1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Adaptec AAC series RAID controller driver
4 * (c) Copyright 2001 Red Hat Inc.
6 * based on the old aacraid driver that is..
7 * Adaptec aacraid device driver for Linux.
9 * Copyright (c) 2000-2010 Adaptec, Inc.
10 * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
11 * 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
16 * Abstract: Contains Interfaces to manage IOs.
19 #include <linux/kernel.h>
20 #include <linux/init.h>
21 #include <linux/types.h>
22 #include <linux/pci.h>
23 #include <linux/spinlock.h>
24 #include <linux/slab.h>
25 #include <linux/completion.h>
26 #include <linux/blkdev.h>
27 #include <linux/uaccess.h>
28 #include <linux/module.h>
30 #include <asm/unaligned.h>
32 #include <scsi/scsi.h>
33 #include <scsi/scsi_cmnd.h>
34 #include <scsi/scsi_device.h>
35 #include <scsi/scsi_host.h>
39 /* values for inqd_pdt: Peripheral device type in plain English */
40 #define INQD_PDT_DA 0x00 /* Direct-access (DISK) device */
41 #define INQD_PDT_PROC 0x03 /* Processor device */
42 #define INQD_PDT_CHNGR 0x08 /* Changer (jukebox, scsi2) */
43 #define INQD_PDT_COMM 0x09 /* Communication device (scsi2) */
44 #define INQD_PDT_NOLUN2 0x1f /* Unknown Device (scsi2) */
45 #define INQD_PDT_NOLUN 0x7f /* Logical Unit Not Present */
47 #define INQD_PDT_DMASK 0x1F /* Peripheral Device Type Mask */
48 #define INQD_PDT_QMASK 0xE0 /* Peripheral Device Qualifer Mask */
54 #define SENCODE_NO_SENSE 0x00
55 #define SENCODE_END_OF_DATA 0x00
56 #define SENCODE_BECOMING_READY 0x04
57 #define SENCODE_INIT_CMD_REQUIRED 0x04
58 #define SENCODE_UNRECOVERED_READ_ERROR 0x11
59 #define SENCODE_PARAM_LIST_LENGTH_ERROR 0x1A
60 #define SENCODE_INVALID_COMMAND 0x20
61 #define SENCODE_LBA_OUT_OF_RANGE 0x21
62 #define SENCODE_INVALID_CDB_FIELD 0x24
63 #define SENCODE_LUN_NOT_SUPPORTED 0x25
64 #define SENCODE_INVALID_PARAM_FIELD 0x26
65 #define SENCODE_PARAM_NOT_SUPPORTED 0x26
66 #define SENCODE_PARAM_VALUE_INVALID 0x26
67 #define SENCODE_RESET_OCCURRED 0x29
68 #define SENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x3E
69 #define SENCODE_INQUIRY_DATA_CHANGED 0x3F
70 #define SENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x39
71 #define SENCODE_DIAGNOSTIC_FAILURE 0x40
72 #define SENCODE_INTERNAL_TARGET_FAILURE 0x44
73 #define SENCODE_INVALID_MESSAGE_ERROR 0x49
74 #define SENCODE_LUN_FAILED_SELF_CONFIG 0x4c
75 #define SENCODE_OVERLAPPED_COMMAND 0x4E
78 * Additional sense codes
81 #define ASENCODE_NO_SENSE 0x00
82 #define ASENCODE_END_OF_DATA 0x05
83 #define ASENCODE_BECOMING_READY 0x01
84 #define ASENCODE_INIT_CMD_REQUIRED 0x02
85 #define ASENCODE_PARAM_LIST_LENGTH_ERROR 0x00
86 #define ASENCODE_INVALID_COMMAND 0x00
87 #define ASENCODE_LBA_OUT_OF_RANGE 0x00
88 #define ASENCODE_INVALID_CDB_FIELD 0x00
89 #define ASENCODE_LUN_NOT_SUPPORTED 0x00
90 #define ASENCODE_INVALID_PARAM_FIELD 0x00
91 #define ASENCODE_PARAM_NOT_SUPPORTED 0x01
92 #define ASENCODE_PARAM_VALUE_INVALID 0x02
93 #define ASENCODE_RESET_OCCURRED 0x00
94 #define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x00
95 #define ASENCODE_INQUIRY_DATA_CHANGED 0x03
96 #define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x00
97 #define ASENCODE_DIAGNOSTIC_FAILURE 0x80
98 #define ASENCODE_INTERNAL_TARGET_FAILURE 0x00
99 #define ASENCODE_INVALID_MESSAGE_ERROR 0x00
100 #define ASENCODE_LUN_FAILED_SELF_CONFIG 0x00
101 #define ASENCODE_OVERLAPPED_COMMAND 0x00
103 #define BYTE0(x) (unsigned char)(x)
104 #define BYTE1(x) (unsigned char)((x) >> 8)
105 #define BYTE2(x) (unsigned char)((x) >> 16)
106 #define BYTE3(x) (unsigned char)((x) >> 24)
108 /* MODE_SENSE data format */
115 } __attribute__((packed)) hd;
121 } __attribute__((packed)) bd;
123 } __attribute__((packed)) aac_modep_data;
125 /* MODE_SENSE_10 data format */
133 } __attribute__((packed)) hd;
139 } __attribute__((packed)) bd;
141 } __attribute__((packed)) aac_modep10_data;
143 /*------------------------------------------------------------------------------
144 * S T R U C T S / T Y P E D E F S
145 *----------------------------------------------------------------------------*/
146 /* SCSI inquiry data */
147 struct inquiry_data {
148 u8 inqd_pdt; /* Peripheral qualifier | Peripheral Device Type */
149 u8 inqd_dtq; /* RMB | Device Type Qualifier */
150 u8 inqd_ver; /* ISO version | ECMA version | ANSI-approved version */
151 u8 inqd_rdf; /* AENC | TrmIOP | Response data format */
152 u8 inqd_len; /* Additional length (n-4) */
153 u8 inqd_pad1[2];/* Reserved - must be zero */
154 u8 inqd_pad2; /* RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
155 u8 inqd_vid[8]; /* Vendor ID */
156 u8 inqd_pid[16];/* Product ID */
157 u8 inqd_prl[4]; /* Product Revision Level */
160 /* Added for VPD 0x83 */
161 struct tvpd_id_descriptor_type_1 {
162 u8 codeset:4; /* VPD_CODE_SET */
164 u8 identifiertype:4; /* VPD_IDENTIFIER_TYPE */
170 u8 serialnumber[8]; /* SN in ASCII */
174 struct tvpd_id_descriptor_type_2 {
175 u8 codeset:4; /* VPD_CODE_SET */
177 u8 identifiertype:4; /* VPD_IDENTIFIER_TYPE */
183 /* The serial number supposed to be 40 bits,
184 * bit we only support 32, so make the last byte zero. */
191 struct tvpd_id_descriptor_type_3 {
192 u8 codeset : 4; /* VPD_CODE_SET */
194 u8 identifiertype : 4; /* VPD_IDENTIFIER_TYPE */
203 u8 DeviceTypeQualifier:3;
207 struct tvpd_id_descriptor_type_1 type1;
208 struct tvpd_id_descriptor_type_2 type2;
209 struct tvpd_id_descriptor_type_3 type3;
213 * M O D U L E G L O B A L S
216 static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *sgmap);
217 static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg);
218 static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg);
219 static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
220 struct aac_raw_io2 *rio2, int sg_max);
221 static long aac_build_sghba(struct scsi_cmnd *scsicmd,
222 struct aac_hba_cmd_req *hbacmd,
223 int sg_max, u64 sg_address);
224 static int aac_convert_sgraw2(struct aac_raw_io2 *rio2,
225 int pages, int nseg, int nseg_new);
226 static void aac_probe_container_scsi_done(struct scsi_cmnd *scsi_cmnd);
227 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
228 static int aac_send_hba_fib(struct scsi_cmnd *scsicmd);
229 #ifdef AAC_DETAILED_STATUS_INFO
230 static char *aac_get_status_string(u32 status);
234 * Non dasd selection is handled entirely in aachba now
237 static int nondasd = -1;
238 static int aac_cache = 2; /* WCE=0 to avoid performance problems */
239 static int dacmode = -1;
242 int startup_timeout = 180;
243 int aif_timeout = 120;
244 int aac_sync_mode; /* Only Sync. transfer - disabled */
245 static int aac_convert_sgl = 1; /* convert non-conformable s/g list - enabled */
247 module_param(aac_sync_mode, int, S_IRUGO|S_IWUSR);
248 MODULE_PARM_DESC(aac_sync_mode, "Force sync. transfer mode"
250 module_param(aac_convert_sgl, int, S_IRUGO|S_IWUSR);
251 MODULE_PARM_DESC(aac_convert_sgl, "Convert non-conformable s/g list"
253 module_param(nondasd, int, S_IRUGO|S_IWUSR);
254 MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices."
256 module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR);
257 MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n"
258 "\tbit 0 - Disable FUA in WRITE SCSI commands\n"
259 "\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n"
260 "\tbit 2 - Disable only if Battery is protecting Cache");
261 module_param(dacmode, int, S_IRUGO|S_IWUSR);
262 MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC."
264 module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
265 MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the"
266 " adapter for foreign arrays.\n"
267 "This is typically needed in systems that do not have a BIOS."
269 module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR);
270 MODULE_PARM_DESC(msi, "IRQ handling."
271 " 0=PIC(default), 1=MSI, 2=MSI-X)");
272 module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
273 MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for"
274 " adapter to have its kernel up and\n"
275 "running. This is typically adjusted for large systems that do not"
277 module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
278 MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for"
279 " applications to pick up AIFs before\n"
280 "deregistering them. This is typically adjusted for heavily burdened"
284 module_param(aac_fib_dump, int, 0644);
285 MODULE_PARM_DESC(aac_fib_dump, "Dump controller fibs prior to IOP_RESET 0=off, 1=on");
288 module_param(numacb, int, S_IRUGO|S_IWUSR);
289 MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control"
290 " blocks (FIB) allocated. Valid values are 512 and down. Default is"
291 " to use suggestion from Firmware.");
293 static int acbsize = -1;
294 module_param(acbsize, int, S_IRUGO|S_IWUSR);
295 MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB)"
296 " size. Valid values are 512, 2048, 4096 and 8192. Default is to use"
297 " suggestion from Firmware.");
299 int update_interval = 30 * 60;
300 module_param(update_interval, int, S_IRUGO|S_IWUSR);
301 MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync"
302 " updates issued to adapter.");
304 int check_interval = 60;
305 module_param(check_interval, int, S_IRUGO|S_IWUSR);
306 MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
309 int aac_check_reset = 1;
310 module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
311 MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the"
312 " adapter. a value of -1 forces the reset to adapters programmed to"
315 int expose_physicals = -1;
316 module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
317 MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays."
318 " -1=protect 0=off, 1=on");
320 int aac_reset_devices;
321 module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
322 MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
324 static int aac_wwn = 1;
325 module_param_named(wwn, aac_wwn, int, S_IRUGO|S_IWUSR);
326 MODULE_PARM_DESC(wwn, "Select a WWN type for the arrays:\n"
328 "\t1 - Array Meta Data Signature (default)\n"
329 "\t2 - Adapter Serial Number");
332 static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
333 struct fib *fibptr) {
334 struct scsi_device *device;
336 if (unlikely(!scsicmd)) {
337 dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"));
338 aac_fib_complete(fibptr);
341 aac_priv(scsicmd)->owner = AAC_OWNER_MIDLEVEL;
342 device = scsicmd->device;
343 if (unlikely(!device)) {
344 dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
345 aac_fib_complete(fibptr);
352 * aac_get_config_status - check the adapter configuration
353 * @dev: aac driver data
354 * @commit_flag: force sending CT_COMMIT_CONFIG
356 * Query config status, and commit the configuration if needed.
358 int aac_get_config_status(struct aac_dev *dev, int commit_flag)
363 if (!(fibptr = aac_fib_alloc(dev)))
366 aac_fib_init(fibptr);
368 struct aac_get_config_status *dinfo;
369 dinfo = (struct aac_get_config_status *) fib_data(fibptr);
371 dinfo->command = cpu_to_le32(VM_ContainerConfig);
372 dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
373 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
376 status = aac_fib_send(ContainerCommand,
378 sizeof (struct aac_get_config_status),
383 printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
385 struct aac_get_config_status_resp *reply
386 = (struct aac_get_config_status_resp *) fib_data(fibptr);
387 dprintk((KERN_WARNING
388 "aac_get_config_status: response=%d status=%d action=%d\n",
389 le32_to_cpu(reply->response),
390 le32_to_cpu(reply->status),
391 le32_to_cpu(reply->data.action)));
392 if ((le32_to_cpu(reply->response) != ST_OK) ||
393 (le32_to_cpu(reply->status) != CT_OK) ||
394 (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
395 printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
399 /* Do not set XferState to zero unless receives a response from F/W */
401 aac_fib_complete(fibptr);
403 /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
405 if ((aac_commit == 1) || commit_flag) {
406 struct aac_commit_config * dinfo;
407 aac_fib_init(fibptr);
408 dinfo = (struct aac_commit_config *) fib_data(fibptr);
410 dinfo->command = cpu_to_le32(VM_ContainerConfig);
411 dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
413 status = aac_fib_send(ContainerCommand,
415 sizeof (struct aac_commit_config),
419 /* Do not set XferState to zero unless
420 * receives a response from F/W */
422 aac_fib_complete(fibptr);
423 } else if (aac_commit == 0) {
425 "aac_get_config_status: Foreign device configurations are being ignored\n");
428 /* FIB should be freed only after getting the response from the F/W */
429 if (status != -ERESTARTSYS)
430 aac_fib_free(fibptr);
434 static void aac_expose_phy_device(struct scsi_cmnd *scsicmd)
437 scsi_sg_copy_to_buffer(scsicmd, &inq_data, sizeof(inq_data));
438 if ((inq_data & 0x20) && (inq_data & 0x1f) == TYPE_DISK) {
440 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
445 * aac_get_containers - list containers
446 * @dev: aac driver data
448 * Make a list of all containers on this controller
450 int aac_get_containers(struct aac_dev *dev)
452 struct fsa_dev_info *fsa_dev_ptr;
456 struct aac_get_container_count *dinfo;
457 struct aac_get_container_count_resp *dresp;
458 int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
460 if (!(fibptr = aac_fib_alloc(dev)))
463 aac_fib_init(fibptr);
464 dinfo = (struct aac_get_container_count *) fib_data(fibptr);
465 dinfo->command = cpu_to_le32(VM_ContainerConfig);
466 dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
468 status = aac_fib_send(ContainerCommand,
470 sizeof (struct aac_get_container_count),
475 dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
476 maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
477 if (fibptr->dev->supplement_adapter_info.supported_options2 &
478 AAC_OPTION_SUPPORTED_240_VOLUMES) {
479 maximum_num_containers =
480 le32_to_cpu(dresp->MaxSimpleVolumes);
482 aac_fib_complete(fibptr);
484 /* FIB should be freed only after getting the response from the F/W */
485 if (status != -ERESTARTSYS)
486 aac_fib_free(fibptr);
488 if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
489 maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
490 if (dev->fsa_dev == NULL ||
491 dev->maximum_num_containers != maximum_num_containers) {
493 fsa_dev_ptr = dev->fsa_dev;
495 dev->fsa_dev = kcalloc(maximum_num_containers,
496 sizeof(*fsa_dev_ptr), GFP_KERNEL);
505 dev->maximum_num_containers = maximum_num_containers;
507 for (index = 0; index < dev->maximum_num_containers; index++) {
508 dev->fsa_dev[index].devname[0] = '\0';
509 dev->fsa_dev[index].valid = 0;
511 status = aac_probe_container(dev, index);
514 printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
521 static void aac_scsi_done(struct scsi_cmnd *scmd)
523 if (scmd->device->request_queue) {
524 /* SCSI command has been submitted by the SCSI mid-layer. */
527 /* SCSI command has been submitted by aac_probe_container(). */
528 aac_probe_container_scsi_done(scmd);
532 static void get_container_name_callback(void *context, struct fib * fibptr)
534 struct aac_get_name_resp * get_name_reply;
535 struct scsi_cmnd * scsicmd;
537 scsicmd = (struct scsi_cmnd *) context;
539 if (!aac_valid_context(scsicmd, fibptr))
542 dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
543 BUG_ON(fibptr == NULL);
545 get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
546 /* Failure is irrelevant, using default value instead */
547 if ((le32_to_cpu(get_name_reply->status) == CT_OK)
548 && (get_name_reply->data[0] != '\0')) {
549 char *sp = get_name_reply->data;
550 int data_size = sizeof_field(struct aac_get_name_resp, data);
552 sp[data_size - 1] = '\0';
556 struct inquiry_data inq;
557 char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
558 int count = sizeof(d);
561 *dp++ = (*sp) ? *sp++ : ' ';
562 } while (--count > 0);
564 scsi_sg_copy_to_buffer(scsicmd, &inq, sizeof(inq));
565 memcpy(inq.inqd_pid, d, sizeof(d));
566 scsi_sg_copy_from_buffer(scsicmd, &inq, sizeof(inq));
570 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
572 aac_fib_complete(fibptr);
573 aac_scsi_done(scsicmd);
577 * aac_get_container_name - get container name, none blocking.
