drivers/scsi/aacraid/aachba.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *      Adaptec AAC series RAID controller driver
   4  *      (c) Copyright 2001 Red Hat Inc.
   5  *
   6  * based on the old aacraid driver that is..
   7  * Adaptec aacraid device driver for Linux.
   8  *
   9  * Copyright (c) 2000-2010 Adaptec, Inc.
  10  *               2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
  11  *               2016-2017 Microsemi Corp. (aacraid@microsemi.com)
  12  *
  13  * Module Name:
  14  *  aachba.c
  15  *
  16  * Abstract: Contains Interfaces to manage IOs.
  17  */
  18
  19 #include <linux/kernel.h>
  20 #include <linux/init.h>
  21 #include <linux/types.h>
  22 #include <linux/pci.h>
  23 #include <linux/spinlock.h>
  24 #include <linux/slab.h>
  25 #include <linux/completion.h>
  26 #include <linux/blkdev.h>
  27 #include <linux/uaccess.h>
  28 #include <linux/module.h>
  29
  30 #include <asm/unaligned.h>
  31
  32 #include <scsi/scsi.h>
  33 #include <scsi/scsi_cmnd.h>
  34 #include <scsi/scsi_device.h>
  35 #include <scsi/scsi_host.h>
  36
  37 #include "aacraid.h"
  38
  39 /* values for inqd_pdt: Peripheral device type in plain English */
  40 #define INQD_PDT_DA     0x00    /* Direct-access (DISK) device */
  41 #define INQD_PDT_PROC   0x03    /* Processor device */
  42 #define INQD_PDT_CHNGR  0x08    /* Changer (jukebox, scsi2) */
  43 #define INQD_PDT_COMM   0x09    /* Communication device (scsi2) */
  44 #define INQD_PDT_NOLUN2 0x1f    /* Unknown Device (scsi2) */
  45 #define INQD_PDT_NOLUN  0x7f    /* Logical Unit Not Present */
  46
  47 #define INQD_PDT_DMASK  0x1F    /* Peripheral Device Type Mask */
  48 #define INQD_PDT_QMASK  0xE0    /* Peripheral Device Qualifer Mask */
  49
  50 /*
  51  *      Sense codes
  52  */
  53
  54 #define SENCODE_NO_SENSE                        0x00
  55 #define SENCODE_END_OF_DATA                     0x00
  56 #define SENCODE_BECOMING_READY                  0x04
  57 #define SENCODE_INIT_CMD_REQUIRED               0x04
  58 #define SENCODE_UNRECOVERED_READ_ERROR          0x11
  59 #define SENCODE_PARAM_LIST_LENGTH_ERROR         0x1A
  60 #define SENCODE_INVALID_COMMAND                 0x20
  61 #define SENCODE_LBA_OUT_OF_RANGE                0x21
  62 #define SENCODE_INVALID_CDB_FIELD               0x24
  63 #define SENCODE_LUN_NOT_SUPPORTED               0x25
  64 #define SENCODE_INVALID_PARAM_FIELD             0x26
  65 #define SENCODE_PARAM_NOT_SUPPORTED             0x26
  66 #define SENCODE_PARAM_VALUE_INVALID             0x26
  67 #define SENCODE_RESET_OCCURRED                  0x29
  68 #define SENCODE_LUN_NOT_SELF_CONFIGURED_YET     0x3E
  69 #define SENCODE_INQUIRY_DATA_CHANGED            0x3F
  70 #define SENCODE_SAVING_PARAMS_NOT_SUPPORTED     0x39
  71 #define SENCODE_DIAGNOSTIC_FAILURE              0x40
  72 #define SENCODE_INTERNAL_TARGET_FAILURE         0x44
  73 #define SENCODE_INVALID_MESSAGE_ERROR           0x49
  74 #define SENCODE_LUN_FAILED_SELF_CONFIG          0x4c
  75 #define SENCODE_OVERLAPPED_COMMAND              0x4E
  76
  77 /*
  78  *      Additional sense codes
  79  */
  80
  81 #define ASENCODE_NO_SENSE                       0x00
  82 #define ASENCODE_END_OF_DATA                    0x05
  83 #define ASENCODE_BECOMING_READY                 0x01
  84 #define ASENCODE_INIT_CMD_REQUIRED              0x02
  85 #define ASENCODE_PARAM_LIST_LENGTH_ERROR        0x00
  86 #define ASENCODE_INVALID_COMMAND                0x00
  87 #define ASENCODE_LBA_OUT_OF_RANGE               0x00
  88 #define ASENCODE_INVALID_CDB_FIELD              0x00
  89 #define ASENCODE_LUN_NOT_SUPPORTED              0x00
  90 #define ASENCODE_INVALID_PARAM_FIELD            0x00
  91 #define ASENCODE_PARAM_NOT_SUPPORTED            0x01
  92 #define ASENCODE_PARAM_VALUE_INVALID            0x02
  93 #define ASENCODE_RESET_OCCURRED                 0x00
  94 #define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET    0x00
  95 #define ASENCODE_INQUIRY_DATA_CHANGED           0x03
  96 #define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED    0x00
  97 #define ASENCODE_DIAGNOSTIC_FAILURE             0x80
  98 #define ASENCODE_INTERNAL_TARGET_FAILURE        0x00
  99 #define ASENCODE_INVALID_MESSAGE_ERROR          0x00
 100 #define ASENCODE_LUN_FAILED_SELF_CONFIG         0x00
 101 #define ASENCODE_OVERLAPPED_COMMAND             0x00
 102
 103 #define BYTE0(x) (unsigned char)(x)
 104 #define BYTE1(x) (unsigned char)((x) >> 8)
 105 #define BYTE2(x) (unsigned char)((x) >> 16)
 106 #define BYTE3(x) (unsigned char)((x) >> 24)
 107
 108 /* MODE_SENSE data format */
 109 typedef struct {
 110         struct {
 111                 u8      data_length;
 112                 u8      med_type;
 113                 u8      dev_par;
 114                 u8      bd_length;
 115         } __attribute__((packed)) hd;
 116         struct {
 117                 u8      dens_code;
 118                 u8      block_count[3];
 119                 u8      reserved;
 120                 u8      block_length[3];
 121         } __attribute__((packed)) bd;
 122                 u8      mpc_buf[3];
 123 } __attribute__((packed)) aac_modep_data;
 124
 125 /* MODE_SENSE_10 data format */
 126 typedef struct {
 127         struct {
 128                 u8      data_length[2];
 129                 u8      med_type;
 130                 u8      dev_par;
 131                 u8      rsrvd[2];
 132                 u8      bd_length[2];
 133         } __attribute__((packed)) hd;
 134         struct {
 135                 u8      dens_code;
 136                 u8      block_count[3];
 137                 u8      reserved;
 138                 u8      block_length[3];
 139         } __attribute__((packed)) bd;
 140                 u8      mpc_buf[3];
 141 } __attribute__((packed)) aac_modep10_data;
 142
 143 /*------------------------------------------------------------------------------
 144  *              S T R U C T S / T Y P E D E F S
 145  *----------------------------------------------------------------------------*/
 146 /* SCSI inquiry data */
 147 struct inquiry_data {
 148         u8 inqd_pdt;    /* Peripheral qualifier | Peripheral Device Type */
 149         u8 inqd_dtq;    /* RMB | Device Type Qualifier */
 150         u8 inqd_ver;    /* ISO version | ECMA version | ANSI-approved version */
 151         u8 inqd_rdf;    /* AENC | TrmIOP | Response data format */
 152         u8 inqd_len;    /* Additional length (n-4) */
 153         u8 inqd_pad1[2];/* Reserved - must be zero */
 154         u8 inqd_pad2;   /* RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
 155         u8 inqd_vid[8]; /* Vendor ID */
 156         u8 inqd_pid[16];/* Product ID */
 157         u8 inqd_prl[4]; /* Product Revision Level */
 158 };
 159
 160 /* Added for VPD 0x83 */
 161 struct  tvpd_id_descriptor_type_1 {
 162         u8 codeset:4;           /* VPD_CODE_SET */
 163         u8 reserved:4;
 164         u8 identifiertype:4;    /* VPD_IDENTIFIER_TYPE */
 165         u8 reserved2:4;
 166         u8 reserved3;
 167         u8 identifierlength;
 168         u8 venid[8];
 169         u8 productid[16];
 170         u8 serialnumber[8];     /* SN in ASCII */
 171
 172 };
 173
 174 struct tvpd_id_descriptor_type_2 {
 175         u8 codeset:4;           /* VPD_CODE_SET */
 176         u8 reserved:4;
 177         u8 identifiertype:4;    /* VPD_IDENTIFIER_TYPE */
 178         u8 reserved2:4;
 179         u8 reserved3;
 180         u8 identifierlength;
 181         struct teu64id {
 182                 u32 Serial;
 183                  /* The serial number supposed to be 40 bits,
 184                   * bit we only support 32, so make the last byte zero. */
 185                 u8 reserved;
 186                 u8 venid[3];
 187         } eu64id;
 188
 189 };
 190
 191 struct tvpd_id_descriptor_type_3 {
 192         u8 codeset : 4;          /* VPD_CODE_SET */
 193         u8 reserved : 4;
 194         u8 identifiertype : 4;   /* VPD_IDENTIFIER_TYPE */
 195         u8 reserved2 : 4;
 196         u8 reserved3;
 197         u8 identifierlength;
 198         u8 Identifier[16];
 199 };
 200
 201 struct tvpd_page83 {
 202         u8 DeviceType:5;
 203         u8 DeviceTypeQualifier:3;
 204         u8 PageCode;
 205         u8 reserved;
 206         u8 PageLength;
 207         struct tvpd_id_descriptor_type_1 type1;
 208         struct tvpd_id_descriptor_type_2 type2;
 209         struct tvpd_id_descriptor_type_3 type3;
 210 };
 211
 212 /*
 213  *              M O D U L E   G L O B A L S
 214  */
 215
 216 static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *sgmap);
 217 static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg);
 218 static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg);
 219 static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
 220                                 struct aac_raw_io2 *rio2, int sg_max);
 221 static long aac_build_sghba(struct scsi_cmnd *scsicmd,
 222                                 struct aac_hba_cmd_req *hbacmd,
 223                                 int sg_max, u64 sg_address);
 224 static int aac_convert_sgraw2(struct aac_raw_io2 *rio2,
 225                                 int pages, int nseg, int nseg_new);
 226 static void aac_probe_container_scsi_done(struct scsi_cmnd *scsi_cmnd);
 227 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
 228 static int aac_send_hba_fib(struct scsi_cmnd *scsicmd);
 229 #ifdef AAC_DETAILED_STATUS_INFO
 230 static char *aac_get_status_string(u32 status);
 231 #endif
 232
 233 /*
 234  *      Non dasd selection is handled entirely in aachba now
 235  */
 236
 237 static int nondasd = -1;
 238 static int aac_cache = 2;       /* WCE=0 to avoid performance problems */
 239 static int dacmode = -1;
 240 int aac_msi;
 241 int aac_commit = -1;
 242 int startup_timeout = 180;
 243 int aif_timeout = 120;
 244 int aac_sync_mode;  /* Only Sync. transfer - disabled */
 245 static int aac_convert_sgl = 1; /* convert non-conformable s/g list - enabled */
 246
 247 module_param(aac_sync_mode, int, S_IRUGO|S_IWUSR);
 248 MODULE_PARM_DESC(aac_sync_mode, "Force sync. transfer mode"
 249         " 0=off, 1=on");
 250 module_param(aac_convert_sgl, int, S_IRUGO|S_IWUSR);
 251 MODULE_PARM_DESC(aac_convert_sgl, "Convert non-conformable s/g list"
 252         " 0=off, 1=on");
 253 module_param(nondasd, int, S_IRUGO|S_IWUSR);
 254 MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices."
 255         " 0=off, 1=on");
 256 module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR);
 257 MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n"
 258         "\tbit 0 - Disable FUA in WRITE SCSI commands\n"
 259         "\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n"
 260         "\tbit 2 - Disable only if Battery is protecting Cache");
 261 module_param(dacmode, int, S_IRUGO|S_IWUSR);
 262 MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC."
 263         " 0=off, 1=on");
 264 module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
 265 MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the"
 266         " adapter for foreign arrays.\n"
 267         "This is typically needed in systems that do not have a BIOS."
 268         " 0=off, 1=on");
 269 module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR);
 270 MODULE_PARM_DESC(msi, "IRQ handling."
 271         " 0=PIC(default), 1=MSI, 2=MSI-X)");
 272 module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
 273 MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for"
 274         " adapter to have its kernel up and\n"
 275         "running. This is typically adjusted for large systems that do not"
 276         " have a BIOS.");
 277 module_param(aif_timeout, int, S_IRUGO|S_IWUSR);
 278 MODULE_PARM_DESC(aif_timeout, "The duration of time in seconds to wait for"
 279         " applications to pick up AIFs before\n"
 280         "deregistering them. This is typically adjusted for heavily burdened"
 281         " systems.");
 282
 283 int aac_fib_dump;
 284 module_param(aac_fib_dump, int, 0644);
 285 MODULE_PARM_DESC(aac_fib_dump, "Dump controller fibs prior to IOP_RESET 0=off, 1=on");
 286
 287 int numacb = -1;
 288 module_param(numacb, int, S_IRUGO|S_IWUSR);
 289 MODULE_PARM_DESC(numacb, "Request a limit to the number of adapter control"
 290         " blocks (FIB) allocated. Valid values are 512 and down. Default is"
 291         " to use suggestion from Firmware.");
 292
 293 static int acbsize = -1;
 294 module_param(acbsize, int, S_IRUGO|S_IWUSR);
 295 MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB)"
 296         " size. Valid values are 512, 2048, 4096 and 8192. Default is to use"
 297         " suggestion from Firmware.");
 298
 299 int update_interval = 30 * 60;
 300 module_param(update_interval, int, S_IRUGO|S_IWUSR);
 301 MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync"
 302         " updates issued to adapter.");
 303
 304 int check_interval = 60;
 305 module_param(check_interval, int, S_IRUGO|S_IWUSR);
 306 MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
 307         " checks.");
 308
 309 int aac_check_reset = 1;
 310 module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
 311 MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the"
 312         " adapter. a value of -1 forces the reset to adapters programmed to"
 313         " ignore it.");
 314
 315 int expose_physicals = -1;
 316 module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
 317 MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays."
 318         " -1=protect 0=off, 1=on");
 319
 320 int aac_reset_devices;
 321 module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
 322 MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
 323
 324 static int aac_wwn = 1;
 325 module_param_named(wwn, aac_wwn, int, S_IRUGO|S_IWUSR);
 326 MODULE_PARM_DESC(wwn, "Select a WWN type for the arrays:\n"
 327         "\t0 - Disable\n"
 328         "\t1 - Array Meta Data Signature (default)\n"
 329         "\t2 - Adapter Serial Number");
 330
 331
 332 static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
 333                 struct fib *fibptr) {
 334         struct scsi_device *device;
 335
 336         if (unlikely(!scsicmd)) {
 337                 dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n"));
 338                 aac_fib_complete(fibptr);
 339                 return 0;
 340         }
 341         aac_priv(scsicmd)->owner = AAC_OWNER_MIDLEVEL;
 342         device = scsicmd->device;
 343         if (unlikely(!device)) {
 344                 dprintk((KERN_WARNING "aac_valid_context: scsi device corrupt\n"));
 345                 aac_fib_complete(fibptr);
 346                 return 0;
 347         }
 348         return 1;
 349 }
 350
 351 /**
 352  *      aac_get_config_status   -       check the adapter configuration
 353  *      @dev: aac driver data
 354  *      @commit_flag: force sending CT_COMMIT_CONFIG
 355  *
 356  *      Query config status, and commit the configuration if needed.
