drivers/scsi/aacraid/aachba.c

   1 /*
   2  *      Adaptec AAC series RAID controller driver
   3  *      (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
   4  *
   5  * based on the old aacraid driver that is..
   6  * Adaptec aacraid device driver for Linux.
   7  *
   8  * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2, or (at your option)
  13  * any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; see the file COPYING.  If not, write to
  22  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  23  *
  24  */
  25
  26 #include <linux/kernel.h>
  27 #include <linux/init.h>
  28 #include <linux/types.h>
  29 #include <linux/pci.h>
  30 #include <linux/spinlock.h>
  31 #include <linux/slab.h>
  32 #include <linux/completion.h>
  33 #include <linux/blkdev.h>
  34 #include <linux/dma-mapping.h>
  35 #include <asm/semaphore.h>
  36 #include <asm/uaccess.h>
  37
  38 #include <scsi/scsi.h>
  39 #include <scsi/scsi_cmnd.h>
  40 #include <scsi/scsi_device.h>
  41 #include <scsi/scsi_host.h>
  42
  43 #include "aacraid.h"
  44
  45 /* values for inqd_pdt: Peripheral device type in plain English */
  46 #define INQD_PDT_DA     0x00    /* Direct-access (DISK) device */
  47 #define INQD_PDT_PROC   0x03    /* Processor device */
  48 #define INQD_PDT_CHNGR  0x08    /* Changer (jukebox, scsi2) */
  49 #define INQD_PDT_COMM   0x09    /* Communication device (scsi2) */
  50 #define INQD_PDT_NOLUN2 0x1f    /* Unknown Device (scsi2) */
  51 #define INQD_PDT_NOLUN  0x7f    /* Logical Unit Not Present */
  52
  53 #define INQD_PDT_DMASK  0x1F    /* Peripheral Device Type Mask */
  54 #define INQD_PDT_QMASK  0xE0    /* Peripheral Device Qualifer Mask */
  55
  56 /*
  57  *      Sense codes
  58  */
  59
  60 #define SENCODE_NO_SENSE                        0x00
  61 #define SENCODE_END_OF_DATA                     0x00
  62 #define SENCODE_BECOMING_READY                  0x04
  63 #define SENCODE_INIT_CMD_REQUIRED               0x04
  64 #define SENCODE_PARAM_LIST_LENGTH_ERROR         0x1A
  65 #define SENCODE_INVALID_COMMAND                 0x20
  66 #define SENCODE_LBA_OUT_OF_RANGE                0x21
  67 #define SENCODE_INVALID_CDB_FIELD               0x24
  68 #define SENCODE_LUN_NOT_SUPPORTED               0x25
  69 #define SENCODE_INVALID_PARAM_FIELD             0x26
  70 #define SENCODE_PARAM_NOT_SUPPORTED             0x26
  71 #define SENCODE_PARAM_VALUE_INVALID             0x26
  72 #define SENCODE_RESET_OCCURRED                  0x29
  73 #define SENCODE_LUN_NOT_SELF_CONFIGURED_YET     0x3E
  74 #define SENCODE_INQUIRY_DATA_CHANGED            0x3F
  75 #define SENCODE_SAVING_PARAMS_NOT_SUPPORTED     0x39
  76 #define SENCODE_DIAGNOSTIC_FAILURE              0x40
  77 #define SENCODE_INTERNAL_TARGET_FAILURE         0x44
  78 #define SENCODE_INVALID_MESSAGE_ERROR           0x49
  79 #define SENCODE_LUN_FAILED_SELF_CONFIG          0x4c
  80 #define SENCODE_OVERLAPPED_COMMAND              0x4E
  81
  82 /*
  83  *      Additional sense codes
  84  */
  85
  86 #define ASENCODE_NO_SENSE                       0x00
  87 #define ASENCODE_END_OF_DATA                    0x05
  88 #define ASENCODE_BECOMING_READY                 0x01
  89 #define ASENCODE_INIT_CMD_REQUIRED              0x02
  90 #define ASENCODE_PARAM_LIST_LENGTH_ERROR        0x00
  91 #define ASENCODE_INVALID_COMMAND                0x00
  92 #define ASENCODE_LBA_OUT_OF_RANGE               0x00
  93 #define ASENCODE_INVALID_CDB_FIELD              0x00
  94 #define ASENCODE_LUN_NOT_SUPPORTED              0x00
  95 #define ASENCODE_INVALID_PARAM_FIELD            0x00
  96 #define ASENCODE_PARAM_NOT_SUPPORTED            0x01
  97 #define ASENCODE_PARAM_VALUE_INVALID            0x02
  98 #define ASENCODE_RESET_OCCURRED                 0x00
  99 #define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET    0x00
 100 #define ASENCODE_INQUIRY_DATA_CHANGED           0x03
 101 #define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED    0x00
 102 #define ASENCODE_DIAGNOSTIC_FAILURE             0x80
 103 #define ASENCODE_INTERNAL_TARGET_FAILURE        0x00
 104 #define ASENCODE_INVALID_MESSAGE_ERROR          0x00
 105 #define ASENCODE_LUN_FAILED_SELF_CONFIG         0x00
 106 #define ASENCODE_OVERLAPPED_COMMAND             0x00
 107
 108 #define BYTE0(x) (unsigned char)(x)
 109 #define BYTE1(x) (unsigned char)((x) >> 8)
 110 #define BYTE2(x) (unsigned char)((x) >> 16)
 111 #define BYTE3(x) (unsigned char)((x) >> 24)
 112
 113 /*------------------------------------------------------------------------------
 114  *              S T R U C T S / T Y P E D E F S
 115  *----------------------------------------------------------------------------*/
 116 /* SCSI inquiry data */
 117 struct inquiry_data {
 118         u8 inqd_pdt;    /* Peripheral qualifier | Peripheral Device Type  */
 119         u8 inqd_dtq;    /* RMB | Device Type Qualifier  */
 120         u8 inqd_ver;    /* ISO version | ECMA version | ANSI-approved version */
 121         u8 inqd_rdf;    /* AENC | TrmIOP | Response data format */
 122         u8 inqd_len;    /* Additional length (n-4) */
 123         u8 inqd_pad1[2];/* Reserved - must be zero */
 124         u8 inqd_pad2;   /* RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
 125         u8 inqd_vid[8]; /* Vendor ID */
 126         u8 inqd_pid[16];/* Product ID */
 127         u8 inqd_prl[4]; /* Product Revision Level */
 128 };
 129
 130 /*
 131  *              M O D U L E   G L O B A L S
 132  */
 133
 134 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap);
 135 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg);
 136 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg);
 137 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
 138 #ifdef AAC_DETAILED_STATUS_INFO
 139 static char *aac_get_status_string(u32 status);
 140 #endif
 141
 142 /*
 143  *      Non dasd selection is handled entirely in aachba now
 144  */
 145
 146 static int nondasd = -1;
 147 static int dacmode = -1;
 148
 149 static int commit = -1;
 150 int startup_timeout = 180;
 151 int aif_timeout = 120;
 152
 153 module_param(nondasd, int, S_IRUGO|S_IWUSR);
 154 MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on");
 155 module_param(dacmode, int, S_IRUGO|S_IWUSR);
 156 MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC. 0=off, 1=on");
 157 module_param(commit, int, S_IRUGO|S_IWUSR);
 158 MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the adapter for foreign arrays.\nThis is typically needed in systems that do not have a BIOS. 0=off, 1=on");
 159 module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
 160 MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for adapter to have it's kernel up and\nrunning. This is typically adjusted for large systems that do not have a BIOS.");
 161 module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
 162 MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for applications to pick up AIFs before\nderegistering them. This is typically adjusted for heavily burdened systems.");
 163
 164 int numacb = -1;
 165 module_param(numacb, int, S_IRUGO|S_IWUSR);
 166 MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control blocks (FIB) allocated. Valid values are 512 and down. Default is to use suggestion from Firmware.");
 167
 168 int acbsize = -1;
 169 module_param(acbsize, int, S_IRUGO|S_IWUSR);
 170 MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB) size. Valid values are 512, 2048, 4096 and 8192. Default is to use suggestion from Firmware.");
 171
 172 int expose_physicals = -1;
 173 module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
 174 MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays. -1=protect 0=off, 1=on");
 175
 176
 177 static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
 178                 struct fib *fibptr) {
 179         struct scsi_device *device;
 180
 181         if (unlikely(!scsicmd || !scsicmd->scsi_done )) {
 182                 dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"))
 183 ;
 184                 aac_fib_complete(fibptr);
 185                 aac_fib_free(fibptr);
 186                 return 0;
 187         }
 188         scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
 189         device = scsicmd->device;
 190         if (unlikely(!device || !scsi_device_online(device))) {
 191                 dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
 192                 aac_fib_complete(fibptr);
 193                 aac_fib_free(fibptr);
 194                 return 0;
 195         }
 196         return 1;
 197 }
 198
 199 /**
 200  *      aac_get_config_status   -       check the adapter configuration
 201  *      @common: adapter to query
 202  *
 203  *      Query config status, and commit the configuration if needed.
 204  */
 205 int aac_get_config_status(struct aac_dev *dev, int commit_flag)
 206 {
 207         int status = 0;
 208         struct fib * fibptr;
 209
 210         if (!(fibptr = aac_fib_alloc(dev)))
 211                 return -ENOMEM;
 212
 213         aac_fib_init(fibptr);
 214         {
 215                 struct aac_get_config_status *dinfo;
 216                 dinfo = (struct aac_get_config_status *) fib_data(fibptr);
 217
 218                 dinfo->command = cpu_to_le32(VM_ContainerConfig);
 219                 dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
 220                 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
 221         }
 222
 223         status = aac_fib_send(ContainerCommand,
 224                             fibptr,
 225                             sizeof (struct aac_get_config_status),
 226                             FsaNormal,
 227                             1, 1,
 228                             NULL, NULL);
 229         if (status < 0 ) {
 230                 printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
 231         } else {
 232                 struct aac_get_config_status_resp *reply
 233                   = (struct aac_get_config_status_resp *) fib_data(fibptr);
 234                 dprintk((KERN_WARNING
 235                   "aac_get_config_status: response=%d status=%d action=%d\n",
 236                   le32_to_cpu(reply->response),
 237                   le32_to_cpu(reply->status),
 238                   le32_to_cpu(reply->data.action)));
 239                 if ((le32_to_cpu(reply->response) != ST_OK) ||
 240                      (le32_to_cpu(reply->status) != CT_OK) ||
 241                      (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
 242                         printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
 243                         status = -EINVAL;
 244                 }
 245         }
 246         aac_fib_complete(fibptr);
 247         /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
 248         if (status >= 0) {
 249                 if ((commit == 1) || commit_flag) {
 250                         struct aac_commit_config * dinfo;
 251                         aac_fib_init(fibptr);
 252                         dinfo = (struct aac_commit_config *) fib_data(fibptr);
 253
 254                         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 255                         dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
 256
 257                         status = aac_fib_send(ContainerCommand,
 258                                     fibptr,
 259                                     sizeof (struct aac_commit_config),
 260                                     FsaNormal,
 261                                     1, 1,
 262                                     NULL, NULL);
 263                         aac_fib_complete(fibptr);
 264                 } else if (commit == 0) {
 265                         printk(KERN_WARNING
 266                           "aac_get_config_status: Foreign device configurations are being ignored\n");
 267                 }
 268         }
 269         aac_fib_free(fibptr);
 270         return status;
 271 }
 272
 273 /**
 274  *      aac_get_containers      -       list containers
 275  *      @common: adapter to probe
 276  *
 277  *      Make a list of all containers on this controller
 278  */
 279 int aac_get_containers(struct aac_dev *dev)
 280 {
 281         struct fsa_dev_info *fsa_dev_ptr;
 282         u32 index;
 283         int status = 0;
 284         struct fib * fibptr;
 285         struct aac_get_container_count *dinfo;
 286         struct aac_get_container_count_resp *dresp;
 287         int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 288
 289         if (!(fibptr = aac_fib_alloc(dev)))
 290                 return -ENOMEM;
 291
 292         aac_fib_init(fibptr);
 293         dinfo = (struct aac_get_container_count *) fib_data(fibptr);
 294         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 295         dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
 296
 297         status = aac_fib_send(ContainerCommand,
 298                     fibptr,
 299                     sizeof (struct aac_get_container_count),
 300                     FsaNormal,
 301                     1, 1,
 302                     NULL, NULL);
 303         if (status >= 0) {
 304                 dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
 305                 maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
 306                 aac_fib_complete(fibptr);
 307         }
 308         aac_fib_free(fibptr);
 309
 310         if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
 311                 maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 312         fsa_dev_ptr =  kmalloc(sizeof(*fsa_dev_ptr) * maximum_num_containers,
 313                         GFP_KERNEL);
 314         if (!fsa_dev_ptr)
 315                 return -ENOMEM;
 316         memset(fsa_dev_ptr, 0, sizeof(*fsa_dev_ptr) * maximum_num_containers);
 317
 318         dev->fsa_dev = fsa_dev_ptr;
 319         dev->maximum_num_containers = maximum_num_containers;
 320
 321         for (index = 0; index < dev->maximum_num_containers; ) {
 322                 fsa_dev_ptr[index].devname[0] = '\0';
 323
 324                 status = aac_probe_container(dev, index);
 325
 326                 if (status < 0) {
 327                         printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
 328                         break;
 329                 }
 330
 331                 /*
 332                  *      If there are no more containers, then stop asking.
