kernel/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 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2, or (at your option)
  14  * any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; see the file COPYING.  If not, write to
  23  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  24  *
  25  */
  26
  27 #include <linux/kernel.h>
  28 #include <linux/init.h>
  29 #include <linux/types.h>
  30 #include <linux/pci.h>
  31 #include <linux/spinlock.h>
  32 #include <linux/slab.h>
  33 #include <linux/completion.h>
  34 #include <linux/blkdev.h>
  35 #include <asm/uaccess.h>
  36 #include <linux/highmem.h> /* For flush_kernel_dcache_page */
  37 #include <linux/module.h>
  38
  39 #include <scsi/scsi.h>
  40 #include <scsi/scsi_cmnd.h>
  41 #include <scsi/scsi_device.h>
  42 #include <scsi/scsi_host.h>
  43
  44 #include "aacraid.h"
  45
  46 /* values for inqd_pdt: Peripheral device type in plain English */
  47 #define INQD_PDT_DA     0x00    /* Direct-access (DISK) device */
  48 #define INQD_PDT_PROC   0x03    /* Processor device */
  49 #define INQD_PDT_CHNGR  0x08    /* Changer (jukebox, scsi2) */
  50 #define INQD_PDT_COMM   0x09    /* Communication device (scsi2) */
  51 #define INQD_PDT_NOLUN2 0x1f    /* Unknown Device (scsi2) */
  52 #define INQD_PDT_NOLUN  0x7f    /* Logical Unit Not Present */
  53
  54 #define INQD_PDT_DMASK  0x1F    /* Peripheral Device Type Mask */
  55 #define INQD_PDT_QMASK  0xE0    /* Peripheral Device Qualifer Mask */
  56
  57 /*
  58  *      Sense codes
  59  */
  60
  61 #define SENCODE_NO_SENSE                        0x00
  62 #define SENCODE_END_OF_DATA                     0x00
  63 #define SENCODE_BECOMING_READY                  0x04
  64 #define SENCODE_INIT_CMD_REQUIRED               0x04
  65 #define SENCODE_PARAM_LIST_LENGTH_ERROR         0x1A
  66 #define SENCODE_INVALID_COMMAND                 0x20
  67 #define SENCODE_LBA_OUT_OF_RANGE                0x21
  68 #define SENCODE_INVALID_CDB_FIELD               0x24
  69 #define SENCODE_LUN_NOT_SUPPORTED               0x25
  70 #define SENCODE_INVALID_PARAM_FIELD             0x26
  71 #define SENCODE_PARAM_NOT_SUPPORTED             0x26
  72 #define SENCODE_PARAM_VALUE_INVALID             0x26
  73 #define SENCODE_RESET_OCCURRED                  0x29
  74 #define SENCODE_LUN_NOT_SELF_CONFIGURED_YET     0x3E
  75 #define SENCODE_INQUIRY_DATA_CHANGED            0x3F
  76 #define SENCODE_SAVING_PARAMS_NOT_SUPPORTED     0x39
  77 #define SENCODE_DIAGNOSTIC_FAILURE              0x40
  78 #define SENCODE_INTERNAL_TARGET_FAILURE         0x44
  79 #define SENCODE_INVALID_MESSAGE_ERROR           0x49
  80 #define SENCODE_LUN_FAILED_SELF_CONFIG          0x4c
  81 #define SENCODE_OVERLAPPED_COMMAND              0x4E
  82
  83 /*
  84  *      Additional sense codes
  85  */
  86
  87 #define ASENCODE_NO_SENSE                       0x00
  88 #define ASENCODE_END_OF_DATA                    0x05
  89 #define ASENCODE_BECOMING_READY                 0x01
  90 #define ASENCODE_INIT_CMD_REQUIRED              0x02
  91 #define ASENCODE_PARAM_LIST_LENGTH_ERROR        0x00
  92 #define ASENCODE_INVALID_COMMAND                0x00
  93 #define ASENCODE_LBA_OUT_OF_RANGE               0x00
  94 #define ASENCODE_INVALID_CDB_FIELD              0x00
  95 #define ASENCODE_LUN_NOT_SUPPORTED              0x00
  96 #define ASENCODE_INVALID_PARAM_FIELD            0x00
  97 #define ASENCODE_PARAM_NOT_SUPPORTED            0x01
  98 #define ASENCODE_PARAM_VALUE_INVALID            0x02
  99 #define ASENCODE_RESET_OCCURRED                 0x00
 100 #define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET    0x00
 101 #define ASENCODE_INQUIRY_DATA_CHANGED           0x03
 102 #define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED    0x00
 103 #define ASENCODE_DIAGNOSTIC_FAILURE             0x80
 104 #define ASENCODE_INTERNAL_TARGET_FAILURE        0x00
 105 #define ASENCODE_INVALID_MESSAGE_ERROR          0x00
 106 #define ASENCODE_LUN_FAILED_SELF_CONFIG         0x00
 107 #define ASENCODE_OVERLAPPED_COMMAND             0x00
 108
 109 #define BYTE0(x) (unsigned char)(x)
 110 #define BYTE1(x) (unsigned char)((x) >> 8)
 111 #define BYTE2(x) (unsigned char)((x) >> 16)
 112 #define BYTE3(x) (unsigned char)((x) >> 24)
 113
 114 /* MODE_SENSE data format */
 115 typedef struct {
 116         struct {
 117                 u8      data_length;
 118                 u8      med_type;
 119                 u8      dev_par;
 120                 u8      bd_length;
 121         } __attribute__((packed)) hd;
 122         struct {
 123                 u8      dens_code;
 124                 u8      block_count[3];
 125                 u8      reserved;
 126                 u8      block_length[3];
 127         } __attribute__((packed)) bd;
 128                 u8      mpc_buf[3];
 129 } __attribute__((packed)) aac_modep_data;
 130
 131 /* MODE_SENSE_10 data format */
 132 typedef struct {
 133         struct {
 134                 u8      data_length[2];
 135                 u8      med_type;
 136                 u8      dev_par;
 137                 u8      rsrvd[2];
 138                 u8      bd_length[2];
 139         } __attribute__((packed)) hd;
 140         struct {
 141                 u8      dens_code;
 142                 u8      block_count[3];
 143                 u8      reserved;
 144                 u8      block_length[3];
 145         } __attribute__((packed)) bd;
 146                 u8      mpc_buf[3];
 147 } __attribute__((packed)) aac_modep10_data;
 148
 149 /*------------------------------------------------------------------------------
 150  *              S T R U C T S / T Y P E D E F S
 151  *----------------------------------------------------------------------------*/
 152 /* SCSI inquiry data */
 153 struct inquiry_data {
 154         u8 inqd_pdt;    /* Peripheral qualifier | Peripheral Device Type */
 155         u8 inqd_dtq;    /* RMB | Device Type Qualifier */
 156         u8 inqd_ver;    /* ISO version | ECMA version | ANSI-approved version */
 157         u8 inqd_rdf;    /* AENC | TrmIOP | Response data format */
 158         u8 inqd_len;    /* Additional length (n-4) */
 159         u8 inqd_pad1[2];/* Reserved - must be zero */
 160         u8 inqd_pad2;   /* RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
 161         u8 inqd_vid[8]; /* Vendor ID */
 162         u8 inqd_pid[16];/* Product ID */
 163         u8 inqd_prl[4]; /* Product Revision Level */
 164 };
 165
 166 /* Added for VPD 0x83 */
 167 typedef struct {
 168         u8 CodeSet:4;   /* VPD_CODE_SET */
 169         u8 Reserved:4;
 170         u8 IdentifierType:4;    /* VPD_IDENTIFIER_TYPE */
 171         u8 Reserved2:4;
 172         u8 Reserved3;
 173         u8 IdentifierLength;
 174         u8 VendId[8];
 175         u8 ProductId[16];
 176         u8 SerialNumber[8];     /* SN in ASCII */
 177
 178 } TVPD_ID_Descriptor_Type_1;
 179
 180 typedef struct {
 181         u8 CodeSet:4;   /* VPD_CODE_SET */
 182         u8 Reserved:4;
 183         u8 IdentifierType:4;    /* VPD_IDENTIFIER_TYPE */
 184         u8 Reserved2:4;
 185         u8 Reserved3;
 186         u8 IdentifierLength;
 187         struct TEU64Id {
 188                 u32 Serial;
 189                  /* The serial number supposed to be 40 bits,
 190                   * bit we only support 32, so make the last byte zero. */
 191                 u8 Reserved;
 192                 u8 VendId[3];
 193         } EU64Id;
 194
 195 } TVPD_ID_Descriptor_Type_2;
 196
 197 typedef struct {
 198         u8 DeviceType:5;
 199         u8 DeviceTypeQualifier:3;
 200         u8 PageCode;
 201         u8 Reserved;
 202         u8 PageLength;
 203         TVPD_ID_Descriptor_Type_1 IdDescriptorType1;
 204         TVPD_ID_Descriptor_Type_2 IdDescriptorType2;
 205
 206 } TVPD_Page83;
 207
 208 /*
 209  *              M O D U L E   G L O B A L S
 210  */
 211
 212 static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *sgmap);
 213 static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg);
 214 static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg);
 215 static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
 216                                 struct aac_raw_io2 *rio2, int sg_max);
 217 static int aac_convert_sgraw2(struct aac_raw_io2 *rio2,
 218                                 int pages, int nseg, int nseg_new);
 219 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
 220 #ifdef AAC_DETAILED_STATUS_INFO
 221 static char *aac_get_status_string(u32 status);
 222 #endif
 223
 224 /*
 225  *      Non dasd selection is handled entirely in aachba now
 226  */
 227
 228 static int nondasd = -1;
 229 static int aac_cache = 2;       /* WCE=0 to avoid performance problems */
 230 static int dacmode = -1;
 231 int aac_msi;
 232 int aac_commit = -1;
 233 int startup_timeout = 180;
 234 int aif_timeout = 120;
 235 int aac_sync_mode;  /* Only Sync. transfer - disabled */
 236 int aac_convert_sgl = 1;        /* convert non-conformable s/g list - enabled */
 237
 238 module_param(aac_sync_mode, int, S_IRUGO|S_IWUSR);
 239 MODULE_PARM_DESC(aac_sync_mode, "Force sync. transfer mode"
 240         " 0=off, 1=on");
 241 module_param(aac_convert_sgl, int, S_IRUGO|S_IWUSR);
 242 MODULE_PARM_DESC(aac_convert_sgl, "Convert non-conformable s/g list"
 243         " 0=off, 1=on");
 244 module_param(nondasd, int, S_IRUGO|S_IWUSR);
 245 MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices."
 246         " 0=off, 1=on");
 247 module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR);
 248 MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n"
 249         "\tbit 0 - Disable FUA in WRITE SCSI commands\n"
 250         "\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n"
 251         "\tbit 2 - Disable only if Battery is protecting Cache");
 252 module_param(dacmode, int, S_IRUGO|S_IWUSR);
 253 MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC."
 254         " 0=off, 1=on");
 255 module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
 256 MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the"
 257         " adapter for foreign arrays.\n"
 258         "This is typically needed in systems that do not have a BIOS."
 259         " 0=off, 1=on");
 260 module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR);
 261 MODULE_PARM_DESC(msi, "IRQ handling."
 262         " 0=PIC(default), 1=MSI, 2=MSI-X(unsupported, uses MSI)");
 263 module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
 264 MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for"
 265         " adapter to have it's kernel up and\n"
 266         "running. This is typically adjusted for large systems that do not"
 267         " have a BIOS.");
 268 module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
 269 MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for"
 270         " applications to pick up AIFs before\n"
 271         "deregistering them. This is typically adjusted for heavily burdened"
 272         " systems.");
 273
 274 int numacb = -1;
 275 module_param(numacb, int, S_IRUGO|S_IWUSR);
 276 MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control"
 277         " blocks (FIB) allocated. Valid values are 512 and down. Default is"
 278         " to use suggestion from Firmware.");
 279
 280 int acbsize = -1;
 281 module_param(acbsize, int, S_IRUGO|S_IWUSR);
 282 MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB)"
 283         " size. Valid values are 512, 2048, 4096 and 8192. Default is to use"
 284         " suggestion from Firmware.");
 285
 286 int update_interval = 30 * 60;
 287 module_param(update_interval, int, S_IRUGO|S_IWUSR);
 288 MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync"
 289         " updates issued to adapter.");
 290
 291 int check_interval = 24 * 60 * 60;
 292 module_param(check_interval, int, S_IRUGO|S_IWUSR);
 293 MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
 294         " checks.");
 295
 296 int aac_check_reset = 1;
 297 module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
 298 MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the"
 299         " adapter. a value of -1 forces the reset to adapters programmed to"
 300         " ignore it.");
 301
 302 int expose_physicals = -1;
 303 module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
 304 MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays."
 305         " -1=protect 0=off, 1=on");
 306
 307 int aac_reset_devices;
 308 module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
 309 MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
 310
 311 int aac_wwn = 1;
 312 module_param_named(wwn, aac_wwn, int, S_IRUGO|S_IWUSR);
 313 MODULE_PARM_DESC(wwn, "Select a WWN type for the arrays:\n"
 314         "\t0 - Disable\n"
 315         "\t1 - Array Meta Data Signature (default)\n"
 316         "\t2 - Adapter Serial Number");
 317
 318
 319 static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
 320                 struct fib *fibptr) {
 321         struct scsi_device *device;
 322
 323         if (unlikely(!scsicmd || !scsicmd->scsi_done)) {
 324                 dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"));
 325                 aac_fib_complete(fibptr);
 326                 aac_fib_free(fibptr);
 327                 return 0;
 328         }
 329         scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
 330         device = scsicmd->device;
 331         if (unlikely(!device || !scsi_device_online(device))) {
 332                 dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
 333                 aac_fib_complete(fibptr);
 334                 aac_fib_free(fibptr);
 335                 return 0;
 336         }
 337         return 1;
 338 }
 339
 340 /**
 341  *      aac_get_config_status   -       check the adapter configuration
 342  *      @common: adapter to query
 343  *
 344  *      Query config status, and commit the configuration if needed.
