2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc.
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
8 * Copyright (c) 2000-2010 Adaptec, Inc.
9 * 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
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)
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.
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.
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>
39 #include <scsi/scsi.h>
40 #include <scsi/scsi_cmnd.h>
41 #include <scsi/scsi_device.h>
42 #include <scsi/scsi_host.h>
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 */
54 #define INQD_PDT_DMASK 0x1F /* Peripheral Device Type Mask */
55 #define INQD_PDT_QMASK 0xE0 /* Peripheral Device Qualifer Mask */
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
84 * Additional sense codes
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
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)
114 /*------------------------------------------------------------------------------
115 * S T R U C T S / T Y P E D E F S
116 *----------------------------------------------------------------------------*/
117 /* SCSI inquiry data */
118 struct inquiry_data {
119 u8 inqd_pdt; /* Peripheral qualifier | Peripheral Device Type */
120 u8 inqd_dtq; /* RMB | Device Type Qualifier */
121 u8 inqd_ver; /* ISO version | ECMA version | ANSI-approved version */
122 u8 inqd_rdf; /* AENC | TrmIOP | Response data format */
123 u8 inqd_len; /* Additional length (n-4) */
124 u8 inqd_pad1[2];/* Reserved - must be zero */
125 u8 inqd_pad2; /* RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
126 u8 inqd_vid[8]; /* Vendor ID */
127 u8 inqd_pid[16];/* Product ID */
128 u8 inqd_prl[4]; /* Product Revision Level */
132 * M O D U L E G L O B A L S
135 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap);
136 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg);
137 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg);
138 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
139 #ifdef AAC_DETAILED_STATUS_INFO
140 static char *aac_get_status_string(u32 status);
144 * Non dasd selection is handled entirely in aachba now
147 static int nondasd = -1;
148 static int aac_cache = 2; /* WCE=0 to avoid performance problems */
149 static int dacmode = -1;
152 int startup_timeout = 180;
153 int aif_timeout = 120;
155 module_param(nondasd, int, S_IRUGO|S_IWUSR);
156 MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices."
158 module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR);
159 MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n"
160 "\tbit 0 - Disable FUA in WRITE SCSI commands\n"
161 "\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n"
162 "\tbit 2 - Disable only if Battery is protecting Cache");
163 module_param(dacmode, int, S_IRUGO|S_IWUSR);
164 MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC."
166 module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
167 MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the"
168 " adapter for foreign arrays.\n"
169 "This is typically needed in systems that do not have a BIOS."
171 module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR);
172 MODULE_PARM_DESC(msi, "IRQ handling."
173 " 0=PIC(default), 1=MSI, 2=MSI-X(unsupported, uses MSI)");
174 module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
175 MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for"
176 " adapter to have it's kernel up and\n"
177 "running. This is typically adjusted for large systems that do not"
179 module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
180 MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for"
181 " applications to pick up AIFs before\n"
182 "deregistering them. This is typically adjusted for heavily burdened"
186 module_param(numacb, int, S_IRUGO|S_IWUSR);
187 MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control"
188 " blocks (FIB) allocated. Valid values are 512 and down. Default is"
189 " to use suggestion from Firmware.");
192 module_param(acbsize, int, S_IRUGO|S_IWUSR);
193 MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB)"
194 " size. Valid values are 512, 2048, 4096 and 8192. Default is to use"
195 " suggestion from Firmware.");
197 int update_interval = 30 * 60;
198 module_param(update_interval, int, S_IRUGO|S_IWUSR);
199 MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync"
200 " updates issued to adapter.");
202 int check_interval = 24 * 60 * 60;
203 module_param(check_interval, int, S_IRUGO|S_IWUSR);
204 MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
207 int aac_check_reset = 1;
208 module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
209 MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the"
210 " adapter. a value of -1 forces the reset to adapters programmed to"
213 int expose_physicals = -1;
214 module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
215 MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays."
216 " -1=protect 0=off, 1=on");
218 int aac_reset_devices;
219 module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
220 MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
223 module_param_named(wwn, aac_wwn, int, S_IRUGO|S_IWUSR);
224 MODULE_PARM_DESC(wwn, "Select a WWN type for the arrays:\n"
226 "\t1 - Array Meta Data Signature (default)\n"
227 "\t2 - Adapter Serial Number");
230 static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
231 struct fib *fibptr) {
232 struct scsi_device *device;
234 if (unlikely(!scsicmd || !scsicmd->scsi_done)) {
235 dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"));
236 aac_fib_complete(fibptr);
237 aac_fib_free(fibptr);
240 scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
241 device = scsicmd->device;
242 if (unlikely(!device || !scsi_device_online(device))) {
243 dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
244 aac_fib_complete(fibptr);
245 aac_fib_free(fibptr);
252 * aac_get_config_status - check the adapter configuration
253 * @common: adapter to query
255 * Query config status, and commit the configuration if needed.
257 int aac_get_config_status(struct aac_dev *dev, int commit_flag)
262 if (!(fibptr = aac_fib_alloc(dev)))
265 aac_fib_init(fibptr);
267 struct aac_get_config_status *dinfo;
268 dinfo = (struct aac_get_config_status *) fib_data(fibptr);
270 dinfo->command = cpu_to_le32(VM_ContainerConfig);
271 dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
272 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
275 status = aac_fib_send(ContainerCommand,
277 sizeof (struct aac_get_config_status),
282 printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
284 struct aac_get_config_status_resp *reply
285 = (struct aac_get_config_status_resp *) fib_data(fibptr);
286 dprintk((KERN_WARNING
287 "aac_get_config_status: response=%d status=%d action=%d\n",
288 le32_to_cpu(reply->response),
289 le32_to_cpu(reply->status),
290 le32_to_cpu(reply->data.action)));
291 if ((le32_to_cpu(reply->response) != ST_OK) ||
292 (le32_to_cpu(reply->status) != CT_OK) ||
293 (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
294 printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
298 /* Do not set XferState to zero unless receives a response from F/W */
300 aac_fib_complete(fibptr);
302 /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
304 if ((aac_commit == 1) || commit_flag) {
305 struct aac_commit_config * dinfo;
306 aac_fib_init(fibptr);
307 dinfo = (struct aac_commit_config *) fib_data(fibptr);
309 dinfo->command = cpu_to_le32(VM_ContainerConfig);
310 dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
312 status = aac_fib_send(ContainerCommand,
314 sizeof (struct aac_commit_config),
318 /* Do not set XferState to zero unless
319 * receives a response from F/W */
321 aac_fib_complete(fibptr);
322 } else if (aac_commit == 0) {
324 "aac_get_config_status: Foreign device configurations are being ignored\n");
327 /* FIB should be freed only after getting the response from the F/W */
328 if (status != -ERESTARTSYS)
329 aac_fib_free(fibptr);
333 static void aac_expose_phy_device(struct scsi_cmnd *scsicmd)
336 scsi_sg_copy_to_buffer(scsicmd, &inq_data, sizeof(inq_data));
337 if ((inq_data & 0x20) && (inq_data & 0x1f) == TYPE_DISK) {
339 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
344 * aac_get_containers - list containers
345 * @common: adapter to probe
347 * Make a list of all containers on this controller
349 int aac_get_containers(struct aac_dev *dev)
351 struct fsa_dev_info *fsa_dev_ptr;
355 struct aac_get_container_count *dinfo;
356 struct aac_get_container_count_resp *dresp;
357 int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
359 if (!(fibptr = aac_fib_alloc(dev)))
362 aac_fib_init(fibptr);
363 dinfo = (struct aac_get_container_count *) fib_data(fibptr);
364 dinfo->command = cpu_to_le32(VM_ContainerConfig);
365 dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
367 status = aac_fib_send(ContainerCommand,
369 sizeof (struct aac_get_container_count),
374 dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
375 maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
376 aac_fib_complete(fibptr);
378 /* FIB should be freed only after getting the response from the F/W */
379 if (status != -ERESTARTSYS)
380 aac_fib_free(fibptr);
382 if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
383 maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
384 fsa_dev_ptr = kzalloc(sizeof(*fsa_dev_ptr) * maximum_num_containers,
389 dev->fsa_dev = fsa_dev_ptr;
390 dev->maximum_num_containers = maximum_num_containers;
392 for (index = 0; index < dev->maximum_num_containers; ) {
393 fsa_dev_ptr[index].devname[0] = '\0';
395 status = aac_probe_container(dev, index);
398 printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
403 * If there are no more containers, then stop asking.
405 if (++index >= status)
411 static void get_container_name_callback(void *context, struct fib * fibptr)
413 struct aac_get_name_resp * get_name_reply;
414 struct scsi_cmnd * scsicmd;
416 scsicmd = (struct scsi_cmnd *) context;
418 if (!aac_valid_context(scsicmd, fibptr))
421 dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
422 BUG_ON(fibptr == NULL);
424 get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
425 /* Failure is irrelevant, using default value instead */
426 if ((le32_to_cpu(get_name_reply->status) == CT_OK)
427 && (get_name_reply->data[0] != '\0')) {
428 char *sp = get_name_reply->data;
429 sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0';
433 struct inquiry_data inq;
434 char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
435 int count = sizeof(d);
438 *dp++ = (*sp) ? *sp++ : ' ';
439 } while (--count > 0);
441 scsi_sg_copy_to_buffer(scsicmd, &inq, sizeof(inq));
442 memcpy(inq.inqd_pid, d, sizeof(d));
443 scsi_sg_copy_from_buffer(scsicmd, &inq, sizeof(inq));
447 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
449 aac_fib_complete(fibptr);
450 aac_fib_free(fibptr);
451 scsicmd->scsi_done(scsicmd);
455 * aac_get_container_name - get container name, none blocking.
