* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (74 commits)
PCI: make msi_free_irqs() to use msix_mask_irq() instead of open coded write
PCI: Fix the NIU MSI-X problem in a better way
PCI ASPM: remove get_root_port_link
PCI ASPM: cleanup pcie_aspm_sanity_check
PCI ASPM: remove has_switch field
PCI ASPM: cleanup calc_Lx_latency
PCI ASPM: cleanup pcie_aspm_get_cap_device
PCI ASPM: cleanup clkpm checks
PCI ASPM: cleanup __pcie_aspm_check_state_one
PCI ASPM: cleanup initialization
PCI ASPM: cleanup change input argument of aspm functions
PCI ASPM: cleanup misc in struct pcie_link_state
PCI ASPM: cleanup clkpm state in struct pcie_link_state
PCI ASPM: cleanup latency field in struct pcie_link_state
PCI ASPM: cleanup aspm state field in struct pcie_link_state
PCI ASPM: fix typo in struct pcie_link_state
PCI: drivers/pci/slot.c should depend on CONFIG_SYSFS
PCI: remove redundant __msi_set_enable()
PCI PM: consistently use type bool for wake enable variable
x86/ACPI: Correct maximum allowed _CRS returned resources and warn if exceeded
...
EFI EFI Partitioning (GPT) is enabled
EIDE EIDE/ATAPI support is enabled.
FB The frame buffer device is enabled.
+ GCOV GCOV profiling is enabled.
HW Appropriate hardware is enabled.
IA-64 IA-64 architecture is enabled.
IMA Integrity measurement architecture is enabled.
ISAPNP ISA PnP code is enabled.
ISDN Appropriate ISDN support is enabled.
JOY Appropriate joystick support is enabled.
- KMEMTRACE kmemtrace is enabled.
LIBATA Libata driver is enabled
LP Printer support is enabled.
LOOP Loopback device support is enabled.
flushed before they will be reused, which
is a lot of faster
- amd_iommu_size= [HW,X86-64]
- Define the size of the aperture for the AMD IOMMU
- driver. Possible values are:
- '32M', '64M' (default), '128M', '256M', '512M', '1G'
-
amijoy.map= [HW,JOY] Amiga joystick support
Map of devices attached to JOY0DAT and JOY1DAT
Format: <a>,<b>
Also note the kernel might malfunction if you disable
some critical bits.
+ cmo_free_hint= [PPC] Format: { yes | no }
+ Specify whether pages are marked as being inactive
+ when they are freed. This is used in CMO environments
+ to determine OS memory pressure for page stealing by
+ a hypervisor.
+ Default: yes
+
code_bytes [X86] How many bytes of object code to print
in an oops report.
Range: 0 - 8192
console=brl,ttyS0
For now, only VisioBraille is supported.
+ consoleblank= [KNL] The console blank (screen saver) timeout in
+ seconds. Defaults to 10*60 = 10mins. A value of 0
+ disables the blank timer.
+
coredump_filter=
[KNL] Change the default value for
/proc/<pid>/coredump_filter.
DMA-API debugging code disables itself because the
architectural default is too low.
+ dma_debug_driver=<driver_name>
+ With this option the DMA-API debugging driver
+ filter feature can be enabled at boot time. Just
+ pass the driver to filter for as the parameter.
+ The filter can be disabled or changed to another
+ driver later using sysfs.
+
dscc4.setup= [NET]
dtc3181e= [HW,SCSI]
ia64_pal_cache_flush instead of SAL_CACHE_FLUSH.
ftrace=[tracer]
- [ftrace] will set and start the specified tracer
+ [FTRACE] will set and start the specified tracer
as early as possible in order to facilitate early
boot debugging.
ftrace_dump_on_oops
- [ftrace] will dump the trace buffers on oops.
+ [FTRACE] will dump the trace buffers on oops.
+
+ ftrace_filter=[function-list]
+ [FTRACE] Limit the functions traced by the function
+ tracer at boot up. function-list is a comma separated
+ list of functions. This list can be changed at run
+ time by the set_ftrace_filter file in the debugfs
+ tracing directory.
+
+ ftrace_notrace=[function-list]
+ [FTRACE] Do not trace the functions specified in
+ function-list. This list can be changed at run time
+ by the set_ftrace_notrace file in the debugfs
+ tracing directory.
gamecon.map[2|3]=
[HW,JOY] Multisystem joystick and NES/SNES/PSX pad
Format: off | on
default: on
+ gcov_persist= [GCOV] When non-zero (default), profiling data for
+ kernel modules is saved and remains accessible via
+ debugfs, even when the module is unloaded/reloaded.
