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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [arch/] [sparc/] [kernel/] [sunos_ioctl.c] - Blame information for rev 1777

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Line No. Rev Author Line
1 1624 jcastillo 
/* $Id: sunos_ioctl.c,v 1.1 2005-12-20 09:50:43 jcastillo Exp $
2 
 * sunos_ioctl.c: The Linux Operating system: SunOS ioctl compatibility.
3 
 *
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 * Copyright (C) 1995 Miguel de Icaza (miguel@nuclecu.unam.mx)
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 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
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 */
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#include <asm/segment.h>
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#include <linux/sched.h>
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#include <linux/errno.h>
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#include <linux/string.h>
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#include <linux/termios.h>
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#include <linux/ioctl.h>
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#include <linux/route.h>
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#include <linux/sockios.h>
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#include <linux/if.h>
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#include <linux/netdevice.h>
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#include <linux/if_arp.h>
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#include <linux/fs.h>
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#include <linux/mm.h>
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#include <asm/kbio.h>
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#if 0
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extern char sunkbd_type;
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extern char sunkbd_layout;
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#endif
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extern asmlinkage int sys_ioctl(unsigned int, unsigned int, unsigned long);
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extern asmlinkage int sys_setsid(void);
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asmlinkage int sunos_ioctl (int fd, unsigned long cmd, unsigned long arg)
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{
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        struct file *filp;
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        int foo;
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        if (fd >= NR_OPEN || !(filp = current->files->fd [fd]))
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                return -EBADF;
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        /* First handle an easy compat. case for tty ldisc. */
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        if(cmd == TIOCSETD) {
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                int *p, ntty = N_TTY, old_fs;
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                p = (int *) arg;
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                foo = verify_area(VERIFY_WRITE, p, sizeof(int));
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                if(foo) return foo;
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                if(*p == 2) {
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                        old_fs = get_fs();
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                        set_fs(KERNEL_DS);
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                        foo = sys_ioctl(fd, cmd, (int) &ntty);
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                        set_fs(old_fs);
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                        return (foo == -EINVAL ? -EOPNOTSUPP : foo);
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                }
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        }
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        /* Binary compatibility is good American knowhow fuckin' up. */
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        if(cmd == TIOCNOTTY)
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                return sys_setsid();
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        /* SunOS networking ioctls. */
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        switch (cmd) {
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        case _IOW('r', 10, struct rtentry):
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                return sys_ioctl(fd, SIOCADDRT, arg);
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        case _IOW('r', 11, struct rtentry):
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                return sys_ioctl(fd, SIOCDELRT, arg);
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        case _IOW('i', 12, struct ifreq):
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                return sys_ioctl(fd, SIOCSIFADDR, arg);
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        case _IORW('i', 13, struct ifreq):
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                return sys_ioctl(fd, SIOCGIFADDR, arg);
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        case _IOW('i', 14, struct ifreq):
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                return sys_ioctl(fd, SIOCSIFDSTADDR, arg);
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        case _IORW('i', 15, struct ifreq):
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                return sys_ioctl(fd, SIOCGIFDSTADDR, arg);
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        case _IOW('i', 16, struct ifreq):
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                return sys_ioctl(fd, SIOCSIFFLAGS, arg);
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        case _IORW('i', 17, struct ifreq):
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                return sys_ioctl(fd, SIOCGIFFLAGS, arg);
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        case _IOW('i', 18, struct ifreq):
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                return sys_ioctl(fd, SIOCSIFMEM, arg);
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        case _IORW('i', 19, struct ifreq):
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                return sys_ioctl(fd, SIOCGIFMEM, arg);
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        case _IORW('i', 20, struct ifconf):
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                return sys_ioctl(fd, SIOCGIFCONF, arg);
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        case _IOW('i', 21, struct ifreq): /* SIOCSIFMTU */
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                return sys_ioctl(fd, SIOCSIFMTU, arg);
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        case _IORW('i', 22, struct ifreq): /* SIOCGIFMTU */
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                return sys_ioctl(fd, SIOCGIFMTU, arg);
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        case _IORW('i', 23, struct ifreq):
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                return sys_ioctl(fd, SIOCGIFBRDADDR, arg);
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        case _IOW('i', 24, struct ifreq):
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                return sys_ioctl(fd, SIOCGIFBRDADDR, arg);
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        case _IORW('i', 25, struct ifreq):
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                return sys_ioctl(fd, SIOCGIFNETMASK, arg);
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        case _IOW('i', 26, struct ifreq):
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                return sys_ioctl(fd, SIOCSIFNETMASK, arg);
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        case _IORW('i', 27, struct ifreq):
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                return sys_ioctl(fd, SIOCGIFMETRIC, arg);
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        case _IOW('i', 28, struct ifreq):
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                return sys_ioctl(fd, SIOCSIFMETRIC, arg);
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        case _IOW('i', 30, struct arpreq):
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                return sys_ioctl(fd, SIOCSARP, arg);
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        case _IOW('i', 31, struct arpreq):
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                return sys_ioctl(fd, SIOCGARP, arg);
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        case _IOW('i', 32, struct arpreq):
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                return sys_ioctl(fd, SIOCGARP, arg);
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        case _IOW('i', 40, struct ifreq): /* SIOCUPPER */
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        case _IOW('i', 41, struct ifreq): /* SIOCLOWER */
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        case _IOW('i', 44, struct ifreq): /* SIOCSETSYNC */
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        case _IOW('i', 45, struct ifreq): /* SIOCGETSYNC */
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        case _IOW('i', 46, struct ifreq): /* SIOCSSDSTATS */
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        case _IOW('i', 47, struct ifreq): /* SIOCSSESTATS */
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        case _IOW('i', 48, struct ifreq): /* SIOCSPROMISC */
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                return -EOPNOTSUPP;
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118 
        case _IOW('i', 49, struct ifreq):
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                return sys_ioctl(fd, SIOCADDMULTI, arg);
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        case _IOW('i', 50, struct ifreq):
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                return sys_ioctl(fd, SIOCDELMULTI, arg);
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123 
        /* FDDI interface ioctls, unsupported. */
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        case _IOW('i', 51, struct ifreq): /* SIOCFDRESET */
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        case _IOW('i', 52, struct ifreq): /* SIOCFDSLEEP */
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        case _IOW('i', 53, struct ifreq): /* SIOCSTRTFMWAR */
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        case _IOW('i', 54, struct ifreq): /* SIOCLDNSTRTFW */
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        case _IOW('i', 55, struct ifreq): /* SIOCGETFDSTAT */
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        case _IOW('i', 56, struct ifreq): /* SIOCFDNMIINT */
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        case _IOW('i', 57, struct ifreq): /* SIOCFDEXUSER */
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        case _IOW('i', 58, struct ifreq): /* SIOCFDGNETMAP */
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        case _IOW('i', 59, struct ifreq): /* SIOCFDGIOCTL */
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                printk("FDDI ioctl, returning EOPNOTSUPP\n");
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                return -EOPNOTSUPP;
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        case _IOW('t', 125, int):
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                /* More stupid tty sunos ioctls, just
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                 * say it worked.
139 
                 */
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                return 0;
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        /* Non posix grp */
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        case _IOW('t', 118, int): {
143 
                int oldval, *ptr;
144 
 
