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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[mirror_ubuntu-zesty-kernel.git] / drivers / scsi / aacraid / aachba.c
CommitLineData
1da177e4
LT		 1/*
2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
4 *
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
7 *
03d44337 8 * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
1da177e4
LT		 9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2, or (at your option)
13 * any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; see the file COPYING. If not, write to
22 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
23 *
24 */
25
26#include <linux/kernel.h>
27#include <linux/init.h>
28#include <linux/types.h>
1da177e4
LT		 29#include <linux/pci.h>
30#include <linux/spinlock.h>
31#include <linux/slab.h>
32#include <linux/completion.h>
33#include <linux/blkdev.h>
34#include <asm/semaphore.h>
35#include <asm/uaccess.h>
3a0086a8 36#include <linux/highmem.h> /* For flush_kernel_dcache_page */
1da177e4
LT		 37
38#include <scsi/scsi.h>
39#include <scsi/scsi_cmnd.h>
40#include <scsi/scsi_device.h>
41#include <scsi/scsi_host.h>
42
43#include "aacraid.h"
44
45/* values for inqd_pdt: Peripheral device type in plain English */
46#define INQD_PDT_DA 0x00 /* Direct-access (DISK) device */
47#define INQD_PDT_PROC 0x03 /* Processor device */
48#define INQD_PDT_CHNGR 0x08 /* Changer (jukebox, scsi2) */
49#define INQD_PDT_COMM 0x09 /* Communication device (scsi2) */
50#define INQD_PDT_NOLUN2 0x1f /* Unknown Device (scsi2) */
51#define INQD_PDT_NOLUN 0x7f /* Logical Unit Not Present */
52
53#define INQD_PDT_DMASK 0x1F /* Peripheral Device Type Mask */
54#define INQD_PDT_QMASK 0xE0 /* Peripheral Device Qualifer Mask */
55
1da177e4
LT		 56/*
57 * Sense codes
58 */
8ce3eca4
SM		 59
60#define SENCODE_NO_SENSE 0x00
61#define SENCODE_END_OF_DATA 0x00
62#define SENCODE_BECOMING_READY 0x04
63#define SENCODE_INIT_CMD_REQUIRED 0x04
64#define SENCODE_PARAM_LIST_LENGTH_ERROR 0x1A
65#define SENCODE_INVALID_COMMAND 0x20
66#define SENCODE_LBA_OUT_OF_RANGE 0x21
67#define SENCODE_INVALID_CDB_FIELD 0x24
68#define SENCODE_LUN_NOT_SUPPORTED 0x25
69#define SENCODE_INVALID_PARAM_FIELD 0x26
70#define SENCODE_PARAM_NOT_SUPPORTED 0x26
71#define SENCODE_PARAM_VALUE_INVALID 0x26
72#define SENCODE_RESET_OCCURRED 0x29
73#define SENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x3E
74#define SENCODE_INQUIRY_DATA_CHANGED 0x3F
75#define SENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x39
76#define SENCODE_DIAGNOSTIC_FAILURE 0x40
77#define SENCODE_INTERNAL_TARGET_FAILURE 0x44
78#define SENCODE_INVALID_MESSAGE_ERROR 0x49
79#define SENCODE_LUN_FAILED_SELF_CONFIG 0x4c
80#define SENCODE_OVERLAPPED_COMMAND 0x4E
1da177e4
LT		 81
82/*
83 * Additional sense codes
84 */
8ce3eca4
SM		 85
86#define ASENCODE_NO_SENSE 0x00
87#define ASENCODE_END_OF_DATA 0x05
88#define ASENCODE_BECOMING_READY 0x01
89#define ASENCODE_INIT_CMD_REQUIRED 0x02
90#define ASENCODE_PARAM_LIST_LENGTH_ERROR 0x00
91#define ASENCODE_INVALID_COMMAND 0x00
92#define ASENCODE_LBA_OUT_OF_RANGE 0x00
93#define ASENCODE_INVALID_CDB_FIELD 0x00
94#define ASENCODE_LUN_NOT_SUPPORTED 0x00
95#define ASENCODE_INVALID_PARAM_FIELD 0x00
96#define ASENCODE_PARAM_NOT_SUPPORTED 0x01
97#define ASENCODE_PARAM_VALUE_INVALID 0x02
98#define ASENCODE_RESET_OCCURRED 0x00
99#define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x00
100#define ASENCODE_INQUIRY_DATA_CHANGED 0x03
101#define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x00
102#define ASENCODE_DIAGNOSTIC_FAILURE 0x80
103#define ASENCODE_INTERNAL_TARGET_FAILURE 0x00
104#define ASENCODE_INVALID_MESSAGE_ERROR 0x00
105#define ASENCODE_LUN_FAILED_SELF_CONFIG 0x00
106#define ASENCODE_OVERLAPPED_COMMAND 0x00
1da177e4
LT		 107
108#define BYTE0(x) (unsigned char)(x)
109#define BYTE1(x) (unsigned char)((x) >> 8)
110#define BYTE2(x) (unsigned char)((x) >> 16)
111#define BYTE3(x) (unsigned char)((x) >> 24)
112
113/*------------------------------------------------------------------------------
114 * S T R U C T S / T Y P E D E F S
115 *----------------------------------------------------------------------------*/
116/* SCSI inquiry data */
117struct inquiry_data {
8ce3eca4
SM		 118 u8 inqd_pdt; /* Peripheral qualifier | Peripheral Device Type */
119 u8 inqd_dtq; /* RMB | Device Type Qualifier */
1da177e4
LT		 120 u8 inqd_ver; /* ISO version | ECMA version | ANSI-approved version */
121 u8 inqd_rdf; /* AENC | TrmIOP | Response data format */
122 u8 inqd_len; /* Additional length (n-4) */
123 u8 inqd_pad1[2];/* Reserved - must be zero */
124 u8 inqd_pad2; /* RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
125 u8 inqd_vid[8]; /* Vendor ID */
126 u8 inqd_pid[16];/* Product ID */
127 u8 inqd_prl[4]; /* Product Revision Level */
128};
129
130/*
131 * M O D U L E G L O B A L S
132 */
8ce3eca4 133
1da177e4
LT		 134static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap);
135static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg);
0e68c003 136static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg);
1da177e4
LT		 137static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
138#ifdef AAC_DETAILED_STATUS_INFO
139static char *aac_get_status_string(u32 status);
140#endif
141
142/*
143 * Non dasd selection is handled entirely in aachba now
8ce3eca4
SM		 144 */
145
1da177e4 146static int nondasd = -1;
8ef22247 147static int aac_cache;
1da177e4 148static int dacmode = -1;
8ef22247 149int aac_msi;
1208bab5 150int aac_commit = -1;
404d9a90
MH		 151int startup_timeout = 180;
152int aif_timeout = 120;
1da177e4 153
9a72f976 154module_param(nondasd, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 155MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices."
156 " 0=off, 1=on");
95e852e1 157module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 158MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n"
159 "\tbit 0 - Disable FUA in WRITE SCSI commands\n"
160 "\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n"
161 "\tbit 2 - Disable only if Battery not protecting Cache");
9a72f976 162module_param(dacmode, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 163MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC."
164 " 0=off, 1=on");
1208bab5 165module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 166MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the"
167 " adapter for foreign arrays.\n"
168 "This is typically needed in systems that do not have a BIOS."
169 " 0=off, 1=on");
170module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR);
171MODULE_PARM_DESC(msi, "IRQ handling."
172 " 0=PIC(default), 1=MSI, 2=MSI-X(unsupported, uses MSI)");
404d9a90 173module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 174MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for"
175 " adapter to have it's kernel up and\n"
176 "running. This is typically adjusted for large systems that do not"
177 " have a BIOS.");
404d9a90 178module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 179MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for"
180 " applications to pick up AIFs before\n"
181 "deregistering them. This is typically adjusted for heavily burdened"
182 " systems.");
1da177e4 183
7c00ffa3
MH		 184int numacb = -1;
185module_param(numacb, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 186MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control"
187 " blocks (FIB) allocated. Valid values are 512 and down. Default is"
188 " to use suggestion from Firmware.");
7c00ffa3
MH		 189
190int acbsize = -1;
191module_param(acbsize, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 192MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB)"
193 " size. Valid values are 512, 2048, 4096 and 8192. Default is to use"
194 " suggestion from Firmware.");
653ba58d 195
29c97684
SM		 196int update_interval = 30 * 60;
197module_param(update_interval, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 198MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync"
199 " updates issued to adapter.");
29c97684
SM		 200
201int check_interval = 24 * 60 * 60;
202module_param(check_interval, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 203MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
204 " checks.");
29c97684 205
87f3bda3
AM		 206int aac_check_reset = 1;
207module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 208MODULE_PARM_DESC(aac_check_reset, "If adapter fails health check, reset the"
209 " adapter. a value of -1 forces the reset to adapters programmed to"
210 " ignore it.");
29c97684 211
e37ee4be 212int expose_physicals = -1;
653ba58d 213module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
8ef22247
SM		 214MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays."
215 " -1=protect 0=off, 1=on");
03d44337 216
8ef22247 217int aac_reset_devices;
1208bab5
SM		 218module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
219MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
03d44337
MH		 220
221static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
222 struct fib *fibptr) {
223 struct scsi_device *device;
224
8ce3eca4 225 if (unlikely(!scsicmd || !scsicmd->scsi_done)) {
c835e372 226 dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"));
8ce3eca4
SM		 227 aac_fib_complete(fibptr);
228 aac_fib_free(fibptr);
229 return 0;
230 }
03d44337
MH		 231 scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
232 device = scsicmd->device;
233 if (unlikely(!device || !scsi_device_online(device))) {
234 dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
235 aac_fib_complete(fibptr);
236 aac_fib_free(fibptr);
237 return 0;
238 }
239 return 1;
240}
241
1da177e4
LT		 242/**
243 * aac_get_config_status - check the adapter configuration
244 * @common: adapter to query
245 *
246 * Query config status, and commit the configuration if needed.
247 */
8c867b25 248int aac_get_config_status(struct aac_dev *dev, int commit_flag)
1da177e4
LT		 249{
250 int status = 0;
251 struct fib * fibptr;
252
bfb35aa8 253 if (!(fibptr = aac_fib_alloc(dev)))
1da177e4
LT		 254 return -ENOMEM;
255
bfb35aa8 256 aac_fib_init(fibptr);
1da177e4
LT		 257 {
258 struct aac_get_config_status *dinfo;
259 dinfo = (struct aac_get_config_status *) fib_data(fibptr);
260
261 dinfo->command = cpu_to_le32(VM_ContainerConfig);
262 dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
263 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
264 }
265
bfb35aa8 266 status = aac_fib_send(ContainerCommand,
1da177e4
LT		 267 fibptr,
268 sizeof (struct aac_get_config_status),
269 FsaNormal,
270 1, 1,
271 NULL, NULL);
8ce3eca4 272 if (status < 0) {
1da177e4
LT		 273 printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
274 } else {
275 struct aac_get_config_status_resp *reply
276 = (struct aac_get_config_status_resp *) fib_data(fibptr);
277 dprintk((KERN_WARNING
278 "aac_get_config_status: response=%d status=%d action=%d\n",
279 le32_to_cpu(reply->response),
280 le32_to_cpu(reply->status),
281 le32_to_cpu(reply->data.action)));
282 if ((le32_to_cpu(reply->response) != ST_OK) ||
283 (le32_to_cpu(reply->status) != CT_OK) ||
284 (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
285 printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
286 status = -EINVAL;
287 }
288 }
bfb35aa8 289 aac_fib_complete(fibptr);
1da177e4
LT		 290 /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
291 if (status >= 0) {
1208bab5 292 if ((aac_commit == 1) || commit_flag) {
1da177e4 293 struct aac_commit_config * dinfo;
bfb35aa8 294 aac_fib_init(fibptr);
1da177e4 295 dinfo = (struct aac_commit_config *) fib_data(fibptr);
8ce3eca4 296
1da177e4
LT		 297 dinfo->command = cpu_to_le32(VM_ContainerConfig);
298 dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
8ce3eca4 299
bfb35aa8 300 status = aac_fib_send(ContainerCommand,
1da177e4
LT		 301 fibptr,
302 sizeof (struct aac_commit_config),
303 FsaNormal,
304 1, 1,
305 NULL, NULL);
bfb35aa8 306 aac_fib_complete(fibptr);
1208bab5 307 } else if (aac_commit == 0) {
1da177e4
LT		 308 printk(KERN_WARNING
309 "aac_get_config_status: Foreign device configurations are being ignored\n");
310 }
311 }
bfb35aa8 312 aac_fib_free(fibptr);
1da177e4
LT		 313 return status;
314}
315
316/**
317 * aac_get_containers - list containers
318 * @common: adapter to probe
319 *
320 * Make a list of all containers on this controller
321 */
322int aac_get_containers(struct aac_dev *dev)
323{
324 struct fsa_dev_info *fsa_dev_ptr;
8ce3eca4 325 u32 index;
1da177e4
LT		 326 int status = 0;
327 struct fib * fibptr;
1da177e4
LT		 328 struct aac_get_container_count *dinfo;
329 struct aac_get_container_count_resp *dresp;
330 int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
331
bfb35aa8 332 if (!(fibptr = aac_fib_alloc(dev)))
1da177e4
LT		 333 return -ENOMEM;
334
bfb35aa8 335 aac_fib_init(fibptr);
1da177e4
LT		 336 dinfo = (struct aac_get_container_count *) fib_data(fibptr);
337 dinfo->command = cpu_to_le32(VM_ContainerConfig);
338 dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
339
bfb35aa8 340 status = aac_fib_send(ContainerCommand,
1da177e4
LT		 341 fibptr,
342 sizeof (struct aac_get_container_count),
343 FsaNormal,
344 1, 1,
345 NULL, NULL);
346 if (status >= 0) {
347 dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
348 maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
bfb35aa8 349 aac_fib_complete(fibptr);
1da177e4 350 }
fe76df42 351 aac_fib_free(fibptr);
1da177e4
LT		 352
353 if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
354 maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
1a655040 355 fsa_dev_ptr = kzalloc(sizeof(*fsa_dev_ptr) * maximum_num_containers,
fe76df42
MH		 356 GFP_KERNEL);
357 if (!fsa_dev_ptr)
1da177e4 358 return -ENOMEM;
1da177e4
LT		 359
360 dev->fsa_dev = fsa_dev_ptr;
361 dev->maximum_num_containers = maximum_num_containers;
362
fe76df42 363 for (index = 0; index < dev->maximum_num_containers; ) {
1da177e4
LT		 364 fsa_dev_ptr[index].devname[0] = '\0';
365
fe76df42 366 status = aac_probe_container(dev, index);
1da177e4 367
fe76df42 368 if (status < 0) {
1da177e4
LT		 369 printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
370 break;
371 }
7a8cf29d 372
1da177e4
LT		 373 /*
374 * If there are no more containers, then stop asking.
