scsireg.h revision 1.4
1 /* $NetBSD: scsireg.h,v 1.4 2015/02/14 05:03:09 tsutsui Exp $ */ 2 3 /* 4 * Copyright (c) 1990, 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Van Jacobson of Lawrence Berkeley Laboratory. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)scsireg.h 8.1 (Berkeley) 6/10/93 35 */ 36 37 /* 38 * MB89352 SCSI Protocol Controller Hardware Description. 39 */ 40 41 struct scsidevice { 42 volatile uint8_t scsi_bdid, p0, p1, p2; /* 000 */ 43 volatile uint8_t scsi_sctl, p3, p4, p5; /* 004 */ 44 #define SCTL_DISABLE 0x80 45 #define SCTL_CTRLRST 0x40 46 #define SCTL_DIAG 0x20 47 #define SCTL_ABRT_ENAB 0x10 48 #define SCTL_PARITY_ENAB 0x08 49 #define SCTL_SEL_ENAB 0x04 50 #define SCTL_RESEL_ENAB 0x02 51 #define SCTL_INTR_ENAB 0x01 52 volatile uint8_t scsi_scmd, p6, p7, p8; /* 008 */ 53 #define SCMD_RST 0x10 54 #define SCMD_ICPT_XFR 0x08 55 #define SCMD_PROG_XFR 0x04 56 #define SCMD_PAD 0x01 /* if initiator */ 57 #define SCMD_PERR_STOP 0x01 /* if target */ 58 /* command codes */ 59 #define SCMD_BUS_REL 0x00 60 #define SCMD_SELECT 0x20 61 #define SCMD_RST_ATN 0x40 62 #define SCMD_SET_ATN 0x60 63 #define SCMD_XFR 0x80 64 #define SCMD_XFR_PAUSE 0xa0 65 #define SCMD_RST_ACK 0xc0 66 #define SCMD_SET_ACK 0xe0 67 volatile uint8_t scsi_tmod, p9, p10, p11; /* 00C */ 68 #define TMOD_SYNC 0x80 69 volatile uint8_t scsi_ints, p12, p13, p14; /* 010 */ 70 #define INTS_SEL 0x80 71 #define INTS_RESEL 0x40 72 #define INTS_DISCON 0x20 73 #define INTS_CMD_DONE 0x10 74 #define INTS_SRV_REQ 0x08 75 #define INTS_TIMEOUT 0x04 76 #define INTS_HARD_ERR 0x02 77 #define INTS_RST 0x01 78 volatile uint8_t scsi_psns, p15, p16, p17; /* 014 */ 79 #define PSNS_REQ 0x80 80 #define PSNS_ACK 0x40 81 #define PSNS_ATN 0x20 82 #define PSNS_SEL 0x10 83 #define PSNS_BSY 0x08 84 #define scsi_sdgc scsi_psns 85 #define SDGC_XFER_ENAB 0x20 86 volatile uint8_t scsi_ssts, p18, p19, p20; /* 018 */ 87 #define SSTS_INITIATOR 0x80 88 #define SSTS_TARGET 0x40 89 #define SSTS_BUSY 0x20 90 #define SSTS_XFR 0x10 91 #define SSTS_ACTIVE (SSTS_INITIATOR|SSTS_XFR) 92 #define SSTS_RST 0x08 93 #define SSTS_TCZERO 0x04 94 #define SSTS_DREG_FULL 0x02 95 #define SSTS_DREG_EMPTY 0x01 96 volatile uint8_t scsi_serr, p21, p22, p23; /* 01C */ 97 #define SERR_SCSI_PAR 0x80 98 #define SERR_SPC_PAR 0x40 99 #define SERR_XFER_OUT 0x20 100 #define SERR_TC_PAR 0x08 101 #define SERR_PHASE_ERR 0x04 102 #define SERR_SHORT_XFR 0x02 103 #define SERR_OFFSET 0x01 104 volatile uint8_t scsi_pctl, p24, p25, p26; /* 020 */ 105 #define PCTL_BFINT_ENAB 0x80 106 volatile uint8_t scsi_mbc, p27, p28, p29; /* 024 */ 107 volatile uint8_t scsi_dreg, p30, p31, p32; /* 028 */ 108 volatile uint8_t scsi_temp, p33, p34, p35; /* 02C */ 109 volatile uint8_t scsi_tch, p36, p37, p38; /* 030 */ 110 volatile uint8_t scsi_tcm, p39, p40, p41; /* 034 */ 111 volatile uint8_t scsi_tcl, p42, p43, p44; /* 038 */ 112 volatile uint8_t scsi_exbf, p45, p46, p47; /* 03C */ 113 }; 114 115 /* psns/pctl phase lines as bits */ 116 #define PHASE_MSG 0x04 117 #define PHASE_CD 0x02 /* =1 if 'command' */ 118 #define PHASE_IO 0x01 /* =1 if data inbound */ 119 /* Phase lines as values */ 120 #define PHASE 0x07 /* mask for psns/pctl phase */ 121 #define DATA_OUT_PHASE 0x00 122 #define DATA_IN_PHASE 0x01 123 #define CMD_PHASE 0x02 124 #define STATUS_PHASE 0x03 125 #define BUS_FREE_PHASE 0x04 126 #define ARB_SEL_PHASE 0x05 /* Fuji chip combines arbitration with sel. */ 127 #define MESG_OUT_PHASE 0x06 128 #define MESG_IN_PHASE 0x07 129 130 /* SCSI Messages */ 131 132 #define MSG_CMD_COMPLETE 0x00 133 #define MSG_EXT_MESSAGE 0x01 134 #define MSG_SAVE_DATA_PTR 0x02 135 #define MSG_RESTORE_PTR 0x03 136 #define MSG_DISCONNECT 