1 /* 2 * Linux MegaRAID driver for SAS based RAID controllers 3 * 4 * Copyright (c) 2009-2012 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_fusion.h 21 * 22 * Authors: LSI Corporation 23 * Manoj Jose 24 * Sumant Patro 25 * 26 * Send feedback to: <megaraidlinux@lsi.com> 27 * 28 * Mail to: LSI Corporation, 1621 Barber Lane, Milpitas, CA 95035 29 * ATTN: Linuxraid 30 */ 31 32 #ifndef _MEGARAID_SAS_FUSION_H_ 33 #define _MEGARAID_SAS_FUSION_H_ 34 35 /* Fusion defines */ 36 #define MEGASAS_MAX_SZ_CHAIN_FRAME 1024 37 #define MFI_FUSION_ENABLE_INTERRUPT_MASK (0x00000009) 38 #define MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE 256 39 #define MEGASAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST 0xF0 40 #define MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST 0xF1 41 #define MEGASAS_LOAD_BALANCE_FLAG 0x1 42 #define MEGASAS_DCMD_MBOX_PEND_FLAG 0x1 43 #define HOST_DIAG_WRITE_ENABLE 0x80 44 #define HOST_DIAG_RESET_ADAPTER 0x4 45 #define MEGASAS_FUSION_MAX_RESET_TRIES 3 46 #define MAX_MSIX_QUEUES_FUSION 128 47 48 /* Invader defines */ 49 #define MPI2_TYPE_CUDA 0x2 50 #define MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH 0x4000 51 #define MR_RL_FLAGS_GRANT_DESTINATION_CPU0 0x00 52 #define MR_RL_FLAGS_GRANT_DESTINATION_CPU1 0x10 53 #define MR_RL_FLAGS_GRANT_DESTINATION_CUDA 0x80 54 #define MR_RL_FLAGS_SEQ_NUM_ENABLE 0x8 55 56 /* T10 PI defines */ 57 #define MR_PROT_INFO_TYPE_CONTROLLER 0x8 58 #define MEGASAS_SCSI_VARIABLE_LENGTH_CMD 0x7f 59 #define MEGASAS_SCSI_SERVICE_ACTION_READ32 0x9 60 #define MEGASAS_SCSI_SERVICE_ACTION_WRITE32 0xB 61 #define MEGASAS_SCSI_ADDL_CDB_LEN 0x18 62 #define MEGASAS_RD_WR_PROTECT_CHECK_ALL 0x20 63 #define MEGASAS_RD_WR_PROTECT_CHECK_NONE 0x60 64 65 #define MPI2_SUP_REPLY_POST_HOST_INDEX_OFFSET (0x0000030C) 66 #define MPI2_REPLY_POST_HOST_INDEX_OFFSET (0x0000006C) 67 68 /* 69 * Raid context flags 70 */ 71 72 #define MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT 0x4 73 #define MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_MASK 0x30 74 enum MR_RAID_FLAGS_IO_SUB_TYPE { 75 MR_RAID_FLAGS_IO_SUB_TYPE_NONE = 0, 76 MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD = 1, 77 }; 78 79 /* 80 * Request descriptor types 81 */ 82 #define MEGASAS_REQ_DESCRIPT_FLAGS_LD_IO 0x7 83 #define MEGASAS_REQ_DESCRIPT_FLAGS_MFA 0x1 84 #define MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK 0x2 85 #define MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT 1 86 87 #define MEGASAS_FP_CMD_LEN 16 88 #define MEGASAS_FUSION_IN_RESET 0 89 90 /* 91 * Raid Context structure which describes MegaRAID specific IO Parameters 