1 /******************************************************************************
2 * QLOGIC LINUX SOFTWARE
4 * QLogic QLA1280 (Ultra2) and QLA12160 (Ultra3) SCSI driver
5 * Copyright (C) 2000 Qlogic Corporation (www.qlogic.com)
6 * Copyright (C) 2001-2004 Jes Sorensen, Wild Open Source Inc.
7 * Copyright (C) 2003-2004 Christoph Hellwig
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2, or (at your option) any
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 ******************************************************************************/
20 #define QLA1280_VERSION "3.25"
21 /*****************************************************************************
23 Rev 3.25.1, February 10, 2005 Christoph Hellwig
24 - use pci_map_single to map non-S/G requests
25 - remove qla1280_proc_info
26 Rev 3.25, September 28, 2004, Christoph Hellwig
27 - add support for ISP1020/1040
28 - don't include "scsi.h" anymore for 2.6.x
29 Rev 3.24.4 June 7, 2004 Christoph Hellwig
30 - restructure firmware loading, cleanup initialization code
31 - prepare support for ISP1020/1040 chips
32 Rev 3.24.3 January 19, 2004, Jes Sorensen
33 - Handle PCI DMA mask settings correctly
34 - Correct order of error handling in probe_one, free_irq should not
35 be called if request_irq failed
36 Rev 3.24.2 January 19, 2004, James Bottomley & Andrew Vasquez
37 - Big endian fixes (James)
38 - Remove bogus IOCB content on zero data transfer commands (Andrew)
39 Rev 3.24.1 January 5, 2004, Jes Sorensen
40 - Initialize completion queue to avoid OOPS on probe
41 - Handle interrupts during mailbox testing
42 Rev 3.24 November 17, 2003, Christoph Hellwig
43 - use struct list_head for completion queue
44 - avoid old Scsi_FOO typedefs
45 - cleanup 2.4 compat glue a bit
46 - use <scsi/scsi_*.h> headers on 2.6 instead of "scsi.h"
47 - make initialization for memory mapped vs port I/O more similar
48 - remove broken pci config space manipulation
50 - this is an almost perfect 2.6 scsi driver now! ;)
51 Rev 3.23.39 December 17, 2003, Jes Sorensen
52 - Delete completion queue from srb if mailbox command failed to
53 to avoid qla1280_done completeting qla1280_error_action's
55 - Reduce arguments for qla1280_done
56 Rev 3.23.38 October 18, 2003, Christoph Hellwig
57 - Convert to new-style hotplugable driver for 2.6
58 - Fix missing scsi_unregister/scsi_host_put on HBA removal
59 - Kill some more cruft
60 Rev 3.23.37 October 1, 2003, Jes Sorensen
61 - Make MMIO depend on CONFIG_X86_VISWS instead of yet another
63 - Clean up locking in probe path
64 Rev 3.23.36 October 1, 2003, Christoph Hellwig
65 - queuecommand only ever receives new commands - clear flags
66 - Reintegrate lost fixes from Linux 2.5
67 Rev 3.23.35 August 14, 2003, Jes Sorensen
69 Rev 3.23.34 July 23, 2003, Jes Sorensen
70 - Remove pointless TRUE/FALSE macros
71 - Clean up vchan handling
72 Rev 3.23.33 July 3, 2003, Jes Sorensen
73 - Don't define register access macros before define determining MMIO.
74 This just happend to work out on ia64 but not elsewhere.
75 - Don't try and read from the card while it is in reset as
76 it won't respond and causes an MCA
77 Rev 3.23.32 June 23, 2003, Jes Sorensen
78 - Basic support for boot time arguments
79 Rev 3.23.31 June 8, 2003, Jes Sorensen
80 - Reduce boot time messages
81 Rev 3.23.30 June 6, 2003, Jes Sorensen
82 - Do not enable sync/wide/ppr before it has been determined
83 that the target device actually supports it
84 - Enable DMA arbitration for multi channel controllers
85 Rev 3.23.29 June 3, 2003, Jes Sorensen
87 Rev 3.23.28 June 3, 2003, Jes Sorensen
88 - Eliminate duplicate marker commands on bus resets
89 - Handle outstanding commands appropriately on bus/device resets
90 Rev 3.23.27 May 28, 2003, Jes Sorensen
91 - Remove bogus input queue code, let the Linux SCSI layer do the work
92 - Clean up NVRAM handling, only read it once from the card
93 - Add a number of missing default nvram parameters
94 Rev 3.23.26 Beta May 28, 2003, Jes Sorensen
95 - Use completion queue for mailbox commands instead of busy wait
96 Rev 3.23.25 Beta May 27, 2003, James Bottomley
97 - Migrate to use new error handling code
98 Rev 3.23.24 Beta May 21, 2003, James Bottomley
100 - Cleanup data direction code
101 Rev 3.23.23 Beta May 12, 2003, Jes Sorensen
102 - Switch to using MMIO instead of PIO
103 Rev 3.23.22 Beta April 15, 2003, Jes Sorensen
104 - Fix PCI parity problem with 12160 during reset.
105 Rev 3.23.21 Beta April 14, 2003, Jes Sorensen
106 - Use pci_map_page()/pci_unmap_page() instead of map_single version.
107 Rev 3.23.20 Beta April 9, 2003, Jes Sorensen
108 - Remove < 2.4.x support
109 - Introduce HOST_LOCK to make the spin lock changes portable.
110 - Remove a bunch of idiotic and unnecessary typedef's
111 - Kill all leftovers of target-mode support which never worked anyway
112 Rev 3.23.19 Beta April 11, 2002, Linus Torvalds
113 - Do qla1280_pci_config() before calling request_irq() and
115 - Use pci_dma_hi32() to handle upper word of DMA addresses instead
117 - Hand correct arguments to free_irq() in case of failure
118 Rev 3.23.18 Beta April 11, 2002, Jes Sorensen
119 - Run source through Lindent and clean up the output
120 Rev 3.23.17 Beta April 11, 2002, Jes Sorensen
121 - Update SCSI firmware to qla1280 v8.15.00 and qla12160 v10.04.32
122 Rev 3.23.16 Beta March 19, 2002, Jes Sorensen
123 - Rely on mailbox commands generating interrupts - do not
124 run qla1280_isr() from ql1280_mailbox_command()
125 - Remove device_reg_t
126 - Integrate ql12160_set_target_parameters() with 1280 version
127 - Make qla1280_setup() non static
128 - Do not call qla1280_check_for_dead_scsi_bus() on every I/O request
129 sent to the card - this command pauses the firmare!!!
130 Rev 3.23.15 Beta March 19, 2002, Jes Sorensen
131 - Clean up qla1280.h - remove obsolete QL_DEBUG_LEVEL_x definitions
132 - Remove a pile of pointless and confusing (srb_t **) and
133 (scsi_lu_t *) typecasts
134 - Explicit mark that we do not use the new error handling (for now)
135 - Remove scsi_qla_host_t and use 'struct' instead
136 - Remove in_abort, watchdog_enabled, dpc, dpc_sched, bios_enabled,
137 pci_64bit_slot flags which weren't used for anything anyway
138 - Grab host->host_lock while calling qla1280_isr() from abort()
139 - Use spin_lock()/spin_unlock() in qla1280_intr_handler() - we
140 do not need to save/restore flags in the interrupt handler
141 - Enable interrupts early (before any mailbox access) in preparation
142 for cleaning up the mailbox handling
143 Rev 3.23.14 Beta March 14, 2002, Jes Sorensen
144 - Further cleanups. Remove all trace of QL_DEBUG_LEVEL_x and replace
145 it with proper use of dprintk().
146 - Make qla1280_print_scsi_cmd() and qla1280_dump_buffer() both take
147 a debug level argument to determine if data is to be printed
148 - Add KERN_* info to printk()
149 Rev 3.23.13 Beta March 14, 2002, Jes Sorensen
150 - Significant cosmetic cleanups
151 - Change debug code to use dprintk() and remove #if mess
152 Rev 3.23.12 Beta March 13, 2002, Jes Sorensen
153 - More cosmetic cleanups, fix places treating return as function
154 - use cpu_relax() in qla1280_debounce_register()
155 Rev 3.23.11 Beta March 13, 2002, Jes Sorensen
156 - Make it compile under 2.5.5
157 Rev 3.23.10 Beta October 1, 2001, Jes Sorensen
158 - Do no typecast short * to long * in QL1280BoardTbl, this
159 broke miserably on big endian boxes
160 Rev 3.23.9 Beta September 30, 2001, Jes Sorensen
161 - Remove pre 2.2 hack for checking for reentrance in interrupt handler
162 - Make data types used to receive from SCSI_{BUS,TCN,LUN}_32
163 unsigned int to match the types from struct scsi_cmnd
164 Rev 3.23.8 Beta September 29, 2001, Jes Sorensen
165 - Remove bogus timer_t typedef from qla1280.h
166 - Remove obsolete pre 2.2 PCI setup code, use proper #define's
167 for PCI_ values, call pci_set_master()
168 - Fix memleak of qla1280_buffer on module unload
169 - Only compile module parsing code #ifdef MODULE - should be
170 changed to use individual MODULE_PARM's later
171 - Remove dummy_buffer that was never modified nor printed
172 - ENTER()/LEAVE() are noops unless QL_DEBUG_LEVEL_3, hence remove
173 #ifdef QL_DEBUG_LEVEL_3/#endif around ENTER()/LEAVE() calls
174 - Remove \r from print statements, this is Linux, not DOS
175 - Remove obsolete QLA1280_{SCSILU,INTR,RING}_{LOCK,UNLOCK}
177 - Remove C++ compile hack in header file as Linux driver are not
178 supposed to be compiled as C++
179 - Kill MS_64BITS macro as it makes the code more readable
180 - Remove unnecessary flags.in_interrupts bit
181 Rev 3.23.7 Beta August 20, 2001, Jes Sorensen
182 - Dont' check for set flags on q->q_flag one by one in qla1280_next()
183 - Check whether the interrupt was generated by the QLA1280 before
185 - qla1280_status_entry(): Only zero out part of sense_buffer that
186 is not being copied into
187 - Remove more superflouous typecasts
188 - qla1280_32bit_start_scsi() replace home-brew memcpy() with memcpy()
189 Rev 3.23.6 Beta August 20, 2001, Tony Luck, Intel
190 - Don't walk the entire list in qla1280_putq_t() just to directly
191 grab the pointer to the last element afterwards
192 Rev 3.23.5 Beta August 9, 2001, Jes Sorensen
193 - Don't use SA_INTERRUPT, it's use is deprecated for this kinda driver
194 Rev 3.23.4 Beta August 8, 2001, Jes Sorensen
195 - Set dev->max_sectors to 1024
196 Rev 3.23.3 Beta August 6, 2001, Jes Sorensen
197 - Provide compat macros for pci_enable_device(), pci_find_subsys()
198 and scsi_set_pci_device()
199 - Call scsi_set_pci_device() for all devices
200 - Reduce size of kernel version dependent device probe code
201 - Move duplicate probe/init code to separate function
202 - Handle error if qla1280_mem_alloc() fails
203 - Kill OFFSET() macro and use Linux's PCI definitions instead
204 - Kill private structure defining PCI config space (struct config_reg)
205 - Only allocate I/O port region if not in MMIO mode
206 - Remove duplicate (unused) sanity check of sife of srb_t
207 Rev 3.23.2 Beta August 6, 2001, Jes Sorensen
208 - Change home-brew memset() implementations to use memset()
209 - Remove all references to COMTRACE() - accessing a PC's COM2 serial
210 port directly is not legal under Linux.
211 Rev 3.23.1 Beta April 24, 2001, Jes Sorensen
212 - Remove pre 2.2 kernel support
213 - clean up 64 bit DMA setting to use 2.4 API (provide backwards compat)
214 - Fix MMIO access to use readl/writel instead of directly
215 dereferencing pointers
216 - Nuke MSDOS debugging code
217 - Change true/false data types to int from uint8_t
218 - Use int for counters instead of uint8_t etc.
219 - Clean up size & byte order conversion macro usage
220 Rev 3.23 Beta January 11, 2001 BN Qlogic
221 - Added check of device_id when handling non
222 QLA12160s during detect().
223 Rev 3.22 Beta January 5, 2001 BN Qlogic
224 - Changed queue_task() to schedule_task()
225 for kernels 2.4.0 and higher.
226 Note: 2.4.0-testxx kernels released prior to
227 the actual 2.4.0 kernel release on January 2001
228 will get compile/link errors with schedule_task().
229 Please update your kernel to released 2.4.0 level,
230 or comment lines in this file flagged with 3.22
231 to resolve compile/link error of schedule_task().
232 - Added -DCONFIG_SMP in addition to -D__SMP__
233 in Makefile for 2.4.0 builds of driver as module.
234 Rev 3.21 Beta January 4, 2001 BN Qlogic
235 - Changed criteria of 64/32 Bit mode of HBA
236 operation according to BITS_PER_LONG rather
237 than HBA's NVRAM setting of >4Gig memory bit;
238 so that the HBA auto-configures without the need
239 to setup each system individually.
240 Rev 3.20 Beta December 5, 2000 BN Qlogic
241 - Added priority handling to IA-64 onboard SCSI
242 ISP12160 chip for kernels greater than 2.3.18.
243 - Added irqrestore for qla1280_intr_handler.
244 - Enabled /proc/scsi/qla1280 interface.
245 - Clear /proc/scsi/qla1280 counters in detect().
246 Rev 3.19 Beta October 13, 2000 BN Qlogic
247 - Declare driver_template for new kernel
248 (2.4.0 and greater) scsi initialization scheme.
249 - Update /proc/scsi entry for 2.3.18 kernels and
251 Rev 3.18 Beta October 10, 2000 BN Qlogic
252 - Changed scan order of adapters to map
253 the QLA12160 followed by the QLA1280.
254 Rev 3.17 Beta September 18, 2000 BN Qlogic
255 - Removed warnings for 32 bit 2.4.x compiles
256 - Corrected declared size for request and response
257 DMA addresses that are kept in each ha
258 Rev. 3.16 Beta August 25, 2000 BN Qlogic
259 - Corrected 64 bit addressing issue on IA-64
260 where the upper 32 bits were not properly
261 passed to the RISC engine.
262 Rev. 3.15 Beta August 22, 2000 BN Qlogic
263 - Modified qla1280_setup_chip to properly load
264 ISP firmware for greater that 4 Gig memory on IA-64
265 Rev. 3.14 Beta August 16, 2000 BN Qlogic
266 - Added setting of dma_mask to full 64 bit
267 if flags.enable_64bit_addressing is set in NVRAM
268 Rev. 3.13 Beta August 16, 2000 BN Qlogic
269 - Use new PCI DMA mapping APIs for 2.4.x kernel
270 Rev. 3.12 July 18, 2000 Redhat & BN Qlogic
271 - Added check of pci_enable_device to detect() for 2.3.x
272 - Use pci_resource_start() instead of
273 pdev->resource[0].start in detect() for 2.3.x
274 - Updated driver version
275 Rev. 3.11 July 14, 2000 BN Qlogic
276 - Updated SCSI Firmware to following versions:
279 - Updated driver version to 3.11
280 Rev. 3.10 June 23, 2000 BN Qlogic
281 - Added filtering of AMI SubSys Vendor ID devices
283 - DEBUG_QLA1280 undefined and new version BN Qlogic
284 Rev. 3.08b May 9, 2000 MD Dell
285 - Added logic to check against AMI subsystem vendor ID
286 Rev. 3.08 May 4, 2000 DG Qlogic
287 - Added logic to check for PCI subsystem ID.
288 Rev. 3.07 Apr 24, 2000 DG & BN Qlogic
289 - Updated SCSI Firmware to following versions:
292 Rev. 3.06 Apr 12, 2000 DG & BN Qlogic
293 - Internal revision; not released
294 Rev. 3.05 Mar 28, 2000 DG & BN Qlogic
295 - Edit correction for virt_to_bus and PROC.
296 Rev. 3.04 Mar 28, 2000 DG & BN Qlogic
297 - Merge changes from ia64 port.
298 Rev. 3.03 Mar 28, 2000 BN Qlogic
299 - Increase version to reflect new code drop with compile fix
300 of issue with inclusion of linux/spinlock for 2.3 kernels
301 Rev. 3.02 Mar 15, 2000 BN Qlogic
302 - Merge qla1280_proc_info from 2.10 code base
303 Rev. 3.01 Feb 10, 2000 BN Qlogic
304 - Corrected code to compile on a 2.2.x kernel.
305 Rev. 3.00 Jan 17, 2000 DG Qlogic
306 - Added 64-bit support.
307 Rev. 2.07 Nov 9, 1999 DG Qlogic
308 - Added new routine to set target parameters for ISP12160.
309 Rev. 2.06 Sept 10, 1999 DG Qlogic
310 - Added support for ISP12160 Ultra 3 chip.
311 Rev. 2.03 August 3, 1999 Fred Lewis, Intel DuPont
312 - Modified code to remove errors generated when compiling with
313 Cygnus IA64 Compiler.
314 - Changed conversion of pointers to unsigned longs instead of integers.
315 - Changed type of I/O port variables from uint32_t to unsigned long.
316 - Modified OFFSET macro to work with 64-bit as well as 32-bit.
317 - Changed sprintf and printk format specifiers for pointers to %p.
318 - Changed some int to long type casts where needed in sprintf & printk.
319 - Added l modifiers to sprintf and printk format specifiers for longs.
320 - Removed unused local variables.
321 Rev. 1.20 June 8, 1999 DG, Qlogic
322 Changes to support RedHat release 6.0 (kernel 2.2.5).
323 - Added SCSI exclusive access lock (io_request_lock) when accessing
325 - Added changes for the new LINUX interface template. Some new error
326 handling routines have been added to the template, but for now we
327 will use the old ones.
328 - Initial Beta Release.
329 *****************************************************************************/
332 #include <linux/config.h>
333 #include <linux/module.h>
335 #include <linux/version.h>
336 #include <linux/types.h>
337 #include <linux/string.h>
338 #include <linux/errno.h>
339 #include <linux/kernel.h>
340 #include <linux/ioport.h>
341 #include <linux/delay.h>
342 #include <linux/timer.h>
343 #include <linux/sched.h>
344 #include <linux/pci.h>
345 #include <linux/proc_fs.h>
346 #include <linux/stat.h>
347 #include <linux/slab.h>
348 #include <linux/pci_ids.h>
349 #include <linux/interrupt.h>
350 #include <linux/init.h>
354 #include <asm/byteorder.h>
355 #include <asm/processor.h>
356 #include <asm/types.h>
357 #include <asm/system.h>
359 #if LINUX_VERSION_CODE >= 0x020545
360 #include <scsi/scsi.h>
361 #include <scsi/scsi_cmnd.h>
362 #include <scsi/scsi_device.h>
363 #include <scsi/scsi_host.h>
364 #include <scsi/scsi_tcq.h>
366 #include <linux/blk.h>
368 #include <scsi/scsi_host.h>
372 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
373 #include <asm/sn/io.h>
376 #if LINUX_VERSION_CODE < 0x020407
377 #error "Kernels older than 2.4.7 are no longer supported"
382 * Compile time Options:
383 * 0 - Disable and 1 - Enable
385 #define DEBUG_QLA1280_INTR 0
386 #define DEBUG_PRINT_NVRAM 0
387 #define DEBUG_QLA1280 0
390 * The SGI VISWS is broken and doesn't support MMIO ;-(
392 #ifdef CONFIG_X86_VISWS
393 #define MEMORY_MAPPED_IO 0
395 #define MEMORY_MAPPED_IO 1
398 #define UNIQUE_FW_NAME
400 #include "ql12160_fw.h" /* ISP RISC codes */
401 #include "ql1280_fw.h"
402 #include "ql1040_fw.h"
408 #ifndef PCI_DEVICE_ID_QLOGIC_ISP1080
409 #define PCI_DEVICE_ID_QLOGIC_ISP1080 0x1080
411 #ifndef PCI_DEVICE_ID_QLOGIC_ISP1240
412 #define PCI_DEVICE_ID_QLOGIC_ISP1240 0x1240
414 #ifndef PCI_DEVICE_ID_QLOGIC_ISP1280
415 #define PCI_DEVICE_ID_QLOGIC_ISP1280 0x1280
417 #ifndef PCI_DEVICE_ID_QLOGIC_ISP10160
418 #define PCI_DEVICE_ID_QLOGIC_ISP10160 0x1016
420 #ifndef PCI_DEVICE_ID_QLOGIC_ISP12160
421 #define PCI_DEVICE_ID_QLOGIC_ISP12160 0x1216
424 #ifndef PCI_VENDOR_ID_AMI
425 #define PCI_VENDOR_ID_AMI 0x101e
428 #ifndef BITS_PER_LONG
429 #error "BITS_PER_LONG not defined!"