457 static int aac_get_container_name(struct scsi_cmnd * scsicmd)
460 struct aac_get_name *dinfo;
461 struct fib * cmd_fibcontext;
462 struct aac_dev * dev;
464 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
466 if (!(cmd_fibcontext = aac_fib_alloc(dev)))
469 aac_fib_init(cmd_fibcontext);
470 dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
471 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
473 dinfo->command = cpu_to_le32(VM_ContainerConfig);
474 dinfo->type = cpu_to_le32(CT_READ_NAME);
475 dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
476 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));
478 status = aac_fib_send(ContainerCommand,
480 sizeof (struct aac_get_name),
483 (fib_callback)get_container_name_callback,
487 * Check that the command queued to the controller
489 if (status == -EINPROGRESS)
492 printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
493 aac_fib_complete(cmd_fibcontext);
494 aac_fib_free(cmd_fibcontext);
498 static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
500 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
502 if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1))
503 return aac_scsi_cmd(scsicmd);
505 scsicmd->result = DID_NO_CONNECT << 16;
506 scsicmd->scsi_done(scsicmd);
510 static void _aac_probe_container2(void * context, struct fib * fibptr)
512 struct fsa_dev_info *fsa_dev_ptr;
513 int (*callback)(struct scsi_cmnd *);
514 struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context;
517 if (!aac_valid_context(scsicmd, fibptr))
520 scsicmd->SCp.Status = 0;
521 fsa_dev_ptr = fibptr->dev->fsa_dev;
523 struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
524 fsa_dev_ptr += scmd_id(scsicmd);
526 if ((le32_to_cpu(dresp->status) == ST_OK) &&
527 (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
528 (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
529 fsa_dev_ptr->valid = 1;
530 /* sense_key holds the current state of the spin-up */
531 if (dresp->mnt[0].state & cpu_to_le32(FSCS_NOT_READY))
532 fsa_dev_ptr->sense_data.sense_key = NOT_READY;
533 else if (fsa_dev_ptr->sense_data.sense_key == NOT_READY)
534 fsa_dev_ptr->sense_data.sense_key = NO_SENSE;
535 fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
537 = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
538 (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
539 fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0);
541 if ((fsa_dev_ptr->valid & 1) == 0)
542 fsa_dev_ptr->valid = 0;
543 scsicmd->SCp.Status = le32_to_cpu(dresp->count);
545 aac_fib_complete(fibptr);
546 aac_fib_free(fibptr);
547 callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr);
548 scsicmd->SCp.ptr = NULL;
549 (*callback)(scsicmd);
553 static void _aac_probe_container1(void * context, struct fib * fibptr)
555 struct scsi_cmnd * scsicmd;
556 struct aac_mount * dresp;
557 struct aac_query_mount *dinfo;
560 dresp = (struct aac_mount *) fib_data(fibptr);
561 dresp->mnt[0].capacityhigh = 0;
562 if ((le32_to_cpu(dresp->status) != ST_OK) ||
563 (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
564 _aac_probe_container2(context, fibptr);
567 scsicmd = (struct scsi_cmnd *) context;
569 if (!aac_valid_context(scsicmd, fibptr))
572 aac_fib_init(fibptr);
574 dinfo = (struct aac_query_mount *)fib_data(fibptr);
576 dinfo->command = cpu_to_le32(VM_NameServe64);
577 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
578 dinfo->type = cpu_to_le32(FT_FILESYS);
579 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
581 status = aac_fib_send(ContainerCommand,
583 sizeof(struct aac_query_mount),
586 _aac_probe_container2,
589 * Check that the command queued to the controller
591 if (status < 0 && status != -EINPROGRESS) {
592 /* Inherit results from VM_NameServe, if any */
593 dresp->status = cpu_to_le32(ST_OK);
594 _aac_probe_container2(context, fibptr);
598 static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
601 int status = -ENOMEM;
603 if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
604 struct aac_query_mount *dinfo;
606 aac_fib_init(fibptr);
608 dinfo = (struct aac_query_mount *)fib_data(fibptr);
610 dinfo->command = cpu_to_le32(VM_NameServe);
611 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
612 dinfo->type = cpu_to_le32(FT_FILESYS);
613 scsicmd->SCp.ptr = (char *)callback;
614 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
616 status = aac_fib_send(ContainerCommand,
618 sizeof(struct aac_query_mount),
621 _aac_probe_container1,
624 * Check that the command queued to the controller
626 if (status == -EINPROGRESS)
630 scsicmd->SCp.ptr = NULL;
631 aac_fib_complete(fibptr);
632 aac_fib_free(fibptr);
636 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
638 fsa_dev_ptr += scmd_id(scsicmd);
639 if ((fsa_dev_ptr->valid & 1) == 0) {
640 fsa_dev_ptr->valid = 0;
641 return (*callback)(scsicmd);
649 * aac_probe_container - query a logical volume
650 * @dev: device to query
651 * @cid: container identifier
653 * Queries the controller about the given volume. The volume information
654 * is updated in the struct fsa_dev_info structure rather than returned.
656 static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
658 scsicmd->device = NULL;
662 int aac_probe_container(struct aac_dev *dev, int cid)
664 struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL);
665 struct scsi_device *scsidev = kmalloc(sizeof(*scsidev), GFP_KERNEL);
668 if (!scsicmd || !scsidev) {
673 scsicmd->list.next = NULL;
674 scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))aac_probe_container_callback1;
676 scsicmd->device = scsidev;
677 scsidev->sdev_state = 0;
679 scsidev->host = dev->scsi_host_ptr;
681 if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
682 while (scsicmd->device == scsidev)
685 status = scsicmd->SCp.Status;
690 /* Local Structure to set SCSI inquiry data strings */
692 char vid[8]; /* Vendor ID */
693 char pid[16]; /* Product ID */
694 char prl[4]; /* Product Revision Level */
698 * InqStrCopy - string merge
699 * @a: string to copy from
700 * @b: string to copy to
702 * Copy a String from one location to another
706 static void inqstrcpy(char *a, char *b)
709 while (*a != (char)0)
713 static char *container_types[] = {
737 char * get_container_type(unsigned tindex)
739 if (tindex >= ARRAY_SIZE(container_types))
740 tindex = ARRAY_SIZE(container_types) - 1;
741 return container_types[tindex];
744 /* Function: setinqstr
746 * Arguments: [1] pointer to void [1] int
748 * Purpose: Sets SCSI inquiry data strings for vendor, product
749 * and revision level. Allows strings to be set in platform dependent
750 * files instead of in OS dependent driver source.
753 static void setinqstr(struct aac_dev *dev, void *data, int tindex)
755 struct scsi_inq *str;
757 str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
758 memset(str, ' ', sizeof(*str));
760 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
763 char *cname = kmemdup(dev->supplement_adapter_info.AdapterTypeText,
764 sizeof(dev->supplement_adapter_info.AdapterTypeText),
771 if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C'))
772 inqstrcpy("SMC", str->vid);
774 c = sizeof(str->vid);
775 while (*cp && *cp != ' ' && --c)
779 inqstrcpy(cname, str->vid);
781 while (*cp && *cp != ' ')
786 /* last six chars reserved for vol type */
788 if (strlen(cp) > sizeof(str->pid)) {
789 c = cp[sizeof(str->pid)];
790 cp[sizeof(str->pid)] = '\0';
792 inqstrcpy (cp, str->pid);
796 struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
798 inqstrcpy (mp->vname, str->vid);
799 /* last six chars reserved for vol type */
800 inqstrcpy (mp->model, str->pid);
803 if (tindex < ARRAY_SIZE(container_types)){
804 char *findit = str->pid;
806 for ( ; *findit != ' '; findit++); /* walk till we find a space */
807 /* RAID is superfluous in the context of a RAID device */
808 if (memcmp(findit-4, "RAID", 4) == 0)
809 *(findit -= 4) = ' ';
810 if (((findit - str->pid) + strlen(container_types[tindex]))
811 < (sizeof(str->pid) + sizeof(str->prl)))
812 inqstrcpy (container_types[tindex], findit + 1);
814 inqstrcpy ("V1.0", str->prl);
817 static void get_container_serial_callback(void *context, struct fib * fibptr)
819 struct aac_get_serial_resp * get_serial_reply;
820 struct scsi_cmnd * scsicmd;
822 BUG_ON(fibptr == NULL);
824 scsicmd = (struct scsi_cmnd *) context;
825 if (!aac_valid_context(scsicmd, fibptr))
828 get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr);
829 /* Failure is irrelevant, using default value instead */
830 if (le32_to_cpu(get_serial_reply->status) == CT_OK) {
834 sp[1] = scsicmd->cmnd[2];
836 sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
837 le32_to_cpu(get_serial_reply->uid));
838 scsi_sg_copy_from_buffer(scsicmd, sp, sizeof(sp));
841 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
843 aac_fib_complete(fibptr);
844 aac_fib_free(fibptr);
845 scsicmd->scsi_done(scsicmd);
849 * aac_get_container_serial - get container serial, none blocking.
