SAFE public projects git trees. - safe/jmp/linux-2.6/blob - 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) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2, or (at your option)
  13  * any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; see the file COPYING.  If not, write to
  22  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  23  *
  24  */
  25
  26 #include <linux/kernel.h>
  27 #include <linux/init.h>
  28 #include <linux/types.h>
  29 #include <linux/pci.h>
  30 #include <linux/spinlock.h>
  31 #include <linux/slab.h>
  32 #include <linux/completion.h>
  33 #include <linux/blkdev.h>
  34 #include <asm/uaccess.h>
  35 #include <linux/highmem.h> /* For flush_kernel_dcache_page */
  36
  37 #include <scsi/scsi.h>
  38 #include <scsi/scsi_cmnd.h>
  39 #include <scsi/scsi_device.h>
  40 #include <scsi/scsi_host.h>
  41
  42 #include "aacraid.h"
  43
  44 /* values for inqd_pdt: Peripheral device type in plain English */
  45 #define INQD_PDT_DA     0x00    /* Direct-access (DISK) device */
  46 #define INQD_PDT_PROC   0x03    /* Processor device */
  47 #define INQD_PDT_CHNGR  0x08    /* Changer (jukebox, scsi2) */
  48 #define INQD_PDT_COMM   0x09    /* Communication device (scsi2) */
  49 #define INQD_PDT_NOLUN2 0x1f    /* Unknown Device (scsi2) */
  50 #define INQD_PDT_NOLUN  0x7f    /* Logical Unit Not Present */
  51
  52 #define INQD_PDT_DMASK  0x1F    /* Peripheral Device Type Mask */
  53 #define INQD_PDT_QMASK  0xE0    /* Peripheral Device Qualifer Mask */
  54
  55 /*
  56  *      Sense codes
  57  */
  58
  59 #define SENCODE_NO_SENSE                        0x00
  60 #define SENCODE_END_OF_DATA                     0x00
  61 #define SENCODE_BECOMING_READY                  0x04
  62 #define SENCODE_INIT_CMD_REQUIRED               0x04
  63 #define SENCODE_PARAM_LIST_LENGTH_ERROR         0x1A
  64 #define SENCODE_INVALID_COMMAND                 0x20
  65 #define SENCODE_LBA_OUT_OF_RANGE                0x21
  66 #define SENCODE_INVALID_CDB_FIELD               0x24
  67 #define SENCODE_LUN_NOT_SUPPORTED               0x25
  68 #define SENCODE_INVALID_PARAM_FIELD             0x26
  69 #define SENCODE_PARAM_NOT_SUPPORTED             0x26
  70 #define SENCODE_PARAM_VALUE_INVALID             0x26
  71 #define SENCODE_RESET_OCCURRED                  0x29
  72 #define SENCODE_LUN_NOT_SELF_CONFIGURED_YET     0x3E
  73 #define SENCODE_INQUIRY_DATA_CHANGED            0x3F
  74 #define SENCODE_SAVING_PARAMS_NOT_SUPPORTED     0x39
  75 #define SENCODE_DIAGNOSTIC_FAILURE              0x40
  76 #define SENCODE_INTERNAL_TARGET_FAILURE         0x44
  77 #define SENCODE_INVALID_MESSAGE_ERROR           0x49
  78 #define SENCODE_LUN_FAILED_SELF_CONFIG          0x4c
  79 #define SENCODE_OVERLAPPED_COMMAND              0x4E
  80
  81 /*
  82  *      Additional sense codes
  83  */
  84
  85 #define ASENCODE_NO_SENSE                       0x00
  86 #define ASENCODE_END_OF_DATA                    0x05
  87 #define ASENCODE_BECOMING_READY                 0x01
  88 #define ASENCODE_INIT_CMD_REQUIRED              0x02
  89 #define ASENCODE_PARAM_LIST_LENGTH_ERROR        0x00
  90 #define ASENCODE_INVALID_COMMAND                0x00
  91 #define ASENCODE_LBA_OUT_OF_RANGE               0x00
  92 #define ASENCODE_INVALID_CDB_FIELD              0x00
  93 #define ASENCODE_LUN_NOT_SUPPORTED              0x00
  94 #define ASENCODE_INVALID_PARAM_FIELD            0x00
  95 #define ASENCODE_PARAM_NOT_SUPPORTED            0x01
  96 #define ASENCODE_PARAM_VALUE_INVALID            0x02
  97 #define ASENCODE_RESET_OCCURRED                 0x00
  98 #define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET    0x00
  99 #define ASENCODE_INQUIRY_DATA_CHANGED           0x03
 100 #define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED    0x00
 101 #define ASENCODE_DIAGNOSTIC_FAILURE             0x80
 102 #define ASENCODE_INTERNAL_TARGET_FAILURE        0x00
 103 #define ASENCODE_INVALID_MESSAGE_ERROR          0x00
 104 #define ASENCODE_LUN_FAILED_SELF_CONFIG         0x00
 105 #define ASENCODE_OVERLAPPED_COMMAND             0x00
 106
 107 #define BYTE0(x) (unsigned char)(x)
 108 #define BYTE1(x) (unsigned char)((x) >> 8)
 109 #define BYTE2(x) (unsigned char)((x) >> 16)
 110 #define BYTE3(x) (unsigned char)((x) >> 24)
 111
 112 /*------------------------------------------------------------------------------
 113  *              S T R U C T S / T Y P E D E F S
 114  *----------------------------------------------------------------------------*/
 115 /* SCSI inquiry data */
 116 struct inquiry_data {
 117         u8 inqd_pdt;    /* Peripheral qualifier | Peripheral Device Type */
 118         u8 inqd_dtq;    /* RMB | Device Type Qualifier */
 119         u8 inqd_ver;    /* ISO version | ECMA version | ANSI-approved version */
 120         u8 inqd_rdf;    /* AENC | TrmIOP | Response data format */
 121         u8 inqd_len;    /* Additional length (n-4) */
 122         u8 inqd_pad1[2];/* Reserved - must be zero */
 123         u8 inqd_pad2;   /* RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
 124         u8 inqd_vid[8]; /* Vendor ID */
 125         u8 inqd_pid[16];/* Product ID */
 126         u8 inqd_prl[4]; /* Product Revision Level */
 127 };
 128
 129 /*
 130  *              M O D U L E   G L O B A L S
 131  */
 132
 133 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap);
 134 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg);
 135 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg);
 136 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
 137 #ifdef AAC_DETAILED_STATUS_INFO
 138 static char *aac_get_status_string(u32 status);
 139 #endif
 140
 141 /*
 142  *      Non dasd selection is handled entirely in aachba now
 143  */
 144
 145 static int nondasd = -1;
 146 static int aac_cache = 2;       /* WCE=0 to avoid performance problems */
 147 static int dacmode = -1;
 148 int aac_msi;
 149 int aac_commit = -1;
 150 int startup_timeout = 180;
 151 int aif_timeout = 120;
 152
 153 module_param(nondasd, int, S_IRUGO|S_IWUSR);
 154 MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices."
 155         " 0=off, 1=on");
 156 module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR);
 157 MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n"
 158         "\tbit 0 - Disable FUA in WRITE SCSI commands\n"
 159         "\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n"
 160         "\tbit 2 - Disable only if Battery is protecting Cache");
 161 module_param(dacmode, int, S_IRUGO|S_IWUSR);
 162 MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC."
 163         " 0=off, 1=on");
 164 module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
 165 MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the"
 166         " adapter for foreign arrays.\n"
 167         "This is typically needed in systems that do not have a BIOS."
 168         " 0=off, 1=on");
 169 module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR);
 170 MODULE_PARM_DESC(msi, "IRQ handling."
 171         " 0=PIC(default), 1=MSI, 2=MSI-X(unsupported, uses MSI)");
 172 module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
 173 MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for"
 174         " adapter to have it's kernel up and\n"
 175         "running. This is typically adjusted for large systems that do not"
 176         " have a BIOS.");
 177 module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
 178 MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for"
 179         " applications to pick up AIFs before\n"
 180         "deregistering them. This is typically adjusted for heavily burdened"
 181         " systems.");
 182
 183 int numacb = -1;
 184 module_param(numacb, int, S_IRUGO|S_IWUSR);
 185 MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control"
 186         " blocks (FIB) allocated. Valid values are 512 and down. Default is"
 187         " to use suggestion from Firmware.");
 188
 189 int acbsize = -1;
 190 module_param(acbsize, int, S_IRUGO|S_IWUSR);
 191 MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB)"
 192         " size. Valid values are 512, 2048, 4096 and 8192. Default is to use"
 193         " suggestion from Firmware.");
 194
 195 int update_interval = 30 * 60;
 196 module_param(update_interval, int, S_IRUGO|S_IWUSR);
 197 MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync"
 198         " updates issued to adapter.");
 199
 200 int check_interval = 24 * 60 * 60;
 201 module_param(check_interval, int, S_IRUGO|S_IWUSR);
 202 MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
 203         " checks.");
 204
 205 int aac_check_reset = 1;
 206 module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
 207 MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the"
 208         " adapter. a value of -1 forces the reset to adapters programmed to"
 209         " ignore it.");
 210
 211 int expose_physicals = -1;
 212 module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
 213 MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays."
 214         " -1=protect 0=off, 1=on");
 215
 216 int aac_reset_devices;
 217 module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
 218 MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
 219
 220 int aac_wwn = 1;
 221 module_param_named(wwn, aac_wwn, int, S_IRUGO|S_IWUSR);
 222 MODULE_PARM_DESC(wwn, "Select a WWN type for the arrays:\n"
 223         "\t0 - Disable\n"
 224         "\t1 - Array Meta Data Signature (default)\n"
 225         "\t2 - Adapter Serial Number");
 226
 227
 228 static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
 229                 struct fib *fibptr) {
 230         struct scsi_device *device;
 231
 232         if (unlikely(!scsicmd || !scsicmd->scsi_done)) {
 233                 dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"));
 234                 aac_fib_complete(fibptr);
 235                 aac_fib_free(fibptr);
 236                 return 0;
 237         }
 238         scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
 239         device = scsicmd->device;
 240         if (unlikely(!device || !scsi_device_online(device))) {
 241                 dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
 242                 aac_fib_complete(fibptr);
 243                 aac_fib_free(fibptr);
 244                 return 0;
 245         }
 246         return 1;
 247 }
 248
 249 /**
 250  *      aac_get_config_status   -       check the adapter configuration
 251  *      @common: adapter to query
 252  *
 253  *      Query config status, and commit the configuration if needed.
 254  */
 255 int aac_get_config_status(struct aac_dev *dev, int commit_flag)
 256 {
 257         int status = 0;
 258         struct fib * fibptr;
 259
 260         if (!(fibptr = aac_fib_alloc(dev)))
 261                 return -ENOMEM;
 262
 263         aac_fib_init(fibptr);
 264         {
 265                 struct aac_get_config_status *dinfo;
 266                 dinfo = (struct aac_get_config_status *) fib_data(fibptr);
 267
 268                 dinfo->command = cpu_to_le32(VM_ContainerConfig);
 269                 dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
 270                 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
 271         }
 272
 273         status = aac_fib_send(ContainerCommand,
 274                             fibptr,
 275                             sizeof (struct aac_get_config_status),
 276                             FsaNormal,
 277                             1, 1,
 278                             NULL, NULL);
 279         if (status < 0) {
 280                 printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
 281         } else {
 282                 struct aac_get_config_status_resp *reply
 283                   = (struct aac_get_config_status_resp *) fib_data(fibptr);
 284                 dprintk((KERN_WARNING
 285                   "aac_get_config_status: response=%d status=%d action=%d\n",
 286                   le32_to_cpu(reply->response),
 287                   le32_to_cpu(reply->status),
 288                   le32_to_cpu(reply->data.action)));
 289                 if ((le32_to_cpu(reply->response) != ST_OK) ||
 290                      (le32_to_cpu(reply->status) != CT_OK) ||
 291                      (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
 292                         printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
 293                         status = -EINVAL;
 294                 }
 295         }
 296         aac_fib_complete(fibptr);
 297         /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
 298         if (status >= 0) {
 299                 if ((aac_commit == 1) || commit_flag) {
 300                         struct aac_commit_config * dinfo;
 301                         aac_fib_init(fibptr);
 302                         dinfo = (struct aac_commit_config *) fib_data(fibptr);
 303
 304                         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 305                         dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
 306
 307                         status = aac_fib_send(ContainerCommand,
 308                                     fibptr,
 309                                     sizeof (struct aac_commit_config),
 310                                     FsaNormal,
 311                                     1, 1,
 312                                     NULL, NULL);
 313                         aac_fib_complete(fibptr);
 314                 } else if (aac_commit == 0) {
 315                         printk(KERN_WARNING
 316                           "aac_get_config_status: Foreign device configurations are being ignored\n");
 317                 }
 318         }
 319         aac_fib_free(fibptr);
 320         return status;
 321 }
 322
 323 /**
 324  *      aac_get_containers      -       list containers
 325  *      @common: adapter to probe
 326  *
 327  *      Make a list of all containers on this controller
 328  */
 329 int aac_get_containers(struct aac_dev *dev)
 330 {
 331         struct fsa_dev_info *fsa_dev_ptr;
 332         u32 index;
 333         int status = 0;
 334         struct fib * fibptr;
 335         struct aac_get_container_count *dinfo;
 336         struct aac_get_container_count_resp *dresp;
 337         int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 338
 339         if (!(fibptr = aac_fib_alloc(dev)))
 340                 return -ENOMEM;
 341
 342         aac_fib_init(fibptr);
 343         dinfo = (struct aac_get_container_count *) fib_data(fibptr);
 344         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 345         dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
 346
 347         status = aac_fib_send(ContainerCommand,
 348                     fibptr,
 349                     sizeof (struct aac_get_container_count),
 350                     FsaNormal,
 351                     1, 1,
 352                     NULL, NULL);
 353         if (status >= 0) {
 354                 dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
 355                 maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
 356                 aac_fib_complete(fibptr);
 357         }
 358         aac_fib_free(fibptr);
 359
 360         if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
 361                 maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 362         fsa_dev_ptr = kzalloc(sizeof(*fsa_dev_ptr) * maximum_num_containers,
 363                         GFP_KERNEL);
 364         if (!fsa_dev_ptr)
 365                 return -ENOMEM;
 366
 367         dev->fsa_dev = fsa_dev_ptr;
 368         dev->maximum_num_containers = maximum_num_containers;
 369
 370         for (index = 0; index < dev->maximum_num_containers; ) {
 371                 fsa_dev_ptr[index].devname[0] = '\0';
 372
 373                 status = aac_probe_container(dev, index);
 374
 375                 if (status < 0) {
 376                         printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
 377                         break;
 378                 }
 379
 380                 /*
 381                  *      If there are no more containers, then stop asking.
