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OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / drivers / scsi / aacraid / aachba.c
blob409f5805bdd63e06459906a04a7592eebeea9aae
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) 2000-2010 Adaptec, Inc.
9 * 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2, or (at your option)
14 * any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; see the file COPYING. If not, write to
23 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
24 *
25 */
26
27 #include <linux/kernel.h>
28 #include <linux/init.h>
29 #include <linux/types.h>
30 #include <linux/pci.h>
31 #include <linux/spinlock.h>
32 #include <linux/slab.h>
33 #include <linux/completion.h>
34 #include <linux/blkdev.h>
35 #include <asm/uaccess.h>
36 #include <linux/highmem.h> /* For flush_kernel_dcache_page */
37 #include <linux/module.h>
38
39 #include <scsi/scsi.h>
40 #include <scsi/scsi_cmnd.h>
41 #include <scsi/scsi_device.h>
42 #include <scsi/scsi_host.h>
43
44 #include "aacraid.h"
45
46 /* values for inqd_pdt: Peripheral device type in plain English */
47 #define INQD_PDT_DA 0x00 /* Direct-access (DISK) device */
48 #define INQD_PDT_PROC 0x03 /* Processor device */
49 #define INQD_PDT_CHNGR 0x08 /* Changer (jukebox, scsi2) */
50 #define INQD_PDT_COMM 0x09 /* Communication device (scsi2) */
51 #define INQD_PDT_NOLUN2 0x1f /* Unknown Device (scsi2) */
52 #define INQD_PDT_NOLUN 0x7f /* Logical Unit Not Present */
53
54 #define INQD_PDT_DMASK 0x1F /* Peripheral Device Type Mask */
55 #define INQD_PDT_QMASK 0xE0 /* Peripheral Device Qualifer Mask */
56
57 /*
58 * Sense codes
59 */
60
61 #define SENCODE_NO_SENSE 0x00
62 #define SENCODE_END_OF_DATA 0x00
63 #define SENCODE_BECOMING_READY 0x04
64 #define SENCODE_INIT_CMD_REQUIRED 0x04
65 #define SENCODE_PARAM_LIST_LENGTH_ERROR 0x1A
66 #define SENCODE_INVALID_COMMAND 0x20
67 #define SENCODE_LBA_OUT_OF_RANGE 0x21
68 #define SENCODE_INVALID_CDB_FIELD 0x24
69 #define SENCODE_LUN_NOT_SUPPORTED 0x25
70 #define SENCODE_INVALID_PARAM_FIELD 0x26
71 #define SENCODE_PARAM_NOT_SUPPORTED 0x26
72 #define SENCODE_PARAM_VALUE_INVALID 0x26
73 #define SENCODE_RESET_OCCURRED 0x29
74 #define SENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x3E
75 #define SENCODE_INQUIRY_DATA_CHANGED 0x3F
76 #define SENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x39
77 #define SENCODE_DIAGNOSTIC_FAILURE 0x40
78 #define SENCODE_INTERNAL_TARGET_FAILURE 0x44
79 #define SENCODE_INVALID_MESSAGE_ERROR 0x49
80 #define SENCODE_LUN_FAILED_SELF_CONFIG 0x4c
81 #define SENCODE_OVERLAPPED_COMMAND 0x4E
82
83 /*
84 * Additional sense codes
85 */
86
87 #define ASENCODE_NO_SENSE 0x00
88 #define ASENCODE_END_OF_DATA 0x05
89 #define ASENCODE_BECOMING_READY 0x01
90 #define ASENCODE_INIT_CMD_REQUIRED 0x02
91 #define ASENCODE_PARAM_LIST_LENGTH_ERROR 0x00
92 #define ASENCODE_INVALID_COMMAND 0x00
93 #define ASENCODE_LBA_OUT_OF_RANGE 0x00
94 #define ASENCODE_INVALID_CDB_FIELD 0x00
95 #define ASENCODE_LUN_NOT_SUPPORTED 0x00
96 #define ASENCODE_INVALID_PARAM_FIELD 0x00
97 #define ASENCODE_PARAM_NOT_SUPPORTED 0x01
98 #define ASENCODE_PARAM_VALUE_INVALID 0x02
99 #define ASENCODE_RESET_OCCURRED 0x00
100 #define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x00
101 #define ASENCODE_INQUIRY_DATA_CHANGED 0x03
102 #define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x00
103 #define ASENCODE_DIAGNOSTIC_FAILURE 0x80
104 #define ASENCODE_INTERNAL_TARGET_FAILURE 0x00
105 #define ASENCODE_INVALID_MESSAGE_ERROR 0x00
106 #define ASENCODE_LUN_FAILED_SELF_CONFIG 0x00
107 #define ASENCODE_OVERLAPPED_COMMAND 0x00
108
109 #define BYTE0(x) (unsigned char)(x)
110 #define BYTE1(x) (unsigned char)((x) >> 8)
111 #define BYTE2(x) (unsigned char)((x) >> 16)
112 #define BYTE3(x) (unsigned char)((x) >> 24)
113
114 /*------------------------------------------------------------------------------
115 * S T R U C T S / T Y P E D E F S
116 *----------------------------------------------------------------------------*/
117 /* SCSI inquiry data */
118 struct inquiry_data {
119 u8 inqd_pdt; /* Peripheral qualifier | Peripheral Device Type */
120 u8 inqd_dtq; /* RMB | Device Type Qualifier */
121 u8 inqd_ver; /* ISO version | ECMA version | ANSI-approved version */
122 u8 inqd_rdf; /* AENC | TrmIOP | Response data format */
123 u8 inqd_len; /* Additional length (n-4) */
124 u8 inqd_pad1[2];/* Reserved - must be zero */
125 u8 inqd_pad2; /* RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
126 u8 inqd_vid[8]; /* Vendor ID */
127 u8 inqd_pid[16];/* Product ID */
128 u8 inqd_prl[4]; /* Product Revision Level */
129 };
130
131 /*
132 * M O D U L E G L O B A L S
133 */
134
135 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap);
136 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg);
137 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg);
138 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
139 #ifdef AAC_DETAILED_STATUS_INFO
140 static char *aac_get_status_string(u32 status);
141 #endif
142
143 /*
144 * Non dasd selection is handled entirely in aachba now
145 */
146
147 static int nondasd = -1;
148 static int aac_cache = 2; /* WCE=0 to avoid performance problems */
149 static int dacmode = -1;
150 int aac_msi;
151 int aac_commit = -1;
152 int startup_timeout = 180;
153 int aif_timeout = 120;
154
155 module_param(nondasd, int, S_IRUGO|S_IWUSR);
156 MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices."
157 " 0=off, 1=on");
158 module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR);
159 MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n"
160 "\tbit 0 - Disable FUA in WRITE SCSI commands\n"
161 "\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n"
162 "\tbit 2 - Disable only if Battery is protecting Cache");
163 module_param(dacmode, int, S_IRUGO|S_IWUSR);
164 MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC."
165 " 0=off, 1=on");
166 module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
167 MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the"
168 " adapter for foreign arrays.\n"
169 "This is typically needed in systems that do not have a BIOS."
170 " 0=off, 1=on");
171 module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR);
172 MODULE_PARM_DESC(msi, "IRQ handling."
173 " 0=PIC(default), 1=MSI, 2=MSI-X(unsupported, uses MSI)");
174 module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
175 MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for"
176 " adapter to have it's kernel up and\n"
177 "running. This is typically adjusted for large systems that do not"
178 " have a BIOS.");
179 module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
180 MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for"
181 " applications to pick up AIFs before\n"
182 "deregistering them. This is typically adjusted for heavily burdened"
183 " systems.");
184
185 int numacb = -1;
186 module_param(numacb, int, S_IRUGO|S_IWUSR);
187 MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control"
188 " blocks (FIB) allocated. Valid values are 512 and down. Default is"
189 " to use suggestion from Firmware.");
190
191 int acbsize = -1;
192 module_param(acbsize, int, S_IRUGO|S_IWUSR);
193 MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB)"
194 " size. Valid values are 512, 2048, 4096 and 8192. Default is to use"
195 " suggestion from Firmware.");
196
197 int update_interval = 30 * 60;
198 module_param(update_interval, int, S_IRUGO|S_IWUSR);
199 MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync"
200 " updates issued to adapter.");
201
202 int check_interval = 24 * 60 * 60;
203 module_param(check_interval, int, S_IRUGO|S_IWUSR);
204 MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
205 " checks.");
206
207 int aac_check_reset = 1;
208 module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
209 MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the"
210 " adapter. a value of -1 forces the reset to adapters programmed to"
211 " ignore it.");
212
213 int expose_physicals = -1;
214 module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
215 MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays."
216 " -1=protect 0=off, 1=on");
217
218 int aac_reset_devices;
219 module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
220 MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
221
222 int aac_wwn = 1;
223 module_param_named(wwn, aac_wwn, int, S_IRUGO|S_IWUSR);
224 MODULE_PARM_DESC(wwn, "Select a WWN type for the arrays:\n"
225 "\t0 - Disable\n"
226 "\t1 - Array Meta Data Signature (default)\n"
227 "\t2 - Adapter Serial Number");
228
229
230 static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
231 struct fib *fibptr) {
232 struct scsi_device *device;
233
234 if (unlikely(!scsicmd || !scsicmd->scsi_done)) {
235 dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"));
236 aac_fib_complete(fibptr);
237 aac_fib_free(fibptr);
238 return 0;
239 }
240 scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
241 device = scsicmd->device;
242 if (unlikely(!device || !scsi_device_online(device))) {
243 dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
244 aac_fib_complete(fibptr);
245 aac_fib_free(fibptr);
246 return 0;
247 }
248 return 1;
249 }
250
251 /**
252 * aac_get_config_status - check the adapter configuration
253 * @common: adapter to query
254 *
255 * Query config status, and commit the configuration if needed.
256 */
257 int aac_get_config_status(struct aac_dev *dev, int commit_flag)
258 {
259 int status = 0;
260 struct fib * fibptr;
261
262 if (!(fibptr = aac_fib_alloc(dev)))
263 return -ENOMEM;
264
265 aac_fib_init(fibptr);
266 {
267 struct aac_get_config_status *dinfo;
268 dinfo = (struct aac_get_config_status *) fib_data(fibptr);
269
270 dinfo->command = cpu_to_le32(VM_ContainerConfig);
271 dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
272 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
273 }
274
275 status = aac_fib_send(ContainerCommand,
276 fibptr,
277 sizeof (struct aac_get_config_status),
278 FsaNormal,
279 1, 1,
280 NULL, NULL);
281 if (status < 0) {
282 printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
283 } else {
284 struct aac_get_config_status_resp *reply
285 = (struct aac_get_config_status_resp *) fib_data(fibptr);
286 dprintk((KERN_WARNING
287 "aac_get_config_status: response=%d status=%d action=%d\n",
288 le32_to_cpu(reply->response),
289 le32_to_cpu(reply->status),
290 le32_to_cpu(reply->data.action)));
291 if ((le32_to_cpu(reply->response) != ST_OK) ||
292 (le32_to_cpu(reply->status) != CT_OK) ||
293 (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
294 printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
295 status = -EINVAL;
296 }
297 }
298 /* Do not set XferState to zero unless receives a response from F/W */
299 if (status >= 0)
300 aac_fib_complete(fibptr);
301
302 /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
303 if (status >= 0) {
304 if ((aac_commit == 1) || commit_flag) {
305 struct aac_commit_config * dinfo;
306 aac_fib_init(fibptr);
307 dinfo = (struct aac_commit_config *) fib_data(fibptr);
308
309 dinfo->command = cpu_to_le32(VM_ContainerConfig);
310 dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
311
312 status = aac_fib_send(ContainerCommand,
313 fibptr,
314 sizeof (struct aac_commit_config),
315 FsaNormal,
316 1, 1,
317 NULL, NULL);
318 /* Do not set XferState to zero unless
319 * receives a response from F/W */
320 if (status >= 0)
321 aac_fib_complete(fibptr);
322 } else if (aac_commit == 0) {
323 printk(KERN_WARNING
324 "aac_get_config_status: Foreign device configurations are being ignored\n");
325 }
326 }
327 /* FIB should be freed only after getting the response from the F/W */
328 if (status != -ERESTARTSYS)
329 aac_fib_free(fibptr);
330 return status;
331 }
332
333 static void aac_expose_phy_device(struct scsi_cmnd *scsicmd)
334 {
335 char inq_data;
336 scsi_sg_copy_to_buffer(scsicmd, &inq_data, sizeof(inq_data));
337 if ((inq_data & 0x20) && (inq_data & 0x1f) == TYPE_DISK) {
338 inq_data &= 0xdf;
339 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
340 }
341 }
342
343 /**
344 * aac_get_containers - list containers
345 * @common: adapter to probe
346 *
347 * Make a list of all containers on this controller
348 */
349 int aac_get_containers(struct aac_dev *dev)
350 {
351 struct fsa_dev_info *fsa_dev_ptr;
352 u32 index;
353 int status = 0;
354 struct fib * fibptr;
355 struct aac_get_container_count *dinfo;
356 struct aac_get_container_count_resp *dresp;
357 int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
358
359 if (!(fibptr = aac_fib_alloc(dev)))
360 return -ENOMEM;
361
362 aac_fib_init(fibptr);
363 dinfo = (struct aac_get_container_count *) fib_data(fibptr);
364 dinfo->command = cpu_to_le32(VM_ContainerConfig);
365 dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
366
367 status = aac_fib_send(ContainerCommand,
368 fibptr,
369 sizeof (struct aac_get_container_count),
370 FsaNormal,
371 1, 1,
372 NULL, NULL);
373 if (status >= 0) {
374 dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
375 maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
376 aac_fib_complete(fibptr);
377 }
378 /* FIB should be freed only after getting the response from the F/W */
379 if (status != -ERESTARTSYS)
380 aac_fib_free(fibptr);
381
382 if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
383 maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
384 fsa_dev_ptr = kzalloc(sizeof(*fsa_dev_ptr) * maximum_num_containers,
385 GFP_KERNEL);
386 if (!fsa_dev_ptr)
387 return -ENOMEM;
388
389 dev->fsa_dev = fsa_dev_ptr;
390 dev->maximum_num_containers = maximum_num_containers;
391
392 for (index = 0; index < dev->maximum_num_containers; ) {
393 fsa_dev_ptr[index].devname[0] = '\0';
394
395 status = aac_probe_container(dev, index);
396
397 if (status < 0) {
398 printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
399 break;
400 }
401
402 /*
403 * If there are no more containers, then stop asking.
