Stefano Garzarella
2021-Apr-16 08:47 UTC
[PATCH V3 3/3] vDPA/ifcvf: get_config_size should return dev specific config size
On Fri, Apr 16, 2021 at 03:16:28PM +0800, Zhu Lingshan wrote:>get_config_size() should return the size based on the decected >device type. > >Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com> >--- > drivers/vdpa/ifcvf/ifcvf_main.c | 19 ++++++++++++++++++- > 1 file changed, 18 insertions(+), 1 deletion(-)Reviewed-by: Stefano Garzarella <sgarzare at redhat.com>> >diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c >index 376b2014916a..3b6f7862dbb8 100644 >--- a/drivers/vdpa/ifcvf/ifcvf_main.c >+++ b/drivers/vdpa/ifcvf/ifcvf_main.c >@@ -356,7 +356,24 @@ static u32 ifcvf_vdpa_get_vq_align(struct vdpa_device *vdpa_dev) > > static size_t ifcvf_vdpa_get_config_size(struct vdpa_device *vdpa_dev) > { >- return sizeof(struct virtio_net_config); >+ struct ifcvf_adapter *adapter = vdpa_to_adapter(vdpa_dev); >+ struct ifcvf_hw *vf = vdpa_to_vf(vdpa_dev); >+ struct pci_dev *pdev = adapter->pdev; >+ size_t size; >+ >+ switch (vf->dev_type) { >+ case VIRTIO_ID_NET: >+ size = sizeof(struct virtio_net_config); >+ break; >+ case VIRTIO_ID_BLOCK: >+ size = sizeof(struct virtio_blk_config); >+ break; >+ default: >+ size = 0; >+ IFCVF_ERR(pdev, "VIRTIO ID %u not supported\n", vf->dev_type); >+ } >+ >+ return size; > } > > static void ifcvf_vdpa_get_config(struct vdpa_device *vdpa_dev, >-- >2.27.0 >