Datasheet: Only available via NDA from ServerWorks
* ATI IXP200, IXP300, IXP400, SB600, SB700 and SB800 southbridges
Datasheet: Not publicly available
- * AMD Hudson-2
+ * AMD Hudson-2, CZ
Datasheet: Not publicly available
* Standard Microsystems (SMSC) SLC90E66 (Victory66) southbridge
Datasheet: Publicly available at the SMSC website http://www.smsc.com
edd= [EDD]
Format: {"off" | "on" | "skip[mbr]"}
+ efi_no_storage_paranoia [EFI; X86]
+ Using this parameter you can use more than 50% of
+ your efi variable storage. Use this parameter only if
+ you are really sure that your UEFI does sane gc and
+ fulfills the spec otherwise your board may brick.
+
eisa_irq_edge= [PARISC,HW]
See header of drivers/parisc/eisa.c.
F: drivers/net/ethernet/realtek/r8169.c
8250/16?50 (AND CLONE UARTS) SERIAL DRIVER
-M: Greg Kroah-Hartman <gregkh@suse.de>
+M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
L: linux-serial@vger.kernel.org
W: http://serial.sourceforge.net
S: Maintained
CHAR and MISC DRIVERS
M: Arnd Bergmann <arnd@arndb.de>
-M: Greg Kroah-Hartman <greg@kroah.com>
+M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
-S: Maintained
+S: Supported
F: drivers/char/*
F: drivers/misc/*
F: Documentation/blockdev/drbd/
DRIVER CORE, KOBJECTS, DEBUGFS AND SYSFS
-M: Greg Kroah-Hartman <gregkh@suse.de>
+M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6.git
S: Supported
F: Documentation/kobject.txt
F: arch/alpha/kernel/srm_env.c
STABLE BRANCH
-M: Greg Kroah-Hartman <greg@kroah.com>
+M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
L: stable@vger.kernel.org
-S: Maintained
+S: Supported
+F: Documentation/stable_kernel_rules.txt
STAGING SUBSYSTEM
-M: Greg Kroah-Hartman <gregkh@suse.de>
+M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git
L: devel@driverdev.osuosl.org
-S: Maintained
+S: Supported
F: drivers/staging/
STAGING - AGERE HERMES II and II.5 WIRELESS DRIVERS
K: ^Subject:.*(?i)trivial
TTY LAYER
-M: Greg Kroah-Hartman <gregkh@suse.de>
-S: Maintained
+M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6.git
F: drivers/tty/*
F: drivers/tty/serial/serial_core.c
F: drivers/usb/serial/digi_acceleport.c
USB SERIAL DRIVER
-M: Greg Kroah-Hartman <gregkh@suse.de>
+M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
L: linux-usb@vger.kernel.org
S: Supported
F: Documentation/usb/usb-serial.txt
F: drivers/usb/serial/empeg.c
USB SERIAL KEYSPAN DRIVER
-M: Greg Kroah-Hartman <greg@kroah.com>
+M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
L: linux-usb@vger.kernel.org
-W: http://www.kroah.com/linux/
S: Maintained
F: drivers/usb/serial/*keyspan*
F: drivers/media/video/sn9c102/
USB SUBSYSTEM
-M: Greg Kroah-Hartman <gregkh@suse.de>
+M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
L: linux-usb@vger.kernel.org
W: http://www.linux-usb.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6.git
USERSPACE I/O (UIO)
M: "Hans J. Koch" <hjk@hansjkoch.de>
-M: Greg Kroah-Hartman <gregkh@suse.de>
+M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
S: Maintained
F: Documentation/DocBook/uio-howto.tmpl
F: drivers/uio/
VERSION = 3
PATCHLEVEL = 2
-SUBLEVEL = 45
+SUBLEVEL = 52
EXTRAVERSION =
NAME = Saber-toothed Squirrel
LDFLAGS_vmlinux := -static -N #-relax
CHECKFLAGS += -D__alpha__ -m64
-cflags-y := -pipe -mno-fp-regs -ffixed-8 -msmall-data
+cflags-y := -pipe -mno-fp-regs -ffixed-8
cflags-y += $(call cc-option, -fno-jump-tables)
cpuflags-$(CONFIG_ALPHA_EV4) := -mcpu=ev4
config ARM
bool
default y
- select HAVE_AOUT
select HAVE_DMA_API_DEBUG
select HAVE_IDE if PCI || ISA || PCMCIA
select HAVE_DMA_ATTRS
endif
ccflags-y := -fpic -fno-builtin -I$(obj)
-asflags-y := -Wa,-march=all
# Supply kernel BSS size to the decompressor via a linker symbol.
KBSS_SZ = $(shell size $(obj)/../../../../vmlinux | awk 'END{print $$3}')
#include <asm/mach-types.h>
.section ".start", "ax"
+ .arch armv4
__SA1100_start:
.section ".start", "ax"
+ .arch armv4
b __beginning
__ofw_data: .long 0 @ the number of memory blocks
*/
#include <linux/linkage.h>
+ .arch armv7-a
/*
* Debugging stuff
*
# CONFIG_MMC_BLOCK_BOUNCE is not set
CONFIG_SDIO_UART=m
CONFIG_MMC_ATMELMCI=y
-CONFIG_MMC_ATMELMCI_DMA=y
CONFIG_LEDS_ATMEL_PWM=y
CONFIG_LEDS_GPIO=y
CONFIG_LEDS_TRIGGER_TIMER=y
+++ /dev/null
-/* a.out coredump register dumper
- *
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-
-#ifndef _ASM_A_OUT_CORE_H
-#define _ASM_A_OUT_CORE_H
-
-#ifdef __KERNEL__
-
-#include <linux/user.h>
-#include <linux/elfcore.h>
-
-/*
- * fill in the user structure for an a.out core dump
- */
-static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump)
-{
- struct task_struct *tsk = current;
-
- dump->magic = CMAGIC;
- dump->start_code = tsk->mm->start_code;
- dump->start_stack = regs->ARM_sp & ~(PAGE_SIZE - 1);
-
- dump->u_tsize = (tsk->mm->end_code - tsk->mm->start_code) >> PAGE_SHIFT;
- dump->u_dsize = (tsk->mm->brk - tsk->mm->start_data + PAGE_SIZE - 1) >> PAGE_SHIFT;
- dump->u_ssize = 0;
-
- memset(dump->u_debugreg, 0, sizeof(dump->u_debugreg));
-
- if (dump->start_stack < 0x04000000)
- dump->u_ssize = (0x04000000 - dump->start_stack) >> PAGE_SHIFT;
-
- dump->regs = *regs;
- dump->u_fpvalid = dump_fpu (regs, &dump->u_fp);
-}
-
-#endif /* __KERNEL__ */
-#endif /* _ASM_A_OUT_CORE_H */
+++ /dev/null
-#ifndef __ARM_A_OUT_H__
-#define __ARM_A_OUT_H__
-
-#include <linux/personality.h>
-#include <linux/types.h>
-
-struct exec
-{
- __u32 a_info; /* Use macros N_MAGIC, etc for access */
- __u32 a_text; /* length of text, in bytes */
- __u32 a_data; /* length of data, in bytes */
- __u32 a_bss; /* length of uninitialized data area for file, in bytes */
- __u32 a_syms; /* length of symbol table data in file, in bytes */
- __u32 a_entry; /* start address */
- __u32 a_trsize; /* length of relocation info for text, in bytes */
- __u32 a_drsize; /* length of relocation info for data, in bytes */
-};
-
-/*
- * This is always the same
- */
-#define N_TXTADDR(a) (0x00008000)
-
-#define N_TRSIZE(a) ((a).a_trsize)
-#define N_DRSIZE(a) ((a).a_drsize)
-#define N_SYMSIZE(a) ((a).a_syms)
-
-#define M_ARM 103
-
-#ifndef LIBRARY_START_TEXT
-#define LIBRARY_START_TEXT (0x00c00000)
-#endif
-
-#endif /* __A_OUT_GNU_H__ */
}
#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
-static inline void flush_kernel_dcache_page(struct page *page)
-{
-}
+extern void flush_kernel_dcache_page(struct page *);
#define flush_dcache_mmap_lock(mapping) \
spin_lock_irq(&(mapping)->tree_lock)
#define start_thread(regs,pc,sp) \
({ \
- unsigned long *stack = (unsigned long *)sp; \
set_fs(USER_DS); \
memset(regs->uregs, 0, sizeof(regs->uregs)); \
if (current->personality & ADDR_LIMIT_32BIT) \
regs->ARM_cpsr |= PSR_ENDSTATE; \
regs->ARM_pc = pc & ~1; /* pc */ \
regs->ARM_sp = sp; /* sp */ \
- regs->ARM_r2 = stack[2]; /* r2 (envp) */ \
- regs->ARM_r1 = stack[1]; /* r1 (argv) */ \
- regs->ARM_r0 = stack[0]; /* r0 (argc) */ \
nommu_start_thread(regs); \
})
static int
armpmu_map_event(const unsigned (*event_map)[PERF_COUNT_HW_MAX], u64 config)
{
- int mapping = (*event_map)[config];
+ int mapping;
+
+ if (config >= PERF_COUNT_HW_MAX)
+ return -ENOENT;
+
+ mapping = (*event_map)[config];
return mapping == HW_OP_UNSUPPORTED ? -ENOENT : mapping;
}
struct hw_perf_event fake_event = event->hw;
struct pmu *leader_pmu = event->group_leader->pmu;
+ if (is_software_event(event))
+ return 1;
+
if (event->pmu != leader_pmu || event->state < PERF_EVENT_STATE_OFF)
return 1;
#include <linux/cpu.h>
#include <linux/cpumask.h>
+#include <linux/export.h>
#include <linux/init.h>
#include <linux/percpu.h>
#include <linux/node.h>
#define MPIDR_LEVEL2_SHIFT 16
struct cputopo_arm cpu_topology[NR_CPUS];
+EXPORT_SYMBOL_GPL(cpu_topology);
const struct cpumask *cpu_coregroup_mask(int cpu)
{
static int __init ts219_pci_init(void)
{
if (machine_is_ts219())
- kirkwood_pcie_init(KW_PCIE0);
+ kirkwood_pcie_init(KW_PCIE1 | KW_PCIE0);
return 0;
}
#define PCI_IMAP0 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x0)
#define PCI_IMAP1 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x4)
#define PCI_IMAP2 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x8)
-#define PCI_SMAP0 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x10)
-#define PCI_SMAP1 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x14)
-#define PCI_SMAP2 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x18)
+#define PCI_SMAP0 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x14)
+#define PCI_SMAP1 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x18)
+#define PCI_SMAP2 __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x1c)
#define PCI_SELFID __IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0xc)
#define DEVICE_ID_OFFSET 0x00
}
EXPORT_SYMBOL(flush_dcache_page);
+/*
+ * Ensure cache coherency for the kernel mapping of this page. We can
+ * assume that the page is pinned via kmap.
+ *
+ * If the page only exists in the page cache and there are no user
+ * space mappings, this is a no-op since the page was already marked
+ * dirty at creation. Otherwise, we need to flush the dirty kernel
+ * cache lines directly.
+ */
+void flush_kernel_dcache_page(struct page *page)
+{
+ if (cache_is_vivt() || cache_is_vipt_aliasing()) {
+ struct address_space *mapping;
+
+ mapping = page_mapping(page);
+
+ if (!mapping || mapping_mapped(mapping)) {
+ void *addr;
+
+ addr = page_address(page);
+ /*
+ * kmap_atomic() doesn't set the page virtual
+ * address for highmem pages, and
+ * kunmap_atomic() takes care of cache
+ * flushing already.
+ */
+ if (!IS_ENABLED(CONFIG_HIGHMEM) || addr)
+ __cpuc_flush_dcache_area(addr, PAGE_SIZE);
+ }
+ }
+}
+EXPORT_SYMBOL(flush_kernel_dcache_page);
+
/*
* Flush an anonymous page so that users of get_user_pages()
* can safely access the data. The expected sequence is:
printk("Mem-info:\n");
show_free_areas(filter);
+ if (filter & SHOW_MEM_FILTER_PAGE_COUNT)
+ return;
+
for_each_bank (i, mi) {
struct membank *bank = &mi->bank[i];
unsigned int pfn1, pfn2;
}
EXPORT_SYMBOL(flush_dcache_page);
+void flush_kernel_dcache_page(struct page *page)
+{
+ __cpuc_flush_dcache_area(page_address(page), PAGE_SIZE);
+}
+EXPORT_SYMBOL(flush_kernel_dcache_page);
+
void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
unsigned long uaddr, void *dst, const void *src,
unsigned long len)
static struct platform_device orion_ge10_shared = {
.name = MV643XX_ETH_SHARED_NAME,
- .id = 1,
+ .id = 2,
.dev = {
.platform_data = &orion_ge10_shared_data,
},
static struct platform_device orion_ge10 = {
.name = MV643XX_ETH_NAME,
- .id = 1,
- .num_resources = 2,
+ .id = 2,
+ .num_resources = 1,
.resource = orion_ge10_resources,
.dev = {
.coherent_dma_mask = DMA_BIT_MASK(32),
static struct platform_device orion_ge11_shared = {
.name = MV643XX_ETH_SHARED_NAME,
- .id = 1,
+ .id = 3,
.dev = {
.platform_data = &orion_ge11_shared_data,
},
static struct platform_device orion_ge11 = {
.name = MV643XX_ETH_NAME,
- .id = 1,
- .num_resources = 2,
+ .id = 3,
+ .num_resources = 1,
.resource = orion_ge11_resources,
.dev = {
.coherent_dma_mask = DMA_BIT_MASK(32),
CONFIG_USB_CDC_COMPOSITE=m
CONFIG_MMC=y
CONFIG_MMC_ATMELMCI=y
-CONFIG_MMC_ATMELMCI_DMA=y
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y
CONFIG_LEDS_ATMEL_PWM=m
CONFIG_LOGO=y
CONFIG_MMC=y
CONFIG_MMC_ATMELMCI=y
-CONFIG_MMC_ATMELMCI_DMA=y
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y
CONFIG_LEDS_ATMEL_PWM=y
break;
case R_AVR32_GOT18SW:
if ((relocation & 0xfffe0003) != 0
- && (relocation & 0xfffc0003) != 0xffff0000)
+ && (relocation & 0xfffc0000) != 0xfffc0000)
return reloc_overflow(module, "R_AVR32_GOT18SW",
relocation);
relocation >>= 2;
EXCEPTION_TABLE(4)
+ _sdata = .;
RODATA
. = ALIGN (4);
#include <linux/bootmem.h>
#include <linux/genalloc.h>
#include <asm/dma-mapping.h>
+#include <linux/module.h>
struct dma_map_ops *dma_ops;
EXPORT_SYMBOL(dma_ops);
#include <linux/ptrace.h>
#include <linux/regset.h>
#include <linux/user.h>
+#include <linux/elf.h>
#include <asm/system.h>
#include <asm/user.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
+#include <linux/module.h>
#include <asm/timer-regs.h>
#include <asm/hexagon_vm.h>
#include <linux/err.h>
#include <linux/mm.h>
#include <linux/vmalloc.h>
+#include <linux/binfmts.h>
#include <asm/vdso.h>
printk(KERN_INFO "Mem-info:\n");
show_free_areas(filter);
printk(KERN_INFO "Node memory in pages:\n");
+ if (filter & SHOW_MEM_FILTER_PAGE_COUNT)
+ return;
for_each_online_pgdat(pgdat) {
unsigned long present;
unsigned long flags;
printk(KERN_INFO "Mem-info:\n");
show_free_areas(filter);
+ if (filter & SHOW_MEM_FILTER_PAGE_COUNT)
+ return;
printk(KERN_INFO "Node memory in pages:\n");
for_each_online_pgdat(pgdat) {
unsigned long present;
OBJCOPYFLAGS += -R .empty_zero_page
-suffix_$(CONFIG_KERNEL_GZIP) = gz
-suffix_$(CONFIG_KERNEL_BZIP2) = bz2
-suffix_$(CONFIG_KERNEL_LZMA) = lzma
+suffix-$(CONFIG_KERNEL_GZIP) = gz
+suffix-$(CONFIG_KERNEL_BZIP2) = bz2
+suffix-$(CONFIG_KERNEL_LZMA) = lzma
$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
$(call if_changed,ld)
static unsigned long free_mem_end_ptr;
#ifdef CONFIG_KERNEL_BZIP2
-static void *memset(void *s, int c, size_t n)
+void *memset(void *s, int c, size_t n)
{
char *ss = s;
#endif
#ifdef CONFIG_KERNEL_GZIP
+void *memcpy(void *dest, const void *src, size_t n)
+{
+ char *d = dest;
+ const char *s = src;
+ while (n--)
+ *d++ = *s++;
+
+ return dest;
+}
+
#define BOOT_HEAP_SIZE 0x10000
#include "../../../../lib/decompress_inflate.c"
#endif
#include <asm/machdep.h>
#include <asm/natfeat.h>
+extern long nf_get_id2(const char *feature_name);
+
asm("\n"
-" .global nf_get_id,nf_call\n"
-"nf_get_id:\n"
+" .global nf_get_id2,nf_call\n"
+"nf_get_id2:\n"
" .short 0x7300\n"
" rts\n"
"nf_call:\n"
"1: moveq.l #0,%d0\n"
" rts\n"
" .section __ex_table,\"a\"\n"
-" .long nf_get_id,1b\n"
+" .long nf_get_id2,1b\n"
" .long nf_call,1b\n"
" .previous");
-EXPORT_SYMBOL_GPL(nf_get_id);
EXPORT_SYMBOL_GPL(nf_call);
+long nf_get_id(const char *feature_name)
+{
+ /* feature_name may be in vmalloc()ed memory, so make a copy */
+ char name_copy[32];
+ size_t n;
+
+ n = strlcpy(name_copy, feature_name, sizeof(name_copy));
+ if (n >= sizeof(name_copy))
+ return 0;
+
+ return nf_get_id2(name_copy);
+}
+EXPORT_SYMBOL_GPL(nf_get_id);
+
void nfprint(const char *fmt, ...)
{
static char buf[256];
unsigned long long n64; \
} __n; \
unsigned long __rem, __upper; \
+ unsigned long __base = (base); \
\
__n.n64 = (n); \
if ((__upper = __n.n32[0])) { \
asm ("divul.l %2,%1:%0" \
- : "=d" (__n.n32[0]), "=d" (__upper) \
- : "d" (base), "0" (__n.n32[0])); \
+ : "=d" (__n.n32[0]), "=d" (__upper) \
+ : "d" (__base), "0" (__n.n32[0])); \
} \
asm ("divu.l %2,%1:%0" \
- : "=d" (__n.n32[1]), "=d" (__rem) \
- : "d" (base), "1" (__upper), "0" (__n.n32[1])); \
+ : "=d" (__n.n32[1]), "=d" (__rem) \
+ : "d" (__base), "1" (__upper), "0" (__n.n32[1])); \
(n) = __n.n64; \
__rem; \
})
--- /dev/null
+/*
+ * vmlinux.lds.S -- master linker script for m68knommu arch
+ *
+ * (C) Copyright 2002-2012, Greg Ungerer <gerg@snapgear.com>
+ *
+ * This linker script is equipped to build either ROM loaded or RAM
+ * run kernels.
+ */
+
+#if defined(CONFIG_RAMKERNEL)
+#define KTEXT_ADDR CONFIG_KERNELBASE
+#endif
+#if defined(CONFIG_ROMKERNEL)
+#define KTEXT_ADDR CONFIG_ROMSTART
+#define KDATA_ADDR CONFIG_KERNELBASE
+#define LOAD_OFFSET KDATA_ADDR + (ADDR(.text) + SIZEOF(.text))
+#endif
+
+#include <asm/page.h>
+#include <asm/thread_info.h>
+#include <asm-generic/vmlinux.lds.h>
+
+OUTPUT_ARCH(m68k)
+ENTRY(_start)
+
+jiffies = jiffies_64 + 4;
+
+SECTIONS {
+
+#ifdef CONFIG_ROMVEC
+ . = CONFIG_ROMVEC;
+ .romvec : {
+ __rom_start = .;
+ _romvec = .;
+ *(.romvec)
+ *(.data..initvect)
+ }
+#endif
+
+ . = KTEXT_ADDR;
+
+ _text = .;
+ _stext = .;
+ .text : {
+ HEAD_TEXT
+ TEXT_TEXT
+ SCHED_TEXT
+ LOCK_TEXT
+ *(.fixup)
+ . = ALIGN(16);
+ }
+ _etext = .;
+
+#ifdef KDATA_ADDR
+ . = KDATA_ADDR;
+#endif
+
+ _sdata = .;
+ RO_DATA_SECTION(PAGE_SIZE)
+ RW_DATA_SECTION(16, PAGE_SIZE, THREAD_SIZE)
+ _edata = .;
+
+ EXCEPTION_TABLE(16)
+ NOTES
+
+ . = ALIGN(PAGE_SIZE);
+ __init_begin = .;
+ INIT_TEXT_SECTION(PAGE_SIZE)
+ INIT_DATA_SECTION(16)
+ PERCPU_SECTION(16)
+ .m68k_fixup : {
+ __start_fixup = .;
+ *(.m68k_fixup)
+ __stop_fixup = .;
+ }
+ .init.data : {
+ . = ALIGN(PAGE_SIZE);
+ __init_end = .;
+ }
+
+ _sbss = .;
+ BSS_SECTION(0, 0, 0)
+ _ebss = .;
+
+ _end = .;
+
+ STABS_DEBUG
+ .comment 0 : { *(.comment) }
+
+ /* Sections to be discarded */
+ DISCARDS
+}
+
-#ifdef CONFIG_MMU
-#include "vmlinux.lds_mm.S"
+#if defined(CONFIG_MMU) && !defined(CONFIG_COLDFIRE)
+PHDRS
+{
+ text PT_LOAD FILEHDR PHDRS FLAGS (7);
+ data PT_LOAD FLAGS (7);
+}
+#ifdef CONFIG_SUN3
+#include "vmlinux-sun3.lds"
#else
-#include "vmlinux.lds_no.S"
+#include "vmlinux-std.lds"
+#endif
+#else
+#include "vmlinux-nommu.lds"
#endif
+++ /dev/null
-PHDRS
-{
- text PT_LOAD FILEHDR PHDRS FLAGS (7);
- data PT_LOAD FLAGS (7);
-}
-#ifdef CONFIG_SUN3
-#include "vmlinux-sun3.lds"
-#else
-#include "vmlinux-std.lds"
-#endif
+++ /dev/null
-/*
- * vmlinux.lds.S -- master linker script for m68knommu arch
- *
- * (C) Copyright 2002-2006, Greg Ungerer <gerg@snapgear.com>
- *
- * This linker script is equipped to build either ROM loaded or RAM
- * run kernels.
- */
-
-#include <asm-generic/vmlinux.lds.h>
-#include <asm/page.h>
-#include <asm/thread_info.h>
-
-#if defined(CONFIG_RAMKERNEL)
-#define RAM_START CONFIG_KERNELBASE
-#define RAM_LENGTH (CONFIG_RAMBASE + CONFIG_RAMSIZE - CONFIG_KERNELBASE)
-#define TEXT ram
-#define DATA ram
-#define INIT ram
-#define BSSS ram
-#endif
-#if defined(CONFIG_ROMKERNEL) || defined(CONFIG_HIMEMKERNEL)
-#define RAM_START CONFIG_RAMBASE
-#define RAM_LENGTH CONFIG_RAMSIZE
-#define ROMVEC_START CONFIG_ROMVEC
-#define ROMVEC_LENGTH CONFIG_ROMVECSIZE
-#define ROM_START CONFIG_ROMSTART
-#define ROM_LENGTH CONFIG_ROMSIZE
-#define TEXT rom
-#define DATA ram
-#define INIT ram
-#define BSSS ram
-#endif
-
-#ifndef DATA_ADDR
-#define DATA_ADDR
-#endif
-
-
-OUTPUT_ARCH(m68k)
-ENTRY(_start)
-
-MEMORY {
- ram : ORIGIN = RAM_START, LENGTH = RAM_LENGTH
-#ifdef ROM_START
- romvec : ORIGIN = ROMVEC_START, LENGTH = ROMVEC_LENGTH
- rom : ORIGIN = ROM_START, LENGTH = ROM_LENGTH
-#endif
-}
-
-jiffies = jiffies_64 + 4;
-
-SECTIONS {
-
-#ifdef ROMVEC_START
- . = ROMVEC_START ;
- .romvec : {
- __rom_start = . ;
- _romvec = .;
- *(.data..initvect)
- } > romvec
-#endif
-
- .text : {
- _text = .;
- _stext = . ;
- HEAD_TEXT
- TEXT_TEXT
- SCHED_TEXT
- LOCK_TEXT
- *(.text..lock)
-
- . = ALIGN(16); /* Exception table */
- __start___ex_table = .;
- *(__ex_table)
- __stop___ex_table = .;
-
- *(.rodata) *(.rodata.*)
- *(__vermagic) /* Kernel version magic */
- *(.rodata1)
- *(.rodata.str1.1)
-
- /* Kernel symbol table: Normal symbols */
- . = ALIGN(4);
- __start___ksymtab = .;
- *(SORT(___ksymtab+*))
- __stop___ksymtab = .;
-
- /* Kernel symbol table: GPL-only symbols */
- __start___ksymtab_gpl = .;
- *(SORT(___ksymtab_gpl+*))
- __stop___ksymtab_gpl = .;
-
- /* Kernel symbol table: Normal unused symbols */
- __start___ksymtab_unused = .;
- *(SORT(___ksymtab_unused+*))
- __stop___ksymtab_unused = .;
-
- /* Kernel symbol table: GPL-only unused symbols */
- __start___ksymtab_unused_gpl = .;
- *(SORT(___ksymtab_unused_gpl+*))
- __stop___ksymtab_unused_gpl = .;
-
- /* Kernel symbol table: GPL-future symbols */
- __start___ksymtab_gpl_future = .;
- *(SORT(___ksymtab_gpl_future+*))
- __stop___ksymtab_gpl_future = .;
-
- /* Kernel symbol table: Normal symbols */
- __start___kcrctab = .;
- *(SORT(___kcrctab+*))
- __stop___kcrctab = .;
-
- /* Kernel symbol table: GPL-only symbols */
- __start___kcrctab_gpl = .;
- *(SORT(___kcrctab_gpl+*))
- __stop___kcrctab_gpl = .;
-
- /* Kernel symbol table: Normal unused symbols */
- __start___kcrctab_unused = .;
- *(SORT(___kcrctab_unused+*))
- __stop___kcrctab_unused = .;
-
- /* Kernel symbol table: GPL-only unused symbols */
- __start___kcrctab_unused_gpl = .;
- *(SORT(___kcrctab_unused_gpl+*))
- __stop___kcrctab_unused_gpl = .;
-
- /* Kernel symbol table: GPL-future symbols */
- __start___kcrctab_gpl_future = .;
- *(SORT(___kcrctab_gpl_future+*))
- __stop___kcrctab_gpl_future = .;
-
- /* Kernel symbol table: strings */
- *(__ksymtab_strings)
-
- /* Built-in module parameters */
- . = ALIGN(4) ;
- __start___param = .;
- *(__param)
- __stop___param = .;
-
- /* Built-in module versions */
- . = ALIGN(4) ;
- __start___modver = .;
- *(__modver)
- __stop___modver = .;
-
- . = ALIGN(4) ;
- _etext = . ;
- } > TEXT
-
- .data DATA_ADDR : {
- . = ALIGN(4);
- _sdata = . ;
- DATA_DATA
- CACHELINE_ALIGNED_DATA(32)
- PAGE_ALIGNED_DATA(PAGE_SIZE)
- *(.data..shared_aligned)
- INIT_TASK_DATA(THREAD_SIZE)
- _edata = . ;
- } > DATA
-
- .init.text : {
- . = ALIGN(PAGE_SIZE);
- __init_begin = .;
- } > INIT
- INIT_TEXT_SECTION(PAGE_SIZE) > INIT
- INIT_DATA_SECTION(16) > INIT
- .init.data : {
- . = ALIGN(PAGE_SIZE);
- __init_end = .;
- } > INIT
-
- .bss : {
- . = ALIGN(4);
- _sbss = . ;
- *(.bss)
- *(COMMON)
- . = ALIGN(4) ;
- _ebss = . ;
- _end = . ;
- } > BSSS
-
- DISCARDS
-}
-
CONFIG_EXPERIMENTAL=y
CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_FHANDLE=y
+CONFIG_AUDIT=y
+CONFIG_AUDIT_LOGINUID_IMMUTABLE=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
+CONFIG_SYSFS_DEPRECATED=y
CONFIG_SYSFS_DEPRECATED_V2=y
-CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE="rootfs.cpio"
-CONFIG_INITRAMFS_COMPRESSION_GZIP=y
-# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-CONFIG_EXPERT=y
CONFIG_KALLSYMS_ALL=y
-CONFIG_KALLSYMS_EXTRA_PASS=y
-# CONFIG_HOTPLUG is not set
# CONFIG_BASE_FULL is not set
-# CONFIG_FUTEX is not set
-# CONFIG_EPOLL is not set
-# CONFIG_SIGNALFD is not set
-# CONFIG_SHMEM is not set
+CONFIG_EMBEDDED=y
CONFIG_SLAB=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_BLK_DEV_BSG is not set
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_EFI_PARTITION is not set
CONFIG_OPT_LIB_ASM=y
CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR=1
CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR=1
CONFIG_INET=y
# CONFIG_INET_LRO is not set
# CONFIG_IPV6 is not set
+CONFIG_MTD=y
CONFIG_PROC_DEVICETREE=y
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=8192
CONFIG_NETDEVICES=y
-CONFIG_NET_ETHERNET=y
CONFIG_XILINX_EMACLITE=y
+CONFIG_XILINX_LL_TEMAC=y
# CONFIG_INPUT is not set
# CONFIG_SERIO is not set
# CONFIG_VT is not set
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_UARTLITE=y
CONFIG_SERIAL_UARTLITE_CONSOLE=y
# CONFIG_HW_RANDOM is not set
+CONFIG_XILINX_HWICAP=y
+CONFIG_I2C=y
+CONFIG_I2C_XILINX=y
+CONFIG_SPI=y
+CONFIG_SPI_XILINX=y
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_SYSFS=y
+CONFIG_GPIO_XILINX=y
# CONFIG_HWMON is not set
+CONFIG_WATCHDOG=y
+CONFIG_XILINX_WATCHDOG=y
+CONFIG_FB=y
+CONFIG_FB_XILINX=y
# CONFIG_USB_SUPPORT is not set
+CONFIG_UIO=y
+CONFIG_UIO_PDRV=y
+CONFIG_UIO_PDRV_GENIRQ=y
+CONFIG_UIO_DMEM_GENIRQ=y
CONFIG_EXT2_FS=y
# CONFIG_DNOTIFY is not set
+CONFIG_CRAMFS=y
+CONFIG_ROMFS_FS=y
CONFIG_NFS_FS=y
-CONFIG_NFS_V3=y
CONFIG_CIFS=y
CONFIG_CIFS_STATS=y
CONFIG_CIFS_STATS2=y
-CONFIG_PARTITION_ADVANCED=y
-CONFIG_DEBUG_KERNEL=y
CONFIG_DETECT_HUNG_TASK=y
CONFIG_DEBUG_SLAB=y
CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_INFO=y
-# CONFIG_RCU_CPU_STALL_DETECTOR is not set
CONFIG_EARLY_PRINTK=y
+CONFIG_KEYS=y
+CONFIG_ENCRYPTED_KEYS=y
+CONFIG_KEYS_DEBUG_PROC_KEYS=y
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_EXPERIMENTAL=y
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
+CONFIG_FHANDLE=y
+CONFIG_AUDIT=y
+CONFIG_AUDIT_LOGINUID_IMMUTABLE=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_BSD_PROCESS_ACCT_V3=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
+CONFIG_SYSFS_DEPRECATED=y
CONFIG_SYSFS_DEPRECATED_V2=y
-CONFIG_EXPERT=y
CONFIG_KALLSYMS_ALL=y
-CONFIG_KALLSYMS_EXTRA_PASS=y
-# CONFIG_HOTPLUG is not set
# CONFIG_BASE_FULL is not set
+CONFIG_EMBEDDED=y
CONFIG_SLAB=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_BLK_DEV_BSG is not set
-# CONFIG_OPT_LIB_FUNCTION is not set
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_EFI_PARTITION is not set
CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR=1
CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR=1
CONFIG_XILINX_MICROBLAZE0_USE_BARREL=1
CONFIG_XILINX_MICROBLAZE0_USE_DIV=1
CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL=2
CONFIG_XILINX_MICROBLAZE0_USE_FPU=2
-CONFIG_HIGH_RES_TIMERS=y
CONFIG_HZ_100=y
CONFIG_CMDLINE_BOOL=y
-CONFIG_BINFMT_FLAT=y
+CONFIG_CMDLINE_FORCE=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
# CONFIG_INET_LRO is not set
# CONFIG_IPV6 is not set
-# CONFIG_PREVENT_FIRMWARE_BUILD is not set
CONFIG_MTD=y
-CONFIG_MTD_CONCAT=y
-CONFIG_MTD_PARTITIONS=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_CHAR=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_RAM=y
CONFIG_MTD_UCLINUX=y
CONFIG_PROC_DEVICETREE=y
-CONFIG_BLK_DEV_NBD=y
CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_SIZE=8192
CONFIG_NETDEVICES=y
-CONFIG_NET_ETHERNET=y
+CONFIG_XILINX_EMACLITE=y
+CONFIG_XILINX_LL_TEMAC=y
# CONFIG_INPUT is not set
# CONFIG_SERIO is not set
# CONFIG_VT is not set
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_UARTLITE=y
CONFIG_SERIAL_UARTLITE_CONSOLE=y
-CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM is not set
+CONFIG_XILINX_HWICAP=y
+CONFIG_I2C=y
+CONFIG_I2C_XILINX=y
+CONFIG_SPI=y
+CONFIG_SPI_XILINX=y
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_SYSFS=y
+CONFIG_GPIO_XILINX=y
# CONFIG_HWMON is not set
-CONFIG_VIDEO_OUTPUT_CONTROL=y
+CONFIG_WATCHDOG=y
+CONFIG_XILINX_WATCHDOG=y
+CONFIG_FB=y
+CONFIG_FB_XILINX=y
+# CONFIG_USB_SUPPORT is not set
+CONFIG_UIO=y
+CONFIG_UIO_PDRV=y
+CONFIG_UIO_PDRV_GENIRQ=y
+CONFIG_UIO_DMEM_GENIRQ=y
CONFIG_EXT2_FS=y
# CONFIG_DNOTIFY is not set
CONFIG_CRAMFS=y
CONFIG_ROMFS_FS=y
CONFIG_NFS_FS=y
-CONFIG_NFS_V3=y
CONFIG_NFS_V3_ACL=y
-CONFIG_UNUSED_SYMBOLS=y
-CONFIG_DEBUG_FS=y
-CONFIG_DEBUG_KERNEL=y
-CONFIG_DEBUG_SHIRQ=y
+CONFIG_NLS=y
CONFIG_DETECT_HUNG_TASK=y
-CONFIG_SCHEDSTATS=y
-CONFIG_TIMER_STATS=y
-CONFIG_DEBUG_OBJECTS=y
-CONFIG_DEBUG_OBJECTS_SELFTEST=y
-CONFIG_DEBUG_OBJECTS_FREE=y
-CONFIG_DEBUG_OBJECTS_TIMERS=y
+CONFIG_DEBUG_SLAB=y
+CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_INFO=y
-CONFIG_DEBUG_LIST=y
-CONFIG_DEBUG_SG=y
-# CONFIG_RCU_CPU_STALL_DETECTOR is not set
-CONFIG_SYSCTL_SYSCALL_CHECK=y
CONFIG_EARLY_PRINTK=y
+CONFIG_KEYS=y
+CONFIG_ENCRYPTED_KEYS=y
+CONFIG_KEYS_DEBUG_PROC_KEYS=y
+CONFIG_CRYPTO_ECB=y
+CONFIG_CRYPTO_MD4=y
+CONFIG_CRYPTO_MD5=y
+CONFIG_CRYPTO_ARC4=y
+CONFIG_CRYPTO_DES=y
# CONFIG_CRYPTO_ANSI_CPRNG is not set
-# CONFIG_CRC32 is not set
.word 1b,4b,2b,4b; \
.previous;" \
: "=&r" (oldval), "=&r" (ret) \
- : "b" (uaddr), "i" (-EFAULT), "r" (oparg) \
+ : "r" (uaddr), "i" (-EFAULT), "r" (oparg) \
); \
})
printk(KERN_INFO "Mem-info:\n");
show_free_areas(filter);
+ if (filter & SHOW_MEM_FILTER_PAGE_COUNT)
+ return;
#ifndef CONFIG_DISCONTIGMEM
i = max_mapnr;
while (i-- > 0) {
must live at a different physical address than the primary
kernel.
+# This value must have zeroes in the bottom 60 bits otherwise lots will break
config PAGE_OFFSET
hex
default "0xc000000000000000"
void sort_ex_table(struct exception_table_entry *start,
struct exception_table_entry *finish);
-#ifdef CONFIG_MODVERSIONS
+#if defined(CONFIG_MODVERSIONS) && defined(CONFIG_PPC64)
#define ARCH_RELOCATES_KCRCTAB
-
-extern const unsigned long reloc_start[];
+#define reloc_start PHYSICAL_START
#endif
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_MODULE_H */
#define __va(x) ((void *)(unsigned long)((phys_addr_t)(x) - PHYSICAL_START + KERNELBASE))
#define __pa(x) ((unsigned long)(x) + PHYSICAL_START - KERNELBASE)
#else
+#ifdef CONFIG_PPC64
+/*
+ * gcc miscompiles (unsigned long)(&static_var) - PAGE_OFFSET
+ * with -mcmodel=medium, so we use & and | instead of - and + on 64-bit.
+ */
+#define __va(x) ((void *)(unsigned long)((phys_addr_t)(x) | PAGE_OFFSET))
+#define __pa(x) ((unsigned long)(x) & 0x0fffffffffffffffUL)
+
+#else /* 32-bit, non book E */
#define __va(x) ((void *)(unsigned long)((phys_addr_t)(x) + PAGE_OFFSET - MEMORY_START))
#define __pa(x) ((unsigned long)(x) - PAGE_OFFSET + MEMORY_START)
#endif
+#endif
/*
* Unfortunately the PLT is in the BSS in the PPC32 ELF ABI,
extern void rtas_initialize(void);
extern int rtas_suspend_cpu(struct rtas_suspend_me_data *data);
extern int rtas_suspend_last_cpu(struct rtas_suspend_me_data *data);
+extern int rtas_online_cpus_mask(cpumask_var_t cpus);
+extern int rtas_offline_cpus_mask(cpumask_var_t cpus);
extern int rtas_ibm_suspend_me(struct rtas_args *);
struct rtc_time;
nb = aligninfo[instr].len;
flags = aligninfo[instr].flags;
+ /* ldbrx/stdbrx overlap lfs/stfs in the DSISR unfortunately */
+ if (IS_XFORM(instruction) && ((instruction >> 1) & 0x3ff) == 532) {
+ nb = 8;
+ flags = LD+SW;
+ } else if (IS_XFORM(instruction) &&
+ ((instruction >> 1) & 0x3ff) == 660) {
+ nb = 8;
+ flags = ST+SW;
+ }
+
/* Byteswap little endian loads and stores */
swiz = 0;
if (regs->msr & MSR_LE) {
STD_EXCEPTION_COMMON(0xb00, trap_0b, .unknown_exception)
STD_EXCEPTION_COMMON(0xd00, single_step, .single_step_exception)
STD_EXCEPTION_COMMON(0xe00, trap_0e, .unknown_exception)
- STD_EXCEPTION_COMMON(0xe40, emulation_assist, .program_check_exception)
+ STD_EXCEPTION_COMMON(0xe40, emulation_assist, .emulation_assist_interrupt)
STD_EXCEPTION_COMMON(0xe60, hmi_exception, .unknown_exception)
STD_EXCEPTION_COMMON_IDLE(0xf00, performance_monitor, .performance_monitor_exception)
STD_EXCEPTION_COMMON(0x1300, instruction_breakpoint, .instruction_breakpoint_exception)
/* number of bytes needed for the bitmap */
sz = (tbl->it_size + 7) >> 3;
- page = alloc_pages_node(nid, GFP_ATOMIC, get_order(sz));
+ page = alloc_pages_node(nid, GFP_KERNEL, get_order(sz));
if (!page)
panic("iommu_init_table: Can't allocate %ld bytes\n", sz);
tbl->it_map = page_address(page);
#include <asm/vdso_datapage.h>
#include <asm/vio.h>
#include <asm/mmu.h>
+#include <asm/machdep.h>
+
+/*
+ * This isn't a module but we expose that to userspace
+ * via /proc so leave the definitions here
+ */
#define MODULE_VERS "1.9"
#define MODULE_NAME "lparcfg"
__pa(rtas_data_buf),
RTAS_DATA_BUF_SIZE);
memcpy(local_buffer, rtas_data_buf, SPLPAR_MAXLENGTH);
+ local_buffer[SPLPAR_MAXLENGTH - 1] = '\0';
spin_unlock(&rtas_data_buf_lock);
if (call_status != 0) {
{
unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
- if (plpar_hcall(H_GET_EM_PARMS, retbuf) == H_SUCCESS)
+ if (firmware_has_feature(FW_FEATURE_LPAR) &&
+ plpar_hcall(H_GET_EM_PARMS, retbuf) == H_SUCCESS)
seq_printf(m, "power_mode_data=%016lx\n", retbuf[0]);
}
}
static const struct file_operations lparcfg_fops = {
- .owner = THIS_MODULE,
.read = seq_read,
.write = lparcfg_write,
.open = lparcfg_open,
proc_ppc64_lparcfg = ent;
return 0;
}
-
-static void __exit lparcfg_cleanup(void)
-{
- if (proc_ppc64_lparcfg)
- remove_proc_entry("lparcfg", proc_ppc64_lparcfg->parent);
-}
-
-module_init(lparcfg_init);
-module_exit(lparcfg_cleanup);
-MODULE_DESCRIPTION("Interface for LPAR configuration data");
-MODULE_AUTHOR("Dave Engebretsen");
-MODULE_LICENSE("GPL");
+machine_device_initcall(pseries, lparcfg_init);
#include <linux/init.h>
#include <linux/capability.h>
#include <linux/delay.h>
+#include <linux/cpu.h>
#include <linux/smp.h>
#include <linux/completion.h>
#include <linux/cpumask.h>
int cpu;
slb_set_size(SLB_MIN_SIZE);
- stop_topology_update();
printk(KERN_DEBUG "calling ibm,suspend-me on cpu %i\n", smp_processor_id());
while (rc == H_MULTI_THREADS_ACTIVE && !atomic_read(&data->done) &&
rc = atomic_read(&data->error);
atomic_set(&data->error, rc);
- start_topology_update();
pSeries_coalesce_init();
if (wake_when_done) {
__rtas_suspend_cpu((struct rtas_suspend_me_data *)info, 1);
}
+enum rtas_cpu_state {
+ DOWN,
+ UP,
+};
+
+#ifndef CONFIG_SMP
+static int rtas_cpu_state_change_mask(enum rtas_cpu_state state,
+ cpumask_var_t cpus)
+{
+ if (!cpumask_empty(cpus)) {
+ cpumask_clear(cpus);
+ return -EINVAL;
+ } else
+ return 0;
+}
+#else
+/* On return cpumask will be altered to indicate CPUs changed.
+ * CPUs with states changed will be set in the mask,
+ * CPUs with status unchanged will be unset in the mask. */
+static int rtas_cpu_state_change_mask(enum rtas_cpu_state state,
+ cpumask_var_t cpus)
+{
+ int cpu;
+ int cpuret = 0;
+ int ret = 0;
+
+ if (cpumask_empty(cpus))
+ return 0;
+
+ for_each_cpu(cpu, cpus) {
+ switch (state) {
+ case DOWN:
+ cpuret = cpu_down(cpu);
+ break;
+ case UP:
+ cpuret = cpu_up(cpu);
+ break;
+ }
+ if (cpuret) {
+ pr_debug("%s: cpu_%s for cpu#%d returned %d.\n",
+ __func__,
+ ((state == UP) ? "up" : "down"),
+ cpu, cpuret);
+ if (!ret)
+ ret = cpuret;
+ if (state == UP) {
+ /* clear bits for unchanged cpus, return */
+ cpumask_shift_right(cpus, cpus, cpu);
+ cpumask_shift_left(cpus, cpus, cpu);
+ break;
+ } else {
+ /* clear bit for unchanged cpu, continue */
+ cpumask_clear_cpu(cpu, cpus);
+ }
+ }
+ }
+
+ return ret;
+}
+#endif
+
+int rtas_online_cpus_mask(cpumask_var_t cpus)
+{
+ int ret;
+
+ ret = rtas_cpu_state_change_mask(UP, cpus);
+
+ if (ret) {
+ cpumask_var_t tmp_mask;
+
+ if (!alloc_cpumask_var(&tmp_mask, GFP_TEMPORARY))
+ return ret;
+
+ /* Use tmp_mask to preserve cpus mask from first failure */
+ cpumask_copy(tmp_mask, cpus);
+ rtas_offline_cpus_mask(tmp_mask);
+ free_cpumask_var(tmp_mask);
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL(rtas_online_cpus_mask);
+
+int rtas_offline_cpus_mask(cpumask_var_t cpus)
+{
+ return rtas_cpu_state_change_mask(DOWN, cpus);
+}
+EXPORT_SYMBOL(rtas_offline_cpus_mask);
+
int rtas_ibm_suspend_me(struct rtas_args *args)
{
long state;
unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
struct rtas_suspend_me_data data;
DECLARE_COMPLETION_ONSTACK(done);
+ cpumask_var_t offline_mask;
+ int cpuret;
if (!rtas_service_present("ibm,suspend-me"))
return -ENOSYS;
return 0;
}
+ if (!alloc_cpumask_var(&offline_mask, GFP_TEMPORARY))
+ return -ENOMEM;
+
atomic_set(&data.working, 0);
atomic_set(&data.done, 0);
atomic_set(&data.error, 0);
data.token = rtas_token("ibm,suspend-me");
data.complete = &done;
+ /* All present CPUs must be online */
+ cpumask_andnot(offline_mask, cpu_present_mask, cpu_online_mask);
+ cpuret = rtas_online_cpus_mask(offline_mask);
+ if (cpuret) {
+ pr_err("%s: Could not bring present CPUs online.\n", __func__);
+ atomic_set(&data.error, cpuret);
+ goto out;
+ }
+
+ stop_topology_update();
+
/* Call function on all CPUs. One of us will make the
* rtas call
*/
if (atomic_read(&data.error) != 0)
printk(KERN_ERR "Error doing global join\n");
+ start_topology_update();
+
+ /* Take down CPUs not online prior to suspend */
+ cpuret = rtas_offline_cpus_mask(offline_mask);
+ if (cpuret)
+ pr_warn("%s: Could not restore CPUs to offline state.\n",
+ __func__);
+
+out:
+ free_cpumask_var(offline_mask);
return atomic_read(&data.error);
}
#else /* CONFIG_PPC_PSERIES */
#endif
int boot_cpuid = 0;
-int __initdata spinning_secondaries;
+int spinning_secondaries;
u64 ppc64_pft_size;
/* Pick defaults since we might want to patch instructions
#include <asm/machdep.h>
#include <asm/smp.h>
#include <asm/pmc.h>
+#include <asm/firmware.h>
#include "cacheinfo.h"
SYSFS_PMCSETUP(spurr, SPRN_SPURR);
SYSFS_PMCSETUP(dscr, SPRN_DSCR);
+/*
+ Lets only enable read for phyp resources and
+ enable write when needed with a separate function.
+ Lets be conservative and default to pseries.
+*/
static SYSDEV_ATTR(mmcra, 0600, show_mmcra, store_mmcra);
static SYSDEV_ATTR(spurr, 0600, show_spurr, NULL);
static SYSDEV_ATTR(dscr, 0600, show_dscr, store_dscr);
-static SYSDEV_ATTR(purr, 0600, show_purr, store_purr);
+static SYSDEV_ATTR(purr, 0400, show_purr, store_purr);
unsigned long dscr_default = 0;
EXPORT_SYMBOL(dscr_default);
+static void add_write_permission_dev_attr(struct sysdev_attribute *attr)
+{
+ attr->attr.mode |= 0200;
+}
+
static ssize_t show_dscr_default(struct sysdev_class *class,
struct sysdev_class_attribute *attr, char *buf)
{
if (cpu_has_feature(CPU_FTR_MMCRA))
sysdev_create_file(s, &attr_mmcra);
- if (cpu_has_feature(CPU_FTR_PURR))
+ if (cpu_has_feature(CPU_FTR_PURR)) {
+ if (!firmware_has_feature(FW_FEATURE_LPAR))
+ add_write_permission_dev_attr(&attr_purr);
sysdev_create_file(s, &attr_purr);
+ }
if (cpu_has_feature(CPU_FTR_SPURR))
sysdev_create_file(s, &attr_spurr);
_exception(SIGILL, regs, ILL_ILLOPC, regs->nip);
}
+/*
+ * This occurs when running in hypervisor mode on POWER6 or later
+ * and an illegal instruction is encountered.
+ */
+void __kprobes emulation_assist_interrupt(struct pt_regs *regs)
+{
+ regs->msr |= REASON_ILLEGAL;
+ program_check_exception(regs);
+}
+
void alignment_exception(struct pt_regs *regs)
{
int sig, code, fixed = 0;
#endif
SECTIONS
{
- . = 0;
- reloc_start = .;
-
. = KERNELBASE;
/*
blr
- .macro source
+ .macro srcnr
100:
.section __ex_table,"a"
.align 3
- .llong 100b,.Lsrc_error
+ .llong 100b,.Lsrc_error_nr
.previous
.endm
- .macro dest
+ .macro source
+150:
+ .section __ex_table,"a"
+ .align 3
+ .llong 150b,.Lsrc_error
+ .previous
+ .endm
+
+ .macro dstnr
200:
.section __ex_table,"a"
.align 3
- .llong 200b,.Ldest_error
+ .llong 200b,.Ldest_error_nr
+ .previous
+ .endm
+
+ .macro dest
+250:
+ .section __ex_table,"a"
+ .align 3
+ .llong 250b,.Ldest_error
.previous
.endm
rldicl. r6,r3,64-1,64-2 /* r6 = (r3 & 0x3) >> 1 */
beq .Lcopy_aligned
- li r7,4
- sub r6,r7,r6
+ li r9,4
+ sub r6,r9,r6
mtctr r6
1:
-source; lhz r6,0(r3) /* align to doubleword */
+srcnr; lhz r6,0(r3) /* align to doubleword */
subi r5,r5,2
addi r3,r3,2
adde r0,r0,r6
-dest; sth r6,0(r4)
+dstnr; sth r6,0(r4)
addi r4,r4,2
bdnz 1b
mtctr r6
3:
-source; ld r6,0(r3)
+srcnr; ld r6,0(r3)
addi r3,r3,8
adde r0,r0,r6
-dest; std r6,0(r4)
+dstnr; std r6,0(r4)
addi r4,r4,8
bdnz 3b
srdi. r6,r5,2
beq .Lcopy_tail_halfword
-source; lwz r6,0(r3)
+srcnr; lwz r6,0(r3)
addi r3,r3,4
adde r0,r0,r6
-dest; stw r6,0(r4)
+dstnr; stw r6,0(r4)
addi r4,r4,4
subi r5,r5,4
srdi. r6,r5,1
beq .Lcopy_tail_byte
-source; lhz r6,0(r3)
+srcnr; lhz r6,0(r3)
addi r3,r3,2
adde r0,r0,r6
-dest; sth r6,0(r4)
+dstnr; sth r6,0(r4)
addi r4,r4,2
subi r5,r5,2
andi. r6,r5,1
beq .Lcopy_finish
-source; lbz r6,0(r3)
+srcnr; lbz r6,0(r3)
sldi r9,r6,8 /* Pad the byte out to 16 bits */
adde r0,r0,r9
-dest; stb r6,0(r4)
+dstnr; stb r6,0(r4)
.Lcopy_finish:
addze r0,r0 /* add in final carry */
blr
.Lsrc_error:
+ ld r14,STK_REG(r14)(r1)
+ ld r15,STK_REG(r15)(r1)
+ ld r16,STK_REG(r16)(r1)
+ addi r1,r1,STACKFRAMESIZE
+.Lsrc_error_nr:
cmpdi 0,r7,0
beqlr
li r6,-EFAULT
blr
.Ldest_error:
+ ld r14,STK_REG(r14)(r1)
+ ld r15,STK_REG(r15)(r1)
+ ld r16,STK_REG(r16)(r1)
+ addi r1,r1,STACKFRAMESIZE
+.Ldest_error_nr:
cmpdi 0,r8,0
beqlr
li r6,-EFAULT
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+#include <linux/cpu.h>
#include <linux/delay.h>
#include <linux/suspend.h>
#include <linux/stat.h>
#include <asm/machdep.h>
#include <asm/mmu.h>
#include <asm/rtas.h>
+#include <asm/topology.h>
static u64 stream_id;
static struct sys_device suspend_sysdev;
struct sysdev_class_attribute *attr,
const char *buf, size_t count)
{
+ cpumask_var_t offline_mask;
int rc;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
+ if (!alloc_cpumask_var(&offline_mask, GFP_TEMPORARY))
+ return -ENOMEM;
+
stream_id = simple_strtoul(buf, NULL, 16);
do {
ssleep(1);
} while (rc == -EAGAIN);
- if (!rc)
+ if (!rc) {
+ /* All present CPUs must be online */
+ cpumask_andnot(offline_mask, cpu_present_mask,
+ cpu_online_mask);
+ rc = rtas_online_cpus_mask(offline_mask);
+ if (rc) {
+ pr_err("%s: Could not bring present CPUs online.\n",
+ __func__);
+ goto out;
+ }
+
+ stop_topology_update();
rc = pm_suspend(PM_SUSPEND_MEM);
+ start_topology_update();
+
+ /* Take down CPUs not online prior to suspend */
+ if (!rtas_offline_cpus_mask(offline_mask))
+ pr_warn("%s: Could not restore CPUs to offline "
+ "state.\n", __func__);
+ }
stream_id = 0;
if (!rc)
rc = count;
+out:
+ free_cpumask_var(offline_mask);
return rc;
}
static void __vcpu_run(struct kvm_vcpu *vcpu)
{
+ int rc;
+
memcpy(&vcpu->arch.sie_block->gg14, &vcpu->arch.guest_gprs[14], 16);
if (need_resched())
kvm_s390_deliver_pending_interrupts(vcpu);
+ VCPU_EVENT(vcpu, 6, "entering sie flags %x",
+ atomic_read(&vcpu->arch.sie_block->cpuflags));
+
vcpu->arch.sie_block->icptcode = 0;
local_irq_disable();
kvm_guest_enter();
local_irq_enable();
- VCPU_EVENT(vcpu, 6, "entering sie flags %x",
- atomic_read(&vcpu->arch.sie_block->cpuflags));
- if (sie64a(vcpu->arch.sie_block, vcpu->arch.guest_gprs)) {
+ rc = sie64a(vcpu->arch.sie_block, vcpu->arch.guest_gprs);
+ local_irq_disable();
+ kvm_guest_exit();
+ local_irq_enable();
+
+ if (rc) {
VCPU_EVENT(vcpu, 3, "%s", "fault in sie instruction");
kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
}
VCPU_EVENT(vcpu, 6, "exit sie icptcode %d",
vcpu->arch.sie_block->icptcode);
- local_irq_disable();
- kvm_guest_exit();
- local_irq_enable();
memcpy(&vcpu->arch.guest_gprs[14], &vcpu->arch.sie_block->gg14, 16);
}
config SPARC32
def_bool !64BIT
+ select GENERIC_ATOMIC64
config SPARC64
def_bool 64BIT
#ifdef __KERNEL__
+#include <asm-generic/atomic64.h>
+
#include <asm/system.h>
#define ATOMIC_INIT(i) { (i) }
DEFINE(AOFF_task_thread, offsetof(struct task_struct, thread));
BLANK();
DEFINE(AOFF_mm_context, offsetof(struct mm_struct, context));
+ BLANK();
+ DEFINE(VMA_VM_MM, offsetof(struct vm_area_struct, vm_mm));
/* DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28); */
return 0;
nop
call syscall_trace
- nop
+ mov 1, %o1
1:
/* We don't want to muck with user registers like a
*/
kvmap_itlb_4v:
-kvmap_itlb_nonlinear:
/* Catch kernel NULL pointer calls. */
sethi %hi(PAGE_SIZE), %g5
cmp %g4, %g5
- bleu,pn %xcc, kvmap_dtlb_longpath
+ blu,pn %xcc, kvmap_itlb_longpath
nop
KERN_TSB_LOOKUP_TL1(%g4, %g6, %g5, %g1, %g2, %g3, kvmap_itlb_load)
srl %i4, 0, %o4
srl %i1, 0, %o1
srl %i2, 0, %o2
- ba,pt %xcc, 2f
+ ba,pt %xcc, 5f
srl %i3, 0, %o3
linux_syscall_trace:
srl %i1, 0, %o1 ! IEU0 Group
ldx [%g6 + TI_FLAGS], %l0 ! Load
- srl %i5, 0, %o5 ! IEU1
+ srl %i3, 0, %o3 ! IEU0
srl %i2, 0, %o2 ! IEU0 Group
andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %g0
bne,pn %icc, linux_syscall_trace32 ! CTI
mov %i0, %l5 ! IEU1
- call %l7 ! CTI Group brk forced
- srl %i3, 0, %o3 ! IEU0
+5: call %l7 ! CTI Group brk forced
+ srl %i5, 0, %o5 ! IEU1
ba,a,pt %xcc, 3f
/* Linux native system calls enter here... */
clr %l5
sethi %hi(num_kernel_image_mappings), %l6
lduw [%l6 + %lo(num_kernel_image_mappings)], %l6
- add %l6, 1, %l6
mov 15, %l7
BRANCH_IF_ANY_CHEETAH(g1,g5,2f)
clr %l5
sethi %hi(num_kernel_image_mappings), %l6
lduw [%l6 + %lo(num_kernel_image_mappings)], %l6
- add %l6, 1, %l6
1:
mov HV_FAST_MMU_MAP_PERM_ADDR, %o5
lib-$(CONFIG_SPARC64) += mcount.o ipcsum.o xor.o hweight.o ffs.o
obj-y += iomap.o
-obj-$(CONFIG_SPARC32) += atomic32.o
+obj-$(CONFIG_SPARC32) += atomic32.o ucmpdi2.o
obj-y += ksyms.o
obj-$(CONFIG_SPARC64) += PeeCeeI.o
obj-y += usercopy.o
EXPORT_SYMBOL(___copy_in_user);
EXPORT_SYMBOL(__clear_user);
-/* RW semaphores */
-EXPORT_SYMBOL(__down_read);
-EXPORT_SYMBOL(__down_read_trylock);
-EXPORT_SYMBOL(__down_write);
-EXPORT_SYMBOL(__down_write_trylock);
-EXPORT_SYMBOL(__up_read);
-EXPORT_SYMBOL(__up_write);
-EXPORT_SYMBOL(__downgrade_write);
-
/* Atomic counter implementation. */
EXPORT_SYMBOL(atomic_add);
EXPORT_SYMBOL(atomic_add_ret);
--- /dev/null
+#include <linux/module.h>
+#include "libgcc.h"
+
+word_type __ucmpdi2(unsigned long long a, unsigned long long b)
+{
+ const DWunion au = {.ll = a};
+ const DWunion bu = {.ll = b};
+
+ if ((unsigned int) au.s.high < (unsigned int) bu.s.high)
+ return 0;
+ else if ((unsigned int) au.s.high > (unsigned int) bu.s.high)
+ return 2;
+ if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
+ return 0;
+ else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
+ return 2;
+ return 1;
+}
+EXPORT_SYMBOL(__ucmpdi2);
/* The things we do for performance... */
hypersparc_flush_cache_range:
- ld [%o0 + 0x0], %o0 /* XXX vma->vm_mm, GROSS XXX */
+ ld [%o0 + VMA_VM_MM], %o0
#ifndef CONFIG_SMP
ld [%o0 + AOFF_mm_context], %g1
cmp %g1, -1
*/
/* Verified, my ass... */
hypersparc_flush_cache_page:
- ld [%o0 + 0x0], %o0 /* XXX vma->vm_mm, GROSS XXX */
+ ld [%o0 + VMA_VM_MM], %o0
ld [%o0 + AOFF_mm_context], %g2
#ifndef CONFIG_SMP
cmp %g2, -1
sta %g5, [%g1] ASI_M_MMUREGS
hypersparc_flush_tlb_range:
- ld [%o0 + 0x00], %o0 /* XXX vma->vm_mm GROSS XXX */
+ ld [%o0 + VMA_VM_MM], %o0
mov SRMMU_CTX_REG, %g1
ld [%o0 + AOFF_mm_context], %o3
lda [%g1] ASI_M_MMUREGS, %g5
sta %g5, [%g1] ASI_M_MMUREGS
hypersparc_flush_tlb_page:
- ld [%o0 + 0x00], %o0 /* XXX vma->vm_mm GROSS XXX */
+ ld [%o0 + VMA_VM_MM], %o0
mov SRMMU_CTX_REG, %g1
ld [%o0 + AOFF_mm_context], %o3
andn %o1, (PAGE_SIZE - 1), %o1
m->size = *val;
val = mdesc_get_property(md, node,
"address-congruence-offset", NULL);
- m->offset = *val;
+
+ /* The address-congruence-offset property is optional.
+ * Explicity zero it be identifty this.
+ */
+ if (val)
+ m->offset = *val;
+ else
+ m->offset = 0UL;
numadbg("MBLOCK[%d]: base[%llx] size[%llx] offset[%llx]\n",
count - 1, m->base, m->size, m->offset);
.globl swift_flush_cache_range
swift_flush_cache_range:
- ld [%o0 + 0x0], %o0 /* XXX vma->vm_mm, GROSS XXX */
+ ld [%o0 + VMA_VM_MM], %o0
sub %o2, %o1, %o2
sethi %hi(4096), %o3
cmp %o2, %o3
.globl swift_flush_cache_page
swift_flush_cache_page:
- ld [%o0 + 0x0], %o0 /* XXX vma->vm_mm, GROSS XXX */
+ ld [%o0 + VMA_VM_MM], %o0
70:
ld [%o0 + AOFF_mm_context], %g2
cmp %g2, -1
.globl swift_flush_tlb_range
.globl swift_flush_tlb_all
swift_flush_tlb_range:
- ld [%o0 + 0x00], %o0 /* XXX vma->vm_mm GROSS XXX */
+ ld [%o0 + VMA_VM_MM], %o0
swift_flush_tlb_mm:
ld [%o0 + AOFF_mm_context], %g2
cmp %g2, -1
.globl swift_flush_tlb_page
swift_flush_tlb_page:
- ld [%o0 + 0x00], %o0 /* XXX vma->vm_mm GROSS XXX */
+ ld [%o0 + VMA_VM_MM], %o0
mov SRMMU_CTX_REG, %g1
ld [%o0 + AOFF_mm_context], %o3
andn %o1, (PAGE_SIZE - 1), %o1
}
if (!tb->active) {
- global_flush_tlb_page(mm, vaddr);
flush_tsb_user_page(mm, vaddr);
+ global_flush_tlb_page(mm, vaddr);
goto out;
}
/* Sliiick... */
tsunami_flush_cache_page:
tsunami_flush_cache_range:
- ld [%o0 + 0x0], %o0 /* XXX vma->vm_mm, GROSS XXX */
+ ld [%o0 + VMA_VM_MM], %o0
tsunami_flush_cache_mm:
ld [%o0 + AOFF_mm_context], %g2
cmp %g2, -1
/* More slick stuff... */
tsunami_flush_tlb_range:
- ld [%o0 + 0x00], %o0 /* XXX vma->vm_mm GROSS XXX */
+ ld [%o0 + VMA_VM_MM], %o0
tsunami_flush_tlb_mm:
ld [%o0 + AOFF_mm_context], %g2
cmp %g2, -1
/* This one can be done in a fine grained manner... */
tsunami_flush_tlb_page:
- ld [%o0 + 0x00], %o0 /* XXX vma->vm_mm GROSS XXX */
+ ld [%o0 + VMA_VM_MM], %o0
mov SRMMU_CTX_REG, %g1
ld [%o0 + AOFF_mm_context], %o3
andn %o1, (PAGE_SIZE - 1), %o1
viking_flush_cache_page:
viking_flush_cache_range:
#ifndef CONFIG_SMP
- ld [%o0 + 0x0], %o0 /* XXX vma->vm_mm, GROSS XXX */
+ ld [%o0 + VMA_VM_MM], %o0
#endif
viking_flush_cache_mm:
#ifndef CONFIG_SMP
#endif
viking_flush_tlb_range:
- ld [%o0 + 0x00], %o0 /* XXX vma->vm_mm GROSS XXX */
+ ld [%o0 + VMA_VM_MM], %o0
mov SRMMU_CTX_REG, %g1
ld [%o0 + AOFF_mm_context], %o3
lda [%g1] ASI_M_MMUREGS, %g5
#endif
viking_flush_tlb_page:
- ld [%o0 + 0x00], %o0 /* XXX vma->vm_mm GROSS XXX */
+ ld [%o0 + VMA_VM_MM], %o0
mov SRMMU_CTX_REG, %g1
ld [%o0 + AOFF_mm_context], %o3
lda [%g1] ASI_M_MMUREGS, %g5
tst %g5
bne 3f
mov SRMMU_CTX_REG, %g1
- ld [%o0 + 0x00], %o0 /* XXX vma->vm_mm GROSS XXX */
+ ld [%o0 + VMA_VM_MM], %o0
ld [%o0 + AOFF_mm_context], %o3
lda [%g1] ASI_M_MMUREGS, %g5
sethi %hi(~((1 << SRMMU_PGDIR_SHIFT) - 1)), %o4
tst %g5
bne 2f
mov SRMMU_CTX_REG, %g1
- ld [%o0 + 0x00], %o0 /* XXX vma->vm_mm GROSS XXX */
+ ld [%o0 + VMA_VM_MM], %o0
ld [%o0 + AOFF_mm_context], %o3
lda [%g1] ASI_M_MMUREGS, %g5
and %o1, PAGE_MASK, %o1
EXPORT_SYMBOL(__ashrdi3);
uint64_t __ashldi3(uint64_t, unsigned int);
EXPORT_SYMBOL(__ashldi3);
+int __ffsdi2(uint64_t);
+EXPORT_SYMBOL(__ffsdi2);
#endif
#define PAGE_KERNEL __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED)
#define PAGE_KERNEL_EXEC __pgprot(__PAGE_KERNEL_EXEC)
+#define io_remap_pfn_range remap_pfn_range
+
/*
* The i386 can't do page protection for execute, and considers that the same
* are read.
printk(KERN_DEFAULT "Mem-info:\n");
show_free_areas(filter);
+ if (filter & SHOW_MEM_FILTER_PAGE_COUNT)
+ return;
+
for_each_bank(i, mi) {
struct membank *bank = &mi->bank[i];
unsigned int pfn1, pfn2;
config IA32_EMULATION
bool "IA32 Emulation"
depends on X86_64
+ select BINFMT_ELF
select COMPAT_BINFMT_ELF
---help---
Include code to run 32-bit programs under a 64-bit kernel. You should
clts();
if (cpu_has_fxsr) {
memset(&fx_scratch, 0, sizeof(struct i387_fxsave_struct));
- asm volatile("fxsave %0" : : "m" (fx_scratch));
+ asm volatile("fxsave %0" : "+m" (fx_scratch));
mask = fx_scratch.mxcsr_mask;
if (mask == 0)
mask = 0x0000ffbf;
u64 arch_irq_stat(void)
{
u64 sum = atomic_read(&irq_err_count);
-
-#ifdef CONFIG_X86_IO_APIC
- sum += atomic_read(&irq_mis_count);
-#endif
return sum;
}
DMI_MATCH(DMI_PRODUCT_NAME, "Precision M6600"),
},
},
+ { /* Handle problems with rebooting on the Dell PowerEdge C6100. */
+ .callback = set_pci_reboot,
+ .ident = "Dell PowerEdge C6100",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "C6100"),
+ },
+ },
+ { /* Some C6100 machines were shipped with vendor being 'Dell'. */
+ .callback = set_pci_reboot,
+ .ident = "Dell PowerEdge C6100",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "C6100"),
+ },
+ },
{ }
};
xorq %rbp, %rbp
xorq %r8, %r8
xorq %r9, %r9
- xorq %r10, %r9
+ xorq %r10, %r10
xorq %r11, %r11
xorq %r12, %r12
xorq %r13, %r13
*begin = new_begin;
}
} else {
- *begin = TASK_UNMAPPED_BASE;
+ *begin = current->mm->mmap_legacy_base;
*end = TASK_SIZE;
}
}
if (err != EMULATE_DONE)
return 0;
+ if (vcpu->arch.halt_request) {
+ vcpu->arch.halt_request = 0;
+ ret = kvm_emulate_halt(vcpu);
+ goto out;
+ }
+
if (signal_pending(current))
goto out;
if (need_resched())
if (index != XCR_XFEATURE_ENABLED_MASK)
return 1;
xcr0 = xcr;
- if (kvm_x86_ops->get_cpl(vcpu) != 0)
- return 1;
if (!(xcr0 & XSTATE_FP))
return 1;
if ((xcr0 & XSTATE_YMM) && !(xcr0 & XSTATE_SSE))
int kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr)
{
- if (__kvm_set_xcr(vcpu, index, xcr)) {
+ if (kvm_x86_ops->get_cpl(vcpu) != 0 ||
+ __kvm_set_xcr(vcpu, index, xcr)) {
kvm_inject_gp(vcpu, 0);
return 1;
}
*/
void arch_pick_mmap_layout(struct mm_struct *mm)
{
+ mm->mmap_legacy_base = mmap_legacy_base();
+ mm->mmap_base = mmap_base();
+
if (mmap_is_legacy()) {
- mm->mmap_base = mmap_legacy_base();
+ mm->mmap_base = mm->mmap_legacy_base;
mm->get_unmapped_area = arch_get_unmapped_area;
mm->unmap_area = arch_unmap_area;
} else {
- mm->mmap_base = mmap_base();
mm->get_unmapped_area = arch_get_unmapped_area_topdown;
mm->unmap_area = arch_unmap_area_topdown;
}
#define EFI_DEBUG 1
#define PFX "EFI: "
+#define EFI_MIN_RESERVE 5120
+
+#define EFI_DUMMY_GUID \
+ EFI_GUID(0x4424ac57, 0xbe4b, 0x47dd, 0x9e, 0x97, 0xed, 0x50, 0xf0, 0x9f, 0x92, 0xa9)
+
+static efi_char16_t efi_dummy_name[6] = { 'D', 'U', 'M', 'M', 'Y', 0 };
+
struct efi __read_mostly efi = {
.mps = EFI_INVALID_TABLE_ADDR,
.acpi = EFI_INVALID_TABLE_ADDR,
}
early_param("add_efi_memmap", setup_add_efi_memmap);
+static bool efi_no_storage_paranoia;
+
+static int __init setup_storage_paranoia(char *arg)
+{
+ efi_no_storage_paranoia = true;
+ return 0;
+}
+early_param("efi_no_storage_paranoia", setup_storage_paranoia);
+
static efi_status_t virt_efi_get_time(efi_time_t *tm, efi_time_cap_t *tc)
{
for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
md = p;
- if (!(md->attribute & EFI_MEMORY_RUNTIME) &&
- md->type != EFI_BOOT_SERVICES_CODE &&
- md->type != EFI_BOOT_SERVICES_DATA)
- continue;
+ if (!(md->attribute & EFI_MEMORY_RUNTIME)) {
+#ifdef CONFIG_X86_64
+ if (md->type != EFI_BOOT_SERVICES_CODE &&
+ md->type != EFI_BOOT_SERVICES_DATA)
+#endif
+ continue;
+ }
size = md->num_pages << EFI_PAGE_SHIFT;
end = md->phys_addr + size;
early_iounmap(memmap.map, memmap.nr_map * memmap.desc_size);
memmap.map = NULL;
kfree(new_memmap);
+
+ /* clean DUMMY object */
+ efi.set_variable(efi_dummy_name, &EFI_DUMMY_GUID,
+ EFI_VARIABLE_NON_VOLATILE |
+ EFI_VARIABLE_BOOTSERVICE_ACCESS |
+ EFI_VARIABLE_RUNTIME_ACCESS,
+ 0, NULL);
}
/*
}
return 0;
}
+
+/*
+ * Some firmware has serious problems when using more than 50% of the EFI
+ * variable store, i.e. it triggers bugs that can brick machines. Ensure that
+ * we never use more than this safe limit.
+ *
+ * Return EFI_SUCCESS if it is safe to write 'size' bytes to the variable
+ * store.
+ */
+efi_status_t efi_query_variable_store(u32 attributes, unsigned long size)
+{
+ efi_status_t status;
+ u64 storage_size, remaining_size, max_size;
+
+ if (!(attributes & EFI_VARIABLE_NON_VOLATILE))
+ return 0;
+
+ status = efi.query_variable_info(attributes, &storage_size,
+ &remaining_size, &max_size);
+ if (status != EFI_SUCCESS)
+ return status;
+
+ /*
+ * Some firmware implementations refuse to boot if there's insufficient
+ * space in the variable store. We account for that by refusing the
+ * write if permitting it would reduce the available space to under
+ * 5KB. This figure was provided by Samsung, so should be safe.
+ */
+ if ((remaining_size - size < EFI_MIN_RESERVE) &&
+ !efi_no_storage_paranoia) {
+
+ /*
+ * Triggering garbage collection may require that the firmware
+ * generate a real EFI_OUT_OF_RESOURCES error. We can force
+ * that by attempting to use more space than is available.
+ */
+ unsigned long dummy_size = remaining_size + 1024;
+ void *dummy = kzalloc(dummy_size, GFP_ATOMIC);
+
+ if (!dummy)
+ return EFI_OUT_OF_RESOURCES;
+
+ status = efi.set_variable(efi_dummy_name, &EFI_DUMMY_GUID,
+ EFI_VARIABLE_NON_VOLATILE |
+ EFI_VARIABLE_BOOTSERVICE_ACCESS |
+ EFI_VARIABLE_RUNTIME_ACCESS,
+ dummy_size, dummy);
+
+ if (status == EFI_SUCCESS) {
+ /*
+ * This should have failed, so if it didn't make sure
+ * that we delete it...
+ */
+ efi.set_variable(efi_dummy_name, &EFI_DUMMY_GUID,
+ EFI_VARIABLE_NON_VOLATILE |
+ EFI_VARIABLE_BOOTSERVICE_ACCESS |
+ EFI_VARIABLE_RUNTIME_ACCESS,
+ 0, dummy);
+ }
+
+ kfree(dummy);
+
+ /*
+ * The runtime code may now have triggered a garbage collection
+ * run, so check the variable info again
+ */
+ status = efi.query_variable_info(attributes, &storage_size,
+ &remaining_size, &max_size);
+
+ if (status != EFI_SUCCESS)
+ return status;
+
+ /*
+ * There still isn't enough room, so return an error
+ */
+ if (remaining_size - size < EFI_MIN_RESERVE)
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ return EFI_SUCCESS;
+}
+EXPORT_SYMBOL_GPL(efi_query_variable_store);
BUG_ON(HYPERVISOR_shared_info == &xen_dummy_shared_info);
+ /*
+ * This path is called twice on PVHVM - first during bootup via
+ * smp_init -> xen_hvm_cpu_notify, and then if the VCPU is being
+ * hotplugged: cpu_up -> xen_hvm_cpu_notify.
