SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/scsi/aacraid/aachba.c

   1 /*
   2  *      Adaptec AAC series RAID controller driver
   3  *      (c) Copyright 2001 Red Hat Inc. <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         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 > 0)
 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                 return _aac_probe_container2(context, fibptr);
 508         scsicmd = (struct scsi_cmnd *) context;
 509         scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
 510
 511         if (!aac_valid_context(scsicmd, fibptr))
 512                 return 0;
 513
 514         aac_fib_init(fibptr);
 515
 516         dinfo = (struct aac_query_mount *)fib_data(fibptr);
 517
 518         dinfo->command = cpu_to_le32(VM_NameServe64);
 519         dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 520         dinfo->type = cpu_to_le32(FT_FILESYS);
 521
 522         status = aac_fib_send(ContainerCommand,
 523                           fibptr,
 524                           sizeof(struct aac_query_mount),
 525                           FsaNormal,
 526                           0, 1,
 527                           (fib_callback) _aac_probe_container2,
 528                           (void *) scsicmd);
 529         /*
 530          *      Check that the command queued to the controller
 531          */
 532         if (status == -EINPROGRESS) {
 533                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 534                 return 0;
 535         }
 536         if (status < 0) {
 537                 /* Inherit results from VM_NameServe, if any */
 538                 dresp->status = cpu_to_le32(ST_OK);
 539                 return _aac_probe_container2(context, fibptr);
 540         }
 541         return 0;
 542 }
 543
 544 static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
 545 {
 546         struct fib * fibptr;
 547         int status = -ENOMEM;
 548
 549         if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
 550                 struct aac_query_mount *dinfo;
 551
 552                 aac_fib_init(fibptr);
 553
 554                 dinfo = (struct aac_query_mount *)fib_data(fibptr);
 555
 556                 dinfo->command = cpu_to_le32(VM_NameServe);
 557                 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 558                 dinfo->type = cpu_to_le32(FT_FILESYS);
 559                 scsicmd->SCp.ptr = (char *)callback;
 560
 561                 status = aac_fib_send(ContainerCommand,
 562                           fibptr,
 563                           sizeof(struct aac_query_mount),
 564                           FsaNormal,
 565                           0, 1,
 566                           (fib_callback) _aac_probe_container1,
 567                           (void *) scsicmd);
 568                 /*
 569                  *      Check that the command queued to the controller
 570                  */
 571                 if (status == -EINPROGRESS) {
 572                         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 573                         return 0;
 574                 }
 575                 if (status < 0) {
 576                         scsicmd->SCp.ptr = NULL;
 577                         aac_fib_complete(fibptr);
 578                         aac_fib_free(fibptr);
 579                 }
 580         }
 581         if (status < 0) {
 582                 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 583                 if (fsa_dev_ptr) {
 584                         fsa_dev_ptr += scmd_id(scsicmd);
 585                         if ((fsa_dev_ptr->valid & 1) == 0) {
 586                                 fsa_dev_ptr->valid = 0;
 587                                 return (*callback)(scsicmd);
 588                         }
 589                 }
 590         }
 591         return status;
 592 }
 593
 594 /**
 595  *      aac_probe_container             -       query a logical volume
 596  *      @dev: device to query
 597  *      @cid: container identifier
 598  *
 599  *      Queries the controller about the given volume. The volume information
 600  *      is updated in the struct fsa_dev_info structure rather than returned.
 601  */
 602 static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
 603 {
 604         scsicmd->device = NULL;
 605         return 0;
 606 }
 607
 608 int aac_probe_container(struct aac_dev *dev, int cid)
 609 {
 610         struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL);
 611         struct scsi_device *scsidev = kmalloc(sizeof(*scsidev), GFP_KERNEL);
 612         int status;
 613
 614         if (!scsicmd || !scsidev) {
 615                 kfree(scsicmd);
 616                 kfree(scsidev);
 617                 return -ENOMEM;
 618         }
 619         scsicmd->list.next = NULL;
 620         scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))_aac_probe_container1;
 621
 622         scsicmd->device = scsidev;
 623         scsidev->sdev_state = 0;
 624         scsidev->id = cid;
 625         scsidev->host = dev->scsi_host_ptr;
 626
 627         if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
 628                 while (scsicmd->device == scsidev)
 629                         schedule();
 630         kfree(scsidev);
 631         status = scsicmd->SCp.Status;
 632         kfree(scsicmd);
 633         return status;
 634 }
 635
 636 /* Local Structure to set SCSI inquiry data strings */
 637 struct scsi_inq {
 638         char vid[8];         /* Vendor ID */
 639         char pid[16];        /* Product ID */
 640         char prl[4];         /* Product Revision Level */
 641 };
 642
 643 /**
 644  *      InqStrCopy      -       string merge
 645  *      @a:     string to copy from
 646  *      @b:     string to copy to
 647  *
 648  *      Copy a String from one location to another
 649  *      without copying \0
 650  */
 651
 652 static void inqstrcpy(char *a, char *b)
 653 {
 654
 655         while(*a != (char)0)
 656                 *b++ = *a++;
 657 }
 658
 659 static char *container_types[] = {
 660         "None",
 661         "Volume",
 662         "Mirror",
 663         "Stripe",
 664         "RAID5",
 665         "SSRW",
 666         "SSRO",
 667         "Morph",
 668         "Legacy",
 669         "RAID4",
 670         "RAID10",
 671         "RAID00",
 672         "V-MIRRORS",
 673         "PSEUDO R4",
 674         "RAID50",
 675         "RAID5D",
 676         "RAID5D0",
 677         "RAID1E",
 678         "RAID6",
 679         "RAID60",
 680         "Unknown"
 681 };
 682
 683
 684
 685 /* Function: setinqstr
 686  *
 687  * Arguments: [1] pointer to void [1] int
 688  *
 689  * Purpose: Sets SCSI inquiry data strings for vendor, product
 690  * and revision level. Allows strings to be set in platform dependant
 691  * files instead of in OS dependant driver source.
 692  */
 693
 694 static void setinqstr(struct aac_dev *dev, void *data, int tindex)
 695 {
 696         struct scsi_inq *str;
 697
 698         str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
 699         memset(str, ' ', sizeof(*str));
 700
 701         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 702                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 703                 int c = sizeof(str->vid);
 704                 while (*cp && *cp != ' ' && --c)
 705                         ++cp;
 706                 c = *cp;
 707                 *cp = '\0';
 708                 inqstrcpy (dev->supplement_adapter_info.AdapterTypeText,
 709                   str->vid);
 710                 *cp = c;
 711                 while (*cp && *cp != ' ')
 712                         ++cp;
 713                 while (*cp == ' ')
 714                         ++cp;
 715                 /* last six chars reserved for vol type */
 716                 c = 0;
 717                 if (strlen(cp) > sizeof(str->pid)) {
 718                         c = cp[sizeof(str->pid)];
 719                         cp[sizeof(str->pid)] = '\0';
 720                 }
 721                 inqstrcpy (cp, str->pid);
 722                 if (c)
 723                         cp[sizeof(str->pid)] = c;
 724         } else {
 725                 struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
 726
 727                 inqstrcpy (mp->vname, str->vid);
 728                 /* last six chars reserved for vol type */
 729                 inqstrcpy (mp->model, str->pid);
 730         }
 731
 732         if (tindex < ARRAY_SIZE(container_types)){
 733                 char *findit = str->pid;
 734
 735                 for ( ; *findit != ' '; findit++); /* walk till we find a space */
 736                 /* RAID is superfluous in the context of a RAID device */
 737                 if (memcmp(findit-4, "RAID", 4) == 0)
 738                         *(findit -= 4) = ' ';
 739                 if (((findit - str->pid) + strlen(container_types[tindex]))
 740                  < (sizeof(str->pid) + sizeof(str->prl)))
 741                         inqstrcpy (container_types[tindex], findit + 1);
 742         }
 743         inqstrcpy ("V1.0", str->prl);
 744 }
 745
 746 static void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code,
 747                       u8 a_sense_code, u8 incorrect_length,
 748                       u8 bit_pointer, u16 field_pointer,
 749                       u32 residue)
 750 {
 751         sense_buf[0] = 0xF0;    /* Sense data valid, err code 70h (current error) */
 752         sense_buf[1] = 0;       /* Segment number, always zero */
 753
 754         if (incorrect_length) {
 755                 sense_buf[2] = sense_key | 0x20;/* Set ILI bit | sense key */
 756                 sense_buf[3] = BYTE3(residue);
 757                 sense_buf[4] = BYTE2(residue);
 758                 sense_buf[5] = BYTE1(residue);
 759                 sense_buf[6] = BYTE0(residue);
 760         } else
 761                 sense_buf[2] = sense_key;       /* Sense key */
 762
 763         if (sense_key == ILLEGAL_REQUEST)
 764                 sense_buf[7] = 10;      /* Additional sense length */
 765         else
 766                 sense_buf[7] = 6;       /* Additional sense length */
 767
 768         sense_buf[12] = sense_code;     /* Additional sense code */
 769         sense_buf[13] = a_sense_code;   /* Additional sense code qualifier */
 770         if (sense_key == ILLEGAL_REQUEST) {
 771                 sense_buf[15] = 0;
 772
 773                 if (sense_code == SENCODE_INVALID_PARAM_FIELD)
 774                         sense_buf[15] = 0x80;/* Std sense key specific field */
