Hi,

  I’m not actually sure where the latest public release of the xengt code is. 
Perhaps someone from Intel can comment?

  Otherwise, if you grab the source ISOs from xenserver.org you can look in the 
SRPM for xengt. The xengt kernel module is responsible for auditing the 
servicing the GPU commands from guests.

  Cheers,

  Paul


From: bharat gohil [mailto:ghl.b...@gmail.com]
Sent: 23 February 2017 12:30
To: Paul Durrant <paul.durr...@citrix.com>
Cc: Anshul Makkar <anshul.mak...@citrix.com>; xen-de...@lists.xenproject.org
Subject: Re: [Xen-devel] XenGT GPU virtualization

Thanks paul and anshul
Can you guys point out source code which is audit the GPU command?

Thanks
Bharat

On Mon, Feb 20, 2017 at 9:01 PM, Paul Durrant 
<paul.durr...@citrix.com<mailto:paul.durr...@citrix.com>> wrote:
No, that’s not correct. The GPU commands are whitelisted and only the commands 
that can be audited are handled.

  Paul

From: Xen-devel 
[mailto:xen-devel-boun...@lists.xen.org<mailto:xen-devel-boun...@lists.xen.org>]
 On Behalf Of anshul makkar
Sent: 20 February 2017 15:16
To: bharat gohil <ghl.b...@gmail.com<mailto:ghl.b...@gmail.com>>; 
xen-de...@lists.xenproject.org<mailto:xen-de...@lists.xenproject.org>
Subject: Re: [Xen-devel] XenGT GPU virtualization




On 18/01/17 13:21, bharat gohil wrote:
Hello

I am new to GPU and GPU virtualization and found that xen support intel GPU 
virtualization using XenGT.
I want to know,
1) What are the critical GPU command pass from xen to Dom0?
2) How the Dom0 mediator or xen validate the GPU command which is passed from 
domU GPU driver?
3) If one of the domU guest send bad(malicious) command to GPU which led GPU to 
bad state. Can Dom0 mediator or xen prevents this kind of scenario?
As far as I know, there is know mediation to check for the commands. Xen does 
audit the target address space, but not GPU commands.

--
Regards,
Bharat Gohil




_______________________________________________

Xen-devel mailing list

Xen-devel@lists.xen.org<mailto:Xen-devel@lists.xen.org>

https://lists.xen.org/xen-devel




--
Regards,
Bharat Gohil
Sr.Software Engineer
bharat.go...@harman.com<mailto:bharat.go...@harman.com>
+919427054633
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel

Reply via email to