 357  */
 358 int aac_get_config_status(struct aac_dev *dev, int commit_flag)
 359 {
 360         int status = 0;
 361         struct fib * fibptr;
 362
 363         if (!(fibptr = aac_fib_alloc(dev)))
 364                 return -ENOMEM;
 365
 366         aac_fib_init(fibptr);
 367         {
 368                 struct aac_get_config_status *dinfo;
 369                 dinfo = (struct aac_get_config_status *) fib_data(fibptr);
 370
 371                 dinfo->command = cpu_to_le32(VM_ContainerConfig);
 372                 dinfo->type = cpu_to_le32(CT_GET_CONFIG_STATUS);
 373                 dinfo->count = cpu_to_le32(sizeof(((struct aac_get_config_status_resp *)NULL)->data));
 374         }
 375
 376         status = aac_fib_send(ContainerCommand,
 377                             fibptr,
 378                             sizeof (struct aac_get_config_status),
 379                             FsaNormal,
 380                             1, 1,
 381                             NULL, NULL);
 382         if (status < 0) {
 383                 printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n");
 384         } else {
 385                 struct aac_get_config_status_resp *reply
 386                   = (struct aac_get_config_status_resp *) fib_data(fibptr);
 387                 dprintk((KERN_WARNING
 388                   "aac_get_config_status: response=%d status=%d action=%d\n",
 389                   le32_to_cpu(reply->response),
 390                   le32_to_cpu(reply->status),
 391                   le32_to_cpu(reply->data.action)));
 392                 if ((le32_to_cpu(reply->response) != ST_OK) ||
 393                      (le32_to_cpu(reply->status) != CT_OK) ||
 394                      (le32_to_cpu(reply->data.action) > CFACT_PAUSE)) {
 395                         printk(KERN_WARNING "aac_get_config_status: Will not issue the Commit Configuration\n");
 396                         status = -EINVAL;
 397                 }
 398         }
 399         /* Do not set XferState to zero unless receives a response from F/W */
 400         if (status >= 0)
 401                 aac_fib_complete(fibptr);
 402
 403         /* Send a CT_COMMIT_CONFIG to enable discovery of devices */
 404         if (status >= 0) {
 405                 if ((aac_commit == 1) || commit_flag) {
 406                         struct aac_commit_config * dinfo;
 407                         aac_fib_init(fibptr);
 408                         dinfo = (struct aac_commit_config *) fib_data(fibptr);
 409
 410                         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 411                         dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG);
 412
 413                         status = aac_fib_send(ContainerCommand,
 414                                     fibptr,
 415                                     sizeof (struct aac_commit_config),
 416                                     FsaNormal,
 417                                     1, 1,
 418                                     NULL, NULL);
 419                         /* Do not set XferState to zero unless
 420                          * receives a response from F/W */
 421                         if (status >= 0)
 422                                 aac_fib_complete(fibptr);
 423                 } else if (aac_commit == 0) {
 424                         printk(KERN_WARNING
 425                           "aac_get_config_status: Foreign device configurations are being ignored\n");
 426                 }
 427         }
 428         /* FIB should be freed only after getting the response from the F/W */
 429         if (status != -ERESTARTSYS)
 430                 aac_fib_free(fibptr);
 431         return status;
 432 }
 433
 434 static void aac_expose_phy_device(struct scsi_cmnd *scsicmd)
 435 {
 436         char inq_data;
 437         scsi_sg_copy_to_buffer(scsicmd,  &inq_data, sizeof(inq_data));
 438         if ((inq_data & 0x20) && (inq_data & 0x1f) == TYPE_DISK) {
 439                 inq_data &= 0xdf;
 440                 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
 441         }
 442 }
 443
 444 /**
 445  *      aac_get_containers      -       list containers
 446  *      @dev: aac driver data
 447  *
 448  *      Make a list of all containers on this controller
 449  */
 450 int aac_get_containers(struct aac_dev *dev)
 451 {
 452         struct fsa_dev_info *fsa_dev_ptr;
 453         u32 index;
 454         int status = 0;
 455         struct fib * fibptr;
 456         struct aac_get_container_count *dinfo;
 457         struct aac_get_container_count_resp *dresp;
 458         int maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 459
 460         if (!(fibptr = aac_fib_alloc(dev)))
 461                 return -ENOMEM;
 462
 463         aac_fib_init(fibptr);
 464         dinfo = (struct aac_get_container_count *) fib_data(fibptr);
 465         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 466         dinfo->type = cpu_to_le32(CT_GET_CONTAINER_COUNT);
 467
 468         status = aac_fib_send(ContainerCommand,
 469                     fibptr,
 470                     sizeof (struct aac_get_container_count),
 471                     FsaNormal,
 472                     1, 1,
 473                     NULL, NULL);
 474         if (status >= 0) {
 475                 dresp = (struct aac_get_container_count_resp *)fib_data(fibptr);
 476                 maximum_num_containers = le32_to_cpu(dresp->ContainerSwitchEntries);
 477                 if (fibptr->dev->supplement_adapter_info.supported_options2 &
 478                     AAC_OPTION_SUPPORTED_240_VOLUMES) {
 479                         maximum_num_containers =
 480                                 le32_to_cpu(dresp->MaxSimpleVolumes);
 481                 }
 482                 aac_fib_complete(fibptr);
 483         }
 484         /* FIB should be freed only after getting the response from the F/W */
 485         if (status != -ERESTARTSYS)
 486                 aac_fib_free(fibptr);
 487
 488         if (maximum_num_containers < MAXIMUM_NUM_CONTAINERS)
 489                 maximum_num_containers = MAXIMUM_NUM_CONTAINERS;
 490         if (dev->fsa_dev == NULL ||
 491                 dev->maximum_num_containers != maximum_num_containers) {
 492
 493                 fsa_dev_ptr = dev->fsa_dev;
 494
 495                 dev->fsa_dev = kcalloc(maximum_num_containers,
 496                                         sizeof(*fsa_dev_ptr), GFP_KERNEL);
 497
 498                 kfree(fsa_dev_ptr);
 499                 fsa_dev_ptr = NULL;
 500
 501
 502                 if (!dev->fsa_dev)
 503                         return -ENOMEM;
 504
 505                 dev->maximum_num_containers = maximum_num_containers;
 506         }
 507         for (index = 0; index < dev->maximum_num_containers; index++) {
 508                 dev->fsa_dev[index].devname[0] = '\0';
 509                 dev->fsa_dev[index].valid = 0;
 510
 511                 status = aac_probe_container(dev, index);
 512
 513                 if (status < 0) {
 514                         printk(KERN_WARNING "aac_get_containers: SendFIB failed.\n");
 515                         break;
 516                 }
 517         }
 518         return status;
 519 }
 520
 521 static void aac_scsi_done(struct scsi_cmnd *scmd)
 522 {
 523         if (scmd->device->request_queue) {
 524                 /* SCSI command has been submitted by the SCSI mid-layer. */
 525                 scsi_done(scmd);
 526         } else {
 527                 /* SCSI command has been submitted by aac_probe_container(). */
 528                 aac_probe_container_scsi_done(scmd);
 529         }
 530 }
 531
 532 static void get_container_name_callback(void *context, struct fib * fibptr)
 533 {
 534         struct aac_get_name_resp * get_name_reply;
 535         struct scsi_cmnd * scsicmd;
 536
 537         scsicmd = (struct scsi_cmnd *) context;
 538
 539         if (!aac_valid_context(scsicmd, fibptr))
 540                 return;
 541
 542         dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
 543         BUG_ON(fibptr == NULL);
 544
 545         get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
 546         /* Failure is irrelevant, using default value instead */
 547         if ((le32_to_cpu(get_name_reply->status) == CT_OK)
 548          && (get_name_reply->data[0] != '\0')) {
 549                 char *sp = get_name_reply->data;
 550                 int data_size = sizeof_field(struct aac_get_name_resp, data);
 551
 552                 sp[data_size - 1] = '\0';
 553                 while (*sp == ' ')
 554                         ++sp;
 555                 if (*sp) {
 556                         struct inquiry_data inq;
 557                         char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
 558                         int count = sizeof(d);
 559                         char *dp = d;
 560                         do {
 561                                 *dp++ = (*sp) ? *sp++ : ' ';
 562                         } while (--count > 0);
 563
 564                         scsi_sg_copy_to_buffer(scsicmd, &inq, sizeof(inq));
 565                         memcpy(inq.inqd_pid, d, sizeof(d));
 566                         scsi_sg_copy_from_buffer(scsicmd, &inq, sizeof(inq));
 567                 }
 568         }
 569
 570         scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
 571
 572         aac_fib_complete(fibptr);
 573         aac_scsi_done(scsicmd);
 574 }
 575
 576 /*
 577  *      aac_get_container_name  -       get container name, none blocking.
 578  */
 579 static int aac_get_container_name(struct scsi_cmnd * scsicmd)
 580 {
 581         int status;
 582         int data_size;
 583         struct aac_get_name *dinfo;
 584         struct fib * cmd_fibcontext;
 585         struct aac_dev * dev;
 586
 587         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 588
 589         data_size = sizeof_field(struct aac_get_name_resp, data);
 590
 591         cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
 592
 593         aac_fib_init(cmd_fibcontext);
 594         dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
 595         aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
 596
 597         dinfo->command = cpu_to_le32(VM_ContainerConfig);
 598         dinfo->type = cpu_to_le32(CT_READ_NAME);
 599         dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
 600         dinfo->count = cpu_to_le32(data_size - 1);
 601
 602         status = aac_fib_send(ContainerCommand,
 603                   cmd_fibcontext,
 604                   sizeof(struct aac_get_name_resp),
 605                   FsaNormal,
 606                   0, 1,
 607                   (fib_callback)get_container_name_callback,
 608                   (void *) scsicmd);
 609
 610         /*
 611          *      Check that the command queued to the controller
 612          */
 613         if (status == -EINPROGRESS)
 614                 return 0;
 615
 616         printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status);
 617         aac_fib_complete(cmd_fibcontext);
 618         return -1;
 619 }
 620
 621 static int aac_probe_container_callback2(struct scsi_cmnd * scsicmd)
 622 {
 623         struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 624
 625         if ((fsa_dev_ptr[scmd_id(scsicmd)].valid & 1))
 626                 return aac_scsi_cmd(scsicmd);
 627
 628         scsicmd->result = DID_NO_CONNECT << 16;
 629         aac_scsi_done(scsicmd);
 630         return 0;
 631 }
 632
 633 static void _aac_probe_container2(void * context, struct fib * fibptr)
 634 {
 635         struct fsa_dev_info *fsa_dev_ptr;
 636         int (*callback)(struct scsi_cmnd *);
 637         struct scsi_cmnd *scsicmd = context;
 638         struct aac_cmd_priv *cmd_priv = aac_priv(scsicmd);
 639         int i;
 640
 641
 642         if (!aac_valid_context(scsicmd, fibptr))
 643                 return;
 644
 645         cmd_priv->status = 0;
 646         fsa_dev_ptr = fibptr->dev->fsa_dev;
 647         if (fsa_dev_ptr) {
 648                 struct aac_mount * dresp = (struct aac_mount *) fib_data(fibptr);
 649                 __le32 sup_options2;
 650
 651                 fsa_dev_ptr += scmd_id(scsicmd);
 652                 sup_options2 =
 653                         fibptr->dev->supplement_adapter_info.supported_options2;
 654
 655                 if ((le32_to_cpu(dresp->status) == ST_OK) &&
 656                     (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE) &&
 657                     (le32_to_cpu(dresp->mnt[0].state) != FSCS_HIDDEN)) {
 658                         if (!(sup_options2 & AAC_OPTION_VARIABLE_BLOCK_SIZE)) {
 659                                 dresp->mnt[0].fileinfo.bdevinfo.block_size = 0x200;
 660                                 fsa_dev_ptr->block_size = 0x200;
 661                         } else {
 662                                 fsa_dev_ptr->block_size =
 663                                         le32_to_cpu(dresp->mnt[0].fileinfo.bdevinfo.block_size);
 664                         }
 665                         for (i = 0; i < 16; i++)
 666                                 fsa_dev_ptr->identifier[i] =
 667                                         dresp->mnt[0].fileinfo.bdevinfo
 668                                                                 .identifier[i];
 669                         fsa_dev_ptr->valid = 1;
 670                         /* sense_key holds the current state of the spin-up */
 671                         if (dresp->mnt[0].state & cpu_to_le32(FSCS_NOT_READY))
 672                                 fsa_dev_ptr->sense_data.sense_key = NOT_READY;
 673                         else if (fsa_dev_ptr->sense_data.sense_key == NOT_READY)
 674                                 fsa_dev_ptr->sense_data.sense_key = NO_SENSE;
 675                         fsa_dev_ptr->type = le32_to_cpu(dresp->mnt[0].vol);
 676                         fsa_dev_ptr->size
 677                           = ((u64)le32_to_cpu(dresp->mnt[0].capacity)) +
 678                             (((u64)le32_to_cpu(dresp->mnt[0].capacityhigh)) << 32);
 679                         fsa_dev_ptr->ro = ((le32_to_cpu(dresp->mnt[0].state) & FSCS_READONLY) != 0);
 680                 }
 681                 if ((fsa_dev_ptr->valid & 1) == 0)
 682                         fsa_dev_ptr->valid = 0;
 683                 cmd_priv->status = le32_to_cpu(dresp->count);
 684         }
 685         aac_fib_complete(fibptr);
 686         aac_fib_free(fibptr);
 687         callback = cmd_priv->callback;
 688         cmd_priv->callback = NULL;
 689         (*callback)(scsicmd);
 690         return;
 691 }
 692
 693 static void _aac_probe_container1(void * context, struct fib * fibptr)
 694 {
 695         struct scsi_cmnd * scsicmd;
 696         struct aac_mount * dresp;
 697         struct aac_query_mount *dinfo;
 698         int status;
 699
 700         dresp = (struct aac_mount *) fib_data(fibptr);
 701         if (!aac_supports_2T(fibptr->dev)) {
 702                 dresp->mnt[0].capacityhigh = 0;
 703                 if ((le32_to_cpu(dresp->status) == ST_OK) &&
 704                         (le32_to_cpu(dresp->mnt[0].vol) != CT_NONE)) {
 705                         _aac_probe_container2(context, fibptr);
 706                         return;
 707                 }
 708         }
 709         scsicmd = (struct scsi_cmnd *) context;
 710
 711         if (!aac_valid_context(scsicmd, fibptr))
 712                 return;
 713
 714         aac_fib_init(fibptr);
 715
 716         dinfo = (struct aac_query_mount *)fib_data(fibptr);
 717
 718         if (fibptr->dev->supplement_adapter_info.supported_options2 &
 719             AAC_OPTION_VARIABLE_BLOCK_SIZE)
 720                 dinfo->command = cpu_to_le32(VM_NameServeAllBlk);
 721         else
 722                 dinfo->command = cpu_to_le32(VM_NameServe64);
 723
 724         dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 725         dinfo->type = cpu_to_le32(FT_FILESYS);
 726         aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
 727
 728         status = aac_fib_send(ContainerCommand,
 729                           fibptr,
 730                           sizeof(struct aac_query_mount),
 731                           FsaNormal,
 732                           0, 1,
 733                           _aac_probe_container2,
 734                           (void *) scsicmd);
 735         /*
 736          *      Check that the command queued to the controller
 737          */
 738         if (status < 0 && status != -EINPROGRESS) {
 739                 /* Inherit results from VM_NameServe, if any */
 740                 dresp->status = cpu_to_le32(ST_OK);
 741                 _aac_probe_container2(context, fibptr);
 742         }
 743 }
 744
 745 static int _aac_probe_container(struct scsi_cmnd * scsicmd, int (*callback)(struct scsi_cmnd *))
 746 {
 747         struct aac_cmd_priv *cmd_priv = aac_priv(scsicmd);
 748         struct fib * fibptr;
 749         int status = -ENOMEM;
 750
 751         if ((fibptr = aac_fib_alloc((struct aac_dev *)scsicmd->device->host->hostdata))) {
 752                 struct aac_query_mount *dinfo;
 753
 754                 aac_fib_init(fibptr);
 755
 756                 dinfo = (struct aac_query_mount *)fib_data(fibptr);
 757
 758                 if (fibptr->dev->supplement_adapter_info.supported_options2 &
 759                     AAC_OPTION_VARIABLE_BLOCK_SIZE)
 760                         dinfo->command = cpu_to_le32(VM_NameServeAllBlk);
 761                 else
 762                         dinfo->command = cpu_to_le32(VM_NameServe);
 763
 764                 dinfo->count = cpu_to_le32(scmd_id(scsicmd));
 765                 dinfo->type = cpu_to_le32(FT_FILESYS);
 766                 cmd_priv->callback = callback;
 767                 cmd_priv->owner = AAC_OWNER_FIRMWARE;
 768
 769                 status = aac_fib_send(ContainerCommand,
 770                           fibptr,
 771                           sizeof(struct aac_query_mount),
 772                           FsaNormal,
 773                           0, 1,
 774                           _aac_probe_container1,
 775                           (void *) scsicmd);
 776                 /*
 777                  *      Check that the command queued to the controller
 778                  */
 779                 if (status == -EINPROGRESS)
 780                         return 0;
 781
 782                 if (status < 0) {
 783                         cmd_priv->callback = NULL;
 784                         aac_fib_complete(fibptr);
 785                         aac_fib_free(fibptr);
 786                 }
 787         }
 788         if (status < 0) {
 789                 struct fsa_dev_info *fsa_dev_ptr = ((struct aac_dev *)(scsicmd->device->host->hostdata))->fsa_dev;
 790                 if (fsa_dev_ptr) {
 791                         fsa_dev_ptr += scmd_id(scsicmd);
 792                         if ((fsa_dev_ptr->valid & 1) == 0) {
 793                                 fsa_dev_ptr->valid = 0;
 794                                 return (*callback)(scsicmd);
 795                         }
 796                 }
 797         }
 798         return status;
 799 }
 800
 801 /**
 802  *      aac_probe_container_callback1   -       query a logical volume
 803  *      @scsicmd: the scsi command block
 804  *
 805  *      Queries the controller about the given volume. The volume information
 806  *      is updated in the struct fsa_dev_info structure rather than returned.
 807  */
 808 static int aac_probe_container_callback1(struct scsi_cmnd * scsicmd)
 809 {
 810         scsicmd->device = NULL;
 811         return 0;
 812 }
 813
 814 static void aac_probe_container_scsi_done(struct scsi_cmnd *scsi_cmnd)
 815 {
 816         aac_probe_container_callback1(scsi_cmnd);
 817 }
 818
 819 int aac_probe_container(struct aac_dev *dev, int cid)
 820 {
 821         struct scsi_cmnd *scsicmd = kzalloc(sizeof(*scsicmd), GFP_KERNEL);
 822         struct aac_cmd_priv *cmd_priv = aac_priv(scsicmd);
 823         struct scsi_device *scsidev = kzalloc(sizeof(*scsidev), GFP_KERNEL);
 824         int status;
 825
 826         if (!scsicmd || !scsidev) {
 827                 kfree(scsicmd);
 828                 kfree(scsidev);
 829                 return -ENOMEM;
 830         }
 831
 832         scsicmd->device = scsidev;
 833         scsidev->sdev_state = 0;
 834         scsidev->id = cid;
 835         scsidev->host = dev->scsi_host_ptr;
 836
 837         if (_aac_probe_container(scsicmd, aac_probe_container_callback1) == 0)
 838                 while (scsicmd->device == scsidev)
 839                         schedule();
 840         kfree(scsidev);
 841         status = cmd_priv->status;
 842         kfree(scsicmd);
 843         return status;
 844 }
 845
 846 /* Local Structure to set SCSI inquiry data strings */
 847 struct scsi_inq {
 848         char vid[8];         /* Vendor ID */
 849         char pid[16];        /* Product ID */
 850         char prl[4];         /* Product Revision Level */
 851 };
 852
 853 /**
 854  *      inqstrcpy       -       string merge
 855  *      @a:     string to copy from
 856  *      @b:     string to copy to
 857  *
 858  *      Copy a String from one location to another
 859  *      without copying \0
 860  */
 861
 862 static void inqstrcpy(char *a, char *b)
 863 {
 864
 865         while (*a != (char)0)
 866                 *b++ = *a++;
 867 }
 868
 869 static char *container_types[] = {
 870         "None",
 871         "Volume",
 872         "Mirror",
 873         "Stripe",
 874         "RAID5",
 875         "SSRW",
 876         "SSRO",
 877         "Morph",
 878         "Legacy",
 879         "RAID4",
 880         "RAID10",
 881         "RAID00",
 882         "V-MIRRORS",
 883         "PSEUDO R4",
 884         "RAID50",
 885         "RAID5D",
 886         "RAID5D0",
 887         "RAID1E",
 888         "RAID6",
 889         "RAID60",
 890         "Unknown"
 891 };
 892
 893 char * get_container_type(unsigned tindex)
 894 {
 895         if (tindex >= ARRAY_SIZE(container_types))
 896                 tindex = ARRAY_SIZE(container_types) - 1;
 897         return container_types[tindex];
 898 }
 899
 900 /* Function: setinqstr
 901  *
 902  * Arguments: [1] pointer to void [1] int
 903  *
 904  * Purpose: Sets SCSI inquiry data strings for vendor, product
 905  * and revision level. Allows strings to be set in platform dependent
 906  * files instead of in OS dependent driver source.
