1 | // SPDX-License-Identifier: GPL-2.0-or-later |
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 | * |
10 | ******************************************************************************/ |
11 | #define QLA1280_VERSION "3.27.1" |
12 | /***************************************************************************** |
13 | Revision History: |
14 | Rev 3.27.1, February 8, 2010, Michael Reed |
15 | - Retain firmware image for error recovery. |
16 | Rev 3.27, February 10, 2009, Michael Reed |
17 | - General code cleanup. |
18 | - Improve error recovery. |
19 | Rev 3.26, January 16, 2006 Jes Sorensen |
20 | - Ditch all < 2.6 support |
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. |
72 | This just happened to work out on ia64 but not elsewhere. |
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 |
127 | sent to the card - this command pauses the firmware!!! |
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 |
191 | - Don't use IRQF_DISABLED, it's use is deprecated for this kinda driver |
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 | |
330 | #include <linux/module.h> |
331 | |
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> |
339 | #include <linux/pci.h> |
340 | #include <linux/proc_fs.h> |
341 | #include <linux/stat.h> |
342 | #include <linux/pci_ids.h> |
343 | #include <linux/interrupt.h> |
344 | #include <linux/init.h> |
345 | #include <linux/dma-mapping.h> |
346 | #include <linux/firmware.h> |
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> |
353 | |
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> |
359 | |
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 | |
369 | #define MEMORY_MAPPED_IO 1 |
370 | |
371 | #include "qla1280.h" |
372 | |
373 | #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT |
374 | #define QLA_64BIT_PTR 1 |
375 | #endif |
376 | |
377 | #define NVRAM_DELAY() udelay(500) /* 2 microseconds */ |
378 | |
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 *); |
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); |
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 | #define CMD_CDBLEN(Cmnd) Cmnd->cmd_len |
481 | #define CMD_CDBP(Cmnd) Cmnd->cmnd |
482 | #define CMD_SNSP(Cmnd) Cmnd->sense_buffer |
483 | #define CMD_SNSLEN(Cmnd) SCSI_SENSE_BUFFERSIZE |
484 | #define CMD_RESULT(Cmnd) Cmnd->result |
485 | #define CMD_HANDLE(Cmnd) Cmnd->host_scribble |
486 | |
487 | #define CMD_HOST(Cmnd) Cmnd->device->host |
488 | #define SCSI_BUS_32(Cmnd) Cmnd->device->channel |
489 | #define SCSI_TCN_32(Cmnd) Cmnd->device->id |
490 | #define SCSI_LUN_32(Cmnd) Cmnd->device->lun |
491 | |
492 | |
493 | /*****************************************/ |
494 | /* ISP Boards supported by this driver */ |
495 | /*****************************************/ |
496 | |
497 | struct qla_boards { |
498 | char *name; /* Board ID String */ |
499 | int numPorts; /* Number of SCSI ports */ |
500 | int fw_index; /* index into qla1280_fw_tbl for firmware */ |
501 | }; |
502 | |
503 | /* NOTE: the last argument in each entry is used to index ql1280_board_tbl */ |
504 | static struct pci_device_id qla1280_pci_tbl[] = { |
505 | {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP12160, |
506 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, |
507 | {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1020, |
508 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1}, |
509 | {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1080, |
510 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2}, |
511 | {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1240, |
512 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3}, |
513 | {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP1280, |
514 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4}, |
515 | {PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP10160, |
516 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5}, |
517 | {0,} |
518 | }; |
519 | MODULE_DEVICE_TABLE(pci, qla1280_pci_tbl); |
520 | |
521 | static DEFINE_MUTEX(qla1280_firmware_mutex); |
522 | |
523 | struct qla_fw { |
524 | char *fwname; |
525 | const struct firmware *fw; |
526 | }; |
527 | |
528 | #define QL_NUM_FW_IMAGES 3 |
529 | |
530 | static struct qla_fw qla1280_fw_tbl[QL_NUM_FW_IMAGES] = { |
531 | {"qlogic/1040.bin" , NULL}, /* image 0 */ |
532 | {"qlogic/1280.bin" , NULL}, /* image 1 */ |
533 | {"qlogic/12160.bin" , NULL}, /* image 2 */ |
534 | }; |
535 | |
536 | /* NOTE: Order of boards in this table must match order in qla1280_pci_tbl */ |
537 | static struct qla_boards ql1280_board_tbl[] = { |
538 | {.name = "QLA12160" , .numPorts = 2, .fw_index = 2}, |
539 | {.name = "QLA1040" , .numPorts = 1, .fw_index = 0}, |
540 | {.name = "QLA1080" , .numPorts = 1, .fw_index = 1}, |
541 | {.name = "QLA1240" , .numPorts = 2, .fw_index = 1}, |
542 | {.name = "QLA1280" , .numPorts = 2, .fw_index = 1}, |
543 | {.name = "QLA10160" , .numPorts = 1, .fw_index = 2}, |
544 | {.name = " " , .numPorts = 0, .fw_index = -1}, |
545 | }; |
546 | |
547 | static int qla1280_verbose = 1; |
548 | |
549 | #if DEBUG_QLA1280 |
550 | static int ql_debug_level = 1; |
551 | #define dprintk(level, format, a...) \ |
552 | do { if (ql_debug_level >= level) printk(KERN_ERR format, ##a); } while(0) |
553 | #define qla1280_dump_buffer(level, buf, size) \ |
554 | if (ql_debug_level >= level) __qla1280_dump_buffer(buf, size) |
555 | #define qla1280_print_scsi_cmd(level, cmd) \ |
556 | if (ql_debug_level >= level) __qla1280_print_scsi_cmd(cmd) |
557 | #else |
558 | #define ql_debug_level 0 |
559 | #define dprintk(level, format, a...) do{}while(0) |
560 | #define qla1280_dump_buffer(a, b, c) do{}while(0) |
561 | #define qla1280_print_scsi_cmd(a, b) do{}while(0) |
562 | #endif |
563 | |
564 | #define ENTER(x) dprintk(3, "qla1280 : Entering %s()\n", x); |
565 | #define LEAVE(x) dprintk(3, "qla1280 : Leaving %s()\n", x); |
566 | #define ENTER_INTR(x) dprintk(4, "qla1280 : Entering %s()\n", x); |
567 | #define LEAVE_INTR(x) dprintk(4, "qla1280 : Leaving %s()\n", x); |
568 | |
569 | |
570 | static int qla1280_read_nvram(struct scsi_qla_host *ha) |
571 | { |
572 | uint16_t *wptr; |
573 | uint8_t chksum; |
574 | int cnt, i; |
575 | struct nvram *nv; |
576 | |
577 | ENTER("qla1280_read_nvram" ); |
578 | |
579 | if (driver_setup.no_nvram) |
580 | return 1; |
581 | |
582 | printk(KERN_INFO "scsi(%ld): Reading NVRAM\n" , ha->host_no); |
583 | |
584 | wptr = (uint16_t *)&ha->nvram; |
585 | nv = &ha->nvram; |
586 | chksum = 0; |
587 | for (cnt = 0; cnt < 3; cnt++) { |
588 | *wptr = qla1280_get_nvram_word(ha, cnt); |
589 | chksum += *wptr & 0xff; |
590 | chksum += (*wptr >> 8) & 0xff; |
591 | wptr++; |
592 | } |
593 | |
594 | if (nv->id0 != 'I' || nv->id1 != 'S' || |
595 | nv->id2 != 'P' || nv->id3 != ' ' || nv->version < 1) { |
596 | dprintk(2, "Invalid nvram ID or version!\n" ); |
597 | chksum = 1; |
598 | } else { |
599 | for (; cnt < sizeof(struct nvram); cnt++) { |
600 | *wptr = qla1280_get_nvram_word(ha, cnt); |
601 | chksum += *wptr & 0xff; |
602 | chksum += (*wptr >> 8) & 0xff; |
603 | wptr++; |
604 | } |
605 | } |
606 | |
607 | dprintk(3, "qla1280_read_nvram: NVRAM Magic ID= %c %c %c %02x" |
608 | " version %i\n" , nv->id0, nv->id1, nv->id2, nv->id3, |
609 | nv->version); |
610 | |
611 | |
612 | if (chksum) { |
613 | if (!driver_setup.no_nvram) |
614 | printk(KERN_WARNING "scsi(%ld): Unable to identify or " |
615 | "validate NVRAM checksum, using default " |
616 | "settings\n" , ha->host_no); |
617 | ha->nvram_valid = 0; |
618 | } else |
619 | ha->nvram_valid = 1; |
620 | |
621 | /* The firmware interface is, um, interesting, in that the |
622 | * actual firmware image on the chip is little endian, thus, |
623 | * the process of taking that image to the CPU would end up |
624 | * little endian. However, the firmware interface requires it |
625 | * to be read a word (two bytes) at a time. |
626 | * |
627 | * The net result of this would be that the word (and |
628 | * doubleword) quantities in the firmware would be correct, but |
629 | * the bytes would be pairwise reversed. Since most of the |
630 | * firmware quantities are, in fact, bytes, we do an extra |
631 | * le16_to_cpu() in the firmware read routine. |
632 | * |
633 | * The upshot of all this is that the bytes in the firmware |
634 | * are in the correct places, but the 16 and 32 bit quantities |
635 | * are still in little endian format. We fix that up below by |
636 | * doing extra reverses on them */ |
637 | nv->isp_parameter = cpu_to_le16(nv->isp_parameter); |
638 | nv->firmware_feature.w = cpu_to_le16(nv->firmware_feature.w); |
639 | for(i = 0; i < MAX_BUSES; i++) { |
640 | nv->bus[i].selection_timeout = cpu_to_le16(nv->bus[i].selection_timeout); |
641 | nv->bus[i].max_queue_depth = cpu_to_le16(nv->bus[i].max_queue_depth); |
642 | } |
643 | dprintk(1, "qla1280_read_nvram: Completed Reading NVRAM\n" ); |
644 | LEAVE("qla1280_read_nvram" ); |
645 | |
646 | return chksum; |
647 | } |
648 | |
649 | /************************************************************************** |
650 | * qla1280_info |
651 | * Return a string describing the driver. |
652 | **************************************************************************/ |
653 | static const char * |
654 | qla1280_info(struct Scsi_Host *host) |
655 | { |
656 | static char qla1280_scsi_name_buffer[125]; |
657 | char *bp; |
658 | struct scsi_qla_host *ha; |
659 | struct qla_boards *bdp; |
660 | |
661 | bp = &qla1280_scsi_name_buffer[0]; |
662 | ha = (struct scsi_qla_host *)host->hostdata; |
663 | bdp = &ql1280_board_tbl[ha->devnum]; |
664 | memset(bp, 0, sizeof(qla1280_scsi_name_buffer)); |
665 | |
666 | sprintf (buf: bp, |
667 | fmt: "QLogic %s PCI to SCSI Host Adapter\n" |
668 | " Firmware version: %2d.%02d.%02d, Driver version %s" , |
669 | &bdp->name[0], ha->fwver1, ha->fwver2, ha->fwver3, |
670 | QLA1280_VERSION); |
671 | return bp; |
672 | } |
673 | |
674 | /************************************************************************** |
675 | * qla1280_queuecommand |
676 | * Queue a command to the controller. |
677 | * |
678 | * Note: |
679 | * The mid-level driver tries to ensures that queuecommand never gets invoked |
680 | * concurrently with itself or the interrupt handler (although the |
681 | * interrupt handler may call this routine as part of request-completion |
682 | * handling). Unfortunately, it sometimes calls the scheduler in interrupt |
683 | * context which is a big NO! NO!. |
684 | **************************************************************************/ |
685 | static int qla1280_queuecommand_lck(struct scsi_cmnd *cmd) |
686 | { |
687 | struct Scsi_Host *host = cmd->device->host; |
688 | struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata; |
689 | struct srb *sp = scsi_cmd_priv(cmd); |
690 | int status; |
691 | |
692 | sp->cmd = cmd; |
693 | sp->flags = 0; |
694 | sp->wait = NULL; |
695 | CMD_HANDLE(cmd) = (unsigned char *)NULL; |
696 | |
697 | qla1280_print_scsi_cmd(5, cmd); |
698 | |
699 | #ifdef QLA_64BIT_PTR |
700 | /* |
701 | * Using 64 bit commands if the PCI bridge doesn't support it is a |
702 | * bit wasteful, however this should really only happen if one's |
703 | * PCI controller is completely broken, like the BCM1250. For |
704 | * sane hardware this is not an issue. |
705 | */ |
706 | status = qla1280_64bit_start_scsi(ha, sp); |
707 | #else |
708 | status = qla1280_32bit_start_scsi(ha, sp); |
709 | #endif |
710 | return status; |
711 | } |
712 | |
713 | static DEF_SCSI_QCMD(qla1280_queuecommand) |
714 | |
715 | enum action { |
716 | ABORT_COMMAND, |
717 | DEVICE_RESET, |
718 | BUS_RESET, |
719 | }; |
720 | |
721 | |
722 | static void qla1280_mailbox_timeout(struct timer_list *t) |
723 | { |
724 | struct scsi_qla_host *ha = from_timer(ha, t, mailbox_timer); |
725 | struct device_reg __iomem *reg; |
726 | reg = ha->iobase; |
727 | |
728 | ha->mailbox_out[0] = RD_REG_WORD(®->mailbox0); |
729 | printk(KERN_ERR "scsi(%ld): mailbox timed out, mailbox0 %04x, " |
730 | "ictrl %04x, istatus %04x\n" , ha->host_no, ha->mailbox_out[0], |
731 | RD_REG_WORD(®->ictrl), RD_REG_WORD(®->istatus)); |
732 | complete(ha->mailbox_wait); |
733 | } |
734 | |
735 | static int |
736 | _qla1280_wait_for_single_command(struct scsi_qla_host *ha, struct srb *sp, |
737 | struct completion *wait) |
738 | { |
739 | int status = FAILED; |
740 | struct scsi_cmnd *cmd = sp->cmd; |
741 | |
742 | spin_unlock_irq(lock: ha->host->host_lock); |
743 | wait_for_completion_timeout(x: wait, timeout: 4*HZ); |
744 | spin_lock_irq(lock: ha->host->host_lock); |
745 | sp->wait = NULL; |
746 | if(CMD_HANDLE(cmd) == COMPLETED_HANDLE) { |
747 | status = SUCCESS; |
748 | scsi_done(cmd); |
749 | } |
750 | return status; |
751 | } |
752 | |
753 | static int |
754 | qla1280_wait_for_single_command(struct scsi_qla_host *ha, struct srb *sp) |
755 | { |
756 | DECLARE_COMPLETION_ONSTACK(wait); |
757 | |
758 | sp->wait = &wait; |
759 | return _qla1280_wait_for_single_command(ha, sp, wait: &wait); |
760 | } |
761 | |
762 | static int |
763 | qla1280_wait_for_pending_commands(struct scsi_qla_host *ha, int bus, int target) |
764 | { |
765 | int cnt; |
766 | int status; |
767 | struct srb *sp; |
768 | struct scsi_cmnd *cmd; |
769 | |
770 | status = SUCCESS; |
771 | |
772 | /* |
773 | * Wait for all commands with the designated bus/target |
774 | * to be completed by the firmware |
775 | */ |
776 | for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { |
777 | sp = ha->outstanding_cmds[cnt]; |
778 | if (sp) { |
779 | cmd = sp->cmd; |
780 | |
781 | if (bus >= 0 && SCSI_BUS_32(cmd) != bus) |
782 | continue; |
783 | if (target >= 0 && SCSI_TCN_32(cmd) != target) |
784 | continue; |
785 | |
786 | status = qla1280_wait_for_single_command(ha, sp); |
787 | if (status == FAILED) |
788 | break; |
789 | } |
790 | } |
791 | return status; |
792 | } |
793 | |
794 | /************************************************************************** |
795 | * qla1280_error_action |
796 | * The function will attempt to perform a specified error action and |
797 | * wait for the results (or time out). |
798 | * |
799 | * Input: |
800 | * cmd = Linux SCSI command packet of the command that cause the |
801 | * bus reset. |
802 | * action = error action to take (see action_t) |
803 | * |
804 | * Returns: |
805 | * SUCCESS or FAILED |
806 | * |
807 | **************************************************************************/ |
808 | static int |
809 | qla1280_error_action(struct scsi_cmnd *cmd, enum action action) |
810 | { |
811 | struct scsi_qla_host *ha; |
812 | int bus, target, lun; |
813 | struct srb *sp; |
814 | int i, found; |
815 | int result=FAILED; |
816 | int wait_for_bus=-1; |
817 | int wait_for_target = -1; |
818 | DECLARE_COMPLETION_ONSTACK(wait); |
819 | |
820 | ENTER("qla1280_error_action" ); |
821 | |
822 | ha = (struct scsi_qla_host *)(CMD_HOST(cmd)->hostdata); |
823 | sp = scsi_cmd_priv(cmd); |
824 | bus = SCSI_BUS_32(cmd); |
825 | target = SCSI_TCN_32(cmd); |
826 | lun = SCSI_LUN_32(cmd); |
827 | |
828 | dprintk(4, "error_action %i, istatus 0x%04x\n" , action, |
829 | RD_REG_WORD(&ha->iobase->istatus)); |
830 | |
831 | dprintk(4, "host_cmd 0x%04x, ictrl 0x%04x, jiffies %li\n" , |
832 | RD_REG_WORD(&ha->iobase->host_cmd), |
833 | RD_REG_WORD(&ha->iobase->ictrl), jiffies); |
834 | |
835 | if (qla1280_verbose) |
836 | printk(KERN_INFO "scsi(%li): Resetting Cmnd=0x%p, " |
837 | "Handle=0x%p, action=0x%x\n" , |
838 | ha->host_no, cmd, CMD_HANDLE(cmd), action); |
839 | |
840 | /* |
841 | * Check to see if we have the command in the outstanding_cmds[] |
842 | * array. If not then it must have completed before this error |
843 | * action was initiated. If the error_action isn't ABORT_COMMAND |
844 | * then the driver must proceed with the requested action. |
845 | */ |
846 | found = -1; |
847 | for (i = 0; i < MAX_OUTSTANDING_COMMANDS; i++) { |
848 | if (sp == ha->outstanding_cmds[i]) { |
849 | found = i; |
850 | sp->wait = &wait; /* we'll wait for it to complete */ |
851 | break; |
852 | } |
853 | } |
854 | |
855 | if (found < 0) { /* driver doesn't have command */ |
856 | result = SUCCESS; |
857 | if (qla1280_verbose) { |
858 | printk(KERN_INFO |
859 | "scsi(%ld:%d:%d:%d): specified command has " |
860 | "already completed.\n" , ha->host_no, bus, |
861 | target, lun); |
862 | } |
863 | } |
864 | |
865 | switch (action) { |
866 | |
867 | case ABORT_COMMAND: |
868 | dprintk(1, "qla1280: RISC aborting command\n" ); |
869 | /* |
870 | * The abort might fail due to race when the host_lock |
871 | * is released to issue the abort. As such, we |
872 | * don't bother to check the return status. |
873 | */ |
874 | if (found >= 0) |
875 | qla1280_abort_command(ha, sp, found); |
