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-rw-r--r--arch/parisc/hpux/ioctl.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/arch/parisc/hpux/ioctl.c b/arch/parisc/hpux/ioctl.c
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+++ b/arch/parisc/hpux/ioctl.c
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+/*
+ * 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/smp_lock.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;
+}