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. ([email protected])
  11  *               2016-2017 Microsemi Corp. ([email protected])
  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 static int aac_convert_sgl = 1; /* convert non-conformable s/g list - enabled */
 246
 247 module_param(aac_sync_mode, int, S_IRUGO|S_IWUSR);
 248 MODULE_PARM_DESC(aac_sync_mode, "Force sync. transfer mode"
 249         " 0=off, 1=on");
 250 module_param(aac_convert_sgl, int, S_IRUGO|S_IWUSR);
 251 MODULE_PARM_DESC(aac_convert_sgl, "Convert non-conformable s/g list"
 252         " 0=off, 1=on");
 253 module_param(nondasd, int, S_IRUGO|S_IWUSR);
 254 MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices."
 255         " 0=off, 1=on");
 256 module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR);
 257 MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n"
 258         "\tbit 0 - Disable FUA in WRITE SCSI commands\n"
 259         "\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n"
 260         "\tbit 2 - Disable only if Battery is protecting Cache");
 261 module_param(dacmode, int, S_IRUGO|S_IWUSR);
 262 MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC."
 263         " 0=off, 1=on");
 264 module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR);
 265 MODULE_PARM_DESC(commit, "Control whether a COMMIT_CONFIG is issued to the"
 266         " adapter for foreign arrays.\n"
 267         "This is typically needed in systems that do not have a BIOS."
 268         " 0=off, 1=on");
 269 module_param_named(msi, aac_msi, int, S_IRUGO|S_IWUSR);
 270 MODULE_PARM_DESC(msi, "IRQ handling."
 271         " 0=PIC(default), 1=MSI, 2=MSI-X)");
 272 module_param(startup_timeout, int, S_IRUGO|S_IWUSR);
 273 MODULE_PARM_DESC(startup_timeout, "The duration of time in seconds to wait for"
 274         " adapter to have 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 static int acbsize = -1;
 294 module_param(acbsize, int, S_IRUGO|S_IWUSR);
 295 MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB)"
 296         " size. Valid values are 512, 2048, 4096 and 8192. Default is to use"
 297         " suggestion from Firmware.");
 298
 299 int update_interval = 30 * 60;
 300 module_param(update_interval, int, S_IRUGO|S_IWUSR);
 301 MODULE_PARM_DESC(update_interval, "Interval in seconds between time sync"
 302         " updates issued to adapter.");
 303
 304 int check_interval = 60;
 305 module_param(check_interval, int, S_IRUGO|S_IWUSR);
 306 MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
 307         " checks.");
 308
 309 int aac_check_reset = 1;
 310 module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
 311 MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the"
 312         " adapter. a value of -1 forces the reset to adapters programmed to"
 313         " ignore it.");
 314
 315 int expose_physicals = -1;
 316 module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
 317 MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays."
 318         " -1=protect 0=off, 1=on");
 319
 320 int aac_reset_devices;
 321 module_param_named(reset_devices, aac_reset_devices, int, S_IRUGO|S_IWUSR);
 322 MODULE_PARM_DESC(reset_devices, "Force an adapter reset at initialization.");
 323
 324 static int aac_wwn = 1;
 325 module_param_named(wwn, aac_wwn, int, S_IRUGO|S_IWUSR);
 326 MODULE_PARM_DESC(wwn, "Select a WWN type for the arrays:\n"
 327         "\t0 - Disable\n"
 328         "\t1 - Array Meta Data Signature (default)\n"
 329         "\t2 - Adapter Serial Number");
 330
 331
 332 static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
 333                 struct fib *fibptr) {
 334         struct scsi_device *device;
 335
 336         if (unlikely(!scsicmd || !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 | 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_callback1   -       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  *      inqstrcpy       -       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 | 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 | SAM_STAT_CHECK_CONDITION;
1195                 set_sense(&dev->fsa_dev[cid].sense_data,
1196                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
1197                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
1198                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
1199                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
1200                              SCSI_SENSE_BUFFERSIZE));
1201                 cmd->scsi_done(cmd);
1202                 return 1;
1203         }
1204         return 0;
1205 }
1206
1207 static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
1208 {
1209         return 0;
1210 }
1211
1212 static void io_callback(void *context, struct fib * fibptr);
1213
1214 static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1215 {
1216         struct aac_dev *dev = fib->dev;
1217         u16 fibsize, command;
1218         long ret;
1219
1220         aac_fib_init(fib);
1221         if ((dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 ||
1222                 dev->comm_interface == AAC_COMM_MESSAGE_TYPE3) &&
1223                 !dev->sync_mode) {
1224                 struct aac_raw_io2 *readcmd2;
1225                 readcmd2 = (struct aac_raw_io2 *) fib_data(fib);
1226                 memset(readcmd2, 0, sizeof(struct aac_raw_io2));
1227                 readcmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
1228                 readcmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1229                 readcmd2->byteCount = cpu_to_le32(count *
1230                         dev->fsa_dev[scmd_id(cmd)].block_size);
1231                 readcmd2->cid = cpu_to_le16(scmd_id(cmd));
1232                 readcmd2->flags = cpu_to_le16(RIO2_IO_TYPE_READ);
1233                 ret = aac_build_sgraw2(cmd, readcmd2,
1234                                 dev->scsi_host_ptr->sg_tablesize);
1235                 if (ret < 0)
1236                         return ret;
1237                 command = ContainerRawIo2;
1238                 fibsize = struct_size(readcmd2, sge,
1239                                      le32_to_cpu(readcmd2->sgeCnt));
1240         } else {
1241                 struct aac_raw_io *readcmd;
1242                 readcmd = (struct aac_raw_io *) fib_data(fib);
1243                 readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1244                 readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1245                 readcmd->count = cpu_to_le32(count *
1246                         dev->fsa_dev[scmd_id(cmd)].block_size);
1247                 readcmd->cid = cpu_to_le16(scmd_id(cmd));
1248                 readcmd->flags = cpu_to_le16(RIO_TYPE_READ);
1249                 readcmd->bpTotal = 0;
1250                 readcmd->bpComplete = 0;
1251                 ret = aac_build_sgraw(cmd, &readcmd->sg);
1252                 if (ret < 0)
1253                         return ret;
1254                 command = ContainerRawIo;
1255                 fibsize = sizeof(struct aac_raw_io) +
1256                         ((le32_to_cpu(readcmd->sg.count)-1) * sizeof(struct sgentryraw));
1257         }
1258
1259         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1260         /*
1261          *      Now send the Fib to the adapter
1262          */
1263         return aac_fib_send(command,
1264                           fib,
1265                           fibsize,
1266                           FsaNormal,
1267                           0, 1,
1268                           (fib_callback) io_callback,
1269                           (void *) cmd);
1270 }
1271
1272 static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1273 {
1274         u16 fibsize;
1275         struct aac_read64 *readcmd;
1276         long ret;
1277
1278         aac_fib_init(fib);
1279         readcmd = (struct aac_read64 *) fib_data(fib);
1280         readcmd->command = cpu_to_le32(VM_CtHostRead64);
1281         readcmd->cid = cpu_to_le16(scmd_id(cmd));
1282         readcmd->sector_count = cpu_to_le16(count);
1283         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1284         readcmd->pad   = 0;
1285         readcmd->flags = 0;
1286
1287         ret = aac_build_sg64(cmd, &readcmd->sg);
1288         if (ret < 0)
1289                 return ret;
1290         fibsize = sizeof(struct aac_read64) +
1291                 ((le32_to_cpu(readcmd->sg.count) - 1) *
1292                  sizeof (struct sgentry64));
1293         BUG_ON (fibsize > (fib->dev->max_fib_size -
1294                                 sizeof(struct aac_fibhdr)));
1295         /*
1296          *      Now send the Fib to the adapter
1297          */
1298         return aac_fib_send(ContainerCommand64,
1299                           fib,
1300                           fibsize,
1301                           FsaNormal,
1302                           0, 1,
1303                           (fib_callback) io_callback,
1304                           (void *) cmd);
1305 }
1306
1307 static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
1308 {
1309         u16 fibsize;
1310         struct aac_read *readcmd;
1311         struct aac_dev *dev = fib->dev;
1312         long ret;
1313
1314         aac_fib_init(fib);
1315         readcmd = (struct aac_read *) fib_data(fib);
1316         readcmd->command = cpu_to_le32(VM_CtBlockRead);
1317         readcmd->cid = cpu_to_le32(scmd_id(cmd));
1318         readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1319         readcmd->count = cpu_to_le32(count *
1320                 dev->fsa_dev[scmd_id(cmd)].block_size);
1321
1322         ret = aac_build_sg(cmd, &readcmd->sg);
1323         if (ret < 0)
1324                 return ret;
1325         fibsize = sizeof(struct aac_read) +
1326                         ((le32_to_cpu(readcmd->sg.count) - 1) *
1327                          sizeof (struct sgentry));
1328         BUG_ON (fibsize > (fib->dev->max_fib_size -
1329                                 sizeof(struct aac_fibhdr)));
1330         /*
1331          *      Now send the Fib to the adapter
1332          */
1333         return aac_fib_send(ContainerCommand,
1334                           fib,
1335                           fibsize,
1336                           FsaNormal,
1337                           0, 1,
1338                           (fib_callback) io_callback,
1339                           (void *) cmd);
1340 }
1341
1342 static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1343 {
1344         struct aac_dev *dev = fib->dev;
1345         u16 fibsize, command;
1346         long ret;
1347
1348         aac_fib_init(fib);
1349         if ((dev->comm_interface == AAC_COMM_MESSAGE_TYPE2 ||
1350                 dev->comm_interface == AAC_COMM_MESSAGE_TYPE3) &&
1351                 !dev->sync_mode) {
1352                 struct aac_raw_io2 *writecmd2;
1353                 writecmd2 = (struct aac_raw_io2 *) fib_data(fib);
1354                 memset(writecmd2, 0, sizeof(struct aac_raw_io2));
1355                 writecmd2->blockLow = cpu_to_le32((u32)(lba&0xffffffff));
1356                 writecmd2->blockHigh = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1357                 writecmd2->byteCount = cpu_to_le32(count *
1358                         dev->fsa_dev[scmd_id(cmd)].block_size);
1359                 writecmd2->cid = cpu_to_le16(scmd_id(cmd));
1360                 writecmd2->flags = (fua && ((aac_cache & 5) != 1) &&
1361                                                    (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1362                         cpu_to_le16(RIO2_IO_TYPE_WRITE|RIO2_IO_SUREWRITE) :
1363                         cpu_to_le16(RIO2_IO_TYPE_WRITE);
1364                 ret = aac_build_sgraw2(cmd, writecmd2,
1365                                 dev->scsi_host_ptr->sg_tablesize);
1366                 if (ret < 0)
1367                         return ret;
1368                 command = ContainerRawIo2;
1369                 fibsize = struct_size(writecmd2, sge,
1370                                       le32_to_cpu(writecmd2->sgeCnt));
1371         } else {
1372                 struct aac_raw_io *writecmd;
1373                 writecmd = (struct aac_raw_io *) fib_data(fib);
1374                 writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
1375                 writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
1376                 writecmd->count = cpu_to_le32(count *
1377                         dev->fsa_dev[scmd_id(cmd)].block_size);
1378                 writecmd->cid = cpu_to_le16(scmd_id(cmd));
1379                 writecmd->flags = (fua && ((aac_cache & 5) != 1) &&
1380                                                    (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ?
