drivers/scsi/megaraid/megaraid_sas.h

   1 /*
   2  *
   3  *              Linux MegaRAID driver for SAS based RAID controllers
   4  *
   5  * Copyright (c) 2003-2005  LSI Corporation.
   6  *
   7  *              This program is free software; you can redistribute it and/or
   8  *              modify it under the terms of the GNU General Public License
   9  *              as published by the Free Software Foundation; either version
  10  *              2 of the License, or (at your option) any later version.
  11  *
  12  * FILE         : megaraid_sas.h
  13  */
  14
  15 #ifndef LSI_MEGARAID_SAS_H
  16 #define LSI_MEGARAID_SAS_H
  17
  18 /*
  19  * MegaRAID SAS Driver meta data
  20  */
  21 #define MEGASAS_VERSION                 "00.00.04.31-rc1"
  22 #define MEGASAS_RELDATE                 "May 3, 2010"
  23 #define MEGASAS_EXT_VERSION             "Mon. May 3, 11:41:51 PST 2010"
  24
  25 /*
  26  * Device IDs
  27  */
  28 #define PCI_DEVICE_ID_LSI_SAS1078R              0x0060
  29 #define PCI_DEVICE_ID_LSI_SAS1078DE             0x007C
  30 #define PCI_DEVICE_ID_LSI_VERDE_ZCR             0x0413
  31 #define PCI_DEVICE_ID_LSI_SAS1078GEN2           0x0078
  32 #define PCI_DEVICE_ID_LSI_SAS0079GEN2           0x0079
  33 #define PCI_DEVICE_ID_LSI_SAS0073SKINNY         0x0073
  34 #define PCI_DEVICE_ID_LSI_SAS0071SKINNY         0x0071
  35
  36 /*
  37  * =====================================
  38  * MegaRAID SAS MFI firmware definitions
  39  * =====================================
  40  */
  41
  42 /*
  43  * MFI stands for  MegaRAID SAS FW Interface. This is just a moniker for
  44  * protocol between the software and firmware. Commands are issued using
  45  * "message frames"
  46  */
  47
  48 /*
  49  * FW posts its state in upper 4 bits of outbound_msg_0 register
  50  */
  51 #define MFI_STATE_MASK                          0xF0000000
  52 #define MFI_STATE_UNDEFINED                     0x00000000
  53 #define MFI_STATE_BB_INIT                       0x10000000
  54 #define MFI_STATE_FW_INIT                       0x40000000
  55 #define MFI_STATE_WAIT_HANDSHAKE                0x60000000
  56 #define MFI_STATE_FW_INIT_2                     0x70000000
  57 #define MFI_STATE_DEVICE_SCAN                   0x80000000
  58 #define MFI_STATE_BOOT_MESSAGE_PENDING          0x90000000
  59 #define MFI_STATE_FLUSH_CACHE                   0xA0000000
  60 #define MFI_STATE_READY                         0xB0000000
  61 #define MFI_STATE_OPERATIONAL                   0xC0000000
  62 #define MFI_STATE_FAULT                         0xF0000000
  63 #define  MFI_RESET_REQUIRED                     0x00000001
  64
  65 #define MEGAMFI_FRAME_SIZE                      64
  66
  67 /*
  68  * During FW init, clear pending cmds & reset state using inbound_msg_0
  69  *
  70  * ABORT        : Abort all pending cmds
  71  * READY        : Move from OPERATIONAL to READY state; discard queue info
  72  * MFIMODE      : Discard (possible) low MFA posted in 64-bit mode (??)
  73  * CLR_HANDSHAKE: FW is waiting for HANDSHAKE from BIOS or Driver
  74  * HOTPLUG      : Resume from Hotplug
  75  * MFI_STOP_ADP : Send signal to FW to stop processing
  76  */
  77 #define WRITE_SEQUENCE_OFFSET           (0x0000000FC) /* I20 */
  78 #define HOST_DIAGNOSTIC_OFFSET          (0x000000F8)  /* I20 */
  79 #define DIAG_WRITE_ENABLE                       (0x00000080)
  80 #define DIAG_RESET_ADAPTER                      (0x00000004)
  81
  82 #define MFI_ADP_RESET                           0x00000040
  83 #define MFI_INIT_ABORT                          0x00000001
  84 #define MFI_INIT_READY                          0x00000002
  85 #define MFI_INIT_MFIMODE                        0x00000004
  86 #define MFI_INIT_CLEAR_HANDSHAKE                0x00000008
  87 #define MFI_INIT_HOTPLUG                        0x00000010
  88 #define MFI_STOP_ADP                            0x00000020
  89 #define MFI_RESET_FLAGS                         MFI_INIT_READY| \
  90                                                 MFI_INIT_MFIMODE| \
  91                                                 MFI_INIT_ABORT
  92
  93 /*
  94  * MFI frame flags
  95  */
  96 #define MFI_FRAME_POST_IN_REPLY_QUEUE           0x0000
  97 #define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE      0x0001
  98 #define MFI_FRAME_SGL32                         0x0000
  99 #define MFI_FRAME_SGL64                         0x0002
 100 #define MFI_FRAME_SENSE32                       0x0000
 101 #define MFI_FRAME_SENSE64                       0x0004
 102 #define MFI_FRAME_DIR_NONE                      0x0000
 103 #define MFI_FRAME_DIR_WRITE                     0x0008
 104 #define MFI_FRAME_DIR_READ                      0x0010
 105 #define MFI_FRAME_DIR_BOTH                      0x0018
 106 #define MFI_FRAME_IEEE                          0x0020
 107
 108 /*
 109  * Definition for cmd_status
 110  */
 111 #define MFI_CMD_STATUS_POLL_MODE                0xFF
 112
 113 /*
 114  * MFI command opcodes
 115  */
 116 #define MFI_CMD_INIT                            0x00
 117 #define MFI_CMD_LD_READ                         0x01
 118 #define MFI_CMD_LD_WRITE                        0x02
 119 #define MFI_CMD_LD_SCSI_IO                      0x03
 120 #define MFI_CMD_PD_SCSI_IO                      0x04
 121 #define MFI_CMD_DCMD                            0x05
 122 #define MFI_CMD_ABORT                           0x06
