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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 | { | |
df0ae249 JG |
1149 | int rc; |
1150 | ||
1151 | spin_lock_irq(cmd->device->host->host_lock); | |
1152 | rc = qla1280_error_action(cmd, ADAPTER_RESET); | |
1153 | spin_unlock_irq(cmd->device->host->host_lock); | |
1154 | ||
1155 | return rc; | |
1da177e4 LT |
1156 | } |
1157 | ||
1158 | static int | |
1159 | qla1280_biosparam(struct scsi_device *sdev, struct block_device *bdev, | |
1160 | sector_t capacity, int geom[]) | |
1161 | { | |
1162 | int heads, sectors, cylinders; | |
1163 | ||
1164 | heads = 64; | |
1165 | sectors = 32; | |
1166 | cylinders = (unsigned long)capacity / (heads * sectors); | |
1167 | if (cylinders > 1024) { | |
1168 | heads = 255; | |
1169 | sectors = 63; | |
1170 | cylinders = (unsigned long)capacity / (heads * sectors); | |
1171 | /* if (cylinders > 1023) | |
1172 | cylinders = 1023; */ | |
1173 | } | |
1174 | ||
1175 | geom[0] = heads; | |
1176 | geom[1] = sectors; | |
1177 | geom[2] = cylinders; | |
1178 | ||
1179 | return 0; | |
1180 | } | |
1181 | ||
1182 | #if LINUX_VERSION_CODE < 0x020600 | |
1183 | static int | |
1184 | qla1280_detect(Scsi_Host_Template *template) | |
1185 | { | |
1186 | struct pci_device_id *id = &qla1280_pci_tbl[0]; | |
1187 | struct pci_dev *pdev = NULL; | |
1188 | int num_hosts = 0; | |
1189 | ||
1190 | if (sizeof(struct srb) > sizeof(Scsi_Pointer)) { | |
1191 | printk(KERN_WARNING | |
1192 | "qla1280: struct srb too big, aborting\n"); | |
1193 | return 0; | |
1194 | } | |
1195 | ||
1196 | if ((DMA_BIDIRECTIONAL != PCI_DMA_BIDIRECTIONAL) || | |
1197 | (DMA_TO_DEVICE != PCI_DMA_TODEVICE) || | |
1198 | (DMA_FROM_DEVICE != PCI_DMA_FROMDEVICE) || | |
1199 | (DMA_NONE != PCI_DMA_NONE)) { | |
1200 | printk(KERN_WARNING | |
1201 | "qla1280: dma direction bits don't match\n"); | |
1202 | return 0; | |
1203 | } | |
1204 | ||
1205 | #ifdef MODULE | |
1206 | /* | |
1207 | * If we are called as a module, the qla1280 pointer may not be null | |
1208 | * and it would point to our bootup string, just like on the lilo | |
1209 | * command line. IF not NULL, then process this config string with | |
1210 | * qla1280_setup | |
1211 | * | |
1212 | * Boot time Options | |
1213 | * To add options at boot time add a line to your lilo.conf file like: | |
1214 | * append="qla1280=verbose,max_tags:{{255,255,255,255},{255,255,255,255}}" | |
1215 | * which will result in the first four devices on the first two | |
1216 | * controllers being set to a tagged queue depth of 32. | |
1217 | */ | |
1218 | if (qla1280) | |
1219 | qla1280_setup(qla1280); | |
1220 | #endif | |
1221 | ||
1222 | /* First Initialize QLA12160 on PCI Bus 1 Dev 2 */ | |
1223 | while ((pdev = pci_find_device(id->vendor, id->device, pdev))) { | |
1224 | if (pdev->bus->number == 1 && PCI_SLOT(pdev->devfn) == 2) { | |
1225 | if (!qla1280_probe_one(pdev, id)) | |
1226 | num_hosts++; | |
1227 | } | |
1228 | } | |
1229 | ||
1230 | pdev = NULL; | |
1231 | /* Try and find each different type of adapter we support */ | |
1232 | for (id = &qla1280_pci_tbl[0]; id->device; id++) { | |
1233 | while ((pdev = pci_find_device(id->vendor, id->device, pdev))) { | |
1234 | /* | |
1235 | * skip QLA12160 already initialized on | |
1236 | * PCI Bus 1 Dev 2 since we already initialized | |
1237 | * and presented it | |
1238 | */ | |
1239 | if (id->device == PCI_DEVICE_ID_QLOGIC_ISP12160 && | |
1240 | pdev->bus->number == 1 && | |
1241 | PCI_SLOT(pdev->devfn) == 2) | |
1242 | continue; | |
1243 | ||
1244 | if (!qla1280_probe_one(pdev, id)) | |
1245 | num_hosts++; | |
1246 | } | |
1247 | } | |
1248 | ||
1249 | return num_hosts; | |
1250 | } | |
1251 | ||
1252 | /* | |
1253 | * This looks a bit ugly as we could just pass down host to | |
1254 | * qla1280_remove_one, but I want to keep qla1280_release purely a wrapper | |
1255 | * around pci_driver::remove as used from 2.6 onwards. | |
1256 | */ | |
1257 | static int | |
1258 | qla1280_release(struct Scsi_Host *host) | |
1259 | { | |
1260 | struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata; | |
1261 | ||
1262 | qla1280_remove_one(ha->pdev); | |
1263 | return 0; | |
1264 | } | |
1265 | ||
1266 | static int | |
1267 | qla1280_biosparam_old(Disk * disk, kdev_t dev, int geom[]) | |
1268 | { | |
1269 | return qla1280_biosparam(disk->device, NULL, disk->capacity, geom); | |
1270 | } | |
1271 | #endif | |
1272 | ||
1273 | /************************************************************************** | |
1274 | * qla1280_intr_handler | |
1275 | * Handles the H/W interrupt | |
1276 | **************************************************************************/ | |
1277 | static irqreturn_t | |
1278 | qla1280_intr_handler(int irq, void *dev_id, struct pt_regs *regs) | |
1279 | { | |
1280 | struct scsi_qla_host *ha; | |
1281 | struct device_reg __iomem *reg; | |
1282 | u16 data; | |
1283 | int handled = 0; | |
1284 | ||
1285 | ENTER_INTR ("qla1280_intr_handler"); | |
1286 | ha = (struct scsi_qla_host *)dev_id; | |
1287 | ||
1288 | spin_lock(HOST_LOCK); | |
1289 | ||
1290 | ha->isr_count++; | |
1291 | reg = ha->iobase; | |
1292 | ||
1293 | WRT_REG_WORD(®->ictrl, 0); /* disable our interrupt. */ | |
1294 | ||
1295 | data = qla1280_debounce_register(®->istatus); | |
1296 | /* Check for pending interrupts. */ | |
1297 | if (data & RISC_INT) { | |
1298 | qla1280_isr(ha, &ha->done_q); | |
1299 | handled = 1; | |
1300 | } | |
1301 | if (!list_empty(&ha->done_q)) | |
1302 | qla1280_done(ha); | |
1303 | ||
1304 | spin_unlock(HOST_LOCK); | |
1305 | ||
1306 | /* enable our interrupt. */ | |
1307 | WRT_REG_WORD(®->ictrl, (ISP_EN_INT | ISP_EN_RISC)); | |
1308 | ||
1309 | LEAVE_INTR("qla1280_intr_handler"); | |
1310 | return IRQ_RETVAL(handled); | |
1311 | } | |
1312 | ||
1313 | ||
1314 | static int | |
1315 | qla1280_set_target_parameters(struct scsi_qla_host *ha, int bus, int target) | |
1316 | { | |
1317 | uint8_t mr; | |
1318 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
1319 | struct nvram *nv; | |
1320 | int status; | |
1321 | ||
1322 | nv = &ha->nvram; | |
1323 | ||
1324 | mr = BIT_3 | BIT_2 | BIT_1 | BIT_0; | |
1325 | ||
1326 | /* Set Target Parameters. */ | |
1327 | mb[0] = MBC_SET_TARGET_PARAMETERS; | |
1328 | mb[1] = (uint16_t) (bus ? target | BIT_7 : target); | |
1329 | mb[1] <<= 8; | |
1330 | ||
1331 | mb[2] = (nv->bus[bus].target[target].parameter.c << 8); | |
1332 | ||
1333 | if (IS_ISP1x160(ha)) { | |
1334 | mb[2] |= nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr << 5; | |
1335 | mb[3] = (nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8) | | |
1336 | nv->bus[bus].target[target].sync_period; | |
1337 | mb[6] = (nv->bus[bus].target[target].ppr_1x160.flags.ppr_options << 8) | | |
1338 | nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width; | |
1339 | mr |= BIT_6; | |
1340 | } else { | |
1341 | mb[3] = (nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8) | | |
1342 | nv->bus[bus].target[target].sync_period; | |
1343 | } | |
1344 | ||
1345 | status = qla1280_mailbox_command(ha, mr, &mb[0]); | |
1346 | ||
1347 | if (status) | |
1348 | printk(KERN_WARNING "scsi(%ld:%i:%i): " | |
1349 | "qla1280_set_target_parameters() failed\n", | |
1350 | ha->host_no, bus, target); | |
1351 | return status; | |
1352 | } | |
1353 | ||
1354 | ||
1355 | /************************************************************************** | |
1356 | * qla1280_slave_configure | |
1357 | * | |
1358 | * Description: | |
1359 | * Determines the queue depth for a given device. There are two ways | |
1360 | * a queue depth can be obtained for a tagged queueing device. One | |
1361 | * way is the default queue depth which is determined by whether | |
1362 | * If it is defined, then it is used | |
1363 | * as the default queue depth. Otherwise, we use either 4 or 8 as the | |
1364 | * default queue depth (dependent on the number of hardware SCBs). | |
1365 | **************************************************************************/ | |
1366 | static int | |
1367 | qla1280_slave_configure(struct scsi_device *device) | |
1368 | { | |
1369 | struct scsi_qla_host *ha; | |
1370 | int default_depth = 3; | |
1371 | int bus = device->channel; | |
1372 | int target = device->id; | |
1373 | int status = 0; | |
1374 | struct nvram *nv; | |
1375 | unsigned long flags; | |
1376 | ||
1377 | ha = (struct scsi_qla_host *)device->host->hostdata; | |
1378 | nv = &ha->nvram; | |
1379 | ||
1380 | if (qla1280_check_for_dead_scsi_bus(ha, bus)) | |
1381 | return 1; | |
1382 | ||
1383 | if (device->tagged_supported && | |
1384 | (ha->bus_settings[bus].qtag_enables & (BIT_0 << target))) { | |
1385 | scsi_adjust_queue_depth(device, MSG_ORDERED_TAG, | |
1386 | ha->bus_settings[bus].hiwat); | |
1387 | } else { | |
1388 | scsi_adjust_queue_depth(device, 0, default_depth); | |
1389 | } | |
1390 | ||
1391 | #if LINUX_VERSION_CODE > 0x020500 | |
1392 | nv->bus[bus].target[target].parameter.f.enable_sync = device->sdtr; | |
1393 | nv->bus[bus].target[target].parameter.f.enable_wide = device->wdtr; | |
1394 | nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = device->ppr; | |
1395 | #endif | |
1396 | ||
1397 | if (driver_setup.no_sync || | |
1398 | (driver_setup.sync_mask && | |
1399 | (~driver_setup.sync_mask & (1 << target)))) | |
1400 | nv->bus[bus].target[target].parameter.f.enable_sync = 0; | |
1401 | if (driver_setup.no_wide || | |
1402 | (driver_setup.wide_mask && | |
1403 | (~driver_setup.wide_mask & (1 << target)))) | |
1404 | nv->bus[bus].target[target].parameter.f.enable_wide = 0; | |
1405 | if (IS_ISP1x160(ha)) { | |
1406 | if (driver_setup.no_ppr || | |
1407 | (driver_setup.ppr_mask && | |
1408 | (~driver_setup.ppr_mask & (1 << target)))) | |
1409 | nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 0; | |
1410 | } | |
1411 | ||
1412 | spin_lock_irqsave(HOST_LOCK, flags); | |
1413 | if (nv->bus[bus].target[target].parameter.f.enable_sync) | |
1414 | status = qla1280_set_target_parameters(ha, bus, target); | |
1415 | qla1280_get_target_parameters(ha, device); | |
1416 | spin_unlock_irqrestore(HOST_LOCK, flags); | |
1417 | return status; | |
1418 | } | |
1419 | ||
1420 | #if LINUX_VERSION_CODE < 0x020545 | |
1421 | /************************************************************************** | |
1422 | * qla1280_select_queue_depth | |
1423 | * | |
1424 | * Sets the queue depth for each SCSI device hanging off the input | |
1425 | * host adapter. We use a queue depth of 2 for devices that do not | |
1426 | * support tagged queueing. | |
1427 | **************************************************************************/ | |
1428 | static void | |
1429 | qla1280_select_queue_depth(struct Scsi_Host *host, struct scsi_device *sdev_q) | |
1430 | { | |
1431 | struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata; | |
1432 | struct scsi_device *sdev; | |
1433 | ||
1434 | ENTER("qla1280_select_queue_depth"); | |
1435 | for (sdev = sdev_q; sdev; sdev = sdev->next) | |
1436 | if (sdev->host == host) | |
1437 | qla1280_slave_configure(sdev); | |
1438 | ||
1439 | if (sdev_q) | |
1440 | qla1280_check_for_dead_scsi_bus(ha, sdev_q->channel); | |
1441 | LEAVE("qla1280_select_queue_depth"); | |
1442 | } | |
1443 | #endif | |
1444 | ||
1445 | /* | |
1446 | * qla1280_done | |
1447 | * Process completed commands. | |
1448 | * | |
1449 | * Input: | |
1450 | * ha = adapter block pointer. | |
1451 | * done_q = done queue. | |
1452 | */ | |
1453 | static void | |
1454 | qla1280_done(struct scsi_qla_host *ha) | |
1455 | { | |
1456 | struct srb *sp; | |
1457 | struct list_head *done_q; | |
1458 | int bus, target, lun; | |
1459 | struct scsi_cmnd *cmd; | |
1460 | ||
1461 | ENTER("qla1280_done"); | |
1462 | ||
1463 | done_q = &ha->done_q; | |
1464 | ||
1465 | while (!list_empty(done_q)) { | |
1466 | sp = list_entry(done_q->next, struct srb, list); | |
1467 | ||
1468 | list_del(&sp->list); | |
1469 | ||
1470 | cmd = sp->cmd; | |
1471 | bus = SCSI_BUS_32(cmd); | |
1472 | target = SCSI_TCN_32(cmd); | |
1473 | lun = SCSI_LUN_32(cmd); | |
1474 | ||
1475 | switch ((CMD_RESULT(cmd) >> 16)) { | |
1476 | case DID_RESET: | |
1477 | /* Issue marker command. */ | |
1478 | qla1280_marker(ha, bus, target, 0, MK_SYNC_ID); | |
1479 | break; | |
1480 | case DID_ABORT: | |
1481 | sp->flags &= ~SRB_ABORT_PENDING; | |
1482 | sp->flags |= SRB_ABORTED; | |
1483 | if (sp->flags & SRB_TIMEOUT) | |
1484 | CMD_RESULT(sp->cmd) = DID_TIME_OUT << 16; | |
1485 | break; | |
1486 | default: | |
1487 | break; | |
1488 | } | |
1489 | ||
1490 | /* Release memory used for this I/O */ | |
1491 | if (cmd->use_sg) { | |
1492 | pci_unmap_sg(ha->pdev, cmd->request_buffer, | |
1493 | cmd->use_sg, cmd->sc_data_direction); | |
1494 | } else if (cmd->request_bufflen) { | |
1495 | pci_unmap_single(ha->pdev, sp->saved_dma_handle, | |
1496 | cmd->request_bufflen, | |
1497 | cmd->sc_data_direction); | |
1498 | } | |
1499 | ||
1500 | /* Call the mid-level driver interrupt handler */ | |
1501 | CMD_HANDLE(sp->cmd) = (unsigned char *)INVALID_HANDLE; | |
1502 | ha->actthreads--; | |
1503 | ||
1504 | #if LINUX_VERSION_CODE < 0x020500 | |
1505 | if (cmd->cmnd[0] == INQUIRY) | |
1506 | qla1280_get_target_options(cmd, ha); | |
1507 | #endif | |
1508 | (*(cmd)->scsi_done)(cmd); | |
1509 | ||
1510 | if(sp->wait != NULL) | |
1511 | complete(sp->wait); | |
1512 | } | |
1513 | LEAVE("qla1280_done"); | |
1514 | } | |
1515 | ||
1516 | /* | |
1517 | * Translates a ISP error to a Linux SCSI error | |
1518 | */ | |
1519 | static int | |
1520 | qla1280_return_status(struct response * sts, struct scsi_cmnd *cp) | |
1521 | { | |
1522 | int host_status = DID_ERROR; | |
1523 | uint16_t comp_status = le16_to_cpu(sts->comp_status); | |
1524 | uint16_t state_flags = le16_to_cpu(sts->state_flags); | |
1525 | uint16_t residual_length = le16_to_cpu(sts->residual_length); | |
1526 | uint16_t scsi_status = le16_to_cpu(sts->scsi_status); | |
1527 | #if DEBUG_QLA1280_INTR | |
1528 | static char *reason[] = { | |
1529 | "DID_OK", | |
1530 | "DID_NO_CONNECT", | |
1531 | "DID_BUS_BUSY", | |
1532 | "DID_TIME_OUT", | |
1533 | "DID_BAD_TARGET", | |
1534 | "DID_ABORT", | |
1535 | "DID_PARITY", | |
1536 | "DID_ERROR", | |
1537 | "DID_RESET", | |
1538 | "DID_BAD_INTR" | |
1539 | }; | |
1540 | #endif /* DEBUG_QLA1280_INTR */ | |
1541 | ||
1542 | ENTER("qla1280_return_status"); | |
1543 | ||
1544 | #if DEBUG_QLA1280_INTR | |
1545 | /* | |
1546 | dprintk(1, "qla1280_return_status: compl status = 0x%04x\n", | |
1547 | comp_status); | |
1548 | */ | |
1549 | #endif | |
1550 | ||
1551 | switch (comp_status) { | |
1552 | case CS_COMPLETE: | |
1553 | host_status = DID_OK; | |
1554 | break; | |
1555 | ||
1556 | case CS_INCOMPLETE: | |
1557 | if (!(state_flags & SF_GOT_BUS)) | |
1558 | host_status = DID_NO_CONNECT; | |
1559 | else if (!(state_flags & SF_GOT_TARGET)) | |
1560 | host_status = DID_BAD_TARGET; | |
1561 | else if (!(state_flags & SF_SENT_CDB)) | |
1562 | host_status = DID_ERROR; | |
1563 | else if (!(state_flags & SF_TRANSFERRED_DATA)) | |
1564 | host_status = DID_ERROR; | |
1565 | else if (!(state_flags & SF_GOT_STATUS)) | |
1566 | host_status = DID_ERROR; | |
1567 | else if (!(state_flags & SF_GOT_SENSE)) | |
1568 | host_status = DID_ERROR; | |
1569 | break; | |
1570 | ||
1571 | case CS_RESET: | |
1572 | host_status = DID_RESET; | |
1573 | break; | |
1574 | ||
1575 | case CS_ABORTED: | |
1576 | host_status = DID_ABORT; | |
1577 | break; | |
1578 | ||
1579 | case CS_TIMEOUT: | |
1580 | host_status = DID_TIME_OUT; | |
1581 | break; | |
1582 | ||
1583 | case CS_DATA_OVERRUN: | |
1584 | dprintk(2, "Data overrun 0x%x\n", residual_length); | |
1585 | dprintk(2, "qla1280_isr: response packet data\n"); | |
1586 | qla1280_dump_buffer(2, (char *)sts, RESPONSE_ENTRY_SIZE); | |
1587 | host_status = DID_ERROR; | |
1588 | break; | |
1589 | ||
1590 | case CS_DATA_UNDERRUN: | |
1591 | if ((cp->request_bufflen - residual_length) < | |
1592 | cp->underflow) { | |
1593 | printk(KERN_WARNING | |
1594 | "scsi: Underflow detected - retrying " | |
1595 | "command.\n"); | |
1596 | host_status = DID_ERROR; | |
1597 | } else | |
1598 | host_status = DID_OK; | |
1599 | break; | |
1600 | ||
1601 | default: | |
1602 | host_status = DID_ERROR; | |
1603 | break; | |
1604 | } | |
1605 | ||
1606 | #if DEBUG_QLA1280_INTR | |
1607 | dprintk(1, "qla1280 ISP status: host status (%s) scsi status %x\n", | |
1608 | reason[host_status], scsi_status); | |
1609 | #endif | |
1610 | ||
