SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/scsi/aacraid/aachba.c

   1 /*
   2  *      Adaptec AAC series RAID controller driver
   3  *      (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
   4  *
   5  * based on the old aacraid driver that is..
   6  * Adaptec aacraid device driver for Linux.
   7  *
   8  * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2, or (at your option)
  13  * any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; see the file COPYING.  If not, write to
  22  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  23  *
  24  */
  25
  26 #include <linux/kernel.h>
  27 #include <linux/init.h>
  28 #include <linux/types.h>
  29 #include <linux/pci.h>
  30 #include <linux/spinlock.h>
  31 #include <linux/slab.h>
  32 #include <linux/completion.h>
  33 #include <linux/blkdev.h>
  34 #include <linux/dma-mapping.h>
  35 #include <asm/semaphore.h>
  36 #include <asm/uaccess.h>
  37
  38 #include <scsi/scsi.h>
  39 #include <scsi/scsi_cmnd.h>
  40 #include <scsi/scsi_device.h>
  41 #include <scsi/scsi_host.h>
  42
  43 #include "aacraid.h"
  44
  45 /* values for inqd_pdt: Peripheral device type in plain English */
  46 #define INQD_PDT_DA     0x00    /* Direct-access (DISK) device */
  47 #define INQD_PDT_PROC   0x03    /* Processor device */
  48 #define INQD_PDT_CHNGR  0x08    /* Changer (jukebox, scsi2) */
  49 #define INQD_PDT_COMM   0x09    /* Communication device (scsi2) */
  50 #define INQD_PDT_NOLUN2 0x1f    /* Unknown Device (scsi2) */
  51 #define INQD_PDT_NOLUN  0x7f    /* Logical Unit Not Present */
  52
  53 #define INQD_PDT_DMASK  0x1F    /* Peripheral Device Type Mask */
  54 #define INQD_PDT_QMASK  0xE0    /* Peripheral Device Qualifer Mask */
  55
  56 /*
  57  *      Sense codes
  58  */
  59
  60 #define SENCODE_NO_SENSE                        0x00
  61 #define SENCODE_END_OF_DATA                     0x00
  62 #define SENCODE_BECOMING_READY                  0x04
  63 #define SENCODE_INIT_CMD_REQUIRED               0x04
  64 #define SENCODE_PARAM_LIST_LENGTH_ERROR         0x1A
  65 #define SENCODE_INVALID_COMMAND                 0x20
  66 #define SENCODE_LBA_OUT_OF_RANGE                0x21
  67 #define SENCODE_INVALID_CDB_FIELD               0x24
  68 #define SENCODE_LUN_NOT_SUPPORTED               0x25
  69 #define SENCODE_INVALID_PARAM_FIELD             0x26
  70 #define SENCODE_PARAM_NOT_SUPPORTED             0x26
  71 #define SENCODE_PARAM_VALUE_INVALID             0x26
  72 #define SENCODE_RESET_OCCURRED                  0x29
  73 #define SENCODE_LUN_NOT_SELF_CONFIGURED_YET     0x3E
  74 #define SENCODE_INQUIRY_DATA_CHANGED            0x3F
  75 #define SENCODE_SAVING_PARAMS_NOT_SUPPORTED     0x39
  76 #define SENCODE_DIAGNOSTIC_FAILURE              0x40
  77 #define SENCODE_INTERNAL_TARGET_FAILURE         0x44
  78 #define SENCODE_INVALID_MESSAGE_ERROR           0x49
  79 #define SENCODE_LUN_FAILED_SELF_CONFIG          0x4c
  80 #define SENCODE_OVERLAPPED_COMMAND              0x4E
  81
  82 /*
  83  *      Additional sense codes
  84  */
  85
  86 #define ASENCODE_NO_SENSE                       0x00
  87 #define ASENCODE_END_OF_DATA                    0x05
  88 #define ASENCODE_BECOMING_READY                 0x01
  89 #define ASENCODE_INIT_CMD_REQUIRED              0x02
  90 #define ASENCODE_PARAM_LIST_LENGTH_ERROR        0x00
  91 #define ASENCODE_INVALID_COMMAND                0x00
  92 #define ASENCODE_LBA_OUT_OF_RANGE               0x00
  93 #define ASENCODE_INVALID_CDB_FIELD              0x00
  94 #define ASENCODE_LUN_NOT_SUPPORTED              0x00
  95 #define ASENCODE_INVALID_PARAM_FIELD            0x00
  96 #define ASENCODE_PARAM_NOT_SUPPORTED            0x01
  97 #define ASENCODE_PARAM_VALUE_INVALID            0x02
  98 #define ASENCODE_RESET_OCCURRED                 0x00
  99 #define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET    0x00
 100 #define ASENCODE_INQUIRY_DATA_CHANGED           0x03
 101 #define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED    0x00
 102 #define ASENCODE_DIAGNOSTIC_FAILURE             0x80
 103 #define ASENCODE_INTERNAL_TARGET_FAILURE        0x00
 104 #define ASENCODE_INVALID_MESSAGE_ERROR          0x00
 105 #define ASENCODE_LUN_FAILED_SELF_CONFIG         0x00
 106 #define ASENCODE_OVERLAPPED_COMMAND             0x00
 107
 108 #define BYTE0(x) (unsigned char)(x)
 109 #define BYTE1(x) (unsigned char)((x) >> 8)
 110 #define BYTE2(x) (unsigned char)((x) >> 16)
 111 #define BYTE3(x) (unsigned char)((x) >> 24)
 112
 113 /*------------------------------------------------------------------------------
 114  *              S T R U C T S / T Y P E D E F S
 115  *----------------------------------------------------------------------------*/
 116 /* SCSI inquiry data */
 117 struct inquiry_data {
 118         u8 inqd_pdt;    /* Peripheral qualifier | Peripheral Device Type  */
 119         u8 inqd_dtq;    /* RMB | Device Type Qualifier  */
 120         u8 inqd_ver;    /* ISO version | ECMA version | ANSI-approved version */
 121         u8 inqd_rdf;    /* AENC | TrmIOP | Response data format */
 122         u8 inqd_len;    /* Additional length (n-4) */
 123         u8 inqd_pad1[2];/* Reserved - must be zero */
 124         u8 inqd_pad2;   /* RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
 125         u8 inqd_vid[8]; /* Vendor ID */
 126         u8 inqd_pid[16];/* Product ID */
 127         u8 inqd_prl[4]; /* Product Revision Level */
 128 };
 129
 130 /*
 131  *              M O D U L E   G L O B A L S
 132  */
 133
 134 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap);
 135 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg);
 136 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg);
 137 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
 138 #ifdef AAC_DETAILED_STATUS_INFO
 139 static char *aac_get_status_string(u32 status);
 140 #endif
 141
 142 /*
 143  *      Non dasd selection is handled entirely in aachba now
 144  */
 145
 146 static int nondasd = -1;
 147 static int dacmode = -1;
 148
 149 int aac_commit = -1;
 150 int startup_timeout = 180;
 151 int aif_timeout = 120;
 152
 153 module_param(nondasd, int, S_IRUGO|S_IWUSR);
 154 MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on");
 155 module_param(dacmode, int, S_IRUGO|S_IWUSR);
 156 MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC. 0=off, 1=on");
 157 module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
 158 MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the adapter for foreign arrays.\nThis is typically needed in systems that do not have a BIOS. 0=off, 1=on");
 159 module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
 160 MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for adapter to have it's kernel up and\nrunning. This is typically adjusted for large systems that do not have a BIOS.");
 161 module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
 162 MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for applications to pick up AIFs before\nderegistering them. This is typically adjusted for heavily burdened systems.");
 163
 164 int numacb = -1;
 165 module_param(numacb, int, S_IRUGO|S_IWUSR);
 166 MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control blocks (FIB) allocated. Valid values are 512 and down. Default is to use suggestion from Firmware.");
 167
 168 int acbsize = -1;
 169 module_param(acbsize, int, S_IRUGO|S_IWUSR);
 170 MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB) size. Valid values are 512, 2048, 4096 and 8192. Default is to use suggestion from Firmware.");
 171
 172 int update_interval = 30 * 60;
 173 module_param(update_interval, int, S_IRUGO|S_IWUSR);
 174 MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync updates issued to adapter.");
 175
 176 int check_interval = 24 * 60 * 60;
 177 module_param(check_interval, int, S_IRUGO|S_IWUSR);
 178 MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health checks.");
 179
 180 int check_reset = 1;
 181 module_param(check_reset, int, S_IRUGO|S_IWUSR);
 182 MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the adapter.");
 183
 184 int expose_physicals = -1;
 185 module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
 186 MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays. -1=protect 0=off, 1=on");
 187
 188 int aac_reset_devices = 0;
 189 module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
 190 MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
 191
 192 static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
 193                 struct fib *fibptr) {
 194         struct scsi_device *device;
 195
 196         if (unlikely(!scsicmd || !scsicmd->scsi_done )) {
 197                 dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"));
 198                 aac_fib_complete(fibptr);
 199                 aac_fib_free(fibptr);
 200                 return 0;
 201         }
 202         scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
 203         device = scsicmd->device;
 204         if (unlikely(!device || !scsi_device_online(device))) {
 205                 dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
 206                 aac_fib_complete(fibptr);
 207                 aac_fib_free(fibptr);
 208                 return 0;
 209         }
 210         return 1;
 211 }
 212
 213 /**
 214  *      aac_get_config_status   -       check the adapter configuration
 215  *      @common: adapter to query
 216  *
 217  *      Query config status, and commit the configuration if needed.
 218  */
 219 int aac_get_config_status(struct aac_dev *dev, int commit_flag)
 220 {
 221         int status = 0;
 222         struct fib * fibptr;
 223
 224         if (!(fibptr = aac_fib_alloc(dev)))
 225                 return -ENOMEM;
 226
 227         aac_fib_init(fibptr);
 228         {
 229                 struct aac_get_config_status *dinfo;
 230                 dinfo = (struct aac_get_config_status *) fib_data(fibptr);
 231
 232                 dinfo->command = cpu_to_le32(VM_ContainerConfig);
 233                 dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
 234                 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
 235         }
 236
 237         status = aac_fib_send(ContainerCommand,
 238                             fibptr,
 239                             sizeof (struct aac_get_config_status),
 240                             FsaNormal,
 241                             1, 1,
 242                             NULL, NULL);
 243         if (status < 0 ) {
 244                 printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
 245         } else {
 246                 struct aac_get_config_status_resp *reply
 247                   = (struct aac_get_config_status_resp *) fib_data(fibptr);
 248                 dprintk((KERN_WARNING
 249                   "aac_get_config_status: response=%d status=%d action=%d\n",
 250                   le32_to_cpu(reply->response),
 251                   le32_to_cpu(reply->status),
 252                   le32_to_cpu(reply->data.action)));
 253                 if ((le32_to_cpu(reply->response) != ST_OK) ||
 254                      (le32_to_cpu(reply->status) != CT_OK) ||
 255                      (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
 256                         printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
 257                         status = -EINVAL;
 258                 }
 259         }
 260         aac_fib_complete(fibptr);
 261         /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
 262         if (status >= 0) {
 263                 if ((aac_commit == 1) || commit_flag) {
 264                         struct aac_commit_config * dinfo;
 265                         aac_fib_init(fibptr);
 266                         dinfo = (struct aac_commit_config *) fib_data(fibptr);
 267
 268                         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 269                         dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
 270
 271                         status = aac_fib_send(ContainerCommand,
 272                                     fibptr,
 273                                     sizeof (struct aac_commit_config),
 274                                     FsaNormal,
 275                                     1, 1,
 276                                     NULL, NULL);
 277                         aac_fib_complete(fibptr);
 278                 } else if (aac_commit == 0) {
 279                         printk(KERN_WARNING
 280                           "aac_get_config_status: Foreign device configurations are being ignored\n");
 281                 }
 282         }
 283         aac_fib_free(fibptr);
 284         return status;
 285 }
 286
 287 /**
 288  *      aac_get_containers      -       list containers
 289  *      @common: adapter to probe
 290  *
 291  *      Make a list of all containers on this controller
 292  */
 293 int aac_get_containers(struct aac_dev *dev)
 294 {
 295         struct fsa_dev_info *fsa_dev_ptr;
 296         u32 index;
 297         int status = 0;
 298         struct fib * fibptr;
 299         struct aac_get_container_count *dinfo;
 300         struct aac_get_container_count_resp *dresp;
 301         int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 302
 303         if (!(fibptr = aac_fib_alloc(dev)))
 304                 return -ENOMEM;
 305
 306         aac_fib_init(fibptr);
 307         dinfo = (struct aac_get_container_count *) fib_data(fibptr);
 308         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 309         dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
 310
 311         status = aac_fib_send(ContainerCommand,
 312                     fibptr,
 313                     sizeof (struct aac_get_container_count),
 314                     FsaNormal,
 315                     1, 1,
 316                     NULL, NULL);
 317         if (status >= 0) {
 318                 dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
 319                 maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
 320                 aac_fib_complete(fibptr);
 321         }
 322         aac_fib_free(fibptr);
 323
 324         if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
 325                 maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 326         fsa_dev_ptr = kzalloc(sizeof(*fsa_dev_ptr) * maximum_num_containers,
 327                         GFP_KERNEL);
 328         if (!fsa_dev_ptr)
 329                 return -ENOMEM;
 330
 331         dev->fsa_dev = fsa_dev_ptr;
 332         dev->maximum_num_containers = maximum_num_containers;
 333
 334         for (index = 0; index < dev->maximum_num_containers; ) {
 335                 fsa_dev_ptr[index].devname[0] = '\0';
 336
 337                 status = aac_probe_container(dev, index);
 338
 339                 if (status < 0) {
 340                         printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
 341                         break;
 342                 }
 343
 344                 /*
 345                  *      If there are no more containers, then stop asking.
