git.oblomov.eu Git - linux-2.6/blob - drivers/scsi/aacraid/aachba.c

   1 /*
   2  *      Adaptec AAC series RAID controller driver
   3  *      (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
   4  *
   5  * based on the old aacraid driver that is..
   6  * Adaptec aacraid device driver for Linux.
   7  *
   8  * Copyright (c) 2000 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/sched.h>
  30 #include <linux/pci.h>
  31 #include <linux/spinlock.h>
  32 #include <linux/slab.h>
  33 #include <linux/completion.h>
  34 #include <linux/blkdev.h>
  35 #include <linux/dma-mapping.h>
  36 #include <asm/semaphore.h>
  37 #include <asm/uaccess.h>
  38
  39 #include <scsi/scsi.h>
  40 #include <scsi/scsi_cmnd.h>
  41 #include <scsi/scsi_device.h>
  42 #include <scsi/scsi_host.h>
  43
  44 #include "aacraid.h"
  45
  46 /* values for inqd_pdt: Peripheral device type in plain English */
  47 #define INQD_PDT_DA     0x00    /* Direct-access (DISK) device */
  48 #define INQD_PDT_PROC   0x03    /* Processor device */
  49 #define INQD_PDT_CHNGR  0x08    /* Changer (jukebox, scsi2) */
  50 #define INQD_PDT_COMM   0x09    /* Communication device (scsi2) */
  51 #define INQD_PDT_NOLUN2 0x1f    /* Unknown Device (scsi2) */
  52 #define INQD_PDT_NOLUN  0x7f    /* Logical Unit Not Present */
  53
  54 #define INQD_PDT_DMASK  0x1F    /* Peripheral Device Type Mask */
  55 #define INQD_PDT_QMASK  0xE0    /* Peripheral Device Qualifer Mask */
  56
  57 /*
  58  *      Sense codes
  59  */
  60
  61 #define SENCODE_NO_SENSE                        0x00
  62 #define SENCODE_END_OF_DATA                     0x00
  63 #define SENCODE_BECOMING_READY                  0x04
  64 #define SENCODE_INIT_CMD_REQUIRED               0x04
  65 #define SENCODE_PARAM_LIST_LENGTH_ERROR         0x1A
  66 #define SENCODE_INVALID_COMMAND                 0x20
  67 #define SENCODE_LBA_OUT_OF_RANGE                0x21
  68 #define SENCODE_INVALID_CDB_FIELD               0x24
  69 #define SENCODE_LUN_NOT_SUPPORTED               0x25
  70 #define SENCODE_INVALID_PARAM_FIELD             0x26
  71 #define SENCODE_PARAM_NOT_SUPPORTED             0x26
  72 #define SENCODE_PARAM_VALUE_INVALID             0x26
  73 #define SENCODE_RESET_OCCURRED                  0x29
  74 #define SENCODE_LUN_NOT_SELF_CONFIGURED_YET     0x3E
  75 #define SENCODE_INQUIRY_DATA_CHANGED            0x3F
  76 #define SENCODE_SAVING_PARAMS_NOT_SUPPORTED     0x39
  77 #define SENCODE_DIAGNOSTIC_FAILURE              0x40
  78 #define SENCODE_INTERNAL_TARGET_FAILURE         0x44
  79 #define SENCODE_INVALID_MESSAGE_ERROR           0x49
  80 #define SENCODE_LUN_FAILED_SELF_CONFIG          0x4c
  81 #define SENCODE_OVERLAPPED_COMMAND              0x4E
  82
  83 /*
  84  *      Additional sense codes
  85  */
  86
  87 #define ASENCODE_NO_SENSE                       0x00
  88 #define ASENCODE_END_OF_DATA                    0x05
  89 #define ASENCODE_BECOMING_READY                 0x01
  90 #define ASENCODE_INIT_CMD_REQUIRED              0x02
  91 #define ASENCODE_PARAM_LIST_LENGTH_ERROR        0x00
  92 #define ASENCODE_INVALID_COMMAND                0x00
  93 #define ASENCODE_LBA_OUT_OF_RANGE               0x00
  94 #define ASENCODE_INVALID_CDB_FIELD              0x00
  95 #define ASENCODE_LUN_NOT_SUPPORTED              0x00
  96 #define ASENCODE_INVALID_PARAM_FIELD            0x00
  97 #define ASENCODE_PARAM_NOT_SUPPORTED            0x01
  98 #define ASENCODE_PARAM_VALUE_INVALID            0x02
  99 #define ASENCODE_RESET_OCCURRED                 0x00
 100 #define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET    0x00
 101 #define ASENCODE_INQUIRY_DATA_CHANGED           0x03
 102 #define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED    0x00
 103 #define ASENCODE_DIAGNOSTIC_FAILURE             0x80
 104 #define ASENCODE_INTERNAL_TARGET_FAILURE        0x00
 105 #define ASENCODE_INVALID_MESSAGE_ERROR          0x00
 106 #define ASENCODE_LUN_FAILED_SELF_CONFIG         0x00
 107 #define ASENCODE_OVERLAPPED_COMMAND             0x00
 108
 109 #define BYTE0(x) (unsigned char)(x)
 110 #define BYTE1(x) (unsigned char)((x) >> 8)
 111 #define BYTE2(x) (unsigned char)((x) >> 16)
 112 #define BYTE3(x) (unsigned char)((x) >> 24)
 113
 114 /*------------------------------------------------------------------------------
 115  *              S T R U C T S / T Y P E D E F S
 116  *----------------------------------------------------------------------------*/
 117 /* SCSI inquiry data */
 118 struct inquiry_data {
 119         u8 inqd_pdt;    /* Peripheral qualifier | Peripheral Device Type  */
 120         u8 inqd_dtq;    /* RMB | Device Type Qualifier  */
 121         u8 inqd_ver;    /* ISO version | ECMA version | ANSI-approved version */
 122         u8 inqd_rdf;    /* AENC | TrmIOP | Response data format */
 123         u8 inqd_len;    /* Additional length (n-4) */
 124         u8 inqd_pad1[2];/* Reserved - must be zero */
 125         u8 inqd_pad2;   /* RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
 126         u8 inqd_vid[8]; /* Vendor ID */
 127         u8 inqd_pid[16];/* Product ID */
 128         u8 inqd_prl[4]; /* Product Revision Level */
 129 };
 130
 131 /*
 132  *              M O D U L E   G L O B A L S
 133  */
 134
 135 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap);
 136 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg);
 137 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg);
 138 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
 139 #ifdef AAC_DETAILED_STATUS_INFO
 140 static char *aac_get_status_string(u32 status);
 141 #endif
 142
 143 /*
 144  *      Non dasd selection is handled entirely in aachba now
 145  */
 146
 147 static int nondasd = -1;
 148 static int dacmode = -1;
 149
 150 static int commit = -1;
 151
 152 module_param(nondasd, int, S_IRUGO|S_IWUSR);
 153 MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on");
 154 module_param(dacmode, int, S_IRUGO|S_IWUSR);
 155 MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC. 0=off, 1=on");
 156 module_param(commit, int, S_IRUGO|S_IWUSR);
 157 MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the adapter for foreign arrays.\nThis is typically needed in systems that do not have a BIOS. 0=off, 1=on");
 158
 159 int numacb = -1;
 160 module_param(numacb, int, S_IRUGO|S_IWUSR);
 161 MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control blocks (FIB) allocated. Valid values are 512 and down. Default is to use suggestion from Firmware.");
 162
 163 int acbsize = -1;
 164 module_param(acbsize, int, S_IRUGO|S_IWUSR);
 165 MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB) size. Valid values are 512, 2048, 4096 and 8192. Default is to use suggestion from Firmware.");
 166 /**
 167  *      aac_get_config_status   -       check the adapter configuration
 168  *      @common: adapter to query
 169  *
 170  *      Query config status, and commit the configuration if needed.