 123 #define MFI_CMD_SMP                             0x07
 124 #define MFI_CMD_STP                             0x08
 125
 126 #define MR_DCMD_CTRL_GET_INFO                   0x01010000
 127 #define MR_DCMD_LD_GET_LIST                     0x03010000
 128
 129 #define MR_DCMD_CTRL_CACHE_FLUSH                0x01101000
 130 #define MR_FLUSH_CTRL_CACHE                     0x01
 131 #define MR_FLUSH_DISK_CACHE                     0x02
 132
 133 #define MR_DCMD_CTRL_SHUTDOWN                   0x01050000
 134 #define MR_DCMD_HIBERNATE_SHUTDOWN              0x01060000
 135 #define MR_ENABLE_DRIVE_SPINDOWN                0x01
 136
 137 #define MR_DCMD_CTRL_EVENT_GET_INFO             0x01040100
 138 #define MR_DCMD_CTRL_EVENT_GET                  0x01040300
 139 #define MR_DCMD_CTRL_EVENT_WAIT                 0x01040500
 140 #define MR_DCMD_LD_GET_PROPERTIES               0x03030000
 141
 142 #define MR_DCMD_CLUSTER                         0x08000000
 143 #define MR_DCMD_CLUSTER_RESET_ALL               0x08010100
 144 #define MR_DCMD_CLUSTER_RESET_LD                0x08010200
 145 #define MR_DCMD_PD_LIST_QUERY                   0x02010100
 146
 147 /*
 148  * MFI command completion codes
 149  */
 150 enum MFI_STAT {
 151         MFI_STAT_OK = 0x00,
 152         MFI_STAT_INVALID_CMD = 0x01,
 153         MFI_STAT_INVALID_DCMD = 0x02,
 154         MFI_STAT_INVALID_PARAMETER = 0x03,
 155         MFI_STAT_INVALID_SEQUENCE_NUMBER = 0x04,
 156         MFI_STAT_ABORT_NOT_POSSIBLE = 0x05,
 157         MFI_STAT_APP_HOST_CODE_NOT_FOUND = 0x06,
 158         MFI_STAT_APP_IN_USE = 0x07,
 159         MFI_STAT_APP_NOT_INITIALIZED = 0x08,
 160         MFI_STAT_ARRAY_INDEX_INVALID = 0x09,
 161         MFI_STAT_ARRAY_ROW_NOT_EMPTY = 0x0a,
 162         MFI_STAT_CONFIG_RESOURCE_CONFLICT = 0x0b,
 163         MFI_STAT_DEVICE_NOT_FOUND = 0x0c,
 164         MFI_STAT_DRIVE_TOO_SMALL = 0x0d,
 165         MFI_STAT_FLASH_ALLOC_FAIL = 0x0e,
 166         MFI_STAT_FLASH_BUSY = 0x0f,
 167         MFI_STAT_FLASH_ERROR = 0x10,
 168         MFI_STAT_FLASH_IMAGE_BAD = 0x11,
 169         MFI_STAT_FLASH_IMAGE_INCOMPLETE = 0x12,
 170         MFI_STAT_FLASH_NOT_OPEN = 0x13,
 171         MFI_STAT_FLASH_NOT_STARTED = 0x14,
 172         MFI_STAT_FLUSH_FAILED = 0x15,
 173         MFI_STAT_HOST_CODE_NOT_FOUNT = 0x16,
 174         MFI_STAT_LD_CC_IN_PROGRESS = 0x17,
 175         MFI_STAT_LD_INIT_IN_PROGRESS = 0x18,
 176         MFI_STAT_LD_LBA_OUT_OF_RANGE = 0x19,
 177         MFI_STAT_LD_MAX_CONFIGURED = 0x1a,
 178         MFI_STAT_LD_NOT_OPTIMAL = 0x1b,
 179         MFI_STAT_LD_RBLD_IN_PROGRESS = 0x1c,
 180         MFI_STAT_LD_RECON_IN_PROGRESS = 0x1d,
 181         MFI_STAT_LD_WRONG_RAID_LEVEL = 0x1e,
 182         MFI_STAT_MAX_SPARES_EXCEEDED = 0x1f,
 183         MFI_STAT_MEMORY_NOT_AVAILABLE = 0x20,
 184         MFI_STAT_MFC_HW_ERROR = 0x21,
 185         MFI_STAT_NO_HW_PRESENT = 0x22,
 186         MFI_STAT_NOT_FOUND = 0x23,
 187         MFI_STAT_NOT_IN_ENCL = 0x24,
 188         MFI_STAT_PD_CLEAR_IN_PROGRESS = 0x25,
 189         MFI_STAT_PD_TYPE_WRONG = 0x26,
 190         MFI_STAT_PR_DISABLED = 0x27,
 191         MFI_STAT_ROW_INDEX_INVALID = 0x28,
 192         MFI_STAT_SAS_CONFIG_INVALID_ACTION = 0x29,
 193         MFI_STAT_SAS_CONFIG_INVALID_DATA = 0x2a,
 194         MFI_STAT_SAS_CONFIG_INVALID_PAGE = 0x2b,
 195         MFI_STAT_SAS_CONFIG_INVALID_TYPE = 0x2c,
 196         MFI_STAT_SCSI_DONE_WITH_ERROR = 0x2d,
 197         MFI_STAT_SCSI_IO_FAILED = 0x2e,
 198         MFI_STAT_SCSI_RESERVATION_CONFLICT = 0x2f,
 199         MFI_STAT_SHUTDOWN_FAILED = 0x30,
 200         MFI_STAT_TIME_NOT_SET = 0x31,
 201         MFI_STAT_WRONG_STATE = 0x32,
 202         MFI_STAT_LD_OFFLINE = 0x33,
 203         MFI_STAT_PEER_NOTIFICATION_REJECTED = 0x34,
 204         MFI_STAT_PEER_NOTIFICATION_FAILED = 0x35,
 205         MFI_STAT_RESERVATION_IN_PROGRESS = 0x36,
 206         MFI_STAT_I2C_ERRORS_DETECTED = 0x37,
 207         MFI_STAT_PCI_ERRORS_DETECTED = 0x38,
 208
 209         MFI_STAT_INVALID_STATUS = 0xFF
 210 };
 211
 212 /*
 213  * Number of mailbox bytes in DCMD message frame
 214  */
 215 #define MFI_MBOX_SIZE                           12
 216
 217 enum MR_EVT_CLASS {
 218
 219         MR_EVT_CLASS_DEBUG = -2,
 220         MR_EVT_CLASS_PROGRESS = -1,
 221         MR_EVT_CLASS_INFO = 0,
 222         MR_EVT_CLASS_WARNING = 1,
 223         MR_EVT_CLASS_CRITICAL = 2,
 224         MR_EVT_CLASS_FATAL = 3,
 225         MR_EVT_CLASS_DEAD = 4,
 226
 227 };
 228
 229 enum MR_EVT_LOCALE {
 230
 231         MR_EVT_LOCALE_LD = 0x0001,
 232         MR_EVT_LOCALE_PD = 0x0002,
 233         MR_EVT_LOCALE_ENCL = 0x0004,
 234         MR_EVT_LOCALE_BBU = 0x0008,
 235         MR_EVT_LOCALE_SAS = 0x0010,
 236         MR_EVT_LOCALE_CTRL = 0x0020,
 237         MR_EVT_LOCALE_CONFIG = 0x0040,
 238         MR_EVT_LOCALE_CLUSTER = 0x0080,
 239         MR_EVT_LOCALE_ALL = 0xffff,
 240
 241 };
 242
 243 enum MR_EVT_ARGS {
 244
 245         MR_EVT_ARGS_NONE,
 246         MR_EVT_ARGS_CDB_SENSE,
 247         MR_EVT_ARGS_LD,
 248         MR_EVT_ARGS_LD_COUNT,
 249         MR_EVT_ARGS_LD_LBA,
 250         MR_EVT_ARGS_LD_OWNER,
 251         MR_EVT_ARGS_LD_LBA_PD_LBA,
 252         MR_EVT_ARGS_LD_PROG,
 253         MR_EVT_ARGS_LD_STATE,
 254         MR_EVT_ARGS_LD_STRIP,
 255         MR_EVT_ARGS_PD,
 256         MR_EVT_ARGS_PD_ERR,
 257         MR_EVT_ARGS_PD_LBA,
 258         MR_EVT_ARGS_PD_LBA_LD,
 259         MR_EVT_ARGS_PD_PROG,