 346                  */
 347                 if (++index >= status)
 348                         break;
 349         }
 350         return status;
 351 }
 352
 353 static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len)
 354 {
 355         void *buf;
 356         int transfer_len;
 357         struct scatterlist *sg = scsi_sglist(scsicmd);
 358
 359         buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
 360         transfer_len = min(sg->length, len + offset);
 361
 362         transfer_len -= offset;
 363         if (buf && transfer_len > 0)
 364                 memcpy(buf + offset, data, transfer_len);
 365
 366         kunmap_atomic(buf - sg->offset, KM_IRQ0);
 367
 368 }
 369
 370 static void get_container_name_callback(void *context, struct fib * fibptr)
 371 {
 372         struct aac_get_name_resp * get_name_reply;
 373         struct scsi_cmnd * scsicmd;
 374
 375         scsicmd = (struct scsi_cmnd *) context;
 376
 377         if (!aac_valid_context(scsicmd, fibptr))
 378                 return;
 379
 380         dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
 381         BUG_ON(fibptr == NULL);
 382
 383         get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
 384         /* Failure is irrelevant, using default value instead */
 385         if ((le32_to_cpu(get_name_reply->status) == CT_OK)
 386          && (get_name_reply->data[0] != '\0')) {
 387                 char *sp = get_name_reply->data;
 388                 sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0';
 389                 while (*sp == ' ')
 390                         ++sp;
 391                 if (*sp) {
 392                         char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
 393                         int count = sizeof(d);
 394                         char *dp = d;
 395                         do {
 396                                 *dp++ = (*sp) ? *sp++ : ' ';
 397                         } while (--count > 0);
 398                         aac_internal_transfer(scsicmd, d,
 399                           offsetof(struct inquiry_data, inqd_pid), sizeof(d));
 400                 }
 401         }
 402
 403         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 404
 405         aac_fib_complete(fibptr);
 406         aac_fib_free(fibptr);
 407         scsicmd->scsi_done(scsicmd);
 408 }
 409
 410 /**
 411  *      aac_get_container_name  -       get container name, none blocking.
 412  */
 413 static int aac_get_container_name(struct scsi_cmnd * scsicmd)
 414 {
 415         int status;
 416         struct aac_get_name *dinfo;
 417         struct fib * cmd_fibcontext;
 418         struct aac_dev * dev;
 419
 420         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 421
 422         if (!(cmd_fibcontext = aac_fib_alloc(dev)))
 423                 return -ENOMEM;
 424
 425         aac_fib_init(cmd_fibcontext);
 426         dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
 427
 428         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 429         dinfo->type = cpu_to_le32(CT_READ_NAME);
 430         dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
 431         dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));
 432
 433         status = aac_fib_send(ContainerCommand,
 434                   cmd_fibcontext,
 435                   sizeof (struct aac_get_name),
 436                   FsaNormal,
 437                   0, 1,
 438                   (fib_callback) get_container_name_callback,
 439                   (void *) scsicmd);
 440
 441         /*
 442          *      Check that the command queued to the controller
 443          */
 444         if (status == -EINPROGRESS) {
 445                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 446                 return 0;
 447         }
 448
 449         printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
 450         aac_fib_complete(cmd_fibcontext);
 451         aac_fib_free(cmd_fibcontext);
 452         return -1;
 453 }
 454
 455 static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
 456 {
 457         struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 458
 459         if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1))
 460                 return aac_scsi_cmd(scsicmd);
 461
 462         scsicmd->result = DID_NO_CONNECT << 16;
 463         scsicmd->scsi_done(scsicmd);
 464         return 0;
 465 }
 466
 467 static void _aac_probe_container2(void * context, struct fib * fibptr)
 468 {
 469         struct fsa_dev_info *fsa_dev_ptr;
 470         int (*callback)(struct scsi_cmnd *);
 471         struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context;
 472
 473
 474         if (!aac_valid_context(scsicmd, fibptr))
 475                 return;
 476
 477         scsicmd->SCp.Status = 0;
 478         fsa_dev_ptr = fibptr->dev->fsa_dev;
 479         if (fsa_dev_ptr) {
 480                 struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
 481                 fsa_dev_ptr += scmd_id(scsicmd);
 482
 483                 if ((le32_to_cpu(dresp->status) == ST_OK) &&
 484                     (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
 485                     (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
 486                         fsa_dev_ptr->valid = 1;
 487                         fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
 488                         fsa_dev_ptr->size
 489                           = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
 490                             (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
 491                         fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0);
 492                 }
 493                 if ((fsa_dev_ptr->valid & 1) == 0)
 494                         fsa_dev_ptr->valid = 0;
 495                 scsicmd->SCp.Status = le32_to_cpu(dresp->count);
 496         }
 497         aac_fib_complete(fibptr);
 498         aac_fib_free(fibptr);
 499         callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr);
 500         scsicmd->SCp.ptr = NULL;
 501         (*callback)(scsicmd);
 502         return;
 503 }
 504
 505 static void _aac_probe_container1(void * context, struct fib * fibptr)
 506 {
 507         struct scsi_cmnd * scsicmd;
 508         struct aac_mount * dresp;
 509         struct aac_query_mount *dinfo;
 510         int status;
 511
 512         dresp = (struct aac_mount *) fib_data(fibptr);
 513         dresp->mnt[0].capacityhigh = 0;
 514         if ((le32_to_cpu(dresp->status) != ST_OK) ||
 515             (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
 516                 _aac_probe_container2(context, fibptr);
 517                 return;
 518         }
 519         scsicmd = (struct scsi_cmnd *) context;
 520
 521         if (!aac_valid_context(scsicmd, fibptr))
 522                 return;
 523
 524         aac_fib_init(fibptr);
 525
 526         dinfo = (struct aac_query_mount *)fib_data(fibptr);
 527
 528         dinfo->command = cpu_to_le32(VM_NameServe64);
 529         dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 530         dinfo->type = cpu_to_le32(FT_FILESYS);
 531
 532         status = aac_fib_send(ContainerCommand,
 533                           fibptr,
 534                           sizeof(struct aac_query_mount),
 535                           FsaNormal,
 536                           0, 1,
 537                           _aac_probe_container2,
 538                           (void *) scsicmd);
 539         /*
 540          *      Check that the command queued to the controller
 541          */
 542         if (status == -EINPROGRESS)
 543                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 544         else if (status < 0) {
 545                 /* Inherit results from VM_NameServe, if any */
 546                 dresp->status = cpu_to_le32(ST_OK);
 547                 _aac_probe_container2(context, fibptr);
 548         }
 549 }
 550
 551 static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
 552 {
 553         struct fib * fibptr;
 554         int status = -ENOMEM;
 555
 556         if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
 557                 struct aac_query_mount *dinfo;
 558
 559                 aac_fib_init(fibptr);
 560
 561                 dinfo = (struct aac_query_mount *)fib_data(fibptr);
 562
 563                 dinfo->command = cpu_to_le32(VM_NameServe);
 564                 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 565                 dinfo->type = cpu_to_le32(FT_FILESYS);
 566                 scsicmd->SCp.ptr = (char *)callback;
 567
 568                 status = aac_fib_send(ContainerCommand,
 569                           fibptr,
 570                           sizeof(struct aac_query_mount),
 571                           FsaNormal,
 572                           0, 1,
 573                           _aac_probe_container1,
 574                           (void *) scsicmd);
 575                 /*
 576                  *      Check that the command queued to the controller
 577                  */
 578                 if (status == -EINPROGRESS) {
 579                         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 580                         return 0;
 581                 }
 582                 if (status < 0) {
 583                         scsicmd->SCp.ptr = NULL;
 584                         aac_fib_complete(fibptr);
 585                         aac_fib_free(fibptr);
 586                 }
 587         }
 588         if (status < 0) {
 589                 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 590                 if (fsa_dev_ptr) {
 591                         fsa_dev_ptr += scmd_id(scsicmd);
 592                         if ((fsa_dev_ptr->valid & 1) == 0) {
 593                                 fsa_dev_ptr->valid = 0;
 594                                 return (*callback)(scsicmd);
 595                         }
 596                 }
 597         }
 598         return status;
 599 }
 600
 601 /**
 602  *      aac_probe_container             -       query a logical volume
 603  *      @dev: device to query
 604  *      @cid: container identifier
 605  *
 606  *      Queries the controller about the given volume. The volume information
 607  *      is updated in the struct fsa_dev_info structure rather than returned.
 608  */
 609 static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
 610 {
 611         scsicmd->device = NULL;
 612         return 0;
 613 }
 614
 615 int aac_probe_container(struct aac_dev *dev, int cid)
 616 {
 617         struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL);
 618         struct scsi_device *scsidev = kmalloc(sizeof(*scsidev), GFP_KERNEL);
 619         int status;
 620
 621         if (!scsicmd || !scsidev) {
 622                 kfree(scsicmd);
 623                 kfree(scsidev);
 624                 return -ENOMEM;
 625         }
 626         scsicmd->list.next = NULL;
 627         scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))aac_probe_container_callback1;
 628
 629         scsicmd->device = scsidev;
 630         scsidev->sdev_state = 0;
 631         scsidev->id = cid;
 632         scsidev->host = dev->scsi_host_ptr;
 633
 634         if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
 635                 while (scsicmd->device == scsidev)
 636                         schedule();
 637         kfree(scsidev);
 638         status = scsicmd->SCp.Status;
 639         kfree(scsicmd);
 640         return status;
 641 }
 642
 643 /* Local Structure to set SCSI inquiry data strings */
 644 struct scsi_inq {
 645         char vid[8];         /* Vendor ID */
 646         char pid[16];        /* Product ID */
 647         char prl[4];         /* Product Revision Level */
 648 };
 649
 650 /**
 651  *      InqStrCopy      -       string merge
 652  *      @a:     string to copy from
 653  *      @b:     string to copy to
 654  *
 655  *      Copy a String from one location to another
 656  *      without copying \0
 657  */
 658
 659 static void inqstrcpy(char *a, char *b)
 660 {
 661
 662         while(*a != (char)0)
 663                 *b++ = *a++;
 664 }
 665
 666 static char *container_types[] = {
 667         "None",
 668         "Volume",
 669         "Mirror",
 670         "Stripe",
 671         "RAID5",
 672         "SSRW",
 673         "SSRO",
 674         "Morph",
 675         "Legacy",
 676         "RAID4",
 677         "RAID10",
 678         "RAID00",
 679         "V-MIRRORS",
 680         "PSEUDO R4",
 681         "RAID50",
 682         "RAID5D",
 683         "RAID5D0",
 684         "RAID1E",
 685         "RAID6",
 686         "RAID60",
 687         "Unknown"
 688 };
 689
 690
 691
 692 /* Function: setinqstr
 693  *
 694  * Arguments: [1] pointer to void [1] int
 695  *
 696  * Purpose: Sets SCSI inquiry data strings for vendor, product
 697  * and revision level. Allows strings to be set in platform dependant
 698  * files instead of in OS dependant driver source.