 171  */
 172 int aac_get_config_status(struct aac_dev *dev)
 173 {
 174         int status = 0;
 175         struct fib * fibptr;
 176
 177         if (!(fibptr = aac_fib_alloc(dev)))
 178                 return -ENOMEM;
 179
 180         aac_fib_init(fibptr);
 181         {
 182                 struct aac_get_config_status *dinfo;
 183                 dinfo = (struct aac_get_config_status *) fib_data(fibptr);
 184
 185                 dinfo->command = cpu_to_le32(VM_ContainerConfig);
 186                 dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
 187                 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
 188         }
 189
 190         status = aac_fib_send(ContainerCommand,
 191                             fibptr,
 192                             sizeof (struct aac_get_config_status),
 193                             FsaNormal,
 194                             1, 1,
 195                             NULL, NULL);
 196         if (status < 0 ) {
 197                 printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
 198         } else {
 199                 struct aac_get_config_status_resp *reply
 200                   = (struct aac_get_config_status_resp *) fib_data(fibptr);
 201                 dprintk((KERN_WARNING
 202                   "aac_get_config_status: response=%d status=%d action=%d\n",
 203                   le32_to_cpu(reply->response),
 204                   le32_to_cpu(reply->status),
 205                   le32_to_cpu(reply->data.action)));
 206                 if ((le32_to_cpu(reply->response) != ST_OK) ||
 207                      (le32_to_cpu(reply->status) != CT_OK) ||
 208                      (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
 209                         printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
 210                         status = -EINVAL;
 211                 }
 212         }
 213         aac_fib_complete(fibptr);
 214         /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
 215         if (status >= 0) {
 216                 if (commit == 1) {
 217                         struct aac_commit_config * dinfo;
 218                         aac_fib_init(fibptr);
 219                         dinfo = (struct aac_commit_config *) fib_data(fibptr);
 220
 221                         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 222                         dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
 223
 224                         status = aac_fib_send(ContainerCommand,
 225                                     fibptr,
 226                                     sizeof (struct aac_commit_config),
 227                                     FsaNormal,
 228                                     1, 1,
 229                                     NULL, NULL);
 230                         aac_fib_complete(fibptr);
 231                 } else if (commit == 0) {
 232                         printk(KERN_WARNING
 233                           "aac_get_config_status: Foreign device configurations are being ignored\n");
 234                 }
 235         }
 236         aac_fib_free(fibptr);
 237         return status;
 238 }
 239
 240 /**
 241  *      aac_get_containers      -       list containers
 242  *      @common: adapter to probe
 243  *
 244  *      Make a list of all containers on this controller
 245  */
 246 int aac_get_containers(struct aac_dev *dev)
 247 {
 248         struct fsa_dev_info *fsa_dev_ptr;
 249         u32 index;
 250         int status = 0;
 251         struct fib * fibptr;
 252         unsigned instance;
 253         struct aac_get_container_count *dinfo;
 254         struct aac_get_container_count_resp *dresp;
 255         int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 256
 257         instance = dev->scsi_host_ptr->unique_id;
 258
 259         if (!(fibptr = aac_fib_alloc(dev)))
 260                 return -ENOMEM;
 261
 262         aac_fib_init(fibptr);
 263         dinfo = (struct aac_get_container_count *) fib_data(fibptr);
 264         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 265         dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
 266
 267         status = aac_fib_send(ContainerCommand,
 268                     fibptr,
 269                     sizeof (struct aac_get_container_count),
 270                     FsaNormal,
 271                     1, 1,
 272                     NULL, NULL);
 273         if (status >= 0) {
 274                 dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
 275                 maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
 276                 aac_fib_complete(fibptr);
 277         }
 278
 279         if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
 280                 maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 281         fsa_dev_ptr = (struct fsa_dev_info *) kmalloc(
 282           sizeof(*fsa_dev_ptr) * maximum_num_containers, GFP_KERNEL);
 283         if (!fsa_dev_ptr) {
 284                 aac_fib_free(fibptr);
 285                 return -ENOMEM;
 286         }
 287         memset(fsa_dev_ptr, 0, sizeof(*fsa_dev_ptr) * maximum_num_containers);
 288
 289         dev->fsa_dev = fsa_dev_ptr;
 290         dev->maximum_num_containers = maximum_num_containers;
 291
 292         for (index = 0; index < dev->maximum_num_containers; index++) {
 293                 struct aac_query_mount *dinfo;
 294                 struct aac_mount *dresp;
 295
 296                 fsa_dev_ptr[index].devname[0] = '\0';
 297
 298                 aac_fib_init(fibptr);
 299                 dinfo = (struct aac_query_mount *) fib_data(fibptr);
 300
 301                 dinfo->command = cpu_to_le32(VM_NameServe);
 302                 dinfo->count = cpu_to_le32(index);
 303                 dinfo->type = cpu_to_le32(FT_FILESYS);
 304
 305                 status = aac_fib_send(ContainerCommand,
 306                                     fibptr,
 307                                     sizeof (struct aac_query_mount),
 308                                     FsaNormal,
 309                                     1, 1,
 310                                     NULL, NULL);
 311                 if (status < 0 ) {
 312                         printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
 313                         break;
 314                 }
 315                 dresp = (struct aac_mount *)fib_data(fibptr);
 316
 317                 if ((le32_to_cpu(dresp->status) == ST_OK) &&
 318                     (le32_to_cpu(dresp->mnt[0].vol) == CT_NONE)) {
 319                         dinfo->command = cpu_to_le32(VM_NameServe64);
 320                         dinfo->count = cpu_to_le32(index);
 321                         dinfo->type = cpu_to_le32(FT_FILESYS);
 322
 323                         if (aac_fib_send(ContainerCommand,
 324                                     fibptr,
 325                                     sizeof(struct aac_query_mount),
 326                                     FsaNormal,
 327                                     1, 1,
 328                                     NULL, NULL) < 0)
 329                                 continue;
 330                 } else
 331                         dresp->mnt[0].capacityhigh = 0;
 332
 333                 dprintk ((KERN_DEBUG
 334                   "VM_NameServe cid=%d status=%d vol=%d state=%d cap=%llu\n",
 335                   (int)index, (int)le32_to_cpu(dresp->status),
 336                   (int)le32_to_cpu(dresp->mnt[0].vol),
 337                   (int)le32_to_cpu(dresp->mnt[0].state),
 338                   ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
 339                     (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32)));
 340                 if ((le32_to_cpu(dresp->status) == ST_OK) &&
 341                     (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
 342                     (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
 343                         fsa_dev_ptr[index].valid = 1;
 344                         fsa_dev_ptr[index].type = le32_to_cpu(dresp->mnt[0].vol);
 345                         fsa_dev_ptr[index].size
 346                           = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
 347                             (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
 348                         if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY)
 349                                     fsa_dev_ptr[index].ro = 1;
 350                 }
 351                 aac_fib_complete(fibptr);
 352                 /*
 353                  *      If there are no more containers, then stop asking.
 354                  */
 355                 if ((index + 1) >= le32_to_cpu(dresp->count)){
 356                         break;
 357                 }
 358         }
 359         aac_fib_free(fibptr);
 360         return status;
 361 }
 362
 363 static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len)
 364 {
 365         void *buf;
 366         unsigned int transfer_len;
 367         struct scatterlist *sg = scsicmd->request_buffer;
 368
 369         if (scsicmd->use_sg) {
 370                 buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
 371                 transfer_len = min(sg->length, len + offset);
 372         } else {
 373                 buf = scsicmd->request_buffer;
 374                 transfer_len = min(scsicmd->request_bufflen, len + offset);
 375         }
 376
 377         memcpy(buf + offset, data, transfer_len - offset);
 378
 379         if (scsicmd->use_sg)
 380                 kunmap_atomic(buf - sg->offset, KM_IRQ0);
 381
 382 }
 383
 384 static void get_container_name_callback(void *context, struct fib * fibptr)
 385 {
 386         struct aac_get_name_resp * get_name_reply;
 387         struct scsi_cmnd * scsicmd;
 388
 389         scsicmd = (struct scsi_cmnd *) context;
 390         scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
 391
 392         dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
 393         if (fibptr == NULL)
 394                 BUG();
 395
 396         get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
 397         /* Failure is irrelevant, using default value instead */
 398         if ((le32_to_cpu(get_name_reply->status) == CT_OK)
 399          && (get_name_reply->data[0] != '\0')) {
 400                 char *sp = get_name_reply->data;
 401                 sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0';
 402                 while (*sp == ' ')
 403                         ++sp;
 404                 if (*sp) {
 405                         char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
 406                         int count = sizeof(d);
 407                         char *dp = d;
 408                         do {
 409                                 *dp++ = (*sp) ? *sp++ : ' ';
 410                         } while (--count > 0);
 411                         aac_internal_transfer(scsicmd, d,
 412                           offsetof(struct inquiry_data, inqd_pid), sizeof(d));
 413                 }
 414         }
 415
 416         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 417
 418         aac_fib_complete(fibptr);
 419         aac_fib_free(fibptr);
 420         scsicmd->scsi_done(scsicmd);
 421 }
 422
 423 /**
 424  *      aac_get_container_name  -       get container name, none blocking.
 425  */
 426 static int aac_get_container_name(struct scsi_cmnd * scsicmd, int cid)
 427 {
 428         int status;
 429         struct aac_get_name *dinfo;
 430         struct fib * cmd_fibcontext;
 431         struct aac_dev * dev;
 432
 433         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 434
 435         if (!(cmd_fibcontext = aac_fib_alloc(dev)))
 436                 return -ENOMEM;
 437
 438         aac_fib_init(cmd_fibcontext);
 439         dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
 440
 441         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 442         dinfo->type = cpu_to_le32(CT_READ_NAME);
 443         dinfo->cid = cpu_to_le32(cid);
 444         dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));
 445
 446         status = aac_fib_send(ContainerCommand,
 447                   cmd_fibcontext,
 448                   sizeof (struct aac_get_name),
 449                   FsaNormal,
 450                   0, 1,
 451                   (fib_callback) get_container_name_callback,
 452                   (void *) scsicmd);
 453
 454         /*
 455          *      Check that the command queued to the controller
 456          */
 457         if (status == -EINPROGRESS) {
 458                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 459                 return 0;
 460         }
 461
 462         printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
 463         aac_fib_complete(cmd_fibcontext);
 464         aac_fib_free(cmd_fibcontext);
 465         return -1;
 466 }
 467
 468 /**
 469  *      aac_probe_container             -       query a logical volume
 470  *      @dev: device to query
 471  *      @cid: container identifier
 472  *
 473  *      Queries the controller about the given volume. The volume information
 474  *      is updated in the struct fsa_dev_info structure rather than returned.
 475  */
 476
 477 int aac_probe_container(struct aac_dev *dev, int cid)
 478 {
 479         struct fsa_dev_info *fsa_dev_ptr;
 480         int status;
 481         struct aac_query_mount *dinfo;
 482         struct aac_mount *dresp;
 483         struct fib * fibptr;
 484         unsigned instance;
 485
 486         fsa_dev_ptr = dev->fsa_dev;
 487         instance = dev->scsi_host_ptr->unique_id;
 488
 489         if (!(fibptr = aac_fib_alloc(dev)))
 490                 return -ENOMEM;
 491
 492         aac_fib_init(fibptr);
 493
 494         dinfo = (struct aac_query_mount *)fib_data(fibptr);
 495
 496         dinfo->command = cpu_to_le32(VM_NameServe);
 497         dinfo->count = cpu_to_le32(cid);
 498         dinfo->type = cpu_to_le32(FT_FILESYS);
 499
 500         status = aac_fib_send(ContainerCommand,
 501                             fibptr,
 502                             sizeof(struct aac_query_mount),
 503                             FsaNormal,
 504                             1, 1,
 505                             NULL, NULL);
 506         if (status < 0) {
 507                 printk(KERN_WARNING "aacraid: aac_probe_container query failed.\n");
 508                 goto error;
 509         }
 510
 511         dresp = (struct aac_mount *) fib_data(fibptr);
 512
 513         if ((le32_to_cpu(dresp->status) == ST_OK) &&
 514             (le32_to_cpu(dresp->mnt[0].vol) == CT_NONE)) {
 515                 dinfo->command = cpu_to_le32(VM_NameServe64);
 516                 dinfo->count = cpu_to_le32(cid);
 517                 dinfo->type = cpu_to_le32(FT_FILESYS);
 518
 519                 if (aac_fib_send(ContainerCommand,
 520                             fibptr,
 521                             sizeof(struct aac_query_mount),
 522                             FsaNormal,
 523                             1, 1,
 524                             NULL, NULL) < 0)
 525                         goto error;
 526         } else
 527                 dresp->mnt[0].capacityhigh = 0;
 528
 529         if ((le32_to_cpu(dresp->status) == ST_OK) &&
 530             (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
 531             (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
 532                 fsa_dev_ptr[cid].valid = 1;
 533                 fsa_dev_ptr[cid].type = le32_to_cpu(dresp->mnt[0].vol);
 534                 fsa_dev_ptr[cid].size
 535                   = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
 536                     (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
 537                 if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY)
 538                         fsa_dev_ptr[cid].ro = 1;
 539         }
 540
 541 error:
 542         aac_fib_complete(fibptr);
 543         aac_fib_free(fibptr);
 544
 545         return status;
 546 }
 547
 548 /* Local Structure to set SCSI inquiry data strings */
 549 struct scsi_inq {
 550         char vid[8];         /* Vendor ID */
 551         char pid[16];        /* Product ID */
 552         char prl[4];         /* Product Revision Level */
 553 };
 554
 555 /**
 556  *      InqStrCopy      -       string merge
 557  *      @a:     string to copy from
 558  *      @b:     string to copy to
 559  *
 560  *      Copy a String from one location to another
 561  *      without copying \0
 562  */
 563
 564 static void inqstrcpy(char *a, char *b)
 565 {
 566
 567         while(*a != (char)0)
 568                 *b++ = *a++;
 569 }
 570
 571 static char *container_types[] = {
 572         "None",
 573         "Volume",
 574         "Mirror",
 575         "Stripe",
 576         "RAID5",
 577         "SSRW",
 578         "SSRO",
 579         "Morph",
 580         "Legacy",
 581         "RAID4",
 582         "RAID10",
 583         "RAID00",
 584         "V-MIRRORS",
 585         "PSEUDO R4",
 586         "RAID50",
 587         "RAID5D",
 588         "RAID5D0",
 589         "RAID1E",
 590         "RAID6",
 591         "RAID60",
 592         "Unknown"
 593 };
 594
 595
 596
 597 /* Function: setinqstr
 598  *
 599  * Arguments: [1] pointer to void [1] int
 600  *
 601  * Purpose: Sets SCSI inquiry data strings for vendor, product
 602  * and revision level. Allows strings to be set in platform dependant
 603  * files instead of in OS dependant driver source.
