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 (!(fibptr->dev->supplement_adapter_info.supported_options2 &
 703             AAC_OPTION_VARIABLE_BLOCK_SIZE))
 704                 dresp->mnt[0].capacityhigh = 0;
 705         if ((le32_to_cpu(dresp->status) != ST_OK) ||
 706             (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
 707                 _aac_probe_container2(context, fibptr);
 708                 return;
 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                 char *cp = sup_adap_info->adapter_type_text;
 917                 int c;
 918                 if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C'))
 919                         inqstrcpy("SMC", str->vid);
 920                 else {
 921                         c = sizeof(str->vid);
 922                         while (*cp && *cp != ' ' && --c)
 923                                 ++cp;
 924                         c = *cp;
 925                         *cp = '\0';
 926                         inqstrcpy(sup_adap_info->adapter_type_text, str->vid);
 927                         *cp = c;
 928                         while (*cp && *cp != ' ')
 929                                 ++cp;
 930                 }
 931                 while (*cp == ' ')
 932                         ++cp;
 933                 /* last six chars reserved for vol type */
 934                 c = 0;
 935                 if (strlen(cp) > sizeof(str->pid)) {
 936                         c = cp[sizeof(str->pid)];
 937                         cp[sizeof(str->pid)] = '\0';
 938                 }
 939                 inqstrcpy (cp, str->pid);
 940                 if (c)
 941                         cp[sizeof(str->pid)] = c;
 942         } else {
 943                 struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
 944
 945                 inqstrcpy (mp->vname, str->vid);
 946                 /* last six chars reserved for vol type */
 947                 inqstrcpy (mp->model, str->pid);
 948         }
 949
 950         if (tindex < ARRAY_SIZE(container_types)){
 951                 char *findit = str->pid;
 952
 953                 for ( ; *findit != ' '; findit++); /* walk till we find a space */
 954                 /* RAID is superfluous in the context of a RAID device */
 955                 if (memcmp(findit-4, "RAID", 4) == 0)
 956                         *(findit -= 4) = ' ';
 957                 if (((findit - str->pid) + strlen(container_types[tindex]))
 958                  < (sizeof(str->pid) + sizeof(str->prl)))
 959                         inqstrcpy (container_types[tindex], findit + 1);
 960         }
 961         inqstrcpy ("V1.0", str->prl);
 962 }
 963
 964 static void build_vpd83_type3(struct tvpd_page83 *vpdpage83data,
 965                 struct aac_dev *dev, struct scsi_cmnd *scsicmd)
 966 {
 967         int container;
 968
 969         vpdpage83data->type3.codeset = 1;
 970         vpdpage83data->type3.identifiertype = 3;
 971         vpdpage83data->type3.identifierlength = sizeof(vpdpage83data->type3)
 972                         - 4;
 973
 974         for (container = 0; container < dev->maximum_num_containers;
 975                         container++) {
 976
 977                 if (scmd_id(scsicmd) == container) {
 978                         memcpy(vpdpage83data->type3.Identifier,
 979                                         dev->fsa_dev[container].identifier,
 980                                         16);
 981                         break;
 982                 }
 983         }
 984 }
 985
 986 static void get_container_serial_callback(void *context, struct fib * fibptr)
 987 {
 988         struct aac_get_serial_resp * get_serial_reply;
 989         struct scsi_cmnd * scsicmd;
 990
 991         BUG_ON(fibptr == NULL);
 992
 993         scsicmd = (struct scsi_cmnd *) context;
 994         if (!aac_valid_context(scsicmd, fibptr))
 995                 return;
 996
 997         get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr);
 998         /* Failure is irrelevant, using default value instead */
 999         if (le32_to_cpu(get_serial_reply->status) == CT_OK) {
1000                 /*Check to see if it's for VPD 0x83 or 0x80 */
1001                 if (scsicmd->cmnd[2] == 0x83) {
1002                         /* vpd page 0x83 - Device Identification Page */
1003                         struct aac_dev *dev;
1004                         int i;
1005                         struct tvpd_page83 vpdpage83data;
1006
1007                         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1008
1009                         memset(((u8 *)&vpdpage83data), 0,
1010                                sizeof(vpdpage83data));
1011
1012                         /* DIRECT_ACCESS_DEVIC */
1013                         vpdpage83data.DeviceType = 0;
1014                         /* DEVICE_CONNECTED */
1015                         vpdpage83data.DeviceTypeQualifier = 0;
1016                         /* VPD_DEVICE_IDENTIFIERS */
1017                         vpdpage83data.PageCode = 0x83;
1018                         vpdpage83data.reserved = 0;
1019                         vpdpage83data.PageLength =
1020                                 sizeof(vpdpage83data.type1) +
1021                                 sizeof(vpdpage83data.type2);
1022
1023                         /* VPD 83 Type 3 is not supported for ARC */
1024                         if (dev->sa_firmware)
1025                                 vpdpage83data.PageLength +=
1026                                 sizeof(vpdpage83data.type3);
1027
1028                         /* T10 Vendor Identifier Field Format */
1029                         /* VpdcodesetAscii */
1030                         vpdpage83data.type1.codeset = 2;
1031                         /* VpdIdentifierTypeVendorId */
1032                         vpdpage83data.type1.identifiertype = 1;
1033                         vpdpage83data.type1.identifierlength =
1034                                 sizeof(vpdpage83data.type1) - 4;
1035
1036                         /* "ADAPTEC " for adaptec */
1037                         memcpy(vpdpage83data.type1.venid,
1038                                 "ADAPTEC ",
1039                                 sizeof(vpdpage83data.type1.venid));
1040                         memcpy(vpdpage83data.type1.productid,
1041                                 "ARRAY           ",
1042                                 sizeof(
1043                                 vpdpage83data.type1.productid));
1044
1045                         /* Convert to ascii based serial number.
1046                          * The LSB is the the end.
1047                          */
1048                         for (i = 0; i < 8; i++) {
1049                                 u8 temp =
1050                                         (u8)((get_serial_reply->uid >> ((7 - i) * 4)) & 0xF);
1051                                 if (temp  > 0x9) {
1052                                         vpdpage83data.type1.serialnumber[i] =
1053                                                         'A' + (temp - 0xA);
1054                                 } else {
1055                                         vpdpage83data.type1.serialnumber[i] =
1056                                                         '0' + temp;
1057                                 }
1058                         }
1059
1060                         /* VpdCodeSetBinary */
1061                         vpdpage83data.type2.codeset = 1;
1062                         /* VpdidentifiertypeEUI64 */
1063                         vpdpage83data.type2.identifiertype = 2;
1064                         vpdpage83data.type2.identifierlength =
1065                                 sizeof(vpdpage83data.type2) - 4;
1066
1067                         vpdpage83data.type2.eu64id.venid[0] = 0xD0;
1068                         vpdpage83data.type2.eu64id.venid[1] = 0;
1069                         vpdpage83data.type2.eu64id.venid[2] = 0;
1070
1071                         vpdpage83data.type2.eu64id.Serial =
1072                                                         get_serial_reply->uid;
1073                         vpdpage83data.type2.eu64id.reserved = 0;
1074
1075                         /*
1076                          * VpdIdentifierTypeFCPHName
1077                          * VPD 0x83 Type 3 not supported for ARC
1078                          */
1079                         if (dev->sa_firmware) {
1080                                 build_vpd83_type3(&vpdpage83data,
1081                                                 dev, scsicmd);
1082                         }
1083
1084                         /* Move the inquiry data to the response buffer. */
1085                         scsi_sg_copy_from_buffer(scsicmd, &vpdpage83data,
1086                                                  sizeof(vpdpage83data));
1087                 } else {
1088                         /* It must be for VPD 0x80 */
1089                         char sp[13];
1090                         /* EVPD bit set */
1091                         sp[0] = INQD_PDT_DA;
1092                         sp[1] = scsicmd->cmnd[2];
1093                         sp[2] = 0;
1094                         sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
1095                                 le32_to_cpu(get_serial_reply->uid));
1096                         scsi_sg_copy_from_buffer(scsicmd, sp,
1097                                                  sizeof(sp));
1098                 }
1099         }
1100
1101         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1102
1103         aac_fib_complete(fibptr);
1104         scsicmd->scsi_done(scsicmd);
1105 }
1106
1107 /**
1108  *      aac_get_container_serial - get container serial, none blocking.
1109  */
1110 static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
1111 {
1112         int status;
1113         struct aac_get_serial *dinfo;
1114         struct fib * cmd_fibcontext;
1115         struct aac_dev * dev;
1116
1117         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1118
1119         cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
1120
1121         aac_fib_init(cmd_fibcontext);
1122         dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext);
1123
1124         dinfo->command = cpu_to_le32(VM_ContainerConfig);
1125         dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID);
1126         dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
1127         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1128
1129         status = aac_fib_send(ContainerCommand,
1130                   cmd_fibcontext,
1131                   sizeof(struct aac_get_serial_resp),
1132                   FsaNormal,
1133                   0, 1,
1134                   (fib_callback) get_container_serial_callback,
1135                   (void *) scsicmd);
1136
1137         /*
1138          *      Check that the command queued to the controller
1139          */
1140         if (status == -EINPROGRESS)
1141                 return 0;
1142
1143         printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status);
1144         aac_fib_complete(cmd_fibcontext);
1145         return -1;
1146 }
1147
1148 /* Function: setinqserial
1149  *
1150  * Arguments: [1] pointer to void [1] int
1151  *
1152  * Purpose: Sets SCSI Unit Serial number.
1153  *          This is a fake. We should read a proper
1154  *          serial number from the container. <SuSE>But
1155  *          without docs it's quite hard to do it :-)
1156  *          So this will have to do in the meantime.</SuSE>
1157  */
1158
1159 static int setinqserial(struct aac_dev *dev, void *data, int cid)
1160 {
1161         /*
1162          *      This breaks array migration.
1163          */
1164         return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X",
1165                         le32_to_cpu(dev->adapter_info.serial[0]), cid);
1166 }
1167
1168 static inline void set_sense(struct sense_data *sense_data, u8 sense_key,
1169         u8 sense_code, u8 a_sense_code, u8 bit_pointer, u16 field_pointer)
1170 {
1171         u8 *sense_buf = (u8 *)sense_data;
1172         /* Sense data valid, err code 70h */
1173         sense_buf[0] = 0x70; /* No info field */
1174         sense_buf[1] = 0;       /* Segment number, always zero */
1175
1176         sense_buf[2] = sense_key;       /* Sense key */
1177
1178         sense_buf[12] = sense_code;     /* Additional sense code */
1179         sense_buf[13] = a_sense_code;   /* Additional sense code qualifier */
1180
1181         if (sense_key == ILLEGAL_REQUEST) {
1182                 sense_buf[7] = 10;      /* Additional sense length */
1183
1184                 sense_buf[15] = bit_pointer;
1185                 /* Illegal parameter is in the parameter block */
1186                 if (sense_code == SENCODE_INVALID_CDB_FIELD)
1187                         sense_buf[15] |= 0xc0;/* Std sense key specific field */
1188                 /* Illegal parameter is in the CDB block */
1189                 sense_buf[16] = field_pointer >> 8;     /* MSB */
1190                 sense_buf[17] = field_pointer;          /* LSB */
1191         } else
1192                 sense_buf[7] = 6;       /* Additional sense length */
1193 }
1194
1195 static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
1196 {
1197         if (lba & 0xffffffff00000000LL) {
1198                 int cid = scmd_id(cmd);
1199                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
1200                 cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1201                         SAM_STAT_CHECK_CONDITION;
1202                 set_sense(&dev->fsa_dev[cid].sense_data,
1203                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1204                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1205                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1206                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1207                              SCSI_SENSE_BUFFERSIZE));
1208                 cmd->scsi_done(cmd);
1209                 return 1;
1210         }
1211         return 0;
1212 }
1213
1214 static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
1215 {
1216         return 0;
1217 }
1218
1219 static void io_callback(void *context, struct fib * fibptr);
1220
1221 static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1222 {
1223         struct aac_dev *dev = fib->dev;
1224         u16 fibsize, command;
1225         long ret;
1226
1227         aac_fib_init(fib);
1228         if ((dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 ||
1229                 dev->comm_interface == AAC_COMM_MESSAGE_TYPE3) &&
1230                 !dev->sync_mode) {
1231                 struct aac_raw_io2 *readcmd2;
1232                 readcmd2 = (struct aac_raw_io2 *) fib_data(fib);
1233                 memset(readcmd2, 0, sizeof(struct aac_raw_io2));
1234                 readcmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
1235                 readcmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1236                 readcmd2->byteCount = cpu_to_le32(count *
1237                         dev->fsa_dev[scmd_id(cmd)].block_size);
1238                 readcmd2->cid = cpu_to_le16(scmd_id(cmd));
1239                 readcmd2->flags = cpu_to_le16(RIO2_IO_TYPE_READ);
1240                 ret = aac_build_sgraw2(cmd, readcmd2,
1241                                 dev->scsi_host_ptr->sg_tablesize);
1242                 if (ret < 0)
1243                         return ret;
1244                 command = ContainerRawIo2;
1245                 fibsize = sizeof(struct aac_raw_io2) +
1246                         ((le32_to_cpu(readcmd2->sgeCnt)-1) * sizeof(struct sge_ieee1212));
1247         } else {
1248                 struct aac_raw_io *readcmd;
1249                 readcmd = (struct aac_raw_io *) fib_data(fib);
1250                 readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1251                 readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1252                 readcmd->count = cpu_to_le32(count *
1253                         dev->fsa_dev[scmd_id(cmd)].block_size);
1254                 readcmd->cid = cpu_to_le16(scmd_id(cmd));
1255                 readcmd->flags = cpu_to_le16(RIO_TYPE_READ);
1256                 readcmd->bpTotal = 0;
1257                 readcmd->bpComplete = 0;
1258                 ret = aac_build_sgraw(cmd, &readcmd->sg);
1259                 if (ret < 0)
1260                         return ret;
1261                 command = ContainerRawIo;
1262                 fibsize = sizeof(struct aac_raw_io) +
1263                         ((le32_to_cpu(readcmd->sg.count)-1) * sizeof(struct sgentryraw));
1264         }
1265
1266         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1267         /*
1268          *      Now send the Fib to the adapter
1269          */
1270         return aac_fib_send(command,
1271                           fib,
1272                           fibsize,
1273                           FsaNormal,
1274                           0, 1,
1275                           (fib_callback) io_callback,
1276                           (void *) cmd);
1277 }
1278
1279 static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1280 {
1281         u16 fibsize;
1282         struct aac_read64 *readcmd;
1283         long ret;
1284
1285         aac_fib_init(fib);
1286         readcmd = (struct aac_read64 *) fib_data(fib);
1287         readcmd->command = cpu_to_le32(VM_CtHostRead64);
1288         readcmd->cid = cpu_to_le16(scmd_id(cmd));
1289         readcmd->sector_count = cpu_to_le16(count);
1290         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1291         readcmd->pad   = 0;
1292         readcmd->flags = 0;
1293
1294         ret = aac_build_sg64(cmd, &readcmd->sg);
1295         if (ret < 0)
1296                 return ret;
1297         fibsize = sizeof(struct aac_read64) +
1298                 ((le32_to_cpu(readcmd->sg.count) - 1) *
1299                  sizeof (struct sgentry64));
1300         BUG_ON (fibsize > (fib->dev->max_fib_size -
1301                                 sizeof(struct aac_fibhdr)));
1302         /*
1303          *      Now send the Fib to the adapter
1304          */
1305         return aac_fib_send(ContainerCommand64,
1306                           fib,
1307                           fibsize,
1308                           FsaNormal,
1309                           0, 1,
1310                           (fib_callback) io_callback,
1311                           (void *) cmd);
1312 }
1313
1314 static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1315 {
1316         u16 fibsize;
1317         struct aac_read *readcmd;
1318         struct aac_dev *dev = fib->dev;
1319         long ret;
1320
1321         aac_fib_init(fib);
1322         readcmd = (struct aac_read *) fib_data(fib);
1323         readcmd->command = cpu_to_le32(VM_CtBlockRead);
1324         readcmd->cid = cpu_to_le32(scmd_id(cmd));
1325         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1326         readcmd->count = cpu_to_le32(count *
1327                 dev->fsa_dev[scmd_id(cmd)].block_size);
1328
1329         ret = aac_build_sg(cmd, &readcmd->sg);
1330         if (ret < 0)
1331                 return ret;
1332         fibsize = sizeof(struct aac_read) +
1333                         ((le32_to_cpu(readcmd->sg.count) - 1) *
1334                          sizeof (struct sgentry));
1335         BUG_ON (fibsize > (fib->dev->max_fib_size -
