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Subject: Re: [PATCH 1/3] vDPA/ifcvf: get_vendor_id returns a device specific
 vendor id
To:     Zhu Lingshan <lingshan.zhu@intel.com>, mst@redhat.com,
        lulu@redhat.com
Cc:     virtualization@lists.linux-foundation.org, netdev@vger.kernel.org,
        kvm@vger.kernel.org, linux-kernel@vger.kernel.org
References: <20210305142000.18521-1-lingshan.zhu@intel.com>
 <20210305142000.18521-2-lingshan.zhu@intel.com>
From:   Jason Wang <jasowang@redhat.com>
Message-ID: <cd58ab69-0a31-a990-2ce4-4b48f1192a01@redhat.com>
Date:   Mon, 8 Mar 2021 10:51:47 +0800
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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 <lingshan.zhu@intel.com>
> ---
>   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 <jasowang@redhat.com>


>   
>   static u32 ifcvf_vdpa_get_vq_align(struct vdpa_device *vdpa_dev)