 604  */
 605
 606 static void setinqstr(struct aac_dev *dev, void *data, int tindex)
 607 {
 608         struct scsi_inq *str;
 609
 610         str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
 611         memset(str, ' ', sizeof(*str));
 612
 613         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 614                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 615                 int c = sizeof(str->vid);
 616                 while (*cp && *cp != ' ' && --c)
 617                         ++cp;
 618                 c = *cp;
 619                 *cp = '\0';
 620                 inqstrcpy (dev->supplement_adapter_info.AdapterTypeText,
 621                   str->vid);
 622                 *cp = c;
 623                 while (*cp && *cp != ' ')
 624                         ++cp;
 625                 while (*cp == ' ')
 626                         ++cp;
 627                 /* last six chars reserved for vol type */
 628                 c = 0;
 629                 if (strlen(cp) > sizeof(str->pid)) {
 630                         c = cp[sizeof(str->pid)];
 631                         cp[sizeof(str->pid)] = '\0';
 632                 }
 633                 inqstrcpy (cp, str->pid);
 634                 if (c)
 635                         cp[sizeof(str->pid)] = c;
 636         } else {
 637                 struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
 638
 639                 inqstrcpy (mp->vname, str->vid);
 640                 /* last six chars reserved for vol type */
 641                 inqstrcpy (mp->model, str->pid);
 642         }
 643
 644         if (tindex < (sizeof(container_types)/sizeof(char *))){
 645                 char *findit = str->pid;
 646
 647                 for ( ; *findit != ' '; findit++); /* walk till we find a space */
 648                 /* RAID is superfluous in the context of a RAID device */
 649                 if (memcmp(findit-4, "RAID", 4) == 0)
 650                         *(findit -= 4) = ' ';
 651                 if (((findit - str->pid) + strlen(container_types[tindex]))
 652                  < (sizeof(str->pid) + sizeof(str->prl)))
 653                         inqstrcpy (container_types[tindex], findit + 1);
 654         }
 655         inqstrcpy ("V1.0", str->prl);
 656 }
 657
 658 static void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code,
 659                       u8 a_sense_code, u8 incorrect_length,
 660                       u8 bit_pointer, u16 field_pointer,
 661                       u32 residue)
 662 {
 663         sense_buf[0] = 0xF0;    /* Sense data valid, err code 70h (current error) */
 664         sense_buf[1] = 0;       /* Segment number, always zero */
 665
 666         if (incorrect_length) {
 667                 sense_buf[2] = sense_key | 0x20;/* Set ILI bit | sense key */
 668                 sense_buf[3] = BYTE3(residue);
 669                 sense_buf[4] = BYTE2(residue);
 670                 sense_buf[5] = BYTE1(residue);
 671                 sense_buf[6] = BYTE0(residue);
 672         } else
 673                 sense_buf[2] = sense_key;       /* Sense key */
 674
 675         if (sense_key == ILLEGAL_REQUEST)
 676                 sense_buf[7] = 10;      /* Additional sense length */
 677         else
 678                 sense_buf[7] = 6;       /* Additional sense length */
 679
 680         sense_buf[12] = sense_code;     /* Additional sense code */
 681         sense_buf[13] = a_sense_code;   /* Additional sense code qualifier */
 682         if (sense_key == ILLEGAL_REQUEST) {
 683                 sense_buf[15] = 0;
 684
 685                 if (sense_code == SENCODE_INVALID_PARAM_FIELD)
 686                         sense_buf[15] = 0x80;/* Std sense key specific field */
 687                 /* Illegal parameter is in the parameter block */
 688
 689                 if (sense_code == SENCODE_INVALID_CDB_FIELD)
 690                         sense_buf[15] = 0xc0;/* Std sense key specific field */
 691                 /* Illegal parameter is in the CDB block */
 692                 sense_buf[15] |= bit_pointer;
 693                 sense_buf[16] = field_pointer >> 8;     /* MSB */
 694                 sense_buf[17] = field_pointer;          /* LSB */
 695         }
 696 }
 697
 698 int aac_get_adapter_info(struct aac_dev* dev)
 699 {
 700         struct fib* fibptr;
 701         int rcode;
 702         u32 tmp;
 703         struct aac_adapter_info *info;
 704         struct aac_bus_info *command;
 705         struct aac_bus_info_response *bus_info;
 706
 707         if (!(fibptr = aac_fib_alloc(dev)))
 708                 return -ENOMEM;
 709
 710         aac_fib_init(fibptr);
 711         info = (struct aac_adapter_info *) fib_data(fibptr);
 712         memset(info,0,sizeof(*info));
 713
 714         rcode = aac_fib_send(RequestAdapterInfo,
 715                          fibptr,
 716                          sizeof(*info),
 717                          FsaNormal,
 718                          -1, 1, /* First `interrupt' command uses special wait */
 719                          NULL,
 720                          NULL);
 721
 722         if (rcode < 0) {
 723                 aac_fib_complete(fibptr);
 724                 aac_fib_free(fibptr);
 725                 return rcode;
 726         }
 727         memcpy(&dev->adapter_info, info, sizeof(*info));
 728
 729         if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
 730                 struct aac_supplement_adapter_info * info;
 731
 732                 aac_fib_init(fibptr);
 733
 734                 info = (struct aac_supplement_adapter_info *) fib_data(fibptr);
 735
 736                 memset(info,0,sizeof(*info));
 737
 738                 rcode = aac_fib_send(RequestSupplementAdapterInfo,
 739                                  fibptr,
 740                                  sizeof(*info),
 741                                  FsaNormal,
 742                                  1, 1,
 743                                  NULL,
 744                                  NULL);
 745
 746                 if (rcode >= 0)
 747                         memcpy(&dev->supplement_adapter_info, info, sizeof(*info));
 748         }
 749
 750
 751         /*
 752          * GetBusInfo
 753          */
 754
 755         aac_fib_init(fibptr);
 756
 757         bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
 758
 759         memset(bus_info, 0, sizeof(*bus_info));
 760
 761         command = (struct aac_bus_info *)bus_info;
 762
 763         command->Command = cpu_to_le32(VM_Ioctl);
 764         command->ObjType = cpu_to_le32(FT_DRIVE);
 765         command->MethodId = cpu_to_le32(1);
 766         command->CtlCmd = cpu_to_le32(GetBusInfo);
 767
 768         rcode = aac_fib_send(ContainerCommand,
 769                          fibptr,
 770                          sizeof (*bus_info),
 771                          FsaNormal,
 772                          1, 1,
 773                          NULL, NULL);
 774
 775         if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
 776                 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
 777                 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
 778         }
 779
 780         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
 781         printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
 782                         dev->name,
 783                         dev->id,
 784                         tmp>>24,
 785                         (tmp>>16)&0xff,
 786                         tmp&0xff,
 787                         le32_to_cpu(dev->adapter_info.kernelbuild),
 788                         (int)sizeof(dev->supplement_adapter_info.BuildDate),
 789                         dev->supplement_adapter_info.BuildDate);
 790         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
 791         printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
 792                         dev->name, dev->id,
 793                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
 794                         le32_to_cpu(dev->adapter_info.monitorbuild));
 795         tmp = le32_to_cpu(dev->adapter_info.biosrev);
 796         printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
 797                         dev->name, dev->id,
 798                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
 799                         le32_to_cpu(dev->adapter_info.biosbuild));
 800         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
 801                 printk(KERN_INFO "%s%d: serial %x\n",
 802                         dev->name, dev->id,
 803                         le32_to_cpu(dev->adapter_info.serial[0]));
 804
 805         dev->nondasd_support = 0;
 806         dev->raid_scsi_mode = 0;
 807         if(dev->adapter_info.options & AAC_OPT_NONDASD){
 808                 dev->nondasd_support = 1;
 809         }
 810
 811         /*
 812          * If the firmware supports ROMB RAID/SCSI mode and we are currently
 813          * in RAID/SCSI mode, set the flag. For now if in this mode we will
 814          * force nondasd support on. If we decide to allow the non-dasd flag
 815          * additional changes changes will have to be made to support
 816          * RAID/SCSI.  the function aac_scsi_cmd in this module will have to be
 817          * changed to support the new dev->raid_scsi_mode flag instead of
 818          * leaching off of the dev->nondasd_support flag. Also in linit.c the
 819          * function aac_detect will have to be modified where it sets up the
 820          * max number of channels based on the aac->nondasd_support flag only.
 821          */
 822         if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
 823             (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
 824                 dev->nondasd_support = 1;
 825                 dev->raid_scsi_mode = 1;
 826         }
 827         if (dev->raid_scsi_mode != 0)
 828                 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
 829                                 dev->name, dev->id);
 830
 831         if(nondasd != -1) {
 832                 dev->nondasd_support = (nondasd!=0);
 833         }
 834         if(dev->nondasd_support != 0){
 835                 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
 836         }
 837
 838         dev->dac_support = 0;
 839         if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){
 840                 printk(KERN_INFO "%s%d: 64bit support enabled.\n", dev->name, dev->id);
 841                 dev->dac_support = 1;
 842         }
 843
 844         if(dacmode != -1) {
 845                 dev->dac_support = (dacmode!=0);
 846         }
 847         if(dev->dac_support != 0) {
 848                 if (!pci_set_dma_mask(dev->pdev, DMA_64BIT_MASK) &&
 849                         !pci_set_consistent_dma_mask(dev->pdev, DMA_64BIT_MASK)) {
 850                         printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
 851                                 dev->name, dev->id);
 852                 } else if (!pci_set_dma_mask(dev->pdev, DMA_32BIT_MASK) &&
 853                         !pci_set_consistent_dma_mask(dev->pdev, DMA_32BIT_MASK)) {
 854                         printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
 855                                 dev->name, dev->id);
 856                         dev->dac_support = 0;
 857                 } else {
 858                         printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
 859                                 dev->name, dev->id);
 860                         rcode = -ENOMEM;
 861                 }
 862         }
 863         /*
 864          * 57 scatter gather elements
 865          */
 866         if (!(dev->raw_io_interface)) {
 867                 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
 868                         sizeof(struct aac_fibhdr) -
 869                         sizeof(struct aac_write) + sizeof(struct sgentry)) /
 870                                 sizeof(struct sgentry);
 871                 if (dev->dac_support) {
 872                         /*
 873                          * 38 scatter gather elements
 874                          */
 875                         dev->scsi_host_ptr->sg_tablesize =
 876                                 (dev->max_fib_size -
 877                                 sizeof(struct aac_fibhdr) -
 878                                 sizeof(struct aac_write64) +
 879                                 sizeof(struct sgentry64)) /
 880                                         sizeof(struct sgentry64);
 881                 }
 882                 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
 883                 if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
 884                         /*
 885                          * Worst case size that could cause sg overflow when
 886                          * we break up SG elements that are larger than 64KB.