431 #if (BITS_PER_LONG == 64) || defined CONFIG_HIGHMEM
432 #define QLA_64BIT_PTR 1
436 #define pci_dma_hi32(a) ((a >> 16) >> 16)
438 #define pci_dma_hi32(a) 0
440 #define pci_dma_lo32(a) (a & 0xffffffff)
442 #define NVRAM_DELAY() udelay(500) /* 2 microseconds */
444 #if LINUX_VERSION_CODE < 0x020500
445 #define HOST_LOCK &io_request_lock
446 #define irqreturn_t void
447 #define IRQ_RETVAL(foo)
448 #define MSG_ORDERED_TAG 1
450 #define DMA_BIDIRECTIONAL SCSI_DATA_UNKNOWN
451 #define DMA_TO_DEVICE SCSI_DATA_WRITE
452 #define DMA_FROM_DEVICE SCSI_DATA_READ
453 #define DMA_NONE SCSI_DATA_NONE
455 #ifndef HAVE_SECTOR_T
456 typedef unsigned int sector_t;
460 scsi_adjust_queue_depth(struct scsi_device *device, int tag, int depth)
463 device->tagged_queue = tag;
464 device->current_tag = 0;
466 device->queue_depth = depth;
468 static inline struct Scsi_Host *scsi_host_alloc(Scsi_Host_Template *t, size_t s)
470 return scsi_register(t, s);
472 static inline void scsi_host_put(struct Scsi_Host *h)
477 #define HOST_LOCK ha->host->host_lock
479 #if LINUX_VERSION_CODE < 0x020600
480 #define DEV_SIMPLE_TAGS(device) device->tagged_queue
482 * Hack around that qla1280_remove_one is called from
483 * qla1280_release in 2.4
488 #define DEV_SIMPLE_TAGS(device) device->simple_tags
490 #if defined(__ia64__) && !defined(ia64_platform_is)
491 #define ia64_platform_is(foo) (!strcmp(x, platform_name))
495 #define IS_ISP1040(ha) (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP1020)
496 #define IS_ISP1x40(ha) (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP1020 || \
497 ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP1240)
498 #define IS_ISP1x160(ha) (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP10160 || \
499 ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP12160)
502 static int qla1280_probe_one(struct pci_dev *, const struct pci_device_id *);
503 static void qla1280_remove_one(struct pci_dev *);
506 * QLogic Driver Support Function Prototypes.
508 static void qla1280_done(struct scsi_qla_host *);
509 #if LINUX_VERSION_CODE < 0x020545
510 static void qla1280_get_target_options(struct scsi_cmnd *, struct scsi_qla_host *);
512 static int qla1280_get_token(char *);
513 static int qla1280_setup(char *s) __init;
516 * QLogic ISP1280 Hardware Support Function Prototypes.
518 static int qla1280_load_firmware(struct scsi_qla_host *);
519 static int qla1280_init_rings(struct scsi_qla_host *);
520 static int qla1280_nvram_config(struct scsi_qla_host *);
521 static int qla1280_mailbox_command(struct scsi_qla_host *,
522 uint8_t, uint16_t *);
523 static int qla1280_bus_reset(struct scsi_qla_host *, int);
524 static int qla1280_device_reset(struct scsi_qla_host *, int, int);
525 static int qla1280_abort_device(struct scsi_qla_host *, int, int, int);
526 static int qla1280_abort_command(struct scsi_qla_host *, struct srb *, int);
527 static int qla1280_abort_isp(struct scsi_qla_host *);
529 static int qla1280_64bit_start_scsi(struct scsi_qla_host *, struct srb *);
531 static int qla1280_32bit_start_scsi(struct scsi_qla_host *, struct srb *);
533 static void qla1280_nv_write(struct scsi_qla_host *, uint16_t);
534 static void qla1280_poll(struct scsi_qla_host *);
535 static void qla1280_reset_adapter(struct scsi_qla_host *);
536 static void qla1280_marker(struct scsi_qla_host *, int, int, int, u8);
537 static void qla1280_isp_cmd(struct scsi_qla_host *);
538 static void qla1280_isr(struct scsi_qla_host *, struct list_head *);
539 static void qla1280_rst_aen(struct scsi_qla_host *);
540 static void qla1280_status_entry(struct scsi_qla_host *, struct response *,
542 static void qla1280_error_entry(struct scsi_qla_host *, struct response *,
544 static uint16_t qla1280_get_nvram_word(struct scsi_qla_host *, uint32_t);
545 static uint16_t qla1280_nvram_request(struct scsi_qla_host *, uint32_t);
546 static uint16_t qla1280_debounce_register(volatile uint16_t __iomem *);
547 static request_t *qla1280_req_pkt(struct scsi_qla_host *);
548 static int qla1280_check_for_dead_scsi_bus(struct scsi_qla_host *,
550 static void qla1280_get_target_parameters(struct scsi_qla_host *,
551 struct scsi_device *);
552 static int qla1280_set_target_parameters(struct scsi_qla_host *, int, int);
555 static struct qla_driver_setup driver_setup;
558 * convert scsi data direction to request_t control flags
560 static inline uint16_t
561 qla1280_data_direction(struct scsi_cmnd *cmnd)
563 switch(cmnd->sc_data_direction) {
564 case DMA_FROM_DEVICE:
568 case DMA_BIDIRECTIONAL:
569 return BIT_5 | BIT_6;
571 * We could BUG() on default here if one of the four cases aren't
572 * met, but then again if we receive something like that from the
573 * SCSI layer we have more serious problems. This shuts up GCC.
582 static void __qla1280_print_scsi_cmd(struct scsi_cmnd * cmd);
583 static void __qla1280_dump_buffer(char *, int);
588 * insmod needs to find the variable and make it point to something
591 static char *qla1280;
593 /* insmod qla1280 options=verbose" */
594 module_param(qla1280, charp, 0);
596 __setup("qla1280=", qla1280_setup);
601 * We use the scsi_pointer structure that's included with each scsi_command
602 * to overlay our struct srb over it. qla1280_init() checks that a srb is not
603 * bigger than a scsi_pointer.
606 #define CMD_SP(Cmnd) &Cmnd->SCp
607 #define CMD_CDBLEN(Cmnd) Cmnd->cmd_len
608 #define CMD_CDBP(Cmnd) Cmnd->cmnd
609 #define CMD_SNSP(Cmnd) Cmnd->sense_buffer
610 #define CMD_SNSLEN(Cmnd) sizeof(Cmnd->sense_buffer)
611 #define CMD_RESULT(Cmnd) Cmnd->result
612 #define CMD_HANDLE(Cmnd) Cmnd->host_scribble
613 #if LINUX_VERSION_CODE < 0x020545
614 #define CMD_REQUEST(Cmnd) Cmnd->request.cmd
616 #define CMD_REQUEST(Cmnd) Cmnd->request->cmd
619 #define CMD_HOST(Cmnd) Cmnd->device->host
620 #define SCSI_BUS_32(Cmnd) Cmnd->device->channel
621 #define SCSI_TCN_32(Cmnd) Cmnd->device->id
622 #define SCSI_LUN_32(Cmnd) Cmnd->device->lun
625 /*****************************************/
626 /* ISP Boards supported by this driver */
627 /*****************************************/
630 unsigned char name[9]; /* Board ID String */
631 int numPorts; /* Number of SCSI ports */
632 unsigned short *fwcode; /* pointer to FW array */
633 unsigned short *fwlen; /* number of words in array */
634 unsigned short *fwstart; /* start address for F/W */
635 unsigned char *fwver; /* Ptr to F/W version array */
638 /* NOTE: the last argument in each entry is used to index ql1280_board_tbl */
639 static struct pci_device_id qla1280_pci_tbl[] = {
640 {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP12160,
641 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
642 #ifdef CONFIG_SCSI_QLOGIC_1280_1040
643 {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1020,
644 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
646 {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1080,
647 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
648 {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1240,
649 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3},
650 {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1280,
651 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4},
652 {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP10160,
653 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5},
656 MODULE_DEVICE_TABLE(pci, qla1280_pci_tbl);
658 static struct qla_boards ql1280_board_tbl[] = {
659 /* Name , Number of ports, FW details */
660 {"QLA12160", 2, &fw12160i_code01[0], &fw12160i_length01,
661 &fw12160i_addr01, &fw12160i_version_str[0]},
662 {"QLA1040", 1, &risc_code01[0], &risc_code_length01,
663 &risc_code_addr01, &firmware_version[0]},
664 {"QLA1080", 1, &fw1280ei_code01[0], &fw1280ei_length01,
665 &fw1280ei_addr01, &fw1280ei_version_str[0]},
666 {"QLA1240", 2, &fw1280ei_code01[0], &fw1280ei_length01,
667 &fw1280ei_addr01, &fw1280ei_version_str[0]},
668 {"QLA1280", 2, &fw1280ei_code01[0], &fw1280ei_length01,
669 &fw1280ei_addr01, &fw1280ei_version_str[0]},
670 {"QLA10160", 1, &fw12160i_code01[0], &fw12160i_length01,
671 &fw12160i_addr01, &fw12160i_version_str[0]},
675 static int qla1280_verbose = 1;
678 static int ql_debug_level = 1;
679 #define dprintk(level, format, a...) \
680 do { if (ql_debug_level >= level) printk(KERN_ERR format, ##a); } while(0)
681 #define qla1280_dump_buffer(level, buf, size) \
682 if (ql_debug_level >= level) __qla1280_dump_buffer(buf, size)
683 #define qla1280_print_scsi_cmd(level, cmd) \
684 if (ql_debug_level >= level) __qla1280_print_scsi_cmd(cmd)
686 #define ql_debug_level 0
687 #define dprintk(level, format, a...) do{}while(0)
688 #define qla1280_dump_buffer(a, b, c) do{}while(0)
689 #define qla1280_print_scsi_cmd(a, b) do{}while(0)
692 #define ENTER(x) dprintk(3, "qla1280 : Entering %s()\n", x);
693 #define LEAVE(x) dprintk(3, "qla1280 : Leaving %s()\n", x);
694 #define ENTER_INTR(x) dprintk(4, "qla1280 : Entering %s()\n", x);
695 #define LEAVE_INTR(x) dprintk(4, "qla1280 : Leaving %s()\n", x);
698 static int qla1280_read_nvram(struct scsi_qla_host *ha)
705 ENTER("qla1280_read_nvram");
707 if (driver_setup.no_nvram)
710 printk(KERN_INFO "scsi(%ld): Reading NVRAM\n", ha->host_no);
712 wptr = (uint16_t *)&ha->nvram;
715 for (cnt = 0; cnt < 3; cnt++) {
716 *wptr = qla1280_get_nvram_word(ha, cnt);
717 chksum += *wptr & 0xff;
718 chksum += (*wptr >> 8) & 0xff;
722 if (nv->id0 != 'I' || nv->id1 != 'S' ||
723 nv->id2 != 'P' || nv->id3 != ' ' || nv->version < 1) {
724 dprintk(2, "Invalid nvram ID or version!\n");
727 for (; cnt < sizeof(struct nvram); cnt++) {
728 *wptr = qla1280_get_nvram_word(ha, cnt);
729 chksum += *wptr & 0xff;
730 chksum += (*wptr >> 8) & 0xff;
735 dprintk(3, "qla1280_read_nvram: NVRAM Magic ID= %c %c %c %02x"
736 " version %i\n", nv->id0, nv->id1, nv->id2, nv->id3,
741 if (!driver_setup.no_nvram)
742 printk(KERN_WARNING "scsi(%ld): Unable to identify or "
743 "validate NVRAM checksum, using default "
744 "settings\n", ha->host_no);
749 /* The firmware interface is, um, interesting, in that the
750 * actual firmware image on the chip is little endian, thus,
751 * the process of taking that image to the CPU would end up
752 * little endian. However, the firmare interface requires it
753 * to be read a word (two bytes) at a time.
755 * The net result of this would be that the word (and
756 * doubleword) quantites in the firmware would be correct, but
757 * the bytes would be pairwise reversed. Since most of the
758 * firmware quantites are, in fact, bytes, we do an extra
759 * le16_to_cpu() in the firmware read routine.
761 * The upshot of all this is that the bytes in the firmware
762 * are in the correct places, but the 16 and 32 bit quantites
763 * are still in little endian format. We fix that up below by
764 * doing extra reverses on them */
765 nv->isp_parameter = cpu_to_le16(nv->isp_parameter);
766 nv->firmware_feature.w = cpu_to_le16(nv->firmware_feature.w);
767 for(i = 0; i < MAX_BUSES; i++) {
768 nv->bus[i].selection_timeout = cpu_to_le16(nv->bus[i].selection_timeout);
769 nv->bus[i].max_queue_depth = cpu_to_le16(nv->bus[i].max_queue_depth);
771 dprintk(1, "qla1280_read_nvram: Completed Reading NVRAM\n");
772 LEAVE("qla1280_read_nvram");
777 /**************************************************************************
779 * Return a string describing the driver.
780 **************************************************************************/
782 qla1280_info(struct Scsi_Host *host)
784 static char qla1280_scsi_name_buffer[125];
786 struct scsi_qla_host *ha;
787 struct qla_boards *bdp;
789 bp = &qla1280_scsi_name_buffer[0];
790 ha = (struct scsi_qla_host *)host->hostdata;
791 bdp = &ql1280_board_tbl[ha->devnum];
792 memset(bp, 0, sizeof(qla1280_scsi_name_buffer));
795 "QLogic %s PCI to SCSI Host Adapter\n"
796 " Firmware version: %2d.%02d.%02d, Driver version %s",
797 &bdp->name[0], bdp->fwver[0], bdp->fwver[1], bdp->fwver[2],
802 /**************************************************************************
803 * qla1200_queuecommand
804 * Queue a command to the controller.
807 * The mid-level driver tries to ensures that queuecommand never gets invoked
808 * concurrently with itself or the interrupt handler (although the
809 * interrupt handler may call this routine as part of request-completion
810 * handling). Unfortunely, it sometimes calls the scheduler in interrupt
811 * context which is a big NO! NO!.
812 **************************************************************************/
814 qla1280_queuecommand(struct scsi_cmnd *cmd, void (*fn)(struct scsi_cmnd *))
816 struct Scsi_Host *host = cmd->device->host;
817 struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata;
818 struct srb *sp = (struct srb *)&cmd->SCp;
825 qla1280_print_scsi_cmd(5, cmd);
829 * Using 64 bit commands if the PCI bridge doesn't support it is a
830 * bit wasteful, however this should really only happen if one's
831 * PCI controller is completely broken, like the BCM1250. For
832 * sane hardware this is not an issue.
834 status = qla1280_64bit_start_scsi(ha, sp);
836 status = qla1280_32bit_start_scsi(ha, sp);
850 /* timer action for error action processor */
851 static void qla1280_error_wait_timeout(unsigned long __data)
853 struct scsi_cmnd *cmd = (struct scsi_cmnd *)__data;
854 struct srb *sp = (struct srb *)CMD_SP(cmd);
859 static void qla1280_mailbox_timeout(unsigned long __data)
861 struct scsi_qla_host *ha = (struct scsi_qla_host *)__data;
862 struct device_reg __iomem *reg;
865 ha->mailbox_out[0] = RD_REG_WORD(®->mailbox0);
866 printk(KERN_ERR "scsi(%ld): mailbox timed out, mailbox0 %04x, "
867 "ictrl %04x, istatus %04x\n", ha->host_no, ha->mailbox_out[0],
868 RD_REG_WORD(®->ictrl), RD_REG_WORD(®->istatus));
869 complete(ha->mailbox_wait);
872 /**************************************************************************
873 * qla1200_error_action
874 * The function will attempt to perform a specified error action and
875 * wait for the results (or time out).
878 * cmd = Linux SCSI command packet of the command that cause the
880 * action = error action to take (see action_t)
886 * Resetting the bus always succeeds - is has to, otherwise the
887 * kernel will panic! Try a surgical technique - sending a BUS
888 * DEVICE RESET message - on the offending target before pulling
889 * the SCSI bus reset line.
890 **************************************************************************/
892 qla1280_error_action(struct scsi_cmnd *cmd, enum action action)
894 struct scsi_qla_host *ha;
895 int bus, target, lun;
898 unsigned char *handle;
900 DECLARE_COMPLETION(wait);
901 struct timer_list timer;
903 ha = (struct scsi_qla_host *)(CMD_HOST(cmd)->hostdata);
905 dprintk(4, "error_action %i, istatus 0x%04x\n", action,
906 RD_REG_WORD(&ha->iobase->istatus));
908 dprintk(4, "host_cmd 0x%04x, ictrl 0x%04x, jiffies %li\n",
909 RD_REG_WORD(&ha->iobase->host_cmd),
910 RD_REG_WORD(&ha->iobase->ictrl), jiffies);
912 ENTER("qla1280_error_action");
914 printk(KERN_INFO "scsi(%li): Resetting Cmnd=0x%p, "
915 "Handle=0x%p, action=0x%x\n",
916 ha->host_no, cmd, CMD_HANDLE(cmd), action);
919 printk(KERN_WARNING "(scsi?:?:?:?) Reset called with NULL "
920 "si_Cmnd pointer, failing.\n");
921 LEAVE("qla1280_error_action");
925 ha = (struct scsi_qla_host *)cmd->device->host->hostdata;
926 sp = (struct srb *)CMD_SP(cmd);
927 handle = CMD_HANDLE(cmd);
929 /* Check for pending interrupts. */
930 data = qla1280_debounce_register(&ha->iobase->istatus);
932 * The io_request_lock is held when the reset handler is called, hence
933 * the interrupt handler cannot be running in parallel as it also
934 * grabs the lock. /Jes
937 qla1280_isr(ha, &ha->done_q);
940 * Determine the suggested action that the mid-level driver wants
943 if (handle == (unsigned char *)INVALID_HANDLE || handle == NULL) {
944 if(action == ABORT_COMMAND) {
945 /* we never got this command */
946 printk(KERN_INFO "qla1280: Aborting a NULL handle\n");
947 return SUCCESS; /* no action - we don't have command */
953 bus = SCSI_BUS_32(cmd);
954 target = SCSI_TCN_32(cmd);
955 lun = SCSI_LUN_32(cmd);
957 /* Overloading result. Here it means the success or fail of the
958 * *issue* of the action. When we return from the routine, it must
959 * mean the actual success or fail of the action */
966 if ((sp->flags & SRB_ABORT_PENDING)) {
968 "scsi(): Command has a pending abort "
969 "message - ABORT_PENDING.\n");
970 /* This should technically be impossible since we
971 * now wait for abort completion */
975 for (i = 0; i < MAX_OUTSTANDING_COMMANDS; i++) {
976 if (sp == ha->outstanding_cmds[i]) {
977 dprintk(1, "qla1280: RISC aborting command\n");
978 if (qla1280_abort_command(ha, sp, i) == 0)
982 * Since we don't know what might
983 * have happend to the command, it
984 * is unsafe to remove it from the
985 * device's queue at this point.
986 * Wait and let the escalation
987 * process take care of it.