+ * As we can only do the VCPUOP_register_vcpu_info once lets
+ * not over-write its result.
+ *
+ * For PV it is called during restore (xen_vcpu_restore) and bootup
+ * (xen_setup_vcpu_info_placement). The hotplug mechanism does not
+ * use this function.
+ */
+ if (xen_hvm_domain()) {
+ if (per_cpu(xen_vcpu, cpu) == &per_cpu(xen_vcpu_info, cpu))
+ return;
+ }
if (cpu < MAX_VIRT_CPUS)
per_cpu(xen_vcpu,cpu) = &HYPERVISOR_shared_info->vcpu_info[cpu];
e820_add_region(start, end - start, type);
}
+void xen_ignore_unusable(struct e820entry *list, size_t map_size)
+{
+ struct e820entry *entry;
+ unsigned int i;
+
+ for (i = 0, entry = list; i < map_size; i++, entry++) {
+ if (entry->type == E820_UNUSABLE)
+ entry->type = E820_RAM;
+ }
+}
+
/**
* machine_specific_memory_setup - Hook for machine specific memory setup.
**/
}
BUG_ON(rc);
+ /*
+ * Xen won't allow a 1:1 mapping to be created to UNUSABLE
+ * regions, so if we're using the machine memory map leave the
+ * region as RAM as it is in the pseudo-physical map.
+ *
+ * UNUSABLE regions in domUs are not handled and will need
+ * a patch in the future.
+ */
+ if (xen_initial_domain())
+ xen_ignore_unusable(map, memmap.nr_entries);
+
/* Make sure the Xen-supplied memory map is well-ordered. */
sanitize_e820_map(map, memmap.nr_entries, &memmap.nr_entries);
/* snapshots of runstate info */
static DEFINE_PER_CPU(struct vcpu_runstate_info, xen_runstate_snapshot);
-/* unused ns of stolen and blocked time */
+/* unused ns of stolen time */
static DEFINE_PER_CPU(u64, xen_residual_stolen);
-static DEFINE_PER_CPU(u64, xen_residual_blocked);
/* return an consistent snapshot of 64-bit time/counter value */
static u64 get64(const u64 *p)
{
struct vcpu_runstate_info state;
struct vcpu_runstate_info *snap;
- s64 blocked, runnable, offline, stolen;
+ s64 runnable, offline, stolen;
cputime_t ticks;
get_runstate_snapshot(&state);
snap = &__get_cpu_var(xen_runstate_snapshot);
/* work out how much time the VCPU has not been runn*ing* */
- blocked = state.time[RUNSTATE_blocked] - snap->time[RUNSTATE_blocked];
runnable = state.time[RUNSTATE_runnable] - snap->time[RUNSTATE_runnable];
offline = state.time[RUNSTATE_offline] - snap->time[RUNSTATE_offline];
ticks = iter_div_u64_rem(stolen, NS_PER_TICK, &stolen);
__this_cpu_write(xen_residual_stolen, stolen);
account_steal_ticks(ticks);
-
- /* Add the appropriate number of ticks of blocked time,
- including any left-overs from last time. */
- blocked += __this_cpu_read(xen_residual_blocked);
-
- if (blocked < 0)
- blocked = 0;
-
- ticks = iter_div_u64_rem(blocked, NS_PER_TICK, &blocked);
- __this_cpu_write(xen_residual_blocked, blocked);
- account_idle_ticks(ticks);
}
/* Get the TSC speed from Xen */
ddev->parent = disk->driverfs_dev;
- dev_set_name(ddev, disk->disk_name);
+ dev_set_name(ddev, "%s", disk->disk_name);
/* delay uevents, until we scanned partition table */
dev_set_uevent_suppress(ddev, 1);
struct crypto_template *crypto_lookup_template(const char *name)
{
- return try_then_request_module(__crypto_lookup_template(name), name);
+ return try_then_request_module(__crypto_lookup_template(name), "%s",
+ name);
}
EXPORT_SYMBOL_GPL(crypto_lookup_template);
BLOCKING_NOTIFIER_HEAD(crypto_chain);
EXPORT_SYMBOL_GPL(crypto_chain);
+static struct crypto_alg *crypto_larval_wait(struct crypto_alg *alg);
+
static inline struct crypto_alg *crypto_alg_get(struct crypto_alg *alg)
{
atomic_inc(&alg->cra_refcnt);
}
up_write(&crypto_alg_sem);
- if (alg != &larval->alg)
+ if (alg != &larval->alg) {
kfree(larval);
+ if (crypto_is_larval(alg))
+ alg = crypto_larval_wait(alg);
+ }
return alg;
}
#include <linux/ipmi.h>
#include <linux/device.h>
#include <linux/pnp.h>
+#include <linux/spinlock.h>
MODULE_AUTHOR("Zhao Yakui");
MODULE_DESCRIPTION("ACPI IPMI Opregion driver");
struct list_head head;
/* the IPMI request message list */
struct list_head tx_msg_list;
- struct mutex tx_msg_lock;
+ spinlock_t tx_msg_lock;
acpi_handle handle;
struct pnp_dev *pnp_dev;
ipmi_user_t user_interface;
struct kernel_ipmi_msg *msg;
struct acpi_ipmi_buffer *buffer;
struct acpi_ipmi_device *device;
+ unsigned long flags;
msg = &tx_msg->tx_message;
/*
/* Get the msgid */
device = tx_msg->device;
- mutex_lock(&device->tx_msg_lock);
+ spin_lock_irqsave(&device->tx_msg_lock, flags);
device->curr_msgid++;
tx_msg->tx_msgid = device->curr_msgid;
- mutex_unlock(&device->tx_msg_lock);
+ spin_unlock_irqrestore(&device->tx_msg_lock, flags);
}
static void acpi_format_ipmi_response(struct acpi_ipmi_msg *msg,
int msg_found = 0;
struct acpi_ipmi_msg *tx_msg;
struct pnp_dev *pnp_dev = ipmi_device->pnp_dev;
+ unsigned long flags;
if (msg->user != ipmi_device->user_interface) {
dev_warn(&pnp_dev->dev, "Unexpected response is returned. "
ipmi_free_recv_msg(msg);
return;
}
- mutex_lock(&ipmi_device->tx_msg_lock);
+ spin_lock_irqsave(&ipmi_device->tx_msg_lock, flags);
list_for_each_entry(tx_msg, &ipmi_device->tx_msg_list, head) {
if (msg->msgid == tx_msg->tx_msgid) {
msg_found = 1;
}
}
- mutex_unlock(&ipmi_device->tx_msg_lock);
+ spin_unlock_irqrestore(&ipmi_device->tx_msg_lock, flags);
if (!msg_found) {
dev_warn(&pnp_dev->dev, "Unexpected response (msg id %ld) is "
"returned.\n", msg->msgid);
struct acpi_ipmi_device *ipmi_device = handler_context;
int err, rem_time;
acpi_status status;
+ unsigned long flags;
/*
* IPMI opregion message.
* IPMI message is firstly written to the BMC and system software
return AE_NO_MEMORY;
acpi_format_ipmi_msg(tx_msg, address, value);
- mutex_lock(&ipmi_device->tx_msg_lock);
+ spin_lock_irqsave(&ipmi_device->tx_msg_lock, flags);
list_add_tail(&tx_msg->head, &ipmi_device->tx_msg_list);
- mutex_unlock(&ipmi_device->tx_msg_lock);
+ spin_unlock_irqrestore(&ipmi_device->tx_msg_lock, flags);
err = ipmi_request_settime(ipmi_device->user_interface,
&tx_msg->addr,
tx_msg->tx_msgid,
status = AE_OK;
end_label:
- mutex_lock(&ipmi_device->tx_msg_lock);
+ spin_lock_irqsave(&ipmi_device->tx_msg_lock, flags);
list_del(&tx_msg->head);
- mutex_unlock(&ipmi_device->tx_msg_lock);
+ spin_unlock_irqrestore(&ipmi_device->tx_msg_lock, flags);
kfree(tx_msg);
return status;
}
INIT_LIST_HEAD(&ipmi_device->head);
- mutex_init(&ipmi_device->tx_msg_lock);
+ spin_lock_init(&ipmi_device->tx_msg_lock);
INIT_LIST_HEAD(&ipmi_device->tx_msg_list);
ipmi_install_space_handler(ipmi_device);
/* Get the range from the _CRS */
result = acpi_memory_get_device_resources(mem_device);
if (result) {
+ device->driver_data = NULL;
kfree(mem_device);
return result;
}
if ((obj_desc->common_field.start_field_bit_offset == 0) &&
(obj_desc->common_field.bit_length == access_bit_width)) {
- status = acpi_ex_field_datum_io(obj_desc, 0, buffer, ACPI_READ);
+ if (buffer_length >= sizeof(u64)) {
+ status =
+ acpi_ex_field_datum_io(obj_desc, 0, buffer,
+ ACPI_READ);
+ } else {
+ /* Use raw_datum (u64) to handle buffers < 64 bits */
+
+ status =
+ acpi_ex_field_datum_io(obj_desc, 0, &raw_datum,
+ ACPI_READ);
+ ACPI_MEMCPY(buffer, &raw_datum, buffer_length);
+ }
+
return_ACPI_STATUS(status);
}
struct acpi_device *device;
struct notifier_block pm_nb;
unsigned long update_time;
+ int revision;
int rate_now;
int capacity_now;
int voltage_now;
};
static struct acpi_offsets extended_info_offsets[] = {
+ {offsetof(struct acpi_battery, revision), 0},
{offsetof(struct acpi_battery, power_unit), 0},
{offsetof(struct acpi_battery, design_capacity), 0},
{offsetof(struct acpi_battery, full_charge_capacity), 0},
static int ec_poll(struct acpi_ec *ec)
{
unsigned long flags;
- int repeat = 2; /* number of command restarts */
+ int repeat = 5; /* number of command restarts */
while (repeat--) {
unsigned long delay = jiffies +
msecs_to_jiffies(ec_delay);
}
advance_transaction(ec, acpi_ec_read_status(ec));
} while (time_before(jiffies, delay));
- if (acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF)
- break;
pr_debug(PREFIX "controller reset, restart transaction\n");
spin_lock_irqsave(&ec->curr_lock, flags);
start_transaction(ec);
ec_enlarge_storm_threshold, "CLEVO hardware", {
DMI_MATCH(DMI_SYS_VENDOR, "CLEVO Co."),
DMI_MATCH(DMI_PRODUCT_NAME, "M720T/M730T"),}, NULL},
+ {
+ ec_validate_ecdt, "ASUS hardware", {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTek Computer Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "L4R"),}, NULL},
{},
};
DMI_MATCH(DMI_PRODUCT_NAME, "HP Folio 13 - 2000 Notebook PC"),
},
},
+ {
+ .callback = video_ignore_initial_backlight,
+ .ident = "HP Pavilion dm4",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dm4 Notebook PC"),
+ },
+ },
+ {
+ .callback = video_ignore_initial_backlight,
+ .ident = "HP Pavilion g6 Notebook PC",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion g6 Notebook PC"),
+ },
+ },
+ {
+ .callback = video_ignore_initial_backlight,
+ .ident = "HP 1000 Notebook PC",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP 1000 Notebook PC"),
+ },
+ },
+ {
+ .callback = video_ignore_initial_backlight,
+ .ident = "HP Pavilion m4",
+ .matches = {
+ DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion m4 Notebook PC"),
+ },
+ },
{}
};
DMI_MATCH(DMI_PRODUCT_NAME, "UL30VT"),
},
},
+ {
+ .callback = video_detect_force_vendor,
+ .ident = "Asus UL30A",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"),
+ },
+ },
{ },
};
If unsure, say N.
config SATA_INIC162X
- tristate "Initio 162x SATA support"
+ tristate "Initio 162x SATA support (Very Experimental)"
depends on PCI
help
This option enables support for Initio 162x Serial ATA.
{ PCI_VDEVICE(INTEL, 0x8d64), board_ahci }, /* Wellsburg RAID */
{ PCI_VDEVICE(INTEL, 0x8d66), board_ahci }, /* Wellsburg RAID */
{ PCI_VDEVICE(INTEL, 0x8d6e), board_ahci }, /* Wellsburg RAID */
+ { PCI_VDEVICE(INTEL, 0x23a3), board_ahci }, /* Coleto Creek AHCI */
/* JMicron 360/1/3/5/6, match class to avoid IDE function */
{ PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
/* AMD */
{ PCI_VDEVICE(AMD, 0x7800), board_ahci }, /* AMD Hudson-2 */
+ { PCI_VDEVICE(AMD, 0x7900), board_ahci }, /* AMD CZ */
/* AMD is using RAID class only for ahci controllers */
{ PCI_VENDOR_ID_AMD, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
PCI_CLASS_STORAGE_RAID << 8, 0xffffff, board_ahci },
piix_pata_vmw, /* PIIX4 for VMware, spurious DMA_ERR */
ich8_sata_snb,
ich8_2port_sata_snb,
+ ich8_2port_sata_byt,
};
struct piix_map_db {
/* SATA Controller IDE (Wellsburg) */
{ 0x8086, 0x8d00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
/* SATA Controller IDE (Wellsburg) */
- { 0x8086, 0x8d08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+ { 0x8086, 0x8d08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_snb },
/* SATA Controller IDE (Wellsburg) */
{ 0x8086, 0x8d60, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
/* SATA Controller IDE (Wellsburg) */
{ 0x8086, 0x8d68, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+ /* SATA Controller IDE (BayTrail) */
+ { 0x8086, 0x0F20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt },
+ { 0x8086, 0x0F21, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt },
+ /* SATA Controller IDE (Coleto Creek) */
+ { 0x8086, 0x23a6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
{ } /* terminate list */
};
[tolapai_sata] = &tolapai_map_db,
[ich8_sata_snb] = &ich8_map_db,
[ich8_2port_sata_snb] = &ich8_2port_map_db,
+ [ich8_2port_sata_byt] = &ich8_2port_map_db,
};
static struct ata_port_info piix_port_info[] = {
.port_ops = &piix_sata_ops,
},
+ [ich8_2port_sata_byt] =
+ {
+ .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR | PIIX_FLAG_PIO16,
+ .pio_mask = ATA_PIO4,
+ .mwdma_mask = ATA_MWDMA2,
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &piix_sata_ops,
+ },
+
};
static struct pci_bits piix_enable_bits[] = {
u32 fbs = readl(port_mmio + PORT_FBS);
int pmp = fbs >> PORT_FBS_DWE_OFFSET;
- if ((fbs & PORT_FBS_SDE) && (pmp < ap->nr_pmp_links) &&
- ata_link_online(&ap->pmp_link[pmp])) {
+ if ((fbs & PORT_FBS_SDE) && (pmp < ap->nr_pmp_links)) {
link = &ap->pmp_link[pmp];
fbs_need_dec = true;
}
qc->tf = *tf;
if (cdb)
memcpy(qc->cdb, cdb, ATAPI_CDB_LEN);
+
+ /* some SATA bridges need us to indicate data xfer direction */
+ if (tf->protocol == ATAPI_PROT_DMA && (dev->flags & ATA_DFLAG_DMADIR) &&
+ dma_dir == DMA_FROM_DEVICE)
+ qc->tf.feature |= ATAPI_DMADIR;
+
qc->flags |= ATA_QCFLAG_RESULT_TF;
qc->dma_dir = dma_dir;
if (dma_dir != DMA_NONE) {
/* Disable sending Early R_OK.
* With "cached read" HDD testing and multiple ports busy on a SATA
- * host controller, 3726 PMP will very rarely drop a deferred
+ * host controller, 3x26 PMP will very rarely drop a deferred
* R_OK that was intended for the host. Symptom will be all
* 5 drives under test will timeout, get reset, and recover.
*/
- if (vendor == 0x1095 && devid == 0x3726) {
+ if (vendor == 0x1095 && (devid == 0x3726 || devid == 0x3826)) {
u32 reg;
err_mask = sata_pmp_read(&ap->link, PMP_GSCR_SII_POL, ®);
if (err_mask) {
rc = -EIO;
- reason = "failed to read Sil3726 Private Register";
+ reason = "failed to read Sil3x26 Private Register";
goto fail;
}
reg &= ~0x1;
err_mask = sata_pmp_write(&ap->link, PMP_GSCR_SII_POL, reg);
if (err_mask) {
rc = -EIO;
- reason = "failed to write Sil3726 Private Register";
+ reason = "failed to write Sil3x26 Private Register";
goto fail;
}
}
u16 devid = sata_pmp_gscr_devid(gscr);
struct ata_link *link;
- if (vendor == 0x1095 && devid == 0x3726) {
- /* sil3726 quirks */
+ if (vendor == 0x1095 && (devid == 0x3726 || devid == 0x3826)) {
+ /* sil3x26 quirks */
ata_for_each_link(link, ap, EDGE) {
/* link reports offline after LPM */
link->flags |= ATA_LFLAG_NO_LPM;
- /* Class code report is unreliable. */
+ /*
+ * Class code report is unreliable and SRST times
+ * out under certain configurations.
+ */
if (link->pmp < 5)
- link->flags |= ATA_LFLAG_ASSUME_ATA;
+ link->flags |= ATA_LFLAG_NO_SRST |
+ ATA_LFLAG_ASSUME_ATA;
/* port 5 is for SEMB device and it doesn't like SRST */
if (link->pmp == 5)
ATA_LFLAG_ASSUME_SEMB;
}
} else if (vendor == 0x1095 && devid == 0x4723) {
- /* sil4723 quirks */
- ata_for_each_link(link, ap, EDGE) {
- /* link reports offline after LPM */
- link->flags |= ATA_LFLAG_NO_LPM;
-
- /* class code report is unreliable */
- if (link->pmp < 2)
- link->flags |= ATA_LFLAG_ASSUME_ATA;
-
- /* the config device at port 2 locks up on SRST */
- if (link->pmp == 2)
- link->flags |= ATA_LFLAG_NO_SRST |
- ATA_LFLAG_ASSUME_ATA;
- }
+ /*
+ * sil4723 quirks
+ *
+ * Link reports offline after LPM. Class code report is
+ * unreliable. SIMG PMPs never got SRST reliable and the
+ * config device at port 2 locks up on SRST.
+ */
+ ata_for_each_link(link, ap, EDGE)
+ link->flags |= ATA_LFLAG_NO_LPM |
+ ATA_LFLAG_NO_SRST |
+ ATA_LFLAG_ASSUME_ATA;
} else if (vendor == 0x1095 && devid == 0x4726) {
/* sil4726 quirks */
ata_for_each_link(link, ap, EDGE) {
*
* This file is released under GPL v2.
*
+ * **** WARNING ****
+ *
+ * This driver never worked properly and unfortunately data corruption is
+ * relatively common. There isn't anyone working on the driver and there's
+ * no support from the vendor. Do not use this driver in any production
+ * environment.
+ *
+ * http://thread.gmane.org/gmane.linux.debian.devel.bugs.rc/378525/focus=54491
+ * https://bugzilla.kernel.org/show_bug.cgi?id=60565
+ *
+ * *****************
+ *
* This controller is eccentric and easily locks up if something isn't
* right. Documentation is available at initio's website but it only
* documents registers (not programming model).
ata_print_version_once(&pdev->dev, DRV_VERSION);
+ dev_alert(&pdev->dev, "inic162x support is broken with common data corruption issues and will be disabled by default, contact linux-ide@vger.kernel.org if in production use\n");
+
/* alloc host */
host = ata_host_alloc_pinfo(&pdev->dev, ppi, NR_PORTS);
hpriv = devm_kzalloc(&pdev->dev, sizeof(*hpriv), GFP_KERNEL);
container_of(dev, struct memory_block, dev);
for (i = 0; i < sections_per_block; i++) {
+ if (!present_section_nr(mem->start_section_nr + i))
+ continue;
pfn = section_nr_to_pfn(mem->start_section_nr + i);
ret &= is_mem_section_removable(pfn, PAGES_PER_SECTION);
}
if (IS_ERR(genpd))
return -EINVAL;
- if (genpd->suspend_power_off
- || (dev->power.wakeup_path && genpd_dev_active_wakeup(genpd, dev)))
+ if (genpd->suspend_power_off)
return 0;
/*
spin_lock(&brd->brd_lock);
idx = sector >> PAGE_SECTORS_SHIFT;
+ page->index = idx;
if (radix_tree_insert(&brd->brd_pages, idx, page)) {
__free_page(page);
page = radix_tree_lookup(&brd->brd_pages, idx);
BUG_ON(!page);
BUG_ON(page->index != idx);
- } else
- page->index = idx;
+ }
spin_unlock(&brd->brd_lock);
radix_tree_preload_end();
static int cciss_open(struct block_device *bdev, fmode_t mode);
static int cciss_unlocked_open(struct block_device *bdev, fmode_t mode);
static int cciss_release(struct gendisk *disk, fmode_t mode);
-static int do_ioctl(struct block_device *bdev, fmode_t mode,
- unsigned int cmd, unsigned long arg);
static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg);
static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo);
.owner = THIS_MODULE,
.open = cciss_unlocked_open,
.release = cciss_release,
- .ioctl = do_ioctl,
+ .ioctl = cciss_ioctl,
.getgeo = cciss_getgeo,
#ifdef CONFIG_COMPAT
.compat_ioctl = cciss_compat_ioctl,
return 0;
}
-static int do_ioctl(struct block_device *bdev, fmode_t mode,
- unsigned cmd, unsigned long arg)
-{
- int ret;
- mutex_lock(&cciss_mutex);
- ret = cciss_ioctl(bdev, mode, cmd, arg);
- mutex_unlock(&cciss_mutex);
- return ret;
-}
-
#ifdef CONFIG_COMPAT
static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode,
case CCISS_REGNEWD:
case CCISS_RESCANDISK:
case CCISS_GETLUNINFO:
- return do_ioctl(bdev, mode, cmd, arg);
+ return cciss_ioctl(bdev, mode, cmd, arg);
case CCISS_PASSTHRU32:
return cciss_ioctl32_passthru(bdev, mode, cmd, arg);
int err;
u32 cp;
+ memset(&arg64, 0, sizeof(arg64));
err = 0;
err |=
copy_from_user(&arg64.LUN_info, &arg32->LUN_info,
if (err)
return -EFAULT;
- err = do_ioctl(bdev, mode, CCISS_PASSTHRU, (unsigned long)p);
+ err = cciss_ioctl(bdev, mode, CCISS_PASSTHRU, (unsigned long)p);
if (err)
return err;
err |=
if (err)
return -EFAULT;
- err = do_ioctl(bdev, mode, CCISS_BIG_PASSTHRU, (unsigned long)p);
+ err = cciss_ioctl(bdev, mode, CCISS_BIG_PASSTHRU, (unsigned long)p);
if (err)
return err;
err |=
static int cciss_getintinfo(ctlr_info_t *h, void __user *argp)
{
cciss_coalint_struct intinfo;
+ unsigned long flags;
if (!argp)
return -EINVAL;
+ spin_lock_irqsave(&h->lock, flags);
intinfo.delay = readl(&h->cfgtable->HostWrite.CoalIntDelay);
intinfo.count = readl(&h->cfgtable->HostWrite.CoalIntCount);
+ spin_unlock_irqrestore(&h->lock, flags);
if (copy_to_user
(argp, &intinfo, sizeof(cciss_coalint_struct)))
return -EFAULT;
static int cciss_getnodename(ctlr_info_t *h, void __user *argp)
{
NodeName_type NodeName;
+ unsigned long flags;
int i;
if (!argp)
return -EINVAL;
+ spin_lock_irqsave(&h->lock, flags);
for (i = 0; i < 16; i++)
NodeName[i] = readb(&h->cfgtable->ServerName[i]);
+ spin_unlock_irqrestore(&h->lock, flags);
if (copy_to_user(argp, NodeName, sizeof(NodeName_type)))
return -EFAULT;
return 0;
static int cciss_getheartbeat(ctlr_info_t *h, void __user *argp)
{
Heartbeat_type heartbeat;
+ unsigned long flags;
if (!argp)
return -EINVAL;
+ spin_lock_irqsave(&h->lock, flags);
heartbeat = readl(&h->cfgtable->HeartBeat);
+ spin_unlock_irqrestore(&h->lock, flags);
if (copy_to_user(argp, &heartbeat, sizeof(Heartbeat_type)))
return -EFAULT;
return 0;
static int cciss_getbustypes(ctlr_info_t *h, void __user *argp)
{
BusTypes_type BusTypes;
+ unsigned long flags;
if (!argp)
return -EINVAL;
+ spin_lock_irqsave(&h->lock, flags);
BusTypes = readl(&h->cfgtable->BusTypes);
+ spin_unlock_irqrestore(&h->lock, flags);
if (copy_to_user(argp, &BusTypes, sizeof(BusTypes_type)))
return -EFAULT;
return 0;
ida_pci_info_struct pciinfo;
if (!arg) return -EINVAL;
+ memset(&pciinfo, 0, sizeof(pciinfo));
pciinfo.bus = host->pci_dev->bus->number;
pciinfo.dev_fn = host->pci_dev->devfn;
pciinfo.board_id = host->board_id;
if (hg == -1 && mdev->state.role == R_PRIMARY) {
enum drbd_state_rv rv2;
- drbd_set_role(mdev, R_SECONDARY, 0);
/* drbd_change_state() does not sleep while in SS_IN_TRANSIENT_STATE,
* we might be here in C_WF_REPORT_PARAMS which is transient.
* we do not need to wait for the after state change work either. */
if (!lo->sock)
return -EINVAL;
+ lo->disconnect = 1;
+
nbd_send_req(lo, &sreq);
- return 0;
+ return 0;
}
case NBD_CLEAR_SOCK: {
lo->sock = SOCKET_I(inode);
if (max_part > 0)
bdev->bd_invalidated = 1;
+ lo->disconnect = 0; /* we're connected now */
return 0;
} else {
fput(file);
mutex_unlock(&lo->tx_lock);
- thread = kthread_create(nbd_thread, lo, lo->disk->disk_name);
+ thread = kthread_create(nbd_thread, lo, "%s",
+ lo->disk->disk_name);
if (IS_ERR(thread)) {
mutex_lock(&lo->tx_lock);
return PTR_ERR(thread);
set_capacity(lo->disk, 0);
if (max_part > 0)
ioctl_by_bdev(bdev, BLKRRPART, 0);
+ if (lo->disconnect) /* user requested, ignore socket errors */
+ return 0;
return lo->harderror;
}
cap_str_10, cap_str_2);
set_capacity(vblk->disk, capacity);
+ revalidate_disk(vblk->disk);
done:
mutex_unlock(&vblk->config_lock);
}
{
struct xen_blkif *blkif = arg;
struct xen_vbd *vbd = &blkif->vbd;
+ int ret;
xen_blkif_get(blkif);
blkif->waiting_reqs = 0;
smp_mb(); /* clear flag *before* checking for work */
- if (do_block_io_op(blkif))
+ ret = do_block_io_op(blkif);
+ if (ret > 0)
blkif->waiting_reqs = 1;
+ if (ret == -EACCES)
+ wait_event_interruptible(blkif->shutdown_wq,
+ kthread_should_stop());
if (log_stats && time_after(jiffies, blkif->st_print))
print_stats(blkif);
rp = blk_rings->common.sring->req_prod;
rmb(); /* Ensure we see queued requests up to 'rp'. */
+ if (RING_REQUEST_PROD_OVERFLOW(&blk_rings->common, rp)) {
+ rc = blk_rings->common.rsp_prod_pvt;
+ pr_warn(DRV_PFX "Frontend provided bogus ring requests (%d - %d = %d). Halting ring processing on dev=%04x\n",
+ rp, rc, rp - rc, blkif->vbd.pdevice);
+ return -EACCES;
+ }
while (rc != rp) {
if (RING_REQUEST_CONS_OVERFLOW(&blk_rings->common, rc))
int st_wr_sect;
wait_queue_head_t waiting_to_free;
+ /* Thread shutdown wait queue. */
+ wait_queue_head_t shutdown_wq;
};
atomic_set(&blkif->drain, 0);
blkif->st_print = jiffies;
init_waitqueue_head(&blkif->waiting_to_free);
+ init_waitqueue_head(&blkif->shutdown_wq);
return blkif;
}
{
if (blkif->xenblkd) {
kthread_stop(blkif->xenblkd);
+ wake_up(&blkif->shutdown_wq);
blkif->xenblkd = NULL;
}
{ USB_DEVICE(0x04CA, 0x3008) },
{ USB_DEVICE(0x13d3, 0x3362) },
{ USB_DEVICE(0x0CF3, 0xE004) },
+ { USB_DEVICE(0x0CF3, 0xE005) },
{ USB_DEVICE(0x0930, 0x0219) },
{ USB_DEVICE(0x0489, 0xe057) },
{ USB_DEVICE(0x13d3, 0x3393) },
{ USB_DEVICE(0x0489, 0xe04e) },
{ USB_DEVICE(0x0489, 0xe056) },
+ { USB_DEVICE(0x0489, 0xe04d) },
+ { USB_DEVICE(0x04c5, 0x1330) },
+ { USB_DEVICE(0x13d3, 0x3402) },
+ { USB_DEVICE(0x0cf3, 0x3121) },
+ { USB_DEVICE(0x0cf3, 0xe003) },
/* Atheros AR5BBU12 with sflash firmware */
{ USB_DEVICE(0x0489, 0xE02C) },
{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
/* Atheros AR5BBU22 with sflash firmware */
{ USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
/* Apple-specific (Broadcom) devices */
{ USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) },
+ /* MediaTek MT76x0E */
+ { USB_DEVICE(0x0e8d, 0x763f) },
+
/* Broadcom SoftSailing reporting vendor specific */
{ USB_DEVICE(0x0a5c, 0x21e1) },
/* Broadcom BCM20702A0 */
{ USB_DEVICE(0x0b05, 0x17b5) },
+ { USB_DEVICE(0x0b05, 0x17cb) },
{ USB_DEVICE(0x04ca, 0x2003) },
{ USB_DEVICE(0x0489, 0xe042) },
{ USB_DEVICE(0x413c, 0x8197) },
{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
/* Atheros AR5BBU12 with sflash firmware */
{ USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
if (lba < 0)
return -EINVAL;
- cgc->buffer = kmalloc(blocksize, GFP_KERNEL);
+ cgc->buffer = kzalloc(blocksize, GFP_KERNEL);
if (cgc->buffer == NULL)
return -ENOMEM;
enum bt_states state;
unsigned char seq; /* BT sequence number */
struct si_sm_io *io;
- unsigned char write_data[IPMI_MAX_MSG_LENGTH];
+ unsigned char write_data[IPMI_MAX_MSG_LENGTH + 2]; /* +2 for memcpy */
int write_count;
- unsigned char read_data[IPMI_MAX_MSG_LENGTH];
+ unsigned char read_data[IPMI_MAX_MSG_LENGTH + 2]; /* +2 for memcpy */
int read_count;
int truncated;
long timeout; /* microseconds countdown */
return ipmi_ioctl(filep, cmd, arg);
}
}
+
+static long unlocked_compat_ipmi_ioctl(struct file *filep, unsigned int cmd,
+ unsigned long arg)
+{
+ int ret;
+
+ mutex_lock(&ipmi_mutex);
+ ret = compat_ipmi_ioctl(filep, cmd, arg);
+ mutex_unlock(&ipmi_mutex);
+
+ return ret;
+}
#endif
static const struct file_operations ipmi_fops = {
.owner = THIS_MODULE,
.unlocked_ioctl = ipmi_unlocked_ioctl,
#ifdef CONFIG_COMPAT
- .compat_ioctl = compat_ipmi_ioctl,
+ .compat_ioctl = unlocked_compat_ipmi_ioctl,
#endif
.open = ipmi_open,
.release = ipmi_release,
if (r->entropy_count / 8 < min + reserved) {
nbytes = 0;
} else {
+ int entropy_count, orig;
+retry:
+ entropy_count = orig = ACCESS_ONCE(r->entropy_count);
/* If limited, never pull more than available */
- if (r->limit && nbytes + reserved >= r->entropy_count / 8)
- nbytes = r->entropy_count/8 - reserved;
-
- if (r->entropy_count / 8 >= nbytes + reserved)
- r->entropy_count -= nbytes*8;
- else
- r->entropy_count = reserved;
+ if (r->limit && nbytes + reserved >= entropy_count / 8)
+ nbytes = entropy_count/8 - reserved;
+
+ if (entropy_count / 8 >= nbytes + reserved) {
+ entropy_count -= nbytes*8;
+ if (cmpxchg(&r->entropy_count, orig, entropy_count) != orig)
+ goto retry;
+ } else {
+ entropy_count = reserved;
+ if (cmpxchg(&r->entropy_count, orig, entropy_count) != orig)
+ goto retry;
+ }
- if (r->entropy_count < random_write_wakeup_thresh) {
+ if (entropy_count < random_write_wakeup_thresh) {
wake_up_interruptible(&random_write_wait);
kill_fasync(&fasync, SIGIO, POLL_OUT);
}
unsigned long flags;
spin_lock_irqsave(&portdev->ports_lock, flags);
- list_for_each_entry(port, &portdev->ports, list)
- if (port->cdev->dev == dev)
+ list_for_each_entry(port, &portdev->ports, list) {
+ if (port->cdev->dev == dev) {
+ kref_get(&port->kref);
goto out;
+ }
+ }
port = NULL;
out:
spin_unlock_irqrestore(&portdev->ports_lock, flags);
port = filp->private_data;
+ /* Port is hot-unplugged. */
+ if (!port->guest_connected)
+ return -ENODEV;
+
if (!port_has_data(port)) {
/*
* If nothing's connected on the host just return 0 in
if (ret < 0)
return ret;
}
- /* Port got hot-unplugged. */
+ /* Port got hot-unplugged while we were waiting above. */
if (!port->guest_connected)
return -ENODEV;
/*
struct port *port;
int ret;
+ /* We get the port with a kref here */
port = find_port_by_devt(cdev->dev);
+ if (!port) {
+ /* Port was unplugged before we could proceed */
+ return -ENXIO;
+ }
filp->private_data = port;
- /* Prevent against a port getting hot-unplugged at the same time */
- spin_lock_irq(&port->portdev->ports_lock);
- kref_get(&port->kref);
- spin_unlock_irq(&port->portdev->ports_lock);
-
/*
* Don't allow opening of console port devices -- that's done
* via /dev/hvc
port = container_of(kref, struct port, kref);
- sysfs_remove_group(&port->dev->kobj, &port_attribute_group);
- device_destroy(pdrvdata.class, port->dev->devt);
- cdev_del(port->cdev);
-
- kfree(port->name);
-
- debugfs_remove(port->debugfs_file);
-
kfree(port);
}
spin_unlock_irq(&port->portdev->ports_lock);
if (port->guest_connected) {
+ /* Let the app know the port is going down. */
+ send_sigio_to_port(port);
+
+ /* Do this after sigio is actually sent */
port->guest_connected = false;
port->host_connected = false;
- wake_up_interruptible(&port->waitqueue);
- /* Let the app know the port is going down. */
- send_sigio_to_port(port);
+ wake_up_interruptible(&port->waitqueue);
}
if (is_console_port(port)) {
*/
port->portdev = NULL;
+ sysfs_remove_group(&port->dev->kobj, &port_attribute_group);
+ device_destroy(pdrvdata.class, port->dev->devt);
+ cdev_del(port->cdev);
+
+ kfree(port->name);
+
+ debugfs_remove(port->debugfs_file);
+
/*
* Locks around here are not necessary - a port can't be
* opened after we removed the port struct from ports_list
dev_dbg(chan2dev(&pd_chan->chan), "scanned %d descriptors\n", i);
if (!ret) {
- ret = pdc_alloc_desc(&pd_chan->chan, GFP_NOIO);
+ ret = pdc_alloc_desc(&pd_chan->chan, GFP_ATOMIC);
if (ret) {
spin_lock(&pd_chan->lock);
pd_chan->descs_allocated++;
struct dma_pl330_chan *pch = to_pchan(chan);
unsigned long flags;
- spin_lock_irqsave(&pch->lock, flags);
-
tasklet_kill(&pch->task);
+ spin_lock_irqsave(&pch->lock, flags);
+
pl330_release_channel(pch->pl330_chid);
pch->pl330_chid = NULL;
check_var_size_locked(struct efivars *efivars, u32 attributes,
unsigned long size)
{
- u64 storage_size, remaining_size, max_size;
- efi_status_t status;
const struct efivar_operations *fops = efivars->ops;
- if (!efivars->ops->query_variable_info)
+ if (!efivars->ops->query_variable_store)
return EFI_UNSUPPORTED;
- status = fops->query_variable_info(attributes, &storage_size,
- &remaining_size, &max_size);
-
- if (status != EFI_SUCCESS)
- return status;
-
- if (!storage_size || size > remaining_size || size > max_size ||
- (remaining_size - size) < (storage_size / 2))
- return EFI_OUT_OF_RESOURCES;
-
- return status;
+ return fops->query_variable_store(attributes, size);
}
static ssize_t
ops.get_variable = efi.get_variable;
ops.set_variable = efi.set_variable;
ops.get_next_variable = efi.get_next_variable;
- ops.query_variable_info = efi.query_variable_info;
+ ops.query_variable_store = efi_query_variable_store;
error = register_efivars(&__efivars, &ops, efi_kobj);
if (error)
goto err_put;
/* ViewSonic VA2026w */
{ "VSC", 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING },
+
+ /* Medion MD 30217 PG */
+ { "MED", 0x7b8, EDID_QUIRK_PREFER_LARGE_75 },
};
/*** DDC fetch and block validation ***/
*/
void drm_vblank_pre_modeset(struct drm_device *dev, int crtc)
{
- /* vblank is not initialized (IRQ not installed ?) */
+ /* vblank is not initialized (IRQ not installed ?), or has been freed */
if (!dev->num_crtcs)
return;
/*
{
unsigned long irqflags;
+ /* vblank is not initialized (IRQ not installed ?), or has been freed */
+ if (!dev->num_crtcs)
+ return;
+
if (dev->vblank_inmodeset[crtc]) {
spin_lock_irqsave(&dev->vbl_lock, irqflags);
dev->vblank_disable_allowed = 1;
release_resource(&dev_priv->mch_res);
}
-static unsigned long i915_stolen_to_physical(struct drm_device *dev)
+#define PTE_ADDRESS_MASK 0xfffff000
+#define PTE_ADDRESS_MASK_HIGH 0x000000f0 /* i915+ */
+#define PTE_MAPPING_TYPE_UNCACHED (0 << 1)
+#define PTE_MAPPING_TYPE_DCACHE (1 << 1) /* i830 only */
+#define PTE_MAPPING_TYPE_CACHED (3 << 1)
+#define PTE_MAPPING_TYPE_MASK (3 << 1)
+#define PTE_VALID (1 << 0)
+
+/**
+ * i915_stolen_to_phys - take an offset into stolen memory and turn it into
+ * a physical one
+ * @dev: drm device
+ * @offset: address to translate
+ *
+ * Some chip functions require allocations from stolen space and need the
+ * physical address of the memory in question.
+ */
+static unsigned long i915_stolen_to_phys(struct drm_device *dev, u32 offset)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct pci_dev *pdev = dev_priv->bridge_dev;
u32 base;
+#if 0
/* On the machines I have tested the Graphics Base of Stolen Memory
- * is unreliable, so on those compute the base by subtracting the
- * stolen memory from the Top of Low Usable DRAM which is where the
- * BIOS places the graphics stolen memory.
- *
- * On gen2, the layout is slightly different with the Graphics Segment
- * immediately following Top of Memory (or Top of Usable DRAM). Note
- * it appears that TOUD is only reported by 865g, so we just use the
- * top of memory as determined by the e820 probe.
- *
- * XXX gen2 requires an unavailable symbol and 945gm fails with
- * its value of TOLUD.
+ * is unreliable, so compute the base by subtracting the stolen memory
+ * from the Top of Low Usable DRAM which is where the BIOS places
+ * the graphics stolen memory.
*/
- base = 0;
- if (INTEL_INFO(dev)->gen >= 6) {
- /* Read Base Data of Stolen Memory Register (BDSM) directly.
- * Note that there is also a MCHBAR miror at 0x1080c0 or
- * we could use device 2:0x5c instead.
- */
- pci_read_config_dword(pdev, 0xB0, &base);
- base &= ~4095; /* lower bits used for locking register */
- } else if (INTEL_INFO(dev)->gen > 3 || IS_G33(dev)) {
- /* Read Graphics Base of Stolen Memory directly */
+ if (INTEL_INFO(dev)->gen > 3 || IS_G33(dev)) {
+ /* top 32bits are reserved = 0 */
pci_read_config_dword(pdev, 0xA4, &base);
-#if 0
- } else if (IS_GEN3(dev)) {
+ } else {
+ /* XXX presume 8xx is the same as i915 */
+ pci_bus_read_config_dword(pdev->bus, 2, 0x5C, &base);
+ }
+#else
+ if (INTEL_INFO(dev)->gen > 3 || IS_G33(dev)) {
+ u16 val;
+ pci_read_config_word(pdev, 0xb0, &val);
+ base = val >> 4 << 20;
+ } else {
u8 val;
- /* Stolen is immediately below Top of Low Usable DRAM */
pci_read_config_byte(pdev, 0x9c, &val);
base = val >> 3 << 27;
- base -= dev_priv->mm.gtt->stolen_size;
- } else {
- /* Stolen is immediately above Top of Memory */
- base = max_low_pfn_mapped << PAGE_SHIFT;
-#endif
}
+ base -= dev_priv->mm.gtt->stolen_size;
+#endif
- return base;
+ return base + offset;
}
static void i915_warn_stolen(struct drm_device *dev)
if (!compressed_fb)
goto err;
- cfb_base = dev_priv->mm.stolen_base + compressed_fb->start;
+ cfb_base = i915_stolen_to_phys(dev, compressed_fb->start);
if (!cfb_base)
goto err_fb;
if (!compressed_llb)
goto err_fb;
- ll_base = dev_priv->mm.stolen_base + compressed_llb->start;
+ ll_base = i915_stolen_to_phys(dev, compressed_llb->start);
if (!ll_base)
goto err_llb;
}
}
DRM_DEBUG_KMS("FBC base 0x%08lx, ll base 0x%08lx, size %dM\n",
- (long)cfb_base, (long)ll_base, size >> 20);
+ cfb_base, ll_base, size >> 20);
return;
err_llb:
gtt_size = dev_priv->mm.gtt->gtt_total_entries << PAGE_SHIFT;
mappable_size = dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT;
- dev_priv->mm.stolen_base = i915_stolen_to_physical(dev);
- if (dev_priv->mm.stolen_base == 0)
- return 0;
-
- DRM_DEBUG_KMS("found %d bytes of stolen memory at %08lx\n",
- dev_priv->mm.gtt->stolen_size, dev_priv->mm.stolen_base);
-
/* Basic memrange allocator for stolen space */
drm_mm_init(&dev_priv->mm.stolen, 0, prealloc_size);
#define QUIRK_PIPEA_FORCE (1<<0)
#define QUIRK_LVDS_SSC_DISABLE (1<<1)
#define QUIRK_INVERT_BRIGHTNESS (1<<2)
+#define QUIRK_NO_PCH_PWM_ENABLE (1<<3)
struct intel_fbdev;
struct intel_fbc_work;
unsigned long gtt_start;
unsigned long gtt_mappable_end;
unsigned long gtt_end;
- unsigned long stolen_base; /* limited to low memory (32-bit) */
struct io_mapping *gtt_mapping;
int gtt_mtrr;
#define IPEIR_I965 0x02064
#define IPEHR_I965 0x02068
#define INSTDONE_I965 0x0206c
+#define RING_INSTPM(base) ((base)+0xc0)
#define INSTPS 0x02070 /* 965+ only */
#define INSTDONE1 0x0207c /* 965+ only */
#define ACTHD_I965 0x02074
will not assert AGPBUSY# and will only
be delivered when out of C3. */
#define INSTPM_FORCE_ORDERING (1<<7) /* GEN6+ */
+#define INSTPM_TLB_INVALIDATE (1<<9)
+#define INSTPM_SYNC_FLUSH (1<<5)
#define ACTHD 0x020c8
#define FW_BLC 0x020d8
#define FW_BLC2 0x020dc
#define EDP_LINK_TRAIN_600MV_0DB_IVB (0x30 <<22)
#define EDP_LINK_TRAIN_600MV_3_5DB_IVB (0x36 <<22)
#define EDP_LINK_TRAIN_800MV_0DB_IVB (0x38 <<22)
-#define EDP_LINK_TRAIN_800MV_3_5DB_IVB (0x33 <<22)
+#define EDP_LINK_TRAIN_800MV_3_5DB_IVB (0x3e <<22)
/* legacy values */
#define EDP_LINK_TRAIN_500MV_0DB_IVB (0x00 <<22)
dev_priv->quirks |= QUIRK_INVERT_BRIGHTNESS;
}
+/*
+ * Some machines (Dell XPS13) suffer broken backlight controls if
+ * BLM_PCH_PWM_ENABLE is set.
+ */
+static void quirk_no_pcm_pwm_enable(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ dev_priv->quirks |= QUIRK_NO_PCH_PWM_ENABLE;
+ DRM_INFO("applying no-PCH_PWM_ENABLE quirk\n");
+}
+
struct intel_quirk {
int device;
int subsystem_vendor;
/* Acer/Packard Bell NCL20 */
{ 0x2a42, 0x1025, 0x034b, quirk_invert_brightness },
+
+ /* Dell XPS13 HD Sandy Bridge */
+ { 0x0116, 0x1028, 0x052e, quirk_no_pcm_pwm_enable },
+ /* Dell XPS13 HD and XPS13 FHD Ivy Bridge */
+ { 0x0166, 0x1028, 0x058b, quirk_no_pcm_pwm_enable },
};
static void intel_init_quirks(struct drm_device *dev)
DRM_DEBUG_KMS("aux_ch native nack\n");
return -EREMOTEIO;
case AUX_NATIVE_REPLY_DEFER:
- udelay(100);
+ /*
+ * For now, just give more slack to branch devices. We
+ * could check the DPCD for I2C bit rate capabilities,
+ * and if available, adjust the interval. We could also
+ * be more careful with DP-to-Legacy adapters where a
+ * long legacy cable may force very low I2C bit rates.
+ */
+ if (intel_dp->dpcd[DP_DOWNSTREAMPORT_PRESENT] &
+ DP_DWN_STRM_PORT_PRESENT)
+ usleep_range(500, 600);
+ else
+ usleep_range(300, 400);
continue;
default:
DRM_ERROR("aux_ch invalid native reply 0x%02x\n",
{
struct intel_lvds *intel_lvds = to_intel_lvds(encoder);
- /*
- * Prior to Ironlake, we must disable the pipe if we want to adjust
- * the panel fitter. However at all other times we can just reset
- * the registers regardless.
- */
- if (!HAS_PCH_SPLIT(encoder->dev) && intel_lvds->pfit_dirty)
- intel_lvds_disable(intel_lvds);
+ intel_lvds_disable(intel_lvds);
}
static void intel_lvds_commit(struct drm_encoder *encoder)
},
{
.callback = intel_no_lvds_dmi_callback,
- .ident = "Hewlett-Packard HP t5740e Thin Client",
+ .ident = "Hewlett-Packard HP t5740",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
- DMI_MATCH(DMI_PRODUCT_NAME, "HP t5740e Thin Client"),
+ DMI_MATCH(DMI_PRODUCT_NAME, " t5740"),
},
},
{
goto failed;
out:
- if (HAS_PCH_SPLIT(dev)) {
+ if (HAS_PCH_SPLIT(dev) &&
+ !(dev_priv->quirks & QUIRK_NO_PCH_PWM_ENABLE)) {
u32 pwm;
pipe = (I915_READ(PCH_LVDS) & LVDS_PIPEB_SELECT) ? 1 : 0;
max = intel_panel_get_max_backlight(dev);
intel_panel_set_backlight(dev, bclp * max / 255);
- asle->cblv = (bclp*0x64)/0xff | ASLE_CBLV_VALID;
+ asle->cblv = DIV_ROUND_UP(bclp * 100, 255) | ASLE_CBLV_VALID;
return 0;
}
if (INTEL_INFO(dev)->gen >= 6)
I915_WRITE(MI_MODE, GFX_MODE_ENABLE(ASYNC_FLIP_PERF_DISABLE));
- /* Required for the hardware to program scanline values for waiting */
- if (INTEL_INFO(dev)->gen == 6)
- I915_WRITE(GFX_MODE,
- GFX_MODE_ENABLE(GFX_TLB_INVALIDATE_ALWAYS));
-
if (IS_GEN7(dev))
I915_WRITE(GFX_MODE_GEN7,
GFX_MODE_DISABLE(GFX_TLB_INVALIDATE_ALWAYS) |
I915_WRITE(mmio, (u32)ring->status_page.gfx_addr);
POSTING_READ(mmio);
+
+ /* Flush the TLB for this page */
+ if (INTEL_INFO(dev)->gen >= 6) {
+ u32 reg = RING_INSTPM(ring->mmio_base);
+ I915_WRITE(reg,
+ _MASKED_BIT_ENABLE(INSTPM_TLB_INVALIDATE |
+ INSTPM_SYNC_FLUSH));
+ if (wait_for((I915_READ(reg) & INSTPM_SYNC_FLUSH) == 0,
+ 1000))
+ DRM_ERROR("%s: wait for SyncFlush to complete for TLB invalidation timed out\n",
+ ring->name);
+ }
}
static int
* Assume that the preferred modes are
* arranged in priority order.
*/
- intel_ddc_get_modes(connector, intel_sdvo->i2c);
- if (list_empty(&connector->probed_modes) == false)
- goto end;
+ intel_ddc_get_modes(connector, &intel_sdvo->ddc);
- /* Fetch modes from VBT */
+ /*
+ * Fetch modes from VBT. For SDVO prefer the VBT mode since some
+ * SDVO->LVDS transcoders can't cope with the EDID mode. Since
+ * drm_mode_probed_add adds the mode at the head of the list we add it
+ * last.
+ */
if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
newmode = drm_mode_duplicate(connector->dev,
dev_priv->sdvo_lvds_vbt_mode);
}
}
-end:
list_for_each_entry(newmode, &connector->probed_modes, head) {
if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
intel_sdvo->sdvo_lvds_fixed_mode =
int r;
mutex_lock(&ctx->mutex);
+ /* reset data block */
+ ctx->data_block = 0;
/* reset reg block */
ctx->reg_block = 0;
/* reset fb window */
ctx->fb_base = 0;
/* reset io mode */
ctx->io_mode = ATOM_IO_MM;
+ /* reset divmul */
+ ctx->divmul[0] = 0;
+ ctx->divmul[1] = 0;
r = atom_execute_table_locked(ctx, index, params);
mutex_unlock(&ctx->mutex);
return r;
atombios_dig_encoder_setup(encoder, ATOM_ENABLE, 0);
atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_SETUP, 0, 0);
atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
- /* some early dce3.2 boards have a bug in their transmitter control table */
- if ((rdev->family != CHIP_RV710) && (rdev->family != CHIP_RV730))
+ /* some dce3.x boards have a bug in their transmitter control table.
+ * ACTION_ENABLE_OUTPUT can probably be dropped since ACTION_ENABLE
+ * does the same thing and more.
+ */
+ if ((rdev->family != CHIP_RV710) && (rdev->family != CHIP_RV730) &&
+ (rdev->family != CHIP_RS880))
atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0);
}
if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(encoder)) && connector) {
struct drm_display_mode *mode,
struct drm_display_mode *other_mode)
{
- u32 tmp;
+ u32 tmp, buffer_alloc, i;
+ u32 pipe_offset = radeon_crtc->crtc_id * 0x20;
/*
* Line Buffer Setup
* There are 3 line buffers, each one shared by 2 display controllers.
* non-linked crtcs for maximum line buffer allocation.
*/
if (radeon_crtc->base.enabled && mode) {
- if (other_mode)
+ if (other_mode) {
tmp = 0; /* 1/2 */
- else
+ buffer_alloc = 1;
+ } else {
tmp = 2; /* whole */
- } else
+ buffer_alloc = 2;
+ }
+ } else {
tmp = 0;
+ buffer_alloc = 0;
+ }
/* second controller of the pair uses second half of the lb */
if (radeon_crtc->crtc_id % 2)
tmp += 4;
WREG32(DC_LB_MEMORY_SPLIT + radeon_crtc->crtc_offset, tmp);
+ if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
+ WREG32(PIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
+ DMIF_BUFFERS_ALLOCATED(buffer_alloc));
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if (RREG32(PIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
+ DMIF_BUFFERS_ALLOCATED_COMPLETED)
+ break;
+ udelay(1);
+ }
+ }
+
if (radeon_crtc->base.enabled && mode) {
switch (tmp) {
case 0:
/* enable pcie gen2 link */
evergreen_pcie_gen2_enable(rdev);
+ evergreen_mc_program(rdev);
+
if (ASIC_IS_DCE5(rdev)) {
if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
r = ni_init_microcode(rdev);
if (r)
return r;
- evergreen_mc_program(rdev);
if (rdev->flags & RADEON_IS_AGP) {
evergreen_agp_enable(rdev);
} else {
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r = r600_irq_init(rdev);
if (r) {
DRM_ERROR("radeon: IH init failed (%d).\n", r);
if (r)
return r;
- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
-
rdev->cp.ring_obj = NULL;
r600_ring_init(rdev, 1024 * 1024);
# define LATENCY_LOW_WATERMARK(x) ((x) << 0)
# define LATENCY_HIGH_WATERMARK(x) ((x) << 16)
+#define PIPE0_DMIF_BUFFER_CONTROL 0x0ca0
+# define DMIF_BUFFERS_ALLOCATED(x) ((x) << 0)
+# define DMIF_BUFFERS_ALLOCATED_COMPLETED (1 << 4)
+
#define IH_RB_CNTL 0x3e00
# define IH_RB_ENABLE (1 << 0)
# define IH_IB_SIZE(x) ((x) << 1) /* log2 */
/* enable pcie gen2 link */
evergreen_pcie_gen2_enable(rdev);
+ evergreen_mc_program(rdev);
+
if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
r = ni_init_microcode(rdev);
if (r) {
if (r)
return r;
- evergreen_mc_program(rdev);
r = cayman_pcie_gart_enable(rdev);
if (r)
return r;
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r = r600_irq_init(rdev);
if (r) {
DRM_ERROR("radeon: IH init failed (%d).\n", r);
if (r)
return r;
- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
-
rdev->cp.ring_obj = NULL;
r600_ring_init(rdev, 1024 * 1024);
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r100_irq_set(rdev);
rdev->config.r100.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
r100_mc_init(rdev);
/* Fence driver */
r = radeon_fence_driver_init(rdev);
- if (r)
- return r;
- r = radeon_irq_kms_init(rdev);
if (r)
return r;
/* Memory manager */
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r100_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
r300_mc_init(rdev);
/* Fence driver */
r = radeon_fence_driver_init(rdev);
- if (r)
- return r;
- r = radeon_irq_kms_init(rdev);
if (r)
return r;
/* Memory manager */
OUT_RING(CP_PACKET0(R300_RE_CLIPRECT_TL_0, nr * 2 - 1));
for (i = 0; i < nr; ++i) {
- if (DRM_COPY_FROM_USER_UNCHECKED
+ if (DRM_COPY_FROM_USER
(&box, &cmdbuf->boxes[n + i], sizeof(box))) {
DRM_ERROR("copy cliprect faulted\n");
return -EFAULT;
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r100_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
if (r) {
return r;
}
- r = radeon_irq_kms_init(rdev);
- if (r) {
- return r;
- }
/* Memory manager */
r = radeon_bo_init(rdev);
if (r) {
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
rs600_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
rv515_debugfs(rdev);
/* Fence driver */
r = radeon_fence_driver_init(rdev);
- if (r)
- return r;
- r = radeon_irq_kms_init(rdev);
if (r)
return r;
/* Memory manager */
/* enable pcie gen2 link */
r600_pcie_gen2_enable(rdev);
+ r600_mc_program(rdev);
+
if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
r = r600_init_microcode(rdev);
if (r) {
if (r)
return r;
- r600_mc_program(rdev);
if (rdev->flags & RADEON_IS_AGP) {
r600_agp_enable(rdev);
} else {
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r = r600_irq_init(rdev);
if (r) {
DRM_ERROR("radeon: IH init failed (%d).\n", r);
if (r)
return r;
- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
-
rdev->cp.ring_obj = NULL;
r600_ring_init(rdev, 1024 * 1024);
(ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT *)
(ctx->bios + data_offset +
le16_to_cpu(router_obj->asObjects[k].usSrcDstTableOffset));
+ u8 *num_dst_objs = (u8 *)
+ ((u8 *)router_src_dst_table + 1 +
+ (router_src_dst_table->ucNumberOfSrc * 2));
+ u16 *dst_objs = (u16 *)(num_dst_objs + 1);
int enum_id;
router.router_id = router_obj_id;
- for (enum_id = 0; enum_id < router_src_dst_table->ucNumberOfDst;
- enum_id++) {
+ for (enum_id = 0; enum_id < (*num_dst_objs); enum_id++) {
if (le16_to_cpu(path->usConnObjectId) ==
- le16_to_cpu(router_src_dst_table->usDstObjectID[enum_id]))
+ le16_to_cpu(dst_objs[enum_id]))
break;
}
kfree(edid);
}
}
- record += sizeof(ATOM_FAKE_EDID_PATCH_RECORD);
+ record += fake_edid_record->ucFakeEDIDLength ?
+ fake_edid_record->ucFakeEDIDLength + 2 :
+ sizeof(ATOM_FAKE_EDID_PATCH_RECORD);
break;
case LCD_PANEL_RESOLUTION_RECORD_TYPE:
panel_res_record = (ATOM_PANEL_RESOLUTION_PATCH_RECORD *)record;
enum radeon_combios_table_offset table)
{
struct radeon_device *rdev = dev->dev_private;
- int rev;
+ int rev, size;
uint16_t offset = 0, check_offset;
if (!rdev->bios)
switch (table) {
/* absolute offset tables */
case COMBIOS_ASIC_INIT_1_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0xc);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0xc;
break;
case COMBIOS_BIOS_SUPPORT_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x14);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x14;
break;
case COMBIOS_DAC_PROGRAMMING_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x2a);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x2a;
break;
case COMBIOS_MAX_COLOR_DEPTH_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x2c);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x2c;
break;
case COMBIOS_CRTC_INFO_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x2e);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x2e;
break;
case COMBIOS_PLL_INFO_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x30);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x30;
break;
case COMBIOS_TV_INFO_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x32);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x32;
break;
case COMBIOS_DFP_INFO_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x34);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x34;
break;
case COMBIOS_HW_CONFIG_INFO_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x36);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x36;
break;
case COMBIOS_MULTIMEDIA_INFO_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x38);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x38;
break;
case COMBIOS_TV_STD_PATCH_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x3e);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x3e;
break;
case COMBIOS_LCD_INFO_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x40);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x40;
break;
case COMBIOS_MOBILE_INFO_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x42);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x42;
break;
case COMBIOS_PLL_INIT_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x46);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x46;
break;
case COMBIOS_MEM_CONFIG_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x48);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x48;
break;
case COMBIOS_SAVE_MASK_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x4a);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x4a;
break;
case COMBIOS_HARDCODED_EDID_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x4c);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x4c;
break;
case COMBIOS_ASIC_INIT_2_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x4e);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x4e;
break;
case COMBIOS_CONNECTOR_INFO_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x50);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x50;
break;
case COMBIOS_DYN_CLK_1_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x52);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x52;
break;
case COMBIOS_RESERVED_MEM_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x54);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x54;
break;
case COMBIOS_EXT_TMDS_INFO_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x58);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x58;
break;
case COMBIOS_MEM_CLK_INFO_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x5a);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x5a;
break;
case COMBIOS_EXT_DAC_INFO_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x5c);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x5c;
break;
case COMBIOS_MISC_INFO_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x5e);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x5e;
break;
case COMBIOS_CRT_INFO_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x60);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x60;
break;
case COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x62);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x62;
break;
case COMBIOS_COMPONENT_VIDEO_INFO_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x64);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x64;
break;
case COMBIOS_FAN_SPEED_INFO_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x66);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x66;
break;
case COMBIOS_OVERDRIVE_INFO_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x68);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x68;
break;
case COMBIOS_OEM_INFO_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x6a);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x6a;
break;
case COMBIOS_DYN_CLK_2_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x6c);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x6c;
break;
case COMBIOS_POWER_CONNECTOR_INFO_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x6e);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x6e;
break;
case COMBIOS_I2C_INFO_TABLE:
- check_offset = RBIOS16(rdev->bios_header_start + 0x70);
- if (check_offset)
- offset = check_offset;
+ check_offset = 0x70;
break;
/* relative offset tables */
case COMBIOS_ASIC_INIT_3_TABLE: /* offset from misc info */
}
break;
default:
+ check_offset = 0;
break;
}
- return offset;
+ size = RBIOS8(rdev->bios_header_start + 0x6);
+ /* check absolute offset tables */
+ if (table < COMBIOS_ASIC_INIT_3_TABLE && check_offset && check_offset < size)
+ offset = RBIOS16(rdev->bios_header_start + check_offset);
+ return offset;
}
bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev)
dac = RBIOS8(dac_info + 0x3) & 0xf;
p_dac->ps2_pdac_adj = (bg << 8) | (dac);
}
- /* if the values are all zeros, use the table */
- if (p_dac->ps2_pdac_adj)
+ /* if the values are zeros, use the table */
+ if ((dac == 0) || (bg == 0))
+ found = 0;
+ else
found = 1;
}
/* quirks */
+ /* Radeon 7000 (RV100) */
+ if (((dev->pdev->device == 0x5159) &&
+ (dev->pdev->subsystem_vendor == 0x174B) &&
+ (dev->pdev->subsystem_device == 0x7c28)) ||
/* Radeon 9100 (R200) */
- if ((dev->pdev->device == 0x514D) &&
+ ((dev->pdev->device == 0x514D) &&
(dev->pdev->subsystem_vendor == 0x174B) &&
- (dev->pdev->subsystem_device == 0x7149)) {
+ (dev->pdev->subsystem_device == 0x7149))) {
/* vbios value is bad, use the default */
found = 0;
}
.force = radeon_dvi_force,
};
+static const struct drm_connector_funcs radeon_edp_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .detect = radeon_dp_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .set_property = radeon_lvds_set_property,
+ .destroy = radeon_dp_connector_destroy,
+ .force = radeon_dvi_force,
+};
+
+static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .detect = radeon_dp_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .set_property = radeon_lvds_set_property,
+ .destroy = radeon_dp_connector_destroy,
+ .force = radeon_dvi_force,
+};
+
void
radeon_add_atom_connector(struct drm_device *dev,
uint32_t connector_id,
goto failed;
radeon_dig_connector->igp_lane_info = igp_lane_info;
radeon_connector->con_priv = radeon_dig_connector;
- drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
- drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
if (i2c_bus->valid) {
/* add DP i2c bus */
if (connector_type == DRM_MODE_CONNECTOR_eDP)
case DRM_MODE_CONNECTOR_VGA:
case DRM_MODE_CONNECTOR_DVIA:
default:
+ drm_connector_init(dev, &radeon_connector->base,
+ &radeon_dp_connector_funcs, connector_type);
+ drm_connector_helper_add(&radeon_connector->base,
+ &radeon_dp_connector_helper_funcs);
connector->interlace_allowed = true;
connector->doublescan_allowed = true;
radeon_connector->dac_load_detect = true;
case DRM_MODE_CONNECTOR_HDMIA:
case DRM_MODE_CONNECTOR_HDMIB:
case DRM_MODE_CONNECTOR_DisplayPort:
+ drm_connector_init(dev, &radeon_connector->base,
+ &radeon_dp_connector_funcs, connector_type);
+ drm_connector_helper_add(&radeon_connector->base,
+ &radeon_dp_connector_helper_funcs);
drm_connector_attach_property(&radeon_connector->base,
rdev->mode_info.underscan_property,
UNDERSCAN_OFF);
break;
case DRM_MODE_CONNECTOR_LVDS:
case DRM_MODE_CONNECTOR_eDP:
+ drm_connector_init(dev, &radeon_connector->base,
+ &radeon_lvds_bridge_connector_funcs, connector_type);
+ drm_connector_helper_add(&radeon_connector->base,
+ &radeon_dp_connector_helper_funcs);
drm_connector_attach_property(&radeon_connector->base,
dev->mode_config.scaling_mode_property,
DRM_MODE_SCALE_FULLSCREEN);
goto failed;
radeon_dig_connector->igp_lane_info = igp_lane_info;
radeon_connector->con_priv = radeon_dig_connector;
- drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
+ drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
if (i2c_bus->valid) {
/* add DP i2c bus */
return false;
/* first check CRTCs */
- if (ASIC_IS_DCE41(rdev)) {
+ if (ASIC_IS_DCE4(rdev)) {
reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) |
RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET);
- if (reg & EVERGREEN_CRTC_MASTER_EN)
- return true;
- } else if (ASIC_IS_DCE4(rdev)) {
- reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) |
- RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) |
- RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) |
- RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) |
- RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) |
- RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
+ if (rdev->num_crtc >= 4) {
+ reg |= RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) |
+ RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET);
+ }
+ if (rdev->num_crtc >= 6) {
+ reg |= RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) |
+ RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
+ }
if (reg & EVERGREEN_CRTC_MASTER_EN)
return true;
} else if (ASIC_IS_AVIVO(rdev)) {
return r;
}
if (radeon_testing) {
- radeon_test_moves(rdev);
+ if (rdev->accel_working)
+ radeon_test_moves(rdev);
+ else
+ DRM_INFO("radeon: acceleration disabled, skipping move tests\n");
}
if (radeon_benchmarking) {
- radeon_benchmark(rdev, radeon_benchmarking);
+ if (rdev->accel_working)
+ radeon_benchmark(rdev, radeon_benchmarking);
+ else
+ DRM_INFO("radeon: acceleration disabled, skipping benchmarks\n");
}
return 0;
}
/* FIXME: according to doc we should set HIDE_MMCFG_BAR=0,
* AGPMODE30=0 & AGP30ENHANCED=0 in NB_CNTL */
if ((rdev->family == CHIP_RS690) || (rdev->family == CHIP_RS740)) {
- WREG32_MC(RS480_MC_MISC_CNTL,
- (RS480_GART_INDEX_REG_EN | RS690_BLOCK_GFX_D3_EN));
+ tmp = RREG32_MC(RS480_MC_MISC_CNTL);
+ tmp |= RS480_GART_INDEX_REG_EN | RS690_BLOCK_GFX_D3_EN;
+ WREG32_MC(RS480_MC_MISC_CNTL, tmp);
} else {
- WREG32_MC(RS480_MC_MISC_CNTL, RS480_GART_INDEX_REG_EN);
+ tmp = RREG32_MC(RS480_MC_MISC_CNTL);
+ tmp |= RS480_GART_INDEX_REG_EN;
+ WREG32_MC(RS480_MC_MISC_CNTL, tmp);
}
/* Enable gart */
WREG32_MC(RS480_AGP_ADDRESS_SPACE_SIZE, (RS480_GART_EN | size_reg));
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r100_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
rs400_mc_init(rdev);
/* Fence driver */
r = radeon_fence_driver_init(rdev);
- if (r)
- return r;
- r = radeon_irq_kms_init(rdev);
if (r)
return r;
/* Memory manager */
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
rs600_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
rs600_debugfs(rdev);
/* Fence driver */
r = radeon_fence_driver_init(rdev);
- if (r)
- return r;
- r = radeon_irq_kms_init(rdev);
if (r)
return r;
/* Memory manager */
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
rs600_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
rv515_debugfs(rdev);
/* Fence driver */
r = radeon_fence_driver_init(rdev);
- if (r)
- return r;
- r = radeon_irq_kms_init(rdev);
if (r)
return r;
/* Memory manager */
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
rs600_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
rv515_debugfs(rdev);
/* Fence driver */
r = radeon_fence_driver_init(rdev);
- if (r)
- return r;
- r = radeon_irq_kms_init(rdev);
if (r)
return r;
/* Memory manager */
/* enable pcie gen2 link */
rv770_pcie_gen2_enable(rdev);
+ rv770_mc_program(rdev);
+
if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
r = r600_init_microcode(rdev);
if (r) {
if (r)
return r;
- rv770_mc_program(rdev);
if (rdev->flags & RADEON_IS_AGP) {
rv770_agp_enable(rdev);
} else {
return r;
/* Enable IRQ */
+ if (!rdev->irq.installed) {
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ }
+
r = r600_irq_init(rdev);
if (r) {
DRM_ERROR("radeon: IH init failed (%d).\n", r);
if (r)
return r;
- r = radeon_irq_kms_init(rdev);
- if (r)
- return r;
-
rdev->cp.ring_obj = NULL;
r600_ring_init(rdev, 1024 * 1024);
#include "drmP.h"
#include "ttm/ttm_bo_driver.h"
-#define VMW_PPN_SIZE sizeof(unsigned long)
+#define VMW_PPN_SIZE (sizeof(unsigned long))
+/* A future safe maximum remap size. */
+#define VMW_PPN_PER_REMAP ((31 * 1024) / VMW_PPN_SIZE)
static int vmw_gmr2_bind(struct vmw_private *dev_priv,
struct page *pages[],
{
SVGAFifoCmdDefineGMR2 define_cmd;
SVGAFifoCmdRemapGMR2 remap_cmd;
- uint32_t define_size = sizeof(define_cmd) + 4;
- uint32_t remap_size = VMW_PPN_SIZE * num_pages + sizeof(remap_cmd) + 4;
uint32_t *cmd;
uint32_t *cmd_orig;
+ uint32_t define_size = sizeof(define_cmd) + sizeof(*cmd);
+ uint32_t remap_num = num_pages / VMW_PPN_PER_REMAP + ((num_pages % VMW_PPN_PER_REMAP) > 0);
+ uint32_t remap_size = VMW_PPN_SIZE * num_pages + (sizeof(remap_cmd) + sizeof(*cmd)) * remap_num;
+ uint32_t remap_pos = 0;
+ uint32_t cmd_size = define_size + remap_size;
uint32_t i;
- cmd_orig = cmd = vmw_fifo_reserve(dev_priv, define_size + remap_size);
+ cmd_orig = cmd = vmw_fifo_reserve(dev_priv, cmd_size);
if (unlikely(cmd == NULL))
return -ENOMEM;
define_cmd.gmrId = gmr_id;
define_cmd.numPages = num_pages;
+ *cmd++ = SVGA_CMD_DEFINE_GMR2;
+ memcpy(cmd, &define_cmd, sizeof(define_cmd));
+ cmd += sizeof(define_cmd) / sizeof(*cmd);
+
+ /*
+ * Need to split the command if there are too many
+ * pages that goes into the gmr.
+ */
+
remap_cmd.gmrId = gmr_id;
remap_cmd.flags = (VMW_PPN_SIZE > sizeof(*cmd)) ?
SVGA_REMAP_GMR2_PPN64 : SVGA_REMAP_GMR2_PPN32;
- remap_cmd.offsetPages = 0;
- remap_cmd.numPages = num_pages;
- *cmd++ = SVGA_CMD_DEFINE_GMR2;
- memcpy(cmd, &define_cmd, sizeof(define_cmd));
- cmd += sizeof(define_cmd) / sizeof(uint32);
+ while (num_pages > 0) {
+ unsigned long nr = min(num_pages, (unsigned long)VMW_PPN_PER_REMAP);
+
+ remap_cmd.offsetPages = remap_pos;
+ remap_cmd.numPages = nr;
- *cmd++ = SVGA_CMD_REMAP_GMR2;
- memcpy(cmd, &remap_cmd, sizeof(remap_cmd));
- cmd += sizeof(remap_cmd) / sizeof(uint32);
+ *cmd++ = SVGA_CMD_REMAP_GMR2;
+ memcpy(cmd, &remap_cmd, sizeof(remap_cmd));
+ cmd += sizeof(remap_cmd) / sizeof(*cmd);
- for (i = 0; i < num_pages; ++i) {
- if (VMW_PPN_SIZE <= 4)
- *cmd = page_to_pfn(*pages++);
- else
- *((uint64_t *)cmd) = page_to_pfn(*pages++);
+ for (i = 0; i < nr; ++i) {
+ if (VMW_PPN_SIZE <= 4)
+ *cmd = page_to_pfn(*pages++);
+ else
+ *((uint64_t *)cmd) = page_to_pfn(*pages++);
- cmd += VMW_PPN_SIZE / sizeof(*cmd);
+ cmd += VMW_PPN_SIZE / sizeof(*cmd);
+ }
+
+ num_pages -= nr;
+ remap_pos += nr;
}
- vmw_fifo_commit(dev_priv, define_size + remap_size);
+ BUG_ON(cmd != cmd_orig + cmd_size / sizeof(*cmd));
+
+ vmw_fifo_commit(dev_priv, cmd_size);
return 0;
}
struct hid_report_enum *report_enum = device->report_enum + type;
struct hid_report *report;
+ if (id >= HID_MAX_IDS)
+ return NULL;
if (report_enum->report_id_hash[id])
return report_enum->report_id_hash[id];
{
struct hid_report *report;
struct hid_field *field;
- int usages;
+ unsigned usages;
unsigned offset;
- int i;
+ unsigned i;
report = hid_register_report(parser->device, report_type, parser->global.report_id);
if (!report) {
if (!parser->local.usage_index) /* Ignore padding fields */
return 0;
- usages = max_t(int, parser->local.usage_index, parser->global.report_count);
+ usages = max_t(unsigned, parser->local.usage_index,
+ parser->global.report_count);
field = hid_register_field(report, usages, parser->global.report_count);
if (!field)
field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
for (i = 0; i < usages; i++) {
- int j = i;
+ unsigned j = i;
/* Duplicate the last usage we parsed if we have excess values */
if (i >= parser->local.usage_index)
j = parser->local.usage_index - 1;
case HID_GLOBAL_ITEM_TAG_REPORT_ID:
parser->global.report_id = item_udata(item);
- if (parser->global.report_id == 0) {
- dbg_hid("report_id 0 is invalid\n");
+ if (parser->global.report_id == 0 ||
+ parser->global.report_id >= HID_MAX_IDS) {
+ dbg_hid("report_id %u is invalid\n",
+ parser->global.report_id);
return -1;
}
return 0;
for (i = 0; i < HID_REPORT_TYPES; i++) {
struct hid_report_enum *report_enum = device->report_enum + i;
- for (j = 0; j < 256; j++) {
+ for (j = 0; j < HID_MAX_IDS; j++) {
struct hid_report *report = report_enum->report_id_hash[j];
if (report)
hid_free_report(report);
}
EXPORT_SYMBOL_GPL(hid_parse_report);
+static const char * const hid_report_names[] = {
+ "HID_INPUT_REPORT",
+ "HID_OUTPUT_REPORT",
+ "HID_FEATURE_REPORT",
+};
+/**
+ * hid_validate_values - validate existing device report's value indexes
+ *
+ * @device: hid device
+ * @type: which report type to examine
+ * @id: which report ID to examine (0 for first)
+ * @field_index: which report field to examine
+ * @report_counts: expected number of values
+ *
+ * Validate the number of values in a given field of a given report, after
+ * parsing.
+ */
+struct hid_report *hid_validate_values(struct hid_device *hid,
+ unsigned int type, unsigned int id,
+ unsigned int field_index,
+ unsigned int report_counts)
+{
+ struct hid_report *report;
+
+ if (type > HID_FEATURE_REPORT) {
+ hid_err(hid, "invalid HID report type %u\n", type);
+ return NULL;
+ }
+
+ if (id >= HID_MAX_IDS) {
+ hid_err(hid, "invalid HID report id %u\n", id);
+ return NULL;
+ }
+
+ /*
+ * Explicitly not using hid_get_report() here since it depends on
+ * ->numbered being checked, which may not always be the case when
+ * drivers go to access report values.
