diff options
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_def.h')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_def.h | 84 |
1 files changed, 82 insertions, 2 deletions
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 0d2cecbb8f4..4559f5c6c1a 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -189,6 +189,16 @@ struct req_que; /* + * (sd.h is not exported, hence local inclusion) + * Data Integrity Field tuple. + */ +struct sd_dif_tuple { + __be16 guard_tag; /* Checksum */ + __be16 app_tag; /* Opaque storage */ + __be32 ref_tag; /* Target LBA or indirect LBA */ +}; + +/* * SCSI Request Block */ typedef struct srb { @@ -208,8 +218,14 @@ typedef struct srb { /* * SRB flag definitions */ -#define SRB_DMA_VALID BIT_0 /* Command sent to ISP */ -#define SRB_FCP_CMND_DMA_VALID BIT_12 /* FCP command in IOCB */ +#define SRB_DMA_VALID BIT_0 /* Command sent to ISP */ +#define SRB_FCP_CMND_DMA_VALID BIT_12 /* DIF: DSD List valid */ +#define SRB_CRC_CTX_DMA_VALID BIT_2 /* DIF: context DMA valid */ +#define SRB_CRC_PROT_DMA_VALID BIT_4 /* DIF: prot DMA valid */ +#define SRB_CRC_CTX_DSD_VALID BIT_5 /* DIF: dsd_list valid */ + +/* To identify if a srb is of T10-CRC type. @sp => srb_t pointer */ +#define IS_PROT_IO(sp) (sp->flags & SRB_CRC_CTX_DSD_VALID) /* * SRB extensions. @@ -1330,6 +1346,66 @@ typedef struct { uint32_t dseg_4_length; /* Data segment 4 length. */ } cont_a64_entry_t; +#define PO_MODE_DIF_INSERT 0 +#define PO_MODE_DIF_REMOVE BIT_0 +#define PO_MODE_DIF_PASS BIT_1 +#define PO_MODE_DIF_REPLACE (BIT_0 + BIT_1) +#define PO_ENABLE_DIF_BUNDLING BIT_8 +#define PO_ENABLE_INCR_GUARD_SEED BIT_3 +#define PO_DISABLE_INCR_REF_TAG BIT_5 +#define PO_DISABLE_GUARD_CHECK BIT_4 +/* + * ISP queue - 64-Bit addressing, continuation crc entry structure definition. + */ +struct crc_context { + uint32_t handle; /* System handle. */ + uint32_t ref_tag; + uint16_t app_tag; + uint8_t ref_tag_mask[4]; /* Validation/Replacement Mask*/ + uint8_t app_tag_mask[2]; /* Validation/Replacement Mask*/ + uint16_t guard_seed; /* Initial Guard Seed */ + uint16_t prot_opts; /* Requested Data Protection Mode */ + uint16_t blk_size; /* Data size in bytes */ + uint16_t runt_blk_guard; /* Guard value for runt block (tape + * only) */ + uint32_t byte_count; /* Total byte count/ total data + * transfer count */ + union { + struct { + uint32_t reserved_1; + uint16_t reserved_2; + uint16_t reserved_3; + uint32_t reserved_4; + uint32_t data_address[2]; + uint32_t data_length; + uint32_t reserved_5[2]; + uint32_t reserved_6; + } nobundling; + struct { + uint32_t dif_byte_count; /* Total DIF byte + * count */ + uint16_t reserved_1; + uint16_t dseg_count; /* Data segment count */ + uint32_t reserved_2; + uint32_t data_address[2]; + uint32_t data_length; + uint32_t dif_address[2]; + uint32_t dif_length; /* Data segment 0 + * length */ + } bundling; + } u; + + struct fcp_cmnd fcp_cmnd; + dma_addr_t crc_ctx_dma; + /* List of DMA context transfers */ + struct list_head dsd_list; + + /* This structure should not exceed 512 bytes */ +}; + +#define CRC_CONTEXT_LEN_FW (offsetof(struct crc_context, fcp_cmnd.lun)) +#define CRC_CONTEXT_FCPCMND_OFF (offsetof(struct crc_context, fcp_cmnd.lun)) + /* * ISP queue - status entry structure definition. */ @@ -1390,6 +1466,7 @@ typedef struct { #define CS_ABORTED 0x5 /* System aborted command. */ #define CS_TIMEOUT 0x6 /* Timeout error. */ #define CS_DATA_OVERRUN 0x7 /* Data overrun. */ +#define CS_DIF_ERROR 0xC /* DIF error detected */ #define CS_DATA_UNDERRUN 0x15 /* Data Underrun. */ #define CS_QUEUE_FULL 0x1C /* Queue Full. */ @@ -2732,6 +2809,7 @@ typedef struct scsi_qla_host { uint32_t management_server_logged_in :1; uint32_t process_response_queue :1; + uint32_t difdix_supported:1; } flags; atomic_t loop_state; @@ -2883,6 +2961,8 @@ typedef struct scsi_qla_host { #define OPTROM_BURST_SIZE 0x1000 #define OPTROM_BURST_DWORDS (OPTROM_BURST_SIZE / 4) +#define QLA_DSDS_PER_IOCB 37 + #include "qla_gbl.h" #include "qla_dbg.h" #include "qla_inline.h" |