92 * This resides at offset 0x60 where the SGL normally starts in MPT IO Frames 93 */ 94 95 struct RAID_CONTEXT { 96 #if defined(__BIG_ENDIAN_BITFIELD) 97 u8 nseg:4; 98 u8 Type:4; 99 #else 100 u8 Type:4; 101 u8 nseg:4; 102 #endif 103 u8 resvd0; 104 u16 timeoutValue; 105 u8 regLockFlags; 106 u8 resvd1; 107 u16 VirtualDiskTgtId; 108 u64 regLockRowLBA; 109 u32 regLockLength; 110 u16 nextLMId; 111 u8 exStatus; 112 u8 status; 113 u8 RAIDFlags; 114 u8 numSGE; 115 u16 configSeqNum; 116 u8 spanArm; 117 u8 resvd2[3]; 118 }; 119 120 #define RAID_CTX_SPANARM_ARM_SHIFT (0) 121 #define RAID_CTX_SPANARM_ARM_MASK (0x1f) 122 123 #define RAID_CTX_SPANARM_SPAN_SHIFT (5) 124 #define RAID_CTX_SPANARM_SPAN_MASK (0xE0) 125 126 /* 127 * define region lock types 128 */ 129 enum REGION_TYPE { 130 REGION_TYPE_UNUSED = 0, 131 REGION_TYPE_SHARED_READ = 1, 132 REGION_TYPE_SHARED_WRITE = 2, 133 REGION_TYPE_EXCLUSIVE = 3, 134 }; 135 136 /* MPI2 defines */ 137 #define MPI2_FUNCTION_IOC_INIT (0x02) /* IOC Init */ 138 #define MPI2_WHOINIT_HOST_DRIVER (0x04) 139 #define MPI2_VERSION_MAJOR (0x02) 140 #define MPI2_VERSION_MINOR (0x00) 141 #define MPI2_VERSION_MAJOR_MASK (0xFF00) 142 #define MPI2_VERSION_MAJOR_SHIFT (8) 143 #define MPI2_VERSION_MINOR_MASK (0x00FF) 144 #define MPI2_VERSION_MINOR_SHIFT (0) 145 #define MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) | \ 146 MPI2_VERSION_MINOR) 147 #define MPI2_HEADER_VERSION_UNIT (0x10) 148 #define MPI2_HEADER_VERSION_DEV (0x00) 149 #define MPI2_HEADER_VERSION_UNIT_MASK (0xFF00) 150 #define MPI2_HEADER_VERSION_UNIT_SHIFT (8) 151 #define MPI2_HEADER_VERSION_DEV_MASK (0x00FF) 152 #define MPI2_HEADER_VERSION_DEV_SHIFT (0) 153 #define MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) | \ 154 MPI2_HEADER_VERSION_DEV) 155 #define MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR (0x03) 156 #define MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG (0x8000) 157 #define MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG (0x0400) 158 #define MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP (0x0003) 159 #define MPI2_SCSIIO_EEDPFLAGS_CHECK_APPTAG (0x0200) 160 #define MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD (0x0100) 161 #define MPI2_SCSIIO_EEDPFLAGS_INSERT_OP (0x0004) 162 #define MPI2_FUNCTION_SCSI_IO_REQUEST (0x00) /* SCSI IO */ 163 #define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY (0x06) 164 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO (0x00) 165 #define MPI2_SGE_FLAGS_64_BIT_ADDRESSING (0x02) 166 #define MPI2_SCSIIO_CONTROL_WRITE (0x01000000) 167 #define MPI2_SCSIIO_CONTROL_READ (0x02000000) 