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Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
[deliverable/linux.git] / drivers / scsi / aacraid / aachba.c
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 /* MODE_SENSE data format */
115 typedef struct {
116 struct {
117 u8 data_length;
118 u8 med_type;
119 u8 dev_par;
120 u8 bd_length;
121 } __attribute__((packed)) hd;
122 struct {
123 u8 dens_code;
124 u8 block_count[3];
125 u8 reserved;
126 u8 block_length[3];
127 } __attribute__((packed)) bd;
128 u8 mpc_buf[3];
129 } __attribute__((packed)) aac_modep_data;
130
131 /* MODE_SENSE_10 data format */
132 typedef struct {
133 struct {
134 u8 data_length[2];
135 u8 med_type;
136 u8 dev_par;
137 u8 rsrvd[2];
138 u8 bd_length[2];
139 } __attribute__((packed)) hd;
140 struct {
141 u8 dens_code;
142 u8 block_count[3];
143 u8 reserved;
144 u8 block_length[3];
145 } __attribute__((packed)) bd;
146 u8 mpc_buf[3];
147 } __attribute__((packed)) aac_modep10_data;
148
149 /*------------------------------------------------------------------------------
150 * S T R U C T S / T Y P E D E F S
151 *----------------------------------------------------------------------------*/
152 /* SCSI inquiry data */
153 struct inquiry_data {
154 u8 inqd_pdt; /* Peripheral qualifier | Peripheral Device Type */
155 u8 inqd_dtq; /* RMB | Device Type Qualifier */
156 u8 inqd_ver; /* ISO version | ECMA version | ANSI-approved version */
157 u8 inqd_rdf; /* AENC | TrmIOP | Response data format */
158 u8 inqd_len; /* Additional length (n-4) */
159 u8 inqd_pad1[2];/* Reserved - must be zero */
160 u8 inqd_pad2; /* RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
161 u8 inqd_vid[8]; /* Vendor ID */
162 u8 inqd_pid[16];/* Product ID */
163 u8 inqd_prl[4]; /* Product Revision Level */
164 };
165
166 /* Added for VPD 0x83 */
167 typedef struct {
168 u8 CodeSet:4; /* VPD_CODE_SET */
169 u8 Reserved:4;
170 u8 IdentifierType:4; /* VPD_IDENTIFIER_TYPE */
171 u8 Reserved2:4;
172 u8 Reserved3;
173 u8 IdentifierLength;
174 u8 VendId[8];
175 u8 ProductId[16];
176 u8 SerialNumber[8]; /* SN in ASCII */
177
178 } TVPD_ID_Descriptor_Type_1;
179
180 typedef struct {
181 u8 CodeSet:4; /* VPD_CODE_SET */
182 u8 Reserved:4;
183 u8 IdentifierType:4; /* VPD_IDENTIFIER_TYPE */
184 u8 Reserved2:4;
185 u8 Reserved3;
186 u8 IdentifierLength;
187 struct TEU64Id {
188 u32 Serial;
189 /* The serial number supposed to be 40 bits,
190 * bit we only support 32, so make the last byte zero. */
191 u8 Reserved;
192 u8 VendId[3];
193 } EU64Id;
194
195 } TVPD_ID_Descriptor_Type_2;
196
197 typedef struct {
198 u8 DeviceType:5;
199 u8 DeviceTypeQualifier:3;
200 u8 PageCode;
201 u8 Reserved;
202 u8 PageLength;
203 TVPD_ID_Descriptor_Type_1 IdDescriptorType1;
204 TVPD_ID_Descriptor_Type_2 IdDescriptorType2;
205
206 } TVPD_Page83;
207
208 /*
209 * M O D U L E G L O B A L S
210 */
211
212 static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *sgmap);
213 static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg);
214 static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg);
215 static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
216 struct aac_raw_io2 *rio2, int sg_max);
217 static int aac_convert_sgraw2(struct aac_raw_io2 *rio2,
218 int pages, int nseg, int nseg_new);
219 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
220 #ifdef AAC_DETAILED_STATUS_INFO
221 static char *aac_get_status_string(u32 status);
222 #endif
223
224 /*
225 * Non dasd selection is handled entirely in aachba now
226 */
227
228 static int nondasd = -1;
229 static int aac_cache = 2; /* WCE=0 to avoid performance problems */
230 static int dacmode = -1;
231 int aac_msi;
232 int aac_commit = -1;
233 int startup_timeout = 180;
234 int aif_timeout = 120;
235 int aac_sync_mode; /* Only Sync. transfer - disabled */
236 int aac_convert_sgl = 1; /* convert non-conformable s/g list - enabled */
237
238 module_param(aac_sync_mode, int, S_IRUGO|S_IWUSR);
239 MODULE_PARM_DESC(aac_sync_mode, "Force sync. transfer mode"
240 " 0=off, 1=on");
241 module_param(aac_convert_sgl, int, S_IRUGO|S_IWUSR);
242 MODULE_PARM_DESC(aac_convert_sgl, "Convert non-conformable s/g list"
243 " 0=off, 1=on");
244 module_param(nondasd, int, S_IRUGO|S_IWUSR);
245 MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices."
246 " 0=off, 1=on");
247 module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR);
248 MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n"
249 "\tbit 0 - Disable FUA in WRITE SCSI commands\n"
250 "\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n"
251 "\tbit 2 - Disable only if Battery is protecting Cache");
252 module_param(dacmode, int, S_IRUGO|S_IWUSR);
253 MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC."
254 " 0=off, 1=on");
255 module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
256 MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the"
257 " adapter for foreign arrays.\n"
258 "This is typically needed in systems that do not have a BIOS."
259 " 0=off, 1=on");
260 module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR);
261 MODULE_PARM_DESC(msi, "IRQ handling."
262 " 0=PIC(default), 1=MSI, 2=MSI-X(unsupported, uses MSI)");
263 module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
264 MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for"
265 " adapter to have it's kernel up and\n"
266 "running. This is typically adjusted for large systems that do not"
267 " have a BIOS.");
268 module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
269 MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for"
270 " applications to pick up AIFs before\n"
271 "deregistering them. This is typically adjusted for heavily burdened"
272 " systems.");
273
274 int numacb = -1;
275 module_param(numacb, int, S_IRUGO|S_IWUSR);
276 MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control"
277 " blocks (FIB) allocated. Valid values are 512 and down. Default is"
278 " to use suggestion from Firmware.");
279
280 int acbsize = -1;
281 module_param(acbsize, int, S_IRUGO|S_IWUSR);
282 MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB)"
283 " size. Valid values are 512, 2048, 4096 and 8192. Default is to use"
284 " suggestion from Firmware.");
285
286 int update_interval = 30 * 60;
287 module_param(update_interval, int, S_IRUGO|S_IWUSR);
288 MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync"
289 " updates issued to adapter.");
290
291 int check_interval = 24 * 60 * 60;
292 module_param(check_interval, int, S_IRUGO|S_IWUSR);
293 MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
294 " checks.");
295
296 int aac_check_reset = 1;
297 module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
298 MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the"
299 " adapter. a value of -1 forces the reset to adapters programmed to"
300 " ignore it.");
301
302 int expose_physicals = -1;
303 module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
304 MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays."
305 " -1=protect 0=off, 1=on");
306
307 int aac_reset_devices;
308 module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
309 MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
310
311 int aac_wwn = 1;
312 module_param_named(wwn, aac_wwn, int, S_IRUGO|S_IWUSR);
313 MODULE_PARM_DESC(wwn, "Select a WWN type for the arrays:\n"
314 "\t0 - Disable\n"
315 "\t1 - Array Meta Data Signature (default)\n"
316 "\t2 - Adapter Serial Number");
317
318
319 static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
320 struct fib *fibptr) {
321 struct scsi_device *device;
322
323 if (unlikely(!scsicmd || !scsicmd->scsi_done)) {
324 dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"));
325 aac_fib_complete(fibptr);
326 aac_fib_free(fibptr);
327 return 0;
328 }
329 scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
330 device = scsicmd->device;
331 if (unlikely(!device || !scsi_device_online(device))) {
332 dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
333 aac_fib_complete(fibptr);
334 aac_fib_free(fibptr);
335 return 0;
336 }
337 return 1;
338 }
339
340 /**
341 * aac_get_config_status - check the adapter configuration
342 * @common: adapter to query
343 *
344 * Query config status, and commit the configuration if needed.
345 */
346 int aac_get_config_status(struct aac_dev *dev, int commit_flag)
347 {
348 int status = 0;
349 struct fib * fibptr;
350
351 if (!(fibptr = aac_fib_alloc(dev)))
352 return -ENOMEM;
353
354 aac_fib_init(fibptr);
355 {
356 struct aac_get_config_status *dinfo;
357 dinfo = (struct aac_get_config_status *) fib_data(fibptr);
358
359 dinfo->command = cpu_to_le32(VM_ContainerConfig);
360 dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
361 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
362 }
363
364 status = aac_fib_send(ContainerCommand,
365 fibptr,
366 sizeof (struct aac_get_config_status),
367 FsaNormal,
368 1, 1,
369 NULL, NULL);
370 if (status < 0) {
371 printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
372 } else {
373 struct aac_get_config_status_resp *reply
374 = (struct aac_get_config_status_resp *) fib_data(fibptr);
375 dprintk((KERN_WARNING
376 "aac_get_config_status: response=%d status=%d action=%d\n",
377 le32_to_cpu(reply->response),
378 le32_to_cpu(reply->status),
379 le32_to_cpu(reply->data.action)));
380 if ((le32_to_cpu(reply->response) != ST_OK) ||
381 (le32_to_cpu(reply->status) != CT_OK) ||
382 (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
383 printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
384 status = -EINVAL;
385 }
386 }
387 /* Do not set XferState to zero unless receives a response from F/W */
388 if (status >= 0)
389 aac_fib_complete(fibptr);
390
391 /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
392 if (status >= 0) {
393 if ((aac_commit == 1) || commit_flag) {
394 struct aac_commit_config * dinfo;
395 aac_fib_init(fibptr);
396 dinfo = (struct aac_commit_config *) fib_data(fibptr);
397
398 dinfo->command = cpu_to_le32(VM_ContainerConfig);
399 dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
400
401 status = aac_fib_send(ContainerCommand,
402 fibptr,
403 sizeof (struct aac_commit_config),
404 FsaNormal,
405 1, 1,
406 NULL, NULL);
407 /* Do not set XferState to zero unless
408 * receives a response from F/W */
409 if (status >= 0)
410 aac_fib_complete(fibptr);
411 } else if (aac_commit == 0) {
412 printk(KERN_WARNING
413 "aac_get_config_status: Foreign device configurations are being ignored\n");
414 }
415 }
416 /* FIB should be freed only after getting the response from the F/W */
417 if (status != -ERESTARTSYS)
418 aac_fib_free(fibptr);
419 return status;
420 }
421
422 static void aac_expose_phy_device(struct scsi_cmnd *scsicmd)
423 {
424 char inq_data;
425 scsi_sg_copy_to_buffer(scsicmd, &inq_data, sizeof(inq_data));
426 if ((inq_data & 0x20) && (inq_data & 0x1f) == TYPE_DISK) {
427 inq_data &= 0xdf;
428 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
429 }
430 }
431
432 /**
433 * aac_get_containers - list containers
434 * @common: adapter to probe
435 *
436 * Make a list of all containers on this controller
437 */
438 int aac_get_containers(struct aac_dev *dev)
439 {
440 struct fsa_dev_info *fsa_dev_ptr;
441 u32 index;
442 int status = 0;
443 struct fib * fibptr;
444 struct aac_get_container_count *dinfo;
445 struct aac_get_container_count_resp *dresp;
446 int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
447
448 if (!(fibptr = aac_fib_alloc(dev)))
449 return -ENOMEM;
450
451 aac_fib_init(fibptr);
452 dinfo = (struct aac_get_container_count *) fib_data(fibptr);
453 dinfo->command = cpu_to_le32(VM_ContainerConfig);
454 dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
455
456 status = aac_fib_send(ContainerCommand,
457 fibptr,
458 sizeof (struct aac_get_container_count),
459 FsaNormal,
460 1, 1,
461 NULL, NULL);
462 if (status >= 0) {
463 dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
464 maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
465 if (fibptr->dev->supplement_adapter_info.SupportedOptions2 &
466 AAC_OPTION_SUPPORTED_240_VOLUMES) {
467 maximum_num_containers =
468 le32_to_cpu(dresp->MaxSimpleVolumes);
469 }
470 aac_fib_complete(fibptr);
471 }
472 /* FIB should be freed only after getting the response from the F/W */
473 if (status != -ERESTARTSYS)
474 aac_fib_free(fibptr);
475
476 if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
477 maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
478 fsa_dev_ptr = kzalloc(sizeof(*fsa_dev_ptr) * maximum_num_containers,
479 GFP_KERNEL);
480 if (!fsa_dev_ptr)
481 return -ENOMEM;
482
483 dev->fsa_dev = fsa_dev_ptr;
484 dev->maximum_num_containers = maximum_num_containers;
485
486 for (index = 0; index < dev->maximum_num_containers; ) {
487 fsa_dev_ptr[index].devname[0] = '\0';
488
489 status = aac_probe_container(dev, index);
490
491 if (status < 0) {
492 printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
493 break;
494 }
495
496 /*
497 * If there are no more containers, then stop asking.
498 */
499 if (++index >= status)
500 break;
501 }
502 return status;
503 }
504
505 static void get_container_name_callback(void *context, struct fib * fibptr)
506 {
507 struct aac_get_name_resp * get_name_reply;
508 struct scsi_cmnd * scsicmd;
509
510 scsicmd = (struct scsi_cmnd *) context;
511
512 if (!aac_valid_context(scsicmd, fibptr))
513 return;
514
515 dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
516 BUG_ON(fibptr == NULL);
517
518 get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
519 /* Failure is irrelevant, using default value instead */
520 if ((le32_to_cpu(get_name_reply->status) == CT_OK)
521 && (get_name_reply->data[0] != '\0')) {
522 char *sp = get_name_reply->data;
523 sp[sizeof(((struct aac_get_name_resp *)NULL)->data)] = '\0';
524 while (*sp == ' ')
525 ++sp;
526 if (*sp) {
527 struct inquiry_data inq;
528 char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
529 int count = sizeof(d);
530 char *dp = d;
531 do {
532 *dp++ = (*sp) ? *sp++ : ' ';
533 } while (--count > 0);
534
535 scsi_sg_copy_to_buffer(scsicmd, &inq, sizeof(inq));
536 memcpy(inq.inqd_pid, d, sizeof(d));
537 scsi_sg_copy_from_buffer(scsicmd, &inq, sizeof(inq));
538 }
539 }
540
541 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
542
543 aac_fib_complete(fibptr);
544 aac_fib_free(fibptr);
545 scsicmd->scsi_done(scsicmd);
546 }
547
548 /**
549 * aac_get_container_name - get container name, none blocking.