 260         MR_EVT_ARGS_PD_STATE,
 261         MR_EVT_ARGS_PCI,
 262         MR_EVT_ARGS_RATE,
 263         MR_EVT_ARGS_STR,
 264         MR_EVT_ARGS_TIME,
 265         MR_EVT_ARGS_ECC,
 266         MR_EVT_ARGS_LD_PROP,
 267         MR_EVT_ARGS_PD_SPARE,
 268         MR_EVT_ARGS_PD_INDEX,
 269         MR_EVT_ARGS_DIAG_PASS,
 270         MR_EVT_ARGS_DIAG_FAIL,
 271         MR_EVT_ARGS_PD_LBA_LBA,
 272         MR_EVT_ARGS_PORT_PHY,
 273         MR_EVT_ARGS_PD_MISSING,
 274         MR_EVT_ARGS_PD_ADDRESS,
 275         MR_EVT_ARGS_BITMAP,
 276         MR_EVT_ARGS_CONNECTOR,
 277         MR_EVT_ARGS_PD_PD,
 278         MR_EVT_ARGS_PD_FRU,
 279         MR_EVT_ARGS_PD_PATHINFO,
 280         MR_EVT_ARGS_PD_POWER_STATE,
 281         MR_EVT_ARGS_GENERIC,
 282 };
 283
 284 /*
 285  * define constants for device list query options
 286  */
 287 enum MR_PD_QUERY_TYPE {
 288         MR_PD_QUERY_TYPE_ALL                = 0,
 289         MR_PD_QUERY_TYPE_STATE              = 1,
 290         MR_PD_QUERY_TYPE_POWER_STATE        = 2,
 291         MR_PD_QUERY_TYPE_MEDIA_TYPE         = 3,
 292         MR_PD_QUERY_TYPE_SPEED              = 4,
 293         MR_PD_QUERY_TYPE_EXPOSED_TO_HOST    = 5,
 294 };
 295
 296 #define MR_EVT_CFG_CLEARED                              0x0004
 297 #define MR_EVT_LD_STATE_CHANGE                          0x0051
 298 #define MR_EVT_PD_INSERTED                              0x005b
 299 #define MR_EVT_PD_REMOVED                               0x0070
 300 #define MR_EVT_LD_CREATED                               0x008a
 301 #define MR_EVT_LD_DELETED                               0x008b
 302 #define MR_EVT_FOREIGN_CFG_IMPORTED                     0x00db
 303 #define MR_EVT_LD_OFFLINE                               0x00fc
 304 #define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED             0x0152
 305 #define MAX_LOGICAL_DRIVES                              64
 306
 307 enum MR_PD_STATE {
 308         MR_PD_STATE_UNCONFIGURED_GOOD   = 0x00,
 309         MR_PD_STATE_UNCONFIGURED_BAD    = 0x01,
 310         MR_PD_STATE_HOT_SPARE           = 0x02,
 311         MR_PD_STATE_OFFLINE             = 0x10,
 312         MR_PD_STATE_FAILED              = 0x11,
 313         MR_PD_STATE_REBUILD             = 0x14,
 314         MR_PD_STATE_ONLINE              = 0x18,
 315         MR_PD_STATE_COPYBACK            = 0x20,
 316         MR_PD_STATE_SYSTEM              = 0x40,
 317  };
 318
 319
 320  /*
 321  * defines the physical drive address structure
 322  */
 323 struct MR_PD_ADDRESS {
 324         u16     deviceId;
 325         u16     enclDeviceId;
 326
 327         union {
 328                 struct {
 329                         u8  enclIndex;
 330                         u8  slotNumber;
 331                 } mrPdAddress;
 332                 struct {
 333                         u8  enclPosition;
 334                         u8  enclConnectorIndex;
 335                 } mrEnclAddress;
 336         };
 337         u8      scsiDevType;
 338         union {
 339                 u8      connectedPortBitmap;
 340                 u8      connectedPortNumbers;
 341         };
 342         u64     sasAddr[2];
 343 } __packed;
 344
 345 /*
 346  * defines the physical drive list structure
 347  */
 348 struct MR_PD_LIST {
 349         u32             size;
 350         u32             count;
 351         struct MR_PD_ADDRESS   addr[1];
 352 } __packed;
 353
 354 struct megasas_pd_list {
 355         u16             tid;
 356         u8             driveType;
 357         u8             driveState;
 358 } __packed;
 359
 360  /*
 361  * defines the logical drive reference structure
 362  */
 363 union  MR_LD_REF {
 364         struct {
 365                 u8      targetId;
 366                 u8      reserved;
 367                 u16     seqNum;
 368         };
 369         u32     ref;
 370 } __packed;
 371
 372 /*
 373  * defines the logical drive list structure
 374  */
 375 struct MR_LD_LIST {
 376         u32     ldCount;
 377         u32     reserved;
 378         struct {
 379                 union MR_LD_REF   ref;
 380                 u8          state;
 381                 u8          reserved[3];
 382                 u64         size;
 383         } ldList[MAX_LOGICAL_DRIVES];
 384 } __packed;
 385
 386 /*
 387  * SAS controller properties
 388  */
 389 struct megasas_ctrl_prop {
 390
 391         u16 seq_num;
 392         u16 pred_fail_poll_interval;
 393         u16 intr_throttle_count;
 394         u16 intr_throttle_timeouts;
 395         u8 rebuild_rate;
 396         u8 patrol_read_rate;
 397         u8 bgi_rate;
 398         u8 cc_rate;
 399         u8 recon_rate;
 400         u8 cache_flush_interval;
 401         u8 spinup_drv_count;
 402         u8 spinup_delay;
 403         u8 cluster_enable;
 404         u8 coercion_mode;
 405         u8 alarm_enable;
 406         u8 disable_auto_rebuild;
 407         u8 disable_battery_warn;
 408         u8 ecc_bucket_size;
 409         u16 ecc_bucket_leak_rate;
 410         u8 restore_hotspare_on_insertion;
 411         u8 expose_encl_devices;
 412         u8 maintainPdFailHistory;
 413         u8 disallowHostRequestReordering;
 414         u8 abortCCOnError;
 415         u8 loadBalanceMode;
 416         u8 disableAutoDetectBackplane;
 417
 418         u8 snapVDSpace;
 419
 420         /*
 421         * Add properties that can be controlled by
 422         * a bit in the following structure.
