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3e0a4e85 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
1da177e4 LT |
2 | /****************************************************************************** |
3 | * QLOGIC LINUX SOFTWARE | |
4 | * | |
5 | * QLogic QLA1280 (Ultra2) and QLA12160 (Ultra3) SCSI driver | |
6 | * Copyright (C) 2000 Qlogic Corporation (www.qlogic.com) | |
7 | * Copyright (C) 2001-2004 Jes Sorensen, Wild Open Source Inc. | |
8 | * Copyright (C) 2003-2004 Christoph Hellwig | |
9 | * | |
1da177e4 | 10 | ******************************************************************************/ |
421e33d0 | 11 | #define QLA1280_VERSION "3.27.1" |
1da177e4 LT |
12 | /***************************************************************************** |
13 | Revision History: | |
421e33d0 MR |
14 | Rev 3.27.1, February 8, 2010, Michael Reed |
15 | - Retain firmware image for error recovery. | |
413e6e18 MR |
16 | Rev 3.27, February 10, 2009, Michael Reed |
17 | - General code cleanup. | |
18 | - Improve error recovery. | |
2dbb04c6 JS |
19 | Rev 3.26, January 16, 2006 Jes Sorensen |
20 | - Ditch all < 2.6 support | |
1da177e4 LT |
21 | Rev 3.25.1, February 10, 2005 Christoph Hellwig |
22 | - use pci_map_single to map non-S/G requests | |
23 | - remove qla1280_proc_info | |
24 | Rev 3.25, September 28, 2004, Christoph Hellwig | |
25 | - add support for ISP1020/1040 | |
26 | - don't include "scsi.h" anymore for 2.6.x | |
27 | Rev 3.24.4 June 7, 2004 Christoph Hellwig | |
28 | - restructure firmware loading, cleanup initialization code | |
29 | - prepare support for ISP1020/1040 chips | |
30 | Rev 3.24.3 January 19, 2004, Jes Sorensen | |
31 | - Handle PCI DMA mask settings correctly | |
32 | - Correct order of error handling in probe_one, free_irq should not | |
33 | be called if request_irq failed | |
34 | Rev 3.24.2 January 19, 2004, James Bottomley & Andrew Vasquez | |
35 | - Big endian fixes (James) | |
36 | - Remove bogus IOCB content on zero data transfer commands (Andrew) | |
37 | Rev 3.24.1 January 5, 2004, Jes Sorensen | |
38 | - Initialize completion queue to avoid OOPS on probe | |
39 | - Handle interrupts during mailbox testing | |
40 | Rev 3.24 November 17, 2003, Christoph Hellwig | |
41 | - use struct list_head for completion queue | |
42 | - avoid old Scsi_FOO typedefs | |
43 | - cleanup 2.4 compat glue a bit | |
44 | - use <scsi/scsi_*.h> headers on 2.6 instead of "scsi.h" | |
45 | - make initialization for memory mapped vs port I/O more similar | |
46 | - remove broken pci config space manipulation | |
47 | - kill more cruft | |
48 | - this is an almost perfect 2.6 scsi driver now! ;) | |
49 | Rev 3.23.39 December 17, 2003, Jes Sorensen | |
50 | - Delete completion queue from srb if mailbox command failed to | |
51 | to avoid qla1280_done completeting qla1280_error_action's | |
52 | obsolete context | |
53 | - Reduce arguments for qla1280_done | |
54 | Rev 3.23.38 October 18, 2003, Christoph Hellwig | |
55 | - Convert to new-style hotplugable driver for 2.6 | |
56 | - Fix missing scsi_unregister/scsi_host_put on HBA removal | |
57 | - Kill some more cruft | |
58 | Rev 3.23.37 October 1, 2003, Jes Sorensen | |
59 | - Make MMIO depend on CONFIG_X86_VISWS instead of yet another | |
60 | random CONFIG option | |
61 | - Clean up locking in probe path | |
62 | Rev 3.23.36 October 1, 2003, Christoph Hellwig | |
63 | - queuecommand only ever receives new commands - clear flags | |
64 | - Reintegrate lost fixes from Linux 2.5 | |
65 | Rev 3.23.35 August 14, 2003, Jes Sorensen | |
66 | - Build against 2.6 | |
67 | Rev 3.23.34 July 23, 2003, Jes Sorensen | |
68 | - Remove pointless TRUE/FALSE macros | |
69 | - Clean up vchan handling | |
70 | Rev 3.23.33 July 3, 2003, Jes Sorensen | |
71 | - Don't define register access macros before define determining MMIO. | |
25985edc | 72 | This just happened to work out on ia64 but not elsewhere. |
1da177e4 LT |
73 | - Don't try and read from the card while it is in reset as |
74 | it won't respond and causes an MCA | |
75 | Rev 3.23.32 June 23, 2003, Jes Sorensen | |
76 | - Basic support for boot time arguments | |
77 | Rev 3.23.31 June 8, 2003, Jes Sorensen | |
78 | - Reduce boot time messages | |
79 | Rev 3.23.30 June 6, 2003, Jes Sorensen | |
80 | - Do not enable sync/wide/ppr before it has been determined | |
81 | that the target device actually supports it | |
82 | - Enable DMA arbitration for multi channel controllers | |
83 | Rev 3.23.29 June 3, 2003, Jes Sorensen | |
84 | - Port to 2.5.69 | |
85 | Rev 3.23.28 June 3, 2003, Jes Sorensen | |
86 | - Eliminate duplicate marker commands on bus resets | |
87 | - Handle outstanding commands appropriately on bus/device resets | |
88 | Rev 3.23.27 May 28, 2003, Jes Sorensen | |
89 | - Remove bogus input queue code, let the Linux SCSI layer do the work | |
90 | - Clean up NVRAM handling, only read it once from the card | |
91 | - Add a number of missing default nvram parameters | |
92 | Rev 3.23.26 Beta May 28, 2003, Jes Sorensen | |
93 | - Use completion queue for mailbox commands instead of busy wait | |
94 | Rev 3.23.25 Beta May 27, 2003, James Bottomley | |
95 | - Migrate to use new error handling code | |
96 | Rev 3.23.24 Beta May 21, 2003, James Bottomley | |
97 | - Big endian support | |
98 | - Cleanup data direction code | |
99 | Rev 3.23.23 Beta May 12, 2003, Jes Sorensen | |
100 | - Switch to using MMIO instead of PIO | |
101 | Rev 3.23.22 Beta April 15, 2003, Jes Sorensen | |
102 | - Fix PCI parity problem with 12160 during reset. | |
103 | Rev 3.23.21 Beta April 14, 2003, Jes Sorensen | |
104 | - Use pci_map_page()/pci_unmap_page() instead of map_single version. | |
105 | Rev 3.23.20 Beta April 9, 2003, Jes Sorensen | |
106 | - Remove < 2.4.x support | |
107 | - Introduce HOST_LOCK to make the spin lock changes portable. | |
108 | - Remove a bunch of idiotic and unnecessary typedef's | |
109 | - Kill all leftovers of target-mode support which never worked anyway | |
110 | Rev 3.23.19 Beta April 11, 2002, Linus Torvalds | |
111 | - Do qla1280_pci_config() before calling request_irq() and | |
112 | request_region() | |
113 | - Use pci_dma_hi32() to handle upper word of DMA addresses instead | |
114 | of large shifts | |
115 | - Hand correct arguments to free_irq() in case of failure | |
116 | Rev 3.23.18 Beta April 11, 2002, Jes Sorensen | |
117 | - Run source through Lindent and clean up the output | |
118 | Rev 3.23.17 Beta April 11, 2002, Jes Sorensen | |
119 | - Update SCSI firmware to qla1280 v8.15.00 and qla12160 v10.04.32 | |
120 | Rev 3.23.16 Beta March 19, 2002, Jes Sorensen | |
121 | - Rely on mailbox commands generating interrupts - do not | |
122 | run qla1280_isr() from ql1280_mailbox_command() | |
123 | - Remove device_reg_t | |
124 | - Integrate ql12160_set_target_parameters() with 1280 version | |
125 | - Make qla1280_setup() non static | |
126 | - Do not call qla1280_check_for_dead_scsi_bus() on every I/O request | |
c3af1715 | 127 | sent to the card - this command pauses the firmware!!! |
1da177e4 LT |
128 | Rev 3.23.15 Beta March 19, 2002, Jes Sorensen |
129 | - Clean up qla1280.h - remove obsolete QL_DEBUG_LEVEL_x definitions | |
130 | - Remove a pile of pointless and confusing (srb_t **) and | |
131 | (scsi_lu_t *) typecasts | |
132 | - Explicit mark that we do not use the new error handling (for now) | |
133 | - Remove scsi_qla_host_t and use 'struct' instead | |
134 | - Remove in_abort, watchdog_enabled, dpc, dpc_sched, bios_enabled, | |
135 | pci_64bit_slot flags which weren't used for anything anyway | |
136 | - Grab host->host_lock while calling qla1280_isr() from abort() | |
137 | - Use spin_lock()/spin_unlock() in qla1280_intr_handler() - we | |
138 | do not need to save/restore flags in the interrupt handler | |
139 | - Enable interrupts early (before any mailbox access) in preparation | |
140 | for cleaning up the mailbox handling | |
141 | Rev 3.23.14 Beta March 14, 2002, Jes Sorensen | |
142 | - Further cleanups. Remove all trace of QL_DEBUG_LEVEL_x and replace | |
143 | it with proper use of dprintk(). | |
144 | - Make qla1280_print_scsi_cmd() and qla1280_dump_buffer() both take | |
145 | a debug level argument to determine if data is to be printed | |
146 | - Add KERN_* info to printk() | |
147 | Rev 3.23.13 Beta March 14, 2002, Jes Sorensen | |
148 | - Significant cosmetic cleanups | |
149 | - Change debug code to use dprintk() and remove #if mess | |
150 | Rev 3.23.12 Beta March 13, 2002, Jes Sorensen | |
151 | - More cosmetic cleanups, fix places treating return as function | |
152 | - use cpu_relax() in qla1280_debounce_register() | |
153 | Rev 3.23.11 Beta March 13, 2002, Jes Sorensen | |
154 | - Make it compile under 2.5.5 | |
155 | Rev 3.23.10 Beta October 1, 2001, Jes Sorensen | |
156 | - Do no typecast short * to long * in QL1280BoardTbl, this | |
157 | broke miserably on big endian boxes | |
158 | Rev 3.23.9 Beta September 30, 2001, Jes Sorensen | |
159 | - Remove pre 2.2 hack for checking for reentrance in interrupt handler | |
160 | - Make data types used to receive from SCSI_{BUS,TCN,LUN}_32 | |
161 | unsigned int to match the types from struct scsi_cmnd | |
162 | Rev 3.23.8 Beta September 29, 2001, Jes Sorensen | |
163 | - Remove bogus timer_t typedef from qla1280.h | |
164 | - Remove obsolete pre 2.2 PCI setup code, use proper #define's | |
165 | for PCI_ values, call pci_set_master() | |
166 | - Fix memleak of qla1280_buffer on module unload | |
167 | - Only compile module parsing code #ifdef MODULE - should be | |
168 | changed to use individual MODULE_PARM's later | |
169 | - Remove dummy_buffer that was never modified nor printed | |
170 | - ENTER()/LEAVE() are noops unless QL_DEBUG_LEVEL_3, hence remove | |
171 | #ifdef QL_DEBUG_LEVEL_3/#endif around ENTER()/LEAVE() calls | |
172 | - Remove \r from print statements, this is Linux, not DOS | |
173 | - Remove obsolete QLA1280_{SCSILU,INTR,RING}_{LOCK,UNLOCK} | |
174 | dummy macros | |
175 | - Remove C++ compile hack in header file as Linux driver are not | |
176 | supposed to be compiled as C++ | |
177 | - Kill MS_64BITS macro as it makes the code more readable | |
178 | - Remove unnecessary flags.in_interrupts bit | |
179 | Rev 3.23.7 Beta August 20, 2001, Jes Sorensen | |
180 | - Dont' check for set flags on q->q_flag one by one in qla1280_next() | |
181 | - Check whether the interrupt was generated by the QLA1280 before | |
182 | doing any processing | |
183 | - qla1280_status_entry(): Only zero out part of sense_buffer that | |
184 | is not being copied into | |
185 | - Remove more superflouous typecasts | |
186 | - qla1280_32bit_start_scsi() replace home-brew memcpy() with memcpy() | |
187 | Rev 3.23.6 Beta August 20, 2001, Tony Luck, Intel | |
188 | - Don't walk the entire list in qla1280_putq_t() just to directly | |
189 | grab the pointer to the last element afterwards | |
190 | Rev 3.23.5 Beta August 9, 2001, Jes Sorensen | |
1d6f359a | 191 | - Don't use IRQF_DISABLED, it's use is deprecated for this kinda driver |
1da177e4 LT |
192 | Rev 3.23.4 Beta August 8, 2001, Jes Sorensen |
193 | - Set dev->max_sectors to 1024 | |
194 | Rev 3.23.3 Beta August 6, 2001, Jes Sorensen | |
195 | - Provide compat macros for pci_enable_device(), pci_find_subsys() | |
196 | and scsi_set_pci_device() | |
197 | - Call scsi_set_pci_device() for all devices | |
198 | - Reduce size of kernel version dependent device probe code | |
199 | - Move duplicate probe/init code to separate function | |
200 | - Handle error if qla1280_mem_alloc() fails | |
201 | - Kill OFFSET() macro and use Linux's PCI definitions instead | |
202 | - Kill private structure defining PCI config space (struct config_reg) | |
203 | - Only allocate I/O port region if not in MMIO mode | |
204 | - Remove duplicate (unused) sanity check of sife of srb_t | |
205 | Rev 3.23.2 Beta August 6, 2001, Jes Sorensen | |
206 | - Change home-brew memset() implementations to use memset() | |
207 | - Remove all references to COMTRACE() - accessing a PC's COM2 serial | |
208 | port directly is not legal under Linux. | |
209 | Rev 3.23.1 Beta April 24, 2001, Jes Sorensen | |
210 | - Remove pre 2.2 kernel support | |
211 | - clean up 64 bit DMA setting to use 2.4 API (provide backwards compat) | |
212 | - Fix MMIO access to use readl/writel instead of directly | |
213 | dereferencing pointers | |
214 | - Nuke MSDOS debugging code | |
215 | - Change true/false data types to int from uint8_t | |
216 | - Use int for counters instead of uint8_t etc. | |
217 | - Clean up size & byte order conversion macro usage | |
218 | Rev 3.23 Beta January 11, 2001 BN Qlogic | |
219 | - Added check of device_id when handling non | |
220 | QLA12160s during detect(). | |
221 | Rev 3.22 Beta January 5, 2001 BN Qlogic | |
222 | - Changed queue_task() to schedule_task() | |
223 | for kernels 2.4.0 and higher. | |
224 | Note: 2.4.0-testxx kernels released prior to | |
225 | the actual 2.4.0 kernel release on January 2001 | |
226 | will get compile/link errors with schedule_task(). | |
227 | Please update your kernel to released 2.4.0 level, | |
228 | or comment lines in this file flagged with 3.22 | |
229 | to resolve compile/link error of schedule_task(). | |
230 | - Added -DCONFIG_SMP in addition to -D__SMP__ | |
231 | in Makefile for 2.4.0 builds of driver as module. | |
232 | Rev 3.21 Beta January 4, 2001 BN Qlogic | |
233 | - Changed criteria of 64/32 Bit mode of HBA | |
234 | operation according to BITS_PER_LONG rather | |
235 | than HBA's NVRAM setting of >4Gig memory bit; | |
236 | so that the HBA auto-configures without the need | |
237 | to setup each system individually. | |
238 | Rev 3.20 Beta December 5, 2000 BN Qlogic | |
239 | - Added priority handling to IA-64 onboard SCSI | |
240 | ISP12160 chip for kernels greater than 2.3.18. | |
241 | - Added irqrestore for qla1280_intr_handler. | |
242 | - Enabled /proc/scsi/qla1280 interface. | |
243 | - Clear /proc/scsi/qla1280 counters in detect(). | |
244 | Rev 3.19 Beta October 13, 2000 BN Qlogic | |
245 | - Declare driver_template for new kernel | |
246 | (2.4.0 and greater) scsi initialization scheme. | |
247 | - Update /proc/scsi entry for 2.3.18 kernels and | |
248 | above as qla1280 | |
249 | Rev 3.18 Beta October 10, 2000 BN Qlogic | |
250 | - Changed scan order of adapters to map | |
251 | the QLA12160 followed by the QLA1280. | |
252 | Rev 3.17 Beta September 18, 2000 BN Qlogic | |
253 | - Removed warnings for 32 bit 2.4.x compiles | |
254 | - Corrected declared size for request and response | |
255 | DMA addresses that are kept in each ha | |
256 | Rev. 3.16 Beta August 25, 2000 BN Qlogic | |
257 | - Corrected 64 bit addressing issue on IA-64 | |
258 | where the upper 32 bits were not properly | |
259 | passed to the RISC engine. | |
260 | Rev. 3.15 Beta August 22, 2000 BN Qlogic | |
261 | - Modified qla1280_setup_chip to properly load | |
262 | ISP firmware for greater that 4 Gig memory on IA-64 | |
263 | Rev. 3.14 Beta August 16, 2000 BN Qlogic | |
264 | - Added setting of dma_mask to full 64 bit | |
265 | if flags.enable_64bit_addressing is set in NVRAM | |
266 | Rev. 3.13 Beta August 16, 2000 BN Qlogic | |
267 | - Use new PCI DMA mapping APIs for 2.4.x kernel | |
268 | Rev. 3.12 July 18, 2000 Redhat & BN Qlogic | |
269 | - Added check of pci_enable_device to detect() for 2.3.x | |
270 | - Use pci_resource_start() instead of | |
271 | pdev->resource[0].start in detect() for 2.3.x | |
272 | - Updated driver version | |
273 | Rev. 3.11 July 14, 2000 BN Qlogic | |
274 | - Updated SCSI Firmware to following versions: | |
275 | qla1x80: 8.13.08 | |
276 | qla1x160: 10.04.08 | |
277 | - Updated driver version to 3.11 | |
278 | Rev. 3.10 June 23, 2000 BN Qlogic | |
279 | - Added filtering of AMI SubSys Vendor ID devices | |
280 | Rev. 3.9 | |
281 | - DEBUG_QLA1280 undefined and new version BN Qlogic | |
282 | Rev. 3.08b May 9, 2000 MD Dell | |
283 | - Added logic to check against AMI subsystem vendor ID | |
284 | Rev. 3.08 May 4, 2000 DG Qlogic | |
285 | - Added logic to check for PCI subsystem ID. | |
286 | Rev. 3.07 Apr 24, 2000 DG & BN Qlogic | |
287 | - Updated SCSI Firmware to following versions: | |
288 | qla12160: 10.01.19 | |
289 | qla1280: 8.09.00 | |
290 | Rev. 3.06 Apr 12, 2000 DG & BN Qlogic | |
291 | - Internal revision; not released | |
292 | Rev. 3.05 Mar 28, 2000 DG & BN Qlogic | |
293 | - Edit correction for virt_to_bus and PROC. | |
294 | Rev. 3.04 Mar 28, 2000 DG & BN Qlogic | |
295 | - Merge changes from ia64 port. | |
296 | Rev. 3.03 Mar 28, 2000 BN Qlogic | |
297 | - Increase version to reflect new code drop with compile fix | |
298 | of issue with inclusion of linux/spinlock for 2.3 kernels | |
299 | Rev. 3.02 Mar 15, 2000 BN Qlogic | |
300 | - Merge qla1280_proc_info from 2.10 code base | |
301 | Rev. 3.01 Feb 10, 2000 BN Qlogic | |
302 | - Corrected code to compile on a 2.2.x kernel. | |
303 | Rev. 3.00 Jan 17, 2000 DG Qlogic | |
304 | - Added 64-bit support. | |
305 | Rev. 2.07 Nov 9, 1999 DG Qlogic | |
306 | - Added new routine to set target parameters for ISP12160. | |
307 | Rev. 2.06 Sept 10, 1999 DG Qlogic | |
308 | - Added support for ISP12160 Ultra 3 chip. | |
309 | Rev. 2.03 August 3, 1999 Fred Lewis, Intel DuPont | |
310 | - Modified code to remove errors generated when compiling with | |
311 | Cygnus IA64 Compiler. | |
312 | - Changed conversion of pointers to unsigned longs instead of integers. | |
313 | - Changed type of I/O port variables from uint32_t to unsigned long. | |
314 | - Modified OFFSET macro to work with 64-bit as well as 32-bit. | |
315 | - Changed sprintf and printk format specifiers for pointers to %p. | |
316 | - Changed some int to long type casts where needed in sprintf & printk. | |
317 | - Added l modifiers to sprintf and printk format specifiers for longs. | |
318 | - Removed unused local variables. | |
319 | Rev. 1.20 June 8, 1999 DG, Qlogic | |
320 | Changes to support RedHat release 6.0 (kernel 2.2.5). | |
321 | - Added SCSI exclusive access lock (io_request_lock) when accessing | |
322 | the adapter. | |
323 | - Added changes for the new LINUX interface template. Some new error | |
324 | handling routines have been added to the template, but for now we | |
325 | will use the old ones. | |
326 | - Initial Beta Release. | |
327 | *****************************************************************************/ | |
328 | ||
329 | ||
1da177e4 LT |
330 | #include <linux/module.h> |
331 | ||
1da177e4 LT |
332 | #include <linux/types.h> |
333 | #include <linux/string.h> | |
334 | #include <linux/errno.h> | |
335 | #include <linux/kernel.h> | |
336 | #include <linux/ioport.h> | |
337 | #include <linux/delay.h> | |
338 | #include <linux/timer.h> | |
1da177e4 LT |
339 | #include <linux/pci.h> |
340 | #include <linux/proc_fs.h> | |
341 | #include <linux/stat.h> | |
1da177e4 LT |
342 | #include <linux/pci_ids.h> |
343 | #include <linux/interrupt.h> | |
344 | #include <linux/init.h> | |
910638ae | 345 | #include <linux/dma-mapping.h> |
1bfa11db | 346 | #include <linux/firmware.h> |
1da177e4 LT |
347 | |
348 | #include <asm/io.h> | |
349 | #include <asm/irq.h> | |
350 | #include <asm/byteorder.h> | |
351 | #include <asm/processor.h> | |
352 | #include <asm/types.h> | |
1da177e4 | 353 | |
1da177e4 LT |
354 | #include <scsi/scsi.h> |
355 | #include <scsi/scsi_cmnd.h> | |
356 | #include <scsi/scsi_device.h> | |
357 | #include <scsi/scsi_host.h> | |
358 | #include <scsi/scsi_tcq.h> | |
1da177e4 | 359 | |
1da177e4 LT |
360 | |
361 | /* | |
362 | * Compile time Options: | |
363 | * 0 - Disable and 1 - Enable | |
364 | */ | |
365 | #define DEBUG_QLA1280_INTR 0 | |
366 | #define DEBUG_PRINT_NVRAM 0 | |
367 | #define DEBUG_QLA1280 0 | |
368 | ||
1da177e4 | 369 | #define MEMORY_MAPPED_IO 1 |
1da177e4 | 370 | |
1da177e4 | 371 | #include "qla1280.h" |
1da177e4 | 372 | |
ac4b1657 | 373 | #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT |
1da177e4 LT |
374 | #define QLA_64BIT_PTR 1 |
375 | #endif | |
376 | ||
1da177e4 LT |
377 | #define NVRAM_DELAY() udelay(500) /* 2 microseconds */ |
378 | ||
1da177e4 LT |
379 | #define IS_ISP1040(ha) (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP1020) |
380 | #define IS_ISP1x40(ha) (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP1020 || \ | |
381 | ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP1240) | |
382 | #define IS_ISP1x160(ha) (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP10160 || \ | |
383 | ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP12160) | |
384 | ||
385 | ||
386 | static int qla1280_probe_one(struct pci_dev *, const struct pci_device_id *); | |
387 | static void qla1280_remove_one(struct pci_dev *); | |
388 | ||
389 | /* | |
390 | * QLogic Driver Support Function Prototypes. | |
391 | */ | |
392 | static void qla1280_done(struct scsi_qla_host *); | |
1da177e4 LT |
393 | static int qla1280_get_token(char *); |
394 | static int qla1280_setup(char *s) __init; | |
395 | ||
396 | /* | |
397 | * QLogic ISP1280 Hardware Support Function Prototypes. | |
398 | */ | |
399 | static int qla1280_load_firmware(struct scsi_qla_host *); | |
