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authorLongpeng <longpeng2@huawei.com>2022-12-24 19:48:47 +0800
committerMichael S. Tsirkin <mst@redhat.com>2023-01-08 01:54:22 -0500
commitc672f348cb20e40c8c4fd1dfbd3e60d8202e3eac (patch)
treefa7d3a4a3185117da29965dede8e6d2b46c8638d /hw/virtio/vdpa-dev.c
parentf07ceffdf50f7147250a98e4cb32fcd41bb9cc4a (diff)
vdpa-dev: get iova range explicitly
In commit a585fad26b ("vdpa: request iova_range only once") we remove GET_IOVA_RANGE form vhost_vdpa_init, the generic vdpa device will start without iova_range populated, so the device won't work. Let's call GET_IOVA_RANGE ioctl explicitly. Fixes: a585fad26b2e6ccc ("vdpa: request iova_range only once") Signed-off-by: Longpeng <longpeng2@huawei.com> Message-Id: <20221224114848.3062-2-longpeng2@huawei.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'hw/virtio/vdpa-dev.c')
-rw-r--r--hw/virtio/vdpa-dev.c9
1 files changed, 9 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",