1 /* 2 * Linux MegaRAID driver for SAS based RAID controllers 3 * 4 * Copyright (c) 2009-2011 LSI Corporation. 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License 8 * as published by the Free Software Foundation; either version 2 9 * of the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 * 20 * FILE: megaraid_sas.h 21 * 22 * Authors: LSI Corporation 23 * 24 * Send feedback to: <megaraidlinux@lsi.com> 25 * 26 * Mail to: LSI Corporation, 1621 Barber Lane, Milpitas, CA 95035 27 * ATTN: Linuxraid 28 */ 29 30 #ifndef LSI_MEGARAID_SAS_H 31 #define LSI_MEGARAID_SAS_H 32 33 /* 34 * MegaRAID SAS Driver meta data 35 */ 36 #define MEGASAS_VERSION "00.00.06.14-rc1" 37 #define MEGASAS_RELDATE "Jan. 6, 2012" 38 #define MEGASAS_EXT_VERSION "Fri. Jan. 6 17:00:00 PDT 2012" 39 40 /* 41 * Device IDs 42 */ 43 #define PCI_DEVICE_ID_LSI_SAS1078R 0x0060 44 #define PCI_DEVICE_ID_LSI_SAS1078DE 0x007C 45 #define PCI_DEVICE_ID_LSI_VERDE_ZCR 0x0413 46 #define PCI_DEVICE_ID_LSI_SAS1078GEN2 0x0078 47 #define PCI_DEVICE_ID_LSI_SAS0079GEN2 0x0079 48 #define PCI_DEVICE_ID_LSI_SAS0073SKINNY 0x0073 49 #define PCI_DEVICE_ID_LSI_SAS0071SKINNY 0x0071 50 #define PCI_DEVICE_ID_LSI_FUSION 0x005b 51 #define PCI_DEVICE_ID_LSI_INVADER 0x005d 52 53 /* 54 * ===================================== 55 * MegaRAID SAS MFI firmware definitions 56 * ===================================== 57 */ 58 59 /* 60 * MFI stands for MegaRAID SAS FW Interface. This is just a moniker for 61 * protocol between the software and firmware. Commands are issued using 62 * "message frames" 63 */ 64 65 /* 66 * FW posts its state in upper 4 bits of outbound_msg_0 register 67 */ 68 #define MFI_STATE_MASK 0xF0000000 69 #define MFI_STATE_UNDEFINED 0x00000000 70 #define MFI_STATE_BB_INIT 0x10000000 71 #define MFI_STATE_FW_INIT 0x40000000 72 #define MFI_STATE_WAIT_HANDSHAKE 0x60000000 73 #define MFI_STATE_FW_INIT_2 0x70000000 74 #define MFI_STATE_DEVICE_SCAN 0x80000000 75 #define MFI_STATE_BOOT_MESSAGE_PENDING 0x90000000 76 #define MFI_STATE_FLUSH_CACHE 0xA0000000 77 #define MFI_STATE_READY 0xB0000000 78 #define MFI_STATE_OPERATIONAL 0xC0000000 79 #define MFI_STATE_FAULT 0xF0000000 80 #define MFI_RESET_REQUIRED 0x00000001 81 #define MFI_RESET_ADAPTER 0x00000002 82 #define MEGAMFI_FRAME_SIZE 64 83 84 /* 85 * During FW init, clear pending cmds & reset state using inbound_msg_0 86 * 87 * ABORT : Abort all pending cmds 88 * READY : Move from OPERATIONAL to READY state; discard queue info 89 * MFIMODE : Discard (possible) low MFA posted in 64-bit mode (??) 90 * CLR_HANDSHAKE: FW is waiting for HANDSHAKE from BIOS or Driver 91 * HOTPLUG : Resume from Hotplug 92 * MFI_STOP_ADP : Send signal to FW to stop processing 93 */ 94 #define WRITE_SEQUENCE_OFFSET (0x0000000FC) /* I20 */ 95 #define HOST_DIAGNOSTIC_OFFSET (0x000000F8) /* I20 */ 96 #define DIAG_WRITE_ENABLE (0x00000080) 97 #define DIAG_RESET_ADAPTER (0x00000004) 98 99 #define MFI_ADP_RESET 0x00000040 100 #define MFI_INIT_ABORT 0x00000001 101 #define MFI_INIT_READY 0x00000002 102 #define MFI_INIT_MFIMODE 0x00000004 103 #define MFI_INIT_CLEAR_HANDSHAKE 0x00000008 104 #define MFI_INIT_HOTPLUG 0x00000010 105 #define MFI_STOP_ADP 0x00000020 106 #define MFI_RESET_FLAGS MFI_INIT_READY| \ 107 MFI_INIT_MFIMODE| \ 108 MFI_INIT_ABORT 109 110 /* 111 * MFI frame flags 112 */ 113 #define MFI_FRAME_POST_IN_REPLY_QUEUE 0x0000 114 #define MFI_FRAME_DONT_POST_IN_REPLY_QUEUE 0x0001 115 #define MFI_FRAME_SGL32 0x0000 116 #define MFI_FRAME_SGL64 0x0002 117 #define MFI_FRAME_SENSE32 0x0000 118 #define MFI_FRAME_SENSE64 0x0004 119 #define MFI_FRAME_DIR_NONE 0x0000 120 #define MFI_FRAME_DIR_WRITE 0x0008 121 #define MFI_FRAME_DIR_READ 0x0010 122 #define MFI_FRAME_DIR_BOTH 0x0018 123 #define MFI_FRAME_IEEE 0x0020 124 125 /* 126 * Definition for cmd_status 127 */ 128 #define MFI_CMD_STATUS_POLL_MODE 0xFF 129 130 /* 131 * MFI command opcodes 132 */ 133 #define MFI_CMD_INIT 0x00 134 #define MFI_CMD_LD_READ 0x01 135 #define MFI_CMD_LD_WRITE 0x02 136 #define MFI_CMD_LD_SCSI_IO 0x03 137 #define MFI_CMD_PD_SCSI_IO 0x04 138 #define MFI_CMD_DCMD 0x05 139 #define MFI_CMD_ABORT 0x06 140 #define MFI_CMD_SMP 0x07 141 #define MFI_CMD_STP 0x08 142 #define MFI_CMD_INVALID 0xff 143 144 #define MR_DCMD_CTRL_GET_INFO 0x01010000 145 #define MR_DCMD_LD_GET_LIST 0x03010000 146 147 #define MR_DCMD_CTRL_CACHE_FLUSH 0x01101000 148 #define MR_FLUSH_CTRL_CACHE 0x01 149 #define MR_FLUSH_DISK_CACHE 0x02 150 151 #define MR_DCMD_CTRL_SHUTDOWN 0x01050000 152 #define MR_DCMD_HIBERNATE_SHUTDOWN 0x01060000 153 #define MR_ENABLE_DRIVE_SPINDOWN 0x01 154 155 #define MR_DCMD_CTRL_EVENT_GET_INFO 