1381                         cpu_to_le16(RIO_TYPE_WRITE|RIO_SUREWRITE) :
1382                         cpu_to_le16(RIO_TYPE_WRITE);
1383                 writecmd->bpTotal = 0;
1384                 writecmd->bpComplete = 0;
1385                 ret = aac_build_sgraw(cmd, &writecmd->sg);
1386                 if (ret < 0)
1387                         return ret;
1388                 command = ContainerRawIo;
1389                 fibsize = sizeof(struct aac_raw_io) +
1390                         ((le32_to_cpu(writecmd->sg.count)-1) * sizeof (struct sgentryraw));
1391         }
1392
1393         BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
1394         /*
1395          *      Now send the Fib to the adapter
1396          */
1397         return aac_fib_send(command,
1398                           fib,
1399                           fibsize,
1400                           FsaNormal,
1401                           0, 1,
1402                           (fib_callback) io_callback,
1403                           (void *) cmd);
1404 }
1405
1406 static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1407 {
1408         u16 fibsize;
1409         struct aac_write64 *writecmd;
1410         long ret;
1411
1412         aac_fib_init(fib);
1413         writecmd = (struct aac_write64 *) fib_data(fib);
1414         writecmd->command = cpu_to_le32(VM_CtHostWrite64);
1415         writecmd->cid = cpu_to_le16(scmd_id(cmd));
1416         writecmd->sector_count = cpu_to_le16(count);
1417         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1418         writecmd->pad   = 0;
1419         writecmd->flags = 0;
1420
1421         ret = aac_build_sg64(cmd, &writecmd->sg);
1422         if (ret < 0)
1423                 return ret;
1424         fibsize = sizeof(struct aac_write64) +
1425                 ((le32_to_cpu(writecmd->sg.count) - 1) *
1426                  sizeof (struct sgentry64));
1427         BUG_ON (fibsize > (fib->dev->max_fib_size -
1428                                 sizeof(struct aac_fibhdr)));
1429         /*
1430          *      Now send the Fib to the adapter
1431          */
1432         return aac_fib_send(ContainerCommand64,
1433                           fib,
1434                           fibsize,
1435                           FsaNormal,
1436                           0, 1,
1437                           (fib_callback) io_callback,
1438                           (void *) cmd);
1439 }
1440
1441 static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count, int fua)
1442 {
1443         u16 fibsize;
1444         struct aac_write *writecmd;
1445         struct aac_dev *dev = fib->dev;
1446         long ret;
1447
1448         aac_fib_init(fib);
1449         writecmd = (struct aac_write *) fib_data(fib);
1450         writecmd->command = cpu_to_le32(VM_CtBlockWrite);
1451         writecmd->cid = cpu_to_le32(scmd_id(cmd));
1452         writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
1453         writecmd->count = cpu_to_le32(count *
1454                 dev->fsa_dev[scmd_id(cmd)].block_size);
1455         writecmd->sg.count = cpu_to_le32(1);
1456         /* ->stable is not used - it did mean which type of write */
1457
1458         ret = aac_build_sg(cmd, &writecmd->sg);
1459         if (ret < 0)
1460                 return ret;
1461         fibsize = sizeof(struct aac_write) +
1462                 ((le32_to_cpu(writecmd->sg.count) - 1) *
1463                  sizeof (struct sgentry));
1464         BUG_ON (fibsize > (fib->dev->max_fib_size -
1465                                 sizeof(struct aac_fibhdr)));
1466         /*
1467          *      Now send the Fib to the adapter
1468          */
1469         return aac_fib_send(ContainerCommand,
1470                           fib,
1471                           fibsize,
1472                           FsaNormal,
1473                           0, 1,
1474                           (fib_callback) io_callback,
1475                           (void *) cmd);
1476 }
1477
1478 static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
1479 {
1480         struct aac_srb * srbcmd;
1481         u32 flag;
1482         u32 timeout;
1483         struct aac_dev *dev = fib->dev;
1484
1485         aac_fib_init(fib);
1486         switch(cmd->sc_data_direction){
1487         case DMA_TO_DEVICE:
1488                 flag = SRB_DataOut;
1489                 break;
1490         case DMA_BIDIRECTIONAL:
1491                 flag = SRB_DataIn | SRB_DataOut;
1492                 break;
1493         case DMA_FROM_DEVICE:
1494                 flag = SRB_DataIn;
1495                 break;
1496         case DMA_NONE:
1497         default:        /* shuts up some versions of gcc */
1498                 flag = SRB_NoDataXfer;
1499                 break;
1500         }
1501
1502         srbcmd = (struct aac_srb*) fib_data(fib);
1503         srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
1504         srbcmd->channel  = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
1505         srbcmd->id       = cpu_to_le32(scmd_id(cmd));
1506         srbcmd->lun      = cpu_to_le32(cmd->device->lun);
1507         srbcmd->flags    = cpu_to_le32(flag);
1508         timeout = cmd->request->timeout/HZ;
1509         if (timeout == 0)
1510                 timeout = (dev->sa_firmware ? AAC_SA_TIMEOUT : AAC_ARC_TIMEOUT);
1511         srbcmd->timeout  = cpu_to_le32(timeout);  // timeout in seconds
1512         srbcmd->retry_limit = 0; /* Obsolete parameter */
1513         srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
1514         return srbcmd;
1515 }
1516
1517 static struct aac_hba_cmd_req *aac_construct_hbacmd(struct fib *fib,
1518                                                         struct scsi_cmnd *cmd)
1519 {
1520         struct aac_hba_cmd_req *hbacmd;
1521         struct aac_dev *dev;
1522         int bus, target;
1523         u64 address;
1524
1525         dev = (struct aac_dev *)cmd->device->host->hostdata;
1526
1527         hbacmd = (struct aac_hba_cmd_req *)fib->hw_fib_va;
1528         memset(hbacmd, 0, 96);  /* sizeof(*hbacmd) is not necessary */
1529         /* iu_type is a parameter of aac_hba_send */
1530         switch (cmd->sc_data_direction) {
1531         case DMA_TO_DEVICE:
1532                 hbacmd->byte1 = 2;
1533                 break;
1534         case DMA_FROM_DEVICE:
1535         case DMA_BIDIRECTIONAL:
1536                 hbacmd->byte1 = 1;
1537                 break;
1538         case DMA_NONE:
1539         default:
1540                 break;
1541         }
1542         hbacmd->lun[1] = cpu_to_le32(cmd->device->lun);
1543
1544         bus = aac_logical_to_phys(scmd_channel(cmd));
1545         target = scmd_id(cmd);
1546         hbacmd->it_nexus = dev->hba_map[bus][target].rmw_nexus;
1547
1548         /* we fill in reply_qid later in aac_src_deliver_message */
1549         /* we fill in iu_type, request_id later in aac_hba_send */
1550         /* we fill in emb_data_desc_count later in aac_build_sghba */
1551
1552         memcpy(hbacmd->cdb, cmd->cmnd, cmd->cmd_len);
1553         hbacmd->data_length = cpu_to_le32(scsi_bufflen(cmd));
1554
1555         address = (u64)fib->hw_error_pa;
1556         hbacmd->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
1557         hbacmd->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
1558         hbacmd->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
1559
1560         return hbacmd;
1561 }
1562
1563 static void aac_srb_callback(void *context, struct fib * fibptr);
1564
1565 static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
1566 {
1567         u16 fibsize;
1568         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1569         long ret;
1570
1571         ret = aac_build_sg64(cmd, (struct sgmap64 *) &srbcmd->sg);
1572         if (ret < 0)
1573                 return ret;
1574         srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1575
1576         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1577         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1578         /*
1579          *      Build Scatter/Gather list
1580          */
1581         fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
1582                 ((le32_to_cpu(srbcmd->sg.count) & 0xff) *
1583                  sizeof (struct sgentry64));
1584         BUG_ON (fibsize > (fib->dev->max_fib_size -
1585                                 sizeof(struct aac_fibhdr)));
1586
1587         /*
1588          *      Now send the Fib to the adapter
1589          */
1590         return aac_fib_send(ScsiPortCommand64, fib,
1591                                 fibsize, FsaNormal, 0, 1,
1592                                   (fib_callback) aac_srb_callback,
1593                                   (void *) cmd);
1594 }
1595
1596 static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
1597 {
1598         u16 fibsize;
1599         struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
1600         long ret;
1601
1602         ret = aac_build_sg(cmd, (struct sgmap *)&srbcmd->sg);
1603         if (ret < 0)
1604                 return ret;
1605         srbcmd->count = cpu_to_le32(scsi_bufflen(cmd));
1606
1607         memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
1608         memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
1609         /*
1610          *      Build Scatter/Gather list
1611          */
1612         fibsize = sizeof (struct aac_srb) +
1613                 (((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
1614                  sizeof (struct sgentry));
1615         BUG_ON (fibsize > (fib->dev->max_fib_size -
1616                                 sizeof(struct aac_fibhdr)));
1617
1618         /*
1619          *      Now send the Fib to the adapter
1620          */
1621         return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
1622                                   (fib_callback) aac_srb_callback, (void *) cmd);
1623 }
1624
1625 static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd)
1626 {
1627         if ((sizeof(dma_addr_t) > 4) && fib->dev->needs_dac &&
1628             (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64))
1629                 return FAILED;
1630         return aac_scsi_32(fib, cmd);
1631 }
1632
1633 static int aac_adapter_hba(struct fib *fib, struct scsi_cmnd *cmd)
1634 {
1635         struct aac_hba_cmd_req *hbacmd = aac_construct_hbacmd(fib, cmd);
1636         struct aac_dev *dev;
1637         long ret;
1638
1639         dev = (struct aac_dev *)cmd->device->host->hostdata;
1640
1641         ret = aac_build_sghba(cmd, hbacmd,
1642                 dev->scsi_host_ptr->sg_tablesize, (u64)fib->hw_sgl_pa);
1643         if (ret < 0)
1644                 return ret;
1645
1646         /*
1647          *      Now send the HBA command to the adapter
1648          */
1649         fib->hbacmd_size = 64 + le32_to_cpu(hbacmd->emb_data_desc_count) *
1650                 sizeof(struct aac_hba_sgl);
1651
1652         return aac_hba_send(HBA_IU_TYPE_SCSI_CMD_REQ, fib,
1653                                   (fib_callback) aac_hba_callback,
1654                                   (void *) cmd);
1655 }
1656
1657 static int aac_send_safw_bmic_cmd(struct aac_dev *dev,
1658         struct aac_srb_unit *srbu, void *xfer_buf, int xfer_len)
1659 {
1660         struct fib      *fibptr;
1661         dma_addr_t      addr;
1662         int             rcode;
1663         int             fibsize;
1664         struct aac_srb  *srb;
1665         struct aac_srb_reply *srb_reply;
1666         struct sgmap64  *sg64;
1667         u32 vbus;
1668         u32 vid;
1669
1670         if (!dev->sa_firmware)
1671                 return 0;
1672
1673         /* allocate FIB */
1674         fibptr = aac_fib_alloc(dev);
1675         if (!fibptr)
1676                 return -ENOMEM;
1677
1678         aac_fib_init(fibptr);
1679         fibptr->hw_fib_va->header.XferState &=
1680                 ~cpu_to_le32(FastResponseCapable);
1681
1682         fibsize  = sizeof(struct aac_srb) - sizeof(struct sgentry) +
1683                                                 sizeof(struct sgentry64);
1684
1685         /* allocate DMA buffer for response */
1686         addr = dma_map_single(&dev->pdev->dev, xfer_buf, xfer_len,
1687                                                         DMA_BIDIRECTIONAL);
1688         if (dma_mapping_error(&dev->pdev->dev, addr)) {
1689                 rcode = -ENOMEM;
1690                 goto fib_error;
1691         }
1692
1693         srb = fib_data(fibptr);
1694         memcpy(srb, &srbu->srb, sizeof(struct aac_srb));
1695
1696         vbus = (u32)le16_to_cpu(
1697                         dev->supplement_adapter_info.virt_device_bus);
1698         vid  = (u32)le16_to_cpu(
1699                         dev->supplement_adapter_info.virt_device_target);
1700
1701         /* set the common request fields */
1702         srb->channel            = cpu_to_le32(vbus);
1703         srb->id                 = cpu_to_le32(vid);
1704         srb->lun                = 0;
1705         srb->function           = cpu_to_le32(SRBF_ExecuteScsi);
1706         srb->timeout            = 0;
1707         srb->retry_limit        = 0;
1708         srb->cdb_size           = cpu_to_le32(16);
1709         srb->count              = cpu_to_le32(xfer_len);
1710
1711         sg64 = (struct sgmap64 *)&srb->sg;
1712         sg64->count             = cpu_to_le32(1);
1713         sg64->sg[0].addr[1]     = cpu_to_le32(upper_32_bits(addr));
1714         sg64->sg[0].addr[0]     = cpu_to_le32(lower_32_bits(addr));
1715         sg64->sg[0].count       = cpu_to_le32(xfer_len);
1716
1717         /*
1718          * Copy the updated data for other dumping or other usage if needed
1719          */
1720         memcpy(&srbu->srb, srb, sizeof(struct aac_srb));
1721
1722         /* issue request to the controller */
1723         rcode = aac_fib_send(ScsiPortCommand64, fibptr, fibsize, FsaNormal,
1724                                         1, 1, NULL, NULL);
1725
1726         if (rcode == -ERESTARTSYS)
1727                 rcode = -ERESTART;
1728
1729         if (unlikely(rcode < 0))
1730                 goto bmic_error;
1731
1732         srb_reply = (struct aac_srb_reply *)fib_data(fibptr);
1733         memcpy(&srbu->srb_reply, srb_reply, sizeof(struct aac_srb_reply));
1734
1735 bmic_error:
1736         dma_unmap_single(&dev->pdev->dev, addr, xfer_len, DMA_BIDIRECTIONAL);
1737 fib_error:
1738         aac_fib_complete(fibptr);
1739         aac_fib_free(fibptr);
1740         return rcode;
1741 }
1742
1743 static void aac_set_safw_target_qd(struct aac_dev *dev, int bus, int target)
1744 {
1745
1746         struct aac_ciss_identify_pd *identify_resp;
1747
1748         if (dev->hba_map[bus][target].devtype != AAC_DEVTYPE_NATIVE_RAW)
1749                 return;
1750
1751         identify_resp = dev->hba_map[bus][target].safw_identify_resp;
1752         if (identify_resp == NULL) {
1753                 dev->hba_map[bus][target].qd_limit = 32;
1754                 return;
1755         }
1756
1757         if (identify_resp->current_queue_depth_limit <= 0 ||
1758                 identify_resp->current_queue_depth_limit > 255)
1759                 dev->hba_map[bus][target].qd_limit = 32;
1760         else
1761                 dev->hba_map[bus][target].qd_limit =
1762                         identify_resp->current_queue_depth_limit;
1763 }
1764
1765 static int aac_issue_safw_bmic_identify(struct aac_dev *dev,
1766         struct aac_ciss_identify_pd **identify_resp, u32 bus, u32 target)
1767 {
1768         int rcode = -ENOMEM;
1769         int datasize;
1770         struct aac_srb_unit srbu;
1771         struct aac_srb *srbcmd;
1772         struct aac_ciss_identify_pd *identify_reply;
1773
1774         datasize = sizeof(struct aac_ciss_identify_pd);
1775         identify_reply = kmalloc(datasize, GFP_KERNEL);
1776         if (!identify_reply)
1777                 goto out;
1778
1779         memset(&srbu, 0, sizeof(struct aac_srb_unit));
1780
1781         srbcmd = &srbu.srb;
1782         srbcmd->flags   = cpu_to_le32(SRB_DataIn);
1783         srbcmd->cdb[0]  = 0x26;
1784         srbcmd->cdb[2]  = (u8)((AAC_MAX_LUN + target) & 0x00FF);
1785         srbcmd->cdb[6]  = CISS_IDENTIFY_PHYSICAL_DEVICE;
1786
1787         rcode = aac_send_safw_bmic_cmd(dev, &srbu, identify_reply, datasize);
1788         if (unlikely(rcode < 0))
1789                 goto mem_free_all;
1790
1791         *identify_resp = identify_reply;
1792
1793 out:
1794         return rcode;
1795 mem_free_all:
1796         kfree(identify_reply);
1797         goto out;
1798 }
1799
1800 static inline void aac_free_safw_ciss_luns(struct aac_dev *dev)
1801 {
1802         kfree(dev->safw_phys_luns);
1803         dev->safw_phys_luns = NULL;
1804 }
1805
1806 /**
1807  *      aac_get_safw_ciss_luns() - Process topology change
1808  *      @dev:           aac_dev structure
1809  *
1810  *      Execute a CISS REPORT PHYS LUNS and process the results into
1811  *      the current hba_map.