1336                                 sizeof(struct aac_fibhdr)));
1337         /*
1338          *      Now send the Fib to the adapter
1339          */
1340         return aac_fib_send(ContainerCommand,
1341                           fib,
1342                           fibsize,
1343                           FsaNormal,
1344                           0, 1,
1345                           (fib_callback) io_callback,
1346                           (void *) cmd);
1347 }
1348
1349 static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1350 {
1351         struct aac_dev *dev = fib->dev;
1352         u16 fibsize, command;
1353         long ret;
1354
1355         aac_fib_init(fib);
1356         if ((dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 ||
1357                 dev->comm_interface == AAC_COMM_MESSAGE_TYPE3) &&
1358                 !dev->sync_mode) {
1359                 struct aac_raw_io2 *writecmd2;
1360                 writecmd2 = (struct aac_raw_io2 *) fib_data(fib);
1361                 memset(writecmd2, 0, sizeof(struct aac_raw_io2));
1362                 writecmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
1363                 writecmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1364                 writecmd2->byteCount = cpu_to_le32(count *
1365                         dev->fsa_dev[scmd_id(cmd)].block_size);
1366                 writecmd2->cid = cpu_to_le16(scmd_id(cmd));
1367                 writecmd2->flags = (fua && ((aac_cache & 5) != 1) &&
1368                                                    (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1369                         cpu_to_le16(RIO2_IO_TYPE_WRITE|RIO2_IO_SUREWRITE) :
1370                         cpu_to_le16(RIO2_IO_TYPE_WRITE);
1371                 ret = aac_build_sgraw2(cmd, writecmd2,
1372                                 dev->scsi_host_ptr->sg_tablesize);
1373                 if (ret < 0)
1374                         return ret;
1375                 command = ContainerRawIo2;
1376                 fibsize = sizeof(struct aac_raw_io2) +
1377                         ((le32_to_cpu(writecmd2->sgeCnt)-1) * sizeof(struct sge_ieee1212));
1378         } else {
1379                 struct aac_raw_io *writecmd;
1380                 writecmd = (struct aac_raw_io *) fib_data(fib);
1381                 writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1382                 writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1383                 writecmd->count = cpu_to_le32(count *
1384                         dev->fsa_dev[scmd_id(cmd)].block_size);
1385                 writecmd->cid = cpu_to_le16(scmd_id(cmd));
1386                 writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
1387                                                    (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1388                         cpu_to_le16(RIO_TYPE_WRITE|RIO_SUREWRITE) :
1389                         cpu_to_le16(RIO_TYPE_WRITE);
1390                 writecmd->bpTotal = 0;
1391                 writecmd->bpComplete = 0;
1392                 ret = aac_build_sgraw(cmd, &writecmd->sg);
1393                 if (ret < 0)
1394                         return ret;
1395                 command = ContainerRawIo;
1396                 fibsize = sizeof(struct aac_raw_io) +
1397                         ((le32_to_cpu(writecmd->sg.count)-1) * sizeof (struct sgentryraw));
1398         }
1399
1400         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1401         /*
1402          *      Now send the Fib to the adapter
1403          */
1404         return aac_fib_send(command,
1405                           fib,
1406                           fibsize,
1407                           FsaNormal,
1408                           0, 1,
1409                           (fib_callback) io_callback,
1410                           (void *) cmd);
1411 }
1412
1413 static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1414 {
1415         u16 fibsize;
1416         struct aac_write64 *writecmd;
1417         long ret;
1418
1419         aac_fib_init(fib);
1420         writecmd = (struct aac_write64 *) fib_data(fib);
1421         writecmd->command = cpu_to_le32(VM_CtHostWrite64);
1422         writecmd->cid = cpu_to_le16(scmd_id(cmd));
1423         writecmd->sector_count = cpu_to_le16(count);
1424         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1425         writecmd->pad   = 0;
1426         writecmd->flags = 0;
1427
1428         ret = aac_build_sg64(cmd, &writecmd->sg);
1429         if (ret < 0)
1430                 return ret;
1431         fibsize = sizeof(struct aac_write64) +
1432                 ((le32_to_cpu(writecmd->sg.count) - 1) *
1433                  sizeof (struct sgentry64));
1434         BUG_ON (fibsize > (fib->dev->max_fib_size -
1435                                 sizeof(struct aac_fibhdr)));
1436         /*
1437          *      Now send the Fib to the adapter
1438          */
1439         return aac_fib_send(ContainerCommand64,
1440                           fib,
1441                           fibsize,
1442                           FsaNormal,
1443                           0, 1,
1444                           (fib_callback) io_callback,
1445                           (void *) cmd);
1446 }
1447
1448 static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1449 {
1450         u16 fibsize;
1451         struct aac_write *writecmd;
1452         struct aac_dev *dev = fib->dev;
1453         long ret;
1454
1455         aac_fib_init(fib);
1456         writecmd = (struct aac_write *) fib_data(fib);
1457         writecmd->command = cpu_to_le32(VM_CtBlockWrite);
1458         writecmd->cid = cpu_to_le32(scmd_id(cmd));
1459         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1460         writecmd->count = cpu_to_le32(count *
1461                 dev->fsa_dev[scmd_id(cmd)].block_size);
1462         writecmd->sg.count = cpu_to_le32(1);
1463         /* ->stable is not used - it did mean which type of write */
1464
1465         ret = aac_build_sg(cmd, &writecmd->sg);
1466         if (ret < 0)
1467                 return ret;
1468         fibsize = sizeof(struct aac_write) +
1469                 ((le32_to_cpu(writecmd->sg.count) - 1) *
1470                  sizeof (struct sgentry));
1471         BUG_ON (fibsize > (fib->dev->max_fib_size -
1472                                 sizeof(struct aac_fibhdr)));
1473         /*
1474          *      Now send the Fib to the adapter
1475          */
1476         return aac_fib_send(ContainerCommand,
1477                           fib,
1478                           fibsize,
1479                           FsaNormal,
1480                           0, 1,
1481                           (fib_callback) io_callback,
1482                           (void *) cmd);
1483 }
1484
1485 static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
1486 {
1487         struct aac_srb * srbcmd;
1488         u32 flag;
1489         u32 timeout;
1490
1491         aac_fib_init(fib);
1492         switch(cmd->sc_data_direction){
1493         case DMA_TO_DEVICE:
1494                 flag = SRB_DataOut;
1495                 break;
1496         case DMA_BIDIRECTIONAL:
1497                 flag = SRB_DataIn | SRB_DataOut;
1498                 break;
1499         case DMA_FROM_DEVICE:
1500                 flag = SRB_DataIn;
1501                 break;
1502         case DMA_NONE:
1503         default:        /* shuts up some versions of gcc */
1504                 flag = SRB_NoDataXfer;
1505                 break;
1506         }
1507
1508         srbcmd = (struct aac_srb*) fib_data(fib);
1509         srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1510         srbcmd->channel  = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1511         srbcmd->id       = cpu_to_le32(scmd_id(cmd));
1512         srbcmd->lun      = cpu_to_le32(cmd->device->lun);
1513         srbcmd->flags    = cpu_to_le32(flag);
1514         timeout = cmd->request->timeout/HZ;
1515         if (timeout == 0)
1516                 timeout = 1;
1517         srbcmd->timeout  = cpu_to_le32(timeout);  // timeout in seconds
1518         srbcmd->retry_limit = 0; /* Obsolete parameter */
1519         srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1520         return srbcmd;
1521 }
1522
1523 static struct aac_hba_cmd_req *aac_construct_hbacmd(struct fib *fib,
1524                                                         struct scsi_cmnd *cmd)
1525 {
1526         struct aac_hba_cmd_req *hbacmd;
1527         struct aac_dev *dev;
1528         int bus, target;
1529         u64 address;
1530
1531         dev = (struct aac_dev *)cmd->device->host->hostdata;
1532
1533         hbacmd = (struct aac_hba_cmd_req *)fib->hw_fib_va;
1534         memset(hbacmd, 0, 96);  /* sizeof(*hbacmd) is not necessary */
1535         /* iu_type is a parameter of aac_hba_send */
1536         switch (cmd->sc_data_direction) {
1537         case DMA_TO_DEVICE:
1538                 hbacmd->byte1 = 2;
1539                 break;
1540         case DMA_FROM_DEVICE:
1541         case DMA_BIDIRECTIONAL:
1542                 hbacmd->byte1 = 1;
1543                 break;
1544         case DMA_NONE:
1545         default:
1546                 break;
1547         }
1548         hbacmd->lun[1] = cpu_to_le32(cmd->device->lun);
1549
1550         bus = aac_logical_to_phys(scmd_channel(cmd));
1551         target = scmd_id(cmd);
1552         hbacmd->it_nexus = dev->hba_map[bus][target].rmw_nexus;
1553
1554         /* we fill in reply_qid later in aac_src_deliver_message */
1555         /* we fill in iu_type, request_id later in aac_hba_send */
1556         /* we fill in emb_data_desc_count later in aac_build_sghba */
1557
1558         memcpy(hbacmd->cdb, cmd->cmnd, cmd->cmd_len);
1559         hbacmd->data_length = cpu_to_le32(scsi_bufflen(cmd));
1560
1561         address = (u64)fib->hw_error_pa;
1562         hbacmd->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
1563         hbacmd->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
1564         hbacmd->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
1565
1566         return hbacmd;
1567 }
1568
1569 static void aac_srb_callback(void *context, struct fib * fibptr);
1570
1571 static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1572 {
1573         u16 fibsize;
1574         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1575         long ret;
1576
1577         ret = aac_build_sg64(cmd, (struct sgmap64 *) &srbcmd->sg);
1578         if (ret < 0)
1579                 return ret;
1580         srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1581
1582         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1583         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1584         /*
1585          *      Build Scatter/Gather list
1586          */
1587         fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1588                 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1589                  sizeof (struct sgentry64));
1590         BUG_ON (fibsize > (fib->dev->max_fib_size -
1591                                 sizeof(struct aac_fibhdr)));
1592
1593         /*
1594          *      Now send the Fib to the adapter
1595          */
1596         return aac_fib_send(ScsiPortCommand64, fib,
1597                                 fibsize, FsaNormal, 0, 1,
1598                                   (fib_callback) aac_srb_callback,
1599                                   (void *) cmd);
1600 }
1601
1602 static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1603 {
1604         u16 fibsize;
1605         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1606         long ret;
1607
1608         ret = aac_build_sg(cmd, (struct sgmap *)&srbcmd->sg);
1609         if (ret < 0)
1610                 return ret;
1611         srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1612
1613         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1614         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1615         /*
1616          *      Build Scatter/Gather list
1617          */
1618         fibsize = sizeof (struct aac_srb) +
1619                 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1620                  sizeof (struct sgentry));
1621         BUG_ON (fibsize > (fib->dev->max_fib_size -
1622                                 sizeof(struct aac_fibhdr)));
1623
1624         /*
1625          *      Now send the Fib to the adapter
1626          */
1627         return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1628                                   (fib_callback) aac_srb_callback, (void *) cmd);
1629 }
1630
1631 static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd)
1632 {
1633         if ((sizeof(dma_addr_t) > 4) && fib->dev->needs_dac &&
1634             (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64))
1635                 return FAILED;
1636         return aac_scsi_32(fib, cmd);
1637 }
1638
1639 static int aac_adapter_hba(struct fib *fib, struct scsi_cmnd *cmd)
1640 {
1641         struct aac_hba_cmd_req *hbacmd = aac_construct_hbacmd(fib, cmd);
1642         struct aac_dev *dev;
1643         long ret;
1644
1645         dev = (struct aac_dev *)cmd->device->host->hostdata;
1646
1647         ret = aac_build_sghba(cmd, hbacmd,
1648                 dev->scsi_host_ptr->sg_tablesize, (u64)fib->hw_sgl_pa);
1649         if (ret < 0)
1650                 return ret;
1651
1652         /*
1653          *      Now send the HBA command to the adapter
1654          */
1655         fib->hbacmd_size = 64 + le32_to_cpu(hbacmd->emb_data_desc_count) *
1656                 sizeof(struct aac_hba_sgl);
1657
1658         return aac_hba_send(HBA_IU_TYPE_SCSI_CMD_REQ, fib,
1659                                   (fib_callback) aac_hba_callback,
1660                                   (void *) cmd);
1661 }
1662
1663 int aac_issue_bmic_identify(struct aac_dev *dev, u32 bus, u32 target)
1664 {
1665         struct fib *fibptr;
1666         struct aac_srb *srbcmd;
1667         struct sgmap64 *sg64;
1668         struct aac_ciss_identify_pd *identify_resp;
1669         dma_addr_t addr;
1670         u32 vbus, vid;
1671         u16 fibsize, datasize;
1672         int rcode = -ENOMEM;
1673
1674
1675         fibptr = aac_fib_alloc(dev);
1676         if (!fibptr)
1677                 goto out;
1678
1679         fibsize = sizeof(struct aac_srb) -
1680                         sizeof(struct sgentry) + sizeof(struct sgentry64);
1681         datasize = sizeof(struct aac_ciss_identify_pd);
1682
1683         identify_resp = dma_alloc_coherent(&dev->pdev->dev, datasize, &addr,
1684                                            GFP_KERNEL);
1685         if (!identify_resp)
1686                 goto fib_free_ptr;
1687
1688         vbus = (u32)le16_to_cpu(dev->supplement_adapter_info.virt_device_bus);
1689         vid = (u32)le16_to_cpu(dev->supplement_adapter_info.virt_device_target);
1690
1691         aac_fib_init(fibptr);
1692
1693         srbcmd = (struct aac_srb *) fib_data(fibptr);
1694         srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1695         srbcmd->channel  = cpu_to_le32(vbus);
1696         srbcmd->id       = cpu_to_le32(vid);
1697         srbcmd->lun      = 0;
1698         srbcmd->flags    = cpu_to_le32(SRB_DataIn);
1699         srbcmd->timeout  = cpu_to_le32(10);
1700         srbcmd->retry_limit = 0;
1701         srbcmd->cdb_size = cpu_to_le32(12);
1702         srbcmd->count = cpu_to_le32(datasize);
1703
1704         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1705         srbcmd->cdb[0] = 0x26;
1706         srbcmd->cdb[2] = (u8)((AAC_MAX_LUN + target) & 0x00FF);
1707         srbcmd->cdb[6] = CISS_IDENTIFY_PHYSICAL_DEVICE;
1708
1709         sg64 = (struct sgmap64 *)&srbcmd->sg;
1710         sg64->count = cpu_to_le32(1);
1711         sg64->sg[0].addr[1] = cpu_to_le32((u32)(((addr) >> 16) >> 16));
1712         sg64->sg[0].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
1713         sg64->sg[0].count = cpu_to_le32(datasize);
1714
1715         rcode = aac_fib_send(ScsiPortCommand64,
1716                 fibptr, fibsize, FsaNormal, 1, 1, NULL, NULL);
1717
1718         if (identify_resp->current_queue_depth_limit <= 0 ||
1719                 identify_resp->current_queue_depth_limit > 32)
1720                 dev->hba_map[bus][target].qd_limit = 32;
1721         else
1722                 dev->hba_map[bus][target].qd_limit =
1723                         identify_resp->current_queue_depth_limit;
1724
1725         dma_free_coherent(&dev->pdev->dev, datasize, identify_resp, addr);
1726
1727         aac_fib_complete(fibptr);
1728
1729 fib_free_ptr:
1730         aac_fib_free(fibptr);
1731 out:
1732         return rcode;
1733 }
1734
1735 /**
1736  *      aac_update hba_map()-   update current hba map with data from FW
1737  *      @dev:   aac_dev structure
1738  *      @phys_luns: FW information from report phys luns
1739  *
1740  *      Update our hba map with the information gathered from the FW
1741  */
1742 void aac_update_hba_map(struct aac_dev *dev,
1743                 struct aac_ciss_phys_luns_resp *phys_luns, int rescan)
1744 {
1745         /* ok and extended reporting */
1746         u32 lun_count, nexus;
1747         u32 i, bus, target;
1748         u8 expose_flag, attribs;
1749         u8 devtype;
1750
1751         lun_count = ((phys_luns->list_length[0] << 24)
1752                         + (phys_luns->list_length[1] << 16)
1753                         + (phys_luns->list_length[2] << 8)
1754                         + (phys_luns->list_length[3])) / 24;
1755
1756         for (i = 0; i < lun_count; ++i) {
1757
1758                 bus = phys_luns->lun[i].level2[1] & 0x3f;
1759                 target = phys_luns->lun[i].level2[0];
1760                 expose_flag = phys_luns->lun[i].bus >> 6;
1761                 attribs = phys_luns->lun[i].node_ident[9];
1762                 nexus = *((u32 *) &phys_luns->lun[i].node_ident[12]);
1763
1764                 if (bus >= AAC_MAX_BUSES || target >= AAC_MAX_TARGETS)
1765                         continue;
1766
1767                 dev->hba_map[bus][target].expose = expose_flag;
1768
1769                 if (expose_flag != 0) {
1770                         devtype = AAC_DEVTYPE_RAID_MEMBER;
1771                         goto update_devtype;
1772                 }
1773
1774                 if (nexus != 0 && (attribs & 8)) {
1775                         devtype = AAC_DEVTYPE_NATIVE_RAW;
1776                         dev->hba_map[bus][target].rmw_nexus =
1777                                         nexus;
1778                 } else
1779                         devtype = AAC_DEVTYPE_ARC_RAW;
1780
1781                 if (devtype != AAC_DEVTYPE_NATIVE_RAW)
1782                         goto update_devtype;
1783
1784                 if (aac_issue_bmic_identify(dev, bus, target) < 0)
1785                         dev->hba_map[bus][target].qd_limit = 32;
1786
1787 update_devtype:
1788                 if (rescan == AAC_INIT)
1789                         dev->hba_map[bus][target].devtype = devtype;
1790                 else
1791                         dev->hba_map[bus][target].new_devtype = devtype;
1792         }
1793 }
1794
1795 /**
1796  *      aac_report_phys_luns()  Process topology change
1797  *      @dev:           aac_dev structure
1798  *      @fibptr:        fib pointer
1799  *
1800  *      Execute a CISS REPORT PHYS LUNS and process the results into
1801  *      the current hba_map.