 423         */
 424
 425         struct {
 426                 u32     copyBackDisabled            : 1;
 427                 u32     SMARTerEnabled              : 1;
 428                 u32     prCorrectUnconfiguredAreas  : 1;
 429                 u32     useFdeOnly                  : 1;
 430                 u32     disableNCQ                  : 1;
 431                 u32     SSDSMARTerEnabled           : 1;
 432                 u32     SSDPatrolReadEnabled        : 1;
 433                 u32     enableSpinDownUnconfigured  : 1;
 434                 u32     autoEnhancedImport          : 1;
 435                 u32     enableSecretKeyControl      : 1;
 436                 u32     disableOnlineCtrlReset      : 1;
 437                 u32     allowBootWithPinnedCache    : 1;
 438                 u32     disableSpinDownHS           : 1;
 439                 u32     enableJBOD                  : 1;
 440                 u32     reserved                    :18;
 441         } OnOffProperties;
 442         u8 autoSnapVDSpace;
 443         u8 viewSpace;
 444         u16 spinDownTime;
 445         u8  reserved[24];
 446 } __packed;
 447
 448 /*
 449  * SAS controller information
 450  */
 451 struct megasas_ctrl_info {
 452
 453         /*
 454          * PCI device information
 455          */
 456         struct {
 457
 458                 u16 vendor_id;
 459                 u16 device_id;
 460                 u16 sub_vendor_id;
 461                 u16 sub_device_id;
 462                 u8 reserved[24];
 463
 464         } __attribute__ ((packed)) pci;
 465
 466         /*
 467          * Host interface information
 468          */
 469         struct {
 470
 471                 u8 PCIX:1;
 472                 u8 PCIE:1;
 473                 u8 iSCSI:1;
 474                 u8 SAS_3G:1;
 475                 u8 reserved_0:4;
 476                 u8 reserved_1[6];
 477                 u8 port_count;
 478                 u64 port_addr[8];
 479
 480         } __attribute__ ((packed)) host_interface;
 481
 482         /*
 483          * Device (backend) interface information
 484          */
 485         struct {
 486
 487                 u8 SPI:1;
 488                 u8 SAS_3G:1;
 489                 u8 SATA_1_5G:1;
 490                 u8 SATA_3G:1;
 491                 u8 reserved_0:4;
 492                 u8 reserved_1[6];
 493                 u8 port_count;
 494                 u64 port_addr[8];
 495
 496         } __attribute__ ((packed)) device_interface;
 497
 498         /*
 499          * List of components residing in flash. All str are null terminated
 500          */
 501         u32 image_check_word;
 502         u32 image_component_count;
 503
 504         struct {
 505
 506                 char name[8];
 507                 char version[32];
 508                 char build_date[16];
 509                 char built_time[16];
 510
 511         } __attribute__ ((packed)) image_component[8];
 512
 513         /*
 514          * List of flash components that have been flashed on the card, but
 515          * are not in use, pending reset of the adapter. This list will be
 516          * empty if a flash operation has not occurred. All stings are null
 517          * terminated
 518          */
 519         u32 pending_image_component_count;
 520
 521         struct {
 522
 523                 char name[8];
 524                 char version[32];
 525                 char build_date[16];
 526                 char build_time[16];
 527
 528         } __attribute__ ((packed)) pending_image_component[8];
 529
 530         u8 max_arms;
 531         u8 max_spans;
 532         u8 max_arrays;
 533         u8 max_lds;
 534
 535         char product_name[80];
 536         char serial_no[32];
 537
 538         /*
 539          * Other physical/controller/operation information. Indicates the
 540          * presence of the hardware
 541          */
 542         struct {
 543
 544                 u32 bbu:1;
 545                 u32 alarm:1;
 546                 u32 nvram:1;
 547                 u32 uart:1;
 548                 u32 reserved:28;
 549
 550         } __attribute__ ((packed)) hw_present;
 551
 552         u32 current_fw_time;
 553
 554         /*
 555          * Maximum data transfer sizes
 556          */
 557         u16 max_concurrent_cmds;
 558         u16 max_sge_count;
 559         u32 max_request_size;
 560
 561         /*
 562          * Logical and physical device counts
 563          */
 564         u16 ld_present_count;
 565         u16 ld_degraded_count;
 566         u16 ld_offline_count;
 567
 568         u16 pd_present_count;
 569         u16 pd_disk_present_count;
 570         u16 pd_disk_pred_failure_count;
 571         u16 pd_disk_failed_count;
 572
 573         /*
 574          * Memory size information
 575          */
 576         u16 nvram_size;
 577         u16 memory_size;
 578         u16 flash_size;
 579
 580         /*
 581          * Error counters
 582          */
 583         u16 mem_correctable_error_count;
 584         u16 mem_uncorrectable_error_count;
 585
 586         /*
 587          * Cluster information
 588          */
 589         u8 cluster_permitted;
 590         u8 cluster_active;
 591
 592         /*
 593          * Additional max data transfer sizes
 594          */
 595         u16 max_strips_per_io;
 596
 597         /*
 598          * Controller capabilities structures
 599          */
 600         struct {
 601
 602                 u32 raid_level_0:1;
 603                 u32 raid_level_1:1;
 604                 u32 raid_level_5:1;
 605                 u32 raid_level_1E:1;
 606                 u32 raid_level_6:1;
 607                 u32 reserved:27;
 608
 609         } __attribute__ ((packed)) raid_levels;
 610
 611         struct {
 612
 613                 u32 rbld_rate:1;
 614                 u32 cc_rate:1;
 615                 u32 bgi_rate:1;
 616                 u32 recon_rate:1;
 617                 u32 patrol_rate:1;
 618                 u32 alarm_control:1;
 619                 u32 cluster_supported:1;
 620                 u32 bbu:1;
 621                 u32 spanning_allowed:1;
 622                 u32 dedicated_hotspares:1;
 623                 u32 revertible_hotspares:1;
 624                 u32 foreign_config_import:1;
 625                 u32 self_diagnostic:1;
 626                 u32 mixed_redundancy_arr:1;
 627                 u32 global_hot_spares:1;
 628                 u32 reserved:17;
 629
 630         } __attribute__ ((packed)) adapter_operations;
 631
 632         struct {
 633
 634                 u32 read_policy:1;
 635                 u32 write_policy:1;
 636                 u32 io_policy:1;
 637                 u32 access_policy:1;