+ When zero, profiling data is discarded and associated
+ debugfs files are removed at module unload time.
+
gdth= [HW,SCSI]
See header of drivers/scsi/gdth.c.
ide-core.nodma= [HW] (E)IDE subsystem
Format: =0.0 to prevent dma on hda, =0.1 hdb =1.0 hdc
- .vlb_clock .pci_clock .noflush .noprobe .nowerr .cdrom
- .chs .ignore_cable are additional options
- See Documentation/ide/ide.txt.
-
- idebus= [HW] (E)IDE subsystem - VLB/PCI bus speed
+ .vlb_clock .pci_clock .noflush .nohpa .noprobe .nowerr
+ .cdrom .chs .ignore_cable are additional options
See Documentation/ide/ide.txt.
ide-pci-generic.all-generic-ide [HW] (E)IDE subsystem
Formt: { "sha1" | "md5" }
default: "sha1"
+ ima_tcb [IMA]
+ Load a policy which meets the needs of the Trusted
+ Computing Base. This means IMA will measure all
+ programs exec'd, files mmap'd for exec, and all files
+ opened for read by uid=0.
+
in2000= [HW,SCSI]
See header of drivers/scsi/in2000.c.
use the HighMem zone if it exists, and the Normal
zone if it does not.
- kmemtrace.enable= [KNL,KMEMTRACE] Format: { yes | no }
- Controls whether kmemtrace is enabled
- at boot-time.
-
- kmemtrace.subbufs=n [KNL,KMEMTRACE] Overrides the number of
- subbufs kmemtrace's relay channel has. Set this
- higher than default (KMEMTRACE_N_SUBBUFS in code) if
- you experience buffer overruns.
-
kgdboc= [HW] kgdb over consoles.
Requires a tty driver that supports console polling.
- (only serial suported for now)
+ (only serial supported for now)
Format: <serial_device>[,baud]
kmac= [MIPS] korina ethernet MAC address.
Configure the RouterBoard 532 series on-chip
Ethernet adapter MAC address.
+ kmemleak= [KNL] Boot-time kmemleak enable/disable
+ Valid arguments: on, off
+ Default: on
+
kstack=N [X86] Print N words from the kernel stack
in oops dumps.
('y', default) or cooked coordinates ('n')
mtrr_chunk_size=nn[KMG] [X86]
- used for mtrr cleanup. It is largest continous chunk
+ used for mtrr cleanup. It is largest continuous chunk
that could hold holes aka. UC entries.
mtrr_gran_size=nn[KMG] [X86]
noinitrd [RAM] Tells the kernel not to load any configured
initial RAM disk.
+ nointremap [X86-64, Intel-IOMMU] Do not enable interrupt
+ remapping.
+
nointroute [IA-64]
nojitter [IA64] Disables jitter checking for ITC timers.
oprofile.timer= [HW]
Use timer interrupt instead of performance counters
+ oprofile.cpu_type= Force an oprofile cpu type
+ This might be useful if you have an older oprofile
+ userland or if you want common events.
+ Format: { archperfmon }
+ archperfmon: [X86] Force use of architectural
+ perfmon on Intel CPUs instead of the
+ CPU specific event set.
+
osst= [HW,SCSI] SCSI Tape Driver
Format: <buffer_size>,<write_threshold>
See also Documentation/scsi/st.txt.
root domains (aka PCI segments, in ACPI-speak).
nommconf [X86] Disable use of MMCONFIG for PCI
Configuration
+ check_enable_amd_mmconf [X86] check for and enable
+ properly configured MMIO access to PCI
+ config space on AMD family 10h CPU
nomsi [MSI] If the PCI_MSI kernel config parameter is
enabled, this kernel boot option can be used to
disable the use of MSI interrupts system-wide.
IRQ routing is enabled.
noacpi [X86] Do not use ACPI for IRQ routing
or for PCI scanning.
- use_crs [X86] Use _CRS for PCI resource
+ nocrs [X86] Don't use _CRS for PCI resource
allocation.
routeirq Do IRQ routing for all PCI devices.
This is normally done in pci_enable_device(),
PAGE_SIZE is used as alignment.
PCI-PCI bridge can be specified, if resource
windows need to be expanded.
+ ecrc= Enable/disable PCIe ECRC (transaction layer
+ end-to-end CRC checking).
+ bios: Use BIOS/firmware settings. This is the
+ the default.
+ off: Turn ECRC off
+ on: Turn ECRC on.
pcie_aspm= [PCIE] Forcibly enable or disable PCIe Active State Power
Management.
