Re: [PATCH kernel 9/9] pci: Allow encrypted MMIO mapping via sysfs

Aneesh Kumar K.V
2026-03-02T08:20:51Z

Alexey Kardashevskiy <aik@amd.com> writes:

> Add another resource#d_enc to allow mapping MMIO as
> an encrypted/private region.
>
> Unlike resourceN_wc, the node is added always as ability to
> map MMIO as private depends on negotiation with the TSM which
> happens quite late.

Why is this needed? Is this for a specific tool?

-aneesh