diff options
| author | Eugenio Pérez <eperezma@redhat.com> | 2025-05-22 10:58:36 -0400 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2025-06-02 14:29:15 -0400 |
| commit | be2e5fbefa7c1f8243bf6db2486b950b1ab19b72 (patch) | |
| tree | 80648b0c0bcc2fe5c489d850861574a27d45e247 | |
| parent | 32f0c7ce4c948b2e275dca3cf7fa2a00677b9c1d (diff) | |
| download | qemu-be2e5fbefa7c1f8243bf6db2486b950b1ab19b72.zip qemu-be2e5fbefa7c1f8243bf6db2486b950b1ab19b72.tar.gz qemu-be2e5fbefa7c1f8243bf6db2486b950b1ab19b72.tar.bz2 | |
vdpa: add listener_registered
Check if the listener has been registered or not, so it needs to be
registered again at start.
Tested-by: Lei Yang <leiyang@redhat.com>
Reviewed-by: Si-Wei Liu <si-wei.liu@oracle.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Signed-off-by: Jonah Palmer <jonah.palmer@oracle.com>
Message-Id: <20250522145839.59974-5-jonah.palmer@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| -rw-r--r-- | hw/virtio/vhost-vdpa.c | 7 | ||||
| -rw-r--r-- | include/hw/virtio/vhost-vdpa.h | 6 |
2 files changed, 12 insertions, 1 deletions
diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index e9826ed..450f68f 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -1379,7 +1379,10 @@ static int vhost_vdpa_dev_start(struct vhost_dev *dev, bool started) "IOMMU and try again"); return -1; } - memory_listener_register(&v->shared->listener, dev->vdev->dma_as); + if (!v->shared->listener_registered) { + memory_listener_register(&v->shared->listener, dev->vdev->dma_as); + v->shared->listener_registered = true; + } return vhost_vdpa_add_status(dev, VIRTIO_CONFIG_S_DRIVER_OK); } @@ -1399,6 +1402,8 @@ static void vhost_vdpa_reset_status(struct vhost_dev *dev) vhost_vdpa_add_status(dev, VIRTIO_CONFIG_S_ACKNOWLEDGE | VIRTIO_CONFIG_S_DRIVER); memory_listener_unregister(&v->shared->listener); + v->shared->listener_registered = false; + } static int vhost_vdpa_set_log_base(struct vhost_dev *dev, uint64_t base, diff --git a/include/hw/virtio/vhost-vdpa.h b/include/hw/virtio/vhost-vdpa.h index 0a9575b..2218409 100644 --- a/include/hw/virtio/vhost-vdpa.h +++ b/include/hw/virtio/vhost-vdpa.h @@ -51,6 +51,12 @@ typedef struct vhost_vdpa_shared { bool iotlb_batch_begin_sent; + /* + * The memory listener has been registered, so DMA maps have been sent to + * the device. + */ + bool listener_registered; + /* Vdpa must send shadow addresses as IOTLB key for data queues, not GPA */ bool shadow_data; |