# Makefile for the PCI bus specific drivers.
#
- obj-y += access.o bus.o probe.o remove.o pci.o quirks.o slot.o \
+ obj-y += access.o bus.o probe.o remove.o pci.o quirks.o \
pci-driver.o search.o pci-sysfs.o rom.o setup-res.o \
irq.o
obj-$(CONFIG_PROC_FS) += proc.o
+ obj-$(CONFIG_SYSFS) += slot.o
# Build PCI Express stuff if needed
obj-$(CONFIG_PCIEPORTBUS) += pcie/
obj-$(CONFIG_ARM) += setup-bus.o setup-irq.o
obj-$(CONFIG_PARISC) += setup-bus.o
obj-$(CONFIG_SUPERH) += setup-bus.o setup-irq.o
-obj-$(CONFIG_PPC32) += setup-irq.o
obj-$(CONFIG_PPC) += setup-bus.o
obj-$(CONFIG_MIPS) += setup-bus.o setup-irq.o
obj-$(CONFIG_X86_VISWS) += setup-irq.o
return -1;
}
for (loop = 0; loop < len; loop++) {
- if ((*cur_slot)->number == rtable->slots[loop].slot) {
- if ((*cur_slot)->bus == rtable->slots[loop].bus) {
+ if ((*cur_slot)->number == rtable->slots[loop].slot &&
+ (*cur_slot)->bus == rtable->slots[loop].bus) {
+ struct io_apic_irq_attr irq_attr;
+
(*cur_slot)->device = PCI_SLOT(rtable->slots[loop].devfn);
for (i = 0; i < 4; i++)
(*cur_slot)->irq[i] = IO_APIC_get_PCI_irq_vector((int) (*cur_slot)->bus,
- (int) (*cur_slot)->device, i);
-
- debug("(*cur_slot)->irq[0] = %x\n",
- (*cur_slot)->irq[0]);
- debug("(*cur_slot)->irq[1] = %x\n",
- (*cur_slot)->irq[1]);
- debug("(*cur_slot)->irq[2] = %x\n",
- (*cur_slot)->irq[2]);
- debug("(*cur_slot)->irq[3] = %x\n",
- (*cur_slot)->irq[3]);
-
- debug("rtable->exlusive_irqs = %x\n",
+ (int) (*cur_slot)->device, i,
+ &irq_attr);
+
+ debug("(*cur_slot)->irq[0] = %x\n",
+ (*cur_slot)->irq[0]);
+ debug("(*cur_slot)->irq[1] = %x\n",
+ (*cur_slot)->irq[1]);
+ debug("(*cur_slot)->irq[2] = %x\n",
+ (*cur_slot)->irq[2]);
+ debug("(*cur_slot)->irq[3] = %x\n",
+ (*cur_slot)->irq[3]);
+
+ debug("rtable->exlusive_irqs = %x\n",
rtable->exclusive_irqs);
- debug("rtable->slots[loop].irq[0].bitmap = %x\n",
+ debug("rtable->slots[loop].irq[0].bitmap = %x\n",
rtable->slots[loop].irq[0].bitmap);
- debug("rtable->slots[loop].irq[1].bitmap = %x\n",
+ debug("rtable->slots[loop].irq[1].bitmap = %x\n",
rtable->slots[loop].irq[1].bitmap);
- debug("rtable->slots[loop].irq[2].bitmap = %x\n",
+ debug("rtable->slots[loop].irq[2].bitmap = %x\n",
rtable->slots[loop].irq[2].bitmap);
- debug("rtable->slots[loop].irq[3].bitmap = %x\n",
+ debug("rtable->slots[loop].irq[3].bitmap = %x\n",
rtable->slots[loop].irq[3].bitmap);
- debug("rtable->slots[loop].irq[0].link = %x\n",
+ debug("rtable->slots[loop].irq[0].link = %x\n",
rtable->slots[loop].irq[0].link);
- debug("rtable->slots[loop].irq[1].link = %x\n",
+ debug("rtable->slots[loop].irq[1].link = %x\n",
rtable->slots[loop].irq[1].link);
- debug("rtable->slots[loop].irq[2].link = %x\n",
+ debug("rtable->slots[loop].irq[2].link = %x\n",
rtable->slots[loop].irq[2].link);
- debug("rtable->slots[loop].irq[3].link = %x\n",
+ debug("rtable->slots[loop].irq[3].link = %x\n",
rtable->slots[loop].irq[3].link);
- debug("end of init_devno\n");
- kfree(rtable);
- return 0;
- }
+ debug("end of init_devno\n");
+ kfree(rtable);
+ return 0;
}
}
}
struct hotplug_slot_ops ibmphp_hotplug_slot_ops = {
- .owner = THIS_MODULE,
.set_attention_status = set_attention_status,
.enable_slot = enable_slot,
.disable_slot = ibmphp_disable_slot,
}
module_init(ibmphp_init);