404 */
405 if (++index >= status)
406 break;
407 }
408 return status;
409 }
410
411 static void get_container_name_callback(void *context, struct fib * fibptr)
412 {
413 struct aac_get_name_resp * get_name_reply;
414 struct scsi_cmnd * scsicmd;
415
416 scsicmd = (struct scsi_cmnd *) context;
417
418 if (!aac_valid_context(scsicmd, fibptr))
419 return;
420
421 dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
422 BUG_ON(fibptr == NULL);
423
424 get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
425 /* Failure is irrelevant, using default value instead */
426 if ((le32_to_cpu(get_name_reply->status) == CT_OK)
427 && (get_name_reply->data[0] != '\0')) {
428 char *sp = get_name_reply->data;
429 sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0';
430 while (*sp == ' ')
431 ++sp;
432 if (*sp) {
433 struct inquiry_data inq;
434 char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
435 int count = sizeof(d);
436 char *dp = d;
437 do {
438 *dp++ = (*sp) ? *sp++ : ' ';
439 } while (--count > 0);
440
441 scsi_sg_copy_to_buffer(scsicmd, &inq, sizeof(inq));
442 memcpy(inq.inqd_pid, d, sizeof(d));
443 scsi_sg_copy_from_buffer(scsicmd, &inq, sizeof(inq));
444 }
445 }
446
447 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
448
449 aac_fib_complete(fibptr);
450 aac_fib_free(fibptr);
451 scsicmd->scsi_done(scsicmd);
452 }
453
454 /**
455 * aac_get_container_name - get container name, none blocking.
456 */
457 static int aac_get_container_name(struct scsi_cmnd * scsicmd)
458 {
459 int status;
460 struct aac_get_name *dinfo;
461 struct fib * cmd_fibcontext;
462 struct aac_dev * dev;
463
464 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
465
466 if (!(cmd_fibcontext = aac_fib_alloc(dev)))
467 return -ENOMEM;
468
469 aac_fib_init(cmd_fibcontext);
470 dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
471
472 dinfo->command = cpu_to_le32(VM_ContainerConfig);
473 dinfo->type = cpu_to_le32(CT_READ_NAME);
474 dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
475 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));
476
477 status = aac_fib_send(ContainerCommand,
478 cmd_fibcontext,
479 sizeof (struct aac_get_name),
480 FsaNormal,
481 0, 1,
482 (fib_callback)get_container_name_callback,
483 (void *) scsicmd);
484
485 /*
486 * Check that the command queued to the controller
487 */
488 if (status == -EINPROGRESS) {
489 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
490 return 0;
491 }
492
493 printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
494 aac_fib_complete(cmd_fibcontext);
495 aac_fib_free(cmd_fibcontext);
496 return -1;
497 }
498
499 static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
500 {
501 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
502
503 if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1))
504 return aac_scsi_cmd(scsicmd);
505
506 scsicmd->result = DID_NO_CONNECT << 16;
507 scsicmd->scsi_done(scsicmd);
508 return 0;
509 }
510
511 static void _aac_probe_container2(void * context, struct fib * fibptr)
512 {
513 struct fsa_dev_info *fsa_dev_ptr;
514 int (*callback)(struct scsi_cmnd *);
515 struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context;
516
517
518 if (!aac_valid_context(scsicmd, fibptr))
519 return;
520
521 scsicmd->SCp.Status = 0;
522 fsa_dev_ptr = fibptr->dev->fsa_dev;
523 if (fsa_dev_ptr) {
524 struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
525 fsa_dev_ptr += scmd_id(scsicmd);
526
527 if ((le32_to_cpu(dresp->status) == ST_OK) &&
528 (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
529 (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
530 fsa_dev_ptr->valid = 1;
531 /* sense_key holds the current state of the spin-up */
532 if (dresp->mnt[0].state & cpu_to_le32(FSCS_NOT_READY))
533 fsa_dev_ptr->sense_data.sense_key = NOT_READY;
534 else if (fsa_dev_ptr->sense_data.sense_key == NOT_READY)
535 fsa_dev_ptr->sense_data.sense_key = NO_SENSE;
536 fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
537 fsa_dev_ptr->size
538 = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
539 (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
540 fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0);
541 }
542 if ((fsa_dev_ptr->valid & 1) == 0)
543 fsa_dev_ptr->valid = 0;
544 scsicmd->SCp.Status = le32_to_cpu(dresp->count);
545 }
546 aac_fib_complete(fibptr);
547 aac_fib_free(fibptr);
548 callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr);
549 scsicmd->SCp.ptr = NULL;
550 (*callback)(scsicmd);
551 return;
552 }
553
554 static void _aac_probe_container1(void * context, struct fib * fibptr)
555 {
556 struct scsi_cmnd * scsicmd;
557 struct aac_mount * dresp;
558 struct aac_query_mount *dinfo;
559 int status;
560
561 dresp = (struct aac_mount *) fib_data(fibptr);
562 dresp->mnt[0].capacityhigh = 0;
563 if ((le32_to_cpu(dresp->status) != ST_OK) ||
564 (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
565 _aac_probe_container2(context, fibptr);
566 return;
567 }
568 scsicmd = (struct scsi_cmnd *) context;
569
570 if (!aac_valid_context(scsicmd, fibptr))
571 return;
572
573 aac_fib_init(fibptr);
574
575 dinfo = (struct aac_query_mount *)fib_data(fibptr);
576
577 dinfo->command = cpu_to_le32(VM_NameServe64);
578 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
579 dinfo->type = cpu_to_le32(FT_FILESYS);
580
581 status = aac_fib_send(ContainerCommand,
582 fibptr,
583 sizeof(struct aac_query_mount),
584 FsaNormal,
585 0, 1,
586 _aac_probe_container2,
587 (void *) scsicmd);
588 /*
589 * Check that the command queued to the controller
590 */
591 if (status == -EINPROGRESS)
592 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
593 else if (status < 0) {
594 /* Inherit results from VM_NameServe, if any */
595 dresp->status = cpu_to_le32(ST_OK);
596 _aac_probe_container2(context, fibptr);
597 }
598 }
599
600 static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
601 {
602 struct fib * fibptr;
603 int status = -ENOMEM;
604
605 if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
606 struct aac_query_mount *dinfo;
607
608 aac_fib_init(fibptr);
609
610 dinfo = (struct aac_query_mount *)fib_data(fibptr);
611
612 dinfo->command = cpu_to_le32(VM_NameServe);
613 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
614 dinfo->type = cpu_to_le32(FT_FILESYS);
615 scsicmd->SCp.ptr = (char *)callback;
616
617 status = aac_fib_send(ContainerCommand,
618 fibptr,
619 sizeof(struct aac_query_mount),
620 FsaNormal,
621 0, 1,
622 _aac_probe_container1,
623 (void *) scsicmd);
624 /*
625 * Check that the command queued to the controller
626 */
627 if (status == -EINPROGRESS) {
628 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
629 return 0;
630 }
631 if (status < 0) {
632 scsicmd->SCp.ptr = NULL;
633 aac_fib_complete(fibptr);
634 aac_fib_free(fibptr);
635 }
636 }
637 if (status < 0) {
638 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
639 if (fsa_dev_ptr) {
640 fsa_dev_ptr += scmd_id(scsicmd);
641 if ((fsa_dev_ptr->valid & 1) == 0) {
642 fsa_dev_ptr->valid = 0;
643 return (*callback)(scsicmd);
644 }
645 }
646 }
647 return status;
648 }
649
650 /**
651 * aac_probe_container - query a logical volume
652 * @dev: device to query
653 * @cid: container identifier
654 *
655 * Queries the controller about the given volume. The volume information
656 * is updated in the struct fsa_dev_info structure rather than returned.
657 */
658 static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
659 {
660 scsicmd->device = NULL;
661 return 0;
662 }
663
664 int aac_probe_container(struct aac_dev *dev, int cid)
665 {
666 struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL);
667 struct scsi_device *scsidev = kmalloc(sizeof(*scsidev), GFP_KERNEL);
668 int status;
669
670 if (!scsicmd || !scsidev) {
671 kfree(scsicmd);
672 kfree(scsidev);
673 return -ENOMEM;
674 }
675 scsicmd->list.next = NULL;
676 scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))aac_probe_container_callback1;
677
678 scsicmd->device = scsidev;
679 scsidev->sdev_state = 0;
680 scsidev->id = cid;
681 scsidev->host = dev->scsi_host_ptr;
682
683 if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
684 while (scsicmd->device == scsidev)
685 schedule();
686 kfree(scsidev);
687 status = scsicmd->SCp.Status;
688 kfree(scsicmd);
689 return status;
690 }
691
692 /* Local Structure to set SCSI inquiry data strings */
693 struct scsi_inq {
694 char vid[8]; /* Vendor ID */
695 char pid[16]; /* Product ID */
696 char prl[4]; /* Product Revision Level */
697 };
698
699 /**
700 * InqStrCopy - string merge
701 * @a: string to copy from
702 * @b: string to copy to
703 *
704 * Copy a String from one location to another
705 * without copying \0
706 */
707
708 static void inqstrcpy(char *a, char *b)
709 {
710
711 while (*a != (char)0)
712 *b++ = *a++;
713 }
714
715 static char *container_types[] = {
716 "None",
717 "Volume",
718 "Mirror",
719 "Stripe",
720 "RAID5",
721 "SSRW",
722 "SSRO",
723 "Morph",
724 "Legacy",
725 "RAID4",
726 "RAID10",
727 "RAID00",
728 "V-MIRRORS",
729 "PSEUDO R4",
730 "RAID50",
731 "RAID5D",
732 "RAID5D0",
733 "RAID1E",
734 "RAID6",
735 "RAID60",
736 "Unknown"
737 };
738
739 char * get_container_type(unsigned tindex)
740 {
741 if (tindex >= ARRAY_SIZE(container_types))
742 tindex = ARRAY_SIZE(container_types) - 1;
743 return container_types[tindex];
744 }
745
746 /* Function: setinqstr
747 *
748 * Arguments: [1] pointer to void [1] int
749 *
750 * Purpose: Sets SCSI inquiry data strings for vendor, product
751 * and revision level. Allows strings to be set in platform dependent
752 * files instead of in OS dependent driver source.
