Re: [Qemu-devel] TCP based PCIE request forwarding

[lementec fabien <fabien.lementec@gmail.com>]

Hi,

Thanks, it is actually a good idea to start with. I will write a spec
based on an improved version of what I have already implemented.
I think I will have some time this week, I will keep you updated soon.

Best regards,

Fabien.

2012/11/19 Stefan Hajnoczi <stefanha@gmail.com>:
> On Fri, Nov 16, 2012 at 02:05:29PM +0100, lementec fabien wrote:
>> Actually, I wanted to be independant of the QEMU event loop. Plus,
>> some proprietary simulation environment provides a closed socket
>> based interface to 'stimulate' the emulated device, at the PCIE level
>> for instance. These environments are sometimes installed on cluster
>> not running QEMU. The socket based approach fits quite well.
>>
>> Not knowing about QEMU internals, I spent some hours trying to find
>> out the best way to plug into QEMU, and did not find ivhsmem appropriate.
>> Honestly, I wanted to have a working solution asap, and it did not take
>> long before I opted for the socket based approach. Now that it is working,
>> I can take time to reconsider stuffs according to others need, and ideally
>> an integration to QEMU.
>
> I suggest writing up a spec for the socket protocol.  It can be put in
> docs/specs/ (like the ivshmem spec).
>
> This is both a good way to increase discussion and important for others
> who may wish to make use of this feature.
>
> Stefan