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GUI: Fix Tomato RAF theme for all builds. Compilation typo.
[tomato.git] / release / src-rt-6.x.4708 / linux / linux-2.6.36 / drivers / scsi / aacraid / aachba.c
blob7df2dd1d2c6f8c014b10ad560d49c731e6477347
1 /*
2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc.
4 *
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
7 *
8 * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
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>
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/uaccess.h>
35 #include <linux/highmem.h> /* For flush_kernel_dcache_page */
36
37 #include <scsi/scsi.h>
38 #include <scsi/scsi_cmnd.h>
39 #include <scsi/scsi_device.h>
40 #include <scsi/scsi_host.h>
41
42 #include "aacraid.h"
43
44 /* values for inqd_pdt: Peripheral device type in plain English */
45 #define INQD_PDT_DA 0x00 /* Direct-access (DISK) device */
46 #define INQD_PDT_PROC 0x03 /* Processor device */
47 #define INQD_PDT_CHNGR 0x08 /* Changer (jukebox, scsi2) */
48 #define INQD_PDT_COMM 0x09 /* Communication device (scsi2) */
49 #define INQD_PDT_NOLUN2 0x1f /* Unknown Device (scsi2) */
50 #define INQD_PDT_NOLUN 0x7f /* Logical Unit Not Present */
51
52 #define INQD_PDT_DMASK 0x1F /* Peripheral Device Type Mask */
53 #define INQD_PDT_QMASK 0xE0 /* Peripheral Device Qualifer Mask */
54
55 /*
56 * Sense codes
57 */
58
59 #define SENCODE_NO_SENSE 0x00
60 #define SENCODE_END_OF_DATA 0x00
61 #define SENCODE_BECOMING_READY 0x04
62 #define SENCODE_INIT_CMD_REQUIRED 0x04
63 #define SENCODE_PARAM_LIST_LENGTH_ERROR 0x1A
64 #define SENCODE_INVALID_COMMAND 0x20
65 #define SENCODE_LBA_OUT_OF_RANGE 0x21
66 #define SENCODE_INVALID_CDB_FIELD 0x24
67 #define SENCODE_LUN_NOT_SUPPORTED 0x25
68 #define SENCODE_INVALID_PARAM_FIELD 0x26
69 #define SENCODE_PARAM_NOT_SUPPORTED 0x26
70 #define SENCODE_PARAM_VALUE_INVALID 0x26
71 #define SENCODE_RESET_OCCURRED 0x29
72 #define SENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x3E
73 #define SENCODE_INQUIRY_DATA_CHANGED 0x3F
74 #define SENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x39
75 #define SENCODE_DIAGNOSTIC_FAILURE 0x40
76 #define SENCODE_INTERNAL_TARGET_FAILURE 0x44
77 #define SENCODE_INVALID_MESSAGE_ERROR 0x49
78 #define SENCODE_LUN_FAILED_SELF_CONFIG 0x4c
79 #define SENCODE_OVERLAPPED_COMMAND 0x4E
80
81 /*
82 * Additional sense codes
83 */
84
85 #define ASENCODE_NO_SENSE 0x00
86 #define ASENCODE_END_OF_DATA 0x05
87 #define ASENCODE_BECOMING_READY 0x01
88 #define ASENCODE_INIT_CMD_REQUIRED 0x02
89 #define ASENCODE_PARAM_LIST_LENGTH_ERROR 0x00
90 #define ASENCODE_INVALID_COMMAND 0x00
91 #define ASENCODE_LBA_OUT_OF_RANGE 0x00
92 #define ASENCODE_INVALID_CDB_FIELD 0x00
93 #define ASENCODE_LUN_NOT_SUPPORTED 0x00
94 #define ASENCODE_INVALID_PARAM_FIELD 0x00
95 #define ASENCODE_PARAM_NOT_SUPPORTED 0x01
96 #define ASENCODE_PARAM_VALUE_INVALID 0x02
97 #define ASENCODE_RESET_OCCURRED 0x00
98 #define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x00
99 #define ASENCODE_INQUIRY_DATA_CHANGED 0x03
100 #define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x00
101 #define ASENCODE_DIAGNOSTIC_FAILURE 0x80
102 #define ASENCODE_INTERNAL_TARGET_FAILURE 0x00
103 #define ASENCODE_INVALID_MESSAGE_ERROR 0x00
104 #define ASENCODE_LUN_FAILED_SELF_CONFIG 0x00
105 #define ASENCODE_OVERLAPPED_COMMAND 0x00
106
107 #define BYTE0(x) (unsigned char)(x)
108 #define BYTE1(x) (unsigned char)((x) >> 8)
109 #define BYTE2(x) (unsigned char)((x) >> 16)
110 #define BYTE3(x) (unsigned char)((x) >> 24)
111
112 /*------------------------------------------------------------------------------
113 * S T R U C T S / T Y P E D E F S
114 *----------------------------------------------------------------------------*/
115 /* SCSI inquiry data */
116 struct inquiry_data {
117 u8 inqd_pdt; /* Peripheral qualifier | Peripheral Device Type */
118 u8 inqd_dtq; /* RMB | Device Type Qualifier */
119 u8 inqd_ver; /* ISO version | ECMA version | ANSI-approved version */
120 u8 inqd_rdf; /* AENC | TrmIOP | Response data format */
121 u8 inqd_len; /* Additional length (n-4) */
122 u8 inqd_pad1[2];/* Reserved - must be zero */
123 u8 inqd_pad2; /* RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
124 u8 inqd_vid[8]; /* Vendor ID */
125 u8 inqd_pid[16];/* Product ID */
126 u8 inqd_prl[4]; /* Product Revision Level */
127 };
128
129 /*
130 * M O D U L E G L O B A L S
131 */
132
133 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap);
134 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg);
135 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg);
136 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
137 #ifdef AAC_DETAILED_STATUS_INFO
138 static char *aac_get_status_string(u32 status);
139 #endif
140
141 /*
142 * Non dasd selection is handled entirely in aachba now
143 */
144
145 static int nondasd = -1;
146 static int aac_cache = 2; /* WCE=0 to avoid performance problems */
147 static int dacmode = -1;
148 int aac_msi;
149 int aac_commit = -1;
150 int startup_timeout = 180;
151 int aif_timeout = 120;
152
153 module_param(nondasd, int, S_IRUGO|S_IWUSR);
154 MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices."
155 " 0=off, 1=on");
156 module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR);
157 MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n"
158 "\tbit 0 - Disable FUA in WRITE SCSI commands\n"
159 "\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n"
160 "\tbit 2 - Disable only if Battery is protecting Cache");
161 module_param(dacmode, int, S_IRUGO|S_IWUSR);
162 MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC."
163 " 0=off, 1=on");
164 module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
165 MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the"
166 " adapter for foreign arrays.\n"
167 "This is typically needed in systems that do not have a BIOS."
168 " 0=off, 1=on");
169 module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR);
170 MODULE_PARM_DESC(msi, "IRQ handling."
171 " 0=PIC(default), 1=MSI, 2=MSI-X(unsupported, uses MSI)");
172 module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
173 MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for"
174 " adapter to have it's kernel up and\n"
175 "running. This is typically adjusted for large systems that do not"
176 " have a BIOS.");
177 module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
178 MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for"
179 " applications to pick up AIFs before\n"
180 "deregistering them. This is typically adjusted for heavily burdened"
181 " systems.");
182
183 int numacb = -1;
184 module_param(numacb, int, S_IRUGO|S_IWUSR);
185 MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control"
186 " blocks (FIB) allocated. Valid values are 512 and down. Default is"
187 " to use suggestion from Firmware.");
188
189 int acbsize = -1;
190 module_param(acbsize, int, S_IRUGO|S_IWUSR);
191 MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB)"
192 " size. Valid values are 512, 2048, 4096 and 8192. Default is to use"
193 " suggestion from Firmware.");
194
195 int update_interval = 30 * 60;
196 module_param(update_interval, int, S_IRUGO|S_IWUSR);
197 MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync"
198 " updates issued to adapter.");
199
200 int check_interval = 24 * 60 * 60;
201 module_param(check_interval, int, S_IRUGO|S_IWUSR);
202 MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
203 " checks.");
204
205 int aac_check_reset = 1;
206 module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
207 MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the"
208 " adapter. a value of -1 forces the reset to adapters programmed to"
209 " ignore it.");
210
211 int expose_physicals = -1;
212 module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
213 MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays."
214 " -1=protect 0=off, 1=on");
215
216 int aac_reset_devices;
217 module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
218 MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
219
220 int aac_wwn = 1;
221 module_param_named(wwn, aac_wwn, int, S_IRUGO|S_IWUSR);
222 MODULE_PARM_DESC(wwn, "Select a WWN type for the arrays:\n"
223 "\t0 - Disable\n"
224 "\t1 - Array Meta Data Signature (default)\n"
225 "\t2 - Adapter Serial Number");
226
227
228 static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
229 struct fib *fibptr) {
230 struct scsi_device *device;
231
232 if (unlikely(!scsicmd || !scsicmd->scsi_done)) {
233 dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"));
234 aac_fib_complete(fibptr);
235 aac_fib_free(fibptr);
236 return 0;
237 }
238 scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
239 device = scsicmd->device;
240 if (unlikely(!device || !scsi_device_online(device))) {
241 dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
242 aac_fib_complete(fibptr);
243 aac_fib_free(fibptr);
244 return 0;
245 }
246 return 1;
247 }
248
249 /**
250 * aac_get_config_status - check the adapter configuration
251 * @common: adapter to query
252 *
253 * Query config status, and commit the configuration if needed.
254 */
255 int aac_get_config_status(struct aac_dev *dev, int commit_flag)
256 {
257 int status = 0;
258 struct fib * fibptr;
259
260 if (!(fibptr = aac_fib_alloc(dev)))
261 return -ENOMEM;
262
263 aac_fib_init(fibptr);
264 {
265 struct aac_get_config_status *dinfo;
266 dinfo = (struct aac_get_config_status *) fib_data(fibptr);
267
268 dinfo->command = cpu_to_le32(VM_ContainerConfig);
269 dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
270 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
271 }
272
273 status = aac_fib_send(ContainerCommand,
274 fibptr,
275 sizeof (struct aac_get_config_status),
276 FsaNormal,
277 1, 1,
278 NULL, NULL);
279 if (status < 0) {
280 printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
281 } else {
282 struct aac_get_config_status_resp *reply
283 = (struct aac_get_config_status_resp *) fib_data(fibptr);
284 dprintk((KERN_WARNING
285 "aac_get_config_status: response=%d status=%d action=%d\n",
286 le32_to_cpu(reply->response),
287 le32_to_cpu(reply->status),
288 le32_to_cpu(reply->data.action)));
289 if ((le32_to_cpu(reply->response) != ST_OK) ||
290 (le32_to_cpu(reply->status) != CT_OK) ||
291 (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
292 printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
293 status = -EINVAL;
294 }
295 }
296 /* Do not set XferState to zero unless receives a response from F/W */
297 if (status >= 0)
298 aac_fib_complete(fibptr);
299
300 /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
301 if (status >= 0) {
302 if ((aac_commit == 1) || commit_flag) {
303 struct aac_commit_config * dinfo;
304 aac_fib_init(fibptr);
305 dinfo = (struct aac_commit_config *) fib_data(fibptr);
306
307 dinfo->command = cpu_to_le32(VM_ContainerConfig);
308 dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
309
310 status = aac_fib_send(ContainerCommand,
311 fibptr,
312 sizeof (struct aac_commit_config),
313 FsaNormal,
314 1, 1,
315 NULL, NULL);
316 /* Do not set XferState to zero unless
317 * receives a response from F/W */
318 if (status >= 0)
319 aac_fib_complete(fibptr);
320 } else if (aac_commit == 0) {
321 printk(KERN_WARNING
322 "aac_get_config_status: Foreign device configurations are being ignored\n");
323 }
324 }
325 /* FIB should be freed only after getting the response from the F/W */
326 if (status != -ERESTARTSYS)
327 aac_fib_free(fibptr);
328 return status;
329 }
330
331 static void aac_expose_phy_device(struct scsi_cmnd *scsicmd)
332 {
333 char inq_data;
334 scsi_sg_copy_to_buffer(scsicmd, &inq_data, sizeof(inq_data));
335 if ((inq_data & 0x20) && (inq_data & 0x1f) == TYPE_DISK) {
336 inq_data &= 0xdf;
337 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
338 }
339 }
340
341 /**
342 * aac_get_containers - list containers
343 * @common: adapter to probe
344 *
345 * Make a list of all containers on this controller
346 */
347 int aac_get_containers(struct aac_dev *dev)
348 {
349 struct fsa_dev_info *fsa_dev_ptr;
350 u32 index;
351 int status = 0;
352 struct fib * fibptr;
353 struct aac_get_container_count *dinfo;
354 struct aac_get_container_count_resp *dresp;
355 int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
356
357 if (!(fibptr = aac_fib_alloc(dev)))
358 return -ENOMEM;
359
360 aac_fib_init(fibptr);
361 dinfo = (struct aac_get_container_count *) fib_data(fibptr);
362 dinfo->command = cpu_to_le32(VM_ContainerConfig);
363 dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
364
365 status = aac_fib_send(ContainerCommand,
366 fibptr,
367 sizeof (struct aac_get_container_count),
368 FsaNormal,
369 1, 1,
370 NULL, NULL);
371 if (status >= 0) {
372 dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
373 maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
374 aac_fib_complete(fibptr);
375 }
376 /* FIB should be freed only after getting the response from the F/W */
377 if (status != -ERESTARTSYS)
378 aac_fib_free(fibptr);
379
380 if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
381 maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
382 fsa_dev_ptr = kzalloc(sizeof(*fsa_dev_ptr) * maximum_num_containers,
383 GFP_KERNEL);
384 if (!fsa_dev_ptr)
385 return -ENOMEM;
386
387 dev->fsa_dev = fsa_dev_ptr;
388 dev->maximum_num_containers = maximum_num_containers;
389
390 for (index = 0; index < dev->maximum_num_containers; ) {
391 fsa_dev_ptr[index].devname[0] = '\0';
392
393 status = aac_probe_container(dev, index);
394
395 if (status < 0) {
396 printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
397 break;
398 }
399
400 /*
401 * If there are no more containers, then stop asking.