753 */
754
755 static void setinqstr(struct aac_dev *dev, void *data, int tindex)
756 {
757 struct scsi_inq *str;
758
759 str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
760 memset(str, ' ', sizeof(*str));
761
762 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
763 char * cp = dev->supplement_adapter_info.AdapterTypeText;
764 int c;
765 if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C'))
766 inqstrcpy("SMC", str->vid);
767 else {
768 c = sizeof(str->vid);
769 while (*cp && *cp != ' ' && --c)
770 ++cp;
771 c = *cp;
772 *cp = '\0';
773 inqstrcpy (dev->supplement_adapter_info.AdapterTypeText,
774 str->vid);
775 *cp = c;
776 while (*cp && *cp != ' ')
777 ++cp;
778 }
779 while (*cp == ' ')
780 ++cp;
781 /* last six chars reserved for vol type */
782 c = 0;
783 if (strlen(cp) > sizeof(str->pid)) {
784 c = cp[sizeof(str->pid)];
785 cp[sizeof(str->pid)] = '\0';
786 }
787 inqstrcpy (cp, str->pid);
788 if (c)
789 cp[sizeof(str->pid)] = c;
790 } else {
791 struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
792
793 inqstrcpy (mp->vname, str->vid);
794 /* last six chars reserved for vol type */
795 inqstrcpy (mp->model, str->pid);
796 }
797
798 if (tindex < ARRAY_SIZE(container_types)){
799 char *findit = str->pid;
800
801 for ( ; *findit != ' '; findit++); /* walk till we find a space */
802 /* RAID is superfluous in the context of a RAID device */
803 if (memcmp(findit-4, "RAID", 4) == 0)
804 *(findit -= 4) = ' ';
805 if (((findit - str->pid) + strlen(container_types[tindex]))
806 < (sizeof(str->pid) + sizeof(str->prl)))
807 inqstrcpy (container_types[tindex], findit + 1);
808 }
809 inqstrcpy ("V1.0", str->prl);
810 }
811
812 static void get_container_serial_callback(void *context, struct fib * fibptr)
813 {
814 struct aac_get_serial_resp * get_serial_reply;
815 struct scsi_cmnd * scsicmd;
816
817 BUG_ON(fibptr == NULL);
818
819 scsicmd = (struct scsi_cmnd *) context;
820 if (!aac_valid_context(scsicmd, fibptr))
821 return;
822
823 get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr);
824 /* Failure is irrelevant, using default value instead */
825 if (le32_to_cpu(get_serial_reply->status) == CT_OK) {
826 char sp[13];
827 /* EVPD bit set */
828 sp[0] = INQD_PDT_DA;
829 sp[1] = scsicmd->cmnd[2];
830 sp[2] = 0;
831 sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
832 le32_to_cpu(get_serial_reply->uid));
833 scsi_sg_copy_from_buffer(scsicmd, sp, sizeof(sp));
834 }
835
836 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
837
838 aac_fib_complete(fibptr);
839 aac_fib_free(fibptr);
840 scsicmd->scsi_done(scsicmd);
841 }
842
843 /**
844 * aac_get_container_serial - get container serial, none blocking.
845 */
846 static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
847 {
848 int status;
849 struct aac_get_serial *dinfo;
850 struct fib * cmd_fibcontext;
851 struct aac_dev * dev;
852
853 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
854
855 if (!(cmd_fibcontext = aac_fib_alloc(dev)))
856 return -ENOMEM;
857
858 aac_fib_init(cmd_fibcontext);
859 dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext);
860
861 dinfo->command = cpu_to_le32(VM_ContainerConfig);
862 dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID);
863 dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
864
865 status = aac_fib_send(ContainerCommand,
866 cmd_fibcontext,
867 sizeof (struct aac_get_serial),
868 FsaNormal,
869 0, 1,
870 (fib_callback) get_container_serial_callback,
871 (void *) scsicmd);
872
873 /*
874 * Check that the command queued to the controller
875 */
876 if (status == -EINPROGRESS) {
877 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
878 return 0;
879 }
880
881 printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status);
882 aac_fib_complete(cmd_fibcontext);
883 aac_fib_free(cmd_fibcontext);
884 return -1;
885 }
886
887 /* Function: setinqserial
888 *
889 * Arguments: [1] pointer to void [1] int
890 *
891 * Purpose: Sets SCSI Unit Serial number.
892 * This is a fake. We should read a proper
893 * serial number from the container. <SuSE>But
894 * without docs it's quite hard to do it :-)
895 * So this will have to do in the meantime.</SuSE>
896 */
897
898 static int setinqserial(struct aac_dev *dev, void *data, int cid)
899 {
900 /*
901 * This breaks array migration.
902 */
903 return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X",
904 le32_to_cpu(dev->adapter_info.serial[0]), cid);
905 }
906
907 static inline void set_sense(struct sense_data *sense_data, u8 sense_key,
908 u8 sense_code, u8 a_sense_code, u8 bit_pointer, u16 field_pointer)
909 {
910 u8 *sense_buf = (u8 *)sense_data;
911 /* Sense data valid, err code 70h */
912 sense_buf[0] = 0x70; /* No info field */
913 sense_buf[1] = 0; /* Segment number, always zero */
914
915 sense_buf[2] = sense_key; /* Sense key */
916
917 sense_buf[12] = sense_code; /* Additional sense code */
918 sense_buf[13] = a_sense_code; /* Additional sense code qualifier */
919
920 if (sense_key == ILLEGAL_REQUEST) {
921 sense_buf[7] = 10; /* Additional sense length */
922
923 sense_buf[15] = bit_pointer;
924 /* Illegal parameter is in the parameter block */
925 if (sense_code == SENCODE_INVALID_CDB_FIELD)
926 sense_buf[15] |= 0xc0;/* Std sense key specific field */
927 /* Illegal parameter is in the CDB block */
928 sense_buf[16] = field_pointer >> 8; /* MSB */
929 sense_buf[17] = field_pointer; /* LSB */
930 } else
931 sense_buf[7] = 6; /* Additional sense length */
932 }
933
934 static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
935 {
936 if (lba & 0xffffffff00000000LL) {
937 int cid = scmd_id(cmd);
938 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
939 cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
940 SAM_STAT_CHECK_CONDITION;
941 set_sense(&dev->fsa_dev[cid].sense_data,
942 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
943 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
944 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
945 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
946 SCSI_SENSE_BUFFERSIZE));
947 cmd->scsi_done(cmd);
948 return 1;
949 }
950 return 0;
951 }
952
953 static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
954 {
955 return 0;
956 }
957
958 static void io_callback(void *context, struct fib * fibptr);
959
960 static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
961 {
962 u16 fibsize;
963 struct aac_raw_io *readcmd;
964 aac_fib_init(fib);
965 readcmd = (struct aac_raw_io *) fib_data(fib);
966 readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
967 readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
968 readcmd->count = cpu_to_le32(count<<9);
969 readcmd->cid = cpu_to_le16(scmd_id(cmd));
970 readcmd->flags = cpu_to_le16(IO_TYPE_READ);
971 readcmd->bpTotal = 0;
972 readcmd->bpComplete = 0;
973
974 aac_build_sgraw(cmd, &readcmd->sg);
975 fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
976 BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
977 /*
978 * Now send the Fib to the adapter
979 */
980 return aac_fib_send(ContainerRawIo,
981 fib,
982 fibsize,
983 FsaNormal,
984 0, 1,
985 (fib_callback) io_callback,
986 (void *) cmd);
987 }
988
989 static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
990 {
991 u16 fibsize;
992 struct aac_read64 *readcmd;
993 aac_fib_init(fib);
994 readcmd = (struct aac_read64 *) fib_data(fib);
995 readcmd->command = cpu_to_le32(VM_CtHostRead64);
996 readcmd->cid = cpu_to_le16(scmd_id(cmd));
997 readcmd->sector_count = cpu_to_le16(count);
998 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
999 readcmd->pad = 0;
1000 readcmd->flags = 0;
1001
1002 aac_build_sg64(cmd, &readcmd->sg);
1003 fibsize = sizeof(struct aac_read64) +
1004 ((le32_to_cpu(readcmd->sg.count) - 1) *
1005 sizeof (struct sgentry64));
1006 BUG_ON (fibsize > (fib->dev->max_fib_size -
1007 sizeof(struct aac_fibhdr)));
1008 /*
1009 * Now send the Fib to the adapter
1010 */
1011 return aac_fib_send(ContainerCommand64,
1012 fib,
1013 fibsize,
1014 FsaNormal,
1015 0, 1,
1016 (fib_callback) io_callback,
1017 (void *) cmd);
1018 }
1019
1020 static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1021 {
1022 u16 fibsize;
1023 struct aac_read *readcmd;
1024 aac_fib_init(fib);
1025 readcmd = (struct aac_read *) fib_data(fib);
1026 readcmd->command = cpu_to_le32(VM_CtBlockRead);
1027 readcmd->cid = cpu_to_le32(scmd_id(cmd));
1028 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1029 readcmd->count = cpu_to_le32(count * 512);
1030
1031 aac_build_sg(cmd, &readcmd->sg);
1032 fibsize = sizeof(struct aac_read) +
1033 ((le32_to_cpu(readcmd->sg.count) - 1) *
1034 sizeof (struct sgentry));
1035 BUG_ON (fibsize > (fib->dev->max_fib_size -
1036 sizeof(struct aac_fibhdr)));
1037 /*
1038 * Now send the Fib to the adapter
1039 */
1040 return aac_fib_send(ContainerCommand,
1041 fib,
1042 fibsize,
1043 FsaNormal,
1044 0, 1,
1045 (fib_callback) io_callback,
1046 (void *) cmd);
1047 }
1048
1049 static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1050 {
1051 u16 fibsize;
1052 struct aac_raw_io *writecmd;
1053 aac_fib_init(fib);
1054 writecmd = (struct aac_raw_io *) fib_data(fib);
1055 writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1056 writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1057 writecmd->count = cpu_to_le32(count<<9);
1058 writecmd->cid = cpu_to_le16(scmd_id(cmd));
1059 writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
1060 (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1061 cpu_to_le16(IO_TYPE_WRITE|IO_SUREWRITE) :
1062 cpu_to_le16(IO_TYPE_WRITE);
1063 writecmd->bpTotal = 0;
1064 writecmd->bpComplete = 0;
1065
1066 aac_build_sgraw(cmd, &writecmd->sg);
1067 fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
1068 BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1069 /*
1070 * Now send the Fib to the adapter
1071 */
1072 return aac_fib_send(ContainerRawIo,
1073 fib,
1074 fibsize,
1075 FsaNormal,
1076 0, 1,
1077 (fib_callback) io_callback,
1078 (void *) cmd);
1079 }
1080
1081 static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1082 {
1083 u16 fibsize;
1084 struct aac_write64 *writecmd;
1085 aac_fib_init(fib);
1086 writecmd = (struct aac_write64 *) fib_data(fib);
1087 writecmd->command = cpu_to_le32(VM_CtHostWrite64);
1088 writecmd->cid = cpu_to_le16(scmd_id(cmd));
1089 writecmd->sector_count = cpu_to_le16(count);
1090 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1091 writecmd->pad = 0;
1092 writecmd->flags = 0;
1093
1094 aac_build_sg64(cmd, &writecmd->sg);
1095 fibsize = sizeof(struct aac_write64) +
1096 ((le32_to_cpu(writecmd->sg.count) - 1) *
1097 sizeof (struct sgentry64));
1098 BUG_ON (fibsize > (fib->dev->max_fib_size -
1099 sizeof(struct aac_fibhdr)));
1100 /*
1101 * Now send the Fib to the adapter
1102 */
1103 return aac_fib_send(ContainerCommand64,
1104 fib,
1105 fibsize,
1106 FsaNormal,
1107 0, 1,
1108 (fib_callback) io_callback,
1109 (void *) cmd);
1110 }
1111
1112 static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1113 {
1114 u16 fibsize;
1115 struct aac_write *writecmd;
1116 aac_fib_init(fib);
1117 writecmd = (struct aac_write *) fib_data(fib);
1118 writecmd->command = cpu_to_le32(VM_CtBlockWrite);
1119 writecmd->cid = cpu_to_le32(scmd_id(cmd));
1120 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1121 writecmd->count = cpu_to_le32(count * 512);
1122 writecmd->sg.count = cpu_to_le32(1);
1123 /* ->stable is not used - it did mean which type of write */
1124
1125 aac_build_sg(cmd, &writecmd->sg);
1126 fibsize = sizeof(struct aac_write) +
1127 ((le32_to_cpu(writecmd->sg.count) - 1) *
1128 sizeof (struct sgentry));
1129 BUG_ON (fibsize > (fib->dev->max_fib_size -
1130 sizeof(struct aac_fibhdr)));
1131 /*
1132 * Now send the Fib to the adapter
