sys/dev/scsipi/scsi_all.h

   1 /*      $NetBSD: scsi_all.h,v 1.19.2.2 2005/03/04 16:50:33 skrll 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_ */