drivers/scsi/aacraid/aachba.c

   1 /*
   2  *      Adaptec AAC series RAID controller driver
   3  *      (c) Copyright 2001 Red Hat Inc.
   4  *
   5  * based on the old aacraid driver that is..
   6  * Adaptec aacraid device driver for Linux.
   7  *
   8  * Copyright (c) 2000-2010 Adaptec, Inc.
   9  *               2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2, or (at your option)
  14  * any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; see the file COPYING.  If not, write to
  23  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  24  *
  25  */
  26
  27 #include <linux/kernel.h>
  28 #include <linux/init.h>
  29 #include <linux/types.h>
  30 #include <linux/pci.h>
  31 #include <linux/spinlock.h>
  32 #include <linux/slab.h>
  33 #include <linux/completion.h>
  34 #include <linux/blkdev.h>
  35 #include <asm/uaccess.h>
  36 #include <linux/highmem.h> /* For flush_kernel_dcache_page */
  37 #include <linux/module.h>
  38
  39 #include <scsi/scsi.h>
  40 #include <scsi/scsi_cmnd.h>
  41 #include <scsi/scsi_device.h>
  42 #include <scsi/scsi_host.h>
  43
  44 #include "aacraid.h"
  45
  46 /* values for inqd_pdt: Peripheral device type in plain English */
  47 #define INQD_PDT_DA     0x00    /* Direct-access (DISK) device */
  48 #define INQD_PDT_PROC   0x03    /* Processor device */
  49 #define INQD_PDT_CHNGR  0x08    /* Changer (jukebox, scsi2) */
  50 #define INQD_PDT_COMM   0x09    /* Communication device (scsi2) */
  51 #define INQD_PDT_NOLUN2 0x1f    /* Unknown Device (scsi2) */
  52 #define INQD_PDT_NOLUN  0x7f    /* Logical Unit Not Present */
  53
  54 #define INQD_PDT_DMASK  0x1F    /* Peripheral Device Type Mask */
  55 #define INQD_PDT_QMASK  0xE0    /* Peripheral Device Qualifer Mask */
  56
  57 /*
  58  *      Sense codes
  59  */
  60
  61 #define SENCODE_NO_SENSE                        0x00
  62 #define SENCODE_END_OF_DATA                     0x00
  63 #define SENCODE_BECOMING_READY                  0x04
  64 #define SENCODE_INIT_CMD_REQUIRED               0x04
  65 #define SENCODE_PARAM_LIST_LENGTH_ERROR         0x1A
  66 #define SENCODE_INVALID_COMMAND                 0x20
  67 #define SENCODE_LBA_OUT_OF_RANGE                0x21
  68 #define SENCODE_INVALID_CDB_FIELD               0x24
  69 #define SENCODE_LUN_NOT_SUPPORTED               0x25
  70 #define SENCODE_INVALID_PARAM_FIELD             0x26
  71 #define SENCODE_PARAM_NOT_SUPPORTED             0x26
  72 #define SENCODE_PARAM_VALUE_INVALID             0x26
  73 #define SENCODE_RESET_OCCURRED                  0x29
  74 #define SENCODE_LUN_NOT_SELF_CONFIGURED_YET     0x3E
  75 #define SENCODE_INQUIRY_DATA_CHANGED            0x3F
  76 #define SENCODE_SAVING_PARAMS_NOT_SUPPORTED     0x39
  77 #define SENCODE_DIAGNOSTIC_FAILURE              0x40
  78 #define SENCODE_INTERNAL_TARGET_FAILURE         0x44
  79 #define SENCODE_INVALID_MESSAGE_ERROR           0x49
  80 #define SENCODE_LUN_FAILED_SELF_CONFIG          0x4c
  81 #define SENCODE_OVERLAPPED_COMMAND              0x4E
  82
  83 /*
  84  *      Additional sense codes
  85  */
  86
  87 #define ASENCODE_NO_SENSE                       0x00
  88 #define ASENCODE_END_OF_DATA                    0x05
  89 #define ASENCODE_BECOMING_READY                 0x01
  90 #define ASENCODE_INIT_CMD_REQUIRED              0x02
  91 #define ASENCODE_PARAM_LIST_LENGTH_ERROR        0x00
  92 #define ASENCODE_INVALID_COMMAND                0x00
  93 #define ASENCODE_LBA_OUT_OF_RANGE               0x00
  94 #define ASENCODE_INVALID_CDB_FIELD              0x00
  95 #define ASENCODE_LUN_NOT_SUPPORTED              0x00
  96 #define ASENCODE_INVALID_PARAM_FIELD            0x00
  97 #define ASENCODE_PARAM_NOT_SUPPORTED            0x01
  98 #define ASENCODE_PARAM_VALUE_INVALID            0x02
  99 #define ASENCODE_RESET_OCCURRED                 0x00
 100 #define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET    0x00
 101 #define ASENCODE_INQUIRY_DATA_CHANGED           0x03
 102 #define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED    0x00
 103 #define ASENCODE_DIAGNOSTIC_FAILURE             0x80
 104 #define ASENCODE_INTERNAL_TARGET_FAILURE        0x00
 105 #define ASENCODE_INVALID_MESSAGE_ERROR          0x00
 106 #define ASENCODE_LUN_FAILED_SELF_CONFIG         0x00
 107 #define ASENCODE_OVERLAPPED_COMMAND             0x00
 108
 109 #define BYTE0(x) (unsigned char)(x)
 110 #define BYTE1(x) (unsigned char)((x) >> 8)
 111 #define BYTE2(x) (unsigned char)((x) >> 16)
 112 #define BYTE3(x) (unsigned char)((x) >> 24)
 113
 114 /*------------------------------------------------------------------------------
 115  *              S T R U C T S / T Y P E D E F S
 116  *----------------------------------------------------------------------------*/
 117 /* SCSI inquiry data */
 118 struct inquiry_data {
 119         u8 inqd_pdt;    /* Peripheral qualifier | Peripheral Device Type */
 120         u8 inqd_dtq;    /* RMB | Device Type Qualifier */
 121         u8 inqd_ver;    /* ISO version | ECMA version | ANSI-approved version */
 122         u8 inqd_rdf;    /* AENC | TrmIOP | Response data format */
 123         u8 inqd_len;    /* Additional length (n-4) */
 124         u8 inqd_pad1[2];/* Reserved - must be zero */
 125         u8 inqd_pad2;   /* RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
 126         u8 inqd_vid[8]; /* Vendor ID */
 127         u8 inqd_pid[16];/* Product ID */
 128         u8 inqd_prl[4]; /* Product Revision Level */
 129 };
 130
 131 /*
 132  *              M O D U L E   G L O B A L S
 133  */
 134
 135 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap);
 136 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg);
 137 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg);
 138 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
 139 #ifdef AAC_DETAILED_STATUS_INFO
 140 static char *aac_get_status_string(u32 status);
 141 #endif
 142
 143 /*
 144  *      Non dasd selection is handled entirely in aachba now
 145  */
 146
 147 static int nondasd = -1;
 148 static int aac_cache = 2;       /* WCE=0 to avoid performance problems */
 149 static int dacmode = -1;
 150 int aac_msi;
 151 int aac_commit = -1;
 152 int startup_timeout = 180;
 153 int aif_timeout = 120;
 154
 155 module_param(nondasd, int, S_IRUGO|S_IWUSR);
 156 MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices."
 157         " 0=off, 1=on");
 158 module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR);
 159 MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n"
 160         "\tbit 0 - Disable FUA in WRITE SCSI commands\n"
 161         "\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n"
 162         "\tbit 2 - Disable only if Battery is protecting Cache");
 163 module_param(dacmode, int, S_IRUGO|S_IWUSR);
 164 MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC."
 165         " 0=off, 1=on");
 166 module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
 167 MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the"
 168         " adapter for foreign arrays.\n"
 169         "This is typically needed in systems that do not have a BIOS."
 170         " 0=off, 1=on");
 171 module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR);
 172 MODULE_PARM_DESC(msi, "IRQ handling."
 173         " 0=PIC(default), 1=MSI, 2=MSI-X(unsupported, uses MSI)");
 174 module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
 175 MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for"
 176         " adapter to have it's kernel up and\n"
 177         "running. This is typically adjusted for large systems that do not"
 178         " have a BIOS.");
 179 module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
 180 MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for"
 181         " applications to pick up AIFs before\n"
 182         "deregistering them. This is typically adjusted for heavily burdened"
 183         " systems.");
 184
 185 int numacb = -1;
 186 module_param(numacb, int, S_IRUGO|S_IWUSR);
 187 MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control"
 188         " blocks (FIB) allocated. Valid values are 512 and down. Default is"
 189         " to use suggestion from Firmware.");
 190
 191 int acbsize = -1;
 192 module_param(acbsize, int, S_IRUGO|S_IWUSR);
 193 MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB)"
 194         " size. Valid values are 512, 2048, 4096 and 8192. Default is to use"
 195         " suggestion from Firmware.");
 196
 197 int update_interval = 30 * 60;
 198 module_param(update_interval, int, S_IRUGO|S_IWUSR);
 199 MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync"
 200         " updates issued to adapter.");
 201
 202 int check_interval = 24 * 60 * 60;
 203 module_param(check_interval, int, S_IRUGO|S_IWUSR);
 204 MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
 205         " checks.");
 206
 207 int aac_check_reset = 1;
 208 module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
 209 MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the"
 210         " adapter. a value of -1 forces the reset to adapters programmed to"
 211         " ignore it.");
 212
 213 int expose_physicals = -1;
 214 module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
 215 MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays."
 216         " -1=protect 0=off, 1=on");
 217
 218 int aac_reset_devices;
 219 module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
 220 MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
 221
 222 int aac_wwn = 1;
 223 module_param_named(wwn, aac_wwn, int, S_IRUGO|S_IWUSR);
 224 MODULE_PARM_DESC(wwn, "Select a WWN type for the arrays:\n"
 225         "\t0 - Disable\n"
 226         "\t1 - Array Meta Data Signature (default)\n"
 227         "\t2 - Adapter Serial Number");
 228
 229
 230 static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
 231                 struct fib *fibptr) {
 232         struct scsi_device *device;
 233
 234         if (unlikely(!scsicmd || !scsicmd->scsi_done)) {
 235                 dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"));
 236                 aac_fib_complete(fibptr);
 237                 aac_fib_free(fibptr);
 238                 return 0;
 239         }
 240         scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
 241         device = scsicmd->device;
 242         if (unlikely(!device || !scsi_device_online(device))) {
 243                 dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
 244                 aac_fib_complete(fibptr);
 245                 aac_fib_free(fibptr);
 246                 return 0;
 247         }
 248         return 1;
 249 }
 250
 251 /**
 252  *      aac_get_config_status   -       check the adapter configuration
 253  *      @common: adapter to query
 254  *
 255  *      Query config status, and commit the configuration if needed.