1133 */
1134 return aac_fib_send(ContainerCommand,
1135 fib,
1136 fibsize,
1137 FsaNormal,
1138 0, 1,
1139 (fib_callback) io_callback,
1140 (void *) cmd);
1141 }
1142
1143 static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
1144 {
1145 struct aac_srb * srbcmd;
1146 u32 flag;
1147 u32 timeout;
1148
1149 aac_fib_init(fib);
1150 switch(cmd->sc_data_direction){
1151 case DMA_TO_DEVICE:
1152 flag = SRB_DataOut;
1153 break;
1154 case DMA_BIDIRECTIONAL:
1155 flag = SRB_DataIn | SRB_DataOut;
1156 break;
1157 case DMA_FROM_DEVICE:
1158 flag = SRB_DataIn;
1159 break;
1160 case DMA_NONE:
1161 default: /* shuts up some versions of gcc */
1162 flag = SRB_NoDataXfer;
1163 break;
1164 }
1165
1166 srbcmd = (struct aac_srb*) fib_data(fib);
1167 srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1168 srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1169 srbcmd->id = cpu_to_le32(scmd_id(cmd));
1170 srbcmd->lun = cpu_to_le32(cmd->device->lun);
1171 srbcmd->flags = cpu_to_le32(flag);
1172 timeout = cmd->request->timeout/HZ;
1173 if (timeout == 0)
1174 timeout = 1;
1175 srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds
1176 srbcmd->retry_limit = 0; /* Obsolete parameter */
1177 srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1178 return srbcmd;
1179 }
1180
1181 static void aac_srb_callback(void *context, struct fib * fibptr);
1182
1183 static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1184 {
1185 u16 fibsize;
1186 struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1187
1188 aac_build_sg64(cmd, (struct sgmap64*) &srbcmd->sg);
1189 srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1190
1191 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1192 memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1193 /*
1194 * Build Scatter/Gather list
1195 */
1196 fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1197 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1198 sizeof (struct sgentry64));
1199 BUG_ON (fibsize > (fib->dev->max_fib_size -
1200 sizeof(struct aac_fibhdr)));
1201
1202 /*
1203 * Now send the Fib to the adapter
1204 */
1205 return aac_fib_send(ScsiPortCommand64, fib,
1206 fibsize, FsaNormal, 0, 1,
1207 (fib_callback) aac_srb_callback,
1208 (void *) cmd);
1209 }
1210
1211 static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1212 {
1213 u16 fibsize;
1214 struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1215
1216 aac_build_sg(cmd, (struct sgmap*)&srbcmd->sg);
1217 srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1218
1219 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1220 memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1221 /*
1222 * Build Scatter/Gather list
1223 */
1224 fibsize = sizeof (struct aac_srb) +
1225 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1226 sizeof (struct sgentry));
1227 BUG_ON (fibsize > (fib->dev->max_fib_size -
1228 sizeof(struct aac_fibhdr)));
1229
1230 /*
1231 * Now send the Fib to the adapter
1232 */
1233 return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1234 (fib_callback) aac_srb_callback, (void *) cmd);
1235 }
1236
1237 static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd)
1238 {
1239 if ((sizeof(dma_addr_t) > 4) && fib->dev->needs_dac &&
1240 (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64))
1241 return FAILED;
1242 return aac_scsi_32(fib, cmd);
1243 }
1244
1245 int aac_get_adapter_info(struct aac_dev* dev)
1246 {
1247 struct fib* fibptr;
1248 int rcode;
1249 u32 tmp;
1250 struct aac_adapter_info *info;
1251 struct aac_bus_info *command;
1252 struct aac_bus_info_response *bus_info;
1253
1254 if (!(fibptr = aac_fib_alloc(dev)))
1255 return -ENOMEM;
1256
1257 aac_fib_init(fibptr);
1258 info = (struct aac_adapter_info *) fib_data(fibptr);
1259 memset(info,0,sizeof(*info));
1260
1261 rcode = aac_fib_send(RequestAdapterInfo,
1262 fibptr,
1263 sizeof(*info),
1264 FsaNormal,
1265 -1, 1, /* First `interrupt' command uses special wait */
1266 NULL,
1267 NULL);
1268
1269 if (rcode < 0) {
1270 /* FIB should be freed only after
1271 * getting the response from the F/W */
1272 if (rcode != -ERESTARTSYS) {
1273 aac_fib_complete(fibptr);
1274 aac_fib_free(fibptr);
1275 }
1276 return rcode;
1277 }
1278 memcpy(&dev->adapter_info, info, sizeof(*info));
1279
1280 if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
1281 struct aac_supplement_adapter_info * sinfo;
1282
1283 aac_fib_init(fibptr);
1284
1285 sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr);
1286
1287 memset(sinfo,0,sizeof(*sinfo));
1288
1289 rcode = aac_fib_send(RequestSupplementAdapterInfo,
1290 fibptr,
1291 sizeof(*sinfo),
1292 FsaNormal,
1293 1, 1,
1294 NULL,
1295 NULL);
1296
1297 if (rcode >= 0)
1298 memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo));
1299 if (rcode == -ERESTARTSYS) {
1300 fibptr = aac_fib_alloc(dev);
1301 if (!fibptr)
1302 return -ENOMEM;
1303 }
1304
1305 }
1306
1307
1308 /*
1309 * GetBusInfo
1310 */
1311
1312 aac_fib_init(fibptr);
1313
1314 bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
1315
1316 memset(bus_info, 0, sizeof(*bus_info));
1317
1318 command = (struct aac_bus_info *)bus_info;
1319
1320 command->Command = cpu_to_le32(VM_Ioctl);
1321 command->ObjType = cpu_to_le32(FT_DRIVE);
1322 command->MethodId = cpu_to_le32(1);
1323 command->CtlCmd = cpu_to_le32(GetBusInfo);
1324
1325 rcode = aac_fib_send(ContainerCommand,
1326 fibptr,
1327 sizeof (*bus_info),
1328 FsaNormal,
1329 1, 1,
1330 NULL, NULL);
1331
1332 /* reasoned default */
1333 dev->maximum_num_physicals = 16;
1334 if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
1335 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
1336 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
1337 }
1338
1339 if (!dev->in_reset) {
1340 char buffer[16];
1341 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1342 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
1343 dev->name,
1344 dev->id,
1345 tmp>>24,
1346 (tmp>>16)&0xff,
1347 tmp&0xff,
1348 le32_to_cpu(dev->adapter_info.kernelbuild),
1349 (int)sizeof(dev->supplement_adapter_info.BuildDate),
1350 dev->supplement_adapter_info.BuildDate);
1351 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1352 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
1353 dev->name, dev->id,
1354 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1355 le32_to_cpu(dev->adapter_info.monitorbuild));
1356 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1357 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
1358 dev->name, dev->id,
1359 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1360 le32_to_cpu(dev->adapter_info.biosbuild));
1361 buffer[0] = '\0';
1362 if (aac_get_serial_number(
1363 shost_to_class(dev->scsi_host_ptr), buffer))
1364 printk(KERN_INFO "%s%d: serial %s",
1365 dev->name, dev->id, buffer);
1366 if (dev->supplement_adapter_info.VpdInfo.Tsid[0]) {
1367 printk(KERN_INFO "%s%d: TSID %.*s\n",
1368 dev->name, dev->id,
1369 (int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid),
1370 dev->supplement_adapter_info.VpdInfo.Tsid);
1371 }
1372 if (!aac_check_reset || ((aac_check_reset == 1) &&
1373 (dev->supplement_adapter_info.SupportedOptions2 &
1374 AAC_OPTION_IGNORE_RESET))) {
1375 printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
1376 dev->name, dev->id);
1377 }
1378 }
1379
1380 dev->cache_protected = 0;
1381 dev->jbod = ((dev->supplement_adapter_info.FeatureBits &
1382 AAC_FEATURE_JBOD) != 0);
1383 dev->nondasd_support = 0;
1384 dev->raid_scsi_mode = 0;
1385 if(dev->adapter_info.options & AAC_OPT_NONDASD)
1386 dev->nondasd_support = 1;
1387
1388 /*
1389 * If the firmware supports ROMB RAID/SCSI mode and we are currently
1390 * in RAID/SCSI mode, set the flag. For now if in this mode we will
1391 * force nondasd support on. If we decide to allow the non-dasd flag
1392 * additional changes changes will have to be made to support
1393 * RAID/SCSI. the function aac_scsi_cmd in this module will have to be
1394 * changed to support the new dev->raid_scsi_mode flag instead of
1395 * leaching off of the dev->nondasd_support flag. Also in linit.c the
1396 * function aac_detect will have to be modified where it sets up the
1397 * max number of channels based on the aac->nondasd_support flag only.
1398 */
1399 if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
1400 (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
1401 dev->nondasd_support = 1;
1402 dev->raid_scsi_mode = 1;
1403 }
1404 if (dev->raid_scsi_mode != 0)
1405 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
1406 dev->name, dev->id);
1407
1408 if (nondasd != -1)
1409 dev->nondasd_support = (nondasd!=0);
1410 if (dev->nondasd_support && !dev->in_reset)
1411 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
1412
1413 if (dma_get_required_mask(&dev->pdev->dev) > DMA_BIT_MASK(32))
1414 dev->needs_dac = 1;
1415 dev->dac_support = 0;
1416 if ((sizeof(dma_addr_t) > 4) && dev->needs_dac &&
1417 (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) {
1418 if (!dev->in_reset)
1419 printk(KERN_INFO "%s%d: 64bit support enabled.\n",
1420 dev->name, dev->id);
1421 dev->dac_support = 1;
1422 }
1423
1424 if(dacmode != -1) {
1425 dev->dac_support = (dacmode!=0);
1426 }
1427
1428 /* avoid problems with AAC_QUIRK_SCSI_32 controllers */
1429 if (dev->dac_support && (aac_get_driver_ident(dev->cardtype)->quirks
1430 & AAC_QUIRK_SCSI_32)) {
1431 dev->nondasd_support = 0;
1432 dev->jbod = 0;
1433 expose_physicals = 0;
1434 }
1435
1436 if(dev->dac_support != 0) {
1437 if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(64)) &&
1438 !pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(64))) {
1439 if (!dev->in_reset)
1440 printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
1441 dev->name, dev->id);
1442 } else if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(32)) &&
1443 !pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(32))) {
1444 printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
1445 dev->name, dev->id);
1446 dev->dac_support = 0;
1447 } else {
1448 printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
1449 dev->name, dev->id);
1450 rcode = -ENOMEM;
1451 }
1452 }
1453 /*
1454 * Deal with configuring for the individualized limits of each packet
1455 * interface.
1456 */
1457 dev->a_ops.adapter_scsi = (dev->dac_support)
1458 ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32)
1459 ? aac_scsi_32_64
1460 : aac_scsi_64)
1461 : aac_scsi_32;
1462 if (dev->raw_io_interface) {
1463 dev->a_ops.adapter_bounds = (dev->raw_io_64)
1464 ? aac_bounds_64
1465 : aac_bounds_32;
1466 dev->a_ops.adapter_read = aac_read_raw_io;
1467 dev->a_ops.adapter_write = aac_write_raw_io;
1468 } else {
1469 dev->a_ops.adapter_bounds = aac_bounds_32;
1470 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
1471 sizeof(struct aac_fibhdr) -
1472 sizeof(struct aac_write) + sizeof(struct sgentry)) /
1473 sizeof(struct sgentry);
1474 if (dev->dac_support) {
1475 dev->a_ops.adapter_read = aac_read_block64;
1476 dev->a_ops.adapter_write = aac_write_block64;
1477 /*
1478 * 38 scatter gather elements
1479 */
1480 dev->scsi_host_ptr->sg_tablesize =
1481 (dev->max_fib_size -
1482 sizeof(struct aac_fibhdr) -
1483 sizeof(struct aac_write64) +
1484 sizeof(struct sgentry64)) /
1485 sizeof(struct sgentry64);
1486 } else {
1487 dev->a_ops.adapter_read = aac_read_block;
1488 dev->a_ops.adapter_write = aac_write_block;
1489 }
1490 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
1491 if (dev->adapter_info.options & AAC_OPT_NEW_COMM_TYPE1)
1492 dev->adapter_info.options |= AAC_OPT_NEW_COMM;
1493 if (!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
1494 /*
1495 * Worst case size that could cause sg overflow when
1496 * we break up SG elements that are larger than 64KB.
