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) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2, or (at your option)
  13  * any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; see the file COPYING.  If not, write to
  22  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  23  *
  24  */
  25
  26 #include <linux/kernel.h>
  27 #include <linux/init.h>
  28 #include <linux/types.h>
  29 #include <linux/pci.h>
  30 #include <linux/spinlock.h>
  31 #include <linux/slab.h>
  32 #include <linux/completion.h>
  33 #include <linux/blkdev.h>
  34 #include <linux/dma-mapping.h>
  35 #include <asm/semaphore.h>
  36 #include <asm/uaccess.h>
  37
  38 #include <scsi/scsi.h>
  39 #include <scsi/scsi_cmnd.h>
  40 #include <scsi/scsi_device.h>
  41 #include <scsi/scsi_host.h>
  42
  43 #include "aacraid.h"
  44
  45 /* values for inqd_pdt: Peripheral device type in plain English */
  46 #define INQD_PDT_DA     0x00    /* Direct-access (DISK) device */
  47 #define INQD_PDT_PROC   0x03    /* Processor device */
  48 #define INQD_PDT_CHNGR  0x08    /* Changer (jukebox, scsi2) */
  49 #define INQD_PDT_COMM   0x09    /* Communication device (scsi2) */
  50 #define INQD_PDT_NOLUN2 0x1f    /* Unknown Device (scsi2) */
  51 #define INQD_PDT_NOLUN  0x7f    /* Logical Unit Not Present */
  52
  53 #define INQD_PDT_DMASK  0x1F    /* Peripheral Device Type Mask */
  54 #define INQD_PDT_QMASK  0xE0    /* Peripheral Device Qualifer Mask */
  55
  56 /*
  57  *      Sense codes
  58  */
  59
  60 #define SENCODE_NO_SENSE                        0x00
  61 #define SENCODE_END_OF_DATA                     0x00
  62 #define SENCODE_BECOMING_READY                  0x04
  63 #define SENCODE_INIT_CMD_REQUIRED               0x04
  64 #define SENCODE_PARAM_LIST_LENGTH_ERROR         0x1A
  65 #define SENCODE_INVALID_COMMAND                 0x20
  66 #define SENCODE_LBA_OUT_OF_RANGE                0x21
  67 #define SENCODE_INVALID_CDB_FIELD               0x24
  68 #define SENCODE_LUN_NOT_SUPPORTED               0x25
  69 #define SENCODE_INVALID_PARAM_FIELD             0x26
  70 #define SENCODE_PARAM_NOT_SUPPORTED             0x26
  71 #define SENCODE_PARAM_VALUE_INVALID             0x26
  72 #define SENCODE_RESET_OCCURRED                  0x29
  73 #define SENCODE_LUN_NOT_SELF_CONFIGURED_YET     0x3E
  74 #define SENCODE_INQUIRY_DATA_CHANGED            0x3F
  75 #define SENCODE_SAVING_PARAMS_NOT_SUPPORTED     0x39
  76 #define SENCODE_DIAGNOSTIC_FAILURE              0x40
  77 #define SENCODE_INTERNAL_TARGET_FAILURE         0x44
  78 #define SENCODE_INVALID_MESSAGE_ERROR           0x49
  79 #define SENCODE_LUN_FAILED_SELF_CONFIG          0x4c
  80 #define SENCODE_OVERLAPPED_COMMAND              0x4E
  81
  82 /*
  83  *      Additional sense codes
  84  */
  85
  86 #define ASENCODE_NO_SENSE                       0x00
  87 #define ASENCODE_END_OF_DATA                    0x05
  88 #define ASENCODE_BECOMING_READY                 0x01
  89 #define ASENCODE_INIT_CMD_REQUIRED              0x02
  90 #define ASENCODE_PARAM_LIST_LENGTH_ERROR        0x00
  91 #define ASENCODE_INVALID_COMMAND                0x00
  92 #define ASENCODE_LBA_OUT_OF_RANGE               0x00
  93 #define ASENCODE_INVALID_CDB_FIELD              0x00
  94 #define ASENCODE_LUN_NOT_SUPPORTED              0x00
  95 #define ASENCODE_INVALID_PARAM_FIELD            0x00
  96 #define ASENCODE_PARAM_NOT_SUPPORTED            0x01
  97 #define ASENCODE_PARAM_VALUE_INVALID            0x02
  98 #define ASENCODE_RESET_OCCURRED                 0x00
  99 #define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET    0x00
 100 #define ASENCODE_INQUIRY_DATA_CHANGED           0x03
 101 #define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED    0x00
 102 #define ASENCODE_DIAGNOSTIC_FAILURE             0x80
 103 #define ASENCODE_INTERNAL_TARGET_FAILURE        0x00
 104 #define ASENCODE_INVALID_MESSAGE_ERROR          0x00
 105 #define ASENCODE_LUN_FAILED_SELF_CONFIG         0x00
 106 #define ASENCODE_OVERLAPPED_COMMAND             0x00
 107
 108 #define BYTE0(x) (unsigned char)(x)
 109 #define BYTE1(x) (unsigned char)((x) >> 8)
 110 #define BYTE2(x) (unsigned char)((x) >> 16)
 111 #define BYTE3(x) (unsigned char)((x) >> 24)
 112
 113 /*------------------------------------------------------------------------------
 114  *              S T R U C T S / T Y P E D E F S
 115  *----------------------------------------------------------------------------*/
 116 /* SCSI inquiry data */
 117 struct inquiry_data {
 118         u8 inqd_pdt;    /* Peripheral qualifier | Peripheral Device Type  */
 119         u8 inqd_dtq;    /* RMB | Device Type Qualifier  */
 120         u8 inqd_ver;    /* ISO version | ECMA version | ANSI-approved version */
 121         u8 inqd_rdf;    /* AENC | TrmIOP | Response data format */
 122         u8 inqd_len;    /* Additional length (n-4) */
 123         u8 inqd_pad1[2];/* Reserved - must be zero */
 124         u8 inqd_pad2;   /* RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
 125         u8 inqd_vid[8]; /* Vendor ID */
 126         u8 inqd_pid[16];/* Product ID */
 127         u8 inqd_prl[4]; /* Product Revision Level */
 128 };
 129
 130 /*
 131  *              M O D U L E   G L O B A L S
 132  */
 133
 134 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap);
 135 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg);
 136 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg);
 137 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
 138 #ifdef AAC_DETAILED_STATUS_INFO
 139 static char *aac_get_status_string(u32 status);
 140 #endif
 141
 142 /*
 143  *      Non dasd selection is handled entirely in aachba now
 144  */
 145
 146 static int nondasd = -1;
 147 static int dacmode = -1;
 148
 149 static int commit = -1;
 150 int startup_timeout = 180;
 151 int aif_timeout = 120;
 152
 153 module_param(nondasd, int, S_IRUGO|S_IWUSR);
 154 MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on");
 155 module_param(dacmode, int, S_IRUGO|S_IWUSR);
 156 MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC. 0=off, 1=on");
 157 module_param(commit, int, S_IRUGO|S_IWUSR);
 158 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");
 159 module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
 160 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.");
 161 module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
 162 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.");
 163
 164 int numacb = -1;
 165 module_param(numacb, int, S_IRUGO|S_IWUSR);
 166 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.");
 167
 168 int acbsize = -1;
 169 module_param(acbsize, int, S_IRUGO|S_IWUSR);
 170 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.");
 171
 172 int expose_physicals = -1;
 173 module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
 174 MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays. -1=protect 0=off, 1=on");
 175
 176
 177 static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
 178                 struct fib *fibptr) {
 179         struct scsi_device *device;
 180
 181         if (unlikely(!scsicmd || !scsicmd->scsi_done )) {
 182                 dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"))
 183 ;
 184                 aac_fib_complete(fibptr);
 185                 aac_fib_free(fibptr);
 186                 return 0;
 187         }
 188         scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
 189         device = scsicmd->device;
 190         if (unlikely(!device || !scsi_device_online(device))) {
 191                 dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
 192                 aac_fib_complete(fibptr);
 193                 aac_fib_free(fibptr);
 194                 return 0;
 195         }
 196         return 1;
 197 }
 198
 199 /**
 200  *      aac_get_config_status   -       check the adapter configuration
 201  *      @common: adapter to query
 202  *
 203  *      Query config status, and commit the configuration if needed.
 204  */
 205 int aac_get_config_status(struct aac_dev *dev, int commit_flag)
 206 {
 207         int status = 0;
 208         struct fib * fibptr;
 209
 210         if (!(fibptr = aac_fib_alloc(dev)))
 211                 return -ENOMEM;
 212
 213         aac_fib_init(fibptr);
 214         {
 215                 struct aac_get_config_status *dinfo;
 216                 dinfo = (struct aac_get_config_status *) fib_data(fibptr);
 217
 218                 dinfo->command = cpu_to_le32(VM_ContainerConfig);
 219                 dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
 220                 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
 221         }
 222
 223         status = aac_fib_send(ContainerCommand,
 224                             fibptr,
 225                             sizeof (struct aac_get_config_status),
 226                             FsaNormal,
 227                             1, 1,
 228                             NULL, NULL);
 229         if (status < 0 ) {
 230                 printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
 231         } else {
 232                 struct aac_get_config_status_resp *reply
 233                   = (struct aac_get_config_status_resp *) fib_data(fibptr);
 234                 dprintk((KERN_WARNING
 235                   "aac_get_config_status: response=%d status=%d action=%d\n",
 236                   le32_to_cpu(reply->response),
 237                   le32_to_cpu(reply->status),
 238                   le32_to_cpu(reply->data.action)));
 239                 if ((le32_to_cpu(reply->response) != ST_OK) ||
 240                      (le32_to_cpu(reply->status) != CT_OK) ||
 241                      (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
 242                         printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
 243                         status = -EINVAL;
 244                 }
 245         }
 246         aac_fib_complete(fibptr);
 247         /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
 248         if (status >= 0) {
 249                 if ((commit == 1) || commit_flag) {
 250                         struct aac_commit_config * dinfo;
 251                         aac_fib_init(fibptr);
 252                         dinfo = (struct aac_commit_config *) fib_data(fibptr);
 253
 254                         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 255                         dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
 256
 257                         status = aac_fib_send(ContainerCommand,
 258                                     fibptr,
 259                                     sizeof (struct aac_commit_config),
 260                                     FsaNormal,
 261                                     1, 1,
 262                                     NULL, NULL);
 263                         aac_fib_complete(fibptr);
 264                 } else if (commit == 0) {
 265                         printk(KERN_WARNING
 266                           "aac_get_config_status: Foreign device configurations are being ignored\n");
 267                 }
 268         }
 269         aac_fib_free(fibptr);
 270         return status;
 271 }
 272
 273 /**
 274  *      aac_get_containers      -       list containers
 275  *      @common: adapter to probe
 276  *
 277  *      Make a list of all containers on this controller
 278  */
 279 int aac_get_containers(struct aac_dev *dev)
 280 {
 281         struct fsa_dev_info *fsa_dev_ptr;
 282         u32 index;
 283         int status = 0;
 284         struct fib * fibptr;
 285         struct aac_get_container_count *dinfo;
 286         struct aac_get_container_count_resp *dresp;
 287         int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 288
 289         if (!(fibptr = aac_fib_alloc(dev)))
 290                 return -ENOMEM;
 291
 292         aac_fib_init(fibptr);
 293         dinfo = (struct aac_get_container_count *) fib_data(fibptr);
 294         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 295         dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
 296
 297         status = aac_fib_send(ContainerCommand,
 298                     fibptr,
 299                     sizeof (struct aac_get_container_count),
 300                     FsaNormal,
 301                     1, 1,
 302                     NULL, NULL);
 303         if (status >= 0) {
 304                 dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
 305                 maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
 306                 aac_fib_complete(fibptr);
 307         }
 308         aac_fib_free(fibptr);
 309
 310         if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
 311                 maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 312         fsa_dev_ptr =  kmalloc(sizeof(*fsa_dev_ptr) * maximum_num_containers,
 313                         GFP_KERNEL);
 314         if (!fsa_dev_ptr)
 315                 return -ENOMEM;
 316         memset(fsa_dev_ptr, 0, sizeof(*fsa_dev_ptr) * maximum_num_containers);
 317
 318         dev->fsa_dev = fsa_dev_ptr;
 319         dev->maximum_num_containers = maximum_num_containers;
 320
 321         for (index = 0; index < dev->maximum_num_containers; ) {
 322                 fsa_dev_ptr[index].devname[0] = '\0';
 323
 324                 status = aac_probe_container(dev, index);
 325
 326                 if (status < 0) {
 327                         printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
 328                         break;
 329                 }
 330
 331                 /*
 332                  *      If there are no more containers, then stop asking.