 699  */
 700
 701 static void setinqstr(struct aac_dev *dev, void *data, int tindex)
 702 {
 703         struct scsi_inq *str;
 704
 705         str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
 706         memset(str, ' ', sizeof(*str));
 707
 708         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 709                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 710                 int c = sizeof(str->vid);
 711                 while (*cp && *cp != ' ' && --c)
 712                         ++cp;
 713                 c = *cp;
 714                 *cp = '\0';
 715                 inqstrcpy (dev->supplement_adapter_info.AdapterTypeText,
 716                   str->vid);
 717                 *cp = c;
 718                 while (*cp && *cp != ' ')
 719                         ++cp;
 720                 while (*cp == ' ')
 721                         ++cp;
 722                 /* last six chars reserved for vol type */
 723                 c = 0;
 724                 if (strlen(cp) > sizeof(str->pid)) {
 725                         c = cp[sizeof(str->pid)];
 726                         cp[sizeof(str->pid)] = '\0';
 727                 }
 728                 inqstrcpy (cp, str->pid);
 729                 if (c)
 730                         cp[sizeof(str->pid)] = c;
 731         } else {
 732                 struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
 733
 734                 inqstrcpy (mp->vname, str->vid);
 735                 /* last six chars reserved for vol type */
 736                 inqstrcpy (mp->model, str->pid);
 737         }
 738
 739         if (tindex < ARRAY_SIZE(container_types)){
 740                 char *findit = str->pid;
 741
 742                 for ( ; *findit != ' '; findit++); /* walk till we find a space */
 743                 /* RAID is superfluous in the context of a RAID device */
 744                 if (memcmp(findit-4, "RAID", 4) == 0)
 745                         *(findit -= 4) = ' ';
 746                 if (((findit - str->pid) + strlen(container_types[tindex]))
 747                  < (sizeof(str->pid) + sizeof(str->prl)))
 748                         inqstrcpy (container_types[tindex], findit + 1);
 749         }
 750         inqstrcpy ("V1.0", str->prl);
 751 }
 752
 753 static void get_container_serial_callback(void *context, struct fib * fibptr)
 754 {
 755         struct aac_get_serial_resp * get_serial_reply;
 756         struct scsi_cmnd * scsicmd;
 757
 758         BUG_ON(fibptr == NULL);
 759
 760         scsicmd = (struct scsi_cmnd *) context;
 761         if (!aac_valid_context(scsicmd, fibptr))
 762                 return;
 763
 764         get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr);
 765         /* Failure is irrelevant, using default value instead */
 766         if (le32_to_cpu(get_serial_reply->status) == CT_OK) {
 767                 char sp[13];
 768                 /* EVPD bit set */
 769                 sp[0] = INQD_PDT_DA;
 770                 sp[1] = scsicmd->cmnd[2];
 771                 sp[2] = 0;
 772                 sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
 773                   le32_to_cpu(get_serial_reply->uid));
 774                 aac_internal_transfer(scsicmd, sp, 0, sizeof(sp));
 775         }
 776
 777         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 778
 779         aac_fib_complete(fibptr);
 780         aac_fib_free(fibptr);
 781         scsicmd->scsi_done(scsicmd);
 782 }
 783
 784 /**
 785  *      aac_get_container_serial - get container serial, none blocking.
 786  */
 787 static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
 788 {
 789         int status;
 790         struct aac_get_serial *dinfo;
 791         struct fib * cmd_fibcontext;
 792         struct aac_dev * dev;
 793
 794         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 795
 796         if (!(cmd_fibcontext = aac_fib_alloc(dev)))
 797                 return -ENOMEM;
 798
 799         aac_fib_init(cmd_fibcontext);
 800         dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext);
 801
 802         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 803         dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID);
 804         dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
 805
 806         status = aac_fib_send(ContainerCommand,
 807                   cmd_fibcontext,
 808                   sizeof (struct aac_get_serial),
 809                   FsaNormal,
 810                   0, 1,
 811                   (fib_callback) get_container_serial_callback,
 812                   (void *) scsicmd);
 813
 814         /*
 815          *      Check that the command queued to the controller
 816          */
 817         if (status == -EINPROGRESS) {
 818                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 819                 return 0;
 820         }
 821
 822         printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status);
 823         aac_fib_complete(cmd_fibcontext);
 824         aac_fib_free(cmd_fibcontext);
 825         return -1;
 826 }
 827
 828 /* Function: setinqserial
 829  *
 830  * Arguments: [1] pointer to void [1] int
 831  *
 832  * Purpose: Sets SCSI Unit Serial number.
 833  *          This is a fake. We should read a proper
 834  *          serial number from the container. <SuSE>But
 835  *          without docs it's quite hard to do it :-)
 836  *          So this will have to do in the meantime.</SuSE>
 837  */
 838
 839 static int setinqserial(struct aac_dev *dev, void *data, int cid)
 840 {
 841         /*
 842          *      This breaks array migration.
 843          */
 844         return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X",
 845                         le32_to_cpu(dev->adapter_info.serial[0]), cid);
 846 }
 847
 848 static void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code,
 849                       u8 a_sense_code, u8 incorrect_length,
 850                       u8 bit_pointer, u16 field_pointer,
 851                       u32 residue)
 852 {
 853         sense_buf[0] = 0xF0;    /* Sense data valid, err code 70h (current error) */
 854         sense_buf[1] = 0;       /* Segment number, always zero */
 855
 856         if (incorrect_length) {
 857                 sense_buf[2] = sense_key | 0x20;/* Set ILI bit | sense key */
 858                 sense_buf[3] = BYTE3(residue);
 859                 sense_buf[4] = BYTE2(residue);
 860                 sense_buf[5] = BYTE1(residue);
 861                 sense_buf[6] = BYTE0(residue);
 862         } else
 863                 sense_buf[2] = sense_key;       /* Sense key */
 864
 865         if (sense_key == ILLEGAL_REQUEST)
 866                 sense_buf[7] = 10;      /* Additional sense length */
 867         else
 868                 sense_buf[7] = 6;       /* Additional sense length */
 869
 870         sense_buf[12] = sense_code;     /* Additional sense code */
 871         sense_buf[13] = a_sense_code;   /* Additional sense code qualifier */
 872         if (sense_key == ILLEGAL_REQUEST) {
 873                 sense_buf[15] = 0;
 874
 875                 if (sense_code == SENCODE_INVALID_PARAM_FIELD)
 876                         sense_buf[15] = 0x80;/* Std sense key specific field */
 877                 /* Illegal parameter is in the parameter block */
 878
 879                 if (sense_code == SENCODE_INVALID_CDB_FIELD)
 880                         sense_buf[15] = 0xc0;/* Std sense key specific field */
 881                 /* Illegal parameter is in the CDB block */
 882                 sense_buf[15] |= bit_pointer;
 883                 sense_buf[16] = field_pointer >> 8;     /* MSB */
 884                 sense_buf[17] = field_pointer;          /* LSB */
 885         }
 886 }
 887
 888 static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
 889 {
 890         if (lba & 0xffffffff00000000LL) {
 891                 int cid = scmd_id(cmd);
 892                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
 893                 cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
 894                         SAM_STAT_CHECK_CONDITION;
 895                 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
 896                             HARDWARE_ERROR,
 897                             SENCODE_INTERNAL_TARGET_FAILURE,
 898                             ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
 899                             0, 0);
 900                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
 901                   (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(cmd->sense_buffer))
 902                     ? sizeof(cmd->sense_buffer)
 903                     : sizeof(dev->fsa_dev[cid].sense_data));
 904                 cmd->scsi_done(cmd);
 905                 return 1;
 906         }
 907         return 0;
 908 }
 909
 910 static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
 911 {
 912         return 0;
 913 }
 914
 915 static void io_callback(void *context, struct fib * fibptr);
 916
 917 static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 918 {
 919         u16 fibsize;
 920         struct aac_raw_io *readcmd;
 921         aac_fib_init(fib);
 922         readcmd = (struct aac_raw_io *) fib_data(fib);
 923         readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
 924         readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
 925         readcmd->count = cpu_to_le32(count<<9);
 926         readcmd->cid = cpu_to_le16(scmd_id(cmd));
 927         readcmd->flags = cpu_to_le16(IO_TYPE_READ);
 928         readcmd->bpTotal = 0;
 929         readcmd->bpComplete = 0;
 930
 931         aac_build_sgraw(cmd, &readcmd->sg);
 932         fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
 933         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
 934         /*
 935          *      Now send the Fib to the adapter
 936          */
 937         return aac_fib_send(ContainerRawIo,
 938                           fib,
 939                           fibsize,
 940                           FsaNormal,
 941                           0, 1,
 942                           (fib_callback) io_callback,
 943                           (void *) cmd);
 944 }
 945
 946 static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 947 {
 948         u16 fibsize;
 949         struct aac_read64 *readcmd;
 950         aac_fib_init(fib);
 951         readcmd = (struct aac_read64 *) fib_data(fib);
 952         readcmd->command = cpu_to_le32(VM_CtHostRead64);
 953         readcmd->cid = cpu_to_le16(scmd_id(cmd));
 954         readcmd->sector_count = cpu_to_le16(count);
 955         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
 956         readcmd->pad   = 0;
 957         readcmd->flags = 0;
 958
 959         aac_build_sg64(cmd, &readcmd->sg);
 960         fibsize = sizeof(struct aac_read64) +
 961                 ((le32_to_cpu(readcmd->sg.count) - 1) *
 962                  sizeof (struct sgentry64));
 963         BUG_ON (fibsize > (fib->dev->max_fib_size -
 964                                 sizeof(struct aac_fibhdr)));
 965         /*
 966          *      Now send the Fib to the adapter
 967          */
 968         return aac_fib_send(ContainerCommand64,
 969                           fib,
 970                           fibsize,
 971                           FsaNormal,
 972                           0, 1,
 973                           (fib_callback) io_callback,
 974                           (void *) cmd);
 975 }
 976
 977 static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 978 {
 979         u16 fibsize;
 980         struct aac_read *readcmd;
 981         aac_fib_init(fib);
 982         readcmd = (struct aac_read *) fib_data(fib);
 983         readcmd->command = cpu_to_le32(VM_CtBlockRead);
 984         readcmd->cid = cpu_to_le16(scmd_id(cmd));
 985         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
 986         readcmd->count = cpu_to_le32(count * 512);
 987
 988         aac_build_sg(cmd, &readcmd->sg);
 989         fibsize = sizeof(struct aac_read) +
 990                         ((le32_to_cpu(readcmd->sg.count) - 1) *
 991                          sizeof (struct sgentry));
 992         BUG_ON (fibsize > (fib->dev->max_fib_size -
 993                                 sizeof(struct aac_fibhdr)));
 994         /*
 995          *      Now send the Fib to the adapter
 996          */
 997         return aac_fib_send(ContainerCommand,
 998                           fib,
 999                           fibsize,
1000                           FsaNormal,
1001                           0, 1,
1002                           (fib_callback) io_callback,
1003                           (void *) cmd);
1004 }
1005
1006 static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1007 {
1008         u16 fibsize;
1009         struct aac_raw_io *writecmd;
1010         aac_fib_init(fib);
1011         writecmd = (struct aac_raw_io *) fib_data(fib);
1012         writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1013         writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1014         writecmd->count = cpu_to_le32(count<<9);
1015         writecmd->cid = cpu_to_le16(scmd_id(cmd));
1016         writecmd->flags = fua ?