851 static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
854 struct aac_get_serial *dinfo;
855 struct fib * cmd_fibcontext;
856 struct aac_dev * dev;
858 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
860 if (!(cmd_fibcontext = aac_fib_alloc(dev)))
863 aac_fib_init(cmd_fibcontext);
864 dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext);
866 dinfo->command = cpu_to_le32(VM_ContainerConfig);
867 dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID);
868 dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
869 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
871 status = aac_fib_send(ContainerCommand,
873 sizeof (struct aac_get_serial),
876 (fib_callback) get_container_serial_callback,
880 * Check that the command queued to the controller
882 if (status == -EINPROGRESS)
885 printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status);
886 aac_fib_complete(cmd_fibcontext);
887 aac_fib_free(cmd_fibcontext);
891 /* Function: setinqserial
893 * Arguments: [1] pointer to void [1] int
895 * Purpose: Sets SCSI Unit Serial number.
896 * This is a fake. We should read a proper
897 * serial number from the container. <SuSE>But
898 * without docs it's quite hard to do it :-)
899 * So this will have to do in the meantime.</SuSE>
902 static int setinqserial(struct aac_dev *dev, void *data, int cid)
905 * This breaks array migration.
907 return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X",
908 le32_to_cpu(dev->adapter_info.serial[0]), cid);
911 static inline void set_sense(struct sense_data *sense_data, u8 sense_key,
912 u8 sense_code, u8 a_sense_code, u8 bit_pointer, u16 field_pointer)
914 u8 *sense_buf = (u8 *)sense_data;
915 /* Sense data valid, err code 70h */
916 sense_buf[0] = 0x70; /* No info field */
917 sense_buf[1] = 0; /* Segment number, always zero */
919 sense_buf[2] = sense_key; /* Sense key */
921 sense_buf[12] = sense_code; /* Additional sense code */
922 sense_buf[13] = a_sense_code; /* Additional sense code qualifier */
924 if (sense_key == ILLEGAL_REQUEST) {
925 sense_buf[7] = 10; /* Additional sense length */
927 sense_buf[15] = bit_pointer;
928 /* Illegal parameter is in the parameter block */
929 if (sense_code == SENCODE_INVALID_CDB_FIELD)
930 sense_buf[15] |= 0xc0;/* Std sense key specific field */
931 /* Illegal parameter is in the CDB block */
932 sense_buf[16] = field_pointer >> 8; /* MSB */
933 sense_buf[17] = field_pointer; /* LSB */
935 sense_buf[7] = 6; /* Additional sense length */
938 static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
940 if (lba & 0xffffffff00000000LL) {
941 int cid = scmd_id(cmd);
942 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
943 cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
944 SAM_STAT_CHECK_CONDITION;
945 set_sense(&dev->fsa_dev[cid].sense_data,
946 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
947 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
948 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
949 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
950 SCSI_SENSE_BUFFERSIZE));
957 static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
962 static void io_callback(void *context, struct fib * fibptr);
964 static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
967 struct aac_raw_io *readcmd;
969 readcmd = (struct aac_raw_io *) fib_data(fib);
970 readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
971 readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
972 readcmd->count = cpu_to_le32(count<<9);
973 readcmd->cid = cpu_to_le16(scmd_id(cmd));
974 readcmd->flags = cpu_to_le16(IO_TYPE_READ);
975 readcmd->bpTotal = 0;
976 readcmd->bpComplete = 0;
978 aac_build_sgraw(cmd, &readcmd->sg);
979 fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
980 BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
982 * Now send the Fib to the adapter
984 return aac_fib_send(ContainerRawIo,
989 (fib_callback) io_callback,
993 static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
996 struct aac_read64 *readcmd;
998 readcmd = (struct aac_read64 *) fib_data(fib);
999 readcmd->command = cpu_to_le32(VM_CtHostRead64);
1000 readcmd->cid = cpu_to_le16(scmd_id(cmd));
1001 readcmd->sector_count = cpu_to_le16(count);
1002 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1006 aac_build_sg64(cmd, &readcmd->sg);
1007 fibsize = sizeof(struct aac_read64) +
1008 ((le32_to_cpu(readcmd->sg.count) - 1) *
1009 sizeof (struct sgentry64));
1010 BUG_ON (fibsize > (fib->dev->max_fib_size -
1011 sizeof(struct aac_fibhdr)));
1013 * Now send the Fib to the adapter
1015 return aac_fib_send(ContainerCommand64,
1020 (fib_callback) io_callback,
1024 static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1027 struct aac_read *readcmd;
1029 readcmd = (struct aac_read *) fib_data(fib);
1030 readcmd->command = cpu_to_le32(VM_CtBlockRead);
1031 readcmd->cid = cpu_to_le32(scmd_id(cmd));
1032 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1033 readcmd->count = cpu_to_le32(count * 512);
1035 aac_build_sg(cmd, &readcmd->sg);
1036 fibsize = sizeof(struct aac_read) +
1037 ((le32_to_cpu(readcmd->sg.count) - 1) *
1038 sizeof (struct sgentry));
1039 BUG_ON (fibsize > (fib->dev->max_fib_size -
1040 sizeof(struct aac_fibhdr)));
1042 * Now send the Fib to the adapter
1044 return aac_fib_send(ContainerCommand,
1049 (fib_callback) io_callback,
1053 static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1056 struct aac_raw_io *writecmd;
1058 writecmd = (struct aac_raw_io *) fib_data(fib);
1059 writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1060 writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1061 writecmd->count = cpu_to_le32(count<<9);
1062 writecmd->cid = cpu_to_le16(scmd_id(cmd));
1063 writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
1064 (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1065 cpu_to_le16(IO_TYPE_WRITE|IO_SUREWRITE) :
1066 cpu_to_le16(IO_TYPE_WRITE);
1067 writecmd->bpTotal = 0;
1068 writecmd->bpComplete = 0;
1070 aac_build_sgraw(cmd, &writecmd->sg);
1071 fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
1072 BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1074 * Now send the Fib to the adapter
1076 return aac_fib_send(ContainerRawIo,
1081 (fib_callback) io_callback,
1085 static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1088 struct aac_write64 *writecmd;
1090 writecmd = (struct aac_write64 *) fib_data(fib);
1091 writecmd->command = cpu_to_le32(VM_CtHostWrite64);
1092 writecmd->cid = cpu_to_le16(scmd_id(cmd));
1093 writecmd->sector_count = cpu_to_le16(count);
1094 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1096 writecmd->flags = 0;
1098 aac_build_sg64(cmd, &writecmd->sg);
1099 fibsize = sizeof(struct aac_write64) +
1100 ((le32_to_cpu(writecmd->sg.count) - 1) *
1101 sizeof (struct sgentry64));
1102 BUG_ON (fibsize > (fib->dev->max_fib_size -
1103 sizeof(struct aac_fibhdr)));
1105 * Now send the Fib to the adapter
1107 return aac_fib_send(ContainerCommand64,
1112 (fib_callback) io_callback,
1116 static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1119 struct aac_write *writecmd;
1121 writecmd = (struct aac_write *) fib_data(fib);
1122 writecmd->command = cpu_to_le32(VM_CtBlockWrite);
1123 writecmd->cid = cpu_to_le32(scmd_id(cmd));
1124 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1125 writecmd->count = cpu_to_le32(count * 512);
1126 writecmd->sg.count = cpu_to_le32(1);
1127 /* ->stable is not used - it did mean which type of write */
1129 aac_build_sg(cmd, &writecmd->sg);
1130 fibsize = sizeof(struct aac_write) +
1131 ((le32_to_cpu(writecmd->sg.count) - 1) *
1132 sizeof (struct sgentry));
1133 BUG_ON (fibsize > (fib->dev->max_fib_size -
1134 sizeof(struct aac_fibhdr)));
1136 * Now send the Fib to the adapter
1138 return aac_fib_send(ContainerCommand,
1143 (fib_callback) io_callback,
1147 static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
1149 struct aac_srb * srbcmd;
1154 switch(cmd->sc_data_direction){
1158 case DMA_BIDIRECTIONAL:
1159 flag = SRB_DataIn | SRB_DataOut;
1161 case DMA_FROM_DEVICE:
1165 default: /* shuts up some versions of gcc */
1166 flag = SRB_NoDataXfer;
1170 srbcmd = (struct aac_srb*) fib_data(fib);
1171 srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1172 srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1173 srbcmd->id = cpu_to_le32(scmd_id(cmd));
1174 srbcmd->lun = cpu_to_le32(cmd->device->lun);
1175 srbcmd->flags = cpu_to_le32(flag);
1176 timeout = cmd->request->timeout/HZ;
1179 srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds
1180 srbcmd->retry_limit = 0; /* Obsolete parameter */
1181 srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1185 static void aac_srb_callback(void *context, struct fib * fibptr);
