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vDPA/ifcvf: get_config_size should return dev specific config size

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get_config_size() should return the size based on the decected
device type.

Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210419063326.3748-4-lingshan.zhu@intel.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Zhu Lingshan 2021-04-19 14:33:26 +08:00 committed by Michael S. Tsirkin
parent 6ad31d162a
commit 5619003173
1 changed files with 18 additions and 1 deletions
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19
drivers/vdpa/ifcvf/ifcvf_main.c
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@ -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,