drivers/scsi/aacraid/aachba.c

   1 /*
   2  *      Adaptec AAC series RAID controller driver
   3  *      (c) Copyright 2001 Red Hat Inc.
   4  *
   5  * based on the old aacraid driver that is..
   6  * Adaptec aacraid device driver for Linux.
   7  *
   8  * Copyright (c) 2000-2010 Adaptec, Inc.
   9  *               2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2, or (at your option)
  14  * any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; see the file COPYING.  If not, write to
  23  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  24  *
  25  */
  26
  27 #include <linux/kernel.h>
  28 #include <linux/init.h>
  29 #include <linux/types.h>
  30 #include <linux/pci.h>
  31 #include <linux/spinlock.h>
  32 #include <linux/slab.h>
  33 #include <linux/completion.h>
  34 #include <linux/blkdev.h>
  35 #include <asm/uaccess.h>
  36 #include <linux/highmem.h> /* For flush_kernel_dcache_page */
  37 #include <linux/module.h>
  38
  39 #include <scsi/scsi.h>
  40 #include <scsi/scsi_cmnd.h>
  41 #include <scsi/scsi_device.h>
  42 #include <scsi/scsi_host.h>
  43
  44 #include "aacraid.h"
  45
  46 /* values for inqd_pdt: Peripheral device type in plain English */
  47 #define INQD_PDT_DA     0x00    /* Direct-access (DISK) device */
  48 #define INQD_PDT_PROC   0x03    /* Processor device */
  49 #define INQD_PDT_CHNGR  0x08    /* Changer (jukebox, scsi2) */
  50 #define INQD_PDT_COMM   0x09    /* Communication device (scsi2) */
  51 #define INQD_PDT_NOLUN2 0x1f    /* Unknown Device (scsi2) */
  52 #define INQD_PDT_NOLUN  0x7f    /* Logical Unit Not Present */
  53
  54 #define INQD_PDT_DMASK  0x1F    /* Peripheral Device Type Mask */
  55 #define INQD_PDT_QMASK  0xE0    /* Peripheral Device Qualifer Mask */
  56
  57 /*
  58  *      Sense codes
  59  */
  60
  61 #define SENCODE_NO_SENSE                        0x00
  62 #define SENCODE_END_OF_DATA                     0x00
  63 #define SENCODE_BECOMING_READY                  0x04
  64 #define SENCODE_INIT_CMD_REQUIRED               0x04
  65 #define SENCODE_PARAM_LIST_LENGTH_ERROR         0x1A
  66 #define SENCODE_INVALID_COMMAND                 0x20
  67 #define SENCODE_LBA_OUT_OF_RANGE                0x21
  68 #define SENCODE_INVALID_CDB_FIELD               0x24
  69 #define SENCODE_LUN_NOT_SUPPORTED               0x25
  70 #define SENCODE_INVALID_PARAM_FIELD             0x26
  71 #define SENCODE_PARAM_NOT_SUPPORTED             0x26
  72 #define SENCODE_PARAM_VALUE_INVALID             0x26
  73 #define SENCODE_RESET_OCCURRED                  0x29
  74 #define SENCODE_LUN_NOT_SELF_CONFIGURED_YET     0x3E
  75 #define SENCODE_INQUIRY_DATA_CHANGED            0x3F
  76 #define SENCODE_SAVING_PARAMS_NOT_SUPPORTED     0x39
  77 #define SENCODE_DIAGNOSTIC_FAILURE              0x40
  78 #define SENCODE_INTERNAL_TARGET_FAILURE         0x44
  79 #define SENCODE_INVALID_MESSAGE_ERROR           0x49
  80 #define SENCODE_LUN_FAILED_SELF_CONFIG          0x4c
  81 #define SENCODE_OVERLAPPED_COMMAND              0x4E
  82
  83 /*
  84  *      Additional sense codes
  85  */
  86
  87 #define ASENCODE_NO_SENSE                       0x00
  88 #define ASENCODE_END_OF_DATA                    0x05
  89 #define ASENCODE_BECOMING_READY                 0x01
  90 #define ASENCODE_INIT_CMD_REQUIRED              0x02
  91 #define ASENCODE_PARAM_LIST_LENGTH_ERROR        0x00
  92 #define ASENCODE_INVALID_COMMAND                0x00
  93 #define ASENCODE_LBA_OUT_OF_RANGE               0x00
  94 #define ASENCODE_INVALID_CDB_FIELD              0x00
  95 #define ASENCODE_LUN_NOT_SUPPORTED              0x00
  96 #define ASENCODE_INVALID_PARAM_FIELD            0x00
  97 #define ASENCODE_PARAM_NOT_SUPPORTED            0x01
  98 #define ASENCODE_PARAM_VALUE_INVALID            0x02
  99 #define ASENCODE_RESET_OCCURRED                 0x00
 100 #define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET    0x00
 101 #define ASENCODE_INQUIRY_DATA_CHANGED           0x03
 102 #define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED    0x00
 103 #define ASENCODE_DIAGNOSTIC_FAILURE             0x80
 104 #define ASENCODE_INTERNAL_TARGET_FAILURE        0x00
 105 #define ASENCODE_INVALID_MESSAGE_ERROR          0x00
 106 #define ASENCODE_LUN_FAILED_SELF_CONFIG         0x00
 107 #define ASENCODE_OVERLAPPED_COMMAND             0x00
 108
 109 #define BYTE0(x) (unsigned char)(x)
 110 #define BYTE1(x) (unsigned char)((x) >> 8)
 111 #define BYTE2(x) (unsigned char)((x) >> 16)
 112 #define BYTE3(x) (unsigned char)((x) >> 24)
 113
 114 /*------------------------------------------------------------------------------
 115  *              S T R U C T S / T Y P E D E F S
 116  *----------------------------------------------------------------------------*/
 117 /* SCSI inquiry data */
 118 struct inquiry_data {
 119         u8 inqd_pdt;    /* Peripheral qualifier | Peripheral Device Type */
 120         u8 inqd_dtq;    /* RMB | Device Type Qualifier */
 121         u8 inqd_ver;    /* ISO version | ECMA version | ANSI-approved version */
 122         u8 inqd_rdf;    /* AENC | TrmIOP | Response data format */
 123         u8 inqd_len;    /* Additional length (n-4) */
 124         u8 inqd_pad1[2];/* Reserved - must be zero */
 125         u8 inqd_pad2;   /* RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
 126         u8 inqd_vid[8]; /* Vendor ID */
 127         u8 inqd_pid[16];/* Product ID */
 128         u8 inqd_prl[4]; /* Product Revision Level */
 129 };
 130
 131 /*
 132  *              M O D U L E   G L O B A L S
 133  */
 134
 135 static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *sgmap);
 136 static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg);
 137 static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg);
 138 static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
 139                                 struct aac_raw_io2 *rio2, int sg_max);
 140 static int aac_convert_sgraw2(struct aac_raw_io2 *rio2,
 141                                 int pages, int nseg, int nseg_new);
 142 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
 143 #ifdef AAC_DETAILED_STATUS_INFO
 144 static char *aac_get_status_string(u32 status);
 145 #endif
 146
 147 /*
 148  *      Non dasd selection is handled entirely in aachba now
 149  */
 150
 151 static int nondasd = -1;
 152 static int aac_cache = 2;       /* WCE=0 to avoid performance problems */
 153 static int dacmode = -1;
 154 int aac_msi;
 155 int aac_commit = -1;
 156 int startup_timeout = 180;
 157 int aif_timeout = 120;
 158 int aac_sync_mode;  /* Only Sync. transfer - disabled */
 159 int aac_convert_sgl = 1;        /* convert non-conformable s/g list - enabled */
 160
 161 module_param(aac_sync_mode, int, S_IRUGO|S_IWUSR);
 162 MODULE_PARM_DESC(aac_sync_mode, "Force sync. transfer mode"
 163         " 0=off, 1=on");
 164 module_param(aac_convert_sgl, int, S_IRUGO|S_IWUSR);
 165 MODULE_PARM_DESC(aac_convert_sgl, "Convert non-conformable s/g list"
 166         " 0=off, 1=on");
 167 module_param(nondasd, int, S_IRUGO|S_IWUSR);
 168 MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices."
 169         " 0=off, 1=on");
 170 module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR);
 171 MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n"
 172         "\tbit 0 - Disable FUA in WRITE SCSI commands\n"
 173         "\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n"
 174         "\tbit 2 - Disable only if Battery is protecting Cache");
 175 module_param(dacmode, int, S_IRUGO|S_IWUSR);
 176 MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC."
 177         " 0=off, 1=on");
 178 module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
 179 MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the"
 180         " adapter for foreign arrays.\n"
 181         "This is typically needed in systems that do not have a BIOS."
 182         " 0=off, 1=on");
 183 module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR);
 184 MODULE_PARM_DESC(msi, "IRQ handling."
 185         " 0=PIC(default), 1=MSI, 2=MSI-X(unsupported, uses MSI)");
 186 module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
 187 MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for"
 188         " adapter to have it's kernel up and\n"
 189         "running. This is typically adjusted for large systems that do not"
 190         " have a BIOS.");
 191 module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
 192 MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for"
 193         " applications to pick up AIFs before\n"
 194         "deregistering them. This is typically adjusted for heavily burdened"
 195         " systems.");
 196
 197 int numacb = -1;
 198 module_param(numacb, int, S_IRUGO|S_IWUSR);
 199 MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control"
 200         " blocks (FIB) allocated. Valid values are 512 and down. Default is"
 201         " to use suggestion from Firmware.");
 202
 203 int acbsize = -1;
 204 module_param(acbsize, int, S_IRUGO|S_IWUSR);
 205 MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB)"
 206         " size. Valid values are 512, 2048, 4096 and 8192. Default is to use"
 207         " suggestion from Firmware.");
 208
 209 int update_interval = 30 * 60;
 210 module_param(update_interval, int, S_IRUGO|S_IWUSR);
 211 MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync"
 212         " updates issued to adapter.");
 213
 214 int check_interval = 24 * 60 * 60;
 215 module_param(check_interval, int, S_IRUGO|S_IWUSR);
 216 MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
 217         " checks.");
 218
 219 int aac_check_reset = 1;
 220 module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
 221 MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the"
 222         " adapter. a value of -1 forces the reset to adapters programmed to"
 223         " ignore it.");
 224
 225 int expose_physicals = -1;
 226 module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
 227 MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays."
 228         " -1=protect 0=off, 1=on");
 229
 230 int aac_reset_devices;
 231 module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
 232 MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
 233
 234 int aac_wwn = 1;
 235 module_param_named(wwn, aac_wwn, int, S_IRUGO|S_IWUSR);
 236 MODULE_PARM_DESC(wwn, "Select a WWN type for the arrays:\n"
 237         "\t0 - Disable\n"
 238         "\t1 - Array Meta Data Signature (default)\n"
 239         "\t2 - Adapter Serial Number");
 240
 241
 242 static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
 243                 struct fib *fibptr) {
 244         struct scsi_device *device;
 245
 246         if (unlikely(!scsicmd || !scsicmd->scsi_done)) {
 247                 dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"));
 248                 aac_fib_complete(fibptr);
 249                 aac_fib_free(fibptr);
 250                 return 0;
 251         }
 252         scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
 253         device = scsicmd->device;
 254         if (unlikely(!device || !scsi_device_online(device))) {
 255                 dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
 256                 aac_fib_complete(fibptr);
 257                 aac_fib_free(fibptr);
 258                 return 0;
 259         }
 260         return 1;
 261 }
 262
 263 /**
 264  *      aac_get_config_status   -       check the adapter configuration
 265  *      @common: adapter to query
 266  *
 267  *      Query config status, and commit the configuration if needed.
 268  */
 269 int aac_get_config_status(struct aac_dev *dev, int commit_flag)
 270 {
 271         int status = 0;
 272         struct fib * fibptr;
 273
 274         if (!(fibptr = aac_fib_alloc(dev)))
 275                 return -ENOMEM;
 276
 277         aac_fib_init(fibptr);
 278         {
 279                 struct aac_get_config_status *dinfo;
 280                 dinfo = (struct aac_get_config_status *) fib_data(fibptr);
 281
 282                 dinfo->command = cpu_to_le32(VM_ContainerConfig);
 283                 dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
 284                 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
 285         }
 286
 287         status = aac_fib_send(ContainerCommand,
 288                             fibptr,
 289                             sizeof (struct aac_get_config_status),
 290                             FsaNormal,
 291                             1, 1,
 292                             NULL, NULL);
 293         if (status < 0) {
 294                 printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
 295         } else {
 296                 struct aac_get_config_status_resp *reply
 297                   = (struct aac_get_config_status_resp *) fib_data(fibptr);
 298                 dprintk((KERN_WARNING
 299                   "aac_get_config_status: response=%d status=%d action=%d\n",
 300                   le32_to_cpu(reply->response),
 301                   le32_to_cpu(reply->status),
 302                   le32_to_cpu(reply->data.action)));
 303                 if ((le32_to_cpu(reply->response) != ST_OK) ||
 304                      (le32_to_cpu(reply->status) != CT_OK) ||
 305                      (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
 306                         printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
 307                         status = -EINVAL;
 308                 }
 309         }
 310         /* Do not set XferState to zero unless receives a response from F/W */
 311         if (status >= 0)
 312                 aac_fib_complete(fibptr);
 313
 314         /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
 315         if (status >= 0) {
 316                 if ((aac_commit == 1) || commit_flag) {
 317                         struct aac_commit_config * dinfo;
 318                         aac_fib_init(fibptr);
 319                         dinfo = (struct aac_commit_config *) fib_data(fibptr);
 320
 321                         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 322                         dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
 323
 324                         status = aac_fib_send(ContainerCommand,
 325                                     fibptr,
 326                                     sizeof (struct aac_commit_config),
 327                                     FsaNormal,
 328                                     1, 1,
 329                                     NULL, NULL);
 330                         /* Do not set XferState to zero unless
 331                          * receives a response from F/W */
 332                         if (status >= 0)
 333                                 aac_fib_complete(fibptr);
 334                 } else if (aac_commit == 0) {
 335                         printk(KERN_WARNING
 336                           "aac_get_config_status: Foreign device configurations are being ignored\n");
 337                 }
 338         }
 339         /* FIB should be freed only after getting the response from the F/W */
 340         if (status != -ERESTARTSYS)
 341                 aac_fib_free(fibptr);
 342         return status;
 343 }
 344
 345 static void aac_expose_phy_device(struct scsi_cmnd *scsicmd)
 346 {
 347         char inq_data;
 348         scsi_sg_copy_to_buffer(scsicmd,  &inq_data, sizeof(inq_data));
 349         if ((inq_data & 0x20) && (inq_data & 0x1f) == TYPE_DISK) {
 350                 inq_data &= 0xdf;
 351                 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
 352         }
 353 }
 354
 355 /**
 356  *      aac_get_containers      -       list containers
 357  *      @common: adapter to probe
 358  *
 359  *      Make a list of all containers on this controller
 360  */
 361 int aac_get_containers(struct aac_dev *dev)
 362 {
 363         struct fsa_dev_info *fsa_dev_ptr;
 364         u32 index;
 365         int status = 0;
 366         struct fib * fibptr;
 367         struct aac_get_container_count *dinfo;
 368         struct aac_get_container_count_resp *dresp;
 369         int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 370
 371         if (!(fibptr = aac_fib_alloc(dev)))
 372                 return -ENOMEM;
 373
 374         aac_fib_init(fibptr);
 375         dinfo = (struct aac_get_container_count *) fib_data(fibptr);
 376         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 377         dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
 378
 379         status = aac_fib_send(ContainerCommand,
 380                     fibptr,
 381                     sizeof (struct aac_get_container_count),
 382                     FsaNormal,
 383                     1, 1,
 384                     NULL, NULL);
 385         if (status >= 0) {
 386                 dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
 387                 maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
 388                 aac_fib_complete(fibptr);
 389         }
 390         /* FIB should be freed only after getting the response from the F/W */
 391         if (status != -ERESTARTSYS)
 392                 aac_fib_free(fibptr);
 393
 394         if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
 395                 maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 396         fsa_dev_ptr = kzalloc(sizeof(*fsa_dev_ptr) * maximum_num_containers,
 397                         GFP_KERNEL);
 398         if (!fsa_dev_ptr)
 399                 return -ENOMEM;
 400
 401         dev->fsa_dev = fsa_dev_ptr;
 402         dev->maximum_num_containers = maximum_num_containers;
 403
 404         for (index = 0; index < dev->maximum_num_containers; ) {
 405                 fsa_dev_ptr[index].devname[0] = '\0';
 406
 407                 status = aac_probe_container(dev, index);
 408
 409                 if (status < 0) {
 410                         printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
 411                         break;
 412                 }
 413
 414                 /*
 415                  *      If there are no more containers, then stop asking.