+ module_exit(ibmphp_exit);
static inline int get_power_status(struct hotplug_slot *slot, u8 *value);
static struct hotplug_slot_ops sn_hotplug_slot_ops = {
- .owner = THIS_MODULE,
.enable_slot = enable_slot,
.disable_slot = disable_slot,
.get_power_status = get_power_status,
return rc;
}
-static int sn_pci_hotplug_init(void)
+static int __init sn_pci_hotplug_init(void)
{
struct pci_bus *pci_bus = NULL;
int rc;
return registered == 1 ? 0 : -ENODEV;
}
-static void sn_pci_hotplug_exit(void)
+static void __exit sn_pci_hotplug_exit(void)
{
struct hotplug_slot *bss_hotplug_slot;
#include <asm/setup.h>
#include "pci.h"
+const char *pci_power_names[] = {
+ "error", "D0", "D1", "D2", "D3hot", "D3cold", "unknown",
+};
+EXPORT_SYMBOL_GPL(pci_power_names);
+
unsigned int pci_pm_d3_delay = PCI_PM_D3_WAIT;
#ifdef CONFIG_PCI_DOMAINS
pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
pmcsr |= state;
break;
+ case PCI_D3hot:
+ case PCI_D3cold:
case PCI_UNKNOWN: /* Boot-up */
if ((pmcsr & PCI_PM_CTRL_STATE_MASK) == PCI_D3hot
&& !(pmcsr & PCI_PM_CTRL_NO_SOFT_RESET))
* Error code depending on the platform is returned if both the platform and
* the native mechanism fail to enable the generation of wake-up events
*/
- int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable)
+ int pci_enable_wake(struct pci_dev *dev, pci_power_t state, bool enable)
{
int error = 0;
bool pme_done = false;
default:
target_state = state;
}
+ } else if (!dev->pm_cap) {
+ target_state = PCI_D0;
} else if (device_may_wakeup(&dev->dev)) {
/*
* Find the deepest state from which the device can generate
* wake-up events, make it the target state and enable device
* to generate PME#.
*/
- if (!dev->pm_cap)
- return PCI_POWER_ERROR;
-
if (dev->pme_support) {
while (target_state
&& !(dev->pme_support & (1 << target_state)))
if (!pin)
return -1;
- while (dev->bus->parent) {
+ while (!pci_is_root_bus(dev->bus)) {
pin = pci_swizzle_interrupt_pin(dev, pin);
dev = dev->bus->self;
}
{
u8 pin = *pinp;
- while (dev->bus->parent) {
+ while (!pci_is_root_bus(dev->bus)) {
pin = pci_swizzle_interrupt_pin(dev, pin);
dev = dev->bus->self;
}
EXPORT_SYMBOL(pci_set_dma_seg_boundary);
#endif
- static int __pcie_flr(struct pci_dev *dev, int probe)
+ static int pcie_flr(struct pci_dev *dev, int probe)
{
- u16 status;
+ int i;
+ int pos;
u32 cap;
- int exppos = pci_find_capability(dev, PCI_CAP_ID_EXP);
+ u16 status;
- if (!exppos)
+ pos = pci_find_capability(dev, PCI_CAP_ID_EXP);
+ if (!pos)
return -ENOTTY;
- pci_read_config_dword(dev, exppos + PCI_EXP_DEVCAP, &cap);
+
+ pci_read_config_dword(dev, pos + PCI_EXP_DEVCAP, &cap);
if (!(cap & PCI_EXP_DEVCAP_FLR))
return -ENOTTY;
if (probe)
return 0;
- pci_block_user_cfg_access(dev);
-
/* Wait for Transaction Pending bit clean */
- pci_read_config_word(dev, exppos + PCI_EXP_DEVSTA, &status);
- if (!(status & PCI_EXP_DEVSTA_TRPND))
- goto transaction_done;
+ for (i = 0; i < 4; i++) {
+ if (i)
+ msleep((1 << (i - 1)) * 100);
- msleep(100);
- pci_read_config_word(dev, exppos + PCI_EXP_DEVSTA, &status);
- if (!(status & PCI_EXP_DEVSTA_TRPND))
- goto transaction_done;
-
- dev_info(&dev->dev, "Busy after 100ms while trying to reset; "
- "sleeping for 1 second\n");
- ssleep(1);