 345  */
 346 int aac_get_config_status(struct aac_dev *dev, int commit_flag)
 347 {
 348         int status = 0;
 349         struct fib * fibptr;
 350
 351         if (!(fibptr = aac_fib_alloc(dev)))
 352                 return -ENOMEM;
 353
 354         aac_fib_init(fibptr);
 355         {
 356                 struct aac_get_config_status *dinfo;
 357                 dinfo = (struct aac_get_config_status *) fib_data(fibptr);
 358
 359                 dinfo->command = cpu_to_le32(VM_ContainerConfig);
 360                 dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
 361                 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
 362         }
 363
 364         status = aac_fib_send(ContainerCommand,
 365                             fibptr,
 366                             sizeof (struct aac_get_config_status),
 367                             FsaNormal,
 368                             1, 1,
 369                             NULL, NULL);
 370         if (status < 0) {
 371                 printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
 372         } else {
 373                 struct aac_get_config_status_resp *reply
 374                   = (struct aac_get_config_status_resp *) fib_data(fibptr);
 375                 dprintk((KERN_WARNING
 376                   "aac_get_config_status: response=%d status=%d action=%d\n",
 377                   le32_to_cpu(reply->response),
 378                   le32_to_cpu(reply->status),
 379                   le32_to_cpu(reply->data.action)));
 380                 if ((le32_to_cpu(reply->response) != ST_OK) ||
 381                      (le32_to_cpu(reply->status) != CT_OK) ||
 382                      (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
 383                         printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
 384                         status = -EINVAL;
 385                 }
 386         }
 387         /* Do not set XferState to zero unless receives a response from F/W */
 388         if (status >= 0)
 389                 aac_fib_complete(fibptr);
 390
 391         /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
 392         if (status >= 0) {
 393                 if ((aac_commit == 1) || commit_flag) {
 394                         struct aac_commit_config * dinfo;
 395                         aac_fib_init(fibptr);
 396                         dinfo = (struct aac_commit_config *) fib_data(fibptr);
 397
 398                         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 399                         dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
 400
 401                         status = aac_fib_send(ContainerCommand,
 402                                     fibptr,
 403                                     sizeof (struct aac_commit_config),
 404                                     FsaNormal,
 405                                     1, 1,
 406                                     NULL, NULL);
 407                         /* Do not set XferState to zero unless
 408                          * receives a response from F/W */
 409                         if (status >= 0)
 410                                 aac_fib_complete(fibptr);
 411                 } else if (aac_commit == 0) {
 412                         printk(KERN_WARNING
 413                           "aac_get_config_status: Foreign device configurations are being ignored\n");
 414                 }
 415         }
 416         /* FIB should be freed only after getting the response from the F/W */
 417         if (status != -ERESTARTSYS)
 418                 aac_fib_free(fibptr);
 419         return status;
 420 }
 421
 422 static void aac_expose_phy_device(struct scsi_cmnd *scsicmd)
 423 {
 424         char inq_data;
 425         scsi_sg_copy_to_buffer(scsicmd,  &inq_data, sizeof(inq_data));
 426         if ((inq_data & 0x20) && (inq_data & 0x1f) == TYPE_DISK) {
 427                 inq_data &= 0xdf;
 428                 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
 429         }
 430 }
 431
 432 /**
 433  *      aac_get_containers      -       list containers
 434  *      @common: adapter to probe
 435  *
 436  *      Make a list of all containers on this controller
 437  */
 438 int aac_get_containers(struct aac_dev *dev)
 439 {
 440         struct fsa_dev_info *fsa_dev_ptr;
 441         u32 index;
 442         int status = 0;
 443         struct fib * fibptr;
 444         struct aac_get_container_count *dinfo;
 445         struct aac_get_container_count_resp *dresp;
 446         int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 447
 448         if (!(fibptr = aac_fib_alloc(dev)))
 449                 return -ENOMEM;
 450
 451         aac_fib_init(fibptr);
 452         dinfo = (struct aac_get_container_count *) fib_data(fibptr);
 453         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 454         dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
 455
 456         status = aac_fib_send(ContainerCommand,
 457                     fibptr,
 458                     sizeof (struct aac_get_container_count),
 459                     FsaNormal,
 460                     1, 1,
 461                     NULL, NULL);
 462         if (status >= 0) {
 463                 dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
 464                 maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
 465                 if (fibptr->dev->supplement_adapter_info.SupportedOptions2 &
 466                     AAC_OPTION_SUPPORTED_240_VOLUMES) {
 467                         maximum_num_containers =
 468                                 le32_to_cpu(dresp->MaxSimpleVolumes);
 469                 }
 470                 aac_fib_complete(fibptr);
 471         }
 472         /* FIB should be freed only after getting the response from the F/W */
 473         if (status != -ERESTARTSYS)
 474                 aac_fib_free(fibptr);
 475
 476         if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
 477                 maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 478         fsa_dev_ptr = kzalloc(sizeof(*fsa_dev_ptr) * maximum_num_containers,
 479                         GFP_KERNEL);
 480         if (!fsa_dev_ptr)
 481                 return -ENOMEM;
 482
 483         dev->fsa_dev = fsa_dev_ptr;
 484         dev->maximum_num_containers = maximum_num_containers;
 485
 486         for (index = 0; index < dev->maximum_num_containers; ) {
 487                 fsa_dev_ptr[index].devname[0] = '\0';
 488
 489                 status = aac_probe_container(dev, index);
 490
 491                 if (status < 0) {
 492                         printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
 493                         break;
 494                 }
 495
 496                 /*
 497                  *      If there are no more containers, then stop asking.
 498                  */
 499                 if (++index >= status)
 500                         break;
 501         }
 502         return status;
 503 }
 504
 505 static void get_container_name_callback(void *context, struct fib * fibptr)
 506 {
 507         struct aac_get_name_resp * get_name_reply;
 508         struct scsi_cmnd * scsicmd;
 509
 510         scsicmd = (struct scsi_cmnd *) context;
 511
 512         if (!aac_valid_context(scsicmd, fibptr))
 513                 return;
 514
 515         dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
 516         BUG_ON(fibptr == NULL);
 517
 518         get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
 519         /* Failure is irrelevant, using default value instead */
 520         if ((le32_to_cpu(get_name_reply->status) == CT_OK)
 521          && (get_name_reply->data[0] != '\0')) {
 522                 char *sp = get_name_reply->data;
 523                 sp[sizeof(((struct aac_get_name_resp *)NULL)->data)] = '\0';
 524                 while (*sp == ' ')
 525                         ++sp;
 526                 if (*sp) {
 527                         struct inquiry_data inq;
 528                         char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
 529                         int count = sizeof(d);
 530                         char *dp = d;
 531                         do {
 532                                 *dp++ = (*sp) ? *sp++ : ' ';
 533                         } while (--count > 0);
 534
 535                         scsi_sg_copy_to_buffer(scsicmd, &inq, sizeof(inq));
 536                         memcpy(inq.inqd_pid, d, sizeof(d));
 537                         scsi_sg_copy_from_buffer(scsicmd, &inq, sizeof(inq));
 538                 }
 539         }
 540
 541         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 542
 543         aac_fib_complete(fibptr);
 544         aac_fib_free(fibptr);
 545         scsicmd->scsi_done(scsicmd);
 546 }
 547
 548 /**
 549  *      aac_get_container_name  -       get container name, none blocking.
 550  */
 551 static int aac_get_container_name(struct scsi_cmnd * scsicmd)
 552 {
 553         int status;
 554         struct aac_get_name *dinfo;
 555         struct fib * cmd_fibcontext;
 556         struct aac_dev * dev;
 557
 558         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 559
 560         if (!(cmd_fibcontext = aac_fib_alloc(dev)))
 561                 return -ENOMEM;
 562
 563         aac_fib_init(cmd_fibcontext);
 564         dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
 565
 566         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 567         dinfo->type = cpu_to_le32(CT_READ_NAME);
 568         dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
 569         dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data));
 570
 571         status = aac_fib_send(ContainerCommand,
 572                   cmd_fibcontext,
 573                   sizeof (struct aac_get_name),
 574                   FsaNormal,
 575                   0, 1,
 576                   (fib_callback)get_container_name_callback,
 577                   (void *) scsicmd);
 578
 579         /*
 580          *      Check that the command queued to the controller
 581          */
 582         if (status == -EINPROGRESS) {
 583                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 584                 return 0;
 585         }
 586
 587         printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
 588         aac_fib_complete(cmd_fibcontext);
 589         aac_fib_free(cmd_fibcontext);
 590         return -1;
 591 }
 592
 593 static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
 594 {
 595         struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 596
 597         if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1))
 598                 return aac_scsi_cmd(scsicmd);
 599
 600         scsicmd->result = DID_NO_CONNECT << 16;
 601         scsicmd->scsi_done(scsicmd);
 602         return 0;
 603 }
 604
 605 static void _aac_probe_container2(void * context, struct fib * fibptr)
 606 {
 607         struct fsa_dev_info *fsa_dev_ptr;
 608         int (*callback)(struct scsi_cmnd *);
 609         struct scsi_cmnd * scsicmd = (struct scsi_cmnd *)context;
 610
 611
 612         if (!aac_valid_context(scsicmd, fibptr))
 613                 return;
 614
 615         scsicmd->SCp.Status = 0;
 616         fsa_dev_ptr = fibptr->dev->fsa_dev;
 617         if (fsa_dev_ptr) {
 618                 struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
 619                 fsa_dev_ptr += scmd_id(scsicmd);
 620
 621                 if ((le32_to_cpu(dresp->status) == ST_OK) &&
 622                     (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
 623                     (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
 624                         if (!(fibptr->dev->supplement_adapter_info.SupportedOptions2 &
 625                             AAC_OPTION_VARIABLE_BLOCK_SIZE)) {
 626                                 dresp->mnt[0].fileinfo.bdevinfo.block_size = 0x200;
 627                                 fsa_dev_ptr->block_size = 0x200;
 628                         } else {
 629                                 fsa_dev_ptr->block_size =
 630                                         le32_to_cpu(dresp->mnt[0].fileinfo.bdevinfo.block_size);
 631                         }
 632                         fsa_dev_ptr->valid = 1;
 633                         /* sense_key holds the current state of the spin-up */
 634                         if (dresp->mnt[0].state & cpu_to_le32(FSCS_NOT_READY))
 635                                 fsa_dev_ptr->sense_data.sense_key = NOT_READY;
 636                         else if (fsa_dev_ptr->sense_data.sense_key == NOT_READY)
 637                                 fsa_dev_ptr->sense_data.sense_key = NO_SENSE;
 638                         fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
 639                         fsa_dev_ptr->size
 640                           = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
 641                             (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
 642                         fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0);
 643                 }
 644                 if ((fsa_dev_ptr->valid & 1) == 0)
 645                         fsa_dev_ptr->valid = 0;
 646                 scsicmd->SCp.Status = le32_to_cpu(dresp->count);
 647         }
 648         aac_fib_complete(fibptr);
 649         aac_fib_free(fibptr);
 650         callback = (int (*)(struct scsi_cmnd *))(scsicmd->SCp.ptr);
 651         scsicmd->SCp.ptr = NULL;
 652         (*callback)(scsicmd);
 653         return;
 654 }
 655
 656 static void _aac_probe_container1(void * context, struct fib * fibptr)
 657 {
 658         struct scsi_cmnd * scsicmd;
 659         struct aac_mount * dresp;
 660         struct aac_query_mount *dinfo;
 661         int status;
 662
 663         dresp = (struct aac_mount *) fib_data(fibptr);
 664         if (!(fibptr->dev->supplement_adapter_info.SupportedOptions2 &
 665             AAC_OPTION_VARIABLE_BLOCK_SIZE))
 666                 dresp->mnt[0].capacityhigh = 0;
 667         if ((le32_to_cpu(dresp->status) != ST_OK) ||
 668             (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
 669                 _aac_probe_container2(context, fibptr);
 670                 return;
 671         }
 672         scsicmd = (struct scsi_cmnd *) context;
 673
 674         if (!aac_valid_context(scsicmd, fibptr))
 675                 return;
 676
 677         aac_fib_init(fibptr);
 678
 679         dinfo = (struct aac_query_mount *)fib_data(fibptr);
 680
 681         if (fibptr->dev->supplement_adapter_info.SupportedOptions2 &
 682             AAC_OPTION_VARIABLE_BLOCK_SIZE)
 683                 dinfo->command = cpu_to_le32(VM_NameServeAllBlk);
 684         else
 685                 dinfo->command = cpu_to_le32(VM_NameServe64);
 686
 687         dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 688         dinfo->type = cpu_to_le32(FT_FILESYS);
 689
 690         status = aac_fib_send(ContainerCommand,
 691                           fibptr,
 692                           sizeof(struct aac_query_mount),
 693                           FsaNormal,
 694                           0, 1,
 695                           _aac_probe_container2,
 696                           (void *) scsicmd);
 697         /*
 698          *      Check that the command queued to the controller
 699          */
 700         if (status == -EINPROGRESS)
 701                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 702         else if (status < 0) {
 703                 /* Inherit results from VM_NameServe, if any */
 704                 dresp->status = cpu_to_le32(ST_OK);
 705                 _aac_probe_container2(context, fibptr);
 706         }
 707 }
 708
 709 static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
 710 {
 711         struct fib * fibptr;
 712         int status = -ENOMEM;
 713
 714         if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
 715                 struct aac_query_mount *dinfo;
 716
 717                 aac_fib_init(fibptr);
 718
 719                 dinfo = (struct aac_query_mount *)fib_data(fibptr);
 720
 721                 if (fibptr->dev->supplement_adapter_info.SupportedOptions2 &
 722                     AAC_OPTION_VARIABLE_BLOCK_SIZE)
 723                         dinfo->command = cpu_to_le32(VM_NameServeAllBlk);
 724                 else
 725                         dinfo->command = cpu_to_le32(VM_NameServe);
 726
 727                 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 728                 dinfo->type = cpu_to_le32(FT_FILESYS);
 729                 scsicmd->SCp.ptr = (char *)callback;
 730
 731                 status = aac_fib_send(ContainerCommand,
 732                           fibptr,
 733                           sizeof(struct aac_query_mount),
 734                           FsaNormal,
 735                           0, 1,
 736                           _aac_probe_container1,
 737                           (void *) scsicmd);
 738                 /*
 739                  *      Check that the command queued to the controller
 740                  */
 741                 if (status == -EINPROGRESS) {
 742                         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
 743                         return 0;
 744                 }
 745                 if (status < 0) {
 746                         scsicmd->SCp.ptr = NULL;
 747                         aac_fib_complete(fibptr);
 748                         aac_fib_free(fibptr);
 749                 }
 750         }
 751         if (status < 0) {
 752                 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 753                 if (fsa_dev_ptr) {
 754                         fsa_dev_ptr += scmd_id(scsicmd);
 755                         if ((fsa_dev_ptr->valid & 1) == 0) {
 756                                 fsa_dev_ptr->valid = 0;
 757                                 return (*callback)(scsicmd);
 758                         }
 759                 }
 760         }
 761         return status;
 762 }
 763
 764 /**
 765  *      aac_probe_container             -       query a logical volume
 766  *      @dev: device to query
 767  *      @cid: container identifier
 768  *
 769  *      Queries the controller about the given volume. The volume information
 770  *      is updated in the struct fsa_dev_info structure rather than returned.
 771  */
 772 static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
 773 {
 774         scsicmd->device = NULL;
 775         return 0;
 776 }
 777
 778 int aac_probe_container(struct aac_dev *dev, int cid)
 779 {
 780         struct scsi_cmnd *scsicmd = kmalloc(sizeof(*scsicmd), GFP_KERNEL);
 781         struct scsi_device *scsidev = kmalloc(sizeof(*scsidev), GFP_KERNEL);
 782         int status;
 783
 784         if (!scsicmd || !scsidev) {
 785                 kfree(scsicmd);
 786                 kfree(scsidev);
 787                 return -ENOMEM;
 788         }
 789         scsicmd->list.next = NULL;
 790         scsicmd->scsi_done = (void (*)(struct scsi_cmnd*))aac_probe_container_callback1;
 791
 792         scsicmd->device = scsidev;
 793         scsidev->sdev_state = 0;
 794         scsidev->id = cid;
 795         scsidev->host = dev->scsi_host_ptr;
 796
 797         if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
 798                 while (scsicmd->device == scsidev)
 799                         schedule();
 800         kfree(scsidev);
 801         status = scsicmd->SCp.Status;
 802         kfree(scsicmd);
 803         return status;
 804 }
 805
 806 /* Local Structure to set SCSI inquiry data strings */
 807 struct scsi_inq {
 808         char vid[8];         /* Vendor ID */
 809         char pid[16];        /* Product ID */
 810         char prl[4];         /* Product Revision Level */
 811 };
 812
 813 /**
 814  *      InqStrCopy      -       string merge
 815  *      @a:     string to copy from
 816  *      @b:     string to copy to
 817  *
 818  *      Copy a String from one location to another
 819  *      without copying \0
 820  */
 821
 822 static void inqstrcpy(char *a, char *b)
 823 {
 824
 825         while (*a != (char)0)
 826                 *b++ = *a++;
 827 }
 828
 829 static char *container_types[] = {
 830         "None",
 831         "Volume",
 832         "Mirror",
 833         "Stripe",
 834         "RAID5",
 835         "SSRW",
 836         "SSRO",
 837         "Morph",
 838         "Legacy",
 839         "RAID4",
 840         "RAID10",
 841         "RAID00",
 842         "V-MIRRORS",
 843         "PSEUDO R4",
 844         "RAID50",
 845         "RAID5D",
 846         "RAID5D0",
 847         "RAID1E",
 848         "RAID6",
 849         "RAID60",
 850         "Unknown"
 851 };
 852
 853 char * get_container_type(unsigned tindex)
 854 {
 855         if (tindex >= ARRAY_SIZE(container_types))
 856                 tindex = ARRAY_SIZE(container_types) - 1;
 857         return container_types[tindex];
 858 }
 859
 860 /* Function: setinqstr
 861  *
 862  * Arguments: [1] pointer to void [1] int
 863  *
 864  * Purpose: Sets SCSI inquiry data strings for vendor, product
 865  * and revision level. Allows strings to be set in platform dependent
 866  * files instead of in OS dependent driver source.
