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Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas_fusion.h')
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_fusion.h105
1 files changed, 97 insertions, 8 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.h b/drivers/scsi/megaraid/megaraid_sas_fusion.h
index e76af5459a09..0d183d521bdd 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.h
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.h
@@ -86,6 +86,7 @@ enum MR_RAID_FLAGS_IO_SUB_TYPE {
#define MEGASAS_FP_CMD_LEN 16
#define MEGASAS_FUSION_IN_RESET 0
+#define THRESHOLD_REPLY_COUNT 50
/*
* Raid Context structure which describes MegaRAID specific IO Parameters
@@ -478,10 +479,13 @@ struct MPI2_IOC_INIT_REQUEST {
#define MAX_ROW_SIZE 32
#define MAX_RAIDMAP_ROW_SIZE (MAX_ROW_SIZE)
#define MAX_LOGICAL_DRIVES 64
+#define MAX_LOGICAL_DRIVES_EXT 256
#define MAX_RAIDMAP_LOGICAL_DRIVES (MAX_LOGICAL_DRIVES)
#define MAX_RAIDMAP_VIEWS (MAX_LOGICAL_DRIVES)
#define MAX_ARRAYS 128
#define MAX_RAIDMAP_ARRAYS (MAX_ARRAYS)
+#define MAX_ARRAYS_EXT 256
+#define MAX_API_ARRAYS_EXT (MAX_ARRAYS_EXT)
#define MAX_PHYSICAL_DEVICES 256
#define MAX_RAIDMAP_PHYSICAL_DEVICES (MAX_PHYSICAL_DEVICES)
#define MR_DCMD_LD_MAP_GET_INFO 0x0300e101
@@ -601,7 +605,6 @@ struct MR_FW_RAID_MAP {
u32 maxArrays;
} validationInfo;
u32 version[5];
- u32 reserved1[5];
};
u32 ldCount;
@@ -627,6 +630,8 @@ struct IO_REQUEST_INFO {
u8 start_span;
u8 reserved;
u64 start_row;
+ u8 span_arm; /* span[7:5], arm[4:0] */
+ u8 pd_after_lb;
};
struct MR_LD_TARGET_SYNC {
@@ -678,14 +683,14 @@ struct megasas_cmd_fusion {
u32 sync_cmd_idx;
u32 index;
u8 flags;
+ u8 pd_r1_lb;
};
struct LD_LOAD_BALANCE_INFO {
u8 loadBalanceFlag;
u8 reserved1;
- u16 raid1DevHandle[2];
- atomic_t scsi_pending_cmds[2];
- u64 last_accessed_block[2];
+ atomic_t scsi_pending_cmds[MAX_PHYSICAL_DEVICES];
+ u64 last_accessed_block[MAX_PHYSICAL_DEVICES];
};
/* SPAN_SET is info caclulated from span info from Raid map per LD */
@@ -713,11 +718,86 @@ struct MR_FW_RAID_MAP_ALL {
struct MR_LD_SPAN_MAP ldSpanMap[MAX_LOGICAL_DRIVES - 1];
} __attribute__ ((packed));
+struct MR_DRV_RAID_MAP {
+ /* total size of this structure, including this field.
+ * This feild will be manupulated by driver for ext raid map,
+ * else pick the value from firmware raid map.
+ */
+ u32 totalSize;
+
+ union {
+ struct {
+ u32 maxLd;
+ u32 maxSpanDepth;
+ u32 maxRowSize;
+ u32 maxPdCount;
+ u32 maxArrays;
+ } validationInfo;
+ u32 version[5];
+ };
+
+ /* timeout value used by driver in FP IOs*/
+ u8 fpPdIoTimeoutSec;
+ u8 reserved2[7];
+
+ u16 ldCount;
+ u16 arCount;
+ u16 spanCount;
+ u16 reserve3;
+
+ struct MR_DEV_HANDLE_INFO devHndlInfo[MAX_RAIDMAP_PHYSICAL_DEVICES];
+ u8 ldTgtIdToLd[MAX_LOGICAL_DRIVES_EXT];
+ struct MR_ARRAY_INFO arMapInfo[MAX_API_ARRAYS_EXT];
+ struct MR_LD_SPAN_MAP ldSpanMap[1];
+
+};
+
+/* Driver raid map size is same as raid map ext
+ * MR_DRV_RAID_MAP_ALL is created to sync with old raid.
+ * And it is mainly for code re-use purpose.
+ */
+struct MR_DRV_RAID_MAP_ALL {
+
+ struct MR_DRV_RAID_MAP raidMap;
+ struct MR_LD_SPAN_MAP ldSpanMap[MAX_LOGICAL_DRIVES_EXT - 1];
+} __packed;
+
+
+
+struct MR_FW_RAID_MAP_EXT {
+ /* Not usred in new map */
+ u32 reserved;
+
+ union {
+ struct {
+ u32 maxLd;
+ u32 maxSpanDepth;
+ u32 maxRowSize;
+ u32 maxPdCount;
+ u32 maxArrays;
+ } validationInfo;
+ u32 version[5];
+ };
+
+ u8 fpPdIoTimeoutSec;
+ u8 reserved2[7];
+
+ u16 ldCount;
+ u16 arCount;
+ u16 spanCount;
+ u16 reserve3;
+
+ struct MR_DEV_HANDLE_INFO devHndlInfo[MAX_RAIDMAP_PHYSICAL_DEVICES];
+ u8 ldTgtIdToLd[MAX_LOGICAL_DRIVES_EXT];
+ struct MR_ARRAY_INFO arMapInfo[MAX_API_ARRAYS_EXT];
+ struct MR_LD_SPAN_MAP ldSpanMap[MAX_LOGICAL_DRIVES_EXT];
+};
+
struct fusion_context {
struct megasas_cmd_fusion **cmd_list;
struct list_head cmd_pool;
- spinlock_t cmd_pool_lock;
+ spinlock_t mpt_pool_lock;
dma_addr_t req_frames_desc_phys;
u8 *req_frames_desc;
@@ -749,10 +829,18 @@ struct fusion_context {
struct MR_FW_RAID_MAP_ALL *ld_map[2];
dma_addr_t ld_map_phys[2];
- u32 map_sz;
+ /*Non dma-able memory. Driver local copy.*/
+ struct MR_DRV_RAID_MAP_ALL *ld_drv_map[2];
+
+ u32 max_map_sz;
+ u32 current_map_sz;
+ u32 old_map_sz;
+ u32 new_map_sz;
+ u32 drv_map_sz;
+ u32 drv_map_pages;
u8 fast_path_io;
- struct LD_LOAD_BALANCE_INFO load_balance_info[MAX_LOGICAL_DRIVES];
- LD_SPAN_INFO log_to_span[MAX_LOGICAL_DRIVES];
+ struct LD_LOAD_BALANCE_INFO load_balance_info[MAX_LOGICAL_DRIVES_EXT];
+ LD_SPAN_INFO log_to_span[MAX_LOGICAL_DRIVES_EXT];
};
union desc_value {
@@ -763,4 +851,5 @@ union desc_value {
} u;
};
+
#endif /* _MEGARAID_SAS_FUSION_H_ */