1 /*
2 * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
3 * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
4 * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
5 * Copyright (c) 1996-2001 Wichert Akkerman <wichert@cistron.nl>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 * $Id: ioctl.c,v 1.14 2005/02/02 20:32:13 roland Exp $
31 */
32
33 #include "defs.h"
34
35 const struct ioctlent ioctlent0[] = {
36 /*
37 * `ioctlent.h' may be generated from `ioctlent.raw' by the auxiliary
38 * program `ioctlsort', such that the list is sorted by the `code' field.
39 * This has the side-effect of resolving the _IO.. macros into
40 * plain integers, eliminating the need to include here everything
41 * in "/usr/include" .
42 */
43 #include "ioctlent.h"
44 };
45
46 #ifdef LINUX
47 #include <asm/ioctl.h>
48 #endif
49
50 const int nioctlents0 = sizeof ioctlent0 / sizeof ioctlent0[0];
51
52 #if SUPPORTED_PERSONALITIES >= 2
53 const struct ioctlent ioctlent1[] = {
54 #include "ioctlent1.h"
55 };
56
57 const int nioctlents1 = sizeof ioctlent1 / sizeof ioctlent1[0];
58 #endif /* SUPPORTED_PERSONALITIES >= 2 */
59
60 #if SUPPORTED_PERSONALITIES >= 3
61 const struct ioctlent ioctlent2[] = {
62 #include "ioctlent2.h"
63 };
64
65 const int nioctlents2 = sizeof ioctlent2 / sizeof ioctlent2[0];
66 #endif /* SUPPORTED_PERSONALITIES >= 3 */
67
68 const struct ioctlent *ioctlent;
69 int nioctlents;
70
71 static int
compare(a,b)72 compare(a, b)
73 const void *a;
74 const void *b;
75 {
76 unsigned long code1 = ((struct ioctlent *) a)->code;
77 unsigned long code2 = ((struct ioctlent *) b)->code;
78 return (code1 > code2) ? 1 : (code1 < code2) ? -1 : 0;
79 }
80
81 const struct ioctlent *
ioctl_lookup(code)82 ioctl_lookup(code)
83 long code;
84 {
85 struct ioctlent *iop, ioent;
86
87 ioent.code = code;
88 #ifdef LINUX
89 ioent.code &= (_IOC_NRMASK<<_IOC_NRSHIFT) | (_IOC_TYPEMASK<<_IOC_TYPESHIFT);
90 #endif
91 iop = (struct ioctlent *) bsearch((char *) &ioent, (char *) ioctlent,
92 nioctlents, sizeof(struct ioctlent), compare);
93 while (iop > ioctlent)
94 if ((--iop)->code != ioent.code) {
95 iop++;
96 break;
97 }
98 return iop;
99 }
100
101 const struct ioctlent *
ioctl_next_match(iop)102 ioctl_next_match(iop)
103 const struct ioctlent *iop;
104 {
105 long code;
106
107 code = (iop++)->code;
108 if (iop < ioctlent + nioctlents && iop->code == code)
109 return iop;
110 return NULL;
111 }
112
113 int
ioctl_decode(tcp,code,arg)114 ioctl_decode(tcp, code, arg)
115 struct tcb *tcp;
116 long code, arg;
117 {
118 switch ((code >> 8) & 0xff) {
119 #ifdef LINUX
120 #if defined(ALPHA) || defined(POWERPC)
121 case 'f': case 't': case 'T':
122 #else /* !ALPHA */
123 case 0x54:
124 #endif /* !ALPHA */
125 #else /* !LINUX */
126 case 'f': case 't': case 'T':
127 #endif /* !LINUX */
128 return term_ioctl(tcp, code, arg);
129 #ifdef LINUX
130 case 0x89:
131 #else /* !LINUX */
132 case 'r': case 's': case 'i':
133 #ifndef FREEBSD
134 case 'p':
135 #endif
136 #endif /* !LINUX */
137 return sock_ioctl(tcp, code, arg);
138 #ifdef USE_PROCFS
139 #ifndef HAVE_MP_PROCFS
140 #ifndef FREEBSD
141 case 'q':
142 #else
143 case 'p':
144 #endif
145 return proc_ioctl(tcp, code, arg);
146 #endif
147 #endif /* USE_PROCFS */
148 #ifdef HAVE_SYS_STREAM_H
149 case 'S':
150 return stream_ioctl(tcp, code, arg);
151 #endif /* HAVE_SYS_STREAM_H */
152 #ifdef LINUX
153 case 'p':
154 return rtc_ioctl(tcp, code, arg);
155 #endif
156 default:
157 break;
158 }
159 return 0;
160 }
161
162 /*
163 * Registry of ioctl characters, culled from
164 * @(#)ioccom.h 1.7 89/06/16 SMI; from UCB ioctl.h 7.1 6/4/86
165 *
166 * char file where defined notes
167 * ---- ------------------ -----
168 * F sun/fbio.h
169 * G sun/gpio.h
170 * H vaxif/if_hy.h
171 * M sundev/mcpcmd.h *overlap*
172 * M sys/modem.h *overlap*
173 * S sys/stropts.h
174 * T sys/termio.h -no overlap-
175 * T sys/termios.h -no overlap-
176 * V sundev/mdreg.h
177 * a vaxuba/adreg.h
178 * d sun/dkio.h -no overlap with sys/des.h-
179 * d sys/des.h (possible overlap)
180 * d vax/dkio.h (possible overlap)
181 * d vaxuba/rxreg.h (possible overlap)
182 * f sys/filio.h
183 * g sunwindow/win_ioctl.h -no overlap-
184 * g sunwindowdev/winioctl.c !no manifest constant! -no overlap-
185 * h sundev/hrc_common.h
186 * i sys/sockio.h *overlap*
187 * i vaxuba/ikreg.h *overlap*
188 * k sundev/kbio.h
189 * m sundev/msio.h (possible overlap)
190 * m sundev/msreg.h (possible overlap)
191 * m sys/mtio.h (possible overlap)
192 * n sun/ndio.h
193 * p net/nit_buf.h (possible overlap)
194 * p net/nit_if.h (possible overlap)
195 * p net/nit_pf.h (possible overlap)
196 * p sundev/fpareg.h (possible overlap)
197 * p sys/sockio.h (possible overlap)
198 * p vaxuba/psreg.h (possible overlap)
199 * q sun/sqz.h
200 * r sys/sockio.h
201 * s sys/sockio.h
202 * t sys/ttold.h (possible overlap)
203 * t sys/ttycom.h (possible overlap)
204 * v sundev/vuid_event.h *overlap*
205 * v sys/vcmd.h *overlap*
206 *
207 * End of Registry
208 */
209