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 12 struct drm_i915_gem_object; 13 struct drm_i915_private; 14 struct intel_pxp; 15 16 bool intel_pxp_is_supported(const struct intel_pxp *pxp); 17 bool intel_pxp_is_enabled(const struct intel_pxp *pxp); 18 bool intel_pxp_is_active(const struct intel_pxp *pxp); 19 20 int intel_pxp_init(struct drm_i915_private *i915); 21 void intel_pxp_fini(struct drm_i915_private *i915); 22 23 void intel_pxp_init_hw(struct intel_pxp *pxp); 24 void intel_pxp_fini_hw(struct intel_pxp *pxp); 25 26 void intel_pxp_mark_termination_in_progress(struct intel_pxp *pxp); 27 void intel_pxp_tee_end_arb_fw_session(struct intel_pxp *pxp, u32 arb_session_id); 28 29 int intel_pxp_get_readiness_status(struct intel_pxp *pxp); 30 int intel_pxp_get_backend_timeout_ms(struct intel_pxp *pxp); 31 int intel_pxp_start(struct intel_pxp *pxp); 32 void intel_pxp_end(struct intel_pxp *pxp); 33 34 int intel_pxp_key_check(struct intel_pxp *pxp, 35 struct drm_i915_gem_object *obj, 36 bool assign); 37 38 void intel_pxp_invalidate(struct intel_pxp *pxp); 39 40 #endif /* __INTEL_PXP_H__ */ 41