 907  */
 908
 909 static void setinqstr(struct aac_dev *dev, void *data, int tindex)
 910 {
 911         struct scsi_inq *str;
 912         struct aac_supplement_adapter_info *sup_adap_info;
 913
 914         sup_adap_info = &dev->supplement_adapter_info;
 915         str = (struct scsi_inq *)(data); /* cast data to scsi inq block */
 916         memset(str, ' ', sizeof(*str));
 917
 918         if (sup_adap_info->adapter_type_text[0]) {
 919                 int c;
 920                 char *cp;
 921                 char *cname = kmemdup(sup_adap_info->adapter_type_text,
 922                                 sizeof(sup_adap_info->adapter_type_text),
 923                                                                 GFP_ATOMIC);
 924                 if (!cname)
 925                         return;
 926
 927                 cp = cname;
 928                 if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C'))
 929                         inqstrcpy("SMC", str->vid);
 930                 else {
 931                         c = sizeof(str->vid);
 932                         while (*cp && *cp != ' ' && --c)
 933                                 ++cp;
 934                         c = *cp;
 935                         *cp = '\0';
 936                         inqstrcpy(cname, str->vid);
 937                         *cp = c;
 938                         while (*cp && *cp != ' ')
 939                                 ++cp;
 940                 }
 941                 while (*cp == ' ')
 942                         ++cp;
 943                 /* last six chars reserved for vol type */
 944                 if (strlen(cp) > sizeof(str->pid))
 945                         cp[sizeof(str->pid)] = '\0';
 946                 inqstrcpy (cp, str->pid);
 947
 948                 kfree(cname);
 949         } else {
 950                 struct aac_driver_ident *mp = aac_get_driver_ident(dev->cardtype);
 951
 952                 inqstrcpy (mp->vname, str->vid);
 953                 /* last six chars reserved for vol type */
 954                 inqstrcpy (mp->model, str->pid);
 955         }
 956
 957         if (tindex < ARRAY_SIZE(container_types)){
 958                 char *findit = str->pid;
 959
 960                 for ( ; *findit != ' '; findit++); /* walk till we find a space */
 961                 /* RAID is superfluous in the context of a RAID device */
 962                 if (memcmp(findit-4, "RAID", 4) == 0)
 963                         *(findit -= 4) = ' ';
 964                 if (((findit - str->pid) + strlen(container_types[tindex]))
 965                  < (sizeof(str->pid) + sizeof(str->prl)))
 966                         inqstrcpy (container_types[tindex], findit + 1);
 967         }
 968         inqstrcpy ("V1.0", str->prl);
 969 }
 970
 971 static void build_vpd83_type3(struct tvpd_page83 *vpdpage83data,
 972                 struct aac_dev *dev, struct scsi_cmnd *scsicmd)
 973 {
 974         int container;
 975
 976         vpdpage83data->type3.codeset = 1;
 977         vpdpage83data->type3.identifiertype = 3;
 978         vpdpage83data->type3.identifierlength = sizeof(vpdpage83data->type3)
 979                         - 4;
 980
 981         for (container = 0; container < dev->maximum_num_containers;
 982                         container++) {
 983
 984                 if (scmd_id(scsicmd) == container) {
 985                         memcpy(vpdpage83data->type3.Identifier,
 986                                         dev->fsa_dev[container].identifier,
 987                                         16);
 988                         break;
 989                 }
 990         }
 991 }
 992
 993 static void get_container_serial_callback(void *context, struct fib * fibptr)
 994 {
 995         struct aac_get_serial_resp * get_serial_reply;
 996         struct scsi_cmnd * scsicmd;
 997
 998         BUG_ON(fibptr == NULL);
 999
1000         scsicmd = (struct scsi_cmnd *) context;
1001         if (!aac_valid_context(scsicmd, fibptr))
1002                 return;
1003
1004         get_serial_reply = (struct aac_get_serial_resp *) fib_data(fibptr);
1005         /* Failure is irrelevant, using default value instead */
1006         if (le32_to_cpu(get_serial_reply->status) == CT_OK) {
1007                 /*Check to see if it's for VPD 0x83 or 0x80 */
1008                 if (scsicmd->cmnd[2] == 0x83) {
1009                         /* vpd page 0x83 - Device Identification Page */
1010                         struct aac_dev *dev;
1011                         int i;
1012                         struct tvpd_page83 vpdpage83data;
1013
1014                         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1015
1016                         memset(((u8 *)&vpdpage83data), 0,
1017                                sizeof(vpdpage83data));
1018
1019                         /* DIRECT_ACCESS_DEVIC */
1020                         vpdpage83data.DeviceType = 0;
1021                         /* DEVICE_CONNECTED */
1022                         vpdpage83data.DeviceTypeQualifier = 0;
1023                         /* VPD_DEVICE_IDENTIFIERS */
1024                         vpdpage83data.PageCode = 0x83;
1025                         vpdpage83data.reserved = 0;
1026                         vpdpage83data.PageLength =
1027                                 sizeof(vpdpage83data.type1) +
1028                                 sizeof(vpdpage83data.type2);
1029
1030                         /* VPD 83 Type 3 is not supported for ARC */
1031                         if (dev->sa_firmware)
1032                                 vpdpage83data.PageLength +=
1033                                 sizeof(vpdpage83data.type3);
1034
1035                         /* T10 Vendor Identifier Field Format */
1036                         /* VpdcodesetAscii */
1037                         vpdpage83data.type1.codeset = 2;
1038                         /* VpdIdentifierTypeVendorId */
1039                         vpdpage83data.type1.identifiertype = 1;
1040                         vpdpage83data.type1.identifierlength =
1041                                 sizeof(vpdpage83data.type1) - 4;
1042
1043                         /* "ADAPTEC " for adaptec */
1044                         memcpy(vpdpage83data.type1.venid,
1045                                 "ADAPTEC ",
1046                                 sizeof(vpdpage83data.type1.venid));
1047                         memcpy(vpdpage83data.type1.productid,
1048                                 "ARRAY           ",
1049                                 sizeof(
1050                                 vpdpage83data.type1.productid));
1051
1052                         /* Convert to ascii based serial number.
1053                          * The LSB is the the end.
1054                          */
1055                         for (i = 0; i < 8; i++) {
1056                                 u8 temp =
1057                                         (u8)((get_serial_reply->uid >> ((7 - i) * 4)) & 0xF);
1058                                 if (temp  > 0x9) {
1059                                         vpdpage83data.type1.serialnumber[i] =
1060                                                         'A' + (temp - 0xA);
1061                                 } else {
1062                                         vpdpage83data.type1.serialnumber[i] =
1063                                                         '0' + temp;
1064                                 }
1065                         }
1066
1067                         /* VpdCodeSetBinary */
1068                         vpdpage83data.type2.codeset = 1;
1069                         /* VpdidentifiertypeEUI64 */
1070                         vpdpage83data.type2.identifiertype = 2;
1071                         vpdpage83data.type2.identifierlength =
1072                                 sizeof(vpdpage83data.type2) - 4;
1073
1074                         vpdpage83data.type2.eu64id.venid[0] = 0xD0;
1075                         vpdpage83data.type2.eu64id.venid[1] = 0;
1076                         vpdpage83data.type2.eu64id.venid[2] = 0;
1077
1078                         vpdpage83data.type2.eu64id.Serial =
1079                                                         get_serial_reply->uid;
1080                         vpdpage83data.type2.eu64id.reserved = 0;
1081
1082                         /*
1083                          * VpdIdentifierTypeFCPHName
1084                          * VPD 0x83 Type 3 not supported for ARC
1085                          */
1086                         if (dev->sa_firmware) {
1087                                 build_vpd83_type3(&vpdpage83data,
1088                                                 dev, scsicmd);
1089                         }
1090
1091                         /* Move the inquiry data to the response buffer. */
1092                         scsi_sg_copy_from_buffer(scsicmd, &vpdpage83data,
1093                                                  sizeof(vpdpage83data));
1094                 } else {
1095                         /* It must be for VPD 0x80 */
1096                         char sp[13];
1097                         /* EVPD bit set */
1098                         sp[0] = INQD_PDT_DA;
1099                         sp[1] = scsicmd->cmnd[2];
1100                         sp[2] = 0;
1101                         sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
1102                                 le32_to_cpu(get_serial_reply->uid));
1103                         scsi_sg_copy_from_buffer(scsicmd, sp,
1104                                                  sizeof(sp));
1105                 }
1106         }
1107
1108         scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
1109
1110         aac_fib_complete(fibptr);
1111         aac_scsi_done(scsicmd);
1112 }
1113
1114 /*
1115  *      aac_get_container_serial - get container serial, none blocking.
1116  */
1117 static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
1118 {
1119         int status;
1120         struct aac_get_serial *dinfo;
1121         struct fib * cmd_fibcontext;
1122         struct aac_dev * dev;
1123
1124         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
1125
1126         cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
1127
1128         aac_fib_init(cmd_fibcontext);
1129         dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext);
1130
1131         dinfo->command = cpu_to_le32(VM_ContainerConfig);
1132         dinfo->type = cpu_to_le32(CT_CID_TO_32BITS_UID);
1133         dinfo->cid = cpu_to_le32(scmd_id(scsicmd));
1134         aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
1135
1136         status = aac_fib_send(ContainerCommand,
1137                   cmd_fibcontext,
1138                   sizeof(struct aac_get_serial_resp),
1139                   FsaNormal,
1140                   0, 1,
1141                   (fib_callback) get_container_serial_callback,
1142                   (void *) scsicmd);
1143
1144         /*
1145          *      Check that the command queued to the controller
1146          */
1147         if (status == -EINPROGRESS)
1148                 return 0;
1149
1150         printk(KERN_WARNING "aac_get_container_serial: aac_fib_send failed with status: %d.\n", status);
1151         aac_fib_complete(cmd_fibcontext);
1152         return -1;
1153 }
1154
1155 /* Function: setinqserial
1156  *
1157  * Arguments: [1] pointer to void [1] int
1158  *
1159  * Purpose: Sets SCSI Unit Serial number.
1160  *          This is a fake. We should read a proper
1161  *          serial number from the container. <SuSE>But
1162  *          without docs it's quite hard to do it :-)
1163  *          So this will have to do in the meantime.</SuSE>
1164  */
1165
1166 static int setinqserial(struct aac_dev *dev, void *data, int cid)
1167 {
1168         /*
1169          *      This breaks array migration.
1170          */
1171         return snprintf((char *)(data), sizeof(struct scsi_inq) - 4, "%08X%02X",
1172                         le32_to_cpu(dev->adapter_info.serial[0]), cid);
1173 }
1174
1175 static inline void set_sense(struct sense_data *sense_data, u8 sense_key,
1176         u8 sense_code, u8 a_sense_code, u8 bit_pointer, u16 field_pointer)
1177 {
1178         u8 *sense_buf = (u8 *)sense_data;
1179         /* Sense data valid, err code 70h */
1180         sense_buf[0] = 0x70; /* No info field */
1181         sense_buf[1] = 0;       /* Segment number, always zero */
1182
1183         sense_buf[2] = sense_key;       /* Sense key */
1184
1185         sense_buf[12] = sense_code;     /* Additional sense code */
1186         sense_buf[13] = a_sense_code;   /* Additional sense code qualifier */
1187
1188         if (sense_key == ILLEGAL_REQUEST) {
1189                 sense_buf[7] = 10;      /* Additional sense length */
1190
1191                 sense_buf[15] = bit_pointer;
1192                 /* Illegal parameter is in the parameter block */
1193                 if (sense_code == SENCODE_INVALID_CDB_FIELD)
1194                         sense_buf[15] |= 0xc0;/* Std sense key specific field */
1195                 /* Illegal parameter is in the CDB block */
1196                 sense_buf[16] = field_pointer >> 8;     /* MSB */
1197                 sense_buf[17] = field_pointer;          /* LSB */
1198         } else
1199                 sense_buf[7] = 6;       /* Additional sense length */
1200 }
1201
1202 static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
1203 {
1204         if (lba & 0xffffffff00000000LL) {
1205                 int cid = scmd_id(cmd);
1206                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
1207                 cmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
1208                 set_sense(&dev->fsa_dev[cid].sense_data,
1209                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1210                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1211                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1212                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1213                              SCSI_SENSE_BUFFERSIZE));
1214                 aac_scsi_done(cmd);
1215                 return 1;
1216         }
1217         return 0;
1218 }
1219
1220 static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
1221 {
1222         return 0;
1223 }
1224
1225 static void io_callback(void *context, struct fib * fibptr);
1226
1227 static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1228 {
1229         struct aac_dev *dev = fib->dev;
1230         u16 fibsize, command;
1231         long ret;
1232
1233         aac_fib_init(fib);
1234         if ((dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 ||
1235                 dev->comm_interface == AAC_COMM_MESSAGE_TYPE3) &&
1236                 !dev->sync_mode) {
1237                 struct aac_raw_io2 *readcmd2;
1238                 readcmd2 = (struct aac_raw_io2 *) fib_data(fib);
1239                 memset(readcmd2, 0, sizeof(struct aac_raw_io2));
1240                 readcmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
1241                 readcmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1242                 readcmd2->byteCount = cpu_to_le32(count *
1243                         dev->fsa_dev[scmd_id(cmd)].block_size);
1244                 readcmd2->cid = cpu_to_le16(scmd_id(cmd));
1245                 readcmd2->flags = cpu_to_le16(RIO2_IO_TYPE_READ);
1246                 ret = aac_build_sgraw2(cmd, readcmd2,
1247                                 dev->scsi_host_ptr->sg_tablesize);
1248                 if (ret < 0)
1249                         return ret;
1250                 command = ContainerRawIo2;
1251                 fibsize = struct_size(readcmd2, sge,
1252                                      le32_to_cpu(readcmd2->sgeCnt));
1253         } else {
1254                 struct aac_raw_io *readcmd;
1255                 readcmd = (struct aac_raw_io *) fib_data(fib);
1256                 readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1257                 readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1258                 readcmd->count = cpu_to_le32(count *
1259                         dev->fsa_dev[scmd_id(cmd)].block_size);
1260                 readcmd->cid = cpu_to_le16(scmd_id(cmd));
1261                 readcmd->flags = cpu_to_le16(RIO_TYPE_READ);
1262                 readcmd->bpTotal = 0;
1263                 readcmd->bpComplete = 0;
1264                 ret = aac_build_sgraw(cmd, &readcmd->sg);
1265                 if (ret < 0)
1266                         return ret;
1267                 command = ContainerRawIo;
1268                 fibsize = sizeof(struct aac_raw_io) +
1269                         ((le32_to_cpu(readcmd->sg.count)-1) * sizeof(struct sgentryraw));
1270         }
1271
1272         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1273         /*
1274          *      Now send the Fib to the adapter
1275          */
1276         return aac_fib_send(command,
1277                           fib,
1278                           fibsize,
1279                           FsaNormal,
1280                           0, 1,
1281                           (fib_callback) io_callback,
1282                           (void *) cmd);
1283 }
1284
1285 static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1286 {
1287         u16 fibsize;
1288         struct aac_read64 *readcmd;
1289         long ret;
1290
1291         aac_fib_init(fib);
1292         readcmd = (struct aac_read64 *) fib_data(fib);
1293         readcmd->command = cpu_to_le32(VM_CtHostRead64);
1294         readcmd->cid = cpu_to_le16(scmd_id(cmd));
1295         readcmd->sector_count = cpu_to_le16(count);
1296         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1297         readcmd->pad   = 0;
1298         readcmd->flags = 0;
1299
1300         ret = aac_build_sg64(cmd, &readcmd->sg);
1301         if (ret < 0)
1302                 return ret;
1303         fibsize = sizeof(struct aac_read64) +
1304                 ((le32_to_cpu(readcmd->sg.count) - 1) *
1305                  sizeof (struct sgentry64));
1306         BUG_ON (fibsize > (fib->dev->max_fib_size -
1307                                 sizeof(struct aac_fibhdr)));
1308         /*
1309          *      Now send the Fib to the adapter
1310          */
1311         return aac_fib_send(ContainerCommand64,
1312                           fib,
1313                           fibsize,
1314                           FsaNormal,
1315                           0, 1,
1316                           (fib_callback) io_callback,
1317                           (void *) cmd);
1318 }
1319
1320 static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1321 {
1322         u16 fibsize;
1323         struct aac_read *readcmd;
1324         struct aac_dev *dev = fib->dev;
1325         long ret;
1326
1327         aac_fib_init(fib);
1328         readcmd = (struct aac_read *) fib_data(fib);
1329         readcmd->command = cpu_to_le32(VM_CtBlockRead);
1330         readcmd->cid = cpu_to_le32(scmd_id(cmd));
1331         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1332         readcmd->count = cpu_to_le32(count *
1333                 dev->fsa_dev[scmd_id(cmd)].block_size);
1334
1335         ret = aac_build_sg(cmd, &readcmd->sg);
1336         if (ret < 0)
1337                 return ret;
1338         fibsize = sizeof(struct aac_read) +
1339                         ((le32_to_cpu(readcmd->sg.count) - 1) *
1340                          sizeof (struct sgentry));
1341         BUG_ON (fibsize > (fib->dev->max_fib_size -
1342                                 sizeof(struct aac_fibhdr)));
1343         /*
1344          *      Now send the Fib to the adapter
1345          */
1346         return aac_fib_send(ContainerCommand,
1347                           fib,
1348                           fibsize,
1349                           FsaNormal,
1350                           0, 1,
1351                           (fib_callback) io_callback,
1352                           (void *) cmd);
1353 }
1354
1355 static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1356 {
1357         struct aac_dev *dev = fib->dev;
1358         u16 fibsize, command;
1359         long ret;
1360
1361         aac_fib_init(fib);
1362         if ((dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 ||
1363                 dev->comm_interface == AAC_COMM_MESSAGE_TYPE3) &&
1364                 !dev->sync_mode) {
1365                 struct aac_raw_io2 *writecmd2;
1366                 writecmd2 = (struct aac_raw_io2 *) fib_data(fib);
1367                 memset(writecmd2, 0, sizeof(struct aac_raw_io2));
1368                 writecmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
1369                 writecmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1370                 writecmd2->byteCount = cpu_to_le32(count *
1371                         dev->fsa_dev[scmd_id(cmd)].block_size);
1372                 writecmd2->cid = cpu_to_le16(scmd_id(cmd));
1373                 writecmd2->flags = (fua && ((aac_cache & 5) != 1) &&
1374                                                    (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1375                         cpu_to_le16(RIO2_IO_TYPE_WRITE|RIO2_IO_SUREWRITE) :
1376                         cpu_to_le16(RIO2_IO_TYPE_WRITE);
1377                 ret = aac_build_sgraw2(cmd, writecmd2,
1378                                 dev->scsi_host_ptr->sg_tablesize);
1379                 if (ret < 0)
1380                         return ret;
1381                 command = ContainerRawIo2;
1382                 fibsize = struct_size(writecmd2, sge,
1383                                       le32_to_cpu(writecmd2->sgeCnt));
1384         } else {
1385                 struct aac_raw_io *writecmd;
1386                 writecmd = (struct aac_raw_io *) fib_data(fib);
1387                 writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1388                 writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1389                 writecmd->count = cpu_to_le32(count *
1390                         dev->fsa_dev[scmd_id(cmd)].block_size);
1391                 writecmd->cid = cpu_to_le16(scmd_id(cmd));
1392                 writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
1393                                                    (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1394                         cpu_to_le16(RIO_TYPE_WRITE|RIO_SUREWRITE) :
1395                         cpu_to_le16(RIO_TYPE_WRITE);
1396                 writecmd->bpTotal = 0;
1397                 writecmd->bpComplete = 0;
1398                 ret = aac_build_sgraw(cmd, &writecmd->sg);
1399                 if (ret < 0)
1400                         return ret;
1401                 command = ContainerRawIo;
1402                 fibsize = sizeof(struct aac_raw_io) +
1403                         ((le32_to_cpu(writecmd->sg.count)-1) * sizeof (struct sgentryraw));
1404         }
1405
1406         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1407         /*
1408          *      Now send the Fib to the adapter
1409          */
1410         return aac_fib_send(command,
1411                           fib,
1412                           fibsize,
1413                           FsaNormal,
1414                           0, 1,
1415                           (fib_callback) io_callback,
1416                           (void *) cmd);
1417 }
1418
1419 static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1420 {
1421         u16 fibsize;
1422         struct aac_write64 *writecmd;
1423         long ret;
1424
1425         aac_fib_init(fib);
1426         writecmd = (struct aac_write64 *) fib_data(fib);
1427         writecmd->command = cpu_to_le32(VM_CtHostWrite64);
1428         writecmd->cid = cpu_to_le16(scmd_id(cmd));
1429         writecmd->sector_count = cpu_to_le16(count);
1430         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1431         writecmd->pad   = 0;
1432         writecmd->flags = 0;
1433
1434         ret = aac_build_sg64(cmd, &writecmd->sg);
1435         if (ret < 0)
1436                 return ret;
1437         fibsize = sizeof(struct aac_write64) +
1438                 ((le32_to_cpu(writecmd->sg.count) - 1) *
1439                  sizeof (struct sgentry64));
1440         BUG_ON (fibsize > (fib->dev->max_fib_size -
1441                                 sizeof(struct aac_fibhdr)));
1442         /*