375 */
fe76df42 376 if (++index >= status)
1da177e4 377 break;
1da177e4 378 }
1da177e4
LT		 379 return status;
380}
381
3b2946cc
MH		 382static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len)
383{
384 void *buf;
cab537d6 385 int transfer_len;
727eead6
FT		 386 struct scatterlist *sg = scsi_sglist(scsicmd);
387
45711f1a 388 buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
727eead6 389 transfer_len = min(sg->length, len + offset);
3b2946cc 390
20235f35 391 transfer_len -= offset;
cab537d6 392 if (buf && transfer_len > 0)
20235f35 393 memcpy(buf + offset, data, transfer_len);
3b2946cc 394
3a0086a8 395 flush_kernel_dcache_page(kmap_atomic_to_page(buf - sg->offset));
727eead6 396 kunmap_atomic(buf - sg->offset, KM_IRQ0);
3b2946cc
MH		 397
398}
399
1da177e4
LT		 400static void get_container_name_callback(void *context, struct fib * fibptr)
401{
402 struct aac_get_name_resp * get_name_reply;
403 struct scsi_cmnd * scsicmd;
404
405 scsicmd = (struct scsi_cmnd *) context;
406
03d44337
MH		 407 if (!aac_valid_context(scsicmd, fibptr))
408 return;
409
1da177e4 410 dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
125e1874 411 BUG_ON(fibptr == NULL);
1da177e4
LT		 412
413 get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
414 /* Failure is irrelevant, using default value instead */
415 if ((le32_to_cpu(get_name_reply->status) == CT_OK)
416 && (get_name_reply->data[0] != '\0')) {
3b2946cc 417 char *sp = get_name_reply->data;
1da177e4
LT		 418 sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0';
419 while (*sp == ' ')
420 ++sp;
3b2946cc
MH		 421 if (*sp) {
422 char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
423 int count = sizeof(d);
424 char *dp = d;
425 do {
426 *dp++ = (*sp) ? *sp++ : ' ';
427 } while (--count > 0);
8ce3eca4 428 aac_internal_transfer(scsicmd, d,
3b2946cc
MH		 429 offsetof(struct inquiry_data, inqd_pid), sizeof(d));
430 }
1da177e4 431 }
3b2946cc 432
1da177e4
LT		 433 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
434
bfb35aa8
MH		 435 aac_fib_complete(fibptr);
436 aac_fib_free(fibptr);
8e0c5ebd 437 scsicmd->scsi_done(scsicmd);
1da177e4
LT		 438}
439
440/**
441 * aac_get_container_name - get container name, none blocking.
442 */
9e7c349c 443static int aac_get_container_name(struct scsi_cmnd * scsicmd)
1da177e4
LT		 444{
445 int status;
446 struct aac_get_name *dinfo;
447 struct fib * cmd_fibcontext;
448 struct aac_dev * dev;
449
450 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
451
bfb35aa8 452 if (!(cmd_fibcontext = aac_fib_alloc(dev)))
1da177e4
LT		 453 return -ENOMEM;
454
bfb35aa8 455 aac_fib_init(cmd_fibcontext);
1da177e4
LT		 456 dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
457
458 dinfo->command = cpu_to_le32(VM_ContainerConfig);
459 dinfo->type = cpu_to_le32(CT_READ_NAME);
9e7c349c 460 dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
1da177e4
LT		 461 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));
462
bfb35aa8 463 status = aac_fib_send(ContainerCommand,
8ce3eca4 464 cmd_fibcontext,
1da177e4 465 sizeof (struct aac_get_name),
8ce3eca4
SM		 466 FsaNormal,
467 0, 1,
468 (fib_callback)get_container_name_callback,
1da177e4 469 (void *) scsicmd);
8ce3eca4 470
1da177e4
LT		 471 /*
472 * Check that the command queued to the controller
473 */
77d644d4
MH		 474 if (status == -EINPROGRESS) {
475 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1da177e4 476 return 0;
77d644d4 477 }
8ce3eca4 478
bfb35aa8
MH		 479 printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
480 aac_fib_complete(cmd_fibcontext);
481 aac_fib_free(cmd_fibcontext);
1da177e4
LT		 482 return -1;
483}
484
fe76df42 485static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
1da177e4 486{
fe76df42 487 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
1da177e4 488
1a655040 489 if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1))
fe76df42 490 return aac_scsi_cmd(scsicmd);
1da177e4 491
fe76df42
MH		 492 scsicmd->result = DID_NO_CONNECT << 16;
493 scsicmd->scsi_done(scsicmd);
494 return 0;
495}
496
1a655040 497static void _aac_probe_container2(void * context, struct fib * fibptr)
fe76df42 498{
03d44337 499 struct fsa_dev_info *fsa_dev_ptr;
fe76df42 500 int (*callback)(struct scsi_cmnd *);
03d44337
MH		 501 struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context;
502
03d44337 503
1a655040
SM		 504 if (!aac_valid_context(scsicmd, fibptr))
505 return;
fe76df42
MH		 506
507 scsicmd->SCp.Status = 0;
1a655040 508 fsa_dev_ptr = fibptr->dev->fsa_dev;
fe76df42
MH		 509 if (fsa_dev_ptr) {
510 struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
511 fsa_dev_ptr += scmd_id(scsicmd);
512
513 if ((le32_to_cpu(dresp->status) == ST_OK) &&
514 (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
515 (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
516 fsa_dev_ptr->valid = 1;
517 fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
518 fsa_dev_ptr->size
519 = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
520 (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
521 fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0);
522 }
523 if ((fsa_dev_ptr->valid & 1) == 0)
524 fsa_dev_ptr->valid = 0;
525 scsicmd->SCp.Status = le32_to_cpu(dresp->count);
526 }
527 aac_fib_complete(fibptr);
528 aac_fib_free(fibptr);
529 callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr);
530 scsicmd->SCp.ptr = NULL;
1a655040
SM		 531 (*callback)(scsicmd);
532 return;
fe76df42
MH		 533}
534
1a655040 535static void _aac_probe_container1(void * context, struct fib * fibptr)
fe76df42
MH		 536{
537 struct scsi_cmnd * scsicmd;
538 struct aac_mount * dresp;
539 struct aac_query_mount *dinfo;
540 int status;
541
542 dresp = (struct aac_mount *) fib_data(fibptr);
543 dresp->mnt[0].capacityhigh = 0;
544 if ((le32_to_cpu(dresp->status) != ST_OK) ||
1a655040
SM		 545 (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
546 _aac_probe_container2(context, fibptr);
547 return;
548 }
fe76df42 549 scsicmd = (struct scsi_cmnd *) context;
1da177e4 550
03d44337 551 if (!aac_valid_context(scsicmd, fibptr))
1a655040 552 return;
03d44337 553
bfb35aa8 554 aac_fib_init(fibptr);
1da177e4
LT		 555
556 dinfo = (struct aac_query_mount *)fib_data(fibptr);
557
fe76df42
MH		 558 dinfo->command = cpu_to_le32(VM_NameServe64);
559 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
1da177e4
LT		 560 dinfo->type = cpu_to_le32(FT_FILESYS);
561
bfb35aa8 562 status = aac_fib_send(ContainerCommand,
fe76df42
MH		 563 fibptr,
564 sizeof(struct aac_query_mount),
565 FsaNormal,
566 0, 1,
1a655040 567 _aac_probe_container2,
fe76df42
MH		 568 (void *) scsicmd);
569 /*
570 * Check that the command queued to the controller
571 */
1a655040 572 if (status == -EINPROGRESS)
fe76df42 573 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1a655040 574 else if (status < 0) {
fe76df42
MH		 575 /* Inherit results from VM_NameServe, if any */
576 dresp->status = cpu_to_le32(ST_OK);
1a655040 577 _aac_probe_container2(context, fibptr);
1da177e4 578 }
fe76df42 579}
1da177e4 580
fe76df42
MH		 581static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
582{
583 struct fib * fibptr;
584 int status = -ENOMEM;
585
586 if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
587 struct aac_query_mount *dinfo;
588
589 aac_fib_init(fibptr);
590
591 dinfo = (struct aac_query_mount *)fib_data(fibptr);
1da177e4 592
fe76df42
MH		 593 dinfo->command = cpu_to_le32(VM_NameServe);
594 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
7a8cf29d 595 dinfo->type = cpu_to_le32(FT_FILESYS);
fe76df42 596 scsicmd->SCp.ptr = (char *)callback;
7a8cf29d 597
fe76df42
MH		 598 status = aac_fib_send(ContainerCommand,
599 fibptr,
600 sizeof(struct aac_query_mount),
601 FsaNormal,
602 0, 1,
1a655040 603 _aac_probe_container1,
fe76df42
MH		 604 (void *) scsicmd);
605 /*
606 * Check that the command queued to the controller
607 */
608 if (status == -EINPROGRESS) {
609 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
610 return 0;
611 }
612 if (status < 0) {
613 scsicmd->SCp.ptr = NULL;
614 aac_fib_complete(fibptr);
615 aac_fib_free(fibptr);
616 }
617 }
618 if (status < 0) {
619 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
620 if (fsa_dev_ptr) {
621 fsa_dev_ptr += scmd_id(scsicmd);
622 if ((fsa_dev_ptr->valid & 1) == 0) {
623 fsa_dev_ptr->valid = 0;
624 return (*callback)(scsicmd);
625 }
626 }
1da177e4 627 }
fe76df42
MH		 628 return status;
629}
1da177e4 630
fe76df42
MH		 631/**
632 * aac_probe_container - query a logical volume
633 * @dev: device to query
634 * @cid: container identifier
635 *
636 * Queries the controller about the given volume. The volume information
637 * is updated in the struct fsa_dev_info structure rather than returned.
638 */
639static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
640{
641 scsicmd->device = NULL;
642 return 0;
643}
1da177e4 644
fe76df42
MH		 645int aac_probe_container(struct aac_dev *dev, int cid)
646{
647 struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL);
648 struct scsi_device *scsidev = kmalloc(sizeof(*scsidev), GFP_KERNEL);
649 int status;
650
651 if (!scsicmd || !scsidev) {
652 kfree(scsicmd);
653 kfree(scsidev);
654 return -ENOMEM;
655 }
656 scsicmd->list.next = NULL;
1a655040 657 scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))aac_probe_container_callback1;
fe76df42
MH		 658
659 scsicmd->device = scsidev;
660 scsidev->sdev_state = 0;
661 scsidev->id = cid;
662 scsidev->host = dev->scsi_host_ptr;
663
664 if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
665 while (scsicmd->device == scsidev)
666 schedule();
802ae2f0 667 kfree(scsidev);
fe76df42
MH		 668 status = scsicmd->SCp.Status;
669 kfree(scsicmd);
1da177e4
LT		 670 return status;
671}
672
673/* Local Structure to set SCSI inquiry data strings */
674struct scsi_inq {
675 char vid[8]; /* Vendor ID */
676 char pid[16]; /* Product ID */
677 char prl[4]; /* Product Revision Level */
678};
679
680/**
681 * InqStrCopy - string merge
682 * @a: string to copy from
683 * @b: string to copy to
684 *
8ce3eca4 685 * Copy a String from one location to another
1da177e4
LT		 686 * without copying \0
687 */
688
689static void inqstrcpy(char *a, char *b)
690{
691
8ce3eca4 692 while (*a != (char)0)
1da177e4
LT		 693 *b++ = *a++;
694}
695
696static char *container_types[] = {
8ce3eca4
SM		 697 "None",
698 "Volume",
699 "Mirror",
700 "Stripe",
701 "RAID5",
702 "SSRW",
703 "SSRO",
704 "Morph",
705 "Legacy",
706 "RAID4",
707 "RAID10",
708 "RAID00",
709 "V-MIRRORS",
710 "PSEUDO R4",
1da177e4 711 "RAID50",
84971738
MH		 712 "RAID5D",
713 "RAID5D0",
714 "RAID1E",
715 "RAID6",
716 "RAID60",
8ce3eca4 717 "Unknown"
1da177e4
LT		 718};
719
17eaacee
SM		 720char * get_container_type(unsigned tindex)
721{
722 if (tindex >= ARRAY_SIZE(container_types))
723 tindex = ARRAY_SIZE(container_types) - 1;
724 return container_types[tindex];
725}
1da177e4
LT		 726
727/* Function: setinqstr
728 *
729 * Arguments: [1] pointer to void [1] int
730 *
731 * Purpose: Sets SCSI inquiry data strings for vendor, product
732 * and revision level. Allows strings to be set in platform dependant
733 * files instead of in OS dependant driver source.
