[PATCH v8 4/8] virtio-iommu: set supported page size mask

[Bharat Bhushan]

Add optional interface to set page size mask.
Currently this is set global configuration and not
per endpoint.

Signed-off-by: Bharat Bhushan <address@hidden>
---
v7->v8:
 - new patch

 hw/virtio/virtio-iommu.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c
index 4cee8083bc..c00a55348d 100644
--- a/hw/virtio/virtio-iommu.c
+++ b/hw/virtio/virtio-iommu.c
@@ -650,6 +650,15 @@ static gint int_cmp(gconstpointer a, gconstpointer b, 
gpointer user_data)
     return (ua > ub) - (ua < ub);
 }
 
+static void virtio_iommu_set_page_size_mask(IOMMUMemoryRegion *mr,
+                                            uint64_t page_size_mask)
+{
+    IOMMUDevice *sdev = container_of(mr, IOMMUDevice, iommu_mr);
+    VirtIOIOMMU *s = sdev->viommu;
+
+    s->config.page_size_mask = page_size_mask;
+}
+
 static void virtio_iommu_device_realize(DeviceState *dev, Error **errp)
 {
     VirtIODevice *vdev = VIRTIO_DEVICE(dev);
@@ -865,6 +874,7 @@ static void 
virtio_iommu_memory_region_class_init(ObjectClass *klass,
     IOMMUMemoryRegionClass *imrc = IOMMU_MEMORY_REGION_CLASS(klass);
 
     imrc->translate = virtio_iommu_translate;
+    imrc->iommu_set_page_size_mask = virtio_iommu_set_page_size_mask;
 }
 
 static const TypeInfo virtio_iommu_info = {
-- 
2.17.1