1443          *      Now send the Fib to the adapter
1444          */
1445         return aac_fib_send(ContainerCommand64,
1446                           fib,
1447                           fibsize,
1448                           FsaNormal,
1449                           0, 1,
1450                           (fib_callback) io_callback,
1451                           (void *) cmd);
1452 }
1453
1454 static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1455 {
1456         u16 fibsize;
1457         struct aac_write *writecmd;
1458         struct aac_dev *dev = fib->dev;
1459         long ret;
1460
1461         aac_fib_init(fib);
1462         writecmd = (struct aac_write *) fib_data(fib);
1463         writecmd->command = cpu_to_le32(VM_CtBlockWrite);
1464         writecmd->cid = cpu_to_le32(scmd_id(cmd));
1465         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1466         writecmd->count = cpu_to_le32(count *
1467                 dev->fsa_dev[scmd_id(cmd)].block_size);
1468         writecmd->sg.count = cpu_to_le32(1);
1469         /* ->stable is not used - it did mean which type of write */
1470
1471         ret = aac_build_sg(cmd, &writecmd->sg);
1472         if (ret < 0)
1473                 return ret;
1474         fibsize = sizeof(struct aac_write) +
1475                 ((le32_to_cpu(writecmd->sg.count) - 1) *
1476                  sizeof (struct sgentry));
1477         BUG_ON (fibsize > (fib->dev->max_fib_size -
1478                                 sizeof(struct aac_fibhdr)));
1479         /*
1480          *      Now send the Fib to the adapter
1481          */
1482         return aac_fib_send(ContainerCommand,
1483                           fib,
1484                           fibsize,
1485                           FsaNormal,
1486                           0, 1,
1487                           (fib_callback) io_callback,
1488                           (void *) cmd);
1489 }
1490
1491 static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
1492 {
1493         struct aac_srb * srbcmd;
1494         u32 flag;
1495         u32 timeout;
1496         struct aac_dev *dev = fib->dev;
1497
1498         aac_fib_init(fib);
1499         switch(cmd->sc_data_direction){
1500         case DMA_TO_DEVICE:
1501                 flag = SRB_DataOut;
1502                 break;
1503         case DMA_BIDIRECTIONAL:
1504                 flag = SRB_DataIn | SRB_DataOut;
1505                 break;
1506         case DMA_FROM_DEVICE:
1507                 flag = SRB_DataIn;
1508                 break;
1509         case DMA_NONE:
1510         default:        /* shuts up some versions of gcc */
1511                 flag = SRB_NoDataXfer;
1512                 break;
1513         }
1514
1515         srbcmd = (struct aac_srb*) fib_data(fib);
1516         srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1517         srbcmd->channel  = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1518         srbcmd->id       = cpu_to_le32(scmd_id(cmd));
1519         srbcmd->lun      = cpu_to_le32(cmd->device->lun);
1520         srbcmd->flags    = cpu_to_le32(flag);
1521         timeout = scsi_cmd_to_rq(cmd)->timeout / HZ;
1522         if (timeout == 0)
1523                 timeout = (dev->sa_firmware ? AAC_SA_TIMEOUT : AAC_ARC_TIMEOUT);
1524         srbcmd->timeout  = cpu_to_le32(timeout);  // timeout in seconds
1525         srbcmd->retry_limit = 0; /* Obsolete parameter */
1526         srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1527         return srbcmd;
1528 }
1529
1530 static struct aac_hba_cmd_req *aac_construct_hbacmd(struct fib *fib,
1531                                                         struct scsi_cmnd *cmd)
1532 {
1533         struct aac_hba_cmd_req *hbacmd;
1534         struct aac_dev *dev;
1535         int bus, target;
1536         u64 address;
1537
1538         dev = (struct aac_dev *)cmd->device->host->hostdata;
1539
1540         hbacmd = (struct aac_hba_cmd_req *)fib->hw_fib_va;
1541         memset(hbacmd, 0, 96);  /* sizeof(*hbacmd) is not necessary */
1542         /* iu_type is a parameter of aac_hba_send */
1543         switch (cmd->sc_data_direction) {
1544         case DMA_TO_DEVICE:
1545                 hbacmd->byte1 = 2;
1546                 break;
1547         case DMA_FROM_DEVICE:
1548         case DMA_BIDIRECTIONAL:
1549                 hbacmd->byte1 = 1;
1550                 break;
1551         case DMA_NONE:
1552         default:
1553                 break;
1554         }
1555         hbacmd->lun[1] = cpu_to_le32(cmd->device->lun);
1556
1557         bus = aac_logical_to_phys(scmd_channel(cmd));
1558         target = scmd_id(cmd);
1559         hbacmd->it_nexus = dev->hba_map[bus][target].rmw_nexus;
1560
1561         /* we fill in reply_qid later in aac_src_deliver_message */
1562         /* we fill in iu_type, request_id later in aac_hba_send */
1563         /* we fill in emb_data_desc_count later in aac_build_sghba */
1564
1565         memcpy(hbacmd->cdb, cmd->cmnd, cmd->cmd_len);
1566         hbacmd->data_length = cpu_to_le32(scsi_bufflen(cmd));
1567
1568         address = (u64)fib->hw_error_pa;
1569         hbacmd->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
1570         hbacmd->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
1571         hbacmd->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
1572
1573         return hbacmd;
1574 }
1575
1576 static void aac_srb_callback(void *context, struct fib * fibptr);
1577
1578 static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1579 {
1580         u16 fibsize;
1581         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1582         long ret;
1583
1584         ret = aac_build_sg64(cmd, (struct sgmap64 *) &srbcmd->sg);
1585         if (ret < 0)
1586                 return ret;
1587         srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1588
1589         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1590         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1591         /*
1592          *      Build Scatter/Gather list
1593          */
1594         fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1595                 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1596                  sizeof (struct sgentry64));
1597         BUG_ON (fibsize > (fib->dev->max_fib_size -
1598                                 sizeof(struct aac_fibhdr)));
1599
1600         /*
1601          *      Now send the Fib to the adapter
1602          */
1603         return aac_fib_send(ScsiPortCommand64, fib,
1604                                 fibsize, FsaNormal, 0, 1,
1605                                   (fib_callback) aac_srb_callback,
1606                                   (void *) cmd);
1607 }
1608
1609 static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1610 {
1611         u16 fibsize;
1612         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1613         long ret;
1614
1615         ret = aac_build_sg(cmd, (struct sgmap *)&srbcmd->sg);
1616         if (ret < 0)
1617                 return ret;
1618         srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1619
1620         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1621         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1622         /*
1623          *      Build Scatter/Gather list
1624          */
1625         fibsize = sizeof (struct aac_srb) +
1626                 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1627                  sizeof (struct sgentry));
1628         BUG_ON (fibsize > (fib->dev->max_fib_size -
1629                                 sizeof(struct aac_fibhdr)));
1630
1631         /*
1632          *      Now send the Fib to the adapter
1633          */
1634         return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1635                                   (fib_callback) aac_srb_callback, (void *) cmd);
1636 }
1637
1638 static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd)
1639 {
1640         if ((sizeof(dma_addr_t) > 4) && fib->dev->needs_dac &&
1641             (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64))
1642                 return FAILED;
1643         return aac_scsi_32(fib, cmd);
1644 }
1645
1646 static int aac_adapter_hba(struct fib *fib, struct scsi_cmnd *cmd)
1647 {
1648         struct aac_hba_cmd_req *hbacmd = aac_construct_hbacmd(fib, cmd);
1649         struct aac_dev *dev;
1650         long ret;
1651
1652         dev = (struct aac_dev *)cmd->device->host->hostdata;
1653
1654         ret = aac_build_sghba(cmd, hbacmd,
1655                 dev->scsi_host_ptr->sg_tablesize, (u64)fib->hw_sgl_pa);
1656         if (ret < 0)
1657                 return ret;
1658
1659         /*
1660          *      Now send the HBA command to the adapter
1661          */
1662         fib->hbacmd_size = 64 + le32_to_cpu(hbacmd->emb_data_desc_count) *
1663                 sizeof(struct aac_hba_sgl);
1664
1665         return aac_hba_send(HBA_IU_TYPE_SCSI_CMD_REQ, fib,
1666                                   (fib_callback) aac_hba_callback,
1667                                   (void *) cmd);
1668 }
1669
1670 static int aac_send_safw_bmic_cmd(struct aac_dev *dev,
1671         struct aac_srb_unit *srbu, void *xfer_buf, int xfer_len)
1672 {
1673         struct fib      *fibptr;
1674         dma_addr_t      addr;
1675         int             rcode;
1676         int             fibsize;
1677         struct aac_srb  *srb;
1678         struct aac_srb_reply *srb_reply;
1679         struct sgmap64  *sg64;
1680         u32 vbus;
1681         u32 vid;
1682
1683         if (!dev->sa_firmware)
1684                 return 0;
1685
1686         /* allocate FIB */
1687         fibptr = aac_fib_alloc(dev);
1688         if (!fibptr)
1689                 return -ENOMEM;
1690
1691         aac_fib_init(fibptr);
1692         fibptr->hw_fib_va->header.XferState &=
1693                 ~cpu_to_le32(FastResponseCapable);
1694
1695         fibsize  = sizeof(struct aac_srb) - sizeof(struct sgentry) +
1696                                                 sizeof(struct sgentry64);
1697
1698         /* allocate DMA buffer for response */
1699         addr = dma_map_single(&dev->pdev->dev, xfer_buf, xfer_len,
1700                                                         DMA_BIDIRECTIONAL);
1701         if (dma_mapping_error(&dev->pdev->dev, addr)) {
1702                 rcode = -ENOMEM;
1703                 goto fib_error;
1704         }
1705
1706         srb = fib_data(fibptr);
1707         memcpy(srb, &srbu->srb, sizeof(struct aac_srb));
1708
1709         vbus = (u32)le16_to_cpu(
1710                         dev->supplement_adapter_info.virt_device_bus);
1711         vid  = (u32)le16_to_cpu(
1712                         dev->supplement_adapter_info.virt_device_target);
1713
1714         /* set the common request fields */
1715         srb->channel            = cpu_to_le32(vbus);
1716         srb->id                 = cpu_to_le32(vid);
1717         srb->lun                = 0;
1718         srb->function           = cpu_to_le32(SRBF_ExecuteScsi);
1719         srb->timeout            = 0;
1720         srb->retry_limit        = 0;
1721         srb->cdb_size           = cpu_to_le32(16);
1722         srb->count              = cpu_to_le32(xfer_len);
1723
1724         sg64 = (struct sgmap64 *)&srb->sg;
1725         sg64->count             = cpu_to_le32(1);
1726         sg64->sg[0].addr[1]     = cpu_to_le32(upper_32_bits(addr));
1727         sg64->sg[0].addr[0]     = cpu_to_le32(lower_32_bits(addr));
1728         sg64->sg[0].count       = cpu_to_le32(xfer_len);
1729
1730         /*
1731          * Copy the updated data for other dumping or other usage if needed
1732          */
1733         memcpy(&srbu->srb, srb, sizeof(struct aac_srb));
1734
1735         /* issue request to the controller */
1736         rcode = aac_fib_send(ScsiPortCommand64, fibptr, fibsize, FsaNormal,
1737                                         1, 1, NULL, NULL);
1738
1739         if (rcode == -ERESTARTSYS)
1740                 rcode = -ERESTART;
1741
1742         if (unlikely(rcode < 0))
1743                 goto bmic_error;
1744
1745         srb_reply = (struct aac_srb_reply *)fib_data(fibptr);
1746         memcpy(&srbu->srb_reply, srb_reply, sizeof(struct aac_srb_reply));
1747
1748 bmic_error:
1749         dma_unmap_single(&dev->pdev->dev, addr, xfer_len, DMA_BIDIRECTIONAL);
1750 fib_error:
1751         aac_fib_complete(fibptr);
1752         aac_fib_free(fibptr);
1753         return rcode;
1754 }
1755
1756 static void aac_set_safw_target_qd(struct aac_dev *dev, int bus, int target)
1757 {
1758
1759         struct aac_ciss_identify_pd *identify_resp;
1760
1761         if (dev->hba_map[bus][target].devtype != AAC_DEVTYPE_NATIVE_RAW)
1762                 return;
1763
1764         identify_resp = dev->hba_map[bus][target].safw_identify_resp;
1765         if (identify_resp == NULL) {
1766                 dev->hba_map[bus][target].qd_limit = 32;
1767                 return;
1768         }
1769
1770         if (identify_resp->current_queue_depth_limit <= 0 ||
1771                 identify_resp->current_queue_depth_limit > 255)
1772                 dev->hba_map[bus][target].qd_limit = 32;
1773         else
1774                 dev->hba_map[bus][target].qd_limit =
1775                         identify_resp->current_queue_depth_limit;
1776 }
1777
1778 static int aac_issue_safw_bmic_identify(struct aac_dev *dev,
1779         struct aac_ciss_identify_pd **identify_resp, u32 bus, u32 target)
1780 {
1781         int rcode = -ENOMEM;
1782         int datasize;
1783         struct aac_srb_unit srbu;
1784         struct aac_srb *srbcmd;
1785         struct aac_ciss_identify_pd *identify_reply;
1786
1787         datasize = sizeof(struct aac_ciss_identify_pd);
1788         identify_reply = kmalloc(datasize, GFP_KERNEL);
1789         if (!identify_reply)
1790                 goto out;
1791
1792         memset(&srbu, 0, sizeof(struct aac_srb_unit));
1793
1794         srbcmd = &srbu.srb;
1795         srbcmd->flags   = cpu_to_le32(SRB_DataIn);
1796         srbcmd->cdb[0]  = 0x26;
1797         srbcmd->cdb[2]  = (u8)((AAC_MAX_LUN + target) & 0x00FF);
1798         srbcmd->cdb[6]  = CISS_IDENTIFY_PHYSICAL_DEVICE;
1799
1800         rcode = aac_send_safw_bmic_cmd(dev, &srbu, identify_reply, datasize);
1801         if (unlikely(rcode < 0))
1802                 goto mem_free_all;
1803
1804         *identify_resp = identify_reply;
1805
1806 out:
1807         return rcode;
1808 mem_free_all:
1809         kfree(identify_reply);
1810         goto out;
1811 }
1812
1813 static inline void aac_free_safw_ciss_luns(struct aac_dev *dev)
1814 {
1815         kfree(dev->safw_phys_luns);
1816         dev->safw_phys_luns = NULL;
1817 }
1818
1819 /**
1820  *      aac_get_safw_ciss_luns() - Process topology change
1821  *      @dev:           aac_dev structure
1822  *
1823  *      Execute a CISS REPORT PHYS LUNS and process the results into
1824  *      the current hba_map.
1825  */
1826 static int aac_get_safw_ciss_luns(struct aac_dev *dev)
1827 {
1828         int rcode = -ENOMEM;
1829         int datasize;
1830         struct aac_srb *srbcmd;
1831         struct aac_srb_unit srbu;
1832         struct aac_ciss_phys_luns_resp *phys_luns;
1833
1834         datasize = sizeof(struct aac_ciss_phys_luns_resp) +
1835                 (AAC_MAX_TARGETS - 1) * sizeof(struct _ciss_lun);
1836         phys_luns = kmalloc(datasize, GFP_KERNEL);
1837         if (phys_luns == NULL)
1838                 goto out;
1839
1840         memset(&srbu, 0, sizeof(struct aac_srb_unit));
1841
1842         srbcmd = &srbu.srb;
1843         srbcmd->flags   = cpu_to_le32(SRB_DataIn);
1844         srbcmd->cdb[0]  = CISS_REPORT_PHYSICAL_LUNS;
1845         srbcmd->cdb[1]  = 2; /* extended reporting */
1846         srbcmd->cdb[8]  = (u8)(datasize >> 8);
1847         srbcmd->cdb[9]  = (u8)(datasize);
1848
1849         rcode = aac_send_safw_bmic_cmd(dev, &srbu, phys_luns, datasize);
1850         if (unlikely(rcode < 0))
1851                 goto mem_free_all;
1852
1853         if (phys_luns->resp_flag != 2) {
1854                 rcode = -ENOMSG;
1855                 goto mem_free_all;
1856         }
1857
1858         dev->safw_phys_luns = phys_luns;
1859
1860 out:
1861         return rcode;
1862 mem_free_all:
1863         kfree(phys_luns);
1864         goto out;
1865 }
1866
1867 static inline u32 aac_get_safw_phys_lun_count(struct aac_dev *dev)
1868 {
1869         return get_unaligned_be32(&dev->safw_phys_luns->list_length[0])/24;
1870 }
1871
1872 static inline u32 aac_get_safw_phys_bus(struct aac_dev *dev, int lun)
1873 {
1874         return dev->safw_phys_luns->lun[lun].level2[1] & 0x3f;
1875 }
1876
1877 static inline u32 aac_get_safw_phys_target(struct aac_dev *dev, int lun)
1878 {
1879         return dev->safw_phys_luns->lun[lun].level2[0];
1880 }
1881
1882 static inline u32 aac_get_safw_phys_expose_flag(struct aac_dev *dev, int lun)
1883 {
1884         return dev->safw_phys_luns->lun[lun].bus >> 6;
1885 }
1886
1887 static inline u32 aac_get_safw_phys_attribs(struct aac_dev *dev, int lun)
1888 {
1889         return dev->safw_phys_luns->lun[lun].node_ident[9];
1890 }
1891
1892 static inline u32 aac_get_safw_phys_nexus(struct aac_dev *dev, int lun)
1893 {
1894         return *((u32 *)&dev->safw_phys_luns->lun[lun].node_ident[12]);
1895 }
1896
1897 static inline void aac_free_safw_identify_resp(struct aac_dev *dev,
1898                                                 int bus, int target)
1899 {
1900         kfree(dev->hba_map[bus][target].safw_identify_resp);
1901         dev->hba_map[bus][target].safw_identify_resp = NULL;
1902 }
1903
1904 static inline void aac_free_safw_all_identify_resp(struct aac_dev *dev,
1905         int lun_count)
1906 {
1907         int luns;
1908         int i;
1909         u32 bus;
1910         u32 target;
1911
1912         luns = aac_get_safw_phys_lun_count(dev);
1913
1914         if (luns < lun_count)
1915                 lun_count = luns;
1916         else if (lun_count < 0)
1917                 lun_count = luns;
1918
1919         for (i = 0; i < lun_count; i++) {
1920                 bus = aac_get_safw_phys_bus(dev, i);
1921                 target = aac_get_safw_phys_target(dev, i);
1922
1923                 aac_free_safw_identify_resp(dev, bus, target);
1924         }
1925 }
1926
1927 static int aac_get_safw_attr_all_targets(struct aac_dev *dev)
1928 {
1929         int i;
1930         int rcode = 0;
1931         u32 lun_count;
1932         u32 bus;
1933         u32 target;
1934         struct aac_ciss_identify_pd *identify_resp = NULL;
1935
1936         lun_count = aac_get_safw_phys_lun_count(dev);
1937
1938         for (i = 0; i < lun_count; ++i) {
1939
1940                 bus = aac_get_safw_phys_bus(dev, i);
1941                 target = aac_get_safw_phys_target(dev, i);
1942
1943                 rcode = aac_issue_safw_bmic_identify(dev,
1944                                                 &identify_resp, bus, target);
1945
1946                 if (unlikely(rcode < 0))
1947                         goto free_identify_resp;
1948
1949                 dev->hba_map[bus][target].safw_identify_resp = identify_resp;
1950         }
1951
1952 out:
1953         return rcode;
1954 free_identify_resp:
1955         aac_free_safw_all_identify_resp(dev, i);
1956         goto out;
1957 }
1958
1959 /**
1960  *      aac_set_safw_attr_all_targets-  update current hba map with data from FW
1961  *      @dev:   aac_dev structure
1962  *
1963  *      Update our hba map with the information gathered from the FW
1964  */
1965 static void aac_set_safw_attr_all_targets(struct aac_dev *dev)
1966 {
1967         /* ok and extended reporting */
1968         u32 lun_count, nexus;
1969         u32 i, bus, target;
1970         u8 expose_flag, attribs;
1971
1972         lun_count = aac_get_safw_phys_lun_count(dev);
1973
1974         dev->scan_counter++;
1975
1976         for (i = 0; i < lun_count; ++i) {
1977
1978                 bus = aac_get_safw_phys_bus(dev, i);
1979                 target = aac_get_safw_phys_target(dev, i);
1980                 expose_flag = aac_get_safw_phys_expose_flag(dev, i);
1981                 attribs = aac_get_safw_phys_attribs(dev, i);
1982                 nexus = aac_get_safw_phys_nexus(dev, i);
1983
1984                 if (bus >= AAC_MAX_BUSES || target >= AAC_MAX_TARGETS)
1985                         continue;
1986
1987                 if (expose_flag != 0) {
1988                         dev->hba_map[bus][target].devtype =
1989                                 AAC_DEVTYPE_RAID_MEMBER;
1990                         continue;
1991                 }
1992
1993                 if (nexus != 0 && (attribs & 8)) {
1994                         dev->hba_map[bus][target].devtype =
1995                                 AAC_DEVTYPE_NATIVE_RAW;
1996                         dev->hba_map[bus][target].rmw_nexus =
1997                                         nexus;
1998                 } else
1999                         dev->hba_map[bus][target].devtype =
2000                                 AAC_DEVTYPE_ARC_RAW;
2001
2002                 dev->hba_map[bus][target].scan_counter = dev->scan_counter;
2003
2004                 aac_set_safw_target_qd(dev, bus, target);
2005         }
2006 }
2007
2008 static int aac_setup_safw_targets(struct aac_dev *dev)
2009 {
2010         int rcode = 0;
2011
2012         rcode = aac_get_containers(dev);
2013         if (unlikely(rcode < 0))
2014                 goto out;
2015
2016         rcode = aac_get_safw_ciss_luns(dev);
2017         if (unlikely(rcode < 0))
2018                 goto out;
2019
2020         rcode = aac_get_safw_attr_all_targets(dev);
2021         if (unlikely(rcode < 0))
2022                 goto free_ciss_luns;
2023
2024         aac_set_safw_attr_all_targets(dev);
2025
2026         aac_free_safw_all_identify_resp(dev, -1);
2027 free_ciss_luns:
2028         aac_free_safw_ciss_luns(dev);
2029 out:
2030         return rcode;
2031 }
2032
2033 int aac_setup_safw_adapter(struct aac_dev *dev)
2034 {
2035         return aac_setup_safw_targets(dev);
2036 }
2037
2038 int aac_get_adapter_info(struct aac_dev* dev)
2039 {
2040         struct fib* fibptr;
2041         int rcode;
2042         u32 tmp, bus, target;
2043         struct aac_adapter_info *info;
2044         struct aac_bus_info *command;
2045         struct aac_bus_info_response *bus_info;
2046
2047         if (!(fibptr = aac_fib_alloc(dev)))
2048                 return -ENOMEM;
2049
2050         aac_fib_init(fibptr);
2051         info = (struct aac_adapter_info *) fib_data(fibptr);
2052         memset(info,0,sizeof(*info));
2053
2054         rcode = aac_fib_send(RequestAdapterInfo,
2055                          fibptr,
2056                          sizeof(*info),
2057                          FsaNormal,
2058                          -1, 1, /* First `interrupt' command uses special wait */
2059                          NULL,
2060                          NULL);
2061
2062         if (rcode < 0) {
2063                 /* FIB should be freed only after
2064                  * getting the response from the F/W */
2065                 if (rcode != -ERESTARTSYS) {
2066                         aac_fib_complete(fibptr);
2067                         aac_fib_free(fibptr);
2068                 }
2069                 return rcode;
2070         }
2071         memcpy(&dev->adapter_info, info, sizeof(*info));
2072
2073         dev->supplement_adapter_info.virt_device_bus = 0xffff;
2074         if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
2075                 struct aac_supplement_adapter_info * sinfo;
2076
2077                 aac_fib_init(fibptr);
2078
2079                 sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr);
2080
2081                 memset(sinfo,0,sizeof(*sinfo));
2082
2083                 rcode = aac_fib_send(RequestSupplementAdapterInfo,
2084                                  fibptr,
2085                                  sizeof(*sinfo),
2086                                  FsaNormal,
2087                                  1, 1,
2088                                  NULL,
2089                                  NULL);
2090
2091                 if (rcode >= 0)
2092                         memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo));
2093                 if (rcode == -ERESTARTSYS) {
2094                         fibptr = aac_fib_alloc(dev);
2095                         if (!fibptr)
2096                                 return -ENOMEM;