 382                  */
 383                 if (++index >= status)
 384                         break;
 385         }
 386         return status;
 387 }
 388
 389 static void get_container_name_callback(void *context, struct fib * fibptr)
 390 {
 391         struct aac_get_name_resp * get_name_reply;
 392         struct scsi_cmnd * scsicmd;
 393
 394         scsicmd = (struct scsi_cmnd *) context;
 395
 396         if (!aac_valid_context(scsicmd, fibptr))
 397                 return;
 398
 399         dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
 400         BUG_ON(fibptr == NULL);
 401
 402         get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
 403         /* Failure is irrelevant, using default value instead */
 404         if ((le32_to_cpu(get_name_reply->status) == CT_OK)
 405          && (get_name_reply->data[0] != '\0')) {
 406                 char *sp = get_name_reply->data;
 407                 sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0';
 408                 while (*sp == ' ')
 409                         ++sp;
 410                 if (*sp) {
 411                         struct inquiry_data inq;
 412                         char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
 413                         int count = sizeof(d);
 414                         char *dp = d;
 415                         do {
 416                                 *dp++ = (*sp) ? *sp++ : ' ';
 417                         } while (--count > 0);
 418
 419                         scsi_sg_copy_to_buffer(scsicmd, &inq, sizeof(inq));
 420                         memcpy(inq.inqd_pid, d, sizeof(d));
 421                         scsi_sg_copy_from_buffer(scsicmd, &inq, sizeof(inq));
 422                 }
 423         }
 424
 425         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 426
 427         aac_fib_complete(fibptr);
 428         aac_fib_free(fibptr);
 429         scsicmd->scsi_done(scsicmd);
 430 }
 431
 432 /**
 433  *      aac_get_container_name  -       get container name, none blocking.
 434  */
 435 static int aac_get_container_name(struct scsi_cmnd * scsicmd)
 436 {
 437         int status;
 438         struct aac_get_name *dinfo;
 439         struct fib * cmd_fibcontext;
 440         struct aac_dev * dev;
 441
 442         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 443
 444         if (!(cmd_fibcontext = aac_fib_alloc(dev)))
 445                 return -ENOMEM;
 446
 447         aac_fib_init(cmd_fibcontext);
 448         dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
 449
 450         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 451         dinfo->type = cpu_to_le32(CT_READ_NAME);
 452         dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
 453         dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));
 454
 455         status = aac_fib_send(ContainerCommand,
 456                   cmd_fibcontext,
 457                   sizeof (struct aac_get_name),
 458                   FsaNormal,
 459                   0, 1,
 460                   (fib_callback)get_container_name_callback,
 461                   (void *) scsicmd);
 462
 463         /*
 464          *      Check that the command queued to the controller
 465          */
 466         if (status == -EINPROGRESS) {
 467                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 468                 return 0;
 469         }
 470
 471         printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
 472         aac_fib_complete(cmd_fibcontext);
 473         aac_fib_free(cmd_fibcontext);
 474         return -1;
 475 }
 476
 477 static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
 478 {
 479         struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 480
 481         if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1))
 482                 return aac_scsi_cmd(scsicmd);
 483
 484         scsicmd->result = DID_NO_CONNECT << 16;
 485         scsicmd->scsi_done(scsicmd);
 486         return 0;
 487 }
 488
 489 static void _aac_probe_container2(void * context, struct fib * fibptr)
 490 {
 491         struct fsa_dev_info *fsa_dev_ptr;
 492         int (*callback)(struct scsi_cmnd *);
 493         struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context;
 494
 495
 496         if (!aac_valid_context(scsicmd, fibptr))
 497                 return;
 498
 499         scsicmd->SCp.Status = 0;
 500         fsa_dev_ptr = fibptr->dev->fsa_dev;
 501         if (fsa_dev_ptr) {
 502                 struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
 503                 fsa_dev_ptr += scmd_id(scsicmd);
 504
 505                 if ((le32_to_cpu(dresp->status) == ST_OK) &&
 506                     (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
 507                     (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
 508                         fsa_dev_ptr->valid = 1;
 509                         /* sense_key holds the current state of the spin-up */
 510                         if (dresp->mnt[0].state & cpu_to_le32(FSCS_NOT_READY))
 511                                 fsa_dev_ptr->sense_data.sense_key = NOT_READY;
 512                         else if (fsa_dev_ptr->sense_data.sense_key == NOT_READY)
 513                                 fsa_dev_ptr->sense_data.sense_key = NO_SENSE;
 514                         fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
 515                         fsa_dev_ptr->size
 516                           = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
 517                             (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
 518                         fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0);
 519                 }
 520                 if ((fsa_dev_ptr->valid & 1) == 0)
 521                         fsa_dev_ptr->valid = 0;
 522                 scsicmd->SCp.Status = le32_to_cpu(dresp->count);
 523         }
 524         aac_fib_complete(fibptr);
 525         aac_fib_free(fibptr);
 526         callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr);
 527         scsicmd->SCp.ptr = NULL;
 528         (*callback)(scsicmd);
 529         return;
 530 }
 531
 532 static void _aac_probe_container1(void * context, struct fib * fibptr)
 533 {
 534         struct scsi_cmnd * scsicmd;
 535         struct aac_mount * dresp;
 536         struct aac_query_mount *dinfo;
 537         int status;
 538
 539         dresp = (struct aac_mount *) fib_data(fibptr);
 540         dresp->mnt[0].capacityhigh = 0;
 541         if ((le32_to_cpu(dresp->status) != ST_OK) ||
 542             (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
 543                 _aac_probe_container2(context, fibptr);
 544                 return;
 545         }
 546         scsicmd = (struct scsi_cmnd *) context;
 547
 548         if (!aac_valid_context(scsicmd, fibptr))
 549                 return;
 550
 551         aac_fib_init(fibptr);
 552
 553         dinfo = (struct aac_query_mount *)fib_data(fibptr);
 554
 555         dinfo->command = cpu_to_le32(VM_NameServe64);
 556         dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 557         dinfo->type = cpu_to_le32(FT_FILESYS);
 558
 559         status = aac_fib_send(ContainerCommand,
 560                           fibptr,
 561                           sizeof(struct aac_query_mount),
 562                           FsaNormal,
 563                           0, 1,
 564                           _aac_probe_container2,
 565                           (void *) scsicmd);
 566         /*
 567          *      Check that the command queued to the controller
 568          */
 569         if (status == -EINPROGRESS)
 570                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 571         else if (status < 0) {
 572                 /* Inherit results from VM_NameServe, if any */
 573                 dresp->status = cpu_to_le32(ST_OK);
 574                 _aac_probe_container2(context, fibptr);
 575         }
 576 }
 577
 578 static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
 579 {
 580         struct fib * fibptr;
 581         int status = -ENOMEM;
 582
 583         if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
 584                 struct aac_query_mount *dinfo;
 585
 586                 aac_fib_init(fibptr);
 587
 588                 dinfo = (struct aac_query_mount *)fib_data(fibptr);
 589
 590                 dinfo->command = cpu_to_le32(VM_NameServe);
 591                 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 592                 dinfo->type = cpu_to_le32(FT_FILESYS);
 593                 scsicmd->SCp.ptr = (char *)callback;
 594
 595                 status = aac_fib_send(ContainerCommand,
 596                           fibptr,
 597                           sizeof(struct aac_query_mount),
 598                           FsaNormal,
 599                           0, 1,
 600                           _aac_probe_container1,
 601                           (void *) scsicmd);
 602                 /*
 603                  *      Check that the command queued to the controller
 604                  */
 605                 if (status == -EINPROGRESS) {
 606                         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 607                         return 0;
 608                 }
 609                 if (status < 0) {
 610                         scsicmd->SCp.ptr = NULL;
 611                         aac_fib_complete(fibptr);
 612                         aac_fib_free(fibptr);
 613                 }
 614         }
 615         if (status < 0) {
 616                 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 617                 if (fsa_dev_ptr) {
 618                         fsa_dev_ptr += scmd_id(scsicmd);
 619                         if ((fsa_dev_ptr->valid & 1) == 0) {
 620                                 fsa_dev_ptr->valid = 0;
 621                                 return (*callback)(scsicmd);
 622                         }
 623                 }
 624         }
 625         return status;
 626 }
 627
 628 /**
 629  *      aac_probe_container             -       query a logical volume
 630  *      @dev: device to query
 631  *      @cid: container identifier
 632  *
 633  *      Queries the controller about the given volume. The volume information
 634  *      is updated in the struct fsa_dev_info structure rather than returned.
 635  */
 636 static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
 637 {
 638         scsicmd->device = NULL;
 639         return 0;
 640 }
 641
 642 int aac_probe_container(struct aac_dev *dev, int cid)
 643 {
 644         struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL);
 645         struct scsi_device *scsidev = kmalloc(sizeof(*scsidev), GFP_KERNEL);
 646         int status;
 647
 648         if (!scsicmd || !scsidev) {
 649                 kfree(scsicmd);
 650                 kfree(scsidev);
 651                 return -ENOMEM;
 652         }
 653         scsicmd->list.next = NULL;
 654         scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))aac_probe_container_callback1;
 655
 656         scsicmd->device = scsidev;
 657         scsidev->sdev_state = 0;
 658         scsidev->id = cid;
 659         scsidev->host = dev->scsi_host_ptr;
 660
 661         if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
 662                 while (scsicmd->device == scsidev)
 663                         schedule();
 664         kfree(scsidev);
 665         status = scsicmd->SCp.Status;
 666         kfree(scsicmd);
 667         return status;
 668 }
 669
 670 /* Local Structure to set SCSI inquiry data strings */
 671 struct scsi_inq {
 672         char vid[8];         /* Vendor ID */
 673         char pid[16];        /* Product ID */
 674         char prl[4];         /* Product Revision Level */
 675 };
 676
 677 /**
 678  *      InqStrCopy      -       string merge
 679  *      @a:     string to copy from
 680  *      @b:     string to copy to
 681  *
 682  *      Copy a String from one location to another
 683  *      without copying \0
 684  */
 685
 686 static void inqstrcpy(char *a, char *b)
 687 {
 688
 689         while (*a != (char)0)
 690                 *b++ = *a++;
 691 }
 692
 693 static char *container_types[] = {
 694         "None",
 695         "Volume",
 696         "Mirror",
 697         "Stripe",
 698         "RAID5",
 699         "SSRW",
 700         "SSRO",
 701         "Morph",
 702         "Legacy",
 703         "RAID4",
 704         "RAID10",
 705         "RAID00",
 706         "V-MIRRORS",
 707         "PSEUDO R4",
 708         "RAID50",
 709         "RAID5D",
 710         "RAID5D0",
 711         "RAID1E",
 712         "RAID6",
 713         "RAID60",
 714         "Unknown"
 715 };
 716
 717 char * get_container_type(unsigned tindex)
 718 {
 719         if (tindex >= ARRAY_SIZE(container_types))
 720                 tindex = ARRAY_SIZE(container_types) - 1;
 721         return container_types[tindex];
 722 }
 723
 724 /* Function: setinqstr
 725  *
 726  * Arguments: [1] pointer to void [1] int
 727  *
 728  * Purpose: Sets SCSI inquiry data strings for vendor, product
 729  * and revision level. Allows strings to be set in platform dependant
 730  * files instead of in OS dependant driver source.