- pci_read_config_word(dev, exppos + PCI_EXP_DEVSTA, &status);
- if (status & PCI_EXP_DEVSTA_TRPND)
- dev_info(&dev->dev, "Still busy after 1s; "
- "proceeding with reset anyway\n");
-
- transaction_done:
- pci_write_config_word(dev, exppos + PCI_EXP_DEVCTL,
+ pci_read_config_word(dev, pos + PCI_EXP_DEVSTA, &status);
+ if (!(status & PCI_EXP_DEVSTA_TRPND))
+ goto clear;
+ }
+
+ dev_err(&dev->dev, "transaction is not cleared; "
+ "proceeding with reset anyway\n");
+
+ clear:
+ pci_write_config_word(dev, pos + PCI_EXP_DEVCTL,
PCI_EXP_DEVCTL_BCR_FLR);
- mdelay(100);
+ msleep(100);
- pci_unblock_user_cfg_access(dev);
return 0;
}
- static int __pci_af_flr(struct pci_dev *dev, int probe)
+ static int pci_af_flr(struct pci_dev *dev, int probe)
{
- int cappos = pci_find_capability(dev, PCI_CAP_ID_AF);
- u8 status;
+ int i;
+ int pos;
u8 cap;
+ u8 status;
- if (!cappos)
+ pos = pci_find_capability(dev, PCI_CAP_ID_AF);
+ if (!pos)
return -ENOTTY;
- pci_read_config_byte(dev, cappos + PCI_AF_CAP, &cap);
+
+ pci_read_config_byte(dev, pos + PCI_AF_CAP, &cap);
if (!(cap & PCI_AF_CAP_TP) || !(cap & PCI_AF_CAP_FLR))
return -ENOTTY;
if (probe)
return 0;
- pci_block_user_cfg_access(dev);
-
/* Wait for Transaction Pending bit clean */
- pci_read_config_byte(dev, cappos + PCI_AF_STATUS, &status);
- if (!(status & PCI_AF_STATUS_TP))
- goto transaction_done;
+ for (i = 0; i < 4; i++) {
+ if (i)
+ msleep((1 << (i - 1)) * 100);
+
+ pci_read_config_byte(dev, pos + PCI_AF_STATUS, &status);
+ if (!(status & PCI_AF_STATUS_TP))
+ goto clear;
+ }
+ dev_err(&dev->dev, "transaction is not cleared; "
+ "proceeding with reset anyway\n");
+
+ clear:
+ pci_write_config_byte(dev, pos + PCI_AF_CTRL, PCI_AF_CTRL_FLR);
msleep(100);
- pci_read_config_byte(dev, cappos + PCI_AF_STATUS, &status);
- if (!(status & PCI_AF_STATUS_TP))
- goto transaction_done;
-
- dev_info(&dev->dev, "Busy after 100ms while trying to"
- " reset; sleeping for 1 second\n");
- ssleep(1);
- pci_read_config_byte(dev, cappos + PCI_AF_STATUS, &status);
- if (status & PCI_AF_STATUS_TP)
- dev_info(&dev->dev, "Still busy after 1s; "
- "proceeding with reset anyway\n");
-
- transaction_done:
- pci_write_config_byte(dev, cappos + PCI_AF_CTRL, PCI_AF_CTRL_FLR);
- mdelay(100);
-
- pci_unblock_user_cfg_access(dev);
+
return 0;
}
- static int __pci_reset_function(struct pci_dev *pdev, int probe)
+ static int pci_pm_reset(struct pci_dev *dev, int probe)
{
- int res;
+ u16 csr;
+
+ if (!dev->pm_cap)
+ return -ENOTTY;
- res = __pcie_flr(pdev, probe);
- if (res != -ENOTTY)
- return res;
+ pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &csr);
+ if (csr & PCI_PM_CTRL_NO_SOFT_RESET)
+ return -ENOTTY;
- res = __pci_af_flr(pdev, probe);
- if (res != -ENOTTY)
- return res;
+ if (probe)
+ return 0;
- return res;
+ if (dev->current_state != PCI_D0)
+ return -EINVAL;
+
+ csr &= ~PCI_PM_CTRL_STATE_MASK;
+ csr |= PCI_D3hot;
+ pci_write_config_word(dev, dev->pm_cap + PCI_PM_CTRL, csr);
+ msleep(pci_pm_d3_delay);
+
+ csr &= ~PCI_PM_CTRL_STATE_MASK;
+ csr |= PCI_D0;
+ pci_write_config_word(dev, dev->pm_cap + PCI_PM_CTRL, csr);
+ msleep(pci_pm_d3_delay);
+
+ return 0;
+ }
+
+ static int pci_parent_bus_reset(struct pci_dev *dev, int probe)
+ {
+ u16 ctrl;
+ struct pci_dev *pdev;
+
