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authorArthur Taylor <art@ified.ca>2011-02-04 13:55:50 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2011-02-17 11:12:40 -0800
commit9fc3de9c83565fcaa23df74c2fc414bb6e7efb0a (patch)
tree8d5fb1f8b90fb9a4f194aee8971859a45283d88c /include
parent8e6d3fe1af38bea3f6c003f8737d2e3a02d00fa0 (diff)
vt: Add virtual console keyboard mode OFF
virtual console: add keyboard mode OFF Add a new mode for the virtual console keyboard OFF in which all input other than shift keys is ignored. Prevents vt input buffers from overflowing when a program opens but doesn't read from a tty, like X11 using evdev for input. Signed-off-by: Arthur Taylor <art@ified.ca> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include')
-rw-r--r--include/linux/kbd_kern.h3
-rw-r--r--include/linux/kd.h1
2 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/kbd_kern.h b/include/linux/kbd_kern.h
index 506ad20c18f8..4b0761cc7dd9 100644
--- a/include/linux/kbd_kern.h
+++ b/include/linux/kbd_kern.h
@@ -50,11 +50,12 @@ struct kbd_struct {
#define VC_CAPSLOCK 2 /* capslock mode */
#define VC_KANALOCK 3 /* kanalock mode */
- unsigned char kbdmode:2; /* one 2-bit value */
+ unsigned char kbdmode:3; /* one 3-bit value */
#define VC_XLATE 0 /* translate keycodes using keymap */
#define VC_MEDIUMRAW 1 /* medium raw (keycode) mode */
#define VC_RAW 2 /* raw (scancode) mode */
#define VC_UNICODE 3 /* Unicode mode */
+#define VC_OFF 4 /* disabled mode */
unsigned char modeflags:5;
#define VC_APPLIC 0 /* application key mode */
diff --git a/include/linux/kd.h b/include/linux/kd.h
index 15f2853ea58f..c36d8476db55 100644
--- a/include/linux/kd.h
+++ b/include/linux/kd.h
@@ -81,6 +81,7 @@ struct unimapinit {
#define K_XLATE 0x01
#define K_MEDIUMRAW 0x02
#define K_UNICODE 0x03
+#define K_OFF 0x04
#define KDGKBMODE 0x4B44 /* gets current keyboard mode */
#define KDSKBMODE 0x4B45 /* sets current keyboard mode */