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 <asm/semaphore.h>
  36 #include <asm/uaccess.h>
  37
  38 #include <scsi/scsi.h>
  39 #include <scsi/scsi_cmnd.h>
  40 #include <scsi/scsi_device.h>
  41 #include <scsi/scsi_host.h>
  42
  43 #include "aacraid.h"
  44
  45 /* values for inqd_pdt: Peripheral device type in plain English */
  46 #define INQD_PDT_DA     0x00    /* Direct-access (DISK) device */
  47 #define INQD_PDT_PROC   0x03    /* Processor device */
  48 #define INQD_PDT_CHNGR  0x08    /* Changer (jukebox, scsi2) */
  49 #define INQD_PDT_COMM   0x09    /* Communication device (scsi2) */
  50 #define INQD_PDT_NOLUN2 0x1f    /* Unknown Device (scsi2) */
  51 #define INQD_PDT_NOLUN  0x7f    /* Logical Unit Not Present */
  52
  53 #define INQD_PDT_DMASK  0x1F    /* Peripheral Device Type Mask */
  54 #define INQD_PDT_QMASK  0xE0    /* Peripheral Device Qualifer Mask */
  55
  56 #define MAX_FIB_DATA (sizeof(struct hw_fib) - sizeof(FIB_HEADER))
  57
  58 #define MAX_DRIVER_SG_SEGMENT_COUNT 17
  59
  60 /*
  61  *      Sense codes
  62  */
  63
  64 #define SENCODE_NO_SENSE                        0x00
  65 #define SENCODE_END_OF_DATA                     0x00
  66 #define SENCODE_BECOMING_READY                  0x04
  67 #define SENCODE_INIT_CMD_REQUIRED               0x04
  68 #define SENCODE_PARAM_LIST_LENGTH_ERROR         0x1A
  69 #define SENCODE_INVALID_COMMAND                 0x20
  70 #define SENCODE_LBA_OUT_OF_RANGE                0x21
  71 #define SENCODE_INVALID_CDB_FIELD               0x24
  72 #define SENCODE_LUN_NOT_SUPPORTED               0x25
  73 #define SENCODE_INVALID_PARAM_FIELD             0x26
  74 #define SENCODE_PARAM_NOT_SUPPORTED             0x26
  75 #define SENCODE_PARAM_VALUE_INVALID             0x26
  76 #define SENCODE_RESET_OCCURRED                  0x29
  77 #define SENCODE_LUN_NOT_SELF_CONFIGURED_YET     0x3E
  78 #define SENCODE_INQUIRY_DATA_CHANGED            0x3F
  79 #define SENCODE_SAVING_PARAMS_NOT_SUPPORTED     0x39
  80 #define SENCODE_DIAGNOSTIC_FAILURE              0x40
  81 #define SENCODE_INTERNAL_TARGET_FAILURE         0x44
  82 #define SENCODE_INVALID_MESSAGE_ERROR           0x49
  83 #define SENCODE_LUN_FAILED_SELF_CONFIG          0x4c
  84 #define SENCODE_OVERLAPPED_COMMAND              0x4E
  85
  86 /*
  87  *      Additional sense codes
  88  */
  89
  90 #define ASENCODE_NO_SENSE                       0x00
  91 #define ASENCODE_END_OF_DATA                    0x05
  92 #define ASENCODE_BECOMING_READY                 0x01
  93 #define ASENCODE_INIT_CMD_REQUIRED              0x02
  94 #define ASENCODE_PARAM_LIST_LENGTH_ERROR        0x00
  95 #define ASENCODE_INVALID_COMMAND                0x00
  96 #define ASENCODE_LBA_OUT_OF_RANGE               0x00
  97 #define ASENCODE_INVALID_CDB_FIELD              0x00
  98 #define ASENCODE_LUN_NOT_SUPPORTED              0x00
  99 #define ASENCODE_INVALID_PARAM_FIELD            0x00
 100 #define ASENCODE_PARAM_NOT_SUPPORTED            0x01
 101 #define ASENCODE_PARAM_VALUE_INVALID            0x02
 102 #define ASENCODE_RESET_OCCURRED                 0x00
 103 #define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET    0x00
 104 #define ASENCODE_INQUIRY_DATA_CHANGED           0x03
 105 #define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED    0x00
 106 #define ASENCODE_DIAGNOSTIC_FAILURE             0x80
 107 #define ASENCODE_INTERNAL_TARGET_FAILURE        0x00
 108 #define ASENCODE_INVALID_MESSAGE_ERROR          0x00
 109 #define ASENCODE_LUN_FAILED_SELF_CONFIG         0x00
 110 #define ASENCODE_OVERLAPPED_COMMAND             0x00
 111
 112 #define BYTE0(x) (unsigned char)(x)
 113 #define BYTE1(x) (unsigned char)((x) >> 8)
 114 #define BYTE2(x) (unsigned char)((x) >> 16)
 115 #define BYTE3(x) (unsigned char)((x) >> 24)
 116
 117 /*------------------------------------------------------------------------------
 118  *              S T R U C T S / T Y P E D E F S
 119  *----------------------------------------------------------------------------*/
 120 /* SCSI inquiry data */
 121 struct inquiry_data {
 122         u8 inqd_pdt;    /* Peripheral qualifier | Peripheral Device Type  */
 123         u8 inqd_dtq;    /* RMB | Device Type Qualifier  */
 124         u8 inqd_ver;    /* ISO version | ECMA version | ANSI-approved version */
 125         u8 inqd_rdf;    /* AENC | TrmIOP | Response data format */
 126         u8 inqd_len;    /* Additional length (n-4) */
 127         u8 inqd_pad1[2];/* Reserved - must be zero */
 128         u8 inqd_pad2;   /* RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
 129         u8 inqd_vid[8]; /* Vendor ID */
 130         u8 inqd_pid[16];/* Product ID */
 131         u8 inqd_prl[4]; /* Product Revision Level */
 132 };
 133
 134 /*
 135  *              M O D U L E   G L O B A L S
 136  */
 137
 138 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap);
 139 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg);
 140 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
 141 #ifdef AAC_DETAILED_STATUS_INFO
 142 static char *aac_get_status_string(u32 status);
 143 #endif
 144
 145 /*
 146  *      Non dasd selection is handled entirely in aachba now
 147  */
 148
 149 static int nondasd = -1;
 150 static int dacmode = -1;
 151
 152 static int commit = -1;
 153
 154 module_param(nondasd, int, 0);
 155 MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on");
 156 module_param(dacmode, int, 0);
 157 MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC. 0=off, 1=on");
 158 module_param(commit, int, 0);
 159 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");
 160
 161 /**
 162  *      aac_get_config_status   -       check the adapter configuration
 163  *      @common: adapter to query
 164  *
 165  *      Query config status, and commit the configuration if needed.