550 */
551 static int aac_get_container_name(struct scsi_cmnd * scsicmd)
552 {
553 int status;
554 struct aac_get_name *dinfo;
555 struct fib * cmd_fibcontext;
556 struct aac_dev * dev;
557
558 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
559
560 if (!(cmd_fibcontext = aac_fib_alloc(dev)))
561 return -ENOMEM;
562
563 aac_fib_init(cmd_fibcontext);
564 dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
565
566 dinfo->command = cpu_to_le32(VM_ContainerConfig);
567 dinfo->type = cpu_to_le32(CT_READ_NAME);
568 dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
569 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));
570
571 status = aac_fib_send(ContainerCommand,
572 cmd_fibcontext,
573 sizeof (struct aac_get_name),
574 FsaNormal,
575 0, 1,
576 (fib_callback)get_container_name_callback,
577 (void *) scsicmd);
578
579 /*
580 * Check that the command queued to the controller
581 */
582 if (status == -EINPROGRESS) {
583 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
584 return 0;
585 }
586
587 printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
588 aac_fib_complete(cmd_fibcontext);
589 aac_fib_free(cmd_fibcontext);
590 return -1;
591 }
592
593 static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
594 {
595 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
596
597 if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1))
598 return aac_scsi_cmd(scsicmd);
599
600 scsicmd->result = DID_NO_CONNECT << 16;
601 scsicmd->scsi_done(scsicmd);
602 return 0;
603 }
604
605 static void _aac_probe_container2(void * context, struct fib * fibptr)
606 {
607 struct fsa_dev_info *fsa_dev_ptr;
608 int (*callback)(struct scsi_cmnd *);
609 struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context;
610
611
612 if (!aac_valid_context(scsicmd, fibptr))
613 return;
614
615 scsicmd->SCp.Status = 0;
616 fsa_dev_ptr = fibptr->dev->fsa_dev;
617 if (fsa_dev_ptr) {
618 struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
619 fsa_dev_ptr += scmd_id(scsicmd);
620
621 if ((le32_to_cpu(dresp->status) == ST_OK) &&
622 (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
623 (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
624 if (!(fibptr->dev->supplement_adapter_info.SupportedOptions2 &
625 AAC_OPTION_VARIABLE_BLOCK_SIZE)) {
626 dresp->mnt[0].fileinfo.bdevinfo.block_size = 0x200;
627 fsa_dev_ptr->block_size = 0x200;
628 } else {
629 fsa_dev_ptr->block_size =
630 le32_to_cpu(dresp->mnt[0].fileinfo.bdevinfo.block_size);
631 }
632 fsa_dev_ptr->valid = 1;
633 /* sense_key holds the current state of the spin-up */
634 if (dresp->mnt[0].state & cpu_to_le32(FSCS_NOT_READY))
635 fsa_dev_ptr->sense_data.sense_key = NOT_READY;
636 else if (fsa_dev_ptr->sense_data.sense_key == NOT_READY)
637 fsa_dev_ptr->sense_data.sense_key = NO_SENSE;
638 fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
639 fsa_dev_ptr->size
640 = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
641 (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
642 fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0);
643 }
644 if ((fsa_dev_ptr->valid & 1) == 0)
645 fsa_dev_ptr->valid = 0;
646 scsicmd->SCp.Status = le32_to_cpu(dresp->count);
647 }
648 aac_fib_complete(fibptr);
649 aac_fib_free(fibptr);
650 callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr);
651 scsicmd->SCp.ptr = NULL;
652 (*callback)(scsicmd);
653 return;
654 }
655
656 static void _aac_probe_container1(void * context, struct fib * fibptr)
657 {
658 struct scsi_cmnd * scsicmd;
659 struct aac_mount * dresp;
660 struct aac_query_mount *dinfo;
661 int status;
662
663 dresp = (struct aac_mount *) fib_data(fibptr);
664 if (!(fibptr->dev->supplement_adapter_info.SupportedOptions2 &
665 AAC_OPTION_VARIABLE_BLOCK_SIZE))
666 dresp->mnt[0].capacityhigh = 0;
667 if ((le32_to_cpu(dresp->status) != ST_OK) ||
668 (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
669 _aac_probe_container2(context, fibptr);
670 return;
671 }
672 scsicmd = (struct scsi_cmnd *) context;
673
674 if (!aac_valid_context(scsicmd, fibptr))
675 return;
676
677 aac_fib_init(fibptr);
678
679 dinfo = (struct aac_query_mount *)fib_data(fibptr);
680
681 if (fibptr->dev->supplement_adapter_info.SupportedOptions2 &
682 AAC_OPTION_VARIABLE_BLOCK_SIZE)
683 dinfo->command = cpu_to_le32(VM_NameServeAllBlk);
684 else
685 dinfo->command = cpu_to_le32(VM_NameServe64);
686
687 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
688 dinfo->type = cpu_to_le32(FT_FILESYS);
689
690 status = aac_fib_send(ContainerCommand,
691 fibptr,
692 sizeof(struct aac_query_mount),
693 FsaNormal,
694 0, 1,
695 _aac_probe_container2,
696 (void *) scsicmd);
697 /*
698 * Check that the command queued to the controller
699 */
700 if (status == -EINPROGRESS)
701 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
702 else if (status < 0) {
703 /* Inherit results from VM_NameServe, if any */
704 dresp->status = cpu_to_le32(ST_OK);
705 _aac_probe_container2(context, fibptr);
706 }
707 }
708
709 static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
710 {
711 struct fib * fibptr;
712 int status = -ENOMEM;
713
714 if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
715 struct aac_query_mount *dinfo;
716
717 aac_fib_init(fibptr);
718
719 dinfo = (struct aac_query_mount *)fib_data(fibptr);
720
721 if (fibptr->dev->supplement_adapter_info.SupportedOptions2 &
722 AAC_OPTION_VARIABLE_BLOCK_SIZE)
723 dinfo->command = cpu_to_le32(VM_NameServeAllBlk);
724 else
725 dinfo->command = cpu_to_le32(VM_NameServe);
726
727 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
728 dinfo->type = cpu_to_le32(FT_FILESYS);
729 scsicmd->SCp.ptr = (char *)callback;
730
731 status = aac_fib_send(ContainerCommand,
732 fibptr,
733 sizeof(struct aac_query_mount),
734 FsaNormal,
735 0, 1,
736 _aac_probe_container1,
737 (void *) scsicmd);
738 /*
739 * Check that the command queued to the controller
740 */
741 if (status == -EINPROGRESS) {
742 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
743 return 0;
744 }
745 if (status < 0) {
746 scsicmd->SCp.ptr = NULL;
747 aac_fib_complete(fibptr);
748 aac_fib_free(fibptr);
749 }
750 }
751 if (status < 0) {
752 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
753 if (fsa_dev_ptr) {
754 fsa_dev_ptr += scmd_id(scsicmd);
755 if ((fsa_dev_ptr->valid & 1) == 0) {
756 fsa_dev_ptr->valid = 0;
757 return (*callback)(scsicmd);
758 }
759 }
760 }
761 return status;
762 }
763
764 /**
765 * aac_probe_container - query a logical volume
766 * @dev: device to query
767 * @cid: container identifier
768 *
769 * Queries the controller about the given volume. The volume information
770 * is updated in the struct fsa_dev_info structure rather than returned.
771 */
772 static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
773 {
774 scsicmd->device = NULL;
775 return 0;
776 }
777
778 int aac_probe_container(struct aac_dev *dev, int cid)
779 {
780 struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL);
781 struct scsi_device *scsidev = kmalloc(sizeof(*scsidev), GFP_KERNEL);
782 int status;
783
784 if (!scsicmd || !scsidev) {
785 kfree(scsicmd);
786 kfree(scsidev);
787 return -ENOMEM;
788 }
789 scsicmd->list.next = NULL;
790 scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))aac_probe_container_callback1;
791
792 scsicmd->device = scsidev;
793 scsidev->sdev_state = 0;
794 scsidev->id = cid;
795 scsidev->host = dev->scsi_host_ptr;
796
797 if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
798 while (scsicmd->device == scsidev)
799 schedule();
800 kfree(scsidev);
801 status = scsicmd->SCp.Status;
802 kfree(scsicmd);
803 return status;
804 }
805
806 /* Local Structure to set SCSI inquiry data strings */
807 struct scsi_inq {
808 char vid[8]; /* Vendor ID */
809 char pid[16]; /* Product ID */
810 char prl[4]; /* Product Revision Level */
811 };
812
813 /**
814 * InqStrCopy - string merge
815 * @a: string to copy from
816 * @b: string to copy to
817 *
818 * Copy a String from one location to another
819 * without copying \0
820 */
821
822 static void inqstrcpy(char *a, char *b)
823 {
824
825 while (*a != (char)0)
826 *b++ = *a++;
827 }
828
829 static char *container_types[] = {
830 "None",
831 "Volume",
832 "Mirror",
833 "Stripe",
834 "RAID5",
835 "SSRW",
836 "SSRO",
837 "Morph",
838 "Legacy",
839 "RAID4",
840 "RAID10",
841 "RAID00",
842 "V-MIRRORS",
843 "PSEUDO R4",
844 "RAID50",
845 "RAID5D",
846 "RAID5D0",
847 "RAID1E",
848 "RAID6",
849 "RAID60",
850 "Unknown"
851 };
852
853 char * get_container_type(unsigned tindex)
854 {
855 if (tindex >= ARRAY_SIZE(container_types))
856 tindex = ARRAY_SIZE(container_types) - 1;
857 return container_types[tindex];
858 }
859
860 /* Function: setinqstr
861 *
862 * Arguments: [1] pointer to void [1] int
863 *
864 * Purpose: Sets SCSI inquiry data strings for vendor, product
865 * and revision level. Allows strings to be set in platform dependent
866 * files instead of in OS dependent driver source.
867 */
868
869 static void setinqstr(struct aac_dev *dev, void *data, int tindex)
870 {
871 struct scsi_inq *str;
872
873 str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
874 memset(str, ' ', sizeof(*str));
875
876 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
877 char * cp = dev->supplement_adapter_info.AdapterTypeText;
878 int c;
879 if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C'))
880 inqstrcpy("SMC", str->vid);
881 else {
882 c = sizeof(str->vid);
883 while (*cp && *cp != ' ' && --c)
884 ++cp;
885 c = *cp;
886 *cp = '\0';
887 inqstrcpy (dev->supplement_adapter_info.AdapterTypeText,
888 str->vid);
889 *cp = c;
890 while (*cp && *cp != ' ')
891 ++cp;
892 }
893 while (*cp == ' ')
894 ++cp;
895 /* last six chars reserved for vol type */
896 c = 0;
897 if (strlen(cp) > sizeof(str->pid)) {
898 c = cp[sizeof(str->pid)];
899 cp[sizeof(str->pid)] = '\0';
900 }
901 inqstrcpy (cp, str->pid);
902 if (c)
903 cp[sizeof(str->pid)] = c;
904 } else {
905 struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
906
907 inqstrcpy (mp->vname, str->vid);
908 /* last six chars reserved for vol type */
909 inqstrcpy (mp->model, str->pid);
910 }
911
912 if (tindex < ARRAY_SIZE(container_types)){
913 char *findit = str->pid;
914
915 for ( ; *findit != ' '; findit++); /* walk till we find a space */
916 /* RAID is superfluous in the context of a RAID device */
917 if (memcmp(findit-4, "RAID", 4) == 0)
918 *(findit -= 4) = ' ';
919 if (((findit - str->pid) + strlen(container_types[tindex]))
920 < (sizeof(str->pid) + sizeof(str->prl)))
921 inqstrcpy (container_types[tindex], findit + 1);
922 }
923 inqstrcpy ("V1.0", str->prl);
924 }
925
926 static void get_container_serial_callback(void *context, struct fib * fibptr)
927 {
928 struct aac_get_serial_resp * get_serial_reply;
929 struct scsi_cmnd * scsicmd;
930
931 BUG_ON(fibptr == NULL);
932
933 scsicmd = (struct scsi_cmnd *) context;
934 if (!aac_valid_context(scsicmd, fibptr))
935 return;
936
937 get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr);
938 /* Failure is irrelevant, using default value instead */
939 if (le32_to_cpu(get_serial_reply->status) == CT_OK) {
940 /*Check to see if it's for VPD 0x83 or 0x80 */
941 if (scsicmd->cmnd[2] == 0x83) {
942 /* vpd page 0x83 - Device Identification Page */
943 int i;
944 TVPD_Page83 VPDPage83Data;
945
946 memset(((u8 *)&VPDPage83Data), 0,
947 sizeof(VPDPage83Data));
948
949 /* DIRECT_ACCESS_DEVIC */
950 VPDPage83Data.DeviceType = 0;
951 /* DEVICE_CONNECTED */
952 VPDPage83Data.DeviceTypeQualifier = 0;
953 /* VPD_DEVICE_IDENTIFIERS */
954 VPDPage83Data.PageCode = 0x83;
955 VPDPage83Data.Reserved = 0;
956 VPDPage83Data.PageLength =
957 sizeof(VPDPage83Data.IdDescriptorType1) +
958 sizeof(VPDPage83Data.IdDescriptorType2);
959
960 /* T10 Vendor Identifier Field Format */
961 /* VpdCodeSetAscii */
962 VPDPage83Data.IdDescriptorType1.CodeSet = 2;
963 /* VpdIdentifierTypeVendorId */
964 VPDPage83Data.IdDescriptorType1.IdentifierType = 1;
965 VPDPage83Data.IdDescriptorType1.IdentifierLength =
966 sizeof(VPDPage83Data.IdDescriptorType1) - 4;
967
968 /* "ADAPTEC " for adaptec */
969 memcpy(VPDPage83Data.IdDescriptorType1.VendId,
970 "ADAPTEC ",
971 sizeof(VPDPage83Data.IdDescriptorType1.VendId));
972 memcpy(VPDPage83Data.IdDescriptorType1.ProductId,
973 "ARRAY ",
974 sizeof(
975 VPDPage83Data.IdDescriptorType1.ProductId));
976
977 /* Convert to ascii based serial number.
978 * The LSB is the the end.
