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);
1001 "scsi(%ld:%d:%d:%d): Queueing abort device "
1002 "command.\n", ha->host_no, bus, target, lun);
1003 if (qla1280_abort_device(ha, bus, target, lun) == 0)
1008 if (qla1280_verbose)
1010 "scsi(%ld:%d:%d:%d): Queueing device reset "
1011 "command.\n", ha->host_no, bus, target, lun);
1012 if (qla1280_device_reset(ha, bus, target) == 0)
1017 if (qla1280_verbose)
1018 printk(KERN_INFO "qla1280(%ld:%d): Issuing BUS "
1019 "DEVICE RESET\n", ha->host_no, bus);
1020 if (qla1280_bus_reset(ha, bus == 0))
1027 if (qla1280_verbose) {
1029 "scsi(%ld): Issued ADAPTER RESET\n",
1031 printk(KERN_INFO "scsi(%ld): I/O processing will "
1032 "continue automatically\n", ha->host_no);
1034 ha->flags.reset_active = 1;
1036 * We restarted all of the commands automatically, so the
1037 * mid-level code can expect completions momentitarily.
1039 if (qla1280_abort_isp(ha) == 0)
1042 ha->flags.reset_active = 0;
1045 if (!list_empty(&ha->done_q))
1048 /* If we didn't manage to issue the action, or we have no
1049 * command to wait for, exit here */
1050 if (result == FAILED || handle == NULL ||
1051 handle == (unsigned char *)INVALID_HANDLE) {
1053 * Clear completion queue to avoid qla1280_done() trying
1054 * to complete the command at a later stage after we
1055 * have exited the current context
1061 /* set up a timer just in case we're really jammed */
1063 timer.expires = jiffies + 4*HZ;
1064 timer.data = (unsigned long)cmd;
1065 timer.function = qla1280_error_wait_timeout;
1068 /* wait for the action to complete (or the timer to expire) */
1069 spin_unlock_irq(HOST_LOCK);
1070 wait_for_completion(&wait);
1071 del_timer_sync(&timer);
1072 spin_lock_irq(HOST_LOCK);
1075 /* the only action we might get a fail for is abort */
1076 if (action == ABORT_COMMAND) {
1077 if(sp->flags & SRB_ABORTED)
1084 dprintk(1, "RESET returning %d\n", result);
1086 LEAVE("qla1280_error_action");
1090 /**************************************************************************
1092 * Abort the specified SCSI command(s).
1093 **************************************************************************/
1095 qla1280_eh_abort(struct scsi_cmnd * cmd)
1099 spin_lock_irq(cmd->device->host->host_lock);
1100 rc = qla1280_error_action(cmd, ABORT_COMMAND);
1101 spin_unlock_irq(cmd->device->host->host_lock);
1106 /**************************************************************************
1107 * qla1280_device_reset
1108 * Reset the specified SCSI device
1109 **************************************************************************/
1111 qla1280_eh_device_reset(struct scsi_cmnd *cmd)
1115 spin_lock_irq(cmd->device->host->host_lock);
1116 rc = qla1280_error_action(cmd, DEVICE_RESET);
1117 spin_unlock_irq(cmd->device->host->host_lock);
1122 /**************************************************************************
1124 * Reset the specified bus.
1125 **************************************************************************/
1127 qla1280_eh_bus_reset(struct scsi_cmnd *cmd)
1131 spin_lock_irq(cmd->device->host->host_lock);
1132 rc = qla1280_error_action(cmd, BUS_RESET);
1133 spin_unlock_irq(cmd->device->host->host_lock);
1138 /**************************************************************************
1139 * qla1280_adapter_reset
1140 * Reset the specified adapter (both channels)
1141 **************************************************************************/
1143 qla1280_eh_adapter_reset(struct scsi_cmnd *cmd)
1147 spin_lock_irq(cmd->device->host->host_lock);
1148 rc = qla1280_error_action(cmd, ADAPTER_RESET);
1149 spin_unlock_irq(cmd->device->host->host_lock);
1155 qla1280_biosparam(struct scsi_device *sdev, struct block_device *bdev,
1156 sector_t capacity, int geom[])
1158 int heads, sectors, cylinders;
1162 cylinders = (unsigned long)capacity / (heads * sectors);
1163 if (cylinders > 1024) {
1166 cylinders = (unsigned long)capacity / (heads * sectors);
1167 /* if (cylinders > 1023)
1168 cylinders = 1023; */
1173 geom[2] = cylinders;
1178 #if LINUX_VERSION_CODE < 0x020600
1180 qla1280_detect(Scsi_Host_Template *template)
1182 struct pci_device_id *id = &qla1280_pci_tbl[0];
1183 struct pci_dev *pdev = NULL;
1186 if (sizeof(struct srb) > sizeof(Scsi_Pointer)) {
1188 "qla1280: struct srb too big, aborting\n");
1192 if ((DMA_BIDIRECTIONAL != PCI_DMA_BIDIRECTIONAL) ||
1193 (DMA_TO_DEVICE != PCI_DMA_TODEVICE) ||
1194 (DMA_FROM_DEVICE != PCI_DMA_FROMDEVICE) ||
1195 (DMA_NONE != PCI_DMA_NONE)) {
1197 "qla1280: dma direction bits don't match\n");
1203 * If we are called as a module, the qla1280 pointer may not be null
1204 * and it would point to our bootup string, just like on the lilo
1205 * command line. IF not NULL, then process this config string with
1209 * To add options at boot time add a line to your lilo.conf file like:
1210 * append="qla1280=verbose,max_tags:{{255,255,255,255},{255,255,255,255}}"
1211 * which will result in the first four devices on the first two
1212 * controllers being set to a tagged queue depth of 32.
1215 qla1280_setup(qla1280);
1218 /* First Initialize QLA12160 on PCI Bus 1 Dev 2 */
1219 while ((pdev = pci_find_device(id->vendor, id->device, pdev))) {
1220 if (pdev->bus->number == 1 && PCI_SLOT(pdev->devfn) == 2) {
1221 if (!qla1280_probe_one(pdev, id))
1227 /* Try and find each different type of adapter we support */
1228 for (id = &qla1280_pci_tbl[0]; id->device; id++) {
1229 while ((pdev = pci_find_device(id->vendor, id->device, pdev))) {
1231 * skip QLA12160 already initialized on
1232 * PCI Bus 1 Dev 2 since we already initialized
1235 if (id->device == PCI_DEVICE_ID_QLOGIC_ISP12160 &&
1236 pdev->bus->number == 1 &&
1237 PCI_SLOT(pdev->devfn) == 2)
1240 if (!qla1280_probe_one(pdev, id))
1249 * This looks a bit ugly as we could just pass down host to
1250 * qla1280_remove_one, but I want to keep qla1280_release purely a wrapper
1251 * around pci_driver::remove as used from 2.6 onwards.
1254 qla1280_release(struct Scsi_Host *host)
1256 struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata;
1258 qla1280_remove_one(ha->pdev);
1263 qla1280_biosparam_old(Disk * disk, kdev_t dev, int geom[])
1265 return qla1280_biosparam(disk->device, NULL, disk->capacity, geom);
1269 /* disable risc and host interrupts */
1271 qla1280_disable_intrs(struct scsi_qla_host *ha)
1273 WRT_REG_WORD(&ha->iobase->ictrl, 0);
1274 RD_REG_WORD(&ha->iobase->ictrl); /* PCI Posted Write flush */
1277 /* enable risc and host interrupts */
1279 qla1280_enable_intrs(struct scsi_qla_host *ha)
1281 WRT_REG_WORD(&ha->iobase->ictrl, (ISP_EN_INT | ISP_EN_RISC));
1282 RD_REG_WORD(&ha->iobase->ictrl); /* PCI Posted Write flush */
1285 /**************************************************************************
1286 * qla1280_intr_handler
1287 * Handles the H/W interrupt
1288 **************************************************************************/
1290 qla1280_intr_handler(int irq, void *dev_id, struct pt_regs *regs)
1292 struct scsi_qla_host *ha;
1293 struct device_reg __iomem *reg;
1297 ENTER_INTR ("qla1280_intr_handler");
1298 ha = (struct scsi_qla_host *)dev_id;
1300 spin_lock(HOST_LOCK);
1305 qla1280_disable_intrs(ha);
1307 data = qla1280_debounce_register(®->istatus);
1308 /* Check for pending interrupts. */
1309 if (data & RISC_INT) {
1310 qla1280_isr(ha, &ha->done_q);
1313 if (!list_empty(&ha->done_q))
1316 spin_unlock(HOST_LOCK);
1318 qla1280_enable_intrs(ha);
1320 LEAVE_INTR("qla1280_intr_handler");
1321 return IRQ_RETVAL(handled);
1326 qla1280_set_target_parameters(struct scsi_qla_host *ha, int bus, int target)
1329 uint16_t mb[MAILBOX_REGISTER_COUNT];
1335 mr = BIT_3 | BIT_2 | BIT_1 | BIT_0;
1337 /* Set Target Parameters. */
1338 mb[0] = MBC_SET_TARGET_PARAMETERS;
1339 mb[1] = (uint16_t) (bus ? target | BIT_7 : target);
1342 mb[2] = (nv->bus[bus].target[target].parameter.c << 8);
1344 if (IS_ISP1x160(ha)) {
1345 mb[2] |= nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr << 5;
1346 mb[3] = (nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8) |
1347 nv->bus[bus].target[target].sync_period;
1348 mb[6] = (nv->bus[bus].target[target].ppr_1x160.flags.ppr_options << 8) |
1349 nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width;
1352 mb[3] = (nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8) |
1353 nv->bus[bus].target[target].sync_period;
1356 status = qla1280_mailbox_command(ha, mr, &mb[0]);
1359 printk(KERN_WARNING "scsi(%ld:%i:%i): "
1360 "qla1280_set_target_parameters() failed\n",
1361 ha->host_no, bus, target);
1366 /**************************************************************************
1367 * qla1280_slave_configure
1370 * Determines the queue depth for a given device. There are two ways
1371 * a queue depth can be obtained for a tagged queueing device. One
1372 * way is the default queue depth which is determined by whether
1373 * If it is defined, then it is used
1374 * as the default queue depth. Otherwise, we use either 4 or 8 as the
1375 * default queue depth (dependent on the number of hardware SCBs).
1376 **************************************************************************/
1378 qla1280_slave_configure(struct scsi_device *device)
1380 struct scsi_qla_host *ha;
1381 int default_depth = 3;
1382 int bus = device->channel;
1383 int target = device->id;
1386 unsigned long flags;
1388 ha = (struct scsi_qla_host *)device->host->hostdata;
1391 if (qla1280_check_for_dead_scsi_bus(ha, bus))
1394 if (device->tagged_supported &&
1395 (ha->bus_settings[bus].qtag_enables & (BIT_0 << target))) {
1396 scsi_adjust_queue_depth(device, MSG_ORDERED_TAG,
1397 ha->bus_settings[bus].hiwat);
1399 scsi_adjust_queue_depth(device, 0, default_depth);
1402 #if LINUX_VERSION_CODE > 0x020500
1403 nv->bus[bus].target[target].parameter.f.enable_sync = device->sdtr;
1404 nv->bus[bus].target[target].parameter.f.enable_wide = device->wdtr;
1405 nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = device->ppr;
1408 if (driver_setup.no_sync ||
1409 (driver_setup.sync_mask &&
1410 (~driver_setup.sync_mask & (1 << target))))
1411 nv->bus[bus].target[target].parameter.f.enable_sync = 0;
1412 if (driver_setup.no_wide ||
1413 (driver_setup.wide_mask &&
1414 (~driver_setup.wide_mask & (1 << target))))
1415 nv->bus[bus].target[target].parameter.f.enable_wide = 0;
1416 if (IS_ISP1x160(ha)) {
1417 if (driver_setup.no_ppr ||
1418 (driver_setup.ppr_mask &&
1419 (~driver_setup.ppr_mask & (1 << target))))
1420 nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 0;
1423 spin_lock_irqsave(HOST_LOCK, flags);
1424 if (nv->bus[bus].target[target].parameter.f.enable_sync)
1425 status = qla1280_set_target_parameters(ha, bus, target);
1426 qla1280_get_target_parameters(ha, device);
1427 spin_unlock_irqrestore(HOST_LOCK, flags);
1431 #if LINUX_VERSION_CODE < 0x020545
1432 /**************************************************************************
1433 * qla1280_select_queue_depth
1435 * Sets the queue depth for each SCSI device hanging off the input
1436 * host adapter. We use a queue depth of 2 for devices that do not
1437 * support tagged queueing.
1438 **************************************************************************/
1440 qla1280_select_queue_depth(struct Scsi_Host *host, struct scsi_device *sdev_q)
1442 struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata;
1443 struct scsi_device *sdev;
1445 ENTER("qla1280_select_queue_depth");
1446 for (sdev = sdev_q; sdev; sdev = sdev->next)
1447 if (sdev->host == host)
1448 qla1280_slave_configure(sdev);
1451 qla1280_check_for_dead_scsi_bus(ha, sdev_q->channel);
1452 LEAVE("qla1280_select_queue_depth");
1458 * Process completed commands.
1461 * ha = adapter block pointer.
