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1 | /****************************************************************************** |
2 | * QLOGIC LINUX SOFTWARE | |
3 | * | |
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 | |
8 | * | |
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 | |
12 | * later version. | |
13 | * | |
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. | |
18 | * | |
19 | ******************************************************************************/ | |
20 | #define QLA1280_VERSION "3.25" | |
21 | /***************************************************************************** | |
22 | Revision History: | |
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 | |
49 | - kill more cruft | |
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 | |
54 | obsolete context | |
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 | |
62 | random CONFIG option | |
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 | |
68 | - Build against 2.6 | |
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 | |
86 | - Port to 2.5.69 | |
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 | |
99 | - Big endian support | |
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 | |
114 | request_region() | |
115 | - Use pci_dma_hi32() to handle upper word of DMA addresses instead | |
116 | of large shifts | |
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} | |
176 | dummy macros | |
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 | |
184 | doing any processing | |
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 | |
250 | above as qla1280 | |
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: | |
277 | qla1x80: 8.13.08 | |
278 | qla1x160: 10.04.08 | |
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 | |
282 | Rev. 3.9 | |
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: | |
290 | qla12160: 10.01.19 | |
291 | qla1280: 8.09.00 | |
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 | |
324 | the adapter. | |
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 | *****************************************************************************/ | |
330 | ||
331 | ||
332 | #include <linux/config.h> | |
333 | #include <linux/module.h> | |
334 | ||
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> | |
351 | ||
352 | #include <asm/io.h> | |
353 | #include <asm/irq.h> | |
354 | #include <asm/byteorder.h> | |
355 | #include <asm/processor.h> | |
356 | #include <asm/types.h> | |
357 | #include <asm/system.h> | |
358 | ||
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> | |
365 | #else | |
366 | #include <linux/blk.h> | |
367 | #include "scsi.h" | |
368 | #include <scsi/scsi_host.h> | |
369 | #include "sd.h" | |
370 | #endif | |
371 | ||
372 | #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) | |
373 | #include <asm/sn/io.h> | |
374 | #endif | |
375 | ||
376 | #if LINUX_VERSION_CODE < 0x020407 | |
377 | #error "Kernels older than 2.4.7 are no longer supported" | |
378 | #endif | |
379 | ||
380 | ||
381 | /* | |
382 | * Compile time Options: | |
383 | * 0 - Disable and 1 - Enable | |
384 | */ | |
385 | #define DEBUG_QLA1280_INTR 0 | |
386 | #define DEBUG_PRINT_NVRAM 0 | |
387 | #define DEBUG_QLA1280 0 | |
388 | ||
389 | /* | |
390 | * The SGI VISWS is broken and doesn't support MMIO ;-( | |
391 | */ | |
392 | #ifdef CONFIG_X86_VISWS | |
393 | #define MEMORY_MAPPED_IO 0 | |
394 | #else | |
395 | #define MEMORY_MAPPED_IO 1 | |
396 | #endif | |
397 | ||
398 | #define UNIQUE_FW_NAME | |
399 | #include "qla1280.h" | |
400 | #include "ql12160_fw.h" /* ISP RISC codes */ | |
401 | #include "ql1280_fw.h" | |
402 | #include "ql1040_fw.h" | |
403 | ||
404 | ||
405 | /* | |
406 | * Missing PCI ID's | |
407 | */ | |
408 | #ifndef PCI_DEVICE_ID_QLOGIC_ISP1080 | |
409 | #define PCI_DEVICE_ID_QLOGIC_ISP1080 0x1080 | |
410 | #endif | |
411 | #ifndef PCI_DEVICE_ID_QLOGIC_ISP1240 | |
412 | #define PCI_DEVICE_ID_QLOGIC_ISP1240 0x1240 | |
413 | #endif | |
414 | #ifndef PCI_DEVICE_ID_QLOGIC_ISP1280 | |
415 | #define PCI_DEVICE_ID_QLOGIC_ISP1280 0x1280 | |
416 | #endif | |
417 | #ifndef PCI_DEVICE_ID_QLOGIC_ISP10160 | |
418 | #define PCI_DEVICE_ID_QLOGIC_ISP10160 0x1016 | |
419 | #endif | |
420 | #ifndef PCI_DEVICE_ID_QLOGIC_ISP12160 | |
421 | #define PCI_DEVICE_ID_QLOGIC_ISP12160 0x1216 | |
422 | #endif | |
423 | ||
424 | #ifndef PCI_VENDOR_ID_AMI | |
425 | #define PCI_VENDOR_ID_AMI 0x101e | |
426 | #endif | |
427 | ||
428 | #ifndef BITS_PER_LONG | |
429 | #error "BITS_PER_LONG not defined!" | |
430 | #endif | |
431 | #if (BITS_PER_LONG == 64) || defined CONFIG_HIGHMEM | |
432 | #define QLA_64BIT_PTR 1 | |
433 | #endif | |
434 | ||
435 | #ifdef QLA_64BIT_PTR | |
436 | #define pci_dma_hi32(a) ((a >> 16) >> 16) | |
437 | #else | |
438 | #define pci_dma_hi32(a) 0 | |
439 | #endif | |
440 | #define pci_dma_lo32(a) (a & 0xffffffff) | |
441 | ||
442 | #define NVRAM_DELAY() udelay(500) /* 2 microseconds */ | |
443 | ||
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 | |
449 | ||
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 | |
454 | ||
455 | #ifndef HAVE_SECTOR_T | |
456 | typedef unsigned int sector_t; | |
457 | #endif | |
458 | ||
459 | static inline void | |
460 | scsi_adjust_queue_depth(struct scsi_device *device, int tag, int depth) | |
461 | { | |
462 | if (tag) { | |
463 | device->tagged_queue = tag; | |
464 | device->current_tag = 0; | |
465 | } | |
466 | device->queue_depth = depth; | |
467 | } | |
468 | static inline struct Scsi_Host *scsi_host_alloc(Scsi_Host_Template *t, size_t s) | |
469 | { | |
470 | return scsi_register(t, s); | |
471 | } | |
472 | static inline void scsi_host_put(struct Scsi_Host *h) | |
473 | { | |
474 | scsi_unregister(h); | |
475 | } | |
476 | #else | |
477 | #define HOST_LOCK ha->host->host_lock | |
478 | #endif | |
479 | #if LINUX_VERSION_CODE < 0x020600 | |
480 | #define DEV_SIMPLE_TAGS(device) device->tagged_queue | |
481 | /* | |
482 | * Hack around that qla1280_remove_one is called from | |
483 | * qla1280_release in 2.4 | |
484 | */ | |
485 | #undef __devexit | |
486 | #define __devexit | |
487 | #else | |
488 | #define DEV_SIMPLE_TAGS(device) device->simple_tags | |
489 | #endif | |
490 | #if defined(__ia64__) && !defined(ia64_platform_is) | |
491 | #define ia64_platform_is(foo) (!strcmp(x, platform_name)) | |
492 | #endif | |
493 | ||
494 | ||
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) | |
500 | ||
501 | ||
502 | static int qla1280_probe_one(struct pci_dev *, const struct pci_device_id *); | |
503 | static void qla1280_remove_one(struct pci_dev *); | |
504 | ||
505 | /* | |
506 | * QLogic Driver Support Function Prototypes. | |
507 | */ | |
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 *); | |
511 | #endif | |
512 | static int qla1280_get_token(char *); | |
513 | static int qla1280_setup(char *s) __init; | |
514 | ||
515 | /* | |
516 | * QLogic ISP1280 Hardware Support Function Prototypes. | |
517 | */ | |
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 *); | |
528 | #ifdef QLA_64BIT_PTR | |
529 | static int qla1280_64bit_start_scsi(struct scsi_qla_host *, struct srb *); | |
530 | #else | |
531 | static int qla1280_32bit_start_scsi(struct scsi_qla_host *, struct srb *); | |
532 | #endif | |
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 *, | |
541 | struct list_head *); | |
542 | static void qla1280_error_entry(struct scsi_qla_host *, struct response *, | |
543 | struct list_head *); | |
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 *, | |
549 | unsigned int); | |
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); | |
553 | ||
554 | ||
555 | static struct qla_driver_setup driver_setup; | |
556 | ||
557 | /* | |
558 | * convert scsi data direction to request_t control flags | |
559 | */ | |
560 | static inline uint16_t | |
561 | qla1280_data_direction(struct scsi_cmnd *cmnd) | |
562 | { | |
563 | switch(cmnd->sc_data_direction) { | |
564 | case DMA_FROM_DEVICE: | |
565 | return BIT_5; | |
566 | case DMA_TO_DEVICE: | |
567 | return BIT_6; | |
568 | case DMA_BIDIRECTIONAL: | |
569 | return BIT_5 | BIT_6; | |
570 | /* | |
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. | |
574 | */ | |
575 | case DMA_NONE: | |
576 | default: | |
577 | return 0; | |
578 | } | |
579 | } | |
580 | ||
581 | #if DEBUG_QLA1280 | |
582 | static void __qla1280_print_scsi_cmd(struct scsi_cmnd * cmd); | |
583 | static void __qla1280_dump_buffer(char *, int); | |
584 | #endif | |
585 | ||
586 | ||
587 | /* | |
588 | * insmod needs to find the variable and make it point to something | |
589 | */ | |
590 | #ifdef MODULE | |
591 | static char *qla1280; | |
592 | ||
593 | /* insmod qla1280 options=verbose" */ | |
594 | module_param(qla1280, charp, 0); | |
595 | #else | |
596 | __setup("qla1280=", qla1280_setup); | |
597 | #endif | |
598 | ||
599 | ||
600 | /* | |
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. | |
604 | */ | |
605 | ||
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 | |
615 | #else | |
616 | #define CMD_REQUEST(Cmnd) Cmnd->request->cmd | |
617 | #endif | |
618 | ||
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 | |
623 | ||
624 | ||
625 | /*****************************************/ | |
626 | /* ISP Boards supported by this driver */ | |
627 | /*****************************************/ | |
628 | ||
629 | struct qla_boards { | |
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 */ | |
636 | }; | |
637 | ||
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}, | |
645 | #endif | |
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}, | |
654 | {0,} | |
655 | }; | |
656 | MODULE_DEVICE_TABLE(pci, qla1280_pci_tbl); | |
657 | ||
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]}, | |
672 | {" ", 0} | |
673 | }; | |
674 | ||
675 | static int qla1280_verbose = 1; | |
676 | ||
677 | #if DEBUG_QLA1280 | |
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) | |
685 | #else | |
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) | |
690 | #endif | |
691 | ||
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); | |
696 | ||
697 | ||
698 | static int qla1280_read_nvram(struct scsi_qla_host *ha) | |
699 | { | |
700 | uint16_t *wptr; | |
701 | uint8_t chksum; | |
702 | int cnt, i; | |
703 | struct nvram *nv; | |
704 | ||
705 | ENTER("qla1280_read_nvram"); | |
706 | ||
707 | if (driver_setup.no_nvram) | |
708 | return 1; | |
709 | ||
710 | printk(KERN_INFO "scsi(%ld): Reading NVRAM\n", ha->host_no); | |
711 | ||
712 | wptr = (uint16_t *)&ha->nvram; | |
713 | nv = &ha->nvram; | |
714 | chksum = 0; | |
715 | for (cnt = 0; cnt < 3; cnt++) { | |
716 | *wptr = qla1280_get_nvram_word(ha, cnt); | |
717 | chksum += *wptr & 0xff; | |
718 | chksum += (*wptr >> 8) & 0xff; | |
719 | wptr++; | |
720 | } | |
721 | ||
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"); | |
725 | chksum = 1; | |
726 | } else { | |
727 | for (; cnt < sizeof(struct nvram); cnt++) { | |
728 | *wptr = qla1280_get_nvram_word(ha, cnt); | |
729 | chksum += *wptr & 0xff; | |
730 | chksum += (*wptr >> 8) & 0xff; | |
731 | wptr++; | |
732 | } | |
733 | } | |
734 | ||
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, | |
737 | nv->version); | |
738 | ||
739 | ||
740 | if (chksum) { | |
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); | |
745 | ha->nvram_valid = 0; | |
746 | } else | |
747 | ha->nvram_valid = 1; | |
748 | ||
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. | |
754 | * | |
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. | |
760 | * | |
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); | |
770 | } | |
771 | dprintk(1, "qla1280_read_nvram: Completed Reading NVRAM\n"); | |
772 | LEAVE("qla1280_read_nvram"); | |
773 | ||
774 | return chksum; | |
775 | } | |
776 | ||
777 | /************************************************************************** | |
778 | * qla1280_info | |
779 | * Return a string describing the driver. | |
780 | **************************************************************************/ | |
781 | static const char * | |
782 | qla1280_info(struct Scsi_Host *host) | |
783 | { | |
784 | static char qla1280_scsi_name_buffer[125]; | |
785 | char *bp; | |
786 | struct scsi_qla_host *ha; | |
787 | struct qla_boards *bdp; | |
788 | ||
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)); | |
793 | ||
794 | sprintf (bp, | |
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], | |
798 | QLA1280_VERSION); | |
799 | return bp; | |
800 | } | |
801 | ||
802 | /************************************************************************** | |
803 | * qla1200_queuecommand | |
804 | * Queue a command to the controller. | |
805 | * | |
806 | * Note: | |
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 | **************************************************************************/ | |
813 | static int | |
814 | qla1280_queuecommand(struct scsi_cmnd *cmd, void (*fn)(struct scsi_cmnd *)) | |
815 | { | |
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; | |
819 | int status; | |
820 | ||
821 | cmd->scsi_done = fn; | |
822 | sp->cmd = cmd; | |
823 | sp->flags = 0; | |
824 | ||
825 | qla1280_print_scsi_cmd(5, cmd); | |
826 | ||
827 | #ifdef QLA_64BIT_PTR | |
828 | /* | |
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. | |
833 | */ | |
834 | status = qla1280_64bit_start_scsi(ha, sp); | |
835 | #else | |
836 | status = qla1280_32bit_start_scsi(ha, sp); | |
837 | #endif | |
838 | return status; | |
839 | } | |
840 | ||
841 | enum action { | |
842 | ABORT_COMMAND, | |
843 | ABORT_DEVICE, | |
844 | DEVICE_RESET, | |
845 | BUS_RESET, | |
846 | ADAPTER_RESET, | |
847 | FAIL | |
848 | }; | |
849 | ||
850 | /* timer action for error action processor */ | |
851 | static void qla1280_error_wait_timeout(unsigned long __data) | |
852 | { | |
853 | struct scsi_cmnd *cmd = (struct scsi_cmnd *)__data; | |
854 | struct srb *sp = (struct srb *)CMD_SP(cmd); | |
855 | ||
856 | complete(sp->wait); | |
857 | } | |
858 | ||
859 | static void qla1280_mailbox_timeout(unsigned long __data) | |
860 | { | |
861 | struct scsi_qla_host *ha = (struct scsi_qla_host *)__data; | |
862 | struct device_reg __iomem *reg; | |
863 | reg = ha->iobase; | |
864 | ||
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); | |
870 | } | |
871 | ||
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). | |
876 | * | |
877 | * Input: | |
878 | * cmd = Linux SCSI command packet of the command that cause the | |
879 | * bus reset. | |
880 | * action = error action to take (see action_t) | |
881 | * | |
882 | * Returns: | |
883 | * SUCCESS or FAILED | |
884 | * | |
885 | * Note: | |
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 | **************************************************************************/ | |
891 | static int | |
892 | qla1280_error_action(struct scsi_cmnd *cmd, enum action action) | |
893 | { | |
894 | struct scsi_qla_host *ha; | |
895 | int bus, target, lun; | |
896 | struct srb *sp; | |
897 | uint16_t data; | |
898 | unsigned char *handle; | |
899 | int result, i; | |
900 | DECLARE_COMPLETION(wait); | |
901 | struct timer_list timer; | |
902 | ||
903 | ha = (struct scsi_qla_host *)(CMD_HOST(cmd)->hostdata); | |
904 | ||
905 | dprintk(4, "error_action %i, istatus 0x%04x\n", action, | |
906 | RD_REG_WORD(&ha->iobase->istatus)); | |
907 | ||
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); | |
911 | ||
912 | ENTER("qla1280_error_action"); | |
913 | if (qla1280_verbose) | |
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); | |
917 | ||
918 | if (cmd == NULL) { | |
919 | printk(KERN_WARNING "(scsi?:?:?:?) Reset called with NULL " | |
920 | "si_Cmnd pointer, failing.\n"); | |
921 | LEAVE("qla1280_error_action"); | |
922 | return FAILED; | |
923 | } | |
924 | ||
925 | ha = (struct scsi_qla_host *)cmd->device->host->hostdata; | |
926 | sp = (struct srb *)CMD_SP(cmd); | |
927 | handle = CMD_HANDLE(cmd); | |
928 | ||
929 | /* Check for pending interrupts. */ | |
930 | data = qla1280_debounce_register(&ha->iobase->istatus); | |
931 | /* | |
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 | |
935 | */ | |
936 | if (data & RISC_INT) | |
937 | qla1280_isr(ha, &ha->done_q); | |
938 | ||
939 | /* | |
940 | * Determine the suggested action that the mid-level driver wants | |
941 | * us to perform. | |
942 | */ | |
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 */ | |
948 | } | |
949 | } else { | |
950 | sp->wait = &wait; | |
951 | } | |
952 | ||
953 | bus = SCSI_BUS_32(cmd); | |
954 | target = SCSI_TCN_32(cmd); | |
955 | lun = SCSI_LUN_32(cmd); | |
956 | ||
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 */ | |
960 | result = FAILED; | |
961 | switch (action) { | |
962 | case FAIL: | |
963 | break; | |
964 | ||
965 | case ABORT_COMMAND: | |
966 | if ((sp->flags & SRB_ABORT_PENDING)) { | |
967 | printk(KERN_WARNING | |
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 */ | |
972 | break; | |
973 | } | |
974 | ||
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) | |
979 | result = SUCCESS; | |
980 | else { | |
981 | /* | |
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. | |
988 | */ | |
989 | printk(KERN_WARNING | |
990 | "scsi(%li:%i:%i:%i): Unable" | |
991 | " to abort command!\n", | |
992 | ha->host_no, bus, target, lun); | |
993 | } | |
994 | } | |
995 | } | |
996 | break; | |
997 | ||
998 | case ABORT_DEVICE: | |
999 | ha->flags.in_reset = 1; | |
1000 | if (qla1280_verbose) | |
1001 | printk(KERN_INFO | |
1002 | "scsi(%ld:%d:%d:%d): Queueing abort device " | |
1003 | "command.\n", ha->host_no, bus, target, lun); | |
1004 | if (qla1280_abort_device(ha, bus, target, lun) == 0) | |
1005 | result = SUCCESS; | |
1006 | break; | |
1007 | ||
1008 | case DEVICE_RESET: | |
1009 | if (qla1280_verbose) | |
1010 | printk(KERN_INFO | |
1011 | "scsi(%ld:%d:%d:%d): Queueing device reset " | |
1012 | "command.\n", ha->host_no, bus, target, lun); | |
1013 | ha->flags.in_reset = 1; | |
1014 | if (qla1280_device_reset(ha, bus, target) == 0) | |
1015 | result = SUCCESS; | |
1016 | break; | |
1017 | ||
1018 | case BUS_RESET: | |
1019 | if (qla1280_verbose) | |
1020 | printk(KERN_INFO "qla1280(%ld:%d): Issuing BUS " | |
1021 | "DEVICE RESET\n", ha->host_no, bus); | |
1022 | ha->flags.in_reset = 1; | |
1023 | if (qla1280_bus_reset(ha, bus == 0)) | |
1024 | result = SUCCESS; | |
1025 | ||
1026 | break; | |
1027 | ||
1028 | case ADAPTER_RESET: | |
1029 | default: | |
1030 | if (qla1280_verbose) { | |
1031 | printk(KERN_INFO | |
1032 | "scsi(%ld): Issued ADAPTER RESET\n", | |
1033 | ha->host_no); | |
1034 | printk(KERN_INFO "scsi(%ld): I/O processing will " | |
1035 | "continue automatically\n", ha->host_no); | |
1036 | } | |
1037 | ha->flags.reset_active = 1; | |
1038 | /* | |
1039 | * We restarted all of the commands automatically, so the | |
1040 | * mid-level code can expect completions momentitarily. | |
1041 | */ | |
1042 | if (qla1280_abort_isp(ha) == 0) | |
1043 | result = SUCCESS; | |
1044 | ||
1045 | ha->flags.reset_active = 0; | |
1046 | } | |
1047 | ||
1048 | if (!list_empty(&ha->done_q)) | |
1049 | qla1280_done(ha); | |
1050 | ha->flags.in_reset = 0; | |
1051 | ||
1052 | /* If we didn't manage to issue the action, or we have no | |
1053 | * command to wait for, exit here */ | |
1054 | if (result == FAILED || handle == NULL || | |
