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                         "00.00.03.16-rc1"
  22 #define MEGASAS_RELDATE                         "Nov. 07, 2007"
  23 #define MEGASAS_EXT_VERSION                     "Thu. Nov. 07 10:09:32 PDT 2007"
  24
  25 /*
  26  * Device IDs
  27  */
  28 #define PCI_DEVICE_ID_LSI_SAS1078R              0x0060
  29 #define PCI_DEVICE_ID_LSI_VERDE_ZCR             0x0413
  30
  31 /*
  32  * =====================================
  33  * MegaRAID SAS MFI firmware definitions
  34  * =====================================
  35  */
  36
  37 /*
  38  * MFI stands for  MegaRAID SAS FW Interface. This is just a moniker for
  39  * protocol between the software and firmware. Commands are issued using
  40  * "message frames"
  41  */
  42
  43 /*
  44  * FW posts its state in upper 4 bits of outbound_msg_0 register
  45  */
  46 #define MFI_STATE_MASK                          0xF0000000
  47 #define MFI_STATE_UNDEFINED                     0x00000000
  48 #define MFI_STATE_BB_INIT                       0x10000000
  49 #define MFI_STATE_FW_INIT                       0x40000000
  50 #define MFI_STATE_WAIT_HANDSHAKE                0x60000000
  51 #define MFI_STATE_FW_INIT_2                     0x70000000
  52 #define MFI_STATE_DEVICE_SCAN                   0x80000000
  53 #define MFI_STATE_BOOT_MESSAGE_PENDING          0x90000000
  54 #define MFI_STATE_FLUSH_CACHE                   0xA0000000
  55 #define MFI_STATE_READY                         0xB0000000
  56 #define MFI_STATE_OPERATIONAL                   0xC0000000
  57 #define MFI_STATE_FAULT                         0xF0000000
  58
  59 #define MEGAMFI_FRAME_SIZE                      64
  60
  61 /*
  62  * During FW init, clear pending cmds & reset state using inbound_msg_0
  63  *
  64  * ABORT        : Abort all pending cmds
  65  * READY        : Move from OPERATIONAL to READY state; discard queue info
  66  * MFIMODE      : Discard (possible) low MFA posted in 64-bit mode (??)
  67  * CLR_HANDSHAKE: FW is waiting for HANDSHAKE from BIOS or Driver
  68  * HOTPLUG      : Resume from Hotplug
  69  * MFI_STOP_ADP : Send signal to FW to stop processing
  70  */
  71 #define MFI_INIT_ABORT                          0x00000001
  72 #define MFI_INIT_READY                          0x00000002
  73 #define MFI_INIT_MFIMODE                        0x00000004
  74 #define MFI_INIT_CLEAR_HANDSHAKE                0x00000008
  75 #define MFI_INIT_HOTPLUG                        0x00000010
  76 #define MFI_STOP_ADP                            0x00000020
  77 #define MFI_RESET_FLAGS                         MFI_INIT_READY| \
  78                                                 MFI_INIT_MFIMODE| \
  79                                                 MFI_INIT_ABORT
  80
  81 /*
  82  * MFI frame flags
  83  */
  84 #define MFI_FRAME_POST_IN_REPLY_QUEUE           0x0000
  85 #define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE      0x0001
  86 #define MFI_FRAME_SGL32                         0x0000
  87 #define MFI_FRAME_SGL64                         0x0002
  88 #define MFI_FRAME_SENSE32                       0x0000
  89 #define MFI_FRAME_SENSE64                       0x0004
  90 #define MFI_FRAME_DIR_NONE                      0x0000
  91 #define MFI_FRAME_DIR_WRITE                     0x0008
  92 #define MFI_FRAME_DIR_READ                      0x0010
  93 #define MFI_FRAME_DIR_BOTH                      0x0018
  94
  95 /*
  96  * Definition for cmd_status
  97  */
  98 #define MFI_CMD_STATUS_POLL_MODE                0xFF
  99
 100 /*
 101  * MFI command opcodes
 102  */
 103 #define MFI_CMD_INIT                            0x00
 104 #define MFI_CMD_LD_READ                         0x01
 105 #define MFI_CMD_LD_WRITE                        0x02
 106 #define MFI_CMD_LD_SCSI_IO                      0x03
 107 #define MFI_CMD_PD_SCSI_IO                      0x04
 108 #define MFI_CMD_DCMD                            0x05
 109 #define MFI_CMD_ABORT                           0x06
 110 #define MFI_CMD_SMP                             0x07
 111 #define MFI_CMD_STP                             0x08
 112
 113 #define MR_DCMD_CTRL_GET_INFO                   0x01010000
 114
 115 #define MR_DCMD_CTRL_CACHE_FLUSH                0x01101000
 116 #define MR_FLUSH_CTRL_CACHE                     0x01
 117 #define MR_FLUSH_DISK_CACHE                     0x02
 118
 119 #define MR_DCMD_CTRL_SHUTDOWN                   0x01050000
 120 #define MR_DCMD_HIBERNATE_SHUTDOWN              0x01060000
 121 #define MR_ENABLE_DRIVE_SPINDOWN                0x01
 122
 123 #define MR_DCMD_CTRL_EVENT_GET_INFO             0x01040100
 124 #define MR_DCMD_CTRL_EVENT_GET                  0x01040300
 125 #define MR_DCMD_CTRL_EVENT_WAIT                 0x01040500
 126 #define MR_DCMD_LD_GET_PROPERTIES               0x03030000
 127
 128 #define MR_DCMD_CLUSTER                         0x08000000
 129 #define MR_DCMD_CLUSTER_RESET_ALL               0x08010100
