2 * Linux MegaRAID driver for SAS based RAID controllers
4 * Copyright (c) 2009-2013 LSI Corporation
5 * Copyright (c) 2013-2014 Avago Technologies
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 2
10 * of the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * FILE: megaraid_sas_fusion.h
22 * Authors: Avago Technologies
25 * Kashyap Desai <kashyap.desai@avagotech.com>
26 * Sumit Saxena <sumit.saxena@avagotech.com>
28 * Send feedback to: megaraidlinux.pdl@avagotech.com
30 * Mail to: Avago Technologies, 350 West Trimble Road, Building 90,
31 * San Jose, California 95131
34 #ifndef _MEGARAID_SAS_FUSION_H_
35 #define _MEGARAID_SAS_FUSION_H_
38 #define MEGASAS_CHAIN_FRAME_SZ_MIN 1024
39 #define MFI_FUSION_ENABLE_INTERRUPT_MASK (0x00000009)
40 #define MEGASAS_MAX_CHAIN_SHIFT 5
41 #define MEGASAS_MAX_CHAIN_SIZE_UNITS_MASK 0x400000
42 #define MEGASAS_MAX_CHAIN_SIZE_MASK 0x3E0
43 #define MEGASAS_256K_IO 128
44 #define MEGASAS_1MB_IO (MEGASAS_256K_IO * 4)
45 #define MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE 256
46 #define MEGASAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST 0xF0
47 #define MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST 0xF1
48 #define MEGASAS_LOAD_BALANCE_FLAG 0x1
49 #define MEGASAS_DCMD_MBOX_PEND_FLAG 0x1
50 #define HOST_DIAG_WRITE_ENABLE 0x80
51 #define HOST_DIAG_RESET_ADAPTER 0x4
52 #define MEGASAS_FUSION_MAX_RESET_TRIES 3
53 #define MAX_MSIX_QUEUES_FUSION 128
54 #define RDPQ_MAX_INDEX_IN_ONE_CHUNK 16
55 #define RDPQ_MAX_CHUNK_COUNT (MAX_MSIX_QUEUES_FUSION / RDPQ_MAX_INDEX_IN_ONE_CHUNK)
58 #define MPI2_TYPE_CUDA 0x2
59 #define MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH 0x4000
60 #define MR_RL_FLAGS_GRANT_DESTINATION_CPU0 0x00
61 #define MR_RL_FLAGS_GRANT_DESTINATION_CPU1 0x10
62 #define MR_RL_FLAGS_GRANT_DESTINATION_CUDA 0x80
63 #define MR_RL_FLAGS_SEQ_NUM_ENABLE 0x8
64 #define MR_RL_WRITE_THROUGH_MODE 0x00
65 #define MR_RL_WRITE_BACK_MODE 0x01
68 #define MR_PROT_INFO_TYPE_CONTROLLER 0x8
69 #define MEGASAS_SCSI_VARIABLE_LENGTH_CMD 0x7f
70 #define MEGASAS_SCSI_SERVICE_ACTION_READ32 0x9
71 #define MEGASAS_SCSI_SERVICE_ACTION_WRITE32 0xB
72 #define MEGASAS_SCSI_ADDL_CDB_LEN 0x18
73 #define MEGASAS_RD_WR_PROTECT_CHECK_ALL 0x20
74 #define MEGASAS_RD_WR_PROTECT_CHECK_NONE 0x60
76 #define MPI2_SUP_REPLY_POST_HOST_INDEX_OFFSET (0x0000030C)
77 #define MPI2_REPLY_POST_HOST_INDEX_OFFSET (0x0000006C)
83 #define MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT 0x4
84 #define MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_MASK 0x30
85 enum MR_RAID_FLAGS_IO_SUB_TYPE {
86 MR_RAID_FLAGS_IO_SUB_TYPE_NONE = 0,
87 MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD = 1,
88 MR_RAID_FLAGS_IO_SUB_TYPE_RMW_DATA = 2,
89 MR_RAID_FLAGS_IO_SUB_TYPE_RMW_P = 3,
90 MR_RAID_FLAGS_IO_SUB_TYPE_RMW_Q = 4,
91 MR_RAID_FLAGS_IO_SUB_TYPE_CACHE_BYPASS = 6,
92 MR_RAID_FLAGS_IO_SUB_TYPE_LDIO_BW_LIMIT = 7
96 * Request descriptor types
98 #define MEGASAS_REQ_DESCRIPT_FLAGS_LD_IO 0x7
99 #define MEGASAS_REQ_DESCRIPT_FLAGS_MFA 0x1
100 #define MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK 0x2
101 #define MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT 1
103 #define MEGASAS_FP_CMD_LEN 16
104 #define MEGASAS_FUSION_IN_RESET 0
105 #define MEGASAS_FUSION_OCR_NOT_POSSIBLE 1
106 #define THRESHOLD_REPLY_COUNT 50
107 #define RAID_1_PEER_CMDS 2
108 #define JBOD_MAPS_COUNT 2
109 #define MEGASAS_REDUCE_QD_COUNT 64
110 #define IOC_INIT_FRAME_SIZE 4096
113 * Raid Context structure which describes MegaRAID specific IO Parameters
114 * This resides at offset 0x60 where the SGL normally starts in MPT IO Frames
117 struct RAID_CONTEXT {
118 #if defined(__BIG_ENDIAN_BITFIELD)
126 __le16 timeout_value;
129 __le16 virtual_disk_tgt_id;
130 __le64 reg_lock_row_lba;
131 __le32 reg_lock_length;
137 __le16 config_seq_num;
145 * Raid Context structure which describes ventura MegaRAID specific
146 * IO Paramenters ,This resides at offset 0x60 where the SGL normally
147 * starts in MPT IO Frames
149 struct RAID_CONTEXT_G35 {
150 #define RAID_CONTEXT_NSEG_MASK 0x00F0
