1/* 2 * Implements some necessary HPUX ioctls. 3 * 4 * Copyright (C) 1999-2002 Matthew Wilcox <willy with parisc-linux.org> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 */ 20 21/* 22 * Supported ioctls: 23 * TCGETA 24 * TCSETA 25 * TCSETAW 26 * TCSETAF 27 * TCSBRK 28 * TCXONC 29 * TCFLSH 30 * TIOCGWINSZ 31 * TIOCSWINSZ 32 * TIOCGPGRP 33 * TIOCSPGRP 34 */ 35 36#include <linux/sched.h> 37#include <linux/syscalls.h> 38#include <asm/errno.h> 39#include <asm/ioctl.h> 40#include <asm/termios.h> 41#include <asm/uaccess.h> 42 43static int hpux_ioctl_t(int fd, unsigned long cmd, unsigned long arg) 44{ 45 int result = -EOPNOTSUPP; 46 int nr = _IOC_NR(cmd); 47 switch (nr) { 48 case 106: 49 result = sys_ioctl(fd, TIOCSWINSZ, arg); 50 break; 51 case 107: 52 result = sys_ioctl(fd, TIOCGWINSZ, arg); 53 break; 54 } 55 return result; 56} 57 58int hpux_ioctl(int fd, unsigned long cmd, unsigned long arg) 59{ 60 int result = -EOPNOTSUPP; 61 int type = _IOC_TYPE(cmd); 62 switch (type) { 63 case 'T': 64 /* Our structures are now compatible with HPUX's */ 65 result = sys_ioctl(fd, cmd, arg); 66 break; 67 case 't': 68 result = hpux_ioctl_t(fd, cmd, arg); 69 break; 70 } 71 return result; 72} 73