 333                  */
 334                 if (++index >= status)
 335                         break;
 336         }
 337         return status;
 338 }
 339
 340 static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len)
 341 {
 342         void *buf;
 343         unsigned int transfer_len;
 344         struct scatterlist *sg = scsicmd->request_buffer;
 345
 346         if (scsicmd->use_sg) {
 347                 buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
 348                 transfer_len = min(sg->length, len + offset);
 349         } else {
 350                 buf = scsicmd->request_buffer;
 351                 transfer_len = min(scsicmd->request_bufflen, len + offset);
 352         }
 353         transfer_len -= offset;
 354         if (buf && transfer_len)
 355                 memcpy(buf + offset, data, transfer_len);
 356
 357         if (scsicmd->use_sg)
 358                 kunmap_atomic(buf - sg->offset, KM_IRQ0);
 359
 360 }
 361
 362 static void get_container_name_callback(void *context, struct fib * fibptr)
 363 {
 364         struct aac_get_name_resp * get_name_reply;
 365         struct scsi_cmnd * scsicmd;
 366
 367         scsicmd = (struct scsi_cmnd *) context;
 368
 369         if (!aac_valid_context(scsicmd, fibptr))
 370                 return;
 371
 372         dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
 373         BUG_ON(fibptr == NULL);
 374
 375         get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
 376         /* Failure is irrelevant, using default value instead */
 377         if ((le32_to_cpu(get_name_reply->status) == CT_OK)
 378          && (get_name_reply->data[0] != '\0')) {
 379                 char *sp = get_name_reply->data;
 380                 sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0';
 381                 while (*sp == ' ')
 382                         ++sp;
 383                 if (*sp) {
 384                         char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
 385                         int count = sizeof(d);
 386                         char *dp = d;
 387                         do {
 388                                 *dp++ = (*sp) ? *sp++ : ' ';
 389                         } while (--count > 0);
 390                         aac_internal_transfer(scsicmd, d,
 391                           offsetof(struct inquiry_data, inqd_pid), sizeof(d));
 392                 }
 393         }
 394
 395         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 396
 397         aac_fib_complete(fibptr);
 398         aac_fib_free(fibptr);
 399         scsicmd->scsi_done(scsicmd);
 400 }
 401
 402 /**
 403  *      aac_get_container_name  -       get container name, none blocking.
 404  */
 405 static int aac_get_container_name(struct scsi_cmnd * scsicmd)
 406 {
 407         int status;
 408         struct aac_get_name *dinfo;
 409         struct fib * cmd_fibcontext;
 410         struct aac_dev * dev;
 411
 412         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 413
 414         if (!(cmd_fibcontext = aac_fib_alloc(dev)))
 415                 return -ENOMEM;
 416
 417         aac_fib_init(cmd_fibcontext);
 418         dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
 419
 420         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 421         dinfo->type = cpu_to_le32(CT_READ_NAME);
 422         dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
 423         dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));
 424
 425         status = aac_fib_send(ContainerCommand,
 426                   cmd_fibcontext,
 427                   sizeof (struct aac_get_name),
 428                   FsaNormal,
 429                   0, 1,
 430                   (fib_callback) get_container_name_callback,
 431                   (void *) scsicmd);
 432
 433         /*
 434          *      Check that the command queued to the controller
 435          */
 436         if (status == -EINPROGRESS) {
 437                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 438                 return 0;
 439         }
 440
 441         printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
 442         aac_fib_complete(cmd_fibcontext);
 443         aac_fib_free(cmd_fibcontext);
 444         return -1;
 445 }
 446
 447 static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
 448 {
 449         struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 450
 451         if (fsa_dev_ptr[scmd_id(scsicmd)].valid)
 452                 return aac_scsi_cmd(scsicmd);
 453
 454         scsicmd->result = DID_NO_CONNECT << 16;
 455         scsicmd->scsi_done(scsicmd);
 456         return 0;
 457 }
 458
 459 static int _aac_probe_container2(void * context, struct fib * fibptr)
 460 {
 461         struct fsa_dev_info *fsa_dev_ptr;
 462         int (*callback)(struct scsi_cmnd *);
 463         struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context;
 464
 465         if (!aac_valid_context(scsicmd, fibptr))
 466                 return 0;
 467
 468         fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 469
 470         scsicmd->SCp.Status = 0;
 471         if (fsa_dev_ptr) {
 472                 struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
 473                 fsa_dev_ptr += scmd_id(scsicmd);
 474
 475                 if ((le32_to_cpu(dresp->status) == ST_OK) &&
 476                     (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
 477                     (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
 478                         fsa_dev_ptr->valid = 1;
 479                         fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
 480                         fsa_dev_ptr->size
 481                           = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
 482                             (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
 483                         fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0);
 484                 }
 485                 if ((fsa_dev_ptr->valid & 1) == 0)
 486                         fsa_dev_ptr->valid = 0;
 487                 scsicmd->SCp.Status = le32_to_cpu(dresp->count);
 488         }
 489         aac_fib_complete(fibptr);
 490         aac_fib_free(fibptr);
 491         callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr);
 492         scsicmd->SCp.ptr = NULL;
 493         return (*callback)(scsicmd);
 494 }
 495
 496 static int _aac_probe_container1(void * context, struct fib * fibptr)
 497 {
 498         struct scsi_cmnd * scsicmd;
 499         struct aac_mount * dresp;
 500         struct aac_query_mount *dinfo;
 501         int status;
 502
 503         dresp = (struct aac_mount *) fib_data(fibptr);
 504         dresp->mnt[0].capacityhigh = 0;
 505         if ((le32_to_cpu(dresp->status) != ST_OK) ||
 506             ((le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
 507              (le32_to_cpu(dresp->mnt[0].state) == FSCS_HIDDEN)))
 508                 return _aac_probe_container2(context, fibptr);
 509         scsicmd = (struct scsi_cmnd *) context;
 510         scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
 511
 512         if (!aac_valid_context(scsicmd, fibptr))
 513                 return 0;
 514
 515         aac_fib_init(fibptr);
 516
 517         dinfo = (struct aac_query_mount *)fib_data(fibptr);
 518
 519         dinfo->command = cpu_to_le32(VM_NameServe64);
 520         dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 521         dinfo->type = cpu_to_le32(FT_FILESYS);
 522
 523         status = aac_fib_send(ContainerCommand,
 524                           fibptr,
 525                           sizeof(struct aac_query_mount),
 526                           FsaNormal,
 527                           0, 1,
 528                           (fib_callback) _aac_probe_container2,
 529                           (void *) scsicmd);
 530         /*
 531          *      Check that the command queued to the controller
 532          */
 533         if (status == -EINPROGRESS) {
 534                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 535                 return 0;
 536         }
 537         if (status < 0) {
 538                 /* Inherit results from VM_NameServe, if any */
 539                 dresp->status = cpu_to_le32(ST_OK);
 540                 return _aac_probe_container2(context, fibptr);
 541         }
 542         return 0;
 543 }
 544
 545 static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
 546 {
 547         struct fib * fibptr;
 548         int status = -ENOMEM;
 549
 550         if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
 551                 struct aac_query_mount *dinfo;
 552
 553                 aac_fib_init(fibptr);
 554
 555                 dinfo = (struct aac_query_mount *)fib_data(fibptr);
 556
 557                 dinfo->command = cpu_to_le32(VM_NameServe);
 558                 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 559                 dinfo->type = cpu_to_le32(FT_FILESYS);
 560                 scsicmd->SCp.ptr = (char *)callback;
 561
 562                 status = aac_fib_send(ContainerCommand,
 563                           fibptr,
 564                           sizeof(struct aac_query_mount),
 565                           FsaNormal,
 566                           0, 1,
 567                           (fib_callback) _aac_probe_container1,
 568                           (void *) scsicmd);
 569                 /*
 570                  *      Check that the command queued to the controller
 571                  */
 572                 if (status == -EINPROGRESS) {
 573                         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 574                         return 0;
 575                 }
 576                 if (status < 0) {
 577                         scsicmd->SCp.ptr = NULL;
 578                         aac_fib_complete(fibptr);
 579                         aac_fib_free(fibptr);
 580                 }
 581         }
 582         if (status < 0) {
 583                 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 584                 if (fsa_dev_ptr) {
 585                         fsa_dev_ptr += scmd_id(scsicmd);
 586                         if ((fsa_dev_ptr->valid & 1) == 0) {
 587                                 fsa_dev_ptr->valid = 0;
 588                                 return (*callback)(scsicmd);
 589                         }
 590                 }
 591         }
 592         return status;
 593 }
 594
 595 /**
 596  *      aac_probe_container             -       query a logical volume
 597  *      @dev: device to query
 598  *      @cid: container identifier
 599  *
 600  *      Queries the controller about the given volume. The volume information
 601  *      is updated in the struct fsa_dev_info structure rather than returned.