876 | break; |
877 | |
878 | case DEVICE_RESET: |
879 | if (qla1280_verbose) |
880 | printk(KERN_INFO |
881 | "scsi(%ld:%d:%d:%d): Queueing device reset " |
882 | "command.\n" , ha->host_no, bus, target, lun); |
883 | if (qla1280_device_reset(ha, bus, target) == 0) { |
884 | /* issued device reset, set wait conditions */ |
885 | wait_for_bus = bus; |
886 | wait_for_target = target; |
887 | } |
888 | break; |
889 | |
890 | case BUS_RESET: |
891 | if (qla1280_verbose) |
892 | printk(KERN_INFO "qla1280(%ld:%d): Issued bus " |
893 | "reset.\n" , ha->host_no, bus); |
894 | if (qla1280_bus_reset(ha, bus) == 0) { |
895 | /* issued bus reset, set wait conditions */ |
896 | wait_for_bus = bus; |
897 | } |
898 | break; |
899 | |
900 | default: |
901 | dprintk(1, "RESET invalid action %d\n" , action); |
902 | return FAILED; |
903 | } |
904 | |
905 | /* |
906 | * At this point, the host_lock has been released and retaken |
907 | * by the issuance of the mailbox command. |
908 | * Wait for the command passed in by the mid-layer if it |
909 | * was found by the driver. It might have been returned |
910 | * between eh recovery steps, hence the check of the "found" |
911 | * variable. |
912 | */ |
913 | |
914 | if (found >= 0) |
915 | result = _qla1280_wait_for_single_command(ha, sp, wait: &wait); |
916 | |
917 | if (action == ABORT_COMMAND && result != SUCCESS) { |
918 | printk(KERN_WARNING |
919 | "scsi(%li:%i:%i:%i): " |
920 | "Unable to abort command!\n" , |
921 | ha->host_no, bus, target, lun); |
922 | } |
923 | |
924 | /* |
925 | * If the command passed in by the mid-layer has been |
926 | * returned by the board, then wait for any additional |
927 | * commands which are supposed to complete based upon |
928 | * the error action. |
929 | * |
930 | * All commands are unconditionally returned during a |
931 | * call to qla1280_abort_isp(), ADAPTER_RESET. No need |
932 | * to wait for them. |
933 | */ |
934 | if (result == SUCCESS && wait_for_bus >= 0) { |
935 | result = qla1280_wait_for_pending_commands(ha, |
936 | bus: wait_for_bus, target: wait_for_target); |
937 | } |
938 | |
939 | dprintk(1, "RESET returning %d\n" , result); |
940 | |
941 | LEAVE("qla1280_error_action" ); |
942 | return result; |
943 | } |
944 | |
945 | /************************************************************************** |
946 | * qla1280_abort |
947 | * Abort the specified SCSI command(s). |
948 | **************************************************************************/ |
949 | static int |
950 | qla1280_eh_abort(struct scsi_cmnd * cmd) |
951 | { |
952 | int rc; |
953 | |
954 | spin_lock_irq(lock: cmd->device->host->host_lock); |
955 | rc = qla1280_error_action(cmd, action: ABORT_COMMAND); |
956 | spin_unlock_irq(lock: cmd->device->host->host_lock); |
957 | |
958 | return rc; |
959 | } |
960 | |
961 | /************************************************************************** |
962 | * qla1280_device_reset |
963 | * Reset the specified SCSI device |
964 | **************************************************************************/ |
965 | static int |
966 | qla1280_eh_device_reset(struct scsi_cmnd *cmd) |
967 | { |
968 | int rc; |
969 | |
970 | spin_lock_irq(lock: cmd->device->host->host_lock); |
971 | rc = qla1280_error_action(cmd, action: DEVICE_RESET); |
972 | spin_unlock_irq(lock: cmd->device->host->host_lock); |
973 | |
974 | return rc; |
975 | } |
976 | |
977 | /************************************************************************** |
978 | * qla1280_bus_reset |
979 | * Reset the specified bus. |
980 | **************************************************************************/ |
981 | static int |
982 | qla1280_eh_bus_reset(struct scsi_cmnd *cmd) |
983 | { |
984 | int rc; |
985 | |
986 | spin_lock_irq(lock: cmd->device->host->host_lock); |
987 | rc = qla1280_error_action(cmd, action: BUS_RESET); |
988 | spin_unlock_irq(lock: cmd->device->host->host_lock); |
989 | |
990 | return rc; |
991 | } |
992 | |
993 | /************************************************************************** |
994 | * qla1280_adapter_reset |
995 | * Reset the specified adapter (both channels) |
996 | **************************************************************************/ |
997 | static int |
998 | qla1280_eh_adapter_reset(struct scsi_cmnd *cmd) |
999 | { |
1000 | int rc = SUCCESS; |
1001 | struct Scsi_Host *shost = cmd->device->host; |
1002 | struct scsi_qla_host *ha = (struct scsi_qla_host *)shost->hostdata; |
1003 | |
1004 | spin_lock_irq(lock: shost->host_lock); |
1005 | if (qla1280_verbose) { |
1006 | printk(KERN_INFO |
1007 | "scsi(%ld): Issued ADAPTER RESET\n" , |
1008 | ha->host_no); |
1009 | printk(KERN_INFO "scsi(%ld): I/O processing will " |
1010 | "continue automatically\n" , ha->host_no); |
1011 | } |
1012 | ha->flags.reset_active = 1; |
1013 | |
1014 | if (qla1280_abort_isp(ha) != 0) { /* it's dead */ |
1015 | rc = FAILED; |
1016 | } |
1017 | |
1018 | ha->flags.reset_active = 0; |
1019 | |
1020 | spin_unlock_irq(lock: shost->host_lock); |
1021 | |
1022 | return rc; |
1023 | } |
1024 | |
1025 | static int |
1026 | qla1280_biosparam(struct scsi_device *sdev, struct block_device *bdev, |
1027 | sector_t capacity, int geom[]) |
1028 | { |
1029 | int heads, sectors, cylinders; |
1030 | |
1031 | heads = 64; |
1032 | sectors = 32; |
1033 | cylinders = (unsigned long)capacity / (heads * sectors); |
1034 | if (cylinders > 1024) { |
1035 | heads = 255; |
1036 | sectors = 63; |
1037 | cylinders = (unsigned long)capacity / (heads * sectors); |
1038 | /* if (cylinders > 1023) |
1039 | cylinders = 1023; */ |
1040 | } |
1041 | |
1042 | geom[0] = heads; |
1043 | geom[1] = sectors; |
1044 | geom[2] = cylinders; |
1045 | |
1046 | return 0; |
1047 | } |
1048 | |
1049 | |
1050 | /* disable risc and host interrupts */ |
1051 | static inline void |
1052 | qla1280_disable_intrs(struct scsi_qla_host *ha) |
1053 | { |
1054 | WRT_REG_WORD(&ha->iobase->ictrl, 0); |
1055 | RD_REG_WORD(&ha->iobase->ictrl); /* PCI Posted Write flush */ |
1056 | } |
1057 | |
1058 | /* enable risc and host interrupts */ |
1059 | static inline void |
1060 | qla1280_enable_intrs(struct scsi_qla_host *ha) |
1061 | { |
1062 | WRT_REG_WORD(&ha->iobase->ictrl, (ISP_EN_INT | ISP_EN_RISC)); |
1063 | RD_REG_WORD(&ha->iobase->ictrl); /* PCI Posted Write flush */ |
1064 | } |
1065 | |
1066 | /************************************************************************** |
1067 | * qla1280_intr_handler |
1068 | * Handles the H/W interrupt |
1069 | **************************************************************************/ |
1070 | static irqreturn_t |
1071 | qla1280_intr_handler(int irq, void *dev_id) |
1072 | { |
1073 | struct scsi_qla_host *ha; |
1074 | struct device_reg __iomem *reg; |
1075 | u16 data; |
1076 | int handled = 0; |
1077 | |
1078 | ENTER_INTR ("qla1280_intr_handler" ); |
1079 | ha = (struct scsi_qla_host *)dev_id; |
1080 | |
1081 | spin_lock(lock: ha->host->host_lock); |
1082 | |
1083 | ha->isr_count++; |
1084 | reg = ha->iobase; |
1085 | |
1086 | qla1280_disable_intrs(ha); |
1087 | |
1088 | data = qla1280_debounce_register(®->istatus); |
1089 | /* Check for pending interrupts. */ |
1090 | if (data & RISC_INT) { |
1091 | qla1280_isr(ha, &ha->done_q); |
1092 | handled = 1; |
1093 | } |
1094 | if (!list_empty(head: &ha->done_q)) |
1095 | qla1280_done(ha); |
1096 | |
1097 | spin_unlock(lock: ha->host->host_lock); |
1098 | |
1099 | qla1280_enable_intrs(ha); |
1100 | |
1101 | LEAVE_INTR("qla1280_intr_handler" ); |
1102 | return IRQ_RETVAL(handled); |
1103 | } |
1104 | |
1105 | |
1106 | static int |
1107 | qla1280_set_target_parameters(struct scsi_qla_host *ha, int bus, int target) |
1108 | { |
1109 | uint8_t mr; |
1110 | uint16_t mb[MAILBOX_REGISTER_COUNT]; |
1111 | struct nvram *nv; |
1112 | int status, lun; |
1113 | |
1114 | nv = &ha->nvram; |
1115 | |
1116 | mr = BIT_3 | BIT_2 | BIT_1 | BIT_0; |
1117 | |
1118 | /* Set Target Parameters. */ |
1119 | mb[0] = MBC_SET_TARGET_PARAMETERS; |
1120 | mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8); |
1121 | mb[2] = nv->bus[bus].target[target].parameter.renegotiate_on_error << 8; |
1122 | mb[2] |= nv->bus[bus].target[target].parameter.stop_queue_on_check << 9; |
1123 | mb[2] |= nv->bus[bus].target[target].parameter.auto_request_sense << 10; |
1124 | mb[2] |= nv->bus[bus].target[target].parameter.tag_queuing << 11; |
1125 | mb[2] |= nv->bus[bus].target[target].parameter.enable_sync << 12; |
1126 | mb[2] |= nv->bus[bus].target[target].parameter.enable_wide << 13; |
1127 | mb[2] |= nv->bus[bus].target[target].parameter.parity_checking << 14; |
1128 | mb[2] |= nv->bus[bus].target[target].parameter.disconnect_allowed << 15; |
1129 | |
1130 | if (IS_ISP1x160(ha)) { |
1131 | mb[2] |= nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr << 5; |
1132 | mb[3] = (nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8); |
1133 | mb[6] = (nv->bus[bus].target[target].ppr_1x160.flags.ppr_options << 8) | |
1134 | nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width; |
1135 | mr |= BIT_6; |
1136 | } else { |
1137 | mb[3] = (nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8); |
1138 | } |
1139 | mb[3] |= nv->bus[bus].target[target].sync_period; |
1140 | |
1141 | status = qla1280_mailbox_command(ha, mr, mb); |
1142 | |
1143 | /* Set Device Queue Parameters. */ |
1144 | for (lun = 0; lun < MAX_LUNS; lun++) { |
1145 | mb[0] = MBC_SET_DEVICE_QUEUE; |
1146 | mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8); |
1147 | mb[1] |= lun; |
1148 | mb[2] = nv->bus[bus].max_queue_depth; |
1149 | mb[3] = nv->bus[bus].target[target].execution_throttle; |
1150 | status |= qla1280_mailbox_command(ha, 0x0f, mb); |
1151 | } |
1152 | |
1153 | if (status) |
1154 | printk(KERN_WARNING "scsi(%ld:%i:%i): " |
1155 | "qla1280_set_target_parameters() failed\n" , |
1156 | ha->host_no, bus, target); |
1157 | return status; |
1158 | } |
1159 | |
1160 | |
1161 | /************************************************************************** |
1162 | * qla1280_slave_configure |
1163 | * |
1164 | * Description: |
1165 | * Determines the queue depth for a given device. There are two ways |
1166 | * a queue depth can be obtained for a tagged queueing device. One |
1167 | * way is the default queue depth which is determined by whether |
1168 | * If it is defined, then it is used |
1169 | * as the default queue depth. Otherwise, we use either 4 or 8 as the |
1170 | * default queue depth (dependent on the number of hardware SCBs). |
1171 | **************************************************************************/ |
1172 | static int |
1173 | qla1280_slave_configure(struct scsi_device *device) |
1174 | { |
1175 | struct scsi_qla_host *ha; |
1176 | int default_depth = 3; |
1177 | int bus = device->channel; |
1178 | int target = device->id; |
1179 | int status = 0; |
1180 | struct nvram *nv; |
1181 | unsigned long flags; |
1182 | |
1183 | ha = (struct scsi_qla_host *)device->host->hostdata; |
1184 | nv = &ha->nvram; |
1185 | |
1186 | if (qla1280_check_for_dead_scsi_bus(ha, bus)) |
1187 | return 1; |
1188 | |
1189 | if (device->tagged_supported && |
1190 | (ha->bus_settings[bus].qtag_enables & (BIT_0 << target))) { |
1191 | scsi_change_queue_depth(device, ha->bus_settings[bus].hiwat); |
1192 | } else { |
1193 | scsi_change_queue_depth(device, default_depth); |
1194 | } |
1195 | |
1196 | nv->bus[bus].target[target].parameter.enable_sync = device->sdtr; |
1197 | nv->bus[bus].target[target].parameter.enable_wide = device->wdtr; |
1198 | nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = device->ppr; |
1199 | |
1200 | if (driver_setup.no_sync || |
1201 | (driver_setup.sync_mask && |
1202 | (~driver_setup.sync_mask & (1 << target)))) |
1203 | nv->bus[bus].target[target].parameter.enable_sync = 0; |
1204 | if (driver_setup.no_wide || |
1205 | (driver_setup.wide_mask && |
1206 | (~driver_setup.wide_mask & (1 << target)))) |
1207 | nv->bus[bus].target[target].parameter.enable_wide = 0; |
1208 | if (IS_ISP1x160(ha)) { |
1209 | if (driver_setup.no_ppr || |
1210 | (driver_setup.ppr_mask && |
1211 | (~driver_setup.ppr_mask & (1 << target)))) |
1212 | nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 0; |
1213 | } |
1214 | |
1215 | spin_lock_irqsave(ha->host->host_lock, flags); |
1216 | if (nv->bus[bus].target[target].parameter.enable_sync) |
1217 | status = qla1280_set_target_parameters(ha, bus, target); |
1218 | qla1280_get_target_parameters(ha, device); |
1219 | spin_unlock_irqrestore(lock: ha->host->host_lock, flags); |
1220 | return status; |
1221 | } |
1222 | |
1223 | |
1224 | /* |
1225 | * qla1280_done |
1226 | * Process completed commands. |
1227 | * |
1228 | * Input: |
1229 | * ha = adapter block pointer. |
1230 | */ |
1231 | static void |
1232 | qla1280_done(struct scsi_qla_host *ha) |
1233 | { |
1234 | struct srb *sp; |
1235 | struct list_head *done_q; |
1236 | int bus, target; |
1237 | struct scsi_cmnd *cmd; |
1238 | |
1239 | ENTER("qla1280_done" ); |
1240 | |
1241 | done_q = &ha->done_q; |
1242 | |
1243 | while (!list_empty(head: done_q)) { |
1244 | sp = list_entry(done_q->next, struct srb, list); |
1245 | |
1246 | list_del(entry: &sp->list); |
1247 | |
1248 | cmd = sp->cmd; |
1249 | bus = SCSI_BUS_32(cmd); |
1250 | target = SCSI_TCN_32(cmd); |
1251 | |
1252 | switch ((CMD_RESULT(cmd) >> 16)) { |
1253 | case DID_RESET: |
1254 | /* Issue marker command. */ |
1255 | if (!ha->flags.abort_isp_active) |
1256 | qla1280_marker(ha, bus, target, 0, MK_SYNC_ID); |
1257 | break; |
1258 | case DID_ABORT: |
1259 | sp->flags &= ~SRB_ABORT_PENDING; |
1260 | sp->flags |= SRB_ABORTED; |
1261 | break; |
1262 | default: |
1263 | break; |
1264 | } |
1265 | |
1266 | /* Release memory used for this I/O */ |
1267 | scsi_dma_unmap(cmd); |
1268 | |
1269 | /* Call the mid-level driver interrupt handler */ |
1270 | ha->actthreads--; |
1271 | |
1272 | if (sp->wait == NULL) |
1273 | scsi_done(cmd); |
1274 | else |
1275 | complete(sp->wait); |
1276 | } |
1277 | LEAVE("qla1280_done" ); |
1278 | } |
1279 | |
1280 | /* |
1281 | * Translates a ISP error to a Linux SCSI error |
1282 | */ |
1283 | static int |
1284 | qla1280_return_status(struct response * sts, struct scsi_cmnd *cp) |
1285 | { |
1286 | int host_status = DID_ERROR; |
1287 | uint16_t comp_status = le16_to_cpu(sts->comp_status); |
1288 | uint16_t state_flags = le16_to_cpu(sts->state_flags); |
1289 | uint32_t residual_length = le32_to_cpu(sts->residual_length); |
1290 | uint16_t scsi_status = le16_to_cpu(sts->scsi_status); |
1291 | #if DEBUG_QLA1280_INTR |
1292 | static char *reason[] = { |
1293 | "DID_OK" , |
1294 | "DID_NO_CONNECT" , |
1295 | "DID_BUS_BUSY" , |
1296 | "DID_TIME_OUT" , |
1297 | "DID_BAD_TARGET" , |
1298 | "DID_ABORT" , |
1299 | "DID_PARITY" , |
1300 | "DID_ERROR" , |
1301 | "DID_RESET" , |
1302 | "DID_BAD_INTR" |
1303 | }; |
1304 | #endif /* DEBUG_QLA1280_INTR */ |
1305 | |
1306 | ENTER("qla1280_return_status" ); |
1307 | |
1308 | #if DEBUG_QLA1280_INTR |
1309 | /* |
1310 | dprintk(1, "qla1280_return_status: compl status = 0x%04x\n", |
1311 | comp_status); |
1312 | */ |
1313 | #endif |
1314 | |
1315 | switch (comp_status) { |
1316 | case CS_COMPLETE: |
1317 | host_status = DID_OK; |
1318 | break; |
1319 | |
1320 | case CS_INCOMPLETE: |
1321 | if (!(state_flags & SF_GOT_BUS)) |
1322 | host_status = DID_NO_CONNECT; |
1323 | else if (!(state_flags & SF_GOT_TARGET)) |
1324 | host_status = DID_BAD_TARGET; |
1325 | else if (!(state_flags & SF_SENT_CDB)) |
1326 | host_status = DID_ERROR; |
1327 | else if (!(state_flags & SF_TRANSFERRED_DATA)) |
1328 | host_status = DID_ERROR; |
1329 | else if (!(state_flags & SF_GOT_STATUS)) |
1330 | host_status = DID_ERROR; |
1331 | else if (!(state_flags & SF_GOT_SENSE)) |
1332 | host_status = DID_ERROR; |
1333 | break; |
1334 | |
1335 | case CS_RESET: |
1336 | host_status = DID_RESET; |
1337 | break; |
1338 | |
1339 | case CS_ABORTED: |
1340 | host_status = DID_ABORT; |
1341 | break; |
1342 | |
1343 | case CS_TIMEOUT: |
1344 | host_status = DID_TIME_OUT; |
1345 | break; |
1346 | |
1347 | case CS_DATA_OVERRUN: |
1348 | dprintk(2, "Data overrun 0x%x\n" , residual_length); |
1349 | dprintk(2, "qla1280_return_status: response packet data\n" ); |
1350 | qla1280_dump_buffer(2, (char *)sts, RESPONSE_ENTRY_SIZE); |
1351 | host_status = DID_ERROR; |
1352 | break; |
1353 | |
1354 | case CS_DATA_UNDERRUN: |
1355 | if ((scsi_bufflen(cmd: cp) - residual_length) < |
1356 | cp->underflow) { |
1357 | printk(KERN_WARNING |
1358 | "scsi: Underflow detected - retrying " |
1359 | "command.\n" ); |
1360 | host_status = DID_ERROR; |
1361 | } else { |
1362 | scsi_set_resid(cmd: cp, resid: residual_length); |
1363 | host_status = DID_OK; |
1364 | } |
1365 | break; |
1366 | |