1497 * Would be nice if we could tell the SCSI layer what
1498 * the maximum SG element size can be. Worst case is
1499 * (sg_tablesize-1) 4KB elements with one 64KB
1500 * element.
1501 * 32bit -> 468 or 238KB 64bit -> 424 or 212KB
1502 */
1503 dev->scsi_host_ptr->max_sectors =
1504 (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
1505 }
1506 }
1507 /* FIB should be freed only after getting the response from the F/W */
1508 if (rcode != -ERESTARTSYS) {
1509 aac_fib_complete(fibptr);
1510 aac_fib_free(fibptr);
1511 }
1512
1513 return rcode;
1514 }
1515
1516
1517 static void io_callback(void *context, struct fib * fibptr)
1518 {
1519 struct aac_dev *dev;
1520 struct aac_read_reply *readreply;
1521 struct scsi_cmnd *scsicmd;
1522 u32 cid;
1523
1524 scsicmd = (struct scsi_cmnd *) context;
1525
1526 if (!aac_valid_context(scsicmd, fibptr))
1527 return;
1528
1529 dev = fibptr->dev;
1530 cid = scmd_id(scsicmd);
1531
1532 if (nblank(dprintk(x))) {
1533 u64 lba;
1534 switch (scsicmd->cmnd[0]) {
1535 case WRITE_6:
1536 case READ_6:
1537 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1538 (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1539 break;
1540 case WRITE_16:
1541 case READ_16:
1542 lba = ((u64)scsicmd->cmnd[2] << 56) |
1543 ((u64)scsicmd->cmnd[3] << 48) |
1544 ((u64)scsicmd->cmnd[4] << 40) |
1545 ((u64)scsicmd->cmnd[5] << 32) |
1546 ((u64)scsicmd->cmnd[6] << 24) |
1547 (scsicmd->cmnd[7] << 16) |
1548 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1549 break;
1550 case WRITE_12:
1551 case READ_12:
1552 lba = ((u64)scsicmd->cmnd[2] << 24) |
1553 (scsicmd->cmnd[3] << 16) |
1554 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1555 break;
1556 default:
1557 lba = ((u64)scsicmd->cmnd[2] << 24) |
1558 (scsicmd->cmnd[3] << 16) |
1559 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1560 break;
1561 }
1562 printk(KERN_DEBUG
1563 "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
1564 smp_processor_id(), (unsigned long long)lba, jiffies);
1565 }
1566
1567 BUG_ON(fibptr == NULL);
1568
1569 scsi_dma_unmap(scsicmd);
1570
1571 readreply = (struct aac_read_reply *)fib_data(fibptr);
1572 switch (le32_to_cpu(readreply->status)) {
1573 case ST_OK:
1574 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1575 SAM_STAT_GOOD;
1576 dev->fsa_dev[cid].sense_data.sense_key = NO_SENSE;
1577 break;
1578 case ST_NOT_READY:
1579 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1580 SAM_STAT_CHECK_CONDITION;
1581 set_sense(&dev->fsa_dev[cid].sense_data, NOT_READY,
1582 SENCODE_BECOMING_READY, ASENCODE_BECOMING_READY, 0, 0);
1583 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1584 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1585 SCSI_SENSE_BUFFERSIZE));
1586 break;
1587 default:
1588 #ifdef AAC_DETAILED_STATUS_INFO
1589 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
1590 le32_to_cpu(readreply->status));
1591 #endif
1592 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1593 SAM_STAT_CHECK_CONDITION;
1594 set_sense(&dev->fsa_dev[cid].sense_data,
1595 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1596 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1597 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1598 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1599 SCSI_SENSE_BUFFERSIZE));
1600 break;
1601 }
1602 aac_fib_complete(fibptr);
1603 aac_fib_free(fibptr);
1604
1605 scsicmd->scsi_done(scsicmd);
1606 }
1607
1608 static int aac_read(struct scsi_cmnd * scsicmd)
1609 {
1610 u64 lba;
1611 u32 count;
1612 int status;
1613 struct aac_dev *dev;
1614 struct fib * cmd_fibcontext;
1615 int cid;
1616
1617 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1618 /*
1619 * Get block address and transfer length
1620 */
1621 switch (scsicmd->cmnd[0]) {
1622 case READ_6:
1623 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
1624
1625 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1626 (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1627 count = scsicmd->cmnd[4];
1628
1629 if (count == 0)
1630 count = 256;
1631 break;
1632 case READ_16:
1633 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
1634
1635 lba = ((u64)scsicmd->cmnd[2] << 56) |
1636 ((u64)scsicmd->cmnd[3] << 48) |
1637 ((u64)scsicmd->cmnd[4] << 40) |
1638 ((u64)scsicmd->cmnd[5] << 32) |
1639 ((u64)scsicmd->cmnd[6] << 24) |
1640 (scsicmd->cmnd[7] << 16) |
1641 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1642 count = (scsicmd->cmnd[10] << 24) |
1643 (scsicmd->cmnd[11] << 16) |
1644 (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1645 break;
1646 case READ_12:
1647 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
1648
1649 lba = ((u64)scsicmd->cmnd[2] << 24) |
1650 (scsicmd->cmnd[3] << 16) |
1651 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1652 count = (scsicmd->cmnd[6] << 24) |
1653 (scsicmd->cmnd[7] << 16) |
1654 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1655 break;
1656 default:
1657 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
1658
1659 lba = ((u64)scsicmd->cmnd[2] << 24) |
1660 (scsicmd->cmnd[3] << 16) |
1661 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1662 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1663 break;
1664 }
1665
1666 if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
1667 cid = scmd_id(scsicmd);
1668 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
1669 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1670 SAM_STAT_CHECK_CONDITION;
1671 set_sense(&dev->fsa_dev[cid].sense_data,
1672 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1673 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1674 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1675 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1676 SCSI_SENSE_BUFFERSIZE));
1677 scsicmd->scsi_done(scsicmd);
1678 return 1;
1679 }
1680
1681 dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
1682 smp_processor_id(), (unsigned long long)lba, jiffies));
1683 if (aac_adapter_bounds(dev,scsicmd,lba))
1684 return 0;
1685 /*
1686 * Alocate and initialize a Fib
1687 */
1688 if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1689 printk(KERN_WARNING "aac_read: fib allocation failed\n");
1690 return -1;
1691 }
1692
1693 status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
1694
1695 /*
1696 * Check that the command queued to the controller
1697 */
1698 if (status == -EINPROGRESS) {
1699 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1700 return 0;
1701 }
1702
1703 printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
1704 /*
1705 * For some reason, the Fib didn't queue, return QUEUE_FULL
1706 */
1707 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1708 scsicmd->scsi_done(scsicmd);
1709 aac_fib_complete(cmd_fibcontext);
1710 aac_fib_free(cmd_fibcontext);
1711 return 0;
1712 }
1713
1714 static int aac_write(struct scsi_cmnd * scsicmd)
1715 {
1716 u64 lba;
1717 u32 count;
1718 int fua;
1719 int status;
1720 struct aac_dev *dev;
1721 struct fib * cmd_fibcontext;
1722 int cid;
1723
1724 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1725 /*
1726 * Get block address and transfer length
1727 */
1728 if (scsicmd->cmnd[0] == WRITE_6) /* 6 byte command */
1729 {
1730 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1731 count = scsicmd->cmnd[4];
1732 if (count == 0)
1733 count = 256;
1734 fua = 0;
1735 } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
1736 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
1737
1738 lba = ((u64)scsicmd->cmnd[2] << 56) |
1739 ((u64)scsicmd->cmnd[3] << 48) |
1740 ((u64)scsicmd->cmnd[4] << 40) |
1741 ((u64)scsicmd->cmnd[5] << 32) |
1742 ((u64)scsicmd->cmnd[6] << 24) |
1743 (scsicmd->cmnd[7] << 16) |
1744 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1745 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
1746 (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1747 fua = scsicmd->cmnd[1] & 0x8;
1748 } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
1749 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
1750
1751 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
1752 | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1753 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
1754 | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1755 fua = scsicmd->cmnd[1] & 0x8;
1756 } else {
1757 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
1758 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1759 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1760 fua = scsicmd->cmnd[1] & 0x8;
1761 }
1762
1763 if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
1764 cid = scmd_id(scsicmd);
1765 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
1766 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1767 SAM_STAT_CHECK_CONDITION;
1768 set_sense(&dev->fsa_dev[cid].sense_data,
1769 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1770 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1771 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1772 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1773 SCSI_SENSE_BUFFERSIZE));
1774 scsicmd->scsi_done(scsicmd);
1775 return 1;
1776 }
1777
1778 dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
1779 smp_processor_id(), (unsigned long long)lba, jiffies));
1780 if (aac_adapter_bounds(dev,scsicmd,lba))
1781 return 0;
1782 /*
1783 * Allocate and initialize a Fib then setup a BlockWrite command
1784 */
1785 if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1786 /* FIB temporarily unavailable,not catastrophic failure */
1787
1788 /* scsicmd->result = DID_ERROR << 16;
1789 * scsicmd->scsi_done(scsicmd);
1790 * return 0;
1791 */
1792 printk(KERN_WARNING "aac_write: fib allocation failed\n");
1793 return -1;
1794 }
1795
1796 status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
1797
1798 /*
1799 * Check that the command queued to the controller
1800 */
1801 if (status == -EINPROGRESS) {
1802 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1803 return 0;
1804 }
1805
1806 printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
1807 /*
1808 * For some reason, the Fib didn't queue, return QUEUE_FULL
1809 */
1810 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1811 scsicmd->scsi_done(scsicmd);
1812
1813 aac_fib_complete(cmd_fibcontext);
1814 aac_fib_free(cmd_fibcontext);
1815 return 0;
1816 }
1817
1818 static void synchronize_callback(void *context, struct fib *fibptr)
1819 {
1820 struct aac_synchronize_reply *synchronizereply;
1821 struct scsi_cmnd *cmd;
1822
1823 cmd = context;
1824
1825 if (!aac_valid_context(cmd, fibptr))
1826 return;
1827
1828 dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
1829 smp_processor_id(), jiffies));
1830 BUG_ON(fibptr == NULL);
1831
1832
1833 synchronizereply = fib_data(fibptr);
1834 if (le32_to_cpu(synchronizereply->status) == CT_OK)
1835 cmd->result = DID_OK << 16 |
1836 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1837 else {
1838 struct scsi_device *sdev = cmd->device;
1839 struct aac_dev *dev = fibptr->dev;
1840 u32 cid = sdev_id(sdev);
1841 printk(KERN_WARNING
1842 "synchronize_callback: synchronize failed, status = %d\n",
1843 le32_to_cpu(synchronizereply->status));
1844 cmd->result = DID_OK << 16 |
1845 COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1846 set_sense(&dev->fsa_dev[cid].sense_data,
1847 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1848 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1849 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1850 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1851 SCSI_SENSE_BUFFERSIZE));
1852 }
1853
1854 aac_fib_complete(fibptr);
1855 aac_fib_free(fibptr);
1856 cmd->scsi_done(cmd);
1857 }
1858
1859 static int aac_synchronize(struct scsi_cmnd *scsicmd)
1860 {
1861 int status;
1862 struct fib *cmd_fibcontext;
1863 struct aac_synchronize *synchronizecmd;
1864 struct scsi_cmnd *cmd;
1865 struct scsi_device *sdev = scsicmd->device;
1866 int active = 0;
1867 struct aac_dev *aac;
1868 u64 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) |
1869 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1870 u32 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1871 unsigned long flags;
1872
1873 /*
1874 * Wait for all outstanding queued commands to complete to this
1875 * specific target (block).