979 */
980 for (i = 0; i < 8; i++) {
981 u8 temp =
982 (u8)((get_serial_reply->uid >> ((7 - i) * 4)) & 0xF);
983 if (temp > 0x9) {
984 VPDPage83Data.IdDescriptorType1.SerialNumber[i] =
985 'A' + (temp - 0xA);
986 } else {
987 VPDPage83Data.IdDescriptorType1.SerialNumber[i] =
988 '0' + temp;
989 }
990 }
991
992 /* VpdCodeSetBinary */
993 VPDPage83Data.IdDescriptorType2.CodeSet = 1;
994 /* VpdIdentifierTypeEUI64 */
995 VPDPage83Data.IdDescriptorType2.IdentifierType = 2;
996 VPDPage83Data.IdDescriptorType2.IdentifierLength =
997 sizeof(VPDPage83Data.IdDescriptorType2) - 4;
998
999 VPDPage83Data.IdDescriptorType2.EU64Id.VendId[0] = 0xD0;
1000 VPDPage83Data.IdDescriptorType2.EU64Id.VendId[1] = 0;
1001 VPDPage83Data.IdDescriptorType2.EU64Id.VendId[2] = 0;
1002
1003 VPDPage83Data.IdDescriptorType2.EU64Id.Serial =
1004 get_serial_reply->uid;
1005 VPDPage83Data.IdDescriptorType2.EU64Id.Reserved = 0;
1006
1007 /* Move the inquiry data to the response buffer. */
1008 scsi_sg_copy_from_buffer(scsicmd, &VPDPage83Data,
1009 sizeof(VPDPage83Data));
1010 } else {
1011 /* It must be for VPD 0x80 */
1012 char sp[13];
1013 /* EVPD bit set */
1014 sp[0] = INQD_PDT_DA;
1015 sp[1] = scsicmd->cmnd[2];
1016 sp[2] = 0;
1017 sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
1018 le32_to_cpu(get_serial_reply->uid));
1019 scsi_sg_copy_from_buffer(scsicmd, sp,
1020 sizeof(sp));
1021 }
1022 }
1023
1024 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1025
1026 aac_fib_complete(fibptr);
1027 aac_fib_free(fibptr);
1028 scsicmd->scsi_done(scsicmd);
1029 }
1030
1031 /**
1032 * aac_get_container_serial - get container serial, none blocking.
1033 */
1034 static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
1035 {
1036 int status;
1037 struct aac_get_serial *dinfo;
1038 struct fib * cmd_fibcontext;
1039 struct aac_dev * dev;
1040
1041 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1042
1043 if (!(cmd_fibcontext = aac_fib_alloc(dev)))
1044 return -ENOMEM;
1045
1046 aac_fib_init(cmd_fibcontext);
1047 dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext);
1048
1049 dinfo->command = cpu_to_le32(VM_ContainerConfig);
1050 dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID);
1051 dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
1052
1053 status = aac_fib_send(ContainerCommand,
1054 cmd_fibcontext,
1055 sizeof (struct aac_get_serial),
1056 FsaNormal,
1057 0, 1,
1058 (fib_callback) get_container_serial_callback,
1059 (void *) scsicmd);
1060
1061 /*
1062 * Check that the command queued to the controller
1063 */
1064 if (status == -EINPROGRESS) {
1065 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1066 return 0;
1067 }
1068
1069 printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status);
1070 aac_fib_complete(cmd_fibcontext);
1071 aac_fib_free(cmd_fibcontext);
1072 return -1;
1073 }
1074
1075 /* Function: setinqserial
1076 *
1077 * Arguments: [1] pointer to void [1] int
1078 *
1079 * Purpose: Sets SCSI Unit Serial number.
1080 * This is a fake. We should read a proper
1081 * serial number from the container. <SuSE>But
1082 * without docs it's quite hard to do it :-)
1083 * So this will have to do in the meantime.</SuSE>
1084 */
1085
1086 static int setinqserial(struct aac_dev *dev, void *data, int cid)
1087 {
1088 /*
1089 * This breaks array migration.
1090 */
1091 return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X",
1092 le32_to_cpu(dev->adapter_info.serial[0]), cid);
1093 }
1094
1095 static inline void set_sense(struct sense_data *sense_data, u8 sense_key,
1096 u8 sense_code, u8 a_sense_code, u8 bit_pointer, u16 field_pointer)
1097 {
1098 u8 *sense_buf = (u8 *)sense_data;
1099 /* Sense data valid, err code 70h */
1100 sense_buf[0] = 0x70; /* No info field */
1101 sense_buf[1] = 0; /* Segment number, always zero */
1102
1103 sense_buf[2] = sense_key; /* Sense key */
1104
1105 sense_buf[12] = sense_code; /* Additional sense code */
1106 sense_buf[13] = a_sense_code; /* Additional sense code qualifier */
1107
1108 if (sense_key == ILLEGAL_REQUEST) {
1109 sense_buf[7] = 10; /* Additional sense length */
1110
1111 sense_buf[15] = bit_pointer;
1112 /* Illegal parameter is in the parameter block */
1113 if (sense_code == SENCODE_INVALID_CDB_FIELD)
1114 sense_buf[15] |= 0xc0;/* Std sense key specific field */
1115 /* Illegal parameter is in the CDB block */
1116 sense_buf[16] = field_pointer >> 8; /* MSB */
1117 sense_buf[17] = field_pointer; /* LSB */
1118 } else
1119 sense_buf[7] = 6; /* Additional sense length */
1120 }
1121
1122 static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
1123 {
1124 if (lba & 0xffffffff00000000LL) {
1125 int cid = scmd_id(cmd);
1126 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
1127 cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1128 SAM_STAT_CHECK_CONDITION;
1129 set_sense(&dev->fsa_dev[cid].sense_data,
1130 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1131 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1132 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1133 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1134 SCSI_SENSE_BUFFERSIZE));
1135 cmd->scsi_done(cmd);
1136 return 1;
1137 }
1138 return 0;
1139 }
1140
1141 static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
1142 {
1143 return 0;
1144 }
1145
1146 static void io_callback(void *context, struct fib * fibptr);
1147
1148 static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1149 {
1150 struct aac_dev *dev = fib->dev;
1151 u16 fibsize, command;
1152 long ret;
1153
1154 aac_fib_init(fib);
1155 if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 && !dev->sync_mode) {
1156 struct aac_raw_io2 *readcmd2;
1157 readcmd2 = (struct aac_raw_io2 *) fib_data(fib);
1158 memset(readcmd2, 0, sizeof(struct aac_raw_io2));
1159 readcmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
1160 readcmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1161 readcmd2->byteCount = cpu_to_le32(count *
1162 dev->fsa_dev[scmd_id(cmd)].block_size);
1163 readcmd2->cid = cpu_to_le16(scmd_id(cmd));
1164 readcmd2->flags = cpu_to_le16(RIO2_IO_TYPE_READ);
1165 ret = aac_build_sgraw2(cmd, readcmd2,
1166 dev->scsi_host_ptr->sg_tablesize);
1167 if (ret < 0)
1168 return ret;
1169 command = ContainerRawIo2;
1170 fibsize = sizeof(struct aac_raw_io2) +
1171 ((le32_to_cpu(readcmd2->sgeCnt)-1) * sizeof(struct sge_ieee1212));
1172 } else {
1173 struct aac_raw_io *readcmd;
1174 readcmd = (struct aac_raw_io *) fib_data(fib);
1175 readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1176 readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1177 readcmd->count = cpu_to_le32(count *
1178 dev->fsa_dev[scmd_id(cmd)].block_size);
1179 readcmd->cid = cpu_to_le16(scmd_id(cmd));
1180 readcmd->flags = cpu_to_le16(RIO_TYPE_READ);
1181 readcmd->bpTotal = 0;
1182 readcmd->bpComplete = 0;
1183 ret = aac_build_sgraw(cmd, &readcmd->sg);
1184 if (ret < 0)
1185 return ret;
1186 command = ContainerRawIo;
1187 fibsize = sizeof(struct aac_raw_io) +
1188 ((le32_to_cpu(readcmd->sg.count)-1) * sizeof(struct sgentryraw));
1189 }
1190
1191 BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1192 /*
1193 * Now send the Fib to the adapter
1194 */
1195 return aac_fib_send(command,
1196 fib,
1197 fibsize,
1198 FsaNormal,
1199 0, 1,
1200 (fib_callback) io_callback,
1201 (void *) cmd);
1202 }
1203
1204 static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1205 {
1206 u16 fibsize;
1207 struct aac_read64 *readcmd;
1208 long ret;
1209
1210 aac_fib_init(fib);
1211 readcmd = (struct aac_read64 *) fib_data(fib);
1212 readcmd->command = cpu_to_le32(VM_CtHostRead64);
1213 readcmd->cid = cpu_to_le16(scmd_id(cmd));
1214 readcmd->sector_count = cpu_to_le16(count);
1215 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1216 readcmd->pad = 0;
1217 readcmd->flags = 0;
1218
1219 ret = aac_build_sg64(cmd, &readcmd->sg);
1220 if (ret < 0)
1221 return ret;
1222 fibsize = sizeof(struct aac_read64) +
1223 ((le32_to_cpu(readcmd->sg.count) - 1) *
1224 sizeof (struct sgentry64));
1225 BUG_ON (fibsize > (fib->dev->max_fib_size -
1226 sizeof(struct aac_fibhdr)));
1227 /*
1228 * Now send the Fib to the adapter
1229 */
1230 return aac_fib_send(ContainerCommand64,
1231 fib,
1232 fibsize,
1233 FsaNormal,
1234 0, 1,
1235 (fib_callback) io_callback,
1236 (void *) cmd);
1237 }
1238
1239 static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1240 {
1241 u16 fibsize;
1242 struct aac_read *readcmd;
1243 struct aac_dev *dev = fib->dev;
1244 long ret;
1245
1246 aac_fib_init(fib);
1247 readcmd = (struct aac_read *) fib_data(fib);
1248 readcmd->command = cpu_to_le32(VM_CtBlockRead);
1249 readcmd->cid = cpu_to_le32(scmd_id(cmd));
1250 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1251 readcmd->count = cpu_to_le32(count *
1252 dev->fsa_dev[scmd_id(cmd)].block_size);
1253
1254 ret = aac_build_sg(cmd, &readcmd->sg);
1255 if (ret < 0)
1256 return ret;
1257 fibsize = sizeof(struct aac_read) +
1258 ((le32_to_cpu(readcmd->sg.count) - 1) *
1259 sizeof (struct sgentry));
1260 BUG_ON (fibsize > (fib->dev->max_fib_size -
1261 sizeof(struct aac_fibhdr)));
1262 /*
1263 * Now send the Fib to the adapter
1264 */
1265 return aac_fib_send(ContainerCommand,
1266 fib,
1267 fibsize,
1268 FsaNormal,
1269 0, 1,
1270 (fib_callback) io_callback,
1271 (void *) cmd);
1272 }
1273
1274 static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1275 {
1276 struct aac_dev *dev = fib->dev;
1277 u16 fibsize, command;
1278 long ret;
1279
1280 aac_fib_init(fib);
1281 if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 && !dev->sync_mode) {
1282 struct aac_raw_io2 *writecmd2;
1283 writecmd2 = (struct aac_raw_io2 *) fib_data(fib);
1284 memset(writecmd2, 0, sizeof(struct aac_raw_io2));
1285 writecmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
1286 writecmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1287 writecmd2->byteCount = cpu_to_le32(count *
1288 dev->fsa_dev[scmd_id(cmd)].block_size);
1289 writecmd2->cid = cpu_to_le16(scmd_id(cmd));
1290 writecmd2->flags = (fua && ((aac_cache & 5) != 1) &&
1291 (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1292 cpu_to_le16(RIO2_IO_TYPE_WRITE|RIO2_IO_SUREWRITE) :
1293 cpu_to_le16(RIO2_IO_TYPE_WRITE);
1294 ret = aac_build_sgraw2(cmd, writecmd2,
1295 dev->scsi_host_ptr->sg_tablesize);
1296 if (ret < 0)
1297 return ret;
1298 command = ContainerRawIo2;
1299 fibsize = sizeof(struct aac_raw_io2) +
1300 ((le32_to_cpu(writecmd2->sgeCnt)-1) * sizeof(struct sge_ieee1212));
1301 } else {
1302 struct aac_raw_io *writecmd;
1303 writecmd = (struct aac_raw_io *) fib_data(fib);
1304 writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1305 writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1306 writecmd->count = cpu_to_le32(count *
1307 dev->fsa_dev[scmd_id(cmd)].block_size);
1308 writecmd->cid = cpu_to_le16(scmd_id(cmd));
1309 writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
1310 (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1311 cpu_to_le16(RIO_TYPE_WRITE|RIO_SUREWRITE) :
1312 cpu_to_le16(RIO_TYPE_WRITE);
1313 writecmd->bpTotal = 0;
1314 writecmd->bpComplete = 0;
1315 ret = aac_build_sgraw(cmd, &writecmd->sg);
1316 if (ret < 0)
1317 return ret;
1318 command = ContainerRawIo;
1319 fibsize = sizeof(struct aac_raw_io) +
1320 ((le32_to_cpu(writecmd->sg.count)-1) * sizeof (struct sgentryraw));
1321 }
1322
1323 BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1324 /*
1325 * Now send the Fib to the adapter
1326 */
1327 return aac_fib_send(command,
1328 fib,
1329 fibsize,
1330 FsaNormal,
1331 0, 1,
1332 (fib_callback) io_callback,
1333 (void *) cmd);
1334 }
1335
1336 static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1337 {
1338 u16 fibsize;
1339 struct aac_write64 *writecmd;
1340 long ret;
1341
1342 aac_fib_init(fib);
1343 writecmd = (struct aac_write64 *) fib_data(fib);
1344 writecmd->command = cpu_to_le32(VM_CtHostWrite64);
1345 writecmd->cid = cpu_to_le16(scmd_id(cmd));
1346 writecmd->sector_count = cpu_to_le16(count);
1347 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1348 writecmd->pad = 0;
1349 writecmd->flags = 0;
1350
1351 ret = aac_build_sg64(cmd, &writecmd->sg);
1352 if (ret < 0)
1353 return ret;
1354 fibsize = sizeof(struct aac_write64) +
1355 ((le32_to_cpu(writecmd->sg.count) - 1) *
1356 sizeof (struct sgentry64));
1357 BUG_ON (fibsize > (fib->dev->max_fib_size -
1358 sizeof(struct aac_fibhdr)));
1359 /*
1360 * Now send the Fib to the adapter
1361 */
1362 return aac_fib_send(ContainerCommand64,
1363 fib,
1364 fibsize,
1365 FsaNormal,
1366 0, 1,
1367 (fib_callback) io_callback,
1368 (void *) cmd);
1369 }
1370
1371 static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1372 {
1373 u16 fibsize;
1374 struct aac_write *writecmd;