 731  */
 732
 733 static void setinqstr(struct aac_dev *dev, void *data, int tindex)
 734 {
 735         struct scsi_inq *str;
 736
 737         str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
 738         memset(str, ' ', sizeof(*str));
 739
 740         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 741                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 742                 int c;
 743                 if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C'))
 744                         inqstrcpy("SMC", str->vid);
 745                 else {
 746                         c = sizeof(str->vid);
 747                         while (*cp && *cp != ' ' && --c)
 748                                 ++cp;
 749                         c = *cp;
 750                         *cp = '\0';
 751                         inqstrcpy (dev->supplement_adapter_info.AdapterTypeText,
 752                                    str->vid);
 753                         *cp = c;
 754                         while (*cp && *cp != ' ')
 755                                 ++cp;
 756                 }
 757                 while (*cp == ' ')
 758                         ++cp;
 759                 /* last six chars reserved for vol type */
 760                 c = 0;
 761                 if (strlen(cp) > sizeof(str->pid)) {
 762                         c = cp[sizeof(str->pid)];
 763                         cp[sizeof(str->pid)] = '\0';
 764                 }
 765                 inqstrcpy (cp, str->pid);
 766                 if (c)
 767                         cp[sizeof(str->pid)] = c;
 768         } else {
 769                 struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
 770
 771                 inqstrcpy (mp->vname, str->vid);
 772                 /* last six chars reserved for vol type */
 773                 inqstrcpy (mp->model, str->pid);
 774         }
 775
 776         if (tindex < ARRAY_SIZE(container_types)){
 777                 char *findit = str->pid;
 778
 779                 for ( ; *findit != ' '; findit++); /* walk till we find a space */
 780                 /* RAID is superfluous in the context of a RAID device */
 781                 if (memcmp(findit-4, "RAID", 4) == 0)
 782                         *(findit -= 4) = ' ';
 783                 if (((findit - str->pid) + strlen(container_types[tindex]))
 784                  < (sizeof(str->pid) + sizeof(str->prl)))
 785                         inqstrcpy (container_types[tindex], findit + 1);
 786         }
 787         inqstrcpy ("V1.0", str->prl);
 788 }
 789
 790 static void get_container_serial_callback(void *context, struct fib * fibptr)
 791 {
 792         struct aac_get_serial_resp * get_serial_reply;
 793         struct scsi_cmnd * scsicmd;
 794
 795         BUG_ON(fibptr == NULL);
 796
 797         scsicmd = (struct scsi_cmnd *) context;
 798         if (!aac_valid_context(scsicmd, fibptr))
 799                 return;
 800
 801         get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr);
 802         /* Failure is irrelevant, using default value instead */
 803         if (le32_to_cpu(get_serial_reply->status) == CT_OK) {
 804                 char sp[13];
 805                 /* EVPD bit set */
 806                 sp[0] = INQD_PDT_DA;
 807                 sp[1] = scsicmd->cmnd[2];
 808                 sp[2] = 0;
 809                 sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
 810                   le32_to_cpu(get_serial_reply->uid));
 811                 scsi_sg_copy_from_buffer(scsicmd, sp, sizeof(sp));
 812         }
 813
 814         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 815
 816         aac_fib_complete(fibptr);
 817         aac_fib_free(fibptr);
 818         scsicmd->scsi_done(scsicmd);
 819 }
 820
 821 /**
 822  *      aac_get_container_serial - get container serial, none blocking.
 823  */
 824 static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
 825 {
 826         int status;
 827         struct aac_get_serial *dinfo;
 828         struct fib * cmd_fibcontext;
 829         struct aac_dev * dev;
 830
 831         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 832
 833         if (!(cmd_fibcontext = aac_fib_alloc(dev)))
 834                 return -ENOMEM;
 835
 836         aac_fib_init(cmd_fibcontext);
 837         dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext);
 838
 839         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 840         dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID);
 841         dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
 842
 843         status = aac_fib_send(ContainerCommand,
 844                   cmd_fibcontext,
 845                   sizeof (struct aac_get_serial),
 846                   FsaNormal,
 847                   0, 1,
 848                   (fib_callback) get_container_serial_callback,
 849                   (void *) scsicmd);
 850
 851         /*
 852          *      Check that the command queued to the controller
 853          */
 854         if (status == -EINPROGRESS) {
 855                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 856                 return 0;
 857         }
 858
 859         printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status);
 860         aac_fib_complete(cmd_fibcontext);
 861         aac_fib_free(cmd_fibcontext);
 862         return -1;
 863 }
 864
 865 /* Function: setinqserial
 866  *
 867  * Arguments: [1] pointer to void [1] int
 868  *
 869  * Purpose: Sets SCSI Unit Serial number.
 870  *          This is a fake. We should read a proper
 871  *          serial number from the container. <SuSE>But
 872  *          without docs it's quite hard to do it :-)
 873  *          So this will have to do in the meantime.</SuSE>
 874  */
 875
 876 static int setinqserial(struct aac_dev *dev, void *data, int cid)
 877 {
 878         /*
 879          *      This breaks array migration.
 880          */
 881         return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X",
 882                         le32_to_cpu(dev->adapter_info.serial[0]), cid);
 883 }
 884
 885 static inline void set_sense(struct sense_data *sense_data, u8 sense_key,
 886         u8 sense_code, u8 a_sense_code, u8 bit_pointer, u16 field_pointer)
 887 {
 888         u8 *sense_buf = (u8 *)sense_data;
 889         /* Sense data valid, err code 70h */
 890         sense_buf[0] = 0x70; /* No info field */
 891         sense_buf[1] = 0;       /* Segment number, always zero */
 892
 893         sense_buf[2] = sense_key;       /* Sense key */
 894
 895         sense_buf[12] = sense_code;     /* Additional sense code */
 896         sense_buf[13] = a_sense_code;   /* Additional sense code qualifier */
 897
 898         if (sense_key == ILLEGAL_REQUEST) {
 899                 sense_buf[7] = 10;      /* Additional sense length */
 900
 901                 sense_buf[15] = bit_pointer;
 902                 /* Illegal parameter is in the parameter block */
 903                 if (sense_code == SENCODE_INVALID_CDB_FIELD)
 904                         sense_buf[15] |= 0xc0;/* Std sense key specific field */
 905                 /* Illegal parameter is in the CDB block */
 906                 sense_buf[16] = field_pointer >> 8;     /* MSB */
 907                 sense_buf[17] = field_pointer;          /* LSB */
 908         } else
 909                 sense_buf[7] = 6;       /* Additional sense length */
 910 }
 911
 912 static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
 913 {
 914         if (lba & 0xffffffff00000000LL) {
 915                 int cid = scmd_id(cmd);
 916                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
 917                 cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
 918                         SAM_STAT_CHECK_CONDITION;
 919                 set_sense(&dev->fsa_dev[cid].sense_data,
 920                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
 921                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
 922                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
 923                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
 924                              SCSI_SENSE_BUFFERSIZE));
 925                 cmd->scsi_done(cmd);
 926                 return 1;
 927         }
 928         return 0;
 929 }
 930
 931 static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
 932 {
 933         return 0;
 934 }
 935
 936 static void io_callback(void *context, struct fib * fibptr);
 937
 938 static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 939 {
 940         u16 fibsize;
 941         struct aac_raw_io *readcmd;
 942         aac_fib_init(fib);
 943         readcmd = (struct aac_raw_io *) fib_data(fib);
 944         readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
 945         readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
 946         readcmd->count = cpu_to_le32(count<<9);
 947         readcmd->cid = cpu_to_le16(scmd_id(cmd));
 948         readcmd->flags = cpu_to_le16(IO_TYPE_READ);
 949         readcmd->bpTotal = 0;
 950         readcmd->bpComplete = 0;
 951
 952         aac_build_sgraw(cmd, &readcmd->sg);
 953         fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
 954         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
 955         /*
 956          *      Now send the Fib to the adapter
 957          */
 958         return aac_fib_send(ContainerRawIo,
 959                           fib,
 960                           fibsize,
 961                           FsaNormal,
 962                           0, 1,
 963                           (fib_callback) io_callback,
 964                           (void *) cmd);
 965 }
 966
 967 static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 968 {
 969         u16 fibsize;
 970         struct aac_read64 *readcmd;
 971         aac_fib_init(fib);
 972         readcmd = (struct aac_read64 *) fib_data(fib);
 973         readcmd->command = cpu_to_le32(VM_CtHostRead64);
 974         readcmd->cid = cpu_to_le16(scmd_id(cmd));
 975         readcmd->sector_count = cpu_to_le16(count);
 976         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
 977         readcmd->pad   = 0;
 978         readcmd->flags = 0;
 979
 980         aac_build_sg64(cmd, &readcmd->sg);
 981         fibsize = sizeof(struct aac_read64) +
 982                 ((le32_to_cpu(readcmd->sg.count) - 1) *
 983                  sizeof (struct sgentry64));
 984         BUG_ON (fibsize > (fib->dev->max_fib_size -
 985                                 sizeof(struct aac_fibhdr)));
 986         /*
 987          *      Now send the Fib to the adapter
 988          */
 989         return aac_fib_send(ContainerCommand64,
 990                           fib,
 991                           fibsize,
 992                           FsaNormal,
 993                           0, 1,
 994                           (fib_callback) io_callback,
 995                           (void *) cmd);
 996 }
 997
 998 static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 999 {
1000         u16 fibsize;
1001         struct aac_read *readcmd;
1002         aac_fib_init(fib);
1003         readcmd = (struct aac_read *) fib_data(fib);
1004         readcmd->command = cpu_to_le32(VM_CtBlockRead);
1005         readcmd->cid = cpu_to_le32(scmd_id(cmd));
1006         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1007         readcmd->count = cpu_to_le32(count * 512);
1008
1009         aac_build_sg(cmd, &readcmd->sg);
1010         fibsize = sizeof(struct aac_read) +
1011                         ((le32_to_cpu(readcmd->sg.count) - 1) *
1012                          sizeof (struct sgentry));
1013         BUG_ON (fibsize > (fib->dev->max_fib_size -
1014                                 sizeof(struct aac_fibhdr)));
1015         /*
1016          *      Now send the Fib to the adapter
1017          */
1018         return aac_fib_send(ContainerCommand,
1019                           fib,
1020                           fibsize,
1021                           FsaNormal,
1022                           0, 1,
1023                           (fib_callback) io_callback,
1024                           (void *) cmd);
1025 }
1026
1027 static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1028 {
1029         u16 fibsize;
1030         struct aac_raw_io *writecmd;
1031         aac_fib_init(fib);
1032         writecmd = (struct aac_raw_io *) fib_data(fib);
1033         writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1034         writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1035         writecmd->count = cpu_to_le32(count<<9);
1036         writecmd->cid = cpu_to_le16(scmd_id(cmd));
1037         writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
1038           (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1039                 cpu_to_le16(IO_TYPE_WRITE|IO_SUREWRITE) :
1040                 cpu_to_le16(IO_TYPE_WRITE);
1041         writecmd->bpTotal = 0;
1042         writecmd->bpComplete = 0;
1043
1044         aac_build_sgraw(cmd, &writecmd->sg);
1045         fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
1046         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1047         /*
1048          *      Now send the Fib to the adapter
1049          */
1050         return aac_fib_send(ContainerRawIo,
1051                           fib,
1052                           fibsize,
1053                           FsaNormal,
1054                           0, 1,
1055                           (fib_callback) io_callback,
1056                           (void *) cmd);
1057 }
1058
1059 static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1060 {
1061         u16 fibsize;
1062         struct aac_write64 *writecmd;
1063         aac_fib_init(fib);
1064         writecmd = (struct aac_write64 *) fib_data(fib);
1065         writecmd->command = cpu_to_le32(VM_CtHostWrite64);
1066         writecmd->cid = cpu_to_le16(scmd_id(cmd));
1067         writecmd->sector_count = cpu_to_le16(count);
1068         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1069         writecmd->pad   = 0;
1070         writecmd->flags = 0;
1071
1072         aac_build_sg64(cmd, &writecmd->sg);
1073         fibsize = sizeof(struct aac_write64) +
1074                 ((le32_to_cpu(writecmd->sg.count) - 1) *
1075                  sizeof (struct sgentry64));
1076         BUG_ON (fibsize > (fib->dev->max_fib_size -
1077                                 sizeof(struct aac_fibhdr)));
1078         /*
1079          *      Now send the Fib to the adapter
1080          */
1081         return aac_fib_send(ContainerCommand64,
1082                           fib,
1083                           fibsize,
1084                           FsaNormal,
1085                           0, 1,
1086                           (fib_callback) io_callback,
