drivers/scsi/aacraid/aachba.c

   1 /*
   2  *      Adaptec AAC series RAID controller driver
   3  *      (c) Copyright 2001 Red Hat Inc.
   4  *
   5  * based on the old aacraid driver that is..
   6  * Adaptec aacraid device driver for Linux.
   7  *
   8  * Copyright (c) 2000-2010 Adaptec, Inc.
   9  *               2010-2015 PMC-Sierra, Inc. ([email protected])
  10  *               2016-2017 Microsemi Corp. ([email protected])
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2, or (at your option)
  15  * any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; see the file COPYING.  If not, write to
  24  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  25  *
  26  * Module Name:
  27  *  aachba.c
  28  *
  29  * Abstract: Contains Interfaces to manage IOs.
  30  *
  31  */
  32
  33 #include <linux/kernel.h>
  34 #include <linux/init.h>
  35 #include <linux/types.h>
  36 #include <linux/pci.h>
  37 #include <linux/spinlock.h>
  38 #include <linux/slab.h>
  39 #include <linux/completion.h>
  40 #include <linux/blkdev.h>
  41 #include <linux/uaccess.h>
  42 #include <linux/highmem.h> /* For flush_kernel_dcache_page */
  43 #include <linux/module.h>
  44
  45 #include <asm/unaligned.h>
  46
  47 #include <scsi/scsi.h>
  48 #include <scsi/scsi_cmnd.h>
  49 #include <scsi/scsi_device.h>
  50 #include <scsi/scsi_host.h>
  51
  52 #include "aacraid.h"
  53
  54 /* values for inqd_pdt: Peripheral device type in plain English */
  55 #define INQD_PDT_DA     0x00    /* Direct-access (DISK) device */
  56 #define INQD_PDT_PROC   0x03    /* Processor device */
  57 #define INQD_PDT_CHNGR  0x08    /* Changer (jukebox, scsi2) */
  58 #define INQD_PDT_COMM   0x09    /* Communication device (scsi2) */
  59 #define INQD_PDT_NOLUN2 0x1f    /* Unknown Device (scsi2) */
  60 #define INQD_PDT_NOLUN  0x7f    /* Logical Unit Not Present */
  61
  62 #define INQD_PDT_DMASK  0x1F    /* Peripheral Device Type Mask */
  63 #define INQD_PDT_QMASK  0xE0    /* Peripheral Device Qualifer Mask */
  64
  65 /*
  66  *      Sense codes
  67  */
  68
  69 #define SENCODE_NO_SENSE                        0x00
  70 #define SENCODE_END_OF_DATA                     0x00
  71 #define SENCODE_BECOMING_READY                  0x04
  72 #define SENCODE_INIT_CMD_REQUIRED               0x04
  73 #define SENCODE_UNRECOVERED_READ_ERROR          0x11
  74 #define SENCODE_PARAM_LIST_LENGTH_ERROR         0x1A
  75 #define SENCODE_INVALID_COMMAND                 0x20
  76 #define SENCODE_LBA_OUT_OF_RANGE                0x21
  77 #define SENCODE_INVALID_CDB_FIELD               0x24
  78 #define SENCODE_LUN_NOT_SUPPORTED               0x25
  79 #define SENCODE_INVALID_PARAM_FIELD             0x26
  80 #define SENCODE_PARAM_NOT_SUPPORTED             0x26
  81 #define SENCODE_PARAM_VALUE_INVALID             0x26
  82 #define SENCODE_RESET_OCCURRED                  0x29
  83 #define SENCODE_LUN_NOT_SELF_CONFIGURED_YET     0x3E
  84 #define SENCODE_INQUIRY_DATA_CHANGED            0x3F
  85 #define SENCODE_SAVING_PARAMS_NOT_SUPPORTED     0x39
  86 #define SENCODE_DIAGNOSTIC_FAILURE              0x40
  87 #define SENCODE_INTERNAL_TARGET_FAILURE         0x44
  88 #define SENCODE_INVALID_MESSAGE_ERROR           0x49
  89 #define SENCODE_LUN_FAILED_SELF_CONFIG          0x4c
  90 #define SENCODE_OVERLAPPED_COMMAND              0x4E
  91
  92 /*
  93  *      Additional sense codes
  94  */
  95
  96 #define ASENCODE_NO_SENSE                       0x00
  97 #define ASENCODE_END_OF_DATA                    0x05
  98 #define ASENCODE_BECOMING_READY                 0x01
  99 #define ASENCODE_INIT_CMD_REQUIRED              0x02
 100 #define ASENCODE_PARAM_LIST_LENGTH_ERROR        0x00
 101 #define ASENCODE_INVALID_COMMAND                0x00
 102 #define ASENCODE_LBA_OUT_OF_RANGE               0x00
 103 #define ASENCODE_INVALID_CDB_FIELD              0x00
 104 #define ASENCODE_LUN_NOT_SUPPORTED              0x00
 105 #define ASENCODE_INVALID_PARAM_FIELD            0x00
 106 #define ASENCODE_PARAM_NOT_SUPPORTED            0x01
 107 #define ASENCODE_PARAM_VALUE_INVALID            0x02
 108 #define ASENCODE_RESET_OCCURRED                 0x00
 109 #define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET    0x00
 110 #define ASENCODE_INQUIRY_DATA_CHANGED           0x03
 111 #define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED    0x00
 112 #define ASENCODE_DIAGNOSTIC_FAILURE             0x80
 113 #define ASENCODE_INTERNAL_TARGET_FAILURE        0x00
 114 #define ASENCODE_INVALID_MESSAGE_ERROR          0x00
 115 #define ASENCODE_LUN_FAILED_SELF_CONFIG         0x00
 116 #define ASENCODE_OVERLAPPED_COMMAND             0x00
 117
 118 #define AAC_STAT_GOOD (DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD)
 119
 120 #define BYTE0(x) (unsigned char)(x)
 121 #define BYTE1(x) (unsigned char)((x) >> 8)
 122 #define BYTE2(x) (unsigned char)((x) >> 16)
 123 #define BYTE3(x) (unsigned char)((x) >> 24)
 124
 125 /* MODE_SENSE data format */
 126 typedef struct {
 127         struct {
 128                 u8      data_length;
 129                 u8      med_type;
 130                 u8      dev_par;
 131                 u8      bd_length;
 132         } __attribute__((packed)) hd;
 133         struct {
 134                 u8      dens_code;
 135                 u8      block_count[3];
 136                 u8      reserved;
 137                 u8      block_length[3];
 138         } __attribute__((packed)) bd;
 139                 u8      mpc_buf[3];
 140 } __attribute__((packed)) aac_modep_data;
 141
 142 /* MODE_SENSE_10 data format */
 143 typedef struct {
 144         struct {
 145                 u8      data_length[2];
 146                 u8      med_type;
 147                 u8      dev_par;
 148                 u8      rsrvd[2];
 149                 u8      bd_length[2];
 150         } __attribute__((packed)) hd;
 151         struct {
 152                 u8      dens_code;
 153                 u8      block_count[3];
 154                 u8      reserved;
 155                 u8      block_length[3];
 156         } __attribute__((packed)) bd;
 157                 u8      mpc_buf[3];
 158 } __attribute__((packed)) aac_modep10_data;
 159
 160 /*------------------------------------------------------------------------------
 161  *              S T R U C T S / T Y P E D E F S
 162  *----------------------------------------------------------------------------*/
 163 /* SCSI inquiry data */
 164 struct inquiry_data {
 165         u8 inqd_pdt;    /* Peripheral qualifier | Peripheral Device Type */
 166         u8 inqd_dtq;    /* RMB | Device Type Qualifier */
 167         u8 inqd_ver;    /* ISO version | ECMA version | ANSI-approved version */
 168         u8 inqd_rdf;    /* AENC | TrmIOP | Response data format */
 169         u8 inqd_len;    /* Additional length (n-4) */
 170         u8 inqd_pad1[2];/* Reserved - must be zero */
 171         u8 inqd_pad2;   /* RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
 172         u8 inqd_vid[8]; /* Vendor ID */
 173         u8 inqd_pid[16];/* Product ID */
 174         u8 inqd_prl[4]; /* Product Revision Level */
 175 };
 176
 177 /* Added for VPD 0x83 */
 178 struct  tvpd_id_descriptor_type_1 {
 179         u8 codeset:4;           /* VPD_CODE_SET */
 180         u8 reserved:4;
 181         u8 identifiertype:4;    /* VPD_IDENTIFIER_TYPE */
 182         u8 reserved2:4;
 183         u8 reserved3;
 184         u8 identifierlength;
 185         u8 venid[8];
 186         u8 productid[16];
 187         u8 serialnumber[8];     /* SN in ASCII */
 188
 189 };
 190
 191 struct tvpd_id_descriptor_type_2 {
 192         u8 codeset:4;           /* VPD_CODE_SET */
 193         u8 reserved:4;
 194         u8 identifiertype:4;    /* VPD_IDENTIFIER_TYPE */
 195         u8 reserved2:4;
 196         u8 reserved3;
 197         u8 identifierlength;
 198         struct teu64id {
 199                 u32 Serial;
 200                  /* The serial number supposed to be 40 bits,
 201                   * bit we only support 32, so make the last byte zero. */
 202                 u8 reserved;
 203                 u8 venid[3];
 204         } eu64id;
 205
 206 };
 207
 208 struct tvpd_id_descriptor_type_3 {
 209         u8 codeset : 4;          /* VPD_CODE_SET */
 210         u8 reserved : 4;
 211         u8 identifiertype : 4;   /* VPD_IDENTIFIER_TYPE */
 212         u8 reserved2 : 4;
 213         u8 reserved3;
 214         u8 identifierlength;
 215         u8 Identifier[16];
 216 };
 217
 218 struct tvpd_page83 {
 219         u8 DeviceType:5;
 220         u8 DeviceTypeQualifier:3;
 221         u8 PageCode;
 222         u8 reserved;
 223         u8 PageLength;
 224         struct tvpd_id_descriptor_type_1 type1;
 225         struct tvpd_id_descriptor_type_2 type2;
 226         struct tvpd_id_descriptor_type_3 type3;
 227 };
 228
 229 /*
 230  *              M O D U L E   G L O B A L S
 231  */
 232
 233 static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *sgmap);
 234 static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg);
 235 static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg);
 236 static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
 237                                 struct aac_raw_io2 *rio2, int sg_max);
 238 static long aac_build_sghba(struct scsi_cmnd *scsicmd,
 239                                 struct aac_hba_cmd_req *hbacmd,
 240                                 int sg_max, u64 sg_address);
 241 static int aac_convert_sgraw2(struct aac_raw_io2 *rio2,
 242                                 int pages, int nseg, int nseg_new);
 243 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
 244 static int aac_send_hba_fib(struct scsi_cmnd *scsicmd);
 245 #ifdef AAC_DETAILED_STATUS_INFO
 246 static char *aac_get_status_string(u32 status);
 247 #endif
 248
 249 /*
 250  *      Non dasd selection is handled entirely in aachba now
 251  */
 252
 253 static int nondasd = -1;
 254 static int aac_cache = 2;       /* WCE=0 to avoid performance problems */
 255 static int dacmode = -1;
 256 int aac_msi;
 257 int aac_commit = -1;
 258 int startup_timeout = 180;
 259 int aif_timeout = 120;
 260 int aac_sync_mode;  /* Only Sync. transfer - disabled */
 261 int aac_convert_sgl = 1;        /* convert non-conformable s/g list - enabled */
 262
 263 module_param(aac_sync_mode, int, S_IRUGO|S_IWUSR);
 264 MODULE_PARM_DESC(aac_sync_mode, "Force sync. transfer mode"
 265         " 0=off, 1=on");
 266 module_param(aac_convert_sgl, int, S_IRUGO|S_IWUSR);
 267 MODULE_PARM_DESC(aac_convert_sgl, "Convert non-conformable s/g list"
 268         " 0=off, 1=on");
 269 module_param(nondasd, int, S_IRUGO|S_IWUSR);
 270 MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices."
 271         " 0=off, 1=on");
 272 module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR);
 273 MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n"
 274         "\tbit 0 - Disable FUA in WRITE SCSI commands\n"
 275         "\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n"
 276         "\tbit 2 - Disable only if Battery is protecting Cache");
 277 module_param(dacmode, int, S_IRUGO|S_IWUSR);
 278 MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC."
 279         " 0=off, 1=on");
 280 module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
 281 MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the"
 282         " adapter for foreign arrays.\n"
 283         "This is typically needed in systems that do not have a BIOS."
 284         " 0=off, 1=on");
 285 module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR);
 286 MODULE_PARM_DESC(msi, "IRQ handling."
 287         " 0=PIC(default), 1=MSI, 2=MSI-X)");
 288 module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
 289 MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for"
 290         " adapter to have it's kernel up and\n"
 291         "running. This is typically adjusted for large systems that do not"
 292         " have a BIOS.");
 293 module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
 294 MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for"
 295         " applications to pick up AIFs before\n"
 296         "deregistering them. This is typically adjusted for heavily burdened"
 297         " systems.");
 298
 299 int aac_fib_dump;
 300 module_param(aac_fib_dump, int, 0644);
 301 MODULE_PARM_DESC(aac_fib_dump, "Dump controller fibs prior to IOP_RESET 0=off, 1=on");
 302
 303 int numacb = -1;
 304 module_param(numacb, int, S_IRUGO|S_IWUSR);
 305 MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control"
 306         " blocks (FIB) allocated. Valid values are 512 and down. Default is"
 307         " to use suggestion from Firmware.");
 308
 309 int acbsize = -1;
 310 module_param(acbsize, int, S_IRUGO|S_IWUSR);
 311 MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB)"
 312         " size. Valid values are 512, 2048, 4096 and 8192. Default is to use"
 313         " suggestion from Firmware.");
 314
 315 int update_interval = 30 * 60;
 316 module_param(update_interval, int, S_IRUGO|S_IWUSR);
 317 MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync"
 318         " updates issued to adapter.");
 319
 320 int check_interval = 60;
 321 module_param(check_interval, int, S_IRUGO|S_IWUSR);
 322 MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
 323         " checks.");
 324
 325 int aac_check_reset = 1;
 326 module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
 327 MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the"
 328         " adapter. a value of -1 forces the reset to adapters programmed to"
 329         " ignore it.");
 330
 331 int expose_physicals = -1;
 332 module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
 333 MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays."
 334         " -1=protect 0=off, 1=on");
 335
 336 int aac_reset_devices;
 337 module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
 338 MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
 339
 340 int aac_wwn = 1;
 341 module_param_named(wwn, aac_wwn, int, S_IRUGO|S_IWUSR);
 342 MODULE_PARM_DESC(wwn, "Select a WWN type for the arrays:\n"
 343         "\t0 - Disable\n"
 344         "\t1 - Array Meta Data Signature (default)\n"
 345         "\t2 - Adapter Serial Number");
 346
 347
 348 static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
 349                 struct fib *fibptr) {
 350         struct scsi_device *device;
 351
 352         if (unlikely(!scsicmd || !scsicmd->scsi_done)) {
 353                 dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"));
 354                 aac_fib_complete(fibptr);
 355                 return 0;
 356         }
 357         scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
 358         device = scsicmd->device;
 359         if (unlikely(!device)) {
 360                 dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
 361                 aac_fib_complete(fibptr);
 362                 return 0;
 363         }
 364         return 1;
 365 }
 366
 367 /**
 368  *      aac_get_config_status   -       check the adapter configuration
 369  *      @common: adapter to query
 370  *
 371  *      Query config status, and commit the configuration if needed.
 372  */
 373 int aac_get_config_status(struct aac_dev *dev, int commit_flag)
 374 {
 375         int status = 0;
 376         struct fib * fibptr;
 377
 378         if (!(fibptr = aac_fib_alloc(dev)))
 379                 return -ENOMEM;
 380
 381         aac_fib_init(fibptr);
 382         {
 383                 struct aac_get_config_status *dinfo;
 384                 dinfo = (struct aac_get_config_status *) fib_data(fibptr);
 385
 386                 dinfo->command = cpu_to_le32(VM_ContainerConfig);
 387                 dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
 388                 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
 389         }
 390
 391         status = aac_fib_send(ContainerCommand,
 392                             fibptr,
 393                             sizeof (struct aac_get_config_status),
 394                             FsaNormal,
 395                             1, 1,
 396                             NULL, NULL);
 397         if (status < 0) {
 398                 printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
 399         } else {
 400                 struct aac_get_config_status_resp *reply
 401                   = (struct aac_get_config_status_resp *) fib_data(fibptr);
 402                 dprintk((KERN_WARNING
 403                   "aac_get_config_status: response=%d status=%d action=%d\n",
 404                   le32_to_cpu(reply->response),
 405                   le32_to_cpu(reply->status),
 406                   le32_to_cpu(reply->data.action)));
 407                 if ((le32_to_cpu(reply->response) != ST_OK) ||
 408                      (le32_to_cpu(reply->status) != CT_OK) ||
 409                      (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
 410                         printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
 411                         status = -EINVAL;
 412                 }
 413         }
 414         /* Do not set XferState to zero unless receives a response from F/W */
 415         if (status >= 0)
 416                 aac_fib_complete(fibptr);
 417
 418         /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
 419         if (status >= 0) {
 420                 if ((aac_commit == 1) || commit_flag) {
 421                         struct aac_commit_config * dinfo;
 422                         aac_fib_init(fibptr);
 423                         dinfo = (struct aac_commit_config *) fib_data(fibptr);
 424
 425                         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 426                         dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
 427
 428                         status = aac_fib_send(ContainerCommand,
 429                                     fibptr,
 430                                     sizeof (struct aac_commit_config),
 431                                     FsaNormal,
 432                                     1, 1,
 433                                     NULL, NULL);
 434                         /* Do not set XferState to zero unless
 435                          * receives a response from F/W */
 436                         if (status >= 0)
 437                                 aac_fib_complete(fibptr);
 438                 } else if (aac_commit == 0) {
 439                         printk(KERN_WARNING
 440                           "aac_get_config_status: Foreign device configurations are being ignored\n");
 441                 }
 442         }
 443         /* FIB should be freed only after getting the response from the F/W */
 444         if (status != -ERESTARTSYS)
 445                 aac_fib_free(fibptr);
 446         return status;
 447 }
 448
 449 static void aac_expose_phy_device(struct scsi_cmnd *scsicmd)
 450 {
 451         char inq_data;
 452         scsi_sg_copy_to_buffer(scsicmd,  &inq_data, sizeof(inq_data));
 453         if ((inq_data & 0x20) && (inq_data & 0x1f) == TYPE_DISK) {
 454                 inq_data &= 0xdf;
 455                 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
 456         }
 457 }
 458
 459 /**
 460  *      aac_get_containers      -       list containers
 461  *      @common: adapter to probe
 462  *
 463  *      Make a list of all containers on this controller
 464  */
 465 int aac_get_containers(struct aac_dev *dev)
 466 {
 467         struct fsa_dev_info *fsa_dev_ptr;
 468         u32 index;
 469         int status = 0;
 470         struct fib * fibptr;
 471         struct aac_get_container_count *dinfo;
 472         struct aac_get_container_count_resp *dresp;
 473         int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 474
 475         if (!(fibptr = aac_fib_alloc(dev)))
 476                 return -ENOMEM;
 477
 478         aac_fib_init(fibptr);
 479         dinfo = (struct aac_get_container_count *) fib_data(fibptr);
 480         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 481         dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
 482
 483         status = aac_fib_send(ContainerCommand,
 484                     fibptr,
 485                     sizeof (struct aac_get_container_count),
 486                     FsaNormal,
 487                     1, 1,
 488                     NULL, NULL);
 489         if (status >= 0) {
 490                 dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
 491                 maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
 492                 if (fibptr->dev->supplement_adapter_info.supported_options2 &
 493                     AAC_OPTION_SUPPORTED_240_VOLUMES) {
 494                         maximum_num_containers =
 495                                 le32_to_cpu(dresp->MaxSimpleVolumes);
 496                 }
 497                 aac_fib_complete(fibptr);
 498         }
 499         /* FIB should be freed only after getting the response from the F/W */
 500         if (status != -ERESTARTSYS)
 501                 aac_fib_free(fibptr);
 502
 503         if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
 504                 maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 505         if (dev->fsa_dev == NULL ||
 506                 dev->maximum_num_containers != maximum_num_containers) {
 507
 508                 fsa_dev_ptr = dev->fsa_dev;
 509
 510                 dev->fsa_dev = kcalloc(maximum_num_containers,
 511                                         sizeof(*fsa_dev_ptr), GFP_KERNEL);
 512
 513                 kfree(fsa_dev_ptr);
 514                 fsa_dev_ptr = NULL;
 515
 516
 517                 if (!dev->fsa_dev)
 518                         return -ENOMEM;
 519
 520                 dev->maximum_num_containers = maximum_num_containers;
 521         }
 522         for (index = 0; index < dev->maximum_num_containers; index++) {
 523                 dev->fsa_dev[index].devname[0] = '\0';
 524                 dev->fsa_dev[index].valid = 0;
 525
 526                 status = aac_probe_container(dev, index);
 527
 528                 if (status < 0) {
 529                         printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
 530                         break;
 531                 }
 532         }
 533         return status;
 534 }
 535
 536 static void get_container_name_callback(void *context, struct fib * fibptr)
 537 {
 538         struct aac_get_name_resp * get_name_reply;
 539         struct scsi_cmnd * scsicmd;
 540
 541         scsicmd = (struct scsi_cmnd *) context;
 542
 543         if (!aac_valid_context(scsicmd, fibptr))
 544                 return;
 545
 546         dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
 547         BUG_ON(fibptr == NULL);
 548
 549         get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
 550         /* Failure is irrelevant, using default value instead */
 551         if ((le32_to_cpu(get_name_reply->status) == CT_OK)
 552          && (get_name_reply->data[0] != '\0')) {
 553                 char *sp = get_name_reply->data;
 554                 int data_size = FIELD_SIZEOF(struct aac_get_name_resp, data);
 555
 556                 sp[data_size - 1] = '\0';
 557                 while (*sp == ' ')
 558                         ++sp;
 559                 if (*sp) {
 560                         struct inquiry_data inq;
 561                         char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
 562                         int count = sizeof(d);
 563                         char *dp = d;
 564                         do {
 565                                 *dp++ = (*sp) ? *sp++ : ' ';
 566                         } while (--count > 0);
 567
 568                         scsi_sg_copy_to_buffer(scsicmd, &inq, sizeof(inq));
 569                         memcpy(inq.inqd_pid, d, sizeof(d));
 570                         scsi_sg_copy_from_buffer(scsicmd, &inq, sizeof(inq));
 571                 }
 572         }
 573
 574         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 575
 576         aac_fib_complete(fibptr);
 577         scsicmd->scsi_done(scsicmd);
 578 }
 579
 580 /**
 581  *      aac_get_container_name  -       get container name, none blocking.
