File: /usr/src/linux/arch/sparc64/kernel/sunos_ioctl32.c
1 /* $Id: sunos_ioctl32.c,v 1.11 2000/07/30 23:12:24 davem Exp $
2 * sunos_ioctl32.c: SunOS ioctl compatability on sparc64.
3 *
4 * Copyright (C) 1995 Miguel de Icaza (miguel@nuclecu.unam.mx)
5 * Copyright (C) 1995, 1996, 1997 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/file.h>
22 #include <linux/mm.h>
23 #include <linux/smp.h>
24 #include <linux/smp_lock.h>
25 #include <asm/kbio.h>
26
27 /* Use this to get at 32-bit user passed pointers. */
28 #define A(__x) \
29 ({ unsigned long __ret; \
30 __asm__ ("srl %0, 0, %0" \
31 : "=r" (__ret) \
32 : "0" (__x)); \
33 __ret; \
34 })
35
36 #define SUNOS_NR_OPEN 256
37
38 struct rtentry32 {
39 u32 rt_pad1;
40 struct sockaddr rt_dst; /* target address */
41 struct sockaddr rt_gateway; /* gateway addr (RTF_GATEWAY) */
42 struct sockaddr rt_genmask; /* target network mask (IP) */
43 unsigned short rt_flags;
44 short rt_pad2;
45 u32 rt_pad3;
46 unsigned char rt_tos;
47 unsigned char rt_class;
48 short rt_pad4;
49 short rt_metric; /* +1 for binary compatibility! */
50 /* char * */ u32 rt_dev; /* forcing the device at add */
51 u32 rt_mtu; /* per route MTU/Window */
52 u32 rt_window; /* Window clamping */
53 unsigned short rt_irtt; /* Initial RTT */
54
55 };
56
57 struct ifmap32 {
58 u32 mem_start;
59 u32 mem_end;
60 unsigned short base_addr;
61 unsigned char irq;
62 unsigned char dma;
63 unsigned char port;
64 };
65
66 struct ifreq32 {
67 #define IFHWADDRLEN 6
68 #define IFNAMSIZ 16
69 union {
70 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */
71 } ifr_ifrn;
72 union {
73 struct sockaddr ifru_addr;
74 struct sockaddr ifru_dstaddr;
75 struct sockaddr ifru_broadaddr;
76 struct sockaddr ifru_netmask;
77 struct sockaddr ifru_hwaddr;
78 short ifru_flags;
79 int ifru_ivalue;
80 int ifru_mtu;
81 struct ifmap32 ifru_map;
82 char ifru_slave[IFNAMSIZ]; /* Just fits the size */
83 __kernel_caddr_t32 ifru_data;
84 } ifr_ifru;
85 };
86
87 struct ifconf32 {
88 int ifc_len; /* size of buffer */
89 __kernel_caddr_t32 ifcbuf;
90 };
91
92 extern asmlinkage int sys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg);
93
94 extern asmlinkage int sys32_ioctl(unsigned int, unsigned int, u32);
95 extern asmlinkage int sys_setsid(void);
96
97 asmlinkage int sunos_ioctl (int fd, u32 cmd, u32 arg)
98 {
99 int ret = -EBADF;
100
101 if(fd >= SUNOS_NR_OPEN)
102 goto out;
103 if(!fcheck(fd))
104 goto out;
105
106 if(cmd == TIOCSETD) {
107 mm_segment_t old_fs = get_fs();
108 int *p, ntty = N_TTY;
109 int tmp;
110
111 p = (int *)A(arg);
112 ret = -EFAULT;
113 if(get_user(tmp, p))
114 goto out;
115 if(tmp == 2) {
116 set_fs(KERNEL_DS);
117 ret = sys_ioctl(fd, cmd, (unsigned long) &ntty);
118 set_fs(old_fs);
119 ret = (ret == -EINVAL ? -EOPNOTSUPP : ret);
120 goto out;
121 }
122 }
123 if(cmd == TIOCNOTTY) {
124 ret = sys_setsid();
125 goto out;
126 }
127 switch(cmd) {
128 case _IOW('r', 10, struct rtentry32):
129 ret = sys32_ioctl(fd, SIOCADDRT, arg);
130 goto out;
131 case _IOW('r', 11, struct rtentry32):
132 ret = sys32_ioctl(fd, SIOCDELRT, arg);
133 goto out;
134
135 case _IOW('i', 12, struct ifreq32):
136 ret = sys32_ioctl(fd, SIOCSIFADDR, arg);
137 goto out;
138 case _IOWR('i', 13, struct ifreq32):
139 ret = sys32_ioctl(fd, SIOCGIFADDR, arg);
140 goto out;
141 case _IOW('i', 14, struct ifreq32):
142 ret = sys32_ioctl(fd, SIOCSIFDSTADDR, arg);
143 goto out;
144 case _IOWR('i', 15, struct ifreq32):
145 ret = sys32_ioctl(fd, SIOCGIFDSTADDR, arg);
146 goto out;
147 case _IOW('i', 16, struct ifreq32):
148 ret = sys32_ioctl(fd, SIOCSIFFLAGS, arg);
149 goto out;
150 case _IOWR('i', 17, struct ifreq32):
151 ret = sys32_ioctl(fd, SIOCGIFFLAGS, arg);
152 goto out;
153 case _IOW('i', 18, struct ifreq32):
