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      1 /*	$NetBSD: scsi_all.h,v 1.25 2012/02/25 10:17:14 shattered Exp $	*/
      2 
      3 /*
      4  * SCSI-specific interface description.
      5  */
      6 
      7 /*
      8  * Largely written by Julian Elischer (julian (at) tfs.com)
      9  * for TRW Financial Systems.
     10  *
     11  * TRW Financial Systems, in accordance with their agreement with Carnegie
     12  * Mellon University, makes this software available to CMU to distribute
     13  * or use in any manner that they see fit as long as this message is kept with
     14  * the software. For this reason TFS also grants any other persons or
     15  * organisations permission to use or modify this software.
     16  *
     17  * TFS supplies this software to be publicly redistributed
     18  * on the understanding that TFS is not responsible for the correct
     19  * functioning of this software in any circumstances.
     20  *
     21  * Ported to run under 386BSD by Julian Elischer (julian (at) tfs.com) Sept 1992
     22  */
     23 
     24 #ifndef _DEV_SCSIPI_SCSI_ALL_H_
     25 #define _DEV_SCSIPI_SCSI_ALL_H_
     26 
     27 /*
     28  * Define some bits that are in ALL (or a lot of) scsi commands
     29  */
     30 #define	SCSI_CTL_LINK		0x01
     31 #define	SCSI_CTL_FLAG		0x02
     32 #define	SCSI_CTL_VENDOR		0xC0
     33 
     34 
     35 /*
     36  * Some old SCSI devices need the LUN to be set in the top 3 bits of the
     37  * second byte of the CDB.
     38  */
     39 #define	SCSI_CMD_LUN_MASK	0xe0
     40 #define	SCSI_CMD_LUN_SHIFT	5
     41 
     42 #define	SCSI_CHANGE_DEFINITION	0x40
     43 struct scsi_changedef {
     44 	u_int8_t opcode;
     45 	u_int8_t byte2;
     46 	u_int8_t unused1;
     47 	u_int8_t how;
     48 	u_int8_t unused[4];
     49 	u_int8_t datalen;
     50 	u_int8_t control;
     51 };
     52 #define	SC_SCSI_1 0x01
     53 #define	SC_SCSI_2 0x03
     54 
     55 /*
     56  * Status Byte
     57  */
     58 #define	SCSI_OK			0x00
     59 #define	SCSI_CHECK		0x02
     60 #define	SCSI_BUSY		0x08
     61 #define	SCSI_INTERM		0x10
     62 #define	SCSI_RESV_CONFLICT	0x18
     63 #define	SCSI_TERMINATED		0x22
     64 #define	SCSI_QUEUE_FULL		0x28
     65 #define	SCSI_ACA_ACTIVE		0x30
     66 
     67 #endif /* _DEV_SCSIPI_SCSI_ALL_H_ */
     68