sys/dev/scsipi/scsipi_all.h

   1 /*      $NetBSD: scsipi_all.h,v 1.32 2006/12/01 21:36:56 martin Exp $   */
   2
   3 /*
   4  * SCSI and SCSI-like general 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_SCSIPI_ALL_H_
  25 #define _DEV_SCSIPI_SCSIPI_ALL_H_
  26
  27 /*
  28  * SCSI-like command format and opcode
  29  */
  30
  31 /*
  32  * Some basic, common SCSI command group definitions.
  33  */
  34
  35 #define CDB_GROUPID(cmd)        ((cmd >> 5) & 0x7)
  36 #define CDB_GROUPID_0   0
  37 #define CDB_GROUPID_1   1
  38 #define CDB_GROUPID_2   2
  39 #define CDB_GROUPID_3   3
  40 #define CDB_GROUPID_4   4
  41 #define CDB_GROUPID_5   5
  42 #define CDB_GROUPID_6   6
  43 #define CDB_GROUPID_7   7
  44
  45 #define CDB_GROUP0      6       /*  6-byte cdb's */
  46 #define CDB_GROUP1      10      /* 10-byte cdb's */
  47 #define CDB_GROUP2      10      /* 10-byte cdb's */
  48 #define CDB_GROUP3      0       /* reserved */
  49 #define CDB_GROUP4      16      /* 16-byte cdb's */
  50 #define CDB_GROUP5      12      /* 12-byte cdb's */
  51 #define CDB_GROUP6      0       /* vendor specific */
  52 #define CDB_GROUP7      0       /* vendor specific */
  53
  54 /*
  55  * Some basic, common SCSI commands
  56  */
  57
  58 #define INQUIRY                 0x12
  59 struct scsipi_inquiry {
  60         u_int8_t opcode;
  61         u_int8_t byte2;
  62         u_int8_t unused[2];
  63         u_int8_t length;
  64         u_int8_t control;
  65 } __packed;
  66
  67 #define START_STOP              0x1b
  68 struct scsipi_start_stop {
  69         u_int8_t opcode;
  70         u_int8_t byte2;
  71         u_int8_t unused[2];
  72         u_int8_t how;
  73 #define SSS_STOP                0x00
  74 #define SSS_START               0x01
  75 #define SSS_LOEJ                0x02
  76         u_int8_t control;
  77 };
  78
  79 /*
  80  * inquiry data format
  81  */
  82
  83 #define T_REMOV         1       /* device is removable */
  84 #define T_FIXED         0       /* device is not removable */
  85
  86 /*
  87  * According to SPC-2r16, in order to know if a U3W device support PPR,
  88  * Inquiry Data structure should be at least 57 Bytes
  89  */
  90
  91 struct scsipi_inquiry_data {
  92 /* 1*/  u_int8_t device;
  93 #define SID_TYPE                0x1f    /* device type mask */
  94 #define SID_QUAL                0xe0    /* device qualifier mask */
  95 #define SID_QUAL_LU_PRESENT     0x00    /* logical unit present */
  96 #define SID_QUAL_LU_NOTPRESENT  0x20    /* logical unit not present */
  97 #define SID_QUAL_reserved       0x40
  98 #define SID_QUAL_LU_NOT_SUPP    0x60    /* logical unit not supported */
  99
 100 #define T_DIRECT                0x00    /* direct access device */
 101 #define T_SEQUENTIAL            0x01    /* sequential access device */
 102 #define T_PRINTER               0x02    /* printer device */
 103 #define T_PROCESSOR             0x03    /* processor device */
 104 #define T_WORM                  0x04    /* write once, read many device */
 105 #define T_CDROM                 0x05    /* cd-rom device */
 106 #define T_SCANNER               0x06    /* scanner device */
 107 #define T_OPTICAL               0x07    /* optical memory device */
 108 #define T_CHANGER               0x08    /* medium changer device */
 109 #define T_COMM                  0x09    /* communication device */
 110 #define T_IT8_1                 0x0a    /* Defined by ASC IT8... */
 111 #define T_IT8_2                 0x0b    /* ...(Graphic arts pre-press devices) */
 112 #define T_STORARRAY             0x0c    /* storage array device */
 113 #define T_ENCLOSURE             0x0d    /* enclosure services device */
 114 #define T_SIMPLE_DIRECT         0x0E    /* Simplified direct-access device */
 115 #define T_OPTIC_CARD_RW         0x0F    /* Optical card reader/writer device */
 116 #define T_OBJECT_STORED         0x11    /* Object-based Storage Device */
 117 #define T_NODEVICE              0x1f
 118
 119         u_int8_t dev_qual2;
 120 #define SID_QUAL2               0x7F
 121 #define SID_REMOVABLE           0x80
 122
 123 /* 3*/  u_int8_t version;
 124 #define SID_ANSII       0x07
 125 #define SID_ECMA        0x38
 126 #define SID_ISO         0xC0
 127
 128 /* 4*/  u_int8_t response_format;
 129 #define SID_RespDataFmt 0x0F
 130 #define SID_FORMAT_SCSI1        0x00    /* SCSI-1 format */
 131 #define SID_FORMAT_CCS          0x01    /* SCSI CCS format */
 132 #define SID_FORMAT_ISO          0x02    /* ISO format */
 133
 134 /* 5*/  u_int8_t additional_length;     /* n-4 */
 135 /* 6*/  u_int8_t flags1;
 136 #define SID_SCC         0x80
 137 /* 7*/  u_int8_t flags2;
 138 #define SID_Addr16      0x01
 139 #define SID_MChngr      0x08
 140 #define SID_MultiPort   0x10
 141 #define SID_EncServ     0x40
 142 #define SID_BasQue      0x80
 143 /* 8*/  u_int8_t flags3;
 144 #define SID_SftRe       0x01
 145 #define SID_CmdQue      0x02
 146 #define SID_Linked      0x08
 147 #define SID_Sync        0x10
 148 #define SID_WBus16      0x20
 149 #define SID_WBus32      0x40
 150 #define SID_RelAdr      0x80
 151 /* 9*/  char    vendor[8];
 152 /*17*/  char    product[16];
 153 /*33*/  char    revision[4];
 154 #define SCSIPI_INQUIRY_LENGTH_SCSI2     36
 155 /*37*/  u_int8_t vendor_specific[20];
 156 /*57*/  u_int8_t flags4;
 157 #define        SID_IUS         0x01
 158 #define        SID_QAS         0x02
 159 #define        SID_Clocking    0x0C
 160 #define SID_CLOCKING_ST_ONLY  0x00
 161 #define SID_CLOCKING_DT_ONLY  0x04
 162 #define SID_CLOCKING_SD_DT    0x0C
 163 /*58*/  u_int8_t reserved;
 164 /*59*/  char    version_descriptor[8][2];
 165 #define SCSIPI_INQUIRY_LENGTH_SCSI3     74
 166 } __packed; /* 74 Bytes */
 167
 168 #endif /* _DEV_SCSIPI_SCSIPI_ALL_H_ */