1 /* $NetBSD: scsi.c,v 1.7 2015/02/14 05:58:02 tsutsui Exp $ */ 2 3 /* 4 * Copyright (c) 1992 OMRON Corporation. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * OMRON Corporation. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the University of 20 * California, Berkeley and its contributors. 21 * 4. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * @(#)scsi.c 8.1 (Berkeley) 6/10/93 38 */ 39 /* 40 * Copyright (c) 1992, 1993 41 * The Regents of the University of California. All rights reserved. 42 * 43 * This code is derived from software contributed to Berkeley by 44 * OMRON Corporation. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. Neither the name of the University nor the names of its contributors 55 * may be used to endorse or promote products derived from this software 56 * without specific prior written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 60 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 61 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 62 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 63 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 64 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 65 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 66 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 67 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 68 * SUCH DAMAGE. 69 * 70 * @(#)scsi.c 8.1 (Berkeley) 6/10/93 71 */ 72 73 /* 74 * scsi.c -- front end of SCSI test commands 75 * by A.Fujita, FEB-09-1992 76 */ 77 78 #include <sys/param.h> 79 #include <lib/libkern/libkern.h> 80 #include <luna68k/stand/boot/samachdep.h> 81 #include <luna68k/stand/boot/scsireg.h> 82 #include <luna68k/stand/boot/status.h> 83 84 85 int scsi_device = 6; 86 87 #define SENSBUFF 8 /* デバイスドライバでセンスデータ */ 88 /* の長さを８バイト以内に固定して */ 89 uint8_t sensbuff[SENSBUFF]; /* ８以上は無意味である。 */ 90 91 static struct scsi_inquiry inquirybuf; 92 static struct scsi_generic_cdb inquiry = { 93 6, 94 { CMD_INQUIRY, 0, 0, 0, sizeof(inquirybuf), 0 } 95 }; 96 97 static u_long capacitybuf[2]; 98 struct scsi_generic_cdb capacity = { 99 10, 100 { CMD_READ_CAPACITY, 0, 0, 0, 0, 0, 0, 0, 0, 0 } 101 }; 102 103 104 int 105 scsi(int argc, char *argv[]) 106 { 107 char *p; 108 int i, status; 109 110 if (argc < 2) { 111 printf("This command is required subcommand !!\n"); 112 return ST_ERROR; 113 } 114 115 if (!strcmp(argv[1], "device")) { 116 if (argc > 2) { 117 i = 0; 118 for (p = argv[2]; *p != '\0' ; p++) { 119 i = i * 10 + *p - '0'; 120 } 121 if (i < 8 && i >= 0) { 122 scsi_device = i; 123 } 124 } 125 printf("Current Device ID: %d\n", scsi_device); 126 } else if (!strcmp(argv[1], "test_unit_rdy")) { 127 /* CTLR SLAVE LUN */ 128 scsi_test_unit_rdy( 0, scsi_device, 0); 129 } else if (!strcmp(argv[1], "request_sense")) { 130 /* CTLR SLAVE LUN */ 131 scsi_request_sense( 0, scsi_device, 0, sensbuff, SENSBUFF); 132 } else if (!strcmp(argv[1], "inquiry")) { 133 if (scsi_immed_command( 0, scsi_device, 0, &inquiry, 134 (uint8_t *)&inquirybuf, sizeof(inquirybuf)) == 0) { 135 printf("Type:\t0x%x\n", inquirybuf.type); 136 printf("Qualifier:\t0x%x\n", inquirybuf.qual); 137 printf("Version:\t0x%x\n", inquirybuf.version); 138 printf("RDF:\t0x%x\n", inquirybuf.rsvd); 139 140 printf("Vender ID:\t"); 141 for (i = 0; i < 8; i++) 142 printf("%c", inquirybuf.vendor_id[i]); 143 printf("\n"); 144 145 printf("Product ID:\t"); 146 for (i = 0; i < 16; i++) 147 printf("%c", inquirybuf.product_id[i]); 148 printf("\n"); 149 150 printf("Revision:\t"); 151 for (i = 0; i < 4; i++) 152 printf("%c", inquirybuf.rev[i]); 153 printf("\n"); 154 } 155 } else if (!strcmp(argv[1], "read_capacity")) { 156 if (scsi_immed_command( 0, scsi_device, 0, &capacity, 157 (uint8_t *)&capacitybuf, sizeof(capacitybuf)) == 0) { 158 printf("Logical Block Address:\t%ld (0x%lx)\n", 159 capacitybuf[0], capacitybuf[0]); 160 printf("Block Length:\t\t%ld (0x%lx)\n", 161 capacitybuf[1], capacitybuf[1]); 162 } 163 } else if (!strcmp(argv[1], "trace")) { 164 for (i = 0; i < 7; i++) { 165 printf("SCSI ID %d .... ", i); 166 status = scsi_test_unit_rdy(0, i, 0); 167 if (status >= 0) 168 printf("found.\n"); 169 else 170 printf("no.\n"); 171 } 172 } else if (!strcmp(argv[1], "format_unit")) { 173 i = 0; 174 while (i == 0) { 175 printf("Do you really want to format SCSI %d device ?" 176 " [y/n]: ", scsi_device); 177 i = getchar(); 178 printf("\n"); 179 if ((i != 'y') && (i != 'Y') && 180 (i != 'n') && (i != 'N')) 181 i = 0; 182 } 183 184 if ((i == 'y') || (i == 'Y')) 185 status = scsi_format_unit(0, scsi_device, 0); 186 } 187 188 return ST_NORMAL; 189 } 190 191 static struct scsi_generic_cdb scsi_cdb = { 192 10, 193 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } 194 }; 195 196 int 197 scsi_read_raw(u_int target, u_int blk, u_int nblk, uint8_t *buff, u_int len) 198 { 199 struct scsi_generic_cdb *cdb = &scsi_cdb; 200 201 cdb->cdb[0] = CMD_READ_EXT; 202 203 cdb->cdb[2] = (blk & 0xff000000) >> 24; 204 cdb->cdb[3] = (blk & 0x00ff0000) >> 16; 205 cdb->cdb[4] = (blk & 0x0000ff00) >> 8; 206 cdb->cdb[5] = (blk & 0x000000ff); 207 208 cdb->cdb[7] = (nblk & 0xff00) >> 8; 209 cdb->cdb[8] = (nblk & 0x00ff); 210 211 if (scsi_immed_command(0, target, 0, cdb, buff, len) == 0) 212 return 1; 213 else 214 return 0; 215 } 216 217 int 218 scsi_read(u_int blk, uint8_t *buff, u_int len) 219 { 220 u_int nblk = len >> DEV_BSHIFT; 221 222 return scsi_read_raw(scsi_device, blk, nblk, buff, len); 223 } 224 225 int 226 scsi_write(u_int blk, uint8_t *buff, u_int len) 227 { 228 struct scsi_generic_cdb *cdb = &scsi_cdb; 229 230 cdb->cdb[0] = CMD_WRITE_EXT; 231 232 cdb->cdb[2] = (blk & 0xff000000) >> 24; 233 cdb->cdb[3] = (blk & 0x00ff0000) >> 16; 234 cdb->cdb[4] = (blk & 0x0000ff00) >> 8; 235 cdb->cdb[5] = (blk & 0x000000ff); 236 237 cdb->cdb[7] = ((len >> DEV_BSHIFT) & 0xff00) >> 8; 238 cdb->cdb[8] = ((len >> DEV_BSHIFT) & 0x00ff); 239 240 if (scsi_immed_command(0, scsi_device, 0, cdb, buff, len) == 0) 241 return 1; 242 else 243 return 0; 244 } 245