 775                 /* Illegal parameter is in the parameter block */
 776
 777                 if (sense_code == SENCODE_INVALID_CDB_FIELD)
 778                         sense_buf[15] = 0xc0;/* Std sense key specific field */
 779                 /* Illegal parameter is in the CDB block */
 780                 sense_buf[15] |= bit_pointer;
 781                 sense_buf[16] = field_pointer >> 8;     /* MSB */
 782                 sense_buf[17] = field_pointer;          /* LSB */
 783         }
 784 }
 785
 786 static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
 787 {
 788         if (lba & 0xffffffff00000000LL) {
 789                 int cid = scmd_id(cmd);
 790                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
 791                 cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
 792                         SAM_STAT_CHECK_CONDITION;
 793                 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
 794                             HARDWARE_ERROR,
 795                             SENCODE_INTERNAL_TARGET_FAILURE,
 796                             ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
 797                             0, 0);
 798                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
 799                   (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(cmd->sense_buffer))
 800                     ? sizeof(cmd->sense_buffer)
 801                     : sizeof(dev->fsa_dev[cid].sense_data));
 802                 cmd->scsi_done(cmd);
 803                 return 1;
 804         }
 805         return 0;
 806 }
 807
 808 static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
 809 {
 810         return 0;
 811 }
 812
 813 static void io_callback(void *context, struct fib * fibptr);
 814
 815 static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 816 {
 817         u16 fibsize;
 818         struct aac_raw_io *readcmd;
 819         aac_fib_init(fib);
 820         readcmd = (struct aac_raw_io *) fib_data(fib);
 821         readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
 822         readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
 823         readcmd->count = cpu_to_le32(count<<9);
 824         readcmd->cid = cpu_to_le16(scmd_id(cmd));
 825         readcmd->flags = cpu_to_le16(1);
 826         readcmd->bpTotal = 0;
 827         readcmd->bpComplete = 0;
 828
 829         aac_build_sgraw(cmd, &readcmd->sg);
 830         fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
 831         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
 832         /*
 833          *      Now send the Fib to the adapter
 834          */
 835         return aac_fib_send(ContainerRawIo,
 836                           fib,
 837                           fibsize,
 838                           FsaNormal,
 839                           0, 1,
 840                           (fib_callback) io_callback,
 841                           (void *) cmd);
 842 }
 843
 844 static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 845 {
 846         u16 fibsize;
 847         struct aac_read64 *readcmd;
 848         aac_fib_init(fib);
 849         readcmd = (struct aac_read64 *) fib_data(fib);
 850         readcmd->command = cpu_to_le32(VM_CtHostRead64);
 851         readcmd->cid = cpu_to_le16(scmd_id(cmd));
 852         readcmd->sector_count = cpu_to_le16(count);
 853         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
 854         readcmd->pad   = 0;
 855         readcmd->flags = 0;
 856
 857         aac_build_sg64(cmd, &readcmd->sg);
 858         fibsize = sizeof(struct aac_read64) +
 859                 ((le32_to_cpu(readcmd->sg.count) - 1) *
 860                  sizeof (struct sgentry64));
 861         BUG_ON (fibsize > (fib->dev->max_fib_size -
 862                                 sizeof(struct aac_fibhdr)));
 863         /*
 864          *      Now send the Fib to the adapter
 865          */
 866         return aac_fib_send(ContainerCommand64,
 867                           fib,
 868                           fibsize,
 869                           FsaNormal,
 870                           0, 1,
 871                           (fib_callback) io_callback,
 872                           (void *) cmd);
 873 }
 874
 875 static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 876 {
 877         u16 fibsize;
 878         struct aac_read *readcmd;
 879         aac_fib_init(fib);
 880         readcmd = (struct aac_read *) fib_data(fib);
 881         readcmd->command = cpu_to_le32(VM_CtBlockRead);
 882         readcmd->cid = cpu_to_le16(scmd_id(cmd));
 883         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
 884         readcmd->count = cpu_to_le32(count * 512);
 885
 886         aac_build_sg(cmd, &readcmd->sg);
 887         fibsize = sizeof(struct aac_read) +
 888                         ((le32_to_cpu(readcmd->sg.count) - 1) *
 889                          sizeof (struct sgentry));
 890         BUG_ON (fibsize > (fib->dev->max_fib_size -
 891                                 sizeof(struct aac_fibhdr)));
 892         /*
 893          *      Now send the Fib to the adapter
 894          */
 895         return aac_fib_send(ContainerCommand,
 896                           fib,
 897                           fibsize,
 898                           FsaNormal,
 899                           0, 1,
 900                           (fib_callback) io_callback,
 901                           (void *) cmd);
 902 }
 903
 904 static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 905 {
 906         u16 fibsize;
 907         struct aac_raw_io *writecmd;
 908         aac_fib_init(fib);
 909         writecmd = (struct aac_raw_io *) fib_data(fib);
 910         writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
 911         writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
 912         writecmd->count = cpu_to_le32(count<<9);
 913         writecmd->cid = cpu_to_le16(scmd_id(cmd));
 914         writecmd->flags = 0;
 915         writecmd->bpTotal = 0;
 916         writecmd->bpComplete = 0;
 917
 918         aac_build_sgraw(cmd, &writecmd->sg);
 919         fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
 920         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
 921         /*
 922          *      Now send the Fib to the adapter
 923          */
 924         return aac_fib_send(ContainerRawIo,
 925                           fib,
 926                           fibsize,
 927                           FsaNormal,
 928                           0, 1,
 929                           (fib_callback) io_callback,
 930                           (void *) cmd);
 931 }
 932
 933 static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 934 {
 935         u16 fibsize;
 936         struct aac_write64 *writecmd;
 937         aac_fib_init(fib);
 938         writecmd = (struct aac_write64 *) fib_data(fib);
 939         writecmd->command = cpu_to_le32(VM_CtHostWrite64);
 940         writecmd->cid = cpu_to_le16(scmd_id(cmd));
 941         writecmd->sector_count = cpu_to_le16(count);
 942         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
 943         writecmd->pad   = 0;
 944         writecmd->flags = 0;
 945
 946         aac_build_sg64(cmd, &writecmd->sg);
 947         fibsize = sizeof(struct aac_write64) +
 948                 ((le32_to_cpu(writecmd->sg.count) - 1) *
 949                  sizeof (struct sgentry64));
 950         BUG_ON (fibsize > (fib->dev->max_fib_size -
 951                                 sizeof(struct aac_fibhdr)));
 952         /*
 953          *      Now send the Fib to the adapter
 954          */
 955         return aac_fib_send(ContainerCommand64,
 956                           fib,
 957                           fibsize,
 958                           FsaNormal,
 959                           0, 1,
 960                           (fib_callback) io_callback,
 961                           (void *) cmd);
 962 }
 963
 964 static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
 965 {
 966         u16 fibsize;
 967         struct aac_write *writecmd;
 968         aac_fib_init(fib);
 969         writecmd = (struct aac_write *) fib_data(fib);
 970         writecmd->command = cpu_to_le32(VM_CtBlockWrite);
 971         writecmd->cid = cpu_to_le16(scmd_id(cmd));
 972         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
 973         writecmd->count = cpu_to_le32(count * 512);
 974         writecmd->sg.count = cpu_to_le32(1);
 975         /* ->stable is not used - it did mean which type of write */
 976
 977         aac_build_sg(cmd, &writecmd->sg);
 978         fibsize = sizeof(struct aac_write) +
 979                 ((le32_to_cpu(writecmd->sg.count) - 1) *
 980                  sizeof (struct sgentry));
 981         BUG_ON (fibsize > (fib->dev->max_fib_size -
 982                                 sizeof(struct aac_fibhdr)));
 983         /*
 984          *      Now send the Fib to the adapter
 985          */
 986         return aac_fib_send(ContainerCommand,
 987                           fib,
 988                           fibsize,
 989                           FsaNormal,
 990                           0, 1,
 991                           (fib_callback) io_callback,
 992                           (void *) cmd);
 993 }
 994
 995 static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
 996 {
 997         struct aac_srb * srbcmd;
 998         u32 flag;
 999         u32 timeout;
1000
1001         aac_fib_init(fib);
1002         switch(cmd->sc_data_direction){
1003         case DMA_TO_DEVICE:
1004                 flag = SRB_DataOut;
1005                 break;
1006         case DMA_BIDIRECTIONAL:
1007                 flag = SRB_DataIn | SRB_DataOut;
1008                 break;
1009         case DMA_FROM_DEVICE:
1010                 flag = SRB_DataIn;
1011                 break;
1012         case DMA_NONE:
1013         default:        /* shuts up some versions of gcc */
1014                 flag = SRB_NoDataXfer;
1015                 break;
1016         }
1017
1018         srbcmd = (struct aac_srb*) fib_data(fib);
1019         srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1020         srbcmd->channel  = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1021         srbcmd->id       = cpu_to_le32(scmd_id(cmd));
1022         srbcmd->lun      = cpu_to_le32(cmd->device->lun);
1023         srbcmd->flags    = cpu_to_le32(flag);
1024         timeout = cmd->timeout_per_command/HZ;
1025         if (timeout == 0)
1026                 timeout = 1;