 333                  */
 334                 if (++index >= status)
 335                         break;
 336         }
 337         return status;
 338 }
 339
 340 static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len)
 341 {
 342         void *buf;
 343         unsigned int transfer_len;
 344         struct scatterlist *sg = scsicmd->request_buffer;
 345
 346         if (scsicmd->use_sg) {
 347                 buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
 348                 transfer_len = min(sg->length, len + offset);
 349         } else {
 350                 buf = scsicmd->request_buffer;
 351                 transfer_len = min(scsicmd->request_bufflen, len + offset);
 352         }
 353
 354         memcpy(buf + offset, data, transfer_len - offset);
 355
 356         if (scsicmd->use_sg)
 357                 kunmap_atomic(buf - sg->offset, KM_IRQ0);
 358
 359 }
 360
 361 static void get_container_name_callback(void *context, struct fib * fibptr)
 362 {
 363         struct aac_get_name_resp * get_name_reply;
 364         struct scsi_cmnd * scsicmd;
 365
 366         scsicmd = (struct scsi_cmnd *) context;
 367         scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
 368
 369         if (!aac_valid_context(scsicmd, fibptr))
 370                 return;
 371
 372         dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
 373         BUG_ON(fibptr == NULL);
 374
 375         get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
 376         /* Failure is irrelevant, using default value instead */
 377         if ((le32_to_cpu(get_name_reply->status) == CT_OK)
 378          && (get_name_reply->data[0] != '\0')) {
 379                 char *sp = get_name_reply->data;
 380                 sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0';
 381                 while (*sp == ' ')
 382                         ++sp;
 383                 if (*sp) {
 384                         char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
 385                         int count = sizeof(d);
 386                         char *dp = d;
 387                         do {
 388                                 *dp++ = (*sp) ? *sp++ : ' ';
 389                         } while (--count > 0);
 390                         aac_internal_transfer(scsicmd, d,
 391                           offsetof(struct inquiry_data, inqd_pid), sizeof(d));
 392                 }
 393         }
 394
 395         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 396
 397         aac_fib_complete(fibptr);
 398         aac_fib_free(fibptr);
 399         scsicmd->scsi_done(scsicmd);
 400 }
 401
 402 /**
 403  *      aac_get_container_name  -       get container name, none blocking.
 404  */
 405 static int aac_get_container_name(struct scsi_cmnd * scsicmd)
 406 {
 407         int status;
 408         struct aac_get_name *dinfo;
 409         struct fib * cmd_fibcontext;
 410         struct aac_dev * dev;
 411
 412         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 413
 414         if (!(cmd_fibcontext = aac_fib_alloc(dev)))
 415                 return -ENOMEM;
 416
 417         aac_fib_init(cmd_fibcontext);
 418         dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
 419
 420         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 421         dinfo->type = cpu_to_le32(CT_READ_NAME);
 422         dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
 423         dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));
 424
 425         status = aac_fib_send(ContainerCommand,
 426                   cmd_fibcontext,
 427                   sizeof (struct aac_get_name),
 428                   FsaNormal,
 429                   0, 1,
 430                   (fib_callback) get_container_name_callback,
 431                   (void *) scsicmd);
 432
 433         /*
 434          *      Check that the command queued to the controller
 435          */
 436         if (status == -EINPROGRESS) {
 437                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 438                 return 0;
 439         }
 440
 441         printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
 442         aac_fib_complete(cmd_fibcontext);
 443         aac_fib_free(cmd_fibcontext);
 444         return -1;
 445 }
 446
 447 static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
 448 {
 449         struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 450
 451         if (fsa_dev_ptr[scmd_id(scsicmd)].valid)
 452                 return aac_scsi_cmd(scsicmd);
 453
 454         scsicmd->result = DID_NO_CONNECT << 16;
 455         scsicmd->scsi_done(scsicmd);
 456         return 0;
 457 }
 458
 459 static int _aac_probe_container2(void * context, struct fib * fibptr)
 460 {
 461         struct fsa_dev_info *fsa_dev_ptr;
 462         int (*callback)(struct scsi_cmnd *);
 463         struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context;
 464
 465         if (!aac_valid_context(scsicmd, fibptr))
 466                 return 0;
 467
 468         fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 469
 470         scsicmd->SCp.Status = 0;
 471         if (fsa_dev_ptr) {
 472                 struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
 473                 fsa_dev_ptr += scmd_id(scsicmd);
 474
 475                 if ((le32_to_cpu(dresp->status) == ST_OK) &&
 476                     (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
 477                     (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
 478                         fsa_dev_ptr->valid = 1;
 479                         fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
 480                         fsa_dev_ptr->size
 481                           = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
 482                             (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
 483                         fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0);
 484                 }
 485                 if ((fsa_dev_ptr->valid & 1) == 0)
 486                         fsa_dev_ptr->valid = 0;
 487                 scsicmd->SCp.Status = le32_to_cpu(dresp->count);
 488         }
 489         aac_fib_complete(fibptr);
 490         aac_fib_free(fibptr);
 491         callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr);
 492         scsicmd->SCp.ptr = NULL;
 493         return (*callback)(scsicmd);
 494 }
 495
 496 static int _aac_probe_container1(void * context, struct fib * fibptr)
 497 {
 498         struct scsi_cmnd * scsicmd;
 499         struct aac_mount * dresp;
 500         struct aac_query_mount *dinfo;
 501         int status;
 502
 503         dresp = (struct aac_mount *) fib_data(fibptr);
 504         dresp->mnt[0].capacityhigh = 0;
 505         if ((le32_to_cpu(dresp->status) != ST_OK) ||
 506             ((le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
 507              (le32_to_cpu(dresp->mnt[0].state) == FSCS_HIDDEN)))
 508                 return _aac_probe_container2(context, fibptr);
 509         scsicmd = (struct scsi_cmnd *) context;
 510         scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
 511
 512         if (!aac_valid_context(scsicmd, fibptr))
 513                 return 0;
 514
 515         aac_fib_init(fibptr);
 516
 517         dinfo = (struct aac_query_mount *)fib_data(fibptr);
 518
 519         dinfo->command = cpu_to_le32(VM_NameServe64);
 520         dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 521         dinfo->type = cpu_to_le32(FT_FILESYS);
 522
 523         status = aac_fib_send(ContainerCommand,
 524                           fibptr,
 525                           sizeof(struct aac_query_mount),
 526                           FsaNormal,
 527                           0, 1,
 528                           (fib_callback) _aac_probe_container2,
 529                           (void *) scsicmd);
 530         /*
 531          *      Check that the command queued to the controller
 532          */
 533         if (status == -EINPROGRESS) {
 534                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 535                 return 0;
 536         }
 537         if (status < 0) {
 538                 /* Inherit results from VM_NameServe, if any */
 539                 dresp->status = cpu_to_le32(ST_OK);
 540                 return _aac_probe_container2(context, fibptr);
 541         }
 542         return 0;
 543 }
 544
 545 static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
 546 {
 547         struct fib * fibptr;
 548         int status = -ENOMEM;
 549
 550         if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
 551                 struct aac_query_mount *dinfo;
 552
 553                 aac_fib_init(fibptr);
 554
 555                 dinfo = (struct aac_query_mount *)fib_data(fibptr);
 556
 557                 dinfo->command = cpu_to_le32(VM_NameServe);
 558                 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 559                 dinfo->type = cpu_to_le32(FT_FILESYS);
 560                 scsicmd->SCp.ptr = (char *)callback;
 561
 562                 status = aac_fib_send(ContainerCommand,
 563                           fibptr,
 564                           sizeof(struct aac_query_mount),
 565                           FsaNormal,
 566                           0, 1,
 567                           (fib_callback) _aac_probe_container1,
 568                           (void *) scsicmd);
 569                 /*
 570                  *      Check that the command queued to the controller
 571                  */
 572                 if (status == -EINPROGRESS) {
 573                         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 574                         return 0;
 575                 }
 576                 if (status < 0) {
 577                         scsicmd->SCp.ptr = NULL;
 578                         aac_fib_complete(fibptr);
 579                         aac_fib_free(fibptr);
 580                 }
 581         }
 582         if (status < 0) {
 583                 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 584                 if (fsa_dev_ptr) {
 585                         fsa_dev_ptr += scmd_id(scsicmd);
 586                         if ((fsa_dev_ptr->valid & 1) == 0) {
 587                                 fsa_dev_ptr->valid = 0;
 588                                 return (*callback)(scsicmd);
 589                         }
 590                 }
 591         }
 592         return status;
 593 }
 594
 595 /**
 596  *      aac_probe_container             -       query a logical volume
 597  *      @dev: device to query
 598  *      @cid: container identifier
 599  *
 600  *      Queries the controller about the given volume. The volume information
 601  *      is updated in the struct fsa_dev_info structure rather than returned.