151 #define RAID_CONTEXT_NSEG_SHIFT 4
152 #define RAID_CONTEXT_TYPE_MASK 0x000F
153 #define RAID_CONTEXT_TYPE_SHIFT 0
155 u16 timeout_value; /* 0x02 -0x03 */
156 u16 routing_flags; // 0x04 -0x05 routing flags
157 u16 virtual_disk_tgt_id; /* 0x06 -0x07 */
158 u64 reg_lock_row_lba; /* 0x08 - 0x0F */
159 u32 reg_lock_length; /* 0x10 - 0x13 */
161 u16 next_lmid; /* 0x14 - 0x15 */
162 u16 peer_smid; /* used for the raid 1/10 fp writes */
164 u8 ex_status; /* 0x16 : OUT */
165 u8 status; /* 0x17 status */
166 u8 raid_flags; /* 0x18 resvd[7:6], ioSubType[5:4],
167 * resvd[3:1], preferredCpu[0]
169 u8 span_arm; /* 0x1C span[7:5], arm[4:0] */
170 u16 config_seq_num; /* 0x1A -0x1B */
174 * ---------------------------------
175 * | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
176 * ---------------------------------
177 * Byte0 | numSGE[7]- numSGE[0] |
178 * ---------------------------------
179 * Byte1 |SD | resvd | numSGE 8-11 |
180 * --------------------------------
182 #define NUM_SGE_MASK_LOWER 0xFF
183 #define NUM_SGE_MASK_UPPER 0x0F
184 #define NUM_SGE_SHIFT_UPPER 8
185 #define STREAM_DETECT_SHIFT 7
186 #define STREAM_DETECT_MASK 0x80
188 #if defined(__BIG_ENDIAN_BITFIELD) /* 0x1C - 0x1D */
189 u16 stream_detected:1;
195 u16 stream_detected:1;
200 u8 resvd2[2]; /* 0x1E-0x1F */
203 #define MR_RAID_CTX_ROUTINGFLAGS_SLD_SHIFT 1
204 #define MR_RAID_CTX_ROUTINGFLAGS_C2D_SHIFT 2
205 #define MR_RAID_CTX_ROUTINGFLAGS_FWD_SHIFT 3
206 #define MR_RAID_CTX_ROUTINGFLAGS_SQN_SHIFT 4
207 #define MR_RAID_CTX_ROUTINGFLAGS_SBS_SHIFT 5
208 #define MR_RAID_CTX_ROUTINGFLAGS_RW_SHIFT 6
209 #define MR_RAID_CTX_ROUTINGFLAGS_LOG_SHIFT 7
210 #define MR_RAID_CTX_ROUTINGFLAGS_CPUSEL_SHIFT 8
211 #define MR_RAID_CTX_ROUTINGFLAGS_CPUSEL_MASK 0x0F00
212 #define MR_RAID_CTX_ROUTINGFLAGS_SETDIVERT_SHIFT 12
213 #define MR_RAID_CTX_ROUTINGFLAGS_SETDIVERT_MASK 0xF000
215 static inline void set_num_sge(struct RAID_CONTEXT_G35 *rctx_g35,
218 rctx_g35->u.bytes[0] = (u8)(sge_count & NUM_SGE_MASK_LOWER);
219 rctx_g35->u.bytes[1] |= (u8)((sge_count >> NUM_SGE_SHIFT_UPPER)
220 & NUM_SGE_MASK_UPPER);
223 static inline u16 get_num_sge(struct RAID_CONTEXT_G35 *rctx_g35)
227 sge_count = (u16)(((rctx_g35->u.bytes[1] & NUM_SGE_MASK_UPPER)
228 << NUM_SGE_SHIFT_UPPER) | (rctx_g35->u.bytes[0]));
232 #define SET_STREAM_DETECTED(rctx_g35) \
233 (rctx_g35.u.bytes[1] |= STREAM_DETECT_MASK)
235 #define CLEAR_STREAM_DETECTED(rctx_g35) \
236 (rctx_g35.u.bytes[1] &= ~(STREAM_DETECT_MASK))
238 static inline bool is_stream_detected(struct RAID_CONTEXT_G35 *rctx_g35)
240 return ((rctx_g35->u.bytes[1] & STREAM_DETECT_MASK));
243 union RAID_CONTEXT_UNION {
244 struct RAID_CONTEXT raid_context;
245 struct RAID_CONTEXT_G35 raid_context_g35;
248 #define RAID_CTX_SPANARM_ARM_SHIFT (0)
249 #define RAID_CTX_SPANARM_ARM_MASK (0x1f)
251 #define RAID_CTX_SPANARM_SPAN_SHIFT (5)
252 #define RAID_CTX_SPANARM_SPAN_MASK (0xE0)
254 /* number of bits per index in U32 TrackStream */
255 #define BITS_PER_INDEX_STREAM 4
256 #define INVALID_STREAM_NUM 16
257 #define MR_STREAM_BITMAP 0x76543210
258 #define STREAM_MASK ((1 << BITS_PER_INDEX_STREAM) - 1)
259 #define ZERO_LAST_STREAM 0x0fffffff
260 #define MAX_STREAMS_TRACKED 8
263 * define region lock types
266 REGION_TYPE_UNUSED = 0,
267 REGION_TYPE_SHARED_READ = 1,
268 REGION_TYPE_SHARED_WRITE = 2,
269 REGION_TYPE_EXCLUSIVE = 3,
273 #define MPI2_FUNCTION_IOC_INIT (0x02) /* IOC Init */
274 #define MPI2_WHOINIT_HOST_DRIVER (0x04)
275 #define MPI2_VERSION_MAJOR (0x02)
276 #define MPI2_VERSION_MINOR (0x00)
277 #define MPI2_VERSION_MAJOR_MASK (0xFF00)
278 #define MPI2_VERSION_MAJOR_SHIFT (8)
279 #define MPI2_VERSION_MINOR_MASK (0x00FF)
280 #define MPI2_VERSION_MINOR_SHIFT (0)
281 #define MPI2_VERSION ((MPI2_VERSION_MAJOR << MPI2_VERSION_MAJOR_SHIFT) | \
283 #define MPI2_HEADER_VERSION_UNIT (0x10)
284 #define MPI2_HEADER_VERSION_DEV (0x00)
285 #define MPI2_HEADER_VERSION_UNIT_MASK (0xFF00)
286 #define MPI2_HEADER_VERSION_UNIT_SHIFT (8)
287 #define MPI2_HEADER_VERSION_DEV_MASK (0x00FF)
288 #define MPI2_HEADER_VERSION_DEV_SHIFT (0)