1027         srbcmd->timeout  = cpu_to_le32(timeout);  // timeout in seconds
1028         srbcmd->retry_limit = 0; /* Obsolete parameter */
1029         srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1030         return srbcmd;
1031 }
1032
1033 static void aac_srb_callback(void *context, struct fib * fibptr);
1034
1035 static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1036 {
1037         u16 fibsize;
1038         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1039
1040         aac_build_sg64(cmd, (struct sgmap64*) &srbcmd->sg);
1041         srbcmd->count = cpu_to_le32(cmd->request_bufflen);
1042
1043         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1044         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1045         /*
1046          *      Build Scatter/Gather list
1047          */
1048         fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1049                 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1050                  sizeof (struct sgentry64));
1051         BUG_ON (fibsize > (fib->dev->max_fib_size -
1052                                 sizeof(struct aac_fibhdr)));
1053
1054         /*
1055          *      Now send the Fib to the adapter
1056          */
1057         return aac_fib_send(ScsiPortCommand64, fib,
1058                                 fibsize, FsaNormal, 0, 1,
1059                                   (fib_callback) aac_srb_callback,
1060                                   (void *) cmd);
1061 }
1062
1063 static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1064 {
1065         u16 fibsize;
1066         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1067
1068         aac_build_sg(cmd, (struct sgmap*)&srbcmd->sg);
1069         srbcmd->count = cpu_to_le32(cmd->request_bufflen);
1070
1071         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1072         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1073         /*
1074          *      Build Scatter/Gather list
1075          */
1076         fibsize = sizeof (struct aac_srb) +
1077                 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1078                  sizeof (struct sgentry));
1079         BUG_ON (fibsize > (fib->dev->max_fib_size -
1080                                 sizeof(struct aac_fibhdr)));
1081
1082         /*
1083          *      Now send the Fib to the adapter
1084          */
1085         return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1086                                   (fib_callback) aac_srb_callback, (void *) cmd);
1087 }
1088
1089 int aac_get_adapter_info(struct aac_dev* dev)
1090 {
1091         struct fib* fibptr;
1092         int rcode;
1093         u32 tmp;
1094         struct aac_adapter_info *info;
1095         struct aac_bus_info *command;
1096         struct aac_bus_info_response *bus_info;
1097
1098         if (!(fibptr = aac_fib_alloc(dev)))
1099                 return -ENOMEM;
1100
1101         aac_fib_init(fibptr);
1102         info = (struct aac_adapter_info *) fib_data(fibptr);
1103         memset(info,0,sizeof(*info));
1104
1105         rcode = aac_fib_send(RequestAdapterInfo,
1106                          fibptr,
1107                          sizeof(*info),
1108                          FsaNormal,
1109                          -1, 1, /* First `interrupt' command uses special wait */
1110                          NULL,
1111                          NULL);
1112
1113         if (rcode < 0) {
1114                 aac_fib_complete(fibptr);
1115                 aac_fib_free(fibptr);
1116                 return rcode;
1117         }
1118         memcpy(&dev->adapter_info, info, sizeof(*info));
1119
1120         if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
1121                 struct aac_supplement_adapter_info * info;
1122
1123                 aac_fib_init(fibptr);
1124
1125                 info = (struct aac_supplement_adapter_info *) fib_data(fibptr);
1126
1127                 memset(info,0,sizeof(*info));
1128
1129                 rcode = aac_fib_send(RequestSupplementAdapterInfo,
1130                                  fibptr,
1131                                  sizeof(*info),
1132                                  FsaNormal,
1133                                  1, 1,
1134                                  NULL,
1135                                  NULL);
1136
1137                 if (rcode >= 0)
1138                         memcpy(&dev->supplement_adapter_info, info, sizeof(*info));
1139         }
1140
1141
1142         /*
1143          * GetBusInfo
1144          */
1145
1146         aac_fib_init(fibptr);
1147
1148         bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
1149
1150         memset(bus_info, 0, sizeof(*bus_info));
1151
1152         command = (struct aac_bus_info *)bus_info;
1153
1154         command->Command = cpu_to_le32(VM_Ioctl);
1155         command->ObjType = cpu_to_le32(FT_DRIVE);
1156         command->MethodId = cpu_to_le32(1);
1157         command->CtlCmd = cpu_to_le32(GetBusInfo);
1158
1159         rcode = aac_fib_send(ContainerCommand,
1160                          fibptr,
1161                          sizeof (*bus_info),
1162                          FsaNormal,
1163                          1, 1,
1164                          NULL, NULL);
1165
1166         if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
1167                 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
1168                 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
1169         }
1170
1171         if (!dev->in_reset) {
1172                 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1173                 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
1174                         dev->name,
1175                         dev->id,
1176                         tmp>>24,
1177                         (tmp>>16)&0xff,
1178                         tmp&0xff,
1179                         le32_to_cpu(dev->adapter_info.kernelbuild),
1180                         (int)sizeof(dev->supplement_adapter_info.BuildDate),
1181                         dev->supplement_adapter_info.BuildDate);
1182                 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1183                 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
1184                         dev->name, dev->id,
1185                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1186                         le32_to_cpu(dev->adapter_info.monitorbuild));
1187                 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1188                 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
1189                         dev->name, dev->id,
1190                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1191                         le32_to_cpu(dev->adapter_info.biosbuild));
1192                 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1193                         printk(KERN_INFO "%s%d: serial %x\n",
1194                                 dev->name, dev->id,
1195                                 le32_to_cpu(dev->adapter_info.serial[0]));
1196                 if (dev->supplement_adapter_info.VpdInfo.Tsid[0]) {
1197                         printk(KERN_INFO "%s%d: TSID %.*s\n",
1198                           dev->name, dev->id,
1199                           (int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid),
1200                           dev->supplement_adapter_info.VpdInfo.Tsid);
1201                 }
1202         }
1203
1204         dev->nondasd_support = 0;
1205         dev->raid_scsi_mode = 0;
1206         if(dev->adapter_info.options & AAC_OPT_NONDASD){
1207                 dev->nondasd_support = 1;
1208         }
1209
1210         /*
1211          * If the firmware supports ROMB RAID/SCSI mode and we are currently
1212          * in RAID/SCSI mode, set the flag. For now if in this mode we will
1213          * force nondasd support on. If we decide to allow the non-dasd flag
1214          * additional changes changes will have to be made to support
1215          * RAID/SCSI.  the function aac_scsi_cmd in this module will have to be
1216          * changed to support the new dev->raid_scsi_mode flag instead of
1217          * leaching off of the dev->nondasd_support flag. Also in linit.c the
1218          * function aac_detect will have to be modified where it sets up the
1219          * max number of channels based on the aac->nondasd_support flag only.
1220          */
1221         if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
1222             (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
1223                 dev->nondasd_support = 1;
1224                 dev->raid_scsi_mode = 1;
1225         }
1226         if (dev->raid_scsi_mode != 0)
1227                 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
1228                                 dev->name, dev->id);
1229
1230         if(nondasd != -1) {
1231                 dev->nondasd_support = (nondasd!=0);
1232         }
1233         if(dev->nondasd_support != 0){
1234                 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
1235         }
1236
1237         dev->dac_support = 0;
1238         if( (sizeof(dma_addr_t) > 4) && (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)){
1239                 printk(KERN_INFO "%s%d: 64bit support enabled.\n", dev->name, dev->id);
1240                 dev->dac_support = 1;
1241         }
1242
1243         if(dacmode != -1) {
1244                 dev->dac_support = (dacmode!=0);
1245         }
1246         if(dev->dac_support != 0) {
1247                 if (!pci_set_dma_mask(dev->pdev, DMA_64BIT_MASK) &&
1248                         !pci_set_consistent_dma_mask(dev->pdev, DMA_64BIT_MASK)) {
1249                         printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
1250                                 dev->name, dev->id);
1251                 } else if (!pci_set_dma_mask(dev->pdev, DMA_32BIT_MASK) &&
1252                         !pci_set_consistent_dma_mask(dev->pdev, DMA_32BIT_MASK)) {
1253                         printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
1254                                 dev->name, dev->id);
1255                         dev->dac_support = 0;
1256                 } else {
1257                         printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
1258                                 dev->name, dev->id);
1259                         rcode = -ENOMEM;
1260                 }
1261         }
1262         /*
1263          * Deal with configuring for the individualized limits of each packet
1264          * interface.
