scsipiconf.c revision 1.9 1 /* $NetBSD: scsipiconf.c,v 1.9 2000/05/15 16:35:49 dante 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
62 #include <dev/scsipi/scsipi_all.h>
63 #include <dev/scsipi/scsipiconf.h>
64
65 /*
66 * Return a priority based on how much of the inquiry data matches
67 * the patterns for the particular driver.
68 */
69 caddr_t
70 scsipi_inqmatch(inqbuf, base, nmatches, matchsize, bestpriority)
71 struct scsipi_inquiry_pattern *inqbuf;
72 caddr_t base;
73 int nmatches, matchsize;
74 int *bestpriority;
75 {
76 u_int8_t type;
77 caddr_t bestmatch;
78
79 /* Include the qualifier to catch vendor-unique types. */
80 type = inqbuf->type;
81
82 for (*bestpriority = 0, bestmatch = 0; nmatches--; base += matchsize) {
83 struct scsipi_inquiry_pattern *match = (void *)base;
84 int priority, len;
85
86 if (type != match->type)
87 continue;
88 if (inqbuf->removable != match->removable)
89 continue;
90 priority = 2;
91 len = strlen(match->vendor);
92 if (bcmp(inqbuf->vendor, match->vendor, len))
93 continue;
94 priority += len;
95 len = strlen(match->product);
96 if (bcmp(inqbuf->product, match->product, len))
97 continue;
98 priority += len;
99 len = strlen(match->revision);
100 if (bcmp(inqbuf->revision, match->revision, len))
101 continue;
102 priority += len;
103
104 #ifdef SCSIDEBUG
105 printf("scsipi_inqmatch: %d/%d/%d <%s, %s, %s>\n",
106 priority, match->type, match->removable,
107 match->vendor, match->product, match->revision);
108 #endif
109 if (priority > *bestpriority) {
110 *bestpriority = priority;
111 bestmatch = base;
112 }
113 }
114
115 return (bestmatch);
116 }
117
118 char *
119 scsipi_dtype(type)
120 int type;
121 {
122 char *dtype;
123
124 switch (type) {
125 case T_DIRECT:
126 dtype = "direct";
127 break;
128 case T_SEQUENTIAL:
129 dtype = "sequential";
130 break;
131 case T_PRINTER:
132 dtype = "printer";
133 break;
134 case T_PROCESSOR:
135 dtype = "processor";
136 break;
137 case T_WORM:
138 dtype = "worm";
139 break;
140 case T_CDROM:
141 dtype = "cdrom";
142 break;
143 case T_SCANNER:
144 dtype = "scanner";
145 break;
146 case T_OPTICAL:
147 dtype = "optical";
148 break;
149 case T_CHANGER:
150 dtype = "changer";
151 break;
152 case T_COMM:
153 dtype = "communication";
154 break;
155 case T_IT8_1:
156 case T_IT8_2:
157 dtype = "graphic arts pre-press";
158 break;
159 case T_STORARRAY:
160 dtype = "storage array";
161 break;
162 case T_ENCLOSURE:
163 dtype = "enclosure services";
164 break;
165 case T_SIMPLE_DIRECT:
166 dtype = "simplified direct";
167 break;
168 case T_OPTIC_CARD_RW:
169 dtype = "optical card r/w";
170 break;
171 case T_OBJECT_STORED:
172 dtype = "object-based storage";
173 break;
174 case T_NODEVICE:
175 panic("scsipi_dtype: impossible device type");
176 default:
177 dtype = "unknown";
178 break;
179 }
180 return (dtype);
181 }
182
183 void
184 scsipi_strvis(dst, dlen, src, slen)
185 u_char *dst, *src;
186 int dlen, slen;
187 {
188
189 /* Trim leading and trailing blanks and NULs. */
190 while (slen > 0 && (src[0] == ' ' || src[0] == '\0'))
191 ++src, --slen;
192 while (slen > 0 && (src[slen-1] == ' ' || src[slen-1] == '\0'))
193 --slen;
194
195 while (slen > 0) {
196 if (*src < 0x20 || *src >= 0x80) {
197 /* non-printable characters */
198 dlen -= 4;
199 if (dlen < 1)
200 break;
201 *dst++ = '\\';
202 *dst++ = ((*src & 0300) >> 6) + '0';
203 *dst++ = ((*src & 0070) >> 3) + '0';
204 *dst++ = ((*src & 0007) >> 0) + '0';
205 } else if (*src == '\\') {
206 /* quote characters */
207 dlen -= 2;
208 if (dlen < 1)
209 break;
210 *dst++ = '\\';
211 *dst++ = '\\';
212 } else {
213 /* normal characters */
214 if (--dlen < 1)
215 break;
216 *dst++ = *src;
217 }
218 ++src, --slen;
219 }
220
221 *dst++ = 0;
222 }
223