 130 #define MR_DCMD_CLUSTER_RESET_LD                0x08010200
 131
 132 /*
 133  * MFI command completion codes
 134  */
 135 enum MFI_STAT {
 136         MFI_STAT_OK = 0x00,
 137         MFI_STAT_INVALID_CMD = 0x01,
 138         MFI_STAT_INVALID_DCMD = 0x02,
 139         MFI_STAT_INVALID_PARAMETER = 0x03,
 140         MFI_STAT_INVALID_SEQUENCE_NUMBER = 0x04,
 141         MFI_STAT_ABORT_NOT_POSSIBLE = 0x05,
 142         MFI_STAT_APP_HOST_CODE_NOT_FOUND = 0x06,
 143         MFI_STAT_APP_IN_USE = 0x07,
 144         MFI_STAT_APP_NOT_INITIALIZED = 0x08,
 145         MFI_STAT_ARRAY_INDEX_INVALID = 0x09,
 146         MFI_STAT_ARRAY_ROW_NOT_EMPTY = 0x0a,
 147         MFI_STAT_CONFIG_RESOURCE_CONFLICT = 0x0b,
 148         MFI_STAT_DEVICE_NOT_FOUND = 0x0c,
 149         MFI_STAT_DRIVE_TOO_SMALL = 0x0d,
 150         MFI_STAT_FLASH_ALLOC_FAIL = 0x0e,
 151         MFI_STAT_FLASH_BUSY = 0x0f,
 152         MFI_STAT_FLASH_ERROR = 0x10,
 153         MFI_STAT_FLASH_IMAGE_BAD = 0x11,
 154         MFI_STAT_FLASH_IMAGE_INCOMPLETE = 0x12,
 155         MFI_STAT_FLASH_NOT_OPEN = 0x13,
 156         MFI_STAT_FLASH_NOT_STARTED = 0x14,
 157         MFI_STAT_FLUSH_FAILED = 0x15,
 158         MFI_STAT_HOST_CODE_NOT_FOUNT = 0x16,
 159         MFI_STAT_LD_CC_IN_PROGRESS = 0x17,
 160         MFI_STAT_LD_INIT_IN_PROGRESS = 0x18,
 161         MFI_STAT_LD_LBA_OUT_OF_RANGE = 0x19,
 162         MFI_STAT_LD_MAX_CONFIGURED = 0x1a,
 163         MFI_STAT_LD_NOT_OPTIMAL = 0x1b,
 164         MFI_STAT_LD_RBLD_IN_PROGRESS = 0x1c,
 165         MFI_STAT_LD_RECON_IN_PROGRESS = 0x1d,
 166         MFI_STAT_LD_WRONG_RAID_LEVEL = 0x1e,
 167         MFI_STAT_MAX_SPARES_EXCEEDED = 0x1f,
 168         MFI_STAT_MEMORY_NOT_AVAILABLE = 0x20,
 169         MFI_STAT_MFC_HW_ERROR = 0x21,
 170         MFI_STAT_NO_HW_PRESENT = 0x22,
 171         MFI_STAT_NOT_FOUND = 0x23,
 172         MFI_STAT_NOT_IN_ENCL = 0x24,
 173         MFI_STAT_PD_CLEAR_IN_PROGRESS = 0x25,
 174         MFI_STAT_PD_TYPE_WRONG = 0x26,
 175         MFI_STAT_PR_DISABLED = 0x27,
 176         MFI_STAT_ROW_INDEX_INVALID = 0x28,
 177         MFI_STAT_SAS_CONFIG_INVALID_ACTION = 0x29,
 178         MFI_STAT_SAS_CONFIG_INVALID_DATA = 0x2a,
 179         MFI_STAT_SAS_CONFIG_INVALID_PAGE = 0x2b,
 180         MFI_STAT_SAS_CONFIG_INVALID_TYPE = 0x2c,
 181         MFI_STAT_SCSI_DONE_WITH_ERROR = 0x2d,
 182         MFI_STAT_SCSI_IO_FAILED = 0x2e,
 183         MFI_STAT_SCSI_RESERVATION_CONFLICT = 0x2f,
 184         MFI_STAT_SHUTDOWN_FAILED = 0x30,
 185         MFI_STAT_TIME_NOT_SET = 0x31,
 186         MFI_STAT_WRONG_STATE = 0x32,
 187         MFI_STAT_LD_OFFLINE = 0x33,
 188         MFI_STAT_PEER_NOTIFICATION_REJECTED = 0x34,
 189         MFI_STAT_PEER_NOTIFICATION_FAILED = 0x35,
 190         MFI_STAT_RESERVATION_IN_PROGRESS = 0x36,
 191         MFI_STAT_I2C_ERRORS_DETECTED = 0x37,
 192         MFI_STAT_PCI_ERRORS_DETECTED = 0x38,
 193
 194         MFI_STAT_INVALID_STATUS = 0xFF
 195 };
 196
 197 /*
 198  * Number of mailbox bytes in DCMD message frame
 199  */
 200 #define MFI_MBOX_SIZE                           12
 201
 202 enum MR_EVT_CLASS {
 203
 204         MR_EVT_CLASS_DEBUG = -2,
 205         MR_EVT_CLASS_PROGRESS = -1,
 206         MR_EVT_CLASS_INFO = 0,
 207         MR_EVT_CLASS_WARNING = 1,
 208         MR_EVT_CLASS_CRITICAL = 2,
 209         MR_EVT_CLASS_FATAL = 3,
 210         MR_EVT_CLASS_DEAD = 4,
 211
 212 };
 213
 214 enum MR_EVT_LOCALE {
 215
 216         MR_EVT_LOCALE_LD = 0x0001,
 217         MR_EVT_LOCALE_PD = 0x0002,
 218         MR_EVT_LOCALE_ENCL = 0x0004,
 219         MR_EVT_LOCALE_BBU = 0x0008,
 220         MR_EVT_LOCALE_SAS = 0x0010,
 221         MR_EVT_LOCALE_CTRL = 0x0020,
 222         MR_EVT_LOCALE_CONFIG = 0x0040,
 223         MR_EVT_LOCALE_CLUSTER = 0x0080,
 224         MR_EVT_LOCALE_ALL = 0xffff,
 225
 226 };
 227
 228 enum MR_EVT_ARGS {
 229
 230         MR_EVT_ARGS_NONE,
 231         MR_EVT_ARGS_CDB_SENSE,
 232         MR_EVT_ARGS_LD,
 233         MR_EVT_ARGS_LD_COUNT,
 234         MR_EVT_ARGS_LD_LBA,
 235         MR_EVT_ARGS_LD_OWNER,
 236         MR_EVT_ARGS_LD_LBA_PD_LBA,
 237         MR_EVT_ARGS_LD_PROG,
 238         MR_EVT_ARGS_LD_STATE,
 239         MR_EVT_ARGS_LD_STRIP,
 240         MR_EVT_ARGS_PD,
 241         MR_EVT_ARGS_PD_ERR,
 242         MR_EVT_ARGS_PD_LBA,
 243         MR_EVT_ARGS_PD_LBA_LD,
 244         MR_EVT_ARGS_PD_PROG,
 245         MR_EVT_ARGS_PD_STATE,
 246         MR_EVT_ARGS_PCI,
 247         MR_EVT_ARGS_RATE,
 248         MR_EVT_ARGS_STR,
 249         MR_EVT_ARGS_TIME,
 250         MR_EVT_ARGS_ECC,
 251
 252 };
 253
 254 /*
 255  * SAS controller properties
 256  */
 257 struct megasas_ctrl_prop {
 258
 259         u16 seq_num;
 260         u16 pred_fail_poll_interval;
 261         u16 intr_throttle_count;
 262         u16 intr_throttle_timeouts;
 263         u8 rebuild_rate;
 264         u8 patrol_read_rate;
 265         u8 bgi_rate;
 266         u8 cc_rate;
 267         u8 recon_rate;
 268         u8 cache_flush_interval;