990 "scsi(%li:%i:%i:%i): Unable"
991 " to abort command!\n",
992 ha->host_no, bus, target, lun);
999 ha->flags.in_reset = 1;
1000 if (qla1280_verbose)
1002 "scsi(%ld:%d:%d:%d): Queueing abort device "
1003 "command.\n", ha->host_no, bus, target, lun);
1004 if (qla1280_abort_device(ha, bus, target, lun) == 0)
1009 if (qla1280_verbose)
1011 "scsi(%ld:%d:%d:%d): Queueing device reset "
1012 "command.\n", ha->host_no, bus, target, lun);
1013 ha->flags.in_reset = 1;
1014 if (qla1280_device_reset(ha, bus, target) == 0)
1019 if (qla1280_verbose)
1020 printk(KERN_INFO "qla1280(%ld:%d): Issuing BUS "
1021 "DEVICE RESET\n", ha->host_no, bus);
1022 ha->flags.in_reset = 1;
1023 if (qla1280_bus_reset(ha, bus == 0))
1030 if (qla1280_verbose) {
1032 "scsi(%ld): Issued ADAPTER RESET\n",
1034 printk(KERN_INFO "scsi(%ld): I/O processing will "
1035 "continue automatically\n", ha->host_no);
1037 ha->flags.reset_active = 1;
1039 * We restarted all of the commands automatically, so the
1040 * mid-level code can expect completions momentitarily.
1042 if (qla1280_abort_isp(ha) == 0)
1045 ha->flags.reset_active = 0;
1048 if (!list_empty(&ha->done_q))
1050 ha->flags.in_reset = 0;
1052 /* If we didn't manage to issue the action, or we have no
1053 * command to wait for, exit here */
1054 if (result == FAILED || handle == NULL ||
1055 handle == (unsigned char *)INVALID_HANDLE) {
1057 * Clear completion queue to avoid qla1280_done() trying
1058 * to complete the command at a later stage after we
1059 * have exited the current context
1065 /* set up a timer just in case we're really jammed */
1067 timer.expires = jiffies + 4*HZ;
1068 timer.data = (unsigned long)cmd;
1069 timer.function = qla1280_error_wait_timeout;
1072 /* wait for the action to complete (or the timer to expire) */
1073 spin_unlock_irq(HOST_LOCK);
1074 wait_for_completion(&wait);
1075 del_timer_sync(&timer);
1076 spin_lock_irq(HOST_LOCK);
1079 /* the only action we might get a fail for is abort */
1080 if (action == ABORT_COMMAND) {
1081 if(sp->flags & SRB_ABORTED)
1088 dprintk(1, "RESET returning %d\n", result);
1090 LEAVE("qla1280_error_action");
1094 /**************************************************************************
1096 * Abort the specified SCSI command(s).
1097 **************************************************************************/
1099 qla1280_eh_abort(struct scsi_cmnd * cmd)
1103 spin_lock_irq(cmd->device->host->host_lock);
1104 rc = qla1280_error_action(cmd, ABORT_COMMAND);
1105 spin_unlock_irq(cmd->device->host->host_lock);
1110 /**************************************************************************
1111 * qla1280_device_reset
1112 * Reset the specified SCSI device
1113 **************************************************************************/
1115 qla1280_eh_device_reset(struct scsi_cmnd *cmd)
1119 spin_lock_irq(cmd->device->host->host_lock);
1120 rc = qla1280_error_action(cmd, DEVICE_RESET);
1121 spin_unlock_irq(cmd->device->host->host_lock);
1126 /**************************************************************************
1128 * Reset the specified bus.
1129 **************************************************************************/
1131 qla1280_eh_bus_reset(struct scsi_cmnd *cmd)
1133 return qla1280_error_action(cmd, BUS_RESET);
1136 /**************************************************************************
1137 * qla1280_adapter_reset
1138 * Reset the specified adapter (both channels)
1139 **************************************************************************/
1141 qla1280_eh_adapter_reset(struct scsi_cmnd *cmd)
1143 return qla1280_error_action(cmd, ADAPTER_RESET);
1147 qla1280_biosparam(struct scsi_device *sdev, struct block_device *bdev,
1148 sector_t capacity, int geom[])
1150 int heads, sectors, cylinders;
1154 cylinders = (unsigned long)capacity / (heads * sectors);
1155 if (cylinders > 1024) {
1158 cylinders = (unsigned long)capacity / (heads * sectors);
1159 /* if (cylinders > 1023)
1160 cylinders = 1023; */
1165 geom[2] = cylinders;
1170 #if LINUX_VERSION_CODE < 0x020600
1172 qla1280_detect(Scsi_Host_Template *template)
1174 struct pci_device_id *id = &qla1280_pci_tbl[0];
1175 struct pci_dev *pdev = NULL;
1178 if (sizeof(struct srb) > sizeof(Scsi_Pointer)) {
1180 "qla1280: struct srb too big, aborting\n");
1184 if ((DMA_BIDIRECTIONAL != PCI_DMA_BIDIRECTIONAL) ||
1185 (DMA_TO_DEVICE != PCI_DMA_TODEVICE) ||
1186 (DMA_FROM_DEVICE != PCI_DMA_FROMDEVICE) ||
1187 (DMA_NONE != PCI_DMA_NONE)) {
1189 "qla1280: dma direction bits don't match\n");
1195 * If we are called as a module, the qla1280 pointer may not be null
1196 * and it would point to our bootup string, just like on the lilo
1197 * command line. IF not NULL, then process this config string with
1201 * To add options at boot time add a line to your lilo.conf file like:
1202 * append="qla1280=verbose,max_tags:{{255,255,255,255},{255,255,255,255}}"
1203 * which will result in the first four devices on the first two
1204 * controllers being set to a tagged queue depth of 32.
1207 qla1280_setup(qla1280);
1210 /* First Initialize QLA12160 on PCI Bus 1 Dev 2 */
1211 while ((pdev = pci_find_device(id->vendor, id->device, pdev))) {
1212 if (pdev->bus->number == 1 && PCI_SLOT(pdev->devfn) == 2) {
1213 if (!qla1280_probe_one(pdev, id))
1219 /* Try and find each different type of adapter we support */
1220 for (id = &qla1280_pci_tbl[0]; id->device; id++) {
1221 while ((pdev = pci_find_device(id->vendor, id->device, pdev))) {
1223 * skip QLA12160 already initialized on
1224 * PCI Bus 1 Dev 2 since we already initialized
1227 if (id->device == PCI_DEVICE_ID_QLOGIC_ISP12160 &&
1228 pdev->bus->number == 1 &&
1229 PCI_SLOT(pdev->devfn) == 2)
1232 if (!qla1280_probe_one(pdev, id))
1241 * This looks a bit ugly as we could just pass down host to
1242 * qla1280_remove_one, but I want to keep qla1280_release purely a wrapper
1243 * around pci_driver::remove as used from 2.6 onwards.
1246 qla1280_release(struct Scsi_Host *host)
1248 struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata;
1250 qla1280_remove_one(ha->pdev);
1255 qla1280_biosparam_old(Disk * disk, kdev_t dev, int geom[])
1257 return qla1280_biosparam(disk->device, NULL, disk->capacity, geom);
1261 /**************************************************************************
1262 * qla1280_intr_handler
1263 * Handles the H/W interrupt
1264 **************************************************************************/
1266 qla1280_intr_handler(int irq, void *dev_id, struct pt_regs *regs)
1268 struct scsi_qla_host *ha;
1269 struct device_reg __iomem *reg;
1273 ENTER_INTR ("qla1280_intr_handler");
1274 ha = (struct scsi_qla_host *)dev_id;
1276 spin_lock(HOST_LOCK);
1281 WRT_REG_WORD(®->ictrl, 0); /* disable our interrupt. */
1283 data = qla1280_debounce_register(®->istatus);
1284 /* Check for pending interrupts. */
1285 if (data & RISC_INT) {
1286 qla1280_isr(ha, &ha->done_q);
1289 if (!list_empty(&ha->done_q))
1292 spin_unlock(HOST_LOCK);
1294 /* enable our interrupt. */
1295 WRT_REG_WORD(®->ictrl, (ISP_EN_INT | ISP_EN_RISC));
1297 LEAVE_INTR("qla1280_intr_handler");
1298 return IRQ_RETVAL(handled);
1303 qla1280_set_target_parameters(struct scsi_qla_host *ha, int bus, int target)
1306 uint16_t mb[MAILBOX_REGISTER_COUNT];
1312 mr = BIT_3 | BIT_2 | BIT_1 | BIT_0;
1314 /* Set Target Parameters. */
1315 mb[0] = MBC_SET_TARGET_PARAMETERS;
1316 mb[1] = (uint16_t) (bus ? target | BIT_7 : target);
1319 mb[2] = (nv->bus[bus].target[target].parameter.c << 8);
1321 if (IS_ISP1x160(ha)) {
1322 mb[2] |= nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr << 5;
1323 mb[3] = (nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8) |
1324 nv->bus[bus].target[target].sync_period;
1325 mb[6] = (nv->bus[bus].target[target].ppr_1x160.flags.ppr_options << 8) |
1326 nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width;
1329 mb[3] = (nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8) |
1330 nv->bus[bus].target[target].sync_period;
1333 status = qla1280_mailbox_command(ha, mr, &mb[0]);
1336 printk(KERN_WARNING "scsi(%ld:%i:%i): "
1337 "qla1280_set_target_parameters() failed\n",
1338 ha->host_no, bus, target);
1343 /**************************************************************************
1344 * qla1280_slave_configure
1347 * Determines the queue depth for a given device. There are two ways
1348 * a queue depth can be obtained for a tagged queueing device. One
1349 * way is the default queue depth which is determined by whether
1350 * If it is defined, then it is used
1351 * as the default queue depth. Otherwise, we use either 4 or 8 as the
1352 * default queue depth (dependent on the number of hardware SCBs).
1353 **************************************************************************/
1355 qla1280_slave_configure(struct scsi_device *device)
1357 struct scsi_qla_host *ha;
1358 int default_depth = 3;
1359 int bus = device->channel;
1360 int target = device->id;
1363 unsigned long flags;
1365 ha = (struct scsi_qla_host *)device->host->hostdata;
1368 if (qla1280_check_for_dead_scsi_bus(ha, bus))
1371 if (device->tagged_supported &&
1372 (ha->bus_settings[bus].qtag_enables & (BIT_0 << target))) {
1373 scsi_adjust_queue_depth(device, MSG_ORDERED_TAG,
1374 ha->bus_settings[bus].hiwat);
1376 scsi_adjust_queue_depth(device, 0, default_depth);
1379 #if LINUX_VERSION_CODE > 0x020500
1380 nv->bus[bus].target[target].parameter.f.enable_sync = device->sdtr;
1381 nv->bus[bus].target[target].parameter.f.enable_wide = device->wdtr;
1382 nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = device->ppr;
1385 if (driver_setup.no_sync ||
1386 (driver_setup.sync_mask &&
1387 (~driver_setup.sync_mask & (1 << target))))
1388 nv->bus[bus].target[target].parameter.f.enable_sync = 0;
1389 if (driver_setup.no_wide ||
1390 (driver_setup.wide_mask &&
1391 (~driver_setup.wide_mask & (1 << target))))
1392 nv->bus[bus].target[target].parameter.f.enable_wide = 0;
1393 if (IS_ISP1x160(ha)) {
1394 if (driver_setup.no_ppr ||
1395 (driver_setup.ppr_mask &&
1396 (~driver_setup.ppr_mask & (1 << target))))
1397 nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 0;
1400 spin_lock_irqsave(HOST_LOCK, flags);
1401 if (nv->bus[bus].target[target].parameter.f.enable_sync)
1402 status = qla1280_set_target_parameters(ha, bus, target);
1403 qla1280_get_target_parameters(ha, device);
1404 spin_unlock_irqrestore(HOST_LOCK, flags);
1408 #if LINUX_VERSION_CODE < 0x020545
1409 /**************************************************************************
1410 * qla1280_select_queue_depth
1412 * Sets the queue depth for each SCSI device hanging off the input
1413 * host adapter. We use a queue depth of 2 for devices that do not
1414 * support tagged queueing.
1415 **************************************************************************/
1417 qla1280_select_queue_depth(struct Scsi_Host *host, struct scsi_device *sdev_q)
1419 struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata;
1420 struct scsi_device *sdev;
1422 ENTER("qla1280_select_queue_depth");
1423 for (sdev = sdev_q; sdev; sdev = sdev->next)
1424 if (sdev->host == host)
1425 qla1280_slave_configure(sdev);
1428 qla1280_check_for_dead_scsi_bus(ha, sdev_q->channel);
1429 LEAVE("qla1280_select_queue_depth");
1435 * Process completed commands.
1438 * ha = adapter block pointer.
1439 * done_q = done queue.
1442 qla1280_done(struct scsi_qla_host *ha)
1445 struct list_head *done_q;
1446 int bus, target, lun;
1447 struct scsi_cmnd *cmd;
1449 ENTER("qla1280_done");
1451 done_q = &ha->done_q;
1453 while (!list_empty(done_q)) {
1454 sp = list_entry(done_q->next, struct srb, list);
1456 list_del(&sp->list);
1459 bus = SCSI_BUS_32(cmd);
1460 target = SCSI_TCN_32(cmd);
1461 lun = SCSI_LUN_32(cmd);
1463 switch ((CMD_RESULT(cmd) >> 16)) {
1465 /* Issue marker command. */
1466 qla1280_marker(ha, bus, target, 0, MK_SYNC_ID);
1469 sp->flags &= ~SRB_ABORT_PENDING;
1470 sp->flags |= SRB_ABORTED;
1471 if (sp->flags & SRB_TIMEOUT)
1472 CMD_RESULT(sp->cmd) = DID_TIME_OUT << 16;
1478 /* Release memory used for this I/O */
1480 pci_unmap_sg(ha->pdev, cmd->request_buffer,
1481 cmd->use_sg, cmd->sc_data_direction);
1482 } else if (cmd->request_bufflen) {
1483 pci_unmap_single(ha->pdev, sp->saved_dma_handle,
1484 cmd->request_bufflen,
1485 cmd->sc_data_direction);
1488 /* Call the mid-level driver interrupt handler */
1489 CMD_HANDLE(sp->cmd) = (unsigned char *)INVALID_HANDLE;
1492 #if LINUX_VERSION_CODE < 0x020500
1493 if (cmd->cmnd[0] == INQUIRY)
1494 qla1280_get_target_options(cmd, ha);
1496 (*(cmd)->scsi_done)(cmd);
1498 if(sp->wait != NULL)
1501 LEAVE("qla1280_done");
1505 * Translates a ISP error to a Linux SCSI error
1508 qla1280_return_status(struct response * sts, struct scsi_cmnd *cp)
1510 int host_status = DID_ERROR;
1511 uint16_t comp_status = le16_to_cpu(sts->comp_status);
1512 uint16_t state_flags = le16_to_cpu(sts->state_flags);
1513 uint16_t residual_length = le16_to_cpu(sts->residual_length);
1514 uint16_t scsi_status = le16_to_cpu(sts->scsi_status);
1515 #if DEBUG_QLA1280_INTR
1516 static char *reason[] = {
1528 #endif /* DEBUG_QLA1280_INTR */
1530 ENTER("qla1280_return_status");
1532 #if DEBUG_QLA1280_INTR
1534 dprintk(1, "qla1280_return_status: compl status = 0x%04x\n",
1539 switch (comp_status) {
1541 host_status = DID_OK;
1545 if (!(state_flags & SF_GOT_BUS))
1546 host_status = DID_NO_CONNECT;
1547 else if (!(state_flags & SF_GOT_TARGET))
1548 host_status = DID_BAD_TARGET;
1549 else if (!(state_flags & SF_SENT_CDB))
1550 host_status = DID_ERROR;
1551 else if (!(state_flags & SF_TRANSFERRED_DATA))
1552 host_status = DID_ERROR;
1553 else if (!(state_flags & SF_GOT_STATUS))
1554 host_status = DID_ERROR;
1555 else if (!(state_flags & SF_GOT_SENSE))
1556 host_status = DID_ERROR;
1560 host_status = DID_RESET;
1564 host_status = DID_ABORT;
1568 host_status = DID_TIME_OUT;
1571 case CS_DATA_OVERRUN:
1572 dprintk(2, "Data overrun 0x%x\n", residual_length);
1573 dprintk(2, "qla1280_isr: response packet data\n");
1574 qla1280_dump_buffer(2, (char *)sts, RESPONSE_ENTRY_SIZE);
1575 host_status = DID_ERROR;
1578 case CS_DATA_UNDERRUN:
1579 if ((cp->request_bufflen - residual_length) <
1582 "scsi: Underflow detected - retrying "
1584 host_status = DID_ERROR;
1586 host_status = DID_OK;
1590 host_status = DID_ERROR;
1594 #if DEBUG_QLA1280_INTR
1595 dprintk(1, "qla1280 ISP status: host status (%s) scsi status %x\n",
1596 reason[host_status], scsi_status);
1599 LEAVE("qla1280_return_status");
1601 return (scsi_status & 0xff) | (host_status << 16);
1604 /****************************************************************************/
1605 /* QLogic ISP1280 Hardware Support Functions. */
1606 /****************************************************************************/
1609 * qla2100_enable_intrs
1610 * qla2100_disable_intrs
1613 * ha = adapter block pointer.
1619 qla1280_enable_intrs(struct scsi_qla_host *ha)
1621 struct device_reg __iomem *reg;
1624 /* enable risc and host interrupts */
1625 WRT_REG_WORD(®->ictrl, (ISP_EN_INT | ISP_EN_RISC));
1626 RD_REG_WORD(®->ictrl); /* PCI Posted Write flush */
1627 ha->flags.ints_enabled = 1;
1631 qla1280_disable_intrs(struct scsi_qla_host *ha)
1633 struct device_reg __iomem *reg;
1636 /* disable risc and host interrupts */
1637 WRT_REG_WORD(®->ictrl, 0);
1638 RD_REG_WORD(®->ictrl); /* PCI Posted Write flush */
1639 ha->flags.ints_enabled = 0;
1643 * qla1280_initialize_adapter
1647 * ha = adapter block pointer.
1652 static int __devinit
1653 qla1280_initialize_adapter(struct scsi_qla_host *ha)
1655 struct device_reg __iomem *reg;
1658 #if LINUX_VERSION_CODE > 0x020500
1659 unsigned long flags;
1662 ENTER("qla1280_initialize_adapter");
1664 /* Clear adapter flags. */
1665 ha->flags.online = 0;
1666 ha->flags.disable_host_adapter = 0;
1667 ha->flags.reset_active = 0;
1668 ha->flags.abort_isp_active = 0;
1670 ha->flags.ints_enabled = 0;
1671 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1672 if (ia64_platform_is("sn2")) {
1673 printk(KERN_INFO "scsi(%li): Enabling SN2 PCI DMA "
1674 "dual channel lockup workaround\n", ha->host_no);
1675 ha->flags.use_pci_vchannel = 1;
1676 driver_setup.no_nvram = 1;
1680 /* TODO: implement support for the 1040 nvram format */
1682 driver_setup.no_nvram = 1;
1684 dprintk(1, "Configure PCI space for adapter...\n");
1688 /* Insure mailbox registers are free. */
1689 WRT_REG_WORD(®->semaphore, 0);
1690 WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT);
1691 WRT_REG_WORD(®->host_cmd, HC_CLR_HOST_INT);
1692 RD_REG_WORD(®->host_cmd);
1694 if (qla1280_read_nvram(ha)) {
1695 dprintk(2, "qla1280_initialize_adapter: failed to read "
1699 #if LINUX_VERSION_CODE >= 0x020500
1701 * It's necessary to grab the spin here as qla1280_mailbox_command
1702 * needs to be able to drop the lock unconditionally to wait
1704 * In 2.4 ->detect is called with the io_request_lock held.