1812  */
1813 static int aac_get_safw_ciss_luns(struct aac_dev *dev)
1814 {
1815         int rcode = -ENOMEM;
1816         int datasize;
1817         struct aac_srb *srbcmd;
1818         struct aac_srb_unit srbu;
1819         struct aac_ciss_phys_luns_resp *phys_luns;
1820
1821         datasize = sizeof(struct aac_ciss_phys_luns_resp) +
1822                 (AAC_MAX_TARGETS - 1) * sizeof(struct _ciss_lun);
1823         phys_luns = kmalloc(datasize, GFP_KERNEL);
1824         if (phys_luns == NULL)
1825                 goto out;
1826
1827         memset(&srbu, 0, sizeof(struct aac_srb_unit));
1828
1829         srbcmd = &srbu.srb;
1830         srbcmd->flags   = cpu_to_le32(SRB_DataIn);
1831         srbcmd->cdb[0]  = CISS_REPORT_PHYSICAL_LUNS;
1832         srbcmd->cdb[1]  = 2; /* extended reporting */
1833         srbcmd->cdb[8]  = (u8)(datasize >> 8);
1834         srbcmd->cdb[9]  = (u8)(datasize);
1835
1836         rcode = aac_send_safw_bmic_cmd(dev, &srbu, phys_luns, datasize);
1837         if (unlikely(rcode < 0))
1838                 goto mem_free_all;
1839
1840         if (phys_luns->resp_flag != 2) {
1841                 rcode = -ENOMSG;
1842                 goto mem_free_all;
1843         }
1844
1845         dev->safw_phys_luns = phys_luns;
1846
1847 out:
1848         return rcode;
1849 mem_free_all:
1850         kfree(phys_luns);
1851         goto out;
1852 }
1853
1854 static inline u32 aac_get_safw_phys_lun_count(struct aac_dev *dev)
1855 {
1856         return get_unaligned_be32(&dev->safw_phys_luns->list_length[0])/24;
1857 }
1858
1859 static inline u32 aac_get_safw_phys_bus(struct aac_dev *dev, int lun)
1860 {
1861         return dev->safw_phys_luns->lun[lun].level2[1] & 0x3f;
1862 }
1863
1864 static inline u32 aac_get_safw_phys_target(struct aac_dev *dev, int lun)
1865 {
1866         return dev->safw_phys_luns->lun[lun].level2[0];
1867 }
1868
1869 static inline u32 aac_get_safw_phys_expose_flag(struct aac_dev *dev, int lun)
1870 {
1871         return dev->safw_phys_luns->lun[lun].bus >> 6;
1872 }
1873
1874 static inline u32 aac_get_safw_phys_attribs(struct aac_dev *dev, int lun)
1875 {
1876         return dev->safw_phys_luns->lun[lun].node_ident[9];
1877 }
1878
1879 static inline u32 aac_get_safw_phys_nexus(struct aac_dev *dev, int lun)
1880 {
1881         return *((u32 *)&dev->safw_phys_luns->lun[lun].node_ident[12]);
1882 }
1883
1884 static inline void aac_free_safw_identify_resp(struct aac_dev *dev,
1885                                                 int bus, int target)
1886 {
1887         kfree(dev->hba_map[bus][target].safw_identify_resp);
1888         dev->hba_map[bus][target].safw_identify_resp = NULL;
1889 }
1890
1891 static inline void aac_free_safw_all_identify_resp(struct aac_dev *dev,
1892         int lun_count)
1893 {
1894         int luns;
1895         int i;
1896         u32 bus;
1897         u32 target;
1898
1899         luns = aac_get_safw_phys_lun_count(dev);
1900
1901         if (luns < lun_count)
1902                 lun_count = luns;
1903         else if (lun_count < 0)
1904                 lun_count = luns;
1905
1906         for (i = 0; i < lun_count; i++) {
1907                 bus = aac_get_safw_phys_bus(dev, i);
1908                 target = aac_get_safw_phys_target(dev, i);
1909
1910                 aac_free_safw_identify_resp(dev, bus, target);
1911         }
1912 }
1913
1914 static int aac_get_safw_attr_all_targets(struct aac_dev *dev)
1915 {
1916         int i;
1917         int rcode = 0;
1918         u32 lun_count;
1919         u32 bus;
1920         u32 target;
1921         struct aac_ciss_identify_pd *identify_resp = NULL;
1922
1923         lun_count = aac_get_safw_phys_lun_count(dev);
1924
1925         for (i = 0; i < lun_count; ++i) {
1926
1927                 bus = aac_get_safw_phys_bus(dev, i);
1928                 target = aac_get_safw_phys_target(dev, i);
1929
1930                 rcode = aac_issue_safw_bmic_identify(dev,
1931                                                 &identify_resp, bus, target);
1932
1933                 if (unlikely(rcode < 0))
1934                         goto free_identify_resp;
1935
1936                 dev->hba_map[bus][target].safw_identify_resp = identify_resp;
1937         }
1938
1939 out:
1940         return rcode;
1941 free_identify_resp:
1942         aac_free_safw_all_identify_resp(dev, i);
1943         goto out;
1944 }
1945
1946 /**
1947  *      aac_set_safw_attr_all_targets-  update current hba map with data from FW
1948  *      @dev:   aac_dev structure
1949  *
1950  *      Update our hba map with the information gathered from the FW
1951  */
1952 static void aac_set_safw_attr_all_targets(struct aac_dev *dev)
1953 {
1954         /* ok and extended reporting */
1955         u32 lun_count, nexus;
1956         u32 i, bus, target;
1957         u8 expose_flag, attribs;
1958
1959         lun_count = aac_get_safw_phys_lun_count(dev);
1960
1961         dev->scan_counter++;
1962
1963         for (i = 0; i < lun_count; ++i) {
1964
1965                 bus = aac_get_safw_phys_bus(dev, i);
1966                 target = aac_get_safw_phys_target(dev, i);
1967                 expose_flag = aac_get_safw_phys_expose_flag(dev, i);
1968                 attribs = aac_get_safw_phys_attribs(dev, i);
1969                 nexus = aac_get_safw_phys_nexus(dev, i);
1970
1971                 if (bus >= AAC_MAX_BUSES || target >= AAC_MAX_TARGETS)
1972                         continue;
1973
1974                 if (expose_flag != 0) {
1975                         dev->hba_map[bus][target].devtype =
1976                                 AAC_DEVTYPE_RAID_MEMBER;
1977                         continue;
1978                 }
1979
1980                 if (nexus != 0 && (attribs & 8)) {
1981                         dev->hba_map[bus][target].devtype =
1982                                 AAC_DEVTYPE_NATIVE_RAW;
1983                         dev->hba_map[bus][target].rmw_nexus =
1984                                         nexus;
1985                 } else
1986                         dev->hba_map[bus][target].devtype =
1987                                 AAC_DEVTYPE_ARC_RAW;
1988
1989                 dev->hba_map[bus][target].scan_counter = dev->scan_counter;
1990
1991                 aac_set_safw_target_qd(dev, bus, target);
1992         }
1993 }
1994
1995 static int aac_setup_safw_targets(struct aac_dev *dev)
1996 {
1997         int rcode = 0;
1998
1999         rcode = aac_get_containers(dev);
2000         if (unlikely(rcode < 0))
2001                 goto out;
2002
2003         rcode = aac_get_safw_ciss_luns(dev);
2004         if (unlikely(rcode < 0))
2005                 goto out;
2006
2007         rcode = aac_get_safw_attr_all_targets(dev);
2008         if (unlikely(rcode < 0))
2009                 goto free_ciss_luns;
2010
2011         aac_set_safw_attr_all_targets(dev);
2012
2013         aac_free_safw_all_identify_resp(dev, -1);
2014 free_ciss_luns:
2015         aac_free_safw_ciss_luns(dev);
2016 out:
2017         return rcode;
2018 }
2019
2020 int aac_setup_safw_adapter(struct aac_dev *dev)
2021 {
2022         return aac_setup_safw_targets(dev);
2023 }
2024
2025 int aac_get_adapter_info(struct aac_dev* dev)
2026 {
2027         struct fib* fibptr;
2028         int rcode;
2029         u32 tmp, bus, target;
2030         struct aac_adapter_info *info;
2031         struct aac_bus_info *command;
2032         struct aac_bus_info_response *bus_info;
2033
2034         if (!(fibptr = aac_fib_alloc(dev)))
2035                 return -ENOMEM;
2036
2037         aac_fib_init(fibptr);
2038         info = (struct aac_adapter_info *) fib_data(fibptr);
2039         memset(info,0,sizeof(*info));
2040
2041         rcode = aac_fib_send(RequestAdapterInfo,
2042                          fibptr,
2043                          sizeof(*info),
2044                          FsaNormal,
2045                          -1, 1, /* First `interrupt' command uses special wait */
2046                          NULL,
2047                          NULL);
2048
2049         if (rcode < 0) {
2050                 /* FIB should be freed only after
2051                  * getting the response from the F/W */
2052                 if (rcode != -ERESTARTSYS) {
2053                         aac_fib_complete(fibptr);
2054                         aac_fib_free(fibptr);
2055                 }
2056                 return rcode;
2057         }
2058         memcpy(&dev->adapter_info, info, sizeof(*info));
2059
2060         dev->supplement_adapter_info.virt_device_bus = 0xffff;
2061         if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) {
2062                 struct aac_supplement_adapter_info * sinfo;
2063
2064                 aac_fib_init(fibptr);
2065
2066                 sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr);
2067
2068                 memset(sinfo,0,sizeof(*sinfo));
2069
2070                 rcode = aac_fib_send(RequestSupplementAdapterInfo,
2071                                  fibptr,
2072                                  sizeof(*sinfo),
2073                                  FsaNormal,
2074                                  1, 1,
2075                                  NULL,
2076                                  NULL);
2077
2078                 if (rcode >= 0)
2079                         memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo));
2080                 if (rcode == -ERESTARTSYS) {
2081                         fibptr = aac_fib_alloc(dev);
2082                         if (!fibptr)
2083                                 return -ENOMEM;
2084                 }
2085
2086         }
2087
2088         /* reset all previous mapped devices (i.e. for init. after IOP_RESET) */
2089         for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
2090                 for (target = 0; target < AAC_MAX_TARGETS; target++) {
2091                         dev->hba_map[bus][target].devtype = 0;
2092                         dev->hba_map[bus][target].qd_limit = 0;
2093                 }
2094         }
2095
2096         /*
2097          * GetBusInfo
2098          */
2099
2100         aac_fib_init(fibptr);
2101
2102         bus_info = (struct aac_bus_info_response *) fib_data(fibptr);
2103
2104         memset(bus_info, 0, sizeof(*bus_info));
2105
2106         command = (struct aac_bus_info *)bus_info;
2107
2108         command->Command = cpu_to_le32(VM_Ioctl);
2109         command->ObjType = cpu_to_le32(FT_DRIVE);
2110         command->MethodId = cpu_to_le32(1);
2111         command->CtlCmd = cpu_to_le32(GetBusInfo);
2112
2113         rcode = aac_fib_send(ContainerCommand,
2114                          fibptr,
2115                          sizeof (*bus_info),
2116                          FsaNormal,
2117                          1, 1,
2118                          NULL, NULL);
2119
2120         /* reasoned default */
2121         dev->maximum_num_physicals = 16;
2122         if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) {
2123                 dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus);
2124                 dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
2125         }
2126
2127         if (!dev->in_reset) {
2128                 char buffer[16];
2129                 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
2130                 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
2131                         dev->name,
2132                         dev->id,
2133                         tmp>>24,
2134                         (tmp>>16)&0xff,
2135                         tmp&0xff,
2136                         le32_to_cpu(dev->adapter_info.kernelbuild),
2137                         (int)sizeof(dev->supplement_adapter_info.build_date),
2138                         dev->supplement_adapter_info.build_date);
2139                 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
2140                 printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
2141                         dev->name, dev->id,
2142                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
2143                         le32_to_cpu(dev->adapter_info.monitorbuild));
2144                 tmp = le32_to_cpu(dev->adapter_info.biosrev);
2145                 printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
2146                         dev->name, dev->id,
2147                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
2148                         le32_to_cpu(dev->adapter_info.biosbuild));
2149                 buffer[0] = '\0';
2150                 if (aac_get_serial_number(
2151                   shost_to_class(dev->scsi_host_ptr), buffer))
2152                         printk(KERN_INFO "%s%d: serial %s",
2153                           dev->name, dev->id, buffer);
2154                 if (dev->supplement_adapter_info.vpd_info.tsid[0]) {
2155                         printk(KERN_INFO "%s%d: TSID %.*s\n",
2156                           dev->name, dev->id,
2157                           (int)sizeof(dev->supplement_adapter_info
2158                                                         .vpd_info.tsid),
2159                                 dev->supplement_adapter_info.vpd_info.tsid);
2160                 }
2161                 if (!aac_check_reset || ((aac_check_reset == 1) &&
2162                   (dev->supplement_adapter_info.supported_options2 &
2163                   AAC_OPTION_IGNORE_RESET))) {
2164                         printk(KERN_INFO "%s%d: Reset Adapter Ignored\n",
2165                           dev->name, dev->id);
2166                 }
2167         }
2168
2169         dev->cache_protected = 0;
2170         dev->jbod = ((dev->supplement_adapter_info.feature_bits &
2171                 AAC_FEATURE_JBOD) != 0);
2172         dev->nondasd_support = 0;
2173         dev->raid_scsi_mode = 0;
2174         if(dev->adapter_info.options & AAC_OPT_NONDASD)
2175                 dev->nondasd_support = 1;
2176
2177         /*
2178          * If the firmware supports ROMB RAID/SCSI mode and we are currently
2179          * in RAID/SCSI mode, set the flag. For now if in this mode we will
2180          * force nondasd support on. If we decide to allow the non-dasd flag
2181          * additional changes changes will have to be made to support
2182          * RAID/SCSI.  the function aac_scsi_cmd in this module will have to be
2183          * changed to support the new dev->raid_scsi_mode flag instead of
2184          * leaching off of the dev->nondasd_support flag. Also in linit.c the
2185          * function aac_detect will have to be modified where it sets up the
2186          * max number of channels based on the aac->nondasd_support flag only.
2187          */
2188         if ((dev->adapter_info.options & AAC_OPT_SCSI_MANAGED) &&
2189             (dev->adapter_info.options & AAC_OPT_RAID_SCSI_MODE)) {
2190                 dev->nondasd_support = 1;
2191                 dev->raid_scsi_mode = 1;
2192         }
2193         if (dev->raid_scsi_mode != 0)
2194                 printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n",
2195                                 dev->name, dev->id);
2196
2197         if (nondasd != -1)
2198                 dev->nondasd_support = (nondasd!=0);
2199         if (dev->nondasd_support && !dev->in_reset)
2200                 printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id);
2201
2202         if (dma_get_required_mask(&dev->pdev->dev) > DMA_BIT_MASK(32))
2203                 dev->needs_dac = 1;
2204         dev->dac_support = 0;
2205         if ((sizeof(dma_addr_t) > 4) && dev->needs_dac &&
2206             (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) {
2207                 if (!dev->in_reset)
2208                         printk(KERN_INFO "%s%d: 64bit support enabled.\n",
2209                                 dev->name, dev->id);
2210                 dev->dac_support = 1;
2211         }
2212
2213         if(dacmode != -1) {
2214                 dev->dac_support = (dacmode!=0);
2215         }
2216
2217         /* avoid problems with AAC_QUIRK_SCSI_32 controllers */
2218         if (dev->dac_support && (aac_get_driver_ident(dev->cardtype)->quirks
2219                 & AAC_QUIRK_SCSI_32)) {
2220                 dev->nondasd_support = 0;
2221                 dev->jbod = 0;
2222                 expose_physicals = 0;
2223         }
2224
2225         if (dev->dac_support) {
2226                 if (!dma_set_mask(&dev->pdev->dev, DMA_BIT_MASK(64))) {
2227                         if (!dev->in_reset)
2228                                 dev_info(&dev->pdev->dev, "64 Bit DAC enabled\n");
2229                 } else if (!dma_set_mask(&dev->pdev->dev, DMA_BIT_MASK(32))) {
2230                         dev_info(&dev->pdev->dev, "DMA mask set failed, 64 Bit DAC disabled\n");
2231                         dev->dac_support = 0;
2232                 } else {
2233                         dev_info(&dev->pdev->dev, "No suitable DMA available\n");
2234                         rcode = -ENOMEM;
2235                 }
2236         }
2237         /*
2238          * Deal with configuring for the individualized limits of each packet
2239          * interface.