734 */
735
794d0601 736static void setinqstr(struct aac_dev *dev, void *data, int tindex)
1da177e4
LT		 737{
738 struct scsi_inq *str;
1da177e4 739
1da177e4 740 str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
794d0601
MH		 741 memset(str, ' ', sizeof(*str));
742
743 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
744 char * cp = dev->supplement_adapter_info.AdapterTypeText;
3bc8070f
SM		 745 int c;
746 if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C'))
747 inqstrcpy("SMC", str->vid);
748 else {
749 c = sizeof(str->vid);
750 while (*cp && *cp != ' ' && --c)
751 ++cp;
752 c = *cp;
753 *cp = '\0';
754 inqstrcpy (dev->supplement_adapter_info.AdapterTypeText,
755 str->vid);
756 *cp = c;
757 while (*cp && *cp != ' ')
758 ++cp;
759 }
794d0601
MH		 760 while (*cp == ' ')
761 ++cp;
762 /* last six chars reserved for vol type */
763 c = 0;
764 if (strlen(cp) > sizeof(str->pid)) {
765 c = cp[sizeof(str->pid)];
766 cp[sizeof(str->pid)] = '\0';
767 }
768 inqstrcpy (cp, str->pid);
769 if (c)
770 cp[sizeof(str->pid)] = c;
771 } else {
772 struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
6391a113
TK		 773
774 inqstrcpy (mp->vname, str->vid);
794d0601
MH		 775 /* last six chars reserved for vol type */
776 inqstrcpy (mp->model, str->pid);
777 }
1da177e4 778
6391a113 779 if (tindex < ARRAY_SIZE(container_types)){
1da177e4
LT		 780 char *findit = str->pid;
781
782 for ( ; *findit != ' '; findit++); /* walk till we find a space */
783 /* RAID is superfluous in the context of a RAID device */
784 if (memcmp(findit-4, "RAID", 4) == 0)
785 *(findit -= 4) = ' ';
794d0601
MH		 786 if (((findit - str->pid) + strlen(container_types[tindex]))
787 < (sizeof(str->pid) + sizeof(str->prl)))
788 inqstrcpy (container_types[tindex], findit + 1);
1da177e4
LT		 789 }
790 inqstrcpy ("V1.0", str->prl);
791}
792
88e2f98e
SM		 793static void get_container_serial_callback(void *context, struct fib * fibptr)
794{
795 struct aac_get_serial_resp * get_serial_reply;
796 struct scsi_cmnd * scsicmd;
797
798 BUG_ON(fibptr == NULL);
799
800 scsicmd = (struct scsi_cmnd *) context;
801 if (!aac_valid_context(scsicmd, fibptr))
802 return;
803
804 get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr);
805 /* Failure is irrelevant, using default value instead */
806 if (le32_to_cpu(get_serial_reply->status) == CT_OK) {
807 char sp[13];
808 /* EVPD bit set */
809 sp[0] = INQD_PDT_DA;
810 sp[1] = scsicmd->cmnd[2];
811 sp[2] = 0;
812 sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
813 le32_to_cpu(get_serial_reply->uid));
814 aac_internal_transfer(scsicmd, sp, 0, sizeof(sp));
815 }
816
817 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
818
819 aac_fib_complete(fibptr);
820 aac_fib_free(fibptr);
821 scsicmd->scsi_done(scsicmd);
822}
823
824/**
825 * aac_get_container_serial - get container serial, none blocking.
826 */
827static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
828{
829 int status;
830 struct aac_get_serial *dinfo;
831 struct fib * cmd_fibcontext;
832 struct aac_dev * dev;
833
834 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
835
836 if (!(cmd_fibcontext = aac_fib_alloc(dev)))
837 return -ENOMEM;
838
839 aac_fib_init(cmd_fibcontext);
840 dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext);
841
842 dinfo->command = cpu_to_le32(VM_ContainerConfig);
843 dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID);
844 dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
845
846 status = aac_fib_send(ContainerCommand,
847 cmd_fibcontext,
848 sizeof (struct aac_get_serial),
849 FsaNormal,
850 0, 1,
851 (fib_callback) get_container_serial_callback,
852 (void *) scsicmd);
853
854 /*
855 * Check that the command queued to the controller
856 */
857 if (status == -EINPROGRESS) {
858 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
859 return 0;
860 }
861
862 printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status);
863 aac_fib_complete(cmd_fibcontext);
864 aac_fib_free(cmd_fibcontext);
865 return -1;
866}
867
868/* Function: setinqserial
869 *
870 * Arguments: [1] pointer to void [1] int
871 *
872 * Purpose: Sets SCSI Unit Serial number.
873 * This is a fake. We should read a proper
874 * serial number from the container. <SuSE>But
875 * without docs it's quite hard to do it :-)
876 * So this will have to do in the meantime.</SuSE>
877 */
878
879static int setinqserial(struct aac_dev *dev, void *data, int cid)
880{
881 /*
882 * This breaks array migration.
883 */
884 return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X",
885 le32_to_cpu(dev->adapter_info.serial[0]), cid);
886}
887
8e31e607
SM		 888static inline void set_sense(struct sense_data *sense_data, u8 sense_key,
889 u8 sense_code, u8 a_sense_code, u8 bit_pointer, u16 field_pointer)
1da177e4 890{
8e31e607
SM		 891 u8 *sense_buf = (u8 *)sense_data;
892 /* Sense data valid, err code 70h */
893 sense_buf[0] = 0x70; /* No info field */
1da177e4
LT		 894 sense_buf[1] = 0; /* Segment number, always zero */
895
8e31e607 896 sense_buf[2] = sense_key; /* Sense key */
1da177e4
LT		 897
898 sense_buf[12] = sense_code; /* Additional sense code */
899 sense_buf[13] = a_sense_code; /* Additional sense code qualifier */
8e31e607 900
1da177e4 901 if (sense_key == ILLEGAL_REQUEST) {
8e31e607 902 sense_buf[7] = 10; /* Additional sense length */
1da177e4 903
8e31e607 904 sense_buf[15] = bit_pointer;
1da177e4 905 /* Illegal parameter is in the parameter block */
1da177e4 906 if (sense_code == SENCODE_INVALID_CDB_FIELD)
8e31e607 907 sense_buf[15] |= 0xc0;/* Std sense key specific field */
1da177e4 908 /* Illegal parameter is in the CDB block */
1da177e4
LT		 909 sense_buf[16] = field_pointer >> 8; /* MSB */
910 sense_buf[17] = field_pointer; /* LSB */
8e31e607
SM		 911 } else
912 sense_buf[7] = 6; /* Additional sense length */
1da177e4
LT		 913}
914
e8f32de5
MH		 915static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
916{
917 if (lba & 0xffffffff00000000LL) {
918 int cid = scmd_id(cmd);
919 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
920 cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
921 SAM_STAT_CHECK_CONDITION;
8e31e607
SM		 922 set_sense(&dev->fsa_dev[cid].sense_data,
923 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
924 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
e8f32de5 925 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
3ace426f
SM		 926 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
927 SCSI_SENSE_BUFFERSIZE));
e8f32de5
MH		 928 cmd->scsi_done(cmd);
929 return 1;
930 }
931 return 0;
932}
933
934static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
935{
936 return 0;
937}
938
939static void io_callback(void *context, struct fib * fibptr);
940
941static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
942{
943 u16 fibsize;
944 struct aac_raw_io *readcmd;
945 aac_fib_init(fib);
946 readcmd = (struct aac_raw_io *) fib_data(fib);
947 readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
948 readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
949 readcmd->count = cpu_to_le32(count<<9);
950 readcmd->cid = cpu_to_le16(scmd_id(cmd));
9d399cc7 951 readcmd->flags = cpu_to_le16(IO_TYPE_READ);
e8f32de5
MH		 952 readcmd->bpTotal = 0;
953 readcmd->bpComplete = 0;
954
955 aac_build_sgraw(cmd, &readcmd->sg);
956 fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
957 BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
958 /*
959 * Now send the Fib to the adapter
960 */
961 return aac_fib_send(ContainerRawIo,
962 fib,
963 fibsize,
964 FsaNormal,
965 0, 1,
966 (fib_callback) io_callback,
967 (void *) cmd);
968}
969
970static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
971{
972 u16 fibsize;
973 struct aac_read64 *readcmd;
974 aac_fib_init(fib);
975 readcmd = (struct aac_read64 *) fib_data(fib);
976 readcmd->command = cpu_to_le32(VM_CtHostRead64);
977 readcmd->cid = cpu_to_le16(scmd_id(cmd));
978 readcmd->sector_count = cpu_to_le16(count);
979 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
980 readcmd->pad = 0;
981 readcmd->flags = 0;
982
983 aac_build_sg64(cmd, &readcmd->sg);
984 fibsize = sizeof(struct aac_read64) +
985 ((le32_to_cpu(readcmd->sg.count) - 1) *
986 sizeof (struct sgentry64));
987 BUG_ON (fibsize > (fib->dev->max_fib_size -
988 sizeof(struct aac_fibhdr)));
989 /*
990 * Now send the Fib to the adapter
991 */
992 return aac_fib_send(ContainerCommand64,
993 fib,
994 fibsize,
995 FsaNormal,
996 0, 1,
997 (fib_callback) io_callback,
998 (void *) cmd);
999}
1000
1001static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1002{
1003 u16 fibsize;
1004 struct aac_read *readcmd;
1005 aac_fib_init(fib);
1006 readcmd = (struct aac_read *) fib_data(fib);
1007 readcmd->command = cpu_to_le32(VM_CtBlockRead);
f3307f72 1008 readcmd->cid = cpu_to_le32(scmd_id(cmd));
e8f32de5
MH		 1009 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1010 readcmd->count = cpu_to_le32(count * 512);
1011
1012 aac_build_sg(cmd, &readcmd->sg);
1013 fibsize = sizeof(struct aac_read) +
1014 ((le32_to_cpu(readcmd->sg.count) - 1) *
1015 sizeof (struct sgentry));
1016 BUG_ON (fibsize > (fib->dev->max_fib_size -
1017 sizeof(struct aac_fibhdr)));
1018 /*
1019 * Now send the Fib to the adapter
1020 */
1021 return aac_fib_send(ContainerCommand,
1022 fib,
1023 fibsize,
1024 FsaNormal,
1025 0, 1,
1026 (fib_callback) io_callback,
1027 (void *) cmd);
1028}
1029
9d399cc7 1030static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
e8f32de5
MH		 1031{
1032 u16 fibsize;
1033 struct aac_raw_io *writecmd;
1034 aac_fib_init(fib);
1035 writecmd = (struct aac_raw_io *) fib_data(fib);
1036 writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1037 writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1038 writecmd->count = cpu_to_le32(count<<9);
1039 writecmd->cid = cpu_to_le16(scmd_id(cmd));
95e852e1
SM		 1040 writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
1041 (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
9d399cc7
SM		 1042 cpu_to_le16(IO_TYPE_WRITE|IO_SUREWRITE) :
1043 cpu_to_le16(IO_TYPE_WRITE);
e8f32de5
MH		 1044 writecmd->bpTotal = 0;
1045 writecmd->bpComplete = 0;
1046
1047 aac_build_sgraw(cmd, &writecmd->sg);
1048 fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
1049 BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1050 /*
1051 * Now send the Fib to the adapter
1052 */
1053 return aac_fib_send(ContainerRawIo,
1054 fib,
1055 fibsize,
1056 FsaNormal,
1057 0, 1,
1058 (fib_callback) io_callback,
1059 (void *) cmd);
1060}
1061
9d399cc7 1062static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
e8f32de5
MH		 1063{
1064 u16 fibsize;
1065 struct aac_write64 *writecmd;
1066 aac_fib_init(fib);
1067 writecmd = (struct aac_write64 *) fib_data(fib);
1068 writecmd->command = cpu_to_le32(VM_CtHostWrite64);
1069 writecmd->cid = cpu_to_le16(scmd_id(cmd));
1070 writecmd->sector_count = cpu_to_le16(count);
1071 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1072 writecmd->pad = 0;
1073 writecmd->flags = 0;
1074
1075 aac_build_sg64(cmd, &writecmd->sg);
1076 fibsize = sizeof(struct aac_write64) +
1077 ((le32_to_cpu(writecmd->sg.count) - 1) *
1078 sizeof (struct sgentry64));
1079 BUG_ON (fibsize > (fib->dev->max_fib_size -
1080 sizeof(struct aac_fibhdr)));
1081 /*
1082 * Now send the Fib to the adapter
1083 */
1084 return aac_fib_send(ContainerCommand64,
1085 fib,
1086 fibsize,
1087 FsaNormal,
1088 0, 1,
1089 (fib_callback) io_callback,