1017                 cpu_to_le16(IO_TYPE_WRITE|IO_SUREWRITE) :
1018                 cpu_to_le16(IO_TYPE_WRITE);
1019         writecmd->bpTotal = 0;
1020         writecmd->bpComplete = 0;
1021
1022         aac_build_sgraw(cmd, &writecmd->sg);
1023         fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
1024         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1025         /*
1026          *      Now send the Fib to the adapter
1027          */
1028         return aac_fib_send(ContainerRawIo,
1029                           fib,
1030                           fibsize,
1031                           FsaNormal,
1032                           0, 1,
1033                           (fib_callback) io_callback,
1034                           (void *) cmd);
1035 }
1036
1037 static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1038 {
1039         u16 fibsize;
1040         struct aac_write64 *writecmd;
1041         aac_fib_init(fib);
1042         writecmd = (struct aac_write64 *) fib_data(fib);
1043         writecmd->command = cpu_to_le32(VM_CtHostWrite64);
1044         writecmd->cid = cpu_to_le16(scmd_id(cmd));
1045         writecmd->sector_count = cpu_to_le16(count);
1046         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1047         writecmd->pad   = 0;
1048         writecmd->flags = 0;
1049
1050         aac_build_sg64(cmd, &writecmd->sg);
1051         fibsize = sizeof(struct aac_write64) +
1052                 ((le32_to_cpu(writecmd->sg.count) - 1) *
1053                  sizeof (struct sgentry64));
1054         BUG_ON (fibsize > (fib->dev->max_fib_size -
1055                                 sizeof(struct aac_fibhdr)));
1056         /*
1057          *      Now send the Fib to the adapter
1058          */
1059         return aac_fib_send(ContainerCommand64,
1060                           fib,
1061                           fibsize,
1062                           FsaNormal,
1063                           0, 1,
1064                           (fib_callback) io_callback,
1065                           (void *) cmd);
1066 }
1067
1068 static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1069 {
1070         u16 fibsize;
1071         struct aac_write *writecmd;
1072         aac_fib_init(fib);
1073         writecmd = (struct aac_write *) fib_data(fib);
1074         writecmd->command = cpu_to_le32(VM_CtBlockWrite);
1075         writecmd->cid = cpu_to_le16(scmd_id(cmd));
1076         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1077         writecmd->count = cpu_to_le32(count * 512);
1078         writecmd->sg.count = cpu_to_le32(1);
1079         /* ->stable is not used - it did mean which type of write */
1080
1081         aac_build_sg(cmd, &writecmd->sg);
1082         fibsize = sizeof(struct aac_write) +
1083                 ((le32_to_cpu(writecmd->sg.count) - 1) *
1084                  sizeof (struct sgentry));
1085         BUG_ON (fibsize > (fib->dev->max_fib_size -
1086                                 sizeof(struct aac_fibhdr)));
1087         /*
1088          *      Now send the Fib to the adapter
1089          */
1090         return aac_fib_send(ContainerCommand,
1091                           fib,
1092                           fibsize,
1093                           FsaNormal,
1094                           0, 1,
1095                           (fib_callback) io_callback,
1096                           (void *) cmd);
1097 }
1098
1099 static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
1100 {
1101         struct aac_srb * srbcmd;
1102         u32 flag;
1103         u32 timeout;
1104
1105         aac_fib_init(fib);
1106         switch(cmd->sc_data_direction){
1107         case DMA_TO_DEVICE:
1108                 flag = SRB_DataOut;
1109                 break;
1110         case DMA_BIDIRECTIONAL:
1111                 flag = SRB_DataIn | SRB_DataOut;
1112                 break;
1113         case DMA_FROM_DEVICE:
1114                 flag = SRB_DataIn;
1115                 break;
1116         case DMA_NONE:
1117         default:        /* shuts up some versions of gcc */
1118                 flag = SRB_NoDataXfer;
1119                 break;
1120         }
1121
1122         srbcmd = (struct aac_srb*) fib_data(fib);
1123         srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1124         srbcmd->channel  = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1125         srbcmd->id       = cpu_to_le32(scmd_id(cmd));
1126         srbcmd->lun      = cpu_to_le32(cmd->device->lun);
1127         srbcmd->flags    = cpu_to_le32(flag);
1128         timeout = cmd->timeout_per_command/HZ;
1129         if (timeout == 0)
1130                 timeout = 1;
1131         srbcmd->timeout  = cpu_to_le32(timeout);  // timeout in seconds
1132         srbcmd->retry_limit = 0; /* Obsolete parameter */
1133         srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1134         return srbcmd;
1135 }
1136
1137 static void aac_srb_callback(void *context, struct fib * fibptr);
1138
1139 static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1140 {
1141         u16 fibsize;
1142         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1143
1144         aac_build_sg64(cmd, (struct sgmap64*) &srbcmd->sg);
1145         srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1146
1147         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1148         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1149         /*
1150          *      Build Scatter/Gather list
1151          */
1152         fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1153                 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1154                  sizeof (struct sgentry64));
1155         BUG_ON (fibsize > (fib->dev->max_fib_size -
1156                                 sizeof(struct aac_fibhdr)));
1157
1158         /*
1159          *      Now send the Fib to the adapter
1160          */
1161         return aac_fib_send(ScsiPortCommand64, fib,
1162                                 fibsize, FsaNormal, 0, 1,
1163                                   (fib_callback) aac_srb_callback,
1164                                   (void *) cmd);
1165 }
1166
1167 static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1168 {
1169         u16 fibsize;
1170         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1171
1172         aac_build_sg(cmd, (struct sgmap*)&srbcmd->sg);
1173         srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1174
1175         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1176         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1177         /*
1178          *      Build Scatter/Gather list
1179          */
1180         fibsize = sizeof (struct aac_srb) +
1181                 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1182                  sizeof (struct sgentry));
1183         BUG_ON (fibsize > (fib->dev->max_fib_size -
1184                                 sizeof(struct aac_fibhdr)));
1185
1186         /*
1187          *      Now send the Fib to the adapter
1188          */
1189         return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1190                                   (fib_callback) aac_srb_callback, (void *) cmd);
1191 }
1192
1193 int aac_get_adapter_info(struct aac_dev* dev)
1194 {
1195         struct fib* fibptr;
1196         int rcode;
1197         u32 tmp;
1198         struct aac_adapter_info *info;
1199         struct aac_bus_info *command;
1200         struct aac_bus_info_response *bus_info;
1201
1202         if (!(fibptr = aac_fib_alloc(dev)))
1203                 return -ENOMEM;
1204
1205         aac_fib_init(fibptr);
1206         info = (struct aac_adapter_info *) fib_data(fibptr);
1207         memset(info,0,sizeof(*info));
1208
1209         rcode = aac_fib_send(RequestAdapterInfo,
1210                          fibptr,
1211                          sizeof(*info),
1212                          FsaNormal,
1213                          -1, 1, /* First `interrupt' command uses special wait */
1214                          NULL,
1215                          NULL);
1216
1217         if (rcode < 0) {
1218                 aac_fib_complete(fibptr);
1219                 aac_fib_free(fibptr);
1220                 return rcode;
1221         }
1222         memcpy(&dev->adapter_info, info, sizeof(*info));
1223
1224         if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
1225                 struct aac_supplement_adapter_info * info;
1226
1227                 aac_fib_init(fibptr);
1228
1229                 info = (struct aac_supplement_adapter_info *) fib_data(fibptr);
1230
1231                 memset(info,0,sizeof(*info));
1232
1233                 rcode = aac_fib_send(RequestSupplementAdapterInfo,
1234                                  fibptr,
1235                                  sizeof(*info),
1236                                  FsaNormal,
1237                                  1, 1,
1238                                  NULL,
1239                                  NULL);
1240
1241                 if (rcode >= 0)
1242                         memcpy(&dev->supplement_adapter_info, info, sizeof(*info));
1243         }
1244
1245
1246         /*
1247          * GetBusInfo
1248          */
1249
1250         aac_fib_init(fibptr);
1251
1252         bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
1253
1254         memset(bus_info, 0, sizeof(*bus_info));
1255
1256         command = (struct aac_bus_info *)bus_info;
1257
1258         command->Command = cpu_to_le32(VM_Ioctl);
1259         command->ObjType = cpu_to_le32(FT_DRIVE);
1260         command->MethodId = cpu_to_le32(1);
1261         command->CtlCmd = cpu_to_le32(GetBusInfo);
1262
1263         rcode = aac_fib_send(ContainerCommand,
1264                          fibptr,
1265                          sizeof (*bus_info),
1266                          FsaNormal,
1267                          1, 1,
1268                          NULL, NULL);
1269
1270         if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
1271                 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
1272                 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
1273         }
1274
1275         if (!dev->in_reset) {
1276                 char buffer[16];
1277                 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1278                 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
1279                         dev->name,
1280                         dev->id,
1281                         tmp>>24,
1282                         (tmp>>16)&0xff,
1283                         tmp&0xff,
1284                         le32_to_cpu(dev->adapter_info.kernelbuild),
1285                         (int)sizeof(dev->supplement_adapter_info.BuildDate),
1286                         dev->supplement_adapter_info.BuildDate);
1287                 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1288                 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
1289                         dev->name, dev->id,
1290                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1291                         le32_to_cpu(dev->adapter_info.monitorbuild));
1292                 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1293                 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
1294                         dev->name, dev->id,
1295                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1296                         le32_to_cpu(dev->adapter_info.biosbuild));
1297                 buffer[0] = '\0';
1298                 if (aac_show_serial_number(
1299                   shost_to_class(dev->scsi_host_ptr), buffer))
1300                         printk(KERN_INFO "%s%d: serial %s",
1301                           dev->name, dev->id, buffer);
1302                 if (dev->supplement_adapter_info.VpdInfo.Tsid[0]) {
1303                         printk(KERN_INFO "%s%d: TSID %.*s\n",
1304                           dev->name, dev->id,
1305                           (int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid),
1306                           dev->supplement_adapter_info.VpdInfo.Tsid);
1307                 }
1308                 if (!check_reset ||
1309                   (dev->supplement_adapter_info.SupportedOptions2 &
1310                   le32_to_cpu(AAC_OPTION_IGNORE_RESET))) {
1311                         printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
1312                           dev->name, dev->id);
1313                 }
1314         }
1315
1316         dev->nondasd_support = 0;
1317         dev->raid_scsi_mode = 0;
1318         if(dev->adapter_info.options & AAC_OPT_NONDASD){
1319                 dev->nondasd_support = 1;
1320         }
1321
1322         /*
1323          * If the firmware supports ROMB RAID/SCSI mode and we are currently
1324          * in RAID/SCSI mode, set the flag. For now if in this mode we will
1325          * force nondasd support on. If we decide to allow the non-dasd flag
1326          * additional changes changes will have to be made to support
1327          * RAID/SCSI.  the function aac_scsi_cmd in this module will have to be
1328          * changed to support the new dev->raid_scsi_mode flag instead of
1329          * leaching off of the dev->nondasd_support flag. Also in linit.c the
1330          * function aac_detect will have to be modified where it sets up the
1331          * max number of channels based on the aac->nondasd_support flag only.