 887                          * Would be nice if we could tell the SCSI layer what
 888                          * the maximum SG element size can be. Worst case is
 889                          * (sg_tablesize-1) 4KB elements with one 64KB
 890                          * element.
 891                          *      32bit -> 468 or 238KB   64bit -> 424 or 212KB
 892                          */
 893                         dev->scsi_host_ptr->max_sectors =
 894                           (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
 895                 }
 896         }
 897
 898         aac_fib_complete(fibptr);
 899         aac_fib_free(fibptr);
 900
 901         return rcode;
 902 }
 903
 904
 905 static void io_callback(void *context, struct fib * fibptr)
 906 {
 907         struct aac_dev *dev;
 908         struct aac_read_reply *readreply;
 909         struct scsi_cmnd *scsicmd;
 910         u32 cid;
 911
 912         scsicmd = (struct scsi_cmnd *) context;
 913         scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
 914
 915         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 916         cid = scmd_id(scsicmd);
 917
 918         if (nblank(dprintk(x))) {
 919                 u64 lba;
 920                 switch (scsicmd->cmnd[0]) {
 921                 case WRITE_6:
 922                 case READ_6:
 923                         lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
 924                             (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
 925                         break;
 926                 case WRITE_16:
 927                 case READ_16:
 928                         lba = ((u64)scsicmd->cmnd[2] << 56) |
 929                               ((u64)scsicmd->cmnd[3] << 48) |
 930                               ((u64)scsicmd->cmnd[4] << 40) |
 931                               ((u64)scsicmd->cmnd[5] << 32) |
 932                               ((u64)scsicmd->cmnd[6] << 24) |
 933                               (scsicmd->cmnd[7] << 16) |
 934                               (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
 935                         break;
 936                 case WRITE_12:
 937                 case READ_12:
 938                         lba = ((u64)scsicmd->cmnd[2] << 24) |
 939                               (scsicmd->cmnd[3] << 16) |
 940                               (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
 941                         break;
 942                 default:
 943                         lba = ((u64)scsicmd->cmnd[2] << 24) |
 944                                (scsicmd->cmnd[3] << 16) |
 945                                (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
 946                         break;
 947                 }
 948                 printk(KERN_DEBUG
 949                   "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
 950                   smp_processor_id(), (unsigned long long)lba, jiffies);
 951         }
 952
 953         if (fibptr == NULL)
 954                 BUG();
 955
 956         if(scsicmd->use_sg)
 957                 pci_unmap_sg(dev->pdev,
 958                         (struct scatterlist *)scsicmd->buffer,
 959                         scsicmd->use_sg,
 960                         scsicmd->sc_data_direction);
 961         else if(scsicmd->request_bufflen)
 962                 pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle,
 963                                  scsicmd->request_bufflen,
 964                                  scsicmd->sc_data_direction);
 965         readreply = (struct aac_read_reply *)fib_data(fibptr);
 966         if (le32_to_cpu(readreply->status) == ST_OK)
 967                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 968         else {
 969 #ifdef AAC_DETAILED_STATUS_INFO
 970                 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
 971                   le32_to_cpu(readreply->status));
 972 #endif
 973                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
 974                 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
 975                                     HARDWARE_ERROR,
 976                                     SENCODE_INTERNAL_TARGET_FAILURE,
 977                                     ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
 978                                     0, 0);
 979                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
 980                   (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
 981                     ? sizeof(scsicmd->sense_buffer)
 982                     : sizeof(dev->fsa_dev[cid].sense_data));
 983         }
 984         aac_fib_complete(fibptr);
 985         aac_fib_free(fibptr);
 986
 987         scsicmd->scsi_done(scsicmd);
 988 }
 989
 990 static int aac_read(struct scsi_cmnd * scsicmd, int cid)
 991 {
 992         u64 lba;
 993         u32 count;
 994         int status;
 995
 996         u16 fibsize;
 997         struct aac_dev *dev;
 998         struct fib * cmd_fibcontext;
 999
1000         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1001         /*
1002          *      Get block address and transfer length
1003          */
1004         switch (scsicmd->cmnd[0]) {
1005         case READ_6:
1006                 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", cid));
1007
1008                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1009                         (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1010                 count = scsicmd->cmnd[4];
1011
1012                 if (count == 0)
1013                         count = 256;
1014                 break;
1015         case READ_16:
1016                 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", cid));
1017
1018                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
1019                         ((u64)scsicmd->cmnd[3] << 48) |
1020                         ((u64)scsicmd->cmnd[4] << 40) |
1021                         ((u64)scsicmd->cmnd[5] << 32) |
1022                         ((u64)scsicmd->cmnd[6] << 24) |
1023                         (scsicmd->cmnd[7] << 16) |
1024                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1025                 count = (scsicmd->cmnd[10] << 24) |
1026                         (scsicmd->cmnd[11] << 16) |
1027                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1028                 break;
1029         case READ_12:
1030                 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", cid));
1031
1032                 lba = ((u64)scsicmd->cmnd[2] << 24) |
1033                         (scsicmd->cmnd[3] << 16) |
1034                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1035                 count = (scsicmd->cmnd[6] << 24) |
1036                         (scsicmd->cmnd[7] << 16) |
1037                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1038                 break;
1039         default:
1040                 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", cid));
1041
1042                 lba = ((u64)scsicmd->cmnd[2] << 24) |
1043                         (scsicmd->cmnd[3] << 16) |
1044                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1045                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1046                 break;
1047         }
1048         dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
1049           smp_processor_id(), (unsigned long long)lba, jiffies));
1050         if ((!(dev->raw_io_interface) || !(dev->raw_io_64)) &&
1051                 (lba & 0xffffffff00000000LL)) {
1052                 dprintk((KERN_DEBUG "aac_read: Illegal lba\n"));
1053                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1054                         SAM_STAT_CHECK_CONDITION;
1055                 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1056                             HARDWARE_ERROR,
1057                             SENCODE_INTERNAL_TARGET_FAILURE,
1058                             ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1059                             0, 0);
1060                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1061                   (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1062                     ? sizeof(scsicmd->sense_buffer)
1063                     : sizeof(dev->fsa_dev[cid].sense_data));
1064                 scsicmd->scsi_done(scsicmd);
1065                 return 0;
1066         }
1067         /*
1068          *      Alocate and initialize a Fib
1069          */
1070         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1071                 return -1;
1072         }
1073
1074         aac_fib_init(cmd_fibcontext);
1075
1076         if (dev->raw_io_interface) {
1077                 struct aac_raw_io *readcmd;
1078                 readcmd = (struct aac_raw_io *) fib_data(cmd_fibcontext);
1079                 readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1080                 readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1081                 readcmd->count = cpu_to_le32(count<<9);
1082                 readcmd->cid = cpu_to_le16(cid);
1083                 readcmd->flags = cpu_to_le16(1);
1084                 readcmd->bpTotal = 0;
1085                 readcmd->bpComplete = 0;
1086
1087                 aac_build_sgraw(scsicmd, &readcmd->sg);
1088                 fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
1089                 if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)))
1090                         BUG();
1091                 /*
1092                  *      Now send the Fib to the adapter
1093                  */
1094                 status = aac_fib_send(ContainerRawIo,
1095                           cmd_fibcontext,
1096                           fibsize,
1097                           FsaNormal,
1098                           0, 1,
1099                           (fib_callback) io_callback,
1100                           (void *) scsicmd);
1101         } else if (dev->dac_support == 1) {
1102                 struct aac_read64 *readcmd;
1103                 readcmd = (struct aac_read64 *) fib_data(cmd_fibcontext);
1104                 readcmd->command = cpu_to_le32(VM_CtHostRead64);
1105                 readcmd->cid = cpu_to_le16(cid);
1106                 readcmd->sector_count = cpu_to_le16(count);
1107                 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1108                 readcmd->pad   = 0;
1109                 readcmd->flags = 0;
1110
1111                 aac_build_sg64(scsicmd, &readcmd->sg);
1112                 fibsize = sizeof(struct aac_read64) +
1113                         ((le32_to_cpu(readcmd->sg.count) - 1) *
1114                          sizeof (struct sgentry64));
1115                 BUG_ON (fibsize > (dev->max_fib_size -
1116                                         sizeof(struct aac_fibhdr)));
1117                 /*
1118                  *      Now send the Fib to the adapter
1119                  */
1120                 status = aac_fib_send(ContainerCommand64,
1121                           cmd_fibcontext,
1122                           fibsize,
1123                           FsaNormal,
1124                           0, 1,
1125                           (fib_callback) io_callback,
1126                           (void *) scsicmd);
1127         } else {
1128                 struct aac_read *readcmd;
1129                 readcmd = (struct aac_read *) fib_data(cmd_fibcontext);
1130                 readcmd->command = cpu_to_le32(VM_CtBlockRead);
1131                 readcmd->cid = cpu_to_le32(cid);
1132                 readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1133                 readcmd->count = cpu_to_le32(count * 512);
1134
1135                 aac_build_sg(scsicmd, &readcmd->sg);
1136                 fibsize = sizeof(struct aac_read) +
1137                         ((le32_to_cpu(readcmd->sg.count) - 1) *
1138                          sizeof (struct sgentry));
1139                 BUG_ON (fibsize > (dev->max_fib_size -
1140                                         sizeof(struct aac_fibhdr)));
1141                 /*
1142                  *      Now send the Fib to the adapter
1143                  */
1144                 status = aac_fib_send(ContainerCommand,
1145                           cmd_fibcontext,
1146                           fibsize,
1147                           FsaNormal,
1148                           0, 1,
1149                           (fib_callback) io_callback,
1150                           (void *) scsicmd);
1151         }
1152
1153
1154
1155         /*
1156          *      Check that the command queued to the controller
1157          */
1158         if (status == -EINPROGRESS) {
1159                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1160                 return 0;
1161         }
1162
1163         printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
1164         /*
1165          *      For some reason, the Fib didn't queue, return QUEUE_FULL
1166          */
1167         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1168         scsicmd->scsi_done(scsicmd);
1169         aac_fib_complete(cmd_fibcontext);
1170         aac_fib_free(cmd_fibcontext);
1171         return 0;
1172 }
1173
1174 static int aac_write(struct scsi_cmnd * scsicmd, int cid)
1175 {
1176         u64 lba;
1177         u32 count;
1178         int status;
