netdev - Re: [PATCH V3 3/6] vDPA/ifcvf: rename original IFCVF dev ids to N3000 ids

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Message-ID: <5e2b22cc-7faa-2987-a30a-ce32f10099b6@redhat.com>
Date:   Thu, 11 Mar 2021 11:25:56 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     Zhu Lingshan <lingshan.zhu@...el.com>, mst@...hat.com,
        lulu@...hat.com, leonro@...dia.com
Cc:     virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V3 3/6] vDPA/ifcvf: rename original IFCVF dev ids to N3000
 ids


On 2021/3/10 5:00 下午, Zhu Lingshan wrote:
> IFCVF driver probes multiple types of devices now,
> to distinguish the original device driven by IFCVF
> from others, it is renamed as "N3000".
>
> Signed-off-by: Zhu Lingshan <lingshan.zhu@...el.com>
> ---
>   drivers/vdpa/ifcvf/ifcvf_base.h | 8 ++++----
>   drivers/vdpa/ifcvf/ifcvf_main.c | 8 ++++----
>   2 files changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/vdpa/ifcvf/ifcvf_base.h b/drivers/vdpa/ifcvf/ifcvf_base.h
> index 75d9a8052039..794d1505d857 100644
> --- a/drivers/vdpa/ifcvf/ifcvf_base.h
> +++ b/drivers/vdpa/ifcvf/ifcvf_base.h
> @@ -18,10 +18,10 @@
>   #include <uapi/linux/virtio_config.h>
>   #include <uapi/linux/virtio_pci.h>
>   
> -#define IFCVF_VENDOR_ID		0x1AF4
> -#define IFCVF_DEVICE_ID		0x1041
> -#define IFCVF_SUBSYS_VENDOR_ID	0x8086
> -#define IFCVF_SUBSYS_DEVICE_ID	0x001A
> +#define N3000_VENDOR_ID		0x1AF4
> +#define N3000_DEVICE_ID		0x1041
> +#define N3000_SUBSYS_VENDOR_ID	0x8086
> +#define N3000_SUBSYS_DEVICE_ID	0x001A
>   
>   #define C5000X_PL_VENDOR_ID		0x1AF4
>   #define C5000X_PL_DEVICE_ID		0x1000
> diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
> index 26a2dab7ca66..fd5befc5cbcc 100644
> --- a/drivers/vdpa/ifcvf/ifcvf_main.c
> +++ b/drivers/vdpa/ifcvf/ifcvf_main.c
> @@ -480,10 +480,10 @@ static void ifcvf_remove(struct pci_dev *pdev)
>   }
>   
>   static struct pci_device_id ifcvf_pci_ids[] = {
> -	{ PCI_DEVICE_SUB(IFCVF_VENDOR_ID,
> -		IFCVF_DEVICE_ID,
> -		IFCVF_SUBSYS_VENDOR_ID,
> -		IFCVF_SUBSYS_DEVICE_ID) },
> +	{ PCI_DEVICE_SUB(N3000_VENDOR_ID,
> +			 N3000_DEVICE_ID,


I am not sure the plan for Intel but I wonder if we can simply use 
PCI_ANY_ID for device id here. Otherewise you need to maintain a very 
long list of ids here.

Thanks


> +			 N3000_SUBSYS_VENDOR_ID,
> +			 N3000_SUBSYS_DEVICE_ID) },
>   	{ PCI_DEVICE_SUB(C5000X_PL_VENDOR_ID,
>   			 C5000X_PL_DEVICE_ID,
>   			 C5000X_PL_SUBSYS_VENDOR_ID,