2240          */
2241         dev->a_ops.adapter_scsi = (dev->dac_support)
2242           ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32)
2243                                 ? aac_scsi_32_64
2244                                 : aac_scsi_64)
2245                                 : aac_scsi_32;
2246         if (dev->raw_io_interface) {
2247                 dev->a_ops.adapter_bounds = (dev->raw_io_64)
2248                                         ? aac_bounds_64
2249                                         : aac_bounds_32;
2250                 dev->a_ops.adapter_read = aac_read_raw_io;
2251                 dev->a_ops.adapter_write = aac_write_raw_io;
2252         } else {
2253                 dev->a_ops.adapter_bounds = aac_bounds_32;
2254                 dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
2255                         sizeof(struct aac_fibhdr) -
2256                         sizeof(struct aac_write) + sizeof(struct sgentry)) /
2257                                 sizeof(struct sgentry);
2258                 if (dev->dac_support) {
2259                         dev->a_ops.adapter_read = aac_read_block64;
2260                         dev->a_ops.adapter_write = aac_write_block64;
2261                         /*
2262                          * 38 scatter gather elements
2263                          */
2264                         dev->scsi_host_ptr->sg_tablesize =
2265                                 (dev->max_fib_size -
2266                                 sizeof(struct aac_fibhdr) -
2267                                 sizeof(struct aac_write64) +
2268                                 sizeof(struct sgentry64)) /
2269                                         sizeof(struct sgentry64);
2270                 } else {
2271                         dev->a_ops.adapter_read = aac_read_block;
2272                         dev->a_ops.adapter_write = aac_write_block;
2273                 }
2274                 dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
2275                 if (!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
2276                         /*
2277                          * Worst case size that could cause sg overflow when
2278                          * we break up SG elements that are larger than 64KB.
2279                          * Would be nice if we could tell the SCSI layer what
2280                          * the maximum SG element size can be. Worst case is
2281                          * (sg_tablesize-1) 4KB elements with one 64KB
2282                          * element.
2283                          *      32bit -> 468 or 238KB   64bit -> 424 or 212KB
2284                          */
2285                         dev->scsi_host_ptr->max_sectors =
2286                           (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
2287                 }
2288         }
2289         if (!dev->sync_mode && dev->sa_firmware &&
2290                 dev->scsi_host_ptr->sg_tablesize > HBA_MAX_SG_SEPARATE)
2291                 dev->scsi_host_ptr->sg_tablesize = dev->sg_tablesize =
2292                         HBA_MAX_SG_SEPARATE;
2293
2294         /* FIB should be freed only after getting the response from the F/W */
2295         if (rcode != -ERESTARTSYS) {
2296                 aac_fib_complete(fibptr);
2297                 aac_fib_free(fibptr);
2298         }
2299
2300         return rcode;
2301 }
2302
2303
2304 static void io_callback(void *context, struct fib * fibptr)
2305 {
2306         struct aac_dev *dev;
2307         struct aac_read_reply *readreply;
2308         struct scsi_cmnd *scsicmd;
2309         u32 cid;
2310
2311         scsicmd = (struct scsi_cmnd *) context;
2312
2313         if (!aac_valid_context(scsicmd, fibptr))
2314                 return;
2315
2316         dev = fibptr->dev;
2317         cid = scmd_id(scsicmd);
2318
2319         if (nblank(dprintk(x))) {
2320                 u64 lba;
2321                 switch (scsicmd->cmnd[0]) {
2322                 case WRITE_6:
2323                 case READ_6:
2324                         lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
2325                             (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
2326                         break;
2327                 case WRITE_16:
2328                 case READ_16:
2329                         lba = ((u64)scsicmd->cmnd[2] << 56) |
2330                               ((u64)scsicmd->cmnd[3] << 48) |
2331                               ((u64)scsicmd->cmnd[4] << 40) |
2332                               ((u64)scsicmd->cmnd[5] << 32) |
2333                               ((u64)scsicmd->cmnd[6] << 24) |
2334                               (scsicmd->cmnd[7] << 16) |
2335                               (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2336                         break;
2337                 case WRITE_12:
2338                 case READ_12:
2339                         lba = ((u64)scsicmd->cmnd[2] << 24) |
2340                               (scsicmd->cmnd[3] << 16) |
2341                               (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2342                         break;
2343                 default:
2344                         lba = ((u64)scsicmd->cmnd[2] << 24) |
2345                                (scsicmd->cmnd[3] << 16) |
2346                                (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2347                         break;
2348                 }
2349                 printk(KERN_DEBUG
2350                   "io_callback[cpu %d]: lba = %llu, t = %ld.\n",
2351                   smp_processor_id(), (unsigned long long)lba, jiffies);
2352         }
2353
2354         BUG_ON(fibptr == NULL);
2355
2356         scsi_dma_unmap(scsicmd);
2357
2358         readreply = (struct aac_read_reply *)fib_data(fibptr);
2359         switch (le32_to_cpu(readreply->status)) {
2360         case ST_OK:
2361                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2362                 dev->fsa_dev[cid].sense_data.sense_key = NO_SENSE;
2363                 break;
2364         case ST_NOT_READY:
2365                 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2366                 set_sense(&dev->fsa_dev[cid].sense_data, NOT_READY,
2367                   SENCODE_BECOMING_READY, ASENCODE_BECOMING_READY, 0, 0);
2368                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2369                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2370                              SCSI_SENSE_BUFFERSIZE));
2371                 break;
2372         case ST_MEDERR:
2373                 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2374                 set_sense(&dev->fsa_dev[cid].sense_data, MEDIUM_ERROR,
2375                   SENCODE_UNRECOVERED_READ_ERROR, ASENCODE_NO_SENSE, 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         default:
2381 #ifdef AAC_DETAILED_STATUS_INFO
2382                 printk(KERN_WARNING "io_callback: io failed, status = %d\n",
2383                   le32_to_cpu(readreply->status));
2384 #endif
2385                 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2386                 set_sense(&dev->fsa_dev[cid].sense_data,
2387                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
2388                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2389                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2390                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2391                              SCSI_SENSE_BUFFERSIZE));
2392                 break;
2393         }
2394         aac_fib_complete(fibptr);
2395
2396         scsicmd->scsi_done(scsicmd);
2397 }
2398
2399 static int aac_read(struct scsi_cmnd * scsicmd)
2400 {
2401         u64 lba;
2402         u32 count;
2403         int status;
2404         struct aac_dev *dev;
2405         struct fib * cmd_fibcontext;
2406         int cid;
2407
2408         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2409         /*
2410          *      Get block address and transfer length
2411          */
2412         switch (scsicmd->cmnd[0]) {
2413         case READ_6:
2414                 dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd)));
2415
2416                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) |
2417                         (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
2418                 count = scsicmd->cmnd[4];
2419
2420                 if (count == 0)
2421                         count = 256;
2422                 break;
2423         case READ_16:
2424                 dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd)));
2425
2426                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
2427                         ((u64)scsicmd->cmnd[3] << 48) |
2428                         ((u64)scsicmd->cmnd[4] << 40) |
2429                         ((u64)scsicmd->cmnd[5] << 32) |
2430                         ((u64)scsicmd->cmnd[6] << 24) |
2431                         (scsicmd->cmnd[7] << 16) |
2432                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2433                 count = (scsicmd->cmnd[10] << 24) |
2434                         (scsicmd->cmnd[11] << 16) |
2435                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
2436                 break;
2437         case READ_12:
2438                 dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd)));
2439
2440                 lba = ((u64)scsicmd->cmnd[2] << 24) |
2441                         (scsicmd->cmnd[3] << 16) |
2442                         (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2443                 count = (scsicmd->cmnd[6] << 24) |
2444                         (scsicmd->cmnd[7] << 16) |
2445                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2446                 break;
2447         default:
2448                 dprintk((KERN_DEBUG "aachba: received a read(10) 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[7] << 8) | scsicmd->cmnd[8];
2454                 break;
2455         }
2456
2457         if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
2458                 cid = scmd_id(scsicmd);
2459                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
2460                 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2461                 set_sense(&dev->fsa_dev[cid].sense_data,
2462                           ILLEGAL_REQUEST, SENCODE_LBA_OUT_OF_RANGE,
2463                           ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2464                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2465                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2466                              SCSI_SENSE_BUFFERSIZE));
2467                 scsicmd->scsi_done(scsicmd);
2468                 return 0;
2469         }
2470
2471         dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
2472           smp_processor_id(), (unsigned long long)lba, jiffies));
2473         if (aac_adapter_bounds(dev,scsicmd,lba))
2474                 return 0;
2475         /*
2476          *      Alocate and initialize a Fib
2477          */
2478         cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
2479         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2480         status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
2481
2482         /*
2483          *      Check that the command queued to the controller
2484          */
2485         if (status == -EINPROGRESS)
2486                 return 0;
2487
2488         printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
2489         /*
2490          *      For some reason, the Fib didn't queue, return QUEUE_FULL
2491          */
2492         scsicmd->result = DID_OK << 16 | SAM_STAT_TASK_SET_FULL;
2493         scsicmd->scsi_done(scsicmd);
2494         aac_fib_complete(cmd_fibcontext);
2495         aac_fib_free(cmd_fibcontext);
2496         return 0;
2497 }
2498
2499 static int aac_write(struct scsi_cmnd * scsicmd)
2500 {
2501         u64 lba;
2502         u32 count;
2503         int fua;
2504         int status;
2505         struct aac_dev *dev;
2506         struct fib * cmd_fibcontext;
2507         int cid;
2508
2509         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
2510         /*
2511          *      Get block address and transfer length
2512          */
2513         if (scsicmd->cmnd[0] == WRITE_6)        /* 6 byte command */
2514         {
2515                 lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
2516                 count = scsicmd->cmnd[4];
2517                 if (count == 0)
2518                         count = 256;
2519                 fua = 0;
2520         } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */
2521                 dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd)));
2522
2523                 lba =   ((u64)scsicmd->cmnd[2] << 56) |
2524                         ((u64)scsicmd->cmnd[3] << 48) |
2525                         ((u64)scsicmd->cmnd[4] << 40) |
2526                         ((u64)scsicmd->cmnd[5] << 32) |
2527                         ((u64)scsicmd->cmnd[6] << 24) |
2528                         (scsicmd->cmnd[7] << 16) |
2529                         (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2530                 count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) |
2531                         (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13];
2532                 fua = scsicmd->cmnd[1] & 0x8;
2533         } else if (scsicmd->cmnd[0] == WRITE_12) { /* 12 byte command */
2534                 dprintk((KERN_DEBUG "aachba: received a write(12) command on id %d.\n", scmd_id(scsicmd)));
2535
2536                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16)
2537                     | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2538                 count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16)
2539                       | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9];
2540                 fua = scsicmd->cmnd[1] & 0x8;
2541         } else {
2542                 dprintk((KERN_DEBUG "aachba: received a write(10) command on id %d.\n", scmd_id(scsicmd)));
2543                 lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5];
2544                 count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8];
2545                 fua = scsicmd->cmnd[1] & 0x8;
2546         }
2547
2548         if ((lba + count) > (dev->fsa_dev[scmd_id(scsicmd)].size)) {
2549                 cid = scmd_id(scsicmd);
2550                 dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
2551                 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2552                 set_sense(&dev->fsa_dev[cid].sense_data,
2553                           ILLEGAL_REQUEST, SENCODE_LBA_OUT_OF_RANGE,
2554                           ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2555                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2556                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2557                              SCSI_SENSE_BUFFERSIZE));
2558                 scsicmd->scsi_done(scsicmd);
2559                 return 0;
2560         }
2561
2562         dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
2563           smp_processor_id(), (unsigned long long)lba, jiffies));
2564         if (aac_adapter_bounds(dev,scsicmd,lba))
2565                 return 0;
2566         /*
2567          *      Allocate and initialize a Fib then setup a BlockWrite command
2568          */
2569         cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
2570         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2571         status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
2572
2573         /*
2574          *      Check that the command queued to the controller
2575          */
2576         if (status == -EINPROGRESS)
2577                 return 0;
2578
2579         printk(KERN_WARNING "aac_write: aac_fib_send failed with status: %d\n", status);
2580         /*
2581          *      For some reason, the Fib didn't queue, return QUEUE_FULL
2582          */
2583         scsicmd->result = DID_OK << 16 | SAM_STAT_TASK_SET_FULL;
2584         scsicmd->scsi_done(scsicmd);
2585
2586         aac_fib_complete(cmd_fibcontext);
2587         aac_fib_free(cmd_fibcontext);
2588         return 0;
2589 }
2590
2591 static void synchronize_callback(void *context, struct fib *fibptr)
2592 {
2593         struct aac_synchronize_reply *synchronizereply;
2594         struct scsi_cmnd *cmd = context;
2595
2596         if (!aac_valid_context(cmd, fibptr))
2597                 return;
2598
2599         dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
2600                                 smp_processor_id(), jiffies));
2601         BUG_ON(fibptr == NULL);
2602
2603
2604         synchronizereply = fib_data(fibptr);
2605         if (le32_to_cpu(synchronizereply->status) == CT_OK)
2606                 cmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2607         else {
2608                 struct scsi_device *sdev = cmd->device;
2609                 struct aac_dev *dev = fibptr->dev;
2610                 u32 cid = sdev_id(sdev);
2611                 printk(KERN_WARNING
2612                      "synchronize_callback: synchronize failed, status = %d\n",
2613                      le32_to_cpu(synchronizereply->status));
2614                 cmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2615                 set_sense(&dev->fsa_dev[cid].sense_data,
2616                   HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
2617                   ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
2618                 memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2619                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2620                              SCSI_SENSE_BUFFERSIZE));
2621         }
2622
2623         aac_fib_complete(fibptr);
2624         aac_fib_free(fibptr);
2625         cmd->scsi_done(cmd);
2626 }
2627
2628 static int aac_synchronize(struct scsi_cmnd *scsicmd)
2629 {
2630         int status;
2631         struct fib *cmd_fibcontext;
2632         struct aac_synchronize *synchronizecmd;
2633         struct scsi_device *sdev = scsicmd->device;
2634         struct aac_dev *aac;
2635
2636         aac = (struct aac_dev *)sdev->host->hostdata;
2637         if (aac->in_reset)
2638                 return SCSI_MLQUEUE_HOST_BUSY;
2639
2640         /*
2641          *      Allocate and initialize a Fib
2642          */
2643         cmd_fibcontext = aac_fib_alloc_tag(aac, scsicmd);
2644
2645         aac_fib_init(cmd_fibcontext);
2646
2647         synchronizecmd = fib_data(cmd_fibcontext);
2648         synchronizecmd->command = cpu_to_le32(VM_ContainerConfig);
2649         synchronizecmd->type = cpu_to_le32(CT_FLUSH_CACHE);
2650         synchronizecmd->cid = cpu_to_le32(scmd_id(scsicmd));
2651         synchronizecmd->count =
2652              cpu_to_le32(sizeof(((struct aac_synchronize_reply *)NULL)->data));
2653         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2654
2655         /*
2656          *      Now send the Fib to the adapter
2657          */
2658         status = aac_fib_send(ContainerCommand,
2659                   cmd_fibcontext,
2660                   sizeof(struct aac_synchronize),
2661                   FsaNormal,
2662                   0, 1,
2663                   (fib_callback)synchronize_callback,
2664                   (void *)scsicmd);
2665
2666         /*
2667          *      Check that the command queued to the controller
2668          */
2669         if (status == -EINPROGRESS)
2670                 return 0;
2671
2672         printk(KERN_WARNING
2673                 "aac_synchronize: aac_fib_send failed with status: %d.\n", status);
2674         aac_fib_complete(cmd_fibcontext);
2675         aac_fib_free(cmd_fibcontext);
2676         return SCSI_MLQUEUE_HOST_BUSY;
2677 }
2678
2679 static void aac_start_stop_callback(void *context, struct fib *fibptr)
2680 {
2681         struct scsi_cmnd *scsicmd = context;
2682
2683         if (!aac_valid_context(scsicmd, fibptr))
2684                 return;
2685
2686         BUG_ON(fibptr == NULL);
2687
2688         scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2689
2690         aac_fib_complete(fibptr);
2691         aac_fib_free(fibptr);
2692         scsicmd->scsi_done(scsicmd);
2693 }
2694
2695 static int aac_start_stop(struct scsi_cmnd *scsicmd)
2696 {
2697         int status;
2698         struct fib *cmd_fibcontext;
2699         struct aac_power_management *pmcmd;
2700         struct scsi_device *sdev = scsicmd->device;
2701         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
2702
2703         if (!(aac->supplement_adapter_info.supported_options2 &
2704               AAC_OPTION_POWER_MANAGEMENT)) {
2705                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2706                 scsicmd->scsi_done(scsicmd);
2707                 return 0;
2708         }
2709
2710         if (aac->in_reset)
2711                 return SCSI_MLQUEUE_HOST_BUSY;
2712
2713         /*
2714          *      Allocate and initialize a Fib
2715          */
2716         cmd_fibcontext = aac_fib_alloc_tag(aac, scsicmd);
2717
2718         aac_fib_init(cmd_fibcontext);
2719
2720         pmcmd = fib_data(cmd_fibcontext);
2721         pmcmd->command = cpu_to_le32(VM_ContainerConfig);
2722         pmcmd->type = cpu_to_le32(CT_POWER_MANAGEMENT);
2723         /* Eject bit ignored, not relevant */
2724         pmcmd->sub = (scsicmd->cmnd[4] & 1) ?
