scsipiconf.c revision 1.10
1 /* $NetBSD: scsipiconf.c,v 1.10 2000/06/09 08:54:25 enami Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 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. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Originally written by Julian Elischer (julian (at) tfs.com) 41 * for TRW Financial Systems for use under the MACH(2.5) operating system. 42 * 43 * TRW Financial Systems, in accordance with their agreement with Carnegie 44 * Mellon University, makes this software available to CMU to distribute 45 * or use in any manner that they see fit as long as this message is kept with 46 * the software. For this reason TFS also grants any other persons or 47 * organisations permission to use or modify this software. 48 * 49 * TFS supplies this software to be publicly redistributed 50 * on the understanding that TFS is not responsible for the correct 51 * functioning of this software in any circumstances. 52 * 53 * Ported to run under 386BSD by Julian Elischer (julian (at) tfs.com) Sept 1992 54 */ 55 56 #include <sys/types.h> 57 #include <sys/param.h> 58 #include <sys/systm.h> 59 #include <sys/malloc.h> 60 #include <sys/device.h> 61 #include <sys/proc.h> 62 63 #include <vm/vm.h> 64 65 #include <dev/scsipi/scsipi_all.h> 66 #include <dev/scsipi/scsipiconf.h> 67 68 int 69 scsipi_command(sc_link, cmd, cmdlen, data_addr, datalen, retries, timeout, bp, 70 flags) 71 struct scsipi_link *sc_link; 72 struct scsipi_generic *cmd; 73 int cmdlen; 74 u_char *data_addr; 75 int datalen; 76 int retries; 77 int timeout; 78 struct buf *bp; 79 int flags; 80 { 81 int error; 82 83 if ((flags & XS_CTL_DATA_ONSTACK) != 0) { 84 /* 85 * If the I/O buffer is allocated on stack, the 86 * process must NOT be swapped out, as the device will 87 * be accessing the stack. 88 */ 89 PHOLD(curproc); 90 } 91 error = (*sc_link->scsipi_cmd)(sc_link, cmd, cmdlen, data_addr, 92 datalen, retries, timeout, bp, flags); 93 if ((flags & XS_CTL_DATA_ONSTACK) != 0) 94 PRELE(curproc); 95 return (error); 96 } 97 98 /* 99 * Return a priority based on how much of the inquiry data matches 100 * the patterns for the particular driver. 101 */ 102 caddr_t 103 scsipi_inqmatch(inqbuf, base, nmatches, matchsize, bestpriority) 104 struct scsipi_inquiry_pattern *inqbuf; 105 caddr_t base; 106 int nmatches, matchsize; 107 int *bestpriority; 108 { 109 u_int8_t type; 110 caddr_t bestmatch; 111 112 /* Include the qualifier to catch vendor-unique types. */ 113 type = inqbuf->type; 114 115 for (*bestpriority = 0, bestmatch = 0; nmatches--; base += matchsize) { 116 struct scsipi_inquiry_pattern *match = (void *)base; 117 int priority, len; 118 119 if (type != match->type) 120 continue; 121 if (inqbuf->removable != match->removable) 122 continue; 123 priority = 2; 124 len = strlen(match->vendor); 125 if (bcmp(inqbuf->vendor, match->vendor, len)) 126 continue; 127 priority += len; 128 len = strlen(match->product); 129 if (bcmp(inqbuf->product, match->product, len)) 130 continue; 131 priority += len; 132 len = strlen(match->revision); 133 if (bcmp(inqbuf->revision, match->revision, len)) 134 continue; 135 priority += len; 136 137 #ifdef SCSIDEBUG 138 printf("scsipi_inqmatch: %d/%d/%d <%s, %s, %s>\n", 139 priority, match->type, match->removable, 140 match->vendor, match->product, match->revision); 141 #endif 142 if (priority > *bestpriority) { 143 *bestpriority = priority; 144 bestmatch = base; 145 } 146 } 147 148 return (bestmatch); 149 } 150 151 char * 152 scsipi_dtype(type) 153 int type; 154 { 155 char *dtype; 156 157 switch (type) { 158 case T_DIRECT: 159 dtype = "direct"; 160 break; 161 case T_SEQUENTIAL: 162 dtype = "sequential"; 163 break; 164 case T_PRINTER: 165 dtype = "printer"; 166 break; 167 case T_PROCESSOR: 168 dtype = "processor"; 169 break; 170 case T_WORM: 171 dtype = "worm"; 172 break; 173 case T_CDROM: 174 dtype = "cdrom"; 175 break; 176 case T_SCANNER: 177 dtype = "scanner"; 178 break; 179 case T_OPTICAL: 180 dtype = "optical"; 181 break; 182 case T_CHANGER: 183 dtype = "changer"; 184 break; 185 case T_COMM: 186 dtype = "communication"; 187 break; 188 case T_IT8_1: 189 case T_IT8_2: 190 dtype = "graphic arts pre-press"; 191 break; 192 case T_STORARRAY: 193 dtype = "storage array"; 194 break; 195 case T_ENCLOSURE: 196 dtype = "enclosure services"; 197 break; 198 case T_SIMPLE_DIRECT: 199 dtype = "simplified direct"; 200 break; 201 case T_OPTIC_CARD_RW: 202 dtype = "optical card r/w"; 203 break; 204 case T_OBJECT_STORED: 205 dtype = "object-based storage"; 206 break; 207 case T_NODEVICE: 208 panic("scsipi_dtype: impossible device type"); 209 default: 210 dtype = "unknown"; 211 break; 212 } 213 return (dtype); 214 } 215 216 void 217 scsipi_strvis(dst, dlen, src, slen) 218 u_char *dst, *src; 219 int dlen, slen; 220 { 221 222 /* Trim leading and trailing blanks and NULs. */ 223 while (slen > 0 && (src[0] == ' ' || src[0] == '\0')) 224 ++src, --slen; 225 while (slen > 0 && (src[slen-1] == ' ' || src[slen-1] == '\0')) 226 --slen; 227 228 while (slen > 0) { 229 if (*src < 0x20 || *src >= 0x80) { 230 /* non-printable characters */ 231 dlen -= 4; 232 if (dlen < 1) 233 break; 234 *dst++ = '\\'; 235 *dst++ = ((*src & 0300) >> 6) + '0'; 236 *dst++ = ((*src & 0070) >> 3) + '0'; 237 *dst++ = ((*src & 0007) >> 0) + '0'; 238 } else if (*src == '\\') { 239 /* quote characters */ 240 dlen -= 2; 241 if (dlen < 1) 242 break; 243 *dst++ = '\\'; 244 *dst++ = '\\'; 245 } else { 246 /* normal characters */ 247 if (--dlen < 1) 248 break; 249 *dst++ = *src; 250 } 251 ++src, --slen; 252 } 253 254 *dst++ = 0; 255 } 256
Indexes created Mon Sep 22 05:09:51 GMT 2025