1464 qla1280_done(struct scsi_qla_host *ha)
1467 struct list_head *done_q;
1468 int bus, target, lun;
1469 struct scsi_cmnd *cmd;
1471 ENTER("qla1280_done");
1473 done_q = &ha->done_q;
1475 while (!list_empty(done_q)) {
1476 sp = list_entry(done_q->next, struct srb, list);
1478 list_del(&sp->list);
1481 bus = SCSI_BUS_32(cmd);
1482 target = SCSI_TCN_32(cmd);
1483 lun = SCSI_LUN_32(cmd);
1485 switch ((CMD_RESULT(cmd) >> 16)) {
1487 /* Issue marker command. */
1488 qla1280_marker(ha, bus, target, 0, MK_SYNC_ID);
1491 sp->flags &= ~SRB_ABORT_PENDING;
1492 sp->flags |= SRB_ABORTED;
1493 if (sp->flags & SRB_TIMEOUT)
1494 CMD_RESULT(sp->cmd) = DID_TIME_OUT << 16;
1500 /* Release memory used for this I/O */
1502 pci_unmap_sg(ha->pdev, cmd->request_buffer,
1503 cmd->use_sg, cmd->sc_data_direction);
1504 } else if (cmd->request_bufflen) {
1505 pci_unmap_single(ha->pdev, sp->saved_dma_handle,
1506 cmd->request_bufflen,
1507 cmd->sc_data_direction);
1510 /* Call the mid-level driver interrupt handler */
1511 CMD_HANDLE(sp->cmd) = (unsigned char *)INVALID_HANDLE;
1514 #if LINUX_VERSION_CODE < 0x020500
1515 if (cmd->cmnd[0] == INQUIRY)
1516 qla1280_get_target_options(cmd, ha);
1518 (*(cmd)->scsi_done)(cmd);
1520 if(sp->wait != NULL)
1523 LEAVE("qla1280_done");
1527 * Translates a ISP error to a Linux SCSI error
1530 qla1280_return_status(struct response * sts, struct scsi_cmnd *cp)
1532 int host_status = DID_ERROR;
1533 uint16_t comp_status = le16_to_cpu(sts->comp_status);
1534 uint16_t state_flags = le16_to_cpu(sts->state_flags);
1535 uint16_t residual_length = le16_to_cpu(sts->residual_length);
1536 uint16_t scsi_status = le16_to_cpu(sts->scsi_status);
1537 #if DEBUG_QLA1280_INTR
1538 static char *reason[] = {
1550 #endif /* DEBUG_QLA1280_INTR */
1552 ENTER("qla1280_return_status");
1554 #if DEBUG_QLA1280_INTR
1556 dprintk(1, "qla1280_return_status: compl status = 0x%04x\n",
1561 switch (comp_status) {
1563 host_status = DID_OK;
1567 if (!(state_flags & SF_GOT_BUS))
1568 host_status = DID_NO_CONNECT;
1569 else if (!(state_flags & SF_GOT_TARGET))
1570 host_status = DID_BAD_TARGET;
1571 else if (!(state_flags & SF_SENT_CDB))
1572 host_status = DID_ERROR;
1573 else if (!(state_flags & SF_TRANSFERRED_DATA))
1574 host_status = DID_ERROR;
1575 else if (!(state_flags & SF_GOT_STATUS))
1576 host_status = DID_ERROR;
1577 else if (!(state_flags & SF_GOT_SENSE))
1578 host_status = DID_ERROR;
1582 host_status = DID_RESET;
1586 host_status = DID_ABORT;
1590 host_status = DID_TIME_OUT;
1593 case CS_DATA_OVERRUN:
1594 dprintk(2, "Data overrun 0x%x\n", residual_length);
1595 dprintk(2, "qla1280_return_status: response packet data\n");
1596 qla1280_dump_buffer(2, (char *)sts, RESPONSE_ENTRY_SIZE);
1597 host_status = DID_ERROR;
1600 case CS_DATA_UNDERRUN:
1601 if ((cp->request_bufflen - residual_length) <
1604 "scsi: Underflow detected - retrying "
1606 host_status = DID_ERROR;
1608 host_status = DID_OK;
1612 host_status = DID_ERROR;
1616 #if DEBUG_QLA1280_INTR
1617 dprintk(1, "qla1280 ISP status: host status (%s) scsi status %x\n",
1618 reason[host_status], scsi_status);
1621 LEAVE("qla1280_return_status");
1623 return (scsi_status & 0xff) | (host_status << 16);
1626 /****************************************************************************/
1627 /* QLogic ISP1280 Hardware Support Functions. */
1628 /****************************************************************************/
1631 * qla1280_initialize_adapter
1635 * ha = adapter block pointer.
1640 static int __devinit
1641 qla1280_initialize_adapter(struct scsi_qla_host *ha)
1643 struct device_reg __iomem *reg;
1646 #if LINUX_VERSION_CODE > 0x020500
1647 unsigned long flags;
1650 ENTER("qla1280_initialize_adapter");
1652 /* Clear adapter flags. */
1653 ha->flags.online = 0;
1654 ha->flags.disable_host_adapter = 0;
1655 ha->flags.reset_active = 0;
1656 ha->flags.abort_isp_active = 0;
1658 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1659 if (ia64_platform_is("sn2")) {
1660 printk(KERN_INFO "scsi(%li): Enabling SN2 PCI DMA "
1661 "dual channel lockup workaround\n", ha->host_no);
1662 ha->flags.use_pci_vchannel = 1;
1663 driver_setup.no_nvram = 1;
1667 /* TODO: implement support for the 1040 nvram format */
1669 driver_setup.no_nvram = 1;
1671 dprintk(1, "Configure PCI space for adapter...\n");
1675 /* Insure mailbox registers are free. */
1676 WRT_REG_WORD(®->semaphore, 0);
1677 WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT);
1678 WRT_REG_WORD(®->host_cmd, HC_CLR_HOST_INT);
1679 RD_REG_WORD(®->host_cmd);
1681 if (qla1280_read_nvram(ha)) {
1682 dprintk(2, "qla1280_initialize_adapter: failed to read "
1686 #if LINUX_VERSION_CODE >= 0x020500
1688 * It's necessary to grab the spin here as qla1280_mailbox_command
1689 * needs to be able to drop the lock unconditionally to wait
1691 * In 2.4 ->detect is called with the io_request_lock held.
1693 spin_lock_irqsave(HOST_LOCK, flags);
1696 status = qla1280_load_firmware(ha);
1698 printk(KERN_ERR "scsi(%li): initialize: pci probe failed!\n",
1703 /* Setup adapter based on NVRAM parameters. */
1704 dprintk(1, "scsi(%ld): Configure NVRAM parameters\n", ha->host_no);
1705 qla1280_nvram_config(ha);
1707 if (ha->flags.disable_host_adapter) {
1712 status = qla1280_init_rings(ha);
1716 /* Issue SCSI reset, if we can't reset twice then bus is dead */
1717 for (bus = 0; bus < ha->ports; bus++) {
1718 if (!ha->bus_settings[bus].disable_scsi_reset &&
1719 qla1280_bus_reset(ha, bus) &&
1720 qla1280_bus_reset(ha, bus))
1721 ha->bus_settings[bus].scsi_bus_dead = 1;
1724 ha->flags.online = 1;
1726 #if LINUX_VERSION_CODE >= 0x020500
1727 spin_unlock_irqrestore(HOST_LOCK, flags);
1730 dprintk(2, "qla1280_initialize_adapter: **** FAILED ****\n");
1732 LEAVE("qla1280_initialize_adapter");
1738 * Test chip for proper operation.
1741 * ha = adapter block pointer.
1747 qla1280_chip_diag(struct scsi_qla_host *ha)
1749 uint16_t mb[MAILBOX_REGISTER_COUNT];
1750 struct device_reg __iomem *reg = ha->iobase;
1754 dprintk(3, "qla1280_chip_diag: testing device at 0x%p \n", ®->id_l);
1756 dprintk(1, "scsi(%ld): Verifying chip\n", ha->host_no);
1758 /* Soft reset chip and wait for it to finish. */
1759 WRT_REG_WORD(®->ictrl, ISP_RESET);
1762 * We can't do a traditional PCI write flush here by reading
1763 * back the register. The card will not respond once the reset
1764 * is in action and we end up with a machine check exception
1765 * instead. Nothing to do but wait and hope for the best.
1766 * A portable pci_write_flush(pdev) call would be very useful here.
1769 data = qla1280_debounce_register(®->ictrl);
1771 * Yet another QLogic gem ;-(
1773 for (cnt = 1000000; cnt && data & ISP_RESET; cnt--) {
1775 data = RD_REG_WORD(®->ictrl);
1781 /* Reset register cleared by chip reset. */
1782 dprintk(3, "qla1280_chip_diag: reset register cleared by chip reset\n");
1784 WRT_REG_WORD(®->cfg_1, 0);
1786 /* Reset RISC and disable BIOS which
1787 allows RISC to execute out of RAM. */
1788 WRT_REG_WORD(®->host_cmd, HC_RESET_RISC |
1789 HC_RELEASE_RISC | HC_DISABLE_BIOS);
1791 RD_REG_WORD(®->id_l); /* Flush PCI write */
1792 data = qla1280_debounce_register(®->mailbox0);
1795 * I *LOVE* this code!
1797 for (cnt = 1000000; cnt && data == MBS_BUSY; cnt--) {
1799 data = RD_REG_WORD(®->mailbox0);
1805 /* Check product ID of chip */
1806 dprintk(3, "qla1280_chip_diag: Checking product ID of chip\n");
1808 if (RD_REG_WORD(®->mailbox1) != PROD_ID_1 ||
1809 (RD_REG_WORD(®->mailbox2) != PROD_ID_2 &&
1810 RD_REG_WORD(®->mailbox2) != PROD_ID_2a) ||
1811 RD_REG_WORD(®->mailbox3) != PROD_ID_3 ||
1812 RD_REG_WORD(®->mailbox4) != PROD_ID_4) {
1813 printk(KERN_INFO "qla1280: Wrong product ID = "
1814 "0x%x,0x%x,0x%x,0x%x\n",
1815 RD_REG_WORD(®->mailbox1),
1816 RD_REG_WORD(®->mailbox2),
1817 RD_REG_WORD(®->mailbox3),
1818 RD_REG_WORD(®->mailbox4));
1823 * Enable ints early!!!
1825 qla1280_enable_intrs(ha);
1827 dprintk(1, "qla1280_chip_diag: Checking mailboxes of chip\n");
1828 /* Wrap Incoming Mailboxes Test. */
1829 mb[0] = MBC_MAILBOX_REGISTER_TEST;
1838 status = qla1280_mailbox_command(ha, 0xff, mb);
1842 if (mb[1] != 0xAAAA || mb[2] != 0x5555 || mb[3] != 0xAA55 ||
1843 mb[4] != 0x55AA || mb[5] != 0xA5A5 || mb[6] != 0x5A5A ||
1845 printk(KERN_INFO "qla1280: Failed mbox check\n");
1849 dprintk(3, "qla1280_chip_diag: exiting normally\n");
1852 dprintk(2, "qla1280_chip_diag: **** FAILED ****\n");
1857 qla1280_load_firmware_pio(struct scsi_qla_host *ha)
1859 uint16_t risc_address, *risc_code_address, risc_code_size;
1860 uint16_t mb[MAILBOX_REGISTER_COUNT], i;
1863 /* Load RISC code. */
1864 risc_address = *ql1280_board_tbl[ha->devnum].fwstart;
1865 risc_code_address = ql1280_board_tbl[ha->devnum].fwcode;
1866 risc_code_size = *ql1280_board_tbl[ha->devnum].fwlen;
1868 for (i = 0; i < risc_code_size; i++) {
1869 mb[0] = MBC_WRITE_RAM_WORD;
1870 mb[1] = risc_address + i;
1871 mb[2] = risc_code_address[i];
1873 err = qla1280_mailbox_command(ha, BIT_0 | BIT_1 | BIT_2, mb);
1875 printk(KERN_ERR "scsi(%li): Failed to load firmware\n",
1884 #define DUMP_IT_BACK 0 /* for debug of RISC loading */
1886 qla1280_load_firmware_dma(struct scsi_qla_host *ha)
1888 uint16_t risc_address, *risc_code_address, risc_code_size;
1889 uint16_t mb[MAILBOX_REGISTER_COUNT], cnt;
1890 int err = 0, num, i;
1895 tbuf = pci_alloc_consistent(ha->pdev, 8000, &p_tbuf);
1900 /* Load RISC code. */
1901 risc_address = *ql1280_board_tbl[ha->devnum].fwstart;
1902 risc_code_address = ql1280_board_tbl[ha->devnum].fwcode;
1903 risc_code_size = *ql1280_board_tbl[ha->devnum].fwlen;
1905 dprintk(1, "%s: DMA RISC code (%i) words\n",
1906 __FUNCTION__, risc_code_size);
1909 while (risc_code_size > 0) {
1910 int warn __attribute__((unused)) = 0;
1914 if (cnt > risc_code_size)
1915 cnt = risc_code_size;
1917 dprintk(2, "qla1280_setup_chip: loading risc @ =(0x%p),"
1919 risc_code_address, cnt, num, risc_address);
1920 for(i = 0; i < cnt; i++)
1921 ((uint16_t *)ha->request_ring)[i] =
1922 cpu_to_le16(risc_code_address[i]);
1924 mb[0] = MBC_LOAD_RAM;
1925 mb[1] = risc_address;
1927 mb[3] = ha->request_dma & 0xffff;
1928 mb[2] = (ha->request_dma >> 16) & 0xffff;
1929 mb[7] = pci_dma_hi32(ha->request_dma) & 0xffff;
1930 mb[6] = pci_dma_hi32(ha->request_dma) >> 16;
1931 dprintk(2, "%s: op=%d 0x%p = 0x%4x,0x%4x,0x%4x,0x%4x\n",
1932 __FUNCTION__, mb[0],
1933 (void *)(long)ha->request_dma,
1934 mb[6], mb[7], mb[2], mb[3]);
1935 err = qla1280_mailbox_command(ha, BIT_4 | BIT_3 | BIT_2 |
1938 printk(KERN_ERR "scsi(%li): Failed to load partial "
1939 "segment of f\n", ha->host_no);
1944 mb[0] = MBC_DUMP_RAM;
1945 mb[1] = risc_address;
1947 mb[3] = p_tbuf & 0xffff;
1948 mb[2] = (p_tbuf >> 16) & 0xffff;
1949 mb[7] = pci_dma_hi32(p_tbuf) & 0xffff;
1950 mb[6] = pci_dma_hi32(p_tbuf) >> 16;
1952 err = qla1280_mailbox_command(ha, BIT_4 | BIT_3 | BIT_2 |
1956 "Failed to dump partial segment of f/w\n");
1959 sp = (uint8_t *)ha->request_ring;
1960 for (i = 0; i < (cnt << 1); i++) {
1961 if (tbuf[i] != sp[i] && warn++ < 10) {
1962 printk(KERN_ERR "%s: FW compare error @ "
1963 "byte(0x%x) loop#=%x\n",
1964 __FUNCTION__, i, num);
1965 printk(KERN_ERR "%s: FWbyte=%x "
1967 __FUNCTION__, sp[i], tbuf[i]);
1972 risc_address += cnt;
1973 risc_code_size = risc_code_size - cnt;
1974 risc_code_address = risc_code_address + cnt;
1980 pci_free_consistent(ha->pdev, 8000, tbuf, p_tbuf);
1986 qla1280_start_firmware(struct scsi_qla_host *ha)
1988 uint16_t mb[MAILBOX_REGISTER_COUNT];
1991 dprintk(1, "%s: Verifying checksum of loaded RISC code.\n",
1994 /* Verify checksum of loaded RISC code. */
1995 mb[0] = MBC_VERIFY_CHECKSUM;
1996 /* mb[1] = ql12_risc_code_addr01; */
1997 mb[1] = *ql1280_board_tbl[ha->devnum].fwstart;
1998 err = qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb);
2000 printk(KERN_ERR "scsi(%li): RISC checksum failed.\n", ha->host_no);
2004 /* Start firmware execution. */
2005 dprintk(1, "%s: start firmware running.\n", __FUNCTION__);
2006 mb[0] = MBC_EXECUTE_FIRMWARE;
2007 mb[1] = *ql1280_board_tbl[ha->devnum].fwstart;
2008 err = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]);
2010 printk(KERN_ERR "scsi(%li): Failed to start firmware\n",
2018 qla1280_load_firmware(struct scsi_qla_host *ha)
2022 err = qla1280_chip_diag(ha);
2026 err = qla1280_load_firmware_pio(ha);
2028 err = qla1280_load_firmware_dma(ha);
2031 err = qla1280_start_firmware(ha);
2040 * ha = adapter block pointer.