 256  */
 257 int aac_get_config_status(struct aac_dev *dev, int commit_flag)
 258 {
 259         int status = 0;
 260         struct fib * fibptr;
 261
 262         if (!(fibptr = aac_fib_alloc(dev)))
 263                 return -ENOMEM;
 264
 265         aac_fib_init(fibptr);
 266         {
 267                 struct aac_get_config_status *dinfo;
 268                 dinfo = (struct aac_get_config_status *) fib_data(fibptr);
 269
 270                 dinfo->command = cpu_to_le32(VM_ContainerConfig);
 271                 dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
 272                 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
 273         }
 274
 275         status = aac_fib_send(ContainerCommand,
 276                             fibptr,
 277                             sizeof (struct aac_get_config_status),
 278                             FsaNormal,
 279                             1, 1,
 280                             NULL, NULL);
 281         if (status < 0) {
 282                 printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
 283         } else {
 284                 struct aac_get_config_status_resp *reply
 285                   = (struct aac_get_config_status_resp *) fib_data(fibptr);
 286                 dprintk((KERN_WARNING
 287                   "aac_get_config_status: response=%d status=%d action=%d\n",
 288                   le32_to_cpu(reply->response),
 289                   le32_to_cpu(reply->status),
 290                   le32_to_cpu(reply->data.action)));
 291                 if ((le32_to_cpu(reply->response) != ST_OK) ||
 292                      (le32_to_cpu(reply->status) != CT_OK) ||
 293                      (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
 294                         printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
 295                         status = -EINVAL;
 296                 }
 297         }
 298         /* Do not set XferState to zero unless receives a response from F/W */
 299         if (status >= 0)
 300                 aac_fib_complete(fibptr);
 301
 302         /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
 303         if (status >= 0) {
 304                 if ((aac_commit == 1) || commit_flag) {
 305                         struct aac_commit_config * dinfo;
 306                         aac_fib_init(fibptr);
 307                         dinfo = (struct aac_commit_config *) fib_data(fibptr);
 308
 309                         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 310                         dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
 311
 312                         status = aac_fib_send(ContainerCommand,
 313                                     fibptr,
 314                                     sizeof (struct aac_commit_config),
 315                                     FsaNormal,
 316                                     1, 1,
 317                                     NULL, NULL);
 318                         /* Do not set XferState to zero unless
 319                          * receives a response from F/W */
 320                         if (status >= 0)
 321                                 aac_fib_complete(fibptr);
 322                 } else if (aac_commit == 0) {
 323                         printk(KERN_WARNING
 324                           "aac_get_config_status: Foreign device configurations are being ignored\n");
 325                 }
 326         }
 327         /* FIB should be freed only after getting the response from the F/W */
 328         if (status != -ERESTARTSYS)
 329                 aac_fib_free(fibptr);
 330         return status;
 331 }
 332
 333 static void aac_expose_phy_device(struct scsi_cmnd *scsicmd)
 334 {
 335         char inq_data;
 336         scsi_sg_copy_to_buffer(scsicmd,  &inq_data, sizeof(inq_data));
 337         if ((inq_data & 0x20) && (inq_data & 0x1f) == TYPE_DISK) {
 338                 inq_data &= 0xdf;
 339                 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
 340         }
 341 }
 342
 343 /**
 344  *      aac_get_containers      -       list containers
 345  *      @common: adapter to probe
 346  *
 347  *      Make a list of all containers on this controller
 348  */
 349 int aac_get_containers(struct aac_dev *dev)
 350 {
 351         struct fsa_dev_info *fsa_dev_ptr;
 352         u32 index;
 353         int status = 0;
 354         struct fib * fibptr;
 355         struct aac_get_container_count *dinfo;
 356         struct aac_get_container_count_resp *dresp;
 357         int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 358
 359         if (!(fibptr = aac_fib_alloc(dev)))
 360                 return -ENOMEM;
 361
 362         aac_fib_init(fibptr);
 363         dinfo = (struct aac_get_container_count *) fib_data(fibptr);
 364         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 365         dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
 366
 367         status = aac_fib_send(ContainerCommand,
 368                     fibptr,
 369                     sizeof (struct aac_get_container_count),
 370                     FsaNormal,
 371                     1, 1,
 372                     NULL, NULL);
 373         if (status >= 0) {
 374                 dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
 375                 maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
 376                 aac_fib_complete(fibptr);
 377         }
 378         /* FIB should be freed only after getting the response from the F/W */
 379         if (status != -ERESTARTSYS)
 380                 aac_fib_free(fibptr);
 381
 382         if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
 383                 maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 384         fsa_dev_ptr = kzalloc(sizeof(*fsa_dev_ptr) * maximum_num_containers,
 385                         GFP_KERNEL);
 386         if (!fsa_dev_ptr)
 387                 return -ENOMEM;
 388
 389         dev->fsa_dev = fsa_dev_ptr;
 390         dev->maximum_num_containers = maximum_num_containers;
 391
 392         for (index = 0; index < dev->maximum_num_containers; ) {
 393                 fsa_dev_ptr[index].devname[0] = '\0';
 394
 395                 status = aac_probe_container(dev, index);
 396
 397                 if (status < 0) {
 398                         printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
 399                         break;
 400                 }
 401
 402                 /*
 403                  *      If there are no more containers, then stop asking.
 404                  */
 405                 if (++index >= status)
 406                         break;
 407         }
 408         return status;
 409 }
 410
 411 static void get_container_name_callback(void *context, struct fib * fibptr)
 412 {
 413         struct aac_get_name_resp * get_name_reply;
 414         struct scsi_cmnd * scsicmd;
 415
 416         scsicmd = (struct scsi_cmnd *) context;
 417
 418         if (!aac_valid_context(scsicmd, fibptr))
 419                 return;
 420
 421         dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
 422         BUG_ON(fibptr == NULL);
 423
 424         get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
 425         /* Failure is irrelevant, using default value instead */
 426         if ((le32_to_cpu(get_name_reply->status) == CT_OK)
 427          && (get_name_reply->data[0] != '\0')) {
 428                 char *sp = get_name_reply->data;
 429                 sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0';
 430                 while (*sp == ' ')
 431                         ++sp;
 432                 if (*sp) {
 433                         struct inquiry_data inq;
 434                         char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
 435                         int count = sizeof(d);
 436                         char *dp = d;
 437                         do {
 438                                 *dp++ = (*sp) ? *sp++ : ' ';
 439                         } while (--count > 0);
 440
 441                         scsi_sg_copy_to_buffer(scsicmd, &inq, sizeof(inq));
 442                         memcpy(inq.inqd_pid, d, sizeof(d));
 443                         scsi_sg_copy_from_buffer(scsicmd, &inq, sizeof(inq));
 444                 }
 445         }
 446
 447         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 448
 449         aac_fib_complete(fibptr);
 450         aac_fib_free(fibptr);
 451         scsicmd->scsi_done(scsicmd);
 452 }
 453
 454 /**
 455  *      aac_get_container_name  -       get container name, none blocking.
 456  */
 457 static int aac_get_container_name(struct scsi_cmnd * scsicmd)
 458 {
 459         int status;
 460         struct aac_get_name *dinfo;
 461         struct fib * cmd_fibcontext;
 462         struct aac_dev * dev;
 463
 464         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 465
 466         if (!(cmd_fibcontext = aac_fib_alloc(dev)))
 467                 return -ENOMEM;
 468
 469         aac_fib_init(cmd_fibcontext);
 470         dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
 471
 472         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 473         dinfo->type = cpu_to_le32(CT_READ_NAME);
 474         dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
 475         dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));
 476
 477         status = aac_fib_send(ContainerCommand,
 478                   cmd_fibcontext,
 479                   sizeof (struct aac_get_name),
 480                   FsaNormal,
 481                   0, 1,
 482                   (fib_callback)get_container_name_callback,
 483                   (void *) scsicmd);
 484
 485         /*
 486          *      Check that the command queued to the controller
 487          */
 488         if (status == -EINPROGRESS) {
 489                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 490                 return 0;
 491         }
 492
 493         printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
 494         aac_fib_complete(cmd_fibcontext);
 495         aac_fib_free(cmd_fibcontext);
 496         return -1;
 497 }
 498
 499 static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
 500 {
 501         struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 502
 503         if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1))
 504                 return aac_scsi_cmd(scsicmd);
 505
 506         scsicmd->result = DID_NO_CONNECT << 16;
 507         scsicmd->scsi_done(scsicmd);
 508         return 0;
 509 }
 510
 511 static void _aac_probe_container2(void * context, struct fib * fibptr)
 512 {
 513         struct fsa_dev_info *fsa_dev_ptr;
 514         int (*callback)(struct scsi_cmnd *);
 515         struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context;
 516
 517
 518         if (!aac_valid_context(scsicmd, fibptr))
 519                 return;
 520
 521         scsicmd->SCp.Status = 0;
 522         fsa_dev_ptr = fibptr->dev->fsa_dev;
 523         if (fsa_dev_ptr) {
 524                 struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
 525                 fsa_dev_ptr += scmd_id(scsicmd);
 526
 527                 if ((le32_to_cpu(dresp->status) == ST_OK) &&
 528                     (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
 529                     (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
 530                         fsa_dev_ptr->valid = 1;
 531                         /* sense_key holds the current state of the spin-up */
 532                         if (dresp->mnt[0].state & cpu_to_le32(FSCS_NOT_READY))
 533                                 fsa_dev_ptr->sense_data.sense_key = NOT_READY;
 534                         else if (fsa_dev_ptr->sense_data.sense_key == NOT_READY)
 535                                 fsa_dev_ptr->sense_data.sense_key = NO_SENSE;
 536                         fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
 537                         fsa_dev_ptr->size
 538                           = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
 539                             (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
 540                         fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0);
 541                 }
 542                 if ((fsa_dev_ptr->valid & 1) == 0)
 543                         fsa_dev_ptr->valid = 0;
 544                 scsicmd->SCp.Status = le32_to_cpu(dresp->count);
 545         }
 546         aac_fib_complete(fibptr);
 547         aac_fib_free(fibptr);
 548         callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr);
 549         scsicmd->SCp.ptr = NULL;
 550         (*callback)(scsicmd);
 551         return;
 552 }
 553
 554 static void _aac_probe_container1(void * context, struct fib * fibptr)
 555 {
 556         struct scsi_cmnd * scsicmd;
 557         struct aac_mount * dresp;
 558         struct aac_query_mount *dinfo;
 559         int status;
 560
 561         dresp = (struct aac_mount *) fib_data(fibptr);
 562         dresp->mnt[0].capacityhigh = 0;
 563         if ((le32_to_cpu(dresp->status) != ST_OK) ||
 564             (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
 565                 _aac_probe_container2(context, fibptr);
 566                 return;
 567         }
 568         scsicmd = (struct scsi_cmnd *) context;
 569
 570         if (!aac_valid_context(scsicmd, fibptr))
 571                 return;
 572
 573         aac_fib_init(fibptr);
 574
 575         dinfo = (struct aac_query_mount *)fib_data(fibptr);
 576
 577         dinfo->command = cpu_to_le32(VM_NameServe64);
 578         dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 579         dinfo->type = cpu_to_le32(FT_FILESYS);
 580
 581         status = aac_fib_send(ContainerCommand,
 582                           fibptr,
 583                           sizeof(struct aac_query_mount),
 584                           FsaNormal,
 585                           0, 1,
 586                           _aac_probe_container2,
 587                           (void *) scsicmd);
 588         /*
 589          *      Check that the command queued to the controller
 590          */
 591         if (status == -EINPROGRESS)
 592                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 593         else if (status < 0) {
 594                 /* Inherit results from VM_NameServe, if any */
 595                 dresp->status = cpu_to_le32(ST_OK);
 596                 _aac_probe_container2(context, fibptr);
 597         }
 598 }
 599
 600 static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
 601 {
 602         struct fib * fibptr;
 603         int status = -ENOMEM;
 604
 605         if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
 606                 struct aac_query_mount *dinfo;
 607
 608                 aac_fib_init(fibptr);
 609
 610                 dinfo = (struct aac_query_mount *)fib_data(fibptr);
 611
 612                 dinfo->command = cpu_to_le32(VM_NameServe);
 613                 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 614                 dinfo->type = cpu_to_le32(FT_FILESYS);
 615                 scsicmd->SCp.ptr = (char *)callback;
 616
 617                 status = aac_fib_send(ContainerCommand,
 618                           fibptr,
 619                           sizeof(struct aac_query_mount),
 620                           FsaNormal,
 621                           0, 1,
 622                           _aac_probe_container1,
 623                           (void *) scsicmd);
 624                 /*
 625                  *      Check that the command queued to the controller
 626                  */
 627                 if (status == -EINPROGRESS) {
 628                         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 629                         return 0;
 630                 }
 631                 if (status < 0) {
 632                         scsicmd->SCp.ptr = NULL;
 633                         aac_fib_complete(fibptr);
 634                         aac_fib_free(fibptr);
 635                 }
 636         }
 637         if (status < 0) {
 638                 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 639                 if (fsa_dev_ptr) {
 640                         fsa_dev_ptr += scmd_id(scsicmd);
 641                         if ((fsa_dev_ptr->valid & 1) == 0) {
 642                                 fsa_dev_ptr->valid = 0;
 643                                 return (*callback)(scsicmd);
 644                         }
 645                 }
 646         }
 647         return status;
 648 }
 649
 650 /**
 651  *      aac_probe_container             -       query a logical volume
 652  *      @dev: device to query
 653  *      @cid: container identifier
 654  *
 655  *      Queries the controller about the given volume. The volume information
 656  *      is updated in the struct fsa_dev_info structure rather than returned.
 657  */
 658 static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
 659 {
 660         scsicmd->device = NULL;
 661         return 0;
 662 }
 663
 664 int aac_probe_container(struct aac_dev *dev, int cid)
 665 {
 666         struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL);
 667         struct scsi_device *scsidev = kmalloc(sizeof(*scsidev), GFP_KERNEL);
 668         int status;
 669
 670         if (!scsicmd || !scsidev) {
 671                 kfree(scsicmd);
 672                 kfree(scsidev);
 673                 return -ENOMEM;
 674         }
 675         scsicmd->list.next = NULL;
 676         scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))aac_probe_container_callback1;
 677
 678         scsicmd->device = scsidev;
 679         scsidev->sdev_state = 0;
 680         scsidev->id = cid;
 681         scsidev->host = dev->scsi_host_ptr;
 682
 683         if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
 684                 while (scsicmd->device == scsidev)
 685                         schedule();
 686         kfree(scsidev);
 687         status = scsicmd->SCp.Status;
 688         kfree(scsicmd);
 689         return status;
 690 }
 691
 692 /* Local Structure to set SCSI inquiry data strings */
 693 struct scsi_inq {
 694         char vid[8];         /* Vendor ID */
 695         char pid[16];        /* Product ID */
 696         char prl[4];         /* Product Revision Level */
 697 };
 698
 699 /**
 700  *      InqStrCopy      -       string merge
 701  *      @a:     string to copy from
 702  *      @b:     string to copy to
 703  *
 704  *      Copy a String from one location to another
 705  *      without copying \0
 706  */
 707
 708 static void inqstrcpy(char *a, char *b)
 709 {
 710
 711         while (*a != (char)0)
 712                 *b++ = *a++;
 713 }
 714
 715 static char *container_types[] = {
 716         "None",
 717         "Volume",
 718         "Mirror",
 719         "Stripe",
 720         "RAID5",
 721         "SSRW",
 722         "SSRO",
 723         "Morph",
 724         "Legacy",
 725         "RAID4",
 726         "RAID10",
 727         "RAID00",
 728         "V-MIRRORS",
 729         "PSEUDO R4",
 730         "RAID50",
 731         "RAID5D",
 732         "RAID5D0",
 733         "RAID1E",
 734         "RAID6",
 735         "RAID60",
 736         "Unknown"
 737 };
 738
 739 char * get_container_type(unsigned tindex)
 740 {
 741         if (tindex >= ARRAY_SIZE(container_types))
 742                 tindex = ARRAY_SIZE(container_types) - 1;
 743         return container_types[tindex];
 744 }
 745
 746 /* Function: setinqstr
 747  *
 748  * Arguments: [1] pointer to void [1] int
 749  *
 750  * Purpose: Sets SCSI inquiry data strings for vendor, product
 751  * and revision level. Allows strings to be set in platform dependent
 752  * files instead of in OS dependent driver source.
