File: /usr/src/linux/arch/sparc/kernel/sunos_ioctl.c
1 /* $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/file.h>
25 #include <asm/kbio.h>
26
27 #if 0
28 extern char sunkbd_type;
29 extern char sunkbd_layout;
30 #endif
31
32 /* NR_OPEN is now larger and dynamic in recent kernels. */
33 #define SUNOS_NR_OPEN 256
34
35 extern asmlinkage int sys_ioctl(unsigned int, unsigned int, unsigned long);
36 extern asmlinkage int sys_setsid(void);
37
38 asmlinkage int sunos_ioctl (int fd, unsigned long cmd, unsigned long arg)
39 {
40 int ret = -EBADF;
41
42 if (fd >= SUNOS_NR_OPEN || !fcheck(fd))
43 goto out;
44
45 /* First handle an easy compat. case for tty ldisc. */
46 if(cmd == TIOCSETD) {
47 int *p, ntty = N_TTY, tmp;
48 mm_segment_t oldfs;
49
50 p = (int *) arg;
51 ret = -EFAULT;
52 if(get_user(tmp, p))
53 goto out;
54 if(tmp == 2) {
55 oldfs = get_fs();
56 set_fs(KERNEL_DS);
57 ret = sys_ioctl(fd, cmd, (int) &ntty);
58 set_fs(oldfs);
59 ret = (ret == -EINVAL ? -EOPNOTSUPP : ret);
60 goto out;
61 }
62 }
63
64 /* Binary compatibility is good American knowhow fuckin' up. */
65 if(cmd == TIOCNOTTY) {
66 ret = sys_setsid();
67 goto out;
68 }
69
70 /* SunOS networking ioctls. */
71 switch (cmd) {
72 case _IOW('r', 10, struct rtentry):
73 ret = sys_ioctl(fd, SIOCADDRT, arg);
74 goto out;
75 case _IOW('r', 11, struct rtentry):
76 ret = sys_ioctl(fd, SIOCDELRT, arg);
77 goto out;
78 case _IOW('i', 12, struct ifreq):
79 ret = sys_ioctl(fd, SIOCSIFADDR, arg);
80 goto out;
81 case _IOWR('i', 13, struct ifreq):
82 ret = sys_ioctl(fd, SIOCGIFADDR, arg);
83 goto out;
84 case _IOW('i', 14, struct ifreq):
85 ret = sys_ioctl(fd, SIOCSIFDSTADDR, arg);
86 goto out;
87 case _IOWR('i', 15, struct ifreq):
88 ret = sys_ioctl(fd, SIOCGIFDSTADDR, arg);
89 goto out;
90 case _IOW('i', 16, struct ifreq):
91 ret = sys_ioctl(fd, SIOCSIFFLAGS, arg);
92 goto out;
93 case _IOWR('i', 17, struct ifreq):
94 ret = sys_ioctl(fd, SIOCGIFFLAGS, arg);
95 goto out;
96 case _IOW('i', 18, struct ifreq):
97 ret = sys_ioctl(fd, SIOCSIFMEM, arg);
98 goto out;
99 case _IOWR('i', 19, struct ifreq):
100 ret = sys_ioctl(fd, SIOCGIFMEM, arg);
101 goto out;
102 case _IOWR('i', 20, struct ifconf):
103 ret = sys_ioctl(fd, SIOCGIFCONF, arg);
104 goto out;
105 case _IOW('i', 21, struct ifreq): /* SIOCSIFMTU */
106 ret = sys_ioctl(fd, SIOCSIFMTU, arg);
107 goto out;
108 case _IOWR('i', 22, struct ifreq): /* SIOCGIFMTU */
109 ret = sys_ioctl(fd, SIOCGIFMTU, arg);
110 goto out;
111
112 case _IOWR('i', 23, struct ifreq):
113 ret = sys_ioctl(fd, SIOCGIFBRDADDR, arg);
114 goto out;
115 case _IOW('i', 24, struct ifreq):
116 ret = sys_ioctl(fd, SIOCSIFBRDADDR, arg);
117 goto out;
118 case _IOWR('i', 25, struct ifreq):
119 ret = sys_ioctl(fd, SIOCGIFNETMASK, arg);
120 goto out;
121 case _IOW('i', 26, struct ifreq):
122 ret = sys_ioctl(fd, SIOCSIFNETMASK, arg);
123 goto out;
124 case _IOWR('i', 27, struct ifreq):