579 static int aac_get_container_name(struct scsi_cmnd * scsicmd)
583 struct aac_get_name *dinfo;
584 struct fib * cmd_fibcontext;
585 struct aac_dev * dev;
587 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
589 data_size = sizeof_field(struct aac_get_name_resp, data);
591 cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
593 aac_fib_init(cmd_fibcontext);
594 dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
595 aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
597 dinfo->command = cpu_to_le32(VM_ContainerConfig);
598 dinfo->type = cpu_to_le32(CT_READ_NAME);
599 dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
600 dinfo->count = cpu_to_le32(data_size - 1);
602 status = aac_fib_send(ContainerCommand,
604 sizeof(struct aac_get_name_resp),
607 (fib_callback)get_container_name_callback,
611 * Check that the command queued to the controller
613 if (status == -EINPROGRESS)
616 printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
617 aac_fib_complete(cmd_fibcontext);
621 static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
623 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
625 if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1))
626 return aac_scsi_cmd(scsicmd);
628 scsicmd->result = DID_NO_CONNECT << 16;
629 aac_scsi_done(scsicmd);
633 static void _aac_probe_container2(void * context, struct fib * fibptr)
635 struct fsa_dev_info *fsa_dev_ptr;
636 int (*callback)(struct scsi_cmnd *);
637 struct scsi_cmnd *scsicmd = context;
638 struct aac_cmd_priv *cmd_priv = aac_priv(scsicmd);
642 if (!aac_valid_context(scsicmd, fibptr))
645 cmd_priv->status = 0;
646 fsa_dev_ptr = fibptr->dev->fsa_dev;
648 struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
651 fsa_dev_ptr += scmd_id(scsicmd);
653 fibptr->dev->supplement_adapter_info.supported_options2;
655 if ((le32_to_cpu(dresp->status) == ST_OK) &&
656 (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
657 (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
658 if (!(sup_options2 & AAC_OPTION_VARIABLE_BLOCK_SIZE)) {
659 dresp->mnt[0].fileinfo.bdevinfo.block_size = 0x200;
660 fsa_dev_ptr->block_size = 0x200;
662 fsa_dev_ptr->block_size =
663 le32_to_cpu(dresp->mnt[0].fileinfo.bdevinfo.block_size);
665 for (i = 0; i < 16; i++)
666 fsa_dev_ptr->identifier[i] =
667 dresp->mnt[0].fileinfo.bdevinfo
669 fsa_dev_ptr->valid = 1;
670 /* sense_key holds the current state of the spin-up */
671 if (dresp->mnt[0].state & cpu_to_le32(FSCS_NOT_READY))
672 fsa_dev_ptr->sense_data.sense_key = NOT_READY;
673 else if (fsa_dev_ptr->sense_data.sense_key == NOT_READY)
674 fsa_dev_ptr->sense_data.sense_key = NO_SENSE;
675 fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
677 = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
678 (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
679 fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0);
681 if ((fsa_dev_ptr->valid & 1) == 0)
682 fsa_dev_ptr->valid = 0;
683 cmd_priv->status = le32_to_cpu(dresp->count);
685 aac_fib_complete(fibptr);
686 aac_fib_free(fibptr);
687 callback = cmd_priv->callback;
688 cmd_priv->callback = NULL;
689 (*callback)(scsicmd);
693 static void _aac_probe_container1(void * context, struct fib * fibptr)
695 struct scsi_cmnd * scsicmd;
696 struct aac_mount * dresp;
697 struct aac_query_mount *dinfo;
700 dresp = (struct aac_mount *) fib_data(fibptr);
701 if (!aac_supports_2T(fibptr->dev)) {
702 dresp->mnt[0].capacityhigh = 0;
703 if ((le32_to_cpu(dresp->status) == ST_OK) &&
704 (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
705 _aac_probe_container2(context, fibptr);
709 scsicmd = (struct scsi_cmnd *) context;
711 if (!aac_valid_context(scsicmd, fibptr))
714 aac_fib_init(fibptr);
716 dinfo = (struct aac_query_mount *)fib_data(fibptr);
718 if (fibptr->dev->supplement_adapter_info.supported_options2 &
719 AAC_OPTION_VARIABLE_BLOCK_SIZE)
720 dinfo->command = cpu_to_le32(VM_NameServeAllBlk);
722 dinfo->command = cpu_to_le32(VM_NameServe64);
724 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
725 dinfo->type = cpu_to_le32(FT_FILESYS);
726 aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
728 status = aac_fib_send(ContainerCommand,
730 sizeof(struct aac_query_mount),
733 _aac_probe_container2,
736 * Check that the command queued to the controller
738 if (status < 0 && status != -EINPROGRESS) {
739 /* Inherit results from VM_NameServe, if any */
740 dresp->status = cpu_to_le32(ST_OK);
741 _aac_probe_container2(context, fibptr);
745 static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
747 struct aac_cmd_priv *cmd_priv = aac_priv(scsicmd);
749 int status = -ENOMEM;
751 if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
752 struct aac_query_mount *dinfo;
754 aac_fib_init(fibptr);
756 dinfo = (struct aac_query_mount *)fib_data(fibptr);
758 if (fibptr->dev->supplement_adapter_info.supported_options2 &
759 AAC_OPTION_VARIABLE_BLOCK_SIZE)
760 dinfo->command = cpu_to_le32(VM_NameServeAllBlk);
762 dinfo->command = cpu_to_le32(VM_NameServe);
764 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
765 dinfo->type = cpu_to_le32(FT_FILESYS);
766 cmd_priv->callback = callback;
767 cmd_priv->owner = AAC_OWNER_FIRMWARE;
769 status = aac_fib_send(ContainerCommand,
771 sizeof(struct aac_query_mount),
774 _aac_probe_container1,
777 * Check that the command queued to the controller
779 if (status == -EINPROGRESS)
783 cmd_priv->callback = NULL;
784 aac_fib_complete(fibptr);
785 aac_fib_free(fibptr);
789 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
791 fsa_dev_ptr += scmd_id(scsicmd);
792 if ((fsa_dev_ptr->valid & 1) == 0) {
793 fsa_dev_ptr->valid = 0;
794 return (*callback)(scsicmd);
802 * aac_probe_container_callback1 - query a logical volume
803 * @scsicmd: the scsi command block
805 * Queries the controller about the given volume. The volume information
806 * is updated in the struct fsa_dev_info structure rather than returned.
808 static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
810 scsicmd->device = NULL;
814 static void aac_probe_container_scsi_done(struct scsi_cmnd *scsi_cmnd)
816 aac_probe_container_callback1(scsi_cmnd);
819 int aac_probe_container(struct aac_dev *dev, int cid)
821 struct scsi_cmnd *scsicmd = kzalloc(sizeof(*scsicmd), GFP_KERNEL);
822 struct aac_cmd_priv *cmd_priv = aac_priv(scsicmd);
823 struct scsi_device *scsidev = kzalloc(sizeof(*scsidev), GFP_KERNEL);
826 if (!scsicmd || !scsidev) {
832 scsicmd->device = scsidev;
833 scsidev->sdev_state = 0;
835 scsidev->host = dev->scsi_host_ptr;
837 if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
838 while (scsicmd->device == scsidev)
841 status = cmd_priv->status;
846 /* Local Structure to set SCSI inquiry data strings */
848 char vid[8]; /* Vendor ID */
849 char pid[16]; /* Product ID */
850 char prl[4]; /* Product Revision Level */
854 * inqstrcpy - string merge
855 * @a: string to copy from
856 * @b: string to copy to
858 * Copy a String from one location to another
862 static void inqstrcpy(char *a, char *b)
865 while (*a != (char)0)
869 static char *container_types[] = {
893 char * get_container_type(unsigned tindex)
895 if (tindex >= ARRAY_SIZE(container_types))
896 tindex = ARRAY_SIZE(container_types) - 1;
897 return container_types[tindex];
900 /* Function: setinqstr
902 * Arguments: [1] pointer to void [1] int
904 * Purpose: Sets SCSI inquiry data strings for vendor, product
905 * and revision level. Allows strings to be set in platform dependent
906 * files instead of in OS dependent driver source.
909 static void setinqstr(struct aac_dev *dev, void *data, int tindex)
911 struct scsi_inq *str;
912 struct aac_supplement_adapter_info *sup_adap_info;
914 sup_adap_info = &dev->supplement_adapter_info;
915 str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
916 memset(str, ' ', sizeof(*str));
918 if (sup_adap_info->adapter_type_text[0]) {
921 char *cname = kmemdup(sup_adap_info->adapter_type_text,
922 sizeof(sup_adap_info->adapter_type_text),
928 if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C'))
929 inqstrcpy("SMC", str->vid);
931 c = sizeof(str->vid);
932 while (*cp && *cp != ' ' && --c)
936 inqstrcpy(cname, str->vid);
938 while (*cp && *cp != ' ')
943 /* last six chars reserved for vol type */
944 if (strlen(cp) > sizeof(str->pid))
945 cp[sizeof(str->pid)] = '\0';
946 inqstrcpy (cp, str->pid);
950 struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
952 inqstrcpy (mp->vname, str->vid);
953 /* last six chars reserved for vol type */
954 inqstrcpy (mp->model, str->pid);
957 if (tindex < ARRAY_SIZE(container_types)){
958 char *findit = str->pid;
960 for ( ; *findit != ' '; findit++); /* walk till we find a space */
961 /* RAID is superfluous in the context of a RAID device */
962 if (memcmp(findit-4, "RAID", 4) == 0)
963 *(findit -= 4) = ' ';
964 if (((findit - str->pid) + strlen(container_types[tindex]))
965 < (sizeof(str->pid) + sizeof(str->prl)))
966 inqstrcpy (container_types[tindex], findit + 1);
968 inqstrcpy ("V1.0", str->prl);
971 static void build_vpd83_type3(struct tvpd_page83 *vpdpage83data,
972 struct aac_dev *dev, struct scsi_cmnd *scsicmd)
976 vpdpage83data->type3.codeset = 1;
977 vpdpage83data->type3.identifiertype = 3;
978 vpdpage83data->type3.identifierlength = sizeof(vpdpage83data->type3)
981 for (container = 0; container < dev->maximum_num_containers;
984 if (scmd_id(scsicmd) == container) {
985 memcpy(vpdpage83data->type3.Identifier,
986 dev->fsa_dev[container].identifier,
993 static void get_container_serial_callback(void *context, struct fib * fibptr)
995 struct aac_get_serial_resp * get_serial_reply;
996 struct scsi_cmnd * scsicmd;
998 BUG_ON(fibptr == NULL);
1000 scsicmd = (struct scsi_cmnd *) context;
1001 if (!aac_valid_context(scsicmd, fibptr))
1004 get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr);
1005 /* Failure is irrelevant, using default value instead */
1006 if (le32_to_cpu(get_serial_reply->status) == CT_OK) {
1007 /*Check to see if it's for VPD 0x83 or 0x80 */
1008 if (scsicmd->cmnd[2] == 0x83) {
1009 /* vpd page 0x83 - Device Identification Page */
1010 struct aac_dev *dev;
1012 struct tvpd_page83 vpdpage83data;
1014 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1016 memset(((u8 *)&vpdpage83data), 0,
1017 sizeof(vpdpage83data));
1019 /* DIRECT_ACCESS_DEVIC */
1020 vpdpage83data.DeviceType = 0;
1021 /* DEVICE_CONNECTED */
1022 vpdpage83data.DeviceTypeQualifier = 0;
1023 /* VPD_DEVICE_IDENTIFIERS */
1024 vpdpage83data.PageCode = 0x83;
1025 vpdpage83data.reserved = 0;
1026 vpdpage83data.PageLength =
1027 sizeof(vpdpage83data.type1) +
1028 sizeof(vpdpage83data.type2);
1030 /* VPD 83 Type 3 is not supported for ARC */
1031 if (dev->sa_firmware)
1032 vpdpage83data.PageLength +=
1033 sizeof(vpdpage83data.type3);
1035 /* T10 Vendor Identifier Field Format */
1036 /* VpdcodesetAscii */
1037 vpdpage83data.type1.codeset = 2;
1038 /* VpdIdentifierTypeVendorId */
1039 vpdpage83data.type1.identifiertype = 1;
1040 vpdpage83data.type1.identifierlength =
1041 sizeof(vpdpage83data.type1) - 4;
1043 /* "ADAPTEC " for adaptec */
1044 memcpy(vpdpage83data.type1.venid,
1046 sizeof(vpdpage83data.type1.venid));
1047 memcpy(vpdpage83data.type1.productid,
1050 vpdpage83data.type1.productid));
1052 /* Convert to ascii based serial number.
