summaryrefslogtreecommitdiffstats
path: root/include/linux/tty_driver.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/tty_driver.h')
-rw-r--r--include/linux/tty_driver.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index 659487e3ebe..85c95cd39bc 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -52,6 +52,11 @@
* This routine allows the tty driver to implement
* device-specific ioctl's. If the ioctl number passed in cmd
* is not recognized by the driver, it should return ENOIOCTLCMD.
+ *
+ * long (*compat_ioctl)(struct tty_struct *tty, struct file * file,
+ * unsigned int cmd, unsigned long arg);
+ *
+ * implement ioctl processing for 32 bit process on 64 bit system
*
* void (*set_termios)(struct tty_struct *tty, struct ktermios * old);
*
@@ -132,6 +137,8 @@ struct tty_operations {
int (*chars_in_buffer)(struct tty_struct *tty);
int (*ioctl)(struct tty_struct *tty, struct file * file,
unsigned int cmd, unsigned long arg);
+ long (*compat_ioctl)(struct tty_struct *tty, struct file * file,
+ unsigned int cmd, unsigned long arg);
void (*set_termios)(struct tty_struct *tty, struct ktermios * old);
void (*throttle)(struct tty_struct * tty);
void (*unthrottle)(struct tty_struct * tty);
@@ -193,6 +200,8 @@ struct tty_driver {
int (*chars_in_buffer)(struct tty_struct *tty);
int (*ioctl)(struct tty_struct *tty, struct file * file,
unsigned int cmd, unsigned long arg);
+ long (*compat_ioctl)(struct tty_struct *tty, struct file * file,
+ unsigned int cmd, unsigned long arg);
void (*set_termios)(struct tty_struct *tty, struct ktermios * old);
void (*throttle)(struct tty_struct * tty);
void (*unthrottle)(struct tty_struct * tty);