168 #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK (0x0E) 169 #define MPI2_RPY_DESCRIPT_FLAGS_UNUSED (0x0F) 170 #define MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS (0x00) 171 #define MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK (0x0F) 172 #define MPI2_WRSEQ_FLUSH_KEY_VALUE (0x0) 173 #define MPI2_WRITE_SEQUENCE_OFFSET (0x00000004) 174 #define MPI2_WRSEQ_1ST_KEY_VALUE (0xF) 175 #define MPI2_WRSEQ_2ND_KEY_VALUE (0x4) 176 #define MPI2_WRSEQ_3RD_KEY_VALUE (0xB) 177 #define MPI2_WRSEQ_4TH_KEY_VALUE (0x2) 178 #define MPI2_WRSEQ_5TH_KEY_VALUE (0x7) 179 #define MPI2_WRSEQ_6TH_KEY_VALUE (0xD) 180 181 struct MPI25_IEEE_SGE_CHAIN64 { 182 u64 Address; 183 u32 Length; 184 u16 Reserved1; 185 u8 NextChainOffset; 186 u8 Flags; 187 }; 188 189 struct MPI2_SGE_SIMPLE_UNION { 190 u32 FlagsLength; 191 union { 192 u32 Address32; 193 u64 Address64; 194 } u; 195 }; 196 197 struct MPI2_SCSI_IO_CDB_EEDP32 { 198 u8 CDB[20]; /* 0x00 */ 199 u32 PrimaryReferenceTag; /* 0x14 */ 200 u16 PrimaryApplicationTag; /* 0x18 */ 201 u16 PrimaryApplicationTagMask; /* 0x1A */ 202 u32 TransferLength; /* 0x1C */ 203 }; 204 205 struct MPI2_SGE_CHAIN_UNION { 206 u16 Length; 207 u8 NextChainOffset; 208 u8 Flags; 209 union { 210 u32 Address32; 211 u64 Address64; 212 } u; 213 }; 214 215 struct MPI2_IEEE_SGE_SIMPLE32 { 216 u32 Address; 217 u32 FlagsLength; 218 }; 219 220 struct MPI2_IEEE_SGE_CHAIN32 { 221 u32 Address; 222 u32 FlagsLength; 223 }; 224 225 struct MPI2_IEEE_SGE_SIMPLE64 { 226 u64 Address; 227 u32 Length; 228 u16 Reserved1; 229 u8 Reserved2; 230 u8 Flags; 231 }; 232 233 struct MPI2_IEEE_SGE_CHAIN64 { 234 u64 Address; 235 u32 Length; 236 u16 Reserved1; 237 u8 Reserved2; 238 u8 Flags; 239 }; 240 241 union MPI2_IEEE_SGE_SIMPLE_UNION { 242 struct MPI2_IEEE_SGE_SIMPLE32 Simple32; 243 struct MPI2_IEEE_SGE_SIMPLE64 Simple64; 244 }; 245 246 union MPI2_IEEE_SGE_CHAIN_UNION { 247 struct MPI2_IEEE_SGE_CHAIN32 Chain32; 248 struct MPI2_IEEE_SGE_CHAIN64 Chain64; 249 }; 250 251 union MPI2_SGE_IO_UNION { 252 struct MPI2_SGE_SIMPLE_UNION MpiSimple; 253 struct MPI2_SGE_CHAIN_UNION MpiChain; 254 union MPI2_IEEE_SGE_SIMPLE_UNION IeeeSimple; 255 union MPI2_IEEE_SGE_CHAIN_UNION IeeeChain; 256 }; 257 258 union MPI2_SCSI_IO_CDB_UNION { 259 u8 CDB32[32]; 260 struct MPI2_SCSI_IO_CDB_EEDP32 EEDP32; 261 struct MPI2_SGE_SIMPLE_UNION SGE; 262 }; 263 264 /* 265 * RAID SCSI IO Request Message 266 * Total SGE count will be one less than _MPI2_SCSI_IO_REQUEST 267 */ 268 struct MPI2_RAID_SCSI_IO_REQUEST { 269 u16 DevHandle; /* 0x00 */ 270 u8 ChainOffset; /* 0x02 */ 271 u8 Function; /* 0x03 */ 272 u16 Reserved1; /* 0x04 */ 273 u8 Reserved2; /* 0x06 */ 274 u8 MsgFlags; /* 0x07 */ 275 u8 VP_ID; /* 0x08 */ 276 u8 VF_ID; /* 0x09 */ 277 u16 Reserved3; /* 0x0A */ 278 u32 SenseBufferLowAddress; /* 0x0C */ 279 u16 SGLFlags; /* 0x10 */ 280 u8 SenseBufferLength; /* 0x12 */ 281 u8 Reserved4; /* 0x13 */ 282 u8 SGLOffset0; /* 0x14 */ 283 u8 SGLOffset1; /* 0x15 */ 284 u8 SGLOffset2; /* 0x16 */ 285 u8 SGLOffset3; /* 0x17 */ 286 u32 SkipCount; /* 0x18 */ 287 u32 DataLength; /* 0x1C */ 288 u32 BidirectionalDataLength; /* 0x20 */ 289 u16 IoFlags; /* 0x24 */ 290 u16 EEDPFlags; /* 0x26 */ 291 u32 EEDPBlockSize; /* 0x28 */ 292 u32 SecondaryReferenceTag; /* 0x2C */ 293 u16 SecondaryApplicationTag; /* 0x30 */ 294 u16 ApplicationTagTranslationMask; /* 0x32 */ 295 u8 LUN[8]; /* 0x34 */ 296 u32 Control; /* 0x3C */ 297 union MPI2_SCSI_IO_CDB_UNION CDB; /* 0x40 */ 298 struct RAID_CONTEXT RaidContext; /* 0x60 */ 299 union MPI2_SGE_IO_UNION SGL; /* 0x80 */ 300 }; 301 302 /* 303 * MPT RAID MFA IO Descriptor. 304 */ 305 struct MEGASAS_RAID_MFA_IO_REQUEST_DESCRIPTOR { 306 #if defined(__BIG_ENDIAN_BITFIELD) 307 u32 MessageAddress1:24; /* bits 31:8*/ 308 u32 RequestFlags:8; 309 #else 310 u32 RequestFlags:8; 311 u32 MessageAddress1:24; /* bits 31:8*/ 312 #endif 313 u32 MessageAddress2; /* bits 61:32 */ 314 }; 315 316 /* Default Request Descriptor */ 317 struct MPI2_DEFAULT_REQUEST_DESCRIPTOR { 318 u8 RequestFlags; /* 0x00 */ 319 u8 MSIxIndex; /* 0x01 */ 320 u16 SMID; /* 0x02 */ 321 u16 LMID; /* 0x04 */ 322 u16 DescriptorTypeDependent; /* 0x06 */ 323 }; 324 325 /* High Priority Request Descriptor */ 326 struct MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR { 327 u8 RequestFlags; /* 0x00 */ 328 u8 MSIxIndex; /* 0x01 */ 329 u16 SMID; /* 0x02 */ 330 u16 LMID; /* 0x04 */ 331 u16 Reserved1; /* 0x06 */ 332 }; 333 334 /* SCSI IO Request Descriptor */ 335 struct MPI2_SCSI_IO_REQUEST_DESCRIPTOR { 336 u8 RequestFlags; /* 0x00 */ 337 u8 MSIxIndex; /* 0x01 */ 338 u16 SMID; /* 0x02 */ 339 u16 LMID; /* 0x04 */ 340 u16 DevHandle; /* 0x06 */ 341 }; 342 343 /* SCSI Target Request Descriptor */ 344 struct MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR { 345 u8 RequestFlags; /* 0x00 */ 346 u8 MSIxIndex; /* 0x01 */ 347 u16 SMID; /* 0x02 */ 348 u16 LMID; /* 0x04 */ 349 u16 IoIndex; /* 0x06 */ 350 }; 351 352 /* RAID Accelerator Request Descriptor */ 353 struct MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR { 354 u8 RequestFlags; /* 0x00 */ 355 u8 MSIxIndex; /* 0x01 */ 356 u16 SMID; /* 0x02 */ 357 u16 LMID; /* 0x04 */ 358 u16 Reserved; /* 0x06 */ 359 }; 360 361 /* union of Request Descriptors */ 362 union