diff options
Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas_fusion.h')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fusion.h | 117 |
1 files changed, 114 insertions, 3 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.h b/drivers/scsi/megaraid/megaraid_sas_fusion.h index 9d22adea5861..3909a26a5d31 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.h +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.h @@ -133,12 +133,95 @@ struct RAID_CONTEXT { u8 resvd2; }; +/* + * Raid Context structure which describes ventura MegaRAID specific + * IO Paramenters ,This resides at offset 0x60 where the SGL normally + * starts in MPT IO Frames + */ +struct RAID_CONTEXT_G35 { +#if defined(__BIG_ENDIAN_BITFIELD) + u16 resvd0:8; + u16 nseg:4; + u16 type:4; +#else + u16 type:4; /* 0x00 */ + u16 nseg:4; /* 0x00 */ + u16 resvd0:8; +#endif + u16 timeout_value; /* 0x02 -0x03 */ + union { + struct { +#if defined(__BIG_ENDIAN_BITFIELD) + u16 set_divert:4; + u16 cpu_sel:4; + u16 log:1; + u16 rw:1; + u16 sbs:1; + u16 sqn:1; + u16 fwn:1; + u16 c2f:1; + u16 sld:1; + u16 reserved:1; +#else + u16 reserved:1; + u16 sld:1; + u16 c2f:1; + u16 fwn:1; + u16 sqn:1; + u16 sbs:1; + u16 rw:1; + u16 log:1; + u16 cpu_sel:4; + u16 set_divert:4; +#endif + } bits; + u16 s; + } routing_flags; /* 0x04 -0x05 routing flags */ + u16 virtual_disk_tgt_id; /* 0x06 -0x07 */ + u64 reg_lock_row_lba; /* 0x08 - 0x0F */ + u32 reg_lock_length; /* 0x10 - 0x13 */ + union { + u16 next_lmid; /* 0x14 - 0x15 */ + u16 peer_smid; /* used for the raid 1/10 fp writes */ + } smid; + u8 ex_status; /* 0x16 : OUT */ + u8 status; /* 0x17 status */ + u8 RAIDFlags; /* 0x18 resvd[7:6], ioSubType[5:4], + * resvd[3:1], preferredCpu[0] + */ + u8 span_arm; /* 0x1C span[7:5], arm[4:0] */ + u16 config_seq_num; /* 0x1A -0x1B */ +#if defined(__BIG_ENDIAN_BITFIELD) /* 0x1C - 0x1D */ + u16 stream_detected:1; + u16 reserved:3; + u16 num_sge:12; +#else + u16 num_sge:12; + u16 reserved:3; + u16 stream_detected:1; +#endif + u8 resvd2[2]; /* 0x1E-0x1F */ +}; + +union RAID_CONTEXT_UNION { + struct RAID_CONTEXT raid_context; + struct RAID_CONTEXT_G35 raid_context_g35; +}; + #define RAID_CTX_SPANARM_ARM_SHIFT (0) #define RAID_CTX_SPANARM_ARM_MASK (0x1f) #define RAID_CTX_SPANARM_SPAN_SHIFT (5) #define RAID_CTX_SPANARM_SPAN_MASK (0xE0) +/* number of bits per index in U32 TrackStream */ +#define BITS_PER_INDEX_STREAM 4 +#define INVALID_STREAM_NUM 16 +#define MR_STREAM_BITMAP 0x76543210 +#define STREAM_MASK ((1 << BITS_PER_INDEX_STREAM) - 1) +#define ZERO_LAST_STREAM 0x0fffffff +#define MAX_STREAMS_TRACKED 8 + /* * define region lock types */ @@ -409,7 +492,7 @@ struct MPI2_RAID_SCSI_IO_REQUEST { u8 LUN[8]; /* 0x34 */ __le32 Control; /* 0x3C */ union MPI2_SCSI_IO_CDB_UNION CDB; /* 0x40 */ - struct RAID_CONTEXT RaidContext; /* 0x60 */ + union RAID_CONTEXT_UNION RaidContext; /* 0x60 */ union MPI2_SGE_IO_UNION SGL; /* 0x80 */ }; @@ -656,11 +739,13 @@ struct MR_LD_RAID { u32 encryptionType:8; u32 pdPiMode:4; u32 ldPiMode:4; - u32 reserved5:3; + u32 reserved5:2; + u32 ra_capable:1; u32 fpCapable:1; #else u32 fpCapable:1; - u32 reserved5:3; + u32 ra_capable:1; + u32 reserved5:2; u32 ldPiMode:4; u32 pdPiMode:4; u32 encryptionType:8; @@ -745,6 +830,7 @@ struct IO_REQUEST_INFO { u64 start_row; u8 span_arm; /* span[7:5], arm[4:0] */ u8 pd_after_lb; + bool ra_capable; }; struct MR_LD_TARGET_SYNC { @@ -930,6 +1016,30 @@ struct MR_PD_CFG_SEQ_NUM_SYNC { struct MR_PD_CFG_SEQ seq[1]; } __packed; +/* stream detection */ +struct STREAM_DETECT { + u64 next_seq_lba; /* next LBA to match sequential access */ + struct megasas_cmd_fusion *first_cmd_fusion; /* first cmd in group */ + struct megasas_cmd_fusion *last_cmd_fusion; /* last cmd in group */ + u32 count_cmds_in_stream; /* count of host commands in this stream */ + u16 num_sges_in_group; /* total number of SGEs in grouped IOs */ + u8 is_read; /* SCSI OpCode for this stream */ + u8 group_depth; /* total number of host commands in group */ + /* TRUE if cannot add any more commands to this group */ + bool group_flush; + u8 reserved[7]; /* pad to 64-bit alignment */ +}; + +struct LD_STREAM_DETECT { + bool write_back; /* TRUE if WB, FALSE if WT */ + bool fp_write_enabled; + bool members_ssds; + bool fp_cache_bypass_capable; + u32 mru_bit_map; /* bitmap used to track MRU and LRU stream indicies */ + /* this is the array of stream detect structures (one per stream) */ + struct STREAM_DETECT stream_track[MAX_STREAMS_TRACKED]; +}; + struct MPI2_IOC_INIT_RDPQ_ARRAY_ENTRY { u64 RDPQBaseAddress; u32 Reserved1; @@ -983,6 +1093,7 @@ struct fusion_context { struct LD_LOAD_BALANCE_INFO load_balance_info[MAX_LOGICAL_DRIVES_EXT]; LD_SPAN_INFO log_to_span[MAX_LOGICAL_DRIVES_EXT]; u8 adapter_type; + struct LD_STREAM_DETECT **stream_detect_by_ld; }; union desc_value { |