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vdpa: factor out vhost_vdpa_last_dev 

Generalize duplicated condition check for the last vq of vdpa
device to a common function.

Message-Id: <1707910082-10243-4-git-send-email-si-wei.liu@oracle.com>
Reviewed-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Si-Wei Liu <si-wei.liu@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Si-Wei Liu 2024-02-14 03:27:53 -08:00 committed by Michael S. Tsirkin
parent 573581b18d
commit c812b0655f
1 changed files with 7 additions and 2 deletions
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9
hw/virtio/vhost-vdpa.c
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@ -555,6 +555,11 @@ static bool vhost_vdpa_first_dev(struct vhost_dev *dev)
return v->index == 0;
}
static bool vhost_vdpa_last_dev(struct vhost_dev *dev)
{
return dev->vq_index + dev->nvqs == dev->vq_index_end;
}
static int vhost_vdpa_get_dev_features(struct vhost_dev *dev,
uint64_t *features)
{
@ -1315,7 +1320,7 @@ static int vhost_vdpa_dev_start(struct vhost_dev *dev, bool started)
vhost_vdpa_host_notifiers_uninit(dev, dev->nvqs);
}
if (dev->vq_index + dev->nvqs != dev->vq_index_end) {
if (!vhost_vdpa_last_dev(dev)) {
return 0;
}
@ -1337,7 +1342,7 @@ static void vhost_vdpa_reset_status(struct vhost_dev *dev)
{
struct vhost_vdpa *v = dev->opaque;
if (dev->vq_index + dev->nvqs != dev->vq_index_end) {
if (!vhost_vdpa_last_dev(dev)) {
return;
}