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vhost-vsock: SOCK_SEQPACKET feature bit support

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This adds processing of VIRTIO_VSOCK_F_SEQPACKET features bit. Guest
negotiates it with vhost, thus both will know that SOCK_SEQPACKET
supported by peer.

Signed-off-by: Arseny Krasnov <arseny.krasnov@kaspersky.com>
Message-Id: <20210622144747.2949134-1-arseny.krasnov@kaspersky.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Arseny Krasnov 2021-06-22 17:47:47 +03:00 committed by Michael S. Tsirkin
parent 732de3e72d
commit 1e08fd0a46
1 changed files with 10 additions and 2 deletions
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12
hw/virtio/vhost-vsock.c
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@ -21,6 +21,11 @@
#include "hw/virtio/vhost-vsock.h"
#include "monitor/monitor.h"
const int feature_bits[] = {
VIRTIO_VSOCK_F_SEQPACKET,
VHOST_INVALID_FEATURE_BIT
};
static void vhost_vsock_get_config(VirtIODevice *vdev, uint8_t *config)
{
VHostVSock *vsock = VHOST_VSOCK(vdev);
@ -108,8 +113,11 @@ static uint64_t vhost_vsock_get_features(VirtIODevice *vdev,
uint64_t requested_features,
Error **errp)
{
/* No feature bits used yet */
return requested_features;
VHostVSockCommon *vvc = VHOST_VSOCK_COMMON(vdev);
virtio_add_feature(&requested_features, VIRTIO_VSOCK_F_SEQPACKET);
return vhost_get_features(&vvc->vhost_dev, feature_bits,
requested_features);
}
static const VMStateDescription vmstate_virtio_vhost_vsock = {