 166  */
 167 int aac_get_config_status(struct aac_dev *dev)
 168 {
 169         int status = 0;
 170         struct fib * fibptr;
 171
 172         if (!(fibptr = fib_alloc(dev)))
 173                 return -ENOMEM;
 174
 175         fib_init(fibptr);
 176         {
 177                 struct aac_get_config_status *dinfo;
 178                 dinfo = (struct aac_get_config_status *) fib_data(fibptr);
 179
 180                 dinfo->command = cpu_to_le32(VM_ContainerConfig);
 181                 dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
 182                 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
 183         }
 184
 185         status = fib_send(ContainerCommand,
 186                             fibptr,
 187                             sizeof (struct aac_get_config_status),
 188                             FsaNormal,
 189                             1, 1,
 190                             NULL, NULL);
 191         if (status < 0 ) {
 192                 printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
 193         } else {
 194                 struct aac_get_config_status_resp *reply
 195                   = (struct aac_get_config_status_resp *) fib_data(fibptr);
 196                 dprintk((KERN_WARNING
 197                   "aac_get_config_status: response=%d status=%d action=%d\n",
 198                   le32_to_cpu(reply->response),
 199                   le32_to_cpu(reply->status),
 200                   le32_to_cpu(reply->data.action)));
 201                 if ((le32_to_cpu(reply->response) != ST_OK) ||
 202                      (le32_to_cpu(reply->status) != CT_OK) ||
 203                      (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
 204                         printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
 205                         status = -EINVAL;
 206                 }
 207         }
 208         fib_complete(fibptr);
 209         /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
 210         if (status >= 0) {
 211                 if (commit == 1) {
 212                         struct aac_commit_config * dinfo;
 213                         fib_init(fibptr);
 214                         dinfo = (struct aac_commit_config *) fib_data(fibptr);
 215
 216                         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 217                         dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
 218
 219                         status = fib_send(ContainerCommand,
 220                                     fibptr,
 221                                     sizeof (struct aac_commit_config),
 222                                     FsaNormal,
 223                                     1, 1,
 224                                     NULL, NULL);
 225                         fib_complete(fibptr);
 226                 } else if (commit == 0) {
 227                         printk(KERN_WARNING
 228                           "aac_get_config_status: Foreign device configurations are being ignored\n");
 229                 }
 230         }
 231         fib_free(fibptr);
 232         return status;
 233 }
 234
 235 /**
 236  *      aac_get_containers      -       list containers
 237  *      @common: adapter to probe
 238  *
 239  *      Make a list of all containers on this controller
 240  */
 241 int aac_get_containers(struct aac_dev *dev)
 242 {
 243         struct fsa_dev_info *fsa_dev_ptr;
 244         u32 index;
 245         int status = 0;
 246         struct fib * fibptr;
 247         unsigned instance;
 248         struct aac_get_container_count *dinfo;
 249         struct aac_get_container_count_resp *dresp;
 250         int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 251
 252         instance = dev->scsi_host_ptr->unique_id;
 253
 254         if (!(fibptr = fib_alloc(dev)))
 255                 return -ENOMEM;
 256
 257         fib_init(fibptr);
 258         dinfo = (struct aac_get_container_count *) fib_data(fibptr);
 259         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 260         dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
 261
 262         status = fib_send(ContainerCommand,
 263                     fibptr,
 264                     sizeof (struct aac_get_container_count),
 265                     FsaNormal,
 266                     1, 1,
 267                     NULL, NULL);
 268         if (status >= 0) {
 269                 dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
 270                 maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
 271                 fib_complete(fibptr);
 272         }
 273
 274         if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
 275                 maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 276
 277         fsa_dev_ptr = (struct fsa_dev_info *) kmalloc(
 278           sizeof(*fsa_dev_ptr) * maximum_num_containers, GFP_KERNEL);
 279         if (!fsa_dev_ptr) {
 280                 fib_free(fibptr);
 281                 return -ENOMEM;
 282         }
 283         memset(fsa_dev_ptr, 0, sizeof(*fsa_dev_ptr) * maximum_num_containers);
 284
 285         dev->fsa_dev = fsa_dev_ptr;
 286         dev->maximum_num_containers = maximum_num_containers;
 287
 288         for (index = 0; index < dev->maximum_num_containers; index++) {
 289                 struct aac_query_mount *dinfo;
 290                 struct aac_mount *dresp;
 291
 292                 fsa_dev_ptr[index].devname[0] = '\0';
 293
 294                 fib_init(fibptr);
 295                 dinfo = (struct aac_query_mount *) fib_data(fibptr);
 296
 297                 dinfo->command = cpu_to_le32(VM_NameServe);
 298                 dinfo->count = cpu_to_le32(index);
 299                 dinfo->type = cpu_to_le32(FT_FILESYS);
 300
 301                 status = fib_send(ContainerCommand,
 302                                     fibptr,
 303                                     sizeof (struct aac_query_mount),
 304                                     FsaNormal,
 305                                     1, 1,
 306                                     NULL, NULL);
 307                 if (status < 0 ) {
 308                         printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
 309                         break;
 310                 }
 311                 dresp = (struct aac_mount *)fib_data(fibptr);
 312
 313                 dprintk ((KERN_DEBUG
 314                   "VM_NameServe cid=%d status=%d vol=%d state=%d cap=%u\n",
 315                   (int)index, (int)le32_to_cpu(dresp->status),
 316                   (int)le32_to_cpu(dresp->mnt[0].vol),
 317                   (int)le32_to_cpu(dresp->mnt[0].state),
 318                   (unsigned)le32_to_cpu(dresp->mnt[0].capacity)));
 319                 if ((le32_to_cpu(dresp->status) == ST_OK) &&
 320                     (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
 321                     (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
 322                         fsa_dev_ptr[index].valid = 1;
 323                         fsa_dev_ptr[index].type = le32_to_cpu(dresp->mnt[0].vol);
 324                         fsa_dev_ptr[index].size = le32_to_cpu(dresp->mnt[0].capacity);
 325                         if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY)
 326                                     fsa_dev_ptr[index].ro = 1;
 327                 }
 328                 fib_complete(fibptr);
 329                 /*
 330                  *      If there are no more containers, then stop asking.
 331                  */
 332                 if ((index + 1) >= le32_to_cpu(dresp->count)){
 333                         break;
 334                 }
 335         }
 336         fib_free(fibptr);
 337         return status;
 338 }
 339
 340 static void aac_io_done(struct scsi_cmnd * scsicmd)
 341 {
 342         unsigned long cpu_flags;
 343         struct Scsi_Host *host = scsicmd->device->host;
 344         spin_lock_irqsave(host->host_lock, cpu_flags);
 345         scsicmd->scsi_done(scsicmd);
 346         spin_unlock_irqrestore(host->host_lock, cpu_flags);
 347 }
 348
 349 static void get_container_name_callback(void *context, struct fib * fibptr)
 350 {
 351         struct aac_get_name_resp * get_name_reply;
 352         struct scsi_cmnd * scsicmd;
 353
 354         scsicmd = (struct scsi_cmnd *) context;
 355
 356         dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
 357         if (fibptr == NULL)
 358                 BUG();
 359
 360         get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
 361         /* Failure is irrelevant, using default value instead */
 362         if ((le32_to_cpu(get_name_reply->status) == CT_OK)
 363          && (get_name_reply->data[0] != '\0')) {
 364                 int    count;
 365                 char * dp;
 366                 char * sp = get_name_reply->data;
 367                 sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0';
 368                 while (*sp == ' ')
 369                         ++sp;
 370                 count = sizeof(((struct inquiry_data *)NULL)->inqd_pid);
 371                 dp = ((struct inquiry_data *)scsicmd->request_buffer)->inqd_pid;
 372                 if (*sp) do {
 373                         *dp++ = (*sp) ? *sp++ : ' ';
 374                 } while (--count > 0);
 375         }
 376         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 377
 378         fib_complete(fibptr);
 379         fib_free(fibptr);
 380         aac_io_done(scsicmd);
 381 }
 382
 383 /**
 384  *      aac_get_container_name  -       get container name, none blocking.
 385  */
 386 static int aac_get_container_name(struct scsi_cmnd * scsicmd, int cid)
 387 {
 388         int status;
 389         struct aac_get_name *dinfo;
 390         struct fib * cmd_fibcontext;
 391         struct aac_dev * dev;
 392
 393         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 394
 395         if (!(cmd_fibcontext = fib_alloc(dev)))
 396                 return -ENOMEM;
 397
 398         fib_init(cmd_fibcontext);
 399         dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
 400
 401         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 402         dinfo->type = cpu_to_le32(CT_READ_NAME);
 403         dinfo->cid = cpu_to_le32(cid);
 404         dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));
 405
 406         status = fib_send(ContainerCommand,
 407                   cmd_fibcontext,
 408                   sizeof (struct aac_get_name),
 409                   FsaNormal,
 410                   0, 1,
 411                   (fib_callback) get_container_name_callback,
 412                   (void *) scsicmd);
 413
 414         /*
 415          *      Check that the command queued to the controller
 416          */
 417         if (status == -EINPROGRESS)
 418                 return 0;
 419
 420         printk(KERN_WARNING "aac_get_container_name: fib_send failed with status: %d.\n", status);
 421         fib_complete(cmd_fibcontext);
 422         fib_free(cmd_fibcontext);
 423         return -1;
 424 }
 425
 426 /**
 427  *      probe_container         -       query a logical volume
 428  *      @dev: device to query
 429  *      @cid: container identifier
 430  *
 431  *      Queries the controller about the given volume. The volume information
 432  *      is updated in the struct fsa_dev_info structure rather than returned.
 433  */
 434
 435 static int probe_container(struct aac_dev *dev, int cid)
 436 {
 437         struct fsa_dev_info *fsa_dev_ptr;
 438         int status;
 439         struct aac_query_mount *dinfo;
 440         struct aac_mount *dresp;
 441         struct fib * fibptr;
 442         unsigned instance;
 443
 444         fsa_dev_ptr = dev->fsa_dev;
 445         instance = dev->scsi_host_ptr->unique_id;
 446
 447         if (!(fibptr = fib_alloc(dev)))
 448                 return -ENOMEM;
 449
 450         fib_init(fibptr);
 451
 452         dinfo = (struct aac_query_mount *)fib_data(fibptr);
 453
 454         dinfo->command = cpu_to_le32(VM_NameServe);
 455         dinfo->count = cpu_to_le32(cid);
 456         dinfo->type = cpu_to_le32(FT_FILESYS);
 457
 458         status = fib_send(ContainerCommand,
 459                             fibptr,
 460                             sizeof(struct aac_query_mount),
 461                             FsaNormal,
 462                             1, 1,
 463                             NULL, NULL);
 464         if (status < 0) {
 465                 printk(KERN_WARNING "aacraid: probe_containers query failed.\n");
 466                 goto error;
 467         }
 468
 469         dresp = (struct aac_mount *) fib_data(fibptr);
 470
 471         if ((le32_to_cpu(dresp->status) == ST_OK) &&
 472             (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
 473             (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
 474                 fsa_dev_ptr[cid].valid = 1;
 475                 fsa_dev_ptr[cid].type = le32_to_cpu(dresp->mnt[0].vol);
 476                 fsa_dev_ptr[cid].size = le32_to_cpu(dresp->mnt[0].capacity);
 477                 if (le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY)
 478                         fsa_dev_ptr[cid].ro = 1;
 479         }
 480
 481 error:
 482         fib_complete(fibptr);
 483         fib_free(fibptr);
 484
 485         return status;
 486 }
 487
 488 /* Local Structure to set SCSI inquiry data strings */
 489 struct scsi_inq {
 490         char vid[8];         /* Vendor ID */
 491         char pid[16];        /* Product ID */
 492         char prl[4];         /* Product Revision Level */
 493 };
 494
 495 /**
 496  *      InqStrCopy      -       string merge
 497  *      @a:     string to copy from
 498  *      @b:     string to copy to
 499  *
 500  *      Copy a String from one location to another
 501  *      without copying \0
 502  */
 503
 504 static void inqstrcpy(char *a, char *b)
 505 {
 506
 507         while(*a != (char)0)
 508                 *b++ = *a++;
 509 }
 510
 511 static char *container_types[] = {
 512         "None",
 513         "Volume",
 514         "Mirror",
 515         "Stripe",
 516         "RAID5",
 517         "SSRW",
 518         "SSRO",
 519         "Morph",
 520         "Legacy",
 521         "RAID4",
 522         "RAID10",
 523         "RAID00",
 524         "V-MIRRORS",
 525         "PSEUDO R4",
 526         "RAID50",
 527         "Unknown"
 528 };
 529
 530
 531
 532 /* Function: setinqstr
 533  *
 534  * Arguments: [1] pointer to void [1] int
 535  *
 536  * Purpose: Sets SCSI inquiry data strings for vendor, product
 537  * and revision level. Allows strings to be set in platform dependant
 538  * files instead of in OS dependant driver source.