 638                 u32 disk_cache_policy:1;
 639                 u32 reserved:27;
 640
 641         } __attribute__ ((packed)) ld_operations;
 642
 643         struct {
 644
 645                 u8 min;
 646                 u8 max;
 647                 u8 reserved[2];
 648
 649         } __attribute__ ((packed)) stripe_sz_ops;
 650
 651         struct {
 652
 653                 u32 force_online:1;
 654                 u32 force_offline:1;
 655                 u32 force_rebuild:1;
 656                 u32 reserved:29;
 657
 658         } __attribute__ ((packed)) pd_operations;
 659
 660         struct {
 661
 662                 u32 ctrl_supports_sas:1;
 663                 u32 ctrl_supports_sata:1;
 664                 u32 allow_mix_in_encl:1;
 665                 u32 allow_mix_in_ld:1;
 666                 u32 allow_sata_in_cluster:1;
 667                 u32 reserved:27;
 668
 669         } __attribute__ ((packed)) pd_mix_support;
 670
 671         /*
 672          * Define ECC single-bit-error bucket information
 673          */
 674         u8 ecc_bucket_count;
 675         u8 reserved_2[11];
 676
 677         /*
 678          * Include the controller properties (changeable items)
 679          */
 680         struct megasas_ctrl_prop properties;
 681
 682         /*
 683          * Define FW pkg version (set in envt v'bles on OEM basis)
 684          */
 685         char package_version[0x60];
 686
 687         u8 pad[0x800 - 0x6a0];
 688
 689 } __packed;
 690
 691 /*
 692  * ===============================
 693  * MegaRAID SAS driver definitions
 694  * ===============================
 695  */
 696 #define MEGASAS_MAX_PD_CHANNELS                 2
 697 #define MEGASAS_MAX_LD_CHANNELS                 2
 698 #define MEGASAS_MAX_CHANNELS                    (MEGASAS_MAX_PD_CHANNELS + \
 699                                                 MEGASAS_MAX_LD_CHANNELS)
 700 #define MEGASAS_MAX_DEV_PER_CHANNEL             128
 701 #define MEGASAS_DEFAULT_INIT_ID                 -1
 702 #define MEGASAS_MAX_LUN                         8
 703 #define MEGASAS_MAX_LD                          64
 704 #define MEGASAS_MAX_PD                          (MEGASAS_MAX_PD_CHANNELS * \
 705                                                 MEGASAS_MAX_DEV_PER_CHANNEL)
 706 #define MEGASAS_MAX_LD_IDS                      (MEGASAS_MAX_LD_CHANNELS * \
 707                                                 MEGASAS_MAX_DEV_PER_CHANNEL)
 708
 709 #define MEGASAS_MAX_SECTORS                    (2*1024)
 710 #define MEGASAS_DBG_LVL                         1
 711
 712 #define MEGASAS_FW_BUSY                         1
 713
 714 /* Frame Type */
 715 #define IO_FRAME                                0
 716 #define PTHRU_FRAME                             1
 717
 718 /*
 719  * When SCSI mid-layer calls driver's reset routine, driver waits for
 720  * MEGASAS_RESET_WAIT_TIME seconds for all outstanding IO to complete. Note
 721  * that the driver cannot _actually_ abort or reset pending commands. While
 722  * it is waiting for the commands to complete, it prints a diagnostic message
 723  * every MEGASAS_RESET_NOTICE_INTERVAL seconds
 724  */
 725 #define MEGASAS_RESET_WAIT_TIME                 180
 726 #define MEGASAS_INTERNAL_CMD_WAIT_TIME          180
 727 #define MEGASAS_RESET_NOTICE_INTERVAL           5
 728 #define MEGASAS_IOCTL_CMD                       0
 729 #define MEGASAS_DEFAULT_CMD_TIMEOUT             90
 730
 731 /*
 732  * FW reports the maximum of number of commands that it can accept (maximum
 733  * commands that can be outstanding) at any time. The driver must report a
 734  * lower number to the mid layer because it can issue a few internal commands
 735  * itself (E.g, AEN, abort cmd, IOCTLs etc). The number of commands it needs
 736  * is shown below
 737  */
 738 #define MEGASAS_INT_CMDS                        32
 739 #define MEGASAS_SKINNY_INT_CMDS                 5
 740
 741 /*
 742  * FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit
 743  * SGLs based on the size of dma_addr_t
 744  */
 745 #define IS_DMA64                                (sizeof(dma_addr_t) == 8)
 746
 747 #define MFI_XSCALE_OMR0_CHANGE_INTERRUPT                0x00000001
 748
 749 #define MFI_INTR_FLAG_REPLY_MESSAGE                     0x00000001
 750 #define MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE             0x00000002
 751 #define MFI_G2_OUTBOUND_DOORBELL_CHANGE_INTERRUPT       0x00000004
 752
 753 #define MFI_OB_INTR_STATUS_MASK                 0x00000002
 754 #define MFI_POLL_TIMEOUT_SECS                   60
 755 #define MEGASAS_COMPLETION_TIMER_INTERVAL      (HZ/10)
 756
 757 #define MFI_REPLY_1078_MESSAGE_INTERRUPT        0x80000000
 758 #define MFI_REPLY_GEN2_MESSAGE_INTERRUPT        0x00000001
 759 #define MFI_GEN2_ENABLE_INTERRUPT_MASK          (0x00000001 | 0x00000004)
 760 #define MFI_REPLY_SKINNY_MESSAGE_INTERRUPT      0x40000000
 761 #define MFI_SKINNY_ENABLE_INTERRUPT_MASK        (0x00000001)
 762
 763 #define MFI_1068_PCSR_OFFSET                    0x84
 764 #define MFI_1068_FW_HANDSHAKE_OFFSET            0x64
 765 #define MFI_1068_FW_READY                       0xDDDD0000
 766 /*
 767 * register set for both 1068 and 1078 controllers
 768 * structure extended for 1078 registers
 769 */
 770
 771 struct megasas_register_set {
 772         u32     reserved_0[4];                  /*0000h*/
 773
 774         u32     inbound_msg_0;                  /*0010h*/
 775         u32     inbound_msg_1;                  /*0014h*/
 776         u32     outbound_msg_0;                 /*0018h*/
 777         u32     outbound_msg_1;                 /*001Ch*/
 778
 779         u32     inbound_doorbell;               /*0020h*/
 780         u32     inbound_intr_status;            /*0024h*/
 781         u32     inbound_intr_mask;              /*0028h*/
 782
 783         u32     outbound_doorbell;              /*002Ch*/
 784         u32     outbound_intr_status;           /*0030h*/
 785         u32     outbound_intr_mask;             /*0034h*/
 786
 787         u32     reserved_1[2];                  /*0038h*/
 788
 789         u32     inbound_queue_port;             /*0040h*/
 790         u32     outbound_queue_port;            /*0044h*/
 791
 792         u32     reserved_2[22];                 /*0048h*/
 793
 794         u32     outbound_doorbell_clear;        /*00A0h*/
 795
 796         u32     reserved_3[3];                  /*00A4h*/
 797
 798         u32     outbound_scratch_pad ;          /*00B0h*/
 799
 800         u32     reserved_4[3];                  /*00B4h*/
 801
 802         u32     inbound_low_queue_port ;        /*00C0h*/
 803
 804         u32     inbound_high_queue_port ;       /*00C4h*/