1187 static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1190 struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1192 aac_build_sg64(cmd, (struct sgmap64*) &srbcmd->sg);
1193 srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1195 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1196 memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1198 * Build Scatter/Gather list
1200 fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1201 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1202 sizeof (struct sgentry64));
1203 BUG_ON (fibsize > (fib->dev->max_fib_size -
1204 sizeof(struct aac_fibhdr)));
1207 * Now send the Fib to the adapter
1209 return aac_fib_send(ScsiPortCommand64, fib,
1210 fibsize, FsaNormal, 0, 1,
1211 (fib_callback) aac_srb_callback,
1215 static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1218 struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1220 aac_build_sg(cmd, (struct sgmap*)&srbcmd->sg);
1221 srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1223 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1224 memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1226 * Build Scatter/Gather list
1228 fibsize = sizeof (struct aac_srb) +
1229 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1230 sizeof (struct sgentry));
1231 BUG_ON (fibsize > (fib->dev->max_fib_size -
1232 sizeof(struct aac_fibhdr)));
1235 * Now send the Fib to the adapter
1237 return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1238 (fib_callback) aac_srb_callback, (void *) cmd);
1241 static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd)
1243 if ((sizeof(dma_addr_t) > 4) && fib->dev->needs_dac &&
1244 (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64))
1246 return aac_scsi_32(fib, cmd);
1249 int aac_get_adapter_info(struct aac_dev* dev)
1254 struct aac_adapter_info *info;
1255 struct aac_bus_info *command;
1256 struct aac_bus_info_response *bus_info;
1258 if (!(fibptr = aac_fib_alloc(dev)))
1261 aac_fib_init(fibptr);
1262 info = (struct aac_adapter_info *) fib_data(fibptr);
1263 memset(info,0,sizeof(*info));
1265 rcode = aac_fib_send(RequestAdapterInfo,
1269 -1, 1, /* First `interrupt' command uses special wait */
1274 /* FIB should be freed only after
1275 * getting the response from the F/W */
1276 if (rcode != -ERESTARTSYS) {
1277 aac_fib_complete(fibptr);
1278 aac_fib_free(fibptr);
1282 memcpy(&dev->adapter_info, info, sizeof(*info));
1284 if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
1285 struct aac_supplement_adapter_info * sinfo;
1287 aac_fib_init(fibptr);
1289 sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr);
1291 memset(sinfo,0,sizeof(*sinfo));
1293 rcode = aac_fib_send(RequestSupplementAdapterInfo,
1302 memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo));
1303 if (rcode == -ERESTARTSYS) {
1304 fibptr = aac_fib_alloc(dev);
1316 aac_fib_init(fibptr);
1318 bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
1320 memset(bus_info, 0, sizeof(*bus_info));
1322 command = (struct aac_bus_info *)bus_info;
1324 command->Command = cpu_to_le32(VM_Ioctl);
1325 command->ObjType = cpu_to_le32(FT_DRIVE);
1326 command->MethodId = cpu_to_le32(1);
1327 command->CtlCmd = cpu_to_le32(GetBusInfo);
1329 rcode = aac_fib_send(ContainerCommand,
1336 /* reasoned default */
1337 dev->maximum_num_physicals = 16;
1338 if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
1339 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
1340 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
1343 if (!dev->in_reset) {
1345 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1346 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
1352 le32_to_cpu(dev->adapter_info.kernelbuild),
1353 (int)sizeof(dev->supplement_adapter_info.BuildDate),
1354 dev->supplement_adapter_info.BuildDate);
1355 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1356 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
1358 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1359 le32_to_cpu(dev->adapter_info.monitorbuild));
1360 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1361 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
1363 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1364 le32_to_cpu(dev->adapter_info.biosbuild));
1366 if (aac_get_serial_number(
1367 shost_to_class(dev->scsi_host_ptr), buffer))
1368 printk(KERN_INFO "%s%d: serial %s",
1369 dev->name, dev->id, buffer);
1370 if (dev->supplement_adapter_info.VpdInfo.Tsid[0]) {
1371 printk(KERN_INFO "%s%d: TSID %.*s\n",
1373 (int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid),
1374 dev->supplement_adapter_info.VpdInfo.Tsid);
1376 if (!aac_check_reset || ((aac_check_reset == 1) &&
1377 (dev->supplement_adapter_info.SupportedOptions2 &
1378 AAC_OPTION_IGNORE_RESET))) {
1379 printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
1380 dev->name, dev->id);
1384 dev->cache_protected = 0;
1385 dev->jbod = ((dev->supplement_adapter_info.FeatureBits &
1386 AAC_FEATURE_JBOD) != 0);
1387 dev->nondasd_support = 0;
1388 dev->raid_scsi_mode = 0;
1389 if(dev->adapter_info.options & AAC_OPT_NONDASD)
1390 dev->nondasd_support = 1;
1393 * If the firmware supports ROMB RAID/SCSI mode and we are currently
1394 * in RAID/SCSI mode, set the flag. For now if in this mode we will
1395 * force nondasd support on. If we decide to allow the non-dasd flag
1396 * additional changes changes will have to be made to support
1397 * RAID/SCSI. the function aac_scsi_cmd in this module will have to be
1398 * changed to support the new dev->raid_scsi_mode flag instead of
1399 * leaching off of the dev->nondasd_support flag. Also in linit.c the
1400 * function aac_detect will have to be modified where it sets up the
1401 * max number of channels based on the aac->nondasd_support flag only.
1403 if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
1404 (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
1405 dev->nondasd_support = 1;
1406 dev->raid_scsi_mode = 1;
1408 if (dev->raid_scsi_mode != 0)
1409 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
1410 dev->name, dev->id);
1413 dev->nondasd_support = (nondasd!=0);
1414 if (dev->nondasd_support && !dev->in_reset)
1415 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
1417 if (dma_get_required_mask(&dev->pdev->dev) > DMA_BIT_MASK(32))
1419 dev->dac_support = 0;
1420 if ((sizeof(dma_addr_t) > 4) && dev->needs_dac &&
1421 (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) {
1423 printk(KERN_INFO "%s%d: 64bit support enabled.\n",
1424 dev->name, dev->id);
1425 dev->dac_support = 1;
1429 dev->dac_support = (dacmode!=0);
1432 /* avoid problems with AAC_QUIRK_SCSI_32 controllers */
1433 if (dev->dac_support && (aac_get_driver_ident(dev->cardtype)->quirks
1434 & AAC_QUIRK_SCSI_32)) {
1435 dev->nondasd_support = 0;
1437 expose_physicals = 0;
1440 if(dev->dac_support != 0) {
1441 if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(64)) &&
1442 !pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(64))) {
1444 printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
1445 dev->name, dev->id);
1446 } else if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(32)) &&
1447 !pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(32))) {
1448 printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
1449 dev->name, dev->id);
1450 dev->dac_support = 0;
1452 printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
1453 dev->name, dev->id);
1458 * Deal with configuring for the individualized limits of each packet
1461 dev->a_ops.adapter_scsi = (dev->dac_support)
1462 ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32)
1466 if (dev->raw_io_interface) {
1467 dev->a_ops.adapter_bounds = (dev->raw_io_64)
1470 dev->a_ops.adapter_read = aac_read_raw_io;
1471 dev->a_ops.adapter_write = aac_write_raw_io;
1473 dev->a_ops.adapter_bounds = aac_bounds_32;
1474 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
1475 sizeof(struct aac_fibhdr) -
1476 sizeof(struct aac_write) + sizeof(struct sgentry)) /
1477 sizeof(struct sgentry);
1478 if (dev->dac_support) {
1479 dev->a_ops.adapter_read = aac_read_block64;
1480 dev->a_ops.adapter_write = aac_write_block64;
1482 * 38 scatter gather elements
1484 dev->scsi_host_ptr->sg_tablesize =
1485 (dev->max_fib_size -
1486 sizeof(struct aac_fibhdr) -
1487 sizeof(struct aac_write64) +
1488 sizeof(struct sgentry64)) /
1489 sizeof(struct sgentry64);
1491 dev->a_ops.adapter_read = aac_read_block;
1492 dev->a_ops.adapter_write = aac_write_block;
1494 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
1495 if (dev->adapter_info.options & AAC_OPT_NEW_COMM_TYPE1)
1496 dev->adapter_info.options |= AAC_OPT_NEW_COMM;
1497 if (!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
1499 * Worst case size that could cause sg overflow when
1500 * we break up SG elements that are larger than 64KB.