 867  */
 868
 869 static void setinqstr(struct aac_dev *dev, void *data, int tindex)
 870 {
 871         struct scsi_inq *str;
 872
 873         str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
 874         memset(str, ' ', sizeof(*str));
 875
 876         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 877                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 878                 int c;
 879                 if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C'))
 880                         inqstrcpy("SMC", str->vid);
 881                 else {
 882                         c = sizeof(str->vid);
 883                         while (*cp && *cp != ' ' && --c)
 884                                 ++cp;
 885                         c = *cp;
 886                         *cp = '\0';
 887                         inqstrcpy (dev->supplement_adapter_info.AdapterTypeText,
 888                                    str->vid);
 889                         *cp = c;
 890                         while (*cp && *cp != ' ')
 891                                 ++cp;
 892                 }
 893                 while (*cp == ' ')
 894                         ++cp;
 895                 /* last six chars reserved for vol type */
 896                 c = 0;
 897                 if (strlen(cp) > sizeof(str->pid)) {
 898                         c = cp[sizeof(str->pid)];
 899                         cp[sizeof(str->pid)] = '\0';
 900                 }
 901                 inqstrcpy (cp, str->pid);
 902                 if (c)
 903                         cp[sizeof(str->pid)] = c;
 904         } else {
 905                 struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
 906
 907                 inqstrcpy (mp->vname, str->vid);
 908                 /* last six chars reserved for vol type */
 909                 inqstrcpy (mp->model, str->pid);
 910         }
 911
 912         if (tindex < ARRAY_SIZE(container_types)){
 913                 char *findit = str->pid;
 914
 915                 for ( ; *findit != ' '; findit++); /* walk till we find a space */
 916                 /* RAID is superfluous in the context of a RAID device */
 917                 if (memcmp(findit-4, "RAID", 4) == 0)
 918                         *(findit -= 4) = ' ';
 919                 if (((findit - str->pid) + strlen(container_types[tindex]))
 920                  < (sizeof(str->pid) + sizeof(str->prl)))
 921                         inqstrcpy (container_types[tindex], findit + 1);
 922         }
 923         inqstrcpy ("V1.0", str->prl);
 924 }
 925
 926 static void get_container_serial_callback(void *context, struct fib * fibptr)
 927 {
 928         struct aac_get_serial_resp * get_serial_reply;
 929         struct scsi_cmnd * scsicmd;
 930
 931         BUG_ON(fibptr == NULL);
 932
 933         scsicmd = (struct scsi_cmnd *) context;
 934         if (!aac_valid_context(scsicmd, fibptr))
 935                 return;
 936
 937         get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr);
 938         /* Failure is irrelevant, using default value instead */
 939         if (le32_to_cpu(get_serial_reply->status) == CT_OK) {
 940                 /*Check to see if it's for VPD 0x83 or 0x80 */
 941                 if (scsicmd->cmnd[2] == 0x83) {
 942                         /* vpd page 0x83 - Device Identification Page */
 943                         int i;
 944                         TVPD_Page83 VPDPage83Data;
 945
 946                         memset(((u8 *)&VPDPage83Data), 0,
 947                                sizeof(VPDPage83Data));
 948
 949                         /* DIRECT_ACCESS_DEVIC */
 950                         VPDPage83Data.DeviceType = 0;
 951                         /* DEVICE_CONNECTED */
 952                         VPDPage83Data.DeviceTypeQualifier = 0;
 953                         /* VPD_DEVICE_IDENTIFIERS */
 954                         VPDPage83Data.PageCode = 0x83;
 955                         VPDPage83Data.Reserved = 0;
 956                         VPDPage83Data.PageLength =
 957                                 sizeof(VPDPage83Data.IdDescriptorType1) +
 958                                 sizeof(VPDPage83Data.IdDescriptorType2);
 959
 960                         /* T10 Vendor Identifier Field Format */
 961                         /* VpdCodeSetAscii */
 962                         VPDPage83Data.IdDescriptorType1.CodeSet = 2;
 963                         /* VpdIdentifierTypeVendorId */
 964                         VPDPage83Data.IdDescriptorType1.IdentifierType = 1;
 965                         VPDPage83Data.IdDescriptorType1.IdentifierLength =
 966                                 sizeof(VPDPage83Data.IdDescriptorType1) - 4;
 967
 968                         /* "ADAPTEC " for adaptec */
 969                         memcpy(VPDPage83Data.IdDescriptorType1.VendId,
 970                                 "ADAPTEC ",
 971                                 sizeof(VPDPage83Data.IdDescriptorType1.VendId));
 972                         memcpy(VPDPage83Data.IdDescriptorType1.ProductId,
 973                                 "ARRAY           ",
 974                                 sizeof(
 975                                 VPDPage83Data.IdDescriptorType1.ProductId));
 976
 977                         /* Convert to ascii based serial number.
 978                          * The LSB is the the end.
 979                          */
 980                         for (i = 0; i < 8; i++) {
 981                                 u8 temp =
 982                                         (u8)((get_serial_reply->uid >> ((7 - i) * 4)) & 0xF);
 983                                 if (temp  > 0x9) {
 984                                         VPDPage83Data.IdDescriptorType1.SerialNumber[i] =
 985                                                         'A' + (temp - 0xA);
 986                                 } else {
 987                                         VPDPage83Data.IdDescriptorType1.SerialNumber[i] =
 988                                                         '0' + temp;
 989                                 }
 990                         }
 991
 992                         /* VpdCodeSetBinary */
 993                         VPDPage83Data.IdDescriptorType2.CodeSet = 1;
 994                         /* VpdIdentifierTypeEUI64 */
 995                         VPDPage83Data.IdDescriptorType2.IdentifierType = 2;
 996                         VPDPage83Data.IdDescriptorType2.IdentifierLength =
 997                                 sizeof(VPDPage83Data.IdDescriptorType2) - 4;
 998
 999                         VPDPage83Data.IdDescriptorType2.EU64Id.VendId[0] = 0xD0;
1000                         VPDPage83Data.IdDescriptorType2.EU64Id.VendId[1] = 0;
1001                         VPDPage83Data.IdDescriptorType2.EU64Id.VendId[2] = 0;
1002
1003                         VPDPage83Data.IdDescriptorType2.EU64Id.Serial =
1004                                                         get_serial_reply->uid;
1005                         VPDPage83Data.IdDescriptorType2.EU64Id.Reserved = 0;
1006
1007                         /* Move the inquiry data to the response buffer. */
1008                         scsi_sg_copy_from_buffer(scsicmd, &VPDPage83Data,
1009                                                  sizeof(VPDPage83Data));
1010                 } else {
1011                         /* It must be for VPD 0x80 */
1012                         char sp[13];
1013                         /* EVPD bit set */
1014                         sp[0] = INQD_PDT_DA;
1015                         sp[1] = scsicmd->cmnd[2];
1016                         sp[2] = 0;
1017                         sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
1018                                 le32_to_cpu(get_serial_reply->uid));
1019                         scsi_sg_copy_from_buffer(scsicmd, sp,
1020                                                  sizeof(sp));
1021                 }
1022         }
1023
1024         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
1025
1026         aac_fib_complete(fibptr);
1027         aac_fib_free(fibptr);
1028         scsicmd->scsi_done(scsicmd);
1029 }
1030
1031 /**
1032  *      aac_get_container_serial - get container serial, none blocking.
1033  */
1034 static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
1035 {
1036         int status;
1037         struct aac_get_serial *dinfo;
1038         struct fib * cmd_fibcontext;
1039         struct aac_dev * dev;
1040
1041         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1042
1043         if (!(cmd_fibcontext = aac_fib_alloc(dev)))
1044                 return -ENOMEM;
1045
1046         aac_fib_init(cmd_fibcontext);
1047         dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext);
1048
1049         dinfo->command = cpu_to_le32(VM_ContainerConfig);
1050         dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID);
1051         dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
1052
1053         status = aac_fib_send(ContainerCommand,
1054                   cmd_fibcontext,
1055                   sizeof (struct aac_get_serial),
1056                   FsaNormal,
1057                   0, 1,
1058                   (fib_callback) get_container_serial_callback,
1059                   (void *) scsicmd);
1060
1061         /*
1062          *      Check that the command queued to the controller
1063          */
1064         if (status == -EINPROGRESS) {
1065                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1066                 return 0;
1067         }
1068
1069         printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status);
1070         aac_fib_complete(cmd_fibcontext);
1071         aac_fib_free(cmd_fibcontext);
1072         return -1;
1073 }
1074
1075 /* Function: setinqserial
1076  *
1077  * Arguments: [1] pointer to void [1] int
1078  *
1079  * Purpose: Sets SCSI Unit Serial number.
1080  *          This is a fake. We should read a proper
1081  *          serial number from the container. <SuSE>But
1082  *          without docs it's quite hard to do it :-)
1083  *          So this will have to do in the meantime.</SuSE>
1084  */
1085
1086 static int setinqserial(struct aac_dev *dev, void *data, int cid)
1087 {
1088         /*
1089          *      This breaks array migration.
1090          */
1091         return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X",
1092                         le32_to_cpu(dev->adapter_info.serial[0]), cid);
1093 }
1094
1095 static inline void set_sense(struct sense_data *sense_data, u8 sense_key,
1096         u8 sense_code, u8 a_sense_code, u8 bit_pointer, u16 field_pointer)
1097 {
1098         u8 *sense_buf = (u8 *)sense_data;
1099         /* Sense data valid, err code 70h */
1100         sense_buf[0] = 0x70; /* No info field */
1101         sense_buf[1] = 0;       /* Segment number, always zero */
1102
1103         sense_buf[2] = sense_key;       /* Sense key */
1104
1105         sense_buf[12] = sense_code;     /* Additional sense code */
1106         sense_buf[13] = a_sense_code;   /* Additional sense code qualifier */
1107
1108         if (sense_key == ILLEGAL_REQUEST) {
1109                 sense_buf[7] = 10;      /* Additional sense length */
1110
1111                 sense_buf[15] = bit_pointer;
1112                 /* Illegal parameter is in the parameter block */
1113                 if (sense_code == SENCODE_INVALID_CDB_FIELD)
1114                         sense_buf[15] |= 0xc0;/* Std sense key specific field */
1115                 /* Illegal parameter is in the CDB block */
1116                 sense_buf[16] = field_pointer >> 8;     /* MSB */
1117                 sense_buf[17] = field_pointer;          /* LSB */
1118         } else
1119                 sense_buf[7] = 6;       /* Additional sense length */
1120 }
1121
1122 static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
1123 {
1124         if (lba & 0xffffffff00000000LL) {
1125                 int cid = scmd_id(cmd);
1126                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
1127                 cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1128                         SAM_STAT_CHECK_CONDITION;
1129                 set_sense(&dev->fsa_dev[cid].sense_data,
1130                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1131                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1132                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1133                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1134                              SCSI_SENSE_BUFFERSIZE));
1135                 cmd->scsi_done(cmd);
1136                 return 1;
1137         }
1138         return 0;
1139 }
1140
1141 static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
1142 {
1143         return 0;
1144 }
1145
1146 static void io_callback(void *context, struct fib * fibptr);
1147
1148 static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1149 {
1150         struct aac_dev *dev = fib->dev;
1151         u16 fibsize, command;
1152         long ret;
1153
1154         aac_fib_init(fib);
1155         if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 && !dev->sync_mode) {
1156                 struct aac_raw_io2 *readcmd2;
1157                 readcmd2 = (struct aac_raw_io2 *) fib_data(fib);
1158                 memset(readcmd2, 0, sizeof(struct aac_raw_io2));
1159                 readcmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
1160                 readcmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1161                 readcmd2->byteCount = cpu_to_le32(count *
1162                         dev->fsa_dev[scmd_id(cmd)].block_size);
1163                 readcmd2->cid = cpu_to_le16(scmd_id(cmd));
1164                 readcmd2->flags = cpu_to_le16(RIO2_IO_TYPE_READ);
1165                 ret = aac_build_sgraw2(cmd, readcmd2,
1166                                 dev->scsi_host_ptr->sg_tablesize);
1167                 if (ret < 0)
1168                         return ret;
1169                 command = ContainerRawIo2;
1170                 fibsize = sizeof(struct aac_raw_io2) +
1171                         ((le32_to_cpu(readcmd2->sgeCnt)-1) * sizeof(struct sge_ieee1212));
1172         } else {
1173                 struct aac_raw_io *readcmd;
1174                 readcmd = (struct aac_raw_io *) fib_data(fib);
1175                 readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1176                 readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1177                 readcmd->count = cpu_to_le32(count *
1178                         dev->fsa_dev[scmd_id(cmd)].block_size);
1179                 readcmd->cid = cpu_to_le16(scmd_id(cmd));
1180                 readcmd->flags = cpu_to_le16(RIO_TYPE_READ);
1181                 readcmd->bpTotal = 0;
1182                 readcmd->bpComplete = 0;
1183                 ret = aac_build_sgraw(cmd, &readcmd->sg);
1184                 if (ret < 0)
1185                         return ret;
1186                 command = ContainerRawIo;
1187                 fibsize = sizeof(struct aac_raw_io) +
1188                         ((le32_to_cpu(readcmd->sg.count)-1) * sizeof(struct sgentryraw));
1189         }
1190
1191         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1192         /*
1193          *      Now send the Fib to the adapter
1194          */
1195         return aac_fib_send(command,
1196                           fib,
1197                           fibsize,
1198                           FsaNormal,
1199                           0, 1,
1200                           (fib_callback) io_callback,
1201                           (void *) cmd);
1202 }
1203
1204 static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1205 {
1206         u16 fibsize;
1207         struct aac_read64 *readcmd;
1208         long ret;
1209
1210         aac_fib_init(fib);
1211         readcmd = (struct aac_read64 *) fib_data(fib);
1212         readcmd->command = cpu_to_le32(VM_CtHostRead64);
1213         readcmd->cid = cpu_to_le16(scmd_id(cmd));
1214         readcmd->sector_count = cpu_to_le16(count);
1215         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1216         readcmd->pad   = 0;
1217         readcmd->flags = 0;
1218
1219         ret = aac_build_sg64(cmd, &readcmd->sg);
1220         if (ret < 0)
1221                 return ret;
1222         fibsize = sizeof(struct aac_read64) +
1223                 ((le32_to_cpu(readcmd->sg.count) - 1) *
1224                  sizeof (struct sgentry64));
1225         BUG_ON (fibsize > (fib->dev->max_fib_size -
1226                                 sizeof(struct aac_fibhdr)));
1227         /*
1228          *      Now send the Fib to the adapter
1229          */
1230         return aac_fib_send(ContainerCommand64,
1231                           fib,
1232                           fibsize,
1233                           FsaNormal,
1234                           0, 1,
1235                           (fib_callback) io_callback,
1236                           (void *) cmd);
1237 }
1238
1239 static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1240 {
1241         u16 fibsize;
1242         struct aac_read *readcmd;
1243         struct aac_dev *dev = fib->dev;
1244         long ret;
1245
1246         aac_fib_init(fib);
1247         readcmd = (struct aac_read *) fib_data(fib);
1248         readcmd->command = cpu_to_le32(VM_CtBlockRead);
1249         readcmd->cid = cpu_to_le32(scmd_id(cmd));
1250         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1251         readcmd->count = cpu_to_le32(count *
1252                 dev->fsa_dev[scmd_id(cmd)].block_size);
1253
1254         ret = aac_build_sg(cmd, &readcmd->sg);
1255         if (ret < 0)
1256                 return ret;
1257         fibsize = sizeof(struct aac_read) +
1258                         ((le32_to_cpu(readcmd->sg.count) - 1) *
1259                          sizeof (struct sgentry));
1260         BUG_ON (fibsize > (fib->dev->max_fib_size -
1261                                 sizeof(struct aac_fibhdr)));
1262         /*
1263          *      Now send the Fib to the adapter
1264          */
1265         return aac_fib_send(ContainerCommand,
1266                           fib,
1267                           fibsize,
1268                           FsaNormal,
1269                           0, 1,
1270                           (fib_callback) io_callback,
1271                           (void *) cmd);
1272 }
1273
1274 static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1275 {
1276         struct aac_dev *dev = fib->dev;
1277         u16 fibsize, command;
1278         long ret;
1279
1280         aac_fib_init(fib);
1281         if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 && !dev->sync_mode) {
1282                 struct aac_raw_io2 *writecmd2;
1283                 writecmd2 = (struct aac_raw_io2 *) fib_data(fib);
1284                 memset(writecmd2, 0, sizeof(struct aac_raw_io2));
1285                 writecmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
1286                 writecmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1287                 writecmd2->byteCount = cpu_to_le32(count *
1288                         dev->fsa_dev[scmd_id(cmd)].block_size);
1289                 writecmd2->cid = cpu_to_le16(scmd_id(cmd));
1290                 writecmd2->flags = (fua && ((aac_cache & 5) != 1) &&