1179         u16 fibsize;
1180         struct aac_dev *dev;
1181         struct fib * cmd_fibcontext;
1182
1183         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1184         /*
1185          *      Get block address and transfer length
1186          */
1187         if (scsicmd->cmnd[0] == WRITE_6)        /* 6 byte command */
1188         {
1189                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1190                 count = scsicmd->cmnd[4];
1191                 if (count == 0)
1192                         count = 256;
1193         } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
1194                 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", cid));
1195
1196                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
1197                         ((u64)scsicmd->cmnd[3] << 48) |
1198                         ((u64)scsicmd->cmnd[4] << 40) |
1199                         ((u64)scsicmd->cmnd[5] << 32) |
1200                         ((u64)scsicmd->cmnd[6] << 24) |
1201                         (scsicmd->cmnd[7] << 16) |
1202                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1203                 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
1204                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1205         } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
1206                 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", cid));
1207
1208                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
1209                     | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1210                 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
1211                       | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1212         } else {
1213                 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", cid));
1214                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1215                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1216         }
1217         dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
1218           smp_processor_id(), (unsigned long long)lba, jiffies));
1219         if ((!(dev->raw_io_interface) || !(dev->raw_io_64))
1220          && (lba & 0xffffffff00000000LL)) {
1221                 dprintk((KERN_DEBUG "aac_write: Illegal lba\n"));
1222                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1223                 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1224                             HARDWARE_ERROR,
1225                             SENCODE_INTERNAL_TARGET_FAILURE,
1226                             ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1227                             0, 0);
1228                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1229                   (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1230                     ? sizeof(scsicmd->sense_buffer)
1231                     : sizeof(dev->fsa_dev[cid].sense_data));
1232                 scsicmd->scsi_done(scsicmd);
1233                 return 0;
1234         }
1235         /*
1236          *      Allocate and initialize a Fib then setup a BlockWrite command
1237          */
1238         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1239                 scsicmd->result = DID_ERROR << 16;
1240                 scsicmd->scsi_done(scsicmd);
1241                 return 0;
1242         }
1243         aac_fib_init(cmd_fibcontext);
1244
1245         if (dev->raw_io_interface) {
1246                 struct aac_raw_io *writecmd;
1247                 writecmd = (struct aac_raw_io *) fib_data(cmd_fibcontext);
1248                 writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1249                 writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1250                 writecmd->count = cpu_to_le32(count<<9);
1251                 writecmd->cid = cpu_to_le16(cid);
1252                 writecmd->flags = 0;
1253                 writecmd->bpTotal = 0;
1254                 writecmd->bpComplete = 0;
1255
1256                 aac_build_sgraw(scsicmd, &writecmd->sg);
1257                 fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
1258                 if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)))
1259                         BUG();
1260                 /*
1261                  *      Now send the Fib to the adapter
1262                  */
1263                 status = aac_fib_send(ContainerRawIo,
1264                           cmd_fibcontext,
1265                           fibsize,
1266                           FsaNormal,
1267                           0, 1,
1268                           (fib_callback) io_callback,
1269                           (void *) scsicmd);
1270         } else if (dev->dac_support == 1) {
1271                 struct aac_write64 *writecmd;
1272                 writecmd = (struct aac_write64 *) fib_data(cmd_fibcontext);
1273                 writecmd->command = cpu_to_le32(VM_CtHostWrite64);
1274                 writecmd->cid = cpu_to_le16(cid);
1275                 writecmd->sector_count = cpu_to_le16(count);
1276                 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1277                 writecmd->pad   = 0;
1278                 writecmd->flags = 0;
1279
1280                 aac_build_sg64(scsicmd, &writecmd->sg);
1281                 fibsize = sizeof(struct aac_write64) +
1282                         ((le32_to_cpu(writecmd->sg.count) - 1) *
1283                          sizeof (struct sgentry64));
1284                 BUG_ON (fibsize > (dev->max_fib_size -
1285                                         sizeof(struct aac_fibhdr)));
1286                 /*
1287                  *      Now send the Fib to the adapter
1288                  */
1289                 status = aac_fib_send(ContainerCommand64,
1290                           cmd_fibcontext,
1291                           fibsize,
1292                           FsaNormal,
1293                           0, 1,
1294                           (fib_callback) io_callback,
1295                           (void *) scsicmd);
1296         } else {
1297                 struct aac_write *writecmd;
1298                 writecmd = (struct aac_write *) fib_data(cmd_fibcontext);
1299                 writecmd->command = cpu_to_le32(VM_CtBlockWrite);
1300                 writecmd->cid = cpu_to_le32(cid);
1301                 writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1302                 writecmd->count = cpu_to_le32(count * 512);
1303                 writecmd->sg.count = cpu_to_le32(1);
1304                 /* ->stable is not used - it did mean which type of write */
1305
1306                 aac_build_sg(scsicmd, &writecmd->sg);
1307                 fibsize = sizeof(struct aac_write) +
1308                         ((le32_to_cpu(writecmd->sg.count) - 1) *
1309                          sizeof (struct sgentry));
1310                 BUG_ON (fibsize > (dev->max_fib_size -
1311                                         sizeof(struct aac_fibhdr)));
1312                 /*
1313                  *      Now send the Fib to the adapter
1314                  */
1315                 status = aac_fib_send(ContainerCommand,
1316                           cmd_fibcontext,
1317                           fibsize,
1318                           FsaNormal,
1319                           0, 1,
1320                           (fib_callback) io_callback,
1321                           (void *) scsicmd);
1322         }
1323
1324         /*
1325          *      Check that the command queued to the controller
1326          */
1327         if (status == -EINPROGRESS) {
1328                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1329                 return 0;
1330         }
1331
1332         printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
1333         /*
1334          *      For some reason, the Fib didn't queue, return QUEUE_FULL
1335          */
1336         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1337         scsicmd->scsi_done(scsicmd);
1338
1339         aac_fib_complete(cmd_fibcontext);
1340         aac_fib_free(cmd_fibcontext);
1341         return 0;
1342 }
1343
1344 static void synchronize_callback(void *context, struct fib *fibptr)
1345 {
1346         struct aac_synchronize_reply *synchronizereply;
1347         struct scsi_cmnd *cmd;
1348
1349         cmd = context;
1350         cmd->SCp.phase = AAC_OWNER_MIDLEVEL;
1351
1352         dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
1353                                 smp_processor_id(), jiffies));
1354         BUG_ON(fibptr == NULL);
1355
1356
1357         synchronizereply = fib_data(fibptr);
1358         if (le32_to_cpu(synchronizereply->status) == CT_OK)
1359                 cmd->result = DID_OK << 16 |
1360                         COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1361         else {
1362                 struct scsi_device *sdev = cmd->device;
1363                 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1364                 u32 cid = sdev_id(sdev);
1365                 printk(KERN_WARNING
1366                      "synchronize_callback: synchronize failed, status = %d\n",
1367                      le32_to_cpu(synchronizereply->status));
1368                 cmd->result = DID_OK << 16 |
1369                         COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1370                 set_sense((u8 *)&dev->fsa_dev[cid].sense_data,
1371                                     HARDWARE_ERROR,
1372                                     SENCODE_INTERNAL_TARGET_FAILURE,
1373                                     ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1374                                     0, 0);
1375                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1376                   min(sizeof(dev->fsa_dev[cid].sense_data),
1377                           sizeof(cmd->sense_buffer)));
1378         }
1379
1380         aac_fib_complete(fibptr);
1381         aac_fib_free(fibptr);
1382         cmd->scsi_done(cmd);
1383 }
1384
1385 static int aac_synchronize(struct scsi_cmnd *scsicmd, int cid)
1386 {
1387         int status;
1388         struct fib *cmd_fibcontext;
1389         struct aac_synchronize *synchronizecmd;
1390         struct scsi_cmnd *cmd;
1391         struct scsi_device *sdev = scsicmd->device;
1392         int active = 0;
1393         unsigned long flags;
1394
1395         /*
1396          * Wait for all outstanding queued commands to complete to this
1397          * specific target (block).
1398          */
1399         spin_lock_irqsave(&sdev->list_lock, flags);
1400         list_for_each_entry(cmd, &sdev->cmd_list, list)
1401                 if (cmd != scsicmd && cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
1402                         ++active;
1403                         break;
1404                 }
1405
1406         spin_unlock_irqrestore(&sdev->list_lock, flags);
1407
1408         /*
1409          *      Yield the processor (requeue for later)
1410          */
1411         if (active)
1412                 return SCSI_MLQUEUE_DEVICE_BUSY;
1413
1414         /*
1415          *      Allocate and initialize a Fib
1416          */
1417         if (!(cmd_fibcontext =
1418             aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata)))
1419                 return SCSI_MLQUEUE_HOST_BUSY;
1420
1421         aac_fib_init(cmd_fibcontext);
1422
1423         synchronizecmd = fib_data(cmd_fibcontext);
1424         synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
1425         synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
1426         synchronizecmd->cid = cpu_to_le32(cid);
1427         synchronizecmd->count =
1428              cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
1429
1430         /*
1431          *      Now send the Fib to the adapter
1432          */
1433         status = aac_fib_send(ContainerCommand,
1434                   cmd_fibcontext,
1435                   sizeof(struct aac_synchronize),
1436                   FsaNormal,
1437                   0, 1,
1438                   (fib_callback)synchronize_callback,
1439                   (void *)scsicmd);
1440
1441         /*
1442          *      Check that the command queued to the controller
1443          */
1444         if (status == -EINPROGRESS) {
1445                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1446                 return 0;
1447         }
1448
1449         printk(KERN_WARNING
1450                 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
1451         aac_fib_complete(cmd_fibcontext);
1452         aac_fib_free(cmd_fibcontext);
1453         return SCSI_MLQUEUE_HOST_BUSY;
1454 }
1455
1456 /**
1457  *      aac_scsi_cmd()          -       Process SCSI command
1458  *      @scsicmd:               SCSI command block
1459  *
1460  *      Emulate a SCSI command and queue the required request for the
1461  *      aacraid firmware.
1462  */
1463
1464 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
1465 {
1466         u32 cid = 0;
1467         struct Scsi_Host *host = scsicmd->device->host;
1468         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
1469         struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
1470
1471         /*
1472          *      If the bus, id or lun is out of range, return fail
1473          *      Test does not apply to ID 16, the pseudo id for the controller
1474          *      itself.