400 | static int qla1280_init_rings(struct scsi_qla_host *); | |
401 | static int qla1280_nvram_config(struct scsi_qla_host *); | |
402 | static int qla1280_mailbox_command(struct scsi_qla_host *, | |
403 | uint8_t, uint16_t *); | |
404 | static int qla1280_bus_reset(struct scsi_qla_host *, int); | |
405 | static int qla1280_device_reset(struct scsi_qla_host *, int, int); | |
1da177e4 LT |
406 | static int qla1280_abort_command(struct scsi_qla_host *, struct srb *, int); |
407 | static int qla1280_abort_isp(struct scsi_qla_host *); | |
408 | #ifdef QLA_64BIT_PTR | |
409 | static int qla1280_64bit_start_scsi(struct scsi_qla_host *, struct srb *); | |
410 | #else | |
411 | static int qla1280_32bit_start_scsi(struct scsi_qla_host *, struct srb *); | |
412 | #endif | |
413 | static void qla1280_nv_write(struct scsi_qla_host *, uint16_t); | |
414 | static void qla1280_poll(struct scsi_qla_host *); | |
415 | static void qla1280_reset_adapter(struct scsi_qla_host *); | |
416 | static void qla1280_marker(struct scsi_qla_host *, int, int, int, u8); | |
417 | static void qla1280_isp_cmd(struct scsi_qla_host *); | |
418 | static void qla1280_isr(struct scsi_qla_host *, struct list_head *); | |
419 | static void qla1280_rst_aen(struct scsi_qla_host *); | |
420 | static void qla1280_status_entry(struct scsi_qla_host *, struct response *, | |
421 | struct list_head *); | |
422 | static void qla1280_error_entry(struct scsi_qla_host *, struct response *, | |
423 | struct list_head *); | |
424 | static uint16_t qla1280_get_nvram_word(struct scsi_qla_host *, uint32_t); | |
425 | static uint16_t qla1280_nvram_request(struct scsi_qla_host *, uint32_t); | |
426 | static uint16_t qla1280_debounce_register(volatile uint16_t __iomem *); | |
427 | static request_t *qla1280_req_pkt(struct scsi_qla_host *); | |
428 | static int qla1280_check_for_dead_scsi_bus(struct scsi_qla_host *, | |
429 | unsigned int); | |
430 | static void qla1280_get_target_parameters(struct scsi_qla_host *, | |
431 | struct scsi_device *); | |
432 | static int qla1280_set_target_parameters(struct scsi_qla_host *, int, int); | |
433 | ||
434 | ||
435 | static struct qla_driver_setup driver_setup; | |
436 | ||
437 | /* | |
438 | * convert scsi data direction to request_t control flags | |
439 | */ | |
440 | static inline uint16_t | |
441 | qla1280_data_direction(struct scsi_cmnd *cmnd) | |
442 | { | |
443 | switch(cmnd->sc_data_direction) { | |
444 | case DMA_FROM_DEVICE: | |
445 | return BIT_5; | |
446 | case DMA_TO_DEVICE: | |
447 | return BIT_6; | |
448 | case DMA_BIDIRECTIONAL: | |
449 | return BIT_5 | BIT_6; | |
450 | /* | |
451 | * We could BUG() on default here if one of the four cases aren't | |
452 | * met, but then again if we receive something like that from the | |
453 | * SCSI layer we have more serious problems. This shuts up GCC. | |
454 | */ | |
455 | case DMA_NONE: | |
456 | default: | |
457 | return 0; | |
458 | } | |
459 | } | |
460 | ||
461 | #if DEBUG_QLA1280 | |
462 | static void __qla1280_print_scsi_cmd(struct scsi_cmnd * cmd); | |
463 | static void __qla1280_dump_buffer(char *, int); | |
464 | #endif | |
465 | ||
466 | ||
467 | /* | |
468 | * insmod needs to find the variable and make it point to something | |
469 | */ | |
470 | #ifdef MODULE | |
471 | static char *qla1280; | |
472 | ||
473 | /* insmod qla1280 options=verbose" */ | |
474 | module_param(qla1280, charp, 0); | |
475 | #else | |
476 | __setup("qla1280=", qla1280_setup); | |
477 | #endif | |
478 | ||
479 | ||
480 | /* | |
481 | * We use the scsi_pointer structure that's included with each scsi_command | |
482 | * to overlay our struct srb over it. qla1280_init() checks that a srb is not | |
483 | * bigger than a scsi_pointer. | |
484 | */ | |
485 | ||
486 | #define CMD_SP(Cmnd) &Cmnd->SCp | |
487 | #define CMD_CDBLEN(Cmnd) Cmnd->cmd_len | |
488 | #define CMD_CDBP(Cmnd) Cmnd->cmnd | |
489 | #define CMD_SNSP(Cmnd) Cmnd->sense_buffer | |
b80ca4f7 | 490 | #define CMD_SNSLEN(Cmnd) SCSI_SENSE_BUFFERSIZE |
1da177e4 LT |
491 | #define CMD_RESULT(Cmnd) Cmnd->result |
492 | #define CMD_HANDLE(Cmnd) Cmnd->host_scribble | |
1da177e4 | 493 | #define CMD_REQUEST(Cmnd) Cmnd->request->cmd |
1da177e4 LT |
494 | |
495 | #define CMD_HOST(Cmnd) Cmnd->device->host | |
496 | #define SCSI_BUS_32(Cmnd) Cmnd->device->channel | |
497 | #define SCSI_TCN_32(Cmnd) Cmnd->device->id | |
498 | #define SCSI_LUN_32(Cmnd) Cmnd->device->lun | |
499 | ||
500 | ||
501 | /*****************************************/ | |
502 | /* ISP Boards supported by this driver */ | |
503 | /*****************************************/ | |
504 | ||
505 | struct qla_boards { | |
421e33d0 | 506 | char *name; /* Board ID String */ |
1da177e4 | 507 | int numPorts; /* Number of SCSI ports */ |
421e33d0 | 508 | int fw_index; /* index into qla1280_fw_tbl for firmware */ |
1da177e4 LT |
509 | }; |
510 | ||
511 | /* NOTE: the last argument in each entry is used to index ql1280_board_tbl */ | |
512 | static struct pci_device_id qla1280_pci_tbl[] = { | |
513 | {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP12160, | |
514 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
1da177e4 LT |
515 | {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1020, |
516 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1}, | |
1da177e4 LT |
517 | {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1080, |
518 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2}, | |
519 | {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1240, | |
520 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3}, | |
521 | {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1280, | |
522 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4}, | |
523 | {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP10160, | |
524 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5}, | |
525 | {0,} | |
526 | }; | |
527 | MODULE_DEVICE_TABLE(pci, qla1280_pci_tbl); | |
528 | ||
421e33d0 MR |
529 | DEFINE_MUTEX(qla1280_firmware_mutex); |
530 | ||
531 | struct qla_fw { | |
532 | char *fwname; | |
533 | const struct firmware *fw; | |
534 | }; | |
535 | ||
536 | #define QL_NUM_FW_IMAGES 3 | |
537 | ||
538 | struct qla_fw qla1280_fw_tbl[QL_NUM_FW_IMAGES] = { | |
539 | {"qlogic/1040.bin", NULL}, /* image 0 */ | |
540 | {"qlogic/1280.bin", NULL}, /* image 1 */ | |
541 | {"qlogic/12160.bin", NULL}, /* image 2 */ | |
542 | }; | |
543 | ||
544 | /* NOTE: Order of boards in this table must match order in qla1280_pci_tbl */ | |
1da177e4 | 545 | static struct qla_boards ql1280_board_tbl[] = { |
421e33d0 MR |
546 | {.name = "QLA12160", .numPorts = 2, .fw_index = 2}, |
547 | {.name = "QLA1040" , .numPorts = 1, .fw_index = 0}, | |
548 | {.name = "QLA1080" , .numPorts = 1, .fw_index = 1}, | |
549 | {.name = "QLA1240" , .numPorts = 2, .fw_index = 1}, | |
550 | {.name = "QLA1280" , .numPorts = 2, .fw_index = 1}, | |
551 | {.name = "QLA10160", .numPorts = 1, .fw_index = 2}, | |
552 | {.name = " ", .numPorts = 0, .fw_index = -1}, | |
1da177e4 LT |
553 | }; |
554 | ||
555 | static int qla1280_verbose = 1; | |
556 | ||
557 | #if DEBUG_QLA1280 | |
558 | static int ql_debug_level = 1; | |
559 | #define dprintk(level, format, a...) \ | |
560 | do { if (ql_debug_level >= level) printk(KERN_ERR format, ##a); } while(0) | |
561 | #define qla1280_dump_buffer(level, buf, size) \ | |
562 | if (ql_debug_level >= level) __qla1280_dump_buffer(buf, size) | |
563 | #define qla1280_print_scsi_cmd(level, cmd) \ | |
564 | if (ql_debug_level >= level) __qla1280_print_scsi_cmd(cmd) | |
565 | #else | |
566 | #define ql_debug_level 0 | |
567 | #define dprintk(level, format, a...) do{}while(0) | |
568 | #define qla1280_dump_buffer(a, b, c) do{}while(0) | |
569 | #define qla1280_print_scsi_cmd(a, b) do{}while(0) | |
570 | #endif | |
571 | ||
572 | #define ENTER(x) dprintk(3, "qla1280 : Entering %s()\n", x); | |
573 | #define LEAVE(x) dprintk(3, "qla1280 : Leaving %s()\n", x); | |
574 | #define ENTER_INTR(x) dprintk(4, "qla1280 : Entering %s()\n", x); | |
575 | #define LEAVE_INTR(x) dprintk(4, "qla1280 : Leaving %s()\n", x); | |
576 | ||
577 | ||
578 | static int qla1280_read_nvram(struct scsi_qla_host *ha) | |
579 | { | |
580 | uint16_t *wptr; | |
581 | uint8_t chksum; | |
582 | int cnt, i; | |
583 | struct nvram *nv; | |
584 | ||
585 | ENTER("qla1280_read_nvram"); | |
586 | ||
587 | if (driver_setup.no_nvram) | |
588 | return 1; | |
589 | ||
590 | printk(KERN_INFO "scsi(%ld): Reading NVRAM\n", ha->host_no); | |
591 | ||
592 | wptr = (uint16_t *)&ha->nvram; | |
593 | nv = &ha->nvram; | |
594 | chksum = 0; | |
595 | for (cnt = 0; cnt < 3; cnt++) { | |
596 | *wptr = qla1280_get_nvram_word(ha, cnt); | |
597 | chksum += *wptr & 0xff; | |
598 | chksum += (*wptr >> 8) & 0xff; | |
599 | wptr++; | |
600 | } | |
601 | ||
602 | if (nv->id0 != 'I' || nv->id1 != 'S' || | |
603 | nv->id2 != 'P' || nv->id3 != ' ' || nv->version < 1) { | |
604 | dprintk(2, "Invalid nvram ID or version!\n"); | |
605 | chksum = 1; | |
606 | } else { | |
607 | for (; cnt < sizeof(struct nvram); cnt++) { | |
608 | *wptr = qla1280_get_nvram_word(ha, cnt); | |
609 | chksum += *wptr & 0xff; | |
610 | chksum += (*wptr >> 8) & 0xff; | |
611 | wptr++; | |
612 | } | |
613 | } | |
614 | ||
615 | dprintk(3, "qla1280_read_nvram: NVRAM Magic ID= %c %c %c %02x" | |
616 | " version %i\n", nv->id0, nv->id1, nv->id2, nv->id3, | |
617 | nv->version); | |
618 | ||
619 | ||
620 | if (chksum) { | |
621 | if (!driver_setup.no_nvram) | |
622 | printk(KERN_WARNING "scsi(%ld): Unable to identify or " | |
623 | "validate NVRAM checksum, using default " | |
624 | "settings\n", ha->host_no); | |
625 | ha->nvram_valid = 0; | |
626 | } else | |
627 | ha->nvram_valid = 1; | |
628 | ||
629 | /* The firmware interface is, um, interesting, in that the | |
630 | * actual firmware image on the chip is little endian, thus, | |
631 | * the process of taking that image to the CPU would end up | |
c3af1715 | 632 | * little endian. However, the firmware interface requires it |
1da177e4 LT |
633 | * to be read a word (two bytes) at a time. |
634 | * | |
635 | * The net result of this would be that the word (and | |
636 | * doubleword) quantites in the firmware would be correct, but | |
637 | * the bytes would be pairwise reversed. Since most of the | |
638 | * firmware quantites are, in fact, bytes, we do an extra | |
639 | * le16_to_cpu() in the firmware read routine. | |
640 | * | |
641 | * The upshot of all this is that the bytes in the firmware | |
642 | * are in the correct places, but the 16 and 32 bit quantites | |
643 | * are still in little endian format. We fix that up below by | |
644 | * doing extra reverses on them */ | |
645 | nv->isp_parameter = cpu_to_le16(nv->isp_parameter); | |
646 | nv->firmware_feature.w = cpu_to_le16(nv->firmware_feature.w); | |
647 | for(i = 0; i < MAX_BUSES; i++) { | |
648 | nv->bus[i].selection_timeout = cpu_to_le16(nv->bus[i].selection_timeout); | |
649 | nv->bus[i].max_queue_depth = cpu_to_le16(nv->bus[i].max_queue_depth); | |
650 | } | |
651 | dprintk(1, "qla1280_read_nvram: Completed Reading NVRAM\n"); | |
652 | LEAVE("qla1280_read_nvram"); | |
653 | ||
654 | return chksum; | |
655 | } | |
656 | ||
657 | /************************************************************************** | |
658 | * qla1280_info | |
659 | * Return a string describing the driver. | |
660 | **************************************************************************/ | |
661 | static const char * | |
662 | qla1280_info(struct Scsi_Host *host) | |
663 | { | |
664 | static char qla1280_scsi_name_buffer[125]; | |
665 | char *bp; | |
666 | struct scsi_qla_host *ha; | |
667 | struct qla_boards *bdp; | |
668 | ||
669 | bp = &qla1280_scsi_name_buffer[0]; | |
670 | ha = (struct scsi_qla_host *)host->hostdata; | |
671 | bdp = &ql1280_board_tbl[ha->devnum]; | |
672 | memset(bp, 0, sizeof(qla1280_scsi_name_buffer)); | |
673 | ||
674 | sprintf (bp, | |
675 | "QLogic %s PCI to SCSI Host Adapter\n" | |
676 | " Firmware version: %2d.%02d.%02d, Driver version %s", | |
1bfa11db | 677 | &bdp->name[0], ha->fwver1, ha->fwver2, ha->fwver3, |
1da177e4 LT |
678 | QLA1280_VERSION); |
679 | return bp; | |
680 | } | |
681 | ||
682 | /************************************************************************** | |
fd65e5e9 | 683 | * qla1280_queuecommand |
1da177e4 LT |
684 | * Queue a command to the controller. |
685 | * | |
686 | * Note: | |
687 | * The mid-level driver tries to ensures that queuecommand never gets invoked | |
688 | * concurrently with itself or the interrupt handler (although the | |
689 | * interrupt handler may call this routine as part of request-completion | |
690 | * handling). Unfortunely, it sometimes calls the scheduler in interrupt | |
691 | * context which is a big NO! NO!. | |
692 | **************************************************************************/ | |
693 | static int | |
f281233d | 694 | qla1280_queuecommand_lck(struct scsi_cmnd *cmd, void (*fn)(struct scsi_cmnd *)) |
1da177e4 LT |
695 | { |
696 | struct Scsi_Host *host = cmd->device->host; | |
697 | struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata; | |
fd65e5e9 | 698 | struct srb *sp = (struct srb *)CMD_SP(cmd); |
1da177e4 LT |
699 | int status; |
700 | ||
701 | cmd->scsi_done = fn; | |
702 | sp->cmd = cmd; | |
703 | sp->flags = 0; | |
413e6e18 MR |
704 | sp->wait = NULL; |
705 | CMD_HANDLE(cmd) = (unsigned char *)NULL; | |
1da177e4 LT |
706 | |
707 | qla1280_print_scsi_cmd(5, cmd); | |
708 | ||
709 | #ifdef QLA_64BIT_PTR | |
710 | /* | |
711 | * Using 64 bit commands if the PCI bridge doesn't support it is a | |
712 | * bit wasteful, however this should really only happen if one's | |
713 | * PCI controller is completely broken, like the BCM1250. For | |
714 | * sane hardware this is not an issue. | |
715 | */ | |
716 | status = qla1280_64bit_start_scsi(ha, sp); | |
717 | #else | |
718 | status = qla1280_32bit_start_scsi(ha, sp); | |
719 | #endif | |
720 | return status; | |
721 | } | |
722 | ||
f281233d JG |
723 | static DEF_SCSI_QCMD(qla1280_queuecommand) |
724 | ||
1da177e4 LT |
725 | enum action { |
726 | ABORT_COMMAND, | |
1da177e4 LT |
727 | DEVICE_RESET, |
728 | BUS_RESET, | |
729 | ADAPTER_RESET, | |
1da177e4 LT |
730 | }; |
731 | ||
1da177e4 | 732 | |
9c6c273a | 733 | static void qla1280_mailbox_timeout(struct timer_list *t) |
1da177e4 | 734 | { |
9c6c273a | 735 | struct scsi_qla_host *ha = from_timer(ha, t, mailbox_timer); |
1da177e4 LT |
736 | struct device_reg __iomem *reg; |
737 | reg = ha->iobase; | |
738 | ||
739 | ha->mailbox_out[0] = RD_REG_WORD(®->mailbox0); | |
740 | printk(KERN_ERR "scsi(%ld): mailbox timed out, mailbox0 %04x, " | |
741 | "ictrl %04x, istatus %04x\n", ha->host_no, ha->mailbox_out[0], | |
742 | RD_REG_WORD(®->ictrl), RD_REG_WORD(®->istatus)); | |
743 | complete(ha->mailbox_wait); | |
744 | } | |
745 | ||
413e6e18 MR |
746 | static int |
747 | _qla1280_wait_for_single_command(struct scsi_qla_host *ha, struct srb *sp, | |
748 | struct completion *wait) | |
749 | { | |
750 | int status = FAILED; | |
751 | struct scsi_cmnd *cmd = sp->cmd; | |
752 | ||
753 | spin_unlock_irq(ha->host->host_lock); | |
754 | wait_for_completion_timeout(wait, 4*HZ); | |
755 | spin_lock_irq(ha->host->host_lock); | |
756 | sp->wait = NULL; | |
757 | if(CMD_HANDLE(cmd) == COMPLETED_HANDLE) { | |
758 | status = SUCCESS; | |
759 | (*cmd->scsi_done)(cmd); | |
760 | } | |
761 | return status; | |
762 | } | |
763 | ||
764 | static int | |
765 | qla1280_wait_for_single_command(struct scsi_qla_host *ha, struct srb *sp) | |
766 | { | |
767 | DECLARE_COMPLETION_ONSTACK(wait); | |
768 | ||
769 | sp->wait = &wait; | |
770 | return _qla1280_wait_for_single_command(ha, sp, &wait); | |
771 | } | |
772 | ||
773 | static int | |
774 | qla1280_wait_for_pending_commands(struct scsi_qla_host *ha, int bus, int target) | |
775 | { | |
776 | int cnt; | |
777 | int status; | |
778 | struct srb *sp; | |
779 | struct scsi_cmnd *cmd; | |
780 | ||
781 | status = SUCCESS; | |
782 | ||
783 | /* | |
784 | * Wait for all commands with the designated bus/target | |
785 | * to be completed by the firmware | |
786 | */ | |
787 | for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
788 | sp = ha->outstanding_cmds[cnt]; | |
789 | if (sp) { | |
790 | cmd = sp->cmd; | |
791 | ||
792 | if (bus >= 0 && SCSI_BUS_32(cmd) != bus) | |
793 | continue; | |
794 | if (target >= 0 && SCSI_TCN_32(cmd) != target) | |
795 | continue; | |
796 | ||
797 | status = qla1280_wait_for_single_command(ha, sp); | |
798 | if (status == FAILED) | |
799 | break; | |
800 | } | |
801 | } | |
802 | return status; | |
803 | } | |
804 | ||
1da177e4 | 805 | /************************************************************************** |
fd65e5e9 | 806 | * qla1280_error_action |
1da177e4 LT |
807 | * The function will attempt to perform a specified error action and |
808 | * wait for the results (or time out). | |
809 | * | |
810 | * Input: | |
811 | * cmd = Linux SCSI command packet of the command that cause the | |
812 | * bus reset. | |
813 | * action = error action to take (see action_t) | |
814 | * | |
815 | * Returns: | |
816 | * SUCCESS or FAILED | |
817 | * | |
1da177e4 LT |
818 | **************************************************************************/ |
819 | static int | |
820 | qla1280_error_action(struct scsi_cmnd *cmd, enum action action) | |
821 | { | |
822 | struct scsi_qla_host *ha; | |
823 | int bus, target, lun; | |
824 | struct srb *sp; | |
413e6e18 MR |
825 | int i, found; |
826 | int result=FAILED; | |
827 | int wait_for_bus=-1; | |
828 | int wait_for_target = -1; | |
6e9a4738 | 829 | DECLARE_COMPLETION_ONSTACK(wait); |
1da177e4 | 830 | |
fd65e5e9 MR |
831 | ENTER("qla1280_error_action"); |
832 | ||
1da177e4 | 833 | ha = (struct scsi_qla_host *)(CMD_HOST(cmd)->hostdata); |
413e6e18 MR |
834 | sp = (struct srb *)CMD_SP(cmd); |
835 | bus = SCSI_BUS_32(cmd); | |
836 | target = SCSI_TCN_32(cmd); | |
837 | lun = SCSI_LUN_32(cmd); | |
1da177e4 LT |
838 | |
839 | dprintk(4, "error_action %i, istatus 0x%04x\n", action, | |
840 | RD_REG_WORD(&ha->iobase->istatus)); | |
841 | ||
842 | dprintk(4, "host_cmd 0x%04x, ictrl 0x%04x, jiffies %li\n", | |
843 | RD_REG_WORD(&ha->iobase->host_cmd), | |
844 | RD_REG_WORD(&ha->iobase->ictrl), jiffies); | |
845 | ||
1da177e4 LT |
846 | if (qla1280_verbose) |
847 | printk(KERN_INFO "scsi(%li): Resetting Cmnd=0x%p, " | |
848 | "Handle=0x%p, action=0x%x\n", | |
849 | ha->host_no, cmd, CMD_HANDLE(cmd), action); | |
850 | ||
1da177e4 | 851 | /* |
413e6e18 MR |
852 | * Check to see if we have the command in the outstanding_cmds[] |
853 | * array. If not then it must have completed before this error | |
854 | * action was initiated. If the error_action isn't ABORT_COMMAND | |
855 | * then the driver must proceed with the requested action. | |
1da177e4 | 856 | */ |
413e6e18 MR |
857 | found = -1; |
858 | for (i = 0; i < MAX_OUTSTANDING_COMMANDS; i++) { | |
859 | if (sp == ha->outstanding_cmds[i]) { | |
860 | found = i; | |
861 | sp->wait = &wait; /* we'll wait for it to complete */ | |
862 | break; | |
1da177e4 | 863 | } |
1da177e4 LT |
864 | } |
865 | ||
413e6e18 MR |
866 | if (found < 0) { /* driver doesn't have command */ |
867 | result = SUCCESS; | |
868 | if (qla1280_verbose) { | |
869 | printk(KERN_INFO | |
870 | "scsi(%ld:%d:%d:%d): specified command has " | |
871 | "already completed.\n", ha->host_no, bus, | |
872 | target, lun); | |
873 | } | |
874 | } | |
1da177e4 | 875 | |
1da177e4 | 876 | switch (action) { |
1da177e4 | 877 | |
413e6e18 MR |
878 | case ABORT_COMMAND: |
879 | dprintk(1, "qla1280: RISC aborting command\n"); | |
880 | /* | |
881 | * The abort might fail due to race when the host_lock | |
882 | * is released to issue the abort. As such, we | |
883 | * don't bother to check the return status. | |
884 | */ | |
885 | if (found >= 0) | |
886 | qla1280_abort_command(ha, sp, found); | |
1da177e4 LT |
887 | break; |
888 | ||
1da177e4 LT |
889 | case DEVICE_RESET: |
890 | if (qla1280_verbose) | |
891 | printk(KERN_INFO | |
892 | "scsi(%ld:%d:%d:%d): Queueing device reset " | |
893 | "command.\n", ha->host_no, bus, target, lun); | |
413e6e18 MR |
894 | if (qla1280_device_reset(ha, bus, target) == 0) { |
895 | /* issued device reset, set wait conditions */ | |
896 | wait_for_bus = bus; | |
897 | wait_for_target = target; | |
898 | } | |
1da177e4 LT |
899 | break; |
900 | ||
901 | case BUS_RESET: | |
902 | if (qla1280_verbose) | |
cd00b7f5 JS |
903 | printk(KERN_INFO "qla1280(%ld:%d): Issued bus " |
904 | "reset.\n", ha->host_no, bus); | |
413e6e18 MR |
905 | if (qla1280_bus_reset(ha, bus) == 0) { |
906 | /* issued bus reset, set wait conditions */ | |
907 | wait_for_bus = bus; | |
908 | } | |
1da177e4 LT |
909 | break; |
910 | ||
911 | case ADAPTER_RESET: | |
912 | default: | |
913 | if (qla1280_verbose) { | |
914 | printk(KERN_INFO | |
915 | "scsi(%ld): Issued ADAPTER RESET\n", | |
916 | ha->host_no); | |
917 | printk(KERN_INFO "scsi(%ld): I/O processing will " | |
918 | "continue automatically\n", ha->host_no); | |
919 | } | |
920 | ha->flags.reset_active = 1; | |
413e6e18 MR |
921 | |
922 | if (qla1280_abort_isp(ha) != 0) { /* it's dead */ | |
