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