 539  */
 540
 541 static void setinqstr(int devtype, void *data, int tindex)
 542 {
 543         struct scsi_inq *str;
 544         struct aac_driver_ident *mp;
 545
 546         mp = aac_get_driver_ident(devtype);
 547
 548         str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
 549
 550         inqstrcpy (mp->vname, str->vid);
 551         inqstrcpy (mp->model, str->pid); /* last six chars reserved for vol type */
 552
 553         if (tindex < (sizeof(container_types)/sizeof(char *))){
 554                 char *findit = str->pid;
 555
 556                 for ( ; *findit != ' '; findit++); /* walk till we find a space */
 557                 /* RAID is superfluous in the context of a RAID device */
 558                 if (memcmp(findit-4, "RAID", 4) == 0)
 559                         *(findit -= 4) = ' ';
 560                 inqstrcpy (container_types[tindex], findit + 1);
 561         }
 562         inqstrcpy ("V1.0", str->prl);
 563 }
 564
 565 void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code,
 566                     u8 a_sense_code, u8 incorrect_length,
 567                     u8 bit_pointer, u16 field_pointer,
 568                     u32 residue)
 569 {
 570         sense_buf[0] = 0xF0;    /* Sense data valid, err code 70h (current error) */
 571         sense_buf[1] = 0;       /* Segment number, always zero */
 572
 573         if (incorrect_length) {
 574                 sense_buf[2] = sense_key | 0x20;/* Set ILI bit | sense key */
 575                 sense_buf[3] = BYTE3(residue);
 576                 sense_buf[4] = BYTE2(residue);
 577                 sense_buf[5] = BYTE1(residue);
 578                 sense_buf[6] = BYTE0(residue);
 579         } else
 580                 sense_buf[2] = sense_key;       /* Sense key */
 581
 582         if (sense_key == ILLEGAL_REQUEST)
 583                 sense_buf[7] = 10;      /* Additional sense length */
 584         else
 585                 sense_buf[7] = 6;       /* Additional sense length */
 586
 587         sense_buf[12] = sense_code;     /* Additional sense code */
 588         sense_buf[13] = a_sense_code;   /* Additional sense code qualifier */
 589         if (sense_key == ILLEGAL_REQUEST) {
 590                 sense_buf[15] = 0;
 591
 592                 if (sense_code == SENCODE_INVALID_PARAM_FIELD)
 593                         sense_buf[15] = 0x80;/* Std sense key specific field */
 594                 /* Illegal parameter is in the parameter block */
 595
 596                 if (sense_code == SENCODE_INVALID_CDB_FIELD)
 597                         sense_buf[15] = 0xc0;/* Std sense key specific field */
 598                 /* Illegal parameter is in the CDB block */
 599                 sense_buf[15] |= bit_pointer;
 600                 sense_buf[16] = field_pointer >> 8;     /* MSB */
 601                 sense_buf[17] = field_pointer;          /* LSB */
 602         }
 603 }
 604
 605 int aac_get_adapter_info(struct aac_dev* dev)
 606 {
 607         struct fib* fibptr;
 608         struct aac_adapter_info* info;
 609         int rcode;
 610         u32 tmp;
 611         if (!(fibptr = fib_alloc(dev)))
 612                 return -ENOMEM;
 613
 614         fib_init(fibptr);
 615         info = (struct aac_adapter_info*) fib_data(fibptr);
 616
 617         memset(info,0,sizeof(struct aac_adapter_info));
 618
 619         rcode = fib_send(RequestAdapterInfo,
 620                         fibptr,
 621                         sizeof(struct aac_adapter_info),
 622                         FsaNormal,
 623                         1, 1,
 624                         NULL,
 625                         NULL);
 626
 627         memcpy(&dev->adapter_info, info, sizeof(struct aac_adapter_info));
 628
 629         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
 630         printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d]\n",
 631                         dev->name,
 632                         dev->id,
 633                         tmp>>24,
 634                         (tmp>>16)&0xff,
 635                         tmp&0xff,
 636                         le32_to_cpu(dev->adapter_info.kernelbuild));
 637         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
 638         printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
 639                         dev->name, dev->id,
 640                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
 641                         le32_to_cpu(dev->adapter_info.monitorbuild));
 642         tmp = le32_to_cpu(dev->adapter_info.biosrev);
 643         printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
 644                         dev->name, dev->id,
 645                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
 646                         le32_to_cpu(dev->adapter_info.biosbuild));
 647         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
 648                 printk(KERN_INFO "%s%d: serial %x\n",
 649                         dev->name, dev->id,
 650                         le32_to_cpu(dev->adapter_info.serial[0]));
 651
 652         dev->nondasd_support = 0;
 653         dev->raid_scsi_mode = 0;
 654         if(dev->adapter_info.options & AAC_OPT_NONDASD){
 655                 dev->nondasd_support = 1;
 656         }
 657
 658         /*
 659          * If the firmware supports ROMB RAID/SCSI mode and we are currently
 660          * in RAID/SCSI mode, set the flag. For now if in this mode we will
 661          * force nondasd support on. If we decide to allow the non-dasd flag
 662          * additional changes changes will have to be made to support
 663          * RAID/SCSI.  the function aac_scsi_cmd in this module will have to be
 664          * changed to support the new dev->raid_scsi_mode flag instead of
 665          * leaching off of the dev->nondasd_support flag. Also in linit.c the
 666          * function aac_detect will have to be modified where it sets up the
 667          * max number of channels based on the aac->nondasd_support flag only.
 668          */
 669         if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
 670             (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
 671                 dev->nondasd_support = 1;
 672                 dev->raid_scsi_mode = 1;
 673         }
 674         if (dev->raid_scsi_mode != 0)
 675                 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
 676                                 dev->name, dev->id);
 677
 678         if(nondasd != -1) {
 679                 dev->nondasd_support = (nondasd!=0);
 680         }
 681         if(dev->nondasd_support != 0){
 682                 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
 683         }
 684
 685         dev->dac_support = 0;
 686         if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){
 687                 printk(KERN_INFO "%s%d: 64bit support enabled.\n", dev->name, dev->id);
 688                 dev->dac_support = 1;
 689         }
 690
 691         if(dacmode != -1) {
 692                 dev->dac_support = (dacmode!=0);
 693         }
 694         if(dev->dac_support != 0) {
 695                 if (!pci_set_dma_mask(dev->pdev, 0xFFFFFFFFFFFFFFFFULL) &&
 696                         !pci_set_consistent_dma_mask(dev->pdev, 0xFFFFFFFFFFFFFFFFULL)) {
 697                         printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
 698                                 dev->name, dev->id);
 699                 } else if (!pci_set_dma_mask(dev->pdev, 0xFFFFFFFFULL) &&
 700                         !pci_set_consistent_dma_mask(dev->pdev, 0xFFFFFFFFULL)) {
 701                         printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
 702                                 dev->name, dev->id);
 703                         dev->dac_support = 0;
 704                 } else {
 705                         printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
 706                                 dev->name, dev->id);
 707                         rcode = -ENOMEM;
 708                 }
 709         }
 710
 711         fib_complete(fibptr);
 712         fib_free(fibptr);
 713
 714         return rcode;
 715 }
 716
 717
 718 static void read_callback(void *context, struct fib * fibptr)
 719 {
 720         struct aac_dev *dev;
 721         struct aac_read_reply *readreply;
 722         struct scsi_cmnd *scsicmd;
 723         u32 lba;
 724         u32 cid;
 725
 726         scsicmd = (struct scsi_cmnd *) context;
 727
 728         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 729         cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun);
 730
 731         lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
 732         dprintk((KERN_DEBUG "read_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies));
 733
 734         if (fibptr == NULL)
 735                 BUG();
 736
 737         if(scsicmd->use_sg)
 738                 pci_unmap_sg(dev->pdev,
 739                         (struct scatterlist *)scsicmd->buffer,
 740                         scsicmd->use_sg,
 741                         scsicmd->sc_data_direction);
 742         else if(scsicmd->request_bufflen)
 743                 pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle,
 744                                  scsicmd->request_bufflen,
 745                                  scsicmd->sc_data_direction);
 746         readreply = (struct aac_read_reply *)fib_data(fibptr);
 747         if (le32_to_cpu(readreply->status) == ST_OK)
 748                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 749         else {
 750                 printk(KERN_WARNING "read_callback: read failed, status = %d\n",
 751                                 le32_to_cpu(readreply->status));
 752                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
 753                 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
 754                                     HARDWARE_ERROR,
 755                                     SENCODE_INTERNAL_TARGET_FAILURE,
 756                                     ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
 757                                     0, 0);
 758                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
 759                   (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
 760                     ? sizeof(scsicmd->sense_buffer)
 761                     : sizeof(dev->fsa_dev[cid].sense_data));
 762         }
 763         fib_complete(fibptr);
 764         fib_free(fibptr);
 765
 766         aac_io_done(scsicmd);
 767 }
 768
 769 static void write_callback(void *context, struct fib * fibptr)
 770 {
 771         struct aac_dev *dev;
 772         struct aac_write_reply *writereply;
 773         struct scsi_cmnd *scsicmd;
 774         u32 lba;
 775         u32 cid;
 776
 777         scsicmd = (struct scsi_cmnd *) context;
 778         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 779         cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun);
 780
 781         lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
 782         dprintk((KERN_DEBUG "write_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies));
 783         if (fibptr == NULL)
 784                 BUG();
 785
 786         if(scsicmd->use_sg)
 787                 pci_unmap_sg(dev->pdev,
 788                         (struct scatterlist *)scsicmd->buffer,
 789                         scsicmd->use_sg,
 790                         scsicmd->sc_data_direction);
 791         else if(scsicmd->request_bufflen)
 792                 pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle,
 793                                  scsicmd->request_bufflen,
 794                                  scsicmd->sc_data_direction);
 795
 796         writereply = (struct aac_write_reply *) fib_data(fibptr);
 797         if (le32_to_cpu(writereply->status) == ST_OK)
 798                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 799         else {
 800                 printk(KERN_WARNING "write_callback: write failed, status = %d\n", writereply->status);
 801                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
 802                 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
 803                                     HARDWARE_ERROR,
 804                                     SENCODE_INTERNAL_TARGET_FAILURE,