 602  */
 603 static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
 604 {
 605         scsicmd->device = NULL;
 606         return 0;
 607 }
 608
 609 int aac_probe_container(struct aac_dev *dev, int cid)
 610 {
 611         struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL);
 612         struct scsi_device *scsidev = kmalloc(sizeof(*scsidev), GFP_KERNEL);
 613         int status;
 614
 615         if (!scsicmd || !scsidev) {
 616                 kfree(scsicmd);
 617                 kfree(scsidev);
 618                 return -ENOMEM;
 619         }
 620         scsicmd->list.next = NULL;
 621         scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))_aac_probe_container1;
 622
 623         scsicmd->device = scsidev;
 624         scsidev->sdev_state = 0;
 625         scsidev->id = cid;
 626         scsidev->host = dev->scsi_host_ptr;
 627
 628         if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
 629                 while (scsicmd->device == scsidev)
 630                         schedule();
 631         status = scsicmd->SCp.Status;
 632         kfree(scsicmd);
 633         kfree(scsidev);
 634         return status;
 635 }
 636
 637 /* Local Structure to set SCSI inquiry data strings */
 638 struct scsi_inq {
 639         char vid[8];         /* Vendor ID */
 640         char pid[16];        /* Product ID */
 641         char prl[4];         /* Product Revision Level */
 642 };
 643
 644 /**
 645  *      InqStrCopy      -       string merge
 646  *      @a:     string to copy from
 647  *      @b:     string to copy to
 648  *
 649  *      Copy a String from one location to another
 650  *      without copying \0
 651  */
 652
 653 static void inqstrcpy(char *a, char *b)
 654 {
 655
 656         while(*a != (char)0)
 657                 *b++ = *a++;
 658 }
 659
 660 static char *container_types[] = {
 661         "None",
 662         "Volume",
 663         "Mirror",
 664         "Stripe",
 665         "RAID5",
 666         "SSRW",
 667         "SSRO",
 668         "Morph",
 669         "Legacy",
 670         "RAID4",
 671         "RAID10",
 672         "RAID00",
 673         "V-MIRRORS",
 674         "PSEUDO R4",
 675         "RAID50",
 676         "RAID5D",
 677         "RAID5D0",
 678         "RAID1E",
 679         "RAID6",
 680         "RAID60",
 681         "Unknown"
 682 };
 683
 684
 685
 686 /* Function: setinqstr
 687  *
 688  * Arguments: [1] pointer to void [1] int
 689  *
 690  * Purpose: Sets SCSI inquiry data strings for vendor, product
 691  * and revision level. Allows strings to be set in platform dependant
 692  * files instead of in OS dependant driver source.
 693  */
 694
 695 static void setinqstr(struct aac_dev *dev, void *data, int tindex)
 696 {
 697         struct scsi_inq *str;
 698
 699         str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
 700         memset(str, ' ', sizeof(*str));
 701
 702         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 703                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 704                 int c = sizeof(str->vid);
 705                 while (*cp && *cp != ' ' && --c)
 706                         ++cp;
 707                 c = *cp;
 708                 *cp = '\0';
 709                 inqstrcpy (dev->supplement_adapter_info.AdapterTypeText,
 710                   str->vid);
 711                 *cp = c;
 712                 while (*cp && *cp != ' ')
 713                         ++cp;
 714                 while (*cp == ' ')
 715                         ++cp;
 716                 /* last six chars reserved for vol type */
 717                 c = 0;
 718                 if (strlen(cp) > sizeof(str->pid)) {
 719                         c = cp[sizeof(str->pid)];
 720                         cp[sizeof(str->pid)] = '\0';
 721                 }
 722                 inqstrcpy (cp, str->pid);
 723                 if (c)
 724                         cp[sizeof(str->pid)] = c;
 725         } else {
 726                 struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
 727
 728                 inqstrcpy (mp->vname, str->vid);
 729                 /* last six chars reserved for vol type */
 730                 inqstrcpy (mp->model, str->pid);
 731         }
 732
 733         if (tindex < ARRAY_SIZE(container_types)){
 734                 char *findit = str->pid;
 735
 736                 for ( ; *findit != ' '; findit++); /* walk till we find a space */
 737                 /* RAID is superfluous in the context of a RAID device */
 738                 if (memcmp(findit-4, "RAID", 4) == 0)
 739                         *(findit -= 4) = ' ';
 740                 if (((findit - str->pid) + strlen(container_types[tindex]))
 741                  < (sizeof(str->pid) + sizeof(str->prl)))
 742                         inqstrcpy (container_types[tindex], findit + 1);
 743         }
 744         inqstrcpy ("V1.0", str->prl);
 745 }
 746
 747 static void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code,
 748                       u8 a_sense_code, u8 incorrect_length,
 749                       u8 bit_pointer, u16 field_pointer,
 750                       u32 residue)
 751 {
 752         sense_buf[0] = 0xF0;    /* Sense data valid, err code 70h (current error) */
 753         sense_buf[1] = 0;       /* Segment number, always zero */
 754
 755         if (incorrect_length) {
 756                 sense_buf[2] = sense_key | 0x20;/* Set ILI bit | sense key */
 757                 sense_buf[3] = BYTE3(residue);
 758                 sense_buf[4] = BYTE2(residue);
 759                 sense_buf[5] = BYTE1(residue);
 760                 sense_buf[6] = BYTE0(residue);
 761         } else
 762                 sense_buf[2] = sense_key;       /* Sense key */
 763
 764         if (sense_key == ILLEGAL_REQUEST)
 765                 sense_buf[7] = 10;      /* Additional sense length */
 766         else
 767                 sense_buf[7] = 6;       /* Additional sense length */
 768
 769         sense_buf[12] = sense_code;     /* Additional sense code */
 770         sense_buf[13] = a_sense_code;   /* Additional sense code qualifier */
 771         if (sense_key == ILLEGAL_REQUEST) {
 772                 sense_buf[15] = 0;
 773
 774                 if (sense_code == SENCODE_INVALID_PARAM_FIELD)
 775                         sense_buf[15] = 0x80;/* Std sense key specific field */
 776                 /* Illegal parameter is in the parameter block */
 777
 778                 if (sense_code == SENCODE_INVALID_CDB_FIELD)
 779                         sense_buf[15] = 0xc0;/* Std sense key specific field */
 780                 /* Illegal parameter is in the CDB block */
 781                 sense_buf[15] |= bit_pointer;
 782                 sense_buf[16] = field_pointer >> 8;     /* MSB */
 783                 sense_buf[17] = field_pointer;          /* LSB */
 784         }
 785 }
 786
 787 static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
 788 {
 789         if (lba & 0xffffffff00000000LL) {
 790                 int cid = scmd_id(cmd);
 791                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
 792                 cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
 793                         SAM_STAT_CHECK_CONDITION;
 794                 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
 795                             HARDWARE_ERROR,
 796                             SENCODE_INTERNAL_TARGET_FAILURE,
 797                             ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
 798                             0, 0);
 799                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
 800                   (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(cmd->sense_buffer))
 801                     ? sizeof(cmd->sense_buffer)
 802                     : sizeof(dev->fsa_dev[cid].sense_data));
 803                 cmd->scsi_done(cmd);
 804                 return 1;
 805         }
 806         return 0;
 807 }
 808
 809 static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
 810 {
 811         return 0;
 812 }
 813
 814 static void io_callback(void *context, struct fib * fibptr);
 815
 816 static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 817 {
 818         u16 fibsize;
 819         struct aac_raw_io *readcmd;
 820         aac_fib_init(fib);
 821         readcmd = (struct aac_raw_io *) fib_data(fib);
 822         readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
 823         readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
 824         readcmd->count = cpu_to_le32(count<<9);
 825         readcmd->cid = cpu_to_le16(scmd_id(cmd));
 826         readcmd->flags = cpu_to_le16(1);
 827         readcmd->bpTotal = 0;
 828         readcmd->bpComplete = 0;
 829
 830         aac_build_sgraw(cmd, &readcmd->sg);
 831         fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
 832         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
 833         /*
 834          *      Now send the Fib to the adapter
 835          */
 836         return aac_fib_send(ContainerRawIo,
 837                           fib,
 838                           fibsize,
 839                           FsaNormal,
 840                           0, 1,
 841                           (fib_callback) io_callback,
 842                           (void *) cmd);
 843 }
 844
 845 static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 846 {
 847         u16 fibsize;
 848         struct aac_read64 *readcmd;
 849         aac_fib_init(fib);
 850         readcmd = (struct aac_read64 *) fib_data(fib);
 851         readcmd->command = cpu_to_le32(VM_CtHostRead64);
 852         readcmd->cid = cpu_to_le16(scmd_id(cmd));
 853         readcmd->sector_count = cpu_to_le16(count);
 854         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
 855         readcmd->pad   = 0;
 856         readcmd->flags = 0;
 857
 858         aac_build_sg64(cmd, &readcmd->sg);
 859         fibsize = sizeof(struct aac_read64) +
 860                 ((le32_to_cpu(readcmd->sg.count) - 1) *
 861                  sizeof (struct sgentry64));
 862         BUG_ON (fibsize > (fib->dev->max_fib_size -
 863                                 sizeof(struct aac_fibhdr)));
 864         /*
 865          *      Now send the Fib to the adapter
 866          */
 867         return aac_fib_send(ContainerCommand64,
 868                           fib,
 869                           fibsize,
 870                           FsaNormal,
 871                           0, 1,
 872                           (fib_callback) io_callback,
 873                           (void *) cmd);
 874 }
 875
 876 static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 877 {
 878         u16 fibsize;
 879         struct aac_read *readcmd;
 880         aac_fib_init(fib);
 881         readcmd = (struct aac_read *) fib_data(fib);
 882         readcmd->command = cpu_to_le32(VM_CtBlockRead);
 883         readcmd->cid = cpu_to_le16(scmd_id(cmd));
 884         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
 885         readcmd->count = cpu_to_le32(count * 512);
 886
 887         aac_build_sg(cmd, &readcmd->sg);
 888         fibsize = sizeof(struct aac_read) +
 889                         ((le32_to_cpu(readcmd->sg.count) - 1) *
 890                          sizeof (struct sgentry));
 891         BUG_ON (fibsize > (fib->dev->max_fib_size -
 892                                 sizeof(struct aac_fibhdr)));
 893         /*
 894          *      Now send the Fib to the adapter
 895          */
 896         return aac_fib_send(ContainerCommand,
 897                           fib,
 898                           fibsize,
 899                           FsaNormal,
 900                           0, 1,
 901                           (fib_callback) io_callback,
 902                           (void *) cmd);
 903 }
 904
 905 static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 906 {
 907         u16 fibsize;
 908         struct aac_raw_io *writecmd;
 909         aac_fib_init(fib);
 910         writecmd = (struct aac_raw_io *) fib_data(fib);
 911         writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
 912         writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
 913         writecmd->count = cpu_to_le32(count<<9);
 914         writecmd->cid = cpu_to_le16(scmd_id(cmd));
 915         writecmd->flags = 0;
 916         writecmd->bpTotal = 0;
 917         writecmd->bpComplete = 0;
 918
 919         aac_build_sgraw(cmd, &writecmd->sg);
 920         fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
 921         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
 922         /*
 923          *      Now send the Fib to the adapter
 924          */
 925         return aac_fib_send(ContainerRawIo,
 926                           fib,
 927                           fibsize,
 928                           FsaNormal,
 929                           0, 1,
 930                           (fib_callback) io_callback,
 931                           (void *) cmd);
 932 }
 933
 934 static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 935 {
 936         u16 fibsize;
 937         struct aac_write64 *writecmd;
 938         aac_fib_init(fib);
 939         writecmd = (struct aac_write64 *) fib_data(fib);
 940         writecmd->command = cpu_to_le32(VM_CtHostWrite64);
 941         writecmd->cid = cpu_to_le16(scmd_id(cmd));
 942         writecmd->sector_count = cpu_to_le16(count);
 943         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
 944         writecmd->pad   = 0;
