On Tue, Feb 20, 2018 at 07:19:27PM -0800, Feng Kan wrote:
> The Ampere Computing PCIe root port does not support ACS at this point.
> However, the hardware provides isolation and source validation through the
> SMMU. The stream ID generated by the PCIe ports contain both the
> bus/device/function n
The Ampere Computing PCIe root port does not support ACS at this point.
However, the hardware provides isolation and source validation through the
SMMU. The stream ID generated by the PCIe ports contain both the
bus/device/function number as well as the port ID in its 3 most significant
bits. Turn
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