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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_i915_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 intel_pxp *pxp,35 struct drm_i915_gem_object *obj,36 bool assign);37 38void intel_pxp_invalidate(struct intel_pxp *pxp);39 40#endif /* __INTEL_PXP_H__ */41