2 * Linux MegaRAID driver for SAS based RAID controllers
4 * Copyright (c) 2009-2012 LSI Corporation.
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.
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.
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
20 * FILE: megaraid_sas_fusion.h
22 * Authors: LSI Corporation
26 * Send feedback to: <megaraidlinux@lsi.com>
28 * Mail to: LSI Corporation, 1621 Barber Lane, Milpitas, CA 95035
32 #ifndef _MEGARAID_SAS_FUSION_H_
33 #define _MEGARAID_SAS_FUSION_H_
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
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
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
65 #define MPI2_SUP_REPLY_POST_HOST_INDEX_OFFSET (0x0000030C)
66 #define MPI2_REPLY_POST_HOST_INDEX_OFFSET (0x0000006C)
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,
80 * Request descriptor types
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
87 #define MEGASAS_FP_CMD_LEN 16
88 #define MEGASAS_FUSION_IN_RESET 0
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
96 #if defined(__BIG_ENDIAN_BITFIELD)
107 u16 VirtualDiskTgtId;
120 #define RAID_CTX_SPANARM_ARM_SHIFT (0)
121 #define RAID_CTX_SPANARM_ARM_MASK (0x1f)
123 #define RAID_CTX_SPANARM_SPAN_SHIFT (5)
124 #define RAID_CTX_SPANARM_SPAN_MASK (0xE0)
127 * define region lock types
130 REGION_TYPE_UNUSED = 0,
131 REGION_TYPE_SHARED_READ = 1,
132 REGION_TYPE_SHARED_WRITE = 2,
133 REGION_TYPE_EXCLUSIVE = 3,
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) | \
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)
181 struct MPI25_IEEE_SGE_CHAIN64 {
189 struct MPI2_SGE_SIMPLE_UNION {
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 */
205 struct MPI2_SGE_CHAIN_UNION {
215 struct MPI2_IEEE_SGE_SIMPLE32 {
220 struct MPI2_IEEE_SGE_CHAIN32 {
225 struct MPI2_IEEE_SGE_SIMPLE64 {
233 struct MPI2_IEEE_SGE_CHAIN64 {
241 union MPI2_IEEE_SGE_SIMPLE_UNION {
242 struct MPI2_IEEE_SGE_SIMPLE32 Simple32;
243 struct MPI2_IEEE_SGE_SIMPLE64 Simple64;
246 union MPI2_IEEE_SGE_CHAIN_UNION {
247 struct MPI2_IEEE_SGE_CHAIN32 Chain32;
248 struct MPI2_IEEE_SGE_CHAIN64 Chain64;
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;
258 union MPI2_SCSI_IO_CDB_UNION {
260 struct MPI2_SCSI_IO_CDB_EEDP32 EEDP32;
261 struct MPI2_SGE_SIMPLE_UNION SGE;
265 * RAID SCSI IO Request Message
266 * Total SGE count will be one less than _MPI2_SCSI_IO_REQUEST
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 */
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 */
303 * MPT RAID MFA IO Descriptor.