1611 | LEAVE("qla1280_return_status"); | |
1612 | ||
1613 | return (scsi_status & 0xff) | (host_status << 16); | |
1614 | } | |
1615 | ||
1616 | /****************************************************************************/ | |
1617 | /* QLogic ISP1280 Hardware Support Functions. */ | |
1618 | /****************************************************************************/ | |
1619 | ||
1620 | /* | |
1621 | * qla2100_enable_intrs | |
1622 | * qla2100_disable_intrs | |
1623 | * | |
1624 | * Input: | |
1625 | * ha = adapter block pointer. | |
1626 | * | |
1627 | * Returns: | |
1628 | * None | |
1629 | */ | |
1630 | static inline void | |
1631 | qla1280_enable_intrs(struct scsi_qla_host *ha) | |
1632 | { | |
1633 | struct device_reg __iomem *reg; | |
1634 | ||
1635 | reg = ha->iobase; | |
1636 | /* enable risc and host interrupts */ | |
1637 | WRT_REG_WORD(®->ictrl, (ISP_EN_INT | ISP_EN_RISC)); | |
1638 | RD_REG_WORD(®->ictrl); /* PCI Posted Write flush */ | |
1639 | ha->flags.ints_enabled = 1; | |
1640 | } | |
1641 | ||
1642 | static inline void | |
1643 | qla1280_disable_intrs(struct scsi_qla_host *ha) | |
1644 | { | |
1645 | struct device_reg __iomem *reg; | |
1646 | ||
1647 | reg = ha->iobase; | |
1648 | /* disable risc and host interrupts */ | |
1649 | WRT_REG_WORD(®->ictrl, 0); | |
1650 | RD_REG_WORD(®->ictrl); /* PCI Posted Write flush */ | |
1651 | ha->flags.ints_enabled = 0; | |
1652 | } | |
1653 | ||
1654 | /* | |
1655 | * qla1280_initialize_adapter | |
1656 | * Initialize board. | |
1657 | * | |
1658 | * Input: | |
1659 | * ha = adapter block pointer. | |
1660 | * | |
1661 | * Returns: | |
1662 | * 0 = success | |
1663 | */ | |
1664 | static int __devinit | |
1665 | qla1280_initialize_adapter(struct scsi_qla_host *ha) | |
1666 | { | |
1667 | struct device_reg __iomem *reg; | |
1668 | int status; | |
1669 | int bus; | |
1670 | #if LINUX_VERSION_CODE > 0x020500 | |
1671 | unsigned long flags; | |
1672 | #endif | |
1673 | ||
1674 | ENTER("qla1280_initialize_adapter"); | |
1675 | ||
1676 | /* Clear adapter flags. */ | |
1677 | ha->flags.online = 0; | |
1678 | ha->flags.disable_host_adapter = 0; | |
1679 | ha->flags.reset_active = 0; | |
1680 | ha->flags.abort_isp_active = 0; | |
1681 | ||
1682 | ha->flags.ints_enabled = 0; | |
1683 | #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) | |
1684 | if (ia64_platform_is("sn2")) { | |
1685 | printk(KERN_INFO "scsi(%li): Enabling SN2 PCI DMA " | |
1686 | "dual channel lockup workaround\n", ha->host_no); | |
1687 | ha->flags.use_pci_vchannel = 1; | |
1688 | driver_setup.no_nvram = 1; | |
1689 | } | |
1690 | #endif | |
1691 | ||
1692 | /* TODO: implement support for the 1040 nvram format */ | |
1693 | if (IS_ISP1040(ha)) | |
1694 | driver_setup.no_nvram = 1; | |
1695 | ||
1696 | dprintk(1, "Configure PCI space for adapter...\n"); | |
1697 | ||
1698 | reg = ha->iobase; | |
1699 | ||
1700 | /* Insure mailbox registers are free. */ | |
1701 | WRT_REG_WORD(®->semaphore, 0); | |
1702 | WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT); | |
1703 | WRT_REG_WORD(®->host_cmd, HC_CLR_HOST_INT); | |
1704 | RD_REG_WORD(®->host_cmd); | |
1705 | ||
1706 | if (qla1280_read_nvram(ha)) { | |
1707 | dprintk(2, "qla1280_initialize_adapter: failed to read " | |
1708 | "NVRAM\n"); | |
1709 | } | |
1710 | ||
1711 | #if LINUX_VERSION_CODE >= 0x020500 | |
1712 | /* | |
1713 | * It's necessary to grab the spin here as qla1280_mailbox_command | |
1714 | * needs to be able to drop the lock unconditionally to wait | |
1715 | * for completion. | |
1716 | * In 2.4 ->detect is called with the io_request_lock held. | |
1717 | */ | |
1718 | spin_lock_irqsave(HOST_LOCK, flags); | |
1719 | #endif | |
1720 | ||
1721 | status = qla1280_load_firmware(ha); | |
1722 | if (status) { | |
1723 | printk(KERN_ERR "scsi(%li): initialize: pci probe failed!\n", | |
1724 | ha->host_no); | |
1725 | goto out; | |
1726 | } | |
1727 | ||
1728 | /* Setup adapter based on NVRAM parameters. */ | |
1729 | dprintk(1, "scsi(%ld): Configure NVRAM parameters\n", ha->host_no); | |
1730 | qla1280_nvram_config(ha); | |
1731 | ||
1732 | if (ha->flags.disable_host_adapter) { | |
1733 | status = 1; | |
1734 | goto out; | |
1735 | } | |
1736 | ||
1737 | status = qla1280_init_rings(ha); | |
1738 | if (status) | |
1739 | goto out; | |
1740 | ||
1741 | /* Issue SCSI reset, if we can't reset twice then bus is dead */ | |
1742 | for (bus = 0; bus < ha->ports; bus++) { | |
1743 | if (!ha->bus_settings[bus].disable_scsi_reset && | |
1744 | qla1280_bus_reset(ha, bus) && | |
1745 | qla1280_bus_reset(ha, bus)) | |
1746 | ha->bus_settings[bus].scsi_bus_dead = 1; | |
1747 | } | |
1748 | ||
1749 | ha->flags.online = 1; | |
1750 | out: | |
1751 | #if LINUX_VERSION_CODE >= 0x020500 | |
1752 | spin_unlock_irqrestore(HOST_LOCK, flags); | |
1753 | #endif | |
1754 | if (status) | |
1755 | dprintk(2, "qla1280_initialize_adapter: **** FAILED ****\n"); | |
1756 | ||
1757 | LEAVE("qla1280_initialize_adapter"); | |
1758 | return status; | |
1759 | } | |
1760 | ||
1761 | ||
1762 | /* | |
1763 | * ISP Firmware Test | |
1764 | * Checks if present version of RISC firmware is older than | |
1765 | * driver firmware. | |
1766 | * | |
1767 | * Input: | |
1768 | * ha = adapter block pointer. | |
1769 | * | |
1770 | * Returns: | |
1771 | * 0 = firmware does not need to be loaded. | |
1772 | */ | |
1773 | static int | |
1774 | qla1280_isp_firmware(struct scsi_qla_host *ha) | |
1775 | { | |
1776 | struct nvram *nv = (struct nvram *) ha->response_ring; | |
1777 | int status = 0; /* dg 2/27 always loads RISC */ | |
1778 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
1779 | ||
1780 | ENTER("qla1280_isp_firmware"); | |
1781 | ||
1782 | dprintk(1, "scsi(%li): Determining if RISC is loaded\n", ha->host_no); | |
1783 | ||
1784 | /* Bad NVRAM data, load RISC code. */ | |
1785 | if (!ha->nvram_valid) { | |
1786 | ha->flags.disable_risc_code_load = 0; | |
1787 | } else | |
1788 | ha->flags.disable_risc_code_load = | |
1789 | nv->cntr_flags_1.disable_loading_risc_code; | |
1790 | ||
1791 | if (ha->flags.disable_risc_code_load) { | |
1792 | dprintk(3, "qla1280_isp_firmware: Telling RISC to verify " | |
1793 | "checksum of loaded BIOS code.\n"); | |
1794 | ||
1795 | /* Verify checksum of loaded RISC code. */ | |
1796 | mb[0] = MBC_VERIFY_CHECKSUM; | |
1797 | /* mb[1] = ql12_risc_code_addr01; */ | |
1798 | mb[1] = *ql1280_board_tbl[ha->devnum].fwstart; | |
1799 | ||
1800 | if (!(status = | |
1801 | qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]))) { | |
1802 | /* Start firmware execution. */ | |
1803 | dprintk(3, "qla1280_isp_firmware: Startng F/W " | |
1804 | "execution.\n"); | |
1805 | ||
1806 | mb[0] = MBC_EXECUTE_FIRMWARE; | |
1807 | /* mb[1] = ql12_risc_code_addr01; */ | |
1808 | mb[1] = *ql1280_board_tbl[ha->devnum].fwstart; | |
1809 | qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); | |
1810 | } else | |
1811 | printk(KERN_INFO "qla1280: RISC checksum failed.\n"); | |
1812 | } else { | |
1813 | dprintk(1, "qla1280: NVRAM configured to load RISC load.\n"); | |
1814 | status = 1; | |
1815 | } | |
1816 | ||
1817 | if (status) | |
1818 | dprintk(2, "qla1280_isp_firmware: **** Load RISC code ****\n"); | |
1819 | ||
1820 | LEAVE("qla1280_isp_firmware"); | |
1821 | return status; | |
1822 | } | |
1823 | ||
1824 | /* | |
1825 | * Chip diagnostics | |
1826 | * Test chip for proper operation. | |
1827 | * | |
1828 | * Input: | |
1829 | * ha = adapter block pointer. | |
1830 | * | |
1831 | * Returns: | |
1832 | * 0 = success. | |
1833 | */ | |
1834 | static int | |
1835 | qla1280_chip_diag(struct scsi_qla_host *ha) | |
1836 | { | |
1837 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
1838 | struct device_reg __iomem *reg = ha->iobase; | |
1839 | int status = 0; | |
1840 | int cnt; | |
1841 | uint16_t data; | |
1842 | dprintk(3, "qla1280_chip_diag: testing device at 0x%p \n", ®->id_l); | |
1843 | ||
1844 | dprintk(1, "scsi(%ld): Verifying chip\n", ha->host_no); | |
1845 | ||
1846 | /* Soft reset chip and wait for it to finish. */ | |
1847 | WRT_REG_WORD(®->ictrl, ISP_RESET); | |
1848 | ||
1849 | /* | |
1850 | * We can't do a traditional PCI write flush here by reading | |
1851 | * back the register. The card will not respond once the reset | |
1852 | * is in action and we end up with a machine check exception | |
1853 | * instead. Nothing to do but wait and hope for the best. | |
1854 | * A portable pci_write_flush(pdev) call would be very useful here. | |
1855 | */ | |
1856 | udelay(20); | |
1857 | data = qla1280_debounce_register(®->ictrl); | |
1858 | /* | |
1859 | * Yet another QLogic gem ;-( | |
1860 | */ | |
1861 | for (cnt = 1000000; cnt && data & ISP_RESET; cnt--) { | |
1862 | udelay(5); | |
1863 | data = RD_REG_WORD(®->ictrl); | |
1864 | } | |
1865 | ||
1866 | if (!cnt) | |
1867 | goto fail; | |
1868 | ||
1869 | /* Reset register cleared by chip reset. */ | |
1870 | dprintk(3, "qla1280_chip_diag: reset register cleared by chip reset\n"); | |
1871 | ||
1872 | WRT_REG_WORD(®->cfg_1, 0); | |
1873 | ||
1874 | /* Reset RISC and disable BIOS which | |
1875 | allows RISC to execute out of RAM. */ | |
1876 | WRT_REG_WORD(®->host_cmd, HC_RESET_RISC | | |
1877 | HC_RELEASE_RISC | HC_DISABLE_BIOS); | |
1878 | ||
1879 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
1880 | data = qla1280_debounce_register(®->mailbox0); | |
1881 | ||
1882 | /* | |
1883 | * I *LOVE* this code! | |
1884 | */ | |
1885 | for (cnt = 1000000; cnt && data == MBS_BUSY; cnt--) { | |
1886 | udelay(5); | |
1887 | data = RD_REG_WORD(®->mailbox0); | |
1888 | } | |
1889 | ||
1890 | if (!cnt) | |
1891 | goto fail; | |
1892 | ||
1893 | /* Check product ID of chip */ | |
1894 | dprintk(3, "qla1280_chip_diag: Checking product ID of chip\n"); | |
1895 | ||
1896 | if (RD_REG_WORD(®->mailbox1) != PROD_ID_1 || | |
1897 | (RD_REG_WORD(®->mailbox2) != PROD_ID_2 && | |
1898 | RD_REG_WORD(®->mailbox2) != PROD_ID_2a) || | |
1899 | RD_REG_WORD(®->mailbox3) != PROD_ID_3 || | |
1900 | RD_REG_WORD(®->mailbox4) != PROD_ID_4) { | |
1901 | printk(KERN_INFO "qla1280: Wrong product ID = " | |
1902 | "0x%x,0x%x,0x%x,0x%x\n", | |
1903 | RD_REG_WORD(®->mailbox1), | |
1904 | RD_REG_WORD(®->mailbox2), | |
1905 | RD_REG_WORD(®->mailbox3), | |
1906 | RD_REG_WORD(®->mailbox4)); | |
1907 | goto fail; | |
1908 | } | |
1909 | ||
1910 | /* | |
1911 | * Enable ints early!!! | |
1912 | */ | |
1913 | qla1280_enable_intrs(ha); | |
1914 | ||
1915 | dprintk(1, "qla1280_chip_diag: Checking mailboxes of chip\n"); | |
1916 | /* Wrap Incoming Mailboxes Test. */ | |
1917 | mb[0] = MBC_MAILBOX_REGISTER_TEST; | |
1918 | mb[1] = 0xAAAA; | |
1919 | mb[2] = 0x5555; | |
1920 | mb[3] = 0xAA55; | |
1921 | mb[4] = 0x55AA; | |
1922 | mb[5] = 0xA5A5; | |
1923 | mb[6] = 0x5A5A; | |
1924 | mb[7] = 0x2525; | |
1925 | ||
1926 | status = qla1280_mailbox_command(ha, 0xff, mb); | |
1927 | if (status) | |
1928 | goto fail; | |
1929 | ||
1930 | if (mb[1] != 0xAAAA || mb[2] != 0x5555 || mb[3] != 0xAA55 || | |
1931 | mb[4] != 0x55AA || mb[5] != 0xA5A5 || mb[6] != 0x5A5A || | |
1932 | mb[7] != 0x2525) { | |
1933 | printk(KERN_INFO "qla1280: Failed mbox check\n"); | |
1934 | goto fail; | |
1935 | } | |
1936 | ||
1937 | dprintk(3, "qla1280_chip_diag: exiting normally\n"); | |
1938 | return 0; | |
1939 | fail: | |
1940 | dprintk(2, "qla1280_chip_diag: **** FAILED ****\n"); | |
1941 | return status; | |
1942 | } | |
1943 | ||
1944 | static int | |
1945 | qla1280_load_firmware_pio(struct scsi_qla_host *ha) | |
1946 | { | |
1947 | uint16_t risc_address, *risc_code_address, risc_code_size; | |
1948 | uint16_t mb[MAILBOX_REGISTER_COUNT], i; | |
1949 | int err; | |
1950 | ||
1951 | /* Load RISC code. */ | |
1952 | risc_address = *ql1280_board_tbl[ha->devnum].fwstart; | |
1953 | risc_code_address = ql1280_board_tbl[ha->devnum].fwcode; | |
1954 | risc_code_size = *ql1280_board_tbl[ha->devnum].fwlen; | |
1955 | ||
1956 | for (i = 0; i < risc_code_size; i++) { | |
1957 | mb[0] = MBC_WRITE_RAM_WORD; | |
1958 | mb[1] = risc_address + i; | |
1959 | mb[2] = risc_code_address[i]; | |
1960 | ||
1961 | err = qla1280_mailbox_command(ha, BIT_0 | BIT_1 | BIT_2, mb); | |
1962 | if (err) { | |
1963 | printk(KERN_ERR "scsi(%li): Failed to load firmware\n", | |
1964 | ha->host_no); | |
1965 | return err; | |
1966 | } | |
1967 | } | |
1968 | ||
1969 | return 0; | |
1970 | } | |
1971 | ||
1972 | #define DUMP_IT_BACK 0 /* for debug of RISC loading */ | |
1973 | static int | |
1974 | qla1280_load_firmware_dma(struct scsi_qla_host *ha) | |
1975 | { | |
1976 | uint16_t risc_address, *risc_code_address, risc_code_size; | |
1977 | uint16_t mb[MAILBOX_REGISTER_COUNT], cnt; | |
1978 | int err = 0, num, i; | |
1979 | #if DUMP_IT_BACK | |
1980 | uint8_t *sp, *tbuf; | |
1981 | dma_addr_t p_tbuf; | |
1982 | ||
1983 | tbuf = pci_alloc_consistent(ha->pdev, 8000, &p_tbuf); | |
1984 | if (!tbuf) | |
1985 | return -ENOMEM; | |
1986 | #endif | |
1987 | ||
1988 | /* Load RISC code. */ | |
1989 | risc_address = *ql1280_board_tbl[ha->devnum].fwstart; | |
1990 | risc_code_address = ql1280_board_tbl[ha->devnum].fwcode; | |
1991 | risc_code_size = *ql1280_board_tbl[ha->devnum].fwlen; | |
1992 | ||
1993 | dprintk(1, "%s: DMA RISC code (%i) words\n", | |
1994 | __FUNCTION__, risc_code_size); | |
1995 | ||
1996 | num = 0; | |
1997 | while (risc_code_size > 0) { | |
1998 | int warn __attribute__((unused)) = 0; | |
1999 | ||
2000 | cnt = 2000 >> 1; | |
2001 | ||
2002 | if (cnt > risc_code_size) | |
2003 | cnt = risc_code_size; | |
2004 | ||
2005 | dprintk(2, "qla1280_setup_chip: loading risc @ =(0x%p)," | |
2006 | "%d,%d(0x%x)\n", | |
2007 | risc_code_address, cnt, num, risc_address); | |
2008 | for(i = 0; i < cnt; i++) | |
2009 | ((uint16_t *)ha->request_ring)[i] = | |
2010 | cpu_to_le16(risc_code_address[i]); | |
2011 | ||
2012 | mb[0] = MBC_LOAD_RAM; | |
2013 | mb[1] = risc_address; | |
2014 | mb[4] = cnt; | |
2015 | mb[3] = ha->request_dma & 0xffff; | |
2016 | mb[2] = (ha->request_dma >> 16) & 0xffff; | |
2017 | mb[7] = pci_dma_hi32(ha->request_dma) & 0xffff; | |
2018 | mb[6] = pci_dma_hi32(ha->request_dma) >> 16; | |
2019 | dprintk(2, "%s: op=%d 0x%p = 0x%4x,0x%4x,0x%4x,0x%4x\n", | |
2020 | __FUNCTION__, mb[0], | |
2021 | (void *)(long)ha->request_dma, | |
2022 | mb[6], mb[7], mb[2], mb[3]); | |
2023 | err = qla1280_mailbox_command(ha, BIT_4 | BIT_3 | BIT_2 | | |
2024 | BIT_1 | BIT_0, mb); | |
2025 | if (err) { | |
2026 | printk(KERN_ERR "scsi(%li): Failed to load partial " | |
2027 | "segment of f\n", ha->host_no); | |
2028 | goto out; | |
2029 | } | |
2030 | ||
2031 | #if DUMP_IT_BACK | |
2032 | mb[0] = MBC_DUMP_RAM; | |
2033 | mb[1] = risc_address; | |
2034 | mb[4] = cnt; | |
2035 | mb[3] = p_tbuf & 0xffff; | |
2036 | mb[2] = (p_tbuf >> 16) & 0xffff; | |
2037 | mb[7] = pci_dma_hi32(p_tbuf) & 0xffff; | |
2038 | mb[6] = pci_dma_hi32(p_tbuf) >> 16; | |
2039 | ||
2040 | err = qla1280_mailbox_command(ha, BIT_4 | BIT_3 | BIT_2 | | |
2041 | BIT_1 | BIT_0, mb); | |
2042 | if (err) { | |
2043 | printk(KERN_ERR | |
2044 | "Failed to dump partial segment of f/w\n"); | |
2045 | goto out; | |
2046 | } | |
2047 | sp = (uint8_t *)ha->request_ring; | |
2048 | for (i = 0; i < (cnt << 1); i++) { | |
2049 | if (tbuf[i] != sp[i] && warn++ < 10) { | |
2050 | printk(KERN_ERR "%s: FW compare error @ " | |
2051 | "byte(0x%x) loop#=%x\n", | |
2052 | __FUNCTION__, i, num); | |
2053 | printk(KERN_ERR "%s: FWbyte=%x " | |
2054 | "FWfromChip=%x\n", | |
2055 | __FUNCTION__, sp[i], tbuf[i]); | |
2056 | /*break; */ | |
2057 | } | |
2058 | } | |
2059 | #endif | |
2060 | risc_address += cnt; | |
2061 | risc_code_size = risc_code_size - cnt; | |
2062 | risc_code_address = risc_code_address + cnt; | |
2063 | num++; | |
2064 | } | |
2065 | ||
2066 | out: | |
2067 | #if DUMP_IT_BACK | |
2068 | pci_free_consistent(ha->pdev, 8000, tbuf, p_tbuf); | |
2069 | #endif | |
2070 | return err; | |
2071 | } | |
2072 | ||
2073 | static int | |
2074 | qla1280_start_firmware(struct scsi_qla_host *ha) | |
2075 | { | |
2076 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2077 | int err; | |
2078 | ||
2079 | dprintk(1, "%s: Verifying checksum of loaded RISC code.\n", | |
2080 | __FUNCTION__); | |
2081 | ||
2082 | /* Verify checksum of loaded RISC code. */ | |
2083 | mb[0] = MBC_VERIFY_CHECKSUM; | |
2084 | /* mb[1] = ql12_risc_code_addr01; */ | |
2085 | mb[1] = *ql1280_board_tbl[ha->devnum].fwstart; | |
2086 | err = qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); | |