402 */
403 if (++index >= status)
404 break;
405 }
406 return status;
407 }
408
409 static void get_container_name_callback(void *context, struct fib * fibptr)
410 {
411 struct aac_get_name_resp * get_name_reply;
412 struct scsi_cmnd * scsicmd;
413
414 scsicmd = (struct scsi_cmnd *) context;
415
416 if (!aac_valid_context(scsicmd, fibptr))
417 return;
418
419 dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
420 BUG_ON(fibptr == NULL);
421
422 get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
423 /* Failure is irrelevant, using default value instead */
424 if ((le32_to_cpu(get_name_reply->status) == CT_OK)
425 && (get_name_reply->data[0] != '\0')) {
426 char *sp = get_name_reply->data;
427 sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0';
428 while (*sp == ' ')
429 ++sp;
430 if (*sp) {
431 struct inquiry_data inq;
432 char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
433 int count = sizeof(d);
434 char *dp = d;
435 do {
436 *dp++ = (*sp) ? *sp++ : ' ';
437 } while (--count > 0);
438
439 scsi_sg_copy_to_buffer(scsicmd, &inq, sizeof(inq));
440 memcpy(inq.inqd_pid, d, sizeof(d));
441 scsi_sg_copy_from_buffer(scsicmd, &inq, sizeof(inq));
442 }
443 }
444
445 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
446
447 aac_fib_complete(fibptr);
448 aac_fib_free(fibptr);
449 scsicmd->scsi_done(scsicmd);
450 }
451
452 /**
453 * aac_get_container_name - get container name, none blocking.
454 */
455 static int aac_get_container_name(struct scsi_cmnd * scsicmd)
456 {
457 int status;
458 struct aac_get_name *dinfo;
459 struct fib * cmd_fibcontext;
460 struct aac_dev * dev;
461
462 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
463
464 if (!(cmd_fibcontext = aac_fib_alloc(dev)))
465 return -ENOMEM;
466
467 aac_fib_init(cmd_fibcontext);
468 dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
469
470 dinfo->command = cpu_to_le32(VM_ContainerConfig);
471 dinfo->type = cpu_to_le32(CT_READ_NAME);
472 dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
473 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));
474
475 status = aac_fib_send(ContainerCommand,
476 cmd_fibcontext,
477 sizeof (struct aac_get_name),
478 FsaNormal,
479 0, 1,
480 (fib_callback)get_container_name_callback,
481 (void *) scsicmd);
482
483 /*
484 * Check that the command queued to the controller
485 */
486 if (status == -EINPROGRESS) {
487 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
488 return 0;
489 }
490
491 printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
492 aac_fib_complete(cmd_fibcontext);
493 aac_fib_free(cmd_fibcontext);
494 return -1;
495 }
496
497 static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
498 {
499 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
500
501 if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1))
502 return aac_scsi_cmd(scsicmd);
503
504 scsicmd->result = DID_NO_CONNECT << 16;
505 scsicmd->scsi_done(scsicmd);
506 return 0;
507 }
508
509 static void _aac_probe_container2(void * context, struct fib * fibptr)
510 {
511 struct fsa_dev_info *fsa_dev_ptr;
512 int (*callback)(struct scsi_cmnd *);
513 struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context;
514
515
516 if (!aac_valid_context(scsicmd, fibptr))
517 return;
518
519 scsicmd->SCp.Status = 0;
520 fsa_dev_ptr = fibptr->dev->fsa_dev;
521 if (fsa_dev_ptr) {
522 struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
523 fsa_dev_ptr += scmd_id(scsicmd);
524
525 if ((le32_to_cpu(dresp->status) == ST_OK) &&
526 (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
527 (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
528 fsa_dev_ptr->valid = 1;
529 /* sense_key holds the current state of the spin-up */
530 if (dresp->mnt[0].state & cpu_to_le32(FSCS_NOT_READY))
531 fsa_dev_ptr->sense_data.sense_key = NOT_READY;
532 else if (fsa_dev_ptr->sense_data.sense_key == NOT_READY)
533 fsa_dev_ptr->sense_data.sense_key = NO_SENSE;
534 fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
535 fsa_dev_ptr->size
536 = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
537 (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
538 fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0);
539 }
540 if ((fsa_dev_ptr->valid & 1) == 0)
541 fsa_dev_ptr->valid = 0;
542 scsicmd->SCp.Status = le32_to_cpu(dresp->count);
543 }
544 aac_fib_complete(fibptr);
545 aac_fib_free(fibptr);
546 callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr);
547 scsicmd->SCp.ptr = NULL;
548 (*callback)(scsicmd);
549 return;
550 }
551
552 static void _aac_probe_container1(void * context, struct fib * fibptr)
553 {
554 struct scsi_cmnd * scsicmd;
555 struct aac_mount * dresp;
556 struct aac_query_mount *dinfo;
557 int status;
558
559 dresp = (struct aac_mount *) fib_data(fibptr);
560 dresp->mnt[0].capacityhigh = 0;
561 if ((le32_to_cpu(dresp->status) != ST_OK) ||
562 (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
563 _aac_probe_container2(context, fibptr);
564 return;
565 }
566 scsicmd = (struct scsi_cmnd *) context;
567
568 if (!aac_valid_context(scsicmd, fibptr))
569 return;
570
571 aac_fib_init(fibptr);
572
573 dinfo = (struct aac_query_mount *)fib_data(fibptr);
574
575 dinfo->command = cpu_to_le32(VM_NameServe64);
576 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
577 dinfo->type = cpu_to_le32(FT_FILESYS);
578
579 status = aac_fib_send(ContainerCommand,
580 fibptr,
581 sizeof(struct aac_query_mount),
582 FsaNormal,
583 0, 1,
584 _aac_probe_container2,
585 (void *) scsicmd);
586 /*
587 * Check that the command queued to the controller
588 */
589 if (status == -EINPROGRESS)
590 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
591 else if (status < 0) {
592 /* Inherit results from VM_NameServe, if any */
593 dresp->status = cpu_to_le32(ST_OK);
594 _aac_probe_container2(context, fibptr);
595 }
596 }
597
598 static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
599 {
600 struct fib * fibptr;
601 int status = -ENOMEM;
602
603 if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
604 struct aac_query_mount *dinfo;
605
606 aac_fib_init(fibptr);
607
608 dinfo = (struct aac_query_mount *)fib_data(fibptr);
609
610 dinfo->command = cpu_to_le32(VM_NameServe);
611 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
612 dinfo->type = cpu_to_le32(FT_FILESYS);
613 scsicmd->SCp.ptr = (char *)callback;
614
615 status = aac_fib_send(ContainerCommand,
616 fibptr,
617 sizeof(struct aac_query_mount),
618 FsaNormal,
619 0, 1,
620 _aac_probe_container1,
621 (void *) scsicmd);
622 /*
623 * Check that the command queued to the controller
624 */
625 if (status == -EINPROGRESS) {
626 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
627 return 0;
628 }
629 if (status < 0) {
630 scsicmd->SCp.ptr = NULL;
631 aac_fib_complete(fibptr);
632 aac_fib_free(fibptr);
633 }
634 }
635 if (status < 0) {
636 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
637 if (fsa_dev_ptr) {
638 fsa_dev_ptr += scmd_id(scsicmd);
639 if ((fsa_dev_ptr->valid & 1) == 0) {
640 fsa_dev_ptr->valid = 0;
641 return (*callback)(scsicmd);
642 }
643 }
644 }
645 return status;
646 }
647
648 /**
649 * aac_probe_container - query a logical volume
650 * @dev: device to query
651 * @cid: container identifier
652 *
653 * Queries the controller about the given volume. The volume information
654 * is updated in the struct fsa_dev_info structure rather than returned.
655 */
656 static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
657 {
658 scsicmd->device = NULL;
659 return 0;
660 }
661
662 int aac_probe_container(struct aac_dev *dev, int cid)
663 {
664 struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL);
665 struct scsi_device *scsidev = kmalloc(sizeof(*scsidev), GFP_KERNEL);
666 int status;
667
668 if (!scsicmd || !scsidev) {
669 kfree(scsicmd);
670 kfree(scsidev);
671 return -ENOMEM;
672 }
673 scsicmd->list.next = NULL;
674 scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))aac_probe_container_callback1;
675
676 scsicmd->device = scsidev;
677 scsidev->sdev_state = 0;
678 scsidev->id = cid;
679 scsidev->host = dev->scsi_host_ptr;
680
681 if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
682 while (scsicmd->device == scsidev)
683 schedule();
684 kfree(scsidev);
685 status = scsicmd->SCp.Status;
686 kfree(scsicmd);
687 return status;
688 }
689
690 /* Local Structure to set SCSI inquiry data strings */
691 struct scsi_inq {
692 char vid[8]; /* Vendor ID */
693 char pid[16]; /* Product ID */
694 char prl[4]; /* Product Revision Level */
695 };
696
697 /**
698 * InqStrCopy - string merge
699 * @a: string to copy from
700 * @b: string to copy to
701 *
702 * Copy a String from one location to another
703 * without copying \0
704 */
705
706 static void inqstrcpy(char *a, char *b)
707 {
708
709 while (*a != (char)0)
710 *b++ = *a++;
711 }
712
713 static char *container_types[] = {
714 "None",
715 "Volume",
716 "Mirror",
717 "Stripe",
718 "RAID5",
719 "SSRW",
720 "SSRO",
721 "Morph",
722 "Legacy",
723 "RAID4",
724 "RAID10",
725 "RAID00",
726 "V-MIRRORS",
727 "PSEUDO R4",
728 "RAID50",
729 "RAID5D",
730 "RAID5D0",
731 "RAID1E",
732 "RAID6",
733 "RAID60",
734 "Unknown"
735 };
736
737 char * get_container_type(unsigned tindex)
738 {
739 if (tindex >= ARRAY_SIZE(container_types))
740 tindex = ARRAY_SIZE(container_types) - 1;
741 return container_types[tindex];
742 }
743
744 /* Function: setinqstr
745 *
746 * Arguments: [1] pointer to void [1] int
747 *
748 * Purpose: Sets SCSI inquiry data strings for vendor, product
749 * and revision level. Allows strings to be set in platform dependant
750 * files instead of in OS dependant driver source.