 753  */
 754
 755 static void setinqstr(struct aac_dev *dev, void *data, int tindex)
 756 {
 757         struct scsi_inq *str;
 758
 759         str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
 760         memset(str, ' ', sizeof(*str));
 761
 762         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 763                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 764                 int c;
 765                 if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C'))
 766                         inqstrcpy("SMC", str->vid);
 767                 else {
 768                         c = sizeof(str->vid);
 769                         while (*cp && *cp != ' ' && --c)
 770                                 ++cp;
 771                         c = *cp;
 772                         *cp = '\0';
 773                         inqstrcpy (dev->supplement_adapter_info.AdapterTypeText,
 774                                    str->vid);
 775                         *cp = c;
 776                         while (*cp && *cp != ' ')
 777                                 ++cp;
 778                 }
 779                 while (*cp == ' ')
 780                         ++cp;
 781                 /* last six chars reserved for vol type */
 782                 c = 0;
 783                 if (strlen(cp) > sizeof(str->pid)) {
 784                         c = cp[sizeof(str->pid)];
 785                         cp[sizeof(str->pid)] = '\0';
 786                 }
 787                 inqstrcpy (cp, str->pid);
 788                 if (c)
 789                         cp[sizeof(str->pid)] = c;
 790         } else {
 791                 struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
 792
 793                 inqstrcpy (mp->vname, str->vid);
 794                 /* last six chars reserved for vol type */
 795                 inqstrcpy (mp->model, str->pid);
 796         }
 797
 798         if (tindex < ARRAY_SIZE(container_types)){
 799                 char *findit = str->pid;
 800
 801                 for ( ; *findit != ' '; findit++); /* walk till we find a space */
 802                 /* RAID is superfluous in the context of a RAID device */
 803                 if (memcmp(findit-4, "RAID", 4) == 0)
 804                         *(findit -= 4) = ' ';
 805                 if (((findit - str->pid) + strlen(container_types[tindex]))
 806                  < (sizeof(str->pid) + sizeof(str->prl)))
 807                         inqstrcpy (container_types[tindex], findit + 1);
 808         }
 809         inqstrcpy ("V1.0", str->prl);
 810 }
 811
 812 static void get_container_serial_callback(void *context, struct fib * fibptr)
 813 {
 814         struct aac_get_serial_resp * get_serial_reply;
 815         struct scsi_cmnd * scsicmd;
 816
 817         BUG_ON(fibptr == NULL);
 818
 819         scsicmd = (struct scsi_cmnd *) context;
 820         if (!aac_valid_context(scsicmd, fibptr))
 821                 return;
 822
 823         get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr);
 824         /* Failure is irrelevant, using default value instead */
 825         if (le32_to_cpu(get_serial_reply->status) == CT_OK) {
 826                 char sp[13];
 827                 /* EVPD bit set */
 828                 sp[0] = INQD_PDT_DA;
 829                 sp[1] = scsicmd->cmnd[2];
 830                 sp[2] = 0;
 831                 sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
 832                   le32_to_cpu(get_serial_reply->uid));
 833                 scsi_sg_copy_from_buffer(scsicmd, sp, sizeof(sp));
 834         }
 835
 836         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 837
 838         aac_fib_complete(fibptr);
 839         aac_fib_free(fibptr);
 840         scsicmd->scsi_done(scsicmd);
 841 }
 842
 843 /**
 844  *      aac_get_container_serial - get container serial, none blocking.
 845  */
 846 static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
 847 {
 848         int status;
 849         struct aac_get_serial *dinfo;
 850         struct fib * cmd_fibcontext;
 851         struct aac_dev * dev;
 852
 853         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 854
 855         if (!(cmd_fibcontext = aac_fib_alloc(dev)))
 856                 return -ENOMEM;
 857
 858         aac_fib_init(cmd_fibcontext);
 859         dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext);
 860
 861         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 862         dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID);
 863         dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
 864
 865         status = aac_fib_send(ContainerCommand,
 866                   cmd_fibcontext,
 867                   sizeof (struct aac_get_serial),
 868                   FsaNormal,
 869                   0, 1,
 870                   (fib_callback) get_container_serial_callback,
 871                   (void *) scsicmd);
 872
 873         /*
 874          *      Check that the command queued to the controller
 875          */
 876         if (status == -EINPROGRESS) {
 877                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 878                 return 0;
 879         }
 880
 881         printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status);
 882         aac_fib_complete(cmd_fibcontext);
 883         aac_fib_free(cmd_fibcontext);
 884         return -1;
 885 }
 886
 887 /* Function: setinqserial
 888  *
 889  * Arguments: [1] pointer to void [1] int
 890  *
 891  * Purpose: Sets SCSI Unit Serial number.
 892  *          This is a fake. We should read a proper
 893  *          serial number from the container. <SuSE>But
 894  *          without docs it's quite hard to do it :-)
 895  *          So this will have to do in the meantime.</SuSE>
 896  */
 897
 898 static int setinqserial(struct aac_dev *dev, void *data, int cid)
 899 {
 900         /*
 901          *      This breaks array migration.
 902          */
 903         return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X",
 904                         le32_to_cpu(dev->adapter_info.serial[0]), cid);
 905 }
 906
 907 static inline void set_sense(struct sense_data *sense_data, u8 sense_key,
 908         u8 sense_code, u8 a_sense_code, u8 bit_pointer, u16 field_pointer)
 909 {
 910         u8 *sense_buf = (u8 *)sense_data;
 911         /* Sense data valid, err code 70h */
 912         sense_buf[0] = 0x70; /* No info field */
 913         sense_buf[1] = 0;       /* Segment number, always zero */
 914
 915         sense_buf[2] = sense_key;       /* Sense key */
 916
 917         sense_buf[12] = sense_code;     /* Additional sense code */
 918         sense_buf[13] = a_sense_code;   /* Additional sense code qualifier */
 919
 920         if (sense_key == ILLEGAL_REQUEST) {
 921                 sense_buf[7] = 10;      /* Additional sense length */
 922
 923                 sense_buf[15] = bit_pointer;
 924                 /* Illegal parameter is in the parameter block */
 925                 if (sense_code == SENCODE_INVALID_CDB_FIELD)
 926                         sense_buf[15] |= 0xc0;/* Std sense key specific field */
 927                 /* Illegal parameter is in the CDB block */
 928                 sense_buf[16] = field_pointer >> 8;     /* MSB */
 929                 sense_buf[17] = field_pointer;          /* LSB */
 930         } else
 931                 sense_buf[7] = 6;       /* Additional sense length */
 932 }
 933
 934 static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
 935 {
 936         if (lba & 0xffffffff00000000LL) {
 937                 int cid = scmd_id(cmd);
 938                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
 939                 cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
 940                         SAM_STAT_CHECK_CONDITION;
 941                 set_sense(&dev->fsa_dev[cid].sense_data,
 942                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
 943                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
 944                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
 945                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
 946                              SCSI_SENSE_BUFFERSIZE));
 947                 cmd->scsi_done(cmd);
 948                 return 1;
 949         }
 950         return 0;
 951 }
 952
 953 static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
 954 {
 955         return 0;
 956 }
 957
 958 static void io_callback(void *context, struct fib * fibptr);
 959
 960 static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 961 {
 962         u16 fibsize;
 963         struct aac_raw_io *readcmd;
 964         aac_fib_init(fib);
 965         readcmd = (struct aac_raw_io *) fib_data(fib);
 966         readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
 967         readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
 968         readcmd->count = cpu_to_le32(count<<9);
 969         readcmd->cid = cpu_to_le16(scmd_id(cmd));
 970         readcmd->flags = cpu_to_le16(IO_TYPE_READ);
 971         readcmd->bpTotal = 0;
 972         readcmd->bpComplete = 0;
 973
 974         aac_build_sgraw(cmd, &readcmd->sg);
 975         fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
 976         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
 977         /*
 978          *      Now send the Fib to the adapter
 979          */
 980         return aac_fib_send(ContainerRawIo,
 981                           fib,
 982                           fibsize,
 983                           FsaNormal,
 984                           0, 1,
 985                           (fib_callback) io_callback,
 986                           (void *) cmd);
 987 }
 988
 989 static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 990 {
 991         u16 fibsize;
 992         struct aac_read64 *readcmd;
 993         aac_fib_init(fib);
 994         readcmd = (struct aac_read64 *) fib_data(fib);
 995         readcmd->command = cpu_to_le32(VM_CtHostRead64);
 996         readcmd->cid = cpu_to_le16(scmd_id(cmd));
 997         readcmd->sector_count = cpu_to_le16(count);
 998         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
 999         readcmd->pad   = 0;
1000         readcmd->flags = 0;
1001
1002         aac_build_sg64(cmd, &readcmd->sg);
1003         fibsize = sizeof(struct aac_read64) +
1004                 ((le32_to_cpu(readcmd->sg.count) - 1) *
1005                  sizeof (struct sgentry64));
1006         BUG_ON (fibsize > (fib->dev->max_fib_size -
1007                                 sizeof(struct aac_fibhdr)));
1008         /*
1009          *      Now send the Fib to the adapter
1010          */
1011         return aac_fib_send(ContainerCommand64,
1012                           fib,
1013                           fibsize,
1014                           FsaNormal,
1015                           0, 1,
1016                           (fib_callback) io_callback,
1017                           (void *) cmd);
1018 }
1019
1020 static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1021 {
1022         u16 fibsize;
1023         struct aac_read *readcmd;
1024         aac_fib_init(fib);
1025         readcmd = (struct aac_read *) fib_data(fib);
1026         readcmd->command = cpu_to_le32(VM_CtBlockRead);
1027         readcmd->cid = cpu_to_le32(scmd_id(cmd));
1028         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1029         readcmd->count = cpu_to_le32(count * 512);
1030
1031         aac_build_sg(cmd, &readcmd->sg);
1032         fibsize = sizeof(struct aac_read) +
1033                         ((le32_to_cpu(readcmd->sg.count) - 1) *
1034                          sizeof (struct sgentry));
1035         BUG_ON (fibsize > (fib->dev->max_fib_size -
1036                                 sizeof(struct aac_fibhdr)));
1037         /*
1038          *      Now send the Fib to the adapter
1039          */
1040         return aac_fib_send(ContainerCommand,
1041                           fib,
1042                           fibsize,
1043                           FsaNormal,
1044                           0, 1,
1045                           (fib_callback) io_callback,
1046                           (void *) cmd);
1047 }
1048
1049 static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1050 {
1051         u16 fibsize;
1052         struct aac_raw_io *writecmd;
1053         aac_fib_init(fib);
1054         writecmd = (struct aac_raw_io *) fib_data(fib);
1055         writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1056         writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1057         writecmd->count = cpu_to_le32(count<<9);
1058         writecmd->cid = cpu_to_le16(scmd_id(cmd));
1059         writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
1060           (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1061                 cpu_to_le16(IO_TYPE_WRITE|IO_SUREWRITE) :
1062                 cpu_to_le16(IO_TYPE_WRITE);
1063         writecmd->bpTotal = 0;
1064         writecmd->bpComplete = 0;
1065
1066         aac_build_sgraw(cmd, &writecmd->sg);
1067         fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
1068         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1069         /*
1070          *      Now send the Fib to the adapter
1071          */
1072         return aac_fib_send(ContainerRawIo,
1073                           fib,
1074                           fibsize,
1075                           FsaNormal,
1076                           0, 1,
1077                           (fib_callback) io_callback,
1078                           (void *) cmd);
1079 }
1080
1081 static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1082 {
1083         u16 fibsize;
1084         struct aac_write64 *writecmd;
1085         aac_fib_init(fib);
1086         writecmd = (struct aac_write64 *) fib_data(fib);
1087         writecmd->command = cpu_to_le32(VM_CtHostWrite64);
1088         writecmd->cid = cpu_to_le16(scmd_id(cmd));
1089         writecmd->sector_count = cpu_to_le16(count);
1090         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1091         writecmd->pad   = 0;
1092         writecmd->flags = 0;
1093
1094         aac_build_sg64(cmd, &writecmd->sg);
1095         fibsize = sizeof(struct aac_write64) +
1096                 ((le32_to_cpu(writecmd->sg.count) - 1) *
1097                  sizeof (struct sgentry64));
1098         BUG_ON (fibsize > (fib->dev->max_fib_size -
1099                                 sizeof(struct aac_fibhdr)));
1100         /*
1101          *      Now send the Fib to the adapter
1102          */
1103         return aac_fib_send(ContainerCommand64,
1104                           fib,
1105                           fibsize,
1106                           FsaNormal,
1107                           0, 1,
1108                           (fib_callback) io_callback,
1109                           (void *) cmd);
1110 }
1111
1112 static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1113 {
1114         u16 fibsize;
1115         struct aac_write *writecmd;
1116         aac_fib_init(fib);
1117         writecmd = (struct aac_write *) fib_data(fib);
1118         writecmd->command = cpu_to_le32(VM_CtBlockWrite);
1119         writecmd->cid = cpu_to_le32(scmd_id(cmd));
1120         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1121         writecmd->count = cpu_to_le32(count * 512);
1122         writecmd->sg.count = cpu_to_le32(1);
1123         /* ->stable is not used - it did mean which type of write */
1124
1125         aac_build_sg(cmd, &writecmd->sg);
1126         fibsize = sizeof(struct aac_write) +
1127                 ((le32_to_cpu(writecmd->sg.count) - 1) *
1128                  sizeof (struct sgentry));
1129         BUG_ON (fibsize > (fib->dev->max_fib_size -
1130                                 sizeof(struct aac_fibhdr)));
1131         /*
1132          *      Now send the Fib to the adapter
1133          */
1134         return aac_fib_send(ContainerCommand,
1135                           fib,
1136                           fibsize,
1137                           FsaNormal,
1138                           0, 1,
1139                           (fib_callback) io_callback,
1140                           (void *) cmd);
1141 }
1142