125 ret = sys_ioctl(fd, SIOCGIFMETRIC, arg);
126 goto out;
127 case _IOW('i', 28, struct ifreq):
128 ret = sys_ioctl(fd, SIOCSIFMETRIC, arg);
129 goto out;
130
131 case _IOW('i', 30, struct arpreq):
132 ret = sys_ioctl(fd, SIOCSARP, arg);
133 goto out;
134 case _IOWR('i', 31, struct arpreq):
135 ret = sys_ioctl(fd, SIOCGARP, arg);
136 goto out;
137 case _IOW('i', 32, struct arpreq):
138 ret = sys_ioctl(fd, SIOCDARP, arg);
139 goto out;
140
141 case _IOW('i', 40, struct ifreq): /* SIOCUPPER */
142 case _IOW('i', 41, struct ifreq): /* SIOCLOWER */
143 case _IOW('i', 44, struct ifreq): /* SIOCSETSYNC */
144 case _IOW('i', 45, struct ifreq): /* SIOCGETSYNC */
145 case _IOW('i', 46, struct ifreq): /* SIOCSSDSTATS */
146 case _IOW('i', 47, struct ifreq): /* SIOCSSESTATS */
147 case _IOW('i', 48, struct ifreq): /* SIOCSPROMISC */
148 ret = -EOPNOTSUPP;
149 goto out;
150
151 case _IOW('i', 49, struct ifreq):
152 ret = sys_ioctl(fd, SIOCADDMULTI, arg);
153 goto out;
154 case _IOW('i', 50, struct ifreq):
155 ret = sys_ioctl(fd, SIOCDELMULTI, arg);
156 goto out;
157
158 /* FDDI interface ioctls, unsupported. */
159
160 case _IOW('i', 51, struct ifreq): /* SIOCFDRESET */
161 case _IOW('i', 52, struct ifreq): /* SIOCFDSLEEP */
162 case _IOW('i', 53, struct ifreq): /* SIOCSTRTFMWAR */
163 case _IOW('i', 54, struct ifreq): /* SIOCLDNSTRTFW */
164 case _IOW('i', 55, struct ifreq): /* SIOCGETFDSTAT */
165 case _IOW('i', 56, struct ifreq): /* SIOCFDNMIINT */
166 case _IOW('i', 57, struct ifreq): /* SIOCFDEXUSER */
167 case _IOW('i', 58, struct ifreq): /* SIOCFDGNETMAP */
168 case _IOW('i', 59, struct ifreq): /* SIOCFDGIOCTL */
169 printk("FDDI ioctl, returning EOPNOTSUPP\n");
170 ret = -EOPNOTSUPP;
171 goto out;
172
173 case _IOW('t', 125, int):
174 /* More stupid tty sunos ioctls, just
175 * say it worked.
176 */
177 ret = 0;
178 goto out;
179 /* Non posix grp */
180 case _IOW('t', 118, int): {
181 int oldval, newval, *ptr;
182
183 cmd = TIOCSPGRP;
184 ptr = (int *) arg;
185 ret = -EFAULT;
186 if(get_user(oldval, ptr))
187 goto out;
188 ret = sys_ioctl(fd, cmd, arg);
189 __get_user(newval, ptr);
190 if(newval == -1) {
191 __put_user(oldval, ptr);
192 ret = -EIO;
193 }
194 if(ret == -ENOTTY)
195 ret = -EIO;
196 goto out;
197 }
198
199 case _IOR('t', 119, int): {
200 int oldval, newval, *ptr;
201
202 cmd = TIOCGPGRP;
203 ptr = (int *) arg;
204 ret = -EFAULT;
205 if(get_user(oldval, ptr))
206 goto out;
207 ret = sys_ioctl(fd, cmd, arg);
208 __get_user(newval, ptr);
209 if(newval == -1) {
210 __put_user(oldval, ptr);
211 ret = -EIO;
212 }
213 if(ret == -ENOTTY)
214 ret = -EIO;
215 goto out;
216 }
217 }
218
219 #if 0
220 if ((cmd & 0xff00) == ('k' << 8)) {
221 printk ("[[KBIO: %8.8x\n", (unsigned int) cmd);
222 }
223 #endif
224
225 ret = sys_ioctl(fd, cmd, arg);
226 /* so stupid... */
227 ret = (ret == -EINVAL ? -EOPNOTSUPP : ret);
228 out:
229 return ret;
230 }
231
232
233