923 | result = FAILED; | |
924 | } | |
1da177e4 LT |
925 | |
926 | ha->flags.reset_active = 0; | |
927 | } | |
928 | ||
413e6e18 MR |
929 | /* |
930 | * At this point, the host_lock has been released and retaken | |
931 | * by the issuance of the mailbox command. | |
932 | * Wait for the command passed in by the mid-layer if it | |
933 | * was found by the driver. It might have been returned | |
934 | * between eh recovery steps, hence the check of the "found" | |
935 | * variable. | |
936 | */ | |
1da177e4 | 937 | |
413e6e18 MR |
938 | if (found >= 0) |
939 | result = _qla1280_wait_for_single_command(ha, sp, &wait); | |
1da177e4 | 940 | |
413e6e18 MR |
941 | if (action == ABORT_COMMAND && result != SUCCESS) { |
942 | printk(KERN_WARNING | |
943 | "scsi(%li:%i:%i:%i): " | |
944 | "Unable to abort command!\n", | |
945 | ha->host_no, bus, target, lun); | |
946 | } | |
1da177e4 | 947 | |
413e6e18 MR |
948 | /* |
949 | * If the command passed in by the mid-layer has been | |
950 | * returned by the board, then wait for any additional | |
951 | * commands which are supposed to complete based upon | |
952 | * the error action. | |
953 | * | |
954 | * All commands are unconditionally returned during a | |
955 | * call to qla1280_abort_isp(), ADAPTER_RESET. No need | |
956 | * to wait for them. | |
957 | */ | |
958 | if (result == SUCCESS && wait_for_bus >= 0) { | |
959 | result = qla1280_wait_for_pending_commands(ha, | |
960 | wait_for_bus, wait_for_target); | |
1da177e4 LT |
961 | } |
962 | ||
1da177e4 LT |
963 | dprintk(1, "RESET returning %d\n", result); |
964 | ||
965 | LEAVE("qla1280_error_action"); | |
966 | return result; | |
967 | } | |
968 | ||
969 | /************************************************************************** | |
970 | * qla1280_abort | |
971 | * Abort the specified SCSI command(s). | |
972 | **************************************************************************/ | |
973 | static int | |
974 | qla1280_eh_abort(struct scsi_cmnd * cmd) | |
975 | { | |
8fa728a2 JG |
976 | int rc; |
977 | ||
978 | spin_lock_irq(cmd->device->host->host_lock); | |
979 | rc = qla1280_error_action(cmd, ABORT_COMMAND); | |
980 | spin_unlock_irq(cmd->device->host->host_lock); | |
981 | ||
982 | return rc; | |
1da177e4 LT |
983 | } |
984 | ||
985 | /************************************************************************** | |
986 | * qla1280_device_reset | |
987 | * Reset the specified SCSI device | |
988 | **************************************************************************/ | |
989 | static int | |
990 | qla1280_eh_device_reset(struct scsi_cmnd *cmd) | |
991 | { | |
94d0e7b8 JG |
992 | int rc; |
993 | ||
994 | spin_lock_irq(cmd->device->host->host_lock); | |
995 | rc = qla1280_error_action(cmd, DEVICE_RESET); | |
996 | spin_unlock_irq(cmd->device->host->host_lock); | |
997 | ||
998 | return rc; | |
1da177e4 LT |
999 | } |
1000 | ||
1001 | /************************************************************************** | |
1002 | * qla1280_bus_reset | |
1003 | * Reset the specified bus. | |
1004 | **************************************************************************/ | |
1005 | static int | |
1006 | qla1280_eh_bus_reset(struct scsi_cmnd *cmd) | |
1007 | { | |
68b3aa7c JG |
1008 | int rc; |
1009 | ||
1010 | spin_lock_irq(cmd->device->host->host_lock); | |
1011 | rc = qla1280_error_action(cmd, BUS_RESET); | |
1012 | spin_unlock_irq(cmd->device->host->host_lock); | |
1013 | ||
1014 | return rc; | |
1da177e4 LT |
1015 | } |
1016 | ||
1017 | /************************************************************************** | |
1018 | * qla1280_adapter_reset | |
1019 | * Reset the specified adapter (both channels) | |
1020 | **************************************************************************/ | |
1021 | static int | |
1022 | qla1280_eh_adapter_reset(struct scsi_cmnd *cmd) | |
1023 | { | |
df0ae249 JG |
1024 | int rc; |
1025 | ||
1026 | spin_lock_irq(cmd->device->host->host_lock); | |
1027 | rc = qla1280_error_action(cmd, ADAPTER_RESET); | |
1028 | spin_unlock_irq(cmd->device->host->host_lock); | |
1029 | ||
1030 | return rc; | |
1da177e4 LT |
1031 | } |
1032 | ||
1033 | static int | |
1034 | qla1280_biosparam(struct scsi_device *sdev, struct block_device *bdev, | |
1035 | sector_t capacity, int geom[]) | |
1036 | { | |
1037 | int heads, sectors, cylinders; | |
1038 | ||
1039 | heads = 64; | |
1040 | sectors = 32; | |
1041 | cylinders = (unsigned long)capacity / (heads * sectors); | |
1042 | if (cylinders > 1024) { | |
1043 | heads = 255; | |
1044 | sectors = 63; | |
1045 | cylinders = (unsigned long)capacity / (heads * sectors); | |
1046 | /* if (cylinders > 1023) | |
1047 | cylinders = 1023; */ | |
1048 | } | |
1049 | ||
1050 | geom[0] = heads; | |
1051 | geom[1] = sectors; | |
1052 | geom[2] = cylinders; | |
1053 | ||
1054 | return 0; | |
1055 | } | |
1056 | ||
8af50dcd CH |
1057 | |
1058 | /* disable risc and host interrupts */ | |
1059 | static inline void | |
1060 | qla1280_disable_intrs(struct scsi_qla_host *ha) | |
1061 | { | |
1062 | WRT_REG_WORD(&ha->iobase->ictrl, 0); | |
1063 | RD_REG_WORD(&ha->iobase->ictrl); /* PCI Posted Write flush */ | |
1064 | } | |
1065 | ||
1066 | /* enable risc and host interrupts */ | |
1067 | static inline void | |
1068 | qla1280_enable_intrs(struct scsi_qla_host *ha) | |
1069 | { | |
1070 | WRT_REG_WORD(&ha->iobase->ictrl, (ISP_EN_INT | ISP_EN_RISC)); | |
1071 | RD_REG_WORD(&ha->iobase->ictrl); /* PCI Posted Write flush */ | |
1072 | } | |
1da177e4 LT |
1073 | |
1074 | /************************************************************************** | |
1075 | * qla1280_intr_handler | |
1076 | * Handles the H/W interrupt | |
1077 | **************************************************************************/ | |
1078 | static irqreturn_t | |
7d12e780 | 1079 | qla1280_intr_handler(int irq, void *dev_id) |
1da177e4 LT |
1080 | { |
1081 | struct scsi_qla_host *ha; | |
1082 | struct device_reg __iomem *reg; | |
1083 | u16 data; | |
1084 | int handled = 0; | |
1085 | ||
1086 | ENTER_INTR ("qla1280_intr_handler"); | |
1087 | ha = (struct scsi_qla_host *)dev_id; | |
1088 | ||
2dbb04c6 | 1089 | spin_lock(ha->host->host_lock); |
1da177e4 LT |
1090 | |
1091 | ha->isr_count++; | |
1092 | reg = ha->iobase; | |
1093 | ||
8af50dcd | 1094 | qla1280_disable_intrs(ha); |
1da177e4 LT |
1095 | |
1096 | data = qla1280_debounce_register(®->istatus); | |
1097 | /* Check for pending interrupts. */ | |
1098 | if (data & RISC_INT) { | |
1099 | qla1280_isr(ha, &ha->done_q); | |
1100 | handled = 1; | |
1101 | } | |
1102 | if (!list_empty(&ha->done_q)) | |
1103 | qla1280_done(ha); | |
1104 | ||
2dbb04c6 | 1105 | spin_unlock(ha->host->host_lock); |
1da177e4 | 1106 | |
8af50dcd | 1107 | qla1280_enable_intrs(ha); |
1da177e4 LT |
1108 | |
1109 | LEAVE_INTR("qla1280_intr_handler"); | |
1110 | return IRQ_RETVAL(handled); | |
1111 | } | |
1112 | ||
1113 | ||
1114 | static int | |
1115 | qla1280_set_target_parameters(struct scsi_qla_host *ha, int bus, int target) | |
1116 | { | |
1117 | uint8_t mr; | |
1118 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
1119 | struct nvram *nv; | |
7a34766f | 1120 | int status, lun; |
1da177e4 LT |
1121 | |
1122 | nv = &ha->nvram; | |
1123 | ||
1124 | mr = BIT_3 | BIT_2 | BIT_1 | BIT_0; | |
1125 | ||
1126 | /* Set Target Parameters. */ | |
1127 | mb[0] = MBC_SET_TARGET_PARAMETERS; | |
7a34766f CH |
1128 | mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8); |
1129 | mb[2] = nv->bus[bus].target[target].parameter.renegotiate_on_error << 8; | |
1130 | mb[2] |= nv->bus[bus].target[target].parameter.stop_queue_on_check << 9; | |
1131 | mb[2] |= nv->bus[bus].target[target].parameter.auto_request_sense << 10; | |
1132 | mb[2] |= nv->bus[bus].target[target].parameter.tag_queuing << 11; | |
1133 | mb[2] |= nv->bus[bus].target[target].parameter.enable_sync << 12; | |
1134 | mb[2] |= nv->bus[bus].target[target].parameter.enable_wide << 13; | |
1135 | mb[2] |= nv->bus[bus].target[target].parameter.parity_checking << 14; | |
1136 | mb[2] |= nv->bus[bus].target[target].parameter.disconnect_allowed << 15; | |
1da177e4 LT |
1137 | |
1138 | if (IS_ISP1x160(ha)) { | |
1139 | mb[2] |= nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr << 5; | |
7a34766f | 1140 | mb[3] = (nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8); |
1da177e4 LT |
1141 | mb[6] = (nv->bus[bus].target[target].ppr_1x160.flags.ppr_options << 8) | |
1142 | nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width; | |
1143 | mr |= BIT_6; | |
1144 | } else { | |
7a34766f | 1145 | mb[3] = (nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8); |
1da177e4 | 1146 | } |
7a34766f CH |
1147 | mb[3] |= nv->bus[bus].target[target].sync_period; |
1148 | ||
1149 | status = qla1280_mailbox_command(ha, mr, mb); | |
1da177e4 | 1150 | |
7a34766f CH |
1151 | /* Set Device Queue Parameters. */ |
1152 | for (lun = 0; lun < MAX_LUNS; lun++) { | |
1153 | mb[0] = MBC_SET_DEVICE_QUEUE; | |
1154 | mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8); | |
1155 | mb[1] |= lun; | |
1156 | mb[2] = nv->bus[bus].max_queue_depth; | |
1157 | mb[3] = nv->bus[bus].target[target].execution_throttle; | |
1158 | status |= qla1280_mailbox_command(ha, 0x0f, mb); | |
1159 | } | |
1da177e4 LT |
1160 | |
1161 | if (status) | |
1162 | printk(KERN_WARNING "scsi(%ld:%i:%i): " | |
1163 | "qla1280_set_target_parameters() failed\n", | |
1164 | ha->host_no, bus, target); | |
1165 | return status; | |
1166 | } | |
1167 | ||
1168 | ||
1169 | /************************************************************************** | |
1170 | * qla1280_slave_configure | |
1171 | * | |
1172 | * Description: | |
1173 | * Determines the queue depth for a given device. There are two ways | |
1174 | * a queue depth can be obtained for a tagged queueing device. One | |
1175 | * way is the default queue depth which is determined by whether | |
1176 | * If it is defined, then it is used | |
1177 | * as the default queue depth. Otherwise, we use either 4 or 8 as the | |
1178 | * default queue depth (dependent on the number of hardware SCBs). | |
1179 | **************************************************************************/ | |
1180 | static int | |
1181 | qla1280_slave_configure(struct scsi_device *device) | |
1182 | { | |
1183 | struct scsi_qla_host *ha; | |
1184 | int default_depth = 3; | |
1185 | int bus = device->channel; | |
1186 | int target = device->id; | |
1187 | int status = 0; | |
1188 | struct nvram *nv; | |
1189 | unsigned long flags; | |
1190 | ||
1191 | ha = (struct scsi_qla_host *)device->host->hostdata; | |
1192 | nv = &ha->nvram; | |
1193 | ||
1194 | if (qla1280_check_for_dead_scsi_bus(ha, bus)) | |
1195 | return 1; | |
1196 | ||
1197 | if (device->tagged_supported && | |
1198 | (ha->bus_settings[bus].qtag_enables & (BIT_0 << target))) { | |
db5ed4df | 1199 | scsi_change_queue_depth(device, ha->bus_settings[bus].hiwat); |
1da177e4 | 1200 | } else { |
db5ed4df | 1201 | scsi_change_queue_depth(device, default_depth); |
1da177e4 LT |
1202 | } |
1203 | ||
7a34766f CH |
1204 | nv->bus[bus].target[target].parameter.enable_sync = device->sdtr; |
1205 | nv->bus[bus].target[target].parameter.enable_wide = device->wdtr; | |
1da177e4 | 1206 | nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = device->ppr; |
1da177e4 LT |
1207 | |
1208 | if (driver_setup.no_sync || | |
1209 | (driver_setup.sync_mask && | |
1210 | (~driver_setup.sync_mask & (1 << target)))) | |
7a34766f | 1211 | nv->bus[bus].target[target].parameter.enable_sync = 0; |
1da177e4 LT |
1212 | if (driver_setup.no_wide || |
1213 | (driver_setup.wide_mask && | |
1214 | (~driver_setup.wide_mask & (1 << target)))) | |
7a34766f | 1215 | nv->bus[bus].target[target].parameter.enable_wide = 0; |
1da177e4 LT |
1216 | if (IS_ISP1x160(ha)) { |
1217 | if (driver_setup.no_ppr || | |
1218 | (driver_setup.ppr_mask && | |
1219 | (~driver_setup.ppr_mask & (1 << target)))) | |
1220 | nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 0; | |
1221 | } | |
1222 | ||
2dbb04c6 | 1223 | spin_lock_irqsave(ha->host->host_lock, flags); |
7a34766f | 1224 | if (nv->bus[bus].target[target].parameter.enable_sync) |
1da177e4 LT |
1225 | status = qla1280_set_target_parameters(ha, bus, target); |
1226 | qla1280_get_target_parameters(ha, device); | |
2dbb04c6 | 1227 | spin_unlock_irqrestore(ha->host->host_lock, flags); |
1da177e4 LT |
1228 | return status; |
1229 | } | |
1230 | ||
1da177e4 LT |
1231 | |
1232 | /* | |
1233 | * qla1280_done | |
1234 | * Process completed commands. | |
1235 | * | |
1236 | * Input: | |
1237 | * ha = adapter block pointer. | |
1da177e4 LT |
1238 | */ |
1239 | static void | |
1240 | qla1280_done(struct scsi_qla_host *ha) | |
1241 | { | |
1242 | struct srb *sp; | |
1243 | struct list_head *done_q; | |
1244 | int bus, target, lun; | |
1245 | struct scsi_cmnd *cmd; | |
1246 | ||
1247 | ENTER("qla1280_done"); | |
1248 | ||
1249 | done_q = &ha->done_q; | |
1250 | ||
1251 | while (!list_empty(done_q)) { | |
1252 | sp = list_entry(done_q->next, struct srb, list); | |
1253 | ||
1254 | list_del(&sp->list); | |
1255 | ||
1256 | cmd = sp->cmd; | |
1257 | bus = SCSI_BUS_32(cmd); | |
1258 | target = SCSI_TCN_32(cmd); | |
1259 | lun = SCSI_LUN_32(cmd); | |
1260 | ||
1261 | switch ((CMD_RESULT(cmd) >> 16)) { | |
1262 | case DID_RESET: | |
1263 | /* Issue marker command. */ | |
413e6e18 MR |
1264 | if (!ha->flags.abort_isp_active) |
1265 | qla1280_marker(ha, bus, target, 0, MK_SYNC_ID); | |
1da177e4 LT |
1266 | break; |
1267 | case DID_ABORT: | |
1268 | sp->flags &= ~SRB_ABORT_PENDING; | |
1269 | sp->flags |= SRB_ABORTED; | |
1da177e4 LT |
1270 | break; |
1271 | default: | |
1272 | break; | |
1273 | } | |
1274 | ||
1275 | /* Release memory used for this I/O */ | |
5c1da582 | 1276 | scsi_dma_unmap(cmd); |
1da177e4 LT |
1277 | |
1278 | /* Call the mid-level driver interrupt handler */ | |
1da177e4 LT |
1279 | ha->actthreads--; |
1280 | ||
413e6e18 MR |
1281 | if (sp->wait == NULL) |
1282 | (*(cmd)->scsi_done)(cmd); | |
1283 | else | |
1da177e4 LT |
1284 | complete(sp->wait); |
1285 | } | |
1286 | LEAVE("qla1280_done"); | |
1287 | } | |
1288 | ||
1289 | /* | |
1290 | * Translates a ISP error to a Linux SCSI error | |
1291 | */ | |
1292 | static int | |
1293 | qla1280_return_status(struct response * sts, struct scsi_cmnd *cp) | |
1294 | { | |
1295 | int host_status = DID_ERROR; | |
1296 | uint16_t comp_status = le16_to_cpu(sts->comp_status); | |
1297 | uint16_t state_flags = le16_to_cpu(sts->state_flags); | |
3ef49a3b | 1298 | uint32_t residual_length = le32_to_cpu(sts->residual_length); |
1da177e4 LT |
1299 | uint16_t scsi_status = le16_to_cpu(sts->scsi_status); |
1300 | #if DEBUG_QLA1280_INTR | |
1301 | static char *reason[] = { | |
1302 | "DID_OK", | |
1303 | "DID_NO_CONNECT", | |
1304 | "DID_BUS_BUSY", | |
1305 | "DID_TIME_OUT", | |
1306 | "DID_BAD_TARGET", | |
1307 | "DID_ABORT", | |
1308 | "DID_PARITY", | |
1309 | "DID_ERROR", | |
1310 | "DID_RESET", | |
1311 | "DID_BAD_INTR" | |
1312 | }; | |
1313 | #endif /* DEBUG_QLA1280_INTR */ | |
1314 | ||
1315 | ENTER("qla1280_return_status"); | |
1316 | ||
1317 | #if DEBUG_QLA1280_INTR | |
1318 | /* | |
1319 | dprintk(1, "qla1280_return_status: compl status = 0x%04x\n", | |
1320 | comp_status); | |
1321 | */ | |
1322 | #endif | |
1323 | ||
1324 | switch (comp_status) { | |
1325 | case CS_COMPLETE: | |
1326 | host_status = DID_OK; | |
1327 | break; | |
1328 | ||
1329 | case CS_INCOMPLETE: | |
1330 | if (!(state_flags & SF_GOT_BUS)) | |
1331 | host_status = DID_NO_CONNECT; | |
1332 | else if (!(state_flags & SF_GOT_TARGET)) | |
1333 | host_status = DID_BAD_TARGET; | |
1334 | else if (!(state_flags & SF_SENT_CDB)) | |
1335 | host_status = DID_ERROR; | |
1336 | else if (!(state_flags & SF_TRANSFERRED_DATA)) | |
1337 | host_status = DID_ERROR; | |
1338 | else if (!(state_flags & SF_GOT_STATUS)) | |
1339 | host_status = DID_ERROR; | |
1340 | else if (!(state_flags & SF_GOT_SENSE)) | |
1341 | host_status = DID_ERROR; | |
1342 | break; | |
1343 | ||
1344 | case CS_RESET: | |
1345 | host_status = DID_RESET; | |
1346 | break; | |
1347 | ||
1348 | case CS_ABORTED: | |
1349 | host_status = DID_ABORT; | |
1350 | break; | |
1351 | ||
1352 | case CS_TIMEOUT: | |
1353 | host_status = DID_TIME_OUT; | |
1354 | break; | |
1355 | ||
1356 | case CS_DATA_OVERRUN: | |
1357 | dprintk(2, "Data overrun 0x%x\n", residual_length); | |
2b55cac3 | 1358 | dprintk(2, "qla1280_return_status: response packet data\n"); |
1da177e4 LT |
1359 | qla1280_dump_buffer(2, (char *)sts, RESPONSE_ENTRY_SIZE); |
1360 | host_status = DID_ERROR; | |
1361 | break; | |
1362 | ||
1363 | case CS_DATA_UNDERRUN: | |
5c1da582 | 1364 | if ((scsi_bufflen(cp) - residual_length) < |
1da177e4 LT |
1365 | cp->underflow) { |
1366 | printk(KERN_WARNING | |
1367 | "scsi: Underflow detected - retrying " | |
1368 | "command.\n"); | |
1369 | host_status = DID_ERROR; | |
3ef49a3b | 1370 | } else { |
5c1da582 | 1371 | scsi_set_resid(cp, residual_length); |
1da177e4 | 1372 | host_status = DID_OK; |
3ef49a3b | 1373 | } |
1da177e4 LT |
1374 | break; |
1375 | ||
1376 | default: | |
1377 | host_status = DID_ERROR; | |
1378 | break; | |
1379 | } | |
1380 | ||
1381 | #if DEBUG_QLA1280_INTR | |
1382 | dprintk(1, "qla1280 ISP status: host status (%s) scsi status %x\n", | |
1383 | reason[host_status], scsi_status); | |
1384 | #endif | |
1385 | ||
1386 | LEAVE("qla1280_return_status"); | |
1387 | ||
1388 | return (scsi_status & 0xff) | (host_status << 16); | |
1389 | } | |
1390 | ||
1391 | /****************************************************************************/ | |
1392 | /* QLogic ISP1280 Hardware Support Functions. */ | |
1393 | /****************************************************************************/ | |
1394 | ||
1da177e4 LT |
1395 | /* |
1396 | * qla1280_initialize_adapter | |
1397 | * Initialize board. | |
1398 | * | |
1399 | * Input: | |
1400 | * ha = adapter block pointer. | |
1401 | * | |
1402 | * Returns: | |
1403 | * 0 = success | |
1404 | */ | |
6f039790 | 1405 | static int |
1da177e4 LT |
1406 | qla1280_initialize_adapter(struct scsi_qla_host *ha) |
1407 | { | |
1408 | struct device_reg __iomem *reg; | |
1409 | int status; | |
1410 | int bus; | |
1da177e4 | 1411 | unsigned long flags; |
1da177e4 LT |
1412 | |
1413 | ENTER("qla1280_initialize_adapter"); | |
1414 | ||
1415 | /* Clear adapter flags. */ | |
1416 | ha->flags.online = 0; | |
1417 | ha->flags.disable_host_adapter = 0; | |
1418 | ha->flags.reset_active = 0; | |
1419 | ha->flags.abort_isp_active = 0; | |
1420 | ||
1da177e4 LT |
1421 | /* TODO: implement support for the 1040 nvram format */ |
1422 | if (IS_ISP1040(ha)) | |
1423 | driver_setup.no_nvram = 1; | |
1424 | ||
1425 | dprintk(1, "Configure PCI space for adapter...\n"); | |
1426 | ||
1427 | reg = ha->iobase; | |
1428 | ||
1429 | /* Insure mailbox registers are free. */ | |
1430 | WRT_REG_WORD(®->semaphore, 0); | |
1431 | WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT); | |
1432 | WRT_REG_WORD(®->host_cmd, HC_CLR_HOST_INT); | |
1433 | RD_REG_WORD(®->host_cmd); | |
1434 | ||
1435 | if (qla1280_read_nvram(ha)) { | |
1436 | dprintk(2, "qla1280_initialize_adapter: failed to read " | |
1437 | "NVRAM\n"); | |
1438 | } | |
1439 | ||
1da177e4 LT |
1440 | /* |
1441 | * It's necessary to grab the spin here as qla1280_mailbox_command | |
1442 | * needs to be able to drop the lock unconditionally to wait | |
1443 | * for completion. | |
1da177e4 | 1444 | */ |
2dbb04c6 | 1445 | spin_lock_irqsave(ha->host->host_lock, flags); |
1da177e4 LT |
1446 | |
1447 | status = qla1280_load_firmware(ha); | |
1448 | if (status) { | |
1449 | printk(KERN_ERR "scsi(%li): initialize: pci probe failed!\n", | |
1450 | ha->host_no); | |
1451 | goto out; | |
1452 | } | |
1453 | ||
1454 | /* Setup adapter based on NVRAM parameters. */ | |
1455 | dprintk(1, "scsi(%ld): Configure NVRAM parameters\n", ha->host_no); | |
1456 | qla1280_nvram_config(ha); | |
1457 | ||
1458 | if (ha->flags.disable_host_adapter) { | |
1459 | status = 1; | |
1460 | goto out; | |
1461 | } | |
1462 | ||
1463 | status = qla1280_init_rings(ha); | |
1464 | if (status) | |
1465 | goto out; | |
1466 | ||
1467 | /* Issue SCSI reset, if we can't reset twice then bus is dead */ | |
1468 | for (bus = 0; bus < ha->ports; bus++) { | |
1469 | if (!ha->bus_settings[bus].disable_scsi_reset && | |
1470 | qla1280_bus_reset(ha, bus) && | |
1471 | qla1280_bus_reset(ha, bus)) | |
1472 | ha->bus_settings[bus].scsi_bus_dead = 1; | |
1473 | } | |
1474 | ||
1475 | ha->flags.online = 1; | |
1476 | out: | |
2dbb04c6 JS |
1477 | spin_unlock_irqrestore(ha->host->host_lock, flags); |
1478 | ||
1da177e4 LT |
1479 | if (status) |
1480 | dprintk(2, "qla1280_initialize_adapter: **** FAILED ****\n"); | |
1481 | ||
1482 | LEAVE("qla1280_initialize_adapter"); | |
1483 | return status; | |
1484 | } | |
1485 | ||
421e33d0 MR |
1486 | /* |
1487 | * qla1280_request_firmware | |
1488 | * Acquire firmware for chip. Retain in memory | |
1489 | * for error recovery. | |
1490 | * | |
1491 | * Input: | |
1492 | * ha = adapter block pointer. | |
1493 | * | |
1494 | * Returns: | |
1495 | * Pointer to firmware image or an error code | |
