On 08/05/2014 11:30 AM, Alexey Kardashevskiy wrote:
> On 07/31/2014 07:34 PM, Alexey Kardashevskiy wrote:
>> At the moment sPAPR PHB supports only a single 32bit window
>> which is normally 1..2GB which is not enough for high performance devices.
>>
>> PAPR spec enables creating an additional windo
On 07/31/2014 07:34 PM, Alexey Kardashevskiy wrote:
> At the moment sPAPR PHB supports only a single 32bit window
> which is normally 1..2GB which is not enough for high performance devices.
>
> PAPR spec enables creating an additional window(s) to support 64bit
> DMA and bigger page sizes.
>
> T
At the moment sPAPR PHB supports only a single 32bit window
which is normally 1..2GB which is not enough for high performance devices.
PAPR spec enables creating an additional window(s) to support 64bit
DMA and bigger page sizes.
This patchset adds DDW support for pseries. The host kernel changes