2725                 cpu_to_le32(CT_PM_START_UNIT) : cpu_to_le32(CT_PM_STOP_UNIT);
2726         pmcmd->cid = cpu_to_le32(sdev_id(sdev));
2727         pmcmd->parm = (scsicmd->cmnd[1] & 1) ?
2728                 cpu_to_le32(CT_PM_UNIT_IMMEDIATE) : 0;
2729         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
2730
2731         /*
2732          *      Now send the Fib to the adapter
2733          */
2734         status = aac_fib_send(ContainerCommand,
2735                   cmd_fibcontext,
2736                   sizeof(struct aac_power_management),
2737                   FsaNormal,
2738                   0, 1,
2739                   (fib_callback)aac_start_stop_callback,
2740                   (void *)scsicmd);
2741
2742         /*
2743          *      Check that the command queued to the controller
2744          */
2745         if (status == -EINPROGRESS)
2746                 return 0;
2747
2748         aac_fib_complete(cmd_fibcontext);
2749         aac_fib_free(cmd_fibcontext);
2750         return SCSI_MLQUEUE_HOST_BUSY;
2751 }
2752
2753 /**
2754  *      aac_scsi_cmd()          -       Process SCSI command
2755  *      @scsicmd:               SCSI command block
2756  *
2757  *      Emulate a SCSI command and queue the required request for the
2758  *      aacraid firmware.
2759  */
2760
2761 int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
2762 {
2763         u32 cid, bus;
2764         struct Scsi_Host *host = scsicmd->device->host;
2765         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
2766         struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev;
2767
2768         if (fsa_dev_ptr == NULL)
2769                 return -1;
2770         /*
2771          *      If the bus, id or lun is out of range, return fail
2772          *      Test does not apply to ID 16, the pseudo id for the controller
2773          *      itself.
2774          */
2775         cid = scmd_id(scsicmd);
2776         if (cid != host->this_id) {
2777                 if (scmd_channel(scsicmd) == CONTAINER_CHANNEL) {
2778                         if((cid >= dev->maximum_num_containers) ||
2779                                         (scsicmd->device->lun != 0)) {
2780                                 scsicmd->result = DID_NO_CONNECT << 16;
2781                                 goto scsi_done_ret;
2782                         }
2783
2784                         /*
2785                          *      If the target container doesn't exist, it may have
2786                          *      been newly created
2787                          */
2788                         if (((fsa_dev_ptr[cid].valid & 1) == 0) ||
2789                           (fsa_dev_ptr[cid].sense_data.sense_key ==
2790                            NOT_READY)) {
2791                                 switch (scsicmd->cmnd[0]) {
2792                                 case SERVICE_ACTION_IN_16:
2793                                         if (!(dev->raw_io_interface) ||
2794                                             !(dev->raw_io_64) ||
2795                                             ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2796                                                 break;
2797                                         fallthrough;
2798                                 case INQUIRY:
2799                                 case READ_CAPACITY:
2800                                 case TEST_UNIT_READY:
2801                                         if (dev->in_reset)
2802                                                 return -1;
2803                                         return _aac_probe_container(scsicmd,
2804                                                         aac_probe_container_callback2);
2805                                 default:
2806                                         break;
2807                                 }
2808                         }
2809                 } else {  /* check for physical non-dasd devices */
2810                         bus = aac_logical_to_phys(scmd_channel(scsicmd));
2811
2812                         if (bus < AAC_MAX_BUSES && cid < AAC_MAX_TARGETS &&
2813                                 dev->hba_map[bus][cid].devtype
2814                                         == AAC_DEVTYPE_NATIVE_RAW) {
2815                                 if (dev->in_reset)
2816                                         return -1;
2817                                 return aac_send_hba_fib(scsicmd);
2818                         } else if (dev->nondasd_support || expose_physicals ||
2819                                 dev->jbod) {
2820                                 if (dev->in_reset)
2821                                         return -1;
2822                                 return aac_send_srb_fib(scsicmd);
2823                         } else {
2824                                 scsicmd->result = DID_NO_CONNECT << 16;
2825                                 goto scsi_done_ret;
2826                         }
2827                 }
2828         }
2829         /*
2830          * else Command for the controller itself
2831          */
2832         else if ((scsicmd->cmnd[0] != INQUIRY) &&       /* only INQUIRY & TUR cmnd supported for controller */
2833                 (scsicmd->cmnd[0] != TEST_UNIT_READY))
2834         {
2835                 dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0]));
2836                 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2837                 set_sense(&dev->fsa_dev[cid].sense_data,
2838                   ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
2839                   ASENCODE_INVALID_COMMAND, 0, 0);
2840                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
2841                        min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
2842                              SCSI_SENSE_BUFFERSIZE));
2843                 goto scsi_done_ret;
2844         }
2845
2846         switch (scsicmd->cmnd[0]) {
2847         case READ_6:
2848         case READ_10:
2849         case READ_12:
2850         case READ_16:
2851                 if (dev->in_reset)
2852                         return -1;
2853                 return aac_read(scsicmd);
2854
2855         case WRITE_6:
2856         case WRITE_10:
2857         case WRITE_12:
2858         case WRITE_16:
2859                 if (dev->in_reset)
2860                         return -1;
2861                 return aac_write(scsicmd);
2862
2863         case SYNCHRONIZE_CACHE:
2864                 if (((aac_cache & 6) == 6) && dev->cache_protected) {
2865                         scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2866                         break;
2867                 }
2868                 /* Issue FIB to tell Firmware to flush it's cache */
2869                 if ((aac_cache & 6) != 2)
2870                         return aac_synchronize(scsicmd);
2871                 fallthrough;
2872         case INQUIRY:
2873         {
2874                 struct inquiry_data inq_data;
2875
2876                 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid));
2877                 memset(&inq_data, 0, sizeof (struct inquiry_data));
2878
2879                 if ((scsicmd->cmnd[1] & 0x1) && aac_wwn) {
2880                         char *arr = (char *)&inq_data;
2881
2882                         /* EVPD bit set */
2883                         arr[0] = (scmd_id(scsicmd) == host->this_id) ?
2884                           INQD_PDT_PROC : INQD_PDT_DA;
2885                         if (scsicmd->cmnd[2] == 0) {
2886                                 /* supported vital product data pages */
2887                                 arr[3] = 3;
2888                                 arr[4] = 0x0;
2889                                 arr[5] = 0x80;
2890                                 arr[6] = 0x83;
2891                                 arr[1] = scsicmd->cmnd[2];
2892                                 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2893                                                          sizeof(inq_data));
2894                                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2895                         } else if (scsicmd->cmnd[2] == 0x80) {
2896                                 /* unit serial number page */
2897                                 arr[3] = setinqserial(dev, &arr[4],
2898                                   scmd_id(scsicmd));
2899                                 arr[1] = scsicmd->cmnd[2];
2900                                 scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2901                                                          sizeof(inq_data));
2902                                 if (aac_wwn != 2)
2903                                         return aac_get_container_serial(
2904                                                 scsicmd);
2905                                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2906                         } else if (scsicmd->cmnd[2] == 0x83) {
2907                                 /* vpd page 0x83 - Device Identification Page */
2908                                 char *sno = (char *)&inq_data;
2909                                 sno[3] = setinqserial(dev, &sno[4],
2910                                                       scmd_id(scsicmd));
2911                                 if (aac_wwn != 2)
2912                                         return aac_get_container_serial(
2913                                                 scsicmd);
2914                                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2915                         } else {
2916                                 /* vpd page not implemented */
2917                                 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
2918                                 set_sense(&dev->fsa_dev[cid].sense_data,
2919                                   ILLEGAL_REQUEST, SENCODE_INVALID_CDB_FIELD,
2920                                   ASENCODE_NO_SENSE, 7, 2);
2921                                 memcpy(scsicmd->sense_buffer,
2922                                   &dev->fsa_dev[cid].sense_data,
2923                                   min_t(size_t,
2924                                         sizeof(dev->fsa_dev[cid].sense_data),
2925                                         SCSI_SENSE_BUFFERSIZE));
2926                         }
2927                         break;
2928                 }
2929                 inq_data.inqd_ver = 2;  /* claim compliance to SCSI-2 */
2930                 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 */
2931                 inq_data.inqd_len = 31;
2932                 /*Format for "pad2" is  RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
2933                 inq_data.inqd_pad2= 0x32 ;       /*WBus16|Sync|CmdQue */
2934                 /*
2935                  *      Set the Vendor, Product, and Revision Level
2936                  *      see: <vendor>.c i.e. aac.c
2937                  */
2938                 if (cid == host->this_id) {
2939                         setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
2940                         inq_data.inqd_pdt = INQD_PDT_PROC;      /* Processor device */
2941                         scsi_sg_copy_from_buffer(scsicmd, &inq_data,
2942                                                  sizeof(inq_data));
2943                         scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2944                         break;
2945                 }
2946                 if (dev->in_reset)
2947                         return -1;
2948                 setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
2949                 inq_data.inqd_pdt = INQD_PDT_DA;        /* Direct/random access device */
2950                 scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
2951                 return aac_get_container_name(scsicmd);
2952         }
2953         case SERVICE_ACTION_IN_16:
2954                 if (!(dev->raw_io_interface) ||
2955                     !(dev->raw_io_64) ||
2956                     ((scsicmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
2957                         break;
2958         {
2959                 u64 capacity;
2960                 char cp[13];
2961                 unsigned int alloc_len;
2962
2963                 dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
2964                 capacity = fsa_dev_ptr[cid].size - 1;
2965                 cp[0] = (capacity >> 56) & 0xff;
2966                 cp[1] = (capacity >> 48) & 0xff;
2967                 cp[2] = (capacity >> 40) & 0xff;
2968                 cp[3] = (capacity >> 32) & 0xff;
2969                 cp[4] = (capacity >> 24) & 0xff;
2970                 cp[5] = (capacity >> 16) & 0xff;
2971                 cp[6] = (capacity >> 8) & 0xff;
2972                 cp[7] = (capacity >> 0) & 0xff;
2973                 cp[8] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
2974                 cp[9] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
2975                 cp[10] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
2976                 cp[11] = (fsa_dev_ptr[cid].block_size) & 0xff;
2977                 cp[12] = 0;
2978
2979                 alloc_len = ((scsicmd->cmnd[10] << 24)
2980                              + (scsicmd->cmnd[11] << 16)
2981                              + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);
2982
2983                 alloc_len = min_t(size_t, alloc_len, sizeof(cp));
2984                 scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len);
2985                 if (alloc_len < scsi_bufflen(scsicmd))
2986                         scsi_set_resid(scsicmd,
2987                                        scsi_bufflen(scsicmd) - alloc_len);
2988
2989                 /* Do not cache partition table for arrays */
2990                 scsicmd->device->removable = 1;
2991
2992                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
2993                 break;
2994         }
2995
2996         case READ_CAPACITY:
2997         {
2998                 u32 capacity;
2999                 char cp[8];
3000
3001                 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
3002                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
3003                         capacity = fsa_dev_ptr[cid].size - 1;
3004                 else
3005                         capacity = (u32)-1;
3006
3007                 cp[0] = (capacity >> 24) & 0xff;
3008                 cp[1] = (capacity >> 16) & 0xff;
3009                 cp[2] = (capacity >> 8) & 0xff;
3010                 cp[3] = (capacity >> 0) & 0xff;
3011                 cp[4] = (fsa_dev_ptr[cid].block_size >> 24) & 0xff;