 416                  */
 417                 if (++index >= status)
 418                         break;
 419         }
 420         return status;
 421 }
 422
 423 static void get_container_name_callback(void *context, struct fib * fibptr)
 424 {
 425         struct aac_get_name_resp * get_name_reply;
 426         struct scsi_cmnd * scsicmd;
 427
 428         scsicmd = (struct scsi_cmnd *) context;
 429
 430         if (!aac_valid_context(scsicmd, fibptr))
 431                 return;
 432
 433         dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
 434         BUG_ON(fibptr == NULL);
 435
 436         get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
 437         /* Failure is irrelevant, using default value instead */
 438         if ((le32_to_cpu(get_name_reply->status) == CT_OK)
 439          && (get_name_reply->data[0] != '\0')) {
 440                 char *sp = get_name_reply->data;
 441                 sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0';
 442                 while (*sp == ' ')
 443                         ++sp;
 444                 if (*sp) {
 445                         struct inquiry_data inq;
 446                         char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
 447                         int count = sizeof(d);
 448                         char *dp = d;
 449                         do {
 450                                 *dp++ = (*sp) ? *sp++ : ' ';
 451                         } while (--count > 0);
 452
 453                         scsi_sg_copy_to_buffer(scsicmd, &inq, sizeof(inq));
 454                         memcpy(inq.inqd_pid, d, sizeof(d));
 455                         scsi_sg_copy_from_buffer(scsicmd, &inq, sizeof(inq));
 456                 }
 457         }
 458
 459         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 460
 461         aac_fib_complete(fibptr);
 462         aac_fib_free(fibptr);
 463         scsicmd->scsi_done(scsicmd);
 464 }
 465
 466 /**
 467  *      aac_get_container_name  -       get container name, none blocking.
 468  */
 469 static int aac_get_container_name(struct scsi_cmnd * scsicmd)
 470 {
 471         int status;
 472         struct aac_get_name *dinfo;
 473         struct fib * cmd_fibcontext;
 474         struct aac_dev * dev;
 475
 476         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 477
 478         if (!(cmd_fibcontext = aac_fib_alloc(dev)))
 479                 return -ENOMEM;
 480
 481         aac_fib_init(cmd_fibcontext);
 482         dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
 483
 484         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 485         dinfo->type = cpu_to_le32(CT_READ_NAME);
 486         dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
 487         dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));
 488
 489         status = aac_fib_send(ContainerCommand,
 490                   cmd_fibcontext,
 491                   sizeof (struct aac_get_name),
 492                   FsaNormal,
 493                   0, 1,
 494                   (fib_callback)get_container_name_callback,
 495                   (void *) scsicmd);
 496
 497         /*
 498          *      Check that the command queued to the controller
 499          */
 500         if (status == -EINPROGRESS) {
 501                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 502                 return 0;
 503         }
 504
 505         printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
 506         aac_fib_complete(cmd_fibcontext);
 507         aac_fib_free(cmd_fibcontext);
 508         return -1;
 509 }
 510
 511 static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
 512 {
 513         struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 514
 515         if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1))
 516                 return aac_scsi_cmd(scsicmd);
 517
 518         scsicmd->result = DID_NO_CONNECT << 16;
 519         scsicmd->scsi_done(scsicmd);
 520         return 0;
 521 }
 522
 523 static void _aac_probe_container2(void * context, struct fib * fibptr)
 524 {
 525         struct fsa_dev_info *fsa_dev_ptr;
 526         int (*callback)(struct scsi_cmnd *);
 527         struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context;
 528
 529
 530         if (!aac_valid_context(scsicmd, fibptr))
 531                 return;
 532
 533         scsicmd->SCp.Status = 0;
 534         fsa_dev_ptr = fibptr->dev->fsa_dev;
 535         if (fsa_dev_ptr) {
 536                 struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
 537                 fsa_dev_ptr += scmd_id(scsicmd);
 538
 539                 if ((le32_to_cpu(dresp->status) == ST_OK) &&
 540                     (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
 541                     (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
 542                         fsa_dev_ptr->valid = 1;
 543                         /* sense_key holds the current state of the spin-up */
 544                         if (dresp->mnt[0].state & cpu_to_le32(FSCS_NOT_READY))
 545                                 fsa_dev_ptr->sense_data.sense_key = NOT_READY;
 546                         else if (fsa_dev_ptr->sense_data.sense_key == NOT_READY)
 547                                 fsa_dev_ptr->sense_data.sense_key = NO_SENSE;
 548                         fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
 549                         fsa_dev_ptr->size
 550                           = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
 551                             (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
 552                         fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0);
 553                 }
 554                 if ((fsa_dev_ptr->valid & 1) == 0)
 555                         fsa_dev_ptr->valid = 0;
 556                 scsicmd->SCp.Status = le32_to_cpu(dresp->count);
 557         }
 558         aac_fib_complete(fibptr);
 559         aac_fib_free(fibptr);
 560         callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr);
 561         scsicmd->SCp.ptr = NULL;
 562         (*callback)(scsicmd);
 563         return;
 564 }
 565
 566 static void _aac_probe_container1(void * context, struct fib * fibptr)
 567 {
 568         struct scsi_cmnd * scsicmd;
 569         struct aac_mount * dresp;
 570         struct aac_query_mount *dinfo;
 571         int status;
 572
 573         dresp = (struct aac_mount *) fib_data(fibptr);
 574         dresp->mnt[0].capacityhigh = 0;
 575         if ((le32_to_cpu(dresp->status) != ST_OK) ||
 576             (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
 577                 _aac_probe_container2(context, fibptr);
 578                 return;
 579         }
 580         scsicmd = (struct scsi_cmnd *) context;
 581
 582         if (!aac_valid_context(scsicmd, fibptr))
 583                 return;
 584
 585         aac_fib_init(fibptr);
 586
 587         dinfo = (struct aac_query_mount *)fib_data(fibptr);
 588
 589         dinfo->command = cpu_to_le32(VM_NameServe64);
 590         dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 591         dinfo->type = cpu_to_le32(FT_FILESYS);
 592
 593         status = aac_fib_send(ContainerCommand,
 594                           fibptr,
 595                           sizeof(struct aac_query_mount),
 596                           FsaNormal,
 597                           0, 1,
 598                           _aac_probe_container2,
 599                           (void *) scsicmd);
 600         /*
 601          *      Check that the command queued to the controller
 602          */
 603         if (status == -EINPROGRESS)
 604                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 605         else if (status < 0) {
 606                 /* Inherit results from VM_NameServe, if any */
 607                 dresp->status = cpu_to_le32(ST_OK);
 608                 _aac_probe_container2(context, fibptr);
 609         }
 610 }
 611
 612 static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
 613 {
 614         struct fib * fibptr;
 615         int status = -ENOMEM;
 616
 617         if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
 618                 struct aac_query_mount *dinfo;
 619
 620                 aac_fib_init(fibptr);
 621
 622                 dinfo = (struct aac_query_mount *)fib_data(fibptr);
 623
 624                 dinfo->command = cpu_to_le32(VM_NameServe);
 625                 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 626                 dinfo->type = cpu_to_le32(FT_FILESYS);
 627                 scsicmd->SCp.ptr = (char *)callback;
 628
 629                 status = aac_fib_send(ContainerCommand,
 630                           fibptr,
 631                           sizeof(struct aac_query_mount),
 632                           FsaNormal,
 633                           0, 1,
 634                           _aac_probe_container1,
 635                           (void *) scsicmd);
 636                 /*
 637                  *      Check that the command queued to the controller
 638                  */
 639                 if (status == -EINPROGRESS) {
 640                         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 641                         return 0;
 642                 }
 643                 if (status < 0) {
 644                         scsicmd->SCp.ptr = NULL;
 645                         aac_fib_complete(fibptr);
 646                         aac_fib_free(fibptr);
 647                 }
 648         }
 649         if (status < 0) {
 650                 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 651                 if (fsa_dev_ptr) {
 652                         fsa_dev_ptr += scmd_id(scsicmd);
 653                         if ((fsa_dev_ptr->valid & 1) == 0) {
 654                                 fsa_dev_ptr->valid = 0;
 655                                 return (*callback)(scsicmd);
 656                         }
 657                 }
 658         }
 659         return status;
 660 }
 661
 662 /**
 663  *      aac_probe_container             -       query a logical volume
 664  *      @dev: device to query
 665  *      @cid: container identifier
 666  *
 667  *      Queries the controller about the given volume. The volume information
 668  *      is updated in the struct fsa_dev_info structure rather than returned.
 669  */
 670 static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
 671 {
 672         scsicmd->device = NULL;
 673         return 0;
 674 }
 675
 676 int aac_probe_container(struct aac_dev *dev, int cid)
 677 {
 678         struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL);
 679         struct scsi_device *scsidev = kmalloc(sizeof(*scsidev), GFP_KERNEL);
 680         int status;
 681
 682         if (!scsicmd || !scsidev) {
 683                 kfree(scsicmd);
 684                 kfree(scsidev);
 685                 return -ENOMEM;
 686         }
 687         scsicmd->list.next = NULL;
 688         scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))aac_probe_container_callback1;
 689
 690         scsicmd->device = scsidev;
 691         scsidev->sdev_state = 0;
 692         scsidev->id = cid;
 693         scsidev->host = dev->scsi_host_ptr;
 694
 695         if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
 696                 while (scsicmd->device == scsidev)
 697                         schedule();
 698         kfree(scsidev);
 699         status = scsicmd->SCp.Status;
 700         kfree(scsicmd);
 701         return status;
 702 }
 703
 704 /* Local Structure to set SCSI inquiry data strings */
 705 struct scsi_inq {
 706         char vid[8];         /* Vendor ID */
 707         char pid[16];        /* Product ID */
 708         char prl[4];         /* Product Revision Level */
 709 };
 710
 711 /**
 712  *      InqStrCopy      -       string merge
 713  *      @a:     string to copy from
 714  *      @b:     string to copy to
 715  *
 716  *      Copy a String from one location to another
 717  *      without copying \0
 718  */
 719
 720 static void inqstrcpy(char *a, char *b)
 721 {
 722
 723         while (*a != (char)0)
 724                 *b++ = *a++;
 725 }
 726
 727 static char *container_types[] = {
 728         "None",
 729         "Volume",
 730         "Mirror",
 731         "Stripe",
 732         "RAID5",
 733         "SSRW",
 734         "SSRO",
 735         "Morph",
 736         "Legacy",
 737         "RAID4",
 738         "RAID10",
 739         "RAID00",
 740         "V-MIRRORS",
 741         "PSEUDO R4",
 742         "RAID50",
 743         "RAID5D",
 744         "RAID5D0",
 745         "RAID1E",
 746         "RAID6",
 747         "RAID60",
 748         "Unknown"
 749 };
 750
 751 char * get_container_type(unsigned tindex)
 752 {
 753         if (tindex >= ARRAY_SIZE(container_types))
 754                 tindex = ARRAY_SIZE(container_types) - 1;
 755         return container_types[tindex];
 756 }
 757
 758 /* Function: setinqstr
 759  *
 760  * Arguments: [1] pointer to void [1] int
 761  *
 762  * Purpose: Sets SCSI inquiry data strings for vendor, product
 763  * and revision level. Allows strings to be set in platform dependent
 764  * files instead of in OS dependent driver source.