1291                                                    (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1292                         cpu_to_le16(RIO2_IO_TYPE_WRITE|RIO2_IO_SUREWRITE) :
1293                         cpu_to_le16(RIO2_IO_TYPE_WRITE);
1294                 ret = aac_build_sgraw2(cmd, writecmd2,
1295                                 dev->scsi_host_ptr->sg_tablesize);
1296                 if (ret < 0)
1297                         return ret;
1298                 command = ContainerRawIo2;
1299                 fibsize = sizeof(struct aac_raw_io2) +
1300                         ((le32_to_cpu(writecmd2->sgeCnt)-1) * sizeof(struct sge_ieee1212));
1301         } else {
1302                 struct aac_raw_io *writecmd;
1303                 writecmd = (struct aac_raw_io *) fib_data(fib);
1304                 writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1305                 writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1306                 writecmd->count = cpu_to_le32(count *
1307                         dev->fsa_dev[scmd_id(cmd)].block_size);
1308                 writecmd->cid = cpu_to_le16(scmd_id(cmd));
1309                 writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
1310                                                    (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1311                         cpu_to_le16(RIO_TYPE_WRITE|RIO_SUREWRITE) :
1312                         cpu_to_le16(RIO_TYPE_WRITE);
1313                 writecmd->bpTotal = 0;
1314                 writecmd->bpComplete = 0;
1315                 ret = aac_build_sgraw(cmd, &writecmd->sg);
1316                 if (ret < 0)
1317                         return ret;
1318                 command = ContainerRawIo;
1319                 fibsize = sizeof(struct aac_raw_io) +
1320                         ((le32_to_cpu(writecmd->sg.count)-1) * sizeof (struct sgentryraw));
1321         }
1322
1323         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1324         /*
1325          *      Now send the Fib to the adapter
1326          */
1327         return aac_fib_send(command,
1328                           fib,
1329                           fibsize,
1330                           FsaNormal,
1331                           0, 1,
1332                           (fib_callback) io_callback,
1333                           (void *) cmd);
1334 }
1335
1336 static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1337 {
1338         u16 fibsize;
1339         struct aac_write64 *writecmd;
1340         long ret;
1341
1342         aac_fib_init(fib);
1343         writecmd = (struct aac_write64 *) fib_data(fib);
1344         writecmd->command = cpu_to_le32(VM_CtHostWrite64);
1345         writecmd->cid = cpu_to_le16(scmd_id(cmd));
1346         writecmd->sector_count = cpu_to_le16(count);
1347         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1348         writecmd->pad   = 0;
1349         writecmd->flags = 0;
1350
1351         ret = aac_build_sg64(cmd, &writecmd->sg);
1352         if (ret < 0)
1353                 return ret;
1354         fibsize = sizeof(struct aac_write64) +
1355                 ((le32_to_cpu(writecmd->sg.count) - 1) *
1356                  sizeof (struct sgentry64));
1357         BUG_ON (fibsize > (fib->dev->max_fib_size -
1358                                 sizeof(struct aac_fibhdr)));
1359         /*
1360          *      Now send the Fib to the adapter
1361          */
1362         return aac_fib_send(ContainerCommand64,
1363                           fib,
1364                           fibsize,
1365                           FsaNormal,
1366                           0, 1,
1367                           (fib_callback) io_callback,
1368                           (void *) cmd);
1369 }
1370
1371 static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1372 {
1373         u16 fibsize;
1374         struct aac_write *writecmd;
1375         struct aac_dev *dev = fib->dev;
1376         long ret;
1377
1378         aac_fib_init(fib);
1379         writecmd = (struct aac_write *) fib_data(fib);
1380         writecmd->command = cpu_to_le32(VM_CtBlockWrite);
1381         writecmd->cid = cpu_to_le32(scmd_id(cmd));
1382         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1383         writecmd->count = cpu_to_le32(count *
1384                 dev->fsa_dev[scmd_id(cmd)].block_size);
1385         writecmd->sg.count = cpu_to_le32(1);
1386         /* ->stable is not used - it did mean which type of write */
1387
1388         ret = aac_build_sg(cmd, &writecmd->sg);
1389         if (ret < 0)
1390                 return ret;
1391         fibsize = sizeof(struct aac_write) +
1392                 ((le32_to_cpu(writecmd->sg.count) - 1) *
1393                  sizeof (struct sgentry));
1394         BUG_ON (fibsize > (fib->dev->max_fib_size -
1395                                 sizeof(struct aac_fibhdr)));
1396         /*
1397          *      Now send the Fib to the adapter
1398          */
1399         return aac_fib_send(ContainerCommand,
1400                           fib,
1401                           fibsize,
1402                           FsaNormal,
1403                           0, 1,
1404                           (fib_callback) io_callback,
1405                           (void *) cmd);
1406 }
1407
1408 static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
1409 {
1410         struct aac_srb * srbcmd;
1411         u32 flag;
1412         u32 timeout;
1413
1414         aac_fib_init(fib);
1415         switch(cmd->sc_data_direction){
1416         case DMA_TO_DEVICE:
1417                 flag = SRB_DataOut;
1418                 break;
1419         case DMA_BIDIRECTIONAL:
1420                 flag = SRB_DataIn | SRB_DataOut;
1421                 break;
1422         case DMA_FROM_DEVICE:
1423                 flag = SRB_DataIn;
1424                 break;
1425         case DMA_NONE:
1426         default:        /* shuts up some versions of gcc */
1427                 flag = SRB_NoDataXfer;
1428                 break;
1429         }
1430
1431         srbcmd = (struct aac_srb*) fib_data(fib);
1432         srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1433         srbcmd->channel  = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1434         srbcmd->id       = cpu_to_le32(scmd_id(cmd));
1435         srbcmd->lun      = cpu_to_le32(cmd->device->lun);
1436         srbcmd->flags    = cpu_to_le32(flag);
1437         timeout = cmd->request->timeout/HZ;
1438         if (timeout == 0)
1439                 timeout = 1;
1440         srbcmd->timeout  = cpu_to_le32(timeout);  // timeout in seconds
1441         srbcmd->retry_limit = 0; /* Obsolete parameter */
1442         srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1443         return srbcmd;
1444 }
1445
1446 static void aac_srb_callback(void *context, struct fib * fibptr);
1447
1448 static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1449 {
1450         u16 fibsize;
1451         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1452         long ret;
1453
1454         ret = aac_build_sg64(cmd, (struct sgmap64 *) &srbcmd->sg);
1455         if (ret < 0)
1456                 return ret;
1457         srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1458
1459         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1460         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1461         /*
1462          *      Build Scatter/Gather list
1463          */
1464         fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1465                 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1466                  sizeof (struct sgentry64));
1467         BUG_ON (fibsize > (fib->dev->max_fib_size -
1468                                 sizeof(struct aac_fibhdr)));
1469
1470         /*
1471          *      Now send the Fib to the adapter
1472          */
1473         return aac_fib_send(ScsiPortCommand64, fib,
1474                                 fibsize, FsaNormal, 0, 1,
1475                                   (fib_callback) aac_srb_callback,
1476                                   (void *) cmd);
1477 }
1478
1479 static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1480 {
1481         u16 fibsize;
1482         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1483         long ret;
1484
1485         ret = aac_build_sg(cmd, (struct sgmap *)&srbcmd->sg);
1486         if (ret < 0)
1487                 return ret;
1488         srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1489
1490         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1491         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1492         /*
1493          *      Build Scatter/Gather list
1494          */
1495         fibsize = sizeof (struct aac_srb) +
1496                 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1497                  sizeof (struct sgentry));
1498         BUG_ON (fibsize > (fib->dev->max_fib_size -
1499                                 sizeof(struct aac_fibhdr)));
1500
1501         /*
1502          *      Now send the Fib to the adapter
1503          */
1504         return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1505                                   (fib_callback) aac_srb_callback, (void *) cmd);
1506 }
1507
1508 static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd)
1509 {
1510         if ((sizeof(dma_addr_t) > 4) && fib->dev->needs_dac &&
1511             (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64))
1512                 return FAILED;
1513         return aac_scsi_32(fib, cmd);
1514 }
1515
1516 int aac_get_adapter_info(struct aac_dev* dev)
1517 {
1518         struct fib* fibptr;
1519         int rcode;
1520         u32 tmp;
1521         struct aac_adapter_info *info;
1522         struct aac_bus_info *command;
1523         struct aac_bus_info_response *bus_info;
1524
1525         if (!(fibptr = aac_fib_alloc(dev)))
1526                 return -ENOMEM;
1527
1528         aac_fib_init(fibptr);
1529         info = (struct aac_adapter_info *) fib_data(fibptr);
1530         memset(info,0,sizeof(*info));
1531
1532         rcode = aac_fib_send(RequestAdapterInfo,
1533                          fibptr,
1534                          sizeof(*info),
1535                          FsaNormal,
1536                          -1, 1, /* First `interrupt' command uses special wait */
1537                          NULL,
1538                          NULL);
1539
1540         if (rcode < 0) {
1541                 /* FIB should be freed only after
1542                  * getting the response from the F/W */
1543                 if (rcode != -ERESTARTSYS) {
1544                         aac_fib_complete(fibptr);
1545                         aac_fib_free(fibptr);
1546                 }
1547                 return rcode;
1548         }
1549         memcpy(&dev->adapter_info, info, sizeof(*info));
1550
1551         if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
1552                 struct aac_supplement_adapter_info * sinfo;
1553
1554                 aac_fib_init(fibptr);
1555
1556                 sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr);
1557
1558                 memset(sinfo,0,sizeof(*sinfo));
1559
1560                 rcode = aac_fib_send(RequestSupplementAdapterInfo,
1561                                  fibptr,
1562                                  sizeof(*sinfo),
1563                                  FsaNormal,
1564                                  1, 1,
1565                                  NULL,
1566                                  NULL);
1567
1568                 if (rcode >= 0)
1569                         memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo));
1570                 if (rcode == -ERESTARTSYS) {
1571                         fibptr = aac_fib_alloc(dev);
1572                         if (!fibptr)
1573                                 return -ENOMEM;
1574                 }
1575
1576         }
1577
1578
1579         /*
1580          * GetBusInfo
1581          */
1582
1583         aac_fib_init(fibptr);
1584
1585         bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
1586
1587         memset(bus_info, 0, sizeof(*bus_info));
1588
1589         command = (struct aac_bus_info *)bus_info;
1590
1591         command->Command = cpu_to_le32(VM_Ioctl);
1592         command->ObjType = cpu_to_le32(FT_DRIVE);
1593         command->MethodId = cpu_to_le32(1);
1594         command->CtlCmd = cpu_to_le32(GetBusInfo);
1595
1596         rcode = aac_fib_send(ContainerCommand,
1597                          fibptr,
1598                          sizeof (*bus_info),
1599                          FsaNormal,
1600                          1, 1,
1601                          NULL, NULL);
1602
1603         /* reasoned default */
1604         dev->maximum_num_physicals = 16;
1605         if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
1606                 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
1607                 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
1608         }
1609
1610         if (!dev->in_reset) {
1611                 char buffer[16];
1612                 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1613                 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
1614                         dev->name,
1615                         dev->id,
1616                         tmp>>24,
1617                         (tmp>>16)&0xff,
1618                         tmp&0xff,
1619                         le32_to_cpu(dev->adapter_info.kernelbuild),
1620                         (int)sizeof(dev->supplement_adapter_info.BuildDate),
1621                         dev->supplement_adapter_info.BuildDate);
1622                 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1623                 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
1624                         dev->name, dev->id,
1625                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1626                         le32_to_cpu(dev->adapter_info.monitorbuild));
1627                 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1628                 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
1629                         dev->name, dev->id,
1630                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
1631                         le32_to_cpu(dev->adapter_info.biosbuild));
1632                 buffer[0] = '\0';
1633                 if (aac_get_serial_number(
1634                   shost_to_class(dev->scsi_host_ptr), buffer))
1635                         printk(KERN_INFO "%s%d: serial %s",
1636                           dev->name, dev->id, buffer);
1637                 if (dev->supplement_adapter_info.VpdInfo.Tsid[0]) {
1638                         printk(KERN_INFO "%s%d: TSID %.*s\n",
1639                           dev->name, dev->id,
1640                           (int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid),
1641                           dev->supplement_adapter_info.VpdInfo.Tsid);
1642                 }
1643                 if (!aac_check_reset || ((aac_check_reset == 1) &&
1644                   (dev->supplement_adapter_info.SupportedOptions2 &
1645                   AAC_OPTION_IGNORE_RESET))) {
1646                         printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
1647                           dev->name, dev->id);
1648                 }
1649         }
1650
1651         dev->cache_protected = 0;
1652         dev->jbod = ((dev->supplement_adapter_info.FeatureBits &
1653                 AAC_FEATURE_JBOD) != 0);
1654         dev->nondasd_support = 0;
1655         dev->raid_scsi_mode = 0;
1656         if(dev->adapter_info.options & AAC_OPT_NONDASD)
1657                 dev->nondasd_support = 1;
1658
1659         /*
1660          * If the firmware supports ROMB RAID/SCSI mode and we are currently
1661          * in RAID/SCSI mode, set the flag. For now if in this mode we will
1662          * force nondasd support on. If we decide to allow the non-dasd flag
1663          * additional changes changes will have to be made to support
1664          * RAID/SCSI.  the function aac_scsi_cmd in this module will have to be
1665          * changed to support the new dev->raid_scsi_mode flag instead of
1666          * leaching off of the dev->nondasd_support flag. Also in linit.c the
1667          * function aac_detect will have to be modified where it sets up the
1668          * max number of channels based on the aac->nondasd_support flag only.
1669          */
1670         if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
1671             (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
1672                 dev->nondasd_support = 1;
1673                 dev->raid_scsi_mode = 1;
1674         }
1675         if (dev->raid_scsi_mode != 0)
1676                 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
1677                                 dev->name, dev->id);
1678
1679         if (nondasd != -1)
1680                 dev->nondasd_support = (nondasd!=0);
1681         if (dev->nondasd_support && !dev->in_reset)
1682                 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
1683
1684         if (dma_get_required_mask(&dev->pdev->dev) > DMA_BIT_MASK(32))
1685                 dev->needs_dac = 1;
1686         dev->dac_support = 0;
1687         if ((sizeof(dma_addr_t) > 4) && dev->needs_dac &&
1688             (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) {
1689                 if (!dev->in_reset)
1690                         printk(KERN_INFO "%s%d: 64bit support enabled.\n",
1691                                 dev->name, dev->id);
1692                 dev->dac_support = 1;
1693         }
1694
1695         if(dacmode != -1) {
1696                 dev->dac_support = (dacmode!=0);
1697         }
1698
1699         /* avoid problems with AAC_QUIRK_SCSI_32 controllers */
1700         if (dev->dac_support && (aac_get_driver_ident(dev->cardtype)->quirks
1701                 & AAC_QUIRK_SCSI_32)) {
1702                 dev->nondasd_support = 0;
1703                 dev->jbod = 0;
1704                 expose_physicals = 0;
1705         }
1706
1707         if(dev->dac_support != 0) {
1708                 if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(64)) &&
1709                         !pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(64))) {
1710                         if (!dev->in_reset)
1711                                 printk(KERN_INFO"%s%d: 64 Bit DAC enabled\n",
1712                                         dev->name, dev->id);
1713                 } else if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(32)) &&
1714                         !pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(32))) {
1715                         printk(KERN_INFO"%s%d: DMA mask set failed, 64 Bit DAC disabled\n",
1716                                 dev->name, dev->id);
1717                         dev->dac_support = 0;
1718                 } else {
1719                         printk(KERN_WARNING"%s%d: No suitable DMA available.\n",
1720                                 dev->name, dev->id);
1721                         rcode = -ENOMEM;
1722                 }
1723         }
1724         /*
1725          * Deal with configuring for the individualized limits of each packet
1726          * interface.
