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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 | /* $Id: sunos_ioctl32.c,v 1.10 1998/08/15 20:42:46 davem Exp $ * sunos_ioctl32.c: SunOS ioctl compatability on sparc64. * * Copyright (C) 1995 Miguel de Icaza (miguel@nuclecu.unam.mx) * Copyright (C) 1995, 1996, 1997 David S. Miller (davem@caip.rutgers.edu) */ #include <asm/uaccess.h> #include <linux/sched.h> #include <linux/errno.h> #include <linux/string.h> #include <linux/termios.h> #include <linux/ioctl.h> #include <linux/route.h> #include <linux/sockios.h> #include <linux/if.h> #include <linux/netdevice.h> #include <linux/if_arp.h> #include <linux/fs.h> #include <linux/file.h> #include <linux/mm.h> #include <linux/smp.h> #include <linux/smp_lock.h> #include <asm/kbio.h> /* Use this to get at 32-bit user passed pointers. */ #define A(__x) \ ({ unsigned long __ret; \ __asm__ ("srl %0, 0, %0" \ : "=r" (__ret) \ : "0" (__x)); \ __ret; \ }) #define SUNOS_NR_OPEN 256 struct rtentry32 { u32 rt_pad1; struct sockaddr rt_dst; /* target address */ struct sockaddr rt_gateway; /* gateway addr (RTF_GATEWAY) */ struct sockaddr rt_genmask; /* target network mask (IP) */ unsigned short rt_flags; short rt_pad2; u32 rt_pad3; unsigned char rt_tos; unsigned char rt_class; short rt_pad4; short rt_metric; /* +1 for binary compatibility! */ /* char * */ u32 rt_dev; /* forcing the device at add */ u32 rt_mtu; /* per route MTU/Window */ u32 rt_window; /* Window clamping */ unsigned short rt_irtt; /* Initial RTT */ }; struct ifmap32 { u32 mem_start; u32 mem_end; unsigned short base_addr; unsigned char irq; unsigned char dma; unsigned char port; }; struct ifreq32 { #define IFHWADDRLEN 6 #define IFNAMSIZ 16 union { char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ } ifr_ifrn; union { struct sockaddr ifru_addr; struct sockaddr ifru_dstaddr; struct sockaddr ifru_broadaddr; struct sockaddr ifru_netmask; struct sockaddr ifru_hwaddr; short ifru_flags; int ifru_ivalue; int ifru_mtu; struct ifmap32 ifru_map; char ifru_slave[IFNAMSIZ]; /* Just fits the size */ __kernel_caddr_t32 ifru_data; } ifr_ifru; }; struct ifconf32 { int ifc_len; /* size of buffer */ __kernel_caddr_t32 ifcbuf; }; extern asmlinkage int sys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg); extern asmlinkage int sys32_ioctl(unsigned int, unsigned int, u32); extern asmlinkage int sys_setsid(void); asmlinkage int sunos_ioctl (int fd, u32 cmd, u32 arg) { int ret = -EBADF; lock_kernel(); if(fd >= SUNOS_NR_OPEN) goto out; if(!fcheck(fd)) goto out; if(cmd == TIOCSETD) { mm_segment_t old_fs = get_fs(); int *p, ntty = N_TTY; int tmp; p = (int *)A(arg); ret = -EFAULT; if(get_user(tmp, p)) goto out; if(tmp == 2) { set_fs(KERNEL_DS); ret = sys_ioctl(fd, cmd, (unsigned long) &ntty); set_fs(old_fs); ret = (ret == -EINVAL ? -EOPNOTSUPP : ret); goto out; } } if(cmd == TIOCNOTTY) { ret = sys_setsid(); goto out; } switch(cmd) { case _IOW('r', 10, struct rtentry32): ret = sys32_ioctl(fd, SIOCADDRT, arg); goto out; case _IOW('r', 11, struct rtentry32): ret = sys32_ioctl(fd, SIOCDELRT, arg); goto out; case _IOW('i', 12, struct ifreq32): ret = sys32_ioctl(fd, SIOCSIFADDR, arg); goto out; case _IOWR('i', 13, struct ifreq32): ret = sys32_ioctl(fd, SIOCGIFADDR, arg); goto out; case _IOW('i', 14, struct ifreq32): ret = sys32_ioctl(fd, SIOCSIFDSTADDR, arg); goto out; case _IOWR('i', 15, struct ifreq32): ret = sys32_ioctl(fd, SIOCGIFDSTADDR, arg); goto out; case _IOW('i', 