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   1 /*
   2  *
   3  *              Linux MegaRAID driver for SAS based RAID controllers
   4  *
   5  * Copyright (c) 2003-2005  LSI Logic 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                         "00.00.03.10-rc5"
  22 #define MEGASAS_RELDATE                         "May 17, 2007"
  23 #define MEGASAS_EXT_VERSION                     "Thu May 17 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_ENABLE_DRIVE_SPINDOWN                0x01
 121
 122 #define MR_DCMD_CTRL_EVENT_GET_INFO             0x01040100
 123 #define MR_DCMD_CTRL_EVENT_GET                  0x01040300
 124 #define MR_DCMD_CTRL_EVENT_WAIT                 0x01040500
 125 #define MR_DCMD_LD_GET_PROPERTIES               0x03030000
 126
 127 #define MR_DCMD_CLUSTER                         0x08000000
 128 #define MR_DCMD_CLUSTER_RESET_ALL               0x08010100
 129 #define MR_DCMD_CLUSTER_RESET_LD                0x08010200
 130
 131 /*
 132  * MFI command completion codes
 133  */
 134 enum MFI_STAT {
 135         MFI_STAT_OK = 0x00,
 136         MFI_STAT_INVALID_CMD = 0x01,
 137         MFI_STAT_INVALID_DCMD = 0x02,
 138         MFI_STAT_INVALID_PARAMETER = 0x03,
 139         MFI_STAT_INVALID_SEQUENCE_NUMBER = 0x04,
 140         MFI_STAT_ABORT_NOT_POSSIBLE = 0x05,
 141         MFI_STAT_APP_HOST_CODE_NOT_FOUND = 0x06,
 142         MFI_STAT_APP_IN_USE = 0x07,
 143         MFI_STAT_APP_NOT_INITIALIZED = 0x08,
 144         MFI_STAT_ARRAY_INDEX_INVALID = 0x09,
 145         MFI_STAT_ARRAY_ROW_NOT_EMPTY = 0x0a,
 146         MFI_STAT_CONFIG_RESOURCE_CONFLICT = 0x0b,
 147         MFI_STAT_DEVICE_NOT_FOUND = 0x0c,
 148         MFI_STAT_DRIVE_TOO_SMALL = 0x0d,
 149         MFI_STAT_FLASH_ALLOC_FAIL = 0x0e,
 150         MFI_STAT_FLASH_BUSY = 0x0f,
 151         MFI_STAT_FLASH_ERROR = 0x10,
 152         MFI_STAT_FLASH_IMAGE_BAD = 0x11,
 153         MFI_STAT_FLASH_IMAGE_INCOMPLETE = 0x12,
 154         MFI_STAT_FLASH_NOT_OPEN = 0x13,
 155         MFI_STAT_FLASH_NOT_STARTED = 0x14,
 156         MFI_STAT_FLUSH_FAILED = 0x15,
 157         MFI_STAT_HOST_CODE_NOT_FOUNT = 0x16,
 158         MFI_STAT_LD_CC_IN_PROGRESS = 0x17,
 159         MFI_STAT_LD_INIT_IN_PROGRESS = 0x18,
 160         MFI_STAT_LD_LBA_OUT_OF_RANGE = 0x19,
 161         MFI_STAT_LD_MAX_CONFIGURED = 0x1a,
 162         MFI_STAT_LD_NOT_OPTIMAL = 0x1b,
 163         MFI_STAT_LD_RBLD_IN_PROGRESS = 0x1c,
 164         MFI_STAT_LD_RECON_IN_PROGRESS = 0x1d,
 165         MFI_STAT_LD_WRONG_RAID_LEVEL = 0x1e,
 166         MFI_STAT_MAX_SPARES_EXCEEDED = 0x1f,
 167         MFI_STAT_MEMORY_NOT_AVAILABLE = 0x20,
 168         MFI_STAT_MFC_HW_ERROR = 0x21,
 169         MFI_STAT_NO_HW_PRESENT = 0x22,
 170         MFI_STAT_NOT_FOUND = 0x23,
 171         MFI_STAT_NOT_IN_ENCL = 0x24,
 172         MFI_STAT_PD_CLEAR_IN_PROGRESS = 0x25,
 173         MFI_STAT_PD_TYPE_WRONG = 0x26,
 174         MFI_STAT_PR_DISABLED = 0x27,
 175         MFI_STAT_ROW_INDEX_INVALID = 0x28,
 176         MFI_STAT_SAS_CONFIG_INVALID_ACTION = 0x29,
 177         MFI_STAT_SAS_CONFIG_INVALID_DATA = 0x2a,
 178         MFI_STAT_SAS_CONFIG_INVALID_PAGE = 0x2b,
 179         MFI_STAT_SAS_CONFIG_INVALID_TYPE = 0x2c,
 180         MFI_STAT_SCSI_DONE_WITH_ERROR = 0x2d,
 181         MFI_STAT_SCSI_IO_FAILED = 0x2e,
 182         MFI_STAT_SCSI_RESERVATION_CONFLICT = 0x2f,
 183         MFI_STAT_SHUTDOWN_FAILED = 0x30,
 184         MFI_STAT_TIME_NOT_SET = 0x31,
 185         MFI_STAT_WRONG_STATE = 0x32,
 186         MFI_STAT_LD_OFFLINE = 0x33,
 187         MFI_STAT_PEER_NOTIFICATION_REJECTED = 0x34,
 188         MFI_STAT_PEER_NOTIFICATION_FAILED = 0x35,
 189         MFI_STAT_RESERVATION_IN_PROGRESS = 0x36,
 190         MFI_STAT_I2C_ERRORS_DETECTED = 0x37,
 191         MFI_STAT_PCI_ERRORS_DETECTED = 0x38,
 192
 193         MFI_STAT_INVALID_STATUS = 0xFF
 194 };
 195
 196 /*
 197  * Number of mailbox bytes in DCMD message frame
 198  */
 199 #define MFI_MBOX_SIZE                           12
 200
 201 enum MR_EVT_CLASS {
 202
 203         MR_EVT_CLASS_DEBUG = -2,
 204         MR_EVT_CLASS_PROGRESS = -1,
 205         MR_EVT_CLASS_INFO = 0,
 206         MR_EVT_CLASS_WARNING = 1,
 207         MR_EVT_CLASS_CRITICAL = 2,
 208         MR_EVT_CLASS_FATAL = 3,
 209         MR_EVT_CLASS_DEAD = 4,
 210
 211 };
 212
 213 enum MR_EVT_LOCALE {
 214
 215         MR_EVT_LOCALE_LD = 0x0001,
 216         MR_EVT_LOCALE_PD = 0x0002,
