Hi Bharat, On 3/23/20 9:46 AM, Bharat Bhushan wrote: > Add optional interface to set page size mask. > Currently this is set global configuration and not > per endpoint. This allows to override the page size mask per end-point? > > Signed-off-by: Bharat Bhushan <bbhush...@marvell.com> > --- > include/hw/virtio/virtio-iommu.h | 1 + > hw/virtio/virtio-iommu.c | 9 +++++++++ > 2 files changed, 10 insertions(+) > > diff --git a/include/hw/virtio/virtio-iommu.h > b/include/hw/virtio/virtio-iommu.h > index 6f67f1020a..4efa09610a 100644 > --- a/include/hw/virtio/virtio-iommu.h > +++ b/include/hw/virtio/virtio-iommu.h > @@ -35,6 +35,7 @@ typedef struct IOMMUDevice { > void *viommu; > PCIBus *bus; > int devfn; > + uint64_t page_size_mask; > IOMMUMemoryRegion iommu_mr; > AddressSpace as; > } IOMMUDevice; > diff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c > index 4cee8083bc..a28818202c 100644 > --- a/hw/virtio/virtio-iommu.c > +++ b/hw/virtio/virtio-iommu.c > @@ -650,6 +650,14 @@ 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); > + > + sdev->page_size_mask = page_size_mask; > +} > + > static void virtio_iommu_device_realize(DeviceState *dev, Error **errp) > { > VirtIODevice *vdev = VIRTIO_DEVICE(dev); > @@ -865,6 +873,7 @@ 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 = { > Thanks
Eric