 945         writecmd->flags = 0;
 946
 947         aac_build_sg64(cmd, &writecmd->sg);
 948         fibsize = sizeof(struct aac_write64) +
 949                 ((le32_to_cpu(writecmd->sg.count) - 1) *
 950                  sizeof (struct sgentry64));
 951         BUG_ON (fibsize > (fib->dev->max_fib_size -
 952                                 sizeof(struct aac_fibhdr)));
 953         /*
 954          *      Now send the Fib to the adapter
 955          */
 956         return aac_fib_send(ContainerCommand64,
 957                           fib,
 958                           fibsize,
 959                           FsaNormal,
 960                           0, 1,
 961                           (fib_callback) io_callback,
 962                           (void *) cmd);
 963 }
 964
 965 static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 966 {
 967         u16 fibsize;
 968         struct aac_write *writecmd;
 969         aac_fib_init(fib);
 970         writecmd = (struct aac_write *) fib_data(fib);
 971         writecmd->command = cpu_to_le32(VM_CtBlockWrite);
 972         writecmd->cid = cpu_to_le16(scmd_id(cmd));
 973         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
 974         writecmd->count = cpu_to_le32(count * 512);
 975         writecmd->sg.count = cpu_to_le32(1);
 976         /* ->stable is not used - it did mean which type of write */
 977
 978         aac_build_sg(cmd, &writecmd->sg);
 979         fibsize = sizeof(struct aac_write) +
 980                 ((le32_to_cpu(writecmd->sg.count) - 1) *
 981                  sizeof (struct sgentry));
 982         BUG_ON (fibsize > (fib->dev->max_fib_size -
 983                                 sizeof(struct aac_fibhdr)));
 984         /*
 985          *      Now send the Fib to the adapter
 986          */
 987         return aac_fib_send(ContainerCommand,
 988                           fib,
 989                           fibsize,
 990                           FsaNormal,
 991                           0, 1,
 992                           (fib_callback) io_callback,
 993                           (void *) cmd);
 994 }
 995
 996 static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
 997 {
 998         struct aac_srb * srbcmd;
 999         u32 flag;
1000         u32 timeout;
1001
1002         aac_fib_init(fib);
1003         switch(cmd->sc_data_direction){
1004         case DMA_TO_DEVICE:
1005                 flag = SRB_DataOut;
1006                 break;
1007         case DMA_BIDIRECTIONAL:
1008                 flag = SRB_DataIn | SRB_DataOut;
1009                 break;
1010         case DMA_FROM_DEVICE:
1011                 flag = SRB_DataIn;
1012                 break;
1013         case DMA_NONE:
1014         default:        /* shuts up some versions of gcc */
1015                 flag = SRB_NoDataXfer;
1016                 break;
1017         }
1018
1019         srbcmd = (struct aac_srb*) fib_data(fib);
1020         srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1021         srbcmd->channel  = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1022         srbcmd->id       = cpu_to_le32(scmd_id(cmd));
1023         srbcmd->lun      = cpu_to_le32(cmd->device->lun);
1024         srbcmd->flags    = cpu_to_le32(flag);
1025         timeout = cmd->timeout_per_command/HZ;
1026         if (timeout == 0)
1027                 timeout = 1;
1028         srbcmd->timeout  = cpu_to_le32(timeout);  // timeout in seconds
1029         srbcmd->retry_limit = 0; /* Obsolete parameter */
1030         srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1031         return srbcmd;
1032 }
1033
1034 static void aac_srb_callback(void *context, struct fib * fibptr);
1035
1036 static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1037 {
1038         u16 fibsize;
1039         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1040
1041         aac_build_sg64(cmd, (struct sgmap64*) &srbcmd->sg);
1042         srbcmd->count = cpu_to_le32(cmd->request_bufflen);
1043
1044         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1045         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1046         /*
1047          *      Build Scatter/Gather list
1048          */
1049         fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1050                 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1051                  sizeof (struct sgentry64));
1052         BUG_ON (fibsize > (fib->dev->max_fib_size -
1053                                 sizeof(struct aac_fibhdr)));
1054
1055         /*
1056          *      Now send the Fib to the adapter
1057          */
1058         return aac_fib_send(ScsiPortCommand64, fib,
1059                                 fibsize, FsaNormal, 0, 1,
1060                                   (fib_callback) aac_srb_callback,
1061                                   (void *) cmd);
1062 }
1063
1064 static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1065 {
1066         u16 fibsize;
1067         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1068
1069         aac_build_sg(cmd, (struct sgmap*)&srbcmd->sg);
1070         srbcmd->count = cpu_to_le32(cmd->request_bufflen);
1071
1072         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1073         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1074         /*
1075          *      Build Scatter/Gather list
1076          */
1077         fibsize = sizeof (struct aac_srb) +
1078                 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1079                  sizeof (struct sgentry));
1080         BUG_ON (fibsize > (fib->dev->max_fib_size -
1081                                 sizeof(struct aac_fibhdr)));
1082
1083         /*
1084          *      Now send the Fib to the adapter
1085          */
1086         return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1087                                   (fib_callback) aac_srb_callback, (void *) cmd);
1088 }
1089
1090 int aac_get_adapter_info(struct aac_dev* dev)
1091 {
1092         struct fib* fibptr;
1093         int rcode;
1094         u32 tmp;
1095         struct aac_adapter_info *info;
1096         struct aac_bus_info *command;
1097         struct aac_bus_info_response *bus_info;
1098
1099         if (!(fibptr = aac_fib_alloc(dev)))
1100                 return -ENOMEM;
1101
1102         aac_fib_init(fibptr);
1103         info = (struct aac_adapter_info *) fib_data(fibptr);
1104         memset(info,0,sizeof(*info));
1105
1106         rcode = aac_fib_send(RequestAdapterInfo,
1107                          fibptr,
1108                          sizeof(*info),
1109                          FsaNormal,
1110                          -1, 1, /* First `interrupt' command uses special wait */
1111                          NULL,
1112                          NULL);
1113
1114         if (rcode < 0) {
1115                 aac_fib_complete(fibptr);
1116                 aac_fib_free(fibptr);
1117                 return rcode;
1118         }
1119         memcpy(&dev->adapter_info, info, sizeof(*info));
1120
1121         if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
1122                 struct aac_supplement_adapter_info * info;
1123
1124                 aac_fib_init(fibptr);
1125
1126                 info = (struct aac_supplement_adapter_info *) fib_data(fibptr);
1127
1128                 memset(info,0,sizeof(*info));
1129
1130                 rcode = aac_fib_send(RequestSupplementAdapterInfo,
1131                                  fibptr,
1132                                  sizeof(*info),
1133                                  FsaNormal,
1134                                  1, 1,
1135                                  NULL,
1136                                  NULL);
1137
1138                 if (rcode >= 0)
1139                         memcpy(&dev->supplement_adapter_info, info, sizeof(*info));
1140         }
1141
1142
1143         /*
1144          * GetBusInfo
1145          */
1146
1147         aac_fib_init(fibptr);
1148
1149         bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
1150
1151         memset(bus_info, 0, sizeof(*bus_info));
1152
1153         command = (struct aac_bus_info *)bus_info;
1154
1155         command->Command = cpu_to_le32(VM_Ioctl);
1156         command->ObjType = cpu_to_le32(FT_DRIVE);
1157         command->MethodId = cpu_to_le32(1);
1158         command->CtlCmd = cpu_to_le32(GetBusInfo);
1159
1160         rcode = aac_fib_send(ContainerCommand,
1161                          fibptr,
1162                          sizeof (*bus_info),
1163                          FsaNormal,
1164                          1, 1,
1165                          NULL, NULL);
1166
1167         if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
1168                 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
1169                 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
1170         }
1171
1172         if (!dev->in_reset) {
1173                 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1174                 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
1175                         dev->name,
1176                         dev->id,
1177                         tmp>>24,
1178                         (tmp>>16)&0xff,
1179                         tmp&0xff,
1180                         le32_to_cpu(dev->adapter_info.kernelbuild),
1181                         (int)sizeof(dev->supplement_adapter_info.BuildDate),
1182                         dev->supplement_adapter_info.BuildDate);
1183                 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1184                 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
1185                         dev->name, dev->id,
1186                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1187                         le32_to_cpu(dev->adapter_info.monitorbuild));
1188                 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1189                 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
1190                         dev->name, dev->id,
1191                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1192                         le32_to_cpu(dev->adapter_info.biosbuild));
1193                 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1194                         printk(KERN_INFO "%s%d: serial %x\n",
1195                                 dev->name, dev->id,
1196                                 le32_to_cpu(dev->adapter_info.serial[0]));
1197         }
1198
1199         dev->nondasd_support = 0;
1200         dev->raid_scsi_mode = 0;
1201         if(dev->adapter_info.options & AAC_OPT_NONDASD){
1202                 dev->nondasd_support = 1;
1203         }
1204
1205         /*
1206          * If the firmware supports ROMB RAID/SCSI mode and we are currently
1207          * in RAID/SCSI mode, set the flag. For now if in this mode we will
1208          * force nondasd support on. If we decide to allow the non-dasd flag
1209          * additional changes changes will have to be made to support
1210          * RAID/SCSI.  the function aac_scsi_cmd in this module will have to be
1211          * changed to support the new dev->raid_scsi_mode flag instead of
1212          * leaching off of the dev->nondasd_support flag. Also in linit.c the
1213          * function aac_detect will have to be modified where it sets up the
1214          * max number of channels based on the aac->nondasd_support flag only.
1215          */
1216         if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
1217             (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
1218                 dev->nondasd_support = 1;
1219                 dev->raid_scsi_mode = 1;
1220         }
1221         if (dev->raid_scsi_mode != 0)
1222                 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
1223                                 dev->name, dev->id);
1224
1225         if(nondasd != -1) {
1226                 dev->nondasd_support = (nondasd!=0);
1227         }
1228         if(dev->nondasd_support != 0){
1229                 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
1230         }
1231
1232         dev->dac_support = 0;
1233         if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){
1234                 printk(KERN_INFO "%s%d: 64bit support enabled.\n", dev->name, dev->id);
1235                 dev->dac_support = 1;
1236         }
1237
1238         if(dacmode != -1) {
1239                 dev->dac_support = (dacmode!=0);
1240         }
1241         if(dev->dac_support != 0) {
1242                 if (!pci_set_dma_mask(dev->pdev, DMA_64BIT_MASK) &&
1243                         !pci_set_consistent_dma_mask(dev->pdev, DMA_64BIT_MASK)) {
1244                         printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
1245                                 dev->name, dev->id);
1246                 } else if (!pci_set_dma_mask(dev->pdev, DMA_32BIT_MASK) &&
1247                         !pci_set_consistent_dma_mask(dev->pdev, DMA_32BIT_MASK)) {
1248                         printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
1249                                 dev->name, dev->id);
1250                         dev->dac_support = 0;
1251                 } else {
1252                         printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
1253                                 dev->name, dev->id);
1254                         rcode = -ENOMEM;
1255                 }
1256         }
1257         /*
1258          * Deal with configuring for the individualized limits of each packet
1259          * interface.
