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

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Date:   Thu, 11 Mar 2021 14:14:47 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     Zhu Lingshan <lingshan.zhu@...ux.intel.com>,
        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 2021/3/11 12:23 下午, Zhu Lingshan wrote:
>
>
> On 3/11/2021 11:25 AM, Jason Wang wrote:
>>
>> 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
> Hi Jason,
>
> Thanks! but maybe if we present a very simple and clear list like what 
> e1000 does can help the users understand what we support easily.
>
> Thanks!


That's fine.

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,
>>
>