1265          */
1266         dev->a_ops.adapter_scsi = (dev->dac_support)
1267                                 ? aac_scsi_64
1268                                 : aac_scsi_32;
1269         if (dev->raw_io_interface) {
1270                 dev->a_ops.adapter_bounds = (dev->raw_io_64)
1271                                         ? aac_bounds_64
1272                                         : aac_bounds_32;
1273                 dev->a_ops.adapter_read = aac_read_raw_io;
1274                 dev->a_ops.adapter_write = aac_write_raw_io;
1275         } else {
1276                 dev->a_ops.adapter_bounds = aac_bounds_32;
1277                 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
1278                         sizeof(struct aac_fibhdr) -
1279                         sizeof(struct aac_write) + sizeof(struct sgentry)) /
1280                                 sizeof(struct sgentry);
1281                 if (dev->dac_support) {
1282                         dev->a_ops.adapter_read = aac_read_block64;
1283                         dev->a_ops.adapter_write = aac_write_block64;
1284                         /*
1285                          * 38 scatter gather elements
1286                          */
1287                         dev->scsi_host_ptr->sg_tablesize =
1288                                 (dev->max_fib_size -
1289                                 sizeof(struct aac_fibhdr) -
1290                                 sizeof(struct aac_write64) +
1291                                 sizeof(struct sgentry64)) /
1292                                         sizeof(struct sgentry64);
1293                 } else {
1294                         dev->a_ops.adapter_read = aac_read_block;
1295                         dev->a_ops.adapter_write = aac_write_block;
1296                 }
1297                 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
1298                 if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
1299                         /*
1300                          * Worst case size that could cause sg overflow when
1301                          * we break up SG elements that are larger than 64KB.
1302                          * Would be nice if we could tell the SCSI layer what
1303                          * the maximum SG element size can be. Worst case is
1304                          * (sg_tablesize-1) 4KB elements with one 64KB
1305                          * element.
1306                          *      32bit -> 468 or 238KB   64bit -> 424 or 212KB
1307                          */
1308                         dev->scsi_host_ptr->max_sectors =
1309                           (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
1310                 }
1311         }
1312
1313         aac_fib_complete(fibptr);
1314         aac_fib_free(fibptr);
1315
1316         return rcode;
1317 }
1318
1319
1320 static void io_callback(void *context, struct fib * fibptr)
1321 {
1322         struct aac_dev *dev;
1323         struct aac_read_reply *readreply;
1324         struct scsi_cmnd *scsicmd;
1325         u32 cid;
1326
1327         scsicmd = (struct scsi_cmnd *) context;
1328
1329         if (!aac_valid_context(scsicmd, fibptr))
1330                 return;
1331
1332         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1333         cid = scmd_id(scsicmd);
1334
1335         if (nblank(dprintk(x))) {
1336                 u64 lba;
1337                 switch (scsicmd->cmnd[0]) {
1338                 case WRITE_6:
1339                 case READ_6:
1340                         lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1341                             (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1342                         break;
1343                 case WRITE_16:
1344                 case READ_16:
1345                         lba = ((u64)scsicmd->cmnd[2] << 56) |
1346                               ((u64)scsicmd->cmnd[3] << 48) |
1347                               ((u64)scsicmd->cmnd[4] << 40) |
1348                               ((u64)scsicmd->cmnd[5] << 32) |
1349                               ((u64)scsicmd->cmnd[6] << 24) |
1350                               (scsicmd->cmnd[7] << 16) |
1351                               (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1352                         break;
1353                 case WRITE_12:
1354                 case READ_12:
1355                         lba = ((u64)scsicmd->cmnd[2] << 24) |
1356                               (scsicmd->cmnd[3] << 16) |
1357                               (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1358                         break;
1359                 default:
1360                         lba = ((u64)scsicmd->cmnd[2] << 24) |
1361                                (scsicmd->cmnd[3] << 16) |
1362                                (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1363                         break;
1364                 }
1365                 printk(KERN_DEBUG
1366                   "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
1367                   smp_processor_id(), (unsigned long long)lba, jiffies);
1368         }
1369
1370         BUG_ON(fibptr == NULL);
1371
1372         if(scsicmd->use_sg)
1373                 pci_unmap_sg(dev->pdev,
1374                         (struct scatterlist *)scsicmd->request_buffer,
1375                         scsicmd->use_sg,
1376                         scsicmd->sc_data_direction);
1377         else if(scsicmd->request_bufflen)
1378                 pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle,
1379                                  scsicmd->request_bufflen,
1380                                  scsicmd->sc_data_direction);
1381         readreply = (struct aac_read_reply *)fib_data(fibptr);
1382         if (le32_to_cpu(readreply->status) == ST_OK)
1383                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1384         else {
1385 #ifdef AAC_DETAILED_STATUS_INFO
1386                 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
1387                   le32_to_cpu(readreply->status));
1388 #endif
1389                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1390                 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1391                                     HARDWARE_ERROR,
1392                                     SENCODE_INTERNAL_TARGET_FAILURE,
1393                                     ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1394                                     0, 0);
1395                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1396                   (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1397                     ? sizeof(scsicmd->sense_buffer)
1398                     : sizeof(dev->fsa_dev[cid].sense_data));
1399         }
1400         aac_fib_complete(fibptr);
1401         aac_fib_free(fibptr);
1402
1403         scsicmd->scsi_done(scsicmd);
1404 }
1405
1406 static int aac_read(struct scsi_cmnd * scsicmd)
1407 {
1408         u64 lba;
1409         u32 count;
1410         int status;
1411         struct aac_dev *dev;
1412         struct fib * cmd_fibcontext;
1413
1414         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1415         /*
1416          *      Get block address and transfer length
1417          */
1418         switch (scsicmd->cmnd[0]) {
1419         case READ_6:
1420                 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
1421
1422                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1423                         (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1424                 count = scsicmd->cmnd[4];
1425
1426                 if (count == 0)
1427                         count = 256;
1428                 break;
1429         case READ_16:
1430                 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
1431
1432                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
1433                         ((u64)scsicmd->cmnd[3] << 48) |
1434                         ((u64)scsicmd->cmnd[4] << 40) |
1435                         ((u64)scsicmd->cmnd[5] << 32) |
1436                         ((u64)scsicmd->cmnd[6] << 24) |
1437                         (scsicmd->cmnd[7] << 16) |
1438                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1439                 count = (scsicmd->cmnd[10] << 24) |
1440                         (scsicmd->cmnd[11] << 16) |
1441                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1442                 break;
1443         case READ_12:
1444                 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
1445
1446                 lba = ((u64)scsicmd->cmnd[2] << 24) |
1447                         (scsicmd->cmnd[3] << 16) |
1448                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1449                 count = (scsicmd->cmnd[6] << 24) |
1450                         (scsicmd->cmnd[7] << 16) |
1451                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1452                 break;
1453         default:
1454                 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
1455
1456                 lba = ((u64)scsicmd->cmnd[2] << 24) |
1457                         (scsicmd->cmnd[3] << 16) |
1458                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1459                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1460                 break;
1461         }
1462         dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
1463           smp_processor_id(), (unsigned long long)lba, jiffies));
1464         if (aac_adapter_bounds(dev,scsicmd,lba))
1465                 return 0;
1466         /*
1467          *      Alocate and initialize a Fib
1468          */
1469         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1470                 return -1;
1471         }
1472
1473         status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
1474
1475         /*
1476          *      Check that the command queued to the controller
1477          */
1478         if (status == -EINPROGRESS) {
1479                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1480                 return 0;
1481         }
1482
1483         printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
1484         /*
1485          *      For some reason, the Fib didn't queue, return QUEUE_FULL
1486          */
1487         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1488         scsicmd->scsi_done(scsicmd);
1489         aac_fib_complete(cmd_fibcontext);
1490         aac_fib_free(cmd_fibcontext);
1491         return 0;
1492 }
1493
1494 static int aac_write(struct scsi_cmnd * scsicmd)
1495 {
1496         u64 lba;
1497         u32 count;
1498         int status;
1499         struct aac_dev *dev;
1500         struct fib * cmd_fibcontext;
1501
1502         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1503         /*
1504          *      Get block address and transfer length
1505          */
1506         if (scsicmd->cmnd[0] == WRITE_6)        /* 6 byte command */
1507         {
1508                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1509                 count = scsicmd->cmnd[4];
1510                 if (count == 0)
1511                         count = 256;
1512         } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
1513                 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
1514
1515                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
1516                         ((u64)scsicmd->cmnd[3] << 48) |
1517                         ((u64)scsicmd->cmnd[4] << 40) |
1518                         ((u64)scsicmd->cmnd[5] << 32) |
1519                         ((u64)scsicmd->cmnd[6] << 24) |
1520                         (scsicmd->cmnd[7] << 16) |
1521                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1522                 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
1523                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1524         } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
1525                 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
1526
1527                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
1528                     | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1529                 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
1530                       | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1531         } else {
1532                 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
1533                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1534                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1535         }
1536         dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
1537           smp_processor_id(), (unsigned long long)lba, jiffies));
1538         if (aac_adapter_bounds(dev,scsicmd,lba))
1539                 return 0;
1540         /*
1541          *      Allocate and initialize a Fib then setup a BlockWrite command
1542          */
1543         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1544                 scsicmd->result = DID_ERROR << 16;
1545                 scsicmd->scsi_done(scsicmd);
1546                 return 0;
1547         }
1548
1549         status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count);
1550
1551         /*
1552          *      Check that the command queued to the controller
1553          */
1554         if (status == -EINPROGRESS) {
1555                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1556                 return 0;
1557         }
1558
1559         printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
1560         /*
1561          *      For some reason, the Fib didn't queue, return QUEUE_FULL
1562          */
1563         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1564         scsicmd->scsi_done(scsicmd);
1565
1566         aac_fib_complete(cmd_fibcontext);
1567         aac_fib_free(cmd_fibcontext);
1568         return 0;
1569 }
1570
1571 static void synchronize_callback(void *context, struct fib *fibptr)
1572 {
1573         struct aac_synchronize_reply *synchronizereply;
1574         struct scsi_cmnd *cmd;
1575
1576         cmd = context;
1577
1578         if (!aac_valid_context(cmd, fibptr))
1579                 return;
1580
1581         dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
1582                                 smp_processor_id(), jiffies));
1583         BUG_ON(fibptr == NULL);
1584
1585
1586         synchronizereply = fib_data(fibptr);
1587         if (le32_to_cpu(synchronizereply->status) == CT_OK)
1588                 cmd->result = DID_OK << 16 |
1589                         COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1590         else {
1591                 struct scsi_device *sdev = cmd->device;
1592                 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1593                 u32 cid = sdev_id(sdev);
1594                 printk(KERN_WARNING
1595                      "synchronize_callback: synchronize failed, status = %d\n",
1596                      le32_to_cpu(synchronizereply->status));
1597                 cmd->result = DID_OK << 16 |
1598                         COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1599                 set_sense((u8 *)&dev->fsa_dev[cid].sense_data,
1600                                     HARDWARE_ERROR,
1601                                     SENCODE_INTERNAL_TARGET_FAILURE,
1602                                     ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
1603                                     0, 0);
1604                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1605                   min(sizeof(dev->fsa_dev[cid].sense_data),
1606                           sizeof(cmd->sense_buffer)));
1607         }
1608
1609         aac_fib_complete(fibptr);
1610         aac_fib_free(fibptr);
1611         cmd->scsi_done(cmd);
1612 }
1613
1614 static int aac_synchronize(struct scsi_cmnd *scsicmd)
1615 {
1616         int status;
1617         struct fib *cmd_fibcontext;
1618         struct aac_synchronize *synchronizecmd;
1619         struct scsi_cmnd *cmd;
1620         struct scsi_device *sdev = scsicmd->device;
1621         int active = 0;
1622         struct aac_dev *aac;
1623         unsigned long flags;
1624
1625         /*
1626          * Wait for all outstanding queued commands to complete to this
1627          * specific target (block).