1375 struct aac_dev *dev = fib->dev;
1376 long ret;
1377
1378 aac_fib_init(fib);
1379 writecmd = (struct aac_write *) fib_data(fib);
1380 writecmd->command = cpu_to_le32(VM_CtBlockWrite);
1381 writecmd->cid = cpu_to_le32(scmd_id(cmd));
1382 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1383 writecmd->count = cpu_to_le32(count *
1384 dev->fsa_dev[scmd_id(cmd)].block_size);
1385 writecmd->sg.count = cpu_to_le32(1);
1386 /* ->stable is not used - it did mean which type of write */
1387
1388 ret = aac_build_sg(cmd, &writecmd->sg);
1389 if (ret < 0)
1390 return ret;
1391 fibsize = sizeof(struct aac_write) +
1392 ((le32_to_cpu(writecmd->sg.count) - 1) *
1393 sizeof (struct sgentry));
1394 BUG_ON (fibsize > (fib->dev->max_fib_size -
1395 sizeof(struct aac_fibhdr)));
1396 /*
1397 * Now send the Fib to the adapter
1398 */
1399 return aac_fib_send(ContainerCommand,
1400 fib,
1401 fibsize,
1402 FsaNormal,
1403 0, 1,
1404 (fib_callback) io_callback,
1405 (void *) cmd);
1406 }
1407
1408 static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
1409 {
1410 struct aac_srb * srbcmd;
1411 u32 flag;
1412 u32 timeout;
1413
1414 aac_fib_init(fib);
1415 switch(cmd->sc_data_direction){
1416 case DMA_TO_DEVICE:
1417 flag = SRB_DataOut;
1418 break;
1419 case DMA_BIDIRECTIONAL:
1420 flag = SRB_DataIn | SRB_DataOut;
1421 break;
1422 case DMA_FROM_DEVICE:
1423 flag = SRB_DataIn;
1424 break;
1425 case DMA_NONE:
1426 default: /* shuts up some versions of gcc */
1427 flag = SRB_NoDataXfer;
1428 break;
1429 }
1430
1431 srbcmd = (struct aac_srb*) fib_data(fib);
1432 srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1433 srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1434 srbcmd->id = cpu_to_le32(scmd_id(cmd));
1435 srbcmd->lun = cpu_to_le32(cmd->device->lun);
1436 srbcmd->flags = cpu_to_le32(flag);
1437 timeout = cmd->request->timeout/HZ;
1438 if (timeout == 0)
1439 timeout = 1;
1440 srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds
1441 srbcmd->retry_limit = 0; /* Obsolete parameter */
1442 srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1443 return srbcmd;
1444 }
1445
1446 static void aac_srb_callback(void *context, struct fib * fibptr);
1447
1448 static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1449 {
1450 u16 fibsize;
1451 struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1452 long ret;
1453
1454 ret = aac_build_sg64(cmd, (struct sgmap64 *) &srbcmd->sg);
1455 if (ret < 0)
1456 return ret;
1457 srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1458
1459 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1460 memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1461 /*
1462 * Build Scatter/Gather list
1463 */
1464 fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1465 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1466 sizeof (struct sgentry64));
1467 BUG_ON (fibsize > (fib->dev->max_fib_size -
1468 sizeof(struct aac_fibhdr)));
1469
1470 /*
1471 * Now send the Fib to the adapter
1472 */
1473 return aac_fib_send(ScsiPortCommand64, fib,
1474 fibsize, FsaNormal, 0, 1,
1475 (fib_callback) aac_srb_callback,
1476 (void *) cmd);
1477 }
1478
1479 static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1480 {
1481 u16 fibsize;
1482 struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1483 long ret;
1484
1485 ret = aac_build_sg(cmd, (struct sgmap *)&srbcmd->sg);
1486 if (ret < 0)
1487 return ret;
1488 srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1489
1490 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1491 memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1492 /*
1493 * Build Scatter/Gather list
1494 */
1495 fibsize = sizeof (struct aac_srb) +
1496 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1497 sizeof (struct sgentry));
1498 BUG_ON (fibsize > (fib->dev->max_fib_size -
1499 sizeof(struct aac_fibhdr)));
1500
1501 /*
1502 * Now send the Fib to the adapter
1503 */
1504 return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1505 (fib_callback) aac_srb_callback, (void *) cmd);
1506 }
1507
1508 static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd)
1509 {
1510 if ((sizeof(dma_addr_t) > 4) && fib->dev->needs_dac &&
1511 (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64))
1512 return FAILED;
1513 return aac_scsi_32(fib, cmd);
1514 }
1515
1516 int aac_get_adapter_info(struct aac_dev* dev)
1517 {
1518 struct fib* fibptr;
1519 int rcode;
1520 u32 tmp;
1521 struct aac_adapter_info *info;
1522 struct aac_bus_info *command;
1523 struct aac_bus_info_response *bus_info;
1524
1525 if (!(fibptr = aac_fib_alloc(dev)))
1526 return -ENOMEM;
1527
1528 aac_fib_init(fibptr);
1529 info = (struct aac_adapter_info *) fib_data(fibptr);
1530 memset(info,0,sizeof(*info));
1531
1532 rcode = aac_fib_send(RequestAdapterInfo,
1533 fibptr,
1534 sizeof(*info),
1535 FsaNormal,
1536 -1, 1, /* First `interrupt' command uses special wait */
1537 NULL,
1538 NULL);
1539
1540 if (rcode < 0) {
1541 /* FIB should be freed only after
1542 * getting the response from the F/W */
1543 if (rcode != -ERESTARTSYS) {
1544 aac_fib_complete(fibptr);
1545 aac_fib_free(fibptr);
1546 }
1547 return rcode;
1548 }
1549 memcpy(&dev->adapter_info, info, sizeof(*info));
1550
1551 if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
1552 struct aac_supplement_adapter_info * sinfo;
1553
1554 aac_fib_init(fibptr);
1555
1556 sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr);
1557
1558 memset(sinfo,0,sizeof(*sinfo));
1559
1560 rcode = aac_fib_send(RequestSupplementAdapterInfo,
1561 fibptr,
1562 sizeof(*sinfo),
1563 FsaNormal,
1564 1, 1,
1565 NULL,
1566 NULL);
1567
1568 if (rcode >= 0)
1569 memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo));
1570 if (rcode == -ERESTARTSYS) {
1571 fibptr = aac_fib_alloc(dev);
1572 if (!fibptr)
1573 return -ENOMEM;
1574 }
1575
1576 }
1577
1578
1579 /*
1580 * GetBusInfo
1581 */
1582
1583 aac_fib_init(fibptr);
1584
1585 bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
1586
1587 memset(bus_info, 0, sizeof(*bus_info));
1588
1589 command = (struct aac_bus_info *)bus_info;
1590
1591 command->Command = cpu_to_le32(VM_Ioctl);
1592 command->ObjType = cpu_to_le32(FT_DRIVE);
1593 command->MethodId = cpu_to_le32(1);
1594 command->CtlCmd = cpu_to_le32(GetBusInfo);
1595
1596 rcode = aac_fib_send(ContainerCommand,
1597 fibptr,
1598 sizeof (*bus_info),
1599 FsaNormal,
1600 1, 1,
1601 NULL, NULL);
1602
1603 /* reasoned default */
1604 dev->maximum_num_physicals = 16;
1605 if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
1606 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
1607 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
1608 }
1609
1610 if (!dev->in_reset) {
1611 char buffer[16];
1612 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1613 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
1614 dev->name,
1615 dev->id,
1616 tmp>>24,
1617 (tmp>>16)&0xff,
1618 tmp&0xff,
1619 le32_to_cpu(dev->adapter_info.kernelbuild),
1620 (int)sizeof(dev->supplement_adapter_info.BuildDate),
1621 dev->supplement_adapter_info.BuildDate);
1622 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1623 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
1624 dev->name, dev->id,
1625 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1626 le32_to_cpu(dev->adapter_info.monitorbuild));
1627 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1628 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
1629 dev->name, dev->id,
1630 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1631 le32_to_cpu(dev->adapter_info.biosbuild));
1632 buffer[0] = '\0';
1633 if (aac_get_serial_number(
1634 shost_to_class(dev->scsi_host_ptr), buffer))
1635 printk(KERN_INFO "%s%d: serial %s",
1636 dev->name, dev->id, buffer);
1637 if (dev->supplement_adapter_info.VpdInfo.Tsid[0]) {
1638 printk(KERN_INFO "%s%d: TSID %.*s\n",
1639 dev->name, dev->id,
1640 (int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid),
1641 dev->supplement_adapter_info.VpdInfo.Tsid);
1642 }
1643 if (!aac_check_reset || ((aac_check_reset == 1) &&
1644 (dev->supplement_adapter_info.SupportedOptions2 &
1645 AAC_OPTION_IGNORE_RESET))) {
1646 printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
1647 dev->name, dev->id);
1648 }
1649 }
1650
1651 dev->cache_protected = 0;
1652 dev->jbod = ((dev->supplement_adapter_info.FeatureBits &
1653 AAC_FEATURE_JBOD) != 0);
1654 dev->nondasd_support = 0;
1655 dev->raid_scsi_mode = 0;
1656 if(dev->adapter_info.options & AAC_OPT_NONDASD)
1657 dev->nondasd_support = 1;
1658
1659 /*
1660 * If the firmware supports ROMB RAID/SCSI mode and we are currently
1661 * in RAID/SCSI mode, set the flag. For now if in this mode we will
1662 * force nondasd support on. If we decide to allow the non-dasd flag
1663 * additional changes changes will have to be made to support
1664 * RAID/SCSI. the function aac_scsi_cmd in this module will have to be
1665 * changed to support the new dev->raid_scsi_mode flag instead of
1666 * leaching off of the dev->nondasd_support flag. Also in linit.c the
1667 * function aac_detect will have to be modified where it sets up the
1668 * max number of channels based on the aac->nondasd_support flag only.
1669 */
1670 if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
1671 (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
1672 dev->nondasd_support = 1;
1673 dev->raid_scsi_mode = 1;
1674 }
1675 if (dev->raid_scsi_mode != 0)
1676 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
1677 dev->name, dev->id);
1678
1679 if (nondasd != -1)
1680 dev->nondasd_support = (nondasd!=0);
1681 if (dev->nondasd_support && !dev->in_reset)
1682 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
1683
1684 if (dma_get_required_mask(&dev->pdev->dev) > DMA_BIT_MASK(32))
1685 dev->needs_dac = 1;
1686 dev->dac_support = 0;
1687 if ((sizeof(dma_addr_t) > 4) && dev->needs_dac &&
1688 (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) {
1689 if (!dev->in_reset)
1690 printk(KERN_INFO "%s%d: 64bit support enabled.\n",
1691 dev->name, dev->id);
1692 dev->dac_support = 1;
1693 }
1694
1695 if(dacmode != -1) {
1696 dev->dac_support = (dacmode!=0);
1697 }
1698
1699 /* avoid problems with AAC_QUIRK_SCSI_32 controllers */
1700 if (dev->dac_support && (aac_get_driver_ident(dev->cardtype)->quirks
1701 & AAC_QUIRK_SCSI_32)) {
1702 dev->nondasd_support = 0;
1703 dev->jbod = 0;
1704 expose_physicals = 0;
1705 }
1706
1707 if(dev->dac_support != 0) {
1708 if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(64)) &&
1709 !pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(64))) {
1710 if (!dev->in_reset)
1711 printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
1712 dev->name, dev->id);
1713 } else if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(32)) &&
1714 !pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(32))) {
1715 printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
1716 dev->name, dev->id);
1717 dev->dac_support = 0;
1718 } else {
1719 printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
1720 dev->name, dev->id);
1721 rcode = -ENOMEM;
1722 }
1723 }
1724 /*
1725 * Deal with configuring for the individualized limits of each packet
1726 * interface.
1727 */
1728 dev->a_ops.adapter_scsi = (dev->dac_support)
1729 ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32)
1730 ? aac_scsi_32_64
1731 : aac_scsi_64)
1732 : aac_scsi_32;
1733 if (dev->raw_io_interface) {
1734 dev->a_ops.adapter_bounds = (dev->raw_io_64)
1735 ? aac_bounds_64
1736 : aac_bounds_32;
1737 dev->a_ops.adapter_read = aac_read_raw_io;
1738 dev->a_ops.adapter_write = aac_write_raw_io;
1739 } else {
1740 dev->a_ops.adapter_bounds = aac_bounds_32;
1741 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
1742 sizeof(struct aac_fibhdr) -
1743 sizeof(struct aac_write) + sizeof(struct sgentry)) /
1744 sizeof(struct sgentry);
1745 if (dev->dac_support) {
1746 dev->a_ops.adapter_read = aac_read_block64;
1747 dev->a_ops.adapter_write = aac_write_block64;
1748 /*
1749 * 38 scatter gather elements
1750 */
1751 dev->scsi_host_ptr->sg_tablesize =
1752 (dev->max_fib_size -
1753 sizeof(struct aac_fibhdr) -
1754 sizeof(struct aac_write64) +
1755 sizeof(struct sgentry64)) /
1756 sizeof(struct sgentry64);
1757 } else {
1758 dev->a_ops.adapter_read = aac_read_block;
1759 dev->a_ops.adapter_write = aac_write_block;
1760 }
1761 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
1762 if (!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
1763 /*
1764 * Worst case size that could cause sg overflow when
1765 * we break up SG elements that are larger than 64KB.
1766 * Would be nice if we could tell the SCSI layer what
1767 * the maximum SG element size can be. Worst case is
1768 * (sg_tablesize-1) 4KB elements with one 64KB
1769 * element.