305 struct MEGASAS_RAID_MFA_IO_REQUEST_DESCRIPTOR {
306 #if defined(__BIG_ENDIAN_BITFIELD)
307 u32 MessageAddress1:24; /* bits 31:8*/
311 u32 MessageAddress1:24; /* bits 31:8*/
313 u32 MessageAddress2; /* bits 61:32 */
316 /* Default Request Descriptor */
317 struct MPI2_DEFAULT_REQUEST_DESCRIPTOR {
318 u8 RequestFlags; /* 0x00 */
319 u8 MSIxIndex; /* 0x01 */
322 u16 DescriptorTypeDependent; /* 0x06 */
325 /* High Priority Request Descriptor */
326 struct MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR {
327 u8 RequestFlags; /* 0x00 */
328 u8 MSIxIndex; /* 0x01 */
331 u16 Reserved1; /* 0x06 */
334 /* SCSI IO Request Descriptor */
335 struct MPI2_SCSI_IO_REQUEST_DESCRIPTOR {
336 u8 RequestFlags; /* 0x00 */
337 u8 MSIxIndex; /* 0x01 */
340 u16 DevHandle; /* 0x06 */
343 /* SCSI Target Request Descriptor */
344 struct MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR {
345 u8 RequestFlags; /* 0x00 */
346 u8 MSIxIndex; /* 0x01 */
349 u16 IoIndex; /* 0x06 */
352 /* RAID Accelerator Request Descriptor */
353 struct MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR {
354 u8 RequestFlags; /* 0x00 */
355 u8 MSIxIndex; /* 0x01 */
358 u16 Reserved; /* 0x06 */
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;
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 */
386 /* Address Reply Descriptor */
387 struct MPI2_ADDRESS_REPLY_DESCRIPTOR {
388 u8 ReplyFlags; /* 0x00 */
389 u8 MSIxIndex; /* 0x01 */
391 u32 ReplyFrameAddress; /* 0x04 */
394 /* SCSI IO Success Reply Descriptor */
395 struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR {
396 u8 ReplyFlags; /* 0x00 */
397 u8 MSIxIndex; /* 0x01 */
399 u16 TaskTag; /* 0x04 */
400 u16 Reserved1; /* 0x06 */
403 /* TargetAssist Success Reply Descriptor */
404 struct MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR {
405 u8 ReplyFlags; /* 0x00 */
406 u8 MSIxIndex; /* 0x01 */
408 u8 SequenceNumber; /* 0x04 */
409 u8 Reserved1; /* 0x05 */
410 u16 IoIndex; /* 0x06 */
413 /* Target Command Buffer Reply Descriptor */
414 struct MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR {
415 u8 ReplyFlags; /* 0x00 */
416 u8 MSIxIndex; /* 0x01 */
419 u16 InitiatorDevHandle; /* 0x04 */
420 u16 IoIndex; /* 0x06 */
423 /* RAID Accelerator Success Reply Descriptor */
424 struct MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR {
425 u8 ReplyFlags; /* 0x00 */
426 u8 MSIxIndex; /* 0x01 */
428 u32 Reserved; /* 0x04 */
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;
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 */
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 */
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 #define MR_DCMD_CTRL_SHARED_HOST_MEM_ALLOC 0x010e8485 /* SR-IOV HB alloc*/
489 #define MR_DCMD_LD_VF_MAP_GET_ALL_LDS_111 0x03200200
490 #define MR_DCMD_LD_VF_MAP_GET_ALL_LDS 0x03150200
492 struct MR_DEV_HANDLE_INFO {
499 struct MR_ARRAY_INFO {
500 u16 pd[MAX_RAIDMAP_ROW_SIZE];
503 struct MR_QUAD_ELEMENT {
511 struct MR_SPAN_INFO {
514 struct MR_QUAD_ELEMENT quad[MAX_RAIDMAP_SPAN_DEPTH];
526 struct MR_SPAN_BLOCK_INFO {
528 struct MR_LD_SPAN span;
529 struct MR_SPAN_INFO block_span_info;
534 #if defined(__BIG_ENDIAN_BITFIELD)
536 u32 fpNonRWCapable:1;
537 u32 fpReadAcrossStripe:1;
538 u32 fpWriteAcrossStripe:1;
540 u32 fpWriteCapable:1;
541 u32 encryptionType:8;