1367 | default: |
1368 | host_status = DID_ERROR; |
1369 | break; |
1370 | } |
1371 | |
1372 | #if DEBUG_QLA1280_INTR |
1373 | dprintk(1, "qla1280 ISP status: host status (%s) scsi status %x\n" , |
1374 | reason[host_status], scsi_status); |
1375 | #endif |
1376 | |
1377 | LEAVE("qla1280_return_status" ); |
1378 | |
1379 | return (scsi_status & 0xff) | (host_status << 16); |
1380 | } |
1381 | |
1382 | /****************************************************************************/ |
1383 | /* QLogic ISP1280 Hardware Support Functions. */ |
1384 | /****************************************************************************/ |
1385 | |
1386 | /* |
1387 | * qla1280_initialize_adapter |
1388 | * Initialize board. |
1389 | * |
1390 | * Input: |
1391 | * ha = adapter block pointer. |
1392 | * |
1393 | * Returns: |
1394 | * 0 = success |
1395 | */ |
1396 | static int |
1397 | qla1280_initialize_adapter(struct scsi_qla_host *ha) |
1398 | { |
1399 | struct device_reg __iomem *reg; |
1400 | int status; |
1401 | int bus; |
1402 | unsigned long flags; |
1403 | |
1404 | ENTER("qla1280_initialize_adapter" ); |
1405 | |
1406 | /* Clear adapter flags. */ |
1407 | ha->flags.online = 0; |
1408 | ha->flags.disable_host_adapter = 0; |
1409 | ha->flags.reset_active = 0; |
1410 | ha->flags.abort_isp_active = 0; |
1411 | |
1412 | /* TODO: implement support for the 1040 nvram format */ |
1413 | if (IS_ISP1040(ha)) |
1414 | driver_setup.no_nvram = 1; |
1415 | |
1416 | dprintk(1, "Configure PCI space for adapter...\n" ); |
1417 | |
1418 | reg = ha->iobase; |
1419 | |
1420 | /* Insure mailbox registers are free. */ |
1421 | WRT_REG_WORD(®->semaphore, 0); |
1422 | WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT); |
1423 | WRT_REG_WORD(®->host_cmd, HC_CLR_HOST_INT); |
1424 | RD_REG_WORD(®->host_cmd); |
1425 | |
1426 | if (qla1280_read_nvram(ha)) { |
1427 | dprintk(2, "qla1280_initialize_adapter: failed to read " |
1428 | "NVRAM\n" ); |
1429 | } |
1430 | |
1431 | /* |
1432 | * It's necessary to grab the spin here as qla1280_mailbox_command |
1433 | * needs to be able to drop the lock unconditionally to wait |
1434 | * for completion. |
1435 | */ |
1436 | spin_lock_irqsave(ha->host->host_lock, flags); |
1437 | |
1438 | status = qla1280_load_firmware(ha); |
1439 | if (status) { |
1440 | printk(KERN_ERR "scsi(%li): initialize: pci probe failed!\n" , |
1441 | ha->host_no); |
1442 | goto out; |
1443 | } |
1444 | |
1445 | /* Setup adapter based on NVRAM parameters. */ |
1446 | dprintk(1, "scsi(%ld): Configure NVRAM parameters\n" , ha->host_no); |
1447 | qla1280_nvram_config(ha); |
1448 | |
1449 | if (ha->flags.disable_host_adapter) { |
1450 | status = 1; |
1451 | goto out; |
1452 | } |
1453 | |
1454 | status = qla1280_init_rings(ha); |
1455 | if (status) |
1456 | goto out; |
1457 | |
1458 | /* Issue SCSI reset, if we can't reset twice then bus is dead */ |
1459 | for (bus = 0; bus < ha->ports; bus++) { |
1460 | if (!ha->bus_settings[bus].disable_scsi_reset && |
1461 | qla1280_bus_reset(ha, bus) && |
1462 | qla1280_bus_reset(ha, bus)) |
1463 | ha->bus_settings[bus].scsi_bus_dead = 1; |
1464 | } |
1465 | |
1466 | ha->flags.online = 1; |
1467 | out: |
1468 | spin_unlock_irqrestore(lock: ha->host->host_lock, flags); |
1469 | |
1470 | if (status) |
1471 | dprintk(2, "qla1280_initialize_adapter: **** FAILED ****\n" ); |
1472 | |
1473 | LEAVE("qla1280_initialize_adapter" ); |
1474 | return status; |
1475 | } |
1476 | |
1477 | /* |
1478 | * qla1280_request_firmware |
1479 | * Acquire firmware for chip. Retain in memory |
1480 | * for error recovery. |
1481 | * |
1482 | * Input: |
1483 | * ha = adapter block pointer. |
1484 | * |
1485 | * Returns: |
1486 | * Pointer to firmware image or an error code |
1487 | * cast to pointer via ERR_PTR(). |
1488 | */ |
1489 | static const struct firmware * |
1490 | qla1280_request_firmware(struct scsi_qla_host *ha) |
1491 | { |
1492 | const struct firmware *fw; |
1493 | int err; |
1494 | int index; |
1495 | char *fwname; |
1496 | |
1497 | spin_unlock_irq(lock: ha->host->host_lock); |
1498 | mutex_lock(&qla1280_firmware_mutex); |
1499 | |
1500 | index = ql1280_board_tbl[ha->devnum].fw_index; |
1501 | fw = qla1280_fw_tbl[index].fw; |
1502 | if (fw) |
1503 | goto out; |
1504 | |
1505 | fwname = qla1280_fw_tbl[index].fwname; |
1506 | err = request_firmware(fw: &fw, name: fwname, device: &ha->pdev->dev); |
1507 | |
1508 | if (err) { |
1509 | printk(KERN_ERR "Failed to load image \"%s\" err %d\n" , |
1510 | fwname, err); |
1511 | fw = ERR_PTR(error: err); |
1512 | goto unlock; |
1513 | } |
1514 | if ((fw->size % 2) || (fw->size < 6)) { |
1515 | printk(KERN_ERR "Invalid firmware length %zu in image \"%s\"\n" , |
1516 | fw->size, fwname); |
1517 | release_firmware(fw); |
1518 | fw = ERR_PTR(error: -EINVAL); |
1519 | goto unlock; |
1520 | } |
1521 | |
1522 | qla1280_fw_tbl[index].fw = fw; |
1523 | |
1524 | out: |
1525 | ha->fwver1 = fw->data[0]; |
1526 | ha->fwver2 = fw->data[1]; |
1527 | ha->fwver3 = fw->data[2]; |
1528 | unlock: |
1529 | mutex_unlock(lock: &qla1280_firmware_mutex); |
1530 | spin_lock_irq(lock: ha->host->host_lock); |
1531 | return fw; |
1532 | } |
1533 | |
1534 | /* |
1535 | * Chip diagnostics |
1536 | * Test chip for proper operation. |
1537 | * |
1538 | * Input: |
1539 | * ha = adapter block pointer. |
1540 | * |
1541 | * Returns: |
1542 | * 0 = success. |
1543 | */ |
1544 | static int |
1545 | qla1280_chip_diag(struct scsi_qla_host *ha) |
1546 | { |
1547 | uint16_t mb[MAILBOX_REGISTER_COUNT]; |
1548 | struct device_reg __iomem *reg = ha->iobase; |
1549 | int status = 0; |
1550 | int cnt; |
1551 | uint16_t data; |
1552 | dprintk(3, "qla1280_chip_diag: testing device at 0x%p \n" , ®->id_l); |
1553 | |
1554 | dprintk(1, "scsi(%ld): Verifying chip\n" , ha->host_no); |
1555 | |
1556 | /* Soft reset chip and wait for it to finish. */ |
1557 | WRT_REG_WORD(®->ictrl, ISP_RESET); |
1558 | |
1559 | /* |
1560 | * We can't do a traditional PCI write flush here by reading |
1561 | * back the register. The card will not respond once the reset |
1562 | * is in action and we end up with a machine check exception |
1563 | * instead. Nothing to do but wait and hope for the best. |
1564 | * A portable pci_write_flush(pdev) call would be very useful here. |
1565 | */ |
1566 | udelay(20); |
1567 | data = qla1280_debounce_register(®->ictrl); |
1568 | /* |
1569 | * Yet another QLogic gem ;-( |
1570 | */ |
1571 | for (cnt = 1000000; cnt && data & ISP_RESET; cnt--) { |
1572 | udelay(5); |
1573 | data = RD_REG_WORD(®->ictrl); |
1574 | } |
1575 | |
1576 | if (!cnt) |
1577 | goto fail; |
1578 | |
1579 | /* Reset register cleared by chip reset. */ |
1580 | dprintk(3, "qla1280_chip_diag: reset register cleared by chip reset\n" ); |
1581 | |
1582 | WRT_REG_WORD(®->cfg_1, 0); |
1583 | |
1584 | /* Reset RISC and disable BIOS which |
1585 | allows RISC to execute out of RAM. */ |
1586 | WRT_REG_WORD(®->host_cmd, HC_RESET_RISC | |
1587 | HC_RELEASE_RISC | HC_DISABLE_BIOS); |
1588 | |
1589 | RD_REG_WORD(®->id_l); /* Flush PCI write */ |
1590 | data = qla1280_debounce_register(®->mailbox0); |
1591 | |
1592 | /* |
1593 | * I *LOVE* this code! |
1594 | */ |
1595 | for (cnt = 1000000; cnt && data == MBS_BUSY; cnt--) { |
1596 | udelay(5); |
1597 | data = RD_REG_WORD(®->mailbox0); |
1598 | } |
1599 | |
1600 | if (!cnt) |
1601 | goto fail; |
1602 | |
1603 | /* Check product ID of chip */ |
1604 | dprintk(3, "qla1280_chip_diag: Checking product ID of chip\n" ); |
1605 | |
1606 | if (RD_REG_WORD(®->mailbox1) != PROD_ID_1 || |
1607 | (RD_REG_WORD(®->mailbox2) != PROD_ID_2 && |
1608 | RD_REG_WORD(®->mailbox2) != PROD_ID_2a) || |
1609 | RD_REG_WORD(®->mailbox3) != PROD_ID_3 || |
1610 | RD_REG_WORD(®->mailbox4) != PROD_ID_4) { |
1611 | printk(KERN_INFO "qla1280: Wrong product ID = " |
1612 | "0x%x,0x%x,0x%x,0x%x\n" , |
1613 | RD_REG_WORD(®->mailbox1), |
1614 | RD_REG_WORD(®->mailbox2), |
1615 | RD_REG_WORD(®->mailbox3), |
1616 | RD_REG_WORD(®->mailbox4)); |
1617 | goto fail; |
1618 | } |
1619 | |
1620 | /* |
1621 | * Enable ints early!!! |
1622 | */ |
1623 | qla1280_enable_intrs(ha); |
1624 | |
1625 | dprintk(1, "qla1280_chip_diag: Checking mailboxes of chip\n" ); |
1626 | /* Wrap Incoming Mailboxes Test. */ |
1627 | mb[0] = MBC_MAILBOX_REGISTER_TEST; |
1628 | mb[1] = 0xAAAA; |
1629 | mb[2] = 0x5555; |
1630 | mb[3] = 0xAA55; |
1631 | mb[4] = 0x55AA; |
1632 | mb[5] = 0xA5A5; |
1633 | mb[6] = 0x5A5A; |
1634 | mb[7] = 0x2525; |
1635 | |
1636 | status = qla1280_mailbox_command(ha, 0xff, mb); |
1637 | if (status) |
1638 | goto fail; |
1639 | |
1640 | if (mb[1] != 0xAAAA || mb[2] != 0x5555 || mb[3] != 0xAA55 || |
1641 | mb[4] != 0x55AA || mb[5] != 0xA5A5 || mb[6] != 0x5A5A || |
1642 | mb[7] != 0x2525) { |
1643 | printk(KERN_INFO "qla1280: Failed mbox check\n" ); |
1644 | goto fail; |
1645 | } |
1646 | |
1647 | dprintk(3, "qla1280_chip_diag: exiting normally\n" ); |
1648 | return 0; |
1649 | fail: |
1650 | dprintk(2, "qla1280_chip_diag: **** FAILED ****\n" ); |
1651 | return status; |
1652 | } |
1653 | |
1654 | static int |
1655 | qla1280_load_firmware_pio(struct scsi_qla_host *ha) |
1656 | { |
1657 | /* enter with host_lock acquired */ |
1658 | |
1659 | const struct firmware *fw; |
1660 | const __le16 *fw_data; |
1661 | uint16_t risc_address, risc_code_size; |
1662 | uint16_t mb[MAILBOX_REGISTER_COUNT], i; |
1663 | int err = 0; |
1664 | |
1665 | fw = qla1280_request_firmware(ha); |
1666 | if (IS_ERR(ptr: fw)) |
1667 | return PTR_ERR(ptr: fw); |
1668 | |
1669 | fw_data = (const __le16 *)&fw->data[0]; |
1670 | ha->fwstart = __le16_to_cpu(fw_data[2]); |
1671 | |
1672 | /* Load RISC code. */ |
1673 | risc_address = ha->fwstart; |
1674 | fw_data = (const __le16 *)&fw->data[6]; |
1675 | risc_code_size = (fw->size - 6) / 2; |
1676 | |
1677 | for (i = 0; i < risc_code_size; i++) { |
1678 | mb[0] = MBC_WRITE_RAM_WORD; |
1679 | mb[1] = risc_address + i; |
1680 | mb[2] = __le16_to_cpu(fw_data[i]); |
1681 | |
1682 | err = qla1280_mailbox_command(ha, BIT_0 | BIT_1 | BIT_2, mb); |
1683 | if (err) { |
1684 | printk(KERN_ERR "scsi(%li): Failed to load firmware\n" , |
1685 | ha->host_no); |
1686 | break; |
1687 | } |
1688 | } |
1689 | |
1690 | return err; |
1691 | } |
1692 | |
1693 | #ifdef QLA_64BIT_PTR |
1694 | #define LOAD_CMD MBC_LOAD_RAM_A64_ROM |
1695 | #define DUMP_CMD MBC_DUMP_RAM_A64_ROM |
1696 | #define CMD_ARGS (BIT_7 | BIT_6 | BIT_4 | BIT_3 | BIT_2 | BIT_1 | BIT_0) |
1697 | #else |
1698 | #define LOAD_CMD MBC_LOAD_RAM |
1699 | #define DUMP_CMD MBC_DUMP_RAM |
1700 | #define CMD_ARGS (BIT_4 | BIT_3 | BIT_2 | BIT_1 | BIT_0) |
1701 | #endif |
1702 | |
1703 | #define DUMP_IT_BACK 0 /* for debug of RISC loading */ |
1704 | static int |
1705 | qla1280_load_firmware_dma(struct scsi_qla_host *ha) |
1706 | { |
1707 | /* enter with host_lock acquired */ |
1708 | const struct firmware *fw; |
1709 | const __le16 *fw_data; |
1710 | uint16_t risc_address, risc_code_size; |
1711 | uint16_t mb[MAILBOX_REGISTER_COUNT], cnt; |
1712 | int err = 0, num, i; |
1713 | #if DUMP_IT_BACK |
1714 | uint8_t *sp, *tbuf; |
1715 | dma_addr_t p_tbuf; |
1716 | |
1717 | tbuf = dma_alloc_coherent(&ha->pdev->dev, 8000, &p_tbuf, GFP_KERNEL); |
1718 | if (!tbuf) |
1719 | return -ENOMEM; |
1720 | #endif |
1721 | |
1722 | fw = qla1280_request_firmware(ha); |
1723 | if (IS_ERR(ptr: fw)) |
1724 | return PTR_ERR(ptr: fw); |
1725 | |
1726 | fw_data = (const __le16 *)&fw->data[0]; |
1727 | ha->fwstart = __le16_to_cpu(fw_data[2]); |
1728 | |
1729 | /* Load RISC code. */ |
1730 | risc_address = ha->fwstart; |
1731 | fw_data = (const __le16 *)&fw->data[6]; |
1732 | risc_code_size = (fw->size - 6) / 2; |
1733 | |
1734 | dprintk(1, "%s: DMA RISC code (%i) words\n" , |
1735 | __func__, risc_code_size); |
1736 | |
1737 | num = 0; |
1738 | while (risc_code_size > 0) { |
1739 | int warn __attribute__((unused)) = 0; |
1740 | |
1741 | cnt = 2000 >> 1; |
1742 | |
1743 | if (cnt > risc_code_size) |
1744 | cnt = risc_code_size; |
1745 | |
1746 | dprintk(2, "qla1280_setup_chip: loading risc @ =(0x%p)," |
1747 | "%d,%d(0x%x)\n" , |
1748 | fw_data, cnt, num, risc_address); |
1749 | for(i = 0; i < cnt; i++) |
1750 | ((__le16 *)ha->request_ring)[i] = fw_data[i]; |
1751 | |
1752 | mb[0] = LOAD_CMD; |
1753 | mb[1] = risc_address; |
1754 | mb[4] = cnt; |
1755 | mb[3] = ha->request_dma & 0xffff; |
1756 | mb[2] = (ha->request_dma >> 16) & 0xffff; |
1757 | mb[7] = upper_32_bits(ha->request_dma) & 0xffff; |
1758 | mb[6] = upper_32_bits(ha->request_dma) >> 16; |
1759 | dprintk(2, "%s: op=%d 0x%p = 0x%4x,0x%4x,0x%4x,0x%4x\n" , |
1760 | __func__, mb[0], |
1761 | (void *)(long)ha->request_dma, |
1762 | mb[6], mb[7], mb[2], mb[3]); |
1763 | err = qla1280_mailbox_command(ha, CMD_ARGS, 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] = DUMP_CMD; |
1772 | mb[1] = risc_address; |
1773 | mb[4] = cnt; |
1774 | mb[3] = p_tbuf & 0xffff; |
1775 | mb[2] = (p_tbuf >> 16) & 0xffff; |
1776 | mb[7] = upper_32_bits(p_tbuf) & 0xffff; |
1777 | mb[6] = upper_32_bits(p_tbuf) >> 16; |
1778 | |
1779 | err = qla1280_mailbox_command(ha, CMD_ARGS, mb); |
1780 | if (err) { |
1781 | printk(KERN_ERR |
1782 | "Failed to dump partial segment of f/w\n" ); |
1783 | goto out; |
1784 | } |
1785 | sp = (uint8_t *)ha->request_ring; |
1786 | for (i = 0; i < (cnt << 1); i++) { |
1787 | if (tbuf[i] != sp[i] && warn++ < 10) { |
1788 | printk(KERN_ERR "%s: FW compare error @ " |
1789 | "byte(0x%x) loop#=%x\n" , |
1790 | __func__, i, num); |
1791 | printk(KERN_ERR "%s: FWbyte=%x " |
1792 | "FWfromChip=%x\n" , |
1793 | __func__, sp[i], tbuf[i]); |
1794 | /*break; */ |
1795 | } |
1796 | } |
1797 | #endif |
1798 | risc_address += cnt; |
1799 | risc_code_size = risc_code_size - cnt; |
1800 | fw_data = fw_data + cnt; |
1801 | num++; |
1802 | } |
1803 | |
1804 | out: |
1805 | #if DUMP_IT_BACK |
1806 | dma_free_coherent(&ha->pdev->dev, 8000, tbuf, p_tbuf); |
1807 | #endif |
1808 | return err; |
1809 | } |
1810 | |
1811 | static int |
1812 | qla1280_start_firmware(struct scsi_qla_host *ha) |
1813 | { |
1814 | uint16_t mb[MAILBOX_REGISTER_COUNT]; |
1815 | int err; |
1816 | |
1817 | dprintk(1, "%s: Verifying checksum of loaded RISC code.\n" , |
1818 | __func__); |
1819 | |
1820 | /* Verify checksum of loaded RISC code. */ |
1821 | mb[0] = MBC_VERIFY_CHECKSUM; |
1822 | /* mb[1] = ql12_risc_code_addr01; */ |
1823 | mb[1] = ha->fwstart; |
1824 | err = qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); |
1825 | if (err) { |
1826 | printk(KERN_ERR "scsi(%li): RISC checksum failed.\n" , ha->host_no); |
1827 | return err; |
1828 | } |
1829 | |
1830 | /* Start firmware execution. */ |
1831 | dprintk(1, "%s: start firmware running.\n" , __func__); |
1832 | mb[0] = MBC_EXECUTE_FIRMWARE; |
1833 | mb[1] = ha->fwstart; |
1834 | err = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); |
1835 | if (err) { |
1836 | printk(KERN_ERR "scsi(%li): Failed to start firmware\n" , |
1837 | ha->host_no); |
1838 | } |
1839 | |
1840 | return err; |
1841 | } |
1842 | |
1843 | static int |
1844 | qla1280_load_firmware(struct scsi_qla_host *ha) |
1845 | { |
1846 | /* enter with host_lock taken */ |
1847 | int err; |
1848 | |
1849 | err = qla1280_chip_diag(ha); |
1850 | if (err) |
1851 | goto out; |
1852 | if (IS_ISP1040(ha)) |
1853 | err = qla1280_load_firmware_pio(ha); |
1854 | else |
1855 | err = qla1280_load_firmware_dma(ha); |
1856 | if (err) |
1857 | goto out; |
1858 | err = qla1280_start_firmware(ha); |
1859 | out: |
1860 | return err; |
1861 | } |
1862 | |
1863 | /* |
1864 | * Initialize rings |
1865 | * |
1866 | * Input: |
1867 | * ha = adapter block pointer. |
1868 | * ha->request_ring = request ring virtual address |
1869 | * ha->response_ring = response ring virtual address |
1870 | * ha->request_dma = request ring physical address |
1871 | * ha->response_dma = response ring physical address |
1872 | * |
1873 | * Returns: |
1874 | * 0 = success. |
1875 | */ |
1876 | static int |
1877 | qla1280_init_rings(struct scsi_qla_host *ha) |
1878 | { |
1879 | uint16_t mb[MAILBOX_REGISTER_COUNT]; |
1880 | int status = 0; |
1881 | |
1882 | ENTER("qla1280_init_rings" ); |
1883 | |
1884 | /* Clear outstanding commands array. */ |
1885 | memset(ha->outstanding_cmds, 0, |
1886 | sizeof(struct srb *) * MAX_OUTSTANDING_COMMANDS); |
1887 | |
1888 | /* Initialize request queue. */ |
1889 | ha->request_ring_ptr = ha->request_ring; |
1890 | ha->req_ring_index = 0; |
1891 | ha->req_q_cnt = REQUEST_ENTRY_CNT; |
1892 | /* mb[0] = MBC_INIT_REQUEST_QUEUE; */ |
1893 | mb[0] = MBC_INIT_REQUEST_QUEUE_A64; |
1894 | mb[1] = REQUEST_ENTRY_CNT; |
1895 | mb[3] = ha->request_dma & 0xffff; |
1896 | mb[2] = (ha->request_dma >> 16) & 0xffff; |
1897 | mb[4] = 0; |
1898 | mb[7] = upper_32_bits(ha->request_dma) & 0xffff; |