3012                 cp[5] = (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
3013                 cp[6] = (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
3014                 cp[7] = (fsa_dev_ptr[cid].block_size) & 0xff;
3015                 scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
3016                 /* Do not cache partition table for arrays */
3017                 scsicmd->device->removable = 1;
3018                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3019                 break;
3020         }
3021
3022         case MODE_SENSE:
3023         {
3024                 int mode_buf_length = 4;
3025                 u32 capacity;
3026                 aac_modep_data mpd;
3027
3028                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
3029                         capacity = fsa_dev_ptr[cid].size - 1;
3030                 else
3031                         capacity = (u32)-1;
3032
3033                 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
3034                 memset((char *)&mpd, 0, sizeof(aac_modep_data));
3035
3036                 /* Mode data length */
3037                 mpd.hd.data_length = sizeof(mpd.hd) - 1;
3038                 /* Medium type - default */
3039                 mpd.hd.med_type = 0;
3040                 /* Device-specific param,
3041                    bit 8: 0/1 = write enabled/protected
3042                    bit 4: 0/1 = FUA enabled */
3043                 mpd.hd.dev_par = 0;
3044
3045                 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
3046                         mpd.hd.dev_par = 0x10;
3047                 if (scsicmd->cmnd[1] & 0x8)
3048                         mpd.hd.bd_length = 0;   /* Block descriptor length */
3049                 else {
3050                         mpd.hd.bd_length = sizeof(mpd.bd);
3051                         mpd.hd.data_length += mpd.hd.bd_length;
3052                         mpd.bd.block_length[0] =
3053                                 (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
3054                         mpd.bd.block_length[1] =
3055                                 (fsa_dev_ptr[cid].block_size >> 8) &  0xff;
3056                         mpd.bd.block_length[2] =
3057                                 fsa_dev_ptr[cid].block_size  & 0xff;
3058
3059                         mpd.mpc_buf[0] = scsicmd->cmnd[2];
3060                         if (scsicmd->cmnd[2] == 0x1C) {
3061                                 /* page length */
3062                                 mpd.mpc_buf[1] = 0xa;
3063                                 /* Mode data length */
3064                                 mpd.hd.data_length = 23;
3065                         } else {
3066                                 /* Mode data length */
3067                                 mpd.hd.data_length = 15;
3068                         }
3069
3070                         if (capacity > 0xffffff) {
3071                                 mpd.bd.block_count[0] = 0xff;
3072                                 mpd.bd.block_count[1] = 0xff;
3073                                 mpd.bd.block_count[2] = 0xff;
3074                         } else {
3075                                 mpd.bd.block_count[0] = (capacity >> 16) & 0xff;
3076                                 mpd.bd.block_count[1] = (capacity >> 8) & 0xff;
3077                                 mpd.bd.block_count[2] = capacity  & 0xff;
3078                         }
3079                 }
3080                 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
3081                   ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
3082                         mpd.hd.data_length += 3;
3083                         mpd.mpc_buf[0] = 8;
3084                         mpd.mpc_buf[1] = 1;
3085                         mpd.mpc_buf[2] = ((aac_cache & 6) == 2)
3086                                 ? 0 : 0x04; /* WCE */
3087                         mode_buf_length = sizeof(mpd);
3088                 }
3089
3090                 if (mode_buf_length > scsicmd->cmnd[4])
3091                         mode_buf_length = scsicmd->cmnd[4];
3092                 else
3093                         mode_buf_length = sizeof(mpd);
3094                 scsi_sg_copy_from_buffer(scsicmd,
3095                                          (char *)&mpd,
3096                                          mode_buf_length);
3097                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3098                 break;
3099         }
3100         case MODE_SENSE_10:
3101         {
3102                 u32 capacity;
3103                 int mode_buf_length = 8;
3104                 aac_modep10_data mpd10;
3105
3106                 if (fsa_dev_ptr[cid].size <= 0x100000000ULL)
3107                         capacity = fsa_dev_ptr[cid].size - 1;
3108                 else
3109                         capacity = (u32)-1;
3110
3111                 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
3112                 memset((char *)&mpd10, 0, sizeof(aac_modep10_data));
3113                 /* Mode data length (MSB) */
3114                 mpd10.hd.data_length[0] = 0;
3115                 /* Mode data length (LSB) */
3116                 mpd10.hd.data_length[1] = sizeof(mpd10.hd) - 1;
3117                 /* Medium type - default */
3118                 mpd10.hd.med_type = 0;
3119                 /* Device-specific param,
3120                    bit 8: 0/1 = write enabled/protected
3121                    bit 4: 0/1 = FUA enabled */
3122                 mpd10.hd.dev_par = 0;
3123
3124                 if (dev->raw_io_interface && ((aac_cache & 5) != 1))
3125                         mpd10.hd.dev_par = 0x10;
3126                 mpd10.hd.rsrvd[0] = 0;  /* reserved */
3127                 mpd10.hd.rsrvd[1] = 0;  /* reserved */
3128                 if (scsicmd->cmnd[1] & 0x8) {
3129                         /* Block descriptor length (MSB) */
3130                         mpd10.hd.bd_length[0] = 0;
3131                         /* Block descriptor length (LSB) */
3132                         mpd10.hd.bd_length[1] = 0;
3133                 } else {
3134                         mpd10.hd.bd_length[0] = 0;
3135                         mpd10.hd.bd_length[1] = sizeof(mpd10.bd);
3136
3137                         mpd10.hd.data_length[1] += mpd10.hd.bd_length[1];
3138
3139                         mpd10.bd.block_length[0] =
3140                                 (fsa_dev_ptr[cid].block_size >> 16) & 0xff;
3141                         mpd10.bd.block_length[1] =
3142                                 (fsa_dev_ptr[cid].block_size >> 8) & 0xff;
3143                         mpd10.bd.block_length[2] =
3144                                 fsa_dev_ptr[cid].block_size  & 0xff;
3145
3146                         if (capacity > 0xffffff) {
3147                                 mpd10.bd.block_count[0] = 0xff;
3148                                 mpd10.bd.block_count[1] = 0xff;
3149                                 mpd10.bd.block_count[2] = 0xff;
3150                         } else {
3151                                 mpd10.bd.block_count[0] =
3152                                         (capacity >> 16) & 0xff;
3153                                 mpd10.bd.block_count[1] =
3154                                         (capacity >> 8) & 0xff;
3155                                 mpd10.bd.block_count[2] =
3156                                         capacity  & 0xff;
3157                         }
3158                 }
3159                 if (((scsicmd->cmnd[2] & 0x3f) == 8) ||
3160                   ((scsicmd->cmnd[2] & 0x3f) == 0x3f)) {
3161                         mpd10.hd.data_length[1] += 3;
3162                         mpd10.mpc_buf[0] = 8;
3163                         mpd10.mpc_buf[1] = 1;
3164                         mpd10.mpc_buf[2] = ((aac_cache & 6) == 2)
3165                                 ? 0 : 0x04; /* WCE */
3166                         mode_buf_length = sizeof(mpd10);
3167                         if (mode_buf_length > scsicmd->cmnd[8])
3168                                 mode_buf_length = scsicmd->cmnd[8];
3169                 }
3170                 scsi_sg_copy_from_buffer(scsicmd,
3171                                          (char *)&mpd10,
3172                                          mode_buf_length);
3173
3174                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3175                 break;
3176         }
3177         case REQUEST_SENSE:
3178                 dprintk((KERN_DEBUG "REQUEST SENSE command.\n"));
3179                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
3180                                 sizeof(struct sense_data));
3181                 memset(&dev->fsa_dev[cid].sense_data, 0,
3182                                 sizeof(struct sense_data));
3183                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3184                 break;
3185
3186         case ALLOW_MEDIUM_REMOVAL:
3187                 dprintk((KERN_DEBUG "LOCK command.\n"));
3188                 if (scsicmd->cmnd[4])
3189                         fsa_dev_ptr[cid].locked = 1;
3190                 else
3191                         fsa_dev_ptr[cid].locked = 0;
3192
3193                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3194                 break;
3195         /*
3196          *      These commands are all No-Ops
3197          */
3198         case TEST_UNIT_READY:
3199                 if (fsa_dev_ptr[cid].sense_data.sense_key == NOT_READY) {
3200                         scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
3201                         set_sense(&dev->fsa_dev[cid].sense_data,
3202                                   NOT_READY, SENCODE_BECOMING_READY,
3203                                   ASENCODE_BECOMING_READY, 0, 0);
3204                         memcpy(scsicmd->sense_buffer,
3205                                &dev->fsa_dev[cid].sense_data,
3206                                min_t(size_t,
3207                                      sizeof(dev->fsa_dev[cid].sense_data),
3208                                      SCSI_SENSE_BUFFERSIZE));
3209                         break;
3210                 }
3211                 fallthrough;
3212         case RESERVE:
3213         case RELEASE:
3214         case REZERO_UNIT:
3215         case REASSIGN_BLOCKS:
3216         case SEEK_10:
3217                 scsicmd->result = DID_OK << 16 | SAM_STAT_GOOD;
3218                 break;
3219
3220         case START_STOP:
3221                 return aac_start_stop(scsicmd);
3222
3223         default:
3224         /*
3225          *      Unhandled commands
3226          */
3227                 dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n",
3228                                 scsicmd->cmnd[0]));
3229                 scsicmd->result = DID_OK << 16 | SAM_STAT_CHECK_CONDITION;
3230                 set_sense(&dev->fsa_dev[cid].sense_data,
3231                           ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND,
3232                           ASENCODE_INVALID_COMMAND, 0, 0);
3233                 memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
3234                                 min_t(size_t,
3235                                       sizeof(dev->fsa_dev[cid].sense_data),
3236                                       SCSI_SENSE_BUFFERSIZE));
3237         }
3238
3239 scsi_done_ret:
3240
3241         scsicmd->scsi_done(scsicmd);
3242         return 0;
3243 }
3244
3245 static int query_disk(struct aac_dev *dev, void __user *arg)
3246 {
3247         struct aac_query_disk qd;
3248         struct fsa_dev_info *fsa_dev_ptr;
3249
3250         fsa_dev_ptr = dev->fsa_dev;
3251         if (!fsa_dev_ptr)
3252                 return -EBUSY;
3253         if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk)))
3254                 return -EFAULT;
3255         if (qd.cnum == -1) {
3256                 if (qd.id < 0 || qd.id >= dev->maximum_num_containers)
3257                         return -EINVAL;
3258                 qd.cnum = qd.id;
3259         } else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) {
3260                 if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers)
3261                         return -EINVAL;
3262                 qd.instance = dev->scsi_host_ptr->host_no;
3263                 qd.bus = 0;
3264                 qd.id = CONTAINER_TO_ID(qd.cnum);
3265                 qd.lun = CONTAINER_TO_LUN(qd.cnum);
3266         }
3267         else return -EINVAL;
3268
3269         qd.valid = fsa_dev_ptr[qd.cnum].valid != 0;
3270         qd.locked = fsa_dev_ptr[qd.cnum].locked;
3271         qd.deleted = fsa_dev_ptr[qd.cnum].deleted;
3272
3273         if (fsa_dev_ptr[qd.cnum].devname[0] == '\0')
3274                 qd.unmapped = 1;
3275         else
3276                 qd.unmapped = 0;
3277
3278         strlcpy(qd.name, fsa_dev_ptr[qd.cnum].devname,
3279           min(sizeof(qd.name), sizeof(fsa_dev_ptr[qd.cnum].devname) + 1));
3280
3281         if (copy_to_user(arg, &qd, sizeof (struct aac_query_disk)))
3282                 return -EFAULT;
3283         return 0;
3284 }
3285
3286 static int force_delete_disk(struct aac_dev *dev, void __user *arg)
3287 {
3288         struct aac_delete_disk dd;
3289         struct fsa_dev_info *fsa_dev_ptr;
3290
3291         fsa_dev_ptr = dev->fsa_dev;
3292         if (!fsa_dev_ptr)
3293                 return -EBUSY;
3294
3295         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
3296                 return -EFAULT;
3297
3298         if (dd.cnum >= dev->maximum_num_containers)
3299                 return -EINVAL;
3300         /*
3301          *      Mark this container as being deleted.
3302          */
3303         fsa_dev_ptr[dd.cnum].deleted = 1;
3304         /*
3305          *      Mark the container as no longer valid
3306          */
3307         fsa_dev_ptr[dd.cnum].valid = 0;
3308         return 0;
3309 }
3310
3311 static int delete_disk(struct aac_dev *dev, void __user *arg)
3312 {
3313         struct aac_delete_disk dd;
3314         struct fsa_dev_info *fsa_dev_ptr;
3315
3316         fsa_dev_ptr = dev->fsa_dev;
3317         if (!fsa_dev_ptr)
3318                 return -EBUSY;
3319
3320         if (copy_from_user(&dd, arg, sizeof (struct aac_delete_disk)))
3321                 return -EFAULT;
3322
3323         if (dd.cnum >= dev->maximum_num_containers)
3324                 return -EINVAL;
3325         /*
3326          *      If the container is locked, it can not be deleted by the API.
3327          */
3328         if (fsa_dev_ptr[dd.cnum].locked)
3329                 return -EBUSY;
3330         else {
3331                 /*
3332                  *      Mark the container as no longer being valid.