1143 static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
1144 {
1145         struct aac_srb * srbcmd;
1146         u32 flag;
1147         u32 timeout;
1148
1149         aac_fib_init(fib);
1150         switch(cmd->sc_data_direction){
1151         case DMA_TO_DEVICE:
1152                 flag = SRB_DataOut;
1153                 break;
1154         case DMA_BIDIRECTIONAL:
1155                 flag = SRB_DataIn | SRB_DataOut;
1156                 break;
1157         case DMA_FROM_DEVICE:
1158                 flag = SRB_DataIn;
1159                 break;
1160         case DMA_NONE:
1161         default:        /* shuts up some versions of gcc */
1162                 flag = SRB_NoDataXfer;
1163                 break;
1164         }
1165
1166         srbcmd = (struct aac_srb*) fib_data(fib);
1167         srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1168         srbcmd->channel  = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1169         srbcmd->id       = cpu_to_le32(scmd_id(cmd));
1170         srbcmd->lun      = cpu_to_le32(cmd->device->lun);
1171         srbcmd->flags    = cpu_to_le32(flag);
1172         timeout = cmd->request->timeout/HZ;
1173         if (timeout == 0)
1174                 timeout = 1;
1175         srbcmd->timeout  = cpu_to_le32(timeout);  // timeout in seconds
1176         srbcmd->retry_limit = 0; /* Obsolete parameter */
1177         srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1178         return srbcmd;
1179 }
1180
1181 static void aac_srb_callback(void *context, struct fib * fibptr);
1182
1183 static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1184 {
1185         u16 fibsize;
1186         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1187
1188         aac_build_sg64(cmd, (struct sgmap64*) &srbcmd->sg);
1189         srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1190
1191         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1192         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1193         /*
1194          *      Build Scatter/Gather list
1195          */
1196         fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1197                 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1198                  sizeof (struct sgentry64));
1199         BUG_ON (fibsize > (fib->dev->max_fib_size -
1200                                 sizeof(struct aac_fibhdr)));
1201
1202         /*
1203          *      Now send the Fib to the adapter
1204          */
1205         return aac_fib_send(ScsiPortCommand64, fib,
1206                                 fibsize, FsaNormal, 0, 1,
1207                                   (fib_callback) aac_srb_callback,
1208                                   (void *) cmd);
1209 }
1210
1211 static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1212 {
1213         u16 fibsize;
1214         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1215
1216         aac_build_sg(cmd, (struct sgmap*)&srbcmd->sg);
1217         srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1218
1219         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1220         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1221         /*
1222          *      Build Scatter/Gather list
1223          */
1224         fibsize = sizeof (struct aac_srb) +
1225                 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1226                  sizeof (struct sgentry));
1227         BUG_ON (fibsize > (fib->dev->max_fib_size -
1228                                 sizeof(struct aac_fibhdr)));
1229
1230         /*
1231          *      Now send the Fib to the adapter
1232          */
1233         return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1234                                   (fib_callback) aac_srb_callback, (void *) cmd);
1235 }
1236
1237 static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd)
1238 {
1239         if ((sizeof(dma_addr_t) > 4) && fib->dev->needs_dac &&
1240             (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64))
1241                 return FAILED;
1242         return aac_scsi_32(fib, cmd);
1243 }
1244
1245 int aac_get_adapter_info(struct aac_dev* dev)
1246 {
1247         struct fib* fibptr;
1248         int rcode;
1249         u32 tmp;
1250         struct aac_adapter_info *info;
1251         struct aac_bus_info *command;
1252         struct aac_bus_info_response *bus_info;
1253
1254         if (!(fibptr = aac_fib_alloc(dev)))
1255                 return -ENOMEM;
1256
1257         aac_fib_init(fibptr);
1258         info = (struct aac_adapter_info *) fib_data(fibptr);
1259         memset(info,0,sizeof(*info));
1260
1261         rcode = aac_fib_send(RequestAdapterInfo,
1262                          fibptr,
1263                          sizeof(*info),
1264                          FsaNormal,
1265                          -1, 1, /* First `interrupt' command uses special wait */
1266                          NULL,
1267                          NULL);
1268
1269         if (rcode < 0) {
1270                 /* FIB should be freed only after
1271                  * getting the response from the F/W */
1272                 if (rcode != -ERESTARTSYS) {
1273                         aac_fib_complete(fibptr);
1274                         aac_fib_free(fibptr);
1275                 }
1276                 return rcode;
1277         }
1278         memcpy(&dev->adapter_info, info, sizeof(*info));
1279
1280         if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
1281                 struct aac_supplement_adapter_info * sinfo;
1282
1283                 aac_fib_init(fibptr);
1284
1285                 sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr);
1286
1287                 memset(sinfo,0,sizeof(*sinfo));
1288
1289                 rcode = aac_fib_send(RequestSupplementAdapterInfo,
1290                                  fibptr,
1291                                  sizeof(*sinfo),
1292                                  FsaNormal,
1293                                  1, 1,
1294                                  NULL,
1295                                  NULL);
1296
1297                 if (rcode >= 0)
1298                         memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo));
1299                 if (rcode == -ERESTARTSYS) {
1300                         fibptr = aac_fib_alloc(dev);
1301                         if (!fibptr)
1302                                 return -ENOMEM;
1303                 }
1304
1305         }
1306
1307
1308         /*
1309          * GetBusInfo
1310          */
1311
1312         aac_fib_init(fibptr);
1313
1314         bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
1315
1316         memset(bus_info, 0, sizeof(*bus_info));
1317
1318         command = (struct aac_bus_info *)bus_info;
1319
1320         command->Command = cpu_to_le32(VM_Ioctl);
1321         command->ObjType = cpu_to_le32(FT_DRIVE);
1322         command->MethodId = cpu_to_le32(1);
1323         command->CtlCmd = cpu_to_le32(GetBusInfo);
1324
1325         rcode = aac_fib_send(ContainerCommand,
1326                          fibptr,
1327                          sizeof (*bus_info),
1328                          FsaNormal,
1329                          1, 1,
1330                          NULL, NULL);
1331
1332         /* reasoned default */
1333         dev->maximum_num_physicals = 16;
1334         if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
1335                 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
1336                 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
1337         }
1338
1339         if (!dev->in_reset) {
1340                 char buffer[16];
1341                 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1342                 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
1343                         dev->name,
1344                         dev->id,
1345                         tmp>>24,
1346                         (tmp>>16)&0xff,
1347                         tmp&0xff,
1348                         le32_to_cpu(dev->adapter_info.kernelbuild),
1349                         (int)sizeof(dev->supplement_adapter_info.BuildDate),
1350                         dev->supplement_adapter_info.BuildDate);
1351                 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1352                 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
1353                         dev->name, dev->id,
1354                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1355                         le32_to_cpu(dev->adapter_info.monitorbuild));
1356                 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1357                 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
1358                         dev->name, dev->id,
1359                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1360                         le32_to_cpu(dev->adapter_info.biosbuild));
1361                 buffer[0] = '\0';
1362                 if (aac_get_serial_number(
1363                   shost_to_class(dev->scsi_host_ptr), buffer))
1364                         printk(KERN_INFO "%s%d: serial %s",
1365                           dev->name, dev->id, buffer);
1366                 if (dev->supplement_adapter_info.VpdInfo.Tsid[0]) {
1367                         printk(KERN_INFO "%s%d: TSID %.*s\n",
1368                           dev->name, dev->id,
1369                           (int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid),
1370                           dev->supplement_adapter_info.VpdInfo.Tsid);
1371                 }
1372                 if (!aac_check_reset || ((aac_check_reset == 1) &&
1373                   (dev->supplement_adapter_info.SupportedOptions2 &
1374                   AAC_OPTION_IGNORE_RESET))) {
1375                         printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
1376                           dev->name, dev->id);
1377                 }
1378         }
1379
1380         dev->cache_protected = 0;
1381         dev->jbod = ((dev->supplement_adapter_info.FeatureBits &
1382                 AAC_FEATURE_JBOD) != 0);
1383         dev->nondasd_support = 0;
1384         dev->raid_scsi_mode = 0;
1385         if(dev->adapter_info.options & AAC_OPT_NONDASD)
1386                 dev->nondasd_support = 1;
1387
1388         /*
1389          * If the firmware supports ROMB RAID/SCSI mode and we are currently
1390          * in RAID/SCSI mode, set the flag. For now if in this mode we will
1391          * force nondasd support on. If we decide to allow the non-dasd flag
1392          * additional changes changes will have to be made to support
1393          * RAID/SCSI.  the function aac_scsi_cmd in this module will have to be
1394          * changed to support the new dev->raid_scsi_mode flag instead of
1395          * leaching off of the dev->nondasd_support flag. Also in linit.c the
1396          * function aac_detect will have to be modified where it sets up the
1397          * max number of channels based on the aac->nondasd_support flag only.
1398          */
1399         if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
1400             (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
1401                 dev->nondasd_support = 1;
1402                 dev->raid_scsi_mode = 1;
1403         }
1404         if (dev->raid_scsi_mode != 0)
1405                 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
1406                                 dev->name, dev->id);
1407
1408         if (nondasd != -1)
1409                 dev->nondasd_support = (nondasd!=0);
1410         if (dev->nondasd_support && !dev->in_reset)
1411                 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
1412
1413         if (dma_get_required_mask(&dev->pdev->dev) > DMA_BIT_MASK(32))
1414                 dev->needs_dac = 1;
1415         dev->dac_support = 0;
1416         if ((sizeof(dma_addr_t) > 4) && dev->needs_dac &&
1417             (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) {
1418                 if (!dev->in_reset)
1419                         printk(KERN_INFO "%s%d: 64bit support enabled.\n",
1420                                 dev->name, dev->id);
1421                 dev->dac_support = 1;
1422         }
1423
1424         if(dacmode != -1) {
1425                 dev->dac_support = (dacmode!=0);
1426         }
1427
1428         /* avoid problems with AAC_QUIRK_SCSI_32 controllers */
1429         if (dev->dac_support && (aac_get_driver_ident(dev->cardtype)->quirks
1430                 & AAC_QUIRK_SCSI_32)) {
1431                 dev->nondasd_support = 0;
1432                 dev->jbod = 0;
1433                 expose_physicals = 0;
1434         }
1435
1436         if(dev->dac_support != 0) {
1437                 if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(64)) &&
1438                         !pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(64))) {
1439                         if (!dev->in_reset)
1440                                 printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
1441                                         dev->name, dev->id);
1442                 } else if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(32)) &&
1443                         !pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(32))) {
1444                         printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
1445                                 dev->name, dev->id);
1446                         dev->dac_support = 0;
1447                 } else {
1448                         printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
1449                                 dev->name, dev->id);
1450                         rcode = -ENOMEM;
1451                 }
1452         }
1453         /*
1454          * Deal with configuring for the individualized limits of each packet
1455          * interface.
1456          */
1457         dev->a_ops.adapter_scsi = (dev->dac_support)
1458           ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32)
1459                                 ? aac_scsi_32_64
1460                                 : aac_scsi_64)
1461                                 : aac_scsi_32;
1462         if (dev->raw_io_interface) {
1463                 dev->a_ops.adapter_bounds = (dev->raw_io_64)
1464                                         ? aac_bounds_64
1465                                         : aac_bounds_32;
1466                 dev->a_ops.adapter_read = aac_read_raw_io;
1467                 dev->a_ops.adapter_write = aac_write_raw_io;
1468         } else {
1469                 dev->a_ops.adapter_bounds = aac_bounds_32;
1470                 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
1471                         sizeof(struct aac_fibhdr) -
1472                         sizeof(struct aac_write) + sizeof(struct sgentry)) /
1473                                 sizeof(struct sgentry);
1474                 if (dev->dac_support) {
1475                         dev->a_ops.adapter_read = aac_read_block64;
1476                         dev->a_ops.adapter_write = aac_write_block64;
1477                         /*
1478                          * 38 scatter gather elements
1479                          */
1480                         dev->scsi_host_ptr->sg_tablesize =
1481                                 (dev->max_fib_size -
1482                                 sizeof(struct aac_fibhdr) -
1483                                 sizeof(struct aac_write64) +
1484                                 sizeof(struct sgentry64)) /
1485                                         sizeof(struct sgentry64);
1486                 } else {
1487                         dev->a_ops.adapter_read = aac_read_block;
1488                         dev->a_ops.adapter_write = aac_write_block;
1489                 }
1490                 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
1491                 if (dev->adapter_info.options & AAC_OPT_NEW_COMM_TYPE1)
1492                         dev->adapter_info.options |= AAC_OPT_NEW_COMM;
1493                 if (!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
1494                         /*
1495                          * Worst case size that could cause sg overflow when
1496                          * we break up SG elements that are larger than 64KB.