 582  */
 583 static int aac_get_container_name(struct scsi_cmnd * scsicmd)
 584 {
 585         int status;
 586         int data_size;
 587         struct aac_get_name *dinfo;
 588         struct fib * cmd_fibcontext;
 589         struct aac_dev * dev;
 590
 591         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 592
 593         data_size = FIELD_SIZEOF(struct aac_get_name_resp, data);
 594
 595         cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
 596
 597         aac_fib_init(cmd_fibcontext);
 598         dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
 599         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 600
 601         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 602         dinfo->type = cpu_to_le32(CT_READ_NAME);
 603         dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
 604         dinfo->count = cpu_to_le32(data_size - 1);
 605
 606         status = aac_fib_send(ContainerCommand,
 607                   cmd_fibcontext,
 608                   sizeof(struct aac_get_name_resp),
 609                   FsaNormal,
 610                   0, 1,
 611                   (fib_callback)get_container_name_callback,
 612                   (void *) scsicmd);
 613
 614         /*
 615          *      Check that the command queued to the controller
 616          */
 617         if (status == -EINPROGRESS)
 618                 return 0;
 619
 620         printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
 621         aac_fib_complete(cmd_fibcontext);
 622         return -1;
 623 }
 624
 625 static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
 626 {
 627         struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 628
 629         if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1))
 630                 return aac_scsi_cmd(scsicmd);
 631
 632         scsicmd->result = DID_NO_CONNECT << 16;
 633         scsicmd->scsi_done(scsicmd);
 634         return 0;
 635 }
 636
 637 static void _aac_probe_container2(void * context, struct fib * fibptr)
 638 {
 639         struct fsa_dev_info *fsa_dev_ptr;
 640         int (*callback)(struct scsi_cmnd *);
 641         struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context;
 642         int i;
 643
 644
 645         if (!aac_valid_context(scsicmd, fibptr))
 646                 return;
 647
 648         scsicmd->SCp.Status = 0;
 649         fsa_dev_ptr = fibptr->dev->fsa_dev;
 650         if (fsa_dev_ptr) {
 651                 struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
 652                 __le32 sup_options2;
 653
 654                 fsa_dev_ptr += scmd_id(scsicmd);
 655                 sup_options2 =
 656                         fibptr->dev->supplement_adapter_info.supported_options2;
 657
 658                 if ((le32_to_cpu(dresp->status) == ST_OK) &&
 659                     (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
 660                     (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
 661                         if (!(sup_options2 & AAC_OPTION_VARIABLE_BLOCK_SIZE)) {
 662                                 dresp->mnt[0].fileinfo.bdevinfo.block_size = 0x200;
 663                                 fsa_dev_ptr->block_size = 0x200;
 664                         } else {
 665                                 fsa_dev_ptr->block_size =
 666                                         le32_to_cpu(dresp->mnt[0].fileinfo.bdevinfo.block_size);
 667                         }
 668                         for (i = 0; i < 16; i++)
 669                                 fsa_dev_ptr->identifier[i] =
 670                                         dresp->mnt[0].fileinfo.bdevinfo
 671                                                                 .identifier[i];
 672                         fsa_dev_ptr->valid = 1;
 673                         /* sense_key holds the current state of the spin-up */
 674                         if (dresp->mnt[0].state & cpu_to_le32(FSCS_NOT_READY))
 675                                 fsa_dev_ptr->sense_data.sense_key = NOT_READY;
 676                         else if (fsa_dev_ptr->sense_data.sense_key == NOT_READY)
 677                                 fsa_dev_ptr->sense_data.sense_key = NO_SENSE;
 678                         fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
 679                         fsa_dev_ptr->size
 680                           = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
 681                             (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
 682                         fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0);
 683                 }
 684                 if ((fsa_dev_ptr->valid & 1) == 0)
 685                         fsa_dev_ptr->valid = 0;
 686                 scsicmd->SCp.Status = le32_to_cpu(dresp->count);
 687         }
 688         aac_fib_complete(fibptr);
 689         aac_fib_free(fibptr);
 690         callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr);
 691         scsicmd->SCp.ptr = NULL;
 692         (*callback)(scsicmd);
 693         return;
 694 }
 695
 696 static void _aac_probe_container1(void * context, struct fib * fibptr)
 697 {
 698         struct scsi_cmnd * scsicmd;
 699         struct aac_mount * dresp;
 700         struct aac_query_mount *dinfo;
 701         int status;
 702
 703         dresp = (struct aac_mount *) fib_data(fibptr);
 704         if (!aac_supports_2T(fibptr->dev)) {
 705                 dresp->mnt[0].capacityhigh = 0;
 706                 if ((le32_to_cpu(dresp->status) == ST_OK) &&
 707                         (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
 708                         _aac_probe_container2(context, fibptr);
 709                         return;
 710                 }
 711         }
 712         scsicmd = (struct scsi_cmnd *) context;
 713
 714         if (!aac_valid_context(scsicmd, fibptr))
 715                 return;
 716
 717         aac_fib_init(fibptr);
 718
 719         dinfo = (struct aac_query_mount *)fib_data(fibptr);
 720
 721         if (fibptr->dev->supplement_adapter_info.supported_options2 &
 722             AAC_OPTION_VARIABLE_BLOCK_SIZE)
 723                 dinfo->command = cpu_to_le32(VM_NameServeAllBlk);
 724         else
 725                 dinfo->command = cpu_to_le32(VM_NameServe64);
 726
 727         dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 728         dinfo->type = cpu_to_le32(FT_FILESYS);
 729         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 730
 731         status = aac_fib_send(ContainerCommand,
 732                           fibptr,
 733                           sizeof(struct aac_query_mount),
 734                           FsaNormal,
 735                           0, 1,
 736                           _aac_probe_container2,
 737                           (void *) scsicmd);
 738         /*
 739          *      Check that the command queued to the controller
 740          */
 741         if (status < 0 && status != -EINPROGRESS) {
 742                 /* Inherit results from VM_NameServe, if any */
 743                 dresp->status = cpu_to_le32(ST_OK);
 744                 _aac_probe_container2(context, fibptr);
 745         }
 746 }
 747
 748 static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
 749 {
 750         struct fib * fibptr;
 751         int status = -ENOMEM;
 752
 753         if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
 754                 struct aac_query_mount *dinfo;
 755
 756                 aac_fib_init(fibptr);
 757
 758                 dinfo = (struct aac_query_mount *)fib_data(fibptr);
 759
 760                 if (fibptr->dev->supplement_adapter_info.supported_options2 &
 761                     AAC_OPTION_VARIABLE_BLOCK_SIZE)
 762                         dinfo->command = cpu_to_le32(VM_NameServeAllBlk);
 763                 else
 764                         dinfo->command = cpu_to_le32(VM_NameServe);
 765
 766                 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 767                 dinfo->type = cpu_to_le32(FT_FILESYS);
 768                 scsicmd->SCp.ptr = (char *)callback;
 769                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 770
 771                 status = aac_fib_send(ContainerCommand,
 772                           fibptr,
 773                           sizeof(struct aac_query_mount),
 774                           FsaNormal,
 775                           0, 1,
 776                           _aac_probe_container1,
 777                           (void *) scsicmd);
 778                 /*
 779                  *      Check that the command queued to the controller
 780                  */
 781                 if (status == -EINPROGRESS)
 782                         return 0;
 783
 784                 if (status < 0) {
 785                         scsicmd->SCp.ptr = NULL;
 786                         aac_fib_complete(fibptr);
 787                         aac_fib_free(fibptr);
 788                 }
 789         }
 790         if (status < 0) {
 791                 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 792                 if (fsa_dev_ptr) {
 793                         fsa_dev_ptr += scmd_id(scsicmd);
 794                         if ((fsa_dev_ptr->valid & 1) == 0) {
 795                                 fsa_dev_ptr->valid = 0;
 796                                 return (*callback)(scsicmd);
 797                         }
 798                 }
 799         }
 800         return status;
 801 }
 802
 803 /**
 804  *      aac_probe_container             -       query a logical volume
 805  *      @dev: device to query
 806  *      @cid: container identifier
 807  *
 808  *      Queries the controller about the given volume. The volume information
 809  *      is updated in the struct fsa_dev_info structure rather than returned.
 810  */
 811 static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
 812 {
 813         scsicmd->device = NULL;
 814         return 0;
 815 }
 816
 817 int aac_probe_container(struct aac_dev *dev, int cid)
 818 {
 819         struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL);
 820         struct scsi_device *scsidev = kmalloc(sizeof(*scsidev), GFP_KERNEL);
 821         int status;
 822
 823         if (!scsicmd || !scsidev) {
 824                 kfree(scsicmd);
 825                 kfree(scsidev);
 826                 return -ENOMEM;
 827         }
 828         scsicmd->list.next = NULL;
 829         scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))aac_probe_container_callback1;
 830
 831         scsicmd->device = scsidev;
 832         scsidev->sdev_state = 0;
 833         scsidev->id = cid;
 834         scsidev->host = dev->scsi_host_ptr;
 835
 836         if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
 837                 while (scsicmd->device == scsidev)
 838                         schedule();
 839         kfree(scsidev);
 840         status = scsicmd->SCp.Status;
 841         kfree(scsicmd);
 842         return status;
 843 }
 844
 845 /* Local Structure to set SCSI inquiry data strings */
 846 struct scsi_inq {
 847         char vid[8];         /* Vendor ID */
 848         char pid[16];        /* Product ID */
 849         char prl[4];         /* Product Revision Level */
 850 };
 851
 852 /**
 853  *      InqStrCopy      -       string merge
 854  *      @a:     string to copy from
 855  *      @b:     string to copy to
 856  *
 857  *      Copy a String from one location to another
 858  *      without copying \0
 859  */
 860
 861 static void inqstrcpy(char *a, char *b)
 862 {
 863
 864         while (*a != (char)0)
 865                 *b++ = *a++;
 866 }
 867
 868 static char *container_types[] = {
 869         "None",
 870         "Volume",
 871         "Mirror",
 872         "Stripe",
 873         "RAID5",
 874         "SSRW",
 875         "SSRO",
 876         "Morph",
 877         "Legacy",
 878         "RAID4",
 879         "RAID10",
 880         "RAID00",
 881         "V-MIRRORS",
 882         "PSEUDO R4",
 883         "RAID50",
 884         "RAID5D",
 885         "RAID5D0",
 886         "RAID1E",
 887         "RAID6",
 888         "RAID60",
 889         "Unknown"
 890 };
 891
 892 char * get_container_type(unsigned tindex)
 893 {
 894         if (tindex >= ARRAY_SIZE(container_types))
 895                 tindex = ARRAY_SIZE(container_types) - 1;
 896         return container_types[tindex];
 897 }
 898
 899 /* Function: setinqstr
 900  *
 901  * Arguments: [1] pointer to void [1] int
 902  *
 903  * Purpose: Sets SCSI inquiry data strings for vendor, product
 904  * and revision level. Allows strings to be set in platform dependent
 905  * files instead of in OS dependent driver source.
 906  */
 907
 908 static void setinqstr(struct aac_dev *dev, void *data, int tindex)
 909 {
 910         struct scsi_inq *str;
 911         struct aac_supplement_adapter_info *sup_adap_info;
 912
 913         sup_adap_info = &dev->supplement_adapter_info;
 914         str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
 915         memset(str, ' ', sizeof(*str));
 916
 917         if (sup_adap_info->adapter_type_text[0]) {
 918                 int c;
 919                 char *cp;
 920                 char *cname = kmemdup(sup_adap_info->adapter_type_text,
 921                                 sizeof(sup_adap_info->adapter_type_text),
 922                                                                 GFP_ATOMIC);
 923                 if (!cname)
 924                         return;
 925
 926                 cp = cname;
 927                 if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C'))
 928                         inqstrcpy("SMC", str->vid);
 929                 else {
 930                         c = sizeof(str->vid);
 931                         while (*cp && *cp != ' ' && --c)
 932                                 ++cp;
 933                         c = *cp;
 934                         *cp = '\0';
 935                         inqstrcpy(cname, str->vid);
 936                         *cp = c;
 937                         while (*cp && *cp != ' ')
 938                                 ++cp;
 939                 }
 940                 while (*cp == ' ')
 941                         ++cp;
 942                 /* last six chars reserved for vol type */
 943                 if (strlen(cp) > sizeof(str->pid))
 944                         cp[sizeof(str->pid)] = '\0';
 945                 inqstrcpy (cp, str->pid);
 946
 947                 kfree(cname);
 948         } else {
 949                 struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
 950
 951                 inqstrcpy (mp->vname, str->vid);
 952                 /* last six chars reserved for vol type */
 953                 inqstrcpy (mp->model, str->pid);
 954         }
 955
 956         if (tindex < ARRAY_SIZE(container_types)){
 957                 char *findit = str->pid;
 958
 959                 for ( ; *findit != ' '; findit++); /* walk till we find a space */
 960                 /* RAID is superfluous in the context of a RAID device */
 961                 if (memcmp(findit-4, "RAID", 4) == 0)
 962                         *(findit -= 4) = ' ';
 963                 if (((findit - str->pid) + strlen(container_types[tindex]))
 964                  < (sizeof(str->pid) + sizeof(str->prl)))
 965                         inqstrcpy (container_types[tindex], findit + 1);
 966         }
 967         inqstrcpy ("V1.0", str->prl);
 968 }
 969
 970 static void build_vpd83_type3(struct tvpd_page83 *vpdpage83data,
 971                 struct aac_dev *dev, struct scsi_cmnd *scsicmd)
 972 {
 973         int container;
 974
 975         vpdpage83data->type3.codeset = 1;
 976         vpdpage83data->type3.identifiertype = 3;
 977         vpdpage83data->type3.identifierlength = sizeof(vpdpage83data->type3)
 978                         - 4;
 979
 980         for (container = 0; container < dev->maximum_num_containers;
 981                         container++) {
 982
 983                 if (scmd_id(scsicmd) == container) {
 984                         memcpy(vpdpage83data->type3.Identifier,
 985                                         dev->fsa_dev[container].identifier,
 986                                         16);
 987                         break;
 988                 }
 989         }
 990 }
 991
 992 static void get_container_serial_callback(void *context, struct fib * fibptr)
 993 {
 994         struct aac_get_serial_resp * get_serial_reply;
 995         struct scsi_cmnd * scsicmd;
 996
 997         BUG_ON(fibptr == NULL);
 998
 999         scsicmd = (struct scsi_cmnd *) context;
1000         if (!aac_valid_context(scsicmd, fibptr))
1001                 return;
1002
1003         get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr);
1004         /* Failure is irrelevant, using default value instead */
1005         if (le32_to_cpu(get_serial_reply->status) == CT_OK) {
1006                 /*Check to see if it's for VPD 0x83 or 0x80 */
1007                 if (scsicmd->cmnd[2] == 0x83) {
1008                         /* vpd page 0x83 - Device Identification Page */
1009                         struct aac_dev *dev;
1010                         int i;
1011                         struct tvpd_page83 vpdpage83data;
1012
1013                         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1014
1015                         memset(((u8 *)&vpdpage83data), 0,
1016                                sizeof(vpdpage83data));
1017
1018                         /* DIRECT_ACCESS_DEVIC */
1019                         vpdpage83data.DeviceType = 0;
1020                         /* DEVICE_CONNECTED */
1021                         vpdpage83data.DeviceTypeQualifier = 0;
1022                         /* VPD_DEVICE_IDENTIFIERS */
1023                         vpdpage83data.PageCode = 0x83;
1024                         vpdpage83data.reserved = 0;
1025                         vpdpage83data.PageLength =
1026                                 sizeof(vpdpage83data.type1) +
1027                                 sizeof(vpdpage83data.type2);
1028
1029                         /* VPD 83 Type 3 is not supported for ARC */
1030                         if (dev->sa_firmware)
1031                                 vpdpage83data.PageLength +=
1032                                 sizeof(vpdpage83data.type3);
1033
1034                         /* T10 Vendor Identifier Field Format */
1035                         /* VpdcodesetAscii */
1036                         vpdpage83data.type1.codeset = 2;
1037                         /* VpdIdentifierTypeVendorId */
1038                         vpdpage83data.type1.identifiertype = 1;
1039                         vpdpage83data.type1.identifierlength =
1040                                 sizeof(vpdpage83data.type1) - 4;
1041
1042                         /* "ADAPTEC " for adaptec */
1043                         memcpy(vpdpage83data.type1.venid,
1044                                 "ADAPTEC ",
1045                                 sizeof(vpdpage83data.type1.venid));
1046                         memcpy(vpdpage83data.type1.productid,
1047                                 "ARRAY           ",
1048                                 sizeof(
1049                                 vpdpage83data.type1.productid));
1050
1051                         /* Convert to ascii based serial number.
1052                          * The LSB is the the end.
