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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  *	$Id$
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 	case 0x03:
156 	case 0x12:
157 		return block_ioctl(tcp, code, arg);
158 #ifndef HAVE_ANDROID_OS
159 	case 0x22:
160 		return scsi_ioctl(tcp, code, arg);
161 #endif
162 #endif
163 	default:
164 		break;
165 	}
166 	return 0;
167 }
168 
169 /*
170  * Registry of ioctl characters, culled from
171  *	@(#)ioccom.h 1.7 89/06/16 SMI; from UCB ioctl.h 7.1 6/4/86
172  *
173  * char	file where defined		notes
174  * ----	------------------		-----
175  *   F	sun/fbio.h
176  *   G	sun/gpio.h
177  *   H	vaxif/if_hy.h
178  *   M	sundev/mcpcmd.h			*overlap*
179  *   M	sys/modem.h			*overlap*
180  *   S	sys/stropts.h
181  *   T	sys/termio.h			-no overlap-
182  *   T	sys/termios.h			-no overlap-
183  *   V	sundev/mdreg.h
184  *   a	vaxuba/adreg.h
185  *   d	sun/dkio.h			-no overlap with sys/des.h-
186  *   d	sys/des.h			(possible overlap)
187  *   d	vax/dkio.h			(possible overlap)
188  *   d	vaxuba/rxreg.h			(possible overlap)
189  *   f	sys/filio.h
190  *   g	sunwindow/win_ioctl.h		-no overlap-
191  *   g	sunwindowdev/winioctl.c		!no manifest constant! -no overlap-
192  *   h	sundev/hrc_common.h
193  *   i	sys/sockio.h			*overlap*
194  *   i	vaxuba/ikreg.h			*overlap*
195  *   k	sundev/kbio.h
196  *   m	sundev/msio.h			(possible overlap)
197  *   m	sundev/msreg.h			(possible overlap)
198  *   m	sys/mtio.h			(possible overlap)
199  *   n	sun/ndio.h
200  *   p	net/nit_buf.h			(possible overlap)
201  *   p	net/nit_if.h			(possible overlap)
202  *   p	net/nit_pf.h			(possible overlap)
203  *   p	sundev/fpareg.h			(possible overlap)
204  *   p	sys/sockio.h			(possible overlap)
205  *   p	vaxuba/psreg.h			(possible overlap)
206  *   q	sun/sqz.h
207  *   r	sys/sockio.h
208  *   s	sys/sockio.h
209  *   t	sys/ttold.h			(possible overlap)
210  *   t	sys/ttycom.h			(possible overlap)
211  *   v	sundev/vuid_event.h		*overlap*
212  *   v	sys/vcmd.h			*overlap*
213  *
214  * End of Registry
215  */
216