On 2/5/21 6:53 PM, Parav Pandit wrote:
>
>
>> From: Jason Wang <jasowang@xxxxxxxxxx>
>> Sent: Friday, February 5, 2021 9:11 AM
>>
>>
>> On 2021/2/4 下午7:15, Adrian Moreno wrote:
>>> Sorry I have not followed this work as close as I would have wanted.
>>> Some questions below.
>>>
>>> On 2/4/21 4:16 AM, Jason Wang wrote:
>>>> On 2021/2/2 下午6:35, Parav Pandit wrote:
>>>>> Linux vdpa interface allows vdpa device management functionality.
>>>>> This includes adding, removing, querying vdpa devices.
>>>>>
>>>>> vdpa interface also includes showing supported management devices
>>>>> which support such operations.
>>>>>
>>>>> This patchset includes kernel uapi headers and a vdpa tool.
>>>>>
>>>>> examples:
>>>>>
>>>>> $ vdpa mgmtdev show
>>>>> vdpasim:
>>>>> supported_classes net
>>>>>
>>>>> $ vdpa mgmtdev show -jp
>>>>> {
>>>>> "show": {
>>>>> "vdpasim": {
>>>>> "supported_classes": [ "net" ]
>>>>> }
>>>>> }
>>>>> }
>>>>>
>>> How can a user establish the relationship between a mgmtdev and it's
>>> parent device (pci vf, sf, etc)?
>>
>>
>> Parav should know more but I try to answer.
>>
>> I think there should be BDF information in the mgmtdev show command if
>> the parent is a PCI device, or we can simply show the parent here?
>>
> Yes, it is present in the mgmtdev show command.
> I should have added the example from the kernel cover letter here.
> Link to the kernel cover letter is at
>
> An example for real PCI PF,VF,SF device looks like below.
> I will cover below example to the v4 cover letter while addressing David's comment for header file relocation.
>
> $ vdpa mgmtdev list
> pci/0000:03.00:0
> supported_classes
> net
> pci/0000:03.00:4
> supported_classes
> net
> auxiliary/mlx5_core.sf.8
> supported_classes
> net
>
> [1] https://lore.kernel.org/netdev/20210105103203.82508-1-parav@xxxxxxxxxx/
>
Thanks Parav
--
Adrián Moreno
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