1497                          * Would be nice if we could tell the SCSI layer what
1498                          * the maximum SG element size can be. Worst case is
1499                          * (sg_tablesize-1) 4KB elements with one 64KB
1500                          * element.
1501                          *      32bit -> 468 or 238KB   64bit -> 424 or 212KB
1502                          */
1503                         dev->scsi_host_ptr->max_sectors =
1504                           (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
1505                 }
1506         }
1507         /* FIB should be freed only after getting the response from the F/W */
1508         if (rcode != -ERESTARTSYS) {
1509                 aac_fib_complete(fibptr);
1510                 aac_fib_free(fibptr);
1511         }
1512
1513         return rcode;
1514 }
1515
1516
1517 static void io_callback(void *context, struct fib * fibptr)
1518 {
1519         struct aac_dev *dev;
1520         struct aac_read_reply *readreply;
1521         struct scsi_cmnd *scsicmd;
1522         u32 cid;
1523
1524         scsicmd = (struct scsi_cmnd *) context;
1525
1526         if (!aac_valid_context(scsicmd, fibptr))
1527                 return;
1528
1529         dev = fibptr->dev;
1530         cid = scmd_id(scsicmd);
1531
1532         if (nblank(dprintk(x))) {
1533                 u64 lba;
1534                 switch (scsicmd->cmnd[0]) {
1535                 case WRITE_6:
1536                 case READ_6:
1537                         lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1538                             (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1539                         break;
1540                 case WRITE_16:
1541                 case READ_16:
1542                         lba = ((u64)scsicmd->cmnd[2] << 56) |
1543                               ((u64)scsicmd->cmnd[3] << 48) |
1544                               ((u64)scsicmd->cmnd[4] << 40) |
1545                               ((u64)scsicmd->cmnd[5] << 32) |
1546                               ((u64)scsicmd->cmnd[6] << 24) |
1547                               (scsicmd->cmnd[7] << 16) |
1548                               (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1549                         break;
1550                 case WRITE_12:
1551                 case READ_12:
1552                         lba = ((u64)scsicmd->cmnd[2] << 24) |
1553                               (scsicmd->cmnd[3] << 16) |
1554                               (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1555                         break;
1556                 default:
1557                         lba = ((u64)scsicmd->cmnd[2] << 24) |
1558                                (scsicmd->cmnd[3] << 16) |
1559                                (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1560                         break;
1561                 }
1562                 printk(KERN_DEBUG
1563                   "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
1564                   smp_processor_id(), (unsigned long long)lba, jiffies);
1565         }
1566
1567         BUG_ON(fibptr == NULL);
1568
1569         scsi_dma_unmap(scsicmd);
1570
1571         readreply = (struct aac_read_reply *)fib_data(fibptr);
1572         switch (le32_to_cpu(readreply->status)) {
1573         case ST_OK:
1574                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1575                         SAM_STAT_GOOD;
1576                 dev->fsa_dev[cid].sense_data.sense_key = NO_SENSE;
1577                 break;
1578         case ST_NOT_READY:
1579                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1580                         SAM_STAT_CHECK_CONDITION;
1581                 set_sense(&dev->fsa_dev[cid].sense_data, NOT_READY,
1582                   SENCODE_BECOMING_READY, ASENCODE_BECOMING_READY, 0, 0);
1583                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1584                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1585                              SCSI_SENSE_BUFFERSIZE));
1586                 break;
1587         default:
1588 #ifdef AAC_DETAILED_STATUS_INFO
1589                 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
1590                   le32_to_cpu(readreply->status));
1591 #endif
1592                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1593                         SAM_STAT_CHECK_CONDITION;
1594                 set_sense(&dev->fsa_dev[cid].sense_data,
1595                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1596                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1597                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1598                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1599                              SCSI_SENSE_BUFFERSIZE));
1600                 break;
1601         }
1602         aac_fib_complete(fibptr);
1603         aac_fib_free(fibptr);
1604
1605         scsicmd->scsi_done(scsicmd);
1606 }
1607
1608 static int aac_read(struct scsi_cmnd * scsicmd)
1609 {
1610         u64 lba;
1611         u32 count;
1612         int status;
1613         struct aac_dev *dev;
1614         struct fib * cmd_fibcontext;
1615         int cid;
1616
1617         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1618         /*
1619          *      Get block address and transfer length
1620          */
1621         switch (scsicmd->cmnd[0]) {
1622         case READ_6:
1623                 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
1624
1625                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1626                         (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1627                 count = scsicmd->cmnd[4];
1628
1629                 if (count == 0)
1630                         count = 256;
1631                 break;
1632         case READ_16:
1633                 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
1634
1635                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
1636                         ((u64)scsicmd->cmnd[3] << 48) |
1637                         ((u64)scsicmd->cmnd[4] << 40) |
1638                         ((u64)scsicmd->cmnd[5] << 32) |
1639                         ((u64)scsicmd->cmnd[6] << 24) |
1640                         (scsicmd->cmnd[7] << 16) |
1641                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1642                 count = (scsicmd->cmnd[10] << 24) |
1643                         (scsicmd->cmnd[11] << 16) |
1644                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1645                 break;
1646         case READ_12:
1647                 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
1648
1649                 lba = ((u64)scsicmd->cmnd[2] << 24) |
1650                         (scsicmd->cmnd[3] << 16) |
1651                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1652                 count = (scsicmd->cmnd[6] << 24) |
1653                         (scsicmd->cmnd[7] << 16) |
1654                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1655                 break;
1656         default:
1657                 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
1658
1659                 lba = ((u64)scsicmd->cmnd[2] << 24) |
1660                         (scsicmd->cmnd[3] << 16) |
1661                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1662                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1663                 break;
1664         }
1665
1666         if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
1667                 cid = scmd_id(scsicmd);
1668                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
1669                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1670                         SAM_STAT_CHECK_CONDITION;
1671                 set_sense(&dev->fsa_dev[cid].sense_data,
1672                           HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1673                           ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1674                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1675                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1676                              SCSI_SENSE_BUFFERSIZE));
1677                 scsicmd->scsi_done(scsicmd);
1678                 return 1;
1679         }
1680
1681         dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
1682           smp_processor_id(), (unsigned long long)lba, jiffies));
1683         if (aac_adapter_bounds(dev,scsicmd,lba))
1684                 return 0;
1685         /*
1686          *      Alocate and initialize a Fib
1687          */
1688         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1689                 printk(KERN_WARNING "aac_read: fib allocation failed\n");
1690                 return -1;
1691         }
1692
1693         status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
1694
1695         /*
1696          *      Check that the command queued to the controller
1697          */
1698         if (status == -EINPROGRESS) {
1699                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1700                 return 0;
1701         }
1702
1703         printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
1704         /*
1705          *      For some reason, the Fib didn't queue, return QUEUE_FULL
1706          */
1707         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1708         scsicmd->scsi_done(scsicmd);
1709         aac_fib_complete(cmd_fibcontext);
1710         aac_fib_free(cmd_fibcontext);
1711         return 0;
1712 }
1713
1714 static int aac_write(struct scsi_cmnd * scsicmd)
1715 {
1716         u64 lba;
1717         u32 count;
1718         int fua;
1719         int status;
1720         struct aac_dev *dev;
1721         struct fib * cmd_fibcontext;
1722         int cid;
1723
1724         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1725         /*
1726          *      Get block address and transfer length
1727          */
1728         if (scsicmd->cmnd[0] == WRITE_6)        /* 6 byte command */
1729         {
1730                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1731                 count = scsicmd->cmnd[4];
1732                 if (count == 0)
1733                         count = 256;
1734                 fua = 0;
1735         } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
1736                 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
1737
1738                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
1739                         ((u64)scsicmd->cmnd[3] << 48) |
1740                         ((u64)scsicmd->cmnd[4] << 40) |
1741                         ((u64)scsicmd->cmnd[5] << 32) |
1742                         ((u64)scsicmd->cmnd[6] << 24) |
1743                         (scsicmd->cmnd[7] << 16) |
1744                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1745                 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
1746                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1747                 fua = scsicmd->cmnd[1] & 0x8;
1748         } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
1749                 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
1750
1751                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
1752                     | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1753                 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
1754                       | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1755                 fua = scsicmd->cmnd[1] & 0x8;
1756         } else {
1757                 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
1758                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1759                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1760                 fua = scsicmd->cmnd[1] & 0x8;
1761         }
1762
1763         if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
1764                 cid = scmd_id(scsicmd);
1765                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
1766                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1767                         SAM_STAT_CHECK_CONDITION;
1768                 set_sense(&dev->fsa_dev[cid].sense_data,
1769                           HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1770                           ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1771                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1772                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1773                              SCSI_SENSE_BUFFERSIZE));
1774                 scsicmd->scsi_done(scsicmd);
1775                 return 1;
1776         }
1777
1778         dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
1779           smp_processor_id(), (unsigned long long)lba, jiffies));
1780         if (aac_adapter_bounds(dev,scsicmd,lba))
1781                 return 0;
1782         /*
1783          *      Allocate and initialize a Fib then setup a BlockWrite command
1784          */
1785         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1786                 /* FIB temporarily unavailable,not catastrophic failure */
1787
1788                 /* scsicmd->result = DID_ERROR << 16;
1789                  * scsicmd->scsi_done(scsicmd);
1790                  * return 0;
1791                  */
1792                 printk(KERN_WARNING "aac_write: fib allocation failed\n");
1793                 return -1;
1794         }
1795
1796         status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
1797
1798         /*
1799          *      Check that the command queued to the controller
1800          */
1801         if (status == -EINPROGRESS) {
1802                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1803                 return 0;
1804         }
1805
1806         printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
1807         /*
1808          *      For some reason, the Fib didn't queue, return QUEUE_FULL
1809          */
1810         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1811         scsicmd->scsi_done(scsicmd);
1812
1813         aac_fib_complete(cmd_fibcontext);
1814         aac_fib_free(cmd_fibcontext);
1815         return 0;
1816 }
1817
1818 static void synchronize_callback(void *context, struct fib *fibptr)
1819 {
1820         struct aac_synchronize_reply *synchronizereply;
1821         struct scsi_cmnd *cmd;
1822
1823         cmd = context;
1824
1825         if (!aac_valid_context(cmd, fibptr))
1826                 return;
1827
1828         dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
1829                                 smp_processor_id(), jiffies));
1830         BUG_ON(fibptr == NULL);
1831
1832
1833         synchronizereply = fib_data(fibptr);
1834         if (le32_to_cpu(synchronizereply->status) == CT_OK)
1835                 cmd->result = DID_OK << 16 |
1836                         COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1837         else {
1838                 struct scsi_device *sdev = cmd->device;
1839                 struct aac_dev *dev = fibptr->dev;
1840                 u32 cid = sdev_id(sdev);
1841                 printk(KERN_WARNING
1842                      "synchronize_callback: synchronize failed, status = %d\n",
1843                      le32_to_cpu(synchronizereply->status));
1844                 cmd->result = DID_OK << 16 |
1845                         COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1846                 set_sense(&dev->fsa_dev[cid].sense_data,
1847                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1848                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1849                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1850                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1851                              SCSI_SENSE_BUFFERSIZE));
1852         }
1853
1854         aac_fib_complete(fibptr);
1855         aac_fib_free(fibptr);
1856         cmd->scsi_done(cmd);
1857 }
1858
1859 static int aac_synchronize(struct scsi_cmnd *scsicmd)
1860 {
1861         int status;
1862         struct fib *cmd_fibcontext;
1863         struct aac_synchronize *synchronizecmd;
1864         struct scsi_cmnd *cmd;
1865         struct scsi_device *sdev = scsicmd->device;
1866         int active = 0;
1867         struct aac_dev *aac;
1868         u64 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) |
1869                 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1870         u32 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1871         unsigned long flags;
1872
1873         /*
1874          * Wait for all outstanding queued commands to complete to this
1875          * specific target (block).
