1 /* 2 * Copyright © 2014-2017 Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 * 23 */ 24 25 #ifndef _INTEL_HUC_H_ 26 #define _INTEL_HUC_H_ 27 28 #include "i915_reg.h" 29 #include "intel_uc_fw.h" 30 #include "intel_huc_fw.h" 31 32 struct intel_huc { 33 /* Generic uC firmware management */ 34 struct intel_uc_fw fw; 35 36 /* HuC-specific additions */ 37 struct i915_vma *rsa_data; 38 void *rsa_data_vaddr; 39 40 struct { 41 i915_reg_t reg; 42 u32 mask; 43 u32 value; 44 } status; 45 }; 46 47 void intel_huc_init_early(struct intel_huc *huc); 48 int intel_huc_init(struct intel_huc *huc); 49 void intel_huc_fini(struct intel_huc *huc); 50 int intel_huc_auth(struct intel_huc *huc); 51 int intel_huc_check_status(struct intel_huc *huc); 52 53 static inline int intel_huc_sanitize(struct intel_huc *huc) 54 { 55 intel_uc_fw_sanitize(&huc->fw); 56 return 0; 57 } 58 59 static inline bool intel_huc_is_authenticated(struct intel_huc *huc) 60 { 61 return intel_uc_fw_is_running(&huc->fw); 62 } 63 64 #endif 65