scsi.c revision 1.2
1 /* $NetBSD: scsi.c,v 1.2 2013/01/20 07:32:45 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 /* 6/10/93P%$%98.1i%$%P$G%;%s%9%G!<%? */ 88 /* $ND9$5$r#8/usr/src/sys/luna68k/stand/SCCS/s.scsi.c$%H0JFb$K8GDj$7$F */ 89 u_char sensbuff[SENSBUFF]; /* #80J>e$OL50UL#$G$"$k!# */ 90 91 static struct scsi_inquiry inquirybuf; 92 static struct scsi_fmt_cdb inquiry = { 93 6, 94 { CMD_INQUIRY, 0, 0, 0, sizeof(inquirybuf), 0 } 95 }; 96 97 static u_long capacitybuf[2]; 98 struct scsi_fmt_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 (u_char *) &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 (u_char *) &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 ? [y/n]: ", 176 scsi_device); 177 i = getchar(); 178 printf("\n"); 179 if ((i != 'y') && (i != 'Y') && (i != 'n') && (i != 'N')) 180 i = 0; 181 } 182 183 if ((i == 'y') || (i == 'Y')) 184 status = scsi_format_unit( 0, scsi_device, 0); 185 } 186 187 return(ST_NORMAL); 188 } 189 190 static struct scsi_fmt_cdb scsi_cdb = { 191 10, 192 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } 193 }; 194 195 int 196 scsi_read_raw(u_int target, u_int blk, u_int nblk, u_char *buff, u_int len) 197 { 198 struct scsi_fmt_cdb *cdb = &scsi_cdb; 199 200 cdb->cdb[0] = CMD_READ_EXT; 201 202 cdb->cdb[2] = (blk & 0xff000000) >> 24; 203 cdb->cdb[3] = (blk & 0x00ff0000) >> 16; 204 cdb->cdb[4] = (blk & 0x0000ff00) >> 8; 205 cdb->cdb[5] = (blk & 0x000000ff); 206 207 cdb->cdb[7] = (nblk & 0xff00) >> 8; 208 cdb->cdb[8] = (nblk & 0x00ff); 209 210 if (scsi_immed_command(0, target, 0, cdb, buff, len) == 0) 211 return(1); 212 else 213 return(0); 214 } 215 216 int 217 scsi_read(u_int blk, u_char *buff, u_int len) 218 { 219 u_int nblk = len >> DEV_BSHIFT; 220 221 return(scsi_read_raw(scsi_device, blk, nblk, buff, len)); 222 } 223 224 int 225 scsi_write(u_int blk, u_char *buff, u_int len) 226 { 227 struct scsi_fmt_cdb *cdb = &scsi_cdb; 228 229 cdb->cdb[0] = CMD_WRITE_EXT; 230 231 cdb->cdb[2] = (blk & 0xff000000) >> 24; 232 cdb->cdb[3] = (blk & 0x00ff0000) >> 16; 233 cdb->cdb[4] = (blk & 0x0000ff00) >> 8; 234 cdb->cdb[5] = (blk & 0x000000ff); 235 236 cdb->cdb[7] = ((len >> DEV_BSHIFT) & 0xff00) >> 8; 237 cdb->cdb[8] = ((len >> DEV_BSHIFT) & 0x00ff); 238 239 if (scsi_immed_command(0, scsi_device, 0, cdb, buff, len) == 0) 240 return(1); 241 else 242 return(0); 243 } 244
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