scsipiconf.c revision 1.12
1 /* $NetBSD: scsipiconf.c,v 1.12 2000/12/31 17:54:29 ad 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 <uvm/uvm_extern.h> 64 65 #include <dev/scsipi/scsipi_all.h> 66 #include <dev/scsipi/scsipiconf.h> 67 68 #define STRVIS_ISWHITE(x) ((x) == ' ' || (x) == '\0' || (x) == (u_char)'\377') 69 70 int 71 scsipi_command(sc_link, cmd, cmdlen, data_addr, datalen, retries, timeout, bp, 72 flags) 73 struct scsipi_link *sc_link; 74 struct scsipi_generic *cmd; 75 int cmdlen; 76 u_char *data_addr; 77 int datalen; 78 int retries; 79 int timeout; 80 struct buf *bp; 81 int flags; 82 { 83 int error; 84 85 if ((flags & XS_CTL_DATA_ONSTACK) != 0) { 86 /* 87 * If the I/O buffer is allocated on stack, the 88 * process must NOT be swapped out, as the device will 89 * be accessing the stack. 90 */ 91 PHOLD(curproc); 92 } 93 error = (*sc_link->scsipi_cmd)(sc_link, cmd, cmdlen, data_addr, 94 datalen, retries, timeout, bp, flags); 95 if ((flags & XS_CTL_DATA_ONSTACK) != 0) 96 PRELE(curproc); 97 return (error); 98 } 99 100 /* 101 * Return a priority based on how much of the inquiry data matches 102 * the patterns for the particular driver. 103 */ 104 caddr_t 105 scsipi_inqmatch(inqbuf, base, nmatches, matchsize, bestpriority) 106 struct scsipi_inquiry_pattern *inqbuf; 107 caddr_t base; 108 int nmatches, matchsize; 109 int *bestpriority; 110 { 111 u_int8_t type; 112 caddr_t bestmatch; 113 114 /* Include the qualifier to catch vendor-unique types. */ 115 type = inqbuf->type; 116 117 for (*bestpriority = 0, bestmatch = 0; nmatches--; base += matchsize) { 118 struct scsipi_inquiry_pattern *match = (void *)base; 119 int priority, len; 120 121 if (type != match->type) 122 continue; 123 if (inqbuf->removable != match->removable) 124 continue; 125 priority = 2; 126 len = strlen(match->vendor); 127 if (bcmp(inqbuf->vendor, match->vendor, len)) 128 continue; 129 priority += len; 130 len = strlen(match->product); 131 if (bcmp(inqbuf->product, match->product, len)) 132 continue; 133 priority += len; 134 len = strlen(match->revision); 135 if (bcmp(inqbuf->revision, match->revision, len)) 136 continue; 137 priority += len; 138 139 #ifdef SCSIDEBUG 140 printf("scsipi_inqmatch: %d/%d/%d <%s, %s, %s>\n", 141 priority, match->type, match->removable, 142 match->vendor, match->product, match->revision); 143 #endif 144 if (priority > *bestpriority) { 145 *bestpriority = priority; 146 bestmatch = base; 147 } 148 } 149 150 return (bestmatch); 151 } 152 153 char * 154 scsipi_dtype(type) 155 int type; 156 { 157 char *dtype; 158 159 switch (type) { 160 case T_DIRECT: 161 dtype = "direct"; 162 break; 163 case T_SEQUENTIAL: 164 dtype = "sequential"; 165 break; 166 case T_PRINTER: 167 dtype = "printer"; 168 break; 169 case T_PROCESSOR: 170 dtype = "processor"; 171 break; 172 case T_WORM: 173 dtype = "worm"; 174 break; 175 case T_CDROM: 176 dtype = "cdrom"; 177 break; 178 case T_SCANNER: 179 dtype = "scanner"; 180 break; 181 case T_OPTICAL: 182 dtype = "optical"; 183 break; 184 case T_CHANGER: 185 dtype = "changer"; 186 break; 187 case T_COMM: 188 dtype = "communication"; 189 break; 190 case T_IT8_1: 191 case T_IT8_2: 192 dtype = "graphic arts pre-press"; 193 break; 194 case T_STORARRAY: 195 dtype = "storage array"; 196 break; 197 case T_ENCLOSURE: 198 dtype = "enclosure services"; 199 break; 200 case T_SIMPLE_DIRECT: 201 dtype = "simplified direct"; 202 break; 203 case T_OPTIC_CARD_RW: 204 dtype = "optical card r/w"; 205 break; 206 case T_OBJECT_STORED: 207 dtype = "object-based storage"; 208 break; 209 case T_NODEVICE: 210 panic("scsipi_dtype: impossible device type"); 211 default: 212 dtype = "unknown"; 213 break; 214 } 215 return (dtype); 216 } 217 218 void 219 scsipi_strvis(dst, dlen, src, slen) 220 u_char *dst, *src; 221 int dlen, slen; 222 { 223 224 /* Trim leading and trailing blanks and NULs. */ 225 while (slen > 0 && STRVIS_ISWHITE(src[0])) 226 ++src, --slen; 227 while (slen > 0 && STRVIS_ISWHITE(src[slen - 1])) 228 --slen; 229 230 while (slen > 0) { 231 if (*src < 0x20 || *src >= 0x80) { 232 /* non-printable characters */ 233 dlen -= 4; 234 if (dlen < 1) 235 break; 236 *dst++ = '\\'; 237 *dst++ = ((*src & 0300) >> 6) + '0'; 238 *dst++ = ((*src & 0070) >> 3) + '0'; 239 *dst++ = ((*src & 0007) >> 0) + '0'; 240 } else if (*src == '\\') { 241 /* quote characters */ 242 dlen -= 2; 243 if (dlen < 1) 244 break; 245 *dst++ = '\\'; 246 *dst++ = '\\'; 247 } else { 248 /* normal characters */ 249 if (--dlen < 1) 250 break; 251 *dst++ = *src; 252 } 253 ++src, --slen; 254 } 255 256 *dst++ = 0; 257 } 258
Indexes created Tue Sep 23 07:09:52 GMT 2025