netdev - Re: [PATCH RESEND 1/2] virtio: update virtio id table, add transitional ids

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Date:   Mon, 31 May 2021 17:57:47 +0800
From:   "Zhu, Lingshan" <lingshan.zhu@...el.com>
To:     Cornelia Huck <cohuck@...hat.com>
Cc:     jasowang@...hat.com, mst@...hat.com,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        kvm@...r.kernel.org
Subject: Re: [PATCH RESEND 1/2] virtio: update virtio id table, add
 transitional ids



On 5/31/2021 3:58 PM, Cornelia Huck wrote:
> On Mon, 31 May 2021 15:27:42 +0800
> Zhu Lingshan <lingshan.zhu@...el.com> wrote:
>
>> This commit updates virtio id table by adding transitional device
>> ids
>> virtio_pci_common.h
>> Signed-off-by: Zhu Lingshan <lingshan.zhu@...el.com>
>> ---
>>   include/uapi/linux/virtio_ids.h | 12 ++++++++++++
>>   1 file changed, 12 insertions(+)
>>
>> diff --git a/include/uapi/linux/virtio_ids.h b/include/uapi/linux/virtio_ids.h
>> index f0c35ce8628c..fcc9ec6a73c1 100644
>> --- a/include/uapi/linux/virtio_ids.h
>> +++ b/include/uapi/linux/virtio_ids.h
>> @@ -57,4 +57,16 @@
>>   #define VIRTIO_ID_BT			28 /* virtio bluetooth */
>>   #define VIRTIO_ID_MAC80211_HWSIM	29 /* virtio mac80211-hwsim */
>>   
>> +/*
>> + * Virtio Transitional IDs
>> + */
>> +
>> +#define VIRTIO_TRANS_ID_NET		1000 /* transitional virtio net */
>> +#define VIRTIO_TRANS_ID_BLOCK		1001 /* transitional virtio block */
>> +#define VIRTIO_TRANS_ID_BALLOON		1002 /* transitional virtio balloon */
>> +#define VIRTIO_TRANS_ID_CONSOLE		1003 /* transitional virtio console */
>> +#define VIRTIO_TRANS_ID_SCSI		1004 /* transitional virtio SCSI */
>> +#define VIRTIO_TRANS_ID_RNG		1005 /* transitional virtio rng */
>> +#define VIRTIO_TRANS_ID_9P		1009 /* transitional virtio 9p console */
>> +
>>   #endif /* _LINUX_VIRTIO_IDS_H */
> Isn't this a purely virtio-pci concept? (The spec lists the virtio ids
> in the common section, and those transitional ids in the pci section.)
> IOW, is there a better, virtio-pci specific, header for this?
Hi Cornelia,

yes they are pure virtio-pci transitional concept. There is a 
virtio_pci.h, but not looks like
a good place for these stuffs, Michael ever suggested to add these ids 
to virtio_ids.h, so I have
chosen this file.

https://www.spinics.net/lists/netdev/msg739269.html

Thanks
Zhu Lingshan
>