include/scsi/sbc_protocol.h

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#ifndef SCSI_SBC_PROTOCOL_H_INCLUDED
#define SCSI_SBC_PROTOCOL_H_INCLUDED


#define SCSI_CMD_FORMAT_UNIT            0x04
#define SCSI_CMD_READ6                  0x08
#define SCSI_CMD_WRITE6                 0x0a
#define SCSI_CMD_START_STOP_UNIT        0x1b
#define SCSI_CMD_READ_CAPACITY10        0x25
#define SCSI_CMD_READ10                 0x28
#define SCSI_CMD_WRITE10                0x2a
#define SCSI_CMD_VERIFY10               0x2f




enum scsi_sbc_mode_page_code {
        SCSI_MS_PAGE_CACHING            = 0x08,
};


#define SCSI_MS_SBC_WP                  0x80    //!< Write Protected
#define SCSI_MS_SBC_DPOFUA              0x10    //!< DPO and FUA supported


struct sbc_slba_block_desc {
        be32_t  nr_blocks;                      
        be32_t  block_len;                      
#define SBC_SLBA_BLOCK_LEN_MASK 0x00ffffffU     //!< Mask reserved bits
};

struct sbc_caching_mode_page {
        uint8_t page_code;
        uint8_t page_length;
        uint8_t flags2;
#define SBC_MP_CACHE_IC         (1 << 7)        //!< Initiator Control
#define SBC_MP_CACHE_ABPF       (1 << 6)        //!< Abort Pre-Fetch
#define SBC_MP_CACHE_CAP        (1 << 5)        //!< Caching Analysis Permitted
#define SBC_MP_CACHE_DISC       (1 << 4)        //!< Discontinuity
#define SBC_MP_CACHE_SIZE       (1 << 3)        //!< Size enable
#define SBC_MP_CACHE_WCE        (1 << 2)        //!< Writeback Cache Enable
#define SBC_MP_CACHE_MF         (1 << 1)        //!< Multiplication Factor
#define SBC_MP_CACHE_RCD        (1 << 0)        //!< Read Cache Disable
        uint8_t retention;
        be16_t  dis_pf_transfer_len;
        be16_t  min_prefetch;
        be16_t  max_prefetch;
        be16_t  max_prefetch_ceil;
        uint8_t flags12;
#define SBC_MP_CACHE_FSW        (1 << 7)        //!< Force Sequential Write
#define SBC_MP_CACHE_LBCSS      (1 << 6)        //!< Logical Blk Cache Seg Sz
#define SBC_MP_CACHE_DRA        (1 << 5)        //!< Disable Read-Ahead
#define SBC_MP_CACHE_NV_DIS     (1 << 0)        //!< Non-Volatile Cache Disable
        uint8_t nr_cache_segments;
        be16_t  cache_segment_size;
        uint8_t reserved[4];
};


struct sbc_read_capacity10_data {
        be32_t  max_lba;        
        be32_t  block_len;      
};

#endif /* SCSI_SBC_PROTOCOL_H_INCLUDED */

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