1260          */
1261         dev->a_ops.adapter_scsi = (dev->dac_support)
1262                                 ? aac_scsi_64
1263                                 : aac_scsi_32;
1264         if (dev->raw_io_interface) {
1265                 dev->a_ops.adapter_bounds = (dev->raw_io_64)
1266                                         ? aac_bounds_64
1267                                         : aac_bounds_32;
1268                 dev->a_ops.adapter_read = aac_read_raw_io;
1269                 dev->a_ops.adapter_write = aac_write_raw_io;
1270         } else {
1271                 dev->a_ops.adapter_bounds = aac_bounds_32;
1272                 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
1273                         sizeof(struct aac_fibhdr) -
1274                         sizeof(struct aac_write) + sizeof(struct sgentry)) /
1275                                 sizeof(struct sgentry);
1276                 if (dev->dac_support) {
1277                         dev->a_ops.adapter_read = aac_read_block64;
1278                         dev->a_ops.adapter_write = aac_write_block64;
1279                         /*
1280                          * 38 scatter gather elements
1281                          */
1282                         dev->scsi_host_ptr->sg_tablesize =
1283                                 (dev->max_fib_size -
1284                                 sizeof(struct aac_fibhdr) -
1285                                 sizeof(struct aac_write64) +
1286                                 sizeof(struct sgentry64)) /
1287                                         sizeof(struct sgentry64);
1288                 } else {
1289                         dev->a_ops.adapter_read = aac_read_block;
1290                         dev->a_ops.adapter_write = aac_write_block;
1291                 }
1292                 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
1293                 if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
1294                         /*
1295                          * Worst case size that could cause sg overflow when
1296                          * we break up SG elements that are larger than 64KB.
1297                          * Would be nice if we could tell the SCSI layer what
1298                          * the maximum SG element size can be. Worst case is
1299                          * (sg_tablesize-1) 4KB elements with one 64KB
1300                          * element.
1301                          *      32bit -> 468 or 238KB   64bit -> 424 or 212KB
1302                          */
1303                         dev->scsi_host_ptr->max_sectors =
1304                           (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
1305                 }
1306         }
1307
1308         aac_fib_complete(fibptr);
1309         aac_fib_free(fibptr);
1310
1311         return rcode;
1312 }
1313
1314
1315 static void io_callback(void *context, struct fib * fibptr)
1316 {
1317         struct aac_dev *dev;
1318         struct aac_read_reply *readreply;
1319         struct scsi_cmnd *scsicmd;
1320         u32 cid;
1321
1322         scsicmd = (struct scsi_cmnd *) context;
1323         scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
1324
1325         if (!aac_valid_context(scsicmd, fibptr))
1326                 return;
1327
1328         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1329         cid = scmd_id(scsicmd);
1330
1331         if (nblank(dprintk(x))) {
1332                 u64 lba;
1333                 switch (scsicmd->cmnd[0]) {
1334                 case WRITE_6:
1335                 case READ_6:
1336                         lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1337                             (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1338                         break;
1339                 case WRITE_16:
1340                 case READ_16:
1341                         lba = ((u64)scsicmd->cmnd[2] << 56) |
1342                               ((u64)scsicmd->cmnd[3] << 48) |
1343                               ((u64)scsicmd->cmnd[4] << 40) |
1344                               ((u64)scsicmd->cmnd[5] << 32) |
1345                               ((u64)scsicmd->cmnd[6] << 24) |
1346                               (scsicmd->cmnd[7] << 16) |
1347                               (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1348                         break;
1349                 case WRITE_12:
1350                 case READ_12:
1351                         lba = ((u64)scsicmd->cmnd[2] << 24) |
1352                               (scsicmd->cmnd[3] << 16) |
1353                               (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1354                         break;
1355                 default:
1356                         lba = ((u64)scsicmd->cmnd[2] << 24) |
1357                                (scsicmd->cmnd[3] << 16) |
1358                                (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1359                         break;
1360                 }
1361                 printk(KERN_DEBUG
1362                   "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
1363                   smp_processor_id(), (unsigned long long)lba, jiffies);
1364         }
1365
1366         BUG_ON(fibptr == NULL);
1367
1368         if(scsicmd->use_sg)
1369                 pci_unmap_sg(dev->pdev,
1370                         (struct scatterlist *)scsicmd->request_buffer,
1371                         scsicmd->use_sg,
1372                         scsicmd->sc_data_direction);
1373         else if(scsicmd->request_bufflen)
1374                 pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle,
1375                                  scsicmd->request_bufflen,
1376                                  scsicmd->sc_data_direction);
1377         readreply = (struct aac_read_reply *)fib_data(fibptr);
1378         if (le32_to_cpu(readreply->status) == ST_OK)
1379                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1380         else {
1381 #ifdef AAC_DETAILED_STATUS_INFO
1382                 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
1383                   le32_to_cpu(readreply->status));
1384 #endif
1385                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1386                 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1387                                     HARDWARE_ERROR,
1388                                     SENCODE_INTERNAL_TARGET_FAILURE,
1389                                     ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1390                                     0, 0);
1391                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1392                   (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1393                     ? sizeof(scsicmd->sense_buffer)
1394                     : sizeof(dev->fsa_dev[cid].sense_data));
1395         }
1396         aac_fib_complete(fibptr);
1397         aac_fib_free(fibptr);
1398
1399         scsicmd->scsi_done(scsicmd);
1400 }
1401
1402 static int aac_read(struct scsi_cmnd * scsicmd)
1403 {
1404         u64 lba;
1405         u32 count;
1406         int status;
1407         struct aac_dev *dev;
1408         struct fib * cmd_fibcontext;
1409
1410         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1411         /*
1412          *      Get block address and transfer length
1413          */
1414         switch (scsicmd->cmnd[0]) {
1415         case READ_6:
1416                 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
1417
1418                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1419                         (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1420                 count = scsicmd->cmnd[4];
1421
1422                 if (count == 0)
1423                         count = 256;
1424                 break;
1425         case READ_16:
1426                 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
1427
1428                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
1429                         ((u64)scsicmd->cmnd[3] << 48) |
1430                         ((u64)scsicmd->cmnd[4] << 40) |
1431                         ((u64)scsicmd->cmnd[5] << 32) |
1432                         ((u64)scsicmd->cmnd[6] << 24) |
1433                         (scsicmd->cmnd[7] << 16) |
1434                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1435                 count = (scsicmd->cmnd[10] << 24) |
1436                         (scsicmd->cmnd[11] << 16) |
1437                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1438                 break;
1439         case READ_12:
1440                 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
1441
1442                 lba = ((u64)scsicmd->cmnd[2] << 24) |
1443                         (scsicmd->cmnd[3] << 16) |
1444                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1445                 count = (scsicmd->cmnd[6] << 24) |
1446                         (scsicmd->cmnd[7] << 16) |
1447                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1448                 break;
1449         default:
1450                 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
1451
1452                 lba = ((u64)scsicmd->cmnd[2] << 24) |
1453                         (scsicmd->cmnd[3] << 16) |
1454                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1455                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1456                 break;
1457         }
1458         dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
1459           smp_processor_id(), (unsigned long long)lba, jiffies));
1460         if (aac_adapter_bounds(dev,scsicmd,lba))
1461                 return 0;
1462         /*
1463          *      Alocate and initialize a Fib
1464          */
1465         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1466                 return -1;
1467         }
1468
1469         status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
1470
1471         /*
1472          *      Check that the command queued to the controller
1473          */
1474         if (status == -EINPROGRESS) {
1475                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1476                 return 0;
1477         }
1478
1479         printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
1480         /*
1481          *      For some reason, the Fib didn't queue, return QUEUE_FULL
1482          */
1483         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1484         scsicmd->scsi_done(scsicmd);
1485         aac_fib_complete(cmd_fibcontext);
1486         aac_fib_free(cmd_fibcontext);
1487         return 0;
1488 }
1489
1490 static int aac_write(struct scsi_cmnd * scsicmd)
1491 {
1492         u64 lba;
1493         u32 count;
1494         int status;
1495         struct aac_dev *dev;
1496         struct fib * cmd_fibcontext;
1497
1498         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1499         /*
1500          *      Get block address and transfer length
1501          */
1502         if (scsicmd->cmnd[0] == WRITE_6)        /* 6 byte command */
1503         {
1504                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1505                 count = scsicmd->cmnd[4];
1506                 if (count == 0)
1507                         count = 256;
1508         } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
1509                 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
1510
1511                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
1512                         ((u64)scsicmd->cmnd[3] << 48) |
1513                         ((u64)scsicmd->cmnd[4] << 40) |
1514                         ((u64)scsicmd->cmnd[5] << 32) |
1515                         ((u64)scsicmd->cmnd[6] << 24) |
1516                         (scsicmd->cmnd[7] << 16) |
1517                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1518                 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
1519                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1520         } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
1521                 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
1522
1523                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
1524                     | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1525                 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
1526                       | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1527         } else {
1528                 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
1529                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1530                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1531         }
1532         dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
1533           smp_processor_id(), (unsigned long long)lba, jiffies));
1534         if (aac_adapter_bounds(dev,scsicmd,lba))
1535                 return 0;
1536         /*
1537          *      Allocate and initialize a Fib then setup a BlockWrite command
1538          */
1539         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1540                 scsicmd->result = DID_ERROR << 16;
1541                 scsicmd->scsi_done(scsicmd);
1542                 return 0;
1543         }
1544
1545         status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count);
1546
1547         /*
1548          *      Check that the command queued to the controller
1549          */
1550         if (status == -EINPROGRESS) {
1551                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1552                 return 0;
1553         }
1554
1555         printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
1556         /*
1557          *      For some reason, the Fib didn't queue, return QUEUE_FULL
1558          */
1559         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1560         scsicmd->scsi_done(scsicmd);
1561
1562         aac_fib_complete(cmd_fibcontext);
1563         aac_fib_free(cmd_fibcontext);
1564         return 0;
1565 }
1566
1567 static void synchronize_callback(void *context, struct fib *fibptr)
1568 {
1569         struct aac_synchronize_reply *synchronizereply;
1570         struct scsi_cmnd *cmd;
1571
1572         cmd = context;
1573         cmd->SCp.phase = AAC_OWNER_MIDLEVEL;
1574
1575         if (!aac_valid_context(cmd, fibptr))
1576                 return;
1577
1578         dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
1579                                 smp_processor_id(), jiffies));
1580         BUG_ON(fibptr == NULL);
1581
1582
1583         synchronizereply = fib_data(fibptr);
1584         if (le32_to_cpu(synchronizereply->status) == CT_OK)
1585                 cmd->result = DID_OK << 16 |
1586                         COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1587         else {
1588                 struct scsi_device *sdev = cmd->device;
1589                 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1590                 u32 cid = sdev_id(sdev);
1591                 printk(KERN_WARNING
1592                      "synchronize_callback: synchronize failed, status = %d\n",
1593                      le32_to_cpu(synchronizereply->status));
1594                 cmd->result = DID_OK << 16 |
1595                         COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1596                 set_sense((u8 *)&dev->fsa_dev[cid].sense_data,
1597                                     HARDWARE_ERROR,
1598                                     SENCODE_INTERNAL_TARGET_FAILURE,
1599                                     ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1600                                     0, 0);
1601                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1602                   min(sizeof(dev->fsa_dev[cid].sense_data),
1603                           sizeof(cmd->sense_buffer)));
1604         }
1605
1606         aac_fib_complete(fibptr);
1607         aac_fib_free(fibptr);
1608         cmd->scsi_done(cmd);
1609 }
1610
1611 static int aac_synchronize(struct scsi_cmnd *scsicmd)
1612 {
1613         int status;
1614         struct fib *cmd_fibcontext;
1615         struct aac_synchronize *synchronizecmd;
1616         struct scsi_cmnd *cmd;
1617         struct scsi_device *sdev = scsicmd->device;
1618         int active = 0;
1619         struct aac_dev *aac;
1620         unsigned long flags;
1621
1622         /*
1623          * Wait for all outstanding queued commands to complete to this
1624          * specific target (block).