1475          */
1476         if (scmd_id(scsicmd) != host->this_id) {
1477                 if ((scmd_channel(scsicmd) == CONTAINER_CHANNEL)) {
1478                         if((scmd_id(scsicmd) >= dev->maximum_num_containers) ||
1479                                         (scsicmd->device->lun != 0)) {
1480                                 scsicmd->result = DID_NO_CONNECT << 16;
1481                                 scsicmd->scsi_done(scsicmd);
1482                                 return 0;
1483                         }
1484                         cid = scmd_id(scsicmd);
1485
1486                         /*
1487                          *      If the target container doesn't exist, it may have
1488                          *      been newly created
1489                          */
1490                         if ((fsa_dev_ptr[cid].valid & 1) == 0) {
1491                                 switch (scsicmd->cmnd[0]) {
1492                                 case SERVICE_ACTION_IN:
1493                                         if (!(dev->raw_io_interface) ||
1494                                             !(dev->raw_io_64) ||
1495                                             ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
1496                                                 break;
1497                                 case INQUIRY:
1498                                 case READ_CAPACITY:
1499                                 case TEST_UNIT_READY:
1500                                         spin_unlock_irq(host->host_lock);
1501                                         aac_probe_container(dev, cid);
1502                                         if ((fsa_dev_ptr[cid].valid & 1) == 0)
1503                                                 fsa_dev_ptr[cid].valid = 0;
1504                                         spin_lock_irq(host->host_lock);
1505                                         if (fsa_dev_ptr[cid].valid == 0) {
1506                                                 scsicmd->result = DID_NO_CONNECT << 16;
1507                                                 scsicmd->scsi_done(scsicmd);
1508                                                 return 0;
1509                                         }
1510                                 default:
1511                                         break;
1512                                 }
1513                         }
1514                         /*
1515                          *      If the target container still doesn't exist,
1516                          *      return failure
1517                          */
1518                         if (fsa_dev_ptr[cid].valid == 0) {
1519                                 scsicmd->result = DID_BAD_TARGET << 16;
1520                                 scsicmd->scsi_done(scsicmd);
1521                                 return 0;
1522                         }
1523                 } else {  /* check for physical non-dasd devices */
1524                         if(dev->nondasd_support == 1){
1525                                 return aac_send_srb_fib(scsicmd);
1526                         } else {
1527                                 scsicmd->result = DID_NO_CONNECT << 16;
1528                                 scsicmd->scsi_done(scsicmd);
1529                                 return 0;
1530                         }
1531                 }
1532         }
1533         /*
1534          * else Command for the controller itself
1535          */
1536         else if ((scsicmd->cmnd[0] != INQUIRY) &&       /* only INQUIRY & TUR cmnd supported for controller */
1537                 (scsicmd->cmnd[0] != TEST_UNIT_READY))
1538         {
1539                 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
1540                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1541                 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1542                             ILLEGAL_REQUEST,
1543                             SENCODE_INVALID_COMMAND,
1544                             ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
1545                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1546                   (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1547                     ? sizeof(scsicmd->sense_buffer)
1548                     : sizeof(dev->fsa_dev[cid].sense_data));
1549                 scsicmd->scsi_done(scsicmd);
1550                 return 0;
1551         }
1552
1553
1554         /* Handle commands here that don't really require going out to the adapter */
1555         switch (scsicmd->cmnd[0]) {
1556         case INQUIRY:
1557         {
1558                 struct inquiry_data inq_data;
1559
1560                 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", scmd_id(scsicmd)));
1561                 memset(&inq_data, 0, sizeof (struct inquiry_data));
1562
1563                 inq_data.inqd_ver = 2;  /* claim compliance to SCSI-2 */
1564                 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 */
1565                 inq_data.inqd_len = 31;
1566                 /*Format for "pad2" is  RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
1567                 inq_data.inqd_pad2= 0x32 ;       /*WBus16|Sync|CmdQue */
1568                 /*
1569                  *      Set the Vendor, Product, and Revision Level
1570                  *      see: <vendor>.c i.e. aac.c
1571                  */
1572                 if (scmd_id(scsicmd) == host->this_id) {
1573                         setinqstr(dev, (void *) (inq_data.inqd_vid), (sizeof(container_types)/sizeof(char *)));
1574                         inq_data.inqd_pdt = INQD_PDT_PROC;      /* Processor device */
1575                         aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
1576                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1577                         scsicmd->scsi_done(scsicmd);
1578                         return 0;
1579                 }
1580                 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
1581                 inq_data.inqd_pdt = INQD_PDT_DA;        /* Direct/random access device */
1582                 aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
1583                 return aac_get_container_name(scsicmd, cid);
1584         }
1585         case SERVICE_ACTION_IN:
1586                 if (!(dev->raw_io_interface) ||
1587                     !(dev->raw_io_64) ||
1588                     ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
1589                         break;
1590         {
1591                 u64 capacity;
1592                 char cp[13];
1593
1594                 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
1595                 capacity = fsa_dev_ptr[cid].size - 1;
1596                 cp[0] = (capacity >> 56) & 0xff;
1597                 cp[1] = (capacity >> 48) & 0xff;
1598                 cp[2] = (capacity >> 40) & 0xff;
1599                 cp[3] = (capacity >> 32) & 0xff;
1600                 cp[4] = (capacity >> 24) & 0xff;
1601                 cp[5] = (capacity >> 16) & 0xff;
1602                 cp[6] = (capacity >> 8) & 0xff;
1603                 cp[7] = (capacity >> 0) & 0xff;
1604                 cp[8] = 0;
1605                 cp[9] = 0;
1606                 cp[10] = 2;
1607                 cp[11] = 0;
1608                 cp[12] = 0;
1609                 aac_internal_transfer(scsicmd, cp, 0,
1610                   min_t(size_t, scsicmd->cmnd[13], sizeof(cp)));
1611                 if (sizeof(cp) < scsicmd->cmnd[13]) {
1612                         unsigned int len, offset = sizeof(cp);
1613
1614                         memset(cp, 0, offset);
1615                         do {
1616                                 len = min_t(size_t, scsicmd->cmnd[13] - offset,
1617                                                 sizeof(cp));
1618                                 aac_internal_transfer(scsicmd, cp, offset, len);
1619                         } while ((offset += len) < scsicmd->cmnd[13]);
1620                 }
1621
1622                 /* Do not cache partition table for arrays */
1623                 scsicmd->device->removable = 1;
1624
1625                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1626                 scsicmd->scsi_done(scsicmd);
1627
1628                 return 0;
1629         }
1630
1631         case READ_CAPACITY:
1632         {
1633                 u32 capacity;
1634                 char cp[8];
1635
1636                 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
1637                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
1638                         capacity = fsa_dev_ptr[cid].size - 1;
1639                 else
1640                         capacity = (u32)-1;
1641
1642                 cp[0] = (capacity >> 24) & 0xff;
1643                 cp[1] = (capacity >> 16) & 0xff;
1644                 cp[2] = (capacity >> 8) & 0xff;
1645                 cp[3] = (capacity >> 0) & 0xff;
1646                 cp[4] = 0;
1647                 cp[5] = 0;
1648                 cp[6] = 2;
1649                 cp[7] = 0;
1650                 aac_internal_transfer(scsicmd, cp, 0, sizeof(cp));
1651                 /* Do not cache partition table for arrays */
1652                 scsicmd->device->removable = 1;
1653
1654                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1655                 scsicmd->scsi_done(scsicmd);
1656
1657                 return 0;
1658         }
1659
1660         case MODE_SENSE:
1661         {
1662                 char mode_buf[4];
1663
1664                 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
1665                 mode_buf[0] = 3;        /* Mode data length */
1666                 mode_buf[1] = 0;        /* Medium type - default */
1667                 mode_buf[2] = 0;        /* Device-specific param, bit 8: 0/1 = write enabled/protected */
1668                 mode_buf[3] = 0;        /* Block descriptor length */
1669
1670                 aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
1671                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1672                 scsicmd->scsi_done(scsicmd);
1673
1674                 return 0;
1675         }
1676         case MODE_SENSE_10:
1677         {
1678                 char mode_buf[8];
1679
1680                 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
1681                 mode_buf[0] = 0;        /* Mode data length (MSB) */
1682                 mode_buf[1] = 6;        /* Mode data length (LSB) */
1683                 mode_buf[2] = 0;        /* Medium type - default */
1684                 mode_buf[3] = 0;        /* Device-specific param, bit 8: 0/1 = write enabled/protected */
1685                 mode_buf[4] = 0;        /* reserved */
1686                 mode_buf[5] = 0;        /* reserved */
1687                 mode_buf[6] = 0;        /* Block descriptor length (MSB) */
1688                 mode_buf[7] = 0;        /* Block descriptor length (LSB) */
1689                 aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
1690
1691                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1692                 scsicmd->scsi_done(scsicmd);
1693
1694                 return 0;
1695         }
1696         case REQUEST_SENSE:
1697                 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
1698                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
1699                 memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
1700                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1701                 scsicmd->scsi_done(scsicmd);
1702                 return 0;
1703
1704         case ALLOW_MEDIUM_REMOVAL:
1705                 dprintk((KERN_DEBUG "LOCK command.\n"));
1706                 if (scsicmd->cmnd[4])
1707                         fsa_dev_ptr[cid].locked = 1;
1708                 else
1709                         fsa_dev_ptr[cid].locked = 0;
1710
1711                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1712                 scsicmd->scsi_done(scsicmd);
1713                 return 0;
1714         /*
1715          *      These commands are all No-Ops
1716          */
1717         case TEST_UNIT_READY:
1718         case RESERVE:
1719         case RELEASE:
1720         case REZERO_UNIT:
1721         case REASSIGN_BLOCKS:
1722         case SEEK_10:
1723         case START_STOP:
1724                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1725                 scsicmd->scsi_done(scsicmd);
1726                 return 0;
1727         }
1728
1729         switch (scsicmd->cmnd[0])
1730         {
1731                 case READ_6:
1732                 case READ_10:
1733                 case READ_12:
1734                 case READ_16:
1735                         /*
1736                          *      Hack to keep track of ordinal number of the device that
1737                          *      corresponds to a container. Needed to convert
1738                          *      containers to /dev/sd device names
1739                          */
1740
1741                         if (scsicmd->request->rq_disk)
1742                                 strlcpy(fsa_dev_ptr[cid].devname,
1743                                 scsicmd->request->rq_disk->disk_name,
1744                                 min(sizeof(fsa_dev_ptr[cid].devname),
1745                                 sizeof(scsicmd->request->rq_disk->disk_name) + 1));
1746
1747                         return aac_read(scsicmd, cid);
1748
1749                 case WRITE_6:
1750                 case WRITE_10:
1751                 case WRITE_12:
1752                 case WRITE_16:
1753                         return aac_write(scsicmd, cid);
1754
1755                 case SYNCHRONIZE_CACHE:
1756                         /* Issue FIB to tell Firmware to flush it's cache */
1757                         return aac_synchronize(scsicmd, cid);
1758
1759                 default:
1760                         /*
1761                          *      Unhandled commands
1762                          */
1763                         dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]));
1764                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1765                         set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1766                                 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
1767                                 ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
1768                         memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1769                           (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1770                             ? sizeof(scsicmd->sense_buffer)
1771                             : sizeof(dev->fsa_dev[cid].sense_data));
1772                         scsicmd->scsi_done(scsicmd);
1773                         return 0;
1774         }
1775 }
1776
1777 static int query_disk(struct aac_dev *dev, void __user *arg)
1778 {
1779         struct aac_query_disk qd;
1780         struct fsa_dev_info *fsa_dev_ptr;
1781
1782         fsa_dev_ptr = dev->fsa_dev;
1783         if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
1784                 return -EFAULT;
1785         if (qd.cnum == -1)
1786                 qd.cnum = qd.id;
1787         else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
1788         {
1789                 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
1790                         return -EINVAL;
1791                 qd.instance = dev->scsi_host_ptr->host_no;
1792                 qd.bus = 0;
1793                 qd.id = CONTAINER_TO_ID(qd.cnum);
1794                 qd.lun = CONTAINER_TO_LUN(qd.cnum);
1795         }
1796         else return -EINVAL;
1797
1798         qd.valid = fsa_dev_ptr[qd.cnum].valid;
1799         qd.locked = fsa_dev_ptr[qd.cnum].locked;
1800         qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
1801
1802         if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
1803                 qd.unmapped = 1;
1804         else
1805                 qd.unmapped = 0;
1806
1807         strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
1808           min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
1809
1810         if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
1811                 return -EFAULT;
1812         return 0;
1813 }
1814
1815 static int force_delete_disk(struct aac_dev *dev, void __user *arg)
1816 {
1817         struct aac_delete_disk dd;
1818         struct fsa_dev_info *fsa_dev_ptr;
1819
1820         fsa_dev_ptr = dev->fsa_dev;
1821
1822         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
1823                 return -EFAULT;
1824
1825         if (dd.cnum >= dev->maximum_num_containers)
1826                 return -EINVAL;
1827         /*
1828          *      Mark this container as being deleted.