1899 | mb[6] = upper_32_bits(ha->request_dma) >> 16; |
1900 | if (!(status = qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_4 | |
1901 | BIT_3 | BIT_2 | BIT_1 | BIT_0, |
1902 | &mb[0]))) { |
1903 | /* Initialize response queue. */ |
1904 | ha->response_ring_ptr = ha->response_ring; |
1905 | ha->rsp_ring_index = 0; |
1906 | /* mb[0] = MBC_INIT_RESPONSE_QUEUE; */ |
1907 | mb[0] = MBC_INIT_RESPONSE_QUEUE_A64; |
1908 | mb[1] = RESPONSE_ENTRY_CNT; |
1909 | mb[3] = ha->response_dma & 0xffff; |
1910 | mb[2] = (ha->response_dma >> 16) & 0xffff; |
1911 | mb[5] = 0; |
1912 | mb[7] = upper_32_bits(ha->response_dma) & 0xffff; |
1913 | mb[6] = upper_32_bits(ha->response_dma) >> 16; |
1914 | status = qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_5 | |
1915 | BIT_3 | BIT_2 | BIT_1 | BIT_0, |
1916 | &mb[0]); |
1917 | } |
1918 | |
1919 | if (status) |
1920 | dprintk(2, "qla1280_init_rings: **** FAILED ****\n" ); |
1921 | |
1922 | LEAVE("qla1280_init_rings" ); |
1923 | return status; |
1924 | } |
1925 | |
1926 | static void |
1927 | qla1280_print_settings(struct nvram *nv) |
1928 | { |
1929 | dprintk(1, "qla1280 : initiator scsi id bus[0]=%d\n" , |
1930 | nv->bus[0].config_1.initiator_id); |
1931 | dprintk(1, "qla1280 : initiator scsi id bus[1]=%d\n" , |
1932 | nv->bus[1].config_1.initiator_id); |
1933 | |
1934 | dprintk(1, "qla1280 : bus reset delay[0]=%d\n" , |
1935 | nv->bus[0].bus_reset_delay); |
1936 | dprintk(1, "qla1280 : bus reset delay[1]=%d\n" , |
1937 | nv->bus[1].bus_reset_delay); |
1938 | |
1939 | dprintk(1, "qla1280 : retry count[0]=%d\n" , nv->bus[0].retry_count); |
1940 | dprintk(1, "qla1280 : retry delay[0]=%d\n" , nv->bus[0].retry_delay); |
1941 | dprintk(1, "qla1280 : retry count[1]=%d\n" , nv->bus[1].retry_count); |
1942 | dprintk(1, "qla1280 : retry delay[1]=%d\n" , nv->bus[1].retry_delay); |
1943 | |
1944 | dprintk(1, "qla1280 : async data setup time[0]=%d\n" , |
1945 | nv->bus[0].config_2.async_data_setup_time); |
1946 | dprintk(1, "qla1280 : async data setup time[1]=%d\n" , |
1947 | nv->bus[1].config_2.async_data_setup_time); |
1948 | |
1949 | dprintk(1, "qla1280 : req/ack active negation[0]=%d\n" , |
1950 | nv->bus[0].config_2.req_ack_active_negation); |
1951 | dprintk(1, "qla1280 : req/ack active negation[1]=%d\n" , |
1952 | nv->bus[1].config_2.req_ack_active_negation); |
1953 | |
1954 | dprintk(1, "qla1280 : data line active negation[0]=%d\n" , |
1955 | nv->bus[0].config_2.data_line_active_negation); |
1956 | dprintk(1, "qla1280 : data line active negation[1]=%d\n" , |
1957 | nv->bus[1].config_2.data_line_active_negation); |
1958 | |
1959 | dprintk(1, "qla1280 : disable loading risc code=%d\n" , |
1960 | nv->cntr_flags_1.disable_loading_risc_code); |
1961 | |
1962 | dprintk(1, "qla1280 : enable 64bit addressing=%d\n" , |
1963 | nv->cntr_flags_1.enable_64bit_addressing); |
1964 | |
1965 | dprintk(1, "qla1280 : selection timeout limit[0]=%d\n" , |
1966 | nv->bus[0].selection_timeout); |
1967 | dprintk(1, "qla1280 : selection timeout limit[1]=%d\n" , |
1968 | nv->bus[1].selection_timeout); |
1969 | |
1970 | dprintk(1, "qla1280 : max queue depth[0]=%d\n" , |
1971 | nv->bus[0].max_queue_depth); |
1972 | dprintk(1, "qla1280 : max queue depth[1]=%d\n" , |
1973 | nv->bus[1].max_queue_depth); |
1974 | } |
1975 | |
1976 | static void |
1977 | qla1280_set_target_defaults(struct scsi_qla_host *ha, int bus, int target) |
1978 | { |
1979 | struct nvram *nv = &ha->nvram; |
1980 | |
1981 | nv->bus[bus].target[target].parameter.renegotiate_on_error = 1; |
1982 | nv->bus[bus].target[target].parameter.auto_request_sense = 1; |
1983 | nv->bus[bus].target[target].parameter.tag_queuing = 1; |
1984 | nv->bus[bus].target[target].parameter.enable_sync = 1; |
1985 | #if 1 /* Some SCSI Processors do not seem to like this */ |
1986 | nv->bus[bus].target[target].parameter.enable_wide = 1; |
1987 | #endif |
1988 | nv->bus[bus].target[target].execution_throttle = |
1989 | nv->bus[bus].max_queue_depth - 1; |
1990 | nv->bus[bus].target[target].parameter.parity_checking = 1; |
1991 | nv->bus[bus].target[target].parameter.disconnect_allowed = 1; |
1992 | |
1993 | if (IS_ISP1x160(ha)) { |
1994 | nv->bus[bus].target[target].flags.flags1x160.device_enable = 1; |
1995 | nv->bus[bus].target[target].flags.flags1x160.sync_offset = 0x0e; |
1996 | nv->bus[bus].target[target].sync_period = 9; |
1997 | nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 1; |
1998 | nv->bus[bus].target[target].ppr_1x160.flags.ppr_options = 2; |
1999 | nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width = 1; |
2000 | } else { |
2001 | nv->bus[bus].target[target].flags.flags1x80.device_enable = 1; |
2002 | nv->bus[bus].target[target].flags.flags1x80.sync_offset = 12; |
2003 | nv->bus[bus].target[target].sync_period = 10; |
2004 | } |
2005 | } |
2006 | |
2007 | static void |
2008 | qla1280_set_defaults(struct scsi_qla_host *ha) |
2009 | { |
2010 | struct nvram *nv = &ha->nvram; |
2011 | int bus, target; |
2012 | |
2013 | dprintk(1, "Using defaults for NVRAM: \n" ); |
2014 | memset(nv, 0, sizeof(struct nvram)); |
2015 | |
2016 | /* nv->cntr_flags_1.disable_loading_risc_code = 1; */ |
2017 | nv->firmware_feature.f.enable_fast_posting = 1; |
2018 | nv->firmware_feature.f.disable_synchronous_backoff = 1; |
2019 | nv->termination.scsi_bus_0_control = 3; |
2020 | nv->termination.scsi_bus_1_control = 3; |
2021 | nv->termination.auto_term_support = 1; |
2022 | |
2023 | /* |
2024 | * Set default FIFO magic - What appropriate values would be here |
2025 | * is unknown. This is what I have found testing with 12160s. |
2026 | * |
2027 | * Now, I would love the magic decoder ring for this one, the |
2028 | * header file provided by QLogic seems to be bogus or incomplete |
2029 | * at best. |
2030 | */ |
2031 | nv->isp_config.burst_enable = 1; |
2032 | if (IS_ISP1040(ha)) |
2033 | nv->isp_config.fifo_threshold |= 3; |
2034 | else |
2035 | nv->isp_config.fifo_threshold |= 4; |
2036 | |
2037 | if (IS_ISP1x160(ha)) |
2038 | nv->isp_parameter = 0x01; /* fast memory enable */ |
2039 | |
2040 | for (bus = 0; bus < MAX_BUSES; bus++) { |
2041 | nv->bus[bus].config_1.initiator_id = 7; |
2042 | nv->bus[bus].config_2.req_ack_active_negation = 1; |
2043 | nv->bus[bus].config_2.data_line_active_negation = 1; |
2044 | nv->bus[bus].selection_timeout = 250; |
2045 | nv->bus[bus].max_queue_depth = 32; |
2046 | |
2047 | if (IS_ISP1040(ha)) { |
2048 | nv->bus[bus].bus_reset_delay = 3; |
2049 | nv->bus[bus].config_2.async_data_setup_time = 6; |
2050 | nv->bus[bus].retry_delay = 1; |
2051 | } else { |
2052 | nv->bus[bus].bus_reset_delay = 5; |
2053 | nv->bus[bus].config_2.async_data_setup_time = 8; |
2054 | } |
2055 | |
2056 | for (target = 0; target < MAX_TARGETS; target++) |
2057 | qla1280_set_target_defaults(ha, bus, target); |
2058 | } |
2059 | } |
2060 | |
2061 | static int |
2062 | qla1280_config_target(struct scsi_qla_host *ha, int bus, int target) |
2063 | { |
2064 | struct nvram *nv = &ha->nvram; |
2065 | uint16_t mb[MAILBOX_REGISTER_COUNT]; |
2066 | int status, lun; |
2067 | uint16_t flag; |
2068 | |
2069 | /* Set Target Parameters. */ |
2070 | mb[0] = MBC_SET_TARGET_PARAMETERS; |
2071 | mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8); |
2072 | |
2073 | /* |
2074 | * Do not enable sync and ppr for the initial INQUIRY run. We |
2075 | * enable this later if we determine the target actually |
2076 | * supports it. |
2077 | */ |
2078 | mb[2] = (TP_RENEGOTIATE | TP_AUTO_REQUEST_SENSE | TP_TAGGED_QUEUE |
2079 | | TP_WIDE | TP_PARITY | TP_DISCONNECT); |
2080 | |
2081 | if (IS_ISP1x160(ha)) |
2082 | mb[3] = nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8; |
2083 | else |
2084 | mb[3] = nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8; |
2085 | mb[3] |= nv->bus[bus].target[target].sync_period; |
2086 | status = qla1280_mailbox_command(ha, 0x0f, mb); |
2087 | |
2088 | /* Save Tag queuing enable flag. */ |
2089 | flag = (BIT_0 << target); |
2090 | if (nv->bus[bus].target[target].parameter.tag_queuing) |
2091 | ha->bus_settings[bus].qtag_enables |= flag; |
2092 | |
2093 | /* Save Device enable flag. */ |
2094 | if (IS_ISP1x160(ha)) { |
2095 | if (nv->bus[bus].target[target].flags.flags1x160.device_enable) |
2096 | ha->bus_settings[bus].device_enables |= flag; |
2097 | ha->bus_settings[bus].lun_disables |= 0; |
2098 | } else { |
2099 | if (nv->bus[bus].target[target].flags.flags1x80.device_enable) |
2100 | ha->bus_settings[bus].device_enables |= flag; |
2101 | /* Save LUN disable flag. */ |
2102 | if (nv->bus[bus].target[target].flags.flags1x80.lun_disable) |
2103 | ha->bus_settings[bus].lun_disables |= flag; |
2104 | } |
2105 | |
2106 | /* Set Device Queue Parameters. */ |
2107 | for (lun = 0; lun < MAX_LUNS; lun++) { |
2108 | mb[0] = MBC_SET_DEVICE_QUEUE; |
2109 | mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8); |
2110 | mb[1] |= lun; |
2111 | mb[2] = nv->bus[bus].max_queue_depth; |
2112 | mb[3] = nv->bus[bus].target[target].execution_throttle; |
2113 | status |= qla1280_mailbox_command(ha, 0x0f, mb); |
2114 | } |
2115 | |
2116 | return status; |
2117 | } |
2118 | |
2119 | static int |
2120 | qla1280_config_bus(struct scsi_qla_host *ha, int bus) |
2121 | { |
2122 | struct nvram *nv = &ha->nvram; |
2123 | uint16_t mb[MAILBOX_REGISTER_COUNT]; |
2124 | int target, status; |
2125 | |
2126 | /* SCSI Reset Disable. */ |
2127 | ha->bus_settings[bus].disable_scsi_reset = |
2128 | nv->bus[bus].config_1.scsi_reset_disable; |
2129 | |
2130 | /* Initiator ID. */ |
2131 | ha->bus_settings[bus].id = nv->bus[bus].config_1.initiator_id; |
2132 | mb[0] = MBC_SET_INITIATOR_ID; |
2133 | mb[1] = bus ? ha->bus_settings[bus].id | BIT_7 : |
2134 | ha->bus_settings[bus].id; |
2135 | status = qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); |
2136 | |
2137 | /* Reset Delay. */ |
2138 | ha->bus_settings[bus].bus_reset_delay = |
2139 | nv->bus[bus].bus_reset_delay; |
2140 | |
2141 | /* Command queue depth per device. */ |
2142 | ha->bus_settings[bus].hiwat = nv->bus[bus].max_queue_depth - 1; |
2143 | |
2144 | /* Set target parameters. */ |
2145 | for (target = 0; target < MAX_TARGETS; target++) |
2146 | status |= qla1280_config_target(ha, bus, target); |
2147 | |
2148 | return status; |
2149 | } |
2150 | |
2151 | static int |
2152 | qla1280_nvram_config(struct scsi_qla_host *ha) |
2153 | { |
2154 | struct device_reg __iomem *reg = ha->iobase; |
2155 | struct nvram *nv = &ha->nvram; |
2156 | int bus, target, status = 0; |
2157 | uint16_t mb[MAILBOX_REGISTER_COUNT]; |
2158 | |
2159 | ENTER("qla1280_nvram_config" ); |
2160 | |
2161 | if (ha->nvram_valid) { |
2162 | /* Always force AUTO sense for LINUX SCSI */ |
2163 | for (bus = 0; bus < MAX_BUSES; bus++) |
2164 | for (target = 0; target < MAX_TARGETS; target++) { |
2165 | nv->bus[bus].target[target].parameter. |
2166 | auto_request_sense = 1; |
2167 | } |
2168 | } else { |
2169 | qla1280_set_defaults(ha); |
2170 | } |
2171 | |
2172 | qla1280_print_settings(nv); |
2173 | |
2174 | /* Disable RISC load of firmware. */ |
2175 | ha->flags.disable_risc_code_load = |
2176 | nv->cntr_flags_1.disable_loading_risc_code; |
2177 | |
2178 | if (IS_ISP1040(ha)) { |
2179 | uint16_t hwrev, cfg1, cdma_conf; |
2180 | |
2181 | hwrev = RD_REG_WORD(®->cfg_0) & ISP_CFG0_HWMSK; |
2182 | |
2183 | cfg1 = RD_REG_WORD(®->cfg_1) & ~(BIT_4 | BIT_5 | BIT_6); |
2184 | cdma_conf = RD_REG_WORD(®->cdma_cfg); |
2185 | |
2186 | /* Busted fifo, says mjacob. */ |
2187 | if (hwrev != ISP_CFG0_1040A) |
2188 | cfg1 |= nv->isp_config.fifo_threshold << 4; |
2189 | |
2190 | cfg1 |= nv->isp_config.burst_enable << 2; |
2191 | WRT_REG_WORD(®->cfg_1, cfg1); |
2192 | |
2193 | WRT_REG_WORD(®->cdma_cfg, cdma_conf | CDMA_CONF_BENAB); |
2194 | WRT_REG_WORD(®->ddma_cfg, cdma_conf | DDMA_CONF_BENAB); |
2195 | } else { |
2196 | uint16_t cfg1, term; |
2197 | |
2198 | /* Set ISP hardware DMA burst */ |
2199 | cfg1 = nv->isp_config.fifo_threshold << 4; |
2200 | cfg1 |= nv->isp_config.burst_enable << 2; |
2201 | /* Enable DMA arbitration on dual channel controllers */ |
2202 | if (ha->ports > 1) |
2203 | cfg1 |= BIT_13; |
2204 | WRT_REG_WORD(®->cfg_1, cfg1); |
2205 | |
2206 | /* Set SCSI termination. */ |
2207 | WRT_REG_WORD(®->gpio_enable, |
2208 | BIT_7 | BIT_3 | BIT_2 | BIT_1 | BIT_0); |
2209 | term = nv->termination.scsi_bus_1_control; |
2210 | term |= nv->termination.scsi_bus_0_control << 2; |
2211 | term |= nv->termination.auto_term_support << 7; |
2212 | RD_REG_WORD(®->id_l); /* Flush PCI write */ |
2213 | WRT_REG_WORD(®->gpio_data, term); |
2214 | } |
2215 | RD_REG_WORD(®->id_l); /* Flush PCI write */ |
2216 | |
2217 | /* ISP parameter word. */ |
2218 | mb[0] = MBC_SET_SYSTEM_PARAMETER; |
2219 | mb[1] = nv->isp_parameter; |
2220 | status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); |
2221 | |
2222 | if (IS_ISP1x40(ha)) { |
2223 | /* clock rate - for qla1240 and older, only */ |
2224 | mb[0] = MBC_SET_CLOCK_RATE; |
2225 | mb[1] = 40; |
2226 | status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); |
2227 | } |
2228 | |
2229 | /* Firmware feature word. */ |
2230 | mb[0] = MBC_SET_FIRMWARE_FEATURES; |
2231 | mb[1] = nv->firmware_feature.f.enable_fast_posting; |
2232 | mb[1] |= nv->firmware_feature.f.report_lvd_bus_transition << 1; |
2233 | mb[1] |= nv->firmware_feature.f.disable_synchronous_backoff << 5; |
2234 | status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); |
2235 | |
2236 | /* Retry count and delay. */ |
2237 | mb[0] = MBC_SET_RETRY_COUNT; |
2238 | mb[1] = nv->bus[0].retry_count; |
2239 | mb[2] = nv->bus[0].retry_delay; |
2240 | mb[6] = nv->bus[1].retry_count; |
2241 | mb[7] = nv->bus[1].retry_delay; |
2242 | status |= qla1280_mailbox_command(ha, BIT_7 | BIT_6 | BIT_2 | |
2243 | BIT_1 | BIT_0, &mb[0]); |
2244 | |
2245 | /* ASYNC data setup time. */ |
2246 | mb[0] = MBC_SET_ASYNC_DATA_SETUP; |
2247 | mb[1] = nv->bus[0].config_2.async_data_setup_time; |
2248 | mb[2] = nv->bus[1].config_2.async_data_setup_time; |
2249 | status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); |
2250 | |
2251 | /* Active negation states. */ |
2252 | mb[0] = MBC_SET_ACTIVE_NEGATION; |
2253 | mb[1] = 0; |
2254 | if (nv->bus[0].config_2.req_ack_active_negation) |
2255 | mb[1] |= BIT_5; |
2256 | if (nv->bus[0].config_2.data_line_active_negation) |
2257 | mb[1] |= BIT_4; |
2258 | mb[2] = 0; |
2259 | if (nv->bus[1].config_2.req_ack_active_negation) |
2260 | mb[2] |= BIT_5; |
2261 | if (nv->bus[1].config_2.data_line_active_negation) |
2262 | mb[2] |= BIT_4; |
2263 | status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb); |
2264 | |
2265 | mb[0] = MBC_SET_DATA_OVERRUN_RECOVERY; |
2266 | mb[1] = 2; /* Reset SCSI bus and return all outstanding IO */ |
2267 | status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); |
2268 | |
2269 | /* thingy */ |
2270 | mb[0] = MBC_SET_PCI_CONTROL; |
2271 | mb[1] = BIT_1; /* Data DMA Channel Burst Enable */ |
2272 | mb[2] = BIT_1; /* Command DMA Channel Burst Enable */ |
2273 | status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb); |
2274 | |
2275 | mb[0] = MBC_SET_TAG_AGE_LIMIT; |
2276 | mb[1] = 8; |
2277 | status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); |
2278 | |
2279 | /* Selection timeout. */ |
2280 | mb[0] = MBC_SET_SELECTION_TIMEOUT; |
2281 | mb[1] = nv->bus[0].selection_timeout; |
2282 | mb[2] = nv->bus[1].selection_timeout; |
2283 | status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb); |
2284 | |
2285 | for (bus = 0; bus < ha->ports; bus++) |
2286 | status |= qla1280_config_bus(ha, bus); |
2287 | |
2288 | if (status) |
2289 | dprintk(2, "qla1280_nvram_config: **** FAILED ****\n" ); |
2290 | |
2291 | LEAVE("qla1280_nvram_config" ); |
2292 | return status; |
2293 | } |
2294 | |
2295 | /* |
2296 | * Get NVRAM data word |
2297 | * Calculates word position in NVRAM and calls request routine to |
2298 | * get the word from NVRAM. |
2299 | * |
2300 | * Input: |
2301 | * ha = adapter block pointer. |
2302 | * address = NVRAM word address. |
2303 | * |
2304 | * Returns: |
2305 | * data word. |
2306 | */ |
2307 | static uint16_t |
2308 | qla1280_get_nvram_word(struct scsi_qla_host *ha, uint32_t address) |
2309 | { |
2310 | uint32_t nv_cmd; |
2311 | uint16_t data; |
2312 | |
2313 | nv_cmd = address << 16; |
2314 | nv_cmd |= NV_READ_OP; |
2315 | |
2316 | data = le16_to_cpu(qla1280_nvram_request(ha, nv_cmd)); |
2317 | |
2318 | dprintk(8, "qla1280_get_nvram_word: exiting normally NVRAM data = " |
2319 | "0x%x" , data); |
2320 | |
2321 | return data; |
2322 | } |
2323 | |
2324 | /* |
2325 | * NVRAM request |
2326 | * Sends read command to NVRAM and gets data from NVRAM. |
2327 | * |
2328 | * Input: |
2329 | * ha = adapter block pointer. |
