62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
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/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2014-2019 Intel Corporation
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*/
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#ifndef _INTEL_HUC_H_
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#define _INTEL_HUC_H_
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#include "i915_reg_defs.h"
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#include "intel_uc_fw.h"
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#include "intel_huc_fw.h"
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struct intel_huc {
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/* Generic uC firmware management */
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struct intel_uc_fw fw;
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/* HuC-specific additions */
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struct {
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i915_reg_t reg;
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u32 mask;
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u32 value;
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} status;
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};
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void intel_huc_init_early(struct intel_huc *huc);
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int intel_huc_init(struct intel_huc *huc);
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void intel_huc_fini(struct intel_huc *huc);
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int intel_huc_auth(struct intel_huc *huc);
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int intel_huc_check_status(struct intel_huc *huc);
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void intel_huc_update_auth_status(struct intel_huc *huc);
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static inline int intel_huc_sanitize(struct intel_huc *huc)
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{
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intel_uc_fw_sanitize(&huc->fw);
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return 0;
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}
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static inline bool intel_huc_is_supported(struct intel_huc *huc)
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{
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return intel_uc_fw_is_supported(&huc->fw);
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}
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static inline bool intel_huc_is_wanted(struct intel_huc *huc)
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{
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return intel_uc_fw_is_enabled(&huc->fw);
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}
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static inline bool intel_huc_is_used(struct intel_huc *huc)
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{
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GEM_BUG_ON(__intel_uc_fw_status(&huc->fw) == INTEL_UC_FIRMWARE_SELECTED);
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return intel_uc_fw_is_available(&huc->fw);
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}
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static inline bool intel_huc_is_loaded_by_gsc(const struct intel_huc *huc)
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{
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return huc->fw.loaded_via_gsc;
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}
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void intel_huc_load_status(struct intel_huc *huc, struct drm_printer *p);
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#endif
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