| // Definitions for SCSI style command data blocks. |
| #ifndef __BLOCKCMD_H |
| #define __BLOCKCMD_H |
| |
| #include "types.h" // u8 |
| |
| #define CDB_CMD_READ_10 0x28 |
| #define CDB_CMD_VERIFY_10 0x2f |
| #define CDB_CMD_WRITE_10 0x2a |
| |
| struct cdb_rwdata_10 { |
| u8 command; |
| u8 flags; |
| u32 lba; |
| u8 resreved_06; |
| u16 count; |
| u8 reserved_09; |
| u8 pad[6]; |
| } PACKED; |
| |
| #define CDB_CMD_READ_CAPACITY 0x25 |
| |
| struct cdb_read_capacity { |
| u8 command; |
| u8 flags; |
| u8 resreved_02[8]; |
| u8 pad[6]; |
| } PACKED; |
| |
| struct cdbres_read_capacity { |
| u32 sectors; |
| u32 blksize; |
| } PACKED; |
| |
| #define CDB_CMD_TEST_UNIT_READY 0x00 |
| #define CDB_CMD_INQUIRY 0x12 |
| #define CDB_CMD_REQUEST_SENSE 0x03 |
| |
| struct cdb_request_sense { |
| u8 command; |
| u8 flags; |
| u16 reserved_02; |
| u8 length; |
| u8 reserved_05; |
| u8 pad[10]; |
| } PACKED; |
| |
| struct cdbres_request_sense { |
| u8 errcode; |
| u8 segment; |
| u8 flags; |
| u32 info; |
| u8 additional; |
| u32 specific; |
| u8 asc; |
| u8 ascq; |
| u32 reserved_0e; |
| } PACKED; |
| |
| #define SCSI_TYPE_DISK 0x00 |
| #define SCSI_TYPE_CDROM 0x05 |
| |
| struct cdbres_inquiry { |
| u8 pdt; |
| u8 removable; |
| u8 reserved_02[2]; |
| u8 additional; |
| u8 reserved_05[3]; |
| char vendor[8]; |
| char product[16]; |
| char rev[4]; |
| } PACKED; |
| |
| #define CDB_CMD_MODE_SENSE 0x5A |
| #define MODE_PAGE_HD_GEOMETRY 0x04 |
| |
| struct cdb_mode_sense { |
| u8 command; |
| u8 flags; |
| u8 page; |
| u32 reserved_03; |
| u16 count; |
| u8 reserved_09; |
| u8 pad[6]; |
| } PACKED; |
| |
| struct cdbres_mode_sense_geom { |
| u8 unused_00[3]; |
| u8 read_only; |
| u32 unused_04; |
| u8 page; |
| u8 length; |
| u8 cyl[3]; |
| u8 heads; |
| u8 precomp[3]; |
| u8 reduced[3]; |
| u16 step_rate; |
| u8 landing[3]; |
| u16 rpm; |
| } PACKED; |
| |
| // blockcmd.c |
| int cdb_get_inquiry(struct disk_op_s *op, struct cdbres_inquiry *data); |
| int cdb_get_sense(struct disk_op_s *op, struct cdbres_request_sense *data); |
| int cdb_test_unit_ready(struct disk_op_s *op); |
| int cdb_read_capacity(struct disk_op_s *op, struct cdbres_read_capacity *data); |
| int cdb_mode_sense_geom(struct disk_op_s *op, struct cdbres_mode_sense_geom *data); |
| int cdb_inquiry(struct disk_op_s *op, struct cdbres_inquiry *data); |
| int cdb_read(struct disk_op_s *op); |
| int cdb_write(struct disk_op_s *op); |
| |
| int scsi_is_ready(struct disk_op_s *op); |
| int scsi_init_drive(struct drive_s *drive, const char *s, int *pdt, char **desc); |
| |
| #endif // blockcmd.h |