2097                 }
2098
2099         }
2100
2101         /* reset all previous mapped devices (i.e. for init. after IOP_RESET) */
2102         for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
2103                 for (target = 0; target < AAC_MAX_TARGETS; target++) {
2104                         dev->hba_map[bus][target].devtype = 0;
2105                         dev->hba_map[bus][target].qd_limit = 0;
2106                 }
2107         }
2108
2109         /*
2110          * GetBusInfo
2111          */
2112
2113         aac_fib_init(fibptr);
2114
2115         bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
2116
2117         memset(bus_info, 0, sizeof(*bus_info));
2118
2119         command = (struct aac_bus_info *)bus_info;
2120
2121         command->Command = cpu_to_le32(VM_Ioctl);
2122         command->ObjType = cpu_to_le32(FT_DRIVE);
2123         command->MethodId = cpu_to_le32(1);
2124         command->CtlCmd = cpu_to_le32(GetBusInfo);
2125
2126         rcode = aac_fib_send(ContainerCommand,
2127                          fibptr,
2128                          sizeof (*bus_info),
2129                          FsaNormal,
2130                          1, 1,
2131                          NULL, NULL);
2132
2133         /* reasoned default */
2134         dev->maximum_num_physicals = 16;
2135         if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
2136                 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
2137                 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
2138         }
2139
2140         if (!dev->in_reset) {
2141                 char buffer[16];
2142                 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
2143                 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
2144                         dev->name,
2145                         dev->id,
2146                         tmp>>24,
2147                         (tmp>>16)&0xff,
2148                         tmp&0xff,
2149                         le32_to_cpu(dev->adapter_info.kernelbuild),
2150                         (int)sizeof(dev->supplement_adapter_info.build_date),
2151                         dev->supplement_adapter_info.build_date);
2152                 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
2153                 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
2154                         dev->name, dev->id,
2155                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
2156                         le32_to_cpu(dev->adapter_info.monitorbuild));
2157                 tmp = le32_to_cpu(dev->adapter_info.biosrev);
2158                 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
2159                         dev->name, dev->id,
2160                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
2161                         le32_to_cpu(dev->adapter_info.biosbuild));
2162                 buffer[0] = '\0';
2163                 if (aac_get_serial_number(
2164                   shost_to_class(dev->scsi_host_ptr), buffer))
2165                         printk(KERN_INFO "%s%d: serial %s",
2166                           dev->name, dev->id, buffer);
2167                 if (dev->supplement_adapter_info.vpd_info.tsid[0]) {
2168                         printk(KERN_INFO "%s%d: TSID %.*s\n",
2169                           dev->name, dev->id,
2170                           (int)sizeof(dev->supplement_adapter_info
2171                                                         .vpd_info.tsid),
2172                                 dev->supplement_adapter_info.vpd_info.tsid);
2173                 }
2174                 if (!aac_check_reset || ((aac_check_reset == 1) &&
2175                   (dev->supplement_adapter_info.supported_options2 &
2176                   AAC_OPTION_IGNORE_RESET))) {
2177                         printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
2178                           dev->name, dev->id);
2179                 }
2180         }
2181
2182         dev->cache_protected = 0;
2183         dev->jbod = ((dev->supplement_adapter_info.feature_bits &
2184                 AAC_FEATURE_JBOD) != 0);
2185         dev->nondasd_support = 0;
2186         dev->raid_scsi_mode = 0;
2187         if(dev->adapter_info.options & AAC_OPT_NONDASD)
2188                 dev->nondasd_support = 1;
2189
2190         /*
2191          * If the firmware supports ROMB RAID/SCSI mode and we are currently
2192          * in RAID/SCSI mode, set the flag. For now if in this mode we will
2193          * force nondasd support on. If we decide to allow the non-dasd flag
2194          * additional changes changes will have to be made to support
2195          * RAID/SCSI.  the function aac_scsi_cmd in this module will have to be
2196          * changed to support the new dev->raid_scsi_mode flag instead of
2197          * leaching off of the dev->nondasd_support flag. Also in linit.c the
2198          * function aac_detect will have to be modified where it sets up the
2199          * max number of channels based on the aac->nondasd_support flag only.
2200          */
2201         if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
2202             (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
2203                 dev->nondasd_support = 1;
2204                 dev->raid_scsi_mode = 1;
2205         }
2206         if (dev->raid_scsi_mode != 0)
2207                 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
2208                                 dev->name, dev->id);
2209
2210         if (nondasd != -1)
2211                 dev->nondasd_support = (nondasd!=0);
2212         if (dev->nondasd_support && !dev->in_reset)
2213                 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
2214
2215         if (dma_get_required_mask(&dev->pdev->dev) > DMA_BIT_MASK(32))
2216                 dev->needs_dac = 1;
2217         dev->dac_support = 0;
2218         if ((sizeof(dma_addr_t) > 4) && dev->needs_dac &&
2219             (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) {
2220                 if (!dev->in_reset)
2221                         printk(KERN_INFO "%s%d: 64bit support enabled.\n",
2222                                 dev->name, dev->id);
2223                 dev->dac_support = 1;
2224         }
2225
2226         if(dacmode != -1) {
2227                 dev->dac_support = (dacmode!=0);
2228         }
2229
2230         /* avoid problems with AAC_QUIRK_SCSI_32 controllers */
2231         if (dev->dac_support && (aac_get_driver_ident(dev->cardtype)->quirks
2232                 & AAC_QUIRK_SCSI_32)) {
2233                 dev->nondasd_support = 0;
2234                 dev->jbod = 0;
2235                 expose_physicals = 0;
2236         }
2237
2238         if (dev->dac_support) {
2239                 if (!dma_set_mask(&dev->pdev->dev, DMA_BIT_MASK(64))) {
2240                         if (!dev->in_reset)
2241                                 dev_info(&dev->pdev->dev, "64 Bit DAC enabled\n");
2242                 } else if (!dma_set_mask(&dev->pdev->dev, DMA_BIT_MASK(32))) {
2243                         dev_info(&dev->pdev->dev, "DMA mask set failed, 64 Bit DAC disabled\n");
2244                         dev->dac_support = 0;
2245                 } else {
2246                         dev_info(&dev->pdev->dev, "No suitable DMA available\n");
2247                         rcode = -ENOMEM;
2248                 }
2249         }
2250         /*
2251          * Deal with configuring for the individualized limits of each packet
2252          * interface.
2253          */
2254         dev->a_ops.adapter_scsi = (dev->dac_support)
2255           ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32)
2256                                 ? aac_scsi_32_64
2257                                 : aac_scsi_64)
2258                                 : aac_scsi_32;
2259         if (dev->raw_io_interface) {
2260                 dev->a_ops.adapter_bounds = (dev->raw_io_64)
2261                                         ? aac_bounds_64
2262                                         : aac_bounds_32;
2263                 dev->a_ops.adapter_read = aac_read_raw_io;
2264                 dev->a_ops.adapter_write = aac_write_raw_io;
2265         } else {
2266                 dev->a_ops.adapter_bounds = aac_bounds_32;
2267                 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
2268                         sizeof(struct aac_fibhdr) -
2269                         sizeof(struct aac_write) + sizeof(struct sgentry)) /
2270                                 sizeof(struct sgentry);
2271                 if (dev->dac_support) {
2272                         dev->a_ops.adapter_read = aac_read_block64;
2273                         dev->a_ops.adapter_write = aac_write_block64;
2274                         /*
2275                          * 38 scatter gather elements
2276                          */
2277                         dev->scsi_host_ptr->sg_tablesize =
2278                                 (dev->max_fib_size -
2279                                 sizeof(struct aac_fibhdr) -
2280                                 sizeof(struct aac_write64) +
2281                                 sizeof(struct sgentry64)) /
2282                                         sizeof(struct sgentry64);
2283                 } else {
2284                         dev->a_ops.adapter_read = aac_read_block;
2285                         dev->a_ops.adapter_write = aac_write_block;
2286                 }
2287                 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
2288                 if (!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
2289                         /*
2290                          * Worst case size that could cause sg overflow when
2291                          * we break up SG elements that are larger than 64KB.
2292                          * Would be nice if we could tell the SCSI layer what
2293                          * the maximum SG element size can be. Worst case is
2294                          * (sg_tablesize-1) 4KB elements with one 64KB
2295                          * element.
2296                          *      32bit -> 468 or 238KB   64bit -> 424 or 212KB
2297                          */
2298                         dev->scsi_host_ptr->max_sectors =
2299                           (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
2300                 }
2301         }
2302         if (!dev->sync_mode && dev->sa_firmware &&
2303                 dev->scsi_host_ptr->sg_tablesize > HBA_MAX_SG_SEPARATE)
2304                 dev->scsi_host_ptr->sg_tablesize = dev->sg_tablesize =
2305                         HBA_MAX_SG_SEPARATE;
2306
2307         /* FIB should be freed only after getting the response from the F/W */
2308         if (rcode != -ERESTARTSYS) {
2309                 aac_fib_complete(fibptr);
2310                 aac_fib_free(fibptr);
2311         }
2312
2313         return rcode;
2314 }
2315
2316
2317 static void io_callback(void *context, struct fib * fibptr)
2318 {
2319         struct aac_dev *dev;
2320         struct aac_read_reply *readreply;
2321         struct scsi_cmnd *scsicmd;
2322         u32 cid;
2323
2324         scsicmd = (struct scsi_cmnd *) context;
2325
2326         if (!aac_valid_context(scsicmd, fibptr))
2327                 return;
2328
2329         dev = fibptr->dev;
2330         cid = scmd_id(scsicmd);
2331
2332         if (nblank(dprintk(x))) {
2333                 u64 lba;
2334                 switch (scsicmd->cmnd[0]) {
2335                 case WRITE_6:
2336                 case READ_6:
2337                         lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
2338                             (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
2339                         break;
2340                 case WRITE_16:
2341                 case READ_16:
2342                         lba = ((u64)scsicmd->cmnd[2] << 56) |
2343                               ((u64)scsicmd->cmnd[3] << 48) |
2344                               ((u64)scsicmd->cmnd[4] << 40) |
2345                               ((u64)scsicmd->cmnd[5] << 32) |
2346                               ((u64)scsicmd->cmnd[6] << 24) |
2347                               (scsicmd->cmnd[7] << 16) |
2348                               (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2349                         break;
2350                 case WRITE_12:
2351                 case READ_12:
2352                         lba = ((u64)scsicmd->cmnd[2] << 24) |
2353                               (scsicmd->cmnd[3] << 16) |
2354                               (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2355                         break;
2356                 default:
2357                         lba = ((u64)scsicmd->cmnd[2] << 24) |
2358                                (scsicmd->cmnd[3] << 16) |
2359                                (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2360                         break;
2361                 }
2362                 printk(KERN_DEBUG
2363                   "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
2364                   smp_processor_id(), (unsigned long long)lba, jiffies);
2365         }
2366
2367         BUG_ON(fibptr == NULL);
2368
2369         scsi_dma_unmap(scsicmd);
2370
2371         readreply = (struct aac_read_reply *)fib_data(fibptr);
2372         switch (le32_to_cpu(readreply->status)) {
2373         case ST_OK:
2374                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2375                 dev->fsa_dev[cid].sense_data.sense_key = NO_SENSE;
2376                 break;
2377         case ST_NOT_READY:
2378                 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2379                 set_sense(&dev->fsa_dev[cid].sense_data, NOT_READY,
2380                   SENCODE_BECOMING_READY, ASENCODE_BECOMING_READY, 0, 0);
2381                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2382                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2383                              SCSI_SENSE_BUFFERSIZE));
2384                 break;
2385         case ST_MEDERR:
2386                 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2387                 set_sense(&dev->fsa_dev[cid].sense_data, MEDIUM_ERROR,
2388                   SENCODE_UNRECOVERED_READ_ERROR, ASENCODE_NO_SENSE, 0, 0);
2389                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2390                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2391                              SCSI_SENSE_BUFFERSIZE));
2392                 break;
2393         default:
2394 #ifdef AAC_DETAILED_STATUS_INFO
2395                 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
2396                   le32_to_cpu(readreply->status));
2397 #endif
2398                 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2399                 set_sense(&dev->fsa_dev[cid].sense_data,
2400                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
2401                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2402                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2403                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2404                              SCSI_SENSE_BUFFERSIZE));
2405                 break;
2406         }
2407         aac_fib_complete(fibptr);
2408
2409         aac_scsi_done(scsicmd);
2410 }
2411
2412 static int aac_read(struct scsi_cmnd * scsicmd)
2413 {
2414         u64 lba;
2415         u32 count;
2416         int status;
2417         struct aac_dev *dev;
2418         struct fib * cmd_fibcontext;
2419         int cid;
2420
2421         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2422         /*
2423          *      Get block address and transfer length
2424          */
2425         switch (scsicmd->cmnd[0]) {
2426         case READ_6:
2427                 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
2428
2429                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
2430                         (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
2431                 count = scsicmd->cmnd[4];
2432
2433                 if (count == 0)
2434                         count = 256;
2435                 break;
2436         case READ_16:
2437                 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
2438
2439                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
2440                         ((u64)scsicmd->cmnd[3] << 48) |
2441                         ((u64)scsicmd->cmnd[4] << 40) |
2442                         ((u64)scsicmd->cmnd[5] << 32) |
2443                         ((u64)scsicmd->cmnd[6] << 24) |
2444                         (scsicmd->cmnd[7] << 16) |
2445                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2446                 count = (scsicmd->cmnd[10] << 24) |
2447                         (scsicmd->cmnd[11] << 16) |
2448                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
2449                 break;
2450         case READ_12:
2451                 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
2452
2453                 lba = ((u64)scsicmd->cmnd[2] << 24) |
2454                         (scsicmd->cmnd[3] << 16) |
2455                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2456                 count = (scsicmd->cmnd[6] << 24) |
2457                         (scsicmd->cmnd[7] << 16) |
2458                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2459                 break;
2460         default:
2461                 dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd)));
2462
2463                 lba = ((u64)scsicmd->cmnd[2] << 24) |
2464                         (scsicmd->cmnd[3] << 16) |
2465                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2466                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
2467                 break;
2468         }
2469
2470         if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
2471                 cid = scmd_id(scsicmd);
2472                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
2473                 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2474                 set_sense(&dev->fsa_dev[cid].sense_data,
2475                           ILLEGAL_REQUEST, SENCODE_LBA_OUT_OF_RANGE,
2476                           ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2477                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2478                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2479                              SCSI_SENSE_BUFFERSIZE));
2480                 aac_scsi_done(scsicmd);
2481                 return 0;
2482         }
2483
2484         dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
2485           smp_processor_id(), (unsigned long long)lba, jiffies));
2486         if (aac_adapter_bounds(dev,scsicmd,lba))
2487                 return 0;
2488         /*
2489          *      Alocate and initialize a Fib
2490          */
2491         cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
2492         aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
2493         status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
2494
2495         /*
2496          *      Check that the command queued to the controller
2497          */
2498         if (status == -EINPROGRESS)
2499                 return 0;
2500
2501         printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
2502         /*
2503          *      For some reason, the Fib didn't queue, return QUEUE_FULL
2504          */
2505         scsicmd->result = DID_OK << 16 | SAM_STAT_TASK_SET_FULL;
2506         aac_scsi_done(scsicmd);
2507         aac_fib_complete(cmd_fibcontext);
2508         aac_fib_free(cmd_fibcontext);
2509         return 0;
2510 }
2511
2512 static int aac_write(struct scsi_cmnd * scsicmd)
2513 {
2514         u64 lba;
2515         u32 count;
2516         int fua;
2517         int status;
2518         struct aac_dev *dev;
2519         struct fib * cmd_fibcontext;
2520         int cid;
2521
2522         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2523         /*
2524          *      Get block address and transfer length
2525          */
2526         if (scsicmd->cmnd[0] == WRITE_6)        /* 6 byte command */
2527         {
2528                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
2529                 count = scsicmd->cmnd[4];
2530                 if (count == 0)
2531                         count = 256;
2532                 fua = 0;
2533         } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
2534                 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
2535
2536                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
2537                         ((u64)scsicmd->cmnd[3] << 48) |
2538                         ((u64)scsicmd->cmnd[4] << 40) |
2539                         ((u64)scsicmd->cmnd[5] << 32) |
2540                         ((u64)scsicmd->cmnd[6] << 24) |
2541                         (scsicmd->cmnd[7] << 16) |
2542                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2543                 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
2544                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
2545                 fua = scsicmd->cmnd[1] & 0x8;
2546         } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
2547                 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
2548
2549                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
2550                     | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2551                 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
2552                       | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2553                 fua = scsicmd->cmnd[1] & 0x8;
2554         } else {
2555                 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
2556                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2557                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
2558                 fua = scsicmd->cmnd[1] & 0x8;
2559         }
2560
2561         if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
2562                 cid = scmd_id(scsicmd);
2563                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
2564                 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2565                 set_sense(&dev->fsa_dev[cid].sense_data,
2566                           ILLEGAL_REQUEST, SENCODE_LBA_OUT_OF_RANGE,
2567                           ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2568                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2569                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2570                              SCSI_SENSE_BUFFERSIZE));
2571                 aac_scsi_done(scsicmd);
2572                 return 0;
2573         }
2574
2575         dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
2576           smp_processor_id(), (unsigned long long)lba, jiffies));
2577         if (aac_adapter_bounds(dev,scsicmd,lba))
2578                 return 0;
2579         /*
2580          *      Allocate and initialize a Fib then setup a BlockWrite command
2581          */
2582         cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
2583         aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
2584         status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
2585
2586         /*
2587          *      Check that the command queued to the controller
2588          */
2589         if (status == -EINPROGRESS)
2590                 return 0;
2591
2592         printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
2593         /*
2594          *      For some reason, the Fib didn't queue, return QUEUE_FULL
2595          */
2596         scsicmd->result = DID_OK << 16 | SAM_STAT_TASK_SET_FULL;
2597         aac_scsi_done(scsicmd);
2598
2599         aac_fib_complete(cmd_fibcontext);
2600         aac_fib_free(cmd_fibcontext);
2601         return 0;
2602 }
2603
2604 static void synchronize_callback(void *context, struct fib *fibptr)
2605 {
2606         struct aac_synchronize_reply *synchronizereply;
2607         struct scsi_cmnd *cmd = context;
2608
2609         if (!aac_valid_context(cmd, fibptr))
2610                 return;
2611
