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