1501 * Would be nice if we could tell the SCSI layer what
1502 * the maximum SG element size can be. Worst case is
1503 * (sg_tablesize-1) 4KB elements with one 64KB
1505 * 32bit -> 468 or 238KB 64bit -> 424 or 212KB
1507 dev->scsi_host_ptr->max_sectors =
1508 (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
1511 /* FIB should be freed only after getting the response from the F/W */
1512 if (rcode != -ERESTARTSYS) {
1513 aac_fib_complete(fibptr);
1514 aac_fib_free(fibptr);
1521 static void io_callback(void *context, struct fib * fibptr)
1523 struct aac_dev *dev;
1524 struct aac_read_reply *readreply;
1525 struct scsi_cmnd *scsicmd;
1528 scsicmd = (struct scsi_cmnd *) context;
1530 if (!aac_valid_context(scsicmd, fibptr))
1534 cid = scmd_id(scsicmd);
1536 if (nblank(dprintk(x))) {
1538 switch (scsicmd->cmnd[0]) {
1541 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1542 (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1546 lba = ((u64)scsicmd->cmnd[2] << 56) |
1547 ((u64)scsicmd->cmnd[3] << 48) |
1548 ((u64)scsicmd->cmnd[4] << 40) |
1549 ((u64)scsicmd->cmnd[5] << 32) |
1550 ((u64)scsicmd->cmnd[6] << 24) |
1551 (scsicmd->cmnd[7] << 16) |
1552 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1556 lba = ((u64)scsicmd->cmnd[2] << 24) |
1557 (scsicmd->cmnd[3] << 16) |
1558 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1561 lba = ((u64)scsicmd->cmnd[2] << 24) |
1562 (scsicmd->cmnd[3] << 16) |
1563 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1567 "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
1568 smp_processor_id(), (unsigned long long)lba, jiffies);
1571 BUG_ON(fibptr == NULL);
1573 scsi_dma_unmap(scsicmd);
1575 readreply = (struct aac_read_reply *)fib_data(fibptr);
1576 switch (le32_to_cpu(readreply->status)) {
1578 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1580 dev->fsa_dev[cid].sense_data.sense_key = NO_SENSE;
1583 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1584 SAM_STAT_CHECK_CONDITION;
1585 set_sense(&dev->fsa_dev[cid].sense_data, NOT_READY,
1586 SENCODE_BECOMING_READY, ASENCODE_BECOMING_READY, 0, 0);
1587 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1588 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1589 SCSI_SENSE_BUFFERSIZE));
1592 #ifdef AAC_DETAILED_STATUS_INFO
1593 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
1594 le32_to_cpu(readreply->status));
1596 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1597 SAM_STAT_CHECK_CONDITION;
1598 set_sense(&dev->fsa_dev[cid].sense_data,
1599 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1600 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1601 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1602 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1603 SCSI_SENSE_BUFFERSIZE));
1606 aac_fib_complete(fibptr);
1607 aac_fib_free(fibptr);
1609 scsicmd->scsi_done(scsicmd);
1612 static int aac_read(struct scsi_cmnd * scsicmd)
1617 struct aac_dev *dev;
1618 struct fib * cmd_fibcontext;
1621 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1623 * Get block address and transfer length
1625 switch (scsicmd->cmnd[0]) {
1627 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
1629 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1630 (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1631 count = scsicmd->cmnd[4];
1637 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
1639 lba = ((u64)scsicmd->cmnd[2] << 56) |
1640 ((u64)scsicmd->cmnd[3] << 48) |
1641 ((u64)scsicmd->cmnd[4] << 40) |
1642 ((u64)scsicmd->cmnd[5] << 32) |
1643 ((u64)scsicmd->cmnd[6] << 24) |
1644 (scsicmd->cmnd[7] << 16) |
1645 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1646 count = (scsicmd->cmnd[10] << 24) |
1647 (scsicmd->cmnd[11] << 16) |
1648 (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1651 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
1653 lba = ((u64)scsicmd->cmnd[2] << 24) |
1654 (scsicmd->cmnd[3] << 16) |
1655 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1656 count = (scsicmd->cmnd[6] << 24) |
1657 (scsicmd->cmnd[7] << 16) |
1658 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1661 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
1663 lba = ((u64)scsicmd->cmnd[2] << 24) |
1664 (scsicmd->cmnd[3] << 16) |
1665 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1666 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1670 if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
1671 cid = scmd_id(scsicmd);
1672 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
1673 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1674 SAM_STAT_CHECK_CONDITION;
1675 set_sense(&dev->fsa_dev[cid].sense_data,
1676 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1677 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1678 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1679 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1680 SCSI_SENSE_BUFFERSIZE));
1681 scsicmd->scsi_done(scsicmd);
1685 dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
1686 smp_processor_id(), (unsigned long long)lba, jiffies));
1687 if (aac_adapter_bounds(dev,scsicmd,lba))
1690 * Alocate and initialize a Fib
1692 if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1693 printk(KERN_WARNING "aac_read: fib allocation failed\n");
1696 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1697 status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
1700 * Check that the command queued to the controller
1702 if (status == -EINPROGRESS)
1705 printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
1707 * For some reason, the Fib didn't queue, return QUEUE_FULL
1709 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1710 scsicmd->scsi_done(scsicmd);
1711 aac_fib_complete(cmd_fibcontext);
1712 aac_fib_free(cmd_fibcontext);
1716 static int aac_write(struct scsi_cmnd * scsicmd)
1722 struct aac_dev *dev;
1723 struct fib * cmd_fibcontext;
1726 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1728 * Get block address and transfer length
1730 if (scsicmd->cmnd[0] == WRITE_6) /* 6 byte command */
1732 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1733 count = scsicmd->cmnd[4];
1737 } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
1738 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
1740 lba = ((u64)scsicmd->cmnd[2] << 56) |
1741 ((u64)scsicmd->cmnd[3] << 48) |
1742 ((u64)scsicmd->cmnd[4] << 40) |
1743 ((u64)scsicmd->cmnd[5] << 32) |
1744 ((u64)scsicmd->cmnd[6] << 24) |
1745 (scsicmd->cmnd[7] << 16) |
1746 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1747 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
1748 (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1749 fua = scsicmd->cmnd[1] & 0x8;
1750 } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
1751 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
1753 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
1754 | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1755 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
1756 | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1757 fua = scsicmd->cmnd[1] & 0x8;
1759 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
1760 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1761 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1762 fua = scsicmd->cmnd[1] & 0x8;
1765 if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
1766 cid = scmd_id(scsicmd);
1767 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
1768 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1769 SAM_STAT_CHECK_CONDITION;
1770 set_sense(&dev->fsa_dev[cid].sense_data,
1771 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1772 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1773 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1774 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1775 SCSI_SENSE_BUFFERSIZE));
1776 scsicmd->scsi_done(scsicmd);
1780 dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
1781 smp_processor_id(), (unsigned long long)lba, jiffies));
1782 if (aac_adapter_bounds(dev,scsicmd,lba))
1785 * Allocate and initialize a Fib then setup a BlockWrite command
1787 if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1788 /* FIB temporarily unavailable,not catastrophic failure */
1790 /* scsicmd->result = DID_ERROR << 16;
1791 * scsicmd->scsi_done(scsicmd);
1794 printk(KERN_WARNING "aac_write: fib allocation failed\n");
1797 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1798 status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
1801 * Check that the command queued to the controller
1803 if (status == -EINPROGRESS)
1806 printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
1808 * For some reason, the Fib didn't queue, return QUEUE_FULL
1810 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1811 scsicmd->scsi_done(scsicmd);
1813 aac_fib_complete(cmd_fibcontext);
1814 aac_fib_free(cmd_fibcontext);
1818 static void synchronize_callback(void *context, struct fib *fibptr)
1820 struct aac_synchronize_reply *synchronizereply;
1821 struct scsi_cmnd *cmd;
1825 if (!aac_valid_context(cmd, fibptr))
1828 dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
1829 smp_processor_id(), jiffies));
1830 BUG_ON(fibptr == NULL);
1833 synchronizereply = fib_data(fibptr);
1834 if (le32_to_cpu(synchronizereply->status) == CT_OK)
1835 cmd->result = DID_OK << 16 |
1836 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1838 struct scsi_device *sdev = cmd->device;
1839 struct aac_dev *dev = fibptr->dev;
1840 u32 cid = sdev_id(sdev);
1842 "synchronize_callback: synchronize failed, status = %d\n",
1843 le32_to_cpu(synchronizereply->status));
1844 cmd->result = DID_OK << 16 |
1845 COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1846 set_sense(&dev->fsa_dev[cid].sense_data,
1847 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1848 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1849 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1850 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1851 SCSI_SENSE_BUFFERSIZE));
1854 aac_fib_complete(fibptr);
1855 aac_fib_free(fibptr);
1856 cmd->scsi_done(cmd);
1859 static int aac_synchronize(struct scsi_cmnd *scsicmd)
1862 struct fib *cmd_fibcontext;
1863 struct aac_synchronize *synchronizecmd;
1864 struct scsi_cmnd *cmd;
1865 struct scsi_device *sdev = scsicmd->device;
1867 struct aac_dev *aac;
1868 u64 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) |
1869 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1870 u32 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1871 unsigned long flags;
1874 * Wait for all outstanding queued commands to complete to this
1875 * specific target (block).