 602  */
 603 static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
 604 {
 605         scsicmd->device = NULL;
 606         return 0;
 607 }
 608
 609 int aac_probe_container(struct aac_dev *dev, int cid)
 610 {
 611         struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL);
 612         struct scsi_device *scsidev = kmalloc(sizeof(*scsidev), GFP_KERNEL);
 613         int status;
 614
 615         if (!scsicmd || !scsidev) {
 616                 kfree(scsicmd);
 617                 kfree(scsidev);
 618                 return -ENOMEM;
 619         }
 620         scsicmd->list.next = NULL;
 621         scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))_aac_probe_container1;
 622
 623         scsicmd->device = scsidev;
 624         scsidev->sdev_state = 0;
 625         scsidev->id = cid;
 626         scsidev->host = dev->scsi_host_ptr;
 627
 628         if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
 629                 while (scsicmd->device == scsidev)
 630                         schedule();
 631         kfree(scsidev);
 632         status = scsicmd->SCp.Status;
 633         kfree(scsicmd);
 634         return status;
 635 }
 636
 637 /* Local Structure to set SCSI inquiry data strings */
 638 struct scsi_inq {
 639         char vid[8];         /* Vendor ID */
 640         char pid[16];        /* Product ID */
 641         char prl[4];         /* Product Revision Level */
 642 };
 643
 644 /**
 645  *      InqStrCopy      -       string merge
 646  *      @a:     string to copy from
 647  *      @b:     string to copy to
 648  *
 649  *      Copy a String from one location to another
 650  *      without copying \0
 651  */
 652
 653 static void inqstrcpy(char *a, char *b)
 654 {
 655
 656         while(*a != (char)0)
 657                 *b++ = *a++;
 658 }
 659
 660 static char *container_types[] = {
 661         "None",
 662         "Volume",
 663         "Mirror",
 664         "Stripe",
 665         "RAID5",
 666         "SSRW",
 667         "SSRO",
 668         "Morph",
 669         "Legacy",
 670         "RAID4",
 671         "RAID10",
 672         "RAID00",
 673         "V-MIRRORS",
 674         "PSEUDO R4",
 675         "RAID50",
 676         "RAID5D",
 677         "RAID5D0",
 678         "RAID1E",
 679         "RAID6",
 680         "RAID60",
 681         "Unknown"
 682 };
 683
 684
 685
 686 /* Function: setinqstr
 687  *
 688  * Arguments: [1] pointer to void [1] int
 689  *
 690  * Purpose: Sets SCSI inquiry data strings for vendor, product
 691  * and revision level. Allows strings to be set in platform dependant
 692  * files instead of in OS dependant driver source.
 693  */
 694
 695 static void setinqstr(struct aac_dev *dev, void *data, int tindex)
 696 {
 697         struct scsi_inq *str;
 698
 699         str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
 700         memset(str, ' ', sizeof(*str));
 701
 702         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 703                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 704                 int c = sizeof(str->vid);
 705                 while (*cp && *cp != ' ' && --c)
 706                         ++cp;
 707                 c = *cp;
 708                 *cp = '\0';
 709                 inqstrcpy (dev->supplement_adapter_info.AdapterTypeText,
 710                   str->vid);
 711                 *cp = c;
 712                 while (*cp && *cp != ' ')
 713                         ++cp;
 714                 while (*cp == ' ')
 715                         ++cp;
 716                 /* last six chars reserved for vol type */
 717                 c = 0;
 718                 if (strlen(cp) > sizeof(str->pid)) {
 719                         c = cp[sizeof(str->pid)];
 720                         cp[sizeof(str->pid)] = '\0';
 721                 }
 722                 inqstrcpy (cp, str->pid);
 723                 if (c)
 724                         cp[sizeof(str->pid)] = c;
 725         } else {
 726                 struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
 727
 728                 inqstrcpy (mp->vname, str->vid);
 729                 /* last six chars reserved for vol type */
 730                 inqstrcpy (mp->model, str->pid);
 731         }
 732
 733         if (tindex < ARRAY_SIZE(container_types)){
 734                 char *findit = str->pid;
 735
 736                 for ( ; *findit != ' '; findit++); /* walk till we find a space */
 737                 /* RAID is superfluous in the context of a RAID device */
 738                 if (memcmp(findit-4, "RAID", 4) == 0)
 739                         *(findit -= 4) = ' ';
 740                 if (((findit - str->pid) + strlen(container_types[tindex]))
 741                  < (sizeof(str->pid) + sizeof(str->prl)))
 742                         inqstrcpy (container_types[tindex], findit + 1);
 743         }
 744         inqstrcpy ("V1.0", str->prl);
 745 }
 746
 747 static void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code,
 748                       u8 a_sense_code, u8 incorrect_length,
 749                       u8 bit_pointer, u16 field_pointer,
 750                       u32 residue)
 751 {
 752         sense_buf[0] = 0xF0;    /* Sense data valid, err code 70h (current error) */
 753         sense_buf[1] = 0;       /* Segment number, always zero */
 754
 755         if (incorrect_length) {
 756                 sense_buf[2] = sense_key | 0x20;/* Set ILI bit | sense key */
 757                 sense_buf[3] = BYTE3(residue);
 758                 sense_buf[4] = BYTE2(residue);
 759                 sense_buf[5] = BYTE1(residue);
 760                 sense_buf[6] = BYTE0(residue);
 761         } else
 762                 sense_buf[2] = sense_key;       /* Sense key */
 763
 764         if (sense_key == ILLEGAL_REQUEST)
 765                 sense_buf[7] = 10;      /* Additional sense length */
 766         else
 767                 sense_buf[7] = 6;       /* Additional sense length */
 768
 769         sense_buf[12] = sense_code;     /* Additional sense code */
 770         sense_buf[13] = a_sense_code;   /* Additional sense code qualifier */
 771         if (sense_key == ILLEGAL_REQUEST) {
 772                 sense_buf[15] = 0;
 773
 774                 if (sense_code == SENCODE_INVALID_PARAM_FIELD)
 775                         sense_buf[15] = 0x80;/* Std sense key specific field */
 776                 /* Illegal parameter is in the parameter block */
 777
 778                 if (sense_code == SENCODE_INVALID_CDB_FIELD)
 779                         sense_buf[15] = 0xc0;/* Std sense key specific field */
 780                 /* Illegal parameter is in the CDB block */
 781                 sense_buf[15] |= bit_pointer;
 782                 sense_buf[16] = field_pointer >> 8;     /* MSB */
 783                 sense_buf[17] = field_pointer;          /* LSB */
 784         }
 785 }
 786
 787 static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
 788 {
 789         if (lba & 0xffffffff00000000LL) {
 790                 int cid = scmd_id(cmd);
 791                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
 792                 cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
 793                         SAM_STAT_CHECK_CONDITION;
 794                 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
 795                             HARDWARE_ERROR,
 796                             SENCODE_INTERNAL_TARGET_FAILURE,
 797                             ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
 798                             0, 0);
 799                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
 800                   (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(cmd->sense_buffer))
 801                     ? sizeof(cmd->sense_buffer)
 802                     : sizeof(dev->fsa_dev[cid].sense_data));
 803                 cmd->scsi_done(cmd);
 804                 return 1;
 805         }
 806         return 0;
 807 }
 808
 809 static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
 810 {
 811         return 0;
 812 }
 813
 814 static void io_callback(void *context, struct fib * fibptr);
 815
 816 static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 817 {
 818         u16 fibsize;
 819         struct aac_raw_io *readcmd;
 820         aac_fib_init(fib);
 821         readcmd = (struct aac_raw_io *) fib_data(fib);
 822         readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
 823         readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
 824         readcmd->count = cpu_to_le32(count<<9);
 825         readcmd->cid = cpu_to_le16(scmd_id(cmd));
 826         readcmd->flags = cpu_to_le16(1);
 827         readcmd->bpTotal = 0;
 828         readcmd->bpComplete = 0;
 829
 830         aac_build_sgraw(cmd, &readcmd->sg);
 831         fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
 832         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
 833         /*
 834          *      Now send the Fib to the adapter
 835          */
 836         return aac_fib_send(ContainerRawIo,
 837                           fib,
 838                           fibsize,
 839                           FsaNormal,
 840                           0, 1,
 841                           (fib_callback) io_callback,
 842                           (void *) cmd);
 843 }
 844
 845 static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 846 {
 847         u16 fibsize;
 848         struct aac_read64 *readcmd;
 849         aac_fib_init(fib);
 850         readcmd = (struct aac_read64 *) fib_data(fib);
 851         readcmd->command = cpu_to_le32(VM_CtHostRead64);
 852         readcmd->cid = cpu_to_le16(scmd_id(cmd));
 853         readcmd->sector_count = cpu_to_le16(count);
 854         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
 855         readcmd->pad   = 0;
 856         readcmd->flags = 0;
 857
 858         aac_build_sg64(cmd, &readcmd->sg);
 859         fibsize = sizeof(struct aac_read64) +
 860                 ((le32_to_cpu(readcmd->sg.count) - 1) *
 861                  sizeof (struct sgentry64));
 862         BUG_ON (fibsize > (fib->dev->max_fib_size -
 863                                 sizeof(struct aac_fibhdr)));
 864         /*
 865          *      Now send the Fib to the adapter
 866          */
 867         return aac_fib_send(ContainerCommand64,
 868                           fib,
 869                           fibsize,
 870                           FsaNormal,
 871                           0, 1,
 872                           (fib_callback) io_callback,
 873                           (void *) cmd);
 874 }
 875
 876 static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 877 {
 878         u16 fibsize;
 879         struct aac_read *readcmd;
 880         aac_fib_init(fib);
 881         readcmd = (struct aac_read *) fib_data(fib);
 882         readcmd->command = cpu_to_le32(VM_CtBlockRead);
 883         readcmd->cid = cpu_to_le16(scmd_id(cmd));
 884         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
 885         readcmd->count = cpu_to_le32(count * 512);
 886
 887         aac_build_sg(cmd, &readcmd->sg);
 888         fibsize = sizeof(struct aac_read) +
 889                         ((le32_to_cpu(readcmd->sg.count) - 1) *
 890                          sizeof (struct sgentry));
 891         BUG_ON (fibsize > (fib->dev->max_fib_size -
 892                                 sizeof(struct aac_fibhdr)));
 893         /*
 894          *      Now send the Fib to the adapter
 895          */
 896         return aac_fib_send(ContainerCommand,
 897                           fib,
 898                           fibsize,
 899                           FsaNormal,
 900                           0, 1,
 901                           (fib_callback) io_callback,
 902                           (void *) cmd);
 903 }
 904
 905 static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 906 {
 907         u16 fibsize;
 908         struct aac_raw_io *writecmd;
 909         aac_fib_init(fib);
 910         writecmd = (struct aac_raw_io *) fib_data(fib);
 911         writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
 912         writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
 913         writecmd->count = cpu_to_le32(count<<9);
 914         writecmd->cid = cpu_to_le16(scmd_id(cmd));
 915         writecmd->flags = 0;
 916         writecmd->bpTotal = 0;
 917         writecmd->bpComplete = 0;
 918
 919         aac_build_sgraw(cmd, &writecmd->sg);
 920         fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
 921         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
 922         /*
 923          *      Now send the Fib to the adapter
 924          */
 925         return aac_fib_send(ContainerRawIo,
 926                           fib,
 927                           fibsize,
 928                           FsaNormal,
 929                           0, 1,
 930                           (fib_callback) io_callback,
 931                           (void *) cmd);
 932 }
 933
 934 static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 935 {
 936         u16 fibsize;
 937         struct aac_write64 *writecmd;
 938         aac_fib_init(fib);
 939         writecmd = (struct aac_write64 *) fib_data(fib);
 940         writecmd->command = cpu_to_le32(VM_CtHostWrite64);
 941         writecmd->cid = cpu_to_le16(scmd_id(cmd));
 942         writecmd->sector_count = cpu_to_le16(count);
 943         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
 944         writecmd->pad   = 0;