289 #define MPI2_HEADER_VERSION ((MPI2_HEADER_VERSION_UNIT << 8) | \
290 MPI2_HEADER_VERSION_DEV)
291 #define MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR (0x03)
292 #define MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG (0x8000)
293 #define MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG (0x0400)
294 #define MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP (0x0003)
295 #define MPI2_SCSIIO_EEDPFLAGS_CHECK_APPTAG (0x0200)
296 #define MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD (0x0100)
297 #define MPI2_SCSIIO_EEDPFLAGS_INSERT_OP (0x0004)
298 /* EEDP escape mode */
299 #define MPI25_SCSIIO_EEDPFLAGS_DO_NOT_DISABLE_MODE (0x0040)
300 #define MPI2_FUNCTION_SCSI_IO_REQUEST (0x00) /* SCSI IO */
301 #define MPI2_FUNCTION_SCSI_TASK_MGMT (0x01)
302 #define MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY (0x03)
303 #define MPI2_REQ_DESCRIPT_FLAGS_FP_IO (0x06)
304 #define MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO (0x00)
305 #define MPI2_SGE_FLAGS_64_BIT_ADDRESSING (0x02)
306 #define MPI2_SCSIIO_CONTROL_WRITE (0x01000000)
307 #define MPI2_SCSIIO_CONTROL_READ (0x02000000)
308 #define MPI2_REQ_DESCRIPT_FLAGS_TYPE_MASK (0x0E)
309 #define MPI2_RPY_DESCRIPT_FLAGS_UNUSED (0x0F)
310 #define MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS (0x00)
311 #define MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK (0x0F)
312 #define MPI2_WRSEQ_FLUSH_KEY_VALUE (0x0)
313 #define MPI2_WRITE_SEQUENCE_OFFSET (0x00000004)
314 #define MPI2_WRSEQ_1ST_KEY_VALUE (0xF)
315 #define MPI2_WRSEQ_2ND_KEY_VALUE (0x4)
316 #define MPI2_WRSEQ_3RD_KEY_VALUE (0xB)
317 #define MPI2_WRSEQ_4TH_KEY_VALUE (0x2)
318 #define MPI2_WRSEQ_5TH_KEY_VALUE (0x7)
319 #define MPI2_WRSEQ_6TH_KEY_VALUE (0xD)
321 struct MPI25_IEEE_SGE_CHAIN64 {
329 struct MPI2_SGE_SIMPLE_UNION {
337 struct MPI2_SCSI_IO_CDB_EEDP32 {
338 u8 CDB[20]; /* 0x00 */
339 __be32 PrimaryReferenceTag; /* 0x14 */
340 __be16 PrimaryApplicationTag; /* 0x18 */
341 __be16 PrimaryApplicationTagMask; /* 0x1A */
342 __le32 TransferLength; /* 0x1C */
345 struct MPI2_SGE_CHAIN_UNION {
355 struct MPI2_IEEE_SGE_SIMPLE32 {
360 struct MPI2_IEEE_SGE_CHAIN32 {
365 struct MPI2_IEEE_SGE_SIMPLE64 {
373 struct MPI2_IEEE_SGE_CHAIN64 {
381 union MPI2_IEEE_SGE_SIMPLE_UNION {
382 struct MPI2_IEEE_SGE_SIMPLE32 Simple32;
383 struct MPI2_IEEE_SGE_SIMPLE64 Simple64;
386 union MPI2_IEEE_SGE_CHAIN_UNION {
387 struct MPI2_IEEE_SGE_CHAIN32 Chain32;
388 struct MPI2_IEEE_SGE_CHAIN64 Chain64;
391 union MPI2_SGE_IO_UNION {
392 struct MPI2_SGE_SIMPLE_UNION MpiSimple;
393 struct MPI2_SGE_CHAIN_UNION MpiChain;
394 union MPI2_IEEE_SGE_SIMPLE_UNION IeeeSimple;
395 union MPI2_IEEE_SGE_CHAIN_UNION IeeeChain;
398 union MPI2_SCSI_IO_CDB_UNION {
400 struct MPI2_SCSI_IO_CDB_EEDP32 EEDP32;
401 struct MPI2_SGE_SIMPLE_UNION SGE;
404 /****************************************************************************
405 * SCSI Task Management messages
406 ****************************************************************************/
408 /*SCSI Task Management Request Message */
409 struct MPI2_SCSI_TASK_MANAGE_REQUEST {
410 u16 DevHandle; /*0x00 */
411 u8 ChainOffset; /*0x02 */
412 u8 Function; /*0x03 */
413 u8 Reserved1; /*0x04 */
414 u8 TaskType; /*0x05 */
415 u8 Reserved2; /*0x06 */
416 u8 MsgFlags; /*0x07 */
419 u16 Reserved3; /*0x0A */
421 u32 Reserved4[7]; /*0x14 */
422 u16 TaskMID; /*0x30 */
423 u16 Reserved5; /*0x32 */
427 /*SCSI Task Management Reply Message */
428 struct MPI2_SCSI_TASK_MANAGE_REPLY {
429 u16 DevHandle; /*0x00 */
430 u8 MsgLength; /*0x02 */
431 u8 Function; /*0x03 */
432 u8 ResponseCode; /*0x04 */
433 u8 TaskType; /*0x05 */
434 u8 Reserved1; /*0x06 */
435 u8 MsgFlags; /*0x07 */
438 u16 Reserved2; /*0x0A */
439 u16 Reserved3; /*0x0C */
440 u16 IOCStatus; /*0x0E */
441 u32 IOCLogInfo; /*0x10 */
442 u32 TerminationCount; /*0x14 */
443 u32 ResponseInfo; /*0x18 */
446 struct MR_TM_REQUEST {
454 /* SCSI Task Management Request Message */
455 struct MR_TASK_MANAGE_REQUEST {
456 /*To be type casted to struct MPI2_SCSI_TASK_MANAGE_REQUEST */
457 struct MR_TM_REQUEST TmRequest;