0x04 137 #define MSG_INIT_DETECT_ERROR 0x05 138 #define MSG_ABORT 0x06 139 #define MSG_REJECT 0x07 140 #define MSG_NOOP 0x08 141 #define MSG_PARITY_ERROR 0x09 142 #define MSG_BUS_DEVICE_RESET 0x0C 143 #define MSG_IDENTIFY 0x80 144 #define MSG_IDENTIFY_DR 0xc0 /* (disconnect/reconnect allowed) */ 145 #define MSG_SYNC_REQ 0x01 146 147 /* SCSI Commands */ 148 149 #define CMD_TEST_UNIT_READY 0x00 150 #define CMD_REQUEST_SENSE 0x03 151 #define CMD_INQUIRY 0x12 152 #define CMD_SEND_DIAGNOSTIC 0x1D 153 154 #define CMD_REWIND 0x01 155 #define CMD_FORMAT_UNIT 0x04 156 #define CMD_READ_BLOCK_LIMITS 0x05 157 #define CMD_REASSIGN_BLOCKS 0x07 158 #define CMD_READ 0x08 159 #define CMD_WRITE 0x0A 160 #define CMD_WRITE_FILEMARK 0x10 161 #define CMD_SPACE 0x11 162 #define CMD_MODE_SELECT 0x15 163 #define CMD_RELEASE_UNIT 0x17 164 #define CMD_ERASE 0x19 165 #define CMD_MODE_SENSE 0x1A 166 #define CMD_LOADUNLOAD 0x1B 167 #define CMD_RECEIVE_DIAG 0x1C 168 #define CMD_SEND_DIAG 0x1D 169 #define CMD_P_A_MEDIA_REMOVAL 0x1E 170 #define CMD_READ_CAPACITY 0x25 171 #define CMD_READ_EXT 0x28 172 #define CMD_WRITE_EXT 0x2A 173 #define CMD_READ_DEFECT_DATA 0x37 174 #define SD_MANUFAC_DEFECTS 0x14000000 175 #define SD_GROWN_DEFECTS 0x0c000000 176 #define CMD_READ_BUFFER 0x3B 177 #define CMD_WRITE_BUFFER 0x3C 178 #define CMD_READ_FULL 0xF0 179 #define CMD_MEDIA_TEST 0xF1 180 #define CMD_ACCESS_LOG 0xF2 181 #define CMD_WRITE_FULL 0xFC 182 #define CMD_MANAGE_PRIMARY 0xFD 183 #define CMD_EXECUTE_DATA 0xFE 184 185 /* SCSI status bits */ 186 187 #define STS_CHECKCOND 0x02 /* Check Condition (ie., read sense) */ 188 #define STS_CONDMET 0x04 /* Condition Met (ie., search worked) */ 189 #define STS_BUSY 0x08 190 #define STS_INTERMED 0x10 /* Intermediate status sent */ 191 #define STS_EXT 0x80 /* Extended status valid */ 192 193 /* command descriptor blocks */ 194 195 struct scsi_cdb6 { 196 uint8_t cmd; /* command code */ 197 uint8_t lun: 3, /* logical unit on ctlr */ 198 lbah: 5; /* msb of read/write logical block addr */ 199 uint8_t lbam; /* middle byte of l.b.a. */ 200 uint8_t lbal; /* lsb of l.b.a. */ 201 uint8_t len; /* transfer length */ 202 uint8_t xtra; 203 }; 204 205 struct scsi_cdb10 { 206 uint8_t cmd; /* command code */ 207 uint8_t lun: 3, /* logical unit on ctlr */ 208 : 4, 209 rel: 1; /* l.b.a. is relative addr if =1 */ 210 uint8_t lbah; /* msb of read/write logical block addr */ 211 uint8_t lbahm; /* high middle byte of l.b.a. */ 212 uint8_t lbalm; /* low middle byte of l.b.a. */ 213 uint8_t lbal; /* lsb of l.b.a. */ 214 uint8_t reserved; 215 uint8_t lenh; /* msb transfer length */ 216 uint8_t lenl; /* lsb transfer length */ 217 uint8_t xtra; 218 }; 219 220 /* basic sense data */ 221 222 struct scsi_sense { 223 uint8_t valid: 1, /* l.b.a. is valid */ 224 class: 3, 225 code: 4; 226 uint8_t vu: 4, /* vendor unique */ 227 lbah: 4; 228 uint8_t lbam; 229 uint8_t lbal; 230 }; 231 232 struct scsi_xsense { 233 uint8_t valid: 1, /* l.b.a. is valid */ 234 class: 3, 235 code: 4; 236 uint8_t segment; 237 uint8_t filemark: 1, 238 eom: 1, 239 ili: 1, /* illegal length indicator */ 240 rsvd: 1, 241 key: 4; 242 uint8_t info1; 243 uint8_t info2; 244 uint8_t info3; 245 uint8_t info4; 246 uint8_t len; /* additional sense length */ 247 }; 248 249 /* inquiry data */ 250 struct scsi_inquiry { 251 uint8_t type; 252 uint8_t qual; 253 uint8_t version; 254 uint8_t rsvd; 255 uint8_t len; 256 char class[3]; 257 char vendor_id[8]; 258 char product_id[16]; 259 char rev[4]; 260 }; 261 262 struct scsi_generic_cdb { 263 int len; /* cdb length (in bytes) */ 264 uint8_t cdb[28]; /* cdb to use on next read/write */ 265 }; 266
Indexes created Wed Oct 01 15:09:59 GMT 2025