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path: root/drivers/vhost/vdpa.c
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Diffstat (limited to 'drivers/vhost/vdpa.c')
-rw-r--r--drivers/vhost/vdpa.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index 632c43eb5ecf..9202ff97ddb5 100644
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c
@@ -633,10 +633,10 @@ static int vhost_vdpa_map(struct vhost_vdpa *v, struct vhost_iotlb *iotlb,
return r;
if (ops->dma_map) {
- r = ops->dma_map(vdpa, iova, size, pa, perm, opaque);
+ r = ops->dma_map(vdpa, 0, iova, size, pa, perm, opaque);
} else if (ops->set_map) {
if (!v->in_batch)
- r = ops->set_map(vdpa, iotlb);
+ r = ops->set_map(vdpa, 0, iotlb);
} else {
r = iommu_map(v->domain, iova, pa, size,
perm_to_iommu_flags(perm));
@@ -662,10 +662,10 @@ static void vhost_vdpa_unmap(struct vhost_vdpa *v,
vhost_vdpa_iotlb_unmap(v, iotlb, iova, iova + size - 1);
if (ops->dma_map) {
- ops->dma_unmap(vdpa, iova, size);
+ ops->dma_unmap(vdpa, 0, iova, size);
} else if (ops->set_map) {
if (!v->in_batch)
- ops->set_map(vdpa, iotlb);
+ ops->set_map(vdpa, 0, iotlb);
} else {
iommu_unmap(v->domain, iova, size);
}
@@ -897,7 +897,7 @@ static int vhost_vdpa_process_iotlb_msg(struct vhost_dev *dev,
break;
case VHOST_IOTLB_BATCH_END:
if (v->in_batch && ops->set_map)
- ops->set_map(vdpa, iotlb);
+ ops->set_map(vdpa, 0, iotlb);
v->in_batch = false;
break;
default:
@@ -1163,6 +1163,10 @@ static int vhost_vdpa_probe(struct vdpa_device *vdpa)
int minor;
int r;
+ /* Only support 1 address space and 1 groups */
+ if (vdpa->ngroups != 1 || vdpa->nas != 1)
+ return -EOPNOTSUPP;
+
v = kzalloc(sizeof(*v), GFP_KERNEL | __GFP_RETRY_MAYFAIL);
if (!v)
return -ENOMEM;