Re: [dpdk-dev] [PATCH 04/15] net/virtio: add virtio PCI subsystem device ID declaration

[Maxime Coquelin]

On 9/2/19 8:14 AM, Tiwei Bie wrote:
> On Thu, Aug 29, 2019 at 09:59:49AM +0200, Maxime Coquelin wrote:
>> The Virtio PCI susbsytem IDs need to be specified to
>> prevent it to probe IFC vDPA VFs.
>>
>> Signed-off-by: Maxime Coquelin <maxime.coque...@redhat.com>
>> ---
>>  drivers/net/virtio/virtio_pci.h | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/net/virtio/virtio_pci.h 
>> b/drivers/net/virtio/virtio_pci.h
>> index a38cb45ad..56f89a454 100644
>> --- a/drivers/net/virtio/virtio_pci.h
>> +++ b/drivers/net/virtio/virtio_pci.h
>> @@ -19,6 +19,7 @@ struct virtnet_ctl;
>>  #define VIRTIO_PCI_VENDORID     0x1AF4
>>  #define VIRTIO_PCI_LEGACY_DEVICEID_NET 0x1000
>>  #define VIRTIO_PCI_MODERN_DEVICEID_NET 0x1041
>> +#define VIRTIO_PCI_SUBSY_DEVICEID_NET 0x1100
> 
> 0x1100 is the subsystem device ID used by QEMU.
> Maybe naming it VIRTIO_PCI_SUBSYS_DEVICEID_QEMU is better?

Indeed, will do.

Thanks,
Maxime

> Regards,
> Tiwei
> 
>>  
>>  /* VirtIO ABI version, this must match exactly. */
>>  #define VIRTIO_PCI_ABI_VERSION 0
>> -- 
>> 2.21.0
>>