1055 | handle == (unsigned char *)INVALID_HANDLE) { | |
1056 | /* | |
1057 | * Clear completion queue to avoid qla1280_done() trying | |
1058 | * to complete the command at a later stage after we | |
1059 | * have exited the current context | |
1060 | */ | |
1061 | sp->wait = NULL; | |
1062 | goto leave; | |
1063 | } | |
1064 | ||
1065 | /* set up a timer just in case we're really jammed */ | |
1066 | init_timer(&timer); | |
1067 | timer.expires = jiffies + 4*HZ; | |
1068 | timer.data = (unsigned long)cmd; | |
1069 | timer.function = qla1280_error_wait_timeout; | |
1070 | add_timer(&timer); | |
1071 | ||
1072 | /* wait for the action to complete (or the timer to expire) */ | |
1073 | spin_unlock_irq(HOST_LOCK); | |
1074 | wait_for_completion(&wait); | |
1075 | del_timer_sync(&timer); | |
1076 | spin_lock_irq(HOST_LOCK); | |
1077 | sp->wait = NULL; | |
1078 | ||
1079 | /* the only action we might get a fail for is abort */ | |
1080 | if (action == ABORT_COMMAND) { | |
1081 | if(sp->flags & SRB_ABORTED) | |
1082 | result = SUCCESS; | |
1083 | else | |
1084 | result = FAILED; | |
1085 | } | |
1086 | ||
1087 | leave: | |
1088 | dprintk(1, "RESET returning %d\n", result); | |
1089 | ||
1090 | LEAVE("qla1280_error_action"); | |
1091 | return result; | |
1092 | } | |
1093 | ||
1094 | /************************************************************************** | |
1095 | * qla1280_abort | |
1096 | * Abort the specified SCSI command(s). | |
1097 | **************************************************************************/ | |
1098 | static int | |
1099 | qla1280_eh_abort(struct scsi_cmnd * cmd) | |
1100 | { | |
8fa728a2 JG |
1101 | int rc; |
1102 | ||
1103 | spin_lock_irq(cmd->device->host->host_lock); | |
1104 | rc = qla1280_error_action(cmd, ABORT_COMMAND); | |
1105 | spin_unlock_irq(cmd->device->host->host_lock); | |
1106 | ||
1107 | return rc; | |
1da177e4 LT |
1108 | } |
1109 | ||
1110 | /************************************************************************** | |
1111 | * qla1280_device_reset | |
1112 | * Reset the specified SCSI device | |
1113 | **************************************************************************/ | |
1114 | static int | |
1115 | qla1280_eh_device_reset(struct scsi_cmnd *cmd) | |
1116 | { | |
94d0e7b8 JG |
1117 | int rc; |
1118 | ||
1119 | spin_lock_irq(cmd->device->host->host_lock); | |
1120 | rc = qla1280_error_action(cmd, DEVICE_RESET); | |
1121 | spin_unlock_irq(cmd->device->host->host_lock); | |
1122 | ||
1123 | return rc; | |
1da177e4 LT |
1124 | } |
1125 | ||
1126 | /************************************************************************** | |
1127 | * qla1280_bus_reset | |
1128 | * Reset the specified bus. | |
1129 | **************************************************************************/ | |
1130 | static int | |
1131 | qla1280_eh_bus_reset(struct scsi_cmnd *cmd) | |
1132 | { | |
68b3aa7c JG |
1133 | int rc; |
1134 | ||
1135 | spin_lock_irq(cmd->device->host->host_lock); | |
1136 | rc = qla1280_error_action(cmd, BUS_RESET); | |
1137 | spin_unlock_irq(cmd->device->host->host_lock); | |
1138 | ||
1139 | return rc; | |
1da177e4 LT |
1140 | } |
1141 | ||
1142 | /************************************************************************** | |
1143 | * qla1280_adapter_reset | |
1144 | * Reset the specified adapter (both channels) | |
1145 | **************************************************************************/ | |
1146 | static int | |
1147 | qla1280_eh_adapter_reset(struct scsi_cmnd *cmd) | |
1148 | { | |
1149 | return qla1280_error_action(cmd, ADAPTER_RESET); | |
1150 | } | |
1151 | ||
1152 | static int | |
1153 | qla1280_biosparam(struct scsi_device *sdev, struct block_device *bdev, | |
1154 | sector_t capacity, int geom[]) | |
1155 | { | |
1156 | int heads, sectors, cylinders; | |
1157 | ||
1158 | heads = 64; | |
1159 | sectors = 32; | |
1160 | cylinders = (unsigned long)capacity / (heads * sectors); | |
1161 | if (cylinders > 1024) { | |
1162 | heads = 255; | |
1163 | sectors = 63; | |
1164 | cylinders = (unsigned long)capacity / (heads * sectors); | |
1165 | /* if (cylinders > 1023) | |
1166 | cylinders = 1023; */ | |
1167 | } | |
1168 | ||
1169 | geom[0] = heads; | |
1170 | geom[1] = sectors; | |
1171 | geom[2] = cylinders; | |
1172 | ||
1173 | return 0; | |
1174 | } | |
1175 | ||
1176 | #if LINUX_VERSION_CODE < 0x020600 | |
1177 | static int | |
1178 | qla1280_detect(Scsi_Host_Template *template) | |
1179 | { | |
1180 | struct pci_device_id *id = &qla1280_pci_tbl[0]; | |
1181 | struct pci_dev *pdev = NULL; | |
1182 | int num_hosts = 0; | |
1183 | ||
1184 | if (sizeof(struct srb) > sizeof(Scsi_Pointer)) { | |
1185 | printk(KERN_WARNING | |
1186 | "qla1280: struct srb too big, aborting\n"); | |
1187 | return 0; | |
1188 | } | |
1189 | ||
1190 | if ((DMA_BIDIRECTIONAL != PCI_DMA_BIDIRECTIONAL) || | |
1191 | (DMA_TO_DEVICE != PCI_DMA_TODEVICE) || | |
1192 | (DMA_FROM_DEVICE != PCI_DMA_FROMDEVICE) || | |
1193 | (DMA_NONE != PCI_DMA_NONE)) { | |
1194 | printk(KERN_WARNING | |
1195 | "qla1280: dma direction bits don't match\n"); | |
1196 | return 0; | |
1197 | } | |
1198 | ||
1199 | #ifdef MODULE | |
1200 | /* | |
1201 | * If we are called as a module, the qla1280 pointer may not be null | |
1202 | * and it would point to our bootup string, just like on the lilo | |
1203 | * command line. IF not NULL, then process this config string with | |
1204 | * qla1280_setup | |
1205 | * | |
1206 | * Boot time Options | |
1207 | * To add options at boot time add a line to your lilo.conf file like: | |
1208 | * append="qla1280=verbose,max_tags:{{255,255,255,255},{255,255,255,255}}" | |
1209 | * which will result in the first four devices on the first two | |
1210 | * controllers being set to a tagged queue depth of 32. | |
1211 | */ | |
1212 | if (qla1280) | |
1213 | qla1280_setup(qla1280); | |
1214 | #endif | |
1215 | ||
1216 | /* First Initialize QLA12160 on PCI Bus 1 Dev 2 */ | |
1217 | while ((pdev = pci_find_device(id->vendor, id->device, pdev))) { | |
1218 | if (pdev->bus->number == 1 && PCI_SLOT(pdev->devfn) == 2) { | |
1219 | if (!qla1280_probe_one(pdev, id)) | |
1220 | num_hosts++; | |
1221 | } | |
1222 | } | |
1223 | ||
1224 | pdev = NULL; | |
1225 | /* Try and find each different type of adapter we support */ | |
1226 | for (id = &qla1280_pci_tbl[0]; id->device; id++) { | |
1227 | while ((pdev = pci_find_device(id->vendor, id->device, pdev))) { | |
1228 | /* | |
1229 | * skip QLA12160 already initialized on | |
1230 | * PCI Bus 1 Dev 2 since we already initialized | |
1231 | * and presented it | |
1232 | */ | |
1233 | if (id->device == PCI_DEVICE_ID_QLOGIC_ISP12160 && | |
1234 | pdev->bus->number == 1 && | |
1235 | PCI_SLOT(pdev->devfn) == 2) | |
1236 | continue; | |
1237 | ||
1238 | if (!qla1280_probe_one(pdev, id)) | |
1239 | num_hosts++; | |
1240 | } | |
1241 | } | |
1242 | ||
1243 | return num_hosts; | |
1244 | } | |
1245 | ||
1246 | /* | |
1247 | * This looks a bit ugly as we could just pass down host to | |
1248 | * qla1280_remove_one, but I want to keep qla1280_release purely a wrapper | |
1249 | * around pci_driver::remove as used from 2.6 onwards. | |
1250 | */ | |
1251 | static int | |
1252 | qla1280_release(struct Scsi_Host *host) | |
1253 | { | |
1254 | struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata; | |
1255 | ||
1256 | qla1280_remove_one(ha->pdev); | |
1257 | return 0; | |
1258 | } | |
1259 | ||
1260 | static int | |
1261 | qla1280_biosparam_old(Disk * disk, kdev_t dev, int geom[]) | |
1262 | { | |
1263 | return qla1280_biosparam(disk->device, NULL, disk->capacity, geom); | |
1264 | } | |
1265 | #endif | |
1266 | ||
1267 | /************************************************************************** | |
1268 | * qla1280_intr_handler | |
1269 | * Handles the H/W interrupt | |
1270 | **************************************************************************/ | |
1271 | static irqreturn_t | |
1272 | qla1280_intr_handler(int irq, void *dev_id, struct pt_regs *regs) | |
1273 | { | |
1274 | struct scsi_qla_host *ha; | |
1275 | struct device_reg __iomem *reg; | |
1276 | u16 data; | |
1277 | int handled = 0; | |
1278 | ||
1279 | ENTER_INTR ("qla1280_intr_handler"); | |
1280 | ha = (struct scsi_qla_host *)dev_id; | |
1281 | ||
1282 | spin_lock(HOST_LOCK); | |
1283 | ||
1284 | ha->isr_count++; | |
1285 | reg = ha->iobase; | |
1286 | ||
1287 | WRT_REG_WORD(®->ictrl, 0); /* disable our interrupt. */ | |
1288 | ||
1289 | data = qla1280_debounce_register(®->istatus); | |
1290 | /* Check for pending interrupts. */ | |
1291 | if (data & RISC_INT) { | |
1292 | qla1280_isr(ha, &ha->done_q); | |
1293 | handled = 1; | |
1294 | } | |
1295 | if (!list_empty(&ha->done_q)) | |
1296 | qla1280_done(ha); | |
1297 | ||
1298 | spin_unlock(HOST_LOCK); | |
1299 | ||
1300 | /* enable our interrupt. */ | |
1301 | WRT_REG_WORD(®->ictrl, (ISP_EN_INT | ISP_EN_RISC)); | |
1302 | ||
1303 | LEAVE_INTR("qla1280_intr_handler"); | |
1304 | return IRQ_RETVAL(handled); | |
1305 | } | |
1306 | ||
1307 | ||
1308 | static int | |
1309 | qla1280_set_target_parameters(struct scsi_qla_host *ha, int bus, int target) | |
1310 | { | |
1311 | uint8_t mr; | |
1312 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
1313 | struct nvram *nv; | |
1314 | int status; | |
1315 | ||
1316 | nv = &ha->nvram; | |
1317 | ||
1318 | mr = BIT_3 | BIT_2 | BIT_1 | BIT_0; | |
1319 | ||
1320 | /* Set Target Parameters. */ | |
1321 | mb[0] = MBC_SET_TARGET_PARAMETERS; | |
1322 | mb[1] = (uint16_t) (bus ? target | BIT_7 : target); | |
1323 | mb[1] <<= 8; | |
1324 | ||
1325 | mb[2] = (nv->bus[bus].target[target].parameter.c << 8); | |
1326 | ||
1327 | if (IS_ISP1x160(ha)) { | |
1328 | mb[2] |= nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr << 5; | |
1329 | mb[3] = (nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8) | | |
1330 | nv->bus[bus].target[target].sync_period; | |
1331 | mb[6] = (nv->bus[bus].target[target].ppr_1x160.flags.ppr_options << 8) | | |
1332 | nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width; | |
1333 | mr |= BIT_6; | |
1334 | } else { | |
1335 | mb[3] = (nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8) | | |
1336 | nv->bus[bus].target[target].sync_period; | |
1337 | } | |
1338 | ||
1339 | status = qla1280_mailbox_command(ha, mr, &mb[0]); | |
1340 | ||
1341 | if (status) | |
1342 | printk(KERN_WARNING "scsi(%ld:%i:%i): " | |
1343 | "qla1280_set_target_parameters() failed\n", | |
1344 | ha->host_no, bus, target); | |
1345 | return status; | |
1346 | } | |
1347 | ||
1348 | ||
1349 | /************************************************************************** | |
1350 | * qla1280_slave_configure | |
1351 | * | |
1352 | * Description: | |
1353 | * Determines the queue depth for a given device. There are two ways | |
1354 | * a queue depth can be obtained for a tagged queueing device. One | |
1355 | * way is the default queue depth which is determined by whether | |
1356 | * If it is defined, then it is used | |
1357 | * as the default queue depth. Otherwise, we use either 4 or 8 as the | |
1358 | * default queue depth (dependent on the number of hardware SCBs). | |
1359 | **************************************************************************/ | |
1360 | static int | |
1361 | qla1280_slave_configure(struct scsi_device *device) | |
1362 | { | |
1363 | struct scsi_qla_host *ha; | |
1364 | int default_depth = 3; | |
1365 | int bus = device->channel; | |
1366 | int target = device->id; | |
1367 | int status = 0; | |
1368 | struct nvram *nv; | |
1369 | unsigned long flags; | |
1370 | ||
1371 | ha = (struct scsi_qla_host *)device->host->hostdata; | |
1372 | nv = &ha->nvram; | |
1373 | ||
1374 | if (qla1280_check_for_dead_scsi_bus(ha, bus)) | |
1375 | return 1; | |
1376 | ||
1377 | if (device->tagged_supported && | |
1378 | (ha->bus_settings[bus].qtag_enables & (BIT_0 << target))) { | |
1379 | scsi_adjust_queue_depth(device, MSG_ORDERED_TAG, | |
1380 | ha->bus_settings[bus].hiwat); | |
1381 | } else { | |
1382 | scsi_adjust_queue_depth(device, 0, default_depth); | |
1383 | } | |
1384 | ||
1385 | #if LINUX_VERSION_CODE > 0x020500 | |
1386 | nv->bus[bus].target[target].parameter.f.enable_sync = device->sdtr; | |
1387 | nv->bus[bus].target[target].parameter.f.enable_wide = device->wdtr; | |
1388 | nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = device->ppr; | |
1389 | #endif | |
1390 | ||
1391 | if (driver_setup.no_sync || | |
1392 | (driver_setup.sync_mask && | |
1393 | (~driver_setup.sync_mask & (1 << target)))) | |
1394 | nv->bus[bus].target[target].parameter.f.enable_sync = 0; | |
1395 | if (driver_setup.no_wide || | |
1396 | (driver_setup.wide_mask && | |
1397 | (~driver_setup.wide_mask & (1 << target)))) | |
1398 | nv->bus[bus].target[target].parameter.f.enable_wide = 0; | |
1399 | if (IS_ISP1x160(ha)) { | |
1400 | if (driver_setup.no_ppr || | |
1401 | (driver_setup.ppr_mask && | |
1402 | (~driver_setup.ppr_mask & (1 << target)))) | |
1403 | nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 0; | |
1404 | } | |
1405 | ||
1406 | spin_lock_irqsave(HOST_LOCK, flags); | |
1407 | if (nv->bus[bus].target[target].parameter.f.enable_sync) | |
1408 | status = qla1280_set_target_parameters(ha, bus, target); | |
1409 | qla1280_get_target_parameters(ha, device); | |
1410 | spin_unlock_irqrestore(HOST_LOCK, flags); | |
1411 | return status; | |
1412 | } | |
1413 | ||
1414 | #if LINUX_VERSION_CODE < 0x020545 | |
1415 | /************************************************************************** | |
1416 | * qla1280_select_queue_depth | |
1417 | * | |
1418 | * Sets the queue depth for each SCSI device hanging off the input | |
1419 | * host adapter. We use a queue depth of 2 for devices that do not | |
1420 | * support tagged queueing. | |
1421 | **************************************************************************/ | |
1422 | static void | |
1423 | qla1280_select_queue_depth(struct Scsi_Host *host, struct scsi_device *sdev_q) | |
1424 | { | |
1425 | struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata; | |
1426 | struct scsi_device *sdev; | |
1427 | ||
1428 | ENTER("qla1280_select_queue_depth"); | |
1429 | for (sdev = sdev_q; sdev; sdev = sdev->next) | |
1430 | if (sdev->host == host) | |
1431 | qla1280_slave_configure(sdev); | |
1432 | ||
1433 | if (sdev_q) | |
1434 | qla1280_check_for_dead_scsi_bus(ha, sdev_q->channel); | |
1435 | LEAVE("qla1280_select_queue_depth"); | |
1436 | } | |
1437 | #endif | |
1438 | ||
1439 | /* | |
1440 | * qla1280_done | |
1441 | * Process completed commands. | |
1442 | * | |
1443 | * Input: | |
1444 | * ha = adapter block pointer. | |
1445 | * done_q = done queue. | |
1446 | */ | |
1447 | static void | |
1448 | qla1280_done(struct scsi_qla_host *ha) | |
1449 | { | |
1450 | struct srb *sp; | |
1451 | struct list_head *done_q; | |
1452 | int bus, target, lun; | |
1453 | struct scsi_cmnd *cmd; | |
1454 | ||
1455 | ENTER("qla1280_done"); | |
1456 | ||
1457 | done_q = &ha->done_q; | |
1458 | ||
1459 | while (!list_empty(done_q)) { | |
1460 | sp = list_entry(done_q->next, struct srb, list); | |
1461 | ||
1462 | list_del(&sp->list); | |
1463 | ||
1464 | cmd = sp->cmd; | |
1465 | bus = SCSI_BUS_32(cmd); | |
1466 | target = SCSI_TCN_32(cmd); | |
1467 | lun = SCSI_LUN_32(cmd); | |
1468 | ||
1469 | switch ((CMD_RESULT(cmd) >> 16)) { | |
1470 | case DID_RESET: | |
1471 | /* Issue marker command. */ | |
1472 | qla1280_marker(ha, bus, target, 0, MK_SYNC_ID); | |
1473 | break; | |
1474 | case DID_ABORT: | |
1475 | sp->flags &= ~SRB_ABORT_PENDING; | |
1476 | sp->flags |= SRB_ABORTED; | |
1477 | if (sp->flags & SRB_TIMEOUT) | |
1478 | CMD_RESULT(sp->cmd) = DID_TIME_OUT << 16; | |
1479 | break; | |
1480 | default: | |
1481 | break; | |
1482 | } | |
1483 | ||
1484 | /* Release memory used for this I/O */ | |
1485 | if (cmd->use_sg) { | |
1486 | pci_unmap_sg(ha->pdev, cmd->request_buffer, | |
1487 | cmd->use_sg, cmd->sc_data_direction); | |
1488 | } else if (cmd->request_bufflen) { | |
1489 | pci_unmap_single(ha->pdev, sp->saved_dma_handle, | |
1490 | cmd->request_bufflen, | |
1491 | cmd->sc_data_direction); | |
1492 | } | |
1493 | ||
1494 | /* Call the mid-level driver interrupt handler */ | |
1495 | CMD_HANDLE(sp->cmd) = (unsigned char *)INVALID_HANDLE; | |
1496 | ha->actthreads--; | |
1497 | ||
1498 | #if LINUX_VERSION_CODE < 0x020500 | |
1499 | if (cmd->cmnd[0] == INQUIRY) | |
1500 | qla1280_get_target_options(cmd, ha); | |
1501 | #endif | |
1502 | (*(cmd)->scsi_done)(cmd); | |
1503 | ||
1504 | if(sp->wait != NULL) | |
1505 | complete(sp->wait); | |
1506 | } | |
1507 | LEAVE("qla1280_done"); | |
1508 | } | |
1509 | ||
1510 | /* | |
1511 | * Translates a ISP error to a Linux SCSI error | |
1512 | */ | |
1513 | static int | |
1514 | qla1280_return_status(struct response * sts, struct scsi_cmnd *cp) | |
1515 | { | |
1516 | int host_status = DID_ERROR; | |
1517 | uint16_t comp_status = le16_to_cpu(sts->comp_status); | |
1518 | uint16_t state_flags = le16_to_cpu(sts->state_flags); | |
1519 | uint16_t residual_length = le16_to_cpu(sts->residual_length); | |
1520 | uint16_t scsi_status = le16_to_cpu(sts->scsi_status); | |
1521 | #if DEBUG_QLA1280_INTR | |
1522 | static char *reason[] = { | |
1523 | "DID_OK", | |
1524 | "DID_NO_CONNECT", | |
1525 | "DID_BUS_BUSY", | |
1526 | "DID_TIME_OUT", | |
1527 | "DID_BAD_TARGET", | |
1528 | "DID_ABORT", | |
1529 | "DID_PARITY", | |
1530 | "DID_ERROR", | |
1531 | "DID_RESET", | |
1532 | "DID_BAD_INTR" | |
1533 | }; | |
1534 | #endif /* DEBUG_QLA1280_INTR */ | |
1535 | ||
1536 | ENTER("qla1280_return_status"); | |
1537 | ||
1538 | #if DEBUG_QLA1280_INTR | |
1539 | /* | |
1540 | dprintk(1, "qla1280_return_status: compl status = 0x%04x\n", | |
1541 | comp_status); | |
1542 | */ | |
1543 | #endif | |
1544 | ||
1545 | switch (comp_status) { | |
1546 | case CS_COMPLETE: | |
1547 | host_status = DID_OK; | |
1548 | break; | |
1549 | ||
1550 | case CS_INCOMPLETE: | |
1551 | if (!(state_flags & SF_GOT_BUS)) | |
1552 | host_status = DID_NO_CONNECT; | |
1553 | else if (!(state_flags & SF_GOT_TARGET)) | |
1554 | host_status = DID_BAD_TARGET; | |
1555 | else if (!(state_flags & SF_SENT_CDB)) | |
1556 | host_status = DID_ERROR; | |
1557 | else if (!(state_flags & SF_TRANSFERRED_DATA)) | |
1558 | host_status = DID_ERROR; | |
1559 | else if (!(state_flags & SF_GOT_STATUS)) | |
1560 | host_status = DID_ERROR; | |
1561 | else if (!(state_flags & SF_GOT_SENSE)) | |
1562 | host_status = DID_ERROR; | |
1563 | break; | |
1564 | ||
1565 | case CS_RESET: | |
1566 | host_status = DID_RESET; | |
1567 | break; | |
1568 | ||
1569 | case CS_ABORTED: | |
1570 | host_status = DID_ABORT; | |
1571 | break; | |
1572 | ||
1573 | case CS_TIMEOUT: | |
1574 | host_status = DID_TIME_OUT; | |
1575 | break; | |
1576 | ||
1577 | case CS_DATA_OVERRUN: | |
1578 | dprintk(2, "Data overrun 0x%x\n", residual_length); | |
1579 | dprintk(2, "qla1280_isr: response packet data\n"); | |
1580 | qla1280_dump_buffer(2, (char *)sts, RESPONSE_ENTRY_SIZE); | |
1581 | host_status = DID_ERROR; | |
1582 | break; | |
1583 | ||
1584 | case CS_DATA_UNDERRUN: | |
1585 | if ((cp->request_bufflen - residual_length) < | |
1586 | cp->underflow) { | |
1587 | printk(KERN_WARNING | |
1588 | "scsi: Underflow detected - retrying " | |
1589 | "command.\n"); | |
1590 | host_status = DID_ERROR; | |