1770 * 32bit -> 468 or 238KB 64bit -> 424 or 212KB
1771 */
1772 dev->scsi_host_ptr->max_sectors =
1773 (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
1774 }
1775 }
1776 /* FIB should be freed only after getting the response from the F/W */
1777 if (rcode != -ERESTARTSYS) {
1778 aac_fib_complete(fibptr);
1779 aac_fib_free(fibptr);
1780 }
1781
1782 return rcode;
1783 }
1784
1785
1786 static void io_callback(void *context, struct fib * fibptr)
1787 {
1788 struct aac_dev *dev;
1789 struct aac_read_reply *readreply;
1790 struct scsi_cmnd *scsicmd;
1791 u32 cid;
1792
1793 scsicmd = (struct scsi_cmnd *) context;
1794
1795 if (!aac_valid_context(scsicmd, fibptr))
1796 return;
1797
1798 dev = fibptr->dev;
1799 cid = scmd_id(scsicmd);
1800
1801 if (nblank(dprintk(x))) {
1802 u64 lba;
1803 switch (scsicmd->cmnd[0]) {
1804 case WRITE_6:
1805 case READ_6:
1806 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1807 (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1808 break;
1809 case WRITE_16:
1810 case READ_16:
1811 lba = ((u64)scsicmd->cmnd[2] << 56) |
1812 ((u64)scsicmd->cmnd[3] << 48) |
1813 ((u64)scsicmd->cmnd[4] << 40) |
1814 ((u64)scsicmd->cmnd[5] << 32) |
1815 ((u64)scsicmd->cmnd[6] << 24) |
1816 (scsicmd->cmnd[7] << 16) |
1817 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1818 break;
1819 case WRITE_12:
1820 case READ_12:
1821 lba = ((u64)scsicmd->cmnd[2] << 24) |
1822 (scsicmd->cmnd[3] << 16) |
1823 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1824 break;
1825 default:
1826 lba = ((u64)scsicmd->cmnd[2] << 24) |
1827 (scsicmd->cmnd[3] << 16) |
1828 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1829 break;
1830 }
1831 printk(KERN_DEBUG
1832 "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
1833 smp_processor_id(), (unsigned long long)lba, jiffies);
1834 }
1835
1836 BUG_ON(fibptr == NULL);
1837
1838 scsi_dma_unmap(scsicmd);
1839
1840 readreply = (struct aac_read_reply *)fib_data(fibptr);
1841 switch (le32_to_cpu(readreply->status)) {
1842 case ST_OK:
1843 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1844 SAM_STAT_GOOD;
1845 dev->fsa_dev[cid].sense_data.sense_key = NO_SENSE;
1846 break;
1847 case ST_NOT_READY:
1848 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1849 SAM_STAT_CHECK_CONDITION;
1850 set_sense(&dev->fsa_dev[cid].sense_data, NOT_READY,
1851 SENCODE_BECOMING_READY, ASENCODE_BECOMING_READY, 0, 0);
1852 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1853 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1854 SCSI_SENSE_BUFFERSIZE));
1855 break;
1856 default:
1857 #ifdef AAC_DETAILED_STATUS_INFO
1858 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
1859 le32_to_cpu(readreply->status));
1860 #endif
1861 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1862 SAM_STAT_CHECK_CONDITION;
1863 set_sense(&dev->fsa_dev[cid].sense_data,
1864 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1865 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1866 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1867 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1868 SCSI_SENSE_BUFFERSIZE));
1869 break;
1870 }
1871 aac_fib_complete(fibptr);
1872 aac_fib_free(fibptr);
1873
1874 scsicmd->scsi_done(scsicmd);
1875 }
1876
1877 static int aac_read(struct scsi_cmnd * scsicmd)
1878 {
1879 u64 lba;
1880 u32 count;
1881 int status;
1882 struct aac_dev *dev;
1883 struct fib * cmd_fibcontext;
1884 int cid;
1885
1886 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1887 /*
1888 * Get block address and transfer length
1889 */
1890 switch (scsicmd->cmnd[0]) {
1891 case READ_6:
1892 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
1893
1894 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1895 (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1896 count = scsicmd->cmnd[4];
1897
1898 if (count == 0)
1899 count = 256;
1900 break;
1901 case READ_16:
1902 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
1903
1904 lba = ((u64)scsicmd->cmnd[2] << 56) |
1905 ((u64)scsicmd->cmnd[3] << 48) |
1906 ((u64)scsicmd->cmnd[4] << 40) |
1907 ((u64)scsicmd->cmnd[5] << 32) |
1908 ((u64)scsicmd->cmnd[6] << 24) |
1909 (scsicmd->cmnd[7] << 16) |
1910 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1911 count = (scsicmd->cmnd[10] << 24) |
1912 (scsicmd->cmnd[11] << 16) |
1913 (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1914 break;
1915 case READ_12:
1916 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
1917
1918 lba = ((u64)scsicmd->cmnd[2] << 24) |
1919 (scsicmd->cmnd[3] << 16) |
1920 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1921 count = (scsicmd->cmnd[6] << 24) |
1922 (scsicmd->cmnd[7] << 16) |
1923 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1924 break;
1925 default:
1926 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
1927
1928 lba = ((u64)scsicmd->cmnd[2] << 24) |
1929 (scsicmd->cmnd[3] << 16) |
1930 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1931 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1932 break;
1933 }
1934
1935 if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
1936 cid = scmd_id(scsicmd);
1937 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
1938 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1939 SAM_STAT_CHECK_CONDITION;
1940 set_sense(&dev->fsa_dev[cid].sense_data,
1941 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1942 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1943 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1944 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1945 SCSI_SENSE_BUFFERSIZE));
1946 scsicmd->scsi_done(scsicmd);
1947 return 1;
1948 }
1949
1950 dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
1951 smp_processor_id(), (unsigned long long)lba, jiffies));
1952 if (aac_adapter_bounds(dev,scsicmd,lba))
1953 return 0;
1954 /*
1955 * Alocate and initialize a Fib
1956 */
1957 if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1958 printk(KERN_WARNING "aac_read: fib allocation failed\n");
1959 return -1;
1960 }
1961
1962 status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
1963
1964 /*
1965 * Check that the command queued to the controller
1966 */
1967 if (status == -EINPROGRESS) {
1968 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1969 return 0;
1970 }
1971
1972 printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
1973 /*
1974 * For some reason, the Fib didn't queue, return QUEUE_FULL
1975 */
1976 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1977 scsicmd->scsi_done(scsicmd);
1978 aac_fib_complete(cmd_fibcontext);
1979 aac_fib_free(cmd_fibcontext);
1980 return 0;
1981 }
1982
1983 static int aac_write(struct scsi_cmnd * scsicmd)
1984 {
1985 u64 lba;
1986 u32 count;
1987 int fua;
1988 int status;
1989 struct aac_dev *dev;
1990 struct fib * cmd_fibcontext;
1991 int cid;
1992
1993 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1994 /*
1995 * Get block address and transfer length
1996 */
1997 if (scsicmd->cmnd[0] == WRITE_6) /* 6 byte command */
1998 {
1999 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
2000 count = scsicmd->cmnd[4];
2001 if (count == 0)
2002 count = 256;
2003 fua = 0;
2004 } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
2005 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
2006
2007 lba = ((u64)scsicmd->cmnd[2] << 56) |
2008 ((u64)scsicmd->cmnd[3] << 48) |
2009 ((u64)scsicmd->cmnd[4] << 40) |
2010 ((u64)scsicmd->cmnd[5] << 32) |
2011 ((u64)scsicmd->cmnd[6] << 24) |
2012 (scsicmd->cmnd[7] << 16) |
2013 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2014 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
2015 (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
2016 fua = scsicmd->cmnd[1] & 0x8;
2017 } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
2018 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
2019
2020 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
2021 | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2022 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
2023 | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2024 fua = scsicmd->cmnd[1] & 0x8;
2025 } else {
2026 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
2027 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2028 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
2029 fua = scsicmd->cmnd[1] & 0x8;
2030 }
2031
2032 if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
2033 cid = scmd_id(scsicmd);
2034 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
2035 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2036 SAM_STAT_CHECK_CONDITION;
2037 set_sense(&dev->fsa_dev[cid].sense_data,
2038 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
2039 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2040 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2041 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2042 SCSI_SENSE_BUFFERSIZE));
2043 scsicmd->scsi_done(scsicmd);
2044 return 1;
2045 }
2046
2047 dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
2048 smp_processor_id(), (unsigned long long)lba, jiffies));
2049 if (aac_adapter_bounds(dev,scsicmd,lba))
2050 return 0;
2051 /*
2052 * Allocate and initialize a Fib then setup a BlockWrite command
2053 */
2054 if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
2055 /* FIB temporarily unavailable,not catastrophic failure */
2056
2057 /* scsicmd->result = DID_ERROR << 16;
2058 * scsicmd->scsi_done(scsicmd);
2059 * return 0;
2060 */
2061 printk(KERN_WARNING "aac_write: fib allocation failed\n");
2062 return -1;
2063 }
2064
2065 status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
2066
2067 /*
2068 * Check that the command queued to the controller
2069 */
2070 if (status == -EINPROGRESS) {
2071 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2072 return 0;
2073 }
2074
2075 printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
2076 /*
2077 * For some reason, the Fib didn't queue, return QUEUE_FULL
2078 */
2079 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
2080 scsicmd->scsi_done(scsicmd);
2081
2082 aac_fib_complete(cmd_fibcontext);
2083 aac_fib_free(cmd_fibcontext);
2084 return 0;
2085 }
2086
2087 static void synchronize_callback(void *context, struct fib *fibptr)
2088 {
2089 struct aac_synchronize_reply *synchronizereply;
2090 struct scsi_cmnd *cmd;
2091
2092 cmd = context;
2093
2094 if (!aac_valid_context(cmd, fibptr))
2095 return;
2096
2097 dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
2098 smp_processor_id(), jiffies));
2099 BUG_ON(fibptr == NULL);
2100
2101
2102 synchronizereply = fib_data(fibptr);
2103 if (le32_to_cpu(synchronizereply->status) == CT_OK)
2104 cmd->result = DID_OK << 16 |
2105 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2106 else {
2107 struct scsi_device *sdev = cmd->device;
2108 struct aac_dev *dev = fibptr->dev;
2109 u32 cid = sdev_id(sdev);
2110 printk(KERN_WARNING
2111 "synchronize_callback: synchronize failed, status = %d\n",
2112 le32_to_cpu(synchronizereply->status));
2113 cmd->result = DID_OK << 16 |
2114 COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2115 set_sense(&dev->fsa_dev[cid].sense_data,
2116 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
2117 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2118 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2119 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2120 SCSI_SENSE_BUFFERSIZE));
2121 }
2122
2123 aac_fib_complete(fibptr);
2124 aac_fib_free(fibptr);
2125 cmd->scsi_done(cmd);
2126 }
2127
2128 static int aac_synchronize(struct scsi_cmnd *scsicmd)
2129 {
2130 int status;
2131 struct fib *cmd_fibcontext;
2132 struct aac_synchronize *synchronizecmd;
2133 struct scsi_cmnd *cmd;
2134 struct scsi_device *sdev = scsicmd->device;
2135 int active = 0;
2136 struct aac_dev *aac;
2137 u64 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) |
2138 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2139 u32 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
2140 unsigned long flags;
2141
2142 /*
2143 * Wait for all outstanding queued commands to complete to this
2144 * specific target (block).
2145 */
2146 spin_lock_irqsave(&sdev->list_lock, flags);
2147 list_for_each_entry(cmd, &sdev->cmd_list, list)
2148 if (cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
2149 u64 cmnd_lba;
2150 u32 cmnd_count;
2151
2152 if (cmd->cmnd[0] == WRITE_6) {
2153 cmnd_lba = ((cmd->cmnd[1] & 0x1F) << 16) |
2154 (cmd->cmnd[2] << 8) |
2155 cmd->cmnd[3];
2156 cmnd_count = cmd->cmnd[4];
2157 if (cmnd_count == 0)
2158 cmnd_count = 256;
2159 } else if (cmd->cmnd[0] == WRITE_16) {
2160 cmnd_lba = ((u64)cmd->cmnd[2] << 56) |
2161 ((u64)cmd->cmnd[3] << 48) |
2162 ((u64)cmd->cmnd[4] << 40) |
2163 ((u64)cmd->cmnd[5] << 32) |
2164 ((u64)cmd->cmnd[6] << 24) |
2165 (cmd->cmnd[7] << 16) |
2166 (cmd->cmnd[8] << 8) |
2167 cmd->cmnd[9];
2168 cmnd_count = (cmd->cmnd[10] << 24) |
2169 (cmd->cmnd[11] << 16) |
2170 (cmd->cmnd[12] << 8) |
2171 cmd->cmnd[13];
2172 } else if (cmd->cmnd[0] == WRITE_12) {
2173 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
2174 (cmd->cmnd[3] << 16) |
2175 (cmd->cmnd[4] << 8) |
2176 cmd->cmnd[5];
2177 cmnd_count = (cmd->cmnd[6] << 24) |
2178 (cmd->cmnd[7] << 16) |
2179 (cmd->cmnd[8] << 8) |
2180 cmd->cmnd[9];
2181 } else if (cmd->cmnd[0] == WRITE_10) {
2182 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
2183 (cmd->cmnd[3] << 16) |
2184 (cmd->cmnd[4] << 8) |
2185 cmd->cmnd[5];
2186 cmnd_count = (cmd->cmnd[7] << 8) |
2187 cmd->cmnd[8];
2188 } else
2189 continue;
2190 if (((cmnd_lba + cmnd_count) < lba) ||
2191 (count && ((lba + count) < cmnd_lba)))
2192 continue;
2193 ++active;
2194 break;
2195 }
2196
2197 spin_unlock_irqrestore(&sdev->list_lock, flags);
2198
2199 /*
2200 * Yield the processor (requeue for later)
2201 */
2202 if (active)
2203 return SCSI_MLQUEUE_DEVICE_BUSY;
2204
2205 aac = (struct aac_dev *)sdev->host->hostdata;
2206 if (aac->in_reset)
2207 return SCSI_MLQUEUE_HOST_BUSY;
2208
2209 /*
2210 * Allocate and initialize a Fib
2211 */
2212 if (!(cmd_fibcontext = aac_fib_alloc(aac)))
2213 return SCSI_MLQUEUE_HOST_BUSY;
2214
2215 aac_fib_init(cmd_fibcontext);
2216
2217 synchronizecmd = fib_data(cmd_fibcontext);
2218 synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
2219 synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
2220 synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
2221 synchronizecmd->count =
2222 cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
2223
2224 /*
2225 * Now send the Fib to the adapter
2226 */
2227 status = aac_fib_send(ContainerCommand,
2228 cmd_fibcontext,
2229 sizeof(struct aac_synchronize),
2230 FsaNormal,
2231 0, 1,
2232 (fib_callback)synchronize_callback,
2233 (void *)scsicmd);
2234
2235 /*
2236 * Check that the command queued to the controller
2237 */
2238 if (status == -EINPROGRESS) {
2239 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2240 return 0;
2241 }
2242
2243 printk(KERN_WARNING
2244 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
2245 aac_fib_complete(cmd_fibcontext);
2246 aac_fib_free(cmd_fibcontext);
2247 return SCSI_MLQUEUE_HOST_BUSY;
2248 }
2249
2250 static void aac_start_stop_callback(void *context, struct fib *fibptr)
2251 {
2252 struct scsi_cmnd *scsicmd = context;
2253
2254 if (!aac_valid_context(scsicmd, fibptr))
2255 return;
2256
2257 BUG_ON(fibptr == NULL);
2258
2259 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2260
2261 aac_fib_complete(fibptr);
2262 aac_fib_free(fibptr);
2263 scsicmd->scsi_done(scsicmd);
2264 }
2265
2266 static int aac_start_stop(struct scsi_cmnd *scsicmd)
2267 {
2268 int status;
2269 struct fib *cmd_fibcontext;
2270 struct aac_power_management *pmcmd;
2271 struct scsi_device *sdev = scsicmd->device;
2272 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
2273
2274 if (!(aac->supplement_adapter_info.SupportedOptions2 &
2275 AAC_OPTION_POWER_MANAGEMENT)) {
2276 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2277 SAM_STAT_GOOD;
2278 scsicmd->scsi_done(scsicmd);
2279 return 0;
2280 }
2281
2282 if (aac->in_reset)
2283 return SCSI_MLQUEUE_HOST_BUSY;
2284
2285 /*
2286 * Allocate and initialize a Fib
2287 */
2288 cmd_fibcontext = aac_fib_alloc(aac);
2289 if (!cmd_fibcontext)
2290 return SCSI_MLQUEUE_HOST_BUSY;
2291
2292 aac_fib_init(cmd_fibcontext);
2293
2294 pmcmd = fib_data(cmd_fibcontext);
2295 pmcmd->command = cpu_to_le32(VM_ContainerConfig);
2296 pmcmd->type = cpu_to_le32(CT_POWER_MANAGEMENT);
2297 /* Eject bit ignored, not relevant */
2298 pmcmd->sub = (scsicmd->cmnd[4] & 1) ?
