596   UINT64     Features;  in VirtioBlkInit()  local
640   Status = Dev->VirtIo->GetDeviceFeatures (Dev->VirtIo, &Features);  in VirtioBlkInit()
654   if (Features & VIRTIO_BLK_F_BLK_SIZE) {  in VirtioBlkInit()
673   if (Features & VIRTIO_BLK_F_TOPOLOGY) {  in VirtioBlkInit()
695   Features &= VIRTIO_BLK_F_BLK_SIZE | VIRTIO_BLK_F_TOPOLOGY | VIRTIO_BLK_F_RO |  in VirtioBlkInit()
703     Status = Virtio10WriteFeatures (Dev->VirtIo, Features, &NextDevStat);  in VirtioBlkInit()
757     Features &= ~(UINT64)VIRTIO_F_VERSION_1;  in VirtioBlkInit()
758     Status = Dev->VirtIo->SetGuestFeatures (Dev->VirtIo, Features);  in VirtioBlkInit()
787   Dev->BlockIoMedia.ReadOnly         = (BOOLEAN) ((Features & VIRTIO_BLK_F_RO) != 0);  in VirtioBlkInit()
788   Dev->BlockIoMedia.WriteCaching     = (BOOLEAN) ((Features & VIRTIO_BLK_F_FLUSH) != 0);  in VirtioBlkInit()
798   if (Features & VIRTIO_BLK_F_TOPOLOGY) {  in VirtioBlkInit()