 805
 806         u32     reserved_5;                     /*00C8h*/
 807         u32     res_6[11];                      /*CCh*/
 808         u32     host_diag;
 809         u32     seq_offset;
 810         u32     index_registers[807];           /*00CCh*/
 811 } __attribute__ ((packed));
 812
 813 struct megasas_sge32 {
 814
 815         u32 phys_addr;
 816         u32 length;
 817
 818 } __attribute__ ((packed));
 819
 820 struct megasas_sge64 {
 821
 822         u64 phys_addr;
 823         u32 length;
 824
 825 } __attribute__ ((packed));
 826
 827 struct megasas_sge_skinny {
 828         u64 phys_addr;
 829         u32 length;
 830         u32 flag;
 831 } __packed;
 832
 833 union megasas_sgl {
 834
 835         struct megasas_sge32 sge32[1];
 836         struct megasas_sge64 sge64[1];
 837         struct megasas_sge_skinny sge_skinny[1];
 838
 839 } __attribute__ ((packed));
 840
 841 struct megasas_header {
 842
 843         u8 cmd;                 /*00h */
 844         u8 sense_len;           /*01h */
 845         u8 cmd_status;          /*02h */
 846         u8 scsi_status;         /*03h */
 847
 848         u8 target_id;           /*04h */
 849         u8 lun;                 /*05h */
 850         u8 cdb_len;             /*06h */
 851         u8 sge_count;           /*07h */
 852
 853         u32 context;            /*08h */
 854         u32 pad_0;              /*0Ch */
 855
 856         u16 flags;              /*10h */
 857         u16 timeout;            /*12h */
 858         u32 data_xferlen;       /*14h */
 859
 860 } __attribute__ ((packed));
 861
 862 union megasas_sgl_frame {
 863
 864         struct megasas_sge32 sge32[8];
 865         struct megasas_sge64 sge64[5];
 866
 867 } __attribute__ ((packed));
 868
 869 struct megasas_init_frame {
 870
 871         u8 cmd;                 /*00h */
 872         u8 reserved_0;          /*01h */
 873         u8 cmd_status;          /*02h */
 874
 875         u8 reserved_1;          /*03h */
 876         u32 reserved_2;         /*04h */
 877
 878         u32 context;            /*08h */
 879         u32 pad_0;              /*0Ch */
 880
 881         u16 flags;              /*10h */
 882         u16 reserved_3;         /*12h */
 883         u32 data_xfer_len;      /*14h */
 884
 885         u32 queue_info_new_phys_addr_lo;        /*18h */
 886         u32 queue_info_new_phys_addr_hi;        /*1Ch */
 887         u32 queue_info_old_phys_addr_lo;        /*20h */
 888         u32 queue_info_old_phys_addr_hi;        /*24h */
 889
 890         u32 reserved_4[6];      /*28h */
 891
 892 } __attribute__ ((packed));
 893
 894 struct megasas_init_queue_info {
 895
 896         u32 init_flags;         /*00h */
 897         u32 reply_queue_entries;        /*04h */
 898
 899         u32 reply_queue_start_phys_addr_lo;     /*08h */
 900         u32 reply_queue_start_phys_addr_hi;     /*0Ch */
 901         u32 producer_index_phys_addr_lo;        /*10h */
 902         u32 producer_index_phys_addr_hi;        /*14h */
 903         u32 consumer_index_phys_addr_lo;        /*18h */
 904         u32 consumer_index_phys_addr_hi;        /*1Ch */
 905
 906 } __attribute__ ((packed));
 907
 908 struct megasas_io_frame {
 909
 910         u8 cmd;                 /*00h */
 911         u8 sense_len;           /*01h */
 912         u8 cmd_status;          /*02h */
 913         u8 scsi_status;         /*03h */
 914
 915         u8 target_id;           /*04h */
 916         u8 access_byte;         /*05h */
 917         u8 reserved_0;          /*06h */
 918         u8 sge_count;           /*07h */
 919
 920         u32 context;            /*08h */
 921         u32 pad_0;              /*0Ch */
 922
 923         u16 flags;              /*10h */
 924         u16 timeout;            /*12h */
 925         u32 lba_count;          /*14h */
 926
 927         u32 sense_buf_phys_addr_lo;     /*18h */
 928         u32 sense_buf_phys_addr_hi;     /*1Ch */
 929
 930         u32 start_lba_lo;       /*20h */
 931         u32 start_lba_hi;       /*24h */
 932
 933         union megasas_sgl sgl;  /*28h */
 934
 935 } __attribute__ ((packed));
 936
 937 struct megasas_pthru_frame {
 938
 939         u8 cmd;                 /*00h */
 940         u8 sense_len;           /*01h */
 941         u8 cmd_status;          /*02h */
 942         u8 scsi_status;         /*03h */
 943
 944         u8 target_id;           /*04h */
 945         u8 lun;                 /*05h */
 946         u8 cdb_len;             /*06h */
 947         u8 sge_count;           /*07h */
 948
 949         u32 context;            /*08h */
 950         u32 pad_0;              /*0Ch */
 951
 952         u16 flags;              /*10h */
 953         u16 timeout;            /*12h */
 954         u32 data_xfer_len;      /*14h */
 955
 956         u32 sense_buf_phys_addr_lo;     /*18h */
 957         u32 sense_buf_phys_addr_hi;     /*1Ch */
 958
 959         u8 cdb[16];             /*20h */
 960         union megasas_sgl sgl;  /*30h */
 961
 962 } __attribute__ ((packed));
 963
 964 struct megasas_dcmd_frame {
 965
 966         u8 cmd;                 /*00h */
 967         u8 reserved_0;          /*01h */
 968         u8 cmd_status;          /*02h */
 969         u8 reserved_1[4];       /*03h */
 970         u8 sge_count;           /*07h */
 971
 972         u32 context;            /*08h */
 973         u32 pad_0;              /*0Ch */
 974
 975         u16 flags;              /*10h */
 976         u16 timeout;            /*12h */
 977
 978         u32 data_xfer_len;      /*14h */
 979         u32 opcode;             /*18h */
 980
 981         union {                 /*1Ch */
 982                 u8 b[12];
 983                 u16 s[6];
 984                 u32 w[3];
 985         } mbox;
 986
 987         union megasas_sgl sgl;  /*28h */
 988
 989 } __attribute__ ((packed));
 990
 991 struct megasas_abort_frame {
 992
 993         u8 cmd;                 /*00h */
 994         u8 reserved_0;          /*01h */
 995         u8 cmd_status;          /*02h */
 996
 997         u8 reserved_1;          /*03h */
 998         u32 reserved_2;         /*04h */
 999
1000         u32 context;            /*08h */
1001         u32 pad_0;              /*0Ch */
1002
1003         u16 flags;              /*10h */
1004         u16 reserved_3;         /*12h */
1005         u32 reserved_4;         /*14h */
1006
1007         u32 abort_context;      /*18h */
1008         u32 pad_1;              /*1Ch */
1009
1010         u32 abort_mfi_phys_addr_lo;     /*20h */
1011         u32 abort_mfi_phys_addr_hi;     /*24h */
1012
1013         u32 reserved_5[6];      /*28h */
1014
1015 } __attribute__ ((packed));
1016
1017 struct megasas_smp_frame {
1018