1591 | } else | |
1592 | host_status = DID_OK; | |
1593 | break; | |
1594 | ||
1595 | default: | |
1596 | host_status = DID_ERROR; | |
1597 | break; | |
1598 | } | |
1599 | ||
1600 | #if DEBUG_QLA1280_INTR | |
1601 | dprintk(1, "qla1280 ISP status: host status (%s) scsi status %x\n", | |
1602 | reason[host_status], scsi_status); | |
1603 | #endif | |
1604 | ||
1605 | LEAVE("qla1280_return_status"); | |
1606 | ||
1607 | return (scsi_status & 0xff) | (host_status << 16); | |
1608 | } | |
1609 | ||
1610 | /****************************************************************************/ | |
1611 | /* QLogic ISP1280 Hardware Support Functions. */ | |
1612 | /****************************************************************************/ | |
1613 | ||
1614 | /* | |
1615 | * qla2100_enable_intrs | |
1616 | * qla2100_disable_intrs | |
1617 | * | |
1618 | * Input: | |
1619 | * ha = adapter block pointer. | |
1620 | * | |
1621 | * Returns: | |
1622 | * None | |
1623 | */ | |
1624 | static inline void | |
1625 | qla1280_enable_intrs(struct scsi_qla_host *ha) | |
1626 | { | |
1627 | struct device_reg __iomem *reg; | |
1628 | ||
1629 | reg = ha->iobase; | |
1630 | /* enable risc and host interrupts */ | |
1631 | WRT_REG_WORD(®->ictrl, (ISP_EN_INT | ISP_EN_RISC)); | |
1632 | RD_REG_WORD(®->ictrl); /* PCI Posted Write flush */ | |
1633 | ha->flags.ints_enabled = 1; | |
1634 | } | |
1635 | ||
1636 | static inline void | |
1637 | qla1280_disable_intrs(struct scsi_qla_host *ha) | |
1638 | { | |
1639 | struct device_reg __iomem *reg; | |
1640 | ||
1641 | reg = ha->iobase; | |
1642 | /* disable risc and host interrupts */ | |
1643 | WRT_REG_WORD(®->ictrl, 0); | |
1644 | RD_REG_WORD(®->ictrl); /* PCI Posted Write flush */ | |
1645 | ha->flags.ints_enabled = 0; | |
1646 | } | |
1647 | ||
1648 | /* | |
1649 | * qla1280_initialize_adapter | |
1650 | * Initialize board. | |
1651 | * | |
1652 | * Input: | |
1653 | * ha = adapter block pointer. | |
1654 | * | |
1655 | * Returns: | |
1656 | * 0 = success | |
1657 | */ | |
1658 | static int __devinit | |
1659 | qla1280_initialize_adapter(struct scsi_qla_host *ha) | |
1660 | { | |
1661 | struct device_reg __iomem *reg; | |
1662 | int status; | |
1663 | int bus; | |
1664 | #if LINUX_VERSION_CODE > 0x020500 | |
1665 | unsigned long flags; | |
1666 | #endif | |
1667 | ||
1668 | ENTER("qla1280_initialize_adapter"); | |
1669 | ||
1670 | /* Clear adapter flags. */ | |
1671 | ha->flags.online = 0; | |
1672 | ha->flags.disable_host_adapter = 0; | |
1673 | ha->flags.reset_active = 0; | |
1674 | ha->flags.abort_isp_active = 0; | |
1675 | ||
1676 | ha->flags.ints_enabled = 0; | |
1677 | #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) | |
1678 | if (ia64_platform_is("sn2")) { | |
1679 | printk(KERN_INFO "scsi(%li): Enabling SN2 PCI DMA " | |
1680 | "dual channel lockup workaround\n", ha->host_no); | |
1681 | ha->flags.use_pci_vchannel = 1; | |
1682 | driver_setup.no_nvram = 1; | |
1683 | } | |
1684 | #endif | |
1685 | ||
1686 | /* TODO: implement support for the 1040 nvram format */ | |
1687 | if (IS_ISP1040(ha)) | |
1688 | driver_setup.no_nvram = 1; | |
1689 | ||
1690 | dprintk(1, "Configure PCI space for adapter...\n"); | |
1691 | ||
1692 | reg = ha->iobase; | |
1693 | ||
1694 | /* Insure mailbox registers are free. */ | |
1695 | WRT_REG_WORD(®->semaphore, 0); | |
1696 | WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT); | |
1697 | WRT_REG_WORD(®->host_cmd, HC_CLR_HOST_INT); | |
1698 | RD_REG_WORD(®->host_cmd); | |
1699 | ||
1700 | if (qla1280_read_nvram(ha)) { | |
1701 | dprintk(2, "qla1280_initialize_adapter: failed to read " | |
1702 | "NVRAM\n"); | |
1703 | } | |
1704 | ||
1705 | #if LINUX_VERSION_CODE >= 0x020500 | |
1706 | /* | |
1707 | * It's necessary to grab the spin here as qla1280_mailbox_command | |
1708 | * needs to be able to drop the lock unconditionally to wait | |
1709 | * for completion. | |
1710 | * In 2.4 ->detect is called with the io_request_lock held. | |
1711 | */ | |
1712 | spin_lock_irqsave(HOST_LOCK, flags); | |
1713 | #endif | |
1714 | ||
1715 | status = qla1280_load_firmware(ha); | |
1716 | if (status) { | |
1717 | printk(KERN_ERR "scsi(%li): initialize: pci probe failed!\n", | |
1718 | ha->host_no); | |
1719 | goto out; | |
1720 | } | |
1721 | ||
1722 | /* Setup adapter based on NVRAM parameters. */ | |
1723 | dprintk(1, "scsi(%ld): Configure NVRAM parameters\n", ha->host_no); | |
1724 | qla1280_nvram_config(ha); | |
1725 | ||
1726 | if (ha->flags.disable_host_adapter) { | |
1727 | status = 1; | |
1728 | goto out; | |
1729 | } | |
1730 | ||
1731 | status = qla1280_init_rings(ha); | |
1732 | if (status) | |
1733 | goto out; | |
1734 | ||
1735 | /* Issue SCSI reset, if we can't reset twice then bus is dead */ | |
1736 | for (bus = 0; bus < ha->ports; bus++) { | |
1737 | if (!ha->bus_settings[bus].disable_scsi_reset && | |
1738 | qla1280_bus_reset(ha, bus) && | |
1739 | qla1280_bus_reset(ha, bus)) | |
1740 | ha->bus_settings[bus].scsi_bus_dead = 1; | |
1741 | } | |
1742 | ||
1743 | ha->flags.online = 1; | |
1744 | out: | |
1745 | #if LINUX_VERSION_CODE >= 0x020500 | |
1746 | spin_unlock_irqrestore(HOST_LOCK, flags); | |
1747 | #endif | |
1748 | if (status) | |
1749 | dprintk(2, "qla1280_initialize_adapter: **** FAILED ****\n"); | |
1750 | ||
1751 | LEAVE("qla1280_initialize_adapter"); | |
1752 | return status; | |
1753 | } | |
1754 | ||
1755 | ||
1756 | /* | |
1757 | * ISP Firmware Test | |
1758 | * Checks if present version of RISC firmware is older than | |
1759 | * driver firmware. | |
1760 | * | |
1761 | * Input: | |
1762 | * ha = adapter block pointer. | |
1763 | * | |
1764 | * Returns: | |
1765 | * 0 = firmware does not need to be loaded. | |
1766 | */ | |
1767 | static int | |
1768 | qla1280_isp_firmware(struct scsi_qla_host *ha) | |
1769 | { | |
1770 | struct nvram *nv = (struct nvram *) ha->response_ring; | |
1771 | int status = 0; /* dg 2/27 always loads RISC */ | |
1772 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
1773 | ||
1774 | ENTER("qla1280_isp_firmware"); | |
1775 | ||
1776 | dprintk(1, "scsi(%li): Determining if RISC is loaded\n", ha->host_no); | |
1777 | ||
1778 | /* Bad NVRAM data, load RISC code. */ | |
1779 | if (!ha->nvram_valid) { | |
1780 | ha->flags.disable_risc_code_load = 0; | |
1781 | } else | |
1782 | ha->flags.disable_risc_code_load = | |
1783 | nv->cntr_flags_1.disable_loading_risc_code; | |
1784 | ||
1785 | if (ha->flags.disable_risc_code_load) { | |
1786 | dprintk(3, "qla1280_isp_firmware: Telling RISC to verify " | |
1787 | "checksum of loaded BIOS code.\n"); | |
1788 | ||
1789 | /* Verify checksum of loaded RISC code. */ | |
1790 | mb[0] = MBC_VERIFY_CHECKSUM; | |
1791 | /* mb[1] = ql12_risc_code_addr01; */ | |
1792 | mb[1] = *ql1280_board_tbl[ha->devnum].fwstart; | |
1793 | ||
1794 | if (!(status = | |
1795 | qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]))) { | |
1796 | /* Start firmware execution. */ | |
1797 | dprintk(3, "qla1280_isp_firmware: Startng F/W " | |
1798 | "execution.\n"); | |
1799 | ||
1800 | mb[0] = MBC_EXECUTE_FIRMWARE; | |
1801 | /* mb[1] = ql12_risc_code_addr01; */ | |
1802 | mb[1] = *ql1280_board_tbl[ha->devnum].fwstart; | |
1803 | qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); | |
1804 | } else | |
1805 | printk(KERN_INFO "qla1280: RISC checksum failed.\n"); | |
1806 | } else { | |
1807 | dprintk(1, "qla1280: NVRAM configured to load RISC load.\n"); | |
1808 | status = 1; | |
1809 | } | |
1810 | ||
1811 | if (status) | |
1812 | dprintk(2, "qla1280_isp_firmware: **** Load RISC code ****\n"); | |
1813 | ||
1814 | LEAVE("qla1280_isp_firmware"); | |
1815 | return status; | |
1816 | } | |
1817 | ||
1818 | /* | |
1819 | * Chip diagnostics | |
1820 | * Test chip for proper operation. | |
1821 | * | |
1822 | * Input: | |
1823 | * ha = adapter block pointer. | |
1824 | * | |
1825 | * Returns: | |
1826 | * 0 = success. | |
1827 | */ | |
1828 | static int | |
1829 | qla1280_chip_diag(struct scsi_qla_host *ha) | |
1830 | { | |
1831 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
1832 | struct device_reg __iomem *reg = ha->iobase; | |
1833 | int status = 0; | |
1834 | int cnt; | |
1835 | uint16_t data; | |
1836 | dprintk(3, "qla1280_chip_diag: testing device at 0x%p \n", ®->id_l); | |
1837 | ||
1838 | dprintk(1, "scsi(%ld): Verifying chip\n", ha->host_no); | |
1839 | ||
1840 | /* Soft reset chip and wait for it to finish. */ | |
1841 | WRT_REG_WORD(®->ictrl, ISP_RESET); | |
1842 | ||
1843 | /* | |
1844 | * We can't do a traditional PCI write flush here by reading | |
1845 | * back the register. The card will not respond once the reset | |
1846 | * is in action and we end up with a machine check exception | |
1847 | * instead. Nothing to do but wait and hope for the best. | |
1848 | * A portable pci_write_flush(pdev) call would be very useful here. | |
1849 | */ | |
1850 | udelay(20); | |
1851 | data = qla1280_debounce_register(®->ictrl); | |
1852 | /* | |
1853 | * Yet another QLogic gem ;-( | |
1854 | */ | |
1855 | for (cnt = 1000000; cnt && data & ISP_RESET; cnt--) { | |
1856 | udelay(5); | |
1857 | data = RD_REG_WORD(®->ictrl); | |
1858 | } | |
1859 | ||
1860 | if (!cnt) | |
1861 | goto fail; | |
1862 | ||
1863 | /* Reset register cleared by chip reset. */ | |
1864 | dprintk(3, "qla1280_chip_diag: reset register cleared by chip reset\n"); | |
1865 | ||
1866 | WRT_REG_WORD(®->cfg_1, 0); | |
1867 | ||
1868 | /* Reset RISC and disable BIOS which | |
1869 | allows RISC to execute out of RAM. */ | |
1870 | WRT_REG_WORD(®->host_cmd, HC_RESET_RISC | | |
1871 | HC_RELEASE_RISC | HC_DISABLE_BIOS); | |
1872 | ||
1873 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
1874 | data = qla1280_debounce_register(®->mailbox0); | |
1875 | ||
1876 | /* | |
1877 | * I *LOVE* this code! | |
1878 | */ | |
1879 | for (cnt = 1000000; cnt && data == MBS_BUSY; cnt--) { | |
1880 | udelay(5); | |
1881 | data = RD_REG_WORD(®->mailbox0); | |
1882 | } | |
1883 | ||
1884 | if (!cnt) | |
1885 | goto fail; | |
1886 | ||
1887 | /* Check product ID of chip */ | |
1888 | dprintk(3, "qla1280_chip_diag: Checking product ID of chip\n"); | |
1889 | ||
1890 | if (RD_REG_WORD(®->mailbox1) != PROD_ID_1 || | |
1891 | (RD_REG_WORD(®->mailbox2) != PROD_ID_2 && | |
1892 | RD_REG_WORD(®->mailbox2) != PROD_ID_2a) || | |
1893 | RD_REG_WORD(®->mailbox3) != PROD_ID_3 || | |
1894 | RD_REG_WORD(®->mailbox4) != PROD_ID_4) { | |
1895 | printk(KERN_INFO "qla1280: Wrong product ID = " | |
1896 | "0x%x,0x%x,0x%x,0x%x\n", | |
1897 | RD_REG_WORD(®->mailbox1), | |
1898 | RD_REG_WORD(®->mailbox2), | |
1899 | RD_REG_WORD(®->mailbox3), | |
1900 | RD_REG_WORD(®->mailbox4)); | |
1901 | goto fail; | |
1902 | } | |
1903 | ||
1904 | /* | |
1905 | * Enable ints early!!! | |
1906 | */ | |
1907 | qla1280_enable_intrs(ha); | |
1908 | ||
1909 | dprintk(1, "qla1280_chip_diag: Checking mailboxes of chip\n"); | |
1910 | /* Wrap Incoming Mailboxes Test. */ | |
1911 | mb[0] = MBC_MAILBOX_REGISTER_TEST; | |
1912 | mb[1] = 0xAAAA; | |
1913 | mb[2] = 0x5555; | |
1914 | mb[3] = 0xAA55; | |
1915 | mb[4] = 0x55AA; | |
1916 | mb[5] = 0xA5A5; | |
1917 | mb[6] = 0x5A5A; | |
1918 | mb[7] = 0x2525; | |
1919 | ||
1920 | status = qla1280_mailbox_command(ha, 0xff, mb); | |
1921 | if (status) | |
1922 | goto fail; | |
1923 | ||
1924 | if (mb[1] != 0xAAAA || mb[2] != 0x5555 || mb[3] != 0xAA55 || | |
1925 | mb[4] != 0x55AA || mb[5] != 0xA5A5 || mb[6] != 0x5A5A || | |
1926 | mb[7] != 0x2525) { | |
1927 | printk(KERN_INFO "qla1280: Failed mbox check\n"); | |
1928 | goto fail; | |
1929 | } | |
1930 | ||
1931 | dprintk(3, "qla1280_chip_diag: exiting normally\n"); | |
1932 | return 0; | |
1933 | fail: | |
1934 | dprintk(2, "qla1280_chip_diag: **** FAILED ****\n"); | |
1935 | return status; | |
1936 | } | |
1937 | ||
1938 | static int | |
1939 | qla1280_load_firmware_pio(struct scsi_qla_host *ha) | |
1940 | { | |
1941 | uint16_t risc_address, *risc_code_address, risc_code_size; | |
1942 | uint16_t mb[MAILBOX_REGISTER_COUNT], i; | |
1943 | int err; | |
1944 | ||
1945 | /* Load RISC code. */ | |
1946 | risc_address = *ql1280_board_tbl[ha->devnum].fwstart; | |
1947 | risc_code_address = ql1280_board_tbl[ha->devnum].fwcode; | |
1948 | risc_code_size = *ql1280_board_tbl[ha->devnum].fwlen; | |
1949 | ||
1950 | for (i = 0; i < risc_code_size; i++) { | |
1951 | mb[0] = MBC_WRITE_RAM_WORD; | |
1952 | mb[1] = risc_address + i; | |
1953 | mb[2] = risc_code_address[i]; | |
1954 | ||
1955 | err = qla1280_mailbox_command(ha, BIT_0 | BIT_1 | BIT_2, mb); | |
1956 | if (err) { | |
1957 | printk(KERN_ERR "scsi(%li): Failed to load firmware\n", | |
1958 | ha->host_no); | |
1959 | return err; | |
1960 | } | |
1961 | } | |
1962 | ||
1963 | return 0; | |
1964 | } | |
1965 | ||
1966 | #define DUMP_IT_BACK 0 /* for debug of RISC loading */ | |
1967 | static int | |
1968 | qla1280_load_firmware_dma(struct scsi_qla_host *ha) | |
1969 | { | |
1970 | uint16_t risc_address, *risc_code_address, risc_code_size; | |
1971 | uint16_t mb[MAILBOX_REGISTER_COUNT], cnt; | |
1972 | int err = 0, num, i; | |
1973 | #if DUMP_IT_BACK | |
1974 | uint8_t *sp, *tbuf; | |
1975 | dma_addr_t p_tbuf; | |
1976 | ||
1977 | tbuf = pci_alloc_consistent(ha->pdev, 8000, &p_tbuf); | |
1978 | if (!tbuf) | |
1979 | return -ENOMEM; | |
1980 | #endif | |
1981 | ||
1982 | /* Load RISC code. */ | |
1983 | risc_address = *ql1280_board_tbl[ha->devnum].fwstart; | |
1984 | risc_code_address = ql1280_board_tbl[ha->devnum].fwcode; | |
1985 | risc_code_size = *ql1280_board_tbl[ha->devnum].fwlen; | |
1986 | ||
1987 | dprintk(1, "%s: DMA RISC code (%i) words\n", | |
1988 | __FUNCTION__, risc_code_size); | |
1989 | ||
1990 | num = 0; | |
1991 | while (risc_code_size > 0) { | |
1992 | int warn __attribute__((unused)) = 0; | |
1993 | ||
1994 | cnt = 2000 >> 1; | |
1995 | ||
1996 | if (cnt > risc_code_size) | |
1997 | cnt = risc_code_size; | |
1998 | ||
1999 | dprintk(2, "qla1280_setup_chip: loading risc @ =(0x%p)," | |
2000 | "%d,%d(0x%x)\n", | |
2001 | risc_code_address, cnt, num, risc_address); | |
2002 | for(i = 0; i < cnt; i++) | |
2003 | ((uint16_t *)ha->request_ring)[i] = | |
2004 | cpu_to_le16(risc_code_address[i]); | |
2005 | ||
2006 | mb[0] = MBC_LOAD_RAM; | |
2007 | mb[1] = risc_address; | |
2008 | mb[4] = cnt; | |
2009 | mb[3] = ha->request_dma & 0xffff; | |
2010 | mb[2] = (ha->request_dma >> 16) & 0xffff; | |
2011 | mb[7] = pci_dma_hi32(ha->request_dma) & 0xffff; | |
2012 | mb[6] = pci_dma_hi32(ha->request_dma) >> 16; | |
2013 | dprintk(2, "%s: op=%d 0x%p = 0x%4x,0x%4x,0x%4x,0x%4x\n", | |
2014 | __FUNCTION__, mb[0], | |
2015 | (void *)(long)ha->request_dma, | |
2016 | mb[6], mb[7], mb[2], mb[3]); | |
2017 | err = qla1280_mailbox_command(ha, BIT_4 | BIT_3 | BIT_2 | | |
2018 | BIT_1 | BIT_0, mb); | |
2019 | if (err) { | |
2020 | printk(KERN_ERR "scsi(%li): Failed to load partial " | |
2021 | "segment of f\n", ha->host_no); | |
2022 | goto out; | |
2023 | } | |
2024 | ||
2025 | #if DUMP_IT_BACK | |
2026 | mb[0] = MBC_DUMP_RAM; | |
2027 | mb[1] = risc_address; | |
2028 | mb[4] = cnt; | |
2029 | mb[3] = p_tbuf & 0xffff; | |
2030 | mb[2] = (p_tbuf >> 16) & 0xffff; | |
2031 | mb[7] = pci_dma_hi32(p_tbuf) & 0xffff; | |
2032 | mb[6] = pci_dma_hi32(p_tbuf) >> 16; | |
2033 | ||
2034 | err = qla1280_mailbox_command(ha, BIT_4 | BIT_3 | BIT_2 | | |
2035 | BIT_1 | BIT_0, mb); | |
2036 | if (err) { | |
2037 | printk(KERN_ERR | |
2038 | "Failed to dump partial segment of f/w\n"); | |
2039 | goto out; | |
2040 | } | |
2041 | sp = (uint8_t *)ha->request_ring; | |
2042 | for (i = 0; i < (cnt << 1); i++) { | |
2043 | if (tbuf[i] != sp[i] && warn++ < 10) { | |
2044 | printk(KERN_ERR "%s: FW compare error @ " | |
2045 | "byte(0x%x) loop#=%x\n", | |
2046 | __FUNCTION__, i, num); | |
2047 | printk(KERN_ERR "%s: FWbyte=%x " | |
2048 | "FWfromChip=%x\n", | |
2049 | __FUNCTION__, sp[i], tbuf[i]); | |
2050 | /*break; */ | |
2051 | } | |
2052 | } | |
2053 | #endif | |
2054 | risc_address += cnt; | |
2055 | risc_code_size = risc_code_size - cnt; | |
2056 | risc_code_address = risc_code_address + cnt; | |
2057 | num++; | |
2058 | } | |
2059 | ||
2060 | out: | |
2061 | #if DUMP_IT_BACK | |
2062 | pci_free_consistent(ha->pdev, 8000, tbuf, p_tbuf); | |
2063 | #endif | |
2064 | return err; | |
2065 | } | |
2066 | ||
2067 | static int | |
2068 | qla1280_start_firmware(struct scsi_qla_host *ha) | |
2069 | { | |
2070 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2071 | int err; | |
2072 | ||
2073 | dprintk(1, "%s: Verifying checksum of loaded RISC code.\n", | |
2074 | __FUNCTION__); | |
2075 | ||
2076 | /* Verify checksum of loaded RISC code. */ | |
2077 | mb[0] = MBC_VERIFY_CHECKSUM; | |
2078 | /* mb[1] = ql12_risc_code_addr01; */ | |
2079 | mb[1] = *ql1280_board_tbl[ha->devnum].fwstart; | |
2080 | err = qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); | |
2081 | if (err) { | |
2082 | printk(KERN_ERR "scsi(%li): Failed checksum\n", ha->host_no); | |
2083 | return err; | |
2084 | } | |
2085 | ||
2086 | /* Start firmware execution. */ | |
2087 | dprintk(1, "%s: start firmware running.\n", __FUNCTION__); | |
2088 | mb[0] = MBC_EXECUTE_FIRMWARE; | |
2089 | mb[1] = *ql1280_board_tbl[ha->devnum].fwstart; | |
2090 | err = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); | |
2091 | if (err) { | |
2092 | printk(KERN_ERR "scsi(%li): Failed to start firmware\n", | |
2093 | ha->host_no); | |
2094 | } | |
2095 | ||
2096 | return err; | |
2097 | } | |
2098 | ||
2099 | static int | |
2100 | qla1280_load_firmware(struct scsi_qla_host *ha) | |
2101 | { | |
2102 | int err = -ENODEV; | |
2103 | ||
2104 | /* If firmware needs to be loaded */ | |
2105 | if (!qla1280_isp_firmware(ha)) { | |
2106 | printk(KERN_ERR "scsi(%li): isp_firmware() failed!\n", | |
2107 | ha->host_no); | |
2108 | goto out; | |
2109 | } | |
2110 | ||
2111 | err = qla1280_chip_diag(ha); | |
2112 | if (err) | |
2113 | goto out; | |
2114 | if (IS_ISP1040(ha)) | |
2115 | err = qla1280_load_firmware_pio(ha); | |
2116 | else | |
2117 | err = qla1280_load_firmware_dma(ha); | |
2118 | if (err) | |
2119 | goto out; | |
2120 | err = qla1280_start_firmware(ha); | |
2121 | out: | |
2122 | return err; | |
2123 | } | |
2124 | ||
2125 | /* | |
2126 | * Initialize rings | |
2127 | * | |
2128 | * Input: | |
2129 | * ha = adapter block pointer. | |
2130 | * ha->request_ring = request ring virtual address | |
2131 | * ha->response_ring = response ring virtual address | |
2132 | * ha->request_dma = request ring physical address | |
2133 | * ha->response_dma = response ring physical address | |
2134 | * | |
2135 | * Returns: | |
2136 | * 0 = success. | |
2137 | */ | |
2138 | static int | |
2139 | qla1280_init_rings(struct scsi_qla_host *ha) | |
2140 | { | |
2141 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2142 | int status = 0; | |
2143 | ||
2144 | ENTER("qla1280_init_rings"); | |
2145 | ||
2146 | /* Clear outstanding commands array. */ | |
2147 | memset(ha->outstanding_cmds, 0, | |
2148 | sizeof(struct srb *) * MAX_OUTSTANDING_COMMANDS); | |
2149 | ||
2150 | /* Initialize request queue. */ | |
2151 | ha->request_ring_ptr = ha->request_ring; | |
2152 | ha->req_ring_index = 0; | |
2153 | ha->req_q_cnt = REQUEST_ENTRY_CNT; | |
2154 | /* mb[0] = MBC_INIT_REQUEST_QUEUE; */ | |
2155 | mb[0] = MBC_INIT_REQUEST_QUEUE_A64; | |