1802  */
1803 int aac_report_phys_luns(struct aac_dev *dev, struct fib *fibptr, int rescan)
1804 {
1805         int fibsize, datasize;
1806         struct aac_ciss_phys_luns_resp *phys_luns;
1807         struct aac_srb *srbcmd;
1808         struct sgmap64 *sg64;
1809         dma_addr_t addr;
1810         u32 vbus, vid;
1811         int rcode = 0;
1812
1813         /* Thor SA Firmware -> CISS_REPORT_PHYSICAL_LUNS */
1814         fibsize = sizeof(struct aac_srb) - sizeof(struct sgentry)
1815                         + sizeof(struct sgentry64);
1816         datasize = sizeof(struct aac_ciss_phys_luns_resp)
1817                         + (AAC_MAX_TARGETS - 1) * sizeof(struct _ciss_lun);
1818
1819         phys_luns = dma_alloc_coherent(&dev->pdev->dev, datasize, &addr,
1820                                        GFP_KERNEL);
1821         if (phys_luns == NULL) {
1822                 rcode = -ENOMEM;
1823                 goto err_out;
1824         }
1825
1826         vbus = (u32) le16_to_cpu(
1827                         dev->supplement_adapter_info.virt_device_bus);
1828         vid = (u32) le16_to_cpu(
1829                         dev->supplement_adapter_info.virt_device_target);
1830
1831         aac_fib_init(fibptr);
1832
1833         srbcmd = (struct aac_srb *) fib_data(fibptr);
1834         srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1835         srbcmd->channel = cpu_to_le32(vbus);
1836         srbcmd->id = cpu_to_le32(vid);
1837         srbcmd->lun = 0;
1838         srbcmd->flags = cpu_to_le32(SRB_DataIn);
1839         srbcmd->timeout = cpu_to_le32(10);
1840         srbcmd->retry_limit = 0;
1841         srbcmd->cdb_size = cpu_to_le32(12);
1842         srbcmd->count = cpu_to_le32(datasize);
1843
1844         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1845         srbcmd->cdb[0] = CISS_REPORT_PHYSICAL_LUNS;
1846         srbcmd->cdb[1] = 2; /* extended reporting */
1847         srbcmd->cdb[8] = (u8)(datasize >> 8);
1848         srbcmd->cdb[9] = (u8)(datasize);
1849
1850         sg64 = (struct sgmap64 *) &srbcmd->sg;
1851         sg64->count = cpu_to_le32(1);
1852         sg64->sg[0].addr[1] = cpu_to_le32(upper_32_bits(addr));
1853         sg64->sg[0].addr[0] = cpu_to_le32(lower_32_bits(addr));
1854         sg64->sg[0].count = cpu_to_le32(datasize);
1855
1856         rcode = aac_fib_send(ScsiPortCommand64, fibptr, fibsize,
1857                         FsaNormal, 1, 1, NULL, NULL);
1858
1859         /* analyse data */
1860         if (rcode >= 0 && phys_luns->resp_flag == 2) {
1861                 /* ok and extended reporting */
1862                 aac_update_hba_map(dev, phys_luns, rescan);
1863         }
1864
1865         dma_free_coherent(&dev->pdev->dev, datasize, phys_luns, addr);
1866 err_out:
1867         return rcode;
1868 }
1869
1870 int aac_get_adapter_info(struct aac_dev* dev)
1871 {
1872         struct fib* fibptr;
1873         int rcode;
1874         u32 tmp, bus, target;
1875         struct aac_adapter_info *info;
1876         struct aac_bus_info *command;
1877         struct aac_bus_info_response *bus_info;
1878
1879         if (!(fibptr = aac_fib_alloc(dev)))
1880                 return -ENOMEM;
1881
1882         aac_fib_init(fibptr);
1883         info = (struct aac_adapter_info *) fib_data(fibptr);
1884         memset(info,0,sizeof(*info));
1885
1886         rcode = aac_fib_send(RequestAdapterInfo,
1887                          fibptr,
1888                          sizeof(*info),
1889                          FsaNormal,
1890                          -1, 1, /* First `interrupt' command uses special wait */
1891                          NULL,
1892                          NULL);
1893
1894         if (rcode < 0) {
1895                 /* FIB should be freed only after
1896                  * getting the response from the F/W */
1897                 if (rcode != -ERESTARTSYS) {
1898                         aac_fib_complete(fibptr);
1899                         aac_fib_free(fibptr);
1900                 }
1901                 return rcode;
1902         }
1903         memcpy(&dev->adapter_info, info, sizeof(*info));
1904
1905         dev->supplement_adapter_info.virt_device_bus = 0xffff;
1906         if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
1907                 struct aac_supplement_adapter_info * sinfo;
1908
1909                 aac_fib_init(fibptr);
1910
1911                 sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr);
1912
1913                 memset(sinfo,0,sizeof(*sinfo));
1914
1915                 rcode = aac_fib_send(RequestSupplementAdapterInfo,
1916                                  fibptr,
1917                                  sizeof(*sinfo),
1918                                  FsaNormal,
1919                                  1, 1,
1920                                  NULL,
1921                                  NULL);
1922
1923                 if (rcode >= 0)
1924                         memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo));
1925                 if (rcode == -ERESTARTSYS) {
1926                         fibptr = aac_fib_alloc(dev);
1927                         if (!fibptr)
1928                                 return -ENOMEM;
1929                 }
1930
1931         }
1932
1933         /* reset all previous mapped devices (i.e. for init. after IOP_RESET) */
1934         for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1935                 for (target = 0; target < AAC_MAX_TARGETS; target++) {
1936                         dev->hba_map[bus][target].devtype = 0;
1937                         dev->hba_map[bus][target].qd_limit = 0;
1938                 }
1939         }
1940
1941         /*
1942          * GetBusInfo
1943          */
1944
1945         aac_fib_init(fibptr);
1946
1947         bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
1948
1949         memset(bus_info, 0, sizeof(*bus_info));
1950
1951         command = (struct aac_bus_info *)bus_info;
1952
1953         command->Command = cpu_to_le32(VM_Ioctl);
1954         command->ObjType = cpu_to_le32(FT_DRIVE);
1955         command->MethodId = cpu_to_le32(1);
1956         command->CtlCmd = cpu_to_le32(GetBusInfo);
1957
1958         rcode = aac_fib_send(ContainerCommand,
1959                          fibptr,
1960                          sizeof (*bus_info),
1961                          FsaNormal,
1962                          1, 1,
1963                          NULL, NULL);
1964
1965         /* reasoned default */
1966         dev->maximum_num_physicals = 16;
1967         if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
1968                 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
1969                 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
1970         }
1971
1972         if (!dev->sync_mode && dev->sa_firmware &&
1973                 dev->supplement_adapter_info.virt_device_bus != 0xffff) {
1974                 /* Thor SA Firmware -> CISS_REPORT_PHYSICAL_LUNS */
1975                 rcode = aac_report_phys_luns(dev, fibptr, AAC_INIT);
1976         }
1977
1978         if (!dev->in_reset) {
1979                 char buffer[16];
1980                 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1981                 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
1982                         dev->name,
1983                         dev->id,
1984                         tmp>>24,
1985                         (tmp>>16)&0xff,
1986                         tmp&0xff,
1987                         le32_to_cpu(dev->adapter_info.kernelbuild),
1988                         (int)sizeof(dev->supplement_adapter_info.build_date),
1989                         dev->supplement_adapter_info.build_date);
1990                 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1991                 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
1992                         dev->name, dev->id,
1993                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1994                         le32_to_cpu(dev->adapter_info.monitorbuild));
1995                 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1996                 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
1997                         dev->name, dev->id,
1998                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1999                         le32_to_cpu(dev->adapter_info.biosbuild));
2000                 buffer[0] = '\0';
2001                 if (aac_get_serial_number(
2002                   shost_to_class(dev->scsi_host_ptr), buffer))
2003                         printk(KERN_INFO "%s%d: serial %s",
2004                           dev->name, dev->id, buffer);
2005                 if (dev->supplement_adapter_info.vpd_info.tsid[0]) {
2006                         printk(KERN_INFO "%s%d: TSID %.*s\n",
2007                           dev->name, dev->id,
2008                           (int)sizeof(dev->supplement_adapter_info
2009                                                         .vpd_info.tsid),
2010                                 dev->supplement_adapter_info.vpd_info.tsid);
2011                 }
2012                 if (!aac_check_reset || ((aac_check_reset == 1) &&
2013                   (dev->supplement_adapter_info.supported_options2 &
2014                   AAC_OPTION_IGNORE_RESET))) {
2015                         printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
2016                           dev->name, dev->id);
2017                 }
2018         }
2019
2020         dev->cache_protected = 0;
2021         dev->jbod = ((dev->supplement_adapter_info.feature_bits &
2022                 AAC_FEATURE_JBOD) != 0);
2023         dev->nondasd_support = 0;
2024         dev->raid_scsi_mode = 0;
2025         if(dev->adapter_info.options & AAC_OPT_NONDASD)
2026                 dev->nondasd_support = 1;
2027
2028         /*
2029          * If the firmware supports ROMB RAID/SCSI mode and we are currently
2030          * in RAID/SCSI mode, set the flag. For now if in this mode we will
2031          * force nondasd support on. If we decide to allow the non-dasd flag
2032          * additional changes changes will have to be made to support
2033          * RAID/SCSI.  the function aac_scsi_cmd in this module will have to be
2034          * changed to support the new dev->raid_scsi_mode flag instead of
2035          * leaching off of the dev->nondasd_support flag. Also in linit.c the
2036          * function aac_detect will have to be modified where it sets up the
2037          * max number of channels based on the aac->nondasd_support flag only.
2038          */
2039         if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
2040             (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
2041                 dev->nondasd_support = 1;
2042                 dev->raid_scsi_mode = 1;
2043         }
2044         if (dev->raid_scsi_mode != 0)
2045                 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
2046                                 dev->name, dev->id);
2047
2048         if (nondasd != -1)
2049                 dev->nondasd_support = (nondasd!=0);
2050         if (dev->nondasd_support && !dev->in_reset)
2051                 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
2052
2053         if (dma_get_required_mask(&dev->pdev->dev) > DMA_BIT_MASK(32))
2054                 dev->needs_dac = 1;
2055         dev->dac_support = 0;
2056         if ((sizeof(dma_addr_t) > 4) && dev->needs_dac &&
2057             (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) {
2058                 if (!dev->in_reset)
2059                         printk(KERN_INFO "%s%d: 64bit support enabled.\n",
2060                                 dev->name, dev->id);
2061                 dev->dac_support = 1;
2062         }
2063
2064         if(dacmode != -1) {
2065                 dev->dac_support = (dacmode!=0);
2066         }
2067
2068         /* avoid problems with AAC_QUIRK_SCSI_32 controllers */
2069         if (dev->dac_support && (aac_get_driver_ident(dev->cardtype)->quirks
2070                 & AAC_QUIRK_SCSI_32)) {
2071                 dev->nondasd_support = 0;
2072                 dev->jbod = 0;
2073                 expose_physicals = 0;
2074         }
2075
2076         if (dev->dac_support) {
2077                 if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(64))) {
2078                         if (!dev->in_reset)
2079                                 dev_info(&dev->pdev->dev, "64 Bit DAC enabled\n");
2080                 } else if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(32))) {
2081                         dev_info(&dev->pdev->dev, "DMA mask set failed, 64 Bit DAC disabled\n");
2082                         dev->dac_support = 0;
2083                 } else {
2084                         dev_info(&dev->pdev->dev, "No suitable DMA available\n");
2085                         rcode = -ENOMEM;
2086                 }
2087         }
2088         /*
2089          * Deal with configuring for the individualized limits of each packet
2090          * interface.
