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