460 #if defined(__BIG_ENDIAN_BITFIELD)
471 struct MR_TM_REPLY TMReply;
475 /* TaskType values */
477 #define MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK (0x01)
478 #define MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET (0x02)
479 #define MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET (0x03)
480 #define MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET (0x05)
481 #define MPI2_SCSITASKMGMT_TASKTYPE_CLEAR_TASK_SET (0x06)
482 #define MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK (0x07)
483 #define MPI2_SCSITASKMGMT_TASKTYPE_CLR_ACA (0x08)
484 #define MPI2_SCSITASKMGMT_TASKTYPE_QRY_TASK_SET (0x09)
485 #define MPI2_SCSITASKMGMT_TASKTYPE_QRY_ASYNC_EVENT (0x0A)
487 /* ResponseCode values */
489 #define MPI2_SCSITASKMGMT_RSP_TM_COMPLETE (0x00)
490 #define MPI2_SCSITASKMGMT_RSP_INVALID_FRAME (0x02)
491 #define MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED (0x04)
492 #define MPI2_SCSITASKMGMT_RSP_TM_FAILED (0x05)
493 #define MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED (0x08)
494 #define MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN (0x09)
495 #define MPI2_SCSITASKMGMT_RSP_TM_OVERLAPPED_TAG (0x0A)
496 #define MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC (0x80)
499 * RAID SCSI IO Request Message
500 * Total SGE count will be one less than _MPI2_SCSI_IO_REQUEST
502 struct MPI2_RAID_SCSI_IO_REQUEST {
503 __le16 DevHandle; /* 0x00 */
504 u8 ChainOffset; /* 0x02 */
505 u8 Function; /* 0x03 */
506 __le16 Reserved1; /* 0x04 */
507 u8 Reserved2; /* 0x06 */
508 u8 MsgFlags; /* 0x07 */
511 __le16 Reserved3; /* 0x0A */
512 __le32 SenseBufferLowAddress; /* 0x0C */
513 __le16 SGLFlags; /* 0x10 */
514 u8 SenseBufferLength; /* 0x12 */
515 u8 Reserved4; /* 0x13 */
516 u8 SGLOffset0; /* 0x14 */
517 u8 SGLOffset1; /* 0x15 */
518 u8 SGLOffset2; /* 0x16 */
519 u8 SGLOffset3; /* 0x17 */
520 __le32 SkipCount; /* 0x18 */
521 __le32 DataLength; /* 0x1C */
522 __le32 BidirectionalDataLength; /* 0x20 */
523 __le16 IoFlags; /* 0x24 */
524 __le16 EEDPFlags; /* 0x26 */
525 __le32 EEDPBlockSize; /* 0x28 */
526 __le32 SecondaryReferenceTag; /* 0x2C */
527 __le16 SecondaryApplicationTag; /* 0x30 */
528 __le16 ApplicationTagTranslationMask; /* 0x32 */
529 u8 LUN[8]; /* 0x34 */
530 __le32 Control; /* 0x3C */
531 union MPI2_SCSI_IO_CDB_UNION CDB; /* 0x40 */
532 union RAID_CONTEXT_UNION RaidContext; /* 0x60 */
533 union MPI2_SGE_IO_UNION SGL; /* 0x80 */
537 * MPT RAID MFA IO Descriptor.
539 struct MEGASAS_RAID_MFA_IO_REQUEST_DESCRIPTOR {
541 u32 MessageAddress1:24;
545 /* Default Request Descriptor */
546 struct MPI2_DEFAULT_REQUEST_DESCRIPTOR {
547 u8 RequestFlags; /* 0x00 */
548 u8 MSIxIndex; /* 0x01 */
549 __le16 SMID; /* 0x02 */
550 __le16 LMID; /* 0x04 */
551 __le16 DescriptorTypeDependent; /* 0x06 */
554 /* High Priority Request Descriptor */
555 struct MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR {
556 u8 RequestFlags; /* 0x00 */
557 u8 MSIxIndex; /* 0x01 */
558 __le16 SMID; /* 0x02 */
559 __le16 LMID; /* 0x04 */
560 __le16 Reserved1; /* 0x06 */
563 /* SCSI IO Request Descriptor */
564 struct MPI2_SCSI_IO_REQUEST_DESCRIPTOR {
565 u8 RequestFlags; /* 0x00 */
566 u8 MSIxIndex; /* 0x01 */
567 __le16 SMID; /* 0x02 */
568 __le16 LMID; /* 0x04 */
569 __le16 DevHandle; /* 0x06 */
572 /* SCSI Target Request Descriptor */
573 struct MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR {
574 u8 RequestFlags; /* 0x00 */
575 u8 MSIxIndex; /* 0x01 */
576 __le16 SMID; /* 0x02 */
577 __le16 LMID; /* 0x04 */
578 __le16 IoIndex; /* 0x06 */
581 /* RAID Accelerator Request Descriptor */
582 struct MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR {
583 u8 RequestFlags; /* 0x00 */
584 u8 MSIxIndex; /* 0x01 */
585 __le16 SMID; /* 0x02 */
586 __le16 LMID; /* 0x04 */
587 __le16 Reserved; /* 0x06 */
590 /* union of Request Descriptors */
591 union MEGASAS_REQUEST_DESCRIPTOR_UNION {
592 struct MPI2_DEFAULT_REQUEST_DESCRIPTOR Default;
593 struct MPI2_HIGH_PRIORITY_REQUEST_DESCRIPTOR HighPriority;
594 struct MPI2_SCSI_IO_REQUEST_DESCRIPTOR SCSIIO;