2156 | mb[1] = REQUEST_ENTRY_CNT; | |
2157 | mb[3] = ha->request_dma & 0xffff; | |
2158 | mb[2] = (ha->request_dma >> 16) & 0xffff; | |
2159 | mb[4] = 0; | |
2160 | mb[7] = pci_dma_hi32(ha->request_dma) & 0xffff; | |
2161 | mb[6] = pci_dma_hi32(ha->request_dma) >> 16; | |
2162 | if (!(status = qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_4 | | |
2163 | BIT_3 | BIT_2 | BIT_1 | BIT_0, | |
2164 | &mb[0]))) { | |
2165 | /* Initialize response queue. */ | |
2166 | ha->response_ring_ptr = ha->response_ring; | |
2167 | ha->rsp_ring_index = 0; | |
2168 | /* mb[0] = MBC_INIT_RESPONSE_QUEUE; */ | |
2169 | mb[0] = MBC_INIT_RESPONSE_QUEUE_A64; | |
2170 | mb[1] = RESPONSE_ENTRY_CNT; | |
2171 | mb[3] = ha->response_dma & 0xffff; | |
2172 | mb[2] = (ha->response_dma >> 16) & 0xffff; | |
2173 | mb[5] = 0; | |
2174 | mb[7] = pci_dma_hi32(ha->response_dma) & 0xffff; | |
2175 | mb[6] = pci_dma_hi32(ha->response_dma) >> 16; | |
2176 | status = qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_5 | | |
2177 | BIT_3 | BIT_2 | BIT_1 | BIT_0, | |
2178 | &mb[0]); | |
2179 | } | |
2180 | ||
2181 | if (status) | |
2182 | dprintk(2, "qla1280_init_rings: **** FAILED ****\n"); | |
2183 | ||
2184 | LEAVE("qla1280_init_rings"); | |
2185 | return status; | |
2186 | } | |
2187 | ||
2188 | static void | |
2189 | qla1280_print_settings(struct nvram *nv) | |
2190 | { | |
2191 | dprintk(1, "qla1280 : initiator scsi id bus[0]=%d\n", | |
2192 | nv->bus[0].config_1.initiator_id); | |
2193 | dprintk(1, "qla1280 : initiator scsi id bus[1]=%d\n", | |
2194 | nv->bus[1].config_1.initiator_id); | |
2195 | ||
2196 | dprintk(1, "qla1280 : bus reset delay[0]=%d\n", | |
2197 | nv->bus[0].bus_reset_delay); | |
2198 | dprintk(1, "qla1280 : bus reset delay[1]=%d\n", | |
2199 | nv->bus[1].bus_reset_delay); | |
2200 | ||
2201 | dprintk(1, "qla1280 : retry count[0]=%d\n", nv->bus[0].retry_count); | |
2202 | dprintk(1, "qla1280 : retry delay[0]=%d\n", nv->bus[0].retry_delay); | |
2203 | dprintk(1, "qla1280 : retry count[1]=%d\n", nv->bus[1].retry_count); | |
2204 | dprintk(1, "qla1280 : retry delay[1]=%d\n", nv->bus[1].retry_delay); | |
2205 | ||
2206 | dprintk(1, "qla1280 : async data setup time[0]=%d\n", | |
2207 | nv->bus[0].config_2.async_data_setup_time); | |
2208 | dprintk(1, "qla1280 : async data setup time[1]=%d\n", | |
2209 | nv->bus[1].config_2.async_data_setup_time); | |
2210 | ||
2211 | dprintk(1, "qla1280 : req/ack active negation[0]=%d\n", | |
2212 | nv->bus[0].config_2.req_ack_active_negation); | |
2213 | dprintk(1, "qla1280 : req/ack active negation[1]=%d\n", | |
2214 | nv->bus[1].config_2.req_ack_active_negation); | |
2215 | ||
2216 | dprintk(1, "qla1280 : data line active negation[0]=%d\n", | |
2217 | nv->bus[0].config_2.data_line_active_negation); | |
2218 | dprintk(1, "qla1280 : data line active negation[1]=%d\n", | |
2219 | nv->bus[1].config_2.data_line_active_negation); | |
2220 | ||
2221 | dprintk(1, "qla1280 : disable loading risc code=%d\n", | |
2222 | nv->cntr_flags_1.disable_loading_risc_code); | |
2223 | ||
2224 | dprintk(1, "qla1280 : enable 64bit addressing=%d\n", | |
2225 | nv->cntr_flags_1.enable_64bit_addressing); | |
2226 | ||
2227 | dprintk(1, "qla1280 : selection timeout limit[0]=%d\n", | |
2228 | nv->bus[0].selection_timeout); | |
2229 | dprintk(1, "qla1280 : selection timeout limit[1]=%d\n", | |
2230 | nv->bus[1].selection_timeout); | |
2231 | ||
2232 | dprintk(1, "qla1280 : max queue depth[0]=%d\n", | |
2233 | nv->bus[0].max_queue_depth); | |
2234 | dprintk(1, "qla1280 : max queue depth[1]=%d\n", | |
2235 | nv->bus[1].max_queue_depth); | |
2236 | } | |
2237 | ||
2238 | static void | |
2239 | qla1280_set_target_defaults(struct scsi_qla_host *ha, int bus, int target) | |
2240 | { | |
2241 | struct nvram *nv = &ha->nvram; | |
2242 | ||
2243 | nv->bus[bus].target[target].parameter.f.renegotiate_on_error = 1; | |
2244 | nv->bus[bus].target[target].parameter.f.auto_request_sense = 1; | |
2245 | nv->bus[bus].target[target].parameter.f.tag_queuing = 1; | |
2246 | nv->bus[bus].target[target].parameter.f.enable_sync = 1; | |
2247 | #if 1 /* Some SCSI Processors do not seem to like this */ | |
2248 | nv->bus[bus].target[target].parameter.f.enable_wide = 1; | |
2249 | #endif | |
2250 | nv->bus[bus].target[target].parameter.f.parity_checking = 1; | |
2251 | nv->bus[bus].target[target].parameter.f.disconnect_allowed = 1; | |
2252 | nv->bus[bus].target[target].execution_throttle = | |
2253 | nv->bus[bus].max_queue_depth - 1; | |
2254 | ||
2255 | if (IS_ISP1x160(ha)) { | |
2256 | nv->bus[bus].target[target].flags.flags1x160.device_enable = 1; | |
2257 | nv->bus[bus].target[target].flags.flags1x160.sync_offset = 0x0e; | |
2258 | nv->bus[bus].target[target].sync_period = 9; | |
2259 | nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 1; | |
2260 | nv->bus[bus].target[target].ppr_1x160.flags.ppr_options = 2; | |
2261 | nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width = 1; | |
2262 | } else { | |
2263 | nv->bus[bus].target[target].flags.flags1x80.device_enable = 1; | |
2264 | nv->bus[bus].target[target].flags.flags1x80.sync_offset = 12; | |
2265 | nv->bus[bus].target[target].sync_period = 10; | |
2266 | } | |
2267 | } | |
2268 | ||
2269 | static void | |
2270 | qla1280_set_defaults(struct scsi_qla_host *ha) | |
2271 | { | |
2272 | struct nvram *nv = &ha->nvram; | |
2273 | int bus, target; | |
2274 | ||
2275 | dprintk(1, "Using defaults for NVRAM: \n"); | |
2276 | memset(nv, 0, sizeof(struct nvram)); | |
2277 | ||
2278 | /* nv->cntr_flags_1.disable_loading_risc_code = 1; */ | |
2279 | nv->firmware_feature.f.enable_fast_posting = 1; | |
2280 | nv->firmware_feature.f.disable_synchronous_backoff = 1; | |
2281 | nv->termination.f.scsi_bus_0_control = 3; | |
2282 | nv->termination.f.scsi_bus_1_control = 3; | |
2283 | nv->termination.f.auto_term_support = 1; | |
2284 | ||
2285 | /* | |
2286 | * Set default FIFO magic - What appropriate values would be here | |
2287 | * is unknown. This is what I have found testing with 12160s. | |
2288 | * | |
2289 | * Now, I would love the magic decoder ring for this one, the | |
2290 | * header file provided by QLogic seems to be bogus or incomplete | |
2291 | * at best. | |
2292 | */ | |
2293 | nv->isp_config.c = ISP_CFG1_BENAB|ISP_CFG1_F128; | |
2294 | if (IS_ISP1x160(ha)) | |
2295 | nv->isp_parameter = 0x01; /* fast memory enable */ | |
2296 | ||
2297 | for (bus = 0; bus < MAX_BUSES; bus++) { | |
2298 | nv->bus[bus].config_1.initiator_id = 7; | |
2299 | nv->bus[bus].config_2.req_ack_active_negation = 1; | |
2300 | nv->bus[bus].config_2.data_line_active_negation = 1; | |
2301 | nv->bus[bus].selection_timeout = 250; | |
2302 | nv->bus[bus].max_queue_depth = 256; | |
2303 | ||
2304 | if (IS_ISP1040(ha)) { | |
2305 | nv->bus[bus].bus_reset_delay = 3; | |
2306 | nv->bus[bus].config_2.async_data_setup_time = 6; | |
2307 | nv->bus[bus].retry_delay = 1; | |
2308 | } else { | |
2309 | nv->bus[bus].bus_reset_delay = 5; | |
2310 | nv->bus[bus].config_2.async_data_setup_time = 8; | |
2311 | } | |
2312 | ||
2313 | for (target = 0; target < MAX_TARGETS; target++) | |
2314 | qla1280_set_target_defaults(ha, bus, target); | |
2315 | } | |
2316 | } | |
2317 | ||
2318 | static int | |
2319 | qla1280_config_target(struct scsi_qla_host *ha, int bus, int target) | |
2320 | { | |
2321 | struct nvram *nv = &ha->nvram; | |
2322 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2323 | int status, lun; | |
2324 | ||
2325 | /* Set Target Parameters. */ | |
2326 | mb[0] = MBC_SET_TARGET_PARAMETERS; | |
2327 | mb[1] = (uint16_t) (bus ? target | BIT_7 : target); | |
2328 | mb[1] <<= 8; | |
2329 | ||
2330 | /* | |
2331 | * Do not enable wide, sync, and ppr for the initial | |
2332 | * INQUIRY run. We enable this later if we determine | |
2333 | * the target actually supports it. | |
2334 | */ | |
2335 | nv->bus[bus].target[target].parameter.f. | |
2336 | auto_request_sense = 1; | |
2337 | nv->bus[bus].target[target].parameter.f. | |
2338 | stop_queue_on_check = 0; | |
2339 | ||
2340 | if (IS_ISP1x160(ha)) | |
2341 | nv->bus[bus].target[target].ppr_1x160. | |
2342 | flags.enable_ppr = 0; | |
2343 | ||
2344 | /* | |
2345 | * No sync, wide, etc. while probing | |
2346 | */ | |
2347 | mb[2] = (nv->bus[bus].target[target].parameter.c << 8) & | |
2348 | ~(TP_SYNC /*| TP_WIDE | TP_PPR*/); | |
2349 | ||
2350 | if (IS_ISP1x160(ha)) | |
2351 | mb[3] = nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8; | |
2352 | else | |
2353 | mb[3] = nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8; | |
2354 | mb[3] |= nv->bus[bus].target[target].sync_period; | |
2355 | ||
2356 | status = qla1280_mailbox_command(ha, BIT_3 | BIT_2 | BIT_1 | BIT_0, &mb[0]); | |
2357 | ||
2358 | /* Save Tag queuing enable flag. */ | |
2359 | mb[0] = BIT_0 << target; | |
2360 | if (nv->bus[bus].target[target].parameter.f.tag_queuing) | |
2361 | ha->bus_settings[bus].qtag_enables |= mb[0]; | |
2362 | ||
2363 | /* Save Device enable flag. */ | |
2364 | if (IS_ISP1x160(ha)) { | |
2365 | if (nv->bus[bus].target[target].flags.flags1x160.device_enable) | |
2366 | ha->bus_settings[bus].device_enables |= mb[0]; | |
2367 | ha->bus_settings[bus].lun_disables |= 0; | |
2368 | } else { | |
2369 | if (nv->bus[bus].target[target].flags.flags1x80.device_enable) | |
2370 | ha->bus_settings[bus].device_enables |= mb[0]; | |
2371 | /* Save LUN disable flag. */ | |
2372 | if (nv->bus[bus].target[target].flags.flags1x80.lun_disable) | |
2373 | ha->bus_settings[bus].lun_disables |= mb[0]; | |
2374 | } | |
2375 | ||
2376 | /* Set Device Queue Parameters. */ | |
2377 | for (lun = 0; lun < MAX_LUNS; lun++) { | |
2378 | mb[0] = MBC_SET_DEVICE_QUEUE; | |
2379 | mb[1] = (uint16_t)(bus ? target | BIT_7 : target); | |
2380 | mb[1] = mb[1] << 8 | lun; | |
2381 | mb[2] = nv->bus[bus].max_queue_depth; | |
2382 | mb[3] = nv->bus[bus].target[target].execution_throttle; | |
2383 | status |= qla1280_mailbox_command(ha, 0x0f, &mb[0]); | |
2384 | } | |
2385 | ||
2386 | return status; | |
2387 | } | |
2388 | ||
2389 | static int | |
2390 | qla1280_config_bus(struct scsi_qla_host *ha, int bus) | |
2391 | { | |
2392 | struct nvram *nv = &ha->nvram; | |
2393 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2394 | int target, status; | |
2395 | ||
2396 | /* SCSI Reset Disable. */ | |
2397 | ha->bus_settings[bus].disable_scsi_reset = | |
2398 | nv->bus[bus].config_1.scsi_reset_disable; | |
2399 | ||
2400 | /* Initiator ID. */ | |
2401 | ha->bus_settings[bus].id = nv->bus[bus].config_1.initiator_id; | |
2402 | mb[0] = MBC_SET_INITIATOR_ID; | |
2403 | mb[1] = bus ? ha->bus_settings[bus].id | BIT_7 : | |
2404 | ha->bus_settings[bus].id; | |
2405 | status = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); | |
2406 | ||
2407 | /* Reset Delay. */ | |
2408 | ha->bus_settings[bus].bus_reset_delay = | |
2409 | nv->bus[bus].bus_reset_delay; | |
2410 | ||
2411 | /* Command queue depth per device. */ | |
2412 | ha->bus_settings[bus].hiwat = nv->bus[bus].max_queue_depth - 1; | |
2413 | ||
2414 | /* Set target parameters. */ | |
2415 | for (target = 0; target < MAX_TARGETS; target++) | |
2416 | status |= qla1280_config_target(ha, bus, target); | |
2417 | ||
2418 | return status; | |
2419 | } | |
2420 | ||
2421 | static int | |
2422 | qla1280_nvram_config(struct scsi_qla_host *ha) | |
2423 | { | |
2424 | struct device_reg __iomem *reg = ha->iobase; | |
2425 | struct nvram *nv = &ha->nvram; | |
2426 | int bus, target, status = 0; | |
2427 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2428 | uint16_t mask; | |
2429 | ||
2430 | ENTER("qla1280_nvram_config"); | |
2431 | ||
2432 | if (ha->nvram_valid) { | |
2433 | /* Always force AUTO sense for LINUX SCSI */ | |
2434 | for (bus = 0; bus < MAX_BUSES; bus++) | |
2435 | for (target = 0; target < MAX_TARGETS; target++) { | |
2436 | nv->bus[bus].target[target].parameter.f. | |
2437 | auto_request_sense = 1; | |
2438 | } | |
2439 | } else { | |
2440 | qla1280_set_defaults(ha); | |
2441 | } | |
2442 | ||
2443 | qla1280_print_settings(nv); | |
2444 | ||
2445 | /* Disable RISC load of firmware. */ | |
2446 | ha->flags.disable_risc_code_load = | |
2447 | nv->cntr_flags_1.disable_loading_risc_code; | |
2448 | ||
2449 | if (IS_ISP1040(ha)) { | |
2450 | uint16_t hwrev, cfg1, cdma_conf, ddma_conf; | |
2451 | ||
2452 | hwrev = RD_REG_WORD(®->cfg_0) & ISP_CFG0_HWMSK; | |
2453 | ||
2454 | cfg1 = RD_REG_WORD(®->cfg_1); | |
2455 | cdma_conf = RD_REG_WORD(®->cdma_cfg); | |
2456 | ddma_conf = RD_REG_WORD(®->ddma_cfg); | |
2457 | ||
2458 | /* Busted fifo, says mjacob. */ | |
2459 | if (hwrev == ISP_CFG0_1040A) | |
2460 | WRT_REG_WORD(®->cfg_1, cfg1 | ISP_CFG1_F64); | |
2461 | else | |
2462 | WRT_REG_WORD(®->cfg_1, cfg1 | ISP_CFG1_F64 | ISP_CFG1_BENAB); | |
2463 | ||
2464 | WRT_REG_WORD(®->cdma_cfg, cdma_conf | CDMA_CONF_BENAB); | |
2465 | WRT_REG_WORD(®->ddma_cfg, cdma_conf | DDMA_CONF_BENAB); | |
2466 | } else { | |
2467 | /* Set ISP hardware DMA burst */ | |
2468 | mb[0] = nv->isp_config.c; | |
2469 | /* Enable DMA arbitration on dual channel controllers */ | |
2470 | if (ha->ports > 1) | |
2471 | mb[0] |= BIT_13; | |
2472 | WRT_REG_WORD(®->cfg_1, mb[0]); | |
2473 | ||
2474 | /* Set SCSI termination. */ | |
2475 | WRT_REG_WORD(®->gpio_enable, (BIT_3 + BIT_2 + BIT_1 + BIT_0)); | |
2476 | mb[0] = nv->termination.c & (BIT_3 + BIT_2 + BIT_1 + BIT_0); | |
2477 | WRT_REG_WORD(®->gpio_data, mb[0]); | |
2478 | } | |
2479 | ||
2480 | /* ISP parameter word. */ | |
2481 | mb[0] = MBC_SET_SYSTEM_PARAMETER; | |
2482 | mb[1] = nv->isp_parameter; | |
2483 | status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); | |
2484 | ||
2485 | if (IS_ISP1x40(ha)) { | |
2486 | /* clock rate - for qla1240 and older, only */ | |
2487 | mb[0] = MBC_SET_CLOCK_RATE; | |
2488 | mb[1] = 40; | |
2489 | status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); | |
2490 | } | |
2491 | ||
2492 | /* Firmware feature word. */ | |
2493 | mb[0] = MBC_SET_FIRMWARE_FEATURES; | |
2494 | mask = BIT_5 | BIT_1 | BIT_0; | |
2495 | mb[1] = le16_to_cpu(nv->firmware_feature.w) & (mask); | |
2496 | #if defined(CONFIG_IA64_GENERIC) || defined (CONFIG_IA64_SGI_SN2) | |
2497 | if (ia64_platform_is("sn2")) { | |
2498 | printk(KERN_INFO "scsi(%li): Enabling SN2 PCI DMA " | |
2499 | "workaround\n", ha->host_no); | |
2500 | mb[1] |= BIT_9; | |
2501 | } | |
2502 | #endif | |
2503 | status |= qla1280_mailbox_command(ha, mask, &mb[0]); | |
2504 | ||
2505 | /* Retry count and delay. */ | |
2506 | mb[0] = MBC_SET_RETRY_COUNT; | |
2507 | mb[1] = nv->bus[0].retry_count; | |
2508 | mb[2] = nv->bus[0].retry_delay; | |
2509 | mb[6] = nv->bus[1].retry_count; | |
2510 | mb[7] = nv->bus[1].retry_delay; | |
2511 | status |= qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_2 | | |
2512 | BIT_1 | BIT_0, &mb[0]); | |
2513 | ||
2514 | /* ASYNC data setup time. */ | |
2515 | mb[0] = MBC_SET_ASYNC_DATA_SETUP; | |
2516 | mb[1] = nv->bus[0].config_2.async_data_setup_time; | |
2517 | mb[2] = nv->bus[1].config_2.async_data_setup_time; | |
2518 | status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); | |
2519 | ||
2520 | /* Active negation states. */ | |
2521 | mb[0] = MBC_SET_ACTIVE_NEGATION; | |
2522 | mb[1] = 0; | |
2523 | if (nv->bus[0].config_2.req_ack_active_negation) | |
2524 | mb[1] |= BIT_5; | |
2525 | if (nv->bus[0].config_2.data_line_active_negation) | |
2526 | mb[1] |= BIT_4; | |
2527 | mb[2] = 0; | |
2528 | if (nv->bus[1].config_2.req_ack_active_negation) | |
2529 | mb[2] |= BIT_5; | |
2530 | if (nv->bus[1].config_2.data_line_active_negation) | |
2531 | mb[2] |= BIT_4; | |
2532 | status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); | |
2533 | ||
2534 | mb[0] = MBC_SET_DATA_OVERRUN_RECOVERY; | |
2535 | mb[1] = 2; /* Reset SCSI bus and return all outstanding IO */ | |
2536 | status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); | |
2537 | ||
2538 | /* thingy */ | |
2539 | mb[0] = MBC_SET_PCI_CONTROL; | |
2540 | mb[1] = 2; /* Data DMA Channel Burst Enable */ | |
2541 | mb[2] = 2; /* Command DMA Channel Burst Enable */ | |
2542 | status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); | |
2543 | ||
2544 | mb[0] = MBC_SET_TAG_AGE_LIMIT; | |
2545 | mb[1] = 8; | |
2546 | status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); | |
2547 | ||
2548 | /* Selection timeout. */ | |
2549 | mb[0] = MBC_SET_SELECTION_TIMEOUT; | |
2550 | mb[1] = nv->bus[0].selection_timeout; | |
2551 | mb[2] = nv->bus[1].selection_timeout; | |
2552 | status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); | |
2553 | ||
2554 | for (bus = 0; bus < ha->ports; bus++) | |
2555 | status |= qla1280_config_bus(ha, bus); | |
2556 | ||
2557 | if (status) | |
2558 | dprintk(2, "qla1280_nvram_config: **** FAILED ****\n"); | |
2559 | ||
2560 | LEAVE("qla1280_nvram_config"); | |
2561 | return status; | |
2562 | } | |
2563 | ||
2564 | /* | |
2565 | * Get NVRAM data word | |
2566 | * Calculates word position in NVRAM and calls request routine to | |
2567 | * get the word from NVRAM. | |
2568 | * | |
2569 | * Input: | |
2570 | * ha = adapter block pointer. | |
2571 | * address = NVRAM word address. | |
2572 | * | |
2573 | * Returns: | |
2574 | * data word. | |
2575 | */ | |
2576 | static uint16_t | |
2577 | qla1280_get_nvram_word(struct scsi_qla_host *ha, uint32_t address) | |
2578 | { | |
2579 | uint32_t nv_cmd; | |
2580 | uint16_t data; | |
2581 | ||
2582 | nv_cmd = address << 16; | |
2583 | nv_cmd |= NV_READ_OP; | |
2584 | ||
2585 | data = le16_to_cpu(qla1280_nvram_request(ha, nv_cmd)); | |
2586 | ||
2587 | dprintk(8, "qla1280_get_nvram_word: exiting normally NVRAM data = " | |
2588 | "0x%x", data); | |
2589 | ||
2590 | return data; | |
2591 | } | |
2592 | ||
2593 | /* | |
2594 | * NVRAM request | |
2595 | * Sends read command to NVRAM and gets data from NVRAM. | |
2596 | * | |
2597 | * Input: | |
2598 | * ha = adapter block pointer. | |
2599 | * nv_cmd = Bit 26 = start bit | |
2600 | * Bit 25, 24 = opcode | |
2601 | * Bit 23-16 = address | |
2602 | * Bit 15-0 = write data | |
2603 | * | |
2604 | * Returns: | |
2605 | * data word. | |
2606 | */ | |
2607 | static uint16_t | |
2608 | qla1280_nvram_request(struct scsi_qla_host *ha, uint32_t nv_cmd) | |
2609 | { | |
2610 | struct device_reg __iomem *reg = ha->iobase; | |
2611 | int cnt; | |
2612 | uint16_t data = 0; | |
2613 | uint16_t reg_data; | |
2614 | ||
2615 | /* Send command to NVRAM. */ | |
2616 | ||
2617 | nv_cmd <<= 5; | |
2618 | for (cnt = 0; cnt < 11; cnt++) { | |
2619 | if (nv_cmd & BIT_31) | |
2620 | qla1280_nv_write(ha, NV_DATA_OUT); | |
2621 | else | |
2622 | qla1280_nv_write(ha, 0); | |
2623 | nv_cmd <<= 1; | |
2624 | } | |
2625 | ||
2626 | /* Read data from NVRAM. */ | |
2627 | ||
2628 | for (cnt = 0; cnt < 16; cnt++) { | |
2629 | WRT_REG_WORD(®->nvram, (NV_SELECT | NV_CLOCK)); | |
2630 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
2631 | NVRAM_DELAY(); | |
2632 | data <<= 1; | |
2633 | reg_data = RD_REG_WORD(®->nvram); | |
2634 | if (reg_data & NV_DATA_IN) | |
2635 | data |= BIT_0; | |
2636 | WRT_REG_WORD(®->nvram, NV_SELECT); | |
2637 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
2638 | NVRAM_DELAY(); | |
2639 | } | |
2640 | ||
2641 | /* Deselect chip. */ | |
2642 | ||
2643 | WRT_REG_WORD(®->nvram, NV_DESELECT); | |