2299 cpu_to_le32(CT_PM_START_UNIT) : cpu_to_le32(CT_PM_STOP_UNIT);
2300 pmcmd->cid = cpu_to_le32(sdev_id(sdev));
2301 pmcmd->parm = (scsicmd->cmnd[1] & 1) ?
2302 cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0;
2303
2304 /*
2305 * Now send the Fib to the adapter
2306 */
2307 status = aac_fib_send(ContainerCommand,
2308 cmd_fibcontext,
2309 sizeof(struct aac_power_management),
2310 FsaNormal,
2311 0, 1,
2312 (fib_callback)aac_start_stop_callback,
2313 (void *)scsicmd);
2314
2315 /*
2316 * Check that the command queued to the controller
2317 */
2318 if (status == -EINPROGRESS) {
2319 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2320 return 0;
2321 }
2322
2323 aac_fib_complete(cmd_fibcontext);
2324 aac_fib_free(cmd_fibcontext);
2325 return SCSI_MLQUEUE_HOST_BUSY;
2326 }
2327
2328 /**
2329 * aac_scsi_cmd() - Process SCSI command
2330 * @scsicmd: SCSI command block
2331 *
2332 * Emulate a SCSI command and queue the required request for the
2333 * aacraid firmware.
2334 */
2335
2336 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
2337 {
2338 u32 cid;
2339 struct Scsi_Host *host = scsicmd->device->host;
2340 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
2341 struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
2342
2343 if (fsa_dev_ptr == NULL)
2344 return -1;
2345 /*
2346 * If the bus, id or lun is out of range, return fail
2347 * Test does not apply to ID 16, the pseudo id for the controller
2348 * itself.
2349 */
2350 cid = scmd_id(scsicmd);
2351 if (cid != host->this_id) {
2352 if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
2353 if((cid >= dev->maximum_num_containers) ||
2354 (scsicmd->device->lun != 0)) {
2355 scsicmd->result = DID_NO_CONNECT << 16;
2356 scsicmd->scsi_done(scsicmd);
2357 return 0;
2358 }
2359
2360 /*
2361 * If the target container doesn't exist, it may have
2362 * been newly created
2363 */
2364 if (((fsa_dev_ptr[cid].valid & 1) == 0) ||
2365 (fsa_dev_ptr[cid].sense_data.sense_key ==
2366 NOT_READY)) {
2367 switch (scsicmd->cmnd[0]) {
2368 case SERVICE_ACTION_IN_16:
2369 if (!(dev->raw_io_interface) ||
2370 !(dev->raw_io_64) ||
2371 ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2372 break;
2373 case INQUIRY:
2374 case READ_CAPACITY:
2375 case TEST_UNIT_READY:
2376 if (dev->in_reset)
2377 return -1;
2378 return _aac_probe_container(scsicmd,
2379 aac_probe_container_callback2);
2380 default:
2381 break;
2382 }
2383 }
2384 } else { /* check for physical non-dasd devices */
2385 if (dev->nondasd_support || expose_physicals ||
2386 dev->jbod) {
2387 if (dev->in_reset)
2388 return -1;
2389 return aac_send_srb_fib(scsicmd);
2390 } else {
2391 scsicmd->result = DID_NO_CONNECT << 16;
2392 scsicmd->scsi_done(scsicmd);
2393 return 0;
2394 }
2395 }
2396 }
2397 /*
2398 * else Command for the controller itself
2399 */
2400 else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */
2401 (scsicmd->cmnd[0] != TEST_UNIT_READY))
2402 {
2403 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
2404 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2405 set_sense(&dev->fsa_dev[cid].sense_data,
2406 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2407 ASENCODE_INVALID_COMMAND, 0, 0);
2408 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2409 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2410 SCSI_SENSE_BUFFERSIZE));
2411 scsicmd->scsi_done(scsicmd);
2412 return 0;
2413 }
2414
2415
2416 /* Handle commands here that don't really require going out to the adapter */
2417 switch (scsicmd->cmnd[0]) {
2418 case INQUIRY:
2419 {
2420 struct inquiry_data inq_data;
2421
2422 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
2423 memset(&inq_data, 0, sizeof (struct inquiry_data));
2424
2425 if ((scsicmd->cmnd[1] & 0x1) && aac_wwn) {
2426 char *arr = (char *)&inq_data;
2427
2428 /* EVPD bit set */
2429 arr[0] = (scmd_id(scsicmd) == host->this_id) ?
2430 INQD_PDT_PROC : INQD_PDT_DA;
2431 if (scsicmd->cmnd[2] == 0) {
2432 /* supported vital product data pages */
2433 arr[3] = 3;
2434 arr[4] = 0x0;
2435 arr[5] = 0x80;
2436 arr[6] = 0x83;
2437 arr[1] = scsicmd->cmnd[2];
2438 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2439 sizeof(inq_data));
2440 scsicmd->result = DID_OK << 16 |
2441 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2442 } else if (scsicmd->cmnd[2] == 0x80) {
2443 /* unit serial number page */
2444 arr[3] = setinqserial(dev, &arr[4],
2445 scmd_id(scsicmd));
2446 arr[1] = scsicmd->cmnd[2];
2447 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2448 sizeof(inq_data));
2449 if (aac_wwn != 2)
2450 return aac_get_container_serial(
2451 scsicmd);
2452 scsicmd->result = DID_OK << 16 |
2453 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2454 } else if (scsicmd->cmnd[2] == 0x83) {
2455 /* vpd page 0x83 - Device Identification Page */
2456 char *sno = (char *)&inq_data;
2457 sno[3] = setinqserial(dev, &sno[4],
2458 scmd_id(scsicmd));
2459 if (aac_wwn != 2)
2460 return aac_get_container_serial(
2461 scsicmd);
2462 scsicmd->result = DID_OK << 16 |
2463 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2464 } else {
2465 /* vpd page not implemented */
2466 scsicmd->result = DID_OK << 16 |
2467 COMMAND_COMPLETE << 8 |
2468 SAM_STAT_CHECK_CONDITION;
2469 set_sense(&dev->fsa_dev[cid].sense_data,
2470 ILLEGAL_REQUEST, SENCODE_INVALID_CDB_FIELD,
2471 ASENCODE_NO_SENSE, 7, 2);
2472 memcpy(scsicmd->sense_buffer,
2473 &dev->fsa_dev[cid].sense_data,
2474 min_t(size_t,
2475 sizeof(dev->fsa_dev[cid].sense_data),
2476 SCSI_SENSE_BUFFERSIZE));
2477 }
2478 scsicmd->scsi_done(scsicmd);
2479 return 0;
2480 }
2481 inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */
2482 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 */
2483 inq_data.inqd_len = 31;
2484 /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
2485 inq_data.inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */
2486 /*
2487 * Set the Vendor, Product, and Revision Level
2488 * see: <vendor>.c i.e. aac.c
2489 */
2490 if (cid == host->this_id) {
2491 setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
2492 inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */
2493 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2494 sizeof(inq_data));
2495 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2496 scsicmd->scsi_done(scsicmd);
2497 return 0;
2498 }
2499 if (dev->in_reset)
2500 return -1;
2501 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
2502 inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */
2503 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
2504 return aac_get_container_name(scsicmd);
2505 }
2506 case SERVICE_ACTION_IN_16:
2507 if (!(dev->raw_io_interface) ||
2508 !(dev->raw_io_64) ||
2509 ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2510 break;
2511 {
2512 u64 capacity;
2513 char cp[13];
2514 unsigned int alloc_len;
2515
2516 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
2517 capacity = fsa_dev_ptr[cid].size - 1;
2518 cp[0] = (capacity >> 56) & 0xff;
2519 cp[1] = (capacity >> 48) & 0xff;
2520 cp[2] = (capacity >> 40) & 0xff;
2521 cp[3] = (capacity >> 32) & 0xff;
2522 cp[4] = (capacity >> 24) & 0xff;
2523 cp[5] = (capacity >> 16) & 0xff;
2524 cp[6] = (capacity >> 8) & 0xff;
2525 cp[7] = (capacity >> 0) & 0xff;
2526 cp[8] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
2527 cp[9] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
2528 cp[10] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
2529 cp[11] = (fsa_dev_ptr[cid].block_size) & 0xff;
2530 cp[12] = 0;
2531
2532 alloc_len = ((scsicmd->cmnd[10] << 24)
2533 + (scsicmd->cmnd[11] << 16)
2534 + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);
2535
2536 alloc_len = min_t(size_t, alloc_len, sizeof(cp));
2537 scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len);
2538 if (alloc_len < scsi_bufflen(scsicmd))
2539 scsi_set_resid(scsicmd,
2540 scsi_bufflen(scsicmd) - alloc_len);
2541
2542 /* Do not cache partition table for arrays */
2543 scsicmd->device->removable = 1;
2544
2545 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2546 scsicmd->scsi_done(scsicmd);
2547
2548 return 0;
2549 }
2550
2551 case READ_CAPACITY:
2552 {
2553 u32 capacity;
2554 char cp[8];
2555
2556 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
2557 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
2558 capacity = fsa_dev_ptr[cid].size - 1;
2559 else
2560 capacity = (u32)-1;
2561
2562 cp[0] = (capacity >> 24) & 0xff;
2563 cp[1] = (capacity >> 16) & 0xff;
2564 cp[2] = (capacity >> 8) & 0xff;
2565 cp[3] = (capacity >> 0) & 0xff;
2566 cp[4] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
2567 cp[5] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
2568 cp[6] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
2569 cp[7] = (fsa_dev_ptr[cid].block_size) & 0xff;
2570 scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
2571 /* Do not cache partition table for arrays */
2572 scsicmd->device->removable = 1;
2573 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2574 SAM_STAT_GOOD;
2575 scsicmd->scsi_done(scsicmd);
2576
2577 return 0;
2578 }
2579
2580 case MODE_SENSE:
2581 {
2582 int mode_buf_length = 4;
2583 u32 capacity;
2584 aac_modep_data mpd;
2585
2586 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
2587 capacity = fsa_dev_ptr[cid].size - 1;
2588 else
2589 capacity = (u32)-1;
2590
2591 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
2592 memset((char *)&mpd, 0, sizeof(aac_modep_data));
2593
2594 /* Mode data length */
2595 mpd.hd.data_length = sizeof(mpd.hd) - 1;
2596 /* Medium type - default */
2597 mpd.hd.med_type = 0;
2598 /* Device-specific param,
2599 bit 8: 0/1 = write enabled/protected
2600 bit 4: 0/1 = FUA enabled */
2601 mpd.hd.dev_par = 0;
2602
2603 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
2604 mpd.hd.dev_par = 0x10;
2605 if (scsicmd->cmnd[1] & 0x8)
2606 mpd.hd.bd_length = 0; /* Block descriptor length */
2607 else {
2608 mpd.hd.bd_length = sizeof(mpd.bd);
2609 mpd.hd.data_length += mpd.hd.bd_length;
2610 mpd.bd.block_length[0] =
2611 (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
2612 mpd.bd.block_length[1] =
2613 (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
2614 mpd.bd.block_length[2] =
2615 fsa_dev_ptr[cid].block_size & 0xff;
2616
2617 mpd.mpc_buf[0] = scsicmd->cmnd[2];
2618 if (scsicmd->cmnd[2] == 0x1C) {
2619 /* page length */
2620 mpd.mpc_buf[1] = 0xa;
2621 /* Mode data length */
2622 mpd.hd.data_length = 23;
2623 } else {
2624 /* Mode data length */
2625 mpd.hd.data_length = 15;
2626 }
2627
2628 if (capacity > 0xffffff) {
2629 mpd.bd.block_count[0] = 0xff;
2630 mpd.bd.block_count[1] = 0xff;
2631 mpd.bd.block_count[2] = 0xff;
2632 } else {
2633 mpd.bd.block_count[0] = (capacity >> 16) & 0xff;
2634 mpd.bd.block_count[1] = (capacity >> 8) & 0xff;
2635 mpd.bd.block_count[2] = capacity & 0xff;
2636 }
2637 }
2638 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
2639 ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
2640 mpd.hd.data_length += 3;
2641 mpd.mpc_buf[0] = 8;
2642 mpd.mpc_buf[1] = 1;
2643 mpd.mpc_buf[2] = ((aac_cache & 6) == 2)
2644 ? 0 : 0x04; /* WCE */
2645 mode_buf_length = sizeof(mpd);
2646 }
2647
2648 if (mode_buf_length > scsicmd->cmnd[4])
2649 mode_buf_length = scsicmd->cmnd[4];
2650 else
2651 mode_buf_length = sizeof(mpd);
2652 scsi_sg_copy_from_buffer(scsicmd,
2653 (char *)&mpd,
2654 mode_buf_length);
2655 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2656 scsicmd->scsi_done(scsicmd);
2657
2658 return 0;
2659 }
2660 case MODE_SENSE_10:
2661 {
2662 u32 capacity;
2663 int mode_buf_length = 8;
2664 aac_modep10_data mpd10;
2665
2666 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
2667 capacity = fsa_dev_ptr[cid].size - 1;
2668 else
2669 capacity = (u32)-1;
2670
2671 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
2672 memset((char *)&mpd10, 0, sizeof(aac_modep10_data));
2673 /* Mode data length (MSB) */
2674 mpd10.hd.data_length[0] = 0;
2675 /* Mode data length (LSB) */
2676 mpd10.hd.data_length[1] = sizeof(mpd10.hd) - 1;
2677 /* Medium type - default */
2678 mpd10.hd.med_type = 0;
2679 /* Device-specific param,
2680 bit 8: 0/1 = write enabled/protected
2681 bit 4: 0/1 = FUA enabled */
2682 mpd10.hd.dev_par = 0;
2683
2684 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
2685 mpd10.hd.dev_par = 0x10;
2686 mpd10.hd.rsrvd[0] = 0; /* reserved */
2687 mpd10.hd.rsrvd[1] = 0; /* reserved */
2688 if (scsicmd->cmnd[1] & 0x8) {
2689 /* Block descriptor length (MSB) */
2690 mpd10.hd.bd_length[0] = 0;
2691 /* Block descriptor length (LSB) */
2692 mpd10.hd.bd_length[1] = 0;
2693 } else {
2694 mpd10.hd.bd_length[0] = 0;
2695 mpd10.hd.bd_length[1] = sizeof(mpd10.bd);
2696
2697 mpd10.hd.data_length[1] += mpd10.hd.bd_length[1];
2698
2699 mpd10.bd.block_length[0] =
2700 (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
2701 mpd10.bd.block_length[1] =
2702 (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
2703 mpd10.bd.block_length[2] =
2704 fsa_dev_ptr[cid].block_size & 0xff;
2705
2706 if (capacity > 0xffffff) {
2707 mpd10.bd.block_count[0] = 0xff;
2708 mpd10.bd.block_count[1] = 0xff;