1090 (void *) cmd);
1091}
1092
9d399cc7 1093static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
e8f32de5
MH		 1094{
1095 u16 fibsize;
1096 struct aac_write *writecmd;
1097 aac_fib_init(fib);
1098 writecmd = (struct aac_write *) fib_data(fib);
1099 writecmd->command = cpu_to_le32(VM_CtBlockWrite);
f3307f72 1100 writecmd->cid = cpu_to_le32(scmd_id(cmd));
e8f32de5
MH		 1101 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1102 writecmd->count = cpu_to_le32(count * 512);
1103 writecmd->sg.count = cpu_to_le32(1);
1104 /* ->stable is not used - it did mean which type of write */
1105
1106 aac_build_sg(cmd, &writecmd->sg);
1107 fibsize = sizeof(struct aac_write) +
1108 ((le32_to_cpu(writecmd->sg.count) - 1) *
1109 sizeof (struct sgentry));
1110 BUG_ON (fibsize > (fib->dev->max_fib_size -
1111 sizeof(struct aac_fibhdr)));
1112 /*
1113 * Now send the Fib to the adapter
1114 */
1115 return aac_fib_send(ContainerCommand,
1116 fib,
1117 fibsize,
1118 FsaNormal,
1119 0, 1,
1120 (fib_callback) io_callback,
1121 (void *) cmd);
1122}
1123
1124static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
1125{
1126 struct aac_srb * srbcmd;
1127 u32 flag;
1128 u32 timeout;
1129
1130 aac_fib_init(fib);
1131 switch(cmd->sc_data_direction){
1132 case DMA_TO_DEVICE:
1133 flag = SRB_DataOut;
1134 break;
1135 case DMA_BIDIRECTIONAL:
1136 flag = SRB_DataIn | SRB_DataOut;
1137 break;
1138 case DMA_FROM_DEVICE:
1139 flag = SRB_DataIn;
1140 break;
1141 case DMA_NONE:
1142 default: /* shuts up some versions of gcc */
1143 flag = SRB_NoDataXfer;
1144 break;
1145 }
1146
1147 srbcmd = (struct aac_srb*) fib_data(fib);
1148 srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1149 srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1150 srbcmd->id = cpu_to_le32(scmd_id(cmd));
1151 srbcmd->lun = cpu_to_le32(cmd->device->lun);
1152 srbcmd->flags = cpu_to_le32(flag);
1153 timeout = cmd->timeout_per_command/HZ;
1154 if (timeout == 0)
1155 timeout = 1;
1156 srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds
1157 srbcmd->retry_limit = 0; /* Obsolete parameter */
1158 srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1159 return srbcmd;
1160}
1161
1162static void aac_srb_callback(void *context, struct fib * fibptr);
1163
1164static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1165{
1166 u16 fibsize;
1167 struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1168
1169 aac_build_sg64(cmd, (struct sgmap64*) &srbcmd->sg);
727eead6 1170 srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
e8f32de5
MH		 1171
1172 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1173 memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1174 /*
1175 * Build Scatter/Gather list
1176 */
1177 fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1178 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1179 sizeof (struct sgentry64));
1180 BUG_ON (fibsize > (fib->dev->max_fib_size -
1181 sizeof(struct aac_fibhdr)));
1182
1183 /*
1184 * Now send the Fib to the adapter
1185 */
1186 return aac_fib_send(ScsiPortCommand64, fib,
1187 fibsize, FsaNormal, 0, 1,
1188 (fib_callback) aac_srb_callback,
1189 (void *) cmd);
1190}
1191
1192static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1193{
1194 u16 fibsize;
1195 struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1196
1197 aac_build_sg(cmd, (struct sgmap*)&srbcmd->sg);
727eead6 1198 srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
e8f32de5
MH		 1199
1200 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1201 memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1202 /*
1203 * Build Scatter/Gather list
1204 */
1205 fibsize = sizeof (struct aac_srb) +
1206 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1207 sizeof (struct sgentry));
1208 BUG_ON (fibsize > (fib->dev->max_fib_size -
1209 sizeof(struct aac_fibhdr)));
1210
1211 /*
1212 * Now send the Fib to the adapter
1213 */
1214 return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1215 (fib_callback) aac_srb_callback, (void *) cmd);
1216}
1217
94cf6ba1
SM		 1218static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd)
1219{
1220 if ((sizeof(dma_addr_t) > 4) &&
1221 (num_physpages > (0xFFFFFFFFULL >> PAGE_SHIFT)) &&
1222 (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64))
1223 return FAILED;
1224 return aac_scsi_32(fib, cmd);
1225}
1226
1da177e4
LT		 1227int aac_get_adapter_info(struct aac_dev* dev)
1228{
1229 struct fib* fibptr;
1da177e4
LT		 1230 int rcode;
1231 u32 tmp;
84971738
MH		 1232 struct aac_adapter_info *info;
1233 struct aac_bus_info *command;
1234 struct aac_bus_info_response *bus_info;
7c00ffa3 1235
bfb35aa8 1236 if (!(fibptr = aac_fib_alloc(dev)))
1da177e4
LT		 1237 return -ENOMEM;
1238
bfb35aa8 1239 aac_fib_init(fibptr);
7c00ffa3
MH		 1240 info = (struct aac_adapter_info *) fib_data(fibptr);
1241 memset(info,0,sizeof(*info));
1da177e4 1242
bfb35aa8 1243 rcode = aac_fib_send(RequestAdapterInfo,
8ce3eca4 1244 fibptr,
7c00ffa3 1245 sizeof(*info),
8ce3eca4 1246 FsaNormal,
9203344c 1247 -1, 1, /* First `interrupt' command uses special wait */
8ce3eca4 1248 NULL,
7c00ffa3
MH		 1249 NULL);
1250
1251 if (rcode < 0) {
bfb35aa8
MH		 1252 aac_fib_complete(fibptr);
1253 aac_fib_free(fibptr);
7c00ffa3
MH		 1254 return rcode;
1255 }
1256 memcpy(&dev->adapter_info, info, sizeof(*info));
1da177e4 1257
7c00ffa3 1258 if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
06a43d17 1259 struct aac_supplement_adapter_info * sinfo;
7c00ffa3 1260
bfb35aa8 1261 aac_fib_init(fibptr);
7c00ffa3 1262
06a43d17 1263 sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr);
7c00ffa3 1264
06a43d17 1265 memset(sinfo,0,sizeof(*sinfo));
7c00ffa3 1266
bfb35aa8 1267 rcode = aac_fib_send(RequestSupplementAdapterInfo,
7c00ffa3 1268 fibptr,
06a43d17 1269 sizeof(*sinfo),
7c00ffa3
MH		 1270 FsaNormal,
1271 1, 1,
1272 NULL,
1273 NULL);
1274
1275 if (rcode >= 0)
06a43d17 1276 memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo));
7c00ffa3 1277 }
1da177e4 1278
84971738 1279
8ce3eca4
SM		 1280 /*
1281 * GetBusInfo
84971738
MH		 1282 */
1283
bfb35aa8 1284 aac_fib_init(fibptr);
84971738
MH		 1285
1286 bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
1287
1288 memset(bus_info, 0, sizeof(*bus_info));
1289
1290 command = (struct aac_bus_info *)bus_info;
1291
1292 command->Command = cpu_to_le32(VM_Ioctl);
1293 command->ObjType = cpu_to_le32(FT_DRIVE);
1294 command->MethodId = cpu_to_le32(1);
1295 command->CtlCmd = cpu_to_le32(GetBusInfo);
1296
bfb35aa8 1297 rcode = aac_fib_send(ContainerCommand,
84971738
MH		 1298 fibptr,
1299 sizeof (*bus_info),
1300 FsaNormal,
1301 1, 1,
1302 NULL, NULL);
1303
94cf6ba1
SM		 1304 /* reasoned default */
1305 dev->maximum_num_physicals = 16;
84971738
MH		 1306 if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
1307 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
1308 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
1309 }
1310
8c867b25 1311 if (!dev->in_reset) {
24f02e1d 1312 char buffer[16];
8c867b25
MH		 1313 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1314 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
8ce3eca4 1315 dev->name,
1da177e4
LT		 1316 dev->id,
1317 tmp>>24,
1318 (tmp>>16)&0xff,
1319 tmp&0xff,
7c00ffa3
MH		 1320 le32_to_cpu(dev->adapter_info.kernelbuild),
1321 (int)sizeof(dev->supplement_adapter_info.BuildDate),
1322 dev->supplement_adapter_info.BuildDate);
8c867b25
MH		 1323 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1324 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
1da177e4
LT		 1325 dev->name, dev->id,
1326 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1327 le32_to_cpu(dev->adapter_info.monitorbuild));
8c867b25
MH		 1328 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1329 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
1da177e4
LT		 1330 dev->name, dev->id,
1331 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1332 le32_to_cpu(dev->adapter_info.biosbuild));
24f02e1d
SM		 1333 buffer[0] = '\0';
1334 if (aac_show_serial_number(
1335 shost_to_class(dev->scsi_host_ptr), buffer))
1336 printk(KERN_INFO "%s%d: serial %s",
1337 dev->name, dev->id, buffer);
a45c863f
SM		 1338 if (dev->supplement_adapter_info.VpdInfo.Tsid[0]) {
1339 printk(KERN_INFO "%s%d: TSID %.*s\n",
1340 dev->name, dev->id,
1341 (int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid),
1342 dev->supplement_adapter_info.VpdInfo.Tsid);
1343 }
2f7ecc55 1344 if (!aac_check_reset || ((aac_check_reset == 1) &&
a3940da5
SM		 1345 (dev->supplement_adapter_info.SupportedOptions2 &
1346 AAC_OPTION_IGNORE_RESET))) {
29c97684
SM		 1347 printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
1348 dev->name, dev->id);
1349 }
8c867b25 1350 }
1da177e4 1351
95e852e1 1352 dev->cache_protected = 0;
cb1042f2
SM		 1353 dev->jbod = ((dev->supplement_adapter_info.FeatureBits &
1354 AAC_FEATURE_JBOD) != 0);
1da177e4
LT		 1355 dev->nondasd_support = 0;
1356 dev->raid_scsi_mode = 0;
95e852e1 1357 if(dev->adapter_info.options & AAC_OPT_NONDASD)
1da177e4 1358 dev->nondasd_support = 1;
1da177e4
LT		 1359
1360 /*
1361 * If the firmware supports ROMB RAID/SCSI mode and we are currently
1362 * in RAID/SCSI mode, set the flag. For now if in this mode we will
1363 * force nondasd support on. If we decide to allow the non-dasd flag
1364 * additional changes changes will have to be made to support
1365 * RAID/SCSI. the function aac_scsi_cmd in this module will have to be
1366 * changed to support the new dev->raid_scsi_mode flag instead of
1367 * leaching off of the dev->nondasd_support flag. Also in linit.c the
1368 * function aac_detect will have to be modified where it sets up the
1369 * max number of channels based on the aac->nondasd_support flag only.
1370 */
1371 if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
1372 (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
1373 dev->nondasd_support = 1;
1374 dev->raid_scsi_mode = 1;
1375 }
1376 if (dev->raid_scsi_mode != 0)
1377 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
1378 dev->name, dev->id);
8ce3eca4 1379
95e852e1 1380 if (nondasd != -1)
1da177e4 1381 dev->nondasd_support = (nondasd!=0);
2f7ecc55 1382 if (dev->nondasd_support && !dev->in_reset)
1da177e4 1383 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
1da177e4
LT		 1384
1385 dev->dac_support = 0;
1386 if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){
2f7ecc55
SM		 1387 if (!dev->in_reset)
1388 printk(KERN_INFO "%s%d: 64bit support enabled.\n",
1389 dev->name, dev->id);
1da177e4
LT		 1390 dev->dac_support = 1;
1391 }
1392
1393 if(dacmode != -1) {
1394 dev->dac_support = (dacmode!=0);
1395 }
1396 if(dev->dac_support != 0) {
71e0f32f
JB		 1397 if (!pci_set_dma_mask(dev->pdev, DMA_64BIT_MASK) &&
1398 !pci_set_consistent_dma_mask(dev->pdev, DMA_64BIT_MASK)) {
2f7ecc55
SM		 1399 if (!dev->in_reset)
1400 printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
1401 dev->name, dev->id);
71e0f32f
JB		 1402 } else if (!pci_set_dma_mask(dev->pdev, DMA_32BIT_MASK) &&
1403 !pci_set_consistent_dma_mask(dev->pdev, DMA_32BIT_MASK)) {
1da177e4
LT		 1404 printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
1405 dev->name, dev->id);
1406 dev->dac_support = 0;
1407 } else {
1408 printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
1409 dev->name, dev->id);
1410 rcode = -ENOMEM;
1411 }
1412 }
8ce3eca4 1413 /*
e8f32de5
MH		 1414 * Deal with configuring for the individualized limits of each packet
1415 * interface.