1496 | * cast to pointer via ERR_PTR(). | |
1497 | */ | |
1498 | static const struct firmware * | |
1499 | qla1280_request_firmware(struct scsi_qla_host *ha) | |
1500 | { | |
1501 | const struct firmware *fw; | |
1502 | int err; | |
1503 | int index; | |
1504 | char *fwname; | |
1505 | ||
1506 | spin_unlock_irq(ha->host->host_lock); | |
1507 | mutex_lock(&qla1280_firmware_mutex); | |
1508 | ||
1509 | index = ql1280_board_tbl[ha->devnum].fw_index; | |
1510 | fw = qla1280_fw_tbl[index].fw; | |
1511 | if (fw) | |
1512 | goto out; | |
1513 | ||
1514 | fwname = qla1280_fw_tbl[index].fwname; | |
1515 | err = request_firmware(&fw, fwname, &ha->pdev->dev); | |
1516 | ||
1517 | if (err) { | |
1518 | printk(KERN_ERR "Failed to load image \"%s\" err %d\n", | |
1519 | fwname, err); | |
1520 | fw = ERR_PTR(err); | |
1521 | goto unlock; | |
1522 | } | |
1523 | if ((fw->size % 2) || (fw->size < 6)) { | |
1524 | printk(KERN_ERR "Invalid firmware length %zu in image \"%s\"\n", | |
1525 | fw->size, fwname); | |
1526 | release_firmware(fw); | |
1527 | fw = ERR_PTR(-EINVAL); | |
1528 | goto unlock; | |
1529 | } | |
1530 | ||
1531 | qla1280_fw_tbl[index].fw = fw; | |
1532 | ||
1533 | out: | |
1534 | ha->fwver1 = fw->data[0]; | |
1535 | ha->fwver2 = fw->data[1]; | |
1536 | ha->fwver3 = fw->data[2]; | |
1537 | unlock: | |
1538 | mutex_unlock(&qla1280_firmware_mutex); | |
1539 | spin_lock_irq(ha->host->host_lock); | |
1540 | return fw; | |
1541 | } | |
1542 | ||
1da177e4 LT |
1543 | /* |
1544 | * Chip diagnostics | |
1545 | * Test chip for proper operation. | |
1546 | * | |
1547 | * Input: | |
1548 | * ha = adapter block pointer. | |
1549 | * | |
1550 | * Returns: | |
1551 | * 0 = success. | |
1552 | */ | |
1553 | static int | |
1554 | qla1280_chip_diag(struct scsi_qla_host *ha) | |
1555 | { | |
1556 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
1557 | struct device_reg __iomem *reg = ha->iobase; | |
1558 | int status = 0; | |
1559 | int cnt; | |
1560 | uint16_t data; | |
1561 | dprintk(3, "qla1280_chip_diag: testing device at 0x%p \n", ®->id_l); | |
1562 | ||
1563 | dprintk(1, "scsi(%ld): Verifying chip\n", ha->host_no); | |
1564 | ||
1565 | /* Soft reset chip and wait for it to finish. */ | |
1566 | WRT_REG_WORD(®->ictrl, ISP_RESET); | |
1567 | ||
1568 | /* | |
1569 | * We can't do a traditional PCI write flush here by reading | |
1570 | * back the register. The card will not respond once the reset | |
1571 | * is in action and we end up with a machine check exception | |
1572 | * instead. Nothing to do but wait and hope for the best. | |
1573 | * A portable pci_write_flush(pdev) call would be very useful here. | |
1574 | */ | |
1575 | udelay(20); | |
1576 | data = qla1280_debounce_register(®->ictrl); | |
1577 | /* | |
1578 | * Yet another QLogic gem ;-( | |
1579 | */ | |
1580 | for (cnt = 1000000; cnt && data & ISP_RESET; cnt--) { | |
1581 | udelay(5); | |
1582 | data = RD_REG_WORD(®->ictrl); | |
1583 | } | |
1584 | ||
1585 | if (!cnt) | |
1586 | goto fail; | |
1587 | ||
1588 | /* Reset register cleared by chip reset. */ | |
1589 | dprintk(3, "qla1280_chip_diag: reset register cleared by chip reset\n"); | |
1590 | ||
1591 | WRT_REG_WORD(®->cfg_1, 0); | |
1592 | ||
1593 | /* Reset RISC and disable BIOS which | |
1594 | allows RISC to execute out of RAM. */ | |
1595 | WRT_REG_WORD(®->host_cmd, HC_RESET_RISC | | |
1596 | HC_RELEASE_RISC | HC_DISABLE_BIOS); | |
1597 | ||
1598 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
1599 | data = qla1280_debounce_register(®->mailbox0); | |
1600 | ||
1601 | /* | |
1602 | * I *LOVE* this code! | |
1603 | */ | |
1604 | for (cnt = 1000000; cnt && data == MBS_BUSY; cnt--) { | |
1605 | udelay(5); | |
1606 | data = RD_REG_WORD(®->mailbox0); | |
1607 | } | |
1608 | ||
1609 | if (!cnt) | |
1610 | goto fail; | |
1611 | ||
1612 | /* Check product ID of chip */ | |
1613 | dprintk(3, "qla1280_chip_diag: Checking product ID of chip\n"); | |
1614 | ||
1615 | if (RD_REG_WORD(®->mailbox1) != PROD_ID_1 || | |
1616 | (RD_REG_WORD(®->mailbox2) != PROD_ID_2 && | |
1617 | RD_REG_WORD(®->mailbox2) != PROD_ID_2a) || | |
1618 | RD_REG_WORD(®->mailbox3) != PROD_ID_3 || | |
1619 | RD_REG_WORD(®->mailbox4) != PROD_ID_4) { | |
1620 | printk(KERN_INFO "qla1280: Wrong product ID = " | |
1621 | "0x%x,0x%x,0x%x,0x%x\n", | |
1622 | RD_REG_WORD(®->mailbox1), | |
1623 | RD_REG_WORD(®->mailbox2), | |
1624 | RD_REG_WORD(®->mailbox3), | |
1625 | RD_REG_WORD(®->mailbox4)); | |
1626 | goto fail; | |
1627 | } | |
1628 | ||
1629 | /* | |
1630 | * Enable ints early!!! | |
1631 | */ | |
1632 | qla1280_enable_intrs(ha); | |
1633 | ||
1634 | dprintk(1, "qla1280_chip_diag: Checking mailboxes of chip\n"); | |
1635 | /* Wrap Incoming Mailboxes Test. */ | |
1636 | mb[0] = MBC_MAILBOX_REGISTER_TEST; | |
1637 | mb[1] = 0xAAAA; | |
1638 | mb[2] = 0x5555; | |
1639 | mb[3] = 0xAA55; | |
1640 | mb[4] = 0x55AA; | |
1641 | mb[5] = 0xA5A5; | |
1642 | mb[6] = 0x5A5A; | |
1643 | mb[7] = 0x2525; | |
1644 | ||
1645 | status = qla1280_mailbox_command(ha, 0xff, mb); | |
1646 | if (status) | |
1647 | goto fail; | |
1648 | ||
1649 | if (mb[1] != 0xAAAA || mb[2] != 0x5555 || mb[3] != 0xAA55 || | |
1650 | mb[4] != 0x55AA || mb[5] != 0xA5A5 || mb[6] != 0x5A5A || | |
1651 | mb[7] != 0x2525) { | |
1652 | printk(KERN_INFO "qla1280: Failed mbox check\n"); | |
1653 | goto fail; | |
1654 | } | |
1655 | ||
1656 | dprintk(3, "qla1280_chip_diag: exiting normally\n"); | |
1657 | return 0; | |
1658 | fail: | |
1659 | dprintk(2, "qla1280_chip_diag: **** FAILED ****\n"); | |
1660 | return status; | |
1661 | } | |
1662 | ||
1663 | static int | |
1664 | qla1280_load_firmware_pio(struct scsi_qla_host *ha) | |
1665 | { | |
421e33d0 MR |
1666 | /* enter with host_lock acquired */ |
1667 | ||
1bfa11db JSR |
1668 | const struct firmware *fw; |
1669 | const __le16 *fw_data; | |
1670 | uint16_t risc_address, risc_code_size; | |
1da177e4 | 1671 | uint16_t mb[MAILBOX_REGISTER_COUNT], i; |
421e33d0 MR |
1672 | int err = 0; |
1673 | ||
1674 | fw = qla1280_request_firmware(ha); | |
1675 | if (IS_ERR(fw)) | |
1676 | return PTR_ERR(fw); | |
1da177e4 | 1677 | |
1bfa11db JSR |
1678 | fw_data = (const __le16 *)&fw->data[0]; |
1679 | ha->fwstart = __le16_to_cpu(fw_data[2]); | |
1680 | ||
1da177e4 | 1681 | /* Load RISC code. */ |
1bfa11db | 1682 | risc_address = ha->fwstart; |
0ce49d6d | 1683 | fw_data = (const __le16 *)&fw->data[6]; |
1bfa11db | 1684 | risc_code_size = (fw->size - 6) / 2; |
1da177e4 LT |
1685 | |
1686 | for (i = 0; i < risc_code_size; i++) { | |
1687 | mb[0] = MBC_WRITE_RAM_WORD; | |
1688 | mb[1] = risc_address + i; | |
1bfa11db | 1689 | mb[2] = __le16_to_cpu(fw_data[i]); |
1da177e4 LT |
1690 | |
1691 | err = qla1280_mailbox_command(ha, BIT_0 | BIT_1 | BIT_2, mb); | |
1692 | if (err) { | |
1693 | printk(KERN_ERR "scsi(%li): Failed to load firmware\n", | |
1694 | ha->host_no); | |
421e33d0 | 1695 | break; |
1da177e4 LT |
1696 | } |
1697 | } | |
421e33d0 | 1698 | |
1bfa11db | 1699 | return err; |
1da177e4 LT |
1700 | } |
1701 | ||
1702 | #define DUMP_IT_BACK 0 /* for debug of RISC loading */ | |
1703 | static int | |
1704 | qla1280_load_firmware_dma(struct scsi_qla_host *ha) | |
1705 | { | |
421e33d0 | 1706 | /* enter with host_lock acquired */ |
1bfa11db JSR |
1707 | const struct firmware *fw; |
1708 | const __le16 *fw_data; | |
1709 | uint16_t risc_address, risc_code_size; | |
1da177e4 LT |
1710 | uint16_t mb[MAILBOX_REGISTER_COUNT], cnt; |
1711 | int err = 0, num, i; | |
1712 | #if DUMP_IT_BACK | |
1713 | uint8_t *sp, *tbuf; | |
1714 | dma_addr_t p_tbuf; | |
1715 | ||
60ea4fb1 | 1716 | tbuf = dma_alloc_coherent(&ha->pdev->dev, 8000, &p_tbuf, GFP_KERNEL); |
1da177e4 LT |
1717 | if (!tbuf) |
1718 | return -ENOMEM; | |
1719 | #endif | |
1720 | ||
421e33d0 MR |
1721 | fw = qla1280_request_firmware(ha); |
1722 | if (IS_ERR(fw)) | |
1723 | return PTR_ERR(fw); | |
1724 | ||
1bfa11db JSR |
1725 | fw_data = (const __le16 *)&fw->data[0]; |
1726 | ha->fwstart = __le16_to_cpu(fw_data[2]); | |
1727 | ||
1da177e4 | 1728 | /* Load RISC code. */ |
1bfa11db | 1729 | risc_address = ha->fwstart; |
0ce49d6d | 1730 | fw_data = (const __le16 *)&fw->data[6]; |
1bfa11db | 1731 | risc_code_size = (fw->size - 6) / 2; |
1da177e4 LT |
1732 | |
1733 | dprintk(1, "%s: DMA RISC code (%i) words\n", | |
cadbd4a5 | 1734 | __func__, risc_code_size); |
1da177e4 LT |
1735 | |
1736 | num = 0; | |
1737 | while (risc_code_size > 0) { | |
1738 | int warn __attribute__((unused)) = 0; | |
1739 | ||
1740 | cnt = 2000 >> 1; | |
1741 | ||
1742 | if (cnt > risc_code_size) | |
1743 | cnt = risc_code_size; | |
1744 | ||
1745 | dprintk(2, "qla1280_setup_chip: loading risc @ =(0x%p)," | |
1746 | "%d,%d(0x%x)\n", | |
1bfa11db | 1747 | fw_data, cnt, num, risc_address); |
1da177e4 | 1748 | for(i = 0; i < cnt; i++) |
1bfa11db | 1749 | ((__le16 *)ha->request_ring)[i] = fw_data[i]; |
1da177e4 LT |
1750 | |
1751 | mb[0] = MBC_LOAD_RAM; | |
1752 | mb[1] = risc_address; | |
1753 | mb[4] = cnt; | |
1754 | mb[3] = ha->request_dma & 0xffff; | |
1755 | mb[2] = (ha->request_dma >> 16) & 0xffff; | |
f20f43c3 CH |
1756 | mb[7] = upper_32_bits(ha->request_dma) & 0xffff; |
1757 | mb[6] = upper_32_bits(ha->request_dma) >> 16; | |
1da177e4 | 1758 | dprintk(2, "%s: op=%d 0x%p = 0x%4x,0x%4x,0x%4x,0x%4x\n", |
cadbd4a5 | 1759 | __func__, mb[0], |
1da177e4 LT |
1760 | (void *)(long)ha->request_dma, |
1761 | mb[6], mb[7], mb[2], mb[3]); | |
1762 | err = qla1280_mailbox_command(ha, BIT_4 | BIT_3 | BIT_2 | | |
1763 | BIT_1 | BIT_0, mb); | |
1764 | if (err) { | |
1765 | printk(KERN_ERR "scsi(%li): Failed to load partial " | |
1766 | "segment of f\n", ha->host_no); | |
1767 | goto out; | |
1768 | } | |
1769 | ||
1770 | #if DUMP_IT_BACK | |
1771 | mb[0] = MBC_DUMP_RAM; | |
1772 | mb[1] = risc_address; | |
1773 | mb[4] = cnt; | |
1774 | mb[3] = p_tbuf & 0xffff; | |
1775 | mb[2] = (p_tbuf >> 16) & 0xffff; | |
f20f43c3 CH |
1776 | mb[7] = upper_32_bits(p_tbuf) & 0xffff; |
1777 | mb[6] = upper_32_bits(p_tbuf) >> 16; | |
1da177e4 LT |
1778 | |
1779 | err = qla1280_mailbox_command(ha, BIT_4 | BIT_3 | BIT_2 | | |
1780 | BIT_1 | BIT_0, mb); | |
1781 | if (err) { | |
1782 | printk(KERN_ERR | |
1783 | "Failed to dump partial segment of f/w\n"); | |
1784 | goto out; | |
1785 | } | |
1786 | sp = (uint8_t *)ha->request_ring; | |
1787 | for (i = 0; i < (cnt << 1); i++) { | |
1788 | if (tbuf[i] != sp[i] && warn++ < 10) { | |
1789 | printk(KERN_ERR "%s: FW compare error @ " | |
1790 | "byte(0x%x) loop#=%x\n", | |
cadbd4a5 | 1791 | __func__, i, num); |
1da177e4 LT |
1792 | printk(KERN_ERR "%s: FWbyte=%x " |
1793 | "FWfromChip=%x\n", | |
cadbd4a5 | 1794 | __func__, sp[i], tbuf[i]); |
1da177e4 LT |
1795 | /*break; */ |
1796 | } | |
1797 | } | |
1798 | #endif | |
1799 | risc_address += cnt; | |
1800 | risc_code_size = risc_code_size - cnt; | |
1bfa11db | 1801 | fw_data = fw_data + cnt; |
1da177e4 LT |
1802 | num++; |
1803 | } | |
1804 | ||
1805 | out: | |
1806 | #if DUMP_IT_BACK | |
60ea4fb1 | 1807 | dma_free_coherent(&ha->pdev->dev, 8000, tbuf, p_tbuf); |
1da177e4 LT |
1808 | #endif |
1809 | return err; | |
1810 | } | |
1811 | ||
1812 | static int | |
1813 | qla1280_start_firmware(struct scsi_qla_host *ha) | |
1814 | { | |
1815 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
1816 | int err; | |
1817 | ||
1818 | dprintk(1, "%s: Verifying checksum of loaded RISC code.\n", | |
cadbd4a5 | 1819 | __func__); |
1da177e4 LT |
1820 | |
1821 | /* Verify checksum of loaded RISC code. */ | |
1822 | mb[0] = MBC_VERIFY_CHECKSUM; | |
1823 | /* mb[1] = ql12_risc_code_addr01; */ | |
1bfa11db | 1824 | mb[1] = ha->fwstart; |
1da177e4 LT |
1825 | err = qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); |
1826 | if (err) { | |
2b55cac3 | 1827 | printk(KERN_ERR "scsi(%li): RISC checksum failed.\n", ha->host_no); |
1da177e4 LT |
1828 | return err; |
1829 | } | |
1830 | ||
1831 | /* Start firmware execution. */ | |
cadbd4a5 | 1832 | dprintk(1, "%s: start firmware running.\n", __func__); |
1da177e4 | 1833 | mb[0] = MBC_EXECUTE_FIRMWARE; |
1bfa11db | 1834 | mb[1] = ha->fwstart; |
1da177e4 LT |
1835 | err = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); |
1836 | if (err) { | |
1837 | printk(KERN_ERR "scsi(%li): Failed to start firmware\n", | |
1838 | ha->host_no); | |
1839 | } | |
1840 | ||
1841 | return err; | |
1842 | } | |
1843 | ||
1844 | static int | |
1845 | qla1280_load_firmware(struct scsi_qla_host *ha) | |
1846 | { | |
421e33d0 | 1847 | /* enter with host_lock taken */ |
5c79d615 | 1848 | int err; |
1da177e4 LT |
1849 | |
1850 | err = qla1280_chip_diag(ha); | |
1851 | if (err) | |
1852 | goto out; | |
1853 | if (IS_ISP1040(ha)) | |
1854 | err = qla1280_load_firmware_pio(ha); | |
1855 | else | |
1856 | err = qla1280_load_firmware_dma(ha); | |
1857 | if (err) | |
1858 | goto out; | |
1859 | err = qla1280_start_firmware(ha); | |
1860 | out: | |
1861 | return err; | |
1862 | } | |
1863 | ||
1864 | /* | |
1865 | * Initialize rings | |
1866 | * | |
1867 | * Input: | |
1868 | * ha = adapter block pointer. | |
1869 | * ha->request_ring = request ring virtual address | |
1870 | * ha->response_ring = response ring virtual address | |
1871 | * ha->request_dma = request ring physical address | |
1872 | * ha->response_dma = response ring physical address | |
1873 | * | |
1874 | * Returns: | |
1875 | * 0 = success. | |
1876 | */ | |
1877 | static int | |
1878 | qla1280_init_rings(struct scsi_qla_host *ha) | |
1879 | { | |
1880 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
1881 | int status = 0; | |
1882 | ||
1883 | ENTER("qla1280_init_rings"); | |
1884 | ||
1885 | /* Clear outstanding commands array. */ | |
1886 | memset(ha->outstanding_cmds, 0, | |
1887 | sizeof(struct srb *) * MAX_OUTSTANDING_COMMANDS); | |
1888 | ||
1889 | /* Initialize request queue. */ | |
1890 | ha->request_ring_ptr = ha->request_ring; | |
1891 | ha->req_ring_index = 0; | |
1892 | ha->req_q_cnt = REQUEST_ENTRY_CNT; | |
1893 | /* mb[0] = MBC_INIT_REQUEST_QUEUE; */ | |
1894 | mb[0] = MBC_INIT_REQUEST_QUEUE_A64; | |
1895 | mb[1] = REQUEST_ENTRY_CNT; | |
1896 | mb[3] = ha->request_dma & 0xffff; | |
1897 | mb[2] = (ha->request_dma >> 16) & 0xffff; | |
1898 | mb[4] = 0; | |
f20f43c3 CH |
1899 | mb[7] = upper_32_bits(ha->request_dma) & 0xffff; |
1900 | mb[6] = upper_32_bits(ha->request_dma) >> 16; | |
1da177e4 LT |
1901 | if (!(status = qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_4 | |
1902 | BIT_3 | BIT_2 | BIT_1 | BIT_0, | |
1903 | &mb[0]))) { | |
1904 | /* Initialize response queue. */ | |
1905 | ha->response_ring_ptr = ha->response_ring; | |
1906 | ha->rsp_ring_index = 0; | |
1907 | /* mb[0] = MBC_INIT_RESPONSE_QUEUE; */ | |
1908 | mb[0] = MBC_INIT_RESPONSE_QUEUE_A64; | |
1909 | mb[1] = RESPONSE_ENTRY_CNT; | |
1910 | mb[3] = ha->response_dma & 0xffff; | |
1911 | mb[2] = (ha->response_dma >> 16) & 0xffff; | |
1912 | mb[5] = 0; | |
f20f43c3 CH |
1913 | mb[7] = upper_32_bits(ha->response_dma) & 0xffff; |
1914 | mb[6] = upper_32_bits(ha->response_dma) >> 16; | |
1da177e4 LT |
1915 | status = qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_5 | |
1916 | BIT_3 | BIT_2 | BIT_1 | BIT_0, | |
1917 | &mb[0]); | |
1918 | } | |
1919 | ||
1920 | if (status) | |
1921 | dprintk(2, "qla1280_init_rings: **** FAILED ****\n"); | |
1922 | ||
1923 | LEAVE("qla1280_init_rings"); | |
1924 | return status; | |
1925 | } | |
1926 | ||
1927 | static void | |
1928 | qla1280_print_settings(struct nvram *nv) | |
1929 | { | |
1930 | dprintk(1, "qla1280 : initiator scsi id bus[0]=%d\n", | |
1931 | nv->bus[0].config_1.initiator_id); | |
1932 | dprintk(1, "qla1280 : initiator scsi id bus[1]=%d\n", | |
1933 | nv->bus[1].config_1.initiator_id); | |
1934 | ||
1935 | dprintk(1, "qla1280 : bus reset delay[0]=%d\n", | |
1936 | nv->bus[0].bus_reset_delay); | |
1937 | dprintk(1, "qla1280 : bus reset delay[1]=%d\n", | |
1938 | nv->bus[1].bus_reset_delay); | |
1939 | ||
1940 | dprintk(1, "qla1280 : retry count[0]=%d\n", nv->bus[0].retry_count); | |
1941 | dprintk(1, "qla1280 : retry delay[0]=%d\n", nv->bus[0].retry_delay); | |
1942 | dprintk(1, "qla1280 : retry count[1]=%d\n", nv->bus[1].retry_count); | |
1943 | dprintk(1, "qla1280 : retry delay[1]=%d\n", nv->bus[1].retry_delay); | |
1944 | ||
1945 | dprintk(1, "qla1280 : async data setup time[0]=%d\n", | |
1946 | nv->bus[0].config_2.async_data_setup_time); | |
1947 | dprintk(1, "qla1280 : async data setup time[1]=%d\n", | |
1948 | nv->bus[1].config_2.async_data_setup_time); | |
1949 | ||
1950 | dprintk(1, "qla1280 : req/ack active negation[0]=%d\n", | |
1951 | nv->bus[0].config_2.req_ack_active_negation); | |
1952 | dprintk(1, "qla1280 : req/ack active negation[1]=%d\n", | |
1953 | nv->bus[1].config_2.req_ack_active_negation); | |
1954 | ||
1955 | dprintk(1, "qla1280 : data line active negation[0]=%d\n", | |
1956 | nv->bus[0].config_2.data_line_active_negation); | |
1957 | dprintk(1, "qla1280 : data line active negation[1]=%d\n", | |
1958 | nv->bus[1].config_2.data_line_active_negation); | |
1959 | ||
1960 | dprintk(1, "qla1280 : disable loading risc code=%d\n", | |
1961 | nv->cntr_flags_1.disable_loading_risc_code); | |
1962 | ||
1963 | dprintk(1, "qla1280 : enable 64bit addressing=%d\n", | |
1964 | nv->cntr_flags_1.enable_64bit_addressing); | |
1965 | ||
1966 | dprintk(1, "qla1280 : selection timeout limit[0]=%d\n", | |
1967 | nv->bus[0].selection_timeout); | |
1968 | dprintk(1, "qla1280 : selection timeout limit[1]=%d\n", | |
1969 | nv->bus[1].selection_timeout); | |
1970 | ||
1971 | dprintk(1, "qla1280 : max queue depth[0]=%d\n", | |
1972 | nv->bus[0].max_queue_depth); | |
1973 | dprintk(1, "qla1280 : max queue depth[1]=%d\n", | |
1974 | nv->bus[1].max_queue_depth); | |
1975 | } | |
1976 | ||
1977 | static void | |
1978 | qla1280_set_target_defaults(struct scsi_qla_host *ha, int bus, int target) | |
1979 | { | |
1980 | struct nvram *nv = &ha->nvram; | |
1981 | ||
7a34766f CH |
1982 | nv->bus[bus].target[target].parameter.renegotiate_on_error = 1; |
1983 | nv->bus[bus].target[target].parameter.auto_request_sense = 1; | |
1984 | nv->bus[bus].target[target].parameter.tag_queuing = 1; | |
1985 | nv->bus[bus].target[target].parameter.enable_sync = 1; | |
1da177e4 | 1986 | #if 1 /* Some SCSI Processors do not seem to like this */ |
7a34766f | 1987 | nv->bus[bus].target[target].parameter.enable_wide = 1; |
1da177e4 | 1988 | #endif |
1da177e4 LT |
1989 | nv->bus[bus].target[target].execution_throttle = |
1990 | nv->bus[bus].max_queue_depth - 1; | |
7a34766f CH |
1991 | nv->bus[bus].target[target].parameter.parity_checking = 1; |
1992 | nv->bus[bus].target[target].parameter.disconnect_allowed = 1; | |
1da177e4 LT |
1993 | |
1994 | if (IS_ISP1x160(ha)) { | |
1995 | nv->bus[bus].target[target].flags.flags1x160.device_enable = 1; | |
1996 | nv->bus[bus].target[target].flags.flags1x160.sync_offset = 0x0e; | |
1997 | nv->bus[bus].target[target].sync_period = 9; | |
1998 | nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 1; | |
1999 | nv->bus[bus].target[target].ppr_1x160.flags.ppr_options = 2; | |
2000 | nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width = 1; | |
2001 | } else { | |
2002 | nv->bus[bus].target[target].flags.flags1x80.device_enable = 1; | |
2003 | nv->bus[bus].target[target].flags.flags1x80.sync_offset = 12; | |
2004 | nv->bus[bus].target[target].sync_period = 10; | |
2005 | } | |
2006 | } | |
2007 | ||
2008 | static void | |
2009 | qla1280_set_defaults(struct scsi_qla_host *ha) | |
2010 | { | |
2011 | struct nvram *nv = &ha->nvram; | |
2012 | int bus, target; | |
2013 | ||
2014 | dprintk(1, "Using defaults for NVRAM: \n"); | |
2015 | memset(nv, 0, sizeof(struct nvram)); | |
2016 | ||
2017 | /* nv->cntr_flags_1.disable_loading_risc_code = 1; */ | |
2018 | nv->firmware_feature.f.enable_fast_posting = 1; | |
2019 | nv->firmware_feature.f.disable_synchronous_backoff = 1; | |
0888f4c3 CH |
2020 | nv->termination.scsi_bus_0_control = 3; |
2021 | nv->termination.scsi_bus_1_control = 3; | |
2022 | nv->termination.auto_term_support = 1; | |
1da177e4 LT |
2023 | |
2024 | /* | |
2025 | * Set default FIFO magic - What appropriate values would be here | |
2026 | * is unknown. This is what I have found testing with 12160s. | |
2027 | * | |
2028 | * Now, I would love the magic decoder ring for this one, the | |
2029 | * header file provided by QLogic seems to be bogus or incomplete | |
2030 | * at best. | |
2031 | */ | |
0888f4c3 CH |
2032 | nv->isp_config.burst_enable = 1; |
2033 | if (IS_ISP1040(ha)) | |
2034 | nv->isp_config.fifo_threshold |= 3; | |
2035 | else | |
2036 | nv->isp_config.fifo_threshold |= 4; | |
2037 | ||
1da177e4 LT |
2038 | if (IS_ISP1x160(ha)) |
2039 | nv->isp_parameter = 0x01; /* fast memory enable */ | |
2040 | ||
2041 | for (bus = 0; bus < MAX_BUSES; bus++) { | |
2042 | nv->bus[bus].config_1.initiator_id = 7; | |
2043 | nv->bus[bus].config_2.req_ack_active_negation = 1; | |
2044 | nv->bus[bus].config_2.data_line_active_negation = 1; | |
2045 | nv->bus[bus].selection_timeout = 250; | |
af5741c6 | 2046 | nv->bus[bus].max_queue_depth = 32; |
1da177e4 LT |
2047 | |
2048 | if (IS_ISP1040(ha)) { | |
2049 | nv->bus[bus].bus_reset_delay = 3; | |
2050 | nv->bus[bus].config_2.async_data_setup_time = 6; | |