2087 | if (err) { | |
2088 | printk(KERN_ERR "scsi(%li): Failed checksum\n", ha->host_no); | |
2089 | return err; | |
2090 | } | |
2091 | ||
2092 | /* Start firmware execution. */ | |
2093 | dprintk(1, "%s: start firmware running.\n", __FUNCTION__); | |
2094 | mb[0] = MBC_EXECUTE_FIRMWARE; | |
2095 | mb[1] = *ql1280_board_tbl[ha->devnum].fwstart; | |
2096 | err = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); | |
2097 | if (err) { | |
2098 | printk(KERN_ERR "scsi(%li): Failed to start firmware\n", | |
2099 | ha->host_no); | |
2100 | } | |
2101 | ||
2102 | return err; | |
2103 | } | |
2104 | ||
2105 | static int | |
2106 | qla1280_load_firmware(struct scsi_qla_host *ha) | |
2107 | { | |
2108 | int err = -ENODEV; | |
2109 | ||
2110 | /* If firmware needs to be loaded */ | |
2111 | if (!qla1280_isp_firmware(ha)) { | |
2112 | printk(KERN_ERR "scsi(%li): isp_firmware() failed!\n", | |
2113 | ha->host_no); | |
2114 | goto out; | |
2115 | } | |
2116 | ||
2117 | err = qla1280_chip_diag(ha); | |
2118 | if (err) | |
2119 | goto out; | |
2120 | if (IS_ISP1040(ha)) | |
2121 | err = qla1280_load_firmware_pio(ha); | |
2122 | else | |
2123 | err = qla1280_load_firmware_dma(ha); | |
2124 | if (err) | |
2125 | goto out; | |
2126 | err = qla1280_start_firmware(ha); | |
2127 | out: | |
2128 | return err; | |
2129 | } | |
2130 | ||
2131 | /* | |
2132 | * Initialize rings | |
2133 | * | |
2134 | * Input: | |
2135 | * ha = adapter block pointer. | |
2136 | * ha->request_ring = request ring virtual address | |
2137 | * ha->response_ring = response ring virtual address | |
2138 | * ha->request_dma = request ring physical address | |
2139 | * ha->response_dma = response ring physical address | |
2140 | * | |
2141 | * Returns: | |
2142 | * 0 = success. | |
2143 | */ | |
2144 | static int | |
2145 | qla1280_init_rings(struct scsi_qla_host *ha) | |
2146 | { | |
2147 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2148 | int status = 0; | |
2149 | ||
2150 | ENTER("qla1280_init_rings"); | |
2151 | ||
2152 | /* Clear outstanding commands array. */ | |
2153 | memset(ha->outstanding_cmds, 0, | |
2154 | sizeof(struct srb *) * MAX_OUTSTANDING_COMMANDS); | |
2155 | ||
2156 | /* Initialize request queue. */ | |
2157 | ha->request_ring_ptr = ha->request_ring; | |
2158 | ha->req_ring_index = 0; | |
2159 | ha->req_q_cnt = REQUEST_ENTRY_CNT; | |
2160 | /* mb[0] = MBC_INIT_REQUEST_QUEUE; */ | |
2161 | mb[0] = MBC_INIT_REQUEST_QUEUE_A64; | |
2162 | mb[1] = REQUEST_ENTRY_CNT; | |
2163 | mb[3] = ha->request_dma & 0xffff; | |
2164 | mb[2] = (ha->request_dma >> 16) & 0xffff; | |
2165 | mb[4] = 0; | |
2166 | mb[7] = pci_dma_hi32(ha->request_dma) & 0xffff; | |
2167 | mb[6] = pci_dma_hi32(ha->request_dma) >> 16; | |
2168 | if (!(status = qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_4 | | |
2169 | BIT_3 | BIT_2 | BIT_1 | BIT_0, | |
2170 | &mb[0]))) { | |
2171 | /* Initialize response queue. */ | |
2172 | ha->response_ring_ptr = ha->response_ring; | |
2173 | ha->rsp_ring_index = 0; | |
2174 | /* mb[0] = MBC_INIT_RESPONSE_QUEUE; */ | |
2175 | mb[0] = MBC_INIT_RESPONSE_QUEUE_A64; | |
2176 | mb[1] = RESPONSE_ENTRY_CNT; | |
2177 | mb[3] = ha->response_dma & 0xffff; | |
2178 | mb[2] = (ha->response_dma >> 16) & 0xffff; | |
2179 | mb[5] = 0; | |
2180 | mb[7] = pci_dma_hi32(ha->response_dma) & 0xffff; | |
2181 | mb[6] = pci_dma_hi32(ha->response_dma) >> 16; | |
2182 | status = qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_5 | | |
2183 | BIT_3 | BIT_2 | BIT_1 | BIT_0, | |
2184 | &mb[0]); | |
2185 | } | |
2186 | ||
2187 | if (status) | |
2188 | dprintk(2, "qla1280_init_rings: **** FAILED ****\n"); | |
2189 | ||
2190 | LEAVE("qla1280_init_rings"); | |
2191 | return status; | |
2192 | } | |
2193 | ||
2194 | static void | |
2195 | qla1280_print_settings(struct nvram *nv) | |
2196 | { | |
2197 | dprintk(1, "qla1280 : initiator scsi id bus[0]=%d\n", | |
2198 | nv->bus[0].config_1.initiator_id); | |
2199 | dprintk(1, "qla1280 : initiator scsi id bus[1]=%d\n", | |
2200 | nv->bus[1].config_1.initiator_id); | |
2201 | ||
2202 | dprintk(1, "qla1280 : bus reset delay[0]=%d\n", | |
2203 | nv->bus[0].bus_reset_delay); | |
2204 | dprintk(1, "qla1280 : bus reset delay[1]=%d\n", | |
2205 | nv->bus[1].bus_reset_delay); | |
2206 | ||
2207 | dprintk(1, "qla1280 : retry count[0]=%d\n", nv->bus[0].retry_count); | |
2208 | dprintk(1, "qla1280 : retry delay[0]=%d\n", nv->bus[0].retry_delay); | |
2209 | dprintk(1, "qla1280 : retry count[1]=%d\n", nv->bus[1].retry_count); | |
2210 | dprintk(1, "qla1280 : retry delay[1]=%d\n", nv->bus[1].retry_delay); | |
2211 | ||
2212 | dprintk(1, "qla1280 : async data setup time[0]=%d\n", | |
2213 | nv->bus[0].config_2.async_data_setup_time); | |
2214 | dprintk(1, "qla1280 : async data setup time[1]=%d\n", | |
2215 | nv->bus[1].config_2.async_data_setup_time); | |
2216 | ||
2217 | dprintk(1, "qla1280 : req/ack active negation[0]=%d\n", | |
2218 | nv->bus[0].config_2.req_ack_active_negation); | |
2219 | dprintk(1, "qla1280 : req/ack active negation[1]=%d\n", | |
2220 | nv->bus[1].config_2.req_ack_active_negation); | |
2221 | ||
2222 | dprintk(1, "qla1280 : data line active negation[0]=%d\n", | |
2223 | nv->bus[0].config_2.data_line_active_negation); | |
2224 | dprintk(1, "qla1280 : data line active negation[1]=%d\n", | |
2225 | nv->bus[1].config_2.data_line_active_negation); | |
2226 | ||
2227 | dprintk(1, "qla1280 : disable loading risc code=%d\n", | |
2228 | nv->cntr_flags_1.disable_loading_risc_code); | |
2229 | ||
2230 | dprintk(1, "qla1280 : enable 64bit addressing=%d\n", | |
2231 | nv->cntr_flags_1.enable_64bit_addressing); | |
2232 | ||
2233 | dprintk(1, "qla1280 : selection timeout limit[0]=%d\n", | |
2234 | nv->bus[0].selection_timeout); | |
2235 | dprintk(1, "qla1280 : selection timeout limit[1]=%d\n", | |
2236 | nv->bus[1].selection_timeout); | |
2237 | ||
2238 | dprintk(1, "qla1280 : max queue depth[0]=%d\n", | |
2239 | nv->bus[0].max_queue_depth); | |
2240 | dprintk(1, "qla1280 : max queue depth[1]=%d\n", | |
2241 | nv->bus[1].max_queue_depth); | |
2242 | } | |
2243 | ||
2244 | static void | |
2245 | qla1280_set_target_defaults(struct scsi_qla_host *ha, int bus, int target) | |
2246 | { | |
2247 | struct nvram *nv = &ha->nvram; | |
2248 | ||
2249 | nv->bus[bus].target[target].parameter.f.renegotiate_on_error = 1; | |
2250 | nv->bus[bus].target[target].parameter.f.auto_request_sense = 1; | |
2251 | nv->bus[bus].target[target].parameter.f.tag_queuing = 1; | |
2252 | nv->bus[bus].target[target].parameter.f.enable_sync = 1; | |
2253 | #if 1 /* Some SCSI Processors do not seem to like this */ | |
2254 | nv->bus[bus].target[target].parameter.f.enable_wide = 1; | |
2255 | #endif | |
2256 | nv->bus[bus].target[target].parameter.f.parity_checking = 1; | |
2257 | nv->bus[bus].target[target].parameter.f.disconnect_allowed = 1; | |
2258 | nv->bus[bus].target[target].execution_throttle = | |
2259 | nv->bus[bus].max_queue_depth - 1; | |
2260 | ||
2261 | if (IS_ISP1x160(ha)) { | |
2262 | nv->bus[bus].target[target].flags.flags1x160.device_enable = 1; | |
2263 | nv->bus[bus].target[target].flags.flags1x160.sync_offset = 0x0e; | |
2264 | nv->bus[bus].target[target].sync_period = 9; | |
2265 | nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 1; | |
2266 | nv->bus[bus].target[target].ppr_1x160.flags.ppr_options = 2; | |
2267 | nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width = 1; | |
2268 | } else { | |
2269 | nv->bus[bus].target[target].flags.flags1x80.device_enable = 1; | |
2270 | nv->bus[bus].target[target].flags.flags1x80.sync_offset = 12; | |
2271 | nv->bus[bus].target[target].sync_period = 10; | |
2272 | } | |
2273 | } | |
2274 | ||
2275 | static void | |
2276 | qla1280_set_defaults(struct scsi_qla_host *ha) | |
2277 | { | |
2278 | struct nvram *nv = &ha->nvram; | |
2279 | int bus, target; | |
2280 | ||
2281 | dprintk(1, "Using defaults for NVRAM: \n"); | |
2282 | memset(nv, 0, sizeof(struct nvram)); | |
2283 | ||
2284 | /* nv->cntr_flags_1.disable_loading_risc_code = 1; */ | |
2285 | nv->firmware_feature.f.enable_fast_posting = 1; | |
2286 | nv->firmware_feature.f.disable_synchronous_backoff = 1; | |
2287 | nv->termination.f.scsi_bus_0_control = 3; | |
2288 | nv->termination.f.scsi_bus_1_control = 3; | |
2289 | nv->termination.f.auto_term_support = 1; | |
2290 | ||
2291 | /* | |
2292 | * Set default FIFO magic - What appropriate values would be here | |
2293 | * is unknown. This is what I have found testing with 12160s. | |
2294 | * | |
2295 | * Now, I would love the magic decoder ring for this one, the | |
2296 | * header file provided by QLogic seems to be bogus or incomplete | |
2297 | * at best. | |
2298 | */ | |
2299 | nv->isp_config.c = ISP_CFG1_BENAB|ISP_CFG1_F128; | |
2300 | if (IS_ISP1x160(ha)) | |
2301 | nv->isp_parameter = 0x01; /* fast memory enable */ | |
2302 | ||
2303 | for (bus = 0; bus < MAX_BUSES; bus++) { | |
2304 | nv->bus[bus].config_1.initiator_id = 7; | |
2305 | nv->bus[bus].config_2.req_ack_active_negation = 1; | |
2306 | nv->bus[bus].config_2.data_line_active_negation = 1; | |
2307 | nv->bus[bus].selection_timeout = 250; | |
2308 | nv->bus[bus].max_queue_depth = 256; | |
2309 | ||
2310 | if (IS_ISP1040(ha)) { | |
2311 | nv->bus[bus].bus_reset_delay = 3; | |
2312 | nv->bus[bus].config_2.async_data_setup_time = 6; | |
2313 | nv->bus[bus].retry_delay = 1; | |
2314 | } else { | |
2315 | nv->bus[bus].bus_reset_delay = 5; | |
2316 | nv->bus[bus].config_2.async_data_setup_time = 8; | |
2317 | } | |
2318 | ||
2319 | for (target = 0; target < MAX_TARGETS; target++) | |
2320 | qla1280_set_target_defaults(ha, bus, target); | |
2321 | } | |
2322 | } | |
2323 | ||
2324 | static int | |
2325 | qla1280_config_target(struct scsi_qla_host *ha, int bus, int target) | |
2326 | { | |
2327 | struct nvram *nv = &ha->nvram; | |
2328 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2329 | int status, lun; | |
2330 | ||
2331 | /* Set Target Parameters. */ | |
2332 | mb[0] = MBC_SET_TARGET_PARAMETERS; | |
2333 | mb[1] = (uint16_t) (bus ? target | BIT_7 : target); | |
2334 | mb[1] <<= 8; | |
2335 | ||
2336 | /* | |
2337 | * Do not enable wide, sync, and ppr for the initial | |
2338 | * INQUIRY run. We enable this later if we determine | |
2339 | * the target actually supports it. | |
2340 | */ | |
2341 | nv->bus[bus].target[target].parameter.f. | |
2342 | auto_request_sense = 1; | |
2343 | nv->bus[bus].target[target].parameter.f. | |
2344 | stop_queue_on_check = 0; | |
2345 | ||
2346 | if (IS_ISP1x160(ha)) | |
2347 | nv->bus[bus].target[target].ppr_1x160. | |
2348 | flags.enable_ppr = 0; | |
2349 | ||
2350 | /* | |
2351 | * No sync, wide, etc. while probing | |
2352 | */ | |
2353 | mb[2] = (nv->bus[bus].target[target].parameter.c << 8) & | |
2354 | ~(TP_SYNC /*| TP_WIDE | TP_PPR*/); | |
2355 | ||
2356 | if (IS_ISP1x160(ha)) | |
2357 | mb[3] = nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8; | |
2358 | else | |
2359 | mb[3] = nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8; | |
2360 | mb[3] |= nv->bus[bus].target[target].sync_period; | |
2361 | ||
2362 | status = qla1280_mailbox_command(ha, BIT_3 | BIT_2 | BIT_1 | BIT_0, &mb[0]); | |
2363 | ||
2364 | /* Save Tag queuing enable flag. */ | |
2365 | mb[0] = BIT_0 << target; | |
2366 | if (nv->bus[bus].target[target].parameter.f.tag_queuing) | |
2367 | ha->bus_settings[bus].qtag_enables |= mb[0]; | |
2368 | ||
2369 | /* Save Device enable flag. */ | |
2370 | if (IS_ISP1x160(ha)) { | |
2371 | if (nv->bus[bus].target[target].flags.flags1x160.device_enable) | |
2372 | ha->bus_settings[bus].device_enables |= mb[0]; | |
2373 | ha->bus_settings[bus].lun_disables |= 0; | |
2374 | } else { | |
2375 | if (nv->bus[bus].target[target].flags.flags1x80.device_enable) | |
2376 | ha->bus_settings[bus].device_enables |= mb[0]; | |
2377 | /* Save LUN disable flag. */ | |
2378 | if (nv->bus[bus].target[target].flags.flags1x80.lun_disable) | |
2379 | ha->bus_settings[bus].lun_disables |= mb[0]; | |
2380 | } | |
2381 | ||
2382 | /* Set Device Queue Parameters. */ | |
2383 | for (lun = 0; lun < MAX_LUNS; lun++) { | |
2384 | mb[0] = MBC_SET_DEVICE_QUEUE; | |
2385 | mb[1] = (uint16_t)(bus ? target | BIT_7 : target); | |
2386 | mb[1] = mb[1] << 8 | lun; | |
2387 | mb[2] = nv->bus[bus].max_queue_depth; | |
2388 | mb[3] = nv->bus[bus].target[target].execution_throttle; | |
2389 | status |= qla1280_mailbox_command(ha, 0x0f, &mb[0]); | |
2390 | } | |
2391 | ||
2392 | return status; | |
2393 | } | |
2394 | ||
2395 | static int | |
2396 | qla1280_config_bus(struct scsi_qla_host *ha, int bus) | |
2397 | { | |
2398 | struct nvram *nv = &ha->nvram; | |
2399 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2400 | int target, status; | |
2401 | ||
2402 | /* SCSI Reset Disable. */ | |
2403 | ha->bus_settings[bus].disable_scsi_reset = | |
2404 | nv->bus[bus].config_1.scsi_reset_disable; | |
2405 | ||
2406 | /* Initiator ID. */ | |
2407 | ha->bus_settings[bus].id = nv->bus[bus].config_1.initiator_id; | |
2408 | mb[0] = MBC_SET_INITIATOR_ID; | |
2409 | mb[1] = bus ? ha->bus_settings[bus].id | BIT_7 : | |
2410 | ha->bus_settings[bus].id; | |
2411 | status = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); | |
2412 | ||
2413 | /* Reset Delay. */ | |
2414 | ha->bus_settings[bus].bus_reset_delay = | |
2415 | nv->bus[bus].bus_reset_delay; | |
2416 | ||
2417 | /* Command queue depth per device. */ | |
2418 | ha->bus_settings[bus].hiwat = nv->bus[bus].max_queue_depth - 1; | |
2419 | ||
2420 | /* Set target parameters. */ | |
2421 | for (target = 0; target < MAX_TARGETS; target++) | |
2422 | status |= qla1280_config_target(ha, bus, target); | |
2423 | ||
2424 | return status; | |
2425 | } | |
2426 | ||
2427 | static int | |
2428 | qla1280_nvram_config(struct scsi_qla_host *ha) | |
2429 | { | |
2430 | struct device_reg __iomem *reg = ha->iobase; | |
2431 | struct nvram *nv = &ha->nvram; | |
2432 | int bus, target, status = 0; | |
2433 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2434 | uint16_t mask; | |
2435 | ||
2436 | ENTER("qla1280_nvram_config"); | |
2437 | ||
2438 | if (ha->nvram_valid) { | |
2439 | /* Always force AUTO sense for LINUX SCSI */ | |
2440 | for (bus = 0; bus < MAX_BUSES; bus++) | |
2441 | for (target = 0; target < MAX_TARGETS; target++) { | |
2442 | nv->bus[bus].target[target].parameter.f. | |
2443 | auto_request_sense = 1; | |
2444 | } | |
2445 | } else { | |
2446 | qla1280_set_defaults(ha); | |
2447 | } | |
2448 | ||
2449 | qla1280_print_settings(nv); | |
2450 | ||
2451 | /* Disable RISC load of firmware. */ | |
2452 | ha->flags.disable_risc_code_load = | |
2453 | nv->cntr_flags_1.disable_loading_risc_code; | |
2454 | ||
2455 | if (IS_ISP1040(ha)) { | |
2456 | uint16_t hwrev, cfg1, cdma_conf, ddma_conf; | |
2457 | ||
2458 | hwrev = RD_REG_WORD(®->cfg_0) & ISP_CFG0_HWMSK; | |
2459 | ||
2460 | cfg1 = RD_REG_WORD(®->cfg_1); | |
2461 | cdma_conf = RD_REG_WORD(®->cdma_cfg); | |
2462 | ddma_conf = RD_REG_WORD(®->ddma_cfg); | |
2463 | ||
2464 | /* Busted fifo, says mjacob. */ | |
2465 | if (hwrev == ISP_CFG0_1040A) | |
2466 | WRT_REG_WORD(®->cfg_1, cfg1 | ISP_CFG1_F64); | |
2467 | else | |
2468 | WRT_REG_WORD(®->cfg_1, cfg1 | ISP_CFG1_F64 | ISP_CFG1_BENAB); | |
2469 | ||
2470 | WRT_REG_WORD(®->cdma_cfg, cdma_conf | CDMA_CONF_BENAB); | |
2471 | WRT_REG_WORD(®->ddma_cfg, cdma_conf | DDMA_CONF_BENAB); | |
2472 | } else { | |
2473 | /* Set ISP hardware DMA burst */ | |
2474 | mb[0] = nv->isp_config.c; | |
2475 | /* Enable DMA arbitration on dual channel controllers */ | |
2476 | if (ha->ports > 1) | |
2477 | mb[0] |= BIT_13; | |
2478 | WRT_REG_WORD(®->cfg_1, mb[0]); | |
2479 | ||
2480 | /* Set SCSI termination. */ | |
2481 | WRT_REG_WORD(®->gpio_enable, (BIT_3 + BIT_2 + BIT_1 + BIT_0)); | |
2482 | mb[0] = nv->termination.c & (BIT_3 + BIT_2 + BIT_1 + BIT_0); | |
2483 | WRT_REG_WORD(®->gpio_data, mb[0]); | |
2484 | } | |
2485 | ||
2486 | /* ISP parameter word. */ | |
2487 | mb[0] = MBC_SET_SYSTEM_PARAMETER; | |
2488 | mb[1] = nv->isp_parameter; | |
2489 | status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); | |
2490 | ||
2491 | if (IS_ISP1x40(ha)) { | |
2492 | /* clock rate - for qla1240 and older, only */ | |
2493 | mb[0] = MBC_SET_CLOCK_RATE; | |
2494 | mb[1] = 40; | |
2495 | status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); | |
2496 | } | |
2497 | ||
2498 | /* Firmware feature word. */ | |
2499 | mb[0] = MBC_SET_FIRMWARE_FEATURES; | |
2500 | mask = BIT_5 | BIT_1 | BIT_0; | |
