diff options
Diffstat (limited to 'hw/virtio')
| -rw-r--r-- | hw/virtio/vdpa-dev.c | 9 | ||||
| -rw-r--r-- | hw/virtio/vhost-vdpa.c | 7 |
2 files changed, 16 insertions, 0 deletions
diff --git a/hw/virtio/vdpa-dev.c b/hw/virtio/vdpa-dev.c index db6ba61152..01b41eb0f1 100644 --- a/hw/virtio/vdpa-dev.c +++ b/hw/virtio/vdpa-dev.c @@ -53,6 +53,7 @@ static void vhost_vdpa_device_realize(DeviceState *dev, Error **errp) { VirtIODevice *vdev = VIRTIO_DEVICE(dev); VhostVdpaDevice *v = VHOST_VDPA_DEVICE(vdev); + struct vhost_vdpa_iova_range iova_range; uint16_t max_queue_size; struct vhost_virtqueue *vqs; int i, ret; @@ -108,6 +109,14 @@ static void vhost_vdpa_device_realize(DeviceState *dev, Error **errp) v->dev.backend_features = 0; v->started = false; + ret = vhost_vdpa_get_iova_range(v->vhostfd, &iova_range); + if (ret < 0) { + error_setg(errp, "vhost-vdpa-device: get iova range failed: %s", + strerror(-ret)); + goto free_vqs; + } + v->vdpa.iova_range = iova_range; + ret = vhost_dev_init(&v->dev, &v->vdpa, VHOST_BACKEND_TYPE_VDPA, 0, NULL); if (ret < 0) { error_setg(errp, "vhost-vdpa-device: vhost initialization failed: %s", diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index fcb1e96316..c295a8c917 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -378,6 +378,13 @@ static int vhost_vdpa_add_status(struct vhost_dev *dev, uint8_t status) return 0; } +int vhost_vdpa_get_iova_range(int fd, struct vhost_vdpa_iova_range *iova_range) +{ + int ret = ioctl(fd, VHOST_VDPA_GET_IOVA_RANGE, iova_range); + + return ret < 0 ? -errno : 0; +} + /* * The use of this function is for requests that only need to be * applied once. Typically such request occurs at the beginning |