 805                                     ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
 806                                     0, 0);
 807                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
 808                                 sizeof(struct sense_data));
 809         }
 810
 811         fib_complete(fibptr);
 812         fib_free(fibptr);
 813         aac_io_done(scsicmd);
 814 }
 815
 816 int aac_read(struct scsi_cmnd * scsicmd, int cid)
 817 {
 818         u32 lba;
 819         u32 count;
 820         int status;
 821
 822         u16 fibsize;
 823         struct aac_dev *dev;
 824         struct fib * cmd_fibcontext;
 825
 826         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 827         /*
 828          *      Get block address and transfer length
 829          */
 830         if (scsicmd->cmnd[0] == READ_6) /* 6 byte command */
 831         {
 832                 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", cid));
 833
 834                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
 835                 count = scsicmd->cmnd[4];
 836
 837                 if (count == 0)
 838                         count = 256;
 839         } else {
 840                 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", cid));
 841
 842                 lba = (scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
 843                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
 844         }
 845         dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies));
 846         /*
 847          *      Alocate and initialize a Fib
 848          */
 849         if (!(cmd_fibcontext = fib_alloc(dev))) {
 850                 return -1;
 851         }
 852
 853         fib_init(cmd_fibcontext);
 854
 855         if(dev->dac_support == 1) {
 856                 struct aac_read64 *readcmd;
 857                 readcmd = (struct aac_read64 *) fib_data(cmd_fibcontext);
 858                 readcmd->command = cpu_to_le32(VM_CtHostRead64);
 859                 readcmd->cid = cpu_to_le16(cid);
 860                 readcmd->sector_count = cpu_to_le16(count);
 861                 readcmd->block = cpu_to_le32(lba);
 862                 readcmd->pad   = 0;
 863                 readcmd->flags = 0;
 864
 865                 aac_build_sg64(scsicmd, &readcmd->sg);
 866                 fibsize = sizeof(struct aac_read64) +
 867                         ((le32_to_cpu(readcmd->sg.count) - 1) *
 868                          sizeof (struct sgentry64));
 869                 BUG_ON (fibsize > (sizeof(struct hw_fib) -
 870                                         sizeof(struct aac_fibhdr)));
 871                 /*
 872                  *      Now send the Fib to the adapter
 873                  */
 874                 status = fib_send(ContainerCommand64,
 875                           cmd_fibcontext,
 876                           fibsize,
 877                           FsaNormal,
 878                           0, 1,
 879                           (fib_callback) read_callback,
 880                           (void *) scsicmd);
 881         } else {
 882                 struct aac_read *readcmd;
 883                 readcmd = (struct aac_read *) fib_data(cmd_fibcontext);
 884                 readcmd->command = cpu_to_le32(VM_CtBlockRead);
 885                 readcmd->cid = cpu_to_le32(cid);
 886                 readcmd->block = cpu_to_le32(lba);
 887                 readcmd->count = cpu_to_le32(count * 512);
 888
 889                 if (count * 512 > (64 * 1024))
 890                         BUG();
 891
 892                 aac_build_sg(scsicmd, &readcmd->sg);
 893                 fibsize = sizeof(struct aac_read) +
 894                         ((le32_to_cpu(readcmd->sg.count) - 1) *
 895                          sizeof (struct sgentry));
 896                 BUG_ON (fibsize > (sizeof(struct hw_fib) -
 897                                         sizeof(struct aac_fibhdr)));
 898                 /*
 899                  *      Now send the Fib to the adapter
 900                  */
 901                 status = fib_send(ContainerCommand,
 902                           cmd_fibcontext,
 903                           fibsize,
 904                           FsaNormal,
 905                           0, 1,
 906                           (fib_callback) read_callback,
 907                           (void *) scsicmd);
 908         }
 909
 910
 911
 912         /*
 913          *      Check that the command queued to the controller
 914          */
 915         if (status == -EINPROGRESS)
 916                 return 0;
 917
 918         printk(KERN_WARNING "aac_read: fib_send failed with status: %d.\n", status);
 919         /*
 920          *      For some reason, the Fib didn't queue, return QUEUE_FULL
 921          */
 922         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
 923         aac_io_done(scsicmd);
 924         fib_complete(cmd_fibcontext);
 925         fib_free(cmd_fibcontext);
 926         return 0;
 927 }
 928
 929 static int aac_write(struct scsi_cmnd * scsicmd, int cid)
 930 {
 931         u32 lba;
 932         u32 count;
 933         int status;
 934         u16 fibsize;
 935         struct aac_dev *dev;
 936         struct fib * cmd_fibcontext;
 937
 938         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 939         /*
 940          *      Get block address and transfer length
 941          */
 942         if (scsicmd->cmnd[0] == WRITE_6)        /* 6 byte command */
 943         {
 944                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
 945                 count = scsicmd->cmnd[4];
 946                 if (count == 0)
 947                         count = 256;
 948         } else {
 949                 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", cid));
 950                 lba = (scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
 951                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
 952         }
 953         dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %u, t = %ld.\n",
 954           smp_processor_id(), (unsigned long long)lba, jiffies));
 955         /*
 956          *      Allocate and initialize a Fib then setup a BlockWrite command
 957          */
 958         if (!(cmd_fibcontext = fib_alloc(dev))) {
 959                 scsicmd->result = DID_ERROR << 16;
 960                 aac_io_done(scsicmd);
 961                 return 0;
 962         }
 963         fib_init(cmd_fibcontext);
 964
 965         if(dev->dac_support == 1) {
 966                 struct aac_write64 *writecmd;
 967                 writecmd = (struct aac_write64 *) fib_data(cmd_fibcontext);
 968                 writecmd->command = cpu_to_le32(VM_CtHostWrite64);
 969                 writecmd->cid = cpu_to_le16(cid);
 970                 writecmd->sector_count = cpu_to_le16(count);
 971                 writecmd->block = cpu_to_le32(lba);
 972                 writecmd->pad   = 0;
 973                 writecmd->flags = 0;
 974
 975                 aac_build_sg64(scsicmd, &writecmd->sg);
 976                 fibsize = sizeof(struct aac_write64) +
 977                         ((le32_to_cpu(writecmd->sg.count) - 1) *
 978                          sizeof (struct sgentry64));
 979                 BUG_ON (fibsize > (sizeof(struct hw_fib) -
 980                                         sizeof(struct aac_fibhdr)));
 981                 /*
 982                  *      Now send the Fib to the adapter
 983                  */
 984                 status = fib_send(ContainerCommand64,
 985                           cmd_fibcontext,
 986                           fibsize,
 987                           FsaNormal,
 988                           0, 1,
 989                           (fib_callback) write_callback,
 990                           (void *) scsicmd);
 991         } else {
 992                 struct aac_write *writecmd;
 993                 writecmd = (struct aac_write *) fib_data(cmd_fibcontext);
 994                 writecmd->command = cpu_to_le32(VM_CtBlockWrite);
 995                 writecmd->cid = cpu_to_le32(cid);
 996                 writecmd->block = cpu_to_le32(lba);
 997                 writecmd->count = cpu_to_le32(count * 512);
 998                 writecmd->sg.count = cpu_to_le32(1);
 999                 /* ->stable is not used - it did mean which type of write */
1000
1001                 if (count * 512 > (64 * 1024)) {
1002                         BUG();
1003                 }
1004
1005                 aac_build_sg(scsicmd, &writecmd->sg);
1006                 fibsize = sizeof(struct aac_write) +
1007                         ((le32_to_cpu(writecmd->sg.count) - 1) *
1008                          sizeof (struct sgentry));
1009                 BUG_ON (fibsize > (sizeof(struct hw_fib) -
1010                                         sizeof(struct aac_fibhdr)));
1011                 /*
1012                  *      Now send the Fib to the adapter
1013                  */
1014                 status = fib_send(ContainerCommand,
1015                           cmd_fibcontext,
1016                           fibsize,
1017                           FsaNormal,
1018                           0, 1,
1019                           (fib_callback) write_callback,
1020                           (void *) scsicmd);
1021         }
1022
1023         /*
1024          *      Check that the command queued to the controller
1025          */
1026         if (status == -EINPROGRESS)
1027         {
1028                 dprintk("write queued.\n");
1029                 return 0;
1030         }
1031
1032         printk(KERN_WARNING "aac_write: fib_send failed with status: %d\n", status);
1033         /*
1034          *      For some reason, the Fib didn't queue, return QUEUE_FULL
1035          */
1036         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1037         aac_io_done(scsicmd);
1038
1039         fib_complete(cmd_fibcontext);
1040         fib_free(cmd_fibcontext);
1041         return 0;
1042 }
1043
1044 static void synchronize_callback(void *context, struct fib *fibptr)
1045 {
1046         struct aac_synchronize_reply *synchronizereply;
1047         struct scsi_cmnd *cmd;
1048
1049         cmd = context;
1050
1051         dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
1052                                 smp_processor_id(), jiffies));
1053         BUG_ON(fibptr == NULL);
1054
1055
1056         synchronizereply = fib_data(fibptr);
1057         if (le32_to_cpu(synchronizereply->status) == CT_OK)
1058                 cmd->result = DID_OK << 16 |
1059                         COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1060         else {
1061                 struct scsi_device *sdev = cmd->device;
1062                 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1063                 u32 cid = ID_LUN_TO_CONTAINER(sdev->id, sdev->lun);
1064                 printk(KERN_WARNING
1065                      "synchronize_callback: synchronize failed, status = %d\n",
1066                      le32_to_cpu(synchronizereply->status));
1067                 cmd->result = DID_OK << 16 |
1068                         COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1069                 set_sense((u8 *)&dev->fsa_dev[cid].sense_data,
1070                                     HARDWARE_ERROR,
1071                                     SENCODE_INTERNAL_TARGET_FAILURE,
1072                                     ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1073                                     0, 0);
1074                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1075                   min(sizeof(dev->fsa_dev[cid].sense_data),
1076                           sizeof(cmd->sense_buffer)));
1077         }
1078
1079         fib_complete(fibptr);
1080         fib_free(fibptr);
1081         aac_io_done(cmd);
1082 }
1083
1084 static int aac_synchronize(struct scsi_cmnd *scsicmd, int cid)
1085 {
1086         int status;
1087         struct fib *cmd_fibcontext;
1088         struct aac_synchronize *synchronizecmd;
1089         struct scsi_cmnd *cmd;
1090         struct scsi_device *sdev = scsicmd->device;
1091         int active = 0;
1092         unsigned long flags;
1093
1094         /*
1095          * Wait for all commands to complete to this specific
1096          * target (block).