1877 spin_lock_irqsave(&sdev->list_lock, flags);
1878 list_for_each_entry(cmd, &sdev->cmd_list, list)
1879 if (cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
1883 if (cmd->cmnd[0] == WRITE_6) {
1884 cmnd_lba = ((cmd->cmnd[1] & 0x1F) << 16) |
1885 (cmd->cmnd[2] << 8) |
1887 cmnd_count = cmd->cmnd[4];
1888 if (cmnd_count == 0)
1890 } else if (cmd->cmnd[0] == WRITE_16) {
1891 cmnd_lba = ((u64)cmd->cmnd[2] << 56) |
1892 ((u64)cmd->cmnd[3] << 48) |
1893 ((u64)cmd->cmnd[4] << 40) |
1894 ((u64)cmd->cmnd[5] << 32) |
1895 ((u64)cmd->cmnd[6] << 24) |
1896 (cmd->cmnd[7] << 16) |
1897 (cmd->cmnd[8] << 8) |
1899 cmnd_count = (cmd->cmnd[10] << 24) |
1900 (cmd->cmnd[11] << 16) |
1901 (cmd->cmnd[12] << 8) |
1903 } else if (cmd->cmnd[0] == WRITE_12) {
1904 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
1905 (cmd->cmnd[3] << 16) |
1906 (cmd->cmnd[4] << 8) |
1908 cmnd_count = (cmd->cmnd[6] << 24) |
1909 (cmd->cmnd[7] << 16) |
1910 (cmd->cmnd[8] << 8) |
1912 } else if (cmd->cmnd[0] == WRITE_10) {
1913 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
1914 (cmd->cmnd[3] << 16) |
1915 (cmd->cmnd[4] << 8) |
1917 cmnd_count = (cmd->cmnd[7] << 8) |
1921 if (((cmnd_lba + cmnd_count) < lba) ||
1922 (count && ((lba + count) < cmnd_lba)))
1928 spin_unlock_irqrestore(&sdev->list_lock, flags);
1931 * Yield the processor (requeue for later)
1934 return SCSI_MLQUEUE_DEVICE_BUSY;
1936 aac = (struct aac_dev *)sdev->host->hostdata;
1938 return SCSI_MLQUEUE_HOST_BUSY;
1941 * Allocate and initialize a Fib
1943 if (!(cmd_fibcontext = aac_fib_alloc(aac)))
1944 return SCSI_MLQUEUE_HOST_BUSY;
1946 aac_fib_init(cmd_fibcontext);
1948 synchronizecmd = fib_data(cmd_fibcontext);
1949 synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
1950 synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
1951 synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
1952 synchronizecmd->count =
1953 cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
1954 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1957 * Now send the Fib to the adapter
1959 status = aac_fib_send(ContainerCommand,
1961 sizeof(struct aac_synchronize),
1964 (fib_callback)synchronize_callback,
1968 * Check that the command queued to the controller
1970 if (status == -EINPROGRESS)
1974 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
1975 aac_fib_complete(cmd_fibcontext);
1976 aac_fib_free(cmd_fibcontext);
1977 return SCSI_MLQUEUE_HOST_BUSY;
1980 static void aac_start_stop_callback(void *context, struct fib *fibptr)
1982 struct scsi_cmnd *scsicmd = context;
1984 if (!aac_valid_context(scsicmd, fibptr))
1987 BUG_ON(fibptr == NULL);
1989 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1991 aac_fib_complete(fibptr);
1992 aac_fib_free(fibptr);
1993 scsicmd->scsi_done(scsicmd);
1996 static int aac_start_stop(struct scsi_cmnd *scsicmd)
1999 struct fib *cmd_fibcontext;
2000 struct aac_power_management *pmcmd;
2001 struct scsi_device *sdev = scsicmd->device;
2002 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
2004 if (!(aac->supplement_adapter_info.SupportedOptions2 &
2005 AAC_OPTION_POWER_MANAGEMENT)) {
2006 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2008 scsicmd->scsi_done(scsicmd);
2013 return SCSI_MLQUEUE_HOST_BUSY;
2016 * Allocate and initialize a Fib
2018 cmd_fibcontext = aac_fib_alloc(aac);
2019 if (!cmd_fibcontext)
2020 return SCSI_MLQUEUE_HOST_BUSY;
2022 aac_fib_init(cmd_fibcontext);
2024 pmcmd = fib_data(cmd_fibcontext);
2025 pmcmd->command = cpu_to_le32(VM_ContainerConfig);
2026 pmcmd->type = cpu_to_le32(CT_POWER_MANAGEMENT);
2027 /* Eject bit ignored, not relevant */
2028 pmcmd->sub = (scsicmd->cmnd[4] & 1) ?
2029 cpu_to_le32(CT_PM_START_UNIT) : cpu_to_le32(CT_PM_STOP_UNIT);
2030 pmcmd->cid = cpu_to_le32(sdev_id(sdev));
2031 pmcmd->parm = (scsicmd->cmnd[1] & 1) ?
2032 cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0;
2033 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2036 * Now send the Fib to the adapter
2038 status = aac_fib_send(ContainerCommand,
2040 sizeof(struct aac_power_management),
2043 (fib_callback)aac_start_stop_callback,
2047 * Check that the command queued to the controller
2049 if (status == -EINPROGRESS)
2052 aac_fib_complete(cmd_fibcontext);
2053 aac_fib_free(cmd_fibcontext);
2054 return SCSI_MLQUEUE_HOST_BUSY;
2058 * aac_scsi_cmd() - Process SCSI command
2059 * @scsicmd: SCSI command block
2061 * Emulate a SCSI command and queue the required request for the
2065 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
2068 struct Scsi_Host *host = scsicmd->device->host;
2069 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
2070 struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
2072 if (fsa_dev_ptr == NULL)
2075 * If the bus, id or lun is out of range, return fail
2076 * Test does not apply to ID 16, the pseudo id for the controller
2079 cid = scmd_id(scsicmd);
2080 if (cid != host->this_id) {
2081 if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
2082 if((cid >= dev->maximum_num_containers) ||
2083 (scsicmd->device->lun != 0)) {
2084 scsicmd->result = DID_NO_CONNECT << 16;
2085 scsicmd->scsi_done(scsicmd);
2090 * If the target container doesn't exist, it may have
2091 * been newly created
2093 if (((fsa_dev_ptr[cid].valid & 1) == 0) ||
2094 (fsa_dev_ptr[cid].sense_data.sense_key ==
2096 switch (scsicmd->cmnd[0]) {
2097 case SERVICE_ACTION_IN:
2098 if (!(dev->raw_io_interface) ||
2099 !(dev->raw_io_64) ||
2100 ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2104 case TEST_UNIT_READY:
2107 return _aac_probe_container(scsicmd,
2108 aac_probe_container_callback2);
2113 } else { /* check for physical non-dasd devices */
2114 if (dev->nondasd_support || expose_physicals ||
2118 return aac_send_srb_fib(scsicmd);
2120 scsicmd->result = DID_NO_CONNECT << 16;
2121 scsicmd->scsi_done(scsicmd);
2127 * else Command for the controller itself
2129 else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */
2130 (scsicmd->cmnd[0] != TEST_UNIT_READY))
2132 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
2133 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2134 set_sense(&dev->fsa_dev[cid].sense_data,
2135 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2136 ASENCODE_INVALID_COMMAND, 0, 0);
2137 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2138 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2139 SCSI_SENSE_BUFFERSIZE));
2140 scsicmd->scsi_done(scsicmd);
2145 /* Handle commands here that don't really require going out to the adapter */
2146 switch (scsicmd->cmnd[0]) {
2149 struct inquiry_data inq_data;
2151 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
2152 memset(&inq_data, 0, sizeof (struct inquiry_data));
2154 if ((scsicmd->cmnd[1] & 0x1) && aac_wwn) {
2155 char *arr = (char *)&inq_data;
2158 arr[0] = (scmd_id(scsicmd) == host->this_id) ?