1727          */
1728         dev->a_ops.adapter_scsi = (dev->dac_support)
1729           ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32)
1730                                 ? aac_scsi_32_64
1731                                 : aac_scsi_64)
1732                                 : aac_scsi_32;
1733         if (dev->raw_io_interface) {
1734                 dev->a_ops.adapter_bounds = (dev->raw_io_64)
1735                                         ? aac_bounds_64
1736                                         : aac_bounds_32;
1737                 dev->a_ops.adapter_read = aac_read_raw_io;
1738                 dev->a_ops.adapter_write = aac_write_raw_io;
1739         } else {
1740                 dev->a_ops.adapter_bounds = aac_bounds_32;
1741                 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
1742                         sizeof(struct aac_fibhdr) -
1743                         sizeof(struct aac_write) + sizeof(struct sgentry)) /
1744                                 sizeof(struct sgentry);
1745                 if (dev->dac_support) {
1746                         dev->a_ops.adapter_read = aac_read_block64;
1747                         dev->a_ops.adapter_write = aac_write_block64;
1748                         /*
1749                          * 38 scatter gather elements
1750                          */
1751                         dev->scsi_host_ptr->sg_tablesize =
1752                                 (dev->max_fib_size -
1753                                 sizeof(struct aac_fibhdr) -
1754                                 sizeof(struct aac_write64) +
1755                                 sizeof(struct sgentry64)) /
1756                                         sizeof(struct sgentry64);
1757                 } else {
1758                         dev->a_ops.adapter_read = aac_read_block;
1759                         dev->a_ops.adapter_write = aac_write_block;
1760                 }
1761                 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
1762                 if (!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
1763                         /*
1764                          * Worst case size that could cause sg overflow when
1765                          * we break up SG elements that are larger than 64KB.
1766                          * Would be nice if we could tell the SCSI layer what
1767                          * the maximum SG element size can be. Worst case is
1768                          * (sg_tablesize-1) 4KB elements with one 64KB
1769                          * element.
1770                          *      32bit -> 468 or 238KB   64bit -> 424 or 212KB
1771                          */
1772                         dev->scsi_host_ptr->max_sectors =
1773                           (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
1774                 }
1775         }
1776         /* FIB should be freed only after getting the response from the F/W */
1777         if (rcode != -ERESTARTSYS) {
1778                 aac_fib_complete(fibptr);
1779                 aac_fib_free(fibptr);
1780         }
1781
1782         return rcode;
1783 }
1784
1785
1786 static void io_callback(void *context, struct fib * fibptr)
1787 {
1788         struct aac_dev *dev;
1789         struct aac_read_reply *readreply;
1790         struct scsi_cmnd *scsicmd;
1791         u32 cid;
1792
1793         scsicmd = (struct scsi_cmnd *) context;
1794
1795         if (!aac_valid_context(scsicmd, fibptr))
1796                 return;
1797
1798         dev = fibptr->dev;
1799         cid = scmd_id(scsicmd);
1800
1801         if (nblank(dprintk(x))) {
1802                 u64 lba;
1803                 switch (scsicmd->cmnd[0]) {
1804                 case WRITE_6:
1805                 case READ_6:
1806                         lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1807                             (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1808                         break;
1809                 case WRITE_16:
1810                 case READ_16:
1811                         lba = ((u64)scsicmd->cmnd[2] << 56) |
1812                               ((u64)scsicmd->cmnd[3] << 48) |
1813                               ((u64)scsicmd->cmnd[4] << 40) |
1814                               ((u64)scsicmd->cmnd[5] << 32) |
1815                               ((u64)scsicmd->cmnd[6] << 24) |
1816                               (scsicmd->cmnd[7] << 16) |
1817                               (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1818                         break;
1819                 case WRITE_12:
1820                 case READ_12:
1821                         lba = ((u64)scsicmd->cmnd[2] << 24) |
1822                               (scsicmd->cmnd[3] << 16) |
1823                               (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1824                         break;
1825                 default:
1826                         lba = ((u64)scsicmd->cmnd[2] << 24) |
1827                                (scsicmd->cmnd[3] << 16) |
1828                                (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1829                         break;
1830                 }
1831                 printk(KERN_DEBUG
1832                   "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
1833                   smp_processor_id(), (unsigned long long)lba, jiffies);
1834         }
1835
1836         BUG_ON(fibptr == NULL);
1837
1838         scsi_dma_unmap(scsicmd);
1839
1840         readreply = (struct aac_read_reply *)fib_data(fibptr);
1841         switch (le32_to_cpu(readreply->status)) {
1842         case ST_OK:
1843                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1844                         SAM_STAT_GOOD;
1845                 dev->fsa_dev[cid].sense_data.sense_key = NO_SENSE;
1846                 break;
1847         case ST_NOT_READY:
1848                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1849                         SAM_STAT_CHECK_CONDITION;
1850                 set_sense(&dev->fsa_dev[cid].sense_data, NOT_READY,
1851                   SENCODE_BECOMING_READY, ASENCODE_BECOMING_READY, 0, 0);
1852                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1853                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1854                              SCSI_SENSE_BUFFERSIZE));
1855                 break;
1856         default:
1857 #ifdef AAC_DETAILED_STATUS_INFO
1858                 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
1859                   le32_to_cpu(readreply->status));
1860 #endif
1861                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1862                         SAM_STAT_CHECK_CONDITION;
1863                 set_sense(&dev->fsa_dev[cid].sense_data,
1864                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1865                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1866                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1867                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1868                              SCSI_SENSE_BUFFERSIZE));
1869                 break;
1870         }
1871         aac_fib_complete(fibptr);
1872         aac_fib_free(fibptr);
1873
1874         scsicmd->scsi_done(scsicmd);
1875 }
1876
1877 static int aac_read(struct scsi_cmnd * scsicmd)
1878 {
1879         u64 lba;
1880         u32 count;
1881         int status;
1882         struct aac_dev *dev;
1883         struct fib * cmd_fibcontext;
1884         int cid;
1885
1886         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1887         /*
1888          *      Get block address and transfer length
1889          */
1890         switch (scsicmd->cmnd[0]) {
1891         case READ_6:
1892                 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
1893
1894                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
1895                         (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
1896                 count = scsicmd->cmnd[4];
1897
1898                 if (count == 0)
1899                         count = 256;
1900                 break;
1901         case READ_16:
1902                 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
1903
1904                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
1905                         ((u64)scsicmd->cmnd[3] << 48) |
1906                         ((u64)scsicmd->cmnd[4] << 40) |
1907                         ((u64)scsicmd->cmnd[5] << 32) |
1908                         ((u64)scsicmd->cmnd[6] << 24) |
1909                         (scsicmd->cmnd[7] << 16) |
1910                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1911                 count = (scsicmd->cmnd[10] << 24) |
1912                         (scsicmd->cmnd[11] << 16) |
1913                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
1914                 break;
1915         case READ_12:
1916                 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
1917
1918                 lba = ((u64)scsicmd->cmnd[2] << 24) |
1919                         (scsicmd->cmnd[3] << 16) |
1920                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1921                 count = (scsicmd->cmnd[6] << 24) |
1922                         (scsicmd->cmnd[7] << 16) |
1923                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
1924                 break;
1925         default:
1926                 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
1927
1928                 lba = ((u64)scsicmd->cmnd[2] << 24) |
1929                         (scsicmd->cmnd[3] << 16) |
1930                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
1931                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
1932                 break;
1933         }
1934
1935         if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
1936                 cid = scmd_id(scsicmd);
1937                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
1938                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
1939                         SAM_STAT_CHECK_CONDITION;
1940                 set_sense(&dev->fsa_dev[cid].sense_data,
1941                           HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1942                           ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1943                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1944                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1945                              SCSI_SENSE_BUFFERSIZE));
1946                 scsicmd->scsi_done(scsicmd);
1947                 return 1;
1948         }
1949
1950         dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
1951           smp_processor_id(), (unsigned long long)lba, jiffies));
1952         if (aac_adapter_bounds(dev,scsicmd,lba))
1953                 return 0;
1954         /*
1955          *      Alocate and initialize a Fib
1956          */
1957         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
1958                 printk(KERN_WARNING "aac_read: fib allocation failed\n");
1959                 return -1;
1960         }
1961
1962         status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
1963
1964         /*
1965          *      Check that the command queued to the controller
1966          */
1967         if (status == -EINPROGRESS) {
1968                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
1969                 return 0;
1970         }
1971
1972         printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
1973         /*
1974          *      For some reason, the Fib didn't queue, return QUEUE_FULL
1975          */
1976         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
1977         scsicmd->scsi_done(scsicmd);
1978         aac_fib_complete(cmd_fibcontext);
1979         aac_fib_free(cmd_fibcontext);
1980         return 0;
1981 }
1982
1983 static int aac_write(struct scsi_cmnd * scsicmd)
1984 {
1985         u64 lba;
1986         u32 count;
1987         int fua;
1988         int status;
1989         struct aac_dev *dev;
1990         struct fib * cmd_fibcontext;
1991         int cid;
1992
1993         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1994         /*
1995          *      Get block address and transfer length
1996          */
1997         if (scsicmd->cmnd[0] == WRITE_6)        /* 6 byte command */
1998         {
1999                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
2000                 count = scsicmd->cmnd[4];
2001                 if (count == 0)
2002                         count = 256;
2003                 fua = 0;
2004         } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
2005                 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
2006
2007                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
2008                         ((u64)scsicmd->cmnd[3] << 48) |
2009                         ((u64)scsicmd->cmnd[4] << 40) |
2010                         ((u64)scsicmd->cmnd[5] << 32) |
2011                         ((u64)scsicmd->cmnd[6] << 24) |
2012                         (scsicmd->cmnd[7] << 16) |
2013                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2014                 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
2015                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
2016                 fua = scsicmd->cmnd[1] & 0x8;
2017         } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
2018                 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
2019
2020                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
2021                     | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2022                 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
2023                       | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2024                 fua = scsicmd->cmnd[1] & 0x8;
2025         } else {
2026                 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
2027                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2028                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
2029                 fua = scsicmd->cmnd[1] & 0x8;
2030         }
2031
2032         if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
2033                 cid = scmd_id(scsicmd);
2034                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
2035                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2036                         SAM_STAT_CHECK_CONDITION;
2037                 set_sense(&dev->fsa_dev[cid].sense_data,
2038                           HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
2039                           ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2040                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2041                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2042                              SCSI_SENSE_BUFFERSIZE));
2043                 scsicmd->scsi_done(scsicmd);
2044                 return 1;
2045         }
2046
2047         dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
2048           smp_processor_id(), (unsigned long long)lba, jiffies));
2049         if (aac_adapter_bounds(dev,scsicmd,lba))
2050                 return 0;
2051         /*
2052          *      Allocate and initialize a Fib then setup a BlockWrite command
2053          */
2054         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
2055                 /* FIB temporarily unavailable,not catastrophic failure */
2056
2057                 /* scsicmd->result = DID_ERROR << 16;
2058                  * scsicmd->scsi_done(scsicmd);
2059                  * return 0;
2060                  */
2061                 printk(KERN_WARNING "aac_write: fib allocation failed\n");
2062                 return -1;
2063         }
2064
2065         status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
2066
2067         /*
2068          *      Check that the command queued to the controller
2069          */
2070         if (status == -EINPROGRESS) {
2071                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2072                 return 0;
2073         }
2074
2075         printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
2076         /*
2077          *      For some reason, the Fib didn't queue, return QUEUE_FULL
2078          */
2079         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL;
2080         scsicmd->scsi_done(scsicmd);
2081
2082         aac_fib_complete(cmd_fibcontext);
2083         aac_fib_free(cmd_fibcontext);
2084         return 0;
2085 }
2086
2087 static void synchronize_callback(void *context, struct fib *fibptr)
2088 {
2089         struct aac_synchronize_reply *synchronizereply;
2090         struct scsi_cmnd *cmd;
2091
2092         cmd = context;
2093
2094         if (!aac_valid_context(cmd, fibptr))
2095                 return;
2096
2097         dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
2098                                 smp_processor_id(), jiffies));
2099         BUG_ON(fibptr == NULL);
2100
2101
2102         synchronizereply = fib_data(fibptr);
2103         if (le32_to_cpu(synchronizereply->status) == CT_OK)
2104                 cmd->result = DID_OK << 16 |
2105                         COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2106         else {
2107                 struct scsi_device *sdev = cmd->device;
2108                 struct aac_dev *dev = fibptr->dev;
2109                 u32 cid = sdev_id(sdev);
2110                 printk(KERN_WARNING
2111                      "synchronize_callback: synchronize failed, status = %d\n",
2112                      le32_to_cpu(synchronizereply->status));
2113                 cmd->result = DID_OK << 16 |
2114                         COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2115                 set_sense(&dev->fsa_dev[cid].sense_data,
2116                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
2117                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2118                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2119                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2120                              SCSI_SENSE_BUFFERSIZE));
2121         }
2122
2123         aac_fib_complete(fibptr);
2124         aac_fib_free(fibptr);
2125         cmd->scsi_done(cmd);
2126 }
2127
2128 static int aac_synchronize(struct scsi_cmnd *scsicmd)
2129 {
2130         int status;
2131         struct fib *cmd_fibcontext;
2132         struct aac_synchronize *synchronizecmd;
2133         struct scsi_cmnd *cmd;
2134         struct scsi_device *sdev = scsicmd->device;
2135         int active = 0;
2136         struct aac_dev *aac;
2137         u64 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) |
2138                 (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2139         u32 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
2140         unsigned long flags;
2141
2142         /*
2143          * Wait for all outstanding queued commands to complete to this
2144          * specific target (block).