2091          */
2092         dev->a_ops.adapter_scsi = (dev->dac_support)
2093           ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32)
2094                                 ? aac_scsi_32_64
2095                                 : aac_scsi_64)
2096                                 : aac_scsi_32;
2097         if (dev->raw_io_interface) {
2098                 dev->a_ops.adapter_bounds = (dev->raw_io_64)
2099                                         ? aac_bounds_64
2100                                         : aac_bounds_32;
2101                 dev->a_ops.adapter_read = aac_read_raw_io;
2102                 dev->a_ops.adapter_write = aac_write_raw_io;
2103         } else {
2104                 dev->a_ops.adapter_bounds = aac_bounds_32;
2105                 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
2106                         sizeof(struct aac_fibhdr) -
2107                         sizeof(struct aac_write) + sizeof(struct sgentry)) /
2108                                 sizeof(struct sgentry);
2109                 if (dev->dac_support) {
2110                         dev->a_ops.adapter_read = aac_read_block64;
2111                         dev->a_ops.adapter_write = aac_write_block64;
2112                         /*
2113                          * 38 scatter gather elements
2114                          */
2115                         dev->scsi_host_ptr->sg_tablesize =
2116                                 (dev->max_fib_size -
2117                                 sizeof(struct aac_fibhdr) -
2118                                 sizeof(struct aac_write64) +
2119                                 sizeof(struct sgentry64)) /
2120                                         sizeof(struct sgentry64);
2121                 } else {
2122                         dev->a_ops.adapter_read = aac_read_block;
2123                         dev->a_ops.adapter_write = aac_write_block;
2124                 }
2125                 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
2126                 if (!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
2127                         /*
2128                          * Worst case size that could cause sg overflow when
2129                          * we break up SG elements that are larger than 64KB.
2130                          * Would be nice if we could tell the SCSI layer what
2131                          * the maximum SG element size can be. Worst case is
2132                          * (sg_tablesize-1) 4KB elements with one 64KB
2133                          * element.
2134                          *      32bit -> 468 or 238KB   64bit -> 424 or 212KB
2135                          */
2136                         dev->scsi_host_ptr->max_sectors =
2137                           (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
2138                 }
2139         }
2140         if (!dev->sync_mode && dev->sa_firmware &&
2141                 dev->scsi_host_ptr->sg_tablesize > HBA_MAX_SG_SEPARATE)
2142                 dev->scsi_host_ptr->sg_tablesize = dev->sg_tablesize =
2143                         HBA_MAX_SG_SEPARATE;
2144
2145         /* FIB should be freed only after getting the response from the F/W */
2146         if (rcode != -ERESTARTSYS) {
2147                 aac_fib_complete(fibptr);
2148                 aac_fib_free(fibptr);
2149         }
2150
2151         return rcode;
2152 }
2153
2154
2155 static void io_callback(void *context, struct fib * fibptr)
2156 {
2157         struct aac_dev *dev;
2158         struct aac_read_reply *readreply;
2159         struct scsi_cmnd *scsicmd;
2160         u32 cid;
2161
2162         scsicmd = (struct scsi_cmnd *) context;
2163
2164         if (!aac_valid_context(scsicmd, fibptr))
2165                 return;
2166
2167         dev = fibptr->dev;
2168         cid = scmd_id(scsicmd);
2169
2170         if (nblank(dprintk(x))) {
2171                 u64 lba;
2172                 switch (scsicmd->cmnd[0]) {
2173                 case WRITE_6:
2174                 case READ_6:
2175                         lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
2176                             (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
2177                         break;
2178                 case WRITE_16:
2179                 case READ_16:
2180                         lba = ((u64)scsicmd->cmnd[2] << 56) |
2181                               ((u64)scsicmd->cmnd[3] << 48) |
2182                               ((u64)scsicmd->cmnd[4] << 40) |
2183                               ((u64)scsicmd->cmnd[5] << 32) |
2184                               ((u64)scsicmd->cmnd[6] << 24) |
2185                               (scsicmd->cmnd[7] << 16) |
2186                               (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2187                         break;
2188                 case WRITE_12:
2189                 case READ_12:
2190                         lba = ((u64)scsicmd->cmnd[2] << 24) |
2191                               (scsicmd->cmnd[3] << 16) |
2192                               (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2193                         break;
2194                 default:
2195                         lba = ((u64)scsicmd->cmnd[2] << 24) |
2196                                (scsicmd->cmnd[3] << 16) |
2197                                (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2198                         break;
2199                 }
2200                 printk(KERN_DEBUG
2201                   "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
2202                   smp_processor_id(), (unsigned long long)lba, jiffies);
2203         }
2204
2205         BUG_ON(fibptr == NULL);
2206
2207         scsi_dma_unmap(scsicmd);
2208
2209         readreply = (struct aac_read_reply *)fib_data(fibptr);
2210         switch (le32_to_cpu(readreply->status)) {
2211         case ST_OK:
2212                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2213                         SAM_STAT_GOOD;
2214                 dev->fsa_dev[cid].sense_data.sense_key = NO_SENSE;
2215                 break;
2216         case ST_NOT_READY:
2217                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2218                         SAM_STAT_CHECK_CONDITION;
2219                 set_sense(&dev->fsa_dev[cid].sense_data, NOT_READY,
2220                   SENCODE_BECOMING_READY, ASENCODE_BECOMING_READY, 0, 0);
2221                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2222                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2223                              SCSI_SENSE_BUFFERSIZE));
2224                 break;
2225         case ST_MEDERR:
2226                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2227                         SAM_STAT_CHECK_CONDITION;
2228                 set_sense(&dev->fsa_dev[cid].sense_data, MEDIUM_ERROR,
2229                   SENCODE_UNRECOVERED_READ_ERROR, ASENCODE_NO_SENSE, 0, 0);
2230                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2231                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2232                              SCSI_SENSE_BUFFERSIZE));
2233                 break;
2234         default:
2235 #ifdef AAC_DETAILED_STATUS_INFO
2236                 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
2237                   le32_to_cpu(readreply->status));
2238 #endif
2239                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2240                         SAM_STAT_CHECK_CONDITION;
2241                 set_sense(&dev->fsa_dev[cid].sense_data,
2242                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
2243                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2244                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2245                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2246                              SCSI_SENSE_BUFFERSIZE));
2247                 break;
2248         }
2249         aac_fib_complete(fibptr);
2250
2251         scsicmd->scsi_done(scsicmd);
2252 }
2253
2254 static int aac_read(struct scsi_cmnd * scsicmd)
2255 {
2256         u64 lba;
2257         u32 count;
2258         int status;
2259         struct aac_dev *dev;
2260         struct fib * cmd_fibcontext;
2261         int cid;
2262
2263         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2264         /*
2265          *      Get block address and transfer length
2266          */
2267         switch (scsicmd->cmnd[0]) {
2268         case READ_6:
2269                 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
2270
2271                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
2272                         (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
2273                 count = scsicmd->cmnd[4];
2274
2275                 if (count == 0)
2276                         count = 256;
2277                 break;
2278         case READ_16:
2279                 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
2280
2281                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
2282                         ((u64)scsicmd->cmnd[3] << 48) |
2283                         ((u64)scsicmd->cmnd[4] << 40) |
2284                         ((u64)scsicmd->cmnd[5] << 32) |
2285                         ((u64)scsicmd->cmnd[6] << 24) |
2286                         (scsicmd->cmnd[7] << 16) |
2287                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2288                 count = (scsicmd->cmnd[10] << 24) |
2289                         (scsicmd->cmnd[11] << 16) |
2290                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
2291                 break;
2292         case READ_12:
2293                 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
2294
2295                 lba = ((u64)scsicmd->cmnd[2] << 24) |
2296                         (scsicmd->cmnd[3] << 16) |
2297                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2298                 count = (scsicmd->cmnd[6] << 24) |
2299                         (scsicmd->cmnd[7] << 16) |
2300                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2301                 break;
2302         default:
2303                 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
2304
2305                 lba = ((u64)scsicmd->cmnd[2] << 24) |
2306                         (scsicmd->cmnd[3] << 16) |
2307                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2308                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
2309                 break;
2310         }
2311
2312         if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
2313                 cid = scmd_id(scsicmd);
2314                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
2315                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2316                         SAM_STAT_CHECK_CONDITION;
2317                 set_sense(&dev->fsa_dev[cid].sense_data,
2318                           HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
2319                           ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2320                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2321                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2322                              SCSI_SENSE_BUFFERSIZE));
2323                 scsicmd->scsi_done(scsicmd);
2324                 return 1;
2325         }
2326
2327         dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
2328           smp_processor_id(), (unsigned long long)lba, jiffies));
2329         if (aac_adapter_bounds(dev,scsicmd,lba))
2330                 return 0;
2331         /*
2332          *      Alocate and initialize a Fib
2333          */
2334         cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
2335         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2336         status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
2337
2338         /*
2339          *      Check that the command queued to the controller
2340          */
2341         if (status == -EINPROGRESS)
2342                 return 0;
2343
2344         printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
2345         /*
2346          *      For some reason, the Fib didn't queue, return QUEUE_FULL
2347          */
2348         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
2349         scsicmd->scsi_done(scsicmd);
2350         aac_fib_complete(cmd_fibcontext);
2351         aac_fib_free(cmd_fibcontext);
2352         return 0;
2353 }
2354
2355 static int aac_write(struct scsi_cmnd * scsicmd)
2356 {
2357         u64 lba;
2358         u32 count;
2359         int fua;
2360         int status;
2361         struct aac_dev *dev;
2362         struct fib * cmd_fibcontext;
2363         int cid;
2364
2365         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2366         /*
2367          *      Get block address and transfer length
2368          */
2369         if (scsicmd->cmnd[0] == WRITE_6)        /* 6 byte command */
2370         {
2371                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
2372                 count = scsicmd->cmnd[4];
2373                 if (count == 0)
2374                         count = 256;
2375                 fua = 0;
2376         } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
2377                 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
2378
2379                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
2380                         ((u64)scsicmd->cmnd[3] << 48) |
2381                         ((u64)scsicmd->cmnd[4] << 40) |
2382                         ((u64)scsicmd->cmnd[5] << 32) |
2383                         ((u64)scsicmd->cmnd[6] << 24) |
2384                         (scsicmd->cmnd[7] << 16) |
2385                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2386                 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
2387                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
2388                 fua = scsicmd->cmnd[1] & 0x8;
2389         } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
2390                 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
2391
2392                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
2393                     | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2394                 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
2395                       | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2396                 fua = scsicmd->cmnd[1] & 0x8;
2397         } else {
2398                 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
2399                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2400                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
2401                 fua = scsicmd->cmnd[1] & 0x8;
2402         }
2403
2404         if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
2405                 cid = scmd_id(scsicmd);
2406                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
2407                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2408                         SAM_STAT_CHECK_CONDITION;
2409                 set_sense(&dev->fsa_dev[cid].sense_data,
2410                           HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
2411                           ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2412                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2413                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2414                              SCSI_SENSE_BUFFERSIZE));
2415                 scsicmd->scsi_done(scsicmd);
2416                 return 1;
2417         }
2418
2419         dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
2420           smp_processor_id(), (unsigned long long)lba, jiffies));
2421         if (aac_adapter_bounds(dev,scsicmd,lba))
2422                 return 0;
2423         /*
2424          *      Allocate and initialize a Fib then setup a BlockWrite command
2425          */
2426         cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
2427         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2428         status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
2429
2430         /*
2431          *      Check that the command queued to the controller
2432          */
2433         if (status == -EINPROGRESS)
2434                 return 0;
2435
2436         printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
2437         /*
2438          *      For some reason, the Fib didn't queue, return QUEUE_FULL
2439          */
2440         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
2441         scsicmd->scsi_done(scsicmd);
2442
2443         aac_fib_complete(cmd_fibcontext);
2444         aac_fib_free(cmd_fibcontext);
2445         return 0;
2446 }
2447
2448 static void synchronize_callback(void *context, struct fib *fibptr)
2449 {
2450         struct aac_synchronize_reply *synchronizereply;
2451         struct scsi_cmnd *cmd;
2452
2453         cmd = context;
2454
2455         if (!aac_valid_context(cmd, fibptr))
2456                 return;
2457
2458         dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
2459                                 smp_processor_id(), jiffies));
2460         BUG_ON(fibptr == NULL);
2461
2462
2463         synchronizereply = fib_data(fibptr);
2464         if (le32_to_cpu(synchronizereply->status) == CT_OK)
2465                 cmd->result = DID_OK << 16 |
2466                         COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2467         else {
2468                 struct scsi_device *sdev = cmd->device;
2469                 struct aac_dev *dev = fibptr->dev;
2470                 u32 cid = sdev_id(sdev);
2471                 printk(KERN_WARNING
2472                      "synchronize_callback: synchronize failed, status = %d\n",
2473                      le32_to_cpu(synchronizereply->status));
2474                 cmd->result = DID_OK << 16 |
2475                         COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2476                 set_sense(&dev->fsa_dev[cid].sense_data,
2477                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
2478                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2479                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2480                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2481                              SCSI_SENSE_BUFFERSIZE));
2482         }
2483
2484         aac_fib_complete(fibptr);
2485         aac_fib_free(fibptr);
2486         cmd->scsi_done(cmd);
2487 }
2488
2489 static int aac_synchronize(struct scsi_cmnd *scsicmd)
2490 {
2491         int status;
2492         struct fib *cmd_fibcontext;
2493         struct aac_synchronize *synchronizecmd;
2494         struct scsi_cmnd *cmd;
2495         struct scsi_device *sdev = scsicmd->device;
2496         int active = 0;
2497         struct aac_dev *aac;
2498         u64 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) |
2499                 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2500         u32 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
2501         unsigned long flags;
2502
2503         /*
2504          * Wait for all outstanding queued commands to complete to this
2505          * specific target (block).