1097          */
1098         spin_lock_irqsave(&sdev->list_lock, flags);
1099         list_for_each_entry(cmd, &sdev->cmd_list, list)
1100                 if (cmd != scsicmd && cmd->serial_number != 0) {
1101                         ++active;
1102                         break;
1103                 }
1104
1105         spin_unlock_irqrestore(&sdev->list_lock, flags);
1106
1107         /*
1108          *      Yield the processor (requeue for later)
1109          */
1110         if (active)
1111                 return SCSI_MLQUEUE_DEVICE_BUSY;
1112
1113         /*
1114          *      Alocate and initialize a Fib
1115          */
1116         if (!(cmd_fibcontext =
1117             fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata)))
1118                 return SCSI_MLQUEUE_HOST_BUSY;
1119
1120         fib_init(cmd_fibcontext);
1121
1122         synchronizecmd = fib_data(cmd_fibcontext);
1123         synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
1124         synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
1125         synchronizecmd->cid = cpu_to_le32(cid);
1126         synchronizecmd->count =
1127              cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
1128
1129         /*
1130          *      Now send the Fib to the adapter
1131          */
1132         status = fib_send(ContainerCommand,
1133                   cmd_fibcontext,
1134                   sizeof(struct aac_synchronize),
1135                   FsaNormal,
1136                   0, 1,
1137                   (fib_callback)synchronize_callback,
1138                   (void *)scsicmd);
1139
1140         /*
1141          *      Check that the command queued to the controller
1142          */
1143         if (status == -EINPROGRESS)
1144                 return 0;
1145
1146         printk(KERN_WARNING
1147                 "aac_synchronize: fib_send failed with status: %d.\n", status);
1148         fib_complete(cmd_fibcontext);
1149         fib_free(cmd_fibcontext);
1150         return SCSI_MLQUEUE_HOST_BUSY;
1151 }
1152
1153 /**
1154  *      aac_scsi_cmd()          -       Process SCSI command
1155  *      @scsicmd:               SCSI command block
1156  *
1157  *      Emulate a SCSI command and queue the required request for the
1158  *      aacraid firmware.
1159  */
1160
1161 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
1162 {
1163         u32 cid = 0;
1164         struct Scsi_Host *host = scsicmd->device->host;
1165         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
1166         struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
1167         int cardtype = dev->cardtype;
1168         int ret;
1169
1170         /*
1171          *      If the bus, id or lun is out of range, return fail
1172          *      Test does not apply to ID 16, the pseudo id for the controller
1173          *      itself.
1174          */
1175         if (scsicmd->device->id != host->this_id) {
1176                 if ((scsicmd->device->channel == 0) ){
1177                         if( (scsicmd->device->id >= dev->maximum_num_containers) || (scsicmd->device->lun != 0)){
1178                                 scsicmd->result = DID_NO_CONNECT << 16;
1179                                 scsicmd->scsi_done(scsicmd);
1180                                 return 0;
1181                         }
1182                         cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun);
1183
1184                         /*
1185                          *      If the target container doesn't exist, it may have
1186                          *      been newly created
1187                          */
1188                         if ((fsa_dev_ptr[cid].valid & 1) == 0) {
1189                                 switch (scsicmd->cmnd[0]) {
1190                                 case INQUIRY:
1191                                 case READ_CAPACITY:
1192                                 case TEST_UNIT_READY:
1193                                         spin_unlock_irq(host->host_lock);
1194                                         probe_container(dev, cid);
1195                                         spin_lock_irq(host->host_lock);
1196                                         if (fsa_dev_ptr[cid].valid == 0) {
1197                                                 scsicmd->result = DID_NO_CONNECT << 16;
1198                                                 scsicmd->scsi_done(scsicmd);
1199                                                 return 0;
1200                                         }
1201                                 default:
1202                                         break;
1203                                 }
1204                         }
1205                         /*
1206                          *      If the target container still doesn't exist,
1207                          *      return failure
1208                          */
1209                         if (fsa_dev_ptr[cid].valid == 0) {
1210                                 scsicmd->result = DID_BAD_TARGET << 16;
1211                                 scsicmd->scsi_done(scsicmd);
1212                                 return 0;
1213                         }
1214                 } else {  /* check for physical non-dasd devices */
1215                         if(dev->nondasd_support == 1){
1216                                 return aac_send_srb_fib(scsicmd);
1217                         } else {
1218                                 scsicmd->result = DID_NO_CONNECT << 16;
1219                                 scsicmd->scsi_done(scsicmd);
1220                                 return 0;
1221                         }
1222                 }
1223         }
1224         /*
1225          * else Command for the controller itself
1226          */
1227         else if ((scsicmd->cmnd[0] != INQUIRY) &&       /* only INQUIRY & TUR cmnd supported for controller */
1228                 (scsicmd->cmnd[0] != TEST_UNIT_READY))
1229         {
1230                 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
1231                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1232                 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1233                             ILLEGAL_REQUEST,
1234                             SENCODE_INVALID_COMMAND,
1235                             ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
1236                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1237                   (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1238                     ? sizeof(scsicmd->sense_buffer)
1239                     : sizeof(dev->fsa_dev[cid].sense_data));
1240                 scsicmd->scsi_done(scsicmd);
1241                 return 0;
1242         }
1243
1244
1245         /* Handle commands here that don't really require going out to the adapter */
1246         switch (scsicmd->cmnd[0]) {
1247         case INQUIRY:
1248         {
1249                 struct inquiry_data *inq_data_ptr;
1250
1251                 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", scsicmd->device->id));
1252                 inq_data_ptr = (struct inquiry_data *)scsicmd->request_buffer;
1253                 memset(inq_data_ptr, 0, sizeof (struct inquiry_data));
1254
1255                 inq_data_ptr->inqd_ver = 2;     /* claim compliance to SCSI-2 */
1256                 inq_data_ptr->inqd_dtq = 0x80;  /* set RMB bit to one indicating that the medium is removable */
1257                 inq_data_ptr->inqd_rdf = 2;     /* A response data format value of two indicates that the data shall be in the format specified in SCSI-2 */
1258                 inq_data_ptr->inqd_len = 31;
1259                 /*Format for "pad2" is  RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
1260                 inq_data_ptr->inqd_pad2= 0x32 ;  /*WBus16|Sync|CmdQue */
1261                 /*
1262                  *      Set the Vendor, Product, and Revision Level
1263                  *      see: <vendor>.c i.e. aac.c
1264                  */
1265                 if (scsicmd->device->id == host->this_id) {
1266                         setinqstr(cardtype, (void *) (inq_data_ptr->inqd_vid), (sizeof(container_types)/sizeof(char *)));
1267                         inq_data_ptr->inqd_pdt = INQD_PDT_PROC; /* Processor device */
1268                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1269                         scsicmd->scsi_done(scsicmd);
1270                         return 0;
1271                 }
1272                 setinqstr(cardtype, (void *) (inq_data_ptr->inqd_vid), fsa_dev_ptr[cid].type);
1273                 inq_data_ptr->inqd_pdt = INQD_PDT_DA;   /* Direct/random access device */
1274                 return aac_get_container_name(scsicmd, cid);
1275         }
1276         case READ_CAPACITY:
1277         {
1278                 u32 capacity;
1279                 char *cp;
1280
1281                 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
1282                 if (fsa_dev_ptr[cid].size <= 0x100000000LL)
1283                         capacity = fsa_dev_ptr[cid].size - 1;
1284                 else
1285                         capacity = (u32)-1;
1286                 cp = scsicmd->request_buffer;
1287                 cp[0] = (capacity >> 24) & 0xff;
1288                 cp[1] = (capacity >> 16) & 0xff;
1289                 cp[2] = (capacity >> 8) & 0xff;
1290                 cp[3] = (capacity >> 0) & 0xff;
1291                 cp[4] = 0;
1292                 cp[5] = 0;
1293                 cp[6] = 2;
1294                 cp[7] = 0;
1295
1296                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1297                 scsicmd->scsi_done(scsicmd);
1298
1299                 return 0;
1300         }
1301
1302         case MODE_SENSE:
1303         {
1304                 char *mode_buf;
1305
1306                 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
1307                 mode_buf = scsicmd->request_buffer;
1308                 mode_buf[0] = 3;        /* Mode data length */
1309                 mode_buf[1] = 0;        /* Medium type - default */
1310                 mode_buf[2] = 0;        /* Device-specific param, bit 8: 0/1 = write enabled/protected */
1311                 mode_buf[3] = 0;        /* Block descriptor length */
1312
1313                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1314                 scsicmd->scsi_done(scsicmd);
1315