1829          */
1830         fsa_dev_ptr[dd.cnum].deleted = 1;
1831         /*
1832          *      Mark the container as no longer valid
1833          */
1834         fsa_dev_ptr[dd.cnum].valid = 0;
1835         return 0;
1836 }
1837
1838 static int delete_disk(struct aac_dev *dev, void __user *arg)
1839 {
1840         struct aac_delete_disk dd;
1841         struct fsa_dev_info *fsa_dev_ptr;
1842
1843         fsa_dev_ptr = dev->fsa_dev;
1844
1845         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
1846                 return -EFAULT;
1847
1848         if (dd.cnum >= dev->maximum_num_containers)
1849                 return -EINVAL;
1850         /*
1851          *      If the container is locked, it can not be deleted by the API.
1852          */
1853         if (fsa_dev_ptr[dd.cnum].locked)
1854                 return -EBUSY;
1855         else {
1856                 /*
1857                  *      Mark the container as no longer being valid.
1858                  */
1859                 fsa_dev_ptr[dd.cnum].valid = 0;
1860                 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
1861                 return 0;
1862         }
1863 }
1864
1865 int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
1866 {
1867         switch (cmd) {
1868         case FSACTL_QUERY_DISK:
1869                 return query_disk(dev, arg);
1870         case FSACTL_DELETE_DISK:
1871                 return delete_disk(dev, arg);
1872         case FSACTL_FORCE_DELETE_DISK:
1873                 return force_delete_disk(dev, arg);
1874         case FSACTL_GET_CONTAINERS:
1875                 return aac_get_containers(dev);
1876         default:
1877                 return -ENOTTY;
1878         }
1879 }
1880
1881 /**
1882  *
1883  * aac_srb_callback
1884  * @context: the context set in the fib - here it is scsi cmd
1885  * @fibptr: pointer to the fib
1886  *
1887  * Handles the completion of a scsi command to a non dasd device
1888  *
1889  */
1890
1891 static void aac_srb_callback(void *context, struct fib * fibptr)
1892 {
1893         struct aac_dev *dev;
1894         struct aac_srb_reply *srbreply;
1895         struct scsi_cmnd *scsicmd;
1896
1897         scsicmd = (struct scsi_cmnd *) context;
1898         scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
1899         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1900
1901         if (fibptr == NULL)
1902                 BUG();
1903
1904         srbreply = (struct aac_srb_reply *) fib_data(fibptr);
1905
1906         scsicmd->sense_buffer[0] = '\0';  /* Initialize sense valid flag to false */
1907         /*
1908          *      Calculate resid for sg
1909          */
1910
1911         scsicmd->resid = scsicmd->request_bufflen -
1912                 le32_to_cpu(srbreply->data_xfer_length);
1913
1914         if(scsicmd->use_sg)
1915                 pci_unmap_sg(dev->pdev,
1916                         (struct scatterlist *)scsicmd->buffer,
1917                         scsicmd->use_sg,
1918                         scsicmd->sc_data_direction);
1919         else if(scsicmd->request_bufflen)
1920                 pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, scsicmd->request_bufflen,
1921                         scsicmd->sc_data_direction);
1922
1923         /*
1924          * First check the fib status
1925          */
1926
1927         if (le32_to_cpu(srbreply->status) != ST_OK){
1928                 int len;
1929                 printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
1930                 len = (le32_to_cpu(srbreply->sense_data_size) >
1931                                 sizeof(scsicmd->sense_buffer)) ?
1932                                 sizeof(scsicmd->sense_buffer) :
1933                                 le32_to_cpu(srbreply->sense_data_size);
1934                 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1935                 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
1936         }
1937
1938         /*
1939          * Next check the srb status
1940          */
1941         switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
1942         case SRB_STATUS_ERROR_RECOVERY:
1943         case SRB_STATUS_PENDING:
1944         case SRB_STATUS_SUCCESS:
1945                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
1946                 break;
1947         case SRB_STATUS_DATA_OVERRUN:
1948                 switch(scsicmd->cmnd[0]){
1949                 case  READ_6:
1950                 case  WRITE_6:
1951                 case  READ_10:
1952                 case  WRITE_10:
1953                 case  READ_12:
1954                 case  WRITE_12:
1955                 case  READ_16:
1956                 case  WRITE_16:
1957                         if(le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow ) {
1958                                 printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
1959                         } else {
1960                                 printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
1961                         }
1962                         scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
1963                         break;
1964                 case INQUIRY: {
1965                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
1966                         break;
1967                 }
1968                 default:
1969                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
1970                         break;
1971                 }
1972                 break;
1973         case SRB_STATUS_ABORTED:
1974                 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
1975                 break;
1976         case SRB_STATUS_ABORT_FAILED:
1977                 // Not sure about this one - but assuming the hba was trying to abort for some reason
1978                 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
1979                 break;
1980         case SRB_STATUS_PARITY_ERROR:
1981                 scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
1982                 break;
1983         case SRB_STATUS_NO_DEVICE:
1984         case SRB_STATUS_INVALID_PATH_ID:
1985         case SRB_STATUS_INVALID_TARGET_ID:
1986         case SRB_STATUS_INVALID_LUN:
1987         case SRB_STATUS_SELECTION_TIMEOUT:
1988                 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
1989                 break;
1990
1991         case SRB_STATUS_COMMAND_TIMEOUT:
1992         case SRB_STATUS_TIMEOUT:
1993                 scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
1994                 break;
1995
1996         case SRB_STATUS_BUSY:
1997                 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
1998                 break;
1999
2000         case SRB_STATUS_BUS_RESET:
2001                 scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
2002                 break;
2003
2004         case SRB_STATUS_MESSAGE_REJECTED:
2005                 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
2006                 break;
2007         case SRB_STATUS_REQUEST_FLUSHED:
2008         case SRB_STATUS_ERROR:
2009         case SRB_STATUS_INVALID_REQUEST:
2010         case SRB_STATUS_REQUEST_SENSE_FAILED:
2011         case SRB_STATUS_NO_HBA:
2012         case SRB_STATUS_UNEXPECTED_BUS_FREE:
2013         case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
2014         case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
2015         case SRB_STATUS_DELAYED_RETRY:
2016         case SRB_STATUS_BAD_FUNCTION:
2017         case SRB_STATUS_NOT_STARTED:
2018         case SRB_STATUS_NOT_IN_USE:
2019         case SRB_STATUS_FORCE_ABORT:
2020         case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
2021         default:
2022 #ifdef AAC_DETAILED_STATUS_INFO
2023                 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
2024                         le32_to_cpu(srbreply->srb_status) & 0x3F,
2025                         aac_get_status_string(
2026                                 le32_to_cpu(srbreply->srb_status) & 0x3F),
2027                         scsicmd->cmnd[0],
2028                         le32_to_cpu(srbreply->scsi_status));
2029 #endif
2030                 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2031                 break;
2032         }
2033         if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){  // Check Condition
2034                 int len;
2035                 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
2036                 len = (le32_to_cpu(srbreply->sense_data_size) >
2037                                 sizeof(scsicmd->sense_buffer)) ?
2038                                 sizeof(scsicmd->sense_buffer) :
2039                                 le32_to_cpu(srbreply->sense_data_size);
2040 #ifdef AAC_DETAILED_STATUS_INFO
2041                 printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
2042                                         le32_to_cpu(srbreply->status), len);
2043 #endif
2044                 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2045
2046         }
2047         /*
2048          * OR in the scsi status (already shifted up a bit)
2049          */
2050         scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
2051
2052         aac_fib_complete(fibptr);
2053         aac_fib_free(fibptr);
2054         scsicmd->scsi_done(scsicmd);
2055 }
2056
2057 /**
2058  *
2059  * aac_send_scb_fib
2060  * @scsicmd: the scsi command block
2061  *
2062  * This routine will form a FIB and fill in the aac_srb from the
2063  * scsicmd passed in.