2506          */
2507         spin_lock_irqsave(&sdev->list_lock, flags);
2508         list_for_each_entry(cmd, &sdev->cmd_list, list)
2509                 if (cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
2510                         u64 cmnd_lba;
2511                         u32 cmnd_count;
2512
2513                         if (cmd->cmnd[0] == WRITE_6) {
2514                                 cmnd_lba = ((cmd->cmnd[1] & 0x1F) << 16) |
2515                                         (cmd->cmnd[2] << 8) |
2516                                         cmd->cmnd[3];
2517                                 cmnd_count = cmd->cmnd[4];
2518                                 if (cmnd_count == 0)
2519                                         cmnd_count = 256;
2520                         } else if (cmd->cmnd[0] == WRITE_16) {
2521                                 cmnd_lba = ((u64)cmd->cmnd[2] << 56) |
2522                                         ((u64)cmd->cmnd[3] << 48) |
2523                                         ((u64)cmd->cmnd[4] << 40) |
2524                                         ((u64)cmd->cmnd[5] << 32) |
2525                                         ((u64)cmd->cmnd[6] << 24) |
2526                                         (cmd->cmnd[7] << 16) |
2527                                         (cmd->cmnd[8] << 8) |
2528                                         cmd->cmnd[9];
2529                                 cmnd_count = (cmd->cmnd[10] << 24) |
2530                                         (cmd->cmnd[11] << 16) |
2531                                         (cmd->cmnd[12] << 8) |
2532                                         cmd->cmnd[13];
2533                         } else if (cmd->cmnd[0] == WRITE_12) {
2534                                 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
2535                                         (cmd->cmnd[3] << 16) |
2536                                         (cmd->cmnd[4] << 8) |
2537                                         cmd->cmnd[5];
2538                                 cmnd_count = (cmd->cmnd[6] << 24) |
2539                                         (cmd->cmnd[7] << 16) |
2540                                         (cmd->cmnd[8] << 8) |
2541                                         cmd->cmnd[9];
2542                         } else if (cmd->cmnd[0] == WRITE_10) {
2543                                 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
2544                                         (cmd->cmnd[3] << 16) |
2545                                         (cmd->cmnd[4] << 8) |
2546                                         cmd->cmnd[5];
2547                                 cmnd_count = (cmd->cmnd[7] << 8) |
2548                                         cmd->cmnd[8];
2549                         } else
2550                                 continue;
2551                         if (((cmnd_lba + cmnd_count) < lba) ||
2552                           (count && ((lba + count) < cmnd_lba)))
2553                                 continue;
2554                         ++active;
2555                         break;
2556                 }
2557
2558         spin_unlock_irqrestore(&sdev->list_lock, flags);
2559
2560         /*
2561          *      Yield the processor (requeue for later)
2562          */
2563         if (active)
2564                 return SCSI_MLQUEUE_DEVICE_BUSY;
2565
2566         aac = (struct aac_dev *)sdev->host->hostdata;
2567         if (aac->in_reset)
2568                 return SCSI_MLQUEUE_HOST_BUSY;
2569
2570         /*
2571          *      Allocate and initialize a Fib
2572          */
2573         if (!(cmd_fibcontext = aac_fib_alloc(aac)))
2574                 return SCSI_MLQUEUE_HOST_BUSY;
2575
2576         aac_fib_init(cmd_fibcontext);
2577
2578         synchronizecmd = fib_data(cmd_fibcontext);
2579         synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
2580         synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
2581         synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
2582         synchronizecmd->count =
2583              cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
2584         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2585
2586         /*
2587          *      Now send the Fib to the adapter
2588          */
2589         status = aac_fib_send(ContainerCommand,
2590                   cmd_fibcontext,
2591                   sizeof(struct aac_synchronize),
2592                   FsaNormal,
2593                   0, 1,
2594                   (fib_callback)synchronize_callback,
2595                   (void *)scsicmd);
2596
2597         /*
2598          *      Check that the command queued to the controller
2599          */
2600         if (status == -EINPROGRESS)
2601                 return 0;
2602
2603         printk(KERN_WARNING
2604                 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
2605         aac_fib_complete(cmd_fibcontext);
2606         aac_fib_free(cmd_fibcontext);
2607         return SCSI_MLQUEUE_HOST_BUSY;
2608 }
2609
2610 static void aac_start_stop_callback(void *context, struct fib *fibptr)
2611 {
2612         struct scsi_cmnd *scsicmd = context;
2613
2614         if (!aac_valid_context(scsicmd, fibptr))
2615                 return;
2616
2617         BUG_ON(fibptr == NULL);
2618
2619         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2620
2621         aac_fib_complete(fibptr);
2622         aac_fib_free(fibptr);
2623         scsicmd->scsi_done(scsicmd);
2624 }
2625
2626 static int aac_start_stop(struct scsi_cmnd *scsicmd)
2627 {
2628         int status;
2629         struct fib *cmd_fibcontext;
2630         struct aac_power_management *pmcmd;
2631         struct scsi_device *sdev = scsicmd->device;
2632         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
2633
2634         if (!(aac->supplement_adapter_info.supported_options2 &
2635               AAC_OPTION_POWER_MANAGEMENT)) {
2636                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2637                                   SAM_STAT_GOOD;
2638                 scsicmd->scsi_done(scsicmd);
2639                 return 0;
2640         }
2641
2642         if (aac->in_reset)
2643                 return SCSI_MLQUEUE_HOST_BUSY;
2644
2645         /*
2646          *      Allocate and initialize a Fib
2647          */
2648         cmd_fibcontext = aac_fib_alloc_tag(aac, scsicmd);
2649
2650         aac_fib_init(cmd_fibcontext);
2651
2652         pmcmd = fib_data(cmd_fibcontext);
2653         pmcmd->command = cpu_to_le32(VM_ContainerConfig);
2654         pmcmd->type = cpu_to_le32(CT_POWER_MANAGEMENT);
2655         /* Eject bit ignored, not relevant */
2656         pmcmd->sub = (scsicmd->cmnd[4] & 1) ?
2657                 cpu_to_le32(CT_PM_START_UNIT) : cpu_to_le32(CT_PM_STOP_UNIT);
2658         pmcmd->cid = cpu_to_le32(sdev_id(sdev));
2659         pmcmd->parm = (scsicmd->cmnd[1] & 1) ?
2660                 cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0;
2661         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2662
2663         /*
2664          *      Now send the Fib to the adapter
2665          */
2666         status = aac_fib_send(ContainerCommand,
2667                   cmd_fibcontext,
2668                   sizeof(struct aac_power_management),
2669                   FsaNormal,
2670                   0, 1,
2671                   (fib_callback)aac_start_stop_callback,
2672                   (void *)scsicmd);
2673
2674         /*
2675          *      Check that the command queued to the controller
2676          */
2677         if (status == -EINPROGRESS)
2678                 return 0;
2679
2680         aac_fib_complete(cmd_fibcontext);
2681         aac_fib_free(cmd_fibcontext);
2682         return SCSI_MLQUEUE_HOST_BUSY;
2683 }
2684
2685 /**
2686  *      aac_scsi_cmd()          -       Process SCSI command
2687  *      @scsicmd:               SCSI command block
2688  *
2689  *      Emulate a SCSI command and queue the required request for the
2690  *      aacraid firmware.
2691  */
2692
2693 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
2694 {
2695         u32 cid, bus;
2696         struct Scsi_Host *host = scsicmd->device->host;
2697         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
2698         struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
2699
2700         if (fsa_dev_ptr == NULL)
2701                 return -1;
2702         /*
2703          *      If the bus, id or lun is out of range, return fail
2704          *      Test does not apply to ID 16, the pseudo id for the controller
2705          *      itself.
2706          */
2707         cid = scmd_id(scsicmd);
2708         if (cid != host->this_id) {
2709                 if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
2710                         if((cid >= dev->maximum_num_containers) ||
2711                                         (scsicmd->device->lun != 0)) {
2712                                 scsicmd->result = DID_NO_CONNECT << 16;
2713                                 goto scsi_done_ret;
2714                         }
2715
2716                         /*
2717                          *      If the target container doesn't exist, it may have
2718                          *      been newly created
2719                          */
2720                         if (((fsa_dev_ptr[cid].valid & 1) == 0) ||
2721                           (fsa_dev_ptr[cid].sense_data.sense_key ==
2722                            NOT_READY)) {
2723                                 switch (scsicmd->cmnd[0]) {
2724                                 case SERVICE_ACTION_IN_16:
2725                                         if (!(dev->raw_io_interface) ||
2726                                             !(dev->raw_io_64) ||
2727                                             ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2728                                                 break;
2729                                 case INQUIRY:
2730                                 case READ_CAPACITY:
2731                                 case TEST_UNIT_READY:
2732                                         if (dev->in_reset)
2733                                                 return -1;
2734                                         return _aac_probe_container(scsicmd,
2735                                                         aac_probe_container_callback2);
2736                                 default:
2737                                         break;
2738                                 }
2739                         }
2740                 } else {  /* check for physical non-dasd devices */
2741                         bus = aac_logical_to_phys(scmd_channel(scsicmd));
2742                         if (bus < AAC_MAX_BUSES && cid < AAC_MAX_TARGETS &&
2743                                 (dev->hba_map[bus][cid].expose
2744                                                 == AAC_HIDE_DISK)){
2745                                 if (scsicmd->cmnd[0] == INQUIRY) {
2746                                         scsicmd->result = DID_NO_CONNECT << 16;
2747                                         goto scsi_done_ret;
2748                                 }
2749                         }
2750
2751                         if (bus < AAC_MAX_BUSES && cid < AAC_MAX_TARGETS &&
2752                                 dev->hba_map[bus][cid].devtype
2753                                         == AAC_DEVTYPE_NATIVE_RAW) {
2754                                 if (dev->in_reset)
2755                                         return -1;
2756                                 return aac_send_hba_fib(scsicmd);
2757                         } else if (dev->nondasd_support || expose_physicals ||
2758                                 dev->jbod) {
2759                                 if (dev->in_reset)
2760                                         return -1;
2761                                 return aac_send_srb_fib(scsicmd);
2762                         } else {
2763                                 scsicmd->result = DID_NO_CONNECT << 16;
2764                                 goto scsi_done_ret;
2765                         }
2766                 }
2767         }
2768         /*
2769          * else Command for the controller itself
2770          */
2771         else if ((scsicmd->cmnd[0] != INQUIRY) &&       /* only INQUIRY & TUR cmnd supported for controller */
2772                 (scsicmd->cmnd[0] != TEST_UNIT_READY))
2773         {
2774                 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
2775                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2776                 set_sense(&dev->fsa_dev[cid].sense_data,
2777                   ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2778                   ASENCODE_INVALID_COMMAND, 0, 0);
2779                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2780                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2781                              SCSI_SENSE_BUFFERSIZE));
2782                 goto scsi_done_ret;
2783         }
2784
2785         switch (scsicmd->cmnd[0]) {
2786         case READ_6:
2787         case READ_10:
2788         case READ_12:
2789         case READ_16:
2790                 if (dev->in_reset)
2791                         return -1;
2792                 return aac_read(scsicmd);
2793
2794         case WRITE_6:
2795         case WRITE_10:
2796         case WRITE_12:
2797         case WRITE_16:
2798                 if (dev->in_reset)
2799                         return -1;
2800                 return aac_write(scsicmd);
2801
2802         case SYNCHRONIZE_CACHE:
2803                 if (((aac_cache & 6) == 6) && dev->cache_protected) {
2804                         scsicmd->result = AAC_STAT_GOOD;
2805                         break;
2806                 }
2807                 /* Issue FIB to tell Firmware to flush it's cache */
2808                 if ((aac_cache & 6) != 2)
2809                         return aac_synchronize(scsicmd);
2810         case INQUIRY:
2811         {
2812                 struct inquiry_data inq_data;
2813
2814                 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
2815                 memset(&inq_data, 0, sizeof (struct inquiry_data));
2816
2817                 if ((scsicmd->cmnd[1] & 0x1) && aac_wwn) {
2818                         char *arr = (char *)&inq_data;
2819
2820                         /* EVPD bit set */
2821                         arr[0] = (scmd_id(scsicmd) == host->this_id) ?