 217         MR_EVT_LOCALE_ENCL = 0x0004,
 218         MR_EVT_LOCALE_BBU = 0x0008,
 219         MR_EVT_LOCALE_SAS = 0x0010,
 220         MR_EVT_LOCALE_CTRL = 0x0020,
 221         MR_EVT_LOCALE_CONFIG = 0x0040,
 222         MR_EVT_LOCALE_CLUSTER = 0x0080,
 223         MR_EVT_LOCALE_ALL = 0xffff,
 224
 225 };
 226
 227 enum MR_EVT_ARGS {
 228
 229         MR_EVT_ARGS_NONE,
 230         MR_EVT_ARGS_CDB_SENSE,
 231         MR_EVT_ARGS_LD,
 232         MR_EVT_ARGS_LD_COUNT,
 233         MR_EVT_ARGS_LD_LBA,
 234         MR_EVT_ARGS_LD_OWNER,
 235         MR_EVT_ARGS_LD_LBA_PD_LBA,
 236         MR_EVT_ARGS_LD_PROG,
 237         MR_EVT_ARGS_LD_STATE,
 238         MR_EVT_ARGS_LD_STRIP,
 239         MR_EVT_ARGS_PD,
 240         MR_EVT_ARGS_PD_ERR,
 241         MR_EVT_ARGS_PD_LBA,
 242         MR_EVT_ARGS_PD_LBA_LD,
 243         MR_EVT_ARGS_PD_PROG,
 244         MR_EVT_ARGS_PD_STATE,
 245         MR_EVT_ARGS_PCI,
 246         MR_EVT_ARGS_RATE,
 247         MR_EVT_ARGS_STR,
 248         MR_EVT_ARGS_TIME,
 249         MR_EVT_ARGS_ECC,
 250
 251 };
 252
 253 /*
 254  * SAS controller properties
 255  */
 256 struct megasas_ctrl_prop {
 257
 258         u16 seq_num;
 259         u16 pred_fail_poll_interval;
 260         u16 intr_throttle_count;
 261         u16 intr_throttle_timeouts;
 262         u8 rebuild_rate;
 263         u8 patrol_read_rate;
 264         u8 bgi_rate;
 265         u8 cc_rate;
 266         u8 recon_rate;
 267         u8 cache_flush_interval;
 268         u8 spinup_drv_count;
 269         u8 spinup_delay;
 270         u8 cluster_enable;
 271         u8 coercion_mode;
 272         u8 alarm_enable;
 273         u8 disable_auto_rebuild;
 274         u8 disable_battery_warn;
 275         u8 ecc_bucket_size;
 276         u16 ecc_bucket_leak_rate;
 277         u8 restore_hotspare_on_insertion;
 278         u8 expose_encl_devices;
 279         u8 reserved[38];
 280
 281 } __attribute__ ((packed));
 282
 283 /*
 284  * SAS controller information
 285  */
 286 struct megasas_ctrl_info {
 287
 288         /*
 289          * PCI device information
 290          */
 291         struct {
 292
 293                 u16 vendor_id;
 294                 u16 device_id;
 295                 u16 sub_vendor_id;
 296                 u16 sub_device_id;
 297                 u8 reserved[24];
 298
 299         } __attribute__ ((packed)) pci;
 300
 301         /*
 302          * Host interface information
 303          */
 304         struct {
 305
 306                 u8 PCIX:1;
 307                 u8 PCIE:1;
 308                 u8 iSCSI:1;
 309                 u8 SAS_3G:1;
 310                 u8 reserved_0:4;
 311                 u8 reserved_1[6];
 312                 u8 port_count;
 313                 u64 port_addr[8];
 314
 315         } __attribute__ ((packed)) host_interface;
 316
 317         /*
 318          * Device (backend) interface information
 319          */
 320         struct {
 321
 322                 u8 SPI:1;
 323                 u8 SAS_3G:1;
 324                 u8 SATA_1_5G:1;
 325                 u8 SATA_3G:1;
 326                 u8 reserved_0:4;
 327                 u8 reserved_1[6];
 328                 u8 port_count;
 329                 u64 port_addr[8];
 330
 331         } __attribute__ ((packed)) device_interface;
 332
 333         /*
 334          * List of components residing in flash. All str are null terminated
 335          */
 336         u32 image_check_word;
 337         u32 image_component_count;
 338
 339         struct {
 340
 341                 char name[8];
 342                 char version[32];
 343                 char build_date[16];
 344                 char built_time[16];
 345
 346         } __attribute__ ((packed)) image_component[8];
 347
 348         /*
 349          * List of flash components that have been flashed on the card, but
 350          * are not in use, pending reset of the adapter. This list will be
 351          * empty if a flash operation has not occurred. All stings are null
 352          * terminated
 353          */
 354         u32 pending_image_component_count;
 355
 356         struct {
 357
 358                 char name[8];
 359                 char version[32];
 360                 char build_date[16];
 361                 char build_time[16];
 362
 363         } __attribute__ ((packed)) pending_image_component[8];
 364
 365         u8 max_arms;
 366         u8 max_spans;
 367         u8 max_arrays;