595 struct MPI2_SCSI_TARGET_REQUEST_DESCRIPTOR SCSITarget;
596 struct MPI2_RAID_ACCEL_REQUEST_DESCRIPTOR RAIDAccelerator;
597 struct MEGASAS_RAID_MFA_IO_REQUEST_DESCRIPTOR MFAIo;
607 /* Default Reply Descriptor */
608 struct MPI2_DEFAULT_REPLY_DESCRIPTOR {
609 u8 ReplyFlags; /* 0x00 */
610 u8 MSIxIndex; /* 0x01 */
611 __le16 DescriptorTypeDependent1; /* 0x02 */
612 __le32 DescriptorTypeDependent2; /* 0x04 */
615 /* Address Reply Descriptor */
616 struct MPI2_ADDRESS_REPLY_DESCRIPTOR {
617 u8 ReplyFlags; /* 0x00 */
618 u8 MSIxIndex; /* 0x01 */
619 __le16 SMID; /* 0x02 */
620 __le32 ReplyFrameAddress; /* 0x04 */
623 /* SCSI IO Success Reply Descriptor */
624 struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR {
625 u8 ReplyFlags; /* 0x00 */
626 u8 MSIxIndex; /* 0x01 */
627 __le16 SMID; /* 0x02 */
628 __le16 TaskTag; /* 0x04 */
629 __le16 Reserved1; /* 0x06 */
632 /* TargetAssist Success Reply Descriptor */
633 struct MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR {
634 u8 ReplyFlags; /* 0x00 */
635 u8 MSIxIndex; /* 0x01 */
636 __le16 SMID; /* 0x02 */
637 u8 SequenceNumber; /* 0x04 */
638 u8 Reserved1; /* 0x05 */
639 __le16 IoIndex; /* 0x06 */
642 /* Target Command Buffer Reply Descriptor */
643 struct MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR {
644 u8 ReplyFlags; /* 0x00 */
645 u8 MSIxIndex; /* 0x01 */
648 __le16 InitiatorDevHandle; /* 0x04 */
649 __le16 IoIndex; /* 0x06 */
652 /* RAID Accelerator Success Reply Descriptor */
653 struct MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR {
654 u8 ReplyFlags; /* 0x00 */
655 u8 MSIxIndex; /* 0x01 */
656 __le16 SMID; /* 0x02 */
657 __le32 Reserved; /* 0x04 */
660 /* union of Reply Descriptors */
661 union MPI2_REPLY_DESCRIPTORS_UNION {
662 struct MPI2_DEFAULT_REPLY_DESCRIPTOR Default;
663 struct MPI2_ADDRESS_REPLY_DESCRIPTOR AddressReply;
664 struct MPI2_SCSI_IO_SUCCESS_REPLY_DESCRIPTOR SCSIIOSuccess;
665 struct MPI2_TARGETASSIST_SUCCESS_REPLY_DESCRIPTOR TargetAssistSuccess;
666 struct MPI2_TARGET_COMMAND_BUFFER_REPLY_DESCRIPTOR TargetCommandBuffer;
667 struct MPI2_RAID_ACCELERATOR_SUCCESS_REPLY_DESCRIPTOR
668 RAIDAcceleratorSuccess;
672 /* IOCInit Request message */
673 struct MPI2_IOC_INIT_REQUEST {
674 u8 WhoInit; /* 0x00 */
675 u8 Reserved1; /* 0x01 */
676 u8 ChainOffset; /* 0x02 */
677 u8 Function; /* 0x03 */
678 __le16 Reserved2; /* 0x04 */
679 u8 Reserved3; /* 0x06 */
680 u8 MsgFlags; /* 0x07 */
683 __le16 Reserved4; /* 0x0A */
684 __le16 MsgVersion; /* 0x0C */
685 __le16 HeaderVersion; /* 0x0E */
686 u32 Reserved5; /* 0x10 */
687 __le16 Reserved6; /* 0x14 */
688 u8 HostPageSize; /* 0x16 */
689 u8 HostMSIxVectors; /* 0x17 */
690 __le16 Reserved8; /* 0x18 */
691 __le16 SystemRequestFrameSize; /* 0x1A */
692 __le16 ReplyDescriptorPostQueueDepth; /* 0x1C */
693 __le16 ReplyFreeQueueDepth; /* 0x1E */
694 __le32 SenseBufferAddressHigh; /* 0x20 */
695 __le32 SystemReplyAddressHigh; /* 0x24 */
696 __le64 SystemRequestFrameBaseAddress; /* 0x28 */
697 __le64 ReplyDescriptorPostQueueAddress;/* 0x30 */
698 __le64 ReplyFreeQueueAddress; /* 0x38 */
699 __le64 TimeStamp; /* 0x40 */
703 #define MR_PD_INVALID 0xFFFF
704 #define MR_DEVHANDLE_INVALID 0xFFFF
705 #define MAX_SPAN_DEPTH 8
706 #define MAX_QUAD_DEPTH MAX_SPAN_DEPTH
707 #define MAX_RAIDMAP_SPAN_DEPTH (MAX_SPAN_DEPTH)
708 #define MAX_ROW_SIZE 32
709 #define MAX_RAIDMAP_ROW_SIZE (MAX_ROW_SIZE)
710 #define MAX_LOGICAL_DRIVES 64
711 #define MAX_LOGICAL_DRIVES_EXT 256
712 #define MAX_LOGICAL_DRIVES_DYN 512
713 #define MAX_RAIDMAP_LOGICAL_DRIVES (MAX_LOGICAL_DRIVES)
714 #define MAX_RAIDMAP_VIEWS (MAX_LOGICAL_DRIVES)
715 #define MAX_ARRAYS 128
716 #define MAX_RAIDMAP_ARRAYS (MAX_ARRAYS)
717 #define MAX_ARRAYS_EXT 256
718 #define MAX_API_ARRAYS_EXT (MAX_ARRAYS_EXT)
719 #define MAX_API_ARRAYS_DYN 512
720 #define MAX_PHYSICAL_DEVICES 256
721 #define MAX_RAIDMAP_PHYSICAL_DEVICES (MAX_PHYSICAL_DEVICES)
722 #define MAX_RAIDMAP_PHYSICAL_DEVICES_DYN 512
723 #define MR_DCMD_LD_MAP_GET_INFO 0x0300e101
724 #define MR_DCMD_SYSTEM_PD_MAP_GET_INFO 0x0200e102
725 #define MR_DCMD_DRV_GET_TARGET_PROP 0x0200e103