2051 | nv->bus[bus].retry_delay = 1; | |
2052 | } else { | |
2053 | nv->bus[bus].bus_reset_delay = 5; | |
2054 | nv->bus[bus].config_2.async_data_setup_time = 8; | |
2055 | } | |
2056 | ||
2057 | for (target = 0; target < MAX_TARGETS; target++) | |
2058 | qla1280_set_target_defaults(ha, bus, target); | |
2059 | } | |
2060 | } | |
2061 | ||
2062 | static int | |
2063 | qla1280_config_target(struct scsi_qla_host *ha, int bus, int target) | |
2064 | { | |
2065 | struct nvram *nv = &ha->nvram; | |
2066 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2067 | int status, lun; | |
7a34766f | 2068 | uint16_t flag; |
1da177e4 LT |
2069 | |
2070 | /* Set Target Parameters. */ | |
2071 | mb[0] = MBC_SET_TARGET_PARAMETERS; | |
7a34766f | 2072 | mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8); |
1da177e4 LT |
2073 | |
2074 | /* | |
7a34766f CH |
2075 | * Do not enable sync and ppr for the initial INQUIRY run. We |
2076 | * enable this later if we determine the target actually | |
2077 | * supports it. | |
1da177e4 | 2078 | */ |
7a34766f CH |
2079 | mb[2] = (TP_RENEGOTIATE | TP_AUTO_REQUEST_SENSE | TP_TAGGED_QUEUE |
2080 | | TP_WIDE | TP_PARITY | TP_DISCONNECT); | |
1da177e4 LT |
2081 | |
2082 | if (IS_ISP1x160(ha)) | |
2083 | mb[3] = nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8; | |
2084 | else | |
2085 | mb[3] = nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8; | |
2086 | mb[3] |= nv->bus[bus].target[target].sync_period; | |
7a34766f | 2087 | status = qla1280_mailbox_command(ha, 0x0f, mb); |
1da177e4 LT |
2088 | |
2089 | /* Save Tag queuing enable flag. */ | |
af5741c6 | 2090 | flag = (BIT_0 << target); |
7a34766f CH |
2091 | if (nv->bus[bus].target[target].parameter.tag_queuing) |
2092 | ha->bus_settings[bus].qtag_enables |= flag; | |
1da177e4 LT |
2093 | |
2094 | /* Save Device enable flag. */ | |
2095 | if (IS_ISP1x160(ha)) { | |
2096 | if (nv->bus[bus].target[target].flags.flags1x160.device_enable) | |
7a34766f | 2097 | ha->bus_settings[bus].device_enables |= flag; |
1da177e4 LT |
2098 | ha->bus_settings[bus].lun_disables |= 0; |
2099 | } else { | |
2100 | if (nv->bus[bus].target[target].flags.flags1x80.device_enable) | |
7a34766f | 2101 | ha->bus_settings[bus].device_enables |= flag; |
1da177e4 LT |
2102 | /* Save LUN disable flag. */ |
2103 | if (nv->bus[bus].target[target].flags.flags1x80.lun_disable) | |
7a34766f | 2104 | ha->bus_settings[bus].lun_disables |= flag; |
1da177e4 LT |
2105 | } |
2106 | ||
2107 | /* Set Device Queue Parameters. */ | |
2108 | for (lun = 0; lun < MAX_LUNS; lun++) { | |
2109 | mb[0] = MBC_SET_DEVICE_QUEUE; | |
7a34766f CH |
2110 | mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8); |
2111 | mb[1] |= lun; | |
1da177e4 LT |
2112 | mb[2] = nv->bus[bus].max_queue_depth; |
2113 | mb[3] = nv->bus[bus].target[target].execution_throttle; | |
7a34766f | 2114 | status |= qla1280_mailbox_command(ha, 0x0f, mb); |
1da177e4 LT |
2115 | } |
2116 | ||
2117 | return status; | |
2118 | } | |
2119 | ||
2120 | static int | |
2121 | qla1280_config_bus(struct scsi_qla_host *ha, int bus) | |
2122 | { | |
2123 | struct nvram *nv = &ha->nvram; | |
2124 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2125 | int target, status; | |
2126 | ||
2127 | /* SCSI Reset Disable. */ | |
2128 | ha->bus_settings[bus].disable_scsi_reset = | |
2129 | nv->bus[bus].config_1.scsi_reset_disable; | |
2130 | ||
2131 | /* Initiator ID. */ | |
2132 | ha->bus_settings[bus].id = nv->bus[bus].config_1.initiator_id; | |
2133 | mb[0] = MBC_SET_INITIATOR_ID; | |
2134 | mb[1] = bus ? ha->bus_settings[bus].id | BIT_7 : | |
2135 | ha->bus_settings[bus].id; | |
2136 | status = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); | |
2137 | ||
2138 | /* Reset Delay. */ | |
2139 | ha->bus_settings[bus].bus_reset_delay = | |
2140 | nv->bus[bus].bus_reset_delay; | |
2141 | ||
2142 | /* Command queue depth per device. */ | |
2143 | ha->bus_settings[bus].hiwat = nv->bus[bus].max_queue_depth - 1; | |
2144 | ||
2145 | /* Set target parameters. */ | |
2146 | for (target = 0; target < MAX_TARGETS; target++) | |
2147 | status |= qla1280_config_target(ha, bus, target); | |
2148 | ||
2149 | return status; | |
2150 | } | |
2151 | ||
2152 | static int | |
2153 | qla1280_nvram_config(struct scsi_qla_host *ha) | |
2154 | { | |
2155 | struct device_reg __iomem *reg = ha->iobase; | |
2156 | struct nvram *nv = &ha->nvram; | |
2157 | int bus, target, status = 0; | |
2158 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
1da177e4 LT |
2159 | |
2160 | ENTER("qla1280_nvram_config"); | |
2161 | ||
2162 | if (ha->nvram_valid) { | |
2163 | /* Always force AUTO sense for LINUX SCSI */ | |
2164 | for (bus = 0; bus < MAX_BUSES; bus++) | |
2165 | for (target = 0; target < MAX_TARGETS; target++) { | |
7a34766f | 2166 | nv->bus[bus].target[target].parameter. |
1da177e4 LT |
2167 | auto_request_sense = 1; |
2168 | } | |
2169 | } else { | |
2170 | qla1280_set_defaults(ha); | |
2171 | } | |
2172 | ||
2173 | qla1280_print_settings(nv); | |
2174 | ||
2175 | /* Disable RISC load of firmware. */ | |
2176 | ha->flags.disable_risc_code_load = | |
2177 | nv->cntr_flags_1.disable_loading_risc_code; | |
2178 | ||
2179 | if (IS_ISP1040(ha)) { | |
2180 | uint16_t hwrev, cfg1, cdma_conf, ddma_conf; | |
2181 | ||
2182 | hwrev = RD_REG_WORD(®->cfg_0) & ISP_CFG0_HWMSK; | |
2183 | ||
0888f4c3 | 2184 | cfg1 = RD_REG_WORD(®->cfg_1) & ~(BIT_4 | BIT_5 | BIT_6); |
1da177e4 LT |
2185 | cdma_conf = RD_REG_WORD(®->cdma_cfg); |
2186 | ddma_conf = RD_REG_WORD(®->ddma_cfg); | |
2187 | ||
2188 | /* Busted fifo, says mjacob. */ | |
0888f4c3 CH |
2189 | if (hwrev != ISP_CFG0_1040A) |
2190 | cfg1 |= nv->isp_config.fifo_threshold << 4; | |
2191 | ||
2192 | cfg1 |= nv->isp_config.burst_enable << 2; | |
2193 | WRT_REG_WORD(®->cfg_1, cfg1); | |
1da177e4 LT |
2194 | |
2195 | WRT_REG_WORD(®->cdma_cfg, cdma_conf | CDMA_CONF_BENAB); | |
2196 | WRT_REG_WORD(®->ddma_cfg, cdma_conf | DDMA_CONF_BENAB); | |
2197 | } else { | |
0888f4c3 CH |
2198 | uint16_t cfg1, term; |
2199 | ||
1da177e4 | 2200 | /* Set ISP hardware DMA burst */ |
0888f4c3 CH |
2201 | cfg1 = nv->isp_config.fifo_threshold << 4; |
2202 | cfg1 |= nv->isp_config.burst_enable << 2; | |
1da177e4 LT |
2203 | /* Enable DMA arbitration on dual channel controllers */ |
2204 | if (ha->ports > 1) | |
0888f4c3 CH |
2205 | cfg1 |= BIT_13; |
2206 | WRT_REG_WORD(®->cfg_1, cfg1); | |
1da177e4 LT |
2207 | |
2208 | /* Set SCSI termination. */ | |
0888f4c3 CH |
2209 | WRT_REG_WORD(®->gpio_enable, |
2210 | BIT_7 | BIT_3 | BIT_2 | BIT_1 | BIT_0); | |
2211 | term = nv->termination.scsi_bus_1_control; | |
2212 | term |= nv->termination.scsi_bus_0_control << 2; | |
2213 | term |= nv->termination.auto_term_support << 7; | |
2214 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
2215 | WRT_REG_WORD(®->gpio_data, term); | |
1da177e4 | 2216 | } |
0888f4c3 | 2217 | RD_REG_WORD(®->id_l); /* Flush PCI write */ |
1da177e4 LT |
2218 | |
2219 | /* ISP parameter word. */ | |
2220 | mb[0] = MBC_SET_SYSTEM_PARAMETER; | |
2221 | mb[1] = nv->isp_parameter; | |
2222 | status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); | |
2223 | ||
2224 | if (IS_ISP1x40(ha)) { | |
2225 | /* clock rate - for qla1240 and older, only */ | |
2226 | mb[0] = MBC_SET_CLOCK_RATE; | |
2227 | mb[1] = 40; | |
2228 | status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); | |
2229 | } | |
2230 | ||
2231 | /* Firmware feature word. */ | |
2232 | mb[0] = MBC_SET_FIRMWARE_FEATURES; | |
7a34766f CH |
2233 | mb[1] = nv->firmware_feature.f.enable_fast_posting; |
2234 | mb[1] |= nv->firmware_feature.f.report_lvd_bus_transition << 1; | |
2235 | mb[1] |= nv->firmware_feature.f.disable_synchronous_backoff << 5; | |
7a34766f | 2236 | status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); |
1da177e4 LT |
2237 | |
2238 | /* Retry count and delay. */ | |
2239 | mb[0] = MBC_SET_RETRY_COUNT; | |
2240 | mb[1] = nv->bus[0].retry_count; | |
2241 | mb[2] = nv->bus[0].retry_delay; | |
2242 | mb[6] = nv->bus[1].retry_count; | |
2243 | mb[7] = nv->bus[1].retry_delay; | |
2244 | status |= qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_2 | | |
2245 | BIT_1 | BIT_0, &mb[0]); | |
2246 | ||
2247 | /* ASYNC data setup time. */ | |
2248 | mb[0] = MBC_SET_ASYNC_DATA_SETUP; | |
2249 | mb[1] = nv->bus[0].config_2.async_data_setup_time; | |
2250 | mb[2] = nv->bus[1].config_2.async_data_setup_time; | |
2251 | status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); | |
2252 | ||
2253 | /* Active negation states. */ | |
2254 | mb[0] = MBC_SET_ACTIVE_NEGATION; | |
2255 | mb[1] = 0; | |
2256 | if (nv->bus[0].config_2.req_ack_active_negation) | |
2257 | mb[1] |= BIT_5; | |
2258 | if (nv->bus[0].config_2.data_line_active_negation) | |
2259 | mb[1] |= BIT_4; | |
2260 | mb[2] = 0; | |
2261 | if (nv->bus[1].config_2.req_ack_active_negation) | |
2262 | mb[2] |= BIT_5; | |
2263 | if (nv->bus[1].config_2.data_line_active_negation) | |
2264 | mb[2] |= BIT_4; | |
7a34766f | 2265 | status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb); |
1da177e4 LT |
2266 | |
2267 | mb[0] = MBC_SET_DATA_OVERRUN_RECOVERY; | |
2268 | mb[1] = 2; /* Reset SCSI bus and return all outstanding IO */ | |
7a34766f | 2269 | status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); |
1da177e4 LT |
2270 | |
2271 | /* thingy */ | |
2272 | mb[0] = MBC_SET_PCI_CONTROL; | |
7a34766f CH |
2273 | mb[1] = BIT_1; /* Data DMA Channel Burst Enable */ |
2274 | mb[2] = BIT_1; /* Command DMA Channel Burst Enable */ | |
2275 | status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb); | |
1da177e4 LT |
2276 | |
2277 | mb[0] = MBC_SET_TAG_AGE_LIMIT; | |
2278 | mb[1] = 8; | |
7a34766f | 2279 | status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); |
1da177e4 LT |
2280 | |
2281 | /* Selection timeout. */ | |
2282 | mb[0] = MBC_SET_SELECTION_TIMEOUT; | |
2283 | mb[1] = nv->bus[0].selection_timeout; | |
2284 | mb[2] = nv->bus[1].selection_timeout; | |
7a34766f | 2285 | status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb); |
1da177e4 LT |
2286 | |
2287 | for (bus = 0; bus < ha->ports; bus++) | |
2288 | status |= qla1280_config_bus(ha, bus); | |
2289 | ||
2290 | if (status) | |
2291 | dprintk(2, "qla1280_nvram_config: **** FAILED ****\n"); | |
2292 | ||
2293 | LEAVE("qla1280_nvram_config"); | |
2294 | return status; | |
2295 | } | |
2296 | ||
2297 | /* | |
2298 | * Get NVRAM data word | |
2299 | * Calculates word position in NVRAM and calls request routine to | |
2300 | * get the word from NVRAM. | |
2301 | * | |
2302 | * Input: | |
2303 | * ha = adapter block pointer. | |
2304 | * address = NVRAM word address. | |
2305 | * | |
2306 | * Returns: | |
2307 | * data word. | |
2308 | */ | |
2309 | static uint16_t | |
2310 | qla1280_get_nvram_word(struct scsi_qla_host *ha, uint32_t address) | |
2311 | { | |
2312 | uint32_t nv_cmd; | |
2313 | uint16_t data; | |
2314 | ||
2315 | nv_cmd = address << 16; | |
2316 | nv_cmd |= NV_READ_OP; | |
2317 | ||
2318 | data = le16_to_cpu(qla1280_nvram_request(ha, nv_cmd)); | |
2319 | ||
2320 | dprintk(8, "qla1280_get_nvram_word: exiting normally NVRAM data = " | |
2321 | "0x%x", data); | |
2322 | ||
2323 | return data; | |
2324 | } | |
2325 | ||
2326 | /* | |
2327 | * NVRAM request | |
2328 | * Sends read command to NVRAM and gets data from NVRAM. | |
2329 | * | |
2330 | * Input: | |
2331 | * ha = adapter block pointer. | |
2332 | * nv_cmd = Bit 26 = start bit | |
2333 | * Bit 25, 24 = opcode | |
2334 | * Bit 23-16 = address | |
2335 | * Bit 15-0 = write data | |
2336 | * | |
2337 | * Returns: | |
2338 | * data word. | |
2339 | */ | |
2340 | static uint16_t | |
2341 | qla1280_nvram_request(struct scsi_qla_host *ha, uint32_t nv_cmd) | |
2342 | { | |
2343 | struct device_reg __iomem *reg = ha->iobase; | |
2344 | int cnt; | |
2345 | uint16_t data = 0; | |
2346 | uint16_t reg_data; | |
2347 | ||
2348 | /* Send command to NVRAM. */ | |
2349 | ||
2350 | nv_cmd <<= 5; | |
2351 | for (cnt = 0; cnt < 11; cnt++) { | |
2352 | if (nv_cmd & BIT_31) | |
2353 | qla1280_nv_write(ha, NV_DATA_OUT); | |
2354 | else | |
2355 | qla1280_nv_write(ha, 0); | |
2356 | nv_cmd <<= 1; | |
2357 | } | |
2358 | ||
2359 | /* Read data from NVRAM. */ | |
2360 | ||
2361 | for (cnt = 0; cnt < 16; cnt++) { | |
2362 | WRT_REG_WORD(®->nvram, (NV_SELECT | NV_CLOCK)); | |
2363 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
2364 | NVRAM_DELAY(); | |
2365 | data <<= 1; | |
2366 | reg_data = RD_REG_WORD(®->nvram); | |
2367 | if (reg_data & NV_DATA_IN) | |
2368 | data |= BIT_0; | |
2369 | WRT_REG_WORD(®->nvram, NV_SELECT); | |
2370 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
2371 | NVRAM_DELAY(); | |
2372 | } | |
2373 | ||
2374 | /* Deselect chip. */ | |
2375 | ||
2376 | WRT_REG_WORD(®->nvram, NV_DESELECT); | |
2377 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
2378 | NVRAM_DELAY(); | |
2379 | ||
2380 | return data; | |
2381 | } | |
2382 | ||
2383 | static void | |
2384 | qla1280_nv_write(struct scsi_qla_host *ha, uint16_t data) | |
2385 | { | |
2386 | struct device_reg __iomem *reg = ha->iobase; | |
2387 | ||
2388 | WRT_REG_WORD(®->nvram, data | NV_SELECT); | |
2389 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
2390 | NVRAM_DELAY(); | |
2391 | WRT_REG_WORD(®->nvram, data | NV_SELECT | NV_CLOCK); | |
2392 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
2393 | NVRAM_DELAY(); | |
2394 | WRT_REG_WORD(®->nvram, data | NV_SELECT); | |
2395 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
2396 | NVRAM_DELAY(); | |
2397 | } | |
2398 | ||
2399 | /* | |
2400 | * Mailbox Command | |
2401 | * Issue mailbox command and waits for completion. | |
2402 | * | |
2403 | * Input: | |
2404 | * ha = adapter block pointer. | |
2405 | * mr = mailbox registers to load. | |
2406 | * mb = data pointer for mailbox registers. | |
2407 | * | |
2408 | * Output: | |
2409 | * mb[MAILBOX_REGISTER_COUNT] = returned mailbox data. | |
2410 | * | |
2411 | * Returns: | |
2412 | * 0 = success | |
2413 | */ | |
2414 | static int | |
2415 | qla1280_mailbox_command(struct scsi_qla_host *ha, uint8_t mr, uint16_t *mb) | |
2416 | { | |
2417 | struct device_reg __iomem *reg = ha->iobase; | |
1da177e4 LT |
2418 | int status = 0; |
2419 | int cnt; | |
2420 | uint16_t *optr, *iptr; | |
2421 | uint16_t __iomem *mptr; | |
2422 | uint16_t data; | |
6e9a4738 | 2423 | DECLARE_COMPLETION_ONSTACK(wait); |
1da177e4 LT |
2424 | |
2425 | ENTER("qla1280_mailbox_command"); | |
2426 | ||
2427 | if (ha->mailbox_wait) { | |
2428 | printk(KERN_ERR "Warning mailbox wait already in use!\n"); | |
2429 | } | |
2430 | ha->mailbox_wait = &wait; | |
2431 | ||
2432 | /* | |
2433 | * We really should start out by verifying that the mailbox is | |
2434 | * available before starting sending the command data | |
2435 | */ | |
2436 | /* Load mailbox registers. */ | |
2437 | mptr = (uint16_t __iomem *) ®->mailbox0; | |
2438 | iptr = mb; | |
2439 | for (cnt = 0; cnt < MAILBOX_REGISTER_COUNT; cnt++) { | |
2440 | if (mr & BIT_0) { | |
2441 | WRT_REG_WORD(mptr, (*iptr)); | |
2442 | } | |
2443 | ||
2444 | mr >>= 1; | |
2445 | mptr++; | |
2446 | iptr++; | |
2447 | } | |
2448 | ||
2449 | /* Issue set host interrupt command. */ | |
2450 | ||
2451 | /* set up a timer just in case we're really jammed */ | |
9c6c273a KC |
2452 | timer_setup(&ha->mailbox_timer, qla1280_mailbox_timeout, 0); |
2453 | mod_timer(&ha->mailbox_timer, jiffies + 20 * HZ); | |
1da177e4 | 2454 | |
2dbb04c6 | 2455 | spin_unlock_irq(ha->host->host_lock); |
1da177e4 LT |
2456 | WRT_REG_WORD(®->host_cmd, HC_SET_HOST_INT); |
2457 | data = qla1280_debounce_register(®->istatus); | |
2458 | ||
2459 | wait_for_completion(&wait); | |
9c6c273a | 2460 | del_timer_sync(&ha->mailbox_timer); |
1da177e4 | 2461 | |
2dbb04c6 | 2462 | spin_lock_irq(ha->host->host_lock); |
1da177e4 LT |
2463 | |
2464 | ha->mailbox_wait = NULL; | |
2465 | ||
2466 | /* Check for mailbox command timeout. */ | |
2467 | if (ha->mailbox_out[0] != MBS_CMD_CMP) { | |
2468 | printk(KERN_WARNING "qla1280_mailbox_command: Command failed, " | |
2469 | "mailbox0 = 0x%04x, mailbox_out0 = 0x%04x, istatus = " | |
2470 | "0x%04x\n", | |
2471 | mb[0], ha->mailbox_out[0], RD_REG_WORD(®->istatus)); | |
2472 | printk(KERN_WARNING "m0 %04x, m1 %04x, m2 %04x, m3 %04x\n", | |
2473 | RD_REG_WORD(®->mailbox0), RD_REG_WORD(®->mailbox1), | |
2474 | RD_REG_WORD(®->mailbox2), RD_REG_WORD(®->mailbox3)); | |
2475 | printk(KERN_WARNING "m4 %04x, m5 %04x, m6 %04x, m7 %04x\n", | |
2476 | RD_REG_WORD(®->mailbox4), RD_REG_WORD(®->mailbox5), | |
2477 | RD_REG_WORD(®->mailbox6), RD_REG_WORD(®->mailbox7)); | |
2478 | status = 1; | |
2479 | } | |
2480 | ||
2481 | /* Load return mailbox registers. */ | |
2482 | optr = mb; | |
2483 | iptr = (uint16_t *) &ha->mailbox_out[0]; | |
2484 | mr = MAILBOX_REGISTER_COUNT; | |
2485 | memcpy(optr, iptr, MAILBOX_REGISTER_COUNT * sizeof(uint16_t)); | |
2486 | ||
1da177e4 LT |
2487 | if (ha->flags.reset_marker) |
2488 | qla1280_rst_aen(ha); | |
2489 | ||
1da177e4 LT |
2490 | if (status) |
2491 | dprintk(2, "qla1280_mailbox_command: **** FAILED, mailbox0 = " | |
2492 | "0x%x ****\n", mb[0]); | |
2493 | ||
2494 | LEAVE("qla1280_mailbox_command"); | |
2495 | return status; | |
2496 | } | |
2497 | ||
2498 | /* | |
2499 | * qla1280_poll | |
2500 | * Polls ISP for interrupts. | |
2501 | * | |
2502 | * Input: | |
2503 | * ha = adapter block pointer. | |
2504 | */ | |
2505 | static void | |
2506 | qla1280_poll(struct scsi_qla_host *ha) | |
2507 | { | |
2508 | struct device_reg __iomem *reg = ha->iobase; | |
2509 | uint16_t data; | |
2510 | LIST_HEAD(done_q); | |
2511 | ||
2512 | /* ENTER("qla1280_poll"); */ | |
2513 | ||
2514 | /* Check for pending interrupts. */ | |
2515 | data = RD_REG_WORD(®->istatus); | |
2516 | if (data & RISC_INT) | |
2517 | qla1280_isr(ha, &done_q); | |
2518 | ||
2519 | if (!ha->mailbox_wait) { | |
2520 | if (ha->flags.reset_marker) | |
2521 | qla1280_rst_aen(ha); | |
2522 | } | |
2523 | ||
2524 | if (!list_empty(&done_q)) | |
2525 | qla1280_done(ha); | |
2526 | ||
2527 | /* LEAVE("qla1280_poll"); */ | |
2528 | } | |
2529 | ||
2530 | /* | |
2531 | * qla1280_bus_reset | |
2532 | * Issue SCSI bus reset. | |
2533 | * | |
2534 | * Input: | |
2535 | * ha = adapter block pointer. | |
2536 | * bus = SCSI bus number. | |
2537 | * | |
2538 | * Returns: | |
2539 | * 0 = success | |
2540 | */ | |
2541 | static int | |
2542 | qla1280_bus_reset(struct scsi_qla_host *ha, int bus) | |
2543 | { | |
2544 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2545 | uint16_t reset_delay; | |
2546 | int status; | |
2547 | ||
2548 | dprintk(3, "qla1280_bus_reset: entered\n"); | |
2549 | ||
2550 | if (qla1280_verbose) | |
2551 | printk(KERN_INFO "scsi(%li:%i): Resetting SCSI BUS\n", | |
2552 | ha->host_no, bus); | |
2553 | ||
2554 | reset_delay = ha->bus_settings[bus].bus_reset_delay; | |
2555 | mb[0] = MBC_BUS_RESET; | |
2556 | mb[1] = reset_delay; | |
2557 | mb[2] = (uint16_t) bus; | |
2558 | status = qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); | |
2559 | ||
2560 | if (status) { | |
2561 | if (ha->bus_settings[bus].failed_reset_count > 2) | |
2562 | ha->bus_settings[bus].scsi_bus_dead = 1; | |
2563 | ha->bus_settings[bus].failed_reset_count++; | |
2564 | } else { | |
2dbb04c6 | 2565 | spin_unlock_irq(ha->host->host_lock); |
117e4b27 | 2566 | ssleep(reset_delay); |
2dbb04c6 | 2567 | spin_lock_irq(ha->host->host_lock); |
1da177e4 LT |
2568 | |
2569 | ha->bus_settings[bus].scsi_bus_dead = 0; | |
2570 | ha->bus_settings[bus].failed_reset_count = 0; | |
2571 | ha->bus_settings[bus].reset_marker = 0; | |
2572 | /* Issue marker command. */ | |
2573 | qla1280_marker(ha, bus, 0, 0, MK_SYNC_ALL); | |
2574 | } | |
2575 | ||
2576 | /* | |
2577 | * We should probably call qla1280_set_target_parameters() | |
2578 | * here as well for all devices on the bus. | |
2579 | */ | |
2580 | ||
2581 | if (status) | |
2582 | dprintk(2, "qla1280_bus_reset: **** FAILED ****\n"); | |
2583 | else | |
2584 | dprintk(3, "qla1280_bus_reset: exiting normally\n"); | |
2585 | ||
2586 | return status; | |
2587 | } | |
2588 | ||
2589 | /* | |
2590 | * qla1280_device_reset | |
2591 | * Issue bus device reset message to the target. | |
2592 | * | |
2593 | * Input: | |
2594 | * ha = adapter block pointer. | |
2595 | * bus = SCSI BUS number. | |
2596 | * target = SCSI ID. | |
2597 | * | |
2598 | * Returns: | |
2599 | * 0 = success | |
2600 | */ | |
2601 | static int | |
2602 | qla1280_device_reset(struct scsi_qla_host *ha, int bus, int target) | |
2603 | { | |
2604 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2605 | int status; | |
2606 | ||
2607 | ENTER("qla1280_device_reset"); | |
2608 | ||
2609 | mb[0] = MBC_ABORT_TARGET; | |
2610 | mb[1] = (bus ? (target | BIT_7) : target) << 8; | |
2611 | mb[2] = 1; | |
2612 | status = qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); | |
2613 | ||
2614 | /* Issue marker command. */ | |
2615 | qla1280_marker(ha, bus, target, 0, MK_SYNC_ID); | |
2616 | ||
2617 | if (status) | |
2618 | dprintk(2, "qla1280_device_reset: **** FAILED ****\n"); | |
2619 | ||
2620 | LEAVE("qla1280_device_reset"); | |
2621 | return status; | |
2622 | } | |
2623 | ||
