drivers/gpu/drm/i915/gt/uc/intel_huc.h

   1 /* SPDX-License-Identifier: MIT */
   2 /*
   3  * Copyright © 2014-2019 Intel Corporation
   4  */
   5
   6 #ifndef _INTEL_HUC_H_
   7 #define _INTEL_HUC_H_
   8
   9 #include "i915_reg.h"
  10 #include "intel_uc_fw.h"
  11 #include "intel_huc_fw.h"
  12
  13 struct intel_huc {
  14         /* Generic uC firmware management */
  15         struct intel_uc_fw fw;
  16
  17         /* HuC-specific additions */
  18         struct i915_vma *rsa_data;
  19
  20         struct {
  21                 i915_reg_t reg;
  22                 u32 mask;
  23                 u32 value;
  24         } status;
  25 };
  26
  27 void intel_huc_init_early(struct intel_huc *huc);
  28 int intel_huc_init(struct intel_huc *huc);
  29 void intel_huc_fini(struct intel_huc *huc);
  30 int intel_huc_auth(struct intel_huc *huc);
  31 int intel_huc_check_status(struct intel_huc *huc);
  32
  33 static inline int intel_huc_sanitize(struct intel_huc *huc)
  34 {
  35         intel_uc_fw_sanitize(&huc->fw);
  36         return 0;
  37 }
  38
  39 static inline bool intel_huc_is_supported(struct intel_huc *huc)
  40 {
  41         return intel_uc_fw_is_supported(&huc->fw);
  42 }
  43
  44 static inline bool intel_huc_is_enabled(struct intel_huc *huc)
  45 {
  46         return intel_uc_fw_is_enabled(&huc->fw);
  47 }
  48
  49 static inline bool intel_huc_is_authenticated(struct intel_huc *huc)
  50 {
  51         return intel_uc_fw_is_running(&huc->fw);
  52 }
  53
  54 #endif