1876          */
1877         spin_lock_irqsave(&sdev->list_lock, flags);
1878         list_for_each_entry(cmd, &sdev->cmd_list, list)
1879                 if (cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
1880                         u64 cmnd_lba;
1881                         u32 cmnd_count;
1882
1883                         if (cmd->cmnd[0] == WRITE_6) {
1884                                 cmnd_lba = ((cmd->cmnd[1] & 0x1F) << 16) |
1885                                         (cmd->cmnd[2] << 8) |
1886                                         cmd->cmnd[3];
1887                                 cmnd_count = cmd->cmnd[4];
1888                                 if (cmnd_count == 0)
1889                                         cmnd_count = 256;
1890                         } else if (cmd->cmnd[0] == WRITE_16) {
1891                                 cmnd_lba = ((u64)cmd->cmnd[2] << 56) |
1892                                         ((u64)cmd->cmnd[3] << 48) |
1893                                         ((u64)cmd->cmnd[4] << 40) |
1894                                         ((u64)cmd->cmnd[5] << 32) |
1895                                         ((u64)cmd->cmnd[6] << 24) |
1896                                         (cmd->cmnd[7] << 16) |
1897                                         (cmd->cmnd[8] << 8) |
1898                                         cmd->cmnd[9];
1899                                 cmnd_count = (cmd->cmnd[10] << 24) |
1900                                         (cmd->cmnd[11] << 16) |
1901                                         (cmd->cmnd[12] << 8) |
1902                                         cmd->cmnd[13];
1903                         } else if (cmd->cmnd[0] == WRITE_12) {
1904                                 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
1905                                         (cmd->cmnd[3] << 16) |
1906                                         (cmd->cmnd[4] << 8) |
1907                                         cmd->cmnd[5];
1908                                 cmnd_count = (cmd->cmnd[6] << 24) |
1909                                         (cmd->cmnd[7] << 16) |
1910                                         (cmd->cmnd[8] << 8) |
1911                                         cmd->cmnd[9];
1912                         } else if (cmd->cmnd[0] == WRITE_10) {
1913                                 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
1914                                         (cmd->cmnd[3] << 16) |
1915                                         (cmd->cmnd[4] << 8) |
1916                                         cmd->cmnd[5];
1917                                 cmnd_count = (cmd->cmnd[7] << 8) |
1918                                         cmd->cmnd[8];
1919                         } else
1920                                 continue;
1921                         if (((cmnd_lba + cmnd_count) < lba) ||
1922                           (count && ((lba + count) < cmnd_lba)))
1923                                 continue;
1924                         ++active;
1925                         break;
1926                 }
1927
1928         spin_unlock_irqrestore(&sdev->list_lock, flags);
1929
1930         /*
1931          *      Yield the processor (requeue for later)
1932          */
1933         if (active)
1934                 return SCSI_MLQUEUE_DEVICE_BUSY;
1935
1936         aac = (struct aac_dev *)sdev->host->hostdata;
1937         if (aac->in_reset)
1938                 return SCSI_MLQUEUE_HOST_BUSY;
1939
1940         /*
1941          *      Allocate and initialize a Fib
1942          */
1943         if (!(cmd_fibcontext = aac_fib_alloc(aac)))
1944                 return SCSI_MLQUEUE_HOST_BUSY;
1945
1946         aac_fib_init(cmd_fibcontext);
1947
1948         synchronizecmd = fib_data(cmd_fibcontext);
1949         synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
1950         synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
1951         synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
1952         synchronizecmd->count =
1953              cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
1954
1955         /*
1956          *      Now send the Fib to the adapter
1957          */
1958         status = aac_fib_send(ContainerCommand,
1959                   cmd_fibcontext,
1960                   sizeof(struct aac_synchronize),
1961                   FsaNormal,
1962                   0, 1,
1963                   (fib_callback)synchronize_callback,
1964                   (void *)scsicmd);
1965
1966         /*
1967          *      Check that the command queued to the controller
1968          */
1969         if (status == -EINPROGRESS) {
1970                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1971                 return 0;
1972         }
1973
1974         printk(KERN_WARNING
1975                 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
1976         aac_fib_complete(cmd_fibcontext);
1977         aac_fib_free(cmd_fibcontext);
1978         return SCSI_MLQUEUE_HOST_BUSY;
1979 }
1980
1981 static void aac_start_stop_callback(void *context, struct fib *fibptr)
1982 {
1983         struct scsi_cmnd *scsicmd = context;
1984
1985         if (!aac_valid_context(scsicmd, fibptr))
1986                 return;
1987
1988         BUG_ON(fibptr == NULL);
1989
1990         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1991
1992         aac_fib_complete(fibptr);
1993         aac_fib_free(fibptr);
1994         scsicmd->scsi_done(scsicmd);
1995 }
1996
1997 static int aac_start_stop(struct scsi_cmnd *scsicmd)
1998 {
1999         int status;
2000         struct fib *cmd_fibcontext;
2001         struct aac_power_management *pmcmd;
2002         struct scsi_device *sdev = scsicmd->device;
2003         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
2004
2005         if (!(aac->supplement_adapter_info.SupportedOptions2 &
2006               AAC_OPTION_POWER_MANAGEMENT)) {
2007                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2008                                   SAM_STAT_GOOD;
2009                 scsicmd->scsi_done(scsicmd);
2010                 return 0;
2011         }
2012
2013         if (aac->in_reset)
2014                 return SCSI_MLQUEUE_HOST_BUSY;
2015
2016         /*
2017          *      Allocate and initialize a Fib
2018          */
2019         cmd_fibcontext = aac_fib_alloc(aac);
2020         if (!cmd_fibcontext)
2021                 return SCSI_MLQUEUE_HOST_BUSY;
2022
2023         aac_fib_init(cmd_fibcontext);
2024
2025         pmcmd = fib_data(cmd_fibcontext);
2026         pmcmd->command = cpu_to_le32(VM_ContainerConfig);
2027         pmcmd->type = cpu_to_le32(CT_POWER_MANAGEMENT);
2028         /* Eject bit ignored, not relevant */
2029         pmcmd->sub = (scsicmd->cmnd[4] & 1) ?
2030                 cpu_to_le32(CT_PM_START_UNIT) : cpu_to_le32(CT_PM_STOP_UNIT);
2031         pmcmd->cid = cpu_to_le32(sdev_id(sdev));
2032         pmcmd->parm = (scsicmd->cmnd[1] & 1) ?
2033                 cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0;
2034
2035         /*
2036          *      Now send the Fib to the adapter
2037          */
2038         status = aac_fib_send(ContainerCommand,
2039                   cmd_fibcontext,
2040                   sizeof(struct aac_power_management),
2041                   FsaNormal,
2042                   0, 1,
2043                   (fib_callback)aac_start_stop_callback,
2044                   (void *)scsicmd);
2045
2046         /*
2047          *      Check that the command queued to the controller
2048          */
2049         if (status == -EINPROGRESS) {
2050                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2051                 return 0;
2052         }
2053
2054         aac_fib_complete(cmd_fibcontext);
2055         aac_fib_free(cmd_fibcontext);
2056         return SCSI_MLQUEUE_HOST_BUSY;
2057 }
2058
2059 /**
2060  *      aac_scsi_cmd()          -       Process SCSI command
2061  *      @scsicmd:               SCSI command block
2062  *
2063  *      Emulate a SCSI command and queue the required request for the
2064  *      aacraid firmware.
2065  */
2066
2067 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
2068 {
2069         u32 cid;
2070         struct Scsi_Host *host = scsicmd->device->host;
2071         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
2072         struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
2073
2074         if (fsa_dev_ptr == NULL)
2075                 return -1;
2076         /*
2077          *      If the bus, id or lun is out of range, return fail
2078          *      Test does not apply to ID 16, the pseudo id for the controller
2079          *      itself.
2080          */
2081         cid = scmd_id(scsicmd);
2082         if (cid != host->this_id) {
2083                 if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
2084                         if((cid >= dev->maximum_num_containers) ||
2085                                         (scsicmd->device->lun != 0)) {
2086                                 scsicmd->result = DID_NO_CONNECT << 16;
2087                                 scsicmd->scsi_done(scsicmd);
2088                                 return 0;
2089                         }
2090
2091                         /*
2092                          *      If the target container doesn't exist, it may have
2093                          *      been newly created
2094                          */
2095                         if (((fsa_dev_ptr[cid].valid & 1) == 0) ||
2096                           (fsa_dev_ptr[cid].sense_data.sense_key ==
2097                            NOT_READY)) {
2098                                 switch (scsicmd->cmnd[0]) {
2099                                 case SERVICE_ACTION_IN:
2100                                         if (!(dev->raw_io_interface) ||
2101                                             !(dev->raw_io_64) ||
2102                                             ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2103                                                 break;
2104                                 case INQUIRY:
2105                                 case READ_CAPACITY:
2106                                 case TEST_UNIT_READY:
2107                                         if (dev->in_reset)
2108                                                 return -1;
2109                                         return _aac_probe_container(scsicmd,
2110                                                         aac_probe_container_callback2);
2111                                 default:
2112                                         break;
2113                                 }
2114                         }
2115                 } else {  /* check for physical non-dasd devices */
2116                         if (dev->nondasd_support || expose_physicals ||
2117                                         dev->jbod) {
2118                                 if (dev->in_reset)
2119                                         return -1;
2120                                 return aac_send_srb_fib(scsicmd);
2121                         } else {
2122                                 scsicmd->result = DID_NO_CONNECT << 16;
2123                                 scsicmd->scsi_done(scsicmd);
2124                                 return 0;
2125                         }
2126                 }
2127         }
2128         /*
2129          * else Command for the controller itself
2130          */
2131         else if ((scsicmd->cmnd[0] != INQUIRY) &&       /* only INQUIRY & TUR cmnd supported for controller */
2132                 (scsicmd->cmnd[0] != TEST_UNIT_READY))
2133         {
2134                 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
2135                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2136                 set_sense(&dev->fsa_dev[cid].sense_data,
2137                   ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2138                   ASENCODE_INVALID_COMMAND, 0, 0);
2139                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2140                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2141                              SCSI_SENSE_BUFFERSIZE));
2142                 scsicmd->scsi_done(scsicmd);
2143                 return 0;
2144         }
2145
2146
2147         /* Handle commands here that don't really require going out to the adapter */
2148         switch (scsicmd->cmnd[0]) {
2149         case INQUIRY:
2150         {
2151                 struct inquiry_data inq_data;
2152
2153                 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
2154                 memset(&inq_data, 0, sizeof (struct inquiry_data));
2155
2156                 if ((scsicmd->cmnd[1] & 0x1) && aac_wwn) {
2157                         char *arr = (char *)&inq_data;
2158
2159                         /* EVPD bit set */
2160                         arr[0] = (scmd_id(scsicmd) == host->this_id) ?