+ */
+ report = hid->report_enum[type].report_id_hash[id];
+ if (!report) {
+ hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
+ return NULL;
+ }
+ if (report->maxfield <= field_index) {
+ hid_err(hid, "not enough fields in %s %u\n",
+ hid_report_names[type], id);
+ return NULL;
+ }
+ if (report->field[field_index]->report_count < report_counts) {
+ hid_err(hid, "not enough values in %s %u field %u\n",
+ hid_report_names[type], id, field_index);
+ return NULL;
+ }
+ return report;
+}
+EXPORT_SYMBOL_GPL(hid_validate_values);
+
/*
* Convert a signed n-bit integer to signed 32-bit integer. Common
* cases are done through the compiler, the screwed things has to be
int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
{
- unsigned size = field->report_size;
+ unsigned size;
+
+ if (!field)
+ return -1;
+
+ size = field->report_size;
hid_dump_input(field->report->device, field->usage + offset, value);
#define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16 0x0012
#define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17 0x0013
#define USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18 0x0014
+#define USB_DEVICE_ID_NTRIG_DUOSENSE 0x1500
#define USB_VENDOR_ID_ONTRAK 0x0a07
#define USB_DEVICE_ID_ONTRAK_ADU100 0x0064
if (field->flags & HID_MAIN_ITEM_CONSTANT)
goto ignore;
+ /* Ignore if report count is out of bounds. */
+ if (field->report_count < 1)
+ goto ignore;
+
/* only LED usages are supported in output fields */
if (field->report_type == HID_OUTPUT_REPORT &&
(usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {
rep_enum = &hid->report_enum[HID_FEATURE_REPORT];
list_for_each_entry(rep, &rep_enum->report_list, list)
- for (i = 0; i < rep->maxfield; i++)
+ for (i = 0; i < rep->maxfield; i++) {
+ /* Ignore if report count is out of bounds. */
+ if (rep->field[i]->report_count < 1)
+ continue;
+
for (j = 0; j < rep->field[i]->maxusage; j++)
drv->feature_mapping(hid, rep->field[i],
rep->field[i]->usage + j);
+ }
}
/*
struct hid_report *report;
struct hid_input *hidinput = list_entry(hid->inputs.next,
struct hid_input, list);
- struct list_head *report_list =
- &hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct input_dev *dev = hidinput->input;
int error;
- if (list_empty(report_list)) {
- hid_err(hid, "no output report found\n");
+ /* Check that the report looks ok */
+ report = hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7);
+ if (!report)
return -ENODEV;
- }
-
- report = list_entry(report_list->next, struct hid_report, list);
-
- if (report->maxfield < 1) {
- hid_err(hid, "output report is empty\n");
- return -ENODEV;
- }
- if (report->field[0]->report_count < 7) {
- hid_err(hid, "not enough values in the field\n");
- return -ENODEV;
- }
lg2ff = kmalloc(sizeof(struct lg2ff_device), GFP_KERNEL);
if (!lg2ff)
int x, y;
/*
- * Maxusage should always be 63 (maximum fields)
- * likely a better way to ensure this data is clean
+ * Available values in the field should always be 63, but we only use up to
+ * 35. Instead, clear the entire area, however big it is.
*/
- memset(report->field[0]->value, 0, sizeof(__s32)*report->field[0]->maxusage);
+ memset(report->field[0]->value, 0,
+ sizeof(__s32) * report->field[0]->report_count);
switch (effect->type) {
case FF_CONSTANT:
int lg3ff_init(struct hid_device *hid)
{
struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list);
- struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct input_dev *dev = hidinput->input;
- struct hid_report *report;
- struct hid_field *field;
const signed short *ff_bits = ff3_joystick_ac;
int error;
int i;
- /* Find the report to use */
- if (list_empty(report_list)) {
- hid_err(hid, "No output report found\n");
- return -1;
- }
-
/* Check that the report looks ok */
- report = list_entry(report_list->next, struct hid_report, list);
- if (!report) {
- hid_err(hid, "NULL output report\n");
- return -1;
- }
-
- field = report->field[0];
- if (!field) {
- hid_err(hid, "NULL field\n");
- return -1;
- }
+ if (!hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 35))
+ return -ENODEV;
/* Assume single fixed device G940 */
for (i = 0; ff_bits[i] >= 0; i++)
int lg4ff_init(struct hid_device *hid)
{
struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list);
- struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct input_dev *dev = hidinput->input;
- struct hid_report *report;
- struct hid_field *field;
struct lg4ff_device_entry *entry;
struct usb_device_descriptor *udesc;
int error, i, j;
__u16 bcdDevice, rev_maj, rev_min;
- /* Find the report to use */
- if (list_empty(report_list)) {
- hid_err(hid, "No output report found\n");
- return -1;
- }
-
/* Check that the report looks ok */
- report = list_entry(report_list->next, struct hid_report, list);
- if (!report) {
- hid_err(hid, "NULL output report\n");
+ if (!hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7))
return -1;
- }
-
- field = report->field[0];
- if (!field) {
- hid_err(hid, "NULL field\n");
- return -1;
- }
/* Check what wheel has been connected */
for (i = 0; i < ARRAY_SIZE(lg4ff_devices); i++) {
int lgff_init(struct hid_device* hid)
{
struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list);
- struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct input_dev *dev = hidinput->input;
- struct hid_report *report;
- struct hid_field *field;
const signed short *ff_bits = ff_joystick;
int error;
int i;
- /* Find the report to use */
- if (list_empty(report_list)) {
- hid_err(hid, "No output report found\n");
- return -1;
- }
-
/* Check that the report looks ok */
- report = list_entry(report_list->next, struct hid_report, list);
- field = report->field[0];
- if (!field) {
- hid_err(hid, "NULL field\n");
- return -1;
- }
+ if (!hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7))
+ return -ENODEV;
for (i = 0; i < ARRAY_SIZE(devices); i++) {
if (dev->id.vendor == devices[i].idVendor &&
goto hid_parse_fail;
}
+ if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, REPORT_ID_DJ_SHORT,
+ 0, DJREPORT_SHORT_LENGTH - 1)) {
+ retval = -ENODEV;
+ goto hid_parse_fail;
+ }
+
/* Starts the usb device and connects to upper interfaces hiddev and
* hidraw */
retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
struct hid_report *report = hdev->report_enum[HID_FEATURE_REPORT].
report_id_hash[0x0d];
- if (!report)
+ if (!report || report->maxfield < 1 ||
+ report->field[0]->report_count < 1)
return -EINVAL;
usbhid_submit_report(hdev, report, USB_DIR_IN);
buf += 10;
cnt -= 10;
}
- if (!report)
+ if (!report || report->maxfield != 1)
return -EINVAL;
while (cnt > 0 && (buf[cnt-1] == '\n' || buf[cnt-1] == '\r'))
strong = &report->field[0]->value[2];
weak = &report->field[0]->value[3];
debug("detected single-field device");
- } else if (report->maxfield >= 4 && report->field[0]->maxusage == 1 &&
- report->field[0]->usage[0].hid == (HID_UP_LED | 0x43)) {
+ } else if (report->field[0]->maxusage == 1 &&
+ report->field[0]->usage[0].hid ==
+ (HID_UP_LED | 0x43) &&
+ report->maxfield >= 4 &&
+ report->field[0]->report_count >= 1 &&
+ report->field[1]->report_count >= 1 &&
+ report->field[2]->report_count >= 1 &&
+ report->field[3]->report_count >= 1) {
report->field[0]->value[0] = 0x00;
report->field[1]->value[0] = 0x00;
strong = &report->field[2]->value[0];
* Fixes "jumpy" cursor and removes nonexistent keyboard LEDS from
* the HID descriptor.
*
- * Copyright (c) 2011 Stefan Kriwanek <mail@stefankriwanek.de>
+ * Copyright (c) 2011, 2013 Stefan Kriwanek <dev@stefankriwanek.de>
*/
/*
struct hid_usage *usage, __s32 value)
{
/* No other conditions due to usage_table. */
- /* Fix "jumpy" cursor (invalid events sent by device). */
- if (value == 256)
+
+ /* This fixes the "jumpy" cursor occuring due to invalid events sent
+ * by the device. Some devices only send them with value==+256, others
+ * don't. However, catching abs(value)>=256 is restrictive enough not
+ * to interfere with devices that were bug-free (has been tested).
+ */
+ if (abs(value) >= 256)
return 1;
/* Drop useless distance 0 events (on button clicks etc.) as well */
if (value == 0)
struct hid_report *report;
struct hid_input *hidinput = list_entry(hid->inputs.next,
struct hid_input, list);
- struct list_head *report_list =
- &hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct input_dev *dev = hidinput->input;
- int error;
+ int i, error;
- if (list_empty(report_list)) {
- hid_err(hid, "no output report found\n");
- return -ENODEV;
- }
-
- report = list_entry(report_list->next, struct hid_report, list);
-
- if (report->maxfield < 4) {
- hid_err(hid, "not enough fields in report\n");
- return -ENODEV;
+ for (i = 0; i < 4; i++) {
+ report = hid_validate_values(hid, HID_OUTPUT_REPORT, 0, i, 1);
+ if (!report)
+ return -ENODEV;
}
zpff = kzalloc(sizeof(struct zpff_device), GFP_KERNEL);
static struct class *hidraw_class;
static struct hidraw *hidraw_table[HIDRAW_MAX_DEVICES];
static DEFINE_MUTEX(minors_lock);
-static void drop_ref(struct hidraw *hid, int exists_bit);
static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos)
{
}
+static void drop_ref(struct hidraw *hidraw, int exists_bit)
+{
+ if (exists_bit) {
+ hid_hw_close(hidraw->hid);
+ hidraw->exist = 0;
+ if (hidraw->open)
+ wake_up_interruptible(&hidraw->wait);
+ } else {
+ --hidraw->open;
+ }
+
+ if (!hidraw->open && !hidraw->exist) {
+ device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor));
+ hidraw_table[hidraw->minor] = NULL;
+ kfree(hidraw);
+ }
+}
+
static int hidraw_release(struct inode * inode, struct file * file)
{
unsigned int minor = iminor(inode);
struct hidraw_list *list = file->private_data;
- drop_ref(hidraw_table[minor], 0);
+ mutex_lock(&minors_lock);
+
list_del(&list->node);
kfree(list);
+
+ drop_ref(hidraw_table[minor], 0);
+
+ mutex_unlock(&minors_lock);
return 0;
}
void hidraw_disconnect(struct hid_device *hid)
{
struct hidraw *hidraw = hid->hidraw;
+
+ mutex_lock(&minors_lock);
+
drop_ref(hidraw, 1);
+
+ mutex_unlock(&minors_lock);
}
EXPORT_SYMBOL_GPL(hidraw_disconnect);
unregister_chrdev_region(dev_id, HIDRAW_MAX_DEVICES);
}
-
-static void drop_ref(struct hidraw *hidraw, int exists_bit)
-{
- mutex_lock(&minors_lock);
- if (exists_bit) {
- hid_hw_close(hidraw->hid);
- hidraw->exist = 0;
- if (hidraw->open)
- wake_up_interruptible(&hidraw->wait);
- } else {
- --hidraw->open;
- }
-
- if (!hidraw->open && !hidraw->exist) {
- device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor));
- hidraw_table[hidraw->minor] = NULL;
- kfree(hidraw);
- }
- mutex_unlock(&minors_lock);
-}
{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_MULTI_TOUCH, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_SIGMA_MICRO, USB_DEVICE_ID_SIGMA_MICRO_KEYBOARD, HID_QUIRK_NO_INIT_REPORTS },
+ { USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_DUOSENSE, HID_QUIRK_NO_INIT_REPORTS },
+
{ 0, 0 }
};
sizeof(u64));
/* Make sure we flush all writes before updating the writeIndex */
- smp_wmb();
+ wmb();
/* Now, update the write location */
hv_set_next_write_location(outring_info, next_write_location);
* will not deliver any more messages since there is
* no empty slot
*/
- smp_mb();
+ mb();
if (msg->header.message_flags.msg_pending) {
/*
pr_info("found Abit uGuru\n");
/* Register sysfs hooks */
- for (i = 0; i < sysfs_attr_i; i++)
- if (device_create_file(&pdev->dev,
- &data->sysfs_attr[i].dev_attr))
+ for (i = 0; i < sysfs_attr_i; i++) {
+ res = device_create_file(&pdev->dev,
+ &data->sysfs_attr[i].dev_attr);
+ if (res)
goto abituguru_probe_error;
- for (i = 0; i < ARRAY_SIZE(abituguru_sysfs_attr); i++)
- if (device_create_file(&pdev->dev,
- &abituguru_sysfs_attr[i].dev_attr))
+ }
+ for (i = 0; i < ARRAY_SIZE(abituguru_sysfs_attr); i++) {
+ res = device_create_file(&pdev->dev,
+ &abituguru_sysfs_attr[i].dev_attr);
+ if (res)
goto abituguru_probe_error;
+ }
data->hwmon_dev = hwmon_device_register(&pdev->dev);
if (!IS_ERR(data->hwmon_dev))
man_id = i2c_smbus_read_byte_data(client, ADM1021_REG_MAN_ID);
dev_id = i2c_smbus_read_byte_data(client, ADM1021_REG_DEV_ID);
+ if (man_id < 0 || dev_id < 0)
+ return -ENODEV;
+
if (man_id == 0x4d && dev_id == 0x01)
type_name = "max1617a";
else if (man_id == 0x41) {
if ((dev_id & 0xF0) == 0x30)
type_name = "adm1023";
- else
+ else if ((dev_id & 0xF0) == 0x00)
type_name = "adm1021";
+ else
+ return -ENODEV;
} else if (man_id == 0x49)
type_name = "thmc10";
else if (man_id == 0x23)
type_name = "gl523sm";
else if (man_id == 0x54)
type_name = "mc1066";
- /* LM84 Mfr ID in a different place, and it has more unused bits */
- else if (conv_rate == 0x00
- && (config & 0x7F) == 0x00
- && (status & 0xAB) == 0x00)
- type_name = "lm84";
- else
- type_name = "max1617";
+ else {
+ int lte, rte, lhi, rhi, llo, rlo;
+
+ /* extra checks for LM84 and MAX1617 to avoid misdetections */
+
+ llo = i2c_smbus_read_byte_data(client, ADM1021_REG_THYST_R(0));
+ rlo = i2c_smbus_read_byte_data(client, ADM1021_REG_THYST_R(1));
+
+ /* fail if any of the additional register reads failed */
+ if (llo < 0 || rlo < 0)
+ return -ENODEV;
+
+ lte = i2c_smbus_read_byte_data(client, ADM1021_REG_TEMP(0));
+ rte = i2c_smbus_read_byte_data(client, ADM1021_REG_TEMP(1));
+ lhi = i2c_smbus_read_byte_data(client, ADM1021_REG_TOS_R(0));
+ rhi = i2c_smbus_read_byte_data(client, ADM1021_REG_TOS_R(1));
+
+ /*
+ * Fail for negative temperatures and negative high limits.
+ * This check also catches read errors on the tested registers.
+ */
+ if ((s8)lte < 0 || (s8)rte < 0 || (s8)lhi < 0 || (s8)rhi < 0)
+ return -ENODEV;
+
+ /* fail if all registers hold the same value */
+ if (lte == rte && lte == lhi && lte == rhi && lte == llo
+ && lte == rlo)
+ return -ENODEV;
+
+ /*
+ * LM84 Mfr ID is in a different place,
+ * and it has more unused bits.
+ */
+ if (conv_rate == 0x00
+ && (config & 0x7F) == 0x00
+ && (status & 0xAB) == 0x00) {
+ type_name = "lm84";
+ } else {
+ /* fail if low limits are larger than high limits */
+ if ((s8)llo > lhi || (s8)rlo > rhi)
+ return -ENODEV;
+ type_name = "max1617";
+ }
+ }
pr_debug("adm1021: Detected chip %s at adapter %d, address 0x%02x.\n",
type_name, i2c_adapter_id(adapter), client->addr);
u16 value)
{
return i2c_smbus_write_byte_data(client, reg, value & 0xFF)
- && i2c_smbus_write_byte_data(client, reg + 1, value >> 8);
+ || i2c_smbus_write_byte_data(client, reg + 1, value >> 8);
}
static void adt7470_init_client(struct i2c_client *client)
while (begin != end) {
int middle = begin + (end - begin) / 2;
entry = applesmc_get_entry_by_index(middle);
- if (IS_ERR(entry))
+ if (IS_ERR(entry)) {
+ *lo = 0;
return PTR_ERR(entry);
+ }
if (strcmp(entry->key, key) < 0)
begin = middle + 1;
else
while (begin != end) {
int middle = begin + (end - begin) / 2;
entry = applesmc_get_entry_by_index(middle);
- if (IS_ERR(entry))
+ if (IS_ERR(entry)) {
+ *hi = smcreg.key_count;
return PTR_ERR(entry);
+ }
if (strcmp(key, entry->key) < 0)
end = middle;
else
{
struct applesmc_registers *s = &smcreg;
bool left_light_sensor, right_light_sensor;
+ unsigned int count;
u8 tmp[1];
int ret;
if (s->init_complete)
return 0;
- ret = read_register_count(&s->key_count);
+ ret = read_register_count(&count);
if (ret)
return ret;
+ if (s->cache && s->key_count != count) {
+ pr_warn("key count changed from %d to %d\n",
+ s->key_count, count);
+ kfree(s->cache);
+ s->cache = NULL;
+ }
+ s->key_count = count;
+
if (!s->cache)
s->cache = kcalloc(s->key_count, sizeof(*s->cache), GFP_KERNEL);
if (!s->cache)
ATI SB700
ATI SB800
AMD Hudson-2
+ AMD CZ
Serverworks OSB4
Serverworks CSB5
Serverworks CSB6
/* Enable the adapter */
dw_writel(dev, 1, DW_IC_ENABLE);
- /* Enable interrupts */
+ /* Clear and enable interrupts */
+ i2c_dw_clear_int(dev);
dw_writel(dev, DW_IC_INTR_DEFAULT_MASK, DW_IC_INTR_MASK);
}
Intel PIIX4, 440MX
Serverworks OSB4, CSB5, CSB6, HT-1000, HT-1100
ATI IXP200, IXP300, IXP400, SB600, SB700, SB800
- AMD Hudson-2
+ AMD Hudson-2, CZ
SMSC Victory66
Note: we assume there can only be one device, with one SMBus interface.
{ PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP400_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SBX00_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_HUDSON2_SMBUS) },
+ { PCI_DEVICE(PCI_VENDOR_ID_AMD, 0x790b) },
{ PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS,
PCI_DEVICE_ID_SERVERWORKS_OSB4) },
{ PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS,
/* Large PTE found which maps this address */
unmap_size = PTE_PAGE_SIZE(*pte);
+
+ /* Only unmap from the first pte in the page */
+ if ((unmap_size - 1) & bus_addr)
+ break;
count = PAGE_SIZE_PTE_COUNT(unmap_size);
for (i = 0; i < count; i++)
pte[i] = 0ULL;
unmapped += unmap_size;
}
- BUG_ON(!is_power_of_2(unmapped));
+ BUG_ON(unmapped && !is_power_of_2(unmapped));
return unmapped;
}
return order;
}
+static void dma_pte_free_level(struct dmar_domain *domain, int level,
+ struct dma_pte *pte, unsigned long pfn,
+ unsigned long start_pfn, unsigned long last_pfn)
+{
+ pfn = max(start_pfn, pfn);
+ pte = &pte[pfn_level_offset(pfn, level)];
+
+ do {
+ unsigned long level_pfn;
+ struct dma_pte *level_pte;
+
+ if (!dma_pte_present(pte) || dma_pte_superpage(pte))
+ goto next;
+
+ level_pfn = pfn & level_mask(level - 1);
+ level_pte = phys_to_virt(dma_pte_addr(pte));
+
+ if (level > 2)
+ dma_pte_free_level(domain, level - 1, level_pte,
+ level_pfn, start_pfn, last_pfn);
+
+ /* If range covers entire pagetable, free it */
+ if (!(start_pfn > level_pfn ||
+ last_pfn < level_pfn + level_size(level))) {
+ dma_clear_pte(pte);
+ domain_flush_cache(domain, pte, sizeof(*pte));
+ free_pgtable_page(level_pte);
+ }
+next:
+ pfn += level_size(level);
+ } while (!first_pte_in_page(++pte) && pfn <= last_pfn);
+}
+
/* free page table pages. last level pte should already be cleared */
static void dma_pte_free_pagetable(struct dmar_domain *domain,
unsigned long start_pfn,
unsigned long last_pfn)
{
int addr_width = agaw_to_width(domain->agaw) - VTD_PAGE_SHIFT;
- struct dma_pte *first_pte, *pte;
- int total = agaw_to_level(domain->agaw);
- int level;
- unsigned long tmp;
- int large_page = 2;
BUG_ON(addr_width < BITS_PER_LONG && start_pfn >> addr_width);
BUG_ON(addr_width < BITS_PER_LONG && last_pfn >> addr_width);
BUG_ON(start_pfn > last_pfn);
/* We don't need lock here; nobody else touches the iova range */
- level = 2;
- while (level <= total) {
- tmp = align_to_level(start_pfn, level);
-
- /* If we can't even clear one PTE at this level, we're done */
- if (tmp + level_size(level) - 1 > last_pfn)
- return;
-
- do {
- large_page = level;
- first_pte = pte = dma_pfn_level_pte(domain, tmp, level, &large_page);
- if (large_page > level)
- level = large_page + 1;
- if (!pte) {
- tmp = align_to_level(tmp + 1, level + 1);
- continue;
- }
- do {
- if (dma_pte_present(pte)) {
- free_pgtable_page(phys_to_virt(dma_pte_addr(pte)));
- dma_clear_pte(pte);
- }
- pte++;
- tmp += level_size(level);
- } while (!first_pte_in_page(pte) &&
- tmp + level_size(level) - 1 <= last_pfn);
+ dma_pte_free_level(domain, agaw_to_level(domain->agaw),
+ domain->pgd, 0, start_pfn, last_pfn);
- domain_flush_cache(domain, first_pte,
- (void *)pte - (void *)first_pte);
-
- } while (tmp && tmp + level_size(level) - 1 <= last_pfn);
- level++;
- }
/* free pgd */
if (start_pfn == 0 && last_pfn == DOMAIN_MAX_PFN(domain->gaw)) {
free_pgtable_page(domain->pgd);
static void *alloc_buffer_data(struct dm_bufio_client *c, gfp_t gfp_mask,
enum data_mode *data_mode)
{
+ unsigned noio_flag;
+ void *ptr;
+
if (c->block_size <= DM_BUFIO_BLOCK_SIZE_SLAB_LIMIT) {
*data_mode = DATA_MODE_SLAB;
return kmem_cache_alloc(DM_BUFIO_CACHE(c), gfp_mask);
}
*data_mode = DATA_MODE_VMALLOC;
- return __vmalloc(c->block_size, gfp_mask, PAGE_KERNEL);
+
+ /*
+ * __vmalloc allocates the data pages and auxiliary structures with
+ * gfp_flags that were specified, but pagetables are always allocated
+ * with GFP_KERNEL, no matter what was specified as gfp_mask.
+ *
+ * Consequently, we must set per-process flag PF_MEMALLOC_NOIO so that
+ * all allocations done by this process (including pagetables) are done
+ * as if GFP_NOIO was specified.
+ */
+
+ if (gfp_mask & __GFP_NORETRY) {
+ noio_flag = current->flags & PF_MEMALLOC;
+ current->flags |= PF_MEMALLOC;
+ }
+
+ ptr = __vmalloc(c->block_size, gfp_mask, PAGE_KERNEL);
+
+ if (gfp_mask & __GFP_NORETRY)
+ current->flags = (current->flags & ~PF_MEMALLOC) | noio_flag;
+
+ return ptr;
}
/*
*/
static int init_hash_tables(struct dm_snapshot *s)
{
- sector_t hash_size, cow_dev_size, origin_dev_size, max_buckets;
+ sector_t hash_size, cow_dev_size, max_buckets;
/*
* Calculate based on the size of the original volume or
* the COW volume...
*/
cow_dev_size = get_dev_size(s->cow->bdev);
- origin_dev_size = get_dev_size(s->origin->bdev);
max_buckets = calc_max_buckets();
- hash_size = min(origin_dev_size, cow_dev_size) >> s->store->chunk_shift;
+ hash_size = cow_dev_size >> s->store->chunk_shift;
hash_size = min(hash_size, max_buckets);
if (hash_size < 64)
s->pending_pool = mempool_create_slab_pool(MIN_IOS, pending_cache);
if (!s->pending_pool) {
ti->error = "Could not allocate mempool for pending exceptions";
+ r = -ENOMEM;
goto bad_pending_pool;
}
r1_bio->bios[mirror] = NULL;
to_put = bio;
- set_bit(R1BIO_Uptodate, &r1_bio->state);
+ /*
+ * Do not set R1BIO_Uptodate if the current device is
+ * rebuilding or Faulty. This is because we cannot use
+ * such device for properly reading the data back (we could
+ * potentially use it, if the current write would have felt
+ * before rdev->recovery_offset, but for simplicity we don't
+ * check this here.
+ */
+ if (test_bit(In_sync, &conf->mirrors[mirror].rdev->flags) &&
+ !test_bit(Faulty, &conf->mirrors[mirror].rdev->flags))
+ set_bit(R1BIO_Uptodate, &r1_bio->state);
/* Maybe we can clear some bad blocks. */
if (is_badblock(conf->mirrors[mirror].rdev,
* know the original bi_idx, so we just free
* them all
*/
- __bio_for_each_segment(bvec, mbio, j, 0)
+ bio_for_each_segment_all(bvec, mbio, j)
bvec->bv_page = r1_bio->behind_bvecs[j].bv_page;
if (test_bit(WriteMostly, &conf->mirrors[i].rdev->flags))
atomic_inc(&r1_bio->behind_remaining);
sector_t first_bad;
int bad_sectors;
- set_bit(R10BIO_Uptodate, &r10_bio->state);
+ /*
+ * Do not set R10BIO_Uptodate if the current device is
+ * rebuilding or Faulty. This is because we cannot use
+ * such device for properly reading the data back (we could
+ * potentially use it, if the current write would have felt
+ * before rdev->recovery_offset, but for simplicity we don't
+ * check this here.
+ */
+ if (test_bit(In_sync, &conf->mirrors[dev].rdev->flags) &&
+ !test_bit(Faulty, &conf->mirrors[dev].rdev->flags))
+ set_bit(R10BIO_Uptodate, &r10_bio->state);
/* Maybe we can clear some bad blocks. */
if (is_badblock(conf->mirrors[dev].rdev,
ret = dvb_dmxdev_buffer_write(&dmxdevfilter->buffer, buffer2,
buffer2_len);
}
- if (ret < 0) {
- dvb_ringbuffer_flush(&dmxdevfilter->buffer);
+ if (ret < 0)
dmxdevfilter->buffer.error = ret;
- }
if (dmxdevfilter->params.sec.flags & DMX_ONESHOT)
dmxdevfilter->state = DMXDEV_STATE_DONE;
spin_unlock(&dmxdevfilter->dev->lock);
ret = dvb_dmxdev_buffer_write(buffer, buffer1, buffer1_len);
if (ret == buffer1_len)
ret = dvb_dmxdev_buffer_write(buffer, buffer2, buffer2_len);
- if (ret < 0) {
- dvb_ringbuffer_flush(buffer);
+ if (ret < 0)
buffer->error = ret;
- }
spin_unlock(&dmxdevfilter->dev->lock);
wake_up(&buffer->queue);
return 0;
err5:
tasklet_kill(&mantis->tasklet);
dvb_net_release(&mantis->dvbnet);
- dvb_unregister_frontend(mantis->fe);
- dvb_frontend_detach(mantis->fe);
+ if (mantis->fe) {
+ dvb_unregister_frontend(mantis->fe);
+ dvb_frontend_detach(mantis->fe);
+ }
err4:
mantis->demux.dmx.remove_frontend(&mantis->demux.dmx, &mantis->fe_mem);
dev->workqueue = 0;
+ /* init video transfer queues first of all */
+ /* to prevent oops in hdpvr_delete() on error paths */
+ INIT_LIST_HEAD(&dev->free_buff_list);
+ INIT_LIST_HEAD(&dev->rec_buff_list);
+
/* register v4l2_device early so it can be used for printks */
if (v4l2_device_register(&interface->dev, &dev->v4l2_dev)) {
err("v4l2_device_register failed");
if (!dev->workqueue)
goto error;
- /* init video transfer queues */
- INIT_LIST_HEAD(&dev->free_buff_list);
- INIT_LIST_HEAD(&dev->rec_buff_list);
-
dev->options = hdpvr_default_options;
if (default_video_input < HDPVR_VIDEO_INPUTS)
}
mutex_unlock(&dev->io_mutex);
- if (hdpvr_register_videodev(dev, &interface->dev,
- video_nr[atomic_inc_return(&dev_nr)])) {
- v4l2_err(&dev->v4l2_dev, "registering videodev failed\n");
- goto error;
- }
-
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
retval = hdpvr_register_i2c_adapter(dev);
if (retval < 0) {
}
#endif
+ retval = hdpvr_register_videodev(dev, &interface->dev,
+ video_nr[atomic_inc_return(&dev_nr)]);
+ if (retval < 0) {
+ v4l2_err(&dev->v4l2_dev, "registering videodev failed\n");
+ goto reg_fail;
+ }
+
/* let the user know what node this device is now attached to */
v4l2_info(&dev->v4l2_dev, "device now attached to %s\n",
video_device_node_name(dev->video_dev));
struct blocking_notifier_head notifier_list;
int irq;
unsigned long id;
+ uint8_t mode;
};
static int __adp5520_read(struct i2c_client *client,
struct i2c_client *client = to_i2c_client(dev);
struct adp5520_chip *chip = dev_get_drvdata(&client->dev);
- adp5520_clr_bits(chip->dev, ADP5520_MODE_STATUS, ADP5520_nSTNBY);
+ adp5520_read(chip->dev, ADP5520_MODE_STATUS, &chip->mode);
+ /* All other bits are W1C */
+ chip->mode &= ADP5520_BL_EN | ADP5520_DIM_EN | ADP5520_nSTNBY;
+ adp5520_write(chip->dev, ADP5520_MODE_STATUS, 0);
return 0;
}
struct i2c_client *client = to_i2c_client(dev);
struct adp5520_chip *chip = dev_get_drvdata(&client->dev);
- adp5520_set_bits(chip->dev, ADP5520_MODE_STATUS, ADP5520_nSTNBY);
+ adp5520_write(chip->dev, ADP5520_MODE_STATUS, chip->mode);
return 0;
}
#endif
ext_csd[EXT_CSD_SEC_FEATURE_SUPPORT];
card->ext_csd.raw_trim_mult =
ext_csd[EXT_CSD_TRIM_MULT];
+ card->ext_csd.raw_partition_support = ext_csd[EXT_CSD_PARTITION_SUPPORT];
if (card->ext_csd.rev >= 4) {
/*
* Enhanced area feature support -- check whether the eMMC
* card has the Enhanced area enabled. If so, export enhanced
* area offset and size to user by adding sysfs interface.
*/
- card->ext_csd.raw_partition_support = ext_csd[EXT_CSD_PARTITION_SUPPORT];
if ((ext_csd[EXT_CSD_PARTITION_SUPPORT] & 0x2) &&
(ext_csd[EXT_CSD_PARTITION_ATTRIBUTE] & 0x1)) {
hc_erase_grp_sz =
endchoice
-config MMC_ATMELMCI_DMA
- bool "Atmel MCI DMA support"
- depends on MMC_ATMELMCI && (AVR32 || ARCH_AT91SAM9G45) && DMA_ENGINE
- help
- Say Y here to have the Atmel MCI driver use a DMA engine to
- do data transfers and thus increase the throughput and
- reduce the CPU utilization.
-
- If unsure, say N.
-
config MMC_IMX
tristate "Motorola i.MX Multimedia Card Interface support"
depends on ARCH_MX1
void __iomem *regs;
struct scatterlist *sg;
+ unsigned int sg_len;
unsigned int pio_offset;
struct atmel_mci_slot *cur_slot;
data->error = -EINPROGRESS;
host->sg = data->sg;
+ host->sg_len = data->sg_len;
host->data = data;
host->data_chan = NULL;
if (offset == sg->length) {
flush_dcache_page(sg_page(sg));
host->sg = sg = sg_next(sg);
- if (!sg)
+ host->sg_len--;
+ if (!sg || !host->sg_len)
goto done;
offset = 0;
flush_dcache_page(sg_page(sg));
host->sg = sg = sg_next(sg);
- if (!sg)
+ host->sg_len--;
+ if (!sg || !host->sg_len)
goto done;
offset = 4 - remaining;
nbytes += 4;
if (offset == sg->length) {
host->sg = sg = sg_next(sg);
- if (!sg)
+ host->sg_len--;
+ if (!sg || !host->sg_len)
goto done;
offset = 0;
nbytes += remaining;
host->sg = sg = sg_next(sg);
- if (!sg) {
+ host->sg_len--;
+ if (!sg || !host->sg_len) {
atmci_writel(host, ATMCI_TDR, value);
goto done;
}
atmci_readl(host, ATMCI_SR);
clk_disable(host->mck);
-#ifdef CONFIG_MMC_ATMELMCI_DMA
if (host->dma.chan)
dma_release_channel(host->dma.chan);
-#endif
free_irq(platform_get_irq(pdev, 0), host);
iounmap(host->regs);
pio:
if (!desc) {
/* DMA failed, fall back to PIO */
+ tmio_mmc_enable_dma(host, false);
if (ret >= 0)
ret = -EIO;
host->chan_rx = NULL;
}
dev_warn(&host->pdev->dev,
"DMA failed: %d, falling back to PIO\n", ret);
- tmio_mmc_enable_dma(host, false);
}
dev_dbg(&host->pdev->dev, "%s(): desc %p, cookie %d, sg[%d]\n", __func__,
pio:
if (!desc) {
/* DMA failed, fall back to PIO */
+ tmio_mmc_enable_dma(host, false);
if (ret >= 0)
ret = -EIO;
host->chan_tx = NULL;
}
dev_warn(&host->pdev->dev,
"DMA failed: %d, falling back to PIO\n", ret);
- tmio_mmc_enable_dma(host, false);
}
dev_dbg(&host->pdev->dev, "%s(): desc %p, cookie %d\n", __func__,
soft = &pkt.soft.rfc1201;
- lp->hw.copy_from_card(dev, bufnum, 0, &pkt, sizeof(ARC_HDR_SIZE));
+ lp->hw.copy_from_card(dev, bufnum, 0, &pkt, ARC_HDR_SIZE);
if (pkt.hard.offset[0]) {
ofs = pkt.hard.offset[0];
length = 256 - ofs;
struct bonding *bond = netdev_priv(bond_dev);
struct slave *slave, *oldcurrent;
struct sockaddr addr;
+ int old_flags = bond_dev->flags;
u32 old_features = bond_dev->features;
/* slave is not a slave or master is not master of this slave */
* already taken care of above when we detached the slave
*/
if (!USES_PRIMARY(bond->params.mode)) {
- /* unset promiscuity level from slave */
- if (bond_dev->flags & IFF_PROMISC)
+ /* unset promiscuity level from slave
+ * NOTE: The NETDEV_CHANGEADDR call above may change the value
+ * of the IFF_PROMISC flag in the bond_dev, but we need the
+ * value of that flag before that change, as that was the value
+ * when this slave was attached, so we cache at the start of the
+ * function and use it here. Same goes for ALLMULTI below
+ */
+ if (old_flags & IFF_PROMISC)
dev_set_promiscuity(slave_dev, -1);
/* unset allmulti level from slave */
- if (bond_dev->flags & IFF_ALLMULTI)
+ if (old_flags & IFF_ALLMULTI)
dev_set_allmulti(slave_dev, -1);
/* flush master's mc_list from slave */
#define FLEXCAN_MCR_BCC BIT(16)
#define FLEXCAN_MCR_LPRIO_EN BIT(13)
#define FLEXCAN_MCR_AEN BIT(12)
-#define FLEXCAN_MCR_MAXMB(x) ((x) & 0xf)
+#define FLEXCAN_MCR_MAXMB(x) ((x) & 0x1f)
#define FLEXCAN_MCR_IDAM_A (0 << 8)
#define FLEXCAN_MCR_IDAM_B (1 << 8)
#define FLEXCAN_MCR_IDAM_C (2 << 8)
{
struct flexcan_priv *priv = netdev_priv(dev);
struct flexcan_regs __iomem *regs = priv->base;
- unsigned int i;
int err;
u32 reg_mcr, reg_ctrl;
*
*/
reg_mcr = flexcan_read(®s->mcr);
+ reg_mcr &= ~FLEXCAN_MCR_MAXMB(0xff);
reg_mcr |= FLEXCAN_MCR_FRZ | FLEXCAN_MCR_FEN | FLEXCAN_MCR_HALT |
FLEXCAN_MCR_SUPV | FLEXCAN_MCR_WRN_EN |
- FLEXCAN_MCR_IDAM_C;
+ FLEXCAN_MCR_IDAM_C |
+ FLEXCAN_MCR_MAXMB(FLEXCAN_TX_BUF_ID);
dev_dbg(dev->dev.parent, "%s: writing mcr=0x%08x", __func__, reg_mcr);
flexcan_write(reg_mcr, ®s->mcr);
dev_dbg(dev->dev.parent, "%s: writing ctrl=0x%08x", __func__, reg_ctrl);
flexcan_write(reg_ctrl, ®s->ctrl);
- for (i = 0; i < ARRAY_SIZE(regs->cantxfg); i++) {
- flexcan_write(0, ®s->cantxfg[i].can_ctrl);
- flexcan_write(0, ®s->cantxfg[i].can_id);
- flexcan_write(0, ®s->cantxfg[i].data[0]);
- flexcan_write(0, ®s->cantxfg[i].data[1]);
-
- /* put MB into rx queue */
- flexcan_write(FLEXCAN_MB_CNT_CODE(0x4),
- ®s->cantxfg[i].can_ctrl);
- }
+ /* Abort any pending TX, mark Mailbox as INACTIVE */
+ flexcan_write(FLEXCAN_MB_CNT_CODE(0x4),
+ ®s->cantxfg[FLEXCAN_TX_BUF_ID].can_ctrl);
/* acceptance mask/acceptance code (accept everything) */
flexcan_write(0x0, ®s->rxgmask);
rtnl_lock();
err = __rtnl_link_register(&dummy_link_ops);
+ if (err < 0)
+ goto out;
for (i = 0; i < numdummies && !err; i++) {
err = dummy_init_one();
}
if (err < 0)
__rtnl_link_unregister(&dummy_link_ops);
+
+out:
rtnl_unlock();
return err;
if (!dev)
return -ENOMEM;
+ SET_NETDEV_DEV(dev, pdev);
netdev_boot_setup_check(dev);
if (!request_region(ioaddr, EL3_IO_EXTENT, "3c509-isa")) {
return -ENOMEM;
}
+ SET_NETDEV_DEV(dev, device);
netdev_boot_setup_check(dev);
el3_dev_fill(dev, phys_addr, ioaddr, irq, if_port, EL3_EISA);
pm_state_valid:1, /* pci_dev->saved_config_space has sane contents */
open:1,
medialock:1,
- must_free_region:1, /* Flag: if zero, Cardbus owns the I/O region */
large_frames:1, /* accept large frames */
handling_irq:1; /* private in_irq indicator */
/* {get|set}_wol operations are already serialized by rtnl.
unregister_netdev(dev);
iowrite16(TotalReset|0x14, ioaddr + EL3_CMD);
- release_region(dev->base_addr, VORTEX_TOTAL_SIZE);
+ release_region(edev->base_addr, VORTEX_TOTAL_SIZE);
free_netdev(dev);
return 0;
if (rc < 0)
goto out;
+ rc = pci_request_regions(pdev, DRV_NAME);
+ if (rc < 0) {
+ pci_disable_device(pdev);
+ goto out;
+ }
+
unit = vortex_cards_found;
if (global_use_mmio < 0 && (unit >= MAX_UNITS || use_mmio[unit] < 0)) {
if (!ioaddr) /* If mapping fails, fall-back to BAR 0... */
ioaddr = pci_iomap(pdev, 0, 0);
if (!ioaddr) {
+ pci_release_regions(pdev);
pci_disable_device(pdev);
rc = -ENOMEM;
goto out;
ent->driver_data, unit);
if (rc < 0) {
pci_iounmap(pdev, ioaddr);
+ pci_release_regions(pdev);
pci_disable_device(pdev);
goto out;
}
/* PCI-only startup logic */
if (pdev) {
- /* EISA resources already marked, so only PCI needs to do this here */
- /* Ignore return value, because Cardbus drivers already allocate for us */
- if (request_region(dev->base_addr, vci->io_size, print_name) != NULL)
- vp->must_free_region = 1;
-
/* enable bus-mastering if necessary */
if (vci->flags & PCI_USES_MASTER)
pci_set_master(pdev);
&vp->rx_ring_dma);
retval = -ENOMEM;
if (!vp->rx_ring)
- goto free_region;
+ goto free_device;
vp->tx_ring = (struct boom_tx_desc *)(vp->rx_ring + RX_RING_SIZE);
vp->tx_ring_dma = vp->rx_ring_dma + sizeof(struct boom_rx_desc) * RX_RING_SIZE;
+ sizeof(struct boom_tx_desc) * TX_RING_SIZE,
vp->rx_ring,
vp->rx_ring_dma);
-free_region:
- if (vp->must_free_region)
- release_region(dev->base_addr, vci->io_size);
+free_device:
free_netdev(dev);
pr_err(PFX "vortex_probe1 fails. Returns %d\n", retval);
out:
+ sizeof(struct boom_tx_desc) * TX_RING_SIZE,
vp->rx_ring,
vp->rx_ring_dma);
- if (vp->must_free_region)
- release_region(dev->base_addr, vp->io_size);
+
+ pci_release_regions(pdev);
+
free_netdev(dev);
}
return 0;
}
-static void atl1e_tx_map(struct atl1e_adapter *adapter,
- struct sk_buff *skb, struct atl1e_tpd_desc *tpd)
+static int atl1e_tx_map(struct atl1e_adapter *adapter,
+ struct sk_buff *skb, struct atl1e_tpd_desc *tpd)
{
struct atl1e_tpd_desc *use_tpd = NULL;
struct atl1e_tx_buffer *tx_buffer = NULL;
u16 nr_frags;
u16 f;
int segment;
+ int ring_start = adapter->tx_ring.next_to_use;
+ int ring_end;
nr_frags = skb_shinfo(skb)->nr_frags;
segment = (tpd->word3 >> TPD_SEGMENT_EN_SHIFT) & TPD_SEGMENT_EN_MASK;
tx_buffer->length = map_len;
tx_buffer->dma = pci_map_single(adapter->pdev,
skb->data, hdr_len, PCI_DMA_TODEVICE);
+ if (dma_mapping_error(&adapter->pdev->dev, tx_buffer->dma))
+ return -ENOSPC;
+
ATL1E_SET_PCIMAP_TYPE(tx_buffer, ATL1E_TX_PCIMAP_SINGLE);
mapped_len += map_len;
use_tpd->buffer_addr = cpu_to_le64(tx_buffer->dma);
tx_buffer->dma =
pci_map_single(adapter->pdev, skb->data + mapped_len,
map_len, PCI_DMA_TODEVICE);
+
+ if (dma_mapping_error(&adapter->pdev->dev, tx_buffer->dma)) {
+ /* We need to unwind the mappings we've done */
+ ring_end = adapter->tx_ring.next_to_use;
+ adapter->tx_ring.next_to_use = ring_start;
+ while (adapter->tx_ring.next_to_use != ring_end) {
+ tpd = atl1e_get_tpd(adapter);
+ tx_buffer = atl1e_get_tx_buffer(adapter, tpd);
+ pci_unmap_single(adapter->pdev, tx_buffer->dma,
+ tx_buffer->length, PCI_DMA_TODEVICE);
+ }
+ /* Reset the tx rings next pointer */
+ adapter->tx_ring.next_to_use = ring_start;
+ return -ENOSPC;
+ }
+
ATL1E_SET_PCIMAP_TYPE(tx_buffer, ATL1E_TX_PCIMAP_SINGLE);
mapped_len += map_len;
use_tpd->buffer_addr = cpu_to_le64(tx_buffer->dma);
(i * MAX_TX_BUF_LEN),
tx_buffer->length,
DMA_TO_DEVICE);
+
+ if (dma_mapping_error(&adapter->pdev->dev, tx_buffer->dma)) {
+ /* We need to unwind the mappings we've done */
+ ring_end = adapter->tx_ring.next_to_use;
+ adapter->tx_ring.next_to_use = ring_start;
+ while (adapter->tx_ring.next_to_use != ring_end) {
+ tpd = atl1e_get_tpd(adapter);
+ tx_buffer = atl1e_get_tx_buffer(adapter, tpd);
+ dma_unmap_page(&adapter->pdev->dev, tx_buffer->dma,
+ tx_buffer->length, DMA_TO_DEVICE);
+ }
+
+ /* Reset the ring next to use pointer */
+ adapter->tx_ring.next_to_use = ring_start;
+ return -ENOSPC;
+ }
+
ATL1E_SET_PCIMAP_TYPE(tx_buffer, ATL1E_TX_PCIMAP_PAGE);
use_tpd->buffer_addr = cpu_to_le64(tx_buffer->dma);
use_tpd->word2 = (use_tpd->word2 & (~TPD_BUFLEN_MASK)) |
/* The last buffer info contain the skb address,
so it will be free after unmap */
tx_buffer->skb = skb;
+ return 0;
}
static void atl1e_tx_queue(struct atl1e_adapter *adapter, u16 count,
return NETDEV_TX_OK;
}
- atl1e_tx_map(adapter, skb, tpd);
+ if (atl1e_tx_map(adapter, skb, tpd)) {
+ dev_kfree_skb_any(skb);
+ goto out;
+ }
+
atl1e_tx_queue(adapter, tpd_req, tpd);
netdev->trans_start = jiffies; /* NETIF_F_LLTX driver :( */
+out:
spin_unlock_irqrestore(&adapter->tx_lock, flags);
return NETDEV_TX_OK;
}
int i;
u32 val;
+ if (tg3_flag(tp, NO_FWARE_REPORTED))
+ return 0;
+
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
/* Wait up to 20ms for init done. */
for (i = 0; i < 200; i++) {
static int tg3_setup_phy(struct tg3 *, int);
static int tg3_halt_cpu(struct tg3 *, u32);
+static bool tg3_phy_power_bug(struct tg3 *tp)
+{
+ switch (GET_ASIC_REV(tp->pci_chip_rev_id)) {
+ case ASIC_REV_5700:
+ case ASIC_REV_5704:
+ return true;
+ case ASIC_REV_5780:
+ if (tp->phy_flags & TG3_PHYFLG_MII_SERDES)
+ return true;
+ return false;
+ case ASIC_REV_5717:
+ if (!tp->pci_fn)
+ return true;
+ return false;
+ case ASIC_REV_5719:
+ case ASIC_REV_5720:
+ if ((tp->phy_flags & TG3_PHYFLG_PHY_SERDES) &&
+ !tp->pci_fn)
+ return true;
+ return false;
+ }
+
+ return false;
+}
+
static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power)
{
u32 val;
/* The PHY should not be powered down on some chips because
* of bugs.
*/
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
- GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
- (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
- (tp->phy_flags & TG3_PHYFLG_MII_SERDES)) ||
- (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
- !tp->pci_fn))
+ if (tg3_phy_power_bug(tp))
return;
if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
tw32(JMB_REPLENISH_LWM, bdcache_maxcnt);
}
+static inline u32 tg3_lso_rd_dma_workaround_bit(struct tg3 *tp)
+{
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
+ return TG3_LSO_RD_DMA_TX_LENGTH_WA_5719;
+ else
+ return TG3_LSO_RD_DMA_TX_LENGTH_WA_5720;
+}
+
/* tp->lock is held. */
static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
{
tw32_f(RDMAC_MODE, rdmac_mode);
udelay(40);
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719 ||
+ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5720) {
+ for (i = 0; i < TG3_NUM_RDMA_CHANNELS; i++) {
+ if (tr32(TG3_RDMA_LENGTH + (i << 2)) > TG3_MAX_MTU(tp))
+ break;
+ }
+ if (i < TG3_NUM_RDMA_CHANNELS) {
+ val = tr32(TG3_LSO_RD_DMA_CRPTEN_CTRL);
+ val |= tg3_lso_rd_dma_workaround_bit(tp);
+ tw32(TG3_LSO_RD_DMA_CRPTEN_CTRL, val);
+ tg3_flag_set(tp, 5719_5720_RDMA_BUG);
+ }
+ }
+
tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
if (!tg3_flag(tp, 5705_PLUS))
tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
*/
static int tg3_init_hw(struct tg3 *tp, int reset_phy)
{
+ /* Chip may have been just powered on. If so, the boot code may still
+ * be running initialization. Wait for it to finish to avoid races in
+ * accessing the hardware.
+ */
+ tg3_enable_register_access(tp);
+ tg3_poll_fw(tp);
+
tg3_switch_clocks(tp);
tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);
TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST);
TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST);
TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST);
+ if (unlikely(tg3_flag(tp, 5719_5720_RDMA_BUG) &&
+ (sp->tx_ucast_packets.low + sp->tx_mcast_packets.low +
+ sp->tx_bcast_packets.low) > TG3_NUM_RDMA_CHANNELS)) {
+ u32 val;
+
+ val = tr32(TG3_LSO_RD_DMA_CRPTEN_CTRL);
+ val &= ~tg3_lso_rd_dma_workaround_bit(tp);
+ tw32(TG3_LSO_RD_DMA_CRPTEN_CTRL, val);
+ tg3_flag_clear(tp, 5719_5720_RDMA_BUG);
+ }
TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS);
TG3_STAT_ADD32(&sp->rx_fragments, MAC_RX_STATS_FRAGMENTS);
#define TG3_LSO_RD_DMA_CRPTEN_CTRL 0x00004910
#define TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_BD_4K 0x00030000
#define TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_LSO_4K 0x000c0000
-/* 0x4914 --> 0x4c00 unused */
+#define TG3_LSO_RD_DMA_TX_LENGTH_WA_5719 0x02000000
+#define TG3_LSO_RD_DMA_TX_LENGTH_WA_5720 0x00200000
+/* 0x4914 --> 0x4be0 unused */
+
+#define TG3_NUM_RDMA_CHANNELS 4
+#define TG3_RDMA_LENGTH 0x00004be0
/* Write DMA control registers */
#define WDMAC_MODE 0x00004c00
TG3_FLAG_APE_HAS_NCSI,
TG3_FLAG_5717_PLUS,
TG3_FLAG_4K_FIFO_LIMIT,
+ TG3_FLAG_5719_5720_RDMA_BUG,
TG3_FLAG_RESET_TASK_PENDING,
/* Add new flags before this comment and TG3_FLAG_NUMBER_OF_FLAGS */
if (ndev->features & NETIF_F_IP_CSUM)
tctrl |= TCTRL_INIT_CSUM;
- tctrl |= TCTRL_TXSCHED_PRIO;
+ if (priv->prio_sched_en)
+ tctrl |= TCTRL_TXSCHED_PRIO;
+ else {
+ tctrl |= TCTRL_TXSCHED_WRRS;
+ gfar_write(®s->tr03wt, DEFAULT_WRRS_WEIGHT);
+ gfar_write(®s->tr47wt, DEFAULT_WRRS_WEIGHT);
+ }
gfar_write(®s->tctrl, tctrl);
priv->rx_filer_enable = 1;
/* Enable most messages by default */
priv->msg_enable = (NETIF_MSG_IFUP << 1 ) - 1;
+ /* use pritority h/w tx queue scheduling for single queue devices */
+ if (priv->num_tx_queues == 1)
+ priv->prio_sched_en = 1;
/* Carrier starts down, phylib will bring it up */
netif_carrier_off(dev);
#define TCTRL_TFCPAUSE 0x00000008
#define TCTRL_TXSCHED_MASK 0x00000006
#define TCTRL_TXSCHED_INIT 0x00000000
+/* priority scheduling */
#define TCTRL_TXSCHED_PRIO 0x00000002
+/* weighted round-robin scheduling (WRRS) */
#define TCTRL_TXSCHED_WRRS 0x00000004
+/* default WRRS weight and policy setting,
+ * tailored to the tr03wt and tr47wt registers:
+ * equal weight for all Tx Qs, measured in 64byte units
+ */
+#define DEFAULT_WRRS_WEIGHT 0x18181818
+
#define TCTRL_INIT_CSUM (TCTRL_TUCSEN | TCTRL_IPCSEN)
#define IEVENT_INIT_CLEAR 0xffffffff
extended_hash:1,
bd_stash_en:1,
rx_filer_enable:1,
- wol_en:1; /* Wake-on-LAN enabled */
+ wol_en:1, /* Wake-on-LAN enabled */
+ prio_sched_en:1; /* Enable priorty based Tx scheduling in Hw */
unsigned short padding;
/* PHY stuff */
return 0;
no_clock:
+ iounmap(etsects->regs);
no_ioremap:
release_resource(etsects->rsrc);
no_resource:
static int __devinit ibmveth_probe(struct vio_dev *dev,
const struct vio_device_id *id)
{
- int rc, i;
+ int rc, i, mac_len;
struct net_device *netdev;
struct ibmveth_adapter *adapter;
unsigned char *mac_addr_p;
dev->unit_address);
mac_addr_p = (unsigned char *)vio_get_attribute(dev, VETH_MAC_ADDR,
- NULL);
+ &mac_len);
if (!mac_addr_p) {
dev_err(&dev->dev, "Can't find VETH_MAC_ADDR attribute\n");
return -EINVAL;
}
+ /* Workaround for old/broken pHyp */
+ if (mac_len == 8)
+ mac_addr_p += 2;
+ else if (mac_len != 6) {
+ dev_err(&dev->dev, "VETH_MAC_ADDR attribute wrong len %d\n",
+ mac_len);
+ return -EINVAL;
+ }
mcastFilterSize_p = (unsigned int *)vio_get_attribute(dev,
VETH_MCAST_FILTER_SIZE, NULL);
netif_napi_add(netdev, &adapter->napi, ibmveth_poll, 16);
- /*
- * Some older boxes running PHYP non-natively have an OF that returns
- * a 8-byte local-mac-address field (and the first 2 bytes have to be
- * ignored) while newer boxes' OF return a 6-byte field. Note that
- * IEEE 1275 specifies that local-mac-address must be a 6-byte field.
- * The RPA doc specifies that the first byte must be 10b, so we'll
- * just look for it to solve this 8 vs. 6 byte field issue
- */
- if ((*mac_addr_p & 0x3) != 0x02)
- mac_addr_p += 2;
-
adapter->mac_addr = 0;
memcpy(&adapter->mac_addr, mac_addr_p, 6);
/* Enable arbiter */
reg &= ~IXGBE_DPMCS_ARBDIS;
- /* Enable DFP and Recycle mode */
- reg |= (IXGBE_DPMCS_TDPAC | IXGBE_DPMCS_TRM);
reg |= IXGBE_DPMCS_TSOEF;
+
/* Configure Max TSO packet size 34KB including payload and headers */
reg |= (0x4 << IXGBE_DPMCS_MTSOS_SHIFT);
while (1) {
u32 status, len;
- dma_addr_t mapping;
+ dma_addr_t mapping, new_mapping;
struct sk_buff *skb, *new_skb;
struct cp_desc *desc;
const unsigned buflen = cp->rx_buf_sz;
goto rx_next;
}
+ new_mapping = dma_map_single(&cp->pdev->dev, new_skb->data, buflen,
+ PCI_DMA_FROMDEVICE);
+ if (dma_mapping_error(&cp->pdev->dev, new_mapping)) {
+ dev->stats.rx_dropped++;
+ kfree_skb(new_skb);
+ goto rx_next;
+ }
+
dma_unmap_single(&cp->pdev->dev, mapping,
buflen, PCI_DMA_FROMDEVICE);
skb_put(skb, len);
- mapping = dma_map_single(&cp->pdev->dev, new_skb->data, buflen,
- PCI_DMA_FROMDEVICE);
cp->rx_skb[rx_tail] = new_skb;
cp_rx_skb(cp, skb, desc);
rx++;
+ mapping = new_mapping;
rx_next:
cp->rx_ring[rx_tail].opts2 = 0;
TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00;
}
+static void unwind_tx_frag_mapping(struct cp_private *cp, struct sk_buff *skb,
+ int first, int entry_last)
+{
+ int frag, index;
+ struct cp_desc *txd;
+ skb_frag_t *this_frag;
+ for (frag = 0; frag+first < entry_last; frag++) {
+ index = first+frag;
+ cp->tx_skb[index] = NULL;
+ txd = &cp->tx_ring[index];
+ this_frag = &skb_shinfo(skb)->frags[frag];
+ dma_unmap_single(&cp->pdev->dev, le64_to_cpu(txd->addr),
+ skb_frag_size(this_frag), PCI_DMA_TODEVICE);
+ }
+}
+
static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
struct net_device *dev)
{
len = skb->len;
mapping = dma_map_single(&cp->pdev->dev, skb->data, len, PCI_DMA_TODEVICE);
+ if (dma_mapping_error(&cp->pdev->dev, mapping))
+ goto out_dma_error;
+
txd->opts2 = opts2;
txd->addr = cpu_to_le64(mapping);
wmb();
first_len = skb_headlen(skb);
first_mapping = dma_map_single(&cp->pdev->dev, skb->data,
first_len, PCI_DMA_TODEVICE);
+ if (dma_mapping_error(&cp->pdev->dev, first_mapping))
+ goto out_dma_error;
+
cp->tx_skb[entry] = skb;
entry = NEXT_TX(entry);
mapping = dma_map_single(&cp->pdev->dev,
skb_frag_address(this_frag),
len, PCI_DMA_TODEVICE);
+ if (dma_mapping_error(&cp->pdev->dev, mapping)) {
+ unwind_tx_frag_mapping(cp, skb, first_entry, entry);
+ goto out_dma_error;
+ }
+
eor = (entry == (CP_TX_RING_SIZE - 1)) ? RingEnd : 0;
ctrl = eor | len | DescOwn;
if (TX_BUFFS_AVAIL(cp) <= (MAX_SKB_FRAGS + 1))
netif_stop_queue(dev);
+out_unlock:
spin_unlock_irqrestore(&cp->lock, intr_flags);
cpw8(TxPoll, NormalTxPoll);
return NETDEV_TX_OK;
+out_dma_error:
+ kfree_skb(skb);
+ cp->dev->stats.tx_dropped++;
+ goto out_unlock;
}
/* Set or clear the multicast filter for this adaptor.
mapping = dma_map_single(&cp->pdev->dev, skb->data,
cp->rx_buf_sz, PCI_DMA_FROMDEVICE);
+ if (dma_mapping_error(&cp->pdev->dev, mapping)) {
+ kfree_skb(skb);
+ goto err_out;
+ }
cp->rx_skb[i] = skb;
cp->rx_ring[i].opts2 = 0;
return -EIO;
}
-static inline void rtl8169_tso_csum(struct rtl8169_private *tp,
+static bool rtl_skb_pad(struct sk_buff *skb)
+{
+ if (skb_padto(skb, ETH_ZLEN))
+ return false;
+ skb_put(skb, ETH_ZLEN - skb->len);
+ return true;
+}
+
+static bool rtl_test_hw_pad_bug(struct rtl8169_private *tp, struct sk_buff *skb)
+{
+ return skb->len < ETH_ZLEN && tp->mac_version == RTL_GIGA_MAC_VER_34;
+}
+
+static inline bool rtl8169_tso_csum(struct rtl8169_private *tp,
struct sk_buff *skb, u32 *opts)
{
const struct rtl_tx_desc_info *info = tx_desc_info + tp->txd_version;
} else if (skb->ip_summed == CHECKSUM_PARTIAL) {
const struct iphdr *ip = ip_hdr(skb);
+ if (unlikely(rtl_test_hw_pad_bug(tp, skb)))
+ return skb_checksum_help(skb) == 0 && rtl_skb_pad(skb);
+
if (ip->protocol == IPPROTO_TCP)
opts[offset] |= info->checksum.tcp;
else if (ip->protocol == IPPROTO_UDP)
opts[offset] |= info->checksum.udp;
else
WARN_ON_ONCE(1);
+ } else {
+ if (unlikely(rtl_test_hw_pad_bug(tp, skb)))
+ return rtl_skb_pad(skb);
}
+ return true;
}
static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
goto err_stop_0;
}
- /* 8168evl does not automatically pad to minimum length. */
- if (unlikely(tp->mac_version == RTL_GIGA_MAC_VER_34 &&
- skb->len < ETH_ZLEN)) {
- if (skb_padto(skb, ETH_ZLEN))
- goto err_update_stats;
- skb_put(skb, ETH_ZLEN - skb->len);
- }
-
if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
goto err_stop_0;
+ opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(tp, skb));
+ opts[0] = DescOwn;
+
+ if (!rtl8169_tso_csum(tp, skb, opts))
+ goto err_update_stats;
+
len = skb_headlen(skb);
mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(d, mapping))) {
tp->tx_skb[entry].len = len;
txd->addr = cpu_to_le64(mapping);
- opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(tp, skb));
- opts[0] = DescOwn;
-
- rtl8169_tso_csum(tp, skb, opts);
-
frags = rtl8169_xmit_frags(tp, skb, opts);
if (frags < 0)
goto err_dma_1;
.rmcr_value = 0x00000001,
.tx_check = EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | EESR_RTO,
- .eesr_err_check = EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE |
- EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI,
+ .eesr_err_check = EESR_TWB | EESR_TABT | EESR_RABT | EESR_RFE |
+ EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE |
+ EESR_ECI,
.tx_error_check = EESR_TWB | EESR_TABT | EESR_TDE | EESR_TFE,
.apr = 1,
.eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff,
.tx_check = EESR_TC1 | EESR_FTC,
- .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT | \
- EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE | \
- EESR_ECI,
+ .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT |
+ EESR_RFE | EESR_RDE | EESR_RFRMER | EESR_TFE |
+ EESR_TDE | EESR_ECI,
.tx_error_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_TDE | \
EESR_TFE,
.fdr_value = 0x0000072f,
.eesipr_value = DMAC_M_RFRMER | DMAC_M_ECI | 0x003fffff,
.tx_check = EESR_TC1 | EESR_FTC,
- .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT | \
- EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE | \
- EESR_ECI,
+ .eesr_err_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_RABT |
+ EESR_RFE | EESR_RDE | EESR_RFRMER | EESR_TFE |
+ EESR_TDE | EESR_ECI,
.tx_error_check = EESR_TWB1 | EESR_TWB | EESR_TABT | EESR_TDE | \
EESR_TFE,
#define DEFAULT_TX_CHECK (EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | \
EESR_RTO)
-#define DEFAULT_EESR_ERR_CHECK (EESR_TWB | EESR_TABT | EESR_RABT | \
+#define DEFAULT_EESR_ERR_CHECK (EESR_TWB | EESR_TABT | EESR_RABT | EESR_RFE | \
EESR_RDE | EESR_RFRMER | EESR_ADE | \
EESR_TFE | EESR_TDE | EESR_ECI)
#define DEFAULT_TX_ERROR_CHECK (EESR_TWB | EESR_TABT | EESR_ADE | EESR_TDE | \
index = rx_queue->added_count & rx_queue->ptr_mask;
new_buf = efx_rx_buffer(rx_queue, index);
- new_buf->dma_addr = rx_buf->dma_addr ^ (PAGE_SIZE >> 1);
new_buf->u.page = rx_buf->u.page;
+ new_buf->page_offset = rx_buf->page_offset ^ (PAGE_SIZE >> 1);
+ new_buf->dma_addr = state->dma_addr + new_buf->page_offset;
new_buf->len = rx_buf->len;
new_buf->is_page = true;
++rx_queue->added_count;
dev_set_drvdata(&vdev->dev, NULL);
kfree(port);
+
+ unregister_netdev(vp->dev);
}
return 0;
}
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#define DRV_NAME "via-rhine"
-#define DRV_VERSION "1.5.0"
+#define DRV_VERSION "1.5.1"
#define DRV_RELDATE "2010-10-09"
cpu_to_le32(TXDESC | (skb->len >= ETH_ZLEN ? skb->len : ETH_ZLEN));
if (unlikely(vlan_tx_tag_present(skb))) {
- rp->tx_ring[entry].tx_status = cpu_to_le32((vlan_tx_tag_get(skb)) << 16);
+ u16 vid_pcp = vlan_tx_tag_get(skb);
+
+ /* drop CFI/DEI bit, register needs VID and PCP */
+ vid_pcp = (vid_pcp & VLAN_VID_MASK) |
+ ((vid_pcp & VLAN_PRIO_MASK) >> 1);
+ rp->tx_ring[entry].tx_status = cpu_to_le32((vid_pcp) << 16);
/* request tagging */
rp->tx_ring[entry].desc_length |= cpu_to_le32(0x020000);
}
lp->rx_bd_p + (sizeof(*lp->rx_bd_v) * (RX_BD_NUM - 1)));
lp->dma_out(lp, TX_CURDESC_PTR, lp->tx_bd_p);
+ /* Init descriptor indexes */
+ lp->tx_bd_ci = 0;
+ lp->tx_bd_next = 0;
+ lp->tx_bd_tail = 0;
+ lp->rx_bd_ci = 0;
+
return 0;
out:
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/moduleparam.h>
+#include <linux/sched.h>
#include <net/pkt_sched.h>
#include <net/net_namespace.h>
rtnl_lock();
err = __rtnl_link_register(&ifb_link_ops);
+ if (err < 0)
+ goto out;
- for (i = 0; i < numifbs && !err; i++)
+ for (i = 0; i < numifbs && !err; i++) {
err = ifb_init_one(i);
+ cond_resched();
+ }
if (err)
__rtnl_link_unregister(&ifb_link_ops);
+
+out:
rtnl_unlock();
return err;
}
if (port->passthru)
- vlan = list_first_entry(&port->vlans, struct macvlan_dev, list);
+ vlan = list_first_or_null_rcu(&port->vlans,
+ struct macvlan_dev, list);
else
vlan = macvlan_hash_lookup(port, eth->h_dest);
if (vlan == NULL)
if (err < 0)
goto destroy_port;
- list_add_tail(&vlan->list, &port->vlans);
+ list_add_tail_rcu(&vlan->list, &port->vlans);
netif_stacked_transfer_operstate(lowerdev, dev);
return 0;
{
struct macvlan_dev *vlan = netdev_priv(dev);
- list_del(&vlan->list);
+ list_del_rcu(&vlan->list);
unregister_netdevice_queue(dev, head);
}
EXPORT_SYMBOL_GPL(macvlan_dellink);
return -EMSGSIZE;
num_pages = get_user_pages_fast(base, size, 0, &page[i]);
if (num_pages != size) {
- for (i = 0; i < num_pages; i++)
- put_page(page[i]);
+ int j;
+
+ for (j = 0; j < num_pages; j++)
+ put_page(page[i + j]);
return -EFAULT;
}
truesize = size * PAGE_SIZE;
return 0;
}
+static unsigned long iov_pages(const struct iovec *iv, int offset,
+ unsigned long nr_segs)
+{
+ unsigned long seg, base;
+ int pages = 0, len, size;
+
+ while (nr_segs && (offset >= iv->iov_len)) {
+ offset -= iv->iov_len;
+ ++iv;
+ --nr_segs;
+ }
+
+ for (seg = 0; seg < nr_segs; seg++) {
+ base = (unsigned long)iv[seg].iov_base + offset;
+ len = iv[seg].iov_len - offset;
+ size = ((base & ~PAGE_MASK) + len + ~PAGE_MASK) >> PAGE_SHIFT;
+ pages += size;
+ offset = 0;
+ }
+
+ return pages;
+}
/* Get packet from user space buffer */
static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m,
int vnet_hdr_len = 0;
int copylen = 0;
bool zerocopy = false;
+ size_t linear;
if (q->flags & IFF_VNET_HDR) {
vnet_hdr_len = q->vnet_hdr_sz;
if (unlikely(count > UIO_MAXIOV))
goto err;
- if (m && m->msg_control && sock_flag(&q->sk, SOCK_ZEROCOPY))
- zerocopy = true;
+ if (m && m->msg_control && sock_flag(&q->sk, SOCK_ZEROCOPY)) {
+ copylen = vnet_hdr.hdr_len ? vnet_hdr.hdr_len : GOODCOPY_LEN;
+ linear = copylen;
+ if (iov_pages(iv, vnet_hdr_len + copylen, count)
+ <= MAX_SKB_FRAGS)
+ zerocopy = true;
+ }
- if (zerocopy) {
- /* Userspace may produce vectors with count greater than
- * MAX_SKB_FRAGS, so we need to linearize parts of the skb
- * to let the rest of data to be fit in the frags.
- */
- if (count > MAX_SKB_FRAGS) {
- copylen = iov_length(iv, count - MAX_SKB_FRAGS);
- if (copylen < vnet_hdr_len)
- copylen = 0;
- else
- copylen -= vnet_hdr_len;
- }
- /* There are 256 bytes to be copied in skb, so there is enough
- * room for skb expand head in case it is used.
- * The rest buffer is mapped from userspace.
- */
- if (copylen < vnet_hdr.hdr_len)
- copylen = vnet_hdr.hdr_len;
- if (!copylen)
- copylen = GOODCOPY_LEN;
- } else
+ if (!zerocopy) {
copylen = len;
+ linear = vnet_hdr.hdr_len;
+ }
skb = macvtap_alloc_skb(&q->sk, NET_IP_ALIGN, copylen,
- vnet_hdr.hdr_len, noblock, &err);
+ linear, noblock, &err);
if (!skb)
goto err;
if (zerocopy)
err = zerocopy_sg_from_iovec(skb, iv, vnet_hdr_len, count);
- else
+ else {
err = skb_copy_datagram_from_iovec(skb, 0, iv, vnet_hdr_len,
len);
+ if (!err && m && m->msg_control) {
+ struct ubuf_info *uarg = m->msg_control;
+ uarg->callback(uarg);
+ }
+ }
+
if (err)
goto err_kfree;
nf_reset(skb);
skb->ip_summed = CHECKSUM_NONE;
- ip_select_ident(iph, &rt->dst, NULL);
+ ip_select_ident(skb, &rt->dst, NULL);
ip_send_check(iph);
ip_local_out(skb);
int offset = 0;
if (!(tun->flags & TUN_NO_PI)) {
- if ((len -= sizeof(pi)) > count)
+ if (len < sizeof(pi))
return -EINVAL;
+ len -= sizeof(pi);
if (memcpy_fromiovecend((void *)&pi, iv, 0, sizeof(pi)))
return -EFAULT;
}
if (tun->flags & TUN_VNET_HDR) {
- if ((len -= tun->vnet_hdr_sz) > count)
+ if (len < tun->vnet_hdr_sz)
return -EINVAL;
+ len -= tun->vnet_hdr_sz;
if (memcpy_fromiovecend((void *)&gso, iv, offset, sizeof(gso)))
return -EFAULT;
.bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET,
.bInterfaceProtocol = USB_CDC_PROTO_NONE,
.driver_info = (unsigned long)&wwan_info,
+}, {
+ /* Telit modules */
+ USB_VENDOR_AND_INTERFACE_INFO(0x1bc7, USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
+ .driver_info = (kernel_ulong_t) &wwan_info,
}, {
USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
rx_ctl |= 0x02;
} else if (net->flags & IFF_ALLMULTI ||
netdev_mc_count(net) > DM_MAX_MCAST) {
- rx_ctl |= 0x04;
+ rx_ctl |= 0x08;
} else if (!netdev_mc_empty(net)) {
struct netdev_hw_addr *ha;
#define EEPROM_MAC_OFFSET (0x01)
#define DEFAULT_TX_CSUM_ENABLE (true)
#define DEFAULT_RX_CSUM_ENABLE (true)
-#define DEFAULT_TSO_ENABLE (true)
#define SMSC75XX_INTERNAL_PHY_ID (1)
#define SMSC75XX_TX_OVERHEAD (8)
#define MAX_RX_FIFO_SIZE (20 * 1024)
INIT_WORK(&pdata->set_multicast, smsc75xx_deferred_multicast_write);
- if (DEFAULT_TX_CSUM_ENABLE) {
+ if (DEFAULT_TX_CSUM_ENABLE)
dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
- if (DEFAULT_TSO_ENABLE)
- dev->net->features |= NETIF_F_SG |
- NETIF_F_TSO | NETIF_F_TSO6;
- }
+
if (DEFAULT_RX_CSUM_ENABLE)
dev->net->features |= NETIF_F_RXCSUM;
dev->net->hw_features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
- NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_RXCSUM;
+ NETIF_F_RXCSUM;
/* Init all registers */
ret = smsc75xx_reset(dev);
{
u32 tx_cmd_a, tx_cmd_b;
- skb_linearize(skb);
-
if (skb_headroom(skb) < SMSC75XX_TX_OVERHEAD) {
struct sk_buff *skb2 =
skb_copy_expand(skb, SMSC75XX_TX_OVERHEAD, 0, flags);
{
struct virtnet_info *vi = container_of(napi, struct virtnet_info, napi);
void *buf;
- unsigned int len, received = 0;
+ unsigned int r, len, received = 0;
again:
while (received < budget &&
/* Out of packets? */
if (received < budget) {
+ r = virtqueue_enable_cb_prepare(vi->rvq);
napi_complete(napi);
- if (unlikely(!virtqueue_enable_cb(vi->rvq)) &&
+ if (unlikely(virtqueue_poll(vi->rvq, r)) &&
napi_schedule_prep(napi)) {
virtqueue_disable_cb(vi->rvq);
__napi_schedule(napi);
struct frad_local *flp;
struct net_device *master, *slave;
int err;
+ bool found = false;
+
+ rtnl_lock();
/* validate slave device */
master = __dev_get_by_name(&init_net, dlci->devname);
- if (!master)
- return -ENODEV;
+ if (!master) {
+ err = -ENODEV;
+ goto out;
+ }
+
+ list_for_each_entry(dlp, &dlci_devs, list) {
+ if (dlp->master == master) {
+ found = true;
+ break;
+ }
+ }
+ if (!found) {
+ err = -ENODEV;
+ goto out;
+ }
if (netif_running(master)) {
- return -EBUSY;
+ err = -EBUSY;
+ goto out;
}
dlp = netdev_priv(master);
slave = dlp->slave;
flp = netdev_priv(slave);
- rtnl_lock();
err = (*flp->deassoc)(slave, master);
if (!err) {
list_del(&dlp->list);
dev_put(slave);
}
+out:
rtnl_unlock();
-
return err;
}
Also required for changing debug message flags at run time.
-config ATH9K_RATE_CONTROL
+config ATH9K_LEGACY_RATE_CONTROL
bool "Atheros ath9k rate control"
depends on ATH9K
- default y
+ default n
---help---
Say Y, if you want to use the ath9k specific rate control
- module instead of minstrel_ht.
+ module instead of minstrel_ht. Be warned that there are various
+ issues with the ath9k RC and minstrel is a more robust algorithm.