2041 * ha->request_ring = request ring virtual address
2042 * ha->response_ring = response ring virtual address
2043 * ha->request_dma = request ring physical address
2044 * ha->response_dma = response ring physical address
2050 qla1280_init_rings(struct scsi_qla_host *ha)
2052 uint16_t mb[MAILBOX_REGISTER_COUNT];
2055 ENTER("qla1280_init_rings");
2057 /* Clear outstanding commands array. */
2058 memset(ha->outstanding_cmds, 0,
2059 sizeof(struct srb *) * MAX_OUTSTANDING_COMMANDS);
2061 /* Initialize request queue. */
2062 ha->request_ring_ptr = ha->request_ring;
2063 ha->req_ring_index = 0;
2064 ha->req_q_cnt = REQUEST_ENTRY_CNT;
2065 /* mb[0] = MBC_INIT_REQUEST_QUEUE; */
2066 mb[0] = MBC_INIT_REQUEST_QUEUE_A64;
2067 mb[1] = REQUEST_ENTRY_CNT;
2068 mb[3] = ha->request_dma & 0xffff;
2069 mb[2] = (ha->request_dma >> 16) & 0xffff;
2071 mb[7] = pci_dma_hi32(ha->request_dma) & 0xffff;
2072 mb[6] = pci_dma_hi32(ha->request_dma) >> 16;
2073 if (!(status = qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_4 |
2074 BIT_3 | BIT_2 | BIT_1 | BIT_0,
2076 /* Initialize response queue. */
2077 ha->response_ring_ptr = ha->response_ring;
2078 ha->rsp_ring_index = 0;
2079 /* mb[0] = MBC_INIT_RESPONSE_QUEUE; */
2080 mb[0] = MBC_INIT_RESPONSE_QUEUE_A64;
2081 mb[1] = RESPONSE_ENTRY_CNT;
2082 mb[3] = ha->response_dma & 0xffff;
2083 mb[2] = (ha->response_dma >> 16) & 0xffff;
2085 mb[7] = pci_dma_hi32(ha->response_dma) & 0xffff;
2086 mb[6] = pci_dma_hi32(ha->response_dma) >> 16;
2087 status = qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_5 |
2088 BIT_3 | BIT_2 | BIT_1 | BIT_0,
2093 dprintk(2, "qla1280_init_rings: **** FAILED ****\n");
2095 LEAVE("qla1280_init_rings");
2100 qla1280_print_settings(struct nvram *nv)
2102 dprintk(1, "qla1280 : initiator scsi id bus[0]=%d\n",
2103 nv->bus[0].config_1.initiator_id);
2104 dprintk(1, "qla1280 : initiator scsi id bus[1]=%d\n",
2105 nv->bus[1].config_1.initiator_id);
2107 dprintk(1, "qla1280 : bus reset delay[0]=%d\n",
2108 nv->bus[0].bus_reset_delay);
2109 dprintk(1, "qla1280 : bus reset delay[1]=%d\n",
2110 nv->bus[1].bus_reset_delay);
2112 dprintk(1, "qla1280 : retry count[0]=%d\n", nv->bus[0].retry_count);
2113 dprintk(1, "qla1280 : retry delay[0]=%d\n", nv->bus[0].retry_delay);
2114 dprintk(1, "qla1280 : retry count[1]=%d\n", nv->bus[1].retry_count);
2115 dprintk(1, "qla1280 : retry delay[1]=%d\n", nv->bus[1].retry_delay);
2117 dprintk(1, "qla1280 : async data setup time[0]=%d\n",
2118 nv->bus[0].config_2.async_data_setup_time);
2119 dprintk(1, "qla1280 : async data setup time[1]=%d\n",
2120 nv->bus[1].config_2.async_data_setup_time);
2122 dprintk(1, "qla1280 : req/ack active negation[0]=%d\n",
2123 nv->bus[0].config_2.req_ack_active_negation);
2124 dprintk(1, "qla1280 : req/ack active negation[1]=%d\n",
2125 nv->bus[1].config_2.req_ack_active_negation);
2127 dprintk(1, "qla1280 : data line active negation[0]=%d\n",
2128 nv->bus[0].config_2.data_line_active_negation);
2129 dprintk(1, "qla1280 : data line active negation[1]=%d\n",
2130 nv->bus[1].config_2.data_line_active_negation);
2132 dprintk(1, "qla1280 : disable loading risc code=%d\n",
2133 nv->cntr_flags_1.disable_loading_risc_code);
2135 dprintk(1, "qla1280 : enable 64bit addressing=%d\n",
2136 nv->cntr_flags_1.enable_64bit_addressing);
2138 dprintk(1, "qla1280 : selection timeout limit[0]=%d\n",
2139 nv->bus[0].selection_timeout);
2140 dprintk(1, "qla1280 : selection timeout limit[1]=%d\n",
2141 nv->bus[1].selection_timeout);
2143 dprintk(1, "qla1280 : max queue depth[0]=%d\n",
2144 nv->bus[0].max_queue_depth);
2145 dprintk(1, "qla1280 : max queue depth[1]=%d\n",
2146 nv->bus[1].max_queue_depth);
2150 qla1280_set_target_defaults(struct scsi_qla_host *ha, int bus, int target)
2152 struct nvram *nv = &ha->nvram;
2154 nv->bus[bus].target[target].parameter.f.renegotiate_on_error = 1;
2155 nv->bus[bus].target[target].parameter.f.auto_request_sense = 1;
2156 nv->bus[bus].target[target].parameter.f.tag_queuing = 1;
2157 nv->bus[bus].target[target].parameter.f.enable_sync = 1;
2158 #if 1 /* Some SCSI Processors do not seem to like this */
2159 nv->bus[bus].target[target].parameter.f.enable_wide = 1;
2161 nv->bus[bus].target[target].parameter.f.parity_checking = 1;
2162 nv->bus[bus].target[target].parameter.f.disconnect_allowed = 1;
2163 nv->bus[bus].target[target].execution_throttle =
2164 nv->bus[bus].max_queue_depth - 1;
2166 if (IS_ISP1x160(ha)) {
2167 nv->bus[bus].target[target].flags.flags1x160.device_enable = 1;
2168 nv->bus[bus].target[target].flags.flags1x160.sync_offset = 0x0e;
2169 nv->bus[bus].target[target].sync_period = 9;
2170 nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 1;
2171 nv->bus[bus].target[target].ppr_1x160.flags.ppr_options = 2;
2172 nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width = 1;
2174 nv->bus[bus].target[target].flags.flags1x80.device_enable = 1;
2175 nv->bus[bus].target[target].flags.flags1x80.sync_offset = 12;
2176 nv->bus[bus].target[target].sync_period = 10;
2181 qla1280_set_defaults(struct scsi_qla_host *ha)
2183 struct nvram *nv = &ha->nvram;
2186 dprintk(1, "Using defaults for NVRAM: \n");
2187 memset(nv, 0, sizeof(struct nvram));
2189 /* nv->cntr_flags_1.disable_loading_risc_code = 1; */
2190 nv->firmware_feature.f.enable_fast_posting = 1;
2191 nv->firmware_feature.f.disable_synchronous_backoff = 1;
2192 nv->termination.f.scsi_bus_0_control = 3;
2193 nv->termination.f.scsi_bus_1_control = 3;
2194 nv->termination.f.auto_term_support = 1;
2197 * Set default FIFO magic - What appropriate values would be here
2198 * is unknown. This is what I have found testing with 12160s.
2200 * Now, I would love the magic decoder ring for this one, the
2201 * header file provided by QLogic seems to be bogus or incomplete
2204 nv->isp_config.c = ISP_CFG1_BENAB|ISP_CFG1_F128;
2205 if (IS_ISP1x160(ha))
2206 nv->isp_parameter = 0x01; /* fast memory enable */
2208 for (bus = 0; bus < MAX_BUSES; bus++) {
2209 nv->bus[bus].config_1.initiator_id = 7;
2210 nv->bus[bus].config_2.req_ack_active_negation = 1;
2211 nv->bus[bus].config_2.data_line_active_negation = 1;
2212 nv->bus[bus].selection_timeout = 250;
2213 nv->bus[bus].max_queue_depth = 256;
2215 if (IS_ISP1040(ha)) {
2216 nv->bus[bus].bus_reset_delay = 3;
2217 nv->bus[bus].config_2.async_data_setup_time = 6;
2218 nv->bus[bus].retry_delay = 1;
2220 nv->bus[bus].bus_reset_delay = 5;
2221 nv->bus[bus].config_2.async_data_setup_time = 8;
2224 for (target = 0; target < MAX_TARGETS; target++)
2225 qla1280_set_target_defaults(ha, bus, target);
2230 qla1280_config_target(struct scsi_qla_host *ha, int bus, int target)
2232 struct nvram *nv = &ha->nvram;
2233 uint16_t mb[MAILBOX_REGISTER_COUNT];
2236 /* Set Target Parameters. */
2237 mb[0] = MBC_SET_TARGET_PARAMETERS;
2238 mb[1] = (uint16_t) (bus ? target | BIT_7 : target);
2242 * Do not enable wide, sync, and ppr for the initial
2243 * INQUIRY run. We enable this later if we determine
2244 * the target actually supports it.
2246 nv->bus[bus].target[target].parameter.f.
2247 auto_request_sense = 1;
2248 nv->bus[bus].target[target].parameter.f.
2249 stop_queue_on_check = 0;
2251 if (IS_ISP1x160(ha))
2252 nv->bus[bus].target[target].ppr_1x160.
2253 flags.enable_ppr = 0;
2256 * No sync, wide, etc. while probing
2258 mb[2] = (nv->bus[bus].target[target].parameter.c << 8) &
2259 ~(TP_SYNC /*| TP_WIDE | TP_PPR*/);
2261 if (IS_ISP1x160(ha))
2262 mb[3] = nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8;
2264 mb[3] = nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8;
2265 mb[3] |= nv->bus[bus].target[target].sync_period;
2267 status = qla1280_mailbox_command(ha, BIT_3 | BIT_2 | BIT_1 | BIT_0, &mb[0]);
2269 /* Save Tag queuing enable flag. */
2270 mb[0] = BIT_0 << target;
2271 if (nv->bus[bus].target[target].parameter.f.tag_queuing)
2272 ha->bus_settings[bus].qtag_enables |= mb[0];
2274 /* Save Device enable flag. */
2275 if (IS_ISP1x160(ha)) {
2276 if (nv->bus[bus].target[target].flags.flags1x160.device_enable)
2277 ha->bus_settings[bus].device_enables |= mb[0];
2278 ha->bus_settings[bus].lun_disables |= 0;
2280 if (nv->bus[bus].target[target].flags.flags1x80.device_enable)
2281 ha->bus_settings[bus].device_enables |= mb[0];
2282 /* Save LUN disable flag. */
2283 if (nv->bus[bus].target[target].flags.flags1x80.lun_disable)
2284 ha->bus_settings[bus].lun_disables |= mb[0];
2287 /* Set Device Queue Parameters. */
2288 for (lun = 0; lun < MAX_LUNS; lun++) {
2289 mb[0] = MBC_SET_DEVICE_QUEUE;
2290 mb[1] = (uint16_t)(bus ? target | BIT_7 : target);
2291 mb[1] = mb[1] << 8 | lun;
2292 mb[2] = nv->bus[bus].max_queue_depth;
2293 mb[3] = nv->bus[bus].target[target].execution_throttle;
2294 status |= qla1280_mailbox_command(ha, 0x0f, &mb[0]);
2301 qla1280_config_bus(struct scsi_qla_host *ha, int bus)
2303 struct nvram *nv = &ha->nvram;
2304 uint16_t mb[MAILBOX_REGISTER_COUNT];
2307 /* SCSI Reset Disable. */
2308 ha->bus_settings[bus].disable_scsi_reset =
2309 nv->bus[bus].config_1.scsi_reset_disable;
2312 ha->bus_settings[bus].id = nv->bus[bus].config_1.initiator_id;
2313 mb[0] = MBC_SET_INITIATOR_ID;
2314 mb[1] = bus ? ha->bus_settings[bus].id | BIT_7 :
2315 ha->bus_settings[bus].id;
2316 status = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]);
2319 ha->bus_settings[bus].bus_reset_delay =
2320 nv->bus[bus].bus_reset_delay;
2322 /* Command queue depth per device. */
2323 ha->bus_settings[bus].hiwat = nv->bus[bus].max_queue_depth - 1;
2325 /* Set target parameters. */
2326 for (target = 0; target < MAX_TARGETS; target++)
2327 status |= qla1280_config_target(ha, bus, target);
2333 qla1280_nvram_config(struct scsi_qla_host *ha)
2335 struct device_reg __iomem *reg = ha->iobase;
2336 struct nvram *nv = &ha->nvram;
2337 int bus, target, status = 0;
2338 uint16_t mb[MAILBOX_REGISTER_COUNT];
2341 ENTER("qla1280_nvram_config");
2343 if (ha->nvram_valid) {
2344 /* Always force AUTO sense for LINUX SCSI */
2345 for (bus = 0; bus < MAX_BUSES; bus++)
2346 for (target = 0; target < MAX_TARGETS; target++) {
2347 nv->bus[bus].target[target].parameter.f.