2145          */
2146         spin_lock_irqsave(&sdev->list_lock, flags);
2147         list_for_each_entry(cmd, &sdev->cmd_list, list)
2148                 if (cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
2149                         u64 cmnd_lba;
2150                         u32 cmnd_count;
2151
2152                         if (cmd->cmnd[0] == WRITE_6) {
2153                                 cmnd_lba = ((cmd->cmnd[1] & 0x1F) << 16) |
2154                                         (cmd->cmnd[2] << 8) |
2155                                         cmd->cmnd[3];
2156                                 cmnd_count = cmd->cmnd[4];
2157                                 if (cmnd_count == 0)
2158                                         cmnd_count = 256;
2159                         } else if (cmd->cmnd[0] == WRITE_16) {
2160                                 cmnd_lba = ((u64)cmd->cmnd[2] << 56) |
2161                                         ((u64)cmd->cmnd[3] << 48) |
2162                                         ((u64)cmd->cmnd[4] << 40) |
2163                                         ((u64)cmd->cmnd[5] << 32) |
2164                                         ((u64)cmd->cmnd[6] << 24) |
2165                                         (cmd->cmnd[7] << 16) |
2166                                         (cmd->cmnd[8] << 8) |
2167                                         cmd->cmnd[9];
2168                                 cmnd_count = (cmd->cmnd[10] << 24) |
2169                                         (cmd->cmnd[11] << 16) |
2170                                         (cmd->cmnd[12] << 8) |
2171                                         cmd->cmnd[13];
2172                         } else if (cmd->cmnd[0] == WRITE_12) {
2173                                 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
2174                                         (cmd->cmnd[3] << 16) |
2175                                         (cmd->cmnd[4] << 8) |
2176                                         cmd->cmnd[5];
2177                                 cmnd_count = (cmd->cmnd[6] << 24) |
2178                                         (cmd->cmnd[7] << 16) |
2179                                         (cmd->cmnd[8] << 8) |
2180                                         cmd->cmnd[9];
2181                         } else if (cmd->cmnd[0] == WRITE_10) {
2182                                 cmnd_lba = ((u64)cmd->cmnd[2] << 24) |
2183                                         (cmd->cmnd[3] << 16) |
2184                                         (cmd->cmnd[4] << 8) |
2185                                         cmd->cmnd[5];
2186                                 cmnd_count = (cmd->cmnd[7] << 8) |
2187                                         cmd->cmnd[8];
2188                         } else
2189                                 continue;
2190                         if (((cmnd_lba + cmnd_count) < lba) ||
2191                           (count && ((lba + count) < cmnd_lba)))
2192                                 continue;
2193                         ++active;
2194                         break;
2195                 }
2196
2197         spin_unlock_irqrestore(&sdev->list_lock, flags);
2198
2199         /*
2200          *      Yield the processor (requeue for later)
2201          */
2202         if (active)
2203                 return SCSI_MLQUEUE_DEVICE_BUSY;
2204
2205         aac = (struct aac_dev *)sdev->host->hostdata;
2206         if (aac->in_reset)
2207                 return SCSI_MLQUEUE_HOST_BUSY;
2208
2209         /*
2210          *      Allocate and initialize a Fib
2211          */
2212         if (!(cmd_fibcontext = aac_fib_alloc(aac)))
2213                 return SCSI_MLQUEUE_HOST_BUSY;
2214
2215         aac_fib_init(cmd_fibcontext);
2216
2217         synchronizecmd = fib_data(cmd_fibcontext);
2218         synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
2219         synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
2220         synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
2221         synchronizecmd->count =
2222              cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
2223
2224         /*
2225          *      Now send the Fib to the adapter
2226          */
2227         status = aac_fib_send(ContainerCommand,
2228                   cmd_fibcontext,
2229                   sizeof(struct aac_synchronize),
2230                   FsaNormal,
2231                   0, 1,
2232                   (fib_callback)synchronize_callback,
2233                   (void *)scsicmd);
2234
2235         /*
2236          *      Check that the command queued to the controller
2237          */
2238         if (status == -EINPROGRESS) {
2239                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2240                 return 0;
2241         }
2242
2243         printk(KERN_WARNING
2244                 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
2245         aac_fib_complete(cmd_fibcontext);
2246         aac_fib_free(cmd_fibcontext);
2247         return SCSI_MLQUEUE_HOST_BUSY;
2248 }
2249
2250 static void aac_start_stop_callback(void *context, struct fib *fibptr)
2251 {
2252         struct scsi_cmnd *scsicmd = context;
2253
2254         if (!aac_valid_context(scsicmd, fibptr))
2255                 return;
2256
2257         BUG_ON(fibptr == NULL);
2258
2259         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2260
2261         aac_fib_complete(fibptr);
2262         aac_fib_free(fibptr);
2263         scsicmd->scsi_done(scsicmd);
2264 }
2265
2266 static int aac_start_stop(struct scsi_cmnd *scsicmd)
2267 {
2268         int status;
2269         struct fib *cmd_fibcontext;
2270         struct aac_power_management *pmcmd;
2271         struct scsi_device *sdev = scsicmd->device;
2272         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
2273
2274         if (!(aac->supplement_adapter_info.SupportedOptions2 &
2275               AAC_OPTION_POWER_MANAGEMENT)) {
2276                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2277                                   SAM_STAT_GOOD;
2278                 scsicmd->scsi_done(scsicmd);
2279                 return 0;
2280         }
2281
2282         if (aac->in_reset)
2283                 return SCSI_MLQUEUE_HOST_BUSY;
2284
2285         /*
2286          *      Allocate and initialize a Fib
2287          */
2288         cmd_fibcontext = aac_fib_alloc(aac);
2289         if (!cmd_fibcontext)
2290                 return SCSI_MLQUEUE_HOST_BUSY;
2291
2292         aac_fib_init(cmd_fibcontext);
2293
2294         pmcmd = fib_data(cmd_fibcontext);
2295         pmcmd->command = cpu_to_le32(VM_ContainerConfig);
2296         pmcmd->type = cpu_to_le32(CT_POWER_MANAGEMENT);
2297         /* Eject bit ignored, not relevant */
2298         pmcmd->sub = (scsicmd->cmnd[4] & 1) ?
2299                 cpu_to_le32(CT_PM_START_UNIT) : cpu_to_le32(CT_PM_STOP_UNIT);
2300         pmcmd->cid = cpu_to_le32(sdev_id(sdev));
2301         pmcmd->parm = (scsicmd->cmnd[1] & 1) ?
2302                 cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0;
2303
2304         /*
2305          *      Now send the Fib to the adapter
2306          */
2307         status = aac_fib_send(ContainerCommand,
2308                   cmd_fibcontext,
2309                   sizeof(struct aac_power_management),
2310                   FsaNormal,
2311                   0, 1,
2312                   (fib_callback)aac_start_stop_callback,
2313                   (void *)scsicmd);
2314
2315         /*
2316          *      Check that the command queued to the controller
2317          */
2318         if (status == -EINPROGRESS) {
2319                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2320                 return 0;
2321         }
2322
2323         aac_fib_complete(cmd_fibcontext);
2324         aac_fib_free(cmd_fibcontext);
2325         return SCSI_MLQUEUE_HOST_BUSY;
2326 }
2327
2328 /**
2329  *      aac_scsi_cmd()          -       Process SCSI command
2330  *      @scsicmd:               SCSI command block
2331  *
2332  *      Emulate a SCSI command and queue the required request for the
2333  *      aacraid firmware.
2334  */
2335
2336 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
2337 {
2338         u32 cid;
2339         struct Scsi_Host *host = scsicmd->device->host;
2340         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
2341         struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
2342
2343         if (fsa_dev_ptr == NULL)
2344                 return -1;
2345         /*
2346          *      If the bus, id or lun is out of range, return fail
2347          *      Test does not apply to ID 16, the pseudo id for the controller
2348          *      itself.
2349          */
2350         cid = scmd_id(scsicmd);
2351         if (cid != host->this_id) {
2352                 if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
2353                         if((cid >= dev->maximum_num_containers) ||
2354                                         (scsicmd->device->lun != 0)) {
2355                                 scsicmd->result = DID_NO_CONNECT << 16;
2356                                 scsicmd->scsi_done(scsicmd);
2357                                 return 0;
2358                         }
2359
2360                         /*
2361                          *      If the target container doesn't exist, it may have
2362                          *      been newly created
2363                          */
2364                         if (((fsa_dev_ptr[cid].valid & 1) == 0) ||
2365                           (fsa_dev_ptr[cid].sense_data.sense_key ==
2366                            NOT_READY)) {
2367                                 switch (scsicmd->cmnd[0]) {
2368                                 case SERVICE_ACTION_IN_16:
2369                                         if (!(dev->raw_io_interface) ||
2370                                             !(dev->raw_io_64) ||
2371                                             ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2372                                                 break;
2373                                 case INQUIRY:
2374                                 case READ_CAPACITY:
2375                                 case TEST_UNIT_READY:
2376                                         if (dev->in_reset)
2377                                                 return -1;
2378                                         return _aac_probe_container(scsicmd,
2379                                                         aac_probe_container_callback2);
2380                                 default:
2381                                         break;
2382                                 }
2383                         }
2384                 } else {  /* check for physical non-dasd devices */
2385                         if (dev->nondasd_support || expose_physicals ||
2386                                         dev->jbod) {
2387                                 if (dev->in_reset)
2388                                         return -1;
2389                                 return aac_send_srb_fib(scsicmd);
2390                         } else {
2391                                 scsicmd->result = DID_NO_CONNECT << 16;
2392                                 scsicmd->scsi_done(scsicmd);
2393                                 return 0;
2394                         }
2395                 }
2396         }
2397         /*
2398          * else Command for the controller itself
2399          */
2400         else if ((scsicmd->cmnd[0] != INQUIRY) &&       /* only INQUIRY & TUR cmnd supported for controller */
2401                 (scsicmd->cmnd[0] != TEST_UNIT_READY))
2402         {
2403                 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
2404                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2405                 set_sense(&dev->fsa_dev[cid].sense_data,
2406                   ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2407                   ASENCODE_INVALID_COMMAND, 0, 0);
2408                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2409                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2410                              SCSI_SENSE_BUFFERSIZE));
2411                 scsicmd->scsi_done(scsicmd);
2412                 return 0;
2413         }
2414
2415
2416         /* Handle commands here that don't really require going out to the adapter */
2417         switch (scsicmd->cmnd[0]) {
2418         case INQUIRY:
2419         {
2420                 struct inquiry_data inq_data;
2421
2422                 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
2423                 memset(&inq_data, 0, sizeof (struct inquiry_data));
2424
2425                 if ((scsicmd->cmnd[1] & 0x1) && aac_wwn) {
2426                         char *arr = (char *)&inq_data;
2427
2428                         /* EVPD bit set */
2429                         arr[0] = (scmd_id(scsicmd) == host->this_id) ?
2430                           INQD_PDT_PROC : INQD_PDT_DA;
2431                         if (scsicmd->cmnd[2] == 0) {
2432                                 /* supported vital product data pages */
2433                                 arr[3] = 3;
2434                                 arr[4] = 0x0;
2435                                 arr[5] = 0x80;
2436                                 arr[6] = 0x83;
2437                                 arr[1] = scsicmd->cmnd[2];
2438                                 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2439                                                          sizeof(inq_data));
2440                                 scsicmd->result = DID_OK << 16 |
2441                                   COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2442                         } else if (scsicmd->cmnd[2] == 0x80) {
2443                                 /* unit serial number page */
2444                                 arr[3] = setinqserial(dev, &arr[4],
2445                                   scmd_id(scsicmd));
2446                                 arr[1] = scsicmd->cmnd[2];
2447                                 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2448                                                          sizeof(inq_data));
2449                                 if (aac_wwn != 2)
2450                                         return aac_get_container_serial(
2451                                                 scsicmd);
2452                                 scsicmd->result = DID_OK << 16 |
2453                                   COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2454                         } else if (scsicmd->cmnd[2] == 0x83) {
2455                                 /* vpd page 0x83 - Device Identification Page */
2456                                 char *sno = (char *)&inq_data;
2457                                 sno[3] = setinqserial(dev, &sno[4],
2458                                                       scmd_id(scsicmd));
2459                                 if (aac_wwn != 2)
2460                                         return aac_get_container_serial(
2461                                                 scsicmd);
2462                                 scsicmd->result = DID_OK << 16 |
2463                                   COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2464                         } else {
2465                                 /* vpd page not implemented */
2466                                 scsicmd->result = DID_OK << 16 |
2467                                   COMMAND_COMPLETE << 8 |
2468                                   SAM_STAT_CHECK_CONDITION;
2469                                 set_sense(&dev->fsa_dev[cid].sense_data,
2470                                   ILLEGAL_REQUEST, SENCODE_INVALID_CDB_FIELD,
2471                                   ASENCODE_NO_SENSE, 7, 2);
2472                                 memcpy(scsicmd->sense_buffer,
2473                                   &dev->fsa_dev[cid].sense_data,
2474                                   min_t(size_t,
2475                                         sizeof(dev->fsa_dev[cid].sense_data),
2476                                         SCSI_SENSE_BUFFERSIZE));
2477                         }
2478                         scsicmd->scsi_done(scsicmd);
2479                         return 0;
2480                 }
2481                 inq_data.inqd_ver = 2;  /* claim compliance to SCSI-2 */
2482                 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 */
2483                 inq_data.inqd_len = 31;
2484                 /*Format for "pad2" is  RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
2485                 inq_data.inqd_pad2= 0x32 ;       /*WBus16|Sync|CmdQue */
2486                 /*
2487                  *      Set the Vendor, Product, and Revision Level
2488                  *      see: <vendor>.c i.e. aac.c
2489                  */
2490                 if (cid == host->this_id) {
2491                         setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
2492                         inq_data.inqd_pdt = INQD_PDT_PROC;      /* Processor device */
2493                         scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2494                                                  sizeof(inq_data));
2495                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2496                         scsicmd->scsi_done(scsicmd);
2497                         return 0;
2498                 }
2499                 if (dev->in_reset)
2500                         return -1;
2501                 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
2502                 inq_data.inqd_pdt = INQD_PDT_DA;        /* Direct/random access device */
2503                 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
2504                 return aac_get_container_name(scsicmd);
2505         }
2506         case SERVICE_ACTION_IN_16:
2507                 if (!(dev->raw_io_interface) ||
2508                     !(dev->raw_io_64) ||
2509                     ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2510                         break;
2511         {
2512                 u64 capacity;
2513                 char cp[13];
2514                 unsigned int alloc_len;
2515
2516                 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
2517                 capacity = fsa_dev_ptr[cid].size - 1;
2518                 cp[0] = (capacity >> 56) & 0xff;
2519                 cp[1] = (capacity >> 48) & 0xff;
2520                 cp[2] = (capacity >> 40) & 0xff;
2521                 cp[3] = (capacity >> 32) & 0xff;
2522                 cp[4] = (capacity >> 24) & 0xff;
2523                 cp[5] = (capacity >> 16) & 0xff;
2524                 cp[6] = (capacity >> 8) & 0xff;
2525                 cp[7] = (capacity >> 0) & 0xff;
2526                 cp[8] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
2527                 cp[9] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
2528                 cp[10] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
2529                 cp[11] = (fsa_dev_ptr[cid].block_size) & 0xff;
2530                 cp[12] = 0;
2531
2532                 alloc_len = ((scsicmd->cmnd[10] << 24)
2533                              + (scsicmd->cmnd[11] << 16)
2534                              + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);
2535
2536                 alloc_len = min_t(size_t, alloc_len, sizeof(cp));
2537                 scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len);
2538                 if (alloc_len < scsi_bufflen(scsicmd))
2539                         scsi_set_resid(scsicmd,
2540                                        scsi_bufflen(scsicmd) - alloc_len);
2541
2542                 /* Do not cache partition table for arrays */
2543                 scsicmd->device->removable = 1;
2544
2545                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2546                 scsicmd->scsi_done(scsicmd);
2547
2548                 return 0;
2549         }
2550
2551         case READ_CAPACITY:
2552         {
2553                 u32 capacity;
2554                 char cp[8];
2555
2556                 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
2557                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
2558                         capacity = fsa_dev_ptr[cid].size - 1;
2559                 else
2560                         capacity = (u32)-1;
2561
2562                 cp[0] = (capacity >> 24) & 0xff;
2563                 cp[1] = (capacity >> 16) & 0xff;
2564                 cp[2] = (capacity >> 8) & 0xff;
2565                 cp[3] = (capacity >> 0) & 0xff;
2566                 cp[4] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
2567                 cp[5] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
2568                 cp[6] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
2569                 cp[7] = (fsa_dev_ptr[cid].block_size) & 0xff;
2570                 scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
2571                 /* Do not cache partition table for arrays */
2572                 scsicmd->device->removable = 1;
2573                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2574                   SAM_STAT_GOOD;
2575                 scsicmd->scsi_done(scsicmd);
2576
2577                 return 0;
2578         }
2579
2580         case MODE_SENSE:
2581         {
2582                 int mode_buf_length = 4;
2583                 u32 capacity;
2584                 aac_modep_data mpd;
2585
2586                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
2587                         capacity = fsa_dev_ptr[cid].size - 1;
2588                 else
2589                         capacity = (u32)-1;
2590
2591                 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
2592                 memset((char *)&mpd, 0, sizeof(aac_modep_data));
2593
2594                 /* Mode data length */
2595                 mpd.hd.data_length = sizeof(mpd.hd) - 1;
2596                 /* Medium type - default */
2597                 mpd.hd.med_type = 0;
2598                 /* Device-specific param,
2599                    bit 8: 0/1 = write enabled/protected
2600                    bit 4: 0/1 = FUA enabled */
2601                 mpd.hd.dev_par = 0;
2602
2603                 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
2604                         mpd.hd.dev_par = 0x10;
2605                 if (scsicmd->cmnd[1] & 0x8)
2606                         mpd.hd.bd_length = 0;   /* Block descriptor length */
2607                 else {
2608                         mpd.hd.bd_length = sizeof(mpd.bd);
2609                         mpd.hd.data_length += mpd.hd.bd_length;
2610                         mpd.bd.block_length[0] =
2611                                 (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
2612                         mpd.bd.block_length[1] =
2613                                 (fsa_dev_ptr[cid].block_size >> 8) &  0xff;
2614                         mpd.bd.block_length[2] =
2615                                 fsa_dev_ptr[cid].block_size  & 0xff;
2616
2617                         mpd.mpc_buf[0] = scsicmd->cmnd[2];
2618                         if (scsicmd->cmnd[2] == 0x1C) {
2619                                 /* page length */
2620                                 mpd.mpc_buf[1] = 0xa;
2621                                 /* Mode data length */
2622                                 mpd.hd.data_length = 23;
2623                         } else {