1706 spin_lock_irqsave(HOST_LOCK, flags);
1709 status = qla1280_load_firmware(ha);
1711 printk(KERN_ERR "scsi(%li): initialize: pci probe failed!\n",
1716 /* Setup adapter based on NVRAM parameters. */
1717 dprintk(1, "scsi(%ld): Configure NVRAM parameters\n", ha->host_no);
1718 qla1280_nvram_config(ha);
1720 if (ha->flags.disable_host_adapter) {
1725 status = qla1280_init_rings(ha);
1729 /* Issue SCSI reset, if we can't reset twice then bus is dead */
1730 for (bus = 0; bus < ha->ports; bus++) {
1731 if (!ha->bus_settings[bus].disable_scsi_reset &&
1732 qla1280_bus_reset(ha, bus) &&
1733 qla1280_bus_reset(ha, bus))
1734 ha->bus_settings[bus].scsi_bus_dead = 1;
1737 ha->flags.online = 1;
1739 #if LINUX_VERSION_CODE >= 0x020500
1740 spin_unlock_irqrestore(HOST_LOCK, flags);
1743 dprintk(2, "qla1280_initialize_adapter: **** FAILED ****\n");
1745 LEAVE("qla1280_initialize_adapter");
1752 * Checks if present version of RISC firmware is older than
1756 * ha = adapter block pointer.
1759 * 0 = firmware does not need to be loaded.
1762 qla1280_isp_firmware(struct scsi_qla_host *ha)
1764 struct nvram *nv = (struct nvram *) ha->response_ring;
1765 int status = 0; /* dg 2/27 always loads RISC */
1766 uint16_t mb[MAILBOX_REGISTER_COUNT];
1768 ENTER("qla1280_isp_firmware");
1770 dprintk(1, "scsi(%li): Determining if RISC is loaded\n", ha->host_no);
1772 /* Bad NVRAM data, load RISC code. */
1773 if (!ha->nvram_valid) {
1774 ha->flags.disable_risc_code_load = 0;
1776 ha->flags.disable_risc_code_load =
1777 nv->cntr_flags_1.disable_loading_risc_code;
1779 if (ha->flags.disable_risc_code_load) {
1780 dprintk(3, "qla1280_isp_firmware: Telling RISC to verify "
1781 "checksum of loaded BIOS code.\n");
1783 /* Verify checksum of loaded RISC code. */
1784 mb[0] = MBC_VERIFY_CHECKSUM;
1785 /* mb[1] = ql12_risc_code_addr01; */
1786 mb[1] = *ql1280_board_tbl[ha->devnum].fwstart;
1789 qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]))) {
1790 /* Start firmware execution. */
1791 dprintk(3, "qla1280_isp_firmware: Startng F/W "
1794 mb[0] = MBC_EXECUTE_FIRMWARE;
1795 /* mb[1] = ql12_risc_code_addr01; */
1796 mb[1] = *ql1280_board_tbl[ha->devnum].fwstart;
1797 qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]);
1799 printk(KERN_INFO "qla1280: RISC checksum failed.\n");
1801 dprintk(1, "qla1280: NVRAM configured to load RISC load.\n");
1806 dprintk(2, "qla1280_isp_firmware: **** Load RISC code ****\n");
1808 LEAVE("qla1280_isp_firmware");
1814 * Test chip for proper operation.
1817 * ha = adapter block pointer.
1823 qla1280_chip_diag(struct scsi_qla_host *ha)
1825 uint16_t mb[MAILBOX_REGISTER_COUNT];
1826 struct device_reg __iomem *reg = ha->iobase;
1830 dprintk(3, "qla1280_chip_diag: testing device at 0x%p \n", ®->id_l);
1832 dprintk(1, "scsi(%ld): Verifying chip\n", ha->host_no);
1834 /* Soft reset chip and wait for it to finish. */
1835 WRT_REG_WORD(®->ictrl, ISP_RESET);
1838 * We can't do a traditional PCI write flush here by reading
1839 * back the register. The card will not respond once the reset
1840 * is in action and we end up with a machine check exception
1841 * instead. Nothing to do but wait and hope for the best.
1842 * A portable pci_write_flush(pdev) call would be very useful here.
1845 data = qla1280_debounce_register(®->ictrl);
1847 * Yet another QLogic gem ;-(
1849 for (cnt = 1000000; cnt && data & ISP_RESET; cnt--) {
1851 data = RD_REG_WORD(®->ictrl);
1857 /* Reset register cleared by chip reset. */
1858 dprintk(3, "qla1280_chip_diag: reset register cleared by chip reset\n");
1860 WRT_REG_WORD(®->cfg_1, 0);
1862 /* Reset RISC and disable BIOS which
1863 allows RISC to execute out of RAM. */
1864 WRT_REG_WORD(®->host_cmd, HC_RESET_RISC |
1865 HC_RELEASE_RISC | HC_DISABLE_BIOS);
1867 RD_REG_WORD(®->id_l); /* Flush PCI write */
1868 data = qla1280_debounce_register(®->mailbox0);
1871 * I *LOVE* this code!
1873 for (cnt = 1000000; cnt && data == MBS_BUSY; cnt--) {
1875 data = RD_REG_WORD(®->mailbox0);
1881 /* Check product ID of chip */
1882 dprintk(3, "qla1280_chip_diag: Checking product ID of chip\n");
1884 if (RD_REG_WORD(®->mailbox1) != PROD_ID_1 ||
1885 (RD_REG_WORD(®->mailbox2) != PROD_ID_2 &&
1886 RD_REG_WORD(®->mailbox2) != PROD_ID_2a) ||
1887 RD_REG_WORD(®->mailbox3) != PROD_ID_3 ||
1888 RD_REG_WORD(®->mailbox4) != PROD_ID_4) {
1889 printk(KERN_INFO "qla1280: Wrong product ID = "
1890 "0x%x,0x%x,0x%x,0x%x\n",
1891 RD_REG_WORD(®->mailbox1),
1892 RD_REG_WORD(®->mailbox2),
1893 RD_REG_WORD(®->mailbox3),
1894 RD_REG_WORD(®->mailbox4));
1899 * Enable ints early!!!
1901 qla1280_enable_intrs(ha);
1903 dprintk(1, "qla1280_chip_diag: Checking mailboxes of chip\n");
1904 /* Wrap Incoming Mailboxes Test. */
1905 mb[0] = MBC_MAILBOX_REGISTER_TEST;
1914 status = qla1280_mailbox_command(ha, 0xff, mb);
1918 if (mb[1] != 0xAAAA || mb[2] != 0x5555 || mb[3] != 0xAA55 ||
1919 mb[4] != 0x55AA || mb[5] != 0xA5A5 || mb[6] != 0x5A5A ||
1921 printk(KERN_INFO "qla1280: Failed mbox check\n");
1925 dprintk(3, "qla1280_chip_diag: exiting normally\n");
1928 dprintk(2, "qla1280_chip_diag: **** FAILED ****\n");
1933 qla1280_load_firmware_pio(struct scsi_qla_host *ha)
1935 uint16_t risc_address, *risc_code_address, risc_code_size;
1936 uint16_t mb[MAILBOX_REGISTER_COUNT], i;
1939 /* Load RISC code. */
1940 risc_address = *ql1280_board_tbl[ha->devnum].fwstart;
1941 risc_code_address = ql1280_board_tbl[ha->devnum].fwcode;
1942 risc_code_size = *ql1280_board_tbl[ha->devnum].fwlen;
1944 for (i = 0; i < risc_code_size; i++) {
1945 mb[0] = MBC_WRITE_RAM_WORD;
1946 mb[1] = risc_address + i;
1947 mb[2] = risc_code_address[i];
1949 err = qla1280_mailbox_command(ha, BIT_0 | BIT_1 | BIT_2, mb);
1951 printk(KERN_ERR "scsi(%li): Failed to load firmware\n",
1960 #define DUMP_IT_BACK 0 /* for debug of RISC loading */
1962 qla1280_load_firmware_dma(struct scsi_qla_host *ha)
1964 uint16_t risc_address, *risc_code_address, risc_code_size;
1965 uint16_t mb[MAILBOX_REGISTER_COUNT], cnt;
1966 int err = 0, num, i;
1971 tbuf = pci_alloc_consistent(ha->pdev, 8000, &p_tbuf);
1976 /* Load RISC code. */
1977 risc_address = *ql1280_board_tbl[ha->devnum].fwstart;
1978 risc_code_address = ql1280_board_tbl[ha->devnum].fwcode;
1979 risc_code_size = *ql1280_board_tbl[ha->devnum].fwlen;
1981 dprintk(1, "%s: DMA RISC code (%i) words\n",
1982 __FUNCTION__, risc_code_size);
1985 while (risc_code_size > 0) {
1986 int warn __attribute__((unused)) = 0;
1990 if (cnt > risc_code_size)
1991 cnt = risc_code_size;
1993 dprintk(2, "qla1280_setup_chip: loading risc @ =(0x%p),"
1995 risc_code_address, cnt, num, risc_address);
1996 for(i = 0; i < cnt; i++)
1997 ((uint16_t *)ha->request_ring)[i] =
1998 cpu_to_le16(risc_code_address[i]);
2000 mb[0] = MBC_LOAD_RAM;
2001 mb[1] = risc_address;
2003 mb[3] = ha->request_dma & 0xffff;
2004 mb[2] = (ha->request_dma >> 16) & 0xffff;
2005 mb[7] = pci_dma_hi32(ha->request_dma) & 0xffff;
2006 mb[6] = pci_dma_hi32(ha->request_dma) >> 16;
2007 dprintk(2, "%s: op=%d 0x%p = 0x%4x,0x%4x,0x%4x,0x%4x\n",
2008 __FUNCTION__, mb[0],
2009 (void *)(long)ha->request_dma,
2010 mb[6], mb[7], mb[2], mb[3]);
2011 err = qla1280_mailbox_command(ha, BIT_4 | BIT_3 | BIT_2 |
2014 printk(KERN_ERR "scsi(%li): Failed to load partial "
2015 "segment of f\n", ha->host_no);
2020 mb[0] = MBC_DUMP_RAM;
2021 mb[1] = risc_address;
2023 mb[3] = p_tbuf & 0xffff;
2024 mb[2] = (p_tbuf >> 16) & 0xffff;
2025 mb[7] = pci_dma_hi32(p_tbuf) & 0xffff;
2026 mb[6] = pci_dma_hi32(p_tbuf) >> 16;
2028 err = qla1280_mailbox_command(ha, BIT_4 | BIT_3 | BIT_2 |
2032 "Failed to dump partial segment of f/w\n");
2035 sp = (uint8_t *)ha->request_ring;
2036 for (i = 0; i < (cnt << 1); i++) {
2037 if (tbuf[i] != sp[i] && warn++ < 10) {
2038 printk(KERN_ERR "%s: FW compare error @ "
2039 "byte(0x%x) loop#=%x\n",
2040 __FUNCTION__, i, num);
2041 printk(KERN_ERR "%s: FWbyte=%x "
2043 __FUNCTION__, sp[i], tbuf[i]);
2048 risc_address += cnt;
2049 risc_code_size = risc_code_size - cnt;
2050 risc_code_address = risc_code_address + cnt;
2056 pci_free_consistent(ha->pdev, 8000, tbuf, p_tbuf);
2062 qla1280_start_firmware(struct scsi_qla_host *ha)
2064 uint16_t mb[MAILBOX_REGISTER_COUNT];
2067 dprintk(1, "%s: Verifying checksum of loaded RISC code.\n",
2070 /* Verify checksum of loaded RISC code. */
2071 mb[0] = MBC_VERIFY_CHECKSUM;
2072 /* mb[1] = ql12_risc_code_addr01; */
2073 mb[1] = *ql1280_board_tbl[ha->devnum].fwstart;
2074 err = qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb);
2076 printk(KERN_ERR "scsi(%li): Failed checksum\n", ha->host_no);
2080 /* Start firmware execution. */
2081 dprintk(1, "%s: start firmware running.\n", __FUNCTION__);
2082 mb[0] = MBC_EXECUTE_FIRMWARE;
2083 mb[1] = *ql1280_board_tbl[ha->devnum].fwstart;
2084 err = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]);
2086 printk(KERN_ERR "scsi(%li): Failed to start firmware\n",
2094 qla1280_load_firmware(struct scsi_qla_host *ha)
2098 /* If firmware needs to be loaded */
2099 if (!qla1280_isp_firmware(ha)) {
2100 printk(KERN_ERR "scsi(%li): isp_firmware() failed!\n",
2105 err = qla1280_chip_diag(ha);
2109 err = qla1280_load_firmware_pio(ha);
2111 err = qla1280_load_firmware_dma(ha);
2114 err = qla1280_start_firmware(ha);
2123 * ha = adapter block pointer.
2124 * ha->request_ring = request ring virtual address
2125 * ha->response_ring = response ring virtual address
2126 * ha->request_dma = request ring physical address
2127 * ha->response_dma = response ring physical address
2133 qla1280_init_rings(struct scsi_qla_host *ha)
2135 uint16_t mb[MAILBOX_REGISTER_COUNT];
2138 ENTER("qla1280_init_rings");
2140 /* Clear outstanding commands array. */
2141 memset(ha->outstanding_cmds, 0,
2142 sizeof(struct srb *) * MAX_OUTSTANDING_COMMANDS);
2144 /* Initialize request queue. */
2145 ha->request_ring_ptr = ha->request_ring;
2146 ha->req_ring_index = 0;
2147 ha->req_q_cnt = REQUEST_ENTRY_CNT;
2148 /* mb[0] = MBC_INIT_REQUEST_QUEUE; */
2149 mb[0] = MBC_INIT_REQUEST_QUEUE_A64;
2150 mb[1] = REQUEST_ENTRY_CNT;
2151 mb[3] = ha->request_dma & 0xffff;
2152 mb[2] = (ha->request_dma >> 16) & 0xffff;
2154 mb[7] = pci_dma_hi32(ha->request_dma) & 0xffff;
2155 mb[6] = pci_dma_hi32(ha->request_dma) >> 16;
2156 if (!(status = qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_4 |
2157 BIT_3 | BIT_2 | BIT_1 | BIT_0,
2159 /* Initialize response queue. */
2160 ha->response_ring_ptr = ha->response_ring;
2161 ha->rsp_ring_index = 0;
2162 /* mb[0] = MBC_INIT_RESPONSE_QUEUE; */
2163 mb[0] = MBC_INIT_RESPONSE_QUEUE_A64;
2164 mb[1] = RESPONSE_ENTRY_CNT;
2165 mb[3] = ha->response_dma & 0xffff;
2166 mb[2] = (ha->response_dma >> 16) & 0xffff;
2168 mb[7] = pci_dma_hi32(ha->response_dma) & 0xffff;
2169 mb[6] = pci_dma_hi32(ha->response_dma) >> 16;
2170 status = qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_5 |
2171 BIT_3 | BIT_2 | BIT_1 | BIT_0,
2176 dprintk(2, "qla1280_init_rings: **** FAILED ****\n");
2178 LEAVE("qla1280_init_rings");
2183 qla1280_print_settings(struct nvram *nv)
2185 dprintk(1, "qla1280 : initiator scsi id bus[0]=%d\n",
2186 nv->bus[0].config_1.initiator_id);
2187 dprintk(1, "qla1280 : initiator scsi id bus[1]=%d\n",
2188 nv->bus[1].config_1.initiator_id);
2190 dprintk(1, "qla1280 : bus reset delay[0]=%d\n",
2191 nv->bus[0].bus_reset_delay);
2192 dprintk(1, "qla1280 : bus reset delay[1]=%d\n",
2193 nv->bus[1].bus_reset_delay);
2195 dprintk(1, "qla1280 : retry count[0]=%d\n", nv->bus[0].retry_count);
2196 dprintk(1, "qla1280 : retry delay[0]=%d\n", nv->bus[0].retry_delay);
2197 dprintk(1, "qla1280 : retry count[1]=%d\n", nv->bus[1].retry_count);
2198 dprintk(1, "qla1280 : retry delay[1]=%d\n", nv->bus[1].retry_delay);
2200 dprintk(1, "qla1280 : async data setup time[0]=%d\n",
2201 nv->bus[0].config_2.async_data_setup_time);
2202 dprintk(1, "qla1280 : async data setup time[1]=%d\n",
2203 nv->bus[1].config_2.async_data_setup_time);
2205 dprintk(1, "qla1280 : req/ack active negation[0]=%d\n",
2206 nv->bus[0].config_2.req_ack_active_negation);
2207 dprintk(1, "qla1280 : req/ack active negation[1]=%d\n",
2208 nv->bus[1].config_2.req_ack_active_negation);
2210 dprintk(1, "qla1280 : data line active negation[0]=%d\n",
2211 nv->bus[0].config_2.data_line_active_negation);
2212 dprintk(1, "qla1280 : data line active negation[1]=%d\n",
2213 nv->bus[1].config_2.data_line_active_negation);
2215 dprintk(1, "qla1280 : disable loading risc code=%d\n",
2216 nv->cntr_flags_1.disable_loading_risc_code);
2218 dprintk(1, "qla1280 : enable 64bit addressing=%d\n",
2219 nv->cntr_flags_1.enable_64bit_addressing);
2221 dprintk(1, "qla1280 : selection timeout limit[0]=%d\n",
2222 nv->bus[0].selection_timeout);
2223 dprintk(1, "qla1280 : selection timeout limit[1]=%d\n",
2224 nv->bus[1].selection_timeout);
2226 dprintk(1, "qla1280 : max queue depth[0]=%d\n",
2227 nv->bus[0].max_queue_depth);
2228 dprintk(1, "qla1280 : max queue depth[1]=%d\n",
2229 nv->bus[1].max_queue_depth);
2233 qla1280_set_target_defaults(struct scsi_qla_host *ha, int bus, int target)
2235 struct nvram *nv = &ha->nvram;
2237 nv->bus[bus].target[target].parameter.f.renegotiate_on_error = 1;
2238 nv->bus[bus].target[target].parameter.f.auto_request_sense = 1;
2239 nv->bus[bus].target[target].parameter.f.tag_queuing = 1;
2240 nv->bus[bus].target[target].parameter.f.enable_sync = 1;
2241 #if 1 /* Some SCSI Processors do not seem to like this */
2242 nv->bus[bus].target[target].parameter.f.enable_wide = 1;
2244 nv->bus[bus].target[target].parameter.f.parity_checking = 1;
2245 nv->bus[bus].target[target].parameter.f.disconnect_allowed = 1;
2246 nv->bus[bus].target[target].execution_throttle =
2247 nv->bus[bus].max_queue_depth - 1;
2249 if (IS_ISP1x160(ha)) {
2250 nv->bus[bus].target[target].flags.flags1x160.device_enable = 1;
2251 nv->bus[bus].target[target].flags.flags1x160.sync_offset = 0x0e;
2252 nv->bus[bus].target[target].sync_period = 9;
2253 nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 1;
2254 nv->bus[bus].target[target].ppr_1x160.flags.ppr_options = 2;
2255 nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width = 1;
2257 nv->bus[bus].target[target].flags.flags1x80.device_enable = 1;
2258 nv->bus[bus].target[target].flags.flags1x80.sync_offset = 12;
2259 nv->bus[bus].target[target].sync_period = 10;
2264 qla1280_set_defaults(struct scsi_qla_host *ha)
2266 struct nvram *nv = &ha->nvram;
2269 dprintk(1, "Using defaults for NVRAM: \n");
2270 memset(nv, 0, sizeof(struct nvram));
2272 /* nv->cntr_flags_1.disable_loading_risc_code = 1; */
2273 nv->firmware_feature.f.enable_fast_posting = 1;
2274 nv->firmware_feature.f.disable_synchronous_backoff = 1;
2275 nv->termination.f.scsi_bus_0_control = 3;
2276 nv->termination.f.scsi_bus_1_control = 3;
2277 nv->termination.f.auto_term_support = 1;
2280 * Set default FIFO magic - What appropriate values would be here
2281 * is unknown. This is what I have found testing with 12160s.