1da177e4 LT |
2624 | /* |
2625 | * qla1280_abort_command | |
2626 | * Abort command aborts a specified IOCB. | |
2627 | * | |
2628 | * Input: | |
2629 | * ha = adapter block pointer. | |
2630 | * sp = SB structure pointer. | |
2631 | * | |
2632 | * Returns: | |
2633 | * 0 = success | |
2634 | */ | |
2635 | static int | |
2636 | qla1280_abort_command(struct scsi_qla_host *ha, struct srb * sp, int handle) | |
2637 | { | |
2638 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
2639 | unsigned int bus, target, lun; | |
2640 | int status; | |
2641 | ||
2642 | ENTER("qla1280_abort_command"); | |
2643 | ||
2644 | bus = SCSI_BUS_32(sp->cmd); | |
2645 | target = SCSI_TCN_32(sp->cmd); | |
2646 | lun = SCSI_LUN_32(sp->cmd); | |
2647 | ||
2648 | sp->flags |= SRB_ABORT_PENDING; | |
2649 | ||
2650 | mb[0] = MBC_ABORT_COMMAND; | |
2651 | mb[1] = (bus ? target | BIT_7 : target) << 8 | lun; | |
2652 | mb[2] = handle >> 16; | |
2653 | mb[3] = handle & 0xffff; | |
2654 | status = qla1280_mailbox_command(ha, 0x0f, &mb[0]); | |
2655 | ||
2656 | if (status) { | |
2657 | dprintk(2, "qla1280_abort_command: **** FAILED ****\n"); | |
2658 | sp->flags &= ~SRB_ABORT_PENDING; | |
2659 | } | |
2660 | ||
2661 | ||
2662 | LEAVE("qla1280_abort_command"); | |
2663 | return status; | |
2664 | } | |
2665 | ||
2666 | /* | |
2667 | * qla1280_reset_adapter | |
2668 | * Reset adapter. | |
2669 | * | |
2670 | * Input: | |
2671 | * ha = adapter block pointer. | |
2672 | */ | |
2673 | static void | |
2674 | qla1280_reset_adapter(struct scsi_qla_host *ha) | |
2675 | { | |
2676 | struct device_reg __iomem *reg = ha->iobase; | |
2677 | ||
2678 | ENTER("qla1280_reset_adapter"); | |
2679 | ||
2680 | /* Disable ISP chip */ | |
2681 | ha->flags.online = 0; | |
2682 | WRT_REG_WORD(®->ictrl, ISP_RESET); | |
2683 | WRT_REG_WORD(®->host_cmd, | |
2684 | HC_RESET_RISC | HC_RELEASE_RISC | HC_DISABLE_BIOS); | |
2685 | RD_REG_WORD(®->id_l); /* Flush PCI write */ | |
2686 | ||
2687 | LEAVE("qla1280_reset_adapter"); | |
2688 | } | |
2689 | ||
2690 | /* | |
2691 | * Issue marker command. | |
2692 | * Function issues marker IOCB. | |
2693 | * | |
2694 | * Input: | |
2695 | * ha = adapter block pointer. | |
2696 | * bus = SCSI BUS number | |
2697 | * id = SCSI ID | |
2698 | * lun = SCSI LUN | |
2699 | * type = marker modifier | |
2700 | */ | |
2701 | static void | |
2702 | qla1280_marker(struct scsi_qla_host *ha, int bus, int id, int lun, u8 type) | |
2703 | { | |
2704 | struct mrk_entry *pkt; | |
2705 | ||
2706 | ENTER("qla1280_marker"); | |
2707 | ||
2708 | /* Get request packet. */ | |
2709 | if ((pkt = (struct mrk_entry *) qla1280_req_pkt(ha))) { | |
2710 | pkt->entry_type = MARKER_TYPE; | |
2711 | pkt->lun = (uint8_t) lun; | |
2712 | pkt->target = (uint8_t) (bus ? (id | BIT_7) : id); | |
2713 | pkt->modifier = type; | |
2714 | pkt->entry_status = 0; | |
2715 | ||
2716 | /* Issue command to ISP */ | |
2717 | qla1280_isp_cmd(ha); | |
2718 | } | |
2719 | ||
2720 | LEAVE("qla1280_marker"); | |
2721 | } | |
2722 | ||
2723 | ||
2724 | /* | |
2725 | * qla1280_64bit_start_scsi | |
2726 | * The start SCSI is responsible for building request packets on | |
2727 | * request ring and modifying ISP input pointer. | |
2728 | * | |
2729 | * Input: | |
2730 | * ha = adapter block pointer. | |
2731 | * sp = SB structure pointer. | |
2732 | * | |
2733 | * Returns: | |
2734 | * 0 = success, was able to issue command. | |
2735 | */ | |
2736 | #ifdef QLA_64BIT_PTR | |
2737 | static int | |
2738 | qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp) | |
2739 | { | |
2740 | struct device_reg __iomem *reg = ha->iobase; | |
2741 | struct scsi_cmnd *cmd = sp->cmd; | |
2742 | cmd_a64_entry_t *pkt; | |
8d6810d3 | 2743 | __le32 *dword_ptr; |
1da177e4 LT |
2744 | dma_addr_t dma_handle; |
2745 | int status = 0; | |
2746 | int cnt; | |
2747 | int req_cnt; | |
5c1da582 | 2748 | int seg_cnt; |
1da177e4 LT |
2749 | u8 dir; |
2750 | ||
2751 | ENTER("qla1280_64bit_start_scsi:"); | |
2752 | ||
2753 | /* Calculate number of entries and segments required. */ | |
2754 | req_cnt = 1; | |
5c1da582 JS |
2755 | seg_cnt = scsi_dma_map(cmd); |
2756 | if (seg_cnt > 0) { | |
1da177e4 LT |
2757 | if (seg_cnt > 2) { |
2758 | req_cnt += (seg_cnt - 2) / 5; | |
2759 | if ((seg_cnt - 2) % 5) | |
2760 | req_cnt++; | |
2761 | } | |
5c1da582 JS |
2762 | } else if (seg_cnt < 0) { |
2763 | status = 1; | |
2764 | goto out; | |
1da177e4 LT |
2765 | } |
2766 | ||
2767 | if ((req_cnt + 2) >= ha->req_q_cnt) { | |
2768 | /* Calculate number of free request entries. */ | |
2769 | cnt = RD_REG_WORD(®->mailbox4); | |
2770 | if (ha->req_ring_index < cnt) | |
2771 | ha->req_q_cnt = cnt - ha->req_ring_index; | |
2772 | else | |
2773 | ha->req_q_cnt = | |
2774 | REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt); | |
2775 | } | |
2776 | ||
2b55cac3 CH |
2777 | dprintk(3, "Number of free entries=(%d) seg_cnt=0x%x\n", |
2778 | ha->req_q_cnt, seg_cnt); | |
2779 | ||
1da177e4 LT |
2780 | /* If room for request in request ring. */ |
2781 | if ((req_cnt + 2) >= ha->req_q_cnt) { | |
fd65e5e9 | 2782 | status = SCSI_MLQUEUE_HOST_BUSY; |
2b55cac3 | 2783 | dprintk(2, "qla1280_start_scsi: in-ptr=0x%x req_q_cnt=" |
1da177e4 LT |
2784 | "0x%xreq_cnt=0x%x", ha->req_ring_index, ha->req_q_cnt, |
2785 | req_cnt); | |
2786 | goto out; | |
2787 | } | |
2788 | ||
2789 | /* Check for room in outstanding command list. */ | |
2790 | for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS && | |
9bcf0910 | 2791 | ha->outstanding_cmds[cnt] != NULL; cnt++); |
1da177e4 LT |
2792 | |
2793 | if (cnt >= MAX_OUTSTANDING_COMMANDS) { | |
fd65e5e9 | 2794 | status = SCSI_MLQUEUE_HOST_BUSY; |
2b55cac3 | 2795 | dprintk(2, "qla1280_start_scsi: NO ROOM IN " |
1da177e4 LT |
2796 | "OUTSTANDING ARRAY, req_q_cnt=0x%x", ha->req_q_cnt); |
2797 | goto out; | |
2798 | } | |
2799 | ||
2800 | ha->outstanding_cmds[cnt] = sp; | |
2801 | ha->req_q_cnt -= req_cnt; | |
2802 | CMD_HANDLE(sp->cmd) = (unsigned char *)(unsigned long)(cnt + 1); | |
2803 | ||
2b55cac3 | 2804 | dprintk(2, "start: cmd=%p sp=%p CDB=%xm, handle %lx\n", cmd, sp, |
1da177e4 LT |
2805 | cmd->cmnd[0], (long)CMD_HANDLE(sp->cmd)); |
2806 | dprintk(2, " bus %i, target %i, lun %i\n", | |
2807 | SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); | |
2808 | qla1280_dump_buffer(2, cmd->cmnd, MAX_COMMAND_SIZE); | |
2809 | ||
2810 | /* | |
2811 | * Build command packet. | |
2812 | */ | |
2813 | pkt = (cmd_a64_entry_t *) ha->request_ring_ptr; | |
2814 | ||
2815 | pkt->entry_type = COMMAND_A64_TYPE; | |
2816 | pkt->entry_count = (uint8_t) req_cnt; | |
2817 | pkt->sys_define = (uint8_t) ha->req_ring_index; | |
2818 | pkt->entry_status = 0; | |
2819 | pkt->handle = cpu_to_le32(cnt); | |
2820 | ||
2821 | /* Zero out remaining portion of packet. */ | |
2822 | memset(((char *)pkt + 8), 0, (REQUEST_ENTRY_SIZE - 8)); | |
2823 | ||
2824 | /* Set ISP command timeout. */ | |
242f9dcb | 2825 | pkt->timeout = cpu_to_le16(cmd->request->timeout/HZ); |
1da177e4 LT |
2826 | |
2827 | /* Set device target ID and LUN */ | |
2828 | pkt->lun = SCSI_LUN_32(cmd); | |
2829 | pkt->target = SCSI_BUS_32(cmd) ? | |
2830 | (SCSI_TCN_32(cmd) | BIT_7) : SCSI_TCN_32(cmd); | |
2831 | ||
2832 | /* Enable simple tag queuing if device supports it. */ | |
2dbb04c6 | 2833 | if (cmd->device->simple_tags) |
1da177e4 LT |
2834 | pkt->control_flags |= cpu_to_le16(BIT_3); |
2835 | ||
2836 | /* Load SCSI command packet. */ | |
2837 | pkt->cdb_len = cpu_to_le16(CMD_CDBLEN(cmd)); | |
64a87b24 | 2838 | memcpy(pkt->scsi_cdb, CMD_CDBP(cmd), CMD_CDBLEN(cmd)); |
1da177e4 LT |
2839 | /* dprintk(1, "Build packet for command[0]=0x%x\n",pkt->scsi_cdb[0]); */ |
2840 | ||
2841 | /* Set transfer direction. */ | |
2842 | dir = qla1280_data_direction(cmd); | |
2843 | pkt->control_flags |= cpu_to_le16(dir); | |
2844 | ||
2845 | /* Set total data segment count. */ | |
2846 | pkt->dseg_count = cpu_to_le16(seg_cnt); | |
2847 | ||
2848 | /* | |
2849 | * Load data segments. | |
2850 | */ | |
2851 | if (seg_cnt) { /* If data transfer. */ | |
5c1da582 | 2852 | struct scatterlist *sg, *s; |
a0441891 | 2853 | int remseg = seg_cnt; |
5c1da582 JS |
2854 | |
2855 | sg = scsi_sglist(cmd); | |
2856 | ||
1da177e4 LT |
2857 | /* Setup packet address segment pointer. */ |
2858 | dword_ptr = (u32 *)&pkt->dseg_0_address; | |
2859 | ||
5c1da582 JS |
2860 | /* Load command entry data segments. */ |
2861 | for_each_sg(sg, s, seg_cnt, cnt) { | |
2862 | if (cnt == 2) | |
2863 | break; | |
2864 | ||
2865 | dma_handle = sg_dma_address(s); | |
5c1da582 | 2866 | *dword_ptr++ = |
f20f43c3 | 2867 | cpu_to_le32(lower_32_bits(dma_handle)); |
5c1da582 | 2868 | *dword_ptr++ = |
f20f43c3 | 2869 | cpu_to_le32(upper_32_bits(dma_handle)); |
5c1da582 JS |
2870 | *dword_ptr++ = cpu_to_le32(sg_dma_len(s)); |
2871 | dprintk(3, "S/G Segment phys_addr=%x %x, len=0x%x\n", | |
f20f43c3 CH |
2872 | cpu_to_le32(upper_32_bits(dma_handle)), |
2873 | cpu_to_le32(lower_32_bits(dma_handle)), | |
5c1da582 JS |
2874 | cpu_to_le32(sg_dma_len(sg_next(s)))); |
2875 | remseg--; | |
2876 | } | |
2877 | dprintk(5, "qla1280_64bit_start_scsi: Scatter/gather " | |
2878 | "command packet data - b %i, t %i, l %i \n", | |
2879 | SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), | |
2880 | SCSI_LUN_32(cmd)); | |
2881 | qla1280_dump_buffer(5, (char *)pkt, | |
2882 | REQUEST_ENTRY_SIZE); | |
2883 | ||
2884 | /* | |
2885 | * Build continuation packets. | |
2886 | */ | |
2887 | dprintk(3, "S/G Building Continuation...seg_cnt=0x%x " | |
2888 | "remains\n", seg_cnt); | |
2889 | ||
2890 | while (remseg > 0) { | |
2891 | /* Update sg start */ | |
2892 | sg = s; | |
2893 | /* Adjust ring index. */ | |
2894 | ha->req_ring_index++; | |
2895 | if (ha->req_ring_index == REQUEST_ENTRY_CNT) { | |
2896 | ha->req_ring_index = 0; | |
2897 | ha->request_ring_ptr = | |
2898 | ha->request_ring; | |
2899 | } else | |
2900 | ha->request_ring_ptr++; | |
2901 | ||
2902 | pkt = (cmd_a64_entry_t *)ha->request_ring_ptr; | |
2903 | ||
2904 | /* Zero out packet. */ | |
2905 | memset(pkt, 0, REQUEST_ENTRY_SIZE); | |
2906 | ||
2907 | /* Load packet defaults. */ | |
2908 | ((struct cont_a64_entry *) pkt)->entry_type = | |
2909 | CONTINUE_A64_TYPE; | |
2910 | ((struct cont_a64_entry *) pkt)->entry_count = 1; | |
2911 | ((struct cont_a64_entry *) pkt)->sys_define = | |
2912 | (uint8_t)ha->req_ring_index; | |
2913 | /* Setup packet address segment pointer. */ | |
2914 | dword_ptr = | |
2915 | (u32 *)&((struct cont_a64_entry *) pkt)->dseg_0_address; | |
2916 | ||
2917 | /* Load continuation entry data segments. */ | |
2918 | for_each_sg(sg, s, remseg, cnt) { | |
2919 | if (cnt == 5) | |
a0441891 JA |
2920 | break; |
2921 | dma_handle = sg_dma_address(s); | |
1da177e4 | 2922 | *dword_ptr++ = |
f20f43c3 | 2923 | cpu_to_le32(lower_32_bits(dma_handle)); |
1da177e4 | 2924 | *dword_ptr++ = |
f20f43c3 | 2925 | cpu_to_le32(upper_32_bits(dma_handle)); |
5c1da582 JS |
2926 | *dword_ptr++ = |
2927 | cpu_to_le32(sg_dma_len(s)); | |
2928 | dprintk(3, "S/G Segment Cont. phys_addr=%x %x, len=0x%x\n", | |
f20f43c3 CH |
2929 | cpu_to_le32(upper_32_bits(dma_handle)), |
2930 | cpu_to_le32(lower_32_bits(dma_handle)), | |
5c1da582 | 2931 | cpu_to_le32(sg_dma_len(s))); |
1da177e4 | 2932 | } |
5c1da582 JS |
2933 | remseg -= cnt; |
2934 | dprintk(5, "qla1280_64bit_start_scsi: " | |
2935 | "continuation packet data - b %i, t " | |
2936 | "%i, l %i \n", SCSI_BUS_32(cmd), | |
2937 | SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); | |
1da177e4 LT |
2938 | qla1280_dump_buffer(5, (char *)pkt, |
2939 | REQUEST_ENTRY_SIZE); | |
2940 | } | |
2941 | } else { /* No data transfer */ | |
2942 | dprintk(5, "qla1280_64bit_start_scsi: No data, command " | |
2943 | "packet data - b %i, t %i, l %i \n", | |
2944 | SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); | |
2945 | qla1280_dump_buffer(5, (char *)pkt, REQUEST_ENTRY_SIZE); | |
2946 | } | |
2947 | /* Adjust ring index. */ | |
2948 | ha->req_ring_index++; | |
2949 | if (ha->req_ring_index == REQUEST_ENTRY_CNT) { | |
2950 | ha->req_ring_index = 0; | |
2951 | ha->request_ring_ptr = ha->request_ring; | |
2952 | } else | |
2953 | ha->request_ring_ptr++; | |
2954 | ||
2955 | /* Set chip new ring index. */ | |
2956 | dprintk(2, | |
2957 | "qla1280_64bit_start_scsi: Wakeup RISC for pending command\n"); | |
2958 | sp->flags |= SRB_SENT; | |
2959 | ha->actthreads++; | |
2960 | WRT_REG_WORD(®->mailbox4, ha->req_ring_index); | |
1da177e4 LT |
2961 | |
2962 | out: | |
2963 | if (status) | |
2964 | dprintk(2, "qla1280_64bit_start_scsi: **** FAILED ****\n"); | |
2965 | else | |
2966 | dprintk(3, "qla1280_64bit_start_scsi: exiting normally\n"); | |
2967 | ||
2968 | return status; | |
2969 | } | |
2970 | #else /* !QLA_64BIT_PTR */ | |
2971 | ||
2972 | /* | |
2973 | * qla1280_32bit_start_scsi | |
2974 | * The start SCSI is responsible for building request packets on | |
2975 | * request ring and modifying ISP input pointer. | |
2976 | * | |
2977 | * The Qlogic firmware interface allows every queue slot to have a SCSI | |
2978 | * command and up to 4 scatter/gather (SG) entries. If we need more | |
2979 | * than 4 SG entries, then continuation entries are used that can | |
2980 | * hold another 7 entries each. The start routine determines if there | |
2981 | * is eought empty slots then build the combination of requests to | |
2982 | * fulfill the OS request. | |
2983 | * | |
2984 | * Input: | |
2985 | * ha = adapter block pointer. | |
2986 | * sp = SCSI Request Block structure pointer. | |
2987 | * | |
2988 | * Returns: | |
2989 | * 0 = success, was able to issue command. | |
2990 | */ | |
2991 | static int | |
2992 | qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp) | |
2993 | { | |
2994 | struct device_reg __iomem *reg = ha->iobase; | |
2995 | struct scsi_cmnd *cmd = sp->cmd; | |
2996 | struct cmd_entry *pkt; | |
8d6810d3 | 2997 | __le32 *dword_ptr; |
1da177e4 LT |
2998 | int status = 0; |
2999 | int cnt; | |
3000 | int req_cnt; | |
5c1da582 | 3001 | int seg_cnt; |
1da177e4 LT |
3002 | u8 dir; |
3003 | ||
3004 | ENTER("qla1280_32bit_start_scsi"); | |
3005 | ||
3006 | dprintk(1, "32bit_start: cmd=%p sp=%p CDB=%x\n", cmd, sp, | |
3007 | cmd->cmnd[0]); | |
3008 | ||
3009 | /* Calculate number of entries and segments required. */ | |
3a43e69c | 3010 | req_cnt = 1; |
5c1da582 JS |
3011 | seg_cnt = scsi_dma_map(cmd); |
3012 | if (seg_cnt) { | |
1da177e4 LT |
3013 | /* |
3014 | * if greater than four sg entries then we need to allocate | |
3015 | * continuation entries | |
3016 | */ | |
3017 | if (seg_cnt > 4) { | |
3018 | req_cnt += (seg_cnt - 4) / 7; | |
3019 | if ((seg_cnt - 4) % 7) | |
3020 | req_cnt++; | |
3021 | } | |
3022 | dprintk(3, "S/G Transfer cmd=%p seg_cnt=0x%x, req_cnt=%x\n", | |
3023 | cmd, seg_cnt, req_cnt); | |
5c1da582 JS |
3024 | } else if (seg_cnt < 0) { |
3025 | status = 1; | |
3026 | goto out; | |
1da177e4 LT |
3027 | } |
3028 | ||
3029 | if ((req_cnt + 2) >= ha->req_q_cnt) { | |
3030 | /* Calculate number of free request entries. */ | |
3031 | cnt = RD_REG_WORD(®->mailbox4); | |
3032 | if (ha->req_ring_index < cnt) | |
3033 | ha->req_q_cnt = cnt - ha->req_ring_index; | |
3034 | else | |
3035 | ha->req_q_cnt = | |
3036 | REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt); | |
3037 | } | |
3038 | ||
3039 | dprintk(3, "Number of free entries=(%d) seg_cnt=0x%x\n", | |
3040 | ha->req_q_cnt, seg_cnt); | |
3041 | /* If room for request in request ring. */ | |
3042 | if ((req_cnt + 2) >= ha->req_q_cnt) { | |
fd65e5e9 | 3043 | status = SCSI_MLQUEUE_HOST_BUSY; |
1da177e4 LT |
3044 | dprintk(2, "qla1280_32bit_start_scsi: in-ptr=0x%x, " |
3045 | "req_q_cnt=0x%x, req_cnt=0x%x", ha->req_ring_index, | |
3046 | ha->req_q_cnt, req_cnt); | |
3047 | goto out; | |
3048 | } | |
3049 | ||
3050 | /* Check for empty slot in outstanding command list. */ | |
3051 | for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS && | |
3052 | (ha->outstanding_cmds[cnt] != 0); cnt++) ; | |
3053 | ||
3054 | if (cnt >= MAX_OUTSTANDING_COMMANDS) { | |
fd65e5e9 | 3055 | status = SCSI_MLQUEUE_HOST_BUSY; |
1da177e4 LT |
3056 | dprintk(2, "qla1280_32bit_start_scsi: NO ROOM IN OUTSTANDING " |
3057 | "ARRAY, req_q_cnt=0x%x\n", ha->req_q_cnt); | |
3058 | goto out; | |
3059 | } | |
3060 | ||
3061 | CMD_HANDLE(sp->cmd) = (unsigned char *) (unsigned long)(cnt + 1); | |
3062 | ha->outstanding_cmds[cnt] = sp; | |
3063 | ha->req_q_cnt -= req_cnt; | |
3064 | ||
3065 | /* | |
3066 | * Build command packet. | |
3067 | */ | |
3068 | pkt = (struct cmd_entry *) ha->request_ring_ptr; | |
3069 | ||
3070 | pkt->entry_type = COMMAND_TYPE; | |
3071 | pkt->entry_count = (uint8_t) req_cnt; | |
3072 | pkt->sys_define = (uint8_t) ha->req_ring_index; | |
3073 | pkt->entry_status = 0; | |
3074 | pkt->handle = cpu_to_le32(cnt); | |
3075 | ||
3076 | /* Zero out remaining portion of packet. */ | |
3077 | memset(((char *)pkt + 8), 0, (REQUEST_ENTRY_SIZE - 8)); | |
3078 | ||
3079 | /* Set ISP command timeout. */ | |
242f9dcb | 3080 | pkt->timeout = cpu_to_le16(cmd->request->timeout/HZ); |
1da177e4 LT |
3081 | |
3082 | /* Set device target ID and LUN */ | |
3083 | pkt->lun = SCSI_LUN_32(cmd); | |
3084 | pkt->target = SCSI_BUS_32(cmd) ? | |
3085 | (SCSI_TCN_32(cmd) | BIT_7) : SCSI_TCN_32(cmd); | |
3086 | ||
3087 | /* Enable simple tag queuing if device supports it. */ | |
2dbb04c6 | 3088 | if (cmd->device->simple_tags) |
1da177e4 LT |
3089 | pkt->control_flags |= cpu_to_le16(BIT_3); |
3090 | ||
3091 | /* Load SCSI command packet. */ | |
3092 | pkt->cdb_len = cpu_to_le16(CMD_CDBLEN(cmd)); | |
64a87b24 | 3093 | memcpy(pkt->scsi_cdb, CMD_CDBP(cmd), CMD_CDBLEN(cmd)); |
1da177e4 LT |
3094 | |
3095 | /*dprintk(1, "Build packet for command[0]=0x%x\n",pkt->scsi_cdb[0]); */ | |
3096 | /* Set transfer direction. */ | |
3097 | dir = qla1280_data_direction(cmd); | |
3098 | pkt->control_flags |= cpu_to_le16(dir); | |
3099 | ||
3100 | /* Set total data segment count. */ | |
3101 | pkt->dseg_count = cpu_to_le16(seg_cnt); | |
3102 | ||
3103 | /* | |
3104 | * Load data segments. | |
3105 | */ | |
3106 | if (seg_cnt) { | |
5c1da582 | 3107 | struct scatterlist *sg, *s; |
a0441891 | 3108 | int remseg = seg_cnt; |
5c1da582 JS |
3109 | |
3110 | sg = scsi_sglist(cmd); | |
3111 | ||
1da177e4 LT |
3112 | /* Setup packet address segment pointer. */ |
3113 | dword_ptr = &pkt->dseg_0_address; | |
3114 | ||
5c1da582 JS |
3115 | dprintk(3, "Building S/G data segments..\n"); |
3116 | qla1280_dump_buffer(1, (char *)sg, 4 * 16); | |
3117 | ||
3118 | /* Load command entry data segments. */ | |
3119 | for_each_sg(sg, s, seg_cnt, cnt) { | |
3120 | if (cnt == 4) | |
3121 | break; | |
3122 | *dword_ptr++ = | |
f20f43c3 | 3123 | cpu_to_le32(lower_32_bits(sg_dma_address(s))); |
5c1da582 JS |
3124 | *dword_ptr++ = cpu_to_le32(sg_dma_len(s)); |
3125 | dprintk(3, "S/G Segment phys_addr=0x%lx, len=0x%x\n", | |
f20f43c3 | 3126 | (lower_32_bits(sg_dma_address(s))), |
5c1da582 JS |
3127 | (sg_dma_len(s))); |
3128 | remseg--; | |
3129 | } | |
3130 | /* | |
3131 | * Build continuation packets. | |
3132 | */ | |
3133 | dprintk(3, "S/G Building Continuation" | |
3134 | "...seg_cnt=0x%x remains\n", seg_cnt); | |
3135 | while (remseg > 0) { | |
3136 | /* Continue from end point */ | |
3137 | sg = s; | |
3138 | /* Adjust ring index. */ | |
3139 | ha->req_ring_index++; | |
3140 | if (ha->req_ring_index == REQUEST_ENTRY_CNT) { | |
3141 | ha->req_ring_index = 0; | |
3142 | ha->request_ring_ptr = | |
3143 | ha->request_ring; | |
3144 | } else | |
3145 | ha->request_ring_ptr++; | |
3146 | ||
3147 | pkt = (struct cmd_entry *)ha->request_ring_ptr; | |
3148 | ||
3149 | /* Zero out packet. */ | |
3150 | memset(pkt, 0, REQUEST_ENTRY_SIZE); | |
3151 | ||
3152 | /* Load packet defaults. */ | |
3153 | ((struct cont_entry *) pkt)-> | |
3154 | entry_type = CONTINUE_TYPE; | |
3155 | ((struct cont_entry *) pkt)->entry_count = 1; | |
3156 | ||
3157 | ((struct cont_entry *) pkt)->sys_define = | |
3158 | (uint8_t) ha->req_ring_index; | |
1da177e4 | 3159 | |
5c1da582 JS |
3160 | /* Setup packet address segment pointer. */ |
3161 | dword_ptr = | |
3162 | &((struct cont_entry *) pkt)->dseg_0_address; | |
3163 | ||
3164 | /* Load continuation entry data segments. */ | |
3165 | for_each_sg(sg, s, remseg, cnt) { | |
3166 | if (cnt == 7) | |
a0441891 | 3167 | break; |
1da177e4 | 3168 | *dword_ptr++ = |
f20f43c3 | 3169 | cpu_to_le32(lower_32_bits(sg_dma_address(s))); |
5c1da582 JS |
3170 | *dword_ptr++ = |
3171 | cpu_to_le32(sg_dma_len(s)); | |
3172 | dprintk(1, | |
3173 | "S/G Segment Cont. phys_addr=0x%x, " | |
3174 | "len=0x%x\n", | |
f20f43c3 | 3175 | cpu_to_le32(lower_32_bits(sg_dma_address(s))), |
5c1da582 | 3176 | cpu_to_le32(sg_dma_len(s))); |
1da177e4 | 3177 | } |
5c1da582 JS |
3178 | remseg -= cnt; |
3179 | dprintk(5, "qla1280_32bit_start_scsi: " | |
3180 | "continuation packet data - " | |
3181 | "scsi(%i:%i:%i)\n", SCSI_BUS_32(cmd), | |
3182 | SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); | |
3183 | qla1280_dump_buffer(5, (char *)pkt, | |
3184 | REQUEST_ENTRY_SIZE); | |
1da177e4 LT |
3185 | } |
3186 | } else { /* No data transfer at all */ | |
3187 | dprintk(5, "qla1280_32bit_start_scsi: No data, command " | |