1087                           (void *) cmd);
1088 }
1089
1090 static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1091 {
1092         u16 fibsize;
1093         struct aac_write *writecmd;
1094         aac_fib_init(fib);
1095         writecmd = (struct aac_write *) fib_data(fib);
1096         writecmd->command = cpu_to_le32(VM_CtBlockWrite);
1097         writecmd->cid = cpu_to_le32(scmd_id(cmd));
1098         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1099         writecmd->count = cpu_to_le32(count * 512);
1100         writecmd->sg.count = cpu_to_le32(1);
1101         /* ->stable is not used - it did mean which type of write */
1102
1103         aac_build_sg(cmd, &writecmd->sg);
1104         fibsize = sizeof(struct aac_write) +
1105                 ((le32_to_cpu(writecmd->sg.count) - 1) *
1106                  sizeof (struct sgentry));
1107         BUG_ON (fibsize > (fib->dev->max_fib_size -
1108                                 sizeof(struct aac_fibhdr)));
1109         /*
1110          *      Now send the Fib to the adapter
1111          */
1112         return aac_fib_send(ContainerCommand,
1113                           fib,
1114                           fibsize,
1115                           FsaNormal,
1116                           0, 1,
1117                           (fib_callback) io_callback,
1118                           (void *) cmd);
1119 }
1120
1121 static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
1122 {
1123         struct aac_srb * srbcmd;
1124         u32 flag;
1125         u32 timeout;
1126
1127         aac_fib_init(fib);
1128         switch(cmd->sc_data_direction){
1129         case DMA_TO_DEVICE:
1130                 flag = SRB_DataOut;
1131                 break;
1132         case DMA_BIDIRECTIONAL:
1133                 flag = SRB_DataIn | SRB_DataOut;
1134                 break;
1135         case DMA_FROM_DEVICE:
1136                 flag = SRB_DataIn;
1137                 break;
1138         case DMA_NONE:
1139         default:        /* shuts up some versions of gcc */
1140                 flag = SRB_NoDataXfer;
1141                 break;
1142         }
1143
1144         srbcmd = (struct aac_srb*) fib_data(fib);
1145         srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1146         srbcmd->channel  = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1147         srbcmd->id       = cpu_to_le32(scmd_id(cmd));
1148         srbcmd->lun      = cpu_to_le32(cmd->device->lun);
1149         srbcmd->flags    = cpu_to_le32(flag);
1150         timeout = cmd->request->timeout/HZ;
1151         if (timeout == 0)
1152                 timeout = 1;
1153         srbcmd->timeout  = cpu_to_le32(timeout);  // timeout in seconds
1154         srbcmd->retry_limit = 0; /* Obsolete parameter */
1155         srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1156         return srbcmd;
1157 }
1158
1159 static void aac_srb_callback(void *context, struct fib * fibptr);
1160
1161 static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1162 {
1163         u16 fibsize;
1164         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1165
1166         aac_build_sg64(cmd, (struct sgmap64*) &srbcmd->sg);
1167         srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1168
1169         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1170         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1171         /*
1172          *      Build Scatter/Gather list
1173          */
1174         fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1175                 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1176                  sizeof (struct sgentry64));
1177         BUG_ON (fibsize > (fib->dev->max_fib_size -
1178                                 sizeof(struct aac_fibhdr)));
1179
1180         /*
1181          *      Now send the Fib to the adapter
1182          */
1183         return aac_fib_send(ScsiPortCommand64, fib,
1184                                 fibsize, FsaNormal, 0, 1,
1185                                   (fib_callback) aac_srb_callback,
1186                                   (void *) cmd);
1187 }
1188
1189 static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1190 {
1191         u16 fibsize;
1192         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1193
1194         aac_build_sg(cmd, (struct sgmap*)&srbcmd->sg);
1195         srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1196
1197         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1198         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1199         /*
1200          *      Build Scatter/Gather list
1201          */
1202         fibsize = sizeof (struct aac_srb) +
1203                 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1204                  sizeof (struct sgentry));
1205         BUG_ON (fibsize > (fib->dev->max_fib_size -
1206                                 sizeof(struct aac_fibhdr)));
1207
1208         /*
1209          *      Now send the Fib to the adapter
1210          */
1211         return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1212                                   (fib_callback) aac_srb_callback, (void *) cmd);
1213 }
1214
1215 static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd)
1216 {
1217         if ((sizeof(dma_addr_t) > 4) && fib->dev->needs_dac &&
1218             (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64))
1219                 return FAILED;
1220         return aac_scsi_32(fib, cmd);
1221 }
1222
1223 int aac_get_adapter_info(struct aac_dev* dev)
1224 {
1225         struct fib* fibptr;
1226         int rcode;
1227         u32 tmp;
1228         struct aac_adapter_info *info;
1229         struct aac_bus_info *command;
1230         struct aac_bus_info_response *bus_info;
1231
1232         if (!(fibptr = aac_fib_alloc(dev)))
1233                 return -ENOMEM;
1234
1235         aac_fib_init(fibptr);
1236         info = (struct aac_adapter_info *) fib_data(fibptr);
1237         memset(info,0,sizeof(*info));
1238
1239         rcode = aac_fib_send(RequestAdapterInfo,
1240                          fibptr,
1241                          sizeof(*info),
1242                          FsaNormal,
1243                          -1, 1, /* First `interrupt' command uses special wait */
1244                          NULL,
1245                          NULL);
1246
1247         if (rcode < 0) {
1248                 aac_fib_complete(fibptr);
1249                 aac_fib_free(fibptr);
1250                 return rcode;
1251         }
1252         memcpy(&dev->adapter_info, info, sizeof(*info));
1253
1254         if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
1255                 struct aac_supplement_adapter_info * sinfo;
1256
1257                 aac_fib_init(fibptr);
1258
1259                 sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr);
1260
1261                 memset(sinfo,0,sizeof(*sinfo));
1262
1263                 rcode = aac_fib_send(RequestSupplementAdapterInfo,
1264                                  fibptr,
1265                                  sizeof(*sinfo),
1266                                  FsaNormal,
1267                                  1, 1,
1268                                  NULL,
1269                                  NULL);
1270
1271                 if (rcode >= 0)
1272                         memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo));
1273         }
1274
1275
1276         /*
1277          * GetBusInfo
1278          */
1279
1280         aac_fib_init(fibptr);
1281
1282         bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
1283
1284         memset(bus_info, 0, sizeof(*bus_info));
1285
1286         command = (struct aac_bus_info *)bus_info;
1287
1288         command->Command = cpu_to_le32(VM_Ioctl);
1289         command->ObjType = cpu_to_le32(FT_DRIVE);
1290         command->MethodId = cpu_to_le32(1);
1291         command->CtlCmd = cpu_to_le32(GetBusInfo);
1292
1293         rcode = aac_fib_send(ContainerCommand,
1294                          fibptr,
1295                          sizeof (*bus_info),
1296                          FsaNormal,
1297                          1, 1,
1298                          NULL, NULL);
1299
1300         /* reasoned default */
1301         dev->maximum_num_physicals = 16;
1302         if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
1303                 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
1304                 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
1305         }
1306
1307         if (!dev->in_reset) {
1308                 char buffer[16];
1309                 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1310                 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
1311                         dev->name,
1312                         dev->id,
1313                         tmp>>24,
1314                         (tmp>>16)&0xff,
1315                         tmp&0xff,
1316                         le32_to_cpu(dev->adapter_info.kernelbuild),
1317                         (int)sizeof(dev->supplement_adapter_info.BuildDate),
1318                         dev->supplement_adapter_info.BuildDate);
1319                 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1320                 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
1321                         dev->name, dev->id,
1322                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1323                         le32_to_cpu(dev->adapter_info.monitorbuild));
1324                 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1325                 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
1326                         dev->name, dev->id,
1327                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1328                         le32_to_cpu(dev->adapter_info.biosbuild));
1329                 buffer[0] = '\0';
1330                 if (aac_get_serial_number(
1331                   shost_to_class(dev->scsi_host_ptr), buffer))
1332                         printk(KERN_INFO "%s%d: serial %s",
1333                           dev->name, dev->id, buffer);
1334                 if (dev->supplement_adapter_info.VpdInfo.Tsid[0]) {
1335                         printk(KERN_INFO "%s%d: TSID %.*s\n",
1336                           dev->name, dev->id,
1337                           (int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid),
1338                           dev->supplement_adapter_info.VpdInfo.Tsid);
1339                 }
1340                 if (!aac_check_reset || ((aac_check_reset == 1) &&
1341                   (dev->supplement_adapter_info.SupportedOptions2 &
1342                   AAC_OPTION_IGNORE_RESET))) {
1343                         printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
1344                           dev->name, dev->id);
1345                 }
1346         }
1347
1348         dev->cache_protected = 0;
1349         dev->jbod = ((dev->supplement_adapter_info.FeatureBits &
1350                 AAC_FEATURE_JBOD) != 0);
1351         dev->nondasd_support = 0;
1352         dev->raid_scsi_mode = 0;
1353         if(dev->adapter_info.options & AAC_OPT_NONDASD)
1354                 dev->nondasd_support = 1;
1355
1356         /*
1357          * If the firmware supports ROMB RAID/SCSI mode and we are currently
1358          * in RAID/SCSI mode, set the flag. For now if in this mode we will
1359          * force nondasd support on. If we decide to allow the non-dasd flag
1360          * additional changes changes will have to be made to support
1361          * RAID/SCSI.  the function aac_scsi_cmd in this module will have to be
1362          * changed to support the new dev->raid_scsi_mode flag instead of
1363          * leaching off of the dev->nondasd_support flag. Also in linit.c the
1364          * function aac_detect will have to be modified where it sets up the
1365          * max number of channels based on the aac->nondasd_support flag only.
1366          */
1367         if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
1368             (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
1369                 dev->nondasd_support = 1;
1370                 dev->raid_scsi_mode = 1;
1371         }
1372         if (dev->raid_scsi_mode != 0)
1373                 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
1374                                 dev->name, dev->id);
1375
1376         if (nondasd != -1)
1377                 dev->nondasd_support = (nondasd!=0);
1378         if (dev->nondasd_support && !dev->in_reset)
1379                 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
1380
1381         if (dma_get_required_mask(&dev->pdev->dev) > DMA_32BIT_MASK)
1382                 dev->needs_dac = 1;
1383         dev->dac_support = 0;
1384         if ((sizeof(dma_addr_t) > 4) && dev->needs_dac &&
1385             (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) {
1386                 if (!dev->in_reset)
1387                         printk(KERN_INFO "%s%d: 64bit support enabled.\n",
1388                                 dev->name, dev->id);
1389                 dev->dac_support = 1;
1390         }
1391
1392         if(dacmode != -1) {
1393                 dev->dac_support = (dacmode!=0);
1394         }
1395
1396         /* avoid problems with AAC_QUIRK_SCSI_32 controllers */
1397         if (dev->dac_support && (aac_get_driver_ident(dev->cardtype)->quirks
1398                 & AAC_QUIRK_SCSI_32)) {
1399                 dev->nondasd_support = 0;
1400                 dev->jbod = 0;
1401                 expose_physicals = 0;
1402         }
1403
1404         if(dev->dac_support != 0) {
1405                 if (!pci_set_dma_mask(dev->pdev, DMA_64BIT_MASK) &&
1406                         !pci_set_consistent_dma_mask(dev->pdev, DMA_64BIT_MASK)) {
1407                         if (!dev->in_reset)
1408                                 printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
1409                                         dev->name, dev->id);
1410                 } else if (!pci_set_dma_mask(dev->pdev, DMA_32BIT_MASK) &&
1411                         !pci_set_consistent_dma_mask(dev->pdev, DMA_32BIT_MASK)) {
1412                         printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
1413                                 dev->name, dev->id);
1414                         dev->dac_support = 0;
1415                 } else {
1416                         printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
1417                                 dev->name, dev->id);
1418                         rcode = -ENOMEM;
1419                 }
1420         }
1421         /*
1422          * Deal with configuring for the individualized limits of each packet
1423          * interface.