MEGASAS_REQUEST_DESCRIPTOR_UNION { 363 struct MPI2_DEFAULT_REQUEST_DESCRIPTOR Default; 364 struct MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR HighPriority; 365 struct MPI2_SCSI_IO_REQUEST_DESCRIPTOR SCSIIO; 366 struct MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR SCSITarget; 367 struct MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR RAIDAccelerator; 368 struct MEGASAS_RAID_MFA_IO_REQUEST_DESCRIPTOR MFAIo; 369 union { 370 struct { 371 u32 low; 372 u32 high; 373 } u; 374 u64 Words; 375 }; 376 }; 377 378 /* Default Reply Descriptor */ 379 struct MPI2_DEFAULT_REPLY_DESCRIPTOR { 380 u8 ReplyFlags; /* 0x00 */ 381 u8 MSIxIndex; /* 0x01 */ 382 u16 DescriptorTypeDependent1; /* 0x02 */ 383 u32 DescriptorTypeDependent2; /* 0x04 */ 384 }; 385 386 /* Address Reply Descriptor */ 387 struct MPI2_ADDRESS_REPLY_DESCRIPTOR { 388 u8 ReplyFlags; /* 0x00 */ 389 u8 MSIxIndex; /* 0x01 */ 390 u16 SMID; /* 0x02 */ 391 u32 ReplyFrameAddress; /* 0x04 */ 392 }; 393 394 /* SCSI IO Success Reply Descriptor */ 395 struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR { 396 u8 ReplyFlags; /* 0x00 */ 397 u8 MSIxIndex; /* 0x01 */ 398 u16 SMID; /* 0x02 */ 399 u16 TaskTag; /* 0x04 */ 400 u16 Reserved1; /* 0x06 */ 401 }; 402 403 /* TargetAssist Success Reply Descriptor */ 404 struct MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR { 405 u8 ReplyFlags; /* 0x00 */ 406 u8 MSIxIndex; /* 0x01 */ 407 u16 SMID; /* 0x02 */ 408 u8 SequenceNumber; /* 0x04 */ 409 u8 Reserved1; /* 0x05 */ 410 u16 IoIndex; /* 0x06 */ 411 }; 412 413 /* Target Command Buffer Reply Descriptor */ 414 struct MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR { 415 u8 ReplyFlags; /* 0x00 */ 416 u8 MSIxIndex; /* 0x01 */ 417 u8 VP_ID; /* 0x02 */ 418 u8 Flags; /* 0x03 */ 419 u16 InitiatorDevHandle; /* 0x04 */ 420 u16 IoIndex; /* 0x06 */ 421 }; 422 423 /* RAID Accelerator Success Reply Descriptor */ 424 struct MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR { 425 u8 ReplyFlags; /* 0x00 */ 426 u8 MSIxIndex; /* 0x01 */ 427 u16 SMID; /* 0x02 */ 428 u32 Reserved; /* 0x04 */ 429 }; 430 431 /* union of Reply Descriptors */ 432 union MPI2_REPLY_DESCRIPTORS_UNION { 433 struct MPI2_DEFAULT_REPLY_DESCRIPTOR Default; 434 struct MPI2_ADDRESS_REPLY_DESCRIPTOR AddressReply; 435 struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR SCSIIOSuccess; 436 struct MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR TargetAssistSuccess; 437 struct MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR TargetCommandBuffer; 438 struct MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR 439 RAIDAcceleratorSuccess; 440 