2501 | mb[1] = le16_to_cpu(nv->firmware_feature.w) & (mask); | |
2502 | #if defined(CONFIG_IA64_GENERIC) || defined (CONFIG_IA64_SGI_SN2) | |
2503 | if (ia64_platform_is("sn2")) { | |
2504 | printk(KERN_INFO "scsi(%li): Enabling SN2 PCI DMA " | |
2505 | "workaround\n", ha->host_no); | |
2506 | mb[1] |= BIT_9; | |
2507 | } | |
2508 | #endif | |
2509 | status |= qla1280_mailbox_command(ha, mask, &mb[0]); | |
2510 | ||
2511 | /* Retry count and delay. */ | |
2512 | mb[0] = MBC_SET_RETRY_COUNT; | |
2513 | mb[1] = nv->bus[0].retry_count; | |
2514 | mb[2] = nv->bus[0].retry_delay; | |
2515 | mb[6] = nv->bus[1].retry_count; | |
2516 | mb[7] = nv->bus[1].retry_delay; | |
2517 | status |= qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_2 | | |
2518 | BIT_1 | BIT_0, &mb[0]); | |
2519 | ||
2520 | /* ASYNC data setup time. */ | |
2521 | mb[0] = MBC_SET_ASYNC_DATA_SETUP; | |
2522 | mb[1] = nv->bus[0].config_2.async_data_setup_time; | |
2523 | mb[2] = nv->bus[1].config_2.async_data_setup_time; | |
2524 | status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); | |
2525 | ||
2526 | /* Active negation states. */ | |
2527 | mb[0] = MBC_SET_ACTIVE_NEGATION; | |
2528 | mb[1] = 0; | |
2529 | if (nv->bus[0].config_2.req_ack_active_negation) | |
2530 | mb[1] |= BIT_5; | |
2531 | if (nv->bus[0].config_2.data_line_active_negation) | |
2532 | mb[1] |= BIT_4; | |
2533 | mb[2] = 0; | |
2534 | if (nv->bus[1].config_2.req_ack_active_negation) | |
2535 | mb[2] |= BIT_5; | |
2536 | if (nv->bus[1].config_2.data_line_active_negation) | |
2537 | mb[2] |= BIT_4; | |
2538 | status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); | |
2539 | ||
2540 | mb[0] = MBC_SET_DATA_OVERRUN_RECOVERY; | |
2541 | mb[1] = 2; /* Reset SCSI bus and return all outstanding IO */ | |
2542 | status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); | |
2543 | ||
2544 | /* thingy */ | |
2545 | mb[0] = MBC_SET_PCI_CONTROL; | |
2546 | mb[1] = 2; /* Data DMA Channel Burst Enable */ | |
2547 | mb[2] = 2; /* Command DMA Channel Burst Enable */ | |
2548 | status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); | |
2549 | ||
2550 | mb[0] = MBC_SET_TAG_AGE_LIMIT; | |
2551 | mb[1] = 8; | |
2552 | status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); | |
2553 | ||
2554 | /* Selection timeout. */ | |
2555 | mb[0] = MBC_SET_SELECTION_TIMEOUT; | |
2556 | mb[1] = nv->bus[0].selection_timeout; | |
2557 | mb[2] = nv->bus[1].selection_timeout; | |
2558 | status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); | |
2559 | ||
2560 | for (bus = 0; bus < ha->ports; bus++) | |
2561 | status |= qla1280_config_bus(ha, bus); | |
2562 | ||
2563 | if (status) | |
2564 | dprintk(2, "qla1280_nvram_config: **** FAILED ****\n"); | |
2565 | ||
2566 | LEAVE("qla1280_nvram_config"); | |
2567 | return status; | |
2568 | } | |
2569 | ||
2570 | /* | |
2571 | * Get NVRAM data word | |
2572 | * Calculates word position in NVRAM and calls request routine to | |
2573 | * get the word from NVRAM. | |
2574 | * | |
2575 | * Input: | |
2576 | * ha = adapter block pointer. | |
2577 | * address = NVRAM word address. | |
2578 | * | |
2579 | * Returns: | |
2580 | * data word. | |
2581 | */ | |
2582 | static uint16_t | |
2583 | qla1280_get_nvram_word(struct scsi_qla_host *ha, uint32_t address) | |
2584 | { | |
2585 | uint32_t nv_cmd; | |
2586 | uint16_t data; | |
2587 | ||
2588 | nv_cmd = address << 16; | |
2589 | nv_cmd |= NV_READ_OP; | |
2590 | ||
2591 | data = le16_to_cpu(qla1280_nvram_request(ha, nv_cmd)); | |
2592 | ||
2593 | dprintk(8, "qla1280_get_nvram_word: exiting normally NVRAM data = " | |
2594 | "0x%x", data); | |
2595 | ||
2596 | return data; | |
2597 | } | |
2598 | ||
2599 | /* | |
2600 | * NVRAM request | |
2601 | * Sends read command to NVRAM and gets data from NVRAM. | |
2602 | * | |
2603 | * Input: | |
2604 | * ha = adapter block pointer. | |
2605 | * nv_cmd = Bit 26 = start bit | |
2606 | * Bit 25, 24 = opcode | |
2607 | * Bit 23-16 = address | |
2608 | * Bit 15-0 = write data | |
2609 | * | |
2610 | * Returns: | |
2611 | * data word. | |
2612 | */ | |
2613 | static uint16_t | |
2614 | qla1280_nvram_request(struct scsi_qla_host *ha, uint32_t nv_cmd) | |
2615 | { | |
2616 | struct device_reg __iomem *reg = ha->iobase; | |
2617 | int cnt; | |
2618 | uint16_t data = 0; | |
2619 | uint16_t reg_data; | |
2620 | ||
2621 | /* Send command to NVRAM. */ | |
2622 | ||
2623 | nv_cmd <<= 5; | |
2624 | for (cnt = 0; cnt < 11; cnt++) { | |
2625 | if (nv_cmd & BIT_31) | |
2626 | qla1280_nv_write(ha, NV_DATA_OUT); | |
2627 | else | |
2628 | qla1280_nv_write(ha, 0); | |
2629 | nv_cmd <<= 1; | |
2630 | } | |
2631 | ||
2632 | /* Read data from NVRAM. */ | |
2633 | ||
2634 | for (cnt = 0; cnt < 16; cnt++) { | |
2635 | WRT_REG_WORD(®->nvram, (NV_SELECT | NV_CLOCK)); | |
2636 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
2637 | NVRAM_DELAY(); | |
2638 | data <<= 1; | |
2639 | reg_data = RD_REG_WORD(®->nvram); | |
2640 | if (reg_data & NV_DATA_IN) | |
2641 | data |= BIT_0; | |
2642 | WRT_REG_WORD(®->nvram, NV_SELECT); | |
2643 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
2644 | NVRAM_DELAY(); | |
2645 | } | |
2646 | ||
2647 | /* Deselect chip. */ | |
2648 | ||
2649 | WRT_REG_WORD(®->nvram, NV_DESELECT); | |
2650 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
2651 | NVRAM_DELAY(); | |
2652 | ||
2653 | return data; | |
2654 | } | |
2655 | ||
2656 | static void | |
2657 | qla1280_nv_write(struct scsi_qla_host *ha, uint16_t data) | |
2658 | { | |
2659 | struct device_reg __iomem *reg = ha->iobase; | |
2660 | ||
2661 | WRT_REG_WORD(®->nvram, data | NV_SELECT); | |
2662 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
2663 | NVRAM_DELAY(); | |
2664 | WRT_REG_WORD(®->nvram, data | NV_SELECT | NV_CLOCK); | |
2665 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
2666 | NVRAM_DELAY(); | |
2667 | WRT_REG_WORD(®->nvram, data | NV_SELECT); | |
2668 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
2669 | NVRAM_DELAY(); | |
2670 | } | |
2671 | ||
2672 | /* | |
2673 | * Mailbox Command | |
2674 | * Issue mailbox command and waits for completion. | |
2675 | * | |
2676 | * Input: | |
2677 | * ha = adapter block pointer. | |
2678 | * mr = mailbox registers to load. | |
2679 | * mb = data pointer for mailbox registers. | |
2680 | * | |
2681 | * Output: | |
2682 | * mb[MAILBOX_REGISTER_COUNT] = returned mailbox data. | |
2683 | * | |
2684 | * Returns: | |
2685 | * 0 = success | |
2686 | */ | |
2687 | static int | |
2688 | qla1280_mailbox_command(struct scsi_qla_host *ha, uint8_t mr, uint16_t *mb) | |
2689 | { | |
2690 | struct device_reg __iomem *reg = ha->iobase; | |
2691 | #if 0 | |
2692 | LIST_HEAD(done_q); | |
2693 | #endif | |
2694 | int status = 0; | |
2695 | int cnt; | |
2696 | uint16_t *optr, *iptr; | |
2697 | uint16_t __iomem *mptr; | |
2698 | uint16_t data; | |
2699 | DECLARE_COMPLETION(wait); | |
2700 | struct timer_list timer; | |
2701 | ||
2702 | ENTER("qla1280_mailbox_command"); | |
2703 | ||
2704 | if (ha->mailbox_wait) { | |
2705 | printk(KERN_ERR "Warning mailbox wait already in use!\n"); | |
2706 | } | |
2707 | ha->mailbox_wait = &wait; | |
2708 | ||
2709 | /* | |
2710 | * We really should start out by verifying that the mailbox is | |
2711 | * available before starting sending the command data | |
2712 | */ | |
2713 | /* Load mailbox registers. */ | |
2714 | mptr = (uint16_t __iomem *) ®->mailbox0; | |
2715 | iptr = mb; | |
2716 | for (cnt = 0; cnt < MAILBOX_REGISTER_COUNT; cnt++) { | |
2717 | if (mr & BIT_0) { | |
2718 | WRT_REG_WORD(mptr, (*iptr)); | |
2719 | } | |
2720 | ||
2721 | mr >>= 1; | |
2722 | mptr++; | |
2723 | iptr++; | |
2724 | } | |
2725 | ||
2726 | /* Issue set host interrupt command. */ | |
2727 | ||
2728 | /* set up a timer just in case we're really jammed */ | |
2729 | init_timer(&timer); | |
2730 | timer.expires = jiffies + 20*HZ; | |
2731 | timer.data = (unsigned long)ha; | |
2732 | timer.function = qla1280_mailbox_timeout; | |
2733 | add_timer(&timer); | |
2734 | ||
2735 | spin_unlock_irq(HOST_LOCK); | |
2736 | WRT_REG_WORD(®->host_cmd, HC_SET_HOST_INT); | |
2737 | data = qla1280_debounce_register(®->istatus); | |
2738 | ||
2739 | wait_for_completion(&wait); | |
2740 | del_timer_sync(&timer); | |
2741 | ||
2742 | spin_lock_irq(HOST_LOCK); | |
2743 | ||
2744 | ha->mailbox_wait = NULL; | |
2745 | ||
2746 | /* Check for mailbox command timeout. */ | |
2747 | if (ha->mailbox_out[0] != MBS_CMD_CMP) { | |
2748 | printk(KERN_WARNING "qla1280_mailbox_command: Command failed, " | |
2749 | "mailbox0 = 0x%04x, mailbox_out0 = 0x%04x, istatus = " | |
2750 | "0x%04x\n", | |
2751 | mb[0], ha->mailbox_out[0], RD_REG_WORD(®->istatus)); | |
2752 | printk(KERN_WARNING "m0 %04x, m1 %04x, m2 %04x, m3 %04x\n", | |
2753 | RD_REG_WORD(®->mailbox0), RD_REG_WORD(®->mailbox1), | |
2754 | RD_REG_WORD(®->mailbox2), RD_REG_WORD(®->mailbox3)); | |
2755 | printk(KERN_WARNING "m4 %04x, m5 %04x, m6 %04x, m7 %04x\n", | |
2756 | RD_REG_WORD(®->mailbox4), RD_REG_WORD(®->mailbox5), | |
2757 | RD_REG_WORD(®->mailbox6), RD_REG_WORD(®->mailbox7)); | |
2758 | status = 1; | |
2759 | } | |
2760 | ||
2761 | /* Load return mailbox registers. */ | |
2762 | optr = mb; | |
2763 | iptr = (uint16_t *) &ha->mailbox_out[0]; | |
2764 | mr = MAILBOX_REGISTER_COUNT; | |
2765 | memcpy(optr, iptr, MAILBOX_REGISTER_COUNT * sizeof(uint16_t)); | |
2766 | ||
2767 | #if 0 | |
2768 | /* Go check for any response interrupts pending. */ | |
2769 | qla1280_isr(ha, &done_q); | |
2770 | #endif | |
2771 | ||
2772 | if (ha->flags.reset_marker) | |
2773 | qla1280_rst_aen(ha); | |
2774 | ||
2775 | #if 0 | |
2776 | if (!list_empty(&done_q)) | |
2777 | qla1280_done(ha, &done_q); | |
2778 | #endif | |
2779 | ||
2780 | if (status) | |
2781 | dprintk(2, "qla1280_mailbox_command: **** FAILED, mailbox0 = " | |
2782 | "0x%x ****\n", mb[0]); | |
2783 | ||
2784 | LEAVE("qla1280_mailbox_command"); | |
2785 | return status; | |
2786 | } | |
2787 | ||
2788 | /* | |
2789 | * qla1280_poll | |
2790 | * Polls ISP for interrupts. | |
2791 | * | |
2792 | * Input: | |
2793 | * ha = adapter block pointer. | |
2794 | */ | |
2795 | static void | |
2796 | qla1280_poll(struct scsi_qla_host *ha) | |
2797 | { | |
2798 | struct device_reg __iomem *reg = ha->iobase; | |
2799 | uint16_t data; | |
2800 | LIST_HEAD(done_q); | |
2801 | ||
2802 | /* ENTER("qla1280_poll"); */ | |
2803 | ||
2804 | /* Check for pending interrupts. */ | |
2805 | data = RD_REG_WORD(®->istatus); | |
2806 | if (data & RISC_INT) | |
2807 | qla1280_isr(ha, &done_q); | |
2808 | ||
2809 | if (!ha->mailbox_wait) { | |
2810 | if (ha->flags.reset_marker) | |
2811 | qla1280_rst_aen(ha); | |
2812 | } | |
2813 | ||
2814 | if (!list_empty(&done_q)) | |
2815 | qla1280_done(ha); | |
2816 | ||
2817 | /* LEAVE("qla1280_poll"); */ | |
2818 | } | |
2819 | ||
2820 | /* | |
2821 | * qla1280_bus_reset | |
2822 | * Issue SCSI bus reset. | |
2823 | * | |
2824 | * Input: | |
2825 | * ha = adapter block pointer. | |
2826 | * bus = SCSI bus number. | |
2827 | * | |
2828 | * Returns: | |
2829 | * 0 = success | |
2830 | */ | |
2831 | static int | |
2832 | qla1280_bus_reset(struct scsi_qla_host *ha, int bus) | |
2833 | { | |
2834 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2835 | uint16_t reset_delay; | |
2836 | int status; | |
2837 | ||
2838 | dprintk(3, "qla1280_bus_reset: entered\n"); | |
2839 | ||
2840 | if (qla1280_verbose) | |
2841 | printk(KERN_INFO "scsi(%li:%i): Resetting SCSI BUS\n", | |
2842 | ha->host_no, bus); | |
2843 | ||
2844 | reset_delay = ha->bus_settings[bus].bus_reset_delay; | |
2845 | mb[0] = MBC_BUS_RESET; | |
2846 | mb[1] = reset_delay; | |
2847 | mb[2] = (uint16_t) bus; | |
2848 | status = qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); | |
2849 | ||
2850 | if (status) { | |
2851 | if (ha->bus_settings[bus].failed_reset_count > 2) | |
2852 | ha->bus_settings[bus].scsi_bus_dead = 1; | |
2853 | ha->bus_settings[bus].failed_reset_count++; | |
2854 | } else { | |
2855 | spin_unlock_irq(HOST_LOCK); | |
2856 | schedule_timeout(reset_delay * HZ); | |
2857 | spin_lock_irq(HOST_LOCK); | |
2858 | ||
2859 | ha->bus_settings[bus].scsi_bus_dead = 0; | |
2860 | ha->bus_settings[bus].failed_reset_count = 0; | |
2861 | ha->bus_settings[bus].reset_marker = 0; | |
2862 | /* Issue marker command. */ | |
2863 | qla1280_marker(ha, bus, 0, 0, MK_SYNC_ALL); | |
2864 | } | |
2865 | ||
2866 | /* | |
2867 | * We should probably call qla1280_set_target_parameters() | |
2868 | * here as well for all devices on the bus. | |
2869 | */ | |
2870 | ||
2871 | if (status) | |
2872 | dprintk(2, "qla1280_bus_reset: **** FAILED ****\n"); | |
2873 | else | |
2874 | dprintk(3, "qla1280_bus_reset: exiting normally\n"); | |
2875 | ||
2876 | return status; | |
2877 | } | |
2878 | ||
2879 | /* | |
2880 | * qla1280_device_reset | |
2881 | * Issue bus device reset message to the target. | |
2882 | * | |
2883 | * Input: | |
2884 | * ha = adapter block pointer. | |
2885 | * bus = SCSI BUS number. | |
2886 | * target = SCSI ID. | |
2887 | * | |
2888 | * Returns: | |
2889 | * 0 = success | |
2890 | */ | |
2891 | static int | |
2892 | qla1280_device_reset(struct scsi_qla_host *ha, int bus, int target) | |
2893 | { | |
2894 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2895 | int status; | |
2896 | ||
2897 | ENTER("qla1280_device_reset"); | |
2898 | ||
2899 | mb[0] = MBC_ABORT_TARGET; | |
2900 | mb[1] = (bus ? (target | BIT_7) : target) << 8; | |
2901 | mb[2] = 1; | |
2902 | status = qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); | |
2903 | ||
2904 | /* Issue marker command. */ | |
2905 | qla1280_marker(ha, bus, target, 0, MK_SYNC_ID); | |
2906 | ||
2907 | if (status) | |
2908 | dprintk(2, "qla1280_device_reset: **** FAILED ****\n"); | |
2909 | ||
2910 | LEAVE("qla1280_device_reset"); | |
2911 | return status; | |
2912 | } | |
2913 | ||
2914 | /* | |
2915 | * qla1280_abort_device | |
2916 | * Issue an abort message to the device | |
2917 | * | |
2918 | * Input: | |
2919 | * ha = adapter block pointer. | |
2920 | * bus = SCSI BUS. | |
2921 | * target = SCSI ID. | |
2922 | * lun = SCSI LUN. | |
2923 | * | |
2924 | * Returns: | |
2925 | * 0 = success | |
2926 | */ | |
2927 | static int | |
2928 | qla1280_abort_device(struct scsi_qla_host *ha, int bus, int target, int lun) | |
2929 | { | |
2930 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2931 | int status; | |
2932 | ||
2933 | ENTER("qla1280_abort_device"); | |
2934 | ||
2935 | mb[0] = MBC_ABORT_DEVICE; | |
2936 | mb[1] = (bus ? target | BIT_7 : target) << 8 | lun; | |
2937 | status = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); | |
2938 | ||
2939 | /* Issue marker command. */ | |
2940 | qla1280_marker(ha, bus, target, lun, MK_SYNC_ID_LUN); | |
2941 | ||
2942 | if (status) | |
2943 | dprintk(2, "qla1280_abort_device: **** FAILED ****\n"); | |
2944 | ||
2945 | LEAVE("qla1280_abort_device"); | |
2946 | return status; | |
2947 | } | |
2948 | ||
2949 | /* | |
2950 | * qla1280_abort_command | |
2951 | * Abort command aborts a specified IOCB. | |
2952 | * | |
2953 | * Input: | |
2954 | * ha = adapter block pointer. | |
2955 | * sp = SB structure pointer. | |
2956 | * | |
2957 | * Returns: | |
2958 | * 0 = success | |
2959 | */ | |
2960 | static int | |
2961 | qla1280_abort_command(struct scsi_qla_host *ha, struct srb * sp, int handle) | |
2962 | { | |
2963 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2964 | unsigned int bus, target, lun; | |
2965 | int status; | |
2966 | ||
2967 | ENTER("qla1280_abort_command"); | |
2968 | ||
2969 | bus = SCSI_BUS_32(sp->cmd); | |
2970 | target = SCSI_TCN_32(sp->cmd); | |
2971 | lun = SCSI_LUN_32(sp->cmd); | |
2972 | ||
2973 | sp->flags |= SRB_ABORT_PENDING; | |
2974 | ||
2975 | mb[0] = MBC_ABORT_COMMAND; | |
2976 | mb[1] = (bus ? target | BIT_7 : target) << 8 | lun; | |
2977 | mb[2] = handle >> 16; | |
2978 | mb[3] = handle & 0xffff; | |
2979 | status = qla1280_mailbox_command(ha, 0x0f, &mb[0]); | |
2980 | ||
2981 | if (status) { | |
2982 | dprintk(2, "qla1280_abort_command: **** FAILED ****\n"); | |
2983 | sp->flags &= ~SRB_ABORT_PENDING; | |
2984 | } | |
2985 | ||
2986 | ||
2987 | LEAVE("qla1280_abort_command"); | |
2988 | return status; | |
2989 | } | |
2990 | ||
2991 | /* | |
2992 | * qla1280_reset_adapter | |
2993 | * Reset adapter. | |
2994 | * | |
2995 | * Input: | |
2996 | * ha = adapter block pointer. | |
2997 | */ | |
2998 | static void | |
2999 | qla1280_reset_adapter(struct scsi_qla_host *ha) | |
3000 | { | |