1424          */
1425         dev->a_ops.adapter_scsi = (dev->dac_support)
1426           ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32)
1427                                 ? aac_scsi_32_64
1428                                 : aac_scsi_64)
1429                                 : aac_scsi_32;
1430         if (dev->raw_io_interface) {
1431                 dev->a_ops.adapter_bounds = (dev->raw_io_64)
1432                                         ? aac_bounds_64
1433                                         : aac_bounds_32;
1434                 dev->a_ops.adapter_read = aac_read_raw_io;
1435                 dev->a_ops.adapter_write = aac_write_raw_io;
1436         } else {
1437                 dev->a_ops.adapter_bounds = aac_bounds_32;
1438                 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
1439                         sizeof(struct aac_fibhdr) -
1440                         sizeof(struct aac_write) + sizeof(struct sgentry)) /
1441                                 sizeof(struct sgentry);
1442                 if (dev->dac_support) {
1443                         dev->a_ops.adapter_read = aac_read_block64;
1444                         dev->a_ops.adapter_write = aac_write_block64;
1445                         /*
1446                          * 38 scatter gather elements
1447                          */
1448                         dev->scsi_host_ptr->sg_tablesize =
1449                                 (dev->max_fib_size -
1450                                 sizeof(struct aac_fibhdr) -
1451                                 sizeof(struct aac_write64) +
1452                                 sizeof(struct sgentry64)) /
1453                                         sizeof(struct sgentry64);
1454                 } else {
1455                         dev->a_ops.adapter_read = aac_read_block;
1456                         dev->a_ops.adapter_write = aac_write_block;
1457                 }
1458                 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
1459                 if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
1460                         /*
1461                          * Worst case size that could cause sg overflow when
1462                          * we break up SG elements that are larger than 64KB.
1463                          * Would be nice if we could tell the SCSI layer what
1464                          * the maximum SG element size can be. Worst case is
1465                          * (sg_tablesize-1) 4KB elements with one 64KB
1466                          * element.
1467                          *      32bit -> 468 or 238KB   64bit -> 424 or 212KB
1468                          */
1469                         dev->scsi_host_ptr->max_sectors =
1470                           (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
1471                 }
1472         }
1473
1474         aac_fib_complete(fibptr);
1475         aac_fib_free(fibptr);
1476
1477         return rcode;
1478 }
1479
1480
1481 static void io_callback(void *context, struct fib * fibptr)
1482 {
1483         struct aac_dev *dev;
1484         struct aac_read_reply *readreply;
1485         struct scsi_cmnd *scsicmd;
1486         u32 cid;
1487
1488         scsicmd = (struct scsi_cmnd *) context;
1489
1490         if (!aac_valid_context(scsicmd, fibptr))
1491                 return;
1492
1493         dev = fibptr->dev;
1494         cid = scmd_id(scsicmd);
1495
1496         if (nblank(dprintk(x))) {
1497                 u64 lba;
1498                 switch (scsicmd->cmnd[0]) {
1499                 case WRITE_6:
1500                 case READ_6:
1501                         lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1502                             (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1503                         break;
1504                 case WRITE_16:
1505                 case READ_16:
1506                         lba = ((u64)scsicmd->cmnd[2] << 56) |
1507                               ((u64)scsicmd->cmnd[3] << 48) |
1508                               ((u64)scsicmd->cmnd[4] << 40) |
1509                               ((u64)scsicmd->cmnd[5] << 32) |
1510                               ((u64)scsicmd->cmnd[6] << 24) |
1511                               (scsicmd->cmnd[7] << 16) |
1512                               (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1513                         break;
1514                 case WRITE_12:
1515                 case READ_12:
1516                         lba = ((u64)scsicmd->cmnd[2] << 24) |
1517                               (scsicmd->cmnd[3] << 16) |
1518                               (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1519                         break;
1520                 default:
1521                         lba = ((u64)scsicmd->cmnd[2] << 24) |
1522                                (scsicmd->cmnd[3] << 16) |
1523                                (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1524                         break;
1525                 }
1526                 printk(KERN_DEBUG
1527                   "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
1528                   smp_processor_id(), (unsigned long long)lba, jiffies);
1529         }
1530
1531         BUG_ON(fibptr == NULL);
1532
1533         scsi_dma_unmap(scsicmd);
1534
1535         readreply = (struct aac_read_reply *)fib_data(fibptr);
1536         switch (le32_to_cpu(readreply->status)) {
1537         case ST_OK:
1538                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1539                         SAM_STAT_GOOD;
1540                 dev->fsa_dev[cid].sense_data.sense_key = NO_SENSE;
1541                 break;
1542         case ST_NOT_READY:
1543                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1544                         SAM_STAT_CHECK_CONDITION;
1545                 set_sense(&dev->fsa_dev[cid].sense_data, NOT_READY,
1546                   SENCODE_BECOMING_READY, ASENCODE_BECOMING_READY, 0, 0);
1547                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1548                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1549                              SCSI_SENSE_BUFFERSIZE));
1550                 break;
1551         default:
1552 #ifdef AAC_DETAILED_STATUS_INFO
1553                 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
1554                   le32_to_cpu(readreply->status));
1555 #endif
1556                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1557                         SAM_STAT_CHECK_CONDITION;
1558                 set_sense(&dev->fsa_dev[cid].sense_data,
1559                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1560                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1561                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1562                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1563                              SCSI_SENSE_BUFFERSIZE));
1564                 break;
1565         }
1566         aac_fib_complete(fibptr);
1567         aac_fib_free(fibptr);
1568
1569         scsicmd->scsi_done(scsicmd);
1570 }
1571
1572 static int aac_read(struct scsi_cmnd * scsicmd)
1573 {
1574         u64 lba;
1575         u32 count;
1576         int status;
1577         struct aac_dev *dev;
1578         struct fib * cmd_fibcontext;
1579
1580         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1581         /*
1582          *      Get block address and transfer length
1583          */
1584         switch (scsicmd->cmnd[0]) {
1585         case READ_6:
1586                 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
1587
1588                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1589                         (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1590                 count = scsicmd->cmnd[4];
1591
1592                 if (count == 0)
1593                         count = 256;
1594                 break;
1595         case READ_16:
1596                 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
1597
1598                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
1599                         ((u64)scsicmd->cmnd[3] << 48) |
1600                         ((u64)scsicmd->cmnd[4] << 40) |
1601                         ((u64)scsicmd->cmnd[5] << 32) |
1602                         ((u64)scsicmd->cmnd[6] << 24) |
1603                         (scsicmd->cmnd[7] << 16) |
1604                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1605                 count = (scsicmd->cmnd[10] << 24) |
1606                         (scsicmd->cmnd[11] << 16) |
1607                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1608                 break;
1609         case READ_12:
1610                 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
1611
1612                 lba = ((u64)scsicmd->cmnd[2] << 24) |
1613                         (scsicmd->cmnd[3] << 16) |
1614                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1615                 count = (scsicmd->cmnd[6] << 24) |
1616                         (scsicmd->cmnd[7] << 16) |
1617                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1618                 break;
1619         default:
1620                 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
1621
1622                 lba = ((u64)scsicmd->cmnd[2] << 24) |
1623                         (scsicmd->cmnd[3] << 16) |
1624                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1625                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1626                 break;
1627         }
1628         dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
1629           smp_processor_id(), (unsigned long long)lba, jiffies));
1630         if (aac_adapter_bounds(dev,scsicmd,lba))
1631                 return 0;
1632         /*
1633          *      Alocate and initialize a Fib
1634          */
1635         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1636                 return -1;
1637         }
1638
1639         status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
1640
1641         /*
1642          *      Check that the command queued to the controller
1643          */
1644         if (status == -EINPROGRESS) {
1645                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1646                 return 0;
1647         }
1648
1649         printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
1650         /*
1651          *      For some reason, the Fib didn't queue, return QUEUE_FULL
1652          */
1653         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1654         scsicmd->scsi_done(scsicmd);
1655         aac_fib_complete(cmd_fibcontext);
1656         aac_fib_free(cmd_fibcontext);
1657         return 0;
1658 }
1659
1660 static int aac_write(struct scsi_cmnd * scsicmd)
1661 {
1662         u64 lba;
1663         u32 count;
1664         int fua;
1665         int status;
1666         struct aac_dev *dev;
1667         struct fib * cmd_fibcontext;
1668
1669         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1670         /*
1671          *      Get block address and transfer length
1672          */
1673         if (scsicmd->cmnd[0] == WRITE_6)        /* 6 byte command */
1674         {
1675                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1676                 count = scsicmd->cmnd[4];
1677                 if (count == 0)
1678                         count = 256;
1679                 fua = 0;
1680         } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
1681                 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
1682
1683                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
1684                         ((u64)scsicmd->cmnd[3] << 48) |
1685                         ((u64)scsicmd->cmnd[4] << 40) |
1686                         ((u64)scsicmd->cmnd[5] << 32) |
1687                         ((u64)scsicmd->cmnd[6] << 24) |
1688                         (scsicmd->cmnd[7] << 16) |
1689                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1690                 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
1691                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1692                 fua = scsicmd->cmnd[1] & 0x8;
1693         } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
1694                 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
1695
1696                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
1697                     | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1698                 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
1699                       | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1700                 fua = scsicmd->cmnd[1] & 0x8;
1701         } else {
1702                 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
1703                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1704                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1705                 fua = scsicmd->cmnd[1] & 0x8;
1706         }
1707         dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
1708           smp_processor_id(), (unsigned long long)lba, jiffies));
1709         if (aac_adapter_bounds(dev,scsicmd,lba))
1710                 return 0;
1711         /*
1712          *      Allocate and initialize a Fib then setup a BlockWrite command
1713          */
1714         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1715                 scsicmd->result = DID_ERROR << 16;
1716                 scsicmd->scsi_done(scsicmd);
1717                 return 0;
1718         }
1719
1720         status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
1721
1722         /*
1723          *      Check that the command queued to the controller
1724          */
1725         if (status == -EINPROGRESS) {
1726                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1727                 return 0;
1728         }
1729
1730         printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
1731         /*
1732          *      For some reason, the Fib didn't queue, return QUEUE_FULL
1733          */
1734         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1735         scsicmd->scsi_done(scsicmd);
1736
1737         aac_fib_complete(cmd_fibcontext);
1738         aac_fib_free(cmd_fibcontext);
1739         return 0;
1740 }
1741
1742 static void synchronize_callback(void *context, struct fib *fibptr)
1743 {
1744         struct aac_synchronize_reply *synchronizereply;
1745         struct scsi_cmnd *cmd;
1746
1747         cmd = context;
1748
1749         if (!aac_valid_context(cmd, fibptr))
1750                 return;
1751
1752         dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
1753                                 smp_processor_id(), jiffies));
1754         BUG_ON(fibptr == NULL);
1755
1756
1757         synchronizereply = fib_data(fibptr);
1758         if (le32_to_cpu(synchronizereply->status) == CT_OK)
1759                 cmd->result = DID_OK << 16 |
1760                         COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1761         else {
1762                 struct scsi_device *sdev = cmd->device;
1763                 struct aac_dev *dev = fibptr->dev;
1764                 u32 cid = sdev_id(sdev);
1765                 printk(KERN_WARNING
1766                      "synchronize_callback: synchronize failed, status = %d\n",
1767                      le32_to_cpu(synchronizereply->status));
1768                 cmd->result = DID_OK << 16 |
1769                         COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1770                 set_sense(&dev->fsa_dev[cid].sense_data,
1771                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1772                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1773                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1774                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1775                              SCSI_SENSE_BUFFERSIZE));
1776         }
1777
1778         aac_fib_complete(fibptr);
1779         aac_fib_free(fibptr);
1780         cmd->scsi_done(cmd);
1781 }
1782
1783 static int aac_synchronize(struct scsi_cmnd *scsicmd)
1784 {
1785         int status;
1786         struct fib *cmd_fibcontext;
1787         struct aac_synchronize *synchronizecmd;
1788         struct scsi_cmnd *cmd;
1789         struct scsi_device *sdev = scsicmd->device;
1790         int active = 0;
1791         struct aac_dev *aac;
1792         u64 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) |
1793                 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1794         u32 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1795         unsigned long flags;
1796
1797         /*
1798          * Wait for all outstanding queued commands to complete to this
1799          * specific target (block).