2822                           INQD_PDT_PROC : INQD_PDT_DA;
2823                         if (scsicmd->cmnd[2] == 0) {
2824                                 /* supported vital product data pages */
2825                                 arr[3] = 3;
2826                                 arr[4] = 0x0;
2827                                 arr[5] = 0x80;
2828                                 arr[6] = 0x83;
2829                                 arr[1] = scsicmd->cmnd[2];
2830                                 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2831                                                          sizeof(inq_data));
2832                                 scsicmd->result = AAC_STAT_GOOD;
2833                         } else if (scsicmd->cmnd[2] == 0x80) {
2834                                 /* unit serial number page */
2835                                 arr[3] = setinqserial(dev, &arr[4],
2836                                   scmd_id(scsicmd));
2837                                 arr[1] = scsicmd->cmnd[2];
2838                                 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2839                                                          sizeof(inq_data));
2840                                 if (aac_wwn != 2)
2841                                         return aac_get_container_serial(
2842                                                 scsicmd);
2843                                 scsicmd->result = AAC_STAT_GOOD;
2844                         } else if (scsicmd->cmnd[2] == 0x83) {
2845                                 /* vpd page 0x83 - Device Identification Page */
2846                                 char *sno = (char *)&inq_data;
2847                                 sno[3] = setinqserial(dev, &sno[4],
2848                                                       scmd_id(scsicmd));
2849                                 if (aac_wwn != 2)
2850                                         return aac_get_container_serial(
2851                                                 scsicmd);
2852                                 scsicmd->result = AAC_STAT_GOOD;
2853                         } else {
2854                                 /* vpd page not implemented */
2855                                 scsicmd->result = DID_OK << 16 |
2856                                   COMMAND_COMPLETE << 8 |
2857                                   SAM_STAT_CHECK_CONDITION;
2858                                 set_sense(&dev->fsa_dev[cid].sense_data,
2859                                   ILLEGAL_REQUEST, SENCODE_INVALID_CDB_FIELD,
2860                                   ASENCODE_NO_SENSE, 7, 2);
2861                                 memcpy(scsicmd->sense_buffer,
2862                                   &dev->fsa_dev[cid].sense_data,
2863                                   min_t(size_t,
2864                                         sizeof(dev->fsa_dev[cid].sense_data),
2865                                         SCSI_SENSE_BUFFERSIZE));
2866                         }
2867                         break;
2868                 }
2869                 inq_data.inqd_ver = 2;  /* claim compliance to SCSI-2 */
2870                 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 */
2871                 inq_data.inqd_len = 31;
2872                 /*Format for "pad2" is  RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
2873                 inq_data.inqd_pad2= 0x32 ;       /*WBus16|Sync|CmdQue */
2874                 /*
2875                  *      Set the Vendor, Product, and Revision Level
2876                  *      see: <vendor>.c i.e. aac.c
2877                  */
2878                 if (cid == host->this_id) {
2879                         setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
2880                         inq_data.inqd_pdt = INQD_PDT_PROC;      /* Processor device */
2881                         scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2882                                                  sizeof(inq_data));
2883                         scsicmd->result = AAC_STAT_GOOD;
2884                         break;
2885                 }
2886                 if (dev->in_reset)
2887                         return -1;
2888                 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
2889                 inq_data.inqd_pdt = INQD_PDT_DA;        /* Direct/random access device */
2890                 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
2891                 return aac_get_container_name(scsicmd);
2892         }
2893         case SERVICE_ACTION_IN_16:
2894                 if (!(dev->raw_io_interface) ||
2895                     !(dev->raw_io_64) ||
2896                     ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2897                         break;
2898         {
2899                 u64 capacity;
2900                 char cp[13];
2901                 unsigned int alloc_len;
2902
2903                 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
2904                 capacity = fsa_dev_ptr[cid].size - 1;
2905                 cp[0] = (capacity >> 56) & 0xff;
2906                 cp[1] = (capacity >> 48) & 0xff;
2907                 cp[2] = (capacity >> 40) & 0xff;
2908                 cp[3] = (capacity >> 32) & 0xff;
2909                 cp[4] = (capacity >> 24) & 0xff;
2910                 cp[5] = (capacity >> 16) & 0xff;
2911                 cp[6] = (capacity >> 8) & 0xff;
2912                 cp[7] = (capacity >> 0) & 0xff;
2913                 cp[8] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
2914                 cp[9] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
2915                 cp[10] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
2916                 cp[11] = (fsa_dev_ptr[cid].block_size) & 0xff;
2917                 cp[12] = 0;
2918
2919                 alloc_len = ((scsicmd->cmnd[10] << 24)
2920                              + (scsicmd->cmnd[11] << 16)
2921                              + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);
2922
2923                 alloc_len = min_t(size_t, alloc_len, sizeof(cp));
2924                 scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len);
2925                 if (alloc_len < scsi_bufflen(scsicmd))
2926                         scsi_set_resid(scsicmd,
2927                                        scsi_bufflen(scsicmd) - alloc_len);
2928
2929                 /* Do not cache partition table for arrays */
2930                 scsicmd->device->removable = 1;
2931
2932                 scsicmd->result = AAC_STAT_GOOD;
2933                 break;
2934         }
2935
2936         case READ_CAPACITY:
2937         {
2938                 u32 capacity;
2939                 char cp[8];
2940
2941                 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
2942                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
2943                         capacity = fsa_dev_ptr[cid].size - 1;
2944                 else
2945                         capacity = (u32)-1;
2946
2947                 cp[0] = (capacity >> 24) & 0xff;
2948                 cp[1] = (capacity >> 16) & 0xff;
2949                 cp[2] = (capacity >> 8) & 0xff;
2950                 cp[3] = (capacity >> 0) & 0xff;
2951                 cp[4] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
2952                 cp[5] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
2953                 cp[6] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
2954                 cp[7] = (fsa_dev_ptr[cid].block_size) & 0xff;
2955                 scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
2956                 /* Do not cache partition table for arrays */
2957                 scsicmd->device->removable = 1;
2958                 scsicmd->result = AAC_STAT_GOOD;
2959                 break;
2960         }
2961
2962         case MODE_SENSE:
2963         {
2964                 int mode_buf_length = 4;
2965                 u32 capacity;
2966                 aac_modep_data mpd;
2967
2968                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
2969                         capacity = fsa_dev_ptr[cid].size - 1;
2970                 else
2971                         capacity = (u32)-1;
2972
2973                 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
2974                 memset((char *)&mpd, 0, sizeof(aac_modep_data));
2975
2976                 /* Mode data length */
2977                 mpd.hd.data_length = sizeof(mpd.hd) - 1;
2978                 /* Medium type - default */
2979                 mpd.hd.med_type = 0;
2980                 /* Device-specific param,
2981                    bit 8: 0/1 = write enabled/protected
2982                    bit 4: 0/1 = FUA enabled */
2983                 mpd.hd.dev_par = 0;
2984
2985                 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
2986                         mpd.hd.dev_par = 0x10;
2987                 if (scsicmd->cmnd[1] & 0x8)
2988                         mpd.hd.bd_length = 0;   /* Block descriptor length */
2989                 else {
2990                         mpd.hd.bd_length = sizeof(mpd.bd);
2991                         mpd.hd.data_length += mpd.hd.bd_length;
2992                         mpd.bd.block_length[0] =
2993                                 (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
2994                         mpd.bd.block_length[1] =
2995                                 (fsa_dev_ptr[cid].block_size >> 8) &  0xff;
2996                         mpd.bd.block_length[2] =
2997                                 fsa_dev_ptr[cid].block_size  & 0xff;
2998
2999                         mpd.mpc_buf[0] = scsicmd->cmnd[2];
3000                         if (scsicmd->cmnd[2] == 0x1C) {
3001                                 /* page length */
3002                                 mpd.mpc_buf[1] = 0xa;
3003                                 /* Mode data length */
3004                                 mpd.hd.data_length = 23;
3005                         } else {
3006                                 /* Mode data length */
3007                                 mpd.hd.data_length = 15;
3008                         }
3009
3010                         if (capacity > 0xffffff) {
3011                                 mpd.bd.block_count[0] = 0xff;
3012                                 mpd.bd.block_count[1] = 0xff;
3013                                 mpd.bd.block_count[2] = 0xff;
3014                         } else {
3015                                 mpd.bd.block_count[0] = (capacity >> 16) & 0xff;
3016                                 mpd.bd.block_count[1] = (capacity >> 8) & 0xff;
3017                                 mpd.bd.block_count[2] = capacity  & 0xff;
3018                         }
3019                 }
3020                 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
3021                   ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
3022                         mpd.hd.data_length += 3;
3023                         mpd.mpc_buf[0] = 8;
3024                         mpd.mpc_buf[1] = 1;
3025                         mpd.mpc_buf[2] = ((aac_cache & 6) == 2)
3026                                 ? 0 : 0x04; /* WCE */
3027                         mode_buf_length = sizeof(mpd);
3028                 }
3029
3030                 if (mode_buf_length > scsicmd->cmnd[4])
3031                         mode_buf_length = scsicmd->cmnd[4];
3032                 else
3033                         mode_buf_length = sizeof(mpd);
3034                 scsi_sg_copy_from_buffer(scsicmd,
3035                                          (char *)&mpd,
3036                                          mode_buf_length);
3037                 scsicmd->result = AAC_STAT_GOOD;
3038                 break;
3039         }
3040         case MODE_SENSE_10:
3041         {
3042                 u32 capacity;
3043                 int mode_buf_length = 8;
3044                 aac_modep10_data mpd10;
3045
3046                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
3047                         capacity = fsa_dev_ptr[cid].size - 1;
3048                 else
3049                         capacity = (u32)-1;
3050
3051                 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
3052                 memset((char *)&mpd10, 0, sizeof(aac_modep10_data));
3053                 /* Mode data length (MSB) */
3054                 mpd10.hd.data_length[0] = 0;
3055                 /* Mode data length (LSB) */
3056                 mpd10.hd.data_length[1] = sizeof(mpd10.hd) - 1;
3057                 /* Medium type - default */
3058                 mpd10.hd.med_type = 0;
3059                 /* Device-specific param,
3060                    bit 8: 0/1 = write enabled/protected
3061                    bit 4: 0/1 = FUA enabled */
3062                 mpd10.hd.dev_par = 0;
3063
3064                 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
3065                         mpd10.hd.dev_par = 0x10;
3066                 mpd10.hd.rsrvd[0] = 0;  /* reserved */
3067                 mpd10.hd.rsrvd[1] = 0;  /* reserved */
3068                 if (scsicmd->cmnd[1] & 0x8) {
3069                         /* Block descriptor length (MSB) */
3070                         mpd10.hd.bd_length[0] = 0;
3071                         /* Block descriptor length (LSB) */
3072                         mpd10.hd.bd_length[1] = 0;
3073                 } else {
3074                         mpd10.hd.bd_length[0] = 0;
3075                         mpd10.hd.bd_length[1] = sizeof(mpd10.bd);
3076
3077                         mpd10.hd.data_length[1] += mpd10.hd.bd_length[1];
3078
3079                         mpd10.bd.block_length[0] =
3080                                 (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
3081                         mpd10.bd.block_length[1] =
3082                                 (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
3083                         mpd10.bd.block_length[2] =
3084                                 fsa_dev_ptr[cid].block_size  & 0xff;
3085
3086                         if (capacity > 0xffffff) {
3087                                 mpd10.bd.block_count[0] = 0xff;
3088                                 mpd10.bd.block_count[1] = 0xff;
3089                                 mpd10.bd.block_count[2] = 0xff;
3090                         } else {
3091                                 mpd10.bd.block_count[0] =
3092                                         (capacity >> 16) & 0xff;
3093                                 mpd10.bd.block_count[1] =
3094                                         (capacity >> 8) & 0xff;
3095                                 mpd10.bd.block_count[2] =
3096                                         capacity  & 0xff;
3097                         }
3098                 }
3099                 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
3100                   ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
3101                         mpd10.hd.data_length[1] += 3;
3102                         mpd10.mpc_buf[0] = 8;
3103                         mpd10.mpc_buf[1] = 1;
3104                         mpd10.mpc_buf[2] = ((aac_cache & 6) == 2)
3105                                 ? 0 : 0x04; /* WCE */
3106                         mode_buf_length = sizeof(mpd10);
3107                         if (mode_buf_length > scsicmd->cmnd[8])
3108                                 mode_buf_length = scsicmd->cmnd[8];
3109                 }
3110                 scsi_sg_copy_from_buffer(scsicmd,
3111                                          (char *)&mpd10,
3112                                          mode_buf_length);
3113
3114                 scsicmd->result = AAC_STAT_GOOD;
3115                 break;
3116         }
3117         case REQUEST_SENSE:
3118                 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
3119                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
3120                                 sizeof(struct sense_data));
3121                 memset(&dev->fsa_dev[cid].sense_data, 0,
3122                                 sizeof(struct sense_data));
3123                 scsicmd->result = AAC_STAT_GOOD;
3124                 break;
3125
3126         case ALLOW_MEDIUM_REMOVAL:
3127                 dprintk((KERN_DEBUG "LOCK command.\n"));
3128                 if (scsicmd->cmnd[4])
3129                         fsa_dev_ptr[cid].locked = 1;
3130                 else
3131                         fsa_dev_ptr[cid].locked = 0;
3132
3133                 scsicmd->result = AAC_STAT_GOOD;
3134                 break;
3135         /*
3136          *      These commands are all No-Ops
3137          */
3138         case TEST_UNIT_READY:
3139                 if (fsa_dev_ptr[cid].sense_data.sense_key == NOT_READY) {
3140                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
3141                                 SAM_STAT_CHECK_CONDITION;
3142                         set_sense(&dev->fsa_dev[cid].sense_data,
3143                                   NOT_READY, SENCODE_BECOMING_READY,
3144                                   ASENCODE_BECOMING_READY, 0, 0);
3145                         memcpy(scsicmd->sense_buffer,
3146                                &dev->fsa_dev[cid].sense_data,
3147                                min_t(size_t,
3148                                      sizeof(dev->fsa_dev[cid].sense_data),
3149                                      SCSI_SENSE_BUFFERSIZE));
3150                 break;
3151                 }
3152         case RESERVE:
3153         case RELEASE:
3154         case REZERO_UNIT:
3155         case REASSIGN_BLOCKS:
3156         case SEEK_10:
3157                 scsicmd->result = AAC_STAT_GOOD;
3158                 break;
3159
3160         case START_STOP:
3161                 return aac_start_stop(scsicmd);
3162
3163         /* FALLTHRU */
3164         default:
3165         /*
3166          *      Unhandled commands
3167          */
3168                 dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n",
3169                                 scsicmd->cmnd[0]));
3170                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
3171                                 SAM_STAT_CHECK_CONDITION;
3172                 set_sense(&dev->fsa_dev[cid].sense_data,
3173                           ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
3174                           ASENCODE_INVALID_COMMAND, 0, 0);
3175                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
3176                                 min_t(size_t,
3177                                       sizeof(dev->fsa_dev[cid].sense_data),
3178                                       SCSI_SENSE_BUFFERSIZE));
3179         }
3180
3181 scsi_done_ret:
3182
3183         scsicmd->scsi_done(scsicmd);
3184         return 0;
3185 }
3186
3187 static int query_disk(struct aac_dev *dev, void __user *arg)
3188 {
3189         struct aac_query_disk qd;
3190         struct fsa_dev_info *fsa_dev_ptr;
3191
3192         fsa_dev_ptr = dev->fsa_dev;
3193         if (!fsa_dev_ptr)
3194                 return -EBUSY;
3195         if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
3196                 return -EFAULT;
3197         if (qd.cnum == -1) {
3198                 if (qd.id < 0 || qd.id >= dev->maximum_num_containers)
3199                         return -EINVAL;
3200                 qd.cnum = qd.id;
3201         } else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) {
3202                 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
3203                         return -EINVAL;
3204                 qd.instance = dev->scsi_host_ptr->host_no;
3205                 qd.bus = 0;
3206                 qd.id = CONTAINER_TO_ID(qd.cnum);
3207                 qd.lun = CONTAINER_TO_LUN(qd.cnum);
3208         }
3209         else return -EINVAL;
3210
3211         qd.valid = fsa_dev_ptr[qd.cnum].valid != 0;
3212         qd.locked = fsa_dev_ptr[qd.cnum].locked;
3213         qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
3214
3215         if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
3216                 qd.unmapped = 1;
3217         else
3218                 qd.unmapped = 0;
3219
3220         strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
3221           min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
3222
3223         if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
3224                 return -EFAULT;
3225         return 0;
3226 }
3227
3228 static int force_delete_disk(struct aac_dev *dev, void __user *arg)
3229 {
3230         struct aac_delete_disk dd;
3231         struct fsa_dev_info *fsa_dev_ptr;
3232
3233         fsa_dev_ptr = dev->fsa_dev;
3234         if (!fsa_dev_ptr)
3235                 return -EBUSY;
3236
3237         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
3238                 return -EFAULT;
3239
3240         if (dd.cnum >= dev->maximum_num_containers)
3241                 return -EINVAL;
3242         /*
3243          *      Mark this container as being deleted.
3244          */
3245         fsa_dev_ptr[dd.cnum].deleted = 1;
3246         /*
3247          *      Mark the container as no longer valid
3248          */
3249         fsa_dev_ptr[dd.cnum].valid = 0;
3250         return 0;
3251 }
3252
3253 static int delete_disk(struct aac_dev *dev, void __user *arg)
3254 {
3255         struct aac_delete_disk dd;
3256         struct fsa_dev_info *fsa_dev_ptr;
3257
3258         fsa_dev_ptr = dev->fsa_dev;
3259         if (!fsa_dev_ptr)
3260                 return -EBUSY;
3261
3262         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
3263                 return -EFAULT;
3264
3265         if (dd.cnum >= dev->maximum_num_containers)
3266                 return -EINVAL;
3267         /*
3268          *      If the container is locked, it can not be deleted by the API.
3269          */
3270         if (fsa_dev_ptr[dd.cnum].locked)
3271                 return -EBUSY;
3272         else {
3273                 /*
3274                  *      Mark the container as no longer being valid.