 945         writecmd->flags = 0;
 946
 947         aac_build_sg64(cmd, &writecmd->sg);
 948         fibsize = sizeof(struct aac_write64) +
 949                 ((le32_to_cpu(writecmd->sg.count) - 1) *
 950                  sizeof (struct sgentry64));
 951         BUG_ON (fibsize > (fib->dev->max_fib_size -
 952                                 sizeof(struct aac_fibhdr)));
 953         /*
 954          *      Now send the Fib to the adapter
 955          */
 956         return aac_fib_send(ContainerCommand64,
 957                           fib,
 958                           fibsize,
 959                           FsaNormal,
 960                           0, 1,
 961                           (fib_callback) io_callback,
 962                           (void *) cmd);
 963 }
 964
 965 static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 966 {
 967         u16 fibsize;
 968         struct aac_write *writecmd;
 969         aac_fib_init(fib);
 970         writecmd = (struct aac_write *) fib_data(fib);
 971         writecmd->command = cpu_to_le32(VM_CtBlockWrite);
 972         writecmd->cid = cpu_to_le16(scmd_id(cmd));
 973         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
 974         writecmd->count = cpu_to_le32(count * 512);
 975         writecmd->sg.count = cpu_to_le32(1);
 976         /* ->stable is not used - it did mean which type of write */
 977
 978         aac_build_sg(cmd, &writecmd->sg);
 979         fibsize = sizeof(struct aac_write) +
 980                 ((le32_to_cpu(writecmd->sg.count) - 1) *
 981                  sizeof (struct sgentry));
 982         BUG_ON (fibsize > (fib->dev->max_fib_size -
 983                                 sizeof(struct aac_fibhdr)));
 984         /*
 985          *      Now send the Fib to the adapter
 986          */
 987         return aac_fib_send(ContainerCommand,
 988                           fib,
 989                           fibsize,
 990                           FsaNormal,
 991                           0, 1,
 992                           (fib_callback) io_callback,
 993                           (void *) cmd);
 994 }
 995
 996 static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
 997 {
 998         struct aac_srb * srbcmd;
 999         u32 flag;
1000         u32 timeout;
1001
1002         aac_fib_init(fib);
1003         switch(cmd->sc_data_direction){
1004         case DMA_TO_DEVICE:
1005                 flag = SRB_DataOut;
1006                 break;
1007         case DMA_BIDIRECTIONAL:
1008                 flag = SRB_DataIn | SRB_DataOut;
1009                 break;
1010         case DMA_FROM_DEVICE:
1011                 flag = SRB_DataIn;
1012                 break;
1013         case DMA_NONE:
1014         default:        /* shuts up some versions of gcc */
1015                 flag = SRB_NoDataXfer;
1016                 break;
1017         }
1018
1019         srbcmd = (struct aac_srb*) fib_data(fib);
1020         srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1021         srbcmd->channel  = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1022         srbcmd->id       = cpu_to_le32(scmd_id(cmd));
1023         srbcmd->lun      = cpu_to_le32(cmd->device->lun);
1024         srbcmd->flags    = cpu_to_le32(flag);
1025         timeout = cmd->timeout_per_command/HZ;
1026         if (timeout == 0)
1027                 timeout = 1;
1028         srbcmd->timeout  = cpu_to_le32(timeout);  // timeout in seconds
1029         srbcmd->retry_limit = 0; /* Obsolete parameter */
1030         srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1031         return srbcmd;
1032 }
1033
1034 static void aac_srb_callback(void *context, struct fib * fibptr);
1035
1036 static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1037 {
1038         u16 fibsize;
1039         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1040
1041         aac_build_sg64(cmd, (struct sgmap64*) &srbcmd->sg);
1042         srbcmd->count = cpu_to_le32(cmd->request_bufflen);
1043
1044         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1045         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1046         /*
1047          *      Build Scatter/Gather list
1048          */
1049         fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1050                 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1051                  sizeof (struct sgentry64));
1052         BUG_ON (fibsize > (fib->dev->max_fib_size -
1053                                 sizeof(struct aac_fibhdr)));
1054
1055         /*
1056          *      Now send the Fib to the adapter
1057          */
1058         return aac_fib_send(ScsiPortCommand64, fib,
1059                                 fibsize, FsaNormal, 0, 1,
1060                                   (fib_callback) aac_srb_callback,
1061                                   (void *) cmd);
1062 }
1063
1064 static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1065 {
1066         u16 fibsize;
1067         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1068
1069         aac_build_sg(cmd, (struct sgmap*)&srbcmd->sg);
1070         srbcmd->count = cpu_to_le32(cmd->request_bufflen);
1071
1072         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1073         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1074         /*
1075          *      Build Scatter/Gather list
1076          */
1077         fibsize = sizeof (struct aac_srb) +
1078                 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1079                  sizeof (struct sgentry));
1080         BUG_ON (fibsize > (fib->dev->max_fib_size -
1081                                 sizeof(struct aac_fibhdr)));
1082
1083         /*
1084          *      Now send the Fib to the adapter
1085          */
1086         return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1087                                   (fib_callback) aac_srb_callback, (void *) cmd);
1088 }
1089
1090 int aac_get_adapter_info(struct aac_dev* dev)
1091 {
1092         struct fib* fibptr;
1093         int rcode;
1094         u32 tmp;
1095         struct aac_adapter_info *info;
1096         struct aac_bus_info *command;
1097         struct aac_bus_info_response *bus_info;
1098
1099         if (!(fibptr = aac_fib_alloc(dev)))
1100                 return -ENOMEM;
1101
1102         aac_fib_init(fibptr);
1103         info = (struct aac_adapter_info *) fib_data(fibptr);
1104         memset(info,0,sizeof(*info));
1105
1106         rcode = aac_fib_send(RequestAdapterInfo,
1107                          fibptr,
1108                          sizeof(*info),
1109                          FsaNormal,
1110                          -1, 1, /* First `interrupt' command uses special wait */
1111                          NULL,
1112                          NULL);
1113
1114         if (rcode < 0) {
1115                 aac_fib_complete(fibptr);
1116                 aac_fib_free(fibptr);
1117                 return rcode;
1118         }
1119         memcpy(&dev->adapter_info, info, sizeof(*info));
1120
1121         if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
1122                 struct aac_supplement_adapter_info * info;
1123
1124                 aac_fib_init(fibptr);
1125
1126                 info = (struct aac_supplement_adapter_info *) fib_data(fibptr);
1127
1128                 memset(info,0,sizeof(*info));
1129
1130                 rcode = aac_fib_send(RequestSupplementAdapterInfo,
1131                                  fibptr,
1132                                  sizeof(*info),
1133                                  FsaNormal,
1134                                  1, 1,
1135                                  NULL,
1136                                  NULL);
1137
1138                 if (rcode >= 0)
1139                         memcpy(&dev->supplement_adapter_info, info, sizeof(*info));
1140         }
1141
1142
1143         /*
1144          * GetBusInfo
1145          */
1146
1147         aac_fib_init(fibptr);
1148
1149         bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
1150
1151         memset(bus_info, 0, sizeof(*bus_info));
1152
1153         command = (struct aac_bus_info *)bus_info;
1154
1155         command->Command = cpu_to_le32(VM_Ioctl);
1156         command->ObjType = cpu_to_le32(FT_DRIVE);
1157         command->MethodId = cpu_to_le32(1);
1158         command->CtlCmd = cpu_to_le32(GetBusInfo);
1159
1160         rcode = aac_fib_send(ContainerCommand,
1161                          fibptr,
1162                          sizeof (*bus_info),
1163                          FsaNormal,
1164                          1, 1,
1165                          NULL, NULL);
1166
1167         if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
1168                 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
1169                 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
1170         }
1171
1172         if (!dev->in_reset) {
1173                 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1174                 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
1175                         dev->name,
1176                         dev->id,
1177                         tmp>>24,
1178                         (tmp>>16)&0xff,
1179                         tmp&0xff,
1180                         le32_to_cpu(dev->adapter_info.kernelbuild),
1181                         (int)sizeof(dev->supplement_adapter_info.BuildDate),
1182                         dev->supplement_adapter_info.BuildDate);
1183                 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1184                 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
1185                         dev->name, dev->id,
1186                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1187                         le32_to_cpu(dev->adapter_info.monitorbuild));
1188                 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1189                 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
1190                         dev->name, dev->id,
1191                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1192                         le32_to_cpu(dev->adapter_info.biosbuild));
1193                 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1194                         printk(KERN_INFO "%s%d: serial %x\n",
1195                                 dev->name, dev->id,
1196                                 le32_to_cpu(dev->adapter_info.serial[0]));
1197         }
1198
1199         dev->nondasd_support = 0;
1200         dev->raid_scsi_mode = 0;
1201         if(dev->adapter_info.options & AAC_OPT_NONDASD){
1202                 dev->nondasd_support = 1;
1203         }
1204
1205         /*
1206          * If the firmware supports ROMB RAID/SCSI mode and we are currently
1207          * in RAID/SCSI mode, set the flag. For now if in this mode we will
1208          * force nondasd support on. If we decide to allow the non-dasd flag
1209          * additional changes changes will have to be made to support
1210          * RAID/SCSI.  the function aac_scsi_cmd in this module will have to be
1211          * changed to support the new dev->raid_scsi_mode flag instead of
1212          * leaching off of the dev->nondasd_support flag. Also in linit.c the
1213          * function aac_detect will have to be modified where it sets up the
1214          * max number of channels based on the aac->nondasd_support flag only.
1215          */
1216         if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
1217             (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
1218                 dev->nondasd_support = 1;
1219                 dev->raid_scsi_mode = 1;
1220         }
1221         if (dev->raid_scsi_mode != 0)
1222                 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
1223                                 dev->name, dev->id);
1224
1225         if(nondasd != -1) {
1226                 dev->nondasd_support = (nondasd!=0);
1227         }
1228         if(dev->nondasd_support != 0){
1229                 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
1230         }
1231
1232         dev->dac_support = 0;
1233         if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){
1234                 printk(KERN_INFO "%s%d: 64bit support enabled.\n", dev->name, dev->id);
1235                 dev->dac_support = 1;
1236         }
1237
1238         if(dacmode != -1) {
1239                 dev->dac_support = (dacmode!=0);
1240         }
1241         if(dev->dac_support != 0) {
1242                 if (!pci_set_dma_mask(dev->pdev, DMA_64BIT_MASK) &&
1243                         !pci_set_consistent_dma_mask(dev->pdev, DMA_64BIT_MASK)) {
1244                         printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
1245                                 dev->name, dev->id);
1246                 } else if (!pci_set_dma_mask(dev->pdev, DMA_32BIT_MASK) &&
1247                         !pci_set_consistent_dma_mask(dev->pdev, DMA_32BIT_MASK)) {
1248                         printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
1249                                 dev->name, dev->id);
1250                         dev->dac_support = 0;
1251                 } else {
1252                         printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
1253                                 dev->name, dev->id);
1254                         rcode = -ENOMEM;
1255                 }
1256         }
1257         /*
1258          * Deal with configuring for the individualized limits of each packet
1259          * interface.