726 #define MR_DCMD_CTRL_SHARED_HOST_MEM_ALLOC 0x010e8485 /* SR-IOV HB alloc*/
727 #define MR_DCMD_LD_VF_MAP_GET_ALL_LDS_111 0x03200200
728 #define MR_DCMD_LD_VF_MAP_GET_ALL_LDS 0x03150200
730 struct MR_DEV_HANDLE_INFO {
737 struct MR_ARRAY_INFO {
738 __le16 pd[MAX_RAIDMAP_ROW_SIZE];
741 struct MR_QUAD_ELEMENT {
749 struct MR_SPAN_INFO {
752 struct MR_QUAD_ELEMENT quad[MAX_RAIDMAP_SPAN_DEPTH];
764 struct MR_SPAN_BLOCK_INFO {
766 struct MR_LD_SPAN span;
767 struct MR_SPAN_INFO block_span_info;
770 #define MR_RAID_CTX_CPUSEL_0 0
771 #define MR_RAID_CTX_CPUSEL_1 1
772 #define MR_RAID_CTX_CPUSEL_2 2
773 #define MR_RAID_CTX_CPUSEL_3 3
774 #define MR_RAID_CTX_CPUSEL_FCFS 0xF
776 struct MR_CPU_AFFINITY_MASK {
779 #ifndef MFI_BIG_ENDIAN
799 struct MR_IO_AFFINITY {
802 struct MR_CPU_AFFINITY_MASK pdRead;
803 struct MR_CPU_AFFINITY_MASK pdWrite;
804 struct MR_CPU_AFFINITY_MASK ldRead;
805 struct MR_CPU_AFFINITY_MASK ldWrite;
809 u8 maxCores; /* Total cores + HW Path in ROC */
815 #if defined(__BIG_ENDIAN_BITFIELD)
817 u32 fp_cache_bypass_capable:1;
818 u32 fp_rmw_capable:1;
819 u32 disable_coalescing:1;
820 u32 fpBypassRegionLock:1;
822 u32 fpNonRWCapable:1;
823 u32 fpReadAcrossStripe:1;
824 u32 fpWriteAcrossStripe:1;
826 u32 fpWriteCapable:1;
827 u32 encryptionType:8;
839 u32 encryptionType:8;
840 u32 fpWriteCapable:1;
842 u32 fpWriteAcrossStripe:1;
843 u32 fpReadAcrossStripe:1;
844 u32 fpNonRWCapable:1;
846 u32 fpBypassRegionLock:1;
847 u32 disable_coalescing:1;
848 u32 fp_rmw_capable:1;
849 u32 fp_cache_bypass_capable:1;
865 u8 regTypeReqOnWrite;
871 u32 ldSyncRequired:1;
875 u8 LUN[8]; /* 0x24 8 byte LUN field used for SCSI IO's */
876 u8 fpIoTimeoutForLd;/*0x2C timeout value used by driver in FP IO*/
877 /* Ox2D This LD accept priority boost of this type */
878 u8 ld_accept_priority_type;
879 u8 reserved2[2]; /* 0x2E - 0x2F */
880 /* 0x30 - 0x33, Logical block size for the LD */
881 u32 logical_block_length;
883 #ifndef MFI_BIG_ENDIAN
884 /* 0x34, P_I_EXPONENT from READ CAPACITY 16 */
886 /* 0x34, LOGICAL BLOCKS PER PHYSICAL
887 * BLOCK EXPONENT from READ CAPACITY 16
889 u32 ld_logical_block_exp:4;
890 u32 reserved1:24; /* 0x34 */
892 u32 reserved1:24; /* 0x34 */
893 /* 0x34, LOGICAL BLOCKS PER PHYSICAL
894 * BLOCK EXPONENT from READ CAPACITY 16
896 u32 ld_logical_block_exp:4;
897 /* 0x34, P_I_EXPONENT from READ CAPACITY 16 */
901 /* 0x38 - 0x3f, This will determine which
902 * core will process LD IO and PD IO.
904 struct MR_IO_AFFINITY cpuAffinity;
905 /* Bit definiations are specified by MR_IO_AFFINITY */
906 u8 reserved3[0x80 - 0x40]; /* 0x40 - 0x7f */
909 struct MR_LD_SPAN_MAP {
910 struct MR_LD_RAID ldRaid;
911 u8 dataArmMap[MAX_RAIDMAP_ROW_SIZE];
912 struct MR_SPAN_BLOCK_INFO spanBlock[MAX_RAIDMAP_SPAN_DEPTH];
915 struct MR_FW_RAID_MAP {
930 u8 ldTgtIdToLd[MAX_RAIDMAP_LOGICAL_DRIVES+
934 struct MR_ARRAY_INFO arMapInfo[MAX_RAIDMAP_ARRAYS];
935 struct MR_DEV_HANDLE_INFO devHndlInfo[MAX_RAIDMAP_PHYSICAL_DEVICES];
936 struct MR_LD_SPAN_MAP ldSpanMap[1];
939 struct IO_REQUEST_INFO {
952 u8 span_arm; /* span[7:5], arm[4:0] */
954 u16 r1_alt_dev_handle; /* raid 1/10 only */
958 struct MR_LD_TARGET_SYNC {
965 * RAID Map descriptor Types.
966 * Each element should uniquely idetify one data structure in the RAID map
968 enum MR_RAID_MAP_DESC_TYPE {
969 /* MR_DEV_HANDLE_INFO data */
970 RAID_MAP_DESC_TYPE_DEVHDL_INFO = 0x0,
971 /* target to Ld num Index map */
972 RAID_MAP_DESC_TYPE_TGTID_INFO = 0x1,
973 /* MR_ARRAY_INFO data */
974 RAID_MAP_DESC_TYPE_ARRAY_INFO = 0x2,
975 /* MR_LD_SPAN_MAP data */
976 RAID_MAP_DESC_TYPE_SPAN_INFO = 0x3,
977 RAID_MAP_DESC_TYPE_COUNT,
981 * This table defines the offset, size and num elements of each descriptor
982 * type in the RAID Map buffer
984 struct MR_RAID_MAP_DESC_TABLE {
985 /* Raid map descriptor type */
986 u32 raid_map_desc_type;
987 /* Offset into the RAID map buffer where
988 * descriptor data is saved
990 u32 raid_map_desc_offset;
994 u32 raid_map_desc_buffer_size;
995 /* Number of elements contained in the
998 u32 raid_map_desc_elements;
1002 * Dynamic Raid Map Structure.
