From: Zhu Lingshan <lingshan.zhu@intel.com>
To: jasowang@redhat.com, mst@redhat.com, lulu@redhat.com,
sgarzare@redhat.com
Cc: virtualization@lists.linux-foundation.org,
netdev@vger.kernel.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org,
Zhu Lingshan <lingshan.zhu@intel.com>
Subject: [PATCH V4 3/3] vDPA/ifcvf: get_config_size should return dev specific config size
Date: Mon, 19 Apr 2021 14:33:26 +0800 [thread overview]
Message-ID: <20210419063326.3748-4-lingshan.zhu@intel.com> (raw)
In-Reply-To: <20210419063326.3748-1-lingshan.zhu@intel.com>
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>
---
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 9a4a6df91f08..e48e6b74fe2e 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
next prev parent reply other threads:[~2021-04-19 6:39 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-19 6:33 [PATCH V4 0/3] vDPA/ifcvf: enables Intel C5000X-PL virtio-blk Zhu Lingshan
2021-04-19 6:33 ` [PATCH V4 1/3] vDPA/ifcvf: deduce VIRTIO device ID when probe Zhu Lingshan
2021-04-20 2:56 ` Jason Wang
2021-04-20 2:56 ` Jason Wang
2021-04-19 6:33 ` [PATCH V4 2/3] vDPA/ifcvf: enable Intel C5000X-PL virtio-block for vDPA Zhu Lingshan
2021-05-03 8:47 ` Michael S. Tsirkin
2021-05-03 8:47 ` Michael S. Tsirkin
2021-05-06 3:11 ` Zhu, Lingshan
2021-04-19 6:33 ` Zhu Lingshan [this message]
2021-11-24 15:39 ` [PATCH V4 0/3] vDPA/ifcvf: enables Intel C5000X-PL virtio-blk Stefano Garzarella
2021-11-24 15:39 ` Stefano Garzarella
2021-11-25 2:12 ` Zhu, Lingshan
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