2021-03-05 14:28:22

by Zhu, Lingshan

Subject: [PATCH 1/3] vDPA/ifcvf: get_vendor_id returns a device specific vendor id

In this commit, ifcvf_get_vendor_id() will return
a device specific vendor id of the probed pci device
than a hard code.

Signed-off-by: Zhu Lingshan <[email protected]>
---
drivers/vdpa/ifcvf/ifcvf_main.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
index fa1af301cf55..e501ee07de17 100644
--- a/drivers/vdpa/ifcvf/ifcvf_main.c
+++ b/drivers/vdpa/ifcvf/ifcvf_main.c
@@ -324,7 +324,10 @@ static u32 ifcvf_vdpa_get_device_id(struct vdpa_device *vdpa_dev)

static u32 ifcvf_vdpa_get_vendor_id(struct vdpa_device *vdpa_dev)
{
- return IFCVF_SUBSYS_VENDOR_ID;
+ struct ifcvf_adapter *adapter = vdpa_to_adapter(vdpa_dev);
+ struct pci_dev *pdev = adapter->pdev;
+
+ return pdev->subsystem_vendor;
}

static u32 ifcvf_vdpa_get_vq_align(struct vdpa_device *vdpa_dev)
--
2.27.0

2021-03-08 08:37:18

by Jason Wang

Subject: Re: [PATCH 1/3] vDPA/ifcvf: get_vendor_id returns a device specific vendor id

On 2021/3/5 10:19 下午, Zhu Lingshan wrote:
> In this commit, ifcvf_get_vendor_id() will return
> a device specific vendor id of the probed pci device
> than a hard code.
>
> Signed-off-by: Zhu Lingshan <[email protected]>
> ---
> drivers/vdpa/ifcvf/ifcvf_main.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
> index fa1af301cf55..e501ee07de17 100644
> --- a/drivers/vdpa/ifcvf/ifcvf_main.c
> +++ b/drivers/vdpa/ifcvf/ifcvf_main.c
> @@ -324,7 +324,10 @@ static u32 ifcvf_vdpa_get_device_id(struct vdpa_device *vdpa_dev)
>
> static u32 ifcvf_vdpa_get_vendor_id(struct vdpa_device *vdpa_dev)
> {
> - return IFCVF_SUBSYS_VENDOR_ID;
> + struct ifcvf_adapter *adapter = vdpa_to_adapter(vdpa_dev);
> + struct pci_dev *pdev = adapter->pdev;
> +
> + return pdev->subsystem_vendor;
> }


Acked-by: Jason Wang <[email protected]>



>
> static u32 ifcvf_vdpa_get_vq_align(struct vdpa_device *vdpa_dev)