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Diffstat (limited to 'hw/block/virtio-blk.c')
-rw-r--r--hw/block/virtio-blk.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c
index afedf48ca6..7813237756 100644
--- a/hw/block/virtio-blk.c
+++ b/hw/block/virtio-blk.c
@@ -245,7 +245,7 @@ static int virtio_blk_handle_scsi_req(VirtIOBlockReq *req)
*/
scsi = (void *)elem->in_sg[elem->in_num - 2].iov_base;
- if (!blk->conf.scsi) {
+ if (!virtio_has_feature(blk->host_features, VIRTIO_BLK_F_SCSI)) {
status = VIRTIO_BLK_S_UNSUPP;
goto fail;
}
@@ -785,12 +785,15 @@ static uint64_t virtio_blk_get_features(VirtIODevice *vdev, uint64_t features,
{
VirtIOBlock *s = VIRTIO_BLK(vdev);
+ /* Firstly sync all virtio-blk possible supported features */
+ features |= s->host_features;
+
virtio_add_feature(&features, VIRTIO_BLK_F_SEG_MAX);
virtio_add_feature(&features, VIRTIO_BLK_F_GEOMETRY);
virtio_add_feature(&features, VIRTIO_BLK_F_TOPOLOGY);
virtio_add_feature(&features, VIRTIO_BLK_F_BLK_SIZE);
if (virtio_has_feature(features, VIRTIO_F_VERSION_1)) {
- if (s->conf.scsi) {
+ if (virtio_has_feature(s->host_features, VIRTIO_BLK_F_SCSI)) {
error_setg(errp, "Please set scsi=off for virtio-blk devices in order to use virtio 1.0");
return 0;
}
@@ -799,9 +802,6 @@ static uint64_t virtio_blk_get_features(VirtIODevice *vdev, uint64_t features,
virtio_add_feature(&features, VIRTIO_BLK_F_SCSI);
}
- if (s->conf.config_wce) {
- virtio_add_feature(&features, VIRTIO_BLK_F_CONFIG_WCE);
- }
if (blk_enable_write_cache(s->blk)) {
virtio_add_feature(&features, VIRTIO_BLK_F_WCE);
}
@@ -1015,9 +1015,11 @@ static Property virtio_blk_properties[] = {
DEFINE_BLOCK_ERROR_PROPERTIES(VirtIOBlock, conf.conf),
DEFINE_BLOCK_CHS_PROPERTIES(VirtIOBlock, conf.conf),
DEFINE_PROP_STRING("serial", VirtIOBlock, conf.serial),
- DEFINE_PROP_BIT("config-wce", VirtIOBlock, conf.config_wce, 0, true),
+ DEFINE_PROP_BIT64("config-wce", VirtIOBlock, host_features,
+ VIRTIO_BLK_F_CONFIG_WCE, true),
#ifdef __linux__
- DEFINE_PROP_BIT("scsi", VirtIOBlock, conf.scsi, 0, false),
+ DEFINE_PROP_BIT64("scsi", VirtIOBlock, host_features,
+ VIRTIO_BLK_F_SCSI, false),
#endif
DEFINE_PROP_BIT("request-merging", VirtIOBlock, conf.request_merging, 0,
true),