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[Qemu-devel] [PATCH 1/2] migration/pcspk: Add a property to state if pcs
From: |
Dr. David Alan Gilbert (git) |
Subject: |
[Qemu-devel] [PATCH 1/2] migration/pcspk: Add a property to state if pcspk is migrated |
Date: |
Mon, 28 Nov 2016 13:32:00 +0000 |
From: "Dr. David Alan Gilbert" <address@hidden>
Allow us to turn migration of pcspk off for compatibility.
Signed-off-by: Dr. David Alan Gilbert <address@hidden>
---
hw/audio/pcspk.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/hw/audio/pcspk.c b/hw/audio/pcspk.c
index 984534b..7980022 100644
--- a/hw/audio/pcspk.c
+++ b/hw/audio/pcspk.c
@@ -54,6 +54,7 @@ typedef struct {
unsigned int play_pos;
uint8_t data_on;
uint8_t dummy_refresh_clock;
+ bool migrate;
} PCSpkState;
static const char *s_spk = "pcspk";
@@ -187,11 +188,19 @@ static void pcspk_realizefn(DeviceState *dev, Error
**errp)
pcspk_state = s;
}
+static bool migrate_needed(void *opaque)
+{
+ PCSpkState *s = opaque;
+
+ return s->migrate;
+}
+
static const VMStateDescription vmstate_spk = {
.name = "pcspk",
.version_id = 1,
.minimum_version_id = 1,
.minimum_version_id_old = 1,
+ .needed = migrate_needed,
.fields = (VMStateField[]) {
VMSTATE_UINT8(data_on, PCSpkState),
VMSTATE_UINT8(dummy_refresh_clock, PCSpkState),
@@ -201,6 +210,7 @@ static const VMStateDescription vmstate_spk = {
static Property pcspk_properties[] = {
DEFINE_PROP_UINT32("iobase", PCSpkState, iobase, -1),
+ DEFINE_PROP_BOOL("migrate", PCSpkState, migrate, true),
DEFINE_PROP_END_OF_LIST(),
};
--
2.9.3