1053                          */
1054                         for (i = 0; i < 8; i++) {
1055                                 u8 temp =
1056                                         (u8)((get_serial_reply->uid >> ((7 - i) * 4)) & 0xF);
1057                                 if (temp  > 0x9) {
1058                                         vpdpage83data.type1.serialnumber[i] =
1059                                                         'A' + (temp - 0xA);
1060                                 } else {
1061                                         vpdpage83data.type1.serialnumber[i] =
1062                                                         '0' + temp;
1063                                 }
1064                         }
1065
1066                         /* VpdCodeSetBinary */
1067                         vpdpage83data.type2.codeset = 1;
1068                         /* VpdidentifiertypeEUI64 */
1069                         vpdpage83data.type2.identifiertype = 2;
1070                         vpdpage83data.type2.identifierlength =
1071                                 sizeof(vpdpage83data.type2) - 4;
1072
1073                         vpdpage83data.type2.eu64id.venid[0] = 0xD0;
1074                         vpdpage83data.type2.eu64id.venid[1] = 0;
1075                         vpdpage83data.type2.eu64id.venid[2] = 0;
1076
1077                         vpdpage83data.type2.eu64id.Serial =
1078                                                         get_serial_reply->uid;
1079                         vpdpage83data.type2.eu64id.reserved = 0;
1080
1081                         /*
1082                          * VpdIdentifierTypeFCPHName
1083                          * VPD 0x83 Type 3 not supported for ARC
1084                          */
1085                         if (dev->sa_firmware) {
1086                                 build_vpd83_type3(&vpdpage83data,
1087                                                 dev, scsicmd);
1088                         }
1089
1090                         /* Move the inquiry data to the response buffer. */
1091                         scsi_sg_copy_from_buffer(scsicmd, &vpdpage83data,
1092                                                  sizeof(vpdpage83data));
1093                 } else {
1094                         /* It must be for VPD 0x80 */
1095                         char sp[13];
1096                         /* EVPD bit set */
1097                         sp[0] = INQD_PDT_DA;
1098                         sp[1] = scsicmd->cmnd[2];
1099                         sp[2] = 0;
1100                         sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
1101                                 le32_to_cpu(get_serial_reply->uid));
1102                         scsi_sg_copy_from_buffer(scsicmd, sp,
1103                                                  sizeof(sp));
1104                 }
1105         }
1106
1107         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1108
1109         aac_fib_complete(fibptr);
1110         scsicmd->scsi_done(scsicmd);
1111 }
1112
1113 /**
1114  *      aac_get_container_serial - get container serial, none blocking.
1115  */
1116 static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
1117 {
1118         int status;
1119         struct aac_get_serial *dinfo;
1120         struct fib * cmd_fibcontext;
1121         struct aac_dev * dev;
1122
1123         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1124
1125         cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
1126
1127         aac_fib_init(cmd_fibcontext);
1128         dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext);
1129
1130         dinfo->command = cpu_to_le32(VM_ContainerConfig);
1131         dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID);
1132         dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
1133         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1134
1135         status = aac_fib_send(ContainerCommand,
1136                   cmd_fibcontext,
1137                   sizeof(struct aac_get_serial_resp),
1138                   FsaNormal,
1139                   0, 1,
1140                   (fib_callback) get_container_serial_callback,
1141                   (void *) scsicmd);
1142
1143         /*
1144          *      Check that the command queued to the controller
1145          */
1146         if (status == -EINPROGRESS)
1147                 return 0;
1148
1149         printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status);
1150         aac_fib_complete(cmd_fibcontext);
1151         return -1;
1152 }
1153
1154 /* Function: setinqserial
1155  *
1156  * Arguments: [1] pointer to void [1] int
1157  *
1158  * Purpose: Sets SCSI Unit Serial number.
1159  *          This is a fake. We should read a proper
1160  *          serial number from the container. <SuSE>But
1161  *          without docs it's quite hard to do it :-)
1162  *          So this will have to do in the meantime.</SuSE>
1163  */
1164
1165 static int setinqserial(struct aac_dev *dev, void *data, int cid)
1166 {
1167         /*
1168          *      This breaks array migration.
1169          */
1170         return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X",
1171                         le32_to_cpu(dev->adapter_info.serial[0]), cid);
1172 }
1173
1174 static inline void set_sense(struct sense_data *sense_data, u8 sense_key,
1175         u8 sense_code, u8 a_sense_code, u8 bit_pointer, u16 field_pointer)
1176 {
1177         u8 *sense_buf = (u8 *)sense_data;
1178         /* Sense data valid, err code 70h */
1179         sense_buf[0] = 0x70; /* No info field */
1180         sense_buf[1] = 0;       /* Segment number, always zero */
1181
1182         sense_buf[2] = sense_key;       /* Sense key */
1183
1184         sense_buf[12] = sense_code;     /* Additional sense code */
1185         sense_buf[13] = a_sense_code;   /* Additional sense code qualifier */
1186
1187         if (sense_key == ILLEGAL_REQUEST) {
1188                 sense_buf[7] = 10;      /* Additional sense length */
1189
1190                 sense_buf[15] = bit_pointer;
1191                 /* Illegal parameter is in the parameter block */
1192                 if (sense_code == SENCODE_INVALID_CDB_FIELD)
1193                         sense_buf[15] |= 0xc0;/* Std sense key specific field */
1194                 /* Illegal parameter is in the CDB block */
1195                 sense_buf[16] = field_pointer >> 8;     /* MSB */
1196                 sense_buf[17] = field_pointer;          /* LSB */
1197         } else
1198                 sense_buf[7] = 6;       /* Additional sense length */
1199 }
1200
1201 static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
1202 {
1203         if (lba & 0xffffffff00000000LL) {
1204                 int cid = scmd_id(cmd);
1205                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
1206                 cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1207                         SAM_STAT_CHECK_CONDITION;
1208                 set_sense(&dev->fsa_dev[cid].sense_data,
1209                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1210                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1211                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1212                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1213                              SCSI_SENSE_BUFFERSIZE));
1214                 cmd->scsi_done(cmd);
1215                 return 1;
1216         }
1217         return 0;
1218 }
1219
1220 static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
1221 {
1222         return 0;
1223 }
1224
1225 static void io_callback(void *context, struct fib * fibptr);
1226
1227 static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1228 {
1229         struct aac_dev *dev = fib->dev;
1230         u16 fibsize, command;
1231         long ret;
1232
1233         aac_fib_init(fib);
1234         if ((dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 ||
1235                 dev->comm_interface == AAC_COMM_MESSAGE_TYPE3) &&
1236                 !dev->sync_mode) {
1237                 struct aac_raw_io2 *readcmd2;
1238                 readcmd2 = (struct aac_raw_io2 *) fib_data(fib);
1239                 memset(readcmd2, 0, sizeof(struct aac_raw_io2));
1240                 readcmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
1241                 readcmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1242                 readcmd2->byteCount = cpu_to_le32(count *
1243                         dev->fsa_dev[scmd_id(cmd)].block_size);
1244                 readcmd2->cid = cpu_to_le16(scmd_id(cmd));
1245                 readcmd2->flags = cpu_to_le16(RIO2_IO_TYPE_READ);
1246                 ret = aac_build_sgraw2(cmd, readcmd2,
1247                                 dev->scsi_host_ptr->sg_tablesize);
1248                 if (ret < 0)
1249                         return ret;
1250                 command = ContainerRawIo2;
1251                 fibsize = sizeof(struct aac_raw_io2) +
1252                         ((le32_to_cpu(readcmd2->sgeCnt)-1) * sizeof(struct sge_ieee1212));
1253         } else {
1254                 struct aac_raw_io *readcmd;
1255                 readcmd = (struct aac_raw_io *) fib_data(fib);
1256                 readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1257                 readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1258                 readcmd->count = cpu_to_le32(count *
1259                         dev->fsa_dev[scmd_id(cmd)].block_size);
1260                 readcmd->cid = cpu_to_le16(scmd_id(cmd));
1261                 readcmd->flags = cpu_to_le16(RIO_TYPE_READ);
1262                 readcmd->bpTotal = 0;
1263                 readcmd->bpComplete = 0;
1264                 ret = aac_build_sgraw(cmd, &readcmd->sg);
1265                 if (ret < 0)
1266                         return ret;
1267                 command = ContainerRawIo;
1268                 fibsize = sizeof(struct aac_raw_io) +
1269                         ((le32_to_cpu(readcmd->sg.count)-1) * sizeof(struct sgentryraw));
1270         }
1271
1272         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1273         /*
1274          *      Now send the Fib to the adapter
1275          */
1276         return aac_fib_send(command,
1277                           fib,
1278                           fibsize,
1279                           FsaNormal,
1280                           0, 1,
1281                           (fib_callback) io_callback,
1282                           (void *) cmd);
1283 }
1284
1285 static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1286 {
1287         u16 fibsize;
1288         struct aac_read64 *readcmd;
1289         long ret;
1290
1291         aac_fib_init(fib);
1292         readcmd = (struct aac_read64 *) fib_data(fib);
1293         readcmd->command = cpu_to_le32(VM_CtHostRead64);
1294         readcmd->cid = cpu_to_le16(scmd_id(cmd));
1295         readcmd->sector_count = cpu_to_le16(count);
1296         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1297         readcmd->pad   = 0;
1298         readcmd->flags = 0;
1299
1300         ret = aac_build_sg64(cmd, &readcmd->sg);
1301         if (ret < 0)
1302                 return ret;
1303         fibsize = sizeof(struct aac_read64) +
1304                 ((le32_to_cpu(readcmd->sg.count) - 1) *
1305                  sizeof (struct sgentry64));
1306         BUG_ON (fibsize > (fib->dev->max_fib_size -
1307                                 sizeof(struct aac_fibhdr)));
1308         /*
1309          *      Now send the Fib to the adapter
1310          */
1311         return aac_fib_send(ContainerCommand64,
1312                           fib,
1313                           fibsize,
1314                           FsaNormal,
1315                           0, 1,
1316                           (fib_callback) io_callback,
1317                           (void *) cmd);
1318 }
1319
1320 static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1321 {
1322         u16 fibsize;
1323         struct aac_read *readcmd;
1324         struct aac_dev *dev = fib->dev;
1325         long ret;
1326
1327         aac_fib_init(fib);
1328         readcmd = (struct aac_read *) fib_data(fib);
1329         readcmd->command = cpu_to_le32(VM_CtBlockRead);
1330         readcmd->cid = cpu_to_le32(scmd_id(cmd));
1331         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1332         readcmd->count = cpu_to_le32(count *
1333                 dev->fsa_dev[scmd_id(cmd)].block_size);
1334
1335         ret = aac_build_sg(cmd, &readcmd->sg);
1336         if (ret < 0)
1337                 return ret;
1338         fibsize = sizeof(struct aac_read) +
1339                         ((le32_to_cpu(readcmd->sg.count) - 1) *
1340                          sizeof (struct sgentry));
1341         BUG_ON (fibsize > (fib->dev->max_fib_size -
1342                                 sizeof(struct aac_fibhdr)));
1343         /*
1344          *      Now send the Fib to the adapter
1345          */
1346         return aac_fib_send(ContainerCommand,
1347                           fib,
1348                           fibsize,
1349                           FsaNormal,
1350                           0, 1,
1351                           (fib_callback) io_callback,
1352                           (void *) cmd);
1353 }
1354
1355 static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1356 {
1357         struct aac_dev *dev = fib->dev;
1358         u16 fibsize, command;
1359         long ret;
1360
1361         aac_fib_init(fib);
1362         if ((dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 ||
1363                 dev->comm_interface == AAC_COMM_MESSAGE_TYPE3) &&
1364                 !dev->sync_mode) {
1365                 struct aac_raw_io2 *writecmd2;
1366                 writecmd2 = (struct aac_raw_io2 *) fib_data(fib);
1367                 memset(writecmd2, 0, sizeof(struct aac_raw_io2));
1368                 writecmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
1369                 writecmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1370                 writecmd2->byteCount = cpu_to_le32(count *
1371                         dev->fsa_dev[scmd_id(cmd)].block_size);
1372                 writecmd2->cid = cpu_to_le16(scmd_id(cmd));
1373                 writecmd2->flags = (fua && ((aac_cache & 5) != 1) &&
1374                                                    (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1375                         cpu_to_le16(RIO2_IO_TYPE_WRITE|RIO2_IO_SUREWRITE) :
1376                         cpu_to_le16(RIO2_IO_TYPE_WRITE);
1377                 ret = aac_build_sgraw2(cmd, writecmd2,
1378                                 dev->scsi_host_ptr->sg_tablesize);
1379                 if (ret < 0)
1380                         return ret;
1381                 command = ContainerRawIo2;
1382                 fibsize = sizeof(struct aac_raw_io2) +
1383                         ((le32_to_cpu(writecmd2->sgeCnt)-1) * sizeof(struct sge_ieee1212));
1384         } else {
1385                 struct aac_raw_io *writecmd;
1386                 writecmd = (struct aac_raw_io *) fib_data(fib);
1387                 writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1388                 writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1389                 writecmd->count = cpu_to_le32(count *
1390                         dev->fsa_dev[scmd_id(cmd)].block_size);
1391                 writecmd->cid = cpu_to_le16(scmd_id(cmd));
1392                 writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
1393                                                    (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1394                         cpu_to_le16(RIO_TYPE_WRITE|RIO_SUREWRITE) :
1395                         cpu_to_le16(RIO_TYPE_WRITE);
1396                 writecmd->bpTotal = 0;
1397                 writecmd->bpComplete = 0;
1398                 ret = aac_build_sgraw(cmd, &writecmd->sg);
1399                 if (ret < 0)
1400                         return ret;
1401                 command = ContainerRawIo;
1402                 fibsize = sizeof(struct aac_raw_io) +
1403                         ((le32_to_cpu(writecmd->sg.count)-1) * sizeof (struct sgentryraw));
1404         }
1405
1406         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1407         /*
1408          *      Now send the Fib to the adapter
1409          */
1410         return aac_fib_send(command,
1411                           fib,
1412                           fibsize,
1413                           FsaNormal,
1414                           0, 1,
1415                           (fib_callback) io_callback,
1416                           (void *) cmd);
1417 }
1418
1419 static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1420 {
1421         u16 fibsize;
1422         struct aac_write64 *writecmd;
1423         long ret;
1424
1425         aac_fib_init(fib);
1426         writecmd = (struct aac_write64 *) fib_data(fib);
1427         writecmd->command = cpu_to_le32(VM_CtHostWrite64);
1428         writecmd->cid = cpu_to_le16(scmd_id(cmd));
1429         writecmd->sector_count = cpu_to_le16(count);
1430         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1431         writecmd->pad   = 0;
1432         writecmd->flags = 0;
1433
1434         ret = aac_build_sg64(cmd, &writecmd->sg);
1435         if (ret < 0)
1436                 return ret;
1437         fibsize = sizeof(struct aac_write64) +
1438                 ((le32_to_cpu(writecmd->sg.count) - 1) *
1439                  sizeof (struct sgentry64));
1440         BUG_ON (fibsize > (fib->dev->max_fib_size -
1441                                 sizeof(struct aac_fibhdr)));
1442         /*
1443          *      Now send the Fib to the adapter
1444          */
1445         return aac_fib_send(ContainerCommand64,
1446                           fib,
1447                           fibsize,
1448                           FsaNormal,
1449                           0, 1,
1450                           (fib_callback) io_callback,
1451                           (void *) cmd);
1452 }
1453
1454 static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1455 {
1456         u16 fibsize;
1457         struct aac_write *writecmd;
1458         struct aac_dev *dev = fib->dev;
1459         long ret;
1460
1461         aac_fib_init(fib);
1462         writecmd = (struct aac_write *) fib_data(fib);
1463         writecmd->command = cpu_to_le32(VM_CtBlockWrite);
1464         writecmd->cid = cpu_to_le32(scmd_id(cmd));
1465         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1466         writecmd->count = cpu_to_le32(count *
1467                 dev->fsa_dev[scmd_id(cmd)].block_size);
1468         writecmd->sg.count = cpu_to_le32(1);
1469         /* ->stable is not used - it did mean which type of write */
1470
1471         ret = aac_build_sg(cmd, &writecmd->sg);
1472         if (ret < 0)
1473                 return ret;
1474         fibsize = sizeof(struct aac_write) +
1475                 ((le32_to_cpu(writecmd->sg.count) - 1) *
1476                  sizeof (struct sgentry));
1477         BUG_ON (fibsize > (fib->dev->max_fib_size -
1478                                 sizeof(struct aac_fibhdr)));
1479         /*
1480          *      Now send the Fib to the adapter
1481          */
1482         return aac_fib_send(ContainerCommand,
1483                           fib,
1484                           fibsize,
1485                           FsaNormal,
1486                           0, 1,
1487                           (fib_callback) io_callback,
1488                           (void *) cmd);
1489 }
1490
1491 static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
1492 {
1493         struct aac_srb * srbcmd;
1494         u32 flag;
1495         u32 timeout;
1496
1497         aac_fib_init(fib);
1498         switch(cmd->sc_data_direction){
1499         case DMA_TO_DEVICE:
1500                 flag = SRB_DataOut;
1501                 break;
1502         case DMA_BIDIRECTIONAL:
1503                 flag = SRB_DataIn | SRB_DataOut;
1504                 break;
1505         case DMA_FROM_DEVICE:
1506                 flag = SRB_DataIn;
1507                 break;
1508         case DMA_NONE:
1509         default:        /* shuts up some versions of gcc */
1510                 flag = SRB_NoDataXfer;
1511                 break;
1512         }
1513
1514         srbcmd = (struct aac_srb*) fib_data(fib);
1515         srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1516         srbcmd->channel  = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1517         srbcmd->id       = cpu_to_le32(scmd_id(cmd));
1518         srbcmd->lun      = cpu_to_le32(cmd->device->lun);
1519         srbcmd->flags    = cpu_to_le32(flag);
1520         timeout = cmd->request->timeout/HZ;
1521         if (timeout == 0)
1522                 timeout = 1;
1523         srbcmd->timeout  = cpu_to_le32(timeout);  // timeout in seconds
1524         srbcmd->retry_limit = 0; /* Obsolete parameter */
1525         srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1526         return srbcmd;
1527 }
1528
1529 static struct aac_hba_cmd_req *aac_construct_hbacmd(struct fib *fib,
1530                                                         struct scsi_cmnd *cmd)
1531 {
1532         struct aac_hba_cmd_req *hbacmd;
1533         struct aac_dev *dev;
1534         int bus, target;
1535         u64 address;
1536
1537         dev = (struct aac_dev *)cmd->device->host->hostdata;
1538
1539         hbacmd = (struct aac_hba_cmd_req *)fib->hw_fib_va;
1540         memset(hbacmd, 0, 96);  /* sizeof(*hbacmd) is not necessary */
1541         /* iu_type is a parameter of aac_hba_send */
1542         switch (cmd->sc_data_direction) {
1543         case DMA_TO_DEVICE:
1544                 hbacmd->byte1 = 2;
1545                 break;
1546         case DMA_FROM_DEVICE:
1547         case DMA_BIDIRECTIONAL:
1548                 hbacmd->byte1 = 1;
1549                 break;
1550         case DMA_NONE:
1551         default:
1552                 break;
1553         }
1554         hbacmd->lun[1] = cpu_to_le32(cmd->device->lun);
1555
1556         bus = aac_logical_to_phys(scmd_channel(cmd));
1557         target = scmd_id(cmd);
1558         hbacmd->it_nexus = dev->hba_map[bus][target].rmw_nexus;
1559
1560         /* we fill in reply_qid later in aac_src_deliver_message */
1561         /* we fill in iu_type, request_id later in aac_hba_send */
1562         /* we fill in emb_data_desc_count later in aac_build_sghba */
1563
1564         memcpy(hbacmd->cdb, cmd->cmnd, cmd->cmd_len);
1565         hbacmd->data_length = cpu_to_le32(scsi_bufflen(cmd));
1566
1567         address = (u64)fib->hw_error_pa;
1568         hbacmd->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
1569         hbacmd->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
1570         hbacmd->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
1571
1572         return hbacmd;
1573 }
1574
1575 static void aac_srb_callback(void *context, struct fib * fibptr);
1576
1577 static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1578 {
1579         u16 fibsize;
1580         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1581         long ret;
1582
1583         ret = aac_build_sg64(cmd, (struct sgmap64 *) &srbcmd->sg);
1584         if (ret < 0)
1585                 return ret;
1586         srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1587
1588         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1589         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1590         /*
1591          *      Build Scatter/Gather list
1592          */
