HostIOMMUDevice: Introduce get_page_size_mask() callback
This callback will be used to retrieve the page size mask supported
along a given Host IOMMU device.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
diff --git a/hw/vfio/container.c b/hw/vfio/container.c
index ddd8359..425db1a 100644
--- a/hw/vfio/container.c
+++ b/hw/vfio/container.c
@@ -1173,6 +1173,15 @@
return vfio_container_get_iova_ranges(vdev->bcontainer);
}
+static uint64_t
+hiod_legacy_vfio_get_page_size_mask(HostIOMMUDevice *hiod)
+{
+ VFIODevice *vdev = hiod->agent;
+
+ g_assert(vdev);
+ return vfio_container_get_page_size_mask(vdev->bcontainer);
+}
+
static void vfio_iommu_legacy_instance_init(Object *obj)
{
VFIOContainer *container = VFIO_IOMMU_LEGACY(obj);
@@ -1187,6 +1196,7 @@
hioc->realize = hiod_legacy_vfio_realize;
hioc->get_cap = hiod_legacy_vfio_get_cap;
hioc->get_iova_ranges = hiod_legacy_vfio_get_iova_ranges;
+ hioc->get_page_size_mask = hiod_legacy_vfio_get_page_size_mask;
};
static const TypeInfo types[] = {
diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c
index 211e722..7b5f87a 100644
--- a/hw/vfio/iommufd.c
+++ b/hw/vfio/iommufd.c
@@ -652,12 +652,23 @@
return vfio_container_get_iova_ranges(vdev->bcontainer);
}
+static uint64_t
+hiod_iommufd_vfio_get_page_size_mask(HostIOMMUDevice *hiod)
+{
+ VFIODevice *vdev = hiod->agent;
+
+ g_assert(vdev);
+ return vfio_container_get_page_size_mask(vdev->bcontainer);
+}
+
+
static void hiod_iommufd_vfio_class_init(ObjectClass *oc, void *data)
{
HostIOMMUDeviceClass *hiodc = HOST_IOMMU_DEVICE_CLASS(oc);
hiodc->realize = hiod_iommufd_vfio_realize;
hiodc->get_iova_ranges = hiod_iommufd_vfio_get_iova_ranges;
+ hiodc->get_page_size_mask = hiod_iommufd_vfio_get_page_size_mask;
};
static const TypeInfo types[] = {
diff --git a/include/hw/vfio/vfio-container-base.h b/include/hw/vfio/vfio-container-base.h
index 45d7c40..62a8b60 100644
--- a/include/hw/vfio/vfio-container-base.h
+++ b/include/hw/vfio/vfio-container-base.h
@@ -88,6 +88,13 @@
GList *vfio_container_get_iova_ranges(const VFIOContainerBase *bcontainer);
+static inline uint64_t
+vfio_container_get_page_size_mask(const VFIOContainerBase *bcontainer)
+{
+ assert(bcontainer);
+ return bcontainer->pgsizes;
+}
+
#define TYPE_VFIO_IOMMU "vfio-iommu"
#define TYPE_VFIO_IOMMU_LEGACY TYPE_VFIO_IOMMU "-legacy"
#define TYPE_VFIO_IOMMU_SPAPR TYPE_VFIO_IOMMU "-spapr"
diff --git a/include/sysemu/host_iommu_device.h b/include/sysemu/host_iommu_device.h
index 05c7324..c1bf74a 100644
--- a/include/sysemu/host_iommu_device.h
+++ b/include/sysemu/host_iommu_device.h
@@ -89,6 +89,14 @@
* @hiod: handle to the host IOMMU device
*/
GList* (*get_iova_ranges)(HostIOMMUDevice *hiod);
+ /**
+ *
+ * @get_page_size_mask: Return the page size mask supported along this
+ * @hiod Host IOMMU device
+ *
+ * @hiod: handle to the host IOMMU device
+ */
+ uint64_t (*get_page_size_mask)(HostIOMMUDevice *hiod);
};
/*
