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vdpa: reorder vhost_vdpa_set_backend_cap

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It will be used directly by vhost_vdpa_init.

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: <20250522145839.59974-3-jonah.palmer@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Eugenio Pérez
2025-06-02 14:29:15 -04:00
committed by Michael S. Tsirkin
parent 55cf1d4f10
commit 3312e6c8c9
1 changed files with 30 additions and 30 deletions
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hw/virtio/vhost-vdpa.c
+30 -30
View File
@@ -594,6 +594,36 @@ static void vhost_vdpa_init_svq(struct vhost_dev *hdev, struct vhost_vdpa *v)
v->shadow_vqs = g_steal_pointer(&shadow_vqs);
}
static int vhost_vdpa_set_backend_cap(struct vhost_dev *dev)
{
struct vhost_vdpa *v = dev->opaque;
uint64_t features;
uint64_t f = 0x1ULL << VHOST_BACKEND_F_IOTLB_MSG_V2 |
0x1ULL << VHOST_BACKEND_F_IOTLB_BATCH |
0x1ULL << VHOST_BACKEND_F_IOTLB_ASID |
0x1ULL << VHOST_BACKEND_F_SUSPEND;
int r;
if (vhost_vdpa_call(dev, VHOST_GET_BACKEND_FEATURES, &features)) {
return -EFAULT;
}
features &= f;
if (vhost_vdpa_first_dev(dev)) {
r = vhost_vdpa_call(dev, VHOST_SET_BACKEND_FEATURES, &features);
if (r) {
return -EFAULT;
}
}
dev->backend_cap = features;
v->shared->backend_cap = features;
return 0;
}
static int vhost_vdpa_init(struct vhost_dev *dev, void *opaque, Error **errp)
{
struct vhost_vdpa *v = opaque;
@@ -841,36 +871,6 @@ static int vhost_vdpa_set_features(struct vhost_dev *dev,
return vhost_vdpa_add_status(dev, VIRTIO_CONFIG_S_FEATURES_OK);
}
static int vhost_vdpa_set_backend_cap(struct vhost_dev *dev)
{
struct vhost_vdpa *v = dev->opaque;
uint64_t features;
uint64_t f = 0x1ULL << VHOST_BACKEND_F_IOTLB_MSG_V2 |
0x1ULL << VHOST_BACKEND_F_IOTLB_BATCH |
0x1ULL << VHOST_BACKEND_F_IOTLB_ASID |
0x1ULL << VHOST_BACKEND_F_SUSPEND;
int r;
if (vhost_vdpa_call(dev, VHOST_GET_BACKEND_FEATURES, &features)) {
return -EFAULT;
}
features &= f;
if (vhost_vdpa_first_dev(dev)) {
r = vhost_vdpa_call(dev, VHOST_SET_BACKEND_FEATURES, &features);
if (r) {
return -EFAULT;
}
}
dev->backend_cap = features;
v->shared->backend_cap = features;
return 0;
}
static int vhost_vdpa_get_device_id(struct vhost_dev *dev,
uint32_t *device_id)
{