1332          */
1333         if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
1334             (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
1335                 dev->nondasd_support = 1;
1336                 dev->raid_scsi_mode = 1;
1337         }
1338         if (dev->raid_scsi_mode != 0)
1339                 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
1340                                 dev->name, dev->id);
1341
1342         if(nondasd != -1) {
1343                 dev->nondasd_support = (nondasd!=0);
1344         }
1345         if(dev->nondasd_support != 0){
1346                 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
1347         }
1348
1349         dev->dac_support = 0;
1350         if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){
1351                 printk(KERN_INFO "%s%d: 64bit support enabled.\n", dev->name, dev->id);
1352                 dev->dac_support = 1;
1353         }
1354
1355         if(dacmode != -1) {
1356                 dev->dac_support = (dacmode!=0);
1357         }
1358         if(dev->dac_support != 0) {
1359                 if (!pci_set_dma_mask(dev->pdev, DMA_64BIT_MASK) &&
1360                         !pci_set_consistent_dma_mask(dev->pdev, DMA_64BIT_MASK)) {
1361                         printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
1362                                 dev->name, dev->id);
1363                 } else if (!pci_set_dma_mask(dev->pdev, DMA_32BIT_MASK) &&
1364                         !pci_set_consistent_dma_mask(dev->pdev, DMA_32BIT_MASK)) {
1365                         printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
1366                                 dev->name, dev->id);
1367                         dev->dac_support = 0;
1368                 } else {
1369                         printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
1370                                 dev->name, dev->id);
1371                         rcode = -ENOMEM;
1372                 }
1373         }
1374         /*
1375          * Deal with configuring for the individualized limits of each packet
1376          * interface.
1377          */
1378         dev->a_ops.adapter_scsi = (dev->dac_support)
1379                                 ? aac_scsi_64
1380                                 : aac_scsi_32;
1381         if (dev->raw_io_interface) {
1382                 dev->a_ops.adapter_bounds = (dev->raw_io_64)
1383                                         ? aac_bounds_64
1384                                         : aac_bounds_32;
1385                 dev->a_ops.adapter_read = aac_read_raw_io;
1386                 dev->a_ops.adapter_write = aac_write_raw_io;
1387         } else {
1388                 dev->a_ops.adapter_bounds = aac_bounds_32;
1389                 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
1390                         sizeof(struct aac_fibhdr) -
1391                         sizeof(struct aac_write) + sizeof(struct sgentry)) /
1392                                 sizeof(struct sgentry);
1393                 if (dev->dac_support) {
1394                         dev->a_ops.adapter_read = aac_read_block64;
1395                         dev->a_ops.adapter_write = aac_write_block64;
1396                         /*
1397                          * 38 scatter gather elements
1398                          */
1399                         dev->scsi_host_ptr->sg_tablesize =
1400                                 (dev->max_fib_size -
1401                                 sizeof(struct aac_fibhdr) -
1402                                 sizeof(struct aac_write64) +
1403                                 sizeof(struct sgentry64)) /
1404                                         sizeof(struct sgentry64);
1405                 } else {
1406                         dev->a_ops.adapter_read = aac_read_block;
1407                         dev->a_ops.adapter_write = aac_write_block;
1408                 }
1409                 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
1410                 if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
1411                         /*
1412                          * Worst case size that could cause sg overflow when
1413                          * we break up SG elements that are larger than 64KB.
1414                          * Would be nice if we could tell the SCSI layer what
1415                          * the maximum SG element size can be. Worst case is
1416                          * (sg_tablesize-1) 4KB elements with one 64KB
1417                          * element.
1418                          *      32bit -> 468 or 238KB   64bit -> 424 or 212KB
1419                          */
1420                         dev->scsi_host_ptr->max_sectors =
1421                           (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
1422                 }
1423         }
1424
1425         aac_fib_complete(fibptr);
1426         aac_fib_free(fibptr);
1427
1428         return rcode;
1429 }
1430
1431
1432 static void io_callback(void *context, struct fib * fibptr)
1433 {
1434         struct aac_dev *dev;
1435         struct aac_read_reply *readreply;
1436         struct scsi_cmnd *scsicmd;
1437         u32 cid;
1438
1439         scsicmd = (struct scsi_cmnd *) context;
1440
1441         if (!aac_valid_context(scsicmd, fibptr))
1442                 return;
1443
1444         dev = fibptr->dev;
1445         cid = scmd_id(scsicmd);
1446
1447         if (nblank(dprintk(x))) {
1448                 u64 lba;
1449                 switch (scsicmd->cmnd[0]) {
1450                 case WRITE_6:
1451                 case READ_6:
1452                         lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1453                             (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1454                         break;
1455                 case WRITE_16:
1456                 case READ_16:
1457                         lba = ((u64)scsicmd->cmnd[2] << 56) |
1458                               ((u64)scsicmd->cmnd[3] << 48) |
1459                               ((u64)scsicmd->cmnd[4] << 40) |
1460                               ((u64)scsicmd->cmnd[5] << 32) |
1461                               ((u64)scsicmd->cmnd[6] << 24) |
1462                               (scsicmd->cmnd[7] << 16) |
1463                               (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1464                         break;
1465                 case WRITE_12:
1466                 case READ_12:
1467                         lba = ((u64)scsicmd->cmnd[2] << 24) |
1468                               (scsicmd->cmnd[3] << 16) |
1469                               (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1470                         break;
1471                 default:
1472                         lba = ((u64)scsicmd->cmnd[2] << 24) |
1473                                (scsicmd->cmnd[3] << 16) |
1474                                (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1475                         break;
1476                 }
1477                 printk(KERN_DEBUG
1478                   "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
1479                   smp_processor_id(), (unsigned long long)lba, jiffies);
1480         }
1481
1482         BUG_ON(fibptr == NULL);
1483
1484         scsi_dma_unmap(scsicmd);
1485
1486         readreply = (struct aac_read_reply *)fib_data(fibptr);
1487         if (le32_to_cpu(readreply->status) == ST_OK)
1488                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1489         else {
1490 #ifdef AAC_DETAILED_STATUS_INFO
1491                 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
1492                   le32_to_cpu(readreply->status));
1493 #endif
1494                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1495                 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1496                                     HARDWARE_ERROR,
1497                                     SENCODE_INTERNAL_TARGET_FAILURE,
1498                                     ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1499                                     0, 0);
1500                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1501                   (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1502                     ? sizeof(scsicmd->sense_buffer)
1503                     : sizeof(dev->fsa_dev[cid].sense_data));
1504         }
1505         aac_fib_complete(fibptr);
1506         aac_fib_free(fibptr);
1507
1508         scsicmd->scsi_done(scsicmd);
1509 }
1510
1511 static int aac_read(struct scsi_cmnd * scsicmd)
1512 {
1513         u64 lba;
1514         u32 count;
1515         int status;
1516         struct aac_dev *dev;
1517         struct fib * cmd_fibcontext;
1518
1519         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1520         /*
1521          *      Get block address and transfer length
1522          */
1523         switch (scsicmd->cmnd[0]) {
1524         case READ_6:
1525                 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
1526
1527                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1528                         (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1529                 count = scsicmd->cmnd[4];
1530
1531                 if (count == 0)
1532                         count = 256;
1533                 break;
1534         case READ_16:
1535                 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
1536
1537                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
1538                         ((u64)scsicmd->cmnd[3] << 48) |
1539                         ((u64)scsicmd->cmnd[4] << 40) |
1540                         ((u64)scsicmd->cmnd[5] << 32) |
1541                         ((u64)scsicmd->cmnd[6] << 24) |
1542                         (scsicmd->cmnd[7] << 16) |
1543                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1544                 count = (scsicmd->cmnd[10] << 24) |
1545                         (scsicmd->cmnd[11] << 16) |
1546                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1547                 break;
1548         case READ_12:
1549                 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
1550
1551                 lba = ((u64)scsicmd->cmnd[2] << 24) |
1552                         (scsicmd->cmnd[3] << 16) |
1553                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1554                 count = (scsicmd->cmnd[6] << 24) |
1555                         (scsicmd->cmnd[7] << 16) |
1556                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1557                 break;
1558         default:
1559                 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
1560
1561                 lba = ((u64)scsicmd->cmnd[2] << 24) |
1562                         (scsicmd->cmnd[3] << 16) |
1563                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1564                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1565                 break;
1566         }
1567         dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
1568           smp_processor_id(), (unsigned long long)lba, jiffies));
1569         if (aac_adapter_bounds(dev,scsicmd,lba))
1570                 return 0;
1571         /*
1572          *      Alocate and initialize a Fib
1573          */
1574         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1575                 return -1;
1576         }
1577
1578         status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
1579
1580         /*
1581          *      Check that the command queued to the controller
1582          */
1583         if (status == -EINPROGRESS) {
1584                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1585                 return 0;
1586         }
1587
1588         printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
1589         /*
1590          *      For some reason, the Fib didn't queue, return QUEUE_FULL
1591          */
1592         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1593         scsicmd->scsi_done(scsicmd);
1594         aac_fib_complete(cmd_fibcontext);
1595         aac_fib_free(cmd_fibcontext);
1596         return 0;
1597 }
1598
1599 static int aac_write(struct scsi_cmnd * scsicmd)
1600 {
1601         u64 lba;
1602         u32 count;
1603         int fua;
1604         int status;
1605         struct aac_dev *dev;
1606         struct fib * cmd_fibcontext;
1607
1608         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1609         /*
1610          *      Get block address and transfer length
1611          */
1612         if (scsicmd->cmnd[0] == WRITE_6)        /* 6 byte command */
1613         {
1614                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1615                 count = scsicmd->cmnd[4];
1616                 if (count == 0)
1617                         count = 256;
1618                 fua = 0;
1619         } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
1620                 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
1621
1622                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
1623                         ((u64)scsicmd->cmnd[3] << 48) |
1624                         ((u64)scsicmd->cmnd[4] << 40) |
1625                         ((u64)scsicmd->cmnd[5] << 32) |
1626                         ((u64)scsicmd->cmnd[6] << 24) |
1627                         (scsicmd->cmnd[7] << 16) |
1628                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1629                 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
1630                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1631                 fua = scsicmd->cmnd[1] & 0x8;
1632         } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
1633                 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
1634
1635                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
1636                     | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1637                 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
1638                       | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1639                 fua = scsicmd->cmnd[1] & 0x8;
1640         } else {
1641                 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
1642                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1643                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1644                 fua = scsicmd->cmnd[1] & 0x8;
1645         }
1646         dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
1647           smp_processor_id(), (unsigned long long)lba, jiffies));
1648         if (aac_adapter_bounds(dev,scsicmd,lba))
1649                 return 0;
1650         /*
1651          *      Allocate and initialize a Fib then setup a BlockWrite command
1652          */
1653         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1654                 scsicmd->result = DID_ERROR << 16;
1655                 scsicmd->scsi_done(scsicmd);
1656                 return 0;
1657         }
1658
1659         status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
1660
1661         /*
1662          *      Check that the command queued to the controller
1663          */
1664         if (status == -EINPROGRESS) {
1665                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1666                 return 0;
1667         }
1668
1669         printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
1670         /*
1671          *      For some reason, the Fib didn't queue, return QUEUE_FULL
1672          */
1673         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1674         scsicmd->scsi_done(scsicmd);
1675
1676         aac_fib_complete(cmd_fibcontext);
1677         aac_fib_free(cmd_fibcontext);
1678         return 0;
1679 }
1680
1681 static void synchronize_callback(void *context, struct fib *fibptr)
1682 {
1683         struct aac_synchronize_reply *synchronizereply;
1684         struct scsi_cmnd *cmd;
1685
1686         cmd = context;
1687
1688         if (!aac_valid_context(cmd, fibptr))
1689                 return;
1690
1691         dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
1692                                 smp_processor_id(), jiffies));
1693         BUG_ON(fibptr == NULL);
1694
1695
1696         synchronizereply = fib_data(fibptr);
1697         if (le32_to_cpu(synchronizereply->status) == CT_OK)
1698                 cmd->result = DID_OK << 16 |
1699                         COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1700         else {
1701                 struct scsi_device *sdev = cmd->device;
1702                 struct aac_dev *dev = fibptr->dev;
1703                 u32 cid = sdev_id(sdev);
1704                 printk(KERN_WARNING
1705                      "synchronize_callback: synchronize failed, status = %d\n",
1706                      le32_to_cpu(synchronizereply->status));
1707                 cmd->result = DID_OK << 16 |
1708                         COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1709                 set_sense((u8 *)&dev->fsa_dev[cid].sense_data,
1710                                     HARDWARE_ERROR,
1711                                     SENCODE_INTERNAL_TARGET_FAILURE,
1712                                     ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1713                                     0, 0);
1714                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1715                   min(sizeof(dev->fsa_dev[cid].sense_data),
1716                           sizeof(cmd->sense_buffer)));
1717         }
1718
1719         aac_fib_complete(fibptr);
1720         aac_fib_free(fibptr);
1721         cmd->scsi_done(cmd);
1722 }
1723
1724 static int aac_synchronize(struct scsi_cmnd *scsicmd)
1725 {
1726         int status;
1727         struct fib *cmd_fibcontext;
1728         struct aac_synchronize *synchronizecmd;
1729         struct scsi_cmnd *cmd;
1730         struct scsi_device *sdev = scsicmd->device;
1731         int active = 0;
1732         struct aac_dev *aac;
1733         unsigned long flags;
1734
1735         /*
1736          * Wait for all outstanding queued commands to complete to this
1737          * specific target (block).