 368         u8 max_lds;
 369
 370         char product_name[80];
 371         char serial_no[32];
 372
 373         /*
 374          * Other physical/controller/operation information. Indicates the
 375          * presence of the hardware
 376          */
 377         struct {
 378
 379                 u32 bbu:1;
 380                 u32 alarm:1;
 381                 u32 nvram:1;
 382                 u32 uart:1;
 383                 u32 reserved:28;
 384
 385         } __attribute__ ((packed)) hw_present;
 386
 387         u32 current_fw_time;
 388
 389         /*
 390          * Maximum data transfer sizes
 391          */
 392         u16 max_concurrent_cmds;
 393         u16 max_sge_count;
 394         u32 max_request_size;
 395
 396         /*
 397          * Logical and physical device counts
 398          */
 399         u16 ld_present_count;
 400         u16 ld_degraded_count;
 401         u16 ld_offline_count;
 402
 403         u16 pd_present_count;
 404         u16 pd_disk_present_count;
 405         u16 pd_disk_pred_failure_count;
 406         u16 pd_disk_failed_count;
 407
 408         /*
 409          * Memory size information
 410          */
 411         u16 nvram_size;
 412         u16 memory_size;
 413         u16 flash_size;
 414
 415         /*
 416          * Error counters
 417          */
 418         u16 mem_correctable_error_count;
 419         u16 mem_uncorrectable_error_count;
 420
 421         /*
 422          * Cluster information
 423          */
 424         u8 cluster_permitted;
 425         u8 cluster_active;
 426
 427         /*
 428          * Additional max data transfer sizes
 429          */
 430         u16 max_strips_per_io;
 431
 432         /*
 433          * Controller capabilities structures
 434          */
 435         struct {
 436
 437                 u32 raid_level_0:1;
 438                 u32 raid_level_1:1;
 439                 u32 raid_level_5:1;
 440                 u32 raid_level_1E:1;
 441                 u32 raid_level_6:1;
 442                 u32 reserved:27;
 443
 444         } __attribute__ ((packed)) raid_levels;
 445
 446         struct {
 447
 448                 u32 rbld_rate:1;
 449                 u32 cc_rate:1;
 450                 u32 bgi_rate:1;
 451                 u32 recon_rate:1;
 452                 u32 patrol_rate:1;
 453                 u32 alarm_control:1;
 454                 u32 cluster_supported:1;
 455                 u32 bbu:1;
 456                 u32 spanning_allowed:1;
 457                 u32 dedicated_hotspares:1;
 458                 u32 revertible_hotspares:1;
 459                 u32 foreign_config_import:1;
 460                 u32 self_diagnostic:1;
 461                 u32 mixed_redundancy_arr:1;
 462                 u32 global_hot_spares:1;
 463                 u32 reserved:17;
 464
 465         } __attribute__ ((packed)) adapter_operations;
 466
 467         struct {
 468
 469                 u32 read_policy:1;
 470                 u32 write_policy:1;
 471                 u32 io_policy:1;
 472                 u32 access_policy:1;
 473                 u32 disk_cache_policy:1;
 474                 u32 reserved:27;
 475
 476         } __attribute__ ((packed)) ld_operations;
 477
 478         struct {
 479
 480                 u8 min;
 481                 u8 max;
 482                 u8 reserved[2];
 483
 484         } __attribute__ ((packed)) stripe_sz_ops;
 485
 486         struct {
 487
 488                 u32 force_online:1;
 489                 u32 force_offline:1;
 490                 u32 force_rebuild:1;
 491                 u32 reserved:29;
 492
 493         } __attribute__ ((packed)) pd_operations;
 494
 495         struct {
 496
 497                 u32 ctrl_supports_sas:1;
 498                 u32 ctrl_supports_sata:1;
 499                 u32 allow_mix_in_encl:1;
 500                 u32 allow_mix_in_ld:1;
 501                 u32 allow_sata_in_cluster:1;
 502                 u32 reserved:27;
 503
 504         } __attribute__ ((packed)) pd_mix_support;
 505
 506         /*
 507          * Define ECC single-bit-error bucket information
 508          */
 509         u8 ecc_bucket_count;
 510         u8 reserved_2[11];
 511
 512         /*
 513          * Include the controller properties (changeable items)
 514          */
 515         struct megasas_ctrl_prop properties;
 516
 517         /*
 518          * Define FW pkg version (set in envt v'bles on OEM basis)