7c00ffa3 1416 */
e8f32de5 1417 dev->a_ops.adapter_scsi = (dev->dac_support)
94cf6ba1
SM		 1418 ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32)
1419 ? aac_scsi_32_64
1420 : aac_scsi_64)
e8f32de5
MH		 1421 : aac_scsi_32;
1422 if (dev->raw_io_interface) {
1423 dev->a_ops.adapter_bounds = (dev->raw_io_64)
1424 ? aac_bounds_64
1425 : aac_bounds_32;
1426 dev->a_ops.adapter_read = aac_read_raw_io;
1427 dev->a_ops.adapter_write = aac_write_raw_io;
1428 } else {
1429 dev->a_ops.adapter_bounds = aac_bounds_32;
0e68c003 1430 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
7c00ffa3 1431 sizeof(struct aac_fibhdr) -
63a70eea
MH		 1432 sizeof(struct aac_write) + sizeof(struct sgentry)) /
1433 sizeof(struct sgentry);
0e68c003 1434 if (dev->dac_support) {
e8f32de5
MH		 1435 dev->a_ops.adapter_read = aac_read_block64;
1436 dev->a_ops.adapter_write = aac_write_block64;
8ce3eca4
SM		 1437 /*
1438 * 38 scatter gather elements
0e68c003
MH		 1439 */
1440 dev->scsi_host_ptr->sg_tablesize =
1441 (dev->max_fib_size -
1442 sizeof(struct aac_fibhdr) -
1443 sizeof(struct aac_write64) +
63a70eea
MH		 1444 sizeof(struct sgentry64)) /
1445 sizeof(struct sgentry64);
e8f32de5
MH		 1446 } else {
1447 dev->a_ops.adapter_read = aac_read_block;
1448 dev->a_ops.adapter_write = aac_write_block;
0e68c003
MH		 1449 }
1450 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
1451 if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
1452 /*
1453 * Worst case size that could cause sg overflow when
1454 * we break up SG elements that are larger than 64KB.
1455 * Would be nice if we could tell the SCSI layer what
1456 * the maximum SG element size can be. Worst case is
1457 * (sg_tablesize-1) 4KB elements with one 64KB
1458 * element.
1459 * 32bit -> 468 or 238KB 64bit -> 424 or 212KB
1460 */
1461 dev->scsi_host_ptr->max_sectors =
1462 (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
1463 }
7c00ffa3 1464 }
1da177e4 1465
bfb35aa8
MH		 1466 aac_fib_complete(fibptr);
1467 aac_fib_free(fibptr);
1da177e4
LT		 1468
1469 return rcode;
1470}
1471
1472
e53cb35a 1473static void io_callback(void *context, struct fib * fibptr)
1da177e4
LT		 1474{
1475 struct aac_dev *dev;
1476 struct aac_read_reply *readreply;
1477 struct scsi_cmnd *scsicmd;
1da177e4
LT		 1478 u32 cid;
1479
1480 scsicmd = (struct scsi_cmnd *) context;
1481
03d44337
MH		 1482 if (!aac_valid_context(scsicmd, fibptr))
1483 return;
1484
1a655040 1485 dev = fibptr->dev;
e5718774 1486 cid = scmd_id(scsicmd);
1da177e4 1487
7a8cf29d
MH		 1488 if (nblank(dprintk(x))) {
1489 u64 lba;
1490 switch (scsicmd->cmnd[0]) {
1491 case WRITE_6:
1492 case READ_6:
1493 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1494 (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1495 break;
1496 case WRITE_16:
1497 case READ_16:
1498 lba = ((u64)scsicmd->cmnd[2] << 56) |
1499 ((u64)scsicmd->cmnd[3] << 48) |
1500 ((u64)scsicmd->cmnd[4] << 40) |
1501 ((u64)scsicmd->cmnd[5] << 32) |
1502 ((u64)scsicmd->cmnd[6] << 24) |
1503 (scsicmd->cmnd[7] << 16) |
1504 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1505 break;
1506 case WRITE_12:
1507 case READ_12:
1508 lba = ((u64)scsicmd->cmnd[2] << 24) |
1509 (scsicmd->cmnd[3] << 16) |
1510 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1511 break;
1512 default:
1513 lba = ((u64)scsicmd->cmnd[2] << 24) |
1514 (scsicmd->cmnd[3] << 16) |
1515 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1516 break;
1517 }
1518 printk(KERN_DEBUG
1519 "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
1520 smp_processor_id(), (unsigned long long)lba, jiffies);
1521 }
1da177e4 1522
125e1874 1523 BUG_ON(fibptr == NULL);
727eead6
FT		 1524
1525 scsi_dma_unmap(scsicmd);
1526
1da177e4
LT		 1527 readreply = (struct aac_read_reply *)fib_data(fibptr);
1528 if (le32_to_cpu(readreply->status) == ST_OK)
1529 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1530 else {
7c00ffa3 1531#ifdef AAC_DETAILED_STATUS_INFO
e53cb35a 1532 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
7c00ffa3
MH		 1533 le32_to_cpu(readreply->status));
1534#endif
1da177e4 1535 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
8e31e607
SM		 1536 set_sense(&dev->fsa_dev[cid].sense_data,
1537 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1538 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1da177e4 1539 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
3ace426f
SM		 1540 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1541 SCSI_SENSE_BUFFERSIZE));
1da177e4 1542 }
bfb35aa8
MH		 1543 aac_fib_complete(fibptr);
1544 aac_fib_free(fibptr);
1da177e4 1545
8e0c5ebd 1546 scsicmd->scsi_done(scsicmd);
1da177e4
LT		 1547}
1548
9e7c349c 1549static int aac_read(struct scsi_cmnd * scsicmd)
1da177e4 1550{
7a8cf29d 1551 u64 lba;
1da177e4
LT		 1552 u32 count;
1553 int status;
1da177e4
LT		 1554 struct aac_dev *dev;
1555 struct fib * cmd_fibcontext;
1556
1557 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1558 /*
1559 * Get block address and transfer length
1560 */
7a8cf29d
MH		 1561 switch (scsicmd->cmnd[0]) {
1562 case READ_6:
9e7c349c 1563 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
1da177e4 1564
8ce3eca4 1565 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
7a8cf29d 1566 (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1da177e4
LT		 1567 count = scsicmd->cmnd[4];
1568
1569 if (count == 0)
1570 count = 256;
7a8cf29d
MH		 1571 break;
1572 case READ_16:
9e7c349c 1573 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
7a8cf29d 1574
8ce3eca4
SM		 1575 lba = ((u64)scsicmd->cmnd[2] << 56) |
1576 ((u64)scsicmd->cmnd[3] << 48) |
7a8cf29d
MH		 1577 ((u64)scsicmd->cmnd[4] << 40) |
1578 ((u64)scsicmd->cmnd[5] << 32) |
8ce3eca4 1579 ((u64)scsicmd->cmnd[6] << 24) |
7a8cf29d
MH		 1580 (scsicmd->cmnd[7] << 16) |
1581 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
8ce3eca4 1582 count = (scsicmd->cmnd[10] << 24) |
7a8cf29d
MH		 1583 (scsicmd->cmnd[11] << 16) |
1584 (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1585 break;
1586 case READ_12:
9e7c349c 1587 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
7a8cf29d 1588
8ce3eca4 1589 lba = ((u64)scsicmd->cmnd[2] << 24) |
7a8cf29d 1590 (scsicmd->cmnd[3] << 16) |
8ce3eca4
SM		 1591 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1592 count = (scsicmd->cmnd[6] << 24) |
7a8cf29d 1593 (scsicmd->cmnd[7] << 16) |
8ce3eca4 1594 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
7a8cf29d
MH		 1595 break;
1596 default:
9e7c349c 1597 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
1da177e4 1598
8ce3eca4
SM		 1599 lba = ((u64)scsicmd->cmnd[2] << 24) |
1600 (scsicmd->cmnd[3] << 16) |
7a8cf29d 1601 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1da177e4 1602 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
7a8cf29d 1603 break;
1da177e4 1604 }
7a8cf29d 1605 dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
7c00ffa3 1606 smp_processor_id(), (unsigned long long)lba, jiffies));
e8f32de5 1607 if (aac_adapter_bounds(dev,scsicmd,lba))
7a8cf29d 1608 return 0;
1da177e4
LT		 1609 /*
1610 * Alocate and initialize a Fib
1611 */
bfb35aa8 1612 if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1da177e4
LT		 1613 return -1;
1614 }
1615
e8f32de5 1616 status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
1da177e4
LT		 1617
1618 /*
1619 * Check that the command queued to the controller
1620 */
77d644d4
MH		 1621 if (status == -EINPROGRESS) {
1622 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1da177e4 1623 return 0;
77d644d4 1624 }
8ce3eca4 1625
bfb35aa8 1626 printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
1da177e4
LT		 1627 /*
1628 * For some reason, the Fib didn't queue, return QUEUE_FULL
1629 */
1630 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
8e0c5ebd 1631 scsicmd->scsi_done(scsicmd);
bfb35aa8
MH		 1632 aac_fib_complete(cmd_fibcontext);
1633 aac_fib_free(cmd_fibcontext);
1da177e4
LT		 1634 return 0;
1635}
1636
9e7c349c 1637static int aac_write(struct scsi_cmnd * scsicmd)
1da177e4 1638{
7a8cf29d 1639 u64 lba;
1da177e4 1640 u32 count;
9d399cc7 1641 int fua;
1da177e4 1642 int status;
1da177e4
LT		 1643 struct aac_dev *dev;
1644 struct fib * cmd_fibcontext;
1645
1646 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1647 /*
1648 * Get block address and transfer length
1649 */
1650 if (scsicmd->cmnd[0] == WRITE_6) /* 6 byte command */
1651 {
1652 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1653 count = scsicmd->cmnd[4];
1654 if (count == 0)
1655 count = 256;
9d399cc7 1656 fua = 0;
7a8cf29d 1657 } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
9e7c349c 1658 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
7a8cf29d 1659
8ce3eca4 1660 lba = ((u64)scsicmd->cmnd[2] << 56) |
7a8cf29d
MH		 1661 ((u64)scsicmd->cmnd[3] << 48) |
1662 ((u64)scsicmd->cmnd[4] << 40) |
1663 ((u64)scsicmd->cmnd[5] << 32) |
8ce3eca4 1664 ((u64)scsicmd->cmnd[6] << 24) |
7a8cf29d
MH		 1665 (scsicmd->cmnd[7] << 16) |
1666 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1667 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
1668 (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
9d399cc7 1669 fua = scsicmd->cmnd[1] & 0x8;
7a8cf29d 1670 } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
9e7c349c 1671 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
7a8cf29d
MH		 1672
1673 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
1674 | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1675 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
1676 | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
9d399cc7 1677 fua = scsicmd->cmnd[1] & 0x8;
1da177e4 1678 } else {
9e7c349c 1679 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
7a8cf29d 1680 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1da177e4 1681 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
9d399cc7 1682 fua = scsicmd->cmnd[1] & 0x8;
1da177e4 1683 }
7a8cf29d 1684 dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
1da177e4 1685 smp_processor_id(), (unsigned long long)lba, jiffies));
e8f32de5 1686 if (aac_adapter_bounds(dev,scsicmd,lba))
7a8cf29d 1687 return 0;
1da177e4
LT		 1688 /*
1689 * Allocate and initialize a Fib then setup a BlockWrite command
1690 */
bfb35aa8 1691 if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1da177e4 1692 scsicmd->result = DID_ERROR << 16;
8e0c5ebd 1693 scsicmd->scsi_done(scsicmd);
1da177e4
LT		 1694 return 0;
1695 }
1da177e4 1696
9d399cc7 1697 status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
1da177e4
LT		 1698
1699 /*
1700 * Check that the command queued to the controller
1701 */
77d644d4
MH		 1702 if (status == -EINPROGRESS) {
1703 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1da177e4
LT		 1704 return 0;
1705 }
1706
bfb35aa8 1707 printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
1da177e4
LT		 1708 /*
1709 * For some reason, the Fib didn't queue, return QUEUE_FULL
1710 */
1711 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
8e0c5ebd 1712 scsicmd->scsi_done(scsicmd);
1da177e4 1713
bfb35aa8
MH		 1714 aac_fib_complete(cmd_fibcontext);
1715 aac_fib_free(cmd_fibcontext);
1da177e4
LT		 1716 return 0;
1717}
1718
1719static void synchronize_callback(void *context, struct fib *fibptr)
1720{
1721 struct aac_synchronize_reply *synchronizereply;
1722 struct scsi_cmnd *cmd;
1723
1724 cmd = context;
1725
03d44337
MH		 1726 if (!aac_valid_context(cmd, fibptr))
1727 return;
1728
b90f90d2 1729 dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
1da177e4
LT		 1730 smp_processor_id(), jiffies));
1731 BUG_ON(fibptr == NULL);
1732
1733
1734 synchronizereply = fib_data(fibptr);
1735 if (le32_to_cpu(synchronizereply->status) == CT_OK)
b90f90d2 1736 cmd->result = DID_OK << 16 |
1da177e4
LT		 1737 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1738 else {
1739 struct scsi_device *sdev = cmd->device;
1a655040 1740 struct aac_dev *dev = fibptr->dev;
e5718774 1741 u32 cid = sdev_id(sdev);
b90f90d2 1742 printk(KERN_WARNING
1da177e4
LT		 1743 "synchronize_callback: synchronize failed, status = %d\n",
1744 le32_to_cpu(synchronizereply->status));
b90f90d2 1745 cmd->result = DID_OK << 16 |
1da177e4 1746 COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
8e31e607
SM		 1747 set_sense(&dev->fsa_dev[cid].sense_data,
1748 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1749 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1da177e4 1750 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
b80ca4f7
FT		 1751 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1752 SCSI_SENSE_BUFFERSIZE));
1da177e4
LT		 1753 }
1754
bfb35aa8
MH		 1755 aac_fib_complete(fibptr);
1756 aac_fib_free(fibptr);
8e0c5ebd 1757 cmd->scsi_done(cmd);
1da177e4
LT		 1758}
1759
9e7c349c 1760static int aac_synchronize(struct scsi_cmnd *scsicmd)
1da177e4
LT		 1761{
1762 int status;
1763 struct fib *cmd_fibcontext;
1764 struct aac_synchronize *synchronizecmd;
1765 struct scsi_cmnd *cmd;
1766 struct scsi_device *sdev = scsicmd->device;
1767 int active = 0;
90ee3466 1768 struct aac_dev *aac;
b90f90d2
SM		 1769 u64 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) |
1770 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1771 u32 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1da177e4
LT		 1772 unsigned long flags;
1773
1774 /*
77d644d4
MH		 1775 * Wait for all outstanding queued commands to complete to this
1776 * specific target (block).