2644 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
2645 | NVRAM_DELAY(); | |
2646 | ||
2647 | return data; | |
2648 | } | |
2649 | ||
2650 | static void | |
2651 | qla1280_nv_write(struct scsi_qla_host *ha, uint16_t data) | |
2652 | { | |
2653 | struct device_reg __iomem *reg = ha->iobase; | |
2654 | ||
2655 | WRT_REG_WORD(®->nvram, data | NV_SELECT); | |
2656 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
2657 | NVRAM_DELAY(); | |
2658 | WRT_REG_WORD(®->nvram, data | NV_SELECT | NV_CLOCK); | |
2659 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
2660 | NVRAM_DELAY(); | |
2661 | WRT_REG_WORD(®->nvram, data | NV_SELECT); | |
2662 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
2663 | NVRAM_DELAY(); | |
2664 | } | |
2665 | ||
2666 | /* | |
2667 | * Mailbox Command | |
2668 | * Issue mailbox command and waits for completion. | |
2669 | * | |
2670 | * Input: | |
2671 | * ha = adapter block pointer. | |
2672 | * mr = mailbox registers to load. | |
2673 | * mb = data pointer for mailbox registers. | |
2674 | * | |
2675 | * Output: | |
2676 | * mb[MAILBOX_REGISTER_COUNT] = returned mailbox data. | |
2677 | * | |
2678 | * Returns: | |
2679 | * 0 = success | |
2680 | */ | |
2681 | static int | |
2682 | qla1280_mailbox_command(struct scsi_qla_host *ha, uint8_t mr, uint16_t *mb) | |
2683 | { | |
2684 | struct device_reg __iomem *reg = ha->iobase; | |
2685 | #if 0 | |
2686 | LIST_HEAD(done_q); | |
2687 | #endif | |
2688 | int status = 0; | |
2689 | int cnt; | |
2690 | uint16_t *optr, *iptr; | |
2691 | uint16_t __iomem *mptr; | |
2692 | uint16_t data; | |
2693 | DECLARE_COMPLETION(wait); | |
2694 | struct timer_list timer; | |
2695 | ||
2696 | ENTER("qla1280_mailbox_command"); | |
2697 | ||
2698 | if (ha->mailbox_wait) { | |
2699 | printk(KERN_ERR "Warning mailbox wait already in use!\n"); | |
2700 | } | |
2701 | ha->mailbox_wait = &wait; | |
2702 | ||
2703 | /* | |
2704 | * We really should start out by verifying that the mailbox is | |
2705 | * available before starting sending the command data | |
2706 | */ | |
2707 | /* Load mailbox registers. */ | |
2708 | mptr = (uint16_t __iomem *) ®->mailbox0; | |
2709 | iptr = mb; | |
2710 | for (cnt = 0; cnt < MAILBOX_REGISTER_COUNT; cnt++) { | |
2711 | if (mr & BIT_0) { | |
2712 | WRT_REG_WORD(mptr, (*iptr)); | |
2713 | } | |
2714 | ||
2715 | mr >>= 1; | |
2716 | mptr++; | |
2717 | iptr++; | |
2718 | } | |
2719 | ||
2720 | /* Issue set host interrupt command. */ | |
2721 | ||
2722 | /* set up a timer just in case we're really jammed */ | |
2723 | init_timer(&timer); | |
2724 | timer.expires = jiffies + 20*HZ; | |
2725 | timer.data = (unsigned long)ha; | |
2726 | timer.function = qla1280_mailbox_timeout; | |
2727 | add_timer(&timer); | |
2728 | ||
2729 | spin_unlock_irq(HOST_LOCK); | |
2730 | WRT_REG_WORD(®->host_cmd, HC_SET_HOST_INT); | |
2731 | data = qla1280_debounce_register(®->istatus); | |
2732 | ||
2733 | wait_for_completion(&wait); | |
2734 | del_timer_sync(&timer); | |
2735 | ||
2736 | spin_lock_irq(HOST_LOCK); | |
2737 | ||
2738 | ha->mailbox_wait = NULL; | |
2739 | ||
2740 | /* Check for mailbox command timeout. */ | |
2741 | if (ha->mailbox_out[0] != MBS_CMD_CMP) { | |
2742 | printk(KERN_WARNING "qla1280_mailbox_command: Command failed, " | |
2743 | "mailbox0 = 0x%04x, mailbox_out0 = 0x%04x, istatus = " | |
2744 | "0x%04x\n", | |
2745 | mb[0], ha->mailbox_out[0], RD_REG_WORD(®->istatus)); | |
2746 | printk(KERN_WARNING "m0 %04x, m1 %04x, m2 %04x, m3 %04x\n", | |
2747 | RD_REG_WORD(®->mailbox0), RD_REG_WORD(®->mailbox1), | |
2748 | RD_REG_WORD(®->mailbox2), RD_REG_WORD(®->mailbox3)); | |
2749 | printk(KERN_WARNING "m4 %04x, m5 %04x, m6 %04x, m7 %04x\n", | |
2750 | RD_REG_WORD(®->mailbox4), RD_REG_WORD(®->mailbox5), | |
2751 | RD_REG_WORD(®->mailbox6), RD_REG_WORD(®->mailbox7)); | |
2752 | status = 1; | |
2753 | } | |
2754 | ||
2755 | /* Load return mailbox registers. */ | |
2756 | optr = mb; | |
2757 | iptr = (uint16_t *) &ha->mailbox_out[0]; | |
2758 | mr = MAILBOX_REGISTER_COUNT; | |
2759 | memcpy(optr, iptr, MAILBOX_REGISTER_COUNT * sizeof(uint16_t)); | |
2760 | ||
2761 | #if 0 | |
2762 | /* Go check for any response interrupts pending. */ | |
2763 | qla1280_isr(ha, &done_q); | |
2764 | #endif | |
2765 | ||
2766 | if (ha->flags.reset_marker) | |
2767 | qla1280_rst_aen(ha); | |
2768 | ||
2769 | #if 0 | |
2770 | if (!list_empty(&done_q)) | |
2771 | qla1280_done(ha, &done_q); | |
2772 | #endif | |
2773 | ||
2774 | if (status) | |
2775 | dprintk(2, "qla1280_mailbox_command: **** FAILED, mailbox0 = " | |
2776 | "0x%x ****\n", mb[0]); | |
2777 | ||
2778 | LEAVE("qla1280_mailbox_command"); | |
2779 | return status; | |
2780 | } | |
2781 | ||
2782 | /* | |
2783 | * qla1280_poll | |
2784 | * Polls ISP for interrupts. | |
2785 | * | |
2786 | * Input: | |
2787 | * ha = adapter block pointer. | |
2788 | */ | |
2789 | static void | |
2790 | qla1280_poll(struct scsi_qla_host *ha) | |
2791 | { | |
2792 | struct device_reg __iomem *reg = ha->iobase; | |
2793 | uint16_t data; | |
2794 | LIST_HEAD(done_q); | |
2795 | ||
2796 | /* ENTER("qla1280_poll"); */ | |
2797 | ||
2798 | /* Check for pending interrupts. */ | |
2799 | data = RD_REG_WORD(®->istatus); | |
2800 | if (data & RISC_INT) | |
2801 | qla1280_isr(ha, &done_q); | |
2802 | ||
2803 | if (!ha->mailbox_wait) { | |
2804 | if (ha->flags.reset_marker) | |
2805 | qla1280_rst_aen(ha); | |
2806 | } | |
2807 | ||
2808 | if (!list_empty(&done_q)) | |
2809 | qla1280_done(ha); | |
2810 | ||
2811 | /* LEAVE("qla1280_poll"); */ | |
2812 | } | |
2813 | ||
2814 | /* | |
2815 | * qla1280_bus_reset | |
2816 | * Issue SCSI bus reset. | |
2817 | * | |
2818 | * Input: | |
2819 | * ha = adapter block pointer. | |
2820 | * bus = SCSI bus number. | |
2821 | * | |
2822 | * Returns: | |
2823 | * 0 = success | |
2824 | */ | |
2825 | static int | |
2826 | qla1280_bus_reset(struct scsi_qla_host *ha, int bus) | |
2827 | { | |
2828 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2829 | uint16_t reset_delay; | |
2830 | int status; | |
2831 | ||
2832 | dprintk(3, "qla1280_bus_reset: entered\n"); | |
2833 | ||
2834 | if (qla1280_verbose) | |
2835 | printk(KERN_INFO "scsi(%li:%i): Resetting SCSI BUS\n", | |
2836 | ha->host_no, bus); | |
2837 | ||
2838 | reset_delay = ha->bus_settings[bus].bus_reset_delay; | |
2839 | mb[0] = MBC_BUS_RESET; | |
2840 | mb[1] = reset_delay; | |
2841 | mb[2] = (uint16_t) bus; | |
2842 | status = qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); | |
2843 | ||
2844 | if (status) { | |
2845 | if (ha->bus_settings[bus].failed_reset_count > 2) | |
2846 | ha->bus_settings[bus].scsi_bus_dead = 1; | |
2847 | ha->bus_settings[bus].failed_reset_count++; | |
2848 | } else { | |
2849 | spin_unlock_irq(HOST_LOCK); | |
2850 | schedule_timeout(reset_delay * HZ); | |
2851 | spin_lock_irq(HOST_LOCK); | |
2852 | ||
2853 | ha->bus_settings[bus].scsi_bus_dead = 0; | |
2854 | ha->bus_settings[bus].failed_reset_count = 0; | |
2855 | ha->bus_settings[bus].reset_marker = 0; | |
2856 | /* Issue marker command. */ | |
2857 | qla1280_marker(ha, bus, 0, 0, MK_SYNC_ALL); | |
2858 | } | |
2859 | ||
2860 | /* | |
2861 | * We should probably call qla1280_set_target_parameters() | |
2862 | * here as well for all devices on the bus. | |
2863 | */ | |
2864 | ||
2865 | if (status) | |
2866 | dprintk(2, "qla1280_bus_reset: **** FAILED ****\n"); | |
2867 | else | |
2868 | dprintk(3, "qla1280_bus_reset: exiting normally\n"); | |
2869 | ||
2870 | return status; | |
2871 | } | |
2872 | ||
2873 | /* | |
2874 | * qla1280_device_reset | |
2875 | * Issue bus device reset message to the target. | |
2876 | * | |
2877 | * Input: | |
2878 | * ha = adapter block pointer. | |
2879 | * bus = SCSI BUS number. | |
2880 | * target = SCSI ID. | |
2881 | * | |
2882 | * Returns: | |
2883 | * 0 = success | |
2884 | */ | |
2885 | static int | |
2886 | qla1280_device_reset(struct scsi_qla_host *ha, int bus, int target) | |
2887 | { | |
2888 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2889 | int status; | |
2890 | ||
2891 | ENTER("qla1280_device_reset"); | |
2892 | ||
2893 | mb[0] = MBC_ABORT_TARGET; | |
2894 | mb[1] = (bus ? (target | BIT_7) : target) << 8; | |
2895 | mb[2] = 1; | |
2896 | status = qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); | |
2897 | ||
2898 | /* Issue marker command. */ | |
2899 | qla1280_marker(ha, bus, target, 0, MK_SYNC_ID); | |
2900 | ||
2901 | if (status) | |
2902 | dprintk(2, "qla1280_device_reset: **** FAILED ****\n"); | |
2903 | ||
2904 | LEAVE("qla1280_device_reset"); | |
2905 | return status; | |
2906 | } | |
2907 | ||
2908 | /* | |
2909 | * qla1280_abort_device | |
2910 | * Issue an abort message to the device | |
2911 | * | |
2912 | * Input: | |
2913 | * ha = adapter block pointer. | |
2914 | * bus = SCSI BUS. | |
2915 | * target = SCSI ID. | |
2916 | * lun = SCSI LUN. | |
2917 | * | |
2918 | * Returns: | |
2919 | * 0 = success | |
2920 | */ | |
2921 | static int | |
2922 | qla1280_abort_device(struct scsi_qla_host *ha, int bus, int target, int lun) | |
2923 | { | |
2924 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2925 | int status; | |
2926 | ||
2927 | ENTER("qla1280_abort_device"); | |
2928 | ||
2929 | mb[0] = MBC_ABORT_DEVICE; | |
2930 | mb[1] = (bus ? target | BIT_7 : target) << 8 | lun; | |
2931 | status = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); | |
2932 | ||
2933 | /* Issue marker command. */ | |
2934 | qla1280_marker(ha, bus, target, lun, MK_SYNC_ID_LUN); | |
2935 | ||
2936 | if (status) | |
2937 | dprintk(2, "qla1280_abort_device: **** FAILED ****\n"); | |
2938 | ||
2939 | LEAVE("qla1280_abort_device"); | |
2940 | return status; | |
2941 | } | |
2942 | ||
2943 | /* | |
2944 | * qla1280_abort_command | |
2945 | * Abort command aborts a specified IOCB. | |
2946 | * | |
2947 | * Input: | |
2948 | * ha = adapter block pointer. | |
2949 | * sp = SB structure pointer. | |
2950 | * | |
2951 | * Returns: | |
2952 | * 0 = success | |
2953 | */ | |
2954 | static int | |
2955 | qla1280_abort_command(struct scsi_qla_host *ha, struct srb * sp, int handle) | |
2956 | { | |
2957 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2958 | unsigned int bus, target, lun; | |
2959 | int status; | |
2960 | ||
2961 | ENTER("qla1280_abort_command"); | |
2962 | ||
2963 | bus = SCSI_BUS_32(sp->cmd); | |
2964 | target = SCSI_TCN_32(sp->cmd); | |
2965 | lun = SCSI_LUN_32(sp->cmd); | |
2966 | ||
2967 | sp->flags |= SRB_ABORT_PENDING; | |
2968 | ||
2969 | mb[0] = MBC_ABORT_COMMAND; | |
2970 | mb[1] = (bus ? target | BIT_7 : target) << 8 | lun; | |
2971 | mb[2] = handle >> 16; | |
2972 | mb[3] = handle & 0xffff; | |
2973 | status = qla1280_mailbox_command(ha, 0x0f, &mb[0]); | |
2974 | ||
2975 | if (status) { | |
2976 | dprintk(2, "qla1280_abort_command: **** FAILED ****\n"); | |
2977 | sp->flags &= ~SRB_ABORT_PENDING; | |
2978 | } | |
2979 | ||
2980 | ||
2981 | LEAVE("qla1280_abort_command"); | |
2982 | return status; | |
2983 | } | |
2984 | ||
2985 | /* | |
2986 | * qla1280_reset_adapter | |
2987 | * Reset adapter. | |
2988 | * | |
2989 | * Input: | |
2990 | * ha = adapter block pointer. | |
2991 | */ | |
2992 | static void | |
2993 | qla1280_reset_adapter(struct scsi_qla_host *ha) | |
2994 | { | |
2995 | struct device_reg __iomem *reg = ha->iobase; | |
2996 | ||
2997 | ENTER("qla1280_reset_adapter"); | |
2998 | ||
2999 | /* Disable ISP chip */ | |
3000 | ha->flags.online = 0; | |
3001 | WRT_REG_WORD(®->ictrl, ISP_RESET); | |
3002 | WRT_REG_WORD(®->host_cmd, | |
3003 | HC_RESET_RISC | HC_RELEASE_RISC | HC_DISABLE_BIOS); | |
3004 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
3005 | ||
3006 | LEAVE("qla1280_reset_adapter"); | |
3007 | } | |
3008 | ||
3009 | /* | |
3010 | * Issue marker command. | |
3011 | * Function issues marker IOCB. | |
3012 | * | |
3013 | * Input: | |
3014 | * ha = adapter block pointer. | |
3015 | * bus = SCSI BUS number | |
3016 | * id = SCSI ID | |
3017 | * lun = SCSI LUN | |
3018 | * type = marker modifier | |
3019 | */ | |
3020 | static void | |
3021 | qla1280_marker(struct scsi_qla_host *ha, int bus, int id, int lun, u8 type) | |
3022 | { | |
3023 | struct mrk_entry *pkt; | |
3024 | ||
3025 | ENTER("qla1280_marker"); | |
3026 | ||
3027 | /* Get request packet. */ | |
3028 | if ((pkt = (struct mrk_entry *) qla1280_req_pkt(ha))) { | |
3029 | pkt->entry_type = MARKER_TYPE; | |
3030 | pkt->lun = (uint8_t) lun; | |
3031 | pkt->target = (uint8_t) (bus ? (id | BIT_7) : id); | |
3032 | pkt->modifier = type; | |
3033 | pkt->entry_status = 0; | |
3034 | ||
3035 | /* Issue command to ISP */ | |
3036 | qla1280_isp_cmd(ha); | |
3037 | } | |
3038 | ||
3039 | LEAVE("qla1280_marker"); | |
3040 | } | |
3041 | ||
3042 | ||
3043 | /* | |
3044 | * qla1280_64bit_start_scsi | |
3045 | * The start SCSI is responsible for building request packets on | |
3046 | * request ring and modifying ISP input pointer. | |
3047 | * | |
3048 | * Input: | |
3049 | * ha = adapter block pointer. | |
3050 | * sp = SB structure pointer. | |
3051 | * | |
3052 | * Returns: | |
3053 | * 0 = success, was able to issue command. | |
3054 | */ | |
3055 | #ifdef QLA_64BIT_PTR | |
3056 | static int | |
3057 | qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp) | |
3058 | { | |
3059 | struct device_reg __iomem *reg = ha->iobase; | |
3060 | struct scsi_cmnd *cmd = sp->cmd; | |
3061 | cmd_a64_entry_t *pkt; | |
3062 | struct scatterlist *sg = NULL; | |
3063 | u32 *dword_ptr; | |
3064 | dma_addr_t dma_handle; | |
3065 | int status = 0; | |
3066 | int cnt; | |
3067 | int req_cnt; | |
3068 | u16 seg_cnt; | |
3069 | u8 dir; | |
3070 | ||
3071 | ENTER("qla1280_64bit_start_scsi:"); | |
3072 | ||
3073 | /* Calculate number of entries and segments required. */ | |
3074 | req_cnt = 1; | |
3075 | if (cmd->use_sg) { | |
3076 | sg = (struct scatterlist *) cmd->request_buffer; | |
3077 | seg_cnt = pci_map_sg(ha->pdev, sg, cmd->use_sg, | |
3078 | cmd->sc_data_direction); | |
3079 | ||
3080 | if (seg_cnt > 2) { | |
3081 | req_cnt += (seg_cnt - 2) / 5; | |
3082 | if ((seg_cnt - 2) % 5) | |
3083 | req_cnt++; | |
3084 | } | |
3085 | } else if (cmd->request_bufflen) { /* If data transfer. */ | |
3086 | seg_cnt = 1; | |
3087 | } else { | |
3088 | seg_cnt = 0; | |
3089 | } | |
3090 | ||
3091 | if ((req_cnt + 2) >= ha->req_q_cnt) { | |
3092 | /* Calculate number of free request entries. */ | |
3093 | cnt = RD_REG_WORD(®->mailbox4); | |
3094 | if (ha->req_ring_index < cnt) | |
3095 | ha->req_q_cnt = cnt - ha->req_ring_index; | |
3096 | else | |
3097 | ha->req_q_cnt = | |
3098 | REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt); | |
3099 | } | |
3100 | ||
3101 | /* If room for request in request ring. */ | |
3102 | if ((req_cnt + 2) >= ha->req_q_cnt) { | |
3103 | status = 1; | |
3104 | dprintk(2, "qla1280_64bit_start_scsi: in-ptr=0x%x req_q_cnt=" | |
3105 | "0x%xreq_cnt=0x%x", ha->req_ring_index, ha->req_q_cnt, | |
3106 | req_cnt); | |
3107 | goto out; | |
3108 | } | |
3109 | ||
3110 | /* Check for room in outstanding command list. */ | |
3111 | for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS && | |
3112 | ha->outstanding_cmds[cnt] != 0; cnt++); | |
3113 | ||
3114 | if (cnt >= MAX_OUTSTANDING_COMMANDS) { | |
3115 | status = 1; | |
3116 | dprintk(2, "qla1280_64bit_start_scsi: NO ROOM IN " | |
3117 | "OUTSTANDING ARRAY, req_q_cnt=0x%x", ha->req_q_cnt); | |
3118 | goto out; | |
3119 | } | |
3120 | ||
3121 | ha->outstanding_cmds[cnt] = sp; | |
3122 | ha->req_q_cnt -= req_cnt; | |
3123 | CMD_HANDLE(sp->cmd) = (unsigned char *)(unsigned long)(cnt + 1); | |
3124 | ||
3125 | dprintk(2, "64bit_start: cmd=%p sp=%p CDB=%xm, handle %lx\n", cmd, sp, | |
3126 | cmd->cmnd[0], (long)CMD_HANDLE(sp->cmd)); | |
3127 | dprintk(2, " bus %i, target %i, lun %i\n", | |
3128 | SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); | |
3129 | qla1280_dump_buffer(2, cmd->cmnd, MAX_COMMAND_SIZE); | |
3130 | ||
3131 | /* | |
3132 | * Build command packet. | |
3133 | */ | |
3134 | pkt = (cmd_a64_entry_t *) ha->request_ring_ptr; | |
3135 | ||
3136 | pkt->entry_type = COMMAND_A64_TYPE; | |
3137 | pkt->entry_count = (uint8_t) req_cnt; | |
3138 | pkt->sys_define = (uint8_t) ha->req_ring_index; | |
3139 | pkt->entry_status = 0; | |
3140 | pkt->handle = cpu_to_le32(cnt); | |
3141 | ||
3142 | /* Zero out remaining portion of packet. */ | |
3143 | memset(((char *)pkt + 8), 0, (REQUEST_ENTRY_SIZE - 8)); | |
3144 | ||
3145 | /* Set ISP command timeout. */ | |
3146 | pkt->timeout = cpu_to_le16(30); | |
3147 | ||
3148 | /* Set device target ID and LUN */ | |
3149 | pkt->lun = SCSI_LUN_32(cmd); | |
3150 | pkt->target = SCSI_BUS_32(cmd) ? | |
3151 | (SCSI_TCN_32(cmd) | BIT_7) : SCSI_TCN_32(cmd); | |
3152 | ||
3153 | /* Enable simple tag queuing if device supports it. */ | |
3154 | if (DEV_SIMPLE_TAGS(cmd->device)) | |
3155 | pkt->control_flags |= cpu_to_le16(BIT_3); | |
3156 | ||
3157 | /* Load SCSI command packet. */ | |
3158 | pkt->cdb_len = cpu_to_le16(CMD_CDBLEN(cmd)); | |
3159 | memcpy(pkt->scsi_cdb, &(CMD_CDBP(cmd)), CMD_CDBLEN(cmd)); | |
3160 | /* dprintk(1, "Build packet for command[0]=0x%x\n",pkt->scsi_cdb[0]); */ | |
3161 | ||
3162 | /* Set transfer direction. */ | |
3163 | dir = qla1280_data_direction(cmd); | |
3164 | pkt->control_flags |= cpu_to_le16(dir); | |
3165 | ||
3166 | /* Set total data segment count. */ | |
3167 | pkt->dseg_count = cpu_to_le16(seg_cnt); | |
3168 | ||
3169 | /* | |
3170 | * Load data segments. | |
3171 | */ | |
3172 | if (seg_cnt) { /* If data transfer. */ | |
3173 | /* Setup packet address segment pointer. */ | |
3174 | dword_ptr = (u32 *)&pkt->dseg_0_address; | |
3175 | ||
3176 | if (cmd->use_sg) { /* If scatter gather */ | |
3177 | /* Load command entry data segments. */ | |
3178 | for (cnt = 0; cnt < 2 && seg_cnt; cnt++, seg_cnt--) { | |
3179 | dma_handle = sg_dma_address(sg); | |
3180 | #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) | |
3181 | if (ha->flags.use_pci_vchannel) | |
3182 | sn_pci_set_vchan(ha->pdev, | |
3183 | (unsigned long *)&dma_handle, | |
3184 | SCSI_BUS_32(cmd)); | |
3185 | #endif | |
3186 | *dword_ptr++ = | |
3187 | cpu_to_le32(pci_dma_lo32(dma_handle)); | |
3188 | *dword_ptr++ = | |
3189 | cpu_to_le32(pci_dma_hi32(dma_handle)); | |
3190 | *dword_ptr++ = cpu_to_le32(sg_dma_len(sg)); | |
3191 | sg++; | |
3192 | dprintk(3, "S/G Segment phys_addr=%x %x, len=0x%x\n", | |
3193 | cpu_to_le32(pci_dma_hi32(dma_handle)), | |
3194 | cpu_to_le32(pci_dma_lo32(dma_handle)), | |
3195 | cpu_to_le32(sg_dma_len(sg))); | |
3196 | } | |
3197 | dprintk(5, "qla1280_64bit_start_scsi: Scatter/gather " | |
3198 | "command packet data - b %i, t %i, l %i \n", | |
3199 | SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), | |
3200 | SCSI_LUN_32(cmd)); | |
3201 | qla1280_dump_buffer(5, (char *)pkt, | |
3202 | REQUEST_ENTRY_SIZE); | |
3203 | ||
3204 | /* | |
3205 | * Build continuation packets. | |
3206 | */ | |
3207 | dprintk(3, "S/G Building Continuation...seg_cnt=0x%x " | |
3208 | "remains\n", seg_cnt); | |
3209 | ||
3210 | while (seg_cnt > 0) { | |
3211 | /* Adjust ring index. */ | |
3212 | ha->req_ring_index++; | |
3213 | if (ha->req_ring_index == REQUEST_ENTRY_CNT) { | |
3214 | ha->req_ring_index = 0; | |
3215 | ha->request_ring_ptr = | |
3216 | ha->request_ring; | |
3217 | } else | |
