1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright(c) 2020, Intel Corporation. All rights reserved.
4 */
5
6#ifndef __INTEL_PXP_H__
7#define __INTEL_PXP_H__
8
9#include <linux/errno.h>
10#include <linux/types.h>
11
12struct drm_gem_object;
13struct drm_i915_private;
14struct intel_pxp;
15
16bool intel_pxp_is_supported(const struct intel_pxp *pxp);
17bool intel_pxp_is_enabled(const struct intel_pxp *pxp);
18bool intel_pxp_is_active(const struct intel_pxp *pxp);
19
20int intel_pxp_init(struct drm_i915_private *i915);
21void intel_pxp_fini(struct drm_i915_private *i915);
22
23void intel_pxp_init_hw(struct intel_pxp *pxp);
24void intel_pxp_fini_hw(struct intel_pxp *pxp);
25
26void intel_pxp_mark_termination_in_progress(struct intel_pxp *pxp);
27void intel_pxp_tee_end_arb_fw_session(struct intel_pxp *pxp, u32 arb_session_id);
28
29int intel_pxp_get_readiness_status(struct intel_pxp *pxp, int timeout_ms);
30int intel_pxp_get_backend_timeout_ms(struct intel_pxp *pxp);
31int intel_pxp_start(struct intel_pxp *pxp);
32void intel_pxp_end(struct intel_pxp *pxp);
33
34int intel_pxp_key_check(struct drm_gem_object *obj, bool assign);
35
36void intel_pxp_invalidate(struct intel_pxp *pxp);
37
38#endif /* __INTEL_PXP_H__ */
39