751 */
752
753 static void setinqstr(struct aac_dev *dev, void *data, int tindex)
754 {
755 struct scsi_inq *str;
756
757 str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
758 memset(str, ' ', sizeof(*str));
759
760 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
761 char * cp = dev->supplement_adapter_info.AdapterTypeText;
762 int c;
763 if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C'))
764 inqstrcpy("SMC", str->vid);
765 else {
766 c = sizeof(str->vid);
767 while (*cp && *cp != ' ' && --c)
768 ++cp;
769 c = *cp;
770 *cp = '\0';
771 inqstrcpy (dev->supplement_adapter_info.AdapterTypeText,
772 str->vid);
773 *cp = c;
774 while (*cp && *cp != ' ')
775 ++cp;
776 }
777 while (*cp == ' ')
778 ++cp;
779 /* last six chars reserved for vol type */
780 c = 0;
781 if (strlen(cp) > sizeof(str->pid)) {
782 c = cp[sizeof(str->pid)];
783 cp[sizeof(str->pid)] = '\0';
784 }
785 inqstrcpy (cp, str->pid);
786 if (c)
787 cp[sizeof(str->pid)] = c;
788 } else {
789 struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
790
791 inqstrcpy (mp->vname, str->vid);
792 /* last six chars reserved for vol type */
793 inqstrcpy (mp->model, str->pid);
794 }
795
796 if (tindex < ARRAY_SIZE(container_types)){
797 char *findit = str->pid;
798
799 for ( ; *findit != ' '; findit++); /* walk till we find a space */
800 /* RAID is superfluous in the context of a RAID device */
801 if (memcmp(findit-4, "RAID", 4) == 0)
802 *(findit -= 4) = ' ';
803 if (((findit - str->pid) + strlen(container_types[tindex]))
804 < (sizeof(str->pid) + sizeof(str->prl)))
805 inqstrcpy (container_types[tindex], findit + 1);
806 }
807 inqstrcpy ("V1.0", str->prl);
808 }
809
810 static void get_container_serial_callback(void *context, struct fib * fibptr)
811 {
812 struct aac_get_serial_resp * get_serial_reply;
813 struct scsi_cmnd * scsicmd;
814
815 BUG_ON(fibptr == NULL);
816
817 scsicmd = (struct scsi_cmnd *) context;
818 if (!aac_valid_context(scsicmd, fibptr))
819 return;
820
821 get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr);
822 /* Failure is irrelevant, using default value instead */
823 if (le32_to_cpu(get_serial_reply->status) == CT_OK) {
824 char sp[13];
825 /* EVPD bit set */
826 sp[0] = INQD_PDT_DA;
827 sp[1] = scsicmd->cmnd[2];
828 sp[2] = 0;
829 sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
830 le32_to_cpu(get_serial_reply->uid));
831 scsi_sg_copy_from_buffer(scsicmd, sp, sizeof(sp));
832 }
833
834 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
835
836 aac_fib_complete(fibptr);
837 aac_fib_free(fibptr);
838 scsicmd->scsi_done(scsicmd);
839 }
840
841 /**
842 * aac_get_container_serial - get container serial, none blocking.
843 */
844 static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
845 {
846 int status;
847 struct aac_get_serial *dinfo;
848 struct fib * cmd_fibcontext;
849 struct aac_dev * dev;
850
851 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
852
853 if (!(cmd_fibcontext = aac_fib_alloc(dev)))
854 return -ENOMEM;
855
856 aac_fib_init(cmd_fibcontext);
857 dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext);
858
859 dinfo->command = cpu_to_le32(VM_ContainerConfig);
860 dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID);
861 dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
862
863 status = aac_fib_send(ContainerCommand,
864 cmd_fibcontext,
865 sizeof (struct aac_get_serial),
866 FsaNormal,
867 0, 1,
868 (fib_callback) get_container_serial_callback,
869 (void *) scsicmd);
870
871 /*
872 * Check that the command queued to the controller
873 */
874 if (status == -EINPROGRESS) {
875 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
876 return 0;
877 }
878
879 printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status);
880 aac_fib_complete(cmd_fibcontext);
881 aac_fib_free(cmd_fibcontext);
882 return -1;
883 }
884
885 /* Function: setinqserial
886 *
887 * Arguments: [1] pointer to void [1] int
888 *
889 * Purpose: Sets SCSI Unit Serial number.
890 * This is a fake. We should read a proper
891 * serial number from the container. <SuSE>But
892 * without docs it's quite hard to do it :-)
893 * So this will have to do in the meantime.</SuSE>
894 */
895
896 static int setinqserial(struct aac_dev *dev, void *data, int cid)
897 {
898 /*
899 * This breaks array migration.
900 */
901 return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X",
902 le32_to_cpu(dev->adapter_info.serial[0]), cid);
903 }
904
905 static inline void set_sense(struct sense_data *sense_data, u8 sense_key,
906 u8 sense_code, u8 a_sense_code, u8 bit_pointer, u16 field_pointer)
907 {
908 u8 *sense_buf = (u8 *)sense_data;
909 /* Sense data valid, err code 70h */
910 sense_buf[0] = 0x70; /* No info field */
911 sense_buf[1] = 0; /* Segment number, always zero */
912
913 sense_buf[2] = sense_key; /* Sense key */
914
915 sense_buf[12] = sense_code; /* Additional sense code */
916 sense_buf[13] = a_sense_code; /* Additional sense code qualifier */
917
918 if (sense_key == ILLEGAL_REQUEST) {
919 sense_buf[7] = 10; /* Additional sense length */
920
921 sense_buf[15] = bit_pointer;
922 /* Illegal parameter is in the parameter block */
923 if (sense_code == SENCODE_INVALID_CDB_FIELD)
924 sense_buf[15] |= 0xc0;/* Std sense key specific field */
925 /* Illegal parameter is in the CDB block */
926 sense_buf[16] = field_pointer >> 8; /* MSB */
927 sense_buf[17] = field_pointer; /* LSB */
928 } else
929 sense_buf[7] = 6; /* Additional sense length */
930 }
931
932 static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
933 {
934 if (lba & 0xffffffff00000000LL) {
935 int cid = scmd_id(cmd);
936 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
937 cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
938 SAM_STAT_CHECK_CONDITION;
939 set_sense(&dev->fsa_dev[cid].sense_data,
940 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
941 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
942 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
943 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
944 SCSI_SENSE_BUFFERSIZE));
945 cmd->scsi_done(cmd);
946 return 1;
947 }
948 return 0;
949 }
950
951 static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
952 {
953 return 0;
954 }
955
956 static void io_callback(void *context, struct fib * fibptr);
957
958 static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
959 {
960 u16 fibsize;
961 struct aac_raw_io *readcmd;
962 aac_fib_init(fib);
963 readcmd = (struct aac_raw_io *) fib_data(fib);
964 readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
965 readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
966 readcmd->count = cpu_to_le32(count<<9);
967 readcmd->cid = cpu_to_le16(scmd_id(cmd));
968 readcmd->flags = cpu_to_le16(IO_TYPE_READ);
969 readcmd->bpTotal = 0;
970 readcmd->bpComplete = 0;
971
972 aac_build_sgraw(cmd, &readcmd->sg);
973 fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
974 BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
975 /*
976 * Now send the Fib to the adapter
977 */
978 return aac_fib_send(ContainerRawIo,
979 fib,
980 fibsize,
981 FsaNormal,
982 0, 1,
983 (fib_callback) io_callback,
984 (void *) cmd);
985 }
986
987 static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
988 {
989 u16 fibsize;
990 struct aac_read64 *readcmd;
991 aac_fib_init(fib);
992 readcmd = (struct aac_read64 *) fib_data(fib);
993 readcmd->command = cpu_to_le32(VM_CtHostRead64);
994 readcmd->cid = cpu_to_le16(scmd_id(cmd));
995 readcmd->sector_count = cpu_to_le16(count);
996 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
997 readcmd->pad = 0;
998 readcmd->flags = 0;
999
1000 aac_build_sg64(cmd, &readcmd->sg);
1001 fibsize = sizeof(struct aac_read64) +
1002 ((le32_to_cpu(readcmd->sg.count) - 1) *
1003 sizeof (struct sgentry64));
1004 BUG_ON (fibsize > (fib->dev->max_fib_size -
1005 sizeof(struct aac_fibhdr)));
1006 /*
1007 * Now send the Fib to the adapter
1008 */
1009 return aac_fib_send(ContainerCommand64,
1010 fib,
1011 fibsize,
1012 FsaNormal,
1013 0, 1,
1014 (fib_callback) io_callback,
1015 (void *) cmd);
1016 }
1017
1018 static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1019 {
1020 u16 fibsize;
1021 struct aac_read *readcmd;
1022 aac_fib_init(fib);
1023 readcmd = (struct aac_read *) fib_data(fib);
1024 readcmd->command = cpu_to_le32(VM_CtBlockRead);
1025 readcmd->cid = cpu_to_le32(scmd_id(cmd));
1026 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1027 readcmd->count = cpu_to_le32(count * 512);
1028
1029 aac_build_sg(cmd, &readcmd->sg);
1030 fibsize = sizeof(struct aac_read) +
1031 ((le32_to_cpu(readcmd->sg.count) - 1) *
1032 sizeof (struct sgentry));
1033 BUG_ON (fibsize > (fib->dev->max_fib_size -
1034 sizeof(struct aac_fibhdr)));
1035 /*
1036 * Now send the Fib to the adapter
1037 */
1038 return aac_fib_send(ContainerCommand,
1039 fib,
1040 fibsize,
1041 FsaNormal,
1042 0, 1,
1043 (fib_callback) io_callback,
1044 (void *) cmd);
1045 }
1046
1047 static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1048 {
1049 u16 fibsize;
1050 struct aac_raw_io *writecmd;
1051 aac_fib_init(fib);
1052 writecmd = (struct aac_raw_io *) fib_data(fib);
1053 writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1054 writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1055 writecmd->count = cpu_to_le32(count<<9);
1056 writecmd->cid = cpu_to_le16(scmd_id(cmd));
1057 writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
1058 (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1059 cpu_to_le16(IO_TYPE_WRITE|IO_SUREWRITE) :
1060 cpu_to_le16(IO_TYPE_WRITE);
1061 writecmd->bpTotal = 0;
1062 writecmd->bpComplete = 0;
1063
1064 aac_build_sgraw(cmd, &writecmd->sg);
1065 fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
1066 BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1067 /*
1068 * Now send the Fib to the adapter
1069 */
1070 return aac_fib_send(ContainerRawIo,
1071 fib,
1072 fibsize,
1073 FsaNormal,
1074 0, 1,
1075 (fib_callback) io_callback,
1076 (void *) cmd);
1077 }
1078
1079 static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1080 {
1081 u16 fibsize;
1082 struct aac_write64 *writecmd;
1083 aac_fib_init(fib);
1084 writecmd = (struct aac_write64 *) fib_data(fib);
1085 writecmd->command = cpu_to_le32(VM_CtHostWrite64);
1086 writecmd->cid = cpu_to_le16(scmd_id(cmd));
1087 writecmd->sector_count = cpu_to_le16(count);
1088 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1089 writecmd->pad = 0;
1090 writecmd->flags = 0;
1091
1092 aac_build_sg64(cmd, &writecmd->sg);
1093 fibsize = sizeof(struct aac_write64) +
1094 ((le32_to_cpu(writecmd->sg.count) - 1) *
1095 sizeof (struct sgentry64));
1096 BUG_ON (fibsize > (fib->dev->max_fib_size -
1097 sizeof(struct aac_fibhdr)));
1098 /*
1099 * Now send the Fib to the adapter
1100 */
1101 return aac_fib_send(ContainerCommand64,
1102 fib,
1103 fibsize,
1104 FsaNormal,
1105 0, 1,
1106 (fib_callback) io_callback,
1107 (void *) cmd);
1108 }
1109
1110 static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1111 {
1112 u16 fibsize;
1113 struct aac_write *writecmd;
1114 aac_fib_init(fib);
1115 writecmd = (struct aac_write *) fib_data(fib);
1116 writecmd->command = cpu_to_le32(VM_CtBlockWrite);
1117 writecmd->cid = cpu_to_le32(scmd_id(cmd));
1118 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1119 writecmd->count = cpu_to_le32(count * 512);
1120 writecmd->sg.count = cpu_to_le32(1);
1121 /* ->stable is not used - it did mean which type of write */
1122
1123 aac_build_sg(cmd, &writecmd->sg);
1124 fibsize = sizeof(struct aac_write) +
1125 ((le32_to_cpu(writecmd->sg.count) - 1) *
1126 sizeof (struct sgentry));
1127 BUG_ON (fibsize > (fib->dev->max_fib_size -
1128 sizeof(struct aac_fibhdr)));
