drivers/scsi/aacraid/aachba.c

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