2283 * Now, I would love the magic decoder ring for this one, the
2284 * header file provided by QLogic seems to be bogus or incomplete
2287 nv->isp_config.c = ISP_CFG1_BENAB|ISP_CFG1_F128;
2288 if (IS_ISP1x160(ha))
2289 nv->isp_parameter = 0x01; /* fast memory enable */
2291 for (bus = 0; bus < MAX_BUSES; bus++) {
2292 nv->bus[bus].config_1.initiator_id = 7;
2293 nv->bus[bus].config_2.req_ack_active_negation = 1;
2294 nv->bus[bus].config_2.data_line_active_negation = 1;
2295 nv->bus[bus].selection_timeout = 250;
2296 nv->bus[bus].max_queue_depth = 256;
2298 if (IS_ISP1040(ha)) {
2299 nv->bus[bus].bus_reset_delay = 3;
2300 nv->bus[bus].config_2.async_data_setup_time = 6;
2301 nv->bus[bus].retry_delay = 1;
2303 nv->bus[bus].bus_reset_delay = 5;
2304 nv->bus[bus].config_2.async_data_setup_time = 8;
2307 for (target = 0; target < MAX_TARGETS; target++)
2308 qla1280_set_target_defaults(ha, bus, target);
2313 qla1280_config_target(struct scsi_qla_host *ha, int bus, int target)
2315 struct nvram *nv = &ha->nvram;
2316 uint16_t mb[MAILBOX_REGISTER_COUNT];
2319 /* Set Target Parameters. */
2320 mb[0] = MBC_SET_TARGET_PARAMETERS;
2321 mb[1] = (uint16_t) (bus ? target | BIT_7 : target);
2325 * Do not enable wide, sync, and ppr for the initial
2326 * INQUIRY run. We enable this later if we determine
2327 * the target actually supports it.
2329 nv->bus[bus].target[target].parameter.f.
2330 auto_request_sense = 1;
2331 nv->bus[bus].target[target].parameter.f.
2332 stop_queue_on_check = 0;
2334 if (IS_ISP1x160(ha))
2335 nv->bus[bus].target[target].ppr_1x160.
2336 flags.enable_ppr = 0;
2339 * No sync, wide, etc. while probing
2341 mb[2] = (nv->bus[bus].target[target].parameter.c << 8) &
2342 ~(TP_SYNC /*| TP_WIDE | TP_PPR*/);
2344 if (IS_ISP1x160(ha))
2345 mb[3] = nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8;
2347 mb[3] = nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8;
2348 mb[3] |= nv->bus[bus].target[target].sync_period;
2350 status = qla1280_mailbox_command(ha, BIT_3 | BIT_2 | BIT_1 | BIT_0, &mb[0]);
2352 /* Save Tag queuing enable flag. */
2353 mb[0] = BIT_0 << target;
2354 if (nv->bus[bus].target[target].parameter.f.tag_queuing)
2355 ha->bus_settings[bus].qtag_enables |= mb[0];
2357 /* Save Device enable flag. */
2358 if (IS_ISP1x160(ha)) {
2359 if (nv->bus[bus].target[target].flags.flags1x160.device_enable)
2360 ha->bus_settings[bus].device_enables |= mb[0];
2361 ha->bus_settings[bus].lun_disables |= 0;
2363 if (nv->bus[bus].target[target].flags.flags1x80.device_enable)
2364 ha->bus_settings[bus].device_enables |= mb[0];
2365 /* Save LUN disable flag. */
2366 if (nv->bus[bus].target[target].flags.flags1x80.lun_disable)
2367 ha->bus_settings[bus].lun_disables |= mb[0];
2370 /* Set Device Queue Parameters. */
2371 for (lun = 0; lun < MAX_LUNS; lun++) {
2372 mb[0] = MBC_SET_DEVICE_QUEUE;
2373 mb[1] = (uint16_t)(bus ? target | BIT_7 : target);
2374 mb[1] = mb[1] << 8 | lun;
2375 mb[2] = nv->bus[bus].max_queue_depth;
2376 mb[3] = nv->bus[bus].target[target].execution_throttle;
2377 status |= qla1280_mailbox_command(ha, 0x0f, &mb[0]);
2384 qla1280_config_bus(struct scsi_qla_host *ha, int bus)
2386 struct nvram *nv = &ha->nvram;
2387 uint16_t mb[MAILBOX_REGISTER_COUNT];
2390 /* SCSI Reset Disable. */
2391 ha->bus_settings[bus].disable_scsi_reset =
2392 nv->bus[bus].config_1.scsi_reset_disable;
2395 ha->bus_settings[bus].id = nv->bus[bus].config_1.initiator_id;
2396 mb[0] = MBC_SET_INITIATOR_ID;
2397 mb[1] = bus ? ha->bus_settings[bus].id | BIT_7 :
2398 ha->bus_settings[bus].id;
2399 status = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]);
2402 ha->bus_settings[bus].bus_reset_delay =
2403 nv->bus[bus].bus_reset_delay;
2405 /* Command queue depth per device. */
2406 ha->bus_settings[bus].hiwat = nv->bus[bus].max_queue_depth - 1;
2408 /* Set target parameters. */
2409 for (target = 0; target < MAX_TARGETS; target++)
2410 status |= qla1280_config_target(ha, bus, target);
2416 qla1280_nvram_config(struct scsi_qla_host *ha)
2418 struct device_reg __iomem *reg = ha->iobase;
2419 struct nvram *nv = &ha->nvram;
2420 int bus, target, status = 0;
2421 uint16_t mb[MAILBOX_REGISTER_COUNT];
2424 ENTER("qla1280_nvram_config");
2426 if (ha->nvram_valid) {
2427 /* Always force AUTO sense for LINUX SCSI */
2428 for (bus = 0; bus < MAX_BUSES; bus++)
2429 for (target = 0; target < MAX_TARGETS; target++) {
2430 nv->bus[bus].target[target].parameter.f.
2431 auto_request_sense = 1;
2434 qla1280_set_defaults(ha);
2437 qla1280_print_settings(nv);
2439 /* Disable RISC load of firmware. */
2440 ha->flags.disable_risc_code_load =
2441 nv->cntr_flags_1.disable_loading_risc_code;
2443 if (IS_ISP1040(ha)) {
2444 uint16_t hwrev, cfg1, cdma_conf, ddma_conf;
2446 hwrev = RD_REG_WORD(®->cfg_0) & ISP_CFG0_HWMSK;
2448 cfg1 = RD_REG_WORD(®->cfg_1);
2449 cdma_conf = RD_REG_WORD(®->cdma_cfg);
2450 ddma_conf = RD_REG_WORD(®->ddma_cfg);
2452 /* Busted fifo, says mjacob. */
2453 if (hwrev == ISP_CFG0_1040A)
2454 WRT_REG_WORD(®->cfg_1, cfg1 | ISP_CFG1_F64);
2456 WRT_REG_WORD(®->cfg_1, cfg1 | ISP_CFG1_F64 | ISP_CFG1_BENAB);
2458 WRT_REG_WORD(®->cdma_cfg, cdma_conf | CDMA_CONF_BENAB);
2459 WRT_REG_WORD(®->ddma_cfg, cdma_conf | DDMA_CONF_BENAB);
2461 /* Set ISP hardware DMA burst */
2462 mb[0] = nv->isp_config.c;
2463 /* Enable DMA arbitration on dual channel controllers */
2466 WRT_REG_WORD(®->cfg_1, mb[0]);
2468 /* Set SCSI termination. */
2469 WRT_REG_WORD(®->gpio_enable, (BIT_3 + BIT_2 + BIT_1 + BIT_0));
2470 mb[0] = nv->termination.c & (BIT_3 + BIT_2 + BIT_1 + BIT_0);
2471 WRT_REG_WORD(®->gpio_data, mb[0]);
2474 /* ISP parameter word. */
2475 mb[0] = MBC_SET_SYSTEM_PARAMETER;
2476 mb[1] = nv->isp_parameter;
2477 status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]);
2479 if (IS_ISP1x40(ha)) {
2480 /* clock rate - for qla1240 and older, only */
2481 mb[0] = MBC_SET_CLOCK_RATE;
2483 status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb);
2486 /* Firmware feature word. */
2487 mb[0] = MBC_SET_FIRMWARE_FEATURES;
2488 mask = BIT_5 | BIT_1 | BIT_0;
2489 mb[1] = le16_to_cpu(nv->firmware_feature.w) & (mask);
2490 #if defined(CONFIG_IA64_GENERIC) || defined (CONFIG_IA64_SGI_SN2)
2491 if (ia64_platform_is("sn2")) {
2492 printk(KERN_INFO "scsi(%li): Enabling SN2 PCI DMA "
2493 "workaround\n", ha->host_no);
2497 status |= qla1280_mailbox_command(ha, mask, &mb[0]);
2499 /* Retry count and delay. */
2500 mb[0] = MBC_SET_RETRY_COUNT;
2501 mb[1] = nv->bus[0].retry_count;
2502 mb[2] = nv->bus[0].retry_delay;
2503 mb[6] = nv->bus[1].retry_count;
2504 mb[7] = nv->bus[1].retry_delay;
2505 status |= qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_2 |
2506 BIT_1 | BIT_0, &mb[0]);
2508 /* ASYNC data setup time. */
2509 mb[0] = MBC_SET_ASYNC_DATA_SETUP;
2510 mb[1] = nv->bus[0].config_2.async_data_setup_time;
2511 mb[2] = nv->bus[1].config_2.async_data_setup_time;
2512 status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]);
2514 /* Active negation states. */
2515 mb[0] = MBC_SET_ACTIVE_NEGATION;
2517 if (nv->bus[0].config_2.req_ack_active_negation)
2519 if (nv->bus[0].config_2.data_line_active_negation)
2522 if (nv->bus[1].config_2.req_ack_active_negation)
2524 if (nv->bus[1].config_2.data_line_active_negation)
2526 status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]);
2528 mb[0] = MBC_SET_DATA_OVERRUN_RECOVERY;
2529 mb[1] = 2; /* Reset SCSI bus and return all outstanding IO */
2530 status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]);
2533 mb[0] = MBC_SET_PCI_CONTROL;
2534 mb[1] = 2; /* Data DMA Channel Burst Enable */
2535 mb[2] = 2; /* Command DMA Channel Burst Enable */
2536 status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]);
2538 mb[0] = MBC_SET_TAG_AGE_LIMIT;
2540 status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]);
2542 /* Selection timeout. */
2543 mb[0] = MBC_SET_SELECTION_TIMEOUT;
2544 mb[1] = nv->bus[0].selection_timeout;
2545 mb[2] = nv->bus[1].selection_timeout;
2546 status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]);
2548 for (bus = 0; bus < ha->ports; bus++)
2549 status |= qla1280_config_bus(ha, bus);
2552 dprintk(2, "qla1280_nvram_config: **** FAILED ****\n");
2554 LEAVE("qla1280_nvram_config");
2559 * Get NVRAM data word
2560 * Calculates word position in NVRAM and calls request routine to
2561 * get the word from NVRAM.
2564 * ha = adapter block pointer.
2565 * address = NVRAM word address.
2571 qla1280_get_nvram_word(struct scsi_qla_host *ha, uint32_t address)
2576 nv_cmd = address << 16;
2577 nv_cmd |= NV_READ_OP;
2579 data = le16_to_cpu(qla1280_nvram_request(ha, nv_cmd));
2581 dprintk(8, "qla1280_get_nvram_word: exiting normally NVRAM data = "
2589 * Sends read command to NVRAM and gets data from NVRAM.
2592 * ha = adapter block pointer.
2593 * nv_cmd = Bit 26 = start bit
2594 * Bit 25, 24 = opcode
2595 * Bit 23-16 = address
2596 * Bit 15-0 = write data
2602 qla1280_nvram_request(struct scsi_qla_host *ha, uint32_t nv_cmd)
2604 struct device_reg __iomem *reg = ha->iobase;
2609 /* Send command to NVRAM. */
2612 for (cnt = 0; cnt < 11; cnt++) {
2613 if (nv_cmd & BIT_31)
2614 qla1280_nv_write(ha, NV_DATA_OUT);
2616 qla1280_nv_write(ha, 0);
2620 /* Read data from NVRAM. */
2622 for (cnt = 0; cnt < 16; cnt++) {
2623 WRT_REG_WORD(®->nvram, (NV_SELECT | NV_CLOCK));
2624 RD_REG_WORD(®->id_l); /* Flush PCI write */
2627 reg_data = RD_REG_WORD(®->nvram);
2628 if (reg_data & NV_DATA_IN)
2630 WRT_REG_WORD(®->nvram, NV_SELECT);
2631 RD_REG_WORD(®->id_l); /* Flush PCI write */
2635 /* Deselect chip. */
2637 WRT_REG_WORD(®->nvram, NV_DESELECT);
2638 RD_REG_WORD(®->id_l); /* Flush PCI write */
2645 qla1280_nv_write(struct scsi_qla_host *ha, uint16_t data)
2647 struct device_reg __iomem *reg = ha->iobase;
2649 WRT_REG_WORD(®->nvram, data | NV_SELECT);
2650 RD_REG_WORD(®->id_l); /* Flush PCI write */
2652 WRT_REG_WORD(®->nvram, data | NV_SELECT | NV_CLOCK);
2653 RD_REG_WORD(®->id_l); /* Flush PCI write */
2655 WRT_REG_WORD(®->nvram, data | NV_SELECT);
2656 RD_REG_WORD(®->id_l); /* Flush PCI write */
2662 * Issue mailbox command and waits for completion.
2665 * ha = adapter block pointer.
2666 * mr = mailbox registers to load.
2667 * mb = data pointer for mailbox registers.
2670 * mb[MAILBOX_REGISTER_COUNT] = returned mailbox data.
2676 qla1280_mailbox_command(struct scsi_qla_host *ha, uint8_t mr, uint16_t *mb)
2678 struct device_reg __iomem *reg = ha->iobase;
2684 uint16_t *optr, *iptr;
2685 uint16_t __iomem *mptr;
2687 DECLARE_COMPLETION(wait);
2688 struct timer_list timer;
2690 ENTER("qla1280_mailbox_command");
2692 if (ha->mailbox_wait) {
2693 printk(KERN_ERR "Warning mailbox wait already in use!\n");
2695 ha->mailbox_wait = &wait;
2698 * We really should start out by verifying that the mailbox is
2699 * available before starting sending the command data
2701 /* Load mailbox registers. */
2702 mptr = (uint16_t __iomem *) ®->mailbox0;
2704 for (cnt = 0; cnt < MAILBOX_REGISTER_COUNT; cnt++) {
2706 WRT_REG_WORD(mptr, (*iptr));
2714 /* Issue set host interrupt command. */
2716 /* set up a timer just in case we're really jammed */
2718 timer.expires = jiffies + 20*HZ;
2719 timer.data = (unsigned long)ha;
2720 timer.function = qla1280_mailbox_timeout;
2723 spin_unlock_irq(HOST_LOCK);
2724 WRT_REG_WORD(®->host_cmd, HC_SET_HOST_INT);
2725 data = qla1280_debounce_register(®->istatus);
2727 wait_for_completion(&wait);
2728 del_timer_sync(&timer);
2730 spin_lock_irq(HOST_LOCK);
2732 ha->mailbox_wait = NULL;
2734 /* Check for mailbox command timeout. */
2735 if (ha->mailbox_out[0] != MBS_CMD_CMP) {
2736 printk(KERN_WARNING "qla1280_mailbox_command: Command failed, "
2737 "mailbox0 = 0x%04x, mailbox_out0 = 0x%04x, istatus = "
2739 mb[0], ha->mailbox_out[0], RD_REG_WORD(®->istatus));
2740 printk(KERN_WARNING "m0 %04x, m1 %04x, m2 %04x, m3 %04x\n",
2741 RD_REG_WORD(®->mailbox0), RD_REG_WORD(®->mailbox1),
2742 RD_REG_WORD(®->mailbox2), RD_REG_WORD(®->mailbox3));
2743 printk(KERN_WARNING "m4 %04x, m5 %04x, m6 %04x, m7 %04x\n",
2744 RD_REG_WORD(®->mailbox4), RD_REG_WORD(®->mailbox5),
2745 RD_REG_WORD(®->mailbox6), RD_REG_WORD(®->mailbox7));
2749 /* Load return mailbox registers. */
2751 iptr = (uint16_t *) &ha->mailbox_out[0];
2752 mr = MAILBOX_REGISTER_COUNT;
2753 memcpy(optr, iptr, MAILBOX_REGISTER_COUNT * sizeof(uint16_t));
2756 /* Go check for any response interrupts pending. */
2757 qla1280_isr(ha, &done_q);
2760 if (ha->flags.reset_marker)
2761 qla1280_rst_aen(ha);
2764 if (!list_empty(&done_q))
2765 qla1280_done(ha, &done_q);
2769 dprintk(2, "qla1280_mailbox_command: **** FAILED, mailbox0 = "
2770 "0x%x ****\n", mb[0]);
2772 LEAVE("qla1280_mailbox_command");
2778 * Polls ISP for interrupts.
2781 * ha = adapter block pointer.
2784 qla1280_poll(struct scsi_qla_host *ha)
2786 struct device_reg __iomem *reg = ha->iobase;
2790 /* ENTER("qla1280_poll"); */
2792 /* Check for pending interrupts. */
2793 data = RD_REG_WORD(®->istatus);
2794 if (data & RISC_INT)
2795 qla1280_isr(ha, &done_q);
2797 if (!ha->mailbox_wait) {
2798 if (ha->flags.reset_marker)
2799 qla1280_rst_aen(ha);
2802 if (!list_empty(&done_q))
2805 /* LEAVE("qla1280_poll"); */
2810 * Issue SCSI bus reset.
2813 * ha = adapter block pointer.
2814 * bus = SCSI bus number.
2820 qla1280_bus_reset(struct scsi_qla_host *ha, int bus)
2822 uint16_t mb[MAILBOX_REGISTER_COUNT];
2823 uint16_t reset_delay;
2826 dprintk(3, "qla1280_bus_reset: entered\n");
2828 if (qla1280_verbose)
2829 printk(KERN_INFO "scsi(%li:%i): Resetting SCSI BUS\n",
2832 reset_delay = ha->bus_settings[bus].bus_reset_delay;
2833 mb[0] = MBC_BUS_RESET;
2834 mb[1] = reset_delay;
2835 mb[2] = (uint16_t) bus;
2836 status = qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]);
2839 if (ha->bus_settings[bus].failed_reset_count > 2)
2840 ha->bus_settings[bus].scsi_bus_dead = 1;
2841 ha->bus_settings[bus].failed_reset_count++;
2843 spin_unlock_irq(HOST_LOCK);
2844 schedule_timeout(reset_delay * HZ);
2845 spin_lock_irq(HOST_LOCK);
2847 ha->bus_settings[bus].scsi_bus_dead = 0;
2848 ha->bus_settings[bus].failed_reset_count = 0;
2849 ha->bus_settings[bus].reset_marker = 0;
2850 /* Issue marker command. */
2851 qla1280_marker(ha, bus, 0, 0, MK_SYNC_ALL);
2855 * We should probably call qla1280_set_target_parameters()
2856 * here as well for all devices on the bus.
2860 dprintk(2, "qla1280_bus_reset: **** FAILED ****\n");
2862 dprintk(3, "qla1280_bus_reset: exiting normally\n");
2868 * qla1280_device_reset
2869 * Issue bus device reset message to the target.
2872 * ha = adapter block pointer.
2873 * bus = SCSI BUS number.
2880 qla1280_device_reset(struct scsi_qla_host *ha, int bus, int target)
2882 uint16_t mb[MAILBOX_REGISTER_COUNT];
2885 ENTER("qla1280_device_reset");
2887 mb[0] = MBC_ABORT_TARGET;
2888 mb[1] = (bus ? (target | BIT_7) : target) << 8;
2890 status = qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]);
2892 /* Issue marker command. */
2893 qla1280_marker(ha, bus, target, 0, MK_SYNC_ID);
2896 dprintk(2, "qla1280_device_reset: **** FAILED ****\n");
2898 LEAVE("qla1280_device_reset");
2903 * qla1280_abort_device
2904 * Issue an abort message to the device
2907 * ha = adapter block pointer.
2916 qla1280_abort_device(struct scsi_qla_host *ha, int bus, int target, int lun)
2918 uint16_t mb[MAILBOX_REGISTER_COUNT];
2921 ENTER("qla1280_abort_device");
2923 mb[0] = MBC_ABORT_DEVICE;
2924 mb[1] = (bus ? target | BIT_7 : target) << 8 | lun;
2925 status = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]);
2927 /* Issue marker command. */
2928 qla1280_marker(ha, bus, target, lun, MK_SYNC_ID_LUN);
2931 dprintk(2, "qla1280_abort_device: **** FAILED ****\n");
2933 LEAVE("qla1280_abort_device");
2938 * qla1280_abort_command
2939 * Abort command aborts a specified IOCB.