 765  */
 766
 767 static void setinqstr(struct aac_dev *dev, void *data, int tindex)
 768 {
 769         struct scsi_inq *str;
 770
 771         str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
 772         memset(str, ' ', sizeof(*str));
 773
 774         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 775                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 776                 int c;
 777                 if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C'))
 778                         inqstrcpy("SMC", str->vid);
 779                 else {
 780                         c = sizeof(str->vid);
 781                         while (*cp && *cp != ' ' && --c)
 782                                 ++cp;
 783                         c = *cp;
 784                         *cp = '\0';
 785                         inqstrcpy (dev->supplement_adapter_info.AdapterTypeText,
 786                                    str->vid);
 787                         *cp = c;
 788                         while (*cp && *cp != ' ')
 789                                 ++cp;
 790                 }
 791                 while (*cp == ' ')
 792                         ++cp;
 793                 /* last six chars reserved for vol type */
 794                 c = 0;
 795                 if (strlen(cp) > sizeof(str->pid)) {
 796                         c = cp[sizeof(str->pid)];
 797                         cp[sizeof(str->pid)] = '\0';
 798                 }
 799                 inqstrcpy (cp, str->pid);
 800                 if (c)
 801                         cp[sizeof(str->pid)] = c;
 802         } else {
 803                 struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
 804
 805                 inqstrcpy (mp->vname, str->vid);
 806                 /* last six chars reserved for vol type */
 807                 inqstrcpy (mp->model, str->pid);
 808         }
 809
 810         if (tindex < ARRAY_SIZE(container_types)){
 811                 char *findit = str->pid;
 812
 813                 for ( ; *findit != ' '; findit++); /* walk till we find a space */
 814                 /* RAID is superfluous in the context of a RAID device */
 815                 if (memcmp(findit-4, "RAID", 4) == 0)
 816                         *(findit -= 4) = ' ';
 817                 if (((findit - str->pid) + strlen(container_types[tindex]))
 818                  < (sizeof(str->pid) + sizeof(str->prl)))
 819                         inqstrcpy (container_types[tindex], findit + 1);
 820         }
 821         inqstrcpy ("V1.0", str->prl);
 822 }
 823
 824 static void get_container_serial_callback(void *context, struct fib * fibptr)
 825 {
 826         struct aac_get_serial_resp * get_serial_reply;
 827         struct scsi_cmnd * scsicmd;
 828
 829         BUG_ON(fibptr == NULL);
 830
 831         scsicmd = (struct scsi_cmnd *) context;
 832         if (!aac_valid_context(scsicmd, fibptr))
 833                 return;
 834
 835         get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr);
 836         /* Failure is irrelevant, using default value instead */
 837         if (le32_to_cpu(get_serial_reply->status) == CT_OK) {
 838                 char sp[13];
 839                 /* EVPD bit set */
 840                 sp[0] = INQD_PDT_DA;
 841                 sp[1] = scsicmd->cmnd[2];
 842                 sp[2] = 0;
 843                 sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
 844                   le32_to_cpu(get_serial_reply->uid));
 845                 scsi_sg_copy_from_buffer(scsicmd, sp, sizeof(sp));
 846         }
 847
 848         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 849
 850         aac_fib_complete(fibptr);
 851         aac_fib_free(fibptr);
 852         scsicmd->scsi_done(scsicmd);
 853 }
 854
 855 /**
 856  *      aac_get_container_serial - get container serial, none blocking.
 857  */
 858 static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
 859 {
 860         int status;
 861         struct aac_get_serial *dinfo;
 862         struct fib * cmd_fibcontext;
 863         struct aac_dev * dev;
 864
 865         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 866
 867         if (!(cmd_fibcontext = aac_fib_alloc(dev)))
 868                 return -ENOMEM;
 869
 870         aac_fib_init(cmd_fibcontext);
 871         dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext);
 872
 873         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 874         dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID);
 875         dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
 876
 877         status = aac_fib_send(ContainerCommand,
 878                   cmd_fibcontext,
 879                   sizeof (struct aac_get_serial),
 880                   FsaNormal,
 881                   0, 1,
 882                   (fib_callback) get_container_serial_callback,
 883                   (void *) scsicmd);
 884
 885         /*
 886          *      Check that the command queued to the controller
 887          */
 888         if (status == -EINPROGRESS) {
 889                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 890                 return 0;
 891         }
 892
 893         printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status);
 894         aac_fib_complete(cmd_fibcontext);
 895         aac_fib_free(cmd_fibcontext);
 896         return -1;
 897 }
 898
 899 /* Function: setinqserial
 900  *
 901  * Arguments: [1] pointer to void [1] int
 902  *
 903  * Purpose: Sets SCSI Unit Serial number.
 904  *          This is a fake. We should read a proper
 905  *          serial number from the container. <SuSE>But
 906  *          without docs it's quite hard to do it :-)
 907  *          So this will have to do in the meantime.</SuSE>
 908  */
 909
 910 static int setinqserial(struct aac_dev *dev, void *data, int cid)
 911 {
 912         /*
 913          *      This breaks array migration.
 914          */
 915         return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X",
 916                         le32_to_cpu(dev->adapter_info.serial[0]), cid);
 917 }
 918
 919 static inline void set_sense(struct sense_data *sense_data, u8 sense_key,
 920         u8 sense_code, u8 a_sense_code, u8 bit_pointer, u16 field_pointer)
 921 {
 922         u8 *sense_buf = (u8 *)sense_data;
 923         /* Sense data valid, err code 70h */
 924         sense_buf[0] = 0x70; /* No info field */
 925         sense_buf[1] = 0;       /* Segment number, always zero */
 926
 927         sense_buf[2] = sense_key;       /* Sense key */
 928
 929         sense_buf[12] = sense_code;     /* Additional sense code */
 930         sense_buf[13] = a_sense_code;   /* Additional sense code qualifier */
 931
 932         if (sense_key == ILLEGAL_REQUEST) {
 933                 sense_buf[7] = 10;      /* Additional sense length */
 934
 935                 sense_buf[15] = bit_pointer;
 936                 /* Illegal parameter is in the parameter block */
 937                 if (sense_code == SENCODE_INVALID_CDB_FIELD)
 938                         sense_buf[15] |= 0xc0;/* Std sense key specific field */
 939                 /* Illegal parameter is in the CDB block */
 940                 sense_buf[16] = field_pointer >> 8;     /* MSB */
 941                 sense_buf[17] = field_pointer;          /* LSB */
 942         } else
 943                 sense_buf[7] = 6;       /* Additional sense length */
 944 }
 945
 946 static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
 947 {
 948         if (lba & 0xffffffff00000000LL) {
 949                 int cid = scmd_id(cmd);
 950                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
 951                 cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
 952                         SAM_STAT_CHECK_CONDITION;
 953                 set_sense(&dev->fsa_dev[cid].sense_data,
 954                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
 955                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
 956                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
 957                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
 958                              SCSI_SENSE_BUFFERSIZE));
 959                 cmd->scsi_done(cmd);
 960                 return 1;
 961         }
 962         return 0;
 963 }
 964
 965 static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
 966 {
 967         return 0;
 968 }
 969
 970 static void io_callback(void *context, struct fib * fibptr);
 971
 972 static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 973 {
 974         struct aac_dev *dev = fib->dev;
 975         u16 fibsize, command;
 976         long ret;
 977
 978         aac_fib_init(fib);
 979         if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 && !dev->sync_mode) {
 980                 struct aac_raw_io2 *readcmd2;
 981                 readcmd2 = (struct aac_raw_io2 *) fib_data(fib);
 982                 memset(readcmd2, 0, sizeof(struct aac_raw_io2));
 983                 readcmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
 984                 readcmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
 985                 readcmd2->byteCount = cpu_to_le32(count<<9);
 986                 readcmd2->cid = cpu_to_le16(scmd_id(cmd));
 987                 readcmd2->flags = cpu_to_le16(RIO2_IO_TYPE_READ);
 988                 ret = aac_build_sgraw2(cmd, readcmd2,
 989                                 dev->scsi_host_ptr->sg_tablesize);
 990                 if (ret < 0)
 991                         return ret;
 992                 command = ContainerRawIo2;
 993                 fibsize = sizeof(struct aac_raw_io2) +
 994                         ((le32_to_cpu(readcmd2->sgeCnt)-1) * sizeof(struct sge_ieee1212));
 995         } else {
 996                 struct aac_raw_io *readcmd;
 997                 readcmd = (struct aac_raw_io *) fib_data(fib);
 998                 readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
 999                 readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1000                 readcmd->count = cpu_to_le32(count<<9);
1001                 readcmd->cid = cpu_to_le16(scmd_id(cmd));
1002                 readcmd->flags = cpu_to_le16(RIO_TYPE_READ);
1003                 readcmd->bpTotal = 0;
1004                 readcmd->bpComplete = 0;
1005                 ret = aac_build_sgraw(cmd, &readcmd->sg);
1006                 if (ret < 0)
1007                         return ret;
1008                 command = ContainerRawIo;
1009                 fibsize = sizeof(struct aac_raw_io) +
1010                         ((le32_to_cpu(readcmd->sg.count)-1) * sizeof(struct sgentryraw));
1011         }
1012
1013         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1014         /*
1015          *      Now send the Fib to the adapter
1016          */
1017         return aac_fib_send(command,
1018                           fib,
1019                           fibsize,
1020                           FsaNormal,
1021                           0, 1,
1022                           (fib_callback) io_callback,
1023                           (void *) cmd);
1024 }
1025
1026 static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1027 {
1028         u16 fibsize;
1029         struct aac_read64 *readcmd;
1030         long ret;
1031
1032         aac_fib_init(fib);
1033         readcmd = (struct aac_read64 *) fib_data(fib);
1034         readcmd->command = cpu_to_le32(VM_CtHostRead64);
1035         readcmd->cid = cpu_to_le16(scmd_id(cmd));
1036         readcmd->sector_count = cpu_to_le16(count);
1037         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1038         readcmd->pad   = 0;
1039         readcmd->flags = 0;
1040
1041         ret = aac_build_sg64(cmd, &readcmd->sg);
1042         if (ret < 0)
1043                 return ret;
1044         fibsize = sizeof(struct aac_read64) +
1045                 ((le32_to_cpu(readcmd->sg.count) - 1) *
1046                  sizeof (struct sgentry64));
1047         BUG_ON (fibsize > (fib->dev->max_fib_size -
1048                                 sizeof(struct aac_fibhdr)));
1049         /*
1050          *      Now send the Fib to the adapter
1051          */
1052         return aac_fib_send(ContainerCommand64,
1053                           fib,
1054                           fibsize,
1055                           FsaNormal,
1056                           0, 1,
1057                           (fib_callback) io_callback,
1058                           (void *) cmd);
1059 }
1060
1061 static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1062 {
1063         u16 fibsize;
1064         struct aac_read *readcmd;
1065         long ret;
1066
1067         aac_fib_init(fib);
1068         readcmd = (struct aac_read *) fib_data(fib);
1069         readcmd->command = cpu_to_le32(VM_CtBlockRead);
1070         readcmd->cid = cpu_to_le32(scmd_id(cmd));
1071         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1072         readcmd->count = cpu_to_le32(count * 512);
1073
1074         ret = aac_build_sg(cmd, &readcmd->sg);
1075         if (ret < 0)
1076                 return ret;
1077         fibsize = sizeof(struct aac_read) +
1078                         ((le32_to_cpu(readcmd->sg.count) - 1) *
1079                          sizeof (struct sgentry));
1080         BUG_ON (fibsize > (fib->dev->max_fib_size -
1081                                 sizeof(struct aac_fibhdr)));
1082         /*
1083          *      Now send the Fib to the adapter
1084          */
1085         return aac_fib_send(ContainerCommand,
1086                           fib,
1087                           fibsize,
1088                           FsaNormal,
1089                           0, 1,
1090                           (fib_callback) io_callback,
1091                           (void *) cmd);
1092 }
1093
1094 static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1095 {
1096         struct aac_dev *dev = fib->dev;
1097         u16 fibsize, command;
1098         long ret;
1099
1100         aac_fib_init(fib);
1101         if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 && !dev->sync_mode) {
1102                 struct aac_raw_io2 *writecmd2;
1103                 writecmd2 = (struct aac_raw_io2 *) fib_data(fib);
1104                 memset(writecmd2, 0, sizeof(struct aac_raw_io2));
1105                 writecmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
1106                 writecmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1107                 writecmd2->byteCount = cpu_to_le32(count<<9);
1108                 writecmd2->cid = cpu_to_le16(scmd_id(cmd));
1109                 writecmd2->flags = (fua && ((aac_cache & 5) != 1) &&
1110                                                    (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1111                         cpu_to_le16(RIO2_IO_TYPE_WRITE|RIO2_IO_SUREWRITE) :
1112                         cpu_to_le16(RIO2_IO_TYPE_WRITE);
1113                 ret = aac_build_sgraw2(cmd, writecmd2,
1114                                 dev->scsi_host_ptr->sg_tablesize);
1115                 if (ret < 0)
1116                         return ret;
1117                 command = ContainerRawIo2;
1118                 fibsize = sizeof(struct aac_raw_io2) +
1119                         ((le32_to_cpu(writecmd2->sgeCnt)-1) * sizeof(struct sge_ieee1212));
1120         } else {
1121                 struct aac_raw_io *writecmd;
1122                 writecmd = (struct aac_raw_io *) fib_data(fib);
1123                 writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1124                 writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1125                 writecmd->count = cpu_to_le32(count<<9);
1126                 writecmd->cid = cpu_to_le16(scmd_id(cmd));
1127                 writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
1128                                                    (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1129                         cpu_to_le16(RIO_TYPE_WRITE|RIO_SUREWRITE) :
1130                         cpu_to_le16(RIO_TYPE_WRITE);
1131                 writecmd->bpTotal = 0;
1132                 writecmd->bpComplete = 0;
1133                 ret = aac_build_sgraw(cmd, &writecmd->sg);
1134                 if (ret < 0)
1135                         return ret;
1136                 command = ContainerRawIo;
1137                 fibsize = sizeof(struct aac_raw_io) +
1138                         ((le32_to_cpu(writecmd->sg.count)-1) * sizeof (struct sgentryraw));
1139         }
1140
1141         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1142         /*
1143          *      Now send the Fib to the adapter
1144          */
1145         return aac_fib_send(command,
1146                           fib,
1147                           fibsize,
1148                           FsaNormal,
1149                           0, 1,
1150                           (fib_callback) io_callback,
1151                           (void *) cmd);
1152 }
1153
1154 static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1155 {
1156         u16 fibsize;
1157         struct aac_write64 *writecmd;
1158         long ret;
1159
1160         aac_fib_init(fib);
1161         writecmd = (struct aac_write64 *) fib_data(fib);
1162         writecmd->command = cpu_to_le32(VM_CtHostWrite64);
1163         writecmd->cid = cpu_to_le16(scmd_id(cmd));
1164         writecmd->sector_count = cpu_to_le16(count);
1165         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1166         writecmd->pad   = 0;
1167         writecmd->flags = 0;
1168
1169         ret = aac_build_sg64(cmd, &writecmd->sg);
1170         if (ret < 0)
1171                 return ret;
1172         fibsize = sizeof(struct aac_write64) +
1173                 ((le32_to_cpu(writecmd->sg.count) - 1) *
1174                  sizeof (struct sgentry64));
1175         BUG_ON (fibsize > (fib->dev->max_fib_size -
1176                                 sizeof(struct aac_fibhdr)));
1177         /*
1178          *      Now send the Fib to the adapter