+ Note that even if this option is selected, "ath9k_rate_control"
+ has to be passed to mac80211 using the module parameter,
+ ieee80211_default_rc_algo.
config ATH9K_HTC
tristate "Atheros HTC based wireless cards support"
recv.o \
xmit.o \
-ath9k-$(CONFIG_ATH9K_RATE_CONTROL) += rc.o
+ath9k-$(CONFIG_ATH9K_LEGACY_RATE_CONTROL) += rc.o
ath9k-$(CONFIG_ATH9K_PCI) += pci.o
ath9k-$(CONFIG_ATH9K_AHB) += ahb.o
ath9k-$(CONFIG_ATH9K_DEBUGFS) += debug.o
static void ar9003_hw_ant_ctrl_apply(struct ath_hw *ah, bool is2ghz)
{
int chain;
- u32 regval;
+ u32 regval, value;
u32 ant_div_ctl1;
static const u32 switch_chain_reg[AR9300_MAX_CHAINS] = {
AR_PHY_SWITCH_CHAIN_0,
AR_PHY_SWITCH_CHAIN_2,
};
- u32 value = ar9003_hw_ant_ctrl_common_get(ah, is2ghz);
+ if (AR_SREV_9485(ah) && (ar9003_hw_get_rx_gain_idx(ah) == 0))
+ ath9k_hw_cfg_output(ah, AR9300_EXT_LNA_CTL_GPIO_AR9485,
+ AR_GPIO_OUTPUT_MUX_AS_PCIE_ATTENTION_LED);
+
+ value = ar9003_hw_ant_ctrl_common_get(ah, is2ghz);
if (AR_SREV_9462(ah)) {
if (AR_SREV_9462_10(ah)) {
* is_on == 0 means MRC CCK is OFF (more noise imm)
*/
bool is_on = param ? 1 : 0;
+
+ if (ah->caps.rx_chainmask == 1)
+ break;
+
REG_RMW_FIELD(ah, AR_PHY_MRC_CCK_CTRL,
AR_PHY_MRC_CCK_ENABLE, is_on);
REG_RMW_FIELD(ah, AR_PHY_MRC_CCK_CTRL,
#define AR_PHY_CCA_NOM_VAL_9330_2GHZ -118
+#define AR9300_EXT_LNA_CTL_GPIO_AR9485 9
+
/*
* AGC Field Definitions
*/
sizeof(struct ath_buf_state)); \
} while (0)
-#define ATH_RXBUF_RESET(_bf) do { \
- (_bf)->bf_stale = false; \
- } while (0)
-
/**
* enum buffer_type - Buffer type flags
*
struct ath_buf *rx_bufptr;
struct ath_rx_edma rx_edma[ATH9K_RX_QUEUE_MAX];
+ struct ath_buf *buf_hold;
struct sk_buff *frag;
};
if (!caldata) {
chan->noisefloor = nf;
- ah->noise = ath9k_hw_getchan_noise(ah, chan);
return false;
}
ah->caldata->channel = chan->channel;
ah->caldata->channelFlags = chan->channelFlags & ~CHANNEL_CW_INT;
+ ah->caldata->chanmode = chan->chanmode;
h = ah->caldata->nfCalHist;
default_nf = ath9k_hw_get_default_nf(ah, chan);
for (i = 0; i < NUM_NF_READINGS; i++) {
if (error != 0)
goto err_rx;
+ ath9k_hw_disable(priv->ah);
#ifdef CONFIG_MAC80211_LEDS
/* must be initialized before ieee80211_register_hw */
priv->led_cdev.default_trigger = ieee80211_create_tpt_led_trigger(priv->hw,
struct ieee80211_conf *cur_conf = &priv->hw->conf;
bool txok;
int slot;
+ int hdrlen, padsize;
slot = strip_drv_header(priv, skb);
if (slot < 0) {
ath9k_htc_tx_clear_slot(priv, slot);
+ /* Remove padding before handing frame back to mac80211 */
+ hdrlen = ieee80211_get_hdrlen_from_skb(skb);
+
+ padsize = hdrlen & 3;
+ if (padsize && skb->len > hdrlen + padsize) {
+ memmove(skb->data + padsize, skb->data, hdrlen);
+ skb_pull(skb, padsize);
+ }
+
/* Send status to mac80211 */
ieee80211_tx_status(priv->hw, skb);
}
if (caldata &&
(chan->channel != caldata->channel ||
(chan->channelFlags & ~CHANNEL_CW_INT) !=
- (caldata->channelFlags & ~CHANNEL_CW_INT))) {
+ (caldata->channelFlags & ~CHANNEL_CW_INT) ||
+ chan->chanmode != caldata->chanmode)) {
/* Operating channel changed, reset channel calibration data */
memset(caldata, 0, sizeof(*caldata));
ath9k_init_nfcal_hist_buffer(ah, chan);
struct ath9k_hw_cal_data {
u16 channel;
u32 channelFlags;
+ u32 chanmode;
int32_t CalValid;
int8_t iCoff;
int8_t qCoff;
BIT(NL80211_IFTYPE_ADHOC) |
BIT(NL80211_IFTYPE_MESH_POINT);
- if (AR_SREV_5416(sc->sc_ah))
- hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
+ hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
sc->ant_rx = hw->wiphy->available_antennas_rx;
sc->ant_tx = hw->wiphy->available_antennas_tx;
-#ifdef CONFIG_ATH9K_RATE_CONTROL
- hw->rate_control_algorithm = "ath9k_rate_control";
-#endif
-
if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_2GHZ)
hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
&sc->sbands[IEEE80211_BAND_2GHZ];
ath_update_survey_stats(sc);
spin_unlock_irqrestore(&common->cc_lock, flags);
- /*
- * Preserve the current channel values, before updating
- * the same channel
- */
- if (ah->curchan && (old_pos == pos))
- ath9k_hw_getnf(ah, ah->curchan);
-
ath9k_cmn_update_ichannel(&sc->sc_ah->channels[pos],
curchan, conf->channel_type);
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_node *an = (struct ath_node *) sta->drv_priv;
struct ieee80211_key_conf ps_key = { };
+ int key;
ath_node_attach(sc, sta);
vif->type != NL80211_IFTYPE_AP_VLAN)
return 0;
- an->ps_key = ath_key_config(common, vif, sta, &ps_key);
+ key = ath_key_config(common, vif, sta, &ps_key);
+ if (key > 0)
+ an->ps_key = key;
return 0;
}
return;
ath_key_delete(common, &ps_key);
+ an->ps_key = 0;
}
static int ath9k_sta_remove(struct ieee80211_hw *hw,
struct ath_rc_stats rcstats[RATE_TABLE_SIZE];
};
-#ifdef CONFIG_ATH9K_RATE_CONTROL
+#ifdef CONFIG_ATH9K_LEGACY_RATE_CONTROL
int ath_rate_control_register(void);
void ath_rate_control_unregister(void);
#else
struct ath_desc *ds;
struct sk_buff *skb;
- ATH_RXBUF_RESET(bf);
-
ds = bf->bf_desc;
ds->ds_link = 0; /* link to null */
ds->ds_data = bf->bf_buf_addr;
sc->rx.rxlink = &ds->ds_link;
}
+static void ath_rx_buf_relink(struct ath_softc *sc, struct ath_buf *bf)
+{
+ if (sc->rx.buf_hold)
+ ath_rx_buf_link(sc, sc->rx.buf_hold);
+
+ sc->rx.buf_hold = bf;
+}
+
static void ath_setdefantenna(struct ath_softc *sc, u32 antenna)
{
/* XXX block beacon interrupts */
skb = bf->bf_mpdu;
- ATH_RXBUF_RESET(bf);
memset(skb->data, 0, ah->caps.rx_status_len);
dma_sync_single_for_device(sc->dev, bf->bf_buf_addr,
ah->caps.rx_status_len, DMA_TO_DEVICE);
if (list_empty(&sc->rx.rxbuf))
goto start_recv;
+ sc->rx.buf_hold = NULL;
sc->rx.rxlink = NULL;
list_for_each_entry_safe(bf, tbf, &sc->rx.rxbuf, list) {
ath_rx_buf_link(sc, bf);
}
bf = list_first_entry(&sc->rx.rxbuf, struct ath_buf, list);
+ if (bf == sc->rx.buf_hold)
+ return NULL;
+
ds = bf->bf_desc;
/*
if (edma) {
ath_rx_edma_buf_link(sc, qtype);
} else {
- ath_rx_buf_link(sc, bf);
+ ath_rx_buf_relink(sc, bf);
ath9k_hw_rxena(ah);
}
} while (1);
for (acno = 0, ac = &an->ac[acno];
acno < WME_NUM_AC; acno++, ac++) {
ac->sched = false;
+ ac->clear_ps_filter = true;
ac->txq = sc->tx.txq_map[acno];
INIT_LIST_HEAD(&ac->tid_q);
}
config B43_BCMA
bool "Support for BCMA bus"
- depends on B43 && BCMA
+ depends on B43 && (BCMA = y || BCMA = B43)
default y
config B43_SSB
bool
- depends on B43 && SSB
+ depends on B43 && (SSB = y || SSB = B43)
default y
# Auto-select SSB PCI-HOST support, if possible
sync_descbuffer_for_device(ring, dmaaddr, ring->rx_buffersize);
}
+void b43_dma_handle_rx_overflow(struct b43_dmaring *ring)
+{
+ int current_slot, previous_slot;
+
+ B43_WARN_ON(ring->tx);
+
+ /* Device has filled all buffers, drop all packets and let TCP
+ * decrease speed.
+ * Decrement RX index by one will let the device to see all slots
+ * as free again
+ */
+ /*
+ *TODO: How to increase rx_drop in mac80211?
+ */
+ current_slot = ring->ops->get_current_rxslot(ring);
+ previous_slot = prev_slot(ring, current_slot);
+ ring->ops->set_current_rxslot(ring, previous_slot);
+}
+
void b43_dma_rx(struct b43_dmaring *ring)
{
const struct b43_dma_ops *ops = ring->ops;
/* DMA-Interrupt reasons. */
#define B43_DMAIRQ_FATALMASK ((1 << 10) | (1 << 11) | (1 << 12) \
| (1 << 14) | (1 << 15))
-#define B43_DMAIRQ_NONFATALMASK (1 << 13)
+#define B43_DMAIRQ_RDESC_UFLOW (1 << 13)
#define B43_DMAIRQ_RX_DONE (1 << 16)
/*** 32-bit DMA Engine. ***/
void b43_dma_handle_txstatus(struct b43_wldev *dev,
const struct b43_txstatus *status);
+void b43_dma_handle_rx_overflow(struct b43_dmaring *ring);
+
void b43_dma_rx(struct b43_dmaring *ring);
void b43_dma_direct_fifo_rx(struct b43_wldev *dev,
}
}
- if (unlikely(merged_dma_reason & (B43_DMAIRQ_FATALMASK |
- B43_DMAIRQ_NONFATALMASK))) {
- if (merged_dma_reason & B43_DMAIRQ_FATALMASK) {
- b43err(dev->wl, "Fatal DMA error: "
- "0x%08X, 0x%08X, 0x%08X, "
- "0x%08X, 0x%08X, 0x%08X\n",
- dma_reason[0], dma_reason[1],
- dma_reason[2], dma_reason[3],
- dma_reason[4], dma_reason[5]);
- b43err(dev->wl, "This device does not support DMA "
+ if (unlikely(merged_dma_reason & (B43_DMAIRQ_FATALMASK))) {
+ b43err(dev->wl,
+ "Fatal DMA error: 0x%08X, 0x%08X, 0x%08X, 0x%08X, 0x%08X, 0x%08X\n",
+ dma_reason[0], dma_reason[1],
+ dma_reason[2], dma_reason[3],
+ dma_reason[4], dma_reason[5]);
+ b43err(dev->wl, "This device does not support DMA "
"on your system. It will now be switched to PIO.\n");
- /* Fall back to PIO transfers if we get fatal DMA errors! */
- dev->use_pio = 1;
- b43_controller_restart(dev, "DMA error");
- return;
- }
- if (merged_dma_reason & B43_DMAIRQ_NONFATALMASK) {
- b43err(dev->wl, "DMA error: "
- "0x%08X, 0x%08X, 0x%08X, "
- "0x%08X, 0x%08X, 0x%08X\n",
- dma_reason[0], dma_reason[1],
- dma_reason[2], dma_reason[3],
- dma_reason[4], dma_reason[5]);
- }
+ /* Fall back to PIO transfers if we get fatal DMA errors! */
+ dev->use_pio = true;
+ b43_controller_restart(dev, "DMA error");
+ return;
}
if (unlikely(reason & B43_IRQ_UCODE_DEBUG))
handle_irq_noise(dev);
/* Check the DMA reason registers for received data. */
+ if (dma_reason[0] & B43_DMAIRQ_RDESC_UFLOW) {
+ if (B43_DEBUG)
+ b43warn(dev->wl, "RX descriptor underrun\n");
+ b43_dma_handle_rx_overflow(dev->dma.rx_ring);
+ }
if (dma_reason[0] & B43_DMAIRQ_RX_DONE) {
if (b43_using_pio_transfers(dev))
b43_pio_rx(dev->pio.rx_queue);
return IRQ_NONE;
dev->dma_reason[0] = b43_read32(dev, B43_MMIO_DMA0_REASON)
- & 0x0001DC00;
+ & 0x0001FC00;
dev->dma_reason[1] = b43_read32(dev, B43_MMIO_DMA1_REASON)
& 0x0000DC00;
dev->dma_reason[2] = b43_read32(dev, B43_MMIO_DMA2_REASON)
for (i = 0; i < B43_NR_FWTYPES; i++) {
errmsg = ctx->errors[i];
if (strlen(errmsg))
- b43err(dev->wl, errmsg);
+ b43err(dev->wl, "%s", errmsg);
}
b43_print_fw_helptext(dev->wl, 1);
err = -ENOENT;
b43_write32(dev, 0x018C, 0x02000000);
}
b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, 0x00004000);
- b43_write32(dev, B43_MMIO_DMA0_IRQ_MASK, 0x0001DC00);
+ b43_write32(dev, B43_MMIO_DMA0_IRQ_MASK, 0x0001FC00);
b43_write32(dev, B43_MMIO_DMA1_IRQ_MASK, 0x0000DC00);
b43_write32(dev, B43_MMIO_DMA2_IRQ_MASK, 0x0000DC00);
b43_write32(dev, B43_MMIO_DMA3_IRQ_MASK, 0x0001DC00);
cancel_work_sync(&wldev->restart_work);
B43legacy_WARN_ON(!wl);
+ if (!wldev->fw.ucode)
+ return; /* NULL if fw never loaded */
if (wl->current_dev == wldev)
ieee80211_unregister_hw(wl->hw);
data->length = prism2_ap_get_sta_qual(local, addr, qual, IW_MAX_AP, 1);
- memcpy(extra, &addr, sizeof(struct sockaddr) * data->length);
+ memcpy(extra, addr, sizeof(struct sockaddr) * data->length);
data->flags = 1; /* has quality information */
- memcpy(extra + sizeof(struct sockaddr) * data->length, &qual,
+ memcpy(extra + sizeof(struct sockaddr) * data->length, qual,
sizeof(struct iw_quality) * data->length);
kfree(addr);
return 0;
}
+EXPORT_SYMBOL(iwl_legacy_force_reset);
int
iwl_legacy_mac_change_interface(struct ieee80211_hw *hw,
* is killed. Hence update the killswitch state here. The
* rfkill handler will care about restarting if needed.
*/
- if (!test_bit(STATUS_ALIVE, &priv->status)) {
- if (hw_rf_kill)
- set_bit(STATUS_RF_KILL_HW, &priv->status);
- else
- clear_bit(STATUS_RF_KILL_HW, &priv->status);
- wiphy_rfkill_set_hw_state(priv->hw->wiphy, hw_rf_kill);
+ if (hw_rf_kill) {
+ set_bit(STATUS_RF_KILL_HW, &priv->status);
+ } else {
+ clear_bit(STATUS_RF_KILL_HW, &priv->status);
+ iwl_legacy_force_reset(priv, true);
}
+ wiphy_rfkill_set_hw_state(priv->hw->wiphy, hw_rf_kill);
handled |= CSR_INT_BIT_RF_KILL;
}
priv->active_rate = IWL_RATES_MASK;
+ iwl_legacy_power_update_mode(priv, true);
+ IWL_DEBUG_INFO(priv, "Updated power mode\n");
+
if (iwl_legacy_is_associated_ctx(ctx)) {
struct iwl_legacy_rxon_cmd *active_rxon =
(struct iwl_legacy_rxon_cmd *)&ctx->active;
IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n");
wake_up(&priv->wait_command_queue);
- iwl_legacy_power_update_mode(priv, true);
- IWL_DEBUG_INFO(priv, "Updated power mode\n");
-
return;
restart:
memcpy(&lq, priv->stations[i].lq,
sizeof(struct iwl_link_quality_cmd));
- if (!memcmp(&lq, &zero_lq, sizeof(lq)))
+ if (memcmp(&lq, &zero_lq, sizeof(lq)))
send_lq = true;
}
spin_unlock_irqrestore(&priv->shrd->sta_lock,
BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
if (ret)
return ret;
- } else {
+ } else if (priv->cfg->bt_params) {
/*
* default is 2-wire BT coexexistence support
*/
if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
return;
- if (test_and_clear_bit(STATUS_CHANNEL_SWITCH_PENDING,
+ if (!test_and_clear_bit(STATUS_CHANNEL_SWITCH_PENDING,
&priv->shrd->status))
+ return;
+
+ if (ctx->vif)
ieee80211_chswitch_done(ctx->vif, is_success);
}
{IWL_PCI_DEVICE(0x423C, 0x1306, iwl5150_abg_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x423C, 0x1221, iwl5150_agn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x423C, 0x1321, iwl5150_agn_cfg)}, /* Half Mini Card */
+ {IWL_PCI_DEVICE(0x423C, 0x1326, iwl5150_abg_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x423D, 0x1211, iwl5150_agn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x423D, 0x1311, iwl5150_agn_cfg)}, /* Half Mini Card */
if (dev->reg_state == NETREG_REGISTERED)
unregister_netdevice(dev);
- if (dev->reg_state == NETREG_UNREGISTERED)
- free_netdev(dev);
-
/* Clear the priv in adapter */
priv->netdev = NULL;
adapter->if_ops.wakeup(adapter);
adapter->hs_activated = false;
adapter->is_hs_configured = false;
+ adapter->is_suspended = false;
mwifiex_hs_activated_event(mwifiex_get_priv(adapter,
MWIFIEX_BSS_ROLE_ANY), false);
}
struct net_device *dev)
{
dev->netdev_ops = &mwifiex_netdev_ops;
+ dev->destructor = free_netdev;
/* Initialize private structure */
priv->current_key_index = 0;
priv->media_connected = false;
/* Allocate buffer and copy payload */
blk_size = MWIFIEX_SDIO_BLOCK_SIZE;
buf_block_len = (pkt_len + blk_size - 1) / blk_size;
- *(u16 *) &payload[0] = (u16) pkt_len;
- *(u16 *) &payload[2] = type;
+ *(__le16 *)&payload[0] = cpu_to_le16((u16)pkt_len);
+ *(__le16 *)&payload[2] = cpu_to_le16(type);
/*
* This is SDIO specific header
} else {
/* Multicast */
priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
- if (mcast_list->mode == MWIFIEX_MULTICAST_MODE) {
+ if (mcast_list->mode == MWIFIEX_ALL_MULTI_MODE) {
dev_dbg(priv->adapter->dev,
"info: Enabling All Multicast!\n");
priv->curr_pkt_filter |=
dev_dbg(priv->adapter->dev,
"info: Set multicast list=%d\n",
mcast_list->num_multicast_addr);
- /* Set multicast addresses to firmware */
- if (old_pkt_filter == priv->curr_pkt_filter) {
- /* Send request to firmware */
- ret = mwifiex_send_cmd_async(priv,
- HostCmd_CMD_MAC_MULTICAST_ADR,
- HostCmd_ACT_GEN_SET, 0,
- mcast_list);
- } else {
- /* Send request to firmware */
- ret = mwifiex_send_cmd_async(priv,
- HostCmd_CMD_MAC_MULTICAST_ADR,
- HostCmd_ACT_GEN_SET, 0,
- mcast_list);
- }
+ /* Send multicast addresses to firmware */
+ ret = mwifiex_send_cmd_async(priv,
+ HostCmd_CMD_MAC_MULTICAST_ADR,
+ HostCmd_ACT_GEN_SET, 0,
+ mcast_list);
}
}
}
{USB_DEVICE(0x06a9, 0x000e)}, /* Westell 802.11g USB (A90-211WG-01) */
{USB_DEVICE(0x06b9, 0x0121)}, /* Thomson SpeedTouch 121g */
{USB_DEVICE(0x0707, 0xee13)}, /* SMC 2862W-G version 2 */
+ {USB_DEVICE(0x07aa, 0x0020)}, /* Corega WLUSB2GTST USB */
{USB_DEVICE(0x0803, 0x4310)}, /* Zoom 4410a */
{USB_DEVICE(0x083a, 0x4521)}, /* Siemens Gigaset USB Adapter 54 version 2 */
{USB_DEVICE(0x083a, 0x4531)}, /* T-Com Sinus 154 data II */
u8 step;
int i;
+ /*
+ * First check if temperature compensation is supported.
+ */
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
+ if (!rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_TX_ALC))
+ return 0;
+
/*
* Read TSSI boundaries for temperature compensation from
* the EEPROM.
spin_unlock_irqrestore(&queue->index_lock, irqflags);
}
-void rt2x00queue_pause_queue(struct data_queue *queue)
+void rt2x00queue_pause_queue_nocheck(struct data_queue *queue)
{
- if (!test_bit(DEVICE_STATE_PRESENT, &queue->rt2x00dev->flags) ||
- !test_bit(QUEUE_STARTED, &queue->flags) ||
- test_and_set_bit(QUEUE_PAUSED, &queue->flags))
- return;
-
switch (queue->qid) {
case QID_AC_VO:
case QID_AC_VI:
break;
}
}
+void rt2x00queue_pause_queue(struct data_queue *queue)
+{
+ if (!test_bit(DEVICE_STATE_PRESENT, &queue->rt2x00dev->flags) ||
+ !test_bit(QUEUE_STARTED, &queue->flags) ||
+ test_and_set_bit(QUEUE_PAUSED, &queue->flags))
+ return;
+
+ rt2x00queue_pause_queue_nocheck(queue);
+}
EXPORT_SYMBOL_GPL(rt2x00queue_pause_queue);
void rt2x00queue_unpause_queue(struct data_queue *queue)
return;
}
- rt2x00queue_pause_queue(queue);
+ rt2x00queue_pause_queue_nocheck(queue);
queue->rt2x00dev->ops->lib->stop_queue(queue);
tx_agc[RF90_PATH_A] = 0x10101010;
tx_agc[RF90_PATH_B] = 0x10101010;
} else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
- TXHIGHPWRLEVEL_LEVEL1) {
+ TXHIGHPWRLEVEL_LEVEL2) {
tx_agc[RF90_PATH_A] = 0x00000000;
tx_agc[RF90_PATH_B] = 0x00000000;
} else{
{RTL_USB_DEVICE(0x2001, 0x330a, rtl92cu_hal_cfg)}, /*D-Link-Alpha*/
{RTL_USB_DEVICE(0x2019, 0xab2b, rtl92cu_hal_cfg)}, /*Planex -Abocom*/
{RTL_USB_DEVICE(0x20f4, 0x624d, rtl92cu_hal_cfg)}, /*TRENDNet*/
+ {RTL_USB_DEVICE(0x2357, 0x0100, rtl92cu_hal_cfg)}, /*TP-Link WN8200ND*/
{RTL_USB_DEVICE(0x7392, 0x7822, rtl92cu_hal_cfg)}, /*Edimax -Edimax*/
{}
};
that it points to the data allocated
beyond this structure like:
rtl_pci_priv or rtl_usb_priv */
- u8 priv[0];
+ u8 priv[0] __aligned(sizeof(void *));
};
#define rtl_priv(hw) (((struct rtl_priv *)(hw)->priv))
goto exit;
err = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 0x4,
- USB_DIR_IN | 0x40, 0,0, &ret, sizeof(ret), ZD1201_FW_TIMEOUT);
+ USB_DIR_IN | 0x40, 0, 0, buf, sizeof(ret), ZD1201_FW_TIMEOUT);
if (err < 0)
goto exit;
+ memcpy(&ret, buf, sizeof(ret));
+
if (ret & 0x80) {
err = -EIO;
goto exit;
#include <asm/xen/hypercall.h>
#include <asm/xen/page.h>
+/*
+ * This is the maximum slots a skb can have. If a guest sends a skb
+ * which exceeds this limit it is considered malicious.
+ */
+#define FATAL_SKB_SLOTS_DEFAULT 20
+static unsigned int fatal_skb_slots = FATAL_SKB_SLOTS_DEFAULT;
+module_param(fatal_skb_slots, uint, 0444);
+
+/*
+ * To avoid confusion, we define XEN_NETBK_LEGACY_SLOTS_MAX indicating
+ * the maximum slots a valid packet can use. Now this value is defined
+ * to be XEN_NETIF_NR_SLOTS_MIN, which is supposed to be supported by
+ * all backend.
+ */
+#define XEN_NETBK_LEGACY_SLOTS_MAX XEN_NETIF_NR_SLOTS_MIN
+
+typedef unsigned int pending_ring_idx_t;
+#define INVALID_PENDING_RING_IDX (~0U)
+
struct pending_tx_info {
- struct xen_netif_tx_request req;
+ struct xen_netif_tx_request req; /* coalesced tx request */
struct xenvif *vif;
+ pending_ring_idx_t head; /* head != INVALID_PENDING_RING_IDX
+ * if it is head of one or more tx
+ * reqs
+ */
};
-typedef unsigned int pending_ring_idx_t;
struct netbk_rx_meta {
int id;
atomic_t netfront_count;
struct pending_tx_info pending_tx_info[MAX_PENDING_REQS];
- struct gnttab_copy tx_copy_ops[MAX_PENDING_REQS];
+ /* Coalescing tx requests before copying makes number of grant
+ * copy ops greater or equal to number of slots required. In
+ * worst case a tx request consumes 2 gnttab_copy.
+ */
+ struct gnttab_copy tx_copy_ops[2*MAX_PENDING_REQS];
u16 pending_ring[MAX_PENDING_REQS];
static struct xen_netbk *xen_netbk;
static int xen_netbk_group_nr;
+/*
+ * If head != INVALID_PENDING_RING_IDX, it means this tx request is head of
+ * one or more merged tx requests, otherwise it is the continuation of
+ * previous tx request.
+ */
+static inline int pending_tx_is_head(struct xen_netbk *netbk, RING_IDX idx)
+{
+ return netbk->pending_tx_info[idx].head != INVALID_PENDING_RING_IDX;
+}
+
void xen_netbk_add_xenvif(struct xenvif *vif)
{
int i;
{
int max = DIV_ROUND_UP(vif->dev->mtu, PAGE_SIZE);
+ /* XXX FIXME: RX path dependent on MAX_SKB_FRAGS */
if (vif->can_sg || vif->gso || vif->gso_prefix)
max += MAX_SKB_FRAGS + 1; /* extra_info + frags */
__skb_queue_tail(&rxq, skb);
/* Filled the batch queue? */
+ /* XXX FIXME: RX path dependent on MAX_SKB_FRAGS */
if (count + MAX_SKB_FRAGS >= XEN_NETIF_RX_RING_SIZE)
break;
}
int work_to_do)
{
RING_IDX cons = vif->tx.req_cons;
- int frags = 0;
+ int slots = 0;
+ int drop_err = 0;
+ int more_data;
if (!(first->flags & XEN_NETTXF_more_data))
return 0;
do {
- if (frags >= work_to_do) {
- netdev_err(vif->dev, "Need more frags\n");
+ struct xen_netif_tx_request dropped_tx = { 0 };
+
+ if (slots >= work_to_do) {
+ netdev_err(vif->dev,
+ "Asked for %d slots but exceeds this limit\n",
+ work_to_do);
netbk_fatal_tx_err(vif);
return -ENODATA;
}
- if (unlikely(frags >= MAX_SKB_FRAGS)) {
- netdev_err(vif->dev, "Too many frags\n");
+ /* This guest is really using too many slots and
+ * considered malicious.
+ */
+ if (unlikely(slots >= fatal_skb_slots)) {
+ netdev_err(vif->dev,
+ "Malicious frontend using %d slots, threshold %u\n",
+ slots, fatal_skb_slots);
netbk_fatal_tx_err(vif);
return -E2BIG;
}
- memcpy(txp, RING_GET_REQUEST(&vif->tx, cons + frags),
+ /* Xen network protocol had implicit dependency on
+ * MAX_SKB_FRAGS. XEN_NETBK_LEGACY_SLOTS_MAX is set to
+ * the historical MAX_SKB_FRAGS value 18 to honor the
+ * same behavior as before. Any packet using more than
+ * 18 slots but less than fatal_skb_slots slots is
+ * dropped
+ */
+ if (!drop_err && slots >= XEN_NETBK_LEGACY_SLOTS_MAX) {
+ if (net_ratelimit())
+ netdev_dbg(vif->dev,
+ "Too many slots (%d) exceeding limit (%d), dropping packet\n",
+ slots, XEN_NETBK_LEGACY_SLOTS_MAX);
+ drop_err = -E2BIG;
+ }
+
+ if (drop_err)
+ txp = &dropped_tx;
+
+ memcpy(txp, RING_GET_REQUEST(&vif->tx, cons + slots),
sizeof(*txp));
- if (txp->size > first->size) {
- netdev_err(vif->dev, "Frag is bigger than frame.\n");
- netbk_fatal_tx_err(vif);
- return -EIO;
+
+ /* If the guest submitted a frame >= 64 KiB then
+ * first->size overflowed and following slots will
+ * appear to be larger than the frame.
+ *
+ * This cannot be fatal error as there are buggy
+ * frontends that do this.
+ *
+ * Consume all slots and drop the packet.
+ */
+ if (!drop_err && txp->size > first->size) {
+ if (net_ratelimit())
+ netdev_dbg(vif->dev,
+ "Invalid tx request, slot size %u > remaining size %u\n",
+ txp->size, first->size);
+ drop_err = -EIO;
}
first->size -= txp->size;
- frags++;
+ slots++;
if (unlikely((txp->offset + txp->size) > PAGE_SIZE)) {
- netdev_err(vif->dev, "txp->offset: %x, size: %u\n",
+ netdev_err(vif->dev, "Cross page boundary, txp->offset: %x, size: %u\n",
txp->offset, txp->size);
netbk_fatal_tx_err(vif);
return -EINVAL;
}
- } while ((txp++)->flags & XEN_NETTXF_more_data);
- return frags;
+
+ more_data = txp->flags & XEN_NETTXF_more_data;
+
+ if (!drop_err)
+ txp++;
+
+ } while (more_data);
+
+ if (drop_err) {
+ netbk_tx_err(vif, first, cons + slots);
+ return drop_err;
+ }
+
+ return slots;
}
static struct page *xen_netbk_alloc_page(struct xen_netbk *netbk,
- struct sk_buff *skb,
u16 pending_idx)
{
struct page *page;
struct skb_shared_info *shinfo = skb_shinfo(skb);
skb_frag_t *frags = shinfo->frags;
u16 pending_idx = *((u16 *)skb->data);
- int i, start;
+ u16 head_idx = 0;
+ int slot, start;
+ struct page *page;
+ pending_ring_idx_t index, start_idx = 0;
+ uint16_t dst_offset;
+ unsigned int nr_slots;
+ struct pending_tx_info *first = NULL;
+
+ /* At this point shinfo->nr_frags is in fact the number of
+ * slots, which can be as large as XEN_NETBK_LEGACY_SLOTS_MAX.
+ */
+ nr_slots = shinfo->nr_frags;
/* Skip first skb fragment if it is on same page as header fragment. */
start = (frag_get_pending_idx(&shinfo->frags[0]) == pending_idx);
- for (i = start; i < shinfo->nr_frags; i++, txp++) {
- struct page *page;
- pending_ring_idx_t index;
+ /* Coalesce tx requests, at this point the packet passed in
+ * should be <= 64K. Any packets larger than 64K have been
+ * handled in netbk_count_requests().
+ */
+ for (shinfo->nr_frags = slot = start; slot < nr_slots;
+ shinfo->nr_frags++) {
struct pending_tx_info *pending_tx_info =
netbk->pending_tx_info;
- index = pending_index(netbk->pending_cons++);
- pending_idx = netbk->pending_ring[index];
- page = xen_netbk_alloc_page(netbk, skb, pending_idx);
+ page = alloc_page(GFP_KERNEL|__GFP_COLD);
if (!page)
goto err;
- netbk->mmap_pages[pending_idx] = page;
-
- gop->source.u.ref = txp->gref;
- gop->source.domid = vif->domid;
- gop->source.offset = txp->offset;
-
- gop->dest.u.gmfn = virt_to_mfn(page_address(page));
- gop->dest.domid = DOMID_SELF;
- gop->dest.offset = txp->offset;
-
- gop->len = txp->size;
- gop->flags = GNTCOPY_source_gref;
+ dst_offset = 0;
+ first = NULL;
+ while (dst_offset < PAGE_SIZE && slot < nr_slots) {
+ gop->flags = GNTCOPY_source_gref;
+
+ gop->source.u.ref = txp->gref;
+ gop->source.domid = vif->domid;
+ gop->source.offset = txp->offset;
+
+ gop->dest.domid = DOMID_SELF;
+
+ gop->dest.offset = dst_offset;
+ gop->dest.u.gmfn = virt_to_mfn(page_address(page));
+
+ if (dst_offset + txp->size > PAGE_SIZE) {
+ /* This page can only merge a portion
+ * of tx request. Do not increment any
+ * pointer / counter here. The txp
+ * will be dealt with in future
+ * rounds, eventually hitting the
+ * `else` branch.
+ */
+ gop->len = PAGE_SIZE - dst_offset;
+ txp->offset += gop->len;
+ txp->size -= gop->len;
+ dst_offset += gop->len; /* quit loop */
+ } else {
+ /* This tx request can be merged in the page */
+ gop->len = txp->size;
+ dst_offset += gop->len;
+
+ index = pending_index(netbk->pending_cons++);
+
+ pending_idx = netbk->pending_ring[index];
+
+ memcpy(&pending_tx_info[pending_idx].req, txp,
+ sizeof(*txp));
+ xenvif_get(vif);
+
+ pending_tx_info[pending_idx].vif = vif;
+
+ /* Poison these fields, corresponding
+ * fields for head tx req will be set
+ * to correct values after the loop.
+ */
+ netbk->mmap_pages[pending_idx] = (void *)(~0UL);
+ pending_tx_info[pending_idx].head =
+ INVALID_PENDING_RING_IDX;
+
+ if (!first) {
+ first = &pending_tx_info[pending_idx];
+ start_idx = index;
+ head_idx = pending_idx;
+ }
+
+ txp++;
+ slot++;
+ }
- gop++;
+ gop++;
+ }
- memcpy(&pending_tx_info[pending_idx].req, txp, sizeof(*txp));
- xenvif_get(vif);
- pending_tx_info[pending_idx].vif = vif;
- frag_set_pending_idx(&frags[i], pending_idx);
+ first->req.offset = 0;
+ first->req.size = dst_offset;
+ first->head = start_idx;
+ set_page_ext(page, netbk, head_idx);
+ netbk->mmap_pages[head_idx] = page;
+ frag_set_pending_idx(&frags[shinfo->nr_frags], head_idx);
}
+ BUG_ON(shinfo->nr_frags > MAX_SKB_FRAGS);
+
return gop;
err:
/* Unwind, freeing all pages and sending error responses. */
- while (i-- > start) {
- xen_netbk_idx_release(netbk, frag_get_pending_idx(&frags[i]),
- XEN_NETIF_RSP_ERROR);
+ while (shinfo->nr_frags-- > start) {
+ xen_netbk_idx_release(netbk,
+ frag_get_pending_idx(&frags[shinfo->nr_frags]),
+ XEN_NETIF_RSP_ERROR);
}
/* The head too, if necessary. */
if (start)
struct gnttab_copy *gop = *gopp;
u16 pending_idx = *((u16 *)skb->data);
struct skb_shared_info *shinfo = skb_shinfo(skb);
+ struct pending_tx_info *tx_info;
int nr_frags = shinfo->nr_frags;
int i, err, start;
+ u16 peek; /* peek into next tx request */
/* Check status of header. */
err = gop->status;
for (i = start; i < nr_frags; i++) {
int j, newerr;
+ pending_ring_idx_t head;
pending_idx = frag_get_pending_idx(&shinfo->frags[i]);
+ tx_info = &netbk->pending_tx_info[pending_idx];
+ head = tx_info->head;
/* Check error status: if okay then remember grant handle. */
- newerr = (++gop)->status;
+ do {
+ newerr = (++gop)->status;
+ if (newerr)
+ break;
+ peek = netbk->pending_ring[pending_index(++head)];
+ } while (!pending_tx_is_head(netbk, peek));
+
if (likely(!newerr)) {
/* Had a previous error? Invalidate this fragment. */
if (unlikely(err))
struct sk_buff *skb;
int ret;
- while (((nr_pending_reqs(netbk) + MAX_SKB_FRAGS) < MAX_PENDING_REQS) &&
+ while ((nr_pending_reqs(netbk) + XEN_NETBK_LEGACY_SLOTS_MAX
+ < MAX_PENDING_REQS) &&
!list_empty(&netbk->net_schedule_list)) {
struct xenvif *vif;
struct xen_netif_tx_request txreq;
- struct xen_netif_tx_request txfrags[MAX_SKB_FRAGS];
+ struct xen_netif_tx_request txfrags[XEN_NETBK_LEGACY_SLOTS_MAX];
struct page *page;
struct xen_netif_extra_info extras[XEN_NETIF_EXTRA_TYPE_MAX-1];
u16 pending_idx;
pending_idx = netbk->pending_ring[index];
data_len = (txreq.size > PKT_PROT_LEN &&
- ret < MAX_SKB_FRAGS) ?
+ ret < XEN_NETBK_LEGACY_SLOTS_MAX) ?
PKT_PROT_LEN : txreq.size;
skb = alloc_skb(data_len + NET_SKB_PAD + NET_IP_ALIGN,
}
/* XXX could copy straight to head */
- page = xen_netbk_alloc_page(netbk, skb, pending_idx);
+ page = xen_netbk_alloc_page(netbk, pending_idx);
if (!page) {
kfree_skb(skb);
netbk_tx_err(vif, &txreq, idx);
continue;
}
- netbk->mmap_pages[pending_idx] = page;
-
gop->source.u.ref = txreq.gref;
gop->source.domid = vif->domid;
gop->source.offset = txreq.offset;
memcpy(&netbk->pending_tx_info[pending_idx].req,
&txreq, sizeof(txreq));
netbk->pending_tx_info[pending_idx].vif = vif;
+ netbk->pending_tx_info[pending_idx].head = index;
*((u16 *)skb->data) = pending_idx;
__skb_put(skb, data_len);
{
struct xenvif *vif;
struct pending_tx_info *pending_tx_info;
- pending_ring_idx_t index;
+ pending_ring_idx_t head;
+ u16 peek; /* peek into next tx request */
+
+ BUG_ON(netbk->mmap_pages[pending_idx] == (void *)(~0UL));
/* Already complete? */
if (netbk->mmap_pages[pending_idx] == NULL)
pending_tx_info = &netbk->pending_tx_info[pending_idx];
vif = pending_tx_info->vif;
+ head = pending_tx_info->head;
+
+ BUG_ON(!pending_tx_is_head(netbk, head));
+ BUG_ON(netbk->pending_ring[pending_index(head)] != pending_idx);
- make_tx_response(vif, &pending_tx_info->req, status);
+ do {
+ pending_ring_idx_t index;
+ pending_ring_idx_t idx = pending_index(head);
+ u16 info_idx = netbk->pending_ring[idx];
- index = pending_index(netbk->pending_prod++);
- netbk->pending_ring[index] = pending_idx;
+ pending_tx_info = &netbk->pending_tx_info[info_idx];
+ make_tx_response(vif, &pending_tx_info->req, status);
- xenvif_put(vif);
+ /* Setting any number other than
+ * INVALID_PENDING_RING_IDX indicates this slot is
+ * starting a new packet / ending a previous packet.
+ */
+ pending_tx_info->head = 0;
+
+ index = pending_index(netbk->pending_prod++);
+ netbk->pending_ring[index] = netbk->pending_ring[info_idx];
+
+ xenvif_put(vif);
+
+ peek = netbk->pending_ring[pending_index(++head)];
+
+ } while (!pending_tx_is_head(netbk, peek));
netbk->mmap_pages[pending_idx]->mapping = 0;
put_page(netbk->mmap_pages[pending_idx]);
netbk->mmap_pages[pending_idx] = NULL;
}
+
static void make_tx_response(struct xenvif *vif,
struct xen_netif_tx_request *txp,
s8 st)
static inline int tx_work_todo(struct xen_netbk *netbk)
{
- if (((nr_pending_reqs(netbk) + MAX_SKB_FRAGS) < MAX_PENDING_REQS) &&
- !list_empty(&netbk->net_schedule_list))
+ if ((nr_pending_reqs(netbk) + XEN_NETBK_LEGACY_SLOTS_MAX
+ < MAX_PENDING_REQS) &&
+ !list_empty(&netbk->net_schedule_list))
return 1;
return 0;
if (!xen_pv_domain())
return -ENODEV;
+ if (fatal_skb_slots < XEN_NETBK_LEGACY_SLOTS_MAX) {
+ printk(KERN_INFO
+ "xen-netback: fatal_skb_slots too small (%d), bump it to XEN_NETBK_LEGACY_SLOTS_MAX (%d)\n",
+ fatal_skb_slots, XEN_NETBK_LEGACY_SLOTS_MAX);
+ fatal_skb_slots = XEN_NETBK_LEGACY_SLOTS_MAX;
+ }
+
xen_netbk_group_nr = num_online_cpus();
xen_netbk = vzalloc(sizeof(struct xen_netbk) * xen_netbk_group_nr);
if (!xen_netbk) {
#include <linux/skbuff.h>
#include <linux/ethtool.h>
#include <linux/if_ether.h>
-#include <linux/tcp.h>
+#include <net/tcp.h>
#include <linux/udp.h>
#include <linux/moduleparam.h>
#include <linux/mm.h>
unsigned int offset = offset_in_page(data);
unsigned int len = skb_headlen(skb);
+ /* If skb->len is too big for wire format, drop skb and alert
+ * user about misconfiguration.
+ */
+ if (unlikely(skb->len > XEN_NETIF_MAX_TX_SIZE)) {
+ net_alert_ratelimited(
+ "xennet: skb->len = %u, too big for wire format\n",
+ skb->len);
+ goto drop;
+ }
+
frags += DIV_ROUND_UP(offset + len, PAGE_SIZE);
if (unlikely(frags > MAX_SKB_FRAGS + 1)) {
printk(KERN_ALERT "xennet: skb rides the rocket: %d frags\n",
static int xennet_change_mtu(struct net_device *dev, int mtu)
{
- int max = xennet_can_sg(dev) ? 65535 - ETH_HLEN : ETH_DATA_LEN;
+ int max = xennet_can_sg(dev) ?
+ XEN_NETIF_MAX_TX_SIZE - MAX_TCP_HEADER : ETH_DATA_LEN;
if (mtu > max)
return -EINVAL;
SET_ETHTOOL_OPS(netdev, &xennet_ethtool_ops);
SET_NETDEV_DEV(netdev, &dev->dev);
+ netif_set_gso_max_size(netdev, XEN_NETIF_MAX_TX_SIZE - MAX_TCP_HEADER);
+
np->netdev = netdev;
netif_carrier_off(netdev);
ap = dt_alloc(sizeof(*ap) + len + 1, 4);
if (!ap)
continue;
+ memset(ap, 0, sizeof(*ap) + len + 1);
ap->alias = start;
of_alias_add(ap, np, id, start, len);
}
mem = (unsigned long)
dt_alloc(size + 4, __alignof__(struct device_node));
+ memset((void *)mem, 0, size);
+
((__be32 *)mem)[size / 4] = cpu_to_be32(0xdeadbeef);
pr_debug(" unflattening %lx...\n", mem);
+#include <linux/prefetch.h>
+
/**
* iommu_fill_pdir - Insert coalesced scatter/gather chunks into the I/O Pdir.
* @ioc: The I/O Controller.
obj-$(CONFIG_PARISC) += setup-bus.o
obj-$(CONFIG_SUPERH) += setup-bus.o setup-irq.o
obj-$(CONFIG_PPC) += setup-bus.o
+obj-$(CONFIG_FRV) += setup-bus.o
obj-$(CONFIG_MIPS) += setup-bus.o setup-irq.o
obj-$(CONFIG_X86_VISWS) += setup-irq.o
obj-$(CONFIG_MN10300) += setup-bus.o
DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_amd_ide_mode);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_HUDSON2_SATA_IDE, quirk_amd_ide_mode);
DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_HUDSON2_SATA_IDE, quirk_amd_ide_mode);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, 0x7900, quirk_amd_ide_mode);
+DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_AMD, 0x7900, quirk_amd_ide_mode);
/*
* Serverworks CSB5 IDE does not fully support native mode
static int lis3lv02d_resume(struct acpi_device *device)
{
- return lis3lv02d_poweron(&lis3_dev);
+ lis3lv02d_poweron(&lis3_dev);
+ return 0;
}
#else
#define lis3lv02d_suspend NULL
tp->model_str = kstrdup(s, GFP_KERNEL);
if (!tp->model_str)
return -ENOMEM;
+ } else {
+ s = dmi_get_system_info(DMI_BIOS_VENDOR);
+ if (s && !(strnicmp(s, "Lenovo", 6))) {
+ tp->model_str = kstrdup(s, GFP_KERNEL);
+ if (!tp->model_str)
+ return -ENOMEM;
+ }
}
s = dmi_get_system_info(DMI_PRODUCT_NAME);
u32 intval;
u32 ch_inte;
+ /* For MSI mode disable all device-level interrupts */
+ if (priv->flags & TSI721_USING_MSI)
+ iowrite32(0, priv->regs + TSI721_DEV_INTE);
+
dev_int = ioread32(priv->regs + TSI721_DEV_INT);
if (!dev_int)
return IRQ_NONE;
tsi721_pw_handler(mport);
}
+ /* For MSI mode re-enable device-level interrupts */
+ if (priv->flags & TSI721_USING_MSI) {
+ dev_int = TSI721_DEV_INT_SR2PC_CH | TSI721_DEV_INT_SRIO |
+ TSI721_DEV_INT_SMSG_CH;
+ iowrite32(dev_int, priv->regs + TSI721_DEV_INTE);
+ }
+
return IRQ_HANDLED;
}
if (!(rxbuf[0] & 0x20)) {
dev_err(&spi->dev, "chip not found\n");
+ ret = -ENODEV;
goto kfree_exit;
}
dev_dbg(&client->dev, "alarm IRQ armed\n");
} else {
/* disable AIE irq */
- ret = rv3029c2_rtc_i2c_alarm_set_irq(client, 1);
+ ret = rv3029c2_rtc_i2c_alarm_set_irq(client, 0);
if (ret)
return ret;
}
platform_set_drvdata(pdev, rtc);
+ device_init_wakeup(&pdev->dev, 1);
return 0;
out2:
*
* Module interface and handling of zfcp data structures.
*
- * Copyright IBM Corporation 2002, 2010
+ * Copyright IBM Corp. 2002, 2013
*/
/*
* Christof Schmitt
* Martin Petermann
* Sven Schuetz
+ * Steffen Maier
*/
#define KMSG_COMPONENT "zfcp"
adapter->dma_parms.max_segment_size = ZFCP_QDIO_SBALE_LEN;
adapter->ccw_device->dev.dma_parms = &adapter->dma_parms;
+ adapter->stat_read_buf_num = FSF_STATUS_READS_RECOM;
+
if (!zfcp_scsi_adapter_register(adapter))
return adapter;
if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_ERP_INUSE)
zfcp_erp_action_dismiss(&port->erp_action);
- else
- shost_for_each_device(sdev, port->adapter->scsi_host)
+ else {
+ spin_lock(port->adapter->scsi_host->host_lock);
+ __shost_for_each_device(sdev, port->adapter->scsi_host)
if (sdev_to_zfcp(sdev)->port == port)
zfcp_erp_action_dismiss_lun(sdev);
+ spin_unlock(port->adapter->scsi_host->host_lock);
+ }
}
static void zfcp_erp_action_dismiss_adapter(struct zfcp_adapter *adapter)
{
struct scsi_device *sdev;
- shost_for_each_device(sdev, port->adapter->scsi_host)
+ spin_lock(port->adapter->scsi_host->host_lock);
+ __shost_for_each_device(sdev, port->adapter->scsi_host)
if (sdev_to_zfcp(sdev)->port == port)
_zfcp_erp_lun_reopen(sdev, clear, id, 0);
+ spin_unlock(port->adapter->scsi_host->host_lock);
}
static void zfcp_erp_strategy_followup_failed(struct zfcp_erp_action *act)
atomic_set_mask(common_mask, &port->status);
read_unlock_irqrestore(&adapter->port_list_lock, flags);
- shost_for_each_device(sdev, adapter->scsi_host)
+ spin_lock_irqsave(adapter->scsi_host->host_lock, flags);
+ __shost_for_each_device(sdev, adapter->scsi_host)
atomic_set_mask(common_mask, &sdev_to_zfcp(sdev)->status);
+ spin_unlock_irqrestore(adapter->scsi_host->host_lock, flags);
}
/**
}
read_unlock_irqrestore(&adapter->port_list_lock, flags);
- shost_for_each_device(sdev, adapter->scsi_host) {
+ spin_lock_irqsave(adapter->scsi_host->host_lock, flags);
+ __shost_for_each_device(sdev, adapter->scsi_host) {
atomic_clear_mask(common_mask, &sdev_to_zfcp(sdev)->status);
if (clear_counter)
atomic_set(&sdev_to_zfcp(sdev)->erp_counter, 0);
}
+ spin_unlock_irqrestore(adapter->scsi_host->host_lock, flags);
}
/**
{
struct scsi_device *sdev;
u32 common_mask = mask & ZFCP_COMMON_FLAGS;
+ unsigned long flags;
atomic_set_mask(mask, &port->status);
if (!common_mask)
return;
- shost_for_each_device(sdev, port->adapter->scsi_host)
+ spin_lock_irqsave(port->adapter->scsi_host->host_lock, flags);
+ __shost_for_each_device(sdev, port->adapter->scsi_host)
if (sdev_to_zfcp(sdev)->port == port)
atomic_set_mask(common_mask,
&sdev_to_zfcp(sdev)->status);
+ spin_unlock_irqrestore(port->adapter->scsi_host->host_lock, flags);
}
/**
struct scsi_device *sdev;
u32 common_mask = mask & ZFCP_COMMON_FLAGS;
u32 clear_counter = mask & ZFCP_STATUS_COMMON_ERP_FAILED;
+ unsigned long flags;
atomic_clear_mask(mask, &port->status);
if (clear_counter)
atomic_set(&port->erp_counter, 0);
- shost_for_each_device(sdev, port->adapter->scsi_host)
+ spin_lock_irqsave(port->adapter->scsi_host->host_lock, flags);
+ __shost_for_each_device(sdev, port->adapter->scsi_host)
if (sdev_to_zfcp(sdev)->port == port) {
atomic_clear_mask(common_mask,
&sdev_to_zfcp(sdev)->status);
if (clear_counter)
atomic_set(&sdev_to_zfcp(sdev)->erp_counter, 0);
}
+ spin_unlock_irqrestore(port->adapter->scsi_host->host_lock, flags);
}
/**
*
* Implementation of FSF commands.
*
- * Copyright IBM Corporation 2002, 2010
+ * Copyright IBM Corp. 2002, 2013
*/
#define KMSG_COMPONENT "zfcp"
fc_host_port_name(shost) = nsp->fl_wwpn;
fc_host_node_name(shost) = nsp->fl_wwnn;
- fc_host_port_id(shost) = ntoh24(bottom->s_id);
- fc_host_speed(shost) = bottom->fc_link_speed;
fc_host_supported_classes(shost) = FC_COS_CLASS2 | FC_COS_CLASS3;
- adapter->hydra_version = bottom->adapter_type;
adapter->timer_ticks = bottom->timer_interval & ZFCP_FSF_TIMER_INT_MASK;
adapter->stat_read_buf_num = max(bottom->status_read_buf_num,
(u16)FSF_STATUS_READS_RECOM);
if (fc_host_permanent_port_name(shost) == -1)
fc_host_permanent_port_name(shost) = fc_host_port_name(shost);
+ zfcp_scsi_set_prot(adapter);
+
+ /* no error return above here, otherwise must fix call chains */
+ /* do not evaluate invalid fields */
+ if (req->qtcb->header.fsf_status == FSF_EXCHANGE_CONFIG_DATA_INCOMPLETE)
+ return 0;
+
+ fc_host_port_id(shost) = ntoh24(bottom->s_id);
+ fc_host_speed(shost) = bottom->fc_link_speed;
+
+ adapter->hydra_version = bottom->adapter_type;
+
switch (bottom->fc_topology) {
case FSF_TOPO_P2P:
adapter->peer_d_id = ntoh24(bottom->peer_d_id);
return -EIO;
}
- zfcp_scsi_set_prot(adapter);
-
return 0;
}
fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
adapter->hydra_version = 0;
+ /* avoids adapter shutdown to be able to recognize
+ * events such as LINK UP */
+ atomic_set_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK,
+ &adapter->status);
zfcp_fsf_link_down_info_eval(req,
&qtcb->header.fsf_status_qual.link_down_info);
+ if (zfcp_fsf_exchange_config_evaluate(req))
+ return;
break;
default:
zfcp_erp_adapter_shutdown(adapter, 0, "fsecdh3");
static int zfcp_qdio_sbal_check(struct zfcp_qdio *qdio)
{
- spin_lock_irq(&qdio->req_q_lock);
if (atomic_read(&qdio->req_q_free) ||
!(atomic_read(&qdio->adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP))
return 1;
- spin_unlock_irq(&qdio->req_q_lock);
return 0;
}
{
long ret;
- spin_unlock_irq(&qdio->req_q_lock);
- ret = wait_event_interruptible_timeout(qdio->req_q_wq,
- zfcp_qdio_sbal_check(qdio), 5 * HZ);
+ ret = wait_event_interruptible_lock_irq_timeout(qdio->req_q_wq,
+ zfcp_qdio_sbal_check(qdio), qdio->req_q_lock, 5 * HZ);
if (!(atomic_read(&qdio->adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP))
return -EIO;
zfcp_erp_adapter_reopen(qdio->adapter, 0, "qdsbg_1");
}
- spin_lock_irq(&qdio->req_q_lock);
return -EIO;
}
*
* Interface to Linux SCSI midlayer.
*
- * Copyright IBM Corporation 2002, 2010
+ * Copyright IBM Corp. 2002, 2013
*/
#define KMSG_COMPONENT "zfcp"
.proc_name = "zfcp",
.can_queue = 4096,
.this_id = -1,
- .sg_tablesize = 1, /* adjusted later */
- .max_sectors = 8, /* adjusted later */
+ .sg_tablesize = (((QDIO_MAX_ELEMENTS_PER_BUFFER - 1)
+ * ZFCP_QDIO_MAX_SBALS_PER_REQ) - 2),
+ /* GCD, adjusted later */
+ .max_sectors = (((QDIO_MAX_ELEMENTS_PER_BUFFER - 1)
+ * ZFCP_QDIO_MAX_SBALS_PER_REQ) - 2) * 8,
+ /* GCD, adjusted later */
.dma_boundary = ZFCP_QDIO_SBALE_LEN - 1,
.cmd_per_lun = 1,
.use_clustering = 1,
fcp_sns_len = SCSI_SENSE_BUFFERSIZE;
}
- memset(sc_cmd->sense_buffer, 0, sizeof(sc_cmd->sense_buffer));
+ memset(sc_cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
if (fcp_sns_len)
memcpy(sc_cmd->sense_buffer, rq_data, fcp_sns_len);
static int esp_alloc_lun_tag(struct esp_cmd_entry *ent,
struct esp_lun_data *lp)
{
- if (!ent->tag[0]) {
+ if (!ent->orig_tag[0]) {
/* Non-tagged, slot already taken? */
if (lp->non_tagged_cmd)
return -EBUSY;
return -EBUSY;
}
- BUG_ON(lp->tagged_cmds[ent->tag[1]]);
+ BUG_ON(lp->tagged_cmds[ent->orig_tag[1]]);
- lp->tagged_cmds[ent->tag[1]] = ent;
+ lp->tagged_cmds[ent->orig_tag[1]] = ent;
lp->num_tagged++;
return 0;
static void esp_free_lun_tag(struct esp_cmd_entry *ent,
struct esp_lun_data *lp)
{
- if (ent->tag[0]) {
- BUG_ON(lp->tagged_cmds[ent->tag[1]] != ent);
- lp->tagged_cmds[ent->tag[1]] = NULL;
+ if (ent->orig_tag[0]) {
+ BUG_ON(lp->tagged_cmds[ent->orig_tag[1]] != ent);
+ lp->tagged_cmds[ent->orig_tag[1]] = NULL;
lp->num_tagged--;
} else {
BUG_ON(lp->non_tagged_cmd != ent);
ent->tag[0] = 0;
ent->tag[1] = 0;
}
+ ent->orig_tag[0] = ent->tag[0];
+ ent->orig_tag[1] = ent->tag[1];
if (esp_alloc_lun_tag(ent, lp) < 0)
continue;
#define ESP_CMD_FLAG_AUTOSENSE 0x04 /* Doing automatic REQUEST_SENSE */
u8 tag[2];
+ u8 orig_tag[2];
u8 status;
u8 message;
int ret = TMF_RESP_FUNC_FAILED;
unsigned long flags;
int perform_termination = 0;
+ int target_done_already = 0;
/* Get the isci_request reference from the task. Note that
* this check does not depend on the pending request list
/* If task is already done, the request isn't valid */
if (!(task->task_state_flags & SAS_TASK_STATE_DONE) &&
(task->task_state_flags & SAS_TASK_AT_INITIATOR) &&
- old_request)
+ old_request) {
isci_device = isci_lookup_device(task->dev);
-
+ target_done_already = test_bit(IREQ_COMPLETE_IN_TARGET,
+ &old_request->flags);
+ }
spin_unlock(&task->task_state_lock);
spin_unlock_irqrestore(&isci_host->scic_lock, flags);
}
if (task->task_proto == SAS_PROTOCOL_SMP ||
sas_protocol_ata(task->task_proto) ||
- test_bit(IREQ_COMPLETE_IN_TARGET, &old_request->flags)) {
+ target_done_already) {
spin_unlock_irqrestore(&isci_host->scic_lock, flags);
break;
}
- /*
- * We expect the FW state to be READY
- */
- if (megasas_transition_to_ready(instance, 0))
- goto fail_ready_state;
+ if (megasas_transition_to_ready(instance, 0)) {
+ atomic_set(&instance->fw_reset_no_pci_access, 1);
+ instance->instancet->adp_reset
+ (instance, instance->reg_set);
+ atomic_set(&instance->fw_reset_no_pci_access, 0);
+ dev_info(&instance->pdev->dev,
+ "megasas: FW restarted successfully from %s!\n",
+ __func__);
+
+ /*waitting for about 30 second before retry*/
+ ssleep(30);
+
+ if (megasas_transition_to_ready(instance, 0))
+ goto fail_ready_state;
+ }
/* Check if MSI-X is supported while in ready state */
msix_enable = (instance->instancet->read_fw_status_reg(reg_set) &
sense, sense_handle);
}
- for (i = 0; i < ioc->sge_count && kbuff_arr[i]; i++) {
- dma_free_coherent(&instance->pdev->dev,
- kern_sge32[i].length,
- kbuff_arr[i], kern_sge32[i].phys_addr);
+ for (i = 0; i < ioc->sge_count; i++) {
+ if (kbuff_arr[i])
+ dma_free_coherent(&instance->pdev->dev,
+ kern_sge32[i].length,
+ kbuff_arr[i],
+ kern_sge32[i].phys_addr);
}
megasas_return_cmd(instance, cmd);
module_param(msix_disable, int, 0);
MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)");
-static int missing_delay[2] = {-1, -1};
-module_param_array(missing_delay, int, NULL, 0);
-MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay");
-
static int mpt2sas_fwfault_debug;
MODULE_PARM_DESC(mpt2sas_fwfault_debug, " enable detection of firmware fault "
"and halt firmware - (default=0)");
}
/**
- * _base_update_missing_delay - change the missing delay timers
+ * mpt2sas_base_update_missing_delay - change the missing delay timers
* @ioc: per adapter object
* @device_missing_delay: amount of time till device is reported missing
* @io_missing_delay: interval IO is returned when there is a missing device
* delay, as well as the io missing delay. This should be called at driver
* load time.
*/
-static void
-_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc,
+void
+mpt2sas_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc,
u16 device_missing_delay, u8 io_missing_delay)
{
u16 dmd, dmd_new, dmd_orignal;
if (r)
goto out_free_resources;
- if (missing_delay[0] != -1 && missing_delay[1] != -1)
- _base_update_missing_delay(ioc, missing_delay[0],
- missing_delay[1]);
return 0;
void mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc);
+void mpt2sas_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc,
+ u16 device_missing_delay, u8 io_missing_delay);
+
int mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc);
/* scsih shared API */
module_param(max_sectors, ushort, 0);
MODULE_PARM_DESC(max_sectors, "max sectors, range 64 to 8192 default=8192");
+static int missing_delay[2] = {-1, -1};
+module_param_array(missing_delay, int, NULL, 0);
+MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay");
+
/* scsi-mid layer global parmeter is max_report_luns, which is 511 */
#define MPT2SAS_MAX_LUN (16895)
static int max_lun = MPT2SAS_MAX_LUN;
else
mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
} else
-/* MPI Revision I (UNIT = 0xA) - removed MPI2_SCSIIO_CONTROL_UNTAGGED */
-/* mpi_control |= MPI2_SCSIIO_CONTROL_UNTAGGED;
- */
- mpi_control |= (0x500);
-
+ mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
} else
mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
/* Make sure Device is not raid volume.
struct _sas_device *sas_device;
struct _sas_node *expander_device;
static struct _raid_device *raid_device;
+ u8 retry_count;
printk(MPT2SAS_INFO_FMT "scan devices: start\n", ioc->name);
_scsih_sas_host_refresh(ioc);
+ printk(MPT2SAS_INFO_FMT "\tscan devices: expanders start\n",
+ ioc->name);
/* expanders */
handle = 0xFFFF;
while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
MPI2_IOCSTATUS_MASK;
if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
break;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ printk(MPT2SAS_INFO_FMT "\tbreak from expander scan: "
+ "ioc_status(0x%04x), loginfo(0x%08x)\n",
+ ioc->name, ioc_status,
+ le32_to_cpu(mpi_reply.IOCLogInfo));
+ break;
+ }
handle = le16_to_cpu(expander_pg0.DevHandle);
expander_device = mpt2sas_scsih_expander_find_by_sas_address(
ioc, le64_to_cpu(expander_pg0.SASAddress));
if (expander_device)
_scsih_refresh_expander_links(ioc, expander_device,
handle);
- else
+ else {
+ printk(MPT2SAS_INFO_FMT "\tBEFORE adding expander: "
+ "handle (0x%04x), sas_addr(0x%016llx)\n",
+ ioc->name, handle, (unsigned long long)
+ le64_to_cpu(expander_pg0.SASAddress));
_scsih_expander_add(ioc, handle);
+ printk(MPT2SAS_INFO_FMT "\tAFTER adding expander: "
+ "handle (0x%04x), sas_addr(0x%016llx)\n",
+ ioc->name, handle, (unsigned long long)
+ le64_to_cpu(expander_pg0.SASAddress));
+ }
}
+ printk(MPT2SAS_INFO_FMT "\tscan devices: expanders complete\n",
+ ioc->name);
+
if (!ioc->ir_firmware)
goto skip_to_sas;
+ printk(MPT2SAS_INFO_FMT "\tscan devices phys disk start\n", ioc->name);
/* phys disk */
phys_disk_num = 0xFF;
while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
MPI2_IOCSTATUS_MASK;
if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
break;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ printk(MPT2SAS_INFO_FMT "\tbreak from phys disk scan:"
+ "ioc_status(0x%04x), loginfo(0x%08x)\n",
+ ioc->name, ioc_status,
+ le32_to_cpu(mpi_reply.IOCLogInfo));
+ break;
+ }
phys_disk_num = pd_pg0.PhysDiskNum;
handle = le16_to_cpu(pd_pg0.DevHandle);
sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
&sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
handle) != 0)
continue;
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ printk(MPT2SAS_INFO_FMT "\tbreak from phys disk scan "
+ "ioc_status(0x%04x), loginfo(0x%08x)\n",
+ ioc->name, ioc_status,
+ le32_to_cpu(mpi_reply.IOCLogInfo));
+ break;
+ }
parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
if (!_scsih_get_sas_address(ioc, parent_handle,
&sas_address)) {
+ printk(MPT2SAS_INFO_FMT "\tBEFORE adding phys disk: "
+ " handle (0x%04x), sas_addr(0x%016llx)\n",
+ ioc->name, handle, (unsigned long long)
+ le64_to_cpu(sas_device_pg0.SASAddress));
mpt2sas_transport_update_links(ioc, sas_address,
handle, sas_device_pg0.PhyNum,
MPI2_SAS_NEG_LINK_RATE_1_5);
set_bit(handle, ioc->pd_handles);
- _scsih_add_device(ioc, handle, 0, 1);
+ retry_count = 0;
+ /* This will retry adding the end device.
+ * _scsih_add_device() will decide on retries and
+ * return "1" when it should be retried
+ */
+ while (_scsih_add_device(ioc, handle, retry_count++,
+ 1)) {
+ ssleep(1);
+ }
+ printk(MPT2SAS_INFO_FMT "\tAFTER adding phys disk: "
+ " handle (0x%04x), sas_addr(0x%016llx)\n",
+ ioc->name, handle, (unsigned long long)
+ le64_to_cpu(sas_device_pg0.SASAddress));
}
}
+ printk(MPT2SAS_INFO_FMT "\tscan devices: phys disk complete\n",
+ ioc->name);
+
+ printk(MPT2SAS_INFO_FMT "\tscan devices: volumes start\n", ioc->name);
/* volumes */
handle = 0xFFFF;
while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
MPI2_IOCSTATUS_MASK;
if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
break;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ printk(MPT2SAS_INFO_FMT "\tbreak from volume scan: "
+ "ioc_status(0x%04x), loginfo(0x%08x)\n",
+ ioc->name, ioc_status,
+ le32_to_cpu(mpi_reply.IOCLogInfo));
+ break;
+ }
handle = le16_to_cpu(volume_pg1.DevHandle);
raid_device = _scsih_raid_device_find_by_wwid(ioc,
le64_to_cpu(volume_pg1.WWID));
&volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
sizeof(Mpi2RaidVolPage0_t)))
continue;
+ ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
+ MPI2_IOCSTATUS_MASK;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ printk(MPT2SAS_INFO_FMT "\tbreak from volume scan: "
+ "ioc_status(0x%04x), loginfo(0x%08x)\n",
+ ioc->name, ioc_status,
+ le32_to_cpu(mpi_reply.IOCLogInfo));
+ break;
+ }
if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) {
memset(&element, 0, sizeof(Mpi2EventIrConfigElement_t));
element.ReasonCode = MPI2_EVENT_IR_CHANGE_RC_ADDED;
element.VolDevHandle = volume_pg1.DevHandle;
+ printk(MPT2SAS_INFO_FMT "\tBEFORE adding volume: "
+ " handle (0x%04x)\n", ioc->name,
+ volume_pg1.DevHandle);
_scsih_sas_volume_add(ioc, &element);
+ printk(MPT2SAS_INFO_FMT "\tAFTER adding volume: "
+ " handle (0x%04x)\n", ioc->name,
+ volume_pg1.DevHandle);
}
}
+ printk(MPT2SAS_INFO_FMT "\tscan devices: volumes complete\n",
+ ioc->name);
+
skip_to_sas:
+ printk(MPT2SAS_INFO_FMT "\tscan devices: end devices start\n",
+ ioc->name);
/* sas devices */
handle = 0xFFFF;
while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
MPI2_IOCSTATUS_MASK;
if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
break;
+ if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
+ printk(MPT2SAS_INFO_FMT "\tbreak from end device scan:"
+ " ioc_status(0x%04x), loginfo(0x%08x)\n",
+ ioc->name, ioc_status,
+ le32_to_cpu(mpi_reply.IOCLogInfo));
+ break;
+ }
handle = le16_to_cpu(sas_device_pg0.DevHandle);
if (!(_scsih_is_end_device(
le32_to_cpu(sas_device_pg0.DeviceInfo))))
continue;
parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) {
+ printk(MPT2SAS_INFO_FMT "\tBEFORE adding end device: "
+ "handle (0x%04x), sas_addr(0x%016llx)\n",
+ ioc->name, handle, (unsigned long long)
+ le64_to_cpu(sas_device_pg0.SASAddress));
mpt2sas_transport_update_links(ioc, sas_address, handle,
sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
- _scsih_add_device(ioc, handle, 0, 0);
+ retry_count = 0;
+ /* This will retry adding the end device.
+ * _scsih_add_device() will decide on retries and
+ * return "1" when it should be retried
+ */
+ while (_scsih_add_device(ioc, handle, retry_count++,
+ 0)) {
+ ssleep(1);
+ }
+ printk(MPT2SAS_INFO_FMT "\tAFTER adding end device: "
+ "handle (0x%04x), sas_addr(0x%016llx)\n",
+ ioc->name, handle, (unsigned long long)
+ le64_to_cpu(sas_device_pg0.SASAddress));
}
}
+ printk(MPT2SAS_INFO_FMT "\tscan devices: end devices complete\n",
+ ioc->name);
+
printk(MPT2SAS_INFO_FMT "scan devices: complete\n", ioc->name);
}
case MPT2SAS_PORT_ENABLE_COMPLETE:
ioc->start_scan = 0;
-
+ if (missing_delay[0] != -1 && missing_delay[1] != -1)
+ mpt2sas_base_update_missing_delay(ioc, missing_delay[0],
+ missing_delay[1]);
dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "port enable: complete "
"from worker thread\n", ioc->name));
* reset SCSI bus
*/
nsp32_write1(base, SCSI_BUS_CONTROL, BUSCTL_RST);
- udelay(RESET_HOLD_TIME);
+ mdelay(RESET_HOLD_TIME / 1000);
nsp32_write1(base, SCSI_BUS_CONTROL, 0);
for(i = 0; i < 5; i++) {
intrdat = nsp32_read2(base, IRQ_STATUS); /* dummy read */
oud->class_dev.class = &osd_uld_class;
oud->class_dev.parent = dev;
oud->class_dev.release = __remove;
- error = dev_set_name(&oud->class_dev, disk->disk_name);
+ error = dev_set_name(&oud->class_dev, "%s", disk->disk_name);
if (error) {
OSD_ERR("dev_set_name failed => %d\n", error);
goto err_put_cdev;
__constant_cpu_to_le16(CF_SIMPLE_TAG);
break;
}
+ } else {
+ cmd_pkt->control_flags = __constant_cpu_to_le16(CF_SIMPLE_TAG);
}
/* Load SCSI command packet. */
fcp_cmnd->task_attribute = TSK_ORDERED;
break;
default:
- fcp_cmnd->task_attribute = 0;
+ fcp_cmnd->task_attribute = TSK_SIMPLE;
break;
}
} else {
- fcp_cmnd->task_attribute = 0;
+ fcp_cmnd->task_attribute = TSK_SIMPLE;
}
cmd_pkt->fcp_rsp_dseg_len = 0; /* Let response come in status iocb */
case ORDERED_QUEUE_TAG:
cmd_pkt->task = TSK_ORDERED;
break;
+ default:
+ cmd_pkt->task = TSK_SIMPLE;
+ break;
}
+ } else {
+ cmd_pkt->task = TSK_SIMPLE;
}
/* Load SCSI command packet. */
break;
err = iscsi_if_send_reply(group, nlh->nlmsg_seq,
nlh->nlmsg_type, 0, 0, ev, sizeof(*ev));
- } while (err < 0 && err != -ECONNREFUSED);
+ } while (err < 0 && err != -ECONNREFUSED && err != -ESRCH);
skb_pull(skb, rlen);
}
mutex_unlock(&rx_queue_mutex);
char *buffer_data;
struct scsi_mode_data data;
struct scsi_sense_hdr sshdr;
+ static const char temp[] = "temporary ";
int len;
if (sdp->type != TYPE_DISK)
* it's not worth the risk */
return -EINVAL;
+ if (strncmp(buf, temp, sizeof(temp) - 1) == 0) {
+ buf += sizeof(temp) - 1;
+ sdkp->cache_override = 1;
+ } else {
+ sdkp->cache_override = 0;
+ }
+
for (i = 0; i < ARRAY_SIZE(sd_cache_types); i++) {
len = strlen(sd_cache_types[i]);
if (strncmp(sd_cache_types[i], buf, len) == 0 &&
return -EINVAL;
rcd = ct & 0x01 ? 1 : 0;
wce = ct & 0x02 ? 1 : 0;
+
+ if (sdkp->cache_override) {
+ sdkp->WCE = wce;
+ sdkp->RCD = rcd;
+ return count;
+ }
+
if (scsi_mode_sense(sdp, 0x08, 8, buffer, sizeof(buffer), SD_TIMEOUT,
SD_MAX_RETRIES, &data, NULL))
return -EINVAL;
static void sd_unprep_fn(struct request_queue *q, struct request *rq)
{
+ struct scsi_cmnd *SCpnt = rq->special;
+
if (rq->cmd_flags & REQ_DISCARD) {
free_page((unsigned long)rq->buffer);
rq->buffer = NULL;
}
+ if (SCpnt->cmnd != rq->cmd) {
+ mempool_free(SCpnt->cmnd, sd_cdb_pool);
+ SCpnt->cmnd = NULL;
+ SCpnt->cmd_len = 0;
+ }
}
/**
if (rq_data_dir(SCpnt->request) == READ && scsi_prot_sg_count(SCpnt))
sd_dif_complete(SCpnt, good_bytes);
- if (scsi_host_dif_capable(sdkp->device->host, sdkp->protection_type)
- == SD_DIF_TYPE2_PROTECTION && SCpnt->cmnd != SCpnt->request->cmd) {
-
- /* We have to print a failed command here as the
- * extended CDB gets freed before scsi_io_completion()
- * is called.