+ if (dev->subordinate)
+ return -ENOTTY;
+
+ list_for_each_entry(pdev, &dev->bus->devices, bus_list)
+ if (pdev != dev)
+ return -ENOTTY;
+
+ if (probe)
+ return 0;
+
+ pci_read_config_word(dev->bus->self, PCI_BRIDGE_CONTROL, &ctrl);
+ ctrl |= PCI_BRIDGE_CTL_BUS_RESET;
+ pci_write_config_word(dev->bus->self, PCI_BRIDGE_CONTROL, ctrl);
+ msleep(100);
+
+ ctrl &= ~PCI_BRIDGE_CTL_BUS_RESET;
+ pci_write_config_word(dev->bus->self, PCI_BRIDGE_CONTROL, ctrl);
+ msleep(100);
+
+ return 0;
+ }
+
+ static int pci_dev_reset(struct pci_dev *dev, int probe)
+ {
+ int rc;
+
+ might_sleep();
+
+ if (!probe) {
+ pci_block_user_cfg_access(dev);
+ /* block PM suspend, driver probe, etc. */
+ down(&dev->dev.sem);
+ }
+
+ rc = pcie_flr(dev, probe);
+ if (rc != -ENOTTY)
+ goto done;
+
+ rc = pci_af_flr(dev, probe);
+ if (rc != -ENOTTY)
+ goto done;
+
+ rc = pci_pm_reset(dev, probe);
+ if (rc != -ENOTTY)
+ goto done;
+
+ rc = pci_parent_bus_reset(dev, probe);
+ done:
+ if (!probe) {
+ up(&dev->dev.sem);
+ pci_unblock_user_cfg_access(dev);
+ }
+
+ return rc;
}
/**
- * pci_execute_reset_function() - Reset a PCI device function
- * @dev: Device function to reset
+ * __pci_reset_function - reset a PCI device function
+ * @dev: PCI device to reset
*
* Some devices allow an individual function to be reset without affecting
* other functions in the same device. The PCI device must be responsive
* device including MSI, bus mastering, BARs, decoding IO and memory spaces,
* etc.
*
- * Returns 0 if the device function was successfully reset or -ENOTTY if the
+ * Returns 0 if the device function was successfully reset or negative if the
* device doesn't support resetting a single function.
*/
- int pci_execute_reset_function(struct pci_dev *dev)
+ int __pci_reset_function(struct pci_dev *dev)
{
- return __pci_reset_function(dev, 0);
+ return pci_dev_reset(dev, 0);
}
- EXPORT_SYMBOL_GPL(pci_execute_reset_function);
+ EXPORT_SYMBOL_GPL(__pci_reset_function);
/**
- * pci_reset_function() - quiesce and reset a PCI device function
- * @dev: Device function to reset
+ * pci_reset_function - quiesce and reset a PCI device function
+ * @dev: PCI device to reset
*
* Some devices allow an individual function to be reset without affecting
* other functions in the same device. The PCI device must be responsive
*
* This function does not just reset the PCI portion of a device, but
* clears all the state associated with the device. This function differs
- * from pci_execute_reset_function in that it saves and restores device state
+ * from __pci_reset_function in that it saves and restores device state
* over the reset.
*
- * Returns 0 if the device function was successfully reset or -ENOTTY if the
+ * Returns 0 if the device function was successfully reset or negative if the
* device doesn't support resetting a single function.
*/
int pci_reset_function(struct pci_dev *dev)
{
- int r = __pci_reset_function(dev, 1);
+ int rc;
- if (r < 0)
- return r;
+ rc = pci_dev_reset(dev, 1);
+ if (rc)
+ return rc;
- if (!dev->msi_enabled && !dev->msix_enabled && dev->irq != 0)
- disable_irq(dev->irq);
pci_save_state(dev);
+ /*
+ * both INTx and MSI are disabled after the Interrupt Disable bit
+ * is set and the Bus Master bit is cleared.
