Commit 04e27c6b authored by Dr. David Alan Gilbert's avatar Dr. David Alan Gilbert Committed by Paolo Bonzini
Browse files

migration/pcspk: Add a property to state if pcspk is migrated 



Allow us to turn migration of pcspk off for compatibility.

Signed-off-by: default avatarDr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20161128133201.16104-2-dgilbert@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 64e184e2

hw/audio/pcspk.c

+10 −0
Original line number Diff line number Diff line
@@ -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(),

};