scsipi_all.h revision 1.8
1 /* $NetBSD: scsipi_all.h,v 1.8 1998/06/24 00:29:39 mjacob Exp $ */ 2 3 /* 4 * SCSI and SCSI-like general 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 /* 25 * SCSI-like command format and opcode 26 */ 27 28 /* 29 * Some basic, common SCSI command group definitions. 30 */ 31 32 #define CDB_GROUPID(cmd) ((cmd >> 5) & 0x7) 33 #define CDB_GROUPID_0 0 34 #define CDB_GROUPID_1 1 35 #define CDB_GROUPID_2 2 36 #define CDB_GROUPID_3 3 37 #define CDB_GROUPID_4 4 38 #define CDB_GROUPID_5 5 39 #define CDB_GROUPID_6 6 40 #define CDB_GROUPID_7 7 41 42 #define CDB_GROUP0 6 /* 6-byte cdb's */ 43 #define CDB_GROUP1 10 /* 10-byte cdb's */ 44 #define CDB_GROUP2 10 /* 10-byte cdb's */ 45 #define CDB_GROUP3 0 /* reserved */ 46 #define CDB_GROUP4 16 /* 16-byte cdb's */ 47 #define CDB_GROUP5 12 /* 12-byte cdb's */ 48 #define CDB_GROUP6 0 /* vendor specific */ 49 #define CDB_GROUP7 0 /* vendor specific */ 50 51 /* 52 * Some basic, common SCSI commands 53 */ 54 #define TEST_UNIT_READY 0x00 55 struct scsipi_test_unit_ready { 56 u_int8_t opcode; 57 u_int8_t byte2; 58 u_int8_t unused[3]; 59 u_int8_t control; 60 }; 61 62 #define REQUEST_SENSE 0x03 63 struct scsipi_sense { 64 u_int8_t opcode; 65 u_int8_t byte2; 66 u_int8_t unused[2]; 67 u_int8_t length; 68 u_int8_t control; 69 }; 70 71 #define INQUIRY 0x12 72 struct scsipi_inquiry { 73 u_int8_t opcode; 74 u_int8_t byte2; 75 u_int8_t unused[2]; 76 u_int8_t length; 77 u_int8_t control; 78 }; 79 80 #define PREVENT_ALLOW 0x1e 81 struct scsipi_prevent { 82 u_int8_t opcode; 83 u_int8_t byte2; 84 u_int8_t unused[2]; 85 u_int8_t how; 86 u_int8_t control; 87 }; 88 #define PR_PREVENT 0x01 89 #define PR_ALLOW 0x00 90 91 /* 92 * inquiry and sense data format 93 */ 94 95 struct scsipi_sense_data { 96 /* 1*/ u_int8_t error_code; 97 #define SSD_ERRCODE 0x7F 98 #define SSD_ERRCODE_VALID 0x80 99 /* 2*/ u_int8_t segment; 100 /* 3*/ u_int8_t flags; 101 #define SSD_KEY 0x0F 102 #define SSD_ILI 0x20 103 #define SSD_EOM 0x40 104 #define SSD_FILEMARK 0x80 105 /* 7*/ u_int8_t info[4]; 106 /* 8*/ u_int8_t extra_len; 107 /*12*/ u_int8_t cmd_spec_info[4]; 108 /*13*/ u_int8_t add_sense_code; 109 /*14*/ u_int8_t add_sense_code_qual; 110 /*15*/ u_int8_t fru; 111 /*16*/ u_int8_t sense_key_spec_1; 112 #define SSD_SCS_VALID 0x80 113 /*17*/ u_int8_t sense_key_spec_2; 114 /*18*/ u_int8_t sense_key_spec_3; 115 /*32*/ u_int8_t extra_bytes[14]; 116 }; 117 /* 118 * Sense bytes described by the extra_len tag start at cmd_spec_info, 119 * and can only continue up to the end of the structure we've defined 120 * (which is too short for some cases). 121 */ 122 #define ADD_BYTES_LIM(sp) \ 123 (((int)(sp)->extra_len) < (int) sizeof(struct scsipi_sense_data) - 8)? \ 124 ((sp)->extra_len) : (sizeof (struct scsipi_sense_data) - 8) 125 126 127 struct scsipi_sense_data_unextended { 128 /* 1*/ u_int8_t error_code; 129 /* 4*/ u_int8_t block[3]; 130 }; 131 132 #define T_DIRECT 0x00 /* direct access device */ 133 #define T_SEQUENTIAL 0x01 /* sequential access device */ 134 #define T_PRINTER 0x02 /* printer device */ 135 #define T_PROCESSOR 0x03 /* processor device */ 136 #define T_WORM 0x04 /* write once, read many device */ 137 #define T_CDROM 0x05 /* cd-rom device */ 138 #define T_SCANNER 0x06 /* scanner device */ 139 #define T_OPTICAL 0x07 /* optical memory device */ 140 #define T_CHANGER 0x08 /* medium changer device */ 141 #define T_COMM 0x09 /* communication device */ 142 #define T_IT8_1 0x0a /* ??? */ 143 #define T_IT8_2 0x0b /* ??? */ 144 #define T_STORARRAY 0x0c /* storage array device */ 145 #define T_ENCLOSURE 0x0d /* enclosure services device */ 146 #define T_NODEVICE 0x1F 147 148 #define T_REMOV 1 /* device is removable */ 149 #define T_FIXED 0 /* device is not removable */ 150 151 /* 152 * XXX 153 * Actually I think some SCSI driver expects this structure to be 32 bytes, so 154 * don't change it unless you really know what you are doing 155 */ 156 157 struct scsipi_inquiry_data { 158 u_int8_t device; 159 #define SID_TYPE 0x1F 160 #define SID_QUAL 0xE0 161 #define SID_QUAL_LU_OK 0x00 162 #define SID_QUAL_LU_OFFLINE 0x20 163 #define SID_QUAL_RSVD 0x40 164 #define SID_QUAL_BAD_LU 0x60 165 u_int8_t dev_qual2; 166 #define SID_QUAL2 0x7F 167 #define SID_REMOVABLE 0x80 168 u_int8_t version; 169 #define SID_ANSII 0x07 170 #define SID_ECMA 0x38 171 #define SID_ISO 0xC0 172 u_int8_t response_format; 173 u_int8_t additional_length; 174 u_int8_t unused[2]; 175 u_int8_t flags; 176 #define SID_SftRe 0x01 177 #define SID_CmdQue 0x02 178 #define SID_Linked 0x08 179 #define SID_Sync 0x10 180 #define SID_WBus16 0x20 181 #define SID_WBus32 0x40 182 #define SID_RelAdr 0x80 183 char vendor[8]; 184 char product[16]; 185 char revision[4]; 186 u_int8_t extra[8]; 187 }; 188
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