2942 * ha = adapter block pointer.
2943 * sp = SB structure pointer.
2949 qla1280_abort_command(struct scsi_qla_host *ha, struct srb * sp, int handle)
2951 uint16_t mb[MAILBOX_REGISTER_COUNT];
2952 unsigned int bus, target, lun;
2955 ENTER("qla1280_abort_command");
2957 bus = SCSI_BUS_32(sp->cmd);
2958 target = SCSI_TCN_32(sp->cmd);
2959 lun = SCSI_LUN_32(sp->cmd);
2961 sp->flags |= SRB_ABORT_PENDING;
2963 mb[0] = MBC_ABORT_COMMAND;
2964 mb[1] = (bus ? target | BIT_7 : target) << 8 | lun;
2965 mb[2] = handle >> 16;
2966 mb[3] = handle & 0xffff;
2967 status = qla1280_mailbox_command(ha, 0x0f, &mb[0]);
2970 dprintk(2, "qla1280_abort_command: **** FAILED ****\n");
2971 sp->flags &= ~SRB_ABORT_PENDING;
2975 LEAVE("qla1280_abort_command");
2980 * qla1280_reset_adapter
2984 * ha = adapter block pointer.
2987 qla1280_reset_adapter(struct scsi_qla_host *ha)
2989 struct device_reg __iomem *reg = ha->iobase;
2991 ENTER("qla1280_reset_adapter");
2993 /* Disable ISP chip */
2994 ha->flags.online = 0;
2995 WRT_REG_WORD(®->ictrl, ISP_RESET);
2996 WRT_REG_WORD(®->host_cmd,
2997 HC_RESET_RISC | HC_RELEASE_RISC | HC_DISABLE_BIOS);
2998 RD_REG_WORD(®->id_l); /* Flush PCI write */
3000 LEAVE("qla1280_reset_adapter");
3004 * Issue marker command.
3005 * Function issues marker IOCB.
3008 * ha = adapter block pointer.
3009 * bus = SCSI BUS number
3012 * type = marker modifier
3015 qla1280_marker(struct scsi_qla_host *ha, int bus, int id, int lun, u8 type)
3017 struct mrk_entry *pkt;
3019 ENTER("qla1280_marker");
3021 /* Get request packet. */
3022 if ((pkt = (struct mrk_entry *) qla1280_req_pkt(ha))) {
3023 pkt->entry_type = MARKER_TYPE;
3024 pkt->lun = (uint8_t) lun;
3025 pkt->target = (uint8_t) (bus ? (id | BIT_7) : id);
3026 pkt->modifier = type;
3027 pkt->entry_status = 0;
3029 /* Issue command to ISP */
3030 qla1280_isp_cmd(ha);
3033 LEAVE("qla1280_marker");
3038 * qla1280_64bit_start_scsi
3039 * The start SCSI is responsible for building request packets on
3040 * request ring and modifying ISP input pointer.
3043 * ha = adapter block pointer.
3044 * sp = SB structure pointer.
3047 * 0 = success, was able to issue command.
3049 #ifdef QLA_64BIT_PTR
3051 qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
3053 struct device_reg __iomem *reg = ha->iobase;
3054 struct scsi_cmnd *cmd = sp->cmd;
3055 cmd_a64_entry_t *pkt;
3056 struct scatterlist *sg = NULL;
3058 dma_addr_t dma_handle;
3065 ENTER("qla1280_64bit_start_scsi:");
3067 /* Calculate number of entries and segments required. */
3070 sg = (struct scatterlist *) cmd->request_buffer;
3071 seg_cnt = pci_map_sg(ha->pdev, sg, cmd->use_sg,
3072 cmd->sc_data_direction);
3075 req_cnt += (seg_cnt - 2) / 5;
3076 if ((seg_cnt - 2) % 5)
3079 } else if (cmd->request_bufflen) { /* If data transfer. */
3085 if ((req_cnt + 2) >= ha->req_q_cnt) {
3086 /* Calculate number of free request entries. */
3087 cnt = RD_REG_WORD(®->mailbox4);
3088 if (ha->req_ring_index < cnt)
3089 ha->req_q_cnt = cnt - ha->req_ring_index;
3092 REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt);
3095 /* If room for request in request ring. */
3096 if ((req_cnt + 2) >= ha->req_q_cnt) {
3098 dprintk(2, "qla1280_64bit_start_scsi: in-ptr=0x%x req_q_cnt="
3099 "0x%xreq_cnt=0x%x", ha->req_ring_index, ha->req_q_cnt,
3104 /* Check for room in outstanding command list. */
3105 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS &&
3106 ha->outstanding_cmds[cnt] != 0; cnt++);
3108 if (cnt >= MAX_OUTSTANDING_COMMANDS) {
3110 dprintk(2, "qla1280_64bit_start_scsi: NO ROOM IN "
3111 "OUTSTANDING ARRAY, req_q_cnt=0x%x", ha->req_q_cnt);
3115 ha->outstanding_cmds[cnt] = sp;
3116 ha->req_q_cnt -= req_cnt;
3117 CMD_HANDLE(sp->cmd) = (unsigned char *)(unsigned long)(cnt + 1);
3119 dprintk(2, "64bit_start: cmd=%p sp=%p CDB=%xm, handle %lx\n", cmd, sp,
3120 cmd->cmnd[0], (long)CMD_HANDLE(sp->cmd));
3121 dprintk(2, " bus %i, target %i, lun %i\n",
3122 SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
3123 qla1280_dump_buffer(2, cmd->cmnd, MAX_COMMAND_SIZE);
3126 * Build command packet.
3128 pkt = (cmd_a64_entry_t *) ha->request_ring_ptr;
3130 pkt->entry_type = COMMAND_A64_TYPE;
3131 pkt->entry_count = (uint8_t) req_cnt;
3132 pkt->sys_define = (uint8_t) ha->req_ring_index;
3133 pkt->entry_status = 0;
3134 pkt->handle = cpu_to_le32(cnt);
3136 /* Zero out remaining portion of packet. */
3137 memset(((char *)pkt + 8), 0, (REQUEST_ENTRY_SIZE - 8));
3139 /* Set ISP command timeout. */
3140 pkt->timeout = cpu_to_le16(30);
3142 /* Set device target ID and LUN */
3143 pkt->lun = SCSI_LUN_32(cmd);
3144 pkt->target = SCSI_BUS_32(cmd) ?
3145 (SCSI_TCN_32(cmd) | BIT_7) : SCSI_TCN_32(cmd);
3147 /* Enable simple tag queuing if device supports it. */
3148 if (DEV_SIMPLE_TAGS(cmd->device))
3149 pkt->control_flags |= cpu_to_le16(BIT_3);
3151 /* Load SCSI command packet. */
3152 pkt->cdb_len = cpu_to_le16(CMD_CDBLEN(cmd));
3153 memcpy(pkt->scsi_cdb, &(CMD_CDBP(cmd)), CMD_CDBLEN(cmd));
3154 /* dprintk(1, "Build packet for command[0]=0x%x\n",pkt->scsi_cdb[0]); */
3156 /* Set transfer direction. */
3157 dir = qla1280_data_direction(cmd);
3158 pkt->control_flags |= cpu_to_le16(dir);
3160 /* Set total data segment count. */
3161 pkt->dseg_count = cpu_to_le16(seg_cnt);
3164 * Load data segments.
3166 if (seg_cnt) { /* If data transfer. */
3167 /* Setup packet address segment pointer. */
3168 dword_ptr = (u32 *)&pkt->dseg_0_address;
3170 if (cmd->use_sg) { /* If scatter gather */
3171 /* Load command entry data segments. */
3172 for (cnt = 0; cnt < 2 && seg_cnt; cnt++, seg_cnt--) {
3173 dma_handle = sg_dma_address(sg);
3174 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
3175 if (ha->flags.use_pci_vchannel)
3176 sn_pci_set_vchan(ha->pdev,
3177 (unsigned long *)&dma_handle,
3181 cpu_to_le32(pci_dma_lo32(dma_handle));
3183 cpu_to_le32(pci_dma_hi32(dma_handle));
3184 *dword_ptr++ = cpu_to_le32(sg_dma_len(sg));
3186 dprintk(3, "S/G Segment phys_addr=%x %x, len=0x%x\n",
3187 cpu_to_le32(pci_dma_hi32(dma_handle)),
3188 cpu_to_le32(pci_dma_lo32(dma_handle)),
3189 cpu_to_le32(sg_dma_len(sg)));
3191 dprintk(5, "qla1280_64bit_start_scsi: Scatter/gather "
3192 "command packet data - b %i, t %i, l %i \n",
3193 SCSI_BUS_32(cmd), SCSI_TCN_32(cmd),
3195 qla1280_dump_buffer(5, (char *)pkt,
3196 REQUEST_ENTRY_SIZE);
3199 * Build continuation packets.
3201 dprintk(3, "S/G Building Continuation...seg_cnt=0x%x "
3202 "remains\n", seg_cnt);
3204 while (seg_cnt > 0) {
3205 /* Adjust ring index. */
3206 ha->req_ring_index++;
3207 if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
3208 ha->req_ring_index = 0;
3209 ha->request_ring_ptr =
3212 ha->request_ring_ptr++;
3214 pkt = (cmd_a64_entry_t *)ha->request_ring_ptr;
3216 /* Zero out packet. */
3217 memset(pkt, 0, REQUEST_ENTRY_SIZE);
3219 /* Load packet defaults. */
3220 ((struct cont_a64_entry *) pkt)->entry_type =
3222 ((struct cont_a64_entry *) pkt)->entry_count = 1;
3223 ((struct cont_a64_entry *) pkt)->sys_define =
3224 (uint8_t)ha->req_ring_index;
3225 /* Setup packet address segment pointer. */
3227 (u32 *)&((struct cont_a64_entry *) pkt)->dseg_0_address;
3229 /* Load continuation entry data segments. */
3230 for (cnt = 0; cnt < 5 && seg_cnt;
3232 dma_handle = sg_dma_address(sg);
3233 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
3234 if (ha->flags.use_pci_vchannel)
3235 sn_pci_set_vchan(ha->pdev,
3236 (unsigned long *)&dma_handle,
3240 cpu_to_le32(pci_dma_lo32(dma_handle));
3242 cpu_to_le32(pci_dma_hi32(dma_handle));
3244 cpu_to_le32(sg_dma_len(sg));
3245 dprintk(3, "S/G Segment Cont. phys_addr=%x %x, len=0x%x\n",
3246 cpu_to_le32(pci_dma_hi32(dma_handle)),
3247 cpu_to_le32(pci_dma_lo32(dma_handle)),
3248 cpu_to_le32(sg_dma_len(sg)));
3251 dprintk(5, "qla1280_64bit_start_scsi: "
3252 "continuation packet data - b %i, t "
3253 "%i, l %i \n", SCSI_BUS_32(cmd),
3254 SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
3255 qla1280_dump_buffer(5, (char *)pkt,
3256 REQUEST_ENTRY_SIZE);
3258 } else { /* No scatter gather data transfer */
3259 dma_handle = pci_map_single(ha->pdev,
3260 cmd->request_buffer,
3261 cmd->request_bufflen,
3262 cmd->sc_data_direction);
3264 sp->saved_dma_handle = dma_handle;
3265 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
3266 if (ha->flags.use_pci_vchannel)
3267 sn_pci_set_vchan(ha->pdev,
3268 (unsigned long *)&dma_handle,
3271 *dword_ptr++ = cpu_to_le32(pci_dma_lo32(dma_handle));
3272 *dword_ptr++ = cpu_to_le32(pci_dma_hi32(dma_handle));
3273 *dword_ptr = cpu_to_le32(cmd->request_bufflen);
3275 dprintk(5, "qla1280_64bit_start_scsi: No scatter/"
3276 "gather command packet data - b %i, t %i, "
3277 "l %i \n", SCSI_BUS_32(cmd), SCSI_TCN_32(cmd),
3279 qla1280_dump_buffer(5, (char *)pkt,
3280 REQUEST_ENTRY_SIZE);
3282 } else { /* No data transfer */
3283 dprintk(5, "qla1280_64bit_start_scsi: No data, command "
3284 "packet data - b %i, t %i, l %i \n",
3285 SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
3286 qla1280_dump_buffer(5, (char *)pkt, REQUEST_ENTRY_SIZE);
3288 /* Adjust ring index. */
3289 ha->req_ring_index++;
3290 if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
3291 ha->req_ring_index = 0;
3292 ha->request_ring_ptr = ha->request_ring;
3294 ha->request_ring_ptr++;
3296 /* Set chip new ring index. */
3298 "qla1280_64bit_start_scsi: Wakeup RISC for pending command\n");
3299 sp->flags |= SRB_SENT;
3301 WRT_REG_WORD(®->mailbox4, ha->req_ring_index);
3302 /* Enforce mmio write ordering; see comment in qla1280_isp_cmd(). */
3307 dprintk(2, "qla1280_64bit_start_scsi: **** FAILED ****\n");
3309 dprintk(3, "qla1280_64bit_start_scsi: exiting normally\n");
3313 #else /* !QLA_64BIT_PTR */
3316 * qla1280_32bit_start_scsi
3317 * The start SCSI is responsible for building request packets on
3318 * request ring and modifying ISP input pointer.
3320 * The Qlogic firmware interface allows every queue slot to have a SCSI
3321 * command and up to 4 scatter/gather (SG) entries. If we need more
3322 * than 4 SG entries, then continuation entries are used that can
3323 * hold another 7 entries each. The start routine determines if there
3324 * is eought empty slots then build the combination of requests to
3325 * fulfill the OS request.
3328 * ha = adapter block pointer.
3329 * sp = SCSI Request Block structure pointer.
3332 * 0 = success, was able to issue command.
3335 qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
3337 struct device_reg __iomem *reg = ha->iobase;
3338 struct scsi_cmnd *cmd = sp->cmd;
3339 struct cmd_entry *pkt;
3340 struct scatterlist *sg = NULL;
3341 uint32_t *dword_ptr;
3346 dma_addr_t dma_handle;
3349 ENTER("qla1280_32bit_start_scsi");
3351 dprintk(1, "32bit_start: cmd=%p sp=%p CDB=%x\n", cmd, sp,
3354 /* Calculate number of entries and segments required. */
3358 * We must build an SG list in adapter format, as the kernel's
3359 * SG list cannot be used directly because of data field size
3360 * (__alpha__) differences and the kernel SG list uses virtual
3361 * addresses where we need physical addresses.
3363 sg = (struct scatterlist *) cmd->request_buffer;
3364 seg_cnt = pci_map_sg(ha->pdev, sg, cmd->use_sg,
3365 cmd->sc_data_direction);
3368 * if greater than four sg entries then we need to allocate
3369 * continuation entries
3372 req_cnt += (seg_cnt - 4) / 7;
3373 if ((seg_cnt - 4) % 7)
3376 dprintk(3, "S/G Transfer cmd=%p seg_cnt=0x%x, req_cnt=%x\n",
3377 cmd, seg_cnt, req_cnt);
3378 } else if (cmd->request_bufflen) { /* If data transfer. */
3379 dprintk(3, "No S/G transfer t=%x cmd=%p len=%x CDB=%x\n",
3380 SCSI_TCN_32(cmd), cmd, cmd->request_bufflen,
3384 /* dprintk(1, "No data transfer \n"); */
3388 if ((req_cnt + 2) >= ha->req_q_cnt) {
3389 /* Calculate number of free request entries. */
3390 cnt = RD_REG_WORD(®->mailbox4);
3391 if (ha->req_ring_index < cnt)
3392 ha->req_q_cnt = cnt - ha->req_ring_index;
3395 REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt);
3398 dprintk(3, "Number of free entries=(%d) seg_cnt=0x%x\n",
3399 ha->req_q_cnt, seg_cnt);
3400 /* If room for request in request ring. */
3401 if ((req_cnt + 2) >= ha->req_q_cnt) {
3403 dprintk(2, "qla1280_32bit_start_scsi: in-ptr=0x%x, "
3404 "req_q_cnt=0x%x, req_cnt=0x%x", ha->req_ring_index,
3405 ha->req_q_cnt, req_cnt);
3409 /* Check for empty slot in outstanding command list. */
3410 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS &&
3411 (ha->outstanding_cmds[cnt] != 0); cnt++) ;
3413 if (cnt >= MAX_OUTSTANDING_COMMANDS) {
3415 dprintk(2, "qla1280_32bit_start_scsi: NO ROOM IN OUTSTANDING "
3416 "ARRAY, req_q_cnt=0x%x\n", ha->req_q_cnt);
3420 CMD_HANDLE(sp->cmd) = (unsigned char *) (unsigned long)(cnt + 1);
3421 ha->outstanding_cmds[cnt] = sp;
3422 ha->req_q_cnt -= req_cnt;
3425 * Build command packet.
3427 pkt = (struct cmd_entry *) ha->request_ring_ptr;
3429 pkt->entry_type = COMMAND_TYPE;
3430 pkt->entry_count = (uint8_t) req_cnt;
3431 pkt->sys_define = (uint8_t) ha->req_ring_index;
3432 pkt->entry_status = 0;
3433 pkt->handle = cpu_to_le32(cnt);
3435 /* Zero out remaining portion of packet. */
3436 memset(((char *)pkt + 8), 0, (REQUEST_ENTRY_SIZE - 8));
3438 /* Set ISP command timeout. */
3439 pkt->timeout = cpu_to_le16(30);
3441 /* Set device target ID and LUN */
3442 pkt->lun = SCSI_LUN_32(cmd);
3443 pkt->target = SCSI_BUS_32(cmd) ?
3444 (SCSI_TCN_32(cmd) | BIT_7) : SCSI_TCN_32(cmd);
3446 /* Enable simple tag queuing if device supports it. */
3447 if (DEV_SIMPLE_TAGS(cmd->device))
3448 pkt->control_flags |= cpu_to_le16(BIT_3);
3450 /* Load SCSI command packet. */
3451 pkt->cdb_len = cpu_to_le16(CMD_CDBLEN(cmd));
3452 memcpy(pkt->scsi_cdb, &(CMD_CDBP(cmd)), CMD_CDBLEN(cmd));
3454 /*dprintk(1, "Build packet for command[0]=0x%x\n",pkt->scsi_cdb[0]); */
3455 /* Set transfer direction. */
3456 dir = qla1280_data_direction(cmd);
3457 pkt->control_flags |= cpu_to_le16(dir);
3459 /* Set total data segment count. */
3460 pkt->dseg_count = cpu_to_le16(seg_cnt);
3463 * Load data segments.
3466 /* Setup packet address segment pointer. */
3467 dword_ptr = &pkt->dseg_0_address;
3469 if (cmd->use_sg) { /* If scatter gather */
3470 dprintk(3, "Building S/G data segments..\n");
3471 qla1280_dump_buffer(1, (char *)sg, 4 * 16);
3473 /* Load command entry data segments. */
3474 for (cnt = 0; cnt < 4 && seg_cnt; cnt++, seg_cnt--) {
3476 cpu_to_le32(pci_dma_lo32(sg_dma_address(sg)));
3478 cpu_to_le32(sg_dma_len(sg));
3479 dprintk(3, "S/G Segment phys_addr=0x%lx, len=0x%x\n",
3480 (pci_dma_lo32(sg_dma_address(sg))),
3485 * Build continuation packets.