+ */
pci_write_config_word(dev, PCI_COMMAND, PCI_COMMAND_INTX_DISABLE);
- r = pci_execute_reset_function(dev);
+ rc = pci_dev_reset(dev, 0);
pci_restore_state(dev);
- if (!dev->msi_enabled && !dev->msix_enabled && dev->irq != 0)
- enable_irq(dev->irq);
- return r;
+ return rc;
}
EXPORT_SYMBOL_GPL(pci_reset_function);
} else if (!strncmp(str, "resource_alignment=", 19)) {
pci_set_resource_alignment_param(str + 19,
strlen(str + 19));
+ } else if (!strncmp(str, "ecrc=", 5)) {
+ pcie_ecrc_get_policy(str + 5);
} else {
printk(KERN_ERR "PCI: Unknown option `%s'\n",
str);
switch (dev->subsystem_device) {
case 0x1751: /* M2N notebook */
case 0x1821: /* M5N notebook */
+ case 0x1897: /* A6L notebook */
asus_hides_smbus = 1;
}
else if (dev->device == PCI_DEVICE_ID_INTEL_82855PM_HB)
switch (dev->subsystem_device) {
case 0x12bc: /* HP D330L */
case 0x12bd: /* HP D530 */
+ case 0x006a: /* HP Compaq nx9500 */
asus_hides_smbus = 1;
}
else if (dev->device == PCI_DEVICE_ID_INTEL_82875_HB)
PCI_DEVICE_ID_NX2_5709S,
quirk_brcm_570x_limit_vpd);
+ /* Originally in EDAC sources for i82875P:
+ * Intel tells BIOS developers to hide device 6 which
+ * configures the overflow device access containing
+ * the DRBs - this is where we expose device 6.
+ * http://www.x86-secret.com/articles/tweak/pat/patsecrets-2.htm
+ */
+ static void __devinit quirk_unhide_mch_dev6(struct pci_dev *dev)
+ {
+ u8 reg;
+
+ if (pci_read_config_byte(dev, 0xF4, ®) == 0 && !(reg & 0x02)) {
+ dev_info(&dev->dev, "Enabling MCH 'Overflow' Device\n");
+ pci_write_config_byte(dev, 0xF4, reg | 0x02);
+ }
+ }
+
+ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82865_HB,
+ quirk_unhide_mch_dev6);
+ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82875_HB,
+ quirk_unhide_mch_dev6);
+
+
#ifdef CONFIG_PCI_MSI
/* Some chipsets do not support MSI. We cannot easily rely on setting
* PCI_BUS_FLAGS_NO_MSI in its bus flags because there are actually
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x10c9, quirk_i82576_sriov);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x10e6, quirk_i82576_sriov);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x10e7, quirk_i82576_sriov);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x10e8, quirk_i82576_sriov);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x150a, quirk_i82576_sriov);
#endif /* CONFIG_PCI_IOV */
int pci_claim_resource(struct pci_dev *dev, int resource)
{
struct resource *res = &dev->resource[resource];
- struct resource *root = NULL;
+ struct resource *root;
char *dtype = resource < PCI_BRIDGE_RESOURCES ? "device" : "bridge";
int err;
- root = pcibios_select_root(dev, res);
+ root = pci_find_parent_resource(dev, res);
err = -EINVAL;
if (root != NULL)
}
#endif /* CONFIG_PCI_QUIRKS */
- int pci_assign_resource(struct pci_dev *dev, int resno)
+ static int __pci_assign_resource(struct pci_bus *bus, struct pci_dev *dev,
+ int resno)
{
- struct pci_bus *bus = dev->bus;
struct resource *res = dev->resource + resno;
resource_size_t size, min, align;
int ret;
size = resource_size(res);
min = (res->flags & IORESOURCE_IO) ? PCIBIOS_MIN_IO : PCIBIOS_MIN_MEM;
-
align = resource_alignment(res);
- if (!align) {
- dev_info(&dev->dev, "BAR %d: can't allocate resource (bogus "
- "alignment) %pR flags %#lx\n",
- resno, res, res->flags);
- return -EINVAL;
- }
/* First, try exact prefetching match.. */
ret = pci_bus_alloc_resource(bus, res, size, align, min,
pcibios_align_resource, dev);
}
- if (ret) {
- dev_info(&dev->dev, "BAR %d: can't allocate %s resource %pR\n",
- resno, res->flags & IORESOURCE_IO ? "I/O" : "mem", res);
- } else {
+ if (!ret) {
res->flags &= ~IORESOURCE_STARTALIGN;
if (resno < PCI_BRIDGE_RESOURCES)
pci_update_resource(dev, resno);
return ret;
}
+ int pci_assign_resource(struct pci_dev *dev, int resno)
+ {
+ struct resource *res = dev->resource + resno;
+ resource_size_t align;
+ struct pci_bus *bus;
+ int ret;
+
+ align = resource_alignment(res);
+ if (!align) {
+ dev_info(&dev->dev, "BAR %d: can't allocate resource (bogus "