551 u32 encryptionType:8;
552 u32 fpWriteCapable:1;
554 u32 fpWriteAcrossStripe:1;
555 u32 fpReadAcrossStripe:1;
556 u32 fpNonRWCapable:1;
572 u8 regTypeReqOnWrite;
578 u32 ldSyncRequired:1;
582 u8 LUN[8]; /* 0x24 8 byte LUN field used for SCSI IO's */
583 u8 fpIoTimeoutForLd;/*0x2C timeout value used by driver in FP IO*/
584 u8 reserved3[0x80-0x2D]; /* 0x2D */
587 struct MR_LD_SPAN_MAP {
588 struct MR_LD_RAID ldRaid;
589 u8 dataArmMap[MAX_RAIDMAP_ROW_SIZE];
590 struct MR_SPAN_BLOCK_INFO spanBlock[MAX_RAIDMAP_SPAN_DEPTH];
593 struct MR_FW_RAID_MAP {
609 u8 ldTgtIdToLd[MAX_RAIDMAP_LOGICAL_DRIVES+
613 struct MR_ARRAY_INFO arMapInfo[MAX_RAIDMAP_ARRAYS];
614 struct MR_DEV_HANDLE_INFO devHndlInfo[MAX_RAIDMAP_PHYSICAL_DEVICES];
615 struct MR_LD_SPAN_MAP ldSpanMap[1];
618 struct IO_REQUEST_INFO {
632 struct MR_LD_TARGET_SYNC {
638 #define IEEE_SGE_FLAGS_ADDR_MASK (0x03)
639 #define IEEE_SGE_FLAGS_SYSTEM_ADDR (0x00)
640 #define IEEE_SGE_FLAGS_IOCDDR_ADDR (0x01)
641 #define IEEE_SGE_FLAGS_IOCPLB_ADDR (0x02)
642 #define IEEE_SGE_FLAGS_IOCPLBNTA_ADDR (0x03)
643 #define IEEE_SGE_FLAGS_CHAIN_ELEMENT (0x80)
644 #define IEEE_SGE_FLAGS_END_OF_LIST (0x40)
646 struct megasas_register_set;
647 struct megasas_instance;
657 struct megasas_cmd_fusion {
658 struct MPI2_RAID_SCSI_IO_REQUEST *io_request;
659 dma_addr_t io_request_phys_addr;
661 union MPI2_SGE_IO_UNION *sg_frame;
662 dma_addr_t sg_frame_phys_addr;
665 dma_addr_t sense_phys_addr;
667 struct list_head list;
668 struct scsi_cmnd *scmd;
669 struct megasas_instance *instance;
671 u8 retry_for_fw_reset;
672 union MEGASAS_REQUEST_DESCRIPTOR_UNION *request_desc;
675 * Context for a MFI frame.
676 * Used to get the mfi cmd from list when a MFI cmd is completed
683 struct LD_LOAD_BALANCE_INFO {
686 u16 raid1DevHandle[2];
687 atomic_t scsi_pending_cmds[2];
688 u64 last_accessed_block[2];
691 /* SPAN_SET is info caclulated from span info from Raid map per LD */
692 typedef struct _LD_SPAN_SET {
697 u64 data_strip_start;
701 u8 strip_offset[MAX_SPAN_DEPTH];
702 u32 span_row_data_width;
705 } LD_SPAN_SET, *PLD_SPAN_SET;
707 typedef struct LOG_BLOCK_SPAN_INFO {
708 LD_SPAN_SET span_set[MAX_SPAN_DEPTH];
709 } LD_SPAN_INFO, *PLD_SPAN_INFO;
711 struct MR_FW_RAID_MAP_ALL {
712 struct MR_FW_RAID_MAP raidMap;
713 struct MR_LD_SPAN_MAP ldSpanMap[MAX_LOGICAL_DRIVES - 1];
714 } __attribute__ ((packed));
716 struct fusion_context {
717 struct megasas_cmd_fusion **cmd_list;
718 struct list_head cmd_pool;
720 spinlock_t cmd_pool_lock;
722 dma_addr_t req_frames_desc_phys;
725 struct dma_pool *io_request_frames_pool;
726 dma_addr_t io_request_frames_phys;
727 u8 *io_request_frames;
729 struct dma_pool *sg_dma_pool;
730 struct dma_pool *sense_dma_pool;
732 dma_addr_t reply_frames_desc_phys;
733 union MPI2_REPLY_DESCRIPTORS_UNION *reply_frames_desc;
734 struct dma_pool *reply_frames_desc_pool;
736 u16 last_reply_idx[MAX_MSIX_QUEUES_FUSION];
739 u32 request_alloc_sz;
741 u32 io_frames_alloc_sz;
743 u16 max_sge_in_main_msg;
744 u16 max_sge_in_chain;
746 u8 chain_offset_io_request;
747 u8 chain_offset_mfi_pthru;
749 struct MR_FW_RAID_MAP_ALL *ld_map[2];
750 dma_addr_t ld_map_phys[2];
754 struct LD_LOAD_BALANCE_INFO load_balance_info[MAX_LOGICAL_DRIVES];
755 LD_SPAN_INFO log_to_span[MAX_LOGICAL_DRIVES];
766 #endif /* _MEGARAID_SAS_FUSION_H_ */