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-rw-r--r--hw/pc_piix.c4
-rw-r--r--hw/virtio-blk.c1
-rw-r--r--hw/virtio-blk.h3
3 files changed, 6 insertions, 2 deletions
diff --git a/hw/pc_piix.c b/hw/pc_piix.c
index 0c0096fd7e..d68dbb2320 100644
--- a/hw/pc_piix.c
+++ b/hw/pc_piix.c
@@ -375,6 +375,10 @@ static QEMUMachine pc_machine_v1_2 = {
.driver = "qxl",\
.property = "vgamem_mb",\
.value = stringify(8),\
+ },{\
+ .driver = "virtio-blk-pci",\
+ .property = "config-wce",\
+ .value = "off",\
}
static QEMUMachine pc_machine_v1_1 = {
diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c
index fd8fa90792..6f6d172fd0 100644
--- a/hw/virtio-blk.c
+++ b/hw/virtio-blk.c
@@ -533,7 +533,6 @@ static uint32_t virtio_blk_get_features(VirtIODevice *vdev, uint32_t features)
features |= (1 << VIRTIO_BLK_F_BLK_SIZE);
features |= (1 << VIRTIO_BLK_F_SCSI);
- features |= (1 << VIRTIO_BLK_F_CONFIG_WCE);
if (bdrv_enable_write_cache(s->bs))
features |= (1 << VIRTIO_BLK_F_WCE);
diff --git a/hw/virtio-blk.h b/hw/virtio-blk.h
index 35834cf493..651a000b9f 100644
--- a/hw/virtio-blk.h
+++ b/hw/virtio-blk.h
@@ -107,6 +107,7 @@ struct VirtIOBlkConf
};
#define DEFINE_VIRTIO_BLK_FEATURES(_state, _field) \
- DEFINE_VIRTIO_COMMON_FEATURES(_state, _field)
+ DEFINE_VIRTIO_COMMON_FEATURES(_state, _field), \
+ DEFINE_PROP_BIT("config-wce", _state, _field, VIRTIO_BLK_F_CONFIG_WCE, true)
#endif