3333                  */
3334                 fsa_dev_ptr[dd.cnum].valid = 0;
3335                 fsa_dev_ptr[dd.cnum].devname[0] = '\0';
3336                 return 0;
3337         }
3338 }
3339
3340 int aac_dev_ioctl(struct aac_dev *dev, unsigned int cmd, void __user *arg)
3341 {
3342         switch (cmd) {
3343         case FSACTL_QUERY_DISK:
3344                 return query_disk(dev, arg);
3345         case FSACTL_DELETE_DISK:
3346                 return delete_disk(dev, arg);
3347         case FSACTL_FORCE_DELETE_DISK:
3348                 return force_delete_disk(dev, arg);
3349         case FSACTL_GET_CONTAINERS:
3350                 return aac_get_containers(dev);
3351         default:
3352                 return -ENOTTY;
3353         }
3354 }
3355
3356 /**
3357  * aac_srb_callback
3358  * @context: the context set in the fib - here it is scsi cmd
3359  * @fibptr: pointer to the fib
3360  *
3361  * Handles the completion of a scsi command to a non dasd device
3362  */
3363 static void aac_srb_callback(void *context, struct fib * fibptr)
3364 {
3365         struct aac_srb_reply *srbreply;
3366         struct scsi_cmnd *scsicmd;
3367
3368         scsicmd = (struct scsi_cmnd *) context;
3369
3370         if (!aac_valid_context(scsicmd, fibptr))
3371                 return;
3372
3373         BUG_ON(fibptr == NULL);
3374
3375         srbreply = (struct aac_srb_reply *) fib_data(fibptr);
3376
3377         scsicmd->sense_buffer[0] = '\0';  /* Initialize sense valid flag to false */
3378
3379         if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) {
3380                 /* fast response */
3381                 srbreply->srb_status = cpu_to_le32(SRB_STATUS_SUCCESS);
3382                 srbreply->scsi_status = cpu_to_le32(SAM_STAT_GOOD);
3383         } else {
3384                 /*
3385                  *      Calculate resid for sg
3386                  */
3387                 scsi_set_resid(scsicmd, scsi_bufflen(scsicmd)
3388                                    - le32_to_cpu(srbreply->data_xfer_length));
3389         }
3390
3391
3392         scsi_dma_unmap(scsicmd);
3393
3394         /* expose physical device if expose_physicald flag is on */
3395         if (scsicmd->cmnd[0] == INQUIRY && !(scsicmd->cmnd[1] & 0x01)
3396           && expose_physicals > 0)
3397                 aac_expose_phy_device(scsicmd);
3398
3399         /*
3400          * First check the fib status
3401          */
3402
3403         if (le32_to_cpu(srbreply->status) != ST_OK) {
3404                 int len;
3405
3406                 pr_warn("aac_srb_callback: srb failed, status = %d\n",
3407                                 le32_to_cpu(srbreply->status));
3408                 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
3409                             SCSI_SENSE_BUFFERSIZE);
3410                 scsicmd->result = DID_ERROR << 16 | SAM_STAT_CHECK_CONDITION;
3411                 memcpy(scsicmd->sense_buffer,
3412                                 srbreply->sense_data, len);
3413         }
3414
3415         /*
3416          * Next check the srb status
3417          */
3418         switch ((le32_to_cpu(srbreply->srb_status))&0x3f) {
3419         case SRB_STATUS_ERROR_RECOVERY:
3420         case SRB_STATUS_PENDING:
3421         case SRB_STATUS_SUCCESS:
3422                 scsicmd->result = DID_OK << 16;
3423                 break;
3424         case SRB_STATUS_DATA_OVERRUN:
3425                 switch (scsicmd->cmnd[0]) {
3426                 case  READ_6:
3427                 case  WRITE_6:
3428                 case  READ_10:
3429                 case  WRITE_10:
3430                 case  READ_12:
3431                 case  WRITE_12:
3432                 case  READ_16:
3433                 case  WRITE_16:
3434                         if (le32_to_cpu(srbreply->data_xfer_length)
3435                                                 < scsicmd->underflow)
3436                                 pr_warn("aacraid: SCSI CMD underflow\n");
3437                         else
3438                                 pr_warn("aacraid: SCSI CMD Data Overrun\n");
3439                         scsicmd->result = DID_ERROR << 16;
3440                         break;
3441                 case INQUIRY:
3442                         scsicmd->result = DID_OK << 16;
3443                         break;
3444                 default:
3445                         scsicmd->result = DID_OK << 16;
3446                         break;
3447                 }
3448                 break;
3449         case SRB_STATUS_ABORTED:
3450                 scsicmd->result = DID_ABORT << 16;
3451                 break;
3452         case SRB_STATUS_ABORT_FAILED:
3453                 /*
3454                  * Not sure about this one - but assuming the
3455                  * hba was trying to abort for some reason
3456                  */
3457                 scsicmd->result = DID_ERROR << 16;
3458                 break;
3459         case SRB_STATUS_PARITY_ERROR:
3460                 scsicmd->result = DID_PARITY << 16;
3461                 break;
3462         case SRB_STATUS_NO_DEVICE:
3463         case SRB_STATUS_INVALID_PATH_ID:
3464         case SRB_STATUS_INVALID_TARGET_ID:
3465         case SRB_STATUS_INVALID_LUN:
3466         case SRB_STATUS_SELECTION_TIMEOUT:
3467                 scsicmd->result = DID_NO_CONNECT << 16;
3468                 break;
3469
3470         case SRB_STATUS_COMMAND_TIMEOUT:
3471         case SRB_STATUS_TIMEOUT:
3472                 scsicmd->result = DID_TIME_OUT << 16;
3473                 break;
3474
3475         case SRB_STATUS_BUSY:
3476                 scsicmd->result = DID_BUS_BUSY << 16;
3477                 break;
3478
3479         case SRB_STATUS_BUS_RESET:
3480                 scsicmd->result = DID_RESET << 16;
3481                 break;
3482
3483         case SRB_STATUS_MESSAGE_REJECTED:
3484                 scsicmd->result = DID_ERROR << 16;
3485                 break;
3486         case SRB_STATUS_REQUEST_FLUSHED:
3487         case SRB_STATUS_ERROR:
3488         case SRB_STATUS_INVALID_REQUEST:
3489         case SRB_STATUS_REQUEST_SENSE_FAILED:
3490         case SRB_STATUS_NO_HBA:
3491         case SRB_STATUS_UNEXPECTED_BUS_FREE:
3492         case SRB_STATUS_PHASE_SEQUENCE_FAILURE:
3493         case SRB_STATUS_BAD_SRB_BLOCK_LENGTH:
3494         case SRB_STATUS_DELAYED_RETRY:
3495         case SRB_STATUS_BAD_FUNCTION:
3496         case SRB_STATUS_NOT_STARTED:
3497         case SRB_STATUS_NOT_IN_USE:
3498         case SRB_STATUS_FORCE_ABORT:
3499         case SRB_STATUS_DOMAIN_VALIDATION_FAIL:
3500         default:
3501 #ifdef AAC_DETAILED_STATUS_INFO
3502                 pr_info("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x -scsi status 0x%x\n",
3503                         le32_to_cpu(srbreply->srb_status) & 0x3F,
3504                         aac_get_status_string(
3505                                 le32_to_cpu(srbreply->srb_status) & 0x3F),
3506                         scsicmd->cmnd[0],
3507                         le32_to_cpu(srbreply->scsi_status));
3508 #endif
3509                 /*
3510                  * When the CC bit is SET by the host in ATA pass thru CDB,
3511                  *  driver is supposed to return DID_OK
3512                  *
3513                  * When the CC bit is RESET by the host, driver should
3514                  *  return DID_ERROR
3515                  */
3516                 if ((scsicmd->cmnd[0] == ATA_12)
3517                         || (scsicmd->cmnd[0] == ATA_16)) {
3518
3519                         if (scsicmd->cmnd[2] & (0x01 << 5)) {
3520                                 scsicmd->result = DID_OK << 16;
3521                         } else {
3522                                 scsicmd->result = DID_ERROR << 16;
3523                         }
3524                 } else {
3525                         scsicmd->result = DID_ERROR << 16;
3526                 }
3527                 break;
3528         }
3529         if (le32_to_cpu(srbreply->scsi_status)
3530                         == SAM_STAT_CHECK_CONDITION) {
3531                 int len;
3532
3533                 scsicmd->result |= SAM_STAT_CHECK_CONDITION;
3534                 len = min_t(u32, le32_to_cpu(srbreply->sense_data_size),
3535                             SCSI_SENSE_BUFFERSIZE);
3536 #ifdef AAC_DETAILED_STATUS_INFO
3537                 pr_warn("aac_srb_callback: check condition, status = %d len=%d\n",
3538                                         le32_to_cpu(srbreply->status), len);
3539 #endif
3540                 memcpy(scsicmd->sense_buffer,
3541                                 srbreply->sense_data, len);
3542         }
3543
3544         /*
3545          * OR in the scsi status (already shifted up a bit)
3546          */
3547         scsicmd->result |= le32_to_cpu(srbreply->scsi_status);
3548
3549         aac_fib_complete(fibptr);
3550         scsicmd->scsi_done(scsicmd);
3551 }
3552
3553 static void hba_resp_task_complete(struct aac_dev *dev,
3554                                         struct scsi_cmnd *scsicmd,
3555                                         struct aac_hba_resp *err) {
3556
3557         scsicmd->result = err->status;
3558         /* set residual count */
3559         scsi_set_resid(scsicmd, le32_to_cpu(err->residual_count));
3560
3561         switch (err->status) {
3562         case SAM_STAT_GOOD:
3563                 scsicmd->result |= DID_OK << 16;
3564                 break;
3565         case SAM_STAT_CHECK_CONDITION:
3566         {
3567                 int len;
3568
3569                 len = min_t(u8, err->sense_response_data_len,
3570                         SCSI_SENSE_BUFFERSIZE);
3571                 if (len)
3572                         memcpy(scsicmd->sense_buffer,
3573                                 err->sense_response_buf, len);
3574                 scsicmd->result |= DID_OK << 16;
3575                 break;
3576         }
3577         case SAM_STAT_BUSY:
3578                 scsicmd->result |= DID_BUS_BUSY << 16;
3579                 break;
3580         case SAM_STAT_TASK_ABORTED:
3581                 scsicmd->result |= DID_ABORT << 16;
3582                 break;
3583         case SAM_STAT_RESERVATION_CONFLICT:
3584         case SAM_STAT_TASK_SET_FULL:
3585         default:
3586                 scsicmd->result |= DID_ERROR << 16;
3587                 break;
3588         }
3589 }
3590
3591 static void hba_resp_task_failure(struct aac_dev *dev,
3592                                         struct scsi_cmnd *scsicmd,
3593                                         struct aac_hba_resp *err)
3594 {
3595         switch (err->status) {
3596         case HBA_RESP_STAT_HBAMODE_DISABLED:
3597         {
3598                 u32 bus, cid;
3599
3600                 bus = aac_logical_to_phys(scmd_channel(scsicmd));
3601                 cid = scmd_id(scsicmd);
3602                 if (dev->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
3603                         dev->hba_map[bus][cid].devtype = AAC_DEVTYPE_ARC_RAW;
3604                         dev->hba_map[bus][cid].rmw_nexus = 0xffffffff;
3605                 }
3606                 scsicmd->result = DID_NO_CONNECT << 16;
3607                 break;
3608         }
3609         case HBA_RESP_STAT_IO_ERROR:
3610         case HBA_RESP_STAT_NO_PATH_TO_DEVICE:
3611                 scsicmd->result = DID_OK << 16 | SAM_STAT_BUSY;
3612                 break;
3613         case HBA_RESP_STAT_IO_ABORTED:
3614                 scsicmd->result = DID_ABORT << 16;
3615                 break;
3616         case HBA_RESP_STAT_INVALID_DEVICE:
3617                 scsicmd->result = DID_NO_CONNECT << 16;
3618                 break;
3619         case HBA_RESP_STAT_UNDERRUN:
3620                 /* UNDERRUN is OK */
3621                 scsicmd->result = DID_OK << 16;
3622                 break;
3623         case HBA_RESP_STAT_OVERRUN:
3624         default:
3625                 scsicmd->result = DID_ERROR << 16;
3626                 break;
3627         }
3628 }
3629
3630 /**
3631  * aac_hba_callback
3632  * @context: the context set in the fib - here it is scsi cmd
3633  * @fibptr: pointer to the fib
3634  *
3635  * Handles the completion of a native HBA scsi command
3636  */
3637 void aac_hba_callback(void *context, struct fib *fibptr)
3638 {
3639         struct aac_dev *dev;
3640         struct scsi_cmnd *scsicmd;
3641
3642         struct aac_hba_resp *err =
3643                         &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
3644
3645         scsicmd = (struct scsi_cmnd *) context;
3646
3647         if (!aac_valid_context(scsicmd, fibptr))
3648                 return;
3649
3650         WARN_ON(fibptr == NULL);
3651         dev = fibptr->dev;
3652
3653         if (!(fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA_TMF))
3654                 scsi_dma_unmap(scsicmd);
3655
3656         if (fibptr->flags & FIB_CONTEXT_FLAG_FASTRESP) {
3657                 /* fast response */
3658                 scsicmd->result = DID_OK << 16;
3659                 goto out;
3660         }
3661
3662         switch (err->service_response) {
3663         case HBA_RESP_SVCRES_TASK_COMPLETE:
3664                 hba_resp_task_complete(dev, scsicmd, err);
3665                 break;
3666         case HBA_RESP_SVCRES_FAILURE:
3667                 hba_resp_task_failure(dev, scsicmd, err);
3668                 break;
3669         case HBA_RESP_SVCRES_TMF_REJECTED:
3670                 scsicmd->result = DID_ERROR << 16;
3671                 break;
3672         case HBA_RESP_SVCRES_TMF_LUN_INVALID:
3673                 scsicmd->result = DID_NO_CONNECT << 16;
3674                 break;
3675         case HBA_RESP_SVCRES_TMF_COMPLETE:
3676         case HBA_RESP_SVCRES_TMF_SUCCEEDED:
3677                 scsicmd->result = DID_OK << 16;
3678                 break;
3679         default:
3680                 scsicmd->result = DID_ERROR << 16;
3681                 break;
3682         }
3683
3684 out:
3685         aac_fib_complete(fibptr);
3686
3687         if (fibptr->flags & FIB_CONTEXT_FLAG_NATIVE_HBA_TMF)
3688                 scsicmd->SCp.sent_command = 1;
3689         else
3690                 scsicmd->scsi_done(scsicmd);
3691 }
3692
3693 /**
3694  * aac_send_srb_fib
3695  * @scsicmd: the scsi command block
3696  *
3697  * This routine will form a FIB and fill in the aac_srb from the
3698  * scsicmd passed in.
3699  */
3700 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
3701 {
3702         struct fib* cmd_fibcontext;
3703         struct aac_dev* dev;
3704         int status;
3705
3706         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
3707         if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
3708                         scsicmd->device->lun > 7) {
3709                 scsicmd->result = DID_NO_CONNECT << 16;
3710                 scsicmd->scsi_done(scsicmd);
3711                 return 0;
3712         }
3713
3714         /*
3715          *      Allocate and initialize a Fib then setup a BlockWrite command
3716          */
3717         cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
3718         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
3719         status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
3720
3721         /*
3722          *      Check that the command queued to the controller
3723          */
3724         if (status == -EINPROGRESS)
3725                 return 0;
3726
3727         printk(KERN_WARNING "aac_srb: aac_fib_send failed with status: %d\n", status);
3728         aac_fib_complete(cmd_fibcontext);
3729         aac_fib_free(cmd_fibcontext);
3730
3731         return -1;
3732 }
3733
3734 /**
3735  * aac_send_hba_fib
3736  * @scsicmd: the scsi command block
3737  *
3738  * This routine will form a FIB and fill in the aac_hba_cmd_req from the
3739  * scsicmd passed in.