- */
- if (result)
- scsi_print_command(SCpnt);
-
- mempool_free(SCpnt->cmnd, sd_cdb_pool);
- SCpnt->cmnd = NULL;
- SCpnt->cmd_len = 0;
- }
-
return good_bytes;
}
int old_rcd = sdkp->RCD;
int old_dpofua = sdkp->DPOFUA;
+
+ if (sdkp->cache_override)
+ return;
+
first_len = 4;
if (sdp->skip_ms_page_8) {
if (sdp->type == TYPE_RBC)
}
}
- if (modepage == 0x3F) {
- sd_printk(KERN_ERR, sdkp, "No Caching mode page "
- "present\n");
- goto defaults;
- } else if ((buffer[offset] & 0x3f) != modepage) {
- sd_printk(KERN_ERR, sdkp, "Got wrong page\n");
- goto defaults;
- }
+ sd_printk(KERN_ERR, sdkp, "No Caching mode page found\n");
+ goto defaults;
+
Page_found:
if (modepage == 8) {
sdkp->WCE = ((buffer[offset + 2] & 0x04) != 0);
sdkp->capacity = 0;
sdkp->media_present = 1;
sdkp->write_prot = 0;
+ sdkp->cache_override = 0;
sdkp->WCE = 0;
sdkp->RCD = 0;
sdkp->ATO = 0;
u8 protection_type;/* Data Integrity Field */
u8 provisioning_mode;
unsigned ATO : 1; /* state of disk ATO bit */
+ unsigned cache_override : 1; /* temp override of WCE,RCD */
unsigned WCE : 1; /* state of disk WCE bit */
unsigned RCD : 1; /* state of disk RCD bit, unused */
unsigned DPOFUA : 1; /* state of disk DPOFUA bit */
}
rc = do_devconfig_ioctl(dev,
(struct comedi_devconfig __user *)arg);
+ if (rc == 0)
+ /* Evade comedi_auto_unconfig(). */
+ dev_file_info->hardware_device = NULL;
goto done;
}
DPRINTK("subdevice busy\n");
return -EBUSY;
}
- s->busy = file;
/* make sure channel/gain list isn't too long */
if (user_cmd.chanlist_len > s->len_chanlist) {
DPRINTK("channel/gain list too long %u > %d\n",
user_cmd.chanlist_len, s->len_chanlist);
- ret = -EINVAL;
- goto cleanup;
+ return -EINVAL;
}
/* make sure channel/gain list isn't too short */
if (user_cmd.chanlist_len < 1) {
DPRINTK("channel/gain list too short %u < 1\n",
user_cmd.chanlist_len);
- ret = -EINVAL;
- goto cleanup;
+ return -EINVAL;
}
async->cmd = user_cmd;
kmalloc(async->cmd.chanlist_len * sizeof(int), GFP_KERNEL);
if (!async->cmd.chanlist) {
DPRINTK("allocation failed\n");
- ret = -ENOMEM;
- goto cleanup;
+ return -ENOMEM;
}
if (copy_from_user(async->cmd.chanlist, user_cmd.chanlist,
comedi_set_subdevice_runflags(s, ~0, SRF_USER | SRF_RUNNING);
+ /* set s->busy _after_ setting SRF_RUNNING flag to avoid race with
+ * comedi_read() or comedi_write() */
+ s->busy = file;
ret = s->do_cmd(dev, s);
if (ret == 0)
return 0;
void *file)
{
struct comedi_subdevice *s;
+ int ret;
if (arg >= dev->n_subdevices)
return -EINVAL;
if (s->busy != file)
return -EBUSY;
- return do_cancel(dev, s);
+ ret = do_cancel(dev, s);
+ if (comedi_get_subdevice_runflags(s) & SRF_USER)
+ wake_up_interruptible(&s->async->wait_head);
+
+ return ret;
}
/*
if (!(comedi_get_subdevice_runflags(s) & SRF_RUNNING)) {
if (count == 0) {
+ mutex_lock(&dev->mutex);
if (comedi_get_subdevice_runflags(s) &
SRF_ERROR) {
retval = -EPIPE;
retval = 0;
}
do_become_nonbusy(dev, s);
+ mutex_unlock(&dev->mutex);
}
break;
}
if (n == 0) {
if (!(comedi_get_subdevice_runflags(s) & SRF_RUNNING)) {
+ mutex_lock(&dev->mutex);
do_become_nonbusy(dev, s);
if (comedi_get_subdevice_runflags(s) &
SRF_ERROR) {
} else {
retval = 0;
}
+ mutex_unlock(&dev->mutex);
break;
}
if (file->f_flags & O_NONBLOCK) {
buf += n;
break; /* makes device work like a pipe */
}
- if (!(comedi_get_subdevice_runflags(s) & (SRF_ERROR | SRF_RUNNING)) &&
- async->buf_read_count - async->buf_write_count == 0) {
- do_become_nonbusy(dev, s);
+ if (!(comedi_get_subdevice_runflags(s) & (SRF_ERROR | SRF_RUNNING))) {
+ mutex_lock(&dev->mutex);
+ if (async->buf_read_count - async->buf_write_count == 0)
+ do_become_nonbusy(dev, s);
+ mutex_unlock(&dev->mutex);
}
set_current_state(TASK_RUNNING);
remove_wait_queue(&async->wait_head, &wait);
} \
udelay(5); \
} \
- if (_i) \
+ if (_i) { \
b \
+ } \
} while (0)
static int dt282x_attach(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
- unsigned base_bitfield_channel;
- const unsigned max_ports_per_bitfield = 5;
+ int base_bitfield_channel;
unsigned read_bits = 0;
- unsigned j;
+ int last_port_offset = ni_65xx_port_by_channel(s->n_chan - 1);
+ int port_offset;
+
if (insn->n != 2)
return -EINVAL;
base_bitfield_channel = CR_CHAN(insn->chanspec);
- for (j = 0; j < max_ports_per_bitfield; ++j) {
- const unsigned port_offset =
- ni_65xx_port_by_channel(base_bitfield_channel) + j;
- const unsigned port =
- sprivate(s)->base_port + port_offset;
- unsigned base_port_channel;
+ for (port_offset = ni_65xx_port_by_channel(base_bitfield_channel);
+ port_offset <= last_port_offset; port_offset++) {
+ unsigned port = sprivate(s)->base_port + port_offset;
+ int base_port_channel = port_offset * ni_65xx_channels_per_port;
unsigned port_mask, port_data, port_read_bits;
- int bitshift;
- if (port >= ni_65xx_total_num_ports(board(dev)))
+ int bitshift = base_port_channel - base_bitfield_channel;
+
+ if (bitshift >= 32)
break;
- base_port_channel = port_offset * ni_65xx_channels_per_port;
port_mask = data[0];
port_data = data[1];
- bitshift = base_port_channel - base_bitfield_channel;
- if (bitshift >= 32 || bitshift <= -32)
- break;
if (bitshift > 0) {
port_mask >>= bitshift;
port_data >>= bitshift;
kfree(psb_intel_crtc);
}
+static void cdv_intel_crtc_disable(struct drm_crtc *crtc)
+{
+ struct gtt_range *gt;
+ struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+
+ crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
+
+ if (crtc->fb) {
+ gt = to_psb_fb(crtc->fb)->gtt;
+ psb_gtt_unpin(gt);
+ }
+}
+
const struct drm_crtc_helper_funcs cdv_intel_helper_funcs = {
.dpms = cdv_intel_crtc_dpms,
.mode_fixup = cdv_intel_crtc_mode_fixup,
.mode_set_base = cdv_intel_pipe_set_base,
.prepare = cdv_intel_crtc_prepare,
.commit = cdv_intel_crtc_commit,
+ .disable = cdv_intel_crtc_disable,
};
const struct drm_crtc_funcs cdv_intel_crtc_funcs = {
for (i = 0; i < dev_priv->num_pipe; i++)
psb_intel_crtc_init(dev, i, mode_dev);
- dev->mode_config.max_width = 2048;
- dev->mode_config.max_height = 2048;
+ dev->mode_config.max_width = 4096;
+ dev->mode_config.max_height = 4096;
psb_setup_outputs(dev);
}
kfree(psb_intel_crtc);
}
+static void psb_intel_crtc_disable(struct drm_crtc *crtc)
+{
+ struct gtt_range *gt;
+ struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+
+ crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
+
+ if (crtc->fb) {
+ gt = to_psb_fb(crtc->fb)->gtt;
+ psb_gtt_unpin(gt);
+ }
+}
+
const struct drm_crtc_helper_funcs psb_intel_helper_funcs = {
.dpms = psb_intel_crtc_dpms,
.mode_fixup = psb_intel_crtc_mode_fixup,
.mode_set_base = psb_intel_pipe_set_base,
.prepare = psb_intel_crtc_prepare,
.commit = psb_intel_crtc_commit,
+ .disable = psb_intel_crtc_disable,
};
const struct drm_crtc_funcs psb_intel_crtc_funcs = {
*/
static void pcm_disconnect_substream(struct snd_pcm_substream *substream)
{
- if (substream->runtime && snd_pcm_running(substream))
+ if (substream->runtime && snd_pcm_running(substream)) {
+ snd_pcm_stream_lock_irq(substream);
snd_pcm_stop(substream, SNDRV_PCM_STATE_DISCONNECTED);
+ snd_pcm_stream_unlock_irq(substream);
+ }
}
/*
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Netdevice %s unregistered\n",
pDevice->dev->name, pDevice->apdev->name);
}
- kfree(pDevice->apdev);
+ free_netdev(pDevice->apdev);
pDevice->apdev = NULL;
pDevice->bEnable8021x = FALSE;
pDevice->bEnableHostWEP = FALSE;
memset(pMgmt->abyCurrBSSID, 0, 6);
pMgmt->eCurrState = WMAC_STATE_IDLE;
+ pDevice->flags &= ~DEVICE_FLAGS_OPENED;
+
device_free_tx_bufs(pDevice);
device_free_rx_bufs(pDevice);
device_free_int_bufs(pDevice);
usb_free_urb(pDevice->pInterruptURB);
BSSvClearNodeDBTable(pDevice, 0);
- pDevice->flags &=(~DEVICE_FLAGS_OPENED);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "device_close2 \n");
*/
static inline int valid_io_request(struct zram *zram, struct bio *bio)
{
- if (unlikely(
- (bio->bi_sector >= (zram->disksize >> SECTOR_SHIFT)) ||
- (bio->bi_sector & (ZRAM_SECTOR_PER_LOGICAL_BLOCK - 1)) ||
- (bio->bi_size & (ZRAM_LOGICAL_BLOCK_SIZE - 1)))) {
+ u64 start, end, bound;
+
+ /* unaligned request */
+ if (unlikely(bio->bi_sector & (ZRAM_SECTOR_PER_LOGICAL_BLOCK - 1)))
+ return 0;
+ if (unlikely(bio->bi_size & (ZRAM_LOGICAL_BLOCK_SIZE - 1)))
+ return 0;
+ start = bio->bi_sector;
+ end = start + (bio->bi_size >> SECTOR_SHIFT);
+ bound = zram->disksize >> SECTOR_SHIFT;
+ /* out of range range */
+ if (unlikely(start >= bound || end >= bound || start > end))
return 0;
- }
/* I/O request is valid */
return 1;
static int create_device(struct zram *zram, int device_id)
{
- int ret = 0;
+ int ret = -ENOMEM;
init_rwsem(&zram->lock);
init_rwsem(&zram->init_lock);
if (!zram->queue) {
pr_err("Error allocating disk queue for device %d\n",
device_id);
- ret = -ENOMEM;
goto out;
}
/* gendisk structure */
zram->disk = alloc_disk(1);
if (!zram->disk) {
- blk_cleanup_queue(zram->queue);
pr_warning("Error allocating disk structure for device %d\n",
device_id);
- ret = -ENOMEM;
- goto out;
+ goto out_free_queue;
}
zram->disk->major = zram_major;
&zram_disk_attr_group);
if (ret < 0) {
pr_warning("Error creating sysfs group");
- goto out;
+ goto out_free_disk;
}
zram->init_done = 0;
+ return 0;
+out_free_disk:
+ del_gendisk(zram->disk);
+ put_disk(zram->disk);
+out_free_queue:
+ blk_cleanup_queue(zram->queue);
out:
return ret;
}
for (i = 0; i < zram_num_devices; i++) {
zram = &zram_devices[i];
+ get_disk(zram->disk);
destroy_device(zram);
if (zram->init_done)
zram_reset_device(zram);
+ put_disk(zram->disk);
}
unregister_blkdev(zram_major, "zram");
u64 val = 0;
struct zram *zram = dev_to_zram(dev);
+ down_read(&zram->init_lock);
if (zram->init_done) {
val = xv_get_total_size_bytes(zram->mem_pool) +
((u64)(zram->stats.pages_expand) << PAGE_SHIFT);
}
+ up_read(&zram->init_lock);
return sprintf(buf, "%llu\n", val);
}
if (!capable(CAP_SYS_ADMIN)) \
return -EPERM; \
\
- snprintf(auth->name, PAGE_SIZE, "%s", page); \
+ snprintf(auth->name, sizeof(auth->name), "%s", page); \
if (!strncmp("NULL", auth->name, 4)) \
auth->naf_flags &= ~flags; \
else \
/*
* CmdSN is greater than the tail of the list.
*/
- if (ooo_tail->cmdsn < ooo_cmdsn->cmdsn)
+ if (iscsi_sna_lt(ooo_tail->cmdsn, ooo_cmdsn->cmdsn))
list_add_tail(&ooo_cmdsn->ooo_list,
&sess->sess_ooo_cmdsn_list);
else {
*/
list_for_each_entry(ooo_tmp, &sess->sess_ooo_cmdsn_list,
ooo_list) {
- if (ooo_tmp->cmdsn < ooo_cmdsn->cmdsn)
+ if (iscsi_sna_lt(ooo_tmp->cmdsn, ooo_cmdsn->cmdsn))
continue;
+ /* Insert before this entry */
list_add(&ooo_cmdsn->ooo_list,
- &ooo_tmp->ooo_list);
+ ooo_tmp->ooo_list.prev);
break;
}
}
}
INIT_LIST_HEAD(&extra_response->er_list);
- strncpy(extra_response->key, key, strlen(key) + 1);
- strncpy(extra_response->value, NOTUNDERSTOOD,
- strlen(NOTUNDERSTOOD) + 1);
+ strlcpy(extra_response->key, key, sizeof(extra_response->key));
+ strlcpy(extra_response->value, NOTUNDERSTOOD,
+ sizeof(extra_response->value));
list_add_tail(&extra_response->er_list,
¶m_list->extra_response_list);
if (phase & PHASE_SECURITY) {
if (iscsi_check_for_auth_key(key) > 0) {
- char *tmpptr = key + strlen(key);
- *tmpptr = '=';
kfree(tmpbuf);
return 1;
}
#ifndef ISCSI_PARAMETERS_H
#define ISCSI_PARAMETERS_H
+#include <scsi/iscsi_proto.h>
+
struct iscsi_extra_response {
- char key[64];
+ char key[KEY_MAXLEN];
char value[32];
struct list_head er_list;
} ____cacheline_aligned;
goto out;
}
- snprintf((unsigned char *)&buf[8], 8, "LIO-ORG");
- snprintf((unsigned char *)&buf[16], 16, "%s",
- &dev->se_sub_dev->t10_wwn.model[0]);
- snprintf((unsigned char *)&buf[32], 4, "%s",
- &dev->se_sub_dev->t10_wwn.revision[0]);
+ memcpy(&buf[8], "LIO-ORG ", 8);
+ memset(&buf[16], 0x20, 16);
+ memcpy(&buf[16], dev->se_sub_dev->t10_wwn.model,
+ min_t(size_t, strlen(dev->se_sub_dev->t10_wwn.model), 16));
+ memcpy(&buf[32], dev->se_sub_dev->t10_wwn.revision,
+ min_t(size_t, strlen(dev->se_sub_dev->t10_wwn.revision), 4));
buf[4] = 31; /* Set additional length to 31 */
out:
pr_devel("HVSI@%x: ... waiting handshake\n", pv->termno);
- /* Try for up to 200s */
- for (timeout = 0; timeout < 20; timeout++) {
+ /* Try for up to 400ms */
+ for (timeout = 0; timeout < 40; timeout++) {
if (pv->established)
goto established;
if (!hvsi_get_packet(pv))
tty->real_raw = 0;
}
n_tty_set_room(tty);
+ /*
+ * Fix tty hang when I_IXON(tty) is cleared, but the tty
+ * been stopped by STOP_CHAR(tty) before it.
+ */
+ if (!I_IXON(tty) && old && (old->c_iflag & IXON) && !tty->flow_stopped) {
+ start_tty(tty);
+ }
+
/* The termios change make the tty ready for I/O */
wake_up_interruptible(&tty->write_wait);
wake_up_interruptible(&tty->read_wait);
PCI_VENDOR_ID_IBM, 0x0299,
0, 0, pbn_b0_bt_2_115200 },
- { PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9835,
- 0x1000, 0x0012,
- 0, 0, pbn_b0_bt_2_115200 },
-
{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9901,
0xA000, 0x1000,
0, 0, pbn_b0_1_115200 },
static irqreturn_t mxs_auart_irq_handle(int irq, void *context)
{
- u32 istatus, istat;
+ u32 istat;
struct mxs_auart_port *s = context;
u32 stat = readl(s->port.membase + AUART_STAT);
- istatus = istat = readl(s->port.membase + AUART_INTR);
+ istat = readl(s->port.membase + AUART_INTR);
+
+ /* ack irq */
+ writel(istat & (AUART_INTR_RTIS
+ | AUART_INTR_TXIS
+ | AUART_INTR_RXIS
+ | AUART_INTR_CTSMIS),
+ s->port.membase + AUART_INTR_CLR);
if (istat & AUART_INTR_CTSMIS) {
uart_handle_cts_change(&s->port, stat & AUART_STAT_CTS);
istat &= ~AUART_INTR_TXIS;
}
- writel(istatus & (AUART_INTR_RTIS
- | AUART_INTR_TXIS
- | AUART_INTR_RXIS
- | AUART_INTR_CTSMIS),
- s->port.membase + AUART_INTR_CLR);
-
return IRQ_HANDLED;
}
struct mxs_auart_port *s;
struct uart_port *port;
unsigned int old_ctrl0, old_ctrl2;
- unsigned int to = 1000;
+ unsigned int to = 20000;
if (co->index > MXS_AUART_PORTS || co->index < 0)
return;
uart_console_write(port, str, count, mxs_auart_console_putchar);
- /*
- * Finally, wait for transmitter to become empty
- * and restore the TCR
- */
+ /* Finally, wait for transmitter to become empty ... */
while (readl(port->membase + AUART_STAT) & AUART_STAT_BUSY) {
+ udelay(1);
if (!to--)
break;
- udelay(1);
}
- writel(old_ctrl0, port->membase + AUART_CTRL0);
- writel(old_ctrl2, port->membase + AUART_CTRL2);
+ /*
+ * ... and restore the TCR if we waited long enough for the transmitter
+ * to be idle. This might keep the transmitter enabled although it is
+ * unused, but that is better than to disable it while it is still
+ * transmitting.
+ */
+ if (!(readl(port->membase + AUART_STAT) & AUART_STAT_BUSY)) {
+ writel(old_ctrl0, port->membase + AUART_CTRL0);
+ writel(old_ctrl2, port->membase + AUART_CTRL2);
+ }
clk_disable(s->clk);
}
dev_warn(port->dev, "Rx overrun: dropping %u bytes\n",
size - room);
if (!room)
- return room;
+ goto out;
tty_insert_flip_string(tty, sg_virt(&priv->sg_rx), size);
port->icount.rx += room;
+out:
tty_kref_put(tty);
return room;
static void pch_uart_err_ir(struct eg20t_port *priv, unsigned int lsr)
{
u8 fcr = ioread8(priv->membase + UART_FCR);
+ struct uart_port *port = &priv->port;
+ struct tty_struct *tty = tty_port_tty_get(&port->state->port);
+ char *error_msg[5] = {};
+ int i = 0;
/* Reset FIFO */
fcr |= UART_FCR_CLEAR_RCVR;
iowrite8(fcr, priv->membase + UART_FCR);
if (lsr & PCH_UART_LSR_ERR)
- dev_err(&priv->pdev->dev, "Error data in FIFO\n");
+ error_msg[i++] = "Error data in FIFO\n";
+
+ if (lsr & UART_LSR_FE) {
+ port->icount.frame++;
+ error_msg[i++] = " Framing Error\n";
+ }
- if (lsr & UART_LSR_FE)
- dev_err(&priv->pdev->dev, "Framing Error\n");
+ if (lsr & UART_LSR_PE) {
+ port->icount.parity++;
+ error_msg[i++] = " Parity Error\n";
+ }
- if (lsr & UART_LSR_PE)
- dev_err(&priv->pdev->dev, "Parity Error\n");
+ if (lsr & UART_LSR_OE) {
+ port->icount.overrun++;
+ error_msg[i++] = " Overrun Error\n";
+ }
- if (lsr & UART_LSR_OE)
- dev_err(&priv->pdev->dev, "Overrun Error\n");
+ if (tty == NULL) {
+ for (i = 0; error_msg[i] != NULL; i++)
+ dev_err(&priv->pdev->dev, error_msg[i]);
+ } else {
+ tty_kref_put(tty);
+ }
}
static irqreturn_t pch_uart_interrupt(int irq, void *dev_id)
{
int ret, len;
__le32 *buf;
- int offb, offd;
+ int offb;
+ unsigned int offd;
const int stride = CMD_PACKET_SIZE / (4 * 2) - 1;
int buflen = ((size - 1) / stride + 1 + size * 2) * 4;
static void wdm_int_callback(struct urb *urb)
{
int rv = 0;
+ int responding;
int status = urb->status;
struct wdm_device *desc;
struct usb_ctrlrequest *req;
desc->response->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
spin_lock(&desc->iuspin);
clear_bit(WDM_READ, &desc->flags);
- set_bit(WDM_RESPONDING, &desc->flags);
- if (!test_bit(WDM_DISCONNECTING, &desc->flags)
+ responding = test_and_set_bit(WDM_RESPONDING, &desc->flags);
+ if (!responding && !test_bit(WDM_DISCONNECTING, &desc->flags)
&& !test_bit(WDM_SUSPENDING, &desc->flags)) {
rv = usb_submit_urb(desc->response, GFP_ATOMIC);
dev_dbg(&desc->intf->dev, "%s: usb_submit_urb %d",
{
struct wdm_device *desc = container_of(work, struct wdm_device, rxwork);
unsigned long flags;
- int rv;
+ int rv = 0;
+ int responding;
spin_lock_irqsave(&desc->iuspin, flags);
if (test_bit(WDM_DISCONNECTING, &desc->flags)) {
spin_unlock_irqrestore(&desc->iuspin, flags);
} else {
+ responding = test_and_set_bit(WDM_RESPONDING, &desc->flags);
spin_unlock_irqrestore(&desc->iuspin, flags);
- rv = usb_submit_urb(desc->response, GFP_KERNEL);
+ if (!responding)
+ rv = usb_submit_urb(desc->response, GFP_KERNEL);
if (rv < 0 && rv != -EPERM) {
spin_lock_irqsave(&desc->iuspin, flags);
+ clear_bit(WDM_RESPONDING, &desc->flags);
if (!test_bit(WDM_DISCONNECTING, &desc->flags))
schedule_work(&desc->rxwork);
spin_unlock_irqrestore(&desc->iuspin, flags);
memcpy(&config->desc, buffer, USB_DT_CONFIG_SIZE);
if (config->desc.bDescriptorType != USB_DT_CONFIG ||
- config->desc.bLength < USB_DT_CONFIG_SIZE) {
+ config->desc.bLength < USB_DT_CONFIG_SIZE ||
+ config->desc.bLength > size) {
dev_err(ddev, "invalid descriptor for config index %d: "
"type = 0x%X, length = %d\n", cfgidx,
config->desc.bDescriptorType, config->desc.bLength);
if ((index & ~USB_DIR_IN) == 0)
return 0;
ret = findintfep(ps->dev, index);
+ if (ret < 0) {
+ /*
+ * Some not fully compliant Win apps seem to get
+ * index wrong and have the endpoint number here
+ * rather than the endpoint address (with the
+ * correct direction). Win does let this through,
+ * so we'll not reject it here but leave it to
+ * the device to not break KVM. But we warn.
+ */
+ ret = findintfep(ps->dev, index ^ 0x80);
+ if (ret >= 0)
+ dev_info(&ps->dev->dev,
+ "%s: process %i (%s) requesting ep %02x but needs %02x\n",
+ __func__, task_pid_nr(current),
+ current->comm, index, index ^ 0x80);
+ }
if (ret >= 0)
ret = checkintf(ps, ret);
break;
static inline int
hub_clear_tt_buffer (struct usb_device *hdev, u16 devinfo, u16 tt)
{
+ /* Need to clear both directions for control ep */
+ if (((devinfo >> 11) & USB_ENDPOINT_XFERTYPE_MASK) ==
+ USB_ENDPOINT_XFER_CONTROL) {
+ int status = usb_control_msg(hdev, usb_sndctrlpipe(hdev, 0),
+ HUB_CLEAR_TT_BUFFER, USB_RT_PORT,
+ devinfo ^ 0x8000, tt, NULL, 0, 1000);
+ if (status)
+ return status;
+ }
return usb_control_msg(hdev, usb_sndctrlpipe(hdev, 0),
HUB_CLEAR_TT_BUFFER, USB_RT_PORT, devinfo,
tt, NULL, 0, 1000);
hub->hdev->children[i - 1];
dev_dbg(hub_dev, "warm reset port %d\n", i);
- if (!udev) {
+ if (!udev || !(portstatus &
+ USB_PORT_STAT_CONNECTION)) {
status = hub_port_reset(hub, i,
NULL, HUB_BH_RESET_TIME,
true);
usb_lock_device(udev);
status = usb_reset_device(udev);
usb_unlock_device(udev);
+ connect_change = 0;
}
- connect_change = 0;
}
if (connect_change)
{ USB_DEVICE(0x04d8, 0x000c), .driver_info =
USB_QUIRK_CONFIG_INTF_STRINGS },
+ /* CarrolTouch 4000U */
+ { USB_DEVICE(0x04e7, 0x0009), .driver_info = USB_QUIRK_RESET_RESUME },
+
+ /* CarrolTouch 4500U */
+ { USB_DEVICE(0x04e7, 0x0030), .driver_info = USB_QUIRK_RESET_RESUME },
+
/* Samsung Android phone modem - ID conflict with SPH-I500 */
{ USB_DEVICE(0x04e8, 0x6601), .driver_info =
USB_QUIRK_CONFIG_INTF_STRINGS },
/* Edirol SD-20 */
{ USB_DEVICE(0x0582, 0x0027), .driver_info = USB_QUIRK_RESET_RESUME },
+ /* Alcor Micro Corp. Hub */
+ { USB_DEVICE(0x058f, 0x9254), .driver_info = USB_QUIRK_RESET_RESUME },
+
/* appletouch */
{ USB_DEVICE(0x05ac, 0x021a), .driver_info = USB_QUIRK_RESET_RESUME },
struct dwc3_event_type {
u32 is_devspec:1;
- u32 type:6;
- u32 reserved8_31:25;
+ u32 type:7;
+ u32 reserved8_31:24;
} __packed;
#define DWC3_DEPEVT_XFERCOMPLETE 0x01
/* FIXME define these in <linux/pci_ids.h> */
#define PCI_VENDOR_ID_SYNOPSYS 0x16c3
#define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 0xabcd
+#define PCI_DEVICE_ID_INTEL_BYT 0x0f37
+#define PCI_DEVICE_ID_INTEL_MRFLD 0x119e
#define DWC3_PCI_DEVS_POSSIBLE 32
PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS,
PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3),
},
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT), },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MRFLD), },
{ } /* Terminating Entry */
};
MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table);
__dwc3_gadget_ep_disable(dwc->eps[0]);
err0:
+ dwc->gadget_driver = NULL;
spin_unlock_irqrestore(&dwc->lock, flags);
return ret;
for (epnum = 0; epnum < DWC3_ENDPOINTS_NUM; epnum++) {
dep = dwc->eps[epnum];
- dwc3_free_trb_pool(dep);
-
- if (epnum != 0 && epnum != 1)
+ /*
+ * Physical endpoints 0 and 1 are special; they form the
+ * bi-directional USB endpoint 0.
+ *
+ * For those two physical endpoints, we don't allocate a TRB
+ * pool nor do we add them the endpoints list. Due to that, we
+ * shouldn't do these two operations otherwise we would end up
+ * with all sorts of bugs when removing dwc3.ko.
+ */
+ if (epnum != 0 && epnum != 1) {
+ dwc3_free_trb_pool(dep);
list_del(&dep->endpoint.ep_list);
+ }
kfree(dep);
}
/* Caller must hold fsg->lock */
static void wakeup_thread(struct fsg_common *common)
{
+ smp_wmb(); /* ensure the write of bh->state is complete */
/* Tell the main thread that something has happened */
common->thread_wakeup_needed = 1;
if (common->thread_task)
}
__set_current_state(TASK_RUNNING);
common->thread_wakeup_needed = 0;
+ smp_rmb(); /* ensure the latest bh->state is visible */
return rc;
}
if (pdata && pdata->exit)
pdata->exit(pdev);
- if (pdata->otg)
+ if (pdata && pdata->otg)
otg_shutdown(pdata->otg);
usb_remove_hcd(hcd);
.remove = usb_hcd_pci_remove,
.shutdown = usb_hcd_pci_shutdown,
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_PM
.driver = {
.pm = &usb_hcd_pci_pm_ops
},
}
static const unsigned char
-max_tt_usecs[] = { 125, 125, 125, 125, 125, 125, 125, 25 };
+max_tt_usecs[] = { 125, 125, 125, 125, 125, 125, 30, 0 };
/* carryover low/fullspeed bandwidth that crosses uframe boundries */
static inline void carryover_tt_bandwidth(unsigned short tt_usecs[8])
.remove = usb_hcd_pci_remove,
.shutdown = usb_hcd_pci_shutdown,
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_PM
.driver = {
.pm = &usb_hcd_pci_pm_ops
},
/* auto-stop if nothing connected for 1 second */
if (any_ports_active(uhci))
uhci->rh_state = UHCI_RH_RUNNING;
- else if (time_after_eq(jiffies, uhci->auto_stop_time))
+ else if (time_after_eq(jiffies, uhci->auto_stop_time) &&
+ !uhci->wait_for_hp)
suspend_rh(uhci, UHCI_RH_AUTO_STOPPED);
break;
.remove = usb_hcd_pci_remove,
.shutdown = uhci_shutdown,
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_PM
.driver = {
.pm = &usb_hcd_pci_pm_ops
},
ctx->size += CTX_SIZE(xhci->hcc_params);
ctx->bytes = dma_pool_alloc(xhci->device_pool, flags, &ctx->dma);
+ if (!ctx->bytes) {
+ kfree(ctx);
+ return NULL;
+ }
memset(ctx->bytes, 0, ctx->size);
return ctx;
}
ep_ctx->ep_info2 |= cpu_to_le32(xhci_get_endpoint_type(udev, ep));
/* Set the max packet size and max burst */
+ max_packet = GET_MAX_PACKET(usb_endpoint_maxp(&ep->desc));
+ max_burst = 0;
switch (udev->speed) {
case USB_SPEED_SUPER:
- max_packet = usb_endpoint_maxp(&ep->desc);
- ep_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(max_packet));
/* dig out max burst from ep companion desc */
- max_packet = ep->ss_ep_comp.bMaxBurst;
- ep_ctx->ep_info2 |= cpu_to_le32(MAX_BURST(max_packet));
+ max_burst = ep->ss_ep_comp.bMaxBurst;
break;
case USB_SPEED_HIGH:
+ /* Some devices get this wrong */
+ if (usb_endpoint_xfer_bulk(&ep->desc))
+ max_packet = 512;
/* bits 11:12 specify the number of additional transaction
* opportunities per microframe (USB 2.0, section 9.6.6)
*/
usb_endpoint_xfer_int(&ep->desc)) {
max_burst = (usb_endpoint_maxp(&ep->desc)
& 0x1800) >> 11;
- ep_ctx->ep_info2 |= cpu_to_le32(MAX_BURST(max_burst));
}
- /* Fall through */
+ break;
case USB_SPEED_FULL:
case USB_SPEED_LOW:
- max_packet = GET_MAX_PACKET(usb_endpoint_maxp(&ep->desc));
- ep_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(max_packet));
break;
default:
BUG();
}
+ ep_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(max_packet) |
+ MAX_BURST(max_burst));
max_esit_payload = xhci_get_max_esit_payload(xhci, udev, ep);
ep_ctx->tx_info = cpu_to_le32(MAX_ESIT_PAYLOAD_FOR_EP(max_esit_payload));
}
spin_unlock_irqrestore(&xhci->lock, flags);
+ if (!xhci->rh_bw)
+ goto no_bw;
+
num_ports = HCS_MAX_PORTS(xhci->hcs_params1);
for (i = 0; i < num_ports; i++) {
struct xhci_interval_bw_table *bwt = &xhci->rh_bw[i].bw_table;
}
}
+no_bw:
xhci->num_usb2_ports = 0;
xhci->num_usb3_ports = 0;
xhci->num_active_eps = 0;
u32 page_size;
int i;
+ INIT_LIST_HEAD(&xhci->lpm_failed_devs);
+ INIT_LIST_HEAD(&xhci->cancel_cmd_list);
+
page_size = xhci_readl(xhci, &xhci->op_regs->page_size);
xhci_dbg(xhci, "Supported page size register = 0x%x\n", page_size);
for (i = 0; i < 16; i++) {
xhci->cmd_ring = xhci_ring_alloc(xhci, 1, true, false, flags);
if (!xhci->cmd_ring)
goto fail;
- INIT_LIST_HEAD(&xhci->cancel_cmd_list);
xhci_dbg(xhci, "Allocated command ring at %p\n", xhci->cmd_ring);
xhci_dbg(xhci, "First segment DMA is 0x%llx\n",
(unsigned long long)xhci->cmd_ring->first_seg->dma);
if (xhci_setup_port_arrays(xhci, flags))
goto fail;
- INIT_LIST_HEAD(&xhci->lpm_failed_devs);
-
return 0;
fail:
xhci->quirks |= XHCI_AMD_PLL_FIX;
if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
pdev->device == PCI_DEVICE_ID_INTEL_PANTHERPOINT_XHCI) {
- xhci->quirks |= XHCI_SPURIOUS_SUCCESS;
xhci->quirks |= XHCI_EP_LIMIT_QUIRK;
xhci->limit_active_eps = 64;
xhci->quirks |= XHCI_SW_BW_CHECKING;
/* suspend and resume implemented later */
.shutdown = usb_hcd_pci_shutdown,
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_PM
.driver = {
.pm = &usb_hcd_pci_pm_ops
},
/* A ring has pending URBs if its TD list is not empty */
if (!(ep->ep_state & EP_HAS_STREAMS)) {
- if (!(list_empty(&ep->ring->td_list)))
+ if (ep->ring && !(list_empty(&ep->ring->td_list)))
xhci_ring_ep_doorbell(xhci, slot_id, ep_index, 0);
return;
}
/* Otherwise ring the doorbell(s) to restart queued transfers */
ring_doorbell_for_active_rings(xhci, slot_id, ep_index);
}
- ep->stopped_td = NULL;
- ep->stopped_trb = NULL;
+
+ /* Clear stopped_td and stopped_trb if endpoint is not halted */
+ if (!(ep->ep_state & EP_HALTED)) {
+ ep->stopped_td = NULL;
+ ep->stopped_trb = NULL;
+ }
/*
* Drop the lock and complete the URBs in the cancelled TD list.
* TD list.
*/
if (list_empty(&ep_ring->td_list)) {
- xhci_warn(xhci, "WARN Event TRB for slot %d ep %d "
- "with no TDs queued?\n",
- TRB_TO_SLOT_ID(le32_to_cpu(event->flags)),
- ep_index);
- xhci_dbg(xhci, "Event TRB with TRB type ID %u\n",
- (le32_to_cpu(event->flags) &
- TRB_TYPE_BITMASK)>>10);
- xhci_print_trb_offsets(xhci, (union xhci_trb *) event);
+ /*
+ * A stopped endpoint may generate an extra completion
+ * event if the device was suspended. Don't print
+ * warnings.
+ */
+ if (!(trb_comp_code == COMP_STOP ||
+ trb_comp_code == COMP_STOP_INVAL)) {
+ xhci_warn(xhci, "WARN Event TRB for slot %d ep %d with no TDs queued?\n",
+ TRB_TO_SLOT_ID(le32_to_cpu(event->flags)),
+ ep_index);
+ xhci_dbg(xhci, "Event TRB with TRB type ID %u\n",
+ (le32_to_cpu(event->flags) &
+ TRB_TYPE_BITMASK)>>10);
+ xhci_print_trb_offsets(xhci, (union xhci_trb *) event);
+ }
if (ep->skip) {
ep->skip = false;
xhci_dbg(xhci, "td_list is empty while skip "
struct usb_hcd *hcd = xhci_to_hcd(xhci);
struct usb_hcd *secondary_hcd;
int retval = 0;
+ bool comp_timer_running = false;
/* Wait a bit if either of the roothubs need to settle from the
* transition into bus suspend.
/* If restore operation fails, re-initialize the HC during resume */
if ((temp & STS_SRE) || hibernated) {
+
+ if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) &&
+ !(xhci_all_ports_seen_u0(xhci))) {
+ del_timer_sync(&xhci->comp_mode_recovery_timer);
+ xhci_dbg(xhci, "Compliance Mode Recovery Timer deleted!\n");
+ }
+
/* Let the USB core know _both_ roothubs lost power. */
usb_root_hub_lost_power(xhci->main_hcd->self.root_hub);
usb_root_hub_lost_power(xhci->shared_hcd->self.root_hub);
retval = xhci_init(hcd->primary_hcd);
if (retval)
return retval;
+ comp_timer_running = true;
+
xhci_dbg(xhci, "Start the primary HCD\n");
retval = xhci_run(hcd->primary_hcd);
if (!retval) {
* to suffer the Compliance Mode issue again. It doesn't matter if
* ports have entered previously to U0 before system's suspension.
*/
- if (xhci->quirks & XHCI_COMP_MODE_QUIRK)
+ if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) && !comp_timer_running)
compliance_mode_recovery_timer_init(xhci);
/* Re-enable port polling. */
}
xhci = hcd_to_xhci(hcd);
- if (xhci->xhc_state & XHCI_STATE_HALTED)
- return -ENODEV;
-
if (check_virt_dev) {
if (!udev->slot_id || !xhci->devs[udev->slot_id]) {
printk(KERN_DEBUG "xHCI %s called with unaddressed "
}
}
+ if (xhci->xhc_state & XHCI_STATE_HALTED)
+ return -ENODEV;
+
return 1;
}
{
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
struct xhci_virt_device *virt_dev;
+ struct device *dev = hcd->self.controller;
unsigned long flags;
u32 state;
int i, ret;
+#ifndef CONFIG_USB_DEFAULT_PERSIST
+ /*
+ * We called pm_runtime_get_noresume when the device was attached.
+ * Decrement the counter here to allow controller to runtime suspend
+ * if no devices remain.
+ */
+ if (xhci->quirks & XHCI_RESET_ON_RESUME)
+ pm_runtime_put_noidle(dev);
+#endif
+
ret = xhci_check_args(hcd, udev, NULL, 0, true, __func__);
/* If the host is halted due to driver unload, we still need to free the
* device.
int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev)
{
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
+ struct device *dev = hcd->self.controller;
unsigned long flags;
int timeleft;
int ret;
goto disable_slot;
}
udev->slot_id = xhci->slot_id;
+
+#ifndef CONFIG_USB_DEFAULT_PERSIST
+ /*
+ * If resetting upon resume, we can't put the controller into runtime
+ * suspend if there is a device attached.
+ */
+ if (xhci->quirks & XHCI_RESET_ON_RESUME)
+ pm_runtime_get_noresume(dev);
+#endif
+
/* Is this a LS or FS device under a HS hub? */
/* Hub or peripherial? */
return 1;
get_quirks(dev, xhci);
+ /* In xhci controllers which follow xhci 1.0 spec gives a spurious
+ * success event after a short transfer. This quirk will ignore such
+ * spurious event.
+ */
+ if (xhci->hci_version > 0x96)
+ xhci->quirks |= XHCI_SPURIOUS_SUCCESS;
+
/* Make sure the HC is halted. */
retval = xhci_halt(xhci);
if (retval)
/* let the user know what node this device is now attached to */
dev_info(&interface->dev, "ADU%d %s now attached to /dev/usb/adutux%d\n",
- udev->descriptor.idProduct, dev->serial_number,
+ le16_to_cpu(udev->descriptor.idProduct), dev->serial_number,
(dev->minor - ADU_MINOR_BASE));
exit:
dbg(2," %s : leave, return value %p (dev)", __func__, dev);
{ USB_DEVICE(0x0711, 0x0903) },
{ USB_DEVICE(0x0711, 0x0918) },
{ USB_DEVICE(0x0711, 0x0920) },
+ { USB_DEVICE(0x0711, 0x0950) },
{ USB_DEVICE(0x182d, 0x021c) },
{ USB_DEVICE(0x182d, 0x0269) },
{ }
#define DRIVER_NAME "ark3116"
/* usb timeout of 1 second */
-#define ARK_TIMEOUT (1*HZ)
+#define ARK_TIMEOUT 1000
static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x6547, 0x0232) },
{ USB_DEVICE(0x0489, 0xE000) }, /* Pirelli Broadband S.p.A, DP-L10 SIP/GSM Mobile */
{ USB_DEVICE(0x0489, 0xE003) }, /* Pirelli Broadband S.p.A, DP-L10 SIP/GSM Mobile */
{ USB_DEVICE(0x0745, 0x1000) }, /* CipherLab USB CCD Barcode Scanner 1000 */
+ { USB_DEVICE(0x0846, 0x1100) }, /* NetGear Managed Switch M4100 series, M5300 series, M7100 series */
{ USB_DEVICE(0x08e6, 0x5501) }, /* Gemalto Prox-PU/CU contactless smartcard reader */
{ USB_DEVICE(0x08FD, 0x000A) }, /* Digianswer A/S , ZigBee/802.15.4 MAC Device */
{ USB_DEVICE(0x0BED, 0x1100) }, /* MEI (TM) Cashflow-SC Bill/Voucher Acceptor */
{ USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */
{ USB_DEVICE(0x10C4, 0x8664) }, /* AC-Services CAN-IF */
{ USB_DEVICE(0x10C4, 0x8665) }, /* AC-Services OBD-IF */
+ { USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */
+ { USB_DEVICE(0x10C4, 0x88A5) }, /* Planet Innovation Ingeni ZigBee USB Device */
{ USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */
{ USB_DEVICE(0x17F4, 0xAAAA) }, /* Wavesense Jazz blood glucose meter */
{ USB_DEVICE(0x1843, 0x0200) }, /* Vaisala USB Instrument Cable */
{ USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */
+ { USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */
{ USB_DEVICE(0x1BE3, 0x07A6) }, /* WAGO 750-923 USB Service Cable */
{ USB_DEVICE(0x1E29, 0x0102) }, /* Festo CPX-USB */
{ USB_DEVICE(0x1E29, 0x0501) }, /* Festo CMSP */
static const struct usb_device_id id_table_cyphidcomrs232[] = {
{ USB_DEVICE(VENDOR_ID_CYPRESS, PRODUCT_ID_CYPHIDCOM) },
{ USB_DEVICE(VENDOR_ID_POWERCOM, PRODUCT_ID_UPS) },
+ { USB_DEVICE(VENDOR_ID_FRWD, PRODUCT_ID_CYPHIDCOM_FRWD) },
{ } /* Terminating entry */
};
{ USB_DEVICE(VENDOR_ID_DELORME, PRODUCT_ID_EARTHMATEUSB_LT20) },
{ USB_DEVICE(VENDOR_ID_CYPRESS, PRODUCT_ID_CYPHIDCOM) },
{ USB_DEVICE(VENDOR_ID_POWERCOM, PRODUCT_ID_UPS) },
+ { USB_DEVICE(VENDOR_ID_FRWD, PRODUCT_ID_CYPHIDCOM_FRWD) },
{ USB_DEVICE(VENDOR_ID_DAZZLE, PRODUCT_ID_CA42) },
{ } /* Terminating entry */
};
* Cypress serial helper functions
*****************************************************************************/
+/* FRWD Dongle hidcom needs to skip reset and speed checks */
+static inline bool is_frwd(struct usb_device *dev)
+{
+ return ((le16_to_cpu(dev->descriptor.idVendor) == VENDOR_ID_FRWD) &&
+ (le16_to_cpu(dev->descriptor.idProduct) == PRODUCT_ID_CYPHIDCOM_FRWD));
+}
static int analyze_baud_rate(struct usb_serial_port *port, speed_t new_rate)
{
if (unstable_bauds)
return new_rate;
+ /* FRWD Dongle uses 115200 bps */
+ if (is_frwd(port->serial->dev))
+ return new_rate;
+
/*
* The general purpose firmware for the Cypress M8 allows for
* a maximum speed of 57600bps (I have no idea whether DeLorme
return -ENOMEM;
}
- usb_reset_configuration(serial->dev);
+ /* Skip reset for FRWD device. It is a workaound:
+ device hangs if it receives SET_CONFIGURE in Configured
+ state. */
+ if (!is_frwd(serial->dev))
+ usb_reset_configuration(serial->dev);
priv->cmd_ctrl = 0;
priv->line_control = 0;
#define VENDOR_ID_CYPRESS 0x04b4
#define PRODUCT_ID_CYPHIDCOM 0x5500
+/* FRWD Dongle - a GPS sports watch */
+#define VENDOR_ID_FRWD 0x6737
+#define PRODUCT_ID_CYPHIDCOM_FRWD 0x0001
+
/* Powercom UPS, chip CY7C63723 */
#define VENDOR_ID_POWERCOM 0x0d9f
#define PRODUCT_ID_UPS 0x0002
{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_BOOST_PID) },
{ USB_DEVICE(NEWPORT_VID, NEWPORT_AGILIS_PID) },
+ { USB_DEVICE(NEWPORT_VID, NEWPORT_CONEX_CC_PID) },
+ { USB_DEVICE(NEWPORT_VID, NEWPORT_CONEX_AGP_PID) },
{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_SPROG_II) },
{ USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID),
.driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
{ USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
- { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_SERIAL_VX7_PID) },
- { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_CT29B_PID) },
- { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_RTS01_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S03_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_59_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57A_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_57B_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29A_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29B_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29F_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_62B_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S01_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_63_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_29C_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_81B_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_82B_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K5D_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K4Y_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_K5G_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_S05_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_60_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_61_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_62_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_63B_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_64_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_65_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_92_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_92D_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_W5R_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_A5R_PID) },
+ { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_USB_PW1_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
{ USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
cflag = termios->c_cflag;
+ if (!old_termios)
+ goto no_skip;
+
if (old_termios->c_cflag == termios->c_cflag
&& old_termios->c_ispeed == termios->c_ispeed
&& old_termios->c_ospeed == termios->c_ospeed)
(termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)))
goto no_data_parity_stop_changes;
+no_skip:
/* Set number of data bits, parity, stop bits */
urb_value = 0;
*/
#define NEWPORT_VID 0x104D
#define NEWPORT_AGILIS_PID 0x3000
+#define NEWPORT_CONEX_CC_PID 0x3002
+#define NEWPORT_CONEX_AGP_PID 0x3006
/* Interbiometrics USB I/O Board */
/* Developed for Interbiometrics by Rudolf Gugler */
/*
* RT Systems programming cables for various ham radios
*/
-#define RTSYSTEMS_VID 0x2100 /* Vendor ID */
-#define RTSYSTEMS_SERIAL_VX7_PID 0x9e52 /* Serial converter for VX-7 Radios using FT232RL */
-#define RTSYSTEMS_CT29B_PID 0x9e54 /* CT29B Radio Cable */
-#define RTSYSTEMS_RTS01_PID 0x9e57 /* USB-RTS01 Radio Cable */
-
+#define RTSYSTEMS_VID 0x2100 /* Vendor ID */
+#define RTSYSTEMS_USB_S03_PID 0x9001 /* RTS-03 USB to Serial Adapter */
+#define RTSYSTEMS_USB_59_PID 0x9e50 /* USB-59 USB to 8 pin plug */
+#define RTSYSTEMS_USB_57A_PID 0x9e51 /* USB-57A USB to 4pin 3.5mm plug */
+#define RTSYSTEMS_USB_57B_PID 0x9e52 /* USB-57B USB to extended 4pin 3.5mm plug */
+#define RTSYSTEMS_USB_29A_PID 0x9e53 /* USB-29A USB to 3.5mm stereo plug */
+#define RTSYSTEMS_USB_29B_PID 0x9e54 /* USB-29B USB to 6 pin mini din */
+#define RTSYSTEMS_USB_29F_PID 0x9e55 /* USB-29F USB to 6 pin modular plug */
+#define RTSYSTEMS_USB_62B_PID 0x9e56 /* USB-62B USB to 8 pin mini din plug*/
+#define RTSYSTEMS_USB_S01_PID 0x9e57 /* USB-RTS01 USB to 3.5 mm stereo plug*/
+#define RTSYSTEMS_USB_63_PID 0x9e58 /* USB-63 USB to 9 pin female*/
+#define RTSYSTEMS_USB_29C_PID 0x9e59 /* USB-29C USB to 4 pin modular plug*/
+#define RTSYSTEMS_USB_81B_PID 0x9e5A /* USB-81 USB to 8 pin mini din plug*/
+#define RTSYSTEMS_USB_82B_PID 0x9e5B /* USB-82 USB to 2.5 mm stereo plug*/
+#define RTSYSTEMS_USB_K5D_PID 0x9e5C /* USB-K5D USB to 8 pin modular plug*/
+#define RTSYSTEMS_USB_K4Y_PID 0x9e5D /* USB-K4Y USB to 2.5/3.5 mm plugs*/
+#define RTSYSTEMS_USB_K5G_PID 0x9e5E /* USB-K5G USB to 8 pin modular plug*/
+#define RTSYSTEMS_USB_S05_PID 0x9e5F /* USB-RTS05 USB to 2.5 mm stereo plug*/
+#define RTSYSTEMS_USB_60_PID 0x9e60 /* USB-60 USB to 6 pin din*/
+#define RTSYSTEMS_USB_61_PID 0x9e61 /* USB-61 USB to 6 pin mini din*/
+#define RTSYSTEMS_USB_62_PID 0x9e62 /* USB-62 USB to 8 pin mini din*/
+#define RTSYSTEMS_USB_63B_PID 0x9e63 /* USB-63 USB to 9 pin female*/
+#define RTSYSTEMS_USB_64_PID 0x9e64 /* USB-64 USB to 9 pin male*/
+#define RTSYSTEMS_USB_65_PID 0x9e65 /* USB-65 USB to 9 pin female null modem*/
+#define RTSYSTEMS_USB_92_PID 0x9e66 /* USB-92 USB to 12 pin plug*/
+#define RTSYSTEMS_USB_92D_PID 0x9e67 /* USB-92D USB to 12 pin plug data*/
+#define RTSYSTEMS_USB_W5R_PID 0x9e68 /* USB-W5R USB to 8 pin modular plug*/
+#define RTSYSTEMS_USB_A5R_PID 0x9e69 /* USB-A5R USB to 8 pin modular plug*/
+#define RTSYSTEMS_USB_PW1_PID 0x9e6A /* USB-PW1 USB to 8 pin modular plug*/
/*
* Physik Instrumente
usb_bulk_msg(serial->dev,
usb_sndbulkpipe(serial->dev,
port->bulk_out_endpointAddress), buf,
- count, &actual, HZ * 1);
+ count, &actual, 1000);
if (status != IUU_OPERATION_OK)
dbg("%s - error = %2x", __func__, status);
usb_bulk_msg(serial->dev,
usb_rcvbulkpipe(serial->dev,
port->bulk_in_endpointAddress), buf,
- count, &actual, HZ * 1);
+ count, &actual, 1000);
if (status != IUU_OPERATION_OK)
dbg("%s - error = %2x", __func__, status);
d_details = s_priv->device_details;
device_port = port->number - port->serial->minor;
- outcont_urb = d_details->outcont_endpoints[port->number];
+ outcont_urb = d_details->outcont_endpoints[device_port];
this_urb = p_priv->outcont_urb;
dbg("%s - endpoint %d", __func__, usb_pipeendpoint(this_urb->pipe));
if (d_details == NULL) {
dev_err(&serial->dev->dev, "%s - unknown product id %x\n",
__func__, le16_to_cpu(serial->dev->descriptor.idProduct));
- return 1;
+ return -ENODEV;
}
/* Setup private data for serial driver */
#define DRIVER_DESC "Moschip USB Serial Driver"
/* default urb timeout */
-#define MOS_WDR_TIMEOUT (HZ * 5)
+#define MOS_WDR_TIMEOUT 5000
#define MOS_MAX_PORT 0x02
#define MOS_WRITE 0x0E
struct list_head urblist_entry;
struct kref ref_count;
struct urb *urb;
+ struct usb_ctrlrequest *setup;
};
enum mos7715_pp_modes {
__u8 requesttype = (__u8)0xc0;
__u16 index = get_reg_index(reg);
__u16 value = get_reg_value(reg, serial_portnum);
- int status = usb_control_msg(usbdev, pipe, request, requesttype, value,
- index, data, 1, MOS_WDR_TIMEOUT);
- if (status < 0)
+ u8 *buf;
+ int status;
+
+ buf = kmalloc(1, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ status = usb_control_msg(usbdev, pipe, request, requesttype, value,
+ index, buf, 1, MOS_WDR_TIMEOUT);
+ if (status == 1)
+ *data = *buf;
+ else if (status < 0)
dev_err(&usbdev->dev,
"mos7720: usb_control_msg() failed: %d", status);
+ kfree(buf);
+
return status;
}
struct mos7715_parport *mos_parport = urbtrack->mos_parport;
dbg("%s called", __func__);
usb_free_urb(urbtrack->urb);
+ kfree(urbtrack->setup);
kfree(urbtrack);
kref_put(&mos_parport->ref_count, destroy_mos_parport);
}
struct urbtracker *urbtrack;
int ret_val;
unsigned long flags;
- struct usb_ctrlrequest setup;
struct usb_serial *serial = mos_parport->serial;
struct usb_device *usbdev = serial->dev;
dbg("%s called", __func__);
kfree(urbtrack);
return -ENOMEM;
}
- setup.bRequestType = (__u8)0x40;
- setup.bRequest = (__u8)0x0e;
- setup.wValue = get_reg_value(reg, dummy);
- setup.wIndex = get_reg_index(reg);
- setup.wLength = 0;
+ urbtrack->setup = kmalloc(sizeof(*urbtrack->setup), GFP_ATOMIC);
+ if (!urbtrack->setup) {
+ usb_free_urb(urbtrack->urb);
+ kfree(urbtrack);
+ return -ENOMEM;
+ }
+ urbtrack->setup->bRequestType = (__u8)0x40;
+ urbtrack->setup->bRequest = (__u8)0x0e;
+ urbtrack->setup->wValue = cpu_to_le16(get_reg_value(reg, dummy));
+ urbtrack->setup->wIndex = cpu_to_le16(get_reg_index(reg));
+ urbtrack->setup->wLength = 0;
usb_fill_control_urb(urbtrack->urb, usbdev,
usb_sndctrlpipe(usbdev, 0),
- (unsigned char *)&setup,
+ (unsigned char *)urbtrack->setup,
NULL, 0, async_complete, urbtrack);
kref_init(&urbtrack->ref_count);
INIT_LIST_HEAD(&urbtrack->urblist_entry);
mos7720_port->shadowMCR |= (UART_MCR_XONANY);
/* To set hardware flow control to the specified *
* serial port, in SP1/2_CONTROL_REG */
- if (port->number)
+ if (port_number)
write_mos_reg(serial, dummy, SP_CONTROL_REG, 0x01);
else
write_mos_reg(serial, dummy, SP_CONTROL_REG, 0x02);
/* setting configuration feature to one */
usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
- (__u8)0x03, 0x00, 0x01, 0x00, NULL, 0x00, 5*HZ);
+ (__u8)0x03, 0x00, 0x01, 0x00, NULL, 0x00, 5000);
/* start the interrupt urb */
ret_val = usb_submit_urb(serial->port[0]->interrupt_in_urb, GFP_KERNEL);
/* wait for synchronous usb calls to return */
if (mos_parport->msg_pending)
wait_for_completion_timeout(&mos_parport->syncmsg_compl,
- MOS_WDR_TIMEOUT);
+ msecs_to_jiffies(MOS_WDR_TIMEOUT));
parport_remove_port(mos_parport->pp);
usb_set_serial_data(serial, NULL);
#define URB_TRANSFER_BUFFER_SIZE 32 /* URB Size */
+enum mos7840_flag {
+ MOS7840_FLAG_CTRL_BUSY,
+};
+
static const struct usb_device_id moschip_port_id_table[] = {
{USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7840)},
{USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7820)},
struct urb *write_urb_pool[NUM_URBS];
char busy[NUM_URBS];
bool read_urb_busy;
+
+ unsigned long flags;
};
/* this urb is terminated, clean up */
dbg("%s - urb shutting down with status: %d", __func__,
status);
- return;
+ goto out;
default:
dbg("%s - nonzero urb status received: %d", __func__,
status);
- return;
+ goto out;
}
dbg("%s urb buffer size is %d", __func__, urb->actual_length);
mos7840_handle_new_msr(mos7840_port, regval);
else if (mos7840_port->MsrLsr == 1)
mos7840_handle_new_lsr(mos7840_port, regval);
+out:
+ clear_bit_unlock(MOS7840_FLAG_CTRL_BUSY, &mos7840_port->flags);
}
static int mos7840_get_reg(struct moschip_port *mcs, __u16 Wval, __u16 reg,
unsigned char *buffer = mcs->ctrl_buf;
int ret;
+ if (test_and_set_bit_lock(MOS7840_FLAG_CTRL_BUSY, &mcs->flags))
+ return -EBUSY;
+
dr->bRequestType = MCS_RD_RTYPE;
dr->bRequest = MCS_RDREQ;
dr->wValue = cpu_to_le16(Wval); /* 0 */
mos7840_control_callback, mcs);
mcs->control_urb->transfer_buffer_length = 2;
ret = usb_submit_urb(mcs->control_urb, GFP_ATOMIC);
+ if (ret)
+ clear_bit_unlock(MOS7840_FLAG_CTRL_BUSY, &mcs->flags);
+
return ret;
}
status = mos7840_get_reg_sync(port, mos7840_port->SpRegOffset, &Data);
if (status < 0) {
dbg("Reading Spreg failed");
- return -1;
+ goto err;
}
Data |= 0x80;
status = mos7840_set_reg_sync(port, mos7840_port->SpRegOffset, Data);
if (status < 0) {
dbg("writing Spreg failed");
- return -1;
+ goto err;
}
Data &= ~0x80;
status = mos7840_set_reg_sync(port, mos7840_port->SpRegOffset, Data);
if (status < 0) {
dbg("writing Spreg failed");
- return -1;
+ goto err;
}
/* End of block to be checked */
&Data);
if (status < 0) {
dbg("Reading Controlreg failed");
- return -1;
+ goto err;
}
Data |= 0x08; /* Driver done bit */
Data |= 0x20; /* rx_disable */
mos7840_port->ControlRegOffset, Data);
if (status < 0) {
dbg("writing Controlreg failed");
- return -1;
+ goto err;
}
/* do register settings here */
/* Set all regs to the device default values. */
status = mos7840_set_uart_reg(port, INTERRUPT_ENABLE_REGISTER, Data);
if (status < 0) {
dbg("disabling interrupts failed");
- return -1;
+ goto err;
}
/* Set FIFO_CONTROL_REGISTER to the default value */
Data = 0x00;
status = mos7840_set_uart_reg(port, FIFO_CONTROL_REGISTER, Data);
if (status < 0) {
dbg("Writing FIFO_CONTROL_REGISTER failed");
- return -1;
+ goto err;
}
Data = 0xcf;
status = mos7840_set_uart_reg(port, FIFO_CONTROL_REGISTER, Data);
if (status < 0) {
dbg("Writing FIFO_CONTROL_REGISTER failed");
- return -1;
+ goto err;
}
Data = 0x03;
dbg ("%s leave", __func__);
return 0;
-
+err:
+ for (j = 0; j < NUM_URBS; ++j) {
+ urb = mos7840_port->write_urb_pool[j];
+ if (!urb)
+ continue;
+ kfree(urb->transfer_buffer);
+ usb_free_urb(urb);
+ }
+ return status;
}
/*****************************************************************************
#define HUAWEI_VENDOR_ID 0x12D1
#define HUAWEI_PRODUCT_E173 0x140C
+#define HUAWEI_PRODUCT_E1750 0x1406
#define HUAWEI_PRODUCT_K4505 0x1464
#define HUAWEI_PRODUCT_K3765 0x1465
#define HUAWEI_PRODUCT_K4605 0x14C6
#define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_FULLSPEED 0x9000
#define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_HIGHSPEED 0x9001
#define NOVATELWIRELESS_PRODUCT_E362 0x9010
-#define NOVATELWIRELESS_PRODUCT_G1 0xA001
-#define NOVATELWIRELESS_PRODUCT_G1_M 0xA002
#define NOVATELWIRELESS_PRODUCT_G2 0xA010
#define NOVATELWIRELESS_PRODUCT_MC551 0xB001
#define DELL_PRODUCT_5800_MINICARD_VZW 0x8195 /* Novatel E362 */
#define DELL_PRODUCT_5800_V2_MINICARD_VZW 0x8196 /* Novatel E362 */
+#define DELL_PRODUCT_5804_MINICARD_ATT 0x819b /* Novatel E371 */
#define KYOCERA_VENDOR_ID 0x0c88
#define KYOCERA_PRODUCT_KPC650 0x17da
#define CINTERION_PRODUCT_EU3_E 0x0051
#define CINTERION_PRODUCT_EU3_P 0x0052
#define CINTERION_PRODUCT_PH8 0x0053
-#define CINTERION_PRODUCT_AH6 0x0055
-#define CINTERION_PRODUCT_PLS8 0x0060
+#define CINTERION_PRODUCT_AHXX 0x0055
+#define CINTERION_PRODUCT_PLXX 0x0060
/* Olivetti products */
#define OLIVETTI_VENDOR_ID 0x0b3c
#define OLIVETTI_PRODUCT_OLICARD100 0xc000
#define OLIVETTI_PRODUCT_OLICARD145 0xc003
+#define OLIVETTI_PRODUCT_OLICARD200 0xc005
/* Celot products */
#define CELOT_VENDOR_ID 0x211f
#define CELOT_PRODUCT_CT680M 0x6801
-/* ONDA Communication vendor id */
-#define ONDA_VENDOR_ID 0x1ee8
-
-/* ONDA MT825UP HSDPA 14.2 modem */
-#define ONDA_MT825UP 0x000b
-
/* Samsung products */
#define SAMSUNG_VENDOR_ID 0x04e8
#define SAMSUNG_PRODUCT_GT_B3730 0x6889
/* Hyundai Petatel Inc. products */
#define PETATEL_VENDOR_ID 0x1ff4
-#define PETATEL_PRODUCT_NP10T 0x600e
+#define PETATEL_PRODUCT_NP10T_600A 0x600a
+#define PETATEL_PRODUCT_NP10T_600E 0x600e
/* TP-LINK Incorporated products */
#define TPLINK_VENDOR_ID 0x2357
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1c23, USB_CLASS_COMM, 0x02, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E173, 0xff, 0xff, 0xff),
.driver_info = (kernel_ulong_t) &net_intf1_blacklist },
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1750, 0xff, 0xff, 0xff),
+ .driver_info = (kernel_ulong_t) &net_intf2_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1441, USB_CLASS_COMM, 0x02, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1442, USB_CLASS_COMM, 0x02, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4505, 0xff, 0xff, 0xff),
.driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3765, 0xff, 0xff, 0xff),
.driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist },
+ { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x14ac, 0xff, 0xff, 0xff), /* Huawei E1820 */
+ .driver_info = (kernel_ulong_t) &net_intf1_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4605, 0xff, 0xff, 0xff),
.driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist },
{ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0xff, 0xff) },
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC547) },
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_HIGHSPEED) },
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_HIGHSPEED) },
- { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_G1) },
- { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_G1_M) },
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_G2) },
/* Novatel Ovation MC551 a.k.a. Verizon USB551L */
{ USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC551, 0xff, 0xff, 0xff) },
{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_VZW) }, /* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
{ USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, DELL_PRODUCT_5800_MINICARD_VZW, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, DELL_PRODUCT_5800_V2_MINICARD_VZW, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, DELL_PRODUCT_5804_MINICARD_ATT, 0xff, 0xff, 0xff) },
{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) }, /* ADU-E100, ADU-310 */
{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) },
{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) },
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6000)}, /* ZTE AC8700 */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
+ { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x0023)}, /* ONYX 3G device */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */
{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6280) }, /* BP3-USB & BP3-EXT HSDPA */
{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6008) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0017, 0xff, 0xff, 0xff),
.driver_info = (kernel_ulong_t)&net_intf3_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0018, 0xff, 0xff, 0xff) },
- { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0019, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0019, 0xff, 0xff, 0xff),
+ .driver_info = (kernel_ulong_t)&net_intf3_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0020, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0021, 0xff, 0xff, 0xff),
.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0330, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0395, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0412, 0xff, 0xff, 0xff), /* Telewell TW-LTE 4G */
+ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0414, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0417, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1008, 0xff, 0xff, 0xff),
{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_EU3_E) },
{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_EU3_P) },
{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PH8) },
- { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AH6) },
- { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PLS8) },
+ { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX) },
+ { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PLXX),
+ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) },
{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) },
{ USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDM) },
{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100) },
{ USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD145) },
+ { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD200) },
{ USB_DEVICE(CELOT_VENDOR_ID, CELOT_PRODUCT_CT680M) }, /* CT-650 CDMA 450 1xEVDO modem */
- { USB_DEVICE(ONDA_VENDOR_ID, ONDA_MT825UP) }, /* ONDA MT825UP modem */
{ USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_GT_B3730, USB_CLASS_CDC_DATA, 0x00, 0x00) }, /* Samsung GT-B3730 LTE USB modem.*/
{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM600) },
{ USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM610) },
{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x02, 0x01) },
{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x00, 0x00) },
{ USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MEN200) },
- { USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T) },
+ { USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T_600A) },
+ { USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T_600E) },
{ USB_DEVICE(TPLINK_VENDOR_ID, TPLINK_PRODUCT_MA180),
.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+ { USB_DEVICE(TPLINK_VENDOR_ID, 0x9000), /* TP-Link MA260 */
+ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
{ USB_DEVICE(CHANGHONG_VENDOR_ID, CHANGHONG_PRODUCT_CH690) },
{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d01, 0xff, 0x02, 0x01) }, /* D-Link DWM-156 (variant) */
{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d01, 0xff, 0x00, 0x00) }, /* D-Link DWM-156 (variant) */
{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d02, 0xff, 0x00, 0x00) },
{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x02, 0x01) },
{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x00, 0x00) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, option_ids);
serial settings even to the same values as before. Thus
we actually need to filter in this specific case */
- if (!tty_termios_hw_change(tty->termios, old_termios))
+ if (old_termios && !tty_termios_hw_change(tty->termios, old_termios))
return;
cflag = tty->termios->c_cflag;
if (!buf) {
dev_err(&port->dev, "%s - out of memory.\n", __func__);
/* Report back no change occurred */
- *tty->termios = *old_termios;
+ if (old_termios)
+ *tty->termios = *old_termios;
return;
}
control = priv->line_control;
if ((cflag & CBAUD) == B0)
priv->line_control &= ~(CONTROL_DTR | CONTROL_RTS);
- else if ((old_termios->c_cflag & CBAUD) == B0)
+ else if (old_termios && (old_termios->c_cflag & CBAUD) == B0)
priv->line_control |= (CONTROL_DTR | CONTROL_RTS);
if (control != priv->line_control) {
control = priv->line_control;
static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
{
- struct ktermios tmp_termios;
struct usb_serial *serial = port->serial;
struct pl2303_private *priv = usb_get_serial_port_data(port);
int result;
/* Setup termios */
if (tty)
- pl2303_set_termios(tty, port, &tmp_termios);
+ pl2303_set_termios(tty, port, NULL);
dbg("%s - submitting read urb", __func__);
result = usb_serial_generic_submit_read_urb(port, GFP_KERNEL);
{DEVICE_G1K(0x04da, 0x250c)}, /* Panasonic Gobi QDL device */
{DEVICE_G1K(0x413c, 0x8172)}, /* Dell Gobi Modem device */
{DEVICE_G1K(0x413c, 0x8171)}, /* Dell Gobi QDL device */
- {DEVICE_G1K(0x1410, 0xa001)}, /* Novatel Gobi Modem device */
+ {DEVICE_G1K(0x1410, 0xa001)}, /* Novatel/Verizon USB-1000 */
+ {DEVICE_G1K(0x1410, 0xa002)}, /* Novatel Gobi Modem device */
+ {DEVICE_G1K(0x1410, 0xa003)}, /* Novatel Gobi Modem device */
+ {DEVICE_G1K(0x1410, 0xa004)}, /* Novatel Gobi Modem device */
+ {DEVICE_G1K(0x1410, 0xa005)}, /* Novatel Gobi Modem device */
+ {DEVICE_G1K(0x1410, 0xa006)}, /* Novatel Gobi Modem device */
+ {DEVICE_G1K(0x1410, 0xa007)}, /* Novatel Gobi Modem device */
{DEVICE_G1K(0x1410, 0xa008)}, /* Novatel Gobi QDL device */
{DEVICE_G1K(0x0b05, 0x1776)}, /* Asus Gobi Modem device */
{DEVICE_G1K(0x0b05, 0x1774)}, /* Asus Gobi QDL device */
{USB_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */
{USB_DEVICE(0x12D1, 0x14F0)}, /* Sony Gobi 3000 QDL */
{USB_DEVICE(0x12D1, 0x14F1)}, /* Sony Gobi 3000 Composite */
+ {USB_DEVICE(0x0AF0, 0x8120)}, /* Option GTM681W */
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, id_table);
struct spcp8x5_private *priv = usb_get_serial_port_data(port);
unsigned long flags;
unsigned int cflag = tty->termios->c_cflag;
- unsigned int old_cflag = old_termios->c_cflag;
unsigned short uartdata;
unsigned char buf[2] = {0, 0};
int baud;
/* check that they really want us to change something */
- if (!tty_termios_hw_change(tty->termios, old_termios))
+ if (old_termios && !tty_termios_hw_change(tty->termios, old_termios))
return;
/* set DTR/RTS active */
spin_lock_irqsave(&priv->lock, flags);
control = priv->line_control;
- if ((old_cflag & CBAUD) == B0) {
+ if (old_termios && (old_termios->c_cflag & CBAUD) == B0) {
priv->line_control |= MCR_DTR;
- if (!(old_cflag & CRTSCTS))
+ if (!(old_termios->c_cflag & CRTSCTS))
priv->line_control |= MCR_RTS;
}
if (control != priv->line_control) {
* status of the device. */
static int spcp8x5_open(struct tty_struct *tty, struct usb_serial_port *port)
{
- struct ktermios tmp_termios;
struct usb_serial *serial = port->serial;
struct spcp8x5_private *priv = usb_get_serial_port_data(port);
int ret;
/* Setup termios */
if (tty)
- spcp8x5_set_termios(tty, port, &tmp_termios);
+ spcp8x5_set_termios(tty, port, NULL);
spcp8x5_get_msr(serial->dev, &status, priv->type);
{ USB_DEVICE(IBM_VENDOR_ID, IBM_4543_PRODUCT_ID) },
{ USB_DEVICE(IBM_VENDOR_ID, IBM_454B_PRODUCT_ID) },
{ USB_DEVICE(IBM_VENDOR_ID, IBM_454C_PRODUCT_ID) },
- { USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_PRODUCT_ID) },
+ { USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_STEREO_PLUG_ID) },
+ { USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_STRIP_PORT_ID) },
{ USB_DEVICE(TI_VENDOR_ID, FRI2_PRODUCT_ID) },
};
usb_set_serial_data(serial, tdev);
/* determine device type */
- if (usb_match_id(serial->interface, ti_id_table_3410))
+ if (serial->type == &ti_1port_device)
tdev->td_is_3410 = 1;
dbg("%s - device type is %s", __func__,
tdev->td_is_3410 ? "3410" : "5052");
dbg("%s\n", __func__);
/* try ID specific firmware first, then try generic firmware */
- sprintf(buf, "ti_usb-v%04x-p%04x.fw", dev->descriptor.idVendor,
- dev->descriptor.idProduct);
+ sprintf(buf, "ti_usb-v%04x-p%04x.fw",
+ le16_to_cpu(dev->descriptor.idVendor),
+ le16_to_cpu(dev->descriptor.idProduct));
if ((status = request_firmware(&fw_p, buf, &dev->dev)) != 0) {
buf[0] = '\0';
- if (dev->descriptor.idVendor == MTS_VENDOR_ID) {
- switch (dev->descriptor.idProduct) {
+ if (le16_to_cpu(dev->descriptor.idVendor) == MTS_VENDOR_ID) {
+ switch (le16_to_cpu(dev->descriptor.idProduct)) {
case MTS_CDMA_PRODUCT_ID:
strcpy(buf, "mts_cdma.fw");
break;
/* Abbott Diabetics vendor and product ids */
#define ABBOTT_VENDOR_ID 0x1a61
-#define ABBOTT_PRODUCT_ID 0x3410
+#define ABBOTT_STEREO_PLUG_ID 0x3410
+#define ABBOTT_PRODUCT_ID ABBOTT_STEREO_PLUG_ID
+#define ABBOTT_STRIP_PORT_ID 0x3420
/* Commands */
#define TI_GET_VERSION 0x01
dest->read_urb = src->read_urb; \
dest->bulk_in_endpointAddress = src->bulk_in_endpointAddress;\
dest->bulk_in_buffer = src->bulk_in_buffer; \
+ dest->bulk_in_size = src->bulk_in_size; \
dest->interrupt_in_urb = src->interrupt_in_urb; \
+ dest->interrupt_in_urb->context = dest; \
dest->interrupt_in_endpointAddress = \
src->interrupt_in_endpointAddress;\
dest->interrupt_in_buffer = src->interrupt_in_buffer; \
struct whiteheat_port_settings port_settings;
unsigned int cflag = tty->termios->c_cflag;
- port_settings.port = port->number + 1;
+ port_settings.port = port->number - port->serial->minor + 1;
/* get the byte size */
switch (cflag & CSIZE) {
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_FIX_INQUIRY ),
+/* Submitted by Ren Bigcren <bigcren.ren@sonymobile.com> */
+UNUSUAL_DEV( 0x054c, 0x02a5, 0x0100, 0x0100,
+ "Sony Corp.",
+ "MicroVault Flash Drive",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_NO_READ_CAPACITY_16 ),
+
/* floppy reports multiple luns */
UNUSUAL_DEV( 0x055d, 0x2020, 0x0000, 0x0210,
"SAMSUNG",
#include <linux/kd.h>
#include <linux/slab.h>
#include <linux/vt_kern.h>
+#include <linux/sched.h>
#include <linux/selection.h>
#include <linux/spinlock.h>
#include <linux/ioport.h>
if (arg) {
if (set)
- for (i = 0; i < cmapsz; i++)
+ for (i = 0; i < cmapsz; i++) {
vga_writeb(arg[i], charmap + i);
+ cond_resched();
+ }
else
- for (i = 0; i < cmapsz; i++)
+ for (i = 0; i < cmapsz; i++) {
arg[i] = vga_readb(charmap + i);
+ cond_resched();
+ }
/*
* In 512-character mode, the character map is not contiguous if
charmap += 2 * cmapsz;
arg += cmapsz;
if (set)
- for (i = 0; i < cmapsz; i++)
+ for (i = 0; i < cmapsz; i++) {
vga_writeb(arg[i], charmap + i);
+ cond_resched();
+ }
else
- for (i = 0; i < cmapsz; i++)
+ for (i = 0; i < cmapsz; i++) {
arg[i] = vga_readb(charmap + i);
+ cond_resched();
+ }
}
}
}
EXPORT_SYMBOL_GPL(virtqueue_disable_cb);
-bool virtqueue_enable_cb(struct virtqueue *_vq)
+/**
+ * virtqueue_enable_cb_prepare - restart callbacks after disable_cb
+ * @vq: the struct virtqueue we're talking about.
+ *
+ * This re-enables callbacks; it returns current queue state
+ * in an opaque unsigned value. This value should be later tested by
+ * virtqueue_poll, to detect a possible race between the driver checking for
+ * more work, and enabling callbacks.
+ *
+ * Caller must ensure we don't call this with other virtqueue
+ * operations at the same time (except where noted).
+ */
+unsigned virtqueue_enable_cb_prepare(struct virtqueue *_vq)
{
struct vring_virtqueue *vq = to_vvq(_vq);
+ u16 last_used_idx;
START_USE(vq);
* either clear the flags bit or point the event index at the next
* entry. Always do both to keep code simple. */
vq->vring.avail->flags &= ~VRING_AVAIL_F_NO_INTERRUPT;
- vring_used_event(&vq->vring) = vq->last_used_idx;
+ vring_used_event(&vq->vring) = last_used_idx = vq->last_used_idx;
+ END_USE(vq);
+ return last_used_idx;
+}
+EXPORT_SYMBOL_GPL(virtqueue_enable_cb_prepare);
+
+/**
+ * virtqueue_poll - query pending used buffers
+ * @vq: the struct virtqueue we're talking about.
