diff options
Diffstat (limited to 'sys/dev/virtio/mmio/virtio_mmio.c')
| -rw-r--r-- | sys/dev/virtio/mmio/virtio_mmio.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/sys/dev/virtio/mmio/virtio_mmio.c b/sys/dev/virtio/mmio/virtio_mmio.c index 0414706fb990..a9c7b65741cd 100644 --- a/sys/dev/virtio/mmio/virtio_mmio.c +++ b/sys/dev/virtio/mmio/virtio_mmio.c @@ -491,8 +491,10 @@ vtmmio_alloc_virtqueues(device_t dev, int flags, int nvqs, if (sc->vtmmio_vqs == NULL) return (ENOMEM); - vtmmio_write_config_4(sc, VIRTIO_MMIO_GUEST_PAGE_SIZE, - (1 << PAGE_SHIFT)); + if (sc->vtmmio_version == 1) { + vtmmio_write_config_4(sc, VIRTIO_MMIO_GUEST_PAGE_SIZE, + (1 << PAGE_SHIFT)); + } for (idx = 0; idx < nvqs; idx++) { vqx = &sc->vtmmio_vqs[idx]; @@ -564,8 +566,10 @@ vtmmio_reinit(device_t dev, uint64_t features) vtmmio_negotiate_features(dev, features); - vtmmio_write_config_4(sc, VIRTIO_MMIO_GUEST_PAGE_SIZE, - (1 << PAGE_SHIFT)); + if (sc->vtmmio_version == 1) { + vtmmio_write_config_4(sc, VIRTIO_MMIO_GUEST_PAGE_SIZE, + (1 << PAGE_SHIFT)); + } for (idx = 0; idx < sc->vtmmio_nvqs; idx++) { error = vtmmio_reinit_virtqueue(sc, idx); |