1053 * The LSB is the the end.
1055 for (i = 0; i < 8; i++) {
1057 (u8)((get_serial_reply->uid >> ((7 - i) * 4)) & 0xF);
1059 vpdpage83data.type1.serialnumber[i] =
1062 vpdpage83data.type1.serialnumber[i] =
1067 /* VpdCodeSetBinary */
1068 vpdpage83data.type2.codeset = 1;
1069 /* VpdidentifiertypeEUI64 */
1070 vpdpage83data.type2.identifiertype = 2;
1071 vpdpage83data.type2.identifierlength =
1072 sizeof(vpdpage83data.type2) - 4;
1074 vpdpage83data.type2.eu64id.venid[0] = 0xD0;
1075 vpdpage83data.type2.eu64id.venid[1] = 0;
1076 vpdpage83data.type2.eu64id.venid[2] = 0;
1078 vpdpage83data.type2.eu64id.Serial =
1079 get_serial_reply->uid;
1080 vpdpage83data.type2.eu64id.reserved = 0;
1083 * VpdIdentifierTypeFCPHName
1084 * VPD 0x83 Type 3 not supported for ARC
1086 if (dev->sa_firmware) {
1087 build_vpd83_type3(&vpdpage83data,
1091 /* Move the inquiry data to the response buffer. */
1092 scsi_sg_copy_from_buffer(scsicmd, &vpdpage83data,
1093 sizeof(vpdpage83data));
1095 /* It must be for VPD 0x80 */
1098 sp[0] = INQD_PDT_DA;
1099 sp[1] = scsicmd->cmnd[2];
1101 sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
1102 le32_to_cpu(get_serial_reply->uid));
1103 scsi_sg_copy_from_buffer(scsicmd, sp,
1108 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
1110 aac_fib_complete(fibptr);
1111 aac_scsi_done(scsicmd);
1115 * aac_get_container_serial - get container serial, none blocking.
1117 static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
1120 struct aac_get_serial *dinfo;
1121 struct fib * cmd_fibcontext;
1122 struct aac_dev * dev;
1124 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1126 cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
1128 aac_fib_init(cmd_fibcontext);
1129 dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext);
1131 dinfo->command = cpu_to_le32(VM_ContainerConfig);
1132 dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID);
1133 dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
1134 aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
1136 status = aac_fib_send(ContainerCommand,
1138 sizeof(struct aac_get_serial_resp),
1141 (fib_callback) get_container_serial_callback,
1145 * Check that the command queued to the controller
1147 if (status == -EINPROGRESS)
1150 printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status);
1151 aac_fib_complete(cmd_fibcontext);
1155 /* Function: setinqserial
1157 * Arguments: [1] pointer to void [1] int
1159 * Purpose: Sets SCSI Unit Serial number.
1160 * This is a fake. We should read a proper
1161 * serial number from the container. <SuSE>But
1162 * without docs it's quite hard to do it :-)
1163 * So this will have to do in the meantime.</SuSE>
1166 static int setinqserial(struct aac_dev *dev, void *data, int cid)
1169 * This breaks array migration.
1171 return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X",
1172 le32_to_cpu(dev->adapter_info.serial[0]), cid);
1175 static inline void set_sense(struct sense_data *sense_data, u8 sense_key,
1176 u8 sense_code, u8 a_sense_code, u8 bit_pointer, u16 field_pointer)
1178 u8 *sense_buf = (u8 *)sense_data;
1179 /* Sense data valid, err code 70h */
1180 sense_buf[0] = 0x70; /* No info field */
1181 sense_buf[1] = 0; /* Segment number, always zero */
1183 sense_buf[2] = sense_key; /* Sense key */
1185 sense_buf[12] = sense_code; /* Additional sense code */
1186 sense_buf[13] = a_sense_code; /* Additional sense code qualifier */
1188 if (sense_key == ILLEGAL_REQUEST) {
1189 sense_buf[7] = 10; /* Additional sense length */
1191 sense_buf[15] = bit_pointer;
1192 /* Illegal parameter is in the parameter block */
1193 if (sense_code == SENCODE_INVALID_CDB_FIELD)
1194 sense_buf[15] |= 0xc0;/* Std sense key specific field */
1195 /* Illegal parameter is in the CDB block */
1196 sense_buf[16] = field_pointer >> 8; /* MSB */
1197 sense_buf[17] = field_pointer; /* LSB */
1199 sense_buf[7] = 6; /* Additional sense length */
1202 static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
1204 if (lba & 0xffffffff00000000LL) {
1205 int cid = scmd_id(cmd);
1206 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
1207 cmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
1208 set_sense(&dev->fsa_dev[cid].sense_data,
1209 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1210 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1211 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1212 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1213 SCSI_SENSE_BUFFERSIZE));
1220 static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
1225 static void io_callback(void *context, struct fib * fibptr);
1227 static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1229 struct aac_dev *dev = fib->dev;
1230 u16 fibsize, command;
1234 if ((dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 ||
1235 dev->comm_interface == AAC_COMM_MESSAGE_TYPE3) &&
1237 struct aac_raw_io2 *readcmd2;
1238 readcmd2 = (struct aac_raw_io2 *) fib_data(fib);
1239 memset(readcmd2, 0, sizeof(struct aac_raw_io2));
1240 readcmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
1241 readcmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1242 readcmd2->byteCount = cpu_to_le32(count *
1243 dev->fsa_dev[scmd_id(cmd)].block_size);
1244 readcmd2->cid = cpu_to_le16(scmd_id(cmd));
1245 readcmd2->flags = cpu_to_le16(RIO2_IO_TYPE_READ);
1246 ret = aac_build_sgraw2(cmd, readcmd2,
1247 dev->scsi_host_ptr->sg_tablesize);
1250 command = ContainerRawIo2;
1251 fibsize = struct_size(readcmd2, sge,
1252 le32_to_cpu(readcmd2->sgeCnt));
1254 struct aac_raw_io *readcmd;
1255 readcmd = (struct aac_raw_io *) fib_data(fib);
1256 readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1257 readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1258 readcmd->count = cpu_to_le32(count *
1259 dev->fsa_dev[scmd_id(cmd)].block_size);
1260 readcmd->cid = cpu_to_le16(scmd_id(cmd));
1261 readcmd->flags = cpu_to_le16(RIO_TYPE_READ);
1262 readcmd->bpTotal = 0;
1263 readcmd->bpComplete = 0;
1264 ret = aac_build_sgraw(cmd, &readcmd->sg);
1267 command = ContainerRawIo;
1268 fibsize = sizeof(struct aac_raw_io) +
1269 ((le32_to_cpu(readcmd->sg.count)-1) * sizeof(struct sgentryraw));
1272 BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1274 * Now send the Fib to the adapter
1276 return aac_fib_send(command,
1281 (fib_callback) io_callback,
1285 static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1288 struct aac_read64 *readcmd;
1292 readcmd = (struct aac_read64 *) fib_data(fib);
1293 readcmd->command = cpu_to_le32(VM_CtHostRead64);
1294 readcmd->cid = cpu_to_le16(scmd_id(cmd));
1295 readcmd->sector_count = cpu_to_le16(count);
1296 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1300 ret = aac_build_sg64(cmd, &readcmd->sg);
1303 fibsize = sizeof(struct aac_read64) +
1304 ((le32_to_cpu(readcmd->sg.count) - 1) *
1305 sizeof (struct sgentry64));
1306 BUG_ON (fibsize > (fib->dev->max_fib_size -
1307 sizeof(struct aac_fibhdr)));
1309 * Now send the Fib to the adapter
1311 return aac_fib_send(ContainerCommand64,
1316 (fib_callback) io_callback,
1320 static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1323 struct aac_read *readcmd;
1324 struct aac_dev *dev = fib->dev;
1328 readcmd = (struct aac_read *) fib_data(fib);
1329 readcmd->command = cpu_to_le32(VM_CtBlockRead);
1330 readcmd->cid = cpu_to_le32(scmd_id(cmd));
1331 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1332 readcmd->count = cpu_to_le32(count *
1333 dev->fsa_dev[scmd_id(cmd)].block_size);
1335 ret = aac_build_sg(cmd, &readcmd->sg);
1338 fibsize = sizeof(struct aac_read) +
1339 ((le32_to_cpu(readcmd->sg.count) - 1) *
1340 sizeof (struct sgentry));
1341 BUG_ON (fibsize > (fib->dev->max_fib_size -
1342 sizeof(struct aac_fibhdr)));
1344 * Now send the Fib to the adapter
1346 return aac_fib_send(ContainerCommand,
1351 (fib_callback) io_callback,
1355 static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1357 struct aac_dev *dev = fib->dev;
1358 u16 fibsize, command;
1362 if ((dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 ||
1363 dev->comm_interface == AAC_COMM_MESSAGE_TYPE3) &&
1365 struct aac_raw_io2 *writecmd2;
1366 writecmd2 = (struct aac_raw_io2 *) fib_data(fib);
1367 memset(writecmd2, 0, sizeof(struct aac_raw_io2));
1368 writecmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
1369 writecmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1370 writecmd2->byteCount = cpu_to_le32(count *
1371 dev->fsa_dev[scmd_id(cmd)].block_size);
1372 writecmd2->cid = cpu_to_le16(scmd_id(cmd));
1373 writecmd2->flags = (fua && ((aac_cache & 5) != 1) &&
1374 (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1375 cpu_to_le16(RIO2_IO_TYPE_WRITE|RIO2_IO_SUREWRITE) :
1376 cpu_to_le16(RIO2_IO_TYPE_WRITE);
1377 ret = aac_build_sgraw2(cmd, writecmd2,
1378 dev->scsi_host_ptr->sg_tablesize);
1381 command = ContainerRawIo2;
1382 fibsize = struct_size(writecmd2, sge,
1383 le32_to_cpu(writecmd2->sgeCnt));
1385 struct aac_raw_io *writecmd;
1386 writecmd = (struct aac_raw_io *) fib_data(fib);
1387 writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1388 writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1389 writecmd->count = cpu_to_le32(count *
1390 dev->fsa_dev[scmd_id(cmd)].block_size);
1391 writecmd->cid = cpu_to_le16(scmd_id(cmd));
1392 writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
1393 (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1394 cpu_to_le16(RIO_TYPE_WRITE|RIO_SUREWRITE) :
1395 cpu_to_le16(RIO_TYPE_WRITE);
1396 writecmd->bpTotal = 0;
1397 writecmd->bpComplete = 0;
1398 ret = aac_build_sgraw(cmd, &writecmd->sg);
1401 command = ContainerRawIo;
1402 fibsize = sizeof(struct aac_raw_io) +
1403 ((le32_to_cpu(writecmd->sg.count)-1) * sizeof (struct sgentryraw));
1406 BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1408 * Now send the Fib to the adapter
1410 return aac_fib_send(command,
1415 (fib_callback) io_callback,
1419 static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1422 struct aac_write64 *writecmd;
1426 writecmd = (struct aac_write64 *) fib_data(fib);
1427 writecmd->command = cpu_to_le32(VM_CtHostWrite64);
1428 writecmd->cid = cpu_to_le16(scmd_id(cmd));
1429 writecmd->sector_count = cpu_to_le16(count);
1430 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1432 writecmd->flags = 0;
1434 ret = aac_build_sg64(cmd, &writecmd->sg);
1437 fibsize = sizeof(struct aac_write64) +
1438 ((le32_to_cpu(writecmd->sg.count) - 1) *
1439 sizeof (struct sgentry64));
1440 BUG_ON (fibsize > (fib->dev->max_fib_size -
1441 sizeof(struct aac_fibhdr)));
1443 * Now send the Fib to the adapter
1445 return aac_fib_send(ContainerCommand64,
1450 (fib_callback) io_callback,
1454 static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1457 struct aac_write *writecmd;
1458 struct aac_dev *dev = fib->dev;
1462 writecmd = (struct aac_write *) fib_data(fib);
1463 writecmd->command = cpu_to_le32(VM_CtBlockWrite);
1464 writecmd->cid = cpu_to_le32(scmd_id(cmd));
1465 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1466 writecmd->count = cpu_to_le32(count *
1467 dev->fsa_dev[scmd_id(cmd)].block_size);
1468 writecmd->sg.count = cpu_to_le32(1);
1469 /* ->stable is not used - it did mean which type of write */
1471 ret = aac_build_sg(cmd, &writecmd->sg);
1474 fibsize = sizeof(struct aac_write) +
1475 ((le32_to_cpu(writecmd->sg.count) - 1) *
1476 sizeof (struct sgentry));
1477 BUG_ON (fibsize > (fib->dev->max_fib_size -
1478 sizeof(struct aac_fibhdr)));
1480 * Now send the Fib to the adapter
1482 return aac_fib_send(ContainerCommand,
1487 (fib_callback) io_callback,
1491 static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
1493 struct aac_srb * srbcmd;
1496 struct aac_dev *dev = fib->dev;
1499 switch(cmd->sc_data_direction){
1503 case DMA_BIDIRECTIONAL:
1504 flag = SRB_DataIn | SRB_DataOut;
1506 case DMA_FROM_DEVICE:
1510 default: /* shuts up some versions of gcc */
1511 flag = SRB_NoDataXfer;
1515 srbcmd = (struct aac_srb*) fib_data(fib);
1516 srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1517 srbcmd->channel = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1518 srbcmd->id = cpu_to_le32(scmd_id(cmd));
1519 srbcmd->lun = cpu_to_le32(cmd->device->lun);
1520 srbcmd->flags = cpu_to_le32(flag);
1521 timeout = scsi_cmd_to_rq(cmd)->timeout / HZ;
1523 timeout = (dev->sa_firmware ? AAC_SA_TIMEOUT : AAC_ARC_TIMEOUT);
1524 srbcmd->timeout = cpu_to_le32(timeout); // timeout in seconds
1525 srbcmd->retry_limit = 0; /* Obsolete parameter */
1526 srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1530 static struct aac_hba_cmd_req *aac_construct_hbacmd(struct fib *fib,
1531 struct scsi_cmnd *cmd)
1533 struct aac_hba_cmd_req *hbacmd;
1534 struct aac_dev *dev;
1538 dev = (struct aac_dev *)cmd->device->host->hostdata;
1540 hbacmd = (struct aac_hba_cmd_req *)fib->hw_fib_va;
1541 memset(hbacmd, 0, 96); /* sizeof(*hbacmd) is not necessary */
1542 /* iu_type is a parameter of aac_hba_send */
1543 switch (cmd->sc_data_direction) {
1547 case DMA_FROM_DEVICE:
1548 case DMA_BIDIRECTIONAL:
1555 hbacmd->lun[1] = cpu_to_le32(cmd->device->lun);
1557 bus = aac_logical_to_phys(scmd_channel(cmd));
1558 target = scmd_id(cmd);
1559 hbacmd->it_nexus = dev->hba_map[bus][target].rmw_nexus;
1561 /* we fill in reply_qid later in aac_src_deliver_message */
1562 /* we fill in iu_type, request_id later in aac_hba_send */
1563 /* we fill in emb_data_desc_count later in aac_build_sghba */
1565 memcpy(hbacmd->cdb, cmd->cmnd, cmd->cmd_len);
1566 hbacmd->data_length = cpu_to_le32(scsi_bufflen(cmd));
1568 address = (u64)fib->hw_error_pa;
1569 hbacmd->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
1570 hbacmd->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
1571 hbacmd->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
1576 static void aac_srb_callback(void *context, struct fib * fibptr);
1578 static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1581 struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1584 ret = aac_build_sg64(cmd, (struct sgmap64 *) &srbcmd->sg);
1587 srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1589 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1590 memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1592 * Build Scatter/Gather list
1594 fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1595 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1596 sizeof (struct sgentry64));