3218 | ha->request_ring_ptr++; | |
3219 | ||
3220 | pkt = (cmd_a64_entry_t *)ha->request_ring_ptr; | |
3221 | ||
3222 | /* Zero out packet. */ | |
3223 | memset(pkt, 0, REQUEST_ENTRY_SIZE); | |
3224 | ||
3225 | /* Load packet defaults. */ | |
3226 | ((struct cont_a64_entry *) pkt)->entry_type = | |
3227 | CONTINUE_A64_TYPE; | |
3228 | ((struct cont_a64_entry *) pkt)->entry_count = 1; | |
3229 | ((struct cont_a64_entry *) pkt)->sys_define = | |
3230 | (uint8_t)ha->req_ring_index; | |
3231 | /* Setup packet address segment pointer. */ | |
3232 | dword_ptr = | |
3233 | (u32 *)&((struct cont_a64_entry *) pkt)->dseg_0_address; | |
3234 | ||
3235 | /* Load continuation entry data segments. */ | |
3236 | for (cnt = 0; cnt < 5 && seg_cnt; | |
3237 | cnt++, seg_cnt--) { | |
3238 | dma_handle = sg_dma_address(sg); | |
3239 | #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) | |
3240 | if (ha->flags.use_pci_vchannel) | |
3241 | sn_pci_set_vchan(ha->pdev, | |
3242 | (unsigned long *)&dma_handle, | |
3243 | SCSI_BUS_32(cmd)); | |
3244 | #endif | |
3245 | *dword_ptr++ = | |
3246 | cpu_to_le32(pci_dma_lo32(dma_handle)); | |
3247 | *dword_ptr++ = | |
3248 | cpu_to_le32(pci_dma_hi32(dma_handle)); | |
3249 | *dword_ptr++ = | |
3250 | cpu_to_le32(sg_dma_len(sg)); | |
3251 | dprintk(3, "S/G Segment Cont. phys_addr=%x %x, len=0x%x\n", | |
3252 | cpu_to_le32(pci_dma_hi32(dma_handle)), | |
3253 | cpu_to_le32(pci_dma_lo32(dma_handle)), | |
3254 | cpu_to_le32(sg_dma_len(sg))); | |
3255 | sg++; | |
3256 | } | |
3257 | dprintk(5, "qla1280_64bit_start_scsi: " | |
3258 | "continuation packet data - b %i, t " | |
3259 | "%i, l %i \n", SCSI_BUS_32(cmd), | |
3260 | SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); | |
3261 | qla1280_dump_buffer(5, (char *)pkt, | |
3262 | REQUEST_ENTRY_SIZE); | |
3263 | } | |
3264 | } else { /* No scatter gather data transfer */ | |
3265 | dma_handle = pci_map_single(ha->pdev, | |
3266 | cmd->request_buffer, | |
3267 | cmd->request_bufflen, | |
3268 | cmd->sc_data_direction); | |
3269 | ||
3270 | sp->saved_dma_handle = dma_handle; | |
3271 | #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) | |
3272 | if (ha->flags.use_pci_vchannel) | |
3273 | sn_pci_set_vchan(ha->pdev, | |
3274 | (unsigned long *)&dma_handle, | |
3275 | SCSI_BUS_32(cmd)); | |
3276 | #endif | |
3277 | *dword_ptr++ = cpu_to_le32(pci_dma_lo32(dma_handle)); | |
3278 | *dword_ptr++ = cpu_to_le32(pci_dma_hi32(dma_handle)); | |
3279 | *dword_ptr = cpu_to_le32(cmd->request_bufflen); | |
3280 | ||
3281 | dprintk(5, "qla1280_64bit_start_scsi: No scatter/" | |
3282 | "gather command packet data - b %i, t %i, " | |
3283 | "l %i \n", SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), | |
3284 | SCSI_LUN_32(cmd)); | |
3285 | qla1280_dump_buffer(5, (char *)pkt, | |
3286 | REQUEST_ENTRY_SIZE); | |
3287 | } | |
3288 | } else { /* No data transfer */ | |
3289 | dprintk(5, "qla1280_64bit_start_scsi: No data, command " | |
3290 | "packet data - b %i, t %i, l %i \n", | |
3291 | SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); | |
3292 | qla1280_dump_buffer(5, (char *)pkt, REQUEST_ENTRY_SIZE); | |
3293 | } | |
3294 | /* Adjust ring index. */ | |
3295 | ha->req_ring_index++; | |
3296 | if (ha->req_ring_index == REQUEST_ENTRY_CNT) { | |
3297 | ha->req_ring_index = 0; | |
3298 | ha->request_ring_ptr = ha->request_ring; | |
3299 | } else | |
3300 | ha->request_ring_ptr++; | |
3301 | ||
3302 | /* Set chip new ring index. */ | |
3303 | dprintk(2, | |
3304 | "qla1280_64bit_start_scsi: Wakeup RISC for pending command\n"); | |
3305 | sp->flags |= SRB_SENT; | |
3306 | ha->actthreads++; | |
3307 | WRT_REG_WORD(®->mailbox4, ha->req_ring_index); | |
3308 | /* Enforce mmio write ordering; see comment in qla1280_isp_cmd(). */ | |
3309 | mmiowb(); | |
3310 | ||
3311 | out: | |
3312 | if (status) | |
3313 | dprintk(2, "qla1280_64bit_start_scsi: **** FAILED ****\n"); | |
3314 | else | |
3315 | dprintk(3, "qla1280_64bit_start_scsi: exiting normally\n"); | |
3316 | ||
3317 | return status; | |
3318 | } | |
3319 | #else /* !QLA_64BIT_PTR */ | |
3320 | ||
3321 | /* | |
3322 | * qla1280_32bit_start_scsi | |
3323 | * The start SCSI is responsible for building request packets on | |
3324 | * request ring and modifying ISP input pointer. | |
3325 | * | |
3326 | * The Qlogic firmware interface allows every queue slot to have a SCSI | |
3327 | * command and up to 4 scatter/gather (SG) entries. If we need more | |
3328 | * than 4 SG entries, then continuation entries are used that can | |
3329 | * hold another 7 entries each. The start routine determines if there | |
3330 | * is eought empty slots then build the combination of requests to | |
3331 | * fulfill the OS request. | |
3332 | * | |
3333 | * Input: | |
3334 | * ha = adapter block pointer. | |
3335 | * sp = SCSI Request Block structure pointer. | |
3336 | * | |
3337 | * Returns: | |
3338 | * 0 = success, was able to issue command. | |
3339 | */ | |
3340 | static int | |
3341 | qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp) | |
3342 | { | |
3343 | struct device_reg __iomem *reg = ha->iobase; | |
3344 | struct scsi_cmnd *cmd = sp->cmd; | |
3345 | struct cmd_entry *pkt; | |
3346 | struct scatterlist *sg = NULL; | |
3347 | uint32_t *dword_ptr; | |
3348 | int status = 0; | |
3349 | int cnt; | |
3350 | int req_cnt; | |
3351 | uint16_t seg_cnt; | |
3352 | dma_addr_t dma_handle; | |
3353 | u8 dir; | |
3354 | ||
3355 | ENTER("qla1280_32bit_start_scsi"); | |
3356 | ||
3357 | dprintk(1, "32bit_start: cmd=%p sp=%p CDB=%x\n", cmd, sp, | |
3358 | cmd->cmnd[0]); | |
3359 | ||
3360 | /* Calculate number of entries and segments required. */ | |
3361 | req_cnt = 1; | |
3362 | if (cmd->use_sg) { | |
3363 | /* | |
3364 | * We must build an SG list in adapter format, as the kernel's | |
3365 | * SG list cannot be used directly because of data field size | |
3366 | * (__alpha__) differences and the kernel SG list uses virtual | |
3367 | * addresses where we need physical addresses. | |
3368 | */ | |
3369 | sg = (struct scatterlist *) cmd->request_buffer; | |
3370 | seg_cnt = pci_map_sg(ha->pdev, sg, cmd->use_sg, | |
3371 | cmd->sc_data_direction); | |
3372 | ||
3373 | /* | |
3374 | * if greater than four sg entries then we need to allocate | |
3375 | * continuation entries | |
3376 | */ | |
3377 | if (seg_cnt > 4) { | |
3378 | req_cnt += (seg_cnt - 4) / 7; | |
3379 | if ((seg_cnt - 4) % 7) | |
3380 | req_cnt++; | |
3381 | } | |
3382 | dprintk(3, "S/G Transfer cmd=%p seg_cnt=0x%x, req_cnt=%x\n", | |
3383 | cmd, seg_cnt, req_cnt); | |
3384 | } else if (cmd->request_bufflen) { /* If data transfer. */ | |
3385 | dprintk(3, "No S/G transfer t=%x cmd=%p len=%x CDB=%x\n", | |
3386 | SCSI_TCN_32(cmd), cmd, cmd->request_bufflen, | |
3387 | cmd->cmnd[0]); | |
3388 | seg_cnt = 1; | |
3389 | } else { | |
3390 | /* dprintk(1, "No data transfer \n"); */ | |
3391 | seg_cnt = 0; | |
3392 | } | |
3393 | ||
3394 | if ((req_cnt + 2) >= ha->req_q_cnt) { | |
3395 | /* Calculate number of free request entries. */ | |
3396 | cnt = RD_REG_WORD(®->mailbox4); | |
3397 | if (ha->req_ring_index < cnt) | |
3398 | ha->req_q_cnt = cnt - ha->req_ring_index; | |
3399 | else | |
3400 | ha->req_q_cnt = | |
3401 | REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt); | |
3402 | } | |
3403 | ||
3404 | dprintk(3, "Number of free entries=(%d) seg_cnt=0x%x\n", | |
3405 | ha->req_q_cnt, seg_cnt); | |
3406 | /* If room for request in request ring. */ | |
3407 | if ((req_cnt + 2) >= ha->req_q_cnt) { | |
3408 | status = 1; | |
3409 | dprintk(2, "qla1280_32bit_start_scsi: in-ptr=0x%x, " | |
3410 | "req_q_cnt=0x%x, req_cnt=0x%x", ha->req_ring_index, | |
3411 | ha->req_q_cnt, req_cnt); | |
3412 | goto out; | |
3413 | } | |
3414 | ||
3415 | /* Check for empty slot in outstanding command list. */ | |
3416 | for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS && | |
3417 | (ha->outstanding_cmds[cnt] != 0); cnt++) ; | |
3418 | ||
3419 | if (cnt >= MAX_OUTSTANDING_COMMANDS) { | |
3420 | status = 1; | |
3421 | dprintk(2, "qla1280_32bit_start_scsi: NO ROOM IN OUTSTANDING " | |
3422 | "ARRAY, req_q_cnt=0x%x\n", ha->req_q_cnt); | |
3423 | goto out; | |
3424 | } | |
3425 | ||
3426 | CMD_HANDLE(sp->cmd) = (unsigned char *) (unsigned long)(cnt + 1); | |
3427 | ha->outstanding_cmds[cnt] = sp; | |
3428 | ha->req_q_cnt -= req_cnt; | |
3429 | ||
3430 | /* | |
3431 | * Build command packet. | |
3432 | */ | |
3433 | pkt = (struct cmd_entry *) ha->request_ring_ptr; | |
3434 | ||
3435 | pkt->entry_type = COMMAND_TYPE; | |
3436 | pkt->entry_count = (uint8_t) req_cnt; | |
3437 | pkt->sys_define = (uint8_t) ha->req_ring_index; | |
3438 | pkt->entry_status = 0; | |
3439 | pkt->handle = cpu_to_le32(cnt); | |
3440 | ||
3441 | /* Zero out remaining portion of packet. */ | |
3442 | memset(((char *)pkt + 8), 0, (REQUEST_ENTRY_SIZE - 8)); | |
3443 | ||
3444 | /* Set ISP command timeout. */ | |
3445 | pkt->timeout = cpu_to_le16(30); | |
3446 | ||
3447 | /* Set device target ID and LUN */ | |
3448 | pkt->lun = SCSI_LUN_32(cmd); | |
3449 | pkt->target = SCSI_BUS_32(cmd) ? | |
3450 | (SCSI_TCN_32(cmd) | BIT_7) : SCSI_TCN_32(cmd); | |
3451 | ||
3452 | /* Enable simple tag queuing if device supports it. */ | |
3453 | if (DEV_SIMPLE_TAGS(cmd->device)) | |
3454 | pkt->control_flags |= cpu_to_le16(BIT_3); | |
3455 | ||
3456 | /* Load SCSI command packet. */ | |
3457 | pkt->cdb_len = cpu_to_le16(CMD_CDBLEN(cmd)); | |
3458 | memcpy(pkt->scsi_cdb, &(CMD_CDBP(cmd)), CMD_CDBLEN(cmd)); | |
3459 | ||
3460 | /*dprintk(1, "Build packet for command[0]=0x%x\n",pkt->scsi_cdb[0]); */ | |
3461 | /* Set transfer direction. */ | |
3462 | dir = qla1280_data_direction(cmd); | |
3463 | pkt->control_flags |= cpu_to_le16(dir); | |
3464 | ||
3465 | /* Set total data segment count. */ | |
3466 | pkt->dseg_count = cpu_to_le16(seg_cnt); | |
3467 | ||
3468 | /* | |
3469 | * Load data segments. | |
3470 | */ | |
3471 | if (seg_cnt) { | |
3472 | /* Setup packet address segment pointer. */ | |
3473 | dword_ptr = &pkt->dseg_0_address; | |
3474 | ||
3475 | if (cmd->use_sg) { /* If scatter gather */ | |
3476 | dprintk(3, "Building S/G data segments..\n"); | |
3477 | qla1280_dump_buffer(1, (char *)sg, 4 * 16); | |
3478 | ||
3479 | /* Load command entry data segments. */ | |
3480 | for (cnt = 0; cnt < 4 && seg_cnt; cnt++, seg_cnt--) { | |
3481 | *dword_ptr++ = | |
3482 | cpu_to_le32(pci_dma_lo32(sg_dma_address(sg))); | |
3483 | *dword_ptr++ = | |
3484 | cpu_to_le32(sg_dma_len(sg)); | |
3485 | dprintk(3, "S/G Segment phys_addr=0x%lx, len=0x%x\n", | |
3486 | (pci_dma_lo32(sg_dma_address(sg))), | |
3487 | (sg_dma_len(sg))); | |
3488 | sg++; | |
3489 | } | |
3490 | /* | |
3491 | * Build continuation packets. | |
3492 | */ | |
3493 | dprintk(3, "S/G Building Continuation" | |
3494 | "...seg_cnt=0x%x remains\n", seg_cnt); | |
3495 | while (seg_cnt > 0) { | |
3496 | /* Adjust ring index. */ | |
3497 | ha->req_ring_index++; | |
3498 | if (ha->req_ring_index == REQUEST_ENTRY_CNT) { | |
3499 | ha->req_ring_index = 0; | |
3500 | ha->request_ring_ptr = | |
3501 | ha->request_ring; | |
3502 | } else | |
3503 | ha->request_ring_ptr++; | |
3504 | ||
3505 | pkt = (struct cmd_entry *)ha->request_ring_ptr; | |
3506 | ||
3507 | /* Zero out packet. */ | |
3508 | memset(pkt, 0, REQUEST_ENTRY_SIZE); | |
3509 | ||
3510 | /* Load packet defaults. */ | |
3511 | ((struct cont_entry *) pkt)-> | |
3512 | entry_type = CONTINUE_TYPE; | |
3513 | ((struct cont_entry *) pkt)->entry_count = 1; | |
3514 | ||
3515 | ((struct cont_entry *) pkt)->sys_define = | |
3516 | (uint8_t) ha->req_ring_index; | |
3517 | ||
3518 | /* Setup packet address segment pointer. */ | |
3519 | dword_ptr = | |
3520 | &((struct cont_entry *) pkt)->dseg_0_address; | |
3521 | ||
3522 | /* Load continuation entry data segments. */ | |
3523 | for (cnt = 0; cnt < 7 && seg_cnt; | |
3524 | cnt++, seg_cnt--) { | |
3525 | *dword_ptr++ = | |
3526 | cpu_to_le32(pci_dma_lo32(sg_dma_address(sg))); | |
3527 | *dword_ptr++ = | |
3528 | cpu_to_le32(sg_dma_len(sg)); | |
3529 | dprintk(1, | |
3530 | "S/G Segment Cont. phys_addr=0x%x, " | |
3531 | "len=0x%x\n", | |
3532 | cpu_to_le32(pci_dma_lo32(sg_dma_address(sg))), | |
3533 | cpu_to_le32(sg_dma_len(sg))); | |
3534 | sg++; | |
3535 | } | |
3536 | dprintk(5, "qla1280_32bit_start_scsi: " | |
3537 | "continuation packet data - " | |
3538 | "scsi(%i:%i:%i)\n", SCSI_BUS_32(cmd), | |
3539 | SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); | |
3540 | qla1280_dump_buffer(5, (char *)pkt, | |
3541 | REQUEST_ENTRY_SIZE); | |
3542 | } | |
3543 | } else { /* No S/G data transfer */ | |
3544 | dma_handle = pci_map_single(ha->pdev, | |
3545 | cmd->request_buffer, | |
3546 | cmd->request_bufflen, | |
3547 | cmd->sc_data_direction); | |
3548 | sp->saved_dma_handle = dma_handle; | |
3549 | ||
3550 | *dword_ptr++ = cpu_to_le32(pci_dma_lo32(dma_handle)); | |
3551 | *dword_ptr = cpu_to_le32(cmd->request_bufflen); | |
3552 | } | |
3553 | } else { /* No data transfer at all */ | |
3554 | dprintk(5, "qla1280_32bit_start_scsi: No data, command " | |
3555 | "packet data - \n"); | |
3556 | qla1280_dump_buffer(5, (char *)pkt, REQUEST_ENTRY_SIZE); | |
3557 | } | |
3558 | dprintk(5, "qla1280_32bit_start_scsi: First IOCB block:\n"); | |
3559 | qla1280_dump_buffer(5, (char *)ha->request_ring_ptr, | |
3560 | REQUEST_ENTRY_SIZE); | |
3561 | ||
3562 | /* Adjust ring index. */ | |
3563 | ha->req_ring_index++; | |
3564 | if (ha->req_ring_index == REQUEST_ENTRY_CNT) { | |
3565 | ha->req_ring_index = 0; | |
3566 | ha->request_ring_ptr = ha->request_ring; | |
3567 | } else | |
3568 | ha->request_ring_ptr++; | |
3569 | ||
3570 | /* Set chip new ring index. */ | |
3571 | dprintk(2, "qla1280_32bit_start_scsi: Wakeup RISC " | |
3572 | "for pending command\n"); | |
3573 | sp->flags |= SRB_SENT; | |
3574 | ha->actthreads++; | |
3575 | WRT_REG_WORD(®->mailbox4, ha->req_ring_index); | |
3576 | /* Enforce mmio write ordering; see comment in qla1280_isp_cmd(). */ | |
3577 | mmiowb(); | |
3578 | ||
3579 | out: | |
3580 | if (status) | |
3581 | dprintk(2, "qla1280_32bit_start_scsi: **** FAILED ****\n"); | |
3582 | ||
3583 | LEAVE("qla1280_32bit_start_scsi"); | |
3584 | ||
3585 | return status; | |
3586 | } | |
3587 | #endif | |
3588 | ||
3589 | /* | |
3590 | * qla1280_req_pkt | |
3591 | * Function is responsible for locking ring and | |
3592 | * getting a zeroed out request packet. | |
3593 | * | |
3594 | * Input: | |
3595 | * ha = adapter block pointer. | |
3596 | * | |
3597 | * Returns: | |
3598 | * 0 = failed to get slot. | |
3599 | */ | |
3600 | static request_t * | |
3601 | qla1280_req_pkt(struct scsi_qla_host *ha) | |
3602 | { | |
3603 | struct device_reg __iomem *reg = ha->iobase; | |
3604 | request_t *pkt = NULL; | |
3605 | int cnt; | |
3606 | uint32_t timer; | |
3607 | ||
3608 | ENTER("qla1280_req_pkt"); | |
3609 | ||
3610 | /* | |
3611 | * This can be called from interrupt context, damn it!!! | |
3612 | */ | |
3613 | /* Wait for 30 seconds for slot. */ | |
3614 | for (timer = 15000000; timer; timer--) { | |
3615 | if (ha->req_q_cnt > 0) { | |
3616 | /* Calculate number of free request entries. */ | |
3617 | cnt = RD_REG_WORD(®->mailbox4); | |
3618 | if (ha->req_ring_index < cnt) | |
3619 | ha->req_q_cnt = cnt - ha->req_ring_index; | |
3620 | else | |
3621 | ha->req_q_cnt = | |
3622 | REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt); | |
3623 | } | |
3624 | ||
3625 | /* Found empty request ring slot? */ | |
3626 | if (ha->req_q_cnt > 0) { | |
3627 | ha->req_q_cnt--; | |
3628 | pkt = ha->request_ring_ptr; | |
3629 | ||
3630 | /* Zero out packet. */ | |
3631 | memset(pkt, 0, REQUEST_ENTRY_SIZE); | |
3632 | ||
3633 | /* | |
3634 | * How can this be right when we have a ring | |
3635 | * size of 512??? | |
3636 | */ | |
3637 | /* Set system defined field. */ | |
3638 | pkt->sys_define = (uint8_t) ha->req_ring_index; | |
3639 | ||
3640 | /* Set entry count. */ | |
3641 | pkt->entry_count = 1; | |
3642 | ||
3643 | break; | |
3644 | } | |
3645 | ||
3646 | udelay(2); /* 10 */ | |
3647 | ||
3648 | /* Check for pending interrupts. */ | |
3649 | qla1280_poll(ha); | |
3650 | } | |
3651 | ||
3652 | if (!pkt) | |
3653 | dprintk(2, "qla1280_req_pkt: **** FAILED ****\n"); | |
3654 | else | |
3655 | dprintk(3, "qla1280_req_pkt: exiting normally\n"); | |
3656 | ||
3657 | return pkt; | |
3658 | } | |
3659 | ||
3660 | /* | |
3661 | * qla1280_isp_cmd | |
3662 | * Function is responsible for modifying ISP input pointer. | |
3663 | * Releases ring lock. | |
3664 | * | |
3665 | * Input: | |
3666 | * ha = adapter block pointer. | |
3667 | */ | |
3668 | static void | |
3669 | qla1280_isp_cmd(struct scsi_qla_host *ha) | |
3670 | { | |
3671 | struct device_reg __iomem *reg = ha->iobase; | |
3672 | ||
3673 | ENTER("qla1280_isp_cmd"); | |
3674 | ||
3675 | dprintk(5, "qla1280_isp_cmd: IOCB data:\n"); | |
3676 | qla1280_dump_buffer(5, (char *)ha->request_ring_ptr, | |
3677 | REQUEST_ENTRY_SIZE); | |
3678 | ||
3679 | /* Adjust ring index. */ | |
3680 | ha->req_ring_index++; | |
3681 | if (ha->req_ring_index == REQUEST_ENTRY_CNT) { | |
3682 | ha->req_ring_index = 0; | |
3683 | ha->request_ring_ptr = ha->request_ring; | |
3684 | } else | |
3685 | ha->request_ring_ptr++; | |
3686 | ||
3687 | /* | |
3688 | * Update request index to mailbox4 (Request Queue In). | |
3689 | * The mmiowb() ensures that this write is ordered with writes by other | |
3690 | * CPUs. Without the mmiowb(), it is possible for the following: | |
3691 | * CPUA posts write of index 5 to mailbox4 | |
3692 | * CPUA releases host lock | |
3693 | * CPUB acquires host lock | |
3694 | * CPUB posts write of index 6 to mailbox4 | |
3695 | * On PCI bus, order reverses and write of 6 posts, then index 5, | |
3696 | * causing chip to issue full queue of stale commands | |
3697 | * The mmiowb() prevents future writes from crossing the barrier. | |
3698 | * See Documentation/DocBook/deviceiobook.tmpl for more information. | |
3699 | */ | |
3700 | WRT_REG_WORD(®->mailbox4, ha->req_ring_index); | |
3701 | mmiowb(); | |
3702 | ||
3703 | LEAVE("qla1280_isp_cmd"); | |
3704 | } | |
3705 | ||
3706 | /****************************************************************************/ | |
3707 | /* Interrupt Service Routine. */ | |
3708 | /****************************************************************************/ | |
3709 | ||
3710 | /**************************************************************************** | |
3711 | * qla1280_isr | |
3712 | * Calls I/O done on command completion. | |
3713 | * | |
3714 | * Input: | |
3715 | * ha = adapter block pointer. | |
3716 | * done_q = done queue. | |
3717 | ****************************************************************************/ | |
3718 | static void | |
3719 | qla1280_isr(struct scsi_qla_host *ha, struct list_head *done_q) | |
3720 | { | |
3721 | struct device_reg __iomem *reg = ha->iobase; | |
3722 | struct response *pkt; | |
3723 | struct srb *sp = NULL; | |
3724 | uint16_t mailbox[MAILBOX_REGISTER_COUNT]; | |
3725 | uint16_t *wptr; | |
3726 | uint32_t index; | |
3727 | u16 istatus; | |
3728 | ||
3729 | ENTER("qla1280_isr"); | |
3730 | ||
3731 | istatus = RD_REG_WORD(®->istatus); | |
3732 | if (!(istatus & (RISC_INT | PCI_INT))) | |
3733 | return; | |
3734 | ||
3735 | /* Save mailbox register 5 */ | |