1628          */
1629         spin_lock_irqsave(&sdev->list_lock, flags);
1630         list_for_each_entry(cmd, &sdev->cmd_list, list)
1631                 if (cmd != scsicmd && cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
1632                         ++active;
1633                         break;
1634                 }
1635
1636         spin_unlock_irqrestore(&sdev->list_lock, flags);
1637
1638         /*
1639          *      Yield the processor (requeue for later)
1640          */
1641         if (active)
1642                 return SCSI_MLQUEUE_DEVICE_BUSY;
1643
1644         aac = (struct aac_dev *)scsicmd->device->host->hostdata;
1645         if (aac->in_reset)
1646                 return SCSI_MLQUEUE_HOST_BUSY;
1647
1648         /*
1649          *      Allocate and initialize a Fib
1650          */
1651         if (!(cmd_fibcontext = aac_fib_alloc(aac)))
1652                 return SCSI_MLQUEUE_HOST_BUSY;
1653
1654         aac_fib_init(cmd_fibcontext);
1655
1656         synchronizecmd = fib_data(cmd_fibcontext);
1657         synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
1658         synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
1659         synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
1660         synchronizecmd->count =
1661              cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
1662
1663         /*
1664          *      Now send the Fib to the adapter
1665          */
1666         status = aac_fib_send(ContainerCommand,
1667                   cmd_fibcontext,
1668                   sizeof(struct aac_synchronize),
1669                   FsaNormal,
1670                   0, 1,
1671                   (fib_callback)synchronize_callback,
1672                   (void *)scsicmd);
1673
1674         /*
1675          *      Check that the command queued to the controller
1676          */
1677         if (status == -EINPROGRESS) {
1678                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1679                 return 0;
1680         }
1681
1682         printk(KERN_WARNING
1683                 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
1684         aac_fib_complete(cmd_fibcontext);
1685         aac_fib_free(cmd_fibcontext);
1686         return SCSI_MLQUEUE_HOST_BUSY;
1687 }
1688
1689 /**
1690  *      aac_scsi_cmd()          -       Process SCSI command
1691  *      @scsicmd:               SCSI command block
1692  *
1693  *      Emulate a SCSI command and queue the required request for the
1694  *      aacraid firmware.
1695  */
1696
1697 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
1698 {
1699         u32 cid = 0;
1700         struct Scsi_Host *host = scsicmd->device->host;
1701         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
1702         struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
1703
1704         if (fsa_dev_ptr == NULL)
1705                 return -1;
1706         /*
1707          *      If the bus, id or lun is out of range, return fail
1708          *      Test does not apply to ID 16, the pseudo id for the controller
1709          *      itself.
1710          */
1711         if (scmd_id(scsicmd) != host->this_id) {
1712                 if ((scmd_channel(scsicmd) == CONTAINER_CHANNEL)) {
1713                         if((scmd_id(scsicmd) >= dev->maximum_num_containers) ||
1714                                         (scsicmd->device->lun != 0)) {
1715                                 scsicmd->result = DID_NO_CONNECT << 16;
1716                                 scsicmd->scsi_done(scsicmd);
1717                                 return 0;
1718                         }
1719                         cid = scmd_id(scsicmd);
1720
1721                         /*
1722                          *      If the target container doesn't exist, it may have
1723                          *      been newly created
1724                          */
1725                         if ((fsa_dev_ptr[cid].valid & 1) == 0) {
1726                                 switch (scsicmd->cmnd[0]) {
1727                                 case SERVICE_ACTION_IN:
1728                                         if (!(dev->raw_io_interface) ||
1729                                             !(dev->raw_io_64) ||
1730                                             ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
1731                                                 break;
1732                                 case INQUIRY:
1733                                 case READ_CAPACITY:
1734                                 case TEST_UNIT_READY:
1735                                         if (dev->in_reset)
1736                                                 return -1;
1737                                         return _aac_probe_container(scsicmd,
1738                                                         aac_probe_container_callback2);
1739                                 default:
1740                                         break;
1741                                 }
1742                         }
1743                 } else {  /* check for physical non-dasd devices */
1744                         if ((dev->nondasd_support == 1) || expose_physicals) {
1745                                 if (dev->in_reset)
1746                                         return -1;
1747                                 return aac_send_srb_fib(scsicmd);
1748                         } else {
1749                                 scsicmd->result = DID_NO_CONNECT << 16;
1750                                 scsicmd->scsi_done(scsicmd);
1751                                 return 0;
1752                         }
1753                 }
1754         }
1755         /*
1756          * else Command for the controller itself
1757          */
1758         else if ((scsicmd->cmnd[0] != INQUIRY) &&       /* only INQUIRY & TUR cmnd supported for controller */
1759                 (scsicmd->cmnd[0] != TEST_UNIT_READY))
1760         {
1761                 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
1762                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1763                 set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1764                             ILLEGAL_REQUEST,
1765                             SENCODE_INVALID_COMMAND,
1766                             ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
1767                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1768                   (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1769                     ? sizeof(scsicmd->sense_buffer)
1770                     : sizeof(dev->fsa_dev[cid].sense_data));
1771                 scsicmd->scsi_done(scsicmd);
1772                 return 0;
1773         }
1774
1775
1776         /* Handle commands here that don't really require going out to the adapter */
1777         switch (scsicmd->cmnd[0]) {
1778         case INQUIRY:
1779         {
1780                 struct inquiry_data inq_data;
1781
1782                 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", scmd_id(scsicmd)));
1783                 memset(&inq_data, 0, sizeof (struct inquiry_data));
1784
1785                 inq_data.inqd_ver = 2;  /* claim compliance to SCSI-2 */
1786                 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 */
1787                 inq_data.inqd_len = 31;
1788                 /*Format for "pad2" is  RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
1789                 inq_data.inqd_pad2= 0x32 ;       /*WBus16|Sync|CmdQue */
1790                 /*
1791                  *      Set the Vendor, Product, and Revision Level
1792                  *      see: <vendor>.c i.e. aac.c
1793                  */
1794                 if (scmd_id(scsicmd) == host->this_id) {
1795                         setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
1796                         inq_data.inqd_pdt = INQD_PDT_PROC;      /* Processor device */
1797                         aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
1798                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1799                         scsicmd->scsi_done(scsicmd);
1800                         return 0;
1801                 }
1802                 if (dev->in_reset)
1803                         return -1;
1804                 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
1805                 inq_data.inqd_pdt = INQD_PDT_DA;        /* Direct/random access device */
1806                 aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
1807                 return aac_get_container_name(scsicmd);
1808         }
1809         case SERVICE_ACTION_IN:
1810                 if (!(dev->raw_io_interface) ||
1811                     !(dev->raw_io_64) ||
1812                     ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
1813                         break;
1814         {
1815                 u64 capacity;
1816                 char cp[13];
1817
1818                 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
1819                 capacity = fsa_dev_ptr[cid].size - 1;
1820                 cp[0] = (capacity >> 56) & 0xff;
1821                 cp[1] = (capacity >> 48) & 0xff;
1822                 cp[2] = (capacity >> 40) & 0xff;
1823                 cp[3] = (capacity >> 32) & 0xff;
1824                 cp[4] = (capacity >> 24) & 0xff;
1825                 cp[5] = (capacity >> 16) & 0xff;
1826                 cp[6] = (capacity >> 8) & 0xff;
1827                 cp[7] = (capacity >> 0) & 0xff;
1828                 cp[8] = 0;
1829                 cp[9] = 0;
1830                 cp[10] = 2;
1831                 cp[11] = 0;
1832                 cp[12] = 0;
1833                 aac_internal_transfer(scsicmd, cp, 0,