1da177e4
LT		 1777 */
1778 spin_lock_irqsave(&sdev->list_lock, flags);
1779 list_for_each_entry(cmd, &sdev->cmd_list, list)
b90f90d2
SM		 1780 if (cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
1781 u64 cmnd_lba;
1782 u32 cmnd_count;
1783
1784 if (cmd->cmnd[0] == WRITE_6) {
1785 cmnd_lba = ((cmd->cmnd[1] & 0x1F) << 16) |
1786 (cmd->cmnd[2] << 8) |
1787 cmd->cmnd[3];
1788 cmnd_count = cmd->cmnd[4];
1789 if (cmnd_count == 0)
1790 cmnd_count = 256;
1791 } else if (cmd->cmnd[0] == WRITE_16) {
1792 cmnd_lba = ((u64)cmd->cmnd[2] << 56) |
1793 ((u64)cmd->cmnd[3] << 48) |
1794 ((u64)cmd->cmnd[4] << 40) |
1795 ((u64)cmd->cmnd[5] << 32) |
1796 ((u64)cmd->cmnd[6] << 24) |
1797 (cmd->cmnd[7] << 16) |
1798 (cmd->cmnd[8] << 8) |
1799 cmd->cmnd[9];
1800 cmnd_count = (cmd->cmnd[10] << 24) |
1801 (cmd->cmnd[11] << 16) |
1802 (cmd->cmnd[12] << 8) |
1803 cmd->cmnd[13];
1804 } else if (cmd->cmnd[0] == WRITE_12) {
1805 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
1806 (cmd->cmnd[3] << 16) |
1807 (cmd->cmnd[4] << 8) |
1808 cmd->cmnd[5];
1809 cmnd_count = (cmd->cmnd[6] << 24) |
1810 (cmd->cmnd[7] << 16) |
1811 (cmd->cmnd[8] << 8) |
1812 cmd->cmnd[9];
1813 } else if (cmd->cmnd[0] == WRITE_10) {
1814 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
1815 (cmd->cmnd[3] << 16) |
1816 (cmd->cmnd[4] << 8) |
1817 cmd->cmnd[5];
1818 cmnd_count = (cmd->cmnd[7] << 8) |
1819 cmd->cmnd[8];
1820 } else
1821 continue;
1822 if (((cmnd_lba + cmnd_count) < lba) ||
1823 (count && ((lba + count) < cmnd_lba)))
1824 continue;
1da177e4
LT		 1825 ++active;
1826 break;
1827 }
1828
1829 spin_unlock_irqrestore(&sdev->list_lock, flags);
1830
1831 /*
1832 * Yield the processor (requeue for later)
1833 */
1834 if (active)
1835 return SCSI_MLQUEUE_DEVICE_BUSY;
1836
f858317d 1837 aac = (struct aac_dev *)sdev->host->hostdata;
8c867b25
MH		 1838 if (aac->in_reset)
1839 return SCSI_MLQUEUE_HOST_BUSY;
1840
1da177e4 1841 /*
7c00ffa3 1842 * Allocate and initialize a Fib
1da177e4 1843 */
90ee3466 1844 if (!(cmd_fibcontext = aac_fib_alloc(aac)))
1da177e4
LT		 1845 return SCSI_MLQUEUE_HOST_BUSY;
1846
bfb35aa8 1847 aac_fib_init(cmd_fibcontext);
1da177e4
LT		 1848
1849 synchronizecmd = fib_data(cmd_fibcontext);
1850 synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
1851 synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
9e7c349c 1852 synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
b90f90d2 1853 synchronizecmd->count =
1da177e4
LT		 1854 cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
1855
1856 /*
1857 * Now send the Fib to the adapter
1858 */
bfb35aa8 1859 status = aac_fib_send(ContainerCommand,
1da177e4
LT		 1860 cmd_fibcontext,
1861 sizeof(struct aac_synchronize),
1862 FsaNormal,
1863 0, 1,
1864 (fib_callback)synchronize_callback,
1865 (void *)scsicmd);
1866
1867 /*
1868 * Check that the command queued to the controller
1869 */
77d644d4
MH		 1870 if (status == -EINPROGRESS) {
1871 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1da177e4 1872 return 0;
77d644d4 1873 }
1da177e4 1874
b90f90d2 1875 printk(KERN_WARNING
bfb35aa8
MH		 1876 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
1877 aac_fib_complete(cmd_fibcontext);
1878 aac_fib_free(cmd_fibcontext);
1da177e4
LT		 1879 return SCSI_MLQUEUE_HOST_BUSY;
1880}
1881
1882/**
1883 * aac_scsi_cmd() - Process SCSI command
1884 * @scsicmd: SCSI command block
1885 *
1886 * Emulate a SCSI command and queue the required request for the
1887 * aacraid firmware.
1888 */
8ce3eca4 1889
1da177e4
LT		 1890int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
1891{
1a655040 1892 u32 cid;
1da177e4
LT		 1893 struct Scsi_Host *host = scsicmd->device->host;
1894 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
1895 struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
8ce3eca4 1896
90ee3466
MH		 1897 if (fsa_dev_ptr == NULL)
1898 return -1;
1da177e4
LT		 1899 /*
1900 * If the bus, id or lun is out of range, return fail
1901 * Test does not apply to ID 16, the pseudo id for the controller
1902 * itself.
1903 */
1a655040
SM		 1904 cid = scmd_id(scsicmd);
1905 if (cid != host->this_id) {
1906 if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
1907 if((cid >= dev->maximum_num_containers) ||
e5718774 1908 (scsicmd->device->lun != 0)) {
1da177e4
LT		 1909 scsicmd->result = DID_NO_CONNECT << 16;
1910 scsicmd->scsi_done(scsicmd);
1911 return 0;
1912 }
1da177e4
LT		 1913
1914 /*
1915 * If the target container doesn't exist, it may have
1916 * been newly created
1917 */
1918 if ((fsa_dev_ptr[cid].valid & 1) == 0) {
1919 switch (scsicmd->cmnd[0]) {
7a8cf29d
MH		 1920 case SERVICE_ACTION_IN:
1921 if (!(dev->raw_io_interface) ||
1922 !(dev->raw_io_64) ||
1923 ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
1924 break;
1da177e4
LT		 1925 case INQUIRY:
1926 case READ_CAPACITY:
1927 case TEST_UNIT_READY:
8c867b25
MH		 1928 if (dev->in_reset)
1929 return -1;
fe76df42
MH		 1930 return _aac_probe_container(scsicmd,
1931 aac_probe_container_callback2);
1da177e4
LT		 1932 default:
1933 break;
1934 }
1935 }
1da177e4 1936 } else { /* check for physical non-dasd devices */
cb1042f2
SM		 1937 if (dev->nondasd_support || expose_physicals ||
1938 dev->jbod) {
8c867b25
MH		 1939 if (dev->in_reset)
1940 return -1;
1da177e4
LT		 1941 return aac_send_srb_fib(scsicmd);
1942 } else {
1943 scsicmd->result = DID_NO_CONNECT << 16;
1944 scsicmd->scsi_done(scsicmd);
1945 return 0;
1946 }
1947 }
1948 }
1949 /*
1950 * else Command for the controller itself
1951 */
1952 else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */
8ce3eca4 1953 (scsicmd->cmnd[0] != TEST_UNIT_READY))
1da177e4
LT		 1954 {
1955 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
1956 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
8e31e607
SM		 1957 set_sense(&dev->fsa_dev[cid].sense_data,
1958 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
1959 ASENCODE_INVALID_COMMAND, 0, 0);
1da177e4 1960 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
3ace426f
SM		 1961 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1962 SCSI_SENSE_BUFFERSIZE));
1da177e4
LT		 1963 scsicmd->scsi_done(scsicmd);
1964 return 0;
1965 }
1966
1967
1968 /* Handle commands here that don't really require going out to the adapter */
1969 switch (scsicmd->cmnd[0]) {
1970 case INQUIRY:
1971 {
3b2946cc 1972 struct inquiry_data inq_data;
1da177e4 1973
1a655040 1974 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
3b2946cc 1975 memset(&inq_data, 0, sizeof (struct inquiry_data));
1da177e4 1976
8ce3eca4 1977 if (scsicmd->cmnd[1] & 0x1) {
88e2f98e
SM		 1978 char *arr = (char *)&inq_data;
1979
1980 /* EVPD bit set */
1981 arr[0] = (scmd_id(scsicmd) == host->this_id) ?
1982 INQD_PDT_PROC : INQD_PDT_DA;
1983 if (scsicmd->cmnd[2] == 0) {
1984 /* supported vital product data pages */
1985 arr[3] = 2;
1986 arr[4] = 0x0;
1987 arr[5] = 0x80;
1988 arr[1] = scsicmd->cmnd[2];
1989 aac_internal_transfer(scsicmd, &inq_data, 0,
1990 sizeof(inq_data));
1991 scsicmd->result = DID_OK << 16 |
1992 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1993 } else if (scsicmd->cmnd[2] == 0x80) {
1994 /* unit serial number page */
1995 arr[3] = setinqserial(dev, &arr[4],
1996 scmd_id(scsicmd));
1997 arr[1] = scsicmd->cmnd[2];
1998 aac_internal_transfer(scsicmd, &inq_data, 0,
1999 sizeof(inq_data));
2000 return aac_get_container_serial(scsicmd);
2001 } else {
2002 /* vpd page not implemented */
2003 scsicmd->result = DID_OK << 16 |
2004 COMMAND_COMPLETE << 8 |
2005 SAM_STAT_CHECK_CONDITION;
8e31e607
SM		 2006 set_sense(&dev->fsa_dev[cid].sense_data,
2007 ILLEGAL_REQUEST, SENCODE_INVALID_CDB_FIELD,
2008 ASENCODE_NO_SENSE, 7, 2);
88e2f98e
SM		 2009 memcpy(scsicmd->sense_buffer,
2010 &dev->fsa_dev[cid].sense_data,
3ace426f
SM		 2011 min_t(size_t,
2012 sizeof(dev->fsa_dev[cid].sense_data),
2013 SCSI_SENSE_BUFFERSIZE));
88e2f98e
SM		 2014 }
2015 scsicmd->scsi_done(scsicmd);
2016 return 0;
2017 }
3b2946cc 2018 inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */
3b2946cc
MH		 2019 inq_data.inqd_rdf = 2; /* A response data format value of two indicates that the data shall be in the format specified in SCSI-2 */
2020 inq_data.inqd_len = 31;
1da177e4 2021 /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
3b2946cc 2022 inq_data.inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */
1da177e4
LT		 2023 /*
2024 * Set the Vendor, Product, and Revision Level
2025 * see: <vendor>.c i.e. aac.c
2026 */
1a655040 2027 if (cid == host->this_id) {
6391a113 2028 setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
3b2946cc
MH		 2029 inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */
2030 aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
1da177e4
LT		 2031 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2032 scsicmd->scsi_done(scsicmd);
2033 return 0;
2034 }
8c867b25
MH		 2035 if (dev->in_reset)
2036 return -1;
794d0601 2037 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
3b2946cc
MH		 2038 inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */
2039 aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
9e7c349c 2040 return aac_get_container_name(scsicmd);
1da177e4 2041 }
7a8cf29d
MH		 2042 case SERVICE_ACTION_IN:
2043 if (!(dev->raw_io_interface) ||
2044 !(dev->raw_io_64) ||
2045 ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2046 break;
2047 {
2048 u64 capacity;
07ce5eba 2049 char cp[13];
7a8cf29d
MH		 2050
2051 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
2052 capacity = fsa_dev_ptr[cid].size - 1;
7a8cf29d
MH		 2053 cp[0] = (capacity >> 56) & 0xff;
2054 cp[1] = (capacity >> 48) & 0xff;
2055 cp[2] = (capacity >> 40) & 0xff;
2056 cp[3] = (capacity >> 32) & 0xff;
2057 cp[4] = (capacity >> 24) & 0xff;
2058 cp[5] = (capacity >> 16) & 0xff;
2059 cp[6] = (capacity >> 8) & 0xff;
2060 cp[7] = (capacity >> 0) & 0xff;