1019         u8 cmd;                 /*00h */
1020         u8 reserved_1;          /*01h */
1021         u8 cmd_status;          /*02h */
1022         u8 connection_status;   /*03h */
1023
1024         u8 reserved_2[3];       /*04h */
1025         u8 sge_count;           /*07h */
1026
1027         u32 context;            /*08h */
1028         u32 pad_0;              /*0Ch */
1029
1030         u16 flags;              /*10h */
1031         u16 timeout;            /*12h */
1032
1033         u32 data_xfer_len;      /*14h */
1034         u64 sas_addr;           /*18h */
1035
1036         union {
1037                 struct megasas_sge32 sge32[2];  /* [0]: resp [1]: req */
1038                 struct megasas_sge64 sge64[2];  /* [0]: resp [1]: req */
1039         } sgl;
1040
1041 } __attribute__ ((packed));
1042
1043 struct megasas_stp_frame {
1044
1045         u8 cmd;                 /*00h */
1046         u8 reserved_1;          /*01h */
1047         u8 cmd_status;          /*02h */
1048         u8 reserved_2;          /*03h */
1049
1050         u8 target_id;           /*04h */
1051         u8 reserved_3[2];       /*05h */
1052         u8 sge_count;           /*07h */
1053
1054         u32 context;            /*08h */
1055         u32 pad_0;              /*0Ch */
1056
1057         u16 flags;              /*10h */
1058         u16 timeout;            /*12h */
1059
1060         u32 data_xfer_len;      /*14h */
1061
1062         u16 fis[10];            /*18h */
1063         u32 stp_flags;
1064
1065         union {
1066                 struct megasas_sge32 sge32[2];  /* [0]: resp [1]: data */
1067                 struct megasas_sge64 sge64[2];  /* [0]: resp [1]: data */
1068         } sgl;
1069
1070 } __attribute__ ((packed));
1071
1072 union megasas_frame {
1073
1074         struct megasas_header hdr;
1075         struct megasas_init_frame init;
1076         struct megasas_io_frame io;
1077         struct megasas_pthru_frame pthru;
1078         struct megasas_dcmd_frame dcmd;
1079         struct megasas_abort_frame abort;
1080         struct megasas_smp_frame smp;
1081         struct megasas_stp_frame stp;
1082
1083         u8 raw_bytes[64];
1084 };
1085
1086 struct megasas_cmd;
1087
1088 union megasas_evt_class_locale {
1089
1090         struct {
1091                 u16 locale;
1092                 u8 reserved;
1093                 s8 class;
1094         } __attribute__ ((packed)) members;
1095
1096         u32 word;
1097
1098 } __attribute__ ((packed));
1099
1100 struct megasas_evt_log_info {
1101         u32 newest_seq_num;
1102         u32 oldest_seq_num;
1103         u32 clear_seq_num;
1104         u32 shutdown_seq_num;
1105         u32 boot_seq_num;
1106
1107 } __attribute__ ((packed));
1108
1109 struct megasas_progress {
1110
1111         u16 progress;
1112         u16 elapsed_seconds;
1113
1114 } __attribute__ ((packed));
1115
1116 struct megasas_evtarg_ld {
1117
1118         u16 target_id;
1119         u8 ld_index;
1120         u8 reserved;
1121
1122 } __attribute__ ((packed));
1123
1124 struct megasas_evtarg_pd {
1125         u16 device_id;
1126         u8 encl_index;
1127         u8 slot_number;
1128
1129 } __attribute__ ((packed));
1130
1131 struct megasas_evt_detail {
1132
1133         u32 seq_num;
1134         u32 time_stamp;
1135         u32 code;
1136         union megasas_evt_class_locale cl;
1137         u8 arg_type;
1138         u8 reserved1[15];
1139
1140         union {
1141                 struct {
1142                         struct megasas_evtarg_pd pd;
1143                         u8 cdb_length;
1144                         u8 sense_length;
1145                         u8 reserved[2];
1146                         u8 cdb[16];
1147                         u8 sense[64];
1148                 } __attribute__ ((packed)) cdbSense;
1149
1150                 struct megasas_evtarg_ld ld;
1151
1152                 struct {
1153                         struct megasas_evtarg_ld ld;
1154                         u64 count;
1155                 } __attribute__ ((packed)) ld_count;
1156
1157                 struct {
1158                         u64 lba;
1159                         struct megasas_evtarg_ld ld;
1160                 } __attribute__ ((packed)) ld_lba;
1161
1162                 struct {
1163                         struct megasas_evtarg_ld ld;
1164                         u32 prevOwner;
1165                         u32 newOwner;
1166                 } __attribute__ ((packed)) ld_owner;
1167
1168                 struct {
1169                         u64 ld_lba;
1170                         u64 pd_lba;
1171                         struct megasas_evtarg_ld ld;
1172                         struct megasas_evtarg_pd pd;
1173                 } __attribute__ ((packed)) ld_lba_pd_lba;
1174
1175                 struct {
1176                         struct megasas_evtarg_ld ld;
1177                         struct megasas_progress prog;
1178                 } __attribute__ ((packed)) ld_prog;
1179
1180                 struct {
1181                         struct megasas_evtarg_ld ld;
1182                         u32 prev_state;
1183                         u32 new_state;
1184                 } __attribute__ ((packed)) ld_state;
1185
1186                 struct {
1187                         u64 strip;
1188                         struct megasas_evtarg_ld ld;
1189                 } __attribute__ ((packed)) ld_strip;
1190
1191                 struct megasas_evtarg_pd pd;
1192
1193                 struct {
1194                         struct megasas_evtarg_pd pd;
1195                         u32 err;
1196                 } __attribute__ ((packed)) pd_err;
1197
1198                 struct {
1199                         u64 lba;
1200                         struct megasas_evtarg_pd pd;
1201                 } __attribute__ ((packed)) pd_lba;
1202
1203                 struct {
1204                         u64 lba;
1205                         struct megasas_evtarg_pd pd;
1206                         struct megasas_evtarg_ld ld;
1207                 } __attribute__ ((packed)) pd_lba_ld;
1208
1209                 struct {
1210                         struct megasas_evtarg_pd pd;
1211                         struct megasas_progress prog;
1212                 } __attribute__ ((packed)) pd_prog;
1213
1214                 struct {
1215                         struct megasas_evtarg_pd pd;
1216                         u32 prevState;
1217                         u32 newState;
1218                 } __attribute__ ((packed)) pd_state;
1219
1220                 struct {
1221                         u16 vendorId;
1222                         u16 deviceId;
1223                         u16 subVendorId;
1224                         u16 subDeviceId;
