/* $NetBSD: scsi_all.h,v 1.25 2012/02/25 10:17:14 shattered Exp $ */

/* $NetBSD: scsi_all.h,v 1.25 2012/02/25 10:17:14 shattered Exp $ */

/*
* SCSI-specific interface description.
*/

/*
* Largely written by Julian Elischer ([email protected])
* for TRW Financial Systems.
*
* TRW Financial Systems, in accordance with their agreement with Carnegie
* Mellon University, makes this software available to CMU to distribute
* or use in any manner that they see fit as long as this message is kept with
* the software. For this reason TFS also grants any other persons or
* organisations permission to use or modify this software.
*
* TFS supplies this software to be publicly redistributed
* on the understanding that TFS is not responsible for the correct
* functioning of this software in any circumstances.
*
* Ported to run under 386BSD by Julian Elischer ([email protected]) Sept 1992
*/

#ifndef _DEV_SCSIPI_SCSI_ALL_H_
#define _DEV_SCSIPI_SCSI_ALL_H_

/*
* Define some bits that are in ALL (or a lot of) scsi commands
*/
#define SCSI_CTL_LINK 0x01
#define SCSI_CTL_FLAG 0x02
#define SCSI_CTL_VENDOR 0xC0

/*
* Some old SCSI devices need the LUN to be set in the top 3 bits of the
* second byte of the CDB.
*/
#define SCSI_CMD_LUN_MASK 0xe0
#define SCSI_CMD_LUN_SHIFT 5

#define SCSI_CHANGE_DEFINITION 0x40
struct scsi_changedef {
u_int8_t opcode;
u_int8_t byte2;
u_int8_t unused1;
u_int8_t how;
u_int8_t unused[4];
u_int8_t datalen;
u_int8_t control;
};
#define SC_SCSI_1 0x01
#define SC_SCSI_2 0x03

/*
* Status Byte
*/
#define SCSI_OK 0x00
#define SCSI_CHECK 0x02
#define SCSI_BUSY 0x08
#define SCSI_INTERM 0x10
#define SCSI_RESV_CONFLICT 0x18
#define SCSI_TERMINATED 0x22
#define SCSI_QUEUE_FULL 0x28
#define SCSI_ACA_ACTIVE 0x30

#endif /* _DEV_SCSIPI_SCSI_ALL_H_ */