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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>
This commit is contained in:
Eric Auger 2024-07-01 10:48:56 +02:00 committed by Cédric Le Goater
parent d59ca1ca17
commit 8fe0ebe15d
4 changed files with 36 additions and 0 deletions
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10
hw/vfio/container.c
View File

@ -1173,6 +1173,15 @@ hiod_legacy_vfio_get_iova_ranges(HostIOMMUDevice *hiod)
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 @@ static void hiod_legacy_vfio_class_init(ObjectClass *oc, void *data)
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[] = {

11
hw/vfio/iommufd.c
View File

@ -652,12 +652,23 @@ hiod_iommufd_vfio_get_iova_ranges(HostIOMMUDevice *hiod)
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[] = {

7
include/hw/vfio/vfio-container-base.h
View File

@ -88,6 +88,13 @@ int vfio_container_query_dirty_bitmap(const VFIOContainerBase *bcontainer,
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"

8
include/sysemu/host_iommu_device.h
View File

@ -89,6 +89,14 @@ struct HostIOMMUDeviceClass {
* @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);
};
/*