1597 BUG_ON (fibsize > (fib->dev->max_fib_size -
1598 sizeof(struct aac_fibhdr)));
1601 * Now send the Fib to the adapter
1603 return aac_fib_send(ScsiPortCommand64, fib,
1604 fibsize, FsaNormal, 0, 1,
1605 (fib_callback) aac_srb_callback,
1609 static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1612 struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1615 ret = aac_build_sg(cmd, (struct sgmap *)&srbcmd->sg);
1618 srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1620 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1621 memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1623 * Build Scatter/Gather list
1625 fibsize = sizeof (struct aac_srb) +
1626 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1627 sizeof (struct sgentry));
1628 BUG_ON (fibsize > (fib->dev->max_fib_size -
1629 sizeof(struct aac_fibhdr)));
1632 * Now send the Fib to the adapter
1634 return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1635 (fib_callback) aac_srb_callback, (void *) cmd);
1638 static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd)
1640 if ((sizeof(dma_addr_t) > 4) && fib->dev->needs_dac &&
1641 (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64))
1643 return aac_scsi_32(fib, cmd);
1646 static int aac_adapter_hba(struct fib *fib, struct scsi_cmnd *cmd)
1648 struct aac_hba_cmd_req *hbacmd = aac_construct_hbacmd(fib, cmd);
1649 struct aac_dev *dev;
1652 dev = (struct aac_dev *)cmd->device->host->hostdata;
1654 ret = aac_build_sghba(cmd, hbacmd,
1655 dev->scsi_host_ptr->sg_tablesize, (u64)fib->hw_sgl_pa);
1660 * Now send the HBA command to the adapter
1662 fib->hbacmd_size = 64 + le32_to_cpu(hbacmd->emb_data_desc_count) *
1663 sizeof(struct aac_hba_sgl);
1665 return aac_hba_send(HBA_IU_TYPE_SCSI_CMD_REQ, fib,
1666 (fib_callback) aac_hba_callback,
1670 static int aac_send_safw_bmic_cmd(struct aac_dev *dev,
1671 struct aac_srb_unit *srbu, void *xfer_buf, int xfer_len)
1677 struct aac_srb *srb;
1678 struct aac_srb_reply *srb_reply;
1679 struct sgmap64 *sg64;
1683 if (!dev->sa_firmware)
1687 fibptr = aac_fib_alloc(dev);
1691 aac_fib_init(fibptr);
1692 fibptr->hw_fib_va->header.XferState &=
1693 ~cpu_to_le32(FastResponseCapable);
1695 fibsize = sizeof(struct aac_srb) - sizeof(struct sgentry) +
1696 sizeof(struct sgentry64);
1698 /* allocate DMA buffer for response */
1699 addr = dma_map_single(&dev->pdev->dev, xfer_buf, xfer_len,
1701 if (dma_mapping_error(&dev->pdev->dev, addr)) {
1706 srb = fib_data(fibptr);
1707 memcpy(srb, &srbu->srb, sizeof(struct aac_srb));
1709 vbus = (u32)le16_to_cpu(
1710 dev->supplement_adapter_info.virt_device_bus);
1711 vid = (u32)le16_to_cpu(
1712 dev->supplement_adapter_info.virt_device_target);
1714 /* set the common request fields */
1715 srb->channel = cpu_to_le32(vbus);
1716 srb->id = cpu_to_le32(vid);
1718 srb->function = cpu_to_le32(SRBF_ExecuteScsi);
1720 srb->retry_limit = 0;
1721 srb->cdb_size = cpu_to_le32(16);
1722 srb->count = cpu_to_le32(xfer_len);
1724 sg64 = (struct sgmap64 *)&srb->sg;
1725 sg64->count = cpu_to_le32(1);
1726 sg64->sg[0].addr[1] = cpu_to_le32(upper_32_bits(addr));
1727 sg64->sg[0].addr[0] = cpu_to_le32(lower_32_bits(addr));
1728 sg64->sg[0].count = cpu_to_le32(xfer_len);
1731 * Copy the updated data for other dumping or other usage if needed
1733 memcpy(&srbu->srb, srb, sizeof(struct aac_srb));
1735 /* issue request to the controller */
1736 rcode = aac_fib_send(ScsiPortCommand64, fibptr, fibsize, FsaNormal,
1739 if (rcode == -ERESTARTSYS)
1742 if (unlikely(rcode < 0))
1745 srb_reply = (struct aac_srb_reply *)fib_data(fibptr);
1746 memcpy(&srbu->srb_reply, srb_reply, sizeof(struct aac_srb_reply));
1749 dma_unmap_single(&dev->pdev->dev, addr, xfer_len, DMA_BIDIRECTIONAL);
1751 aac_fib_complete(fibptr);
1752 aac_fib_free(fibptr);
1756 static void aac_set_safw_target_qd(struct aac_dev *dev, int bus, int target)
1759 struct aac_ciss_identify_pd *identify_resp;
1761 if (dev->hba_map[bus][target].devtype != AAC_DEVTYPE_NATIVE_RAW)
1764 identify_resp = dev->hba_map[bus][target].safw_identify_resp;
1765 if (identify_resp == NULL) {
1766 dev->hba_map[bus][target].qd_limit = 32;
1770 if (identify_resp->current_queue_depth_limit <= 0 ||
1771 identify_resp->current_queue_depth_limit > 255)
1772 dev->hba_map[bus][target].qd_limit = 32;
1774 dev->hba_map[bus][target].qd_limit =
1775 identify_resp->current_queue_depth_limit;
1778 static int aac_issue_safw_bmic_identify(struct aac_dev *dev,
1779 struct aac_ciss_identify_pd **identify_resp, u32 bus, u32 target)
1781 int rcode = -ENOMEM;
1783 struct aac_srb_unit srbu;
1784 struct aac_srb *srbcmd;
1785 struct aac_ciss_identify_pd *identify_reply;
1787 datasize = sizeof(struct aac_ciss_identify_pd);
1788 identify_reply = kmalloc(datasize, GFP_KERNEL);
1789 if (!identify_reply)
1792 memset(&srbu, 0, sizeof(struct aac_srb_unit));
1795 srbcmd->flags = cpu_to_le32(SRB_DataIn);
1796 srbcmd->cdb[0] = 0x26;
1797 srbcmd->cdb[2] = (u8)((AAC_MAX_LUN + target) & 0x00FF);
1798 srbcmd->cdb[6] = CISS_IDENTIFY_PHYSICAL_DEVICE;
1800 rcode = aac_send_safw_bmic_cmd(dev, &srbu, identify_reply, datasize);
1801 if (unlikely(rcode < 0))
1804 *identify_resp = identify_reply;
1809 kfree(identify_reply);
1813 static inline void aac_free_safw_ciss_luns(struct aac_dev *dev)
1815 kfree(dev->safw_phys_luns);
1816 dev->safw_phys_luns = NULL;
1820 * aac_get_safw_ciss_luns() - Process topology change
1821 * @dev: aac_dev structure
1823 * Execute a CISS REPORT PHYS LUNS and process the results into
1824 * the current hba_map.
1826 static int aac_get_safw_ciss_luns(struct aac_dev *dev)
1828 int rcode = -ENOMEM;
1830 struct aac_srb *srbcmd;
1831 struct aac_srb_unit srbu;
1832 struct aac_ciss_phys_luns_resp *phys_luns;
1834 datasize = sizeof(struct aac_ciss_phys_luns_resp) +
1835 (AAC_MAX_TARGETS - 1) * sizeof(struct _ciss_lun);
1836 phys_luns = kmalloc(datasize, GFP_KERNEL);
1837 if (phys_luns == NULL)
1840 memset(&srbu, 0, sizeof(struct aac_srb_unit));
1843 srbcmd->flags = cpu_to_le32(SRB_DataIn);
1844 srbcmd->cdb[0] = CISS_REPORT_PHYSICAL_LUNS;
1845 srbcmd->cdb[1] = 2; /* extended reporting */
1846 srbcmd->cdb[8] = (u8)(datasize >> 8);
1847 srbcmd->cdb[9] = (u8)(datasize);
1849 rcode = aac_send_safw_bmic_cmd(dev, &srbu, phys_luns, datasize);
1850 if (unlikely(rcode < 0))
1853 if (phys_luns->resp_flag != 2) {
1858 dev->safw_phys_luns = phys_luns;
1867 static inline u32 aac_get_safw_phys_lun_count(struct aac_dev *dev)
1869 return get_unaligned_be32(&dev->safw_phys_luns->list_length[0])/24;
1872 static inline u32 aac_get_safw_phys_bus(struct aac_dev *dev, int lun)
1874 return dev->safw_phys_luns->lun[lun].level2[1] & 0x3f;
1877 static inline u32 aac_get_safw_phys_target(struct aac_dev *dev, int lun)
1879 return dev->safw_phys_luns->lun[lun].level2[0];
1882 static inline u32 aac_get_safw_phys_expose_flag(struct aac_dev *dev, int lun)
1884 return dev->safw_phys_luns->lun[lun].bus >> 6;
1887 static inline u32 aac_get_safw_phys_attribs(struct aac_dev *dev, int lun)
1889 return dev->safw_phys_luns->lun[lun].node_ident[9];
1892 static inline u32 aac_get_safw_phys_nexus(struct aac_dev *dev, int lun)
1894 return *((u32 *)&dev->safw_phys_luns->lun[lun].node_ident[12]);
1897 static inline void aac_free_safw_identify_resp(struct aac_dev *dev,
1898 int bus, int target)
1900 kfree(dev->hba_map[bus][target].safw_identify_resp);
1901 dev->hba_map[bus][target].safw_identify_resp = NULL;
1904 static inline void aac_free_safw_all_identify_resp(struct aac_dev *dev,
1912 luns = aac_get_safw_phys_lun_count(dev);
1914 if (luns < lun_count)
1916 else if (lun_count < 0)
1919 for (i = 0; i < lun_count; i++) {
1920 bus = aac_get_safw_phys_bus(dev, i);
1921 target = aac_get_safw_phys_target(dev, i);
1923 aac_free_safw_identify_resp(dev, bus, target);
1927 static int aac_get_safw_attr_all_targets(struct aac_dev *dev)
1934 struct aac_ciss_identify_pd *identify_resp = NULL;
1936 lun_count = aac_get_safw_phys_lun_count(dev);
1938 for (i = 0; i < lun_count; ++i) {
1940 bus = aac_get_safw_phys_bus(dev, i);
1941 target = aac_get_safw_phys_target(dev, i);
1943 rcode = aac_issue_safw_bmic_identify(dev,
1944 &identify_resp, bus, target);
1946 if (unlikely(rcode < 0))
1947 goto free_identify_resp;
1949 dev->hba_map[bus][target].safw_identify_resp = identify_resp;
1955 aac_free_safw_all_identify_resp(dev, i);
1960 * aac_set_safw_attr_all_targets- update current hba map with data from FW
1961 * @dev: aac_dev structure
1963 * Update our hba map with the information gathered from the FW
1965 static void aac_set_safw_attr_all_targets(struct aac_dev *dev)
1967 /* ok and extended reporting */
1968 u32 lun_count, nexus;
1970 u8 expose_flag, attribs;
1972 lun_count = aac_get_safw_phys_lun_count(dev);
1974 dev->scan_counter++;
1976 for (i = 0; i < lun_count; ++i) {
1978 bus = aac_get_safw_phys_bus(dev, i);
1979 target = aac_get_safw_phys_target(dev, i);
1980 expose_flag = aac_get_safw_phys_expose_flag(dev, i);
1981 attribs = aac_get_safw_phys_attribs(dev, i);
1982 nexus = aac_get_safw_phys_nexus(dev, i);
1984 if (bus >= AAC_MAX_BUSES || target >= AAC_MAX_TARGETS)
1987 if (expose_flag != 0) {
1988 dev->hba_map[bus][target].devtype =
1989 AAC_DEVTYPE_RAID_MEMBER;
1993 if (nexus != 0 && (attribs & 8)) {
1994 dev->hba_map[bus][target].devtype =
1995 AAC_DEVTYPE_NATIVE_RAW;
1996 dev->hba_map[bus][target].rmw_nexus =
1999 dev->hba_map[bus][target].devtype =
2000 AAC_DEVTYPE_ARC_RAW;
2002 dev->hba_map[bus][target].scan_counter = dev->scan_counter;
2004 aac_set_safw_target_qd(dev, bus, target);
2008 static int aac_setup_safw_targets(struct aac_dev *dev)
2012 rcode = aac_get_containers(dev);
2013 if (unlikely(rcode < 0))
2016 rcode = aac_get_safw_ciss_luns(dev);
2017 if (unlikely(rcode < 0))
2020 rcode = aac_get_safw_attr_all_targets(dev);
2021 if (unlikely(rcode < 0))
2022 goto free_ciss_luns;
2024 aac_set_safw_attr_all_targets(dev);
2026 aac_free_safw_all_identify_resp(dev, -1);
2028 aac_free_safw_ciss_luns(dev);
2033 int aac_setup_safw_adapter(struct aac_dev *dev)
2035 return aac_setup_safw_targets(dev);
2038 int aac_get_adapter_info(struct aac_dev* dev)
2042 u32 tmp, bus, target;
2043 struct aac_adapter_info *info;
2044 struct aac_bus_info *command;
2045 struct aac_bus_info_response *bus_info;
2047 if (!(fibptr = aac_fib_alloc(dev)))
2050 aac_fib_init(fibptr);
2051 info = (struct aac_adapter_info *) fib_data(fibptr);
2052 memset(info,0,sizeof(*info));
2054 rcode = aac_fib_send(RequestAdapterInfo,
2058 -1, 1, /* First `interrupt' command uses special wait */
2063 /* FIB should be freed only after
2064 * getting the response from the F/W */
2065 if (rcode != -ERESTARTSYS) {
2066 aac_fib_complete(fibptr);
2067 aac_fib_free(fibptr);
2071 memcpy(&dev->adapter_info, info, sizeof(*info));
2073 dev->supplement_adapter_info.virt_device_bus = 0xffff;
2074 if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
2075 struct aac_supplement_adapter_info * sinfo;
2077 aac_fib_init(fibptr);
2079 sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr);
2081 memset(sinfo,0,sizeof(*sinfo));
2083 rcode = aac_fib_send(RequestSupplementAdapterInfo,
2092 memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo));
2093 if (rcode == -ERESTARTSYS) {
2094 fibptr = aac_fib_alloc(dev);
2101 /* reset all previous mapped devices (i.e. for init. after IOP_RESET) */
2102 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
2103 for (target = 0; target < AAC_MAX_TARGETS; target++) {
2104 dev->hba_map[bus][target].devtype = 0;
2105 dev->hba_map[bus][target].qd_limit = 0;
2113 aac_fib_init(fibptr);
2115 bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
2117 memset(bus_info, 0, sizeof(*bus_info));
2119 command = (struct aac_bus_info *)bus_info;
2121 command->Command = cpu_to_le32(VM_Ioctl);
2122 command->ObjType = cpu_to_le32(FT_DRIVE);
2123 command->MethodId = cpu_to_le32(1);
2124 command->CtlCmd = cpu_to_le32(GetBusInfo);
2126 rcode = aac_fib_send(ContainerCommand,
2133 /* reasoned default */
2134 dev->maximum_num_physicals = 16;
2135 if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
2136 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
2137 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
2140 if (!dev->in_reset) {
2142 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
2143 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
2149 le32_to_cpu(dev->adapter_info.kernelbuild),
2150 (int)sizeof(dev->supplement_adapter_info.build_date),
2151 dev->supplement_adapter_info.build_date);
2152 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
2153 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
2155 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
2156 le32_to_cpu(dev->adapter_info.monitorbuild));
2157 tmp = le32_to_cpu(dev->adapter_info.biosrev);
2158 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
2160 tmp>>24,(tmp>>16)&0xff,tmp&0xff,
2161 le32_to_cpu(dev->adapter_info.biosbuild));
2163 if (aac_get_serial_number(
2164 shost_to_class(dev->scsi_host_ptr), buffer))
2165 printk(KERN_INFO "%s%d: serial %s",
2166 dev->name, dev->id, buffer);
2167 if (dev->supplement_adapter_info.vpd_info.tsid[0]) {
2168 printk(KERN_INFO "%s%d: TSID %.*s\n",
2170 (int)sizeof(dev->supplement_adapter_info
2172 dev->supplement_adapter_info.vpd_info.tsid);
2174 if (!aac_check_reset || ((aac_check_reset == 1) &&
2175 (dev->supplement_adapter_info.supported_options2 &
2176 AAC_OPTION_IGNORE_RESET))) {
2177 printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
2178 dev->name, dev->id);
2182 dev->cache_protected = 0;
2183 dev->jbod = ((dev->supplement_adapter_info.feature_bits &
2184 AAC_FEATURE_JBOD) != 0);
2185 dev->nondasd_support = 0;
2186 dev->raid_scsi_mode = 0;
2187 if(dev->adapter_info.options & AAC_OPT_NONDASD)
2188 dev->nondasd_support = 1;
2191 * If the firmware supports ROMB RAID/SCSI mode and we are currently
2192 * in RAID/SCSI mode, set the flag. For now if in this mode we will
2193 * force nondasd support on. If we decide to allow the non-dasd flag
2194 * additional changes changes will have to be made to support
2195 * RAID/SCSI. the function aac_scsi_cmd in this module will have to be
2196 * changed to support the new dev->raid_scsi_mode flag instead of
2197 * leaching off of the dev->nondasd_support flag. Also in linit.c the
2198 * function aac_detect will have to be modified where it sets up the
2199 * max number of channels based on the aac->nondasd_support flag only.