3188 | "packet data - \n"); | |
3189 | qla1280_dump_buffer(5, (char *)pkt, REQUEST_ENTRY_SIZE); | |
3190 | } | |
3191 | dprintk(5, "qla1280_32bit_start_scsi: First IOCB block:\n"); | |
3192 | qla1280_dump_buffer(5, (char *)ha->request_ring_ptr, | |
3193 | REQUEST_ENTRY_SIZE); | |
3194 | ||
3195 | /* Adjust ring index. */ | |
3196 | ha->req_ring_index++; | |
3197 | if (ha->req_ring_index == REQUEST_ENTRY_CNT) { | |
3198 | ha->req_ring_index = 0; | |
3199 | ha->request_ring_ptr = ha->request_ring; | |
3200 | } else | |
3201 | ha->request_ring_ptr++; | |
3202 | ||
3203 | /* Set chip new ring index. */ | |
3204 | dprintk(2, "qla1280_32bit_start_scsi: Wakeup RISC " | |
3205 | "for pending command\n"); | |
3206 | sp->flags |= SRB_SENT; | |
3207 | ha->actthreads++; | |
3208 | WRT_REG_WORD(®->mailbox4, ha->req_ring_index); | |
1da177e4 LT |
3209 | |
3210 | out: | |
3211 | if (status) | |
3212 | dprintk(2, "qla1280_32bit_start_scsi: **** FAILED ****\n"); | |
3213 | ||
3214 | LEAVE("qla1280_32bit_start_scsi"); | |
3215 | ||
3216 | return status; | |
3217 | } | |
3218 | #endif | |
3219 | ||
3220 | /* | |
3221 | * qla1280_req_pkt | |
3222 | * Function is responsible for locking ring and | |
3223 | * getting a zeroed out request packet. | |
3224 | * | |
3225 | * Input: | |
3226 | * ha = adapter block pointer. | |
3227 | * | |
3228 | * Returns: | |
3229 | * 0 = failed to get slot. | |
3230 | */ | |
3231 | static request_t * | |
3232 | qla1280_req_pkt(struct scsi_qla_host *ha) | |
3233 | { | |
3234 | struct device_reg __iomem *reg = ha->iobase; | |
3235 | request_t *pkt = NULL; | |
3236 | int cnt; | |
3237 | uint32_t timer; | |
3238 | ||
3239 | ENTER("qla1280_req_pkt"); | |
3240 | ||
3241 | /* | |
3242 | * This can be called from interrupt context, damn it!!! | |
3243 | */ | |
3244 | /* Wait for 30 seconds for slot. */ | |
3245 | for (timer = 15000000; timer; timer--) { | |
3246 | if (ha->req_q_cnt > 0) { | |
3247 | /* Calculate number of free request entries. */ | |
3248 | cnt = RD_REG_WORD(®->mailbox4); | |
3249 | if (ha->req_ring_index < cnt) | |
3250 | ha->req_q_cnt = cnt - ha->req_ring_index; | |
3251 | else | |
3252 | ha->req_q_cnt = | |
3253 | REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt); | |
3254 | } | |
3255 | ||
3256 | /* Found empty request ring slot? */ | |
3257 | if (ha->req_q_cnt > 0) { | |
3258 | ha->req_q_cnt--; | |
3259 | pkt = ha->request_ring_ptr; | |
3260 | ||
3261 | /* Zero out packet. */ | |
3262 | memset(pkt, 0, REQUEST_ENTRY_SIZE); | |
3263 | ||
3264 | /* | |
3265 | * How can this be right when we have a ring | |
3266 | * size of 512??? | |
3267 | */ | |
3268 | /* Set system defined field. */ | |
3269 | pkt->sys_define = (uint8_t) ha->req_ring_index; | |
3270 | ||
3271 | /* Set entry count. */ | |
3272 | pkt->entry_count = 1; | |
3273 | ||
3274 | break; | |
3275 | } | |
3276 | ||
3277 | udelay(2); /* 10 */ | |
3278 | ||
3279 | /* Check for pending interrupts. */ | |
3280 | qla1280_poll(ha); | |
3281 | } | |
3282 | ||
3283 | if (!pkt) | |
3284 | dprintk(2, "qla1280_req_pkt: **** FAILED ****\n"); | |
3285 | else | |
3286 | dprintk(3, "qla1280_req_pkt: exiting normally\n"); | |
3287 | ||
3288 | return pkt; | |
3289 | } | |
3290 | ||
3291 | /* | |
3292 | * qla1280_isp_cmd | |
3293 | * Function is responsible for modifying ISP input pointer. | |
3294 | * Releases ring lock. | |
3295 | * | |
3296 | * Input: | |
3297 | * ha = adapter block pointer. | |
3298 | */ | |
3299 | static void | |
3300 | qla1280_isp_cmd(struct scsi_qla_host *ha) | |
3301 | { | |
3302 | struct device_reg __iomem *reg = ha->iobase; | |
3303 | ||
3304 | ENTER("qla1280_isp_cmd"); | |
3305 | ||
3306 | dprintk(5, "qla1280_isp_cmd: IOCB data:\n"); | |
3307 | qla1280_dump_buffer(5, (char *)ha->request_ring_ptr, | |
3308 | REQUEST_ENTRY_SIZE); | |
3309 | ||
3310 | /* Adjust ring index. */ | |
3311 | ha->req_ring_index++; | |
3312 | if (ha->req_ring_index == REQUEST_ENTRY_CNT) { | |
3313 | ha->req_ring_index = 0; | |
3314 | ha->request_ring_ptr = ha->request_ring; | |
3315 | } else | |
3316 | ha->request_ring_ptr++; | |
3317 | ||
3318 | /* | |
3319 | * Update request index to mailbox4 (Request Queue In). | |
1da177e4 LT |
3320 | */ |
3321 | WRT_REG_WORD(®->mailbox4, ha->req_ring_index); | |
1da177e4 LT |
3322 | |
3323 | LEAVE("qla1280_isp_cmd"); | |
3324 | } | |
3325 | ||
3326 | /****************************************************************************/ | |
3327 | /* Interrupt Service Routine. */ | |
3328 | /****************************************************************************/ | |
3329 | ||
3330 | /**************************************************************************** | |
3331 | * qla1280_isr | |
3332 | * Calls I/O done on command completion. | |
3333 | * | |
3334 | * Input: | |
3335 | * ha = adapter block pointer. | |
3336 | * done_q = done queue. | |
3337 | ****************************************************************************/ | |
3338 | static void | |
3339 | qla1280_isr(struct scsi_qla_host *ha, struct list_head *done_q) | |
3340 | { | |
3341 | struct device_reg __iomem *reg = ha->iobase; | |
3342 | struct response *pkt; | |
3343 | struct srb *sp = NULL; | |
3344 | uint16_t mailbox[MAILBOX_REGISTER_COUNT]; | |
3345 | uint16_t *wptr; | |
3346 | uint32_t index; | |
3347 | u16 istatus; | |
3348 | ||
3349 | ENTER("qla1280_isr"); | |
3350 | ||
3351 | istatus = RD_REG_WORD(®->istatus); | |
3352 | if (!(istatus & (RISC_INT | PCI_INT))) | |
3353 | return; | |
3354 | ||
3355 | /* Save mailbox register 5 */ | |
3356 | mailbox[5] = RD_REG_WORD(®->mailbox5); | |
3357 | ||
3358 | /* Check for mailbox interrupt. */ | |
3359 | ||
3360 | mailbox[0] = RD_REG_WORD_dmasync(®->semaphore); | |
3361 | ||
3362 | if (mailbox[0] & BIT_0) { | |
3363 | /* Get mailbox data. */ | |
3364 | /* dprintk(1, "qla1280_isr: In Get mailbox data \n"); */ | |
3365 | ||
3366 | wptr = &mailbox[0]; | |
3367 | *wptr++ = RD_REG_WORD(®->mailbox0); | |
3368 | *wptr++ = RD_REG_WORD(®->mailbox1); | |
3369 | *wptr = RD_REG_WORD(®->mailbox2); | |
3370 | if (mailbox[0] != MBA_SCSI_COMPLETION) { | |
3371 | wptr++; | |
3372 | *wptr++ = RD_REG_WORD(®->mailbox3); | |
3373 | *wptr++ = RD_REG_WORD(®->mailbox4); | |
3374 | wptr++; | |
3375 | *wptr++ = RD_REG_WORD(®->mailbox6); | |
3376 | *wptr = RD_REG_WORD(®->mailbox7); | |
3377 | } | |
3378 | ||
3379 | /* Release mailbox registers. */ | |
3380 | ||
3381 | WRT_REG_WORD(®->semaphore, 0); | |
3382 | WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT); | |
3383 | ||
3384 | dprintk(5, "qla1280_isr: mailbox interrupt mailbox[0] = 0x%x", | |
3385 | mailbox[0]); | |
3386 | ||
3387 | /* Handle asynchronous event */ | |
3388 | switch (mailbox[0]) { | |
3389 | case MBA_SCSI_COMPLETION: /* Response completion */ | |
3390 | dprintk(5, "qla1280_isr: mailbox SCSI response " | |
3391 | "completion\n"); | |
3392 | ||
3393 | if (ha->flags.online) { | |
3394 | /* Get outstanding command index. */ | |
3395 | index = mailbox[2] << 16 | mailbox[1]; | |
3396 | ||
3397 | /* Validate handle. */ | |
3398 | if (index < MAX_OUTSTANDING_COMMANDS) | |
3399 | sp = ha->outstanding_cmds[index]; | |
3400 | else | |
3401 | sp = NULL; | |
3402 | ||
3403 | if (sp) { | |
3404 | /* Free outstanding command slot. */ | |
3405 | ha->outstanding_cmds[index] = NULL; | |
3406 | ||
3407 | /* Save ISP completion status */ | |
3408 | CMD_RESULT(sp->cmd) = 0; | |
413e6e18 | 3409 | CMD_HANDLE(sp->cmd) = COMPLETED_HANDLE; |
1da177e4 LT |
3410 | |
3411 | /* Place block on done queue */ | |
3412 | list_add_tail(&sp->list, done_q); | |
3413 | } else { | |
3414 | /* | |
3415 | * If we get here we have a real problem! | |
3416 | */ | |
3417 | printk(KERN_WARNING | |
fd65e5e9 | 3418 | "qla1280: ISP invalid handle\n"); |
1da177e4 LT |
3419 | } |
3420 | } | |
3421 | break; | |
3422 | ||
3423 | case MBA_BUS_RESET: /* SCSI Bus Reset */ | |
3424 | ha->flags.reset_marker = 1; | |
3425 | index = mailbox[6] & BIT_0; | |
3426 | ha->bus_settings[index].reset_marker = 1; | |
3427 | ||
3428 | printk(KERN_DEBUG "qla1280_isr(): index %i " | |
3429 | "asynchronous BUS_RESET\n", index); | |
3430 | break; | |
3431 | ||
3432 | case MBA_SYSTEM_ERR: /* System Error */ | |
3433 | printk(KERN_WARNING | |
3434 | "qla1280: ISP System Error - mbx1=%xh, mbx2=" | |
3435 | "%xh, mbx3=%xh\n", mailbox[1], mailbox[2], | |
3436 | mailbox[3]); | |
3437 | break; | |
3438 | ||
3439 | case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ | |
3440 | printk(KERN_WARNING | |
3441 | "qla1280: ISP Request Transfer Error\n"); | |
3442 | break; | |
3443 | ||
3444 | case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ | |
3445 | printk(KERN_WARNING | |
3446 | "qla1280: ISP Response Transfer Error\n"); | |
3447 | break; | |
3448 | ||
3449 | case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ | |
3450 | dprintk(2, "qla1280_isr: asynchronous WAKEUP_THRES\n"); | |
3451 | break; | |
3452 | ||
3453 | case MBA_TIMEOUT_RESET: /* Execution Timeout Reset */ | |
3454 | dprintk(2, | |
3455 | "qla1280_isr: asynchronous TIMEOUT_RESET\n"); | |
3456 | break; | |
3457 | ||
3458 | case MBA_DEVICE_RESET: /* Bus Device Reset */ | |
3459 | printk(KERN_INFO "qla1280_isr(): asynchronous " | |
3460 | "BUS_DEVICE_RESET\n"); | |
3461 | ||
3462 | ha->flags.reset_marker = 1; | |
3463 | index = mailbox[6] & BIT_0; | |
3464 | ha->bus_settings[index].reset_marker = 1; | |
3465 | break; | |
3466 | ||
3467 | case MBA_BUS_MODE_CHANGE: | |
3468 | dprintk(2, | |
3469 | "qla1280_isr: asynchronous BUS_MODE_CHANGE\n"); | |
3470 | break; | |
3471 | ||
3472 | default: | |
3473 | /* dprintk(1, "qla1280_isr: default case of switch MB \n"); */ | |
3474 | if (mailbox[0] < MBA_ASYNC_EVENT) { | |
3475 | wptr = &mailbox[0]; | |
3476 | memcpy((uint16_t *) ha->mailbox_out, wptr, | |
3477 | MAILBOX_REGISTER_COUNT * | |
3478 | sizeof(uint16_t)); | |
3479 | ||
3480 | if(ha->mailbox_wait != NULL) | |
3481 | complete(ha->mailbox_wait); | |
3482 | } | |
3483 | break; | |
3484 | } | |
3485 | } else { | |
3486 | WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT); | |
3487 | } | |
3488 | ||
3489 | /* | |
3490 | * We will receive interrupts during mailbox testing prior to | |
3491 | * the card being marked online, hence the double check. | |
3492 | */ | |
3493 | if (!(ha->flags.online && !ha->mailbox_wait)) { | |
3494 | dprintk(2, "qla1280_isr: Response pointer Error\n"); | |
3495 | goto out; | |
3496 | } | |
3497 | ||
3498 | if (mailbox[5] >= RESPONSE_ENTRY_CNT) | |
3499 | goto out; | |
3500 | ||
3501 | while (ha->rsp_ring_index != mailbox[5]) { | |
3502 | pkt = ha->response_ring_ptr; | |
3503 | ||
3504 | dprintk(5, "qla1280_isr: ha->rsp_ring_index = 0x%x, mailbox[5]" | |
3505 | " = 0x%x\n", ha->rsp_ring_index, mailbox[5]); | |
3506 | dprintk(5,"qla1280_isr: response packet data\n"); | |
3507 | qla1280_dump_buffer(5, (char *)pkt, RESPONSE_ENTRY_SIZE); | |
3508 | ||
3509 | if (pkt->entry_type == STATUS_TYPE) { | |
3510 | if ((le16_to_cpu(pkt->scsi_status) & 0xff) | |
3511 | || pkt->comp_status || pkt->entry_status) { | |
3512 | dprintk(2, "qla1280_isr: ha->rsp_ring_index = " | |
3513 | "0x%x mailbox[5] = 0x%x, comp_status " | |
3514 | "= 0x%x, scsi_status = 0x%x\n", | |
3515 | ha->rsp_ring_index, mailbox[5], | |
3516 | le16_to_cpu(pkt->comp_status), | |
3517 | le16_to_cpu(pkt->scsi_status)); | |
3518 | } | |
3519 | } else { | |
3520 | dprintk(2, "qla1280_isr: ha->rsp_ring_index = " | |
3521 | "0x%x, mailbox[5] = 0x%x\n", | |
3522 | ha->rsp_ring_index, mailbox[5]); | |
3523 | dprintk(2, "qla1280_isr: response packet data\n"); | |
3524 | qla1280_dump_buffer(2, (char *)pkt, | |
3525 | RESPONSE_ENTRY_SIZE); | |
3526 | } | |
3527 | ||
3528 | if (pkt->entry_type == STATUS_TYPE || pkt->entry_status) { | |
3529 | dprintk(2, "status: Cmd %p, handle %i\n", | |
3530 | ha->outstanding_cmds[pkt->handle]->cmd, | |
3531 | pkt->handle); | |
3532 | if (pkt->entry_type == STATUS_TYPE) | |
3533 | qla1280_status_entry(ha, pkt, done_q); | |
3534 | else | |
3535 | qla1280_error_entry(ha, pkt, done_q); | |
3536 | /* Adjust ring index. */ | |
3537 | ha->rsp_ring_index++; | |
3538 | if (ha->rsp_ring_index == RESPONSE_ENTRY_CNT) { | |
3539 | ha->rsp_ring_index = 0; | |
3540 | ha->response_ring_ptr = ha->response_ring; | |
3541 | } else | |
3542 | ha->response_ring_ptr++; | |
3543 | WRT_REG_WORD(®->mailbox5, ha->rsp_ring_index); | |
3544 | } | |
3545 | } | |
3546 | ||
3547 | out: | |
3548 | LEAVE("qla1280_isr"); | |
3549 | } | |
3550 | ||
3551 | /* | |
3552 | * qla1280_rst_aen | |
3553 | * Processes asynchronous reset. | |
3554 | * | |
3555 | * Input: | |
3556 | * ha = adapter block pointer. | |
3557 | */ | |
3558 | static void | |
3559 | qla1280_rst_aen(struct scsi_qla_host *ha) | |
3560 | { | |
3561 | uint8_t bus; | |
3562 | ||
3563 | ENTER("qla1280_rst_aen"); | |
3564 | ||
3565 | if (ha->flags.online && !ha->flags.reset_active && | |
3566 | !ha->flags.abort_isp_active) { | |
3567 | ha->flags.reset_active = 1; | |
3568 | while (ha->flags.reset_marker) { | |
3569 | /* Issue marker command. */ | |
3570 | ha->flags.reset_marker = 0; | |
3571 | for (bus = 0; bus < ha->ports && | |
3572 | !ha->flags.reset_marker; bus++) { | |
3573 | if (ha->bus_settings[bus].reset_marker) { | |
3574 | ha->bus_settings[bus].reset_marker = 0; | |
3575 | qla1280_marker(ha, bus, 0, 0, | |
3576 | MK_SYNC_ALL); | |
3577 | } | |
3578 | } | |
3579 | } | |
3580 | } | |
3581 | ||
3582 | LEAVE("qla1280_rst_aen"); | |
3583 | } | |
3584 | ||
3585 | ||
1da177e4 LT |
3586 | /* |
3587 | * qla1280_status_entry | |
3588 | * Processes received ISP status entry. | |
3589 | * | |
3590 | * Input: | |
3591 | * ha = adapter block pointer. | |
3592 | * pkt = entry pointer. | |
3593 | * done_q = done queue. | |
3594 | */ | |
3595 | static void | |
3596 | qla1280_status_entry(struct scsi_qla_host *ha, struct response *pkt, | |
3597 | struct list_head *done_q) | |
3598 | { | |
3599 | unsigned int bus, target, lun; | |
3600 | int sense_sz; | |
3601 | struct srb *sp; | |
3602 | struct scsi_cmnd *cmd; | |
3603 | uint32_t handle = le32_to_cpu(pkt->handle); | |
3604 | uint16_t scsi_status = le16_to_cpu(pkt->scsi_status); | |
3605 | uint16_t comp_status = le16_to_cpu(pkt->comp_status); | |
3606 | ||
3607 | ENTER("qla1280_status_entry"); | |
3608 | ||
3609 | /* Validate handle. */ | |
3610 | if (handle < MAX_OUTSTANDING_COMMANDS) | |
3611 | sp = ha->outstanding_cmds[handle]; | |
3612 | else | |
3613 | sp = NULL; | |
3614 | ||
3615 | if (!sp) { | |
3616 | printk(KERN_WARNING "qla1280: Status Entry invalid handle\n"); | |
3617 | goto out; | |
3618 | } | |
3619 | ||
3620 | /* Free outstanding command slot. */ | |
3621 | ha->outstanding_cmds[handle] = NULL; | |
3622 | ||
3623 | cmd = sp->cmd; | |
3624 | ||
3625 | /* Generate LU queue on cntrl, target, LUN */ | |
3626 | bus = SCSI_BUS_32(cmd); | |
3627 | target = SCSI_TCN_32(cmd); | |
3628 | lun = SCSI_LUN_32(cmd); | |
3629 | ||
3630 | if (comp_status || scsi_status) { | |
3631 | dprintk(3, "scsi: comp_status = 0x%x, scsi_status = " | |
3632 | "0x%x, handle = 0x%x\n", comp_status, | |
3633 | scsi_status, handle); | |
3634 | } | |
3635 | ||
7d0e11fb JH |
3636 | /* Target busy or queue full */ |
3637 | if ((scsi_status & 0xFF) == SAM_STAT_TASK_SET_FULL || | |
3638 | (scsi_status & 0xFF) == SAM_STAT_BUSY) { | |
3639 | CMD_RESULT(cmd) = scsi_status & 0xff; | |
1da177e4 LT |
3640 | } else { |
3641 | ||
3642 | /* Save ISP completion status */ | |
3643 | CMD_RESULT(cmd) = qla1280_return_status(pkt, cmd); | |
3644 | ||
d6db3e8d | 3645 | if (scsi_status & SAM_STAT_CHECK_CONDITION) { |
1da177e4 LT |
3646 | if (comp_status != CS_ARS_FAILED) { |
3647 | uint16_t req_sense_length = | |
3648 | le16_to_cpu(pkt->req_sense_length); | |
3649 | if (req_sense_length < CMD_SNSLEN(cmd)) | |
3650 | sense_sz = req_sense_length; | |
3651 | else | |
3652 | /* | |
3653 | * scsi_cmnd->sense_buffer is | |
3654 | * 64 bytes, why only copy 63? | |
3655 | * This looks wrong! /Jes | |
3656 | */ | |
3657 | sense_sz = CMD_SNSLEN(cmd) - 1; | |
3658 | ||
3659 | memcpy(cmd->sense_buffer, | |
3660 | &pkt->req_sense_data, sense_sz); | |
3661 | } else | |
3662 | sense_sz = 0; | |
3663 | memset(cmd->sense_buffer + sense_sz, 0, | |
b80ca4f7 | 3664 | SCSI_SENSE_BUFFERSIZE - sense_sz); |
1da177e4 LT |
3665 | |
3666 | dprintk(2, "qla1280_status_entry: Check " | |
3667 | "condition Sense data, b %i, t %i, " | |
3668 | "l %i\n", bus, target, lun); | |
3669 | if (sense_sz) | |
3670 | qla1280_dump_buffer(2, | |
3671 | (char *)cmd->sense_buffer, | |
3672 | sense_sz); | |
3673 | } | |
3674 | } | |
3675 | ||
413e6e18 MR |
3676 | CMD_HANDLE(sp->cmd) = COMPLETED_HANDLE; |
3677 | ||
1da177e4 LT |
3678 | /* Place command on done queue. */ |
3679 | list_add_tail(&sp->list, done_q); | |
3680 | out: | |
3681 | LEAVE("qla1280_status_entry"); | |
3682 | } | |
3683 | ||
3684 | /* | |
3685 | * qla1280_error_entry | |
3686 | * Processes error entry. | |
3687 | * | |
3688 | * Input: | |
3689 | * ha = adapter block pointer. | |
3690 | * pkt = entry pointer. | |
3691 | * done_q = done queue. | |
3692 | */ | |
3693 | static void | |
3694 | qla1280_error_entry(struct scsi_qla_host *ha, struct response *pkt, | |
3695 | struct list_head *done_q) | |
3696 | { | |
3697 | struct srb *sp; | |
3698 | uint32_t handle = le32_to_cpu(pkt->handle); | |
3699 | ||
3700 | ENTER("qla1280_error_entry"); | |
3701 | ||
3702 | if (pkt->entry_status & BIT_3) | |
3703 | dprintk(2, "qla1280_error_entry: BAD PAYLOAD flag error\n"); | |
3704 | else if (pkt->entry_status & BIT_2) | |
3705 | dprintk(2, "qla1280_error_entry: BAD HEADER flag error\n"); | |
3706 | else if (pkt->entry_status & BIT_1) | |
3707 | dprintk(2, "qla1280_error_entry: FULL flag error\n"); | |
3708 | else | |
3709 | dprintk(2, "qla1280_error_entry: UNKNOWN flag error\n"); | |
3710 | ||
3711 | /* Validate handle. */ | |
3712 | if (handle < MAX_OUTSTANDING_COMMANDS) | |
3713 | sp = ha->outstanding_cmds[handle]; | |
3714 | else | |
3715 | sp = NULL; | |
3716 | ||
3717 | if (sp) { | |
3718 | /* Free outstanding command slot. */ | |
3719 | ha->outstanding_cmds[handle] = NULL; | |
3720 | ||
3721 | /* Bad payload or header */ | |
3722 | if (pkt->entry_status & (BIT_3 + BIT_2)) { | |
3723 | /* Bad payload or header, set error status. */ | |
3724 | /* CMD_RESULT(sp->cmd) = CS_BAD_PAYLOAD; */ | |
3725 | CMD_RESULT(sp->cmd) = DID_ERROR << 16; | |
3726 | } else if (pkt->entry_status & BIT_1) { /* FULL flag */ | |
3727 | CMD_RESULT(sp->cmd) = DID_BUS_BUSY << 16; | |
3728 | } else { | |
3729 | /* Set error status. */ | |
3730 | CMD_RESULT(sp->cmd) = DID_ERROR << 16; | |
3731 | } | |
3732 | ||
413e6e18 MR |
3733 | CMD_HANDLE(sp->cmd) = COMPLETED_HANDLE; |
3734 | ||
1da177e4 LT |
3735 | /* Place command on done queue. */ |
3736 | list_add_tail(&sp->list, done_q); | |
3737 | } | |
3738 | #ifdef QLA_64BIT_PTR | |
3739 | else if (pkt->entry_type == COMMAND_A64_TYPE) { | |
3740 | printk(KERN_WARNING "!qla1280: Error Entry invalid handle"); | |
3741 | } | |
3742 | #endif | |
3743 | ||
3744 | LEAVE("qla1280_error_entry"); | |
3745 | } | |
3746 | ||
3747 | /* | |
3748 | * qla1280_abort_isp | |
3749 | * Resets ISP and aborts all outstanding commands. | |
3750 | * | |
3751 | * Input: | |
3752 | * ha = adapter block pointer. | |
3753 | * | |
3754 | * Returns: | |
3755 | * 0 = success | |
3756 | */ | |
3757 | static int | |
3758 | qla1280_abort_isp(struct scsi_qla_host *ha) | |
3759 | { | |
3760 | struct device_reg __iomem *reg = ha->iobase; | |
3761 | struct srb *sp; | |
3762 | int status = 0; | |
3763 | int cnt; | |
3764 | int bus; | |
3765 | ||
3766 | ENTER("qla1280_abort_isp"); | |
3767 | ||
3768 | if (ha->flags.abort_isp_active || !ha->flags.online) | |
3769 | goto out; | |
3770 | ||
3771 | ha->flags.abort_isp_active = 1; | |
3772 | ||
3773 | /* Disable ISP interrupts. */ | |
3774 | qla1280_disable_intrs(ha); | |
3775 | WRT_REG_WORD(®->host_cmd, HC_PAUSE_RISC); | |
3776 | RD_REG_WORD(®->id_l); | |
3777 | ||
3778 | printk(KERN_INFO "scsi(%li): dequeuing outstanding commands\n", | |
3779 | ha->host_no); | |
3780 | /* Dequeue all commands in outstanding command list. */ | |
3781 | for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { | |
3782 | struct scsi_cmnd *cmd; | |
3783 | sp = ha->outstanding_cmds[cnt]; | |
3784 | if (sp) { | |
1da177e4 LT |
3785 | cmd = sp->cmd; |
3786 | CMD_RESULT(cmd) = DID_RESET << 16; | |
413e6e18 | 3787 | CMD_HANDLE(cmd) = COMPLETED_HANDLE; |
1da177e4 | 3788 | ha->outstanding_cmds[cnt] = NULL; |
413e6e18 | 3789 | list_add_tail(&sp->list, &ha->done_q); |
1da177e4 LT |
3790 | } |
3791 | } | |
3792 | ||
413e6e18 MR |
3793 | qla1280_done(ha); |
3794 | ||
1da177e4 LT |
3795 | status = qla1280_load_firmware(ha); |
3796 | if (status) | |
3797 | goto out; | |
3798 | ||
3799 | /* Setup adapter based on NVRAM parameters. */ | |
3800 | qla1280_nvram_config (ha); | |
3801 | ||
3802 | status = qla1280_init_rings(ha); | |
3803 | if (status) | |
3804 | goto out; | |
3805 | ||
3806 | /* Issue SCSI reset. */ | |
3807 | for (bus = 0; bus < ha->ports; bus++) | |
3808 | qla1280_bus_reset(ha, bus); | |
3809 | ||
3810 | ha->flags.abort_isp_active = 0; | |
3811 | out: | |
3812 | if (status) { | |
3813 | printk(KERN_WARNING | |