1179          */
1180         return aac_fib_send(ContainerCommand64,
1181                           fib,
1182                           fibsize,
1183                           FsaNormal,
1184                           0, 1,
1185                           (fib_callback) io_callback,
1186                           (void *) cmd);
1187 }
1188
1189 static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1190 {
1191         u16 fibsize;
1192         struct aac_write *writecmd;
1193         long ret;
1194
1195         aac_fib_init(fib);
1196         writecmd = (struct aac_write *) fib_data(fib);
1197         writecmd->command = cpu_to_le32(VM_CtBlockWrite);
1198         writecmd->cid = cpu_to_le32(scmd_id(cmd));
1199         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1200         writecmd->count = cpu_to_le32(count * 512);
1201         writecmd->sg.count = cpu_to_le32(1);
1202         /* ->stable is not used - it did mean which type of write */
1203
1204         ret = aac_build_sg(cmd, &writecmd->sg);
1205         if (ret < 0)
1206                 return ret;
1207         fibsize = sizeof(struct aac_write) +
1208                 ((le32_to_cpu(writecmd->sg.count) - 1) *
1209                  sizeof (struct sgentry));
1210         BUG_ON (fibsize > (fib->dev->max_fib_size -
1211                                 sizeof(struct aac_fibhdr)));
1212         /*
1213          *      Now send the Fib to the adapter
1214          */
1215         return aac_fib_send(ContainerCommand,
1216                           fib,
1217                           fibsize,
1218                           FsaNormal,
1219                           0, 1,
1220                           (fib_callback) io_callback,
1221                           (void *) cmd);
1222 }
1223
1224 static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
1225 {
1226         struct aac_srb * srbcmd;
1227         u32 flag;
1228         u32 timeout;
1229
1230         aac_fib_init(fib);
1231         switch(cmd->sc_data_direction){
1232         case DMA_TO_DEVICE:
1233                 flag = SRB_DataOut;
1234                 break;
1235         case DMA_BIDIRECTIONAL:
1236                 flag = SRB_DataIn | SRB_DataOut;
1237                 break;
1238         case DMA_FROM_DEVICE:
1239                 flag = SRB_DataIn;
1240                 break;
1241         case DMA_NONE:
1242         default:        /* shuts up some versions of gcc */
1243                 flag = SRB_NoDataXfer;
1244                 break;
1245         }
1246
1247         srbcmd = (struct aac_srb*) fib_data(fib);
1248         srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1249         srbcmd->channel  = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1250         srbcmd->id       = cpu_to_le32(scmd_id(cmd));
1251         srbcmd->lun      = cpu_to_le32(cmd->device->lun);
1252         srbcmd->flags    = cpu_to_le32(flag);
1253         timeout = cmd->request->timeout/HZ;
1254         if (timeout == 0)
1255                 timeout = 1;
1256         srbcmd->timeout  = cpu_to_le32(timeout);  // timeout in seconds
1257         srbcmd->retry_limit = 0; /* Obsolete parameter */
1258         srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1259         return srbcmd;
1260 }
1261
1262 static void aac_srb_callback(void *context, struct fib * fibptr);
1263
1264 static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1265 {
1266         u16 fibsize;
1267         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1268         long ret;
1269
1270         ret = aac_build_sg64(cmd, (struct sgmap64 *) &srbcmd->sg);
1271         if (ret < 0)
1272                 return ret;
1273         srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1274
1275         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1276         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1277         /*
1278          *      Build Scatter/Gather list
1279          */
1280         fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1281                 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1282                  sizeof (struct sgentry64));
1283         BUG_ON (fibsize > (fib->dev->max_fib_size -
1284                                 sizeof(struct aac_fibhdr)));
1285
1286         /*
1287          *      Now send the Fib to the adapter
1288          */
1289         return aac_fib_send(ScsiPortCommand64, fib,
1290                                 fibsize, FsaNormal, 0, 1,
1291                                   (fib_callback) aac_srb_callback,
1292                                   (void *) cmd);
1293 }
1294
1295 static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1296 {
1297         u16 fibsize;
1298         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1299         long ret;
1300
1301         ret = aac_build_sg(cmd, (struct sgmap *)&srbcmd->sg);
1302         if (ret < 0)
1303                 return ret;
1304         srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1305
1306         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1307         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1308         /*
1309          *      Build Scatter/Gather list
1310          */
1311         fibsize = sizeof (struct aac_srb) +
1312                 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1313                  sizeof (struct sgentry));
1314         BUG_ON (fibsize > (fib->dev->max_fib_size -
1315                                 sizeof(struct aac_fibhdr)));
1316
1317         /*
1318          *      Now send the Fib to the adapter
1319          */
1320         return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1321                                   (fib_callback) aac_srb_callback, (void *) cmd);
1322 }
1323
1324 static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd)
1325 {
1326         if ((sizeof(dma_addr_t) > 4) && fib->dev->needs_dac &&
1327             (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64))
1328                 return FAILED;
1329         return aac_scsi_32(fib, cmd);
1330 }
1331
1332 int aac_get_adapter_info(struct aac_dev* dev)
1333 {
1334         struct fib* fibptr;
1335         int rcode;
1336         u32 tmp;
1337         struct aac_adapter_info *info;
1338         struct aac_bus_info *command;
1339         struct aac_bus_info_response *bus_info;
1340
1341         if (!(fibptr = aac_fib_alloc(dev)))
1342                 return -ENOMEM;
1343
1344         aac_fib_init(fibptr);
1345         info = (struct aac_adapter_info *) fib_data(fibptr);
1346         memset(info,0,sizeof(*info));
1347
1348         rcode = aac_fib_send(RequestAdapterInfo,
1349                          fibptr,
1350                          sizeof(*info),
1351                          FsaNormal,
1352                          -1, 1, /* First `interrupt' command uses special wait */
1353                          NULL,
1354                          NULL);
1355
1356         if (rcode < 0) {
1357                 /* FIB should be freed only after
1358                  * getting the response from the F/W */
1359                 if (rcode != -ERESTARTSYS) {
1360                         aac_fib_complete(fibptr);
1361                         aac_fib_free(fibptr);
1362                 }
1363                 return rcode;
1364         }
1365         memcpy(&dev->adapter_info, info, sizeof(*info));
1366
1367         if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
1368                 struct aac_supplement_adapter_info * sinfo;
1369
1370                 aac_fib_init(fibptr);
1371
1372                 sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr);
1373
1374                 memset(sinfo,0,sizeof(*sinfo));
1375
1376                 rcode = aac_fib_send(RequestSupplementAdapterInfo,
1377                                  fibptr,
1378                                  sizeof(*sinfo),
1379                                  FsaNormal,
1380                                  1, 1,
1381                                  NULL,
1382                                  NULL);
1383
1384                 if (rcode >= 0)
1385                         memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo));
1386                 if (rcode == -ERESTARTSYS) {
1387                         fibptr = aac_fib_alloc(dev);
1388                         if (!fibptr)
1389                                 return -ENOMEM;
1390                 }
1391
1392         }
1393
1394
1395         /*
1396          * GetBusInfo
1397          */
1398
1399         aac_fib_init(fibptr);
1400
1401         bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
1402
1403         memset(bus_info, 0, sizeof(*bus_info));
1404
1405         command = (struct aac_bus_info *)bus_info;
1406
1407         command->Command = cpu_to_le32(VM_Ioctl);
1408         command->ObjType = cpu_to_le32(FT_DRIVE);
1409         command->MethodId = cpu_to_le32(1);
1410         command->CtlCmd = cpu_to_le32(GetBusInfo);
1411
1412         rcode = aac_fib_send(ContainerCommand,
1413                          fibptr,
1414                          sizeof (*bus_info),
1415                          FsaNormal,
1416                          1, 1,
1417                          NULL, NULL);
1418
1419         /* reasoned default */
1420         dev->maximum_num_physicals = 16;
1421         if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
1422                 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
1423                 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
1424         }
1425
1426         if (!dev->in_reset) {
1427                 char buffer[16];
1428                 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1429                 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
1430                         dev->name,
1431                         dev->id,
1432                         tmp>>24,
1433                         (tmp>>16)&0xff,
1434                         tmp&0xff,
1435                         le32_to_cpu(dev->adapter_info.kernelbuild),
1436                         (int)sizeof(dev->supplement_adapter_info.BuildDate),
1437                         dev->supplement_adapter_info.BuildDate);
1438                 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1439                 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
1440                         dev->name, dev->id,
1441                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1442                         le32_to_cpu(dev->adapter_info.monitorbuild));
1443                 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1444                 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
1445                         dev->name, dev->id,
1446                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1447                         le32_to_cpu(dev->adapter_info.biosbuild));
1448                 buffer[0] = '\0';
1449                 if (aac_get_serial_number(
1450                   shost_to_class(dev->scsi_host_ptr), buffer))
1451                         printk(KERN_INFO "%s%d: serial %s",
1452                           dev->name, dev->id, buffer);
1453                 if (dev->supplement_adapter_info.VpdInfo.Tsid[0]) {
1454                         printk(KERN_INFO "%s%d: TSID %.*s\n",
1455                           dev->name, dev->id,
1456                           (int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid),
1457                           dev->supplement_adapter_info.VpdInfo.Tsid);
1458                 }
1459                 if (!aac_check_reset || ((aac_check_reset == 1) &&
1460                   (dev->supplement_adapter_info.SupportedOptions2 &
1461                   AAC_OPTION_IGNORE_RESET))) {
1462                         printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
1463                           dev->name, dev->id);
1464                 }
1465         }
1466
1467         dev->cache_protected = 0;
1468         dev->jbod = ((dev->supplement_adapter_info.FeatureBits &
1469                 AAC_FEATURE_JBOD) != 0);
1470         dev->nondasd_support = 0;
1471         dev->raid_scsi_mode = 0;
1472         if(dev->adapter_info.options & AAC_OPT_NONDASD)
1473                 dev->nondasd_support = 1;
1474
1475         /*
1476          * If the firmware supports ROMB RAID/SCSI mode and we are currently
1477          * in RAID/SCSI mode, set the flag. For now if in this mode we will
1478          * force nondasd support on. If we decide to allow the non-dasd flag
1479          * additional changes changes will have to be made to support
1480          * RAID/SCSI.  the function aac_scsi_cmd in this module will have to be
1481          * changed to support the new dev->raid_scsi_mode flag instead of
1482          * leaching off of the dev->nondasd_support flag. Also in linit.c the
1483          * function aac_detect will have to be modified where it sets up the
1484          * max number of channels based on the aac->nondasd_support flag only.
1485          */
1486         if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
1487             (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
1488                 dev->nondasd_support = 1;
1489                 dev->raid_scsi_mode = 1;
1490         }
1491         if (dev->raid_scsi_mode != 0)
1492                 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
1493                                 dev->name, dev->id);
1494
1495         if (nondasd != -1)
1496                 dev->nondasd_support = (nondasd!=0);
1497         if (dev->nondasd_support && !dev->in_reset)
1498                 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
1499
1500         if (dma_get_required_mask(&dev->pdev->dev) > DMA_BIT_MASK(32))
1501                 dev->needs_dac = 1;
1502         dev->dac_support = 0;
1503         if ((sizeof(dma_addr_t) > 4) && dev->needs_dac &&
1504             (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) {
1505                 if (!dev->in_reset)
1506                         printk(KERN_INFO "%s%d: 64bit support enabled.\n",
1507                                 dev->name, dev->id);
1508                 dev->dac_support = 1;
1509         }
1510
1511         if(dacmode != -1) {
1512                 dev->dac_support = (dacmode!=0);
1513         }
1514
1515         /* avoid problems with AAC_QUIRK_SCSI_32 controllers */
1516         if (dev->dac_support && (aac_get_driver_ident(dev->cardtype)->quirks
1517                 & AAC_QUIRK_SCSI_32)) {
1518                 dev->nondasd_support = 0;
1519                 dev->jbod = 0;
1520                 expose_physicals = 0;
1521         }
1522
1523         if(dev->dac_support != 0) {
1524                 if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(64)) &&
1525                         !pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(64))) {
1526                         if (!dev->in_reset)
1527                                 printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
1528                                         dev->name, dev->id);
1529                 } else if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(32)) &&
1530                         !pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(32))) {
1531                         printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
1532                                 dev->name, dev->id);
1533                         dev->dac_support = 0;
1534                 } else {
1535                         printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
1536                                 dev->name, dev->id);
1537                         rcode = -ENOMEM;
1538                 }
1539         }
1540         /*
1541          * Deal with configuring for the individualized limits of each packet
1542          * interface.
1543          */
1544         dev->a_ops.adapter_scsi = (dev->dac_support)
1545           ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32)
1546                                 ? aac_scsi_32_64
1547                                 : aac_scsi_64)
1548                                 : aac_scsi_32;
1549         if (dev->raw_io_interface) {
1550                 dev->a_ops.adapter_bounds = (dev->raw_io_64)
1551                                         ? aac_bounds_64
1552                                         : aac_bounds_32;
1553                 dev->a_ops.adapter_read = aac_read_raw_io;
1554                 dev->a_ops.adapter_write = aac_write_raw_io;
1555         } else {
1556                 dev->a_ops.adapter_bounds = aac_bounds_32;
1557                 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
1558                         sizeof(struct aac_fibhdr) -
1559                         sizeof(struct aac_write) + sizeof(struct sgentry)) /
1560                                 sizeof(struct sgentry);
1561                 if (dev->dac_support) {
1562                         dev->a_ops.adapter_read = aac_read_block64;
1563                         dev->a_ops.adapter_write = aac_write_block64;
1564                         /*
1565                          * 38 scatter gather elements
1566                          */
1567                         dev->scsi_host_ptr->sg_tablesize =
1568                                 (dev->max_fib_size -
1569                                 sizeof(struct aac_fibhdr) -
1570                                 sizeof(struct aac_write64) +
1571                                 sizeof(struct sgentry64)) /
1572                                         sizeof(struct sgentry64);
1573                 } else {
1574                         dev->a_ops.adapter_read = aac_read_block;
1575                         dev->a_ops.adapter_write = aac_write_block;
1576                 }
1577                 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
1578                 if (!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
1579                         /*
1580                          * Worst case size that could cause sg overflow when
1581                          * we break up SG elements that are larger than 64KB.