+ * @last_used_idx: virtqueue state (from call to virtqueue_enable_cb_prepare).
+ *
+ * Returns "true" if there are pending used buffers in the queue.
+ *
+ * This does not need to be serialized.
+ */
+bool virtqueue_poll(struct virtqueue *_vq, unsigned last_used_idx)
+{
+ struct vring_virtqueue *vq = to_vvq(_vq);
+
virtio_mb();
- if (unlikely(more_used(vq))) {
- END_USE(vq);
- return false;
- }
+ return (u16)last_used_idx != vq->vring.used->idx;
+}
+EXPORT_SYMBOL_GPL(virtqueue_poll);
- END_USE(vq);
- return true;
+/**
+ * virtqueue_enable_cb - restart callbacks after disable_cb.
+ * @vq: the struct virtqueue we're talking about.
+ *
+ * This re-enables callbacks; it returns "false" if there are pending
+ * buffers in the queue, to detect a possible race between the driver
+ * checking for more work, and enabling callbacks.
+ *
+ * Caller must ensure we don't call this with other virtqueue
+ * operations at the same time (except where noted).
+ */
+bool virtqueue_enable_cb(struct virtqueue *_vq)
+{
+ unsigned last_used_idx = virtqueue_enable_cb_prepare(_vq);
+ return !virtqueue_poll(_vq, last_used_idx);
}
EXPORT_SYMBOL_GPL(virtqueue_enable_cb);
for_each_possible_cpu(i)
memset(per_cpu(cpu_evtchn_mask, i),
- (i == 0) ? ~0 : 0, sizeof(*per_cpu(cpu_evtchn_mask, i)));
+ (i == 0) ? ~0 : 0, NR_EVENT_CHANNELS/8);
}
static inline void clear_evtchn(int port)
{
int start_word_idx, start_bit_idx;
int word_idx, bit_idx;
- int i;
+ int i, irq;
int cpu = get_cpu();
struct shared_info *s = HYPERVISOR_shared_info;
struct vcpu_info *vcpu_info = __this_cpu_read(xen_vcpu);
do {
unsigned long pending_words;
+ unsigned long pending_bits;
+ struct irq_desc *desc;
vcpu_info->evtchn_upcall_pending = 0;
/* Clear master flag /before/ clearing selector flag. */
wmb();
#endif
+ if ((irq = per_cpu(virq_to_irq, cpu)[VIRQ_TIMER]) != -1) {
+ int evtchn = evtchn_from_irq(irq);
+ word_idx = evtchn / BITS_PER_LONG;
+ pending_bits = evtchn % BITS_PER_LONG;
+ if (active_evtchns(cpu, s, word_idx) & (1ULL << pending_bits)) {
+ desc = irq_to_desc(irq);
+ if (desc)
+ generic_handle_irq_desc(irq, desc);
+ }
+ }
+
pending_words = xchg(&vcpu_info->evtchn_pending_sel, 0);
start_word_idx = __this_cpu_read(current_word_idx);
word_idx = start_word_idx;
for (i = 0; pending_words != 0; i++) {
- unsigned long pending_bits;
unsigned long words;
words = MASK_LSBS(pending_words, word_idx);
do {
unsigned long bits;
- int port, irq;
- struct irq_desc *desc;
+ int port;
bits = MASK_LSBS(pending_bits, bit_idx);
/* Rebind an evtchn so that it gets delivered to a specific cpu */
static int rebind_irq_to_cpu(unsigned irq, unsigned tcpu)
{
+ struct shared_info *s = HYPERVISOR_shared_info;
struct evtchn_bind_vcpu bind_vcpu;
int evtchn = evtchn_from_irq(irq);
+ int masked;
if (!VALID_EVTCHN(evtchn))
return -1;
bind_vcpu.port = evtchn;
bind_vcpu.vcpu = tcpu;
+ /*
+ * Mask the event while changing the VCPU binding to prevent
+ * it being delivered on an unexpected VCPU.
+ */
+ masked = sync_test_and_set_bit(evtchn, s->evtchn_mask);
+
/*
* If this fails, it usually just indicates that we're dealing with a
* virq or IPI channel, which don't actually need to be rebound. Ignore
if (HYPERVISOR_event_channel_op(EVTCHNOP_bind_vcpu, &bind_vcpu) >= 0)
bind_evtchn_to_cpu(evtchn, tcpu);
+ if (!masked)
+ unmask_evtchn(evtchn);
+
return 0;
}
void (*fn)(void *), void *arg, u16 count)
{
unsigned long flags;
+ struct gnttab_free_callback *cb;
+
spin_lock_irqsave(&gnttab_list_lock, flags);
- if (callback->next)
- goto out;
+
+ /* Check if the callback is already on the list */
+ cb = gnttab_free_callback_list;
+ while (cb) {
+ if (cb == callback)
+ goto out;
+ cb = cb->next;
+ }
+
callback->fn = fn;
callback->arg = arg;
callback->count = count;
/* This is an autofs submount, we can't expire it */
if (autofs_type_indirect(sbi->type))
goto done;
-
- /*
- * Otherwise it's an offset mount and we need to check
- * if we can umount its mount, if there is one.
- */
- if (!d_mountpoint(path.dentry)) {
- status = 0;
- goto done;
- }
}
/* Update the expiry counter if fs is busy */
int iov_idx = 0;
unsigned int iov_off = 0;
- __bio_for_each_segment(bvec, bio, i, 0) {
+ bio_for_each_segment_all(bvec, bio, i) {
char *bv_addr = page_address(bvec->bv_page);
unsigned int bv_len = iovecs[i].bv_len;
int bio_uncopy_user(struct bio *bio)
{
struct bio_map_data *bmd = bio->bi_private;
- int ret = 0;
+ struct bio_vec *bvec;
+ int ret = 0, i;
- if (!bio_flagged(bio, BIO_NULL_MAPPED))
- ret = __bio_copy_iov(bio, bmd->iovecs, bmd->sgvecs,
- bmd->nr_sgvecs, bio_data_dir(bio) == READ,
- 0, bmd->is_our_pages);
+ if (!bio_flagged(bio, BIO_NULL_MAPPED)) {
+ /*
+ * if we're in a workqueue, the request is orphaned, so
+ * don't copy into a random user address space, just free.
+ */
+ if (current->mm)
+ ret = __bio_copy_iov(bio, bmd->iovecs, bmd->sgvecs,
+ bmd->nr_sgvecs, bio_data_dir(bio) == READ,
+ 0, bmd->is_our_pages);
+ else if (bmd->is_our_pages)
+ bio_for_each_segment_all(bvec, bio, i)
+ __free_page(bvec->bv_page);
+ }
bio_free_map_data(bmd);
bio_put(bio);
return ret;
return bio;
cleanup:
if (!map_data)
- bio_for_each_segment(bvec, bio, i)
+ bio_for_each_segment_all(bvec, bio, i)
__free_page(bvec->bv_page);
bio_put(bio);
/*
* make sure we dirty pages we wrote to
*/
- __bio_for_each_segment(bvec, bio, i, 0) {
+ bio_for_each_segment_all(bvec, bio, i) {
if (bio_data_dir(bio) == READ)
set_page_dirty_lock(bvec->bv_page);
int i;
char *p = bmd->sgvecs[0].iov_base;
- __bio_for_each_segment(bvec, bio, i, 0) {
+ bio_for_each_segment_all(bvec, bio, i) {
char *addr = page_address(bvec->bv_page);
int len = bmd->iovecs[i].bv_len;
if (!reading) {
void *p = data;
- bio_for_each_segment(bvec, bio, i) {
+ bio_for_each_segment_all(bvec, bio, i) {
char *addr = page_address(bvec->bv_page);
memcpy(addr, p, bvec->bv_len);
if (index >= bio->bi_idx)
index = bio->bi_vcnt - 1;
- __bio_for_each_segment(bv, bio, i, 0) {
+ bio_for_each_segment_all(bv, bio, i) {
if (i == index) {
if (offset > bv->bv_offset)
sectors += (offset - bv->bv_offset) / sector_sz;
struct backing_dev_info *dst)
{
struct backing_dev_info *old = inode->i_data.backing_dev_info;
+ bool wakeup_bdi = false;
if (unlikely(dst == old)) /* deadlock avoidance */
return;
bdi_lock_two(&old->wb, &dst->wb);
spin_lock(&inode->i_lock);
inode->i_data.backing_dev_info = dst;
- if (inode->i_state & I_DIRTY)
+ if (inode->i_state & I_DIRTY) {
+ if (bdi_cap_writeback_dirty(dst) && !wb_has_dirty_io(&dst->wb))
+ wakeup_bdi = true;
list_move(&inode->i_wb_list, &dst->wb.b_dirty);
+ }
spin_unlock(&inode->i_lock);
spin_unlock(&old->wb.list_lock);
spin_unlock(&dst->wb.list_lock);
+
+ if (wakeup_bdi)
+ bdi_wakeup_thread_delayed(dst);
}
sector_t blkdev_max_block(struct block_device *bdev)
int err = 0;
int ret;
int level;
+ bool root_dropped = false;
path = btrfs_alloc_path();
if (!path) {
while (1) {
btrfs_tree_lock(path->nodes[level]);
btrfs_set_lock_blocking(path->nodes[level]);
+ path->locks[level] = BTRFS_WRITE_LOCK_BLOCKING;
ret = btrfs_lookup_extent_info(trans, root,
path->nodes[level]->start,
break;
btrfs_tree_unlock(path->nodes[level]);
+ path->locks[level] = 0;
WARN_ON(wc->refs[level] != 1);
level--;
}
free_extent_buffer(root->commit_root);
kfree(root);
}
+ root_dropped = true;
out_free:
btrfs_end_transaction_throttle(trans, tree_root);
kfree(wc);
btrfs_free_path(path);
out:
+ /*
+ * So if we need to stop dropping the snapshot for whatever reason we
+ * need to make sure to add it back to the dead root list so that we
+ * keep trying to do the work later. This also cleans up roots if we
+ * don't have it in the radix (like when we recover after a power fail
+ * or unmount) so we don't leak memory.
+ */
+ if (root_dropped == false)
+ btrfs_add_dead_root(root);
if (err)
btrfs_std_error(root->fs_info, err);
return;
item_off = btrfs_item_ptr_offset(leaf, i);
item_len = btrfs_item_size_nr(leaf, i);
- if (item_len > BTRFS_SEARCH_ARGS_BUFSIZE)
+ btrfs_item_key_to_cpu(leaf, key, i);
+ if (!key_in_sk(key, sk))
+ continue;
+
+ if (sizeof(sh) + item_len > BTRFS_SEARCH_ARGS_BUFSIZE)
item_len = 0;
if (sizeof(sh) + item_len + *sk_offset >
goto overflow;
}
- btrfs_item_key_to_cpu(leaf, key, i);
- if (!key_in_sk(key, sk))
- continue;
-
sh.objectid = key->objectid;
sh.offset = key->offset;
sh.type = key->type;
/*
* express utilization in terms of large blocks to avoid
* overflow on 32-bit machines.
+ *
+ * NOTE: for the time being, we make bsize == frsize to humor
+ * not-yet-ancient versions of glibc that are broken.
+ * Someday, we will probably want to report a real block
+ * size... whatever that may mean for a network file system!
*/
buf->f_bsize = 1 << CEPH_BLOCK_SHIFT;
+ buf->f_frsize = 1 << CEPH_BLOCK_SHIFT;
buf->f_blocks = le64_to_cpu(st.kb) >> (CEPH_BLOCK_SHIFT-10);
buf->f_bfree = le64_to_cpu(st.kb_avail) >> (CEPH_BLOCK_SHIFT-10);
buf->f_bavail = le64_to_cpu(st.kb_avail) >> (CEPH_BLOCK_SHIFT-10);
buf->f_files = le64_to_cpu(st.num_objects);
buf->f_ffree = -1;
buf->f_namelen = NAME_MAX;
- buf->f_frsize = PAGE_CACHE_SIZE;
/* leave fsid little-endian, regardless of host endianness */
fsid = *(u64 *)(&monmap->fsid) ^ *((u64 *)&monmap->fsid + 1);
/* large granularity for statfs utilization stats to facilitate
* large volume sizes on 32-bit machines. */
-#define CEPH_BLOCK_SHIFT 20 /* 1 MB */
+#define CEPH_BLOCK_SHIFT 22 /* 4 MB */
#define CEPH_BLOCK (1 << CEPH_BLOCK_SHIFT)
#define CEPH_MOUNT_OPT_DIRSTAT (1<<4) /* `cat dirname` for stats */
#include <linux/slab.h>
#include <linux/vfs.h>
#include <linux/fs.h>
+#include <linux/inet.h>
#include "cifsglob.h"
#include "cifsproto.h"
#include "cifsfs.h"
* assuming that we have 'unc=' and 'ip=' in
* the original sb_mountdata
*/
- md_len = strlen(sb_mountdata) + rc + strlen(ref->node_name) + 12;
+ md_len = strlen(sb_mountdata) + rc + strlen(ref->node_name) + 12 +
+ INET6_ADDRSTRLEN;
mountdata = kzalloc(md_len+1, GFP_KERNEL);
if (mountdata == NULL) {
rc = -ENOMEM;
/*
* UniStrupr: Upper case a unicode string
*/
-static inline wchar_t *
-UniStrupr(register wchar_t *upin)
+static inline __le16 *
+UniStrupr(register __le16 *upin)
{
- register wchar_t *up;
+ register __le16 *up;
up = upin;
while (*up) { /* For all characters */
- *up = UniToupper(*up);
+ *up = cpu_to_le16(UniToupper(le16_to_cpu(*up)));
up++;
}
return upin; /* Return input pointer */
if (blobptr + attrsize > blobend)
break;
if (type == NTLMSSP_AV_NB_DOMAIN_NAME) {
- if (!attrsize)
+ if (!attrsize || attrsize >= CIFS_MAX_DOMAINNAME_LEN)
break;
if (!ses->domainName) {
ses->domainName =
int rc = 0;
int len;
char nt_hash[CIFS_NTHASH_SIZE];
- wchar_t *user;
+ __le16 *user;
wchar_t *domain;
wchar_t *server;
return rc;
}
- /* convert ses->user_name to unicode and uppercase */
+ /* convert ses->user_name to unicode */
len = strlen(ses->user_name);
user = kmalloc(2 + (len * 2), GFP_KERNEL);
if (user == NULL) {
rc = -ENOMEM;
return rc;
}
- len = cifs_strtoUCS((__le16 *)user, ses->user_name, len, nls_cp);
+ len = cifs_strtoUCS(user, ses->user_name, len, nls_cp);
UniStrupr(user);
rc = crypto_shash_update(&ses->server->secmech.sdeschmacmd5->shash,
#define MAX_TREE_SIZE (2 + MAX_SERVER_SIZE + 1 + MAX_SHARE_SIZE + 1)
#define MAX_SERVER_SIZE 15
#define MAX_SHARE_SIZE 80
+#define CIFS_MAX_DOMAINNAME_LEN 256 /* max domain name length */
#define MAX_USERNAME_SIZE 256 /* reasonable maximum for current servers */
#define MAX_PASSWORD_SIZE 512 /* max for windows seems to be 256 wide chars */
if (fattr->cf_flags & CIFS_FATTR_DFS_REFERRAL)
inode->i_flags |= S_AUTOMOUNT;
- cifs_set_ops(inode);
+ if (inode->i_state & I_NEW)
+ cifs_set_ops(inode);
}
void
dput(dentry);
}
+ /*
+ * If we know that the inode will need to be revalidated immediately,
+ * then don't create a new dentry for it. We'll end up doing an on
+ * the wire call either way and this spares us an invalidation.
+ */
+ if (fattr->cf_flags & CIFS_FATTR_NEED_REVAL)
+ return NULL;
+
dentry = d_alloc(parent, name);
if (dentry == NULL)
return NULL;
bytes_ret = 0;
} else
bytes_ret = cifs_strtoUCS((__le16 *) bcc_ptr, ses->domainName,
- 256, nls_cp);
+ CIFS_MAX_DOMAINNAME_LEN, nls_cp);
bcc_ptr += 2 * bytes_ret;
bcc_ptr += 2; /* account for null terminator */
/* copy domain */
if (ses->domainName != NULL) {
- strncpy(bcc_ptr, ses->domainName, 256);
- bcc_ptr += strnlen(ses->domainName, 256);
+ strncpy(bcc_ptr, ses->domainName, CIFS_MAX_DOMAINNAME_LEN);
+ bcc_ptr += strnlen(ses->domainName, CIFS_MAX_DOMAINNAME_LEN);
} /* else we will send a null domain name
so the server will default to its own domain */
*bcc_ptr = 0;
*/
void debugfs_remove_recursive(struct dentry *dentry)
{
- struct dentry *child;
- struct dentry *parent;
+ struct dentry *child, *next, *parent;
if (!dentry)
return;
return;
parent = dentry;
+ down:
mutex_lock(&parent->d_inode->i_mutex);
+ list_for_each_entry_safe(child, next, &parent->d_subdirs, d_u.d_child) {
+ if (!debugfs_positive(child))
+ continue;
- while (1) {
- /*
- * When all dentries under "parent" has been removed,
- * walk up the tree until we reach our starting point.
- */
- if (list_empty(&parent->d_subdirs)) {
- mutex_unlock(&parent->d_inode->i_mutex);
- if (parent == dentry)
- break;
- parent = parent->d_parent;
- mutex_lock(&parent->d_inode->i_mutex);
- }
- child = list_entry(parent->d_subdirs.next, struct dentry,
- d_u.d_child);
- next_sibling:
-
- /*
- * If "child" isn't empty, walk down the tree and
- * remove all its descendants first.
- */
+ /* perhaps simple_empty(child) makes more sense */
if (!list_empty(&child->d_subdirs)) {
mutex_unlock(&parent->d_inode->i_mutex);
parent = child;
- mutex_lock(&parent->d_inode->i_mutex);
- continue;
- }
- __debugfs_remove(child, parent);
- if (parent->d_subdirs.next == &child->d_u.d_child) {
- /*
- * Try the next sibling.
- */
- if (child->d_u.d_child.next != &parent->d_subdirs) {
- child = list_entry(child->d_u.d_child.next,
- struct dentry,
- d_u.d_child);
- goto next_sibling;
- }
-
- /*
- * Avoid infinite loop if we fail to remove
- * one dentry.
- */
- mutex_unlock(&parent->d_inode->i_mutex);
- break;
+ goto down;
}
- simple_release_fs(&debugfs_mount, &debugfs_mount_count);
+ up:
+ if (!__debugfs_remove(child, parent))
+ simple_release_fs(&debugfs_mount, &debugfs_mount_count);
}
- parent = dentry->d_parent;
+ mutex_unlock(&parent->d_inode->i_mutex);
+ child = parent;
+ parent = parent->d_parent;
mutex_lock(&parent->d_inode->i_mutex);
- __debugfs_remove(dentry, parent);
+
+ if (child != dentry) {
+ next = list_entry(child->d_u.d_child.next, struct dentry,
+ d_u.d_child);
+ goto up;
+ }
+
+ if (!__debugfs_remove(child, parent))
+ simple_release_fs(&debugfs_mount, &debugfs_mount_count);
mutex_unlock(&parent->d_inode->i_mutex);
- simple_release_fs(&debugfs_mount, &debugfs_mount_count);
}
EXPORT_SYMBOL_GPL(debugfs_remove_recursive);
set_dumpable(current->mm, suid_dumpable);
}
- /*
- * Flush performance counters when crossing a
- * security domain:
- */
- if (!get_dumpable(current->mm))
- perf_event_exit_task(current);
-
/* An exec changes our domain. We are no longer part of the thread
group */
commit_creds(bprm->cred);
bprm->cred = NULL;
+
+ /*
+ * Disable monitoring for regular users
+ * when executing setuid binaries. Must
+ * wait until new credentials are committed
+ * by commit_creds() above
+ */
+ if (get_dumpable(current->mm) != SUID_DUMP_USER)
+ perf_event_exit_task(current);
/*
* cred_guard_mutex must be held at least to this point to prevent
* ptrace_attach() from altering our determination of the task's
struct bio_vec *bv;
unsigned i;
- __bio_for_each_segment(bv, bio, i, 0) {
+ bio_for_each_segment_all(bv, bio, i) {
unsigned this_count = bv->bv_len;
if (likely(PAGE_SIZE == this_count))
if (!bio)
continue;
- __bio_for_each_segment(bv, bio, i, 0) {
+ bio_for_each_segment_all(bv, bio, i) {
struct page *page = bv->bv_page;
SetPageUptodate(page);
if (!ext3_check_dir_entry("htree_dirblock_to_tree", dir, de, bh,
(block<<EXT3_BLOCK_SIZE_BITS(dir->i_sb))
+((char *)de - bh->b_data))) {
- /* On error, skip the f_pos to the next block. */
- dir_file->f_pos = (dir_file->f_pos |
- (dir->i_sb->s_blocksize - 1)) + 1;
- brelse (bh);
- return count;
+ /* silently ignore the rest of the block */
+ break;
}
ext3fs_dirhash(de->name, de->name_len, hinfo);
if ((hinfo->hash < start_hash) ||
if (ext4_handle_valid(handle)) {
err = jbd2_journal_dirty_metadata(handle, bh);
- if (err) {
- /* Errors can only happen if there is a bug */
- handle->h_err = err;
- __ext4_journal_stop(where, line, handle);
+ /* Errors can only happen if there is a bug */
+ if (WARN_ON_ONCE(err)) {
+ ext4_journal_abort_handle(where, line, __func__, bh,
+ handle, err);
}
} else {
if (inode)
error = ext4_get_inode_loc(inode, &iloc);
if (error)
return error;
- physical = iloc.bh->b_blocknr << blockbits;
+ physical = (__u64)iloc.bh->b_blocknr << blockbits;
offset = EXT4_GOOD_OLD_INODE_SIZE +
EXT4_I(inode)->i_extra_isize;
physical += offset;
flags |= FIEMAP_EXTENT_DATA_INLINE;
brelse(iloc.bh);
} else { /* external block */
- physical = EXT4_I(inode)->i_file_acl << blockbits;
+ physical = (__u64)EXT4_I(inode)->i_file_acl << blockbits;
length = inode->i_sb->s_blocksize;
}
struct kstat *stat)
{
struct inode *inode;
- unsigned long delalloc_blocks;
+ unsigned long long delalloc_blocks;
inode = dentry->d_inode;
generic_fillattr(inode, stat);
*/
delalloc_blocks = EXT4_I(inode)->i_reserved_data_blocks;
- stat->blocks += (delalloc_blocks << inode->i_sb->s_blocksize_bits)>>9;
+ stat->blocks += delalloc_blocks << (inode->i_sb->s_blocksize_bits-9);
return 0;
}
group = ac->ac_g_ex.fe_group;
for (i = 0; i < ngroups; group++, i++) {
- if (group == ngroups)
+ /*
+ * Artificially restricted ngroups for non-extent
+ * files makes group > ngroups possible on first loop.
+ */
+ if (group >= ngroups)
group = 0;
/* This now checks without needing the buddy page */
* blocks being freed are metadata. these blocks shouldn't
* be used until this transaction is committed
*/
+ retry:
new_entry = kmem_cache_alloc(ext4_free_ext_cachep, GFP_NOFS);
if (!new_entry) {
- ext4_mb_unload_buddy(&e4b);
- err = -ENOMEM;
- goto error_return;
+ /*
+ * We use a retry loop because
+ * ext4_free_blocks() is not allowed to fail.
+ */
+ cond_resched();
+ congestion_wait(BLK_RW_ASYNC, HZ/50);
+ goto retry;
}
new_entry->start_cluster = bit;
new_entry->group = block_group;
if (ext4_check_dir_entry(dir, NULL, de, bh,
(block<<EXT4_BLOCK_SIZE_BITS(dir->i_sb))
+ ((char *)de - bh->b_data))) {
- /* On error, skip the f_pos to the next block. */
- dir_file->f_pos = (dir_file->f_pos |
- (dir->i_sb->s_blocksize - 1)) + 1;
- brelse(bh);
- return count;
+ /* silently ignore the rest of the block */
+ break;
}
ext4fs_dirhash(de->name, de->name_len, hinfo);
if ((hinfo->hash < start_hash) ||
int err = 0;
/* ext4_handle_valid() assumes a valid handle_t pointer */
- if (handle && !ext4_handle_valid(handle))
+ if (handle && !ext4_handle_valid(handle) &&
+ !(EXT4_SB(inode->i_sb)->s_mount_state & EXT4_ORPHAN_FS))
return 0;
mutex_lock(&EXT4_SB(inode->i_sb)->s_orphan_lock);
__func__, inode->i_ino, inode->i_size);
jbd_debug(2, "truncating inode %lu to %lld bytes\n",
inode->i_ino, inode->i_size);
+ mutex_lock(&inode->i_mutex);
ext4_truncate(inode);
+ mutex_unlock(&inode->i_mutex);
nr_truncates++;
} else {
ext4_msg(sb, KERN_DEBUG,
}
if (test_opt(sb, DIOREAD_NOLOCK)) {
ext4_msg(sb, KERN_ERR, "can't mount with "
- "both data=journal and delalloc");
+ "both data=journal and dioread_nolock");
goto failed_mount;
}
if (test_opt(sb, DELALLOC))
goto restore_opts;
}
+ if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) {
+ if (test_opt2(sb, EXPLICIT_DELALLOC)) {
+ ext4_msg(sb, KERN_ERR, "can't mount with "
+ "both data=journal and delalloc");
+ err = -EINVAL;
+ goto restore_opts;
+ }
+ if (test_opt(sb, DIOREAD_NOLOCK)) {
+ ext4_msg(sb, KERN_ERR, "can't mount with "
+ "both data=journal and dioread_nolock");
+ err = -EINVAL;
+ goto restore_opts;
+ }
+ }
+
if (sbi->s_mount_flags & EXT4_MF_FS_ABORTED)
ext4_abort(sb, "Abort forced by user");
return 0;
}
+static unsigned long calc_fat_clusters(struct super_block *sb)
+{
+ struct msdos_sb_info *sbi = MSDOS_SB(sb);
+
+ /* Divide first to avoid overflow */
+ if (sbi->fat_bits != 12) {
+ unsigned long ent_per_sec = sb->s_blocksize * 8 / sbi->fat_bits;
+ return ent_per_sec * sbi->fat_length;
+ }
+
+ return sbi->fat_length * sb->s_blocksize * 8 / sbi->fat_bits;
+}
+
/*
* Read the super block of an MS-DOS FS.
*/
sbi->fat_bits = (total_clusters > MAX_FAT12) ? 16 : 12;
/* check that FAT table does not overflow */
- fat_clusters = sbi->fat_length * sb->s_blocksize * 8 / sbi->fat_bits;
+ fat_clusters = calc_fat_clusters(sb);
total_clusters = min(total_clusters, fat_clusters - FAT_START_ENT);
if (total_clusters > MAX_FAT(sb)) {
if (!silent)
return -EIO;
if (reclen > nbytes)
break;
+ if (memchr(dirent->name, '/', dirent->namelen) != NULL)
+ return -EIO;
over = filldir(dstbuf, dirent->name, dirent->namelen,
file->f_pos, dirent->ino, dirent->type);
{
struct inode *inode = entry->d_inode;
struct fuse_conn *fc = get_fuse_conn(inode);
+ struct fuse_inode *fi = get_fuse_inode(inode);
struct fuse_req *req;
struct fuse_setattr_in inarg;
struct fuse_attr_out outarg;
if (IS_ERR(req))
return PTR_ERR(req);
- if (is_truncate)
+ if (is_truncate) {
fuse_set_nowrite(inode);
+ set_bit(FUSE_I_SIZE_UNSTABLE, &fi->state);
+ }
memset(&inarg, 0, sizeof(inarg));
memset(&outarg, 0, sizeof(outarg));
invalidate_inode_pages2(inode->i_mapping);
}
+ clear_bit(FUSE_I_SIZE_UNSTABLE, &fi->state);
return 0;
error:
if (is_truncate)
fuse_release_nowrite(inode);
+ clear_bit(FUSE_I_SIZE_UNSTABLE, &fi->state);
return err;
}
fc->no_setxattr = 1;
err = -EOPNOTSUPP;
}
+ if (!err)
+ fuse_invalidate_attr(inode);
return err;
}
fc->no_removexattr = 1;
err = -EOPNOTSUPP;
}
+ if (!err)
+ fuse_invalidate_attr(inode);
return err;
}
struct fuse_inode *fi = get_fuse_inode(inode);
spin_lock(&fc->lock);
- if (attr_ver == fi->attr_version && size < inode->i_size) {
+ if (attr_ver == fi->attr_version && size < inode->i_size &&
+ !test_bit(FUSE_I_SIZE_UNSTABLE, &fi->state)) {
fi->attr_version = ++fc->attr_version;
i_size_write(inode, size);
}
{
struct inode *inode = mapping->host;
struct fuse_conn *fc = get_fuse_conn(inode);
+ struct fuse_inode *fi = get_fuse_inode(inode);
int err = 0;
ssize_t res = 0;
if (is_bad_inode(inode))
return -EIO;
+ if (inode->i_size < pos + iov_iter_count(ii))
+ set_bit(FUSE_I_SIZE_UNSTABLE, &fi->state);
+
do {
struct fuse_req *req;
ssize_t count;
if (res > 0)
fuse_write_update_size(inode, pos);
+ clear_bit(FUSE_I_SIZE_UNSTABLE, &fi->state);
fuse_invalidate_attr(inode);
return res > 0 ? res : err;
inc_bdi_stat(mapping->backing_dev_info, BDI_WRITEBACK);
inc_zone_page_state(tmp_page, NR_WRITEBACK_TEMP);
- end_page_writeback(page);
spin_lock(&fc->lock);
list_add(&req->writepages_entry, &fi->writepages);
fuse_flush_writepages(inode);
spin_unlock(&fc->lock);
+ end_page_writeback(page);
+
return 0;
err_free:
/** List of writepage requestst (pending or sent) */
struct list_head writepages;
+
+ /** Miscellaneous bits describing inode state */
+ unsigned long state;
+};
+
+/** FUSE inode state bits */
+enum {
+ /** An operation changing file size is in progress */
+ FUSE_I_SIZE_UNSTABLE,
};
struct fuse_conn;
fi->attr_version = 0;
fi->writectr = 0;
fi->orig_ino = 0;
+ fi->state = 0;
INIT_LIST_HEAD(&fi->write_files);
INIT_LIST_HEAD(&fi->queued_writes);
INIT_LIST_HEAD(&fi->writepages);
loff_t oldsize;
spin_lock(&fc->lock);
- if (attr_version != 0 && fi->attr_version > attr_version) {
+ if ((attr_version != 0 && fi->attr_version > attr_version) ||
+ test_bit(FUSE_I_SIZE_UNSTABLE, &fi->state)) {
spin_unlock(&fc->lock);
return;
}
struct quad_buffer_head *qbh, char *id)
{
secno sec;
- if (hpfs_sb(s)->sb_chk) if (bmp_block * 16384 > hpfs_sb(s)->sb_fs_size) {
+ unsigned n_bands = (hpfs_sb(s)->sb_fs_size + 0x3fff) >> 14;
+ if (hpfs_sb(s)->sb_chk) if (bmp_block >= n_bands) {
hpfs_error(s, "hpfs_map_bitmap called with bad parameter: %08x at %s", bmp_block, id);
return NULL;
}
sbi->sb_cp_table = NULL;
sbi->sb_c_bitmap = -1;
sbi->sb_max_fwd_alloc = 0xffffff;
-
+
+ if (sbi->sb_fs_size >= 0x80000000) {
+ hpfs_error(s, "invalid size in superblock: %08x",
+ (unsigned)sbi->sb_fs_size);
+ goto bail4;
+ }
+
/* Load bitmap directory */
if (!(sbi->sb_bmp_dir = hpfs_load_bitmap_directory(s, le32_to_cpu(superblock->bitmaps))))
goto bail4;
static int isofs_remount(struct super_block *sb, int *flags, char *data)
{
- /* we probably want a lot more here */
- *flags |= MS_RDONLY;
+ if (!(*flags & MS_RDONLY))
+ return -EROFS;
return 0;
}
*/
s->s_maxbytes = 0x80000000000LL;
- /*
- * The CDROM is read-only, has no nodes (devices) on it, and since
- * all of the files appear to be owned by root, we really do not want
- * to allow suid. (suid or devices will not show up unless we have
- * Rock Ridge extensions)
- */
-
- s->s_flags |= MS_RDONLY /* | MS_NODEV | MS_NOSUID */;
-
/* Set this for reference. Its not currently used except on write
which we don't have .. */
static struct dentry *isofs_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data)
{
+ /* We don't support read-write mounts */
+ if (!(flags & MS_RDONLY))
+ return ERR_PTR(-EACCES);
return mount_bdev(fs_type, flags, dev_name, data, isofs_fill_super);
}
&transaction->t_outstanding_credits);
if (atomic_dec_and_test(&transaction->t_updates))
wake_up(&journal->j_wait_updates);
+ tid = transaction->t_tid;
spin_unlock(&transaction->t_handle_lock);
jbd_debug(2, "restarting handle %p\n", handle);
- tid = transaction->t_tid;
need_to_start = !tid_geq(journal->j_commit_request, tid);
read_unlock(&journal->j_state_lock);
if (need_to_start)
{
int wait = wbc->sync_mode == WB_SYNC_ALL;
- if (test_cflag(COMMIT_Nolink, inode))
+ if (inode->i_nlink == 0)
return 0;
/*
* If COMMIT_DIRTY is not set, the inode isn't really dirty.
dir_index = (u32) filp->f_pos;
+ /*
+ * NFSv4 reserves cookies 1 and 2 for . and .. so the value
+ * we return to the vfs is one greater than the one we use
+ * internally.
+ */
+ if (dir_index)
+ dir_index--;
+
if (dir_index > 1) {
struct dir_table_slot dirtab_slot;
if (p->header.flag & BT_INTERNAL) {
jfs_err("jfs_readdir: bad index table");
DT_PUTPAGE(mp);
- filp->f_pos = -1;
+ filp->f_pos = DIREND;
return 0;
}
} else {
/*
* self "."
*/
- filp->f_pos = 0;
+ filp->f_pos = 1;
if (filldir(dirent, ".", 1, 0, ip->i_ino,
DT_DIR))
return 0;
/*
* parent ".."
*/
- filp->f_pos = 1;
+ filp->f_pos = 2;
if (filldir(dirent, "..", 2, 1, PARENT(ip), DT_DIR))
return 0;
/*
* Legacy filesystem - OS/2 & Linux JFS < 0.3.6
*
- * pn = index = 0: First entry "."
- * pn = 0; index = 1: Second entry ".."
+ * pn = 0; index = 1: First entry "."
+ * pn = 0; index = 2: Second entry ".."
* pn > 0: Real entries, pn=1 -> leftmost page
* pn = index = -1: No more entries
*/
dtpos = filp->f_pos;
- if (dtpos == 0) {
+ if (dtpos < 2) {
/* build "." entry */
+ filp->f_pos = 1;
if (filldir(dirent, ".", 1, filp->f_pos, ip->i_ino,
DT_DIR))
return 0;
- dtoffset->index = 1;
+ dtoffset->index = 2;
filp->f_pos = dtpos;
}
if (dtoffset->pn == 0) {
- if (dtoffset->index == 1) {
+ if (dtoffset->index == 2) {
/* build ".." entry */
if (filldir(dirent, "..", 2, filp->f_pos,
}
jfs_dirent->position = unique_pos++;
}
+ /*
+ * We add 1 to the index because we may
+ * use a value of 2 internally, and NFSv4
+ * doesn't like that.
+ */
+ jfs_dirent->position++;
} else {
jfs_dirent->position = dtpos;
len = min(d_namleft, DTLHDRDATALEN_LEGACY);
*/
void jfs_syncpt(struct jfs_log *log, int hard_sync)
{ LOG_LOCK(log);
- lmLogSync(log, hard_sync);
+ if (!test_bit(log_QUIESCE, &log->flag))
+ lmLogSync(log, hard_sync);
LOG_UNLOCK(log);
}
unsigned long timeout = MAX_SCHEDULE_TIMEOUT;
struct nlm_block *block;
+ spin_lock(&nlm_blocked_lock);
while (!list_empty(&nlm_blocked) && !kthread_should_stop()) {
block = list_entry(nlm_blocked.next, struct nlm_block, b_list);
timeout = block->b_when - jiffies;
break;
}
+ spin_unlock(&nlm_blocked_lock);
dprintk("nlmsvc_retry_blocked(%p, when=%ld)\n",
block, block->b_when);
retry_deferred_block(block);
} else
nlmsvc_grant_blocked(block);
+ spin_lock(&nlm_blocked_lock);
}
+ spin_unlock(&nlm_blocked_lock);
return timeout;
}
DPRINTK("ncp_rmdir: removing %s/%s\n",
dentry->d_parent->d_name.name, dentry->d_name.name);
- /*
- * fail with EBUSY if there are still references to this
- * directory.
- */
- dentry_unhash(dentry);
- error = -EBUSY;
- if (!d_unhashed(dentry))
- goto out;
-
len = sizeof(__name);
error = ncp_io2vol(server, __name, &len, dentry->d_name.name,
dentry->d_name.len, !ncp_preserve_case(dir));
args->csa_nrclists = ntohl(*p++);
args->csa_rclists = NULL;
if (args->csa_nrclists) {
- args->csa_rclists = kmalloc(args->csa_nrclists *
- sizeof(*args->csa_rclists),
- GFP_KERNEL);
+ args->csa_rclists = kmalloc_array(args->csa_nrclists,
+ sizeof(*args->csa_rclists),
+ GFP_KERNEL);
if (unlikely(args->csa_rclists == NULL))
goto out;
do_open_fhandle(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open *open)
{
__be32 status;
+ int accmode = 0;
/* Only reclaims from previously confirmed clients are valid */
if ((status = nfs4_check_open_reclaim(&open->op_clientid)))
open->op_truncate = (open->op_iattr.ia_valid & ATTR_SIZE) &&
(open->op_iattr.ia_size == 0);
+ /*
+ * In the delegation case, the client is telling us about an
+ * open that it *already* performed locally, some time ago. We
+ * should let it succeed now if possible.
+ *
+ * In the case of a CLAIM_FH open, on the other hand, the client
+ * may be counting on us to enforce permissions (the Linux 4.1
+ * client uses this for normal opens, for example).
+ */
+ if (open->op_claim_type == NFS4_OPEN_CLAIM_DELEG_CUR_FH)
+ accmode = NFSD_MAY_OWNER_OVERRIDE;
- status = do_open_permission(rqstp, current_fh, open,
- NFSD_MAY_OWNER_OVERRIDE);
+ status = do_open_permission(rqstp, current_fh, open, accmode);
return status;
}
*/
memcpy(p, argp->p, avail);
/* step to next page */
- argp->p = page_address(argp->pagelist[0]);
argp->pagelist++;
+ argp->p = page_address(argp->pagelist[0]);
if (argp->pagelen < PAGE_SIZE) {
argp->end = argp->p + (argp->pagelen>>2);
argp->pagelen = 0;
}
*filp = dentry_open(dget(dentry), mntget(fhp->fh_export->ex_path.mnt),
flags, current_cred());
- if (IS_ERR(*filp))
+ if (IS_ERR(*filp)) {
host_err = PTR_ERR(*filp);
- else
+ *filp = NULL;
+ } else
host_err = ima_file_check(*filp, access);
out_nfserr:
err = nfserrno(host_err);
static int nilfs_set_page_dirty(struct page *page)
{
- int ret = __set_page_dirty_buffers(page);
+ int ret = __set_page_dirty_nobuffers(page);
- if (ret) {
+ if (page_has_buffers(page)) {
struct inode *inode = page->mapping->host;
- unsigned nr_dirty = 1 << (PAGE_SHIFT - inode->i_blkbits);
+ unsigned nr_dirty = 0;
+ struct buffer_head *bh, *head;
- nilfs_set_file_dirty(inode, nr_dirty);
+ /*
+ * This page is locked by callers, and no other thread
+ * concurrently marks its buffers dirty since they are
+ * only dirtied through routines in fs/buffer.c in
+ * which call sites of mark_buffer_dirty are protected
+ * by page lock.
+ */
+ bh = head = page_buffers(page);
+ do {
+ /* Do not mark hole blocks dirty */
+ if (buffer_dirty(bh) || !buffer_mapped(bh))
+ continue;
+
+ set_buffer_dirty(bh);
+ nr_dirty++;
+ } while (bh = bh->b_this_page, bh != head);
+
+ if (nr_dirty)
+ nilfs_set_file_dirty(inode, nr_dirty);
}
return ret;
}
clear_buffer_nilfs_volatile(bh);
clear_buffer_nilfs_checked(bh);
clear_buffer_nilfs_redirected(bh);
+ clear_buffer_async_write(bh);
clear_buffer_dirty(bh);
if (nilfs_page_buffers_clean(page))
__nilfs_clear_page_dirty(page);
bh = head = page_buffers(page);
do {
lock_buffer(bh);
+ clear_buffer_async_write(bh);
clear_buffer_dirty(bh);
clear_buffer_nilfs_volatile(bh);
clear_buffer_nilfs_checked(bh);
if (err == -EOPNOTSUPP) {
set_bit(BIO_EOPNOTSUPP, &bio->bi_flags);
- bio_put(bio);
- /* to be detected by submit_seg_bio() */
+ /* to be detected by nilfs_segbuf_submit_bio() */
}
if (!uptodate)
bio->bi_private = segbuf;
bio_get(bio);
submit_bio(mode, bio);
+ segbuf->sb_nbio++;
if (bio_flagged(bio, BIO_EOPNOTSUPP)) {
bio_put(bio);
err = -EOPNOTSUPP;
goto failed;
}
- segbuf->sb_nbio++;
bio_put(bio);
wi->bio = NULL;
bh = head = page_buffers(page);
do {
- if (!buffer_dirty(bh))
+ if (!buffer_dirty(bh) || buffer_async_write(bh))
continue;
get_bh(bh);
list_add_tail(&bh->b_assoc_buffers, listp);
for (i = 0; i < pagevec_count(&pvec); i++) {
bh = head = page_buffers(pvec.pages[i]);
do {
- if (buffer_dirty(bh)) {
+ if (buffer_dirty(bh) &&
+ !buffer_async_write(bh)) {
get_bh(bh);
list_add_tail(&bh->b_assoc_buffers,
listp);
list_for_each_entry(bh, &segbuf->sb_segsum_buffers,
b_assoc_buffers) {
+ set_buffer_async_write(bh);
if (bh->b_page != bd_page) {
if (bd_page) {
lock_page(bd_page);
list_for_each_entry(bh, &segbuf->sb_payload_buffers,
b_assoc_buffers) {
+ set_buffer_async_write(bh);
if (bh == segbuf->sb_super_root) {
if (bh->b_page != bd_page) {
lock_page(bd_page);
list_for_each_entry(segbuf, logs, sb_list) {
list_for_each_entry(bh, &segbuf->sb_segsum_buffers,
b_assoc_buffers) {
+ clear_buffer_async_write(bh);
if (bh->b_page != bd_page) {
if (bd_page)
end_page_writeback(bd_page);
list_for_each_entry(bh, &segbuf->sb_payload_buffers,
b_assoc_buffers) {
+ clear_buffer_async_write(bh);
if (bh == segbuf->sb_super_root) {
if (bh->b_page != bd_page) {
end_page_writeback(bd_page);
b_assoc_buffers) {
set_buffer_uptodate(bh);
clear_buffer_dirty(bh);
+ clear_buffer_async_write(bh);
if (bh->b_page != bd_page) {
if (bd_page)
end_page_writeback(bd_page);
b_assoc_buffers) {
set_buffer_uptodate(bh);
clear_buffer_dirty(bh);
+ clear_buffer_async_write(bh);
clear_buffer_delay(bh);
clear_buffer_nilfs_volatile(bh);
clear_buffer_nilfs_redirected(bh);
old->tgid == new->tgid) {
switch (old->data_type) {
case (FSNOTIFY_EVENT_PATH):
+#ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
+ /* dont merge two permission events */
+ if ((old->mask & FAN_ALL_PERM_EVENTS) &&
+ (new->mask & FAN_ALL_PERM_EVENTS))
+ return false;
+#endif
if ((old->path.mnt == new->path.mnt) &&
(old->path.dentry == new->path.dentry))
return true;
metadata->event_len = FAN_EVENT_METADATA_LEN;
metadata->metadata_len = FAN_EVENT_METADATA_LEN;
metadata->vers = FANOTIFY_METADATA_VERSION;
+ metadata->reserved = 0;
metadata->mask = event->mask & FAN_ALL_OUTGOING_EVENTS;
metadata->pid = pid_vnr(event->tgid);
if (unlikely(event->mask & FAN_Q_OVERFLOW))
cpos = map_start >> osb->s_clustersize_bits;
mapping_end = ocfs2_clusters_for_bytes(inode->i_sb,
map_start + map_len);
- mapping_end -= cpos;
is_last = 0;
while (cpos < mapping_end && !is_last) {
u32 fe_flags;
&hole_size, &rec, &is_last);
if (ret) {
mlog_errno(ret);
- goto out;
+ goto out_unlock;
}
if (rec.e_blkno == 0ULL) {
}
new_oi = OCFS2_I(args->new_inode);
+ /*
+ * Adjust extent record count to reserve space for extended attribute.
+ * Inline data count had been adjusted in ocfs2_duplicate_inline_data().
+ */
+ if (!(new_oi->ip_dyn_features & OCFS2_INLINE_DATA_FL) &&
+ !(ocfs2_inode_is_fast_symlink(args->new_inode))) {
+ struct ocfs2_extent_list *el = &new_di->id2.i_list;
+ le16_add_cpu(&el->l_count, -(inline_size /
+ sizeof(struct ocfs2_extent_rec)));
+ }
spin_lock(&new_oi->ip_lock);
new_oi->ip_dyn_features |= OCFS2_HAS_XATTR_FL | OCFS2_INLINE_XATTR_FL;
new_di->i_dyn_features = cpu_to_le16(new_oi->ip_dyn_features);
};
struct pagemapread {
- int pos, len;
+ int pos, len; /* units: PM_ENTRY_BYTES, not bytes */
u64 *buffer;
};
if (!count)
goto out_task;
- pm.len = PM_ENTRY_BYTES * (PAGEMAP_WALK_SIZE >> PAGE_SHIFT);
- pm.buffer = kmalloc(pm.len, GFP_TEMPORARY);
+ pm.len = (PAGEMAP_WALK_SIZE >> PAGE_SHIFT);
+ pm.buffer = kmalloc(pm.len * PM_ENTRY_BYTES, GFP_TEMPORARY);
ret = -ENOMEM;
if (!pm.buffer)
goto out_task;
static int ubifs_readdir(struct file *file, void *dirent, filldir_t filldir)
{
int err, over = 0;
+ loff_t pos = file->f_pos;
struct qstr nm;
union ubifs_key key;
struct ubifs_dent_node *dent;
struct inode *dir = file->f_path.dentry->d_inode;
struct ubifs_info *c = dir->i_sb->s_fs_info;
- dbg_gen("dir ino %lu, f_pos %#llx", dir->i_ino, file->f_pos);
+ dbg_gen("dir ino %lu, f_pos %#llx", dir->i_ino, pos);
- if (file->f_pos > UBIFS_S_KEY_HASH_MASK || file->f_pos == 2)
+ if (pos > UBIFS_S_KEY_HASH_MASK || pos == 2)
/*
* The directory was seek'ed to a senseless position or there
* are no more entries.
*/
return 0;
+ if (file->f_version == 0) {
+ /*
+ * The file was seek'ed, which means that @file->private_data
+ * is now invalid. This may also be just the first
+ * 'ubifs_readdir()' invocation, in which case
+ * @file->private_data is NULL, and the below code is
+ * basically a no-op.
+ */
+ kfree(file->private_data);
+ file->private_data = NULL;
+ }
+
+ /*
+ * 'generic_file_llseek()' unconditionally sets @file->f_version to
+ * zero, and we use this for detecting whether the file was seek'ed.
+ */
+ file->f_version = 1;
+
/* File positions 0 and 1 correspond to "." and ".." */
- if (file->f_pos == 0) {
+ if (pos == 0) {
ubifs_assert(!file->private_data);
over = filldir(dirent, ".", 1, 0, dir->i_ino, DT_DIR);
if (over)
return 0;
- file->f_pos = 1;
+ file->f_pos = pos = 1;
}
- if (file->f_pos == 1) {
+ if (pos == 1) {
ubifs_assert(!file->private_data);
over = filldir(dirent, "..", 2, 1,
parent_ino(file->f_path.dentry), DT_DIR);
goto out;
}
- file->f_pos = key_hash_flash(c, &dent->key);
+ file->f_pos = pos = key_hash_flash(c, &dent->key);
file->private_data = dent;
}
if (!dent) {
/*
* The directory was seek'ed to and is now readdir'ed.
- * Find the entry corresponding to @file->f_pos or the
- * closest one.
+ * Find the entry corresponding to @pos or the closest one.
*/
- dent_key_init_hash(c, &key, dir->i_ino, file->f_pos);
+ dent_key_init_hash(c, &key, dir->i_ino, pos);
nm.name = NULL;
dent = ubifs_tnc_next_ent(c, &key, &nm);
if (IS_ERR(dent)) {
err = PTR_ERR(dent);
goto out;
}
- file->f_pos = key_hash_flash(c, &dent->key);
+ file->f_pos = pos = key_hash_flash(c, &dent->key);
file->private_data = dent;
}
ubifs_inode(dir)->creat_sqnum);
nm.len = le16_to_cpu(dent->nlen);
- over = filldir(dirent, dent->name, nm.len, file->f_pos,
+ over = filldir(dirent, dent->name, nm.len, pos,
le64_to_cpu(dent->inum),
vfs_dent_type(dent->type));
if (over)
}
kfree(file->private_data);
- file->f_pos = key_hash_flash(c, &dent->key);
+ file->f_pos = pos = key_hash_flash(c, &dent->key);
file->private_data = dent;
cond_resched();
+
+ if (file->f_version == 0)
+ /*
+ * The file was seek'ed meanwhile, lets return and start
+ * reading direntries from the new position on the next
+ * invocation.
+ */
+ return 0;
}
out:
kfree(file->private_data);
file->private_data = NULL;
+ /* 2 is a special value indicating that there are no more direntries */
file->f_pos = 2;
return 0;
}
-/* If a directory is seeked, we have to free saved readdir() state */
static loff_t ubifs_dir_llseek(struct file *file, loff_t offset, int origin)
{
- kfree(file->private_data);
- file->private_data = NULL;
return generic_file_llseek(file, offset, origin);
}
return 0;
}
+static void
+xfs_setattr_mode(
+ struct xfs_trans *tp,
+ struct xfs_inode *ip,
+ struct iattr *iattr)
+{
+ struct inode *inode = VFS_I(ip);
+ umode_t mode = iattr->ia_mode;
+
+ ASSERT(tp);
+ ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
+
+ if (!in_group_p(inode->i_gid) && !capable(CAP_FSETID))
+ mode &= ~S_ISGID;
+
+ ip->i_d.di_mode &= S_IFMT;
+ ip->i_d.di_mode |= mode & ~S_IFMT;
+
+ inode->i_mode &= S_IFMT;
+ inode->i_mode |= mode & ~S_IFMT;
+}
+
int
xfs_setattr_nonsize(
struct xfs_inode *ip,
/*
* Change file access modes.
*/
- if (mask & ATTR_MODE) {
- umode_t mode = iattr->ia_mode;
-
- if (!in_group_p(inode->i_gid) && !capable(CAP_FSETID))
- mode &= ~S_ISGID;
-
- ip->i_d.di_mode &= S_IFMT;
- ip->i_d.di_mode |= mode & ~S_IFMT;
-
- inode->i_mode &= S_IFMT;
- inode->i_mode |= mode & ~S_IFMT;
- }
+ if (mask & ATTR_MODE)
+ xfs_setattr_mode(tp, ip, iattr);
/*
* Change file access or modified times.
return XFS_ERROR(error);
ASSERT(S_ISREG(ip->i_d.di_mode));
- ASSERT((mask & (ATTR_MODE|ATTR_UID|ATTR_GID|ATTR_ATIME|ATTR_ATIME_SET|
- ATTR_MTIME_SET|ATTR_KILL_SUID|ATTR_KILL_SGID|
- ATTR_KILL_PRIV|ATTR_TIMES_SET)) == 0);
+ ASSERT((mask & (ATTR_UID|ATTR_GID|ATTR_ATIME|ATTR_ATIME_SET|
+ ATTR_MTIME_SET|ATTR_KILL_PRIV|ATTR_TIMES_SET)) == 0);
lock_flags = XFS_ILOCK_EXCL;
if (!(flags & XFS_ATTR_NOLOCK))
xfs_iflags_set(ip, XFS_ITRUNCATED);
}
+ /*
+ * Change file access modes.
+ */
+ if (mask & ATTR_MODE)
+ xfs_setattr_mode(tp, ip, iattr);
+
if (mask & ATTR_CTIME) {
inode->i_ctime = iattr->ia_ctime;
ip->i_d.di_ctime.t_sec = iattr->ia_ctime.tv_sec;
#define bio_io_error(bio) bio_endio((bio), -EIO)
/*
- * drivers should not use the __ version unless they _really_ want to
- * run through the entire bio and not just pending pieces
+ * drivers should not use the __ version unless they _really_ know what
+ * they're doing
*/
#define __bio_for_each_segment(bvl, bio, i, start_idx) \
for (bvl = bio_iovec_idx((bio), (start_idx)), i = (start_idx); \
i < (bio)->bi_vcnt; \
bvl++, i++)
+/*
+ * drivers should _never_ use the all version - the bio may have been split
+ * before it got to the driver and the driver won't own all of it
+ */
+#define bio_for_each_segment_all(bvl, bio, i) \
+ for (i = 0; \
+ bvl = bio_iovec_idx((bio), (i)), i < (bio)->bi_vcnt; \
+ i++)
+
#define bio_for_each_segment(bvl, bio, i) \
- __bio_for_each_segment(bvl, bio, i, (bio)->bi_idx)
+ for (i = (bio)->bi_idx; \
+ bvl = bio_iovec_idx((bio), (i)), i < (bio)->bi_vcnt; \
+ i++)
/*
* get a reference to a bio, so it won't disappear. the intended use is
return cgrp->subsys[subsys_id];
}
-/*
- * function to get the cgroup_subsys_state which allows for extra
- * rcu_dereference_check() conditions, such as locks used during the
- * cgroup_subsys::attach() methods.
+/**
+ * task_css_set_check - obtain a task's css_set with extra access conditions
+ * @task: the task to obtain css_set for
+ * @__c: extra condition expression to be passed to rcu_dereference_check()
+ *
+ * A task's css_set is RCU protected, initialized and exited while holding
+ * task_lock(), and can only be modified while holding both cgroup_mutex
+ * and task_lock() while the task is alive. This macro verifies that the
+ * caller is inside proper critical section and returns @task's css_set.
+ *
+ * The caller can also specify additional allowed conditions via @__c, such
+ * as locks used during the cgroup_subsys::attach() methods.
+ */
+#define task_css_set_check(task, __c) \
+ rcu_dereference_check((task)->cgroups, \
+ lockdep_is_held(&(task)->alloc_lock) || \
+ cgroup_lock_is_held() || (__c))
+
+/**
+ * task_subsys_state_check - obtain css for (task, subsys) w/ extra access conds
+ * @task: the target task
+ * @subsys_id: the target subsystem ID
+ * @__c: extra condition expression to be passed to rcu_dereference_check()
+ *
+ * Return the cgroup_subsys_state for the (@task, @subsys_id) pair. The
+ * synchronization rules are the same as task_css_set_check().
*/
#define task_subsys_state_check(task, subsys_id, __c) \
- rcu_dereference_check(task->cgroups->subsys[subsys_id], \
- lockdep_is_held(&task->alloc_lock) || \
- cgroup_lock_is_held() || (__c))
+ task_css_set_check((task), (__c))->subsys[(subsys_id)]
+
+/**
+ * task_css_set - obtain a task's css_set
+ * @task: the task to obtain css_set for
+ *
+ * See task_css_set_check().
+ */
+static inline struct css_set *task_css_set(struct task_struct *task)
+{
+ return task_css_set_check(task, false);
+}
+/**
+ * task_subsys_state - obtain css for (task, subsys)
+ * @task: the target task
+ * @subsys_id: the target subsystem ID
+ *
+ * See task_subsys_state_check().
+ */
static inline struct cgroup_subsys_state *
task_subsys_state(struct task_struct *task, int subsys_id)
{
extern void get_online_cpus(void);
extern void put_online_cpus(void);
+extern void cpu_hotplug_disable(void);
+extern void cpu_hotplug_enable(void);
#define hotcpu_notifier(fn, pri) cpu_notifier(fn, pri)
#define register_hotcpu_notifier(nb) register_cpu_notifier(nb)
#define unregister_hotcpu_notifier(nb) unregister_cpu_notifier(nb)
#define get_online_cpus() do { } while (0)
#define put_online_cpus() do { } while (0)
+#define cpu_hotplug_disable() do { } while (0)
+#define cpu_hotplug_enable() do { } while (0)
#define hotcpu_notifier(fn, pri) do { (void)(fn); } while (0)
/* These aren't inline functions due to a GCC bug. */
#define register_hotcpu_notifier(nb) ({ (void)(nb); 0; })
unsigned long count,
u64 *max_size,
int *reset_type);
+typedef efi_status_t efi_query_variable_store_t(u32 attributes, unsigned long size);
/*
* EFI Configuration Table and GUID definitions
extern void efi_memmap_walk (efi_freemem_callback_t callback, void *arg);
extern void efi_gettimeofday (struct timespec *ts);
extern void efi_enter_virtual_mode (void); /* switch EFI to virtual mode, if possible */
+#ifdef CONFIG_X86
+extern efi_status_t efi_query_variable_store(u32 attributes, unsigned long size);
+#else
+static inline efi_status_t efi_query_variable_store(u32 attributes, unsigned long size)
+{
+ return EFI_SUCCESS;
+}
+#endif
extern u64 efi_get_iobase (void);
extern u32 efi_mem_type (unsigned long phys_addr);
extern u64 efi_mem_attributes (unsigned long phys_addr);
efi_get_variable_t *get_variable;
efi_get_next_variable_t *get_next_variable;
efi_set_variable_t *set_variable;
- efi_query_variable_info_t *query_variable_info;
+ efi_query_variable_store_t *query_variable_store;
};
struct efivars {
/* trace_seq for __print_flags() and __print_symbolic() etc. */
struct trace_seq tmp_seq;
+ cpumask_var_t started;
+
/* The below is zeroed out in pipe_read */
struct trace_seq seq;
struct trace_entry *ent;
loff_t pos;
long idx;
- cpumask_var_t started;
+ /* All new field here will be zeroed out in pipe_read */
};
struct hid_device *device; /* associated device */
};
+#define HID_MAX_IDS 256
+
struct hid_report_enum {
unsigned numbered;
struct list_head report_list;
- struct hid_report *report_id_hash[256];
+ struct hid_report *report_id_hash[HID_MAX_IDS];
};
#define HID_REPORT_TYPES 3
struct hid_device *hid_allocate_device(void);
struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id);
int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size);
+struct hid_report *hid_validate_values(struct hid_device *hid,
+ unsigned int type, unsigned int id,
+ unsigned int field_index,
+ unsigned int report_counts);
int hid_check_keys_pressed(struct hid_device *hid);
int hid_connect(struct hid_device *hid, unsigned int connect_mask);
void hid_disconnect(struct hid_device *hid);
return hstates[index].order + PAGE_SHIFT;
}
+pgoff_t __basepage_index(struct page *page);
+
+/* Return page->index in PAGE_SIZE units */
+static inline pgoff_t basepage_index(struct page *page)
+{
+ if (!PageCompound(page))
+ return page->index;
+
+ return __basepage_index(page);
+}
+
#else
struct hstate {};
#define alloc_huge_page_node(h, nid) NULL
return 1;
}
#define hstate_index_to_shift(index) 0
+
+static inline pgoff_t basepage_index(struct page *page)
+{
+ return page->index;
+}
#endif
#endif /* _LINUX_HUGETLB_H */
#define ICMPV6_NOT_NEIGHBOUR 2
#define ICMPV6_ADDR_UNREACH 3
#define ICMPV6_PORT_UNREACH 4
+#define ICMPV6_POLICY_FAIL 5
+#define ICMPV6_REJECT_ROUTE 6
/*
* Codes for Time Exceeded
*/
/* some useful defines for sb1000.c e cmconfig.c - fv */
-#define SIOCGCMSTATS SIOCDEVPRIVATE+0 /* get cable modem stats */
-#define SIOCGCMFIRMWARE SIOCDEVPRIVATE+1 /* get cm firmware version */
-#define SIOCGCMFREQUENCY SIOCDEVPRIVATE+2 /* get cable modem frequency */
-#define SIOCSCMFREQUENCY SIOCDEVPRIVATE+3 /* set cable modem frequency */
-#define SIOCGCMPIDS SIOCDEVPRIVATE+4 /* get cable modem PIDs */
-#define SIOCSCMPIDS SIOCDEVPRIVATE+5 /* set cable modem PIDs */
+#define SIOCGCMSTATS (SIOCDEVPRIVATE+0) /* get cable modem stats */
+#define SIOCGCMFIRMWARE (SIOCDEVPRIVATE+1) /* get cm firmware version */
+#define SIOCGCMFREQUENCY (SIOCDEVPRIVATE+2) /* get cable modem frequency */
+#define SIOCSCMFREQUENCY (SIOCDEVPRIVATE+3) /* set cable modem frequency */
+#define SIOCGCMPIDS (SIOCDEVPRIVATE+4) /* get cable modem PIDs */
+#define SIOCSCMPIDS (SIOCDEVPRIVATE+5) /* set cable modem PIDs */
#endif
struct pppoe_hdr {
#if defined(__LITTLE_ENDIAN_BITFIELD)
- __u8 ver : 4;
__u8 type : 4;
+ __u8 ver : 4;
#elif defined(__BIG_ENDIAN_BITFIELD)
- __u8 type : 4;
__u8 ver : 4;
+ __u8 type : 4;
#else
#error "Please fix <asm/byteorder.h>"
#endif
#define IP6SKB_XFRM_TRANSFORMED 1
#define IP6SKB_FORWARDED 2
#define IP6SKB_REROUTED 4
+#define IP6SKB_FRAGMENTED 16
};
#define IP6CB(skb) ((struct inet6_skb_parm*)((skb)->cb))
* Flags passed to show_mem() and show_free_areas() to suppress output in
* various contexts.
*/
-#define SHOW_MEM_FILTER_NODES (0x0001u) /* filter disallowed nodes */
+#define SHOW_MEM_FILTER_NODES (0x0001u) /* disallowed nodes */
+#define SHOW_MEM_FILTER_PAGE_COUNT (0x0002u) /* page type count */
extern void show_free_areas(unsigned int flags);
extern bool skip_free_areas_node(unsigned int flags, int nid);
void (*unmap_area) (struct mm_struct *mm, unsigned long addr);
#endif
unsigned long mmap_base; /* base of mmap area */
+ unsigned long mmap_legacy_base; /* base of mmap area in bottom-up allocations */
unsigned long task_size; /* size of task vm space */
unsigned long cached_hole_size; /* if non-zero, the largest hole below free_area_cache */
unsigned long free_area_cache; /* first hole of size cached_hole_size or larger */
u64 bytesize;
pid_t pid; /* pid of nbd-client, if attached */
int xmit_timeout;
+ int disconnect; /* a disconnect has been requested by user */
};
#endif
#define sockfd_put(sock) fput(sock->file)
extern int net_ratelimit(void);
+#define net_ratelimited_function(function, ...) \
+do { \
+ if (net_ratelimit()) \
+ function(__VA_ARGS__); \
+} while (0)
+
+#define net_emerg_ratelimited(fmt, ...) \
+ net_ratelimited_function(pr_emerg, fmt, ##__VA_ARGS__)
+#define net_alert_ratelimited(fmt, ...) \
+ net_ratelimited_function(pr_alert, fmt, ##__VA_ARGS__)
+#define net_crit_ratelimited(fmt, ...) \
+ net_ratelimited_function(pr_crit, fmt, ##__VA_ARGS__)
+#define net_err_ratelimited(fmt, ...) \
+ net_ratelimited_function(pr_err, fmt, ##__VA_ARGS__)
+#define net_notice_ratelimited(fmt, ...) \
+ net_ratelimited_function(pr_notice, fmt, ##__VA_ARGS__)
+#define net_warn_ratelimited(fmt, ...) \
+ net_ratelimited_function(pr_warn, fmt, ##__VA_ARGS__)
+#define net_info_ratelimited(fmt, ...) \
+ net_ratelimited_function(pr_info, fmt, ##__VA_ARGS__)
+#define net_dbg_ratelimited(fmt, ...) \
+ net_ratelimited_function(pr_debug, fmt, ##__VA_ARGS__)
+
#define net_random() random32()
#define net_srandom(seed) srandom32((__force u32)seed)
/* mmap bits */
struct mutex mmap_mutex;
atomic_t mmap_count;
- int mmap_locked;
- struct user_struct *mmap_user;
+
struct ring_buffer *rb;
struct list_head rb_entry;
int exclusive;
struct list_head rotation_list;
int jiffies_interval;
- struct pmu *active_pmu;
+ struct pmu *unique_pmu;
struct perf_cgroup *cgrp;
};
#define list_first_entry_rcu(ptr, type, member) \
list_entry_rcu((ptr)->next, type, member)
+/**
+ * list_first_or_null_rcu - get the first element from a list
+ * @ptr: the list head to take the element from.
+ * @type: the type of the struct this is embedded in.
+ * @member: the name of the list_struct within the struct.
+ *
+ * Note that if the list is empty, it returns NULL.
+ *
+ * This primitive may safely run concurrently with the _rcu list-mutation
+ * primitives such as list_add_rcu() as long as it's guarded by rcu_read_lock().
+ */
+#define list_first_or_null_rcu(ptr, type, member) \
+ ({struct list_head *__ptr = (ptr); \
+ struct list_head *__next = ACCESS_ONCE(__ptr->next); \
+ likely(__ptr != __next) ? \
+ list_entry_rcu(__next, type, member) : NULL; \
+ })
+
/**
* list_for_each_entry_rcu - iterate over rcu list of given type
* @pos: the type * to use as a loop cursor.
* @head: the head for your list.
* @member: the name of the hlist_nulls_node within the struct.
*
+ * The barrier() is needed to make sure compiler doesn't cache first element [1],
+ * as this loop can be restarted [2]
+ * [1] Documentation/atomic_ops.txt around line 114
+ * [2] Documentation/RCU/rculist_nulls.txt around line 146
*/
#define hlist_nulls_for_each_entry_rcu(tpos, pos, head, member) \
- for (pos = rcu_dereference_raw(hlist_nulls_first_rcu(head)); \
+ for (({barrier();}), \
+ pos = rcu_dereference_raw(hlist_nulls_first_rcu(head)); \
(!is_a_nulls(pos)) && \
({ tpos = hlist_nulls_entry(pos, typeof(*tpos), member); 1; }); \
pos = rcu_dereference_raw(hlist_nulls_next_rcu(pos)))
#endif
/**
- * kcalloc - allocate memory for an array. The memory is set to zero.
+ * kmalloc_array - allocate memory for an array.
* @n: number of elements.
* @size: element size.
* @flags: the type of memory to allocate.
* for general use, and so are not documented here. For a full list of
* potential flags, always refer to linux/gfp.h.
*/
-static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
+static inline void *kmalloc_array(size_t n, size_t size, gfp_t flags)
{
if (size != 0 && n > ULONG_MAX / size)
return NULL;
- return __kmalloc(n * size, flags | __GFP_ZERO);
+ return __kmalloc(n * size, flags);
+}
+
+/**
+ * kcalloc - allocate memory for an array. The memory is set to zero.
+ * @n: number of elements.
+ * @size: element size.
+ * @flags: the type of memory to allocate (see kmalloc).
+ */
+static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
+{
+ return kmalloc_array(n, size, flags | __GFP_ZERO);
}
#if !defined(CONFIG_NUMA) && !defined(CONFIG_SLOB)
struct timespec;
+/* The __sys_...msg variants allow MSG_CMSG_COMPAT */
+extern long __sys_recvmsg(int fd, struct msghdr __user *msg, unsigned flags);
+extern long __sys_sendmsg(int fd, struct msghdr __user *msg, unsigned flags);
extern int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
unsigned int flags, struct timespec *timeout);
extern int __sys_sendmmsg(int fd, struct mmsghdr __user *mmsg,
extern void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd,
unsigned long address);
+extern void migration_entry_wait_huge(struct mm_struct *mm, pte_t *pte);
#else
#define make_migration_entry(page, write) swp_entry(0, 0)
static inline void make_migration_entry_read(swp_entry_t *entryp) { }
static inline void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd,
unsigned long address) { }
+static inline void migration_entry_wait_huge(struct mm_struct *mm,
+ pte_t *pte) { }
static inline int is_write_migration_entry(swp_entry_t entry)
{
return 0;
extern void usb_hcd_pci_remove(struct pci_dev *dev);
extern void usb_hcd_pci_shutdown(struct pci_dev *dev);
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_PM
extern const struct dev_pm_ops usb_hcd_pci_pm_ops;
#endif
#endif /* CONFIG_PCI */
bool virtqueue_enable_cb(struct virtqueue *vq);
+unsigned virtqueue_enable_cb_prepare(struct virtqueue *vq);
+
+bool virtqueue_poll(struct virtqueue *vq, unsigned);
+
bool virtqueue_enable_cb_delayed(struct virtqueue *vq);
void *virtqueue_detach_unused_buf(struct virtqueue *vq);
#define VIRTIO_CONSOLE_F_SIZE 0 /* Does host provide console size? */
#define VIRTIO_CONSOLE_F_MULTIPORT 1 /* Does host provide multiple ports? */
-#define VIRTIO_CONSOLE_BAD_ID (~(u32)0)
+#define VIRTIO_CONSOLE_BAD_ID (~(__u32)0)
struct virtio_console_config {
/* colums of the screens */
if (!ret) \
break; \
} \
+ if (!ret && (condition)) \
+ ret = 1; \
finish_wait(&wq, &__wait); \
} while (0)
* wake_up() has to be called after changing any variable that could
* change the result of the wait condition.
*
- * The function returns 0 if the @timeout elapsed, and the remaining
- * jiffies if the condition evaluated to true before the timeout elapsed.
+ * The function returns 0 if the @timeout elapsed, or the remaining
+ * jiffies (at least 1) if the @condition evaluated to %true before
+ * the @timeout elapsed.
*/
#define wait_event_timeout(wq, condition, timeout) \
({ \
ret = -ERESTARTSYS; \
break; \
} \
+ if (!ret && (condition)) \
+ ret = 1; \
finish_wait(&wq, &__wait); \
} while (0)
* wake_up() has to be called after changing any variable that could
* change the result of the wait condition.
*
- * The function returns 0 if the @timeout elapsed, -ERESTARTSYS if it
- * was interrupted by a signal, and the remaining jiffies otherwise
- * if the condition evaluated to true before the timeout elapsed.
+ * Returns:
+ * 0 if the @timeout elapsed, -%ERESTARTSYS if it was interrupted by
+ * a signal, or the remaining jiffies (at least 1) if the @condition
+ * evaluated to %true before the @timeout elapsed.
*/
#define wait_event_interruptible_timeout(wq, condition, timeout) \
({ \
? 0 : __wait_event_interruptible_locked(wq, condition, 1, 1))
+#define __wait_event_interruptible_lock_irq_timeout(wq, condition, \
+ lock, ret) \
+do { \
+ DEFINE_WAIT(__wait); \
+ \
+ for (;;) { \
+ prepare_to_wait(&wq, &__wait, TASK_INTERRUPTIBLE); \
+ if (condition) \
+ break; \
+ if (signal_pending(current)) { \
+ ret = -ERESTARTSYS; \
+ break; \
+ } \
+ spin_unlock_irq(&lock); \
+ ret = schedule_timeout(ret); \
+ spin_lock_irq(&lock); \
+ if (!ret) \
+ break; \
+ } \
+ finish_wait(&wq, &__wait); \
+} while (0)
+
+/**
+ * wait_event_interruptible_lock_irq_timeout - sleep until a condition gets true or a timeout elapses.
+ * The condition is checked under the lock. This is expected
+ * to be called with the lock taken.
+ * @wq: the waitqueue to wait on
+ * @condition: a C expression for the event to wait for
+ * @lock: a locked spinlock_t, which will be released before schedule()
+ * and reacquired afterwards.
+ * @timeout: timeout, in jiffies
+ *
+ * The process is put to sleep (TASK_INTERRUPTIBLE) until the
+ * @condition evaluates to true or signal is received. The @condition is
+ * checked each time the waitqueue @wq is woken up.
+ *
+ * wake_up() has to be called after changing any variable that could
+ * change the result of the wait condition.
+ *
+ * This is supposed to be called while holding the lock. The lock is
+ * dropped before going to sleep and is reacquired afterwards.
+ *
+ * The function returns 0 if the @timeout elapsed, -ERESTARTSYS if it
+ * was interrupted by a signal, and the remaining jiffies otherwise
+ * if the condition evaluated to true before the timeout elapsed.
+ */
+#define wait_event_interruptible_lock_irq_timeout(wq, condition, lock, \
+ timeout) \
+({ \
+ int __ret = timeout; \
+ \
+ if (!(condition)) \
+ __wait_event_interruptible_lock_irq_timeout( \
+ wq, condition, lock, __ret); \
+ __ret; \
+})
+
#define __wait_event_killable(wq, condition, ret) \
do { \
const struct in6_addr *daddr,
unsigned int srcprefs,
struct in6_addr *saddr);
+extern int __ipv6_get_lladdr(struct inet6_dev *idev,
+ struct in6_addr *addr,
+ unsigned char banned_flags);
extern int ipv6_get_lladdr(struct net_device *dev,
struct in6_addr *addr,
unsigned char banned_flags);
u32 pmtu_orig;
u32 pmtu_learned;
struct inetpeer_addr_base redirect_learned;
+ union {
+ struct list_head gc_list;
+ struct rcu_head gc_rcu;
+ };
/*
* Once inet_peer is queued for deletion (refcnt == -1), following fields
* are not available: rid, ip_id_count, tcp_ts, tcp_ts_stamp
extern void inet_putpeer(struct inet_peer *p);
extern bool inet_peer_xrlim_allow(struct inet_peer *peer, int timeout);
+extern void inetpeer_invalidate_tree(int family);
+
/*
* temporary check to make sure we dont access rid, ip_id_count, tcp_ts,
* tcp_ts_stamp if no refcount is taken on inet_peer
extern void __ip_select_ident(struct iphdr *iph, struct dst_entry *dst, int more);
-static inline void ip_select_ident(struct iphdr *iph, struct dst_entry *dst, struct sock *sk)
+static inline void ip_select_ident(struct sk_buff *skb, struct dst_entry *dst, struct sock *sk)
{
- if (iph->frag_off & htons(IP_DF)) {
+ struct iphdr *iph = ip_hdr(skb);
+
+ if ((iph->frag_off & htons(IP_DF)) && !skb->local_df) {
/* This is only to work around buggy Windows95/2000
* VJ compression implementations. If the ID field
* does not change, they drop every other packet in
__ip_select_ident(iph, dst, 0);
}
-static inline void ip_select_ident_more(struct iphdr *iph, struct dst_entry *dst, struct sock *sk, int more)
+static inline void ip_select_ident_more(struct sk_buff *skb, struct dst_entry *dst, struct sock *sk, int more)
{
- if (iph->frag_off & htons(IP_DF)) {
+ struct iphdr *iph = ip_hdr(skb);
+
+ if ((iph->frag_off & htons(IP_DF)) && !skb->local_df) {
if (sk && inet_sk(sk)->inet_daddr) {
iph->id = htons(inet_sk(sk)->inet_id);
inet_sk(sk)->inet_id += 1 + more;
int pkt_len = skb->len - skb_transport_offset(skb); \
\
skb->ip_summed = CHECKSUM_NONE; \
- ip_select_ident(iph, &rt->dst, NULL); \
+ ip_select_ident(skb, &rt->dst, NULL); \
\
err = ip_local_out(skb); \
if (likely(net_xmit_eval(err) == 0)) { \
struct raw_hashinfo;
struct module;
+/*
+ * caches using SLAB_DESTROY_BY_RCU should let .next pointer from nulls nodes
+ * un-modified. Special care is taken when initializing object to zero.