2624                                 /* Mode data length */
2625                                 mpd.hd.data_length = 15;
2626                         }
2627
2628                         if (capacity > 0xffffff) {
2629                                 mpd.bd.block_count[0] = 0xff;
2630                                 mpd.bd.block_count[1] = 0xff;
2631                                 mpd.bd.block_count[2] = 0xff;
2632                         } else {
2633                                 mpd.bd.block_count[0] = (capacity >> 16) & 0xff;
2634                                 mpd.bd.block_count[1] = (capacity >> 8) & 0xff;
2635                                 mpd.bd.block_count[2] = capacity  & 0xff;
2636                         }
2637                 }
2638                 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
2639                   ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
2640                         mpd.hd.data_length += 3;
2641                         mpd.mpc_buf[0] = 8;
2642                         mpd.mpc_buf[1] = 1;
2643                         mpd.mpc_buf[2] = ((aac_cache & 6) == 2)
2644                                 ? 0 : 0x04; /* WCE */
2645                         mode_buf_length = sizeof(mpd);
2646                 }
2647
2648                 if (mode_buf_length > scsicmd->cmnd[4])
2649                         mode_buf_length = scsicmd->cmnd[4];
2650                 else
2651                         mode_buf_length = sizeof(mpd);
2652                 scsi_sg_copy_from_buffer(scsicmd,
2653                                          (char *)&mpd,
2654                                          mode_buf_length);
2655                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2656                 scsicmd->scsi_done(scsicmd);
2657
2658                 return 0;
2659         }
2660         case MODE_SENSE_10:
2661         {
2662                 u32 capacity;
2663                 int mode_buf_length = 8;
2664                 aac_modep10_data mpd10;
2665
2666                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
2667                         capacity = fsa_dev_ptr[cid].size - 1;
2668                 else
2669                         capacity = (u32)-1;
2670
2671                 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
2672                 memset((char *)&mpd10, 0, sizeof(aac_modep10_data));
2673                 /* Mode data length (MSB) */
2674                 mpd10.hd.data_length[0] = 0;
2675                 /* Mode data length (LSB) */
2676                 mpd10.hd.data_length[1] = sizeof(mpd10.hd) - 1;
2677                 /* Medium type - default */
2678                 mpd10.hd.med_type = 0;
2679                 /* Device-specific param,
2680                    bit 8: 0/1 = write enabled/protected
2681                    bit 4: 0/1 = FUA enabled */
2682                 mpd10.hd.dev_par = 0;
2683
2684                 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
2685                         mpd10.hd.dev_par = 0x10;
2686                 mpd10.hd.rsrvd[0] = 0;  /* reserved */
2687                 mpd10.hd.rsrvd[1] = 0;  /* reserved */
2688                 if (scsicmd->cmnd[1] & 0x8) {
2689                         /* Block descriptor length (MSB) */
2690                         mpd10.hd.bd_length[0] = 0;
2691                         /* Block descriptor length (LSB) */
2692                         mpd10.hd.bd_length[1] = 0;
2693                 } else {
2694                         mpd10.hd.bd_length[0] = 0;
2695                         mpd10.hd.bd_length[1] = sizeof(mpd10.bd);
2696
2697                         mpd10.hd.data_length[1] += mpd10.hd.bd_length[1];
2698
2699                         mpd10.bd.block_length[0] =
2700                                 (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
2701                         mpd10.bd.block_length[1] =
2702                                 (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
2703                         mpd10.bd.block_length[2] =
2704                                 fsa_dev_ptr[cid].block_size  & 0xff;
2705
2706                         if (capacity > 0xffffff) {
2707                                 mpd10.bd.block_count[0] = 0xff;
2708                                 mpd10.bd.block_count[1] = 0xff;
2709                                 mpd10.bd.block_count[2] = 0xff;
2710                         } else {
2711                                 mpd10.bd.block_count[0] =
2712                                         (capacity >> 16) & 0xff;
2713                                 mpd10.bd.block_count[1] =
2714                                         (capacity >> 8) & 0xff;
2715                                 mpd10.bd.block_count[2] =
2716                                         capacity  & 0xff;
2717                         }
2718                 }
2719                 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
2720                   ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
2721                         mpd10.hd.data_length[1] += 3;
2722                         mpd10.mpc_buf[0] = 8;
2723                         mpd10.mpc_buf[1] = 1;
2724                         mpd10.mpc_buf[2] = ((aac_cache & 6) == 2)
2725                                 ? 0 : 0x04; /* WCE */
2726                         mode_buf_length = sizeof(mpd10);
2727                         if (mode_buf_length > scsicmd->cmnd[8])
2728                                 mode_buf_length = scsicmd->cmnd[8];
2729                 }
2730                 scsi_sg_copy_from_buffer(scsicmd,
2731                                          (char *)&mpd10,
2732                                          mode_buf_length);
2733
2734                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2735                 scsicmd->scsi_done(scsicmd);
2736
2737                 return 0;
2738         }
2739         case REQUEST_SENSE:
2740                 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
2741                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data));
2742                 memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data));
2743                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2744                 scsicmd->scsi_done(scsicmd);
2745                 return 0;
2746
2747         case ALLOW_MEDIUM_REMOVAL:
2748                 dprintk((KERN_DEBUG "LOCK command.\n"));
2749                 if (scsicmd->cmnd[4])
2750                         fsa_dev_ptr[cid].locked = 1;
2751                 else
2752                         fsa_dev_ptr[cid].locked = 0;
2753
2754                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2755                 scsicmd->scsi_done(scsicmd);
2756                 return 0;
2757         /*
2758          *      These commands are all No-Ops
2759          */
2760         case TEST_UNIT_READY:
2761                 if (fsa_dev_ptr[cid].sense_data.sense_key == NOT_READY) {
2762                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
2763                                 SAM_STAT_CHECK_CONDITION;
2764                         set_sense(&dev->fsa_dev[cid].sense_data,
2765                                   NOT_READY, SENCODE_BECOMING_READY,
2766                                   ASENCODE_BECOMING_READY, 0, 0);
2767                         memcpy(scsicmd->sense_buffer,
2768                                &dev->fsa_dev[cid].sense_data,
2769                                min_t(size_t,
2770                                      sizeof(dev->fsa_dev[cid].sense_data),
2771                                      SCSI_SENSE_BUFFERSIZE));
2772                         scsicmd->scsi_done(scsicmd);
2773                         return 0;
2774                 }
2775                 /* FALLTHRU */
2776         case RESERVE:
2777         case RELEASE:
2778         case REZERO_UNIT:
2779         case REASSIGN_BLOCKS:
2780         case SEEK_10:
2781                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2782                 scsicmd->scsi_done(scsicmd);
2783                 return 0;
2784
2785         case START_STOP:
2786                 return aac_start_stop(scsicmd);
2787         }
2788
2789         switch (scsicmd->cmnd[0])
2790         {
2791                 case READ_6:
2792                 case READ_10:
2793                 case READ_12:
2794                 case READ_16:
2795                         if (dev->in_reset)
2796                                 return -1;
2797                         /*
2798                          *      Hack to keep track of ordinal number of the device that
2799                          *      corresponds to a container. Needed to convert
2800                          *      containers to /dev/sd device names
2801                          */
2802
2803                         if (scsicmd->request->rq_disk)
2804                                 strlcpy(fsa_dev_ptr[cid].devname,
2805                                 scsicmd->request->rq_disk->disk_name,
2806                                 min(sizeof(fsa_dev_ptr[cid].devname),
2807                                 sizeof(scsicmd->request->rq_disk->disk_name) + 1));
2808
2809                         return aac_read(scsicmd);
2810
2811                 case WRITE_6:
2812                 case WRITE_10:
2813                 case WRITE_12:
2814                 case WRITE_16:
2815                         if (dev->in_reset)
2816                                 return -1;
2817                         return aac_write(scsicmd);
2818
2819                 case SYNCHRONIZE_CACHE:
2820                         if (((aac_cache & 6) == 6) && dev->cache_protected) {
2821                                 scsicmd->result = DID_OK << 16 |
2822                                         COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
2823                                 scsicmd->scsi_done(scsicmd);
2824                                 return 0;
2825                         }
2826                         /* Issue FIB to tell Firmware to flush it's cache */
2827                         if ((aac_cache & 6) != 2)
2828                                 return aac_synchronize(scsicmd);
2829                         /* FALLTHRU */
2830                 default:
2831                         /*
2832                          *      Unhandled commands
2833                          */
2834                         dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0]));
2835                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
2836                         set_sense(&dev->fsa_dev[cid].sense_data,
2837                           ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2838                           ASENCODE_INVALID_COMMAND, 0, 0);
2839                         memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2840                                 min_t(size_t,
2841                                       sizeof(dev->fsa_dev[cid].sense_data),
2842                                       SCSI_SENSE_BUFFERSIZE));
2843                         scsicmd->scsi_done(scsicmd);
2844                         return 0;
2845         }
2846 }
2847
2848 static int query_disk(struct aac_dev *dev, void __user *arg)
2849 {
2850         struct aac_query_disk qd;
2851         struct fsa_dev_info *fsa_dev_ptr;
2852
2853         fsa_dev_ptr = dev->fsa_dev;
2854         if (!fsa_dev_ptr)
2855                 return -EBUSY;
2856         if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
2857                 return -EFAULT;
2858         if (qd.cnum == -1)
2859                 qd.cnum = qd.id;
2860         else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1))
2861         {
2862                 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
2863                         return -EINVAL;
2864                 qd.instance = dev->scsi_host_ptr->host_no;
2865                 qd.bus = 0;
2866                 qd.id = CONTAINER_TO_ID(qd.cnum);
2867                 qd.lun = CONTAINER_TO_LUN(qd.cnum);
2868         }
2869         else return -EINVAL;
2870
2871         qd.valid = fsa_dev_ptr[qd.cnum].valid != 0;
2872         qd.locked = fsa_dev_ptr[qd.cnum].locked;
2873         qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
2874
2875         if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
2876                 qd.unmapped = 1;
2877         else
2878                 qd.unmapped = 0;
2879
2880         strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
2881           min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
2882
2883         if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
2884                 return -EFAULT;
2885         return 0;
2886 }
2887
2888 static int force_delete_disk(struct aac_dev *dev, void __user *arg)
2889 {
2890         struct aac_delete_disk dd;
2891         struct fsa_dev_info *fsa_dev_ptr;
2892
2893         fsa_dev_ptr = dev->fsa_dev;
2894         if (!fsa_dev_ptr)
2895                 return -EBUSY;
2896
2897         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2898                 return -EFAULT;
2899
2900         if (dd.cnum >= dev->maximum_num_containers)
2901                 return -EINVAL;
2902         /*
2903          *      Mark this container as being deleted.
2904          */
2905         fsa_dev_ptr[dd.cnum].deleted = 1;
2906         /*
2907          *      Mark the container as no longer valid
2908          */
2909         fsa_dev_ptr[dd.cnum].valid = 0;
2910         return 0;
2911 }
2912
2913 static int delete_disk(struct aac_dev *dev, void __user *arg)
2914 {
2915         struct aac_delete_disk dd;
2916         struct fsa_dev_info *fsa_dev_ptr;
2917
2918         fsa_dev_ptr = dev->fsa_dev;
2919         if (!fsa_dev_ptr)
2920                 return -EBUSY;
2921
2922         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
2923                 return -EFAULT;
2924
2925         if (dd.cnum >= dev->maximum_num_containers)
2926                 return -EINVAL;
2927         /*
2928          *      If the container is locked, it can not be deleted by the API.
2929          */
2930         if (fsa_dev_ptr[dd.cnum].locked)
2931                 return -EBUSY;
2932         else {
2933                 /*
2934                  *      Mark the container as no longer being valid.
2935                  */
2936                 fsa_dev_ptr[dd.cnum].valid = 0;
2937                 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
2938                 return 0;
2939         }
2940 }
2941
2942 int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg)
2943 {
2944         switch (cmd) {
2945         case FSACTL_QUERY_DISK:
2946                 return query_disk(dev, arg);
2947         case FSACTL_DELETE_DISK:
2948                 return delete_disk(dev, arg);
2949         case FSACTL_FORCE_DELETE_DISK:
2950                 return force_delete_disk(dev, arg);
2951         case FSACTL_GET_CONTAINERS:
2952                 return aac_get_containers(dev);
2953         default:
2954                 return -ENOTTY;
2955         }
2956 }
2957
2958 /**
2959  *
2960  * aac_srb_callback
2961  * @context: the context set in the fib - here it is scsi cmd
2962  * @fibptr: pointer to the fib
2963  *
2964  * Handles the completion of a scsi command to a non dasd device
2965  *
2966  */
2967
2968 static void aac_srb_callback(void *context, struct fib * fibptr)
2969 {
2970         struct aac_dev *dev;
2971         struct aac_srb_reply *srbreply;
2972         struct scsi_cmnd *scsicmd;
2973
2974         scsicmd = (struct scsi_cmnd *) context;
2975
2976         if (!aac_valid_context(scsicmd, fibptr))
2977                 return;
2978
2979         BUG_ON(fibptr == NULL);
2980
2981         dev = fibptr->dev;
2982
2983         srbreply = (struct aac_srb_reply *) fib_data(fibptr);
2984
2985         scsicmd->sense_buffer[0] = '\0';  /* Initialize sense valid flag to false */
2986
2987         if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) {
2988                 /* fast response */
2989                 srbreply->srb_status = cpu_to_le32(SRB_STATUS_SUCCESS);
2990                 srbreply->scsi_status = cpu_to_le32(SAM_STAT_GOOD);
2991         } else {
2992                 /*
2993                  *      Calculate resid for sg
2994                  */
2995                 scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
2996                                    - le32_to_cpu(srbreply->data_xfer_length));
2997         }
2998
2999         scsi_dma_unmap(scsicmd);
3000
3001         /* expose physical device if expose_physicald flag is on */
3002         if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01)
3003           && expose_physicals > 0)
3004                 aac_expose_phy_device(scsicmd);
3005
3006         /*
3007          * First check the fib status
3008          */
3009
3010         if (le32_to_cpu(srbreply->status) != ST_OK){
3011                 int len;
3012                 printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status));
3013                 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
3014                             SCSI_SENSE_BUFFERSIZE);
3015                 scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
3016                 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
3017         }
3018
3019         /*
3020          * Next check the srb status
3021          */
3022         switch( (le32_to_cpu(srbreply->srb_status))&0x3f){
3023         case SRB_STATUS_ERROR_RECOVERY:
3024         case SRB_STATUS_PENDING:
3025         case SRB_STATUS_SUCCESS:
3026                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
3027                 break;
3028         case SRB_STATUS_DATA_OVERRUN:
3029                 switch(scsicmd->cmnd[0]){
3030                 case  READ_6:
3031                 case  WRITE_6:
3032                 case  READ_10:
3033                 case  WRITE_10:
3034                 case  READ_12:
3035                 case  WRITE_12:
3036                 case  READ_16:
3037                 case  WRITE_16:
3038                         if (le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow) {
3039                                 printk(KERN_WARNING"aacraid: SCSI CMD underflow\n");
3040                         } else {
3041                                 printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n");
3042                         }
3043                         scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8;
3044                         break;
3045                 case INQUIRY: {
3046                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
3047                         break;
3048                 }
3049                 default:
3050                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8;
3051                         break;
3052                 }
3053                 break;
3054         case SRB_STATUS_ABORTED:
3055                 scsicmd->result = DID_ABORT << 16 | ABORT << 8;
3056                 break;
3057         case SRB_STATUS_ABORT_FAILED:
3058                 // Not sure about this one - but assuming the hba was trying to abort for some reason
3059                 scsicmd->result = DID_ERROR << 16 | ABORT << 8;
3060                 break;
3061         case SRB_STATUS_PARITY_ERROR:
3062                 scsicmd->result = DID_PARITY << 16 | MSG_PARITY_ERROR << 8;
3063                 break;
3064         case SRB_STATUS_NO_DEVICE:
3065         case SRB_STATUS_INVALID_PATH_ID:
3066         case SRB_STATUS_INVALID_TARGET_ID:
3067         case SRB_STATUS_INVALID_LUN:
3068         case SRB_STATUS_SELECTION_TIMEOUT:
3069                 scsicmd->result = DID_NO_CONNECT << 16 | COMMAND_COMPLETE << 8;
3070                 break;
3071
3072         case SRB_STATUS_COMMAND_TIMEOUT:
3073         case SRB_STATUS_TIMEOUT:
3074                 scsicmd->result = DID_TIME_OUT << 16 | COMMAND_COMPLETE << 8;
3075                 break;
3076
3077         case SRB_STATUS_BUSY:
3078                 scsicmd->result = DID_BUS_BUSY << 16 | COMMAND_COMPLETE << 8;
3079                 break;
3080
3081         case SRB_STATUS_BUS_RESET:
3082                 scsicmd->result = DID_RESET << 16 | COMMAND_COMPLETE << 8;
3083                 break;
3084
3085         case SRB_STATUS_MESSAGE_REJECTED:
3086                 scsicmd->result = DID_ERROR << 16 | MESSAGE_REJECT << 8;
3087                 break;
3088         case SRB_STATUS_REQUEST_FLUSHED:
3089         case SRB_STATUS_ERROR:
3090         case SRB_STATUS_INVALID_REQUEST:
3091         case SRB_STATUS_REQUEST_SENSE_FAILED:
3092         case SRB_STATUS_NO_HBA:
3093         case SRB_STATUS_UNEXPECTED_BUS_FREE:
3094         case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
3095         case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
3096         case SRB_STATUS_DELAYED_RETRY:
3097         case SRB_STATUS_BAD_FUNCTION:
3098         case SRB_STATUS_NOT_STARTED:
3099         case SRB_STATUS_NOT_IN_USE:
3100         case SRB_STATUS_FORCE_ABORT:
3101         case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
3102         default:
3103 #ifdef AAC_DETAILED_STATUS_INFO
3104                 printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n",
3105                         le32_to_cpu(srbreply->srb_status) & 0x3F,
3106                         aac_get_status_string(
3107                                 le32_to_cpu(srbreply->srb_status) & 0x3F),
3108                         scsicmd->cmnd[0],
3109                         le32_to_cpu(srbreply->scsi_status));
3110 #endif
3111                 if ((scsicmd->cmnd[0] == ATA_12)
3112                   || (scsicmd->cmnd[0] == ATA_16)) {
3113                         if (scsicmd->cmnd[2] & (0x01 << 5)) {
3114                                 scsicmd->result = DID_OK << 16
3115                                                 | COMMAND_COMPLETE << 8;
3116                                 break;
3117                         } else {
3118                                 scsicmd->result = DID_ERROR << 16
3119                                                 | COMMAND_COMPLETE << 8;
3120                                 break;
3121                         }
3122                 } else {
3123                         scsicmd->result = DID_ERROR << 16
3124                                         | COMMAND_COMPLETE << 8;
3125                         break;
3126                 }
3127         }
3128         if (le32_to_cpu(srbreply->scsi_status) == SAM_STAT_CHECK_CONDITION) {
3129                 int len;
3130                 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
3131                 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
3132                             SCSI_SENSE_BUFFERSIZE);
3133 #ifdef AAC_DETAILED_STATUS_INFO
3134                 printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n",
3135                                         le32_to_cpu(srbreply->status), len);
3136 #endif
3137                 memcpy(scsicmd->sense_buffer, srbreply->sense_data, len);
3138         }
3139         /*
3140          * OR in the scsi status (already shifted up a bit)
3141          */
3142         scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
3143
3144         aac_fib_complete(fibptr);
3145         aac_fib_free(fibptr);
3146         scsicmd->scsi_done(scsicmd);
3147 }
3148
3149 /**
3150  *
3151  * aac_send_scb_fib
3152  * @scsicmd: the scsi command block
3153  *
3154  * This routine will form a FIB and fill in the aac_srb from the
3155  * scsicmd passed in.
