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