1 /* $NetBSD: scsipi_all.h,v 1.33 2007/12/25 18:33:42 perry 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_ */ 169