2348 auto_request_sense = 1;
2351 qla1280_set_defaults(ha);
2354 qla1280_print_settings(nv);
2356 /* Disable RISC load of firmware. */
2357 ha->flags.disable_risc_code_load =
2358 nv->cntr_flags_1.disable_loading_risc_code;
2360 if (IS_ISP1040(ha)) {
2361 uint16_t hwrev, cfg1, cdma_conf, ddma_conf;
2363 hwrev = RD_REG_WORD(®->cfg_0) & ISP_CFG0_HWMSK;
2365 cfg1 = RD_REG_WORD(®->cfg_1);
2366 cdma_conf = RD_REG_WORD(®->cdma_cfg);
2367 ddma_conf = RD_REG_WORD(®->ddma_cfg);
2369 /* Busted fifo, says mjacob. */
2370 if (hwrev == ISP_CFG0_1040A)
2371 WRT_REG_WORD(®->cfg_1, cfg1 | ISP_CFG1_F64);
2373 WRT_REG_WORD(®->cfg_1, cfg1 | ISP_CFG1_F64 | ISP_CFG1_BENAB);
2375 WRT_REG_WORD(®->cdma_cfg, cdma_conf | CDMA_CONF_BENAB);
2376 WRT_REG_WORD(®->ddma_cfg, cdma_conf | DDMA_CONF_BENAB);
2378 /* Set ISP hardware DMA burst */
2379 mb[0] = nv->isp_config.c;
2380 /* Enable DMA arbitration on dual channel controllers */
2383 WRT_REG_WORD(®->cfg_1, mb[0]);
2385 /* Set SCSI termination. */
2386 WRT_REG_WORD(®->gpio_enable, (BIT_3 + BIT_2 + BIT_1 + BIT_0));
2387 mb[0] = nv->termination.c & (BIT_3 + BIT_2 + BIT_1 + BIT_0);
2388 WRT_REG_WORD(®->gpio_data, mb[0]);
2391 /* ISP parameter word. */
2392 mb[0] = MBC_SET_SYSTEM_PARAMETER;
2393 mb[1] = nv->isp_parameter;
2394 status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]);
2396 if (IS_ISP1x40(ha)) {
2397 /* clock rate - for qla1240 and older, only */
2398 mb[0] = MBC_SET_CLOCK_RATE;
2400 status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb);
2403 /* Firmware feature word. */
2404 mb[0] = MBC_SET_FIRMWARE_FEATURES;
2405 mask = BIT_5 | BIT_1 | BIT_0;
2406 mb[1] = le16_to_cpu(nv->firmware_feature.w) & (mask);
2407 #if defined(CONFIG_IA64_GENERIC) || defined (CONFIG_IA64_SGI_SN2)
2408 if (ia64_platform_is("sn2")) {
2409 printk(KERN_INFO "scsi(%li): Enabling SN2 PCI DMA "
2410 "workaround\n", ha->host_no);
2414 status |= qla1280_mailbox_command(ha, mask, &mb[0]);
2416 /* Retry count and delay. */
2417 mb[0] = MBC_SET_RETRY_COUNT;
2418 mb[1] = nv->bus[0].retry_count;
2419 mb[2] = nv->bus[0].retry_delay;
2420 mb[6] = nv->bus[1].retry_count;
2421 mb[7] = nv->bus[1].retry_delay;
2422 status |= qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_2 |
2423 BIT_1 | BIT_0, &mb[0]);
2425 /* ASYNC data setup time. */
2426 mb[0] = MBC_SET_ASYNC_DATA_SETUP;
2427 mb[1] = nv->bus[0].config_2.async_data_setup_time;
2428 mb[2] = nv->bus[1].config_2.async_data_setup_time;
2429 status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]);
2431 /* Active negation states. */
2432 mb[0] = MBC_SET_ACTIVE_NEGATION;
2434 if (nv->bus[0].config_2.req_ack_active_negation)
2436 if (nv->bus[0].config_2.data_line_active_negation)
2439 if (nv->bus[1].config_2.req_ack_active_negation)
2441 if (nv->bus[1].config_2.data_line_active_negation)
2443 status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]);
2445 mb[0] = MBC_SET_DATA_OVERRUN_RECOVERY;
2446 mb[1] = 2; /* Reset SCSI bus and return all outstanding IO */
2447 status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]);
2450 mb[0] = MBC_SET_PCI_CONTROL;
2451 mb[1] = 2; /* Data DMA Channel Burst Enable */
2452 mb[2] = 2; /* Command DMA Channel Burst Enable */
2453 status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]);
2455 mb[0] = MBC_SET_TAG_AGE_LIMIT;
2457 status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]);
2459 /* Selection timeout. */
2460 mb[0] = MBC_SET_SELECTION_TIMEOUT;
2461 mb[1] = nv->bus[0].selection_timeout;
2462 mb[2] = nv->bus[1].selection_timeout;
2463 status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]);
2465 for (bus = 0; bus < ha->ports; bus++)
2466 status |= qla1280_config_bus(ha, bus);
2469 dprintk(2, "qla1280_nvram_config: **** FAILED ****\n");
2471 LEAVE("qla1280_nvram_config");
2476 * Get NVRAM data word
2477 * Calculates word position in NVRAM and calls request routine to
2478 * get the word from NVRAM.
2481 * ha = adapter block pointer.
2482 * address = NVRAM word address.
2488 qla1280_get_nvram_word(struct scsi_qla_host *ha, uint32_t address)
2493 nv_cmd = address << 16;
2494 nv_cmd |= NV_READ_OP;
2496 data = le16_to_cpu(qla1280_nvram_request(ha, nv_cmd));
2498 dprintk(8, "qla1280_get_nvram_word: exiting normally NVRAM data = "
2506 * Sends read command to NVRAM and gets data from NVRAM.
2509 * ha = adapter block pointer.
2510 * nv_cmd = Bit 26 = start bit
2511 * Bit 25, 24 = opcode
2512 * Bit 23-16 = address
2513 * Bit 15-0 = write data
2519 qla1280_nvram_request(struct scsi_qla_host *ha, uint32_t nv_cmd)
2521 struct device_reg __iomem *reg = ha->iobase;
2526 /* Send command to NVRAM. */
2529 for (cnt = 0; cnt < 11; cnt++) {
2530 if (nv_cmd & BIT_31)
2531 qla1280_nv_write(ha, NV_DATA_OUT);
2533 qla1280_nv_write(ha, 0);
2537 /* Read data from NVRAM. */
2539 for (cnt = 0; cnt < 16; cnt++) {
2540 WRT_REG_WORD(®->nvram, (NV_SELECT | NV_CLOCK));
2541 RD_REG_WORD(®->id_l); /* Flush PCI write */
2544 reg_data = RD_REG_WORD(®->nvram);
2545 if (reg_data & NV_DATA_IN)
2547 WRT_REG_WORD(®->nvram, NV_SELECT);
2548 RD_REG_WORD(®->id_l); /* Flush PCI write */
2552 /* Deselect chip. */
2554 WRT_REG_WORD(®->nvram, NV_DESELECT);
2555 RD_REG_WORD(®->id_l); /* Flush PCI write */
2562 qla1280_nv_write(struct scsi_qla_host *ha, uint16_t data)
2564 struct device_reg __iomem *reg = ha->iobase;
2566 WRT_REG_WORD(®->nvram, data | NV_SELECT);
2567 RD_REG_WORD(®->id_l); /* Flush PCI write */
2569 WRT_REG_WORD(®->nvram, data | NV_SELECT | NV_CLOCK);
2570 RD_REG_WORD(®->id_l); /* Flush PCI write */
2572 WRT_REG_WORD(®->nvram, data | NV_SELECT);
2573 RD_REG_WORD(®->id_l); /* Flush PCI write */
2579 * Issue mailbox command and waits for completion.
2582 * ha = adapter block pointer.
2583 * mr = mailbox registers to load.
2584 * mb = data pointer for mailbox registers.
2587 * mb[MAILBOX_REGISTER_COUNT] = returned mailbox data.
2593 qla1280_mailbox_command(struct scsi_qla_host *ha, uint8_t mr, uint16_t *mb)
2595 struct device_reg __iomem *reg = ha->iobase;
2601 uint16_t *optr, *iptr;
2602 uint16_t __iomem *mptr;
2604 DECLARE_COMPLETION(wait);
2605 struct timer_list timer;
2607 ENTER("qla1280_mailbox_command");
2609 if (ha->mailbox_wait) {
2610 printk(KERN_ERR "Warning mailbox wait already in use!\n");
2612 ha->mailbox_wait = &wait;
2615 * We really should start out by verifying that the mailbox is
2616 * available before starting sending the command data
2618 /* Load mailbox registers. */
2619 mptr = (uint16_t __iomem *) ®->mailbox0;
2621 for (cnt = 0; cnt < MAILBOX_REGISTER_COUNT; cnt++) {
2623 WRT_REG_WORD(mptr, (*iptr));
2631 /* Issue set host interrupt command. */
2633 /* set up a timer just in case we're really jammed */
2635 timer.expires = jiffies + 20*HZ;
2636 timer.data = (unsigned long)ha;
2637 timer.function = qla1280_mailbox_timeout;
2640 spin_unlock_irq(HOST_LOCK);
2641 WRT_REG_WORD(®->host_cmd, HC_SET_HOST_INT);
2642 data = qla1280_debounce_register(®->istatus);
2644 wait_for_completion(&wait);
2645 del_timer_sync(&timer);
2647 spin_lock_irq(HOST_LOCK);
2649 ha->mailbox_wait = NULL;
2651 /* Check for mailbox command timeout. */
2652 if (ha->mailbox_out[0] != MBS_CMD_CMP) {
2653 printk(KERN_WARNING "qla1280_mailbox_command: Command failed, "
2654 "mailbox0 = 0x%04x, mailbox_out0 = 0x%04x, istatus = "
2656 mb[0], ha->mailbox_out[0], RD_REG_WORD(®->istatus));
2657 printk(KERN_WARNING "m0 %04x, m1 %04x, m2 %04x, m3 %04x\n",
2658 RD_REG_WORD(®->mailbox0), RD_REG_WORD(®->mailbox1),
2659 RD_REG_WORD(®->mailbox2), RD_REG_WORD(®->mailbox3));
2660 printk(KERN_WARNING "m4 %04x, m5 %04x, m6 %04x, m7 %04x\n",
2661 RD_REG_WORD(®->mailbox4), RD_REG_WORD(®->mailbox5),
2662 RD_REG_WORD(®->mailbox6), RD_REG_WORD(®->mailbox7));
2666 /* Load return mailbox registers. */
2668 iptr = (uint16_t *) &ha->mailbox_out[0];
2669 mr = MAILBOX_REGISTER_COUNT;
2670 memcpy(optr, iptr, MAILBOX_REGISTER_COUNT * sizeof(uint16_t));
2673 /* Go check for any response interrupts pending. */
2674 qla1280_isr(ha, &done_q);
2677 if (ha->flags.reset_marker)
2678 qla1280_rst_aen(ha);
2681 if (!list_empty(&done_q))
2682 qla1280_done(ha, &done_q);
2686 dprintk(2, "qla1280_mailbox_command: **** FAILED, mailbox0 = "
2687 "0x%x ****\n", mb[0]);
2689 LEAVE("qla1280_mailbox_command");
2695 * Polls ISP for interrupts.
2698 * ha = adapter block pointer.
2701 qla1280_poll(struct scsi_qla_host *ha)
2703 struct device_reg __iomem *reg = ha->iobase;
2707 /* ENTER("qla1280_poll"); */
2709 /* Check for pending interrupts. */
2710 data = RD_REG_WORD(®->istatus);
2711 if (data & RISC_INT)
2712 qla1280_isr(ha, &done_q);
2714 if (!ha->mailbox_wait) {
2715 if (ha->flags.reset_marker)
2716 qla1280_rst_aen(ha);
2719 if (!list_empty(&done_q))
2722 /* LEAVE("qla1280_poll"); */
2727 * Issue SCSI bus reset.
2730 * ha = adapter block pointer.
2731 * bus = SCSI bus number.
2737 qla1280_bus_reset(struct scsi_qla_host *ha, int bus)
2739 uint16_t mb[MAILBOX_REGISTER_COUNT];
2740 uint16_t reset_delay;
2743 dprintk(3, "qla1280_bus_reset: entered\n");
2745 if (qla1280_verbose)
2746 printk(KERN_INFO "scsi(%li:%i): Resetting SCSI BUS\n",
2749 reset_delay = ha->bus_settings[bus].bus_reset_delay;
2750 mb[0] = MBC_BUS_RESET;
2751 mb[1] = reset_delay;
2752 mb[2] = (uint16_t) bus;
2753 status = qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]);
2756 if (ha->bus_settings[bus].failed_reset_count > 2)
2757 ha->bus_settings[bus].scsi_bus_dead = 1;
2758 ha->bus_settings[bus].failed_reset_count++;
2760 spin_unlock_irq(HOST_LOCK);
2761 ssleep(reset_delay);
2762 spin_lock_irq(HOST_LOCK);
2764 ha->bus_settings[bus].scsi_bus_dead = 0;
2765 ha->bus_settings[bus].failed_reset_count = 0;
2766 ha->bus_settings[bus].reset_marker = 0;
2767 /* Issue marker command. */
2768 qla1280_marker(ha, bus, 0, 0, MK_SYNC_ALL);
2772 * We should probably call qla1280_set_target_parameters()
2773 * here as well for all devices on the bus.
2777 dprintk(2, "qla1280_bus_reset: **** FAILED ****\n");
2779 dprintk(3, "qla1280_bus_reset: exiting normally\n");
2785 * qla1280_device_reset
2786 * Issue bus device reset message to the target.
2789 * ha = adapter block pointer.
2790 * bus = SCSI BUS number.
2797 qla1280_device_reset(struct scsi_qla_host *ha, int bus, int target)
2799 uint16_t mb[MAILBOX_REGISTER_COUNT];
2802 ENTER("qla1280_device_reset");
2804 mb[0] = MBC_ABORT_TARGET;
2805 mb[1] = (bus ? (target | BIT_7) : target) << 8;
2807 status = qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]);
2809 /* Issue marker command. */
2810 qla1280_marker(ha, bus, target, 0, MK_SYNC_ID);
2813 dprintk(2, "qla1280_device_reset: **** FAILED ****\n");
2815 LEAVE("qla1280_device_reset");
2820 * qla1280_abort_device
2821 * Issue an abort message to the device
2824 * ha = adapter block pointer.
2833 qla1280_abort_device(struct scsi_qla_host *ha, int bus, int target, int lun)
2835 uint16_t mb[MAILBOX_REGISTER_COUNT];
2838 ENTER("qla1280_abort_device");
2840 mb[0] = MBC_ABORT_DEVICE;
2841 mb[1] = (bus ? target | BIT_7 : target) << 8 | lun;
2842 status = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]);
2844 /* Issue marker command. */
2845 qla1280_marker(ha, bus, target, lun, MK_SYNC_ID_LUN);
2848 dprintk(2, "qla1280_abort_device: **** FAILED ****\n");
2850 LEAVE("qla1280_abort_device");
2855 * qla1280_abort_command
2856 * Abort command aborts a specified IOCB.
2859 * ha = adapter block pointer.
2860 * sp = SB structure pointer.
2866 qla1280_abort_command(struct scsi_qla_host *ha, struct srb * sp, int handle)
2868 uint16_t mb[MAILBOX_REGISTER_COUNT];
2869 unsigned int bus, target, lun;
2872 ENTER("qla1280_abort_command");
2874 bus = SCSI_BUS_32(sp->cmd);
2875 target = SCSI_TCN_32(sp->cmd);
2876 lun = SCSI_LUN_32(sp->cmd);
2878 sp->flags |= SRB_ABORT_PENDING;
2880 mb[0] = MBC_ABORT_COMMAND;
2881 mb[1] = (bus ? target | BIT_7 : target) << 8 | lun;
2882 mb[2] = handle >> 16;
2883 mb[3] = handle & 0xffff;
2884 status = qla1280_mailbox_command(ha, 0x0f, &mb[0]);
2887 dprintk(2, "qla1280_abort_command: **** FAILED ****\n");
2888 sp->flags &= ~SRB_ABORT_PENDING;
2892 LEAVE("qla1280_abort_command");
2897 * qla1280_reset_adapter
2901 * ha = adapter block pointer.
