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 V2 3/3] vDPA/ifcvf: get_config_size should return dev specific config size
Date: Thu, 15 Apr 2021 17:53:36 +0800 [thread overview]
Message-ID: <20210415095336.4792-4-lingshan.zhu@intel.com> (raw)
In-Reply-To: <20210415095336.4792-1-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>
---
drivers/vdpa/ifcvf/ifcvf_main.c | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
index cea1313b1a3f..6844c49fe1de 100644
--- a/drivers/vdpa/ifcvf/ifcvf_main.c
+++ b/drivers/vdpa/ifcvf/ifcvf_main.c
@@ -347,7 +347,23 @@ 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;
+
+ if (vf->dev_type == VIRTIO_ID_NET)
+ size = sizeof(struct virtio_net_config);
+
+ else if (vf->dev_type == VIRTIO_ID_BLOCK)
+ size = sizeof(struct virtio_blk_config);
+
+ else {
+ 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:[~2021-04-15 9:59 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-15 9:53 [PATCH V2 0/3] vDPA/ifcvf: enables Intel C5000X-PL virtio-blk Zhu Lingshan
2021-04-15 9:53 ` [PATCH V2 1/3] vDPA/ifcvf: deduce VIRTIO device ID when probe Zhu Lingshan
2021-04-15 9:53 ` [PATCH V2 2/3] vDPA/ifcvf: enable Intel C5000X-PL virtio-block for vDPA Zhu Lingshan
2021-04-15 13:41 ` Stefano Garzarella
2021-04-16 2:43 ` Zhu Lingshan
2021-04-15 9:53 ` Zhu Lingshan [this message]
2021-04-15 13:48 ` [PATCH V2 3/3] vDPA/ifcvf: get_config_size should return dev specific config size Stefano Garzarella
2021-04-16 2:42 ` Zhu Lingshan
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