1260          */
1261         dev->a_ops.adapter_scsi = (dev->dac_support)
1262                                 ? aac_scsi_64
1263                                 : aac_scsi_32;
1264         if (dev->raw_io_interface) {
1265                 dev->a_ops.adapter_bounds = (dev->raw_io_64)
1266                                         ? aac_bounds_64
1267                                         : aac_bounds_32;
1268                 dev->a_ops.adapter_read = aac_read_raw_io;
1269                 dev->a_ops.adapter_write = aac_write_raw_io;
1270         } else {
1271                 dev->a_ops.adapter_bounds = aac_bounds_32;
1272                 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
1273                         sizeof(struct aac_fibhdr) -
1274                         sizeof(struct aac_write) + sizeof(struct sgentry)) /
1275                                 sizeof(struct sgentry);
1276                 if (dev->dac_support) {
1277                         dev->a_ops.adapter_read = aac_read_block64;
1278                         dev->a_ops.adapter_write = aac_write_block64;
1279                         /*
1280                          * 38 scatter gather elements
1281                          */
1282                         dev->scsi_host_ptr->sg_tablesize =
1283                                 (dev->max_fib_size -
1284                                 sizeof(struct aac_fibhdr) -
1285                                 sizeof(struct aac_write64) +
1286                                 sizeof(struct sgentry64)) /
1287                                         sizeof(struct sgentry64);
1288                 } else {
1289                         dev->a_ops.adapter_read = aac_read_block;
1290                         dev->a_ops.adapter_write = aac_write_block;
1291                 }
1292                 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
1293                 if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
1294                         /*
1295                          * Worst case size that could cause sg overflow when
1296                          * we break up SG elements that are larger than 64KB.
1297                          * Would be nice if we could tell the SCSI layer what
1298                          * the maximum SG element size can be. Worst case is
1299                          * (sg_tablesize-1) 4KB elements with one 64KB
1300                          * element.
1301                          *      32bit -> 468 or 238KB   64bit -> 424 or 212KB
1302                          */
1303                         dev->scsi_host_ptr->max_sectors =
1304                           (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
1305                 }
1306         }
1307
1308         aac_fib_complete(fibptr);
1309         aac_fib_free(fibptr);
1310
1311         return rcode;
1312 }
1313
1314
1315 static void io_callback(void *context, struct fib * fibptr)
1316 {
1317         struct aac_dev *dev;
1318         struct aac_read_reply *readreply;
1319         struct scsi_cmnd *scsicmd;
1320         u32 cid;
1321
1322         scsicmd = (struct scsi_cmnd *) context;
1323
1324         if (!aac_valid_context(scsicmd, fibptr))
1325                 return;
1326
1327         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1328         cid = scmd_id(scsicmd);
1329
1330         if (nblank(dprintk(x))) {
1331                 u64 lba;
1332                 switch (scsicmd->cmnd[0]) {
1333                 case WRITE_6:
1334                 case READ_6:
1335                         lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1336                             (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1337                         break;
1338                 case WRITE_16:
1339                 case READ_16:
1340                         lba = ((u64)scsicmd->cmnd[2] << 56) |
1341                               ((u64)scsicmd->cmnd[3] << 48) |
1342                               ((u64)scsicmd->cmnd[4] << 40) |
1343                               ((u64)scsicmd->cmnd[5] << 32) |
1344                               ((u64)scsicmd->cmnd[6] << 24) |
1345                               (scsicmd->cmnd[7] << 16) |
1346                               (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1347                         break;
1348                 case WRITE_12:
1349                 case READ_12:
1350                         lba = ((u64)scsicmd->cmnd[2] << 24) |
1351                               (scsicmd->cmnd[3] << 16) |
1352                               (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1353                         break;
1354                 default:
1355                         lba = ((u64)scsicmd->cmnd[2] << 24) |
1356                                (scsicmd->cmnd[3] << 16) |
1357                                (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1358                         break;
1359                 }
1360                 printk(KERN_DEBUG
1361                   "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
1362                   smp_processor_id(), (unsigned long long)lba, jiffies);
1363         }
1364
1365         BUG_ON(fibptr == NULL);
1366
1367         if(scsicmd->use_sg)
1368                 pci_unmap_sg(dev->pdev,
1369                         (struct scatterlist *)scsicmd->request_buffer,
1370                         scsicmd->use_sg,
1371                         scsicmd->sc_data_direction);
1372         else if(scsicmd->request_bufflen)
1373                 pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle,
1374                                  scsicmd->request_bufflen,
1375                                  scsicmd->sc_data_direction);
1376         readreply = (struct aac_read_reply *)fib_data(fibptr);
1377         if (le32_to_cpu(readreply->status) == ST_OK)
1378                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1379         else {
1380 #ifdef AAC_DETAILED_STATUS_INFO
1381                 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
1382                   le32_to_cpu(readreply->status));
1383 #endif
1384                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1385                 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1386                                     HARDWARE_ERROR,
1387                                     SENCODE_INTERNAL_TARGET_FAILURE,
1388                                     ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1389                                     0, 0);
1390                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1391                   (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1392                     ? sizeof(scsicmd->sense_buffer)
1393                     : sizeof(dev->fsa_dev[cid].sense_data));
1394         }
1395         aac_fib_complete(fibptr);
1396         aac_fib_free(fibptr);
1397
1398         scsicmd->scsi_done(scsicmd);
1399 }
1400
1401 static int aac_read(struct scsi_cmnd * scsicmd)
1402 {
1403         u64 lba;
1404         u32 count;
1405         int status;
1406         struct aac_dev *dev;
1407         struct fib * cmd_fibcontext;
1408
1409         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1410         /*
1411          *      Get block address and transfer length
1412          */
1413         switch (scsicmd->cmnd[0]) {
1414         case READ_6:
1415                 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
1416
1417                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1418                         (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1419                 count = scsicmd->cmnd[4];
1420
1421                 if (count == 0)
1422                         count = 256;
1423                 break;
1424         case READ_16:
1425                 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
1426
1427                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
1428                         ((u64)scsicmd->cmnd[3] << 48) |
1429                         ((u64)scsicmd->cmnd[4] << 40) |
1430                         ((u64)scsicmd->cmnd[5] << 32) |
1431                         ((u64)scsicmd->cmnd[6] << 24) |
1432                         (scsicmd->cmnd[7] << 16) |
1433                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1434                 count = (scsicmd->cmnd[10] << 24) |
1435                         (scsicmd->cmnd[11] << 16) |
1436                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1437                 break;
1438         case READ_12:
1439                 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
1440
1441                 lba = ((u64)scsicmd->cmnd[2] << 24) |
1442                         (scsicmd->cmnd[3] << 16) |
1443                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1444                 count = (scsicmd->cmnd[6] << 24) |
1445                         (scsicmd->cmnd[7] << 16) |
1446                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1447                 break;
1448         default:
1449                 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
1450
1451                 lba = ((u64)scsicmd->cmnd[2] << 24) |
1452                         (scsicmd->cmnd[3] << 16) |
1453                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1454                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1455                 break;
1456         }
1457         dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
1458           smp_processor_id(), (unsigned long long)lba, jiffies));
1459         if (aac_adapter_bounds(dev,scsicmd,lba))
1460                 return 0;
1461         /*
1462          *      Alocate and initialize a Fib
1463          */
1464         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1465                 return -1;
1466         }
1467
1468         status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
1469
1470         /*
1471          *      Check that the command queued to the controller
1472          */
1473         if (status == -EINPROGRESS) {
1474                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1475                 return 0;
1476         }
1477
1478         printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
1479         /*
1480          *      For some reason, the Fib didn't queue, return QUEUE_FULL
1481          */
1482         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1483         scsicmd->scsi_done(scsicmd);
1484         aac_fib_complete(cmd_fibcontext);
1485         aac_fib_free(cmd_fibcontext);
1486         return 0;
1487 }
1488
1489 static int aac_write(struct scsi_cmnd * scsicmd)
1490 {
1491         u64 lba;
1492         u32 count;
1493         int status;
1494         struct aac_dev *dev;
1495         struct fib * cmd_fibcontext;
1496
1497         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1498         /*
1499          *      Get block address and transfer length
1500          */
1501         if (scsicmd->cmnd[0] == WRITE_6)        /* 6 byte command */
1502         {
1503                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1504                 count = scsicmd->cmnd[4];
1505                 if (count == 0)
1506                         count = 256;
1507         } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
1508                 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
1509
1510                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
1511                         ((u64)scsicmd->cmnd[3] << 48) |
1512                         ((u64)scsicmd->cmnd[4] << 40) |
1513                         ((u64)scsicmd->cmnd[5] << 32) |
1514                         ((u64)scsicmd->cmnd[6] << 24) |
1515                         (scsicmd->cmnd[7] << 16) |
1516                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1517                 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
1518                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1519         } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
1520                 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
1521
1522                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
1523                     | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1524                 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
1525                       | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1526         } else {
1527                 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
1528                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1529                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1530         }
1531         dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
1532           smp_processor_id(), (unsigned long long)lba, jiffies));
1533         if (aac_adapter_bounds(dev,scsicmd,lba))
1534                 return 0;
1535         /*
1536          *      Allocate and initialize a Fib then setup a BlockWrite command
1537          */
1538         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1539                 scsicmd->result = DID_ERROR << 16;
1540                 scsicmd->scsi_done(scsicmd);
1541                 return 0;
1542         }
1543
1544         status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count);
1545
1546         /*
1547          *      Check that the command queued to the controller
1548          */
1549         if (status == -EINPROGRESS) {
1550                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1551                 return 0;
1552         }
1553
1554         printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
1555         /*
1556          *      For some reason, the Fib didn't queue, return QUEUE_FULL
1557          */
1558         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1559         scsicmd->scsi_done(scsicmd);
1560
1561         aac_fib_complete(cmd_fibcontext);
1562         aac_fib_free(cmd_fibcontext);
1563         return 0;
1564 }
1565
1566 static void synchronize_callback(void *context, struct fib *fibptr)
1567 {
1568         struct aac_synchronize_reply *synchronizereply;
1569         struct scsi_cmnd *cmd;
1570
1571         cmd = context;
1572
1573         if (!aac_valid_context(cmd, fibptr))
1574                 return;
1575
1576         dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
1577                                 smp_processor_id(), jiffies));
1578         BUG_ON(fibptr == NULL);
1579
1580
1581         synchronizereply = fib_data(fibptr);
1582         if (le32_to_cpu(synchronizereply->status) == CT_OK)
1583                 cmd->result = DID_OK << 16 |
1584                         COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1585         else {
1586                 struct scsi_device *sdev = cmd->device;
1587                 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1588                 u32 cid = sdev_id(sdev);
1589                 printk(KERN_WARNING
1590                      "synchronize_callback: synchronize failed, status = %d\n",
1591                      le32_to_cpu(synchronizereply->status));
1592                 cmd->result = DID_OK << 16 |
1593                         COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1594                 set_sense((u8 *)&dev->fsa_dev[cid].sense_data,
1595                                     HARDWARE_ERROR,
1596                                     SENCODE_INTERNAL_TARGET_FAILURE,
1597                                     ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1598                                     0, 0);
1599                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1600                   min(sizeof(dev->fsa_dev[cid].sense_data),
1601                           sizeof(cmd->sense_buffer)));
1602         }
1603
1604         aac_fib_complete(fibptr);
1605         aac_fib_free(fibptr);
1606         cmd->scsi_done(cmd);
1607 }
1608
1609 static int aac_synchronize(struct scsi_cmnd *scsicmd)
1610 {
1611         int status;
1612         struct fib *cmd_fibcontext;
1613         struct aac_synchronize *synchronizecmd;
1614         struct scsi_cmnd *cmd;
1615         struct scsi_device *sdev = scsicmd->device;
1616         int active = 0;
1617         struct aac_dev *aac;
1618         unsigned long flags;
1619
1620         /*
1621          * Wait for all outstanding queued commands to complete to this
1622          * specific target (block).