2709 mpd10.bd.block_count[2] = 0xff;
2710 } else {
2711 mpd10.bd.block_count[0] =
2712 (capacity >> 16) & 0xff;
2713 mpd10.bd.block_count[1] =
2714 (capacity >> 8) & 0xff;
2715 mpd10.bd.block_count[2] =
2716 capacity & 0xff;
2717 }
2718 }
2719 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
2720 ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
2721 mpd10.hd.data_length[1] += 3;
2722 mpd10.mpc_buf[0] = 8;
2723 mpd10.mpc_buf[1] = 1;
2724 mpd10.mpc_buf[2] = ((aac_cache & 6) == 2)
2725 ? 0 : 0x04; /* WCE */
2726 mode_buf_length = sizeof(mpd10);
2727 if (mode_buf_length > scsicmd->cmnd[8])
2728 mode_buf_length = scsicmd->cmnd[8];
2729 }
2730 scsi_sg_copy_from_buffer(scsicmd,
2731 (char *)&mpd10,
2732 mode_buf_length);
2733
2734 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2735 scsicmd->scsi_done(scsicmd);
2736
2737 return 0;
2738 }
2739 case REQUEST_SENSE:
2740 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
2741 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
2742 memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
2743 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2744 scsicmd->scsi_done(scsicmd);
2745 return 0;
2746
2747 case ALLOW_MEDIUM_REMOVAL:
2748 dprintk((KERN_DEBUG "LOCK command.\n"));
2749 if (scsicmd->cmnd[4])
2750 fsa_dev_ptr[cid].locked = 1;
2751 else
2752 fsa_dev_ptr[cid].locked = 0;
2753
2754 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2755 scsicmd->scsi_done(scsicmd);
2756 return 0;
2757 /*
2758 * These commands are all No-Ops
2759 */
2760 case TEST_UNIT_READY:
2761 if (fsa_dev_ptr[cid].sense_data.sense_key == NOT_READY) {
2762 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2763 SAM_STAT_CHECK_CONDITION;
2764 set_sense(&dev->fsa_dev[cid].sense_data,
2765 NOT_READY, SENCODE_BECOMING_READY,
2766 ASENCODE_BECOMING_READY, 0, 0);
2767 memcpy(scsicmd->sense_buffer,
2768 &dev->fsa_dev[cid].sense_data,
2769 min_t(size_t,
2770 sizeof(dev->fsa_dev[cid].sense_data),
2771 SCSI_SENSE_BUFFERSIZE));
2772 scsicmd->scsi_done(scsicmd);
2773 return 0;
2774 }
2775 /* FALLTHRU */
2776 case RESERVE:
2777 case RELEASE:
2778 case REZERO_UNIT:
2779 case REASSIGN_BLOCKS:
2780 case SEEK_10:
2781 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2782 scsicmd->scsi_done(scsicmd);
2783 return 0;
2784
2785 case START_STOP:
2786 return aac_start_stop(scsicmd);
2787 }
2788
2789 switch (scsicmd->cmnd[0])
2790 {
2791 case READ_6:
2792 case READ_10:
2793 case READ_12:
2794 case READ_16:
2795 if (dev->in_reset)
2796 return -1;
2797 /*
2798 * Hack to keep track of ordinal number of the device that
2799 * corresponds to a container. Needed to convert
2800 * containers to /dev/sd device names
2801 */
2802
2803 if (scsicmd->request->rq_disk)
2804 strlcpy(fsa_dev_ptr[cid].devname,
2805 scsicmd->request->rq_disk->disk_name,
2806 min(sizeof(fsa_dev_ptr[cid].devname),
2807 sizeof(scsicmd->request->rq_disk->disk_name) + 1));
2808
2809 return aac_read(scsicmd);
2810
2811 case WRITE_6:
2812 case WRITE_10:
2813 case WRITE_12:
2814 case WRITE_16:
2815 if (dev->in_reset)
2816 return -1;
2817 return aac_write(scsicmd);
2818
2819 case SYNCHRONIZE_CACHE:
2820 if (((aac_cache & 6) == 6) && dev->cache_protected) {
2821 scsicmd->result = DID_OK << 16 |
2822 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2823 scsicmd->scsi_done(scsicmd);
2824 return 0;
2825 }
2826 /* Issue FIB to tell Firmware to flush it's cache */
2827 if ((aac_cache & 6) != 2)
2828 return aac_synchronize(scsicmd);
2829 /* FALLTHRU */
2830 default:
2831 /*
2832 * Unhandled commands
2833 */
2834 dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]));
2835 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2836 set_sense(&dev->fsa_dev[cid].sense_data,
2837 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2838 ASENCODE_INVALID_COMMAND, 0, 0);
2839 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2840 min_t(size_t,
2841 sizeof(dev->fsa_dev[cid].sense_data),
2842 SCSI_SENSE_BUFFERSIZE));
2843 scsicmd->scsi_done(scsicmd);
2844 return 0;
2845 }
2846 }
2847
2848 static int query_disk(struct aac_dev *dev, void __user *arg)
2849 {
2850 struct aac_query_disk qd;
2851 struct fsa_dev_info *fsa_dev_ptr;
2852
2853 fsa_dev_ptr = dev->fsa_dev;
2854 if (!fsa_dev_ptr)
2855 return -EBUSY;
2856 if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
2857 return -EFAULT;
2858 if (qd.cnum == -1)
2859 qd.cnum = qd.id;
2860 else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
2861 {
2862 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
2863 return -EINVAL;
2864 qd.instance = dev->scsi_host_ptr->host_no;
2865 qd.bus = 0;
2866 qd.id = CONTAINER_TO_ID(qd.cnum);
2867 qd.lun = CONTAINER_TO_LUN(qd.cnum);
2868 }
2869 else return -EINVAL;
2870
2871 qd.valid = fsa_dev_ptr[qd.cnum].valid != 0;
2872 qd.locked = fsa_dev_ptr[qd.cnum].locked;
2873 qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
2874
2875 if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
2876 qd.unmapped = 1;
2877 else
2878 qd.unmapped = 0;
2879
2880 strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
2881 min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
2882
2883 if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
2884 return -EFAULT;
2885 return 0;
2886 }
2887
2888 static int force_delete_disk(struct aac_dev *dev, void __user *arg)
2889 {
2890 struct aac_delete_disk dd;
2891 struct fsa_dev_info *fsa_dev_ptr;
2892
2893 fsa_dev_ptr = dev->fsa_dev;
2894 if (!fsa_dev_ptr)
2895 return -EBUSY;
2896
2897 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2898 return -EFAULT;
2899
2900 if (dd.cnum >= dev->maximum_num_containers)
2901 return -EINVAL;
2902 /*
2903 * Mark this container as being deleted.
2904 */
2905 fsa_dev_ptr[dd.cnum].deleted = 1;
2906 /*
2907 * Mark the container as no longer valid
2908 */
2909 fsa_dev_ptr[dd.cnum].valid = 0;
2910 return 0;
2911 }
2912
2913 static int delete_disk(struct aac_dev *dev, void __user *arg)
2914 {
2915 struct aac_delete_disk dd;
2916 struct fsa_dev_info *fsa_dev_ptr;
2917
2918 fsa_dev_ptr = dev->fsa_dev;
2919 if (!fsa_dev_ptr)
2920 return -EBUSY;
2921
2922 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2923 return -EFAULT;
2924
2925 if (dd.cnum >= dev->maximum_num_containers)
2926 return -EINVAL;
2927 /*
2928 * If the container is locked, it can not be deleted by the API.
2929 */
2930 if (fsa_dev_ptr[dd.cnum].locked)
2931 return -EBUSY;
2932 else {
2933 /*
2934 * Mark the container as no longer being valid.
2935 */
2936 fsa_dev_ptr[dd.cnum].valid = 0;
2937 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
2938 return 0;
2939 }
2940 }
2941
2942 int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
2943 {
2944 switch (cmd) {
2945 case FSACTL_QUERY_DISK:
2946 return query_disk(dev, arg);
2947 case FSACTL_DELETE_DISK:
2948 return delete_disk(dev, arg);
2949 case FSACTL_FORCE_DELETE_DISK:
2950 return force_delete_disk(dev, arg);
2951 case FSACTL_GET_CONTAINERS:
2952 return aac_get_containers(dev);
2953 default:
2954 return -ENOTTY;
2955 }
2956 }
2957
2958 /**
2959 *
2960 * aac_srb_callback
2961 * @context: the context set in the fib - here it is scsi cmd
2962 * @fibptr: pointer to the fib
2963 *
2964 * Handles the completion of a scsi command to a non dasd device
2965 *
2966 */
2967
2968 static void aac_srb_callback(void *context, struct fib * fibptr)
2969 {
2970 struct aac_dev *dev;
2971 struct aac_srb_reply *srbreply;
2972 struct scsi_cmnd *scsicmd;
2973
2974 scsicmd = (struct scsi_cmnd *) context;
2975
2976 if (!aac_valid_context(scsicmd, fibptr))
2977 return;
2978
2979 BUG_ON(fibptr == NULL);
2980
2981 dev = fibptr->dev;
2982
2983 srbreply = (struct aac_srb_reply *) fib_data(fibptr);
2984
2985 scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */
2986
2987 if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) {
2988 /* fast response */
2989 srbreply->srb_status = cpu_to_le32(SRB_STATUS_SUCCESS);
2990 srbreply->scsi_status = cpu_to_le32(SAM_STAT_GOOD);
2991 } else {
2992 /*
2993 * Calculate resid for sg
2994 */
2995 scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
2996 - le32_to_cpu(srbreply->data_xfer_length));
2997 }
2998
2999 scsi_dma_unmap(scsicmd);
3000
3001 /* expose physical device if expose_physicald flag is on */
3002 if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01)
3003 && expose_physicals > 0)
3004 aac_expose_phy_device(scsicmd);
3005
3006 /*
3007 * First check the fib status
3008 */
3009
3010 if (le32_to_cpu(srbreply->status) != ST_OK){
3011 int len;
3012 printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
3013 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
3014 SCSI_SENSE_BUFFERSIZE);
3015 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
3016 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
3017 }
3018
3019 /*
3020 * Next check the srb status
3021 */
3022 switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
3023 case SRB_STATUS_ERROR_RECOVERY:
3024 case SRB_STATUS_PENDING:
3025 case SRB_STATUS_SUCCESS:
3026 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
3027 break;
3028 case SRB_STATUS_DATA_OVERRUN:
3029 switch(scsicmd->cmnd[0]){
3030 case READ_6:
3031 case WRITE_6:
3032 case READ_10:
3033 case WRITE_10:
3034 case READ_12:
3035 case WRITE_12:
3036 case READ_16:
3037 case WRITE_16:
3038 if (le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow) {
3039 printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
3040 } else {
3041 printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
3042 }
3043 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
3044 break;
3045 case INQUIRY: {
3046 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
3047 break;
3048 }
3049 default:
3050 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
3051 break;
3052 }
3053 break;
3054 case SRB_STATUS_ABORTED:
3055 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
3056 break;
3057 case SRB_STATUS_ABORT_FAILED:
3058 // Not sure about this one - but assuming the hba was trying to abort for some reason
3059 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
3060 break;
3061 case SRB_STATUS_PARITY_ERROR:
3062 scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
3063 break;
3064 case SRB_STATUS_NO_DEVICE:
3065 case SRB_STATUS_INVALID_PATH_ID:
3066 case SRB_STATUS_INVALID_TARGET_ID:
3067 case SRB_STATUS_INVALID_LUN:
3068 case SRB_STATUS_SELECTION_TIMEOUT:
3069 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
3070 break;
3071
3072 case SRB_STATUS_COMMAND_TIMEOUT:
3073 case SRB_STATUS_TIMEOUT:
3074 scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
3075 break;
3076
3077 case SRB_STATUS_BUSY:
3078 scsicmd->result = DID_BUS_BUSY << 16 | COMMAND_COMPLETE << 8;
3079 break;
3080
3081 case SRB_STATUS_BUS_RESET:
3082 scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
3083 break;
3084
3085 case SRB_STATUS_MESSAGE_REJECTED:
3086 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
3087 break;
3088 case SRB_STATUS_REQUEST_FLUSHED:
3089 case SRB_STATUS_ERROR:
3090 case SRB_STATUS_INVALID_REQUEST:
3091 case SRB_STATUS_REQUEST_SENSE_FAILED:
3092 case SRB_STATUS_NO_HBA:
3093 case SRB_STATUS_UNEXPECTED_BUS_FREE:
3094 case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
3095 case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
3096 case SRB_STATUS_DELAYED_RETRY:
3097 case SRB_STATUS_BAD_FUNCTION:
3098 case SRB_STATUS_NOT_STARTED:
3099 case SRB_STATUS_NOT_IN_USE:
3100 case SRB_STATUS_FORCE_ABORT:
3101 case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
3102 default:
3103 #ifdef AAC_DETAILED_STATUS_INFO
3104 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
3105 le32_to_cpu(srbreply->srb_status) & 0x3F,
3106 aac_get_status_string(
3107 le32_to_cpu(srbreply->srb_status) & 0x3F),
3108 scsicmd->cmnd[0],
3109 le32_to_cpu(srbreply->scsi_status));
3110 #endif
3111 if ((scsicmd->cmnd[0] == ATA_12)
3112 || (scsicmd->cmnd[0] == ATA_16)) {
3113 if (scsicmd->cmnd[2] & (0x01 << 5)) {
3114 scsicmd->result = DID_OK << 16
3115 | COMMAND_COMPLETE << 8;
3116 break;
3117 } else {
3118 scsicmd->result = DID_ERROR << 16
3119 | COMMAND_COMPLETE << 8;
3120 break;
3121 }
3122 } else {
3123 scsicmd->result = DID_ERROR << 16
3124 | COMMAND_COMPLETE << 8;
3125 break;
3126 }
3127 }
3128 if (le32_to_cpu(srbreply->scsi_status) == SAM_STAT_CHECK_CONDITION) {
3129 int len;
3130 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
3131 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
3132 SCSI_SENSE_BUFFERSIZE);
3133 #ifdef AAC_DETAILED_STATUS_INFO
3134 printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
3135 le32_to_cpu(srbreply->status), len);
3136 #endif
3137 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
3138 }
3139 /*
3140 * OR in the scsi status (already shifted up a bit)
3141 */
3142 scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
3143
3144 aac_fib_complete(fibptr);
3145 aac_fib_free(fibptr);
3146 scsicmd->scsi_done(scsicmd);
3147 }
3148
3149 /**
3150 *
3151 * aac_send_scb_fib
3152 * @scsicmd: the scsi command block
3153 *
3154 * This routine will form a FIB and fill in the aac_srb from the
3155 * scsicmd passed in.