2612         dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
2613                                 smp_processor_id(), jiffies));
2614         BUG_ON(fibptr == NULL);
2615
2616
2617         synchronizereply = fib_data(fibptr);
2618         if (le32_to_cpu(synchronizereply->status) == CT_OK)
2619                 cmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2620         else {
2621                 struct scsi_device *sdev = cmd->device;
2622                 struct aac_dev *dev = fibptr->dev;
2623                 u32 cid = sdev_id(sdev);
2624                 printk(KERN_WARNING
2625                      "synchronize_callback: synchronize failed, status = %d\n",
2626                      le32_to_cpu(synchronizereply->status));
2627                 cmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2628                 set_sense(&dev->fsa_dev[cid].sense_data,
2629                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
2630                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2631                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2632                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2633                              SCSI_SENSE_BUFFERSIZE));
2634         }
2635
2636         aac_fib_complete(fibptr);
2637         aac_fib_free(fibptr);
2638         aac_scsi_done(cmd);
2639 }
2640
2641 static int aac_synchronize(struct scsi_cmnd *scsicmd)
2642 {
2643         int status;
2644         struct fib *cmd_fibcontext;
2645         struct aac_synchronize *synchronizecmd;
2646         struct scsi_device *sdev = scsicmd->device;
2647         struct aac_dev *aac;
2648
2649         aac = (struct aac_dev *)sdev->host->hostdata;
2650         if (aac->in_reset)
2651                 return SCSI_MLQUEUE_HOST_BUSY;
2652
2653         /*
2654          *      Allocate and initialize a Fib
2655          */
2656         cmd_fibcontext = aac_fib_alloc_tag(aac, scsicmd);
2657
2658         aac_fib_init(cmd_fibcontext);
2659
2660         synchronizecmd = fib_data(cmd_fibcontext);
2661         synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
2662         synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
2663         synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
2664         synchronizecmd->count =
2665              cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
2666         aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
2667
2668         /*
2669          *      Now send the Fib to the adapter
2670          */
2671         status = aac_fib_send(ContainerCommand,
2672                   cmd_fibcontext,
2673                   sizeof(struct aac_synchronize),
2674                   FsaNormal,
2675                   0, 1,
2676                   (fib_callback)synchronize_callback,
2677                   (void *)scsicmd);
2678
2679         /*
2680          *      Check that the command queued to the controller
2681          */
2682         if (status == -EINPROGRESS)
2683                 return 0;
2684
2685         printk(KERN_WARNING
2686                 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
2687         aac_fib_complete(cmd_fibcontext);
2688         aac_fib_free(cmd_fibcontext);
2689         return SCSI_MLQUEUE_HOST_BUSY;
2690 }
2691
2692 static void aac_start_stop_callback(void *context, struct fib *fibptr)
2693 {
2694         struct scsi_cmnd *scsicmd = context;
2695
2696         if (!aac_valid_context(scsicmd, fibptr))
2697                 return;
2698
2699         BUG_ON(fibptr == NULL);
2700
2701         scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2702
2703         aac_fib_complete(fibptr);
2704         aac_fib_free(fibptr);
2705         aac_scsi_done(scsicmd);
2706 }
2707
2708 static int aac_start_stop(struct scsi_cmnd *scsicmd)
2709 {
2710         int status;
2711         struct fib *cmd_fibcontext;
2712         struct aac_power_management *pmcmd;
2713         struct scsi_device *sdev = scsicmd->device;
2714         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
2715
2716         if (!(aac->supplement_adapter_info.supported_options2 &
2717               AAC_OPTION_POWER_MANAGEMENT)) {
2718                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2719                 aac_scsi_done(scsicmd);
2720                 return 0;
2721         }
2722
2723         if (aac->in_reset)
2724                 return SCSI_MLQUEUE_HOST_BUSY;
2725
2726         /*
2727          *      Allocate and initialize a Fib
2728          */
2729         cmd_fibcontext = aac_fib_alloc_tag(aac, scsicmd);
2730
2731         aac_fib_init(cmd_fibcontext);
2732
2733         pmcmd = fib_data(cmd_fibcontext);
2734         pmcmd->command = cpu_to_le32(VM_ContainerConfig);
2735         pmcmd->type = cpu_to_le32(CT_POWER_MANAGEMENT);
2736         /* Eject bit ignored, not relevant */
2737         pmcmd->sub = (scsicmd->cmnd[4] & 1) ?
2738                 cpu_to_le32(CT_PM_START_UNIT) : cpu_to_le32(CT_PM_STOP_UNIT);
2739         pmcmd->cid = cpu_to_le32(sdev_id(sdev));
2740         pmcmd->parm = (scsicmd->cmnd[1] & 1) ?
2741                 cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0;
2742         aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
2743
2744         /*
2745          *      Now send the Fib to the adapter
2746          */
2747         status = aac_fib_send(ContainerCommand,
2748                   cmd_fibcontext,
2749                   sizeof(struct aac_power_management),
2750                   FsaNormal,
2751                   0, 1,
2752                   (fib_callback)aac_start_stop_callback,
2753                   (void *)scsicmd);
2754
2755         /*
2756          *      Check that the command queued to the controller
2757          */
2758         if (status == -EINPROGRESS)
2759                 return 0;
2760
2761         aac_fib_complete(cmd_fibcontext);
2762         aac_fib_free(cmd_fibcontext);
2763         return SCSI_MLQUEUE_HOST_BUSY;
2764 }
2765
2766 /**
2767  *      aac_scsi_cmd()          -       Process SCSI command
2768  *      @scsicmd:               SCSI command block
2769  *
2770  *      Emulate a SCSI command and queue the required request for the
2771  *      aacraid firmware.
2772  */
2773
2774 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
2775 {
2776         u32 cid, bus;
2777         struct Scsi_Host *host = scsicmd->device->host;
2778         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
2779         struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
2780
2781         if (fsa_dev_ptr == NULL)
2782                 return -1;
2783         /*
2784          *      If the bus, id or lun is out of range, return fail
2785          *      Test does not apply to ID 16, the pseudo id for the controller
2786          *      itself.
2787          */
2788         cid = scmd_id(scsicmd);
2789         if (cid != host->this_id) {
2790                 if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
2791                         if((cid >= dev->maximum_num_containers) ||
2792                                         (scsicmd->device->lun != 0)) {
2793                                 scsicmd->result = DID_NO_CONNECT << 16;
2794                                 goto scsi_done_ret;
2795                         }
2796
2797                         /*
2798                          *      If the target container doesn't exist, it may have
2799                          *      been newly created
2800                          */
2801                         if (((fsa_dev_ptr[cid].valid & 1) == 0) ||
2802                           (fsa_dev_ptr[cid].sense_data.sense_key ==
2803                            NOT_READY)) {
2804                                 switch (scsicmd->cmnd[0]) {
2805                                 case SERVICE_ACTION_IN_16:
2806                                         if (!(dev->raw_io_interface) ||
2807                                             !(dev->raw_io_64) ||
2808                                             ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2809                                                 break;
2810                                         fallthrough;
2811                                 case INQUIRY:
2812                                 case READ_CAPACITY:
2813                                 case TEST_UNIT_READY:
2814                                         if (dev->in_reset)
2815                                                 return -1;
2816                                         return _aac_probe_container(scsicmd,
2817                                                         aac_probe_container_callback2);
2818                                 default:
2819                                         break;
2820                                 }
2821                         }
2822                 } else {  /* check for physical non-dasd devices */
2823                         bus = aac_logical_to_phys(scmd_channel(scsicmd));
2824
2825                         if (bus < AAC_MAX_BUSES && cid < AAC_MAX_TARGETS &&
2826                                 dev->hba_map[bus][cid].devtype
2827                                         == AAC_DEVTYPE_NATIVE_RAW) {
2828                                 if (dev->in_reset)
2829                                         return -1;
2830                                 return aac_send_hba_fib(scsicmd);
2831                         } else if (dev->nondasd_support || expose_physicals ||
2832                                 dev->jbod) {
2833                                 if (dev->in_reset)
2834                                         return -1;
2835                                 return aac_send_srb_fib(scsicmd);
2836                         } else {
2837                                 scsicmd->result = DID_NO_CONNECT << 16;
2838                                 goto scsi_done_ret;
2839                         }
2840                 }
2841         }
2842         /*
2843          * else Command for the controller itself
2844          */
2845         else if ((scsicmd->cmnd[0] != INQUIRY) &&       /* only INQUIRY & TUR cmnd supported for controller */
2846                 (scsicmd->cmnd[0] != TEST_UNIT_READY))
2847         {
2848                 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
2849                 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2850                 set_sense(&dev->fsa_dev[cid].sense_data,
2851                   ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2852                   ASENCODE_INVALID_COMMAND, 0, 0);
2853                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2854                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2855                              SCSI_SENSE_BUFFERSIZE));
2856                 goto scsi_done_ret;
2857         }
2858
2859         switch (scsicmd->cmnd[0]) {
2860         case READ_6:
2861         case READ_10:
2862         case READ_12:
2863         case READ_16:
2864                 if (dev->in_reset)
2865                         return -1;
2866                 return aac_read(scsicmd);
2867
2868         case WRITE_6:
2869         case WRITE_10:
2870         case WRITE_12:
2871         case WRITE_16:
2872                 if (dev->in_reset)
2873                         return -1;
2874                 return aac_write(scsicmd);
2875
2876         case SYNCHRONIZE_CACHE:
2877                 if (((aac_cache & 6) == 6) && dev->cache_protected) {
2878                         scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2879                         break;
2880                 }
2881                 /* Issue FIB to tell Firmware to flush it's cache */
2882                 if ((aac_cache & 6) != 2)
2883                         return aac_synchronize(scsicmd);
2884                 fallthrough;
2885         case INQUIRY:
2886         {
2887                 struct inquiry_data inq_data;
2888
2889                 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
2890                 memset(&inq_data, 0, sizeof (struct inquiry_data));
2891
2892                 if ((scsicmd->cmnd[1] & 0x1) && aac_wwn) {
2893                         char *arr = (char *)&inq_data;
2894
2895                         /* EVPD bit set */
2896                         arr[0] = (scmd_id(scsicmd) == host->this_id) ?
2897                           INQD_PDT_PROC : INQD_PDT_DA;
2898                         if (scsicmd->cmnd[2] == 0) {
2899                                 /* supported vital product data pages */
2900                                 arr[3] = 3;
2901                                 arr[4] = 0x0;
2902                                 arr[5] = 0x80;
2903                                 arr[6] = 0x83;
2904                                 arr[1] = scsicmd->cmnd[2];
2905                                 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2906                                                          sizeof(inq_data));
2907                                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2908                         } else if (scsicmd->cmnd[2] == 0x80) {
2909                                 /* unit serial number page */
2910                                 arr[3] = setinqserial(dev, &arr[4],
2911                                   scmd_id(scsicmd));
2912                                 arr[1] = scsicmd->cmnd[2];
2913                                 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2914                                                          sizeof(inq_data));
2915                                 if (aac_wwn != 2)
2916                                         return aac_get_container_serial(
2917                                                 scsicmd);
2918                                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2919                         } else if (scsicmd->cmnd[2] == 0x83) {
2920                                 /* vpd page 0x83 - Device Identification Page */
2921                                 char *sno = (char *)&inq_data;
2922                                 sno[3] = setinqserial(dev, &sno[4],
2923                                                       scmd_id(scsicmd));
2924                                 if (aac_wwn != 2)
2925                                         return aac_get_container_serial(
2926                                                 scsicmd);
2927                                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2928                         } else {
2929                                 /* vpd page not implemented */
2930                                 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2931                                 set_sense(&dev->fsa_dev[cid].sense_data,
2932                                   ILLEGAL_REQUEST, SENCODE_INVALID_CDB_FIELD,
2933                                   ASENCODE_NO_SENSE, 7, 2);
2934                                 memcpy(scsicmd->sense_buffer,
2935                                   &dev->fsa_dev[cid].sense_data,
2936                                   min_t(size_t,
2937                                         sizeof(dev->fsa_dev[cid].sense_data),
2938                                         SCSI_SENSE_BUFFERSIZE));
2939                         }
2940                         break;
2941                 }
2942                 inq_data.inqd_ver = 2;  /* claim compliance to SCSI-2 */
2943                 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 */
2944                 inq_data.inqd_len = 31;
2945                 /*Format for "pad2" is  RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
2946                 inq_data.inqd_pad2= 0x32 ;       /*WBus16|Sync|CmdQue */
2947                 /*
2948                  *      Set the Vendor, Product, and Revision Level
2949                  *      see: <vendor>.c i.e. aac.c
2950                  */
2951                 if (cid == host->this_id) {
2952                         setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
2953                         inq_data.inqd_pdt = INQD_PDT_PROC;      /* Processor device */
2954                         scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2955                                                  sizeof(inq_data));
2956                         scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2957                         break;
2958                 }
2959                 if (dev->in_reset)
2960                         return -1;
2961                 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
2962                 inq_data.inqd_pdt = INQD_PDT_DA;        /* Direct/random access device */
2963                 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
2964                 return aac_get_container_name(scsicmd);
2965         }
2966         case SERVICE_ACTION_IN_16:
2967                 if (!(dev->raw_io_interface) ||
2968                     !(dev->raw_io_64) ||
2969                     ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2970                         break;
2971         {
2972                 u64 capacity;
2973                 char cp[13];
2974                 unsigned int alloc_len;
2975
2976                 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
2977                 capacity = fsa_dev_ptr[cid].size - 1;
2978                 cp[0] = (capacity >> 56) & 0xff;
2979                 cp[1] = (capacity >> 48) & 0xff;
2980                 cp[2] = (capacity >> 40) & 0xff;
2981                 cp[3] = (capacity >> 32) & 0xff;
2982                 cp[4] = (capacity >> 24) & 0xff;
2983                 cp[5] = (capacity >> 16) & 0xff;
2984                 cp[6] = (capacity >> 8) & 0xff;
2985                 cp[7] = (capacity >> 0) & 0xff;
2986                 cp[8] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
2987                 cp[9] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
2988                 cp[10] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
2989                 cp[11] = (fsa_dev_ptr[cid].block_size) & 0xff;
2990                 cp[12] = 0;
2991
2992                 alloc_len = ((scsicmd->cmnd[10] << 24)
2993                              + (scsicmd->cmnd[11] << 16)
2994                              + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);
2995
2996                 alloc_len = min_t(size_t, alloc_len, sizeof(cp));
2997                 scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len);
2998                 if (alloc_len < scsi_bufflen(scsicmd))
2999                         scsi_set_resid(scsicmd,
3000                                        scsi_bufflen(scsicmd) - alloc_len);
3001
3002                 /* Do not cache partition table for arrays */
3003                 scsicmd->device->removable = 1;
3004
3005                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3006                 break;
3007         }
3008
3009         case READ_CAPACITY:
3010         {
3011                 u32 capacity;
3012                 char cp[8];
3013
3014                 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
3015                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
3016                         capacity = fsa_dev_ptr[cid].size - 1;
3017                 else
3018                         capacity = (u32)-1;
3019
3020                 cp[0] = (capacity >> 24) & 0xff;
3021                 cp[1] = (capacity >> 16) & 0xff;
3022                 cp[2] = (capacity >> 8) & 0xff;
3023                 cp[3] = (capacity >> 0) & 0xff;
3024                 cp[4] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
3025                 cp[5] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
3026                 cp[6] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
3027                 cp[7] = (fsa_dev_ptr[cid].block_size) & 0xff;
3028                 scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
3029                 /* Do not cache partition table for arrays */
3030                 scsicmd->device->removable = 1;
3031                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3032                 break;
3033         }
3034
3035         case MODE_SENSE:
3036         {
3037                 int mode_buf_length = 4;
3038                 u32 capacity;
3039                 aac_modep_data mpd;
3040
3041                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
3042                         capacity = fsa_dev_ptr[cid].size - 1;
3043                 else
3044                         capacity = (u32)-1;
3045
3046                 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
3047                 memset((char *)&mpd, 0, sizeof(aac_modep_data));
3048
3049                 /* Mode data length */
3050                 mpd.hd.data_length = sizeof(mpd.hd) - 1;
3051                 /* Medium type - default */
3052                 mpd.hd.med_type = 0;
3053                 /* Device-specific param,
3054                    bit 8: 0/1 = write enabled/protected
3055                    bit 4: 0/1 = FUA enabled */
3056                 mpd.hd.dev_par = 0;
3057
3058                 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
3059                         mpd.hd.dev_par = 0x10;
3060                 if (scsicmd->cmnd[1] & 0x8)
3061                         mpd.hd.bd_length = 0;   /* Block descriptor length */
3062                 else {
3063                         mpd.hd.bd_length = sizeof(mpd.bd);
3064                         mpd.hd.data_length += mpd.hd.bd_length;
3065                         mpd.bd.block_length[0] =
3066                                 (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
3067                         mpd.bd.block_length[1] =
3068                                 (fsa_dev_ptr[cid].block_size >> 8) &  0xff;
3069                         mpd.bd.block_length[2] =
3070                                 fsa_dev_ptr[cid].block_size  & 0xff;
3071
3072                         mpd.mpc_buf[0] = scsicmd->cmnd[2];
3073                         if (scsicmd->cmnd[2] == 0x1C) {
3074                                 /* page length */
3075                                 mpd.mpc_buf[1] = 0xa;
3076                                 /* Mode data length */
3077                                 mpd.hd.data_length = 23;
3078                         } else {
3079                                 /* Mode data length */
3080                                 mpd.hd.data_length = 15;
3081                         }
3082
3083                         if (capacity > 0xffffff) {
3084                                 mpd.bd.block_count[0] = 0xff;
3085                                 mpd.bd.block_count[1] = 0xff;
3086                                 mpd.bd.block_count[2] = 0xff;
3087                         } else {
3088                                 mpd.bd.block_count[0] = (capacity >> 16) & 0xff;
3089                                 mpd.bd.block_count[1] = (capacity >> 8) & 0xff;
3090                                 mpd.bd.block_count[2] = capacity  & 0xff;
3091                         }
3092                 }
3093                 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
3094                   ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
3095                         mpd.hd.data_length += 3;
3096                         mpd.mpc_buf[0] = 8;
3097                         mpd.mpc_buf[1] = 1;
3098                         mpd.mpc_buf[2] = ((aac_cache & 6) == 2)
3099                                 ? 0 : 0x04; /* WCE */
3100                         mode_buf_length = sizeof(mpd);
3101                 }
3102
3103                 if (mode_buf_length > scsicmd->cmnd[4])
3104                         mode_buf_length = scsicmd->cmnd[4];
3105                 else
3106                         mode_buf_length = sizeof(mpd);
3107                 scsi_sg_copy_from_buffer(scsicmd,
3108                                          (char *)&mpd,
3109                                          mode_buf_length);
3110                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3111                 break;
3112         }
3113         case MODE_SENSE_10:
3114         {
3115                 u32 capacity;
3116                 int mode_buf_length = 8;
3117                 aac_modep10_data mpd10;
3118
3119                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
3120                         capacity = fsa_dev_ptr[cid].size - 1;