1004 struct MR_FW_RAID_MAP_DYNAMIC {
1005 u32 raid_map_size; /* total size of RAID Map structure */
1006 u32 desc_table_offset;/* Offset of desc table into RAID map*/
1007 u32 desc_table_size; /* Total Size of desc table */
1008 /* Total Number of elements in the desc table */
1009 u32 desc_table_num_elements;
1011 u32 reserved2[3]; /*future use */
1012 /* timeout value used by driver in FP IOs */
1013 u8 fp_pd_io_timeout_sec;
1015 /* when this seqNum increments, driver needs to
1016 * release RMW buffers asap
1019 u16 ld_count; /* count of lds. */
1020 u16 ar_count; /* count of arrays */
1021 u16 span_count; /* count of spans */
1024 * The below structure of pointers is only to be used by the driver.
1025 * This is added in the ,API to reduce the amount of code changes
1026 * needed in the driver to support dynamic RAID map Firmware should
1027 * not update these pointers while preparing the raid map
1031 struct MR_DEV_HANDLE_INFO *dev_hndl_info;
1032 u16 *ld_tgt_id_to_ld;
1033 struct MR_ARRAY_INFO *ar_map_info;
1034 struct MR_LD_SPAN_MAP *ld_span_map;
1036 u64 ptr_structure_size[RAID_MAP_DESC_TYPE_COUNT];
1039 * RAID Map descriptor table defines the layout of data in the RAID Map.
1040 * The size of the descriptor table itself could change.
1042 /* Variable Size descriptor Table. */
1043 struct MR_RAID_MAP_DESC_TABLE
1044 raid_map_desc_table[RAID_MAP_DESC_TYPE_COUNT];
1045 /* Variable Size buffer containing all data */
1046 u32 raid_map_desc_data[1];
1047 }; /* Dynamicaly sized RAID MAp structure */
1049 #define IEEE_SGE_FLAGS_ADDR_MASK (0x03)
1050 #define IEEE_SGE_FLAGS_SYSTEM_ADDR (0x00)
1051 #define IEEE_SGE_FLAGS_IOCDDR_ADDR (0x01)
1052 #define IEEE_SGE_FLAGS_IOCPLB_ADDR (0x02)
1053 #define IEEE_SGE_FLAGS_IOCPLBNTA_ADDR (0x03)
1054 #define IEEE_SGE_FLAGS_CHAIN_ELEMENT (0x80)
1055 #define IEEE_SGE_FLAGS_END_OF_LIST (0x40)
1057 #define MPI2_SGE_FLAGS_SHIFT (0x02)
1058 #define IEEE_SGE_FLAGS_FORMAT_MASK (0xC0)
1059 #define IEEE_SGE_FLAGS_FORMAT_IEEE (0x00)
1060 #define IEEE_SGE_FLAGS_FORMAT_NVME (0x02)
1062 #define MPI26_IEEE_SGE_FLAGS_NSF_MASK (0x1C)
1063 #define MPI26_IEEE_SGE_FLAGS_NSF_MPI_IEEE (0x00)
1064 #define MPI26_IEEE_SGE_FLAGS_NSF_NVME_PRP (0x08)
1065 #define MPI26_IEEE_SGE_FLAGS_NSF_NVME_SGL (0x10)
1067 struct megasas_register_set;
1068 struct megasas_instance;
1078 struct megasas_cmd_fusion {
1079 struct MPI2_RAID_SCSI_IO_REQUEST *io_request;
1080 dma_addr_t io_request_phys_addr;
1082 union MPI2_SGE_IO_UNION *sg_frame;
1083 dma_addr_t sg_frame_phys_addr;
1086 dma_addr_t sense_phys_addr;
1088 struct list_head list;
1089 struct scsi_cmnd *scmd;
1090 struct megasas_instance *instance;
1092 u8 retry_for_fw_reset;
1093 union MEGASAS_REQUEST_DESCRIPTOR_UNION *request_desc;
1096 * Context for a MFI frame.
1097 * Used to get the mfi cmd from list when a MFI cmd is completed
1102 struct completion done;
1104 u16 r1_alt_dev_handle; /* raid 1/10 only*/
1105 bool cmd_completed; /* raid 1/10 fp writes status holder */
1109 struct LD_LOAD_BALANCE_INFO {
1112 atomic_t scsi_pending_cmds[MAX_PHYSICAL_DEVICES];
1113 u64 last_accessed_block[MAX_PHYSICAL_DEVICES];
1116 /* SPAN_SET is info caclulated from span info from Raid map per LD */
1117 typedef struct _LD_SPAN_SET {
1122 u64 data_strip_start;
1126 u8 strip_offset[MAX_SPAN_DEPTH];
1127 u32 span_row_data_width;
1130 } LD_SPAN_SET, *PLD_SPAN_SET;
1132 typedef struct LOG_BLOCK_SPAN_INFO {
1133 LD_SPAN_SET span_set[MAX_SPAN_DEPTH];
1134 } LD_SPAN_INFO, *PLD_SPAN_INFO;
1136 struct MR_FW_RAID_MAP_ALL {
1137 struct MR_FW_RAID_MAP raidMap;
1138 struct MR_LD_SPAN_MAP ldSpanMap[MAX_LOGICAL_DRIVES - 1];
1139 } __attribute__ ((packed));
1141 struct MR_DRV_RAID_MAP {
1142 /* total size of this structure, including this field.
1143 * This feild will be manupulated by driver for ext raid map,
1144 * else pick the value from firmware raid map.
1151 __le32 maxSpanDepth;
1159 /* timeout value used by driver in FP IOs*/
1160 u8 fpPdIoTimeoutSec;
1168 struct MR_DEV_HANDLE_INFO
1169 devHndlInfo[MAX_RAIDMAP_PHYSICAL_DEVICES_DYN];
1170 u16 ldTgtIdToLd[MAX_LOGICAL_DRIVES_DYN];
1171 struct MR_ARRAY_INFO arMapInfo[MAX_API_ARRAYS_DYN];
1172 struct MR_LD_SPAN_MAP ldSpanMap[1];
1176 /* Driver raid map size is same as raid map ext
1177 * MR_DRV_RAID_MAP_ALL is created to sync with old raid.