3487 dprintk(3, "S/G Building Continuation"
3488 "...seg_cnt=0x%x remains\n", seg_cnt);
3489 while (seg_cnt > 0) {
3490 /* Adjust ring index. */
3491 ha->req_ring_index++;
3492 if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
3493 ha->req_ring_index = 0;
3494 ha->request_ring_ptr =
3497 ha->request_ring_ptr++;
3499 pkt = (struct cmd_entry *)ha->request_ring_ptr;
3501 /* Zero out packet. */
3502 memset(pkt, 0, REQUEST_ENTRY_SIZE);
3504 /* Load packet defaults. */
3505 ((struct cont_entry *) pkt)->
3506 entry_type = CONTINUE_TYPE;
3507 ((struct cont_entry *) pkt)->entry_count = 1;
3509 ((struct cont_entry *) pkt)->sys_define =
3510 (uint8_t) ha->req_ring_index;
3512 /* Setup packet address segment pointer. */
3514 &((struct cont_entry *) pkt)->dseg_0_address;
3516 /* Load continuation entry data segments. */
3517 for (cnt = 0; cnt < 7 && seg_cnt;
3520 cpu_to_le32(pci_dma_lo32(sg_dma_address(sg)));
3522 cpu_to_le32(sg_dma_len(sg));
3524 "S/G Segment Cont. phys_addr=0x%x, "
3526 cpu_to_le32(pci_dma_lo32(sg_dma_address(sg))),
3527 cpu_to_le32(sg_dma_len(sg)));
3530 dprintk(5, "qla1280_32bit_start_scsi: "
3531 "continuation packet data - "
3532 "scsi(%i:%i:%i)\n", SCSI_BUS_32(cmd),
3533 SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
3534 qla1280_dump_buffer(5, (char *)pkt,
3535 REQUEST_ENTRY_SIZE);
3537 } else { /* No S/G data transfer */
3538 dma_handle = pci_map_single(ha->pdev,
3539 cmd->request_buffer,
3540 cmd->request_bufflen,
3541 cmd->sc_data_direction);
3542 sp->saved_dma_handle = dma_handle;
3544 *dword_ptr++ = cpu_to_le32(pci_dma_lo32(dma_handle));
3545 *dword_ptr = cpu_to_le32(cmd->request_bufflen);
3547 } else { /* No data transfer at all */
3548 dprintk(5, "qla1280_32bit_start_scsi: No data, command "
3549 "packet data - \n");
3550 qla1280_dump_buffer(5, (char *)pkt, REQUEST_ENTRY_SIZE);
3552 dprintk(5, "qla1280_32bit_start_scsi: First IOCB block:\n");
3553 qla1280_dump_buffer(5, (char *)ha->request_ring_ptr,
3554 REQUEST_ENTRY_SIZE);
3556 /* Adjust ring index. */
3557 ha->req_ring_index++;
3558 if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
3559 ha->req_ring_index = 0;
3560 ha->request_ring_ptr = ha->request_ring;
3562 ha->request_ring_ptr++;
3564 /* Set chip new ring index. */
3565 dprintk(2, "qla1280_32bit_start_scsi: Wakeup RISC "
3566 "for pending command\n");
3567 sp->flags |= SRB_SENT;
3569 WRT_REG_WORD(®->mailbox4, ha->req_ring_index);
3570 /* Enforce mmio write ordering; see comment in qla1280_isp_cmd(). */
3575 dprintk(2, "qla1280_32bit_start_scsi: **** FAILED ****\n");
3577 LEAVE("qla1280_32bit_start_scsi");
3585 * Function is responsible for locking ring and
3586 * getting a zeroed out request packet.
3589 * ha = adapter block pointer.
3592 * 0 = failed to get slot.
3595 qla1280_req_pkt(struct scsi_qla_host *ha)
3597 struct device_reg __iomem *reg = ha->iobase;
3598 request_t *pkt = NULL;
3602 ENTER("qla1280_req_pkt");
3605 * This can be called from interrupt context, damn it!!!
3607 /* Wait for 30 seconds for slot. */
3608 for (timer = 15000000; timer; timer--) {
3609 if (ha->req_q_cnt > 0) {
3610 /* Calculate number of free request entries. */
3611 cnt = RD_REG_WORD(®->mailbox4);
3612 if (ha->req_ring_index < cnt)
3613 ha->req_q_cnt = cnt - ha->req_ring_index;
3616 REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt);
3619 /* Found empty request ring slot? */
3620 if (ha->req_q_cnt > 0) {
3622 pkt = ha->request_ring_ptr;
3624 /* Zero out packet. */
3625 memset(pkt, 0, REQUEST_ENTRY_SIZE);
3628 * How can this be right when we have a ring
3631 /* Set system defined field. */
3632 pkt->sys_define = (uint8_t) ha->req_ring_index;
3634 /* Set entry count. */
3635 pkt->entry_count = 1;
3642 /* Check for pending interrupts. */
3647 dprintk(2, "qla1280_req_pkt: **** FAILED ****\n");
3649 dprintk(3, "qla1280_req_pkt: exiting normally\n");
3656 * Function is responsible for modifying ISP input pointer.
3657 * Releases ring lock.
3660 * ha = adapter block pointer.
3663 qla1280_isp_cmd(struct scsi_qla_host *ha)
3665 struct device_reg __iomem *reg = ha->iobase;
3667 ENTER("qla1280_isp_cmd");
3669 dprintk(5, "qla1280_isp_cmd: IOCB data:\n");
3670 qla1280_dump_buffer(5, (char *)ha->request_ring_ptr,
3671 REQUEST_ENTRY_SIZE);
3673 /* Adjust ring index. */
3674 ha->req_ring_index++;
3675 if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
3676 ha->req_ring_index = 0;
3677 ha->request_ring_ptr = ha->request_ring;
3679 ha->request_ring_ptr++;
3682 * Update request index to mailbox4 (Request Queue In).
3683 * The mmiowb() ensures that this write is ordered with writes by other
3684 * CPUs. Without the mmiowb(), it is possible for the following:
3685 * CPUA posts write of index 5 to mailbox4
3686 * CPUA releases host lock
3687 * CPUB acquires host lock
3688 * CPUB posts write of index 6 to mailbox4
3689 * On PCI bus, order reverses and write of 6 posts, then index 5,
3690 * causing chip to issue full queue of stale commands
3691 * The mmiowb() prevents future writes from crossing the barrier.
3692 * See Documentation/DocBook/deviceiobook.tmpl for more information.
3694 WRT_REG_WORD(®->mailbox4, ha->req_ring_index);
3697 LEAVE("qla1280_isp_cmd");
3700 /****************************************************************************/
3701 /* Interrupt Service Routine. */
3702 /****************************************************************************/
3704 /****************************************************************************
3706 * Calls I/O done on command completion.
3709 * ha = adapter block pointer.
3710 * done_q = done queue.
3711 ****************************************************************************/
3713 qla1280_isr(struct scsi_qla_host *ha, struct list_head *done_q)
3715 struct device_reg __iomem *reg = ha->iobase;
3716 struct response *pkt;
3717 struct srb *sp = NULL;
3718 uint16_t mailbox[MAILBOX_REGISTER_COUNT];
3723 ENTER("qla1280_isr");
3725 istatus = RD_REG_WORD(®->istatus);
3726 if (!(istatus & (RISC_INT | PCI_INT)))
3729 /* Save mailbox register 5 */
3730 mailbox[5] = RD_REG_WORD(®->mailbox5);
3732 /* Check for mailbox interrupt. */
3734 mailbox[0] = RD_REG_WORD_dmasync(®->semaphore);
3736 if (mailbox[0] & BIT_0) {
3737 /* Get mailbox data. */
3738 /* dprintk(1, "qla1280_isr: In Get mailbox data \n"); */
3741 *wptr++ = RD_REG_WORD(®->mailbox0);
3742 *wptr++ = RD_REG_WORD(®->mailbox1);
3743 *wptr = RD_REG_WORD(®->mailbox2);
3744 if (mailbox[0] != MBA_SCSI_COMPLETION) {
3746 *wptr++ = RD_REG_WORD(®->mailbox3);
3747 *wptr++ = RD_REG_WORD(®->mailbox4);
3749 *wptr++ = RD_REG_WORD(®->mailbox6);
3750 *wptr = RD_REG_WORD(®->mailbox7);
3753 /* Release mailbox registers. */
3755 WRT_REG_WORD(®->semaphore, 0);
3756 WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT);
3758 dprintk(5, "qla1280_isr: mailbox interrupt mailbox[0] = 0x%x",
3761 /* Handle asynchronous event */
3762 switch (mailbox[0]) {
3763 case MBA_SCSI_COMPLETION: /* Response completion */
3764 dprintk(5, "qla1280_isr: mailbox SCSI response "
3767 if (ha->flags.online) {
3768 /* Get outstanding command index. */
3769 index = mailbox[2] << 16 | mailbox[1];
3771 /* Validate handle. */
3772 if (index < MAX_OUTSTANDING_COMMANDS)
3773 sp = ha->outstanding_cmds[index];
3778 /* Free outstanding command slot. */
3779 ha->outstanding_cmds[index] = NULL;
3781 /* Save ISP completion status */
3782 CMD_RESULT(sp->cmd) = 0;
3784 /* Place block on done queue */
3785 list_add_tail(&sp->list, done_q);
3788 * If we get here we have a real problem!
3791 "qla1280: ISP invalid handle");
3796 case MBA_BUS_RESET: /* SCSI Bus Reset */
3797 ha->flags.reset_marker = 1;
3798 index = mailbox[6] & BIT_0;
3799 ha->bus_settings[index].reset_marker = 1;
3801 printk(KERN_DEBUG "qla1280_isr(): index %i "
3802 "asynchronous BUS_RESET\n", index);
3805 case MBA_SYSTEM_ERR: /* System Error */
3807 "qla1280: ISP System Error - mbx1=%xh, mbx2="
3808 "%xh, mbx3=%xh\n", mailbox[1], mailbox[2],
3812 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
3814 "qla1280: ISP Request Transfer Error\n");
3817 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
3819 "qla1280: ISP Response Transfer Error\n");
3822 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
3823 dprintk(2, "qla1280_isr: asynchronous WAKEUP_THRES\n");
3826 case MBA_TIMEOUT_RESET: /* Execution Timeout Reset */
3828 "qla1280_isr: asynchronous TIMEOUT_RESET\n");
3831 case MBA_DEVICE_RESET: /* Bus Device Reset */
3832 printk(KERN_INFO "qla1280_isr(): asynchronous "
3833 "BUS_DEVICE_RESET\n");
3835 ha->flags.reset_marker = 1;
3836 index = mailbox[6] & BIT_0;
3837 ha->bus_settings[index].reset_marker = 1;
3840 case MBA_BUS_MODE_CHANGE:
3842 "qla1280_isr: asynchronous BUS_MODE_CHANGE\n");
3846 /* dprintk(1, "qla1280_isr: default case of switch MB \n"); */
3847 if (mailbox[0] < MBA_ASYNC_EVENT) {
3849 memcpy((uint16_t *) ha->mailbox_out, wptr,
3850 MAILBOX_REGISTER_COUNT *
3853 if(ha->mailbox_wait != NULL)
3854 complete(ha->mailbox_wait);
3859 WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT);
3863 * We will receive interrupts during mailbox testing prior to
3864 * the card being marked online, hence the double check.
3866 if (!(ha->flags.online && !ha->mailbox_wait)) {
3867 dprintk(2, "qla1280_isr: Response pointer Error\n");
3871 if (mailbox[5] >= RESPONSE_ENTRY_CNT)
3874 while (ha->rsp_ring_index != mailbox[5]) {
3875 pkt = ha->response_ring_ptr;
3877 dprintk(5, "qla1280_isr: ha->rsp_ring_index = 0x%x, mailbox[5]"
3878 " = 0x%x\n", ha->rsp_ring_index, mailbox[5]);
3879 dprintk(5,"qla1280_isr: response packet data\n");
3880 qla1280_dump_buffer(5, (char *)pkt, RESPONSE_ENTRY_SIZE);
3882 if (pkt->entry_type == STATUS_TYPE) {
3883 if ((le16_to_cpu(pkt->scsi_status) & 0xff)
3884 || pkt->comp_status || pkt->entry_status) {
3885 dprintk(2, "qla1280_isr: ha->rsp_ring_index = "
3886 "0x%x mailbox[5] = 0x%x, comp_status "
3887 "= 0x%x, scsi_status = 0x%x\n",
3888 ha->rsp_ring_index, mailbox[5],
3889 le16_to_cpu(pkt->comp_status),
3890 le16_to_cpu(pkt->scsi_status));
3893 dprintk(2, "qla1280_isr: ha->rsp_ring_index = "
3894 "0x%x, mailbox[5] = 0x%x\n",
3895 ha->rsp_ring_index, mailbox[5]);
3896 dprintk(2, "qla1280_isr: response packet data\n");
3897 qla1280_dump_buffer(2, (char *)pkt,
3898 RESPONSE_ENTRY_SIZE);
3901 if (pkt->entry_type == STATUS_TYPE || pkt->entry_status) {
3902 dprintk(2, "status: Cmd %p, handle %i\n",
3903 ha->outstanding_cmds[pkt->handle]->cmd,
3905 if (pkt->entry_type == STATUS_TYPE)
3906 qla1280_status_entry(ha, pkt, done_q);
3908 qla1280_error_entry(ha, pkt, done_q);
3909 /* Adjust ring index. */
3910 ha->rsp_ring_index++;
3911 if (ha->rsp_ring_index == RESPONSE_ENTRY_CNT) {
3912 ha->rsp_ring_index = 0;
3913 ha->response_ring_ptr = ha->response_ring;
3915 ha->response_ring_ptr++;
3916 WRT_REG_WORD(®->mailbox5, ha->rsp_ring_index);
3921 LEAVE("qla1280_isr");
3926 * Processes asynchronous reset.
3929 * ha = adapter block pointer.
3932 qla1280_rst_aen(struct scsi_qla_host *ha)
3936 ENTER("qla1280_rst_aen");
3938 if (ha->flags.online && !ha->flags.reset_active &&
3939 !ha->flags.abort_isp_active) {
3940 ha->flags.reset_active = 1;
3941 while (ha->flags.reset_marker) {
3942 /* Issue marker command. */
3943 ha->flags.reset_marker = 0;
3944 for (bus = 0; bus < ha->ports &&
3945 !ha->flags.reset_marker; bus++) {
3946 if (ha->bus_settings[bus].reset_marker) {
3947 ha->bus_settings[bus].reset_marker = 0;
3948 qla1280_marker(ha, bus, 0, 0,
3955 LEAVE("qla1280_rst_aen");
3959 #if LINUX_VERSION_CODE < 0x020500
3964 qla1280_get_target_options(struct scsi_cmnd *cmd, struct scsi_qla_host *ha)
3966 unsigned char *result;
3968 int bus, target, lun;
3970 bus = SCSI_BUS_32(cmd);
3971 target = SCSI_TCN_32(cmd);
3972 lun = SCSI_LUN_32(cmd);
3975 * Make sure to not touch anything if someone is using the
3978 if (cmd->use_sg || (CMD_RESULT(cmd) >> 16) != DID_OK || lun)
3981 result = cmd->request_buffer;
3984 n->bus[bus].target[target].parameter.f.enable_wide = 0;
3985 n->bus[bus].target[target].parameter.f.enable_sync = 0;
3986 n->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 0;
3988 if (result[7] & 0x60)
3989 n->bus[bus].target[target].parameter.f.enable_wide = 1;
3990 if (result[7] & 0x10)
3991 n->bus[bus].target[target].parameter.f.enable_sync = 1;
3992 if ((result[2] >= 3) && (result[4] + 5 > 56) &&
3994 n->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 1;
3996 dprintk(2, "get_target_options(): wide %i, sync %i, ppr %i\n",
3997 n->bus[bus].target[target].parameter.f.enable_wide,
3998 n->bus[bus].target[target].parameter.f.enable_sync,
3999 n->bus[bus].target[target].ppr_1x160.flags.enable_ppr);
4004 * qla1280_status_entry
4005 * Processes received ISP status entry.
4008 * ha = adapter block pointer.
4009 * pkt = entry pointer.
4010 * done_q = done queue.
4013 qla1280_status_entry(struct scsi_qla_host *ha, struct response *pkt,
4014 struct list_head *done_q)
4016 unsigned int bus, target, lun;
4019 struct scsi_cmnd *cmd;
4020 uint32_t handle = le32_to_cpu(pkt->handle);
4021 uint16_t scsi_status = le16_to_cpu(pkt->scsi_status);
4022 uint16_t comp_status = le16_to_cpu(pkt->comp_status);
4024 ENTER("qla1280_status_entry");
4026 /* Validate handle. */
4027 if (handle < MAX_OUTSTANDING_COMMANDS)
4028 sp = ha->outstanding_cmds[handle];
4033 printk(KERN_WARNING "qla1280: Status Entry invalid handle\n");
4037 /* Free outstanding command slot. */
4038 ha->outstanding_cmds[handle] = NULL;
4042 /* Generate LU queue on cntrl, target, LUN */
4043 bus = SCSI_BUS_32(cmd);
4044 target = SCSI_TCN_32(cmd);
4045 lun = SCSI_LUN_32(cmd);
4047 if (comp_status || scsi_status) {
4048 dprintk(3, "scsi: comp_status = 0x%x, scsi_status = "
4049 "0x%x, handle = 0x%x\n", comp_status,
4050 scsi_status, handle);
4053 /* Target busy or queue full */
4054 if ((scsi_status & 0xFF) == SAM_STAT_TASK_SET_FULL ||
4055 (scsi_status & 0xFF) == SAM_STAT_BUSY) {
4056 CMD_RESULT(cmd) = scsi_status & 0xff;
4059 /* Save ISP completion status */
4060 CMD_RESULT(cmd) = qla1280_return_status(pkt, cmd);
4062 if (scsi_status & SS_CHECK_CONDITION) {
4063 if (comp_status != CS_ARS_FAILED) {
4064 uint16_t req_sense_length =
4065 le16_to_cpu(pkt->req_sense_length);
4066 if (req_sense_length < CMD_SNSLEN(cmd))
4067 sense_sz = req_sense_length;
4070 * scsi_cmnd->sense_buffer is
4071 * 64 bytes, why only copy 63?
4072 * This looks wrong! /Jes
4074 sense_sz = CMD_SNSLEN(cmd) - 1;
4076 memcpy(cmd->sense_buffer,
4077 &pkt->req_sense_data, sense_sz);
4080 memset(cmd->sense_buffer + sense_sz, 0,
4081 sizeof(cmd->sense_buffer) - sense_sz);
4083 dprintk(2, "qla1280_status_entry: Check "
4084 "condition Sense data, b %i, t %i, "
4085 "l %i\n", bus, target, lun);
4087 qla1280_dump_buffer(2,
4088 (char *)cmd->sense_buffer,
4093 /* Place command on done queue. */
4094 list_add_tail(&sp->list, done_q);
4096 LEAVE("qla1280_status_entry");
4100 * qla1280_error_entry
4101 * Processes error entry.
4104 * ha = adapter block pointer.
4105 * pkt = entry pointer.
4106 * done_q = done queue.
4109 qla1280_error_entry(struct scsi_qla_host *ha, struct response *pkt,
4110 struct list_head *done_q)
4113 uint32_t handle = le32_to_cpu(pkt->handle);
4115 ENTER("qla1280_error_entry");
4117 if (pkt->entry_status & BIT_3)
4118 dprintk(2, "qla1280_error_entry: BAD PAYLOAD flag error\n");
4119 else if (pkt->entry_status & BIT_2)
4120 dprintk(2, "qla1280_error_entry: BAD HEADER flag error\n");
4121 else if (pkt->entry_status & BIT_1)
4122 dprintk(2, "qla1280_error_entry: FULL flag error\n");
4124 dprintk(2, "qla1280_error_entry: UNKNOWN flag error\n");
4126 /* Validate handle. */
4127 if (handle < MAX_OUTSTANDING_COMMANDS)
4128 sp = ha->outstanding_cmds[handle];
4133 /* Free outstanding command slot. */
4134 ha->outstanding_cmds[handle] = NULL;
4136 /* Bad payload or header */
4137 if (pkt->entry_status & (BIT_3 + BIT_2)) {
4138 /* Bad payload or header, set error status. */
4139 /* CMD_RESULT(sp->cmd) = CS_BAD_PAYLOAD; */
4140 CMD_RESULT(sp->cmd) = DID_ERROR << 16;
4141 } else if (pkt->entry_status & BIT_1) { /* FULL flag */
4142 CMD_RESULT(sp->cmd) = DID_BUS_BUSY << 16;
4144 /* Set error status. */
4145 CMD_RESULT(sp->cmd) = DID_ERROR << 16;
4148 /* Place command on done queue. */
4149 list_add_tail(&sp->list, done_q);
4151 #ifdef QLA_64BIT_PTR
4152 else if (pkt->entry_type == COMMAND_A64_TYPE) {
4153 printk(KERN_WARNING "!qla1280: Error Entry invalid handle");
4157 LEAVE("qla1280_error_entry");
4162 * Resets ISP and aborts all outstanding commands.