3121                 else
3122                         capacity = (u32)-1;
3123
3124                 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
3125                 memset((char *)&mpd10, 0, sizeof(aac_modep10_data));
3126                 /* Mode data length (MSB) */
3127                 mpd10.hd.data_length[0] = 0;
3128                 /* Mode data length (LSB) */
3129                 mpd10.hd.data_length[1] = sizeof(mpd10.hd) - 1;
3130                 /* Medium type - default */
3131                 mpd10.hd.med_type = 0;
3132                 /* Device-specific param,
3133                    bit 8: 0/1 = write enabled/protected
3134                    bit 4: 0/1 = FUA enabled */
3135                 mpd10.hd.dev_par = 0;
3136
3137                 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
3138                         mpd10.hd.dev_par = 0x10;
3139                 mpd10.hd.rsrvd[0] = 0;  /* reserved */
3140                 mpd10.hd.rsrvd[1] = 0;  /* reserved */
3141                 if (scsicmd->cmnd[1] & 0x8) {
3142                         /* Block descriptor length (MSB) */
3143                         mpd10.hd.bd_length[0] = 0;
3144                         /* Block descriptor length (LSB) */
3145                         mpd10.hd.bd_length[1] = 0;
3146                 } else {
3147                         mpd10.hd.bd_length[0] = 0;
3148                         mpd10.hd.bd_length[1] = sizeof(mpd10.bd);
3149
3150                         mpd10.hd.data_length[1] += mpd10.hd.bd_length[1];
3151
3152                         mpd10.bd.block_length[0] =
3153                                 (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
3154                         mpd10.bd.block_length[1] =
3155                                 (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
3156                         mpd10.bd.block_length[2] =
3157                                 fsa_dev_ptr[cid].block_size  & 0xff;
3158
3159                         if (capacity > 0xffffff) {
3160                                 mpd10.bd.block_count[0] = 0xff;
3161                                 mpd10.bd.block_count[1] = 0xff;
3162                                 mpd10.bd.block_count[2] = 0xff;
3163                         } else {
3164                                 mpd10.bd.block_count[0] =
3165                                         (capacity >> 16) & 0xff;
3166                                 mpd10.bd.block_count[1] =
3167                                         (capacity >> 8) & 0xff;
3168                                 mpd10.bd.block_count[2] =
3169                                         capacity  & 0xff;
3170                         }
3171                 }
3172                 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
3173                   ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
3174                         mpd10.hd.data_length[1] += 3;
3175                         mpd10.mpc_buf[0] = 8;
3176                         mpd10.mpc_buf[1] = 1;
3177                         mpd10.mpc_buf[2] = ((aac_cache & 6) == 2)
3178                                 ? 0 : 0x04; /* WCE */
3179                         mode_buf_length = sizeof(mpd10);
3180                         if (mode_buf_length > scsicmd->cmnd[8])
3181                                 mode_buf_length = scsicmd->cmnd[8];
3182                 }
3183                 scsi_sg_copy_from_buffer(scsicmd,
3184                                          (char *)&mpd10,
3185                                          mode_buf_length);
3186
3187                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3188                 break;
3189         }
3190         case REQUEST_SENSE:
3191                 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
3192                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
3193                                 sizeof(struct sense_data));
3194                 memset(&dev->fsa_dev[cid].sense_data, 0,
3195                                 sizeof(struct sense_data));
3196                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3197                 break;
3198
3199         case ALLOW_MEDIUM_REMOVAL:
3200                 dprintk((KERN_DEBUG "LOCK command.\n"));
3201                 if (scsicmd->cmnd[4])
3202                         fsa_dev_ptr[cid].locked = 1;
3203                 else
3204                         fsa_dev_ptr[cid].locked = 0;
3205
3206                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3207                 break;
3208         /*
3209          *      These commands are all No-Ops
3210          */
3211         case TEST_UNIT_READY:
3212                 if (fsa_dev_ptr[cid].sense_data.sense_key == NOT_READY) {
3213                         scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
3214                         set_sense(&dev->fsa_dev[cid].sense_data,
3215                                   NOT_READY, SENCODE_BECOMING_READY,
3216                                   ASENCODE_BECOMING_READY, 0, 0);
3217                         memcpy(scsicmd->sense_buffer,
3218                                &dev->fsa_dev[cid].sense_data,
3219                                min_t(size_t,
3220                                      sizeof(dev->fsa_dev[cid].sense_data),
3221                                      SCSI_SENSE_BUFFERSIZE));
3222                         break;
3223                 }
3224                 fallthrough;
3225         case RESERVE:
3226         case RELEASE:
3227         case REZERO_UNIT:
3228         case REASSIGN_BLOCKS:
3229         case SEEK_10:
3230                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3231                 break;
3232
3233         case START_STOP:
3234                 return aac_start_stop(scsicmd);
3235
3236         default:
3237         /*
3238          *      Unhandled commands
3239          */
3240                 dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n",
3241                                 scsicmd->cmnd[0]));
3242                 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
3243                 set_sense(&dev->fsa_dev[cid].sense_data,
3244                           ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
3245                           ASENCODE_INVALID_COMMAND, 0, 0);
3246                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
3247                                 min_t(size_t,
3248                                       sizeof(dev->fsa_dev[cid].sense_data),
3249                                       SCSI_SENSE_BUFFERSIZE));
3250         }
3251
3252 scsi_done_ret:
3253
3254         aac_scsi_done(scsicmd);
3255         return 0;
3256 }
3257
3258 static int query_disk(struct aac_dev *dev, void __user *arg)
3259 {
3260         struct aac_query_disk qd;
3261         struct fsa_dev_info *fsa_dev_ptr;
3262
3263         fsa_dev_ptr = dev->fsa_dev;
3264         if (!fsa_dev_ptr)
3265                 return -EBUSY;
3266         if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
3267                 return -EFAULT;
3268         if (qd.cnum == -1) {
3269                 if (qd.id < 0 || qd.id >= dev->maximum_num_containers)
3270                         return -EINVAL;
3271                 qd.cnum = qd.id;
3272         } else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) {
3273                 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
3274                         return -EINVAL;
3275                 qd.instance = dev->scsi_host_ptr->host_no;
3276                 qd.bus = 0;
3277                 qd.id = CONTAINER_TO_ID(qd.cnum);
3278                 qd.lun = CONTAINER_TO_LUN(qd.cnum);
3279         }
3280         else return -EINVAL;
3281
3282         qd.valid = fsa_dev_ptr[qd.cnum].valid != 0;
3283         qd.locked = fsa_dev_ptr[qd.cnum].locked;
3284         qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
3285
3286         if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
3287                 qd.unmapped = 1;
3288         else
3289                 qd.unmapped = 0;
3290
3291         strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
3292           min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
3293
3294         if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
3295                 return -EFAULT;
3296         return 0;
3297 }
3298
3299 static int force_delete_disk(struct aac_dev *dev, void __user *arg)
3300 {
3301         struct aac_delete_disk dd;
3302         struct fsa_dev_info *fsa_dev_ptr;
3303
3304         fsa_dev_ptr = dev->fsa_dev;
3305         if (!fsa_dev_ptr)
3306                 return -EBUSY;
3307
3308         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
3309                 return -EFAULT;
3310
3311         if (dd.cnum >= dev->maximum_num_containers)
3312                 return -EINVAL;
3313         /*
3314          *      Mark this container as being deleted.
3315          */
3316         fsa_dev_ptr[dd.cnum].deleted = 1;
3317         /*
3318          *      Mark the container as no longer valid
3319          */
3320         fsa_dev_ptr[dd.cnum].valid = 0;
3321         return 0;
3322 }
3323
3324 static int delete_disk(struct aac_dev *dev, void __user *arg)
3325 {
3326         struct aac_delete_disk dd;
3327         struct fsa_dev_info *fsa_dev_ptr;
3328
3329         fsa_dev_ptr = dev->fsa_dev;
3330         if (!fsa_dev_ptr)
3331                 return -EBUSY;
3332
3333         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
3334                 return -EFAULT;
3335
3336         if (dd.cnum >= dev->maximum_num_containers)
3337                 return -EINVAL;
3338         /*
3339          *      If the container is locked, it can not be deleted by the API.
3340          */
3341         if (fsa_dev_ptr[dd.cnum].locked)
3342                 return -EBUSY;
3343         else {
3344                 /*
3345                  *      Mark the container as no longer being valid.
3346                  */
3347                 fsa_dev_ptr[dd.cnum].valid = 0;
3348                 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
3349                 return 0;
3350         }
3351 }
3352
3353 int aac_dev_ioctl(struct aac_dev *dev, unsigned int cmd, void __user *arg)
3354 {
3355         switch (cmd) {
3356         case FSACTL_QUERY_DISK:
3357                 return query_disk(dev, arg);
3358         case FSACTL_DELETE_DISK:
3359                 return delete_disk(dev, arg);
3360         case FSACTL_FORCE_DELETE_DISK:
3361                 return force_delete_disk(dev, arg);
3362         case FSACTL_GET_CONTAINERS:
3363                 return aac_get_containers(dev);
3364         default:
3365                 return -ENOTTY;
3366         }
3367 }
3368
3369 /**
3370  * aac_srb_callback
3371  * @context: the context set in the fib - here it is scsi cmd
3372  * @fibptr: pointer to the fib
3373  *
3374  * Handles the completion of a scsi command to a non dasd device
3375  */
3376 static void aac_srb_callback(void *context, struct fib * fibptr)
3377 {
3378         struct aac_srb_reply *srbreply;
3379         struct scsi_cmnd *scsicmd;
3380
3381         scsicmd = (struct scsi_cmnd *) context;
3382
3383         if (!aac_valid_context(scsicmd, fibptr))
3384                 return;
3385
3386         BUG_ON(fibptr == NULL);
3387
3388         srbreply = (struct aac_srb_reply *) fib_data(fibptr);
3389
3390         scsicmd->sense_buffer[0] = '\0';  /* Initialize sense valid flag to false */
3391
3392         if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) {
3393                 /* fast response */
3394                 srbreply->srb_status = cpu_to_le32(SRB_STATUS_SUCCESS);
3395                 srbreply->scsi_status = cpu_to_le32(SAM_STAT_GOOD);
3396         } else {
3397                 /*
3398                  *      Calculate resid for sg
3399                  */
3400                 scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
3401                                    - le32_to_cpu(srbreply->data_xfer_length));
3402         }
3403
3404
3405         scsi_dma_unmap(scsicmd);
3406
3407         /* expose physical device if expose_physicald flag is on */
3408         if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01)
3409           && expose_physicals > 0)
3410                 aac_expose_phy_device(scsicmd);
3411
3412         /*
3413          * First check the fib status
3414          */
3415
3416         if (le32_to_cpu(srbreply->status) != ST_OK) {
3417                 int len;
3418
3419                 pr_warn("aac_srb_callback: srb failed, status = %d\n",
3420                                 le32_to_cpu(srbreply->status));
3421                 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
3422                             SCSI_SENSE_BUFFERSIZE);
3423                 scsicmd->result = DID_ERROR << 16 | SAM_STAT_CHECK_CONDITION;
3424                 memcpy(scsicmd->sense_buffer,
3425                                 srbreply->sense_data, len);
3426         }
3427
3428         /*
3429          * Next check the srb status
3430          */
3431         switch ((le32_to_cpu(srbreply->srb_status))&0x3f) {
3432         case SRB_STATUS_ERROR_RECOVERY:
3433         case SRB_STATUS_PENDING:
3434         case SRB_STATUS_SUCCESS:
3435                 scsicmd->result = DID_OK << 16;
3436                 break;
3437         case SRB_STATUS_DATA_OVERRUN:
3438                 switch (scsicmd->cmnd[0]) {
3439                 case  READ_6:
3440                 case  WRITE_6:
3441                 case  READ_10:
3442                 case  WRITE_10:
3443                 case  READ_12:
3444                 case  WRITE_12:
3445                 case  READ_16:
3446                 case  WRITE_16:
3447                         if (le32_to_cpu(srbreply->data_xfer_length)
3448                                                 < scsicmd->underflow)
3449                                 pr_warn("aacraid: SCSI CMD underflow\n");
3450                         else
3451                                 pr_warn("aacraid: SCSI CMD Data Overrun\n");
3452                         scsicmd->result = DID_ERROR << 16;
3453                         break;
3454                 case INQUIRY:
3455                         scsicmd->result = DID_OK << 16;
3456                         break;
3457                 default:
3458                         scsicmd->result = DID_OK << 16;
3459                         break;
3460                 }
3461                 break;
3462         case SRB_STATUS_ABORTED:
3463                 scsicmd->result = DID_ABORT << 16;
3464                 break;
3465         case SRB_STATUS_ABORT_FAILED:
3466                 /*
3467                  * Not sure about this one - but assuming the
3468                  * hba was trying to abort for some reason
3469                  */
3470                 scsicmd->result = DID_ERROR << 16;
3471                 break;
3472         case SRB_STATUS_PARITY_ERROR:
3473                 scsicmd->result = DID_PARITY << 16;
3474                 break;
3475         case SRB_STATUS_NO_DEVICE:
3476         case SRB_STATUS_INVALID_PATH_ID:
3477         case SRB_STATUS_INVALID_TARGET_ID:
3478         case SRB_STATUS_INVALID_LUN:
3479         case SRB_STATUS_SELECTION_TIMEOUT:
3480                 scsicmd->result = DID_NO_CONNECT << 16;
3481                 break;
3482
3483         case SRB_STATUS_COMMAND_TIMEOUT:
3484         case SRB_STATUS_TIMEOUT:
3485                 scsicmd->result = DID_TIME_OUT << 16;
3486                 break;
3487
3488         case SRB_STATUS_BUSY:
3489                 scsicmd->result = DID_BUS_BUSY << 16;
3490                 break;
3491
3492         case SRB_STATUS_BUS_RESET:
3493                 scsicmd->result = DID_RESET << 16;
3494                 break;
3495
3496         case SRB_STATUS_MESSAGE_REJECTED:
3497                 scsicmd->result = DID_ERROR << 16;
3498                 break;
3499         case SRB_STATUS_REQUEST_FLUSHED:
3500         case SRB_STATUS_ERROR:
3501         case SRB_STATUS_INVALID_REQUEST:
3502         case SRB_STATUS_REQUEST_SENSE_FAILED:
3503         case SRB_STATUS_NO_HBA:
3504         case SRB_STATUS_UNEXPECTED_BUS_FREE:
3505         case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
3506         case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
3507         case SRB_STATUS_DELAYED_RETRY:
3508         case SRB_STATUS_BAD_FUNCTION:
3509         case SRB_STATUS_NOT_STARTED:
3510         case SRB_STATUS_NOT_IN_USE:
3511         case SRB_STATUS_FORCE_ABORT:
3512         case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
3513         default:
3514 #ifdef AAC_DETAILED_STATUS_INFO
3515                 pr_info("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x -scsi status 0x%x\n",
3516                         le32_to_cpu(srbreply->srb_status) & 0x3F,
3517                         aac_get_status_string(
3518                                 le32_to_cpu(srbreply->srb_status) & 0x3F),
3519                         scsicmd->cmnd[0],
3520                         le32_to_cpu(srbreply->scsi_status));
3521 #endif
3522                 /*
3523                  * When the CC bit is SET by the host in ATA pass thru CDB,
3524                  *  driver is supposed to return DID_OK
3525                  *
3526                  * When the CC bit is RESET by the host, driver should
3527                  *  return DID_ERROR
3528                  */
3529                 if ((scsicmd->cmnd[0] == ATA_12)
3530                         || (scsicmd->cmnd[0] == ATA_16)) {
3531
3532                         if (scsicmd->cmnd[2] & (0x01 << 5)) {
3533                                 scsicmd->result = DID_OK << 16;
3534                         } else {
3535                                 scsicmd->result = DID_ERROR << 16;
3536                         }
3537                 } else {
3538                         scsicmd->result = DID_ERROR << 16;
3539                 }
3540                 break;
3541         }
3542         if (le32_to_cpu(srbreply->scsi_status)
3543                         == SAM_STAT_CHECK_CONDITION) {
3544                 int len;
3545
3546                 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
3547                 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
3548                             SCSI_SENSE_BUFFERSIZE);
3549 #ifdef AAC_DETAILED_STATUS_INFO
3550                 pr_warn("aac_srb_callback: check condition, status = %d len=%d\n",
3551                                         le32_to_cpu(srbreply->status), len);
3552 #endif
3553                 memcpy(scsicmd->sense_buffer,
3554                                 srbreply->sense_data, len);
3555         }
3556
3557         /*
3558          * OR in the scsi status (already shifted up a bit)
3559          */
3560         scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
3561
3562         aac_fib_complete(fibptr);
3563         aac_scsi_done(scsicmd);
3564 }
3565
3566 static void hba_resp_task_complete(struct aac_dev *dev,
3567                                         struct scsi_cmnd *scsicmd,
3568                                         struct aac_hba_resp *err) {
3569
3570         scsicmd->result = err->status;
3571         /* set residual count */
3572         scsi_set_resid(scsicmd, le32_to_cpu(err->residual_count));
3573
3574         switch (err->status) {
3575         case SAM_STAT_GOOD:
3576                 scsicmd->result |= DID_OK << 16;
3577                 break;
3578         case SAM_STAT_CHECK_CONDITION:
3579         {
3580                 int len;
3581
3582                 len = min_t(u8, err->sense_response_data_len,
3583                         SCSI_SENSE_BUFFERSIZE);
3584                 if (len)
3585                         memcpy(scsicmd->sense_buffer,
3586                                 err->sense_response_buf, len);
3587                 scsicmd->result |= DID_OK << 16;
3588                 break;
3589         }
3590         case SAM_STAT_BUSY:
3591                 scsicmd->result |= DID_BUS_BUSY << 16;
3592                 break;
3593         case SAM_STAT_TASK_ABORTED:
3594                 scsicmd->result |= DID_ABORT << 16;
3595                 break;
3596         case SAM_STAT_RESERVATION_CONFLICT:
3597         case SAM_STAT_TASK_SET_FULL:
3598         default:
3599                 scsicmd->result |= DID_ERROR << 16;
3600                 break;
3601         }
3602 }
3603
3604 static void hba_resp_task_failure(struct aac_dev *dev,
3605                                         struct scsi_cmnd *scsicmd,
3606                                         struct aac_hba_resp *err)
3607 {
3608         switch (err->status) {
3609         case HBA_RESP_STAT_HBAMODE_DISABLED:
3610         {
3611                 u32 bus, cid;
3612
3613                 bus = aac_logical_to_phys(scmd_channel(scsicmd));
3614                 cid = scmd_id(scsicmd);
3615                 if (dev->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
3616                         dev->hba_map[bus][cid].devtype = AAC_DEVTYPE_ARC_RAW;
3617                         dev->hba_map[bus][cid].rmw_nexus = 0xffffffff;
3618                 }
3619                 scsicmd->result = DID_NO_CONNECT << 16;
3620                 break;
3621         }
3622         case HBA_RESP_STAT_IO_ERROR:
3623         case HBA_RESP_STAT_NO_PATH_TO_DEVICE:
3624                 scsicmd->result = DID_OK << 16 | SAM_STAT_BUSY;
3625                 break;
3626         case HBA_RESP_STAT_IO_ABORTED:
3627                 scsicmd->result = DID_ABORT << 16;
3628                 break;
3629         case HBA_RESP_STAT_INVALID_DEVICE:
3630                 scsicmd->result = DID_NO_CONNECT << 16;
3631                 break;
3632         case HBA_RESP_STAT_UNDERRUN:
3633                 /* UNDERRUN is OK */
3634                 scsicmd->result = DID_OK << 16;
3635                 break;
3636         case HBA_RESP_STAT_OVERRUN:
3637         default:
3638                 scsicmd->result = DID_ERROR << 16;
3639                 break;
3640         }
3641 }
3642
3643 /**
3644  * aac_hba_callback
3645  * @context: the context set in the fib - here it is scsi cmd
3646  * @fibptr: pointer to the fib
3647  *
3648  * Handles the completion of a native HBA scsi command
3649  */
3650 void aac_hba_callback(void *context, struct fib *fibptr)
3651 {
3652         struct aac_dev *dev;
3653         struct scsi_cmnd *scsicmd;
3654
3655         struct aac_hba_resp *err =
3656                         &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
3657
3658         scsicmd = (struct scsi_cmnd *) context;
3659
3660         if (!aac_valid_context(scsicmd, fibptr))
3661                 return;
3662
3663         WARN_ON(fibptr == NULL);
3664         dev = fibptr->dev;
3665
3666         if (!(fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA_TMF))
3667                 scsi_dma_unmap(scsicmd);
3668
3669         if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) {
3670                 /* fast response */
3671                 scsicmd->result = DID_OK << 16;
3672                 goto out;
3673         }
3674
3675         switch (err->service_response) {
3676         case HBA_RESP_SVCRES_TASK_COMPLETE:
3677                 hba_resp_task_complete(dev, scsicmd, err);
3678                 break;
3679         case HBA_RESP_SVCRES_FAILURE:
3680                 hba_resp_task_failure(dev, scsicmd, err);
3681                 break;
3682         case HBA_RESP_SVCRES_TMF_REJECTED:
3683                 scsicmd->result = DID_ERROR << 16;
3684                 break;
3685         case HBA_RESP_SVCRES_TMF_LUN_INVALID:
3686                 scsicmd->result = DID_NO_CONNECT << 16;
3687                 break;
3688         case HBA_RESP_SVCRES_TMF_COMPLETE:
3689         case HBA_RESP_SVCRES_TMF_SUCCEEDED:
3690                 scsicmd->result = DID_OK << 16;
3691                 break;
3692         default:
3693                 scsicmd->result = DID_ERROR << 16;
3694                 break;
3695         }
3696
3697 out:
3698         aac_fib_complete(fibptr);
3699
3700         if (fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA_TMF)
3701                 aac_priv(scsicmd)->sent_command = 1;
3702         else
3703                 aac_scsi_done(scsicmd);
3704 }
3705
3706 /**
3707  * aac_send_srb_fib
3708  * @scsicmd: the scsi command block
3709  *
3710  * This routine will form a FIB and fill in the aac_srb from the
3711  * scsicmd passed in.