1876 */
1877 spin_lock_irqsave(&sdev->list_lock, flags);
1878 list_for_each_entry(cmd, &sdev->cmd_list, list)
1879 if (cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
1880 u64 cmnd_lba;
1881 u32 cmnd_count;
1882
1883 if (cmd->cmnd[0] == WRITE_6) {
1884 cmnd_lba = ((cmd->cmnd[1] & 0x1F) << 16) |
1885 (cmd->cmnd[2] << 8) |
1886 cmd->cmnd[3];
1887 cmnd_count = cmd->cmnd[4];
1888 if (cmnd_count == 0)
1889 cmnd_count = 256;
1890 } else if (cmd->cmnd[0] == WRITE_16) {
1891 cmnd_lba = ((u64)cmd->cmnd[2] << 56) |
1892 ((u64)cmd->cmnd[3] << 48) |
1893 ((u64)cmd->cmnd[4] << 40) |
1894 ((u64)cmd->cmnd[5] << 32) |
1895 ((u64)cmd->cmnd[6] << 24) |
1896 (cmd->cmnd[7] << 16) |
1897 (cmd->cmnd[8] << 8) |
1898 cmd->cmnd[9];
1899 cmnd_count = (cmd->cmnd[10] << 24) |
1900 (cmd->cmnd[11] << 16) |
1901 (cmd->cmnd[12] << 8) |
1902 cmd->cmnd[13];
1903 } else if (cmd->cmnd[0] == WRITE_12) {
1904 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
1905 (cmd->cmnd[3] << 16) |
1906 (cmd->cmnd[4] << 8) |
1907 cmd->cmnd[5];
1908 cmnd_count = (cmd->cmnd[6] << 24) |
1909 (cmd->cmnd[7] << 16) |
1910 (cmd->cmnd[8] << 8) |
1911 cmd->cmnd[9];
1912 } else if (cmd->cmnd[0] == WRITE_10) {
1913 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
1914 (cmd->cmnd[3] << 16) |
1915 (cmd->cmnd[4] << 8) |
1916 cmd->cmnd[5];
1917 cmnd_count = (cmd->cmnd[7] << 8) |
1918 cmd->cmnd[8];
1919 } else
1920 continue;
1921 if (((cmnd_lba + cmnd_count) < lba) ||
1922 (count && ((lba + count) < cmnd_lba)))
1923 continue;
1924 ++active;
1925 break;
1926 }
1927
1928 spin_unlock_irqrestore(&sdev->list_lock, flags);
1929
1930 /*
1931 * Yield the processor (requeue for later)
1932 */
1933 if (active)
1934 return SCSI_MLQUEUE_DEVICE_BUSY;
1935
1936 aac = (struct aac_dev *)sdev->host->hostdata;
1937 if (aac->in_reset)
1938 return SCSI_MLQUEUE_HOST_BUSY;
1939
1940 /*
1941 * Allocate and initialize a Fib
1942 */
1943 if (!(cmd_fibcontext = aac_fib_alloc(aac)))
1944 return SCSI_MLQUEUE_HOST_BUSY;
1945
1946 aac_fib_init(cmd_fibcontext);
1947
1948 synchronizecmd = fib_data(cmd_fibcontext);
1949 synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
1950 synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
1951 synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
1952 synchronizecmd->count =
1953 cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
1954
1955 /*
1956 * Now send the Fib to the adapter
1957 */
1958 status = aac_fib_send(ContainerCommand,
1959 cmd_fibcontext,
1960 sizeof(struct aac_synchronize),
1961 FsaNormal,
1962 0, 1,
1963 (fib_callback)synchronize_callback,
1964 (void *)scsicmd);
1965
1966 /*
1967 * Check that the command queued to the controller
1968 */
1969 if (status == -EINPROGRESS) {
1970 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1971 return 0;
1972 }
1973
1974 printk(KERN_WARNING
1975 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
1976 aac_fib_complete(cmd_fibcontext);
1977 aac_fib_free(cmd_fibcontext);
1978 return SCSI_MLQUEUE_HOST_BUSY;
1979 }
1980
1981 static void aac_start_stop_callback(void *context, struct fib *fibptr)
1982 {
1983 struct scsi_cmnd *scsicmd = context;
1984
1985 if (!aac_valid_context(scsicmd, fibptr))
1986 return;
1987
1988 BUG_ON(fibptr == NULL);
1989
1990 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1991
1992 aac_fib_complete(fibptr);
1993 aac_fib_free(fibptr);
1994 scsicmd->scsi_done(scsicmd);
1995 }
1996
1997 static int aac_start_stop(struct scsi_cmnd *scsicmd)
1998 {
1999 int status;
2000 struct fib *cmd_fibcontext;
2001 struct aac_power_management *pmcmd;
2002 struct scsi_device *sdev = scsicmd->device;
2003 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
2004
2005 if (!(aac->supplement_adapter_info.SupportedOptions2 &
2006 AAC_OPTION_POWER_MANAGEMENT)) {
2007 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2008 SAM_STAT_GOOD;
2009 scsicmd->scsi_done(scsicmd);
2010 return 0;
2011 }
2012
2013 if (aac->in_reset)
2014 return SCSI_MLQUEUE_HOST_BUSY;
2015
2016 /*
2017 * Allocate and initialize a Fib
2018 */
2019 cmd_fibcontext = aac_fib_alloc(aac);
2020 if (!cmd_fibcontext)
2021 return SCSI_MLQUEUE_HOST_BUSY;
2022
2023 aac_fib_init(cmd_fibcontext);
2024
2025 pmcmd = fib_data(cmd_fibcontext);
2026 pmcmd->command = cpu_to_le32(VM_ContainerConfig);
2027 pmcmd->type = cpu_to_le32(CT_POWER_MANAGEMENT);
2028 /* Eject bit ignored, not relevant */
2029 pmcmd->sub = (scsicmd->cmnd[4] & 1) ?
2030 cpu_to_le32(CT_PM_START_UNIT) : cpu_to_le32(CT_PM_STOP_UNIT);
2031 pmcmd->cid = cpu_to_le32(sdev_id(sdev));
2032 pmcmd->parm = (scsicmd->cmnd[1] & 1) ?
2033 cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0;
2034
2035 /*
2036 * Now send the Fib to the adapter
2037 */
2038 status = aac_fib_send(ContainerCommand,
2039 cmd_fibcontext,
2040 sizeof(struct aac_power_management),
2041 FsaNormal,
2042 0, 1,
2043 (fib_callback)aac_start_stop_callback,
2044 (void *)scsicmd);
2045
2046 /*
2047 * Check that the command queued to the controller
2048 */
2049 if (status == -EINPROGRESS) {
2050 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2051 return 0;
2052 }
2053
2054 aac_fib_complete(cmd_fibcontext);
2055 aac_fib_free(cmd_fibcontext);
2056 return SCSI_MLQUEUE_HOST_BUSY;
2057 }
2058
2059 /**
2060 * aac_scsi_cmd() - Process SCSI command
2061 * @scsicmd: SCSI command block
2062 *
2063 * Emulate a SCSI command and queue the required request for the
2064 * aacraid firmware.
2065 */
2066
2067 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
2068 {
2069 u32 cid;
2070 struct Scsi_Host *host = scsicmd->device->host;
2071 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
2072 struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
2073
2074 if (fsa_dev_ptr == NULL)
2075 return -1;
2076 /*
2077 * If the bus, id or lun is out of range, return fail
2078 * Test does not apply to ID 16, the pseudo id for the controller
2079 * itself.
2080 */
2081 cid = scmd_id(scsicmd);
2082 if (cid != host->this_id) {
2083 if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
2084 if((cid >= dev->maximum_num_containers) ||
2085 (scsicmd->device->lun != 0)) {
2086 scsicmd->result = DID_NO_CONNECT << 16;
2087 scsicmd->scsi_done(scsicmd);
2088 return 0;
2089 }
2090
2091 /*
2092 * If the target container doesn't exist, it may have
2093 * been newly created
2094 */
2095 if (((fsa_dev_ptr[cid].valid & 1) == 0) ||
2096 (fsa_dev_ptr[cid].sense_data.sense_key ==
2097 NOT_READY)) {
2098 switch (scsicmd->cmnd[0]) {
2099 case SERVICE_ACTION_IN:
2100 if (!(dev->raw_io_interface) ||
2101 !(dev->raw_io_64) ||
2102 ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2103 break;
2104 case INQUIRY:
2105 case READ_CAPACITY:
2106 case TEST_UNIT_READY:
2107 if (dev->in_reset)
2108 return -1;
2109 return _aac_probe_container(scsicmd,
2110 aac_probe_container_callback2);
2111 default:
2112 break;
2113 }
2114 }
2115 } else { /* check for physical non-dasd devices */
2116 if (dev->nondasd_support || expose_physicals ||
2117 dev->jbod) {
2118 if (dev->in_reset)
2119 return -1;
2120 return aac_send_srb_fib(scsicmd);
2121 } else {
2122 scsicmd->result = DID_NO_CONNECT << 16;
2123 scsicmd->scsi_done(scsicmd);
2124 return 0;
2125 }
2126 }
2127 }
2128 /*
2129 * else Command for the controller itself
2130 */
2131 else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */
2132 (scsicmd->cmnd[0] != TEST_UNIT_READY))
2133 {
2134 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
2135 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2136 set_sense(&dev->fsa_dev[cid].sense_data,
2137 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2138 ASENCODE_INVALID_COMMAND, 0, 0);
2139 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2140 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2141 SCSI_SENSE_BUFFERSIZE));
2142 scsicmd->scsi_done(scsicmd);
2143 return 0;
2144 }
2145
2146
2147 /* Handle commands here that don't really require going out to the adapter */
2148 switch (scsicmd->cmnd[0]) {
2149 case INQUIRY:
2150 {
2151 struct inquiry_data inq_data;
2152
2153 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
2154 memset(&inq_data, 0, sizeof (struct inquiry_data));
2155
2156 if ((scsicmd->cmnd[1] & 0x1) && aac_wwn) {
2157 char *arr = (char *)&inq_data;
2158
2159 /* EVPD bit set */
2160 arr[0] = (scmd_id(scsicmd) == host->this_id) ?