1625          */
1626         spin_lock_irqsave(&sdev->list_lock, flags);
1627         list_for_each_entry(cmd, &sdev->cmd_list, list)
1628                 if (cmd != scsicmd && cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
1629                         ++active;
1630                         break;
1631                 }
1632
1633         spin_unlock_irqrestore(&sdev->list_lock, flags);
1634
1635         /*
1636          *      Yield the processor (requeue for later)
1637          */
1638         if (active)
1639                 return SCSI_MLQUEUE_DEVICE_BUSY;
1640
1641         aac = (struct aac_dev *)scsicmd->device->host->hostdata;
1642         if (aac->in_reset)
1643                 return SCSI_MLQUEUE_HOST_BUSY;
1644
1645         /*
1646          *      Allocate and initialize a Fib
1647          */
1648         if (!(cmd_fibcontext = aac_fib_alloc(aac)))
1649                 return SCSI_MLQUEUE_HOST_BUSY;
1650
1651         aac_fib_init(cmd_fibcontext);
1652
1653         synchronizecmd = fib_data(cmd_fibcontext);
1654         synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
1655         synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
1656         synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
1657         synchronizecmd->count =
1658              cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
1659
1660         /*
1661          *      Now send the Fib to the adapter
1662          */
1663         status = aac_fib_send(ContainerCommand,
1664                   cmd_fibcontext,
1665                   sizeof(struct aac_synchronize),
1666                   FsaNormal,
1667                   0, 1,
1668                   (fib_callback)synchronize_callback,
1669                   (void *)scsicmd);
1670
1671         /*
1672          *      Check that the command queued to the controller
1673          */
1674         if (status == -EINPROGRESS) {
1675                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1676                 return 0;
1677         }
1678
1679         printk(KERN_WARNING
1680                 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
1681         aac_fib_complete(cmd_fibcontext);
1682         aac_fib_free(cmd_fibcontext);
1683         return SCSI_MLQUEUE_HOST_BUSY;
1684 }
1685
1686 /**
1687  *      aac_scsi_cmd()          -       Process SCSI command
1688  *      @scsicmd:               SCSI command block
1689  *
1690  *      Emulate a SCSI command and queue the required request for the
1691  *      aacraid firmware.
1692  */
1693
1694 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
1695 {
1696         u32 cid = 0;
1697         struct Scsi_Host *host = scsicmd->device->host;
1698         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
1699         struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
1700
1701         if (fsa_dev_ptr == NULL)
1702                 return -1;
1703         /*
1704          *      If the bus, id or lun is out of range, return fail
1705          *      Test does not apply to ID 16, the pseudo id for the controller
1706          *      itself.
1707          */
1708         if (scmd_id(scsicmd) != host->this_id) {
1709                 if ((scmd_channel(scsicmd) == CONTAINER_CHANNEL)) {
1710                         if((scmd_id(scsicmd) >= dev->maximum_num_containers) ||
1711                                         (scsicmd->device->lun != 0)) {
1712                                 scsicmd->result = DID_NO_CONNECT << 16;
1713                                 scsicmd->scsi_done(scsicmd);
1714                                 return 0;
1715                         }
1716                         cid = scmd_id(scsicmd);
1717
1718                         /*
1719                          *      If the target container doesn't exist, it may have
1720                          *      been newly created
1721                          */
1722                         if ((fsa_dev_ptr[cid].valid & 1) == 0) {
1723                                 switch (scsicmd->cmnd[0]) {
1724                                 case SERVICE_ACTION_IN:
1725                                         if (!(dev->raw_io_interface) ||
1726                                             !(dev->raw_io_64) ||
1727                                             ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
1728                                                 break;
1729                                 case INQUIRY:
1730                                 case READ_CAPACITY:
1731                                 case TEST_UNIT_READY:
1732                                         if (dev->in_reset)
1733                                                 return -1;
1734                                         return _aac_probe_container(scsicmd,
1735                                                         aac_probe_container_callback2);
1736                                 default:
1737                                         break;
1738                                 }
1739                         }
1740                 } else {  /* check for physical non-dasd devices */
1741                         if ((dev->nondasd_support == 1) || expose_physicals) {
1742                                 if (dev->in_reset)
1743                                         return -1;
1744                                 return aac_send_srb_fib(scsicmd);
1745                         } else {
1746                                 scsicmd->result = DID_NO_CONNECT << 16;
1747                                 scsicmd->scsi_done(scsicmd);
1748                                 return 0;
1749                         }
1750                 }
1751         }
1752         /*
1753          * else Command for the controller itself
1754          */
1755         else if ((scsicmd->cmnd[0] != INQUIRY) &&       /* only INQUIRY & TUR cmnd supported for controller */
1756                 (scsicmd->cmnd[0] != TEST_UNIT_READY))
1757         {
1758                 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
1759                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1760                 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1761                             ILLEGAL_REQUEST,
1762                             SENCODE_INVALID_COMMAND,
1763                             ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
1764                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1765                   (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1766                     ? sizeof(scsicmd->sense_buffer)
1767                     : sizeof(dev->fsa_dev[cid].sense_data));
1768                 scsicmd->scsi_done(scsicmd);
1769                 return 0;
1770         }
1771
1772
1773         /* Handle commands here that don't really require going out to the adapter */
1774         switch (scsicmd->cmnd[0]) {
1775         case INQUIRY:
1776         {
1777                 struct inquiry_data inq_data;
1778
1779                 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", scmd_id(scsicmd)));
1780                 memset(&inq_data, 0, sizeof (struct inquiry_data));
1781
1782                 inq_data.inqd_ver = 2;  /* claim compliance to SCSI-2 */
1783                 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 */
1784                 inq_data.inqd_len = 31;
1785                 /*Format for "pad2" is  RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
1786                 inq_data.inqd_pad2= 0x32 ;       /*WBus16|Sync|CmdQue */
1787                 /*
1788                  *      Set the Vendor, Product, and Revision Level
1789                  *      see: <vendor>.c i.e. aac.c
1790                  */
1791                 if (scmd_id(scsicmd) == host->this_id) {
1792                         setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
1793                         inq_data.inqd_pdt = INQD_PDT_PROC;      /* Processor device */
1794                         aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
1795                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1796                         scsicmd->scsi_done(scsicmd);
1797                         return 0;
1798                 }
1799                 if (dev->in_reset)
1800                         return -1;
1801                 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
1802                 inq_data.inqd_pdt = INQD_PDT_DA;        /* Direct/random access device */
1803                 aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
1804                 return aac_get_container_name(scsicmd);
1805         }
1806         case SERVICE_ACTION_IN:
1807                 if (!(dev->raw_io_interface) ||
1808                     !(dev->raw_io_64) ||
1809                     ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
1810                         break;
1811         {
1812                 u64 capacity;
1813                 char cp[13];
1814
1815                 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
1816                 capacity = fsa_dev_ptr[cid].size - 1;
1817                 cp[0] = (capacity >> 56) & 0xff;
1818                 cp[1] = (capacity >> 48) & 0xff;
1819                 cp[2] = (capacity >> 40) & 0xff;
1820                 cp[3] = (capacity >> 32) & 0xff;
1821                 cp[4] = (capacity >> 24) & 0xff;
1822                 cp[5] = (capacity >> 16) & 0xff;
1823                 cp[6] = (capacity >> 8) & 0xff;
1824                 cp[7] = (capacity >> 0) & 0xff;
1825                 cp[8] = 0;
1826                 cp[9] = 0;
1827                 cp[10] = 2;
1828                 cp[11] = 0;
1829                 cp[12] = 0;
1830                 aac_internal_transfer(scsicmd, cp, 0,
1831                   min_t(size_t, scsicmd->cmnd[13], sizeof(cp)));
1832                 if (sizeof(cp) < scsicmd->cmnd[13]) {
1833                         unsigned int len, offset = sizeof(cp);
1834
1835                         memset(cp, 0, offset);
1836                         do {
1837                                 len = min_t(size_t, scsicmd->cmnd[13] - offset,
1838                                                 sizeof(cp));
1839                                 aac_internal_transfer(scsicmd, cp, offset, len);
1840                         } while ((offset += len) < scsicmd->cmnd[13]);
1841                 }
1842
1843                 /* Do not cache partition table for arrays */
1844                 scsicmd->device->removable = 1;
1845
1846                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1847                 scsicmd->scsi_done(scsicmd);
1848
1849                 return 0;
1850         }
1851
1852         case READ_CAPACITY:
1853         {
1854                 u32 capacity;
1855                 char cp[8];
1856
1857                 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
1858                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
1859                         capacity = fsa_dev_ptr[cid].size - 1;
1860                 else
1861                         capacity = (u32)-1;
1862
1863                 cp[0] = (capacity >> 24) & 0xff;
1864                 cp[1] = (capacity >> 16) & 0xff;
1865                 cp[2] = (capacity >> 8) & 0xff;
1866                 cp[3] = (capacity >> 0) & 0xff;
1867                 cp[4] = 0;
1868                 cp[5] = 0;
1869                 cp[6] = 2;
1870                 cp[7] = 0;
1871                 aac_internal_transfer(scsicmd, cp, 0, sizeof(cp));
1872                 /* Do not cache partition table for arrays */
1873                 scsicmd->device->removable = 1;
1874
1875                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1876                 scsicmd->scsi_done(scsicmd);
1877
1878                 return 0;
1879         }
1880
1881         case MODE_SENSE:
1882         {
1883                 char mode_buf[4];
1884
1885                 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
1886                 mode_buf[0] = 3;        /* Mode data length */
1887                 mode_buf[1] = 0;        /* Medium type - default */
1888                 mode_buf[2] = 0;        /* Device-specific param, bit 8: 0/1 = write enabled/protected */
1889                 mode_buf[3] = 0;        /* Block descriptor length */
1890
1891                 aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
1892                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1893                 scsicmd->scsi_done(scsicmd);
1894
1895                 return 0;
1896         }
1897         case MODE_SENSE_10:
1898         {
1899                 char mode_buf[8];
1900
1901                 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
1902                 mode_buf[0] = 0;        /* Mode data length (MSB) */
1903                 mode_buf[1] = 6;        /* Mode data length (LSB) */
1904                 mode_buf[2] = 0;        /* Medium type - default */
1905                 mode_buf[3] = 0;        /* Device-specific param, bit 8: 0/1 = write enabled/protected */
1906                 mode_buf[4] = 0;        /* reserved */
1907                 mode_buf[5] = 0;        /* reserved */
1908                 mode_buf[6] = 0;        /* Block descriptor length (MSB) */
1909                 mode_buf[7] = 0;        /* Block descriptor length (LSB) */
1910                 aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
1911
1912                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1913                 scsicmd->scsi_done(scsicmd);
1914
1915                 return 0;
1916         }
1917         case REQUEST_SENSE:
1918                 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
1919                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
1920                 memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
1921                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1922                 scsicmd->scsi_done(scsicmd);
1923                 return 0;
1924
1925         case ALLOW_MEDIUM_REMOVAL:
1926                 dprintk((KERN_DEBUG "LOCK command.\n"));
1927                 if (scsicmd->cmnd[4])