1582                          * Would be nice if we could tell the SCSI layer what
1583                          * the maximum SG element size can be. Worst case is
1584                          * (sg_tablesize-1) 4KB elements with one 64KB
1585                          * element.
1586                          *      32bit -> 468 or 238KB   64bit -> 424 or 212KB
1587                          */
1588                         dev->scsi_host_ptr->max_sectors =
1589                           (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
1590                 }
1591         }
1592         /* FIB should be freed only after getting the response from the F/W */
1593         if (rcode != -ERESTARTSYS) {
1594                 aac_fib_complete(fibptr);
1595                 aac_fib_free(fibptr);
1596         }
1597
1598         return rcode;
1599 }
1600
1601
1602 static void io_callback(void *context, struct fib * fibptr)
1603 {
1604         struct aac_dev *dev;
1605         struct aac_read_reply *readreply;
1606         struct scsi_cmnd *scsicmd;
1607         u32 cid;
1608
1609         scsicmd = (struct scsi_cmnd *) context;
1610
1611         if (!aac_valid_context(scsicmd, fibptr))
1612                 return;
1613
1614         dev = fibptr->dev;
1615         cid = scmd_id(scsicmd);
1616
1617         if (nblank(dprintk(x))) {
1618                 u64 lba;
1619                 switch (scsicmd->cmnd[0]) {
1620                 case WRITE_6:
1621                 case READ_6:
1622                         lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1623                             (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1624                         break;
1625                 case WRITE_16:
1626                 case READ_16:
1627                         lba = ((u64)scsicmd->cmnd[2] << 56) |
1628                               ((u64)scsicmd->cmnd[3] << 48) |
1629                               ((u64)scsicmd->cmnd[4] << 40) |
1630                               ((u64)scsicmd->cmnd[5] << 32) |
1631                               ((u64)scsicmd->cmnd[6] << 24) |
1632                               (scsicmd->cmnd[7] << 16) |
1633                               (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1634                         break;
1635                 case WRITE_12:
1636                 case READ_12:
1637                         lba = ((u64)scsicmd->cmnd[2] << 24) |
1638                               (scsicmd->cmnd[3] << 16) |
1639                               (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1640                         break;
1641                 default:
1642                         lba = ((u64)scsicmd->cmnd[2] << 24) |
1643                                (scsicmd->cmnd[3] << 16) |
1644                                (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1645                         break;
1646                 }
1647                 printk(KERN_DEBUG
1648                   "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
1649                   smp_processor_id(), (unsigned long long)lba, jiffies);
1650         }
1651
1652         BUG_ON(fibptr == NULL);
1653
1654         scsi_dma_unmap(scsicmd);
1655
1656         readreply = (struct aac_read_reply *)fib_data(fibptr);
1657         switch (le32_to_cpu(readreply->status)) {
1658         case ST_OK:
1659                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1660                         SAM_STAT_GOOD;
1661                 dev->fsa_dev[cid].sense_data.sense_key = NO_SENSE;
1662                 break;
1663         case ST_NOT_READY:
1664                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1665                         SAM_STAT_CHECK_CONDITION;
1666                 set_sense(&dev->fsa_dev[cid].sense_data, NOT_READY,
1667                   SENCODE_BECOMING_READY, ASENCODE_BECOMING_READY, 0, 0);
1668                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1669                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1670                              SCSI_SENSE_BUFFERSIZE));
1671                 break;
1672         default:
1673 #ifdef AAC_DETAILED_STATUS_INFO
1674                 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
1675                   le32_to_cpu(readreply->status));
1676 #endif
1677                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1678                         SAM_STAT_CHECK_CONDITION;
1679                 set_sense(&dev->fsa_dev[cid].sense_data,
1680                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1681                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1682                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1683                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1684                              SCSI_SENSE_BUFFERSIZE));
1685                 break;
1686         }
1687         aac_fib_complete(fibptr);
1688         aac_fib_free(fibptr);
1689
1690         scsicmd->scsi_done(scsicmd);
1691 }
1692
1693 static int aac_read(struct scsi_cmnd * scsicmd)
1694 {
1695         u64 lba;
1696         u32 count;
1697         int status;
1698         struct aac_dev *dev;
1699         struct fib * cmd_fibcontext;
1700         int cid;
1701
1702         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1703         /*
1704          *      Get block address and transfer length
1705          */
1706         switch (scsicmd->cmnd[0]) {
1707         case READ_6:
1708                 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
1709
1710                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1711                         (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1712                 count = scsicmd->cmnd[4];
1713
1714                 if (count == 0)
1715                         count = 256;
1716                 break;
1717         case READ_16:
1718                 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
1719
1720                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
1721                         ((u64)scsicmd->cmnd[3] << 48) |
1722                         ((u64)scsicmd->cmnd[4] << 40) |
1723                         ((u64)scsicmd->cmnd[5] << 32) |
1724                         ((u64)scsicmd->cmnd[6] << 24) |
1725                         (scsicmd->cmnd[7] << 16) |
1726                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1727                 count = (scsicmd->cmnd[10] << 24) |
1728                         (scsicmd->cmnd[11] << 16) |
1729                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1730                 break;
1731         case READ_12:
1732                 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
1733
1734                 lba = ((u64)scsicmd->cmnd[2] << 24) |
1735                         (scsicmd->cmnd[3] << 16) |
1736                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1737                 count = (scsicmd->cmnd[6] << 24) |
1738                         (scsicmd->cmnd[7] << 16) |
1739                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1740                 break;
1741         default:
1742                 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
1743
1744                 lba = ((u64)scsicmd->cmnd[2] << 24) |
1745                         (scsicmd->cmnd[3] << 16) |
1746                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1747                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1748                 break;
1749         }
1750
1751         if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
1752                 cid = scmd_id(scsicmd);
1753                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
1754                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1755                         SAM_STAT_CHECK_CONDITION;
1756                 set_sense(&dev->fsa_dev[cid].sense_data,
1757                           HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1758                           ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1759                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1760                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1761                              SCSI_SENSE_BUFFERSIZE));
1762                 scsicmd->scsi_done(scsicmd);
1763                 return 1;
1764         }
1765
1766         dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
1767           smp_processor_id(), (unsigned long long)lba, jiffies));
1768         if (aac_adapter_bounds(dev,scsicmd,lba))
1769                 return 0;
1770         /*
1771          *      Alocate and initialize a Fib
1772          */
1773         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1774                 printk(KERN_WARNING "aac_read: fib allocation failed\n");
1775                 return -1;
1776         }
1777
1778         status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
1779
1780         /*
1781          *      Check that the command queued to the controller
1782          */
1783         if (status == -EINPROGRESS) {
1784                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1785                 return 0;
1786         }
1787
1788         printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
1789         /*
1790          *      For some reason, the Fib didn't queue, return QUEUE_FULL
1791          */
1792         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1793         scsicmd->scsi_done(scsicmd);
1794         aac_fib_complete(cmd_fibcontext);
1795         aac_fib_free(cmd_fibcontext);
1796         return 0;
1797 }
1798
1799 static int aac_write(struct scsi_cmnd * scsicmd)
1800 {
1801         u64 lba;
1802         u32 count;
1803         int fua;
1804         int status;
1805         struct aac_dev *dev;
1806         struct fib * cmd_fibcontext;
1807         int cid;
1808
1809         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1810         /*
1811          *      Get block address and transfer length
1812          */
1813         if (scsicmd->cmnd[0] == WRITE_6)        /* 6 byte command */
1814         {
1815                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1816                 count = scsicmd->cmnd[4];
1817                 if (count == 0)
1818                         count = 256;
1819                 fua = 0;
1820         } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
1821                 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
1822
1823                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
1824                         ((u64)scsicmd->cmnd[3] << 48) |
1825                         ((u64)scsicmd->cmnd[4] << 40) |
1826                         ((u64)scsicmd->cmnd[5] << 32) |
1827                         ((u64)scsicmd->cmnd[6] << 24) |
1828                         (scsicmd->cmnd[7] << 16) |
1829                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1830                 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
1831                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1832                 fua = scsicmd->cmnd[1] & 0x8;
1833         } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
1834                 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
1835
1836                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
1837                     | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1838                 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
1839                       | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1840                 fua = scsicmd->cmnd[1] & 0x8;
1841         } else {
1842                 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
1843                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1844                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1845                 fua = scsicmd->cmnd[1] & 0x8;
1846         }
1847
1848         if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
1849                 cid = scmd_id(scsicmd);
1850                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
1851                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1852                         SAM_STAT_CHECK_CONDITION;
1853                 set_sense(&dev->fsa_dev[cid].sense_data,
1854                           HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1855                           ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1856                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1857                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1858                              SCSI_SENSE_BUFFERSIZE));
1859                 scsicmd->scsi_done(scsicmd);
1860                 return 1;
1861         }
1862
1863         dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
1864           smp_processor_id(), (unsigned long long)lba, jiffies));
1865         if (aac_adapter_bounds(dev,scsicmd,lba))
1866                 return 0;
1867         /*
1868          *      Allocate and initialize a Fib then setup a BlockWrite command
1869          */
1870         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1871                 /* FIB temporarily unavailable,not catastrophic failure */
1872
1873                 /* scsicmd->result = DID_ERROR << 16;
1874                  * scsicmd->scsi_done(scsicmd);
1875                  * return 0;
1876                  */
1877                 printk(KERN_WARNING "aac_write: fib allocation failed\n");
1878                 return -1;
1879         }
1880
1881         status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
1882
1883         /*
1884          *      Check that the command queued to the controller
1885          */
1886         if (status == -EINPROGRESS) {
1887                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1888                 return 0;
1889         }
1890
1891         printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
1892         /*
1893          *      For some reason, the Fib didn't queue, return QUEUE_FULL
1894          */
1895         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1896         scsicmd->scsi_done(scsicmd);
1897
1898         aac_fib_complete(cmd_fibcontext);
1899         aac_fib_free(cmd_fibcontext);
1900         return 0;
1901 }
1902
1903 static void synchronize_callback(void *context, struct fib *fibptr)
1904 {
1905         struct aac_synchronize_reply *synchronizereply;
1906         struct scsi_cmnd *cmd;
1907
1908         cmd = context;
1909
1910         if (!aac_valid_context(cmd, fibptr))
1911                 return;
1912
1913         dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
1914                                 smp_processor_id(), jiffies));
1915         BUG_ON(fibptr == NULL);
1916
1917
1918         synchronizereply = fib_data(fibptr);
1919         if (le32_to_cpu(synchronizereply->status) == CT_OK)
1920                 cmd->result = DID_OK << 16 |
1921                         COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1922         else {
1923                 struct scsi_device *sdev = cmd->device;
1924                 struct aac_dev *dev = fibptr->dev;
1925                 u32 cid = sdev_id(sdev);
1926                 printk(KERN_WARNING
1927                      "synchronize_callback: synchronize failed, status = %d\n",
1928                      le32_to_cpu(synchronizereply->status));
1929                 cmd->result = DID_OK << 16 |
1930                         COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1931                 set_sense(&dev->fsa_dev[cid].sense_data,
1932                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1933                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1934                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1935                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1936                              SCSI_SENSE_BUFFERSIZE));
1937         }
1938
1939         aac_fib_complete(fibptr);
1940         aac_fib_free(fibptr);
1941         cmd->scsi_done(cmd);
1942 }
1943
1944 static int aac_synchronize(struct scsi_cmnd *scsicmd)
1945 {
1946         int status;
1947         struct fib *cmd_fibcontext;
1948         struct aac_synchronize *synchronizecmd;
1949         struct scsi_cmnd *cmd;
1950         struct scsi_device *sdev = scsicmd->device;
1951         int active = 0;
1952         struct aac_dev *aac;
1953         u64 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) |
1954                 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1955         u32 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1956         unsigned long flags;
1957
1958         /*
1959          * Wait for all outstanding queued commands to complete to this
1960          * specific target (block).