0x01040100 156 #define MR_DCMD_CTRL_EVENT_GET 0x01040300 157 #define MR_DCMD_CTRL_EVENT_WAIT 0x01040500 158 #define MR_DCMD_LD_GET_PROPERTIES 0x03030000 159 160 #define MR_DCMD_CLUSTER 0x08000000 161 #define MR_DCMD_CLUSTER_RESET_ALL 0x08010100 162 #define MR_DCMD_CLUSTER_RESET_LD 0x08010200 163 #define MR_DCMD_PD_LIST_QUERY 0x02010100 164 165 /* 166 * MFI command completion codes 167 */ 168 enum MFI_STAT { 169 MFI_STAT_OK = 0x00, 170 MFI_STAT_INVALID_CMD = 0x01, 171 MFI_STAT_INVALID_DCMD = 0x02, 172 MFI_STAT_INVALID_PARAMETER = 0x03, 173 MFI_STAT_INVALID_SEQUENCE_NUMBER = 0x04, 174 MFI_STAT_ABORT_NOT_POSSIBLE = 0x05, 175 MFI_STAT_APP_HOST_CODE_NOT_FOUND = 0x06, 176 MFI_STAT_APP_IN_USE = 0x07, 177 MFI_STAT_APP_NOT_INITIALIZED = 0x08, 178 MFI_STAT_ARRAY_INDEX_INVALID = 0x09, 179 MFI_STAT_ARRAY_ROW_NOT_EMPTY = 0x0a, 180 MFI_STAT_CONFIG_RESOURCE_CONFLICT = 0x0b, 181 MFI_STAT_DEVICE_NOT_FOUND = 0x0c, 182 MFI_STAT_DRIVE_TOO_SMALL = 0x0d, 183 MFI_STAT_FLASH_ALLOC_FAIL = 0x0e, 184 MFI_STAT_FLASH_BUSY = 0x0f, 185 MFI_STAT_FLASH_ERROR = 0x10, 186 MFI_STAT_FLASH_IMAGE_BAD = 0x11, 187 MFI_STAT_FLASH_IMAGE_INCOMPLETE = 0x12, 188 MFI_STAT_FLASH_NOT_OPEN = 0x13, 189 MFI_STAT_FLASH_NOT_STARTED = 0x14, 190 MFI_STAT_FLUSH_FAILED = 0x15, 191 MFI_STAT_HOST_CODE_NOT_FOUNT = 0x16, 192 MFI_STAT_LD_CC_IN_PROGRESS = 0x17, 193 MFI_STAT_LD_INIT_IN_PROGRESS = 0x18, 194 MFI_STAT_LD_LBA_OUT_OF_RANGE = 0x19, 195 MFI_STAT_LD_MAX_CONFIGURED = 0x1a, 196 MFI_STAT_LD_NOT_OPTIMAL = 0x1b, 197 MFI_STAT_LD_RBLD_IN_PROGRESS = 0x1c, 198 MFI_STAT_LD_RECON_IN_PROGRESS = 0x1d, 199 MFI_STAT_LD_WRONG_RAID_LEVEL = 0x1e, 200 MFI_STAT_MAX_SPARES_EXCEEDED = 0x1f, 201 MFI_STAT_MEMORY_NOT_AVAILABLE = 0x20, 202 MFI_STAT_MFC_HW_ERROR = 0x21, 203 MFI_STAT_NO_HW_PRESENT = 0x22, 204 MFI_STAT_NOT_FOUND = 0x23, 205 MFI_STAT_NOT_IN_ENCL = 0x24, 206 MFI_STAT_PD_CLEAR_IN_PROGRESS = 0x25, 207 MFI_STAT_PD_TYPE_WRONG = 0x26, 208 MFI_STAT_PR_DISABLED = 0x27, 209 MFI_STAT_ROW_INDEX_INVALID = 0x28, 210 MFI_STAT_SAS_CONFIG_INVALID_ACTION = 0x29, 211 MFI_STAT_SAS_CONFIG_INVALID_DATA = 0x2a, 212 MFI_STAT_SAS_CONFIG_INVALID_PAGE = 0x2b, 213 MFI_STAT_SAS_CONFIG_INVALID_TYPE = 0x2c, 214 MFI_STAT_SCSI_DONE_WITH_ERROR = 0x2d, 215 MFI_STAT_SCSI_IO_FAILED = 0x2e, 216 MFI_STAT_SCSI_RESERVATION_CONFLICT = 0x2f, 217 MFI_STAT_SHUTDOWN_FAILED = 0x30, 218 MFI_STAT_TIME_NOT_SET = 0x31, 219 MFI_STAT_WRONG_STATE = 0x32, 220 MFI_STAT_LD_OFFLINE = 0x33, 221 MFI_STAT_PEER_NOTIFICATION_REJECTED = 0x34, 222 MFI_STAT_PEER_NOTIFICATION_FAILED = 0x35, 223 MFI_STAT_RESERVATION_IN_PROGRESS = 0x36, 224 MFI_STAT_I2C_ERRORS_DETECTED = 0x37, 225 MFI_STAT_PCI_ERRORS_DETECTED = 0x38, 226 MFI_STAT_CONFIG_SEQ_MISMATCH = 0x67, 227 228 MFI_STAT_INVALID_STATUS = 0xFF 229 }; 230 231 /* 232 * Number of mailbox bytes in DCMD message frame 233 */ 234 #define MFI_MBOX_SIZE 12 235 236 enum MR_EVT_CLASS { 237 238 MR_EVT_CLASS_DEBUG = -2, 239 MR_EVT_CLASS_PROGRESS = -1, 240 MR_EVT_CLASS_INFO = 0, 241 MR_EVT_CLASS_WARNING = 1, 242 MR_EVT_CLASS_CRITICAL = 2, 243 MR_EVT_CLASS_FATAL = 3, 244 MR_EVT_CLASS_DEAD = 4, 245 246 }; 247 248 enum MR_EVT_LOCALE { 249 250 MR_EVT_LOCALE_LD = 0x0001, 251 MR_EVT_LOCALE_PD = 0x0002, 252 MR_EVT_LOCALE_ENCL = 0x0004, 253 MR_EVT_LOCALE_BBU = 0x0008, 254 MR_EVT_LOCALE_SAS = 0x0010, 255 MR_EVT_LOCALE_CTRL = 0x0020, 256 MR_EVT_LOCALE_CONFIG = 0x0040, 257 MR_EVT_LOCALE_CLUSTER = 0x0080, 258 MR_EVT_LOCALE_ALL = 0xffff, 259 260 }; 261 262 enum MR_EVT_ARGS { 263 264 MR_EVT_ARGS_NONE, 265 MR_EVT_ARGS_CDB_SENSE, 266 MR_EVT_ARGS_LD, 267 MR_EVT_ARGS_LD_COUNT, 268 MR_EVT_ARGS_LD_LBA, 269 MR_EVT_ARGS_LD_OWNER, 270 MR_EVT_ARGS_LD_LBA_PD_LBA, 271 MR_EVT_ARGS_LD_PROG, 272 MR_EVT_ARGS_LD_STATE, 273 MR_EVT_ARGS_LD_STRIP, 274 MR_EVT_ARGS_PD, 275 MR_EVT_ARGS_PD_ERR, 276 MR_EVT_ARGS_PD_LBA, 277 MR_EVT_ARGS_PD_LBA_LD, 278 MR_EVT_ARGS_PD_PROG, 279 MR_EVT_ARGS_PD_STATE, 280 MR_EVT_ARGS_PCI, 281 MR_EVT_ARGS_RATE, 282 MR_EVT_ARGS_STR, 283 MR_EVT_ARGS_TIME, 284 MR_EVT_ARGS_ECC, 285 MR_EVT_ARGS_LD_PROP, 286 MR_EVT_ARGS_PD_SPARE, 287 MR_EVT_ARGS_PD_INDEX, 288 MR_EVT_ARGS_DIAG_PASS, 289 MR_EVT_ARGS_DIAG_FAIL, 290 MR_EVT_ARGS_PD_LBA_LBA, 291 MR_EVT_ARGS_PORT_PHY, 292 MR_EVT_ARGS_PD_MISSING, 293 MR_EVT_ARGS_PD_ADDRESS, 294 MR_EVT_ARGS_BITMAP, 295 MR_EVT_ARGS_CONNECTOR, 296 MR_EVT_ARGS_PD_PD, 297 MR_EVT_ARGS_PD_FRU, 298 MR_EVT_ARGS_PD_PATHINFO, 299 MR_EVT_ARGS_PD_POWER_STATE, 300 MR_EVT_ARGS_GENERIC, 301 }; 302 303 /* 304 * define constants for device list query options 305 */ 306 enum MR_PD_QUERY_TYPE { 307 MR_PD_QUERY_TYPE_ALL = 0, 308 MR_PD_QUERY_TYPE_STATE = 1, 309 MR_PD_QUERY_TYPE_POWER_STATE = 2, 310 MR_PD_QUERY_TYPE_MEDIA_TYPE = 