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suspend: make ps/2 devices wakeup the guest

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This patch adds wakeup support to ps/2 emulation.  Any key press on the
ps/2 keyboard will wakeup the guest.  Likewise any mouse button press
will wakeup the guest.  Mouse moves are ignored, so the guest will not
wakeup in case your mouse crosses the vnc window of a suspended guest by
accident.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gerd Hoffmann 2012-02-23 13:45:22 +01:00 committed by Anthony Liguori
parent 9b9df25a47
commit fd214d1828
1 changed files with 6 additions and 0 deletions
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6
hw/ps2.c
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@ -24,6 +24,7 @@
#include "hw.h" #include "hw.h"
#include "ps2.h" #include "ps2.h"
#include "console.h" #include "console.h"
#include "sysemu.h"
/* debug PC keyboard */ /* debug PC keyboard */
//#define DEBUG_KBD //#define DEBUG_KBD
@ -154,6 +155,7 @@ static void ps2_put_keycode(void *opaque, int keycode)
{ {
PS2KbdState *s = opaque; PS2KbdState *s = opaque;
qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
/* XXX: add support for scancode set 1 */ /* XXX: add support for scancode set 1 */
if (!s->translate && keycode < 0xe0 && s->scancode_set > 1) { if (!s->translate && keycode < 0xe0 && s->scancode_set > 1) {
if (keycode & 0x80) { if (keycode & 0x80) {
@ -368,6 +370,10 @@ static void ps2_mouse_event(void *opaque,
return; return;
s->mouse_buttons = buttons_state; s->mouse_buttons = buttons_state;
if (buttons_state) {
qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
}
if (!(s->mouse_status & MOUSE_STATUS_REMOTE) && if (!(s->mouse_status & MOUSE_STATUS_REMOTE) &&
(s->common.queue.count < (PS2_QUEUE_SIZE - 16))) { (s->common.queue.count < (PS2_QUEUE_SIZE - 16))) {
for(;;) { for(;;) {