 519          */
 520         char package_version[0x60];
 521
 522         u8 pad[0x800 - 0x6a0];
 523
 524 } __attribute__ ((packed));
 525
 526 /*
 527  * ===============================
 528  * MegaRAID SAS driver definitions
 529  * ===============================
 530  */
 531 #define MEGASAS_MAX_PD_CHANNELS                 2
 532 #define MEGASAS_MAX_LD_CHANNELS                 2
 533 #define MEGASAS_MAX_CHANNELS                    (MEGASAS_MAX_PD_CHANNELS + \
 534                                                 MEGASAS_MAX_LD_CHANNELS)
 535 #define MEGASAS_MAX_DEV_PER_CHANNEL             128
 536 #define MEGASAS_DEFAULT_INIT_ID                 -1
 537 #define MEGASAS_MAX_LUN                         8
 538 #define MEGASAS_MAX_LD                          64
 539
 540 #define MEGASAS_DBG_LVL                         1
 541
 542 #define MEGASAS_FW_BUSY                         1
 543
 544 /*
 545  * When SCSI mid-layer calls driver's reset routine, driver waits for
 546  * MEGASAS_RESET_WAIT_TIME seconds for all outstanding IO to complete. Note
 547  * that the driver cannot _actually_ abort or reset pending commands. While
 548  * it is waiting for the commands to complete, it prints a diagnostic message
 549  * every MEGASAS_RESET_NOTICE_INTERVAL seconds
 550  */
 551 #define MEGASAS_RESET_WAIT_TIME                 180
 552 #define MEGASAS_INTERNAL_CMD_WAIT_TIME          180
 553 #define MEGASAS_RESET_NOTICE_INTERVAL           5
 554 #define MEGASAS_IOCTL_CMD                       0
 555 #define MEGASAS_DEFAULT_CMD_TIMEOUT             90
 556
 557 /*
 558  * FW reports the maximum of number of commands that it can accept (maximum
 559  * commands that can be outstanding) at any time. The driver must report a
 560  * lower number to the mid layer because it can issue a few internal commands
 561  * itself (E.g, AEN, abort cmd, IOCTLs etc). The number of commands it needs
 562  * is shown below
 563  */
 564 #define MEGASAS_INT_CMDS                        32
 565
 566 /*
 567  * FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit
 568  * SGLs based on the size of dma_addr_t
 569  */
 570 #define IS_DMA64                                (sizeof(dma_addr_t) == 8)
 571
 572 #define MFI_OB_INTR_STATUS_MASK                 0x00000002
 573 #define MFI_POLL_TIMEOUT_SECS                   10
 574
 575 #define MFI_REPLY_1078_MESSAGE_INTERRUPT        0x80000000
 576
 577 /*
 578 * register set for both 1068 and 1078 controllers
 579 * structure extended for 1078 registers
 580 */
 581
 582 struct megasas_register_set {
 583         u32     reserved_0[4];                  /*0000h*/
 584
 585         u32     inbound_msg_0;                  /*0010h*/
 586         u32     inbound_msg_1;                  /*0014h*/
 587         u32     outbound_msg_0;                 /*0018h*/
 588         u32     outbound_msg_1;                 /*001Ch*/
 589
 590         u32     inbound_doorbell;               /*0020h*/
 591         u32     inbound_intr_status;            /*0024h*/
 592         u32     inbound_intr_mask;              /*0028h*/
 593
 594         u32     outbound_doorbell;              /*002Ch*/
 595         u32     outbound_intr_status;           /*0030h*/
 596         u32     outbound_intr_mask;             /*0034h*/
 597
 598         u32     reserved_1[2];                  /*0038h*/
 599
 600         u32     inbound_queue_port;             /*0040h*/
 601         u32     outbound_queue_port;            /*0044h*/
 602
 603         u32     reserved_2[22];                 /*0048h*/
 604
 605         u32     outbound_doorbell_clear;        /*00A0h*/
 606
 607         u32     reserved_3[3];                  /*00A4h*/
 608
 609         u32     outbound_scratch_pad ;          /*00B0h*/
 610
 611         u32     reserved_4[3];                  /*00B4h*/
 612
 613         u32     inbound_low_queue_port ;        /*00C0h*/
 614
 615         u32     inbound_high_queue_port ;       /*00C4h*/
 616
 617         u32     reserved_5;                     /*00C8h*/
 618         u32     index_registers[820];           /*00CCh*/
 619
 620 } __attribute__ ((packed));
 621
 622 struct megasas_sge32 {
 623
 624         u32 phys_addr;
 625         u32 length;
 626
 627 } __attribute__ ((packed));
 628
 629 struct megasas_sge64 {
 630
 631         u64 phys_addr;
 632         u32 length;
 633
 634 } __attribute__ ((packed));
 635
 636 union megasas_sgl {
 637
