On 2015/9/23 9:55, chenfeng wrote:
> Hi all,
>
> In IOMMU architecture , how to make two different peripherals share the same
> page table ?
>
> In other words , is there a mechanism or structure to make two peripherals
> get completely different address.
>
> eg:
>
> peri-A、peri-B and peri-C share the same iova address 0-1G for some
> performance requests.
>
> So the A,B,C need to use the same IOVA generator to ensure this,but I don't
> find an architecture to make this.
>
> Any help will be appreciated.
Hi Chenfeng,
Seems IOMMU group may help you, please take a look at
Documentation/vfio.txt.
Thanks!
Gerry
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