2061 cp[8] = 0;
2062 cp[9] = 0;
2063 cp[10] = 2;
2064 cp[11] = 0;
07ce5eba
MH		 2065 cp[12] = 0;
2066 aac_internal_transfer(scsicmd, cp, 0,
1241f359 2067 min_t(size_t, scsicmd->cmnd[13], sizeof(cp)));
07ce5eba
MH		 2068 if (sizeof(cp) < scsicmd->cmnd[13]) {
2069 unsigned int len, offset = sizeof(cp);
2070
2071 memset(cp, 0, offset);
2072 do {
1241f359
MH		 2073 len = min_t(size_t, scsicmd->cmnd[13] - offset,
2074 sizeof(cp));
07ce5eba
MH		 2075 aac_internal_transfer(scsicmd, cp, offset, len);
2076 } while ((offset += len) < scsicmd->cmnd[13]);
2077 }
7a8cf29d
MH		 2078
2079 /* Do not cache partition table for arrays */
2080 scsicmd->device->removable = 1;
2081
2082 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2083 scsicmd->scsi_done(scsicmd);
2084
2085 return 0;
2086 }
2087
1da177e4
LT		 2088 case READ_CAPACITY:
2089 {
2090 u32 capacity;
3b2946cc 2091 char cp[8];
1da177e4
LT		 2092
2093 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
7a8cf29d 2094 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
1da177e4
LT		 2095 capacity = fsa_dev_ptr[cid].size - 1;
2096 else
2097 capacity = (u32)-1;
3b2946cc 2098
1da177e4
LT		 2099 cp[0] = (capacity >> 24) & 0xff;
2100 cp[1] = (capacity >> 16) & 0xff;
2101 cp[2] = (capacity >> 8) & 0xff;
2102 cp[3] = (capacity >> 0) & 0xff;
2103 cp[4] = 0;
2104 cp[5] = 0;
2105 cp[6] = 2;
2106 cp[7] = 0;
3b2946cc 2107 aac_internal_transfer(scsicmd, cp, 0, sizeof(cp));
7a8cf29d
MH		 2108 /* Do not cache partition table for arrays */
2109 scsicmd->device->removable = 1;
1da177e4
LT		 2110
2111 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2112 scsicmd->scsi_done(scsicmd);
2113
2114 return 0;
2115 }
2116
2117 case MODE_SENSE:
2118 {
9d399cc7
SM		 2119 char mode_buf[7];
2120 int mode_buf_length = 4;
1da177e4
LT		 2121
2122 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
1da177e4
LT		 2123 mode_buf[0] = 3; /* Mode data length */
2124 mode_buf[1] = 0; /* Medium type - default */
9d399cc7
SM		 2125 mode_buf[2] = 0; /* Device-specific param,
2126 bit 8: 0/1 = write enabled/protected
2127 bit 4: 0/1 = FUA enabled */
95e852e1 2128 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
9d399cc7 2129 mode_buf[2] = 0x10;
1da177e4 2130 mode_buf[3] = 0; /* Block descriptor length */
9d399cc7
SM		 2131 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
2132 ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
2133 mode_buf[0] = 6;
2134 mode_buf[4] = 8;
2135 mode_buf[5] = 1;
95e852e1
SM		 2136 mode_buf[6] = ((aac_cache & 6) == 2)
2137 ? 0 : 0x04; /* WCE */
9d399cc7
SM		 2138 mode_buf_length = 7;
2139 if (mode_buf_length > scsicmd->cmnd[4])
2140 mode_buf_length = scsicmd->cmnd[4];
2141 }
2142 aac_internal_transfer(scsicmd, mode_buf, 0, mode_buf_length);
1da177e4
LT		 2143 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2144 scsicmd->scsi_done(scsicmd);
2145
2146 return 0;
2147 }
2148 case MODE_SENSE_10:
2149 {
9d399cc7
SM		 2150 char mode_buf[11];
2151 int mode_buf_length = 8;
1da177e4
LT		 2152
2153 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
1da177e4
LT		 2154 mode_buf[0] = 0; /* Mode data length (MSB) */
2155 mode_buf[1] = 6; /* Mode data length (LSB) */
2156 mode_buf[2] = 0; /* Medium type - default */
9d399cc7
SM		 2157 mode_buf[3] = 0; /* Device-specific param,
2158 bit 8: 0/1 = write enabled/protected
2159 bit 4: 0/1 = FUA enabled */
95e852e1 2160 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
9d399cc7 2161 mode_buf[3] = 0x10;
1da177e4
LT		 2162 mode_buf[4] = 0; /* reserved */
2163 mode_buf[5] = 0; /* reserved */
2164 mode_buf[6] = 0; /* Block descriptor length (MSB) */
2165 mode_buf[7] = 0; /* Block descriptor length (LSB) */
9d399cc7
SM		 2166 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
2167 ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
2168 mode_buf[1] = 9;
2169 mode_buf[8] = 8;
2170 mode_buf[9] = 1;
95e852e1
SM		 2171 mode_buf[10] = ((aac_cache & 6) == 2)
2172 ? 0 : 0x04; /* WCE */
9d399cc7
SM		 2173 mode_buf_length = 11;
2174 if (mode_buf_length > scsicmd->cmnd[8])
2175 mode_buf_length = scsicmd->cmnd[8];
2176 }
2177 aac_internal_transfer(scsicmd, mode_buf, 0, mode_buf_length);
1da177e4
LT		 2178
2179 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2180 scsicmd->scsi_done(scsicmd);
2181
2182 return 0;
2183 }
2184 case REQUEST_SENSE:
2185 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
2186 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
2187 memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
2188 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2189 scsicmd->scsi_done(scsicmd);
2190 return 0;
2191
2192 case ALLOW_MEDIUM_REMOVAL:
2193 dprintk((KERN_DEBUG "LOCK command.\n"));
2194 if (scsicmd->cmnd[4])
2195 fsa_dev_ptr[cid].locked = 1;
2196 else
2197 fsa_dev_ptr[cid].locked = 0;
2198
2199 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2200 scsicmd->scsi_done(scsicmd);
2201 return 0;
2202 /*
2203 * These commands are all No-Ops
2204 */
2205 case TEST_UNIT_READY:
2206 case RESERVE:
2207 case RELEASE:
2208 case REZERO_UNIT:
2209 case REASSIGN_BLOCKS:
2210 case SEEK_10:
2211 case START_STOP:
2212 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2213 scsicmd->scsi_done(scsicmd);
2214 return 0;
2215 }
2216
8ce3eca4 2217 switch (scsicmd->cmnd[0])
1da177e4
LT		 2218 {
2219 case READ_6:
2220 case READ_10:
7a8cf29d
MH		 2221 case READ_12:
2222 case READ_16:
8c867b25
MH		 2223 if (dev->in_reset)
2224 return -1;
1da177e4
LT		 2225 /*
2226 * Hack to keep track of ordinal number of the device that
2227 * corresponds to a container. Needed to convert
2228 * containers to /dev/sd device names
2229 */
8ce3eca4 2230
7a8cf29d
MH		 2231 if (scsicmd->request->rq_disk)
2232 strlcpy(fsa_dev_ptr[cid].devname,
2233 scsicmd->request->rq_disk->disk_name,
8ce3eca4 2234 min(sizeof(fsa_dev_ptr[cid].devname),
7a8cf29d 2235 sizeof(scsicmd->request->rq_disk->disk_name) + 1));
77d644d4 2236
9e7c349c 2237 return aac_read(scsicmd);
1da177e4
LT		 2238
2239 case WRITE_6:
2240 case WRITE_10:
7a8cf29d
MH		 2241 case WRITE_12:
2242 case WRITE_16:
8c867b25
MH		 2243 if (dev->in_reset)
2244 return -1;
9e7c349c 2245 return aac_write(scsicmd);
1da177e4
LT		 2246
2247 case SYNCHRONIZE_CACHE:
95e852e1
SM		 2248 if (((aac_cache & 6) == 6) && dev->cache_protected) {
2249 scsicmd->result = DID_OK << 16 |
2250 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2251 scsicmd->scsi_done(scsicmd);
2252 return 0;
2253 }
1da177e4 2254 /* Issue FIB to tell Firmware to flush it's cache */
95e852e1
SM		 2255 if ((aac_cache & 6) != 2)
2256 return aac_synchronize(scsicmd);
2257 /* FALLTHRU */
1da177e4
LT		 2258 default:
2259 /*
2260 * Unhandled commands
2261 */
7c00ffa3 2262 dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]));
1da177e4 2263 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
8e31e607
SM		 2264 set_sense(&dev->fsa_dev[cid].sense_data,
2265 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2266 ASENCODE_INVALID_COMMAND, 0, 0);
1da177e4 2267 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
3ace426f
SM		 2268 min_t(size_t,
2269 sizeof(dev->fsa_dev[cid].sense_data),
2270 SCSI_SENSE_BUFFERSIZE));
1da177e4
LT		 2271 scsicmd->scsi_done(scsicmd);
2272 return 0;
2273 }
2274}
2275
2276static int query_disk(struct aac_dev *dev, void __user *arg)
2277{
2278 struct aac_query_disk qd;
2279 struct fsa_dev_info *fsa_dev_ptr;
2280
2281 fsa_dev_ptr = dev->fsa_dev;
90ee3466 2282 if (!fsa_dev_ptr)
65101355 2283 return -EBUSY;
1da177e4
LT		 2284 if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
2285 return -EFAULT;
2286 if (qd.cnum == -1)
e5718774 2287 qd.cnum = qd.id;
8ce3eca4 2288 else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
1da177e4
LT		 2289 {
2290 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
2291 return -EINVAL;
2292 qd.instance = dev->scsi_host_ptr->host_no;
2293 qd.bus = 0;
2294 qd.id = CONTAINER_TO_ID(qd.cnum);
2295 qd.lun = CONTAINER_TO_LUN(qd.cnum);
2296 }
2297 else return -EINVAL;
2298
fd622b1b 2299 qd.valid = fsa_dev_ptr[qd.cnum].valid != 0;
1da177e4
LT		 2300 qd.locked = fsa_dev_ptr[qd.cnum].locked;
2301 qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
2302
2303 if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
2304 qd.unmapped = 1;
2305 else
2306 qd.unmapped = 0;
2307
2308 strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
2309 min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
2310
2311 if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
2312 return -EFAULT;
2313 return 0;
2314}
2315
2316static int force_delete_disk(struct aac_dev *dev, void __user *arg)
2317{
2318 struct aac_delete_disk dd;
2319 struct fsa_dev_info *fsa_dev_ptr;
2320
2321 fsa_dev_ptr = dev->fsa_dev;
65101355
MH		 2322 if (!fsa_dev_ptr)
2323 return -EBUSY;
1da177e4
LT		 2324
2325 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2326 return -EFAULT;
2327
2328 if (dd.cnum >= dev->maximum_num_containers)
2329 return -EINVAL;
2330 /*
2331 * Mark this container as being deleted.
2332 */
2333 fsa_dev_ptr[dd.cnum].deleted = 1;
2334 /*
2335 * Mark the container as no longer valid
2336 */
2337 fsa_dev_ptr[dd.cnum].valid = 0;
2338 return 0;
2339}
2340
2341static int delete_disk(struct aac_dev *dev, void __user *arg)
2342{
2343 struct aac_delete_disk dd;
2344 struct fsa_dev_info *fsa_dev_ptr;
2345
2346 fsa_dev_ptr = dev->fsa_dev;
90ee3466 2347 if (!fsa_dev_ptr)
65101355 2348 return -EBUSY;
1da177e4
LT		 2349
2350 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2351 return -EFAULT;
2352
2353 if (dd.cnum >= dev->maximum_num_containers)
2354 return -EINVAL;
2355 /*
2356 * If the container is locked, it can not be deleted by the API.
2357 */
2358 if (fsa_dev_ptr[dd.cnum].locked)
2359 return -EBUSY;
2360 else {
2361 /*
2362 * Mark the container as no longer being valid.