1800          */
1801         spin_lock_irqsave(&sdev->list_lock, flags);
1802         list_for_each_entry(cmd, &sdev->cmd_list, list)
1803                 if (cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
1804                         u64 cmnd_lba;
1805                         u32 cmnd_count;
1806
1807                         if (cmd->cmnd[0] == WRITE_6) {
1808                                 cmnd_lba = ((cmd->cmnd[1] & 0x1F) << 16) |
1809                                         (cmd->cmnd[2] << 8) |
1810                                         cmd->cmnd[3];
1811                                 cmnd_count = cmd->cmnd[4];
1812                                 if (cmnd_count == 0)
1813                                         cmnd_count = 256;
1814                         } else if (cmd->cmnd[0] == WRITE_16) {
1815                                 cmnd_lba = ((u64)cmd->cmnd[2] << 56) |
1816                                         ((u64)cmd->cmnd[3] << 48) |
1817                                         ((u64)cmd->cmnd[4] << 40) |
1818                                         ((u64)cmd->cmnd[5] << 32) |
1819                                         ((u64)cmd->cmnd[6] << 24) |
1820                                         (cmd->cmnd[7] << 16) |
1821                                         (cmd->cmnd[8] << 8) |
1822                                         cmd->cmnd[9];
1823                                 cmnd_count = (cmd->cmnd[10] << 24) |
1824                                         (cmd->cmnd[11] << 16) |
1825                                         (cmd->cmnd[12] << 8) |
1826                                         cmd->cmnd[13];
1827                         } else if (cmd->cmnd[0] == WRITE_12) {
1828                                 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
1829                                         (cmd->cmnd[3] << 16) |
1830                                         (cmd->cmnd[4] << 8) |
1831                                         cmd->cmnd[5];
1832                                 cmnd_count = (cmd->cmnd[6] << 24) |
1833                                         (cmd->cmnd[7] << 16) |
1834                                         (cmd->cmnd[8] << 8) |
1835                                         cmd->cmnd[9];
1836                         } else if (cmd->cmnd[0] == WRITE_10) {
1837                                 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
1838                                         (cmd->cmnd[3] << 16) |
1839                                         (cmd->cmnd[4] << 8) |
1840                                         cmd->cmnd[5];
1841                                 cmnd_count = (cmd->cmnd[7] << 8) |
1842                                         cmd->cmnd[8];
1843                         } else
1844                                 continue;
1845                         if (((cmnd_lba + cmnd_count) < lba) ||
1846                           (count && ((lba + count) < cmnd_lba)))
1847                                 continue;
1848                         ++active;
1849                         break;
1850                 }
1851
1852         spin_unlock_irqrestore(&sdev->list_lock, flags);
1853
1854         /*
1855          *      Yield the processor (requeue for later)
1856          */
1857         if (active)
1858                 return SCSI_MLQUEUE_DEVICE_BUSY;
1859
1860         aac = (struct aac_dev *)sdev->host->hostdata;
1861         if (aac->in_reset)
1862                 return SCSI_MLQUEUE_HOST_BUSY;
1863
1864         /*
1865          *      Allocate and initialize a Fib
1866          */
1867         if (!(cmd_fibcontext = aac_fib_alloc(aac)))
1868                 return SCSI_MLQUEUE_HOST_BUSY;
1869
1870         aac_fib_init(cmd_fibcontext);
1871
1872         synchronizecmd = fib_data(cmd_fibcontext);
1873         synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
1874         synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
1875         synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
1876         synchronizecmd->count =
1877              cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
1878
1879         /*
1880          *      Now send the Fib to the adapter
1881          */
1882         status = aac_fib_send(ContainerCommand,
1883                   cmd_fibcontext,
1884                   sizeof(struct aac_synchronize),
1885                   FsaNormal,
1886                   0, 1,
1887                   (fib_callback)synchronize_callback,
1888                   (void *)scsicmd);
1889
1890         /*
1891          *      Check that the command queued to the controller
1892          */
1893         if (status == -EINPROGRESS) {
1894                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1895                 return 0;
1896         }
1897
1898         printk(KERN_WARNING
1899                 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
1900         aac_fib_complete(cmd_fibcontext);
1901         aac_fib_free(cmd_fibcontext);
1902         return SCSI_MLQUEUE_HOST_BUSY;
1903 }
1904
1905 static void aac_start_stop_callback(void *context, struct fib *fibptr)
1906 {
1907         struct scsi_cmnd *scsicmd = context;
1908
1909         if (!aac_valid_context(scsicmd, fibptr))
1910                 return;
1911
1912         BUG_ON(fibptr == NULL);
1913
1914         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1915
1916         aac_fib_complete(fibptr);
1917         aac_fib_free(fibptr);
1918         scsicmd->scsi_done(scsicmd);
1919 }
1920
1921 static int aac_start_stop(struct scsi_cmnd *scsicmd)
1922 {
1923         int status;
1924         struct fib *cmd_fibcontext;
1925         struct aac_power_management *pmcmd;
1926         struct scsi_device *sdev = scsicmd->device;
1927         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
1928
1929         if (!(aac->supplement_adapter_info.SupportedOptions2 &
1930               AAC_OPTION_POWER_MANAGEMENT)) {
1931                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1932                                   SAM_STAT_GOOD;
1933                 scsicmd->scsi_done(scsicmd);
1934                 return 0;
1935         }
1936
1937         if (aac->in_reset)
1938                 return SCSI_MLQUEUE_HOST_BUSY;
1939
1940         /*
1941          *      Allocate and initialize a Fib
1942          */
1943         cmd_fibcontext = aac_fib_alloc(aac);
1944         if (!cmd_fibcontext)
1945                 return SCSI_MLQUEUE_HOST_BUSY;
1946
1947         aac_fib_init(cmd_fibcontext);
1948
1949         pmcmd = fib_data(cmd_fibcontext);
1950         pmcmd->command = cpu_to_le32(VM_ContainerConfig);
1951         pmcmd->type = cpu_to_le32(CT_POWER_MANAGEMENT);
1952         /* Eject bit ignored, not relevant */
1953         pmcmd->sub = (scsicmd->cmnd[4] & 1) ?
1954                 cpu_to_le32(CT_PM_START_UNIT) : cpu_to_le32(CT_PM_STOP_UNIT);
1955         pmcmd->cid = cpu_to_le32(sdev_id(sdev));
1956         pmcmd->parm = (scsicmd->cmnd[1] & 1) ?
1957                 cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0;
1958
1959         /*
1960          *      Now send the Fib to the adapter
1961          */
1962         status = aac_fib_send(ContainerCommand,
1963                   cmd_fibcontext,
1964                   sizeof(struct aac_power_management),
1965                   FsaNormal,
1966                   0, 1,
1967                   (fib_callback)aac_start_stop_callback,
1968                   (void *)scsicmd);
1969
1970         /*
1971          *      Check that the command queued to the controller
1972          */
1973         if (status == -EINPROGRESS) {
1974                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1975                 return 0;
1976         }
1977
1978         aac_fib_complete(cmd_fibcontext);
1979         aac_fib_free(cmd_fibcontext);
1980         return SCSI_MLQUEUE_HOST_BUSY;
1981 }
1982
1983 /**
1984  *      aac_scsi_cmd()          -       Process SCSI command
1985  *      @scsicmd:               SCSI command block
1986  *
1987  *      Emulate a SCSI command and queue the required request for the
1988  *      aacraid firmware.
1989  */
1990
1991 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
1992 {
1993         u32 cid;
1994         struct Scsi_Host *host = scsicmd->device->host;
1995         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
1996         struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
1997
1998         if (fsa_dev_ptr == NULL)
1999                 return -1;
2000         /*
2001          *      If the bus, id or lun is out of range, return fail
2002          *      Test does not apply to ID 16, the pseudo id for the controller
2003          *      itself.
2004          */
2005         cid = scmd_id(scsicmd);
2006         if (cid != host->this_id) {
2007                 if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
2008                         if((cid >= dev->maximum_num_containers) ||
2009                                         (scsicmd->device->lun != 0)) {
2010                                 scsicmd->result = DID_NO_CONNECT << 16;
2011                                 scsicmd->scsi_done(scsicmd);
2012                                 return 0;
2013                         }
2014
2015                         /*
2016                          *      If the target container doesn't exist, it may have
2017                          *      been newly created
2018                          */
2019                         if (((fsa_dev_ptr[cid].valid & 1) == 0) ||
2020                           (fsa_dev_ptr[cid].sense_data.sense_key ==
2021                            NOT_READY)) {
2022                                 switch (scsicmd->cmnd[0]) {
2023                                 case SERVICE_ACTION_IN:
2024                                         if (!(dev->raw_io_interface) ||
2025                                             !(dev->raw_io_64) ||
2026                                             ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2027                                                 break;
2028                                 case INQUIRY:
2029                                 case READ_CAPACITY:
2030                                 case TEST_UNIT_READY:
2031                                         if (dev->in_reset)
2032                                                 return -1;
2033                                         return _aac_probe_container(scsicmd,
2034                                                         aac_probe_container_callback2);
2035                                 default:
2036                                         break;
2037                                 }
2038                         }
2039                 } else {  /* check for physical non-dasd devices */
2040                         if (dev->nondasd_support || expose_physicals ||
2041                                         dev->jbod) {
2042                                 if (dev->in_reset)
2043                                         return -1;
2044                                 return aac_send_srb_fib(scsicmd);
2045                         } else {
2046                                 scsicmd->result = DID_NO_CONNECT << 16;
2047                                 scsicmd->scsi_done(scsicmd);
2048                                 return 0;
2049                         }
2050                 }
2051         }
2052         /*
2053          * else Command for the controller itself
2054          */
2055         else if ((scsicmd->cmnd[0] != INQUIRY) &&       /* only INQUIRY & TUR cmnd supported for controller */
2056                 (scsicmd->cmnd[0] != TEST_UNIT_READY))
2057         {
2058                 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
2059                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2060                 set_sense(&dev->fsa_dev[cid].sense_data,
2061                   ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2062                   ASENCODE_INVALID_COMMAND, 0, 0);
2063                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2064                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2065                              SCSI_SENSE_BUFFERSIZE));
2066                 scsicmd->scsi_done(scsicmd);
2067                 return 0;
2068         }
2069
2070
2071         /* Handle commands here that don't really require going out to the adapter */
2072         switch (scsicmd->cmnd[0]) {
2073         case INQUIRY:
2074         {
2075                 struct inquiry_data inq_data;
2076
2077                 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
2078                 memset(&inq_data, 0, sizeof (struct inquiry_data));
2079
2080                 if ((scsicmd->cmnd[1] & 0x1) && aac_wwn) {
2081                         char *arr = (char *)&inq_data;
2082
2083                         /* EVPD bit set */
2084                         arr[0] = (scmd_id(scsicmd) == host->this_id) ?
