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| author | Don Brace <don.brace@microchip.com> | 2021-03-11 21:15:27 +0100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-04-06 05:02:29 +0200 |
| commit | 6702d2c40f31b200d90614d1b0a841f14ba22ee0 (patch) | |
| tree | 3a754e9bd5623a16448e210eb6addcedd791b3d0 /drivers/scsi/smartpqi/smartpqi.h | |
| parent | scsi: smartpqi: Refactor scatterlist code (diff) | |
| download | linux-6702d2c40f31b200d90614d1b0a841f14ba22ee0.tar.xz linux-6702d2c40f31b200d90614d1b0a841f14ba22ee0.zip | |
scsi: smartpqi: Add support for RAID5 and RAID6 writes
Add in new IU definition and implement support for RAID5 and RAID6 writes.
Link: https://lore.kernel.org/r/161549372734.25025.963261942897080281.stgit@brunhilda
Reviewed-by: Scott Benesh <scott.benesh@microchip.com>
Reviewed-by: Mike McGowen <mike.mcgowen@microchip.com>
Reviewed-by: Scott Teel <scott.teel@microchip.com>
Reviewed-by: Kevin Barnett <kevin.barnett@microchip.com>
Signed-off-by: Don Brace <don.brace@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/smartpqi/smartpqi.h')
| -rw-r--r-- | drivers/scsi/smartpqi/smartpqi.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h index 01e18da139e3..a2fd246c8ae8 100644 --- a/drivers/scsi/smartpqi/smartpqi.h +++ b/drivers/scsi/smartpqi/smartpqi.h @@ -257,6 +257,7 @@ struct pqi_device_capability { }; #define PQI_MAX_EMBEDDED_SG_DESCRIPTORS 4 +#define PQI_MAX_EMBEDDED_R56_SG_DESCRIPTORS 3 struct pqi_raid_path_request { struct pqi_iu_header header; @@ -312,6 +313,37 @@ struct pqi_aio_path_request { sg_descriptors[PQI_MAX_EMBEDDED_SG_DESCRIPTORS]; }; +struct pqi_aio_r56_path_request { + struct pqi_iu_header header; + __le16 request_id; + __le16 volume_id; /* ID of the RAID volume */ + __le32 data_it_nexus; /* IT nexus for the data drive */ + __le32 p_parity_it_nexus; /* IT nexus for the P parity drive */ + __le32 q_parity_it_nexus; /* IT nexus for the Q parity drive */ + __le32 data_length; /* total bytes to read/write */ + u8 data_direction : 2; + u8 partial : 1; + u8 mem_type : 1; /* 0 = PCIe, 1 = DDR */ + u8 fence : 1; + u8 encryption_enable : 1; + u8 reserved : 2; + u8 task_attribute : 3; + u8 command_priority : 4; + u8 reserved1 : 1; + __le16 data_encryption_key_index; + u8 cdb[16]; + __le16 error_index; + u8 num_sg_descriptors; + u8 cdb_length; + u8 xor_multiplier; + u8 reserved2[3]; + __le32 encrypt_tweak_lower; + __le32 encrypt_tweak_upper; + __le64 row; /* row = logical LBA/blocks per row */ + u8 reserved3[8]; + struct pqi_sg_descriptor sg_descriptors[PQI_MAX_EMBEDDED_R56_SG_DESCRIPTORS]; +}; + struct pqi_io_response { struct pqi_iu_header header; __le16 request_id; @@ -484,6 +516,8 @@ struct pqi_raid_error_info { #define PQI_REQUEST_IU_TASK_MANAGEMENT 0x13 #define PQI_REQUEST_IU_RAID_PATH_IO 0x14 #define PQI_REQUEST_IU_AIO_PATH_IO 0x15 +#define PQI_REQUEST_IU_AIO_PATH_RAID5_IO 0x18 +#define PQI_REQUEST_IU_AIO_PATH_RAID6_IO 0x19 #define PQI_REQUEST_IU_GENERAL_ADMIN 0x60 #define PQI_REQUEST_IU_REPORT_VENDOR_EVENT_CONFIG 0x72 #define PQI_REQUEST_IU_SET_VENDOR_EVENT_CONFIG 0x73 @@ -1179,6 +1213,7 @@ struct pqi_ctrl_info { u16 max_inbound_iu_length_per_firmware; u16 max_inbound_iu_length; unsigned int max_sg_per_iu; + unsigned int max_sg_per_r56_iu; void *admin_queue_memory_base; u32 admin_queue_memory_length; dma_addr_t admin_queue_memory_base_dma_handle; @@ -1210,6 +1245,8 @@ struct pqi_ctrl_info { u8 soft_reset_handshake_supported : 1; u8 raid_iu_timeout_supported: 1; u8 tmf_iu_timeout_supported: 1; + u8 enable_r5_writes : 1; + u8 enable_r6_writes : 1; struct list_head scsi_device_list; spinlock_t scsi_device_list_lock; |