diff options
Diffstat (limited to 'hw/block/virtio-blk.c')
| -rw-r--r-- | hw/block/virtio-blk.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c index 4c357d2928..d62e6377c2 100644 --- a/hw/block/virtio-blk.c +++ b/hw/block/virtio-blk.c @@ -991,7 +991,9 @@ static uint64_t virtio_blk_get_features(VirtIODevice *vdev, uint64_t features, virtio_add_feature(&features, VIRTIO_BLK_F_SCSI); } - if (blk_enable_write_cache(s->blk)) { + if (blk_enable_write_cache(s->blk) || + (s->conf.x_enable_wce_if_config_wce && + virtio_has_feature(features, VIRTIO_BLK_F_CONFIG_WCE))) { virtio_add_feature(&features, VIRTIO_BLK_F_WCE); } if (blk_is_read_only(s->blk)) { @@ -1270,6 +1272,8 @@ static Property virtio_blk_properties[] = { conf.max_discard_sectors, BDRV_REQUEST_MAX_SECTORS), DEFINE_PROP_UINT32("max-write-zeroes-sectors", VirtIOBlock, conf.max_write_zeroes_sectors, BDRV_REQUEST_MAX_SECTORS), + DEFINE_PROP_BOOL("x-enable-wce-if-config-wce", VirtIOBlock, + conf.x_enable_wce_if_config_wce, true), DEFINE_PROP_END_OF_LIST(), }; |