2161 INQD_PDT_PROC : INQD_PDT_DA;
2162 if (scsicmd->cmnd[2] == 0) {
2163 /* supported vital product data pages */
2164 arr[3] = 2;
2165 arr[4] = 0x0;
2166 arr[5] = 0x80;
2167 arr[1] = scsicmd->cmnd[2];
2168 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2169 sizeof(inq_data));
2170 scsicmd->result = DID_OK << 16 |
2171 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2172 } else if (scsicmd->cmnd[2] == 0x80) {
2173 /* unit serial number page */
2174 arr[3] = setinqserial(dev, &arr[4],
2175 scmd_id(scsicmd));
2176 arr[1] = scsicmd->cmnd[2];
2177 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2178 sizeof(inq_data));
2179 if (aac_wwn != 2)
2180 return aac_get_container_serial(
2181 scsicmd);
2182 /* SLES 10 SP1 special */
2183 scsicmd->result = DID_OK << 16 |
2184 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2185 } else {
2186 /* vpd page not implemented */
2187 scsicmd->result = DID_OK << 16 |
2188 COMMAND_COMPLETE << 8 |
2189 SAM_STAT_CHECK_CONDITION;
2190 set_sense(&dev->fsa_dev[cid].sense_data,
2191 ILLEGAL_REQUEST, SENCODE_INVALID_CDB_FIELD,
2192 ASENCODE_NO_SENSE, 7, 2);
2193 memcpy(scsicmd->sense_buffer,
2194 &dev->fsa_dev[cid].sense_data,
2195 min_t(size_t,
2196 sizeof(dev->fsa_dev[cid].sense_data),
2197 SCSI_SENSE_BUFFERSIZE));
2198 }
2199 scsicmd->scsi_done(scsicmd);
2200 return 0;
2201 }
2202 inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */
2203 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 */
2204 inq_data.inqd_len = 31;
2205 /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
2206 inq_data.inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */
2207 /*
2208 * Set the Vendor, Product, and Revision Level
2209 * see: <vendor>.c i.e. aac.c
2210 */
2211 if (cid == host->this_id) {
2212 setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
2213 inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */
2214 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2215 sizeof(inq_data));
2216 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2217 scsicmd->scsi_done(scsicmd);
2218 return 0;
2219 }
2220 if (dev->in_reset)
2221 return -1;
2222 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
2223 inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */
2224 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
2225 return aac_get_container_name(scsicmd);
2226 }
2227 case SERVICE_ACTION_IN:
2228 if (!(dev->raw_io_interface) ||
2229 !(dev->raw_io_64) ||
2230 ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2231 break;
2232 {
2233 u64 capacity;
2234 char cp[13];
2235 unsigned int alloc_len;
2236
2237 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
2238 capacity = fsa_dev_ptr[cid].size - 1;
2239 cp[0] = (capacity >> 56) & 0xff;
2240 cp[1] = (capacity >> 48) & 0xff;
2241 cp[2] = (capacity >> 40) & 0xff;
2242 cp[3] = (capacity >> 32) & 0xff;
2243 cp[4] = (capacity >> 24) & 0xff;
2244 cp[5] = (capacity >> 16) & 0xff;
2245 cp[6] = (capacity >> 8) & 0xff;
2246 cp[7] = (capacity >> 0) & 0xff;
2247 cp[8] = 0;
2248 cp[9] = 0;
2249 cp[10] = 2;
2250 cp[11] = 0;
2251 cp[12] = 0;
2252
2253 alloc_len = ((scsicmd->cmnd[10] << 24)
2254 + (scsicmd->cmnd[11] << 16)
2255 + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);
2256
2257 alloc_len = min_t(size_t, alloc_len, sizeof(cp));
2258 scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len);
2259 if (alloc_len < scsi_bufflen(scsicmd))
2260 scsi_set_resid(scsicmd,
2261 scsi_bufflen(scsicmd) - alloc_len);
2262
2263 /* Do not cache partition table for arrays */
2264 scsicmd->device->removable = 1;
2265
2266 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2267 scsicmd->scsi_done(scsicmd);
2268
2269 return 0;
2270 }
2271
2272 case READ_CAPACITY:
2273 {
2274 u32 capacity;
2275 char cp[8];
2276
2277 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
2278 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
2279 capacity = fsa_dev_ptr[cid].size - 1;
2280 else
2281 capacity = (u32)-1;
2282
2283 cp[0] = (capacity >> 24) & 0xff;
2284 cp[1] = (capacity >> 16) & 0xff;
2285 cp[2] = (capacity >> 8) & 0xff;
2286 cp[3] = (capacity >> 0) & 0xff;
2287 cp[4] = 0;
2288 cp[5] = 0;
2289 cp[6] = 2;
2290 cp[7] = 0;
2291 scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
2292 /* Do not cache partition table for arrays */
2293 scsicmd->device->removable = 1;
2294 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2295 SAM_STAT_GOOD;
2296 scsicmd->scsi_done(scsicmd);
2297
2298 return 0;
2299 }
2300
2301 case MODE_SENSE:
2302 {
2303 char mode_buf[7];
2304 int mode_buf_length = 4;
2305
2306 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
2307 mode_buf[0] = 3; /* Mode data length */
2308 mode_buf[1] = 0; /* Medium type - default */
2309 mode_buf[2] = 0; /* Device-specific param,
2310 bit 8: 0/1 = write enabled/protected
2311 bit 4: 0/1 = FUA enabled */
2312 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
2313 mode_buf[2] = 0x10;
2314 mode_buf[3] = 0; /* Block descriptor length */
2315 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
2316 ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
2317 mode_buf[0] = 6;
2318 mode_buf[4] = 8;
2319 mode_buf[5] = 1;
2320 mode_buf[6] = ((aac_cache & 6) == 2)
2321 ? 0 : 0x04; /* WCE */
2322 mode_buf_length = 7;
2323 if (mode_buf_length > scsicmd->cmnd[4])
2324 mode_buf_length = scsicmd->cmnd[4];
2325 }
2326 scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length);
2327 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2328 scsicmd->scsi_done(scsicmd);
2329
2330 return 0;
2331 }
2332 case MODE_SENSE_10:
2333 {
2334 char mode_buf[11];
2335 int mode_buf_length = 8;
2336
2337 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
2338 mode_buf[0] = 0; /* Mode data length (MSB) */
2339 mode_buf[1] = 6; /* Mode data length (LSB) */
2340 mode_buf[2] = 0; /* Medium type - default */
2341 mode_buf[3] = 0; /* Device-specific param,
2342 bit 8: 0/1 = write enabled/protected
2343 bit 4: 0/1 = FUA enabled */
2344 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
2345 mode_buf[3] = 0x10;
2346 mode_buf[4] = 0; /* reserved */
2347 mode_buf[5] = 0; /* reserved */
2348 mode_buf[6] = 0; /* Block descriptor length (MSB) */
2349 mode_buf[7] = 0; /* Block descriptor length (LSB) */
2350 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
2351 ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
2352 mode_buf[1] = 9;
2353 mode_buf[8] = 8;
2354 mode_buf[9] = 1;
2355 mode_buf[10] = ((aac_cache & 6) == 2)
2356 ? 0 : 0x04; /* WCE */
2357 mode_buf_length = 11;
2358 if (mode_buf_length > scsicmd->cmnd[8])
2359 mode_buf_length = scsicmd->cmnd[8];
2360 }
2361 scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length);
2362
2363 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2364 scsicmd->scsi_done(scsicmd);
2365
2366 return 0;
2367 }
2368 case REQUEST_SENSE:
2369 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
2370 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
2371 memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
2372 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2373 scsicmd->scsi_done(scsicmd);
2374 return 0;
2375
2376 case ALLOW_MEDIUM_REMOVAL:
2377 dprintk((KERN_DEBUG "LOCK command.\n"));
2378 if (scsicmd->cmnd[4])
2379 fsa_dev_ptr[cid].locked = 1;
2380 else
2381 fsa_dev_ptr[cid].locked = 0;
2382
2383 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2384 scsicmd->scsi_done(scsicmd);
2385 return 0;
2386 /*
2387 * These commands are all No-Ops
2388 */
2389 case TEST_UNIT_READY:
2390 if (fsa_dev_ptr[cid].sense_data.sense_key == NOT_READY) {
2391 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2392 SAM_STAT_CHECK_CONDITION;
2393 set_sense(&dev->fsa_dev[cid].sense_data,
2394 NOT_READY, SENCODE_BECOMING_READY,
2395 ASENCODE_BECOMING_READY, 0, 0);
2396 memcpy(scsicmd->sense_buffer,
2397 &dev->fsa_dev[cid].sense_data,
2398 min_t(size_t,
2399 sizeof(dev->fsa_dev[cid].sense_data),
2400 SCSI_SENSE_BUFFERSIZE));
2401 scsicmd->scsi_done(scsicmd);
2402 return 0;
2403 }
2404 /* FALLTHRU */
2405 case RESERVE:
2406 case RELEASE:
2407 case REZERO_UNIT:
2408 case REASSIGN_BLOCKS:
2409 case SEEK_10:
2410 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2411 scsicmd->scsi_done(scsicmd);
2412 return 0;
2413
2414 case START_STOP:
2415 return aac_start_stop(scsicmd);
2416 }
2417
2418 switch (scsicmd->cmnd[0])
2419 {
2420 case READ_6:
2421 case READ_10:
2422 case READ_12:
2423 case READ_16:
2424 if (dev->in_reset)
2425 return -1;
2426 /*
2427 * Hack to keep track of ordinal number of the device that
2428 * corresponds to a container. Needed to convert
2429 * containers to /dev/sd device names
2430 */
2431
2432 if (scsicmd->request->rq_disk)
2433 strlcpy(fsa_dev_ptr[cid].devname,
2434 scsicmd->request->rq_disk->disk_name,
2435 min(sizeof(fsa_dev_ptr[cid].devname),
2436 sizeof(scsicmd->request->rq_disk->disk_name) + 1));
2437
2438 return aac_read(scsicmd);
2439
2440 case WRITE_6:
2441 case WRITE_10:
2442 case WRITE_12:
2443 case WRITE_16:
2444 if (dev->in_reset)
2445 return -1;
2446 return aac_write(scsicmd);
2447
2448 case SYNCHRONIZE_CACHE:
2449 if (((aac_cache & 6) == 6) && dev->cache_protected) {
2450 scsicmd->result = DID_OK << 16 |
2451 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2452 scsicmd->scsi_done(scsicmd);
2453 return 0;
2454 }
2455 /* Issue FIB to tell Firmware to flush it's cache */
2456 if ((aac_cache & 6) != 2)
2457 return aac_synchronize(scsicmd);
2458 /* FALLTHRU */
2459 default:
2460 /*
2461 * Unhandled commands
2462 */
2463 dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]));
2464 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2465 set_sense(&dev->fsa_dev[cid].sense_data,
2466 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2467 ASENCODE_INVALID_COMMAND, 0, 0);
2468 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2469 min_t(size_t,
2470 sizeof(dev->fsa_dev[cid].sense_data),
2471 SCSI_SENSE_BUFFERSIZE));
2472 scsicmd->scsi_done(scsicmd);
2473 return 0;
2474 }
2475 }
2476
2477 static int query_disk(struct aac_dev *dev, void __user *arg)
2478 {
2479 struct aac_query_disk qd;
2480 struct fsa_dev_info *fsa_dev_ptr;
2481
2482 fsa_dev_ptr = dev->fsa_dev;
2483 if (!fsa_dev_ptr)
2484 return -EBUSY;
2485 if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
2486 return -EFAULT;
2487 if (qd.cnum == -1)
2488 qd.cnum = qd.id;
2489 else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
2490 {
2491 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
2492 return -EINVAL;
2493 qd.instance = dev->scsi_host_ptr->host_no;
2494 qd.bus = 0;
2495 qd.id = CONTAINER_TO_ID(qd.cnum);
2496 qd.lun = CONTAINER_TO_LUN(qd.cnum);
2497 }
2498 else return -EINVAL;
2499
2500 qd.valid = fsa_dev_ptr[qd.cnum].valid != 0;
2501 qd.locked = fsa_dev_ptr[qd.cnum].locked;
2502 qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
2503
2504 if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
2505 qd.unmapped = 1;
2506 else
2507 qd.unmapped = 0;
2508
2509 strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
2510 min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
2511
2512 if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
2513 return -EFAULT;
2514 return 0;
2515 }
2516
2517 static int force_delete_disk(struct aac_dev *dev, void __user *arg)
2518 {
2519 struct aac_delete_disk dd;
2520 struct fsa_dev_info *fsa_dev_ptr;
2521
2522 fsa_dev_ptr = dev->fsa_dev;
2523 if (!fsa_dev_ptr)
2524 return -EBUSY;
2525
2526 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2527 return -EFAULT;
2528
2529 if (dd.cnum >= dev->maximum_num_containers)
2530 return -EINVAL;
2531 /*
2532 * Mark this container as being deleted.
2533 */
2534 fsa_dev_ptr[dd.cnum].deleted = 1;
2535 /*
2536 * Mark the container as no longer valid
2537 */
2538 fsa_dev_ptr[dd.cnum].valid = 0;
2539 return 0;
2540 }
2541
2542 static int delete_disk(struct aac_dev *dev, void __user *arg)
2543 {
2544 struct aac_delete_disk dd;
2545 struct fsa_dev_info *fsa_dev_ptr;
2546
2547 fsa_dev_ptr = dev->fsa_dev;
2548 if (!fsa_dev_ptr)
2549 return -EBUSY;
2550
2551 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2552 return -EFAULT;
2553
2554 if (dd.cnum >= dev->maximum_num_containers)
2555 return -EINVAL;
2556 /*
2557 * If the container is locked, it can not be deleted by the API.
2558 */
2559 if (fsa_dev_ptr[dd.cnum].locked)
2560 return -EBUSY;
2561 else {
2562 /*
2563 * Mark the container as no longer being valid.