2201 if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
2202 (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
2203 dev->nondasd_support = 1;
2204 dev->raid_scsi_mode = 1;
2206 if (dev->raid_scsi_mode != 0)
2207 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
2208 dev->name, dev->id);
2211 dev->nondasd_support = (nondasd!=0);
2212 if (dev->nondasd_support && !dev->in_reset)
2213 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
2215 if (dma_get_required_mask(&dev->pdev->dev) > DMA_BIT_MASK(32))
2217 dev->dac_support = 0;
2218 if ((sizeof(dma_addr_t) > 4) && dev->needs_dac &&
2219 (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) {
2221 printk(KERN_INFO "%s%d: 64bit support enabled.\n",
2222 dev->name, dev->id);
2223 dev->dac_support = 1;
2227 dev->dac_support = (dacmode!=0);
2230 /* avoid problems with AAC_QUIRK_SCSI_32 controllers */
2231 if (dev->dac_support && (aac_get_driver_ident(dev->cardtype)->quirks
2232 & AAC_QUIRK_SCSI_32)) {
2233 dev->nondasd_support = 0;
2235 expose_physicals = 0;
2238 if (dev->dac_support) {
2239 if (!dma_set_mask(&dev->pdev->dev, DMA_BIT_MASK(64))) {
2241 dev_info(&dev->pdev->dev, "64 Bit DAC enabled\n");
2242 } else if (!dma_set_mask(&dev->pdev->dev, DMA_BIT_MASK(32))) {
2243 dev_info(&dev->pdev->dev, "DMA mask set failed, 64 Bit DAC disabled\n");
2244 dev->dac_support = 0;
2246 dev_info(&dev->pdev->dev, "No suitable DMA available\n");
2251 * Deal with configuring for the individualized limits of each packet
2254 dev->a_ops.adapter_scsi = (dev->dac_support)
2255 ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32)
2259 if (dev->raw_io_interface) {
2260 dev->a_ops.adapter_bounds = (dev->raw_io_64)
2263 dev->a_ops.adapter_read = aac_read_raw_io;
2264 dev->a_ops.adapter_write = aac_write_raw_io;
2266 dev->a_ops.adapter_bounds = aac_bounds_32;
2267 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
2268 sizeof(struct aac_fibhdr) -
2269 sizeof(struct aac_write) + sizeof(struct sgentry)) /
2270 sizeof(struct sgentry);
2271 if (dev->dac_support) {
2272 dev->a_ops.adapter_read = aac_read_block64;
2273 dev->a_ops.adapter_write = aac_write_block64;
2275 * 38 scatter gather elements
2277 dev->scsi_host_ptr->sg_tablesize =
2278 (dev->max_fib_size -
2279 sizeof(struct aac_fibhdr) -
2280 sizeof(struct aac_write64) +
2281 sizeof(struct sgentry64)) /
2282 sizeof(struct sgentry64);
2284 dev->a_ops.adapter_read = aac_read_block;
2285 dev->a_ops.adapter_write = aac_write_block;
2287 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
2288 if (!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
2290 * Worst case size that could cause sg overflow when
2291 * we break up SG elements that are larger than 64KB.
2292 * Would be nice if we could tell the SCSI layer what
2293 * the maximum SG element size can be. Worst case is
2294 * (sg_tablesize-1) 4KB elements with one 64KB
2296 * 32bit -> 468 or 238KB 64bit -> 424 or 212KB
2298 dev->scsi_host_ptr->max_sectors =
2299 (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
2302 if (!dev->sync_mode && dev->sa_firmware &&
2303 dev->scsi_host_ptr->sg_tablesize > HBA_MAX_SG_SEPARATE)
2304 dev->scsi_host_ptr->sg_tablesize = dev->sg_tablesize =
2305 HBA_MAX_SG_SEPARATE;
2307 /* FIB should be freed only after getting the response from the F/W */
2308 if (rcode != -ERESTARTSYS) {
2309 aac_fib_complete(fibptr);
2310 aac_fib_free(fibptr);
2317 static void io_callback(void *context, struct fib * fibptr)
2319 struct aac_dev *dev;
2320 struct aac_read_reply *readreply;
2321 struct scsi_cmnd *scsicmd;
2324 scsicmd = (struct scsi_cmnd *) context;
2326 if (!aac_valid_context(scsicmd, fibptr))
2330 cid = scmd_id(scsicmd);
2332 if (nblank(dprintk(x))) {
2334 switch (scsicmd->cmnd[0]) {
2337 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
2338 (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
2342 lba = ((u64)scsicmd->cmnd[2] << 56) |
2343 ((u64)scsicmd->cmnd[3] << 48) |
2344 ((u64)scsicmd->cmnd[4] << 40) |
2345 ((u64)scsicmd->cmnd[5] << 32) |
2346 ((u64)scsicmd->cmnd[6] << 24) |
2347 (scsicmd->cmnd[7] << 16) |
2348 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2352 lba = ((u64)scsicmd->cmnd[2] << 24) |
2353 (scsicmd->cmnd[3] << 16) |
2354 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2357 lba = ((u64)scsicmd->cmnd[2] << 24) |
2358 (scsicmd->cmnd[3] << 16) |
2359 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2363 "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
2364 smp_processor_id(), (unsigned long long)lba, jiffies);
2367 BUG_ON(fibptr == NULL);
2369 scsi_dma_unmap(scsicmd);
2371 readreply = (struct aac_read_reply *)fib_data(fibptr);
2372 switch (le32_to_cpu(readreply->status)) {
2374 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2375 dev->fsa_dev[cid].sense_data.sense_key = NO_SENSE;
2378 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2379 set_sense(&dev->fsa_dev[cid].sense_data, NOT_READY,
2380 SENCODE_BECOMING_READY, ASENCODE_BECOMING_READY, 0, 0);
2381 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2382 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2383 SCSI_SENSE_BUFFERSIZE));
2386 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2387 set_sense(&dev->fsa_dev[cid].sense_data, MEDIUM_ERROR,
2388 SENCODE_UNRECOVERED_READ_ERROR, ASENCODE_NO_SENSE, 0, 0);
2389 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2390 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2391 SCSI_SENSE_BUFFERSIZE));
2394 #ifdef AAC_DETAILED_STATUS_INFO
2395 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
2396 le32_to_cpu(readreply->status));
2398 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2399 set_sense(&dev->fsa_dev[cid].sense_data,
2400 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
2401 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2402 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2403 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2404 SCSI_SENSE_BUFFERSIZE));
2407 aac_fib_complete(fibptr);
2409 aac_scsi_done(scsicmd);
2412 static int aac_read(struct scsi_cmnd * scsicmd)
2417 struct aac_dev *dev;
2418 struct fib * cmd_fibcontext;
2421 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2423 * Get block address and transfer length
2425 switch (scsicmd->cmnd[0]) {
2427 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
2429 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
2430 (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
2431 count = scsicmd->cmnd[4];
2437 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
2439 lba = ((u64)scsicmd->cmnd[2] << 56) |
2440 ((u64)scsicmd->cmnd[3] << 48) |
2441 ((u64)scsicmd->cmnd[4] << 40) |
2442 ((u64)scsicmd->cmnd[5] << 32) |
2443 ((u64)scsicmd->cmnd[6] << 24) |
2444 (scsicmd->cmnd[7] << 16) |
2445 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2446 count = (scsicmd->cmnd[10] << 24) |
2447 (scsicmd->cmnd[11] << 16) |
2448 (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
2451 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
2453 lba = ((u64)scsicmd->cmnd[2] << 24) |
2454 (scsicmd->cmnd[3] << 16) |
2455 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2456 count = (scsicmd->cmnd[6] << 24) |
2457 (scsicmd->cmnd[7] << 16) |
2458 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2461 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
2463 lba = ((u64)scsicmd->cmnd[2] << 24) |
2464 (scsicmd->cmnd[3] << 16) |
2465 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2466 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
2470 if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
2471 cid = scmd_id(scsicmd);
2472 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
2473 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2474 set_sense(&dev->fsa_dev[cid].sense_data,
2475 ILLEGAL_REQUEST, SENCODE_LBA_OUT_OF_RANGE,
2476 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2477 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2478 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2479 SCSI_SENSE_BUFFERSIZE));
2480 aac_scsi_done(scsicmd);
2484 dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
2485 smp_processor_id(), (unsigned long long)lba, jiffies));
2486 if (aac_adapter_bounds(dev,scsicmd,lba))
2489 * Alocate and initialize a Fib
2491 cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
2492 aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
2493 status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
2496 * Check that the command queued to the controller
2498 if (status == -EINPROGRESS)
2501 printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
2503 * For some reason, the Fib didn't queue, return QUEUE_FULL
2505 scsicmd->result = DID_OK << 16 | SAM_STAT_TASK_SET_FULL;
2506 aac_scsi_done(scsicmd);
2507 aac_fib_complete(cmd_fibcontext);
2508 aac_fib_free(cmd_fibcontext);
2512 static int aac_write(struct scsi_cmnd * scsicmd)
2518 struct aac_dev *dev;
2519 struct fib * cmd_fibcontext;
2522 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2524 * Get block address and transfer length
2526 if (scsicmd->cmnd[0] == WRITE_6) /* 6 byte command */
2528 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
2529 count = scsicmd->cmnd[4];
2533 } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
2534 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
2536 lba = ((u64)scsicmd->cmnd[2] << 56) |
2537 ((u64)scsicmd->cmnd[3] << 48) |
2538 ((u64)scsicmd->cmnd[4] << 40) |
2539 ((u64)scsicmd->cmnd[5] << 32) |
2540 ((u64)scsicmd->cmnd[6] << 24) |
2541 (scsicmd->cmnd[7] << 16) |
2542 (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2543 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
2544 (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
2545 fua = scsicmd->cmnd[1] & 0x8;
2546 } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
2547 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
2549 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
2550 | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2551 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
2552 | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2553 fua = scsicmd->cmnd[1] & 0x8;
2555 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
2556 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2557 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
2558 fua = scsicmd->cmnd[1] & 0x8;
2561 if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
2562 cid = scmd_id(scsicmd);
2563 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
2564 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2565 set_sense(&dev->fsa_dev[cid].sense_data,
2566 ILLEGAL_REQUEST, SENCODE_LBA_OUT_OF_RANGE,
2567 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2568 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2569 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2570 SCSI_SENSE_BUFFERSIZE));
2571 aac_scsi_done(scsicmd);
2575 dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
2576 smp_processor_id(), (unsigned long long)lba, jiffies));
2577 if (aac_adapter_bounds(dev,scsicmd,lba))
2580 * Allocate and initialize a Fib then setup a BlockWrite command
2582 cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
2583 aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
2584 status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
2587 * Check that the command queued to the controller
2589 if (status == -EINPROGRESS)
2592 printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
2594 * For some reason, the Fib didn't queue, return QUEUE_FULL
2596 scsicmd->result = DID_OK << 16 | SAM_STAT_TASK_SET_FULL;
2597 aac_scsi_done(scsicmd);
2599 aac_fib_complete(cmd_fibcontext);
2600 aac_fib_free(cmd_fibcontext);
2604 static void synchronize_callback(void *context, struct fib *fibptr)
2606 struct aac_synchronize_reply *synchronizereply;
2607 struct scsi_cmnd *cmd = context;
2609 if (!aac_valid_context(cmd, fibptr))
2612 dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
2613 smp_processor_id(), jiffies));
2614 BUG_ON(fibptr == NULL);
2617 synchronizereply = fib_data(fibptr);
2618 if (le32_to_cpu(synchronizereply->status) == CT_OK)
2619 cmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2621 struct scsi_device *sdev = cmd->device;
2622 struct aac_dev *dev = fibptr->dev;
2623 u32 cid = sdev_id(sdev);
2625 "synchronize_callback: synchronize failed, status = %d\n",
2626 le32_to_cpu(synchronizereply->status));
2627 cmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2628 set_sense(&dev->fsa_dev[cid].sense_data,
2629 HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
2630 ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2631 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2632 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2633 SCSI_SENSE_BUFFERSIZE));
2636 aac_fib_complete(fibptr);
2637 aac_fib_free(fibptr);
2641 static int aac_synchronize(struct scsi_cmnd *scsicmd)
2644 struct fib *cmd_fibcontext;
2645 struct aac_synchronize *synchronizecmd;
2646 struct scsi_device *sdev = scsicmd->device;
2647 struct aac_dev *aac;
2649 aac = (struct aac_dev *)sdev->host->hostdata;
2651 return SCSI_MLQUEUE_HOST_BUSY;
2654 * Allocate and initialize a Fib
2656 cmd_fibcontext = aac_fib_alloc_tag(aac, scsicmd);
2658 aac_fib_init(cmd_fibcontext);
2660 synchronizecmd = fib_data(cmd_fibcontext);
2661 synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
2662 synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
2663 synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
2664 synchronizecmd->count =
2665 cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
2666 aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
2669 * Now send the Fib to the adapter
2671 status = aac_fib_send(ContainerCommand,
2673 sizeof(struct aac_synchronize),
2676 (fib_callback)synchronize_callback,
2680 * Check that the command queued to the controller
2682 if (status == -EINPROGRESS)
2686 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
2687 aac_fib_complete(cmd_fibcontext);
2688 aac_fib_free(cmd_fibcontext);
2689 return SCSI_MLQUEUE_HOST_BUSY;
2692 static void aac_start_stop_callback(void *context, struct fib *fibptr)
2694 struct scsi_cmnd *scsicmd = context;
2696 if (!aac_valid_context(scsicmd, fibptr))
2699 BUG_ON(fibptr == NULL);
2701 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2703 aac_fib_complete(fibptr);
2704 aac_fib_free(fibptr);
2705 aac_scsi_done(scsicmd);
2708 static int aac_start_stop(struct scsi_cmnd *scsicmd)
2711 struct fib *cmd_fibcontext;
2712 struct aac_power_management *pmcmd;
2713 struct scsi_device *sdev = scsicmd->device;
2714 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
2716 if (!(aac->supplement_adapter_info.supported_options2 &
2717 AAC_OPTION_POWER_MANAGEMENT)) {
2718 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2719 aac_scsi_done(scsicmd);
2724 return SCSI_MLQUEUE_HOST_BUSY;
2727 * Allocate and initialize a Fib
2729 cmd_fibcontext = aac_fib_alloc_tag(aac, scsicmd);
2731 aac_fib_init(cmd_fibcontext);
2733 pmcmd = fib_data(cmd_fibcontext);
2734 pmcmd->command = cpu_to_le32(VM_ContainerConfig);
2735 pmcmd->type = cpu_to_le32(CT_POWER_MANAGEMENT);
2736 /* Eject bit ignored, not relevant */
2737 pmcmd->sub = (scsicmd->cmnd[4] & 1) ?