1129 /*
1130 * Now send the Fib to the adapter
1131 */
1132 return aac_fib_send(ContainerCommand,
1133 fib,
1134 fibsize,
1135 FsaNormal,
1136 0, 1,
1137 (fib_callback) io_callback,
1138 (void *) cmd);
1139 }
1140
1141 static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
1142 {
1143 struct aac_srb * srbcmd;
1144 u32 flag;
1145 u32 timeout;
1146
1147 aac_fib_init(fib);
1148 switch(cmd->sc_data_direction){
1149 case DMA_TO_DEVICE:
1150 flag = SRB_DataOut;
1151 break;
1152 case DMA_BIDIRECTIONAL:
1153 flag = SRB_DataIn | SRB_DataOut;
1154 break;
1155 case DMA_FROM_DEVICE:
1156 flag = SRB_DataIn;
1157 break;
1158 case DMA_NONE:
1159 default: /* shuts up some versions of gcc */
1160 flag = SRB_NoDataXfer;
1161 break;
1162 }
1163
1164 srbcmd = (struct aac_srb*) fib_data(fib);
1165 srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1166 srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1167 srbcmd->id = cpu_to_le32(scmd_id(cmd));
1168 srbcmd->lun = cpu_to_le32(cmd->device->lun);
1169 srbcmd->flags = cpu_to_le32(flag);
1170 timeout = cmd->request->timeout/HZ;
1171 if (timeout == 0)
1172 timeout = 1;
1173 srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds
1174 srbcmd->retry_limit = 0; /* Obsolete parameter */
1175 srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1176 return srbcmd;
1177 }
1178
1179 static void aac_srb_callback(void *context, struct fib * fibptr);
1180
1181 static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1182 {
1183 u16 fibsize;
1184 struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1185
1186 aac_build_sg64(cmd, (struct sgmap64*) &srbcmd->sg);
1187 srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1188
1189 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1190 memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1191 /*
1192 * Build Scatter/Gather list
1193 */
1194 fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1195 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1196 sizeof (struct sgentry64));
1197 BUG_ON (fibsize > (fib->dev->max_fib_size -
1198 sizeof(struct aac_fibhdr)));
1199
1200 /*
1201 * Now send the Fib to the adapter
1202 */
1203 return aac_fib_send(ScsiPortCommand64, fib,
1204 fibsize, FsaNormal, 0, 1,
1205 (fib_callback) aac_srb_callback,
1206 (void *) cmd);
1207 }
1208
1209 static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1210 {
1211 u16 fibsize;
1212 struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1213
1214 aac_build_sg(cmd, (struct sgmap*)&srbcmd->sg);
1215 srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1216
1217 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1218 memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1219 /*
1220 * Build Scatter/Gather list
1221 */
1222 fibsize = sizeof (struct aac_srb) +
1223 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1224 sizeof (struct sgentry));
1225 BUG_ON (fibsize > (fib->dev->max_fib_size -
1226 sizeof(struct aac_fibhdr)));
1227
1228 /*
1229 * Now send the Fib to the adapter
1230 */
1231 return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1232 (fib_callback) aac_srb_callback, (void *) cmd);
1233 }
1234
1235 static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd)
1236 {
1237 if ((sizeof(dma_addr_t) > 4) && fib->dev->needs_dac &&
1238 (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64))
1239 return FAILED;
1240 return aac_scsi_32(fib, cmd);
1241 }
1242
1243 int aac_get_adapter_info(struct aac_dev* dev)
1244 {
1245 struct fib* fibptr;
1246 int rcode;
1247 u32 tmp;
1248 struct aac_adapter_info *info;
1249 struct aac_bus_info *command;
1250 struct aac_bus_info_response *bus_info;
1251
1252 if (!(fibptr = aac_fib_alloc(dev)))
1253 return -ENOMEM;
1254
1255 aac_fib_init(fibptr);
1256 info = (struct aac_adapter_info *) fib_data(fibptr);
1257 memset(info,0,sizeof(*info));
1258
1259 rcode = aac_fib_send(RequestAdapterInfo,
1260 fibptr,
1261 sizeof(*info),
1262 FsaNormal,
1263 -1, 1, /* First `interrupt' command uses special wait */
1264 NULL,
1265 NULL);
1266
1267 if (rcode < 0) {
1268 /* FIB should be freed only after
1269 * getting the response from the F/W */
1270 if (rcode != -ERESTARTSYS) {
1271 aac_fib_complete(fibptr);
1272 aac_fib_free(fibptr);
1273 }
1274 return rcode;
1275 }
1276 memcpy(&dev->adapter_info, info, sizeof(*info));
1277
1278 if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
1279 struct aac_supplement_adapter_info * sinfo;
1280
1281 aac_fib_init(fibptr);
1282
1283 sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr);
1284
1285 memset(sinfo,0,sizeof(*sinfo));
1286
1287 rcode = aac_fib_send(RequestSupplementAdapterInfo,
1288 fibptr,
1289 sizeof(*sinfo),
1290 FsaNormal,
1291 1, 1,
1292 NULL,
1293 NULL);
1294
1295 if (rcode >= 0)
1296 memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo));
1297 if (rcode == -ERESTARTSYS) {
1298 fibptr = aac_fib_alloc(dev);
1299 if (!fibptr)
1300 return -ENOMEM;
1301 }
1302
1303 }
1304
1305
1306 /*
1307 * GetBusInfo
1308 */
1309
1310 aac_fib_init(fibptr);
1311
1312 bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
1313
1314 memset(bus_info, 0, sizeof(*bus_info));
1315
1316 command = (struct aac_bus_info *)bus_info;
1317
1318 command->Command = cpu_to_le32(VM_Ioctl);
1319 command->ObjType = cpu_to_le32(FT_DRIVE);
1320 command->MethodId = cpu_to_le32(1);
1321 command->CtlCmd = cpu_to_le32(GetBusInfo);
1322
1323 rcode = aac_fib_send(ContainerCommand,
1324 fibptr,
1325 sizeof (*bus_info),
1326 FsaNormal,
1327 1, 1,
1328 NULL, NULL);
1329
1330 /* reasoned default */
1331 dev->maximum_num_physicals = 16;
1332 if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
1333 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
1334 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
1335 }
1336
1337 if (!dev->in_reset) {
1338 char buffer[16];
1339 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1340 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
1341 dev->name,
1342 dev->id,
1343 tmp>>24,
1344 (tmp>>16)&0xff,
1345 tmp&0xff,
1346 le32_to_cpu(dev->adapter_info.kernelbuild),
1347 (int)sizeof(dev->supplement_adapter_info.BuildDate),
1348 dev->supplement_adapter_info.BuildDate);
1349 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1350 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
1351 dev->name, dev->id,
1352 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1353 le32_to_cpu(dev->adapter_info.monitorbuild));
1354 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1355 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
1356 dev->name, dev->id,
1357 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1358 le32_to_cpu(dev->adapter_info.biosbuild));
1359 buffer[0] = '\0';
1360 if (aac_get_serial_number(
1361 shost_to_class(dev->scsi_host_ptr), buffer))
1362 printk(KERN_INFO "%s%d: serial %s",
1363 dev->name, dev->id, buffer);
1364 if (dev->supplement_adapter_info.VpdInfo.Tsid[0]) {
1365 printk(KERN_INFO "%s%d: TSID %.*s\n",
1366 dev->name, dev->id,
1367 (int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid),
1368 dev->supplement_adapter_info.VpdInfo.Tsid);
1369 }
1370 if (!aac_check_reset || ((aac_check_reset == 1) &&
1371 (dev->supplement_adapter_info.SupportedOptions2 &
1372 AAC_OPTION_IGNORE_RESET))) {
1373 printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
1374 dev->name, dev->id);
1375 }
1376 }
1377
1378 dev->cache_protected = 0;
1379 dev->jbod = ((dev->supplement_adapter_info.FeatureBits &
1380 AAC_FEATURE_JBOD) != 0);
1381 dev->nondasd_support = 0;
1382 dev->raid_scsi_mode = 0;
1383 if(dev->adapter_info.options & AAC_OPT_NONDASD)
1384 dev->nondasd_support = 1;
1385
1386 /*
1387 * If the firmware supports ROMB RAID/SCSI mode and we are currently
1388 * in RAID/SCSI mode, set the flag. For now if in this mode we will
1389 * force nondasd support on. If we decide to allow the non-dasd flag
1390 * additional changes changes will have to be made to support
1391 * RAID/SCSI. the function aac_scsi_cmd in this module will have to be
1392 * changed to support the new dev->raid_scsi_mode flag instead of
1393 * leaching off of the dev->nondasd_support flag. Also in linit.c the
1394 * function aac_detect will have to be modified where it sets up the
1395 * max number of channels based on the aac->nondasd_support flag only.
1396 */
1397 if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
1398 (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
1399 dev->nondasd_support = 1;
1400 dev->raid_scsi_mode = 1;
1401 }
1402 if (dev->raid_scsi_mode != 0)
1403 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
1404 dev->name, dev->id);
1405
1406 if (nondasd != -1)
1407 dev->nondasd_support = (nondasd!=0);
1408 if (dev->nondasd_support && !dev->in_reset)
1409 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
1410
1411 if (dma_get_required_mask(&dev->pdev->dev) > DMA_BIT_MASK(32))
1412 dev->needs_dac = 1;
1413 dev->dac_support = 0;
1414 if ((sizeof(dma_addr_t) > 4) && dev->needs_dac &&
1415 (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) {
1416 if (!dev->in_reset)
1417 printk(KERN_INFO "%s%d: 64bit support enabled.\n",
1418 dev->name, dev->id);
1419 dev->dac_support = 1;
1420 }
1421
1422 if(dacmode != -1) {
1423 dev->dac_support = (dacmode!=0);
1424 }
1425
1426 /* avoid problems with AAC_QUIRK_SCSI_32 controllers */
1427 if (dev->dac_support && (aac_get_driver_ident(dev->cardtype)->quirks
1428 & AAC_QUIRK_SCSI_32)) {
1429 dev->nondasd_support = 0;
1430 dev->jbod = 0;
1431 expose_physicals = 0;
1432 }
1433
1434 if(dev->dac_support != 0) {
1435 if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(64)) &&
1436 !pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(64))) {
1437 if (!dev->in_reset)
1438 printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
1439 dev->name, dev->id);
1440 } else if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(32)) &&
1441 !pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(32))) {
1442 printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
1443 dev->name, dev->id);
1444 dev->dac_support = 0;
1445 } else {
1446 printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
1447 dev->name, dev->id);
1448 rcode = -ENOMEM;
1449 }
1450 }
1451 /*
1452 * Deal with configuring for the individualized limits of each packet
1453 * interface.
1454 */
1455 dev->a_ops.adapter_scsi = (dev->dac_support)
1456 ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32)
1457 ? aac_scsi_32_64
1458 : aac_scsi_64)
1459 : aac_scsi_32;
1460 if (dev->raw_io_interface) {
1461 dev->a_ops.adapter_bounds = (dev->raw_io_64)
1462 ? aac_bounds_64
1463 : aac_bounds_32;
1464 dev->a_ops.adapter_read = aac_read_raw_io;
1465 dev->a_ops.adapter_write = aac_write_raw_io;
1466 } else {
1467 dev->a_ops.adapter_bounds = aac_bounds_32;
1468 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
1469 sizeof(struct aac_fibhdr) -
1470 sizeof(struct aac_write) + sizeof(struct sgentry)) /
1471 sizeof(struct sgentry);
1472 if (dev->dac_support) {
1473 dev->a_ops.adapter_read = aac_read_block64;
1474 dev->a_ops.adapter_write = aac_write_block64;
1475 /*
1476 * 38 scatter gather elements
1477 */
1478 dev->scsi_host_ptr->sg_tablesize =
1479 (dev->max_fib_size -
1480 sizeof(struct aac_fibhdr) -
1481 sizeof(struct aac_write64) +
1482 sizeof(struct sgentry64)) /
1483 sizeof(struct sgentry64);
1484 } else {
1485 dev->a_ops.adapter_read = aac_read_block;
1486 dev->a_ops.adapter_write = aac_write_block;
1487 }
1488 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
1489 if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
1490 /*
1491 * Worst case size that could cause sg overflow when
1492 * we break up SG elements that are larger than 64KB.