1834                   min_t(size_t, scsicmd->cmnd[13], sizeof(cp)));
1835                 if (sizeof(cp) < scsicmd->cmnd[13]) {
1836                         unsigned int len, offset = sizeof(cp);
1837
1838                         memset(cp, 0, offset);
1839                         do {
1840                                 len = min_t(size_t, scsicmd->cmnd[13] - offset,
1841                                                 sizeof(cp));
1842                                 aac_internal_transfer(scsicmd, cp, offset, len);
1843                         } while ((offset += len) < scsicmd->cmnd[13]);
1844                 }
1845
1846                 /* Do not cache partition table for arrays */
1847                 scsicmd->device->removable = 1;
1848
1849                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1850                 scsicmd->scsi_done(scsicmd);
1851
1852                 return 0;
1853         }
1854
1855         case READ_CAPACITY:
1856         {
1857                 u32 capacity;
1858                 char cp[8];
1859
1860                 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
1861                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
1862                         capacity = fsa_dev_ptr[cid].size - 1;
1863                 else
1864                         capacity = (u32)-1;
1865
1866                 cp[0] = (capacity >> 24) & 0xff;
1867                 cp[1] = (capacity >> 16) & 0xff;
1868                 cp[2] = (capacity >> 8) & 0xff;
1869                 cp[3] = (capacity >> 0) & 0xff;
1870                 cp[4] = 0;
1871                 cp[5] = 0;
1872                 cp[6] = 2;
1873                 cp[7] = 0;
1874                 aac_internal_transfer(scsicmd, cp, 0, sizeof(cp));
1875                 /* Do not cache partition table for arrays */
1876                 scsicmd->device->removable = 1;
1877
1878                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1879                 scsicmd->scsi_done(scsicmd);
1880
1881                 return 0;
1882         }
1883
1884         case MODE_SENSE:
1885         {
1886                 char mode_buf[4];
1887
1888                 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
1889                 mode_buf[0] = 3;        /* Mode data length */
1890                 mode_buf[1] = 0;        /* Medium type - default */
1891                 mode_buf[2] = 0;        /* Device-specific param, bit 8: 0/1 = write enabled/protected */
1892                 mode_buf[3] = 0;        /* Block descriptor length */
1893
1894                 aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
1895                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1896                 scsicmd->scsi_done(scsicmd);
1897
1898                 return 0;
1899         }
1900         case MODE_SENSE_10:
1901         {
1902                 char mode_buf[8];
1903
1904                 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
1905                 mode_buf[0] = 0;        /* Mode data length (MSB) */
1906                 mode_buf[1] = 6;        /* Mode data length (LSB) */
1907                 mode_buf[2] = 0;        /* Medium type - default */
1908                 mode_buf[3] = 0;        /* Device-specific param, bit 8: 0/1 = write enabled/protected */
1909                 mode_buf[4] = 0;        /* reserved */
1910                 mode_buf[5] = 0;        /* reserved */
1911                 mode_buf[6] = 0;        /* Block descriptor length (MSB) */
1912                 mode_buf[7] = 0;        /* Block descriptor length (LSB) */
1913                 aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
1914
1915                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1916                 scsicmd->scsi_done(scsicmd);
1917
1918                 return 0;
1919         }
1920         case REQUEST_SENSE:
1921                 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
1922                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
1923                 memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
1924                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1925                 scsicmd->scsi_done(scsicmd);
1926                 return 0;
1927
1928         case ALLOW_MEDIUM_REMOVAL:
1929                 dprintk((KERN_DEBUG "LOCK command.\n"));
1930                 if (scsicmd->cmnd[4])
1931                         fsa_dev_ptr[cid].locked = 1;
1932                 else
1933                         fsa_dev_ptr[cid].locked = 0;
1934
1935                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1936                 scsicmd->scsi_done(scsicmd);
1937                 return 0;
1938         /*
1939          *      These commands are all No-Ops
1940          */
1941         case TEST_UNIT_READY:
1942         case RESERVE:
1943         case RELEASE:
1944         case REZERO_UNIT:
1945         case REASSIGN_BLOCKS:
1946         case SEEK_10:
1947         case START_STOP:
1948                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1949                 scsicmd->scsi_done(scsicmd);
1950                 return 0;
1951         }
1952
1953         switch (scsicmd->cmnd[0])
1954         {
1955                 case READ_6:
1956                 case READ_10:
1957                 case READ_12:
1958                 case READ_16:
1959                         if (dev->in_reset)
1960                                 return -1;
1961                         /*
1962                          *      Hack to keep track of ordinal number of the device that
1963                          *      corresponds to a container. Needed to convert
1964                          *      containers to /dev/sd device names
1965                          */
1966
1967                         if (scsicmd->request->rq_disk)
1968                                 strlcpy(fsa_dev_ptr[cid].devname,
1969                                 scsicmd->request->rq_disk->disk_name,
1970                                 min(sizeof(fsa_dev_ptr[cid].devname),
1971                                 sizeof(scsicmd->request->rq_disk->disk_name) + 1));
1972
1973                         return aac_read(scsicmd);
1974
1975                 case WRITE_6:
1976                 case WRITE_10:
1977                 case WRITE_12:
1978                 case WRITE_16:
1979                         if (dev->in_reset)
1980                                 return -1;
1981                         return aac_write(scsicmd);
1982
1983                 case SYNCHRONIZE_CACHE:
1984                         /* Issue FIB to tell Firmware to flush it's cache */
1985                         return aac_synchronize(scsicmd);
1986
1987                 default:
1988                         /*
1989                          *      Unhandled commands
1990                          */
1991                         dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]));
1992                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
1993                         set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
1994                                 ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
1995                                 ASENCODE_INVALID_COMMAND, 0, 0, 0, 0);
1996                         memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1997                           (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
1998                             ? sizeof(scsicmd->sense_buffer)
1999                             : sizeof(dev->fsa_dev[cid].sense_data));
2000                         scsicmd->scsi_done(scsicmd);
2001                         return 0;
2002         }
2003 }
2004
2005 static int query_disk(struct aac_dev *dev, void __user *arg)
2006 {
2007         struct aac_query_disk qd;
2008         struct fsa_dev_info *fsa_dev_ptr;
2009
2010         fsa_dev_ptr = dev->fsa_dev;
2011         if (!fsa_dev_ptr)
2012                 return -EBUSY;
2013         if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
2014                 return -EFAULT;
2015         if (qd.cnum == -1)
2016                 qd.cnum = qd.id;
2017         else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
2018         {
2019                 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
2020                         return -EINVAL;
2021                 qd.instance = dev->scsi_host_ptr->host_no;
2022                 qd.bus = 0;
2023                 qd.id = CONTAINER_TO_ID(qd.cnum);
2024                 qd.lun = CONTAINER_TO_LUN(qd.cnum);
2025         }
2026         else return -EINVAL;
2027
2028         qd.valid = fsa_dev_ptr[qd.cnum].valid;
2029         qd.locked = fsa_dev_ptr[qd.cnum].locked;
2030         qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
2031
2032         if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
2033                 qd.unmapped = 1;
2034         else
2035                 qd.unmapped = 0;
2036
2037         strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
2038           min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
2039
2040         if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
2041                 return -EFAULT;
2042         return 0;
2043 }
2044
2045 static int force_delete_disk(struct aac_dev *dev, void __user *arg)
2046 {
2047         struct aac_delete_disk dd;
2048         struct fsa_dev_info *fsa_dev_ptr;
2049
2050         fsa_dev_ptr = dev->fsa_dev;
2051         if (!fsa_dev_ptr)
2052                 return -EBUSY;
2053
2054         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2055                 return -EFAULT;
2056
2057         if (dd.cnum >= dev->maximum_num_containers)
2058                 return -EINVAL;
2059         /*
2060          *      Mark this container as being deleted.