3001 | struct device_reg __iomem *reg = ha->iobase; | |
3002 | ||
3003 | ENTER("qla1280_reset_adapter"); | |
3004 | ||
3005 | /* Disable ISP chip */ | |
3006 | ha->flags.online = 0; | |
3007 | WRT_REG_WORD(®->ictrl, ISP_RESET); | |
3008 | WRT_REG_WORD(®->host_cmd, | |
3009 | HC_RESET_RISC | HC_RELEASE_RISC | HC_DISABLE_BIOS); | |
3010 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
3011 | ||
3012 | LEAVE("qla1280_reset_adapter"); | |
3013 | } | |
3014 | ||
3015 | /* | |
3016 | * Issue marker command. | |
3017 | * Function issues marker IOCB. | |
3018 | * | |
3019 | * Input: | |
3020 | * ha = adapter block pointer. | |
3021 | * bus = SCSI BUS number | |
3022 | * id = SCSI ID | |
3023 | * lun = SCSI LUN | |
3024 | * type = marker modifier | |
3025 | */ | |
3026 | static void | |
3027 | qla1280_marker(struct scsi_qla_host *ha, int bus, int id, int lun, u8 type) | |
3028 | { | |
3029 | struct mrk_entry *pkt; | |
3030 | ||
3031 | ENTER("qla1280_marker"); | |
3032 | ||
3033 | /* Get request packet. */ | |
3034 | if ((pkt = (struct mrk_entry *) qla1280_req_pkt(ha))) { | |
3035 | pkt->entry_type = MARKER_TYPE; | |
3036 | pkt->lun = (uint8_t) lun; | |
3037 | pkt->target = (uint8_t) (bus ? (id | BIT_7) : id); | |
3038 | pkt->modifier = type; | |
3039 | pkt->entry_status = 0; | |
3040 | ||
3041 | /* Issue command to ISP */ | |
3042 | qla1280_isp_cmd(ha); | |
3043 | } | |
3044 | ||
3045 | LEAVE("qla1280_marker"); | |
3046 | } | |
3047 | ||
3048 | ||
3049 | /* | |
3050 | * qla1280_64bit_start_scsi | |
3051 | * The start SCSI is responsible for building request packets on | |
3052 | * request ring and modifying ISP input pointer. | |
3053 | * | |
3054 | * Input: | |
3055 | * ha = adapter block pointer. | |
3056 | * sp = SB structure pointer. | |
3057 | * | |
3058 | * Returns: | |
3059 | * 0 = success, was able to issue command. | |
3060 | */ | |
3061 | #ifdef QLA_64BIT_PTR | |
3062 | static int | |
3063 | qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp) | |
3064 | { | |
3065 | struct device_reg __iomem *reg = ha->iobase; | |
3066 | struct scsi_cmnd *cmd = sp->cmd; | |
3067 | cmd_a64_entry_t *pkt; | |
3068 | struct scatterlist *sg = NULL; | |
3069 | u32 *dword_ptr; | |
3070 | dma_addr_t dma_handle; | |
3071 | int status = 0; | |
3072 | int cnt; | |
3073 | int req_cnt; | |
3074 | u16 seg_cnt; | |
3075 | u8 dir; | |
3076 | ||
3077 | ENTER("qla1280_64bit_start_scsi:"); | |
3078 | ||
3079 | /* Calculate number of entries and segments required. */ | |
3080 | req_cnt = 1; | |
3081 | if (cmd->use_sg) { | |
3082 | sg = (struct scatterlist *) cmd->request_buffer; | |
3083 | seg_cnt = pci_map_sg(ha->pdev, sg, cmd->use_sg, | |
3084 | cmd->sc_data_direction); | |
3085 | ||
3086 | if (seg_cnt > 2) { | |
3087 | req_cnt += (seg_cnt - 2) / 5; | |
3088 | if ((seg_cnt - 2) % 5) | |
3089 | req_cnt++; | |
3090 | } | |
3091 | } else if (cmd->request_bufflen) { /* If data transfer. */ | |
3092 | seg_cnt = 1; | |
3093 | } else { | |
3094 | seg_cnt = 0; | |
3095 | } | |
3096 | ||
3097 | if ((req_cnt + 2) >= ha->req_q_cnt) { | |
3098 | /* Calculate number of free request entries. */ | |
3099 | cnt = RD_REG_WORD(®->mailbox4); | |
3100 | if (ha->req_ring_index < cnt) | |
3101 | ha->req_q_cnt = cnt - ha->req_ring_index; | |
3102 | else | |
3103 | ha->req_q_cnt = | |
3104 | REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt); | |
3105 | } | |
3106 | ||
3107 | /* If room for request in request ring. */ | |
3108 | if ((req_cnt + 2) >= ha->req_q_cnt) { | |
3109 | status = 1; | |
3110 | dprintk(2, "qla1280_64bit_start_scsi: in-ptr=0x%x req_q_cnt=" | |
3111 | "0x%xreq_cnt=0x%x", ha->req_ring_index, ha->req_q_cnt, | |
3112 | req_cnt); | |
3113 | goto out; | |
3114 | } | |
3115 | ||
3116 | /* Check for room in outstanding command list. */ | |
3117 | for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS && | |
3118 | ha->outstanding_cmds[cnt] != 0; cnt++); | |
3119 | ||
3120 | if (cnt >= MAX_OUTSTANDING_COMMANDS) { | |
3121 | status = 1; | |
3122 | dprintk(2, "qla1280_64bit_start_scsi: NO ROOM IN " | |
3123 | "OUTSTANDING ARRAY, req_q_cnt=0x%x", ha->req_q_cnt); | |
3124 | goto out; | |
3125 | } | |
3126 | ||
3127 | ha->outstanding_cmds[cnt] = sp; | |
3128 | ha->req_q_cnt -= req_cnt; | |
3129 | CMD_HANDLE(sp->cmd) = (unsigned char *)(unsigned long)(cnt + 1); | |
3130 | ||
3131 | dprintk(2, "64bit_start: cmd=%p sp=%p CDB=%xm, handle %lx\n", cmd, sp, | |
3132 | cmd->cmnd[0], (long)CMD_HANDLE(sp->cmd)); | |
3133 | dprintk(2, " bus %i, target %i, lun %i\n", | |
3134 | SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); | |
3135 | qla1280_dump_buffer(2, cmd->cmnd, MAX_COMMAND_SIZE); | |
3136 | ||
3137 | /* | |
3138 | * Build command packet. | |
3139 | */ | |
3140 | pkt = (cmd_a64_entry_t *) ha->request_ring_ptr; | |
3141 | ||
3142 | pkt->entry_type = COMMAND_A64_TYPE; | |
3143 | pkt->entry_count = (uint8_t) req_cnt; | |
3144 | pkt->sys_define = (uint8_t) ha->req_ring_index; | |
3145 | pkt->entry_status = 0; | |
3146 | pkt->handle = cpu_to_le32(cnt); | |
3147 | ||
3148 | /* Zero out remaining portion of packet. */ | |
3149 | memset(((char *)pkt + 8), 0, (REQUEST_ENTRY_SIZE - 8)); | |
3150 | ||
3151 | /* Set ISP command timeout. */ | |
3152 | pkt->timeout = cpu_to_le16(30); | |
3153 | ||
3154 | /* Set device target ID and LUN */ | |
3155 | pkt->lun = SCSI_LUN_32(cmd); | |
3156 | pkt->target = SCSI_BUS_32(cmd) ? | |
3157 | (SCSI_TCN_32(cmd) | BIT_7) : SCSI_TCN_32(cmd); | |
3158 | ||
3159 | /* Enable simple tag queuing if device supports it. */ | |
3160 | if (DEV_SIMPLE_TAGS(cmd->device)) | |
3161 | pkt->control_flags |= cpu_to_le16(BIT_3); | |
3162 | ||
3163 | /* Load SCSI command packet. */ | |
3164 | pkt->cdb_len = cpu_to_le16(CMD_CDBLEN(cmd)); | |
3165 | memcpy(pkt->scsi_cdb, &(CMD_CDBP(cmd)), CMD_CDBLEN(cmd)); | |
3166 | /* dprintk(1, "Build packet for command[0]=0x%x\n",pkt->scsi_cdb[0]); */ | |
3167 | ||
3168 | /* Set transfer direction. */ | |
3169 | dir = qla1280_data_direction(cmd); | |
3170 | pkt->control_flags |= cpu_to_le16(dir); | |
3171 | ||
3172 | /* Set total data segment count. */ | |
3173 | pkt->dseg_count = cpu_to_le16(seg_cnt); | |
3174 | ||
3175 | /* | |
3176 | * Load data segments. | |
3177 | */ | |
3178 | if (seg_cnt) { /* If data transfer. */ | |
3179 | /* Setup packet address segment pointer. */ | |
3180 | dword_ptr = (u32 *)&pkt->dseg_0_address; | |
3181 | ||
3182 | if (cmd->use_sg) { /* If scatter gather */ | |
3183 | /* Load command entry data segments. */ | |
3184 | for (cnt = 0; cnt < 2 && seg_cnt; cnt++, seg_cnt--) { | |
3185 | dma_handle = sg_dma_address(sg); | |
3186 | #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) | |
3187 | if (ha->flags.use_pci_vchannel) | |
3188 | sn_pci_set_vchan(ha->pdev, | |
3189 | (unsigned long *)&dma_handle, | |
3190 | SCSI_BUS_32(cmd)); | |
3191 | #endif | |
3192 | *dword_ptr++ = | |
3193 | cpu_to_le32(pci_dma_lo32(dma_handle)); | |
3194 | *dword_ptr++ = | |
3195 | cpu_to_le32(pci_dma_hi32(dma_handle)); | |
3196 | *dword_ptr++ = cpu_to_le32(sg_dma_len(sg)); | |
3197 | sg++; | |
3198 | dprintk(3, "S/G Segment phys_addr=%x %x, len=0x%x\n", | |
3199 | cpu_to_le32(pci_dma_hi32(dma_handle)), | |
3200 | cpu_to_le32(pci_dma_lo32(dma_handle)), | |
3201 | cpu_to_le32(sg_dma_len(sg))); | |
3202 | } | |
3203 | dprintk(5, "qla1280_64bit_start_scsi: Scatter/gather " | |
3204 | "command packet data - b %i, t %i, l %i \n", | |
3205 | SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), | |
3206 | SCSI_LUN_32(cmd)); | |
3207 | qla1280_dump_buffer(5, (char *)pkt, | |
3208 | REQUEST_ENTRY_SIZE); | |
3209 | ||
3210 | /* | |
3211 | * Build continuation packets. | |
3212 | */ | |
3213 | dprintk(3, "S/G Building Continuation...seg_cnt=0x%x " | |
3214 | "remains\n", seg_cnt); | |
3215 | ||
3216 | while (seg_cnt > 0) { | |
3217 | /* Adjust ring index. */ | |
3218 | ha->req_ring_index++; | |
3219 | if (ha->req_ring_index == REQUEST_ENTRY_CNT) { | |
3220 | ha->req_ring_index = 0; | |
3221 | ha->request_ring_ptr = | |
3222 | ha->request_ring; | |
3223 | } else | |
3224 | ha->request_ring_ptr++; | |
3225 | ||
3226 | pkt = (cmd_a64_entry_t *)ha->request_ring_ptr; | |
3227 | ||
3228 | /* Zero out packet. */ | |
3229 | memset(pkt, 0, REQUEST_ENTRY_SIZE); | |
3230 | ||
3231 | /* Load packet defaults. */ | |
3232 | ((struct cont_a64_entry *) pkt)->entry_type = | |
3233 | CONTINUE_A64_TYPE; | |
3234 | ((struct cont_a64_entry *) pkt)->entry_count = 1; | |
3235 | ((struct cont_a64_entry *) pkt)->sys_define = | |
3236 | (uint8_t)ha->req_ring_index; | |
3237 | /* Setup packet address segment pointer. */ | |
3238 | dword_ptr = | |
3239 | (u32 *)&((struct cont_a64_entry *) pkt)->dseg_0_address; | |
3240 | ||
3241 | /* Load continuation entry data segments. */ | |
3242 | for (cnt = 0; cnt < 5 && seg_cnt; | |
3243 | cnt++, seg_cnt--) { | |
3244 | dma_handle = sg_dma_address(sg); | |
3245 | #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) | |
3246 | if (ha->flags.use_pci_vchannel) | |
3247 | sn_pci_set_vchan(ha->pdev, | |
3248 | (unsigned long *)&dma_handle, | |
3249 | SCSI_BUS_32(cmd)); | |
3250 | #endif | |
3251 | *dword_ptr++ = | |
3252 | cpu_to_le32(pci_dma_lo32(dma_handle)); | |
3253 | *dword_ptr++ = | |
3254 | cpu_to_le32(pci_dma_hi32(dma_handle)); | |
3255 | *dword_ptr++ = | |
3256 | cpu_to_le32(sg_dma_len(sg)); | |
3257 | dprintk(3, "S/G Segment Cont. phys_addr=%x %x, len=0x%x\n", | |
3258 | cpu_to_le32(pci_dma_hi32(dma_handle)), | |
3259 | cpu_to_le32(pci_dma_lo32(dma_handle)), | |
3260 | cpu_to_le32(sg_dma_len(sg))); | |
3261 | sg++; | |
3262 | } | |
3263 | dprintk(5, "qla1280_64bit_start_scsi: " | |
3264 | "continuation packet data - b %i, t " | |
3265 | "%i, l %i \n", SCSI_BUS_32(cmd), | |
3266 | SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); | |
3267 | qla1280_dump_buffer(5, (char *)pkt, | |
3268 | REQUEST_ENTRY_SIZE); | |
3269 | } | |
3270 | } else { /* No scatter gather data transfer */ | |
3271 | dma_handle = pci_map_single(ha->pdev, | |
3272 | cmd->request_buffer, | |
3273 | cmd->request_bufflen, | |
3274 | cmd->sc_data_direction); | |
3275 | ||
3276 | sp->saved_dma_handle = dma_handle; | |
3277 | #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) | |
3278 | if (ha->flags.use_pci_vchannel) | |
3279 | sn_pci_set_vchan(ha->pdev, | |
3280 | (unsigned long *)&dma_handle, | |
3281 | SCSI_BUS_32(cmd)); | |
3282 | #endif | |
3283 | *dword_ptr++ = cpu_to_le32(pci_dma_lo32(dma_handle)); | |
3284 | *dword_ptr++ = cpu_to_le32(pci_dma_hi32(dma_handle)); | |
3285 | *dword_ptr = cpu_to_le32(cmd->request_bufflen); | |
3286 | ||
3287 | dprintk(5, "qla1280_64bit_start_scsi: No scatter/" | |
3288 | "gather command packet data - b %i, t %i, " | |
3289 | "l %i \n", SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), | |
3290 | SCSI_LUN_32(cmd)); | |
3291 | qla1280_dump_buffer(5, (char *)pkt, | |
3292 | REQUEST_ENTRY_SIZE); | |
3293 | } | |
3294 | } else { /* No data transfer */ | |
3295 | dprintk(5, "qla1280_64bit_start_scsi: No data, command " | |
3296 | "packet data - b %i, t %i, l %i \n", | |
3297 | SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); | |
3298 | qla1280_dump_buffer(5, (char *)pkt, REQUEST_ENTRY_SIZE); | |
3299 | } | |
3300 | /* Adjust ring index. */ | |
3301 | ha->req_ring_index++; | |
3302 | if (ha->req_ring_index == REQUEST_ENTRY_CNT) { | |
3303 | ha->req_ring_index = 0; | |
3304 | ha->request_ring_ptr = ha->request_ring; | |
3305 | } else | |
3306 | ha->request_ring_ptr++; | |
3307 | ||
3308 | /* Set chip new ring index. */ | |
3309 | dprintk(2, | |
3310 | "qla1280_64bit_start_scsi: Wakeup RISC for pending command\n"); | |
3311 | sp->flags |= SRB_SENT; | |
3312 | ha->actthreads++; | |
3313 | WRT_REG_WORD(®->mailbox4, ha->req_ring_index); | |
3314 | /* Enforce mmio write ordering; see comment in qla1280_isp_cmd(). */ | |
3315 | mmiowb(); | |
3316 | ||
3317 | out: | |
3318 | if (status) | |
3319 | dprintk(2, "qla1280_64bit_start_scsi: **** FAILED ****\n"); | |
3320 | else | |
3321 | dprintk(3, "qla1280_64bit_start_scsi: exiting normally\n"); | |
3322 | ||
3323 | return status; | |
3324 | } | |
3325 | #else /* !QLA_64BIT_PTR */ | |
3326 | ||
3327 | /* | |
3328 | * qla1280_32bit_start_scsi | |
3329 | * The start SCSI is responsible for building request packets on | |
3330 | * request ring and modifying ISP input pointer. | |
3331 | * | |
3332 | * The Qlogic firmware interface allows every queue slot to have a SCSI | |
3333 | * command and up to 4 scatter/gather (SG) entries. If we need more | |
3334 | * than 4 SG entries, then continuation entries are used that can | |
3335 | * hold another 7 entries each. The start routine determines if there | |
3336 | * is eought empty slots then build the combination of requests to | |
3337 | * fulfill the OS request. | |
3338 | * | |
3339 | * Input: | |
3340 | * ha = adapter block pointer. | |
3341 | * sp = SCSI Request Block structure pointer. | |
3342 | * | |
3343 | * Returns: | |
3344 | * 0 = success, was able to issue command. | |
3345 | */ | |
3346 | static int | |
3347 | qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp) | |
3348 | { | |
3349 | struct device_reg __iomem *reg = ha->iobase; | |
3350 | struct scsi_cmnd *cmd = sp->cmd; | |
3351 | struct cmd_entry *pkt; | |
3352 | struct scatterlist *sg = NULL; | |
3353 | uint32_t *dword_ptr; | |
3354 | int status = 0; | |
3355 | int cnt; | |
3356 | int req_cnt; | |
3357 | uint16_t seg_cnt; | |
3358 | dma_addr_t dma_handle; | |
3359 | u8 dir; | |
3360 | ||
3361 | ENTER("qla1280_32bit_start_scsi"); | |
3362 | ||
3363 | dprintk(1, "32bit_start: cmd=%p sp=%p CDB=%x\n", cmd, sp, | |
3364 | cmd->cmnd[0]); | |
3365 | ||
3366 | /* Calculate number of entries and segments required. */ | |
3367 | req_cnt = 1; | |
3368 | if (cmd->use_sg) { | |
3369 | /* | |
3370 | * We must build an SG list in adapter format, as the kernel's | |
3371 | * SG list cannot be used directly because of data field size | |
3372 | * (__alpha__) differences and the kernel SG list uses virtual | |
3373 | * addresses where we need physical addresses. | |
3374 | */ | |
3375 | sg = (struct scatterlist *) cmd->request_buffer; | |
3376 | seg_cnt = pci_map_sg(ha->pdev, sg, cmd->use_sg, | |
3377 | cmd->sc_data_direction); | |
3378 | ||
3379 | /* | |
3380 | * if greater than four sg entries then we need to allocate | |
3381 | * continuation entries | |
3382 | */ | |
3383 | if (seg_cnt > 4) { | |
3384 | req_cnt += (seg_cnt - 4) / 7; | |
3385 | if ((seg_cnt - 4) % 7) | |
3386 | req_cnt++; | |
3387 | } | |
3388 | dprintk(3, "S/G Transfer cmd=%p seg_cnt=0x%x, req_cnt=%x\n", | |
3389 | cmd, seg_cnt, req_cnt); | |
3390 | } else if (cmd->request_bufflen) { /* If data transfer. */ | |
3391 | dprintk(3, "No S/G transfer t=%x cmd=%p len=%x CDB=%x\n", | |
3392 | SCSI_TCN_32(cmd), cmd, cmd->request_bufflen, | |
3393 | cmd->cmnd[0]); | |
3394 | seg_cnt = 1; | |
3395 | } else { | |
3396 | /* dprintk(1, "No data transfer \n"); */ | |
3397 | seg_cnt = 0; | |
3398 | } | |
3399 | ||
3400 | if ((req_cnt + 2) >= ha->req_q_cnt) { | |
3401 | /* Calculate number of free request entries. */ | |
3402 | cnt = RD_REG_WORD(®->mailbox4); | |
3403 | if (ha->req_ring_index < cnt) | |
3404 | ha->req_q_cnt = cnt - ha->req_ring_index; | |
3405 | else | |
3406 | ha->req_q_cnt = | |
3407 | REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt); | |
3408 | } | |
3409 | ||
3410 | dprintk(3, "Number of free entries=(%d) seg_cnt=0x%x\n", | |
3411 | ha->req_q_cnt, seg_cnt); | |
3412 | /* If room for request in request ring. */ | |
3413 | if ((req_cnt + 2) >= ha->req_q_cnt) { | |
3414 | status = 1; | |
3415 | dprintk(2, "qla1280_32bit_start_scsi: in-ptr=0x%x, " | |
3416 | "req_q_cnt=0x%x, req_cnt=0x%x", ha->req_ring_index, | |
3417 | ha->req_q_cnt, req_cnt); | |
3418 | goto out; | |
3419 | } | |
3420 | ||
3421 | /* Check for empty slot in outstanding command list. */ | |
3422 | for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS && | |
3423 | (ha->outstanding_cmds[cnt] != 0); cnt++) ; | |
3424 | ||
3425 | if (cnt >= MAX_OUTSTANDING_COMMANDS) { | |
3426 | status = 1; | |
3427 | dprintk(2, "qla1280_32bit_start_scsi: NO ROOM IN OUTSTANDING " | |
3428 | "ARRAY, req_q_cnt=0x%x\n", ha->req_q_cnt); | |
3429 | goto out; | |
3430 | } | |
3431 | ||
3432 | CMD_HANDLE(sp->cmd) = (unsigned char *) (unsigned long)(cnt + 1); | |
3433 | ha->outstanding_cmds[cnt] = sp; | |
3434 | ha->req_q_cnt -= req_cnt; | |
3435 | ||
3436 | /* | |
3437 | * Build command packet. | |
3438 | */ | |
