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