2085                           INQD_PDT_PROC : INQD_PDT_DA;
2086                         if (scsicmd->cmnd[2] == 0) {
2087                                 /* supported vital product data pages */
2088                                 arr[3] = 2;
2089                                 arr[4] = 0x0;
2090                                 arr[5] = 0x80;
2091                                 arr[1] = scsicmd->cmnd[2];
2092                                 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2093                                                          sizeof(inq_data));
2094                                 scsicmd->result = DID_OK << 16 |
2095                                   COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2096                         } else if (scsicmd->cmnd[2] == 0x80) {
2097                                 /* unit serial number page */
2098                                 arr[3] = setinqserial(dev, &arr[4],
2099                                   scmd_id(scsicmd));
2100                                 arr[1] = scsicmd->cmnd[2];
2101                                 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2102                                                          sizeof(inq_data));
2103                                 if (aac_wwn != 2)
2104                                         return aac_get_container_serial(
2105                                                 scsicmd);
2106                                 /* SLES 10 SP1 special */
2107                                 scsicmd->result = DID_OK << 16 |
2108                                   COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2109                         } else {
2110                                 /* vpd page not implemented */
2111                                 scsicmd->result = DID_OK << 16 |
2112                                   COMMAND_COMPLETE << 8 |
2113                                   SAM_STAT_CHECK_CONDITION;
2114                                 set_sense(&dev->fsa_dev[cid].sense_data,
2115                                   ILLEGAL_REQUEST, SENCODE_INVALID_CDB_FIELD,
2116                                   ASENCODE_NO_SENSE, 7, 2);
2117                                 memcpy(scsicmd->sense_buffer,
2118                                   &dev->fsa_dev[cid].sense_data,
2119                                   min_t(size_t,
2120                                         sizeof(dev->fsa_dev[cid].sense_data),
2121                                         SCSI_SENSE_BUFFERSIZE));
2122                         }
2123                         scsicmd->scsi_done(scsicmd);
2124                         return 0;
2125                 }
2126                 inq_data.inqd_ver = 2;  /* claim compliance to SCSI-2 */
2127                 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 */
2128                 inq_data.inqd_len = 31;
2129                 /*Format for "pad2" is  RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
2130                 inq_data.inqd_pad2= 0x32 ;       /*WBus16|Sync|CmdQue */
2131                 /*
2132                  *      Set the Vendor, Product, and Revision Level
2133                  *      see: <vendor>.c i.e. aac.c
2134                  */
2135                 if (cid == host->this_id) {
2136                         setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
2137                         inq_data.inqd_pdt = INQD_PDT_PROC;      /* Processor device */
2138                         scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2139                                                  sizeof(inq_data));
2140                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2141                         scsicmd->scsi_done(scsicmd);
2142                         return 0;
2143                 }
2144                 if (dev->in_reset)
2145                         return -1;
2146                 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
2147                 inq_data.inqd_pdt = INQD_PDT_DA;        /* Direct/random access device */
2148                 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
2149                 return aac_get_container_name(scsicmd);
2150         }
2151         case SERVICE_ACTION_IN:
2152                 if (!(dev->raw_io_interface) ||
2153                     !(dev->raw_io_64) ||
2154                     ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2155                         break;
2156         {
2157                 u64 capacity;
2158                 char cp[13];
2159                 unsigned int alloc_len;
2160
2161                 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
2162                 capacity = fsa_dev_ptr[cid].size - 1;
2163                 cp[0] = (capacity >> 56) & 0xff;
2164                 cp[1] = (capacity >> 48) & 0xff;
2165                 cp[2] = (capacity >> 40) & 0xff;
2166                 cp[3] = (capacity >> 32) & 0xff;
2167                 cp[4] = (capacity >> 24) & 0xff;
2168                 cp[5] = (capacity >> 16) & 0xff;
2169                 cp[6] = (capacity >> 8) & 0xff;
2170                 cp[7] = (capacity >> 0) & 0xff;
2171                 cp[8] = 0;
2172                 cp[9] = 0;
2173                 cp[10] = 2;
2174                 cp[11] = 0;
2175                 cp[12] = 0;
2176
2177                 alloc_len = ((scsicmd->cmnd[10] << 24)
2178                              + (scsicmd->cmnd[11] << 16)
2179                              + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);
2180
2181                 alloc_len = min_t(size_t, alloc_len, sizeof(cp));
2182                 scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len);
2183                 if (alloc_len < scsi_bufflen(scsicmd))
2184                         scsi_set_resid(scsicmd,
2185                                        scsi_bufflen(scsicmd) - alloc_len);
2186
2187                 /* Do not cache partition table for arrays */
2188                 scsicmd->device->removable = 1;
2189
2190                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2191                 scsicmd->scsi_done(scsicmd);
2192
2193                 return 0;
2194         }
2195
2196         case READ_CAPACITY:
2197         {
2198                 u32 capacity;
2199                 char cp[8];
2200
2201                 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
2202                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
2203                         capacity = fsa_dev_ptr[cid].size - 1;
2204                 else
2205                         capacity = (u32)-1;
2206
2207                 cp[0] = (capacity >> 24) & 0xff;
2208                 cp[1] = (capacity >> 16) & 0xff;
2209                 cp[2] = (capacity >> 8) & 0xff;
2210                 cp[3] = (capacity >> 0) & 0xff;
2211                 cp[4] = 0;
2212                 cp[5] = 0;
2213                 cp[6] = 2;
2214                 cp[7] = 0;
2215                 scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
2216                 /* Do not cache partition table for arrays */
2217                 scsicmd->device->removable = 1;
2218                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2219                   SAM_STAT_GOOD;
2220                 scsicmd->scsi_done(scsicmd);
2221
2222                 return 0;
2223         }
2224
2225         case MODE_SENSE:
2226         {
2227                 char mode_buf[7];
2228                 int mode_buf_length = 4;
2229
2230                 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
2231                 mode_buf[0] = 3;        /* Mode data length */
2232                 mode_buf[1] = 0;        /* Medium type - default */
2233                 mode_buf[2] = 0;        /* Device-specific param,
2234                                            bit 8: 0/1 = write enabled/protected
2235                                            bit 4: 0/1 = FUA enabled */
2236                 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
2237                         mode_buf[2] = 0x10;
2238                 mode_buf[3] = 0;        /* Block descriptor length */
2239                 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
2240                   ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
2241                         mode_buf[0] = 6;
2242                         mode_buf[4] = 8;
2243                         mode_buf[5] = 1;
2244                         mode_buf[6] = ((aac_cache & 6) == 2)
2245                                 ? 0 : 0x04; /* WCE */
2246                         mode_buf_length = 7;
2247                         if (mode_buf_length > scsicmd->cmnd[4])
2248                                 mode_buf_length = scsicmd->cmnd[4];
2249                 }
2250                 scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length);
2251                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2252                 scsicmd->scsi_done(scsicmd);
2253
2254                 return 0;
2255         }
2256         case MODE_SENSE_10:
2257         {
2258                 char mode_buf[11];
2259                 int mode_buf_length = 8;
2260
2261                 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
2262                 mode_buf[0] = 0;        /* Mode data length (MSB) */
2263                 mode_buf[1] = 6;        /* Mode data length (LSB) */
2264                 mode_buf[2] = 0;        /* Medium type - default */
2265                 mode_buf[3] = 0;        /* Device-specific param,
2266                                            bit 8: 0/1 = write enabled/protected
2267                                            bit 4: 0/1 = FUA enabled */
2268                 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
2269                         mode_buf[3] = 0x10;
2270                 mode_buf[4] = 0;        /* reserved */
2271                 mode_buf[5] = 0;        /* reserved */
2272                 mode_buf[6] = 0;        /* Block descriptor length (MSB) */
2273                 mode_buf[7] = 0;        /* Block descriptor length (LSB) */
2274                 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
2275                   ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
2276                         mode_buf[1] = 9;
2277                         mode_buf[8] = 8;
2278                         mode_buf[9] = 1;
2279                         mode_buf[10] = ((aac_cache & 6) == 2)
2280                                 ? 0 : 0x04; /* WCE */
2281                         mode_buf_length = 11;
2282                         if (mode_buf_length > scsicmd->cmnd[8])
2283                                 mode_buf_length = scsicmd->cmnd[8];
2284                 }
2285                 scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length);
2286
2287                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2288                 scsicmd->scsi_done(scsicmd);
2289
2290                 return 0;
2291         }
2292         case REQUEST_SENSE:
2293                 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
2294                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
2295                 memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
2296                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2297                 scsicmd->scsi_done(scsicmd);
2298                 return 0;
2299
2300         case ALLOW_MEDIUM_REMOVAL:
2301                 dprintk((KERN_DEBUG "LOCK command.\n"));
2302                 if (scsicmd->cmnd[4])
2303                         fsa_dev_ptr[cid].locked = 1;
2304                 else
2305                         fsa_dev_ptr[cid].locked = 0;
2306
2307                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2308                 scsicmd->scsi_done(scsicmd);
2309                 return 0;
2310         /*
2311          *      These commands are all No-Ops
2312          */
2313         case TEST_UNIT_READY:
2314                 if (fsa_dev_ptr[cid].sense_data.sense_key == NOT_READY) {
2315                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2316                                 SAM_STAT_CHECK_CONDITION;
2317                         set_sense(&dev->fsa_dev[cid].sense_data,
2318                                   NOT_READY, SENCODE_BECOMING_READY,
2319                                   ASENCODE_BECOMING_READY, 0, 0);
2320                         memcpy(scsicmd->sense_buffer,
2321                                &dev->fsa_dev[cid].sense_data,
2322                                min_t(size_t,
2323                                      sizeof(dev->fsa_dev[cid].sense_data),
2324                                      SCSI_SENSE_BUFFERSIZE));
2325                         scsicmd->scsi_done(scsicmd);
2326                         return 0;
2327                 }
2328                 /* FALLTHRU */
2329         case RESERVE:
2330         case RELEASE:
2331         case REZERO_UNIT:
2332         case REASSIGN_BLOCKS:
2333         case SEEK_10:
2334                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2335                 scsicmd->scsi_done(scsicmd);
2336                 return 0;
2337
2338         case START_STOP:
2339                 return aac_start_stop(scsicmd);
2340         }
2341
2342         switch (scsicmd->cmnd[0])
2343         {
2344                 case READ_6:
2345                 case READ_10:
2346                 case READ_12:
2347                 case READ_16:
2348                         if (dev->in_reset)
2349                                 return -1;
2350                         /*
2351                          *      Hack to keep track of ordinal number of the device that
2352                          *      corresponds to a container. Needed to convert
2353                          *      containers to /dev/sd device names
2354                          */
2355
2356                         if (scsicmd->request->rq_disk)
2357                                 strlcpy(fsa_dev_ptr[cid].devname,
2358                                 scsicmd->request->rq_disk->disk_name,
2359                                 min(sizeof(fsa_dev_ptr[cid].devname),
2360                                 sizeof(scsicmd->request->rq_disk->disk_name) + 1));
2361
2362                         return aac_read(scsicmd);
2363
2364                 case WRITE_6:
2365                 case WRITE_10:
2366                 case WRITE_12:
2367                 case WRITE_16:
2368                         if (dev->in_reset)
2369                                 return -1;
2370                         return aac_write(scsicmd);
2371
2372                 case SYNCHRONIZE_CACHE:
2373                         if (((aac_cache & 6) == 6) && dev->cache_protected) {
2374                                 scsicmd->result = DID_OK << 16 |
2375                                         COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2376                                 scsicmd->scsi_done(scsicmd);
2377                                 return 0;
2378                         }
2379                         /* Issue FIB to tell Firmware to flush it's cache */
2380                         if ((aac_cache & 6) != 2)
2381                                 return aac_synchronize(scsicmd);
2382                         /* FALLTHRU */
2383                 default:
2384                         /*
2385                          *      Unhandled commands
2386                          */
2387                         dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]));
2388                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2389                         set_sense(&dev->fsa_dev[cid].sense_data,
2390                           ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2391                           ASENCODE_INVALID_COMMAND, 0, 0);
2392                         memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2393                                 min_t(size_t,
2394                                       sizeof(dev->fsa_dev[cid].sense_data),
2395                                       SCSI_SENSE_BUFFERSIZE));
2396                         scsicmd->scsi_done(scsicmd);
2397                         return 0;
2398         }
2399 }
2400
2401 static int query_disk(struct aac_dev *dev, void __user *arg)
2402 {
2403         struct aac_query_disk qd;
2404         struct fsa_dev_info *fsa_dev_ptr;
2405
2406         fsa_dev_ptr = dev->fsa_dev;
2407         if (!fsa_dev_ptr)
2408                 return -EBUSY;
2409         if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
2410                 return -EFAULT;
2411         if (qd.cnum == -1)
2412                 qd.cnum = qd.id;
2413         else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
2414         {
2415                 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
2416                         return -EINVAL;
2417                 qd.instance = dev->scsi_host_ptr->host_no;
2418                 qd.bus = 0;
2419                 qd.id = CONTAINER_TO_ID(qd.cnum);
2420                 qd.lun = CONTAINER_TO_LUN(qd.cnum);
2421         }
2422         else return -EINVAL;
2423
2424         qd.valid = fsa_dev_ptr[qd.cnum].valid != 0;
2425         qd.locked = fsa_dev_ptr[qd.cnum].locked;
2426         qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
2427
2428         if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
2429                 qd.unmapped = 1;
2430         else
2431                 qd.unmapped = 0;
2432
2433         strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
2434           min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
2435
2436         if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
2437                 return -EFAULT;
2438         return 0;
2439 }
2440
2441 static int force_delete_disk(struct aac_dev *dev, void __user *arg)
2442 {
2443         struct aac_delete_disk dd;
2444         struct fsa_dev_info *fsa_dev_ptr;
2445
2446         fsa_dev_ptr = dev->fsa_dev;
2447         if (!fsa_dev_ptr)
2448                 return -EBUSY;
2449
2450         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2451                 return -EFAULT;
2452
2453         if (dd.cnum >= dev->maximum_num_containers)
2454                 return -EINVAL;
2455         /*
2456          *      Mark this container as being deleted.
2457          */
2458         fsa_dev_ptr[dd.cnum].deleted = 1;
2459         /*
2460          *      Mark the container as no longer valid
2461          */
2462         fsa_dev_ptr[dd.cnum].valid = 0;
2463         return 0;
2464 }
2465
2466 static int delete_disk(struct aac_dev *dev, void __user *arg)
2467 {
2468         struct aac_delete_disk dd;
2469         struct fsa_dev_info *fsa_dev_ptr;
2470
2471         fsa_dev_ptr = dev->fsa_dev;
2472         if (!fsa_dev_ptr)
2473                 return -EBUSY;
2474
2475         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2476                 return -EFAULT;
2477
2478         if (dd.cnum >= dev->maximum_num_containers)
2479                 return -EINVAL;
2480         /*
2481          *      If the container is locked, it can not be deleted by the API.
2482          */
2483         if (fsa_dev_ptr[dd.cnum].locked)
2484                 return -EBUSY;
2485         else {
2486                 /*
2487                  *      Mark the container as no longer being valid.