2904 qla1280_reset_adapter(struct scsi_qla_host *ha)
2906 struct device_reg __iomem *reg = ha->iobase;
2908 ENTER("qla1280_reset_adapter");
2910 /* Disable ISP chip */
2911 ha->flags.online = 0;
2912 WRT_REG_WORD(®->ictrl, ISP_RESET);
2913 WRT_REG_WORD(®->host_cmd,
2914 HC_RESET_RISC | HC_RELEASE_RISC | HC_DISABLE_BIOS);
2915 RD_REG_WORD(®->id_l); /* Flush PCI write */
2917 LEAVE("qla1280_reset_adapter");
2921 * Issue marker command.
2922 * Function issues marker IOCB.
2925 * ha = adapter block pointer.
2926 * bus = SCSI BUS number
2929 * type = marker modifier
2932 qla1280_marker(struct scsi_qla_host *ha, int bus, int id, int lun, u8 type)
2934 struct mrk_entry *pkt;
2936 ENTER("qla1280_marker");
2938 /* Get request packet. */
2939 if ((pkt = (struct mrk_entry *) qla1280_req_pkt(ha))) {
2940 pkt->entry_type = MARKER_TYPE;
2941 pkt->lun = (uint8_t) lun;
2942 pkt->target = (uint8_t) (bus ? (id | BIT_7) : id);
2943 pkt->modifier = type;
2944 pkt->entry_status = 0;
2946 /* Issue command to ISP */
2947 qla1280_isp_cmd(ha);
2950 LEAVE("qla1280_marker");
2955 * qla1280_64bit_start_scsi
2956 * The start SCSI is responsible for building request packets on
2957 * request ring and modifying ISP input pointer.
2960 * ha = adapter block pointer.
2961 * sp = SB structure pointer.
2964 * 0 = success, was able to issue command.
2966 #ifdef QLA_64BIT_PTR
2968 qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
2970 struct device_reg __iomem *reg = ha->iobase;
2971 struct scsi_cmnd *cmd = sp->cmd;
2972 cmd_a64_entry_t *pkt;
2973 struct scatterlist *sg = NULL;
2975 dma_addr_t dma_handle;
2982 ENTER("qla1280_64bit_start_scsi:");
2984 /* Calculate number of entries and segments required. */
2987 sg = (struct scatterlist *) cmd->request_buffer;
2988 seg_cnt = pci_map_sg(ha->pdev, sg, cmd->use_sg,
2989 cmd->sc_data_direction);
2992 req_cnt += (seg_cnt - 2) / 5;
2993 if ((seg_cnt - 2) % 5)
2996 } else if (cmd->request_bufflen) { /* If data transfer. */
3002 if ((req_cnt + 2) >= ha->req_q_cnt) {
3003 /* Calculate number of free request entries. */
3004 cnt = RD_REG_WORD(®->mailbox4);
3005 if (ha->req_ring_index < cnt)
3006 ha->req_q_cnt = cnt - ha->req_ring_index;
3009 REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt);
3012 dprintk(3, "Number of free entries=(%d) seg_cnt=0x%x\n",
3013 ha->req_q_cnt, seg_cnt);
3015 /* If room for request in request ring. */
3016 if ((req_cnt + 2) >= ha->req_q_cnt) {
3018 dprintk(2, "qla1280_start_scsi: in-ptr=0x%x req_q_cnt="
3019 "0x%xreq_cnt=0x%x", ha->req_ring_index, ha->req_q_cnt,
3024 /* Check for room in outstanding command list. */
3025 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS &&
3026 ha->outstanding_cmds[cnt] != 0; cnt++);
3028 if (cnt >= MAX_OUTSTANDING_COMMANDS) {
3030 dprintk(2, "qla1280_start_scsi: NO ROOM IN "
3031 "OUTSTANDING ARRAY, req_q_cnt=0x%x", ha->req_q_cnt);
3035 ha->outstanding_cmds[cnt] = sp;
3036 ha->req_q_cnt -= req_cnt;
3037 CMD_HANDLE(sp->cmd) = (unsigned char *)(unsigned long)(cnt + 1);
3039 dprintk(2, "start: cmd=%p sp=%p CDB=%xm, handle %lx\n", cmd, sp,
3040 cmd->cmnd[0], (long)CMD_HANDLE(sp->cmd));
3041 dprintk(2, " bus %i, target %i, lun %i\n",
3042 SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
3043 qla1280_dump_buffer(2, cmd->cmnd, MAX_COMMAND_SIZE);
3046 * Build command packet.
3048 pkt = (cmd_a64_entry_t *) ha->request_ring_ptr;
3050 pkt->entry_type = COMMAND_A64_TYPE;
3051 pkt->entry_count = (uint8_t) req_cnt;
3052 pkt->sys_define = (uint8_t) ha->req_ring_index;
3053 pkt->entry_status = 0;
3054 pkt->handle = cpu_to_le32(cnt);
3056 /* Zero out remaining portion of packet. */
3057 memset(((char *)pkt + 8), 0, (REQUEST_ENTRY_SIZE - 8));
3059 /* Set ISP command timeout. */
3060 pkt->timeout = cpu_to_le16(30);
3062 /* Set device target ID and LUN */
3063 pkt->lun = SCSI_LUN_32(cmd);
3064 pkt->target = SCSI_BUS_32(cmd) ?
3065 (SCSI_TCN_32(cmd) | BIT_7) : SCSI_TCN_32(cmd);
3067 /* Enable simple tag queuing if device supports it. */
3068 if (DEV_SIMPLE_TAGS(cmd->device))
3069 pkt->control_flags |= cpu_to_le16(BIT_3);
3071 /* Load SCSI command packet. */
3072 pkt->cdb_len = cpu_to_le16(CMD_CDBLEN(cmd));
3073 memcpy(pkt->scsi_cdb, &(CMD_CDBP(cmd)), CMD_CDBLEN(cmd));
3074 /* dprintk(1, "Build packet for command[0]=0x%x\n",pkt->scsi_cdb[0]); */
3076 /* Set transfer direction. */
3077 dir = qla1280_data_direction(cmd);
3078 pkt->control_flags |= cpu_to_le16(dir);
3080 /* Set total data segment count. */
3081 pkt->dseg_count = cpu_to_le16(seg_cnt);
3084 * Load data segments.
3086 if (seg_cnt) { /* If data transfer. */
3087 /* Setup packet address segment pointer. */
3088 dword_ptr = (u32 *)&pkt->dseg_0_address;
3090 if (cmd->use_sg) { /* If scatter gather */
3091 /* Load command entry data segments. */
3092 for (cnt = 0; cnt < 2 && seg_cnt; cnt++, seg_cnt--) {
3093 dma_handle = sg_dma_address(sg);
3094 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
3095 if (ha->flags.use_pci_vchannel)
3096 sn_pci_set_vchan(ha->pdev,
3097 (unsigned long *)&dma_handle,
3101 cpu_to_le32(pci_dma_lo32(dma_handle));
3103 cpu_to_le32(pci_dma_hi32(dma_handle));
3104 *dword_ptr++ = cpu_to_le32(sg_dma_len(sg));
3106 dprintk(3, "S/G Segment phys_addr=%x %x, len=0x%x\n",
3107 cpu_to_le32(pci_dma_hi32(dma_handle)),
3108 cpu_to_le32(pci_dma_lo32(dma_handle)),
3109 cpu_to_le32(sg_dma_len(sg)));
3111 dprintk(5, "qla1280_64bit_start_scsi: Scatter/gather "
3112 "command packet data - b %i, t %i, l %i \n",
3113 SCSI_BUS_32(cmd), SCSI_TCN_32(cmd),
3115 qla1280_dump_buffer(5, (char *)pkt,
3116 REQUEST_ENTRY_SIZE);
3119 * Build continuation packets.
3121 dprintk(3, "S/G Building Continuation...seg_cnt=0x%x "
3122 "remains\n", seg_cnt);
3124 while (seg_cnt > 0) {
3125 /* Adjust ring index. */
3126 ha->req_ring_index++;
3127 if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
3128 ha->req_ring_index = 0;
3129 ha->request_ring_ptr =
3132 ha->request_ring_ptr++;
3134 pkt = (cmd_a64_entry_t *)ha->request_ring_ptr;
3136 /* Zero out packet. */
3137 memset(pkt, 0, REQUEST_ENTRY_SIZE);
3139 /* Load packet defaults. */
3140 ((struct cont_a64_entry *) pkt)->entry_type =
3142 ((struct cont_a64_entry *) pkt)->entry_count = 1;
3143 ((struct cont_a64_entry *) pkt)->sys_define =
3144 (uint8_t)ha->req_ring_index;
3145 /* Setup packet address segment pointer. */
3147 (u32 *)&((struct cont_a64_entry *) pkt)->dseg_0_address;
3149 /* Load continuation entry data segments. */
3150 for (cnt = 0; cnt < 5 && seg_cnt;
3152 dma_handle = sg_dma_address(sg);
3153 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
3154 if (ha->flags.use_pci_vchannel)
3155 sn_pci_set_vchan(ha->pdev,
3156 (unsigned long *)&dma_handle,
3160 cpu_to_le32(pci_dma_lo32(dma_handle));
3162 cpu_to_le32(pci_dma_hi32(dma_handle));
3164 cpu_to_le32(sg_dma_len(sg));
3165 dprintk(3, "S/G Segment Cont. phys_addr=%x %x, len=0x%x\n",
3166 cpu_to_le32(pci_dma_hi32(dma_handle)),
3167 cpu_to_le32(pci_dma_lo32(dma_handle)),
3168 cpu_to_le32(sg_dma_len(sg)));
3171 dprintk(5, "qla1280_64bit_start_scsi: "
3172 "continuation packet data - b %i, t "
3173 "%i, l %i \n", SCSI_BUS_32(cmd),
3174 SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
3175 qla1280_dump_buffer(5, (char *)pkt,
3176 REQUEST_ENTRY_SIZE);
3178 } else { /* No scatter gather data transfer */
3179 dma_handle = pci_map_single(ha->pdev,
3180 cmd->request_buffer,
3181 cmd->request_bufflen,
3182 cmd->sc_data_direction);
3184 sp->saved_dma_handle = dma_handle;
3185 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
3186 if (ha->flags.use_pci_vchannel)
3187 sn_pci_set_vchan(ha->pdev,
3188 (unsigned long *)&dma_handle,
3191 *dword_ptr++ = cpu_to_le32(pci_dma_lo32(dma_handle));
3192 *dword_ptr++ = cpu_to_le32(pci_dma_hi32(dma_handle));
3193 *dword_ptr = cpu_to_le32(cmd->request_bufflen);
3195 dprintk(5, "qla1280_64bit_start_scsi: No scatter/"
3196 "gather command packet data - b %i, t %i, "
3197 "l %i \n", SCSI_BUS_32(cmd), SCSI_TCN_32(cmd),
3199 qla1280_dump_buffer(5, (char *)pkt,
3200 REQUEST_ENTRY_SIZE);
3202 } else { /* No data transfer */
3203 dprintk(5, "qla1280_64bit_start_scsi: No data, command "
3204 "packet data - b %i, t %i, l %i \n",
3205 SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
3206 qla1280_dump_buffer(5, (char *)pkt, REQUEST_ENTRY_SIZE);
3208 /* Adjust ring index. */
3209 ha->req_ring_index++;
3210 if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
3211 ha->req_ring_index = 0;
3212 ha->request_ring_ptr = ha->request_ring;
3214 ha->request_ring_ptr++;
3216 /* Set chip new ring index. */
3218 "qla1280_64bit_start_scsi: Wakeup RISC for pending command\n");
3219 sp->flags |= SRB_SENT;
3221 WRT_REG_WORD(®->mailbox4, ha->req_ring_index);
3222 /* Enforce mmio write ordering; see comment in qla1280_isp_cmd(). */
3227 dprintk(2, "qla1280_64bit_start_scsi: **** FAILED ****\n");
3229 dprintk(3, "qla1280_64bit_start_scsi: exiting normally\n");
3233 #else /* !QLA_64BIT_PTR */
3236 * qla1280_32bit_start_scsi
3237 * The start SCSI is responsible for building request packets on
3238 * request ring and modifying ISP input pointer.
3240 * The Qlogic firmware interface allows every queue slot to have a SCSI
3241 * command and up to 4 scatter/gather (SG) entries. If we need more
3242 * than 4 SG entries, then continuation entries are used that can
3243 * hold another 7 entries each. The start routine determines if there
3244 * is eought empty slots then build the combination of requests to
3245 * fulfill the OS request.
3248 * ha = adapter block pointer.
3249 * sp = SCSI Request Block structure pointer.
3252 * 0 = success, was able to issue command.
3255 qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
3257 struct device_reg __iomem *reg = ha->iobase;
3258 struct scsi_cmnd *cmd = sp->cmd;
3259 struct cmd_entry *pkt;
3260 struct scatterlist *sg = NULL;
3261 uint32_t *dword_ptr;
3266 dma_addr_t dma_handle;
3269 ENTER("qla1280_32bit_start_scsi");
3271 dprintk(1, "32bit_start: cmd=%p sp=%p CDB=%x\n", cmd, sp,
3274 /* Calculate number of entries and segments required. */
3278 * We must build an SG list in adapter format, as the kernel's
3279 * SG list cannot be used directly because of data field size
3280 * (__alpha__) differences and the kernel SG list uses virtual
3281 * addresses where we need physical addresses.
3283 sg = (struct scatterlist *) cmd->request_buffer;
3284 seg_cnt = pci_map_sg(ha->pdev, sg, cmd->use_sg,
3285 cmd->sc_data_direction);
3288 * if greater than four sg entries then we need to allocate
3289 * continuation entries
3292 req_cnt += (seg_cnt - 4) / 7;
3293 if ((seg_cnt - 4) % 7)
3296 dprintk(3, "S/G Transfer cmd=%p seg_cnt=0x%x, req_cnt=%x\n",
3297 cmd, seg_cnt, req_cnt);
3298 } else if (cmd->request_bufflen) { /* If data transfer. */
3299 dprintk(3, "No S/G transfer t=%x cmd=%p len=%x CDB=%x\n",
3300 SCSI_TCN_32(cmd), cmd, cmd->request_bufflen,
3304 /* dprintk(1, "No data transfer \n"); */
3308 if ((req_cnt + 2) >= ha->req_q_cnt) {
3309 /* Calculate number of free request entries. */
3310 cnt = RD_REG_WORD(®->mailbox4);
3311 if (ha->req_ring_index < cnt)
3312 ha->req_q_cnt = cnt - ha->req_ring_index;
3315 REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt);
3318 dprintk(3, "Number of free entries=(%d) seg_cnt=0x%x\n",
3319 ha->req_q_cnt, seg_cnt);
3320 /* If room for request in request ring. */
3321 if ((req_cnt + 2) >= ha->req_q_cnt) {
3323 dprintk(2, "qla1280_32bit_start_scsi: in-ptr=0x%x, "
3324 "req_q_cnt=0x%x, req_cnt=0x%x", ha->req_ring_index,
3325 ha->req_q_cnt, req_cnt);
3329 /* Check for empty slot in outstanding command list. */
3330 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS &&
3331 (ha->outstanding_cmds[cnt] != 0); cnt++) ;
3333 if (cnt >= MAX_OUTSTANDING_COMMANDS) {
3335 dprintk(2, "qla1280_32bit_start_scsi: NO ROOM IN OUTSTANDING "
3336 "ARRAY, req_q_cnt=0x%x\n", ha->req_q_cnt);
3340 CMD_HANDLE(sp->cmd) = (unsigned char *) (unsigned long)(cnt + 1);
3341 ha->outstanding_cmds[cnt] = sp;
3342 ha->req_q_cnt -= req_cnt;
3345 * Build command packet.