2330 | * nv_cmd = Bit 26 = start bit |
2331 | * Bit 25, 24 = opcode |
2332 | * Bit 23-16 = address |
2333 | * Bit 15-0 = write data |
2334 | * |
2335 | * Returns: |
2336 | * data word. |
2337 | */ |
2338 | static uint16_t |
2339 | qla1280_nvram_request(struct scsi_qla_host *ha, uint32_t nv_cmd) |
2340 | { |
2341 | struct device_reg __iomem *reg = ha->iobase; |
2342 | int cnt; |
2343 | uint16_t data = 0; |
2344 | uint16_t reg_data; |
2345 | |
2346 | /* Send command to NVRAM. */ |
2347 | |
2348 | nv_cmd <<= 5; |
2349 | for (cnt = 0; cnt < 11; cnt++) { |
2350 | if (nv_cmd & BIT_31) |
2351 | qla1280_nv_write(ha, NV_DATA_OUT); |
2352 | else |
2353 | qla1280_nv_write(ha, 0); |
2354 | nv_cmd <<= 1; |
2355 | } |
2356 | |
2357 | /* Read data from NVRAM. */ |
2358 | |
2359 | for (cnt = 0; cnt < 16; cnt++) { |
2360 | WRT_REG_WORD(®->nvram, (NV_SELECT | NV_CLOCK)); |
2361 | RD_REG_WORD(®->id_l); /* Flush PCI write */ |
2362 | NVRAM_DELAY(); |
2363 | data <<= 1; |
2364 | reg_data = RD_REG_WORD(®->nvram); |
2365 | if (reg_data & NV_DATA_IN) |
2366 | data |= BIT_0; |
2367 | WRT_REG_WORD(®->nvram, NV_SELECT); |
2368 | RD_REG_WORD(®->id_l); /* Flush PCI write */ |
2369 | NVRAM_DELAY(); |
2370 | } |
2371 | |
2372 | /* Deselect chip. */ |
2373 | |
2374 | WRT_REG_WORD(®->nvram, NV_DESELECT); |
2375 | RD_REG_WORD(®->id_l); /* Flush PCI write */ |
2376 | NVRAM_DELAY(); |
2377 | |
2378 | return data; |
2379 | } |
2380 | |
2381 | static void |
2382 | qla1280_nv_write(struct scsi_qla_host *ha, uint16_t data) |
2383 | { |
2384 | struct device_reg __iomem *reg = ha->iobase; |
2385 | |
2386 | WRT_REG_WORD(®->nvram, data | NV_SELECT); |
2387 | RD_REG_WORD(®->id_l); /* Flush PCI write */ |
2388 | NVRAM_DELAY(); |
2389 | WRT_REG_WORD(®->nvram, data | NV_SELECT | NV_CLOCK); |
2390 | RD_REG_WORD(®->id_l); /* Flush PCI write */ |
2391 | NVRAM_DELAY(); |
2392 | WRT_REG_WORD(®->nvram, data | NV_SELECT); |
2393 | RD_REG_WORD(®->id_l); /* Flush PCI write */ |
2394 | NVRAM_DELAY(); |
2395 | } |
2396 | |
2397 | /* |
2398 | * Mailbox Command |
2399 | * Issue mailbox command and waits for completion. |
2400 | * |
2401 | * Input: |
2402 | * ha = adapter block pointer. |
2403 | * mr = mailbox registers to load. |
2404 | * mb = data pointer for mailbox registers. |
2405 | * |
2406 | * Output: |
2407 | * mb[MAILBOX_REGISTER_COUNT] = returned mailbox data. |
2408 | * |
2409 | * Returns: |
2410 | * 0 = success |
2411 | */ |
2412 | static int |
2413 | qla1280_mailbox_command(struct scsi_qla_host *ha, uint8_t mr, uint16_t *mb) |
2414 | { |
2415 | struct device_reg __iomem *reg = ha->iobase; |
2416 | int status = 0; |
2417 | int cnt; |
2418 | uint16_t *optr, *iptr; |
2419 | uint16_t __iomem *mptr; |
2420 | DECLARE_COMPLETION_ONSTACK(wait); |
2421 | |
2422 | ENTER("qla1280_mailbox_command" ); |
2423 | |
2424 | if (ha->mailbox_wait) { |
2425 | printk(KERN_ERR "Warning mailbox wait already in use!\n" ); |
2426 | } |
2427 | ha->mailbox_wait = &wait; |
2428 | |
2429 | /* |
2430 | * We really should start out by verifying that the mailbox is |
2431 | * available before starting sending the command data |
2432 | */ |
2433 | /* Load mailbox registers. */ |
2434 | mptr = (uint16_t __iomem *) ®->mailbox0; |
2435 | iptr = mb; |
2436 | for (cnt = 0; cnt < MAILBOX_REGISTER_COUNT; cnt++) { |
2437 | if (mr & BIT_0) { |
2438 | WRT_REG_WORD(mptr, (*iptr)); |
2439 | } |
2440 | |
2441 | mr >>= 1; |
2442 | mptr++; |
2443 | iptr++; |
2444 | } |
2445 | |
2446 | /* Issue set host interrupt command. */ |
2447 | |
2448 | /* set up a timer just in case we're really jammed */ |
2449 | timer_setup(&ha->mailbox_timer, qla1280_mailbox_timeout, 0); |
2450 | mod_timer(timer: &ha->mailbox_timer, expires: jiffies + 20 * HZ); |
2451 | |
2452 | spin_unlock_irq(lock: ha->host->host_lock); |
2453 | WRT_REG_WORD(®->host_cmd, HC_SET_HOST_INT); |
2454 | qla1280_debounce_register(®->istatus); |
2455 | |
2456 | wait_for_completion(&wait); |
2457 | del_timer_sync(timer: &ha->mailbox_timer); |
2458 | |
2459 | spin_lock_irq(lock: ha->host->host_lock); |
2460 | |
2461 | ha->mailbox_wait = NULL; |
2462 | |
2463 | /* Check for mailbox command timeout. */ |
2464 | if (ha->mailbox_out[0] != MBS_CMD_CMP) { |
2465 | printk(KERN_WARNING "qla1280_mailbox_command: Command failed, " |
2466 | "mailbox0 = 0x%04x, mailbox_out0 = 0x%04x, istatus = " |
2467 | "0x%04x\n" , |
2468 | mb[0], ha->mailbox_out[0], RD_REG_WORD(®->istatus)); |
2469 | printk(KERN_WARNING "m0 %04x, m1 %04x, m2 %04x, m3 %04x\n" , |
2470 | RD_REG_WORD(®->mailbox0), RD_REG_WORD(®->mailbox1), |
2471 | RD_REG_WORD(®->mailbox2), RD_REG_WORD(®->mailbox3)); |
2472 | printk(KERN_WARNING "m4 %04x, m5 %04x, m6 %04x, m7 %04x\n" , |
2473 | RD_REG_WORD(®->mailbox4), RD_REG_WORD(®->mailbox5), |
2474 | RD_REG_WORD(®->mailbox6), RD_REG_WORD(®->mailbox7)); |
2475 | status = 1; |
2476 | } |
2477 | |
2478 | /* Load return mailbox registers. */ |
2479 | optr = mb; |
2480 | iptr = (uint16_t *) &ha->mailbox_out[0]; |
2481 | mr = MAILBOX_REGISTER_COUNT; |
2482 | memcpy(optr, iptr, MAILBOX_REGISTER_COUNT * sizeof(uint16_t)); |
2483 | |
2484 | if (ha->flags.reset_marker) |
2485 | qla1280_rst_aen(ha); |
2486 | |
2487 | if (status) |
2488 | dprintk(2, "qla1280_mailbox_command: **** FAILED, mailbox0 = " |
2489 | "0x%x ****\n" , mb[0]); |
2490 | |
2491 | LEAVE("qla1280_mailbox_command" ); |
2492 | return status; |
2493 | } |
2494 | |
2495 | /* |
2496 | * qla1280_poll |
2497 | * Polls ISP for interrupts. |
2498 | * |
2499 | * Input: |
2500 | * ha = adapter block pointer. |
2501 | */ |
2502 | static void |
2503 | qla1280_poll(struct scsi_qla_host *ha) |
2504 | { |
2505 | struct device_reg __iomem *reg = ha->iobase; |
2506 | uint16_t data; |
2507 | LIST_HEAD(done_q); |
2508 | |
2509 | /* ENTER("qla1280_poll"); */ |
2510 | |
2511 | /* Check for pending interrupts. */ |
2512 | data = RD_REG_WORD(®->istatus); |
2513 | if (data & RISC_INT) |
2514 | qla1280_isr(ha, &done_q); |
2515 | |
2516 | if (!ha->mailbox_wait) { |
2517 | if (ha->flags.reset_marker) |
2518 | qla1280_rst_aen(ha); |
2519 | } |
2520 | |
2521 | if (!list_empty(head: &done_q)) |
2522 | qla1280_done(ha); |
2523 | |
2524 | /* LEAVE("qla1280_poll"); */ |
2525 | } |
2526 | |
2527 | /* |
2528 | * qla1280_bus_reset |
2529 | * Issue SCSI bus reset. |
2530 | * |
2531 | * Input: |
2532 | * ha = adapter block pointer. |
2533 | * bus = SCSI bus number. |
2534 | * |
2535 | * Returns: |
2536 | * 0 = success |
2537 | */ |
2538 | static int |
2539 | qla1280_bus_reset(struct scsi_qla_host *ha, int bus) |
2540 | { |
2541 | uint16_t mb[MAILBOX_REGISTER_COUNT]; |
2542 | uint16_t reset_delay; |
2543 | int status; |
2544 | |
2545 | dprintk(3, "qla1280_bus_reset: entered\n" ); |
2546 | |
2547 | if (qla1280_verbose) |
2548 | printk(KERN_INFO "scsi(%li:%i): Resetting SCSI BUS\n" , |
2549 | ha->host_no, bus); |
2550 | |
2551 | reset_delay = ha->bus_settings[bus].bus_reset_delay; |
2552 | mb[0] = MBC_BUS_RESET; |
2553 | mb[1] = reset_delay; |
2554 | mb[2] = (uint16_t) bus; |
2555 | status = qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb: &mb[0]); |
2556 | |
2557 | if (status) { |
2558 | if (ha->bus_settings[bus].failed_reset_count > 2) |
2559 | ha->bus_settings[bus].scsi_bus_dead = 1; |
2560 | ha->bus_settings[bus].failed_reset_count++; |
2561 | } else { |
2562 | spin_unlock_irq(lock: ha->host->host_lock); |
2563 | ssleep(seconds: reset_delay); |
2564 | spin_lock_irq(lock: ha->host->host_lock); |
2565 | |
2566 | ha->bus_settings[bus].scsi_bus_dead = 0; |
2567 | ha->bus_settings[bus].failed_reset_count = 0; |
2568 | ha->bus_settings[bus].reset_marker = 0; |
2569 | /* Issue marker command. */ |
2570 | qla1280_marker(ha, bus, 0, 0, MK_SYNC_ALL); |
2571 | } |
2572 | |
2573 | /* |
2574 | * We should probably call qla1280_set_target_parameters() |
2575 | * here as well for all devices on the bus. |
2576 | */ |
2577 | |
2578 | if (status) |
2579 | dprintk(2, "qla1280_bus_reset: **** FAILED ****\n" ); |
2580 | else |
2581 | dprintk(3, "qla1280_bus_reset: exiting normally\n" ); |
2582 | |
2583 | return status; |
2584 | } |
2585 | |
2586 | /* |
2587 | * qla1280_device_reset |
2588 | * Issue bus device reset message to the target. |
2589 | * |
2590 | * Input: |
2591 | * ha = adapter block pointer. |
2592 | * bus = SCSI BUS number. |
2593 | * target = SCSI ID. |
2594 | * |
2595 | * Returns: |
2596 | * 0 = success |
2597 | */ |
2598 | static int |
2599 | qla1280_device_reset(struct scsi_qla_host *ha, int bus, int target) |
2600 | { |
2601 | uint16_t mb[MAILBOX_REGISTER_COUNT]; |
2602 | int status; |
2603 | |
2604 | ENTER("qla1280_device_reset" ); |
2605 | |
2606 | mb[0] = MBC_ABORT_TARGET; |
2607 | mb[1] = (bus ? (target | BIT_7) : target) << 8; |
2608 | mb[2] = 1; |
2609 | status = qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb: &mb[0]); |
2610 | |
2611 | /* Issue marker command. */ |
2612 | qla1280_marker(ha, bus, target, 0, MK_SYNC_ID); |
2613 | |
2614 | if (status) |
2615 | dprintk(2, "qla1280_device_reset: **** FAILED ****\n" ); |
2616 | |
2617 | LEAVE("qla1280_device_reset" ); |
2618 | return status; |
2619 | } |
2620 | |
2621 | /* |
2622 | * qla1280_abort_command |
2623 | * Abort command aborts a specified IOCB. |
2624 | * |
2625 | * Input: |
2626 | * ha = adapter block pointer. |
2627 | * sp = SB structure pointer. |
2628 | * |
2629 | * Returns: |
2630 | * 0 = success |
2631 | */ |
2632 | static int |
2633 | qla1280_abort_command(struct scsi_qla_host *ha, struct srb * sp, int handle) |
2634 | { |
2635 | uint16_t mb[MAILBOX_REGISTER_COUNT]; |
2636 | unsigned int bus, target, lun; |
2637 | int status; |
2638 | |
2639 | ENTER("qla1280_abort_command" ); |
2640 | |
2641 | bus = SCSI_BUS_32(sp->cmd); |
2642 | target = SCSI_TCN_32(sp->cmd); |
2643 | lun = SCSI_LUN_32(sp->cmd); |
2644 | |
2645 | sp->flags |= SRB_ABORT_PENDING; |
2646 | |
2647 | mb[0] = MBC_ABORT_COMMAND; |
2648 | mb[1] = (bus ? target | BIT_7 : target) << 8 | lun; |
2649 | mb[2] = handle >> 16; |
2650 | mb[3] = handle & 0xffff; |
2651 | status = qla1280_mailbox_command(ha, mr: 0x0f, mb: &mb[0]); |
2652 | |
2653 | if (status) { |
2654 | dprintk(2, "qla1280_abort_command: **** FAILED ****\n" ); |
2655 | sp->flags &= ~SRB_ABORT_PENDING; |
2656 | } |
2657 | |
2658 | |
2659 | LEAVE("qla1280_abort_command" ); |
2660 | return status; |
2661 | } |
2662 | |
2663 | /* |
2664 | * qla1280_reset_adapter |
2665 | * Reset adapter. |
2666 | * |
2667 | * Input: |
2668 | * ha = adapter block pointer. |
2669 | */ |
2670 | static void |
2671 | qla1280_reset_adapter(struct scsi_qla_host *ha) |
2672 | { |
2673 | struct device_reg __iomem *reg = ha->iobase; |
2674 | |
2675 | ENTER("qla1280_reset_adapter" ); |
2676 | |
2677 | /* Disable ISP chip */ |
2678 | ha->flags.online = 0; |
2679 | WRT_REG_WORD(®->ictrl, ISP_RESET); |
2680 | WRT_REG_WORD(®->host_cmd, |
2681 | HC_RESET_RISC | HC_RELEASE_RISC | HC_DISABLE_BIOS); |
2682 | RD_REG_WORD(®->id_l); /* Flush PCI write */ |
2683 | |
2684 | LEAVE("qla1280_reset_adapter" ); |
2685 | } |
2686 | |
2687 | /* |
2688 | * Issue marker command. |
2689 | * Function issues marker IOCB. |
2690 | * |
2691 | * Input: |
2692 | * ha = adapter block pointer. |
2693 | * bus = SCSI BUS number |
2694 | * id = SCSI ID |
2695 | * lun = SCSI LUN |
2696 | * type = marker modifier |
2697 | */ |
2698 | static void |
2699 | qla1280_marker(struct scsi_qla_host *ha, int bus, int id, int lun, u8 type) |
2700 | { |
2701 | struct mrk_entry *pkt; |
2702 | |
2703 | ENTER("qla1280_marker" ); |
2704 | |
2705 | /* Get request packet. */ |
2706 | if ((pkt = (struct mrk_entry *) qla1280_req_pkt(ha))) { |
2707 | pkt->entry_type = MARKER_TYPE; |
2708 | pkt->lun = (uint8_t) lun; |
2709 | pkt->target = (uint8_t) (bus ? (id | BIT_7) : id); |
2710 | pkt->modifier = type; |
2711 | pkt->entry_status = 0; |
2712 | |
2713 | /* Issue command to ISP */ |
2714 | qla1280_isp_cmd(ha); |
2715 | } |
2716 | |
2717 | LEAVE("qla1280_marker" ); |
2718 | } |
2719 | |
2720 | |
2721 | /* |
2722 | * qla1280_64bit_start_scsi |
2723 | * The start SCSI is responsible for building request packets on |
2724 | * request ring and modifying ISP input pointer. |
2725 | * |
2726 | * Input: |
2727 | * ha = adapter block pointer. |
2728 | * sp = SB structure pointer. |
2729 | * |
2730 | * Returns: |
2731 | * 0 = success, was able to issue command. |
2732 | */ |
2733 | #ifdef QLA_64BIT_PTR |
2734 | static int |
2735 | qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp) |
2736 | { |
2737 | struct device_reg __iomem *reg = ha->iobase; |
2738 | struct scsi_cmnd *cmd = sp->cmd; |
2739 | cmd_a64_entry_t *pkt; |
2740 | __le32 *dword_ptr; |
2741 | dma_addr_t dma_handle; |
2742 | int status = 0; |
2743 | int cnt; |
2744 | int req_cnt; |
2745 | int seg_cnt; |
2746 | u8 dir; |
2747 | |
2748 | ENTER("qla1280_64bit_start_scsi:" ); |
2749 | |
2750 | /* Calculate number of entries and segments required. */ |
2751 | req_cnt = 1; |
2752 | seg_cnt = scsi_dma_map(cmd); |
2753 | if (seg_cnt > 0) { |
2754 | if (seg_cnt > 2) { |
2755 | req_cnt += (seg_cnt - 2) / 5; |
2756 | if ((seg_cnt - 2) % 5) |
2757 | req_cnt++; |
2758 | } |
2759 | } else if (seg_cnt < 0) { |
2760 | status = 1; |
2761 | goto out; |
2762 | } |
2763 | |
2764 | if ((req_cnt + 2) >= ha->req_q_cnt) { |
2765 | /* Calculate number of free request entries. */ |
2766 | cnt = RD_REG_WORD(®->mailbox4); |
2767 | if (ha->req_ring_index < cnt) |
2768 | ha->req_q_cnt = cnt - ha->req_ring_index; |
2769 | else |
2770 | ha->req_q_cnt = |
2771 | REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt); |
2772 | } |
2773 | |
2774 | dprintk(3, "Number of free entries=(%d) seg_cnt=0x%x\n" , |
2775 | ha->req_q_cnt, seg_cnt); |
2776 | |
2777 | /* If room for request in request ring. */ |
2778 | if ((req_cnt + 2) >= ha->req_q_cnt) { |
2779 | status = SCSI_MLQUEUE_HOST_BUSY; |
2780 | dprintk(2, "qla1280_start_scsi: in-ptr=0x%x req_q_cnt=" |
2781 | "0x%xreq_cnt=0x%x" , ha->req_ring_index, ha->req_q_cnt, |
2782 | req_cnt); |
2783 | goto out; |
2784 | } |
2785 | |
2786 | /* Check for room in outstanding command list. */ |
2787 | for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS && |
2788 | ha->outstanding_cmds[cnt] != NULL; cnt++); |
2789 | |
2790 | if (cnt >= MAX_OUTSTANDING_COMMANDS) { |
2791 | status = SCSI_MLQUEUE_HOST_BUSY; |
2792 | dprintk(2, "qla1280_start_scsi: NO ROOM IN " |
2793 | "OUTSTANDING ARRAY, req_q_cnt=0x%x" , ha->req_q_cnt); |
2794 | goto out; |
2795 | } |
2796 | |
2797 | ha->outstanding_cmds[cnt] = sp; |
2798 | ha->req_q_cnt -= req_cnt; |
2799 | CMD_HANDLE(sp->cmd) = (unsigned char *)(unsigned long)(cnt + 1); |
2800 | |
2801 | dprintk(2, "start: cmd=%p sp=%p CDB=%xm, handle %lx\n" , cmd, sp, |
2802 | cmd->cmnd[0], (long)CMD_HANDLE(sp->cmd)); |
2803 | dprintk(2, " bus %i, target %i, lun %i\n" , |
2804 | SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); |
2805 | qla1280_dump_buffer(2, cmd->cmnd, MAX_COMMAND_SIZE); |
2806 | |
2807 | /* |
2808 | * Build command packet. |
2809 | */ |
2810 | pkt = (cmd_a64_entry_t *) ha->request_ring_ptr; |
2811 | |
2812 | pkt->entry_type = COMMAND_A64_TYPE; |
2813 | pkt->entry_count = (uint8_t) req_cnt; |
2814 | pkt->sys_define = (uint8_t) ha->req_ring_index; |
2815 | pkt->entry_status = 0; |
2816 | pkt->handle = cpu_to_le32(cnt); |
2817 | |
2818 | /* Zero out remaining portion of packet. */ |
2819 | memset(((char *)pkt + 8), 0, (REQUEST_ENTRY_SIZE - 8)); |
2820 | |
2821 | /* Set ISP command timeout. */ |
2822 | pkt->timeout = cpu_to_le16(scsi_cmd_to_rq(cmd)->timeout / HZ); |
2823 | |
2824 | /* Set device target ID and LUN */ |
2825 | pkt->lun = SCSI_LUN_32(cmd); |
2826 | pkt->target = SCSI_BUS_32(cmd) ? |
2827 | (SCSI_TCN_32(cmd) | BIT_7) : SCSI_TCN_32(cmd); |
2828 | |
2829 | /* Enable simple tag queuing if device supports it. */ |
2830 | if (cmd->device->simple_tags) |
2831 | pkt->control_flags |= cpu_to_le16(BIT_3); |
2832 | |
2833 | /* Load SCSI command packet. */ |
2834 | pkt->cdb_len = cpu_to_le16(CMD_CDBLEN(cmd)); |
2835 | memcpy(pkt->scsi_cdb, CMD_CDBP(cmd), CMD_CDBLEN(cmd)); |
2836 | /* dprintk(1, "Build packet for command[0]=0x%x\n",pkt->scsi_cdb[0]); */ |
2837 | |
2838 | /* Set transfer direction. */ |
2839 | dir = qla1280_data_direction(cmnd: cmd); |
2840 | pkt->control_flags |= cpu_to_le16(dir); |
2841 | |
2842 | /* Set total data segment count. */ |
2843 | pkt->dseg_count = cpu_to_le16(seg_cnt); |
2844 | |
2845 | /* |
2846 | * Load data segments. |
2847 | */ |
2848 | if (seg_cnt) { /* If data transfer. */ |
2849 | struct scatterlist *sg, *s; |
2850 | int remseg = seg_cnt; |
2851 | |
2852 | sg = scsi_sglist(cmd); |
2853 | |
2854 | /* Setup packet address segment pointer. */ |
2855 | dword_ptr = (u32 *)&pkt->dseg_0_address; |
2856 | |
2857 | /* Load command entry data segments. */ |