16, struct ifreq32): ret = sys32_ioctl(fd, SIOCSIFFLAGS, arg); goto out; case _IOWR('i', 17, struct ifreq32): ret = sys32_ioctl(fd, SIOCGIFFLAGS, arg); goto out; case _IOW('i', 18, struct ifreq32): ret = sys32_ioctl(fd, SIOCSIFMEM, arg); goto out; case _IOWR('i', 19, struct ifreq32): ret = sys32_ioctl(fd, SIOCGIFMEM, arg); goto out; case _IOWR('i', 20, struct ifconf32): ret = sys32_ioctl(fd, SIOCGIFCONF, arg); goto out; case _IOW('i', 21, struct ifreq): /* SIOCSIFMTU */ ret = sys_ioctl(fd, SIOCSIFMTU, arg); goto out; case _IOWR('i', 22, struct ifreq): /* SIOCGIFMTU */ ret = sys_ioctl(fd, SIOCGIFMTU, arg); goto out; case _IOWR('i', 23, struct ifreq32): ret = sys32_ioctl(fd, SIOCGIFBRDADDR, arg); goto out; case _IOW('i', 24, struct ifreq32): ret = sys32_ioctl(fd, SIOCSIFBRDADDR, arg); goto out; case _IOWR('i', 25, struct ifreq32): ret = sys32_ioctl(fd, SIOCGIFNETMASK, arg); goto out; case _IOW('i', 26, struct ifreq32): ret = sys32_ioctl(fd, SIOCSIFNETMASK, arg); goto out; case _IOWR('i', 27, struct ifreq32): ret = sys32_ioctl(fd, SIOCGIFMETRIC, arg); goto out; case _IOW('i', 28, struct ifreq32): ret = sys32_ioctl(fd, SIOCSIFMETRIC, arg); goto out; case _IOW('i', 30, struct arpreq): ret = sys32_ioctl(fd, SIOCSARP, arg); goto out; case _IOWR('i', 31, struct arpreq): ret = sys32_ioctl(fd, SIOCGARP, arg); goto out; case _IOW('i', 32, struct arpreq): ret = sys32_ioctl(fd, SIOCDARP, arg); goto out; case _IOW('i', 40, struct ifreq32): /* SIOCUPPER */ case _IOW('i', 41, struct ifreq32): /* SIOCLOWER */ case _IOW('i', 44, struct ifreq32): /* SIOCSETSYNC */ case _IOW('i', 45, struct ifreq32): /* SIOCGETSYNC */ case _IOW('i', 46, struct ifreq32): /* SIOCSSDSTATS */ case _IOW('i', 47, struct ifreq32): /* SIOCSSESTATS */ case _IOW('i', 48, struct ifreq32): /* SIOCSPROMISC */ ret = -EOPNOTSUPP; goto out; case _IOW('i', 49, struct ifreq32): ret = sys32_ioctl(fd, SIOCADDMULTI, arg); goto out; case _IOW('i', 50, struct ifreq32): ret = sys32_ioctl(fd, SIOCDELMULTI, arg); goto out; /* FDDI interface ioctls, unsupported. */ case _IOW('i', 51, struct ifreq32): /* SIOCFDRESET */ case _IOW('i', 52, struct ifreq32): /* SIOCFDSLEEP */ case _IOW('i', 53, struct ifreq32): /* SIOCSTRTFMWAR */ case _IOW('i', 54, struct ifreq32): /* SIOCLDNSTRTFW */ case _IOW('i', 55, struct ifreq32): /* SIOCGETFDSTAT */ case _IOW('i', 56, struct ifreq32): /* SIOCFDNMIINT */ case _IOW('i', 57, struct ifreq32): /* SIOCFDEXUSER */ case _IOW('i', 58, struct ifreq32): /* SIOCFDGNETMAP */ case _IOW('i', 59, struct ifreq32): /* SIOCFDGIOCTL */ printk("FDDI ioctl, returning EOPNOTSUPP\n"); ret = -EOPNOTSUPP; goto out; case _IOW('t', 125, int): /* More stupid tty sunos ioctls, just * say it worked. */ ret = 0; goto out; /* Non posix grp */ case _IOW('t', 118, int): { int oldval, newval, *ptr; cmd = TIOCSPGRP; ptr = (int *) A(arg); ret = -EFAULT; if(get_user(oldval, ptr)) goto out; ret = sys32_ioctl(fd, cmd, arg); __get_user(newval, ptr); if(newval == -1) { __put_user(oldval, ptr); ret = -EIO; } if(ret == -ENOTTY) ret = -EIO; goto out; } case _IOR('t', 119, int): { int oldval, newval, *ptr; cmd = TIOCGPGRP; ptr = (int *) A(arg); ret = -EFAULT; if(get_user(oldval, ptr)) goto out; ret = sys32_ioctl(fd, cmd, arg); __get_user(newval, ptr); if(newval == -1) { __put_user(oldval, ptr); ret = -EIO; } if(ret == -ENOTTY) ret = -EIO; goto out; } }; ret = sys32_ioctl(fd, cmd, arg); /* so stupid... */ ret = (ret == -EINVAL ? -EOPNOTSUPP : ret); out: unlock_kernel(); return ret; } |