 269         u8 spinup_drv_count;
 270         u8 spinup_delay;
 271         u8 cluster_enable;
 272         u8 coercion_mode;
 273         u8 alarm_enable;
 274         u8 disable_auto_rebuild;
 275         u8 disable_battery_warn;
 276         u8 ecc_bucket_size;
 277         u16 ecc_bucket_leak_rate;
 278         u8 restore_hotspare_on_insertion;
 279         u8 expose_encl_devices;
 280         u8 reserved[38];
 281
 282 } __attribute__ ((packed));
 283
 284 /*
 285  * SAS controller information
 286  */
 287 struct megasas_ctrl_info {
 288
 289         /*
 290          * PCI device information
 291          */
 292         struct {
 293
 294                 u16 vendor_id;
 295                 u16 device_id;
 296                 u16 sub_vendor_id;
 297                 u16 sub_device_id;
 298                 u8 reserved[24];
 299
 300         } __attribute__ ((packed)) pci;
 301
 302         /*
 303          * Host interface information
 304          */
 305         struct {
 306
 307                 u8 PCIX:1;
 308                 u8 PCIE:1;
 309                 u8 iSCSI:1;
 310                 u8 SAS_3G:1;
 311                 u8 reserved_0:4;
 312                 u8 reserved_1[6];
 313                 u8 port_count;
 314                 u64 port_addr[8];
 315
 316         } __attribute__ ((packed)) host_interface;
 317
 318         /*
 319          * Device (backend) interface information
 320          */
 321         struct {
 322
 323                 u8 SPI:1;
 324                 u8 SAS_3G:1;
 325                 u8 SATA_1_5G:1;
 326                 u8 SATA_3G:1;
 327                 u8 reserved_0:4;
 328                 u8 reserved_1[6];
 329                 u8 port_count;
 330                 u64 port_addr[8];
 331
 332         } __attribute__ ((packed)) device_interface;
 333
 334         /*
 335          * List of components residing in flash. All str are null terminated
 336          */
 337         u32 image_check_word;
 338         u32 image_component_count;
 339
 340         struct {
 341
 342                 char name[8];
 343                 char version[32];
 344                 char build_date[16];
 345                 char built_time[16];
 346
 347         } __attribute__ ((packed)) image_component[8];
 348
 349         /*
 350          * List of flash components that have been flashed on the card, but
 351          * are not in use, pending reset of the adapter. This list will be
 352          * empty if a flash operation has not occurred. All stings are null
 353          * terminated
 354          */
 355         u32 pending_image_component_count;
 356
 357         struct {
 358
 359                 char name[8];
 360                 char version[32];
 361                 char build_date[16];
 362                 char build_time[16];
 363
 364         } __attribute__ ((packed)) pending_image_component[8];
 365
 366         u8 max_arms;
 367         u8 max_spans;
 368         u8 max_arrays;
 369         u8 max_lds;
 370
 371         char product_name[80];
 372         char serial_no[32];
 373
 374         /*
 375          * Other physical/controller/operation information. Indicates the
 376          * presence of the hardware
 377          */
 378         struct {
 379
 380                 u32 bbu:1;
 381                 u32 alarm:1;
 382                 u32 nvram:1;
 383                 u32 uart:1;
 384                 u32 reserved:28;
 385
 386         } __attribute__ ((packed)) hw_present;
 387
 388         u32 current_fw_time;
 389
 390         /*
 391          * Maximum data transfer sizes
 392          */
 393         u16 max_concurrent_cmds;
 394         u16 max_sge_count;
 395         u32 max_request_size;
 396
 397         /*
 398          * Logical and physical device counts
 399          */
 400         u16 ld_present_count;
 401         u16 ld_degraded_count;
 402         u16 ld_offline_count;
 403
 404         u16 pd_present_count;
 405         u16 pd_disk_present_count;
 406         u16 pd_disk_pred_failure_count;
 407         u16 pd_disk_failed_count;
 408
 409         /*
 410          * Memory size information
 411          */
 412         u16 nvram_size;
 413         u16 memory_size;
 414         u16 flash_size;
 415
 416         /*
 417          * Error counters
 418          */
 419         u16 mem_correctable_error_count;
 420         u16 mem_uncorrectable_error_count;
 421
 422         /*
 423          * Cluster information
 424          */
 425         u8 cluster_permitted;
 426         u8 cluster_active;
 427
 428         /*
 429          * Additional max data transfer sizes
 430          */
 431         u16 max_strips_per_io;
 432
 433         /*
 434          * Controller capabilities structures
 435          */
 436         struct {
 437
 438                 u32 raid_level_0:1;
 439                 u32 raid_level_1:1;
 440                 u32 raid_level_5:1;
 441                 u32 raid_level_1E:1;