1493 * Would be nice if we could tell the SCSI layer what
1494 * the maximum SG element size can be. Worst case is
1495 * (sg_tablesize-1) 4KB elements with one 64KB
1496 * element.
1497 * 32bit -> 468 or 238KB 64bit -> 424 or 212KB
1498 */
1499 dev->scsi_host_ptr->max_sectors =
1500 (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
1501 }
1502 }
1503 /* FIB should be freed only after getting the response from the F/W */
1504 if (rcode != -ERESTARTSYS) {
1505 aac_fib_complete(fibptr);
1506 aac_fib_free(fibptr);
1507 }
1508
1509 return rcode;
1510 }
1511
1512
1513 static void io_callback(void *context, struct fib * fibptr)
1514 {
1515 struct aac_dev *dev;
1516 struct aac_read_reply *readreply;
1517 struct scsi_cmnd *scsicmd;
1518 u32 cid;
1519
1520 scsicmd = (struct scsi_cmnd *) context;
1521
1522 if (!aac_valid_context(scsicmd, fibptr))
1523 return;
1524
1525 dev = fibptr->dev;
1526 cid = scmd_id(scsicmd);
1527
1528 if (nblank(dprintk(x))) {
1529 u64 lba;
1530 switch (scsicmd->cmnd[0]) {
1531 case WRITE_6:
1532 case READ_6:
1533 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1534 (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1535 break;
1536 case WRITE_16:
1537 case READ_16:
1538 lba = ((u64)scsicmd->cmnd[2] << 56) |
1539 ((u64)scsicmd->cmnd[3] << 48) |
1540 ((u64)scsicmd->cmnd[4] << 40) |
1541 ((u64)scsicmd->cmnd[5] << 32) |
1542 ((u64)scsicmd->cmnd[6] << 24) |
1543 (scsicmd->cmnd[7] << 16) |
1544 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1545 break;
1546 case WRITE_12:
1547 case READ_12:
1548 lba = ((u64)scsicmd->cmnd[2] << 24) |
1549 (scsicmd->cmnd[3] << 16) |
1550 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1551 break;
1552 default:
1553 lba = ((u64)scsicmd->cmnd[2] << 24) |
1554 (scsicmd->cmnd[3] << 16) |
1555 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1556 break;
1557 }
1558 printk(KERN_DEBUG
1559 "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
1560 smp_processor_id(), (unsigned long long)lba, jiffies);
1561 }
1562
1563 BUG_ON(fibptr == NULL);
1564
1565 scsi_dma_unmap(scsicmd);
1566
1567 readreply = (struct aac_read_reply *)fib_data(fibptr);
1568 switch (le32_to_cpu(readreply->status)) {
1569 case ST_OK:
1570 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1571 SAM_STAT_GOOD;
1572 dev->fsa_dev[cid].sense_data.sense_key = NO_SENSE;
1573 break;
1574 case ST_NOT_READY:
1575 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1576 SAM_STAT_CHECK_CONDITION;
1577 set_sense(&dev->fsa_dev[cid].sense_data, NOT_READY,
1578 SENCODE_BECOMING_READY, ASENCODE_BECOMING_READY, 0, 0);
1579 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1580 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1581 SCSI_SENSE_BUFFERSIZE));
1582 break;
1583 default:
1584 #ifdef AAC_DETAILED_STATUS_INFO
1585 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
1586 le32_to_cpu(readreply->status));
1587 #endif
1588 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1589 SAM_STAT_CHECK_CONDITION;
1590 set_sense(&dev->fsa_dev[cid].sense_data,
1591 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1592 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1593 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1594 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1595 SCSI_SENSE_BUFFERSIZE));
1596 break;
1597 }
1598 aac_fib_complete(fibptr);
1599 aac_fib_free(fibptr);
1600
1601 scsicmd->scsi_done(scsicmd);
1602 }
1603
1604 static int aac_read(struct scsi_cmnd * scsicmd)
1605 {
1606 u64 lba;
1607 u32 count;
1608 int status;
1609 struct aac_dev *dev;
1610 struct fib * cmd_fibcontext;
1611 int cid;
1612
1613 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1614 /*
1615 * Get block address and transfer length
1616 */
1617 switch (scsicmd->cmnd[0]) {
1618 case READ_6:
1619 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
1620
1621 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1622 (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1623 count = scsicmd->cmnd[4];
1624
1625 if (count == 0)
1626 count = 256;
1627 break;
1628 case READ_16:
1629 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
1630
1631 lba = ((u64)scsicmd->cmnd[2] << 56) |
1632 ((u64)scsicmd->cmnd[3] << 48) |
1633 ((u64)scsicmd->cmnd[4] << 40) |
1634 ((u64)scsicmd->cmnd[5] << 32) |
1635 ((u64)scsicmd->cmnd[6] << 24) |
1636 (scsicmd->cmnd[7] << 16) |
1637 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1638 count = (scsicmd->cmnd[10] << 24) |
1639 (scsicmd->cmnd[11] << 16) |
1640 (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1641 break;
1642 case READ_12:
1643 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
1644
1645 lba = ((u64)scsicmd->cmnd[2] << 24) |
1646 (scsicmd->cmnd[3] << 16) |
1647 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1648 count = (scsicmd->cmnd[6] << 24) |
1649 (scsicmd->cmnd[7] << 16) |
1650 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1651 break;
1652 default:
1653 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
1654
1655 lba = ((u64)scsicmd->cmnd[2] << 24) |
1656 (scsicmd->cmnd[3] << 16) |
1657 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1658 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1659 break;
1660 }
1661
1662 if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
1663 cid = scmd_id(scsicmd);
1664 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
1665 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1666 SAM_STAT_CHECK_CONDITION;
1667 set_sense(&dev->fsa_dev[cid].sense_data,
1668 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1669 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1670 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1671 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1672 SCSI_SENSE_BUFFERSIZE));
1673 scsicmd->scsi_done(scsicmd);
1674 return 1;
1675 }
1676
1677 dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
1678 smp_processor_id(), (unsigned long long)lba, jiffies));
1679 if (aac_adapter_bounds(dev,scsicmd,lba))
1680 return 0;
1681 /*
1682 * Alocate and initialize a Fib
1683 */
1684 if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1685 printk(KERN_WARNING "aac_read: fib allocation failed\n");
1686 return -1;
1687 }
1688
1689 status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
1690
1691 /*
1692 * Check that the command queued to the controller
1693 */
1694 if (status == -EINPROGRESS) {
1695 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1696 return 0;
1697 }
1698
1699 printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
1700 /*
1701 * For some reason, the Fib didn't queue, return QUEUE_FULL
1702 */
1703 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1704 scsicmd->scsi_done(scsicmd);
1705 aac_fib_complete(cmd_fibcontext);
1706 aac_fib_free(cmd_fibcontext);
1707 return 0;
1708 }
1709
1710 static int aac_write(struct scsi_cmnd * scsicmd)
1711 {
1712 u64 lba;
1713 u32 count;
1714 int fua;
1715 int status;
1716 struct aac_dev *dev;
1717 struct fib * cmd_fibcontext;
1718 int cid;
1719
1720 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1721 /*
1722 * Get block address and transfer length
1723 */
1724 if (scsicmd->cmnd[0] == WRITE_6) /* 6 byte command */
1725 {
1726 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1727 count = scsicmd->cmnd[4];
1728 if (count == 0)
1729 count = 256;
1730 fua = 0;
1731 } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
1732 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
1733
1734 lba = ((u64)scsicmd->cmnd[2] << 56) |
1735 ((u64)scsicmd->cmnd[3] << 48) |
1736 ((u64)scsicmd->cmnd[4] << 40) |
1737 ((u64)scsicmd->cmnd[5] << 32) |
1738 ((u64)scsicmd->cmnd[6] << 24) |
1739 (scsicmd->cmnd[7] << 16) |
1740 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1741 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
1742 (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1743 fua = scsicmd->cmnd[1] & 0x8;
1744 } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
1745 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
1746
1747 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
1748 | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1749 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
1750 | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1751 fua = scsicmd->cmnd[1] & 0x8;
1752 } else {
1753 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
1754 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1755 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1756 fua = scsicmd->cmnd[1] & 0x8;
1757 }
1758
1759 if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
1760 cid = scmd_id(scsicmd);
1761 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
1762 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1763 SAM_STAT_CHECK_CONDITION;
1764 set_sense(&dev->fsa_dev[cid].sense_data,
1765 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1766 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1767 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1768 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1769 SCSI_SENSE_BUFFERSIZE));
1770 scsicmd->scsi_done(scsicmd);
1771 return 1;
1772 }
1773
1774 dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
1775 smp_processor_id(), (unsigned long long)lba, jiffies));
1776 if (aac_adapter_bounds(dev,scsicmd,lba))
1777 return 0;
1778 /*
1779 * Allocate and initialize a Fib then setup a BlockWrite command
1780 */
1781 if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1782 /* FIB temporarily unavailable,not catastrophic failure */
1783
1784 /* scsicmd->result = DID_ERROR << 16;
1785 * scsicmd->scsi_done(scsicmd);
1786 * return 0;
1787 */
1788 printk(KERN_WARNING "aac_write: fib allocation failed\n");
1789 return -1;
1790 }
1791
1792 status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
1793
1794 /*
1795 * Check that the command queued to the controller
1796 */
1797 if (status == -EINPROGRESS) {
1798 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1799 return 0;
1800 }
1801
1802 printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
1803 /*
1804 * For some reason, the Fib didn't queue, return QUEUE_FULL
1805 */
1806 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1807 scsicmd->scsi_done(scsicmd);
1808
1809 aac_fib_complete(cmd_fibcontext);
1810 aac_fib_free(cmd_fibcontext);
1811 return 0;
1812 }
1813
1814 static void synchronize_callback(void *context, struct fib *fibptr)
1815 {
1816 struct aac_synchronize_reply *synchronizereply;
1817 struct scsi_cmnd *cmd;
1818
1819 cmd = context;
1820
1821 if (!aac_valid_context(cmd, fibptr))
1822 return;
1823
1824 dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
1825 smp_processor_id(), jiffies));
1826 BUG_ON(fibptr == NULL);
1827
1828
1829 synchronizereply = fib_data(fibptr);
1830 if (le32_to_cpu(synchronizereply->status) == CT_OK)
1831 cmd->result = DID_OK << 16 |
1832 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1833 else {
1834 struct scsi_device *sdev = cmd->device;
1835 struct aac_dev *dev = fibptr->dev;
1836 u32 cid = sdev_id(sdev);
1837 printk(KERN_WARNING
1838 "synchronize_callback: synchronize failed, status = %d\n",
1839 le32_to_cpu(synchronizereply->status));
1840 cmd->result = DID_OK << 16 |
1841 COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1842 set_sense(&dev->fsa_dev[cid].sense_data,
1843 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1844 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1845 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1846 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1847 SCSI_SENSE_BUFFERSIZE));
1848 }
1849
1850 aac_fib_complete(fibptr);
1851 aac_fib_free(fibptr);
1852 cmd->scsi_done(cmd);
1853 }
1854
1855 static int aac_synchronize(struct scsi_cmnd *scsicmd)
1856 {
1857 int status;
1858 struct fib *cmd_fibcontext;
1859 struct aac_synchronize *synchronizecmd;
1860 struct scsi_cmnd *cmd;
1861 struct scsi_device *sdev = scsicmd->device;
1862 int active = 0;
1863 struct aac_dev *aac;
1864 u64 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) |
1865 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1866 u32 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1867 unsigned long flags;
1868
1869 /*
1870 * Wait for all outstanding queued commands to complete to this
1871 * specific target (block).