2738 cpu_to_le32(CT_PM_START_UNIT) : cpu_to_le32(CT_PM_STOP_UNIT);
2739 pmcmd->cid = cpu_to_le32(sdev_id(sdev));
2740 pmcmd->parm = (scsicmd->cmnd[1] & 1) ?
2741 cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0;
2742 aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
2745 * Now send the Fib to the adapter
2747 status = aac_fib_send(ContainerCommand,
2749 sizeof(struct aac_power_management),
2752 (fib_callback)aac_start_stop_callback,
2756 * Check that the command queued to the controller
2758 if (status == -EINPROGRESS)
2761 aac_fib_complete(cmd_fibcontext);
2762 aac_fib_free(cmd_fibcontext);
2763 return SCSI_MLQUEUE_HOST_BUSY;
2767 * aac_scsi_cmd() - Process SCSI command
2768 * @scsicmd: SCSI command block
2770 * Emulate a SCSI command and queue the required request for the
2774 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
2777 struct Scsi_Host *host = scsicmd->device->host;
2778 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
2779 struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
2781 if (fsa_dev_ptr == NULL)
2784 * If the bus, id or lun is out of range, return fail
2785 * Test does not apply to ID 16, the pseudo id for the controller
2788 cid = scmd_id(scsicmd);
2789 if (cid != host->this_id) {
2790 if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
2791 if((cid >= dev->maximum_num_containers) ||
2792 (scsicmd->device->lun != 0)) {
2793 scsicmd->result = DID_NO_CONNECT << 16;
2798 * If the target container doesn't exist, it may have
2799 * been newly created
2801 if (((fsa_dev_ptr[cid].valid & 1) == 0) ||
2802 (fsa_dev_ptr[cid].sense_data.sense_key ==
2804 switch (scsicmd->cmnd[0]) {
2805 case SERVICE_ACTION_IN_16:
2806 if (!(dev->raw_io_interface) ||
2807 !(dev->raw_io_64) ||
2808 ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2813 case TEST_UNIT_READY:
2816 return _aac_probe_container(scsicmd,
2817 aac_probe_container_callback2);
2822 } else { /* check for physical non-dasd devices */
2823 bus = aac_logical_to_phys(scmd_channel(scsicmd));
2825 if (bus < AAC_MAX_BUSES && cid < AAC_MAX_TARGETS &&
2826 dev->hba_map[bus][cid].devtype
2827 == AAC_DEVTYPE_NATIVE_RAW) {
2830 return aac_send_hba_fib(scsicmd);
2831 } else if (dev->nondasd_support || expose_physicals ||
2835 return aac_send_srb_fib(scsicmd);
2837 scsicmd->result = DID_NO_CONNECT << 16;
2843 * else Command for the controller itself
2845 else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */
2846 (scsicmd->cmnd[0] != TEST_UNIT_READY))
2848 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
2849 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2850 set_sense(&dev->fsa_dev[cid].sense_data,
2851 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2852 ASENCODE_INVALID_COMMAND, 0, 0);
2853 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2854 min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2855 SCSI_SENSE_BUFFERSIZE));
2859 switch (scsicmd->cmnd[0]) {
2866 return aac_read(scsicmd);
2874 return aac_write(scsicmd);
2876 case SYNCHRONIZE_CACHE:
2877 if (((aac_cache & 6) == 6) && dev->cache_protected) {
2878 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2881 /* Issue FIB to tell Firmware to flush it's cache */
2882 if ((aac_cache & 6) != 2)
2883 return aac_synchronize(scsicmd);
2887 struct inquiry_data inq_data;
2889 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
2890 memset(&inq_data, 0, sizeof (struct inquiry_data));
2892 if ((scsicmd->cmnd[1] & 0x1) && aac_wwn) {
2893 char *arr = (char *)&inq_data;
2896 arr[0] = (scmd_id(scsicmd) == host->this_id) ?
2897 INQD_PDT_PROC : INQD_PDT_DA;
2898 if (scsicmd->cmnd[2] == 0) {
2899 /* supported vital product data pages */
2904 arr[1] = scsicmd->cmnd[2];
2905 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2907 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2908 } else if (scsicmd->cmnd[2] == 0x80) {
2909 /* unit serial number page */
2910 arr[3] = setinqserial(dev, &arr[4],
2912 arr[1] = scsicmd->cmnd[2];
2913 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2916 return aac_get_container_serial(
2918 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2919 } else if (scsicmd->cmnd[2] == 0x83) {
2920 /* vpd page 0x83 - Device Identification Page */
2921 char *sno = (char *)&inq_data;
2922 sno[3] = setinqserial(dev, &sno[4],
2925 return aac_get_container_serial(
2927 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2929 /* vpd page not implemented */
2930 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2931 set_sense(&dev->fsa_dev[cid].sense_data,
2932 ILLEGAL_REQUEST, SENCODE_INVALID_CDB_FIELD,
2933 ASENCODE_NO_SENSE, 7, 2);
2934 memcpy(scsicmd->sense_buffer,
2935 &dev->fsa_dev[cid].sense_data,
2937 sizeof(dev->fsa_dev[cid].sense_data),
2938 SCSI_SENSE_BUFFERSIZE));
2942 inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */
2943 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 */
2944 inq_data.inqd_len = 31;
2945 /*Format for "pad2" is RelAdr | WBus32 | WBus16 | Sync | Linked |Reserved| CmdQue | SftRe */
2946 inq_data.inqd_pad2= 0x32 ; /*WBus16|Sync|CmdQue */
2948 * Set the Vendor, Product, and Revision Level
2949 * see: <vendor>.c i.e. aac.c
2951 if (cid == host->this_id) {
2952 setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
2953 inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */
2954 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2956 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2961 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
2962 inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */
2963 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
2964 return aac_get_container_name(scsicmd);
2966 case SERVICE_ACTION_IN_16:
2967 if (!(dev->raw_io_interface) ||
2968 !(dev->raw_io_64) ||
2969 ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2974 unsigned int alloc_len;
2976 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
2977 capacity = fsa_dev_ptr[cid].size - 1;
2978 cp[0] = (capacity >> 56) & 0xff;
2979 cp[1] = (capacity >> 48) & 0xff;
2980 cp[2] = (capacity >> 40) & 0xff;
2981 cp[3] = (capacity >> 32) & 0xff;
2982 cp[4] = (capacity >> 24) & 0xff;
2983 cp[5] = (capacity >> 16) & 0xff;
2984 cp[6] = (capacity >> 8) & 0xff;
2985 cp[7] = (capacity >> 0) & 0xff;
2986 cp[8] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
2987 cp[9] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
2988 cp[10] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
2989 cp[11] = (fsa_dev_ptr[cid].block_size) & 0xff;
2992 alloc_len = ((scsicmd->cmnd[10] << 24)
2993 + (scsicmd->cmnd[11] << 16)
2994 + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);
2996 alloc_len = min_t(size_t, alloc_len, sizeof(cp));
2997 scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len);
2998 if (alloc_len < scsi_bufflen(scsicmd))
2999 scsi_set_resid(scsicmd,
3000 scsi_bufflen(scsicmd) - alloc_len);
3002 /* Do not cache partition table for arrays */
3003 scsicmd->device->removable = 1;
3005 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3014 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
3015 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
3016 capacity = fsa_dev_ptr[cid].size - 1;
3020 cp[0] = (capacity >> 24) & 0xff;
3021 cp[1] = (capacity >> 16) & 0xff;
3022 cp[2] = (capacity >> 8) & 0xff;
3023 cp[3] = (capacity >> 0) & 0xff;
3024 cp[4] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
3025 cp[5] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
3026 cp[6] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
3027 cp[7] = (fsa_dev_ptr[cid].block_size) & 0xff;
3028 scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
3029 /* Do not cache partition table for arrays */
3030 scsicmd->device->removable = 1;
3031 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3037 int mode_buf_length = 4;
3041 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
3042 capacity = fsa_dev_ptr[cid].size - 1;
3046 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
3047 memset((char *)&mpd, 0, sizeof(aac_modep_data));
3049 /* Mode data length */
3050 mpd.hd.data_length = sizeof(mpd.hd) - 1;
3051 /* Medium type - default */
3052 mpd.hd.med_type = 0;
3053 /* Device-specific param,
3054 bit 8: 0/1 = write enabled/protected
3055 bit 4: 0/1 = FUA enabled */
3058 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
3059 mpd.hd.dev_par = 0x10;
3060 if (scsicmd->cmnd[1] & 0x8)
3061 mpd.hd.bd_length = 0; /* Block descriptor length */
3063 mpd.hd.bd_length = sizeof(mpd.bd);
3064 mpd.hd.data_length += mpd.hd.bd_length;
3065 mpd.bd.block_length[0] =
3066 (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
3067 mpd.bd.block_length[1] =
3068 (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
3069 mpd.bd.block_length[2] =
3070 fsa_dev_ptr[cid].block_size & 0xff;
3072 mpd.mpc_buf[0] = scsicmd->cmnd[2];
3073 if (scsicmd->cmnd[2] == 0x1C) {
3075 mpd.mpc_buf[1] = 0xa;
3076 /* Mode data length */
3077 mpd.hd.data_length = 23;
3079 /* Mode data length */
3080 mpd.hd.data_length = 15;
3083 if (capacity > 0xffffff) {
3084 mpd.bd.block_count[0] = 0xff;
3085 mpd.bd.block_count[1] = 0xff;
3086 mpd.bd.block_count[2] = 0xff;
3088 mpd.bd.block_count[0] = (capacity >> 16) & 0xff;
3089 mpd.bd.block_count[1] = (capacity >> 8) & 0xff;
3090 mpd.bd.block_count[2] = capacity & 0xff;
3093 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
3094 ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
3095 mpd.hd.data_length += 3;
3098 mpd.mpc_buf[2] = ((aac_cache & 6) == 2)
3099 ? 0 : 0x04; /* WCE */
3100 mode_buf_length = sizeof(mpd);
3103 if (mode_buf_length > scsicmd->cmnd[4])
3104 mode_buf_length = scsicmd->cmnd[4];
3106 mode_buf_length = sizeof(mpd);
3107 scsi_sg_copy_from_buffer(scsicmd,
3110 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3116 int mode_buf_length = 8;
3117 aac_modep10_data mpd10;
3119 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
3120 capacity = fsa_dev_ptr[cid].size - 1;
3124 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
3125 memset((char *)&mpd10, 0, sizeof(aac_modep10_data));
3126 /* Mode data length (MSB) */
3127 mpd10.hd.data_length[0] = 0;
3128 /* Mode data length (LSB) */
3129 mpd10.hd.data_length[1] = sizeof(mpd10.hd) - 1;
3130 /* Medium type - default */
3131 mpd10.hd.med_type = 0;
3132 /* Device-specific param,
3133 bit 8: 0/1 = write enabled/protected
3134 bit 4: 0/1 = FUA enabled */
3135 mpd10.hd.dev_par = 0;
3137 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
3138 mpd10.hd.dev_par = 0x10;
3139 mpd10.hd.rsrvd[0] = 0; /* reserved */
3140 mpd10.hd.rsrvd[1] = 0; /* reserved */
3141 if (scsicmd->cmnd[1] & 0x8) {
3142 /* Block descriptor length (MSB) */
3143 mpd10.hd.bd_length[0] = 0;
3144 /* Block descriptor length (LSB) */
3145 mpd10.hd.bd_length[1] = 0;
3147 mpd10.hd.bd_length[0] = 0;
3148 mpd10.hd.bd_length[1] = sizeof(mpd10.bd);
3150 mpd10.hd.data_length[1] += mpd10.hd.bd_length[1];
3152 mpd10.bd.block_length[0] =
3153 (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
3154 mpd10.bd.block_length[1] =
3155 (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
3156 mpd10.bd.block_length[2] =
3157 fsa_dev_ptr[cid].block_size & 0xff;
3159 if (capacity > 0xffffff) {
3160 mpd10.bd.block_count[0] = 0xff;
3161 mpd10.bd.block_count[1] = 0xff;
3162 mpd10.bd.block_count[2] = 0xff;
3164 mpd10.bd.block_count[0] =
3165 (capacity >> 16) & 0xff;
3166 mpd10.bd.block_count[1] =
3167 (capacity >> 8) & 0xff;
3168 mpd10.bd.block_count[2] =
3172 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
3173 ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
3174 mpd10.hd.data_length[1] += 3;
3175 mpd10.mpc_buf[0] = 8;
3176 mpd10.mpc_buf[1] = 1;
3177 mpd10.mpc_buf[2] = ((aac_cache & 6) == 2)
3178 ? 0 : 0x04; /* WCE */
3179 mode_buf_length = sizeof(mpd10);
3180 if (mode_buf_length > scsicmd->cmnd[8])
3181 mode_buf_length = scsicmd->cmnd[8];
3183 scsi_sg_copy_from_buffer(scsicmd,
3187 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3191 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