1178 * And it is mainly for code re-use purpose.
1180 struct MR_DRV_RAID_MAP_ALL {
1182 struct MR_DRV_RAID_MAP raidMap;
1183 struct MR_LD_SPAN_MAP ldSpanMap[MAX_LOGICAL_DRIVES_DYN - 1];
1188 struct MR_FW_RAID_MAP_EXT {
1189 /* Not usred in new map */
1203 u8 fpPdIoTimeoutSec;
1211 struct MR_DEV_HANDLE_INFO devHndlInfo[MAX_RAIDMAP_PHYSICAL_DEVICES];
1212 u8 ldTgtIdToLd[MAX_LOGICAL_DRIVES_EXT];
1213 struct MR_ARRAY_INFO arMapInfo[MAX_API_ARRAYS_EXT];
1214 struct MR_LD_SPAN_MAP ldSpanMap[MAX_LOGICAL_DRIVES_EXT];
1218 * * define MR_PD_CFG_SEQ structure for system PDs
1220 struct MR_PD_CFG_SEQ {
1224 #if defined(__BIG_ENDIAN_BITFIELD)
1236 struct MR_PD_CFG_SEQ_NUM_SYNC {
1239 struct MR_PD_CFG_SEQ seq[1];
1242 /* stream detection */
1243 struct STREAM_DETECT {
1244 u64 next_seq_lba; /* next LBA to match sequential access */
1245 struct megasas_cmd_fusion *first_cmd_fusion; /* first cmd in group */
1246 struct megasas_cmd_fusion *last_cmd_fusion; /* last cmd in group */
1247 u32 count_cmds_in_stream; /* count of host commands in this stream */
1248 u16 num_sges_in_group; /* total number of SGEs in grouped IOs */
1249 u8 is_read; /* SCSI OpCode for this stream */
1250 u8 group_depth; /* total number of host commands in group */
1251 /* TRUE if cannot add any more commands to this group */
1253 u8 reserved[7]; /* pad to 64-bit alignment */
1256 struct LD_STREAM_DETECT {
1257 bool write_back; /* TRUE if WB, FALSE if WT */
1258 bool fp_write_enabled;
1260 bool fp_cache_bypass_capable;
1261 u32 mru_bit_map; /* bitmap used to track MRU and LRU stream indicies */
1262 /* this is the array of stream detect structures (one per stream) */
1263 struct STREAM_DETECT stream_track[MAX_STREAMS_TRACKED];
1266 struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY {
1267 u64 RDPQBaseAddress;
1272 struct rdpq_alloc_detail {
1273 struct dma_pool *dma_pool_ptr;
1274 dma_addr_t pool_entry_phys;
1275 union MPI2_REPLY_DESCRIPTORS_UNION *pool_entry_virt;
1278 struct fusion_context {
1279 struct megasas_cmd_fusion **cmd_list;
1280 dma_addr_t req_frames_desc_phys;
1281 u8 *req_frames_desc;
1283 struct dma_pool *io_request_frames_pool;
1284 dma_addr_t io_request_frames_phys;
1285 u8 *io_request_frames;
1287 struct dma_pool *sg_dma_pool;
1288 struct dma_pool *sense_dma_pool;
1291 dma_addr_t sense_phys_addr;
1293 dma_addr_t reply_frames_desc_phys[MAX_MSIX_QUEUES_FUSION];
1294 union MPI2_REPLY_DESCRIPTORS_UNION *reply_frames_desc[MAX_MSIX_QUEUES_FUSION];
1295 struct rdpq_alloc_detail rdpq_tracker[RDPQ_MAX_CHUNK_COUNT];
1296 struct dma_pool *reply_frames_desc_pool;
1297 struct dma_pool *reply_frames_desc_pool_align;
1299 u16 last_reply_idx[MAX_MSIX_QUEUES_FUSION];
1302 u32 request_alloc_sz;
1304 u32 io_frames_alloc_sz;
1306 struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY *rdpq_virt;
1307 dma_addr_t rdpq_phys;
1308 u16 max_sge_in_main_msg;
1309 u16 max_sge_in_chain;
1311 u8 chain_offset_io_request;
1312 u8 chain_offset_mfi_pthru;
1314 struct MR_FW_RAID_MAP_DYNAMIC *ld_map[2];
1315 dma_addr_t ld_map_phys[2];
1317 /*Non dma-able memory. Driver local copy.*/
1318 struct MR_DRV_RAID_MAP_ALL *ld_drv_map[2];
1326 struct MR_PD_CFG_SEQ_NUM_SYNC *pd_seq_sync[JBOD_MAPS_COUNT];
1327 dma_addr_t pd_seq_phys[JBOD_MAPS_COUNT];
1329 struct LD_LOAD_BALANCE_INFO *load_balance_info;
1330 u32 load_balance_info_pages;
1331 LD_SPAN_INFO *log_to_span;
1332 u32 log_to_span_pages;
1333 struct LD_STREAM_DETECT **stream_detect_by_ld;
1334 dma_addr_t ioc_init_request_phys;
1335 struct MPI2_IOC_INIT_REQUEST *ioc_init_request;
1336 struct megasas_cmd *ioc_init_cmd;
1348 enum CMD_RET_VALUES {
1354 void megasas_free_cmds_fusion(struct megasas_instance *instance);
1355 int megasas_ioc_init_fusion(struct megasas_instance *instance);
1356 u8 megasas_get_map_info(struct megasas_instance *instance);
1357 int megasas_sync_map_info(struct megasas_instance *instance);
1358 void megasas_release_fusion(struct megasas_instance *instance);
1359 void megasas_reset_reply_desc(struct megasas_instance *instance);
1360 int megasas_check_mpio_paths(struct megasas_instance *instance,
1361 struct scsi_cmnd *scmd);
1362 void megasas_fusion_ocr_wq(struct work_struct *work);
1364 #endif /* _MEGARAID_SAS_FUSION_H_ */