2061          */
2062         fsa_dev_ptr[dd.cnum].deleted = 1;
2063         /*
2064          *      Mark the container as no longer valid
2065          */
2066         fsa_dev_ptr[dd.cnum].valid = 0;
2067         return 0;
2068 }
2069
2070 static int delete_disk(struct aac_dev *dev, void __user *arg)
2071 {
2072         struct aac_delete_disk dd;
2073         struct fsa_dev_info *fsa_dev_ptr;
2074
2075         fsa_dev_ptr = dev->fsa_dev;
2076         if (!fsa_dev_ptr)
2077                 return -EBUSY;
2078
2079         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2080                 return -EFAULT;
2081
2082         if (dd.cnum >= dev->maximum_num_containers)
2083                 return -EINVAL;
2084         /*
2085          *      If the container is locked, it can not be deleted by the API.
2086          */
2087         if (fsa_dev_ptr[dd.cnum].locked)
2088                 return -EBUSY;
2089         else {
2090                 /*
2091                  *      Mark the container as no longer being valid.
2092                  */
2093                 fsa_dev_ptr[dd.cnum].valid = 0;
2094                 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
2095                 return 0;
2096         }
2097 }
2098
2099 int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
2100 {
2101         switch (cmd) {
2102         case FSACTL_QUERY_DISK:
2103                 return query_disk(dev, arg);
2104         case FSACTL_DELETE_DISK:
2105                 return delete_disk(dev, arg);
2106         case FSACTL_FORCE_DELETE_DISK:
2107                 return force_delete_disk(dev, arg);
2108         case FSACTL_GET_CONTAINERS:
2109                 return aac_get_containers(dev);
2110         default:
2111                 return -ENOTTY;
2112         }
2113 }
2114
2115 /**
2116  *
2117  * aac_srb_callback
2118  * @context: the context set in the fib - here it is scsi cmd
2119  * @fibptr: pointer to the fib
2120  *
2121  * Handles the completion of a scsi command to a non dasd device
2122  *
2123  */
2124
2125 static void aac_srb_callback(void *context, struct fib * fibptr)
2126 {
2127         struct aac_dev *dev;
2128         struct aac_srb_reply *srbreply;
2129         struct scsi_cmnd *scsicmd;
2130
2131         scsicmd = (struct scsi_cmnd *) context;
2132
2133         if (!aac_valid_context(scsicmd, fibptr))
2134                 return;
2135
2136         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2137
2138         BUG_ON(fibptr == NULL);
2139
2140         srbreply = (struct aac_srb_reply *) fib_data(fibptr);
2141
2142         scsicmd->sense_buffer[0] = '\0';  /* Initialize sense valid flag to false */
2143         /*
2144          *      Calculate resid for sg
2145          */
2146
2147         scsicmd->resid = scsicmd->request_bufflen -
2148                 le32_to_cpu(srbreply->data_xfer_length);
2149
2150         if(scsicmd->use_sg)
2151                 pci_unmap_sg(dev->pdev,
2152                         (struct scatterlist *)scsicmd->request_buffer,
2153                         scsicmd->use_sg,
2154                         scsicmd->sc_data_direction);
2155         else if(scsicmd->request_bufflen)
2156                 pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, scsicmd->request_bufflen,
2157                         scsicmd->sc_data_direction);
2158
2159         /*
2160          * First check the fib status
2161          */
2162
2163         if (le32_to_cpu(srbreply->status) != ST_OK){
2164                 int len;
2165                 printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
2166                 len = (le32_to_cpu(srbreply->sense_data_size) >
2167                                 sizeof(scsicmd->sense_buffer)) ?
2168                                 sizeof(scsicmd->sense_buffer) :
2169                                 le32_to_cpu(srbreply->sense_data_size);
2170                 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2171                 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2172         }
2173
2174         /*
2175          * Next check the srb status
2176          */
2177         switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
2178         case SRB_STATUS_ERROR_RECOVERY:
2179         case SRB_STATUS_PENDING:
2180         case SRB_STATUS_SUCCESS:
2181                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2182                 break;
2183         case SRB_STATUS_DATA_OVERRUN:
2184                 switch(scsicmd->cmnd[0]){
2185                 case  READ_6:
2186                 case  WRITE_6:
2187                 case  READ_10:
2188                 case  WRITE_10:
2189                 case  READ_12:
2190                 case  WRITE_12:
2191                 case  READ_16:
2192                 case  WRITE_16:
2193                         if(le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow ) {
2194                                 printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
2195                         } else {
2196                                 printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
2197                         }
2198                         scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2199                         break;
2200                 case INQUIRY: {
2201                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2202                         break;
2203                 }
2204                 default:
2205                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
2206                         break;
2207                 }
2208                 break;
2209         case SRB_STATUS_ABORTED:
2210                 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
2211                 break;
2212         case SRB_STATUS_ABORT_FAILED:
2213                 // Not sure about this one - but assuming the hba was trying to abort for some reason
2214                 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
2215                 break;
2216         case SRB_STATUS_PARITY_ERROR:
2217                 scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
2218                 break;
2219         case SRB_STATUS_NO_DEVICE:
2220         case SRB_STATUS_INVALID_PATH_ID:
2221         case SRB_STATUS_INVALID_TARGET_ID:
2222         case SRB_STATUS_INVALID_LUN:
2223         case SRB_STATUS_SELECTION_TIMEOUT:
2224                 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
2225                 break;
2226
2227         case SRB_STATUS_COMMAND_TIMEOUT:
2228         case SRB_STATUS_TIMEOUT:
2229                 scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
2230                 break;
2231
2232         case SRB_STATUS_BUSY:
2233                 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
2234                 break;
2235
2236         case SRB_STATUS_BUS_RESET:
2237                 scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
2238                 break;
2239
2240         case SRB_STATUS_MESSAGE_REJECTED:
2241                 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
2242                 break;
2243         case SRB_STATUS_REQUEST_FLUSHED:
2244         case SRB_STATUS_ERROR:
2245         case SRB_STATUS_INVALID_REQUEST:
2246         case SRB_STATUS_REQUEST_SENSE_FAILED:
2247         case SRB_STATUS_NO_HBA:
2248         case SRB_STATUS_UNEXPECTED_BUS_FREE:
2249         case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
2250         case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
2251         case SRB_STATUS_DELAYED_RETRY:
2252         case SRB_STATUS_BAD_FUNCTION:
2253         case SRB_STATUS_NOT_STARTED:
2254         case SRB_STATUS_NOT_IN_USE:
2255         case SRB_STATUS_FORCE_ABORT:
2256         case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
2257         default:
2258 #ifdef AAC_DETAILED_STATUS_INFO
2259                 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
2260                         le32_to_cpu(srbreply->srb_status) & 0x3F,
2261                         aac_get_status_string(
2262                                 le32_to_cpu(srbreply->srb_status) & 0x3F),
2263                         scsicmd->cmnd[0],
2264                         le32_to_cpu(srbreply->scsi_status));
2265 #endif
2266                 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
2267                 break;
2268         }
2269         if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){  // Check Condition
2270                 int len;
2271                 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
2272                 len = (le32_to_cpu(srbreply->sense_data_size) >
2273                                 sizeof(scsicmd->sense_buffer)) ?
2274                                 sizeof(scsicmd->sense_buffer) :
2275                                 le32_to_cpu(srbreply->sense_data_size);
2276 #ifdef AAC_DETAILED_STATUS_INFO
2277                 printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
2278                                         le32_to_cpu(srbreply->status), len);
2279 #endif
2280                 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
2281
2282         }
2283         /*
2284          * OR in the scsi status (already shifted up a bit)
2285          */
2286         scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
2287
2288         aac_fib_complete(fibptr);
2289         aac_fib_free(fibptr);
2290         scsicmd->scsi_done(scsicmd);
2291 }
2292
2293 /**
2294  *
2295  * aac_send_scb_fib
2296  * @scsicmd: the scsi command block
2297  *
2298  * This routine will form a FIB and fill in the aac_srb from the
2299  * scsicmd passed in.