3347 pkt = (struct cmd_entry *) ha->request_ring_ptr;
3349 pkt->entry_type = COMMAND_TYPE;
3350 pkt->entry_count = (uint8_t) req_cnt;
3351 pkt->sys_define = (uint8_t) ha->req_ring_index;
3352 pkt->entry_status = 0;
3353 pkt->handle = cpu_to_le32(cnt);
3355 /* Zero out remaining portion of packet. */
3356 memset(((char *)pkt + 8), 0, (REQUEST_ENTRY_SIZE - 8));
3358 /* Set ISP command timeout. */
3359 pkt->timeout = cpu_to_le16(30);
3361 /* Set device target ID and LUN */
3362 pkt->lun = SCSI_LUN_32(cmd);
3363 pkt->target = SCSI_BUS_32(cmd) ?
3364 (SCSI_TCN_32(cmd) | BIT_7) : SCSI_TCN_32(cmd);
3366 /* Enable simple tag queuing if device supports it. */
3367 if (DEV_SIMPLE_TAGS(cmd->device))
3368 pkt->control_flags |= cpu_to_le16(BIT_3);
3370 /* Load SCSI command packet. */
3371 pkt->cdb_len = cpu_to_le16(CMD_CDBLEN(cmd));
3372 memcpy(pkt->scsi_cdb, &(CMD_CDBP(cmd)), CMD_CDBLEN(cmd));
3374 /*dprintk(1, "Build packet for command[0]=0x%x\n",pkt->scsi_cdb[0]); */
3375 /* Set transfer direction. */
3376 dir = qla1280_data_direction(cmd);
3377 pkt->control_flags |= cpu_to_le16(dir);
3379 /* Set total data segment count. */
3380 pkt->dseg_count = cpu_to_le16(seg_cnt);
3383 * Load data segments.
3386 /* Setup packet address segment pointer. */
3387 dword_ptr = &pkt->dseg_0_address;
3389 if (cmd->use_sg) { /* If scatter gather */
3390 dprintk(3, "Building S/G data segments..\n");
3391 qla1280_dump_buffer(1, (char *)sg, 4 * 16);
3393 /* Load command entry data segments. */
3394 for (cnt = 0; cnt < 4 && seg_cnt; cnt++, seg_cnt--) {
3396 cpu_to_le32(pci_dma_lo32(sg_dma_address(sg)));
3398 cpu_to_le32(sg_dma_len(sg));
3399 dprintk(3, "S/G Segment phys_addr=0x%lx, len=0x%x\n",
3400 (pci_dma_lo32(sg_dma_address(sg))),
3405 * Build continuation packets.
3407 dprintk(3, "S/G Building Continuation"
3408 "...seg_cnt=0x%x remains\n", seg_cnt);
3409 while (seg_cnt > 0) {
3410 /* Adjust ring index. */
3411 ha->req_ring_index++;
3412 if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
3413 ha->req_ring_index = 0;
3414 ha->request_ring_ptr =
3417 ha->request_ring_ptr++;
3419 pkt = (struct cmd_entry *)ha->request_ring_ptr;
3421 /* Zero out packet. */
3422 memset(pkt, 0, REQUEST_ENTRY_SIZE);
3424 /* Load packet defaults. */
3425 ((struct cont_entry *) pkt)->
3426 entry_type = CONTINUE_TYPE;
3427 ((struct cont_entry *) pkt)->entry_count = 1;
3429 ((struct cont_entry *) pkt)->sys_define =
3430 (uint8_t) ha->req_ring_index;
3432 /* Setup packet address segment pointer. */
3434 &((struct cont_entry *) pkt)->dseg_0_address;
3436 /* Load continuation entry data segments. */
3437 for (cnt = 0; cnt < 7 && seg_cnt;
3440 cpu_to_le32(pci_dma_lo32(sg_dma_address(sg)));
3442 cpu_to_le32(sg_dma_len(sg));
3444 "S/G Segment Cont. phys_addr=0x%x, "
3446 cpu_to_le32(pci_dma_lo32(sg_dma_address(sg))),
3447 cpu_to_le32(sg_dma_len(sg)));
3450 dprintk(5, "qla1280_32bit_start_scsi: "
3451 "continuation packet data - "
3452 "scsi(%i:%i:%i)\n", SCSI_BUS_32(cmd),
3453 SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
3454 qla1280_dump_buffer(5, (char *)pkt,
3455 REQUEST_ENTRY_SIZE);
3457 } else { /* No S/G data transfer */
3458 dma_handle = pci_map_single(ha->pdev,
3459 cmd->request_buffer,
3460 cmd->request_bufflen,
3461 cmd->sc_data_direction);
3462 sp->saved_dma_handle = dma_handle;
3464 *dword_ptr++ = cpu_to_le32(pci_dma_lo32(dma_handle));
3465 *dword_ptr = cpu_to_le32(cmd->request_bufflen);
3467 } else { /* No data transfer at all */
3468 dprintk(5, "qla1280_32bit_start_scsi: No data, command "
3469 "packet data - \n");
3470 qla1280_dump_buffer(5, (char *)pkt, REQUEST_ENTRY_SIZE);
3472 dprintk(5, "qla1280_32bit_start_scsi: First IOCB block:\n");
3473 qla1280_dump_buffer(5, (char *)ha->request_ring_ptr,
3474 REQUEST_ENTRY_SIZE);
3476 /* Adjust ring index. */
3477 ha->req_ring_index++;
3478 if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
3479 ha->req_ring_index = 0;
3480 ha->request_ring_ptr = ha->request_ring;
3482 ha->request_ring_ptr++;
3484 /* Set chip new ring index. */
3485 dprintk(2, "qla1280_32bit_start_scsi: Wakeup RISC "
3486 "for pending command\n");
3487 sp->flags |= SRB_SENT;
3489 WRT_REG_WORD(®->mailbox4, ha->req_ring_index);
3490 /* Enforce mmio write ordering; see comment in qla1280_isp_cmd(). */
3495 dprintk(2, "qla1280_32bit_start_scsi: **** FAILED ****\n");
3497 LEAVE("qla1280_32bit_start_scsi");
3505 * Function is responsible for locking ring and
3506 * getting a zeroed out request packet.
3509 * ha = adapter block pointer.
3512 * 0 = failed to get slot.
3515 qla1280_req_pkt(struct scsi_qla_host *ha)
3517 struct device_reg __iomem *reg = ha->iobase;
3518 request_t *pkt = NULL;
3522 ENTER("qla1280_req_pkt");
3525 * This can be called from interrupt context, damn it!!!
3527 /* Wait for 30 seconds for slot. */
3528 for (timer = 15000000; timer; timer--) {
3529 if (ha->req_q_cnt > 0) {
3530 /* Calculate number of free request entries. */
3531 cnt = RD_REG_WORD(®->mailbox4);
3532 if (ha->req_ring_index < cnt)
3533 ha->req_q_cnt = cnt - ha->req_ring_index;
3536 REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt);
3539 /* Found empty request ring slot? */
3540 if (ha->req_q_cnt > 0) {
3542 pkt = ha->request_ring_ptr;
3544 /* Zero out packet. */
3545 memset(pkt, 0, REQUEST_ENTRY_SIZE);
3548 * How can this be right when we have a ring
3551 /* Set system defined field. */
3552 pkt->sys_define = (uint8_t) ha->req_ring_index;
3554 /* Set entry count. */
3555 pkt->entry_count = 1;
3562 /* Check for pending interrupts. */
3567 dprintk(2, "qla1280_req_pkt: **** FAILED ****\n");
3569 dprintk(3, "qla1280_req_pkt: exiting normally\n");
3576 * Function is responsible for modifying ISP input pointer.
3577 * Releases ring lock.
3580 * ha = adapter block pointer.
3583 qla1280_isp_cmd(struct scsi_qla_host *ha)
3585 struct device_reg __iomem *reg = ha->iobase;
3587 ENTER("qla1280_isp_cmd");
3589 dprintk(5, "qla1280_isp_cmd: IOCB data:\n");
3590 qla1280_dump_buffer(5, (char *)ha->request_ring_ptr,
3591 REQUEST_ENTRY_SIZE);
3593 /* Adjust ring index. */
3594 ha->req_ring_index++;
3595 if (ha->req_ring_index == REQUEST_ENTRY_CNT) {
3596 ha->req_ring_index = 0;
3597 ha->request_ring_ptr = ha->request_ring;
3599 ha->request_ring_ptr++;
3602 * Update request index to mailbox4 (Request Queue In).
3603 * The mmiowb() ensures that this write is ordered with writes by other
3604 * CPUs. Without the mmiowb(), it is possible for the following:
3605 * CPUA posts write of index 5 to mailbox4
3606 * CPUA releases host lock
3607 * CPUB acquires host lock
3608 * CPUB posts write of index 6 to mailbox4
3609 * On PCI bus, order reverses and write of 6 posts, then index 5,
3610 * causing chip to issue full queue of stale commands
3611 * The mmiowb() prevents future writes from crossing the barrier.
3612 * See Documentation/DocBook/deviceiobook.tmpl for more information.
3614 WRT_REG_WORD(®->mailbox4, ha->req_ring_index);
3617 LEAVE("qla1280_isp_cmd");
3620 /****************************************************************************/
3621 /* Interrupt Service Routine. */
3622 /****************************************************************************/
3624 /****************************************************************************
3626 * Calls I/O done on command completion.
3629 * ha = adapter block pointer.
3630 * done_q = done queue.
3631 ****************************************************************************/
3633 qla1280_isr(struct scsi_qla_host *ha, struct list_head *done_q)
3635 struct device_reg __iomem *reg = ha->iobase;
3636 struct response *pkt;
3637 struct srb *sp = NULL;
3638 uint16_t mailbox[MAILBOX_REGISTER_COUNT];
3643 ENTER("qla1280_isr");
3645 istatus = RD_REG_WORD(®->istatus);
3646 if (!(istatus & (RISC_INT | PCI_INT)))
3649 /* Save mailbox register 5 */
3650 mailbox[5] = RD_REG_WORD(®->mailbox5);
3652 /* Check for mailbox interrupt. */
3654 mailbox[0] = RD_REG_WORD_dmasync(®->semaphore);
3656 if (mailbox[0] & BIT_0) {
3657 /* Get mailbox data. */
3658 /* dprintk(1, "qla1280_isr: In Get mailbox data \n"); */
3661 *wptr++ = RD_REG_WORD(®->mailbox0);
3662 *wptr++ = RD_REG_WORD(®->mailbox1);
3663 *wptr = RD_REG_WORD(®->mailbox2);
3664 if (mailbox[0] != MBA_SCSI_COMPLETION) {
3666 *wptr++ = RD_REG_WORD(®->mailbox3);
3667 *wptr++ = RD_REG_WORD(®->mailbox4);
3669 *wptr++ = RD_REG_WORD(®->mailbox6);
3670 *wptr = RD_REG_WORD(®->mailbox7);
3673 /* Release mailbox registers. */
3675 WRT_REG_WORD(®->semaphore, 0);
3676 WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT);
3678 dprintk(5, "qla1280_isr: mailbox interrupt mailbox[0] = 0x%x",
3681 /* Handle asynchronous event */
3682 switch (mailbox[0]) {
3683 case MBA_SCSI_COMPLETION: /* Response completion */
3684 dprintk(5, "qla1280_isr: mailbox SCSI response "
3687 if (ha->flags.online) {
3688 /* Get outstanding command index. */
3689 index = mailbox[2] << 16 | mailbox[1];
3691 /* Validate handle. */
3692 if (index < MAX_OUTSTANDING_COMMANDS)
3693 sp = ha->outstanding_cmds[index];
3698 /* Free outstanding command slot. */
3699 ha->outstanding_cmds[index] = NULL;
3701 /* Save ISP completion status */
3702 CMD_RESULT(sp->cmd) = 0;
3704 /* Place block on done queue */
3705 list_add_tail(&sp->list, done_q);
3708 * If we get here we have a real problem!
3711 "qla1280: ISP invalid handle");
3716 case MBA_BUS_RESET: /* SCSI Bus Reset */
3717 ha->flags.reset_marker = 1;
3718 index = mailbox[6] & BIT_0;
3719 ha->bus_settings[index].reset_marker = 1;
3721 printk(KERN_DEBUG "qla1280_isr(): index %i "
3722 "asynchronous BUS_RESET\n", index);
3725 case MBA_SYSTEM_ERR: /* System Error */
3727 "qla1280: ISP System Error - mbx1=%xh, mbx2="
3728 "%xh, mbx3=%xh\n", mailbox[1], mailbox[2],
3732 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
3734 "qla1280: ISP Request Transfer Error\n");
3737 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
3739 "qla1280: ISP Response Transfer Error\n");
3742 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
3743 dprintk(2, "qla1280_isr: asynchronous WAKEUP_THRES\n");
3746 case MBA_TIMEOUT_RESET: /* Execution Timeout Reset */
3748 "qla1280_isr: asynchronous TIMEOUT_RESET\n");
3751 case MBA_DEVICE_RESET: /* Bus Device Reset */
3752 printk(KERN_INFO "qla1280_isr(): asynchronous "
3753 "BUS_DEVICE_RESET\n");
3755 ha->flags.reset_marker = 1;
3756 index = mailbox[6] & BIT_0;
3757 ha->bus_settings[index].reset_marker = 1;
3760 case MBA_BUS_MODE_CHANGE:
3762 "qla1280_isr: asynchronous BUS_MODE_CHANGE\n");
3766 /* dprintk(1, "qla1280_isr: default case of switch MB \n"); */
3767 if (mailbox[0] < MBA_ASYNC_EVENT) {
3769 memcpy((uint16_t *) ha->mailbox_out, wptr,
3770 MAILBOX_REGISTER_COUNT *
3773 if(ha->mailbox_wait != NULL)
3774 complete(ha->mailbox_wait);
3779 WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT);
3783 * We will receive interrupts during mailbox testing prior to
3784 * the card being marked online, hence the double check.
