Re: [PATCH 3/3] vDPA/ifcvf: get_config_size should return dev specific config size
From: Jason Wang <jasowang@redhat.com>
Date: 2021-04-15 03:37:00
Also in:
kvm, lkml, netdev
在 2021/4/14 下午5:18, Zhu Lingshan 写道:
get_config_size() should return the size based on the decected device type. Signed-off-by: Zhu Lingshan <redacted>
Acked-by: Jason Wang <jasowang@redhat.com>
quoted hunk
--- drivers/vdpa/ifcvf/ifcvf_main.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-)diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c index 9b6a38b798fa..b48b9789b69e 100644 --- a/drivers/vdpa/ifcvf/ifcvf_main.c +++ b/drivers/vdpa/ifcvf/ifcvf_main.c@@ -347,7 +347,16 @@ 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_hw *vf = vdpa_to_vf(vdpa_dev); + size_t size; + + if (vf->dev_type == VIRTIO_ID_NET) + size = sizeof(struct virtio_net_config); + + if (vf->dev_type == VIRTIO_ID_BLOCK) + size = sizeof(struct virtio_blk_config); + + return size; } static void ifcvf_vdpa_get_config(struct vdpa_device *vdpa_dev,
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