1/* $Id: sunos_ioctl32.c,v 1.1.1.1 2007/08/03 18:52:18 Exp $ 2 * sunos_ioctl32.c: SunOS ioctl compatibility 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/tty.h> 15#include <linux/ioctl.h> 16#include <linux/route.h> 17#include <linux/sockios.h> 18#include <linux/if.h> 19#include <linux/netdevice.h> 20#include <linux/if_arp.h> 21#include <linux/fs.h> 22#include <linux/file.h> 23#include <linux/mm.h> 24#include <linux/smp.h> 25#include <linux/syscalls.h> 26#include <linux/compat.h> 27 28#define SUNOS_NR_OPEN 256 29 30struct rtentry32 { 31 u32 rt_pad1; 32 struct sockaddr rt_dst; /* target address */ 33 struct sockaddr rt_gateway; /* gateway addr (RTF_GATEWAY) */ 34 struct sockaddr rt_genmask; /* target network mask (IP) */ 35 unsigned short rt_flags; 36 short rt_pad2; 37 u32 rt_pad3; 38 unsigned char rt_tos; 39 unsigned char rt_class; 40 short rt_pad4; 41 short rt_metric; /* +1 for binary compatibility! */ 42 /* char * */ u32 rt_dev; /* forcing the device at add */ 43 u32 rt_mtu; /* per route MTU/Window */ 44 u32 rt_window; /* Window clamping */ 45 unsigned short rt_irtt; /* Initial RTT */ 46 47}; 48 49struct ifmap32 { 50 u32 mem_start; 51 u32 mem_end; 52 unsigned short base_addr; 53 unsigned char irq; 54 unsigned char dma; 55 unsigned char port; 56}; 57 58struct ifreq32 { 59#define IFHWADDRLEN 6 60#define IFNAMSIZ 16 61 union { 62 char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 63 } ifr_ifrn; 64 union { 65 struct sockaddr ifru_addr; 66 struct sockaddr ifru_dstaddr; 67 struct sockaddr ifru_broadaddr; 68 struct sockaddr ifru_netmask; 69 struct sockaddr ifru_hwaddr; 70 short ifru_flags; 71 int ifru_ivalue; 72 int ifru_mtu; 73 struct ifmap32 ifru_map; 74 char ifru_slave[IFNAMSIZ]; /* Just fits the size */ 75 compat_caddr_t ifru_data; 76 } ifr_ifru; 77}; 78 79struct ifconf32 { 80 int ifc_len; /* size of buffer */ 81 compat_caddr_t ifcbuf; 82}; 83 84extern asmlinkage int compat_sys_ioctl(unsigned int, unsigned int, u32); 85 86asmlinkage int sunos_ioctl (int fd, u32 cmd, u32 arg) 87{ 88 int ret = -EBADF; 89 90 if(fd >= SUNOS_NR_OPEN) 91 goto out; 92 if(!fcheck(fd)) 93 goto out; 94 95 if(cmd == TIOCSETD) { 96 mm_segment_t old_fs = get_fs(); 97 int __user *p; 98 int ntty = N_TTY; 99 int tmp; 100 101 p = (int __user *) (unsigned long) arg; 102 ret = -EFAULT; 103 if(get_user(tmp, p)) 104 goto out; 105 if(tmp == 2) { 106 set_fs(KERNEL_DS); 107 ret = sys_ioctl(fd, cmd, (unsigned long) &ntty); 108 set_fs(old_fs); 109 ret = (ret == -EINVAL ? -EOPNOTSUPP : ret); 110 goto out; 111 } 112 } 113 if(cmd == TIOCNOTTY) { 114 ret = sys_setsid(); 115 goto out; 116 } 117 switch(cmd) { 118 case _IOW('r', 10, struct rtentry32): 119 ret = compat_sys_ioctl(fd, SIOCADDRT, arg); 120 goto out; 121 case _IOW('r', 11, struct rtentry32): 122 ret = compat_sys_ioctl(fd, SIOCDELRT, arg); 123 goto out; 124 125 case _IOW('i', 12, struct ifreq32): 126 ret = compat_sys_ioctl(fd, SIOCSIFADDR, arg); 127 goto out; 128 case _IOWR('i', 13, struct ifreq32): 129 ret = compat_sys_ioctl(fd, SIOCGIFADDR, arg); 130 goto out; 131 case _IOW('i', 14, struct ifreq32): 132 ret = compat_sys_ioctl(fd, SIOCSIFDSTADDR, arg); 133 goto out; 134 case _IOWR('i', 15, struct ifreq32): 135 ret = compat_sys_ioctl(fd, SIOCGIFDSTADDR, arg); 136 goto out; 137 case _IOW('i', 16, struct ifreq32): 138 ret = compat_sys_ioctl(fd, SIOCSIFFLAGS, arg); 139 goto out; 140 case _IOWR('i', 17, struct ifreq32): 141 ret = compat_sys_ioctl(fd, SIOCGIFFLAGS, arg); 142 goto out; 143 case _IOW('i', 18, struct ifreq32): 144 ret = compat_sys_ioctl(fd, SIOCSIFMEM, arg); 145 goto out; 146 case _IOWR('i', 19, struct ifreq32): 147 ret = compat_sys_ioctl(fd, SIOCGIFMEM, arg); 148 goto out; 149 150 case _IOWR('i', 20, struct