3814 | "qla1280: ISP error recovery failed, board disabled"); | |
3815 | qla1280_reset_adapter(ha); | |
3816 | dprintk(2, "qla1280_abort_isp: **** FAILED ****\n"); | |
3817 | } | |
3818 | ||
3819 | LEAVE("qla1280_abort_isp"); | |
3820 | return status; | |
3821 | } | |
3822 | ||
3823 | ||
3824 | /* | |
3825 | * qla1280_debounce_register | |
3826 | * Debounce register. | |
3827 | * | |
3828 | * Input: | |
3829 | * port = register address. | |
3830 | * | |
3831 | * Returns: | |
3832 | * register value. | |
3833 | */ | |
3834 | static u16 | |
3835 | qla1280_debounce_register(volatile u16 __iomem * addr) | |
3836 | { | |
3837 | volatile u16 ret; | |
3838 | volatile u16 ret2; | |
3839 | ||
3840 | ret = RD_REG_WORD(addr); | |
3841 | ret2 = RD_REG_WORD(addr); | |
3842 | ||
3843 | if (ret == ret2) | |
3844 | return ret; | |
3845 | ||
3846 | do { | |
3847 | cpu_relax(); | |
3848 | ret = RD_REG_WORD(addr); | |
3849 | ret2 = RD_REG_WORD(addr); | |
3850 | } while (ret != ret2); | |
3851 | ||
3852 | return ret; | |
3853 | } | |
3854 | ||
3855 | ||
3856 | /************************************************************************ | |
3857 | * qla1280_check_for_dead_scsi_bus * | |
3858 | * * | |
3859 | * This routine checks for a dead SCSI bus * | |
3860 | ************************************************************************/ | |
3861 | #define SET_SXP_BANK 0x0100 | |
3862 | #define SCSI_PHASE_INVALID 0x87FF | |
3863 | static int | |
3864 | qla1280_check_for_dead_scsi_bus(struct scsi_qla_host *ha, unsigned int bus) | |
3865 | { | |
3866 | uint16_t config_reg, scsi_control; | |
3867 | struct device_reg __iomem *reg = ha->iobase; | |
3868 | ||
3869 | if (ha->bus_settings[bus].scsi_bus_dead) { | |
3870 | WRT_REG_WORD(®->host_cmd, HC_PAUSE_RISC); | |
3871 | config_reg = RD_REG_WORD(®->cfg_1); | |
3872 | WRT_REG_WORD(®->cfg_1, SET_SXP_BANK); | |
3873 | scsi_control = RD_REG_WORD(®->scsiControlPins); | |
3874 | WRT_REG_WORD(®->cfg_1, config_reg); | |
3875 | WRT_REG_WORD(®->host_cmd, HC_RELEASE_RISC); | |
3876 | ||
3877 | if (scsi_control == SCSI_PHASE_INVALID) { | |
3878 | ha->bus_settings[bus].scsi_bus_dead = 1; | |
1da177e4 LT |
3879 | return 1; /* bus is dead */ |
3880 | } else { | |
3881 | ha->bus_settings[bus].scsi_bus_dead = 0; | |
3882 | ha->bus_settings[bus].failed_reset_count = 0; | |
3883 | } | |
3884 | } | |
3885 | return 0; /* bus is not dead */ | |
3886 | } | |
3887 | ||
3888 | static void | |
3889 | qla1280_get_target_parameters(struct scsi_qla_host *ha, | |
3890 | struct scsi_device *device) | |
3891 | { | |
3892 | uint16_t mb[MAILBOX_REGISTER_COUNT]; | |
3893 | int bus, target, lun; | |
3894 | ||
3895 | bus = device->channel; | |
3896 | target = device->id; | |
3897 | lun = device->lun; | |
3898 | ||
3899 | ||
3900 | mb[0] = MBC_GET_TARGET_PARAMETERS; | |
3901 | mb[1] = (uint16_t) (bus ? target | BIT_7 : target); | |
3902 | mb[1] <<= 8; | |
3903 | qla1280_mailbox_command(ha, BIT_6 | BIT_3 | BIT_2 | BIT_1 | BIT_0, | |
3904 | &mb[0]); | |
3905 | ||
3906 | printk(KERN_INFO "scsi(%li:%d:%d:%d):", ha->host_no, bus, target, lun); | |
3907 | ||
3908 | if (mb[3] != 0) { | |
3909 | printk(" Sync: period %d, offset %d", | |
3910 | (mb[3] & 0xff), (mb[3] >> 8)); | |
3911 | if (mb[2] & BIT_13) | |
3912 | printk(", Wide"); | |
3913 | if ((mb[2] & BIT_5) && ((mb[6] >> 8) & 0xff) >= 2) | |
3914 | printk(", DT"); | |
3915 | } else | |
3916 | printk(" Async"); | |
3917 | ||
2dbb04c6 | 3918 | if (device->simple_tags) |
1da177e4 LT |
3919 | printk(", Tagged queuing: depth %d", device->queue_depth); |
3920 | printk("\n"); | |
3921 | } | |
3922 | ||
3923 | ||
3924 | #if DEBUG_QLA1280 | |
3925 | static void | |
3926 | __qla1280_dump_buffer(char *b, int size) | |
3927 | { | |
3928 | int cnt; | |
3929 | u8 c; | |
3930 | ||
3931 | printk(KERN_DEBUG " 0 1 2 3 4 5 6 7 8 9 Ah " | |
3932 | "Bh Ch Dh Eh Fh\n"); | |
3933 | printk(KERN_DEBUG "---------------------------------------------" | |
3934 | "------------------\n"); | |
3935 | ||
3936 | for (cnt = 0; cnt < size;) { | |
3937 | c = *b++; | |
3938 | ||
3939 | printk("0x%02x", c); | |
3940 | cnt++; | |
3941 | if (!(cnt % 16)) | |
3942 | printk("\n"); | |
3943 | else | |
3944 | printk(" "); | |
3945 | } | |
3946 | if (cnt % 16) | |
3947 | printk("\n"); | |
3948 | } | |
3949 | ||
3950 | /************************************************************************** | |
3951 | * ql1280_print_scsi_cmd | |
3952 | * | |
3953 | **************************************************************************/ | |
3954 | static void | |
3955 | __qla1280_print_scsi_cmd(struct scsi_cmnd *cmd) | |
3956 | { | |
3957 | struct scsi_qla_host *ha; | |
3958 | struct Scsi_Host *host = CMD_HOST(cmd); | |
3959 | struct srb *sp; | |
3960 | /* struct scatterlist *sg; */ | |
3961 | ||
3962 | int i; | |
3963 | ha = (struct scsi_qla_host *)host->hostdata; | |
3964 | ||
3965 | sp = (struct srb *)CMD_SP(cmd); | |
3966 | printk("SCSI Command @= 0x%p, Handle=0x%p\n", cmd, CMD_HANDLE(cmd)); | |
3967 | printk(" chan=%d, target = 0x%02x, lun = 0x%02x, cmd_len = 0x%02x\n", | |
3968 | SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd), | |
3969 | CMD_CDBLEN(cmd)); | |
3970 | printk(" CDB = "); | |
3971 | for (i = 0; i < cmd->cmd_len; i++) { | |
3972 | printk("0x%02x ", cmd->cmnd[i]); | |
3973 | } | |
5c1da582 | 3974 | printk(" seg_cnt =%d\n", scsi_sg_count(cmd)); |
1da177e4 | 3975 | printk(" request buffer=0x%p, request buffer len=0x%x\n", |
5c1da582 | 3976 | scsi_sglist(cmd), scsi_bufflen(cmd)); |
1da177e4 LT |
3977 | /* if (cmd->use_sg) |
3978 | { | |
3979 | sg = (struct scatterlist *) cmd->request_buffer; | |
3980 | printk(" SG buffer: \n"); | |
3981 | qla1280_dump_buffer(1, (char *)sg, (cmd->use_sg*sizeof(struct scatterlist))); | |
3982 | } */ | |
3983 | printk(" tag=%d, transfersize=0x%x \n", | |
3984 | cmd->tag, cmd->transfersize); | |
5cd049a5 | 3985 | printk(" SP=0x%p\n", CMD_SP(cmd)); |
1da177e4 LT |
3986 | printk(" underflow size = 0x%x, direction=0x%x\n", |
3987 | cmd->underflow, cmd->sc_data_direction); | |
3988 | } | |
3989 | ||
3990 | /************************************************************************** | |
3991 | * ql1280_dump_device | |
3992 | * | |
3993 | **************************************************************************/ | |
3994 | static void | |
3995 | ql1280_dump_device(struct scsi_qla_host *ha) | |
3996 | { | |
3997 | ||
3998 | struct scsi_cmnd *cp; | |
3999 | struct srb *sp; | |
4000 | int i; | |
4001 | ||
4002 | printk(KERN_DEBUG "Outstanding Commands on controller:\n"); | |
4003 | ||
4004 | for (i = 0; i < MAX_OUTSTANDING_COMMANDS; i++) { | |
4005 | if ((sp = ha->outstanding_cmds[i]) == NULL) | |
4006 | continue; | |
4007 | if ((cp = sp->cmd) == NULL) | |
4008 | continue; | |
4009 | qla1280_print_scsi_cmd(1, cp); | |
4010 | } | |
4011 | } | |
4012 | #endif | |
4013 | ||
4014 | ||
4015 | enum tokens { | |
4016 | TOKEN_NVRAM, | |
4017 | TOKEN_SYNC, | |
4018 | TOKEN_WIDE, | |
4019 | TOKEN_PPR, | |
4020 | TOKEN_VERBOSE, | |
4021 | TOKEN_DEBUG, | |
4022 | }; | |
4023 | ||
4024 | struct setup_tokens { | |
4025 | char *token; | |
4026 | int val; | |
4027 | }; | |
4028 | ||
4029 | static struct setup_tokens setup_token[] __initdata = | |
4030 | { | |
4031 | { "nvram", TOKEN_NVRAM }, | |
4032 | { "sync", TOKEN_SYNC }, | |
4033 | { "wide", TOKEN_WIDE }, | |
4034 | { "ppr", TOKEN_PPR }, | |
4035 | { "verbose", TOKEN_VERBOSE }, | |
4036 | { "debug", TOKEN_DEBUG }, | |
4037 | }; | |
4038 | ||
4039 | ||
4040 | /************************************************************************** | |
4041 | * qla1280_setup | |
4042 | * | |
4043 | * Handle boot parameters. This really needs to be changed so one | |
4044 | * can specify per adapter parameters. | |
4045 | **************************************************************************/ | |
4046 | static int __init | |
4047 | qla1280_setup(char *s) | |
4048 | { | |
4049 | char *cp, *ptr; | |
4050 | unsigned long val; | |
4051 | int toke; | |
4052 | ||
4053 | cp = s; | |
4054 | ||
4055 | while (cp && (ptr = strchr(cp, ':'))) { | |
4056 | ptr++; | |
4057 | if (!strcmp(ptr, "yes")) { | |
4058 | val = 0x10000; | |
4059 | ptr += 3; | |
4060 | } else if (!strcmp(ptr, "no")) { | |
4061 | val = 0; | |
4062 | ptr += 2; | |
4063 | } else | |
4064 | val = simple_strtoul(ptr, &ptr, 0); | |
4065 | ||
4066 | switch ((toke = qla1280_get_token(cp))) { | |
4067 | case TOKEN_NVRAM: | |
4068 | if (!val) | |
4069 | driver_setup.no_nvram = 1; | |
4070 | break; | |
4071 | case TOKEN_SYNC: | |
4072 | if (!val) | |
4073 | driver_setup.no_sync = 1; | |
4074 | else if (val != 0x10000) | |
4075 | driver_setup.sync_mask = val; | |
4076 | break; | |
4077 | case TOKEN_WIDE: | |
4078 | if (!val) | |
4079 | driver_setup.no_wide = 1; | |
4080 | else if (val != 0x10000) | |
4081 | driver_setup.wide_mask = val; | |
4082 | break; | |
4083 | case TOKEN_PPR: | |
4084 | if (!val) | |
4085 | driver_setup.no_ppr = 1; | |
4086 | else if (val != 0x10000) | |
4087 | driver_setup.ppr_mask = val; | |
4088 | break; | |
4089 | case TOKEN_VERBOSE: | |
4090 | qla1280_verbose = val; | |
4091 | break; | |
4092 | default: | |
4093 | printk(KERN_INFO "qla1280: unknown boot option %s\n", | |
4094 | cp); | |
4095 | } | |
4096 | ||
4097 | cp = strchr(ptr, ';'); | |
4098 | if (cp) | |
4099 | cp++; | |
4100 | else { | |
4101 | break; | |
4102 | } | |
4103 | } | |
4104 | return 1; | |
4105 | } | |
4106 | ||
4107 | ||
f58f8313 | 4108 | static int __init |
1da177e4 LT |
4109 | qla1280_get_token(char *str) |
4110 | { | |
4111 | char *sep; | |
4112 | long ret = -1; | |
6391a113 | 4113 | int i; |
1da177e4 LT |
4114 | |
4115 | sep = strchr(str, ':'); | |
4116 | ||
4117 | if (sep) { | |
6391a113 | 4118 | for (i = 0; i < ARRAY_SIZE(setup_token); i++) { |
1da177e4 LT |
4119 | if (!strncmp(setup_token[i].token, str, (sep - str))) { |
4120 | ret = setup_token[i].val; | |
4121 | break; | |
4122 | } | |
4123 | } | |
4124 | } | |
4125 | ||
4126 | return ret; | |
4127 | } | |
4128 | ||
2dbb04c6 | 4129 | |
1da177e4 LT |
4130 | static struct scsi_host_template qla1280_driver_template = { |
4131 | .module = THIS_MODULE, | |
4132 | .proc_name = "qla1280", | |
4133 | .name = "Qlogic ISP 1280/12160", | |
4134 | .info = qla1280_info, | |
4135 | .slave_configure = qla1280_slave_configure, | |
4136 | .queuecommand = qla1280_queuecommand, | |
4137 | .eh_abort_handler = qla1280_eh_abort, | |
4138 | .eh_device_reset_handler= qla1280_eh_device_reset, | |
4139 | .eh_bus_reset_handler = qla1280_eh_bus_reset, | |
4140 | .eh_host_reset_handler = qla1280_eh_adapter_reset, | |
4141 | .bios_param = qla1280_biosparam, | |
2bcbc814 | 4142 | .can_queue = MAX_OUTSTANDING_COMMANDS, |
1da177e4 LT |
4143 | .this_id = -1, |
4144 | .sg_tablesize = SG_ALL, | |
1da177e4 | 4145 | }; |
2dbb04c6 | 4146 | |
1da177e4 | 4147 | |
6f039790 | 4148 | static int |
1da177e4 LT |
4149 | qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) |
4150 | { | |
4151 | int devnum = id->driver_data; | |
4152 | struct qla_boards *bdp = &ql1280_board_tbl[devnum]; | |
4153 | struct Scsi_Host *host; | |
4154 | struct scsi_qla_host *ha; | |
4155 | int error = -ENODEV; | |
4156 | ||
4157 | /* Bypass all AMI SUBSYS VENDOR IDs */ | |
4158 | if (pdev->subsystem_vendor == PCI_VENDOR_ID_AMI) { | |
4159 | printk(KERN_INFO | |
4160 | "qla1280: Skipping AMI SubSys Vendor ID Chip\n"); | |
4161 | goto error; | |
4162 | } | |
4163 | ||
4164 | printk(KERN_INFO "qla1280: %s found on PCI bus %i, dev %i\n", | |
4165 | bdp->name, pdev->bus->number, PCI_SLOT(pdev->devfn)); | |
4166 | ||
4167 | if (pci_enable_device(pdev)) { | |
4168 | printk(KERN_WARNING | |
4169 | "qla1280: Failed to enabled pci device, aborting.\n"); | |
4170 | goto error; | |
4171 | } | |
4172 | ||
4173 | pci_set_master(pdev); | |
4174 | ||
4175 | error = -ENOMEM; | |
4176 | host = scsi_host_alloc(&qla1280_driver_template, sizeof(*ha)); | |
4177 | if (!host) { | |
4178 | printk(KERN_WARNING | |
4179 | "qla1280: Failed to register host, aborting.\n"); | |
4180 | goto error_disable_device; | |
4181 | } | |
4182 | ||
4183 | ha = (struct scsi_qla_host *)host->hostdata; | |
4184 | memset(ha, 0, sizeof(struct scsi_qla_host)); | |
4185 | ||
4186 | ha->pdev = pdev; | |
4187 | ha->devnum = devnum; /* specifies microcode load address */ | |
4188 | ||
4189 | #ifdef QLA_64BIT_PTR | |
4a01ab60 | 4190 | if (dma_set_mask_and_coherent(&ha->pdev->dev, DMA_BIT_MASK(64))) { |
60ea4fb1 | 4191 | if (dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32))) { |
1da177e4 | 4192 | printk(KERN_WARNING "scsi(%li): Unable to set a " |
2b55cac3 | 4193 | "suitable DMA mask - aborting\n", ha->host_no); |
1da177e4 | 4194 | error = -ENODEV; |
eb7a1698 | 4195 | goto error_put_host; |
1da177e4 LT |
4196 | } |
4197 | } else | |
4198 | dprintk(2, "scsi(%li): 64 Bit PCI Addressing Enabled\n", | |
4199 | ha->host_no); | |
4200 | #else | |
60ea4fb1 | 4201 | if (dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32))) { |
1da177e4 | 4202 | printk(KERN_WARNING "scsi(%li): Unable to set a " |
2b55cac3 | 4203 | "suitable DMA mask - aborting\n", ha->host_no); |
1da177e4 | 4204 | error = -ENODEV; |
eb7a1698 | 4205 | goto error_put_host; |
1da177e4 LT |
4206 | } |
4207 | #endif | |
4208 | ||
60ea4fb1 | 4209 | ha->request_ring = dma_alloc_coherent(&ha->pdev->dev, |
2b55cac3 | 4210 | ((REQUEST_ENTRY_CNT + 1) * sizeof(request_t)), |
60ea4fb1 | 4211 | &ha->request_dma, GFP_KERNEL); |
1da177e4 LT |
4212 | if (!ha->request_ring) { |
4213 | printk(KERN_INFO "qla1280: Failed to get request memory\n"); | |
4214 | goto error_put_host; | |
4215 | } | |
4216 | ||
60ea4fb1 | 4217 | ha->response_ring = dma_alloc_coherent(&ha->pdev->dev, |
2b55cac3 | 4218 | ((RESPONSE_ENTRY_CNT + 1) * sizeof(struct response)), |
60ea4fb1 | 4219 | &ha->response_dma, GFP_KERNEL); |
1da177e4 LT |
4220 | if (!ha->response_ring) { |
4221 | printk(KERN_INFO "qla1280: Failed to get response memory\n"); | |
4222 | goto error_free_request_ring; | |
4223 | } | |
4224 | ||
4225 | ha->ports = bdp->numPorts; | |
4226 | ||
4227 | ha->host = host; | |
4228 | ha->host_no = host->host_no; | |
4229 | ||
4230 | host->irq = pdev->irq; | |
4231 | host->max_channel = bdp->numPorts - 1; | |
4232 | host->max_lun = MAX_LUNS - 1; | |
4233 | host->max_id = MAX_TARGETS; | |
4234 | host->max_sectors = 1024; | |
4235 | host->unique_id = host->host_no; | |
4236 | ||
1da177e4 LT |
4237 | error = -ENODEV; |
4238 | ||
4239 | #if MEMORY_MAPPED_IO | |
25729a7f | 4240 | ha->mmpbase = pci_ioremap_bar(ha->pdev, 1); |
1da177e4 LT |
4241 | if (!ha->mmpbase) { |
4242 | printk(KERN_INFO "qla1280: Unable to map I/O memory\n"); | |
4243 | goto error_free_response_ring; | |
4244 | } | |
4245 | ||
4246 | host->base = (unsigned long)ha->mmpbase; | |
4247 | ha->iobase = (struct device_reg __iomem *)ha->mmpbase; | |
4248 | #else | |
4249 | host->io_port = pci_resource_start(ha->pdev, 0); | |
4250 | if (!request_region(host->io_port, 0xff, "qla1280")) { | |
4251 | printk(KERN_INFO "qla1280: Failed to reserve i/o region " | |
4252 | "0x%04lx-0x%04lx - already in use\n", | |
4253 | host->io_port, host->io_port + 0xff); | |
4254 | goto error_free_response_ring; | |
4255 | } | |
4256 | ||
4257 | ha->iobase = (struct device_reg *)host->io_port; | |
4258 | #endif | |
4259 | ||
4260 | INIT_LIST_HEAD(&ha->done_q); | |
4261 | ||
4262 | /* Disable ISP interrupts. */ | |
4263 | qla1280_disable_intrs(ha); | |
4264 | ||
1d6f359a | 4265 | if (request_irq(pdev->irq, qla1280_intr_handler, IRQF_SHARED, |
1da177e4 LT |
4266 | "qla1280", ha)) { |
4267 | printk("qla1280 : Failed to reserve interrupt %d already " | |
4268 | "in use\n", pdev->irq); | |
4269 | goto error_release_region; | |
4270 | } | |
4271 | ||
4272 | /* load the F/W, read paramaters, and init the H/W */ | |
4273 | if (qla1280_initialize_adapter(ha)) { | |
4274 | printk(KERN_INFO "qla1x160: Failed to initialize adapter\n"); | |
4275 | goto error_free_irq; | |
4276 | } | |
4277 | ||
4278 | /* set our host ID (need to do something about our two IDs) */ | |
4279 | host->this_id = ha->bus_settings[0].id; | |
4280 | ||
4281 | pci_set_drvdata(pdev, host); | |
4282 | ||
1da177e4 LT |
4283 | error = scsi_add_host(host, &pdev->dev); |
4284 | if (error) | |
4285 | goto error_disable_adapter; | |
4286 | scsi_scan_host(host); | |
1da177e4 LT |
4287 | |
4288 | return 0; | |
4289 | ||
1da177e4 | 4290 | error_disable_adapter: |
8af50dcd | 4291 | qla1280_disable_intrs(ha); |
1da177e4 LT |
4292 | error_free_irq: |
4293 | free_irq(pdev->irq, ha); | |
4294 | error_release_region: | |
4295 | #if MEMORY_MAPPED_IO | |
4296 | iounmap(ha->mmpbase); | |
4297 | #else | |
4298 | release_region(host->io_port, 0xff); | |
4299 | #endif | |
4300 | error_free_response_ring: | |
60ea4fb1 | 4301 | dma_free_coherent(&ha->pdev->dev, |
2b55cac3 | 4302 | ((RESPONSE_ENTRY_CNT + 1) * sizeof(struct response)), |
1da177e4 LT |
4303 | ha->response_ring, ha->response_dma); |
4304 | error_free_request_ring: | |
60ea4fb1 | 4305 | dma_free_coherent(&ha->pdev->dev, |
2b55cac3 | 4306 | ((REQUEST_ENTRY_CNT + 1) * sizeof(request_t)), |
1da177e4 LT |
4307 | ha->request_ring, ha->request_dma); |
4308 | error_put_host: | |
4309 | scsi_host_put(host); | |
4310 | error_disable_device: | |
4311 | pci_disable_device(pdev); | |
4312 | error: | |
4313 | return error; | |
4314 | } | |
4315 | ||
4316 | ||
6f039790 | 4317 | static void |
1da177e4 LT |
4318 | qla1280_remove_one(struct pci_dev *pdev) |
4319 | { | |
4320 | struct Scsi_Host *host = pci_get_drvdata(pdev); | |
4321 | struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata; | |
4322 | ||
1da177e4 | 4323 | scsi_remove_host(host); |
1da177e4 | 4324 | |
8af50dcd | 4325 | qla1280_disable_intrs(ha); |
1da177e4 LT |
4326 | |
4327 | free_irq(pdev->irq, ha); | |
4328 | ||
4329 | #if MEMORY_MAPPED_IO | |
4330 | iounmap(ha->mmpbase); | |
4331 | #else | |
4332 | release_region(host->io_port, 0xff); | |
4333 | #endif | |
4334 | ||
60ea4fb1 | 4335 | dma_free_coherent(&ha->pdev->dev, |
1da177e4 LT |
4336 | ((REQUEST_ENTRY_CNT + 1) * (sizeof(request_t))), |
4337 | ha->request_ring, ha->request_dma); | |
60ea4fb1 | 4338 | dma_free_coherent(&ha->pdev->dev, |
1da177e4 LT |
4339 | ((RESPONSE_ENTRY_CNT + 1) * (sizeof(struct response))), |
4340 | ha->response_ring, ha->response_dma); | |
4341 | ||
4342 | pci_disable_device(pdev); | |
4343 | ||
4344 | scsi_host_put(host); | |
4345 | } | |
4346 | ||
1da177e4 LT |
4347 | static struct pci_driver qla1280_pci_driver = { |
4348 | .name = "qla1280", | |
4349 | .id_table = qla1280_pci_tbl, | |
4350 | .probe = qla1280_probe_one, | |
6f039790 | 4351 | .remove = qla1280_remove_one, |
1da177e4 LT |
4352 | }; |
4353 | ||
4354 | static int __init | |
4355 | qla1280_init(void) | |
4356 | { | |
4357 | if (sizeof(struct srb) > sizeof(struct scsi_pointer)) { | |
4358 | printk(KERN_WARNING | |
4359 | "qla1280: struct srb too big, aborting\n"); | |
4360 | return -EINVAL; | |
4361 | } | |
4362 | ||
4363 | #ifdef MODULE | |
4364 | /* | |
4365 | * If we are called as a module, the qla1280 pointer may not be null | |
4366 | * and it would point to our bootup string, just like on the lilo | |
4367 | * command line. IF not NULL, then process this config string with | |
4368 | * qla1280_setup | |
4369 | * | |
4370 | * Boot time Options | |
4371 | * To add options at boot time add a line to your lilo.conf file like: | |
4372 | * append="qla1280=verbose,max_tags:{{255,255,255,255},{255,255,255,255}}" | |
4373 | * which will result in the first four devices on the first two | |
4374 | * controllers being set to a tagged queue depth of 32. | |
4375 | */ | |
4376 | if (qla1280) | |
4377 | qla1280_setup(qla1280); | |
4378 | #endif | |
4379 | ||
dcbccbde | 4380 | return pci_register_driver(&qla1280_pci_driver); |
1da177e4 LT |
4381 | } |
4382 | ||
4383 | static void __exit | |
4384 | qla1280_exit(void) | |
4385 | { | |
421e33d0 MR |
4386 | int i; |
4387 | ||
1da177e4 | 4388 | pci_unregister_driver(&qla1280_pci_driver); |
421e33d0 MR |
4389 | /* release any allocated firmware images */ |
4390 | for (i = 0; i < QL_NUM_FW_IMAGES; i++) { | |
90449e5d JJ |
4391 | release_firmware(qla1280_fw_tbl[i].fw); |
4392 | qla1280_fw_tbl[i].fw = NULL; | |
421e33d0 | 4393 | } |
1da177e4 LT |
4394 | } |
4395 | ||
4396 | module_init(qla1280_init); | |
4397 | module_exit(qla1280_exit); | |
4398 | ||
1da177e4 LT |
4399 | MODULE_AUTHOR("Qlogic & Jes Sorensen"); |
4400 | MODULE_DESCRIPTION("Qlogic ISP SCSI (qla1x80/qla1x160) driver"); | |
4401 | MODULE_LICENSE("GPL"); | |
1bfa11db JSR |
4402 | MODULE_FIRMWARE("qlogic/1040.bin"); |
4403 | MODULE_FIRMWARE("qlogic/1280.bin"); | |
4404 | MODULE_FIRMWARE("qlogic/12160.bin"); | |
1da177e4 LT |
4405 | MODULE_VERSION(QLA1280_VERSION); |
4406 | ||
4407 | /* | |
4408 | * Overrides for Emacs so that we almost follow Linus's tabbing style. | |
4409 | * Emacs will notice this stuff at the end of the file and automatically | |
4410 | * adjust the settings for this buffer only. This must remain at the end | |
4411 | * of the file. | |
4412 | * --------------------------------------------------------------------------- | |
4413 | * Local variables: | |
4414 | * c-basic-offset: 8 | |
4415 | * tab-width: 8 | |
4416 | * End: | |
4417 | */ |