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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* $Id: sunos_ioctl.c,v 1.34 2000/09/03 14:10:56 anton Exp $
2 * sunos_ioctl.c: The Linux Operating system: SunOS ioctl compatibility.
3 *
4 * Copyright (C) 1995 Miguel de Icaza (miguel@nuclecu.unam.mx)
5 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
6 */
7
8#include <asm/uaccess.h>
9
10#include <linux/sched.h>
11#include <linux/errno.h>
12#include <linux/string.h>
13#include <linux/termios.h>
14#include <linux/ioctl.h>
15#include <linux/route.h>
16#include <linux/sockios.h>
17#include <linux/if.h>
18#include <linux/netdevice.h>
19#include <linux/if_arp.h>
20#include <linux/fs.h>
21#include <linux/mm.h>
22#include <linux/smp.h>
23#include <linux/smp_lock.h>
24#include <linux/syscalls.h>
25#include <linux/file.h>
26#include <asm/kbio.h>
27
28#if 0
29extern char sunkbd_type;
30extern char sunkbd_layout;
31#endif
32
33/* NR_OPEN is now larger and dynamic in recent kernels. */
34#define SUNOS_NR_OPEN 256
35
36asmlinkage int sunos_ioctl (int fd, unsigned long cmd, unsigned long arg)
37{
38 int ret = -EBADF;
39
40 if (fd >= SUNOS_NR_OPEN || !fcheck(fd))
41 goto out;
42
43 /* First handle an easy compat. case for tty ldisc. */
44 if (cmd == TIOCSETD) {
45 int __user *p;
46 int ntty = N_TTY, tmp;
47 mm_segment_t oldfs;
48
49 p = (int __user *) arg;
50 ret = -EFAULT;
51 if (get_user(tmp, p))
52 goto out;
53 if (tmp == 2) {
54 oldfs = get_fs();
55 set_fs(KERNEL_DS);
56 ret = sys_ioctl(fd, cmd, (unsigned long) &ntty);
57 set_fs(oldfs);
58 ret = (ret == -EINVAL ? -EOPNOTSUPP : ret);
59 goto out;
60 }
61 }
62
63 /* Binary compatibility is good American knowhow fuckin' up. */
64 if (cmd == TIOCNOTTY) {
65 ret = sys_setsid();
66 goto out;
67 }
68
69 /* SunOS networking ioctls. */
70 switch (cmd) {
71 case _IOW('r', 10, struct rtentry):
72 ret = sys_ioctl(fd, SIOCADDRT, arg);
73 goto out;
74 case _IOW('r', 11, struct rtentry):
75 ret = sys_ioctl(fd, SIOCDELRT, arg);
76 goto out;
77 case _IOW('i', 12, struct ifreq):
78 ret = sys_ioctl(fd, SIOCSIFADDR, arg);
79 goto out;
80 case _IOWR('i', 13, struct ifreq):
81 ret = sys_ioctl(fd, SIOCGIFADDR, arg);
82 goto out;
83 case _IOW('i', 14, struct ifreq):
84 ret = sys_ioctl(fd, SIOCSIFDSTADDR, arg);
85 goto out;
86 case _IOWR('i', 15, struct ifreq):
87 ret = sys_ioctl(fd, SIOCGIFDSTADDR, arg);
88 goto out;
89 case _IOW('i', 16, struct ifreq):
90 ret = sys_ioctl(fd, SIOCSIFFLAGS, arg);
91 goto out;
92 case _IOWR('i', 17, struct ifreq):
93 ret = sys_ioctl(fd, SIOCGIFFLAGS, arg);
94 goto out;
95 case _IOW('i', 18, struct ifreq):
96 ret = sys_ioctl(fd, SIOCSIFMEM, arg);
97 goto out;
98 case _IOWR('i', 19, struct ifreq):
99 ret = sys_ioctl(fd, SIOCGIFMEM, arg);
100 goto out;
101 case _IOWR('i', 20, struct ifconf):
102 ret = sys_ioctl(fd, SIOCGIFCONF, arg);
103 goto out;
104 case _IOW('i', 21, struct ifreq): /* SIOCSIFMTU */
105 ret = sys_ioctl(fd, SIOCSIFMTU, arg);
106 goto out;
107 case _IOWR('i', 22, struct ifreq): /* SIOCGIFMTU */
108 ret = sys_ioctl(fd, SIOCGIFMTU, arg);
109 goto out;
110
111 case _IOWR('i', 23, struct ifreq):
112 ret = sys_ioctl(fd, SIOCGIFBRDADDR, arg);
113 goto out;
114 case _IOW('i', 24, struct ifreq):
