diff options
author | Don Brace <don.brace@microchip.com> | 2021-03-11 14:15:33 -0600 |
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committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-04-05 23:02:29 -0400 |
commit | 7a012c23c7a7d9cdc7b6db0e8837f8a413dbe436 (patch) | |
tree | 3aa796b96325b685c169b1323de28bc86a2157a1 /drivers/scsi/smartpqi/smartpqi.h | |
parent | 6702d2c40f31b200d90614d1b0a841f14ba22ee0 (diff) | |
download | linux-7a012c23c7a7d9cdc7b6db0e8837f8a413dbe436.tar.bz2 |
scsi: smartpqi: Add support for RAID1 writes
Add RAID1 write IU and implement RAID1 write support. Change brand names
ADM/ADG to TRIPLE/RAID-6.
Link: https://lore.kernel.org/r/161549373324.25025.2441592111049564780.stgit@brunhilda
Reviewed-by: Scott Benesh <scott.benesh@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, 33 insertions, 4 deletions
diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h index a2fd246c8ae8..bed80c4c4598 100644 --- a/drivers/scsi/smartpqi/smartpqi.h +++ b/drivers/scsi/smartpqi/smartpqi.h @@ -313,6 +313,36 @@ struct pqi_aio_path_request { sg_descriptors[PQI_MAX_EMBEDDED_SG_DESCRIPTORS]; }; +#define PQI_RAID1_NVME_XFER_LIMIT (32 * 1024) /* 32 KiB */ +struct pqi_aio_r1_path_request { + struct pqi_iu_header header; + __le16 request_id; + __le16 volume_id; /* ID of the RAID volume */ + __le32 it_nexus_1; /* IT nexus of the 1st drive in the RAID volume */ + __le32 it_nexus_2; /* IT nexus of the 2nd drive in the RAID volume */ + __le32 it_nexus_3; /* IT nexus of the 3rd drive in the RAID volume */ + __le32 data_length; /* total bytes to read/write */ + u8 data_direction : 2; + u8 partial : 1; + u8 memory_type : 1; + u8 fence : 1; + u8 encryption_enable : 1; + u8 reserved : 2; + u8 task_attribute : 3; + u8 command_priority : 4; + u8 reserved2 : 1; + __le16 data_encryption_key_index; + u8 cdb[16]; + __le16 error_index; + u8 num_sg_descriptors; + u8 cdb_length; + u8 num_drives; /* number of drives in the RAID volume (2 or 3) */ + u8 reserved3[3]; + __le32 encrypt_tweak_lower; + __le32 encrypt_tweak_upper; + struct pqi_sg_descriptor sg_descriptors[PQI_MAX_EMBEDDED_SG_DESCRIPTORS]; +}; + struct pqi_aio_r56_path_request { struct pqi_iu_header header; __le16 request_id; @@ -518,6 +548,7 @@ struct pqi_raid_error_info { #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_AIO_PATH_RAID1_IO 0x1A #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 @@ -970,14 +1001,12 @@ struct pqi_scsi_dev_raid_map_data { u16 strip_size; u32 first_group; u32 last_group; - u32 current_group; u32 map_row; u32 aio_handle; u64 disk_block; u32 disk_block_cnt; u8 cdb[16]; u8 cdb_length; - int offload_to_mirror; /* RAID1 specific */ #define NUM_RAID1_MAP_ENTRIES 3 @@ -1038,8 +1067,7 @@ struct pqi_scsi_dev { u16 phys_connector[8]; bool raid_bypass_configured; /* RAID bypass configured */ bool raid_bypass_enabled; /* RAID bypass enabled */ - int offload_to_mirror; /* Send next RAID bypass request */ - /* to mirror drive. */ + u32 next_bypass_group; struct raid_map *raid_map; /* RAID bypass map */ struct pqi_sas_port *sas_port; @@ -1245,6 +1273,7 @@ struct pqi_ctrl_info { u8 soft_reset_handshake_supported : 1; u8 raid_iu_timeout_supported: 1; u8 tmf_iu_timeout_supported: 1; + u8 enable_r1_writes : 1; u8 enable_r5_writes : 1; u8 enable_r6_writes : 1; |