 442                 u32 raid_level_6:1;
 443                 u32 reserved:27;
 444
 445         } __attribute__ ((packed)) raid_levels;
 446
 447         struct {
 448
 449                 u32 rbld_rate:1;
 450                 u32 cc_rate:1;
 451                 u32 bgi_rate:1;
 452                 u32 recon_rate:1;
 453                 u32 patrol_rate:1;
 454                 u32 alarm_control:1;
 455                 u32 cluster_supported:1;
 456                 u32 bbu:1;
 457                 u32 spanning_allowed:1;
 458                 u32 dedicated_hotspares:1;
 459                 u32 revertible_hotspares:1;
 460                 u32 foreign_config_import:1;
 461                 u32 self_diagnostic:1;
 462                 u32 mixed_redundancy_arr:1;
 463                 u32 global_hot_spares:1;
 464                 u32 reserved:17;
 465
 466         } __attribute__ ((packed)) adapter_operations;
 467
 468         struct {
 469
 470                 u32 read_policy:1;
 471                 u32 write_policy:1;
 472                 u32 io_policy:1;
 473                 u32 access_policy:1;
 474                 u32 disk_cache_policy:1;
 475                 u32 reserved:27;
 476
 477         } __attribute__ ((packed)) ld_operations;
 478
 479         struct {
 480
 481                 u8 min;
 482                 u8 max;
 483                 u8 reserved[2];
 484
 485         } __attribute__ ((packed)) stripe_sz_ops;
 486
 487         struct {
 488
 489                 u32 force_online:1;
 490                 u32 force_offline:1;
 491                 u32 force_rebuild:1;
 492                 u32 reserved:29;
 493
 494         } __attribute__ ((packed)) pd_operations;
 495
 496         struct {
 497
 498                 u32 ctrl_supports_sas:1;
 499                 u32 ctrl_supports_sata:1;
 500                 u32 allow_mix_in_encl:1;
 501                 u32 allow_mix_in_ld:1;
 502                 u32 allow_sata_in_cluster:1;
 503                 u32 reserved:27;
 504
 505         } __attribute__ ((packed)) pd_mix_support;
 506
 507         /*
 508          * Define ECC single-bit-error bucket information
 509          */
 510         u8 ecc_bucket_count;
 511         u8 reserved_2[11];
 512
 513         /*
 514          * Include the controller properties (changeable items)
 515          */
 516         struct megasas_ctrl_prop properties;
 517
 518         /*
 519          * Define FW pkg version (set in envt v'bles on OEM basis)
 520          */
 521         char package_version[0x60];
 522
 523         u8 pad[0x800 - 0x6a0];
 524
 525 } __attribute__ ((packed));
 526
 527 /*
 528  * ===============================
 529  * MegaRAID SAS driver definitions
 530  * ===============================
 531  */
 532 #define MEGASAS_MAX_PD_CHANNELS                 2
 533 #define MEGASAS_MAX_LD_CHANNELS                 2
 534 #define MEGASAS_MAX_CHANNELS                    (MEGASAS_MAX_PD_CHANNELS + \
 535                                                 MEGASAS_MAX_LD_CHANNELS)
 536 #define MEGASAS_MAX_DEV_PER_CHANNEL             128
 537 #define MEGASAS_DEFAULT_INIT_ID                 -1
 538 #define MEGASAS_MAX_LUN                         8
 539 #define MEGASAS_MAX_LD                          64
 540
 541 #define MEGASAS_DBG_LVL                         1
 542
 543 #define MEGASAS_FW_BUSY                         1
 544
 545 /*
 546  * When SCSI mid-layer calls driver's reset routine, driver waits for
 547  * MEGASAS_RESET_WAIT_TIME seconds for all outstanding IO to complete. Note
 548  * that the driver cannot _actually_ abort or reset pending commands. While
 549  * it is waiting for the commands to complete, it prints a diagnostic message
 550  * every MEGASAS_RESET_NOTICE_INTERVAL seconds
 551  */
 552 #define MEGASAS_RESET_WAIT_TIME                 180
 553 #define MEGASAS_INTERNAL_CMD_WAIT_TIME          180
 554 #define MEGASAS_RESET_NOTICE_INTERVAL           5
 555 #define MEGASAS_IOCTL_CMD                       0
 556 #define MEGASAS_DEFAULT_CMD_TIMEOUT             90
 557
 558 /*
 559  * FW reports the maximum of number of commands that it can accept (maximum
 560  * commands that can be outstanding) at any time. The driver must report a
 561  * lower number to the mid layer because it can issue a few internal commands
 562  * itself (E.g, AEN, abort cmd, IOCTLs etc). The number of commands it needs
 563  * is shown below
 564  */
 565 #define MEGASAS_INT_CMDS                        32
 566
 567 /*
 568  * FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit
 569  * SGLs based on the size of dma_addr_t
 570  */
 571 #define IS_DMA64                                (sizeof(dma_addr_t) == 8)
 572
 573 #define MFI_OB_INTR_STATUS_MASK                 0x00000002
 574 #define MFI_POLL_TIMEOUT_SECS                   60
 575 #define MEGASAS_COMPLETION_TIMER_INTERVAL      (HZ/10)
 576
 577 #define MFI_REPLY_1078_MESSAGE_INTERRUPT        0x80000000
 578
 579 /*
 580 * register set for both 1068 and 1078 controllers