3, 311 MR_PD_QUERY_TYPE_SPEED = 4, 312 MR_PD_QUERY_TYPE_EXPOSED_TO_HOST = 5, 313 }; 314 315 #define MR_EVT_CFG_CLEARED 0x0004 316 #define MR_EVT_LD_STATE_CHANGE 0x0051 317 #define MR_EVT_PD_INSERTED 0x005b 318 #define MR_EVT_PD_REMOVED 0x0070 319 #define MR_EVT_LD_CREATED 0x008a 320 #define MR_EVT_LD_DELETED 0x008b 321 #define MR_EVT_FOREIGN_CFG_IMPORTED 0x00db 322 #define MR_EVT_LD_OFFLINE 0x00fc 323 #define MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED 0x0152 324 #define MAX_LOGICAL_DRIVES 64 325 326 enum MR_PD_STATE { 327 MR_PD_STATE_UNCONFIGURED_GOOD = 0x00, 328 MR_PD_STATE_UNCONFIGURED_BAD = 0x01, 329 MR_PD_STATE_HOT_SPARE = 0x02, 330 MR_PD_STATE_OFFLINE = 0x10, 331 MR_PD_STATE_FAILED = 0x11, 332 MR_PD_STATE_REBUILD = 0x14, 333 MR_PD_STATE_ONLINE = 0x18, 334 MR_PD_STATE_COPYBACK = 0x20, 335 MR_PD_STATE_SYSTEM = 0x40, 336 }; 337 338 339 /* 340 * defines the physical drive address structure 341 */ 342 struct MR_PD_ADDRESS { 343 u16 deviceId; 344 u16 enclDeviceId; 345 346 union { 347 struct { 348 u8 enclIndex; 349 u8 slotNumber; 350 } mrPdAddress; 351 struct { 352 u8 enclPosition; 353 u8 enclConnectorIndex; 354 } mrEnclAddress; 355 }; 356 u8 scsiDevType; 357 union { 358 u8 connectedPortBitmap; 359 u8 connectedPortNumbers; 360 }; 361 u64 sasAddr[2]; 362 } __packed; 363 364 /* 365 * defines the physical drive list structure 366 */ 367 struct MR_PD_LIST { 368 u32 size; 369 u32 count; 370 struct MR_PD_ADDRESS addr[1]; 371 } __packed; 372 373 struct megasas_pd_list { 374 u16 tid; 375 u8 driveType; 376 u8 driveState; 377 } __packed; 378 379 /* 380 * defines the logical drive reference structure 381 */ 382 union MR_LD_REF { 383 struct { 384 u8 targetId; 385 u8 reserved; 386 u16 seqNum; 387 }; 388 u32 ref; 389 } __packed; 390 391 /* 392 * defines the logical drive list structure 393 */ 394 struct MR_LD_LIST { 395 u32 ldCount; 396 u32 reserved; 397 struct { 398 union MR_LD_REF ref; 399 u8 state; 400 u8 reserved[3]; 401 u64 size; 402 } ldList[MAX_LOGICAL_DRIVES]; 403 } __packed; 404 405 /* 406 * SAS controller properties 407 */ 408 struct megasas_ctrl_prop { 409 410 u16 seq_num; 411 u16 pred_fail_poll_interval; 412 u16 intr_throttle_count; 413 u16 intr_throttle_timeouts; 414 u8 rebuild_rate; 415 u8 patrol_read_rate; 416 u8 bgi_rate; 417 u8 cc_rate; 418 u8 recon_rate; 419 u8 cache_flush_interval; 420 u8 spinup_drv_count; 421 u8 spinup_delay; 422 u8 cluster_enable; 423 u8 coercion_mode; 424 u8 alarm_enable; 425 u8 disable_auto_rebuild; 426 u8 disable_battery_warn; 427 u8 ecc_bucket_size; 428 u16 ecc_bucket_leak_rate; 429 u8 restore_hotspare_on_insertion; 430 u8 expose_encl_devices; 431 u8 maintainPdFailHistory; 432 u8 disallowHostRequestReordering; 433 u8 abortCCOnError; 434 u8 loadBalanceMode; 435 u8 disableAutoDetectBackplane; 436 437 u8 snapVDSpace; 438 439 /* 440 * Add properties that can be controlled by 441 * a bit in the following structure. 442 */ 443 struct { 444 u32 copyBackDisabled : 1; 445 u32 SMARTerEnabled : 1; 446 u32 prCorrectUnconfiguredAreas : 1; 447 u32 useFdeOnly : 1; 448 u32 disableNCQ : 1; 449 u32 SSDSMARTerEnabled : 1; 450 u32 SSDPatrolReadEnabled : 1; 451 u32 enableSpinDownUnconfigured : 1; 452 u32 autoEnhancedImport : 1; 453 u32 enableSecretKeyControl : 1; 454 u32 disableOnlineCtrlReset : 1; 455 u32 allowBootWithPinnedCache : 1; 456 u32 disableSpinDownHS : 1; 457 u32 enableJBOD : 1; 458 u32 reserved :18; 459 } OnOffProperties; 460 u8 autoSnapVDSpace; 461 u8 viewSpace; 462 u16 spinDownTime; 463 u8 reserved[24]; 464 } __packed; 465 466 /* 467 * SAS controller information 468 */ 469 struct megasas_ctrl_info { 470 471 /* 472 * PCI device information 473 */ 474 struct { 475 476 u16 vendor_id; 477 u16 device_id; 478 u16 sub_vendor_id; 479 u16 sub_device_id; 480 u8 reserved[24]; 481 482 } __attribute__ ((packed)) pci; 483 484 /* 485 * Host interface information 486 */ 487 struct { 488 489 u8 PCIX:1; 490 u8 PCIE:1; 491 u8 iSCSI:1; 492 u8 SAS_3G:1; 493 u8 reserved_0:4; 494 u8 reserved_1[6]; 495 u8 port_count; 496 u64 port_addr[8]; 497 498 } __attribute__ ((packed)) host_interface; 499 500 /* 501 * Device (backend) interface information 502 */ 503 struct { 504 505 u8 SPI:1; 506 u8 SAS_3G:1; 507 u8 SATA_1_5G:1; 508 u8 SATA_3G:1; 509 u8 reserved_0:4; 510 u8 reserved_1[6]; 511 u8 port_count; 512 u64 port_addr[8]; 513 514 } __attribute__ ((packed)) device_interface; 515 516 /* 517 * List of components residing in flash. All str are null terminated 518 */ 519 u32 image_check_word; 520 u32 image_component_count; 521 522 struct { 523 524 char name[8]; 525 char version[32]; 526 char build_date[16]; 527 char