Viewing file:  sunos_ioctl32.c (7.57 KB) -rw-r--r--
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/* $Id: sunos_ioctl32.c,v 1.11 2000/07/30 23:12:24 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;
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:
return ret;
}
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