 638         struct megasas_sge32 sge32[1];
 639         struct megasas_sge64 sge64[1];
 640
 641 } __attribute__ ((packed));
 642
 643 struct megasas_header {
 644
 645         u8 cmd;                 /*00h */
 646         u8 sense_len;           /*01h */
 647         u8 cmd_status;          /*02h */
 648         u8 scsi_status;         /*03h */
 649
 650         u8 target_id;           /*04h */
 651         u8 lun;                 /*05h */
 652         u8 cdb_len;             /*06h */
 653         u8 sge_count;           /*07h */
 654
 655         u32 context;            /*08h */
 656         u32 pad_0;              /*0Ch */
 657
 658         u16 flags;              /*10h */
 659         u16 timeout;            /*12h */
 660         u32 data_xferlen;       /*14h */
 661
 662 } __attribute__ ((packed));
 663
 664 union megasas_sgl_frame {
 665
 666         struct megasas_sge32 sge32[8];
 667         struct megasas_sge64 sge64[5];
 668
 669 } __attribute__ ((packed));
 670
 671 struct megasas_init_frame {
 672
 673         u8 cmd;                 /*00h */
 674         u8 reserved_0;          /*01h */
 675         u8 cmd_status;          /*02h */
 676
 677         u8 reserved_1;          /*03h */
 678         u32 reserved_2;         /*04h */
 679
 680         u32 context;            /*08h */
 681         u32 pad_0;              /*0Ch */
 682
 683         u16 flags;              /*10h */
 684         u16 reserved_3;         /*12h */
 685         u32 data_xfer_len;      /*14h */
 686
 687         u32 queue_info_new_phys_addr_lo;        /*18h */
 688         u32 queue_info_new_phys_addr_hi;        /*1Ch */
 689         u32 queue_info_old_phys_addr_lo;        /*20h */
 690         u32 queue_info_old_phys_addr_hi;        /*24h */
 691
 692         u32 reserved_4[6];      /*28h */
 693
 694 } __attribute__ ((packed));
 695
 696 struct megasas_init_queue_info {
 697
 698         u32 init_flags;         /*00h */
 699         u32 reply_queue_entries;        /*04h */
 700
 701         u32 reply_queue_start_phys_addr_lo;     /*08h */
 702         u32 reply_queue_start_phys_addr_hi;     /*0Ch */
 703         u32 producer_index_phys_addr_lo;        /*10h */
 704         u32 producer_index_phys_addr_hi;        /*14h */
 705         u32 consumer_index_phys_addr_lo;        /*18h */
 706         u32 consumer_index_phys_addr_hi;        /*1Ch */
 707
 708 } __attribute__ ((packed));
 709
 710 struct megasas_io_frame {
 711
 712         u8 cmd;                 /*00h */
 713         u8 sense_len;           /*01h */
 714         u8 cmd_status;          /*02h */
 715         u8 scsi_status;         /*03h */
 716
 717         u8 target_id;           /*04h */
 718         u8 access_byte;         /*05h */
 719         u8 reserved_0;          /*06h */
 720         u8 sge_count;           /*07h */
 721
 722         u32 context;            /*08h */
 723         u32 pad_0;              /*0Ch */
 724
 725         u16 flags;              /*10h */
 726         u16 timeout;            /*12h */
 727         u32 lba_count;          /*14h */
 728
 729         u32 sense_buf_phys_addr_lo;     /*18h */
 730         u32 sense_buf_phys_addr_hi;     /*1Ch */
 731
 732         u32 start_lba_lo;       /*20h */
 733         u32 start_lba_hi;       /*24h */
 734
 735         union megasas_sgl sgl;  /*28h */
 736
 737 } __attribute__ ((packed));
 738
 739 struct megasas_pthru_frame {
 740
 741         u8 cmd;                 /*00h */
 742         u8 sense_len;           /*01h */
 743         u8 cmd_status;          /*02h */
 744         u8 scsi_status;         /*03h */
 745
 746         u8 target_id;           /*04h */
 747         u8 lun;                 /*05h */
 748         u8 cdb_len;             /*06h */
 749         u8 sge_count;           /*07h */
 750
 751         u32 context;            /*08h */
 752         u32 pad_0;              /*0Ch */
 753
 754         u16 flags;              /*10h */
 755         u16 timeout;            /*12h */
 756         u32 data_xfer_len;      /*14h */
 757
 758         u32 sense_buf_phys_addr_lo;     /*18h */
 759         u32 sense_buf_phys_addr_hi;     /*1Ch */
 760
 761         u8 cdb[16];             /*20h */
 762         union megasas_sgl sgl;  /*30h */
 763
 764 } __attribute__ ((packed));
 765
 766 struct megasas_dcmd_frame {
 767
 768         u8 cmd;                 /*00h */
 769         u8 reserved_0;          /*01h */
 770         u8 cmd_status;          /*02h */