1593         fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1594                 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1595                  sizeof (struct sgentry64));
1596         BUG_ON (fibsize > (fib->dev->max_fib_size -
1597                                 sizeof(struct aac_fibhdr)));
1598
1599         /*
1600          *      Now send the Fib to the adapter
1601          */
1602         return aac_fib_send(ScsiPortCommand64, fib,
1603                                 fibsize, FsaNormal, 0, 1,
1604                                   (fib_callback) aac_srb_callback,
1605                                   (void *) cmd);
1606 }
1607
1608 static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1609 {
1610         u16 fibsize;
1611         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1612         long ret;
1613
1614         ret = aac_build_sg(cmd, (struct sgmap *)&srbcmd->sg);
1615         if (ret < 0)
1616                 return ret;
1617         srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1618
1619         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1620         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1621         /*
1622          *      Build Scatter/Gather list
1623          */
1624         fibsize = sizeof (struct aac_srb) +
1625                 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1626                  sizeof (struct sgentry));
1627         BUG_ON (fibsize > (fib->dev->max_fib_size -
1628                                 sizeof(struct aac_fibhdr)));
1629
1630         /*
1631          *      Now send the Fib to the adapter
1632          */
1633         return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1634                                   (fib_callback) aac_srb_callback, (void *) cmd);
1635 }
1636
1637 static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd)
1638 {
1639         if ((sizeof(dma_addr_t) > 4) && fib->dev->needs_dac &&
1640             (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64))
1641                 return FAILED;
1642         return aac_scsi_32(fib, cmd);
1643 }
1644
1645 static int aac_adapter_hba(struct fib *fib, struct scsi_cmnd *cmd)
1646 {
1647         struct aac_hba_cmd_req *hbacmd = aac_construct_hbacmd(fib, cmd);
1648         struct aac_dev *dev;
1649         long ret;
1650
1651         dev = (struct aac_dev *)cmd->device->host->hostdata;
1652
1653         ret = aac_build_sghba(cmd, hbacmd,
1654                 dev->scsi_host_ptr->sg_tablesize, (u64)fib->hw_sgl_pa);
1655         if (ret < 0)
1656                 return ret;
1657
1658         /*
1659          *      Now send the HBA command to the adapter
1660          */
1661         fib->hbacmd_size = 64 + le32_to_cpu(hbacmd->emb_data_desc_count) *
1662                 sizeof(struct aac_hba_sgl);
1663
1664         return aac_hba_send(HBA_IU_TYPE_SCSI_CMD_REQ, fib,
1665                                   (fib_callback) aac_hba_callback,
1666                                   (void *) cmd);
1667 }
1668
1669 static int aac_send_safw_bmic_cmd(struct aac_dev *dev,
1670         struct aac_srb_unit *srbu, void *xfer_buf, int xfer_len)
1671 {
1672         struct fib      *fibptr;
1673         dma_addr_t      addr;
1674         int             rcode;
1675         int             fibsize;
1676         struct aac_srb  *srb;
1677         struct aac_srb_reply *srb_reply;
1678         struct sgmap64  *sg64;
1679         u32 vbus;
1680         u32 vid;
1681
1682         if (!dev->sa_firmware)
1683                 return 0;
1684
1685         /* allocate FIB */
1686         fibptr = aac_fib_alloc(dev);
1687         if (!fibptr)
1688                 return -ENOMEM;
1689
1690         aac_fib_init(fibptr);
1691         fibptr->hw_fib_va->header.XferState &=
1692                 ~cpu_to_le32(FastResponseCapable);
1693
1694         fibsize  = sizeof(struct aac_srb) - sizeof(struct sgentry) +
1695                                                 sizeof(struct sgentry64);
1696
1697         /* allocate DMA buffer for response */
1698         addr = dma_map_single(&dev->pdev->dev, xfer_buf, xfer_len,
1699                                                         DMA_BIDIRECTIONAL);
1700         if (dma_mapping_error(&dev->pdev->dev, addr)) {
1701                 rcode = -ENOMEM;
1702                 goto fib_error;
1703         }
1704
1705         srb = fib_data(fibptr);
1706         memcpy(srb, &srbu->srb, sizeof(struct aac_srb));
1707
1708         vbus = (u32)le16_to_cpu(
1709                         dev->supplement_adapter_info.virt_device_bus);
1710         vid  = (u32)le16_to_cpu(
1711                         dev->supplement_adapter_info.virt_device_target);
1712
1713         /* set the common request fields */
1714         srb->channel            = cpu_to_le32(vbus);
1715         srb->id                 = cpu_to_le32(vid);
1716         srb->lun                = 0;
1717         srb->function           = cpu_to_le32(SRBF_ExecuteScsi);
1718         srb->timeout            = 0;
1719         srb->retry_limit        = 0;
1720         srb->cdb_size           = cpu_to_le32(16);
1721         srb->count              = cpu_to_le32(xfer_len);
1722
1723         sg64 = (struct sgmap64 *)&srb->sg;
1724         sg64->count             = cpu_to_le32(1);
1725         sg64->sg[0].addr[1]     = cpu_to_le32(upper_32_bits(addr));
1726         sg64->sg[0].addr[0]     = cpu_to_le32(lower_32_bits(addr));
1727         sg64->sg[0].count       = cpu_to_le32(xfer_len);
1728
1729         /*
1730          * Copy the updated data for other dumping or other usage if needed
1731          */
1732         memcpy(&srbu->srb, srb, sizeof(struct aac_srb));
1733
1734         /* issue request to the controller */
1735         rcode = aac_fib_send(ScsiPortCommand64, fibptr, fibsize, FsaNormal,
1736                                         1, 1, NULL, NULL);
1737
1738         if (rcode == -ERESTARTSYS)
1739                 rcode = -ERESTART;
1740
1741         if (unlikely(rcode < 0))
1742                 goto bmic_error;
1743
1744         srb_reply = (struct aac_srb_reply *)fib_data(fibptr);
1745         memcpy(&srbu->srb_reply, srb_reply, sizeof(struct aac_srb_reply));
1746
1747 bmic_error:
1748         dma_unmap_single(&dev->pdev->dev, addr, xfer_len, DMA_BIDIRECTIONAL);
1749 fib_error:
1750         aac_fib_complete(fibptr);
1751         aac_fib_free(fibptr);
1752         return rcode;
1753 }
1754
1755 static void aac_set_safw_target_qd(struct aac_dev *dev, int bus, int target)
1756 {
1757
1758         struct aac_ciss_identify_pd *identify_resp;
1759
1760         if (dev->hba_map[bus][target].devtype != AAC_DEVTYPE_NATIVE_RAW)
1761                 return;
1762
1763         identify_resp = dev->hba_map[bus][target].safw_identify_resp;
1764         if (identify_resp == NULL) {
1765                 dev->hba_map[bus][target].qd_limit = 32;
1766                 return;
1767         }
1768
1769         if (identify_resp->current_queue_depth_limit <= 0 ||
1770                 identify_resp->current_queue_depth_limit > 255)
1771                 dev->hba_map[bus][target].qd_limit = 32;
1772         else
1773                 dev->hba_map[bus][target].qd_limit =
1774                         identify_resp->current_queue_depth_limit;
1775 }
1776
1777 static int aac_issue_safw_bmic_identify(struct aac_dev *dev,
1778         struct aac_ciss_identify_pd **identify_resp, u32 bus, u32 target)
1779 {
1780         int rcode = -ENOMEM;
1781         int datasize;
1782         struct aac_srb_unit srbu;
1783         struct aac_srb *srbcmd;
1784         struct aac_ciss_identify_pd *identify_reply;
1785
1786         datasize = sizeof(struct aac_ciss_identify_pd);
1787         identify_reply = kmalloc(datasize, GFP_KERNEL);
1788         if (!identify_reply)
1789                 goto out;
1790
1791         memset(&srbu, 0, sizeof(struct aac_srb_unit));
1792
1793         srbcmd = &srbu.srb;
1794         srbcmd->flags   = cpu_to_le32(SRB_DataIn);
1795         srbcmd->cdb[0]  = 0x26;
1796         srbcmd->cdb[2]  = (u8)((AAC_MAX_LUN + target) & 0x00FF);
1797         srbcmd->cdb[6]  = CISS_IDENTIFY_PHYSICAL_DEVICE;
1798
1799         rcode = aac_send_safw_bmic_cmd(dev, &srbu, identify_reply, datasize);
1800         if (unlikely(rcode < 0))
1801                 goto mem_free_all;
1802
1803         *identify_resp = identify_reply;
1804
1805 out:
1806         return rcode;
1807 mem_free_all:
1808         kfree(identify_reply);
1809         goto out;
1810 }
1811
1812 static inline void aac_free_safw_ciss_luns(struct aac_dev *dev)
1813 {
1814         kfree(dev->safw_phys_luns);
1815         dev->safw_phys_luns = NULL;
1816 }
1817
1818 /**
1819  *      aac_get_safw_ciss_luns()        Process topology change
1820  *      @dev:           aac_dev structure
1821  *
1822  *      Execute a CISS REPORT PHYS LUNS and process the results into
1823  *      the current hba_map.
1824  */
1825 static int aac_get_safw_ciss_luns(struct aac_dev *dev)
1826 {
1827         int rcode = -ENOMEM;
1828         int datasize;
1829         struct aac_srb *srbcmd;
1830         struct aac_srb_unit srbu;
1831         struct aac_ciss_phys_luns_resp *phys_luns;
1832
1833         datasize = sizeof(struct aac_ciss_phys_luns_resp) +
1834                 (AAC_MAX_TARGETS - 1) * sizeof(struct _ciss_lun);
1835         phys_luns = kmalloc(datasize, GFP_KERNEL);
1836         if (phys_luns == NULL)
1837                 goto out;
1838
1839         memset(&srbu, 0, sizeof(struct aac_srb_unit));
1840
1841         srbcmd = &srbu.srb;
1842         srbcmd->flags   = cpu_to_le32(SRB_DataIn);
1843         srbcmd->cdb[0]  = CISS_REPORT_PHYSICAL_LUNS;
1844         srbcmd->cdb[1]  = 2; /* extended reporting */
1845         srbcmd->cdb[8]  = (u8)(datasize >> 8);
1846         srbcmd->cdb[9]  = (u8)(datasize);
1847
1848         rcode = aac_send_safw_bmic_cmd(dev, &srbu, phys_luns, datasize);
1849         if (unlikely(rcode < 0))
1850                 goto mem_free_all;
1851
1852         if (phys_luns->resp_flag != 2) {
1853                 rcode = -ENOMSG;
1854                 goto mem_free_all;
1855         }
1856
1857         dev->safw_phys_luns = phys_luns;
1858
1859 out:
1860         return rcode;
1861 mem_free_all:
1862         kfree(phys_luns);
1863         goto out;
1864 }
1865
1866 static inline u32 aac_get_safw_phys_lun_count(struct aac_dev *dev)
1867 {
1868         return get_unaligned_be32(&dev->safw_phys_luns->list_length[0])/24;
1869 }
1870
1871 static inline u32 aac_get_safw_phys_bus(struct aac_dev *dev, int lun)
1872 {
1873         return dev->safw_phys_luns->lun[lun].level2[1] & 0x3f;
1874 }
1875
1876 static inline u32 aac_get_safw_phys_target(struct aac_dev *dev, int lun)
1877 {
1878         return dev->safw_phys_luns->lun[lun].level2[0];
1879 }
1880
1881 static inline u32 aac_get_safw_phys_expose_flag(struct aac_dev *dev, int lun)
1882 {
1883         return dev->safw_phys_luns->lun[lun].bus >> 6;
1884 }
1885
1886 static inline u32 aac_get_safw_phys_attribs(struct aac_dev *dev, int lun)
1887 {
1888         return dev->safw_phys_luns->lun[lun].node_ident[9];
1889 }
1890
1891 static inline u32 aac_get_safw_phys_nexus(struct aac_dev *dev, int lun)
1892 {
1893         return *((u32 *)&dev->safw_phys_luns->lun[lun].node_ident[12]);
1894 }
1895
1896 static inline u32 aac_get_safw_phys_device_type(struct aac_dev *dev, int lun)
1897 {
1898         return dev->safw_phys_luns->lun[lun].node_ident[8];
1899 }
1900
1901 static inline void aac_free_safw_identify_resp(struct aac_dev *dev,
1902                                                 int bus, int target)
1903 {
1904         kfree(dev->hba_map[bus][target].safw_identify_resp);
1905         dev->hba_map[bus][target].safw_identify_resp = NULL;
1906 }
1907
1908 static inline void aac_free_safw_all_identify_resp(struct aac_dev *dev,
1909         int lun_count)
1910 {
1911         int luns;
1912         int i;
1913         u32 bus;
1914         u32 target;
1915
1916         luns = aac_get_safw_phys_lun_count(dev);
1917
1918         if (luns < lun_count)
1919                 lun_count = luns;
1920         else if (lun_count < 0)
1921                 lun_count = luns;
1922
1923         for (i = 0; i < lun_count; i++) {
1924                 bus = aac_get_safw_phys_bus(dev, i);
1925                 target = aac_get_safw_phys_target(dev, i);
1926
1927                 aac_free_safw_identify_resp(dev, bus, target);
1928         }
1929 }
1930
1931 static int aac_get_safw_attr_all_targets(struct aac_dev *dev)
1932 {
1933         int i;
1934         int rcode = 0;
1935         u32 lun_count;
1936         u32 bus;
1937         u32 target;
1938         struct aac_ciss_identify_pd *identify_resp = NULL;
1939
1940         lun_count = aac_get_safw_phys_lun_count(dev);
1941
1942         for (i = 0; i < lun_count; ++i) {
1943
1944                 bus = aac_get_safw_phys_bus(dev, i);
1945                 target = aac_get_safw_phys_target(dev, i);
1946
1947                 rcode = aac_issue_safw_bmic_identify(dev,
1948                                                 &identify_resp, bus, target);
1949
1950                 if (unlikely(rcode < 0))
1951                         goto free_identify_resp;
1952
1953                 dev->hba_map[bus][target].safw_identify_resp = identify_resp;
1954         }
1955
1956 out:
1957         return rcode;
1958 free_identify_resp:
1959         aac_free_safw_all_identify_resp(dev, i);
1960         goto out;
1961 }
1962
1963 /**
1964  *      aac_set_safw_attr_all_targets-  update current hba map with data from FW
1965  *      @dev:   aac_dev structure
1966  *      @phys_luns: FW information from report phys luns
1967  *      @rescan: Indicates scan type
1968  *
1969  *      Update our hba map with the information gathered from the FW
1970  */
1971 static void aac_set_safw_attr_all_targets(struct aac_dev *dev)
1972 {
1973         /* ok and extended reporting */
1974         u32 lun_count, nexus;
1975         u32 i, bus, target;
1976         u8 expose_flag, attribs;
1977         u8 devtype;
1978
1979         lun_count = aac_get_safw_phys_lun_count(dev);
1980
1981         dev->scan_counter++;
1982
1983         for (i = 0; i < lun_count; ++i) {
1984
1985                 bus = aac_get_safw_phys_bus(dev, i);
1986                 target = aac_get_safw_phys_target(dev, i);
1987                 expose_flag = aac_get_safw_phys_expose_flag(dev, i);
1988                 attribs = aac_get_safw_phys_attribs(dev, i);
1989                 nexus = aac_get_safw_phys_nexus(dev, i);
1990
1991                 if (bus >= AAC_MAX_BUSES || target >= AAC_MAX_TARGETS)
1992                         continue;
1993
1994                 if (expose_flag != 0) {
1995                         devtype = AAC_DEVTYPE_RAID_MEMBER;
1996                         goto update_devtype;
1997                 }
1998
1999                 if (nexus != 0 && (attribs & 8)) {
2000                         devtype = AAC_DEVTYPE_NATIVE_RAW;
2001                         dev->hba_map[bus][target].rmw_nexus =
2002                                         nexus;
2003                 } else
2004                         devtype = AAC_DEVTYPE_ARC_RAW;
2005
2006                 dev->hba_map[bus][target].scan_counter = dev->scan_counter;
2007
2008                 aac_set_safw_target_qd(dev, bus, target);
2009
2010 update_devtype:
2011                 dev->hba_map[bus][target].devtype = devtype;
2012         }
2013 }
2014
2015 static int aac_setup_safw_targets(struct aac_dev *dev)
2016 {
2017         int rcode = 0;
2018
2019         rcode = aac_get_containers(dev);
2020         if (unlikely(rcode < 0))
2021                 goto out;
2022
2023         rcode = aac_get_safw_ciss_luns(dev);
2024         if (unlikely(rcode < 0))
2025                 goto out;
2026
2027         rcode = aac_get_safw_attr_all_targets(dev);
2028         if (unlikely(rcode < 0))
2029                 goto free_ciss_luns;
2030
2031         aac_set_safw_attr_all_targets(dev);
2032
2033         aac_free_safw_all_identify_resp(dev, -1);
2034 free_ciss_luns:
2035         aac_free_safw_ciss_luns(dev);
2036 out:
2037         return rcode;
2038 }
2039
2040 int aac_setup_safw_adapter(struct aac_dev *dev)
2041 {
2042         return aac_setup_safw_targets(dev);
2043 }
2044
2045 int aac_get_adapter_info(struct aac_dev* dev)
2046 {
2047         struct fib* fibptr;
2048         int rcode;
2049         u32 tmp, bus, target;
2050         struct aac_adapter_info *info;
2051         struct aac_bus_info *command;
2052         struct aac_bus_info_response *bus_info;
2053
2054         if (!(fibptr = aac_fib_alloc(dev)))
2055                 return -ENOMEM;
2056
2057         aac_fib_init(fibptr);
2058         info = (struct aac_adapter_info *) fib_data(fibptr);
2059         memset(info,0,sizeof(*info));
2060
2061         rcode = aac_fib_send(RequestAdapterInfo,
2062                          fibptr,
2063                          sizeof(*info),
2064                          FsaNormal,
2065                          -1, 1, /* First `interrupt' command uses special wait */
2066                          NULL,
2067                          NULL);
2068
2069         if (rcode < 0) {
2070                 /* FIB should be freed only after
2071                  * getting the response from the F/W */
2072                 if (rcode != -ERESTARTSYS) {
2073                         aac_fib_complete(fibptr);
2074                         aac_fib_free(fibptr);
2075                 }
2076                 return rcode;
2077         }
2078         memcpy(&dev->adapter_info, info, sizeof(*info));
2079
2080         dev->supplement_adapter_info.virt_device_bus = 0xffff;
2081         if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
2082                 struct aac_supplement_adapter_info * sinfo;
2083
2084                 aac_fib_init(fibptr);
2085
2086                 sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr);
2087
2088                 memset(sinfo,0,sizeof(*sinfo));
2089
2090                 rcode = aac_fib_send(RequestSupplementAdapterInfo,
2091                                  fibptr,
2092                                  sizeof(*sinfo),
2093                                  FsaNormal,
2094                                  1, 1,
2095                                  NULL,
2096                                  NULL);
2097
2098                 if (rcode >= 0)
2099                         memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo));
2100                 if (rcode == -ERESTARTSYS) {
2101                         fibptr = aac_fib_alloc(dev);
2102                         if (!fibptr)
2103                                 return -ENOMEM;
2104                 }
2105
2106         }
2107
2108         /* reset all previous mapped devices (i.e. for init. after IOP_RESET) */
2109         for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
2110                 for (target = 0; target < AAC_MAX_TARGETS; target++) {
2111                         dev->hba_map[bus][target].devtype = 0;
2112                         dev->hba_map[bus][target].qd_limit = 0;
2113                 }
2114         }
2115
2116         /*
2117          * GetBusInfo
2118          */
2119
2120         aac_fib_init(fibptr);
2121
2122         bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
2123
2124         memset(bus_info, 0, sizeof(*bus_info));
2125
2126         command = (struct aac_bus_info *)bus_info;
2127
2128         command->Command = cpu_to_le32(VM_Ioctl);
2129         command->ObjType = cpu_to_le32(FT_DRIVE);
2130         command->MethodId = cpu_to_le32(1);
2131         command->CtlCmd = cpu_to_le32(GetBusInfo);
2132
2133         rcode = aac_fib_send(ContainerCommand,
2134                          fibptr,
2135                          sizeof (*bus_info),
2136                          FsaNormal,
2137                          1, 1,
2138                          NULL, NULL);
2139
2140         /* reasoned default */
2141         dev->maximum_num_physicals = 16;
2142         if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
2143                 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
2144                 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
2145         }
2146
2147         if (!dev->in_reset) {
2148                 char buffer[16];
2149                 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
2150                 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
2151                         dev->name,
2152                         dev->id,
2153                         tmp>>24,
2154                         (tmp>>16)&0xff,
2155                         tmp&0xff,
2156                         le32_to_cpu(dev->adapter_info.kernelbuild),
2157                         (int)sizeof(dev->supplement_adapter_info.build_date),
2158                         dev->supplement_adapter_info.build_date);
2159                 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
2160                 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
2161                         dev->name, dev->id,
2162                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
2163                         le32_to_cpu(dev->adapter_info.monitorbuild));
2164                 tmp = le32_to_cpu(dev->adapter_info.biosrev);
2165                 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
2166                         dev->name, dev->id,
2167                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
2168                         le32_to_cpu(dev->adapter_info.biosbuild));
2169                 buffer[0] = '\0';
2170                 if (aac_get_serial_number(
2171                   shost_to_class(dev->scsi_host_ptr), buffer))
2172                         printk(KERN_INFO "%s%d: serial %s",
2173                           dev->name, dev->id, buffer);
2174                 if (dev->supplement_adapter_info.vpd_info.tsid[0]) {
2175                         printk(KERN_INFO "%s%d: TSID %.*s\n",
2176                           dev->name, dev->id,
2177                           (int)sizeof(dev->supplement_adapter_info
2178                                                         .vpd_info.tsid),
2179                                 dev->supplement_adapter_info.vpd_info.tsid);
2180                 }
2181                 if (!aac_check_reset || ((aac_check_reset == 1) &&
2182                   (dev->supplement_adapter_info.supported_options2 &
2183                   AAC_OPTION_IGNORE_RESET))) {
2184                         printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
2185                           dev->name, dev->id);
2186                 }
2187         }
2188
2189         dev->cache_protected = 0;
2190         dev->jbod = ((dev->supplement_adapter_info.feature_bits &
2191                 AAC_FEATURE_JBOD) != 0);
2192         dev->nondasd_support = 0;
2193         dev->raid_scsi_mode = 0;
2194         if(dev->adapter_info.options & AAC_OPT_NONDASD)
2195                 dev->nondasd_support = 1;
2196
2197         /*
2198          * If the firmware supports ROMB RAID/SCSI mode and we are currently
2199          * in RAID/SCSI mode, set the flag. For now if in this mode we will
2200          * force nondasd support on. If we decide to allow the non-dasd flag
2201          * additional changes changes will have to be made to support
2202          * RAID/SCSI.  the function aac_scsi_cmd in this module will have to be
2203          * changed to support the new dev->raid_scsi_mode flag instead of
2204          * leaching off of the dev->nondasd_support flag. Also in linit.c the
2205          * function aac_detect will have to be modified where it sets up the
2206          * max number of channels based on the aac->nondasd_support flag only.