2064  */
2065
2066 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
2067 {
2068         struct fib* cmd_fibcontext;
2069         struct aac_dev* dev;
2070         int status;
2071         struct aac_srb *srbcmd;
2072         u16 fibsize;
2073         u32 flag;
2074         u32 timeout;
2075
2076         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2077         if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
2078                         scsicmd->device->lun > 7) {
2079                 scsicmd->result = DID_NO_CONNECT << 16;
2080                 scsicmd->scsi_done(scsicmd);
2081                 return 0;
2082         }
2083
2084         switch(scsicmd->sc_data_direction){
2085         case DMA_TO_DEVICE:
2086                 flag = SRB_DataOut;
2087                 break;
2088         case DMA_BIDIRECTIONAL:
2089                 flag = SRB_DataIn | SRB_DataOut;
2090                 break;
2091         case DMA_FROM_DEVICE:
2092                 flag = SRB_DataIn;
2093                 break;
2094         case DMA_NONE:
2095         default:        /* shuts up some versions of gcc */
2096                 flag = SRB_NoDataXfer;
2097                 break;
2098         }
2099
2100
2101         /*
2102          *      Allocate and initialize a Fib then setup a BlockWrite command
2103          */
2104         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
2105                 return -1;
2106         }
2107         aac_fib_init(cmd_fibcontext);
2108
2109         srbcmd = (struct aac_srb*) fib_data(cmd_fibcontext);
2110         srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
2111         srbcmd->channel  = cpu_to_le32(aac_logical_to_phys(scmd_channel(scsicmd)));
2112         srbcmd->id   = cpu_to_le32(scmd_id(scsicmd));
2113         srbcmd->lun      = cpu_to_le32(scsicmd->device->lun);
2114         srbcmd->flags    = cpu_to_le32(flag);
2115         timeout = scsicmd->timeout_per_command/HZ;
2116         if(timeout == 0){
2117                 timeout = 1;
2118         }
2119         srbcmd->timeout  = cpu_to_le32(timeout);  // timeout in seconds
2120         srbcmd->retry_limit = 0; /* Obsolete parameter */
2121         srbcmd->cdb_size = cpu_to_le32(scsicmd->cmd_len);
2122
2123         if( dev->dac_support == 1 ) {
2124                 aac_build_sg64(scsicmd, (struct sgmap64*) &srbcmd->sg);
2125                 srbcmd->count = cpu_to_le32(scsicmd->request_bufflen);
2126
2127                 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
2128                 memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len);
2129                 /*
2130                  *      Build Scatter/Gather list
2131                  */
2132                 fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
2133                         ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
2134                          sizeof (struct sgentry64));
2135                 BUG_ON (fibsize > (dev->max_fib_size -
2136                                         sizeof(struct aac_fibhdr)));
2137
2138                 /*
2139                  *      Now send the Fib to the adapter
2140                  */
2141                 status = aac_fib_send(ScsiPortCommand64, cmd_fibcontext,
2142                                 fibsize, FsaNormal, 0, 1,
2143                                   (fib_callback) aac_srb_callback,
2144                                   (void *) scsicmd);
2145         } else {
2146                 aac_build_sg(scsicmd, (struct sgmap*)&srbcmd->sg);
2147                 srbcmd->count = cpu_to_le32(scsicmd->request_bufflen);
2148
2149                 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
2150                 memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len);
2151                 /*
2152                  *      Build Scatter/Gather list
2153                  */
2154                 fibsize = sizeof (struct aac_srb) +
2155                         (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
2156                          sizeof (struct sgentry));
2157                 BUG_ON (fibsize > (dev->max_fib_size -
2158                                         sizeof(struct aac_fibhdr)));
2159
2160                 /*
2161                  *      Now send the Fib to the adapter
2162                  */
2163                 status = aac_fib_send(ScsiPortCommand, cmd_fibcontext, fibsize, FsaNormal, 0, 1,
2164                                   (fib_callback) aac_srb_callback, (void *) scsicmd);
2165         }
2166         /*
2167          *      Check that the command queued to the controller
2168          */
2169         if (status == -EINPROGRESS) {
2170                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2171                 return 0;
2172         }
2173
2174         printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
2175         aac_fib_complete(cmd_fibcontext);
2176         aac_fib_free(cmd_fibcontext);
2177
2178         return -1;
2179 }
2180
2181 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
2182 {
2183         struct aac_dev *dev;
2184         unsigned long byte_count = 0;
2185
2186         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2187         // Get rid of old data
2188         psg->count = 0;
2189         psg->sg[0].addr = 0;
2190         psg->sg[0].count = 0;
2191         if (scsicmd->use_sg) {
2192                 struct scatterlist *sg;
2193                 int i;
2194                 int sg_count;
2195                 sg = (struct scatterlist *) scsicmd->request_buffer;
2196
2197                 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
2198                         scsicmd->sc_data_direction);
2199                 psg->count = cpu_to_le32(sg_count);
2200
2201                 for (i = 0; i < sg_count; i++) {
2202                         psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
2203                         psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
2204                         byte_count += sg_dma_len(sg);
2205                         sg++;
2206                 }
2207                 /* hba wants the size to be exact */
2208                 if(byte_count > scsicmd->request_bufflen){
2209                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2210                                 (byte_count - scsicmd->request_bufflen);
2211                         psg->sg[i-1].count = cpu_to_le32(temp);
2212                         byte_count = scsicmd->request_bufflen;
2213                 }
2214                 /* Check for command underflow */
2215                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2216                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2217                                         byte_count, scsicmd->underflow);
2218                 }
2219         }
2220         else if(scsicmd->request_bufflen) {
2221                 dma_addr_t addr;
2222                 addr = pci_map_single(dev->pdev,
2223                                 scsicmd->request_buffer,
2224                                 scsicmd->request_bufflen,
2225                                 scsicmd->sc_data_direction);
2226                 psg->count = cpu_to_le32(1);
2227                 psg->sg[0].addr = cpu_to_le32(addr);
2228                 psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
2229                 scsicmd->SCp.dma_handle = addr;
2230                 byte_count = scsicmd->request_bufflen;
2231         }
2232         return byte_count;
2233 }
2234
2235
2236 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg)
2237 {
2238         struct aac_dev *dev;
2239         unsigned long byte_count = 0;
2240         u64 addr;
2241
2242         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2243         // Get rid of old data
2244         psg->count = 0;
2245         psg->sg[0].addr[0] = 0;
2246         psg->sg[0].addr[1] = 0;
2247         psg->sg[0].count = 0;
2248         if (scsicmd->use_sg) {
2249                 struct scatterlist *sg;
2250                 int i;
2251                 int sg_count;
2252                 sg = (struct scatterlist *) scsicmd->request_buffer;
2253
2254                 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
2255                         scsicmd->sc_data_direction);
2256
2257                 for (i = 0; i < sg_count; i++) {
2258                         int count = sg_dma_len(sg);
2259                         addr = sg_dma_address(sg);
2260                         psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
2261                         psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
2262                         psg->sg[i].count = cpu_to_le32(count);
2263                         byte_count += count;
2264                         sg++;
2265                 }
2266                 psg->count = cpu_to_le32(sg_count);
2267                 /* hba wants the size to be exact */
2268                 if(byte_count > scsicmd->request_bufflen){
2269                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2270                                 (byte_count - scsicmd->request_bufflen);
2271                         psg->sg[i-1].count = cpu_to_le32(temp);
2272                         byte_count = scsicmd->request_bufflen;
2273                 }
2274                 /* Check for command underflow */
2275                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2276                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2277                                         byte_count, scsicmd->underflow);
2278                 }
2279         }
2280         else if(scsicmd->request_bufflen) {
2281                 scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
2282                                 scsicmd->request_buffer,
2283                                 scsicmd->request_bufflen,
2284                                 scsicmd->sc_data_direction);
2285                 addr = scsicmd->SCp.dma_handle;
2286                 psg->count = cpu_to_le32(1);
2287                 psg->sg[0].addr[0] = cpu_to_le32(addr & 0xffffffff);
2288                 psg->sg[0].addr[1] = cpu_to_le32(addr >> 32);
2289                 psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
2290                 byte_count = scsicmd->request_bufflen;
2291         }
2292         return byte_count;
2293 }
2294
2295 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg)
2296 {
2297         struct Scsi_Host *host = scsicmd->device->host;
2298         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
2299         unsigned long byte_count = 0;
2300
2301         // Get rid of old data
2302         psg->count = 0;
2303         psg->sg[0].next = 0;
2304         psg->sg[0].prev = 0;
2305         psg->sg[0].addr[0] = 0;
2306         psg->sg[0].addr[1] = 0;
2307         psg->sg[0].count = 0;
2308         psg->sg[0].flags = 0;
2309         if (scsicmd->use_sg) {
2310                 struct scatterlist *sg;
2311                 int i;
2312                 int sg_count;
2313                 sg = (struct scatterlist *) scsicmd->request_buffer;
2314
2315                 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
2316                         scsicmd->sc_data_direction);
2317
2318                 for (i = 0; i < sg_count; i++) {
2319                         int count = sg_dma_len(sg);
2320                         u64 addr = sg_dma_address(sg);
2321                         psg->sg[i].next = 0;
2322                         psg->sg[i].prev = 0;
2323                         psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
2324                         psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2325                         psg->sg[i].count = cpu_to_le32(count);
2326                         psg->sg[i].flags = 0;
2327                         byte_count += count;
2328                         sg++;
2329                 }
2330                 psg->count = cpu_to_le32(sg_count);
2331                 /* hba wants the size to be exact */
2332                 if(byte_count > scsicmd->request_bufflen){
2333                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2334                                 (byte_count - scsicmd->request_bufflen);
2335                         psg->sg[i-1].count = cpu_to_le32(temp);
2336                         byte_count = scsicmd->request_bufflen;
2337                 }
2338                 /* Check for command underflow */
2339                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2340                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2341                                         byte_count, scsicmd->underflow);
2342                 }
2343         }
2344         else if(scsicmd->request_bufflen) {
2345                 int count;
2346                 u64 addr;
2347                 scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
2348                                 scsicmd->request_buffer,
2349                                 scsicmd->request_bufflen,
2350                                 scsicmd->sc_data_direction);
2351                 addr = scsicmd->SCp.dma_handle;
2352                 count = scsicmd->request_bufflen;
2353                 psg->count = cpu_to_le32(1);
2354                 psg->sg[0].next = 0;
2355                 psg->sg[0].prev = 0;
2356                 psg->sg[0].addr[1] = cpu_to_le32((u32)(addr>>32));
2357                 psg->sg[0].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2358                 psg->sg[0].count = cpu_to_le32(count);
2359                 psg->sg[0].flags = 0;
2360                 byte_count = scsicmd->request_bufflen;
2361         }
2362         return byte_count;
2363 }
2364
2365 #ifdef AAC_DETAILED_STATUS_INFO
2366
2367 struct aac_srb_status_info {
2368         u32     status;
2369         char    *str;
2370 };
2371
2372
2373 static struct aac_srb_status_info srb_status_info[] = {
2374         { SRB_STATUS_PENDING,           "Pending Status"},
2375         { SRB_STATUS_SUCCESS,           "Success"},
2376         { SRB_STATUS_ABORTED,           "Aborted Command"},
2377         { SRB_STATUS_ABORT_FAILED,      "Abort Failed"},
2378         { SRB_STATUS_ERROR,             "Error Event"},
2379         { SRB_STATUS_BUSY,              "Device Busy"},
2380         { SRB_STATUS_INVALID_REQUEST,   "Invalid Request"},
2381         { SRB_STATUS_INVALID_PATH_ID,   "Invalid Path ID"},
2382         { SRB_STATUS_NO_DEVICE,         "No Device"},
2383         { SRB_STATUS_TIMEOUT,           "Timeout"},
2384         { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
2385         { SRB_STATUS_COMMAND_TIMEOUT,   "Command Timeout"},
2386         { SRB_STATUS_MESSAGE_REJECTED,  "Message Rejected"},
2387         { SRB_STATUS_BUS_RESET,         "Bus Reset"},
2388         { SRB_STATUS_PARITY_ERROR,      "Parity Error"},
2389         { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
2390         { SRB_STATUS_NO_HBA,            "No HBA"},
2391         { SRB_STATUS_DATA_OVERRUN,      "Data Overrun/Data Underrun"},
2392         { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
2393         { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
2394         { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
2395         { SRB_STATUS_REQUEST_FLUSHED,   "Request Flushed"},
2396         { SRB_STATUS_DELAYED_RETRY,     "Delayed Retry"},
2397         { SRB_STATUS_INVALID_LUN,       "Invalid LUN"},
2398         { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
2399         { SRB_STATUS_BAD_FUNCTION,      "Bad Function"},
2400         { SRB_STATUS_ERROR_RECOVERY,    "Error Recovery"},
2401         { SRB_STATUS_NOT_STARTED,       "Not Started"},
2402         { SRB_STATUS_NOT_IN_USE,        "Not In Use"},
2403         { SRB_STATUS_FORCE_ABORT,       "Force Abort"},
2404         { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
2405         { 0xff,                         "Unknown Error"}
2406 };
2407
2408 char *aac_get_status_string(u32 status)
2409 {
2410         int i;
2411
2412         for(i=0; i < (sizeof(srb_status_info)/sizeof(struct aac_srb_status_info)); i++ ){
2413                 if(srb_status_info[i].status == status){
2414                         return srb_status_info[i].str;
2415                 }
2416         }
2417
2418         return "Bad Status Code";
2419 }
2420
2421 #endif