 771         u8 reserved_1[4];       /*03h */
 772         u8 sge_count;           /*07h */
 773
 774         u32 context;            /*08h */
 775         u32 pad_0;              /*0Ch */
 776
 777         u16 flags;              /*10h */
 778         u16 timeout;            /*12h */
 779
 780         u32 data_xfer_len;      /*14h */
 781         u32 opcode;             /*18h */
 782
 783         union {                 /*1Ch */
 784                 u8 b[12];
 785                 u16 s[6];
 786                 u32 w[3];
 787         } mbox;
 788
 789         union megasas_sgl sgl;  /*28h */
 790
 791 } __attribute__ ((packed));
 792
 793 struct megasas_abort_frame {
 794
 795         u8 cmd;                 /*00h */
 796         u8 reserved_0;          /*01h */
 797         u8 cmd_status;          /*02h */
 798
 799         u8 reserved_1;          /*03h */
 800         u32 reserved_2;         /*04h */
 801
 802         u32 context;            /*08h */
 803         u32 pad_0;              /*0Ch */
 804
 805         u16 flags;              /*10h */
 806         u16 reserved_3;         /*12h */
 807         u32 reserved_4;         /*14h */
 808
 809         u32 abort_context;      /*18h */
 810         u32 pad_1;              /*1Ch */
 811
 812         u32 abort_mfi_phys_addr_lo;     /*20h */
 813         u32 abort_mfi_phys_addr_hi;     /*24h */
 814
 815         u32 reserved_5[6];      /*28h */
 816
 817 } __attribute__ ((packed));
 818
 819 struct megasas_smp_frame {
 820
 821         u8 cmd;                 /*00h */
 822         u8 reserved_1;          /*01h */
 823         u8 cmd_status;          /*02h */
 824         u8 connection_status;   /*03h */
 825
 826         u8 reserved_2[3];       /*04h */
 827         u8 sge_count;           /*07h */
 828
 829         u32 context;            /*08h */
 830         u32 pad_0;              /*0Ch */
 831
 832         u16 flags;              /*10h */
 833         u16 timeout;            /*12h */
 834
 835         u32 data_xfer_len;      /*14h */
 836         u64 sas_addr;           /*18h */
 837
 838         union {
 839                 struct megasas_sge32 sge32[2];  /* [0]: resp [1]: req */
 840                 struct megasas_sge64 sge64[2];  /* [0]: resp [1]: req */
 841         } sgl;
 842
 843 } __attribute__ ((packed));
 844
 845 struct megasas_stp_frame {
 846
 847         u8 cmd;                 /*00h */
 848         u8 reserved_1;          /*01h */
 849         u8 cmd_status;          /*02h */
 850         u8 reserved_2;          /*03h */
 851
 852         u8 target_id;           /*04h */
 853         u8 reserved_3[2];       /*05h */
 854         u8 sge_count;           /*07h */
 855
 856         u32 context;            /*08h */
 857         u32 pad_0;              /*0Ch */
 858
 859         u16 flags;              /*10h */
 860         u16 timeout;            /*12h */
 861
 862         u32 data_xfer_len;      /*14h */
 863
 864         u16 fis[10];            /*18h */
 865         u32 stp_flags;
 866
 867         union {
 868                 struct megasas_sge32 sge32[2];  /* [0]: resp [1]: data */
 869                 struct megasas_sge64 sge64[2];  /* [0]: resp [1]: data */
 870         } sgl;
 871
 872 } __attribute__ ((packed));
 873
 874 union megasas_frame {
 875
 876         struct megasas_header hdr;
 877         struct megasas_init_frame init;
 878         struct megasas_io_frame io;
 879         struct megasas_pthru_frame pthru;
 880         struct megasas_dcmd_frame dcmd;
 881         struct megasas_abort_frame abort;
 882         struct megasas_smp_frame smp;
 883         struct megasas_stp_frame stp;
 884
 885         u8 raw_bytes[64];
 886 };
 887
 888 struct megasas_cmd;
 889
 890 union megasas_evt_class_locale {
 891
 892         struct {
 893                 u16 locale;
 894                 u8 reserved;
 895                 s8 class;
 896         } __attribute__ ((packed)) members;
 897
 898         u32 word;
 899
 900 } __attribute__ ((packed));
 901
 902 struct megasas_evt_log_info {
 903         u32 newest_seq_num;
 904         u32 oldest_seq_num;
 905         u32 clear_seq_num;
 906         u32 shutdown_seq_num;
 907         u32 boot_seq_num;
 908
 909 } __attribute__ ((packed));
 910
 911 struct megasas_progress {
 912
 913         u16 progress;
 914         u16 elapsed_seconds;
 915
 916 } __attribute__ ((packed));
 917
 918 struct megasas_evtarg_ld {
 919
 920         u16 target_id;
