From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>

Date: Mon, 27 Jan 2020 19:00:59 +0000

Subject: [PATCH] virtiofsd: get/set features callbacks

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Add the get/set features callbacks.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

(cherry picked from commit f2cef5fb9ae20136ca18d16328787b69b3abfa18)

---

 tools/virtiofsd/fuse_virtio.c | 15 ++++++++++++++-

 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/tools/virtiofsd/fuse_virtio.c b/tools/virtiofsd/fuse_virtio.c

index 1928a2025c..4819e56568 100644

--- a/tools/virtiofsd/fuse_virtio.c

+++ b/tools/virtiofsd/fuse_virtio.c

@@ -46,6 +46,17 @@ struct virtio_fs_config {

     uint32_t num_queues;

 };

+/* Callback from libvhost-user */

+static uint64_t fv_get_features(VuDev *dev)

+{

+    return 1ULL << VIRTIO_F_VERSION_1;

+}

+

+/* Callback from libvhost-user */

+static void fv_set_features(VuDev *dev, uint64_t features)

+{

+}

+

 /*

  * Callback from libvhost-user if there's a new fd we're supposed to listen

  * to, typically a queue kick?

@@ -78,7 +89,9 @@ static bool fv_queue_order(VuDev *dev, int qidx)

 }

 static const VuDevIface fv_iface = {

-    /* TODO: Add other callbacks */

+    .get_features = fv_get_features,

+    .set_features = fv_set_features,

+

     .queue_is_processed_in_order = fv_queue_order,

 };