ifconf32): 151 ret = compat_sys_ioctl(fd, SIOCGIFCONF, arg); 152 goto out; 153 154 case _IOW('i', 21, struct ifreq32): 155 ret = compat_sys_ioctl(fd, SIOCSIFMTU, arg); 156 goto out; 157 158 case _IOWR('i', 22, struct ifreq32): 159 ret = compat_sys_ioctl(fd, SIOCGIFMTU, arg); 160 goto out; 161 162 case _IOWR('i', 23, struct ifreq32): 163 ret = compat_sys_ioctl(fd, SIOCGIFBRDADDR, arg); 164 goto out; 165 case _IOW('i', 24, struct ifreq32): 166 ret = compat_sys_ioctl(fd, SIOCSIFBRDADDR, arg); 167 goto out; 168 case _IOWR('i', 25, struct ifreq32): 169 ret = compat_sys_ioctl(fd, SIOCGIFNETMASK, arg); 170 goto out; 171 case _IOW('i', 26, struct ifreq32): 172 ret = compat_sys_ioctl(fd, SIOCSIFNETMASK, arg); 173 goto out; 174 case _IOWR('i', 27, struct ifreq32): 175 ret = compat_sys_ioctl(fd, SIOCGIFMETRIC, arg); 176 goto out; 177 case _IOW('i', 28, struct ifreq32): 178 ret = compat_sys_ioctl(fd, SIOCSIFMETRIC, arg); 179 goto out; 180 181 case _IOW('i', 30, struct arpreq): 182 ret = compat_sys_ioctl(fd, SIOCSARP, arg); 183 goto out; 184 case _IOWR('i', 31, struct arpreq): 185 ret = compat_sys_ioctl(fd, SIOCGARP, arg); 186 goto out; 187 case _IOW('i', 32, struct arpreq): 188 ret = compat_sys_ioctl(fd, SIOCDARP, arg); 189 goto out; 190 191 case _IOW('i', 40, struct ifreq32): /* SIOCUPPER */ 192 case _IOW('i', 41, struct ifreq32): /* SIOCLOWER */ 193 case _IOW('i', 44, struct ifreq32): /* SIOCSETSYNC */ 194 case _IOW('i', 45, struct ifreq32): /* SIOCGETSYNC */ 195 case _IOW('i', 46, struct ifreq32): /* SIOCSSDSTATS */ 196 case _IOW('i', 47, struct ifreq32): /* SIOCSSESTATS */ 197 case _IOW('i', 48, struct ifreq32): /* SIOCSPROMISC */ 198 ret = -EOPNOTSUPP; 199 goto out; 200 201 case _IOW('i', 49, struct ifreq32): 202 ret = compat_sys_ioctl(fd, SIOCADDMULTI, arg); 203 goto out; 204 case _IOW('i', 50, struct ifreq32): 205 ret = compat_sys_ioctl(fd, SIOCDELMULTI, arg); 206 goto out; 207 208 /* FDDI interface ioctls, unsupported. */ 209 210 case _IOW('i', 51, struct ifreq32): /* SIOCFDRESET */ 211 case _IOW('i', 52, struct ifreq32): /* SIOCFDSLEEP */ 212 case _IOW('i', 53, struct ifreq32): /* SIOCSTRTFMWAR */ 213 case _IOW('i', 54, struct ifreq32): /* SIOCLDNSTRTFW */ 214 case _IOW('i', 55, struct ifreq32): /* SIOCGETFDSTAT */ 215 case _IOW('i', 56, struct ifreq32): /* SIOCFDNMIINT */ 216 case _IOW('i', 57, struct ifreq32): /* SIOCFDEXUSER */ 217 case _IOW('i', 58, struct ifreq32): /* SIOCFDGNETMAP */ 218 case _IOW('i', 59, struct ifreq32): /* SIOCFDGIOCTL */ 219 printk("FDDI ioctl, returning EOPNOTSUPP\n"); 220 ret = -EOPNOTSUPP; 221 goto out; 222 223 case _IOW('t', 125, int): 224 /* More stupid tty sunos ioctls, just 225 * say it worked. 226 */ 227 ret = 0; 228 goto out; 229 230 /* Non posix grp */ 231 case _IOW('t', 118, int): { 232 int oldval, newval, __user *ptr; 233 234 cmd = TIOCSPGRP; 235 ptr = (int __user *) (unsigned long) arg; 236 ret = -EFAULT; 237 if(get_user(oldval, ptr)) 238 goto out; 239 ret = compat_sys_ioctl(fd, cmd, arg); 240 __get_user(newval, ptr); 241 if(newval == -1) { 242 __put_user(oldval, ptr); 243 ret = -EIO; 244 } 245 if(ret == -ENOTTY) 246 ret = -EIO; 247 goto out; 248 } 249 250 case _IOR('t', 119, int): { 251 int oldval, newval, __user *ptr; 252 253 cmd = TIOCGPGRP; 254 ptr = (int __user *) (unsigned long) arg; 255 ret = -EFAULT; 256 if(get_user(oldval, ptr)) 257 goto out; 258 ret = compat_sys_ioctl(fd, cmd, arg); 259 __get_user(newval, ptr); 260 if(newval == -1) { 261 __put_user(oldval, ptr); 262 ret = -EIO; 263 } 264 if(ret == -ENOTTY) 265 ret = -EIO; 266 goto out; 267 } 268 }; 269 270 ret = compat_sys_ioctl(fd, cmd, arg); 271 /* so stupid... */ 272 ret = (ret == -EINVAL ? -EOPNOTSUPP : ret); 273out: 274 return ret; 275} 276