3786 if (!(ha->flags.online && !ha->mailbox_wait)) {
3787 dprintk(2, "qla1280_isr: Response pointer Error\n");
3791 if (mailbox[5] >= RESPONSE_ENTRY_CNT)
3794 while (ha->rsp_ring_index != mailbox[5]) {
3795 pkt = ha->response_ring_ptr;
3797 dprintk(5, "qla1280_isr: ha->rsp_ring_index = 0x%x, mailbox[5]"
3798 " = 0x%x\n", ha->rsp_ring_index, mailbox[5]);
3799 dprintk(5,"qla1280_isr: response packet data\n");
3800 qla1280_dump_buffer(5, (char *)pkt, RESPONSE_ENTRY_SIZE);
3802 if (pkt->entry_type == STATUS_TYPE) {
3803 if ((le16_to_cpu(pkt->scsi_status) & 0xff)
3804 || pkt->comp_status || pkt->entry_status) {
3805 dprintk(2, "qla1280_isr: ha->rsp_ring_index = "
3806 "0x%x mailbox[5] = 0x%x, comp_status "
3807 "= 0x%x, scsi_status = 0x%x\n",
3808 ha->rsp_ring_index, mailbox[5],
3809 le16_to_cpu(pkt->comp_status),
3810 le16_to_cpu(pkt->scsi_status));
3813 dprintk(2, "qla1280_isr: ha->rsp_ring_index = "
3814 "0x%x, mailbox[5] = 0x%x\n",
3815 ha->rsp_ring_index, mailbox[5]);
3816 dprintk(2, "qla1280_isr: response packet data\n");
3817 qla1280_dump_buffer(2, (char *)pkt,
3818 RESPONSE_ENTRY_SIZE);
3821 if (pkt->entry_type == STATUS_TYPE || pkt->entry_status) {
3822 dprintk(2, "status: Cmd %p, handle %i\n",
3823 ha->outstanding_cmds[pkt->handle]->cmd,
3825 if (pkt->entry_type == STATUS_TYPE)
3826 qla1280_status_entry(ha, pkt, done_q);
3828 qla1280_error_entry(ha, pkt, done_q);
3829 /* Adjust ring index. */
3830 ha->rsp_ring_index++;
3831 if (ha->rsp_ring_index == RESPONSE_ENTRY_CNT) {
3832 ha->rsp_ring_index = 0;
3833 ha->response_ring_ptr = ha->response_ring;
3835 ha->response_ring_ptr++;
3836 WRT_REG_WORD(®->mailbox5, ha->rsp_ring_index);
3841 LEAVE("qla1280_isr");
3846 * Processes asynchronous reset.
3849 * ha = adapter block pointer.
3852 qla1280_rst_aen(struct scsi_qla_host *ha)
3856 ENTER("qla1280_rst_aen");
3858 if (ha->flags.online && !ha->flags.reset_active &&
3859 !ha->flags.abort_isp_active) {
3860 ha->flags.reset_active = 1;
3861 while (ha->flags.reset_marker) {
3862 /* Issue marker command. */
3863 ha->flags.reset_marker = 0;
3864 for (bus = 0; bus < ha->ports &&
3865 !ha->flags.reset_marker; bus++) {
3866 if (ha->bus_settings[bus].reset_marker) {
3867 ha->bus_settings[bus].reset_marker = 0;
3868 qla1280_marker(ha, bus, 0, 0,
3875 LEAVE("qla1280_rst_aen");
3879 #if LINUX_VERSION_CODE < 0x020500
3884 qla1280_get_target_options(struct scsi_cmnd *cmd, struct scsi_qla_host *ha)
3886 unsigned char *result;
3888 int bus, target, lun;
3890 bus = SCSI_BUS_32(cmd);
3891 target = SCSI_TCN_32(cmd);
3892 lun = SCSI_LUN_32(cmd);
3895 * Make sure to not touch anything if someone is using the
3898 if (cmd->use_sg || (CMD_RESULT(cmd) >> 16) != DID_OK || lun)
3901 result = cmd->request_buffer;
3904 n->bus[bus].target[target].parameter.f.enable_wide = 0;
3905 n->bus[bus].target[target].parameter.f.enable_sync = 0;
3906 n->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 0;
3908 if (result[7] & 0x60)
3909 n->bus[bus].target[target].parameter.f.enable_wide = 1;
3910 if (result[7] & 0x10)
3911 n->bus[bus].target[target].parameter.f.enable_sync = 1;
3912 if ((result[2] >= 3) && (result[4] + 5 > 56) &&
3914 n->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 1;
3916 dprintk(2, "get_target_options(): wide %i, sync %i, ppr %i\n",
3917 n->bus[bus].target[target].parameter.f.enable_wide,
3918 n->bus[bus].target[target].parameter.f.enable_sync,
3919 n->bus[bus].target[target].ppr_1x160.flags.enable_ppr);
3924 * qla1280_status_entry
3925 * Processes received ISP status entry.
3928 * ha = adapter block pointer.
3929 * pkt = entry pointer.
3930 * done_q = done queue.
3933 qla1280_status_entry(struct scsi_qla_host *ha, struct response *pkt,
3934 struct list_head *done_q)
3936 unsigned int bus, target, lun;
3939 struct scsi_cmnd *cmd;
3940 uint32_t handle = le32_to_cpu(pkt->handle);
3941 uint16_t scsi_status = le16_to_cpu(pkt->scsi_status);
3942 uint16_t comp_status = le16_to_cpu(pkt->comp_status);
3944 ENTER("qla1280_status_entry");
3946 /* Validate handle. */
3947 if (handle < MAX_OUTSTANDING_COMMANDS)
3948 sp = ha->outstanding_cmds[handle];
3953 printk(KERN_WARNING "qla1280: Status Entry invalid handle\n");
3957 /* Free outstanding command slot. */
3958 ha->outstanding_cmds[handle] = NULL;
3962 /* Generate LU queue on cntrl, target, LUN */
3963 bus = SCSI_BUS_32(cmd);
3964 target = SCSI_TCN_32(cmd);
3965 lun = SCSI_LUN_32(cmd);
3967 if (comp_status || scsi_status) {
3968 dprintk(3, "scsi: comp_status = 0x%x, scsi_status = "
3969 "0x%x, handle = 0x%x\n", comp_status,
3970 scsi_status, handle);
3973 /* Target busy or queue full */
3974 if ((scsi_status & 0xFF) == SAM_STAT_TASK_SET_FULL ||
3975 (scsi_status & 0xFF) == SAM_STAT_BUSY) {
3976 CMD_RESULT(cmd) = scsi_status & 0xff;
3979 /* Save ISP completion status */
3980 CMD_RESULT(cmd) = qla1280_return_status(pkt, cmd);
3982 if (scsi_status & SAM_STAT_CHECK_CONDITION) {
3983 if (comp_status != CS_ARS_FAILED) {
3984 uint16_t req_sense_length =
3985 le16_to_cpu(pkt->req_sense_length);
3986 if (req_sense_length < CMD_SNSLEN(cmd))
3987 sense_sz = req_sense_length;
3990 * scsi_cmnd->sense_buffer is
3991 * 64 bytes, why only copy 63?
3992 * This looks wrong! /Jes
3994 sense_sz = CMD_SNSLEN(cmd) - 1;
3996 memcpy(cmd->sense_buffer,
3997 &pkt->req_sense_data, sense_sz);
4000 memset(cmd->sense_buffer + sense_sz, 0,
4001 sizeof(cmd->sense_buffer) - sense_sz);
4003 dprintk(2, "qla1280_status_entry: Check "
4004 "condition Sense data, b %i, t %i, "
4005 "l %i\n", bus, target, lun);
4007 qla1280_dump_buffer(2,
4008 (char *)cmd->sense_buffer,
4013 /* Place command on done queue. */
4014 list_add_tail(&sp->list, done_q);
4016 LEAVE("qla1280_status_entry");
4020 * qla1280_error_entry
4021 * Processes error entry.
4024 * ha = adapter block pointer.
4025 * pkt = entry pointer.
4026 * done_q = done queue.
4029 qla1280_error_entry(struct scsi_qla_host *ha, struct response *pkt,
4030 struct list_head *done_q)
4033 uint32_t handle = le32_to_cpu(pkt->handle);
4035 ENTER("qla1280_error_entry");
4037 if (pkt->entry_status & BIT_3)
4038 dprintk(2, "qla1280_error_entry: BAD PAYLOAD flag error\n");
4039 else if (pkt->entry_status & BIT_2)
4040 dprintk(2, "qla1280_error_entry: BAD HEADER flag error\n");
4041 else if (pkt->entry_status & BIT_1)
4042 dprintk(2, "qla1280_error_entry: FULL flag error\n");
4044 dprintk(2, "qla1280_error_entry: UNKNOWN flag error\n");
4046 /* Validate handle. */
4047 if (handle < MAX_OUTSTANDING_COMMANDS)
4048 sp = ha->outstanding_cmds[handle];
4053 /* Free outstanding command slot. */
4054 ha->outstanding_cmds[handle] = NULL;
4056 /* Bad payload or header */
4057 if (pkt->entry_status & (BIT_3 + BIT_2)) {
4058 /* Bad payload or header, set error status. */
4059 /* CMD_RESULT(sp->cmd) = CS_BAD_PAYLOAD; */
4060 CMD_RESULT(sp->cmd) = DID_ERROR << 16;
4061 } else if (pkt->entry_status & BIT_1) { /* FULL flag */
4062 CMD_RESULT(sp->cmd) = DID_BUS_BUSY << 16;
4064 /* Set error status. */
4065 CMD_RESULT(sp->cmd) = DID_ERROR << 16;
4068 /* Place command on done queue. */
4069 list_add_tail(&sp->list, done_q);
4071 #ifdef QLA_64BIT_PTR
4072 else if (pkt->entry_type == COMMAND_A64_TYPE) {
4073 printk(KERN_WARNING "!qla1280: Error Entry invalid handle");
4077 LEAVE("qla1280_error_entry");
4082 * Resets ISP and aborts all outstanding commands.
4085 * ha = adapter block pointer.
4091 qla1280_abort_isp(struct scsi_qla_host *ha)
4093 struct device_reg __iomem *reg = ha->iobase;
4099 ENTER("qla1280_abort_isp");
4101 if (ha->flags.abort_isp_active || !ha->flags.online)
4104 ha->flags.abort_isp_active = 1;
4106 /* Disable ISP interrupts. */
4107 qla1280_disable_intrs(ha);
4108 WRT_REG_WORD(®->host_cmd, HC_PAUSE_RISC);
4109 RD_REG_WORD(®->id_l);
4111 printk(KERN_INFO "scsi(%li): dequeuing outstanding commands\n",
4113 /* Dequeue all commands in outstanding command list. */
4114 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
4115 struct scsi_cmnd *cmd;
4116 sp = ha->outstanding_cmds[cnt];
4120 CMD_RESULT(cmd) = DID_RESET << 16;
4123 ha->outstanding_cmds[cnt] = NULL;
4125 (*cmd->scsi_done)(cmd);
4131 status = qla1280_load_firmware(ha);
4135 /* Setup adapter based on NVRAM parameters. */
4136 qla1280_nvram_config (ha);
4138 status = qla1280_init_rings(ha);
4142 /* Issue SCSI reset. */
4143 for (bus = 0; bus < ha->ports; bus++)
4144 qla1280_bus_reset(ha, bus);
4146 ha->flags.abort_isp_active = 0;
4150 "qla1280: ISP error recovery failed, board disabled");
4151 qla1280_reset_adapter(ha);
4152 dprintk(2, "qla1280_abort_isp: **** FAILED ****\n");
4155 LEAVE("qla1280_abort_isp");
4161 * qla1280_debounce_register
4162 * Debounce register.
4165 * port = register address.