2161                           INQD_PDT_PROC : INQD_PDT_DA;
2162                         if (scsicmd->cmnd[2] == 0) {
2163                                 /* supported vital product data pages */
2164                                 arr[3] = 2;
2165                                 arr[4] = 0x0;
2166                                 arr[5] = 0x80;
2167                                 arr[1] = scsicmd->cmnd[2];
2168                                 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2169                                                          sizeof(inq_data));
2170                                 scsicmd->result = DID_OK << 16 |
2171                                   COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2172                         } else if (scsicmd->cmnd[2] == 0x80) {
2173                                 /* unit serial number page */
2174                                 arr[3] = setinqserial(dev, &arr[4],
2175                                   scmd_id(scsicmd));
2176                                 arr[1] = scsicmd->cmnd[2];
2177                                 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2178                                                          sizeof(inq_data));
2179                                 if (aac_wwn != 2)
2180                                         return aac_get_container_serial(
2181                                                 scsicmd);
2182                                 /* SLES 10 SP1 special */
2183                                 scsicmd->result = DID_OK << 16 |
2184                                   COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2185                         } else {
2186                                 /* vpd page not implemented */
2187                                 scsicmd->result = DID_OK << 16 |
2188                                   COMMAND_COMPLETE << 8 |
2189                                   SAM_STAT_CHECK_CONDITION;
2190                                 set_sense(&dev->fsa_dev[cid].sense_data,
2191                                   ILLEGAL_REQUEST, SENCODE_INVALID_CDB_FIELD,
2192                                   ASENCODE_NO_SENSE, 7, 2);
2193                                 memcpy(scsicmd->sense_buffer,
2194                                   &dev->fsa_dev[cid].sense_data,
2195                                   min_t(size_t,
2196                                         sizeof(dev->fsa_dev[cid].sense_data),
2197                                         SCSI_SENSE_BUFFERSIZE));
2198                         }
2199                         scsicmd->scsi_done(scsicmd);
2200                         return 0;
2201                 }
2202                 inq_data.inqd_ver = 2;  /* claim compliance to SCSI-2 */
2203                 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 */
2204                 inq_data.inqd_len = 31;
2205                 /*Format for "pad2" is  RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
2206                 inq_data.inqd_pad2= 0x32 ;       /*WBus16|Sync|CmdQue */
2207                 /*
2208                  *      Set the Vendor, Product, and Revision Level
2209                  *      see: <vendor>.c i.e. aac.c
2210                  */
2211                 if (cid == host->this_id) {
2212                         setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
2213                         inq_data.inqd_pdt = INQD_PDT_PROC;      /* Processor device */
2214                         scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2215                                                  sizeof(inq_data));
2216                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2217                         scsicmd->scsi_done(scsicmd);
2218                         return 0;
2219                 }
2220                 if (dev->in_reset)
2221                         return -1;
2222                 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
2223                 inq_data.inqd_pdt = INQD_PDT_DA;        /* Direct/random access device */
2224                 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
2225                 return aac_get_container_name(scsicmd);
2226         }
2227         case SERVICE_ACTION_IN:
2228                 if (!(dev->raw_io_interface) ||
2229                     !(dev->raw_io_64) ||
2230                     ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2231                         break;
2232         {
2233                 u64 capacity;
2234                 char cp[13];
2235                 unsigned int alloc_len;
2236
2237                 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
2238                 capacity = fsa_dev_ptr[cid].size - 1;
2239                 cp[0] = (capacity >> 56) & 0xff;
2240                 cp[1] = (capacity >> 48) & 0xff;
2241                 cp[2] = (capacity >> 40) & 0xff;
2242                 cp[3] = (capacity >> 32) & 0xff;
2243                 cp[4] = (capacity >> 24) & 0xff;
2244                 cp[5] = (capacity >> 16) & 0xff;
2245                 cp[6] = (capacity >> 8) & 0xff;
2246                 cp[7] = (capacity >> 0) & 0xff;
2247                 cp[8] = 0;
2248                 cp[9] = 0;
2249                 cp[10] = 2;
2250                 cp[11] = 0;
2251                 cp[12] = 0;
2252
2253                 alloc_len = ((scsicmd->cmnd[10] << 24)
2254                              + (scsicmd->cmnd[11] << 16)
2255                              + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);
2256
2257                 alloc_len = min_t(size_t, alloc_len, sizeof(cp));
2258                 scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len);
2259                 if (alloc_len < scsi_bufflen(scsicmd))
2260                         scsi_set_resid(scsicmd,
2261                                        scsi_bufflen(scsicmd) - alloc_len);
2262
2263                 /* Do not cache partition table for arrays */
2264                 scsicmd->device->removable = 1;
2265
2266                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2267                 scsicmd->scsi_done(scsicmd);
2268
2269                 return 0;
2270         }
2271
2272         case READ_CAPACITY:
2273         {
2274                 u32 capacity;
2275                 char cp[8];
2276
2277                 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
2278                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
2279                         capacity = fsa_dev_ptr[cid].size - 1;
2280                 else
2281                         capacity = (u32)-1;
2282
2283                 cp[0] = (capacity >> 24) & 0xff;
2284                 cp[1] = (capacity >> 16) & 0xff;
2285                 cp[2] = (capacity >> 8) & 0xff;
2286                 cp[3] = (capacity >> 0) & 0xff;
2287                 cp[4] = 0;
2288                 cp[5] = 0;
2289                 cp[6] = 2;
2290                 cp[7] = 0;
2291                 scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
2292                 /* Do not cache partition table for arrays */
2293                 scsicmd->device->removable = 1;
2294                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2295                   SAM_STAT_GOOD;
2296                 scsicmd->scsi_done(scsicmd);
2297
2298                 return 0;
2299         }
2300
2301         case MODE_SENSE:
2302         {
2303                 char mode_buf[7];
2304                 int mode_buf_length = 4;
2305
2306                 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
2307                 mode_buf[0] = 3;        /* Mode data length */
2308                 mode_buf[1] = 0;        /* Medium type - default */
2309                 mode_buf[2] = 0;        /* Device-specific param,
2310                                            bit 8: 0/1 = write enabled/protected
2311                                            bit 4: 0/1 = FUA enabled */
2312                 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
2313                         mode_buf[2] = 0x10;
2314                 mode_buf[3] = 0;        /* Block descriptor length */
2315                 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
2316                   ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
2317                         mode_buf[0] = 6;
2318                         mode_buf[4] = 8;
2319                         mode_buf[5] = 1;
2320                         mode_buf[6] = ((aac_cache & 6) == 2)
2321                                 ? 0 : 0x04; /* WCE */
2322                         mode_buf_length = 7;
2323                         if (mode_buf_length > scsicmd->cmnd[4])
2324                                 mode_buf_length = scsicmd->cmnd[4];
2325                 }
2326                 scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length);
2327                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2328                 scsicmd->scsi_done(scsicmd);
2329
2330                 return 0;
2331         }
2332         case MODE_SENSE_10:
2333         {
2334                 char mode_buf[11];
2335                 int mode_buf_length = 8;
2336
2337                 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
2338                 mode_buf[0] = 0;        /* Mode data length (MSB) */
2339                 mode_buf[1] = 6;        /* Mode data length (LSB) */
2340                 mode_buf[2] = 0;        /* Medium type - default */
2341                 mode_buf[3] = 0;        /* Device-specific param,
2342                                            bit 8: 0/1 = write enabled/protected
2343                                            bit 4: 0/1 = FUA enabled */
2344                 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
2345                         mode_buf[3] = 0x10;
2346                 mode_buf[4] = 0;        /* reserved */
2347                 mode_buf[5] = 0;        /* reserved */
2348                 mode_buf[6] = 0;        /* Block descriptor length (MSB) */
2349                 mode_buf[7] = 0;        /* Block descriptor length (LSB) */
2350                 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
2351                   ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
2352                         mode_buf[1] = 9;
2353                         mode_buf[8] = 8;
2354                         mode_buf[9] = 1;
2355                         mode_buf[10] = ((aac_cache & 6) == 2)
2356                                 ? 0 : 0x04; /* WCE */
2357                         mode_buf_length = 11;
2358                         if (mode_buf_length > scsicmd->cmnd[8])
2359                                 mode_buf_length = scsicmd->cmnd[8];
2360                 }
2361                 scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length);
2362
2363                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2364                 scsicmd->scsi_done(scsicmd);
2365
2366                 return 0;
2367         }
2368         case REQUEST_SENSE:
2369                 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
2370                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
2371                 memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
2372                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2373                 scsicmd->scsi_done(scsicmd);
2374                 return 0;
2375
2376         case ALLOW_MEDIUM_REMOVAL:
2377                 dprintk((KERN_DEBUG "LOCK command.\n"));
2378                 if (scsicmd->cmnd[4])
2379                         fsa_dev_ptr[cid].locked = 1;
2380                 else
2381                         fsa_dev_ptr[cid].locked = 0;
2382
2383                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2384                 scsicmd->scsi_done(scsicmd);
2385                 return 0;
2386         /*
2387          *      These commands are all No-Ops
2388          */
2389         case TEST_UNIT_READY:
2390                 if (fsa_dev_ptr[cid].sense_data.sense_key == NOT_READY) {
2391                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2392                                 SAM_STAT_CHECK_CONDITION;
2393                         set_sense(&dev->fsa_dev[cid].sense_data,
2394                                   NOT_READY, SENCODE_BECOMING_READY,
2395                                   ASENCODE_BECOMING_READY, 0, 0);
2396                         memcpy(scsicmd->sense_buffer,
2397                                &dev->fsa_dev[cid].sense_data,
2398                                min_t(size_t,
2399                                      sizeof(dev->fsa_dev[cid].sense_data),
2400                                      SCSI_SENSE_BUFFERSIZE));
2401                         scsicmd->scsi_done(scsicmd);
2402                         return 0;
2403                 }
2404                 /* FALLTHRU */
2405         case RESERVE:
2406         case RELEASE:
2407         case REZERO_UNIT:
2408         case REASSIGN_BLOCKS:
2409         case SEEK_10:
2410                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2411                 scsicmd->scsi_done(scsicmd);
2412                 return 0;
2413
2414         case START_STOP:
2415                 return aac_start_stop(scsicmd);
2416         }
2417
2418         switch (scsicmd->cmnd[0])
2419         {
2420                 case READ_6:
2421                 case READ_10:
2422                 case READ_12:
2423                 case READ_16:
2424                         if (dev->in_reset)
2425                                 return -1;
2426                         /*
2427                          *      Hack to keep track of ordinal number of the device that
2428                          *      corresponds to a container. Needed to convert
2429                          *      containers to /dev/sd device names
2430                          */
2431
2432                         if (scsicmd->request->rq_disk)
2433                                 strlcpy(fsa_dev_ptr[cid].devname,
2434                                 scsicmd->request->rq_disk->disk_name,
2435                                 min(sizeof(fsa_dev_ptr[cid].devname),
2436                                 sizeof(scsicmd->request->rq_disk->disk_name) + 1));
2437
2438                         return aac_read(scsicmd);
2439
2440                 case WRITE_6:
2441                 case WRITE_10:
2442                 case WRITE_12:
2443                 case WRITE_16:
2444                         if (dev->in_reset)
2445                                 return -1;
2446                         return aac_write(scsicmd);
2447
2448                 case SYNCHRONIZE_CACHE:
2449                         if (((aac_cache & 6) == 6) && dev->cache_protected) {
2450                                 scsicmd->result = DID_OK << 16 |
2451                                         COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2452                                 scsicmd->scsi_done(scsicmd);
2453                                 return 0;
2454                         }
2455                         /* Issue FIB to tell Firmware to flush it's cache */
2456                         if ((aac_cache & 6) != 2)
2457                                 return aac_synchronize(scsicmd);
2458                         /* FALLTHRU */
2459                 default:
2460                         /*
2461                          *      Unhandled commands
2462                          */
2463                         dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]));
2464                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2465                         set_sense(&dev->fsa_dev[cid].sense_data,
2466                           ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2467                           ASENCODE_INVALID_COMMAND, 0, 0);
2468                         memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2469                                 min_t(size_t,
2470                                       sizeof(dev->fsa_dev[cid].sense_data),
2471                                       SCSI_SENSE_BUFFERSIZE));
2472                         scsicmd->scsi_done(scsicmd);
2473                         return 0;
2474         }
2475 }
2476
2477 static int query_disk(struct aac_dev *dev, void __user *arg)
2478 {
2479         struct aac_query_disk qd;
2480         struct fsa_dev_info *fsa_dev_ptr;
2481
2482         fsa_dev_ptr = dev->fsa_dev;
2483         if (!fsa_dev_ptr)
2484                 return -EBUSY;
2485         if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
2486                 return -EFAULT;
2487         if (qd.cnum == -1)
2488                 qd.cnum = qd.id;
2489         else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
2490         {
2491                 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
2492                         return -EINVAL;
2493                 qd.instance = dev->scsi_host_ptr->host_no;
2494                 qd.bus = 0;
2495                 qd.id = CONTAINER_TO_ID(qd.cnum);
2496                 qd.lun = CONTAINER_TO_LUN(qd.cnum);
2497         }
2498         else return -EINVAL;
2499
2500         qd.valid = fsa_dev_ptr[qd.cnum].valid != 0;
2501         qd.locked = fsa_dev_ptr[qd.cnum].locked;
2502         qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
2503
2504         if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
2505                 qd.unmapped = 1;
2506         else
2507                 qd.unmapped = 0;
2508
2509         strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
2510           min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
2511
2512         if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
2513                 return -EFAULT;
2514         return 0;
2515 }
2516
2517 static int force_delete_disk(struct aac_dev *dev, void __user *arg)
2518 {
2519         struct aac_delete_disk dd;
2520         struct fsa_dev_info *fsa_dev_ptr;
2521
2522         fsa_dev_ptr = dev->fsa_dev;
2523         if (!fsa_dev_ptr)
2524                 return -EBUSY;
2525
2526         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2527                 return -EFAULT;
2528
2529         if (dd.cnum >= dev->maximum_num_containers)
2530                 return -EINVAL;
2531         /*
2532          *      Mark this container as being deleted.
2533          */
2534         fsa_dev_ptr[dd.cnum].deleted = 1;
2535         /*
2536          *      Mark the container as no longer valid
2537          */
2538         fsa_dev_ptr[dd.cnum].valid = 0;
2539         return 0;
2540 }
2541
2542 static int delete_disk(struct aac_dev *dev, void __user *arg)
2543 {
2544         struct aac_delete_disk dd;
2545         struct fsa_dev_info *fsa_dev_ptr;
2546
2547         fsa_dev_ptr = dev->fsa_dev;
2548         if (!fsa_dev_ptr)
2549                 return -EBUSY;
2550
2551         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2552                 return -EFAULT;
2553
2554         if (dd.cnum >= dev->maximum_num_containers)
2555                 return -EINVAL;
2556         /*
2557          *      If the container is locked, it can not be deleted by the API.
2558          */
2559         if (fsa_dev_ptr[dd.cnum].locked)
2560                 return -EBUSY;
2561         else {
2562                 /*
2563                  *      Mark the container as no longer being valid.
