[coreboot] VT-d support

Zaolin zaolin at das-labor.org
Mon Jun 5 18:32:23 CEST 2017


You are asking for VT-d support. You are talking about Intel platforms ?

But for which specific platform you are asking for ? There are so many..


Am 05.06.2017 um 10:24 schrieb Himanshu Chauhan:
>
>> On 05-Jun-2017, at 9:41 PM, ron minnich <rminnich at gmail.com> wrote:
>>
>>
>>
>> On Mon, Jun 5, 2017 at 9:00 AM Himanshu Chauhan <hschauhan at nulltrace.org> wrote:
>> Hi,
>>
>> VT-d requires support from BIOS. Does coreboot support VT-d?
>>
>>
>>
>> what support does it need?  
> BIOS adds DMAR and other entries in the ACPI table. I am not quite sure how these entries are formed exactly though.
>
> https://www.mjmwired.net/kernel/Documentation/Intel-IOMMU.txt
>
> http://www.intel.com/content/dam/www/public/us/en/documents/product-specifications/vt-directed-io-spec.pdf
>
> Is anybody working on this?
>
> Regards
> Himanshu
>
>
>
>


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