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Tsirkin" , Jason Wang , Juan Quintela , Markus Armbruster , virtualization@lists.linux-foundation.org, Harpreet Singh Anand , Xiao W Wang , Stefan Hajnoczi , Eli Cohen , Stefano Garzarella , Michael Lilja , Jim Harford , Rob Miller Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Eugenio Pérez --- include/hw/virtio/vhost.h | 1 + hw/virtio/vhost.c | 17 +++++++++++++++++ 2 files changed, 18 insertions(+) diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h index 4a8bc75415..fca076e3f0 100644 --- a/include/hw/virtio/vhost.h +++ b/include/hw/virtio/vhost.h @@ -123,6 +123,7 @@ uint64_t vhost_get_features(struct vhost_dev *hdev, const int *feature_bits, void vhost_ack_features(struct vhost_dev *hdev, const int *feature_bits, uint64_t features); bool vhost_has_free_slot(void); +struct vhost_dev *vhost_dev_from_virtio(const VirtIODevice *vdev); int vhost_net_set_backend(struct vhost_dev *hdev, struct vhost_vring_file *file); diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c index 28c7d78172..8683d507f5 100644 --- a/hw/virtio/vhost.c +++ b/hw/virtio/vhost.c @@ -61,6 +61,23 @@ bool vhost_has_free_slot(void) return slots_limit > used_memslots; } +/* + * Get the vhost device associated to a VirtIO device. + */ +struct vhost_dev *vhost_dev_from_virtio(const VirtIODevice *vdev) +{ + struct vhost_dev *hdev; + + QLIST_FOREACH(hdev, &vhost_devices, entry) { + if (hdev->vdev == vdev) { + return hdev; + } + } + + assert(hdev); + return NULL; +} + static void vhost_dev_sync_region(struct vhost_dev *dev, MemoryRegionSection *section, uint64_t mfirst, uint64_t mlast, -- 2.27.0