2207          */
2208         if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
2209             (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
2210                 dev->nondasd_support = 1;
2211                 dev->raid_scsi_mode = 1;
2212         }
2213         if (dev->raid_scsi_mode != 0)
2214                 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
2215                                 dev->name, dev->id);
2216
2217         if (nondasd != -1)
2218                 dev->nondasd_support = (nondasd!=0);
2219         if (dev->nondasd_support && !dev->in_reset)
2220                 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
2221
2222         if (dma_get_required_mask(&dev->pdev->dev) > DMA_BIT_MASK(32))
2223                 dev->needs_dac = 1;
2224         dev->dac_support = 0;
2225         if ((sizeof(dma_addr_t) > 4) && dev->needs_dac &&
2226             (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) {
2227                 if (!dev->in_reset)
2228                         printk(KERN_INFO "%s%d: 64bit support enabled.\n",
2229                                 dev->name, dev->id);
2230                 dev->dac_support = 1;
2231         }
2232
2233         if(dacmode != -1) {
2234                 dev->dac_support = (dacmode!=0);
2235         }
2236
2237         /* avoid problems with AAC_QUIRK_SCSI_32 controllers */
2238         if (dev->dac_support && (aac_get_driver_ident(dev->cardtype)->quirks
2239                 & AAC_QUIRK_SCSI_32)) {
2240                 dev->nondasd_support = 0;
2241                 dev->jbod = 0;
2242                 expose_physicals = 0;
2243         }
2244
2245         if (dev->dac_support) {
2246                 if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(64))) {
2247                         if (!dev->in_reset)
2248                                 dev_info(&dev->pdev->dev, "64 Bit DAC enabled\n");
2249                 } else if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(32))) {
2250                         dev_info(&dev->pdev->dev, "DMA mask set failed, 64 Bit DAC disabled\n");
2251                         dev->dac_support = 0;
2252                 } else {
2253                         dev_info(&dev->pdev->dev, "No suitable DMA available\n");
2254                         rcode = -ENOMEM;
2255                 }
2256         }
2257         /*
2258          * Deal with configuring for the individualized limits of each packet
2259          * interface.
2260          */
2261         dev->a_ops.adapter_scsi = (dev->dac_support)
2262           ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32)
2263                                 ? aac_scsi_32_64
2264                                 : aac_scsi_64)
2265                                 : aac_scsi_32;
2266         if (dev->raw_io_interface) {
2267                 dev->a_ops.adapter_bounds = (dev->raw_io_64)
2268                                         ? aac_bounds_64
2269                                         : aac_bounds_32;
2270                 dev->a_ops.adapter_read = aac_read_raw_io;
2271                 dev->a_ops.adapter_write = aac_write_raw_io;
2272         } else {
2273                 dev->a_ops.adapter_bounds = aac_bounds_32;
2274                 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
2275                         sizeof(struct aac_fibhdr) -
2276                         sizeof(struct aac_write) + sizeof(struct sgentry)) /
2277                                 sizeof(struct sgentry);
2278                 if (dev->dac_support) {
2279                         dev->a_ops.adapter_read = aac_read_block64;
2280                         dev->a_ops.adapter_write = aac_write_block64;
2281                         /*
2282                          * 38 scatter gather elements
2283                          */
2284                         dev->scsi_host_ptr->sg_tablesize =
2285                                 (dev->max_fib_size -
2286                                 sizeof(struct aac_fibhdr) -
2287                                 sizeof(struct aac_write64) +
2288                                 sizeof(struct sgentry64)) /
2289                                         sizeof(struct sgentry64);
2290                 } else {
2291                         dev->a_ops.adapter_read = aac_read_block;
2292                         dev->a_ops.adapter_write = aac_write_block;
2293                 }
2294                 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
2295                 if (!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
2296                         /*
2297                          * Worst case size that could cause sg overflow when
2298                          * we break up SG elements that are larger than 64KB.
2299                          * Would be nice if we could tell the SCSI layer what
2300                          * the maximum SG element size can be. Worst case is
2301                          * (sg_tablesize-1) 4KB elements with one 64KB
2302                          * element.
2303                          *      32bit -> 468 or 238KB   64bit -> 424 or 212KB
2304                          */
2305                         dev->scsi_host_ptr->max_sectors =
2306                           (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
2307                 }
2308         }
2309         if (!dev->sync_mode && dev->sa_firmware &&
2310                 dev->scsi_host_ptr->sg_tablesize > HBA_MAX_SG_SEPARATE)
2311                 dev->scsi_host_ptr->sg_tablesize = dev->sg_tablesize =
2312                         HBA_MAX_SG_SEPARATE;
2313
2314         /* FIB should be freed only after getting the response from the F/W */
2315         if (rcode != -ERESTARTSYS) {
2316                 aac_fib_complete(fibptr);
2317                 aac_fib_free(fibptr);
2318         }
2319
2320         return rcode;
2321 }
2322
2323
2324 static void io_callback(void *context, struct fib * fibptr)
2325 {
2326         struct aac_dev *dev;
2327         struct aac_read_reply *readreply;
2328         struct scsi_cmnd *scsicmd;
2329         u32 cid;
2330
2331         scsicmd = (struct scsi_cmnd *) context;
2332
2333         if (!aac_valid_context(scsicmd, fibptr))
2334                 return;
2335
2336         dev = fibptr->dev;
2337         cid = scmd_id(scsicmd);
2338
2339         if (nblank(dprintk(x))) {
2340                 u64 lba;
2341                 switch (scsicmd->cmnd[0]) {
2342                 case WRITE_6:
2343                 case READ_6:
2344                         lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
2345                             (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
2346                         break;
2347                 case WRITE_16:
2348                 case READ_16:
2349                         lba = ((u64)scsicmd->cmnd[2] << 56) |
2350                               ((u64)scsicmd->cmnd[3] << 48) |
2351                               ((u64)scsicmd->cmnd[4] << 40) |
2352                               ((u64)scsicmd->cmnd[5] << 32) |
2353                               ((u64)scsicmd->cmnd[6] << 24) |
2354                               (scsicmd->cmnd[7] << 16) |
2355                               (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2356                         break;
2357                 case WRITE_12:
2358                 case READ_12:
2359                         lba = ((u64)scsicmd->cmnd[2] << 24) |
2360                               (scsicmd->cmnd[3] << 16) |
2361                               (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2362                         break;
2363                 default:
2364                         lba = ((u64)scsicmd->cmnd[2] << 24) |
2365                                (scsicmd->cmnd[3] << 16) |
2366                                (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2367                         break;
2368                 }
2369                 printk(KERN_DEBUG
2370                   "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
2371                   smp_processor_id(), (unsigned long long)lba, jiffies);
2372         }
2373
2374         BUG_ON(fibptr == NULL);
2375
2376         scsi_dma_unmap(scsicmd);
2377
2378         readreply = (struct aac_read_reply *)fib_data(fibptr);
2379         switch (le32_to_cpu(readreply->status)) {
2380         case ST_OK:
2381                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2382                         SAM_STAT_GOOD;
2383                 dev->fsa_dev[cid].sense_data.sense_key = NO_SENSE;
2384                 break;
2385         case ST_NOT_READY:
2386                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2387                         SAM_STAT_CHECK_CONDITION;
2388                 set_sense(&dev->fsa_dev[cid].sense_data, NOT_READY,
2389                   SENCODE_BECOMING_READY, ASENCODE_BECOMING_READY, 0, 0);
2390                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2391                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2392                              SCSI_SENSE_BUFFERSIZE));
2393                 break;
2394         case ST_MEDERR:
2395                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2396                         SAM_STAT_CHECK_CONDITION;
2397                 set_sense(&dev->fsa_dev[cid].sense_data, MEDIUM_ERROR,
2398                   SENCODE_UNRECOVERED_READ_ERROR, ASENCODE_NO_SENSE, 0, 0);
2399                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2400                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2401                              SCSI_SENSE_BUFFERSIZE));
2402                 break;
2403         default:
2404 #ifdef AAC_DETAILED_STATUS_INFO
2405                 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
2406                   le32_to_cpu(readreply->status));
2407 #endif
2408                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2409                         SAM_STAT_CHECK_CONDITION;
2410                 set_sense(&dev->fsa_dev[cid].sense_data,
2411                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
2412                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2413                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2414                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2415                              SCSI_SENSE_BUFFERSIZE));
2416                 break;
2417         }
2418         aac_fib_complete(fibptr);
2419
2420         scsicmd->scsi_done(scsicmd);
2421 }
2422
2423 static int aac_read(struct scsi_cmnd * scsicmd)
2424 {
2425         u64 lba;
2426         u32 count;
2427         int status;
2428         struct aac_dev *dev;
2429         struct fib * cmd_fibcontext;
2430         int cid;
2431
2432         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2433         /*
2434          *      Get block address and transfer length
2435          */
2436         switch (scsicmd->cmnd[0]) {
2437         case READ_6:
2438                 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
2439
2440                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
2441                         (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
2442                 count = scsicmd->cmnd[4];
2443
2444                 if (count == 0)
2445                         count = 256;
2446                 break;
2447         case READ_16:
2448                 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
2449
2450                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
2451                         ((u64)scsicmd->cmnd[3] << 48) |
2452                         ((u64)scsicmd->cmnd[4] << 40) |
2453                         ((u64)scsicmd->cmnd[5] << 32) |
2454                         ((u64)scsicmd->cmnd[6] << 24) |
2455                         (scsicmd->cmnd[7] << 16) |
2456                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2457                 count = (scsicmd->cmnd[10] << 24) |
2458                         (scsicmd->cmnd[11] << 16) |
2459                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
2460                 break;
2461         case READ_12:
2462                 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
2463
2464                 lba = ((u64)scsicmd->cmnd[2] << 24) |
2465                         (scsicmd->cmnd[3] << 16) |
2466                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2467                 count = (scsicmd->cmnd[6] << 24) |
2468                         (scsicmd->cmnd[7] << 16) |
2469                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2470                 break;
2471         default:
2472                 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
2473
2474                 lba = ((u64)scsicmd->cmnd[2] << 24) |
2475                         (scsicmd->cmnd[3] << 16) |
2476                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2477                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
2478                 break;
2479         }
2480
2481         if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
2482                 cid = scmd_id(scsicmd);
2483                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
2484                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2485                         SAM_STAT_CHECK_CONDITION;
2486                 set_sense(&dev->fsa_dev[cid].sense_data,
2487                           HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
2488                           ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2489                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2490                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2491                              SCSI_SENSE_BUFFERSIZE));
2492                 scsicmd->scsi_done(scsicmd);
2493                 return 1;
2494         }
2495
2496         dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
2497           smp_processor_id(), (unsigned long long)lba, jiffies));
2498         if (aac_adapter_bounds(dev,scsicmd,lba))
2499                 return 0;
2500         /*
2501          *      Alocate and initialize a Fib
2502          */
2503         cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
2504         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2505         status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
2506
2507         /*
2508          *      Check that the command queued to the controller
2509          */
2510         if (status == -EINPROGRESS)
2511                 return 0;
2512
2513         printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
2514         /*
2515          *      For some reason, the Fib didn't queue, return QUEUE_FULL
2516          */
2517         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
2518         scsicmd->scsi_done(scsicmd);
2519         aac_fib_complete(cmd_fibcontext);
2520         aac_fib_free(cmd_fibcontext);
2521         return 0;
2522 }
2523
2524 static int aac_write(struct scsi_cmnd * scsicmd)
2525 {
2526         u64 lba;
2527         u32 count;
2528         int fua;
2529         int status;
2530         struct aac_dev *dev;
2531         struct fib * cmd_fibcontext;
2532         int cid;
2533
2534         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2535         /*
2536          *      Get block address and transfer length
2537          */
2538         if (scsicmd->cmnd[0] == WRITE_6)        /* 6 byte command */
2539         {
2540                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
2541                 count = scsicmd->cmnd[4];
2542                 if (count == 0)
2543                         count = 256;
2544                 fua = 0;
2545         } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
2546                 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
2547
2548                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
2549                         ((u64)scsicmd->cmnd[3] << 48) |
2550                         ((u64)scsicmd->cmnd[4] << 40) |
2551                         ((u64)scsicmd->cmnd[5] << 32) |
2552                         ((u64)scsicmd->cmnd[6] << 24) |
2553                         (scsicmd->cmnd[7] << 16) |
2554                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2555                 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
2556                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
2557                 fua = scsicmd->cmnd[1] & 0x8;
2558         } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
2559                 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
2560
2561                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
2562                     | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2563                 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
2564                       | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2565                 fua = scsicmd->cmnd[1] & 0x8;
2566         } else {
2567                 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
2568                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2569                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
2570                 fua = scsicmd->cmnd[1] & 0x8;
2571         }
2572
2573         if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
2574                 cid = scmd_id(scsicmd);
2575                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
2576                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2577                         SAM_STAT_CHECK_CONDITION;
2578                 set_sense(&dev->fsa_dev[cid].sense_data,
2579                           HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
2580                           ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2581                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2582                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2583                              SCSI_SENSE_BUFFERSIZE));
2584                 scsicmd->scsi_done(scsicmd);
2585                 return 1;
2586         }
2587
2588         dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
2589           smp_processor_id(), (unsigned long long)lba, jiffies));
2590         if (aac_adapter_bounds(dev,scsicmd,lba))
2591                 return 0;
2592         /*
2593          *      Allocate and initialize a Fib then setup a BlockWrite command
2594          */
2595         cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
2596         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2597         status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
2598
2599         /*
2600          *      Check that the command queued to the controller
2601          */
2602         if (status == -EINPROGRESS)
2603                 return 0;
2604
2605         printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
2606         /*
2607          *      For some reason, the Fib didn't queue, return QUEUE_FULL
2608          */
2609         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
2610         scsicmd->scsi_done(scsicmd);
2611
2612         aac_fib_complete(cmd_fibcontext);
2613         aac_fib_free(cmd_fibcontext);
2614         return 0;
2615 }
2616
2617 static void synchronize_callback(void *context, struct fib *fibptr)
2618 {
2619         struct aac_synchronize_reply *synchronizereply;
2620         struct scsi_cmnd *cmd;
2621
2622         cmd = context;
2623
2624         if (!aac_valid_context(cmd, fibptr))
2625                 return;
2626
2627         dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
2628                                 smp_processor_id(), jiffies));
2629         BUG_ON(fibptr == NULL);
2630
2631
2632         synchronizereply = fib_data(fibptr);
2633         if (le32_to_cpu(synchronizereply->status) == CT_OK)
2634                 cmd->result = DID_OK << 16 |
2635                         COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2636         else {
2637                 struct scsi_device *sdev = cmd->device;
2638                 struct aac_dev *dev = fibptr->dev;
2639                 u32 cid = sdev_id(sdev);
2640                 printk(KERN_WARNING
2641                      "synchronize_callback: synchronize failed, status = %d\n",
2642                      le32_to_cpu(synchronizereply->status));
2643                 cmd->result = DID_OK << 16 |
2644                         COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2645                 set_sense(&dev->fsa_dev[cid].sense_data,
2646                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
2647                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2648                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2649                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2650                              SCSI_SENSE_BUFFERSIZE));
2651         }
2652
2653         aac_fib_complete(fibptr);
2654         aac_fib_free(fibptr);
2655         cmd->scsi_done(cmd);
2656 }
2657
2658 static int aac_synchronize(struct scsi_cmnd *scsicmd)
2659 {
2660         int status;
2661         struct fib *cmd_fibcontext;
2662         struct aac_synchronize *synchronizecmd;
2663         struct scsi_cmnd *cmd;
2664         struct scsi_device *sdev = scsicmd->device;
2665         int active = 0;
2666         struct aac_dev *aac;
2667         u64 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) |
2668                 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2669         u32 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
2670         unsigned long flags;
2671
2672         /*
2673          * Wait for all outstanding queued commands to complete to this
2674          * specific target (block).