3192 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
3193 sizeof(struct sense_data));
3194 memset(&dev->fsa_dev[cid].sense_data, 0,
3195 sizeof(struct sense_data));
3196 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3199 case ALLOW_MEDIUM_REMOVAL:
3200 dprintk((KERN_DEBUG "LOCK command.\n"));
3201 if (scsicmd->cmnd[4])
3202 fsa_dev_ptr[cid].locked = 1;
3204 fsa_dev_ptr[cid].locked = 0;
3206 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3209 * These commands are all No-Ops
3211 case TEST_UNIT_READY:
3212 if (fsa_dev_ptr[cid].sense_data.sense_key == NOT_READY) {
3213 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
3214 set_sense(&dev->fsa_dev[cid].sense_data,
3215 NOT_READY, SENCODE_BECOMING_READY,
3216 ASENCODE_BECOMING_READY, 0, 0);
3217 memcpy(scsicmd->sense_buffer,
3218 &dev->fsa_dev[cid].sense_data,
3220 sizeof(dev->fsa_dev[cid].sense_data),
3221 SCSI_SENSE_BUFFERSIZE));
3228 case REASSIGN_BLOCKS:
3230 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3234 return aac_start_stop(scsicmd);
3238 * Unhandled commands
3240 dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n",
3242 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
3243 set_sense(&dev->fsa_dev[cid].sense_data,
3244 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
3245 ASENCODE_INVALID_COMMAND, 0, 0);
3246 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
3248 sizeof(dev->fsa_dev[cid].sense_data),
3249 SCSI_SENSE_BUFFERSIZE));
3254 aac_scsi_done(scsicmd);
3258 static int query_disk(struct aac_dev *dev, void __user *arg)
3260 struct aac_query_disk qd;
3261 struct fsa_dev_info *fsa_dev_ptr;
3263 fsa_dev_ptr = dev->fsa_dev;
3266 if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
3268 if (qd.cnum == -1) {
3269 if (qd.id < 0 || qd.id >= dev->maximum_num_containers)
3272 } else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) {
3273 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
3275 qd.instance = dev->scsi_host_ptr->host_no;
3277 qd.id = CONTAINER_TO_ID(qd.cnum);
3278 qd.lun = CONTAINER_TO_LUN(qd.cnum);
3280 else return -EINVAL;
3282 qd.valid = fsa_dev_ptr[qd.cnum].valid != 0;
3283 qd.locked = fsa_dev_ptr[qd.cnum].locked;
3284 qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
3286 if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
3291 strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
3292 min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
3294 if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
3299 static int force_delete_disk(struct aac_dev *dev, void __user *arg)
3301 struct aac_delete_disk dd;
3302 struct fsa_dev_info *fsa_dev_ptr;
3304 fsa_dev_ptr = dev->fsa_dev;
3308 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
3311 if (dd.cnum >= dev->maximum_num_containers)
3314 * Mark this container as being deleted.
3316 fsa_dev_ptr[dd.cnum].deleted = 1;
3318 * Mark the container as no longer valid
3320 fsa_dev_ptr[dd.cnum].valid = 0;
3324 static int delete_disk(struct aac_dev *dev, void __user *arg)
3326 struct aac_delete_disk dd;
3327 struct fsa_dev_info *fsa_dev_ptr;
3329 fsa_dev_ptr = dev->fsa_dev;
3333 if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
3336 if (dd.cnum >= dev->maximum_num_containers)
3339 * If the container is locked, it can not be deleted by the API.
3341 if (fsa_dev_ptr[dd.cnum].locked)
3345 * Mark the container as no longer being valid.
3347 fsa_dev_ptr[dd.cnum].valid = 0;
3348 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
3353 int aac_dev_ioctl(struct aac_dev *dev, unsigned int cmd, void __user *arg)
3356 case FSACTL_QUERY_DISK:
3357 return query_disk(dev, arg);
3358 case FSACTL_DELETE_DISK:
3359 return delete_disk(dev, arg);
3360 case FSACTL_FORCE_DELETE_DISK:
3361 return force_delete_disk(dev, arg);
3362 case FSACTL_GET_CONTAINERS:
3363 return aac_get_containers(dev);
3371 * @context: the context set in the fib - here it is scsi cmd
3372 * @fibptr: pointer to the fib
3374 * Handles the completion of a scsi command to a non dasd device
3376 static void aac_srb_callback(void *context, struct fib * fibptr)
3378 struct aac_srb_reply *srbreply;
3379 struct scsi_cmnd *scsicmd;
3381 scsicmd = (struct scsi_cmnd *) context;
3383 if (!aac_valid_context(scsicmd, fibptr))
3386 BUG_ON(fibptr == NULL);
3388 srbreply = (struct aac_srb_reply *) fib_data(fibptr);
3390 scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */
3392 if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) {
3394 srbreply->srb_status = cpu_to_le32(SRB_STATUS_SUCCESS);
3395 srbreply->scsi_status = cpu_to_le32(SAM_STAT_GOOD);
3398 * Calculate resid for sg
3400 scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
3401 - le32_to_cpu(srbreply->data_xfer_length));
3405 scsi_dma_unmap(scsicmd);
3407 /* expose physical device if expose_physicald flag is on */
3408 if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01)
3409 && expose_physicals > 0)
3410 aac_expose_phy_device(scsicmd);
3413 * First check the fib status
3416 if (le32_to_cpu(srbreply->status) != ST_OK) {
3419 pr_warn("aac_srb_callback: srb failed, status = %d\n",
3420 le32_to_cpu(srbreply->status));
3421 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
3422 SCSI_SENSE_BUFFERSIZE);
3423 scsicmd->result = DID_ERROR << 16 | SAM_STAT_CHECK_CONDITION;
3424 memcpy(scsicmd->sense_buffer,
3425 srbreply->sense_data, len);
3429 * Next check the srb status
3431 switch ((le32_to_cpu(srbreply->srb_status))&0x3f) {
3432 case SRB_STATUS_ERROR_RECOVERY:
3433 case SRB_STATUS_PENDING:
3434 case SRB_STATUS_SUCCESS:
3435 scsicmd->result = DID_OK << 16;
3437 case SRB_STATUS_DATA_OVERRUN:
3438 switch (scsicmd->cmnd[0]) {
3447 if (le32_to_cpu(srbreply->data_xfer_length)
3448 < scsicmd->underflow)
3449 pr_warn("aacraid: SCSI CMD underflow\n");
3451 pr_warn("aacraid: SCSI CMD Data Overrun\n");
3452 scsicmd->result = DID_ERROR << 16;
3455 scsicmd->result = DID_OK << 16;
3458 scsicmd->result = DID_OK << 16;
3462 case SRB_STATUS_ABORTED:
3463 scsicmd->result = DID_ABORT << 16;
3465 case SRB_STATUS_ABORT_FAILED:
3467 * Not sure about this one - but assuming the
3468 * hba was trying to abort for some reason
3470 scsicmd->result = DID_ERROR << 16;
3472 case SRB_STATUS_PARITY_ERROR:
3473 scsicmd->result = DID_PARITY << 16;
3475 case SRB_STATUS_NO_DEVICE:
3476 case SRB_STATUS_INVALID_PATH_ID:
3477 case SRB_STATUS_INVALID_TARGET_ID:
3478 case SRB_STATUS_INVALID_LUN:
3479 case SRB_STATUS_SELECTION_TIMEOUT:
3480 scsicmd->result = DID_NO_CONNECT << 16;
3483 case SRB_STATUS_COMMAND_TIMEOUT:
3484 case SRB_STATUS_TIMEOUT:
3485 scsicmd->result = DID_TIME_OUT << 16;
3488 case SRB_STATUS_BUSY:
3489 scsicmd->result = DID_BUS_BUSY << 16;
3492 case SRB_STATUS_BUS_RESET:
3493 scsicmd->result = DID_RESET << 16;
3496 case SRB_STATUS_MESSAGE_REJECTED:
3497 scsicmd->result = DID_ERROR << 16;
3499 case SRB_STATUS_REQUEST_FLUSHED:
3500 case SRB_STATUS_ERROR:
3501 case SRB_STATUS_INVALID_REQUEST:
3502 case SRB_STATUS_REQUEST_SENSE_FAILED:
3503 case SRB_STATUS_NO_HBA:
3504 case SRB_STATUS_UNEXPECTED_BUS_FREE:
3505 case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
3506 case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
3507 case SRB_STATUS_DELAYED_RETRY:
3508 case SRB_STATUS_BAD_FUNCTION:
3509 case SRB_STATUS_NOT_STARTED:
3510 case SRB_STATUS_NOT_IN_USE:
3511 case SRB_STATUS_FORCE_ABORT:
3512 case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
3514 #ifdef AAC_DETAILED_STATUS_INFO
3515 pr_info("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x -scsi status 0x%x\n",
3516 le32_to_cpu(srbreply->srb_status) & 0x3F,
3517 aac_get_status_string(
3518 le32_to_cpu(srbreply->srb_status) & 0x3F),
3520 le32_to_cpu(srbreply->scsi_status));
3523 * When the CC bit is SET by the host in ATA pass thru CDB,
3524 * driver is supposed to return DID_OK
3526 * When the CC bit is RESET by the host, driver should
3529 if ((scsicmd->cmnd[0] == ATA_12)
3530 || (scsicmd->cmnd[0] == ATA_16)) {
3532 if (scsicmd->cmnd[2] & (0x01 << 5)) {
3533 scsicmd->result = DID_OK << 16;
3535 scsicmd->result = DID_ERROR << 16;
3538 scsicmd->result = DID_ERROR << 16;
3542 if (le32_to_cpu(srbreply->scsi_status)
3543 == SAM_STAT_CHECK_CONDITION) {
3546 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
3547 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
3548 SCSI_SENSE_BUFFERSIZE);
3549 #ifdef AAC_DETAILED_STATUS_INFO
3550 pr_warn("aac_srb_callback: check condition, status = %d len=%d\n",
3551 le32_to_cpu(srbreply->status), len);
3553 memcpy(scsicmd->sense_buffer,
3554 srbreply->sense_data, len);
3558 * OR in the scsi status (already shifted up a bit)
3560 scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
3562 aac_fib_complete(fibptr);
3563 aac_scsi_done(scsicmd);
3566 static void hba_resp_task_complete(struct aac_dev *dev,
3567 struct scsi_cmnd *scsicmd,
3568 struct aac_hba_resp *err) {
3570 scsicmd->result = err->status;
3571 /* set residual count */
3572 scsi_set_resid(scsicmd, le32_to_cpu(err->residual_count));
3574 switch (err->status) {
3576 scsicmd->result |= DID_OK << 16;
3578 case SAM_STAT_CHECK_CONDITION:
3582 len = min_t(u8, err->sense_response_data_len,
3583 SCSI_SENSE_BUFFERSIZE);
3585 memcpy(scsicmd->sense_buffer,
3586 err->sense_response_buf, len);
3587 scsicmd->result |= DID_OK << 16;
3591 scsicmd->result |= DID_BUS_BUSY << 16;
3593 case SAM_STAT_TASK_ABORTED:
3594 scsicmd->result |= DID_ABORT << 16;
3596 case SAM_STAT_RESERVATION_CONFLICT:
3597 case SAM_STAT_TASK_SET_FULL:
3599 scsicmd->result |= DID_ERROR << 16;
3604 static void hba_resp_task_failure(struct aac_dev *dev,
3605 struct scsi_cmnd *scsicmd,
3606 struct aac_hba_resp *err)
3608 switch (err->status) {
3609 case HBA_RESP_STAT_HBAMODE_DISABLED:
3613 bus = aac_logical_to_phys(scmd_channel(scsicmd));
3614 cid = scmd_id(scsicmd);
3615 if (dev->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
3616 dev->hba_map[bus][cid].devtype = AAC_DEVTYPE_ARC_RAW;
3617 dev->hba_map[bus][cid].rmw_nexus = 0xffffffff;
3619 scsicmd->result = DID_NO_CONNECT << 16;
3622 case HBA_RESP_STAT_IO_ERROR:
3623 case HBA_RESP_STAT_NO_PATH_TO_DEVICE:
3624 scsicmd->result = DID_OK << 16 | SAM_STAT_BUSY;
3626 case HBA_RESP_STAT_IO_ABORTED:
3627 scsicmd->result = DID_ABORT << 16;
3629 case HBA_RESP_STAT_INVALID_DEVICE:
3630 scsicmd->result = DID_NO_CONNECT << 16;
3632 case HBA_RESP_STAT_UNDERRUN:
3633 /* UNDERRUN is OK */
3634 scsicmd->result = DID_OK << 16;
3636 case HBA_RESP_STAT_OVERRUN:
3638 scsicmd->result = DID_ERROR << 16;
3645 * @context: the context set in the fib - here it is scsi cmd
3646 * @fibptr: pointer to the fib
3648 * Handles the completion of a native HBA scsi command
3650 void aac_hba_callback(void *context, struct fib *fibptr)
3652 struct aac_dev *dev;
3653 struct scsi_cmnd *scsicmd;
3655 struct aac_hba_resp *err =
3656 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
3658 scsicmd = (struct scsi_cmnd *) context;
3660 if (!aac_valid_context(scsicmd, fibptr))
3663 WARN_ON(fibptr == NULL);
3666 if (!(fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA_TMF))
3667 scsi_dma_unmap(scsicmd);
3669 if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) {
3671 scsicmd->result = DID_OK << 16;
3675 switch (err->service_response) {
3676 case HBA_RESP_SVCRES_TASK_COMPLETE:
3677 hba_resp_task_complete(dev, scsicmd, err);
3679 case HBA_RESP_SVCRES_FAILURE:
3680 hba_resp_task_failure(dev, scsicmd, err);
3682 case HBA_RESP_SVCRES_TMF_REJECTED:
3683 scsicmd->result = DID_ERROR << 16;
3685 case HBA_RESP_SVCRES_TMF_LUN_INVALID:
3686 scsicmd->result = DID_NO_CONNECT << 16;
3688 case HBA_RESP_SVCRES_TMF_COMPLETE:
3689 case HBA_RESP_SVCRES_TMF_SUCCEEDED:
3690 scsicmd->result = DID_OK << 16;
3693 scsicmd->result = DID_ERROR << 16;
3698 aac_fib_complete(fibptr);
3700 if (fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA_TMF)
3701 aac_priv(scsicmd)->sent_command = 1;
3703 aac_scsi_done(scsicmd);
3708 * @scsicmd: the scsi command block
3710 * This routine will form a FIB and fill in the aac_srb from the
3711 * scsicmd passed in.