3740  */
3741 static int aac_send_hba_fib(struct scsi_cmnd *scsicmd)
3742 {
3743         struct fib *cmd_fibcontext;
3744         struct aac_dev *dev;
3745         int status;
3746
3747         dev = shost_priv(scsicmd->device->host);
3748         if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
3749                         scsicmd->device->lun > AAC_MAX_LUN - 1) {
3750                 scsicmd->result = DID_NO_CONNECT << 16;
3751                 scsicmd->scsi_done(scsicmd);
3752                 return 0;
3753         }
3754
3755         /*
3756          *      Allocate and initialize a Fib then setup a BlockWrite command
3757          */
3758         cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
3759         if (!cmd_fibcontext)
3760                 return -1;
3761
3762         scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
3763         status = aac_adapter_hba(cmd_fibcontext, scsicmd);
3764
3765         /*
3766          *      Check that the command queued to the controller
3767          */
3768         if (status == -EINPROGRESS)
3769                 return 0;
3770
3771         pr_warn("aac_hba_cmd_req: aac_fib_send failed with status: %d\n",
3772                 status);
3773         aac_fib_complete(cmd_fibcontext);
3774         aac_fib_free(cmd_fibcontext);
3775
3776         return -1;
3777 }
3778
3779
3780 static long aac_build_sg(struct scsi_cmnd *scsicmd, struct sgmap *psg)
3781 {
3782         unsigned long byte_count = 0;
3783         int nseg;
3784         struct scatterlist *sg;
3785         int i;
3786
3787         // Get rid of old data
3788         psg->count = 0;
3789         psg->sg[0].addr = 0;
3790         psg->sg[0].count = 0;
3791
3792         nseg = scsi_dma_map(scsicmd);
3793         if (nseg <= 0)
3794                 return nseg;
3795
3796         psg->count = cpu_to_le32(nseg);
3797
3798         scsi_for_each_sg(scsicmd, sg, nseg, i) {
3799                 psg->sg[i].addr = cpu_to_le32(sg_dma_address(sg));
3800                 psg->sg[i].count = cpu_to_le32(sg_dma_len(sg));
3801                 byte_count += sg_dma_len(sg);
3802         }
3803         /* hba wants the size to be exact */
3804         if (byte_count > scsi_bufflen(scsicmd)) {
3805                 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3806                         (byte_count - scsi_bufflen(scsicmd));
3807                 psg->sg[i-1].count = cpu_to_le32(temp);
3808                 byte_count = scsi_bufflen(scsicmd);
3809         }
3810         /* Check for command underflow */
3811         if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
3812                 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3813                        byte_count, scsicmd->underflow);
3814         }
3815
3816         return byte_count;
3817 }
3818
3819
3820 static long aac_build_sg64(struct scsi_cmnd *scsicmd, struct sgmap64 *psg)
3821 {
3822         unsigned long byte_count = 0;
3823         u64 addr;
3824         int nseg;
3825         struct scatterlist *sg;
3826         int i;
3827
3828         // Get rid of old data
3829         psg->count = 0;
3830         psg->sg[0].addr[0] = 0;
3831         psg->sg[0].addr[1] = 0;
3832         psg->sg[0].count = 0;
3833
3834         nseg = scsi_dma_map(scsicmd);
3835         if (nseg <= 0)
3836                 return nseg;
3837
3838         scsi_for_each_sg(scsicmd, sg, nseg, i) {
3839                 int count = sg_dma_len(sg);
3840                 addr = sg_dma_address(sg);
3841                 psg->sg[i].addr[0] = cpu_to_le32(addr & 0xffffffff);
3842                 psg->sg[i].addr[1] = cpu_to_le32(addr>>32);
3843                 psg->sg[i].count = cpu_to_le32(count);
3844                 byte_count += count;
3845         }
3846         psg->count = cpu_to_le32(nseg);
3847         /* hba wants the size to be exact */
3848         if (byte_count > scsi_bufflen(scsicmd)) {
3849                 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3850                         (byte_count - scsi_bufflen(scsicmd));
3851                 psg->sg[i-1].count = cpu_to_le32(temp);
3852                 byte_count = scsi_bufflen(scsicmd);
3853         }
3854         /* Check for command underflow */
3855         if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
3856                 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3857                        byte_count, scsicmd->underflow);
3858         }
3859
3860         return byte_count;
3861 }
3862
3863 static long aac_build_sgraw(struct scsi_cmnd *scsicmd, struct sgmapraw *psg)
3864 {
3865         unsigned long byte_count = 0;
3866         int nseg;
3867         struct scatterlist *sg;
3868         int i;
3869
3870         // Get rid of old data
3871         psg->count = 0;
3872         psg->sg[0].next = 0;
3873         psg->sg[0].prev = 0;
3874         psg->sg[0].addr[0] = 0;
3875         psg->sg[0].addr[1] = 0;
3876         psg->sg[0].count = 0;
3877         psg->sg[0].flags = 0;
3878
3879         nseg = scsi_dma_map(scsicmd);
3880         if (nseg <= 0)
3881                 return nseg;
3882
3883         scsi_for_each_sg(scsicmd, sg, nseg, i) {
3884                 int count = sg_dma_len(sg);
3885                 u64 addr = sg_dma_address(sg);
3886                 psg->sg[i].next = 0;
3887                 psg->sg[i].prev = 0;
3888                 psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
3889                 psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
3890                 psg->sg[i].count = cpu_to_le32(count);
3891                 psg->sg[i].flags = 0;
3892                 byte_count += count;
3893         }
3894         psg->count = cpu_to_le32(nseg);
3895         /* hba wants the size to be exact */
3896         if (byte_count > scsi_bufflen(scsicmd)) {
3897                 u32 temp = le32_to_cpu(psg->sg[i-1].count) -
3898                         (byte_count - scsi_bufflen(scsicmd));
3899                 psg->sg[i-1].count = cpu_to_le32(temp);
3900                 byte_count = scsi_bufflen(scsicmd);
3901         }
3902         /* Check for command underflow */
3903         if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
3904                 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3905                        byte_count, scsicmd->underflow);
3906         }
3907
3908         return byte_count;
3909 }
3910
3911 static long aac_build_sgraw2(struct scsi_cmnd *scsicmd,
3912                                 struct aac_raw_io2 *rio2, int sg_max)
3913 {
3914         unsigned long byte_count = 0;
3915         int nseg;
3916         struct scatterlist *sg;
3917         int i, conformable = 0;
3918         u32 min_size = PAGE_SIZE, cur_size;
3919
3920         nseg = scsi_dma_map(scsicmd);
3921         if (nseg <= 0)
3922                 return nseg;
3923
3924         scsi_for_each_sg(scsicmd, sg, nseg, i) {
3925                 int count = sg_dma_len(sg);
3926                 u64 addr = sg_dma_address(sg);
3927
3928                 BUG_ON(i >= sg_max);
3929                 rio2->sge[i].addrHigh = cpu_to_le32((u32)(addr>>32));
3930                 rio2->sge[i].addrLow = cpu_to_le32((u32)(addr & 0xffffffff));
3931                 cur_size = cpu_to_le32(count);
3932                 rio2->sge[i].length = cur_size;
3933                 rio2->sge[i].flags = 0;
3934                 if (i == 0) {
3935                         conformable = 1;
3936                         rio2->sgeFirstSize = cur_size;
3937                 } else if (i == 1) {
3938                         rio2->sgeNominalSize = cur_size;
3939                         min_size = cur_size;
3940                 } else if ((i+1) < nseg && cur_size != rio2->sgeNominalSize) {
3941                         conformable = 0;
3942                         if (cur_size < min_size)
3943                                 min_size = cur_size;
3944                 }
3945                 byte_count += count;
3946         }
3947
3948         /* hba wants the size to be exact */
3949         if (byte_count > scsi_bufflen(scsicmd)) {
3950                 u32 temp = le32_to_cpu(rio2->sge[i-1].length) -
3951                         (byte_count - scsi_bufflen(scsicmd));
3952                 rio2->sge[i-1].length = cpu_to_le32(temp);
3953                 byte_count = scsi_bufflen(scsicmd);
3954         }
3955
3956         rio2->sgeCnt = cpu_to_le32(nseg);
3957         rio2->flags |= cpu_to_le16(RIO2_SG_FORMAT_IEEE1212);
3958         /* not conformable: evaluate required sg elements */
3959         if (!conformable) {
3960                 int j, nseg_new = nseg, err_found;
3961                 for (i = min_size / PAGE_SIZE; i >= 1; --i) {
3962                         err_found = 0;
3963                         nseg_new = 2;
3964                         for (j = 1; j < nseg - 1; ++j) {
3965                                 if (rio2->sge[j].length % (i*PAGE_SIZE)) {
3966                                         err_found = 1;
3967                                         break;
3968                                 }
3969                                 nseg_new += (rio2->sge[j].length / (i*PAGE_SIZE));
3970                         }
3971                         if (!err_found)
3972                                 break;
3973                 }
3974                 if (i > 0 && nseg_new <= sg_max) {
3975                         int ret = aac_convert_sgraw2(rio2, i, nseg, nseg_new);
3976
3977                         if (ret < 0)
3978                                 return ret;
3979                 }
3980         } else
3981                 rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
3982
3983         /* Check for command underflow */
3984         if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
3985                 printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
3986                        byte_count, scsicmd->underflow);
3987         }
3988
3989         return byte_count;
3990 }
3991
3992 static int aac_convert_sgraw2(struct aac_raw_io2 *rio2, int pages, int nseg, int nseg_new)
3993 {
3994         struct sge_ieee1212 *sge;
3995         int i, j, pos;
3996         u32 addr_low;
3997
3998         if (aac_convert_sgl == 0)
3999                 return 0;
4000
4001         sge = kmalloc_array(nseg_new, sizeof(*sge), GFP_ATOMIC);
4002         if (sge == NULL)
4003                 return -ENOMEM;
4004
4005         for (i = 1, pos = 1; i < nseg-1; ++i) {
4006                 for (j = 0; j < rio2->sge[i].length / (pages * PAGE_SIZE); ++j) {
4007                         addr_low = rio2->sge[i].addrLow + j * pages * PAGE_SIZE;
4008                         sge[pos].addrLow = addr_low;
4009                         sge[pos].addrHigh = rio2->sge[i].addrHigh;
4010                         if (addr_low < rio2->sge[i].addrLow)
4011                                 sge[pos].addrHigh++;
4012                         sge[pos].length = pages * PAGE_SIZE;
4013                         sge[pos].flags = 0;
4014                         pos++;
4015                 }
4016         }
4017         sge[pos] = rio2->sge[nseg-1];
4018         memcpy(&rio2->sge[1], &sge[1], (nseg_new-1)*sizeof(struct sge_ieee1212));
4019
4020         kfree(sge);
4021         rio2->sgeCnt = cpu_to_le32(nseg_new);
4022         rio2->flags |= cpu_to_le16(RIO2_SGL_CONFORMANT);
4023         rio2->sgeNominalSize = pages * PAGE_SIZE;
4024         return 0;
4025 }
4026
4027 static long aac_build_sghba(struct scsi_cmnd *scsicmd,
4028                         struct aac_hba_cmd_req *hbacmd,
4029                         int sg_max,
4030                         u64 sg_address)
4031 {
4032         unsigned long byte_count = 0;
4033         int nseg;
4034         struct scatterlist *sg;
4035         int i;
4036         u32 cur_size;
4037         struct aac_hba_sgl *sge;
4038
4039         nseg = scsi_dma_map(scsicmd);
4040         if (nseg <= 0) {
4041                 byte_count = nseg;
4042                 goto out;
4043         }
4044
4045         if (nseg > HBA_MAX_SG_EMBEDDED)
4046                 sge = &hbacmd->sge[2];
4047         else
4048                 sge = &hbacmd->sge[0];
4049
4050         scsi_for_each_sg(scsicmd, sg, nseg, i) {
4051                 int count = sg_dma_len(sg);
4052                 u64 addr = sg_dma_address(sg);
4053
4054                 WARN_ON(i >= sg_max);
4055                 sge->addr_hi = cpu_to_le32((u32)(addr>>32));
4056                 sge->addr_lo = cpu_to_le32((u32)(addr & 0xffffffff));
4057                 cur_size = cpu_to_le32(count);
4058                 sge->len = cur_size;
4059                 sge->flags = 0;
4060                 byte_count += count;
4061                 sge++;
4062         }
4063
4064         sge--;
4065         /* hba wants the size to be exact */
4066         if (byte_count > scsi_bufflen(scsicmd)) {
4067                 u32 temp;
4068
4069                 temp = le32_to_cpu(sge->len) - byte_count
4070                                                 - scsi_bufflen(scsicmd);
4071                 sge->len = cpu_to_le32(temp);
4072                 byte_count = scsi_bufflen(scsicmd);
4073         }
4074
4075         if (nseg <= HBA_MAX_SG_EMBEDDED) {
4076                 hbacmd->emb_data_desc_count = cpu_to_le32(nseg);
4077                 sge->flags = cpu_to_le32(0x40000000);
4078         } else {
4079                 /* not embedded */
4080                 hbacmd->sge[0].flags = cpu_to_le32(0x80000000);
4081                 hbacmd->emb_data_desc_count = (u8)cpu_to_le32(1);
4082                 hbacmd->sge[0].addr_hi = (u32)cpu_to_le32(sg_address >> 32);
4083                 hbacmd->sge[0].addr_lo =
4084                         cpu_to_le32((u32)(sg_address & 0xffffffff));
4085         }
4086
4087         /* Check for command underflow */
4088         if (scsicmd->underflow && (byte_count < scsicmd->underflow)) {
4089                 pr_warn("aacraid: cmd len %08lX cmd underflow %08X\n",
4090                                 byte_count, scsicmd->underflow);
4091         }
4092 out:
4093         return byte_count;
4094 }
4095
4096 #ifdef AAC_DETAILED_STATUS_INFO
4097
4098 struct aac_srb_status_info {
4099         u32     status;
4100         char    *str;
4101 };
4102
4103
4104 static struct aac_srb_status_info srb_status_info[] = {
4105         { SRB_STATUS_PENDING,           "Pending Status"},
4106         { SRB_STATUS_SUCCESS,           "Success"},
4107         { SRB_STATUS_ABORTED,           "Aborted Command"},
4108         { SRB_STATUS_ABORT_FAILED,      "Abort Failed"},
4109         { SRB_STATUS_ERROR,             "Error Event"},
4110         { SRB_STATUS_BUSY,              "Device Busy"},
4111         { SRB_STATUS_INVALID_REQUEST,   "Invalid Request"},
4112         { SRB_STATUS_INVALID_PATH_ID,   "Invalid Path ID"},
4113         { SRB_STATUS_NO_DEVICE,         "No Device"},
4114         { SRB_STATUS_TIMEOUT,           "Timeout"},
4115         { SRB_STATUS_SELECTION_TIMEOUT, "Selection Timeout"},
4116         { SRB_STATUS_COMMAND_TIMEOUT,   "Command Timeout"},
4117         { SRB_STATUS_MESSAGE_REJECTED,  "Message Rejected"},
4118         { SRB_STATUS_BUS_RESET,         "Bus Reset"},
4119         { SRB_STATUS_PARITY_ERROR,      "Parity Error"},
4120         { SRB_STATUS_REQUEST_SENSE_FAILED,"Request Sense Failed"},
4121         { SRB_STATUS_NO_HBA,            "No HBA"},
4122         { SRB_STATUS_DATA_OVERRUN,      "Data Overrun/Data Underrun"},
4123         { SRB_STATUS_UNEXPECTED_BUS_FREE,"Unexpected Bus Free"},
4124         { SRB_STATUS_PHASE_SEQUENCE_FAILURE,"Phase Error"},
4125         { SRB_STATUS_BAD_SRB_BLOCK_LENGTH,"Bad Srb Block Length"},
4126         { SRB_STATUS_REQUEST_FLUSHED,   "Request Flushed"},
4127         { SRB_STATUS_DELAYED_RETRY,     "Delayed Retry"},
4128         { SRB_STATUS_INVALID_LUN,       "Invalid LUN"},
4129         { SRB_STATUS_INVALID_TARGET_ID, "Invalid TARGET ID"},
4130         { SRB_STATUS_BAD_FUNCTION,      "Bad Function"},
4131         { SRB_STATUS_ERROR_RECOVERY,    "Error Recovery"},
4132         { SRB_STATUS_NOT_STARTED,       "Not Started"},
4133         { SRB_STATUS_NOT_IN_USE,        "Not In Use"},
4134         { SRB_STATUS_FORCE_ABORT,       "Force Abort"},
4135         { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"},
4136         { 0xff,                         "Unknown Error"}
4137 };
4138
4139 char *aac_get_status_string(u32 status)
4140 {
4141         int i;
4142
4143         for (i = 0; i < ARRAY_SIZE(srb_status_info); i++)
4144                 if (srb_status_info[i].status == status)
4145                         return srb_status_info[i].str;
4146
4147         return "Bad Status Code";
4148 }
4149
4150 #endif