u64 Words; 441 }; 442 443 /* IOCInit Request message */ 444 struct MPI2_IOC_INIT_REQUEST { 445 u8 WhoInit; /* 0x00 */ 446 u8 Reserved1; /* 0x01 */ 447 u8 ChainOffset; /* 0x02 */ 448 u8 Function; /* 0x03 */ 449 u16 Reserved2; /* 0x04 */ 450 u8 Reserved3; /* 0x06 */ 451 u8 MsgFlags; /* 0x07 */ 452 u8 VP_ID; /* 0x08 */ 453 u8 VF_ID; /* 0x09 */ 454 u16 Reserved4; /* 0x0A */ 455 u16 MsgVersion; /* 0x0C */ 456 u16 HeaderVersion; /* 0x0E */ 457 u32 Reserved5; /* 0x10 */ 458 u16 Reserved6; /* 0x14 */ 459 u8 Reserved7; /* 0x16 */ 460 u8 HostMSIxVectors; /* 0x17 */ 461 u16 Reserved8; /* 0x18 */ 462 u16 SystemRequestFrameSize; /* 0x1A */ 463 u16 ReplyDescriptorPostQueueDepth; /* 0x1C */ 464 u16 ReplyFreeQueueDepth; /* 0x1E */ 465 u32 SenseBufferAddressHigh; /* 0x20 */ 466 u32 SystemReplyAddressHigh; /* 0x24 */ 467 u64 SystemRequestFrameBaseAddress; /* 0x28 */ 468 u64 ReplyDescriptorPostQueueAddress;/* 0x30 */ 469 u64 ReplyFreeQueueAddress; /* 0x38 */ 470 u64 TimeStamp; /* 0x40 */ 471 }; 472 473 /* mrpriv defines */ 474 #define MR_PD_INVALID 0xFFFF 475 #define MAX_SPAN_DEPTH 8 476 #define MAX_QUAD_DEPTH MAX_SPAN_DEPTH 477 #define MAX_RAIDMAP_SPAN_DEPTH (MAX_SPAN_DEPTH) 478 #define MAX_ROW_SIZE 32 479 #define MAX_RAIDMAP_ROW_SIZE (MAX_ROW_SIZE) 480 #define MAX_LOGICAL_DRIVES 64 481 #define MAX_RAIDMAP_LOGICAL_DRIVES (MAX_LOGICAL_DRIVES) 482 #define MAX_RAIDMAP_VIEWS (MAX_LOGICAL_DRIVES) 483 #define MAX_ARRAYS 128 484 #define MAX_RAIDMAP_ARRAYS (MAX_ARRAYS) 485 #define MAX_PHYSICAL_DEVICES 256 486 #define MAX_RAIDMAP_PHYSICAL_DEVICES (MAX_PHYSICAL_DEVICES) 487 #define MR_DCMD_LD_MAP_GET_INFO 0x0300e101 488 489 struct MR_DEV_HANDLE_INFO { 490 u16 curDevHdl; 491 u8 validHandles; 492 u8 reserved; 493 u16 devHandle[2]; 494 }; 495 496 struct MR_ARRAY_INFO { 497 u16 pd[MAX_RAIDMAP_ROW_SIZE]; 498 }; 499 500 struct MR_QUAD_ELEMENT { 501 u64 logStart; 502 u64 logEnd; 503 u64 offsetInSpan; 504 u32 diff; 505 u32 reserved1; 506 }; 507 508 struct MR_SPAN_INFO { 509 u32 noElements; 510 u32 reserved1; 511 struct MR_QUAD_ELEMENT quad[MAX_RAIDMAP_SPAN_DEPTH]; 512 }; 513 514 struct MR_LD_SPAN { 515 u64 startBlk; 516 u64 numBlks; 517 u16 arrayRef; 518 u8 spanRowSize; 519 u8 spanRowDataSize; 520 u8 reserved[4]; 521 }; 522 523 struct MR_SPAN_BLOCK_INFO { 524 u64 num_rows; 525 struct MR_LD_SPAN span; 526 struct MR_SPAN_INFO block_span_info; 527 }; 528 529 struct MR_LD_RAID { 530 struct { 531 #if defined(__BIG_ENDIAN_BITFIELD) 532 u32 reserved4:7; 533 u32 fpNonRWCapable:1; 534 u32 fpReadAcrossStripe:1; 535 u32 fpWriteAcrossStripe:1; 536 u32 fpReadCapable:1; 537 u32 fpWriteCapable:1; 538 u32 encryptionType:8; 539 