3713 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
3715 struct fib* cmd_fibcontext;
3716 struct aac_dev* dev;
3719 dev = (struct aac_dev *)scsicmd->device->host->hostdata;
3720 if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
3721 scsicmd->device->lun > 7) {
3722 scsicmd->result = DID_NO_CONNECT << 16;
3723 aac_scsi_done(scsicmd);
3728 * Allocate and initialize a Fib then setup a BlockWrite command
3730 cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
3731 aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
3732 status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
3735 * Check that the command queued to the controller
3737 if (status == -EINPROGRESS)
3740 printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
3741 aac_fib_complete(cmd_fibcontext);
3742 aac_fib_free(cmd_fibcontext);
3749 * @scsicmd: the scsi command block
3751 * This routine will form a FIB and fill in the aac_hba_cmd_req from the
3752 * scsicmd passed in.
3754 static int aac_send_hba_fib(struct scsi_cmnd *scsicmd)
3756 struct fib *cmd_fibcontext;
3757 struct aac_dev *dev;
3760 dev = shost_priv(scsicmd->device->host);
3761 if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
3762 scsicmd->device->lun > AAC_MAX_LUN - 1) {
3763 scsicmd->result = DID_NO_CONNECT << 16;
3764 aac_scsi_done(scsicmd);
3769 * Allocate and initialize a Fib then setup a BlockWrite command
3771 cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
3772 if (!cmd_fibcontext)
3775 aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
3776 status = aac_adapter_hba(cmd_fibcontext, scsicmd);
3779 * Check that the command queued to the controller
3781 if (status == -EINPROGRESS)
3784 pr_warn("aac_hba_cmd_req: aac_fib_send failed with status: %d\n",
3786 aac_fib_complete(cmd_fibcontext);
3787 aac_fib_free(cmd_fibcontext);
3793 static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *psg)
3795 unsigned long byte_count = 0;
3797 struct scatterlist *sg;
3800 // Get rid of old data
3802 psg->sg[0].addr = 0;
3803 psg->sg[0].count = 0;
3805 nseg = scsi_dma_map(scsicmd);
3809 psg->count = cpu_to_le32(nseg);
3811 scsi_for_each_sg(scsicmd, sg, nseg, i) {
3812 psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
3813 psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
3814 byte_count += sg_dma_len(sg);
3816 /* hba wants the size to be exact */
3817 if (byte_count > scsi_bufflen(scsicmd)) {
3818 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3819 (byte_count - scsi_bufflen(scsicmd));
3820 psg->sg[i-1].count = cpu_to_le32(temp);
3821 byte_count = scsi_bufflen(scsicmd);
3823 /* Check for command underflow */
3824 if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
3825 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3826 byte_count, scsicmd->underflow);
3833 static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg)
3835 unsigned long byte_count = 0;
3838 struct scatterlist *sg;
3841 // Get rid of old data
3843 psg->sg[0].addr[0] = 0;
3844 psg->sg[0].addr[1] = 0;
3845 psg->sg[0].count = 0;
3847 nseg = scsi_dma_map(scsicmd);
3851 scsi_for_each_sg(scsicmd, sg, nseg, i) {
3852 int count = sg_dma_len(sg);
3853 addr = sg_dma_address(sg);
3854 psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
3855 psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
3856 psg->sg[i].count = cpu_to_le32(count);
3857 byte_count += count;
3859 psg->count = cpu_to_le32(nseg);
3860 /* hba wants the size to be exact */
3861 if (byte_count > scsi_bufflen(scsicmd)) {
3862 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3863 (byte_count - scsi_bufflen(scsicmd));
3864 psg->sg[i-1].count = cpu_to_le32(temp);
3865 byte_count = scsi_bufflen(scsicmd);
3867 /* Check for command underflow */
3868 if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
3869 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3870 byte_count, scsicmd->underflow);
3876 static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg)
3878 unsigned long byte_count = 0;
3880 struct scatterlist *sg;
3883 // Get rid of old data
3885 psg->sg[0].next = 0;
3886 psg->sg[0].prev = 0;
3887 psg->sg[0].addr[0] = 0;
3888 psg->sg[0].addr[1] = 0;
3889 psg->sg[0].count = 0;
3890 psg->sg[0].flags = 0;
3892 nseg = scsi_dma_map(scsicmd);
3896 scsi_for_each_sg(scsicmd, sg, nseg, i) {
3897 int count = sg_dma_len(sg);
3898 u64 addr = sg_dma_address(sg);
3899 psg->sg[i].next = 0;
3900 psg->sg[i].prev = 0;
3901 psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
3902 psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
3903 psg->sg[i].count = cpu_to_le32(count);
3904 psg->sg[i].flags = 0;
3905 byte_count += count;
3907 psg->count = cpu_to_le32(nseg);
3908 /* hba wants the size to be exact */
3909 if (byte_count > scsi_bufflen(scsicmd)) {
3910 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3911 (byte_count - scsi_bufflen(scsicmd));
3912 psg->sg[i-1].count = cpu_to_le32(temp);
3913 byte_count = scsi_bufflen(scsicmd);
3915 /* Check for command underflow */
3916 if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
3917 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3918 byte_count, scsicmd->underflow);
3924 static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
3925 struct aac_raw_io2 *rio2, int sg_max)
3927 unsigned long byte_count = 0;
3929 struct scatterlist *sg;
3930 int i, conformable = 0;
3931 u32 min_size = PAGE_SIZE, cur_size;
3933 nseg = scsi_dma_map(scsicmd);
3937 scsi_for_each_sg(scsicmd, sg, nseg, i) {
3938 int count = sg_dma_len(sg);
3939 u64 addr = sg_dma_address(sg);
3941 BUG_ON(i >= sg_max);
3942 rio2->sge[i].addrHigh = cpu_to_le32((u32)(addr>>32));
3943 rio2->sge[i].addrLow = cpu_to_le32((u32)(addr & 0xffffffff));
3944 cur_size = cpu_to_le32(count);
3945 rio2->sge[i].length = cur_size;
3946 rio2->sge[i].flags = 0;
3949 rio2->sgeFirstSize = cur_size;
3950 } else if (i == 1) {
3951 rio2->sgeNominalSize = cur_size;
3952 min_size = cur_size;
3953 } else if ((i+1) < nseg && cur_size != rio2->sgeNominalSize) {
3955 if (cur_size < min_size)
3956 min_size = cur_size;
3958 byte_count += count;
3961 /* hba wants the size to be exact */
3962 if (byte_count > scsi_bufflen(scsicmd)) {
3963 u32 temp = le32_to_cpu(rio2->sge[i-1].length) -
3964 (byte_count - scsi_bufflen(scsicmd));
3965 rio2->sge[i-1].length = cpu_to_le32(temp);
3966 byte_count = scsi_bufflen(scsicmd);
3969 rio2->sgeCnt = cpu_to_le32(nseg);
3970 rio2->flags |= cpu_to_le16(RIO2_SG_FORMAT_IEEE1212);
3971 /* not conformable: evaluate required sg elements */
3973 int j, nseg_new = nseg, err_found;
3974 for (i = min_size / PAGE_SIZE; i >= 1; --i) {
3977 for (j = 1; j < nseg - 1; ++j) {
3978 if (rio2->sge[j].length % (i*PAGE_SIZE)) {
3982 nseg_new += (rio2->sge[j].length / (i*PAGE_SIZE));
3987 if (i > 0 && nseg_new <= sg_max) {
3988 int ret = aac_convert_sgraw2(rio2, i, nseg, nseg_new);
3994 rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
3996 /* Check for command underflow */
3997 if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
3998 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3999 byte_count, scsicmd->underflow);
4005 static int aac_convert_sgraw2(struct aac_raw_io2 *rio2, int pages, int nseg, int nseg_new)
4007 struct sge_ieee1212 *sge;
4011 if (aac_convert_sgl == 0)
4014 sge = kmalloc_array(nseg_new, sizeof(*sge), GFP_ATOMIC);
4018 for (i = 1, pos = 1; i < nseg-1; ++i) {
4019 for (j = 0; j < rio2->sge[i].length / (pages * PAGE_SIZE); ++j) {
4020 addr_low = rio2->sge[i].addrLow + j * pages * PAGE_SIZE;
4021 sge[pos].addrLow = addr_low;
4022 sge[pos].addrHigh = rio2->sge[i].addrHigh;
4023 if (addr_low < rio2->sge[i].addrLow)
4024 sge[pos].addrHigh++;
4025 sge[pos].length = pages * PAGE_SIZE;
4030 sge[pos] = rio2->sge[nseg-1];
4031 memcpy(&rio2->sge[1], &sge[1], (nseg_new-1)*sizeof(struct sge_ieee1212));
4034 rio2->sgeCnt = cpu_to_le32(nseg_new);
4035 rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
4036 rio2->sgeNominalSize = pages * PAGE_SIZE;
4040 static long aac_build_sghba(struct scsi_cmnd *scsicmd,
4041 struct aac_hba_cmd_req *hbacmd,
4045 unsigned long byte_count = 0;
4047 struct scatterlist *sg;
4050 struct aac_hba_sgl *sge;
4052 nseg = scsi_dma_map(scsicmd);
4058 if (nseg > HBA_MAX_SG_EMBEDDED)
4059 sge = &hbacmd->sge[2];
4061 sge = &hbacmd->sge[0];
4063 scsi_for_each_sg(scsicmd, sg, nseg, i) {
4064 int count = sg_dma_len(sg);
4065 u64 addr = sg_dma_address(sg);
4067 WARN_ON(i >= sg_max);
4068 sge->addr_hi = cpu_to_le32((u32)(addr>>32));
4069 sge->addr_lo = cpu_to_le32((u32)(addr & 0xffffffff));
4070 cur_size = cpu_to_le32(count);
4071 sge->len = cur_size;
4073 byte_count += count;
4078 /* hba wants the size to be exact */
4079 if (byte_count > scsi_bufflen(scsicmd)) {
4082 temp = le32_to_cpu(sge->len) - byte_count
4083 - scsi_bufflen(scsicmd);
4084 sge->len = cpu_to_le32(temp);
4085 byte_count = scsi_bufflen(scsicmd);
4088 if (nseg <= HBA_MAX_SG_EMBEDDED) {
4089 hbacmd->emb_data_desc_count = cpu_to_le32(nseg);
4090 sge->flags = cpu_to_le32(0x40000000);
4093 hbacmd->sge[0].flags = cpu_to_le32(0x80000000);
4094 hbacmd->emb_data_desc_count = (u8)cpu_to_le32(1);
4095 hbacmd->sge[0].addr_hi = (u32)cpu_to_le32(sg_address >> 32);
4096 hbacmd->sge[0].addr_lo =
4097 cpu_to_le32((u32)(sg_address & 0xffffffff));
4100 /* Check for command underflow */
4101 if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
4102 pr_warn("aacraid: cmd len %08lX cmd underflow %08X\n",
4103 byte_count, scsicmd->underflow);
4109 #ifdef AAC_DETAILED_STATUS_INFO
4111 struct aac_srb_status_info {
4117 static struct aac_srb_status_info srb_status_info[] = {
4118 { SRB_STATUS_PENDING, "Pending Status"},
4119 { SRB_STATUS_SUCCESS, "Success"},
4120 { SRB_STATUS_ABORTED, "Aborted Command"},
4121 { SRB_STATUS_ABORT_FAILED, "Abort Failed"},
4122 { SRB_STATUS_ERROR, "Error Event"},
4123 { SRB_STATUS_BUSY, "Device Busy"},
4124 { SRB_STATUS_INVALID_REQUEST, "Invalid Request"},
4125 { SRB_STATUS_INVALID_PATH_ID, "Invalid Path ID"},
4126 { SRB_STATUS_NO_DEVICE, "No Device"},
4127 { SRB_STATUS_TIMEOUT, "Timeout"},
4128 { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
4129 { SRB_STATUS_COMMAND_TIMEOUT, "Command Timeout"},
4130 { SRB_STATUS_MESSAGE_REJECTED, "Message Rejected"},
4131 { SRB_STATUS_BUS_RESET, "Bus Reset"},
4132 { SRB_STATUS_PARITY_ERROR, "Parity Error"},
4133 { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
4134 { SRB_STATUS_NO_HBA, "No HBA"},
4135 { SRB_STATUS_DATA_OVERRUN, "Data Overrun/Data Underrun"},
4136 { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
4137 { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
4138 { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
4139 { SRB_STATUS_REQUEST_FLUSHED, "Request Flushed"},
4140 { SRB_STATUS_DELAYED_RETRY, "Delayed Retry"},
4141 { SRB_STATUS_INVALID_LUN, "Invalid LUN"},
4142 { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
4143 { SRB_STATUS_BAD_FUNCTION, "Bad Function"},
4144 { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"},
4145 { SRB_STATUS_NOT_STARTED, "Not Started"},
4146 { SRB_STATUS_NOT_IN_USE, "Not In Use"},
4147 { SRB_STATUS_FORCE_ABORT, "Force Abort"},
4148 { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
4149 { 0xff, "Unknown Error"}
4152 char *aac_get_status_string(u32 status)
4156 for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
4157 if (srb_status_info[i].status == status)
4158 return srb_status_info[i].str;
4160 return "Bad Status Code";