2159 INQD_PDT_PROC : INQD_PDT_DA;
2160 if (scsicmd->cmnd[2] == 0) {
2161 /* supported vital product data pages */
2165 arr[1] = scsicmd->cmnd[2];
2166 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2168 scsicmd->result = DID_OK << 16 |
2169 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2170 } else if (scsicmd->cmnd[2] == 0x80) {
2171 /* unit serial number page */
2172 arr[3] = setinqserial(dev, &arr[4],
2174 arr[1] = scsicmd->cmnd[2];
2175 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2178 return aac_get_container_serial(
2180 /* SLES 10 SP1 special */
2181 scsicmd->result = DID_OK << 16 |
2182 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2184 /* vpd page not implemented */
2185 scsicmd->result = DID_OK << 16 |
2186 COMMAND_COMPLETE << 8 |
2187 SAM_STAT_CHECK_CONDITION;
2188 set_sense(&dev->fsa_dev[cid].sense_data,
2189 ILLEGAL_REQUEST, SENCODE_INVALID_CDB_FIELD,
2190 ASENCODE_NO_SENSE, 7, 2);
2191 memcpy(scsicmd->sense_buffer,
2192 &dev->fsa_dev[cid].sense_data,
2194 sizeof(dev->fsa_dev[cid].sense_data),
2195 SCSI_SENSE_BUFFERSIZE));
2197 scsicmd->scsi_done(scsicmd);
2200 inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */
2201 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 */
2202 inq_data.inqd_len = 31;
2203 /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
2204 inq_data.inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */
2206 * Set the Vendor, Product, and Revision Level
2207 * see: <vendor>.c i.e. aac.c
2209 if (cid == host->this_id) {
2210 setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
2211 inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */
2212 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2214 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2215 scsicmd->scsi_done(scsicmd);
2220 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
2221 inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */
2222 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
2223 return aac_get_container_name(scsicmd);
2225 case SERVICE_ACTION_IN:
2226 if (!(dev->raw_io_interface) ||
2227 !(dev->raw_io_64) ||
2228 ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2233 unsigned int alloc_len;
2235 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
2236 capacity = fsa_dev_ptr[cid].size - 1;
2237 cp[0] = (capacity >> 56) & 0xff;
2238 cp[1] = (capacity >> 48) & 0xff;
2239 cp[2] = (capacity >> 40) & 0xff;
2240 cp[3] = (capacity >> 32) & 0xff;
2241 cp[4] = (capacity >> 24) & 0xff;
2242 cp[5] = (capacity >> 16) & 0xff;
2243 cp[6] = (capacity >> 8) & 0xff;
2244 cp[7] = (capacity >> 0) & 0xff;
2251 alloc_len = ((scsicmd->cmnd[10] << 24)
2252 + (scsicmd->cmnd[11] << 16)
2253 + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);
2255 alloc_len = min_t(size_t, alloc_len, sizeof(cp));
2256 scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len);
2257 if (alloc_len < scsi_bufflen(scsicmd))
2258 scsi_set_resid(scsicmd,
2259 scsi_bufflen(scsicmd) - alloc_len);
2261 /* Do not cache partition table for arrays */
2262 scsicmd->device->removable = 1;
2264 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2265 scsicmd->scsi_done(scsicmd);
2275 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
2276 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
2277 capacity = fsa_dev_ptr[cid].size - 1;
2281 cp[0] = (capacity >> 24) & 0xff;
2282 cp[1] = (capacity >> 16) & 0xff;
2283 cp[2] = (capacity >> 8) & 0xff;
2284 cp[3] = (capacity >> 0) & 0xff;
2289 scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
2290 /* Do not cache partition table for arrays */
2291 scsicmd->device->removable = 1;
2292 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2294 scsicmd->scsi_done(scsicmd);
2302 int mode_buf_length = 4;
2304 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
2305 mode_buf[0] = 3; /* Mode data length */
2306 mode_buf[1] = 0; /* Medium type - default */
2307 mode_buf[2] = 0; /* Device-specific param,
2308 bit 8: 0/1 = write enabled/protected
2309 bit 4: 0/1 = FUA enabled */
2310 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
2312 mode_buf[3] = 0; /* Block descriptor length */
2313 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
2314 ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
2318 mode_buf[6] = ((aac_cache & 6) == 2)
2319 ? 0 : 0x04; /* WCE */
2320 mode_buf_length = 7;
2321 if (mode_buf_length > scsicmd->cmnd[4])
2322 mode_buf_length = scsicmd->cmnd[4];
2324 scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length);
2325 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2326 scsicmd->scsi_done(scsicmd);
2333 int mode_buf_length = 8;
2335 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
2336 mode_buf[0] = 0; /* Mode data length (MSB) */
2337 mode_buf[1] = 6; /* Mode data length (LSB) */
2338 mode_buf[2] = 0; /* Medium type - default */
2339 mode_buf[3] = 0; /* Device-specific param,
2340 bit 8: 0/1 = write enabled/protected
2341 bit 4: 0/1 = FUA enabled */
2342 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
2344 mode_buf[4] = 0; /* reserved */
2345 mode_buf[5] = 0; /* reserved */
2346 mode_buf[6] = 0; /* Block descriptor length (MSB) */
2347 mode_buf[7] = 0; /* Block descriptor length (LSB) */
2348 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
2349 ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
2353 mode_buf[10] = ((aac_cache & 6) == 2)
2354 ? 0 : 0x04; /* WCE */
2355 mode_buf_length = 11;
2356 if (mode_buf_length > scsicmd->cmnd[8])
2357 mode_buf_length = scsicmd->cmnd[8];
2359 scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length);
2361 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2362 scsicmd->scsi_done(scsicmd);
2367 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
2368 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
2369 memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
2370 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2371 scsicmd->scsi_done(scsicmd);
2374 case ALLOW_MEDIUM_REMOVAL:
2375 dprintk((KERN_DEBUG "LOCK command.\n"));
2376 if (scsicmd->cmnd[4])
2377 fsa_dev_ptr[cid].locked = 1;
2379 fsa_dev_ptr[cid].locked = 0;
2381 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2382 scsicmd->scsi_done(scsicmd);
2385 * These commands are all No-Ops
2387 case TEST_UNIT_READY:
2388 if (fsa_dev_ptr[cid].sense_data.sense_key == NOT_READY) {
2389 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2390 SAM_STAT_CHECK_CONDITION;
2391 set_sense(&dev->fsa_dev[cid].sense_data,
2392 NOT_READY, SENCODE_BECOMING_READY,
2393 ASENCODE_BECOMING_READY, 0, 0);
2394 memcpy(scsicmd->sense_buffer,
2395 &dev->fsa_dev[cid].sense_data,
2397 sizeof(dev->fsa_dev[cid].sense_data),
2398 SCSI_SENSE_BUFFERSIZE));
2399 scsicmd->scsi_done(scsicmd);
2406 case REASSIGN_BLOCKS:
2408 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2409 scsicmd->scsi_done(scsicmd);
2413 return aac_start_stop(scsicmd);
2416 switch (scsicmd->cmnd[0])
2425 * Hack to keep track of ordinal number of the device that
2426 * corresponds to a container. Needed to convert
2427 * containers to /dev/sd device names
2430 if (scsicmd->request->rq_disk)
2431 strlcpy(fsa_dev_ptr[cid].devname,
2432 scsicmd->request->rq_disk->disk_name,
2433 min(sizeof(fsa_dev_ptr[cid].devname),
2434 sizeof(scsicmd->request->rq_disk->disk_name) + 1));
2436 return aac_read(scsicmd);
2444 return aac_write(scsicmd);
2446 case SYNCHRONIZE_CACHE:
2447 if (((aac_cache & 6) == 6) && dev->cache_protected) {
2448 scsicmd->result = DID_OK << 16 |
2449 COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2450 scsicmd->scsi_done(scsicmd);
2453 /* Issue FIB to tell Firmware to flush it's cache */
2454 if ((aac_cache & 6) != 2)
2455 return aac_synchronize(scsicmd);
2459 * Unhandled commands
2461 dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]));
2462 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2463 set_sense(&dev->fsa_dev[cid].sense_data,
2464 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2465 ASENCODE_INVALID_COMMAND, 0, 0);
2466 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2468 sizeof(dev->fsa_dev[cid].sense_data),
2469 SCSI_SENSE_BUFFERSIZE));
2470 scsicmd->scsi_done(scsicmd);
2475 static int query_disk(struct aac_dev *dev, void __user *arg)
2477 struct aac_query_disk qd;
2478 struct fsa_dev_info *fsa_dev_ptr;
2480 fsa_dev_ptr = dev->fsa_dev;
2483 if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
2487 else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
2489 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
2491 qd.instance = dev->scsi_host_ptr->host_no;
2493 qd.id = CONTAINER_TO_ID(qd.cnum);
2494 qd.lun = CONTAINER_TO_LUN(qd.cnum);
2496 else return -EINVAL;
2498 qd.valid = fsa_dev_ptr[qd.cnum].valid != 0;
2499 qd.locked = fsa_dev_ptr[qd.cnum].locked;
2500 qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
2502 if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
2507 strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
2508 min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
2510 if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
2515 static int force_delete_disk(struct aac_dev *dev, void __user *arg)
2517 struct aac_delete_disk dd;
2518 struct fsa_dev_info *fsa_dev_ptr;
2520 fsa_dev_ptr = dev->fsa_dev;
2524 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2527 if (dd.cnum >= dev->maximum_num_containers)
2530 * Mark this container as being deleted.
2532 fsa_dev_ptr[dd.cnum].deleted = 1;
2534 * Mark the container as no longer valid
2536 fsa_dev_ptr[dd.cnum].valid = 0;
2540 static int delete_disk(struct aac_dev *dev, void __user *arg)
2542 struct aac_delete_disk dd;
2543 struct fsa_dev_info *fsa_dev_ptr;
2545 fsa_dev_ptr = dev->fsa_dev;
2549 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2552 if (dd.cnum >= dev->maximum_num_containers)
2555 * If the container is locked, it can not be deleted by the API.
2557 if (fsa_dev_ptr[dd.cnum].locked)
2561 * Mark the container as no longer being valid.