+ "alignment) %pR flags %#lx\n",
+ resno, res, res->flags);
+ return -EINVAL;
+ }
+
+ bus = dev->bus;
+ while ((ret = __pci_assign_resource(bus, dev, resno))) {
+ if (bus->parent && bus->self->transparent)
+ bus = bus->parent;
+ else
+ bus = NULL;
+ if (bus)
+ continue;
+ break;
+ }
+
+ if (ret)
+ dev_info(&dev->dev, "BAR %d: can't allocate %s resource %pR\n",
+ resno, res->flags & IORESOURCE_IO ? "I/O" : "mem", res);
+
+ return ret;
+ }
+
#if 0
int pci_assign_resource_fixed(struct pci_dev *dev, int resno)
{
#define PCI_UNKNOWN ((pci_power_t __force) 5)
#define PCI_POWER_ERROR ((pci_power_t __force) -1)
+/* Remember to update this when the list above changes! */
+extern const char *pci_power_names[];
+
+static inline const char *pci_power_name(pci_power_t state)
+{
+ return pci_power_names[1 + (int) state];
+}
+
#define PCI_PM_D2_DELAY 200
#define PCI_PM_D3_WAIT 10
#define PCI_PM_BUS_WAIT 50
struct pci_dev __deprecated *pci_find_device(unsigned int vendor,
unsigned int device,
struct pci_dev *from);
- struct pci_dev __deprecated *pci_find_slot(unsigned int bus,
- unsigned int devfn);
#endif /* CONFIG_PCI_LEGACY */
enum pci_lost_interrupt_reason {
int where, u16 val);
int pci_bus_write_config_dword(struct pci_bus *bus, unsigned int devfn,
int where, u32 val);
+ struct pci_ops *pci_bus_set_ops(struct pci_bus *bus, struct pci_ops *ops);
static inline int pci_read_config_byte(struct pci_dev *dev, int where, u8 *val)
{
int pcix_set_mmrbc(struct pci_dev *dev, int mmrbc);
int pcie_get_readrq(struct pci_dev *dev);
int pcie_set_readrq(struct pci_dev *dev, int rq);
+ int __pci_reset_function(struct pci_dev *dev);
int pci_reset_function(struct pci_dev *dev);
- int pci_execute_reset_function(struct pci_dev *dev);
void pci_update_resource(struct pci_dev *dev, int resno);
int __must_check pci_assign_resource(struct pci_dev *dev, int i);
int pci_select_bars(struct pci_dev *dev, unsigned long flags);
pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state);
bool pci_pme_capable(struct pci_dev *dev, pci_power_t state);
void pci_pme_active(struct pci_dev *dev, bool enable);
- int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable);
+ int pci_enable_wake(struct pci_dev *dev, pci_power_t state, bool enable);
int pci_wake_from_d3(struct pci_dev *dev, bool enable);
pci_power_t pci_target_state(struct pci_dev *dev);
int pci_prepare_to_sleep(struct pci_dev *dev);
int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
int pass);
- void pci_walk_bus(struct pci_bus *top, void (*cb)(struct pci_dev *, void *),
+ void pci_walk_bus(struct pci_bus *top, int (*cb)(struct pci_dev *, void *),
void *userdata);
int pci_cfg_space_size_ext(struct pci_dev *dev);
int pci_cfg_space_size(struct pci_dev *dev);
extern int pcie_aspm_enabled(void);
#endif
+ #ifndef CONFIG_PCIE_ECRC
+ static inline void pcie_set_ecrc_checking(struct pci_dev *dev)
+ {
+ return;
+ }
+ static inline void pcie_ecrc_get_policy(char *str) {};
+ #else
+ extern void pcie_set_ecrc_checking(struct pci_dev *dev);
+ extern void pcie_ecrc_get_policy(char *str);
+ #endif
+
#define pci_enable_msi(pdev) pci_enable_msi_block(pdev, 1)
#ifdef CONFIG_HT_IRQ
return NULL;
}
- static inline struct pci_dev *pci_find_slot(unsigned int bus,
- unsigned int devfn)
- {
- return NULL;
- }
-
static inline struct pci_dev *pci_get_device(unsigned int vendor,
unsigned int device,
struct pci_dev *from)
#include <asm/pci.h>
+ #ifndef PCIBIOS_MAX_MEM_32
+ #define PCIBIOS_MAX_MEM_32 (-1)
+ #endif
+
/* these helpers provide future and backwards compatibility
* for accessing popular PCI BAR info */
#define pci_resource_start(dev, bar) ((dev)->resource[(bar)].start)
}
#endif
+ #if defined(CONFIG_HOTPLUG_PCI) || defined(CONFIG_HOTPLUG_PCI_MODULE)
+ extern void pci_hp_create_module_link(struct pci_slot *pci_slot);
+ extern void pci_hp_remove_module_link(struct pci_slot *pci_slot);
+ #endif
+
#endif /* __KERNEL__ */
#endif /* LINUX_PCI_H */
git.openpandora.org / pandora-kernel.git / commitdiff