 581 * structure extended for 1078 registers
 582 */
 583
 584 struct megasas_register_set {
 585         u32     reserved_0[4];                  /*0000h*/
 586
 587         u32     inbound_msg_0;                  /*0010h*/
 588         u32     inbound_msg_1;                  /*0014h*/
 589         u32     outbound_msg_0;                 /*0018h*/
 590         u32     outbound_msg_1;                 /*001Ch*/
 591
 592         u32     inbound_doorbell;               /*0020h*/
 593         u32     inbound_intr_status;            /*0024h*/
 594         u32     inbound_intr_mask;              /*0028h*/
 595
 596         u32     outbound_doorbell;              /*002Ch*/
 597         u32     outbound_intr_status;           /*0030h*/
 598         u32     outbound_intr_mask;             /*0034h*/
 599
 600         u32     reserved_1[2];                  /*0038h*/
 601
 602         u32     inbound_queue_port;             /*0040h*/
 603         u32     outbound_queue_port;            /*0044h*/
 604
 605         u32     reserved_2[22];                 /*0048h*/
 606
 607         u32     outbound_doorbell_clear;        /*00A0h*/
 608
 609         u32     reserved_3[3];                  /*00A4h*/
 610
 611         u32     outbound_scratch_pad ;          /*00B0h*/
 612
 613         u32     reserved_4[3];                  /*00B4h*/
 614
 615         u32     inbound_low_queue_port ;        /*00C0h*/
 616
 617         u32     inbound_high_queue_port ;       /*00C4h*/
 618
 619         u32     reserved_5;                     /*00C8h*/
 620         u32     index_registers[820];           /*00CCh*/
 621
 622 } __attribute__ ((packed));
 623
 624 struct megasas_sge32 {
 625
 626         u32 phys_addr;
 627         u32 length;
 628
 629 } __attribute__ ((packed));
 630
 631 struct megasas_sge64 {
 632
 633         u64 phys_addr;
 634         u32 length;
 635
 636 } __attribute__ ((packed));
 637
 638 union megasas_sgl {
 639
 640         struct megasas_sge32 sge32[1];
 641         struct megasas_sge64 sge64[1];
 642
 643 } __attribute__ ((packed));
 644
 645 struct megasas_header {
 646
 647         u8 cmd;                 /*00h */
 648         u8 sense_len;           /*01h */
 649         u8 cmd_status;          /*02h */
 650         u8 scsi_status;         /*03h */
 651
 652         u8 target_id;           /*04h */
 653         u8 lun;                 /*05h */
 654         u8 cdb_len;             /*06h */
 655         u8 sge_count;           /*07h */
 656
 657         u32 context;            /*08h */
 658         u32 pad_0;              /*0Ch */
 659
 660         u16 flags;              /*10h */
 661         u16 timeout;            /*12h */
 662         u32 data_xferlen;       /*14h */
 663
 664 } __attribute__ ((packed));
 665
 666 union megasas_sgl_frame {
 667
 668         struct megasas_sge32 sge32[8];
 669         struct megasas_sge64 sge64[5];
 670
 671 } __attribute__ ((packed));
 672
 673 struct megasas_init_frame {
 674
 675         u8 cmd;                 /*00h */
 676         u8 reserved_0;          /*01h */
 677         u8 cmd_status;          /*02h */
 678
 679         u8 reserved_1;          /*03h */
 680         u32 reserved_2;         /*04h */
 681
 682         u32 context;            /*08h */
 683         u32 pad_0;              /*0Ch */
 684
 685         u16 flags;              /*10h */
 686         u16 reserved_3;         /*12h */
 687         u32 data_xfer_len;      /*14h */
 688
 689         u32 queue_info_new_phys_addr_lo;        /*18h */
 690         u32 queue_info_new_phys_addr_hi;        /*1Ch */
 691         u32 queue_info_old_phys_addr_lo;        /*20h */
 692         u32 queue_info_old_phys_addr_hi;        /*24h */
 693
 694         u32 reserved_4[6];      /*28h */
 695
 696 } __attribute__ ((packed));
 697
 698 struct megasas_init_queue_info {
 699
 700         u32 init_flags;         /*00h */
 701         u32 reply_queue_entries;        /*04h */
 702
 703         u32 reply_queue_start_phys_addr_lo;     /*08h */
 704         u32 reply_queue_start_phys_addr_hi;     /*0Ch */
 705         u32 producer_index_phys_addr_lo;        /*10h */
 706         u32 producer_index_phys_addr_hi;        /*14h */
 707         u32 consumer_index_phys_addr_lo;        /*18h */
 708         u32 consumer_index_phys_addr_hi;        /*1Ch */
 709
 710 } __attribute__ ((packed));
 711
 712 struct megasas_io_frame {
 713
 714         u8 cmd;                 /*00h */
 715         u8 sense_len;           /*01h */
 716         u8 cmd_status;          /*02h */
 717         u8 scsi_status;         /*03h */
 718
 719         u8 target_id;           /*04h */
 720         u8 access_byte;         /*05h */
 721         u8 reserved_0;          /*06h */
 722         u8 sge_count;           /*07h */
 723
 724         u32 context;            /*08h */
 725         u32 pad_0;              /*0Ch */
 726
 727         u16 flags;              /*10h */
 728         u16 timeout;            /*12h */