1316                 return 0;
1317         }
1318         case MODE_SENSE_10:
1319         {
1320                 char *mode_buf;
1321
1322                 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
1323                 mode_buf = scsicmd->request_buffer;
1324                 mode_buf[0] = 0;        /* Mode data length (MSB) */
1325                 mode_buf[1] = 6;        /* Mode data length (LSB) */
1326                 mode_buf[2] = 0;        /* Medium type - default */
1327                 mode_buf[3] = 0;        /* Device-specific param, bit 8: 0/1 = write enabled/protected */
1328                 mode_buf[4] = 0;        /* reserved */
1329                 mode_buf[5] = 0;        /* reserved */
1330                 mode_buf[6] = 0;        /* Block descriptor length (MSB) */
1331                 mode_buf[7] = 0;        /* Block descriptor length (LSB) */
1332
1333                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1334                 scsicmd->scsi_done(scsicmd);
1335
1336                 return 0;
1337         }
1338         case REQUEST_SENSE:
1339                 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
1340                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
1341                 memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
1342                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1343                 scsicmd->scsi_done(scsicmd);
1344                 return 0;
1345
1346         case ALLOW_MEDIUM_REMOVAL:
1347                 dprintk((KERN_DEBUG "LOCK command.\n"));
1348                 if (scsicmd->cmnd[4])
1349                         fsa_dev_ptr[cid].locked = 1;
1350                 else
1351                         fsa_dev_ptr[cid].locked = 0;
1352
1353                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1354                 scsicmd->scsi_done(scsicmd);
1355                 return 0;
1356         /*
1357          *      These commands are all No-Ops
1358          */
1359         case TEST_UNIT_READY:
1360         case RESERVE:
1361         case RELEASE:
1362         case REZERO_UNIT:
1363         case REASSIGN_BLOCKS:
1364         case SEEK_10:
1365         case START_STOP:
1366                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1367                 scsicmd->scsi_done(scsicmd);
1368                 return 0;
1369         }
1370
1371         switch (scsicmd->cmnd[0])
1372         {
1373                 case READ_6:
1374                 case READ_10:
1375                         /*
1376                          *      Hack to keep track of ordinal number of the device that
1377                          *      corresponds to a container. Needed to convert
1378                          *      containers to /dev/sd device names
1379                          */
1380
1381                         spin_unlock_irq(host->host_lock);
1382                         if  (scsicmd->request->rq_disk)
1383                                 memcpy(fsa_dev_ptr[cid].devname,
1384                                         scsicmd->request->rq_disk->disk_name,
1385                                         8);
1386
1387                         ret = aac_read(scsicmd, cid);
1388                         spin_lock_irq(host->host_lock);
1389                         return ret;
1390
1391                 case WRITE_6:
1392                 case WRITE_10:
1393                         spin_unlock_irq(host->host_lock);
1394                         ret = aac_write(scsicmd, cid);
1395                         spin_lock_irq(host->host_lock);
1396                         return ret;
1397
1398                 case SYNCHRONIZE_CACHE:
1399                         /* Issue FIB to tell Firmware to flush it's cache */
1400                         return aac_synchronize(scsicmd, cid);
1401
1402                 default:
1403                         /*
1404                          *      Unhandled commands
1405                          */
1406                         printk(KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]);
1407                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1408                         set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1409                                 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
1410                                 ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
1411                         memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1412                           (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1413                             ? sizeof(scsicmd->sense_buffer)
1414                             : sizeof(dev->fsa_dev[cid].sense_data));
1415                         scsicmd->scsi_done(scsicmd);
1416                         return 0;
1417         }
1418 }
1419
1420 static int query_disk(struct aac_dev *dev, void __user *arg)
1421 {
1422         struct aac_query_disk qd;
1423         struct fsa_dev_info *fsa_dev_ptr;
1424
1425         fsa_dev_ptr = dev->fsa_dev;
1426         if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
1427                 return -EFAULT;
1428         if (qd.cnum == -1)
1429                 qd.cnum = ID_LUN_TO_CONTAINER(qd.id, qd.lun);
1430         else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
1431         {
1432                 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
1433                         return -EINVAL;
1434                 qd.instance = dev->scsi_host_ptr->host_no;
1435                 qd.bus = 0;
1436                 qd.id = CONTAINER_TO_ID(qd.cnum);
1437                 qd.lun = CONTAINER_TO_LUN(qd.cnum);
1438         }
1439         else return -EINVAL;
1440
1441         qd.valid = fsa_dev_ptr[qd.cnum].valid;
1442         qd.locked = fsa_dev_ptr[qd.cnum].locked;
1443         qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
1444
1445         if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
1446                 qd.unmapped = 1;
1447         else
1448                 qd.unmapped = 0;
1449
1450         strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
1451           min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
1452
1453         if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
1454                 return -EFAULT;
1455         return 0;
1456 }
1457
1458 static int force_delete_disk(struct aac_dev *dev, void __user *arg)
1459 {
1460         struct aac_delete_disk dd;
1461         struct fsa_dev_info *fsa_dev_ptr;
1462
1463         fsa_dev_ptr = dev->fsa_dev;
1464
1465         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
1466                 return -EFAULT;
1467
1468         if (dd.cnum >= dev->maximum_num_containers)
1469                 return -EINVAL;
1470         /*
1471          *      Mark this container as being deleted.
1472          */
1473         fsa_dev_ptr[dd.cnum].deleted = 1;
1474         /*
1475          *      Mark the container as no longer valid
1476          */
1477         fsa_dev_ptr[dd.cnum].valid = 0;
1478         return 0;
1479 }
1480
1481 static int delete_disk(struct aac_dev *dev, void __user *arg)
1482 {
1483         struct aac_delete_disk dd;
1484         struct fsa_dev_info *fsa_dev_ptr;
1485
1486         fsa_dev_ptr = dev->fsa_dev;
1487
1488         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
1489                 return -EFAULT;
1490
1491         if (dd.cnum >= dev->maximum_num_containers)
1492                 return -EINVAL;
1493         /*
1494          *      If the container is locked, it can not be deleted by the API.
1495          */
1496         if (fsa_dev_ptr[dd.cnum].locked)
1497                 return -EBUSY;
1498         else {
1499                 /*
1500                  *      Mark the container as no longer being valid.
1501                  */
1502                 fsa_dev_ptr[dd.cnum].valid = 0;
1503                 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
1504                 return 0;
1505         }
1506 }
1507
1508 int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
1509 {
1510         switch (cmd) {
1511         case FSACTL_QUERY_DISK:
1512                 return query_disk(dev, arg);
1513         case FSACTL_DELETE_DISK:
1514                 return delete_disk(dev, arg);
1515         case FSACTL_FORCE_DELETE_DISK:
1516                 return force_delete_disk(dev, arg);
1517         case FSACTL_GET_CONTAINERS:
1518                 return aac_get_containers(dev);
1519         default:
1520                 return -ENOTTY;
1521         }
1522 }
1523
1524 /**
1525  *
1526  * aac_srb_callback
1527  * @context: the context set in the fib - here it is scsi cmd
1528  * @fibptr: pointer to the fib
1529  *
1530  * Handles the completion of a scsi command to a non dasd device
1531  *
1532  */
1533
1534 static void aac_srb_callback(void *context, struct fib * fibptr)
1535 {
1536         struct aac_dev *dev;
1537         struct aac_srb_reply *srbreply;
1538         struct scsi_cmnd *scsicmd;
1539
1540         scsicmd = (struct scsi_cmnd *) context;
1541         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1542
1543         if (fibptr == NULL)
1544                 BUG();
1545
1546         srbreply = (struct aac_srb_reply *) fib_data(fibptr);
1547
1548         scsicmd->sense_buffer[0] = '\0';  /* Initialize sense valid flag to false */
1549         /*
1550          *      Calculate resid for sg
1551          */
1552
1553         scsicmd->resid = scsicmd->request_bufflen -
1554                 le32_to_cpu(srbreply->data_xfer_length);
1555
1556         if(scsicmd->use_sg)
1557                 pci_unmap_sg(dev->pdev,
1558                         (struct scatterlist *)scsicmd->buffer,
1559                         scsicmd->use_sg,
1560                         scsicmd->sc_data_direction);
1561         else if(scsicmd->request_bufflen)
1562                 pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, scsicmd->request_bufflen,
1563                         scsicmd->sc_data_direction);
1564
1565         /*
1566          * First check the fib status
1567          */
1568
1569         if (le32_to_cpu(srbreply->status) != ST_OK){
1570                 int len;
1571                 printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
1572                 len = (le32_to_cpu(srbreply->sense_data_size) >
1573                                 sizeof(scsicmd->sense_buffer)) ?