1928                         fsa_dev_ptr[cid].locked = 1;
1929                 else
1930                         fsa_dev_ptr[cid].locked = 0;
1931
1932                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1933                 scsicmd->scsi_done(scsicmd);
1934                 return 0;
1935         /*
1936          *      These commands are all No-Ops
1937          */
1938         case TEST_UNIT_READY:
1939         case RESERVE:
1940         case RELEASE:
1941         case REZERO_UNIT:
1942         case REASSIGN_BLOCKS:
1943         case SEEK_10:
1944         case START_STOP:
1945                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1946                 scsicmd->scsi_done(scsicmd);
1947                 return 0;
1948         }
1949
1950         switch (scsicmd->cmnd[0])
1951         {
1952                 case READ_6:
1953                 case READ_10:
1954                 case READ_12:
1955                 case READ_16:
1956                         if (dev->in_reset)
1957                                 return -1;
1958                         /*
1959                          *      Hack to keep track of ordinal number of the device that
1960                          *      corresponds to a container. Needed to convert
1961                          *      containers to /dev/sd device names
1962                          */
1963
1964                         if (scsicmd->request->rq_disk)
1965                                 strlcpy(fsa_dev_ptr[cid].devname,
1966                                 scsicmd->request->rq_disk->disk_name,
1967                                 min(sizeof(fsa_dev_ptr[cid].devname),
1968                                 sizeof(scsicmd->request->rq_disk->disk_name) + 1));
1969
1970                         return aac_read(scsicmd);
1971
1972                 case WRITE_6:
1973                 case WRITE_10:
1974                 case WRITE_12:
1975                 case WRITE_16:
1976                         if (dev->in_reset)
1977                                 return -1;
1978                         return aac_write(scsicmd);
1979
1980                 case SYNCHRONIZE_CACHE:
1981                         /* Issue FIB to tell Firmware to flush it's cache */
1982                         return aac_synchronize(scsicmd);
1983
1984                 default:
1985                         /*
1986                          *      Unhandled commands
1987                          */
1988                         dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]));
1989                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1990                         set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1991                                 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
1992                                 ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
1993                         memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1994                           (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1995                             ? sizeof(scsicmd->sense_buffer)
1996                             : sizeof(dev->fsa_dev[cid].sense_data));
1997                         scsicmd->scsi_done(scsicmd);
1998                         return 0;
1999         }
2000 }
2001
2002 static int query_disk(struct aac_dev *dev, void __user *arg)
2003 {
2004         struct aac_query_disk qd;
2005         struct fsa_dev_info *fsa_dev_ptr;
2006
2007         fsa_dev_ptr = dev->fsa_dev;
2008         if (!fsa_dev_ptr)
2009                 return -EBUSY;
2010         if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
2011                 return -EFAULT;
2012         if (qd.cnum == -1)
2013                 qd.cnum = qd.id;
2014         else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
2015         {
2016                 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
2017                         return -EINVAL;
2018                 qd.instance = dev->scsi_host_ptr->host_no;
2019                 qd.bus = 0;
2020                 qd.id = CONTAINER_TO_ID(qd.cnum);
2021                 qd.lun = CONTAINER_TO_LUN(qd.cnum);
2022         }
2023         else return -EINVAL;
2024
2025         qd.valid = fsa_dev_ptr[qd.cnum].valid;
2026         qd.locked = fsa_dev_ptr[qd.cnum].locked;
2027         qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
2028
2029         if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
2030                 qd.unmapped = 1;
2031         else
2032                 qd.unmapped = 0;
2033
2034         strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
2035           min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
2036
2037         if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
2038                 return -EFAULT;
2039         return 0;
2040 }
2041
2042 static int force_delete_disk(struct aac_dev *dev, void __user *arg)
2043 {
2044         struct aac_delete_disk dd;
2045         struct fsa_dev_info *fsa_dev_ptr;
2046
2047         fsa_dev_ptr = dev->fsa_dev;
2048         if (!fsa_dev_ptr)
2049                 return -EBUSY;
2050
2051         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2052                 return -EFAULT;
2053
2054         if (dd.cnum >= dev->maximum_num_containers)
2055                 return -EINVAL;
2056         /*
2057          *      Mark this container as being deleted.
2058          */
2059         fsa_dev_ptr[dd.cnum].deleted = 1;
2060         /*
2061          *      Mark the container as no longer valid
2062          */
2063         fsa_dev_ptr[dd.cnum].valid = 0;
2064         return 0;
2065 }
2066
2067 static int delete_disk(struct aac_dev *dev, void __user *arg)
2068 {
2069         struct aac_delete_disk dd;
2070         struct fsa_dev_info *fsa_dev_ptr;
2071
2072         fsa_dev_ptr = dev->fsa_dev;
2073         if (!fsa_dev_ptr)
2074                 return -EBUSY;
2075
2076         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2077                 return -EFAULT;
2078
2079         if (dd.cnum >= dev->maximum_num_containers)
2080                 return -EINVAL;
2081         /*
2082          *      If the container is locked, it can not be deleted by the API.
2083          */
2084         if (fsa_dev_ptr[dd.cnum].locked)
2085                 return -EBUSY;
2086         else {
2087                 /*
2088                  *      Mark the container as no longer being valid.
2089                  */
2090                 fsa_dev_ptr[dd.cnum].valid = 0;
2091                 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
2092                 return 0;
2093         }
2094 }
2095
2096 int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
2097 {
2098         switch (cmd) {
2099         case FSACTL_QUERY_DISK:
2100                 return query_disk(dev, arg);
2101         case FSACTL_DELETE_DISK:
2102                 return delete_disk(dev, arg);
2103         case FSACTL_FORCE_DELETE_DISK:
2104                 return force_delete_disk(dev, arg);
2105         case FSACTL_GET_CONTAINERS:
2106                 return aac_get_containers(dev);
2107         default:
2108                 return -ENOTTY;
2109         }
2110 }
2111
2112 /**
2113  *
2114  * aac_srb_callback
2115  * @context: the context set in the fib - here it is scsi cmd
2116  * @fibptr: pointer to the fib
2117  *
2118  * Handles the completion of a scsi command to a non dasd device
2119  *
2120  */
2121
2122 static void aac_srb_callback(void *context, struct fib * fibptr)
2123 {
2124         struct aac_dev *dev;
2125         struct aac_srb_reply *srbreply;
2126         struct scsi_cmnd *scsicmd;
2127
2128         scsicmd = (struct scsi_cmnd *) context;
2129         scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
2130
2131         if (!aac_valid_context(scsicmd, fibptr))
2132                 return;
2133
2134         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2135
2136         BUG_ON(fibptr == NULL);
2137
2138         srbreply = (struct aac_srb_reply *) fib_data(fibptr);
2139
2140         scsicmd->sense_buffer[0] = '\0';  /* Initialize sense valid flag to false */
2141         /*
2142          *      Calculate resid for sg
2143          */
2144
2145         scsicmd->resid = scsicmd->request_bufflen -
2146                 le32_to_cpu(srbreply->data_xfer_length);
2147
2148         if(scsicmd->use_sg)
2149                 pci_unmap_sg(dev->pdev,
2150                         (struct scatterlist *)scsicmd->request_buffer,
2151                         scsicmd->use_sg,
2152                         scsicmd->sc_data_direction);
2153         else if(scsicmd->request_bufflen)
2154                 pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, scsicmd->request_bufflen,
2155                         scsicmd->sc_data_direction);
2156
2157         /*
2158          * First check the fib status
2159          */
2160
2161         if (le32_to_cpu(srbreply->status) != ST_OK){
2162                 int len;
2163                 printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
2164                 len = (le32_to_cpu(srbreply->sense_data_size) >
2165                                 sizeof(scsicmd->sense_buffer)) ?
2166                                 sizeof(scsicmd->sense_buffer) :
2167                                 le32_to_cpu(srbreply->sense_data_size);
2168                 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2169                 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2170         }
2171
2172         /*
2173          * Next check the srb status
2174          */
2175         switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
2176         case SRB_STATUS_ERROR_RECOVERY:
2177         case SRB_STATUS_PENDING:
2178         case SRB_STATUS_SUCCESS:
2179                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2180                 break;
2181         case SRB_STATUS_DATA_OVERRUN:
2182                 switch(scsicmd->cmnd[0]){
2183                 case  READ_6:
2184                 case  WRITE_6:
2185                 case  READ_10:
2186                 case  WRITE_10:
2187                 case  READ_12:
2188                 case  WRITE_12:
2189                 case  READ_16:
2190                 case  WRITE_16:
2191                         if(le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow ) {
2192                                 printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
2193                         } else {
2194                                 printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
2195                         }
2196                         scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2197                         break;
2198                 case INQUIRY: {
2199                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2200                         break;
2201                 }
2202                 default:
2203                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2204                         break;
2205                 }
2206                 break;
2207         case SRB_STATUS_ABORTED:
2208                 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
2209                 break;
2210         case SRB_STATUS_ABORT_FAILED:
2211                 // Not sure about this one - but assuming the hba was trying to abort for some reason
2212                 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
2213                 break;
2214         case SRB_STATUS_PARITY_ERROR:
2215                 scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
2216                 break;
2217         case SRB_STATUS_NO_DEVICE:
2218         case SRB_STATUS_INVALID_PATH_ID:
2219         case SRB_STATUS_INVALID_TARGET_ID:
2220         case SRB_STATUS_INVALID_LUN:
2221         case SRB_STATUS_SELECTION_TIMEOUT:
2222                 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
2223                 break;
2224
2225         case SRB_STATUS_COMMAND_TIMEOUT:
2226         case SRB_STATUS_TIMEOUT:
2227                 scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
2228                 break;
2229
2230         case SRB_STATUS_BUSY:
2231                 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
2232                 break;
2233
2234         case SRB_STATUS_BUS_RESET:
2235                 scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
2236                 break;
2237
2238         case SRB_STATUS_MESSAGE_REJECTED:
2239                 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
2240                 break;
2241         case SRB_STATUS_REQUEST_FLUSHED:
2242         case SRB_STATUS_ERROR:
2243         case SRB_STATUS_INVALID_REQUEST:
2244         case SRB_STATUS_REQUEST_SENSE_FAILED:
2245         case SRB_STATUS_NO_HBA:
2246         case SRB_STATUS_UNEXPECTED_BUS_FREE:
2247         case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
2248         case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
2249         case SRB_STATUS_DELAYED_RETRY:
2250         case SRB_STATUS_BAD_FUNCTION:
2251         case SRB_STATUS_NOT_STARTED:
2252         case SRB_STATUS_NOT_IN_USE:
2253         case SRB_STATUS_FORCE_ABORT:
2254         case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
2255         default:
2256 #ifdef AAC_DETAILED_STATUS_INFO
2257                 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
2258                         le32_to_cpu(srbreply->srb_status) & 0x3F,
2259                         aac_get_status_string(
2260                                 le32_to_cpu(srbreply->srb_status) & 0x3F),
2261                         scsicmd->cmnd[0],
2262                         le32_to_cpu(srbreply->scsi_status));
2263 #endif
2264                 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2265                 break;
2266         }
2267         if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){  // Check Condition
2268                 int len;
2269                 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
2270                 len = (le32_to_cpu(srbreply->sense_data_size) >
2271                                 sizeof(scsicmd->sense_buffer)) ?