2858 | for_each_sg(sg, s, seg_cnt, cnt) { |
2859 | if (cnt == 2) |
2860 | break; |
2861 | |
2862 | dma_handle = sg_dma_address(s); |
2863 | *dword_ptr++ = |
2864 | cpu_to_le32(lower_32_bits(dma_handle)); |
2865 | *dword_ptr++ = |
2866 | cpu_to_le32(upper_32_bits(dma_handle)); |
2867 | *dword_ptr++ = cpu_to_le32(sg_dma_len(s)); |
2868 | dprintk(3, "S/G Segment phys_addr=%x %x, len=0x%x\n" , |
2869 | cpu_to_le32(upper_32_bits(dma_handle)), |
2870 | cpu_to_le32(lower_32_bits(dma_handle)), |
2871 | cpu_to_le32(sg_dma_len(sg_next(s)))); |
2872 | remseg--; |
2873 | } |
2874 | dprintk(5, "qla1280_64bit_start_scsi: Scatter/gather " |
2875 | "command packet data - b %i, t %i, l %i \n" , |
2876 | SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), |
2877 | SCSI_LUN_32(cmd)); |
2878 | qla1280_dump_buffer(5, (char *)pkt, |
2879 | REQUEST_ENTRY_SIZE); |
2880 | |
2881 | /* |
2882 | * Build continuation packets. |
2883 | */ |
2884 | dprintk(3, "S/G Building Continuation...seg_cnt=0x%x " |
2885 | "remains\n" , seg_cnt); |
2886 | |
2887 | while (remseg > 0) { |
2888 | /* Update sg start */ |
2889 | sg = s; |
2890 | /* Adjust ring index. */ |
2891 | ha->req_ring_index++; |
2892 | if (ha->req_ring_index == REQUEST_ENTRY_CNT) { |
2893 | ha->req_ring_index = 0; |
2894 | ha->request_ring_ptr = |
2895 | ha->request_ring; |
2896 | } else |
2897 | ha->request_ring_ptr++; |
2898 | |
2899 | pkt = (cmd_a64_entry_t *)ha->request_ring_ptr; |
2900 | |
2901 | /* Zero out packet. */ |
2902 | memset(pkt, 0, REQUEST_ENTRY_SIZE); |
2903 | |
2904 | /* Load packet defaults. */ |
2905 | ((struct cont_a64_entry *) pkt)->entry_type = |
2906 | CONTINUE_A64_TYPE; |
2907 | ((struct cont_a64_entry *) pkt)->entry_count = 1; |
2908 | ((struct cont_a64_entry *) pkt)->sys_define = |
2909 | (uint8_t)ha->req_ring_index; |
2910 | /* Setup packet address segment pointer. */ |
2911 | dword_ptr = |
2912 | (u32 *)&((struct cont_a64_entry *) pkt)->dseg_0_address; |
2913 | |
2914 | /* Load continuation entry data segments. */ |
2915 | for_each_sg(sg, s, remseg, cnt) { |
2916 | if (cnt == 5) |
2917 | break; |
2918 | dma_handle = sg_dma_address(s); |
2919 | *dword_ptr++ = |
2920 | cpu_to_le32(lower_32_bits(dma_handle)); |
2921 | *dword_ptr++ = |
2922 | cpu_to_le32(upper_32_bits(dma_handle)); |
2923 | *dword_ptr++ = |
2924 | cpu_to_le32(sg_dma_len(s)); |
2925 | dprintk(3, "S/G Segment Cont. phys_addr=%x %x, len=0x%x\n" , |
2926 | cpu_to_le32(upper_32_bits(dma_handle)), |
2927 | cpu_to_le32(lower_32_bits(dma_handle)), |
2928 | cpu_to_le32(sg_dma_len(s))); |
2929 | } |
2930 | remseg -= cnt; |
2931 | dprintk(5, "qla1280_64bit_start_scsi: " |
2932 | "continuation packet data - b %i, t " |
2933 | "%i, l %i \n" , SCSI_BUS_32(cmd), |
2934 | SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); |
2935 | qla1280_dump_buffer(5, (char *)pkt, |
2936 | REQUEST_ENTRY_SIZE); |
2937 | } |
2938 | } else { /* No data transfer */ |
2939 | dprintk(5, "qla1280_64bit_start_scsi: No data, command " |
2940 | "packet data - b %i, t %i, l %i \n" , |
2941 | SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); |
2942 | qla1280_dump_buffer(5, (char *)pkt, REQUEST_ENTRY_SIZE); |
2943 | } |
2944 | /* Adjust ring index. */ |
2945 | ha->req_ring_index++; |
2946 | if (ha->req_ring_index == REQUEST_ENTRY_CNT) { |
2947 | ha->req_ring_index = 0; |
2948 | ha->request_ring_ptr = ha->request_ring; |
2949 | } else |
2950 | ha->request_ring_ptr++; |
2951 | |
2952 | /* Set chip new ring index. */ |
2953 | dprintk(2, |
2954 | "qla1280_64bit_start_scsi: Wakeup RISC for pending command\n" ); |
2955 | sp->flags |= SRB_SENT; |
2956 | ha->actthreads++; |
2957 | WRT_REG_WORD(®->mailbox4, ha->req_ring_index); |
2958 | |
2959 | out: |
2960 | if (status) |
2961 | dprintk(2, "qla1280_64bit_start_scsi: **** FAILED ****\n" ); |
2962 | else |
2963 | dprintk(3, "qla1280_64bit_start_scsi: exiting normally\n" ); |
2964 | |
2965 | return status; |
2966 | } |
2967 | #else /* !QLA_64BIT_PTR */ |
2968 | |
2969 | /* |
2970 | * qla1280_32bit_start_scsi |
2971 | * The start SCSI is responsible for building request packets on |
2972 | * request ring and modifying ISP input pointer. |
2973 | * |
2974 | * The Qlogic firmware interface allows every queue slot to have a SCSI |
2975 | * command and up to 4 scatter/gather (SG) entries. If we need more |
2976 | * than 4 SG entries, then continuation entries are used that can |
2977 | * hold another 7 entries each. The start routine determines if there |
2978 | * is eought empty slots then build the combination of requests to |
2979 | * fulfill the OS request. |
2980 | * |
2981 | * Input: |
2982 | * ha = adapter block pointer. |
2983 | * sp = SCSI Request Block structure pointer. |
2984 | * |
2985 | * Returns: |
2986 | * 0 = success, was able to issue command. |
2987 | */ |
2988 | static int |
2989 | qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp) |
2990 | { |
2991 | struct device_reg __iomem *reg = ha->iobase; |
2992 | struct scsi_cmnd *cmd = sp->cmd; |
2993 | struct cmd_entry *pkt; |
2994 | __le32 *dword_ptr; |
2995 | int status = 0; |
2996 | int cnt; |
2997 | int req_cnt; |
2998 | int seg_cnt; |
2999 | u8 dir; |
3000 | |
3001 | ENTER("qla1280_32bit_start_scsi" ); |
3002 | |
3003 | dprintk(1, "32bit_start: cmd=%p sp=%p CDB=%x\n" , cmd, sp, |
3004 | cmd->cmnd[0]); |
3005 | |
3006 | /* Calculate number of entries and segments required. */ |
3007 | req_cnt = 1; |
3008 | seg_cnt = scsi_dma_map(cmd); |
3009 | if (seg_cnt) { |
3010 | /* |
3011 | * if greater than four sg entries then we need to allocate |
3012 | * continuation entries |
3013 | */ |
3014 | if (seg_cnt > 4) { |
3015 | req_cnt += (seg_cnt - 4) / 7; |
3016 | if ((seg_cnt - 4) % 7) |
3017 | req_cnt++; |
3018 | } |
3019 | dprintk(3, "S/G Transfer cmd=%p seg_cnt=0x%x, req_cnt=%x\n" , |
3020 | cmd, seg_cnt, req_cnt); |
3021 | } else if (seg_cnt < 0) { |
3022 | status = 1; |
3023 | goto out; |
3024 | } |
3025 | |
3026 | if ((req_cnt + 2) >= ha->req_q_cnt) { |
3027 | /* Calculate number of free request entries. */ |
3028 | cnt = RD_REG_WORD(®->mailbox4); |
3029 | if (ha->req_ring_index < cnt) |
3030 | ha->req_q_cnt = cnt - ha->req_ring_index; |
3031 | else |
3032 | ha->req_q_cnt = |
3033 | REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt); |
3034 | } |
3035 | |
3036 | dprintk(3, "Number of free entries=(%d) seg_cnt=0x%x\n" , |
3037 | ha->req_q_cnt, seg_cnt); |
3038 | /* If room for request in request ring. */ |
3039 | if ((req_cnt + 2) >= ha->req_q_cnt) { |
3040 | status = SCSI_MLQUEUE_HOST_BUSY; |
3041 | dprintk(2, "qla1280_32bit_start_scsi: in-ptr=0x%x, " |
3042 | "req_q_cnt=0x%x, req_cnt=0x%x" , ha->req_ring_index, |
3043 | ha->req_q_cnt, req_cnt); |
3044 | goto out; |
3045 | } |
3046 | |
3047 | /* Check for empty slot in outstanding command list. */ |
3048 | for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS && |
3049 | ha->outstanding_cmds[cnt]; cnt++); |
3050 | |
3051 | if (cnt >= MAX_OUTSTANDING_COMMANDS) { |
3052 | status = SCSI_MLQUEUE_HOST_BUSY; |
3053 | dprintk(2, "qla1280_32bit_start_scsi: NO ROOM IN OUTSTANDING " |
3054 | "ARRAY, req_q_cnt=0x%x\n" , ha->req_q_cnt); |
3055 | goto out; |
3056 | } |
3057 | |
3058 | CMD_HANDLE(sp->cmd) = (unsigned char *) (unsigned long)(cnt + 1); |
3059 | ha->outstanding_cmds[cnt] = sp; |
3060 | ha->req_q_cnt -= req_cnt; |
3061 | |
3062 | /* |
3063 | * Build command packet. |
3064 | */ |
3065 | pkt = (struct cmd_entry *) ha->request_ring_ptr; |
3066 | |
3067 | pkt->entry_type = COMMAND_TYPE; |
3068 | pkt->entry_count = (uint8_t) req_cnt; |
3069 | pkt->sys_define = (uint8_t) ha->req_ring_index; |
3070 | pkt->entry_status = 0; |
3071 | pkt->handle = cpu_to_le32(cnt); |
3072 | |
3073 | /* Zero out remaining portion of packet. */ |
3074 | memset(((char *)pkt + 8), 0, (REQUEST_ENTRY_SIZE - 8)); |
3075 | |
3076 | /* Set ISP command timeout. */ |
3077 | pkt->timeout = cpu_to_le16(scsi_cmd_to_rq(cmd)->timeout / HZ); |
3078 | |
3079 | /* Set device target ID and LUN */ |
3080 | pkt->lun = SCSI_LUN_32(cmd); |
3081 | pkt->target = SCSI_BUS_32(cmd) ? |
3082 | (SCSI_TCN_32(cmd) | BIT_7) : SCSI_TCN_32(cmd); |
3083 | |
3084 | /* Enable simple tag queuing if device supports it. */ |
3085 | if (cmd->device->simple_tags) |
3086 | pkt->control_flags |= cpu_to_le16(BIT_3); |
3087 | |
3088 | /* Load SCSI command packet. */ |
3089 | pkt->cdb_len = cpu_to_le16(CMD_CDBLEN(cmd)); |
3090 | memcpy(pkt->scsi_cdb, CMD_CDBP(cmd), CMD_CDBLEN(cmd)); |
3091 | |
3092 | /*dprintk(1, "Build packet for command[0]=0x%x\n",pkt->scsi_cdb[0]); */ |
3093 | /* Set transfer direction. */ |
3094 | dir = qla1280_data_direction(cmd); |
3095 | pkt->control_flags |= cpu_to_le16(dir); |
3096 | |
3097 | /* Set total data segment count. */ |
3098 | pkt->dseg_count = cpu_to_le16(seg_cnt); |
3099 | |
3100 | /* |
3101 | * Load data segments. |
3102 | */ |
3103 | if (seg_cnt) { |
3104 | struct scatterlist *sg, *s; |
3105 | int remseg = seg_cnt; |
3106 | |
3107 | sg = scsi_sglist(cmd); |
3108 | |
3109 | /* Setup packet address segment pointer. */ |
3110 | dword_ptr = &pkt->dseg_0_address; |
3111 | |
3112 | dprintk(3, "Building S/G data segments..\n" ); |
3113 | qla1280_dump_buffer(1, (char *)sg, 4 * 16); |
3114 | |
3115 | /* Load command entry data segments. */ |
3116 | for_each_sg(sg, s, seg_cnt, cnt) { |
3117 | if (cnt == 4) |
3118 | break; |
3119 | *dword_ptr++ = |
3120 | cpu_to_le32(lower_32_bits(sg_dma_address(s))); |
3121 | *dword_ptr++ = cpu_to_le32(sg_dma_len(s)); |
3122 | dprintk(3, "S/G Segment phys_addr=0x%lx, len=0x%x\n" , |
3123 | (lower_32_bits(sg_dma_address(s))), |
3124 | (sg_dma_len(s))); |
3125 | remseg--; |
3126 | } |
3127 | /* |
3128 | * Build continuation packets. |
3129 | */ |
3130 | dprintk(3, "S/G Building Continuation" |
3131 | "...seg_cnt=0x%x remains\n" , seg_cnt); |
3132 | while (remseg > 0) { |
3133 | /* Continue from end point */ |
3134 | sg = s; |
3135 | /* Adjust ring index. */ |
3136 | ha->req_ring_index++; |
3137 | if (ha->req_ring_index == REQUEST_ENTRY_CNT) { |
3138 | ha->req_ring_index = 0; |
3139 | ha->request_ring_ptr = |
3140 | ha->request_ring; |
3141 | } else |
3142 | ha->request_ring_ptr++; |
3143 | |
3144 | pkt = (struct cmd_entry *)ha->request_ring_ptr; |
3145 | |
3146 | /* Zero out packet. */ |
3147 | memset(pkt, 0, REQUEST_ENTRY_SIZE); |
3148 | |
3149 | /* Load packet defaults. */ |
3150 | ((struct cont_entry *) pkt)-> |
3151 | entry_type = CONTINUE_TYPE; |
3152 | ((struct cont_entry *) pkt)->entry_count = 1; |
3153 | |
3154 | ((struct cont_entry *) pkt)->sys_define = |
3155 | (uint8_t) ha->req_ring_index; |
3156 | |
3157 | /* Setup packet address segment pointer. */ |
3158 | dword_ptr = |
3159 | &((struct cont_entry *) pkt)->dseg_0_address; |
3160 | |
3161 | /* Load continuation entry data segments. */ |
3162 | for_each_sg(sg, s, remseg, cnt) { |
3163 | if (cnt == 7) |
3164 | break; |
3165 | *dword_ptr++ = |
3166 | cpu_to_le32(lower_32_bits(sg_dma_address(s))); |
3167 | *dword_ptr++ = |
3168 | cpu_to_le32(sg_dma_len(s)); |
3169 | dprintk(1, |
3170 | "S/G Segment Cont. phys_addr=0x%x, " |
3171 | "len=0x%x\n" , |
3172 | cpu_to_le32(lower_32_bits(sg_dma_address(s))), |
3173 | cpu_to_le32(sg_dma_len(s))); |
3174 | } |
3175 | remseg -= cnt; |
3176 | dprintk(5, "qla1280_32bit_start_scsi: " |
3177 | "continuation packet data - " |
3178 | "scsi(%i:%i:%i)\n" , SCSI_BUS_32(cmd), |
3179 | SCSI_TCN_32(cmd), SCSI_LUN_32(cmd)); |
3180 | qla1280_dump_buffer(5, (char *)pkt, |
3181 | REQUEST_ENTRY_SIZE); |
3182 | } |
3183 | } else { /* No data transfer at all */ |
3184 | dprintk(5, "qla1280_32bit_start_scsi: No data, command " |
3185 | "packet data - \n" ); |
3186 | qla1280_dump_buffer(5, (char *)pkt, REQUEST_ENTRY_SIZE); |
3187 | } |
3188 | dprintk(5, "qla1280_32bit_start_scsi: First IOCB block:\n" ); |
3189 | qla1280_dump_buffer(5, (char *)ha->request_ring_ptr, |
3190 | REQUEST_ENTRY_SIZE); |
3191 | |
3192 | /* Adjust ring index. */ |
3193 | ha->req_ring_index++; |
3194 | if (ha->req_ring_index == REQUEST_ENTRY_CNT) { |
3195 | ha->req_ring_index = 0; |
3196 | ha->request_ring_ptr = ha->request_ring; |
3197 | } else |
3198 | ha->request_ring_ptr++; |
3199 | |
3200 | /* Set chip new ring index. */ |
3201 | dprintk(2, "qla1280_32bit_start_scsi: Wakeup RISC " |
3202 | "for pending command\n" ); |
3203 | sp->flags |= SRB_SENT; |
3204 | ha->actthreads++; |
3205 | WRT_REG_WORD(®->mailbox4, ha->req_ring_index); |
3206 | |
3207 | out: |
3208 | if (status) |
3209 | dprintk(2, "qla1280_32bit_start_scsi: **** FAILED ****\n" ); |
3210 | |
3211 | LEAVE("qla1280_32bit_start_scsi" ); |
3212 | |
3213 | return status; |
3214 | } |
3215 | #endif |
3216 | |
3217 | /* |
3218 | * qla1280_req_pkt |
3219 | * Function is responsible for locking ring and |
3220 | * getting a zeroed out request packet. |
3221 | * |
3222 | * Input: |
3223 | * ha = adapter block pointer. |
3224 | * |
3225 | * Returns: |
3226 | * 0 = failed to get slot. |
3227 | */ |
3228 | static request_t * |
3229 | qla1280_req_pkt(struct scsi_qla_host *ha) |
3230 | { |
3231 | struct device_reg __iomem *reg = ha->iobase; |
3232 | request_t *pkt = NULL; |
3233 | int cnt; |
3234 | uint32_t timer; |
3235 | |
3236 | ENTER("qla1280_req_pkt" ); |
3237 | |
3238 | /* |
3239 | * This can be called from interrupt context, damn it!!! |
3240 | */ |
3241 | /* Wait for 30 seconds for slot. */ |
3242 | for (timer = 15000000; timer; timer--) { |
3243 | if (ha->req_q_cnt > 0) { |
3244 | /* Calculate number of free request entries. */ |
3245 | cnt = RD_REG_WORD(®->mailbox4); |
3246 | if (ha->req_ring_index < cnt) |
3247 | ha->req_q_cnt = cnt - ha->req_ring_index; |
3248 | else |
3249 | ha->req_q_cnt = |
3250 | REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt); |
3251 | } |
3252 | |
3253 | /* Found empty request ring slot? */ |
3254 | if (ha->req_q_cnt > 0) { |
3255 | ha->req_q_cnt--; |
3256 | pkt = ha->request_ring_ptr; |
3257 | |
3258 | /* Zero out packet. */ |
3259 | memset(pkt, 0, REQUEST_ENTRY_SIZE); |
3260 | |
3261 | /* |
3262 | * How can this be right when we have a ring |
3263 | * size of 512??? |
3264 | */ |
3265 | /* Set system defined field. */ |
3266 | pkt->sys_define = (uint8_t) ha->req_ring_index; |
3267 | |
3268 | /* Set entry count. */ |
3269 | pkt->entry_count = 1; |
3270 | |
3271 | break; |
3272 | } |
3273 | |
3274 | udelay(2); /* 10 */ |
3275 | |
3276 | /* Check for pending interrupts. */ |
3277 | qla1280_poll(ha); |
3278 | } |
3279 | |
3280 | if (!pkt) |
3281 | dprintk(2, "qla1280_req_pkt: **** FAILED ****\n" ); |
3282 | else |
3283 | dprintk(3, "qla1280_req_pkt: exiting normally\n" ); |
3284 | |
3285 | return pkt; |
3286 | } |
3287 | |
3288 | /* |
3289 | * qla1280_isp_cmd |
3290 | * Function is responsible for modifying ISP input pointer. |
3291 | * Releases ring lock. |
3292 | * |
3293 | * Input: |
3294 | * ha = adapter block pointer. |
3295 | */ |
3296 | static void |
3297 | qla1280_isp_cmd(struct scsi_qla_host *ha) |
3298 | { |
3299 | struct device_reg __iomem *reg = ha->iobase; |
3300 | |
3301 | ENTER("qla1280_isp_cmd" ); |
3302 | |
3303 | dprintk(5, "qla1280_isp_cmd: IOCB data:\n" ); |
3304 | qla1280_dump_buffer(5, (char *)ha->request_ring_ptr, |
3305 | REQUEST_ENTRY_SIZE); |
3306 | |
3307 | /* Adjust ring index. */ |
3308 | ha->req_ring_index++; |
3309 | if (ha->req_ring_index == REQUEST_ENTRY_CNT) { |
3310 | ha->req_ring_index = 0; |
3311 | ha->request_ring_ptr = ha->request_ring; |
3312 | } else |
3313 | ha->request_ring_ptr++; |
3314 | |
3315 | /* |
3316 | * Update request index to mailbox4 (Request Queue In). |
3317 | */ |
3318 | WRT_REG_WORD(®->mailbox4, ha->req_ring_index); |
3319 | |
3320 | LEAVE("qla1280_isp_cmd" ); |
3321 | } |
3322 | |
3323 | /****************************************************************************/ |
3324 | /* Interrupt Service Routine. */ |
3325 | /****************************************************************************/ |
3326 | |
3327 | /**************************************************************************** |
3328 | * qla1280_isr |
3329 | * Calls I/O done on command completion. |
3330 | * |
3331 | * Input: |
3332 | * ha = adapter block pointer. |
3333 | * done_q = done queue. |
3334 | ****************************************************************************/ |
3335 | static void |
3336 | qla1280_isr(struct scsi_qla_host *ha, struct list_head *done_q) |
3337 | { |
3338 | struct device_reg __iomem *reg = ha->iobase; |
3339 | struct response *pkt; |
3340 | struct srb *sp = NULL; |
3341 | uint16_t mailbox[MAILBOX_REGISTER_COUNT]; |
3342 | uint16_t *wptr; |
3343 | uint32_t index; |
3344 | u16 istatus; |
3345 | |
3346 | ENTER("qla1280_isr" ); |
3347 | |
3348 | istatus = RD_REG_WORD(®->istatus); |
3349 | if (!(istatus & (RISC_INT | PCI_INT))) |
3350 | return; |