3439 | pkt = (struct cmd_entry *) ha->request_ring_ptr; | |
3440 | ||
3441 | pkt->entry_type = COMMAND_TYPE; | |
3442 | pkt->entry_count = (uint8_t) req_cnt; | |
3443 | pkt->sys_define = (uint8_t) ha->req_ring_index; | |
3444 | pkt->entry_status = 0; | |
3445 | pkt->handle = cpu_to_le32(cnt); | |
3446 | ||
3447 | /* Zero out remaining portion of packet. */ | |
3448 | memset(((char *)pkt + 8), 0, (REQUEST_ENTRY_SIZE - 8)); | |
3449 | ||
3450 | /* Set ISP command timeout. */ | |
3451 | pkt->timeout = cpu_to_le16(30); | |
3452 | ||
3453 | /* Set device target ID and LUN */ | |
3454 | pkt->lun = SCSI_LUN_32(cmd); | |
3455 | pkt->target = SCSI_BUS_32(cmd) ? | |
3456 | (SCSI_TCN_32(cmd) | BIT_7) : SCSI_TCN_32(cmd); | |
3457 | ||
3458 | /* Enable simple tag queuing if device supports it. */ | |
3459 | if (DEV_SIMPLE_TAGS(cmd->device)) | |
3460 | pkt->control_flags |= cpu_to_le16(BIT_3); | |
3461 | ||
3462 | /* Load SCSI command packet. */ | |
3463 | pkt->cdb_len = cpu_to_le16(CMD_CDBLEN(cmd)); | |
3464 | memcpy(pkt->scsi_cdb, &(CMD_CDBP(cmd)), CMD_CDBLEN(cmd)); | |
3465 | ||
3466 | /*dprintk(1, "Build packet for command[0]=0x%x\n",pkt->scsi_cdb[0]); */ | |
3467 | /* Set transfer direction. */ | |
3468 | dir = qla1280_data_direction(cmd); | |
3469 | pkt->control_flags |= cpu_to_le16(dir); | |
3470 | ||
3471 | /* Set total data segment count. */ | |
3472 | pkt->dseg_count = cpu_to_le16(seg_cnt); | |
3473 | ||
3474 | /* | |
3475 | * Load data segments. | |
3476 | */ | |
3477 | if (seg_cnt) { | |
3478 | /* Setup packet address segment pointer. */ | |
3479 | dword_ptr = &pkt->dseg_0_address; | |
3480 | ||
3481 | if (cmd->use_sg) { /* If scatter gather */ | |
3482 | dprintk(3, "Building S/G data segments..\n"); | |
3483 | qla1280_dump_buffer(1, (char *)sg, 4 * 16); | |
3484 | ||
3485 | /* Load command entry data segments. */ | |
3486 | for (cnt = 0; cnt < 4 && seg_cnt; cnt++, seg_cnt--) { | |
3487 | *dword_ptr++ = | |
3488 | cpu_to_le32(pci_dma_lo32(sg_dma_address(sg))); | |
3489 | *dword_ptr++ = | |
3490 | cpu_to_le32(sg_dma_len(sg)); | |
3491 | dprintk(3, "S/G Segment phys_addr=0x%lx, len=0x%x\n", | |
3492 | (pci_dma_lo32(sg_dma_address(sg))), | |
3493 | (sg_dma_len(sg))); | |
3494 | sg++; | |
3495 | } | |
3496 | /* | |
3497 | * Build continuation packets. | |
3498 | */ | |
3499 | dprintk(3, "S/G Building Continuation" | |
3500 | "...seg_cnt=0x%x remains\n", seg_cnt); | |
3501 | while (seg_cnt > 0) { | |
3502 | /* Adjust ring index. */ | |
3503 | ha->req_ring_index++; | |
3504 | if (ha->req_ring_index == REQUEST_ENTRY_CNT) { | |
3505 | ha->req_ring_index = 0; | |
3506 | ha->request_ring_ptr = | |
3507 | ha->request_ring; | |
3508 | } else | |
3509 | ha->request_ring_ptr++; | |
3510 | ||
3511 | pkt = (struct cmd_entry *)ha->request_ring_ptr; | |
3512 | ||
3513 | /* Zero out packet. */ | |
3514 | memset(pkt, 0, REQUEST_ENTRY_SIZE); | |
3515 | ||
3516 | /* Load packet defaults. */ | |
3517 | ((struct cont_entry *) pkt)-> | |
3518 | entry_type = CONTINUE_TYPE; | |
3519 | ((struct cont_entry *) pkt)->entry_count = 1; | |
3520 | ||
3521 | ((struct cont_entry *) pkt)->sys_define = | |
3522 | (uint8_t) ha->req_ring_index; | |
3523 | ||
3524 | /* Setup packet address segment pointer. */ | |
3525 | dword_ptr = | |
3526 | &((struct cont_entry *) pkt)->dseg_0_address; | |
3527 | ||
3528 | /* Load continuation entry data segments. */ | |
3529 | for (cnt = 0; cnt < 7 && seg_cnt; | |
3530 | cnt++, seg_cnt--) { | |
3531 | *dword_ptr++ = | |
3532 | cpu_to_le32(pci_dma_lo32(sg_dma_address(sg))); | |
3533 | *dword_ptr++ = | |
3534 | cpu_to_le32(sg_dma_len(sg)); | |
3535 | dprintk(1, | |
3536 | "S/G Segment Cont. phys_addr=0x%x, " | |
3537 | "len=0x%x\n", | |
3538 | cpu_to_le32(pci_dma_lo32(sg_dma_address(sg))), | |
3539 | cpu_to_le32(sg_dma_len(sg))); | |
3540 | sg++; | |
3541 | } | |
3542 | dprintk(5, "qla1280_32bit_start_scsi: " | |
3543 | "continuation packet data - " | |
3544 | "scsi(%i:%i:%i)\n", SCSI_BUS_32(cmd), | |
3545 | SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); | |
3546 | qla1280_dump_buffer(5, (char *)pkt, | |
3547 | REQUEST_ENTRY_SIZE); | |
3548 | } | |
3549 | } else { /* No S/G data transfer */ | |
3550 | dma_handle = pci_map_single(ha->pdev, | |
3551 | cmd->request_buffer, | |
3552 | cmd->request_bufflen, | |
3553 | cmd->sc_data_direction); | |
3554 | sp->saved_dma_handle = dma_handle; | |
3555 | ||
3556 | *dword_ptr++ = cpu_to_le32(pci_dma_lo32(dma_handle)); | |
3557 | *dword_ptr = cpu_to_le32(cmd->request_bufflen); | |
3558 | } | |
3559 | } else { /* No data transfer at all */ | |
3560 | dprintk(5, "qla1280_32bit_start_scsi: No data, command " | |
3561 | "packet data - \n"); | |
3562 | qla1280_dump_buffer(5, (char *)pkt, REQUEST_ENTRY_SIZE); | |
3563 | } | |
3564 | dprintk(5, "qla1280_32bit_start_scsi: First IOCB block:\n"); | |
3565 | qla1280_dump_buffer(5, (char *)ha->request_ring_ptr, | |
3566 | REQUEST_ENTRY_SIZE); | |
3567 | ||
3568 | /* Adjust ring index. */ | |
3569 | ha->req_ring_index++; | |
3570 | if (ha->req_ring_index == REQUEST_ENTRY_CNT) { | |
3571 | ha->req_ring_index = 0; | |
3572 | ha->request_ring_ptr = ha->request_ring; | |
3573 | } else | |
3574 | ha->request_ring_ptr++; | |
3575 | ||
3576 | /* Set chip new ring index. */ | |
3577 | dprintk(2, "qla1280_32bit_start_scsi: Wakeup RISC " | |
3578 | "for pending command\n"); | |
3579 | sp->flags |= SRB_SENT; | |
3580 | ha->actthreads++; | |
3581 | WRT_REG_WORD(®->mailbox4, ha->req_ring_index); | |
3582 | /* Enforce mmio write ordering; see comment in qla1280_isp_cmd(). */ | |
3583 | mmiowb(); | |
3584 | ||
3585 | out: | |
3586 | if (status) | |
3587 | dprintk(2, "qla1280_32bit_start_scsi: **** FAILED ****\n"); | |
3588 | ||
3589 | LEAVE("qla1280_32bit_start_scsi"); | |
3590 | ||
3591 | return status; | |
3592 | } | |
3593 | #endif | |
3594 | ||
3595 | /* | |
3596 | * qla1280_req_pkt | |
3597 | * Function is responsible for locking ring and | |
3598 | * getting a zeroed out request packet. | |
3599 | * | |
3600 | * Input: | |
3601 | * ha = adapter block pointer. | |
3602 | * | |
3603 | * Returns: | |
3604 | * 0 = failed to get slot. | |
3605 | */ | |
3606 | static request_t * | |
3607 | qla1280_req_pkt(struct scsi_qla_host *ha) | |
3608 | { | |
3609 | struct device_reg __iomem *reg = ha->iobase; | |
3610 | request_t *pkt = NULL; | |
3611 | int cnt; | |
3612 | uint32_t timer; | |
3613 | ||
3614 | ENTER("qla1280_req_pkt"); | |
3615 | ||
3616 | /* | |
3617 | * This can be called from interrupt context, damn it!!! | |
3618 | */ | |
3619 | /* Wait for 30 seconds for slot. */ | |
3620 | for (timer = 15000000; timer; timer--) { | |
3621 | if (ha->req_q_cnt > 0) { | |
3622 | /* Calculate number of free request entries. */ | |
3623 | cnt = RD_REG_WORD(®->mailbox4); | |
3624 | if (ha->req_ring_index < cnt) | |
3625 | ha->req_q_cnt = cnt - ha->req_ring_index; | |
3626 | else | |
3627 | ha->req_q_cnt = | |
3628 | REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt); | |
3629 | } | |
3630 | ||
3631 | /* Found empty request ring slot? */ | |
3632 | if (ha->req_q_cnt > 0) { | |
3633 | ha->req_q_cnt--; | |
3634 | pkt = ha->request_ring_ptr; | |
3635 | ||
3636 | /* Zero out packet. */ | |
3637 | memset(pkt, 0, REQUEST_ENTRY_SIZE); | |
3638 | ||
3639 | /* | |
3640 | * How can this be right when we have a ring | |
3641 | * size of 512??? | |
3642 | */ | |
3643 | /* Set system defined field. */ | |
3644 | pkt->sys_define = (uint8_t) ha->req_ring_index; | |
3645 | ||
3646 | /* Set entry count. */ | |
3647 | pkt->entry_count = 1; | |
3648 | ||
3649 | break; | |
3650 | } | |
3651 | ||
3652 | udelay(2); /* 10 */ | |
3653 | ||
3654 | /* Check for pending interrupts. */ | |
3655 | qla1280_poll(ha); | |
3656 | } | |
3657 | ||
3658 | if (!pkt) | |
3659 | dprintk(2, "qla1280_req_pkt: **** FAILED ****\n"); | |
3660 | else | |
3661 | dprintk(3, "qla1280_req_pkt: exiting normally\n"); | |
3662 | ||
3663 | return pkt; | |
3664 | } | |
3665 | ||
3666 | /* | |
3667 | * qla1280_isp_cmd | |
3668 | * Function is responsible for modifying ISP input pointer. | |
3669 | * Releases ring lock. | |
3670 | * | |
3671 | * Input: | |
3672 | * ha = adapter block pointer. | |
3673 | */ | |
3674 | static void | |
3675 | qla1280_isp_cmd(struct scsi_qla_host *ha) | |
3676 | { | |
3677 | struct device_reg __iomem *reg = ha->iobase; | |
3678 | ||
3679 | ENTER("qla1280_isp_cmd"); | |
3680 | ||
3681 | dprintk(5, "qla1280_isp_cmd: IOCB data:\n"); | |
3682 | qla1280_dump_buffer(5, (char *)ha->request_ring_ptr, | |
3683 | REQUEST_ENTRY_SIZE); | |
3684 | ||
3685 | /* Adjust ring index. */ | |
3686 | ha->req_ring_index++; | |
3687 | if (ha->req_ring_index == REQUEST_ENTRY_CNT) { | |
3688 | ha->req_ring_index = 0; | |
3689 | ha->request_ring_ptr = ha->request_ring; | |
3690 | } else | |
3691 | ha->request_ring_ptr++; | |
3692 | ||
3693 | /* | |
3694 | * Update request index to mailbox4 (Request Queue In). | |
3695 | * The mmiowb() ensures that this write is ordered with writes by other | |
3696 | * CPUs. Without the mmiowb(), it is possible for the following: | |
3697 | * CPUA posts write of index 5 to mailbox4 | |
3698 | * CPUA releases host lock | |
3699 | * CPUB acquires host lock | |
3700 | * CPUB posts write of index 6 to mailbox4 | |
3701 | * On PCI bus, order reverses and write of 6 posts, then index 5, | |
3702 | * causing chip to issue full queue of stale commands | |
3703 | * The mmiowb() prevents future writes from crossing the barrier. | |
3704 | * See Documentation/DocBook/deviceiobook.tmpl for more information. | |
3705 | */ | |
3706 | WRT_REG_WORD(®->mailbox4, ha->req_ring_index); | |
3707 | mmiowb(); | |
3708 | ||
3709 | LEAVE("qla1280_isp_cmd"); | |
3710 | } | |
3711 | ||
3712 | /****************************************************************************/ | |
3713 | /* Interrupt Service Routine. */ | |
3714 | /****************************************************************************/ | |
3715 | ||
3716 | /**************************************************************************** | |
3717 | * qla1280_isr | |
3718 | * Calls I/O done on command completion. | |
3719 | * | |
3720 | * Input: | |
3721 | * ha = adapter block pointer. | |
3722 | * done_q = done queue. | |
3723 | ****************************************************************************/ | |
3724 | static void | |
3725 | qla1280_isr(struct scsi_qla_host *ha, struct list_head *done_q) | |
3726 | { | |
3727 | struct device_reg __iomem *reg = ha->iobase; | |
3728 | struct response *pkt; | |
3729 | struct srb *sp = NULL; | |
3730 | uint16_t mailbox[MAILBOX_REGISTER_COUNT]; | |
3731 | uint16_t *wptr; | |
3732 | uint32_t index; | |
3733 | u16 istatus; | |
3734 | ||
3735 | ENTER("qla1280_isr"); | |
3736 | ||
3737 | istatus = RD_REG_WORD(®->istatus); | |
3738 | if (!(istatus & (RISC_INT | PCI_INT))) | |
3739 | return; | |
3740 | ||
3741 | /* Save mailbox register 5 */ | |
3742 | mailbox[5] = RD_REG_WORD(®->mailbox5); | |
3743 | ||
3744 | /* Check for mailbox interrupt. */ | |
3745 | ||
3746 | mailbox[0] = RD_REG_WORD_dmasync(®->semaphore); | |
3747 | ||
3748 | if (mailbox[0] & BIT_0) { | |
3749 | /* Get mailbox data. */ | |
3750 | /* dprintk(1, "qla1280_isr: In Get mailbox data \n"); */ | |
3751 | ||
3752 | wptr = &mailbox[0]; | |
3753 | *wptr++ = RD_REG_WORD(®->mailbox0); | |
3754 | *wptr++ = RD_REG_WORD(®->mailbox1); | |
3755 | *wptr = RD_REG_WORD(®->mailbox2); | |
3756 | if (mailbox[0] != MBA_SCSI_COMPLETION) { | |
3757 | wptr++; | |
3758 | *wptr++ = RD_REG_WORD(®->mailbox3); | |
3759 | *wptr++ = RD_REG_WORD(®->mailbox4); | |
3760 | wptr++; | |
3761 | *wptr++ = RD_REG_WORD(®->mailbox6); | |
3762 | *wptr = RD_REG_WORD(®->mailbox7); | |
3763 | } | |
3764 | ||
3765 | /* Release mailbox registers. */ | |
3766 | ||
3767 | WRT_REG_WORD(®->semaphore, 0); | |
3768 | WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT); | |
3769 | ||
3770 | dprintk(5, "qla1280_isr: mailbox interrupt mailbox[0] = 0x%x", | |
3771 | mailbox[0]); | |
3772 | ||
3773 | /* Handle asynchronous event */ | |
3774 | switch (mailbox[0]) { | |
3775 | case MBA_SCSI_COMPLETION: /* Response completion */ | |
3776 | dprintk(5, "qla1280_isr: mailbox SCSI response " | |
3777 | "completion\n"); | |
3778 | ||
3779 | if (ha->flags.online) { | |
3780 | /* Get outstanding command index. */ | |
3781 | index = mailbox[2] << 16 | mailbox[1]; | |
3782 | ||
3783 | /* Validate handle. */ | |
3784 | if (index < MAX_OUTSTANDING_COMMANDS) | |
3785 | sp = ha->outstanding_cmds[index]; | |
3786 | else | |
3787 | sp = NULL; | |
3788 | ||
3789 | if (sp) { | |
3790 | /* Free outstanding command slot. */ | |
3791 | ha->outstanding_cmds[index] = NULL; | |
3792 | ||
3793 | /* Save ISP completion status */ | |
3794 | CMD_RESULT(sp->cmd) = 0; | |
3795 | ||
3796 | /* Place block on done queue */ | |
3797 | list_add_tail(&sp->list, done_q); | |
3798 | } else { | |
3799 | /* | |
3800 | * If we get here we have a real problem! | |
3801 | */ | |
3802 | printk(KERN_WARNING | |
3803 | "qla1280: ISP invalid handle"); | |
3804 | } | |
3805 | } | |
3806 | break; | |
3807 | ||
3808 | case MBA_BUS_RESET: /* SCSI Bus Reset */ | |
3809 | ha->flags.reset_marker = 1; | |
3810 | index = mailbox[6] & BIT_0; | |
3811 | ha->bus_settings[index].reset_marker = 1; | |
3812 | ||
3813 | printk(KERN_DEBUG "qla1280_isr(): index %i " | |
3814 | "asynchronous BUS_RESET\n", index); | |
3815 | break; | |
3816 | ||
3817 | case MBA_SYSTEM_ERR: /* System Error */ | |
3818 | printk(KERN_WARNING | |
3819 | "qla1280: ISP System Error - mbx1=%xh, mbx2=" | |
3820 | "%xh, mbx3=%xh\n", mailbox[1], mailbox[2], | |
3821 | mailbox[3]); | |
3822 | break; | |
3823 | ||
3824 | case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ | |
3825 | printk(KERN_WARNING | |
3826 | "qla1280: ISP Request Transfer Error\n"); | |
3827 | break; | |
3828 | ||
3829 | case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ | |
3830 | printk(KERN_WARNING | |
3831 | "qla1280: ISP Response Transfer Error\n"); | |
3832 | break; | |
3833 | ||
3834 | case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ | |
3835 | dprintk(2, "qla1280_isr: asynchronous WAKEUP_THRES\n"); | |
3836 | break; | |
3837 | ||
3838 | case MBA_TIMEOUT_RESET: /* Execution Timeout Reset */ | |
3839 | dprintk(2, | |
3840 | "qla1280_isr: asynchronous TIMEOUT_RESET\n"); | |
3841 | break; | |
3842 | ||
3843 | case MBA_DEVICE_RESET: /* Bus Device Reset */ | |
3844 | printk(KERN_INFO "qla1280_isr(): asynchronous " | |
3845 | "BUS_DEVICE_RESET\n"); | |
3846 | ||
3847 | ha->flags.reset_marker = 1; | |
3848 | index = mailbox[6] & BIT_0; | |
3849 | ha->bus_settings[index].reset_marker = 1; | |
3850 | break; | |
3851 | ||
3852 | case MBA_BUS_MODE_CHANGE: | |
3853 | dprintk(2, | |
3854 | "qla1280_isr: asynchronous BUS_MODE_CHANGE\n"); | |
3855 | break; | |
3856 | ||
3857 | default: | |
3858 | /* dprintk(1, "qla1280_isr: default case of switch MB \n"); */ | |
3859 | if (mailbox[0] < MBA_ASYNC_EVENT) { | |
3860 | wptr = &mailbox[0]; | |
3861 | memcpy((uint16_t *) ha->mailbox_out, wptr, | |
3862 | MAILBOX_REGISTER_COUNT * | |
3863 | sizeof(uint16_t)); | |
3864 | ||
3865 | if(ha->mailbox_wait != NULL) | |
3866 | complete(ha->mailbox_wait); | |
3867 | } | |
3868 | break; | |
3869 | } | |
3870 | } else { | |
3871 | WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT); | |
3872 | } | |
3873 | ||
3874 | /* | |
3875 | * We will receive interrupts during mailbox testing prior to | |
3876 | * the card being marked online, hence the double check. | |
3877 | */ | |
3878 | if (!(ha->flags.online && !ha->mailbox_wait)) { | |
3879 | dprintk(2, "qla1280_isr: Response pointer Error\n"); | |
3880 | goto out; | |
3881 | } | |
3882 | ||
3883 | if (mailbox[5] >= RESPONSE_ENTRY_CNT) | |
3884 | goto out; | |
3885 | ||
3886 | while (ha->rsp_ring_index != mailbox[5]) { | |
3887 | pkt = ha->response_ring_ptr; | |
3888 | ||
3889 | dprintk(5, "qla1280_isr: ha->rsp_ring_index = 0x%x, mailbox[5]" | |
3890 | " = 0x%x\n", ha->rsp_ring_index, mailbox[5]); | |
3891 | dprintk(5,"qla1280_isr: response packet data\n"); | |
3892 | qla1280_dump_buffer(5, (char *)pkt, RESPONSE_ENTRY_SIZE); | |
3893 | ||
3894 | if (pkt->entry_type == STATUS_TYPE) { | |
3895 | if ((le16_to_cpu(pkt->scsi_status) & 0xff) | |
3896 | || pkt->comp_status || pkt->entry_status) { | |
3897 | dprintk(2, "qla1280_isr: ha->rsp_ring_index = " | |
3898 | "0x%x mailbox[5] = 0x%x, comp_status " | |
3899 | "= 0x%x, scsi_status = 0x%x\n", | |
3900 | ha->rsp_ring_index, mailbox[5], | |
3901 | le16_to_cpu(pkt->comp_status), | |
