diff options
Diffstat (limited to 'src/include/gpxe/scsi.h')
| -rw-r--r-- | src/include/gpxe/scsi.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/include/gpxe/scsi.h b/src/include/gpxe/scsi.h index d7da1255e..d5620ef80 100644 --- a/src/include/gpxe/scsi.h +++ b/src/include/gpxe/scsi.h @@ -12,6 +12,7 @@ #define SCSI_OPCODE_READ_16 0x88 /**< READ (16) */ #define SCSI_OPCODE_WRITE_16 0x8a /**< WRITE (16) */ +#define SCSI_OPCODE_READ_CAPACITY_10 0x25 /**< READ CAPACITY (10) */ #define SCSI_OPCODE_SERVICE_ACTION_IN 0x9e /**< SERVICE ACTION IN */ #define SCSI_SERVICE_ACTION_READ_CAPACITY_16 0x10 /**< READ CAPACITY (16) */ @@ -77,6 +78,31 @@ struct scsi_cdb_write_16 { uint8_t control; } __attribute__ (( packed )); +/** A SCSI "READ CAPACITY (10)" CDB */ +struct scsi_cdb_read_capacity_10 { + /** Opcode (0x25) */ + uint8_t opcode; + /** Reserved */ + uint8_t reserved_a; + /** Logical block address + * + * Applicable only if the PMI bit is set. + */ + uint32_t lba; + /** Reserved */ + uint8_t reserved_b[3]; + /** Control byte */ + uint8_t control; +} __attribute__ (( packed )); + +/** SCSI "READ CAPACITY (10)" parameter data */ +struct scsi_capacity_10 { + /** Maximum logical block number */ + uint32_t lba; + /** Block length in bytes */ + uint32_t blksize; +} __attribute__ (( packed )); + /** A SCSI "READ CAPACITY (16)" CDB */ struct scsi_cdb_read_capacity_16 { /** Opcode (0x9e) */ @@ -113,6 +139,7 @@ struct scsi_capacity_16 { union scsi_cdb { struct scsi_cdb_read_16 read16; struct scsi_cdb_write_16 write16; + struct scsi_cdb_read_capacity_10 readcap10; struct scsi_cdb_read_capacity_16 readcap16; char bytes[16]; }; |