2675          */
2676         spin_lock_irqsave(&sdev->list_lock, flags);
2677         list_for_each_entry(cmd, &sdev->cmd_list, list)
2678                 if (cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
2679                         u64 cmnd_lba;
2680                         u32 cmnd_count;
2681
2682                         if (cmd->cmnd[0] == WRITE_6) {
2683                                 cmnd_lba = ((cmd->cmnd[1] & 0x1F) << 16) |
2684                                         (cmd->cmnd[2] << 8) |
2685                                         cmd->cmnd[3];
2686                                 cmnd_count = cmd->cmnd[4];
2687                                 if (cmnd_count == 0)
2688                                         cmnd_count = 256;
2689                         } else if (cmd->cmnd[0] == WRITE_16) {
2690                                 cmnd_lba = ((u64)cmd->cmnd[2] << 56) |
2691                                         ((u64)cmd->cmnd[3] << 48) |
2692                                         ((u64)cmd->cmnd[4] << 40) |
2693                                         ((u64)cmd->cmnd[5] << 32) |
2694                                         ((u64)cmd->cmnd[6] << 24) |
2695                                         (cmd->cmnd[7] << 16) |
2696                                         (cmd->cmnd[8] << 8) |
2697                                         cmd->cmnd[9];
2698                                 cmnd_count = (cmd->cmnd[10] << 24) |
2699                                         (cmd->cmnd[11] << 16) |
2700                                         (cmd->cmnd[12] << 8) |
2701                                         cmd->cmnd[13];
2702                         } else if (cmd->cmnd[0] == WRITE_12) {
2703                                 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
2704                                         (cmd->cmnd[3] << 16) |
2705                                         (cmd->cmnd[4] << 8) |
2706                                         cmd->cmnd[5];
2707                                 cmnd_count = (cmd->cmnd[6] << 24) |
2708                                         (cmd->cmnd[7] << 16) |
2709                                         (cmd->cmnd[8] << 8) |
2710                                         cmd->cmnd[9];
2711                         } else if (cmd->cmnd[0] == WRITE_10) {
2712                                 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
2713                                         (cmd->cmnd[3] << 16) |
2714                                         (cmd->cmnd[4] << 8) |
2715                                         cmd->cmnd[5];
2716                                 cmnd_count = (cmd->cmnd[7] << 8) |
2717                                         cmd->cmnd[8];
2718                         } else
2719                                 continue;
2720                         if (((cmnd_lba + cmnd_count) < lba) ||
2721                           (count && ((lba + count) < cmnd_lba)))
2722                                 continue;
2723                         ++active;
2724                         break;
2725                 }
2726
2727         spin_unlock_irqrestore(&sdev->list_lock, flags);
2728
2729         /*
2730          *      Yield the processor (requeue for later)
2731          */
2732         if (active)
2733                 return SCSI_MLQUEUE_DEVICE_BUSY;
2734
2735         aac = (struct aac_dev *)sdev->host->hostdata;
2736         if (aac->in_reset)
2737                 return SCSI_MLQUEUE_HOST_BUSY;
2738
2739         /*
2740          *      Allocate and initialize a Fib
2741          */
2742         if (!(cmd_fibcontext = aac_fib_alloc(aac)))
2743                 return SCSI_MLQUEUE_HOST_BUSY;
2744
2745         aac_fib_init(cmd_fibcontext);
2746
2747         synchronizecmd = fib_data(cmd_fibcontext);
2748         synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
2749         synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
2750         synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
2751         synchronizecmd->count =
2752              cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
2753         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2754
2755         /*
2756          *      Now send the Fib to the adapter
2757          */
2758         status = aac_fib_send(ContainerCommand,
2759                   cmd_fibcontext,
2760                   sizeof(struct aac_synchronize),
2761                   FsaNormal,
2762                   0, 1,
2763                   (fib_callback)synchronize_callback,
2764                   (void *)scsicmd);
2765
2766         /*
2767          *      Check that the command queued to the controller
2768          */
2769         if (status == -EINPROGRESS)
2770                 return 0;
2771
2772         printk(KERN_WARNING
2773                 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
2774         aac_fib_complete(cmd_fibcontext);
2775         aac_fib_free(cmd_fibcontext);
2776         return SCSI_MLQUEUE_HOST_BUSY;
2777 }
2778
2779 static void aac_start_stop_callback(void *context, struct fib *fibptr)
2780 {
2781         struct scsi_cmnd *scsicmd = context;
2782
2783         if (!aac_valid_context(scsicmd, fibptr))
2784                 return;
2785
2786         BUG_ON(fibptr == NULL);
2787
2788         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2789
2790         aac_fib_complete(fibptr);
2791         aac_fib_free(fibptr);
2792         scsicmd->scsi_done(scsicmd);
2793 }
2794
2795 static int aac_start_stop(struct scsi_cmnd *scsicmd)
2796 {
2797         int status;
2798         struct fib *cmd_fibcontext;
2799         struct aac_power_management *pmcmd;
2800         struct scsi_device *sdev = scsicmd->device;
2801         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
2802
2803         if (!(aac->supplement_adapter_info.supported_options2 &
2804               AAC_OPTION_POWER_MANAGEMENT)) {
2805                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2806                                   SAM_STAT_GOOD;
2807                 scsicmd->scsi_done(scsicmd);
2808                 return 0;
2809         }
2810
2811         if (aac->in_reset)
2812                 return SCSI_MLQUEUE_HOST_BUSY;
2813
2814         /*
2815          *      Allocate and initialize a Fib
2816          */
2817         cmd_fibcontext = aac_fib_alloc_tag(aac, scsicmd);
2818
2819         aac_fib_init(cmd_fibcontext);
2820
2821         pmcmd = fib_data(cmd_fibcontext);
2822         pmcmd->command = cpu_to_le32(VM_ContainerConfig);
2823         pmcmd->type = cpu_to_le32(CT_POWER_MANAGEMENT);
2824         /* Eject bit ignored, not relevant */
2825         pmcmd->sub = (scsicmd->cmnd[4] & 1) ?
2826                 cpu_to_le32(CT_PM_START_UNIT) : cpu_to_le32(CT_PM_STOP_UNIT);
2827         pmcmd->cid = cpu_to_le32(sdev_id(sdev));
2828         pmcmd->parm = (scsicmd->cmnd[1] & 1) ?
2829                 cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0;
2830         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2831
2832         /*
2833          *      Now send the Fib to the adapter
2834          */
2835         status = aac_fib_send(ContainerCommand,
2836                   cmd_fibcontext,
2837                   sizeof(struct aac_power_management),
2838                   FsaNormal,
2839                   0, 1,
2840                   (fib_callback)aac_start_stop_callback,
2841                   (void *)scsicmd);
2842
2843         /*
2844          *      Check that the command queued to the controller
2845          */
2846         if (status == -EINPROGRESS)
2847                 return 0;
2848
2849         aac_fib_complete(cmd_fibcontext);
2850         aac_fib_free(cmd_fibcontext);
2851         return SCSI_MLQUEUE_HOST_BUSY;
2852 }
2853
2854 /**
2855  *      aac_scsi_cmd()          -       Process SCSI command
2856  *      @scsicmd:               SCSI command block
2857  *
2858  *      Emulate a SCSI command and queue the required request for the
2859  *      aacraid firmware.
2860  */
2861
2862 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
2863 {
2864         u32 cid, bus;
2865         struct Scsi_Host *host = scsicmd->device->host;
2866         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
2867         struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
2868
2869         if (fsa_dev_ptr == NULL)
2870                 return -1;
2871         /*
2872          *      If the bus, id or lun is out of range, return fail
2873          *      Test does not apply to ID 16, the pseudo id for the controller
2874          *      itself.
2875          */
2876         cid = scmd_id(scsicmd);
2877         if (cid != host->this_id) {
2878                 if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
2879                         if((cid >= dev->maximum_num_containers) ||
2880                                         (scsicmd->device->lun != 0)) {
2881                                 scsicmd->result = DID_NO_CONNECT << 16;
2882                                 goto scsi_done_ret;
2883                         }
2884
2885                         /*
2886                          *      If the target container doesn't exist, it may have
2887                          *      been newly created
2888                          */
2889                         if (((fsa_dev_ptr[cid].valid & 1) == 0) ||
2890                           (fsa_dev_ptr[cid].sense_data.sense_key ==
2891                            NOT_READY)) {
2892                                 switch (scsicmd->cmnd[0]) {
2893                                 case SERVICE_ACTION_IN_16:
2894                                         if (!(dev->raw_io_interface) ||
2895                                             !(dev->raw_io_64) ||
2896                                             ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2897                                                 break;
2898                                 case INQUIRY:
2899                                 case READ_CAPACITY:
2900                                 case TEST_UNIT_READY:
2901                                         if (dev->in_reset)
2902                                                 return -1;
2903                                         return _aac_probe_container(scsicmd,
2904                                                         aac_probe_container_callback2);
2905                                 default:
2906                                         break;
2907                                 }
2908                         }
2909                 } else {  /* check for physical non-dasd devices */
2910                         bus = aac_logical_to_phys(scmd_channel(scsicmd));
2911
2912                         if (bus < AAC_MAX_BUSES && cid < AAC_MAX_TARGETS &&
2913                                 dev->hba_map[bus][cid].devtype
2914                                         == AAC_DEVTYPE_NATIVE_RAW) {
2915                                 if (dev->in_reset)
2916                                         return -1;
2917                                 return aac_send_hba_fib(scsicmd);
2918                         } else if (dev->nondasd_support || expose_physicals ||
2919                                 dev->jbod) {
2920                                 if (dev->in_reset)
2921                                         return -1;
2922                                 return aac_send_srb_fib(scsicmd);
2923                         } else {
2924                                 scsicmd->result = DID_NO_CONNECT << 16;
2925                                 goto scsi_done_ret;
2926                         }
2927                 }
2928         }
2929         /*
2930          * else Command for the controller itself
2931          */
2932         else if ((scsicmd->cmnd[0] != INQUIRY) &&       /* only INQUIRY & TUR cmnd supported for controller */
2933                 (scsicmd->cmnd[0] != TEST_UNIT_READY))
2934         {
2935                 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
2936                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2937                 set_sense(&dev->fsa_dev[cid].sense_data,
2938                   ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2939                   ASENCODE_INVALID_COMMAND, 0, 0);
2940                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2941                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2942                              SCSI_SENSE_BUFFERSIZE));
2943                 goto scsi_done_ret;
2944         }
2945
2946         switch (scsicmd->cmnd[0]) {
2947         case READ_6:
2948         case READ_10:
2949         case READ_12:
2950         case READ_16:
2951                 if (dev->in_reset)
2952                         return -1;
2953                 return aac_read(scsicmd);
2954
2955         case WRITE_6:
2956         case WRITE_10:
2957         case WRITE_12:
2958         case WRITE_16:
2959                 if (dev->in_reset)
2960                         return -1;
2961                 return aac_write(scsicmd);
2962
2963         case SYNCHRONIZE_CACHE:
2964                 if (((aac_cache & 6) == 6) && dev->cache_protected) {
2965                         scsicmd->result = AAC_STAT_GOOD;
2966                         break;
2967                 }
2968                 /* Issue FIB to tell Firmware to flush it's cache */
2969                 if ((aac_cache & 6) != 2)
2970                         return aac_synchronize(scsicmd);
2971         case INQUIRY:
2972         {
2973                 struct inquiry_data inq_data;
2974
2975                 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
2976                 memset(&inq_data, 0, sizeof (struct inquiry_data));
2977
2978                 if ((scsicmd->cmnd[1] & 0x1) && aac_wwn) {
2979                         char *arr = (char *)&inq_data;
2980
2981                         /* EVPD bit set */
2982                         arr[0] = (scmd_id(scsicmd) == host->this_id) ?
2983                           INQD_PDT_PROC : INQD_PDT_DA;
2984                         if (scsicmd->cmnd[2] == 0) {
2985                                 /* supported vital product data pages */
2986                                 arr[3] = 3;
2987                                 arr[4] = 0x0;
2988                                 arr[5] = 0x80;
2989                                 arr[6] = 0x83;
2990                                 arr[1] = scsicmd->cmnd[2];
2991                                 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2992                                                          sizeof(inq_data));
2993                                 scsicmd->result = AAC_STAT_GOOD;
2994                         } else if (scsicmd->cmnd[2] == 0x80) {
2995                                 /* unit serial number page */
2996                                 arr[3] = setinqserial(dev, &arr[4],
2997                                   scmd_id(scsicmd));
2998                                 arr[1] = scsicmd->cmnd[2];
2999                                 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
3000                                                          sizeof(inq_data));
3001                                 if (aac_wwn != 2)
3002                                         return aac_get_container_serial(
3003                                                 scsicmd);
3004                                 scsicmd->result = AAC_STAT_GOOD;
3005                         } else if (scsicmd->cmnd[2] == 0x83) {
3006                                 /* vpd page 0x83 - Device Identification Page */
3007                                 char *sno = (char *)&inq_data;
3008                                 sno[3] = setinqserial(dev, &sno[4],
3009                                                       scmd_id(scsicmd));
3010                                 if (aac_wwn != 2)
3011                                         return aac_get_container_serial(
3012                                                 scsicmd);
3013                                 scsicmd->result = AAC_STAT_GOOD;
3014                         } else {
3015                                 /* vpd page not implemented */
3016                                 scsicmd->result = DID_OK << 16 |
3017                                   COMMAND_COMPLETE << 8 |
3018                                   SAM_STAT_CHECK_CONDITION;
3019                                 set_sense(&dev->fsa_dev[cid].sense_data,
3020                                   ILLEGAL_REQUEST, SENCODE_INVALID_CDB_FIELD,
3021                                   ASENCODE_NO_SENSE, 7, 2);
3022                                 memcpy(scsicmd->sense_buffer,
3023                                   &dev->fsa_dev[cid].sense_data,
3024                                   min_t(size_t,
3025                                         sizeof(dev->fsa_dev[cid].sense_data),
3026                                         SCSI_SENSE_BUFFERSIZE));
3027                         }
3028                         break;
3029                 }
3030                 inq_data.inqd_ver = 2;  /* claim compliance to SCSI-2 */
3031                 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 */
3032                 inq_data.inqd_len = 31;
3033                 /*Format for "pad2" is  RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
3034                 inq_data.inqd_pad2= 0x32 ;       /*WBus16|Sync|CmdQue */
3035                 /*
3036                  *      Set the Vendor, Product, and Revision Level
3037                  *      see: <vendor>.c i.e. aac.c
3038                  */
3039                 if (cid == host->this_id) {
3040                         setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
3041                         inq_data.inqd_pdt = INQD_PDT_PROC;      /* Processor device */
3042                         scsi_sg_copy_from_buffer(scsicmd, &inq_data,
3043                                                  sizeof(inq_data));
3044                         scsicmd->result = AAC_STAT_GOOD;
3045                         break;
3046                 }
3047                 if (dev->in_reset)
3048                         return -1;
3049                 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
3050                 inq_data.inqd_pdt = INQD_PDT_DA;        /* Direct/random access device */
3051                 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
3052                 return aac_get_container_name(scsicmd);
3053         }
3054         case SERVICE_ACTION_IN_16:
3055                 if (!(dev->raw_io_interface) ||
3056                     !(dev->raw_io_64) ||
3057                     ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
3058                         break;
3059         {
3060                 u64 capacity;
3061                 char cp[13];
3062                 unsigned int alloc_len;
3063
3064                 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
3065                 capacity = fsa_dev_ptr[cid].size - 1;
3066                 cp[0] = (capacity >> 56) & 0xff;
3067                 cp[1] = (capacity >> 48) & 0xff;
3068                 cp[2] = (capacity >> 40) & 0xff;
3069                 cp[3] = (capacity >> 32) & 0xff;
3070                 cp[4] = (capacity >> 24) & 0xff;
3071                 cp[5] = (capacity >> 16) & 0xff;
3072                 cp[6] = (capacity >> 8) & 0xff;
3073                 cp[7] = (capacity >> 0) & 0xff;
3074                 cp[8] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
3075                 cp[9] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
3076                 cp[10] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
3077                 cp[11] = (fsa_dev_ptr[cid].block_size) & 0xff;
3078                 cp[12] = 0;
3079
3080                 alloc_len = ((scsicmd->cmnd[10] << 24)
3081                              + (scsicmd->cmnd[11] << 16)
3082                              + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);
3083
3084                 alloc_len = min_t(size_t, alloc_len, sizeof(cp));
3085                 scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len);
3086                 if (alloc_len < scsi_bufflen(scsicmd))
3087                         scsi_set_resid(scsicmd,
3088                                        scsi_bufflen(scsicmd) - alloc_len);
3089
3090                 /* Do not cache partition table for arrays */
3091                 scsicmd->device->removable = 1;
3092
3093                 scsicmd->result = AAC_STAT_GOOD;
3094                 break;
3095         }
3096
3097         case READ_CAPACITY:
3098         {
3099                 u32 capacity;
3100                 char cp[8];
3101
3102                 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
3103                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
3104                         capacity = fsa_dev_ptr[cid].size - 1;
3105                 else
3106                         capacity = (u32)-1;
3107
3108                 cp[0] = (capacity >> 24) & 0xff;
3109                 cp[1] = (capacity >> 16) & 0xff;
3110                 cp[2] = (capacity >> 8) & 0xff;
3111                 cp[3] = (capacity >> 0) & 0xff;
3112                 cp[4] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
3113                 cp[5] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
3114                 cp[6] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
3115                 cp[7] = (fsa_dev_ptr[cid].block_size) & 0xff;
3116                 scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
3117                 /* Do not cache partition table for arrays */
3118                 scsicmd->device->removable = 1;
3119                 scsicmd->result = AAC_STAT_GOOD;
3120                 break;
3121         }
3122
3123         case MODE_SENSE:
3124         {
3125                 int mode_buf_length = 4;
3126                 u32 capacity;
3127                 aac_modep_data mpd;
3128
3129                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
3130                         capacity = fsa_dev_ptr[cid].size - 1;
3131                 else
3132                         capacity = (u32)-1;
3133
3134                 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
3135                 memset((char *)&mpd, 0, sizeof(aac_modep_data));
3136
3137                 /* Mode data length */
3138                 mpd.hd.data_length = sizeof(mpd.hd) - 1;
3139                 /* Medium type - default */
3140                 mpd.hd.med_type = 0;
3141                 /* Device-specific param,
3142                    bit 8: 0/1 = write enabled/protected
3143                    bit 4: 0/1 = FUA enabled */
3144                 mpd.hd.dev_par = 0;
3145
3146                 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
3147                         mpd.hd.dev_par = 0x10;
3148                 if (scsicmd->cmnd[1] & 0x8)
3149                         mpd.hd.bd_length = 0;   /* Block descriptor length */
3150                 else {
3151                         mpd.hd.bd_length = sizeof(mpd.bd);
3152                         mpd.hd.data_length += mpd.hd.bd_length;
3153                         mpd.bd.block_length[0] =
3154                                 (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
3155                         mpd.bd.block_length[1] =
3156                                 (fsa_dev_ptr[cid].block_size >> 8) &  0xff;
3157                         mpd.bd.block_length[2] =
3158                                 fsa_dev_ptr[cid].block_size  & 0xff;
3159
3160                         mpd.mpc_buf[0] = scsicmd->cmnd[2];
3161                         if (scsicmd->cmnd[2] == 0x1C) {
3162                                 /* page length */
3163                                 mpd.mpc_buf[1] = 0xa;
3164                                 /* Mode data length */
3165                                 mpd.hd.data_length = 23;
3166                         } else {
3167                                 /* Mode data length */
3168                                 mpd.hd.data_length = 15;
3169                         }
3170
3171                         if (capacity > 0xffffff) {
3172                                 mpd.bd.block_count[0] = 0xff;
3173                                 mpd.bd.block_count[1] = 0xff;
3174                                 mpd.bd.block_count[2] = 0xff;
3175                         } else {
3176                                 mpd.bd.block_count[0] = (capacity >> 16) & 0xff;
3177                                 mpd.bd.block_count[1] = (capacity >> 8) & 0xff;
3178                                 mpd.bd.block_count[2] = capacity  & 0xff;
3179                         }
3180                 }
3181                 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
3182                   ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
3183                         mpd.hd.data_length += 3;
3184                         mpd.mpc_buf[0] = 8;
3185                         mpd.mpc_buf[1] = 1;
3186                         mpd.mpc_buf[2] = ((aac_cache & 6) == 2)
3187                                 ? 0 : 0x04; /* WCE */
3188                         mode_buf_length = sizeof(mpd);
3189                 }
3190
3191                 if (mode_buf_length > scsicmd->cmnd[4])
3192                         mode_buf_length = scsicmd->cmnd[4];
3193                 else
3194                         mode_buf_length = sizeof(mpd);
3195                 scsi_sg_copy_from_buffer(scsicmd,
3196                                          (char *)&mpd,
3197                                          mode_buf_length);
3198                 scsicmd->result = AAC_STAT_GOOD;
3199                 break;
3200         }
3201         case MODE_SENSE_10:
3202         {
3203                 u32 capacity;
3204                 int mode_buf_length = 8;
3205                 aac_modep10_data mpd10;
3206