3902 | le16_to_cpu(pkt->scsi_status)); | |
3903 | } | |
3904 | } else { | |
3905 | dprintk(2, "qla1280_isr: ha->rsp_ring_index = " | |
3906 | "0x%x, mailbox[5] = 0x%x\n", | |
3907 | ha->rsp_ring_index, mailbox[5]); | |
3908 | dprintk(2, "qla1280_isr: response packet data\n"); | |
3909 | qla1280_dump_buffer(2, (char *)pkt, | |
3910 | RESPONSE_ENTRY_SIZE); | |
3911 | } | |
3912 | ||
3913 | if (pkt->entry_type == STATUS_TYPE || pkt->entry_status) { | |
3914 | dprintk(2, "status: Cmd %p, handle %i\n", | |
3915 | ha->outstanding_cmds[pkt->handle]->cmd, | |
3916 | pkt->handle); | |
3917 | if (pkt->entry_type == STATUS_TYPE) | |
3918 | qla1280_status_entry(ha, pkt, done_q); | |
3919 | else | |
3920 | qla1280_error_entry(ha, pkt, done_q); | |
3921 | /* Adjust ring index. */ | |
3922 | ha->rsp_ring_index++; | |
3923 | if (ha->rsp_ring_index == RESPONSE_ENTRY_CNT) { | |
3924 | ha->rsp_ring_index = 0; | |
3925 | ha->response_ring_ptr = ha->response_ring; | |
3926 | } else | |
3927 | ha->response_ring_ptr++; | |
3928 | WRT_REG_WORD(®->mailbox5, ha->rsp_ring_index); | |
3929 | } | |
3930 | } | |
3931 | ||
3932 | out: | |
3933 | LEAVE("qla1280_isr"); | |
3934 | } | |
3935 | ||
3936 | /* | |
3937 | * qla1280_rst_aen | |
3938 | * Processes asynchronous reset. | |
3939 | * | |
3940 | * Input: | |
3941 | * ha = adapter block pointer. | |
3942 | */ | |
3943 | static void | |
3944 | qla1280_rst_aen(struct scsi_qla_host *ha) | |
3945 | { | |
3946 | uint8_t bus; | |
3947 | ||
3948 | ENTER("qla1280_rst_aen"); | |
3949 | ||
3950 | if (ha->flags.online && !ha->flags.reset_active && | |
3951 | !ha->flags.abort_isp_active) { | |
3952 | ha->flags.reset_active = 1; | |
3953 | while (ha->flags.reset_marker) { | |
3954 | /* Issue marker command. */ | |
3955 | ha->flags.reset_marker = 0; | |
3956 | for (bus = 0; bus < ha->ports && | |
3957 | !ha->flags.reset_marker; bus++) { | |
3958 | if (ha->bus_settings[bus].reset_marker) { | |
3959 | ha->bus_settings[bus].reset_marker = 0; | |
3960 | qla1280_marker(ha, bus, 0, 0, | |
3961 | MK_SYNC_ALL); | |
3962 | } | |
3963 | } | |
3964 | } | |
3965 | } | |
3966 | ||
3967 | LEAVE("qla1280_rst_aen"); | |
3968 | } | |
3969 | ||
3970 | ||
3971 | #if LINUX_VERSION_CODE < 0x020500 | |
3972 | /* | |
3973 | * | |
3974 | */ | |
3975 | static void | |
3976 | qla1280_get_target_options(struct scsi_cmnd *cmd, struct scsi_qla_host *ha) | |
3977 | { | |
3978 | unsigned char *result; | |
3979 | struct nvram *n; | |
3980 | int bus, target, lun; | |
3981 | ||
3982 | bus = SCSI_BUS_32(cmd); | |
3983 | target = SCSI_TCN_32(cmd); | |
3984 | lun = SCSI_LUN_32(cmd); | |
3985 | ||
3986 | /* | |
3987 | * Make sure to not touch anything if someone is using the | |
3988 | * sg interface. | |
3989 | */ | |
3990 | if (cmd->use_sg || (CMD_RESULT(cmd) >> 16) != DID_OK || lun) | |
3991 | return; | |
3992 | ||
3993 | result = cmd->request_buffer; | |
3994 | n = &ha->nvram; | |
3995 | ||
3996 | n->bus[bus].target[target].parameter.f.enable_wide = 0; | |
3997 | n->bus[bus].target[target].parameter.f.enable_sync = 0; | |
3998 | n->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 0; | |
3999 | ||
4000 | if (result[7] & 0x60) | |
4001 | n->bus[bus].target[target].parameter.f.enable_wide = 1; | |
4002 | if (result[7] & 0x10) | |
4003 | n->bus[bus].target[target].parameter.f.enable_sync = 1; | |
4004 | if ((result[2] >= 3) && (result[4] + 5 > 56) && | |
4005 | (result[56] & 0x4)) | |
4006 | n->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 1; | |
4007 | ||
4008 | dprintk(2, "get_target_options(): wide %i, sync %i, ppr %i\n", | |
4009 | n->bus[bus].target[target].parameter.f.enable_wide, | |
4010 | n->bus[bus].target[target].parameter.f.enable_sync, | |
4011 | n->bus[bus].target[target].ppr_1x160.flags.enable_ppr); | |
4012 | } | |
4013 | #endif | |
4014 | ||
4015 | /* | |
4016 | * qla1280_status_entry | |
4017 | * Processes received ISP status entry. | |
4018 | * | |
4019 | * Input: | |
4020 | * ha = adapter block pointer. | |
4021 | * pkt = entry pointer. | |
4022 | * done_q = done queue. | |
4023 | */ | |
4024 | static void | |
4025 | qla1280_status_entry(struct scsi_qla_host *ha, struct response *pkt, | |
4026 | struct list_head *done_q) | |
4027 | { | |
4028 | unsigned int bus, target, lun; | |
4029 | int sense_sz; | |
4030 | struct srb *sp; | |
4031 | struct scsi_cmnd *cmd; | |
4032 | uint32_t handle = le32_to_cpu(pkt->handle); | |
4033 | uint16_t scsi_status = le16_to_cpu(pkt->scsi_status); | |
4034 | uint16_t comp_status = le16_to_cpu(pkt->comp_status); | |
4035 | ||
4036 | ENTER("qla1280_status_entry"); | |
4037 | ||
4038 | /* Validate handle. */ | |
4039 | if (handle < MAX_OUTSTANDING_COMMANDS) | |
4040 | sp = ha->outstanding_cmds[handle]; | |
4041 | else | |
4042 | sp = NULL; | |
4043 | ||
4044 | if (!sp) { | |
4045 | printk(KERN_WARNING "qla1280: Status Entry invalid handle\n"); | |
4046 | goto out; | |
4047 | } | |
4048 | ||
4049 | /* Free outstanding command slot. */ | |
4050 | ha->outstanding_cmds[handle] = NULL; | |
4051 | ||
4052 | cmd = sp->cmd; | |
4053 | ||
4054 | /* Generate LU queue on cntrl, target, LUN */ | |
4055 | bus = SCSI_BUS_32(cmd); | |
4056 | target = SCSI_TCN_32(cmd); | |
4057 | lun = SCSI_LUN_32(cmd); | |
4058 | ||
4059 | if (comp_status || scsi_status) { | |
4060 | dprintk(3, "scsi: comp_status = 0x%x, scsi_status = " | |
4061 | "0x%x, handle = 0x%x\n", comp_status, | |
4062 | scsi_status, handle); | |
4063 | } | |
4064 | ||
7d0e11fb JH |
4065 | /* Target busy or queue full */ |
4066 | if ((scsi_status & 0xFF) == SAM_STAT_TASK_SET_FULL || | |
4067 | (scsi_status & 0xFF) == SAM_STAT_BUSY) { | |
4068 | CMD_RESULT(cmd) = scsi_status & 0xff; | |
1da177e4 LT |
4069 | } else { |
4070 | ||
4071 | /* Save ISP completion status */ | |
4072 | CMD_RESULT(cmd) = qla1280_return_status(pkt, cmd); | |
4073 | ||
4074 | if (scsi_status & SS_CHECK_CONDITION) { | |
4075 | if (comp_status != CS_ARS_FAILED) { | |
4076 | uint16_t req_sense_length = | |
4077 | le16_to_cpu(pkt->req_sense_length); | |
4078 | if (req_sense_length < CMD_SNSLEN(cmd)) | |
4079 | sense_sz = req_sense_length; | |
4080 | else | |
4081 | /* | |
4082 | * scsi_cmnd->sense_buffer is | |
4083 | * 64 bytes, why only copy 63? | |
4084 | * This looks wrong! /Jes | |
4085 | */ | |
4086 | sense_sz = CMD_SNSLEN(cmd) - 1; | |
4087 | ||
4088 | memcpy(cmd->sense_buffer, | |
4089 | &pkt->req_sense_data, sense_sz); | |
4090 | } else | |
4091 | sense_sz = 0; | |
4092 | memset(cmd->sense_buffer + sense_sz, 0, | |
4093 | sizeof(cmd->sense_buffer) - sense_sz); | |
4094 | ||
4095 | dprintk(2, "qla1280_status_entry: Check " | |
4096 | "condition Sense data, b %i, t %i, " | |
4097 | "l %i\n", bus, target, lun); | |
4098 | if (sense_sz) | |
4099 | qla1280_dump_buffer(2, | |
4100 | (char *)cmd->sense_buffer, | |
4101 | sense_sz); | |
4102 | } | |
4103 | } | |
4104 | ||
4105 | /* Place command on done queue. */ | |
4106 | list_add_tail(&sp->list, done_q); | |
4107 | out: | |
4108 | LEAVE("qla1280_status_entry"); | |
4109 | } | |
4110 | ||
4111 | /* | |
4112 | * qla1280_error_entry | |
4113 | * Processes error entry. | |
4114 | * | |
4115 | * Input: | |
4116 | * ha = adapter block pointer. | |
4117 | * pkt = entry pointer. | |
4118 | * done_q = done queue. | |
4119 | */ | |
4120 | static void | |
4121 | qla1280_error_entry(struct scsi_qla_host *ha, struct response *pkt, | |
4122 | struct list_head *done_q) | |
4123 | { | |
4124 | struct srb *sp; | |
4125 | uint32_t handle = le32_to_cpu(pkt->handle); | |
4126 | ||
4127 | ENTER("qla1280_error_entry"); | |
4128 | ||
4129 | if (pkt->entry_status & BIT_3) | |
4130 | dprintk(2, "qla1280_error_entry: BAD PAYLOAD flag error\n"); | |
4131 | else if (pkt->entry_status & BIT_2) | |
4132 | dprintk(2, "qla1280_error_entry: BAD HEADER flag error\n"); | |
4133 | else if (pkt->entry_status & BIT_1) | |
4134 | dprintk(2, "qla1280_error_entry: FULL flag error\n"); | |
4135 | else | |
4136 | dprintk(2, "qla1280_error_entry: UNKNOWN flag error\n"); | |
4137 | ||
4138 | /* Validate handle. */ | |
4139 | if (handle < MAX_OUTSTANDING_COMMANDS) | |
4140 | sp = ha->outstanding_cmds[handle]; | |
4141 | else | |
4142 | sp = NULL; | |
4143 | ||
4144 | if (sp) { | |
4145 | /* Free outstanding command slot. */ | |
4146 | ha->outstanding_cmds[handle] = NULL; | |
4147 | ||
4148 | /* Bad payload or header */ | |
4149 | if (pkt->entry_status & (BIT_3 + BIT_2)) { | |
4150 | /* Bad payload or header, set error status. */ | |
4151 | /* CMD_RESULT(sp->cmd) = CS_BAD_PAYLOAD; */ | |
4152 | CMD_RESULT(sp->cmd) = DID_ERROR << 16; | |
4153 | } else if (pkt->entry_status & BIT_1) { /* FULL flag */ | |
4154 | CMD_RESULT(sp->cmd) = DID_BUS_BUSY << 16; | |
4155 | } else { | |
4156 | /* Set error status. */ | |
4157 | CMD_RESULT(sp->cmd) = DID_ERROR << 16; | |
4158 | } | |
4159 | ||
4160 | /* Place command on done queue. */ | |
4161 | list_add_tail(&sp->list, done_q); | |
4162 | } | |
4163 | #ifdef QLA_64BIT_PTR | |
4164 | else if (pkt->entry_type == COMMAND_A64_TYPE) { | |
4165 | printk(KERN_WARNING "!qla1280: Error Entry invalid handle"); | |
4166 | } | |
4167 | #endif | |
4168 | ||
4169 | LEAVE("qla1280_error_entry"); | |
4170 | } | |
4171 | ||
4172 | /* | |
4173 | * qla1280_abort_isp | |
4174 | * Resets ISP and aborts all outstanding commands. | |
4175 | * | |
4176 | * Input: | |
4177 | * ha = adapter block pointer. | |
4178 | * | |
4179 | * Returns: | |
4180 | * 0 = success | |
4181 | */ | |
4182 | static int | |
4183 | qla1280_abort_isp(struct scsi_qla_host *ha) | |
4184 | { | |
4185 | struct device_reg __iomem *reg = ha->iobase; | |
4186 | struct srb *sp; | |
4187 | int status = 0; | |
4188 | int cnt; | |
4189 | int bus; | |
4190 | ||
4191 | ENTER("qla1280_abort_isp"); | |
4192 | ||
4193 | if (ha->flags.abort_isp_active || !ha->flags.online) | |
4194 | goto out; | |
4195 | ||
4196 | ha->flags.abort_isp_active = 1; | |
4197 | ||
4198 | /* Disable ISP interrupts. */ | |
4199 | qla1280_disable_intrs(ha); | |
4200 | WRT_REG_WORD(®->host_cmd, HC_PAUSE_RISC); | |
4201 | RD_REG_WORD(®->id_l); | |
4202 | ||
4203 | printk(KERN_INFO "scsi(%li): dequeuing outstanding commands\n", | |
4204 | ha->host_no); | |
4205 | /* Dequeue all commands in outstanding command list. */ | |
4206 | for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
4207 | struct scsi_cmnd *cmd; | |
4208 | sp = ha->outstanding_cmds[cnt]; | |
4209 | if (sp) { | |
4210 | ||
4211 | cmd = sp->cmd; | |
4212 | CMD_RESULT(cmd) = DID_RESET << 16; | |
4213 | ||
4214 | sp->cmd = NULL; | |
4215 | ha->outstanding_cmds[cnt] = NULL; | |
4216 | ||
4217 | (*cmd->scsi_done)(cmd); | |
4218 | ||
4219 | sp->flags = 0; | |
4220 | } | |
4221 | } | |
4222 | ||
4223 | status = qla1280_load_firmware(ha); | |
4224 | if (status) | |
4225 | goto out; | |
4226 | ||
4227 | /* Setup adapter based on NVRAM parameters. */ | |
4228 | qla1280_nvram_config (ha); | |
4229 | ||
4230 | status = qla1280_init_rings(ha); | |
4231 | if (status) | |
4232 | goto out; | |
4233 | ||
4234 | /* Issue SCSI reset. */ | |
4235 | for (bus = 0; bus < ha->ports; bus++) | |
4236 | qla1280_bus_reset(ha, bus); | |
4237 | ||
4238 | ha->flags.abort_isp_active = 0; | |
4239 | out: | |
4240 | if (status) { | |
4241 | printk(KERN_WARNING | |
4242 | "qla1280: ISP error recovery failed, board disabled"); | |
4243 | qla1280_reset_adapter(ha); | |
4244 | dprintk(2, "qla1280_abort_isp: **** FAILED ****\n"); | |
4245 | } | |
4246 | ||
4247 | LEAVE("qla1280_abort_isp"); | |
4248 | return status; | |
4249 | } | |
4250 | ||
4251 | ||
4252 | /* | |
4253 | * qla1280_debounce_register | |
4254 | * Debounce register. | |
4255 | * | |
4256 | * Input: | |
4257 | * port = register address. | |
4258 | * | |
4259 | * Returns: | |
4260 | * register value. | |
4261 | */ | |
4262 | static u16 | |
4263 | qla1280_debounce_register(volatile u16 __iomem * addr) | |
4264 | { | |
4265 | volatile u16 ret; | |
4266 | volatile u16 ret2; | |
4267 | ||
4268 | ret = RD_REG_WORD(addr); | |
4269 | ret2 = RD_REG_WORD(addr); | |
4270 | ||
4271 | if (ret == ret2) | |
4272 | return ret; | |
4273 | ||
4274 | do { | |
4275 | cpu_relax(); | |
4276 | ret = RD_REG_WORD(addr); | |
4277 | ret2 = RD_REG_WORD(addr); | |
4278 | } while (ret != ret2); | |
4279 | ||
4280 | return ret; | |
4281 | } | |
4282 | ||
4283 | ||
4284 | /************************************************************************ | |
4285 | * qla1280_check_for_dead_scsi_bus * | |
4286 | * * | |
4287 | * This routine checks for a dead SCSI bus * | |
4288 | ************************************************************************/ | |
4289 | #define SET_SXP_BANK 0x0100 | |
4290 | #define SCSI_PHASE_INVALID 0x87FF | |
4291 | static int | |
4292 | qla1280_check_for_dead_scsi_bus(struct scsi_qla_host *ha, unsigned int bus) | |
4293 | { | |
4294 | uint16_t config_reg, scsi_control; | |
4295 | struct device_reg __iomem *reg = ha->iobase; | |
4296 | ||
4297 | if (ha->bus_settings[bus].scsi_bus_dead) { | |
4298 | WRT_REG_WORD(®->host_cmd, HC_PAUSE_RISC); | |
4299 | config_reg = RD_REG_WORD(®->cfg_1); | |
4300 | WRT_REG_WORD(®->cfg_1, SET_SXP_BANK); | |
4301 | scsi_control = RD_REG_WORD(®->scsiControlPins); | |
4302 | WRT_REG_WORD(®->cfg_1, config_reg); | |
4303 | WRT_REG_WORD(®->host_cmd, HC_RELEASE_RISC); | |
4304 | ||
4305 | if (scsi_control == SCSI_PHASE_INVALID) { | |
4306 | ha->bus_settings[bus].scsi_bus_dead = 1; | |
4307 | #if 0 | |
4308 | CMD_RESULT(cp) = DID_NO_CONNECT << 16; | |
4309 | CMD_HANDLE(cp) = INVALID_HANDLE; | |
4310 | /* ha->actthreads--; */ | |
4311 | ||
4312 | (*(cp)->scsi_done)(cp); | |
4313 | #endif | |
4314 | return 1; /* bus is dead */ | |
4315 | } else { | |
4316 | ha->bus_settings[bus].scsi_bus_dead = 0; | |
4317 | ha->bus_settings[bus].failed_reset_count = 0; | |
4318 | } | |
4319 | } | |
4320 | return 0; /* bus is not dead */ | |
4321 | } | |
4322 | ||
4323 | static void | |
4324 | qla1280_get_target_parameters(struct scsi_qla_host *ha, | |
4325 | struct scsi_device *device) | |
4326 | { | |
4327 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
4328 | int bus, target, lun; | |
4329 | ||
4330 | bus = device->channel; | |
4331 | target = device->id; | |
4332 | lun = device->lun; | |
4333 | ||
4334 | ||
4335 | mb[0] = MBC_GET_TARGET_PARAMETERS; | |
4336 | mb[1] = (uint16_t) (bus ? target | BIT_7 : target); | |
4337 | mb[1] <<= 8; | |
4338 | qla1280_mailbox_command(ha, BIT_6 | BIT_3 | BIT_2 | BIT_1 | BIT_0, | |
4339 | &mb[0]); | |
4340 | ||
4341 | printk(KERN_INFO "scsi(%li:%d:%d:%d):", ha->host_no, bus, target, lun); | |
4342 | ||
4343 | if (mb[3] != 0) { | |
4344 | printk(" Sync: period %d, offset %d", | |
4345 | (mb[3] & 0xff), (mb[3] >> 8)); | |
4346 | if (mb[2] & BIT_13) | |
4347 | printk(", Wide"); | |
4348 | if ((mb[2] & BIT_5) && ((mb[6] >> 8) & 0xff) >= 2) | |
4349 | printk(", DT"); | |
4350 | } else | |
4351 | printk(" Async"); | |
4352 | ||
4353 | if (DEV_SIMPLE_TAGS(device)) | |
4354 | printk(", Tagged queuing: depth %d", device->queue_depth); | |
4355 | printk("\n"); | |
4356 | } | |
4357 | ||
4358 | ||
4359 | #if DEBUG_QLA1280 | |
4360 | static void | |
4361 | __qla1280_dump_buffer(char *b, int size) | |
4362 | { | |
4363 | int cnt; | |
4364 | u8 c; | |
4365 | ||
4366 | printk(KERN_DEBUG " 0 1 2 3 4 5 6 7 8 9 Ah " | |
4367 | "Bh Ch Dh Eh Fh\n"); | |
4368 | printk(KERN_DEBUG "---------------------------------------------" | |
4369 | "------------------\n"); | |
4370 | ||
4371 | for (cnt = 0; cnt < size;) { | |
4372 | c = *b++; | |
4373 | ||
4374 | printk("0x%02x", c); | |
4375 | cnt++; | |
4376 | if (!(cnt % 16)) | |
4377 | printk("\n"); | |
4378 | else | |
4379 | printk(" "); | |
4380 | } | |
4381 | if (cnt % 16) | |
4382 | printk("\n"); | |
4383 | } | |
4384 | ||
4385 | /************************************************************************** | |
4386 | * ql1280_print_scsi_cmd | |
4387 | * | |
4388 | **************************************************************************/ | |
4389 | static void | |
4390 | __qla1280_print_scsi_cmd(struct scsi_cmnd *cmd) | |
4391 | { | |
4392 | struct scsi_qla_host *ha; | |
4393 | struct Scsi_Host *host = CMD_HOST(cmd); | |
4394 | struct srb *sp; | |
4395 | /* struct scatterlist *sg; */ | |
4396 | ||
4397 | int i; | |
4398 | ha = (struct scsi_qla_host *)host->hostdata; | |
4399 | ||
4400 | sp = (struct srb *)CMD_SP(cmd); | |
4401 | printk("SCSI Command @= 0x%p, Handle=0x%p\n", cmd, CMD_HANDLE(cmd)); | |
4402 | printk(" chan=%d, target = 0x%02x, lun = 0x%02x, cmd_len = 0x%02x\n", | |