2564                  */
2565                 fsa_dev_ptr[dd.cnum].valid = 0;
2566                 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
2567                 return 0;
2568         }
2569 }
2570
2571 int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
2572 {
2573         switch (cmd) {
2574         case FSACTL_QUERY_DISK:
2575                 return query_disk(dev, arg);
2576         case FSACTL_DELETE_DISK:
2577                 return delete_disk(dev, arg);
2578         case FSACTL_FORCE_DELETE_DISK:
2579                 return force_delete_disk(dev, arg);
2580         case FSACTL_GET_CONTAINERS:
2581                 return aac_get_containers(dev);
2582         default:
2583                 return -ENOTTY;
2584         }
2585 }
2586
2587 /**
2588  *
2589  * aac_srb_callback
2590  * @context: the context set in the fib - here it is scsi cmd
2591  * @fibptr: pointer to the fib
2592  *
2593  * Handles the completion of a scsi command to a non dasd device
2594  *
2595  */
2596
2597 static void aac_srb_callback(void *context, struct fib * fibptr)
2598 {
2599         struct aac_dev *dev;
2600         struct aac_srb_reply *srbreply;
2601         struct scsi_cmnd *scsicmd;
2602
2603         scsicmd = (struct scsi_cmnd *) context;
2604
2605         if (!aac_valid_context(scsicmd, fibptr))
2606                 return;
2607
2608         BUG_ON(fibptr == NULL);
2609
2610         dev = fibptr->dev;
2611
2612         srbreply = (struct aac_srb_reply *) fib_data(fibptr);
2613
2614         scsicmd->sense_buffer[0] = '\0';  /* Initialize sense valid flag to false */
2615         /*
2616          *      Calculate resid for sg
2617          */
2618
2619         scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
2620                        - le32_to_cpu(srbreply->data_xfer_length));
2621
2622         scsi_dma_unmap(scsicmd);
2623
2624         /* expose physical device if expose_physicald flag is on */
2625         if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01)
2626           && expose_physicals > 0)
2627                 aac_expose_phy_device(scsicmd);
2628
2629         /*
2630          * First check the fib status
2631          */
2632
2633         if (le32_to_cpu(srbreply->status) != ST_OK){
2634                 int len;
2635                 printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
2636                 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
2637                             SCSI_SENSE_BUFFERSIZE);
2638                 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2639                 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2640         }
2641
2642         /*
2643          * Next check the srb status
2644          */
2645         switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
2646         case SRB_STATUS_ERROR_RECOVERY:
2647         case SRB_STATUS_PENDING:
2648         case SRB_STATUS_SUCCESS:
2649                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2650                 break;
2651         case SRB_STATUS_DATA_OVERRUN:
2652                 switch(scsicmd->cmnd[0]){
2653                 case  READ_6:
2654                 case  WRITE_6:
2655                 case  READ_10:
2656                 case  WRITE_10:
2657                 case  READ_12:
2658                 case  WRITE_12:
2659                 case  READ_16:
2660                 case  WRITE_16:
2661                         if (le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow) {
2662                                 printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
2663                         } else {
2664                                 printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
2665                         }
2666                         scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2667                         break;
2668                 case INQUIRY: {
2669                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2670                         break;
2671                 }
2672                 default:
2673                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2674                         break;
2675                 }
2676                 break;
2677         case SRB_STATUS_ABORTED:
2678                 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
2679                 break;
2680         case SRB_STATUS_ABORT_FAILED:
2681                 // Not sure about this one - but assuming the hba was trying to abort for some reason
2682                 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
2683                 break;
2684         case SRB_STATUS_PARITY_ERROR:
2685                 scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
2686                 break;
2687         case SRB_STATUS_NO_DEVICE:
2688         case SRB_STATUS_INVALID_PATH_ID:
2689         case SRB_STATUS_INVALID_TARGET_ID:
2690         case SRB_STATUS_INVALID_LUN:
2691         case SRB_STATUS_SELECTION_TIMEOUT:
2692                 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
2693                 break;
2694
2695         case SRB_STATUS_COMMAND_TIMEOUT:
2696         case SRB_STATUS_TIMEOUT:
2697                 scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
2698                 break;
2699
2700         case SRB_STATUS_BUSY:
2701                 scsicmd->result = DID_BUS_BUSY << 16 | COMMAND_COMPLETE << 8;
2702                 break;
2703
2704         case SRB_STATUS_BUS_RESET:
2705                 scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
2706                 break;
2707
2708         case SRB_STATUS_MESSAGE_REJECTED:
2709                 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
2710                 break;
2711         case SRB_STATUS_REQUEST_FLUSHED:
2712         case SRB_STATUS_ERROR:
2713         case SRB_STATUS_INVALID_REQUEST:
2714         case SRB_STATUS_REQUEST_SENSE_FAILED:
2715         case SRB_STATUS_NO_HBA:
2716         case SRB_STATUS_UNEXPECTED_BUS_FREE:
2717         case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
2718         case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
2719         case SRB_STATUS_DELAYED_RETRY:
2720         case SRB_STATUS_BAD_FUNCTION:
2721         case SRB_STATUS_NOT_STARTED:
2722         case SRB_STATUS_NOT_IN_USE:
2723         case SRB_STATUS_FORCE_ABORT:
2724         case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
2725         default:
2726 #ifdef AAC_DETAILED_STATUS_INFO
2727                 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
2728                         le32_to_cpu(srbreply->srb_status) & 0x3F,
2729                         aac_get_status_string(
2730                                 le32_to_cpu(srbreply->srb_status) & 0x3F),
2731                         scsicmd->cmnd[0],
2732                         le32_to_cpu(srbreply->scsi_status));
2733 #endif
2734                 if ((scsicmd->cmnd[0] == ATA_12)
2735                   || (scsicmd->cmnd[0] == ATA_16)) {
2736                         if (scsicmd->cmnd[2] & (0x01 << 5)) {
2737                                 scsicmd->result = DID_OK << 16
2738                                                 | COMMAND_COMPLETE << 8;
2739                                 break;
2740                         } else {
2741                                 scsicmd->result = DID_ERROR << 16
2742                                                 | COMMAND_COMPLETE << 8;
2743                                 break;
2744                         }
2745                 } else {
2746                         scsicmd->result = DID_ERROR << 16
2747                                         | COMMAND_COMPLETE << 8;
2748                         break;
2749                 }
2750         }
2751         if (le32_to_cpu(srbreply->scsi_status) == SAM_STAT_CHECK_CONDITION) {
2752                 int len;
2753                 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
2754                 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
2755                             SCSI_SENSE_BUFFERSIZE);
2756 #ifdef AAC_DETAILED_STATUS_INFO
2757                 printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
2758                                         le32_to_cpu(srbreply->status), len);
2759 #endif
2760                 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2761         }
2762         /*
2763          * OR in the scsi status (already shifted up a bit)
2764          */
2765         scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
2766
2767         aac_fib_complete(fibptr);
2768         aac_fib_free(fibptr);
2769         scsicmd->scsi_done(scsicmd);
2770 }
2771
2772 /**
2773  *
2774  * aac_send_scb_fib
2775  * @scsicmd: the scsi command block
2776  *
2777  * This routine will form a FIB and fill in the aac_srb from the
2778  * scsicmd passed in.
2779  */
2780
2781 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
2782 {
2783         struct fib* cmd_fibcontext;
2784         struct aac_dev* dev;
2785         int status;
2786
2787         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2788         if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
2789                         scsicmd->device->lun > 7) {
2790                 scsicmd->result = DID_NO_CONNECT << 16;
2791                 scsicmd->scsi_done(scsicmd);
2792                 return 0;
2793         }
2794
2795         /*
2796          *      Allocate and initialize a Fib then setup a BlockWrite command
2797          */
2798         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
2799                 return -1;
2800         }
2801         status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
2802
2803         /*
2804          *      Check that the command queued to the controller
2805          */
2806         if (status == -EINPROGRESS) {
2807                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2808                 return 0;
2809         }
2810
2811         printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
2812         aac_fib_complete(cmd_fibcontext);
2813         aac_fib_free(cmd_fibcontext);
2814
2815         return -1;
2816 }
2817
2818 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
2819 {
2820         struct aac_dev *dev;
2821         unsigned long byte_count = 0;
2822         int nseg;
2823
2824         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2825         // Get rid of old data
2826         psg->count = 0;
2827         psg->sg[0].addr = 0;
2828         psg->sg[0].count = 0;
2829
2830         nseg = scsi_dma_map(scsicmd);
2831         BUG_ON(nseg < 0);
2832         if (nseg) {
2833                 struct scatterlist *sg;
2834                 int i;
2835
2836                 psg->count = cpu_to_le32(nseg);
2837
2838                 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2839                         psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
2840                         psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
2841                         byte_count += sg_dma_len(sg);
2842                 }
2843                 /* hba wants the size to be exact */
2844                 if (byte_count > scsi_bufflen(scsicmd)) {
2845                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2846                                 (byte_count - scsi_bufflen(scsicmd));
2847                         psg->sg[i-1].count = cpu_to_le32(temp);
2848                         byte_count = scsi_bufflen(scsicmd);
2849                 }
2850                 /* Check for command underflow */
2851                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2852                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2853                                         byte_count, scsicmd->underflow);
2854                 }
2855         }
2856         return byte_count;
2857 }
2858
2859
2860 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg)
2861 {
2862         struct aac_dev *dev;
2863         unsigned long byte_count = 0;
2864         u64 addr;
2865         int nseg;
2866
2867         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2868         // Get rid of old data
2869         psg->count = 0;
2870         psg->sg[0].addr[0] = 0;
2871         psg->sg[0].addr[1] = 0;
2872         psg->sg[0].count = 0;
2873
2874         nseg = scsi_dma_map(scsicmd);
2875         BUG_ON(nseg < 0);
2876         if (nseg) {
2877                 struct scatterlist *sg;
2878                 int i;
2879
2880                 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2881                         int count = sg_dma_len(sg);
2882                         addr = sg_dma_address(sg);
2883                         psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
2884                         psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
2885                         psg->sg[i].count = cpu_to_le32(count);
2886                         byte_count += count;
2887                 }
2888                 psg->count = cpu_to_le32(nseg);
2889                 /* hba wants the size to be exact */
2890                 if (byte_count > scsi_bufflen(scsicmd)) {
2891                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2892                                 (byte_count - scsi_bufflen(scsicmd));
2893                         psg->sg[i-1].count = cpu_to_le32(temp);
2894                         byte_count = scsi_bufflen(scsicmd);
2895                 }
2896                 /* Check for command underflow */
2897                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2898                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2899                                         byte_count, scsicmd->underflow);
2900                 }
2901         }
2902         return byte_count;
2903 }
2904
2905 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg)
2906 {
2907         unsigned long byte_count = 0;
2908         int nseg;
2909
2910         // Get rid of old data
2911         psg->count = 0;
2912         psg->sg[0].next = 0;
2913         psg->sg[0].prev = 0;
2914         psg->sg[0].addr[0] = 0;
2915         psg->sg[0].addr[1] = 0;
2916         psg->sg[0].count = 0;
2917         psg->sg[0].flags = 0;
2918
2919         nseg = scsi_dma_map(scsicmd);
2920         BUG_ON(nseg < 0);
2921         if (nseg) {
2922                 struct scatterlist *sg;
2923                 int i;
2924
2925                 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2926                         int count = sg_dma_len(sg);
2927                         u64 addr = sg_dma_address(sg);
2928                         psg->sg[i].next = 0;
2929                         psg->sg[i].prev = 0;
2930                         psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
2931                         psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2932                         psg->sg[i].count = cpu_to_le32(count);
2933                         psg->sg[i].flags = 0;
2934                         byte_count += count;
2935                 }
2936                 psg->count = cpu_to_le32(nseg);
2937                 /* hba wants the size to be exact */
2938                 if (byte_count > scsi_bufflen(scsicmd)) {
2939                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2940                                 (byte_count - scsi_bufflen(scsicmd));
2941                         psg->sg[i-1].count = cpu_to_le32(temp);
2942                         byte_count = scsi_bufflen(scsicmd);
2943                 }
2944                 /* Check for command underflow */
2945                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2946                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2947                                         byte_count, scsicmd->underflow);
2948                 }
2949         }
2950         return byte_count;
2951 }
2952
2953 #ifdef AAC_DETAILED_STATUS_INFO
2954
2955 struct aac_srb_status_info {
2956         u32     status;
2957         char    *str;
2958 };
2959
2960
2961 static struct aac_srb_status_info srb_status_info[] = {
2962         { SRB_STATUS_PENDING,           "Pending Status"},
2963         { SRB_STATUS_SUCCESS,           "Success"},
2964         { SRB_STATUS_ABORTED,           "Aborted Command"},
2965         { SRB_STATUS_ABORT_FAILED,      "Abort Failed"},
2966         { SRB_STATUS_ERROR,             "Error Event"},
2967         { SRB_STATUS_BUSY,              "Device Busy"},
2968         { SRB_STATUS_INVALID_REQUEST,   "Invalid Request"},
2969         { SRB_STATUS_INVALID_PATH_ID,   "Invalid Path ID"},
2970         { SRB_STATUS_NO_DEVICE,         "No Device"},
2971         { SRB_STATUS_TIMEOUT,           "Timeout"},
2972         { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
2973         { SRB_STATUS_COMMAND_TIMEOUT,   "Command Timeout"},
2974         { SRB_STATUS_MESSAGE_REJECTED,  "Message Rejected"},
2975         { SRB_STATUS_BUS_RESET,         "Bus Reset"},
2976         { SRB_STATUS_PARITY_ERROR,      "Parity Error"},
2977         { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
2978         { SRB_STATUS_NO_HBA,            "No HBA"},
2979         { SRB_STATUS_DATA_OVERRUN,      "Data Overrun/Data Underrun"},
2980         { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
2981         { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
2982         { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
2983         { SRB_STATUS_REQUEST_FLUSHED,   "Request Flushed"},
2984         { SRB_STATUS_DELAYED_RETRY,     "Delayed Retry"},
2985         { SRB_STATUS_INVALID_LUN,       "Invalid LUN"},
2986         { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
2987         { SRB_STATUS_BAD_FUNCTION,      "Bad Function"},
2988         { SRB_STATUS_ERROR_RECOVERY,    "Error Recovery"},
2989         { SRB_STATUS_NOT_STARTED,       "Not Started"},
2990         { SRB_STATUS_NOT_IN_USE,        "Not In Use"},
2991         { SRB_STATUS_FORCE_ABORT,       "Force Abort"},
2992         { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
2993         { 0xff,                         "Unknown Error"}
2994 };
2995
2996 char *aac_get_status_string(u32 status)
2997 {
2998         int i;
2999
3000         for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
3001                 if (srb_status_info[i].status == status)
3002                         return srb_status_info[i].str;
3003
3004         return "Bad Status Code";
3005 }
3006
3007 #endif