2564 */
2565 fsa_dev_ptr[dd.cnum].valid = 0;
2566 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
2567 return 0;
2568 }
2569 }
2570
2571 int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
2572 {
2573 switch (cmd) {
2574 case FSACTL_QUERY_DISK:
2575 return query_disk(dev, arg);
2576 case FSACTL_DELETE_DISK:
2577 return delete_disk(dev, arg);
2578 case FSACTL_FORCE_DELETE_DISK:
2579 return force_delete_disk(dev, arg);
2580 case FSACTL_GET_CONTAINERS:
2581 return aac_get_containers(dev);
2582 default:
2583 return -ENOTTY;
2584 }
2585 }
2586
2587 /**
2588 *
2589 * aac_srb_callback
2590 * @context: the context set in the fib - here it is scsi cmd
2591 * @fibptr: pointer to the fib
2592 *
2593 * Handles the completion of a scsi command to a non dasd device
2594 *
2595 */
2596
2597 static void aac_srb_callback(void *context, struct fib * fibptr)
2598 {
2599 struct aac_dev *dev;
2600 struct aac_srb_reply *srbreply;
2601 struct scsi_cmnd *scsicmd;
2602
2603 scsicmd = (struct scsi_cmnd *) context;
2604
2605 if (!aac_valid_context(scsicmd, fibptr))
2606 return;
2607
2608 BUG_ON(fibptr == NULL);
2609
2610 dev = fibptr->dev;
2611
2612 srbreply = (struct aac_srb_reply *) fib_data(fibptr);
2613
2614 scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */
2615 /*
2616 * Calculate resid for sg
2617 */
2618
2619 scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
2620 - le32_to_cpu(srbreply->data_xfer_length));
2621
2622 scsi_dma_unmap(scsicmd);
2623
2624 /* expose physical device if expose_physicald flag is on */
2625 if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01)
2626 && expose_physicals > 0)
2627 aac_expose_phy_device(scsicmd);
2628
2629 /*
2630 * First check the fib status
2631 */
2632
2633 if (le32_to_cpu(srbreply->status) != ST_OK){
2634 int len;
2635 printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
2636 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
2637 SCSI_SENSE_BUFFERSIZE);
2638 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2639 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2640 }
2641
2642 /*
2643 * Next check the srb status
2644 */
2645 switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
2646 case SRB_STATUS_ERROR_RECOVERY:
2647 case SRB_STATUS_PENDING:
2648 case SRB_STATUS_SUCCESS:
2649 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2650 break;
2651 case SRB_STATUS_DATA_OVERRUN:
2652 switch(scsicmd->cmnd[0]){
2653 case READ_6:
2654 case WRITE_6:
2655 case READ_10:
2656 case WRITE_10:
2657 case READ_12:
2658 case WRITE_12:
2659 case READ_16:
2660 case WRITE_16:
2661 if (le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow) {
2662 printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
2663 } else {
2664 printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
2665 }
2666 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2667 break;
2668 case INQUIRY: {
2669 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2670 break;
2671 }
2672 default:
2673 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2674 break;
2675 }
2676 break;
2677 case SRB_STATUS_ABORTED:
2678 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
2679 break;
2680 case SRB_STATUS_ABORT_FAILED:
2681 // Not sure about this one - but assuming the hba was trying to abort for some reason
2682 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
2683 break;
2684 case SRB_STATUS_PARITY_ERROR:
2685 scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
2686 break;
2687 case SRB_STATUS_NO_DEVICE:
2688 case SRB_STATUS_INVALID_PATH_ID:
2689 case SRB_STATUS_INVALID_TARGET_ID:
2690 case SRB_STATUS_INVALID_LUN:
2691 case SRB_STATUS_SELECTION_TIMEOUT:
2692 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
2693 break;
2694
2695 case SRB_STATUS_COMMAND_TIMEOUT:
2696 case SRB_STATUS_TIMEOUT:
2697 scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
2698 break;
2699
2700 case SRB_STATUS_BUSY:
2701 scsicmd->result = DID_BUS_BUSY << 16 | COMMAND_COMPLETE << 8;
2702 break;
2703
2704 case SRB_STATUS_BUS_RESET:
2705 scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
2706 break;
2707
2708 case SRB_STATUS_MESSAGE_REJECTED:
2709 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
2710 break;
2711 case SRB_STATUS_REQUEST_FLUSHED:
2712 case SRB_STATUS_ERROR:
2713 case SRB_STATUS_INVALID_REQUEST:
2714 case SRB_STATUS_REQUEST_SENSE_FAILED:
2715 case SRB_STATUS_NO_HBA:
2716 case SRB_STATUS_UNEXPECTED_BUS_FREE:
2717 case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
2718 case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
2719 case SRB_STATUS_DELAYED_RETRY:
2720 case SRB_STATUS_BAD_FUNCTION:
2721 case SRB_STATUS_NOT_STARTED:
2722 case SRB_STATUS_NOT_IN_USE:
2723 case SRB_STATUS_FORCE_ABORT:
2724 case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
2725 default:
2726 #ifdef AAC_DETAILED_STATUS_INFO
2727 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
2728 le32_to_cpu(srbreply->srb_status) & 0x3F,
2729 aac_get_status_string(
2730 le32_to_cpu(srbreply->srb_status) & 0x3F),
2731 scsicmd->cmnd[0],
2732 le32_to_cpu(srbreply->scsi_status));
2733 #endif
2734 if ((scsicmd->cmnd[0] == ATA_12)
2735 || (scsicmd->cmnd[0] == ATA_16)) {
2736 if (scsicmd->cmnd[2] & (0x01 << 5)) {
2737 scsicmd->result = DID_OK << 16
2738 | COMMAND_COMPLETE << 8;
2739 break;
2740 } else {
2741 scsicmd->result = DID_ERROR << 16
2742 | COMMAND_COMPLETE << 8;
2743 break;
2744 }
2745 } else {
2746 scsicmd->result = DID_ERROR << 16
2747 | COMMAND_COMPLETE << 8;
2748 break;
2749 }
2750 }
2751 if (le32_to_cpu(srbreply->scsi_status) == SAM_STAT_CHECK_CONDITION) {
2752 int len;
2753 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
2754 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
2755 SCSI_SENSE_BUFFERSIZE);
2756 #ifdef AAC_DETAILED_STATUS_INFO
2757 printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
2758 le32_to_cpu(srbreply->status), len);
2759 #endif
2760 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2761 }
2762 /*
2763 * OR in the scsi status (already shifted up a bit)
2764 */
2765 scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
2766
2767 aac_fib_complete(fibptr);
2768 aac_fib_free(fibptr);
2769 scsicmd->scsi_done(scsicmd);
2770 }
2771
2772 /**
2773 *
2774 * aac_send_scb_fib
2775 * @scsicmd: the scsi command block
2776 *
2777 * This routine will form a FIB and fill in the aac_srb from the
2778 * scsicmd passed in.
2779 */
2780
2781 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
2782 {
2783 struct fib* cmd_fibcontext;
2784 struct aac_dev* dev;
2785 int status;
2786
2787 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2788 if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
2789 scsicmd->device->lun > 7) {
2790 scsicmd->result = DID_NO_CONNECT << 16;
2791 scsicmd->scsi_done(scsicmd);
2792 return 0;
2793 }
2794
2795 /*
2796 * Allocate and initialize a Fib then setup a BlockWrite command
2797 */
2798 if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
2799 return -1;
2800 }
2801 status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
2802
2803 /*
2804 * Check that the command queued to the controller
2805 */
2806 if (status == -EINPROGRESS) {
2807 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2808 return 0;
2809 }
2810
2811 printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
2812 aac_fib_complete(cmd_fibcontext);
2813 aac_fib_free(cmd_fibcontext);
2814
2815 return -1;
2816 }
2817
2818 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
2819 {
2820 struct aac_dev *dev;
2821 unsigned long byte_count = 0;
2822 int nseg;
2823
2824 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2825 // Get rid of old data
2826 psg->count = 0;
2827 psg->sg[0].addr = 0;
2828 psg->sg[0].count = 0;
2829
2830 nseg = scsi_dma_map(scsicmd);
2831 BUG_ON(nseg < 0);
2832 if (nseg) {
2833 struct scatterlist *sg;
2834 int i;
2835
2836 psg->count = cpu_to_le32(nseg);
2837
2838 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2839 psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
2840 psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
2841 byte_count += sg_dma_len(sg);
2842 }
2843 /* hba wants the size to be exact */
2844 if (byte_count > scsi_bufflen(scsicmd)) {
2845 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2846 (byte_count - scsi_bufflen(scsicmd));
2847 psg->sg[i-1].count = cpu_to_le32(temp);
2848 byte_count = scsi_bufflen(scsicmd);
2849 }
2850 /* Check for command underflow */
2851 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2852 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2853 byte_count, scsicmd->underflow);
2854 }
2855 }
2856 return byte_count;
2857 }
2858
2859
2860 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg)
2861 {
2862 struct aac_dev *dev;
2863 unsigned long byte_count = 0;
2864 u64 addr;
2865 int nseg;
2866
2867 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2868 // Get rid of old data
2869 psg->count = 0;
2870 psg->sg[0].addr[0] = 0;
2871 psg->sg[0].addr[1] = 0;
2872 psg->sg[0].count = 0;
2873
2874 nseg = scsi_dma_map(scsicmd);
2875 BUG_ON(nseg < 0);
2876 if (nseg) {
2877 struct scatterlist *sg;
2878 int i;
2879
2880 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2881 int count = sg_dma_len(sg);
2882 addr = sg_dma_address(sg);
2883 psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
2884 psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
2885 psg->sg[i].count = cpu_to_le32(count);
2886 byte_count += count;
2887 }
2888 psg->count = cpu_to_le32(nseg);
2889 /* hba wants the size to be exact */
2890 if (byte_count > scsi_bufflen(scsicmd)) {
2891 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2892 (byte_count - scsi_bufflen(scsicmd));
2893 psg->sg[i-1].count = cpu_to_le32(temp);
2894 byte_count = scsi_bufflen(scsicmd);
2895 }
2896 /* Check for command underflow */
2897 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2898 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2899 byte_count, scsicmd->underflow);
2900 }
2901 }
2902 return byte_count;
2903 }
2904
2905 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg)
2906 {
2907 unsigned long byte_count = 0;
2908 int nseg;
2909
2910 // Get rid of old data
2911 psg->count = 0;
2912 psg->sg[0].next = 0;
2913 psg->sg[0].prev = 0;
2914 psg->sg[0].addr[0] = 0;
2915 psg->sg[0].addr[1] = 0;
2916 psg->sg[0].count = 0;
2917 psg->sg[0].flags = 0;
2918
2919 nseg = scsi_dma_map(scsicmd);
2920 BUG_ON(nseg < 0);
2921 if (nseg) {
2922 struct scatterlist *sg;
2923 int i;
2924
2925 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2926 int count = sg_dma_len(sg);
2927 u64 addr = sg_dma_address(sg);
2928 psg->sg[i].next = 0;
2929 psg->sg[i].prev = 0;
2930 psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
2931 psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2932 psg->sg[i].count = cpu_to_le32(count);
2933 psg->sg[i].flags = 0;
2934 byte_count += count;
2935 }
2936 psg->count = cpu_to_le32(nseg);
2937 /* hba wants the size to be exact */
2938 if (byte_count > scsi_bufflen(scsicmd)) {
2939 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2940 (byte_count - scsi_bufflen(scsicmd));
2941 psg->sg[i-1].count = cpu_to_le32(temp);
2942 byte_count = scsi_bufflen(scsicmd);
2943 }
2944 /* Check for command underflow */
2945 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2946 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2947 byte_count, scsicmd->underflow);
2948 }
2949 }
2950 return byte_count;
2951 }
2952
2953 #ifdef AAC_DETAILED_STATUS_INFO
2954
2955 struct aac_srb_status_info {
2956 u32 status;
2957 char *str;
2958 };
2959
2960
2961 static struct aac_srb_status_info srb_status_info[] = {
2962 { SRB_STATUS_PENDING, "Pending Status"},
2963 { SRB_STATUS_SUCCESS, "Success"},
2964 { SRB_STATUS_ABORTED, "Aborted Command"},
2965 { SRB_STATUS_ABORT_FAILED, "Abort Failed"},
2966 { SRB_STATUS_ERROR, "Error Event"},
2967 { SRB_STATUS_BUSY, "Device Busy"},
2968 { SRB_STATUS_INVALID_REQUEST, "Invalid Request"},
2969 { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"},
2970 { SRB_STATUS_NO_DEVICE, "No Device"},
2971 { SRB_STATUS_TIMEOUT, "Timeout"},
2972 { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
2973 { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"},
2974 { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"},
2975 { SRB_STATUS_BUS_RESET, "Bus Reset"},
2976 { SRB_STATUS_PARITY_ERROR, "Parity Error"},
2977 { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
2978 { SRB_STATUS_NO_HBA, "No HBA"},
2979 { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"},
2980 { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
2981 { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
2982 { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
2983 { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"},
2984 { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"},
2985 { SRB_STATUS_INVALID_LUN, "Invalid LUN"},
2986 { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
2987 { SRB_STATUS_BAD_FUNCTION, "Bad Function"},
2988 { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"},
2989 { SRB_STATUS_NOT_STARTED, "Not Started"},
2990 { SRB_STATUS_NOT_IN_USE, "Not In Use"},
2991 { SRB_STATUS_FORCE_ABORT, "Force Abort"},
2992 { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
2993 { 0xff, "Unknown Error"}
2994 };
2995
2996 char *aac_get_status_string(u32 status)
2997 {
2998 int i;
2999
3000 for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
3001 if (srb_status_info[i].status == status)
3002 return srb_status_info[i].str;
3003
3004 return "Bad Status Code";
3005 }
3006
3007 #endif