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 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/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 <linux/syscalls.h>
  26 #include <linux/compat.h>
  27
  28 #define SUNOS_NR_OPEN   256
  29
  30 struct 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
  49 struct 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
  58 struct 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
  79 struct ifconf32 {
  80         int     ifc_len;                        /* size of buffer       */
  81         compat_caddr_t  ifcbuf;
  82 };
  83
  84 extern asmlinkage int compat_sys_ioctl(unsigned int, unsigned int, u32);
  85
  86 asmlinkage 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);
 273 out:
 274         return ret;
 275 }