2363 */
2364 fsa_dev_ptr[dd.cnum].valid = 0;
2365 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
2366 return 0;
2367 }
2368}
2369
2370int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
2371{
2372 switch (cmd) {
2373 case FSACTL_QUERY_DISK:
2374 return query_disk(dev, arg);
2375 case FSACTL_DELETE_DISK:
2376 return delete_disk(dev, arg);
2377 case FSACTL_FORCE_DELETE_DISK:
2378 return force_delete_disk(dev, arg);
2379 case FSACTL_GET_CONTAINERS:
2380 return aac_get_containers(dev);
2381 default:
2382 return -ENOTTY;
2383 }
2384}
2385
2386/**
2387 *
2388 * aac_srb_callback
2389 * @context: the context set in the fib - here it is scsi cmd
2390 * @fibptr: pointer to the fib
2391 *
2392 * Handles the completion of a scsi command to a non dasd device
2393 *
2394 */
2395
2396static void aac_srb_callback(void *context, struct fib * fibptr)
2397{
2398 struct aac_dev *dev;
2399 struct aac_srb_reply *srbreply;
2400 struct scsi_cmnd *scsicmd;
2401
2402 scsicmd = (struct scsi_cmnd *) context;
03d44337
MH		 2403
2404 if (!aac_valid_context(scsicmd, fibptr))
2405 return;
2406
125e1874 2407 BUG_ON(fibptr == NULL);
1da177e4 2408
1a655040
SM		 2409 dev = fibptr->dev;
2410
1da177e4
LT		 2411 srbreply = (struct aac_srb_reply *) fib_data(fibptr);
2412
2413 scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */
2414 /*
8ce3eca4 2415 * Calculate resid for sg
1da177e4 2416 */
727eead6
FT		 2417
2418 scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
2419 - le32_to_cpu(srbreply->data_xfer_length));
2420
2421 scsi_dma_unmap(scsicmd);
1da177e4
LT		 2422
2423 /*
2424 * First check the fib status
2425 */
2426
2427 if (le32_to_cpu(srbreply->status) != ST_OK){
2428 int len;
2429 printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
3ace426f
SM		 2430 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
2431 SCSI_SENSE_BUFFERSIZE);
1da177e4
LT		 2432 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2433 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2434 }
2435
2436 /*
2437 * Next check the srb status
2438 */
2439 switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
2440 case SRB_STATUS_ERROR_RECOVERY:
2441 case SRB_STATUS_PENDING:
2442 case SRB_STATUS_SUCCESS:
bb08f92e 2443 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
1da177e4
LT		 2444 break;
2445 case SRB_STATUS_DATA_OVERRUN:
2446 switch(scsicmd->cmnd[0]){
2447 case READ_6:
2448 case WRITE_6:
2449 case READ_10:
2450 case WRITE_10:
2451 case READ_12:
2452 case WRITE_12:
7a8cf29d
MH		 2453 case READ_16:
2454 case WRITE_16:
8ce3eca4 2455 if (le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow) {
1da177e4
LT		 2456 printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
2457 } else {
2458 printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
2459 }
2460 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2461 break;
2462 case INQUIRY: {
bb08f92e 2463 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
1da177e4
LT		 2464 break;
2465 }
2466 default:
2467 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2468 break;
2469 }
2470 break;
2471 case SRB_STATUS_ABORTED:
2472 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
2473 break;
2474 case SRB_STATUS_ABORT_FAILED:
2475 // Not sure about this one - but assuming the hba was trying to abort for some reason
2476 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
2477 break;
2478 case SRB_STATUS_PARITY_ERROR:
2479 scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
2480 break;
2481 case SRB_STATUS_NO_DEVICE:
2482 case SRB_STATUS_INVALID_PATH_ID:
2483 case SRB_STATUS_INVALID_TARGET_ID:
2484 case SRB_STATUS_INVALID_LUN:
2485 case SRB_STATUS_SELECTION_TIMEOUT:
2486 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
2487 break;
2488
2489 case SRB_STATUS_COMMAND_TIMEOUT:
2490 case SRB_STATUS_TIMEOUT:
2491 scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
2492 break;
2493
2494 case SRB_STATUS_BUSY:
760af100 2495 scsicmd->result = DID_BUS_BUSY << 16 | COMMAND_COMPLETE << 8;
1da177e4
LT		 2496 break;
2497
2498 case SRB_STATUS_BUS_RESET:
2499 scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
2500 break;
2501
2502 case SRB_STATUS_MESSAGE_REJECTED:
2503 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
2504 break;
2505 case SRB_STATUS_REQUEST_FLUSHED:
2506 case SRB_STATUS_ERROR:
2507 case SRB_STATUS_INVALID_REQUEST:
2508 case SRB_STATUS_REQUEST_SENSE_FAILED:
2509 case SRB_STATUS_NO_HBA:
2510 case SRB_STATUS_UNEXPECTED_BUS_FREE:
2511 case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
2512 case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
2513 case SRB_STATUS_DELAYED_RETRY:
2514 case SRB_STATUS_BAD_FUNCTION:
2515 case SRB_STATUS_NOT_STARTED:
2516 case SRB_STATUS_NOT_IN_USE:
2517 case SRB_STATUS_FORCE_ABORT:
2518 case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
2519 default:
2520#ifdef AAC_DETAILED_STATUS_INFO
2521 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
2522 le32_to_cpu(srbreply->srb_status) & 0x3F,
2523 aac_get_status_string(
8ce3eca4
SM		 2524 le32_to_cpu(srbreply->srb_status) & 0x3F),
2525 scsicmd->cmnd[0],
1da177e4
LT		 2526 le32_to_cpu(srbreply->scsi_status));
2527#endif
2528 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2529 break;
2530 }
8ce3eca4 2531 if (le32_to_cpu(srbreply->scsi_status) == SAM_STAT_CHECK_CONDITION) {
1da177e4
LT		 2532 int len;
2533 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
3ace426f
SM		 2534 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
2535 SCSI_SENSE_BUFFERSIZE);
1da177e4 2536#ifdef AAC_DETAILED_STATUS_INFO
7a8cf29d
MH		 2537 printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
2538 le32_to_cpu(srbreply->status), len);
1da177e4
LT		 2539#endif
2540 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
1da177e4
LT		 2541 }
2542 /*
2543 * OR in the scsi status (already shifted up a bit)
2544 */
2545 scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
2546
bfb35aa8
MH		 2547 aac_fib_complete(fibptr);
2548 aac_fib_free(fibptr);
8e0c5ebd 2549 scsicmd->scsi_done(scsicmd);
1da177e4
LT		 2550}
2551
2552/**
2553 *
2554 * aac_send_scb_fib
2555 * @scsicmd: the scsi command block
2556 *
8ce3eca4 2557 * This routine will form a FIB and fill in the aac_srb from the
1da177e4
LT		 2558 * scsicmd passed in.
2559 */
2560
2561static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
2562{
2563 struct fib* cmd_fibcontext;
2564 struct aac_dev* dev;
2565 int status;
1da177e4 2566
84971738 2567 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
e5718774 2568 if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
84971738 2569 scsicmd->device->lun > 7) {
1da177e4
LT		 2570 scsicmd->result = DID_NO_CONNECT << 16;
2571 scsicmd->scsi_done(scsicmd);
2572 return 0;
2573 }
2574
1da177e4
LT		 2575 /*
2576 * Allocate and initialize a Fib then setup a BlockWrite command
2577 */
bfb35aa8 2578 if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1da177e4
LT		 2579 return -1;
2580 }
e8f32de5 2581 status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
1da177e4 2582
1da177e4
LT		 2583 /*
2584 * Check that the command queued to the controller
2585 */
77d644d4
MH		 2586 if (status == -EINPROGRESS) {
2587 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1da177e4
LT		 2588 return 0;
2589 }
2590
bfb35aa8
MH		 2591 printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
2592 aac_fib_complete(cmd_fibcontext);
2593 aac_fib_free(cmd_fibcontext);
1da177e4
LT		 2594
2595 return -1;
2596}
2597
2598static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
2599{
2600 struct aac_dev *dev;
2601 unsigned long byte_count = 0;
727eead6 2602 int nseg;
1da177e4
LT		 2603
2604 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2605 // Get rid of old data
2606 psg->count = 0;
2607 psg->sg[0].addr = 0;
727eead6
FT		 2608 psg->sg[0].count = 0;
2609
2610 nseg = scsi_dma_map(scsicmd);
2611 BUG_ON(nseg < 0);
2612 if (nseg) {
1da177e4
LT		 2613 struct scatterlist *sg;
2614 int i;
1da177e4 2615
727eead6 2616 psg->count = cpu_to_le32(nseg);
1da177e4 2617
727eead6 2618 scsi_for_each_sg(scsicmd, sg, nseg, i) {
1da177e4
LT		 2619 psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
2620 psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
2621 byte_count += sg_dma_len(sg);
1da177e4
LT		 2622 }
2623 /* hba wants the size to be exact */
727eead6
FT		 2624 if (byte_count > scsi_bufflen(scsicmd)) {
2625 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2626 (byte_count - scsi_bufflen(scsicmd));
56b58712 2627 psg->sg[i-1].count = cpu_to_le32(temp);
727eead6 2628 byte_count = scsi_bufflen(scsicmd);
1da177e4
LT		 2629 }
2630 /* Check for command underflow */
2631 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2632 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2633 byte_count, scsicmd->underflow);
2634 }
2635 }
1da177e4
LT		 2636 return byte_count;
2637}
2638
2639
2640static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg)
2641{
2642 struct aac_dev *dev;
2643 unsigned long byte_count = 0;
56b58712 2644 u64 addr;
727eead6 2645 int nseg;
1da177e4
LT		 2646
2647 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2648 // Get rid of old data
2649 psg->count = 0;
2650 psg->sg[0].addr[0] = 0;
2651 psg->sg[0].addr[1] = 0;
2652 psg->sg[0].count = 0;
727eead6
FT		 2653
2654 nseg = scsi_dma_map(scsicmd);
2655 BUG_ON(nseg < 0);
2656 if (nseg) {
1da177e4
LT		 2657 struct scatterlist *sg;
2658 int i;
1da177e4 2659
727eead6 2660 scsi_for_each_sg(scsicmd, sg, nseg, i) {
1241f359 2661 int count = sg_dma_len(sg);
56b58712
MH		 2662 addr = sg_dma_address(sg);
2663 psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
2664 psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
1241f359
MH		 2665 psg->sg[i].count = cpu_to_le32(count);
2666 byte_count += count;
1da177e4 2667 }
727eead6 2668 psg->count = cpu_to_le32(nseg);
1da177e4 2669 /* hba wants the size to be exact */
727eead6
FT		 2670 if (byte_count > scsi_bufflen(scsicmd)) {
2671 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2672 (byte_count - scsi_bufflen(scsicmd));
56b58712 2673 psg->sg[i-1].count = cpu_to_le32(temp);
727eead6 2674 byte_count = scsi_bufflen(scsicmd);
1da177e4
LT		 2675 }
2676 /* Check for command underflow */
2677 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2678 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2679 byte_count, scsicmd->underflow);
2680 }
2681 }
1da177e4
LT		 2682 return byte_count;
2683}
2684
0e68c003
MH		 2685static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg)
2686{
0e68c003 2687 unsigned long byte_count = 0;
727eead6 2688 int nseg;
0e68c003
MH		 2689
2690 // Get rid of old data
2691 psg->count = 0;
2692 psg->sg[0].next = 0;
2693 psg->sg[0].prev = 0;
2694 psg->sg[0].addr[0] = 0;
2695 psg->sg[0].addr[1] = 0;
2696 psg->sg[0].count = 0;
2697 psg->sg[0].flags = 0;
727eead6
FT		 2698
2699 nseg = scsi_dma_map(scsicmd);
2700 BUG_ON(nseg < 0);
2701 if (nseg) {
0e68c003
MH		 2702 struct scatterlist *sg;
2703 int i;
0e68c003 2704
727eead6 2705 scsi_for_each_sg(scsicmd, sg, nseg, i) {
0e68c003
MH		 2706 int count = sg_dma_len(sg);
2707 u64 addr = sg_dma_address(sg);
2708 psg->sg[i].next = 0;
2709 psg->sg[i].prev = 0;
2710 psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
2711 psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2712 psg->sg[i].count = cpu_to_le32(count);
2713 psg->sg[i].flags = 0;
2714 byte_count += count;
0e68c003 2715 }
727eead6 2716 psg->count = cpu_to_le32(nseg);
0e68c003 2717 /* hba wants the size to be exact */
727eead6
FT		 2718 if (byte_count > scsi_bufflen(scsicmd)) {
2719 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2720 (byte_count - scsi_bufflen(scsicmd));
0e68c003 2721 psg->sg[i-1].count = cpu_to_le32(temp);
727eead6 2722 byte_count = scsi_bufflen(scsicmd);
0e68c003
MH		 2723 }
2724 /* Check for command underflow */
2725 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2726 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2727 byte_count, scsicmd->underflow);
2728 }
2729 }
0e68c003
MH		 2730 return byte_count;
2731}
2732
1da177e4
LT		 2733#ifdef AAC_DETAILED_STATUS_INFO
2734
2735struct aac_srb_status_info {
2736 u32 status;
2737 char *str;
2738};
2739
2740
2741static struct aac_srb_status_info srb_status_info[] = {
2742 { SRB_STATUS_PENDING, "Pending Status"},
2743 { SRB_STATUS_SUCCESS, "Success"},
2744 { SRB_STATUS_ABORTED, "Aborted Command"},
2745 { SRB_STATUS_ABORT_FAILED, "Abort Failed"},
6391a113 2746 { SRB_STATUS_ERROR, "Error Event"},
1da177e4
LT		 2747 { SRB_STATUS_BUSY, "Device Busy"},
2748 { SRB_STATUS_INVALID_REQUEST, "Invalid Request"},
2749 { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"},
2750 { SRB_STATUS_NO_DEVICE, "No Device"},
2751 { SRB_STATUS_TIMEOUT, "Timeout"},
2752 { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
2753 { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"},
2754 { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"},
2755 { SRB_STATUS_BUS_RESET, "Bus Reset"},
2756 { SRB_STATUS_PARITY_ERROR, "Parity Error"},
2757 { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
2758 { SRB_STATUS_NO_HBA, "No HBA"},
2759 { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"},
2760 { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
2761 { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
2762 { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
2763 { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"},
2764 { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"},
6391a113 2765 { SRB_STATUS_INVALID_LUN, "Invalid LUN"},
1da177e4
LT		 2766 { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
2767 { SRB_STATUS_BAD_FUNCTION, "Bad Function"},
2768 { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"},
2769 { SRB_STATUS_NOT_STARTED, "Not Started"},
2770 { SRB_STATUS_NOT_IN_USE, "Not In Use"},
8ce3eca4 2771 { SRB_STATUS_FORCE_ABORT, "Force Abort"},
1da177e4
LT		 2772 { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
2773 { 0xff, "Unknown Error"}
2774};
2775
2776char *aac_get_status_string(u32 status)
2777{
2778 int i;
2779
6391a113
TK		 2780 for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
2781 if (srb_status_info[i].status == status)
1da177e4 2782 return srb_status_info[i].str;
1da177e4
LT		 2783
2784 return "Bad Status Code";
2785}
2786
2787#endif
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