built_time[16]; 528 529 } __attribute__ ((packed)) image_component[8]; 530 531 /* 532 * List of flash components that have been flashed on the card, but 533 * are not in use, pending reset of the adapter. This list will be 534 * empty if a flash operation has not occurred. All stings are null 535 * terminated 536 */ 537 u32 pending_image_component_count; 538 539 struct { 540 541 char name[8]; 542 char version[32]; 543 char build_date[16]; 544 char build_time[16]; 545 546 } __attribute__ ((packed)) pending_image_component[8]; 547 548 u8 max_arms; 549 u8 max_spans; 550 u8 max_arrays; 551 u8 max_lds; 552 553 char product_name[80]; 554 char serial_no[32]; 555 556 /* 557 * Other physical/controller/operation information. Indicates the 558 * presence of the hardware 559 */ 560 struct { 561 562 u32 bbu:1; 563 u32 alarm:1; 564 u32 nvram:1; 565 u32 uart:1; 566 u32 reserved:28; 567 568 } __attribute__ ((packed)) hw_present; 569 570 u32 current_fw_time; 571 572 /* 573 * Maximum data transfer sizes 574 */ 575 u16 max_concurrent_cmds; 576 u16 max_sge_count; 577 u32 max_request_size; 578 579 /* 580 * Logical and physical device counts 581 */ 582 u16 ld_present_count; 583 u16 ld_degraded_count; 584 u16 ld_offline_count; 585 586 u16 pd_present_count; 587 u16 pd_disk_present_count; 588 u16 pd_disk_pred_failure_count; 589 u16 pd_disk_failed_count; 590 591 /* 592 * Memory size information 593 */ 594 u16 nvram_size; 595 u16 memory_size; 596 u16 flash_size; 597 598 /* 599 * Error counters 600 */ 601 u16 mem_correctable_error_count; 602 u16 mem_uncorrectable_error_count; 603 604 /* 605 * Cluster information 606 */ 607 u8 cluster_permitted; 608 u8 cluster_active; 609 610 /* 611 * Additional max data transfer sizes 612 */ 613 u16 max_strips_per_io; 614 615 /* 616 * Controller capabilities structures 617 */ 618 struct { 619 620 u32 raid_level_0:1; 621 u32 raid_level_1:1; 622 u32 raid_level_5:1; 623 u32 raid_level_1E:1; 624 u32 raid_level_6:1; 625 u32 reserved:27; 626 627 } __attribute__ ((packed)) raid_levels; 628 629 struct { 630 631 u32 rbld_rate:1; 632 u32 cc_rate:1; 633 u32 bgi_rate:1; 634 u32 recon_rate:1; 635 u32 patrol_rate:1; 636 u32 alarm_control:1; 637 u32 cluster_supported:1; 638 u32 bbu:1; 639 u32 spanning_allowed:1; 640 u32 dedicated_hotspares:1; 641 u32 revertible_hotspares:1; 642 u32 foreign_config_import:1; 643 u32 self_diagnostic:1; 644 u32 mixed_redundancy_arr:1; 645 u32 global_hot_spares:1; 646 u32 reserved:17; 647 648 } __attribute__ ((packed)) adapter_operations; 649 650 struct { 651 652 u32 read_policy:1; 653 u32 write_policy:1; 654 u32 io_policy:1; 655 u32 access_policy:1; 656 u32 disk_cache_policy:1; 657 u32 reserved:27; 658 659 } __attribute__ ((packed)) ld_operations; 660 661 struct { 662 663 u8 min; 664 u8 max; 665 u8 reserved[2]; 666 667 } __attribute__ ((packed)) stripe_sz_ops; 668 669 struct { 670 671 u32 force_online:1; 672 u32 force_offline:1; 673 u32 force_rebuild:1; 674 u32 reserved:29; 675 676 } __attribute__ ((packed)) pd_operations; 677 678 struct { 679 680 u32 ctrl_supports_sas:1; 681 u32 ctrl_supports_sata:1; 682 u32 allow_mix_in_encl:1; 683 u32 allow_mix_in_ld:1; 684 u32 allow_sata_in_cluster:1; 685 u32 reserved:27; 686 687 } __attribute__ ((packed)) pd_mix_support; 688 689 /* 690 * Define ECC single-bit-error bucket information 691 */ 692 u8 ecc_bucket_count; 693 u8 reserved_2[11]; 694 695 /* 696 * Include the controller properties (changeable items) 697 */ 698 struct megasas_ctrl_prop properties; 699 700 /* 701 * Define FW pkg version (set in envt v'bles on OEM basis) 702 */ 703 char package_version[0x60]; 704 705 u8 pad[0x800 - 0x6a0]; 706 707 } __packed; 708 709 /* 710 * =============================== 711 * MegaRAID SAS driver definitions 712 * =============================== 713 */ 714 #define MEGASAS_MAX_PD_CHANNELS 2 715 #define MEGASAS_MAX_LD_CHANNELS 2 716 #define MEGASAS_MAX_CHANNELS (MEGASAS_MAX_PD_CHANNELS + \ 717 MEGASAS_MAX_LD_CHANNELS) 718 #define MEGASAS_MAX_DEV_PER_CHANNEL 128 719 #define MEGASAS_DEFAULT_INIT_ID -1 720 #define MEGASAS_MAX_LUN 8 721 #define MEGASAS_MAX_LD 64 722 #define MEGASAS_DEFAULT_CMD_PER_LUN 256 723 #define MEGASAS_MAX_PD (MEGASAS_MAX_PD_CHANNELS * \ 724 MEGASAS_MAX_DEV_PER_CHANNEL) 725 #define MEGASAS_MAX_LD_IDS (MEGASAS_MAX_LD_CHANNELS * \ 726 MEGASAS_MAX_DEV_PER_CHANNEL) 727 728 #define MEGASAS_MAX_SECTORS (2*1024) 729 #define MEGASAS_MAX_SECTORS_IEEE (2*128) 730 #define MEGASAS_DBG_LVL 1 731 732 #define MEGASAS_FW_BUSY 1 733 734 /* Frame Type */ 735 #define IO_FRAME 0 736 #define PTHRU_FRAME 1 737 738 /* 739 * When SCSI mid-layer calls driver's reset