1961          */
1962         spin_lock_irqsave(&sdev->list_lock, flags);
1963         list_for_each_entry(cmd, &sdev->cmd_list, list)
1964                 if (cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
1965                         u64 cmnd_lba;
1966                         u32 cmnd_count;
1967
1968                         if (cmd->cmnd[0] == WRITE_6) {
1969                                 cmnd_lba = ((cmd->cmnd[1] & 0x1F) << 16) |
1970                                         (cmd->cmnd[2] << 8) |
1971                                         cmd->cmnd[3];
1972                                 cmnd_count = cmd->cmnd[4];
1973                                 if (cmnd_count == 0)
1974                                         cmnd_count = 256;
1975                         } else if (cmd->cmnd[0] == WRITE_16) {
1976                                 cmnd_lba = ((u64)cmd->cmnd[2] << 56) |
1977                                         ((u64)cmd->cmnd[3] << 48) |
1978                                         ((u64)cmd->cmnd[4] << 40) |
1979                                         ((u64)cmd->cmnd[5] << 32) |
1980                                         ((u64)cmd->cmnd[6] << 24) |
1981                                         (cmd->cmnd[7] << 16) |
1982                                         (cmd->cmnd[8] << 8) |
1983                                         cmd->cmnd[9];
1984                                 cmnd_count = (cmd->cmnd[10] << 24) |
1985                                         (cmd->cmnd[11] << 16) |
1986                                         (cmd->cmnd[12] << 8) |
1987                                         cmd->cmnd[13];
1988                         } else if (cmd->cmnd[0] == WRITE_12) {
1989                                 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
1990                                         (cmd->cmnd[3] << 16) |
1991                                         (cmd->cmnd[4] << 8) |
1992                                         cmd->cmnd[5];
1993                                 cmnd_count = (cmd->cmnd[6] << 24) |
1994                                         (cmd->cmnd[7] << 16) |
1995                                         (cmd->cmnd[8] << 8) |
1996                                         cmd->cmnd[9];
1997                         } else if (cmd->cmnd[0] == WRITE_10) {
1998                                 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
1999                                         (cmd->cmnd[3] << 16) |
2000                                         (cmd->cmnd[4] << 8) |
2001                                         cmd->cmnd[5];
2002                                 cmnd_count = (cmd->cmnd[7] << 8) |
2003                                         cmd->cmnd[8];
2004                         } else
2005                                 continue;
2006                         if (((cmnd_lba + cmnd_count) < lba) ||
2007                           (count && ((lba + count) < cmnd_lba)))
2008                                 continue;
2009                         ++active;
2010                         break;
2011                 }
2012
2013         spin_unlock_irqrestore(&sdev->list_lock, flags);
2014
2015         /*
2016          *      Yield the processor (requeue for later)
2017          */
2018         if (active)
2019                 return SCSI_MLQUEUE_DEVICE_BUSY;
2020
2021         aac = (struct aac_dev *)sdev->host->hostdata;
2022         if (aac->in_reset)
2023                 return SCSI_MLQUEUE_HOST_BUSY;
2024
2025         /*
2026          *      Allocate and initialize a Fib
2027          */
2028         if (!(cmd_fibcontext = aac_fib_alloc(aac)))
2029                 return SCSI_MLQUEUE_HOST_BUSY;
2030
2031         aac_fib_init(cmd_fibcontext);
2032
2033         synchronizecmd = fib_data(cmd_fibcontext);
2034         synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
2035         synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
2036         synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
2037         synchronizecmd->count =
2038              cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
2039
2040         /*
2041          *      Now send the Fib to the adapter
2042          */
2043         status = aac_fib_send(ContainerCommand,
2044                   cmd_fibcontext,
2045                   sizeof(struct aac_synchronize),
2046                   FsaNormal,
2047                   0, 1,
2048                   (fib_callback)synchronize_callback,
2049                   (void *)scsicmd);
2050
2051         /*
2052          *      Check that the command queued to the controller
2053          */
2054         if (status == -EINPROGRESS) {
2055                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2056                 return 0;
2057         }
2058
2059         printk(KERN_WARNING
2060                 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
2061         aac_fib_complete(cmd_fibcontext);
2062         aac_fib_free(cmd_fibcontext);
2063         return SCSI_MLQUEUE_HOST_BUSY;
2064 }
2065
2066 static void aac_start_stop_callback(void *context, struct fib *fibptr)
2067 {
2068         struct scsi_cmnd *scsicmd = context;
2069
2070         if (!aac_valid_context(scsicmd, fibptr))
2071                 return;
2072
2073         BUG_ON(fibptr == NULL);
2074
2075         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2076
2077         aac_fib_complete(fibptr);
2078         aac_fib_free(fibptr);
2079         scsicmd->scsi_done(scsicmd);
2080 }
2081
2082 static int aac_start_stop(struct scsi_cmnd *scsicmd)
2083 {
2084         int status;
2085         struct fib *cmd_fibcontext;
2086         struct aac_power_management *pmcmd;
2087         struct scsi_device *sdev = scsicmd->device;
2088         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
2089
2090         if (!(aac->supplement_adapter_info.SupportedOptions2 &
2091               AAC_OPTION_POWER_MANAGEMENT)) {
2092                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2093                                   SAM_STAT_GOOD;
2094                 scsicmd->scsi_done(scsicmd);
2095                 return 0;
2096         }
2097
2098         if (aac->in_reset)
2099                 return SCSI_MLQUEUE_HOST_BUSY;
2100
2101         /*
2102          *      Allocate and initialize a Fib
2103          */
2104         cmd_fibcontext = aac_fib_alloc(aac);
2105         if (!cmd_fibcontext)
2106                 return SCSI_MLQUEUE_HOST_BUSY;
2107
2108         aac_fib_init(cmd_fibcontext);
2109
2110         pmcmd = fib_data(cmd_fibcontext);
2111         pmcmd->command = cpu_to_le32(VM_ContainerConfig);
2112         pmcmd->type = cpu_to_le32(CT_POWER_MANAGEMENT);
2113         /* Eject bit ignored, not relevant */
2114         pmcmd->sub = (scsicmd->cmnd[4] & 1) ?
2115                 cpu_to_le32(CT_PM_START_UNIT) : cpu_to_le32(CT_PM_STOP_UNIT);
2116         pmcmd->cid = cpu_to_le32(sdev_id(sdev));
2117         pmcmd->parm = (scsicmd->cmnd[1] & 1) ?
2118                 cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0;
2119
2120         /*
2121          *      Now send the Fib to the adapter
2122          */
2123         status = aac_fib_send(ContainerCommand,
2124                   cmd_fibcontext,
2125                   sizeof(struct aac_power_management),
2126                   FsaNormal,
2127                   0, 1,
2128                   (fib_callback)aac_start_stop_callback,
2129                   (void *)scsicmd);
2130
2131         /*
2132          *      Check that the command queued to the controller
2133          */
2134         if (status == -EINPROGRESS) {
2135                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2136                 return 0;
2137         }
2138
2139         aac_fib_complete(cmd_fibcontext);
2140         aac_fib_free(cmd_fibcontext);
2141         return SCSI_MLQUEUE_HOST_BUSY;
2142 }
2143
2144 /**
2145  *      aac_scsi_cmd()          -       Process SCSI command
2146  *      @scsicmd:               SCSI command block
2147  *
2148  *      Emulate a SCSI command and queue the required request for the
2149  *      aacraid firmware.
2150  */
2151
2152 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
2153 {
2154         u32 cid;
2155         struct Scsi_Host *host = scsicmd->device->host;
2156         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
2157         struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
2158
2159         if (fsa_dev_ptr == NULL)
2160                 return -1;
2161         /*
2162          *      If the bus, id or lun is out of range, return fail
2163          *      Test does not apply to ID 16, the pseudo id for the controller
2164          *      itself.
2165          */
2166         cid = scmd_id(scsicmd);
2167         if (cid != host->this_id) {
2168                 if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
2169                         if((cid >= dev->maximum_num_containers) ||
2170                                         (scsicmd->device->lun != 0)) {
2171                                 scsicmd->result = DID_NO_CONNECT << 16;
2172                                 scsicmd->scsi_done(scsicmd);
2173                                 return 0;
2174                         }
2175
2176                         /*
2177                          *      If the target container doesn't exist, it may have
2178                          *      been newly created
2179                          */
2180                         if (((fsa_dev_ptr[cid].valid & 1) == 0) ||
2181                           (fsa_dev_ptr[cid].sense_data.sense_key ==
2182                            NOT_READY)) {
2183                                 switch (scsicmd->cmnd[0]) {
2184                                 case SERVICE_ACTION_IN:
2185                                         if (!(dev->raw_io_interface) ||
2186                                             !(dev->raw_io_64) ||
2187                                             ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2188                                                 break;
2189                                 case INQUIRY:
2190                                 case READ_CAPACITY:
2191                                 case TEST_UNIT_READY:
2192                                         if (dev->in_reset)
2193                                                 return -1;
2194                                         return _aac_probe_container(scsicmd,
2195                                                         aac_probe_container_callback2);
2196                                 default:
2197                                         break;
2198                                 }
2199                         }
2200                 } else {  /* check for physical non-dasd devices */
2201                         if (dev->nondasd_support || expose_physicals ||
2202                                         dev->jbod) {
2203                                 if (dev->in_reset)
2204                                         return -1;
2205                                 return aac_send_srb_fib(scsicmd);
2206                         } else {
2207                                 scsicmd->result = DID_NO_CONNECT << 16;
2208                                 scsicmd->scsi_done(scsicmd);
2209                                 return 0;
2210                         }
2211                 }
2212         }
2213         /*
2214          * else Command for the controller itself
2215          */
2216         else if ((scsicmd->cmnd[0] != INQUIRY) &&       /* only INQUIRY & TUR cmnd supported for controller */
2217                 (scsicmd->cmnd[0] != TEST_UNIT_READY))
2218         {
2219                 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
2220                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2221                 set_sense(&dev->fsa_dev[cid].sense_data,
2222                   ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2223                   ASENCODE_INVALID_COMMAND, 0, 0);
2224                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2225                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2226                              SCSI_SENSE_BUFFERSIZE));
2227                 scsicmd->scsi_done(scsicmd);
2228                 return 0;
2229         }
2230
2231
2232         /* Handle commands here that don't really require going out to the adapter */
2233         switch (scsicmd->cmnd[0]) {
2234         case INQUIRY:
2235         {
2236                 struct inquiry_data inq_data;
2237
2238                 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
2239                 memset(&inq_data, 0, sizeof (struct inquiry_data));
2240
2241                 if ((scsicmd->cmnd[1] & 0x1) && aac_wwn) {
2242                         char *arr = (char *)&inq_data;
2243
2244                         /* EVPD bit set */
2245                         arr[0] = (scmd_id(scsicmd) == host->this_id) ?
2246                           INQD_PDT_PROC : INQD_PDT_DA;
2247                         if (scsicmd->cmnd[2] == 0) {
2248                                 /* supported vital product data pages */
2249                                 arr[3] = 2;
2250                                 arr[4] = 0x0;
2251                                 arr[5] = 0x80;
2252                                 arr[1] = scsicmd->cmnd[2];
2253                                 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2254                                                          sizeof(inq_data));
2255                                 scsicmd->result = DID_OK << 16 |
2256                                   COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2257                         } else if (scsicmd->cmnd[2] == 0x80) {
2258                                 /* unit serial number page */
2259                                 arr[3] = setinqserial(dev, &arr[4],
2260                                   scmd_id(scsicmd));
2261                                 arr[1] = scsicmd->cmnd[2];
2262                                 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2263                                                          sizeof(inq_data));
2264                                 if (aac_wwn != 2)
2265                                         return aac_get_container_serial(
2266                                                 scsicmd);
2267                                 /* SLES 10 SP1 special */
2268                                 scsicmd->result = DID_OK << 16 |
2269                                   COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2270                         } else {
2271                                 /* vpd page not implemented */
2272                                 scsicmd->result = DID_OK << 16 |
2273                                   COMMAND_COMPLETE << 8 |
2274                                   SAM_STAT_CHECK_CONDITION;
2275                                 set_sense(&dev->fsa_dev[cid].sense_data,
2276                                   ILLEGAL_REQUEST, SENCODE_INVALID_CDB_FIELD,
2277                                   ASENCODE_NO_SENSE, 7, 2);
2278                                 memcpy(scsicmd->sense_buffer,
2279                                   &dev->fsa_dev[cid].sense_data,
2280                                   min_t(size_t,
2281                                         sizeof(dev->fsa_dev[cid].sense_data),
2282                                         SCSI_SENSE_BUFFERSIZE));
2283                         }
2284                         scsicmd->scsi_done(scsicmd);
2285                         return 0;
2286                 }
2287                 inq_data.inqd_ver = 2;  /* claim compliance to SCSI-2 */
2288                 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 */
2289                 inq_data.inqd_len = 31;
2290                 /*Format for "pad2" is  RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
2291                 inq_data.inqd_pad2= 0x32 ;       /*WBus16|Sync|CmdQue */
2292                 /*
2293                  *      Set the Vendor, Product, and Revision Level
2294                  *      see: <vendor>.c i.e. aac.c
2295                  */
2296                 if (cid == host->this_id) {
2297                         setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
2298                         inq_data.inqd_pdt = INQD_PDT_PROC;      /* Processor device */
2299                         scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2300                                                  sizeof(inq_data));
2301                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2302                         scsicmd->scsi_done(scsicmd);
2303                         return 0;
2304                 }
2305                 if (dev->in_reset)
2306                         return -1;
2307                 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
2308                 inq_data.inqd_pdt = INQD_PDT_DA;        /* Direct/random access device */
2309                 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
2310                 return aac_get_container_name(scsicmd);
2311         }
2312         case SERVICE_ACTION_IN:
2313                 if (!(dev->raw_io_interface) ||
2314                     !(dev->raw_io_64) ||
2315                     ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2316                         break;
2317         {
2318                 u64 capacity;
2319                 char cp[13];
2320                 unsigned int alloc_len;
2321
2322                 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
2323                 capacity = fsa_dev_ptr[cid].size - 1;
2324                 cp[0] = (capacity >> 56) & 0xff;
2325                 cp[1] = (capacity >> 48) & 0xff;
2326                 cp[2] = (capacity >> 40) & 0xff;
2327                 cp[3] = (capacity >> 32) & 0xff;
2328                 cp[4] = (capacity >> 24) & 0xff;
2329                 cp[5] = (capacity >> 16) & 0xff;
2330                 cp[6] = (capacity >> 8) & 0xff;
2331                 cp[7] = (capacity >> 0) & 0xff;
2332                 cp[8] = 0;
2333                 cp[9] = 0;
2334                 cp[10] = 2;
2335                 cp[11] = 0;
2336                 cp[12] = 0;
2337
2338                 alloc_len = ((scsicmd->cmnd[10] << 24)
2339                              + (scsicmd->cmnd[11] << 16)
2340                              + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);
2341
2342                 alloc_len = min_t(size_t, alloc_len, sizeof(cp));
2343                 scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len);
2344                 if (alloc_len < scsi_bufflen(scsicmd))
2345                         scsi_set_resid(scsicmd,
2346                                        scsi_bufflen(scsicmd) - alloc_len);
2347
2348                 /* Do not cache partition table for arrays */
2349                 scsicmd->device->removable = 1;
2350
2351                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2352                 scsicmd->scsi_done(scsicmd);
2353
2354                 return 0;
2355         }
2356
2357         case READ_CAPACITY:
2358         {
2359                 u32 capacity;
2360                 char cp[8];
2361
2362                 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
2363                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
2364                         capacity = fsa_dev_ptr[cid].size - 1;
2365                 else
2366                         capacity = (u32)-1;
2367
2368                 cp[0] = (capacity >> 24) & 0xff;
2369                 cp[1] = (capacity >> 16) & 0xff;
2370                 cp[2] = (capacity >> 8) & 0xff;
2371                 cp[3] = (capacity >> 0) & 0xff;
2372                 cp[4] = 0;
2373                 cp[5] = 0;
2374                 cp[6] = 2;
2375                 cp[7] = 0;
2376                 scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
2377                 /* Do not cache partition table for arrays */
2378                 scsicmd->device->removable = 1;
2379                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2380                   SAM_STAT_GOOD;
2381                 scsicmd->scsi_done(scsicmd);
2382
2383                 return 0;
2384         }
2385
2386         case MODE_SENSE:
2387         {
2388                 char mode_buf[7];
2389                 int mode_buf_length = 4;
2390
2391                 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
2392                 mode_buf[0] = 3;        /* Mode data length */
2393                 mode_buf[1] = 0;        /* Medium type - default */
2394                 mode_buf[2] = 0;        /* Device-specific param,
