diff options
Diffstat (limited to 'hw/virtio/vhost-vsock-common.c')
| -rw-r--r-- | hw/virtio/vhost-vsock-common.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/hw/virtio/vhost-vsock-common.c b/hw/virtio/vhost-vsock-common.c index 4ad6e234ad..3f3771274e 100644 --- a/hw/virtio/vhost-vsock-common.c +++ b/hw/virtio/vhost-vsock-common.c @@ -18,6 +18,30 @@ #include "qemu/iov.h" #include "monitor/monitor.h" +const int feature_bits[] = { + VIRTIO_VSOCK_F_SEQPACKET, + VHOST_INVALID_FEATURE_BIT +}; + +uint64_t vhost_vsock_common_get_features(VirtIODevice *vdev, uint64_t features, + Error **errp) +{ + VHostVSockCommon *vvc = VHOST_VSOCK_COMMON(vdev); + + if (vvc->seqpacket != ON_OFF_AUTO_OFF) { + virtio_add_feature(&features, VIRTIO_VSOCK_F_SEQPACKET); + } + + features = vhost_get_features(&vvc->vhost_dev, feature_bits, features); + + if (vvc->seqpacket == ON_OFF_AUTO_ON && + !virtio_has_feature(features, VIRTIO_VSOCK_F_SEQPACKET)) { + error_setg(errp, "vhost-vsock backend doesn't support seqpacket"); + } + + return features; +} + int vhost_vsock_common_start(VirtIODevice *vdev) { VHostVSockCommon *vvc = VHOST_VSOCK_COMMON(vdev); @@ -231,11 +255,18 @@ void vhost_vsock_common_unrealize(VirtIODevice *vdev) virtio_cleanup(vdev); } +static Property vhost_vsock_common_properties[] = { + DEFINE_PROP_ON_OFF_AUTO("seqpacket", VHostVSockCommon, seqpacket, + ON_OFF_AUTO_AUTO), + DEFINE_PROP_END_OF_LIST(), +}; + static void vhost_vsock_common_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass); + device_class_set_props(dc, vhost_vsock_common_properties); set_bit(DEVICE_CATEGORY_MISC, dc->categories); vdc->guest_notifier_mask = vhost_vsock_common_guest_notifier_mask; vdc->guest_notifier_pending = vhost_vsock_common_guest_notifier_pending; |