/* $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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* 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; }