115 ret = sys_ioctl(fd, SIOCSIFBRDADDR, arg);
116 goto out;
117 case _IOWR('i', 25, struct ifreq):
118 ret = sys_ioctl(fd, SIOCGIFNETMASK, arg);
119 goto out;
120 case _IOW('i', 26, struct ifreq):
121 ret = sys_ioctl(fd, SIOCSIFNETMASK, arg);
122 goto out;
123 case _IOWR('i', 27, struct ifreq):
124 ret = sys_ioctl(fd, SIOCGIFMETRIC, arg);
125 goto out;
126 case _IOW('i', 28, struct ifreq):
127 ret = sys_ioctl(fd, SIOCSIFMETRIC, arg);
128 goto out;
129
130 case _IOW('i', 30, struct arpreq):
131 ret = sys_ioctl(fd, SIOCSARP, arg);
132 goto out;
133 case _IOWR('i', 31, struct arpreq):
134 ret = sys_ioctl(fd, SIOCGARP, arg);
135 goto out;
136 case _IOW('i', 32, struct arpreq):
137 ret = sys_ioctl(fd, SIOCDARP, arg);
138 goto out;
139
140 case _IOW('i', 40, struct ifreq): /* SIOCUPPER */
141 case _IOW('i', 41, struct ifreq): /* SIOCLOWER */
142 case _IOW('i', 44, struct ifreq): /* SIOCSETSYNC */
143 case _IOW('i', 45, struct ifreq): /* SIOCGETSYNC */
144 case _IOW('i', 46, struct ifreq): /* SIOCSSDSTATS */
145 case _IOW('i', 47, struct ifreq): /* SIOCSSESTATS */
146 case _IOW('i', 48, struct ifreq): /* SIOCSPROMISC */
147 ret = -EOPNOTSUPP;
148 goto out;
149
150 case _IOW('i', 49, struct ifreq):
151 ret = sys_ioctl(fd, SIOCADDMULTI, arg);
152 goto out;
153 case _IOW('i', 50, struct ifreq):
154 ret = sys_ioctl(fd, SIOCDELMULTI, arg);
155 goto out;
156
157 /* FDDI interface ioctls, unsupported. */
158
159 case _IOW('i', 51, struct ifreq): /* SIOCFDRESET */
160 case _IOW('i', 52, struct ifreq): /* SIOCFDSLEEP */
161 case _IOW('i', 53, struct ifreq): /* SIOCSTRTFMWAR */
162 case _IOW('i', 54, struct ifreq): /* SIOCLDNSTRTFW */
163 case _IOW('i', 55, struct ifreq): /* SIOCGETFDSTAT */
164 case _IOW('i', 56, struct ifreq): /* SIOCFDNMIINT */
165 case _IOW('i', 57, struct ifreq): /* SIOCFDEXUSER */
166 case _IOW('i', 58, struct ifreq): /* SIOCFDGNETMAP */
167 case _IOW('i', 59, struct ifreq): /* SIOCFDGIOCTL */
168 printk("FDDI ioctl, returning EOPNOTSUPP\n");
169 ret = -EOPNOTSUPP;
170 goto out;
171
172 case _IOW('t', 125, int):
173 /* More stupid tty sunos ioctls, just
174 * say it worked.
175 */
176 ret = 0;
177 goto out;
178 /* Non posix grp */
179 case _IOW('t', 118, int): {
180 int oldval, newval, __user *ptr;
181
182 cmd = TIOCSPGRP;
183 ptr = (int __user *) arg;
184 ret = -EFAULT;
185 if (get_user(oldval, ptr))
186 goto out;
187 ret = sys_ioctl(fd, cmd, arg);
188 __get_user(newval, ptr);
189 if (newval == -1) {
190 __put_user(oldval, ptr);
191 ret = -EIO;
192 }
193 if (ret == -ENOTTY)
194 ret = -EIO;
195 goto out;
196 }
197
198 case _IOR('t', 119, int): {
199 int oldval, newval, __user *ptr;
200
201 cmd = TIOCGPGRP;
202 ptr = (int __user *) arg;
203 ret = -EFAULT;
204 if (get_user(oldval, ptr))
205 goto out;
206 ret = sys_ioctl(fd, cmd, arg);
207 __get_user(newval, ptr);
208 if (newval == -1) {
209 __put_user(oldval, ptr);
210 ret = -EIO;
211 }
212 if (ret == -ENOTTY)
213 ret = -EIO;
214 goto out;
215 }
216 }
217
218#if 0
219 if ((cmd & 0xff00) == ('k' << 8)) {
220 printk ("[[KBIO: %8.8x\n", (unsigned int) cmd);
221 }
222#endif
223
224 ret = sys_ioctl(fd, cmd, arg);
225 /* so stupid... */
226 ret = (ret == -EINVAL ? -EOPNOTSUPP : ret);
227out:
228 return ret;
229}
230
231