routine, driver waits for 740 * MEGASAS_RESET_WAIT_TIME seconds for all outstanding IO to complete. Note 741 * that the driver cannot _actually_ abort or reset pending commands. While 742 * it is waiting for the commands to complete, it prints a diagnostic message 743 * every MEGASAS_RESET_NOTICE_INTERVAL seconds 744 */ 745 #define MEGASAS_RESET_WAIT_TIME 180 746 #define MEGASAS_INTERNAL_CMD_WAIT_TIME 180 747 #define MEGASAS_RESET_NOTICE_INTERVAL 5 748 #define MEGASAS_IOCTL_CMD 0 749 #define MEGASAS_DEFAULT_CMD_TIMEOUT 90 750 751 /* 752 * FW reports the maximum of number of commands that it can accept (maximum 753 * commands that can be outstanding) at any time. The driver must report a 754 * lower number to the mid layer because it can issue a few internal commands 755 * itself (E.g, AEN, abort cmd, IOCTLs etc). The number of commands it needs 756 * is shown below 757 */ 758 #define MEGASAS_INT_CMDS 32 759 #define MEGASAS_SKINNY_INT_CMDS 5 760 761 #define MEGASAS_MAX_MSIX_QUEUES 16 762 /* 763 * FW can accept both 32 and 64 bit SGLs. We want to allocate 32/64 bit 764 * SGLs based on the size of dma_addr_t 765 */ 766 #define IS_DMA64 (sizeof(dma_addr_t) == 8) 767 768 #define MFI_XSCALE_OMR0_CHANGE_INTERRUPT 0x00000001 769 770 #define MFI_INTR_FLAG_REPLY_MESSAGE 0x00000001 771 #define MFI_INTR_FLAG_FIRMWARE_STATE_CHANGE 0x00000002 772 #define MFI_G2_OUTBOUND_DOORBELL_CHANGE_INTERRUPT 0x00000004 773 774 #define MFI_OB_INTR_STATUS_MASK 0x00000002 775 #define MFI_POLL_TIMEOUT_SECS 60 776 777 #define MFI_REPLY_1078_MESSAGE_INTERRUPT 0x80000000 778 #define MFI_REPLY_GEN2_MESSAGE_INTERRUPT 0x00000001 779 #define MFI_GEN2_ENABLE_INTERRUPT_MASK (0x00000001 | 0x00000004) 780 #define MFI_REPLY_SKINNY_MESSAGE_INTERRUPT 0x40000000 781 #define MFI_SKINNY_ENABLE_INTERRUPT_MASK (0x00000001) 782 783 #define MFI_1068_PCSR_OFFSET 0x84 784 #define MFI_1068_FW_HANDSHAKE_OFFSET 0x64 785 #define MFI_1068_FW_READY 0xDDDD0000 786 /* 787 * register set for both 1068 and 1078 controllers 788 * structure extended for 1078 registers 789 */ 790 791 struct megasas_register_set { 792 u32 doorbell; /*0000h*/ 793 u32 fusion_seq_offset; /*0004h*/ 794 u32 fusion_host_diag; /*0008h*/ 795 u32 reserved_01; /*000Ch*/ 796 797 u32 inbound_msg_0; /*0010h*/ 798 u32 inbound_msg_1; /*0014h*/ 799 u32 outbound_msg_0; /*0018h*/ 800 u32 outbound_msg_1; /*001Ch*/ 801 802 u32 inbound_doorbell; /*0020h*/ 803 u32 inbound_intr_status; /*0024h*/ 804 u32 inbound_intr_mask; /*0028h*/ 805 806 u32 outbound_doorbell; /*002Ch*/ 807 u32 outbound_intr_status; /*0030h*/ 808 u32 outbound_intr_mask; /*0034h*/ 809 810 u32 reserved_1[2]; /*0038h*/ 811 812 u32 inbound_queue_port; /*0040h*/ 813 u32 outbound_queue_port; /*0044h*/ 814 815 u32 reserved_2[9]; /*0048h*/ 816 u32 reply_post_host_index; /*006Ch*/ 817 u32 reserved_2_2[12]; /*0070h*/ 818 819 u32 outbound_doorbell_clear; /*00A0h*/ 820 821 u32 reserved_3[3]; /*00A4h*/ 822 823 u32 outbound_scratch_pad ; /*00B0h*/ 824 u32 outbound_scratch_pad_2; /*00B4h*/ 825 826 u32 reserved_4[2]; /*00B8h*/ 827 828 u32 inbound_low_queue_port ; /*00C0h*/ 829 830 u32 inbound_high_queue_port ; /*00C4h*/ 831 832 u32 reserved_5; /*00C8h*/ 833 u32 res_6[11]; /*CCh*/ 834 u32 host_diag; 835 u32 seq_offset; 836 u32 index_registers[807]; /*00CCh*/ 837 } __attribute__ ((packed)); 838 839 struct megasas_sge32 { 840 841 u32 phys_addr; 842 u32 length; 843 844 } __attribute__ ((packed)); 845 846 struct megasas_sge64 { 847 848 u64 phys_addr; 849 u32 length; 850 851 } __attribute__ ((packed)); 852 853 struct megasas_sge_skinny { 854 u64 phys_addr; 855 u32 length; 856 u32 flag; 857 } __packed; 858 859 union megasas_sgl { 860 861 struct megasas_sge32 sge32[1]; 862 struct megasas_sge64 sge64[1]; 863 struct megasas_sge_skinny sge_skinny[1]; 864 865 } __attribute__ ((packed)); 866 867 struct megasas_header { 868 869 u8 cmd; /*00h */ 870 u8 sense_len; /*01h */ 871 u8 cmd_status; /*02h */ 872 u8 scsi_status; /*03h */ 873 874 u8 target_id; /*04h */ 875 u8 lun; /*05h */ 876 u8 cdb_len; /*06h */ 877 u8 sge_count; /*07h */ 878 879 u32 context; /*08h */ 880 u32 pad_0; /*0Ch */ 881 882 u16 flags; /*10h */ 883 u16 timeout; /*12h */ 884 u32 data_xferlen; /*14h */ 885 886 } __attribute__ ((packed)); 887 888 union megasas_sgl_frame { 889 890 struct megasas_sge32 sge32[8]; 891 struct megasas_sge64 sge64[5]; 892 893 } __attribute__ ((packed)); 894 895 struct megasas_init_frame { 896 897 u8 cmd; /*00h */ 898 u8 reserved_0; /*01h */ 899 u8 cmd_status; /*02h */ 900 901 u8 reserved_1; /*03h */ 902 u32 reserved_2; /*04h */ 903 904 u32 context; /*08h */ 905 u32 pad_0; /*0Ch */ 906 907 u16 flags; /*10h */ 908 u16 reserved_3; /*12h */ 909 u32 data_xfer_len; /*14h */ 910 911 u32 queue_info_new_phys_addr_lo; /*18h */ 912 u32 queue_info_new_phys_addr_hi; /*1Ch */ 913 u32 queue_info_old_phys_addr_lo; /*20h */ 914 u32 queue_info_old_phys_addr_hi; /*24h */ 915 916 u32 reserved_4[6]; /*28h */ 917 918 } __attribute__ ((packed)); 919 920 struct megasas_init_queue_info { 921 922 u32 init_flags; /*00h */ 923 u32 reply_queue_entries; /*04h */ 924 925 u32 reply_queue_start_phys_addr_lo; /*08h */ 926 u32 reply_queue_start_phys_addr_hi; /*0Ch */ 927 u32 producer_index_phys_addr_lo; /*10h */ 928 u32 producer_index_phys_addr_hi; /*14h */ 929 u32 consumer_index_phys_addr_lo; /*18h */ 930 u32 consumer_index_phys_addr_hi; /*1Ch */ 931 932 } __attribute__ ((packed)); 933 934 struct megasas_io_frame { 935 936 u8 cmd; /*00h */ 937 u8 sense_len; /*01h */ 938 u8 cmd_status; /*02h */ 939 u8 scsi_status; /*03h */ 940 941 u8 target_id; /*04h */ 942 u8 access_byte; /*05h */ 943 u8 reserved_0; /*06h */ 944 u8 sge_count; /*07h */ 945 946 u32 context; /*08h */ 947 u32 pad_0; /*0Ch */ 948 949 u16 flags; /*10h */ 950 u16 timeout; /*12h */ 951 u32 lba_count; /*14h */ 952 953 u32 sense_buf_phys_addr_lo; /*18h */ 954 u32 sense_buf_phys_addr_hi; /*1Ch */ 955 956 u32 start_lba_lo; /*20h */ 957 u32 start_lba_hi; /*24h */ 958 959 union megasas_sgl sgl; /*28h */ 960 961 } __attribute__ ((packed)); 962 963 struct megasas_pthru_frame { 964 965 u8 cmd; /*00h */ 966 u8 sense_len; /*01h */ 967 u8 cmd_status; /*02h */ 968 u8 scsi_status; /*03h */ 969 970 u8 target_id; /*04h */ 971 u8 lun; /*05h */ 972 u8 cdb_len; /*06h */ 973 u8 sge_count; /*07h */ 974 975 u32 context; /*08h */ 976 u32 pad_0; /*0Ch */ 977 978 u16 flags; /*10h */ 979 u16 timeout; /*12h */ 980 u32 data_xfer_len; /*14h */ 981 982 u32 sense_buf_phys_addr_lo; /*18h */ 983 u32 sense_buf_phys_addr_hi; /*1Ch */ 984 985 u8 cdb[16]; /*20h */ 986 union megasas_sgl sgl; /*30h */ 987 988 } __attribute__ ((packed)); 989 990 struct megasas_dcmd_frame { 991 992 u8 cmd; /*00h */ 993 u8 reserved_0; /*01h */ 994 u8 cmd_status; /*02h */ 995 u8 reserved_1[4]; /*03h */ 996 u8 sge_count; /*07h */ 997 998 u32 context; /*08h */ 999 u32 pad_0; /*0Ch */ 1000 1001 u16 flags; /*10h */ 1002 u16 timeout; /*12h */ 1003 1004 u32 data_xfer_len; /*14h */ 1005 u32 opcode; /*18h */ 1006 1007 union { /*1Ch */ 1008 u8 b[12]; 1009 u16 s[6]; 1010 u32 w[3]; 1011 } mbox; 1012 1013 union megasas_sgl sgl; /*28h */ 1014 1015 } __attribute__ ((packed)); 1016 1017 struct megasas_abort_frame { 1018 1019 u8 cmd; /*00h */ 1020 u8 reserved_0; /*01h */ 1021 u8 cmd_status; /*02h */ 1022 1023 u8 reserved_1; /*03h */ 1024 u32 reserved_2; /*04h */ 1025 1026 u32 context; /*08h */ 1027 u32 pad_0; /*0Ch */ 1028 1029 u16 flags; /*10h */ 1030 u16 reserved_3; /*12h */ 1031 u32 reserved_4; /*14h */ 1032 1033 u32 abort_context; /*18h */ 1034 u32 pad_1; /*1Ch */ 1035 1036 u32 abort_mfi_phys_addr_lo; /*20h */ 1037 u32 abort_mfi_phys_addr_hi; /*24h */ 1038 1039 u32 reserved_5[6]; /*28h */ 1040 1041 } __attribute__ ((packed)); 1042 1043 struct megasas_smp_frame { 1044 1045 u8 cmd; /*00h */ 1046 u8 reserved_1; /*01h */ 1047 u8 cmd_status; /*02h */ 1048 u8 connection_status; /*03h */ 1049 1050 u8 reserved_2[3]; /*04h */ 1051 u8 sge_count; /*07h */ 1052 1053 u32 context; /*08h */ 1054 u32 pad_0; /*0Ch */ 1055 1056 u16 flags; /*10h */ 1057 u16 timeout; /*12h */ 1058 1059 u32 data_xfer_len; /*14h */ 1060 u64 sas_addr; /*18h */ 1061 1062 union { 1063 struct megasas_sge32 sge32[2]; /* [0]: resp [1]: req */ 1064 struct megasas_sge64 sge64[2]; /* [0]: resp [1]: req */ 1065 } sgl; 1066 1067 } __attribute__ ((packed)); 1068 1069 struct megasas_stp_frame { 1070 1071 u8 cmd; /*00h */ 1072 u8 reserved_1; /*01h */ 1073 u8 cmd_status; /*02h */ 1074 u8 reserved_2; /*03h */ 1075 1076 u8 target_id; /*04h */ 1077 u8 reserved_3[2]; /*05h */ 1078 u8 sge_count; /*07h */ 1079 1080 u32 context; /*08h */ 1081 u32 pad_0; /*0Ch */ 1082 1083 u16 flags; /*10h */ 1084 u16 timeout; /*12h */ 1085 1086 u32 data_xfer_len; /*14h */ 1087 1088 u16 fis[10]; /*18h */ 1089 u32 stp_flags; 1090 1091 union { 1092 struct megasas_sge32 sge32[2]; /* [0]: resp [1]: data */ 1093 struct megasas_sge64 sge64[2]; /* [0]: resp [1]: data */ 1094 } sgl; 1095 1096 } __attribute__ ((packed)); 1097 1098 union megasas_frame { 1099 1100 struct megasas_header hdr; 1101 struct megasas_init_frame init; 1102 struct megasas_io_frame io; 1103 struct megasas_pthru_frame pthru; 1104 struct megasas_dcmd_frame dcmd; 1105 struct megasas_abort_frame abort; 1106 struct megasas_smp_frame smp; 1107 struct megasas_stp_frame stp; 1108 