1738          */
1739         spin_lock_irqsave(&sdev->list_lock, flags);
1740         list_for_each_entry(cmd, &sdev->cmd_list, list)
1741                 if (cmd != scsicmd && cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
1742                         ++active;
1743                         break;
1744                 }
1745
1746         spin_unlock_irqrestore(&sdev->list_lock, flags);
1747
1748         /*
1749          *      Yield the processor (requeue for later)
1750          */
1751         if (active)
1752                 return SCSI_MLQUEUE_DEVICE_BUSY;
1753
1754         aac = (struct aac_dev *)scsicmd->device->host->hostdata;
1755         if (aac->in_reset)
1756                 return SCSI_MLQUEUE_HOST_BUSY;
1757
1758         /*
1759          *      Allocate and initialize a Fib
1760          */
1761         if (!(cmd_fibcontext = aac_fib_alloc(aac)))
1762                 return SCSI_MLQUEUE_HOST_BUSY;
1763
1764         aac_fib_init(cmd_fibcontext);
1765
1766         synchronizecmd = fib_data(cmd_fibcontext);
1767         synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
1768         synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
1769         synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
1770         synchronizecmd->count =
1771              cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
1772
1773         /*
1774          *      Now send the Fib to the adapter
1775          */
1776         status = aac_fib_send(ContainerCommand,
1777                   cmd_fibcontext,
1778                   sizeof(struct aac_synchronize),
1779                   FsaNormal,
1780                   0, 1,
1781                   (fib_callback)synchronize_callback,
1782                   (void *)scsicmd);
1783
1784         /*
1785          *      Check that the command queued to the controller
1786          */
1787         if (status == -EINPROGRESS) {
1788                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1789                 return 0;
1790         }
1791
1792         printk(KERN_WARNING
1793                 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
1794         aac_fib_complete(cmd_fibcontext);
1795         aac_fib_free(cmd_fibcontext);
1796         return SCSI_MLQUEUE_HOST_BUSY;
1797 }
1798
1799 /**
1800  *      aac_scsi_cmd()          -       Process SCSI command
1801  *      @scsicmd:               SCSI command block
1802  *
1803  *      Emulate a SCSI command and queue the required request for the
1804  *      aacraid firmware.
1805  */
1806
1807 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
1808 {
1809         u32 cid;
1810         struct Scsi_Host *host = scsicmd->device->host;
1811         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
1812         struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
1813
1814         if (fsa_dev_ptr == NULL)
1815                 return -1;
1816         /*
1817          *      If the bus, id or lun is out of range, return fail
1818          *      Test does not apply to ID 16, the pseudo id for the controller
1819          *      itself.
1820          */
1821         cid = scmd_id(scsicmd);
1822         if (cid != host->this_id) {
1823                 if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
1824                         if((cid >= dev->maximum_num_containers) ||
1825                                         (scsicmd->device->lun != 0)) {
1826                                 scsicmd->result = DID_NO_CONNECT << 16;
1827                                 scsicmd->scsi_done(scsicmd);
1828                                 return 0;
1829                         }
1830
1831                         /*
1832                          *      If the target container doesn't exist, it may have
1833                          *      been newly created
1834                          */
1835                         if ((fsa_dev_ptr[cid].valid & 1) == 0) {
1836                                 switch (scsicmd->cmnd[0]) {
1837                                 case SERVICE_ACTION_IN:
1838                                         if (!(dev->raw_io_interface) ||
1839                                             !(dev->raw_io_64) ||
1840                                             ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
1841                                                 break;
1842                                 case INQUIRY:
1843                                 case READ_CAPACITY:
1844                                 case TEST_UNIT_READY:
1845                                         if (dev->in_reset)
1846                                                 return -1;
1847                                         return _aac_probe_container(scsicmd,
1848                                                         aac_probe_container_callback2);
1849                                 default:
1850                                         break;
1851                                 }
1852                         }
1853                 } else {  /* check for physical non-dasd devices */
1854                         if ((dev->nondasd_support == 1) || expose_physicals) {
1855                                 if (dev->in_reset)
1856                                         return -1;
1857                                 return aac_send_srb_fib(scsicmd);
1858                         } else {
1859                                 scsicmd->result = DID_NO_CONNECT << 16;
1860                                 scsicmd->scsi_done(scsicmd);
1861                                 return 0;
1862                         }
1863                 }
1864         }
1865         /*
1866          * else Command for the controller itself
1867          */
1868         else if ((scsicmd->cmnd[0] != INQUIRY) &&       /* only INQUIRY & TUR cmnd supported for controller */
1869                 (scsicmd->cmnd[0] != TEST_UNIT_READY))
1870         {
1871                 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
1872                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1873                 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1874                             ILLEGAL_REQUEST,
1875                             SENCODE_INVALID_COMMAND,
1876                             ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
1877                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1878                   (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1879                     ? sizeof(scsicmd->sense_buffer)
1880                     : sizeof(dev->fsa_dev[cid].sense_data));
1881                 scsicmd->scsi_done(scsicmd);
1882                 return 0;
1883         }
1884
1885
1886         /* Handle commands here that don't really require going out to the adapter */
1887         switch (scsicmd->cmnd[0]) {
1888         case INQUIRY:
1889         {
1890                 struct inquiry_data inq_data;
1891
1892                 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
1893                 memset(&inq_data, 0, sizeof (struct inquiry_data));
1894
1895                 if (scsicmd->cmnd[1] & 0x1 ) {
1896                         char *arr = (char *)&inq_data;
1897
1898                         /* EVPD bit set */
1899                         arr[0] = (scmd_id(scsicmd) == host->this_id) ?
1900                           INQD_PDT_PROC : INQD_PDT_DA;
1901                         if (scsicmd->cmnd[2] == 0) {
1902                                 /* supported vital product data pages */
1903                                 arr[3] = 2;
1904                                 arr[4] = 0x0;
1905                                 arr[5] = 0x80;
1906                                 arr[1] = scsicmd->cmnd[2];
1907                                 aac_internal_transfer(scsicmd, &inq_data, 0,
1908                                   sizeof(inq_data));
1909                                 scsicmd->result = DID_OK << 16 |
1910                                   COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1911                         } else if (scsicmd->cmnd[2] == 0x80) {
1912                                 /* unit serial number page */
1913                                 arr[3] = setinqserial(dev, &arr[4],
1914                                   scmd_id(scsicmd));
1915                                 arr[1] = scsicmd->cmnd[2];
1916                                 aac_internal_transfer(scsicmd, &inq_data, 0,
1917                                   sizeof(inq_data));
1918                                 return aac_get_container_serial(scsicmd);
1919                         } else {
1920                                 /* vpd page not implemented */
1921                                 scsicmd->result = DID_OK << 16 |
1922                                   COMMAND_COMPLETE << 8 |
1923                                   SAM_STAT_CHECK_CONDITION;
1924                                 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1925                                   ILLEGAL_REQUEST,
1926                                   SENCODE_INVALID_CDB_FIELD,
1927                                   ASENCODE_NO_SENSE, 0, 7, 2, 0);
1928                                 memcpy(scsicmd->sense_buffer,
1929                                   &dev->fsa_dev[cid].sense_data,
1930                                   (sizeof(dev->fsa_dev[cid].sense_data) >
1931                                     sizeof(scsicmd->sense_buffer))
1932                                        ? sizeof(scsicmd->sense_buffer)
1933                                        : sizeof(dev->fsa_dev[cid].sense_data));
1934                         }
1935                         scsicmd->scsi_done(scsicmd);
1936                         return 0;
1937                 }
1938                 inq_data.inqd_ver = 2;  /* claim compliance to SCSI-2 */
1939                 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 */
1940                 inq_data.inqd_len = 31;
1941                 /*Format for "pad2" is  RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
1942                 inq_data.inqd_pad2= 0x32 ;       /*WBus16|Sync|CmdQue */
1943                 /*
1944                  *      Set the Vendor, Product, and Revision Level
1945                  *      see: <vendor>.c i.e. aac.c
1946                  */
1947                 if (cid == host->this_id) {
1948                         setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
1949                         inq_data.inqd_pdt = INQD_PDT_PROC;      /* Processor device */
1950                         aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
1951                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1952                         scsicmd->scsi_done(scsicmd);
1953                         return 0;
1954                 }
1955                 if (dev->in_reset)
1956                         return -1;
1957                 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
1958                 inq_data.inqd_pdt = INQD_PDT_DA;        /* Direct/random access device */
1959                 aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
1960                 return aac_get_container_name(scsicmd);
1961         }
1962         case SERVICE_ACTION_IN:
1963                 if (!(dev->raw_io_interface) ||
1964                     !(dev->raw_io_64) ||
1965                     ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
1966                         break;
1967         {
1968                 u64 capacity;
1969                 char cp[13];
1970
1971                 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
1972                 capacity = fsa_dev_ptr[cid].size - 1;
1973                 cp[0] = (capacity >> 56) & 0xff;
1974                 cp[1] = (capacity >> 48) & 0xff;
1975                 cp[2] = (capacity >> 40) & 0xff;
1976                 cp[3] = (capacity >> 32) & 0xff;
1977                 cp[4] = (capacity >> 24) & 0xff;
1978                 cp[5] = (capacity >> 16) & 0xff;
1979                 cp[6] = (capacity >> 8) & 0xff;
1980                 cp[7] = (capacity >> 0) & 0xff;
1981                 cp[8] = 0;
1982                 cp[9] = 0;
1983                 cp[10] = 2;
1984                 cp[11] = 0;
1985                 cp[12] = 0;
1986                 aac_internal_transfer(scsicmd, cp, 0,
1987                   min_t(size_t, scsicmd->cmnd[13], sizeof(cp)));
1988                 if (sizeof(cp) < scsicmd->cmnd[13]) {
1989                         unsigned int len, offset = sizeof(cp);
1990
1991                         memset(cp, 0, offset);
1992                         do {
1993                                 len = min_t(size_t, scsicmd->cmnd[13] - offset,
1994                                                 sizeof(cp));
1995                                 aac_internal_transfer(scsicmd, cp, offset, len);
1996                         } while ((offset += len) < scsicmd->cmnd[13]);
1997                 }
1998
1999                 /* Do not cache partition table for arrays */
2000                 scsicmd->device->removable = 1;
2001
2002                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2003                 scsicmd->scsi_done(scsicmd);
2004
2005                 return 0;
2006         }
2007
2008         case READ_CAPACITY:
2009         {
2010                 u32 capacity;
2011                 char cp[8];
2012
2013                 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
2014                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