3736 | mailbox[5] = RD_REG_WORD(®->mailbox5); | |
3737 | ||
3738 | /* Check for mailbox interrupt. */ | |
3739 | ||
3740 | mailbox[0] = RD_REG_WORD_dmasync(®->semaphore); | |
3741 | ||
3742 | if (mailbox[0] & BIT_0) { | |
3743 | /* Get mailbox data. */ | |
3744 | /* dprintk(1, "qla1280_isr: In Get mailbox data \n"); */ | |
3745 | ||
3746 | wptr = &mailbox[0]; | |
3747 | *wptr++ = RD_REG_WORD(®->mailbox0); | |
3748 | *wptr++ = RD_REG_WORD(®->mailbox1); | |
3749 | *wptr = RD_REG_WORD(®->mailbox2); | |
3750 | if (mailbox[0] != MBA_SCSI_COMPLETION) { | |
3751 | wptr++; | |
3752 | *wptr++ = RD_REG_WORD(®->mailbox3); | |
3753 | *wptr++ = RD_REG_WORD(®->mailbox4); | |
3754 | wptr++; | |
3755 | *wptr++ = RD_REG_WORD(®->mailbox6); | |
3756 | *wptr = RD_REG_WORD(®->mailbox7); | |
3757 | } | |
3758 | ||
3759 | /* Release mailbox registers. */ | |
3760 | ||
3761 | WRT_REG_WORD(®->semaphore, 0); | |
3762 | WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT); | |
3763 | ||
3764 | dprintk(5, "qla1280_isr: mailbox interrupt mailbox[0] = 0x%x", | |
3765 | mailbox[0]); | |
3766 | ||
3767 | /* Handle asynchronous event */ | |
3768 | switch (mailbox[0]) { | |
3769 | case MBA_SCSI_COMPLETION: /* Response completion */ | |
3770 | dprintk(5, "qla1280_isr: mailbox SCSI response " | |
3771 | "completion\n"); | |
3772 | ||
3773 | if (ha->flags.online) { | |
3774 | /* Get outstanding command index. */ | |
3775 | index = mailbox[2] << 16 | mailbox[1]; | |
3776 | ||
3777 | /* Validate handle. */ | |
3778 | if (index < MAX_OUTSTANDING_COMMANDS) | |
3779 | sp = ha->outstanding_cmds[index]; | |
3780 | else | |
3781 | sp = NULL; | |
3782 | ||
3783 | if (sp) { | |
3784 | /* Free outstanding command slot. */ | |
3785 | ha->outstanding_cmds[index] = NULL; | |
3786 | ||
3787 | /* Save ISP completion status */ | |
3788 | CMD_RESULT(sp->cmd) = 0; | |
3789 | ||
3790 | /* Place block on done queue */ | |
3791 | list_add_tail(&sp->list, done_q); | |
3792 | } else { | |
3793 | /* | |
3794 | * If we get here we have a real problem! | |
3795 | */ | |
3796 | printk(KERN_WARNING | |
3797 | "qla1280: ISP invalid handle"); | |
3798 | } | |
3799 | } | |
3800 | break; | |
3801 | ||
3802 | case MBA_BUS_RESET: /* SCSI Bus Reset */ | |
3803 | ha->flags.reset_marker = 1; | |
3804 | index = mailbox[6] & BIT_0; | |
3805 | ha->bus_settings[index].reset_marker = 1; | |
3806 | ||
3807 | printk(KERN_DEBUG "qla1280_isr(): index %i " | |
3808 | "asynchronous BUS_RESET\n", index); | |
3809 | break; | |
3810 | ||
3811 | case MBA_SYSTEM_ERR: /* System Error */ | |
3812 | printk(KERN_WARNING | |
3813 | "qla1280: ISP System Error - mbx1=%xh, mbx2=" | |
3814 | "%xh, mbx3=%xh\n", mailbox[1], mailbox[2], | |
3815 | mailbox[3]); | |
3816 | break; | |
3817 | ||
3818 | case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ | |
3819 | printk(KERN_WARNING | |
3820 | "qla1280: ISP Request Transfer Error\n"); | |
3821 | break; | |
3822 | ||
3823 | case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ | |
3824 | printk(KERN_WARNING | |
3825 | "qla1280: ISP Response Transfer Error\n"); | |
3826 | break; | |
3827 | ||
3828 | case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ | |
3829 | dprintk(2, "qla1280_isr: asynchronous WAKEUP_THRES\n"); | |
3830 | break; | |
3831 | ||
3832 | case MBA_TIMEOUT_RESET: /* Execution Timeout Reset */ | |
3833 | dprintk(2, | |
3834 | "qla1280_isr: asynchronous TIMEOUT_RESET\n"); | |
3835 | break; | |
3836 | ||
3837 | case MBA_DEVICE_RESET: /* Bus Device Reset */ | |
3838 | printk(KERN_INFO "qla1280_isr(): asynchronous " | |
3839 | "BUS_DEVICE_RESET\n"); | |
3840 | ||
3841 | ha->flags.reset_marker = 1; | |
3842 | index = mailbox[6] & BIT_0; | |
3843 | ha->bus_settings[index].reset_marker = 1; | |
3844 | break; | |
3845 | ||
3846 | case MBA_BUS_MODE_CHANGE: | |
3847 | dprintk(2, | |
3848 | "qla1280_isr: asynchronous BUS_MODE_CHANGE\n"); | |
3849 | break; | |
3850 | ||
3851 | default: | |
3852 | /* dprintk(1, "qla1280_isr: default case of switch MB \n"); */ | |
3853 | if (mailbox[0] < MBA_ASYNC_EVENT) { | |
3854 | wptr = &mailbox[0]; | |
3855 | memcpy((uint16_t *) ha->mailbox_out, wptr, | |
3856 | MAILBOX_REGISTER_COUNT * | |
3857 | sizeof(uint16_t)); | |
3858 | ||
3859 | if(ha->mailbox_wait != NULL) | |
3860 | complete(ha->mailbox_wait); | |
3861 | } | |
3862 | break; | |
3863 | } | |
3864 | } else { | |
3865 | WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT); | |
3866 | } | |
3867 | ||
3868 | /* | |
3869 | * We will receive interrupts during mailbox testing prior to | |
3870 | * the card being marked online, hence the double check. | |
3871 | */ | |
3872 | if (!(ha->flags.online && !ha->mailbox_wait)) { | |
3873 | dprintk(2, "qla1280_isr: Response pointer Error\n"); | |
3874 | goto out; | |
3875 | } | |
3876 | ||
3877 | if (mailbox[5] >= RESPONSE_ENTRY_CNT) | |
3878 | goto out; | |
3879 | ||
3880 | while (ha->rsp_ring_index != mailbox[5]) { | |
3881 | pkt = ha->response_ring_ptr; | |
3882 | ||
3883 | dprintk(5, "qla1280_isr: ha->rsp_ring_index = 0x%x, mailbox[5]" | |
3884 | " = 0x%x\n", ha->rsp_ring_index, mailbox[5]); | |
3885 | dprintk(5,"qla1280_isr: response packet data\n"); | |
3886 | qla1280_dump_buffer(5, (char *)pkt, RESPONSE_ENTRY_SIZE); | |
3887 | ||
3888 | if (pkt->entry_type == STATUS_TYPE) { | |
3889 | if ((le16_to_cpu(pkt->scsi_status) & 0xff) | |
3890 | || pkt->comp_status || pkt->entry_status) { | |
3891 | dprintk(2, "qla1280_isr: ha->rsp_ring_index = " | |
3892 | "0x%x mailbox[5] = 0x%x, comp_status " | |
3893 | "= 0x%x, scsi_status = 0x%x\n", | |
3894 | ha->rsp_ring_index, mailbox[5], | |
3895 | le16_to_cpu(pkt->comp_status), | |
3896 | le16_to_cpu(pkt->scsi_status)); | |
3897 | } | |
3898 | } else { | |
3899 | dprintk(2, "qla1280_isr: ha->rsp_ring_index = " | |
3900 | "0x%x, mailbox[5] = 0x%x\n", | |
3901 | ha->rsp_ring_index, mailbox[5]); | |
3902 | dprintk(2, "qla1280_isr: response packet data\n"); | |
3903 | qla1280_dump_buffer(2, (char *)pkt, | |
3904 | RESPONSE_ENTRY_SIZE); | |
3905 | } | |
3906 | ||
3907 | if (pkt->entry_type == STATUS_TYPE || pkt->entry_status) { | |
3908 | dprintk(2, "status: Cmd %p, handle %i\n", | |
3909 | ha->outstanding_cmds[pkt->handle]->cmd, | |
3910 | pkt->handle); | |
3911 | if (pkt->entry_type == STATUS_TYPE) | |
3912 | qla1280_status_entry(ha, pkt, done_q); | |
3913 | else | |
3914 | qla1280_error_entry(ha, pkt, done_q); | |
3915 | /* Adjust ring index. */ | |
3916 | ha->rsp_ring_index++; | |
3917 | if (ha->rsp_ring_index == RESPONSE_ENTRY_CNT) { | |
3918 | ha->rsp_ring_index = 0; | |
3919 | ha->response_ring_ptr = ha->response_ring; | |
3920 | } else | |
3921 | ha->response_ring_ptr++; | |
3922 | WRT_REG_WORD(®->mailbox5, ha->rsp_ring_index); | |
3923 | } | |
3924 | } | |
3925 | ||
3926 | out: | |
3927 | LEAVE("qla1280_isr"); | |
3928 | } | |
3929 | ||
3930 | /* | |
3931 | * qla1280_rst_aen | |
3932 | * Processes asynchronous reset. | |
3933 | * | |
3934 | * Input: | |
3935 | * ha = adapter block pointer. | |
3936 | */ | |
3937 | static void | |
3938 | qla1280_rst_aen(struct scsi_qla_host *ha) | |
3939 | { | |
3940 | uint8_t bus; | |
3941 | ||
3942 | ENTER("qla1280_rst_aen"); | |
3943 | ||
3944 | if (ha->flags.online && !ha->flags.reset_active && | |
3945 | !ha->flags.abort_isp_active) { | |
3946 | ha->flags.reset_active = 1; | |
3947 | while (ha->flags.reset_marker) { | |
3948 | /* Issue marker command. */ | |
3949 | ha->flags.reset_marker = 0; | |
3950 | for (bus = 0; bus < ha->ports && | |
3951 | !ha->flags.reset_marker; bus++) { | |
3952 | if (ha->bus_settings[bus].reset_marker) { | |
3953 | ha->bus_settings[bus].reset_marker = 0; | |
3954 | qla1280_marker(ha, bus, 0, 0, | |
3955 | MK_SYNC_ALL); | |
3956 | } | |
3957 | } | |
3958 | } | |
3959 | } | |
3960 | ||
3961 | LEAVE("qla1280_rst_aen"); | |
3962 | } | |
3963 | ||
3964 | ||
3965 | #if LINUX_VERSION_CODE < 0x020500 | |
3966 | /* | |
3967 | * | |
3968 | */ | |
3969 | static void | |
3970 | qla1280_get_target_options(struct scsi_cmnd *cmd, struct scsi_qla_host *ha) | |
3971 | { | |
3972 | unsigned char *result; | |
3973 | struct nvram *n; | |
3974 | int bus, target, lun; | |
3975 | ||
3976 | bus = SCSI_BUS_32(cmd); | |
3977 | target = SCSI_TCN_32(cmd); | |
3978 | lun = SCSI_LUN_32(cmd); | |
3979 | ||
3980 | /* | |
3981 | * Make sure to not touch anything if someone is using the | |
3982 | * sg interface. | |
3983 | */ | |
3984 | if (cmd->use_sg || (CMD_RESULT(cmd) >> 16) != DID_OK || lun) | |
3985 | return; | |
3986 | ||
3987 | result = cmd->request_buffer; | |
3988 | n = &ha->nvram; | |
3989 | ||
3990 | n->bus[bus].target[target].parameter.f.enable_wide = 0; | |
3991 | n->bus[bus].target[target].parameter.f.enable_sync = 0; | |
3992 | n->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 0; | |
3993 | ||
3994 | if (result[7] & 0x60) | |
3995 | n->bus[bus].target[target].parameter.f.enable_wide = 1; | |
3996 | if (result[7] & 0x10) | |
3997 | n->bus[bus].target[target].parameter.f.enable_sync = 1; | |
3998 | if ((result[2] >= 3) && (result[4] + 5 > 56) && | |
3999 | (result[56] & 0x4)) | |
4000 | n->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 1; | |
4001 | ||
4002 | dprintk(2, "get_target_options(): wide %i, sync %i, ppr %i\n", | |
4003 | n->bus[bus].target[target].parameter.f.enable_wide, | |
4004 | n->bus[bus].target[target].parameter.f.enable_sync, | |
4005 | n->bus[bus].target[target].ppr_1x160.flags.enable_ppr); | |
4006 | } | |
4007 | #endif | |
4008 | ||
4009 | /* | |
4010 | * qla1280_status_entry | |
4011 | * Processes received ISP status entry. | |
4012 | * | |
4013 | * Input: | |
4014 | * ha = adapter block pointer. | |
4015 | * pkt = entry pointer. | |
4016 | * done_q = done queue. | |
4017 | */ | |
4018 | static void | |
4019 | qla1280_status_entry(struct scsi_qla_host *ha, struct response *pkt, | |
4020 | struct list_head *done_q) | |
4021 | { | |
4022 | unsigned int bus, target, lun; | |
4023 | int sense_sz; | |
4024 | struct srb *sp; | |
4025 | struct scsi_cmnd *cmd; | |
4026 | uint32_t handle = le32_to_cpu(pkt->handle); | |
4027 | uint16_t scsi_status = le16_to_cpu(pkt->scsi_status); | |
4028 | uint16_t comp_status = le16_to_cpu(pkt->comp_status); | |
4029 | ||
4030 | ENTER("qla1280_status_entry"); | |
4031 | ||
4032 | /* Validate handle. */ | |
4033 | if (handle < MAX_OUTSTANDING_COMMANDS) | |
4034 | sp = ha->outstanding_cmds[handle]; | |
4035 | else | |
4036 | sp = NULL; | |
4037 | ||
4038 | if (!sp) { | |
4039 | printk(KERN_WARNING "qla1280: Status Entry invalid handle\n"); | |
4040 | goto out; | |
4041 | } | |
4042 | ||
4043 | /* Free outstanding command slot. */ | |
4044 | ha->outstanding_cmds[handle] = NULL; | |
4045 | ||
4046 | cmd = sp->cmd; | |
4047 | ||
4048 | /* Generate LU queue on cntrl, target, LUN */ | |
4049 | bus = SCSI_BUS_32(cmd); | |
4050 | target = SCSI_TCN_32(cmd); | |
4051 | lun = SCSI_LUN_32(cmd); | |
4052 | ||
4053 | if (comp_status || scsi_status) { | |
4054 | dprintk(3, "scsi: comp_status = 0x%x, scsi_status = " | |
4055 | "0x%x, handle = 0x%x\n", comp_status, | |
4056 | scsi_status, handle); | |
4057 | } | |
4058 | ||
7d0e11fb JH |
4059 | /* Target busy or queue full */ |
4060 | if ((scsi_status & 0xFF) == SAM_STAT_TASK_SET_FULL || | |
4061 | (scsi_status & 0xFF) == SAM_STAT_BUSY) { | |
4062 | CMD_RESULT(cmd) = scsi_status & 0xff; | |
1da177e4 LT |
4063 | } else { |
4064 | ||
4065 | /* Save ISP completion status */ | |
4066 | CMD_RESULT(cmd) = qla1280_return_status(pkt, cmd); | |
4067 | ||
4068 | if (scsi_status & SS_CHECK_CONDITION) { | |
4069 | if (comp_status != CS_ARS_FAILED) { | |
4070 | uint16_t req_sense_length = | |
4071 | le16_to_cpu(pkt->req_sense_length); | |
4072 | if (req_sense_length < CMD_SNSLEN(cmd)) | |
4073 | sense_sz = req_sense_length; | |
4074 | else | |
4075 | /* | |
4076 | * scsi_cmnd->sense_buffer is | |
4077 | * 64 bytes, why only copy 63? | |
4078 | * This looks wrong! /Jes | |
4079 | */ | |
4080 | sense_sz = CMD_SNSLEN(cmd) - 1; | |
4081 | ||
4082 | memcpy(cmd->sense_buffer, | |
4083 | &pkt->req_sense_data, sense_sz); | |
4084 | } else | |
4085 | sense_sz = 0; | |
4086 | memset(cmd->sense_buffer + sense_sz, 0, | |
4087 | sizeof(cmd->sense_buffer) - sense_sz); | |
4088 | ||
4089 | dprintk(2, "qla1280_status_entry: Check " | |
4090 | "condition Sense data, b %i, t %i, " | |
4091 | "l %i\n", bus, target, lun); | |
4092 | if (sense_sz) | |
4093 | qla1280_dump_buffer(2, | |
4094 | (char *)cmd->sense_buffer, | |
4095 | sense_sz); | |
4096 | } | |
4097 | } | |
4098 | ||
4099 | /* Place command on done queue. */ | |
4100 | list_add_tail(&sp->list, done_q); | |
4101 | out: | |
4102 | LEAVE("qla1280_status_entry"); | |
4103 | } | |
4104 | ||
4105 | /* | |
4106 | * qla1280_error_entry | |
4107 | * Processes error entry. | |
4108 | * | |
4109 | * Input: | |
4110 | * ha = adapter block pointer. | |
4111 | * pkt = entry pointer. | |
4112 | * done_q = done queue. | |
4113 | */ | |
4114 | static void | |
4115 | qla1280_error_entry(struct scsi_qla_host *ha, struct response *pkt, | |
4116 | struct list_head *done_q) | |
4117 | { | |
4118 | struct srb *sp; | |
4119 | uint32_t handle = le32_to_cpu(pkt->handle); | |
4120 | ||
4121 | ENTER("qla1280_error_entry"); | |
4122 | ||
4123 | if (pkt->entry_status & BIT_3) | |
4124 | dprintk(2, "qla1280_error_entry: BAD PAYLOAD flag error\n"); | |
4125 | else if (pkt->entry_status & BIT_2) | |
4126 | dprintk(2, "qla1280_error_entry: BAD HEADER flag error\n"); | |
4127 | else if (pkt->entry_status & BIT_1) | |
4128 | dprintk(2, "qla1280_error_entry: FULL flag error\n"); | |
4129 | else | |
4130 | dprintk(2, "qla1280_error_entry: UNKNOWN flag error\n"); | |
4131 | ||
4132 | /* Validate handle. */ | |
4133 | if (handle < MAX_OUTSTANDING_COMMANDS) | |
4134 | sp = ha->outstanding_cmds[handle]; | |
4135 | else | |
4136 | sp = NULL; | |
4137 | ||
4138 | if (sp) { | |
4139 | /* Free outstanding command slot. */ | |
4140 | ha->outstanding_cmds[handle] = NULL; | |
4141 | ||
4142 | /* Bad payload or header */ | |
4143 | if (pkt->entry_status & (BIT_3 + BIT_2)) { | |
4144 | /* Bad payload or header, set error status. */ | |
4145 | /* CMD_RESULT(sp->cmd) = CS_BAD_PAYLOAD; */ | |
4146 | CMD_RESULT(sp->cmd) = DID_ERROR << 16; | |
4147 | } else if (pkt->entry_status & BIT_1) { /* FULL flag */ | |
4148 | CMD_RESULT(sp->cmd) = DID_BUS_BUSY << 16; | |
4149 | } else { | |
4150 | /* Set error status. */ | |
4151 | CMD_RESULT(sp->cmd) = DID_ERROR << 16; | |
4152 | } | |
4153 | ||
4154 | /* Place command on done queue. */ | |
4155 | list_add_tail(&sp->list, done_q); | |
4156 | } | |
4157 | #ifdef QLA_64BIT_PTR | |
4158 | else if (pkt->entry_type == COMMAND_A64_TYPE) { | |
4159 | printk(KERN_WARNING "!qla1280: Error Entry invalid handle"); | |
4160 | } | |
4161 | #endif | |
4162 | ||
4163 | LEAVE("qla1280_error_entry"); | |
4164 | } | |
4165 | ||
4166 | /* | |
4167 | * qla1280_abort_isp | |
4168 | * Resets ISP and aborts all outstanding commands. | |
4169 | * | |
4170 | * Input: | |
4171 | * ha = adapter block pointer. | |
4172 | * | |
4173 | * Returns: | |
4174 | * 0 = success | |
4175 | */ | |
4176 | static int | |
4177 | qla1280_abort_isp(struct scsi_qla_host *ha) | |
4178 | { | |
4179 | struct device_reg __iomem *reg = ha->iobase; | |
4180 | struct srb *sp; | |
4181 | int status = 0; | |
4182 | int cnt; | |
4183 | int bus; | |
4184 | ||
4185 | ENTER("qla1280_abort_isp"); | |
4186 | ||
4187 | if (ha->flags.abort_isp_active || !ha->flags.online) | |
4188 | goto out; | |
4189 | ||
4190 | ha->flags.abort_isp_active = 1; | |
4191 | ||
4192 | /* Disable ISP interrupts. */ | |
4193 | qla1280_disable_intrs(ha); | |
4194 | WRT_REG_WORD(®->host_cmd, HC_PAUSE_RISC); | |
4195 | RD_REG_WORD(®->id_l); | |
4196 | ||
4197 | printk(KERN_INFO "scsi(%li): dequeuing outstanding commands\n", | |
4198 | ha->host_no); | |
4199 | /* Dequeue all commands in outstanding command list. */ | |
4200 | for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
4201 | struct scsi_cmnd *cmd; | |
4202 | sp = ha->outstanding_cmds[cnt]; | |
4203 | if (sp) { | |
4204 | ||
4205 | cmd = sp->cmd; | |
4206 | CMD_RESULT(cmd) = DID_RESET << 16; | |
4207 | ||
4208 | sp->cmd = NULL; | |
4209 | ha->outstanding_cmds[cnt] = NULL; | |
4210 | ||
4211 | (*cmd->scsi_done)(cmd); | |
4212 | ||
4213 | sp->flags = 0; | |
4214 | } | |
4215 | } | |
4216 | ||
4217 | status = qla1280_load_firmware(ha); | |
4218 | if (status) | |
4219 | goto out; | |
4220 | ||
4221 | /* Setup adapter based on NVRAM parameters. */ | |
4222 | qla1280_nvram_config (ha); | |
4223 | ||
4224 | status = qla1280_init_rings(ha); | |
4225 | if (status) | |
4226 | goto out; | |
4227 | ||
4228 | /* Issue SCSI reset. */ | |
4229 | for (bus = 0; bus < ha->ports; bus++) | |
4230 | qla1280_bus_reset(ha, bus); | |
4231 | ||
4232 | ha->flags.abort_isp_active = 0; | |
4233 | out: | |
4234 | if (status) { | |
4235 | printk(KERN_WARNING | |
4236 | "qla1280: ISP error recovery failed, board disabled"); | |
4237 | qla1280_reset_adapter(ha); | |
4238 | dprintk(2, "qla1280_abort_isp: **** FAILED ****\n"); | |
4239 | } | |
4240 | ||
4241 | LEAVE("qla1280_abort_isp"); | |
4242 | return status; | |
4243 | } | |
4244 | ||
4245 | ||
4246 | /* | |
4247 | * qla1280_debounce_register | |
4248 | * Debounce register. | |
4249 | * | |
4250 | * Input: | |
4251 | * port = register address. | |
4252 | * | |
4253 | * Returns: | |
4254 | * register value. | |
4255 | */ | |
4256 | static u16 | |
4257 | qla1280_debounce_register(volatile u16 __iomem * addr) | |
4258 | { | |
4259 | volatile u16 ret; | |
4260 | volatile u16 ret2; | |
4261 | ||
4262 | ret = RD_REG_WORD(addr); | |
4263 | ret2 = RD_REG_WORD(addr); | |
4264 | ||
4265 | if (ret == ret2) | |
4266 | return ret; | |
4267 | ||
4268 | do { | |
4269 | cpu_relax(); | |
4270 | ret = RD_REG_WORD(addr); | |
4271 | ret2 = RD_REG_WORD(addr); | |
4272 | } while (ret != ret2); | |
4273 | ||
4274 | return ret; | |
4275 | } | |
4276 | ||
4277 | ||
4278 | /************************************************************************ | |
4279 | * qla1280_check_for_dead_scsi_bus * | |
4280 | * * | |
4281 | * This routine checks for a dead SCSI bus * | |
4282 | ************************************************************************/ | |
4283 | #define SET_SXP_BANK 0x0100 | |
4284 | #define SCSI_PHASE_INVALID 0x87FF | |
4285 | static int | |
4286 | qla1280_check_for_dead_scsi_bus(struct scsi_qla_host *ha, unsigned int bus) | |
4287 | { | |
4288 | uint16_t config_reg, scsi_control; | |
4289 | struct device_reg __iomem *reg = ha->iobase; | |
4290 | ||
4291 | if (ha->bus_settings[bus].scsi_bus_dead) { | |
4292 | WRT_REG_WORD(®->host_cmd, HC_PAUSE_RISC); | |
4293 | config_reg = RD_REG_WORD(®->cfg_1); | |
4294 | WRT_REG_WORD(®->cfg_1, SET_SXP_BANK); | |
4295 | scsi_control = RD_REG_WORD(®->scsiControlPins); | |
4296 | WRT_REG_WORD(®->cfg_1, config_reg); | |
4297 | WRT_REG_WORD(®->host_cmd, HC_RELEASE_RISC); | |
4298 | ||
4299 | if (scsi_control == SCSI_PHASE_INVALID) { | |
4300 | ha->bus_settings[bus].scsi_bus_dead = 1; | |
4301 | #if 0 | |
4302 | CMD_RESULT(cp) = DID_NO_CONNECT << 16; | |
4303 | CMD_HANDLE(cp) = INVALID_HANDLE; | |
4304 | /* ha->actthreads--; */ | |
4305 | ||
4306 | (*(cp)->scsi_done)(cp); | |
4307 | #endif | |
4308 | return 1; /* bus is dead */ | |
4309 | } else { | |
4310 | ha->bus_settings[bus].scsi_bus_dead = 0; | |
