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// 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_is_read(u8 *cdbcmd, u16 blocksize);
struct disk_op_s;
int scsi_process_op(struct disk_op_s *op);
int scsi_is_ready(struct disk_op_s *op);
struct drive_s;
int scsi_drive_setup(struct drive_s *drive, const char *s, int prio);
#endif // blockcmd.h
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