3351 | |
3352 | /* Save mailbox register 5 */ |
3353 | mailbox[5] = RD_REG_WORD(®->mailbox5); |
3354 | |
3355 | /* Check for mailbox interrupt. */ |
3356 | |
3357 | mailbox[0] = RD_REG_WORD_dmasync(®->semaphore); |
3358 | |
3359 | if (mailbox[0] & BIT_0) { |
3360 | /* Get mailbox data. */ |
3361 | /* dprintk(1, "qla1280_isr: In Get mailbox data \n"); */ |
3362 | |
3363 | wptr = &mailbox[0]; |
3364 | *wptr++ = RD_REG_WORD(®->mailbox0); |
3365 | *wptr++ = RD_REG_WORD(®->mailbox1); |
3366 | *wptr = RD_REG_WORD(®->mailbox2); |
3367 | if (mailbox[0] != MBA_SCSI_COMPLETION) { |
3368 | wptr++; |
3369 | *wptr++ = RD_REG_WORD(®->mailbox3); |
3370 | *wptr++ = RD_REG_WORD(®->mailbox4); |
3371 | wptr++; |
3372 | *wptr++ = RD_REG_WORD(®->mailbox6); |
3373 | *wptr = RD_REG_WORD(®->mailbox7); |
3374 | } |
3375 | |
3376 | /* Release mailbox registers. */ |
3377 | |
3378 | WRT_REG_WORD(®->semaphore, 0); |
3379 | WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT); |
3380 | |
3381 | dprintk(5, "qla1280_isr: mailbox interrupt mailbox[0] = 0x%x" , |
3382 | mailbox[0]); |
3383 | |
3384 | /* Handle asynchronous event */ |
3385 | switch (mailbox[0]) { |
3386 | case MBA_SCSI_COMPLETION: /* Response completion */ |
3387 | dprintk(5, "qla1280_isr: mailbox SCSI response " |
3388 | "completion\n" ); |
3389 | |
3390 | if (ha->flags.online) { |
3391 | /* Get outstanding command index. */ |
3392 | index = mailbox[2] << 16 | mailbox[1]; |
3393 | |
3394 | /* Validate handle. */ |
3395 | if (index < MAX_OUTSTANDING_COMMANDS) |
3396 | sp = ha->outstanding_cmds[index]; |
3397 | else |
3398 | sp = NULL; |
3399 | |
3400 | if (sp) { |
3401 | /* Free outstanding command slot. */ |
3402 | ha->outstanding_cmds[index] = NULL; |
3403 | |
3404 | /* Save ISP completion status */ |
3405 | CMD_RESULT(sp->cmd) = 0; |
3406 | CMD_HANDLE(sp->cmd) = COMPLETED_HANDLE; |
3407 | |
3408 | /* Place block on done queue */ |
3409 | list_add_tail(new: &sp->list, head: done_q); |
3410 | } else { |
3411 | /* |
3412 | * If we get here we have a real problem! |
3413 | */ |
3414 | printk(KERN_WARNING |
3415 | "qla1280: ISP invalid handle\n" ); |
3416 | } |
3417 | } |
3418 | break; |
3419 | |
3420 | case MBA_BUS_RESET: /* SCSI Bus Reset */ |
3421 | ha->flags.reset_marker = 1; |
3422 | index = mailbox[6] & BIT_0; |
3423 | ha->bus_settings[index].reset_marker = 1; |
3424 | |
3425 | printk(KERN_DEBUG "qla1280_isr(): index %i " |
3426 | "asynchronous BUS_RESET\n" , index); |
3427 | break; |
3428 | |
3429 | case MBA_SYSTEM_ERR: /* System Error */ |
3430 | printk(KERN_WARNING |
3431 | "qla1280: ISP System Error - mbx1=%xh, mbx2=" |
3432 | "%xh, mbx3=%xh\n" , mailbox[1], mailbox[2], |
3433 | mailbox[3]); |
3434 | break; |
3435 | |
3436 | case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ |
3437 | printk(KERN_WARNING |
3438 | "qla1280: ISP Request Transfer Error\n" ); |
3439 | break; |
3440 | |
3441 | case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ |
3442 | printk(KERN_WARNING |
3443 | "qla1280: ISP Response Transfer Error\n" ); |
3444 | break; |
3445 | |
3446 | case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ |
3447 | dprintk(2, "qla1280_isr: asynchronous WAKEUP_THRES\n" ); |
3448 | break; |
3449 | |
3450 | case MBA_TIMEOUT_RESET: /* Execution Timeout Reset */ |
3451 | dprintk(2, |
3452 | "qla1280_isr: asynchronous TIMEOUT_RESET\n" ); |
3453 | break; |
3454 | |
3455 | case MBA_DEVICE_RESET: /* Bus Device Reset */ |
3456 | printk(KERN_INFO "qla1280_isr(): asynchronous " |
3457 | "BUS_DEVICE_RESET\n" ); |
3458 | |
3459 | ha->flags.reset_marker = 1; |
3460 | index = mailbox[6] & BIT_0; |
3461 | ha->bus_settings[index].reset_marker = 1; |
3462 | break; |
3463 | |
3464 | case MBA_BUS_MODE_CHANGE: |
3465 | dprintk(2, |
3466 | "qla1280_isr: asynchronous BUS_MODE_CHANGE\n" ); |
3467 | break; |
3468 | |
3469 | default: |
3470 | /* dprintk(1, "qla1280_isr: default case of switch MB \n"); */ |
3471 | if (mailbox[0] < MBA_ASYNC_EVENT) { |
3472 | wptr = &mailbox[0]; |
3473 | memcpy((uint16_t *) ha->mailbox_out, wptr, |
3474 | MAILBOX_REGISTER_COUNT * |
3475 | sizeof(uint16_t)); |
3476 | |
3477 | if(ha->mailbox_wait != NULL) |
3478 | complete(ha->mailbox_wait); |
3479 | } |
3480 | break; |
3481 | } |
3482 | } else { |
3483 | WRT_REG_WORD(®->host_cmd, HC_CLR_RISC_INT); |
3484 | } |
3485 | |
3486 | /* |
3487 | * We will receive interrupts during mailbox testing prior to |
3488 | * the card being marked online, hence the double check. |
3489 | */ |
3490 | if (!(ha->flags.online && !ha->mailbox_wait)) { |
3491 | dprintk(2, "qla1280_isr: Response pointer Error\n" ); |
3492 | goto out; |
3493 | } |
3494 | |
3495 | if (mailbox[5] >= RESPONSE_ENTRY_CNT) |
3496 | goto out; |
3497 | |
3498 | while (ha->rsp_ring_index != mailbox[5]) { |
3499 | pkt = ha->response_ring_ptr; |
3500 | |
3501 | dprintk(5, "qla1280_isr: ha->rsp_ring_index = 0x%x, mailbox[5]" |
3502 | " = 0x%x\n" , ha->rsp_ring_index, mailbox[5]); |
3503 | dprintk(5,"qla1280_isr: response packet data\n" ); |
3504 | qla1280_dump_buffer(5, (char *)pkt, RESPONSE_ENTRY_SIZE); |
3505 | |
3506 | if (pkt->entry_type == STATUS_TYPE) { |
3507 | if ((le16_to_cpu(pkt->scsi_status) & 0xff) |
3508 | || pkt->comp_status || pkt->entry_status) { |
3509 | dprintk(2, "qla1280_isr: ha->rsp_ring_index = " |
3510 | "0x%x mailbox[5] = 0x%x, comp_status " |
3511 | "= 0x%x, scsi_status = 0x%x\n" , |
3512 | ha->rsp_ring_index, mailbox[5], |
3513 | le16_to_cpu(pkt->comp_status), |
3514 | le16_to_cpu(pkt->scsi_status)); |
3515 | } |
3516 | } else { |
3517 | dprintk(2, "qla1280_isr: ha->rsp_ring_index = " |
3518 | "0x%x, mailbox[5] = 0x%x\n" , |
3519 | ha->rsp_ring_index, mailbox[5]); |
3520 | dprintk(2, "qla1280_isr: response packet data\n" ); |
3521 | qla1280_dump_buffer(2, (char *)pkt, |
3522 | RESPONSE_ENTRY_SIZE); |
3523 | } |
3524 | |
3525 | if (pkt->entry_type == STATUS_TYPE || pkt->entry_status) { |
3526 | dprintk(2, "status: Cmd %p, handle %i\n" , |
3527 | ha->outstanding_cmds[pkt->handle]->cmd, |
3528 | pkt->handle); |
3529 | if (pkt->entry_type == STATUS_TYPE) |
3530 | qla1280_status_entry(ha, pkt, done_q); |
3531 | else |
3532 | qla1280_error_entry(ha, pkt, done_q); |
3533 | /* Adjust ring index. */ |
3534 | ha->rsp_ring_index++; |
3535 | if (ha->rsp_ring_index == RESPONSE_ENTRY_CNT) { |
3536 | ha->rsp_ring_index = 0; |
3537 | ha->response_ring_ptr = ha->response_ring; |
3538 | } else |
3539 | ha->response_ring_ptr++; |
3540 | WRT_REG_WORD(®->mailbox5, ha->rsp_ring_index); |
3541 | } |
3542 | } |
3543 | |
3544 | out: |
3545 | LEAVE("qla1280_isr" ); |
3546 | } |
3547 | |
3548 | /* |
3549 | * qla1280_rst_aen |
3550 | * Processes asynchronous reset. |
3551 | * |
3552 | * Input: |
3553 | * ha = adapter block pointer. |
3554 | */ |
3555 | static void |
3556 | qla1280_rst_aen(struct scsi_qla_host *ha) |
3557 | { |
3558 | uint8_t bus; |
3559 | |
3560 | ENTER("qla1280_rst_aen" ); |
3561 | |
3562 | if (ha->flags.online && !ha->flags.reset_active && |
3563 | !ha->flags.abort_isp_active) { |
3564 | ha->flags.reset_active = 1; |
3565 | while (ha->flags.reset_marker) { |
3566 | /* Issue marker command. */ |
3567 | ha->flags.reset_marker = 0; |
3568 | for (bus = 0; bus < ha->ports && |
3569 | !ha->flags.reset_marker; bus++) { |
3570 | if (ha->bus_settings[bus].reset_marker) { |
3571 | ha->bus_settings[bus].reset_marker = 0; |
3572 | qla1280_marker(ha, bus, id: 0, lun: 0, |
3573 | MK_SYNC_ALL); |
3574 | } |
3575 | } |
3576 | } |
3577 | } |
3578 | |
3579 | LEAVE("qla1280_rst_aen" ); |
3580 | } |
3581 | |
3582 | |
3583 | /* |
3584 | * qla1280_status_entry |
3585 | * Processes received ISP status entry. |
3586 | * |
3587 | * Input: |
3588 | * ha = adapter block pointer. |
3589 | * pkt = entry pointer. |
3590 | * done_q = done queue. |
3591 | */ |
3592 | static void |
3593 | qla1280_status_entry(struct scsi_qla_host *ha, struct response *pkt, |
3594 | struct list_head *done_q) |
3595 | { |
3596 | int sense_sz; |
3597 | struct srb *sp; |
3598 | struct scsi_cmnd *cmd; |
3599 | uint32_t handle = le32_to_cpu(pkt->handle); |
3600 | uint16_t scsi_status = le16_to_cpu(pkt->scsi_status); |
3601 | uint16_t comp_status = le16_to_cpu(pkt->comp_status); |
3602 | |
3603 | ENTER("qla1280_status_entry" ); |
3604 | |
3605 | /* Validate handle. */ |
3606 | if (handle < MAX_OUTSTANDING_COMMANDS) |
3607 | sp = ha->outstanding_cmds[handle]; |
3608 | else |
3609 | sp = NULL; |
3610 | |
3611 | if (!sp) { |
3612 | printk(KERN_WARNING "qla1280: Status Entry invalid handle\n" ); |
3613 | goto out; |
3614 | } |
3615 | |
3616 | /* Free outstanding command slot. */ |
3617 | ha->outstanding_cmds[handle] = NULL; |
3618 | |
3619 | cmd = sp->cmd; |
3620 | |
3621 | if (comp_status || scsi_status) { |
3622 | dprintk(3, "scsi: comp_status = 0x%x, scsi_status = " |
3623 | "0x%x, handle = 0x%x\n" , comp_status, |
3624 | scsi_status, handle); |
3625 | } |
3626 | |
3627 | /* Target busy or queue full */ |
3628 | if ((scsi_status & 0xFF) == SAM_STAT_TASK_SET_FULL || |
3629 | (scsi_status & 0xFF) == SAM_STAT_BUSY) { |
3630 | CMD_RESULT(cmd) = scsi_status & 0xff; |
3631 | } else { |
3632 | |
3633 | /* Save ISP completion status */ |
3634 | CMD_RESULT(cmd) = qla1280_return_status(sts: pkt, cp: cmd); |
3635 | |
3636 | if (scsi_status & SAM_STAT_CHECK_CONDITION) { |
3637 | if (comp_status != CS_ARS_FAILED) { |
3638 | uint16_t req_sense_length = |
3639 | le16_to_cpu(pkt->req_sense_length); |
3640 | if (req_sense_length < CMD_SNSLEN(cmd)) |
3641 | sense_sz = req_sense_length; |
3642 | else |
3643 | /* |
3644 | * scsi_cmnd->sense_buffer is |
3645 | * 64 bytes, why only copy 63? |
3646 | * This looks wrong! /Jes |
3647 | */ |
3648 | sense_sz = CMD_SNSLEN(cmd) - 1; |
3649 | |
3650 | memcpy(cmd->sense_buffer, |
3651 | &pkt->req_sense_data, sense_sz); |
3652 | } else |
3653 | sense_sz = 0; |
3654 | memset(cmd->sense_buffer + sense_sz, 0, |
3655 | SCSI_SENSE_BUFFERSIZE - sense_sz); |
3656 | |
3657 | dprintk(2, "qla1280_status_entry: Check " |
3658 | "condition Sense data, b %i, t %i, " |
3659 | "l %i\n" , SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), |
3660 | SCSI_LUN_32(cmd)); |
3661 | if (sense_sz) |
3662 | qla1280_dump_buffer(2, |
3663 | (char *)cmd->sense_buffer, |
3664 | sense_sz); |
3665 | } |
3666 | } |
3667 | |
3668 | CMD_HANDLE(sp->cmd) = COMPLETED_HANDLE; |
3669 | |
3670 | /* Place command on done queue. */ |
3671 | list_add_tail(new: &sp->list, head: done_q); |
3672 | out: |
3673 | LEAVE("qla1280_status_entry" ); |
3674 | } |
3675 | |
3676 | /* |
3677 | * qla1280_error_entry |
3678 | * Processes error entry. |
3679 | * |
3680 | * Input: |
3681 | * ha = adapter block pointer. |
3682 | * pkt = entry pointer. |
3683 | * done_q = done queue. |
3684 | */ |
3685 | static void |
3686 | qla1280_error_entry(struct scsi_qla_host *ha, struct response *pkt, |
3687 | struct list_head *done_q) |
3688 | { |
3689 | struct srb *sp; |
3690 | uint32_t handle = le32_to_cpu(pkt->handle); |
3691 | |
3692 | ENTER("qla1280_error_entry" ); |
3693 | |
3694 | if (pkt->entry_status & BIT_3) |
3695 | dprintk(2, "qla1280_error_entry: BAD PAYLOAD flag error\n" ); |
3696 | else if (pkt->entry_status & BIT_2) |
3697 | dprintk(2, "qla1280_error_entry: BAD HEADER flag error\n" ); |
3698 | else if (pkt->entry_status & BIT_1) |
3699 | dprintk(2, "qla1280_error_entry: FULL flag error\n" ); |
3700 | else |
3701 | dprintk(2, "qla1280_error_entry: UNKNOWN flag error\n" ); |
3702 | |
3703 | /* Validate handle. */ |
3704 | if (handle < MAX_OUTSTANDING_COMMANDS) |
3705 | sp = ha->outstanding_cmds[handle]; |
3706 | else |
3707 | sp = NULL; |
3708 | |
3709 | if (sp) { |
3710 | /* Free outstanding command slot. */ |
3711 | ha->outstanding_cmds[handle] = NULL; |
3712 | |
3713 | /* Bad payload or header */ |
3714 | if (pkt->entry_status & (BIT_3 + BIT_2)) { |
3715 | /* Bad payload or header, set error status. */ |
3716 | /* CMD_RESULT(sp->cmd) = CS_BAD_PAYLOAD; */ |
3717 | CMD_RESULT(sp->cmd) = DID_ERROR << 16; |
3718 | } else if (pkt->entry_status & BIT_1) { /* FULL flag */ |
3719 | CMD_RESULT(sp->cmd) = DID_BUS_BUSY << 16; |
3720 | } else { |
3721 | /* Set error status. */ |
3722 | CMD_RESULT(sp->cmd) = DID_ERROR << 16; |
3723 | } |
3724 | |
3725 | CMD_HANDLE(sp->cmd) = COMPLETED_HANDLE; |
3726 | |
3727 | /* Place command on done queue. */ |
3728 | list_add_tail(new: &sp->list, head: done_q); |
3729 | } |
3730 | #ifdef QLA_64BIT_PTR |
3731 | else if (pkt->entry_type == COMMAND_A64_TYPE) { |
3732 | printk(KERN_WARNING "!qla1280: Error Entry invalid handle" ); |
3733 | } |
3734 | #endif |
3735 | |
3736 | LEAVE("qla1280_error_entry" ); |
3737 | } |
3738 | |
3739 | /* |
3740 | * qla1280_abort_isp |
3741 | * Resets ISP and aborts all outstanding commands. |
3742 | * |
3743 | * Input: |
3744 | * ha = adapter block pointer. |
3745 | * |
3746 | * Returns: |
3747 | * 0 = success |
3748 | */ |
3749 | static int |
3750 | qla1280_abort_isp(struct scsi_qla_host *ha) |
3751 | { |
3752 | struct device_reg __iomem *reg = ha->iobase; |
3753 | struct srb *sp; |
3754 | int status = 0; |
3755 | int cnt; |
3756 | int bus; |
3757 | |
3758 | ENTER("qla1280_abort_isp" ); |
3759 | |
3760 | if (ha->flags.abort_isp_active || !ha->flags.online) |
3761 | goto out; |
3762 | |
3763 | ha->flags.abort_isp_active = 1; |
3764 | |
3765 | /* Disable ISP interrupts. */ |
3766 | qla1280_disable_intrs(ha); |
3767 | WRT_REG_WORD(®->host_cmd, HC_PAUSE_RISC); |
3768 | RD_REG_WORD(®->id_l); |
3769 | |
3770 | printk(KERN_INFO "scsi(%li): dequeuing outstanding commands\n" , |
3771 | ha->host_no); |
3772 | /* Dequeue all commands in outstanding command list. */ |
3773 | for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { |
3774 | struct scsi_cmnd *cmd; |
3775 | sp = ha->outstanding_cmds[cnt]; |
3776 | if (sp) { |
3777 | cmd = sp->cmd; |
3778 | CMD_RESULT(cmd) = DID_RESET << 16; |
3779 | CMD_HANDLE(cmd) = COMPLETED_HANDLE; |
3780 | ha->outstanding_cmds[cnt] = NULL; |
3781 | list_add_tail(new: &sp->list, head: &ha->done_q); |
3782 | } |
3783 | } |
3784 | |
3785 | qla1280_done(ha); |
3786 | |
3787 | status = qla1280_load_firmware(ha); |
3788 | if (status) |
3789 | goto out; |
3790 | |
3791 | /* Setup adapter based on NVRAM parameters. */ |
3792 | qla1280_nvram_config (ha); |
3793 | |
3794 | status = qla1280_init_rings(ha); |
3795 | if (status) |
3796 | goto out; |
3797 | |
3798 | /* Issue SCSI reset. */ |
3799 | for (bus = 0; bus < ha->ports; bus++) |
3800 | qla1280_bus_reset(ha, bus); |
3801 | |
3802 | ha->flags.abort_isp_active = 0; |
3803 | out: |
3804 | if (status) { |
3805 | printk(KERN_WARNING |
3806 | "qla1280: ISP error recovery failed, board disabled" ); |
3807 | qla1280_reset_adapter(ha); |
3808 | dprintk(2, "qla1280_abort_isp: **** FAILED ****\n" ); |
3809 | } |
3810 | |
3811 | LEAVE("qla1280_abort_isp" ); |
3812 | return status; |
3813 | } |
3814 | |
3815 | |
3816 | /* |
3817 | * qla1280_debounce_register |
3818 | * Debounce register. |
3819 | * |
3820 | * Input: |
3821 | * port = register address. |
3822 | * |
3823 | * Returns: |
3824 | * register value. |
3825 | */ |
3826 | static u16 |
3827 | qla1280_debounce_register(volatile u16 __iomem * addr) |
3828 | { |
3829 | volatile u16 ret; |
3830 | volatile u16 ret2; |
3831 | |
3832 | ret = RD_REG_WORD(addr); |
3833 | ret2 = RD_REG_WORD(addr); |
3834 | |
3835 | if (ret == ret2) |
3836 | return ret; |
3837 | |
3838 | do { |
3839 | cpu_relax(); |
3840 | ret = RD_REG_WORD(addr); |
3841 | ret2 = RD_REG_WORD(addr); |
3842 | } while (ret != ret2); |
3843 | |
3844 | return ret; |
3845 | } |
3846 | |
3847 | |
3848 | /************************************************************************ |
3849 | * qla1280_check_for_dead_scsi_bus * |
3850 | * * |
3851 | * This routine checks for a dead SCSI bus * |
3852 | ************************************************************************/ |
3853 | #define SET_SXP_BANK 0x0100 |
3854 | #define SCSI_PHASE_INVALID 0x87FF |
3855 | static int |
3856 | qla1280_check_for_dead_scsi_bus(struct scsi_qla_host *ha, unsigned int bus) |
3857 | { |
3858 | uint16_t config_reg, scsi_control; |
3859 | struct device_reg __iomem *reg = ha->iobase; |
3860 | |
3861 | if (ha->bus_settings[bus].scsi_bus_dead) { |
3862 | WRT_REG_WORD(®->host_cmd, HC_PAUSE_RISC); |
3863 | config_reg = RD_REG_WORD(®->cfg_1); |
3864 | WRT_REG_WORD(®->cfg_1, SET_SXP_BANK); |
3865 | scsi_control = RD_REG_WORD(®->scsiControlPins); |
3866 | WRT_REG_WORD(®->cfg_1, config_reg); |
3867 | WRT_REG_WORD(®->host_cmd, HC_RELEASE_RISC); |
3868 | |
3869 | if (scsi_control == SCSI_PHASE_INVALID) { |
3870 | ha->bus_settings[bus].scsi_bus_dead = 1; |
3871 | return 1; /* bus is dead */ |
3872 | } else { |
3873 | ha->bus_settings[bus].scsi_bus_dead = 0; |
3874 | ha->bus_settings[bus].failed_reset_count = 0; |