1872 */
1873 spin_lock_irqsave(&sdev->list_lock, flags);
1874 list_for_each_entry(cmd, &sdev->cmd_list, list)
1875 if (cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
1876 u64 cmnd_lba;
1877 u32 cmnd_count;
1878
1879 if (cmd->cmnd[0] == WRITE_6) {
1880 cmnd_lba = ((cmd->cmnd[1] & 0x1F) << 16) |
1881 (cmd->cmnd[2] << 8) |
1882 cmd->cmnd[3];
1883 cmnd_count = cmd->cmnd[4];
1884 if (cmnd_count == 0)
1885 cmnd_count = 256;
1886 } else if (cmd->cmnd[0] == WRITE_16) {
1887 cmnd_lba = ((u64)cmd->cmnd[2] << 56) |
1888 ((u64)cmd->cmnd[3] << 48) |
1889 ((u64)cmd->cmnd[4] << 40) |
1890 ((u64)cmd->cmnd[5] << 32) |
1891 ((u64)cmd->cmnd[6] << 24) |
1892 (cmd->cmnd[7] << 16) |
1893 (cmd->cmnd[8] << 8) |
1894 cmd->cmnd[9];
1895 cmnd_count = (cmd->cmnd[10] << 24) |
1896 (cmd->cmnd[11] << 16) |
1897 (cmd->cmnd[12] << 8) |
1898 cmd->cmnd[13];
1899 } else if (cmd->cmnd[0] == WRITE_12) {
1900 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
1901 (cmd->cmnd[3] << 16) |
1902 (cmd->cmnd[4] << 8) |
1903 cmd->cmnd[5];
1904 cmnd_count = (cmd->cmnd[6] << 24) |
1905 (cmd->cmnd[7] << 16) |
1906 (cmd->cmnd[8] << 8) |
1907 cmd->cmnd[9];
1908 } else if (cmd->cmnd[0] == WRITE_10) {
1909 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
1910 (cmd->cmnd[3] << 16) |
1911 (cmd->cmnd[4] << 8) |
1912 cmd->cmnd[5];
1913 cmnd_count = (cmd->cmnd[7] << 8) |
1914 cmd->cmnd[8];
1915 } else
1916 continue;
1917 if (((cmnd_lba + cmnd_count) < lba) ||
1918 (count && ((lba + count) < cmnd_lba)))
1919 continue;
1920 ++active;
1921 break;
1922 }
1923
1924 spin_unlock_irqrestore(&sdev->list_lock, flags);
1925
1926 /*
1927 * Yield the processor (requeue for later)
1928 */
1929 if (active)
1930 return SCSI_MLQUEUE_DEVICE_BUSY;
1931
1932 aac = (struct aac_dev *)sdev->host->hostdata;
1933 if (aac->in_reset)
1934 return SCSI_MLQUEUE_HOST_BUSY;
1935
1936 /*
1937 * Allocate and initialize a Fib
1938 */
1939 if (!(cmd_fibcontext = aac_fib_alloc(aac)))
1940 return SCSI_MLQUEUE_HOST_BUSY;
1941
1942 aac_fib_init(cmd_fibcontext);
1943
1944 synchronizecmd = fib_data(cmd_fibcontext);
1945 synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
1946 synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
1947 synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
1948 synchronizecmd->count =
1949 cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
1950
1951 /*
1952 * Now send the Fib to the adapter
1953 */
1954 status = aac_fib_send(ContainerCommand,
1955 cmd_fibcontext,
1956 sizeof(struct aac_synchronize),
1957 FsaNormal,
1958 0, 1,
1959 (fib_callback)synchronize_callback,
1960 (void *)scsicmd);
1961
1962 /*
1963 * Check that the command queued to the controller
1964 */
1965 if (status == -EINPROGRESS) {
1966 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1967 return 0;
1968 }
1969
1970 printk(KERN_WARNING
1971 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
1972 aac_fib_complete(cmd_fibcontext);
1973 aac_fib_free(cmd_fibcontext);
1974 return SCSI_MLQUEUE_HOST_BUSY;
1975 }
1976
1977 static void aac_start_stop_callback(void *context, struct fib *fibptr)
1978 {
1979 struct scsi_cmnd *scsicmd = context;
1980
1981 if (!aac_valid_context(scsicmd, fibptr))
1982 return;
1983
1984 BUG_ON(fibptr == NULL);
1985
1986 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1987
1988 aac_fib_complete(fibptr);
1989 aac_fib_free(fibptr);
1990 scsicmd->scsi_done(scsicmd);
1991 }
1992
1993 static int aac_start_stop(struct scsi_cmnd *scsicmd)
1994 {
1995 int status;
1996 struct fib *cmd_fibcontext;
1997 struct aac_power_management *pmcmd;
1998 struct scsi_device *sdev = scsicmd->device;
1999 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
2000
2001 if (!(aac->supplement_adapter_info.SupportedOptions2 &
2002 AAC_OPTION_POWER_MANAGEMENT)) {
2003 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2004 SAM_STAT_GOOD;
2005 scsicmd->scsi_done(scsicmd);
2006 return 0;
2007 }
2008
2009 if (aac->in_reset)
2010 return SCSI_MLQUEUE_HOST_BUSY;
2011
2012 /*
2013 * Allocate and initialize a Fib
2014 */
2015 cmd_fibcontext = aac_fib_alloc(aac);
2016 if (!cmd_fibcontext)
2017 return SCSI_MLQUEUE_HOST_BUSY;
2018
2019 aac_fib_init(cmd_fibcontext);
2020
2021 pmcmd = fib_data(cmd_fibcontext);
2022 pmcmd->command = cpu_to_le32(VM_ContainerConfig);
2023 pmcmd->type = cpu_to_le32(CT_POWER_MANAGEMENT);
2024 /* Eject bit ignored, not relevant */
2025 pmcmd->sub = (scsicmd->cmnd[4] & 1) ?
2026 cpu_to_le32(CT_PM_START_UNIT) : cpu_to_le32(CT_PM_STOP_UNIT);
2027 pmcmd->cid = cpu_to_le32(sdev_id(sdev));
2028 pmcmd->parm = (scsicmd->cmnd[1] & 1) ?
2029 cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0;
2030
2031 /*
2032 * Now send the Fib to the adapter
2033 */
2034 status = aac_fib_send(ContainerCommand,
2035 cmd_fibcontext,
2036 sizeof(struct aac_power_management),
2037 FsaNormal,
2038 0, 1,
2039 (fib_callback)aac_start_stop_callback,
2040 (void *)scsicmd);
2041
2042 /*
2043 * Check that the command queued to the controller
2044 */
2045 if (status == -EINPROGRESS) {
2046 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2047 return 0;
2048 }
2049
2050 aac_fib_complete(cmd_fibcontext);
2051 aac_fib_free(cmd_fibcontext);
2052 return SCSI_MLQUEUE_HOST_BUSY;
2053 }
2054
2055 /**
2056 * aac_scsi_cmd() - Process SCSI command
2057 * @scsicmd: SCSI command block
2058 *
2059 * Emulate a SCSI command and queue the required request for the
2060 * aacraid firmware.
2061 */
2062
2063 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
2064 {
2065 u32 cid;
2066 struct Scsi_Host *host = scsicmd->device->host;
2067 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
2068 struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
2069
2070 if (fsa_dev_ptr == NULL)
2071 return -1;
2072 /*
2073 * If the bus, id or lun is out of range, return fail
2074 * Test does not apply to ID 16, the pseudo id for the controller
2075 * itself.
2076 */
2077 cid = scmd_id(scsicmd);
2078 if (cid != host->this_id) {
2079 if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
2080 if((cid >= dev->maximum_num_containers) ||
2081 (scsicmd->device->lun != 0)) {
2082 scsicmd->result = DID_NO_CONNECT << 16;
2083 scsicmd->scsi_done(scsicmd);
2084 return 0;
2085 }
2086
2087 /*
2088 * If the target container doesn't exist, it may have
2089 * been newly created
2090 */
2091 if (((fsa_dev_ptr[cid].valid & 1) == 0) ||
2092 (fsa_dev_ptr[cid].sense_data.sense_key ==
2093 NOT_READY)) {
2094 switch (scsicmd->cmnd[0]) {
2095 case SERVICE_ACTION_IN:
2096 if (!(dev->raw_io_interface) ||
2097 !(dev->raw_io_64) ||
2098 ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2099 break;
2100 case INQUIRY:
2101 case READ_CAPACITY:
2102 case TEST_UNIT_READY:
2103 if (dev->in_reset)
2104 return -1;
2105 return _aac_probe_container(scsicmd,
2106 aac_probe_container_callback2);
2107 default:
2108 break;
2109 }
2110 }
2111 } else { /* check for physical non-dasd devices */
2112 if (dev->nondasd_support || expose_physicals ||
2113 dev->jbod) {
2114 if (dev->in_reset)
2115 return -1;
2116 return aac_send_srb_fib(scsicmd);
2117 } else {
2118 scsicmd->result = DID_NO_CONNECT << 16;
2119 scsicmd->scsi_done(scsicmd);
2120 return 0;
2121 }
2122 }
2123 }
2124 /*
2125 * else Command for the controller itself
2126 */
2127 else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */
2128 (scsicmd->cmnd[0] != TEST_UNIT_READY))
2129 {
2130 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
2131 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2132 set_sense(&dev->fsa_dev[cid].sense_data,
2133 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2134 ASENCODE_INVALID_COMMAND, 0, 0);
2135 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2136 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2137 SCSI_SENSE_BUFFERSIZE));
2138 scsicmd->scsi_done(scsicmd);
2139 return 0;
2140 }
2141
2142
2143 /* Handle commands here that don't really require going out to the adapter */
2144 switch (scsicmd->cmnd[0]) {
2145 case INQUIRY:
2146 {
2147 struct inquiry_data inq_data;
2148
2149 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
2150 memset(&inq_data, 0, sizeof (struct inquiry_data));
2151
2152 if ((scsicmd->cmnd[1] & 0x1) && aac_wwn) {
2153 char *arr = (char *)&inq_data;
2154
2155 /* EVPD bit set */
2156 arr[0] = (scmd_id(scsicmd) == host->this_id) ?