4403 | SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd), | |
4404 | CMD_CDBLEN(cmd)); | |
4405 | printk(" CDB = "); | |
4406 | for (i = 0; i < cmd->cmd_len; i++) { | |
4407 | printk("0x%02x ", cmd->cmnd[i]); | |
4408 | } | |
4409 | printk(" seg_cnt =%d\n", cmd->use_sg); | |
4410 | printk(" request buffer=0x%p, request buffer len=0x%x\n", | |
4411 | cmd->request_buffer, cmd->request_bufflen); | |
4412 | /* if (cmd->use_sg) | |
4413 | { | |
4414 | sg = (struct scatterlist *) cmd->request_buffer; | |
4415 | printk(" SG buffer: \n"); | |
4416 | qla1280_dump_buffer(1, (char *)sg, (cmd->use_sg*sizeof(struct scatterlist))); | |
4417 | } */ | |
4418 | printk(" tag=%d, transfersize=0x%x \n", | |
4419 | cmd->tag, cmd->transfersize); | |
4420 | printk(" Pid=%li, SP=0x%p\n", cmd->pid, CMD_SP(cmd)); | |
4421 | printk(" underflow size = 0x%x, direction=0x%x\n", | |
4422 | cmd->underflow, cmd->sc_data_direction); | |
4423 | } | |
4424 | ||
4425 | /************************************************************************** | |
4426 | * ql1280_dump_device | |
4427 | * | |
4428 | **************************************************************************/ | |
4429 | static void | |
4430 | ql1280_dump_device(struct scsi_qla_host *ha) | |
4431 | { | |
4432 | ||
4433 | struct scsi_cmnd *cp; | |
4434 | struct srb *sp; | |
4435 | int i; | |
4436 | ||
4437 | printk(KERN_DEBUG "Outstanding Commands on controller:\n"); | |
4438 | ||
4439 | for (i = 0; i < MAX_OUTSTANDING_COMMANDS; i++) { | |
4440 | if ((sp = ha->outstanding_cmds[i]) == NULL) | |
4441 | continue; | |
4442 | if ((cp = sp->cmd) == NULL) | |
4443 | continue; | |
4444 | qla1280_print_scsi_cmd(1, cp); | |
4445 | } | |
4446 | } | |
4447 | #endif | |
4448 | ||
4449 | ||
4450 | enum tokens { | |
4451 | TOKEN_NVRAM, | |
4452 | TOKEN_SYNC, | |
4453 | TOKEN_WIDE, | |
4454 | TOKEN_PPR, | |
4455 | TOKEN_VERBOSE, | |
4456 | TOKEN_DEBUG, | |
4457 | }; | |
4458 | ||
4459 | struct setup_tokens { | |
4460 | char *token; | |
4461 | int val; | |
4462 | }; | |
4463 | ||
4464 | static struct setup_tokens setup_token[] __initdata = | |
4465 | { | |
4466 | { "nvram", TOKEN_NVRAM }, | |
4467 | { "sync", TOKEN_SYNC }, | |
4468 | { "wide", TOKEN_WIDE }, | |
4469 | { "ppr", TOKEN_PPR }, | |
4470 | { "verbose", TOKEN_VERBOSE }, | |
4471 | { "debug", TOKEN_DEBUG }, | |
4472 | }; | |
4473 | ||
4474 | ||
4475 | /************************************************************************** | |
4476 | * qla1280_setup | |
4477 | * | |
4478 | * Handle boot parameters. This really needs to be changed so one | |
4479 | * can specify per adapter parameters. | |
4480 | **************************************************************************/ | |
4481 | static int __init | |
4482 | qla1280_setup(char *s) | |
4483 | { | |
4484 | char *cp, *ptr; | |
4485 | unsigned long val; | |
4486 | int toke; | |
4487 | ||
4488 | cp = s; | |
4489 | ||
4490 | while (cp && (ptr = strchr(cp, ':'))) { | |
4491 | ptr++; | |
4492 | if (!strcmp(ptr, "yes")) { | |
4493 | val = 0x10000; | |
4494 | ptr += 3; | |
4495 | } else if (!strcmp(ptr, "no")) { | |
4496 | val = 0; | |
4497 | ptr += 2; | |
4498 | } else | |
4499 | val = simple_strtoul(ptr, &ptr, 0); | |
4500 | ||
4501 | switch ((toke = qla1280_get_token(cp))) { | |
4502 | case TOKEN_NVRAM: | |
4503 | if (!val) | |
4504 | driver_setup.no_nvram = 1; | |
4505 | break; | |
4506 | case TOKEN_SYNC: | |
4507 | if (!val) | |
4508 | driver_setup.no_sync = 1; | |
4509 | else if (val != 0x10000) | |
4510 | driver_setup.sync_mask = val; | |
4511 | break; | |
4512 | case TOKEN_WIDE: | |
4513 | if (!val) | |
4514 | driver_setup.no_wide = 1; | |
4515 | else if (val != 0x10000) | |
4516 | driver_setup.wide_mask = val; | |
4517 | break; | |
4518 | case TOKEN_PPR: | |
4519 | if (!val) | |
4520 | driver_setup.no_ppr = 1; | |
4521 | else if (val != 0x10000) | |
4522 | driver_setup.ppr_mask = val; | |
4523 | break; | |
4524 | case TOKEN_VERBOSE: | |
4525 | qla1280_verbose = val; | |
4526 | break; | |
4527 | default: | |
4528 | printk(KERN_INFO "qla1280: unknown boot option %s\n", | |
4529 | cp); | |
4530 | } | |
4531 | ||
4532 | cp = strchr(ptr, ';'); | |
4533 | if (cp) | |
4534 | cp++; | |
4535 | else { | |
4536 | break; | |
4537 | } | |
4538 | } | |
4539 | return 1; | |
4540 | } | |
4541 | ||
4542 | ||
4543 | static int | |
4544 | qla1280_get_token(char *str) | |
4545 | { | |
4546 | char *sep; | |
4547 | long ret = -1; | |
4548 | int i, len; | |
4549 | ||
4550 | len = sizeof(setup_token)/sizeof(struct setup_tokens); | |
4551 | ||
4552 | sep = strchr(str, ':'); | |
4553 | ||
4554 | if (sep) { | |
4555 | for (i = 0; i < len; i++){ | |
4556 | ||
4557 | if (!strncmp(setup_token[i].token, str, (sep - str))) { | |
4558 | ret = setup_token[i].val; | |
4559 | break; | |
4560 | } | |
4561 | } | |
4562 | } | |
4563 | ||
4564 | return ret; | |
4565 | } | |
4566 | ||
4567 | #if LINUX_VERSION_CODE >= 0x020600 | |
4568 | static struct scsi_host_template qla1280_driver_template = { | |
4569 | .module = THIS_MODULE, | |
4570 | .proc_name = "qla1280", | |
4571 | .name = "Qlogic ISP 1280/12160", | |
4572 | .info = qla1280_info, | |
4573 | .slave_configure = qla1280_slave_configure, | |
4574 | .queuecommand = qla1280_queuecommand, | |
4575 | .eh_abort_handler = qla1280_eh_abort, | |
4576 | .eh_device_reset_handler= qla1280_eh_device_reset, | |
4577 | .eh_bus_reset_handler = qla1280_eh_bus_reset, | |
4578 | .eh_host_reset_handler = qla1280_eh_adapter_reset, | |
4579 | .bios_param = qla1280_biosparam, | |
4580 | .can_queue = 0xfffff, | |
4581 | .this_id = -1, | |
4582 | .sg_tablesize = SG_ALL, | |
4583 | .cmd_per_lun = 1, | |
4584 | .use_clustering = ENABLE_CLUSTERING, | |
4585 | }; | |
4586 | #else | |
4587 | static Scsi_Host_Template qla1280_driver_template = { | |
4588 | .proc_name = "qla1280", | |
4589 | .name = "Qlogic ISP 1280/12160", | |
4590 | .detect = qla1280_detect, | |
4591 | .release = qla1280_release, | |
4592 | .info = qla1280_info, | |
4593 | .queuecommand = qla1280_queuecommand, | |
4594 | .eh_abort_handler = qla1280_eh_abort, | |
4595 | .eh_device_reset_handler= qla1280_eh_device_reset, | |
4596 | .eh_bus_reset_handler = qla1280_eh_bus_reset, | |
4597 | .eh_host_reset_handler = qla1280_eh_adapter_reset, | |
4598 | .bios_param = qla1280_biosparam_old, | |
4599 | .can_queue = 0xfffff, | |
4600 | .this_id = -1, | |
4601 | .sg_tablesize = SG_ALL, | |
4602 | .cmd_per_lun = 1, | |
4603 | .use_clustering = ENABLE_CLUSTERING, | |
4604 | .use_new_eh_code = 1, | |
4605 | }; | |
4606 | #endif | |
4607 | ||
4608 | static int __devinit | |
4609 | qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) | |
4610 | { | |
4611 | int devnum = id->driver_data; | |
4612 | struct qla_boards *bdp = &ql1280_board_tbl[devnum]; | |
4613 | struct Scsi_Host *host; | |
4614 | struct scsi_qla_host *ha; | |
4615 | int error = -ENODEV; | |
4616 | ||
4617 | /* Bypass all AMI SUBSYS VENDOR IDs */ | |
4618 | if (pdev->subsystem_vendor == PCI_VENDOR_ID_AMI) { | |
4619 | printk(KERN_INFO | |
4620 | "qla1280: Skipping AMI SubSys Vendor ID Chip\n"); | |
4621 | goto error; | |
4622 | } | |
4623 | ||
4624 | printk(KERN_INFO "qla1280: %s found on PCI bus %i, dev %i\n", | |
4625 | bdp->name, pdev->bus->number, PCI_SLOT(pdev->devfn)); | |
4626 | ||
4627 | if (pci_enable_device(pdev)) { | |
4628 | printk(KERN_WARNING | |
4629 | "qla1280: Failed to enabled pci device, aborting.\n"); | |
4630 | goto error; | |
4631 | } | |
4632 | ||
4633 | pci_set_master(pdev); | |
4634 | ||
4635 | error = -ENOMEM; | |
4636 | host = scsi_host_alloc(&qla1280_driver_template, sizeof(*ha)); | |
4637 | if (!host) { | |
4638 | printk(KERN_WARNING | |
4639 | "qla1280: Failed to register host, aborting.\n"); | |
4640 | goto error_disable_device; | |
4641 | } | |
4642 | ||
4643 | ha = (struct scsi_qla_host *)host->hostdata; | |
4644 | memset(ha, 0, sizeof(struct scsi_qla_host)); | |
4645 | ||
4646 | ha->pdev = pdev; | |
4647 | ha->devnum = devnum; /* specifies microcode load address */ | |
4648 | ||
4649 | #ifdef QLA_64BIT_PTR | |
4650 | if (pci_set_dma_mask(ha->pdev, (dma_addr_t) ~ 0ULL)) { | |
4651 | if (pci_set_dma_mask(ha->pdev, 0xffffffff)) { | |
4652 | printk(KERN_WARNING "scsi(%li): Unable to set a " | |
4653 | " suitable DMA mask - aboring\n", ha->host_no); | |
4654 | error = -ENODEV; | |
4655 | goto error_free_irq; | |
4656 | } | |
4657 | } else | |
4658 | dprintk(2, "scsi(%li): 64 Bit PCI Addressing Enabled\n", | |
4659 | ha->host_no); | |
4660 | #else | |
4661 | if (pci_set_dma_mask(ha->pdev, 0xffffffff)) { | |
4662 | printk(KERN_WARNING "scsi(%li): Unable to set a " | |
4663 | " suitable DMA mask - aboring\n", ha->host_no); | |
4664 | error = -ENODEV; | |
4665 | goto error_free_irq; | |
4666 | } | |
4667 | #endif | |
4668 | ||
4669 | ha->request_ring = pci_alloc_consistent(ha->pdev, | |
4670 | ((REQUEST_ENTRY_CNT + 1) * (sizeof(request_t))), | |
4671 | &ha->request_dma); | |
4672 | if (!ha->request_ring) { | |
4673 | printk(KERN_INFO "qla1280: Failed to get request memory\n"); | |
4674 | goto error_put_host; | |
4675 | } | |
4676 | ||
4677 | ha->response_ring = pci_alloc_consistent(ha->pdev, | |
4678 | ((RESPONSE_ENTRY_CNT + 1) * (sizeof(struct response))), | |
4679 | &ha->response_dma); | |
4680 | if (!ha->response_ring) { | |
4681 | printk(KERN_INFO "qla1280: Failed to get response memory\n"); | |
4682 | goto error_free_request_ring; | |
4683 | } | |
4684 | ||
4685 | ha->ports = bdp->numPorts; | |
4686 | ||
4687 | ha->host = host; | |
4688 | ha->host_no = host->host_no; | |
4689 | ||
4690 | host->irq = pdev->irq; | |
4691 | host->max_channel = bdp->numPorts - 1; | |
4692 | host->max_lun = MAX_LUNS - 1; | |
4693 | host->max_id = MAX_TARGETS; | |
4694 | host->max_sectors = 1024; | |
4695 | host->unique_id = host->host_no; | |
4696 | ||
4697 | #if LINUX_VERSION_CODE < 0x020545 | |
4698 | host->select_queue_depths = qla1280_select_queue_depth; | |
4699 | #endif | |
4700 | ||
4701 | error = -ENODEV; | |
4702 | ||
4703 | #if MEMORY_MAPPED_IO | |
4704 | ha->mmpbase = ioremap(pci_resource_start(ha->pdev, 1), | |
4705 | pci_resource_len(ha->pdev, 1)); | |
4706 | if (!ha->mmpbase) { | |
4707 | printk(KERN_INFO "qla1280: Unable to map I/O memory\n"); | |
4708 | goto error_free_response_ring; | |
4709 | } | |
4710 | ||
4711 | host->base = (unsigned long)ha->mmpbase; | |
4712 | ha->iobase = (struct device_reg __iomem *)ha->mmpbase; | |
4713 | #else | |
4714 | host->io_port = pci_resource_start(ha->pdev, 0); | |
4715 | if (!request_region(host->io_port, 0xff, "qla1280")) { | |
4716 | printk(KERN_INFO "qla1280: Failed to reserve i/o region " | |
4717 | "0x%04lx-0x%04lx - already in use\n", | |
4718 | host->io_port, host->io_port + 0xff); | |
4719 | goto error_free_response_ring; | |
4720 | } | |
4721 | ||
4722 | ha->iobase = (struct device_reg *)host->io_port; | |
4723 | #endif | |
4724 | ||
4725 | INIT_LIST_HEAD(&ha->done_q); | |
4726 | ||
4727 | /* Disable ISP interrupts. */ | |
4728 | qla1280_disable_intrs(ha); | |
4729 | ||
4730 | if (request_irq(pdev->irq, qla1280_intr_handler, SA_SHIRQ, | |
4731 | "qla1280", ha)) { | |
4732 | printk("qla1280 : Failed to reserve interrupt %d already " | |
4733 | "in use\n", pdev->irq); | |
4734 | goto error_release_region; | |
4735 | } | |
4736 | ||
4737 | /* load the F/W, read paramaters, and init the H/W */ | |
4738 | if (qla1280_initialize_adapter(ha)) { | |
4739 | printk(KERN_INFO "qla1x160: Failed to initialize adapter\n"); | |
4740 | goto error_free_irq; | |
4741 | } | |
4742 | ||
4743 | /* set our host ID (need to do something about our two IDs) */ | |
4744 | host->this_id = ha->bus_settings[0].id; | |
4745 | ||
4746 | pci_set_drvdata(pdev, host); | |
4747 | ||
4748 | #if LINUX_VERSION_CODE >= 0x020600 | |
4749 | error = scsi_add_host(host, &pdev->dev); | |
4750 | if (error) | |
4751 | goto error_disable_adapter; | |
4752 | scsi_scan_host(host); | |
4753 | #else | |
4754 | scsi_set_pci_device(host, pdev); | |
4755 | #endif | |
4756 | ||
4757 | return 0; | |
4758 | ||
4759 | #if LINUX_VERSION_CODE >= 0x020600 | |
4760 | error_disable_adapter: | |
4761 | WRT_REG_WORD(&ha->iobase->ictrl, 0); | |
4762 | #endif | |
4763 | error_free_irq: | |
4764 | free_irq(pdev->irq, ha); | |
4765 | error_release_region: | |
4766 | #if MEMORY_MAPPED_IO | |
4767 | iounmap(ha->mmpbase); | |
4768 | #else | |
4769 | release_region(host->io_port, 0xff); | |
4770 | #endif | |
4771 | error_free_response_ring: | |
4772 | pci_free_consistent(ha->pdev, | |
4773 | ((RESPONSE_ENTRY_CNT + 1) * (sizeof(struct response))), | |
4774 | ha->response_ring, ha->response_dma); | |
4775 | error_free_request_ring: | |
4776 | pci_free_consistent(ha->pdev, | |
4777 | ((REQUEST_ENTRY_CNT + 1) * (sizeof(request_t))), | |
4778 | ha->request_ring, ha->request_dma); | |
4779 | error_put_host: | |
4780 | scsi_host_put(host); | |
4781 | error_disable_device: | |
4782 | pci_disable_device(pdev); | |
4783 | error: | |
4784 | return error; | |
4785 | } | |
4786 | ||
4787 | ||
4788 | static void __devexit | |
4789 | qla1280_remove_one(struct pci_dev *pdev) | |
4790 | { | |
4791 | struct Scsi_Host *host = pci_get_drvdata(pdev); | |
4792 | struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata; | |
4793 | ||
4794 | #if LINUX_VERSION_CODE >= 0x020600 | |
4795 | scsi_remove_host(host); | |
4796 | #endif | |
4797 | ||
4798 | WRT_REG_WORD(&ha->iobase->ictrl, 0); | |
4799 | ||
4800 | free_irq(pdev->irq, ha); | |
4801 | ||
4802 | #if MEMORY_MAPPED_IO | |
4803 | iounmap(ha->mmpbase); | |
4804 | #else | |
4805 | release_region(host->io_port, 0xff); | |
4806 | #endif | |
4807 | ||
4808 | pci_free_consistent(ha->pdev, | |
4809 | ((REQUEST_ENTRY_CNT + 1) * (sizeof(request_t))), | |
4810 | ha->request_ring, ha->request_dma); | |
4811 | pci_free_consistent(ha->pdev, | |
4812 | ((RESPONSE_ENTRY_CNT + 1) * (sizeof(struct response))), | |
4813 | ha->response_ring, ha->response_dma); | |
4814 | ||
4815 | pci_disable_device(pdev); | |
4816 | ||
4817 | scsi_host_put(host); | |
4818 | } | |
4819 | ||
4820 | #if LINUX_VERSION_CODE >= 0x020600 | |
4821 | static struct pci_driver qla1280_pci_driver = { | |
4822 | .name = "qla1280", | |
4823 | .id_table = qla1280_pci_tbl, | |
4824 | .probe = qla1280_probe_one, | |
4825 | .remove = __devexit_p(qla1280_remove_one), | |
4826 | }; | |
4827 | ||
4828 | static int __init | |
4829 | qla1280_init(void) | |
4830 | { | |
4831 | if (sizeof(struct srb) > sizeof(struct scsi_pointer)) { | |
4832 | printk(KERN_WARNING | |
4833 | "qla1280: struct srb too big, aborting\n"); | |
4834 | return -EINVAL; | |
4835 | } | |
4836 | ||
4837 | #ifdef MODULE | |
4838 | /* | |
4839 | * If we are called as a module, the qla1280 pointer may not be null | |
4840 | * and it would point to our bootup string, just like on the lilo | |
4841 | * command line. IF not NULL, then process this config string with | |
4842 | * qla1280_setup | |
4843 | * | |
4844 | * Boot time Options | |
4845 | * To add options at boot time add a line to your lilo.conf file like: | |
4846 | * append="qla1280=verbose,max_tags:{{255,255,255,255},{255,255,255,255}}" | |
4847 | * which will result in the first four devices on the first two | |
4848 | * controllers being set to a tagged queue depth of 32. | |
4849 | */ | |
4850 | if (qla1280) | |
4851 | qla1280_setup(qla1280); | |
4852 | #endif | |
4853 | ||
4854 | return pci_module_init(&qla1280_pci_driver); | |
4855 | } | |
4856 | ||
4857 | static void __exit | |
4858 | qla1280_exit(void) | |
4859 | { | |
4860 | pci_unregister_driver(&qla1280_pci_driver); | |
4861 | } | |
4862 | ||
4863 | module_init(qla1280_init); | |
4864 | module_exit(qla1280_exit); | |
4865 | ||
4866 | #else | |
4867 | # define driver_template qla1280_driver_template | |
4868 | # include "scsi_module.c" | |
4869 | #endif | |
4870 | ||
4871 | MODULE_AUTHOR("Qlogic & Jes Sorensen"); | |
4872 | MODULE_DESCRIPTION("Qlogic ISP SCSI (qla1x80/qla1x160) driver"); | |
4873 | MODULE_LICENSE("GPL"); | |
4874 | MODULE_VERSION(QLA1280_VERSION); | |
4875 | ||
4876 | /* | |
4877 | * Overrides for Emacs so that we almost follow Linus's tabbing style. | |
4878 | * Emacs will notice this stuff at the end of the file and automatically | |
4879 | * adjust the settings for this buffer only. This must remain at the end | |
4880 | * of the file. | |
4881 | * --------------------------------------------------------------------------- | |
4882 | * Local variables: | |
4883 | * c-basic-offset: 8 | |
4884 | * tab-width: 8 | |
4885 | * End: | |
4886 | */ |