VIRTIO_BLK_F_MQ
VIRTIO_BLK_F_MQ, VIRTIO_BLK_F_DISCARD, VIRTIO_BLK_F_WRITE_ZEROES,
VIRTIO_BLK_F_MQ, VIRTIO_BLK_F_DISCARD, VIRTIO_BLK_F_WRITE_ZEROES,
err = virtio_cread_feature(vdev, VIRTIO_BLK_F_MQ,
if ((features & BIT_ULL(VIRTIO_BLK_F_MQ)) == 0)
(1ULL << VIRTIO_BLK_F_MQ) | \