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[PATCH 7/7] vdpa: Offer VIRTIO_NET_F_GUEST_ANNOUNCE feature if SVQ is en


From: Eugenio Pérez
Subject: [PATCH 7/7] vdpa: Offer VIRTIO_NET_F_GUEST_ANNOUNCE feature if SVQ is enabled
Date: Thu, 20 Oct 2022 12:34:29 +0200

So qemu emulates it in case the device does not support it.

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
---
 net/vhost-vdpa.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c
index 5fda405a66..64442e8455 100644
--- a/net/vhost-vdpa.c
+++ b/net/vhost-vdpa.c
@@ -566,6 +566,9 @@ static NetClientState *net_vhost_vdpa_init(NetClientState 
*peer,
 
         /* VIRTIO_NET_F_STATUS is mandatory for _F_GUEST_ANNOUNCE. */
         s->vhost_vdpa.added_features |= BIT_ULL(VIRTIO_NET_F_STATUS);
+
+        /* We can emulate guest announce shadowing CVQ */
+        s->vhost_vdpa.added_features |= BIT_ULL(VIRTIO_NET_F_GUEST_ANNOUNCE);
     }
     if (!is_datapath) {
         s->cvq_cmd_out_buffer = qemu_memalign(qemu_real_host_page_size(),
-- 
2.31.1




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