 729         u32 lba_count;          /*14h */
 730
 731         u32 sense_buf_phys_addr_lo;     /*18h */
 732         u32 sense_buf_phys_addr_hi;     /*1Ch */
 733
 734         u32 start_lba_lo;       /*20h */
 735         u32 start_lba_hi;       /*24h */
 736
 737         union megasas_sgl sgl;  /*28h */
 738
 739 } __attribute__ ((packed));
 740
 741 struct megasas_pthru_frame {
 742
 743         u8 cmd;                 /*00h */
 744         u8 sense_len;           /*01h */
 745         u8 cmd_status;          /*02h */
 746         u8 scsi_status;         /*03h */
 747
 748         u8 target_id;           /*04h */
 749         u8 lun;                 /*05h */
 750         u8 cdb_len;             /*06h */
 751         u8 sge_count;           /*07h */
 752
 753         u32 context;            /*08h */
 754         u32 pad_0;              /*0Ch */
 755
 756         u16 flags;              /*10h */
 757         u16 timeout;            /*12h */
 758         u32 data_xfer_len;      /*14h */
 759
 760         u32 sense_buf_phys_addr_lo;     /*18h */
 761         u32 sense_buf_phys_addr_hi;     /*1Ch */
 762
 763         u8 cdb[16];             /*20h */
 764         union megasas_sgl sgl;  /*30h */
 765
 766 } __attribute__ ((packed));
 767
 768 struct megasas_dcmd_frame {
 769
 770         u8 cmd;                 /*00h */
 771         u8 reserved_0;          /*01h */
 772         u8 cmd_status;          /*02h */
 773         u8 reserved_1[4];       /*03h */
 774         u8 sge_count;           /*07h */
 775
 776         u32 context;            /*08h */
 777         u32 pad_0;              /*0Ch */
 778
 779         u16 flags;              /*10h */
 780         u16 timeout;            /*12h */
 781
 782         u32 data_xfer_len;      /*14h */
 783         u32 opcode;             /*18h */
 784
 785         union {                 /*1Ch */
 786                 u8 b[12];
 787                 u16 s[6];
 788                 u32 w[3];
 789         } mbox;
 790
 791         union megasas_sgl sgl;  /*28h */
 792
 793 } __attribute__ ((packed));
 794
 795 struct megasas_abort_frame {
 796
 797         u8 cmd;                 /*00h */
 798         u8 reserved_0;          /*01h */
 799         u8 cmd_status;          /*02h */
 800
 801         u8 reserved_1;          /*03h */
 802         u32 reserved_2;         /*04h */
 803
 804         u32 context;            /*08h */
 805         u32 pad_0;              /*0Ch */
 806
 807         u16 flags;              /*10h */
 808         u16 reserved_3;         /*12h */
 809         u32 reserved_4;         /*14h */
 810
 811         u32 abort_context;      /*18h */
 812         u32 pad_1;              /*1Ch */
 813
 814         u32 abort_mfi_phys_addr_lo;     /*20h */
 815         u32 abort_mfi_phys_addr_hi;     /*24h */
 816
 817         u32 reserved_5[6];      /*28h */
 818
 819 } __attribute__ ((packed));
 820
 821 struct megasas_smp_frame {
 822
 823         u8 cmd;                 /*00h */
 824         u8 reserved_1;          /*01h */
 825         u8 cmd_status;          /*02h */
 826         u8 connection_status;   /*03h */
 827
 828         u8 reserved_2[3];       /*04h */
 829         u8 sge_count;           /*07h */
 830
 831         u32 context;            /*08h */
 832         u32 pad_0;              /*0Ch */
 833
 834         u16 flags;              /*10h */
 835         u16 timeout;            /*12h */
 836
 837         u32 data_xfer_len;      /*14h */
 838         u64 sas_addr;           /*18h */
 839
 840         union {
 841                 struct megasas_sge32 sge32[2];  /* [0]: resp [1]: req */
 842                 struct megasas_sge64 sge64[2];  /* [0]: resp [1]: req */
 843         } sgl;
 844
 845 } __attribute__ ((packed));
 846
 847 struct megasas_stp_frame {
 848
 849         u8 cmd;                 /*00h */
 850         u8 reserved_1;          /*01h */
 851         u8 cmd_status;          /*02h */
 852         u8 reserved_2;          /*03h */
 853
 854         u8 target_id;           /*04h */
 855         u8 reserved_3[2];       /*05h */
 856         u8 sge_count;           /*07h */
 857
 858         u32 context;            /*08h */
 859         u32 pad_0;              /*0Ch */
 860
 861         u16 flags;              /*10h */
 862         u16 timeout;            /*12h */
 863
 864         u32 data_xfer_len;      /*14h */
 865
 866         u16 fis[10];            /*18h */
 867         u32 stp_flags;
 868
 869         union {
 870                 struct megasas_sge32 sge32[2];  /* [0]: resp [1]: data */
 871                 struct megasas_sge64 sge64[2];  /* [0]: resp [1]: data */
 872         } sgl;
 873
 874 } __attribute__ ((packed));
 875
 876 union megasas_frame {
 877
 878         struct megasas_header hdr;
 879         struct megasas_init_frame init;
 880         struct megasas_io_frame io;
 881         struct megasas_pthru_frame pthru;
 882         struct megasas_dcmd_frame dcmd;
