[Qemu-devel] [PATCH v2 2/2] ps2: preserve repeat state on migration

[Amos Kong <akong@redhat.com>]

Use a subsection to migrate repeat state (repate period and first
delay).

Signed-off-by: Amos Kong <akong@redhat.com>
---
 hw/input/ps2.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/hw/input/ps2.c b/hw/input/ps2.c
index 8adbb4a..cdb18e6 100644
--- a/hw/input/ps2.c
+++ b/hw/input/ps2.c
@@ -611,6 +611,13 @@ static const VMStateDescription vmstate_ps2_common = {
     }
 };
 
+static bool ps2_keyboard_repeatstate_needed(void *opaque)
+{
+    PS2KbdState *s = opaque;
+
+    return s->repeat_period || s->repeat_delay;
+}
+
 static bool ps2_keyboard_ledstate_needed(void *opaque)
 {
     PS2KbdState *s = opaque;
@@ -626,6 +633,18 @@ static int ps2_kbd_ledstate_post_load(void *opaque, int version_id)
     return 0;
 }
 
+static const VMStateDescription vmstate_ps2_keyboard_repeatstate = {
+    .name = "ps2kbd/repeatstate",
+    .version_id = 3,
+    .minimum_version_id = 2,
+    .minimum_version_id_old = 2,
+    .fields      = (VMStateField[]) {
+        VMSTATE_INT32(repeat_period, PS2KbdState),
+        VMSTATE_INT32(repeat_delay, PS2KbdState),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
 static const VMStateDescription vmstate_ps2_keyboard_ledstate = {
     .name = "ps2kbd/ledstate",
     .version_id = 3,
@@ -665,6 +684,9 @@ static const VMStateDescription vmstate_ps2_keyboard = {
             .vmsd = &vmstate_ps2_keyboard_ledstate,
             .needed = ps2_keyboard_ledstate_needed,
         }, {
+            .vmsd = &vmstate_ps2_keyboard_repeatstate,
+            .needed = ps2_keyboard_repeatstate_needed,
+        }, {
             /* empty */
         }
     }
-- 
1.8.1.4