4171 qla1280_debounce_register(volatile u16 __iomem * addr)
4176 ret = RD_REG_WORD(addr);
4177 ret2 = RD_REG_WORD(addr);
4184 ret = RD_REG_WORD(addr);
4185 ret2 = RD_REG_WORD(addr);
4186 } while (ret != ret2);
4192 /************************************************************************
4193 * qla1280_check_for_dead_scsi_bus *
4195 * This routine checks for a dead SCSI bus *
4196 ************************************************************************/
4197 #define SET_SXP_BANK 0x0100
4198 #define SCSI_PHASE_INVALID 0x87FF
4200 qla1280_check_for_dead_scsi_bus(struct scsi_qla_host *ha, unsigned int bus)
4202 uint16_t config_reg, scsi_control;
4203 struct device_reg __iomem *reg = ha->iobase;
4205 if (ha->bus_settings[bus].scsi_bus_dead) {
4206 WRT_REG_WORD(®->host_cmd, HC_PAUSE_RISC);
4207 config_reg = RD_REG_WORD(®->cfg_1);
4208 WRT_REG_WORD(®->cfg_1, SET_SXP_BANK);
4209 scsi_control = RD_REG_WORD(®->scsiControlPins);
4210 WRT_REG_WORD(®->cfg_1, config_reg);
4211 WRT_REG_WORD(®->host_cmd, HC_RELEASE_RISC);
4213 if (scsi_control == SCSI_PHASE_INVALID) {
4214 ha->bus_settings[bus].scsi_bus_dead = 1;
4216 CMD_RESULT(cp) = DID_NO_CONNECT << 16;
4217 CMD_HANDLE(cp) = INVALID_HANDLE;
4218 /* ha->actthreads--; */
4220 (*(cp)->scsi_done)(cp);
4222 return 1; /* bus is dead */
4224 ha->bus_settings[bus].scsi_bus_dead = 0;
4225 ha->bus_settings[bus].failed_reset_count = 0;
4228 return 0; /* bus is not dead */
4232 qla1280_get_target_parameters(struct scsi_qla_host *ha,
4233 struct scsi_device *device)
4235 uint16_t mb[MAILBOX_REGISTER_COUNT];
4236 int bus, target, lun;
4238 bus = device->channel;
4239 target = device->id;
4243 mb[0] = MBC_GET_TARGET_PARAMETERS;
4244 mb[1] = (uint16_t) (bus ? target | BIT_7 : target);
4246 qla1280_mailbox_command(ha, BIT_6 | BIT_3 | BIT_2 | BIT_1 | BIT_0,
4249 printk(KERN_INFO "scsi(%li:%d:%d:%d):", ha->host_no, bus, target, lun);
4252 printk(" Sync: period %d, offset %d",
4253 (mb[3] & 0xff), (mb[3] >> 8));
4256 if ((mb[2] & BIT_5) && ((mb[6] >> 8) & 0xff) >= 2)
4261 if (DEV_SIMPLE_TAGS(device))
4262 printk(", Tagged queuing: depth %d", device->queue_depth);
4269 __qla1280_dump_buffer(char *b, int size)
4274 printk(KERN_DEBUG " 0 1 2 3 4 5 6 7 8 9 Ah "
4275 "Bh Ch Dh Eh Fh\n");
4276 printk(KERN_DEBUG "---------------------------------------------"
4277 "------------------\n");
4279 for (cnt = 0; cnt < size;) {
4282 printk("0x%02x", c);
4293 /**************************************************************************
4294 * ql1280_print_scsi_cmd
4296 **************************************************************************/
4298 __qla1280_print_scsi_cmd(struct scsi_cmnd *cmd)
4300 struct scsi_qla_host *ha;
4301 struct Scsi_Host *host = CMD_HOST(cmd);
4303 /* struct scatterlist *sg; */
4306 ha = (struct scsi_qla_host *)host->hostdata;
4308 sp = (struct srb *)CMD_SP(cmd);
4309 printk("SCSI Command @= 0x%p, Handle=0x%p\n", cmd, CMD_HANDLE(cmd));
4310 printk(" chan=%d, target = 0x%02x, lun = 0x%02x, cmd_len = 0x%02x\n",
4311 SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd),
4314 for (i = 0; i < cmd->cmd_len; i++) {
4315 printk("0x%02x ", cmd->cmnd[i]);
4317 printk(" seg_cnt =%d\n", cmd->use_sg);
4318 printk(" request buffer=0x%p, request buffer len=0x%x\n",
4319 cmd->request_buffer, cmd->request_bufflen);
4322 sg = (struct scatterlist *) cmd->request_buffer;
4323 printk(" SG buffer: \n");
4324 qla1280_dump_buffer(1, (char *)sg, (cmd->use_sg*sizeof(struct scatterlist)));
4326 printk(" tag=%d, transfersize=0x%x \n",
4327 cmd->tag, cmd->transfersize);
4328 printk(" Pid=%li, SP=0x%p\n", cmd->pid, CMD_SP(cmd));
4329 printk(" underflow size = 0x%x, direction=0x%x\n",
4330 cmd->underflow, cmd->sc_data_direction);
4333 /**************************************************************************
4334 * ql1280_dump_device
4336 **************************************************************************/
4338 ql1280_dump_device(struct scsi_qla_host *ha)
4341 struct scsi_cmnd *cp;
4345 printk(KERN_DEBUG "Outstanding Commands on controller:\n");
4347 for (i = 0; i < MAX_OUTSTANDING_COMMANDS; i++) {
4348 if ((sp = ha->outstanding_cmds[i]) == NULL)
4350 if ((cp = sp->cmd) == NULL)
4352 qla1280_print_scsi_cmd(1, cp);
4367 struct setup_tokens {
4372 static struct setup_tokens setup_token[] __initdata =
4374 { "nvram", TOKEN_NVRAM },
4375 { "sync", TOKEN_SYNC },
4376 { "wide", TOKEN_WIDE },
4377 { "ppr", TOKEN_PPR },
4378 { "verbose", TOKEN_VERBOSE },
4379 { "debug", TOKEN_DEBUG },
4383 /**************************************************************************
4386 * Handle boot parameters. This really needs to be changed so one
4387 * can specify per adapter parameters.
4388 **************************************************************************/
4390 qla1280_setup(char *s)
4398 while (cp && (ptr = strchr(cp, ':'))) {
4400 if (!strcmp(ptr, "yes")) {
4403 } else if (!strcmp(ptr, "no")) {
4407 val = simple_strtoul(ptr, &ptr, 0);
4409 switch ((toke = qla1280_get_token(cp))) {
4412 driver_setup.no_nvram = 1;
4416 driver_setup.no_sync = 1;
4417 else if (val != 0x10000)
4418 driver_setup.sync_mask = val;
4422 driver_setup.no_wide = 1;
4423 else if (val != 0x10000)
4424 driver_setup.wide_mask = val;
4428 driver_setup.no_ppr = 1;
4429 else if (val != 0x10000)
4430 driver_setup.ppr_mask = val;
4433 qla1280_verbose = val;
4436 printk(KERN_INFO "qla1280: unknown boot option %s\n",
4440 cp = strchr(ptr, ';');
4452 qla1280_get_token(char *str)
4458 len = sizeof(setup_token)/sizeof(struct setup_tokens);
4460 sep = strchr(str, ':');
4463 for (i = 0; i < len; i++){
4465 if (!strncmp(setup_token[i].token, str, (sep - str))) {
4466 ret = setup_token[i].val;
4475 #if LINUX_VERSION_CODE >= 0x020600
4476 static struct scsi_host_template qla1280_driver_template = {
4477 .module = THIS_MODULE,
4478 .proc_name = "qla1280",
4479 .name = "Qlogic ISP 1280/12160",
4480 .info = qla1280_info,
4481 .slave_configure = qla1280_slave_configure,
4482 .queuecommand = qla1280_queuecommand,
4483 .eh_abort_handler = qla1280_eh_abort,
4484 .eh_device_reset_handler= qla1280_eh_device_reset,
4485 .eh_bus_reset_handler = qla1280_eh_bus_reset,
4486 .eh_host_reset_handler = qla1280_eh_adapter_reset,
4487 .bios_param = qla1280_biosparam,
4488 .can_queue = 0xfffff,
4490 .sg_tablesize = SG_ALL,
4492 .use_clustering = ENABLE_CLUSTERING,
4495 static Scsi_Host_Template qla1280_driver_template = {
4496 .proc_name = "qla1280",
4497 .name = "Qlogic ISP 1280/12160",
4498 .detect = qla1280_detect,
4499 .release = qla1280_release,
4500 .info = qla1280_info,
4501 .queuecommand = qla1280_queuecommand,
4502 .eh_abort_handler = qla1280_eh_abort,
4503 .eh_device_reset_handler= qla1280_eh_device_reset,
4504 .eh_bus_reset_handler = qla1280_eh_bus_reset,
4505 .eh_host_reset_handler = qla1280_eh_adapter_reset,
4506 .bios_param = qla1280_biosparam_old,
4507 .can_queue = 0xfffff,
4509 .sg_tablesize = SG_ALL,
4511 .use_clustering = ENABLE_CLUSTERING,
4512 .use_new_eh_code = 1,
4516 static int __devinit
4517 qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
4519 int devnum = id->driver_data;
4520 struct qla_boards *bdp = &ql1280_board_tbl[devnum];
4521 struct Scsi_Host *host;
4522 struct scsi_qla_host *ha;
4523 int error = -ENODEV;
4525 /* Bypass all AMI SUBSYS VENDOR IDs */
4526 if (pdev->subsystem_vendor == PCI_VENDOR_ID_AMI) {
4528 "qla1280: Skipping AMI SubSys Vendor ID Chip\n");
4532 printk(KERN_INFO "qla1280: %s found on PCI bus %i, dev %i\n",
4533 bdp->name, pdev->bus->number, PCI_SLOT(pdev->devfn));
4535 if (pci_enable_device(pdev)) {
4537 "qla1280: Failed to enabled pci device, aborting.\n");
4541 pci_set_master(pdev);
4544 host = scsi_host_alloc(&qla1280_driver_template, sizeof(*ha));
4547 "qla1280: Failed to register host, aborting.\n");
4548 goto error_disable_device;
4551 ha = (struct scsi_qla_host *)host->hostdata;
4552 memset(ha, 0, sizeof(struct scsi_qla_host));
4555 ha->devnum = devnum; /* specifies microcode load address */
4557 #ifdef QLA_64BIT_PTR
4558 if (pci_set_dma_mask(ha->pdev, (dma_addr_t) ~ 0ULL)) {
4559 if (pci_set_dma_mask(ha->pdev, 0xffffffff)) {
4560 printk(KERN_WARNING "scsi(%li): Unable to set a "
4561 "suitable DMA mask - aborting\n", ha->host_no);
4563 goto error_free_irq;
4566 dprintk(2, "scsi(%li): 64 Bit PCI Addressing Enabled\n",
4569 if (pci_set_dma_mask(ha->pdev, 0xffffffff)) {
4570 printk(KERN_WARNING "scsi(%li): Unable to set a "
4571 "suitable DMA mask - aborting\n", ha->host_no);
4573 goto error_free_irq;
4577 ha->request_ring = pci_alloc_consistent(ha->pdev,
4578 ((REQUEST_ENTRY_CNT + 1) * sizeof(request_t)),
4580 if (!ha->request_ring) {
4581 printk(KERN_INFO "qla1280: Failed to get request memory\n");
4582 goto error_put_host;
4585 ha->response_ring = pci_alloc_consistent(ha->pdev,
4586 ((RESPONSE_ENTRY_CNT + 1) * sizeof(struct response)),
4588 if (!ha->response_ring) {
4589 printk(KERN_INFO "qla1280: Failed to get response memory\n");
4590 goto error_free_request_ring;
4593 ha->ports = bdp->numPorts;
4596 ha->host_no = host->host_no;
4598 host->irq = pdev->irq;
4599 host->max_channel = bdp->numPorts - 1;
4600 host->max_lun = MAX_LUNS - 1;
4601 host->max_id = MAX_TARGETS;
4602 host->max_sectors = 1024;
4603 host->unique_id = host->host_no;
4605 #if LINUX_VERSION_CODE < 0x020545
4606 host->select_queue_depths = qla1280_select_queue_depth;
4611 #if MEMORY_MAPPED_IO
4612 ha->mmpbase = ioremap(pci_resource_start(ha->pdev, 1),
4613 pci_resource_len(ha->pdev, 1));
4615 printk(KERN_INFO "qla1280: Unable to map I/O memory\n");
4616 goto error_free_response_ring;
4619 host->base = (unsigned long)ha->mmpbase;
4620 ha->iobase = (struct device_reg __iomem *)ha->mmpbase;
4622 host->io_port = pci_resource_start(ha->pdev, 0);
4623 if (!request_region(host->io_port, 0xff, "qla1280")) {
4624 printk(KERN_INFO "qla1280: Failed to reserve i/o region "
4625 "0x%04lx-0x%04lx - already in use\n",
4626 host->io_port, host->io_port + 0xff);
4627 goto error_free_response_ring;
4630 ha->iobase = (struct device_reg *)host->io_port;
4633 INIT_LIST_HEAD(&ha->done_q);
4635 /* Disable ISP interrupts. */
4636 qla1280_disable_intrs(ha);
4638 if (request_irq(pdev->irq, qla1280_intr_handler, SA_SHIRQ,
4640 printk("qla1280 : Failed to reserve interrupt %d already "
4641 "in use\n", pdev->irq);
4642 goto error_release_region;
4645 /* load the F/W, read paramaters, and init the H/W */
4646 if (qla1280_initialize_adapter(ha)) {
4647 printk(KERN_INFO "qla1x160: Failed to initialize adapter\n");
4648 goto error_free_irq;
4651 /* set our host ID (need to do something about our two IDs) */
4652 host->this_id = ha->bus_settings[0].id;
4654 pci_set_drvdata(pdev, host);
4656 #if LINUX_VERSION_CODE >= 0x020600
4657 error = scsi_add_host(host, &pdev->dev);
4659 goto error_disable_adapter;
4660 scsi_scan_host(host);
4662 scsi_set_pci_device(host, pdev);
4667 #if LINUX_VERSION_CODE >= 0x020600
4668 error_disable_adapter:
4669 qla1280_disable_intrs(ha);
4672 free_irq(pdev->irq, ha);
4673 error_release_region:
4674 #if MEMORY_MAPPED_IO
4675 iounmap(ha->mmpbase);
4677 release_region(host->io_port, 0xff);
4679 error_free_response_ring:
4680 pci_free_consistent(ha->pdev,
4681 ((RESPONSE_ENTRY_CNT + 1) * sizeof(struct response)),
4682 ha->response_ring, ha->response_dma);
4683 error_free_request_ring:
4684 pci_free_consistent(ha->pdev,
4685 ((REQUEST_ENTRY_CNT + 1) * sizeof(request_t)),
4686 ha->request_ring, ha->request_dma);
4688 scsi_host_put(host);
4689 error_disable_device:
4690 pci_disable_device(pdev);
4696 static void __devexit
4697 qla1280_remove_one(struct pci_dev *pdev)
4699 struct Scsi_Host *host = pci_get_drvdata(pdev);
4700 struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata;
4702 #if LINUX_VERSION_CODE >= 0x020600
4703 scsi_remove_host(host);
4706 qla1280_disable_intrs(ha);
4708 free_irq(pdev->irq, ha);
4710 #if MEMORY_MAPPED_IO
4711 iounmap(ha->mmpbase);
4713 release_region(host->io_port, 0xff);
4716 pci_free_consistent(ha->pdev,
4717 ((REQUEST_ENTRY_CNT + 1) * (sizeof(request_t))),
4718 ha->request_ring, ha->request_dma);
4719 pci_free_consistent(ha->pdev,
4720 ((RESPONSE_ENTRY_CNT + 1) * (sizeof(struct response))),
4721 ha->response_ring, ha->response_dma);
4723 pci_disable_device(pdev);
4725 scsi_host_put(host);
4728 #if LINUX_VERSION_CODE >= 0x020600
4729 static struct pci_driver qla1280_pci_driver = {
4731 .id_table = qla1280_pci_tbl,
4732 .probe = qla1280_probe_one,
4733 .remove = __devexit_p(qla1280_remove_one),
4739 if (sizeof(struct srb) > sizeof(struct scsi_pointer)) {
4741 "qla1280: struct srb too big, aborting\n");
4747 * If we are called as a module, the qla1280 pointer may not be null
4748 * and it would point to our bootup string, just like on the lilo
4749 * command line. IF not NULL, then process this config string with
4753 * To add options at boot time add a line to your lilo.conf file like:
4754 * append="qla1280=verbose,max_tags:{{255,255,255,255},{255,255,255,255}}"
4755 * which will result in the first four devices on the first two
4756 * controllers being set to a tagged queue depth of 32.
4759 qla1280_setup(qla1280);
4762 return pci_module_init(&qla1280_pci_driver);
4768 pci_unregister_driver(&qla1280_pci_driver);
4771 module_init(qla1280_init);
4772 module_exit(qla1280_exit);
4775 # define driver_template qla1280_driver_template
4776 # include "scsi_module.c"
4779 MODULE_AUTHOR("Qlogic & Jes Sorensen");
4780 MODULE_DESCRIPTION("Qlogic ISP SCSI (qla1x80/qla1x160) driver");
4781 MODULE_LICENSE("GPL");
4782 MODULE_VERSION(QLA1280_VERSION);
4785 * Overrides for Emacs so that we almost follow Linus's tabbing style.
4786 * Emacs will notice this stuff at the end of the file and automatically
4787 * adjust the settings for this buffer only. This must remain at the end
4789 * ---------------------------------------------------------------------------