2488                  */
2489                 fsa_dev_ptr[dd.cnum].valid = 0;
2490                 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
2491                 return 0;
2492         }
2493 }
2494
2495 int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
2496 {
2497         switch (cmd) {
2498         case FSACTL_QUERY_DISK:
2499                 return query_disk(dev, arg);
2500         case FSACTL_DELETE_DISK:
2501                 return delete_disk(dev, arg);
2502         case FSACTL_FORCE_DELETE_DISK:
2503                 return force_delete_disk(dev, arg);
2504         case FSACTL_GET_CONTAINERS:
2505                 return aac_get_containers(dev);
2506         default:
2507                 return -ENOTTY;
2508         }
2509 }
2510
2511 /**
2512  *
2513  * aac_srb_callback
2514  * @context: the context set in the fib - here it is scsi cmd
2515  * @fibptr: pointer to the fib
2516  *
2517  * Handles the completion of a scsi command to a non dasd device
2518  *
2519  */
2520
2521 static void aac_srb_callback(void *context, struct fib * fibptr)
2522 {
2523         struct aac_dev *dev;
2524         struct aac_srb_reply *srbreply;
2525         struct scsi_cmnd *scsicmd;
2526
2527         scsicmd = (struct scsi_cmnd *) context;
2528
2529         if (!aac_valid_context(scsicmd, fibptr))
2530                 return;
2531
2532         BUG_ON(fibptr == NULL);
2533
2534         dev = fibptr->dev;
2535
2536         srbreply = (struct aac_srb_reply *) fib_data(fibptr);
2537
2538         scsicmd->sense_buffer[0] = '\0';  /* Initialize sense valid flag to false */
2539         /*
2540          *      Calculate resid for sg
2541          */
2542
2543         scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
2544                        - le32_to_cpu(srbreply->data_xfer_length));
2545
2546         scsi_dma_unmap(scsicmd);
2547
2548         /*
2549          * First check the fib status
2550          */
2551
2552         if (le32_to_cpu(srbreply->status) != ST_OK){
2553                 int len;
2554                 printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
2555                 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
2556                             SCSI_SENSE_BUFFERSIZE);
2557                 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2558                 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2559         }
2560
2561         /*
2562          * Next check the srb status
2563          */
2564         switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
2565         case SRB_STATUS_ERROR_RECOVERY:
2566         case SRB_STATUS_PENDING:
2567         case SRB_STATUS_SUCCESS:
2568                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2569                 break;
2570         case SRB_STATUS_DATA_OVERRUN:
2571                 switch(scsicmd->cmnd[0]){
2572                 case  READ_6:
2573                 case  WRITE_6:
2574                 case  READ_10:
2575                 case  WRITE_10:
2576                 case  READ_12:
2577                 case  WRITE_12:
2578                 case  READ_16:
2579                 case  WRITE_16:
2580                         if (le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow) {
2581                                 printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
2582                         } else {
2583                                 printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
2584                         }
2585                         scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2586                         break;
2587                 case INQUIRY: {
2588                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2589                         break;
2590                 }
2591                 default:
2592                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2593                         break;
2594                 }
2595                 break;
2596         case SRB_STATUS_ABORTED:
2597                 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
2598                 break;
2599         case SRB_STATUS_ABORT_FAILED:
2600                 // Not sure about this one - but assuming the hba was trying to abort for some reason
2601                 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
2602                 break;
2603         case SRB_STATUS_PARITY_ERROR:
2604                 scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
2605                 break;
2606         case SRB_STATUS_NO_DEVICE:
2607         case SRB_STATUS_INVALID_PATH_ID:
2608         case SRB_STATUS_INVALID_TARGET_ID:
2609         case SRB_STATUS_INVALID_LUN:
2610         case SRB_STATUS_SELECTION_TIMEOUT:
2611                 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
2612                 break;
2613
2614         case SRB_STATUS_COMMAND_TIMEOUT:
2615         case SRB_STATUS_TIMEOUT:
2616                 scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
2617                 break;
2618
2619         case SRB_STATUS_BUSY:
2620                 scsicmd->result = DID_BUS_BUSY << 16 | COMMAND_COMPLETE << 8;
2621                 break;
2622
2623         case SRB_STATUS_BUS_RESET:
2624                 scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
2625                 break;
2626
2627         case SRB_STATUS_MESSAGE_REJECTED:
2628                 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
2629                 break;
2630         case SRB_STATUS_REQUEST_FLUSHED:
2631         case SRB_STATUS_ERROR:
2632         case SRB_STATUS_INVALID_REQUEST:
2633         case SRB_STATUS_REQUEST_SENSE_FAILED:
2634         case SRB_STATUS_NO_HBA:
2635         case SRB_STATUS_UNEXPECTED_BUS_FREE:
2636         case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
2637         case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
2638         case SRB_STATUS_DELAYED_RETRY:
2639         case SRB_STATUS_BAD_FUNCTION:
2640         case SRB_STATUS_NOT_STARTED:
2641         case SRB_STATUS_NOT_IN_USE:
2642         case SRB_STATUS_FORCE_ABORT:
2643         case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
2644         default:
2645 #ifdef AAC_DETAILED_STATUS_INFO
2646                 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
2647                         le32_to_cpu(srbreply->srb_status) & 0x3F,
2648                         aac_get_status_string(
2649                                 le32_to_cpu(srbreply->srb_status) & 0x3F),
2650                         scsicmd->cmnd[0],
2651                         le32_to_cpu(srbreply->scsi_status));
2652 #endif
2653                 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2654                 break;
2655         }
2656         if (le32_to_cpu(srbreply->scsi_status) == SAM_STAT_CHECK_CONDITION) {
2657                 int len;
2658                 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
2659                 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
2660                             SCSI_SENSE_BUFFERSIZE);
2661 #ifdef AAC_DETAILED_STATUS_INFO
2662                 printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
2663                                         le32_to_cpu(srbreply->status), len);
2664 #endif
2665                 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2666         }
2667         /*
2668          * OR in the scsi status (already shifted up a bit)
2669          */
2670         scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
2671
2672         aac_fib_complete(fibptr);
2673         aac_fib_free(fibptr);
2674         scsicmd->scsi_done(scsicmd);
2675 }
2676
2677 /**
2678  *
2679  * aac_send_scb_fib
2680  * @scsicmd: the scsi command block
2681  *
2682  * This routine will form a FIB and fill in the aac_srb from the
2683  * scsicmd passed in.
2684  */
2685
2686 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
2687 {
2688         struct fib* cmd_fibcontext;
2689         struct aac_dev* dev;
2690         int status;
2691
2692         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2693         if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
2694                         scsicmd->device->lun > 7) {
2695                 scsicmd->result = DID_NO_CONNECT << 16;
2696                 scsicmd->scsi_done(scsicmd);
2697                 return 0;
2698         }
2699
2700         /*
2701          *      Allocate and initialize a Fib then setup a BlockWrite command
2702          */
2703         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
2704                 return -1;
2705         }
2706         status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
2707
2708         /*
2709          *      Check that the command queued to the controller
2710          */
2711         if (status == -EINPROGRESS) {
2712                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2713                 return 0;
2714         }
2715
2716         printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
2717         aac_fib_complete(cmd_fibcontext);
2718         aac_fib_free(cmd_fibcontext);
2719
2720         return -1;
2721 }
2722
2723 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
2724 {
2725         struct aac_dev *dev;
2726         unsigned long byte_count = 0;
2727         int nseg;
2728
2729         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2730         // Get rid of old data
2731         psg->count = 0;
2732         psg->sg[0].addr = 0;
2733         psg->sg[0].count = 0;
2734
2735         nseg = scsi_dma_map(scsicmd);
2736         BUG_ON(nseg < 0);
2737         if (nseg) {
2738                 struct scatterlist *sg;
2739                 int i;
2740
2741                 psg->count = cpu_to_le32(nseg);
2742
2743                 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2744                         psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
2745                         psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
2746                         byte_count += sg_dma_len(sg);
2747                 }
2748                 /* hba wants the size to be exact */
2749                 if (byte_count > scsi_bufflen(scsicmd)) {
2750                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2751                                 (byte_count - scsi_bufflen(scsicmd));
2752                         psg->sg[i-1].count = cpu_to_le32(temp);
2753                         byte_count = scsi_bufflen(scsicmd);
2754                 }
2755                 /* Check for command underflow */
2756                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2757                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2758                                         byte_count, scsicmd->underflow);
2759                 }
2760         }
2761         return byte_count;
2762 }
2763
2764
2765 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg)
2766 {
2767         struct aac_dev *dev;
2768         unsigned long byte_count = 0;
2769         u64 addr;
2770         int nseg;
2771
2772         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2773         // Get rid of old data
2774         psg->count = 0;
2775         psg->sg[0].addr[0] = 0;
2776         psg->sg[0].addr[1] = 0;
2777         psg->sg[0].count = 0;
2778
2779         nseg = scsi_dma_map(scsicmd);
2780         BUG_ON(nseg < 0);
2781         if (nseg) {
2782                 struct scatterlist *sg;
2783                 int i;
2784
2785                 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2786                         int count = sg_dma_len(sg);
2787                         addr = sg_dma_address(sg);
2788                         psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
2789                         psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
2790                         psg->sg[i].count = cpu_to_le32(count);
2791                         byte_count += count;
2792                 }
2793                 psg->count = cpu_to_le32(nseg);
2794                 /* hba wants the size to be exact */
2795                 if (byte_count > scsi_bufflen(scsicmd)) {
2796                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2797                                 (byte_count - scsi_bufflen(scsicmd));
2798                         psg->sg[i-1].count = cpu_to_le32(temp);
2799                         byte_count = scsi_bufflen(scsicmd);
2800                 }
2801                 /* Check for command underflow */
2802                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2803                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2804                                         byte_count, scsicmd->underflow);
2805                 }
2806         }
2807         return byte_count;
2808 }
2809
2810 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg)
2811 {
2812         unsigned long byte_count = 0;
2813         int nseg;
2814
2815         // Get rid of old data
2816         psg->count = 0;
2817         psg->sg[0].next = 0;
2818         psg->sg[0].prev = 0;
2819         psg->sg[0].addr[0] = 0;
2820         psg->sg[0].addr[1] = 0;
2821         psg->sg[0].count = 0;
2822         psg->sg[0].flags = 0;
2823
2824         nseg = scsi_dma_map(scsicmd);
2825         BUG_ON(nseg < 0);
2826         if (nseg) {
2827                 struct scatterlist *sg;
2828                 int i;
2829
2830                 scsi_for_each_sg(scsicmd, sg, nseg, i) {
2831                         int count = sg_dma_len(sg);
2832                         u64 addr = sg_dma_address(sg);
2833                         psg->sg[i].next = 0;
2834                         psg->sg[i].prev = 0;
2835                         psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
2836                         psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2837                         psg->sg[i].count = cpu_to_le32(count);
2838                         psg->sg[i].flags = 0;
2839                         byte_count += count;
2840                 }
2841                 psg->count = cpu_to_le32(nseg);
2842                 /* hba wants the size to be exact */
2843                 if (byte_count > scsi_bufflen(scsicmd)) {
2844                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2845                                 (byte_count - scsi_bufflen(scsicmd));
2846                         psg->sg[i-1].count = cpu_to_le32(temp);
2847                         byte_count = scsi_bufflen(scsicmd);
2848                 }
2849                 /* Check for command underflow */
2850                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2851                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2852                                         byte_count, scsicmd->underflow);
2853                 }
2854         }
2855         return byte_count;
2856 }
2857
2858 #ifdef AAC_DETAILED_STATUS_INFO
2859
2860 struct aac_srb_status_info {
2861         u32     status;
2862         char    *str;
2863 };
2864
2865
2866 static struct aac_srb_status_info srb_status_info[] = {
2867         { SRB_STATUS_PENDING,           "Pending Status"},
2868         { SRB_STATUS_SUCCESS,           "Success"},
2869         { SRB_STATUS_ABORTED,           "Aborted Command"},
2870         { SRB_STATUS_ABORT_FAILED,      "Abort Failed"},
2871         { SRB_STATUS_ERROR,             "Error Event"},
2872         { SRB_STATUS_BUSY,              "Device Busy"},
2873         { SRB_STATUS_INVALID_REQUEST,   "Invalid Request"},
2874         { SRB_STATUS_INVALID_PATH_ID,   "Invalid Path ID"},
2875         { SRB_STATUS_NO_DEVICE,         "No Device"},
2876         { SRB_STATUS_TIMEOUT,           "Timeout"},
2877         { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
2878         { SRB_STATUS_COMMAND_TIMEOUT,   "Command Timeout"},
2879         { SRB_STATUS_MESSAGE_REJECTED,  "Message Rejected"},
2880         { SRB_STATUS_BUS_RESET,         "Bus Reset"},
2881         { SRB_STATUS_PARITY_ERROR,      "Parity Error"},
2882         { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
2883         { SRB_STATUS_NO_HBA,            "No HBA"},
2884         { SRB_STATUS_DATA_OVERRUN,      "Data Overrun/Data Underrun"},
2885         { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
2886         { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
2887         { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
2888         { SRB_STATUS_REQUEST_FLUSHED,   "Request Flushed"},
2889         { SRB_STATUS_DELAYED_RETRY,     "Delayed Retry"},
2890         { SRB_STATUS_INVALID_LUN,       "Invalid LUN"},
2891         { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
2892         { SRB_STATUS_BAD_FUNCTION,      "Bad Function"},
2893         { SRB_STATUS_ERROR_RECOVERY,    "Error Recovery"},
2894         { SRB_STATUS_NOT_STARTED,       "Not Started"},
2895         { SRB_STATUS_NOT_IN_USE,        "Not In Use"},
2896         { SRB_STATUS_FORCE_ABORT,       "Force Abort"},
2897         { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
2898         { 0xff,                         "Unknown Error"}
2899 };
2900
2901 char *aac_get_status_string(u32 status)
2902 {
2903         int i;
2904
2905         for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
2906                 if (srb_status_info[i].status == status)
2907                         return srb_status_info[i].str;
2908
2909         return "Bad Status Code";
2910 }
2911
2912 #endif