3156 */
3157
3158 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
3159 {
3160 struct fib* cmd_fibcontext;
3161 struct aac_dev* dev;
3162 int status;
3163
3164 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
3165 if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
3166 scsicmd->device->lun > 7) {
3167 scsicmd->result = DID_NO_CONNECT << 16;
3168 scsicmd->scsi_done(scsicmd);
3169 return 0;
3170 }
3171
3172 /*
3173 * Allocate and initialize a Fib then setup a BlockWrite command
3174 */
3175 if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
3176 return -1;
3177 }
3178 status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
3179
3180 /*
3181 * Check that the command queued to the controller
3182 */
3183 if (status == -EINPROGRESS) {
3184 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
3185 return 0;
3186 }
3187
3188 printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
3189 aac_fib_complete(cmd_fibcontext);
3190 aac_fib_free(cmd_fibcontext);
3191
3192 return -1;
3193 }
3194
3195 static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *psg)
3196 {
3197 struct aac_dev *dev;
3198 unsigned long byte_count = 0;
3199 int nseg;
3200
3201 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
3202 // Get rid of old data
3203 psg->count = 0;
3204 psg->sg[0].addr = 0;
3205 psg->sg[0].count = 0;
3206
3207 nseg = scsi_dma_map(scsicmd);
3208 if (nseg < 0)
3209 return nseg;
3210 if (nseg) {
3211 struct scatterlist *sg;
3212 int i;
3213
3214 psg->count = cpu_to_le32(nseg);
3215
3216 scsi_for_each_sg(scsicmd, sg, nseg, i) {
3217 psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
3218 psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
3219 byte_count += sg_dma_len(sg);
3220 }
3221 /* hba wants the size to be exact */
3222 if (byte_count > scsi_bufflen(scsicmd)) {
3223 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3224 (byte_count - scsi_bufflen(scsicmd));
3225 psg->sg[i-1].count = cpu_to_le32(temp);
3226 byte_count = scsi_bufflen(scsicmd);
3227 }
3228 /* Check for command underflow */
3229 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
3230 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3231 byte_count, scsicmd->underflow);
3232 }
3233 }
3234 return byte_count;
3235 }
3236
3237
3238 static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg)
3239 {
3240 struct aac_dev *dev;
3241 unsigned long byte_count = 0;
3242 u64 addr;
3243 int nseg;
3244
3245 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
3246 // Get rid of old data
3247 psg->count = 0;
3248 psg->sg[0].addr[0] = 0;
3249 psg->sg[0].addr[1] = 0;
3250 psg->sg[0].count = 0;
3251
3252 nseg = scsi_dma_map(scsicmd);
3253 if (nseg < 0)
3254 return nseg;
3255 if (nseg) {
3256 struct scatterlist *sg;
3257 int i;
3258
3259 scsi_for_each_sg(scsicmd, sg, nseg, i) {
3260 int count = sg_dma_len(sg);
3261 addr = sg_dma_address(sg);
3262 psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
3263 psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
3264 psg->sg[i].count = cpu_to_le32(count);
3265 byte_count += count;
3266 }
3267 psg->count = cpu_to_le32(nseg);
3268 /* hba wants the size to be exact */
3269 if (byte_count > scsi_bufflen(scsicmd)) {
3270 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3271 (byte_count - scsi_bufflen(scsicmd));
3272 psg->sg[i-1].count = cpu_to_le32(temp);
3273 byte_count = scsi_bufflen(scsicmd);
3274 }
3275 /* Check for command underflow */
3276 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
3277 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3278 byte_count, scsicmd->underflow);
3279 }
3280 }
3281 return byte_count;
3282 }
3283
3284 static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg)
3285 {
3286 unsigned long byte_count = 0;
3287 int nseg;
3288
3289 // Get rid of old data
3290 psg->count = 0;
3291 psg->sg[0].next = 0;
3292 psg->sg[0].prev = 0;
3293 psg->sg[0].addr[0] = 0;
3294 psg->sg[0].addr[1] = 0;
3295 psg->sg[0].count = 0;
3296 psg->sg[0].flags = 0;
3297
3298 nseg = scsi_dma_map(scsicmd);
3299 if (nseg < 0)
3300 return nseg;
3301 if (nseg) {
3302 struct scatterlist *sg;
3303 int i;
3304
3305 scsi_for_each_sg(scsicmd, sg, nseg, i) {
3306 int count = sg_dma_len(sg);
3307 u64 addr = sg_dma_address(sg);
3308 psg->sg[i].next = 0;
3309 psg->sg[i].prev = 0;
3310 psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
3311 psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
3312 psg->sg[i].count = cpu_to_le32(count);
3313 psg->sg[i].flags = 0;
3314 byte_count += count;
3315 }
3316 psg->count = cpu_to_le32(nseg);
3317 /* hba wants the size to be exact */
3318 if (byte_count > scsi_bufflen(scsicmd)) {
3319 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3320 (byte_count - scsi_bufflen(scsicmd));
3321 psg->sg[i-1].count = cpu_to_le32(temp);
3322 byte_count = scsi_bufflen(scsicmd);
3323 }
3324 /* Check for command underflow */
3325 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
3326 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3327 byte_count, scsicmd->underflow);
3328 }
3329 }
3330 return byte_count;
3331 }
3332
3333 static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
3334 struct aac_raw_io2 *rio2, int sg_max)
3335 {
3336 unsigned long byte_count = 0;
3337 int nseg;
3338
3339 nseg = scsi_dma_map(scsicmd);
3340 if (nseg < 0)
3341 return nseg;
3342 if (nseg) {
3343 struct scatterlist *sg;
3344 int i, conformable = 0;
3345 u32 min_size = PAGE_SIZE, cur_size;
3346
3347 scsi_for_each_sg(scsicmd, sg, nseg, i) {
3348 int count = sg_dma_len(sg);
3349 u64 addr = sg_dma_address(sg);
3350
3351 BUG_ON(i >= sg_max);
3352 rio2->sge[i].addrHigh = cpu_to_le32((u32)(addr>>32));
3353 rio2->sge[i].addrLow = cpu_to_le32((u32)(addr & 0xffffffff));
3354 cur_size = cpu_to_le32(count);
3355 rio2->sge[i].length = cur_size;
3356 rio2->sge[i].flags = 0;
3357 if (i == 0) {
3358 conformable = 1;
3359 rio2->sgeFirstSize = cur_size;
3360 } else if (i == 1) {
3361 rio2->sgeNominalSize = cur_size;
3362 min_size = cur_size;
3363 } else if ((i+1) < nseg && cur_size != rio2->sgeNominalSize) {
3364 conformable = 0;
3365 if (cur_size < min_size)
3366 min_size = cur_size;
3367 }
3368 byte_count += count;
3369 }
3370
3371 /* hba wants the size to be exact */
3372 if (byte_count > scsi_bufflen(scsicmd)) {
3373 u32 temp = le32_to_cpu(rio2->sge[i-1].length) -
3374 (byte_count - scsi_bufflen(scsicmd));
3375 rio2->sge[i-1].length = cpu_to_le32(temp);
3376 byte_count = scsi_bufflen(scsicmd);
3377 }
3378
3379 rio2->sgeCnt = cpu_to_le32(nseg);
3380 rio2->flags |= cpu_to_le16(RIO2_SG_FORMAT_IEEE1212);
3381 /* not conformable: evaluate required sg elements */
3382 if (!conformable) {
3383 int j, nseg_new = nseg, err_found;
3384 for (i = min_size / PAGE_SIZE; i >= 1; --i) {
3385 err_found = 0;
3386 nseg_new = 2;
3387 for (j = 1; j < nseg - 1; ++j) {
3388 if (rio2->sge[j].length % (i*PAGE_SIZE)) {
3389 err_found = 1;
3390 break;
3391 }
3392 nseg_new += (rio2->sge[j].length / (i*PAGE_SIZE));
3393 }
3394 if (!err_found)
3395 break;
3396 }
3397 if (i > 0 && nseg_new <= sg_max)
3398 aac_convert_sgraw2(rio2, i, nseg, nseg_new);
3399 } else
3400 rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
3401
3402 /* Check for command underflow */
3403 if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
3404 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3405 byte_count, scsicmd->underflow);
3406 }
3407 }
3408
3409 return byte_count;
3410 }
3411
3412 static int aac_convert_sgraw2(struct aac_raw_io2 *rio2, int pages, int nseg, int nseg_new)
3413 {
3414 struct sge_ieee1212 *sge;
3415 int i, j, pos;
3416 u32 addr_low;
3417
3418 if (aac_convert_sgl == 0)
3419 return 0;
3420
3421 sge = kmalloc(nseg_new * sizeof(struct sge_ieee1212), GFP_ATOMIC);
3422 if (sge == NULL)
3423 return -1;
3424
3425 for (i = 1, pos = 1; i < nseg-1; ++i) {
3426 for (j = 0; j < rio2->sge[i].length / (pages * PAGE_SIZE); ++j) {
3427 addr_low = rio2->sge[i].addrLow + j * pages * PAGE_SIZE;
3428 sge[pos].addrLow = addr_low;
3429 sge[pos].addrHigh = rio2->sge[i].addrHigh;
3430 if (addr_low < rio2->sge[i].addrLow)
3431 sge[pos].addrHigh++;
3432 sge[pos].length = pages * PAGE_SIZE;
3433 sge[pos].flags = 0;
3434 pos++;
3435 }
3436 }
3437 sge[pos] = rio2->sge[nseg-1];
3438 memcpy(&rio2->sge[1], &sge[1], (nseg_new-1)*sizeof(struct sge_ieee1212));
3439
3440 kfree(sge);
3441 rio2->sgeCnt = cpu_to_le32(nseg_new);
3442 rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
3443 rio2->sgeNominalSize = pages * PAGE_SIZE;
3444 return 0;
3445 }
3446
3447 #ifdef AAC_DETAILED_STATUS_INFO
3448
3449 struct aac_srb_status_info {
3450 u32 status;
3451 char *str;
3452 };
3453
3454
3455 static struct aac_srb_status_info srb_status_info[] = {
3456 { SRB_STATUS_PENDING, "Pending Status"},
3457 { SRB_STATUS_SUCCESS, "Success"},
3458 { SRB_STATUS_ABORTED, "Aborted Command"},
3459 { SRB_STATUS_ABORT_FAILED, "Abort Failed"},
3460 { SRB_STATUS_ERROR, "Error Event"},
3461 { SRB_STATUS_BUSY, "Device Busy"},
3462 { SRB_STATUS_INVALID_REQUEST, "Invalid Request"},
3463 { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"},
3464 { SRB_STATUS_NO_DEVICE, "No Device"},
3465 { SRB_STATUS_TIMEOUT, "Timeout"},
3466 { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
3467 { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"},
3468 { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"},
3469 { SRB_STATUS_BUS_RESET, "Bus Reset"},
3470 { SRB_STATUS_PARITY_ERROR, "Parity Error"},
3471 { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
3472 { SRB_STATUS_NO_HBA, "No HBA"},
3473 { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"},
3474 { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
3475 { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
3476 { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
3477 { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"},
3478 { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"},
3479 { SRB_STATUS_INVALID_LUN, "Invalid LUN"},
3480 { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
3481 { SRB_STATUS_BAD_FUNCTION, "Bad Function"},
3482 { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"},
3483 { SRB_STATUS_NOT_STARTED, "Not Started"},
3484 { SRB_STATUS_NOT_IN_USE, "Not In Use"},
3485 { SRB_STATUS_FORCE_ABORT, "Force Abort"},
3486 { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
3487 { 0xff, "Unknown Error"}
3488 };
3489
3490 char *aac_get_status_string(u32 status)
3491 {
3492 int i;
3493
3494 for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
3495 if (srb_status_info[i].status == status)
3496 return srb_status_info[i].str;
3497
3498 return "Bad Status Code";
3499 }
3500
3501 #endif
Linux kernel - Deliverables
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