1225                 } __attribute__ ((packed)) pci;
1226
1227                 u32 rate;
1228                 char str[96];
1229
1230                 struct {
1231                         u32 rtc;
1232                         u32 elapsedSeconds;
1233                 } __attribute__ ((packed)) time;
1234
1235                 struct {
1236                         u32 ecar;
1237                         u32 elog;
1238                         char str[64];
1239                 } __attribute__ ((packed)) ecc;
1240
1241                 u8 b[96];
1242                 u16 s[48];
1243                 u32 w[24];
1244                 u64 d[12];
1245         } args;
1246
1247         char description[128];
1248
1249 } __attribute__ ((packed));
1250
1251 struct megasas_aen_event {
1252         struct work_struct hotplug_work;
1253         struct megasas_instance *instance;
1254 };
1255
1256 struct megasas_instance {
1257
1258         u32 *producer;
1259         dma_addr_t producer_h;
1260         u32 *consumer;
1261         dma_addr_t consumer_h;
1262
1263         u32 *reply_queue;
1264         dma_addr_t reply_queue_h;
1265
1266         unsigned long base_addr;
1267         struct megasas_register_set __iomem *reg_set;
1268
1269         struct megasas_pd_list          pd_list[MEGASAS_MAX_PD];
1270         u8     ld_ids[MEGASAS_MAX_LD_IDS];
1271         s8 init_id;
1272
1273         u16 max_num_sge;
1274         u16 max_fw_cmds;
1275         u32 max_sectors_per_req;
1276         struct megasas_aen_event *ev;
1277
1278         struct megasas_cmd **cmd_list;
1279         struct list_head cmd_pool;
1280         /* used to sync fire the cmd to fw */
1281         spinlock_t cmd_pool_lock;
1282         /* used to sync fire the cmd to fw */
1283         spinlock_t hba_lock;
1284         /* used to synch producer, consumer ptrs in dpc */
1285         spinlock_t completion_lock;
1286         struct dma_pool *frame_dma_pool;
1287         struct dma_pool *sense_dma_pool;
1288
1289         struct megasas_evt_detail *evt_detail;
1290         dma_addr_t evt_detail_h;
1291         struct megasas_cmd *aen_cmd;
1292         struct mutex aen_mutex;
1293         struct semaphore ioctl_sem;
1294
1295         struct Scsi_Host *host;
1296
1297         wait_queue_head_t int_cmd_wait_q;
1298         wait_queue_head_t abort_cmd_wait_q;
1299
1300         struct pci_dev *pdev;
1301         u32 unique_id;
1302         u32 fw_support_ieee;
1303
1304         atomic_t fw_outstanding;
1305         atomic_t fw_reset_no_pci_access;
1306
1307         struct megasas_instance_template *instancet;
1308         struct tasklet_struct isr_tasklet;
1309         struct work_struct work_init;
1310
1311         u8 flag;
1312         u8 unload;
1313         u8 flag_ieee;
1314         u8 issuepend_done;
1315         u8 disableOnlineCtrlReset;
1316         u8 adprecovery;
1317         unsigned long last_time;
1318         u32 mfiStatus;
1319         u32 last_seq_num;
1320
1321         struct timer_list io_completion_timer;
1322         struct list_head internal_reset_pending_q;
1323 };
1324
1325 enum {
1326         MEGASAS_HBA_OPERATIONAL                 = 0,
1327         MEGASAS_ADPRESET_SM_INFAULT             = 1,
1328         MEGASAS_ADPRESET_SM_FW_RESET_SUCCESS    = 2,
1329         MEGASAS_ADPRESET_SM_OPERATIONAL         = 3,
1330         MEGASAS_HW_CRITICAL_ERROR               = 4,
1331         MEGASAS_ADPRESET_INPROG_SIGN            = 0xDEADDEAD,
1332 };
1333
1334 struct megasas_instance_template {
1335         void (*fire_cmd)(struct megasas_instance *, dma_addr_t, \
1336                 u32, struct megasas_register_set __iomem *);
1337
1338         void (*enable_intr)(struct megasas_register_set __iomem *) ;
1339         void (*disable_intr)(struct megasas_register_set __iomem *);
1340
1341         int (*clear_intr)(struct megasas_register_set __iomem *);
1342
1343         u32 (*read_fw_status_reg)(struct megasas_register_set __iomem *);
1344         int (*adp_reset)(struct megasas_instance *, \
1345                 struct megasas_register_set __iomem *);
1346         int (*check_reset)(struct megasas_instance *, \
1347                 struct megasas_register_set __iomem *);
1348 };
1349
1350 #define MEGASAS_IS_LOGICAL(scp)                                         \
1351         (scp->device->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1
1352
1353 #define MEGASAS_DEV_INDEX(inst, scp)                                    \
1354         ((scp->device->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) +    \
1355         scp->device->id
1356
1357 struct megasas_cmd {
1358
1359         union megasas_frame *frame;
1360         dma_addr_t frame_phys_addr;
1361         u8 *sense;
1362         dma_addr_t sense_phys_addr;
1363
1364         u32 index;
1365         u8 sync_cmd;
1366         u8 cmd_status;
1367         u8 abort_aen;
1368         u8 retry_for_fw_reset;
1369
1370
1371         struct list_head list;
1372         struct scsi_cmnd *scmd;
1373         struct megasas_instance *instance;
1374         u32 frame_count;
1375 };
1376
1377 #define MAX_MGMT_ADAPTERS               1024
1378 #define MAX_IOCTL_SGE                   16
1379
1380 struct megasas_iocpacket {
1381
1382         u16 host_no;
1383         u16 __pad1;
1384         u32 sgl_off;
1385         u32 sge_count;
1386         u32 sense_off;
1387         u32 sense_len;
1388         union {
1389                 u8 raw[128];
1390                 struct megasas_header hdr;
1391         } frame;
1392
1393         struct iovec sgl[MAX_IOCTL_SGE];
1394
1395 } __attribute__ ((packed));
1396
1397 struct megasas_aen {
1398         u16 host_no;
1399         u16 __pad1;
1400         u32 seq_num;
1401         u32 class_locale_word;
1402 } __attribute__ ((packed));
1403
1404 #ifdef CONFIG_COMPAT
1405 struct compat_megasas_iocpacket {
1406         u16 host_no;
1407         u16 __pad1;
1408         u32 sgl_off;
1409         u32 sge_count;
1410         u32 sense_off;
1411         u32 sense_len;
1412         union {
1413                 u8 raw[128];
1414                 struct megasas_header hdr;
1415         } frame;
1416         struct compat_iovec sgl[MAX_IOCTL_SGE];
1417 } __attribute__ ((packed));
1418
1419 #define MEGASAS_IOC_FIRMWARE32  _IOWR('M', 1, struct compat_megasas_iocpacket)
1420 #endif
1421
1422 #define MEGASAS_IOC_FIRMWARE    _IOWR('M', 1, struct megasas_iocpacket)
1423 #define MEGASAS_IOC_GET_AEN     _IOW('M', 3, struct megasas_aen)
1424
1425 struct megasas_mgmt_info {
1426
1427         u16 count;
1428         struct megasas_instance *instance[MAX_MGMT_ADAPTERS];
1429         int max_index;
1430 };
1431
1432 #endif                          /*LSI_MEGARAID_SAS_H */