u32 pdPiMode:4; 540 u32 ldPiMode:4; 541 u32 reserved5:3; 542 u32 fpCapable:1; 543 #else 544 u32 fpCapable:1; 545 u32 reserved5:3; 546 u32 ldPiMode:4; 547 u32 pdPiMode:4; 548 u32 encryptionType:8; 549 u32 fpWriteCapable:1; 550 u32 fpReadCapable:1; 551 u32 fpWriteAcrossStripe:1; 552 u32 fpReadAcrossStripe:1; 553 u32 fpNonRWCapable:1; 554 u32 reserved4:7; 555 #endif 556 } capability; 557 u32 reserved6; 558 u64 size; 559 u8 spanDepth; 560 u8 level; 561 u8 stripeShift; 562 u8 rowSize; 563 u8 rowDataSize; 564 u8 writeMode; 565 u8 PRL; 566 u8 SRL; 567 u16 targetId; 568 u8 ldState; 569 u8 regTypeReqOnWrite; 570 u8 modFactor; 571 u8 regTypeReqOnRead; 572 u16 seqNum; 573 574 struct { 575 u32 ldSyncRequired:1; 576 u32 reserved:31; 577 } flags; 578 579 u8 LUN[8]; /* 0x24 8 byte LUN field used for SCSI IO's */ 580 u8 fpIoTimeoutForLd;/*0x2C timeout value used by driver in FP IO*/ 581 u8 reserved3[0x80-0x2D]; /* 0x2D */ 582 }; 583 584 struct MR_LD_SPAN_MAP { 585 struct MR_LD_RAID ldRaid; 586 u8 dataArmMap[MAX_RAIDMAP_ROW_SIZE]; 587 struct MR_SPAN_BLOCK_INFO spanBlock[MAX_RAIDMAP_SPAN_DEPTH]; 588 }; 589 590 struct MR_FW_RAID_MAP { 591 u32 totalSize; 592 union { 593 struct { 594 u32 maxLd; 595 u32 maxSpanDepth; 596 u32 maxRowSize; 597 u32 maxPdCount; 598 u32 maxArrays; 599 } validationInfo; 600 u32 version[5]; 601 u32 reserved1[5]; 602 }; 603 604 u32 ldCount; 605 u32 Reserved1; 606 u8 ldTgtIdToLd[MAX_RAIDMAP_LOGICAL_DRIVES+ 607 MAX_RAIDMAP_VIEWS]; 608 u8 fpPdIoTimeoutSec; 609 u8 reserved2[7]; 610 struct MR_ARRAY_INFO arMapInfo[MAX_RAIDMAP_ARRAYS]; 611 struct MR_DEV_HANDLE_INFO devHndlInfo[MAX_RAIDMAP_PHYSICAL_DEVICES]; 612 struct MR_LD_SPAN_MAP ldSpanMap[1]; 613 }; 614 615 struct IO_REQUEST_INFO { 616 u64 ldStartBlock; 617 u32 numBlocks; 618 u16 ldTgtId; 619 u8 isRead; 620 u16 devHandle; 621 u64 pdBlock; 622 u8 fpOkForIo; 623 u8 IoforUnevenSpan; 624 u8 start_span; 625 u8 reserved; 626 u64 start_row; 627 }; 628 629 struct MR_LD_TARGET_SYNC { 630 u8 targetId; 631 u8 reserved; 632 u16 seqNum; 633 }; 634 635 #define IEEE_SGE_FLAGS_ADDR_MASK (0x03) 636 #define IEEE_SGE_FLAGS_SYSTEM_ADDR (0x00) 637 #define IEEE_SGE_FLAGS_IOCDDR_ADDR (0x01) 638 #define IEEE_SGE_FLAGS_IOCPLB_ADDR (0x02) 639 #define IEEE_SGE_FLAGS_IOCPLBNTA_ADDR (0x03) 640 #define IEEE_SGE_FLAGS_CHAIN_ELEMENT (0x80) 641 #define IEEE_SGE_FLAGS_END_OF_LIST (0x40) 642 643 struct megasas_register_set; 644 struct megasas_instance; 645 646 union desc_word { 647 u64 word; 648 struct { 649 u32 low; 650 u32 high; 651 } u; 652 }; 653 654 struct megasas_cmd_fusion { 655 struct MPI2_RAID_SCSI_IO_REQUEST *io_request; 656 dma_addr_t io_request_phys_addr; 657 658 union MPI2_SGE_IO_UNION *sg_frame; 659 dma_addr_t sg_frame_phys_addr; 660 661 u8 *sense; 662 dma_addr_t sense_phys_addr; 663 664 struct list_head list; 665 struct scsi_cmnd *scmd; 666 struct megasas_instance *instance; 667 668 u8 retry_for_fw_reset; 669 union MEGASAS_REQUEST_DESCRIPTOR_UNION *request_desc; 670 671 /* 672 * Context for a MFI frame. 