3275                  */
3276                 fsa_dev_ptr[dd.cnum].valid = 0;
3277                 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
3278                 return 0;
3279         }
3280 }
3281
3282 int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
3283 {
3284         switch (cmd) {
3285         case FSACTL_QUERY_DISK:
3286                 return query_disk(dev, arg);
3287         case FSACTL_DELETE_DISK:
3288                 return delete_disk(dev, arg);
3289         case FSACTL_FORCE_DELETE_DISK:
3290                 return force_delete_disk(dev, arg);
3291         case FSACTL_GET_CONTAINERS:
3292                 return aac_get_containers(dev);
3293         default:
3294                 return -ENOTTY;
3295         }
3296 }
3297
3298 /**
3299  *
3300  * aac_srb_callback
3301  * @context: the context set in the fib - here it is scsi cmd
3302  * @fibptr: pointer to the fib
3303  *
3304  * Handles the completion of a scsi command to a non dasd device
3305  *
3306  */
3307
3308 static void aac_srb_callback(void *context, struct fib * fibptr)
3309 {
3310         struct aac_dev *dev;
3311         struct aac_srb_reply *srbreply;
3312         struct scsi_cmnd *scsicmd;
3313
3314         scsicmd = (struct scsi_cmnd *) context;
3315
3316         if (!aac_valid_context(scsicmd, fibptr))
3317                 return;
3318
3319         BUG_ON(fibptr == NULL);
3320
3321         dev = fibptr->dev;
3322
3323         srbreply = (struct aac_srb_reply *) fib_data(fibptr);
3324
3325         scsicmd->sense_buffer[0] = '\0';  /* Initialize sense valid flag to false */
3326
3327         if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) {
3328                 /* fast response */
3329                 srbreply->srb_status = cpu_to_le32(SRB_STATUS_SUCCESS);
3330                 srbreply->scsi_status = cpu_to_le32(SAM_STAT_GOOD);
3331         } else {
3332                 /*
3333                  *      Calculate resid for sg
3334                  */
3335                 scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
3336                                    - le32_to_cpu(srbreply->data_xfer_length));
3337         }
3338
3339
3340         scsi_dma_unmap(scsicmd);
3341
3342         /* expose physical device if expose_physicald flag is on */
3343         if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01)
3344           && expose_physicals > 0)
3345                 aac_expose_phy_device(scsicmd);
3346
3347         /*
3348          * First check the fib status
3349          */
3350
3351         if (le32_to_cpu(srbreply->status) != ST_OK) {
3352                 int len;
3353
3354                 pr_warn("aac_srb_callback: srb failed, status = %d\n",
3355                                 le32_to_cpu(srbreply->status));
3356                 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
3357                             SCSI_SENSE_BUFFERSIZE);
3358                 scsicmd->result = DID_ERROR << 16
3359                                 | COMMAND_COMPLETE << 8
3360                                 | SAM_STAT_CHECK_CONDITION;
3361                 memcpy(scsicmd->sense_buffer,
3362                                 srbreply->sense_data, len);
3363         }
3364
3365         /*
3366          * Next check the srb status
3367          */
3368         switch ((le32_to_cpu(srbreply->srb_status))&0x3f) {
3369         case SRB_STATUS_ERROR_RECOVERY:
3370         case SRB_STATUS_PENDING:
3371         case SRB_STATUS_SUCCESS:
3372                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
3373                 break;
3374         case SRB_STATUS_DATA_OVERRUN:
3375                 switch (scsicmd->cmnd[0]) {
3376                 case  READ_6:
3377                 case  WRITE_6:
3378                 case  READ_10:
3379                 case  WRITE_10:
3380                 case  READ_12:
3381                 case  WRITE_12:
3382                 case  READ_16:
3383                 case  WRITE_16:
3384                         if (le32_to_cpu(srbreply->data_xfer_length)
3385                                                 < scsicmd->underflow)
3386                                 pr_warn("aacraid: SCSI CMD underflow\n");
3387                         else
3388                                 pr_warn("aacraid: SCSI CMD Data Overrun\n");
3389                         scsicmd->result = DID_ERROR << 16
3390                                         | COMMAND_COMPLETE << 8;
3391                         break;
3392                 case INQUIRY:
3393                         scsicmd->result = DID_OK << 16
3394                                         | COMMAND_COMPLETE << 8;
3395                         break;
3396                 default:
3397                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
3398                         break;
3399                 }
3400                 break;
3401         case SRB_STATUS_ABORTED:
3402                 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
3403                 break;
3404         case SRB_STATUS_ABORT_FAILED:
3405                 /*
3406                  * Not sure about this one - but assuming the
3407                  * hba was trying to abort for some reason
3408                  */
3409                 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
3410                 break;
3411         case SRB_STATUS_PARITY_ERROR:
3412                 scsicmd->result = DID_PARITY << 16
3413                                 | MSG_PARITY_ERROR << 8;
3414                 break;
3415         case SRB_STATUS_NO_DEVICE:
3416         case SRB_STATUS_INVALID_PATH_ID:
3417         case SRB_STATUS_INVALID_TARGET_ID:
3418         case SRB_STATUS_INVALID_LUN:
3419         case SRB_STATUS_SELECTION_TIMEOUT:
3420                 scsicmd->result = DID_NO_CONNECT << 16
3421                                 | COMMAND_COMPLETE << 8;
3422                 break;
3423
3424         case SRB_STATUS_COMMAND_TIMEOUT:
3425         case SRB_STATUS_TIMEOUT:
3426                 scsicmd->result = DID_TIME_OUT << 16
3427                                 | COMMAND_COMPLETE << 8;
3428                 break;
3429
3430         case SRB_STATUS_BUSY:
3431                 scsicmd->result = DID_BUS_BUSY << 16
3432                                 | COMMAND_COMPLETE << 8;
3433                 break;
3434
3435         case SRB_STATUS_BUS_RESET:
3436                 scsicmd->result = DID_RESET << 16
3437                                 | COMMAND_COMPLETE << 8;
3438                 break;
3439
3440         case SRB_STATUS_MESSAGE_REJECTED:
3441                 scsicmd->result = DID_ERROR << 16
3442                                 | MESSAGE_REJECT << 8;
3443                 break;
3444         case SRB_STATUS_REQUEST_FLUSHED:
3445         case SRB_STATUS_ERROR:
3446         case SRB_STATUS_INVALID_REQUEST:
3447         case SRB_STATUS_REQUEST_SENSE_FAILED:
3448         case SRB_STATUS_NO_HBA:
3449         case SRB_STATUS_UNEXPECTED_BUS_FREE:
3450         case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
3451         case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
3452         case SRB_STATUS_DELAYED_RETRY:
3453         case SRB_STATUS_BAD_FUNCTION:
3454         case SRB_STATUS_NOT_STARTED:
3455         case SRB_STATUS_NOT_IN_USE:
3456         case SRB_STATUS_FORCE_ABORT:
3457         case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
3458         default:
3459 #ifdef AAC_DETAILED_STATUS_INFO
3460                 pr_info("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x -scsi status 0x%x\n",
3461                         le32_to_cpu(srbreply->srb_status) & 0x3F,
3462                         aac_get_status_string(
3463                                 le32_to_cpu(srbreply->srb_status) & 0x3F),
3464                         scsicmd->cmnd[0],
3465                         le32_to_cpu(srbreply->scsi_status));
3466 #endif
3467                 /*
3468                  * When the CC bit is SET by the host in ATA pass thru CDB,
3469                  *  driver is supposed to return DID_OK
3470                  *
3471                  * When the CC bit is RESET by the host, driver should
3472                  *  return DID_ERROR
3473                  */
3474                 if ((scsicmd->cmnd[0] == ATA_12)
3475                         || (scsicmd->cmnd[0] == ATA_16)) {
3476
3477                         if (scsicmd->cmnd[2] & (0x01 << 5)) {
3478                                 scsicmd->result = DID_OK << 16
3479                                         | COMMAND_COMPLETE << 8;
3480                         break;
3481                         } else {
3482                                 scsicmd->result = DID_ERROR << 16
3483                                         | COMMAND_COMPLETE << 8;
3484                         break;
3485                         }
3486                 } else {
3487                         scsicmd->result = DID_ERROR << 16
3488                                 | COMMAND_COMPLETE << 8;
3489                         break;
3490                 }
3491         }
3492         if (le32_to_cpu(srbreply->scsi_status)
3493                         == SAM_STAT_CHECK_CONDITION) {
3494                 int len;
3495
3496                 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
3497                 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
3498                             SCSI_SENSE_BUFFERSIZE);
3499 #ifdef AAC_DETAILED_STATUS_INFO
3500                 pr_warn("aac_srb_callback: check condition, status = %d len=%d\n",
3501                                         le32_to_cpu(srbreply->status), len);
3502 #endif
3503                 memcpy(scsicmd->sense_buffer,
3504                                 srbreply->sense_data, len);
3505         }
3506
3507         /*
3508          * OR in the scsi status (already shifted up a bit)
3509          */
3510         scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
3511
3512         aac_fib_complete(fibptr);
3513         scsicmd->scsi_done(scsicmd);
3514 }
3515
3516 static void hba_resp_task_complete(struct aac_dev *dev,
3517                                         struct scsi_cmnd *scsicmd,
3518                                         struct aac_hba_resp *err) {
3519
3520         scsicmd->result = err->status;
3521         /* set residual count */
3522         scsi_set_resid(scsicmd, le32_to_cpu(err->residual_count));
3523
3524         switch (err->status) {
3525         case SAM_STAT_GOOD:
3526                 scsicmd->result |= DID_OK << 16 | COMMAND_COMPLETE << 8;
3527                 break;
3528         case SAM_STAT_CHECK_CONDITION:
3529         {
3530                 int len;
3531
3532                 len = min_t(u8, err->sense_response_data_len,
3533                         SCSI_SENSE_BUFFERSIZE);
3534                 if (len)
3535                         memcpy(scsicmd->sense_buffer,
3536                                 err->sense_response_buf, len);
3537                 scsicmd->result |= DID_OK << 16 | COMMAND_COMPLETE << 8;
3538                 break;
3539         }
3540         case SAM_STAT_BUSY:
3541                 scsicmd->result |= DID_BUS_BUSY << 16 | COMMAND_COMPLETE << 8;
3542                 break;
3543         case SAM_STAT_TASK_ABORTED:
3544                 scsicmd->result |= DID_ABORT << 16 | ABORT << 8;
3545                 break;
3546         case SAM_STAT_RESERVATION_CONFLICT:
3547         case SAM_STAT_TASK_SET_FULL:
3548         default:
3549                 scsicmd->result |= DID_ERROR << 16 | COMMAND_COMPLETE << 8;
3550                 break;
3551         }
3552 }
3553
3554 static void hba_resp_task_failure(struct aac_dev *dev,
3555                                         struct scsi_cmnd *scsicmd,
3556                                         struct aac_hba_resp *err)
3557 {
3558         switch (err->status) {
3559         case HBA_RESP_STAT_HBAMODE_DISABLED:
3560         {
3561                 u32 bus, cid;
3562
3563                 bus = aac_logical_to_phys(scmd_channel(scsicmd));
3564                 cid = scmd_id(scsicmd);
3565                 if (dev->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
3566                         dev->hba_map[bus][cid].devtype = AAC_DEVTYPE_ARC_RAW;
3567                         dev->hba_map[bus][cid].rmw_nexus = 0xffffffff;
3568                 }
3569                 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
3570                 break;
3571         }
3572         case HBA_RESP_STAT_IO_ERROR:
3573         case HBA_RESP_STAT_NO_PATH_TO_DEVICE:
3574                 scsicmd->result = DID_OK << 16 |
3575                         COMMAND_COMPLETE << 8 | SAM_STAT_BUSY;
3576                 break;
3577         case HBA_RESP_STAT_IO_ABORTED:
3578                 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
3579                 break;
3580         case HBA_RESP_STAT_INVALID_DEVICE:
3581                 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
3582                 break;
3583         case HBA_RESP_STAT_UNDERRUN:
3584                 /* UNDERRUN is OK */
3585                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
3586                 break;
3587         case HBA_RESP_STAT_OVERRUN:
3588         default:
3589                 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
3590                 break;
3591         }
3592 }
3593
3594 /**
3595  *
3596  * aac_hba_callback
3597  * @context: the context set in the fib - here it is scsi cmd
3598  * @fibptr: pointer to the fib
3599  *
3600  * Handles the completion of a native HBA scsi command
3601  *
3602  */
3603 void aac_hba_callback(void *context, struct fib *fibptr)
3604 {
3605         struct aac_dev *dev;
3606         struct scsi_cmnd *scsicmd;
3607
3608         struct aac_hba_resp *err =
3609                         &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
3610
3611         scsicmd = (struct scsi_cmnd *) context;
3612
3613         if (!aac_valid_context(scsicmd, fibptr))
3614                 return;
3615
3616         WARN_ON(fibptr == NULL);
3617         dev = fibptr->dev;
3618
3619         if (!(fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA_TMF))
3620                 scsi_dma_unmap(scsicmd);
3621
3622         if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) {
3623                 /* fast response */
3624                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
3625                 goto out;
3626         }
3627
3628         switch (err->service_response) {
3629         case HBA_RESP_SVCRES_TASK_COMPLETE:
3630                 hba_resp_task_complete(dev, scsicmd, err);
3631                 break;
3632         case HBA_RESP_SVCRES_FAILURE:
3633                 hba_resp_task_failure(dev, scsicmd, err);
3634                 break;
3635         case HBA_RESP_SVCRES_TMF_REJECTED:
3636                 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
3637                 break;
3638         case HBA_RESP_SVCRES_TMF_LUN_INVALID:
3639                 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
3640                 break;
3641         case HBA_RESP_SVCRES_TMF_COMPLETE:
3642         case HBA_RESP_SVCRES_TMF_SUCCEEDED:
3643                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
3644                 break;
3645         default:
3646                 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
3647                 break;
3648         }
3649
3650 out:
3651         aac_fib_complete(fibptr);
3652
3653         if (fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA_TMF)
3654                 scsicmd->SCp.sent_command = 1;
3655         else
3656                 scsicmd->scsi_done(scsicmd);
3657 }
3658
3659 /**
3660  *
3661  * aac_send_srb_fib
3662  * @scsicmd: the scsi command block
3663  *
3664  * This routine will form a FIB and fill in the aac_srb from the
3665  * scsicmd passed in.
3666  */
3667
3668 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
3669 {
3670         struct fib* cmd_fibcontext;
3671         struct aac_dev* dev;
3672         int status;
3673
3674         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
3675         if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
3676                         scsicmd->device->lun > 7) {
3677                 scsicmd->result = DID_NO_CONNECT << 16;
3678                 scsicmd->scsi_done(scsicmd);
3679                 return 0;
3680         }
3681
3682         /*
3683          *      Allocate and initialize a Fib then setup a BlockWrite command
3684          */
3685         cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
3686         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
3687         status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
3688
3689         /*
3690          *      Check that the command queued to the controller
3691          */
3692         if (status == -EINPROGRESS)
3693                 return 0;
3694
3695         printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
3696         aac_fib_complete(cmd_fibcontext);
3697         aac_fib_free(cmd_fibcontext);
3698
3699         return -1;
3700 }
3701
3702 /**
3703  *
3704  * aac_send_hba_fib
3705  * @scsicmd: the scsi command block
3706  *
3707  * This routine will form a FIB and fill in the aac_hba_cmd_req from the
3708  * scsicmd passed in.