145 
                cmd = TIOCSPGRP;
146 
                ptr = (int *) arg;
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                oldval = verify_area(VERIFY_WRITE, ptr, sizeof(int));
148 
                if(oldval)
149 
                        return oldval;
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                oldval = *ptr;
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                foo = sys_ioctl(fd, cmd, arg);
152 
                if(*ptr == -1) {
153 
                        *ptr = oldval;
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                        foo = -EIO;
155 
                }
156 
                if(foo == -ENOTTY)
157 
                        foo = -EIO;
158 
                return foo;
159 
        }
160 
 
161 
        case _IOR('t', 119, int): {
162 
                int oldval, *ptr;
163 
 
164 
                cmd = TIOCGPGRP;
165 
                ptr = (int *) arg;
166 
                oldval = verify_area(VERIFY_WRITE, ptr, sizeof(int));
167 
                if(oldval)
168 
                        return oldval;
169 
                oldval = *ptr;
170 
                foo = sys_ioctl(fd, cmd, arg);
171 
                if(*ptr == -1) {
172 
                        *ptr = oldval;
173 
                        foo = -EIO;
174 
                }
175 
                if(foo == -ENOTTY)
176 
                        foo = -EIO;
177 
                return foo;
178 
        }
179 
        }
180 
 
181 
#if 0
182 
        if (cmd & 0xff00 == ('k' << 8)){
183 
                printk ("[[KBIO: %8.8x\n", (unsigned int) cmd);
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        }
185 
#endif
186 
 
187 
        foo = sys_ioctl(fd, cmd, arg);
188 
        /* so stupid... */
189 
        return (foo == -EINVAL ? -EOPNOTSUPP : foo);
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}
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