1574                                 sizeof(scsicmd->sense_buffer) :
1575                                 le32_to_cpu(srbreply->sense_data_size);
1576                 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1577                 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
1578         }
1579
1580         /*
1581          * Next check the srb status
1582          */
1583         switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
1584         case SRB_STATUS_ERROR_RECOVERY:
1585         case SRB_STATUS_PENDING:
1586         case SRB_STATUS_SUCCESS:
1587                 if(scsicmd->cmnd[0] == INQUIRY ){
1588                         u8 b;
1589                         u8 b1;
1590                         /* We can't expose disk devices because we can't tell whether they
1591                          * are the raw container drives or stand alone drives.  If they have
1592                          * the removable bit set then we should expose them though.
1593                          */
1594                         b = (*(u8*)scsicmd->buffer)&0x1f;
1595                         b1 = ((u8*)scsicmd->buffer)[1];
1596                         if( b==TYPE_TAPE || b==TYPE_WORM || b==TYPE_ROM || b==TYPE_MOD|| b==TYPE_MEDIUM_CHANGER
1597                                         || (b==TYPE_DISK && (b1&0x80)) ){
1598                                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
1599                         /*
1600                          * We will allow disk devices if in RAID/SCSI mode and
1601                          * the channel is 2
1602                          */
1603                         } else if ((dev->raid_scsi_mode) &&
1604                                         (scsicmd->device->channel == 2)) {
1605                                 scsicmd->result = DID_OK << 16 |
1606                                                 COMMAND_COMPLETE << 8;
1607                         } else {
1608                                 scsicmd->result = DID_NO_CONNECT << 16 |
1609                                                 COMMAND_COMPLETE << 8;
1610                         }
1611                 } else {
1612                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
1613                 }
1614                 break;
1615         case SRB_STATUS_DATA_OVERRUN:
1616                 switch(scsicmd->cmnd[0]){
1617                 case  READ_6:
1618                 case  WRITE_6:
1619                 case  READ_10:
1620                 case  WRITE_10:
1621                 case  READ_12:
1622                 case  WRITE_12:
1623                         if(le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow ) {
1624                                 printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
1625                         } else {
1626                                 printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
1627                         }
1628                         scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
1629                         break;
1630                 case INQUIRY: {
1631                         u8 b;
1632                         u8 b1;
1633                         /* We can't expose disk devices because we can't tell whether they
1634                         * are the raw container drives or stand alone drives
1635                         */
1636                         b = (*(u8*)scsicmd->buffer)&0x0f;
1637                         b1 = ((u8*)scsicmd->buffer)[1];
1638                         if( b==TYPE_TAPE || b==TYPE_WORM || b==TYPE_ROM || b==TYPE_MOD|| b==TYPE_MEDIUM_CHANGER
1639                                         || (b==TYPE_DISK && (b1&0x80)) ){
1640                                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
1641                         /*
1642                          * We will allow disk devices if in RAID/SCSI mode and
1643                          * the channel is 2
1644                          */
1645                         } else if ((dev->raid_scsi_mode) &&
1646                                         (scsicmd->device->channel == 2)) {
1647                                 scsicmd->result = DID_OK << 16 |
1648                                                 COMMAND_COMPLETE << 8;
1649                         } else {
1650                                 scsicmd->result = DID_NO_CONNECT << 16 |
1651                                                 COMMAND_COMPLETE << 8;
1652                         }
1653                         break;
1654                 }
1655                 default:
1656                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
1657                         break;
1658                 }
1659                 break;
1660         case SRB_STATUS_ABORTED:
1661                 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
1662                 break;
1663         case SRB_STATUS_ABORT_FAILED:
1664                 // Not sure about this one - but assuming the hba was trying to abort for some reason
1665                 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
1666                 break;
1667         case SRB_STATUS_PARITY_ERROR:
1668                 scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
1669                 break;
1670         case SRB_STATUS_NO_DEVICE:
1671         case SRB_STATUS_INVALID_PATH_ID:
1672         case SRB_STATUS_INVALID_TARGET_ID:
1673         case SRB_STATUS_INVALID_LUN:
1674         case SRB_STATUS_SELECTION_TIMEOUT:
1675                 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
1676                 break;
1677
1678         case SRB_STATUS_COMMAND_TIMEOUT:
1679         case SRB_STATUS_TIMEOUT:
1680                 scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
1681                 break;
1682
1683         case SRB_STATUS_BUSY:
1684                 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
1685                 break;
1686
1687         case SRB_STATUS_BUS_RESET:
1688                 scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
1689                 break;
1690
1691         case SRB_STATUS_MESSAGE_REJECTED:
1692                 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
1693                 break;
1694         case SRB_STATUS_REQUEST_FLUSHED:
1695         case SRB_STATUS_ERROR:
1696         case SRB_STATUS_INVALID_REQUEST:
1697         case SRB_STATUS_REQUEST_SENSE_FAILED:
1698         case SRB_STATUS_NO_HBA:
1699         case SRB_STATUS_UNEXPECTED_BUS_FREE:
1700         case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
1701         case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
1702         case SRB_STATUS_DELAYED_RETRY:
1703         case SRB_STATUS_BAD_FUNCTION:
1704         case SRB_STATUS_NOT_STARTED:
1705         case SRB_STATUS_NOT_IN_USE:
1706         case SRB_STATUS_FORCE_ABORT:
1707         case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
1708         default:
1709 #ifdef AAC_DETAILED_STATUS_INFO
1710                 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
1711                         le32_to_cpu(srbreply->srb_status) & 0x3F,
1712                         aac_get_status_string(
1713                                 le32_to_cpu(srbreply->srb_status) & 0x3F),
1714                         scsicmd->cmnd[0],
1715                         le32_to_cpu(srbreply->scsi_status));
1716 #endif
1717                 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
1718                 break;
1719         }
1720         if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){  // Check Condition
1721                 int len;
1722                 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
1723                 len = (le32_to_cpu(srbreply->sense_data_size) >
1724                                 sizeof(scsicmd->sense_buffer)) ?
1725                                 sizeof(scsicmd->sense_buffer) :
1726                                 le32_to_cpu(srbreply->sense_data_size);
1727 #ifdef AAC_DETAILED_STATUS_INFO
1728                 dprintk((KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
1729                                         le32_to_cpu(srbreply->status), len));
1730 #endif
1731                 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
1732
1733         }
1734         /*
1735          * OR in the scsi status (already shifted up a bit)
1736          */
1737         scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
1738
1739         fib_complete(fibptr);
1740         fib_free(fibptr);
1741         aac_io_done(scsicmd);
1742 }
1743
1744 /**
1745  *
1746  * aac_send_scb_fib
1747  * @scsicmd: the scsi command block
1748  *
1749  * This routine will form a FIB and fill in the aac_srb from the
1750  * scsicmd passed in.