1109 u8 raw_bytes[64]; 1110 }; 1111 1112 struct megasas_cmd; 1113 1114 union megasas_evt_class_locale { 1115 1116 struct { 1117 u16 locale; 1118 u8 reserved; 1119 s8 class; 1120 } __attribute__ ((packed)) members; 1121 1122 u32 word; 1123 1124 } __attribute__ ((packed)); 1125 1126 struct megasas_evt_log_info { 1127 u32 newest_seq_num; 1128 u32 oldest_seq_num; 1129 u32 clear_seq_num; 1130 u32 shutdown_seq_num; 1131 u32 boot_seq_num; 1132 1133 } __attribute__ ((packed)); 1134 1135 struct megasas_progress { 1136 1137 u16 progress; 1138 u16 elapsed_seconds; 1139 1140 } __attribute__ ((packed)); 1141 1142 struct megasas_evtarg_ld { 1143 1144 u16 target_id; 1145 u8 ld_index; 1146 u8 reserved; 1147 1148 } __attribute__ ((packed)); 1149 1150 struct megasas_evtarg_pd { 1151 u16 device_id; 1152 u8 encl_index; 1153 u8 slot_number; 1154 1155 } __attribute__ ((packed)); 1156 1157 struct megasas_evt_detail { 1158 1159 u32 seq_num; 1160 u32 time_stamp; 1161 u32 code; 1162 union megasas_evt_class_locale cl; 1163 u8 arg_type; 1164 u8 reserved1[15]; 1165 1166 union { 1167 struct { 1168 struct megasas_evtarg_pd pd; 1169 u8 cdb_length; 1170 u8 sense_length; 1171 u8 reserved[2]; 1172 u8 cdb[16]; 1173 u8 sense[64]; 1174 } __attribute__ ((packed)) cdbSense; 1175 1176 struct megasas_evtarg_ld ld; 1177 1178 struct { 1179 struct megasas_evtarg_ld ld; 1180 u64 count; 1181 } __attribute__ ((packed)) ld_count; 1182 1183 struct { 1184 u64 lba; 1185 struct megasas_evtarg_ld ld; 1186 } __attribute__ ((packed)) ld_lba; 1187 1188 struct { 1189 struct megasas_evtarg_ld ld; 1190 u32 prevOwner; 1191 u32 newOwner; 1192 } __attribute__ ((packed)) ld_owner; 1193 1194 struct { 1195 u64 ld_lba; 1196 u64 pd_lba; 1197 struct megasas_evtarg_ld ld; 1198 struct megasas_evtarg_pd pd; 1199 } __attribute__ ((packed)) ld_lba_pd_lba; 1200 1201 struct { 1202 struct megasas_evtarg_ld ld; 1203 struct megasas_progress prog; 1204 } __attribute__ ((packed)) ld_prog; 1205 1206 struct { 1207 struct megasas_evtarg_ld ld; 1208 u32 prev_state; 1209 u32 new_state; 1210 } __attribute__ ((packed)) ld_state; 1211 1212 struct { 1213 u64 strip; 1214 struct megasas_evtarg_ld ld; 1215 } __attribute__ ((packed)) ld_strip; 1216 1217 struct megasas_evtarg_pd pd; 1218 1219 struct { 1220 struct megasas_evtarg_pd pd; 1221 u32 err; 1222 } __attribute__ ((packed)) pd_err; 1223 1224 struct { 1225 u64 lba; 1226 struct megasas_evtarg_pd pd; 1227 } __attribute__ ((packed)) pd_lba; 1228 1229 struct { 1230 u64 lba; 1231 struct megasas_evtarg_pd pd; 1232 struct megasas_evtarg_ld ld; 1233 } __attribute__ ((packed)) pd_lba_ld; 1234 1235 struct { 1236 struct megasas_evtarg_pd pd; 1237 struct megasas_progress prog; 1238 } __attribute__ ((packed)) pd_prog; 1239 1240 struct { 1241 struct megasas_evtarg_pd pd; 1242 u32 prevState; 1243 u32 newState; 1244 } __attribute__ ((packed)) pd_state; 1245 1246 struct { 1247 u16 vendorId; 1248 u16 deviceId; 1249 u16 subVendorId; 1250 u16 subDeviceId; 1251 } __attribute__ ((packed)) pci; 1252 1253 u32 rate; 1254 char str[96]; 1255 1256 struct { 1257 u32 rtc; 1258 u32 elapsedSeconds; 1259 } __attribute__ ((packed)) time; 1260 1261 struct { 1262 u32 ecar; 1263 u32 elog; 1264 char str[64]; 1265 } __attribute__ ((packed)) ecc; 1266 1267 u8 b[96]; 1268 u16 s[48]; 1269 u32 w[24]; 1270 u64 d[12]; 1271 } args; 1272 1273 char description[128]; 1274 1275 } __attribute__ ((packed)); 1276 1277 struct megasas_aen_event { 1278 struct work_struct hotplug_work; 1279 struct megasas_instance *instance; 1280 }; 1281 1282 struct megasas_irq_context { 1283 struct megasas_instance *instance; 1284 u32 MSIxIndex; 1285 }; 1286 1287 struct megasas_instance { 1288 1289 u32 *producer; 1290 dma_addr_t producer_h; 1291 u32 *consumer; 1292 dma_addr_t consumer_h; 1293 1294 u32 *reply_queue; 1295 dma_addr_t reply_queue_h; 1296 1297 unsigned long base_addr; 1298 struct megasas_register_set __iomem *reg_set; 1299 1300 struct megasas_pd_list pd_list[MEGASAS_MAX_PD]; 1301 u8 ld_ids[MEGASAS_MAX_LD_IDS]; 1302 s8 init_id; 1303 1304 u16 max_num_sge; 1305 u16 max_fw_cmds; 1306 /* For Fusion its num IOCTL cmds, for others MFI based its 1307 max_fw_cmds */ 1308 u16 max_mfi_cmds; 1309 u32 max_sectors_per_req; 1310 struct megasas_aen_event *ev; 1311 1312 struct megasas_cmd **cmd_list; 1313 struct list_head cmd_pool; 1314 /* used to sync fire the cmd to fw */ 1315 spinlock_t cmd_pool_lock; 1316 /* used to sync fire the cmd to fw */ 1317 spinlock_t hba_lock; 1318 /* used to synch producer, consumer ptrs in dpc */ 1319 spinlock_t completion_lock; 1320 struct dma_pool *frame_dma_pool; 1321 struct dma_pool *sense_dma_pool; 