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| author | Igor Mammedov <imammedo@redhat.com> | 2015-10-06 10:37:27 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2015-10-22 14:34:48 +0300 |
| commit | 2ce68e4cf5be9b5176a3c3c372948d6340724d2d (patch) | |
| tree | 1454cb042a4b1ca1280dfda03bcaa1307dadb6f8 /include/hw/virtio/vhost.h | |
| parent | 052bd52fa978d3f04bc476137ad6e1b9a697f9bd (diff) | |
| download | focaccia-qemu-2ce68e4cf5be9b5176a3c3c372948d6340724d2d.tar.gz focaccia-qemu-2ce68e4cf5be9b5176a3c3c372948d6340724d2d.zip | |
vhost: add vhost_has_free_slot() interface
it will allow for other parts of QEMU check if it's safe to map memory region during hotplug/runtime. That way hotplug path will have a chance to cancel hotplug operation instead of crashing in vhost_commit(). Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/hw/virtio/vhost.h')
| -rw-r--r-- | include/hw/virtio/vhost.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h index c3758f3c78..080831ed67 100644 --- a/include/hw/virtio/vhost.h +++ b/include/hw/virtio/vhost.h @@ -59,6 +59,7 @@ struct vhost_dev { const VhostOps *vhost_ops; void *opaque; struct vhost_log *log; + QLIST_ENTRY(vhost_dev) entry; }; int vhost_dev_init(struct vhost_dev *hdev, void *opaque, @@ -83,4 +84,5 @@ uint64_t vhost_get_features(struct vhost_dev *hdev, const int *feature_bits, uint64_t features); void vhost_ack_features(struct vhost_dev *hdev, const int *feature_bits, uint64_t features); +bool vhost_has_free_slot(void); #endif |