 883         struct megasas_abort_frame abort;
 884         struct megasas_smp_frame smp;
 885         struct megasas_stp_frame stp;
 886
 887         u8 raw_bytes[64];
 888 };
 889
 890 struct megasas_cmd;
 891
 892 union megasas_evt_class_locale {
 893
 894         struct {
 895                 u16 locale;
 896                 u8 reserved;
 897                 s8 class;
 898         } __attribute__ ((packed)) members;
 899
 900         u32 word;
 901
 902 } __attribute__ ((packed));
 903
 904 struct megasas_evt_log_info {
 905         u32 newest_seq_num;
 906         u32 oldest_seq_num;
 907         u32 clear_seq_num;
 908         u32 shutdown_seq_num;
 909         u32 boot_seq_num;
 910
 911 } __attribute__ ((packed));
 912
 913 struct megasas_progress {
 914
 915         u16 progress;
 916         u16 elapsed_seconds;
 917
 918 } __attribute__ ((packed));
 919
 920 struct megasas_evtarg_ld {
 921
 922         u16 target_id;
 923         u8 ld_index;
 924         u8 reserved;
 925
 926 } __attribute__ ((packed));
 927
 928 struct megasas_evtarg_pd {
 929         u16 device_id;
 930         u8 encl_index;
 931         u8 slot_number;
 932
 933 } __attribute__ ((packed));
 934
 935 struct megasas_evt_detail {
 936
 937         u32 seq_num;
 938         u32 time_stamp;
 939         u32 code;
 940         union megasas_evt_class_locale cl;
 941         u8 arg_type;
 942         u8 reserved1[15];
 943
 944         union {
 945                 struct {
 946                         struct megasas_evtarg_pd pd;
 947                         u8 cdb_length;
 948                         u8 sense_length;
 949                         u8 reserved[2];
 950                         u8 cdb[16];
 951                         u8 sense[64];
 952                 } __attribute__ ((packed)) cdbSense;
 953
 954                 struct megasas_evtarg_ld ld;
 955
 956                 struct {
 957                         struct megasas_evtarg_ld ld;
 958                         u64 count;
 959                 } __attribute__ ((packed)) ld_count;
 960
 961                 struct {
 962                         u64 lba;
 963                         struct megasas_evtarg_ld ld;
 964                 } __attribute__ ((packed)) ld_lba;
 965
 966                 struct {
 967                         struct megasas_evtarg_ld ld;
 968                         u32 prevOwner;
 969                         u32 newOwner;
 970                 } __attribute__ ((packed)) ld_owner;
 971
 972                 struct {
 973                         u64 ld_lba;
 974                         u64 pd_lba;
 975                         struct megasas_evtarg_ld ld;
 976                         struct megasas_evtarg_pd pd;
 977                 } __attribute__ ((packed)) ld_lba_pd_lba;
 978
 979                 struct {
 980                         struct megasas_evtarg_ld ld;
 981                         struct megasas_progress prog;
 982                 } __attribute__ ((packed)) ld_prog;
 983
 984                 struct {
 985                         struct megasas_evtarg_ld ld;
 986                         u32 prev_state;
 987                         u32 new_state;
 988                 } __attribute__ ((packed)) ld_state;
 989
 990                 struct {
 991                         u64 strip;
 992                         struct megasas_evtarg_ld ld;
 993                 } __attribute__ ((packed)) ld_strip;
 994
 995                 struct megasas_evtarg_pd pd;
 996
 997                 struct {
 998                         struct megasas_evtarg_pd pd;
 999                         u32 err;
1000                 } __attribute__ ((packed)) pd_err;
1001
1002                 struct {
1003                         u64 lba;
1004                         struct megasas_evtarg_pd pd;
1005                 } __attribute__ ((packed)) pd_lba;
1006
1007                 struct {
1008                         u64 lba;
1009                         struct megasas_evtarg_pd pd;
1010                         struct megasas_evtarg_ld ld;
1011                 } __attribute__ ((packed)) pd_lba_ld;
1012
1013                 struct {
1014                         struct megasas_evtarg_pd pd;
1015                         struct megasas_progress prog;
1016                 } __attribute__ ((packed)) pd_prog;
1017
1018                 struct {
1019                         struct megasas_evtarg_pd pd;
1020                         u32 prevState;
1021                         u32 newState;
1022                 } __attribute__ ((packed)) pd_state;
1023
1024                 struct {
1025                         u16 vendorId;
1026                         u16 deviceId;
1027                         u16 subVendorId;
1028                         u16 subDeviceId;
1029                 } __attribute__ ((packed)) pci;
1030
1031                 u32 rate;
1032                 char str[96];
1033
1034                 struct {
1035                         u32 rtc;
1036                         u32 elapsedSeconds;