3156  */
3157
3158 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
3159 {
3160         struct fib* cmd_fibcontext;
3161         struct aac_dev* dev;
3162         int status;
3163
3164         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
3165         if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
3166                         scsicmd->device->lun > 7) {
3167                 scsicmd->result = DID_NO_CONNECT << 16;
3168                 scsicmd->scsi_done(scsicmd);
3169                 return 0;
3170         }
3171
3172         /*
3173          *      Allocate and initialize a Fib then setup a BlockWrite command
3174          */
3175         if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
3176                 return -1;
3177         }
3178         status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
3179
3180         /*
3181          *      Check that the command queued to the controller
3182          */
3183         if (status == -EINPROGRESS) {
3184                 scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
3185                 return 0;
3186         }
3187
3188         printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
3189         aac_fib_complete(cmd_fibcontext);
3190         aac_fib_free(cmd_fibcontext);
3191
3192         return -1;
3193 }
3194
3195 static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *psg)
3196 {
3197         struct aac_dev *dev;
3198         unsigned long byte_count = 0;
3199         int nseg;
3200
3201         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
3202         // Get rid of old data
3203         psg->count = 0;
3204         psg->sg[0].addr = 0;
3205         psg->sg[0].count = 0;
3206
3207         nseg = scsi_dma_map(scsicmd);
3208         if (nseg < 0)
3209                 return nseg;
3210         if (nseg) {
3211                 struct scatterlist *sg;
3212                 int i;
3213
3214                 psg->count = cpu_to_le32(nseg);
3215
3216                 scsi_for_each_sg(scsicmd, sg, nseg, i) {
3217                         psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
3218                         psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
3219                         byte_count += sg_dma_len(sg);
3220                 }
3221                 /* hba wants the size to be exact */
3222                 if (byte_count > scsi_bufflen(scsicmd)) {
3223                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3224                                 (byte_count - scsi_bufflen(scsicmd));
3225                         psg->sg[i-1].count = cpu_to_le32(temp);
3226                         byte_count = scsi_bufflen(scsicmd);
3227                 }
3228                 /* Check for command underflow */
3229                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
3230                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3231                                         byte_count, scsicmd->underflow);
3232                 }
3233         }
3234         return byte_count;
3235 }
3236
3237
3238 static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg)
3239 {
3240         struct aac_dev *dev;
3241         unsigned long byte_count = 0;
3242         u64 addr;
3243         int nseg;
3244
3245         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
3246         // Get rid of old data
3247         psg->count = 0;
3248         psg->sg[0].addr[0] = 0;
3249         psg->sg[0].addr[1] = 0;
3250         psg->sg[0].count = 0;
3251
3252         nseg = scsi_dma_map(scsicmd);
3253         if (nseg < 0)
3254                 return nseg;
3255         if (nseg) {
3256                 struct scatterlist *sg;
3257                 int i;
3258
3259                 scsi_for_each_sg(scsicmd, sg, nseg, i) {
3260                         int count = sg_dma_len(sg);
3261                         addr = sg_dma_address(sg);
3262                         psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
3263                         psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
3264                         psg->sg[i].count = cpu_to_le32(count);
3265                         byte_count += count;
3266                 }
3267                 psg->count = cpu_to_le32(nseg);
3268                 /* hba wants the size to be exact */
3269                 if (byte_count > scsi_bufflen(scsicmd)) {
3270                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3271                                 (byte_count - scsi_bufflen(scsicmd));
3272                         psg->sg[i-1].count = cpu_to_le32(temp);
3273                         byte_count = scsi_bufflen(scsicmd);
3274                 }
3275                 /* Check for command underflow */
3276                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
3277                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3278                                         byte_count, scsicmd->underflow);
3279                 }
3280         }
3281         return byte_count;
3282 }
3283
3284 static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg)
3285 {
3286         unsigned long byte_count = 0;
3287         int nseg;
3288
3289         // Get rid of old data
3290         psg->count = 0;
3291         psg->sg[0].next = 0;
3292         psg->sg[0].prev = 0;
3293         psg->sg[0].addr[0] = 0;
3294         psg->sg[0].addr[1] = 0;
3295         psg->sg[0].count = 0;
3296         psg->sg[0].flags = 0;
3297
3298         nseg = scsi_dma_map(scsicmd);
3299         if (nseg < 0)
3300                 return nseg;
3301         if (nseg) {
3302                 struct scatterlist *sg;
3303                 int i;
3304
3305                 scsi_for_each_sg(scsicmd, sg, nseg, i) {
3306                         int count = sg_dma_len(sg);
3307                         u64 addr = sg_dma_address(sg);
3308                         psg->sg[i].next = 0;
3309                         psg->sg[i].prev = 0;
3310                         psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
3311                         psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
3312                         psg->sg[i].count = cpu_to_le32(count);
3313                         psg->sg[i].flags = 0;
3314                         byte_count += count;
3315                 }
3316                 psg->count = cpu_to_le32(nseg);
3317                 /* hba wants the size to be exact */
3318                 if (byte_count > scsi_bufflen(scsicmd)) {
3319                         u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3320                                 (byte_count - scsi_bufflen(scsicmd));
3321                         psg->sg[i-1].count = cpu_to_le32(temp);
3322                         byte_count = scsi_bufflen(scsicmd);
3323                 }
3324                 /* Check for command underflow */
3325                 if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
3326                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3327                                         byte_count, scsicmd->underflow);
3328                 }
3329         }
3330         return byte_count;
3331 }
3332
3333 static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
3334                                 struct aac_raw_io2 *rio2, int sg_max)
3335 {
3336         unsigned long byte_count = 0;
3337         int nseg;
3338
3339         nseg = scsi_dma_map(scsicmd);
3340         if (nseg < 0)
3341                 return nseg;
3342         if (nseg) {
3343                 struct scatterlist *sg;
3344                 int i, conformable = 0;
3345                 u32 min_size = PAGE_SIZE, cur_size;
3346
3347                 scsi_for_each_sg(scsicmd, sg, nseg, i) {
3348                         int count = sg_dma_len(sg);
3349                         u64 addr = sg_dma_address(sg);
3350
3351                         BUG_ON(i >= sg_max);
3352                         rio2->sge[i].addrHigh = cpu_to_le32((u32)(addr>>32));
3353                         rio2->sge[i].addrLow = cpu_to_le32((u32)(addr & 0xffffffff));
3354                         cur_size = cpu_to_le32(count);
3355                         rio2->sge[i].length = cur_size;
3356                         rio2->sge[i].flags = 0;
3357                         if (i == 0) {
3358                                 conformable = 1;
3359                                 rio2->sgeFirstSize = cur_size;
3360                         } else if (i == 1) {
3361                                 rio2->sgeNominalSize = cur_size;
3362                                 min_size = cur_size;
3363                         } else if ((i+1) < nseg && cur_size != rio2->sgeNominalSize) {
3364                                 conformable = 0;
3365                                 if (cur_size < min_size)
3366                                         min_size = cur_size;
3367                         }
3368                         byte_count += count;
3369                 }
3370
3371                 /* hba wants the size to be exact */
3372                 if (byte_count > scsi_bufflen(scsicmd)) {
3373                         u32 temp = le32_to_cpu(rio2->sge[i-1].length) -
3374                                 (byte_count - scsi_bufflen(scsicmd));
3375                         rio2->sge[i-1].length = cpu_to_le32(temp);
3376                         byte_count = scsi_bufflen(scsicmd);
3377                 }
3378
3379                 rio2->sgeCnt = cpu_to_le32(nseg);
3380                 rio2->flags |= cpu_to_le16(RIO2_SG_FORMAT_IEEE1212);
3381                 /* not conformable: evaluate required sg elements */
3382                 if (!conformable) {
3383                         int j, nseg_new = nseg, err_found;
3384                         for (i = min_size / PAGE_SIZE; i >= 1; --i) {
3385                                 err_found = 0;
3386                                 nseg_new = 2;
3387                                 for (j = 1; j < nseg - 1; ++j) {
3388                                         if (rio2->sge[j].length % (i*PAGE_SIZE)) {
3389                                                 err_found = 1;
3390                                                 break;
3391                                         }
3392                                         nseg_new += (rio2->sge[j].length / (i*PAGE_SIZE));
3393                                 }
3394                                 if (!err_found)
3395                                         break;
3396                         }
3397                         if (i > 0 && nseg_new <= sg_max)
3398                                 aac_convert_sgraw2(rio2, i, nseg, nseg_new);
3399                 } else
3400                         rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
3401
3402                 /* Check for command underflow */
3403                 if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
3404                         printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3405                                         byte_count, scsicmd->underflow);
3406                 }
3407         }
3408
3409         return byte_count;
3410 }
3411
3412 static int aac_convert_sgraw2(struct aac_raw_io2 *rio2, int pages, int nseg, int nseg_new)
3413 {
3414         struct sge_ieee1212 *sge;
3415         int i, j, pos;
3416         u32 addr_low;
3417
3418         if (aac_convert_sgl == 0)
3419                 return 0;
3420
3421         sge = kmalloc(nseg_new * sizeof(struct sge_ieee1212), GFP_ATOMIC);
3422         if (sge == NULL)
3423                 return -1;
3424
3425         for (i = 1, pos = 1; i < nseg-1; ++i) {
3426                 for (j = 0; j < rio2->sge[i].length / (pages * PAGE_SIZE); ++j) {
3427                         addr_low = rio2->sge[i].addrLow + j * pages * PAGE_SIZE;
3428                         sge[pos].addrLow = addr_low;
3429                         sge[pos].addrHigh = rio2->sge[i].addrHigh;
3430                         if (addr_low < rio2->sge[i].addrLow)
3431                                 sge[pos].addrHigh++;
3432                         sge[pos].length = pages * PAGE_SIZE;
3433                         sge[pos].flags = 0;
3434                         pos++;
3435                 }
3436         }
3437         sge[pos] = rio2->sge[nseg-1];
3438         memcpy(&rio2->sge[1], &sge[1], (nseg_new-1)*sizeof(struct sge_ieee1212));
3439
3440         kfree(sge);
3441         rio2->sgeCnt = cpu_to_le32(nseg_new);
3442         rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
3443         rio2->sgeNominalSize = pages * PAGE_SIZE;
3444         return 0;
3445 }
3446
3447 #ifdef AAC_DETAILED_STATUS_INFO
3448
3449 struct aac_srb_status_info {
3450         u32     status;
3451         char    *str;
3452 };
3453
3454
3455 static struct aac_srb_status_info srb_status_info[] = {
3456         { SRB_STATUS_PENDING,           "Pending Status"},
3457         { SRB_STATUS_SUCCESS,           "Success"},
3458         { SRB_STATUS_ABORTED,           "Aborted Command"},
3459         { SRB_STATUS_ABORT_FAILED,      "Abort Failed"},
3460         { SRB_STATUS_ERROR,             "Error Event"},
3461         { SRB_STATUS_BUSY,              "Device Busy"},
3462         { SRB_STATUS_INVALID_REQUEST,   "Invalid Request"},
3463         { SRB_STATUS_INVALID_PATH_ID,   "Invalid Path ID"},
3464         { SRB_STATUS_NO_DEVICE,         "No Device"},
3465         { SRB_STATUS_TIMEOUT,           "Timeout"},
3466         { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
3467         { SRB_STATUS_COMMAND_TIMEOUT,   "Command Timeout"},
3468         { SRB_STATUS_MESSAGE_REJECTED,  "Message Rejected"},
3469         { SRB_STATUS_BUS_RESET,         "Bus Reset"},
3470         { SRB_STATUS_PARITY_ERROR,      "Parity Error"},
3471         { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
3472         { SRB_STATUS_NO_HBA,            "No HBA"},
3473         { SRB_STATUS_DATA_OVERRUN,      "Data Overrun/Data Underrun"},
3474         { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
3475         { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
3476         { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
3477         { SRB_STATUS_REQUEST_FLUSHED,   "Request Flushed"},
3478         { SRB_STATUS_DELAYED_RETRY,     "Delayed Retry"},
3479         { SRB_STATUS_INVALID_LUN,       "Invalid LUN"},
3480         { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
3481         { SRB_STATUS_BAD_FUNCTION,      "Bad Function"},
3482         { SRB_STATUS_ERROR_RECOVERY,    "Error Recovery"},
3483         { SRB_STATUS_NOT_STARTED,       "Not Started"},
3484         { SRB_STATUS_NOT_IN_USE,        "Not In Use"},
3485         { SRB_STATUS_FORCE_ABORT,       "Force Abort"},
3486         { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
3487         { 0xff,                         "Unknown Error"}
3488 };
3489
3490 char *aac_get_status_string(u32 status)
3491 {
3492         int i;
3493
3494         for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
3495                 if (srb_status_info[i].status == status)
3496                         return srb_status_info[i].str;
3497
3498         return "Bad Status Code";
3499 }
3500
3501 #endif