673 * Used to get the mfi cmd from list when a MFI cmd is completed 674 */ 675 u32 sync_cmd_idx; 676 u32 index; 677 u8 flags; 678 }; 679 680 struct LD_LOAD_BALANCE_INFO { 681 u8 loadBalanceFlag; 682 u8 reserved1; 683 u16 raid1DevHandle[2]; 684 atomic_t scsi_pending_cmds[2]; 685 u64 last_accessed_block[2]; 686 }; 687 688 /* SPAN_SET is info caclulated from span info from Raid map per LD */ 689 typedef struct _LD_SPAN_SET { 690 u64 log_start_lba; 691 u64 log_end_lba; 692 u64 span_row_start; 693 u64 span_row_end; 694 u64 data_strip_start; 695 u64 data_strip_end; 696 u64 data_row_start; 697 u64 data_row_end; 698 u8 strip_offset[MAX_SPAN_DEPTH]; 699 u32 span_row_data_width; 700 u32 diff; 701 u32 reserved[2]; 702 } LD_SPAN_SET, *PLD_SPAN_SET; 703 704 typedef struct LOG_BLOCK_SPAN_INFO { 705 LD_SPAN_SET span_set[MAX_SPAN_DEPTH]; 706 } LD_SPAN_INFO, *PLD_SPAN_INFO; 707 708 struct MR_FW_RAID_MAP_ALL { 709 struct MR_FW_RAID_MAP raidMap; 710 struct MR_LD_SPAN_MAP ldSpanMap[MAX_LOGICAL_DRIVES - 1]; 711 } __attribute__ ((packed)); 712 713 struct fusion_context { 714 struct megasas_cmd_fusion **cmd_list; 715 struct list_head cmd_pool; 716 717 spinlock_t cmd_pool_lock; 718 719 dma_addr_t req_frames_desc_phys; 720 u8 *req_frames_desc; 721 722 struct dma_pool *io_request_frames_pool; 723 dma_addr_t io_request_frames_phys; 724 u8 *io_request_frames; 725 726 struct dma_pool *sg_dma_pool; 727 struct dma_pool *sense_dma_pool; 728 729 dma_addr_t reply_frames_desc_phys; 730 union MPI2_REPLY_DESCRIPTORS_UNION *reply_frames_desc; 731 struct dma_pool *reply_frames_desc_pool; 732 733 u16 last_reply_idx[MAX_MSIX_QUEUES_FUSION]; 734 735 u32 reply_q_depth; 736 u32 request_alloc_sz; 737 u32 reply_alloc_sz; 738 u32 io_frames_alloc_sz; 739 740 u16 max_sge_in_main_msg; 741 u16 max_sge_in_chain; 742 743 u8 chain_offset_io_request; 744 u8 chain_offset_mfi_pthru; 745 746 struct MR_FW_RAID_MAP_ALL *ld_map[2]; 747 dma_addr_t ld_map_phys[2]; 748 749 u32 map_sz; 750 u8 fast_path_io; 751 struct LD_LOAD_BALANCE_INFO load_balance_info[MAX_LOGICAL_DRIVES]; 752 LD_SPAN_INFO log_to_span[MAX_LOGICAL_DRIVES]; 753 }; 754 755 union desc_value { 756 u64 word; 757 struct { 758 u32 low; 759 u32 high; 760 } u; 761 }; 762 763 #endif /* _MEGARAID_SAS_FUSION_H_ */ 764