3207                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
3208                         capacity = fsa_dev_ptr[cid].size - 1;
3209                 else
3210                         capacity = (u32)-1;
3211
3212                 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
3213                 memset((char *)&mpd10, 0, sizeof(aac_modep10_data));
3214                 /* Mode data length (MSB) */
3215                 mpd10.hd.data_length[0] = 0;
3216                 /* Mode data length (LSB) */
3217                 mpd10.hd.data_length[1] = sizeof(mpd10.hd) - 1;
3218                 /* Medium type - default */
3219                 mpd10.hd.med_type = 0;
3220                 /* Device-specific param,
3221                    bit 8: 0/1 = write enabled/protected
3222                    bit 4: 0/1 = FUA enabled */
3223                 mpd10.hd.dev_par = 0;
3224
3225                 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
3226                         mpd10.hd.dev_par = 0x10;
3227                 mpd10.hd.rsrvd[0] = 0;  /* reserved */
3228                 mpd10.hd.rsrvd[1] = 0;  /* reserved */
3229                 if (scsicmd->cmnd[1] & 0x8) {
3230                         /* Block descriptor length (MSB) */
3231                         mpd10.hd.bd_length[0] = 0;
3232                         /* Block descriptor length (LSB) */
3233                         mpd10.hd.bd_length[1] = 0;
3234                 } else {
3235                         mpd10.hd.bd_length[0] = 0;
3236                         mpd10.hd.bd_length[1] = sizeof(mpd10.bd);
3237
3238                         mpd10.hd.data_length[1] += mpd10.hd.bd_length[1];
3239
3240                         mpd10.bd.block_length[0] =
3241                                 (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
3242                         mpd10.bd.block_length[1] =
3243                                 (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
3244                         mpd10.bd.block_length[2] =
3245                                 fsa_dev_ptr[cid].block_size  & 0xff;
3246
3247                         if (capacity > 0xffffff) {
3248                                 mpd10.bd.block_count[0] = 0xff;
3249                                 mpd10.bd.block_count[1] = 0xff;
3250                                 mpd10.bd.block_count[2] = 0xff;
3251                         } else {
3252                                 mpd10.bd.block_count[0] =
3253                                         (capacity >> 16) & 0xff;
3254                                 mpd10.bd.block_count[1] =
3255                                         (capacity >> 8) & 0xff;
3256                                 mpd10.bd.block_count[2] =
3257                                         capacity  & 0xff;
3258                         }
3259                 }
3260                 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
3261                   ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
3262                         mpd10.hd.data_length[1] += 3;
3263                         mpd10.mpc_buf[0] = 8;
3264                         mpd10.mpc_buf[1] = 1;
3265                         mpd10.mpc_buf[2] = ((aac_cache & 6) == 2)
3266                                 ? 0 : 0x04; /* WCE */
3267                         mode_buf_length = sizeof(mpd10);
3268                         if (mode_buf_length > scsicmd->cmnd[8])
3269                                 mode_buf_length = scsicmd->cmnd[8];
3270                 }
3271                 scsi_sg_copy_from_buffer(scsicmd,
3272                                          (char *)&mpd10,
3273                                          mode_buf_length);
3274
3275                 scsicmd->result = AAC_STAT_GOOD;
3276                 break;
3277         }
3278         case REQUEST_SENSE:
3279                 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
3280                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
3281                                 sizeof(struct sense_data));
3282                 memset(&dev->fsa_dev[cid].sense_data, 0,
3283                                 sizeof(struct sense_data));
3284                 scsicmd->result = AAC_STAT_GOOD;
3285                 break;
3286
3287         case ALLOW_MEDIUM_REMOVAL:
3288                 dprintk((KERN_DEBUG "LOCK command.\n"));
3289                 if (scsicmd->cmnd[4])
3290                         fsa_dev_ptr[cid].locked = 1;
3291                 else
3292                         fsa_dev_ptr[cid].locked = 0;
3293
3294                 scsicmd->result = AAC_STAT_GOOD;
3295                 break;
3296         /*
3297          *      These commands are all No-Ops
3298          */
3299         case TEST_UNIT_READY:
3300                 if (fsa_dev_ptr[cid].sense_data.sense_key == NOT_READY) {
3301                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
3302                                 SAM_STAT_CHECK_CONDITION;
3303                         set_sense(&dev->fsa_dev[cid].sense_data,
3304                                   NOT_READY, SENCODE_BECOMING_READY,
3305                                   ASENCODE_BECOMING_READY, 0, 0);
3306                         memcpy(scsicmd->sense_buffer,
3307                                &dev->fsa_dev[cid].sense_data,
3308                                min_t(size_t,
3309                                      sizeof(dev->fsa_dev[cid].sense_data),
3310                                      SCSI_SENSE_BUFFERSIZE));
3311                 break;
3312                 }
3313         case RESERVE:
3314         case RELEASE:
3315         case REZERO_UNIT:
3316         case REASSIGN_BLOCKS:
3317         case SEEK_10:
3318                 scsicmd->result = AAC_STAT_GOOD;
3319                 break;
3320
3321         case START_STOP:
3322                 return aac_start_stop(scsicmd);
3323
3324         /* FALLTHRU */
3325         default:
3326         /*
3327          *      Unhandled commands
3328          */
3329                 dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n",
3330                                 scsicmd->cmnd[0]));
3331                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
3332                                 SAM_STAT_CHECK_CONDITION;
3333                 set_sense(&dev->fsa_dev[cid].sense_data,
3334                           ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
3335                           ASENCODE_INVALID_COMMAND, 0, 0);
3336                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
3337                                 min_t(size_t,
3338                                       sizeof(dev->fsa_dev[cid].sense_data),
3339                                       SCSI_SENSE_BUFFERSIZE));
3340         }
3341
3342 scsi_done_ret:
3343
3344         scsicmd->scsi_done(scsicmd);
3345         return 0;
3346 }
3347
3348 static int query_disk(struct aac_dev *dev, void __user *arg)
3349 {
3350         struct aac_query_disk qd;
3351         struct fsa_dev_info *fsa_dev_ptr;
3352
3353         fsa_dev_ptr = dev->fsa_dev;
3354         if (!fsa_dev_ptr)
3355                 return -EBUSY;
3356         if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
3357                 return -EFAULT;
3358         if (qd.cnum == -1) {
3359                 if (qd.id < 0 || qd.id >= dev->maximum_num_containers)
3360                         return -EINVAL;
3361                 qd.cnum = qd.id;
3362         } else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) {
3363                 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
3364                         return -EINVAL;
3365                 qd.instance = dev->scsi_host_ptr->host_no;
3366                 qd.bus = 0;
3367                 qd.id = CONTAINER_TO_ID(qd.cnum);
3368                 qd.lun = CONTAINER_TO_LUN(qd.cnum);
3369         }
3370         else return -EINVAL;
3371
3372         qd.valid = fsa_dev_ptr[qd.cnum].valid != 0;
3373         qd.locked = fsa_dev_ptr[qd.cnum].locked;
3374         qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
3375
3376         if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
3377                 qd.unmapped = 1;
3378         else
3379                 qd.unmapped = 0;
3380
3381         strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
3382           min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
3383
3384         if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
3385                 return -EFAULT;
3386         return 0;
3387 }
3388
3389 static int force_delete_disk(struct aac_dev *dev, void __user *arg)
3390 {
3391         struct aac_delete_disk dd;
3392         struct fsa_dev_info *fsa_dev_ptr;
3393
3394         fsa_dev_ptr = dev->fsa_dev;
3395         if (!fsa_dev_ptr)
3396                 return -EBUSY;
3397
3398         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
3399                 return -EFAULT;
3400
3401         if (dd.cnum >= dev->maximum_num_containers)
3402                 return -EINVAL;
3403         /*
3404          *      Mark this container as being deleted.
3405          */
3406         fsa_dev_ptr[dd.cnum].deleted = 1;
3407         /*
3408          *      Mark the container as no longer valid
3409          */
3410         fsa_dev_ptr[dd.cnum].valid = 0;
3411         return 0;
3412 }
3413
3414 static int delete_disk(struct aac_dev *dev, void __user *arg)
3415 {
3416         struct aac_delete_disk dd;
3417         struct fsa_dev_info *fsa_dev_ptr;
3418
3419         fsa_dev_ptr = dev->fsa_dev;
3420         if (!fsa_dev_ptr)
3421                 return -EBUSY;
3422
3423         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
3424                 return -EFAULT;
3425
3426         if (dd.cnum >= dev->maximum_num_containers)
3427                 return -EINVAL;
3428         /*
3429          *      If the container is locked, it can not be deleted by the API.
3430          */
3431         if (fsa_dev_ptr[dd.cnum].locked)
3432                 return -EBUSY;
3433         else {
3434                 /*
3435                  *      Mark the container as no longer being valid.
3436                  */
3437                 fsa_dev_ptr[dd.cnum].valid = 0;
3438                 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
3439                 return 0;
3440         }
3441 }
3442
3443 int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
3444 {
3445         switch (cmd) {
3446         case FSACTL_QUERY_DISK:
3447                 return query_disk(dev, arg);
3448         case FSACTL_DELETE_DISK:
3449                 return delete_disk(dev, arg);
3450         case FSACTL_FORCE_DELETE_DISK:
3451                 return force_delete_disk(dev, arg);
3452         case FSACTL_GET_CONTAINERS:
3453                 return aac_get_containers(dev);
3454         default:
3455                 return -ENOTTY;
3456         }
3457 }
3458
3459 /**
3460  *
3461  * aac_srb_callback
3462  * @context: the context set in the fib - here it is scsi cmd
3463  * @fibptr: pointer to the fib
3464  *
3465  * Handles the completion of a scsi command to a non dasd device
3466  *
3467  */
3468
3469 static void aac_srb_callback(void *context, struct fib * fibptr)
3470 {
3471         struct aac_dev *dev;
3472         struct aac_srb_reply *srbreply;
3473         struct scsi_cmnd *scsicmd;
3474
3475         scsicmd = (struct scsi_cmnd *) context;
3476
3477         if (!aac_valid_context(scsicmd, fibptr))
3478                 return;
3479
3480         BUG_ON(fibptr == NULL);
3481
3482         dev = fibptr->dev;
3483
3484         srbreply = (struct aac_srb_reply *) fib_data(fibptr);
3485
3486         scsicmd->sense_buffer[0] = '\0';  /* Initialize sense valid flag to false */
3487
3488         if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) {
3489                 /* fast response */
3490                 srbreply->srb_status = cpu_to_le32(SRB_STATUS_SUCCESS);
3491                 srbreply->scsi_status = cpu_to_le32(SAM_STAT_GOOD);
3492         } else {
3493                 /*
3494                  *      Calculate resid for sg
3495                  */
3496                 scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
3497                                    - le32_to_cpu(srbreply->data_xfer_length));
3498         }
3499
3500
3501         scsi_dma_unmap(scsicmd);
3502
3503         /* expose physical device if expose_physicald flag is on */
3504         if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01)
3505           && expose_physicals > 0)
3506                 aac_expose_phy_device(scsicmd);
3507
3508         /*
3509          * First check the fib status
3510          */
3511
3512         if (le32_to_cpu(srbreply->status) != ST_OK) {
3513                 int len;
3514
3515                 pr_warn("aac_srb_callback: srb failed, status = %d\n",
3516                                 le32_to_cpu(srbreply->status));
3517                 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
3518                             SCSI_SENSE_BUFFERSIZE);
3519                 scsicmd->result = DID_ERROR << 16
3520                                 | COMMAND_COMPLETE << 8
3521                                 | SAM_STAT_CHECK_CONDITION;
3522                 memcpy(scsicmd->sense_buffer,
3523                                 srbreply->sense_data, len);
3524         }
3525
3526         /*
3527          * Next check the srb status
3528          */
3529         switch ((le32_to_cpu(srbreply->srb_status))&0x3f) {
3530         case SRB_STATUS_ERROR_RECOVERY:
3531         case SRB_STATUS_PENDING:
3532         case SRB_STATUS_SUCCESS:
3533                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
3534                 break;
3535         case SRB_STATUS_DATA_OVERRUN:
3536                 switch (scsicmd->cmnd[0]) {
3537                 case  READ_6:
3538                 case  WRITE_6:
3539                 case  READ_10:
3540                 case  WRITE_10:
3541                 case  READ_12:
3542                 case  WRITE_12:
3543                 case  READ_16:
3544                 case  WRITE_16:
3545                         if (le32_to_cpu(srbreply->data_xfer_length)
3546                                                 < scsicmd->underflow)
3547                                 pr_warn("aacraid: SCSI CMD underflow\n");
3548                         else
3549                                 pr_warn("aacraid: SCSI CMD Data Overrun\n");
3550                         scsicmd->result = DID_ERROR << 16
3551                                         | COMMAND_COMPLETE << 8;
3552                         break;
3553                 case INQUIRY:
3554                         scsicmd->result = DID_OK << 16
3555                                         | COMMAND_COMPLETE << 8;
3556                         break;
3557                 default:
3558                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
3559                         break;
3560                 }
3561                 break;
3562         case SRB_STATUS_ABORTED:
3563                 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
3564                 break;
3565         case SRB_STATUS_ABORT_FAILED:
3566                 /*
3567                  * Not sure about this one - but assuming the
3568                  * hba was trying to abort for some reason
3569                  */
3570                 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
3571                 break;
3572         case SRB_STATUS_PARITY_ERROR:
3573                 scsicmd->result = DID_PARITY << 16
3574                                 | MSG_PARITY_ERROR << 8;
3575                 break;
3576         case SRB_STATUS_NO_DEVICE:
3577         case SRB_STATUS_INVALID_PATH_ID:
3578         case SRB_STATUS_INVALID_TARGET_ID:
3579         case SRB_STATUS_INVALID_LUN:
3580         case SRB_STATUS_SELECTION_TIMEOUT:
3581                 scsicmd->result = DID_NO_CONNECT << 16
3582                                 | COMMAND_COMPLETE << 8;
3583                 break;
3584
3585         case SRB_STATUS_COMMAND_TIMEOUT:
3586         case SRB_STATUS_TIMEOUT:
3587                 scsicmd->result = DID_TIME_OUT << 16
3588                                 | COMMAND_COMPLETE << 8;
3589                 break;
3590
3591         case SRB_STATUS_BUSY:
3592                 scsicmd->result = DID_BUS_BUSY << 16
3593                                 | COMMAND_COMPLETE << 8;
3594                 break;
3595
3596         case SRB_STATUS_BUS_RESET:
3597                 scsicmd->result = DID_RESET << 16
3598                                 | COMMAND_COMPLETE << 8;
3599                 break;
3600
3601         case SRB_STATUS_MESSAGE_REJECTED:
3602                 scsicmd->result = DID_ERROR << 16
3603                                 | MESSAGE_REJECT << 8;
3604                 break;
3605         case SRB_STATUS_REQUEST_FLUSHED:
3606         case SRB_STATUS_ERROR:
3607         case SRB_STATUS_INVALID_REQUEST:
3608         case SRB_STATUS_REQUEST_SENSE_FAILED:
3609         case SRB_STATUS_NO_HBA:
3610         case SRB_STATUS_UNEXPECTED_BUS_FREE:
3611         case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
3612         case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
3613         case SRB_STATUS_DELAYED_RETRY:
3614         case SRB_STATUS_BAD_FUNCTION:
3615         case SRB_STATUS_NOT_STARTED:
3616         case SRB_STATUS_NOT_IN_USE:
3617         case SRB_STATUS_FORCE_ABORT:
3618         case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
3619         default:
3620 #ifdef AAC_DETAILED_STATUS_INFO
3621                 pr_info("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x -scsi status 0x%x\n",
3622                         le32_to_cpu(srbreply->srb_status) & 0x3F,
3623                         aac_get_status_string(
3624                                 le32_to_cpu(srbreply->srb_status) & 0x3F),
3625                         scsicmd->cmnd[0],
3626                         le32_to_cpu(srbreply->scsi_status));
3627 #endif
3628                 /*
3629                  * When the CC bit is SET by the host in ATA pass thru CDB,
3630                  *  driver is supposed to return DID_OK
3631                  *
3632                  * When the CC bit is RESET by the host, driver should
3633                  *  return DID_ERROR
3634                  */
3635                 if ((scsicmd->cmnd[0] == ATA_12)
3636                         || (scsicmd->cmnd[0] == ATA_16)) {
3637
3638                         if (scsicmd->cmnd[2] & (0x01 << 5)) {
3639                                 scsicmd->result = DID_OK << 16
3640                                         | COMMAND_COMPLETE << 8;
3641                         break;
3642                         } else {
3643                                 scsicmd->result = DID_ERROR << 16
3644                                         | COMMAND_COMPLETE << 8;
3645                         break;
3646                         }
3647                 } else {
3648                         scsicmd->result = DID_ERROR << 16
3649                                 | COMMAND_COMPLETE << 8;
3650                         break;
3651                 }
3652         }
3653         if (le32_to_cpu(srbreply->scsi_status)
3654                         == SAM_STAT_CHECK_CONDITION) {
3655                 int len;
3656
3657                 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
3658                 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
3659                             SCSI_SENSE_BUFFERSIZE);
3660 #ifdef AAC_DETAILED_STATUS_INFO
3661                 pr_warn("aac_srb_callback: check condition, status = %d len=%d\n",
3662                                         le32_to_cpu(srbreply->status), len);
3663 #endif
3664                 memcpy(scsicmd->sense_buffer,
3665                                 srbreply->sense_data, len);
3666         }
3667
3668         /*
3669          * OR in the scsi status (already shifted up a bit)
3670          */
3671         scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
3672
3673         aac_fib_complete(fibptr);
3674         scsicmd->scsi_done(scsicmd);
3675 }
3676
3677 static void hba_resp_task_complete(struct aac_dev *dev,
3678                                         struct scsi_cmnd *scsicmd,
3679                                         struct aac_hba_resp *err) {
3680
3681         scsicmd->result = err->status;
3682         /* set residual count */
3683         scsi_set_resid(scsicmd, le32_to_cpu(err->residual_count));
3684
3685         switch (err->status) {
3686         case SAM_STAT_GOOD:
3687                 scsicmd->result |= DID_OK << 16 | COMMAND_COMPLETE << 8;
3688                 break;
3689         case SAM_STAT_CHECK_CONDITION:
3690         {
3691                 int len;
3692
3693                 len = min_t(u8, err->sense_response_data_len,
3694                         SCSI_SENSE_BUFFERSIZE);
3695                 if (len)
3696                         memcpy(scsicmd->sense_buffer,
3697                                 err->sense_response_buf, len);
3698                 scsicmd->result |= DID_OK << 16 | COMMAND_COMPLETE << 8;
3699                 break;
3700         }
3701         case SAM_STAT_BUSY:
3702                 scsicmd->result |= DID_BUS_BUSY << 16 | COMMAND_COMPLETE << 8;
3703                 break;
3704         case SAM_STAT_TASK_ABORTED:
3705                 scsicmd->result |= DID_ABORT << 16 | ABORT << 8;
3706                 break;
3707         case SAM_STAT_RESERVATION_CONFLICT:
3708         case SAM_STAT_TASK_SET_FULL:
3709         default:
3710                 scsicmd->result |= DID_ERROR << 16 | COMMAND_COMPLETE << 8;
3711                 break;
3712         }
3713 }
3714
3715 static void hba_resp_task_failure(struct aac_dev *dev,
3716                                         struct scsi_cmnd *scsicmd,
3717                                         struct aac_hba_resp *err)
3718 {
3719         switch (err->status) {
3720         case HBA_RESP_STAT_HBAMODE_DISABLED:
3721         {
3722                 u32 bus, cid;
3723
3724                 bus = aac_logical_to_phys(scmd_channel(scsicmd));
3725                 cid = scmd_id(scsicmd);
3726                 if (dev->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
3727                         dev->hba_map[bus][cid].devtype = AAC_DEVTYPE_ARC_RAW;
3728                         dev->hba_map[bus][cid].rmw_nexus = 0xffffffff;
3729                 }
3730                 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
3731                 break;
3732         }
3733         case HBA_RESP_STAT_IO_ERROR:
3734         case HBA_RESP_STAT_NO_PATH_TO_DEVICE:
3735                 scsicmd->result = DID_OK << 16 |
3736                         COMMAND_COMPLETE << 8 | SAM_STAT_BUSY;
3737                 break;
3738         case HBA_RESP_STAT_IO_ABORTED:
3739                 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
3740                 break;
3741         case HBA_RESP_STAT_INVALID_DEVICE:
3742                 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
3743                 break;
3744         case HBA_RESP_STAT_UNDERRUN:
3745                 /* UNDERRUN is OK */
3746                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
3747                 break;
3748         case HBA_RESP_STAT_OVERRUN:
3749         default:
3750                 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
3751                 break;
3752         }
3753 }
3754
3755 /**
3756  *
3757  * aac_hba_callback
3758  * @context: the context set in the fib - here it is scsi cmd
3759  * @fibptr: pointer to the fib
3760  *
3761  * Handles the completion of a native HBA scsi command
3762  *
3763  */
3764 void aac_hba_callback(void *context, struct fib *fibptr)
3765 {
3766         struct aac_dev *dev;
3767         struct scsi_cmnd *scsicmd;
3768
3769         struct aac_hba_resp *err =
3770                         &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
3771
3772         scsicmd = (struct scsi_cmnd *) context;
3773
3774         if (!aac_valid_context(scsicmd, fibptr))
3775                 return;
3776
3777         WARN_ON(fibptr == NULL);
3778         dev = fibptr->dev;
3779
3780         if (!(fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA_TMF))
3781                 scsi_dma_unmap(scsicmd);
3782
3783         if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) {
3784                 /* fast response */
3785                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
3786                 goto out;
3787         }
3788
3789         switch (err->service_response) {
3790         case HBA_RESP_SVCRES_TASK_COMPLETE:
3791                 hba_resp_task_complete(dev, scsicmd, err);
3792                 break;
3793         case HBA_RESP_SVCRES_FAILURE:
3794                 hba_resp_task_failure(dev, scsicmd, err);
3795                 break;
3796         case HBA_RESP_SVCRES_TMF_REJECTED:
3797                 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
3798                 break;
3799         case HBA_RESP_SVCRES_TMF_LUN_INVALID:
3800                 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
3801                 break;
3802         case HBA_RESP_SVCRES_TMF_COMPLETE:
3803         case HBA_RESP_SVCRES_TMF_SUCCEEDED:
3804                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
3805                 break;
3806         default:
3807                 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
3808                 break;
3809         }
3810
3811 out:
3812         aac_fib_complete(fibptr);
3813
3814         if (fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA_TMF)
3815                 scsicmd->SCp.sent_command = 1;
3816         else
3817                 scsicmd->scsi_done(scsicmd);
3818 }
3819
3820 /**
3821  *
3822  * aac_send_srb_fib
3823  * @scsicmd: the scsi command block
3824  *
3825  * This routine will form a FIB and fill in the aac_srb from the
3826  * scsicmd passed in.