2395                                            bit 8: 0/1 = write enabled/protected
2396                                            bit 4: 0/1 = FUA enabled */
2397                 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
2398                         mode_buf[2] = 0x10;
2399                 mode_buf[3] = 0;        /* Block descriptor length */
2400                 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
2401                   ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
2402                         mode_buf[0] = 6;
2403                         mode_buf[4] = 8;
2404                         mode_buf[5] = 1;
2405                         mode_buf[6] = ((aac_cache & 6) == 2)
2406                                 ? 0 : 0x04; /* WCE */
2407                         mode_buf_length = 7;
2408                         if (mode_buf_length > scsicmd->cmnd[4])
2409                                 mode_buf_length = scsicmd->cmnd[4];
2410                 }
2411                 scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length);
2412                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2413                 scsicmd->scsi_done(scsicmd);
2414
2415                 return 0;
2416         }
2417         case MODE_SENSE_10:
2418         {
2419                 char mode_buf[11];
2420                 int mode_buf_length = 8;
2421
2422                 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
2423                 mode_buf[0] = 0;        /* Mode data length (MSB) */
2424                 mode_buf[1] = 6;        /* Mode data length (LSB) */
2425                 mode_buf[2] = 0;        /* Medium type - default */
2426                 mode_buf[3] = 0;        /* Device-specific param,
2427                                            bit 8: 0/1 = write enabled/protected
2428                                            bit 4: 0/1 = FUA enabled */
2429                 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
2430                         mode_buf[3] = 0x10;
2431                 mode_buf[4] = 0;        /* reserved */
2432                 mode_buf[5] = 0;        /* reserved */
2433                 mode_buf[6] = 0;        /* Block descriptor length (MSB) */
2434                 mode_buf[7] = 0;        /* Block descriptor length (LSB) */
2435                 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
2436                   ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
2437                         mode_buf[1] = 9;
2438                         mode_buf[8] = 8;
2439                         mode_buf[9] = 1;
2440                         mode_buf[10] = ((aac_cache & 6) == 2)
2441                                 ? 0 : 0x04; /* WCE */
2442                         mode_buf_length = 11;
2443                         if (mode_buf_length > scsicmd->cmnd[8])
2444                                 mode_buf_length = scsicmd->cmnd[8];
2445                 }
2446                 scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length);
2447
2448                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2449                 scsicmd->scsi_done(scsicmd);
2450
2451                 return 0;
2452         }
2453         case REQUEST_SENSE:
2454                 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
2455                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
2456                 memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
2457                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2458                 scsicmd->scsi_done(scsicmd);
2459                 return 0;
2460
2461         case ALLOW_MEDIUM_REMOVAL:
2462                 dprintk((KERN_DEBUG "LOCK command.\n"));
2463                 if (scsicmd->cmnd[4])
2464                         fsa_dev_ptr[cid].locked = 1;
2465                 else
2466                         fsa_dev_ptr[cid].locked = 0;
2467
2468                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2469                 scsicmd->scsi_done(scsicmd);
2470                 return 0;
2471         /*
2472          *      These commands are all No-Ops
2473          */
2474         case TEST_UNIT_READY:
2475                 if (fsa_dev_ptr[cid].sense_data.sense_key == NOT_READY) {
2476                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2477                                 SAM_STAT_CHECK_CONDITION;
2478                         set_sense(&dev->fsa_dev[cid].sense_data,
2479                                   NOT_READY, SENCODE_BECOMING_READY,
2480                                   ASENCODE_BECOMING_READY, 0, 0);
2481                         memcpy(scsicmd->sense_buffer,
2482                                &dev->fsa_dev[cid].sense_data,
2483                                min_t(size_t,
2484                                      sizeof(dev->fsa_dev[cid].sense_data),
2485                                      SCSI_SENSE_BUFFERSIZE));
2486                         scsicmd->scsi_done(scsicmd);
2487                         return 0;
2488                 }
2489                 /* FALLTHRU */
2490         case RESERVE:
2491         case RELEASE:
2492         case REZERO_UNIT:
2493         case REASSIGN_BLOCKS:
2494         case SEEK_10:
2495                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2496                 scsicmd->scsi_done(scsicmd);
2497                 return 0;
2498
2499         case START_STOP:
2500                 return aac_start_stop(scsicmd);
2501         }
2502
2503         switch (scsicmd->cmnd[0])
2504         {
2505                 case READ_6:
2506                 case READ_10:
2507                 case READ_12:
2508                 case READ_16:
2509                         if (dev->in_reset)
2510                                 return -1;
2511                         /*
2512                          *      Hack to keep track of ordinal number of the device that
2513                          *      corresponds to a container. Needed to convert
2514                          *      containers to /dev/sd device names
2515                          */
2516
2517                         if (scsicmd->request->rq_disk)
2518                                 strlcpy(fsa_dev_ptr[cid].devname,
2519                                 scsicmd->request->rq_disk->disk_name,
2520                                 min(sizeof(fsa_dev_ptr[cid].devname),
2521                                 sizeof(scsicmd->request->rq_disk->disk_name) + 1));
2522
2523                         return aac_read(scsicmd);
2524
2525                 case WRITE_6:
2526                 case WRITE_10:
2527                 case WRITE_12:
2528                 case WRITE_16:
2529                         if (dev->in_reset)
2530                                 return -1;
2531                         return aac_write(scsicmd);
2532
2533                 case SYNCHRONIZE_CACHE:
2534                         if (((aac_cache & 6) == 6) && dev->cache_protected) {
2535                                 scsicmd->result = DID_OK << 16 |
2536                                         COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2537                                 scsicmd->scsi_done(scsicmd);
2538                                 return 0;
2539                         }
2540                         /* Issue FIB to tell Firmware to flush it's cache */
2541                         if ((aac_cache & 6) != 2)
2542                                 return aac_synchronize(scsicmd);
2543                         /* FALLTHRU */
2544                 default:
2545                         /*
2546                          *      Unhandled commands
2547                          */
2548                         dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]));
2549                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2550                         set_sense(&dev->fsa_dev[cid].sense_data,
2551                           ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2552                           ASENCODE_INVALID_COMMAND, 0, 0);
2553                         memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2554                                 min_t(size_t,
2555                                       sizeof(dev->fsa_dev[cid].sense_data),
2556                                       SCSI_SENSE_BUFFERSIZE));
2557                         scsicmd->scsi_done(scsicmd);
2558                         return 0;
2559         }
2560 }
2561
2562 static int query_disk(struct aac_dev *dev, void __user *arg)
2563 {
2564         struct aac_query_disk qd;
2565         struct fsa_dev_info *fsa_dev_ptr;
2566
2567         fsa_dev_ptr = dev->fsa_dev;
2568         if (!fsa_dev_ptr)
2569                 return -EBUSY;
2570         if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
2571                 return -EFAULT;
2572         if (qd.cnum == -1)
2573                 qd.cnum = qd.id;
2574         else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
2575         {
2576                 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
2577                         return -EINVAL;
2578                 qd.instance = dev->scsi_host_ptr->host_no;
2579                 qd.bus = 0;
2580                 qd.id = CONTAINER_TO_ID(qd.cnum);
2581                 qd.lun = CONTAINER_TO_LUN(qd.cnum);
2582         }
2583         else return -EINVAL;
2584
2585         qd.valid = fsa_dev_ptr[qd.cnum].valid != 0;
2586         qd.locked = fsa_dev_ptr[qd.cnum].locked;
2587         qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
2588
2589         if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
2590                 qd.unmapped = 1;
2591         else
2592                 qd.unmapped = 0;
2593
2594         strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
2595           min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
2596
2597         if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
2598                 return -EFAULT;
2599         return 0;
2600 }
2601
2602 static int force_delete_disk(struct aac_dev *dev, void __user *arg)
2603 {
2604         struct aac_delete_disk dd;
2605         struct fsa_dev_info *fsa_dev_ptr;
2606
2607         fsa_dev_ptr = dev->fsa_dev;
2608         if (!fsa_dev_ptr)
2609                 return -EBUSY;
2610
2611         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2612                 return -EFAULT;
2613
2614         if (dd.cnum >= dev->maximum_num_containers)
2615                 return -EINVAL;
2616         /*
2617          *      Mark this container as being deleted.
2618          */
2619         fsa_dev_ptr[dd.cnum].deleted = 1;
2620         /*
2621          *      Mark the container as no longer valid
2622          */
2623         fsa_dev_ptr[dd.cnum].valid = 0;
2624         return 0;
2625 }
2626
2627 static int delete_disk(struct aac_dev *dev, void __user *arg)
2628 {
2629         struct aac_delete_disk dd;
2630         struct fsa_dev_info *fsa_dev_ptr;
2631
2632         fsa_dev_ptr = dev->fsa_dev;
2633         if (!fsa_dev_ptr)
2634                 return -EBUSY;
2635
2636         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2637                 return -EFAULT;
2638
2639         if (dd.cnum >= dev->maximum_num_containers)
2640                 return -EINVAL;
2641         /*
2642          *      If the container is locked, it can not be deleted by the API.
2643          */
2644         if (fsa_dev_ptr[dd.cnum].locked)
2645                 return -EBUSY;
2646         else {
2647                 /*
2648                  *      Mark the container as no longer being valid.
2649                  */
2650                 fsa_dev_ptr[dd.cnum].valid = 0;
2651                 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
2652                 return 0;
2653         }
2654 }
2655
2656 int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
2657 {
2658         switch (cmd) {
2659         case FSACTL_QUERY_DISK:
2660                 return query_disk(dev, arg);
2661         case FSACTL_DELETE_DISK:
2662                 return delete_disk(dev, arg);
2663         case FSACTL_FORCE_DELETE_DISK:
2664                 return force_delete_disk(dev, arg);
2665         case FSACTL_GET_CONTAINERS:
2666                 return aac_get_containers(dev);
2667         default:
2668                 return -ENOTTY;
2669         }
2670 }
2671
2672 /**
2673  *
2674  * aac_srb_callback
2675  * @context: the context set in the fib - here it is scsi cmd
2676  * @fibptr: pointer to the fib
2677  *
2678  * Handles the completion of a scsi command to a non dasd device
2679  *
2680  */
2681
2682 static void aac_srb_callback(void *context, struct fib * fibptr)
2683 {
2684         struct aac_dev *dev;
2685         struct aac_srb_reply *srbreply;
2686         struct scsi_cmnd *scsicmd;
2687
2688         scsicmd = (struct scsi_cmnd *) context;
2689
2690         if (!aac_valid_context(scsicmd, fibptr))
2691                 return;
2692
2693         BUG_ON(fibptr == NULL);
2694
2695         dev = fibptr->dev;
2696
2697         srbreply = (struct aac_srb_reply *) fib_data(fibptr);
2698
2699         scsicmd->sense_buffer[0] = '\0';  /* Initialize sense valid flag to false */
2700
2701         if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) {
2702                 /* fast response */
2703                 srbreply->srb_status = cpu_to_le32(SRB_STATUS_SUCCESS);
2704                 srbreply->scsi_status = cpu_to_le32(SAM_STAT_GOOD);
2705         } else {
2706                 /*
2707                  *      Calculate resid for sg
2708                  */
2709                 scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
2710                                    - le32_to_cpu(srbreply->data_xfer_length));
2711         }
2712
2713         scsi_dma_unmap(scsicmd);
2714
2715         /* expose physical device if expose_physicald flag is on */
2716         if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01)
2717           && expose_physicals > 0)
2718                 aac_expose_phy_device(scsicmd);
2719
2720         /*
2721          * First check the fib status
2722          */
2723
2724         if (le32_to_cpu(srbreply->status) != ST_OK){
2725                 int len;
2726                 printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
2727                 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
2728                             SCSI_SENSE_BUFFERSIZE);
2729                 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2730                 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2731         }
2732
2733         /*
2734          * Next check the srb status
2735          */
2736         switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
2737         case SRB_STATUS_ERROR_RECOVERY:
2738         case SRB_STATUS_PENDING:
2739         case SRB_STATUS_SUCCESS:
2740                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2741                 break;
2742         case SRB_STATUS_DATA_OVERRUN:
2743                 switch(scsicmd->cmnd[0]){
2744                 case  READ_6:
2745                 case  WRITE_6:
2746                 case  READ_10:
2747                 case  WRITE_10:
2748                 case  READ_12:
2749                 case  WRITE_12:
2750                 case  READ_16:
2751                 case  WRITE_16:
2752                         if (le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow) {
2753                                 printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
2754                         } else {
2755                                 printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
2756                         }
2757                         scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2758                         break;
2759                 case INQUIRY: {
2760                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2761                         break;
2762                 }
2763                 default:
2764                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2765                         break;
2766                 }
2767                 break;
2768         case SRB_STATUS_ABORTED:
2769                 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
2770                 break;
2771         case SRB_STATUS_ABORT_FAILED:
2772                 // Not sure about this one - but assuming the hba was trying to abort for some reason
2773                 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
2774                 break;
2775         case SRB_STATUS_PARITY_ERROR:
2776                 scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
2777                 break;
2778         case SRB_STATUS_NO_DEVICE:
2779         case SRB_STATUS_INVALID_PATH_ID:
2780         case SRB_STATUS_INVALID_TARGET_ID:
2781         case SRB_STATUS_INVALID_LUN:
2782         case SRB_STATUS_SELECTION_TIMEOUT:
2783                 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
2784                 break;
2785
2786         case SRB_STATUS_COMMAND_TIMEOUT:
2787         case SRB_STATUS_TIMEOUT:
2788                 scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
2789                 break;
2790
2791         case SRB_STATUS_BUSY:
2792                 scsicmd->result = DID_BUS_BUSY << 16 | COMMAND_COMPLETE << 8;
2793                 break;
2794
2795         case SRB_STATUS_BUS_RESET:
2796                 scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
2797                 break;
2798
2799         case SRB_STATUS_MESSAGE_REJECTED:
2800                 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
2801                 break;
2802         case SRB_STATUS_REQUEST_FLUSHED:
2803         case SRB_STATUS_ERROR:
2804         case SRB_STATUS_INVALID_REQUEST:
2805         case SRB_STATUS_REQUEST_SENSE_FAILED:
2806         case SRB_STATUS_NO_HBA:
2807         case SRB_STATUS_UNEXPECTED_BUS_FREE:
2808         case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
2809         case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
2810         case SRB_STATUS_DELAYED_RETRY:
2811         case SRB_STATUS_BAD_FUNCTION:
2812         case SRB_STATUS_NOT_STARTED:
2813         case SRB_STATUS_NOT_IN_USE:
2814         case SRB_STATUS_FORCE_ABORT:
2815         case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
2816         default:
2817 #ifdef AAC_DETAILED_STATUS_INFO
2818                 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
2819                         le32_to_cpu(srbreply->srb_status) & 0x3F,
2820                         aac_get_status_string(
2821                                 le32_to_cpu(srbreply->srb_status) & 0x3F),
2822                         scsicmd->cmnd[0],
2823                         le32_to_cpu(srbreply->scsi_status));
2824 #endif
2825                 if ((scsicmd->cmnd[0] == ATA_12)
2826                   || (scsicmd->cmnd[0] == ATA_16)) {
2827                         if (scsicmd->cmnd[2] & (0x01 << 5)) {
2828                                 scsicmd->result = DID_OK << 16
2829                                                 | COMMAND_COMPLETE << 8;
2830                                 break;
2831                         } else {
2832                                 scsicmd->result = DID_ERROR << 16
2833                                                 | COMMAND_COMPLETE << 8;
2834                                 break;
2835                         }
2836                 } else {
2837                         scsicmd->result = DID_ERROR << 16
2838                                         | COMMAND_COMPLETE << 8;
2839                         break;
2840                 }
2841         }
2842         if (le32_to_cpu(srbreply->scsi_status) == SAM_STAT_CHECK_CONDITION) {
2843                 int len;
2844                 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
2845                 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
2846                             SCSI_SENSE_BUFFERSIZE);
2847 #ifdef AAC_DETAILED_STATUS_INFO
2848                 printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
2849                                         le32_to_cpu(srbreply->status), len);
2850 #endif
2851                 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2852         }
2853         /*
2854          * OR in the scsi status (already shifted up a bit)
2855          */
2856         scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
2857
2858         aac_fib_complete(fibptr);
2859         aac_fib_free(fibptr);
2860         scsicmd->scsi_done(scsicmd);
2861 }
2862
2863 /**
2864  *
2865  * aac_send_scb_fib
2866  * @scsicmd: the scsi command block
2867  *
2868  * This routine will form a FIB and fill in the aac_srb from the
2869  * scsicmd passed in.