4165 * ha = adapter block pointer.
4171 qla1280_abort_isp(struct scsi_qla_host *ha)
4173 struct device_reg __iomem *reg = ha->iobase;
4179 ENTER("qla1280_abort_isp");
4181 if (ha->flags.abort_isp_active || !ha->flags.online)
4184 ha->flags.abort_isp_active = 1;
4186 /* Disable ISP interrupts. */
4187 qla1280_disable_intrs(ha);
4188 WRT_REG_WORD(®->host_cmd, HC_PAUSE_RISC);
4189 RD_REG_WORD(®->id_l);
4191 printk(KERN_INFO "scsi(%li): dequeuing outstanding commands\n",
4193 /* Dequeue all commands in outstanding command list. */
4194 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
4195 struct scsi_cmnd *cmd;
4196 sp = ha->outstanding_cmds[cnt];
4200 CMD_RESULT(cmd) = DID_RESET << 16;
4203 ha->outstanding_cmds[cnt] = NULL;
4205 (*cmd->scsi_done)(cmd);
4211 status = qla1280_load_firmware(ha);
4215 /* Setup adapter based on NVRAM parameters. */
4216 qla1280_nvram_config (ha);
4218 status = qla1280_init_rings(ha);
4222 /* Issue SCSI reset. */
4223 for (bus = 0; bus < ha->ports; bus++)
4224 qla1280_bus_reset(ha, bus);
4226 ha->flags.abort_isp_active = 0;
4230 "qla1280: ISP error recovery failed, board disabled");
4231 qla1280_reset_adapter(ha);
4232 dprintk(2, "qla1280_abort_isp: **** FAILED ****\n");
4235 LEAVE("qla1280_abort_isp");
4241 * qla1280_debounce_register
4242 * Debounce register.
4245 * port = register address.
4251 qla1280_debounce_register(volatile u16 __iomem * addr)
4256 ret = RD_REG_WORD(addr);
4257 ret2 = RD_REG_WORD(addr);
4264 ret = RD_REG_WORD(addr);
4265 ret2 = RD_REG_WORD(addr);
4266 } while (ret != ret2);
4272 /************************************************************************
4273 * qla1280_check_for_dead_scsi_bus *
4275 * This routine checks for a dead SCSI bus *
4276 ************************************************************************/
4277 #define SET_SXP_BANK 0x0100
4278 #define SCSI_PHASE_INVALID 0x87FF
4280 qla1280_check_for_dead_scsi_bus(struct scsi_qla_host *ha, unsigned int bus)
4282 uint16_t config_reg, scsi_control;
4283 struct device_reg __iomem *reg = ha->iobase;
4285 if (ha->bus_settings[bus].scsi_bus_dead) {
4286 WRT_REG_WORD(®->host_cmd, HC_PAUSE_RISC);
4287 config_reg = RD_REG_WORD(®->cfg_1);
4288 WRT_REG_WORD(®->cfg_1, SET_SXP_BANK);
4289 scsi_control = RD_REG_WORD(®->scsiControlPins);
4290 WRT_REG_WORD(®->cfg_1, config_reg);
4291 WRT_REG_WORD(®->host_cmd, HC_RELEASE_RISC);
4293 if (scsi_control == SCSI_PHASE_INVALID) {
4294 ha->bus_settings[bus].scsi_bus_dead = 1;
4296 CMD_RESULT(cp) = DID_NO_CONNECT << 16;
4297 CMD_HANDLE(cp) = INVALID_HANDLE;
4298 /* ha->actthreads--; */
4300 (*(cp)->scsi_done)(cp);
4302 return 1; /* bus is dead */
4304 ha->bus_settings[bus].scsi_bus_dead = 0;
4305 ha->bus_settings[bus].failed_reset_count = 0;
4308 return 0; /* bus is not dead */
4312 qla1280_get_target_parameters(struct scsi_qla_host *ha,
4313 struct scsi_device *device)
4315 uint16_t mb[MAILBOX_REGISTER_COUNT];
4316 int bus, target, lun;
4318 bus = device->channel;
4319 target = device->id;
4323 mb[0] = MBC_GET_TARGET_PARAMETERS;
4324 mb[1] = (uint16_t) (bus ? target | BIT_7 : target);
4326 qla1280_mailbox_command(ha, BIT_6 | BIT_3 | BIT_2 | BIT_1 | BIT_0,
4329 printk(KERN_INFO "scsi(%li:%d:%d:%d):", ha->host_no, bus, target, lun);
4332 printk(" Sync: period %d, offset %d",
4333 (mb[3] & 0xff), (mb[3] >> 8));
4336 if ((mb[2] & BIT_5) && ((mb[6] >> 8) & 0xff) >= 2)
4341 if (DEV_SIMPLE_TAGS(device))
4342 printk(", Tagged queuing: depth %d", device->queue_depth);
4349 __qla1280_dump_buffer(char *b, int size)
4354 printk(KERN_DEBUG " 0 1 2 3 4 5 6 7 8 9 Ah "
4355 "Bh Ch Dh Eh Fh\n");
4356 printk(KERN_DEBUG "---------------------------------------------"
4357 "------------------\n");
4359 for (cnt = 0; cnt < size;) {
4362 printk("0x%02x", c);
4373 /**************************************************************************
4374 * ql1280_print_scsi_cmd
4376 **************************************************************************/
4378 __qla1280_print_scsi_cmd(struct scsi_cmnd *cmd)
4380 struct scsi_qla_host *ha;
4381 struct Scsi_Host *host = CMD_HOST(cmd);
4383 /* struct scatterlist *sg; */
4386 ha = (struct scsi_qla_host *)host->hostdata;
4388 sp = (struct srb *)CMD_SP(cmd);
4389 printk("SCSI Command @= 0x%p, Handle=0x%p\n", cmd, CMD_HANDLE(cmd));
4390 printk(" chan=%d, target = 0x%02x, lun = 0x%02x, cmd_len = 0x%02x\n",
4391 SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd),
4394 for (i = 0; i < cmd->cmd_len; i++) {
4395 printk("0x%02x ", cmd->cmnd[i]);
4397 printk(" seg_cnt =%d\n", cmd->use_sg);
4398 printk(" request buffer=0x%p, request buffer len=0x%x\n",
4399 cmd->request_buffer, cmd->request_bufflen);
4402 sg = (struct scatterlist *) cmd->request_buffer;
4403 printk(" SG buffer: \n");
4404 qla1280_dump_buffer(1, (char *)sg, (cmd->use_sg*sizeof(struct scatterlist)));
4406 printk(" tag=%d, transfersize=0x%x \n",
4407 cmd->tag, cmd->transfersize);
4408 printk(" Pid=%li, SP=0x%p\n", cmd->pid, CMD_SP(cmd));
4409 printk(" underflow size = 0x%x, direction=0x%x\n",
4410 cmd->underflow, cmd->sc_data_direction);
4413 /**************************************************************************
4414 * ql1280_dump_device
4416 **************************************************************************/
4418 ql1280_dump_device(struct scsi_qla_host *ha)
4421 struct scsi_cmnd *cp;
4425 printk(KERN_DEBUG "Outstanding Commands on controller:\n");
4427 for (i = 0; i < MAX_OUTSTANDING_COMMANDS; i++) {
4428 if ((sp = ha->outstanding_cmds[i]) == NULL)
4430 if ((cp = sp->cmd) == NULL)
4432 qla1280_print_scsi_cmd(1, cp);
4447 struct setup_tokens {
4452 static struct setup_tokens setup_token[] __initdata =
4454 { "nvram", TOKEN_NVRAM },
4455 { "sync", TOKEN_SYNC },
4456 { "wide", TOKEN_WIDE },
4457 { "ppr", TOKEN_PPR },
4458 { "verbose", TOKEN_VERBOSE },
4459 { "debug", TOKEN_DEBUG },
4463 /**************************************************************************
4466 * Handle boot parameters. This really needs to be changed so one
4467 * can specify per adapter parameters.
4468 **************************************************************************/
4470 qla1280_setup(char *s)
4478 while (cp && (ptr = strchr(cp, ':'))) {
4480 if (!strcmp(ptr, "yes")) {
4483 } else if (!strcmp(ptr, "no")) {
4487 val = simple_strtoul(ptr, &ptr, 0);
4489 switch ((toke = qla1280_get_token(cp))) {
4492 driver_setup.no_nvram = 1;
4496 driver_setup.no_sync = 1;
4497 else if (val != 0x10000)
4498 driver_setup.sync_mask = val;
4502 driver_setup.no_wide = 1;
4503 else if (val != 0x10000)
4504 driver_setup.wide_mask = val;
4508 driver_setup.no_ppr = 1;
4509 else if (val != 0x10000)
4510 driver_setup.ppr_mask = val;
4513 qla1280_verbose = val;
4516 printk(KERN_INFO "qla1280: unknown boot option %s\n",
4520 cp = strchr(ptr, ';');
4532 qla1280_get_token(char *str)
4538 len = sizeof(setup_token)/sizeof(struct setup_tokens);
4540 sep = strchr(str, ':');
4543 for (i = 0; i < len; i++){
4545 if (!strncmp(setup_token[i].token, str, (sep - str))) {
4546 ret = setup_token[i].val;
4555 #if LINUX_VERSION_CODE >= 0x020600
4556 static struct scsi_host_template qla1280_driver_template = {
4557 .module = THIS_MODULE,
4558 .proc_name = "qla1280",
4559 .name = "Qlogic ISP 1280/12160",
4560 .info = qla1280_info,
4561 .slave_configure = qla1280_slave_configure,
4562 .queuecommand = qla1280_queuecommand,
4563 .eh_abort_handler = qla1280_eh_abort,
4564 .eh_device_reset_handler= qla1280_eh_device_reset,
4565 .eh_bus_reset_handler = qla1280_eh_bus_reset,
4566 .eh_host_reset_handler = qla1280_eh_adapter_reset,
4567 .bios_param = qla1280_biosparam,
4568 .can_queue = 0xfffff,
4570 .sg_tablesize = SG_ALL,
4572 .use_clustering = ENABLE_CLUSTERING,
4575 static Scsi_Host_Template qla1280_driver_template = {
4576 .proc_name = "qla1280",
4577 .name = "Qlogic ISP 1280/12160",
4578 .detect = qla1280_detect,
4579 .release = qla1280_release,
4580 .info = qla1280_info,
4581 .queuecommand = qla1280_queuecommand,
4582 .eh_abort_handler = qla1280_eh_abort,
4583 .eh_device_reset_handler= qla1280_eh_device_reset,
4584 .eh_bus_reset_handler = qla1280_eh_bus_reset,
4585 .eh_host_reset_handler = qla1280_eh_adapter_reset,
4586 .bios_param = qla1280_biosparam_old,
4587 .can_queue = 0xfffff,
4589 .sg_tablesize = SG_ALL,
4591 .use_clustering = ENABLE_CLUSTERING,
4592 .use_new_eh_code = 1,
4596 static int __devinit
4597 qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
4599 int devnum = id->driver_data;
4600 struct qla_boards *bdp = &ql1280_board_tbl[devnum];
4601 struct Scsi_Host *host;
4602 struct scsi_qla_host *ha;
4603 int error = -ENODEV;
4605 /* Bypass all AMI SUBSYS VENDOR IDs */
4606 if (pdev->subsystem_vendor == PCI_VENDOR_ID_AMI) {
4608 "qla1280: Skipping AMI SubSys Vendor ID Chip\n");
4612 printk(KERN_INFO "qla1280: %s found on PCI bus %i, dev %i\n",
4613 bdp->name, pdev->bus->number, PCI_SLOT(pdev->devfn));
4615 if (pci_enable_device(pdev)) {
4617 "qla1280: Failed to enabled pci device, aborting.\n");
4621 pci_set_master(pdev);
4624 host = scsi_host_alloc(&qla1280_driver_template, sizeof(*ha));
4627 "qla1280: Failed to register host, aborting.\n");
4628 goto error_disable_device;
4631 ha = (struct scsi_qla_host *)host->hostdata;
4632 memset(ha, 0, sizeof(struct scsi_qla_host));
4635 ha->devnum = devnum; /* specifies microcode load address */
4637 #ifdef QLA_64BIT_PTR
4638 if (pci_set_dma_mask(ha->pdev, (dma_addr_t) ~ 0ULL)) {
4639 if (pci_set_dma_mask(ha->pdev, 0xffffffff)) {
4640 printk(KERN_WARNING "scsi(%li): Unable to set a "
4641 " suitable DMA mask - aboring\n", ha->host_no);
4643 goto error_free_irq;
4646 dprintk(2, "scsi(%li): 64 Bit PCI Addressing Enabled\n",
4649 if (pci_set_dma_mask(ha->pdev, 0xffffffff)) {
4650 printk(KERN_WARNING "scsi(%li): Unable to set a "
4651 " suitable DMA mask - aboring\n", ha->host_no);
4653 goto error_free_irq;
4657 ha->request_ring = pci_alloc_consistent(ha->pdev,
4658 ((REQUEST_ENTRY_CNT + 1) * (sizeof(request_t))),
4660 if (!ha->request_ring) {
4661 printk(KERN_INFO "qla1280: Failed to get request memory\n");
4662 goto error_put_host;
4665 ha->response_ring = pci_alloc_consistent(ha->pdev,
4666 ((RESPONSE_ENTRY_CNT + 1) * (sizeof(struct response))),
4668 if (!ha->response_ring) {
4669 printk(KERN_INFO "qla1280: Failed to get response memory\n");
4670 goto error_free_request_ring;
4673 ha->ports = bdp->numPorts;
4676 ha->host_no = host->host_no;
4678 host->irq = pdev->irq;
4679 host->max_channel = bdp->numPorts - 1;
4680 host->max_lun = MAX_LUNS - 1;
4681 host->max_id = MAX_TARGETS;
4682 host->max_sectors = 1024;
4683 host->unique_id = host->host_no;
4685 #if LINUX_VERSION_CODE < 0x020545
4686 host->select_queue_depths = qla1280_select_queue_depth;
4691 #if MEMORY_MAPPED_IO
4692 ha->mmpbase = ioremap(pci_resource_start(ha->pdev, 1),
4693 pci_resource_len(ha->pdev, 1));
4695 printk(KERN_INFO "qla1280: Unable to map I/O memory\n");
4696 goto error_free_response_ring;
4699 host->base = (unsigned long)ha->mmpbase;
4700 ha->iobase = (struct device_reg __iomem *)ha->mmpbase;
4702 host->io_port = pci_resource_start(ha->pdev, 0);
4703 if (!request_region(host->io_port, 0xff, "qla1280")) {
4704 printk(KERN_INFO "qla1280: Failed to reserve i/o region "
4705 "0x%04lx-0x%04lx - already in use\n",
4706 host->io_port, host->io_port + 0xff);
4707 goto error_free_response_ring;
4710 ha->iobase = (struct device_reg *)host->io_port;
4713 INIT_LIST_HEAD(&ha->done_q);
4715 /* Disable ISP interrupts. */
4716 qla1280_disable_intrs(ha);
4718 if (request_irq(pdev->irq, qla1280_intr_handler, SA_SHIRQ,
4720 printk("qla1280 : Failed to reserve interrupt %d already "
4721 "in use\n", pdev->irq);
4722 goto error_release_region;
4725 /* load the F/W, read paramaters, and init the H/W */
4726 if (qla1280_initialize_adapter(ha)) {
4727 printk(KERN_INFO "qla1x160: Failed to initialize adapter\n");
4728 goto error_free_irq;
4731 /* set our host ID (need to do something about our two IDs) */
4732 host->this_id = ha->bus_settings[0].id;
4734 pci_set_drvdata(pdev, host);
4736 #if LINUX_VERSION_CODE >= 0x020600
4737 error = scsi_add_host(host, &pdev->dev);
4739 goto error_disable_adapter;
4740 scsi_scan_host(host);
4742 scsi_set_pci_device(host, pdev);
4747 #if LINUX_VERSION_CODE >= 0x020600
4748 error_disable_adapter:
4749 WRT_REG_WORD(&ha->iobase->ictrl, 0);
4752 free_irq(pdev->irq, ha);
4753 error_release_region:
4754 #if MEMORY_MAPPED_IO
4755 iounmap(ha->mmpbase);
4757 release_region(host->io_port, 0xff);
4759 error_free_response_ring:
4760 pci_free_consistent(ha->pdev,
4761 ((RESPONSE_ENTRY_CNT + 1) * (sizeof(struct response))),
4762 ha->response_ring, ha->response_dma);
4763 error_free_request_ring:
4764 pci_free_consistent(ha->pdev,
4765 ((REQUEST_ENTRY_CNT + 1) * (sizeof(request_t))),
4766 ha->request_ring, ha->request_dma);
4768 scsi_host_put(host);
4769 error_disable_device:
4770 pci_disable_device(pdev);
4776 static void __devexit
4777 qla1280_remove_one(struct pci_dev *pdev)
4779 struct Scsi_Host *host = pci_get_drvdata(pdev);
4780 struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata;
4782 #if LINUX_VERSION_CODE >= 0x020600
4783 scsi_remove_host(host);
4786 WRT_REG_WORD(&ha->iobase->ictrl, 0);
4788 free_irq(pdev->irq, ha);
4790 #if MEMORY_MAPPED_IO
4791 iounmap(ha->mmpbase);
4793 release_region(host->io_port, 0xff);
4796 pci_free_consistent(ha->pdev,
4797 ((REQUEST_ENTRY_CNT + 1) * (sizeof(request_t))),
4798 ha->request_ring, ha->request_dma);
4799 pci_free_consistent(ha->pdev,
4800 ((RESPONSE_ENTRY_CNT + 1) * (sizeof(struct response))),
4801 ha->response_ring, ha->response_dma);
4803 pci_disable_device(pdev);
4805 scsi_host_put(host);
4808 #if LINUX_VERSION_CODE >= 0x020600
4809 static struct pci_driver qla1280_pci_driver = {
4811 .id_table = qla1280_pci_tbl,
4812 .probe = qla1280_probe_one,
4813 .remove = __devexit_p(qla1280_remove_one),
4819 if (sizeof(struct srb) > sizeof(struct scsi_pointer)) {
4821 "qla1280: struct srb too big, aborting\n");
4827 * If we are called as a module, the qla1280 pointer may not be null
4828 * and it would point to our bootup string, just like on the lilo
4829 * command line. IF not NULL, then process this config string with
4833 * To add options at boot time add a line to your lilo.conf file like:
4834 * append="qla1280=verbose,max_tags:{{255,255,255,255},{255,255,255,255}}"
4835 * which will result in the first four devices on the first two
4836 * controllers being set to a tagged queue depth of 32.
4839 qla1280_setup(qla1280);
4842 return pci_module_init(&qla1280_pci_driver);
4848 pci_unregister_driver(&qla1280_pci_driver);
4851 module_init(qla1280_init);
4852 module_exit(qla1280_exit);
4855 # define driver_template qla1280_driver_template
4856 # include "scsi_module.c"
4859 MODULE_AUTHOR("Qlogic & Jes Sorensen");
4860 MODULE_DESCRIPTION("Qlogic ISP SCSI (qla1x80/qla1x160) driver");
4861 MODULE_LICENSE("GPL");
4862 MODULE_VERSION(QLA1280_VERSION);
4865 * Overrides for Emacs so that we almost follow Linus's tabbing style.
4866 * Emacs will notice this stuff at the end of the file and automatically
4867 * adjust the settings for this buffer only. This must remain at the end
4869 * ---------------------------------------------------------------------------