+ */
+static inline void sk_prot_clear_nulls(struct sock *sk, int size)
+{
+ if (offsetof(struct sock, sk_node.next) != 0)
+ memset(sk, 0, offsetof(struct sock, sk_node.next));
+ memset(&sk->sk_node.pprev, 0,
+ size - offsetof(struct sock, sk_node.pprev));
+}
+
/* Networking protocol blocks we attach to sockets.
* socket layer -> transport layer interface
* transport -> network interface is defined by struct inet_proto
if (sysctl_tcp_low_latency || !tp->ucopy.task)
return 0;
+ skb_dst_force(skb);
__skb_queue_tail(&tp->ucopy.prequeue, skb);
tp->ucopy.memory += skb->truesize;
if (tp->ucopy.memory > sk->sk_rcvbuf) {
extern void udp_err(struct sk_buff *, u32);
extern int udp_sendmsg(struct kiocb *iocb, struct sock *sk,
struct msghdr *msg, size_t len);
+extern int udp_push_pending_frames(struct sock *sk);
extern void udp_flush_pending_frames(struct sock *sk);
extern int udp_rcv(struct sk_buff *skb);
extern int udp_ioctl(struct sock *sk, int cmd, unsigned long arg);
#include "ring.h"
#include "../grant_table.h"
+/*
+ * Older implementation of Xen network frontend / backend has an
+ * implicit dependency on the MAX_SKB_FRAGS as the maximum number of
+ * ring slots a skb can use. Netfront / netback may not work as
+ * expected when frontend and backend have different MAX_SKB_FRAGS.
+ *
+ * A better approach is to add mechanism for netfront / netback to
+ * negotiate this value. However we cannot fix all possible
+ * frontends, so we need to define a value which states the minimum
+ * slots backend must support.
+ *
+ * The minimum value derives from older Linux kernel's MAX_SKB_FRAGS
+ * (18), which is proved to work with most frontends. Any new backend
+ * which doesn't negotiate with frontend should expect frontend to
+ * send a valid packet using slots up to this value.
+ */
+#define XEN_NETIF_NR_SLOTS_MIN 18
+
/*
* Notifications after enqueuing any type of message should be conditional on
* the appropriate req_event or rsp_event field in the shared ring.
#define _XEN_NETTXF_extra_info (3)
#define XEN_NETTXF_extra_info (1U<<_XEN_NETTXF_extra_info)
+#define XEN_NETIF_MAX_TX_SIZE 0xFFFF
struct xen_netif_tx_request {
grant_ref_t gref; /* Reference to buffer page */
uint16_t offset; /* Offset within buffer page */
#define RING_REQUEST_CONS_OVERFLOW(_r, _cons) \
(((_cons) - (_r)->rsp_prod_pvt) >= RING_SIZE(_r))
+/* Ill-behaved frontend determination: Can there be this many requests? */
+#define RING_REQUEST_PROD_OVERFLOW(_r, _prod) \
+ (((_prod) - (_r)->rsp_prod_pvt) > RING_SIZE(_r))
+
+
#define RING_PUSH_REQUESTS(_r) do { \
wmb(); /* back sees requests /before/ updated producer index */ \
(_r)->sring->req_prod = (_r)->req_prod_pvt; \
/* Wait for auditd to drain the queue a little */
DECLARE_WAITQUEUE(wait, current);
- set_current_state(TASK_INTERRUPTIBLE);
+ set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&audit_backlog_wait, &wait);
if (audit_backlog_limit &&
const char *buffer)
{
struct cgroup_event *event = NULL;
+ struct cgroup *cgrp_cfile;
unsigned int efd, cfd;
struct file *efile = NULL;
struct file *cfile = NULL;
goto fail;
}
+ /*
+ * The file to be monitored must be in the same cgroup as
+ * cgroup.event_control is.
+ */
+ cgrp_cfile = __d_cgrp(cfile->f_dentry->d_parent);
+ if (cgrp_cfile != cgrp) {
+ ret = -EINVAL;
+ goto fail;
+ }
+
if (!event->cft->register_event || !event->cft->unregister_event) {
ret = -EINVAL;
goto fail;
mutex_unlock(&cpu_hotplug.lock);
}
+/*
+ * Wait for currently running CPU hotplug operations to complete (if any) and
+ * disable future CPU hotplug (from sysfs). The 'cpu_add_remove_lock' protects
+ * the 'cpu_hotplug_disabled' flag. The same lock is also acquired by the
+ * hotplug path before performing hotplug operations. So acquiring that lock
+ * guarantees mutual exclusion from any currently running hotplug operations.
+ */
+void cpu_hotplug_disable(void)
+{
+ cpu_maps_update_begin();
+ cpu_hotplug_disabled = 1;
+ cpu_maps_update_done();
+}
+
+void cpu_hotplug_enable(void)
+{
+ cpu_maps_update_begin();
+ cpu_hotplug_disabled = 0;
+ cpu_maps_update_done();
+}
+
#else /* #if CONFIG_HOTPLUG_CPU */
static void cpu_hotplug_begin(void) {}
static void cpu_hotplug_done(void) {}
}
core_initcall(alloc_frozen_cpus);
-/*
- * Prevent regular CPU hotplug from racing with the freezer, by disabling CPU
- * hotplug when tasks are about to be frozen. Also, don't allow the freezer
- * to continue until any currently running CPU hotplug operation gets
- * completed.
- * To modify the 'cpu_hotplug_disabled' flag, we need to acquire the
- * 'cpu_add_remove_lock'. And this same lock is also taken by the regular
- * CPU hotplug path and released only after it is complete. Thus, we
- * (and hence the freezer) will block here until any currently running CPU
- * hotplug operation gets completed.
- */
-void cpu_hotplug_disable_before_freeze(void)
-{
- cpu_maps_update_begin();
- cpu_hotplug_disabled = 1;
- cpu_maps_update_done();
-}
-
-
-/*
- * When tasks have been thawed, re-enable regular CPU hotplug (which had been
- * disabled while beginning to freeze tasks).
- */
-void cpu_hotplug_enable_after_thaw(void)
-{
- cpu_maps_update_begin();
- cpu_hotplug_disabled = 0;
- cpu_maps_update_done();
-}
-
/*
* When callbacks for CPU hotplug notifications are being executed, we must
* ensure that the state of the system with respect to the tasks being frozen
case PM_SUSPEND_PREPARE:
case PM_HIBERNATION_PREPARE:
- cpu_hotplug_disable_before_freeze();
+ cpu_hotplug_disable();
break;
case PM_POST_SUSPEND:
case PM_POST_HIBERNATION:
- cpu_hotplug_enable_after_thaw();
+ cpu_hotplug_enable();
break;
default:
static void update_context_time(struct perf_event_context *ctx);
static u64 perf_event_time(struct perf_event *event);
-static void ring_buffer_attach(struct perf_event *event,
- struct ring_buffer *rb);
-
void __weak perf_event_print_debug(void) { }
extern __weak const char *perf_pmu_name(void)
return !event->cgrp || event->cgrp == cpuctx->cgrp;
}
-static inline void perf_get_cgroup(struct perf_event *event)
+static inline bool perf_tryget_cgroup(struct perf_event *event)
{
- css_get(&event->cgrp->css);
+ return css_tryget(&event->cgrp->css);
}
static inline void perf_put_cgroup(struct perf_event *event)
list_for_each_entry_rcu(pmu, &pmus, entry) {
cpuctx = this_cpu_ptr(pmu->pmu_cpu_context);
+ if (cpuctx->unique_pmu != pmu)
+ continue; /* ensure we process each cpuctx once */
/*
* perf_cgroup_events says at least one
if (mode & PERF_CGROUP_SWIN) {
WARN_ON_ONCE(cpuctx->cgrp);
- /* set cgrp before ctxsw in to
- * allow event_filter_match() to not
- * have to pass task around
+ /*
+ * set cgrp before ctxsw in to allow
+ * event_filter_match() to not have to pass
+ * task around
*/
cpuctx->cgrp = perf_cgroup_from_task(task);
cpu_ctx_sched_in(cpuctx, EVENT_ALL, task);
event->cgrp = cgrp;
/* must be done before we fput() the file */
- perf_get_cgroup(event);
+ if (!perf_tryget_cgroup(event)) {
+ event->cgrp = NULL;
+ ret = -ENOENT;
+ goto out;
+ }
/*
* all events in a group must monitor
{
struct perf_event_context *ctx;
- rcu_read_lock();
retry:
+ /*
+ * One of the few rules of preemptible RCU is that one cannot do
+ * rcu_read_unlock() while holding a scheduler (or nested) lock when
+ * part of the read side critical section was preemptible -- see
+ * rcu_read_unlock_special().
+ *
+ * Since ctx->lock nests under rq->lock we must ensure the entire read
+ * side critical section is non-preemptible.
+ */
+ preempt_disable();
+ rcu_read_lock();
ctx = rcu_dereference(task->perf_event_ctxp[ctxn]);
if (ctx) {
/*
raw_spin_lock_irqsave(&ctx->lock, *flags);
if (ctx != rcu_dereference(task->perf_event_ctxp[ctxn])) {
raw_spin_unlock_irqrestore(&ctx->lock, *flags);
+ rcu_read_unlock();
+ preempt_enable();
goto retry;
}
}
}
rcu_read_unlock();
+ preempt_enable();
return ctx;
}
ctx->nr_stat++;
}
+/*
+ * Initialize event state based on the perf_event_attr::disabled.
+ */
+static inline void perf_event__state_init(struct perf_event *event)
+{
+ event->state = event->attr.disabled ? PERF_EVENT_STATE_OFF :
+ PERF_EVENT_STATE_INACTIVE;
+}
+
/*
* Called at perf_event creation and when events are attached/detached from a
* group.
struct perf_cpu_context *cpuctx = __get_cpu_context(ctx);
int err;
- if (WARN_ON_ONCE(!ctx->is_active))
+ /*
+ * There's a time window between 'ctx->is_active' check
+ * in perf_event_enable function and this place having:
+ * - IRQs on
+ * - ctx->lock unlocked
+ *
+ * where the task could be killed and 'ctx' deactivated
+ * by perf_event_exit_task.
+ */
+ if (!ctx->is_active)
return -EINVAL;
raw_spin_lock(&ctx->lock);
}
static void ring_buffer_put(struct ring_buffer *rb);
+static void ring_buffer_detach(struct perf_event *event, struct ring_buffer *rb);
static void free_event(struct perf_event *event)
{
}
if (event->rb) {
- ring_buffer_put(event->rb);
- event->rb = NULL;
+ struct ring_buffer *rb;
+
+ /*
+ * Can happen when we close an event with re-directed output.
+ *
+ * Since we have a 0 refcount, perf_mmap_close() will skip
+ * over us; possibly making our ring_buffer_put() the last.
+ */
+ mutex_lock(&event->mmap_mutex);
+ rb = event->rb;
+ if (rb) {
+ rcu_assign_pointer(event->rb, NULL);
+ ring_buffer_detach(event, rb);
+ ring_buffer_put(rb); /* could be last */
+ }
+ mutex_unlock(&event->mmap_mutex);
}
if (is_cgroup_event(event))
unsigned int events = POLL_HUP;
/*
- * Race between perf_event_set_output() and perf_poll(): perf_poll()
- * grabs the rb reference but perf_event_set_output() overrides it.
- * Here is the timeline for two threads T1, T2:
- * t0: T1, rb = rcu_dereference(event->rb)
- * t1: T2, old_rb = event->rb
- * t2: T2, event->rb = new rb
- * t3: T2, ring_buffer_detach(old_rb)
- * t4: T1, ring_buffer_attach(rb1)
- * t5: T1, poll_wait(event->waitq)
- *
- * To avoid this problem, we grab mmap_mutex in perf_poll()
- * thereby ensuring that the assignment of the new ring buffer
- * and the detachment of the old buffer appear atomic to perf_poll()
+ * Pin the event->rb by taking event->mmap_mutex; otherwise
+ * perf_event_set_output() can swizzle our rb and make us miss wakeups.
*/
mutex_lock(&event->mmap_mutex);
-
- rcu_read_lock();
- rb = rcu_dereference(event->rb);
- if (rb) {
- ring_buffer_attach(event, rb);
+ rb = event->rb;
+ if (rb)
events = atomic_xchg(&rb->poll, 0);
- }
- rcu_read_unlock();
-
mutex_unlock(&event->mmap_mutex);
poll_wait(file, &event->waitq, wait);
return;
spin_lock_irqsave(&rb->event_lock, flags);
- if (!list_empty(&event->rb_entry))
- goto unlock;
-
- list_add(&event->rb_entry, &rb->event_list);
-unlock:
+ if (list_empty(&event->rb_entry))
+ list_add(&event->rb_entry, &rb->event_list);
spin_unlock_irqrestore(&rb->event_lock, flags);
}
-static void ring_buffer_detach(struct perf_event *event,
- struct ring_buffer *rb)
+static void ring_buffer_detach(struct perf_event *event, struct ring_buffer *rb)
{
unsigned long flags;
rcu_read_lock();
rb = rcu_dereference(event->rb);
- if (!rb)
- goto unlock;
-
- list_for_each_entry_rcu(event, &rb->event_list, rb_entry)
- wake_up_all(&event->waitq);
-
-unlock:
+ if (rb) {
+ list_for_each_entry_rcu(event, &rb->event_list, rb_entry)
+ wake_up_all(&event->waitq);
+ }
rcu_read_unlock();
}
static void ring_buffer_put(struct ring_buffer *rb)
{
- struct perf_event *event, *n;
- unsigned long flags;
-
if (!atomic_dec_and_test(&rb->refcount))
return;
- spin_lock_irqsave(&rb->event_lock, flags);
- list_for_each_entry_safe(event, n, &rb->event_list, rb_entry) {
- list_del_init(&event->rb_entry);
- wake_up_all(&event->waitq);
- }
- spin_unlock_irqrestore(&rb->event_lock, flags);
+ WARN_ON_ONCE(!list_empty(&rb->event_list));
call_rcu(&rb->rcu_head, rb_free_rcu);
}
struct perf_event *event = vma->vm_file->private_data;
atomic_inc(&event->mmap_count);
+ atomic_inc(&event->rb->mmap_count);
}
+/*
+ * A buffer can be mmap()ed multiple times; either directly through the same
+ * event, or through other events by use of perf_event_set_output().
+ *
+ * In order to undo the VM accounting done by perf_mmap() we need to destroy
+ * the buffer here, where we still have a VM context. This means we need
+ * to detach all events redirecting to us.
+ */
static void perf_mmap_close(struct vm_area_struct *vma)
{
struct perf_event *event = vma->vm_file->private_data;
- if (atomic_dec_and_mutex_lock(&event->mmap_count, &event->mmap_mutex)) {
- unsigned long size = perf_data_size(event->rb);
- struct user_struct *user = event->mmap_user;
- struct ring_buffer *rb = event->rb;
+ struct ring_buffer *rb = event->rb;
+ struct user_struct *mmap_user = rb->mmap_user;
+ int mmap_locked = rb->mmap_locked;
+ unsigned long size = perf_data_size(rb);
+
+ atomic_dec(&rb->mmap_count);
+
+ if (!atomic_dec_and_mutex_lock(&event->mmap_count, &event->mmap_mutex))
+ return;
+
+ /* Detach current event from the buffer. */
+ rcu_assign_pointer(event->rb, NULL);
+ ring_buffer_detach(event, rb);
+ mutex_unlock(&event->mmap_mutex);
+
+ /* If there's still other mmap()s of this buffer, we're done. */
+ if (atomic_read(&rb->mmap_count)) {
+ ring_buffer_put(rb); /* can't be last */
+ return;
+ }
+
+ /*
+ * No other mmap()s, detach from all other events that might redirect
+ * into the now unreachable buffer. Somewhat complicated by the
+ * fact that rb::event_lock otherwise nests inside mmap_mutex.
+ */
+again:
+ rcu_read_lock();
+ list_for_each_entry_rcu(event, &rb->event_list, rb_entry) {
+ if (!atomic_long_inc_not_zero(&event->refcount)) {
+ /*
+ * This event is en-route to free_event() which will
+ * detach it and remove it from the list.
+ */
+ continue;
+ }
+ rcu_read_unlock();
- atomic_long_sub((size >> PAGE_SHIFT) + 1, &user->locked_vm);
- vma->vm_mm->pinned_vm -= event->mmap_locked;
- rcu_assign_pointer(event->rb, NULL);
- ring_buffer_detach(event, rb);
+ mutex_lock(&event->mmap_mutex);
+ /*
+ * Check we didn't race with perf_event_set_output() which can
+ * swizzle the rb from under us while we were waiting to
+ * acquire mmap_mutex.
+ *
+ * If we find a different rb; ignore this event, a next
+ * iteration will no longer find it on the list. We have to
+ * still restart the iteration to make sure we're not now
+ * iterating the wrong list.
+ */
+ if (event->rb == rb) {
+ rcu_assign_pointer(event->rb, NULL);
+ ring_buffer_detach(event, rb);
+ ring_buffer_put(rb); /* can't be last, we still have one */
+ }
mutex_unlock(&event->mmap_mutex);
+ put_event(event);
- ring_buffer_put(rb);
- free_uid(user);
+ /*
+ * Restart the iteration; either we're on the wrong list or
+ * destroyed its integrity by doing a deletion.
+ */
+ goto again;
}
+ rcu_read_unlock();
+
+ /*
+ * It could be there's still a few 0-ref events on the list; they'll
+ * get cleaned up by free_event() -- they'll also still have their
+ * ref on the rb and will free it whenever they are done with it.
+ *
+ * Aside from that, this buffer is 'fully' detached and unmapped,
+ * undo the VM accounting.
+ */
+
+ atomic_long_sub((size >> PAGE_SHIFT) + 1, &mmap_user->locked_vm);
+ vma->vm_mm->pinned_vm -= mmap_locked;
+ free_uid(mmap_user);
+
+ ring_buffer_put(rb); /* could be last */
}
static const struct vm_operations_struct perf_mmap_vmops = {
return -EINVAL;
WARN_ON_ONCE(event->ctx->parent_ctx);
+again:
mutex_lock(&event->mmap_mutex);
if (event->rb) {
- if (event->rb->nr_pages == nr_pages)
- atomic_inc(&event->rb->refcount);
- else
+ if (event->rb->nr_pages != nr_pages) {
ret = -EINVAL;
+ goto unlock;
+ }
+
+ if (!atomic_inc_not_zero(&event->rb->mmap_count)) {
+ /*
+ * Raced against perf_mmap_close() through
+ * perf_event_set_output(). Try again, hope for better
+ * luck.
+ */
+ mutex_unlock(&event->mmap_mutex);
+ goto again;
+ }
+
goto unlock;
}
ret = -ENOMEM;
goto unlock;
}
- rcu_assign_pointer(event->rb, rb);
+
+ atomic_set(&rb->mmap_count, 1);
+ rb->mmap_locked = extra;
+ rb->mmap_user = get_current_user();
atomic_long_add(user_extra, &user->locked_vm);
- event->mmap_locked = extra;
- event->mmap_user = get_current_user();
- vma->vm_mm->pinned_vm += event->mmap_locked;
+ vma->vm_mm->pinned_vm += extra;
+
+ ring_buffer_attach(event, rb);
+ rcu_assign_pointer(event->rb, rb);
unlock:
if (!ret)
atomic_inc(&event->mmap_count);
mutex_unlock(&event->mmap_mutex);
- vma->vm_flags |= VM_RESERVED;
+ /*
+ * Since pinned accounting is per vm we cannot allow fork() to copy our
+ * vma.
+ */
+ vma->vm_flags |= VM_DONTCOPY | VM_RESERVED;
vma->vm_ops = &perf_mmap_vmops;
return ret;
rcu_read_lock();
list_for_each_entry_rcu(pmu, &pmus, entry) {
cpuctx = get_cpu_ptr(pmu->pmu_cpu_context);
- if (cpuctx->active_pmu != pmu)
+ if (cpuctx->unique_pmu != pmu)
goto next;
perf_event_task_ctx(&cpuctx->ctx, task_event);
rcu_read_lock();
list_for_each_entry_rcu(pmu, &pmus, entry) {
cpuctx = get_cpu_ptr(pmu->pmu_cpu_context);
- if (cpuctx->active_pmu != pmu)
+ if (cpuctx->unique_pmu != pmu)
goto next;
perf_event_comm_ctx(&cpuctx->ctx, comm_event);
rcu_read_lock();
list_for_each_entry_rcu(pmu, &pmus, entry) {
cpuctx = get_cpu_ptr(pmu->pmu_cpu_context);
- if (cpuctx->active_pmu != pmu)
+ if (cpuctx->unique_pmu != pmu)
goto next;
perf_event_mmap_ctx(&cpuctx->ctx, mmap_event,
vma->vm_flags & VM_EXEC);
cpuctx = per_cpu_ptr(pmu->pmu_cpu_context, cpu);
- if (cpuctx->active_pmu == old_pmu)
- cpuctx->active_pmu = pmu;
+ if (cpuctx->unique_pmu == old_pmu)
+ cpuctx->unique_pmu = pmu;
}
}
cpuctx->ctx.pmu = pmu;
cpuctx->jiffies_interval = 1;
INIT_LIST_HEAD(&cpuctx->rotation_list);
- cpuctx->active_pmu = pmu;
+ cpuctx->unique_pmu = pmu;
}
got_cpu_context:
event->overflow_handler = overflow_handler;
event->overflow_handler_context = context;
- if (attr->disabled)
- event->state = PERF_EVENT_STATE_OFF;
+ perf_event__state_init(event);
pmu = NULL;
if (atomic_read(&event->mmap_count))
goto unlock;
+ old_rb = event->rb;
+
if (output_event) {
/* get the rb we want to redirect to */
rb = ring_buffer_get(output_event);
goto unlock;
}
- old_rb = event->rb;
- rcu_assign_pointer(event->rb, rb);
if (old_rb)
ring_buffer_detach(event, old_rb);
+
+ if (rb)
+ ring_buffer_attach(event, rb);
+
+ rcu_assign_pointer(event->rb, rb);
+
+ if (old_rb) {
+ ring_buffer_put(old_rb);
+ /*
+ * Since we detached before setting the new rb, so that we
+ * could attach the new rb, we could have missed a wakeup.
+ * Provide it now.
+ */
+ wake_up_all(&event->waitq);
+ }
+
ret = 0;
unlock:
mutex_unlock(&event->mmap_mutex);
- if (old_rb)
- ring_buffer_put(old_rb);
out:
return ret;
}
mutex_lock(&gctx->mutex);
perf_remove_from_context(group_leader);
+
+ /*
+ * Removing from the context ends up with disabled
+ * event. What we want here is event in the initial
+ * startup state, ready to be add into new context.
+ */
+ perf_event__state_init(group_leader);
list_for_each_entry(sibling, &group_leader->sibling_list,
group_entry) {
perf_remove_from_context(sibling);
+ perf_event__state_init(sibling);
put_ctx(gctx);
}
mutex_unlock(&gctx->mutex);
* child.
*/
- child_ctx = alloc_perf_context(event->pmu, child);
+ child_ctx = alloc_perf_context(parent_ctx->pmu, child);
if (!child_ctx)
return -ENOMEM;
return;
}
- for_each_online_cpu(cpu) {
+ for_each_possible_cpu(cpu) {
unsigned int nr;
nr = per_cpu(nr_cpu_bp_pinned[type], cpu);
if (cpu >= 0) {
toggle_bp_task_slot(bp, cpu, enable, type, weight);
} else {
- for_each_online_cpu(cpu)
+ for_each_possible_cpu(cpu)
toggle_bp_task_slot(bp, cpu, enable, type, weight);
}
spinlock_t event_lock;
struct list_head event_list;
+ atomic_t mmap_count;
+ unsigned long mmap_locked;
+ struct user_struct *mmap_user;
+
struct perf_event_mmap_page *user_page;
void *data_pages[0];
};
#include <linux/pid.h>
#include <linux/nsproxy.h>
#include <linux/ptrace.h>
+#include <linux/hugetlb.h>
#include <asm/futex.h>
} else {
key->both.offset |= FUT_OFF_INODE; /* inode-based key */
key->shared.inode = page_head->mapping->host;
- key->shared.pgoff = page_head->index;
+ key->shared.pgoff = basepage_index(page);
}
get_futex_key_refs(key);
return 0;
if (irq_settings_can_request(desc)) {
- if (desc->action)
- if (irqflags & desc->action->flags & IRQF_SHARED)
- canrequest =1;
+ if (!desc->action ||
+ irqflags & desc->action->flags & IRQF_SHARED)
+ canrequest = 1;
}
irq_put_desc_unlock(desc, flags);
return canrequest;
int retval = 0;
helper_lock();
+ if (!sub_info->path) {
+ retval = -EINVAL;
+ goto out;
+ }
+
if (sub_info->path[0] == '\0')
goto out;
}
}
printk_cpu = UINT_MAX;
+ raw_spin_unlock(&logbuf_lock);
if (wake)
up(&console_sem);
- raw_spin_unlock(&logbuf_lock);
return retval;
}
static const char recursion_bug_msg [] =
*tablep = NULL;
}
+static int min_load_idx = 0;
+static int max_load_idx = CPU_LOAD_IDX_MAX-1;
+
static void
set_table_entry(struct ctl_table *entry,
const char *procname, void *data, int maxlen,
- mode_t mode, proc_handler *proc_handler)
+ mode_t mode, proc_handler *proc_handler,
+ bool load_idx)
{
entry->procname = procname;
entry->data = data;
entry->maxlen = maxlen;
entry->mode = mode;
entry->proc_handler = proc_handler;
+
+ if (load_idx) {
+ entry->extra1 = &min_load_idx;
+ entry->extra2 = &max_load_idx;
+ }
}
static struct ctl_table *
return NULL;
set_table_entry(&table[0], "min_interval", &sd->min_interval,
- sizeof(long), 0644, proc_doulongvec_minmax);
+ sizeof(long), 0644, proc_doulongvec_minmax, false);
set_table_entry(&table[1], "max_interval", &sd->max_interval,
- sizeof(long), 0644, proc_doulongvec_minmax);
+ sizeof(long), 0644, proc_doulongvec_minmax, false);
set_table_entry(&table[2], "busy_idx", &sd->busy_idx,
- sizeof(int), 0644, proc_dointvec_minmax);
+ sizeof(int), 0644, proc_dointvec_minmax, true);
set_table_entry(&table[3], "idle_idx", &sd->idle_idx,
- sizeof(int), 0644, proc_dointvec_minmax);
+ sizeof(int), 0644, proc_dointvec_minmax, true);
set_table_entry(&table[4], "newidle_idx", &sd->newidle_idx,
- sizeof(int), 0644, proc_dointvec_minmax);
+ sizeof(int), 0644, proc_dointvec_minmax, true);
set_table_entry(&table[5], "wake_idx", &sd->wake_idx,
- sizeof(int), 0644, proc_dointvec_minmax);
+ sizeof(int), 0644, proc_dointvec_minmax, true);
set_table_entry(&table[6], "forkexec_idx", &sd->forkexec_idx,
- sizeof(int), 0644, proc_dointvec_minmax);
+ sizeof(int), 0644, proc_dointvec_minmax, true);
set_table_entry(&table[7], "busy_factor", &sd->busy_factor,
- sizeof(int), 0644, proc_dointvec_minmax);
+ sizeof(int), 0644, proc_dointvec_minmax, false);
set_table_entry(&table[8], "imbalance_pct", &sd->imbalance_pct,
- sizeof(int), 0644, proc_dointvec_minmax);
+ sizeof(int), 0644, proc_dointvec_minmax, false);
set_table_entry(&table[9], "cache_nice_tries",
&sd->cache_nice_tries,
- sizeof(int), 0644, proc_dointvec_minmax);
+ sizeof(int), 0644, proc_dointvec_minmax, false);
set_table_entry(&table[10], "flags", &sd->flags,
- sizeof(int), 0644, proc_dointvec_minmax);
+ sizeof(int), 0644, proc_dointvec_minmax, false);
set_table_entry(&table[11], "name", sd->name,
- CORENAME_MAX_SIZE, 0444, proc_dostring);
+ CORENAME_MAX_SIZE, 0444, proc_dostring, false);
/* &table[12] is terminator */
return table;
update_rq_clock(rq);
- if (unlikely(task_cpu(p) != this_cpu)) {
- rcu_read_lock();
- __set_task_cpu(p, this_cpu);
- rcu_read_unlock();
- }
+ /*
+ * Not only the cpu but also the task_group of the parent might have
+ * been changed after parent->se.parent,cfs_rq were copied to
+ * child->se.parent,cfs_rq. So call __set_task_cpu() to make those
+ * of child point to valid ones.
+ */
+ rcu_read_lock();
+ __set_task_cpu(p, this_cpu);
+ rcu_read_unlock();
update_curr(cfs_rq);
* idle runqueue:
*/
if (rq->cfs.load.weight)
- rr_interval = NS_TO_JIFFIES(sched_slice(&rq->cfs, se));
+ rr_interval = NS_TO_JIFFIES(sched_slice(cfs_rq_of(se), se));
return rr_interval;
}
}
EXPORT_SYMBOL(unregister_reboot_notifier);
+/* Add backwards compatibility for stable trees. */
+#ifndef PF_NO_SETAFFINITY
+#define PF_NO_SETAFFINITY PF_THREAD_BOUND
+#endif
+
+static void migrate_to_reboot_cpu(void)
+{
+ /* The boot cpu is always logical cpu 0 */
+ int cpu = 0;
+
+ cpu_hotplug_disable();
+
+ /* Make certain the cpu I'm about to reboot on is online */
+ if (!cpu_online(cpu))
+ cpu = cpumask_first(cpu_online_mask);
+
+ /* Prevent races with other tasks migrating this task */
+ current->flags |= PF_NO_SETAFFINITY;
+
+ /* Make certain I only run on the appropriate processor */
+ set_cpus_allowed_ptr(current, cpumask_of(cpu));
+}
+
/**
* kernel_restart - reboot the system
* @cmd: pointer to buffer containing command to execute for restart
void kernel_restart(char *cmd)
{
kernel_restart_prepare(cmd);
- disable_nonboot_cpus();
+ migrate_to_reboot_cpu();
syscore_shutdown();
if (!cmd)
printk(KERN_EMERG "Restarting system.\n");
void kernel_halt(void)
{
kernel_shutdown_prepare(SYSTEM_HALT);
- disable_nonboot_cpus();
+ migrate_to_reboot_cpu();
syscore_shutdown();
printk(KERN_EMERG "System halted.\n");
kmsg_dump(KMSG_DUMP_HALT);
kernel_shutdown_prepare(SYSTEM_POWER_OFF);
if (pm_power_off_prepare)
pm_power_off_prepare();
- disable_nonboot_cpus();
+ migrate_to_reboot_cpu();
syscore_shutdown();
printk(KERN_EMERG "Power down.\n");
kmsg_dump(KMSG_DUMP_POWEROFF);
hrtimer_cancel(&ts->sched_timer);
# endif
- ts->nohz_mode = NOHZ_MODE_INACTIVE;
+ memset(ts, 0, sizeof(*ts));
}
#endif
/* now that we have rounded, subtract the extra skew again */
j -= cpu * 3;
- if (j <= jiffies) /* rounding ate our timeout entirely; */
- return original;
- return j;
+ /*
+ * Make sure j is still in the future. Otherwise return the
+ * unmodified value.
+ */
+ return time_is_after_jiffies(j) ? j : original;
}
/**
boot_done = 1;
base = &boot_tvec_bases;
}
+ spin_lock_init(&base->lock);
tvec_base_done[cpu] = 1;
} else {
base = per_cpu(tvec_bases, cpu);
}
- spin_lock_init(&base->lock);
for (j = 0; j < TVN_SIZE; j++) {
INIT_LIST_HEAD(base->tv5.vec + j);
static struct pid * const ftrace_swapper_pid = &init_struct_pid;
+static loff_t
+ftrace_filter_lseek(struct file *file, loff_t offset, int whence)
+{
+ loff_t ret;
+
+ if (file->f_mode & FMODE_READ)
+ ret = seq_lseek(file, offset, whence);
+ else
+ file->f_pos = ret = 1;
+
+ return ret;
+}
+
#ifdef CONFIG_DYNAMIC_FTRACE
#ifndef CONFIG_FTRACE_MCOUNT_RECORD
inode, file);
}
-static loff_t
-ftrace_filter_lseek(struct file *file, loff_t offset, int origin)
-{
- loff_t ret;
-
- if (file->f_mode & FMODE_READ)
- ret = seq_lseek(file, offset, origin);
- else
- file->f_pos = ret = 1;
-
- return ret;
-}
-
static int ftrace_match(char *str, char *regex, int len, int type)
{
int matched = 0;
memcpy(max_data->comm, tsk->comm, TASK_COMM_LEN);
max_data->pid = tsk->pid;
- max_data->uid = task_uid(tsk);
+ /*
+ * If tsk == current, then use current_uid(), as that does not use
+ * RCU. The irq tracer can be called out of RCU scope.
+ */
+ if (tsk == current)
+ max_data->uid = current_uid();
+ else
+ max_data->uid = task_uid(tsk);
+
max_data->nice = tsk->static_prio - 20 - MAX_RT_PRIO;
max_data->policy = tsk->policy;
max_data->rt_priority = tsk->rt_priority;
memset(&iter->seq, 0,
sizeof(struct trace_iterator) -
offsetof(struct trace_iterator, seq));
+ cpumask_clear(iter->started);
iter->pos = -1;
trace_event_read_lock();
static void __free_preds(struct event_filter *filter)
{
+ int i;
+
if (filter->preds) {
+ for (i = 0; i < filter->n_preds; i++)
+ kfree(filter->preds[i].ops);
kfree(filter->preds);
filter->preds = NULL;
}
struct syscall_metadata *sys_data;
struct ring_buffer_event *event;
struct ring_buffer *buffer;
+ unsigned long irq_flags;
+ int pc;
int size;
int syscall_nr;
size = sizeof(*entry) + sizeof(unsigned long) * sys_data->nb_args;
+ local_save_flags(irq_flags);
+ pc = preempt_count();
+
event = trace_current_buffer_lock_reserve(&buffer,
- sys_data->enter_event->event.type, size, 0, 0);
+ sys_data->enter_event->event.type, size, irq_flags, pc);
if (!event)
return;
if (!filter_current_check_discard(buffer, sys_data->enter_event,
entry, event))
- trace_current_buffer_unlock_commit(buffer, event, 0, 0);
+ trace_current_buffer_unlock_commit(buffer, event,
+ irq_flags, pc);
}
void ftrace_syscall_exit(void *ignore, struct pt_regs *regs, long ret)
struct syscall_metadata *sys_data;
struct ring_buffer_event *event;
struct ring_buffer *buffer;
+ unsigned long irq_flags;
+ int pc;
int syscall_nr;
syscall_nr = syscall_get_nr(current, regs);
if (!sys_data)
return;
+ local_save_flags(irq_flags);
+ pc = preempt_count();
+
event = trace_current_buffer_lock_reserve(&buffer,
- sys_data->exit_event->event.type, sizeof(*entry), 0, 0);
+ sys_data->exit_event->event.type, sizeof(*entry),
+ irq_flags, pc);
if (!event)
return;
if (!filter_current_check_discard(buffer, sys_data->exit_event,
entry, event))
- trace_current_buffer_unlock_commit(buffer, event, 0, 0);
+ trace_current_buffer_unlock_commit(buffer, event,
+ irq_flags, pc);
}
int reg_event_syscall_enter(struct ftrace_event_call *call)
dump_stack();
}
+ /*
+ * The following prevents a kworker from hogging CPU on !PREEMPT
+ * kernels, where a requeueing work item waiting for something to
+ * happen could deadlock with stop_machine as such work item could
+ * indefinitely requeue itself while all other CPUs are trapped in
+ * stop_machine.
+ */
+ cond_resched();
+
spin_lock_irq(&gcwq->lock);
/* clear cpu intensive status */
printk("Mem-Info:\n");
show_free_areas(filter);
+ if (filter & SHOW_MEM_FILTER_PAGE_COUNT)
+ return;
+
for_each_online_pgdat(pgdat) {
unsigned long i, flags;
/*
* free up bounce indirect pages used
*/
- __bio_for_each_segment(bvec, bio, i, 0) {
+ bio_for_each_segment_all(bvec, bio, i) {
org_vec = bio_orig->bi_io_vec + i;
if (bvec->bv_page == org_vec->bv_page)
continue;
goto out;
vma = find_vma(mm, address);
+ if (!vma)
+ goto out;
hstart = (vma->vm_start + ~HPAGE_PMD_MASK) & HPAGE_PMD_MASK;
hend = vma->vm_end & HPAGE_PMD_MASK;
if (address < hstart || address + HPAGE_PMD_SIZE > hend)
pte_unmap(pte);
spin_lock(&mm->page_table_lock);
BUG_ON(!pmd_none(*pmd));
- set_pmd_at(mm, address, pmd, _pmd);
+ /*
+ * We can only use set_pmd_at when establishing
+ * hugepmds and never for establishing regular pmds that
+ * points to regular pagetables. Use pmd_populate for that
+ */
+ pmd_populate(mm, pmd, pmd_pgtable(_pmd));
spin_unlock(&mm->page_table_lock);
anon_vma_unlock(vma->anon_vma);
goto out;
}
EXPORT_SYMBOL_GPL(PageHuge);
+pgoff_t __basepage_index(struct page *page)
+{
+ struct page *page_head = compound_head(page);
+ pgoff_t index = page_index(page_head);
+ unsigned long compound_idx;
+
+ if (!PageHuge(page_head))
+ return page_index(page);
+
+ if (compound_order(page_head) >= MAX_ORDER)
+ compound_idx = page_to_pfn(page) - page_to_pfn(page_head);
+ else
+ compound_idx = page - page_head;
+
+ return (index << compound_order(page_head)) + compound_idx;
+}
+
static struct page *alloc_fresh_huge_page_node(struct hstate *h, int nid)
{
struct page *page;
if (ptep) {
entry = huge_ptep_get(ptep);
if (unlikely(is_hugetlb_entry_migration(entry))) {
- migration_entry_wait(mm, (pmd_t *)ptep, address);
+ migration_entry_wait_huge(mm, ptep);
return 0;
} else if (unlikely(is_hugetlb_entry_hwpoisoned(entry)))
return VM_FAULT_HWPOISON_LARGE |
const struct mem_cgroup_threshold *_a = a;
const struct mem_cgroup_threshold *_b = b;
- return _a->threshold - _b->threshold;
+ if (_a->threshold > _b->threshold)
+ return 1;
+
+ if (_a->threshold < _b->threshold)
+ return -1;
+
+ return 0;
}
static int mem_cgroup_oom_notify_cb(struct mem_cgroup *memcg)
if (PageHuge(new))
pte = pte_mkhuge(pte);
#endif
- flush_cache_page(vma, addr, pte_pfn(pte));
+ flush_dcache_page(new);
set_pte_at(mm, addr, ptep, pte);
if (PageHuge(new)) {
*
* This function is called from do_swap_page().
*/
-void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd,
- unsigned long address)
+static void __migration_entry_wait(struct mm_struct *mm, pte_t *ptep,
+ spinlock_t *ptl)
{
- pte_t *ptep, pte;
- spinlock_t *ptl;
+ pte_t pte;
swp_entry_t entry;
struct page *page;
- ptep = pte_offset_map_lock(mm, pmd, address, &ptl);
+ spin_lock(ptl);
pte = *ptep;
if (!is_swap_pte(pte))
goto out;
pte_unmap_unlock(ptep, ptl);
}
+void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd,
+ unsigned long address)
+{
+ spinlock_t *ptl = pte_lockptr(mm, pmd);
+ pte_t *ptep = pte_offset_map(pmd, address);
+ __migration_entry_wait(mm, ptep, ptl);
+}
+
+void migration_entry_wait_huge(struct mm_struct *mm, pte_t *pte)
+{
+ spinlock_t *ptl = &(mm)->page_table_lock;
+ __migration_entry_wait(mm, pte, ptl);
+}
+
#ifdef CONFIG_BLOCK
/* Returns true if all buffers are successfully locked */
static bool buffer_migrate_lock_buffers(struct buffer_head *head,
void __mmu_notifier_release(struct mm_struct *mm)
{
struct mmu_notifier *mn;
+ struct hlist_node *n;
int id;
/*
- * srcu_read_lock() here will block synchronize_srcu() in
- * mmu_notifier_unregister() until all registered
- * ->release() callouts this function makes have
- * returned.
+ * SRCU here will block mmu_notifier_unregister until
+ * ->release returns.
*/
id = srcu_read_lock(&srcu);
+ hlist_for_each_entry_rcu(mn, n, &mm->mmu_notifier_mm->list, hlist)
+ /*
+ * If ->release runs before mmu_notifier_unregister it must be
+ * handled, as it's the only way for the driver to flush all
+ * existing sptes and stop the driver from establishing any more
+ * sptes before all the pages in the mm are freed.
+ */
+ if (mn->ops->release)
+ mn->ops->release(mn, mm);
+ srcu_read_unlock(&srcu, id);
+
spin_lock(&mm->mmu_notifier_mm->lock);
while (unlikely(!hlist_empty(&mm->mmu_notifier_mm->list))) {
mn = hlist_entry(mm->mmu_notifier_mm->list.first,
struct mmu_notifier,
hlist);
-
/*
- * Unlink. This will prevent mmu_notifier_unregister()
- * from also making the ->release() callout.
+ * We arrived before mmu_notifier_unregister so
+ * mmu_notifier_unregister will do nothing other than to wait
+ * for ->release to finish and for mmu_notifier_unregister to
+ * return.
*/
hlist_del_init_rcu(&mn->hlist);
- spin_unlock(&mm->mmu_notifier_mm->lock);
-
- /*
- * Clear sptes. (see 'release' description in mmu_notifier.h)
- */
- if (mn->ops->release)
- mn->ops->release(mn, mm);
-
- spin_lock(&mm->mmu_notifier_mm->lock);
}
spin_unlock(&mm->mmu_notifier_mm->lock);
/*
- * All callouts to ->release() which we have done are complete.
- * Allow synchronize_srcu() in mmu_notifier_unregister() to complete
- */
- srcu_read_unlock(&srcu, id);
-
- /*
- * mmu_notifier_unregister() may have unlinked a notifier and may
- * still be calling out to it. Additionally, other notifiers
- * may have been active via vmtruncate() et. al. Block here
- * to ensure that all notifier callouts for this mm have been
- * completed and the sptes are really cleaned up before returning
- * to exit_mmap().
+ * synchronize_srcu here prevents mmu_notifier_release from returning to
+ * exit_mmap (which would proceed with freeing all pages in the mm)
+ * until the ->release method returns, if it was invoked by
+ * mmu_notifier_unregister.
+ *
+ * The mmu_notifier_mm can't go away from under us because one mm_count
+ * is held by exit_mmap.
*/
synchronize_srcu(&srcu);
}
{
BUG_ON(atomic_read(&mm->mm_count) <= 0);
- spin_lock(&mm->mmu_notifier_mm->lock);
if (!hlist_unhashed(&mn->hlist)) {
+ /*
+ * SRCU here will force exit_mmap to wait for ->release to
+ * finish before freeing the pages.
+ */
int id;
+ id = srcu_read_lock(&srcu);
/*
- * Ensure we synchronize up with __mmu_notifier_release().
+ * exit_mmap will block in mmu_notifier_release to guarantee
+ * that ->release is called before freeing the pages.
*/
- id = srcu_read_lock(&srcu);
-
- hlist_del_rcu(&mn->hlist);
- spin_unlock(&mm->mmu_notifier_mm->lock);
-
if (mn->ops->release)
mn->ops->release(mn, mm);
+ srcu_read_unlock(&srcu, id);
+ spin_lock(&mm->mmu_notifier_mm->lock);
/*
- * Allow __mmu_notifier_release() to complete.
+ * Can not use list_del_rcu() since __mmu_notifier_release
+ * can delete it before we hold the lock.
*/
- srcu_read_unlock(&srcu, id);
- } else
+ hlist_del_init_rcu(&mn->hlist);
spin_unlock(&mm->mmu_notifier_mm->lock);
+ }
/*
- * Wait for any running method to finish, including ->release() if it
- * was run by __mmu_notifier_release() instead of us.
+ * Wait for any running method to finish, of course including
+ * ->release if it was run by mmu_notifier_relase instead of us.
*/
synchronize_srcu(&srcu);
}
EXPORT_SYMBOL(remap_pfn_range);
+int vm_iomap_memory(struct vm_area_struct *vma, phys_addr_t start, unsigned long len)
+{
+ unsigned long pfn = start >> PAGE_SHIFT;
+ unsigned long vm_len = vma->vm_end - vma->vm_start;
+
+ pfn += vma->vm_pgoff;
+ return io_remap_pfn_range(vma, vma->vm_start, pfn, vm_len, vma->vm_page_prot);
+}
+EXPORT_SYMBOL(vm_iomap_memory);
+
int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
unsigned long pgoff)
{
debug_guardpage_minorder() > 0)
return;
+ /*
+ * Walking all memory to count page types is very expensive and should
+ * be inhibited in non-blockable contexts.
+ */
+ if (!(gfp_mask & __GFP_WAIT))
+ filter |= SHOW_MEM_FILTER_PAGE_COUNT;
+
/*
* This documents exceptions given to allocations in certain
* contexts that are allowed to allocate outside current's set
zone->free_area[order].nr_free--;
__mod_zone_page_state(zone, NR_FREE_PAGES,
- (1UL << order));
+#ifdef CONFIG_HIGHMEM
+ if (PageHighMem(page))
+ totalhigh_pages -= 1 << order;
+#endif
for (i = 0; i < (1 << order); i++)
SetPageReserved((page+i));
pfn += (1 << order);
return 0;
}
-static struct vm_area_struct* hugetlb_vma(unsigned long addr, struct mm_walk *walk)
-{
- struct vm_area_struct *vma;
-
- /* We don't need vma lookup at all. */
- if (!walk->hugetlb_entry)
- return NULL;
-
- VM_BUG_ON(!rwsem_is_locked(&walk->mm->mmap_sem));
- vma = find_vma(walk->mm, addr);
- if (vma && vma->vm_start <= addr && is_vm_hugetlb_page(vma))
- return vma;
-
- return NULL;
-}
-
#else /* CONFIG_HUGETLB_PAGE */
-static struct vm_area_struct* hugetlb_vma(unsigned long addr, struct mm_walk *walk)
-{
- return NULL;
-}
-
static int walk_hugetlb_range(struct vm_area_struct *vma,
unsigned long addr, unsigned long end,
struct mm_walk *walk)
if (!walk->mm)
return -EINVAL;
+ VM_BUG_ON(!rwsem_is_locked(&walk->mm->mmap_sem));
+
pgd = pgd_offset(walk->mm, addr);
do {
- struct vm_area_struct *vma;
+ struct vm_area_struct *vma = NULL;
next = pgd_addr_end(addr, end);
/*
- * handle hugetlb vma individually because pagetable walk for
- * the hugetlb page is dependent on the architecture and
- * we can't handled it in the same manner as non-huge pages.
+ * This function was not intended to be vma based.
+ * But there are vma special cases to be handled:
+ * - hugetlb vma's
+ * - VM_PFNMAP vma's
*/
- vma = hugetlb_vma(addr, walk);
+ vma = find_vma(walk->mm, addr);
if (vma) {
- if (vma->vm_end < next)
+ /*
+ * There are no page structures backing a VM_PFNMAP
+ * range, so do not allow split_huge_page_pmd().
+ */
+ if ((vma->vm_start <= addr) &&
+ (vma->vm_flags & VM_PFNMAP)) {
next = vma->vm_end;
+ pgd = pgd_offset(walk->mm, next);
+ continue;
+ }
/*
- * Hugepage is very tightly coupled with vma, so
- * walk through hugetlb entries within a given vma.
+ * Handle hugetlb vma individually because pagetable
+ * walk for the hugetlb page is dependent on the
+ * architecture and we can't handled it in the same
+ * manner as non-huge pages.
*/
- err = walk_hugetlb_range(vma, addr, next, walk);
- if (err)
- break;
- pgd = pgd_offset(walk->mm, next);
- continue;
+ if (walk->hugetlb_entry && (vma->vm_start <= addr) &&
+ is_vm_hugetlb_page(vma)) {
+ if (vma->vm_end < next)
+ next = vma->vm_end;
+ /*
+ * Hugepage is very tightly coupled with vma,
+ * so walk through hugetlb entries within a
+ * given vma.
+ */
+ err = walk_hugetlb_range(vma, addr, next, walk);
+ if (err)
+ break;
+ pgd = pgd_offset(walk->mm, next);
+ continue;
+ }
}
if (pgd_none_or_clear_bad(pgd)) {
* Swap entry may have been freed since our caller observed it.
*/
err = swapcache_prepare(entry);
- if (err == -EEXIST) { /* seems racy */
+ if (err == -EEXIST) {
radix_tree_preload_end();
+ /*
+ * We might race against get_swap_page() and stumble
+ * across a SWAP_HAS_CACHE swap_map entry whose page
+ * has not been brought into the swapcache yet, while
+ * the other end is scheduled away waiting on discard
+ * I/O completion at scan_swap_map().
+ *
+ * In order to avoid turning this transitory state
+ * into a permanent loop around this -EEXIST case
+ * if !CONFIG_PREEMPT and the I/O completion happens
+ * to be waiting on the CPU waitqueue where we are now
+ * busy looping, we just conditionally invoke the
+ * scheduler here, if there are some more important
+ * tasks to run.
+ */
+ cond_resched();
continue;
}
if (err) { /* swp entry is obsolete ? */
{
struct vlan_priority_tci_mapping *mp;
+ smp_rmb(); /* coupled with smp_wmb() in vlan_dev_set_egress_priority() */
+
mp = vlan_dev_info(dev)->egress_priority_map[(skb->priority & 0xF)];
while (mp) {
if (mp->priority == skb->priority) {
np->next = mp;
np->priority = skb_prio;
np->vlan_qos = vlan_qos;
+ /* Before inserting this element in hash table, make sure all its fields
+ * are committed to memory.
+ * coupled with smp_rmb() in vlan_dev_get_egress_qos_mask()
+ */
+ smp_wmb();
vlan->egress_priority_map[skb_prio & 0xF] = np;
if (vlan_qos)
vlan->nr_egress_mappings++;
*/
void p9_release_pages(struct page **pages, int nr_pages)
{
- int i = 0;
- while (pages[i] && nr_pages--) {
- put_page(pages[i]);
- i++;
- }
+ int i;
+
+ for (i = 0; i < nr_pages; i++)
+ if (pages[i])
+ put_page(pages[i]);
}
EXPORT_SYMBOL(p9_release_pages);
BT_DBG("conn %p, code 0x%2.2x, ident 0x%2.2x, len %d",
conn, code, ident, dlen);
+ if (conn->mtu < L2CAP_HDR_SIZE + L2CAP_CMD_HDR_SIZE)
+ return NULL;
+
len = L2CAP_HDR_SIZE + L2CAP_CMD_HDR_SIZE + dlen;
count = min_t(unsigned int, conn->mtu, len);
}
}
-static inline int l2cap_command_rej(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static inline int l2cap_command_rej(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u16 cmd_len,
+ u8 *data)
{
struct l2cap_cmd_rej_unk *rej = (struct l2cap_cmd_rej_unk *) data;
+ if (cmd_len < sizeof(*rej))
+ return -EPROTO;
+
if (rej->reason != L2CAP_REJ_NOT_UNDERSTOOD)
return 0;
return 0;
}
-static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static int l2cap_connect_req(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u16 cmd_len, u8 *data)
{
struct l2cap_conn_req *req = (struct l2cap_conn_req *) data;
struct l2cap_conn_rsp rsp;
struct sock *parent, *sk = NULL;
int result, status = L2CAP_CS_NO_INFO;
- u16 dcid = 0, scid = __le16_to_cpu(req->scid);
- __le16 psm = req->psm;
+ u16 dcid = 0, scid;
+ __le16 psm;
+
+ if (cmd_len < sizeof(struct l2cap_conn_req))
+ return -EPROTO;
+
+ scid = __le16_to_cpu(req->scid);
+ psm = req->psm;
BT_DBG("psm 0x%2.2x scid 0x%4.4x", psm, scid);
return 0;
}
-static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static int l2cap_connect_rsp(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u16 cmd_len,
+ u8 *data)
{
struct l2cap_conn_rsp *rsp = (struct l2cap_conn_rsp *) data;
u16 scid, dcid, result, status;
struct sock *sk;
u8 req[128];
+ if (cmd_len < sizeof(*rsp))
+ return -EPROTO;
+
scid = __le16_to_cpu(rsp->scid);
dcid = __le16_to_cpu(rsp->dcid);
result = __le16_to_cpu(rsp->result);
struct sock *sk;
int len;
+ if (cmd_len < sizeof(*req))
+ return -EPROTO;
+
dcid = __le16_to_cpu(req->dcid);
flags = __le16_to_cpu(req->flags);
/* Reject if config buffer is too small. */
len = cmd_len - sizeof(*req);
- if (len < 0 || chan->conf_len + len > sizeof(chan->conf_req)) {
+ if (chan->conf_len + len > sizeof(chan->conf_req)) {
l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP,
l2cap_build_conf_rsp(chan, rsp,
L2CAP_CONF_REJECT, flags), rsp);
return 0;
}
-static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static inline int l2cap_config_rsp(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u16 cmd_len,
+ u8 *data)
{
struct l2cap_conf_rsp *rsp = (struct l2cap_conf_rsp *)data;
u16 scid, flags, result;
struct l2cap_chan *chan;
struct sock *sk;
- int len = cmd->len - sizeof(*rsp);
+ int len = cmd_len - sizeof(*rsp);
+
+ if (cmd_len < sizeof(*rsp))
+ return -EPROTO;
scid = __le16_to_cpu(rsp->scid);
flags = __le16_to_cpu(rsp->flags);
return 0;
}
-static inline int l2cap_disconnect_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static inline int l2cap_disconnect_req(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u16 cmd_len,
+ u8 *data)
{
struct l2cap_disconn_req *req = (struct l2cap_disconn_req *) data;
struct l2cap_disconn_rsp rsp;
struct l2cap_chan *chan;
struct sock *sk;
+ if (cmd_len != sizeof(*req))
+ return -EPROTO;
+
scid = __le16_to_cpu(req->scid);
dcid = __le16_to_cpu(req->dcid);
return 0;
}
-static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u16 cmd_len,
+ u8 *data)
{
struct l2cap_disconn_rsp *rsp = (struct l2cap_disconn_rsp *) data;
u16 dcid, scid;
struct l2cap_chan *chan;
struct sock *sk;
+ if (cmd_len != sizeof(*rsp))
+ return -EPROTO;
+
scid = __le16_to_cpu(rsp->scid);
dcid = __le16_to_cpu(rsp->dcid);
return 0;
}
-static inline int l2cap_information_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static inline int l2cap_information_req(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u16 cmd_len,
+ u8 *data)
{
struct l2cap_info_req *req = (struct l2cap_info_req *) data;
u16 type;
+ if (cmd_len != sizeof(*req))
+ return -EPROTO;
+
type = __le16_to_cpu(req->type);
BT_DBG("type 0x%4.4x", type);
return 0;
}
-static inline int l2cap_information_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static inline int l2cap_information_rsp(struct l2cap_conn *conn,
+ struct l2cap_cmd_hdr *cmd, u16 cmd_len,
+ u8 *data)
{
struct l2cap_info_rsp *rsp = (struct l2cap_info_rsp *) data;
u16 type, result;
+ if (cmd_len < sizeof(*rsp))
+ return -EPROTO;
+
type = __le16_to_cpu(rsp->type);
result = __le16_to_cpu(rsp->result);
switch (cmd->code) {
case L2CAP_COMMAND_REJ:
- l2cap_command_rej(conn, cmd, data);
+ l2cap_command_rej(conn, cmd, cmd_len, data);
break;
case L2CAP_CONN_REQ:
- err = l2cap_connect_req(conn, cmd, data);
+ err = l2cap_connect_req(conn, cmd, cmd_len, data);
break;
case L2CAP_CONN_RSP:
- err = l2cap_connect_rsp(conn, cmd, data);
+ err = l2cap_connect_rsp(conn, cmd, cmd_len, data);
break;
case L2CAP_CONF_REQ:
break;
case L2CAP_CONF_RSP:
- err = l2cap_config_rsp(conn, cmd, data);
+ err = l2cap_config_rsp(conn, cmd, cmd_len, data);
break;
case L2CAP_DISCONN_REQ:
- err = l2cap_disconnect_req(conn, cmd, data);
+ err = l2cap_disconnect_req(conn, cmd, cmd_len, data);
break;
case L2CAP_DISCONN_RSP:
- err = l2cap_disconnect_rsp(conn, cmd, data);
+ err = l2cap_disconnect_rsp(conn, cmd, cmd_len, data);
break;
case L2CAP_ECHO_REQ:
break;
case L2CAP_INFO_REQ:
- err = l2cap_information_req(conn, cmd, data);
+ err = l2cap_information_req(conn, cmd, cmd_len, data);
break;
case L2CAP_INFO_RSP:
- err = l2cap_information_rsp(conn, cmd, data);
+ err = l2cap_information_rsp(conn, cmd, cmd_len, data);
break;
default:
skb_set_transport_header(skb, skb->len);
mldq = (struct mld_msg *) icmp6_hdr(skb);
- interval = ipv6_addr_any(group) ? br->multicast_last_member_interval :
- br->multicast_query_response_interval;
+ interval = ipv6_addr_any(group) ?
+ br->multicast_query_response_interval :
+ br->multicast_last_member_interval;
mldq->mld_type = ICMPV6_MGM_QUERY;
mldq->mld_code = 0;
mld2q = (struct mld2_query *)icmp6_hdr(skb);
if (!mld2q->mld2q_nsrcs)
group = &mld2q->mld2q_mca;
- max_delay = mld2q->mld2q_mrc ? MLDV2_MRC(mld2q->mld2q_mrc) : 1;
+
+ max_delay = max(msecs_to_jiffies(MLDV2_MRC(ntohs(mld2q->mld2q_mrc))), 1UL);
}
if (!group)
p->designated_age = jiffies + bpdu->message_age;
mod_timer(&p->message_age_timer, jiffies
- + (p->br->max_age - bpdu->message_age));
+ + (bpdu->max_age - bpdu->message_age));
}
/* called under bridge lock */
br_debug(br, "tcn timer expired\n");
spin_lock(&br->lock);
- if (br->dev->flags & IFF_UP) {
+ if (!br_is_root_bridge(br) && (br->dev->flags & IFF_UP)) {
br_transmit_tcn(br);
mod_timer(&br->tcn_timer,jiffies + br->bridge_hello_time);
count = cfctrl_cancel_req(&cfctrl->serv.layer,
user_layer);
- if (count != 1)
+ if (count != 1) {
pr_err("Could not remove request (%d)", count);
return -ENODEV;
+ }
}
return 0;
}
return xi->starting;
}
+static int build_request(struct ceph_auth_client *ac, void *buf, void *end)
+{
+ return 0;
+}
+
/*
* the generic auth code decode the global_id, and we carry no actual
* authenticate state, so nothing happens here.
.destroy = destroy,
.is_authenticated = is_authenticated,
.should_authenticate = should_authenticate,
+ .build_request = build_request,
.handle_reply = handle_reply,
.create_authorizer = ceph_auth_none_create_authorizer,
.destroy_authorizer = ceph_auth_none_destroy_authorizer,
dout("osdc_start_request failed map, "
" will retry %lld\n", req->r_tid);
rc = 0;
+ } else {
+ __unregister_request(osdc, req);
}
goto out_unlock;
}
asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, unsigned flags)
{
- return sys_sendmsg(fd, (struct msghdr __user *)msg, flags | MSG_CMSG_COMPAT);
+ if (flags & MSG_CMSG_COMPAT)
+ return -EINVAL;
+ return __sys_sendmsg(fd, (struct msghdr __user *)msg, flags | MSG_CMSG_COMPAT);
}
asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg,
unsigned vlen, unsigned int flags)
{
+ if (flags & MSG_CMSG_COMPAT)
+ return -EINVAL;
return __sys_sendmmsg(fd, (struct mmsghdr __user *)mmsg, vlen,
flags | MSG_CMSG_COMPAT);
}
asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg, unsigned int flags)
{
- return sys_recvmsg(fd, (struct msghdr __user *)msg, flags | MSG_CMSG_COMPAT);
+ if (flags & MSG_CMSG_COMPAT)
+ return -EINVAL;
+ return __sys_recvmsg(fd, (struct msghdr __user *)msg, flags | MSG_CMSG_COMPAT);
}
asmlinkage long compat_sys_recv(int fd, void __user *buf, size_t len, unsigned flags)
int datagrams;
struct timespec ktspec;
+ if (flags & MSG_CMSG_COMPAT)
+ return -EINVAL;
+
if (timeout == NULL)
return __sys_recvmmsg(fd, (struct mmsghdr __user *)mmsg, vlen,
flags | MSG_CMSG_COMPAT, NULL);
we must kill timers etc. and move
it to safe state.
*/
- skb_queue_purge(&n->arp_queue);
+ __skb_queue_purge(&n->arp_queue);
n->output = neigh_blackhole;
if (n->nud_state & NUD_VALID)
n->nud_state = NUD_NOARP;
if (!n)
goto out_entries;
- skb_queue_head_init(&n->arp_queue);
+ __skb_queue_head_init(&n->arp_queue);
rwlock_init(&n->lock);
seqlock_init(&n->ha_lock);
n->updated = n->used = now;
if (neigh_del_timer(neigh))
printk(KERN_WARNING "Impossible event.\n");
- skb_queue_purge(&neigh->arp_queue);
+ write_lock_bh(&neigh->lock);
+ __skb_queue_purge(&neigh->arp_queue);
+ write_unlock_bh(&neigh->lock);
dev_put(neigh->dev);
neigh_parms_put(neigh->parms);
neigh->ops->error_report(neigh, skb);
write_lock(&neigh->lock);
}
- skb_queue_purge(&neigh->arp_queue);
+ __skb_queue_purge(&neigh->arp_queue);
}
static void neigh_probe(struct neighbour *neigh)
write_lock_bh(&neigh->lock);
}
- skb_queue_purge(&neigh->arp_queue);
+ __skb_queue_purge(&neigh->arp_queue);
}
out:
if (update_isrouter) {
void netpoll_cleanup(struct netpoll *np)
{
- if (!np->dev)
- return;
-
rtnl_lock();
+ if (!np->dev)
+ goto out;
__netpoll_cleanup(np);
- rtnl_unlock();
-
dev_put(np->dev);
np->dev = NULL;
+out:
+ rtnl_unlock();
}
EXPORT_SYMBOL(netpoll_cleanup);
#endif
}
-/*
- * caches using SLAB_DESTROY_BY_RCU should let .next pointer from nulls nodes
- * un-modified. Special care is taken when initializing object to zero.
- */
-static inline void sk_prot_clear_nulls(struct sock *sk, int size)
-{
- if (offsetof(struct sock, sk_node.next) != 0)
- memset(sk, 0, offsetof(struct sock, sk_node.next));
- memset(&sk->sk_node.pprev, 0,
- size - offsetof(struct sock, sk_node.pprev));
-}
-
void sk_prot_clear_portaddr_nulls(struct sock *sk, int size)
{
unsigned long nulls1, nulls2;
#include <net/sock.h>
#include <net/net_ratelimit.h>
+static int zero = 0;
+static int ushort_max = USHRT_MAX;
+
#ifdef CONFIG_RPS
static int rps_sock_flow_sysctl(ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
.data = &init_net.core.sysctl_somaxconn,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = proc_dointvec
+ .extra1 = &zero,
+ .extra2 = &ushort_max,
+ .proc_handler = proc_dointvec_minmax
},
{ }
};
#include <linux/init.h>
#include <linux/list.h>
#include <linux/slab.h>
-#include <linux/prefetch.h>
#include <linux/export.h>
#include <net/net_namespace.h>
#include <net/ip.h>
if (!c)
continue;
- if (IS_LEAF(c)) {
- prefetch(rcu_dereference_rtnl(p->child[idx]));
+ if (IS_LEAF(c))
return (struct leaf *) c;
- }
/* Rescan start scanning in new node */
p = (struct tnode *) c;
pip->saddr = fl4.saddr;
pip->protocol = IPPROTO_IGMP;
pip->tot_len = 0; /* filled in later */
- ip_select_ident(pip, &rt->dst, NULL);
+ ip_select_ident(skb, &rt->dst, NULL);
((u8*)&pip[1])[0] = IPOPT_RA;
((u8*)&pip[1])[1] = 4;
((u8*)&pip[1])[2] = 0;
iph->daddr = dst;
iph->saddr = fl4.saddr;
iph->protocol = IPPROTO_IGMP;
- ip_select_ident(iph, &rt->dst, NULL);
+ ip_select_ident(skb, &rt->dst, NULL);
((u8*)&iph[1])[0] = IPOPT_RA;
((u8*)&iph[1])[1] = 4;
((u8*)&iph[1])[2] = 0;
in_dev->mr_gq_running = 0;
igmpv3_send_report(in_dev, NULL);
- __in_dev_put(in_dev);
+ in_dev_put(in_dev);
}
static void igmp_ifc_timer_expire(unsigned long data)
in_dev->mr_ifc_count--;
igmp_ifc_start_timer(in_dev, IGMP_Unsolicited_Report_Interval);
}
- __in_dev_put(in_dev);
+ in_dev_put(in_dev);
}
static void igmp_ifc_event(struct in_device *in_dev)
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/net.h>
+#include <linux/workqueue.h>
#include <net/ip.h>
#include <net/inetpeer.h>
#include <net/secure_seq.h>
* At the moment of writing this notes identifier of IP packets is generated
* to be unpredictable using this code only for packets subjected
* (actually or potentially) to defragmentation. I.e. DF packets less than
- * PMTU in size uses a constant ID and do not use this code (see
- * ip_select_ident() in include/net/ip.h).
+ * PMTU in size when local fragmentation is disabled use a constant ID and do
+ * not use this code (see ip_select_ident() in include/net/ip.h).
*
* Route cache entries hold references to our nodes.
* New cache entries get references via lookup by destination IP address in
static struct kmem_cache *peer_cachep __read_mostly;
+static LIST_HEAD(gc_list);
+static const int gc_delay = 60 * HZ;
+static struct delayed_work gc_work;
+static DEFINE_SPINLOCK(gc_lock);
+
#define node_height(x) x->avl_height
#define peer_avl_empty ((struct inet_peer *)&peer_fake_node)
int inet_peer_minttl __read_mostly = 120 * HZ; /* TTL under high load: 120 sec */
int inet_peer_maxttl __read_mostly = 10 * 60 * HZ; /* usual time to live: 10 min */
+static void inetpeer_gc_worker(struct work_struct *work)
+{
+ struct inet_peer *p, *n;
+ LIST_HEAD(list);
+
+ spin_lock_bh(&gc_lock);
+ list_replace_init(&gc_list, &list);
+ spin_unlock_bh(&gc_lock);
+
+ if (list_empty(&list))
+ return;
+
+ list_for_each_entry_safe(p, n, &list, gc_list) {
+
+ if(need_resched())
+ cond_resched();
+
+ if (p->avl_left != peer_avl_empty) {
+ list_add_tail(&p->avl_left->gc_list, &list);
+ p->avl_left = peer_avl_empty;
+ }
+
+ if (p->avl_right != peer_avl_empty) {
+ list_add_tail(&p->avl_right->gc_list, &list);
+ p->avl_right = peer_avl_empty;
+ }
+
+ n = list_entry(p->gc_list.next, struct inet_peer, gc_list);
+
+ if (!atomic_read(&p->refcnt)) {
+ list_del(&p->gc_list);
+ kmem_cache_free(peer_cachep, p);
+ }
+ }
+
+ if (list_empty(&list))
+ return;
+
+ spin_lock_bh(&gc_lock);
+ list_splice(&list, &gc_list);
+ spin_unlock_bh(&gc_lock);
+
+ schedule_delayed_work(&gc_work, gc_delay);
+}
/* Called from ip_output.c:ip_init */
void __init inet_initpeers(void)
0, SLAB_HWCACHE_ALIGN | SLAB_PANIC,
NULL);
+ INIT_DELAYED_WORK_DEFERRABLE(&gc_work, inetpeer_gc_worker);
}
static int addr_compare(const struct inetpeer_addr *a,
p->pmtu_expires = 0;
p->pmtu_orig = 0;
memset(&p->redirect_learned, 0, sizeof(p->redirect_learned));
-
+ INIT_LIST_HEAD(&p->gc_list);
/* Link the node. */
link_to_pool(p, base);
return rc;
}
EXPORT_SYMBOL(inet_peer_xrlim_allow);
+
+static void inetpeer_inval_rcu(struct rcu_head *head)
+{
+ struct inet_peer *p = container_of(head, struct inet_peer, gc_rcu);
+
+ spin_lock_bh(&gc_lock);
+ list_add_tail(&p->gc_list, &gc_list);
+ spin_unlock_bh(&gc_lock);
+
+ schedule_delayed_work(&gc_work, gc_delay);
+}
+
+void inetpeer_invalidate_tree(int family)
+{
+ struct inet_peer *old, *new, *prev;
+ struct inet_peer_base *base = family_to_base(family);
+
+ write_seqlock_bh(&base->lock);
+
+ old = base->root;
+ if (old == peer_avl_empty_rcu)
+ goto out;
+
+ new = peer_avl_empty_rcu;
+
+ prev = cmpxchg(&base->root, old, new);
+ if (prev == old) {
+ base->total = 0;
+ call_rcu(&prev->gc_rcu, inetpeer_inval_rcu);
+ }
+
+out:
+ write_sequnlock_bh(&base->lock);
+}
+EXPORT_SYMBOL(inetpeer_invalidate_tree);
tiph = &tunnel->parms.iph;
}
+ memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
if ((dst = tiph->daddr) == 0) {
/* NBMA tunnel */
skb_reset_transport_header(skb);
skb_push(skb, gre_hlen);
skb_reset_network_header(skb);
- memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED |
IPSKB_REROUTED);
skb_dst_drop(skb);
iph->daddr = (opt && opt->opt.srr ? opt->opt.faddr : daddr);
iph->saddr = saddr;
iph->protocol = sk->sk_protocol;
- ip_select_ident(iph, &rt->dst, sk);
+ ip_select_ident(skb, &rt->dst, sk);
if (opt && opt->opt.optlen) {
iph->ihl += opt->opt.optlen>>2;
ip_options_build(skb, &inet_opt->opt, inet->inet_daddr, rt, 0);
}
- ip_select_ident_more(iph, &rt->dst, sk,
+ ip_select_ident_more(skb, &rt->dst, sk,
(skb_shinfo(skb)->gso_segs ?: 1) - 1);
skb->priority = sk->sk_priority;
iph->ihl = 5;
iph->tos = inet->tos;
iph->frag_off = df;
- ip_select_ident(iph, &rt->dst, sk);
+ ip_select_ident(skb, &rt->dst, sk);
iph->ttl = ttl;
iph->protocol = sk->sk_protocol;
iph->saddr = fl4->saddr;
if (tos & 1)
tos = old_iph->tos;
+ memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
if (!dst) {
/* NBMA tunnel */
if ((rt = skb_rtable(skb)) == NULL) {
skb->transport_header = skb->network_header;
skb_push(skb, sizeof(struct iphdr));
skb_reset_network_header(skb);
- memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED |
IPSKB_REROUTED);
skb_dst_drop(skb);
iph->protocol = IPPROTO_IPIP;
iph->ihl = 5;
iph->tot_len = htons(skb->len);
- ip_select_ident(iph, skb_dst(skb), NULL);
+ ip_select_ident(skb, skb_dst(skb), NULL);
ip_send_check(iph);
memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
iph->check = 0;
iph->tot_len = htons(length);
if (!iph->id)
- ip_select_ident(iph, &rt->dst, NULL);
+ ip_select_ident(skb, &rt->dst, NULL);
iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl);
}
get_random_bytes(&shuffle, sizeof(shuffle));
atomic_add(shuffle + 1U, &net->ipv4.rt_genid);
redirect_genid++;
+ inetpeer_invalidate_tree(AF_INET);
}
/*
static int tcp_adv_win_scale_max = 31;
static int ip_ttl_min = 1;
static int ip_ttl_max = 255;
+static int tcp_syn_retries_min = 1;
+static int tcp_syn_retries_max = MAX_TCP_SYNCNT;
static int ip_ping_group_range_min[] = { 0, 0 };
static int ip_ping_group_range_max[] = { GID_T_MAX, GID_T_MAX };
.data = &sysctl_tcp_syn_retries,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = proc_dointvec
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &tcp_syn_retries_min,
+ .extra2 = &tcp_syn_retries_max
},
{
.procname = "tcp_synack_retries",
for (i = 0; i < shi->nr_frags; ++i) {
const struct skb_frag_struct *f = &shi->frags[i];
- struct page *page = skb_frag_page(f);
- sg_set_page(&sg, page, skb_frag_size(f), f->page_offset);
+ unsigned int offset = f->page_offset;
+ struct page *page = skb_frag_page(f) + (offset >> PAGE_SHIFT);
+
+ sg_set_page(&sg, page, skb_frag_size(f),
+ offset_in_page(offset));
if (crypto_hash_update(desc, &sg, skb_frag_size(f)))
return 1;
}
*/
static inline void bictcp_update(struct bictcp *ca, u32 cwnd)
{
- u64 offs;
- u32 delta, t, bic_target, max_cnt;
+ u32 delta, bic_target, max_cnt;
+ u64 offs, t;
ca->ack_cnt++; /* count the number of ACKs */
* if the cwnd < 1 million packets !!!
*/
+ t = (s32)(tcp_time_stamp - ca->epoch_start);
+ t += msecs_to_jiffies(ca->delay_min >> 3);
/* change the unit from HZ to bictcp_HZ */
- t = ((tcp_time_stamp + msecs_to_jiffies(ca->delay_min>>3)
- - ca->epoch_start) << BICTCP_HZ) / HZ;
+ t <<= BICTCP_HZ;
+ do_div(t, HZ);
if (t < ca->bic_K) /* t - K */
offs = ca->bic_K - t;
return;
/* Discard delay samples right after fast recovery */
- if ((s32)(tcp_time_stamp - ca->epoch_start) < HZ)
+ if (ca->epoch_start && (s32)(tcp_time_stamp - ca->epoch_start) < HZ)
return;
delay = (rtt_us << 3) / USEC_PER_MSEC;
&md5);
tcp_header_size = tcp_options_size + sizeof(struct tcphdr);
- if (tcp_packets_in_flight(tp) == 0) {
+ if (tcp_packets_in_flight(tp) == 0)
tcp_ca_event(sk, CA_EVENT_TX_START);
- skb->ooo_okay = 1;
- } else
- skb->ooo_okay = 0;
+
+ /* if no packet is in qdisc/device queue, then allow XPS to select
+ * another queue.
