[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH V2 1/2] vhost-user: sync backend features
From: |
Marcel Apfelbaum |
Subject: |
[Qemu-devel] [PATCH V2 1/2] vhost-user: sync backend features |
Date: |
Wed, 29 Jul 2015 23:06:48 +0300 |
Complete vhost-user negotiation by syncing the features
supported by the backend.
Signed-off-by: Marcel Apfelbaum <address@hidden>
---
hw/virtio/vhost-user.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
index c4428a1..b522437 100644
--- a/hw/virtio/vhost-user.c
+++ b/hw/virtio/vhost-user.c
@@ -22,6 +22,7 @@
#include <sys/socket.h>
#include <sys/un.h>
#include <linux/vhost.h>
+#include <linux/virtio_net.h>
#define VHOST_MEMORY_MAX_NREGIONS 8
@@ -358,6 +359,22 @@ static int vhost_user_init(struct vhost_dev *dev, void
*opaque)
return err;
}
+ if (__virtio_has_feature(msg.u64, VIRTIO_F_ANY_LAYOUT)) {
+ dev->backend_features |= 1ULL << VIRTIO_F_ANY_LAYOUT;
+ }
+
+ if (__virtio_has_feature(msg.u64, VIRTIO_F_VERSION_1)) {
+ dev->backend_features |= 1ULL << VIRTIO_F_VERSION_1;
+ }
+
+ if (__virtio_has_feature(msg.u64, VIRTIO_NET_F_MRG_RXBUF)) {
+ dev->backend_features |= 1ULL << VIRTIO_NET_F_MRG_RXBUF;
+ }
+
+ if (__virtio_has_feature(msg.u64, VIRTIO_NET_F_MQ)) {
+ dev->backend_features |= 1ULL << VIRTIO_NET_F_MQ;
+ }
+
if (__virtio_has_feature(msg.u64, VHOST_USER_F_PROTOCOL_FEATURES)) {
dev->backend_features |= 1ULL << VHOST_USER_F_PROTOCOL_FEATURES;
--
2.1.0