2015                         capacity = fsa_dev_ptr[cid].size - 1;
2016                 else
2017                         capacity = (u32)-1;
2018
2019                 cp[0] = (capacity >> 24) & 0xff;
2020                 cp[1] = (capacity >> 16) & 0xff;
2021                 cp[2] = (capacity >> 8) & 0xff;
2022                 cp[3] = (capacity >> 0) & 0xff;
2023                 cp[4] = 0;
2024                 cp[5] = 0;
2025                 cp[6] = 2;
2026                 cp[7] = 0;
2027                 aac_internal_transfer(scsicmd, cp, 0, sizeof(cp));
2028                 /* Do not cache partition table for arrays */
2029                 scsicmd->device->removable = 1;
2030
2031                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2032                 scsicmd->scsi_done(scsicmd);
2033
2034                 return 0;
2035         }
2036
2037         case MODE_SENSE:
2038         {
2039                 char mode_buf[7];
2040                 int mode_buf_length = 4;
2041
2042                 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
2043                 mode_buf[0] = 3;        /* Mode data length */
2044                 mode_buf[1] = 0;        /* Medium type - default */
2045                 mode_buf[2] = 0;        /* Device-specific param,
2046                                            bit 8: 0/1 = write enabled/protected
2047                                            bit 4: 0/1 = FUA enabled */
2048                 if (dev->raw_io_interface)
2049                         mode_buf[2] = 0x10;
2050                 mode_buf[3] = 0;        /* Block descriptor length */
2051                 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
2052                   ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
2053                         mode_buf[0] = 6;
2054                         mode_buf[4] = 8;
2055                         mode_buf[5] = 1;
2056                         mode_buf[6] = 0x04; /* WCE */
2057                         mode_buf_length = 7;
2058                         if (mode_buf_length > scsicmd->cmnd[4])
2059                                 mode_buf_length = scsicmd->cmnd[4];
2060                 }
2061                 aac_internal_transfer(scsicmd, mode_buf, 0, mode_buf_length);
2062                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2063                 scsicmd->scsi_done(scsicmd);
2064
2065                 return 0;
2066         }
2067         case MODE_SENSE_10:
2068         {
2069                 char mode_buf[11];
2070                 int mode_buf_length = 8;
2071
2072                 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
2073                 mode_buf[0] = 0;        /* Mode data length (MSB) */
2074                 mode_buf[1] = 6;        /* Mode data length (LSB) */
2075                 mode_buf[2] = 0;        /* Medium type - default */
2076                 mode_buf[3] = 0;        /* Device-specific param,
2077                                            bit 8: 0/1 = write enabled/protected
2078                                            bit 4: 0/1 = FUA enabled */
2079                 if (dev->raw_io_interface)
2080                         mode_buf[3] = 0x10;
2081                 mode_buf[4] = 0;        /* reserved */
2082                 mode_buf[5] = 0;        /* reserved */
2083                 mode_buf[6] = 0;        /* Block descriptor length (MSB) */
2084                 mode_buf[7] = 0;        /* Block descriptor length (LSB) */
2085                 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
2086                   ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
2087                         mode_buf[1] = 9;
2088                         mode_buf[8] = 8;
2089                         mode_buf[9] = 1;
2090                         mode_buf[10] = 0x04; /* WCE */
2091                         mode_buf_length = 11;
2092                         if (mode_buf_length > scsicmd->cmnd[8])
2093                                 mode_buf_length = scsicmd->cmnd[8];
2094                 }
2095                 aac_internal_transfer(scsicmd, mode_buf, 0, mode_buf_length);
2096
2097                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2098                 scsicmd->scsi_done(scsicmd);
2099
2100                 return 0;
2101         }
2102         case REQUEST_SENSE:
2103                 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
2104                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
2105                 memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
2106                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2107                 scsicmd->scsi_done(scsicmd);
2108                 return 0;
2109
2110         case ALLOW_MEDIUM_REMOVAL:
2111                 dprintk((KERN_DEBUG "LOCK command.\n"));
2112                 if (scsicmd->cmnd[4])
2113                         fsa_dev_ptr[cid].locked = 1;
2114                 else
2115                         fsa_dev_ptr[cid].locked = 0;
2116
2117                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2118                 scsicmd->scsi_done(scsicmd);
2119                 return 0;
2120         /*
2121          *      These commands are all No-Ops
2122          */
2123         case TEST_UNIT_READY:
2124         case RESERVE:
2125         case RELEASE:
2126         case REZERO_UNIT:
2127         case REASSIGN_BLOCKS:
2128         case SEEK_10:
2129         case START_STOP:
2130                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2131                 scsicmd->scsi_done(scsicmd);
2132                 return 0;
2133         }
2134
2135         switch (scsicmd->cmnd[0])
2136         {
2137                 case READ_6:
2138                 case READ_10:
2139                 case READ_12:
2140                 case READ_16:
2141                         if (dev->in_reset)
2142                                 return -1;
2143                         /*
2144                          *      Hack to keep track of ordinal number of the device that
2145                          *      corresponds to a container. Needed to convert
2146                          *      containers to /dev/sd device names
2147                          */
2148
2149                         if (scsicmd->request->rq_disk)
2150                                 strlcpy(fsa_dev_ptr[cid].devname,
2151                                 scsicmd->request->rq_disk->disk_name,
2152                                 min(sizeof(fsa_dev_ptr[cid].devname),
2153                                 sizeof(scsicmd->request->rq_disk->disk_name) + 1));
2154
2155                         return aac_read(scsicmd);
2156
2157                 case WRITE_6:
2158                 case WRITE_10:
2159                 case WRITE_12:
2160                 case WRITE_16:
2161                         if (dev->in_reset)
2162                                 return -1;
2163                         return aac_write(scsicmd);
2164
2165                 case SYNCHRONIZE_CACHE:
2166                         /* Issue FIB to tell Firmware to flush it's cache */
2167                         return aac_synchronize(scsicmd);
2168
2169                 default:
2170                         /*
2171                          *      Unhandled commands
2172                          */
2173                         dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]));
2174                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2175                         set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
2176                                 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2177                                 ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
2178                         memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2179                           (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
2180                             ? sizeof(scsicmd->sense_buffer)
2181                             : sizeof(dev->fsa_dev[cid].sense_data));
2182                         scsicmd->scsi_done(scsicmd);
2183                         return 0;
2184         }
2185 }
2186
2187 static int query_disk(struct aac_dev *dev, void __user *arg)
2188 {
2189         struct aac_query_disk qd;
2190         struct fsa_dev_info *fsa_dev_ptr;
2191
2192         fsa_dev_ptr = dev->fsa_dev;
2193         if (!fsa_dev_ptr)
2194                 return -EBUSY;
2195         if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
2196                 return -EFAULT;
2197         if (qd.cnum == -1)
2198                 qd.cnum = qd.id;
2199         else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
2200         {
2201                 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
2202                         return -EINVAL;
2203                 qd.instance = dev->scsi_host_ptr->host_no;
2204                 qd.bus = 0;
2205                 qd.id = CONTAINER_TO_ID(qd.cnum);
2206                 qd.lun = CONTAINER_TO_LUN(qd.cnum);
2207         }
2208         else return -EINVAL;
2209
2210         qd.valid = fsa_dev_ptr[qd.cnum].valid != 0;
2211         qd.locked = fsa_dev_ptr[qd.cnum].locked;
2212         qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
2213
2214         if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
2215                 qd.unmapped = 1;
2216         else
2217                 qd.unmapped = 0;
2218
2219         strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
2220           min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
2221
2222         if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
2223                 return -EFAULT;
2224         return 0;
2225 }
2226
2227 static int force_delete_disk(struct aac_dev *dev, void __user *arg)
2228 {
2229         struct aac_delete_disk dd;
2230         struct fsa_dev_info *fsa_dev_ptr;
2231
2232         fsa_dev_ptr = dev->fsa_dev;
2233         if (!fsa_dev_ptr)
2234                 return -EBUSY;
2235
2236         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2237                 return -EFAULT;
2238
2239         if (dd.cnum >= dev->maximum_num_containers)
2240                 return -EINVAL;
2241         /*
2242          *      Mark this container as being deleted.
2243          */
2244         fsa_dev_ptr[dd.cnum].deleted = 1;
2245         /*
2246          *      Mark the container as no longer valid
2247          */
2248         fsa_dev_ptr[dd.cnum].valid = 0;
2249         return 0;
2250 }
2251
2252 static int delete_disk(struct aac_dev *dev, void __user *arg)
2253 {
2254         struct aac_delete_disk dd;
2255         struct fsa_dev_info *fsa_dev_ptr;
2256
2257         fsa_dev_ptr = dev->fsa_dev;
2258         if (!fsa_dev_ptr)
2259                 return -EBUSY;
2260
2261         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2262                 return -EFAULT;
2263
2264         if (dd.cnum >= dev->maximum_num_containers)
2265                 return -EINVAL;
2266         /*
2267          *      If the container is locked, it can not be deleted by the API.
2268          */
2269         if (fsa_dev_ptr[dd.cnum].locked)
2270                 return -EBUSY;
2271         else {
2272                 /*
2273                  *      Mark the container as no longer being valid.
2274                  */
2275                 fsa_dev_ptr[dd.cnum].valid = 0;
2276                 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
2277                 return 0;
2278         }
2279 }
2280
2281 int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
2282 {
2283         switch (cmd) {
2284         case FSACTL_QUERY_DISK:
2285                 return query_disk(dev, arg);
2286         case FSACTL_DELETE_DISK:
2287                 return delete_disk(dev, arg);
2288         case FSACTL_FORCE_DELETE_DISK:
2289                 return force_delete_disk(dev, arg);
2290         case FSACTL_GET_CONTAINERS:
2291                 return aac_get_containers(dev);
2292         default:
2293                 return -ENOTTY;
2294         }
2295 }
2296
2297 /**
2298  *
2299  * aac_srb_callback
2300  * @context: the context set in the fib - here it is scsi cmd
2301  * @fibptr: pointer to the fib
2302  *
2303  * Handles the completion of a scsi command to a non dasd device
2304  *
2305  */
2306
2307 static void aac_srb_callback(void *context, struct fib * fibptr)
2308 {
2309         struct aac_dev *dev;
2310         struct aac_srb_reply *srbreply;
2311         struct scsi_cmnd *scsicmd;
2312
2313         scsicmd = (struct scsi_cmnd *) context;
2314
2315         if (!aac_valid_context(scsicmd, fibptr))
2316                 return;
2317
2318         BUG_ON(fibptr == NULL);
2319
2320         dev = fibptr->dev;
2321
2322         srbreply = (struct aac_srb_reply *) fib_data(fibptr);
2323
2324         scsicmd->sense_buffer[0] = '\0';  /* Initialize sense valid flag to false */
2325         /*
2326          *      Calculate resid for sg
2327          */
2328
2329         scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
2330                        - le32_to_cpu(srbreply->data_xfer_length));
2331
2332         scsi_dma_unmap(scsicmd);
2333
2334         /*
2335          * First check the fib status
2336          */
2337
2338         if (le32_to_cpu(srbreply->status) != ST_OK){
2339                 int len;
2340                 printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
2341                 len = (le32_to_cpu(srbreply->sense_data_size) >
2342                                 sizeof(scsicmd->sense_buffer)) ?