1623          */
1624         spin_lock_irqsave(&sdev->list_lock, flags);
1625         list_for_each_entry(cmd, &sdev->cmd_list, list)
1626                 if (cmd != scsicmd && cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
1627                         ++active;
1628                         break;
1629                 }
1630
1631         spin_unlock_irqrestore(&sdev->list_lock, flags);
1632
1633         /*
1634          *      Yield the processor (requeue for later)
1635          */
1636         if (active)
1637                 return SCSI_MLQUEUE_DEVICE_BUSY;
1638
1639         aac = (struct aac_dev *)scsicmd->device->host->hostdata;
1640         if (aac->in_reset)
1641                 return SCSI_MLQUEUE_HOST_BUSY;
1642
1643         /*
1644          *      Allocate and initialize a Fib
1645          */
1646         if (!(cmd_fibcontext = aac_fib_alloc(aac)))
1647                 return SCSI_MLQUEUE_HOST_BUSY;
1648
1649         aac_fib_init(cmd_fibcontext);
1650
1651         synchronizecmd = fib_data(cmd_fibcontext);
1652         synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
1653         synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
1654         synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
1655         synchronizecmd->count =
1656              cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
1657
1658         /*
1659          *      Now send the Fib to the adapter
1660          */
1661         status = aac_fib_send(ContainerCommand,
1662                   cmd_fibcontext,
1663                   sizeof(struct aac_synchronize),
1664                   FsaNormal,
1665                   0, 1,
1666                   (fib_callback)synchronize_callback,
1667                   (void *)scsicmd);
1668
1669         /*
1670          *      Check that the command queued to the controller
1671          */
1672         if (status == -EINPROGRESS) {
1673                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1674                 return 0;
1675         }
1676
1677         printk(KERN_WARNING
1678                 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
1679         aac_fib_complete(cmd_fibcontext);
1680         aac_fib_free(cmd_fibcontext);
1681         return SCSI_MLQUEUE_HOST_BUSY;
1682 }
1683
1684 /**
1685  *      aac_scsi_cmd()          -       Process SCSI command
1686  *      @scsicmd:               SCSI command block
1687  *
1688  *      Emulate a SCSI command and queue the required request for the
1689  *      aacraid firmware.
1690  */
1691
1692 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
1693 {
1694         u32 cid = 0;
1695         struct Scsi_Host *host = scsicmd->device->host;
1696         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
1697         struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
1698
1699         if (fsa_dev_ptr == NULL)
1700                 return -1;
1701         /*
1702          *      If the bus, id or lun is out of range, return fail
1703          *      Test does not apply to ID 16, the pseudo id for the controller
1704          *      itself.
1705          */
1706         if (scmd_id(scsicmd) != host->this_id) {
1707                 if ((scmd_channel(scsicmd) == CONTAINER_CHANNEL)) {
1708                         if((scmd_id(scsicmd) >= dev->maximum_num_containers) ||
1709                                         (scsicmd->device->lun != 0)) {
1710                                 scsicmd->result = DID_NO_CONNECT << 16;
1711                                 scsicmd->scsi_done(scsicmd);
1712                                 return 0;
1713                         }
1714                         cid = scmd_id(scsicmd);
1715
1716                         /*
1717                          *      If the target container doesn't exist, it may have
1718                          *      been newly created
1719                          */
1720                         if ((fsa_dev_ptr[cid].valid & 1) == 0) {
1721                                 switch (scsicmd->cmnd[0]) {
1722                                 case SERVICE_ACTION_IN:
1723                                         if (!(dev->raw_io_interface) ||
1724                                             !(dev->raw_io_64) ||
1725                                             ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
1726                                                 break;
1727                                 case INQUIRY:
1728                                 case READ_CAPACITY:
1729                                 case TEST_UNIT_READY:
1730                                         if (dev->in_reset)
1731                                                 return -1;
1732                                         return _aac_probe_container(scsicmd,
1733                                                         aac_probe_container_callback2);
1734                                 default:
1735                                         break;
1736                                 }
1737                         }
1738                 } else {  /* check for physical non-dasd devices */
1739                         if ((dev->nondasd_support == 1) || expose_physicals) {
1740                                 if (dev->in_reset)
1741                                         return -1;
1742                                 return aac_send_srb_fib(scsicmd);
1743                         } else {
1744                                 scsicmd->result = DID_NO_CONNECT << 16;
1745                                 scsicmd->scsi_done(scsicmd);
1746                                 return 0;
1747                         }
1748                 }
1749         }
1750         /*
1751          * else Command for the controller itself
1752          */
1753         else if ((scsicmd->cmnd[0] != INQUIRY) &&       /* only INQUIRY & TUR cmnd supported for controller */
1754                 (scsicmd->cmnd[0] != TEST_UNIT_READY))
1755         {
1756                 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
1757                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1758                 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1759                             ILLEGAL_REQUEST,
1760                             SENCODE_INVALID_COMMAND,
1761                             ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
1762                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1763                   (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1764                     ? sizeof(scsicmd->sense_buffer)
1765                     : sizeof(dev->fsa_dev[cid].sense_data));
1766                 scsicmd->scsi_done(scsicmd);
1767                 return 0;
1768         }
1769
1770
1771         /* Handle commands here that don't really require going out to the adapter */
1772         switch (scsicmd->cmnd[0]) {
1773         case INQUIRY:
1774         {
1775                 struct inquiry_data inq_data;
1776
1777                 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", scmd_id(scsicmd)));
1778                 memset(&inq_data, 0, sizeof (struct inquiry_data));
1779
1780                 inq_data.inqd_ver = 2;  /* claim compliance to SCSI-2 */
1781                 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 */
1782                 inq_data.inqd_len = 31;
1783                 /*Format for "pad2" is  RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
1784                 inq_data.inqd_pad2= 0x32 ;       /*WBus16|Sync|CmdQue */
1785                 /*
1786                  *      Set the Vendor, Product, and Revision Level
1787                  *      see: <vendor>.c i.e. aac.c
1788                  */
1789                 if (scmd_id(scsicmd) == host->this_id) {
1790                         setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
1791                         inq_data.inqd_pdt = INQD_PDT_PROC;      /* Processor device */
1792                         aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
1793                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1794                         scsicmd->scsi_done(scsicmd);
1795                         return 0;
1796                 }
1797                 if (dev->in_reset)
1798                         return -1;
1799                 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
1800                 inq_data.inqd_pdt = INQD_PDT_DA;        /* Direct/random access device */
1801                 aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
1802                 return aac_get_container_name(scsicmd);
1803         }
1804         case SERVICE_ACTION_IN:
1805                 if (!(dev->raw_io_interface) ||
1806                     !(dev->raw_io_64) ||
1807                     ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
1808                         break;
1809         {
1810                 u64 capacity;
1811                 char cp[13];
1812
1813                 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
1814                 capacity = fsa_dev_ptr[cid].size - 1;
1815                 cp[0] = (capacity >> 56) & 0xff;
1816                 cp[1] = (capacity >> 48) & 0xff;
1817                 cp[2] = (capacity >> 40) & 0xff;
1818                 cp[3] = (capacity >> 32) & 0xff;
1819                 cp[4] = (capacity >> 24) & 0xff;
1820                 cp[5] = (capacity >> 16) & 0xff;
1821                 cp[6] = (capacity >> 8) & 0xff;
1822                 cp[7] = (capacity >> 0) & 0xff;
1823                 cp[8] = 0;
1824                 cp[9] = 0;
1825                 cp[10] = 2;
1826                 cp[11] = 0;
1827                 cp[12] = 0;
1828                 aac_internal_transfer(scsicmd, cp, 0,
1829                   min_t(size_t, scsicmd->cmnd[13], sizeof(cp)));
1830                 if (sizeof(cp) < scsicmd->cmnd[13]) {
1831                         unsigned int len, offset = sizeof(cp);
1832
1833                         memset(cp, 0, offset);
1834                         do {
1835                                 len = min_t(size_t, scsicmd->cmnd[13] - offset,
1836                                                 sizeof(cp));
1837                                 aac_internal_transfer(scsicmd, cp, offset, len);
1838                         } while ((offset += len) < scsicmd->cmnd[13]);
1839                 }
1840
1841                 /* Do not cache partition table for arrays */
1842                 scsicmd->device->removable = 1;
1843
1844                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1845                 scsicmd->scsi_done(scsicmd);
1846
1847                 return 0;
1848         }
1849
1850         case READ_CAPACITY:
1851         {
1852                 u32 capacity;
1853                 char cp[8];
1854
1855                 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
1856                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
1857                         capacity = fsa_dev_ptr[cid].size - 1;
1858                 else
1859                         capacity = (u32)-1;
1860
1861                 cp[0] = (capacity >> 24) & 0xff;
1862                 cp[1] = (capacity >> 16) & 0xff;
1863                 cp[2] = (capacity >> 8) & 0xff;
1864                 cp[3] = (capacity >> 0) & 0xff;
1865                 cp[4] = 0;
1866                 cp[5] = 0;
1867                 cp[6] = 2;
1868                 cp[7] = 0;
1869                 aac_internal_transfer(scsicmd, cp, 0, sizeof(cp));
1870                 /* Do not cache partition table for arrays */
1871                 scsicmd->device->removable = 1;
1872
1873                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1874                 scsicmd->scsi_done(scsicmd);
1875
1876                 return 0;
1877         }
1878
1879         case MODE_SENSE:
1880         {
1881                 char mode_buf[4];
1882
1883                 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
1884                 mode_buf[0] = 3;        /* Mode data length */
1885                 mode_buf[1] = 0;        /* Medium type - default */
1886                 mode_buf[2] = 0;        /* Device-specific param, bit 8: 0/1 = write enabled/protected */
1887                 mode_buf[3] = 0;        /* Block descriptor length */
1888
1889                 aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
1890                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1891                 scsicmd->scsi_done(scsicmd);
1892
1893                 return 0;
1894         }
1895         case MODE_SENSE_10:
1896         {
1897                 char mode_buf[8];
1898
1899                 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
1900                 mode_buf[0] = 0;        /* Mode data length (MSB) */
1901                 mode_buf[1] = 6;        /* Mode data length (LSB) */
1902                 mode_buf[2] = 0;        /* Medium type - default */
1903                 mode_buf[3] = 0;        /* Device-specific param, bit 8: 0/1 = write enabled/protected */
1904                 mode_buf[4] = 0;        /* reserved */
1905                 mode_buf[5] = 0;        /* reserved */
1906                 mode_buf[6] = 0;        /* Block descriptor length (MSB) */
1907                 mode_buf[7] = 0;        /* Block descriptor length (LSB) */
1908                 aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
1909
1910                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1911                 scsicmd->scsi_done(scsicmd);
1912
1913                 return 0;
1914         }
1915         case REQUEST_SENSE:
1916                 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
1917                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
1918                 memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
1919                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1920                 scsicmd->scsi_done(scsicmd);
1921                 return 0;
1922
1923         case ALLOW_MEDIUM_REMOVAL:
1924                 dprintk((KERN_DEBUG "LOCK command.\n"));
1925                 if (scsicmd->cmnd[4])
