scsipi_all.h revision 1.11
1 /* $NetBSD: scsipi_all.h,v 1.11 1998/11/19 03:45:39 thorpej 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 #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 #define TEST_UNIT_READY 0x00 58 struct scsipi_test_unit_ready { 59 u_int8_t opcode; 60 u_int8_t byte2; 61 u_int8_t unused[3]; 62 u_int8_t control; 63 }; 64 65 #define REQUEST_SENSE 0x03 66 struct scsipi_sense { 67 u_int8_t opcode; 68 u_int8_t byte2; 69 u_int8_t unused[2]; 70 u_int8_t length; 71 u_int8_t control; 72 }; 73 74 #define INQUIRY 0x12 75 struct scsipi_inquiry { 76 u_int8_t opcode; 77 u_int8_t byte2; 78 u_int8_t unused[2]; 79 u_int8_t length; 80 u_int8_t control; 81 }; 82 83 #define PREVENT_ALLOW 0x1e 84 struct scsipi_prevent { 85 u_int8_t opcode; 86 u_int8_t byte2; 87 u_int8_t unused[2]; 88 u_int8_t how; 89 u_int8_t control; 90 }; 91 #define PR_PREVENT 0x01 92 #define PR_ALLOW 0x00 93 94 /* 95 * inquiry and sense data format 96 */ 97 98 struct scsipi_sense_data { 99 /* 1*/ u_int8_t error_code; 100 #define SSD_ERRCODE 0x7F 101 #define SSD_ERRCODE_VALID 0x80 102 /* 2*/ u_int8_t segment; 103 /* 3*/ u_int8_t flags; 104 #define SSD_KEY 0x0F 105 #define SSD_ILI 0x20 106 #define SSD_EOM 0x40 107 #define SSD_FILEMARK 0x80 108 /* 7*/ u_int8_t info[4]; 109 /* 8*/ u_int8_t extra_len; 110 /*12*/ u_int8_t cmd_spec_info[4]; 111 /*13*/ u_int8_t add_sense_code; 112 /*14*/ u_int8_t add_sense_code_qual; 113 /*15*/ u_int8_t fru; 114 /*16*/ u_int8_t sense_key_spec_1; 115 #define SSD_SCS_VALID 0x80 116 /*17*/ u_int8_t sense_key_spec_2; 117 /*18*/ u_int8_t sense_key_spec_3; 118 /*32*/ u_int8_t extra_bytes[14]; 119 }; 120 121 #define SKEY_NO_SENSE 0x00 122 #define SKEY_RECOVERED_ERROR 0x01 123 #define SKEY_NOT_READY 0x02 124 #define SKEY_MEDIUM_ERROR 0x03 125 #define SKEY_HARDWARE_ERROR 0x04 126 #define SKEY_ILLEGAL_REQUEST 0x05 127 #define SKEY_UNIT_ATTENTION 0x06 128 #define SKEY_WRITE_PROTECT 0x07 129 #define SKEY_BLANK_CHECK 0x08 130 #define SKEY_VENDOR_UNIQUE 0x09 131 #define SKEY_COPY_ABORTED 0x0A 132 #define SKEY_ABORTED_COMMAND 0x0B 133 #define SKEY_EQUAL 0x0C 134 #define SKEY_VOLUME_OVERFLOW 0x0D 135 #define SKEY_MISCOMPARE 0x0E 136 #define SKEY_RESERVED 0x0F 137 138 /* 139 * Sense bytes described by the extra_len tag start at cmd_spec_info, 140 * and can only continue up to the end of the structure we've defined 141 * (which is too short for some cases). 142 */ 143 #define ADD_BYTES_LIM(sp) \ 144 (((int)(sp)->extra_len) < (int) sizeof(struct scsipi_sense_data) - 8)? \ 145 ((sp)->extra_len) : (sizeof (struct scsipi_sense_data) - 8) 146 147 148 struct scsipi_sense_data_unextended { 149 /* 1*/ u_int8_t error_code; 150 /* 4*/ u_int8_t block[3]; 151 }; 152 153 #define T_DIRECT 0x00 /* direct access device */ 154 #define T_SEQUENTIAL 0x01 /* sequential access device */ 155 #define T_PRINTER 0x02 /* printer device */ 156 #define T_PROCESSOR 0x03 /* processor device */ 157 #define T_WORM 0x04 /* write once, read many device */ 158 #define T_CDROM 0x05 /* cd-rom device */ 159 #define T_SCANNER 0x06 /* scanner device */ 160 #define T_OPTICAL 0x07 /* optical memory device */ 161 #define T_CHANGER 0x08 /* medium changer device */ 162 #define T_COMM 0x09 /* communication device */ 163 #define T_IT8_1 0x0a /* ??? */ 164 #define T_IT8_2 0x0b /* ??? */ 165 #define T_STORARRAY 0x0c /* storage array device */ 166 #define T_ENCLOSURE 0x0d /* enclosure services device */ 167 #define T_NODEVICE 0x1F 168 169 #define T_REMOV 1 /* device is removable */ 170 #define T_FIXED 0 /* device is not removable */ 171 172 /* 173 * XXX 174 * Actually I think some SCSI driver expects this structure to be 32 bytes, so 175 * don't change it unless you really know what you are doing 176 */ 177 178 struct scsipi_inquiry_data { 179 u_int8_t device; 180 #define SID_TYPE 0x1F 181 #define SID_QUAL 0xE0 182 #define SID_QUAL_LU_OK 0x00 183 #define SID_QUAL_LU_OFFLINE 0x20 184 #define SID_QUAL_RSVD 0x40 185 #define SID_QUAL_BAD_LU 0x60 186 u_int8_t dev_qual2; 187 #define SID_QUAL2 0x7F 188 #define SID_REMOVABLE 0x80 189 u_int8_t version; 190 #define SID_ANSII 0x07 191 #define SID_ECMA 0x38 192 #define SID_ISO 0xC0 193 u_int8_t response_format; 194 u_int8_t additional_length; 195 u_int8_t unused[2]; 196 u_int8_t flags; 197 #define SID_SftRe 0x01 198 #define SID_CmdQue 0x02 199 #define SID_Linked 0x08 200 #define SID_Sync 0x10 201 #define SID_WBus16 0x20 202 #define SID_WBus32 0x40 203 #define SID_RelAdr 0x80 204 char vendor[8]; 205 char product[16]; 206 char revision[4]; 207 u_int8_t extra[8]; 208 }; 209 210 #endif /* _DEV_SCSIPI_SCSIPI_ALL_H_ */ 211
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