2343                                 sizeof(scsicmd->sense_buffer) :
2344                                 le32_to_cpu(srbreply->sense_data_size);
2345                 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2346                 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2347         }
2348
2349         /*
2350          * Next check the srb status
2351          */
2352         switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
2353         case SRB_STATUS_ERROR_RECOVERY:
2354         case SRB_STATUS_PENDING:
2355         case SRB_STATUS_SUCCESS:
2356                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2357                 break;
2358         case SRB_STATUS_DATA_OVERRUN:
2359                 switch(scsicmd->cmnd[0]){
2360                 case  READ_6:
2361                 case  WRITE_6:
2362                 case  READ_10:
2363                 case  WRITE_10:
2364                 case  READ_12:
2365                 case  WRITE_12:
2366                 case  READ_16:
2367                 case  WRITE_16:
2368                         if(le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow ) {
2369                                 printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
2370                         } else {
2371                                 printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
2372                         }
2373                         scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2374                         break;
2375                 case INQUIRY: {
2376                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2377                         break;
2378                 }
2379                 default:
2380                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2381                         break;
2382                 }
2383                 break;
2384         case SRB_STATUS_ABORTED:
2385                 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
2386                 break;
2387         case SRB_STATUS_ABORT_FAILED:
2388                 // Not sure about this one - but assuming the hba was trying to abort for some reason
2389                 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
2390                 break;
2391         case SRB_STATUS_PARITY_ERROR:
2392                 scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
2393                 break;
2394         case SRB_STATUS_NO_DEVICE:
2395         case SRB_STATUS_INVALID_PATH_ID:
2396         case SRB_STATUS_INVALID_TARGET_ID:
2397         case SRB_STATUS_INVALID_LUN:
2398         case SRB_STATUS_SELECTION_TIMEOUT:
2399                 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
2400                 break;
2401
2402         case SRB_STATUS_COMMAND_TIMEOUT:
2403         case SRB_STATUS_TIMEOUT:
2404                 scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
2405                 break;
2406
2407         case SRB_STATUS_BUSY:
2408                 scsicmd->result = DID_BUS_BUSY << 16 | COMMAND_COMPLETE << 8;
2409                 break;
2410
2411         case SRB_STATUS_BUS_RESET:
2412                 scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
2413                 break;
2414
2415         case SRB_STATUS_MESSAGE_REJECTED:
2416                 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
2417                 break;
2418         case SRB_STATUS_REQUEST_FLUSHED:
2419         case SRB_STATUS_ERROR:
2420         case SRB_STATUS_INVALID_REQUEST:
2421         case SRB_STATUS_REQUEST_SENSE_FAILED:
2422         case SRB_STATUS_NO_HBA:
2423         case SRB_STATUS_UNEXPECTED_BUS_FREE:
2424         case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
2425         case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
2426         case SRB_STATUS_DELAYED_RETRY:
2427         case SRB_STATUS_BAD_FUNCTION:
2428         case SRB_STATUS_NOT_STARTED:
2429         case SRB_STATUS_NOT_IN_USE:
2430         case SRB_STATUS_FORCE_ABORT:
2431         case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
2432         default:
2433 #ifdef AAC_DETAILED_STATUS_INFO
2434                 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
2435                         le32_to_cpu(srbreply->srb_status) & 0x3F,
2436                         aac_get_status_string(
2437                                 le32_to_cpu(srbreply->srb_status) & 0x3F),
2438                         scsicmd->cmnd[0],
2439                         le32_to_cpu(srbreply->scsi_status));
2440 #endif
2441                 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2442                 break;
2443         }
2444         if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){  // Check Condition
2445                 int len;
2446                 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
2447                 len = (le32_to_cpu(srbreply->sense_data_size) >
2448                                 sizeof(scsicmd->sense_buffer)) ?
2449                                 sizeof(scsicmd->sense_buffer) :
2450                                 le32_to_cpu(srbreply->sense_data_size);
2451 #ifdef AAC_DETAILED_STATUS_INFO
2452                 printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
2453                                         le32_to_cpu(srbreply->status), len);
2454 #endif
2455                 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2456
2457         }
2458         /*
2459          * OR in the scsi status (already shifted up a bit)
2460          */
2461         scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
2462
2463         aac_fib_complete(fibptr);
2464         aac_fib_free(fibptr);
2465         scsicmd->scsi_done(scsicmd);
2466 }
2467
2468 /**
2469  *
2470  * aac_send_scb_fib
2471  * @scsicmd: the scsi command block
2472  *
2473  * This routine will form a FIB and fill in the aac_srb from the
2474  * scsicmd passed in.
2475  */
2476
2477 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
2478 {
2479         struct fib* cmd_fibcontext;
2480         struct aac_dev* dev;
2481         int status;
2482
2483         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2484         if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
2485                         scsicmd->device->lun > 7) {
2486                 scsicmd->result = DID_NO_CONNECT << 16;
2487                 scsicmd->scsi_done(scsicmd);
2488                 return 0;
2489         }
2490
2491         /*
2492          *      Allocate and initialize a Fib then setup a BlockWrite command
2493          */
2494         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
2495                 return -1;
2496         }
2497         status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
2498
2499         /*
2500          *      Check that the command queued to the controller
2501          */
2502         if (status == -EINPROGRESS) {
2503                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2504                 return 0;
2505         }
2506
2507         printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
2508         aac_fib_complete(cmd_fibcontext);
2509         aac_fib_free(cmd_fibcontext);
2510
2511         return -1;
2512 }
2513
2514 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
2515 {
2516         struct aac_dev *dev;
2517         unsigned long byte_count = 0;
2518         int nseg;
2519
2520         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2521         // Get rid of old data
2522         psg->count = 0;
2523         psg->sg[0].addr = 0;
2524         psg->sg[0].count = 0;
2525
2526         nseg = scsi_dma_map(scsicmd);
2527         BUG_ON(nseg < 0);
2528         if (nseg) {
2529                 struct scatterlist *sg;
2530                 int i;
2531
2532                 psg->count = cpu_to_le32(nseg);
2533
2534                 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2535                         psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
2536                         psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
2537                         byte_count += sg_dma_len(sg);
2538                 }
2539                 /* hba wants the size to be exact */
2540                 if (byte_count > scsi_bufflen(scsicmd)) {
2541                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2542                                 (byte_count - scsi_bufflen(scsicmd));
2543                         psg->sg[i-1].count = cpu_to_le32(temp);
2544                         byte_count = scsi_bufflen(scsicmd);
2545                 }
2546                 /* Check for command underflow */
2547                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2548                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2549                                         byte_count, scsicmd->underflow);
2550                 }
2551         }
2552         return byte_count;
2553 }
2554
2555
2556 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg)
2557 {
2558         struct aac_dev *dev;
2559         unsigned long byte_count = 0;
2560         u64 addr;
2561         int nseg;
2562
2563         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2564         // Get rid of old data
2565         psg->count = 0;
2566         psg->sg[0].addr[0] = 0;
2567         psg->sg[0].addr[1] = 0;
2568         psg->sg[0].count = 0;
2569
2570         nseg = scsi_dma_map(scsicmd);
2571         BUG_ON(nseg < 0);
2572         if (nseg) {
2573                 struct scatterlist *sg;
2574                 int i;
2575
2576                 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2577                         int count = sg_dma_len(sg);
2578                         addr = sg_dma_address(sg);
2579                         psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
2580                         psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
2581                         psg->sg[i].count = cpu_to_le32(count);
2582                         byte_count += count;
2583                 }
2584                 psg->count = cpu_to_le32(nseg);
2585                 /* hba wants the size to be exact */
2586                 if (byte_count > scsi_bufflen(scsicmd)) {
2587                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2588                                 (byte_count - scsi_bufflen(scsicmd));
2589                         psg->sg[i-1].count = cpu_to_le32(temp);
2590                         byte_count = scsi_bufflen(scsicmd);
2591                 }
2592                 /* Check for command underflow */
2593                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2594                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2595                                         byte_count, scsicmd->underflow);
2596                 }
2597         }
2598         return byte_count;
2599 }
2600
2601 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg)
2602 {
2603         unsigned long byte_count = 0;
2604         int nseg;
2605
2606         // Get rid of old data
2607         psg->count = 0;
2608         psg->sg[0].next = 0;
2609         psg->sg[0].prev = 0;
2610         psg->sg[0].addr[0] = 0;
2611         psg->sg[0].addr[1] = 0;
2612         psg->sg[0].count = 0;
2613         psg->sg[0].flags = 0;
2614
2615         nseg = scsi_dma_map(scsicmd);
2616         BUG_ON(nseg < 0);
2617         if (nseg) {
2618                 struct scatterlist *sg;
2619                 int i;
2620
2621                 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2622                         int count = sg_dma_len(sg);
2623                         u64 addr = sg_dma_address(sg);
2624                         psg->sg[i].next = 0;
2625                         psg->sg[i].prev = 0;
2626                         psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
2627                         psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2628                         psg->sg[i].count = cpu_to_le32(count);
2629                         psg->sg[i].flags = 0;
2630                         byte_count += count;
2631                 }
2632                 psg->count = cpu_to_le32(nseg);
2633                 /* hba wants the size to be exact */
2634                 if (byte_count > scsi_bufflen(scsicmd)) {
2635                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2636                                 (byte_count - scsi_bufflen(scsicmd));
2637                         psg->sg[i-1].count = cpu_to_le32(temp);
2638                         byte_count = scsi_bufflen(scsicmd);
2639                 }
2640                 /* Check for command underflow */
2641                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2642                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2643                                         byte_count, scsicmd->underflow);
2644                 }
2645         }
2646         return byte_count;
2647 }
2648
2649 #ifdef AAC_DETAILED_STATUS_INFO
2650
2651 struct aac_srb_status_info {
2652         u32     status;
2653         char    *str;
2654 };
2655
2656
2657 static struct aac_srb_status_info srb_status_info[] = {
2658         { SRB_STATUS_PENDING,           "Pending Status"},
2659         { SRB_STATUS_SUCCESS,           "Success"},
2660         { SRB_STATUS_ABORTED,           "Aborted Command"},
2661         { SRB_STATUS_ABORT_FAILED,      "Abort Failed"},
2662         { SRB_STATUS_ERROR,             "Error Event"},
2663         { SRB_STATUS_BUSY,              "Device Busy"},
2664         { SRB_STATUS_INVALID_REQUEST,   "Invalid Request"},
2665         { SRB_STATUS_INVALID_PATH_ID,   "Invalid Path ID"},
2666         { SRB_STATUS_NO_DEVICE,         "No Device"},
2667         { SRB_STATUS_TIMEOUT,           "Timeout"},
2668         { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
2669         { SRB_STATUS_COMMAND_TIMEOUT,   "Command Timeout"},
2670         { SRB_STATUS_MESSAGE_REJECTED,  "Message Rejected"},
2671         { SRB_STATUS_BUS_RESET,         "Bus Reset"},
2672         { SRB_STATUS_PARITY_ERROR,      "Parity Error"},
2673         { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
2674         { SRB_STATUS_NO_HBA,            "No HBA"},
2675         { SRB_STATUS_DATA_OVERRUN,      "Data Overrun/Data Underrun"},
2676         { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
2677         { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
2678         { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
2679         { SRB_STATUS_REQUEST_FLUSHED,   "Request Flushed"},
2680         { SRB_STATUS_DELAYED_RETRY,     "Delayed Retry"},
2681         { SRB_STATUS_INVALID_LUN,       "Invalid LUN"},
2682         { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
2683         { SRB_STATUS_BAD_FUNCTION,      "Bad Function"},
2684         { SRB_STATUS_ERROR_RECOVERY,    "Error Recovery"},
2685         { SRB_STATUS_NOT_STARTED,       "Not Started"},
2686         { SRB_STATUS_NOT_IN_USE,        "Not In Use"},
2687         { SRB_STATUS_FORCE_ABORT,       "Force Abort"},
2688         { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
2689         { 0xff,                         "Unknown Error"}
2690 };
2691
2692 char *aac_get_status_string(u32 status)
2693 {
2694         int i;
2695
2696         for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
2697                 if (srb_status_info[i].status == status)
2698                         return srb_status_info[i].str;
2699
2700         return "Bad Status Code";
2701 }
2702
2703 #endif