154 ret = sys32_ioctl(fd, SIOCSIFMEM, arg);
155 goto out;
156 case _IOWR('i', 19, struct ifreq32):
157 ret = sys32_ioctl(fd, SIOCGIFMEM, arg);
158 goto out;
159
160 case _IOWR('i', 20, struct ifconf32):
161 ret = sys32_ioctl(fd, SIOCGIFCONF, arg);
162 goto out;
163
164 case _IOW('i', 21, struct ifreq): /* SIOCSIFMTU */
165 ret = sys_ioctl(fd, SIOCSIFMTU, arg);
166 goto out;
167 case _IOWR('i', 22, struct ifreq): /* SIOCGIFMTU */
168 ret = sys_ioctl(fd, SIOCGIFMTU, arg);
169 goto out;
170
171 case _IOWR('i', 23, struct ifreq32):
172 ret = sys32_ioctl(fd, SIOCGIFBRDADDR, arg);
173 goto out;
174 case _IOW('i', 24, struct ifreq32):
175 ret = sys32_ioctl(fd, SIOCSIFBRDADDR, arg);
176 goto out;
177 case _IOWR('i', 25, struct ifreq32):
178 ret = sys32_ioctl(fd, SIOCGIFNETMASK, arg);
179 goto out;
180 case _IOW('i', 26, struct ifreq32):
181 ret = sys32_ioctl(fd, SIOCSIFNETMASK, arg);
182 goto out;
183 case _IOWR('i', 27, struct ifreq32):
184 ret = sys32_ioctl(fd, SIOCGIFMETRIC, arg);
185 goto out;
186 case _IOW('i', 28, struct ifreq32):
187 ret = sys32_ioctl(fd, SIOCSIFMETRIC, arg);
188 goto out;
189
190 case _IOW('i', 30, struct arpreq):
191 ret = sys32_ioctl(fd, SIOCSARP, arg);
192 goto out;
193 case _IOWR('i', 31, struct arpreq):
194 ret = sys32_ioctl(fd, SIOCGARP, arg);
195 goto out;
196 case _IOW('i', 32, struct arpreq):
197 ret = sys32_ioctl(fd, SIOCDARP, arg);
198 goto out;
199
200 case _IOW('i', 40, struct ifreq32): /* SIOCUPPER */
201 case _IOW('i', 41, struct ifreq32): /* SIOCLOWER */
202 case _IOW('i', 44, struct ifreq32): /* SIOCSETSYNC */
203 case _IOW('i', 45, struct ifreq32): /* SIOCGETSYNC */
204 case _IOW('i', 46, struct ifreq32): /* SIOCSSDSTATS */
205 case _IOW('i', 47, struct ifreq32): /* SIOCSSESTATS */
206 case _IOW('i', 48, struct ifreq32): /* SIOCSPROMISC */
207 ret = -EOPNOTSUPP;
208 goto out;
209
210 case _IOW('i', 49, struct ifreq32):
211 ret = sys32_ioctl(fd, SIOCADDMULTI, arg);
212 goto out;
213 case _IOW('i', 50, struct ifreq32):
214 ret = sys32_ioctl(fd, SIOCDELMULTI, arg);
215 goto out;
216
217 /* FDDI interface ioctls, unsupported. */
218
219 case _IOW('i', 51, struct ifreq32): /* SIOCFDRESET */
220 case _IOW('i', 52, struct ifreq32): /* SIOCFDSLEEP */
221 case _IOW('i', 53, struct ifreq32): /* SIOCSTRTFMWAR */
222 case _IOW('i', 54, struct ifreq32): /* SIOCLDNSTRTFW */
223 case _IOW('i', 55, struct ifreq32): /* SIOCGETFDSTAT */
224 case _IOW('i', 56, struct ifreq32): /* SIOCFDNMIINT */
225 case _IOW('i', 57, struct ifreq32): /* SIOCFDEXUSER */
226 case _IOW('i', 58, struct ifreq32): /* SIOCFDGNETMAP */
227 case _IOW('i', 59, struct ifreq32): /* SIOCFDGIOCTL */
228 printk("FDDI ioctl, returning EOPNOTSUPP\n");
229 ret = -EOPNOTSUPP;
230 goto out;
231
232 case _IOW('t', 125, int):
233 /* More stupid tty sunos ioctls, just
234 * say it worked.
235 */
236 ret = 0;
237 goto out;
238
239 /* Non posix grp */
240 case _IOW('t', 118, int): {
241 int oldval, newval, *ptr;
242
243 cmd = TIOCSPGRP;
244 ptr = (int *) A(arg);
245 ret = -EFAULT;
246 if(get_user(oldval, ptr))
247 goto out;
248 ret = sys32_ioctl(fd, cmd, arg);
249 __get_user(newval, ptr);
250 if(newval == -1) {
251 __put_user(oldval, ptr);
252 ret = -EIO;
253 }
254 if(ret == -ENOTTY)
255 ret = -EIO;
256 goto out;
257 }
258
259 case _IOR('t', 119, int): {
260 int oldval, newval, *ptr;
261
262 cmd = TIOCGPGRP;
263 ptr = (int *) A(arg);
264 ret = -EFAULT;
265 if(get_user(oldval, ptr))
266 goto out;
267 ret = sys32_ioctl(fd, cmd, arg);
268 __get_user(newval, ptr);
269 if(newval == -1) {
270 __put_user(oldval, ptr);
271 ret = -EIO;
272 }
273 if(ret == -ENOTTY)
274 ret = -EIO;
275 goto out;
276 }
277 };
278
279 ret = sys32_ioctl(fd, cmd, arg);
280 /* so stupid... */
281 ret = (ret == -EINVAL ? -EOPNOTSUPP : ret);
282 out:
283 return ret;
284 }
285