4311 | ha->bus_settings[bus].failed_reset_count = 0; | |
4312 | } | |
4313 | } | |
4314 | return 0; /* bus is not dead */ | |
4315 | } | |
4316 | ||
4317 | static void | |
4318 | qla1280_get_target_parameters(struct scsi_qla_host *ha, | |
4319 | struct scsi_device *device) | |
4320 | { | |
4321 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
4322 | int bus, target, lun; | |
4323 | ||
4324 | bus = device->channel; | |
4325 | target = device->id; | |
4326 | lun = device->lun; | |
4327 | ||
4328 | ||
4329 | mb[0] = MBC_GET_TARGET_PARAMETERS; | |
4330 | mb[1] = (uint16_t) (bus ? target | BIT_7 : target); | |
4331 | mb[1] <<= 8; | |
4332 | qla1280_mailbox_command(ha, BIT_6 | BIT_3 | BIT_2 | BIT_1 | BIT_0, | |
4333 | &mb[0]); | |
4334 | ||
4335 | printk(KERN_INFO "scsi(%li:%d:%d:%d):", ha->host_no, bus, target, lun); | |
4336 | ||
4337 | if (mb[3] != 0) { | |
4338 | printk(" Sync: period %d, offset %d", | |
4339 | (mb[3] & 0xff), (mb[3] >> 8)); | |
4340 | if (mb[2] & BIT_13) | |
4341 | printk(", Wide"); | |
4342 | if ((mb[2] & BIT_5) && ((mb[6] >> 8) & 0xff) >= 2) | |
4343 | printk(", DT"); | |
4344 | } else | |
4345 | printk(" Async"); | |
4346 | ||
4347 | if (DEV_SIMPLE_TAGS(device)) | |
4348 | printk(", Tagged queuing: depth %d", device->queue_depth); | |
4349 | printk("\n"); | |
4350 | } | |
4351 | ||
4352 | ||
4353 | #if DEBUG_QLA1280 | |
4354 | static void | |
4355 | __qla1280_dump_buffer(char *b, int size) | |
4356 | { | |
4357 | int cnt; | |
4358 | u8 c; | |
4359 | ||
4360 | printk(KERN_DEBUG " 0 1 2 3 4 5 6 7 8 9 Ah " | |
4361 | "Bh Ch Dh Eh Fh\n"); | |
4362 | printk(KERN_DEBUG "---------------------------------------------" | |
4363 | "------------------\n"); | |
4364 | ||
4365 | for (cnt = 0; cnt < size;) { | |
4366 | c = *b++; | |
4367 | ||
4368 | printk("0x%02x", c); | |
4369 | cnt++; | |
4370 | if (!(cnt % 16)) | |
4371 | printk("\n"); | |
4372 | else | |
4373 | printk(" "); | |
4374 | } | |
4375 | if (cnt % 16) | |
4376 | printk("\n"); | |
4377 | } | |
4378 | ||
4379 | /************************************************************************** | |
4380 | * ql1280_print_scsi_cmd | |
4381 | * | |
4382 | **************************************************************************/ | |
4383 | static void | |
4384 | __qla1280_print_scsi_cmd(struct scsi_cmnd *cmd) | |
4385 | { | |
4386 | struct scsi_qla_host *ha; | |
4387 | struct Scsi_Host *host = CMD_HOST(cmd); | |
4388 | struct srb *sp; | |
4389 | /* struct scatterlist *sg; */ | |
4390 | ||
4391 | int i; | |
4392 | ha = (struct scsi_qla_host *)host->hostdata; | |
4393 | ||
4394 | sp = (struct srb *)CMD_SP(cmd); | |
4395 | printk("SCSI Command @= 0x%p, Handle=0x%p\n", cmd, CMD_HANDLE(cmd)); | |
4396 | printk(" chan=%d, target = 0x%02x, lun = 0x%02x, cmd_len = 0x%02x\n", | |
4397 | SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd), | |
4398 | CMD_CDBLEN(cmd)); | |
4399 | printk(" CDB = "); | |
4400 | for (i = 0; i < cmd->cmd_len; i++) { | |
4401 | printk("0x%02x ", cmd->cmnd[i]); | |
4402 | } | |
4403 | printk(" seg_cnt =%d\n", cmd->use_sg); | |
4404 | printk(" request buffer=0x%p, request buffer len=0x%x\n", | |
4405 | cmd->request_buffer, cmd->request_bufflen); | |
4406 | /* if (cmd->use_sg) | |
4407 | { | |
4408 | sg = (struct scatterlist *) cmd->request_buffer; | |
4409 | printk(" SG buffer: \n"); | |
4410 | qla1280_dump_buffer(1, (char *)sg, (cmd->use_sg*sizeof(struct scatterlist))); | |
4411 | } */ | |
4412 | printk(" tag=%d, transfersize=0x%x \n", | |
4413 | cmd->tag, cmd->transfersize); | |
4414 | printk(" Pid=%li, SP=0x%p\n", cmd->pid, CMD_SP(cmd)); | |
4415 | printk(" underflow size = 0x%x, direction=0x%x\n", | |
4416 | cmd->underflow, cmd->sc_data_direction); | |
4417 | } | |
4418 | ||
4419 | /************************************************************************** | |
4420 | * ql1280_dump_device | |
4421 | * | |
4422 | **************************************************************************/ | |
4423 | static void | |
4424 | ql1280_dump_device(struct scsi_qla_host *ha) | |
4425 | { | |
4426 | ||
4427 | struct scsi_cmnd *cp; | |
4428 | struct srb *sp; | |
4429 | int i; | |
4430 | ||
4431 | printk(KERN_DEBUG "Outstanding Commands on controller:\n"); | |
4432 | ||
4433 | for (i = 0; i < MAX_OUTSTANDING_COMMANDS; i++) { | |
4434 | if ((sp = ha->outstanding_cmds[i]) == NULL) | |
4435 | continue; | |
4436 | if ((cp = sp->cmd) == NULL) | |
4437 | continue; | |
4438 | qla1280_print_scsi_cmd(1, cp); | |
4439 | } | |
4440 | } | |
4441 | #endif | |
4442 | ||
4443 | ||
4444 | enum tokens { | |
4445 | TOKEN_NVRAM, | |
4446 | TOKEN_SYNC, | |
4447 | TOKEN_WIDE, | |
4448 | TOKEN_PPR, | |
4449 | TOKEN_VERBOSE, | |
4450 | TOKEN_DEBUG, | |
4451 | }; | |
4452 | ||
4453 | struct setup_tokens { | |
4454 | char *token; | |
4455 | int val; | |
4456 | }; | |
4457 | ||
4458 | static struct setup_tokens setup_token[] __initdata = | |
4459 | { | |
4460 | { "nvram", TOKEN_NVRAM }, | |
4461 | { "sync", TOKEN_SYNC }, | |
4462 | { "wide", TOKEN_WIDE }, | |
4463 | { "ppr", TOKEN_PPR }, | |
4464 | { "verbose", TOKEN_VERBOSE }, | |
4465 | { "debug", TOKEN_DEBUG }, | |
4466 | }; | |
4467 | ||
4468 | ||
4469 | /************************************************************************** | |
4470 | * qla1280_setup | |
4471 | * | |
4472 | * Handle boot parameters. This really needs to be changed so one | |
4473 | * can specify per adapter parameters. | |
4474 | **************************************************************************/ | |
4475 | static int __init | |
4476 | qla1280_setup(char *s) | |
4477 | { | |
4478 | char *cp, *ptr; | |
4479 | unsigned long val; | |
4480 | int toke; | |
4481 | ||
4482 | cp = s; | |
4483 | ||
4484 | while (cp && (ptr = strchr(cp, ':'))) { | |
4485 | ptr++; | |
4486 | if (!strcmp(ptr, "yes")) { | |
4487 | val = 0x10000; | |
4488 | ptr += 3; | |
4489 | } else if (!strcmp(ptr, "no")) { | |
4490 | val = 0; | |
4491 | ptr += 2; | |
4492 | } else | |
4493 | val = simple_strtoul(ptr, &ptr, 0); | |
4494 | ||
4495 | switch ((toke = qla1280_get_token(cp))) { | |
4496 | case TOKEN_NVRAM: | |
4497 | if (!val) | |
4498 | driver_setup.no_nvram = 1; | |
4499 | break; | |
4500 | case TOKEN_SYNC: | |
4501 | if (!val) | |
4502 | driver_setup.no_sync = 1; | |
4503 | else if (val != 0x10000) | |
4504 | driver_setup.sync_mask = val; | |
4505 | break; | |
4506 | case TOKEN_WIDE: | |
4507 | if (!val) | |
4508 | driver_setup.no_wide = 1; | |
4509 | else if (val != 0x10000) | |
4510 | driver_setup.wide_mask = val; | |
4511 | break; | |
4512 | case TOKEN_PPR: | |
4513 | if (!val) | |
4514 | driver_setup.no_ppr = 1; | |
4515 | else if (val != 0x10000) | |
4516 | driver_setup.ppr_mask = val; | |
4517 | break; | |
4518 | case TOKEN_VERBOSE: | |
4519 | qla1280_verbose = val; | |
4520 | break; | |
4521 | default: | |
4522 | printk(KERN_INFO "qla1280: unknown boot option %s\n", | |
4523 | cp); | |
4524 | } | |
4525 | ||
4526 | cp = strchr(ptr, ';'); | |
4527 | if (cp) | |
4528 | cp++; | |
4529 | else { | |
4530 | break; | |
4531 | } | |
4532 | } | |
4533 | return 1; | |
4534 | } | |
4535 | ||
4536 | ||
4537 | static int | |
4538 | qla1280_get_token(char *str) | |
4539 | { | |
4540 | char *sep; | |
4541 | long ret = -1; | |
4542 | int i, len; | |
4543 | ||
4544 | len = sizeof(setup_token)/sizeof(struct setup_tokens); | |
4545 | ||
4546 | sep = strchr(str, ':'); | |
4547 | ||
4548 | if (sep) { | |
4549 | for (i = 0; i < len; i++){ | |
4550 | ||
4551 | if (!strncmp(setup_token[i].token, str, (sep - str))) { | |
4552 | ret = setup_token[i].val; | |
4553 | break; | |
4554 | } | |
4555 | } | |
4556 | } | |
4557 | ||
4558 | return ret; | |
4559 | } | |
4560 | ||
4561 | #if LINUX_VERSION_CODE >= 0x020600 | |
4562 | static struct scsi_host_template qla1280_driver_template = { | |
4563 | .module = THIS_MODULE, | |
4564 | .proc_name = "qla1280", | |
4565 | .name = "Qlogic ISP 1280/12160", | |
4566 | .info = qla1280_info, | |
4567 | .slave_configure = qla1280_slave_configure, | |
4568 | .queuecommand = qla1280_queuecommand, | |
4569 | .eh_abort_handler = qla1280_eh_abort, | |
4570 | .eh_device_reset_handler= qla1280_eh_device_reset, | |
4571 | .eh_bus_reset_handler = qla1280_eh_bus_reset, | |
4572 | .eh_host_reset_handler = qla1280_eh_adapter_reset, | |
4573 | .bios_param = qla1280_biosparam, | |
4574 | .can_queue = 0xfffff, | |
4575 | .this_id = -1, | |
4576 | .sg_tablesize = SG_ALL, | |
4577 | .cmd_per_lun = 1, | |
4578 | .use_clustering = ENABLE_CLUSTERING, | |
4579 | }; | |
4580 | #else | |
4581 | static Scsi_Host_Template qla1280_driver_template = { | |
4582 | .proc_name = "qla1280", | |
4583 | .name = "Qlogic ISP 1280/12160", | |
4584 | .detect = qla1280_detect, | |
4585 | .release = qla1280_release, | |
4586 | .info = qla1280_info, | |
4587 | .queuecommand = qla1280_queuecommand, | |
4588 | .eh_abort_handler = qla1280_eh_abort, | |
4589 | .eh_device_reset_handler= qla1280_eh_device_reset, | |
4590 | .eh_bus_reset_handler = qla1280_eh_bus_reset, | |
4591 | .eh_host_reset_handler = qla1280_eh_adapter_reset, | |
4592 | .bios_param = qla1280_biosparam_old, | |
4593 | .can_queue = 0xfffff, | |
4594 | .this_id = -1, | |
4595 | .sg_tablesize = SG_ALL, | |
4596 | .cmd_per_lun = 1, | |
4597 | .use_clustering = ENABLE_CLUSTERING, | |
4598 | .use_new_eh_code = 1, | |
4599 | }; | |
4600 | #endif | |
4601 | ||
4602 | static int __devinit | |
4603 | qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) | |
4604 | { | |
4605 | int devnum = id->driver_data; | |
4606 | struct qla_boards *bdp = &ql1280_board_tbl[devnum]; | |
4607 | struct Scsi_Host *host; | |
4608 | struct scsi_qla_host *ha; | |
4609 | int error = -ENODEV; | |
4610 | ||
4611 | /* Bypass all AMI SUBSYS VENDOR IDs */ | |
4612 | if (pdev->subsystem_vendor == PCI_VENDOR_ID_AMI) { | |
4613 | printk(KERN_INFO | |
4614 | "qla1280: Skipping AMI SubSys Vendor ID Chip\n"); | |
4615 | goto error; | |
4616 | } | |
4617 | ||
4618 | printk(KERN_INFO "qla1280: %s found on PCI bus %i, dev %i\n", | |
4619 | bdp->name, pdev->bus->number, PCI_SLOT(pdev->devfn)); | |
4620 | ||
4621 | if (pci_enable_device(pdev)) { | |
4622 | printk(KERN_WARNING | |
4623 | "qla1280: Failed to enabled pci device, aborting.\n"); | |
4624 | goto error; | |
4625 | } | |
4626 | ||
4627 | pci_set_master(pdev); | |
4628 | ||
4629 | error = -ENOMEM; | |
4630 | host = scsi_host_alloc(&qla1280_driver_template, sizeof(*ha)); | |
4631 | if (!host) { | |
4632 | printk(KERN_WARNING | |
4633 | "qla1280: Failed to register host, aborting.\n"); | |
4634 | goto error_disable_device; | |
4635 | } | |
4636 | ||
4637 | ha = (struct scsi_qla_host *)host->hostdata; | |
4638 | memset(ha, 0, sizeof(struct scsi_qla_host)); | |
4639 | ||
4640 | ha->pdev = pdev; | |
4641 | ha->devnum = devnum; /* specifies microcode load address */ | |
4642 | ||
4643 | #ifdef QLA_64BIT_PTR | |
4644 | if (pci_set_dma_mask(ha->pdev, (dma_addr_t) ~ 0ULL)) { | |
4645 | if (pci_set_dma_mask(ha->pdev, 0xffffffff)) { | |
4646 | printk(KERN_WARNING "scsi(%li): Unable to set a " | |
4647 | " suitable DMA mask - aboring\n", ha->host_no); | |
4648 | error = -ENODEV; | |
4649 | goto error_free_irq; | |
4650 | } | |
4651 | } else | |
4652 | dprintk(2, "scsi(%li): 64 Bit PCI Addressing Enabled\n", | |
4653 | ha->host_no); | |
4654 | #else | |
4655 | if (pci_set_dma_mask(ha->pdev, 0xffffffff)) { | |
4656 | printk(KERN_WARNING "scsi(%li): Unable to set a " | |
4657 | " suitable DMA mask - aboring\n", ha->host_no); | |
4658 | error = -ENODEV; | |
4659 | goto error_free_irq; | |
4660 | } | |
4661 | #endif | |
4662 | ||
4663 | ha->request_ring = pci_alloc_consistent(ha->pdev, | |
4664 | ((REQUEST_ENTRY_CNT + 1) * (sizeof(request_t))), | |
4665 | &ha->request_dma); | |
4666 | if (!ha->request_ring) { | |
4667 | printk(KERN_INFO "qla1280: Failed to get request memory\n"); | |
4668 | goto error_put_host; | |
4669 | } | |
4670 | ||
4671 | ha->response_ring = pci_alloc_consistent(ha->pdev, | |
4672 | ((RESPONSE_ENTRY_CNT + 1) * (sizeof(struct response))), | |
4673 | &ha->response_dma); | |
4674 | if (!ha->response_ring) { | |
4675 | printk(KERN_INFO "qla1280: Failed to get response memory\n"); | |
4676 | goto error_free_request_ring; | |
4677 | } | |
4678 | ||
4679 | ha->ports = bdp->numPorts; | |
4680 | ||
4681 | ha->host = host; | |
4682 | ha->host_no = host->host_no; | |
4683 | ||
4684 | host->irq = pdev->irq; | |
4685 | host->max_channel = bdp->numPorts - 1; | |
4686 | host->max_lun = MAX_LUNS - 1; | |
4687 | host->max_id = MAX_TARGETS; | |
4688 | host->max_sectors = 1024; | |
4689 | host->unique_id = host->host_no; | |
4690 | ||
4691 | #if LINUX_VERSION_CODE < 0x020545 | |
4692 | host->select_queue_depths = qla1280_select_queue_depth; | |
4693 | #endif | |
4694 | ||
4695 | error = -ENODEV; | |
4696 | ||
4697 | #if MEMORY_MAPPED_IO | |
4698 | ha->mmpbase = ioremap(pci_resource_start(ha->pdev, 1), | |
4699 | pci_resource_len(ha->pdev, 1)); | |
4700 | if (!ha->mmpbase) { | |
4701 | printk(KERN_INFO "qla1280: Unable to map I/O memory\n"); | |
4702 | goto error_free_response_ring; | |
4703 | } | |
4704 | ||
4705 | host->base = (unsigned long)ha->mmpbase; | |
4706 | ha->iobase = (struct device_reg __iomem *)ha->mmpbase; | |
4707 | #else | |
4708 | host->io_port = pci_resource_start(ha->pdev, 0); | |
4709 | if (!request_region(host->io_port, 0xff, "qla1280")) { | |
4710 | printk(KERN_INFO "qla1280: Failed to reserve i/o region " | |
4711 | "0x%04lx-0x%04lx - already in use\n", | |
4712 | host->io_port, host->io_port + 0xff); | |
4713 | goto error_free_response_ring; | |
4714 | } | |
4715 | ||
4716 | ha->iobase = (struct device_reg *)host->io_port; | |
4717 | #endif | |
4718 | ||
4719 | INIT_LIST_HEAD(&ha->done_q); | |
4720 | ||
4721 | /* Disable ISP interrupts. */ | |
4722 | qla1280_disable_intrs(ha); | |
4723 | ||
4724 | if (request_irq(pdev->irq, qla1280_intr_handler, SA_SHIRQ, | |
4725 | "qla1280", ha)) { | |
4726 | printk("qla1280 : Failed to reserve interrupt %d already " | |
4727 | "in use\n", pdev->irq); | |
4728 | goto error_release_region; | |
4729 | } | |
4730 | ||
4731 | /* load the F/W, read paramaters, and init the H/W */ | |
4732 | if (qla1280_initialize_adapter(ha)) { | |
4733 | printk(KERN_INFO "qla1x160: Failed to initialize adapter\n"); | |
4734 | goto error_free_irq; | |
4735 | } | |
4736 | ||
4737 | /* set our host ID (need to do something about our two IDs) */ | |
4738 | host->this_id = ha->bus_settings[0].id; | |
4739 | ||
4740 | pci_set_drvdata(pdev, host); | |
4741 | ||
4742 | #if LINUX_VERSION_CODE >= 0x020600 | |
4743 | error = scsi_add_host(host, &pdev->dev); | |
4744 | if (error) | |
4745 | goto error_disable_adapter; | |
4746 | scsi_scan_host(host); | |
4747 | #else | |
4748 | scsi_set_pci_device(host, pdev); | |
4749 | #endif | |
4750 | ||
4751 | return 0; | |
4752 | ||
4753 | #if LINUX_VERSION_CODE >= 0x020600 | |
4754 | error_disable_adapter: | |
4755 | WRT_REG_WORD(&ha->iobase->ictrl, 0); | |
4756 | #endif | |
4757 | error_free_irq: | |
4758 | free_irq(pdev->irq, ha); | |
4759 | error_release_region: | |
4760 | #if MEMORY_MAPPED_IO | |
4761 | iounmap(ha->mmpbase); | |
4762 | #else | |
4763 | release_region(host->io_port, 0xff); | |
4764 | #endif | |
4765 | error_free_response_ring: | |
4766 | pci_free_consistent(ha->pdev, | |
4767 | ((RESPONSE_ENTRY_CNT + 1) * (sizeof(struct response))), | |
4768 | ha->response_ring, ha->response_dma); | |
4769 | error_free_request_ring: | |
4770 | pci_free_consistent(ha->pdev, | |
4771 | ((REQUEST_ENTRY_CNT + 1) * (sizeof(request_t))), | |
4772 | ha->request_ring, ha->request_dma); | |
4773 | error_put_host: | |
4774 | scsi_host_put(host); | |
4775 | error_disable_device: | |
4776 | pci_disable_device(pdev); | |
4777 | error: | |
4778 | return error; | |
4779 | } | |
4780 | ||
4781 | ||
4782 | static void __devexit | |
4783 | qla1280_remove_one(struct pci_dev *pdev) | |
4784 | { | |
4785 | struct Scsi_Host *host = pci_get_drvdata(pdev); | |
4786 | struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata; | |
4787 | ||
4788 | #if LINUX_VERSION_CODE >= 0x020600 | |
4789 | scsi_remove_host(host); | |
4790 | #endif | |
4791 | ||
4792 | WRT_REG_WORD(&ha->iobase->ictrl, 0); | |
4793 | ||
4794 | free_irq(pdev->irq, ha); | |
4795 | ||
4796 | #if MEMORY_MAPPED_IO | |
4797 | iounmap(ha->mmpbase); | |
4798 | #else | |
4799 | release_region(host->io_port, 0xff); | |
4800 | #endif | |
4801 | ||
4802 | pci_free_consistent(ha->pdev, | |
4803 | ((REQUEST_ENTRY_CNT + 1) * (sizeof(request_t))), | |
4804 | ha->request_ring, ha->request_dma); | |
4805 | pci_free_consistent(ha->pdev, | |
4806 | ((RESPONSE_ENTRY_CNT + 1) * (sizeof(struct response))), | |
4807 | ha->response_ring, ha->response_dma); | |
4808 | ||
4809 | pci_disable_device(pdev); | |
4810 | ||
4811 | scsi_host_put(host); | |
4812 | } | |
4813 | ||
4814 | #if LINUX_VERSION_CODE >= 0x020600 | |
4815 | static struct pci_driver qla1280_pci_driver = { | |
4816 | .name = "qla1280", | |
4817 | .id_table = qla1280_pci_tbl, | |
4818 | .probe = qla1280_probe_one, | |
4819 | .remove = __devexit_p(qla1280_remove_one), | |
4820 | }; | |
4821 | ||
4822 | static int __init | |
4823 | qla1280_init(void) | |
4824 | { | |
4825 | if (sizeof(struct srb) > sizeof(struct scsi_pointer)) { | |
4826 | printk(KERN_WARNING | |
4827 | "qla1280: struct srb too big, aborting\n"); | |
4828 | return -EINVAL; | |
4829 | } | |
4830 | ||
4831 | #ifdef MODULE | |
4832 | /* | |
4833 | * If we are called as a module, the qla1280 pointer may not be null | |
4834 | * and it would point to our bootup string, just like on the lilo | |
4835 | * command line. IF not NULL, then process this config string with | |
4836 | * qla1280_setup | |
4837 | * | |
4838 | * Boot time Options | |
4839 | * To add options at boot time add a line to your lilo.conf file like: | |
4840 | * append="qla1280=verbose,max_tags:{{255,255,255,255},{255,255,255,255}}" | |
4841 | * which will result in the first four devices on the first two | |
4842 | * controllers being set to a tagged queue depth of 32. | |
4843 | */ | |
4844 | if (qla1280) | |
4845 | qla1280_setup(qla1280); | |
4846 | #endif | |
4847 | ||
4848 | return pci_module_init(&qla1280_pci_driver); | |
4849 | } | |
4850 | ||
4851 | static void __exit | |
4852 | qla1280_exit(void) | |
4853 | { | |
4854 | pci_unregister_driver(&qla1280_pci_driver); | |
4855 | } | |
4856 | ||
4857 | module_init(qla1280_init); | |
4858 | module_exit(qla1280_exit); | |
4859 | ||
4860 | #else | |
4861 | # define driver_template qla1280_driver_template | |
4862 | # include "scsi_module.c" | |
4863 | #endif | |
4864 | ||
4865 | MODULE_AUTHOR("Qlogic & Jes Sorensen"); | |
4866 | MODULE_DESCRIPTION("Qlogic ISP SCSI (qla1x80/qla1x160) driver"); | |
4867 | MODULE_LICENSE("GPL"); | |
4868 | MODULE_VERSION(QLA1280_VERSION); | |
4869 | ||
4870 | /* | |
4871 | * Overrides for Emacs so that we almost follow Linus's tabbing style. | |
4872 | * Emacs will notice this stuff at the end of the file and automatically | |
4873 | * adjust the settings for this buffer only. This must remain at the end | |
4874 | * of the file. | |
4875 | * --------------------------------------------------------------------------- | |
4876 | * Local variables: | |
4877 | * c-basic-offset: 8 | |
4878 | * tab-width: 8 | |
4879 | * End: | |
4880 | */ |