 921         u8 ld_index;
 922         u8 reserved;
 923
 924 } __attribute__ ((packed));
 925
 926 struct megasas_evtarg_pd {
 927         u16 device_id;
 928         u8 encl_index;
 929         u8 slot_number;
 930
 931 } __attribute__ ((packed));
 932
 933 struct megasas_evt_detail {
 934
 935         u32 seq_num;
 936         u32 time_stamp;
 937         u32 code;
 938         union megasas_evt_class_locale cl;
 939         u8 arg_type;
 940         u8 reserved1[15];
 941
 942         union {
 943                 struct {
 944                         struct megasas_evtarg_pd pd;
 945                         u8 cdb_length;
 946                         u8 sense_length;
 947                         u8 reserved[2];
 948                         u8 cdb[16];
 949                         u8 sense[64];
 950                 } __attribute__ ((packed)) cdbSense;
 951
 952                 struct megasas_evtarg_ld ld;
 953
 954                 struct {
 955                         struct megasas_evtarg_ld ld;
 956                         u64 count;
 957                 } __attribute__ ((packed)) ld_count;
 958
 959                 struct {
 960                         u64 lba;
 961                         struct megasas_evtarg_ld ld;
 962                 } __attribute__ ((packed)) ld_lba;
 963
 964                 struct {
 965                         struct megasas_evtarg_ld ld;
 966                         u32 prevOwner;
 967                         u32 newOwner;
 968                 } __attribute__ ((packed)) ld_owner;
 969
 970                 struct {
 971                         u64 ld_lba;
 972                         u64 pd_lba;
 973                         struct megasas_evtarg_ld ld;
 974                         struct megasas_evtarg_pd pd;
 975                 } __attribute__ ((packed)) ld_lba_pd_lba;
 976
 977                 struct {
 978                         struct megasas_evtarg_ld ld;
 979                         struct megasas_progress prog;
 980                 } __attribute__ ((packed)) ld_prog;
 981
 982                 struct {
 983                         struct megasas_evtarg_ld ld;
 984                         u32 prev_state;
 985                         u32 new_state;
 986                 } __attribute__ ((packed)) ld_state;
 987
 988                 struct {
 989                         u64 strip;
 990                         struct megasas_evtarg_ld ld;
 991                 } __attribute__ ((packed)) ld_strip;
 992
 993                 struct megasas_evtarg_pd pd;
 994
 995                 struct {
 996                         struct megasas_evtarg_pd pd;
 997                         u32 err;
 998                 } __attribute__ ((packed)) pd_err;
 999
1000                 struct {
1001                         u64 lba;
1002                         struct megasas_evtarg_pd pd;
1003                 } __attribute__ ((packed)) pd_lba;
1004
1005                 struct {
1006                         u64 lba;
1007                         struct megasas_evtarg_pd pd;
1008                         struct megasas_evtarg_ld ld;
1009                 } __attribute__ ((packed)) pd_lba_ld;
1010
1011                 struct {
1012                         struct megasas_evtarg_pd pd;
1013                         struct megasas_progress prog;
1014                 } __attribute__ ((packed)) pd_prog;
1015
1016                 struct {
1017                         struct megasas_evtarg_pd pd;
1018                         u32 prevState;
1019                         u32 newState;
1020                 } __attribute__ ((packed)) pd_state;
1021
1022                 struct {
1023                         u16 vendorId;
1024                         u16 deviceId;
1025                         u16 subVendorId;
1026                         u16 subDeviceId;
1027                 } __attribute__ ((packed)) pci;
1028
1029                 u32 rate;
1030                 char str[96];
1031
1032                 struct {
1033                         u32 rtc;
1034                         u32 elapsedSeconds;
1035                 } __attribute__ ((packed)) time;
1036
1037                 struct {
1038                         u32 ecar;
1039                         u32 elog;
1040                         char str[64];
1041                 } __attribute__ ((packed)) ecc;
1042
1043                 u8 b[96];
1044                 u16 s[48];
1045                 u32 w[24];