2300  */
2301
2302 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
2303 {
2304         struct fib* cmd_fibcontext;
2305         struct aac_dev* dev;
2306         int status;
2307
2308         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2309         if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
2310                         scsicmd->device->lun > 7) {
2311                 scsicmd->result = DID_NO_CONNECT << 16;
2312                 scsicmd->scsi_done(scsicmd);
2313                 return 0;
2314         }
2315
2316         /*
2317          *      Allocate and initialize a Fib then setup a BlockWrite command
2318          */
2319         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
2320                 return -1;
2321         }
2322         status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
2323
2324         /*
2325          *      Check that the command queued to the controller
2326          */
2327         if (status == -EINPROGRESS) {
2328                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2329                 return 0;
2330         }
2331
2332         printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
2333         aac_fib_complete(cmd_fibcontext);
2334         aac_fib_free(cmd_fibcontext);
2335
2336         return -1;
2337 }
2338
2339 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* psg)
2340 {
2341         struct aac_dev *dev;
2342         unsigned long byte_count = 0;
2343
2344         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2345         // Get rid of old data
2346         psg->count = 0;
2347         psg->sg[0].addr = 0;
2348         psg->sg[0].count = 0;
2349         if (scsicmd->use_sg) {
2350                 struct scatterlist *sg;
2351                 int i;
2352                 int sg_count;
2353                 sg = (struct scatterlist *) scsicmd->request_buffer;
2354
2355                 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
2356                         scsicmd->sc_data_direction);
2357                 psg->count = cpu_to_le32(sg_count);
2358
2359                 for (i = 0; i < sg_count; i++) {
2360                         psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
2361                         psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
2362                         byte_count += sg_dma_len(sg);
2363                         sg++;
2364                 }
2365                 /* hba wants the size to be exact */
2366                 if(byte_count > scsicmd->request_bufflen){
2367                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2368                                 (byte_count - scsicmd->request_bufflen);
2369                         psg->sg[i-1].count = cpu_to_le32(temp);
2370                         byte_count = scsicmd->request_bufflen;
2371                 }
2372                 /* Check for command underflow */
2373                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2374                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2375                                         byte_count, scsicmd->underflow);
2376                 }
2377         }
2378         else if(scsicmd->request_bufflen) {
2379                 u32 addr;
2380                 scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
2381                                 scsicmd->request_buffer,
2382                                 scsicmd->request_bufflen,
2383                                 scsicmd->sc_data_direction);
2384                 addr = scsicmd->SCp.dma_handle;
2385                 psg->count = cpu_to_le32(1);
2386                 psg->sg[0].addr = cpu_to_le32(addr);
2387                 psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
2388                 byte_count = scsicmd->request_bufflen;
2389         }
2390         return byte_count;
2391 }
2392
2393
2394 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg)
2395 {
2396         struct aac_dev *dev;
2397         unsigned long byte_count = 0;
2398         u64 addr;
2399
2400         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2401         // Get rid of old data
2402         psg->count = 0;
2403         psg->sg[0].addr[0] = 0;
2404         psg->sg[0].addr[1] = 0;
2405         psg->sg[0].count = 0;
2406         if (scsicmd->use_sg) {
2407                 struct scatterlist *sg;
2408                 int i;
2409                 int sg_count;
2410                 sg = (struct scatterlist *) scsicmd->request_buffer;
2411
2412                 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
2413                         scsicmd->sc_data_direction);
2414
2415                 for (i = 0; i < sg_count; i++) {
2416                         int count = sg_dma_len(sg);
2417                         addr = sg_dma_address(sg);
2418                         psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
2419                         psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
2420                         psg->sg[i].count = cpu_to_le32(count);
2421                         byte_count += count;
2422                         sg++;
2423                 }
2424                 psg->count = cpu_to_le32(sg_count);
2425                 /* hba wants the size to be exact */
2426                 if(byte_count > scsicmd->request_bufflen){
2427                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2428                                 (byte_count - scsicmd->request_bufflen);
2429                         psg->sg[i-1].count = cpu_to_le32(temp);
2430                         byte_count = scsicmd->request_bufflen;
2431                 }
2432                 /* Check for command underflow */
2433                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2434                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2435                                         byte_count, scsicmd->underflow);
2436                 }
2437         }
2438         else if(scsicmd->request_bufflen) {
2439                 scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
2440                                 scsicmd->request_buffer,
2441                                 scsicmd->request_bufflen,
2442                                 scsicmd->sc_data_direction);
2443                 addr = scsicmd->SCp.dma_handle;
2444                 psg->count = cpu_to_le32(1);
2445                 psg->sg[0].addr[0] = cpu_to_le32(addr & 0xffffffff);
2446                 psg->sg[0].addr[1] = cpu_to_le32(addr >> 32);
2447                 psg->sg[0].count = cpu_to_le32(scsicmd->request_bufflen);
2448                 byte_count = scsicmd->request_bufflen;
2449         }
2450         return byte_count;
2451 }
2452
2453 static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg)
2454 {
2455         struct Scsi_Host *host = scsicmd->device->host;
2456         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
2457         unsigned long byte_count = 0;
2458
2459         // Get rid of old data
2460         psg->count = 0;
2461         psg->sg[0].next = 0;
2462         psg->sg[0].prev = 0;
2463         psg->sg[0].addr[0] = 0;
2464         psg->sg[0].addr[1] = 0;
2465         psg->sg[0].count = 0;
2466         psg->sg[0].flags = 0;
2467         if (scsicmd->use_sg) {
2468                 struct scatterlist *sg;
2469                 int i;
2470                 int sg_count;
2471                 sg = (struct scatterlist *) scsicmd->request_buffer;
2472
2473                 sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
2474                         scsicmd->sc_data_direction);
2475
2476                 for (i = 0; i < sg_count; i++) {
2477                         int count = sg_dma_len(sg);
2478                         u64 addr = sg_dma_address(sg);
2479                         psg->sg[i].next = 0;
2480                         psg->sg[i].prev = 0;
2481                         psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
2482                         psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2483                         psg->sg[i].count = cpu_to_le32(count);
2484                         psg->sg[i].flags = 0;
2485                         byte_count += count;
2486                         sg++;
2487                 }
2488                 psg->count = cpu_to_le32(sg_count);
2489                 /* hba wants the size to be exact */
2490                 if(byte_count > scsicmd->request_bufflen){
2491                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
2492                                 (byte_count - scsicmd->request_bufflen);
2493                         psg->sg[i-1].count = cpu_to_le32(temp);
2494                         byte_count = scsicmd->request_bufflen;
2495                 }
2496                 /* Check for command underflow */
2497                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
2498                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
2499                                         byte_count, scsicmd->underflow);
2500                 }
2501         }
2502         else if(scsicmd->request_bufflen) {
2503                 int count;
2504                 u64 addr;
2505                 scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
2506                                 scsicmd->request_buffer,
2507                                 scsicmd->request_bufflen,
2508                                 scsicmd->sc_data_direction);
2509                 addr = scsicmd->SCp.dma_handle;
2510                 count = scsicmd->request_bufflen;
2511                 psg->count = cpu_to_le32(1);
2512                 psg->sg[0].next = 0;
2513                 psg->sg[0].prev = 0;
2514                 psg->sg[0].addr[1] = cpu_to_le32((u32)(addr>>32));
2515                 psg->sg[0].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
2516                 psg->sg[0].count = cpu_to_le32(count);
2517                 psg->sg[0].flags = 0;
2518                 byte_count = scsicmd->request_bufflen;
2519         }
2520         return byte_count;
2521 }
2522
2523 #ifdef AAC_DETAILED_STATUS_INFO
2524
2525 struct aac_srb_status_info {
2526         u32     status;
2527         char    *str;
2528 };
2529
2530
2531 static struct aac_srb_status_info srb_status_info[] = {
2532         { SRB_STATUS_PENDING,           "Pending Status"},
2533         { SRB_STATUS_SUCCESS,           "Success"},
2534         { SRB_STATUS_ABORTED,           "Aborted Command"},
2535         { SRB_STATUS_ABORT_FAILED,      "Abort Failed"},
2536         { SRB_STATUS_ERROR,             "Error Event"},
2537         { SRB_STATUS_BUSY,              "Device Busy"},
2538         { SRB_STATUS_INVALID_REQUEST,   "Invalid Request"},
2539         { SRB_STATUS_INVALID_PATH_ID,   "Invalid Path ID"},
2540         { SRB_STATUS_NO_DEVICE,         "No Device"},
2541         { SRB_STATUS_TIMEOUT,           "Timeout"},
2542         { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
2543         { SRB_STATUS_COMMAND_TIMEOUT,   "Command Timeout"},
2544         { SRB_STATUS_MESSAGE_REJECTED,  "Message Rejected"},
2545         { SRB_STATUS_BUS_RESET,         "Bus Reset"},
2546         { SRB_STATUS_PARITY_ERROR,      "Parity Error"},
2547         { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
2548         { SRB_STATUS_NO_HBA,            "No HBA"},
2549         { SRB_STATUS_DATA_OVERRUN,      "Data Overrun/Data Underrun"},
2550         { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
2551         { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
2552         { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
2553         { SRB_STATUS_REQUEST_FLUSHED,   "Request Flushed"},
2554         { SRB_STATUS_DELAYED_RETRY,     "Delayed Retry"},
2555         { SRB_STATUS_INVALID_LUN,       "Invalid LUN"},
2556         { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
2557         { SRB_STATUS_BAD_FUNCTION,      "Bad Function"},
2558         { SRB_STATUS_ERROR_RECOVERY,    "Error Recovery"},
2559         { SRB_STATUS_NOT_STARTED,       "Not Started"},
2560         { SRB_STATUS_NOT_IN_USE,        "Not In Use"},
2561         { SRB_STATUS_FORCE_ABORT,       "Force Abort"},
2562         { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
2563         { 0xff,                         "Unknown Error"}
2564 };
2565
2566 char *aac_get_status_string(u32 status)
2567 {
2568         int i;
2569
2570         for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
2571                 if (srb_status_info[i].status == status)
2572                         return srb_status_info[i].str;
2573
2574         return "Bad Status Code";
2575 }
2576
2577 #endif