1322 1323 struct megasas_evt_detail *evt_detail; 1324 dma_addr_t evt_detail_h; 1325 struct megasas_cmd *aen_cmd; 1326 struct mutex aen_mutex; 1327 struct semaphore ioctl_sem; 1328 1329 struct Scsi_Host *host; 1330 1331 wait_queue_head_t int_cmd_wait_q; 1332 wait_queue_head_t abort_cmd_wait_q; 1333 1334 struct pci_dev *pdev; 1335 u32 unique_id; 1336 u32 fw_support_ieee; 1337 1338 atomic_t fw_outstanding; 1339 atomic_t fw_reset_no_pci_access; 1340 1341 struct megasas_instance_template *instancet; 1342 struct tasklet_struct isr_tasklet; 1343 struct work_struct work_init; 1344 1345 u8 flag; 1346 u8 unload; 1347 u8 flag_ieee; 1348 u8 issuepend_done; 1349 u8 disableOnlineCtrlReset; 1350 u8 adprecovery; 1351 unsigned long last_time; 1352 u32 mfiStatus; 1353 u32 last_seq_num; 1354 1355 struct list_head internal_reset_pending_q; 1356 1357 /* Ptr to hba specific information */ 1358 void *ctrl_context; 1359 unsigned int msix_vectors; 1360 struct msix_entry msixentry[MEGASAS_MAX_MSIX_QUEUES]; 1361 struct megasas_irq_context irq_context[MEGASAS_MAX_MSIX_QUEUES]; 1362 u64 map_id; 1363 struct megasas_cmd *map_update_cmd; 1364 unsigned long bar; 1365 long reset_flags; 1366 struct mutex reset_mutex; 1367 }; 1368 1369 enum { 1370 MEGASAS_HBA_OPERATIONAL = 0, 1371 MEGASAS_ADPRESET_SM_INFAULT = 1, 1372 MEGASAS_ADPRESET_SM_FW_RESET_SUCCESS = 2, 1373 MEGASAS_ADPRESET_SM_OPERATIONAL = 3, 1374 MEGASAS_HW_CRITICAL_ERROR = 4, 1375 MEGASAS_ADPRESET_INPROG_SIGN = 0xDEADDEAD, 1376 }; 1377 1378 struct megasas_instance_template { 1379 void (*fire_cmd)(struct megasas_instance *, dma_addr_t, \ 1380 u32, struct megasas_register_set __iomem *); 1381 1382 void (*enable_intr)(struct megasas_register_set __iomem *) ; 1383 void (*disable_intr)(struct megasas_register_set __iomem *); 1384 1385 int (*clear_intr)(struct megasas_register_set __iomem *); 1386 1387 u32 (*read_fw_status_reg)(struct megasas_register_set __iomem *); 1388 int (*adp_reset)(struct megasas_instance *, \ 1389 struct megasas_register_set __iomem *); 1390 int (*check_reset)(struct megasas_instance *, \ 1391 struct megasas_register_set __iomem *); 1392 irqreturn_t (*service_isr)(int irq, void *devp); 1393 void (*tasklet)(unsigned long); 1394 u32 (*init_adapter)(struct megasas_instance *); 1395 u32 (*build_and_issue_cmd) (struct megasas_instance *, 1396 struct scsi_cmnd *); 1397 void (*issue_dcmd) (struct megasas_instance *instance, 1398 struct megasas_cmd *cmd); 1399 }; 1400 1401 #define MEGASAS_IS_LOGICAL(scp) \ 1402 (scp->device->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1 1403 1404 #define MEGASAS_DEV_INDEX(inst, scp) \ 1405 ((scp->device->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) + \ 1406 scp->device->id 1407 1408 struct megasas_cmd { 1409 1410 union megasas_frame *frame; 1411 dma_addr_t frame_phys_addr; 1412 u8 *sense; 1413 dma_addr_t sense_phys_addr; 1414 1415 u32 index; 1416 u8 sync_cmd; 1417 u8 cmd_status; 1418 u8 abort_aen; 1419 u8 retry_for_fw_reset; 1420 1421 1422 struct list_head list; 1423 struct scsi_cmnd *scmd; 1424 struct megasas_instance *instance; 1425 union { 1426 struct { 1427 u16 smid; 1428 u16 resvd; 1429 } context; 1430 u32 frame_count; 1431 }; 1432 }; 1433 1434 #define MAX_MGMT_ADAPTERS 1024 1435 #define MAX_IOCTL_SGE 16 1436 1437 struct megasas_iocpacket { 1438 1439 u16 host_no; 1440 u16 __pad1; 1441 u32 sgl_off; 1442 u32 sge_count; 1443 u32 sense_off; 1444 u32 sense_len; 1445 union { 1446 u8 raw[128]; 1447 struct megasas_header hdr; 1448 } frame; 1449 1450 struct iovec sgl[MAX_IOCTL_SGE]; 1451 1452 } __attribute__ ((packed)); 1453 1454 struct megasas_aen { 1455 u16 host_no; 1456 u16 __pad1; 1457 u32 seq_num; 1458 u32 class_locale_word; 1459 } __attribute__ ((packed)); 1460 1461 #ifdef CONFIG_COMPAT 1462 struct compat_megasas_iocpacket { 1463 u16 host_no; 1464 u16 __pad1; 1465 u32 sgl_off; 1466 u32 sge_count; 1467 u32 sense_off; 1468 u32 sense_len; 1469 union { 1470 u8 raw[128]; 1471 struct megasas_header hdr; 1472 } frame; 1473 struct compat_iovec sgl[MAX_IOCTL_SGE]; 1474 } __attribute__ ((packed)); 1475 1476 #define MEGASAS_IOC_FIRMWARE32 _IOWR('M', 1, struct compat_megasas_iocpacket) 1477 #endif 1478 1479 #define MEGASAS_IOC_FIRMWARE _IOWR('M', 1, struct megasas_iocpacket) 1480 #define MEGASAS_IOC_GET_AEN _IOW('M', 3, struct megasas_aen) 1481 1482 struct megasas_mgmt_info { 1483 1484 u16 count; 1485 struct megasas_instance *instance[MAX_MGMT_ADAPTERS]; 1486 int max_index; 1487 }; 1488 1489 #define msi_control_reg(base) (base + PCI_MSI_FLAGS) 1490 #define PCI_MSIX_FLAGS_ENABLE (1 << 15) 1491 1492 #endif /*LSI_MEGARAID_SAS_H */ 1493