scsi_all.h

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    1 /*      $NetBSD: scsi_all.h,v 1.24 2005/12/11 12:23:50 christos Exp $   */
    2 
    3 /*
    4  * SCSI-specific interface description.
    5  */
    6 
    7 /*
    8  * Largely written by Julian Elischer (julian@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@tfs.com) Sept 1992
   22  */
   23 
   24 #ifndef _DEV_SCSIPI_SCSI_ALL_H_
   25 #define _DEV_SCSIPI_SCSI_ALL_H_
   26 
   27 /*
   28  * Define dome 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_ */

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sys/dev/scsipi/scsi_all.h