3875 | } |
3876 | } |
3877 | return 0; /* bus is not dead */ |
3878 | } |
3879 | |
3880 | static void |
3881 | qla1280_get_target_parameters(struct scsi_qla_host *ha, |
3882 | struct scsi_device *device) |
3883 | { |
3884 | uint16_t mb[MAILBOX_REGISTER_COUNT]; |
3885 | int bus, target, lun; |
3886 | |
3887 | bus = device->channel; |
3888 | target = device->id; |
3889 | lun = device->lun; |
3890 | |
3891 | |
3892 | mb[0] = MBC_GET_TARGET_PARAMETERS; |
3893 | mb[1] = (uint16_t) (bus ? target | BIT_7 : target); |
3894 | mb[1] <<= 8; |
3895 | qla1280_mailbox_command(ha, BIT_6 | BIT_3 | BIT_2 | BIT_1 | BIT_0, |
3896 | mb: &mb[0]); |
3897 | |
3898 | printk(KERN_INFO "scsi(%li:%d:%d:%d):" , ha->host_no, bus, target, lun); |
3899 | |
3900 | if (mb[3] != 0) { |
3901 | printk(KERN_CONT " Sync: period %d, offset %d" , |
3902 | (mb[3] & 0xff), (mb[3] >> 8)); |
3903 | if (mb[2] & BIT_13) |
3904 | printk(KERN_CONT ", Wide" ); |
3905 | if ((mb[2] & BIT_5) && ((mb[6] >> 8) & 0xff) >= 2) |
3906 | printk(KERN_CONT ", DT" ); |
3907 | } else |
3908 | printk(KERN_CONT " Async" ); |
3909 | |
3910 | if (device->simple_tags) |
3911 | printk(KERN_CONT ", Tagged queuing: depth %d" , device->queue_depth); |
3912 | printk(KERN_CONT "\n" ); |
3913 | } |
3914 | |
3915 | |
3916 | #if DEBUG_QLA1280 |
3917 | static void |
3918 | __qla1280_dump_buffer(char *b, int size) |
3919 | { |
3920 | int cnt; |
3921 | u8 c; |
3922 | |
3923 | printk(KERN_DEBUG " 0 1 2 3 4 5 6 7 8 9 Ah " |
3924 | "Bh Ch Dh Eh Fh\n" ); |
3925 | printk(KERN_DEBUG "---------------------------------------------" |
3926 | "------------------\n" ); |
3927 | |
3928 | for (cnt = 0; cnt < size;) { |
3929 | c = *b++; |
3930 | |
3931 | printk("0x%02x" , c); |
3932 | cnt++; |
3933 | if (!(cnt % 16)) |
3934 | printk("\n" ); |
3935 | else |
3936 | printk(" " ); |
3937 | } |
3938 | if (cnt % 16) |
3939 | printk("\n" ); |
3940 | } |
3941 | |
3942 | /************************************************************************** |
3943 | * ql1280_print_scsi_cmd |
3944 | * |
3945 | **************************************************************************/ |
3946 | static void |
3947 | __qla1280_print_scsi_cmd(struct scsi_cmnd *cmd) |
3948 | { |
3949 | struct scsi_qla_host *ha; |
3950 | struct Scsi_Host *host = CMD_HOST(cmd); |
3951 | struct srb *sp; |
3952 | /* struct scatterlist *sg; */ |
3953 | |
3954 | int i; |
3955 | ha = (struct scsi_qla_host *)host->hostdata; |
3956 | |
3957 | sp = scsi_cmd_priv(cmd); |
3958 | printk("SCSI Command @= 0x%p, Handle=0x%p\n" , cmd, CMD_HANDLE(cmd)); |
3959 | printk(" chan=%d, target = 0x%02x, lun = 0x%02x, cmd_len = 0x%02x\n" , |
3960 | SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd), |
3961 | CMD_CDBLEN(cmd)); |
3962 | printk(" CDB = " ); |
3963 | for (i = 0; i < cmd->cmd_len; i++) { |
3964 | printk("0x%02x " , cmd->cmnd[i]); |
3965 | } |
3966 | printk(" seg_cnt =%d\n" , scsi_sg_count(cmd)); |
3967 | printk(" request buffer=0x%p, request buffer len=0x%x\n" , |
3968 | scsi_sglist(cmd), scsi_bufflen(cmd)); |
3969 | /* if (cmd->use_sg) |
3970 | { |
3971 | sg = (struct scatterlist *) cmd->request_buffer; |
3972 | printk(" SG buffer: \n"); |
3973 | qla1280_dump_buffer(1, (char *)sg, (cmd->use_sg*sizeof(struct scatterlist))); |
3974 | } */ |
3975 | printk(" tag=%d, transfersize=0x%x \n" , |
3976 | scsi_cmd_to_rq(cmd)->tag, cmd->transfersize); |
3977 | printk(" underflow size = 0x%x, direction=0x%x\n" , |
3978 | cmd->underflow, cmd->sc_data_direction); |
3979 | } |
3980 | |
3981 | /************************************************************************** |
3982 | * ql1280_dump_device |
3983 | * |
3984 | **************************************************************************/ |
3985 | static void |
3986 | ql1280_dump_device(struct scsi_qla_host *ha) |
3987 | { |
3988 | |
3989 | struct scsi_cmnd *cp; |
3990 | struct srb *sp; |
3991 | int i; |
3992 | |
3993 | printk(KERN_DEBUG "Outstanding Commands on controller:\n" ); |
3994 | |
3995 | for (i = 0; i < MAX_OUTSTANDING_COMMANDS; i++) { |
3996 | if ((sp = ha->outstanding_cmds[i]) == NULL) |
3997 | continue; |
3998 | if ((cp = sp->cmd) == NULL) |
3999 | continue; |
4000 | qla1280_print_scsi_cmd(1, cp); |
4001 | } |
4002 | } |
4003 | #endif |
4004 | |
4005 | |
4006 | enum tokens { |
4007 | TOKEN_NVRAM, |
4008 | TOKEN_SYNC, |
4009 | TOKEN_WIDE, |
4010 | TOKEN_PPR, |
4011 | TOKEN_VERBOSE, |
4012 | TOKEN_DEBUG, |
4013 | }; |
4014 | |
4015 | struct setup_tokens { |
4016 | char *token; |
4017 | int val; |
4018 | }; |
4019 | |
4020 | static struct setup_tokens setup_token[] __initdata = |
4021 | { |
4022 | { "nvram" , TOKEN_NVRAM }, |
4023 | { "sync" , TOKEN_SYNC }, |
4024 | { "wide" , TOKEN_WIDE }, |
4025 | { "ppr" , TOKEN_PPR }, |
4026 | { "verbose" , TOKEN_VERBOSE }, |
4027 | { "debug" , TOKEN_DEBUG }, |
4028 | }; |
4029 | |
4030 | |
4031 | /************************************************************************** |
4032 | * qla1280_setup |
4033 | * |
4034 | * Handle boot parameters. This really needs to be changed so one |
4035 | * can specify per adapter parameters. |
4036 | **************************************************************************/ |
4037 | static int __init |
4038 | qla1280_setup(char *s) |
4039 | { |
4040 | char *cp, *ptr; |
4041 | unsigned long val; |
4042 | |
4043 | cp = s; |
4044 | |
4045 | while (cp && (ptr = strchr(cp, ':'))) { |
4046 | ptr++; |
4047 | if (!strcmp(ptr, "yes" )) { |
4048 | val = 0x10000; |
4049 | ptr += 3; |
4050 | } else if (!strcmp(ptr, "no" )) { |
4051 | val = 0; |
4052 | ptr += 2; |
4053 | } else |
4054 | val = simple_strtoul(ptr, &ptr, 0); |
4055 | |
4056 | switch (qla1280_get_token(cp)) { |
4057 | case TOKEN_NVRAM: |
4058 | if (!val) |
4059 | driver_setup.no_nvram = 1; |
4060 | break; |
4061 | case TOKEN_SYNC: |
4062 | if (!val) |
4063 | driver_setup.no_sync = 1; |
4064 | else if (val != 0x10000) |
4065 | driver_setup.sync_mask = val; |
4066 | break; |
4067 | case TOKEN_WIDE: |
4068 | if (!val) |
4069 | driver_setup.no_wide = 1; |
4070 | else if (val != 0x10000) |
4071 | driver_setup.wide_mask = val; |
4072 | break; |
4073 | case TOKEN_PPR: |
4074 | if (!val) |
4075 | driver_setup.no_ppr = 1; |
4076 | else if (val != 0x10000) |
4077 | driver_setup.ppr_mask = val; |
4078 | break; |
4079 | case TOKEN_VERBOSE: |
4080 | qla1280_verbose = val; |
4081 | break; |
4082 | default: |
4083 | printk(KERN_INFO "qla1280: unknown boot option %s\n" , |
4084 | cp); |
4085 | } |
4086 | |
4087 | cp = strchr(ptr, ';'); |
4088 | if (cp) |
4089 | cp++; |
4090 | else { |
4091 | break; |
4092 | } |
4093 | } |
4094 | return 1; |
4095 | } |
4096 | |
4097 | |
4098 | static int __init |
4099 | qla1280_get_token(char *str) |
4100 | { |
4101 | char *sep; |
4102 | long ret = -1; |
4103 | int i; |
4104 | |
4105 | sep = strchr(str, ':'); |
4106 | |
4107 | if (sep) { |
4108 | for (i = 0; i < ARRAY_SIZE(setup_token); i++) { |
4109 | if (!strncmp(setup_token[i].token, str, (sep - str))) { |
4110 | ret = setup_token[i].val; |
4111 | break; |
4112 | } |
4113 | } |
4114 | } |
4115 | |
4116 | return ret; |
4117 | } |
4118 | |
4119 | |
4120 | static const struct scsi_host_template qla1280_driver_template = { |
4121 | .module = THIS_MODULE, |
4122 | .proc_name = "qla1280" , |
4123 | .name = "Qlogic ISP 1280/12160" , |
4124 | .info = qla1280_info, |
4125 | .slave_configure = qla1280_slave_configure, |
4126 | .queuecommand = qla1280_queuecommand, |
4127 | .eh_abort_handler = qla1280_eh_abort, |
4128 | .eh_device_reset_handler= qla1280_eh_device_reset, |
4129 | .eh_bus_reset_handler = qla1280_eh_bus_reset, |
4130 | .eh_host_reset_handler = qla1280_eh_adapter_reset, |
4131 | .bios_param = qla1280_biosparam, |
4132 | .can_queue = MAX_OUTSTANDING_COMMANDS, |
4133 | .this_id = -1, |
4134 | .sg_tablesize = SG_ALL, |
4135 | .cmd_size = sizeof(struct srb), |
4136 | }; |
4137 | |
4138 | |
4139 | static int |
4140 | qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) |
4141 | { |
4142 | int devnum = id->driver_data; |
4143 | struct qla_boards *bdp = &ql1280_board_tbl[devnum]; |
4144 | struct Scsi_Host *host; |
4145 | struct scsi_qla_host *ha; |
4146 | int error = -ENODEV; |
4147 | |
4148 | /* Bypass all AMI SUBSYS VENDOR IDs */ |
4149 | if (pdev->subsystem_vendor == PCI_VENDOR_ID_AMI) { |
4150 | printk(KERN_INFO |
4151 | "qla1280: Skipping AMI SubSys Vendor ID Chip\n" ); |
4152 | goto error; |
4153 | } |
4154 | |
4155 | printk(KERN_INFO "qla1280: %s found on PCI bus %i, dev %i\n" , |
4156 | bdp->name, pdev->bus->number, PCI_SLOT(pdev->devfn)); |
4157 | |
4158 | if (pci_enable_device(dev: pdev)) { |
4159 | printk(KERN_WARNING |
4160 | "qla1280: Failed to enabled pci device, aborting.\n" ); |
4161 | goto error; |
4162 | } |
4163 | |
4164 | pci_set_master(dev: pdev); |
4165 | |
4166 | error = -ENOMEM; |
4167 | host = scsi_host_alloc(&qla1280_driver_template, sizeof(*ha)); |
4168 | if (!host) { |
4169 | printk(KERN_WARNING |
4170 | "qla1280: Failed to register host, aborting.\n" ); |
4171 | goto error_disable_device; |
4172 | } |
4173 | |
4174 | ha = (struct scsi_qla_host *)host->hostdata; |
4175 | memset(ha, 0, sizeof(struct scsi_qla_host)); |
4176 | |
4177 | ha->pdev = pdev; |
4178 | ha->devnum = devnum; /* specifies microcode load address */ |
4179 | |
4180 | #ifdef QLA_64BIT_PTR |
4181 | if (dma_set_mask_and_coherent(dev: &ha->pdev->dev, DMA_BIT_MASK(64))) { |
4182 | if (dma_set_mask(dev: &ha->pdev->dev, DMA_BIT_MASK(32))) { |
4183 | printk(KERN_WARNING "scsi(%li): Unable to set a " |
4184 | "suitable DMA mask - aborting\n" , ha->host_no); |
4185 | error = -ENODEV; |
4186 | goto error_put_host; |
4187 | } |
4188 | } else |
4189 | dprintk(2, "scsi(%li): 64 Bit PCI Addressing Enabled\n" , |
4190 | ha->host_no); |
4191 | #else |
4192 | if (dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32))) { |
4193 | printk(KERN_WARNING "scsi(%li): Unable to set a " |
4194 | "suitable DMA mask - aborting\n" , ha->host_no); |
4195 | error = -ENODEV; |
4196 | goto error_put_host; |
4197 | } |
4198 | #endif |
4199 | |
4200 | ha->request_ring = dma_alloc_coherent(dev: &ha->pdev->dev, |
4201 | size: ((REQUEST_ENTRY_CNT + 1) * sizeof(request_t)), |
4202 | dma_handle: &ha->request_dma, GFP_KERNEL); |
4203 | if (!ha->request_ring) { |
4204 | printk(KERN_INFO "qla1280: Failed to get request memory\n" ); |
4205 | goto error_put_host; |
4206 | } |
4207 | |
4208 | ha->response_ring = dma_alloc_coherent(dev: &ha->pdev->dev, |
4209 | size: ((RESPONSE_ENTRY_CNT + 1) * sizeof(struct response)), |
4210 | dma_handle: &ha->response_dma, GFP_KERNEL); |
4211 | if (!ha->response_ring) { |
4212 | printk(KERN_INFO "qla1280: Failed to get response memory\n" ); |
4213 | goto error_free_request_ring; |
4214 | } |
4215 | |
4216 | ha->ports = bdp->numPorts; |
4217 | |
4218 | ha->host = host; |
4219 | ha->host_no = host->host_no; |
4220 | |
4221 | host->irq = pdev->irq; |
4222 | host->max_channel = bdp->numPorts - 1; |
4223 | host->max_lun = MAX_LUNS - 1; |
4224 | host->max_id = MAX_TARGETS; |
4225 | host->max_sectors = 1024; |
4226 | host->unique_id = host->host_no; |
4227 | |
4228 | error = -ENODEV; |
4229 | |
4230 | #if MEMORY_MAPPED_IO |
4231 | ha->mmpbase = pci_ioremap_bar(pdev: ha->pdev, bar: 1); |
4232 | if (!ha->mmpbase) { |
4233 | printk(KERN_INFO "qla1280: Unable to map I/O memory\n" ); |
4234 | goto error_free_response_ring; |
4235 | } |
4236 | |
4237 | host->base = (unsigned long)ha->mmpbase; |
4238 | ha->iobase = (struct device_reg __iomem *)ha->mmpbase; |
4239 | #else |
4240 | host->io_port = pci_resource_start(ha->pdev, 0); |
4241 | if (!request_region(host->io_port, 0xff, "qla1280" )) { |
4242 | printk(KERN_INFO "qla1280: Failed to reserve i/o region " |
4243 | "0x%04lx-0x%04lx - already in use\n" , |
4244 | host->io_port, host->io_port + 0xff); |
4245 | goto error_free_response_ring; |
4246 | } |
4247 | |
4248 | ha->iobase = (struct device_reg *)host->io_port; |
4249 | #endif |
4250 | |
4251 | INIT_LIST_HEAD(list: &ha->done_q); |
4252 | |
4253 | /* Disable ISP interrupts. */ |
4254 | qla1280_disable_intrs(ha); |
4255 | |
4256 | if (request_irq(irq: pdev->irq, handler: qla1280_intr_handler, IRQF_SHARED, |
4257 | name: "qla1280" , dev: ha)) { |
4258 | printk("qla1280 : Failed to reserve interrupt %d already " |
4259 | "in use\n" , pdev->irq); |
4260 | goto error_release_region; |
4261 | } |
4262 | |
4263 | /* load the F/W, read paramaters, and init the H/W */ |
4264 | if (qla1280_initialize_adapter(ha)) { |
4265 | printk(KERN_INFO "qla1x160: Failed to initialize adapter\n" ); |
4266 | goto error_free_irq; |
4267 | } |
4268 | |
4269 | /* set our host ID (need to do something about our two IDs) */ |
4270 | host->this_id = ha->bus_settings[0].id; |
4271 | |
4272 | pci_set_drvdata(pdev, data: host); |
4273 | |
4274 | error = scsi_add_host(host, dev: &pdev->dev); |
4275 | if (error) |
4276 | goto error_disable_adapter; |
4277 | scsi_scan_host(host); |
4278 | |
4279 | return 0; |
4280 | |
4281 | error_disable_adapter: |
4282 | qla1280_disable_intrs(ha); |
4283 | error_free_irq: |
4284 | free_irq(pdev->irq, ha); |
4285 | error_release_region: |
4286 | #if MEMORY_MAPPED_IO |
4287 | iounmap(addr: ha->mmpbase); |
4288 | #else |
4289 | release_region(host->io_port, 0xff); |
4290 | #endif |
4291 | error_free_response_ring: |
4292 | dma_free_coherent(dev: &ha->pdev->dev, |
4293 | size: ((RESPONSE_ENTRY_CNT + 1) * sizeof(struct response)), |
4294 | cpu_addr: ha->response_ring, dma_handle: ha->response_dma); |
4295 | error_free_request_ring: |
4296 | dma_free_coherent(dev: &ha->pdev->dev, |
4297 | size: ((REQUEST_ENTRY_CNT + 1) * sizeof(request_t)), |
4298 | cpu_addr: ha->request_ring, dma_handle: ha->request_dma); |
4299 | error_put_host: |
4300 | scsi_host_put(t: host); |
4301 | error_disable_device: |
4302 | pci_disable_device(dev: pdev); |
4303 | error: |
4304 | return error; |
4305 | } |
4306 | |
4307 | |
4308 | static void |
4309 | qla1280_remove_one(struct pci_dev *pdev) |
4310 | { |
4311 | struct Scsi_Host *host = pci_get_drvdata(pdev); |
4312 | struct scsi_qla_host *ha = (struct scsi_qla_host *)host->hostdata; |
4313 | |
4314 | scsi_remove_host(host); |
4315 | |
4316 | qla1280_disable_intrs(ha); |
4317 | |
4318 | free_irq(pdev->irq, ha); |
4319 | |
4320 | #if MEMORY_MAPPED_IO |
4321 | iounmap(addr: ha->mmpbase); |
4322 | #else |
4323 | release_region(host->io_port, 0xff); |
4324 | #endif |
4325 | |
4326 | dma_free_coherent(dev: &ha->pdev->dev, |
4327 | size: ((REQUEST_ENTRY_CNT + 1) * (sizeof(request_t))), |
4328 | cpu_addr: ha->request_ring, dma_handle: ha->request_dma); |
4329 | dma_free_coherent(dev: &ha->pdev->dev, |
4330 | size: ((RESPONSE_ENTRY_CNT + 1) * (sizeof(struct response))), |
4331 | cpu_addr: ha->response_ring, dma_handle: ha->response_dma); |
4332 | |
4333 | pci_disable_device(dev: pdev); |
4334 | |
4335 | scsi_host_put(t: host); |
4336 | } |
4337 | |
4338 | static struct pci_driver qla1280_pci_driver = { |
4339 | .name = "qla1280" , |
4340 | .id_table = qla1280_pci_tbl, |
4341 | .probe = qla1280_probe_one, |
4342 | .remove = qla1280_remove_one, |
4343 | }; |
4344 | |
4345 | static int __init |
4346 | qla1280_init(void) |
4347 | { |
4348 | #ifdef MODULE |
4349 | /* |
4350 | * If we are called as a module, the qla1280 pointer may not be null |
4351 | * and it would point to our bootup string, just like on the lilo |
4352 | * command line. IF not NULL, then process this config string with |
4353 | * qla1280_setup |
4354 | * |
4355 | * Boot time Options |
4356 | * To add options at boot time add a line to your lilo.conf file like: |
4357 | * append="qla1280=verbose,max_tags:{{255,255,255,255},{255,255,255,255}}" |
4358 | * which will result in the first four devices on the first two |
4359 | * controllers being set to a tagged queue depth of 32. |
4360 | */ |
4361 | if (qla1280) |
4362 | qla1280_setup(qla1280); |
4363 | #endif |
4364 | |
4365 | return pci_register_driver(&qla1280_pci_driver); |
4366 | } |
4367 | |
4368 | static void __exit |
4369 | qla1280_exit(void) |
4370 | { |
4371 | int i; |
4372 | |
4373 | pci_unregister_driver(dev: &qla1280_pci_driver); |
4374 | /* release any allocated firmware images */ |
4375 | for (i = 0; i < QL_NUM_FW_IMAGES; i++) { |
4376 | release_firmware(fw: qla1280_fw_tbl[i].fw); |
4377 | qla1280_fw_tbl[i].fw = NULL; |
4378 | } |
4379 | } |
4380 | |
4381 | module_init(qla1280_init); |
4382 | module_exit(qla1280_exit); |
4383 | |
4384 | MODULE_AUTHOR("Qlogic & Jes Sorensen" ); |
4385 | MODULE_DESCRIPTION("Qlogic ISP SCSI (qla1x80/qla1x160) driver" ); |
4386 | MODULE_LICENSE("GPL" ); |
4387 | MODULE_FIRMWARE("qlogic/1040.bin" ); |
4388 | MODULE_FIRMWARE("qlogic/1280.bin" ); |
4389 | MODULE_FIRMWARE("qlogic/12160.bin" ); |
4390 | MODULE_VERSION(QLA1280_VERSION); |
4391 | |