/*
   *    Implements some necessary HPUX ioctls.
   *
   *    Copyright (C) 1999-2002 Matthew Wilcox <willy with parisc-linux.org>
   *
   *    This program is free software; you can redistribute it and/or modify
   *    it under the terms of the GNU General Public License as published by
   *    the Free Software Foundation; either version 2 of the License, or
   *    (at your option) any later version.
   *
   *    This program is distributed in the hope that it will be useful,
   *    but WITHOUT ANY WARRANTY; without even the implied warranty of
   *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *    GNU General Public License for more details.
   *
   *    You should have received a copy of the GNU General Public License
   *    along with this program; if not, write to the Free Software
   *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  /*
   * Supported ioctls:
   *   TCGETA
   *   TCSETA
   *   TCSETAW
   *   TCSETAF
   *   TCSBRK
   *   TCXONC
   *   TCFLSH
   *   TIOCGWINSZ
   *   TIOCSWINSZ
   *   TIOCGPGRP
   *   TIOCSPGRP
   */
  
  #include <linux/sched.h>
  #include <linux/syscalls.h>
  #include <asm/errno.h>
  #include <asm/ioctl.h>
  #include <asm/termios.h>
  #include <asm/uaccess.h>
  
  static int hpux_ioctl_t(int fd, unsigned long cmd, unsigned long arg)
  {
  	int result = -EOPNOTSUPP;
  	int nr = _IOC_NR(cmd);
  	switch (nr) {
  	case 106:
  		result = sys_ioctl(fd, TIOCSWINSZ, arg);
  		break;
  	case 107:
  		result = sys_ioctl(fd, TIOCGWINSZ, arg);
  		break;
  	}
  	return result;
  }
  
  int hpux_ioctl(int fd, unsigned long cmd, unsigned long arg)
  {
  	int result = -EOPNOTSUPP;
  	int type = _IOC_TYPE(cmd);
  	switch (type) {
  	case 'T':
  		/* Our structures are now compatible with HPUX's */
  		result = sys_ioctl(fd, cmd, arg);
  		break;
  	case 't':
  		result = hpux_ioctl_t(fd, cmd, arg);
  		break;
  	}
  	return result;
  }