3709  */
3710 static int aac_send_hba_fib(struct scsi_cmnd *scsicmd)
3711 {
3712         struct fib *cmd_fibcontext;
3713         struct aac_dev *dev;
3714         int status;
3715
3716         dev = shost_priv(scsicmd->device->host);
3717         if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
3718                         scsicmd->device->lun > AAC_MAX_LUN - 1) {
3719                 scsicmd->result = DID_NO_CONNECT << 16;
3720                 scsicmd->scsi_done(scsicmd);
3721                 return 0;
3722         }
3723
3724         /*
3725          *      Allocate and initialize a Fib then setup a BlockWrite command
3726          */
3727         cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
3728         if (!cmd_fibcontext)
3729                 return -1;
3730
3731         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
3732         status = aac_adapter_hba(cmd_fibcontext, scsicmd);
3733
3734         /*
3735          *      Check that the command queued to the controller
3736          */
3737         if (status == -EINPROGRESS)
3738                 return 0;
3739
3740         pr_warn("aac_hba_cmd_req: aac_fib_send failed with status: %d\n",
3741                 status);
3742         aac_fib_complete(cmd_fibcontext);
3743         aac_fib_free(cmd_fibcontext);
3744
3745         return -1;
3746 }
3747
3748
3749 static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *psg)
3750 {
3751         struct aac_dev *dev;
3752         unsigned long byte_count = 0;
3753         int nseg;
3754         struct scatterlist *sg;
3755         int i;
3756
3757         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
3758         // Get rid of old data
3759         psg->count = 0;
3760         psg->sg[0].addr = 0;
3761         psg->sg[0].count = 0;
3762
3763         nseg = scsi_dma_map(scsicmd);
3764         if (nseg <= 0)
3765                 return nseg;
3766
3767         psg->count = cpu_to_le32(nseg);
3768
3769         scsi_for_each_sg(scsicmd, sg, nseg, i) {
3770                 psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
3771                 psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
3772                 byte_count += sg_dma_len(sg);
3773         }
3774         /* hba wants the size to be exact */
3775         if (byte_count > scsi_bufflen(scsicmd)) {
3776                 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3777                         (byte_count - scsi_bufflen(scsicmd));
3778                 psg->sg[i-1].count = cpu_to_le32(temp);
3779                 byte_count = scsi_bufflen(scsicmd);
3780         }
3781         /* Check for command underflow */
3782         if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
3783                 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3784                        byte_count, scsicmd->underflow);
3785         }
3786
3787         return byte_count;
3788 }
3789
3790
3791 static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg)
3792 {
3793         struct aac_dev *dev;
3794         unsigned long byte_count = 0;
3795         u64 addr;
3796         int nseg;
3797         struct scatterlist *sg;
3798         int i;
3799
3800         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
3801         // Get rid of old data
3802         psg->count = 0;
3803         psg->sg[0].addr[0] = 0;
3804         psg->sg[0].addr[1] = 0;
3805         psg->sg[0].count = 0;
3806
3807         nseg = scsi_dma_map(scsicmd);
3808         if (nseg <= 0)
3809                 return nseg;
3810
3811         scsi_for_each_sg(scsicmd, sg, nseg, i) {
3812                 int count = sg_dma_len(sg);
3813                 addr = sg_dma_address(sg);
3814                 psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
3815                 psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
3816                 psg->sg[i].count = cpu_to_le32(count);
3817                 byte_count += count;
3818         }
3819         psg->count = cpu_to_le32(nseg);
3820         /* hba wants the size to be exact */
3821         if (byte_count > scsi_bufflen(scsicmd)) {
3822                 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3823                         (byte_count - scsi_bufflen(scsicmd));
3824                 psg->sg[i-1].count = cpu_to_le32(temp);
3825                 byte_count = scsi_bufflen(scsicmd);
3826         }
3827         /* Check for command underflow */
3828         if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
3829                 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3830                        byte_count, scsicmd->underflow);
3831         }
3832
3833         return byte_count;
3834 }
3835
3836 static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg)
3837 {
3838         unsigned long byte_count = 0;
3839         int nseg;
3840         struct scatterlist *sg;
3841         int i;
3842
3843         // Get rid of old data
3844         psg->count = 0;
3845         psg->sg[0].next = 0;
3846         psg->sg[0].prev = 0;
3847         psg->sg[0].addr[0] = 0;
3848         psg->sg[0].addr[1] = 0;
3849         psg->sg[0].count = 0;
3850         psg->sg[0].flags = 0;
3851
3852         nseg = scsi_dma_map(scsicmd);
3853         if (nseg <= 0)
3854                 return nseg;
3855
3856         scsi_for_each_sg(scsicmd, sg, nseg, i) {
3857                 int count = sg_dma_len(sg);
3858                 u64 addr = sg_dma_address(sg);
3859                 psg->sg[i].next = 0;
3860                 psg->sg[i].prev = 0;
3861                 psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
3862                 psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
3863                 psg->sg[i].count = cpu_to_le32(count);
3864                 psg->sg[i].flags = 0;
3865                 byte_count += count;
3866         }
3867         psg->count = cpu_to_le32(nseg);
3868         /* hba wants the size to be exact */
3869         if (byte_count > scsi_bufflen(scsicmd)) {
3870                 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3871                         (byte_count - scsi_bufflen(scsicmd));
3872                 psg->sg[i-1].count = cpu_to_le32(temp);
3873                 byte_count = scsi_bufflen(scsicmd);
3874         }
3875         /* Check for command underflow */
3876         if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
3877                 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3878                        byte_count, scsicmd->underflow);
3879         }
3880
3881         return byte_count;
3882 }
3883
3884 static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
3885                                 struct aac_raw_io2 *rio2, int sg_max)
3886 {
3887         unsigned long byte_count = 0;
3888         int nseg;
3889         struct scatterlist *sg;
3890         int i, conformable = 0;
3891         u32 min_size = PAGE_SIZE, cur_size;
3892
3893         nseg = scsi_dma_map(scsicmd);
3894         if (nseg <= 0)
3895                 return nseg;
3896
3897         scsi_for_each_sg(scsicmd, sg, nseg, i) {
3898                 int count = sg_dma_len(sg);
3899                 u64 addr = sg_dma_address(sg);
3900
3901                 BUG_ON(i >= sg_max);
3902                 rio2->sge[i].addrHigh = cpu_to_le32((u32)(addr>>32));
3903                 rio2->sge[i].addrLow = cpu_to_le32((u32)(addr & 0xffffffff));
3904                 cur_size = cpu_to_le32(count);
3905                 rio2->sge[i].length = cur_size;
3906                 rio2->sge[i].flags = 0;
3907                 if (i == 0) {
3908                         conformable = 1;
3909                         rio2->sgeFirstSize = cur_size;
3910                 } else if (i == 1) {
3911                         rio2->sgeNominalSize = cur_size;
3912                         min_size = cur_size;
3913                 } else if ((i+1) < nseg && cur_size != rio2->sgeNominalSize) {
3914                         conformable = 0;
3915                         if (cur_size < min_size)
3916                                 min_size = cur_size;
3917                 }
3918                 byte_count += count;
3919         }
3920
3921         /* hba wants the size to be exact */
3922         if (byte_count > scsi_bufflen(scsicmd)) {
3923                 u32 temp = le32_to_cpu(rio2->sge[i-1].length) -
3924                         (byte_count - scsi_bufflen(scsicmd));
3925                 rio2->sge[i-1].length = cpu_to_le32(temp);
3926                 byte_count = scsi_bufflen(scsicmd);
3927         }
3928
3929         rio2->sgeCnt = cpu_to_le32(nseg);
3930         rio2->flags |= cpu_to_le16(RIO2_SG_FORMAT_IEEE1212);
3931         /* not conformable: evaluate required sg elements */
3932         if (!conformable) {
3933                 int j, nseg_new = nseg, err_found;
3934                 for (i = min_size / PAGE_SIZE; i >= 1; --i) {
3935                         err_found = 0;
3936                         nseg_new = 2;
3937                         for (j = 1; j < nseg - 1; ++j) {
3938                                 if (rio2->sge[j].length % (i*PAGE_SIZE)) {
3939                                         err_found = 1;
3940                                         break;
3941                                 }
3942                                 nseg_new += (rio2->sge[j].length / (i*PAGE_SIZE));
3943                         }
3944                         if (!err_found)
3945                                 break;
3946                 }
3947                 if (i > 0 && nseg_new <= sg_max) {
3948                         int ret = aac_convert_sgraw2(rio2, i, nseg, nseg_new);
3949
3950                         if (ret < 0)
3951                                 return ret;
3952                 }
3953         } else
3954                 rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
3955
3956         /* Check for command underflow */
3957         if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
3958                 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3959                        byte_count, scsicmd->underflow);
3960         }
3961
3962         return byte_count;
3963 }
3964
3965 static int aac_convert_sgraw2(struct aac_raw_io2 *rio2, int pages, int nseg, int nseg_new)
3966 {
3967         struct sge_ieee1212 *sge;
3968         int i, j, pos;
3969         u32 addr_low;
3970
3971         if (aac_convert_sgl == 0)
3972                 return 0;
3973
3974         sge = kmalloc(nseg_new * sizeof(struct sge_ieee1212), GFP_ATOMIC);
3975         if (sge == NULL)
3976                 return -ENOMEM;
3977
3978         for (i = 1, pos = 1; i < nseg-1; ++i) {
3979                 for (j = 0; j < rio2->sge[i].length / (pages * PAGE_SIZE); ++j) {
3980                         addr_low = rio2->sge[i].addrLow + j * pages * PAGE_SIZE;
3981                         sge[pos].addrLow = addr_low;
3982                         sge[pos].addrHigh = rio2->sge[i].addrHigh;
3983                         if (addr_low < rio2->sge[i].addrLow)
3984                                 sge[pos].addrHigh++;
3985                         sge[pos].length = pages * PAGE_SIZE;
3986                         sge[pos].flags = 0;
3987                         pos++;
3988                 }
3989         }
3990         sge[pos] = rio2->sge[nseg-1];
3991         memcpy(&rio2->sge[1], &sge[1], (nseg_new-1)*sizeof(struct sge_ieee1212));
3992
3993         kfree(sge);
3994         rio2->sgeCnt = cpu_to_le32(nseg_new);
3995         rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
3996         rio2->sgeNominalSize = pages * PAGE_SIZE;
3997         return 0;
3998 }
3999
4000 static long aac_build_sghba(struct scsi_cmnd *scsicmd,
4001                         struct aac_hba_cmd_req *hbacmd,
4002                         int sg_max,
4003                         u64 sg_address)
4004 {
4005         unsigned long byte_count = 0;
4006         int nseg;
4007         struct scatterlist *sg;
4008         int i;
4009         u32 cur_size;
4010         struct aac_hba_sgl *sge;
4011
4012         nseg = scsi_dma_map(scsicmd);
4013         if (nseg <= 0) {
4014                 byte_count = nseg;
4015                 goto out;
4016         }
4017
4018         if (nseg > HBA_MAX_SG_EMBEDDED)
4019                 sge = &hbacmd->sge[2];
4020         else
4021                 sge = &hbacmd->sge[0];
4022
4023         scsi_for_each_sg(scsicmd, sg, nseg, i) {
4024                 int count = sg_dma_len(sg);
4025                 u64 addr = sg_dma_address(sg);
4026
4027                 WARN_ON(i >= sg_max);
4028                 sge->addr_hi = cpu_to_le32((u32)(addr>>32));
4029                 sge->addr_lo = cpu_to_le32((u32)(addr & 0xffffffff));
4030                 cur_size = cpu_to_le32(count);
4031                 sge->len = cur_size;
4032                 sge->flags = 0;
4033                 byte_count += count;
4034                 sge++;
4035         }
4036
4037         sge--;
4038         /* hba wants the size to be exact */
4039         if (byte_count > scsi_bufflen(scsicmd)) {
4040                 u32 temp;
4041
4042                 temp = le32_to_cpu(sge->len) - byte_count
4043                                                 - scsi_bufflen(scsicmd);
4044                 sge->len = cpu_to_le32(temp);
4045                 byte_count = scsi_bufflen(scsicmd);
4046         }
4047
4048         if (nseg <= HBA_MAX_SG_EMBEDDED) {
4049                 hbacmd->emb_data_desc_count = cpu_to_le32(nseg);
4050                 sge->flags = cpu_to_le32(0x40000000);
4051         } else {
4052                 /* not embedded */
4053                 hbacmd->sge[0].flags = cpu_to_le32(0x80000000);
4054                 hbacmd->emb_data_desc_count = (u8)cpu_to_le32(1);
4055                 hbacmd->sge[0].addr_hi = (u32)cpu_to_le32(sg_address >> 32);
4056                 hbacmd->sge[0].addr_lo =
4057                         cpu_to_le32((u32)(sg_address & 0xffffffff));
4058         }
4059
4060         /* Check for command underflow */
4061         if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
4062                 pr_warn("aacraid: cmd len %08lX cmd underflow %08X\n",
4063                                 byte_count, scsicmd->underflow);
4064         }
4065 out:
4066         return byte_count;
4067 }
4068
4069 #ifdef AAC_DETAILED_STATUS_INFO
4070
4071 struct aac_srb_status_info {
4072         u32     status;
4073         char    *str;
4074 };
4075
4076
4077 static struct aac_srb_status_info srb_status_info[] = {
4078         { SRB_STATUS_PENDING,           "Pending Status"},
4079         { SRB_STATUS_SUCCESS,           "Success"},
4080         { SRB_STATUS_ABORTED,           "Aborted Command"},
4081         { SRB_STATUS_ABORT_FAILED,      "Abort Failed"},
4082         { SRB_STATUS_ERROR,             "Error Event"},
4083         { SRB_STATUS_BUSY,              "Device Busy"},
4084         { SRB_STATUS_INVALID_REQUEST,   "Invalid Request"},
4085         { SRB_STATUS_INVALID_PATH_ID,   "Invalid Path ID"},
4086         { SRB_STATUS_NO_DEVICE,         "No Device"},
4087         { SRB_STATUS_TIMEOUT,           "Timeout"},
4088         { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
4089         { SRB_STATUS_COMMAND_TIMEOUT,   "Command Timeout"},
4090         { SRB_STATUS_MESSAGE_REJECTED,  "Message Rejected"},
4091         { SRB_STATUS_BUS_RESET,         "Bus Reset"},
4092         { SRB_STATUS_PARITY_ERROR,      "Parity Error"},
4093         { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
4094         { SRB_STATUS_NO_HBA,            "No HBA"},
4095         { SRB_STATUS_DATA_OVERRUN,      "Data Overrun/Data Underrun"},
4096         { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
4097         { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
4098         { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
4099         { SRB_STATUS_REQUEST_FLUSHED,   "Request Flushed"},
4100         { SRB_STATUS_DELAYED_RETRY,     "Delayed Retry"},
4101         { SRB_STATUS_INVALID_LUN,       "Invalid LUN"},
4102         { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
4103         { SRB_STATUS_BAD_FUNCTION,      "Bad Function"},
4104         { SRB_STATUS_ERROR_RECOVERY,    "Error Recovery"},
4105         { SRB_STATUS_NOT_STARTED,       "Not Started"},
4106         { SRB_STATUS_NOT_IN_USE,        "Not In Use"},
4107         { SRB_STATUS_FORCE_ABORT,       "Force Abort"},
4108         { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
4109         { 0xff,                         "Unknown Error"}
4110 };
4111
4112 char *aac_get_status_string(u32 status)
4113 {
4114         int i;
4115
4116         for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
4117                 if (srb_status_info[i].status == status)
4118                         return srb_status_info[i].str;
4119
4120         return "Bad Status Code";
4121 }
4122
4123 #endif