1926                         fsa_dev_ptr[cid].locked = 1;
1927                 else
1928                         fsa_dev_ptr[cid].locked = 0;
1929
1930                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1931                 scsicmd->scsi_done(scsicmd);
1932                 return 0;
1933         /*
1934          *      These commands are all No-Ops
1935          */
1936         case TEST_UNIT_READY:
1937         case RESERVE:
1938         case RELEASE:
1939         case REZERO_UNIT:
1940         case REASSIGN_BLOCKS:
1941         case SEEK_10:
1942         case START_STOP:
1943                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1944                 scsicmd->scsi_done(scsicmd);
1945                 return 0;
1946         }
1947
1948         switch (scsicmd->cmnd[0])
1949         {
1950                 case READ_6:
1951                 case READ_10:
1952                 case READ_12:
1953                 case READ_16:
1954                         if (dev->in_reset)
1955                                 return -1;
1956                         /*
1957                          *      Hack to keep track of ordinal number of the device that
1958                          *      corresponds to a container. Needed to convert
1959                          *      containers to /dev/sd device names
1960                          */
1961
1962                         if (scsicmd->request->rq_disk)
1963                                 strlcpy(fsa_dev_ptr[cid].devname,
1964                                 scsicmd->request->rq_disk->disk_name,
1965                                 min(sizeof(fsa_dev_ptr[cid].devname),
1966                                 sizeof(scsicmd->request->rq_disk->disk_name) + 1));
1967
1968                         return aac_read(scsicmd);
1969
1970                 case WRITE_6:
1971                 case WRITE_10:
1972                 case WRITE_12:
1973                 case WRITE_16:
1974                         if (dev->in_reset)
1975                                 return -1;
1976                         return aac_write(scsicmd);
1977
1978                 case SYNCHRONIZE_CACHE:
1979                         /* Issue FIB to tell Firmware to flush it's cache */
1980                         return aac_synchronize(scsicmd);
1981
1982                 default:
1983                         /*
1984                          *      Unhandled commands
1985                          */
1986                         dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]));
1987                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1988                         set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1989                                 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
1990                                 ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
1991                         memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1992                           (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1993                             ? sizeof(scsicmd->sense_buffer)
1994                             : sizeof(dev->fsa_dev[cid].sense_data));
1995                         scsicmd->scsi_done(scsicmd);
1996                         return 0;
1997         }
1998 }
1999
2000 static int query_disk(struct aac_dev *dev, void __user *arg)
2001 {
2002         struct aac_query_disk qd;
2003         struct fsa_dev_info *fsa_dev_ptr;
2004
2005         fsa_dev_ptr = dev->fsa_dev;
2006         if (!fsa_dev_ptr)
2007                 return -EBUSY;
2008         if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
2009                 return -EFAULT;
2010         if (qd.cnum == -1)
2011                 qd.cnum = qd.id;
2012         else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
2013         {
2014                 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
2015                         return -EINVAL;
2016                 qd.instance = dev->scsi_host_ptr->host_no;
2017                 qd.bus = 0;
2018                 qd.id = CONTAINER_TO_ID(qd.cnum);
2019                 qd.lun = CONTAINER_TO_LUN(qd.cnum);
2020         }
2021         else return -EINVAL;
2022
2023         qd.valid = fsa_dev_ptr[qd.cnum].valid;
2024         qd.locked = fsa_dev_ptr[qd.cnum].locked;
2025         qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
2026
2027         if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
2028                 qd.unmapped = 1;
2029         else
2030                 qd.unmapped = 0;
2031
2032         strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
2033           min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
2034
2035         if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
2036                 return -EFAULT;
2037         return 0;
2038 }
2039
2040 static int force_delete_disk(struct aac_dev *dev, void __user *arg)
2041 {
2042         struct aac_delete_disk dd;
2043         struct fsa_dev_info *fsa_dev_ptr;
2044
2045         fsa_dev_ptr = dev->fsa_dev;
2046         if (!fsa_dev_ptr)
2047                 return -EBUSY;
2048
2049         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2050                 return -EFAULT;
2051
2052         if (dd.cnum >= dev->maximum_num_containers)
2053                 return -EINVAL;
2054         /*
2055          *      Mark this container as being deleted.
2056          */
2057         fsa_dev_ptr[dd.cnum].deleted = 1;
2058         /*
2059          *      Mark the container as no longer valid
2060          */
2061         fsa_dev_ptr[dd.cnum].valid = 0;
2062         return 0;
2063 }
2064
2065 static int delete_disk(struct aac_dev *dev, void __user *arg)
2066 {
2067         struct aac_delete_disk dd;
2068         struct fsa_dev_info *fsa_dev_ptr;
2069
2070         fsa_dev_ptr = dev->fsa_dev;
2071         if (!fsa_dev_ptr)
2072                 return -EBUSY;
2073
2074         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2075                 return -EFAULT;
2076
2077         if (dd.cnum >= dev->maximum_num_containers)
2078                 return -EINVAL;
2079         /*
2080          *      If the container is locked, it can not be deleted by the API.
2081          */
2082         if (fsa_dev_ptr[dd.cnum].locked)
2083                 return -EBUSY;
2084         else {
2085                 /*
2086                  *      Mark the container as no longer being valid.
2087                  */
2088                 fsa_dev_ptr[dd.cnum].valid = 0;
2089                 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
2090                 return 0;
2091         }
2092 }
2093
2094 int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
2095 {
2096         switch (cmd) {
2097         case FSACTL_QUERY_DISK:
2098                 return query_disk(dev, arg);
2099         case FSACTL_DELETE_DISK:
2100                 return delete_disk(dev, arg);
2101         case FSACTL_FORCE_DELETE_DISK:
2102                 return force_delete_disk(dev, arg);
2103         case FSACTL_GET_CONTAINERS:
2104                 return aac_get_containers(dev);
2105         default:
2106                 return -ENOTTY;
2107         }
2108 }
2109
2110 /**
2111  *
2112  * aac_srb_callback
2113  * @context: the context set in the fib - here it is scsi cmd
2114  * @fibptr: pointer to the fib
2115  *
2116  * Handles the completion of a scsi command to a non dasd device
2117  *
2118  */
2119
2120 static void aac_srb_callback(void *context, struct fib * fibptr)
2121 {
2122         struct aac_dev *dev;
2123         struct aac_srb_reply *srbreply;
2124         struct scsi_cmnd *scsicmd;
2125
2126         scsicmd = (struct scsi_cmnd *) context;
2127
2128         if (!aac_valid_context(scsicmd, fibptr))
2129                 return;
2130
2131         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2132
2133         BUG_ON(fibptr == NULL);
2134
2135         srbreply = (struct aac_srb_reply *) fib_data(fibptr);
2136
2137         scsicmd->sense_buffer[0] = '\0';  /* Initialize sense valid flag to false */
2138         /*
2139          *      Calculate resid for sg
2140          */
2141
2142         scsicmd->resid = scsicmd->request_bufflen -
2143                 le32_to_cpu(srbreply->data_xfer_length);
2144
2145         if(scsicmd->use_sg)
2146                 pci_unmap_sg(dev->pdev,
2147                         (struct scatterlist *)scsicmd->request_buffer,
2148                         scsicmd->use_sg,
2149                         scsicmd->sc_data_direction);
2150         else if(scsicmd->request_bufflen)
2151                 pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, scsicmd->request_bufflen,
2152                         scsicmd->sc_data_direction);
2153
2154         /*
2155          * First check the fib status
2156          */
2157
2158         if (le32_to_cpu(srbreply->status) != ST_OK){
2159                 int len;
2160                 printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
2161                 len = (le32_to_cpu(srbreply->sense_data_size) >
2162                                 sizeof(scsicmd->sense_buffer)) ?
2163                                 sizeof(scsicmd->sense_buffer) :
2164                                 le32_to_cpu(srbreply->sense_data_size);
2165                 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2166                 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2167         }
2168
2169         /*
2170          * Next check the srb status
2171          */
2172         switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
2173         case SRB_STATUS_ERROR_RECOVERY:
2174         case SRB_STATUS_PENDING:
2175         case SRB_STATUS_SUCCESS:
2176                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2177                 break;
2178         case SRB_STATUS_DATA_OVERRUN:
2179                 switch(scsicmd->cmnd[0]){
2180                 case  READ_6:
2181                 case  WRITE_6:
2182                 case  READ_10:
2183                 case  WRITE_10:
2184                 case  READ_12:
2185                 case  WRITE_12:
2186                 case  READ_16:
2187                 case  WRITE_16:
2188                         if(le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow ) {
2189                                 printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
2190                         } else {
2191                                 printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
2192                         }
2193                         scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2194                         break;
2195                 case INQUIRY: {
2196                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2197                         break;
2198                 }
2199                 default:
2200                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2201                         break;
2202                 }
2203                 break;
2204         case SRB_STATUS_ABORTED:
2205                 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
2206                 break;
2207         case SRB_STATUS_ABORT_FAILED:
2208                 // Not sure about this one - but assuming the hba was trying to abort for some reason
2209                 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
2210                 break;
2211         case SRB_STATUS_PARITY_ERROR:
2212                 scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
2213                 break;
2214         case SRB_STATUS_NO_DEVICE:
2215         case SRB_STATUS_INVALID_PATH_ID:
2216         case SRB_STATUS_INVALID_TARGET_ID:
2217         case SRB_STATUS_INVALID_LUN:
2218         case SRB_STATUS_SELECTION_TIMEOUT:
2219                 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
2220                 break;
2221
2222         case SRB_STATUS_COMMAND_TIMEOUT:
2223         case SRB_STATUS_TIMEOUT:
2224                 scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
2225                 break;
2226
2227         case SRB_STATUS_BUSY:
2228                 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
2229                 break;
2230
2231         case SRB_STATUS_BUS_RESET:
2232                 scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
2233                 break;
2234
2235         case SRB_STATUS_MESSAGE_REJECTED:
2236                 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
2237                 break;
2238         case SRB_STATUS_REQUEST_FLUSHED:
2239         case SRB_STATUS_ERROR:
2240         case SRB_STATUS_INVALID_REQUEST:
2241         case SRB_STATUS_REQUEST_SENSE_FAILED:
2242         case SRB_STATUS_NO_HBA:
2243         case SRB_STATUS_UNEXPECTED_BUS_FREE:
2244         case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
2245         case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
2246         case SRB_STATUS_DELAYED_RETRY:
2247         case SRB_STATUS_BAD_FUNCTION:
2248         case SRB_STATUS_NOT_STARTED:
2249         case SRB_STATUS_NOT_IN_USE:
2250         case SRB_STATUS_FORCE_ABORT:
2251         case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
2252         default:
2253 #ifdef AAC_DETAILED_STATUS_INFO
2254                 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
2255                         le32_to_cpu(srbreply->srb_status) & 0x3F,
2256                         aac_get_status_string(
2257                                 le32_to_cpu(srbreply->srb_status) & 0x3F),
2258                         scsicmd->cmnd[0],
2259                         le32_to_cpu(srbreply->scsi_status));
2260 #endif
2261                 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2262                 break;
2263         }
2264         if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){  // Check Condition
2265                 int len;
2266                 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
2267                 len = (le32_to_cpu(srbreply->sense_data_size) >
2268                                 sizeof(scsicmd->sense_buffer)) ?