+ */
+ skb->ooo_okay = sk_wmem_alloc_get(sk) == 0;
skb_push(skb, tcp_header_size);
skb_reset_transport_header(skb);
/*
* Push out all pending data as one UDP datagram. Socket is locked.
*/
-static int udp_push_pending_frames(struct sock *sk)
+int udp_push_pending_frames(struct sock *sk)
{
struct udp_sock *up = udp_sk(sk);
struct inet_sock *inet = inet_sk(sk);
up->pending = 0;
return err;
}
+EXPORT_SYMBOL(udp_push_pending_frames);
int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
size_t len)
top_iph->frag_off = (flags & XFRM_STATE_NOPMTUDISC) ?
0 : (XFRM_MODE_SKB_CB(skb)->frag_off & htons(IP_DF));
- ip_select_ident(top_iph, dst->child, NULL);
+ ip_select_ident(skb, dst->child, NULL);
top_iph->ttl = ip4_dst_hoplimit(dst->child);
if (ifp->flags & IFA_F_OPTIMISTIC)
addr_flags |= IFA_F_OPTIMISTIC;
- ift = !max_addresses ||
- ipv6_count_addresses(idev) < max_addresses ?
- ipv6_add_addr(idev, &addr, tmp_plen,
- ipv6_addr_type(&addr)&IPV6_ADDR_SCOPE_MASK,
- addr_flags) : NULL;
- if (!ift || IS_ERR(ift)) {
+ ift = ipv6_add_addr(idev, &addr, tmp_plen,
+ ipv6_addr_type(&addr)&IPV6_ADDR_SCOPE_MASK,
+ addr_flags);
+ if (IS_ERR(ift)) {
in6_ifa_put(ifp);
in6_dev_put(idev);
printk(KERN_INFO
}
EXPORT_SYMBOL(ipv6_dev_get_saddr);
+int __ipv6_get_lladdr(struct inet6_dev *idev, struct in6_addr *addr,
+ unsigned char banned_flags)
+{
+ struct inet6_ifaddr *ifp;
+ int err = -EADDRNOTAVAIL;
+
+ list_for_each_entry(ifp, &idev->addr_list, if_list) {
+ if (ifp->scope == IFA_LINK &&
+ !(ifp->flags & banned_flags)) {
+ ipv6_addr_copy(addr, &ifp->addr);
+ err = 0;
+ break;
+ }
+ }
+ return err;
+}
+
int ipv6_get_lladdr(struct net_device *dev, struct in6_addr *addr,
unsigned char banned_flags)
{
rcu_read_lock();
idev = __in6_dev_get(dev);
if (idev) {
- struct inet6_ifaddr *ifp;
-
read_lock_bh(&idev->lock);
- list_for_each_entry(ifp, &idev->addr_list, if_list) {
- if (ifp->scope == IFA_LINK &&
- !(ifp->flags & banned_flags)) {
- ipv6_addr_copy(addr, &ifp->addr);
- err = 0;
- break;
- }
- }
+ err = __ipv6_get_lladdr(idev, addr, banned_flags);
read_unlock_bh(&idev->lock);
}
rcu_read_unlock();
if (sp_ifa->flags & (IFA_F_DADFAILED | IFA_F_TENTATIVE))
continue;
+ if (sp_ifa->rt)
+ continue;
+
sp_rt = addrconf_dst_alloc(idev, &sp_ifa->addr, 0);
/* Failure cases are ignored */
- if (!IS_ERR(sp_rt))
+ if (!IS_ERR(sp_rt)) {
+ sp_ifa->rt = sp_rt;
ip6_ins_rt(sp_rt);
+ }
}
read_unlock_bh(&idev->lock);
}
.err = ECONNREFUSED,
.fatal = 1,
},
+ { /* POLICY_FAIL */
+ .err = EACCES,
+ .fatal = 1,
+ },
+ { /* REJECT_ROUTE */
+ .err = EACCES,
+ .fatal = 1,
+ },
};
int icmpv6_err_convert(u8 type, u8 code, int *err)
switch (type) {
case ICMPV6_DEST_UNREACH:
fatal = 1;
- if (code <= ICMPV6_PORT_UNREACH) {
+ if (code < ARRAY_SIZE(tab_unreach)) {
*err = tab_unreach[code].err;
fatal = tab_unreach[code].fatal;
}
if (ipv6_prefix_equal(&key->addr, args->addr, key->plen)) {
#ifdef CONFIG_IPV6_SUBTREES
- if (fn->subtree)
- fn = fib6_lookup_1(fn->subtree, args + 1);
+ if (fn->subtree) {
+ struct fib6_node *sfn;
+ sfn = fib6_lookup_1(fn->subtree,
+ args + 1);
+ if (!sfn)
+ goto backtrack;
+ fn = sfn;
+ }
#endif
- if (!fn || fn->fn_flags & RTN_RTINFO)
+ if (fn->fn_flags & RTN_RTINFO)
return fn;
}
}
-
+#ifdef CONFIG_IPV6_SUBTREES
+backtrack:
+#endif
if (fn->fn_flags & RTN_ROOT)
break;
const struct flowi6 *fl6)
{
struct ipv6_pinfo *np = inet6_sk(sk);
- struct rt6_info *rt = (struct rt6_info *)dst;
+ struct rt6_info *rt;
if (!dst)
goto out;
+ if (dst->ops->family != AF_INET6) {
+ dst_release(dst);
+ return NULL;
+ }
+
+ rt = (struct rt6_info *)dst;
/* Yes, checking route validity in not connected
* case is not very simple. Take into account,
* that we do not support routing by source, TOS,
* udp datagram
*/
if ((skb = skb_peek_tail(&sk->sk_write_queue)) == NULL) {
+ struct frag_hdr fhdr;
+
skb = sock_alloc_send_skb(sk,
hh_len + fragheaderlen + transhdrlen + 20,
(flags & MSG_DONTWAIT), &err);
skb->ip_summed = CHECKSUM_PARTIAL;
skb->csum = 0;
- }
-
- err = skb_append_datato_frags(sk,skb, getfrag, from,
- (length - transhdrlen));
- if (!err) {
- struct frag_hdr fhdr;
/* Specify the length of each IPv6 datagram fragment.
* It has to be a multiple of 8.
ipv6_select_ident(&fhdr, rt);
skb_shinfo(skb)->ip6_frag_id = fhdr.identification;
__skb_queue_tail(&sk->sk_write_queue, skb);
-
- return 0;
}
- /* There is not enough support do UPD LSO,
- * so follow normal path
- */
- kfree_skb(skb);
- return err;
+ return skb_append_datato_frags(sk, skb, getfrag, from,
+ (length - transhdrlen));
}
static inline struct ipv6_opt_hdr *ip6_opt_dup(struct ipv6_opt_hdr *src,
return src ? kmemdup(src, (src->hdrlen + 1) * 8, gfp) : NULL;
}
-static void ip6_append_data_mtu(int *mtu,
+static void ip6_append_data_mtu(unsigned int *mtu,
int *maxfraglen,
unsigned int fragheaderlen,
struct sk_buff *skb,
- struct rt6_info *rt)
+ struct rt6_info *rt,
+ bool pmtuprobe)
{
if (!(rt->dst.flags & DST_XFRM_TUNNEL)) {
if (skb == NULL) {
* this fragment is not first, the headers
* space is regarded as data space.
*/
- *mtu = dst_mtu(rt->dst.path);
+ *mtu = min(*mtu, pmtuprobe ?
+ rt->dst.dev->mtu :
+ dst_mtu(rt->dst.path));
}
*maxfraglen = ((*mtu - fragheaderlen) & ~7)
+ fragheaderlen - sizeof(struct frag_hdr);
struct ipv6_pinfo *np = inet6_sk(sk);
struct inet_cork *cork;
struct sk_buff *skb, *skb_prev = NULL;
- unsigned int maxfraglen, fragheaderlen;
+ unsigned int maxfraglen, fragheaderlen, mtu;
int exthdrlen;
int dst_exthdrlen;
int hh_len;
- int mtu;
int copy;
int err;
int offset = 0;
if (WARN_ON(np->cork.opt))
return -EINVAL;
- np->cork.opt = kmalloc(opt->tot_len, sk->sk_allocation);
+ np->cork.opt = kzalloc(opt->tot_len, sk->sk_allocation);
if (unlikely(np->cork.opt == NULL))
return -ENOBUFS;
* --yoshfuji
*/
- cork->length += length;
- if (length > mtu) {
- int proto = sk->sk_protocol;
- if (dontfrag && (proto == IPPROTO_UDP || proto == IPPROTO_RAW)){
- ipv6_local_rxpmtu(sk, fl6, mtu-exthdrlen);
- return -EMSGSIZE;
- }
-
- if (proto == IPPROTO_UDP &&
- (rt->dst.dev->features & NETIF_F_UFO)) {
+ if ((length > mtu) && dontfrag && (sk->sk_protocol == IPPROTO_UDP ||
+ sk->sk_protocol == IPPROTO_RAW)) {
+ ipv6_local_rxpmtu(sk, fl6, mtu-exthdrlen);
+ return -EMSGSIZE;
+ }
- err = ip6_ufo_append_data(sk, getfrag, from, length,
- hh_len, fragheaderlen,
- transhdrlen, mtu, flags, rt);
- if (err)
- goto error;
- return 0;
- }
+ skb = skb_peek_tail(&sk->sk_write_queue);
+ cork->length += length;
+ if (((length > mtu) ||
+ (skb && skb_is_gso(skb))) &&
+ (sk->sk_protocol == IPPROTO_UDP) &&
+ (rt->dst.dev->features & NETIF_F_UFO)) {
+ err = ip6_ufo_append_data(sk, getfrag, from, length,
+ hh_len, fragheaderlen,
+ transhdrlen, mtu, flags, rt);
+ if (err)
+ goto error;
+ return 0;
}
- if ((skb = skb_peek_tail(&sk->sk_write_queue)) == NULL)
+ if (!skb)
goto alloc_new_skb;
while (length > 0) {
/* update mtu and maxfraglen if necessary */
if (skb == NULL || skb_prev == NULL)
ip6_append_data_mtu(&mtu, &maxfraglen,
- fragheaderlen, skb, rt);
+ fragheaderlen, skb, rt,
+ np->pmtudisc ==
+ IPV6_PMTUDISC_PROBE);
skb_prev = skb;
{
struct mr6_table *mrt, *next;
+ rtnl_lock();
list_for_each_entry_safe(mrt, next, &net->ipv6.mr6_tables, list) {
list_del(&mrt->list);
ip6mr_free_table(mrt);
}
+ rtnl_unlock();
fib_rules_unregister(net->ipv6.mr6_rules_ops);
}
#else
static void __net_exit ip6mr_rules_exit(struct net *net)
{
+ rtnl_lock();
ip6mr_free_table(net->ipv6.mrt6);
+ net->ipv6.mrt6 = NULL;
+ rtnl_unlock();
}
#endif
return scount;
}
-static struct sk_buff *mld_newpack(struct net_device *dev, int size)
+static struct sk_buff *mld_newpack(struct inet6_dev *idev, int size)
{
+ struct net_device *dev = idev->dev;
struct net *net = dev_net(dev);
struct sock *sk = net->ipv6.igmp_sk;
struct sk_buff *skb;
skb_reserve(skb, LL_RESERVED_SPACE(dev));
- if (ipv6_get_lladdr(dev, &addr_buf, IFA_F_TENTATIVE)) {
+ if (__ipv6_get_lladdr(idev, &addr_buf, IFA_F_TENTATIVE)) {
/* <draft-ietf-magma-mld-source-05.txt>:
* use unspecified address as the source address
* when a valid link-local address is not available.
struct mld2_grec *pgr;
if (!skb)
- skb = mld_newpack(dev, dev->mtu);
+ skb = mld_newpack(pmc->idev, dev->mtu);
if (!skb)
return NULL;
pgr = (struct mld2_grec *)skb_put(skb, sizeof(struct mld2_grec));
static struct sk_buff *add_grec(struct sk_buff *skb, struct ifmcaddr6 *pmc,
int type, int gdeleted, int sdeleted)
{
- struct net_device *dev = pmc->idev->dev;
+ struct inet6_dev *idev = pmc->idev;
+ struct net_device *dev = idev->dev;
struct mld2_report *pmr;
struct mld2_grec *pgr = NULL;
struct ip6_sf_list *psf, *psf_next, *psf_prev, **psf_list;
AVAILABLE(skb) < grec_size(pmc, type, gdeleted, sdeleted)) {
if (skb)
mld_sendpack(skb);
- skb = mld_newpack(dev, dev->mtu);
+ skb = mld_newpack(idev, dev->mtu);
}
}
first = 1;
pgr->grec_nsrcs = htons(scount);
if (skb)
mld_sendpack(skb);
- skb = mld_newpack(dev, dev->mtu);
+ skb = mld_newpack(idev, dev->mtu);
first = 1;
scount = 0;
}
struct sk_buff *skb = NULL;
int type;
+ read_lock_bh(&idev->lock);
if (!pmc) {
- read_lock_bh(&idev->lock);
for (pmc=idev->mc_list; pmc; pmc=pmc->next) {
if (pmc->mca_flags & MAF_NOREPORT)
continue;
skb = add_grec(skb, pmc, type, 0, 0);
spin_unlock_bh(&pmc->mca_lock);
}
- read_unlock_bh(&idev->lock);
} else {
spin_lock_bh(&pmc->mca_lock);
if (pmc->mca_sfcount[MCAST_EXCLUDE])
skb = add_grec(skb, pmc, type, 0, 0);
spin_unlock_bh(&pmc->mca_lock);
}
+ read_unlock_bh(&idev->lock);
if (skb)
mld_sendpack(skb);
}
idev->mc_gq_running = 0;
mld_send_report(idev, NULL);
- __in6_dev_put(idev);
+ in6_dev_put(idev);
}
static void mld_ifc_timer_expire(unsigned long data)
if (idev->mc_ifc_count)
mld_ifc_start_timer(idev, idev->mc_maxdelay);
}
- __in6_dev_put(idev);
+ in6_dev_put(idev);
}
static void mld_ifc_event(struct inet6_dev *idev)
struct sk_buff *skb;
struct icmp6hdr *hdr;
int len;
- int err;
u8 *opt;
if (!dev->addr_len)
if (llinfo)
len += ndisc_opt_addr_space(dev);
- skb = sock_alloc_send_skb(sk,
- (MAX_HEADER + sizeof(struct ipv6hdr) +
- len + LL_ALLOCATED_SPACE(dev)),
- 1, &err);
+ skb = alloc_skb((MAX_HEADER + sizeof(struct ipv6hdr) +
+ len + LL_ALLOCATED_SPACE(dev)), GFP_ATOMIC);
if (!skb) {
ND_PRINTK0(KERN_ERR
- "ICMPv6 ND: %s() failed to allocate an skb, err=%d.\n",
- __func__, err);
+ "ICMPv6 ND: %s() failed to allocate an skb.\n",
+ __func__);
return NULL;
}
csum_partial(hdr,
len, 0));
+ /* Manually assign socket ownership as we avoid calling
+ * sock_alloc_send_pskb() to bypass wmem buffer limits
+ */
+ skb_set_owner_w(skb, sk);
+
return skb;
}
head->tstamp = fq->q.stamp;
ipv6_hdr(head)->payload_len = htons(payload_len);
IP6CB(head)->nhoff = nhoff;
+ IP6CB(head)->flags |= IP6SKB_FRAGMENTED;
/* Yes, and fold redundant checksum back. 8) */
if (head->ip_summed == CHECKSUM_COMPLETE)
const struct ipv6hdr *hdr = ipv6_hdr(skb);
struct net *net = dev_net(skb_dst(skb)->dev);
+ if (IP6CB(skb)->flags & IP6SKB_FRAGMENTED)
+ goto fail_hdr;
+
IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_REASMREQDS);
/* Jumbo payload inhibits frag. header */
ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_REASMOKS);
IP6CB(skb)->nhoff = (u8 *)fhdr - skb_network_header(skb);
+ IP6CB(skb)->flags |= IP6SKB_FRAGMENTED;
return 1;
}
}
#endif
+static void tcp_v6_clear_sk(struct sock *sk, int size)
+{
+ struct inet_sock *inet = inet_sk(sk);
+
+ /* we do not want to clear pinet6 field, because of RCU lookups */
+ sk_prot_clear_nulls(sk, offsetof(struct inet_sock, pinet6));
+
+ size -= offsetof(struct inet_sock, pinet6) + sizeof(inet->pinet6);
+ memset(&inet->pinet6 + 1, 0, size);
+}
+
struct proto tcpv6_prot = {
.name = "TCPv6",
.owner = THIS_MODULE,
.compat_setsockopt = compat_tcp_setsockopt,
.compat_getsockopt = compat_tcp_getsockopt,
#endif
+ .clear_sk = tcp_v6_clear_sk,
};
static const struct inet6_protocol tcpv6_protocol = {
struct udphdr *uh;
struct udp_sock *up = udp_sk(sk);
struct inet_sock *inet = inet_sk(sk);
- struct flowi6 *fl6 = &inet->cork.fl.u.ip6;
+ struct flowi6 *fl6;
int err = 0;
int is_udplite = IS_UDPLITE(sk);
__wsum csum = 0;
+ if (up->pending == AF_INET)
+ return udp_push_pending_frames(sk);
+
+ fl6 = &inet->cork.fl.u.ip6;
+
/* Grab the skbuff where UDP header space exists. */
if ((skb = skb_peek(&sk->sk_write_queue)) == NULL)
goto out;
}
#endif /* CONFIG_PROC_FS */
+void udp_v6_clear_sk(struct sock *sk, int size)
+{
+ struct inet_sock *inet = inet_sk(sk);
+
+ /* we do not want to clear pinet6 field, because of RCU lookups */
+ sk_prot_clear_portaddr_nulls(sk, offsetof(struct inet_sock, pinet6));
+
+ size -= offsetof(struct inet_sock, pinet6) + sizeof(inet->pinet6);
+ memset(&inet->pinet6 + 1, 0, size);
+}
+
/* ------------------------------------------------------------------------ */
struct proto udpv6_prot = {
.compat_setsockopt = compat_udpv6_setsockopt,
.compat_getsockopt = compat_udpv6_getsockopt,
#endif
- .clear_sk = sk_prot_clear_portaddr_nulls,
+ .clear_sk = udp_v6_clear_sk,
};
static struct inet_protosw udpv6_protosw = {
extern int udpv6_queue_rcv_skb(struct sock * sk, struct sk_buff *skb);
extern void udpv6_destroy_sock(struct sock *sk);
+extern void udp_v6_clear_sk(struct sock *sk, int size);
+
#ifdef CONFIG_PROC_FS
extern int udp6_seq_show(struct seq_file *seq, void *v);
#endif
.compat_setsockopt = compat_udpv6_setsockopt,
.compat_getsockopt = compat_udpv6_getsockopt,
#endif
- .clear_sk = sk_prot_clear_portaddr_nulls,
+ .clear_sk = udp_v6_clear_sk,
};
static struct inet_protosw udplite6_protosw = {
dev_hold(dev);
xdst->u.rt6.rt6i_idev = in6_dev_get(dev);
- if (!xdst->u.rt6.rt6i_idev)
+ if (!xdst->u.rt6.rt6i_idev) {
+ dev_put(dev);
return -ENODEV;
+ }
xdst->u.rt6.rt6i_peer = rt->rt6i_peer;
if (rt->rt6i_peer)
hdr->sadb_msg_version = PF_KEY_V2;
hdr->sadb_msg_errno = (uint8_t) 0;
hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t));
+ hdr->sadb_msg_reserved = 0;
pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ALL, NULL, c->net);
pol->sadb_x_policy_type = IPSEC_POLICY_NONE;
}
pol->sadb_x_policy_dir = dir+1;
+ pol->sadb_x_policy_reserved = 0;
pol->sadb_x_policy_id = xp->index;
pol->sadb_x_policy_priority = xp->priority;
hdr->sadb_msg_pid = c->pid;
hdr->sadb_msg_version = PF_KEY_V2;
hdr->sadb_msg_errno = (uint8_t) 0;
+ hdr->sadb_msg_satype = SADB_SATYPE_UNSPEC;
hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t));
+ hdr->sadb_msg_reserved = 0;
pfkey_broadcast(skb_out, GFP_ATOMIC, BROADCAST_ALL, NULL, c->net);
return 0;
pol->sadb_x_policy_exttype = SADB_X_EXT_POLICY;
pol->sadb_x_policy_type = IPSEC_POLICY_IPSEC;
pol->sadb_x_policy_dir = dir+1;
+ pol->sadb_x_policy_reserved = 0;
pol->sadb_x_policy_id = xp->index;
+ pol->sadb_x_policy_priority = xp->priority;
/* Set sadb_comb's. */
if (x->id.proto == IPPROTO_AH)
pol->sadb_x_policy_exttype = SADB_X_EXT_POLICY;
pol->sadb_x_policy_type = IPSEC_POLICY_IPSEC;
pol->sadb_x_policy_dir = dir + 1;
+ pol->sadb_x_policy_reserved = 0;
pol->sadb_x_policy_id = 0;
pol->sadb_x_policy_priority = 0;
skb_put(skb, 2);
/* Copy user data into skb */
- error = memcpy_fromiovec(skb->data, m->msg_iov, total_len);
+ error = memcpy_fromiovec(skb_put(skb, total_len), m->msg_iov,
+ total_len);
if (error < 0) {
kfree_skb(skb);
goto error_put_sess_tun;
}
- skb_put(skb, total_len);
l2tp_xmit_skb(session, skb, session->hdr_len);
sock_put(ps->tunnel_sock);
sock_put(sk);
- return error;
+ return total_len;
error_put_sess_tun:
sock_put(ps->tunnel_sock);
static const struct pppox_proto pppol2tp_proto = {
.create = pppol2tp_create,
- .ioctl = pppol2tp_ioctl
+ .ioctl = pppol2tp_ioctl,
+ .owner = THIS_MODULE,
};
#ifdef CONFIG_L2TP_V3
ASSERT_RTNL();
+ /*
+ * Close all AP_VLAN interfaces first, as otherwise they
+ * might be closed while the AP interface they belong to
+ * is closed, causing unregister_netdevice_many() to crash.
+ */
+ list_for_each_entry(sdata, &local->interfaces, list)
+ if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+ dev_close(sdata->dev);
+
mutex_lock(&local->iflist_mtx);
list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {
list_del(&sdata->list);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);
- /* Drop duplicate 802.11 retransmissions (IEEE 802.11 Chap. 9.2.9) */
- if (rx->sta && !is_multicast_ether_addr(hdr->addr1)) {
+ /*
+ * Drop duplicate 802.11 retransmissions
+ * (IEEE 802.11-2012: 9.3.2.10 "Duplicate detection and recovery")
+ */
+ if (rx->skb->len >= 24 && rx->sta &&
+ !ieee80211_is_ctl(hdr->frame_control) &&
+ !ieee80211_is_qos_nullfunc(hdr->frame_control) &&
+ !is_multicast_ether_addr(hdr->addr1)) {
if (unlikely(ieee80211_has_retry(hdr->frame_control) &&
rx->sta->last_seq_ctrl[rx->seqno_idx] ==
hdr->seq_ctrl)) {
if (ret > 0)
break;
if (!ret)
- return 0;
+ return -EINVAL;
dataoff += *matchoff;
}
- /* Empty callid is useless */
- if (!*matchlen)
- return -EINVAL;
-
/* Too large is useless */
if (*matchlen > IP_VS_PEDATA_MAXLEN)
return -EINVAL;
iph->daddr = cp->daddr.ip;
iph->saddr = saddr;
iph->ttl = old_iph->ttl;
- ip_select_ident(iph, &rt->dst, NULL);
+ ip_select_ident(skb, &rt->dst, NULL);
/* Another hack: avoid icmp_send in ip_fragment */
skb->local_df = 1;
}
}
+/**
+ * netlbl_domhsh_validate - Validate a new domain mapping entry
+ * @entry: the entry to validate
+ *
+ * This function validates the new domain mapping entry to ensure that it is
+ * a valid entry. Returns zero on success, negative values on failure.
+ *
+ */
+static int netlbl_domhsh_validate(const struct netlbl_dom_map *entry)
+{
+ struct netlbl_af4list *iter4;
+ struct netlbl_domaddr4_map *map4;
+#if IS_ENABLED(CONFIG_IPV6)
+ struct netlbl_af6list *iter6;
+ struct netlbl_domaddr6_map *map6;
+#endif /* IPv6 */
+
+ if (entry == NULL)
+ return -EINVAL;
+
+ switch (entry->type) {
+ case NETLBL_NLTYPE_UNLABELED:
+ if (entry->type_def.cipsov4 != NULL ||
+ entry->type_def.addrsel != NULL)
+ return -EINVAL;
+ break;
+ case NETLBL_NLTYPE_CIPSOV4:
+ if (entry->type_def.cipsov4 == NULL)
+ return -EINVAL;
+ break;
+ case NETLBL_NLTYPE_ADDRSELECT:
+ netlbl_af4list_foreach(iter4, &entry->type_def.addrsel->list4) {
+ map4 = netlbl_domhsh_addr4_entry(iter4);
+ switch (map4->type) {
+ case NETLBL_NLTYPE_UNLABELED:
+ if (map4->type_def.cipsov4 != NULL)
+ return -EINVAL;
+ break;
+ case NETLBL_NLTYPE_CIPSOV4:
+ if (map4->type_def.cipsov4 == NULL)
+ return -EINVAL;
+ break;
+ default:
+ return -EINVAL;
+ }
+ }
+#if IS_ENABLED(CONFIG_IPV6)
+ netlbl_af6list_foreach(iter6, &entry->type_def.addrsel->list6) {
+ map6 = netlbl_domhsh_addr6_entry(iter6);
+ switch (map6->type) {
+ case NETLBL_NLTYPE_UNLABELED:
+ break;
+ default:
+ return -EINVAL;
+ }
+ }
+#endif /* IPv6 */
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
/*
* Domain Hash Table Functions
*/
struct netlbl_af6list *tmp6;
#endif /* IPv6 */
+ ret_val = netlbl_domhsh_validate(entry);
+ if (ret_val != 0)
+ return ret_val;
+
/* XXX - we can remove this RCU read lock as the spinlock protects the
* entire function, but before we do we need to fixup the
* netlbl_af[4,6]list RCU functions to do "the right thing" with
smp_rmb();
- if (likely(TP_STATUS_KERNEL == BLOCK_STATUS(pbd1))) {
-
- /* We could have just memset this but we will lose the
- * flexibility of making the priv area sticky
- */
- BLOCK_SNUM(pbd1) = pkc1->knxt_seq_num++;
- BLOCK_NUM_PKTS(pbd1) = 0;
- BLOCK_LEN(pbd1) = BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
- getnstimeofday(&ts);
- h1->ts_first_pkt.ts_sec = ts.tv_sec;
- h1->ts_first_pkt.ts_nsec = ts.tv_nsec;
- pkc1->pkblk_start = (char *)pbd1;
- pkc1->nxt_offset = (char *)(pkc1->pkblk_start +
- BLK_PLUS_PRIV(pkc1->blk_sizeof_priv));
- BLOCK_O2FP(pbd1) = (__u32)BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
- BLOCK_O2PRIV(pbd1) = BLK_HDR_LEN;
- pbd1->version = pkc1->version;
- pkc1->prev = pkc1->nxt_offset;
- pkc1->pkblk_end = pkc1->pkblk_start + pkc1->kblk_size;
- prb_thaw_queue(pkc1);
- _prb_refresh_rx_retire_blk_timer(pkc1);
-
- smp_wmb();
-
- return;
- }
+ /* We could have just memset this but we will lose the
+ * flexibility of making the priv area sticky
+ */
+ BLOCK_SNUM(pbd1) = pkc1->knxt_seq_num++;
+ BLOCK_NUM_PKTS(pbd1) = 0;
+ BLOCK_LEN(pbd1) = BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
+ getnstimeofday(&ts);
+ h1->ts_first_pkt.ts_sec = ts.tv_sec;
+ h1->ts_first_pkt.ts_nsec = ts.tv_nsec;
+ pkc1->pkblk_start = (char *)pbd1;
+ pkc1->nxt_offset = (char *)(pkc1->pkblk_start +
+ BLK_PLUS_PRIV(pkc1->blk_sizeof_priv));
+ BLOCK_O2FP(pbd1) = (__u32)BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
+ BLOCK_O2PRIV(pbd1) = BLK_HDR_LEN;
+ pbd1->version = pkc1->version;
+ pkc1->prev = pkc1->nxt_offset;
+ pkc1->pkblk_end = pkc1->pkblk_start + pkc1->kblk_size;
+ prb_thaw_queue(pkc1);
+ _prb_refresh_rx_retire_blk_timer(pkc1);
- WARN(1, "ERROR block:%p is NOT FREE status:%d kactive_blk_num:%d\n",
- pbd1, BLOCK_STATUS(pbd1), pkc1->kactive_blk_num);
- dump_stack();
- BUG();
+ smp_wmb();
}
/*
prb_close_block(pkc, pbd, po, status);
return;
}
-
- WARN(1, "ERROR-pbd[%d]:%p\n", pkc->kactive_blk_num, pbd);
- dump_stack();
- BUG();
}
static int prb_curr_blk_in_use(struct tpacket_kbdq_core *pkc,
return -EOPNOTSUPP;
uaddr->sa_family = AF_PACKET;
+ memset(uaddr->sa_data, 0, sizeof(uaddr->sa_data));
rcu_read_lock();
dev = dev_get_by_index_rcu(sock_net(sk), pkt_sk(sk)->ifindex);
if (dev)
- strncpy(uaddr->sa_data, dev->name, 14);
- else
- memset(uaddr->sa_data, 0, 14);
+ strlcpy(uaddr->sa_data, dev->name, sizeof(uaddr->sa_data));
rcu_read_unlock();
*uaddr_len = sizeof(*uaddr);
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
- * Copyright: Jamal Hadi Salim (2002-4)
+ * Copyright: Jamal Hadi Salim (2002-13)
*/
#include <linux/types.h>
.walk = tcf_generic_walker
};
-MODULE_AUTHOR("Jamal Hadi Salim(2002-4)");
+static struct tc_action_ops act_xt_ops = {
+ .kind = "xt",
+ .hinfo = &ipt_hash_info,
+ .type = TCA_ACT_IPT,
+ .capab = TCA_CAP_NONE,
+ .owner = THIS_MODULE,
+ .act = tcf_ipt,
+ .dump = tcf_ipt_dump,
+ .cleanup = tcf_ipt_cleanup,
+ .lookup = tcf_hash_search,
+ .init = tcf_ipt_init,
+ .walk = tcf_generic_walker
+};
+
+MODULE_AUTHOR("Jamal Hadi Salim(2002-13)");
MODULE_DESCRIPTION("Iptables target actions");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("act_xt");
static int __init ipt_init_module(void)
{
- return tcf_register_action(&act_ipt_ops);
+ int ret1, ret2;
+ ret1 = tcf_register_action(&act_xt_ops);
+ if (ret1 < 0)
+ printk("Failed to load xt action\n");
+ ret2 = tcf_register_action(&act_ipt_ops);
+ if (ret2 < 0)
+ printk("Failed to load ipt action\n");
+
+ if (ret1 < 0 && ret2 < 0)
+ return ret1;
+ else
+ return 0;
}
static void __exit ipt_cleanup_module(void)
{
+ tcf_unregister_action(&act_xt_ops);
tcf_unregister_action(&act_ipt_ops);
}
struct sockaddr_atmpvc pvc;
int state;
+ memset(&pvc, 0, sizeof(pvc));
pvc.sap_family = AF_ATMPVC;
pvc.sap_addr.itf = flow->vcc->dev ? flow->vcc->dev->number : -1;
pvc.sap_addr.vpi = flow->vcc->vpi;
unsigned char *b = skb_tail_pointer(skb);
struct tc_cbq_wrropt opt;
+ memset(&opt, 0, sizeof(opt));
opt.flags = 0;
opt.allot = cl->allot;
opt.priority = cl->priority + 1;
unsigned int children;
struct htb_class *parent; /* parent class */
- int prio; /* these two are used only by leaves... */
+ u32 prio; /* these two are used only by leaves... */
int quantum; /* but stored for parent-to-leaf return */
union {
in6_dev_put(idev);
}
-/* Based on tcp_v6_xmit() in tcp_ipv6.c. */
static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport)
{
struct sock *sk = skb->sk;
struct ipv6_pinfo *np = inet6_sk(sk);
- struct flowi6 fl6;
-
- memset(&fl6, 0, sizeof(fl6));
-
- fl6.flowi6_proto = sk->sk_protocol;
-
- /* Fill in the dest address from the route entry passed with the skb
- * and the source address from the transport.
- */
- ipv6_addr_copy(&fl6.daddr, &transport->ipaddr.v6.sin6_addr);
- ipv6_addr_copy(&fl6.saddr, &transport->saddr.v6.sin6_addr);
-
- fl6.flowlabel = np->flow_label;
- IP6_ECN_flow_xmit(sk, fl6.flowlabel);
- if (ipv6_addr_type(&fl6.saddr) & IPV6_ADDR_LINKLOCAL)
- fl6.flowi6_oif = transport->saddr.v6.sin6_scope_id;
- else
- fl6.flowi6_oif = sk->sk_bound_dev_if;
-
- if (np->opt && np->opt->srcrt) {
- struct rt0_hdr *rt0 = (struct rt0_hdr *) np->opt->srcrt;
- ipv6_addr_copy(&fl6.daddr, rt0->addr);
- }
+ struct flowi6 *fl6 = &transport->fl.u.ip6;
SCTP_DEBUG_PRINTK("%s: skb:%p, len:%d, src:%pI6 dst:%pI6\n",
__func__, skb, skb->len,
- &fl6.saddr, &fl6.daddr);
+ &fl6->saddr, &fl6->daddr);
- SCTP_INC_STATS(SCTP_MIB_OUTSCTPPACKS);
+ IP6_ECN_flow_xmit(sk, fl6->flowlabel);
if (!(transport->param_flags & SPP_PMTUD_ENABLE))
skb->local_df = 1;
- return ip6_xmit(sk, skb, &fl6, np->opt, np->tclass);
+ SCTP_INC_STATS(SCTP_MIB_OUTSCTPPACKS);
+
+ return ip6_xmit(sk, skb, fl6, np->opt, np->tclass);
}
/* Returns the dst cache entry for the given source and destination ip
struct dst_entry *dst = NULL;
struct flowi6 *fl6 = &fl->u.ip6;
struct sctp_bind_addr *bp;
+ struct ipv6_pinfo *np = inet6_sk(sk);
struct sctp_sockaddr_entry *laddr;
union sctp_addr *baddr = NULL;
union sctp_addr *daddr = &t->ipaddr;
union sctp_addr dst_saddr;
+ struct in6_addr *final_p, final;
__u8 matchlen = 0;
__u8 bmatchlen;
sctp_scope_t scope;
SCTP_DEBUG_PRINTK("SRC=%pI6 - ", &fl6->saddr);
}
- dst = ip6_dst_lookup_flow(sk, fl6, NULL, false);
+ final_p = fl6_update_dst(fl6, np->opt, &final);
+ dst = ip6_dst_lookup_flow(sk, fl6, final_p, false);
if (!asoc || saddr)
goto out;
}
}
rcu_read_unlock();
+
if (baddr) {
ipv6_addr_copy(&fl6->saddr, &baddr->v6.sin6_addr);
fl6->fl6_sport = baddr->v6.sin6_port;
- dst = ip6_dst_lookup_flow(sk, fl6, NULL, false);
+ final_p = fl6_update_dst(fl6, np->opt, &final);
+ dst = ip6_dst_lookup_flow(sk, fl6, final_p, false);
}
out:
*/
void sctp_outq_init(struct sctp_association *asoc, struct sctp_outq *q)
{
+ memset(q, 0, sizeof(struct sctp_outq));
+
q->asoc = asoc;
INIT_LIST_HEAD(&q->out_chunk_list);
INIT_LIST_HEAD(&q->control_chunk_list);
INIT_LIST_HEAD(&q->sacked);
INIT_LIST_HEAD(&q->abandoned);
- q->fast_rtx = 0;
- q->outstanding_bytes = 0;
q->empty = 1;
- q->cork = 0;
-
- q->malloced = 0;
- q->out_qlen = 0;
}
/* Free the outqueue structure and any related pending chunks.
asoc->outqueue.outstanding_bytes;
sackh.num_gap_ack_blocks = 0;
sackh.num_dup_tsns = 0;
- chunk->subh.sack_hdr = &sackh;
sctp_add_cmd_sf(commands, SCTP_CMD_PROCESS_SACK,
- SCTP_CHUNK(chunk));
+ SCTP_SACKH(&sackh));
break;
case SCTP_CMD_DISCARD_PACKET:
goto skip_mkasconf;
}
+ if (laddr == NULL)
+ return -EINVAL;
+
/* We do not need RCU protection throughout this loop
* because this is done under a socket lock from the
* setsockopt call.
/* Release our hold on the endpoint. */
sp = sctp_sk(sk);
+ /* This could happen during socket init, thus we bail out
+ * early, since the rest of the below is not setup either.
+ */
+ if (sp->ep == NULL)
+ return;
+
if (sp->do_auto_asconf) {
sp->do_auto_asconf = 0;
list_del(&sp->auto_asconf_list);
unsigned int name_len;
};
-static int __sys_sendmsg(struct socket *sock, struct msghdr __user *msg,
- struct msghdr *msg_sys, unsigned flags,
- struct used_address *used_address)
+static int ___sys_sendmsg(struct socket *sock, struct msghdr __user *msg,
+ struct msghdr *msg_sys, unsigned flags,
+ struct used_address *used_address)
{
struct compat_msghdr __user *msg_compat =
(struct compat_msghdr __user *)msg;
* BSD sendmsg interface
*/
-SYSCALL_DEFINE3(sendmsg, int, fd, struct msghdr __user *, msg, unsigned, flags)
+long __sys_sendmsg(int fd, struct msghdr __user *msg, unsigned flags)
{
int fput_needed, err;
struct msghdr msg_sys;
- struct socket *sock = sockfd_lookup_light(fd, &err, &fput_needed);
+ struct socket *sock;
+ sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (!sock)
goto out;
- err = __sys_sendmsg(sock, msg, &msg_sys, flags, NULL);
+ err = ___sys_sendmsg(sock, msg, &msg_sys, flags, NULL);
fput_light(sock->file, fput_needed);
out:
return err;
}
+SYSCALL_DEFINE3(sendmsg, int, fd, struct msghdr __user *, msg, unsigned int, flags)
+{
+ if (flags & MSG_CMSG_COMPAT)
+ return -EINVAL;
+ return __sys_sendmsg(fd, msg, flags);
+}
+
/*
* Linux sendmmsg interface
*/
while (datagrams < vlen) {
if (MSG_CMSG_COMPAT & flags) {
- err = __sys_sendmsg(sock, (struct msghdr __user *)compat_entry,
- &msg_sys, flags, &used_address);
+ err = ___sys_sendmsg(sock, (struct msghdr __user *)compat_entry,
+ &msg_sys, flags, &used_address);
if (err < 0)
break;
err = __put_user(err, &compat_entry->msg_len);
++compat_entry;
} else {
- err = __sys_sendmsg(sock, (struct msghdr __user *)entry,
- &msg_sys, flags, &used_address);
+ err = ___sys_sendmsg(sock,
+ (struct msghdr __user *)entry,
+ &msg_sys, flags, &used_address);
if (err < 0)
break;
err = put_user(err, &entry->msg_len);
SYSCALL_DEFINE4(sendmmsg, int, fd, struct mmsghdr __user *, mmsg,
unsigned int, vlen, unsigned int, flags)
{
+ if (flags & MSG_CMSG_COMPAT)
+ return -EINVAL;
return __sys_sendmmsg(fd, mmsg, vlen, flags);
}
-static int __sys_recvmsg(struct socket *sock, struct msghdr __user *msg,
- struct msghdr *msg_sys, unsigned flags, int nosec)
+static int ___sys_recvmsg(struct socket *sock, struct msghdr __user *msg,
+ struct msghdr *msg_sys, unsigned flags, int nosec)
{
struct compat_msghdr __user *msg_compat =
(struct compat_msghdr __user *)msg;
* BSD recvmsg interface
*/
-SYSCALL_DEFINE3(recvmsg, int, fd, struct msghdr __user *, msg,
- unsigned int, flags)
+long __sys_recvmsg(int fd, struct msghdr __user *msg, unsigned flags)
{
int fput_needed, err;
struct msghdr msg_sys;
- struct socket *sock = sockfd_lookup_light(fd, &err, &fput_needed);
+ struct socket *sock;
+ sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (!sock)
goto out;
- err = __sys_recvmsg(sock, msg, &msg_sys, flags, 0);
+ err = ___sys_recvmsg(sock, msg, &msg_sys, flags, 0);
fput_light(sock->file, fput_needed);
out:
return err;
}
+SYSCALL_DEFINE3(recvmsg, int, fd, struct msghdr __user *, msg,
+ unsigned int, flags)
+{
+ if (flags & MSG_CMSG_COMPAT)
+ return -EINVAL;
+ return __sys_recvmsg(fd, msg, flags);
+}
+
/*
* Linux recvmmsg interface
*/
* No need to ask LSM for more than the first datagram.
*/
if (MSG_CMSG_COMPAT & flags) {
- err = __sys_recvmsg(sock, (struct msghdr __user *)compat_entry,
- &msg_sys, flags & ~MSG_WAITFORONE,
- datagrams);
+ err = ___sys_recvmsg(sock, (struct msghdr __user *)compat_entry,
+ &msg_sys, flags & ~MSG_WAITFORONE,
+ datagrams);
if (err < 0)
break;
err = __put_user(err, &compat_entry->msg_len);
++compat_entry;
} else {
- err = __sys_recvmsg(sock, (struct msghdr __user *)entry,
- &msg_sys, flags & ~MSG_WAITFORONE,
- datagrams);
+ err = ___sys_recvmsg(sock,
+ (struct msghdr __user *)entry,
+ &msg_sys, flags & ~MSG_WAITFORONE,
+ datagrams);
if (err < 0)
break;
err = put_user(err, &entry->msg_len);
int datagrams;
struct timespec timeout_sys;
+ if (flags & MSG_CMSG_COMPAT)
+ return -EINVAL;
+
if (!timeout)
return __sys_recvmmsg(fd, mmsg, vlen, flags, NULL);
>>PAGE_CACHE_SHIFT;
unsigned int offset = (buf->page_base + len - 1)
& (PAGE_CACHE_SIZE - 1);
- ptr = kmap_atomic(buf->pages[last], KM_USER0);
+ ptr = kmap_atomic(buf->pages[last]);
pad = *(ptr + offset);
- kunmap_atomic(ptr, KM_USER0);
+ kunmap_atomic(ptr);
goto out;
} else
len -= buf->page_len;
/*
* Make an RPC task runnable.
*
- * Note: If the task is ASYNC, this must be called with
- * the spinlock held to protect the wait queue operation.
+ * Note: If the task is ASYNC, and is being made runnable after sitting on an
+ * rpc_wait_queue, this must be called with the queue spinlock held to protect
+ * the wait queue operation.
+ * Note the ordering of rpc_test_and_set_running() and rpc_clear_queued(),
+ * which is needed to ensure that __rpc_execute() doesn't loop (due to the
+ * lockless RPC_IS_QUEUED() test) before we've had a chance to test
+ * the RPC_TASK_RUNNING flag.
*/
static void rpc_make_runnable(struct rpc_task *task)
{
+ bool need_wakeup = !rpc_test_and_set_running(task);
+
rpc_clear_queued(task);
- if (rpc_test_and_set_running(task))
+ if (!need_wakeup)
return;
if (RPC_IS_ASYNC(task)) {
INIT_WORK(&task->u.tk_work, rpc_async_schedule);
}
len = PAGE_CACHE_SIZE;
- kaddr = kmap_atomic(*ppage, KM_SKB_SUNRPC_DATA);
+ kaddr = kmap_atomic(*ppage);
if (base) {
len -= base;
if (pglen < len)
ret = copy_actor(desc, kaddr, len);
}
flush_dcache_page(*ppage);
- kunmap_atomic(kaddr, KM_SKB_SUNRPC_DATA);
+ kunmap_atomic(kaddr);
copied += ret;
if (ret != len || !desc->count)
goto out;
{
char *kaddr;
- kaddr = kmap_atomic(buf->pages[0], KM_USER0);
+ kaddr = kmap_atomic(buf->pages[0]);
kaddr[buf->page_base + len] = '\0';
- kunmap_atomic(kaddr, KM_USER0);
+ kunmap_atomic(kaddr);
}
EXPORT_SYMBOL_GPL(xdr_terminate_string);
pgto_base -= copy;
pgfrom_base -= copy;
- vto = kmap_atomic(*pgto, KM_USER0);
- vfrom = kmap_atomic(*pgfrom, KM_USER1);
- memmove(vto + pgto_base, vfrom + pgfrom_base, copy);
+ vto = kmap_atomic(*pgto);
+ if (*pgto != *pgfrom) {
+ vfrom = kmap_atomic(*pgfrom);
+ memcpy(vto + pgto_base, vfrom + pgfrom_base, copy);
+ kunmap_atomic(vfrom);
+ } else
+ memmove(vto + pgto_base, vto + pgfrom_base, copy);
flush_dcache_page(*pgto);
- kunmap_atomic(vfrom, KM_USER1);
- kunmap_atomic(vto, KM_USER0);
+ kunmap_atomic(vto);
} while ((len -= copy) != 0);
}
if (copy > len)
copy = len;
- vto = kmap_atomic(*pgto, KM_USER0);
+ vto = kmap_atomic(*pgto);
memcpy(vto + pgbase, p, copy);
- kunmap_atomic(vto, KM_USER0);
+ kunmap_atomic(vto);
len -= copy;
if (len == 0)
if (copy > len)
copy = len;
- vfrom = kmap_atomic(*pgfrom, KM_USER0);
+ vfrom = kmap_atomic(*pgfrom);
memcpy(p, vfrom + pgbase, copy);
- kunmap_atomic(vfrom, KM_USER0);
+ kunmap_atomic(vfrom);
pgbase += copy;
if (pgbase == PAGE_CACHE_SIZE) {
curlen = copy_len;
dprintk("RPC: %s: page %d destp 0x%p len %d curlen %d\n",
__func__, i, destp, copy_len, curlen);
- srcp = kmap_atomic(ppages[i], KM_SKB_SUNRPC_DATA);
+ srcp = kmap_atomic(ppages[i]);
memcpy(destp, srcp+page_base, curlen);
- kunmap_atomic(srcp, KM_SKB_SUNRPC_DATA);
+ kunmap_atomic(srcp);
rqst->rq_svec[0].iov_len += curlen;
destp += curlen;
copy_len -= curlen;
dprintk("RPC: %s: page %d"
" srcp 0x%p len %d curlen %d\n",
__func__, i, srcp, copy_len, curlen);
- destp = kmap_atomic(ppages[i], KM_SKB_SUNRPC_DATA);
+ destp = kmap_atomic(ppages[i]);
memcpy(destp + page_base, srcp, curlen);
flush_dcache_page(ppages[i]);
- kunmap_atomic(destp, KM_SKB_SUNRPC_DATA);
+ kunmap_atomic(destp);
srcp += curlen;
copy_len -= curlen;
if (copy_len == 0)
struct tipc_bearer *bearer;
struct net_device *dev;
struct packet_type tipc_packet_type;
+ struct work_struct setup;
};
static struct eth_bearer eth_bearers[MAX_ETH_BEARERS];
return 0;
}
+/**
+ * setup_bearer - setup association between Ethernet bearer and interface
+ */
+static void setup_bearer(struct work_struct *work)
+{
+ struct eth_bearer *eb_ptr =
+ container_of(work, struct eth_bearer, setup);
+
+ dev_add_pack(&eb_ptr->tipc_packet_type);
+}
+
/**
* enable_bearer - attach TIPC bearer to an Ethernet interface
*/
eb_ptr->tipc_packet_type.func = recv_msg;
eb_ptr->tipc_packet_type.af_packet_priv = eb_ptr;
INIT_LIST_HEAD(&(eb_ptr->tipc_packet_type.list));
- dev_add_pack(&eb_ptr->tipc_packet_type);
+ INIT_WORK(&eb_ptr->setup, setup_bearer);
+ schedule_work(&eb_ptr->setup);
/* Associate TIPC bearer with Ethernet bearer */
void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp)
{
+ struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
void *hdr = ((void **)skb->cb)[1];
struct nlattr *data = ((void **)skb->cb)[2];
nla_nest_end(skb, data);
genlmsg_end(skb, hdr);
- genlmsg_multicast(skb, 0, nl80211_testmode_mcgrp.id, gfp);
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), skb, 0,
+ nl80211_testmode_mcgrp.id, gfp);
}
EXPORT_SYMBOL(cfg80211_testmode_event);
#endif
return;
}
- genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
return;
nla_put_failure:
mutex_lock(&rdev->devlist_mtx);
list_for_each_entry(wdev, &rdev->netdev_list, list) {
+ if (!wdev->netdev)
+ continue;
+
wdev_lock(wdev);
if (!netif_running(wdev->netdev)) {
wdev_unlock(wdev);
case SIOCX25CALLACCPTAPPRV: {
rc = -EINVAL;
lock_sock(sk);
- if (sk->sk_state != TCP_CLOSE)
- break;
- clear_bit(X25_ACCPT_APPRV_FLAG, &x25->flags);
+ if (sk->sk_state == TCP_CLOSE) {
+ clear_bit(X25_ACCPT_APPRV_FLAG, &x25->flags);
+ rc = 0;
+ }
release_sock(sk);
- rc = 0;
break;
}
rc = -EINVAL;
lock_sock(sk);
if (sk->sk_state != TCP_ESTABLISHED)
- break;
+ goto out_sendcallaccpt_release;
/* must call accptapprv above */
if (test_bit(X25_ACCPT_APPRV_FLAG, &x25->flags))
- break;
+ goto out_sendcallaccpt_release;
x25_write_internal(sk, X25_CALL_ACCEPTED);
x25->state = X25_STATE_3;
- release_sock(sk);
rc = 0;
+out_sendcallaccpt_release:
+ release_sock(sk);
break;
}
$section_counter = 0;
while (<IN>) {
+ while (s/\\\s*$//) {
+ $_ .= <IN>;
+ }
if ($state == 0) {
if (/$doc_start/o) {
$state = 1; # next line is always the function name
} else {
printk(KERN_ERR "%s: DMA error on channel %d (DCSR=%#x)\n",
rtd->params->name, dma_ch, dcsr);
+ snd_pcm_stream_lock(substream);
snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock(substream);
}
}
EXPORT_SYMBOL(pxa2xx_pcm_dma_irq);
struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
int mixer_ch = AK_GET_SHIFT(kcontrol->private_value);
const char **input_names;
- int num_names, idx;
+ unsigned int num_names, idx;
num_names = ak4xxx_capture_num_inputs(ak, mixer_ch);
if (!num_names)
#endif /* CONFIG_PNP */
-#ifdef OPTi93X
-#define DEV_NAME "opti93x"
-#else
-#define DEV_NAME "opti92x"
-#endif
+#define DEV_NAME KBUILD_MODNAME
static char * snd_opti9xx_names[] = {
"unknown",
static struct pnp_card_driver opti9xx_pnpc_driver = {
.flags = PNP_DRIVER_RES_DISABLE,
- .name = "opti9xx",
+ .name = DEV_NAME,
.id_table = snd_opti9xx_pnpids,
.probe = snd_opti9xx_pnp_probe,
.remove = __devexit_p(snd_opti9xx_pnp_remove),
menuconfig SOUND_OSS
tristate "OSS sound modules"
depends on ISA_DMA_API && VIRT_TO_BUS
+ depends on !GENERIC_ISA_DMA_SUPPORT_BROKEN
help
OSS is the Open Sound System suite of sound card drivers. They make
sound programming easier since they provide a common API. Say Y or
s->number);
ds->drained_count++;
if (ds->drained_count > 2) {
+ unsigned long flags;
+ snd_pcm_stream_lock_irqsave(s, flags);
snd_pcm_stop(s, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock_irqrestore(s, flags);
continue;
}
} else {
if (! dma->substream || ! dma->running)
return;
snd_printdd("atiixp: XRUN detected (DMA %d)\n", dma->ops->type);
+ snd_pcm_stream_lock(dma->substream);
snd_pcm_stop(dma->substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock(dma->substream);
}
/*
if (! dma->substream || ! dma->running)
return;
snd_printdd("atiixp-modem: XRUN detected (DMA %d)\n", dma->ops->type);
+ snd_pcm_stream_lock(dma->substream);
snd_pcm_stop(dma->substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock(dma->substream);
}
/*
struct hda_bus_unsolicited *unsol;
unsigned int wp;
+ if (!bus || !bus->workq)
+ return 0;
+
trace_hda_unsol_event(bus, res, res_ex);
unsol = bus->unsol;
if (!unsol)
SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */
SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */
SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */
+ SND_PCI_QUIRK(0x1179, 0xfb44, "Toshiba Satellite C870", 0), /* AMD Hudson */
SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */
SND_PCI_QUIRK(0xa0a0, 0x0575, "Aopen MZ915-M", 0), /* ICH6 */
{}
}
}
+ if (!ca) {
+ /* if there was no match, select the regular ALSA channel
+ * allocation with the matching number of channels */
+ for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
+ if (channels == channel_allocations[i].channels) {
+ ca = channel_allocations[i].ca_index;
+ break;
+ }
+ }
+ }
+
snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
snd_printdd("HDMI: select CA 0x%x for %d-channel allocation: %s\n",
ca, channels, buf);
per_cvt->assigned = 1;
hinfo->nid = per_cvt->cvt_nid;
- snd_hda_codec_write(codec, per_pin->pin_nid, 0,
+ snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
AC_VERB_SET_CONNECT_SEL,
mux_idx);
snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid);
{ .id = 0x10de0042, .name = "GPU 42 HDMI/DP", .patch = patch_generic_hdmi },
{ .id = 0x10de0043, .name = "GPU 43 HDMI/DP", .patch = patch_generic_hdmi },
{ .id = 0x10de0044, .name = "GPU 44 HDMI/DP", .patch = patch_generic_hdmi },
+{ .id = 0x10de0051, .name = "GPU 51 HDMI/DP", .patch = patch_generic_hdmi },
+{ .id = 0x10de0060, .name = "GPU 60 HDMI/DP", .patch = patch_generic_hdmi },
{ .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi_2ch },
{ .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch },
{ .id = 0x80860054, .name = "IbexPeak HDMI", .patch = patch_generic_hdmi },
MODULE_ALIAS("snd-hda-codec-id:10de0042");
MODULE_ALIAS("snd-hda-codec-id:10de0043");
MODULE_ALIAS("snd-hda-codec-id:10de0044");
+MODULE_ALIAS("snd-hda-codec-id:10de0051");
+MODULE_ALIAS("snd-hda-codec-id:10de0060");
MODULE_ALIAS("snd-hda-codec-id:10de0067");
MODULE_ALIAS("snd-hda-codec-id:10de8001");
MODULE_ALIAS("snd-hda-codec-id:17e80047");
val = ucontrol->value.integer.value[0];
val2 = ucontrol->value.integer.value[1];
+ if (val >= ARRAY_SIZE(st_table) || val2 >= ARRAY_SIZE(st_table))
+ return -EINVAL;
+
err = snd_soc_update_bits(codec, reg, 0x3f, st_table[val].m);
if (err < 0)
return err;
static void max98088_sync_cache(struct snd_soc_codec *codec)
{
- u16 *reg_cache = codec->reg_cache;
+ u8 *reg_cache = codec->reg_cache;
int i;
if (!codec->cache_sync)
struct max98095_pdata *pdata = max98095->pdata;
int channel = max98095_get_eq_channel(kcontrol->id.name);
struct max98095_cdata *cdata;
- int sel = ucontrol->value.integer.value[0];
+ unsigned int sel = ucontrol->value.integer.value[0];
struct max98095_eq_cfg *coef_set;
int fs, best, best_val, i;
int regmask, regsave;
struct max98095_pdata *pdata = max98095->pdata;
int channel = max98095_get_bq_channel(codec, kcontrol->id.name);
struct max98095_cdata *cdata;
- int sel = ucontrol->value.integer.value[0];
+ unsigned int sel = ucontrol->value.integer.value[0];
struct max98095_biquad_cfg *coef_set;
int fs, best, best_val, i;
int regmask, regsave;
static const u16 sgtl5000_regs[SGTL5000_MAX_REG_OFFSET] = {
[SGTL5000_CHIP_CLK_CTRL] = 0x0008,
[SGTL5000_CHIP_I2S_CTRL] = 0x0010,
- [SGTL5000_CHIP_SSS_CTRL] = 0x0008,
+ [SGTL5000_CHIP_SSS_CTRL] = 0x0010,
[SGTL5000_CHIP_DAC_VOL] = 0x3c3c,
[SGTL5000_CHIP_PAD_STRENGTH] = 0x015f,
[SGTL5000_CHIP_ANA_HP_CTRL] = 0x1818,
#define SGTL5000_PLL_INT_DIV_MASK 0xf800
#define SGTL5000_PLL_INT_DIV_SHIFT 11
#define SGTL5000_PLL_INT_DIV_WIDTH 5
-#define SGTL5000_PLL_FRAC_DIV_MASK 0x0700
+#define SGTL5000_PLL_FRAC_DIV_MASK 0x07ff
#define SGTL5000_PLL_FRAC_DIV_SHIFT 0
#define SGTL5000_PLL_FRAC_DIV_WIDTH 11
if (pll_div.k) {
reg |= 0x20;
- snd_soc_write(codec, WM8960_PLL2, (pll_div.k >> 18) & 0x3f);
- snd_soc_write(codec, WM8960_PLL3, (pll_div.k >> 9) & 0x1ff);
- snd_soc_write(codec, WM8960_PLL4, pll_div.k & 0x1ff);
+ snd_soc_write(codec, WM8960_PLL2, (pll_div.k >> 16) & 0xff);
+ snd_soc_write(codec, WM8960_PLL3, (pll_div.k >> 8) & 0xff);
+ snd_soc_write(codec, WM8960_PLL4, pll_div.k & 0xff);
}
snd_soc_write(codec, WM8960_PLL1, reg);
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- u16 *reg_cache = codec->reg_cache;
int ret;
/* Apply the update (if any) */
return 0;
/* If the left PGA is enabled hit that VU bit... */
- if (snd_soc_read(codec, WM8962_PWR_MGMT_2) & WM8962_HPOUTL_PGA_ENA)
- return snd_soc_write(codec, WM8962_HPOUTL_VOLUME,
- reg_cache[WM8962_HPOUTL_VOLUME]);
+ ret = snd_soc_read(codec, WM8962_PWR_MGMT_2);
+ if (ret & WM8962_HPOUTL_PGA_ENA) {
+ snd_soc_write(codec, WM8962_HPOUTL_VOLUME,
+ snd_soc_read(codec, WM8962_HPOUTL_VOLUME));
+ return 1;
+ }
/* ...otherwise the right. The VU is stereo. */
- if (snd_soc_read(codec, WM8962_PWR_MGMT_2) & WM8962_HPOUTR_PGA_ENA)
- return snd_soc_write(codec, WM8962_HPOUTR_VOLUME,
- reg_cache[WM8962_HPOUTR_VOLUME]);
+ if (ret & WM8962_HPOUTR_PGA_ENA)
+ snd_soc_write(codec, WM8962_HPOUTR_VOLUME,
+ snd_soc_read(codec, WM8962_HPOUTR_VOLUME));
- return 0;
+ return 1;
}
/* The VU bits for the speakers are in a different register to the mute
int ret;
struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec);
struct wm8962_pdata *pdata = dev_get_platdata(codec->dev);
- u16 *reg_cache = codec->reg_cache;
int i, trigger, irq_pol;
bool dmicclk, dmicdat;
/* Put the speakers into mono mode? */
if (pdata->spk_mono)
- reg_cache[WM8962_CLASS_D_CONTROL_2]
- |= WM8962_SPK_MONO;
+ snd_soc_update_bits(codec, WM8962_CLASS_D_CONTROL_2,
+ WM8962_SPK_MONO_MASK, WM8962_SPK_MONO);
+
/* Micbias setup, detection enable and detection
* threasholds. */
default:
return 0;
}
+ break;
default:
return 0;
}
substream->runtime &&
snd_pcm_running(substream)) {
dev_dbg(pcm->dev, "xrun\n");
+ snd_pcm_stream_lock(substream);
snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock(substream);
ret = IRQ_HANDLED;
}
static int usb6fire_comm_write8(struct comm_runtime *rt, u8 request,
u8 reg, u8 value)
{
- u8 buffer[13]; /* 13: maximum length of message */
+ u8 *buffer;
+ int ret;
+
+ /* 13: maximum length of message */
+ buffer = kmalloc(13, GFP_KERNEL);
+ if (!buffer)
+ return -ENOMEM;
usb6fire_comm_init_buffer(buffer, 0x00, request, reg, value, 0x00);
- return usb6fire_comm_send_buffer(buffer, rt->chip->dev);
+ ret = usb6fire_comm_send_buffer(buffer, rt->chip->dev);
+
+ kfree(buffer);
+ return ret;
}
static int usb6fire_comm_write16(struct comm_runtime *rt, u8 request,
u8 reg, u8 vl, u8 vh)
{
- u8 buffer[13]; /* 13: maximum length of message */
+ u8 *buffer;
+ int ret;
+
+ /* 13: maximum length of message */
+ buffer = kmalloc(13, GFP_KERNEL);
+ if (!buffer)
+ return -ENOMEM;
usb6fire_comm_init_buffer(buffer, 0x00, request, reg, vl, vh);
- return usb6fire_comm_send_buffer(buffer, rt->chip->dev);
+ ret = usb6fire_comm_send_buffer(buffer, rt->chip->dev);
+
+ kfree(buffer);
+ return ret;
}
int __devinit usb6fire_comm_init(struct sfire_chip *chip)
if (!rt)
return -ENOMEM;
+ rt->receiver_buffer = kzalloc(COMM_RECEIVER_BUFSIZE, GFP_KERNEL);
+ if (!rt->receiver_buffer) {
+ kfree(rt);
+ return -ENOMEM;
+ }
+
rt->serial = 1;
rt->chip = chip;
usb_init_urb(urb);
urb->interval = 1;
ret = usb_submit_urb(urb, GFP_KERNEL);
if (ret < 0) {
+ kfree(rt->receiver_buffer);
kfree(rt);
snd_printk(KERN_ERR PREFIX "cannot create comm data receiver.");
return ret;
void usb6fire_comm_destroy(struct sfire_chip *chip)
{
- kfree(chip->comm);
+ struct comm_runtime *rt = chip->comm;
+
+ kfree(rt->receiver_buffer);
+ kfree(rt);
chip->comm = NULL;
}
struct sfire_chip *chip;
struct urb receiver;
- u8 receiver_buffer[COMM_RECEIVER_BUFSIZE];
+ u8 *receiver_buffer;
u8 serial; /* urb serial */
#include "chip.h"
#include "comm.h"
+enum {
+ MIDI_BUFSIZE = 64
+};
+
static void usb6fire_midi_out_handler(struct urb *urb)
{
struct midi_runtime *rt = urb->context;
if (!rt)
return -ENOMEM;
+ rt->out_buffer = kzalloc(MIDI_BUFSIZE, GFP_KERNEL);
+ if (!rt->out_buffer) {
+ kfree(rt);
+ return -ENOMEM;
+ }
+
rt->chip = chip;
rt->in_received = usb6fire_midi_in_received;
rt->out_buffer[0] = 0x80; /* 'send midi' command */
ret = snd_rawmidi_new(chip->card, "6FireUSB", 0, 1, 1, &rt->instance);
if (ret < 0) {
+ kfree(rt->out_buffer);
kfree(rt);
snd_printk(KERN_ERR PREFIX "unable to create midi.\n");
return ret;
void usb6fire_midi_destroy(struct sfire_chip *chip)
{
- kfree(chip->midi);
+ struct midi_runtime *rt = chip->midi;
+
+ kfree(rt->out_buffer);
+ kfree(rt);
chip->midi = NULL;
}
#include "common.h"
-enum {
- MIDI_BUFSIZE = 64
-};
-
struct midi_runtime {
struct sfire_chip *chip;
struct snd_rawmidi *instance;
struct snd_rawmidi_substream *out;
struct urb out_urb;
u8 out_serial; /* serial number of out packet */
- u8 out_buffer[MIDI_BUFSIZE];
+ u8 *out_buffer;
int buffer_offset;
void (*in_received)(struct midi_runtime *rt, u8 *data, int length);
snd_pcm_uframes_t ret;
if (rt->panic || !sub)
- return SNDRV_PCM_STATE_XRUN;
+ return SNDRV_PCM_POS_XRUN;
spin_lock_irqsave(&sub->lock, flags);
ret = sub->dma_off;
urb->instance.number_of_packets = PCM_N_PACKETS_PER_URB;
}
+static int usb6fire_pcm_buffers_init(struct pcm_runtime *rt)
+{
+ int i;
+
+ for (i = 0; i < PCM_N_URBS; i++) {
+ rt->out_urbs[i].buffer = kzalloc(PCM_N_PACKETS_PER_URB
+ * PCM_MAX_PACKET_SIZE, GFP_KERNEL);
+ if (!rt->out_urbs[i].buffer)
+ return -ENOMEM;
+ rt->in_urbs[i].buffer = kzalloc(PCM_N_PACKETS_PER_URB
+ * PCM_MAX_PACKET_SIZE, GFP_KERNEL);
+ if (!rt->in_urbs[i].buffer)
+ return -ENOMEM;
+ }
+ return 0;
+}
+
+static void usb6fire_pcm_buffers_destroy(struct pcm_runtime *rt)
+{
+ int i;
+
+ for (i = 0; i < PCM_N_URBS; i++) {
+ kfree(rt->out_urbs[i].buffer);
+ kfree(rt->in_urbs[i].buffer);
+ }
+}
+
int __devinit usb6fire_pcm_init(struct sfire_chip *chip)
{
int i;
if (!rt)
return -ENOMEM;
+ ret = usb6fire_pcm_buffers_init(rt);
+ if (ret) {
+ usb6fire_pcm_buffers_destroy(rt);
+ kfree(rt);
+ return ret;
+ }
+
rt->chip = chip;
rt->stream_state = STREAM_DISABLED;
rt->rate = ARRAY_SIZE(rates);
ret = snd_pcm_new(chip->card, "DMX6FireUSB", 0, 1, 1, &pcm);
if (ret < 0) {
+ usb6fire_pcm_buffers_destroy(rt);
kfree(rt);
snd_printk(KERN_ERR PREFIX "cannot create pcm instance.\n");
return ret;
snd_dma_continuous_data(GFP_KERNEL),
MAX_BUFSIZE, MAX_BUFSIZE);
if (ret) {
+ usb6fire_pcm_buffers_destroy(rt);
kfree(rt);
snd_printk(KERN_ERR PREFIX
"error preallocating pcm buffers.\n");
void usb6fire_pcm_abort(struct sfire_chip *chip)
{
struct pcm_runtime *rt = chip->pcm;
+ unsigned long flags;
int i;
if (rt) {
rt->panic = true;
- if (rt->playback.instance)
+ if (rt->playback.instance) {
+ snd_pcm_stream_lock_irqsave(rt->playback.instance, flags);
snd_pcm_stop(rt->playback.instance,
SNDRV_PCM_STATE_XRUN);
- if (rt->capture.instance)
+ snd_pcm_stream_unlock_irqrestore(rt->playback.instance, flags);
+ }
+
+ if (rt->capture.instance) {
+ snd_pcm_stream_lock_irqsave(rt->capture.instance, flags);
snd_pcm_stop(rt->capture.instance,
SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock_irqrestore(rt->capture.instance, flags);
+ }
for (i = 0; i < PCM_N_URBS; i++) {
usb_poison_urb(&rt->in_urbs[i].instance);
void usb6fire_pcm_destroy(struct sfire_chip *chip)
{
- kfree(chip->pcm);
+ struct pcm_runtime *rt = chip->pcm;
+
+ usb6fire_pcm_buffers_destroy(rt);
+ kfree(rt);
chip->pcm = NULL;
}
struct urb instance;
struct usb_iso_packet_descriptor packets[PCM_N_PACKETS_PER_URB];
/* END DO NOT SEPARATE */
- u8 buffer[PCM_N_PACKETS_PER_URB * PCM_MAX_PACKET_SIZE];
+ u8 *buffer;
struct pcm_urb *peer;
};
return -EINVAL;
}
+ alts = &iface->altsetting[0];
+ altsd = get_iface_desc(alts);
+
+ /*
+ * Android with both accessory and audio interfaces enabled gets the
+ * interface numbers wrong.
+ */
+ if ((chip->usb_id == USB_ID(0x18d1, 0x2d04) ||
+ chip->usb_id == USB_ID(0x18d1, 0x2d05)) &&
+ interface == 0 &&
+ altsd->bInterfaceClass == USB_CLASS_VENDOR_SPEC &&
+ altsd->bInterfaceSubClass == USB_SUBCLASS_VENDOR_SPEC) {
+ interface = 2;
+ iface = usb_ifnum_to_if(dev, interface);
+ if (!iface)
+ return -EINVAL;
+ alts = &iface->altsetting[0];
+ altsd = get_iface_desc(alts);
+ }
+
if (usb_interface_claimed(iface)) {
snd_printdd(KERN_INFO "%d:%d:%d: skipping, already claimed\n",
dev->devnum, ctrlif, interface);
return -EINVAL;
}
- alts = &iface->altsetting[0];
- altsd = get_iface_desc(alts);
if ((altsd->bInterfaceClass == USB_CLASS_AUDIO ||
altsd->bInterfaceClass == USB_CLASS_VENDOR_SPEC) &&
altsd->bInterfaceSubClass == USB_SUBCLASS_MIDISTREAMING) {
#ifndef __USBAUDIO_CARD_H
#define __USBAUDIO_CARD_H
+#define MAX_NR_RATES 1024
#define MAX_PACKS 20
#define MAX_PACKS_HS (MAX_PACKS * 8) /* in high speed mode */
#define MAX_URBS 8
int min = combine_quad(&data[2 + 12 * i]);
int max = combine_quad(&data[6 + 12 * i]);
int res = combine_quad(&data[10 + 12 * i]);
- int rate;
+ unsigned int rate;
if ((max < 0) || (min < 0) || (res < 0) || (max < min))
continue;
fp->rates |= snd_pcm_rate_to_rate_bit(rate);
nr_rates++;
+ if (nr_rates >= MAX_NR_RATES) {
+ snd_printk(KERN_ERR "invalid uac2 rates\n");
+ break;
+ }
/* avoid endless loop */
if (res == 0)
static void abort_alsa_capture(struct ua101 *ua)
{
- if (test_bit(ALSA_CAPTURE_RUNNING, &ua->states))
+ unsigned long flags;
+
+ if (test_bit(ALSA_CAPTURE_RUNNING, &ua->states)) {
+ snd_pcm_stream_lock_irqsave(ua->capture.substream, flags);
snd_pcm_stop(ua->capture.substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock_irqrestore(ua->capture.substream, flags);
+ }
}
static void abort_alsa_playback(struct ua101 *ua)
{
- if (test_bit(ALSA_PLAYBACK_RUNNING, &ua->states))
+ unsigned long flags;
+
+ if (test_bit(ALSA_PLAYBACK_RUNNING, &ua->states)) {
+ snd_pcm_stream_lock_irqsave(ua->playback.substream, flags);
snd_pcm_stop(ua->playback.substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock_irqrestore(ua->playback.substream, flags);
+ }
}
static int set_stream_hw(struct ua101 *ua, struct snd_pcm_substream *substream,
return 0;
}
case UAC1_PROCESSING_UNIT:
- case UAC1_EXTENSION_UNIT: {
+ case UAC1_EXTENSION_UNIT:
+ /* UAC2_PROCESSING_UNIT_V2 */
+ /* UAC2_EFFECT_UNIT */
+ case UAC2_EXTENSION_UNIT_V2: {
struct uac_processing_unit_descriptor *d = p1;
+
+ if (state->mixer->protocol == UAC_VERSION_2 &&
+ hdr[2] == UAC2_EFFECT_UNIT) {
+ /* UAC2/UAC1 unit IDs overlap here in an
+ * uncompatible way. Ignore this unit for now.
+ */
+ return 0;
+ }
+
if (d->bNrInPins) {
id = d->baSourceID[0];
break; /* continue to parse */
case USB_ID(0x046d, 0x0808):
case USB_ID(0x046d, 0x0809):
+ case USB_ID(0x046d, 0x081b): /* HD Webcam c310 */
case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */
+ case USB_ID(0x046d, 0x0825): /* HD Webcam c270 */
case USB_ID(0x046d, 0x0991):
/* Most audio usb devices lie about volume resolution.
* Most Logitech webcams have res = 384.
return parse_audio_extension_unit(state, unitid, p1);
else /* UAC_VERSION_2 */
return parse_audio_processing_unit(state, unitid, p1);
+ case UAC2_EXTENSION_UNIT_V2:
+ return parse_audio_extension_unit(state, unitid, p1);
default:
snd_printk(KERN_ERR "usbaudio: unit %u: unexpected type 0x%02x\n", unitid, p1[2]);
return -EINVAL;
.bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL
},
{
- USB_DEVICE(0x046d, 0x0990),
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
+ USB_DEVICE_ID_MATCH_INT_CLASS |
+ USB_DEVICE_ID_MATCH_INT_SUBCLASS,
+ .idVendor = 0x046d,
+ .idProduct = 0x0990,
+ .bInterfaceClass = USB_CLASS_AUDIO,
+ .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
.vendor_name = "Logitech, Inc.",
.product_name = "QuickCam Pro 9000",
unsigned *rate_table = NULL;
fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL);
- if (! fp) {
+ if (!fp) {
snd_printk(KERN_ERR "cannot memdup\n");
return -ENOMEM;
}
+ if (fp->nr_rates > MAX_NR_RATES) {
+ kfree(fp);
+ return -EINVAL;
+ }
if (fp->nr_rates > 0) {
rate_table = kmemdup(fp->rate_table,
sizeof(int) * fp->nr_rates, GFP_KERNEL);
struct snd_usX2Y_substream *subs = usX2Y->subs[s];
if (subs) {
if (atomic_read(&subs->state) >= state_PRERUNNING) {
+ unsigned long flags;
+
+ snd_pcm_stream_lock_irqsave(subs->pcm_substream, flags);
snd_pcm_stop(subs->pcm_substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock_irqrestore(subs->pcm_substream, flags);
}
for (u = 0; u < NRURBS; u++) {
struct urb *urb = subs->urb[u];
def get_sym(sloc):
loc = int(sloc)
- for i in kallsyms:
- if (i['loc'] >= loc):
- return (i['name'], i['loc']-loc)
+ for i in kallsyms[::-1]:
+ if loc >= i['loc']:
+ return (i['name'], loc - i['loc'])
return (None, 0)
def print_drop_table():
# called from perf, when it finds a correspoinding event
def skb__kfree_skb(name, context, cpu, sec, nsec, pid, comm,
- skbaddr, protocol, location):
+ skbaddr, location, protocol):
slocation = str(location)
try:
drop_log[slocation] = drop_log[slocation] + 1
static inline int is_anon_memory(const char *filename)
{
- return strcmp(filename, "//anon") == 0;
+ return !strcmp(filename, "//anon") ||
+ !strcmp(filename, "/dev/zero (deleted)") ||
+ !strcmp(filename, "/anon_hugepage (deleted)");
}
static inline int is_no_dso_memory(const char *filename)
git.openpandora.org / pandora-kernel.git / commitdiff