2157 INQD_PDT_PROC : INQD_PDT_DA;
2158 if (scsicmd->cmnd[2] == 0) {
2159 /* supported vital product data pages */
2160 arr[3] = 2;
2161 arr[4] = 0x0;
2162 arr[5] = 0x80;
2163 arr[1] = scsicmd->cmnd[2];
2164 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2165 sizeof(inq_data));
2166 scsicmd->result = DID_OK << 16 |
2167 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2168 } else if (scsicmd->cmnd[2] == 0x80) {
2169 /* unit serial number page */
2170 arr[3] = setinqserial(dev, &arr[4],
2171 scmd_id(scsicmd));
2172 arr[1] = scsicmd->cmnd[2];
2173 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2174 sizeof(inq_data));
2175 if (aac_wwn != 2)
2176 return aac_get_container_serial(
2177 scsicmd);
2178 /* SLES 10 SP1 special */
2179 scsicmd->result = DID_OK << 16 |
2180 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2181 } else {
2182 /* vpd page not implemented */
2183 scsicmd->result = DID_OK << 16 |
2184 COMMAND_COMPLETE << 8 |
2185 SAM_STAT_CHECK_CONDITION;
2186 set_sense(&dev->fsa_dev[cid].sense_data,
2187 ILLEGAL_REQUEST, SENCODE_INVALID_CDB_FIELD,
2188 ASENCODE_NO_SENSE, 7, 2);
2189 memcpy(scsicmd->sense_buffer,
2190 &dev->fsa_dev[cid].sense_data,
2191 min_t(size_t,
2192 sizeof(dev->fsa_dev[cid].sense_data),
2193 SCSI_SENSE_BUFFERSIZE));
2194 }
2195 scsicmd->scsi_done(scsicmd);
2196 return 0;
2197 }
2198 inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */
2199 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 */
2200 inq_data.inqd_len = 31;
2201 /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
2202 inq_data.inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */
2203 /*
2204 * Set the Vendor, Product, and Revision Level
2205 * see: <vendor>.c i.e. aac.c
2206 */
2207 if (cid == host->this_id) {
2208 setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
2209 inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */
2210 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2211 sizeof(inq_data));
2212 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2213 scsicmd->scsi_done(scsicmd);
2214 return 0;
2215 }
2216 if (dev->in_reset)
2217 return -1;
2218 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
2219 inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */
2220 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
2221 return aac_get_container_name(scsicmd);
2222 }
2223 case SERVICE_ACTION_IN:
2224 if (!(dev->raw_io_interface) ||
2225 !(dev->raw_io_64) ||
2226 ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2227 break;
2228 {
2229 u64 capacity;
2230 char cp[13];
2231 unsigned int alloc_len;
2232
2233 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
2234 capacity = fsa_dev_ptr[cid].size - 1;
2235 cp[0] = (capacity >> 56) & 0xff;
2236 cp[1] = (capacity >> 48) & 0xff;
2237 cp[2] = (capacity >> 40) & 0xff;
2238 cp[3] = (capacity >> 32) & 0xff;
2239 cp[4] = (capacity >> 24) & 0xff;
2240 cp[5] = (capacity >> 16) & 0xff;
2241 cp[6] = (capacity >> 8) & 0xff;
2242 cp[7] = (capacity >> 0) & 0xff;
2243 cp[8] = 0;
2244 cp[9] = 0;
2245 cp[10] = 2;
2246 cp[11] = 0;
2247 cp[12] = 0;
2248
2249 alloc_len = ((scsicmd->cmnd[10] << 24)
2250 + (scsicmd->cmnd[11] << 16)
2251 + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);
2252
2253 alloc_len = min_t(size_t, alloc_len, sizeof(cp));
2254 scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len);
2255 if (alloc_len < scsi_bufflen(scsicmd))
2256 scsi_set_resid(scsicmd,
2257 scsi_bufflen(scsicmd) - alloc_len);
2258
2259 /* Do not cache partition table for arrays */
2260 scsicmd->device->removable = 1;
2261
2262 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2263 scsicmd->scsi_done(scsicmd);
2264
2265 return 0;
2266 }
2267
2268 case READ_CAPACITY:
2269 {
2270 u32 capacity;
2271 char cp[8];
2272
2273 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
2274 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
2275 capacity = fsa_dev_ptr[cid].size - 1;
2276 else
2277 capacity = (u32)-1;
2278
2279 cp[0] = (capacity >> 24) & 0xff;
2280 cp[1] = (capacity >> 16) & 0xff;
2281 cp[2] = (capacity >> 8) & 0xff;
2282 cp[3] = (capacity >> 0) & 0xff;
2283 cp[4] = 0;
2284 cp[5] = 0;
2285 cp[6] = 2;
2286 cp[7] = 0;
2287 scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
2288 /* Do not cache partition table for arrays */
2289 scsicmd->device->removable = 1;
2290 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2291 SAM_STAT_GOOD;
2292 scsicmd->scsi_done(scsicmd);
2293
2294 return 0;
2295 }
2296
2297 case MODE_SENSE:
2298 {
2299 char mode_buf[7];
2300 int mode_buf_length = 4;
2301
2302 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
2303 mode_buf[0] = 3; /* Mode data length */
2304 mode_buf[1] = 0; /* Medium type - default */
2305 mode_buf[2] = 0; /* Device-specific param,
2306 bit 8: 0/1 = write enabled/protected
2307 bit 4: 0/1 = FUA enabled */
2308 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
2309 mode_buf[2] = 0x10;
2310 mode_buf[3] = 0; /* Block descriptor length */
2311 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
2312 ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
2313 mode_buf[0] = 6;
2314 mode_buf[4] = 8;
2315 mode_buf[5] = 1;
2316 mode_buf[6] = ((aac_cache & 6) == 2)
2317 ? 0 : 0x04; /* WCE */
2318 mode_buf_length = 7;
2319 if (mode_buf_length > scsicmd->cmnd[4])
2320 mode_buf_length = scsicmd->cmnd[4];
2321 }
2322 scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length);
2323 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2324 scsicmd->scsi_done(scsicmd);
2325
2326 return 0;
2327 }
2328 case MODE_SENSE_10:
2329 {
2330 char mode_buf[11];
2331 int mode_buf_length = 8;
2332
2333 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
2334 mode_buf[0] = 0; /* Mode data length (MSB) */
2335 mode_buf[1] = 6; /* Mode data length (LSB) */
2336 mode_buf[2] = 0; /* Medium type - default */
2337 mode_buf[3] = 0; /* Device-specific param,
2338 bit 8: 0/1 = write enabled/protected
2339 bit 4: 0/1 = FUA enabled */
2340 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
2341 mode_buf[3] = 0x10;
2342 mode_buf[4] = 0; /* reserved */
2343 mode_buf[5] = 0; /* reserved */
2344 mode_buf[6] = 0; /* Block descriptor length (MSB) */
2345 mode_buf[7] = 0; /* Block descriptor length (LSB) */
2346 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
2347 ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
2348 mode_buf[1] = 9;
2349 mode_buf[8] = 8;
2350 mode_buf[9] = 1;
2351 mode_buf[10] = ((aac_cache & 6) == 2)
2352 ? 0 : 0x04; /* WCE */
2353 mode_buf_length = 11;
2354 if (mode_buf_length > scsicmd->cmnd[8])
2355 mode_buf_length = scsicmd->cmnd[8];
2356 }
2357 scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length);
2358
2359 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2360 scsicmd->scsi_done(scsicmd);
2361
2362 return 0;
2363 }
2364 case REQUEST_SENSE:
2365 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
2366 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
2367 memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
2368 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2369 scsicmd->scsi_done(scsicmd);
2370 return 0;
2371
2372 case ALLOW_MEDIUM_REMOVAL:
2373 dprintk((KERN_DEBUG "LOCK command.\n"));
2374 if (scsicmd->cmnd[4])
2375 fsa_dev_ptr[cid].locked = 1;
2376 else
2377 fsa_dev_ptr[cid].locked = 0;
2378
2379 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2380 scsicmd->scsi_done(scsicmd);
2381 return 0;
2382 /*
2383 * These commands are all No-Ops
2384 */
2385 case TEST_UNIT_READY:
2386 if (fsa_dev_ptr[cid].sense_data.sense_key == NOT_READY) {
2387 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2388 SAM_STAT_CHECK_CONDITION;
2389 set_sense(&dev->fsa_dev[cid].sense_data,
2390 NOT_READY, SENCODE_BECOMING_READY,
2391 ASENCODE_BECOMING_READY, 0, 0);
2392 memcpy(scsicmd->sense_buffer,
2393 &dev->fsa_dev[cid].sense_data,
2394 min_t(size_t,
2395 sizeof(dev->fsa_dev[cid].sense_data),
2396 SCSI_SENSE_BUFFERSIZE));
2397 scsicmd->scsi_done(scsicmd);
2398 return 0;
2399 }
2400 /* FALLTHRU */
2401 case RESERVE:
2402 case RELEASE:
2403 case REZERO_UNIT:
2404 case REASSIGN_BLOCKS:
2405 case SEEK_10:
2406 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2407 scsicmd->scsi_done(scsicmd);
2408 return 0;
2409
2410 case START_STOP:
2411 return aac_start_stop(scsicmd);
2412 }
2413
2414 switch (scsicmd->cmnd[0])
2415 {
2416 case READ_6:
2417 case READ_10:
2418 case READ_12:
2419 case READ_16:
2420 if (dev->in_reset)
2421 return -1;
2422 /*
2423 * Hack to keep track of ordinal number of the device that
2424 * corresponds to a container. Needed to convert
2425 * containers to /dev/sd device names
2426 */
2427
2428 if (scsicmd->request->rq_disk)
2429 strlcpy(fsa_dev_ptr[cid].devname,
2430 scsicmd->request->rq_disk->disk_name,
2431 min(sizeof(fsa_dev_ptr[cid].devname),
2432 sizeof(scsicmd->request->rq_disk->disk_name) + 1));
2433
2434 return aac_read(scsicmd);
2435
2436 case WRITE_6:
2437 case WRITE_10:
2438 case WRITE_12:
2439 case WRITE_16:
2440 if (dev->in_reset)
2441 return -1;
2442 return aac_write(scsicmd);
2443
2444 case SYNCHRONIZE_CACHE:
2445 if (((aac_cache & 6) == 6) && dev->cache_protected) {
2446 scsicmd->result = DID_OK << 16 |
2447 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2448 scsicmd->scsi_done(scsicmd);
2449 return 0;
2450 }
2451 /* Issue FIB to tell Firmware to flush it's cache */
2452 if ((aac_cache & 6) != 2)
2453 return aac_synchronize(scsicmd);
2454 /* FALLTHRU */
2455 default:
2456 /*
2457 * Unhandled commands
2458 */
2459 dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]));
2460 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2461 set_sense(&dev->fsa_dev[cid].sense_data,
2462 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2463 ASENCODE_INVALID_COMMAND, 0, 0);
2464 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2465 min_t(size_t,
2466 sizeof(dev->fsa_dev[cid].sense_data),
2467 SCSI_SENSE_BUFFERSIZE));
2468 scsicmd->scsi_done(scsicmd);
2469 return 0;
2470 }
2471 }
2472
2473 static int query_disk(struct aac_dev *dev, void __user *arg)
2474 {
2475 struct aac_query_disk qd;
2476 struct fsa_dev_info *fsa_dev_ptr;
2477
2478 fsa_dev_ptr = dev->fsa_dev;
2479 if (!fsa_dev_ptr)
2480 return -EBUSY;
2481 if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
2482 return -EFAULT;
2483 if (qd.cnum == -1)
2484 qd.cnum = qd.id;
2485 else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
2486 {
2487 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
2488 return -EINVAL;
2489 qd.instance = dev->scsi_host_ptr->host_no;
2490 qd.bus = 0;
2491 qd.id = CONTAINER_TO_ID(qd.cnum);
2492 qd.lun = CONTAINER_TO_LUN(qd.cnum);
2493 }
2494 else return -EINVAL;
2495
2496 qd.valid = fsa_dev_ptr[qd.cnum].valid != 0;
2497 qd.locked = fsa_dev_ptr[qd.cnum].locked;
2498 qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
2499
2500 if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
2501 qd.unmapped = 1;
2502 else
2503 qd.unmapped = 0;
2504
2505 strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
2506 min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
2507
2508 if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
2509 return -EFAULT;
2510 return 0;
2511 }
2512
2513 static int force_delete_disk(struct aac_dev *dev, void __user *arg)
2514 {
2515 struct aac_delete_disk dd;
2516 struct fsa_dev_info *fsa_dev_ptr;
2517
2518 fsa_dev_ptr = dev->fsa_dev;
2519 if (!fsa_dev_ptr)
2520 return -EBUSY;
2521
2522 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2523 return -EFAULT;
2524
2525 if (dd.cnum >= dev->maximum_num_containers)
2526 return -EINVAL;
2527 /*
2528 * Mark this container as being deleted.
2529 */
2530 fsa_dev_ptr[dd.cnum].deleted = 1;
2531 /*
2532 * Mark the container as no longer valid
2533 */
2534 fsa_dev_ptr[dd.cnum].valid = 0;
2535 return 0;
2536 }
2537
2538 static int delete_disk(struct aac_dev *dev, void __user *arg)
2539 {
2540 struct aac_delete_disk dd;
2541 struct fsa_dev_info *fsa_dev_ptr;
2542
2543 fsa_dev_ptr = dev->fsa_dev;
2544 if (!fsa_dev_ptr)
2545 return -EBUSY;
2546
2547 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2548 return -EFAULT;
2549
2550 if (dd.cnum >= dev->maximum_num_containers)
2551 return -EINVAL;
2552 /*
2553 * If the container is locked, it can not be deleted by the API.
2554 */
2555 if (fsa_dev_ptr[dd.cnum].locked)
2556 return -EBUSY;
2557 else {
2558 /*
2559 * Mark the container as no longer being valid.