3712  */
3713 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
3714 {
3715         struct fib* cmd_fibcontext;
3716         struct aac_dev* dev;
3717         int status;
3718
3719         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
3720         if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
3721                         scsicmd->device->lun > 7) {
3722                 scsicmd->result = DID_NO_CONNECT << 16;
3723                 aac_scsi_done(scsicmd);
3724                 return 0;
3725         }
3726
3727         /*
3728          *      Allocate and initialize a Fib then setup a BlockWrite command
3729          */
3730         cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
3731         aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
3732         status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
3733
3734         /*
3735          *      Check that the command queued to the controller
3736          */
3737         if (status == -EINPROGRESS)
3738                 return 0;
3739
3740         printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
3741         aac_fib_complete(cmd_fibcontext);
3742         aac_fib_free(cmd_fibcontext);
3743
3744         return -1;
3745 }
3746
3747 /**
3748  * aac_send_hba_fib
3749  * @scsicmd: the scsi command block
3750  *
3751  * This routine will form a FIB and fill in the aac_hba_cmd_req from the
3752  * scsicmd passed in.
3753  */
3754 static int aac_send_hba_fib(struct scsi_cmnd *scsicmd)
3755 {
3756         struct fib *cmd_fibcontext;
3757         struct aac_dev *dev;
3758         int status;
3759
3760         dev = shost_priv(scsicmd->device->host);
3761         if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
3762                         scsicmd->device->lun > AAC_MAX_LUN - 1) {
3763                 scsicmd->result = DID_NO_CONNECT << 16;
3764                 aac_scsi_done(scsicmd);
3765                 return 0;
3766         }
3767
3768         /*
3769          *      Allocate and initialize a Fib then setup a BlockWrite command
3770          */
3771         cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
3772         if (!cmd_fibcontext)
3773                 return -1;
3774
3775         aac_priv(scsicmd)->owner = AAC_OWNER_FIRMWARE;
3776         status = aac_adapter_hba(cmd_fibcontext, scsicmd);
3777
3778         /*
3779          *      Check that the command queued to the controller
3780          */
3781         if (status == -EINPROGRESS)
3782                 return 0;
3783
3784         pr_warn("aac_hba_cmd_req: aac_fib_send failed with status: %d\n",
3785                 status);
3786         aac_fib_complete(cmd_fibcontext);
3787         aac_fib_free(cmd_fibcontext);
3788
3789         return -1;
3790 }
3791
3792
3793 static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *psg)
3794 {
3795         unsigned long byte_count = 0;
3796         int nseg;
3797         struct scatterlist *sg;
3798         int i;
3799
3800         // Get rid of old data
3801         psg->count = 0;
3802         psg->sg[0].addr = 0;
3803         psg->sg[0].count = 0;
3804
3805         nseg = scsi_dma_map(scsicmd);
3806         if (nseg <= 0)
3807                 return nseg;
3808
3809         psg->count = cpu_to_le32(nseg);
3810
3811         scsi_for_each_sg(scsicmd, sg, nseg, i) {
3812                 psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
3813                 psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
3814                 byte_count += sg_dma_len(sg);
3815         }
3816         /* hba wants the size to be exact */
3817         if (byte_count > scsi_bufflen(scsicmd)) {
3818                 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3819                         (byte_count - scsi_bufflen(scsicmd));
3820                 psg->sg[i-1].count = cpu_to_le32(temp);
3821                 byte_count = scsi_bufflen(scsicmd);
3822         }
3823         /* Check for command underflow */
3824         if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
3825                 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3826                        byte_count, scsicmd->underflow);
3827         }
3828
3829         return byte_count;
3830 }
3831
3832
3833 static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg)
3834 {
3835         unsigned long byte_count = 0;
3836         u64 addr;
3837         int nseg;
3838         struct scatterlist *sg;
3839         int i;
3840
3841         // Get rid of old data
3842         psg->count = 0;
3843         psg->sg[0].addr[0] = 0;
3844         psg->sg[0].addr[1] = 0;
3845         psg->sg[0].count = 0;
3846
3847         nseg = scsi_dma_map(scsicmd);
3848         if (nseg <= 0)
3849                 return nseg;
3850
3851         scsi_for_each_sg(scsicmd, sg, nseg, i) {
3852                 int count = sg_dma_len(sg);
3853                 addr = sg_dma_address(sg);
3854                 psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
3855                 psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
3856                 psg->sg[i].count = cpu_to_le32(count);
3857                 byte_count += count;
3858         }
3859         psg->count = cpu_to_le32(nseg);
3860         /* hba wants the size to be exact */
3861         if (byte_count > scsi_bufflen(scsicmd)) {
3862                 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3863                         (byte_count - scsi_bufflen(scsicmd));
3864                 psg->sg[i-1].count = cpu_to_le32(temp);
3865                 byte_count = scsi_bufflen(scsicmd);
3866         }
3867         /* Check for command underflow */
3868         if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
3869                 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3870                        byte_count, scsicmd->underflow);
3871         }
3872
3873         return byte_count;
3874 }
3875
3876 static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg)
3877 {
3878         unsigned long byte_count = 0;
3879         int nseg;
3880         struct scatterlist *sg;
3881         int i;
3882
3883         // Get rid of old data
3884         psg->count = 0;
3885         psg->sg[0].next = 0;
3886         psg->sg[0].prev = 0;
3887         psg->sg[0].addr[0] = 0;
3888         psg->sg[0].addr[1] = 0;
3889         psg->sg[0].count = 0;
3890         psg->sg[0].flags = 0;
3891
3892         nseg = scsi_dma_map(scsicmd);
3893         if (nseg <= 0)
3894                 return nseg;
3895
3896         scsi_for_each_sg(scsicmd, sg, nseg, i) {
3897                 int count = sg_dma_len(sg);
3898                 u64 addr = sg_dma_address(sg);
3899                 psg->sg[i].next = 0;
3900                 psg->sg[i].prev = 0;
3901                 psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
3902                 psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
3903                 psg->sg[i].count = cpu_to_le32(count);
3904                 psg->sg[i].flags = 0;
3905                 byte_count += count;
3906         }
3907         psg->count = cpu_to_le32(nseg);
3908         /* hba wants the size to be exact */
3909         if (byte_count > scsi_bufflen(scsicmd)) {
3910                 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3911                         (byte_count - scsi_bufflen(scsicmd));
3912                 psg->sg[i-1].count = cpu_to_le32(temp);
3913                 byte_count = scsi_bufflen(scsicmd);
3914         }
3915         /* Check for command underflow */
3916         if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
3917                 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3918                        byte_count, scsicmd->underflow);
3919         }
3920
3921         return byte_count;
3922 }
3923
3924 static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
3925                                 struct aac_raw_io2 *rio2, int sg_max)
3926 {
3927         unsigned long byte_count = 0;
3928         int nseg;
3929         struct scatterlist *sg;
3930         int i, conformable = 0;
3931         u32 min_size = PAGE_SIZE, cur_size;
3932
3933         nseg = scsi_dma_map(scsicmd);
3934         if (nseg <= 0)
3935                 return nseg;
3936
3937         scsi_for_each_sg(scsicmd, sg, nseg, i) {
3938                 int count = sg_dma_len(sg);
3939                 u64 addr = sg_dma_address(sg);
3940
3941                 BUG_ON(i >= sg_max);
3942                 rio2->sge[i].addrHigh = cpu_to_le32((u32)(addr>>32));
3943                 rio2->sge[i].addrLow = cpu_to_le32((u32)(addr & 0xffffffff));
3944                 cur_size = cpu_to_le32(count);
3945                 rio2->sge[i].length = cur_size;
3946                 rio2->sge[i].flags = 0;
3947                 if (i == 0) {
3948                         conformable = 1;
3949                         rio2->sgeFirstSize = cur_size;
3950                 } else if (i == 1) {
3951                         rio2->sgeNominalSize = cur_size;
3952                         min_size = cur_size;
3953                 } else if ((i+1) < nseg && cur_size != rio2->sgeNominalSize) {
3954                         conformable = 0;
3955                         if (cur_size < min_size)
3956                                 min_size = cur_size;
3957                 }
3958                 byte_count += count;
3959         }
3960
3961         /* hba wants the size to be exact */
3962         if (byte_count > scsi_bufflen(scsicmd)) {
3963                 u32 temp = le32_to_cpu(rio2->sge[i-1].length) -
3964                         (byte_count - scsi_bufflen(scsicmd));
3965                 rio2->sge[i-1].length = cpu_to_le32(temp);
3966                 byte_count = scsi_bufflen(scsicmd);
3967         }
3968
3969         rio2->sgeCnt = cpu_to_le32(nseg);
3970         rio2->flags |= cpu_to_le16(RIO2_SG_FORMAT_IEEE1212);
3971         /* not conformable: evaluate required sg elements */
3972         if (!conformable) {
3973                 int j, nseg_new = nseg, err_found;
3974                 for (i = min_size / PAGE_SIZE; i >= 1; --i) {
3975                         err_found = 0;
3976                         nseg_new = 2;
3977                         for (j = 1; j < nseg - 1; ++j) {
3978                                 if (rio2->sge[j].length % (i*PAGE_SIZE)) {
3979                                         err_found = 1;
3980                                         break;
3981                                 }
3982                                 nseg_new += (rio2->sge[j].length / (i*PAGE_SIZE));
3983                         }
3984                         if (!err_found)
3985                                 break;
3986                 }
3987                 if (i > 0 && nseg_new <= sg_max) {
3988                         int ret = aac_convert_sgraw2(rio2, i, nseg, nseg_new);
3989
3990                         if (ret < 0)
3991                                 return ret;
3992                 }
3993         } else
3994                 rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
3995
3996         /* Check for command underflow */
3997         if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
3998                 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3999                        byte_count, scsicmd->underflow);
4000         }
4001
4002         return byte_count;
4003 }
4004
4005 static int aac_convert_sgraw2(struct aac_raw_io2 *rio2, int pages, int nseg, int nseg_new)
4006 {
4007         struct sge_ieee1212 *sge;
4008         int i, j, pos;
4009         u32 addr_low;
4010
4011         if (aac_convert_sgl == 0)
4012                 return 0;
4013
4014         sge = kmalloc_array(nseg_new, sizeof(*sge), GFP_ATOMIC);
4015         if (sge == NULL)
4016                 return -ENOMEM;
4017
4018         for (i = 1, pos = 1; i < nseg-1; ++i) {
4019                 for (j = 0; j < rio2->sge[i].length / (pages * PAGE_SIZE); ++j) {
4020                         addr_low = rio2->sge[i].addrLow + j * pages * PAGE_SIZE;
4021                         sge[pos].addrLow = addr_low;
4022                         sge[pos].addrHigh = rio2->sge[i].addrHigh;
4023                         if (addr_low < rio2->sge[i].addrLow)
4024                                 sge[pos].addrHigh++;
4025                         sge[pos].length = pages * PAGE_SIZE;
4026                         sge[pos].flags = 0;
4027                         pos++;
4028                 }
4029         }
4030         sge[pos] = rio2->sge[nseg-1];
4031         memcpy(&rio2->sge[1], &sge[1], (nseg_new-1)*sizeof(struct sge_ieee1212));
4032
4033         kfree(sge);
4034         rio2->sgeCnt = cpu_to_le32(nseg_new);
4035         rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
4036         rio2->sgeNominalSize = pages * PAGE_SIZE;
4037         return 0;
4038 }
4039
4040 static long aac_build_sghba(struct scsi_cmnd *scsicmd,
4041                         struct aac_hba_cmd_req *hbacmd,
4042                         int sg_max,
4043                         u64 sg_address)
4044 {
4045         unsigned long byte_count = 0;
4046         int nseg;
4047         struct scatterlist *sg;
4048         int i;
4049         u32 cur_size;
4050         struct aac_hba_sgl *sge;
4051
4052         nseg = scsi_dma_map(scsicmd);
4053         if (nseg <= 0) {
4054                 byte_count = nseg;
4055                 goto out;
4056         }
4057
4058         if (nseg > HBA_MAX_SG_EMBEDDED)
4059                 sge = &hbacmd->sge[2];
4060         else
4061                 sge = &hbacmd->sge[0];
4062
4063         scsi_for_each_sg(scsicmd, sg, nseg, i) {
4064                 int count = sg_dma_len(sg);
4065                 u64 addr = sg_dma_address(sg);
4066
4067                 WARN_ON(i >= sg_max);
4068                 sge->addr_hi = cpu_to_le32((u32)(addr>>32));
4069                 sge->addr_lo = cpu_to_le32((u32)(addr & 0xffffffff));
4070                 cur_size = cpu_to_le32(count);
4071                 sge->len = cur_size;
4072                 sge->flags = 0;
4073                 byte_count += count;
4074                 sge++;
4075         }
4076
4077         sge--;
4078         /* hba wants the size to be exact */
4079         if (byte_count > scsi_bufflen(scsicmd)) {
4080                 u32 temp;
4081
4082                 temp = le32_to_cpu(sge->len) - byte_count
4083                                                 - scsi_bufflen(scsicmd);
4084                 sge->len = cpu_to_le32(temp);
4085                 byte_count = scsi_bufflen(scsicmd);
4086         }
4087
4088         if (nseg <= HBA_MAX_SG_EMBEDDED) {
4089                 hbacmd->emb_data_desc_count = cpu_to_le32(nseg);
4090                 sge->flags = cpu_to_le32(0x40000000);
4091         } else {
4092                 /* not embedded */
4093                 hbacmd->sge[0].flags = cpu_to_le32(0x80000000);
4094                 hbacmd->emb_data_desc_count = (u8)cpu_to_le32(1);
4095                 hbacmd->sge[0].addr_hi = (u32)cpu_to_le32(sg_address >> 32);
4096                 hbacmd->sge[0].addr_lo =
4097                         cpu_to_le32((u32)(sg_address & 0xffffffff));
4098         }
4099
4100         /* Check for command underflow */
4101         if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
4102                 pr_warn("aacraid: cmd len %08lX cmd underflow %08X\n",
4103                                 byte_count, scsicmd->underflow);
4104         }
4105 out:
4106         return byte_count;
4107 }
4108
4109 #ifdef AAC_DETAILED_STATUS_INFO
4110
4111 struct aac_srb_status_info {
4112         u32     status;
4113         char    *str;
4114 };
4115
4116
4117 static struct aac_srb_status_info srb_status_info[] = {
4118         { SRB_STATUS_PENDING,           "Pending Status"},
4119         { SRB_STATUS_SUCCESS,           "Success"},
4120         { SRB_STATUS_ABORTED,           "Aborted Command"},
4121         { SRB_STATUS_ABORT_FAILED,      "Abort Failed"},
4122         { SRB_STATUS_ERROR,             "Error Event"},
4123         { SRB_STATUS_BUSY,              "Device Busy"},
4124         { SRB_STATUS_INVALID_REQUEST,   "Invalid Request"},
4125         { SRB_STATUS_INVALID_PATH_ID,   "Invalid Path ID"},
4126         { SRB_STATUS_NO_DEVICE,         "No Device"},
4127         { SRB_STATUS_TIMEOUT,           "Timeout"},
4128         { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
4129         { SRB_STATUS_COMMAND_TIMEOUT,   "Command Timeout"},
4130         { SRB_STATUS_MESSAGE_REJECTED,  "Message Rejected"},
4131         { SRB_STATUS_BUS_RESET,         "Bus Reset"},
4132         { SRB_STATUS_PARITY_ERROR,      "Parity Error"},
4133         { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
4134         { SRB_STATUS_NO_HBA,            "No HBA"},
4135         { SRB_STATUS_DATA_OVERRUN,      "Data Overrun/Data Underrun"},
4136         { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
4137         { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
4138         { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
4139         { SRB_STATUS_REQUEST_FLUSHED,   "Request Flushed"},
4140         { SRB_STATUS_DELAYED_RETRY,     "Delayed Retry"},
4141         { SRB_STATUS_INVALID_LUN,       "Invalid LUN"},
4142         { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
4143         { SRB_STATUS_BAD_FUNCTION,      "Bad Function"},
4144         { SRB_STATUS_ERROR_RECOVERY,    "Error Recovery"},
4145         { SRB_STATUS_NOT_STARTED,       "Not Started"},
4146         { SRB_STATUS_NOT_IN_USE,        "Not In Use"},
4147         { SRB_STATUS_FORCE_ABORT,       "Force Abort"},
4148         { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
4149         { 0xff,                         "Unknown Error"}
4150 };
4151
4152 char *aac_get_status_string(u32 status)
4153 {
4154         int i;
4155
4156         for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
4157                 if (srb_status_info[i].status == status)
4158                         return srb_status_info[i].str;
4159
4160         return "Bad Status Code";
4161 }
4162
4163 #endif