Jason Wang
2021-Apr-19 03:17 UTC
[PATCH V3 3/3] vDPA/ifcvf: get_config_size should return dev specific config size
? 2021/4/16 ??3:16, Zhu Lingshan ??:> get_config_size() should return the size based on the decected > device type. > > Signed-off-by: Zhu Lingshan <lingshan.zhu at intel.com>Acked-by: Jason Wang <jasowang at redhat.com>> --- > drivers/vdpa/ifcvf/ifcvf_main.c | 19 ++++++++++++++++++- > 1 file changed, 18 insertions(+), 1 deletion(-) > > 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,