1751  */
1752
1753 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
1754 {
1755         struct fib* cmd_fibcontext;
1756         struct aac_dev* dev;
1757         int status;
1758         struct aac_srb *srbcmd;
1759         u16 fibsize;
1760         u32 flag;
1761         u32 timeout;
1762
1763         if( scsicmd->device->id > 15 || scsicmd->device->lun > 7) {
1764                 scsicmd->result = DID_NO_CONNECT << 16;
1765                 scsicmd->scsi_done(scsicmd);
1766                 return 0;
1767         }
1768
1769         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1770         switch(scsicmd->sc_data_direction){
1771         case DMA_TO_DEVICE:
1772                 flag = SRB_DataOut;
1773                 break;
1774         case DMA_BIDIRECTIONAL:
1775                 flag = SRB_DataIn | SRB_DataOut;
1776                 break;
1777         case DMA_FROM_DEVICE:
1778                 flag = SRB_DataIn;
1779                 break;
1780         case DMA_NONE:
1781         default:        /* shuts up some versions of gcc */
1782                 flag = SRB_NoDataXfer;
1783                 break;
1784         }
1785
1786
1787         /*
1788          *      Allocate and initialize a Fib then setup a BlockWrite command
1789          */
1790         if (!(cmd_fibcontext = fib_alloc(dev))) {
1791                 return -1;
1792         }
1793         fib_init(cmd_fibcontext);
1794
1795         srbcmd = (struct aac_srb*) fib_data(cmd_fibcontext);
1796         srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1797         srbcmd->channel  = cpu_to_le32(aac_logical_to_phys(scsicmd->device->channel));
1798         srbcmd->id   = cpu_to_le32(scsicmd->device->id);
1799         srbcmd->lun      = cpu_to_le32(scsicmd->device->lun);
1800         srbcmd->flags    = cpu_to_le32(flag);
1801         timeout = (scsicmd->timeout-jiffies)/HZ;
1802         if(timeout == 0){
1803                 timeout = 1;
1804         }
1805         srbcmd->timeout  = cpu_to_le32(timeout);  // timeout in seconds
1806         srbcmd->retry_limit = 0; /* Obsolete parameter */
1807         srbcmd->cdb_size = cpu_to_le32(scsicmd->cmd_len);
1808
1809         if( dev->dac_support == 1 ) {
1810                 aac_build_sg64(scsicmd, (struct sgmap64*) &srbcmd->sg);
1811                 srbcmd->count = cpu_to_le32(scsicmd->request_bufflen);
1812
1813                 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1814                 memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len);
1815                 /*
1816                  *      Build Scatter/Gather list
1817                  */
1818                 fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1819                         ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1820                          sizeof (struct sgentry64));
1821                 BUG_ON (fibsize > (sizeof(struct hw_fib) -
1822                                         sizeof(struct aac_fibhdr)));
1823
1824                 /*
1825                  *      Now send the Fib to the adapter
1826                  */
1827                 status = fib_send(ScsiPortCommand64, cmd_fibcontext,
1828                                 fibsize, FsaNormal, 0, 1,
1829                                   (fib_callback) aac_srb_callback,
1830                                   (void *) scsicmd);
1831         } else {
1832                 aac_build_sg(scsicmd, (struct sgmap*)&srbcmd->sg);
1833                 srbcmd->count = cpu_to_le32(scsicmd->request_bufflen);
1834
1835                 memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1836                 memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len);
1837                 /*
1838                  *      Build Scatter/Gather list
1839                  */
1840                 fibsize = sizeof (struct aac_srb) +
1841                         (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1842                          sizeof (struct sgentry));
1843                 BUG_ON (fibsize > (sizeof(struct hw_fib) -
1844                                         sizeof(struct aac_fibhdr)));
1845
1846                 /*
1847                  *      Now send the Fib to the adapter
1848                  */
1849                 status = fib_send(ScsiPortCommand, cmd_fibcontext, fibsize, FsaNormal, 0, 1,
1850                                   (fib_callback) aac_srb_callback, (void *) scsicmd);
1851         }
1852         /*
1853          *      Check that the command queued to the controller
1854          */
1855         if (status == -EINPROGRESS){
1856                 return 0;
1857         }
1858
1859         printk(KERN_WARNING "aac_srb: fib_send failed with status: %d\n", status);
1860         fib_complete(cmd_fibcontext);
1861         fib_free(cmd_fibcontext);
1862
1863         return -1;
1864 }
1865
1866 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
1867 {
1868         struct aac_dev *dev;
1869         unsigned long byte_count = 0;
1870
1871         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1872         // Get rid of old data
1873         psg->count = 0;
1874         psg->sg[0].addr = 0;
1875         psg->sg[0].count = 0;
1876         if (scsicmd->use_sg) {
1877                 struct scatterlist *sg;
1878                 int i;
1879                 int sg_count;
1880                 sg = (struct scatterlist *) scsicmd->request_buffer;
1881
1882                 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
1883                         scsicmd->sc_data_direction);
1884                 psg->count = cpu_to_le32(sg_count);
1885
1886                 byte_count = 0;
1887
1888                 for (i = 0; i < sg_count; i++) {
1889                         psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
1890                         psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
1891                         byte_count += sg_dma_len(sg);
1892                         sg++;
1893                 }
1894                 /* hba wants the size to be exact */
1895                 if(byte_count > scsicmd->request_bufflen){
1896                         psg->sg[i-1].count -= (byte_count - scsicmd->request_bufflen);
1897                         byte_count = scsicmd->request_bufflen;
1898                 }
1899                 /* Check for command underflow */
1900                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
1901                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
1902                                         byte_count, scsicmd->underflow);
1903                 }
1904         }
1905         else if(scsicmd->request_bufflen) {
1906                 dma_addr_t addr;
1907                 addr = pci_map_single(dev->pdev,
1908                                 scsicmd->request_buffer,
1909                                 scsicmd->request_bufflen,
1910                                 scsicmd->sc_data_direction);
1911                 psg->count = cpu_to_le32(1);
1912                 psg->sg[0].addr = cpu_to_le32(addr);
1913                 psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
1914                 scsicmd->SCp.dma_handle = addr;
1915                 byte_count = scsicmd->request_bufflen;
1916         }
1917         return byte_count;
1918 }
1919
1920
1921 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg)
1922 {
1923         struct aac_dev *dev;
1924         unsigned long byte_count = 0;
1925         u64 le_addr;
1926
1927         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1928         // Get rid of old data
1929         psg->count = 0;
1930         psg->sg[0].addr[0] = 0;
1931         psg->sg[0].addr[1] = 0;
1932         psg->sg[0].count = 0;
1933         if (scsicmd->use_sg) {
1934                 struct scatterlist *sg;
1935                 int i;
1936                 int sg_count;
1937                 sg = (struct scatterlist *) scsicmd->request_buffer;
1938
1939                 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
1940                         scsicmd->sc_data_direction);
1941                 psg->count = cpu_to_le32(sg_count);
1942
1943                 byte_count = 0;
1944
1945                 for (i = 0; i < sg_count; i++) {
1946                         le_addr = cpu_to_le64(sg_dma_address(sg));
1947                         psg->sg[i].addr[1] = (u32)(le_addr>>32);
1948                         psg->sg[i].addr[0] = (u32)(le_addr & 0xffffffff);
1949                         psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
1950                         byte_count += sg_dma_len(sg);
1951                         sg++;
1952                 }
1953                 /* hba wants the size to be exact */
1954                 if(byte_count > scsicmd->request_bufflen){
1955                         psg->sg[i-1].count -= (byte_count - scsicmd->request_bufflen);
1956                         byte_count = scsicmd->request_bufflen;
1957                 }
1958                 /* Check for command underflow */
1959                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
1960                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
1961                                         byte_count, scsicmd->underflow);
1962                 }
1963         }
1964         else if(scsicmd->request_bufflen) {
1965                 dma_addr_t addr;
1966                 addr = pci_map_single(dev->pdev,
1967                                 scsicmd->request_buffer,
1968                                 scsicmd->request_bufflen,
1969                                 scsicmd->sc_data_direction);
1970                 psg->count = cpu_to_le32(1);
1971                 le_addr = cpu_to_le64(addr);
1972                 psg->sg[0].addr[1] = (u32)(le_addr>>32);
1973                 psg->sg[0].addr[0] = (u32)(le_addr & 0xffffffff);
1974                 psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
1975                 scsicmd->SCp.dma_handle = addr;
1976                 byte_count = scsicmd->request_bufflen;
1977         }
1978         return byte_count;
1979 }
1980
1981 #ifdef AAC_DETAILED_STATUS_INFO
1982
1983 struct aac_srb_status_info {
1984         u32     status;
1985         char    *str;
1986 };
1987
1988
1989 static struct aac_srb_status_info srb_status_info[] = {
1990         { SRB_STATUS_PENDING,           "Pending Status"},
1991         { SRB_STATUS_SUCCESS,           "Success"},
1992         { SRB_STATUS_ABORTED,           "Aborted Command"},
1993         { SRB_STATUS_ABORT_FAILED,      "Abort Failed"},
1994         { SRB_STATUS_ERROR,             "Error Event"},
1995         { SRB_STATUS_BUSY,              "Device Busy"},
1996         { SRB_STATUS_INVALID_REQUEST,   "Invalid Request"},
1997         { SRB_STATUS_INVALID_PATH_ID,   "Invalid Path ID"},
1998         { SRB_STATUS_NO_DEVICE,         "No Device"},
1999         { SRB_STATUS_TIMEOUT,           "Timeout"},
2000         { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
2001         { SRB_STATUS_COMMAND_TIMEOUT,   "Command Timeout"},
2002         { SRB_STATUS_MESSAGE_REJECTED,  "Message Rejected"},
2003         { SRB_STATUS_BUS_RESET,         "Bus Reset"},
2004         { SRB_STATUS_PARITY_ERROR,      "Parity Error"},
2005         { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
2006         { SRB_STATUS_NO_HBA,            "No HBA"},
2007         { SRB_STATUS_DATA_OVERRUN,      "Data Overrun/Data Underrun"},
2008         { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
2009         { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
2010         { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
2011         { SRB_STATUS_REQUEST_FLUSHED,   "Request Flushed"},
2012         { SRB_STATUS_DELAYED_RETRY,     "Delayed Retry"},
2013         { SRB_STATUS_INVALID_LUN,       "Invalid LUN"},
2014         { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
2015         { SRB_STATUS_BAD_FUNCTION,      "Bad Function"},
2016         { SRB_STATUS_ERROR_RECOVERY,    "Error Recovery"},
2017         { SRB_STATUS_NOT_STARTED,       "Not Started"},
2018         { SRB_STATUS_NOT_IN_USE,        "Not In Use"},
2019         { SRB_STATUS_FORCE_ABORT,       "Force Abort"},
2020         { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
2021         { 0xff,                         "Unknown Error"}
2022 };
2023
2024 char *aac_get_status_string(u32 status)
2025 {
2026         int i;
2027
2028         for(i=0; i < (sizeof(srb_status_info)/sizeof(struct aac_srb_status_info)); i++ ){
2029                 if(srb_status_info[i].status == status){
2030                         return srb_status_info[i].str;
2031                 }
2032         }
2033
2034         return "Bad Status Code";
2035 }
2036
2037 #endif