2269                                 sizeof(scsicmd->sense_buffer) :
2270                                 le32_to_cpu(srbreply->sense_data_size);
2271 #ifdef AAC_DETAILED_STATUS_INFO
2272                 printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
2273                                         le32_to_cpu(srbreply->status), len);
2274 #endif
2275                 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2276
2277         }
2278         /*
2279          * OR in the scsi status (already shifted up a bit)
2280          */
2281         scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
2282
2283         aac_fib_complete(fibptr);
2284         aac_fib_free(fibptr);
2285         scsicmd->scsi_done(scsicmd);
2286 }
2287
2288 /**
2289  *
2290  * aac_send_scb_fib
2291  * @scsicmd: the scsi command block
2292  *
2293  * This routine will form a FIB and fill in the aac_srb from the
2294  * scsicmd passed in.
2295  */
2296
2297 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
2298 {
2299         struct fib* cmd_fibcontext;
2300         struct aac_dev* dev;
2301         int status;
2302
2303         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2304         if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
2305                         scsicmd->device->lun > 7) {
2306                 scsicmd->result = DID_NO_CONNECT << 16;
2307                 scsicmd->scsi_done(scsicmd);
2308                 return 0;
2309         }
2310
2311         /*
2312          *      Allocate and initialize a Fib then setup a BlockWrite command
2313          */
2314         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
2315                 return -1;
2316         }
2317         status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
2318
2319         /*
2320          *      Check that the command queued to the controller
2321          */
2322         if (status == -EINPROGRESS) {
2323                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2324                 return 0;
2325         }
2326
2327         printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
2328         aac_fib_complete(cmd_fibcontext);
2329         aac_fib_free(cmd_fibcontext);
2330
2331         return -1;
2332 }
2333
2334 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
2335 {
2336         struct aac_dev *dev;
2337         unsigned long byte_count = 0;
2338
2339         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2340         // Get rid of old data
2341         psg->count = 0;
2342         psg->sg[0].addr = 0;
2343         psg->sg[0].count = 0;
2344         if (scsicmd->use_sg) {
2345                 struct scatterlist *sg;
2346                 int i;
2347                 int sg_count;
2348                 sg = (struct scatterlist *) scsicmd->request_buffer;
2349
2350                 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
2351                         scsicmd->sc_data_direction);
2352                 psg->count = cpu_to_le32(sg_count);
2353
2354                 for (i = 0; i < sg_count; i++) {
2355                         psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
2356                         psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
2357                         byte_count += sg_dma_len(sg);
2358                         sg++;
2359                 }
2360                 /* hba wants the size to be exact */
2361                 if(byte_count > scsicmd->request_bufflen){
2362                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2363                                 (byte_count - scsicmd->request_bufflen);
2364                         psg->sg[i-1].count = cpu_to_le32(temp);
2365                         byte_count = scsicmd->request_bufflen;
2366                 }
2367                 /* Check for command underflow */
2368                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2369                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2370                                         byte_count, scsicmd->underflow);
2371                 }
2372         }
2373         else if(scsicmd->request_bufflen) {
2374                 u32 addr;
2375                 scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
2376                                 scsicmd->request_buffer,
2377                                 scsicmd->request_bufflen,
2378                                 scsicmd->sc_data_direction);
2379                 addr = scsicmd->SCp.dma_handle;
2380                 psg->count = cpu_to_le32(1);
2381                 psg->sg[0].addr = cpu_to_le32(addr);
2382                 psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
2383                 byte_count = scsicmd->request_bufflen;
2384         }
2385         return byte_count;
2386 }
2387
2388
2389 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg)
2390 {
2391         struct aac_dev *dev;
2392         unsigned long byte_count = 0;
2393         u64 addr;
2394
2395         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2396         // Get rid of old data
2397         psg->count = 0;
2398         psg->sg[0].addr[0] = 0;
2399         psg->sg[0].addr[1] = 0;
2400         psg->sg[0].count = 0;
2401         if (scsicmd->use_sg) {
2402                 struct scatterlist *sg;
2403                 int i;
2404                 int sg_count;
2405                 sg = (struct scatterlist *) scsicmd->request_buffer;
2406
2407                 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
2408                         scsicmd->sc_data_direction);
2409
2410                 for (i = 0; i < sg_count; i++) {
2411                         int count = sg_dma_len(sg);
2412                         addr = sg_dma_address(sg);
2413                         psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
2414                         psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
2415                         psg->sg[i].count = cpu_to_le32(count);
2416                         byte_count += count;
2417                         sg++;
2418                 }
2419                 psg->count = cpu_to_le32(sg_count);
2420                 /* hba wants the size to be exact */
2421                 if(byte_count > scsicmd->request_bufflen){
2422                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2423                                 (byte_count - scsicmd->request_bufflen);
2424                         psg->sg[i-1].count = cpu_to_le32(temp);
2425                         byte_count = scsicmd->request_bufflen;
2426                 }
2427                 /* Check for command underflow */
2428                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2429                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2430                                         byte_count, scsicmd->underflow);
2431                 }
2432         }
2433         else if(scsicmd->request_bufflen) {
2434                 scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
2435                                 scsicmd->request_buffer,
2436                                 scsicmd->request_bufflen,
2437                                 scsicmd->sc_data_direction);
2438                 addr = scsicmd->SCp.dma_handle;
2439                 psg->count = cpu_to_le32(1);
2440                 psg->sg[0].addr[0] = cpu_to_le32(addr & 0xffffffff);
2441                 psg->sg[0].addr[1] = cpu_to_le32(addr >> 32);
2442                 psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
2443                 byte_count = scsicmd->request_bufflen;
2444         }
2445         return byte_count;
2446 }
2447
2448 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg)
2449 {
2450         struct Scsi_Host *host = scsicmd->device->host;
2451         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
2452         unsigned long byte_count = 0;
2453
2454         // Get rid of old data
2455         psg->count = 0;
2456         psg->sg[0].next = 0;
2457         psg->sg[0].prev = 0;
2458         psg->sg[0].addr[0] = 0;
2459         psg->sg[0].addr[1] = 0;
2460         psg->sg[0].count = 0;
2461         psg->sg[0].flags = 0;
2462         if (scsicmd->use_sg) {
2463                 struct scatterlist *sg;
2464                 int i;
2465                 int sg_count;
2466                 sg = (struct scatterlist *) scsicmd->request_buffer;
2467
2468                 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
2469                         scsicmd->sc_data_direction);
2470
2471                 for (i = 0; i < sg_count; i++) {
2472                         int count = sg_dma_len(sg);
2473                         u64 addr = sg_dma_address(sg);
2474                         psg->sg[i].next = 0;
2475                         psg->sg[i].prev = 0;
2476                         psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
2477                         psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2478                         psg->sg[i].count = cpu_to_le32(count);
2479                         psg->sg[i].flags = 0;
2480                         byte_count += count;
2481                         sg++;
2482                 }
2483                 psg->count = cpu_to_le32(sg_count);
2484                 /* hba wants the size to be exact */
2485                 if(byte_count > scsicmd->request_bufflen){
2486                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2487                                 (byte_count - scsicmd->request_bufflen);
2488                         psg->sg[i-1].count = cpu_to_le32(temp);
2489                         byte_count = scsicmd->request_bufflen;
2490                 }
2491                 /* Check for command underflow */
2492                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2493                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2494                                         byte_count, scsicmd->underflow);
2495                 }
2496         }
2497         else if(scsicmd->request_bufflen) {
2498                 int count;
2499                 u64 addr;
2500                 scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
2501                                 scsicmd->request_buffer,
2502                                 scsicmd->request_bufflen,
2503                                 scsicmd->sc_data_direction);
2504                 addr = scsicmd->SCp.dma_handle;
2505                 count = scsicmd->request_bufflen;
2506                 psg->count = cpu_to_le32(1);
2507                 psg->sg[0].next = 0;
2508                 psg->sg[0].prev = 0;
2509                 psg->sg[0].addr[1] = cpu_to_le32((u32)(addr>>32));
2510                 psg->sg[0].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2511                 psg->sg[0].count = cpu_to_le32(count);
2512                 psg->sg[0].flags = 0;
2513                 byte_count = scsicmd->request_bufflen;
2514         }
2515         return byte_count;
2516 }
2517
2518 #ifdef AAC_DETAILED_STATUS_INFO
2519
2520 struct aac_srb_status_info {
2521         u32     status;
2522         char    *str;
2523 };
2524
2525
2526 static struct aac_srb_status_info srb_status_info[] = {
2527         { SRB_STATUS_PENDING,           "Pending Status"},
2528         { SRB_STATUS_SUCCESS,           "Success"},
2529         { SRB_STATUS_ABORTED,           "Aborted Command"},
2530         { SRB_STATUS_ABORT_FAILED,      "Abort Failed"},
2531         { SRB_STATUS_ERROR,             "Error Event"},
2532         { SRB_STATUS_BUSY,              "Device Busy"},
2533         { SRB_STATUS_INVALID_REQUEST,   "Invalid Request"},
2534         { SRB_STATUS_INVALID_PATH_ID,   "Invalid Path ID"},
2535         { SRB_STATUS_NO_DEVICE,         "No Device"},
2536         { SRB_STATUS_TIMEOUT,           "Timeout"},
2537         { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
2538         { SRB_STATUS_COMMAND_TIMEOUT,   "Command Timeout"},
2539         { SRB_STATUS_MESSAGE_REJECTED,  "Message Rejected"},
2540         { SRB_STATUS_BUS_RESET,         "Bus Reset"},
2541         { SRB_STATUS_PARITY_ERROR,      "Parity Error"},
2542         { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
2543         { SRB_STATUS_NO_HBA,            "No HBA"},
2544         { SRB_STATUS_DATA_OVERRUN,      "Data Overrun/Data Underrun"},
2545         { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
2546         { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
2547         { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
2548         { SRB_STATUS_REQUEST_FLUSHED,   "Request Flushed"},
2549         { SRB_STATUS_DELAYED_RETRY,     "Delayed Retry"},
2550         { SRB_STATUS_INVALID_LUN,       "Invalid LUN"},
2551         { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
2552         { SRB_STATUS_BAD_FUNCTION,      "Bad Function"},
2553         { SRB_STATUS_ERROR_RECOVERY,    "Error Recovery"},
2554         { SRB_STATUS_NOT_STARTED,       "Not Started"},
2555         { SRB_STATUS_NOT_IN_USE,        "Not In Use"},
2556         { SRB_STATUS_FORCE_ABORT,       "Force Abort"},
2557         { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
2558         { 0xff,                         "Unknown Error"}
2559 };
2560
2561 char *aac_get_status_string(u32 status)
2562 {
2563         int i;
2564
2565         for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
2566                 if (srb_status_info[i].status == status)
2567                         return srb_status_info[i].str;
2568
2569         return "Bad Status Code";
2570 }
2571
2572 #endif