2870  */
2871
2872 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
2873 {
2874         struct fib* cmd_fibcontext;
2875         struct aac_dev* dev;
2876         int status;
2877
2878         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2879         if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
2880                         scsicmd->device->lun > 7) {
2881                 scsicmd->result = DID_NO_CONNECT << 16;
2882                 scsicmd->scsi_done(scsicmd);
2883                 return 0;
2884         }
2885
2886         /*
2887          *      Allocate and initialize a Fib then setup a BlockWrite command
2888          */
2889         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
2890                 return -1;
2891         }
2892         status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
2893
2894         /*
2895          *      Check that the command queued to the controller
2896          */
2897         if (status == -EINPROGRESS) {
2898                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2899                 return 0;
2900         }
2901
2902         printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
2903         aac_fib_complete(cmd_fibcontext);
2904         aac_fib_free(cmd_fibcontext);
2905
2906         return -1;
2907 }
2908
2909 static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *psg)
2910 {
2911         struct aac_dev *dev;
2912         unsigned long byte_count = 0;
2913         int nseg;
2914
2915         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2916         // Get rid of old data
2917         psg->count = 0;
2918         psg->sg[0].addr = 0;
2919         psg->sg[0].count = 0;
2920
2921         nseg = scsi_dma_map(scsicmd);
2922         if (nseg < 0)
2923                 return nseg;
2924         if (nseg) {
2925                 struct scatterlist *sg;
2926                 int i;
2927
2928                 psg->count = cpu_to_le32(nseg);
2929
2930                 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2931                         psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
2932                         psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
2933                         byte_count += sg_dma_len(sg);
2934                 }
2935                 /* hba wants the size to be exact */
2936                 if (byte_count > scsi_bufflen(scsicmd)) {
2937                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2938                                 (byte_count - scsi_bufflen(scsicmd));
2939                         psg->sg[i-1].count = cpu_to_le32(temp);
2940                         byte_count = scsi_bufflen(scsicmd);
2941                 }
2942                 /* Check for command underflow */
2943                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2944                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2945                                         byte_count, scsicmd->underflow);
2946                 }
2947         }
2948         return byte_count;
2949 }
2950
2951
2952 static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg)
2953 {
2954         struct aac_dev *dev;
2955         unsigned long byte_count = 0;
2956         u64 addr;
2957         int nseg;
2958
2959         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2960         // Get rid of old data
2961         psg->count = 0;
2962         psg->sg[0].addr[0] = 0;
2963         psg->sg[0].addr[1] = 0;
2964         psg->sg[0].count = 0;
2965
2966         nseg = scsi_dma_map(scsicmd);
2967         if (nseg < 0)
2968                 return nseg;
2969         if (nseg) {
2970                 struct scatterlist *sg;
2971                 int i;
2972
2973                 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2974                         int count = sg_dma_len(sg);
2975                         addr = sg_dma_address(sg);
2976                         psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
2977                         psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
2978                         psg->sg[i].count = cpu_to_le32(count);
2979                         byte_count += count;
2980                 }
2981                 psg->count = cpu_to_le32(nseg);
2982                 /* hba wants the size to be exact */
2983                 if (byte_count > scsi_bufflen(scsicmd)) {
2984                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2985                                 (byte_count - scsi_bufflen(scsicmd));
2986                         psg->sg[i-1].count = cpu_to_le32(temp);
2987                         byte_count = scsi_bufflen(scsicmd);
2988                 }
2989                 /* Check for command underflow */
2990                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2991                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2992                                         byte_count, scsicmd->underflow);
2993                 }
2994         }
2995         return byte_count;
2996 }
2997
2998 static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg)
2999 {
3000         unsigned long byte_count = 0;
3001         int nseg;
3002
3003         // Get rid of old data
3004         psg->count = 0;
3005         psg->sg[0].next = 0;
3006         psg->sg[0].prev = 0;
3007         psg->sg[0].addr[0] = 0;
3008         psg->sg[0].addr[1] = 0;
3009         psg->sg[0].count = 0;
3010         psg->sg[0].flags = 0;
3011
3012         nseg = scsi_dma_map(scsicmd);
3013         if (nseg < 0)
3014                 return nseg;
3015         if (nseg) {
3016                 struct scatterlist *sg;
3017                 int i;
3018
3019                 scsi_for_each_sg(scsicmd, sg, nseg, i) {
3020                         int count = sg_dma_len(sg);
3021                         u64 addr = sg_dma_address(sg);
3022                         psg->sg[i].next = 0;
3023                         psg->sg[i].prev = 0;
3024                         psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
3025                         psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
3026                         psg->sg[i].count = cpu_to_le32(count);
3027                         psg->sg[i].flags = 0;
3028                         byte_count += count;
3029                 }
3030                 psg->count = cpu_to_le32(nseg);
3031                 /* hba wants the size to be exact */
3032                 if (byte_count > scsi_bufflen(scsicmd)) {
3033                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3034                                 (byte_count - scsi_bufflen(scsicmd));
3035                         psg->sg[i-1].count = cpu_to_le32(temp);
3036                         byte_count = scsi_bufflen(scsicmd);
3037                 }
3038                 /* Check for command underflow */
3039                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
3040                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3041                                         byte_count, scsicmd->underflow);
3042                 }
3043         }
3044         return byte_count;
3045 }
3046
3047 static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
3048                                 struct aac_raw_io2 *rio2, int sg_max)
3049 {
3050         unsigned long byte_count = 0;
3051         int nseg;
3052
3053         nseg = scsi_dma_map(scsicmd);
3054         if (nseg < 0)
3055                 return nseg;
3056         if (nseg) {
3057                 struct scatterlist *sg;
3058                 int i, conformable = 0;
3059                 u32 min_size = PAGE_SIZE, cur_size;
3060
3061                 scsi_for_each_sg(scsicmd, sg, nseg, i) {
3062                         int count = sg_dma_len(sg);
3063                         u64 addr = sg_dma_address(sg);
3064
3065                         BUG_ON(i >= sg_max);
3066                         rio2->sge[i].addrHigh = cpu_to_le32((u32)(addr>>32));
3067                         rio2->sge[i].addrLow = cpu_to_le32((u32)(addr & 0xffffffff));
3068                         cur_size = cpu_to_le32(count);
3069                         rio2->sge[i].length = cur_size;
3070                         rio2->sge[i].flags = 0;
3071                         if (i == 0) {
3072                                 conformable = 1;
3073                                 rio2->sgeFirstSize = cur_size;
3074                         } else if (i == 1) {
3075                                 rio2->sgeNominalSize = cur_size;
3076                                 min_size = cur_size;
3077                         } else if ((i+1) < nseg && cur_size != rio2->sgeNominalSize) {
3078                                 conformable = 0;
3079                                 if (cur_size < min_size)
3080                                         min_size = cur_size;
3081                         }
3082                         byte_count += count;
3083                 }
3084
3085                 /* hba wants the size to be exact */
3086                 if (byte_count > scsi_bufflen(scsicmd)) {
3087                         u32 temp = le32_to_cpu(rio2->sge[i-1].length) -
3088                                 (byte_count - scsi_bufflen(scsicmd));
3089                         rio2->sge[i-1].length = cpu_to_le32(temp);
3090                         byte_count = scsi_bufflen(scsicmd);
3091                 }
3092
3093                 rio2->sgeCnt = cpu_to_le32(nseg);
3094                 rio2->flags |= cpu_to_le16(RIO2_SG_FORMAT_IEEE1212);
3095                 /* not conformable: evaluate required sg elements */
3096                 if (!conformable) {
3097                         int j, nseg_new = nseg, err_found;
3098                         for (i = min_size / PAGE_SIZE; i >= 1; --i) {
3099                                 err_found = 0;
3100                                 nseg_new = 2;
3101                                 for (j = 1; j < nseg - 1; ++j) {
3102                                         if (rio2->sge[j].length % (i*PAGE_SIZE)) {
3103                                                 err_found = 1;
3104                                                 break;
3105                                         }
3106                                         nseg_new += (rio2->sge[j].length / (i*PAGE_SIZE));
3107                                 }
3108                                 if (!err_found)
3109                                         break;
3110                         }
3111                         if (i > 0 && nseg_new <= sg_max)
3112                                 aac_convert_sgraw2(rio2, i, nseg, nseg_new);
3113                 } else
3114                         rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
3115
3116                 /* Check for command underflow */
3117                 if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
3118                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3119                                         byte_count, scsicmd->underflow);
3120                 }
3121         }
3122
3123         return byte_count;
3124 }
3125
3126 static int aac_convert_sgraw2(struct aac_raw_io2 *rio2, int pages, int nseg, int nseg_new)
3127 {
3128         struct sge_ieee1212 *sge;
3129         int i, j, pos;
3130         u32 addr_low;
3131
3132         if (aac_convert_sgl == 0)
3133                 return 0;
3134
3135         sge = kmalloc(nseg_new * sizeof(struct sge_ieee1212), GFP_ATOMIC);
3136         if (sge == NULL)
3137                 return -1;
3138
3139         for (i = 1, pos = 1; i < nseg-1; ++i) {
3140                 for (j = 0; j < rio2->sge[i].length / (pages * PAGE_SIZE); ++j) {
3141                         addr_low = rio2->sge[i].addrLow + j * pages * PAGE_SIZE;
3142                         sge[pos].addrLow = addr_low;
3143                         sge[pos].addrHigh = rio2->sge[i].addrHigh;
3144                         if (addr_low < rio2->sge[i].addrLow)
3145                                 sge[pos].addrHigh++;
3146                         sge[pos].length = pages * PAGE_SIZE;
3147                         sge[pos].flags = 0;
3148                         pos++;
3149                 }
3150         }
3151         sge[pos] = rio2->sge[nseg-1];
3152         memcpy(&rio2->sge[1], &sge[1], (nseg_new-1)*sizeof(struct sge_ieee1212));
3153
3154         kfree(sge);
3155         rio2->sgeCnt = cpu_to_le32(nseg_new);
3156         rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
3157         rio2->sgeNominalSize = pages * PAGE_SIZE;
3158         return 0;
3159 }
3160
3161 #ifdef AAC_DETAILED_STATUS_INFO
3162
3163 struct aac_srb_status_info {
3164         u32     status;
3165         char    *str;
3166 };
3167
3168
3169 static struct aac_srb_status_info srb_status_info[] = {
3170         { SRB_STATUS_PENDING,           "Pending Status"},
3171         { SRB_STATUS_SUCCESS,           "Success"},
3172         { SRB_STATUS_ABORTED,           "Aborted Command"},
3173         { SRB_STATUS_ABORT_FAILED,      "Abort Failed"},
3174         { SRB_STATUS_ERROR,             "Error Event"},
3175         { SRB_STATUS_BUSY,              "Device Busy"},
3176         { SRB_STATUS_INVALID_REQUEST,   "Invalid Request"},
3177         { SRB_STATUS_INVALID_PATH_ID,   "Invalid Path ID"},
3178         { SRB_STATUS_NO_DEVICE,         "No Device"},
3179         { SRB_STATUS_TIMEOUT,           "Timeout"},
3180         { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
3181         { SRB_STATUS_COMMAND_TIMEOUT,   "Command Timeout"},
3182         { SRB_STATUS_MESSAGE_REJECTED,  "Message Rejected"},
3183         { SRB_STATUS_BUS_RESET,         "Bus Reset"},
3184         { SRB_STATUS_PARITY_ERROR,      "Parity Error"},
3185         { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
3186         { SRB_STATUS_NO_HBA,            "No HBA"},
3187         { SRB_STATUS_DATA_OVERRUN,      "Data Overrun/Data Underrun"},
3188         { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
3189         { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
3190         { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
3191         { SRB_STATUS_REQUEST_FLUSHED,   "Request Flushed"},
3192         { SRB_STATUS_DELAYED_RETRY,     "Delayed Retry"},
3193         { SRB_STATUS_INVALID_LUN,       "Invalid LUN"},
3194         { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
3195         { SRB_STATUS_BAD_FUNCTION,      "Bad Function"},
3196         { SRB_STATUS_ERROR_RECOVERY,    "Error Recovery"},
3197         { SRB_STATUS_NOT_STARTED,       "Not Started"},
3198         { SRB_STATUS_NOT_IN_USE,        "Not In Use"},
3199         { SRB_STATUS_FORCE_ABORT,       "Force Abort"},
3200         { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
3201         { 0xff,                         "Unknown Error"}
3202 };
3203
3204 char *aac_get_status_string(u32 status)
3205 {
3206         int i;
3207
3208         for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
3209                 if (srb_status_info[i].status == status)
3210                         return srb_status_info[i].str;
3211
3212         return "Bad Status Code";
3213 }
3214
3215 #endif