3827  */
3828
3829 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
3830 {
3831         struct fib* cmd_fibcontext;
3832         struct aac_dev* dev;
3833         int status;
3834
3835         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
3836         if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
3837                         scsicmd->device->lun > 7) {
3838                 scsicmd->result = DID_NO_CONNECT << 16;
3839                 scsicmd->scsi_done(scsicmd);
3840                 return 0;
3841         }
3842
3843         /*
3844          *      Allocate and initialize a Fib then setup a BlockWrite command
3845          */
3846         cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
3847         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
3848         status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
3849
3850         /*
3851          *      Check that the command queued to the controller
3852          */
3853         if (status == -EINPROGRESS)
3854                 return 0;
3855
3856         printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
3857         aac_fib_complete(cmd_fibcontext);
3858         aac_fib_free(cmd_fibcontext);
3859
3860         return -1;
3861 }
3862
3863 /**
3864  *
3865  * aac_send_hba_fib
3866  * @scsicmd: the scsi command block
3867  *
3868  * This routine will form a FIB and fill in the aac_hba_cmd_req from the
3869  * scsicmd passed in.
3870  */
3871 static int aac_send_hba_fib(struct scsi_cmnd *scsicmd)
3872 {
3873         struct fib *cmd_fibcontext;
3874         struct aac_dev *dev;
3875         int status;
3876
3877         dev = shost_priv(scsicmd->device->host);
3878         if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
3879                         scsicmd->device->lun > AAC_MAX_LUN - 1) {
3880                 scsicmd->result = DID_NO_CONNECT << 16;
3881                 scsicmd->scsi_done(scsicmd);
3882                 return 0;
3883         }
3884
3885         /*
3886          *      Allocate and initialize a Fib then setup a BlockWrite command
3887          */
3888         cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
3889         if (!cmd_fibcontext)
3890                 return -1;
3891
3892         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
3893         status = aac_adapter_hba(cmd_fibcontext, scsicmd);
3894
3895         /*
3896          *      Check that the command queued to the controller
3897          */
3898         if (status == -EINPROGRESS)
3899                 return 0;
3900
3901         pr_warn("aac_hba_cmd_req: aac_fib_send failed with status: %d\n",
3902                 status);
3903         aac_fib_complete(cmd_fibcontext);
3904         aac_fib_free(cmd_fibcontext);
3905
3906         return -1;
3907 }
3908
3909
3910 static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *psg)
3911 {
3912         struct aac_dev *dev;
3913         unsigned long byte_count = 0;
3914         int nseg;
3915         struct scatterlist *sg;
3916         int i;
3917
3918         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
3919         // Get rid of old data
3920         psg->count = 0;
3921         psg->sg[0].addr = 0;
3922         psg->sg[0].count = 0;
3923
3924         nseg = scsi_dma_map(scsicmd);
3925         if (nseg <= 0)
3926                 return nseg;
3927
3928         psg->count = cpu_to_le32(nseg);
3929
3930         scsi_for_each_sg(scsicmd, sg, nseg, i) {
3931                 psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
3932                 psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
3933                 byte_count += sg_dma_len(sg);
3934         }
3935         /* hba wants the size to be exact */
3936         if (byte_count > scsi_bufflen(scsicmd)) {
3937                 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3938                         (byte_count - scsi_bufflen(scsicmd));
3939                 psg->sg[i-1].count = cpu_to_le32(temp);
3940                 byte_count = scsi_bufflen(scsicmd);
3941         }
3942         /* Check for command underflow */
3943         if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
3944                 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3945                        byte_count, scsicmd->underflow);
3946         }
3947
3948         return byte_count;
3949 }
3950
3951
3952 static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg)
3953 {
3954         struct aac_dev *dev;
3955         unsigned long byte_count = 0;
3956         u64 addr;
3957         int nseg;
3958         struct scatterlist *sg;
3959         int i;
3960
3961         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
3962         // Get rid of old data
3963         psg->count = 0;
3964         psg->sg[0].addr[0] = 0;
3965         psg->sg[0].addr[1] = 0;
3966         psg->sg[0].count = 0;
3967
3968         nseg = scsi_dma_map(scsicmd);
3969         if (nseg <= 0)
3970                 return nseg;
3971
3972         scsi_for_each_sg(scsicmd, sg, nseg, i) {
3973                 int count = sg_dma_len(sg);
3974                 addr = sg_dma_address(sg);
3975                 psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
3976                 psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
3977                 psg->sg[i].count = cpu_to_le32(count);
3978                 byte_count += count;
3979         }
3980         psg->count = cpu_to_le32(nseg);
3981         /* hba wants the size to be exact */
3982         if (byte_count > scsi_bufflen(scsicmd)) {
3983                 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3984                         (byte_count - scsi_bufflen(scsicmd));
3985                 psg->sg[i-1].count = cpu_to_le32(temp);
3986                 byte_count = scsi_bufflen(scsicmd);
3987         }
3988         /* Check for command underflow */
3989         if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
3990                 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3991                        byte_count, scsicmd->underflow);
3992         }
3993
3994         return byte_count;
3995 }
3996
3997 static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg)
3998 {
3999         unsigned long byte_count = 0;
4000         int nseg;
4001         struct scatterlist *sg;
4002         int i;
4003
4004         // Get rid of old data
4005         psg->count = 0;
4006         psg->sg[0].next = 0;
4007         psg->sg[0].prev = 0;
4008         psg->sg[0].addr[0] = 0;
4009         psg->sg[0].addr[1] = 0;
4010         psg->sg[0].count = 0;
4011         psg->sg[0].flags = 0;
4012
4013         nseg = scsi_dma_map(scsicmd);
4014         if (nseg <= 0)
4015                 return nseg;
4016
4017         scsi_for_each_sg(scsicmd, sg, nseg, i) {
4018                 int count = sg_dma_len(sg);
4019                 u64 addr = sg_dma_address(sg);
4020                 psg->sg[i].next = 0;
4021                 psg->sg[i].prev = 0;
4022                 psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
4023                 psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
4024                 psg->sg[i].count = cpu_to_le32(count);
4025                 psg->sg[i].flags = 0;
4026                 byte_count += count;
4027         }
4028         psg->count = cpu_to_le32(nseg);
4029         /* hba wants the size to be exact */
4030         if (byte_count > scsi_bufflen(scsicmd)) {
4031                 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
4032                         (byte_count - scsi_bufflen(scsicmd));
4033                 psg->sg[i-1].count = cpu_to_le32(temp);
4034                 byte_count = scsi_bufflen(scsicmd);
4035         }
4036         /* Check for command underflow */
4037         if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
4038                 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
4039                        byte_count, scsicmd->underflow);
4040         }
4041
4042         return byte_count;
4043 }
4044
4045 static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
4046                                 struct aac_raw_io2 *rio2, int sg_max)
4047 {
4048         unsigned long byte_count = 0;
4049         int nseg;
4050         struct scatterlist *sg;
4051         int i, conformable = 0;
4052         u32 min_size = PAGE_SIZE, cur_size;
4053
4054         nseg = scsi_dma_map(scsicmd);
4055         if (nseg <= 0)
4056                 return nseg;
4057
4058         scsi_for_each_sg(scsicmd, sg, nseg, i) {
4059                 int count = sg_dma_len(sg);
4060                 u64 addr = sg_dma_address(sg);
4061
4062                 BUG_ON(i >= sg_max);
4063                 rio2->sge[i].addrHigh = cpu_to_le32((u32)(addr>>32));
4064                 rio2->sge[i].addrLow = cpu_to_le32((u32)(addr & 0xffffffff));
4065                 cur_size = cpu_to_le32(count);
4066                 rio2->sge[i].length = cur_size;
4067                 rio2->sge[i].flags = 0;
4068                 if (i == 0) {
4069                         conformable = 1;
4070                         rio2->sgeFirstSize = cur_size;
4071                 } else if (i == 1) {
4072                         rio2->sgeNominalSize = cur_size;
4073                         min_size = cur_size;
4074                 } else if ((i+1) < nseg && cur_size != rio2->sgeNominalSize) {
4075                         conformable = 0;
4076                         if (cur_size < min_size)
4077                                 min_size = cur_size;
4078                 }
4079                 byte_count += count;
4080         }
4081
4082         /* hba wants the size to be exact */
4083         if (byte_count > scsi_bufflen(scsicmd)) {
4084                 u32 temp = le32_to_cpu(rio2->sge[i-1].length) -
4085                         (byte_count - scsi_bufflen(scsicmd));
4086                 rio2->sge[i-1].length = cpu_to_le32(temp);
4087                 byte_count = scsi_bufflen(scsicmd);
4088         }
4089
4090         rio2->sgeCnt = cpu_to_le32(nseg);
4091         rio2->flags |= cpu_to_le16(RIO2_SG_FORMAT_IEEE1212);
4092         /* not conformable: evaluate required sg elements */
4093         if (!conformable) {
4094                 int j, nseg_new = nseg, err_found;
4095                 for (i = min_size / PAGE_SIZE; i >= 1; --i) {
4096                         err_found = 0;
4097                         nseg_new = 2;
4098                         for (j = 1; j < nseg - 1; ++j) {
4099                                 if (rio2->sge[j].length % (i*PAGE_SIZE)) {
4100                                         err_found = 1;
4101                                         break;
4102                                 }
4103                                 nseg_new += (rio2->sge[j].length / (i*PAGE_SIZE));
4104                         }
4105                         if (!err_found)
4106                                 break;
4107                 }
4108                 if (i > 0 && nseg_new <= sg_max) {
4109                         int ret = aac_convert_sgraw2(rio2, i, nseg, nseg_new);
4110
4111                         if (ret < 0)
4112                                 return ret;
4113                 }
4114         } else
4115                 rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
4116
4117         /* Check for command underflow */
4118         if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
4119                 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
4120                        byte_count, scsicmd->underflow);
4121         }
4122
4123         return byte_count;
4124 }
4125
4126 static int aac_convert_sgraw2(struct aac_raw_io2 *rio2, int pages, int nseg, int nseg_new)
4127 {
4128         struct sge_ieee1212 *sge;
4129         int i, j, pos;
4130         u32 addr_low;
4131
4132         if (aac_convert_sgl == 0)
4133                 return 0;
4134
4135         sge = kmalloc_array(nseg_new, sizeof(struct sge_ieee1212), GFP_ATOMIC);
4136         if (sge == NULL)
4137                 return -ENOMEM;
4138
4139         for (i = 1, pos = 1; i < nseg-1; ++i) {
4140                 for (j = 0; j < rio2->sge[i].length / (pages * PAGE_SIZE); ++j) {
4141                         addr_low = rio2->sge[i].addrLow + j * pages * PAGE_SIZE;
4142                         sge[pos].addrLow = addr_low;
4143                         sge[pos].addrHigh = rio2->sge[i].addrHigh;
4144                         if (addr_low < rio2->sge[i].addrLow)
4145                                 sge[pos].addrHigh++;
4146                         sge[pos].length = pages * PAGE_SIZE;
4147                         sge[pos].flags = 0;
4148                         pos++;
4149                 }
4150         }
4151         sge[pos] = rio2->sge[nseg-1];
4152         memcpy(&rio2->sge[1], &sge[1], (nseg_new-1)*sizeof(struct sge_ieee1212));
4153
4154         kfree(sge);
4155         rio2->sgeCnt = cpu_to_le32(nseg_new);
4156         rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
4157         rio2->sgeNominalSize = pages * PAGE_SIZE;
4158         return 0;
4159 }
4160
4161 static long aac_build_sghba(struct scsi_cmnd *scsicmd,
4162                         struct aac_hba_cmd_req *hbacmd,
4163                         int sg_max,
4164                         u64 sg_address)
4165 {
4166         unsigned long byte_count = 0;
4167         int nseg;
4168         struct scatterlist *sg;
4169         int i;
4170         u32 cur_size;
4171         struct aac_hba_sgl *sge;
4172
4173         nseg = scsi_dma_map(scsicmd);
4174         if (nseg <= 0) {
4175                 byte_count = nseg;
4176                 goto out;
4177         }
4178
4179         if (nseg > HBA_MAX_SG_EMBEDDED)
4180                 sge = &hbacmd->sge[2];
4181         else
4182                 sge = &hbacmd->sge[0];
4183
4184         scsi_for_each_sg(scsicmd, sg, nseg, i) {
4185                 int count = sg_dma_len(sg);
4186                 u64 addr = sg_dma_address(sg);
4187
4188                 WARN_ON(i >= sg_max);
4189                 sge->addr_hi = cpu_to_le32((u32)(addr>>32));
4190                 sge->addr_lo = cpu_to_le32((u32)(addr & 0xffffffff));
4191                 cur_size = cpu_to_le32(count);
4192                 sge->len = cur_size;
4193                 sge->flags = 0;
4194                 byte_count += count;
4195                 sge++;
4196         }
4197
4198         sge--;
4199         /* hba wants the size to be exact */
4200         if (byte_count > scsi_bufflen(scsicmd)) {
4201                 u32 temp;
4202
4203                 temp = le32_to_cpu(sge->len) - byte_count
4204                                                 - scsi_bufflen(scsicmd);
4205                 sge->len = cpu_to_le32(temp);
4206                 byte_count = scsi_bufflen(scsicmd);
4207         }
4208
4209         if (nseg <= HBA_MAX_SG_EMBEDDED) {
4210                 hbacmd->emb_data_desc_count = cpu_to_le32(nseg);
4211                 sge->flags = cpu_to_le32(0x40000000);
4212         } else {
4213                 /* not embedded */
4214                 hbacmd->sge[0].flags = cpu_to_le32(0x80000000);
4215                 hbacmd->emb_data_desc_count = (u8)cpu_to_le32(1);
4216                 hbacmd->sge[0].addr_hi = (u32)cpu_to_le32(sg_address >> 32);
4217                 hbacmd->sge[0].addr_lo =
4218                         cpu_to_le32((u32)(sg_address & 0xffffffff));
4219         }
4220
4221         /* Check for command underflow */
4222         if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
4223                 pr_warn("aacraid: cmd len %08lX cmd underflow %08X\n",
4224                                 byte_count, scsicmd->underflow);
4225         }
4226 out:
4227         return byte_count;
4228 }
4229
4230 #ifdef AAC_DETAILED_STATUS_INFO
4231
4232 struct aac_srb_status_info {
4233         u32     status;
4234         char    *str;
4235 };
4236
4237
4238 static struct aac_srb_status_info srb_status_info[] = {
4239         { SRB_STATUS_PENDING,           "Pending Status"},
4240         { SRB_STATUS_SUCCESS,           "Success"},
4241         { SRB_STATUS_ABORTED,           "Aborted Command"},
4242         { SRB_STATUS_ABORT_FAILED,      "Abort Failed"},
4243         { SRB_STATUS_ERROR,             "Error Event"},
4244         { SRB_STATUS_BUSY,              "Device Busy"},
4245         { SRB_STATUS_INVALID_REQUEST,   "Invalid Request"},
4246         { SRB_STATUS_INVALID_PATH_ID,   "Invalid Path ID"},
4247         { SRB_STATUS_NO_DEVICE,         "No Device"},
4248         { SRB_STATUS_TIMEOUT,           "Timeout"},
4249         { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
4250         { SRB_STATUS_COMMAND_TIMEOUT,   "Command Timeout"},
4251         { SRB_STATUS_MESSAGE_REJECTED,  "Message Rejected"},
4252         { SRB_STATUS_BUS_RESET,         "Bus Reset"},
4253         { SRB_STATUS_PARITY_ERROR,      "Parity Error"},
4254         { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
4255         { SRB_STATUS_NO_HBA,            "No HBA"},
4256         { SRB_STATUS_DATA_OVERRUN,      "Data Overrun/Data Underrun"},
4257         { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
4258         { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
4259         { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
4260         { SRB_STATUS_REQUEST_FLUSHED,   "Request Flushed"},
4261         { SRB_STATUS_DELAYED_RETRY,     "Delayed Retry"},
4262         { SRB_STATUS_INVALID_LUN,       "Invalid LUN"},
4263         { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
4264         { SRB_STATUS_BAD_FUNCTION,      "Bad Function"},
4265         { SRB_STATUS_ERROR_RECOVERY,    "Error Recovery"},
4266         { SRB_STATUS_NOT_STARTED,       "Not Started"},
4267         { SRB_STATUS_NOT_IN_USE,        "Not In Use"},
4268         { SRB_STATUS_FORCE_ABORT,       "Force Abort"},
4269         { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
4270         { 0xff,                         "Unknown Error"}
4271 };
4272
4273 char *aac_get_status_string(u32 status)
4274 {
4275         int i;
4276
4277         for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
4278                 if (srb_status_info[i].status == status)
4279                         return srb_status_info[i].str;
4280
4281         return "Bad Status Code";
4282 }
4283
4284 #endif