[Intel-gfx] [PATCH 10/27] drm/i915/pxp: Enable ioctl action to reserve session slot

[Joonas Lahtinen]

Quoting Huang, Sean Z (2020-11-15 23:07:58)
> With this ioctl action, ring3 driver can reserve a specific
> session slot/id assigned by ring0 PXP, as the first step of PXP
> session establishment flow. Ring3 PXP stores the session info in
> the session list structure.

The whole suggested userspace<->kernel API surface should be strictly
moved into i915_drm.h to make review easier. Now it's hard to tell
apart the suggested uAPI from the implementation.

Once the separation is in place, I'll be able to provide more review
comments on the rest of the patches.

Regards, Joonas