2272                                 sizeof(scsicmd->sense_buffer) :
2273                                 le32_to_cpu(srbreply->sense_data_size);
2274 #ifdef AAC_DETAILED_STATUS_INFO
2275                 printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
2276                                         le32_to_cpu(srbreply->status), len);
2277 #endif
2278                 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2279
2280         }
2281         /*
2282          * OR in the scsi status (already shifted up a bit)
2283          */
2284         scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
2285
2286         aac_fib_complete(fibptr);
2287         aac_fib_free(fibptr);
2288         scsicmd->scsi_done(scsicmd);
2289 }
2290
2291 /**
2292  *
2293  * aac_send_scb_fib
2294  * @scsicmd: the scsi command block
2295  *
2296  * This routine will form a FIB and fill in the aac_srb from the
2297  * scsicmd passed in.
2298  */
2299
2300 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
2301 {
2302         struct fib* cmd_fibcontext;
2303         struct aac_dev* dev;
2304         int status;
2305
2306         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2307         if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
2308                         scsicmd->device->lun > 7) {
2309                 scsicmd->result = DID_NO_CONNECT << 16;
2310                 scsicmd->scsi_done(scsicmd);
2311                 return 0;
2312         }
2313
2314         /*
2315          *      Allocate and initialize a Fib then setup a BlockWrite command
2316          */
2317         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
2318                 return -1;
2319         }
2320         status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
2321
2322         /*
2323          *      Check that the command queued to the controller
2324          */
2325         if (status == -EINPROGRESS) {
2326                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2327                 return 0;
2328         }
2329
2330         printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
2331         aac_fib_complete(cmd_fibcontext);
2332         aac_fib_free(cmd_fibcontext);
2333
2334         return -1;
2335 }
2336
2337 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
2338 {
2339         struct aac_dev *dev;
2340         unsigned long byte_count = 0;
2341
2342         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2343         // Get rid of old data
2344         psg->count = 0;
2345         psg->sg[0].addr = 0;
2346         psg->sg[0].count = 0;
2347         if (scsicmd->use_sg) {
2348                 struct scatterlist *sg;
2349                 int i;
2350                 int sg_count;
2351                 sg = (struct scatterlist *) scsicmd->request_buffer;
2352
2353                 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
2354                         scsicmd->sc_data_direction);
2355                 psg->count = cpu_to_le32(sg_count);
2356
2357                 for (i = 0; i < sg_count; i++) {
2358                         psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
2359                         psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
2360                         byte_count += sg_dma_len(sg);
2361                         sg++;
2362                 }
2363                 /* hba wants the size to be exact */
2364                 if(byte_count > scsicmd->request_bufflen){
2365                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2366                                 (byte_count - scsicmd->request_bufflen);
2367                         psg->sg[i-1].count = cpu_to_le32(temp);
2368                         byte_count = scsicmd->request_bufflen;
2369                 }
2370                 /* Check for command underflow */
2371                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2372                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2373                                         byte_count, scsicmd->underflow);
2374                 }
2375         }
2376         else if(scsicmd->request_bufflen) {
2377                 u32 addr;
2378                 scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
2379                                 scsicmd->request_buffer,
2380                                 scsicmd->request_bufflen,
2381                                 scsicmd->sc_data_direction);
2382                 addr = scsicmd->SCp.dma_handle;
2383                 psg->count = cpu_to_le32(1);
2384                 psg->sg[0].addr = cpu_to_le32(addr);
2385                 psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
2386                 byte_count = scsicmd->request_bufflen;
2387         }
2388         return byte_count;
2389 }
2390
2391
2392 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg)
2393 {
2394         struct aac_dev *dev;
2395         unsigned long byte_count = 0;
2396         u64 addr;
2397
2398         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2399         // Get rid of old data
2400         psg->count = 0;
2401         psg->sg[0].addr[0] = 0;
2402         psg->sg[0].addr[1] = 0;
2403         psg->sg[0].count = 0;
2404         if (scsicmd->use_sg) {
2405                 struct scatterlist *sg;
2406                 int i;
2407                 int sg_count;
2408                 sg = (struct scatterlist *) scsicmd->request_buffer;
2409
2410                 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
2411                         scsicmd->sc_data_direction);
2412
2413                 for (i = 0; i < sg_count; i++) {
2414                         int count = sg_dma_len(sg);
2415                         addr = sg_dma_address(sg);
2416                         psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
2417                         psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
2418                         psg->sg[i].count = cpu_to_le32(count);
2419                         byte_count += count;
2420                         sg++;
2421                 }
2422                 psg->count = cpu_to_le32(sg_count);
2423                 /* hba wants the size to be exact */
2424                 if(byte_count > scsicmd->request_bufflen){
2425                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2426                                 (byte_count - scsicmd->request_bufflen);
2427                         psg->sg[i-1].count = cpu_to_le32(temp);
2428                         byte_count = scsicmd->request_bufflen;
2429                 }
2430                 /* Check for command underflow */
2431                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2432                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2433                                         byte_count, scsicmd->underflow);
2434                 }
2435         }
2436         else if(scsicmd->request_bufflen) {
2437                 scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
2438                                 scsicmd->request_buffer,
2439                                 scsicmd->request_bufflen,
2440                                 scsicmd->sc_data_direction);
2441                 addr = scsicmd->SCp.dma_handle;
2442                 psg->count = cpu_to_le32(1);
2443                 psg->sg[0].addr[0] = cpu_to_le32(addr & 0xffffffff);
2444                 psg->sg[0].addr[1] = cpu_to_le32(addr >> 32);
2445                 psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
2446                 byte_count = scsicmd->request_bufflen;
2447         }
2448         return byte_count;
2449 }
2450
2451 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg)
2452 {
2453         struct Scsi_Host *host = scsicmd->device->host;
2454         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
2455         unsigned long byte_count = 0;
2456
2457         // Get rid of old data
2458         psg->count = 0;
2459         psg->sg[0].next = 0;
2460         psg->sg[0].prev = 0;
2461         psg->sg[0].addr[0] = 0;
2462         psg->sg[0].addr[1] = 0;
2463         psg->sg[0].count = 0;
2464         psg->sg[0].flags = 0;
2465         if (scsicmd->use_sg) {
2466                 struct scatterlist *sg;
2467                 int i;
2468                 int sg_count;
2469                 sg = (struct scatterlist *) scsicmd->request_buffer;
2470
2471                 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
2472                         scsicmd->sc_data_direction);
2473
2474                 for (i = 0; i < sg_count; i++) {
2475                         int count = sg_dma_len(sg);
2476                         u64 addr = sg_dma_address(sg);
2477                         psg->sg[i].next = 0;
2478                         psg->sg[i].prev = 0;
2479                         psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
2480                         psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2481                         psg->sg[i].count = cpu_to_le32(count);
2482                         psg->sg[i].flags = 0;
2483                         byte_count += count;
2484                         sg++;
2485                 }
2486                 psg->count = cpu_to_le32(sg_count);
2487                 /* hba wants the size to be exact */
2488                 if(byte_count > scsicmd->request_bufflen){
2489                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2490                                 (byte_count - scsicmd->request_bufflen);
2491                         psg->sg[i-1].count = cpu_to_le32(temp);
2492                         byte_count = scsicmd->request_bufflen;
2493                 }
2494                 /* Check for command underflow */
2495                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2496                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2497                                         byte_count, scsicmd->underflow);
2498                 }
2499         }
2500         else if(scsicmd->request_bufflen) {
2501                 int count;
2502                 u64 addr;
2503                 scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
2504                                 scsicmd->request_buffer,
2505                                 scsicmd->request_bufflen,
2506                                 scsicmd->sc_data_direction);
2507                 addr = scsicmd->SCp.dma_handle;
2508                 count = scsicmd->request_bufflen;
2509                 psg->count = cpu_to_le32(1);
2510                 psg->sg[0].next = 0;
2511                 psg->sg[0].prev = 0;
2512                 psg->sg[0].addr[1] = cpu_to_le32((u32)(addr>>32));
2513                 psg->sg[0].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2514                 psg->sg[0].count = cpu_to_le32(count);
2515                 psg->sg[0].flags = 0;
2516                 byte_count = scsicmd->request_bufflen;
2517         }
2518         return byte_count;
2519 }
2520
2521 #ifdef AAC_DETAILED_STATUS_INFO
2522
2523 struct aac_srb_status_info {
2524         u32     status;
2525         char    *str;
2526 };
2527
2528
2529 static struct aac_srb_status_info srb_status_info[] = {
2530         { SRB_STATUS_PENDING,           "Pending Status"},
2531         { SRB_STATUS_SUCCESS,           "Success"},
2532         { SRB_STATUS_ABORTED,           "Aborted Command"},
2533         { SRB_STATUS_ABORT_FAILED,      "Abort Failed"},
2534         { SRB_STATUS_ERROR,             "Error Event"},
2535         { SRB_STATUS_BUSY,              "Device Busy"},
2536         { SRB_STATUS_INVALID_REQUEST,   "Invalid Request"},
2537         { SRB_STATUS_INVALID_PATH_ID,   "Invalid Path ID"},
2538         { SRB_STATUS_NO_DEVICE,         "No Device"},
2539         { SRB_STATUS_TIMEOUT,           "Timeout"},
2540         { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
2541         { SRB_STATUS_COMMAND_TIMEOUT,   "Command Timeout"},
2542         { SRB_STATUS_MESSAGE_REJECTED,  "Message Rejected"},
2543         { SRB_STATUS_BUS_RESET,         "Bus Reset"},
2544         { SRB_STATUS_PARITY_ERROR,      "Parity Error"},
2545         { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
2546         { SRB_STATUS_NO_HBA,            "No HBA"},
2547         { SRB_STATUS_DATA_OVERRUN,      "Data Overrun/Data Underrun"},
2548         { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
2549         { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
2550         { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
2551         { SRB_STATUS_REQUEST_FLUSHED,   "Request Flushed"},
2552         { SRB_STATUS_DELAYED_RETRY,     "Delayed Retry"},
2553         { SRB_STATUS_INVALID_LUN,       "Invalid LUN"},
2554         { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
2555         { SRB_STATUS_BAD_FUNCTION,      "Bad Function"},
2556         { SRB_STATUS_ERROR_RECOVERY,    "Error Recovery"},
2557         { SRB_STATUS_NOT_STARTED,       "Not Started"},
2558         { SRB_STATUS_NOT_IN_USE,        "Not In Use"},
2559         { SRB_STATUS_FORCE_ABORT,       "Force Abort"},
2560         { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
2561         { 0xff,                         "Unknown Error"}
2562 };
2563
2564 char *aac_get_status_string(u32 status)
2565 {
2566         int i;
2567
2568         for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
2569                 if (srb_status_info[i].status == status)
2570                         return srb_status_info[i].str;
2571
2572         return "Bad Status Code";
2573 }
2574
2575 #endif