1046                 u64 d[12];
1047         } args;
1048
1049         char description[128];
1050
1051 } __attribute__ ((packed));
1052
1053  struct megasas_instance_template {
1054         void (*fire_cmd)(dma_addr_t ,u32 ,struct megasas_register_set __iomem *);
1055
1056         void (*enable_intr)(struct megasas_register_set __iomem *) ;
1057         void (*disable_intr)(struct megasas_register_set __iomem *);
1058
1059         int (*clear_intr)(struct megasas_register_set __iomem *);
1060
1061         u32 (*read_fw_status_reg)(struct megasas_register_set __iomem *);
1062  };
1063
1064 struct megasas_instance {
1065
1066         u32 *producer;
1067         dma_addr_t producer_h;
1068         u32 *consumer;
1069         dma_addr_t consumer_h;
1070
1071         u32 *reply_queue;
1072         dma_addr_t reply_queue_h;
1073
1074         unsigned long base_addr;
1075         struct megasas_register_set __iomem *reg_set;
1076
1077         s8 init_id;
1078
1079         u16 max_num_sge;
1080         u16 max_fw_cmds;
1081         u32 max_sectors_per_req;
1082
1083         struct megasas_cmd **cmd_list;
1084         struct list_head cmd_pool;
1085         spinlock_t cmd_pool_lock;
1086         struct dma_pool *frame_dma_pool;
1087         struct dma_pool *sense_dma_pool;
1088
1089         struct megasas_evt_detail *evt_detail;
1090         dma_addr_t evt_detail_h;
1091         struct megasas_cmd *aen_cmd;
1092         struct semaphore aen_mutex;
1093         struct semaphore ioctl_sem;
1094
1095         struct Scsi_Host *host;
1096
1097         wait_queue_head_t int_cmd_wait_q;
1098         wait_queue_head_t abort_cmd_wait_q;
1099
1100         struct pci_dev *pdev;
1101         u32 unique_id;
1102
1103         atomic_t fw_outstanding;
1104         u32 hw_crit_error;
1105
1106         struct megasas_instance_template *instancet;
1107         struct tasklet_struct isr_tasklet;
1108
1109         u8 flag;
1110         unsigned long last_time;
1111 };
1112
1113 #define MEGASAS_IS_LOGICAL(scp)                                         \
1114         (scp->device->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1
1115
1116 #define MEGASAS_DEV_INDEX(inst, scp)                                    \
1117         ((scp->device->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) +    \
1118         scp->device->id
1119
1120 struct megasas_cmd {
1121
1122         union megasas_frame *frame;
1123         dma_addr_t frame_phys_addr;
1124         u8 *sense;
1125         dma_addr_t sense_phys_addr;
1126
1127         u32 index;
1128         u8 sync_cmd;
1129         u8 cmd_status;
1130         u16 abort_aen;
1131
1132         struct list_head list;
1133         struct scsi_cmnd *scmd;
1134         struct megasas_instance *instance;
1135         u32 frame_count;
1136 };
1137
1138 #define MAX_MGMT_ADAPTERS               1024
1139 #define MAX_IOCTL_SGE                   16
1140
1141 struct megasas_iocpacket {
1142
1143         u16 host_no;
1144         u16 __pad1;
1145         u32 sgl_off;
1146         u32 sge_count;
1147         u32 sense_off;
1148         u32 sense_len;
1149         union {
1150                 u8 raw[128];
1151                 struct megasas_header hdr;
1152         } frame;
1153
1154         struct iovec sgl[MAX_IOCTL_SGE];
1155
1156 } __attribute__ ((packed));
1157
1158 struct megasas_aen {
1159         u16 host_no;
1160         u16 __pad1;
1161         u32 seq_num;
1162         u32 class_locale_word;
1163 } __attribute__ ((packed));
1164
1165 #ifdef CONFIG_COMPAT
1166 struct compat_megasas_iocpacket {
1167         u16 host_no;
1168         u16 __pad1;
1169         u32 sgl_off;
1170         u32 sge_count;
1171         u32 sense_off;
1172         u32 sense_len;
1173         union {
1174                 u8 raw[128];
1175                 struct megasas_header hdr;
1176         } frame;
1177         struct compat_iovec sgl[MAX_IOCTL_SGE];
1178 } __attribute__ ((packed));
1179
1180 #define MEGASAS_IOC_FIRMWARE32  _IOWR('M', 1, struct compat_megasas_iocpacket)
1181 #endif
1182
1183 #define MEGASAS_IOC_FIRMWARE    _IOWR('M', 1, struct megasas_iocpacket)
1184 #define MEGASAS_IOC_GET_AEN     _IOW('M', 3, struct megasas_aen)
1185
1186 struct megasas_mgmt_info {
1187
1188         u16 count;
1189         struct megasas_instance *instance[MAX_MGMT_ADAPTERS];
1190         int max_index;
1191 };
1192
1193 #endif                          /*LSI_MEGARAID_SAS_H */