2560 */
2561 fsa_dev_ptr[dd.cnum].valid = 0;
2562 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
2563 return 0;
2564 }
2565 }
2566
2567 int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
2568 {
2569 switch (cmd) {
2570 case FSACTL_QUERY_DISK:
2571 return query_disk(dev, arg);
2572 case FSACTL_DELETE_DISK:
2573 return delete_disk(dev, arg);
2574 case FSACTL_FORCE_DELETE_DISK:
2575 return force_delete_disk(dev, arg);
2576 case FSACTL_GET_CONTAINERS:
2577 return aac_get_containers(dev);
2578 default:
2579 return -ENOTTY;
2580 }
2581 }
2582
2583 /**
2584 *
2585 * aac_srb_callback
2586 * @context: the context set in the fib - here it is scsi cmd
2587 * @fibptr: pointer to the fib
2588 *
2589 * Handles the completion of a scsi command to a non dasd device
2590 *
2591 */
2592
2593 static void aac_srb_callback(void *context, struct fib * fibptr)
2594 {
2595 struct aac_dev *dev;
2596 struct aac_srb_reply *srbreply;
2597 struct scsi_cmnd *scsicmd;
2598
2599 scsicmd = (struct scsi_cmnd *) context;
2600
2601 if (!aac_valid_context(scsicmd, fibptr))
2602 return;
2603
2604 BUG_ON(fibptr == NULL);
2605
2606 dev = fibptr->dev;
2607
2608 srbreply = (struct aac_srb_reply *) fib_data(fibptr);
2609
2610 scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */
2611 /*
2612 * Calculate resid for sg
2613 */
2614
2615 scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
2616 - le32_to_cpu(srbreply->data_xfer_length));
2617
2618 scsi_dma_unmap(scsicmd);
2619
2620 /* expose physical device if expose_physicald flag is on */
2621 if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01)
2622 && expose_physicals > 0)
2623 aac_expose_phy_device(scsicmd);
2624
2625 /*
2626 * First check the fib status
2627 */
2628
2629 if (le32_to_cpu(srbreply->status) != ST_OK){
2630 int len;
2631 printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
2632 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
2633 SCSI_SENSE_BUFFERSIZE);
2634 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2635 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2636 }
2637
2638 /*
2639 * Next check the srb status
2640 */
2641 switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
2642 case SRB_STATUS_ERROR_RECOVERY:
2643 case SRB_STATUS_PENDING:
2644 case SRB_STATUS_SUCCESS:
2645 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2646 break;
2647 case SRB_STATUS_DATA_OVERRUN:
2648 switch(scsicmd->cmnd[0]){
2649 case READ_6:
2650 case WRITE_6:
2651 case READ_10:
2652 case WRITE_10:
2653 case READ_12:
2654 case WRITE_12:
2655 case READ_16:
2656 case WRITE_16:
2657 if (le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow) {
2658 printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
2659 } else {
2660 printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
2661 }
2662 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2663 break;
2664 case INQUIRY: {
2665 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2666 break;
2667 }
2668 default:
2669 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2670 break;
2671 }
2672 break;
2673 case SRB_STATUS_ABORTED:
2674 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
2675 break;
2676 case SRB_STATUS_ABORT_FAILED:
2677 // Not sure about this one - but assuming the hba was trying to abort for some reason
2678 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
2679 break;
2680 case SRB_STATUS_PARITY_ERROR:
2681 scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
2682 break;
2683 case SRB_STATUS_NO_DEVICE:
2684 case SRB_STATUS_INVALID_PATH_ID:
2685 case SRB_STATUS_INVALID_TARGET_ID:
2686 case SRB_STATUS_INVALID_LUN:
2687 case SRB_STATUS_SELECTION_TIMEOUT:
2688 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
2689 break;
2690
2691 case SRB_STATUS_COMMAND_TIMEOUT:
2692 case SRB_STATUS_TIMEOUT:
2693 scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
2694 break;
2695
2696 case SRB_STATUS_BUSY:
2697 scsicmd->result = DID_BUS_BUSY << 16 | COMMAND_COMPLETE << 8;
2698 break;
2699
2700 case SRB_STATUS_BUS_RESET:
2701 scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
2702 break;
2703
2704 case SRB_STATUS_MESSAGE_REJECTED:
2705 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
2706 break;
2707 case SRB_STATUS_REQUEST_FLUSHED:
2708 case SRB_STATUS_ERROR:
2709 case SRB_STATUS_INVALID_REQUEST:
2710 case SRB_STATUS_REQUEST_SENSE_FAILED:
2711 case SRB_STATUS_NO_HBA:
2712 case SRB_STATUS_UNEXPECTED_BUS_FREE:
2713 case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
2714 case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
2715 case SRB_STATUS_DELAYED_RETRY:
2716 case SRB_STATUS_BAD_FUNCTION:
2717 case SRB_STATUS_NOT_STARTED:
2718 case SRB_STATUS_NOT_IN_USE:
2719 case SRB_STATUS_FORCE_ABORT:
2720 case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
2721 default:
2722 #ifdef AAC_DETAILED_STATUS_INFO
2723 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
2724 le32_to_cpu(srbreply->srb_status) & 0x3F,
2725 aac_get_status_string(
2726 le32_to_cpu(srbreply->srb_status) & 0x3F),
2727 scsicmd->cmnd[0],
2728 le32_to_cpu(srbreply->scsi_status));
2729 #endif
2730 if ((scsicmd->cmnd[0] == ATA_12)
2731 || (scsicmd->cmnd[0] == ATA_16)) {
2732 if (scsicmd->cmnd[2] & (0x01 << 5)) {
2733 scsicmd->result = DID_OK << 16
2734 | COMMAND_COMPLETE << 8;
2735 break;
2736 } else {
2737 scsicmd->result = DID_ERROR << 16
2738 | COMMAND_COMPLETE << 8;
2739 break;
2740 }
2741 } else {
2742 scsicmd->result = DID_ERROR << 16
2743 | COMMAND_COMPLETE << 8;
2744 break;
2745 }
2746 }
2747 if (le32_to_cpu(srbreply->scsi_status) == SAM_STAT_CHECK_CONDITION) {
2748 int len;
2749 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
2750 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
2751 SCSI_SENSE_BUFFERSIZE);
2752 #ifdef AAC_DETAILED_STATUS_INFO
2753 printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
2754 le32_to_cpu(srbreply->status), len);
2755 #endif
2756 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2757 }
2758 /*
2759 * OR in the scsi status (already shifted up a bit)
2760 */
2761 scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
2762
2763 aac_fib_complete(fibptr);
2764 aac_fib_free(fibptr);
2765 scsicmd->scsi_done(scsicmd);
2766 }
2767
2768 /**
2769 *
2770 * aac_send_scb_fib
2771 * @scsicmd: the scsi command block
2772 *
2773 * This routine will form a FIB and fill in the aac_srb from the
2774 * scsicmd passed in.
2775 */
2776
2777 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
2778 {
2779 struct fib* cmd_fibcontext;
2780 struct aac_dev* dev;
2781 int status;
2782
2783 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2784 if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
2785 scsicmd->device->lun > 7) {
2786 scsicmd->result = DID_NO_CONNECT << 16;
2787 scsicmd->scsi_done(scsicmd);
2788 return 0;
2789 }
2790
2791 /*
2792 * Allocate and initialize a Fib then setup a BlockWrite command
2793 */
2794 if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
2795 return -1;
2796 }
2797 status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
2798
2799 /*
2800 * Check that the command queued to the controller
2801 */
2802 if (status == -EINPROGRESS) {
2803 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2804 return 0;
2805 }
2806
2807 printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
2808 aac_fib_complete(cmd_fibcontext);
2809 aac_fib_free(cmd_fibcontext);
2810
2811 return -1;
2812 }
2813
2814 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
2815 {
2816 struct aac_dev *dev;
2817 unsigned long byte_count = 0;
2818 int nseg;
2819
2820 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2821 // Get rid of old data
2822 psg->count = 0;
2823 psg->sg[0].addr = 0;
2824 psg->sg[0].count = 0;
2825
2826 nseg = scsi_dma_map(scsicmd);
2827 BUG_ON(nseg < 0);
2828 if (nseg) {
2829 struct scatterlist *sg;
2830 int i;
2831
2832 psg->count = cpu_to_le32(nseg);
2833
2834 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2835 psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
2836 psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
2837 byte_count += sg_dma_len(sg);
2838 }
2839 /* hba wants the size to be exact */
2840 if (byte_count > scsi_bufflen(scsicmd)) {
2841 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2842 (byte_count - scsi_bufflen(scsicmd));
2843 psg->sg[i-1].count = cpu_to_le32(temp);
2844 byte_count = scsi_bufflen(scsicmd);
2845 }
2846 /* Check for command underflow */
2847 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2848 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2849 byte_count, scsicmd->underflow);
2850 }
2851 }
2852 return byte_count;
2853 }
2854
2855
2856 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg)
2857 {
2858 struct aac_dev *dev;
2859 unsigned long byte_count = 0;
2860 u64 addr;
2861 int nseg;
2862
2863 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2864 // Get rid of old data
2865 psg->count = 0;
2866 psg->sg[0].addr[0] = 0;
2867 psg->sg[0].addr[1] = 0;
2868 psg->sg[0].count = 0;
2869
2870 nseg = scsi_dma_map(scsicmd);
2871 BUG_ON(nseg < 0);
2872 if (nseg) {
2873 struct scatterlist *sg;
2874 int i;
2875
2876 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2877 int count = sg_dma_len(sg);
2878 addr = sg_dma_address(sg);
2879 psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
2880 psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
2881 psg->sg[i].count = cpu_to_le32(count);
2882 byte_count += count;
2883 }
2884 psg->count = cpu_to_le32(nseg);
2885 /* hba wants the size to be exact */
2886 if (byte_count > scsi_bufflen(scsicmd)) {
2887 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2888 (byte_count - scsi_bufflen(scsicmd));
2889 psg->sg[i-1].count = cpu_to_le32(temp);
2890 byte_count = scsi_bufflen(scsicmd);
2891 }
2892 /* Check for command underflow */
2893 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2894 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2895 byte_count, scsicmd->underflow);
2896 }
2897 }
2898 return byte_count;
2899 }
2900
2901 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg)
2902 {
2903 unsigned long byte_count = 0;
2904 int nseg;
2905
2906 // Get rid of old data
2907 psg->count = 0;
2908 psg->sg[0].next = 0;
2909 psg->sg[0].prev = 0;
2910 psg->sg[0].addr[0] = 0;
2911 psg->sg[0].addr[1] = 0;
2912 psg->sg[0].count = 0;
2913 psg->sg[0].flags = 0;
2914
2915 nseg = scsi_dma_map(scsicmd);
2916 BUG_ON(nseg < 0);
2917 if (nseg) {
2918 struct scatterlist *sg;
2919 int i;
2920
2921 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2922 int count = sg_dma_len(sg);
2923 u64 addr = sg_dma_address(sg);
2924 psg->sg[i].next = 0;
2925 psg->sg[i].prev = 0;
2926 psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
2927 psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2928 psg->sg[i].count = cpu_to_le32(count);
2929 psg->sg[i].flags = 0;
2930 byte_count += count;
2931 }
2932 psg->count = cpu_to_le32(nseg);
2933 /* hba wants the size to be exact */
2934 if (byte_count > scsi_bufflen(scsicmd)) {
2935 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2936 (byte_count - scsi_bufflen(scsicmd));
2937 psg->sg[i-1].count = cpu_to_le32(temp);
2938 byte_count = scsi_bufflen(scsicmd);
2939 }
2940 /* Check for command underflow */
2941 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2942 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2943 byte_count, scsicmd->underflow);
2944 }
2945 }
2946 return byte_count;
2947 }
2948
2949 #ifdef AAC_DETAILED_STATUS_INFO
2950
2951 struct aac_srb_status_info {
2952 u32 status;
2953 char *str;
2954 };
2955
2956
2957 static struct aac_srb_status_info srb_status_info[] = {
2958 { SRB_STATUS_PENDING, "Pending Status"},
2959 { SRB_STATUS_SUCCESS, "Success"},
2960 { SRB_STATUS_ABORTED, "Aborted Command"},
2961 { SRB_STATUS_ABORT_FAILED, "Abort Failed"},
2962 { SRB_STATUS_ERROR, "Error Event"},
2963 { SRB_STATUS_BUSY, "Device Busy"},
2964 { SRB_STATUS_INVALID_REQUEST, "Invalid Request"},
2965 { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"},
2966 { SRB_STATUS_NO_DEVICE, "No Device"},
2967 { SRB_STATUS_TIMEOUT, "Timeout"},
2968 { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
2969 { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"},
2970 { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"},
2971 { SRB_STATUS_BUS_RESET, "Bus Reset"},
2972 { SRB_STATUS_PARITY_ERROR, "Parity Error"},
2973 { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
2974 { SRB_STATUS_NO_HBA, "No HBA"},
2975 { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"},
2976 { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
2977 { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
2978 { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
2979 { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"},
2980 { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"},
2981 { SRB_STATUS_INVALID_LUN, "Invalid LUN"},
2982 { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
2983 { SRB_STATUS_BAD_FUNCTION, "Bad Function"},
2984 { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"},
2985 { SRB_STATUS_NOT_STARTED, "Not Started"},
2986 { SRB_STATUS_NOT_IN_USE, "Not In Use"},
2987 { SRB_STATUS_FORCE_ABORT, "Force Abort"},
2988 { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
2989 { 0xff, "Unknown Error"}
2990 };
2991
2992 char *aac_get_status_string(u32 status)
2993 {
2994 int i;
2995
2996 for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
2997 if (srb_status_info[i].status == status)
2998 return srb_status_info[i].str;
2999
3000 return "Bad Status Code";
3001 }
3002
3003 #endif
Tomato firmware and modifications.