2563 fsa_dev_ptr[dd.cnum].valid = 0;
2564 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
2569 int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
2572 case FSACTL_QUERY_DISK:
2573 return query_disk(dev, arg);
2574 case FSACTL_DELETE_DISK:
2575 return delete_disk(dev, arg);
2576 case FSACTL_FORCE_DELETE_DISK:
2577 return force_delete_disk(dev, arg);
2578 case FSACTL_GET_CONTAINERS:
2579 return aac_get_containers(dev);
2588 * @context: the context set in the fib - here it is scsi cmd
2589 * @fibptr: pointer to the fib
2591 * Handles the completion of a scsi command to a non dasd device
2595 static void aac_srb_callback(void *context, struct fib * fibptr)
2597 struct aac_dev *dev;
2598 struct aac_srb_reply *srbreply;
2599 struct scsi_cmnd *scsicmd;
2601 scsicmd = (struct scsi_cmnd *) context;
2603 if (!aac_valid_context(scsicmd, fibptr))
2606 BUG_ON(fibptr == NULL);
2610 srbreply = (struct aac_srb_reply *) fib_data(fibptr);
2612 scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */
2614 * Calculate resid for sg
2617 scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
2618 - le32_to_cpu(srbreply->data_xfer_length));
2620 scsi_dma_unmap(scsicmd);
2622 /* expose physical device if expose_physicald flag is on */
2623 if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01)
2624 && expose_physicals > 0)
2625 aac_expose_phy_device(scsicmd);
2628 * First check the fib status
2631 if (le32_to_cpu(srbreply->status) != ST_OK){
2633 printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
2634 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
2635 SCSI_SENSE_BUFFERSIZE);
2636 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2637 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2641 * Next check the srb status
2643 switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
2644 case SRB_STATUS_ERROR_RECOVERY:
2645 case SRB_STATUS_PENDING:
2646 case SRB_STATUS_SUCCESS:
2647 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2649 case SRB_STATUS_DATA_OVERRUN:
2650 switch(scsicmd->cmnd[0]){
2659 if (le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow) {
2660 printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
2662 printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
2664 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2667 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2671 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2675 case SRB_STATUS_ABORTED:
2676 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
2678 case SRB_STATUS_ABORT_FAILED:
2679 // Not sure about this one - but assuming the hba was trying to abort for some reason
2680 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
2682 case SRB_STATUS_PARITY_ERROR:
2683 scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
2685 case SRB_STATUS_NO_DEVICE:
2686 case SRB_STATUS_INVALID_PATH_ID:
2687 case SRB_STATUS_INVALID_TARGET_ID:
2688 case SRB_STATUS_INVALID_LUN:
2689 case SRB_STATUS_SELECTION_TIMEOUT:
2690 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
2693 case SRB_STATUS_COMMAND_TIMEOUT:
2694 case SRB_STATUS_TIMEOUT:
2695 scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
2698 case SRB_STATUS_BUSY:
2699 scsicmd->result = DID_BUS_BUSY << 16 | COMMAND_COMPLETE << 8;
2702 case SRB_STATUS_BUS_RESET:
2703 scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
2706 case SRB_STATUS_MESSAGE_REJECTED:
2707 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
2709 case SRB_STATUS_REQUEST_FLUSHED:
2710 case SRB_STATUS_ERROR:
2711 case SRB_STATUS_INVALID_REQUEST:
2712 case SRB_STATUS_REQUEST_SENSE_FAILED:
2713 case SRB_STATUS_NO_HBA:
2714 case SRB_STATUS_UNEXPECTED_BUS_FREE:
2715 case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
2716 case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
2717 case SRB_STATUS_DELAYED_RETRY:
2718 case SRB_STATUS_BAD_FUNCTION:
2719 case SRB_STATUS_NOT_STARTED:
2720 case SRB_STATUS_NOT_IN_USE:
2721 case SRB_STATUS_FORCE_ABORT:
2722 case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
2724 #ifdef AAC_DETAILED_STATUS_INFO
2725 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
2726 le32_to_cpu(srbreply->srb_status) & 0x3F,
2727 aac_get_status_string(
2728 le32_to_cpu(srbreply->srb_status) & 0x3F),
2730 le32_to_cpu(srbreply->scsi_status));
2732 if ((scsicmd->cmnd[0] == ATA_12)
2733 || (scsicmd->cmnd[0] == ATA_16)) {
2734 if (scsicmd->cmnd[2] & (0x01 << 5)) {
2735 scsicmd->result = DID_OK << 16
2736 | COMMAND_COMPLETE << 8;
2739 scsicmd->result = DID_ERROR << 16
2740 | COMMAND_COMPLETE << 8;
2744 scsicmd->result = DID_ERROR << 16
2745 | COMMAND_COMPLETE << 8;
2749 if (le32_to_cpu(srbreply->scsi_status) == SAM_STAT_CHECK_CONDITION) {
2751 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
2752 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
2753 SCSI_SENSE_BUFFERSIZE);
2754 #ifdef AAC_DETAILED_STATUS_INFO
2755 printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
2756 le32_to_cpu(srbreply->status), len);
2758 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2761 * OR in the scsi status (already shifted up a bit)
2763 scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
2765 aac_fib_complete(fibptr);
2766 aac_fib_free(fibptr);
2767 scsicmd->scsi_done(scsicmd);
2773 * @scsicmd: the scsi command block
2775 * This routine will form a FIB and fill in the aac_srb from the
2776 * scsicmd passed in.
2779 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
2781 struct fib* cmd_fibcontext;
2782 struct aac_dev* dev;
2785 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2786 if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
2787 scsicmd->device->lun > 7) {
2788 scsicmd->result = DID_NO_CONNECT << 16;
2789 scsicmd->scsi_done(scsicmd);
2794 * Allocate and initialize a Fib then setup a BlockWrite command
2796 if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
2799 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2800 status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
2803 * Check that the command queued to the controller
2805 if (status == -EINPROGRESS)
2808 printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
2809 aac_fib_complete(cmd_fibcontext);
2810 aac_fib_free(cmd_fibcontext);
2815 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
2817 struct aac_dev *dev;
2818 unsigned long byte_count = 0;
2821 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2822 // Get rid of old data
2824 psg->sg[0].addr = 0;
2825 psg->sg[0].count = 0;
2827 nseg = scsi_dma_map(scsicmd);
2830 struct scatterlist *sg;
2833 psg->count = cpu_to_le32(nseg);
2835 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2836 psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
2837 psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
2838 byte_count += sg_dma_len(sg);
2840 /* hba wants the size to be exact */
2841 if (byte_count > scsi_bufflen(scsicmd)) {
2842 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2843 (byte_count - scsi_bufflen(scsicmd));
2844 psg->sg[i-1].count = cpu_to_le32(temp);
2845 byte_count = scsi_bufflen(scsicmd);
2847 /* Check for command underflow */
2848 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2849 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2850 byte_count, scsicmd->underflow);
2857 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg)
2859 struct aac_dev *dev;
2860 unsigned long byte_count = 0;
2864 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2865 // Get rid of old data
2867 psg->sg[0].addr[0] = 0;
2868 psg->sg[0].addr[1] = 0;
2869 psg->sg[0].count = 0;
2871 nseg = scsi_dma_map(scsicmd);
2874 struct scatterlist *sg;
2877 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2878 int count = sg_dma_len(sg);
2879 addr = sg_dma_address(sg);
2880 psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
2881 psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
2882 psg->sg[i].count = cpu_to_le32(count);
2883 byte_count += count;
2885 psg->count = cpu_to_le32(nseg);
2886 /* hba wants the size to be exact */
2887 if (byte_count > scsi_bufflen(scsicmd)) {
2888 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2889 (byte_count - scsi_bufflen(scsicmd));
2890 psg->sg[i-1].count = cpu_to_le32(temp);
2891 byte_count = scsi_bufflen(scsicmd);
2893 /* Check for command underflow */
2894 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2895 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2896 byte_count, scsicmd->underflow);
2902 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg)
2904 unsigned long byte_count = 0;
2907 // Get rid of old data
2909 psg->sg[0].next = 0;
2910 psg->sg[0].prev = 0;
2911 psg->sg[0].addr[0] = 0;
2912 psg->sg[0].addr[1] = 0;
2913 psg->sg[0].count = 0;
2914 psg->sg[0].flags = 0;
2916 nseg = scsi_dma_map(scsicmd);
2919 struct scatterlist *sg;
2922 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2923 int count = sg_dma_len(sg);
2924 u64 addr = sg_dma_address(sg);
2925 psg->sg[i].next = 0;
2926 psg->sg[i].prev = 0;
2927 psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
2928 psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2929 psg->sg[i].count = cpu_to_le32(count);
2930 psg->sg[i].flags = 0;
2931 byte_count += count;
2933 psg->count = cpu_to_le32(nseg);
2934 /* hba wants the size to be exact */
2935 if (byte_count > scsi_bufflen(scsicmd)) {
2936 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2937 (byte_count - scsi_bufflen(scsicmd));
2938 psg->sg[i-1].count = cpu_to_le32(temp);
2939 byte_count = scsi_bufflen(scsicmd);
2941 /* Check for command underflow */
2942 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2943 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2944 byte_count, scsicmd->underflow);
2950 #ifdef AAC_DETAILED_STATUS_INFO
2952 struct aac_srb_status_info {
2958 static struct aac_srb_status_info srb_status_info[] = {
2959 { SRB_STATUS_PENDING, "Pending Status"},
2960 { SRB_STATUS_SUCCESS, "Success"},
2961 { SRB_STATUS_ABORTED, "Aborted Command"},
2962 { SRB_STATUS_ABORT_FAILED, "Abort Failed"},
2963 { SRB_STATUS_ERROR, "Error Event"},
2964 { SRB_STATUS_BUSY, "Device Busy"},
2965 { SRB_STATUS_INVALID_REQUEST, "Invalid Request"},
2966 { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"},
2967 { SRB_STATUS_NO_DEVICE, "No Device"},
2968 { SRB_STATUS_TIMEOUT, "Timeout"},
2969 { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
2970 { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"},
2971 { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"},
2972 { SRB_STATUS_BUS_RESET, "Bus Reset"},
2973 { SRB_STATUS_PARITY_ERROR, "Parity Error"},
2974 { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
2975 { SRB_STATUS_NO_HBA, "No HBA"},
2976 { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"},
2977 { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
2978 { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
2979 { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
2980 { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"},
2981 { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"},
2982 { SRB_STATUS_INVALID_LUN, "Invalid LUN"},
2983 { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
2984 { SRB_STATUS_BAD_FUNCTION, "Bad Function"},
2985 { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"},
2986 { SRB_STATUS_NOT_STARTED, "Not Started"},
2987 { SRB_STATUS_NOT_IN_USE, "Not In Use"},
2988 { SRB_STATUS_FORCE_ABORT, "Force Abort"},
2989 { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
2990 { 0xff, "Unknown Error"}
2993 char *aac_get_status_string(u32 status)
2997 for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
2998 if (srb_status_info[i].status == status)
2999 return srb_status_info[i].str;
3001 return "Bad Status Code";