1037                 } __attribute__ ((packed)) time;
1038
1039                 struct {
1040                         u32 ecar;
1041                         u32 elog;
1042                         char str[64];
1043                 } __attribute__ ((packed)) ecc;
1044
1045                 u8 b[96];
1046                 u16 s[48];
1047                 u32 w[24];
1048                 u64 d[12];
1049         } args;
1050
1051         char description[128];
1052
1053 } __attribute__ ((packed));
1054
1055  struct megasas_instance_template {
1056         void (*fire_cmd)(dma_addr_t ,u32 ,struct megasas_register_set __iomem *);
1057
1058         void (*enable_intr)(struct megasas_register_set __iomem *) ;
1059         void (*disable_intr)(struct megasas_register_set __iomem *);
1060
1061         int (*clear_intr)(struct megasas_register_set __iomem *);
1062
1063         u32 (*read_fw_status_reg)(struct megasas_register_set __iomem *);
1064  };
1065
1066 struct megasas_instance {
1067
1068         u32 *producer;
1069         dma_addr_t producer_h;
1070         u32 *consumer;
1071         dma_addr_t consumer_h;
1072
1073         u32 *reply_queue;
1074         dma_addr_t reply_queue_h;
1075
1076         unsigned long base_addr;
1077         struct megasas_register_set __iomem *reg_set;
1078
1079         s8 init_id;
1080
1081         u16 max_num_sge;
1082         u16 max_fw_cmds;
1083         u32 max_sectors_per_req;
1084
1085         struct megasas_cmd **cmd_list;
1086         struct list_head cmd_pool;
1087         spinlock_t cmd_pool_lock;
1088         /* used to synch producer, consumer ptrs in dpc */
1089         spinlock_t completion_lock;
1090         struct dma_pool *frame_dma_pool;
1091         struct dma_pool *sense_dma_pool;
1092
1093         struct megasas_evt_detail *evt_detail;
1094         dma_addr_t evt_detail_h;
1095         struct megasas_cmd *aen_cmd;
1096         struct mutex aen_mutex;
1097         struct semaphore ioctl_sem;
1098
1099         struct Scsi_Host *host;
1100
1101         wait_queue_head_t int_cmd_wait_q;
1102         wait_queue_head_t abort_cmd_wait_q;
1103
1104         struct pci_dev *pdev;
1105         u32 unique_id;
1106
1107         atomic_t fw_outstanding;
1108         u32 hw_crit_error;
1109
1110         struct megasas_instance_template *instancet;
1111         struct tasklet_struct isr_tasklet;
1112
1113         u8 flag;
1114         unsigned long last_time;
1115
1116         struct timer_list io_completion_timer;
1117 };
1118
1119 #define MEGASAS_IS_LOGICAL(scp)                                         \
1120         (scp->device->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1
1121
1122 #define MEGASAS_DEV_INDEX(inst, scp)                                    \
1123         ((scp->device->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) +    \
1124         scp->device->id
1125
1126 struct megasas_cmd {
1127
1128         union megasas_frame *frame;
1129         dma_addr_t frame_phys_addr;
1130         u8 *sense;
1131         dma_addr_t sense_phys_addr;
1132
1133         u32 index;
1134         u8 sync_cmd;
1135         u8 cmd_status;
1136         u16 abort_aen;
1137
1138         struct list_head list;
1139         struct scsi_cmnd *scmd;
1140         struct megasas_instance *instance;
1141         u32 frame_count;
1142 };
1143
1144 #define MAX_MGMT_ADAPTERS               1024
1145 #define MAX_IOCTL_SGE                   16
1146
1147 struct megasas_iocpacket {
1148
1149         u16 host_no;
1150         u16 __pad1;
1151         u32 sgl_off;
1152         u32 sge_count;
1153         u32 sense_off;
1154         u32 sense_len;
1155         union {
1156                 u8 raw[128];
1157                 struct megasas_header hdr;
1158         } frame;
1159
1160         struct iovec sgl[MAX_IOCTL_SGE];
1161
1162 } __attribute__ ((packed));
1163
1164 struct megasas_aen {
1165         u16 host_no;
1166         u16 __pad1;
1167         u32 seq_num;
1168         u32 class_locale_word;
1169 } __attribute__ ((packed));
1170
1171 #ifdef CONFIG_COMPAT
1172 struct compat_megasas_iocpacket {
1173         u16 host_no;
1174         u16 __pad1;
1175         u32 sgl_off;
1176         u32 sge_count;
1177         u32 sense_off;
1178         u32 sense_len;
1179         union {
1180                 u8 raw[128];
1181                 struct megasas_header hdr;
1182         } frame;
1183         struct compat_iovec sgl[MAX_IOCTL_SGE];
1184 } __attribute__ ((packed));
1185
1186 #define MEGASAS_IOC_FIRMWARE32  _IOWR('M', 1, struct compat_megasas_iocpacket)
1187 #endif
1188
1189 #define MEGASAS_IOC_FIRMWARE    _IOWR('M', 1, struct megasas_iocpacket)
1190 #define MEGASAS_IOC_GET_AEN     _IOW('M', 3, struct megasas_aen)
1191
1192 struct megasas_mgmt_info {
1193
1194         u16 count;
1195         struct megasas_instance *instance[MAX_MGMT_ADAPTERS];
1196         int max_index;
1197 };
1198
1199 #endif                          /*LSI_MEGARAID_SAS_H */