1 // 2 // Copyright (C) 2015 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #ifndef TPM_MANAGER_COMMON_TPM_NVRAM_INTERFACE_H_ 18 #define TPM_MANAGER_COMMON_TPM_NVRAM_INTERFACE_H_ 19 20 #include <base/callback.h> 21 22 #include "tpm_manager/common/export.h" 23 #include "tpm_manager/common/tpm_nvram_interface.pb.h" 24 25 namespace tpm_manager { 26 27 // This is the interface to access the nvram subsystem of the Tpm. It is 28 // extended by TpmManagerInterface. 29 class TPM_MANAGER_EXPORT TpmNvramInterface { 30 public: 31 virtual ~TpmNvramInterface() = default; 32 33 // Processes a DefineNvramRequest and responds with a DefineNvramReply. 34 using DefineNvramCallback = base::Callback<void(const DefineNvramReply&)>; 35 virtual void DefineNvram(const DefineNvramRequest& request, 36 const DefineNvramCallback& callback) = 0; 37 38 // Processes a DestroyNvramRequest and responds with a DestroyNvramReply. 39 using DestroyNvramCallback = base::Callback<void(const DestroyNvramReply&)>; 40 virtual void DestroyNvram(const DestroyNvramRequest& request, 41 const DestroyNvramCallback& callback) = 0; 42 43 // Processes a WriteNvramRequest and responds with a WriteNvramReply. 44 using WriteNvramCallback = base::Callback<void(const WriteNvramReply&)>; 45 virtual void WriteNvram(const WriteNvramRequest& request, 46 const WriteNvramCallback& callback) = 0; 47 48 // Processes a ReadNvramRequest and responds with a ReadNvramReply. 49 using ReadNvramCallback = base::Callback<void(const ReadNvramReply&)>; 50 virtual void ReadNvram(const ReadNvramRequest& request, 51 const ReadNvramCallback& callback) = 0; 52 53 // Processes a IsNvramDefinedRequest and responds with a IsNvramDefinedReply. 54 using IsNvramDefinedCallback = 55 base::Callback<void(const IsNvramDefinedReply&)>; 56 virtual void IsNvramDefined(const IsNvramDefinedRequest& request, 57 const IsNvramDefinedCallback& callback) = 0; 58 59 // Processes a IsNvramLockedRequest and responds with a IsNvramLockedReply. 60 using IsNvramLockedCallback = base::Callback<void(const IsNvramLockedReply&)>; 61 virtual void IsNvramLocked(const IsNvramLockedRequest& request, 62 const IsNvramLockedCallback& callback) = 0; 63 64 // Processes a GetNvramSizeRequest and responds with a GetNvramSizeReply. 65 using GetNvramSizeCallback = base::Callback<void(const GetNvramSizeReply&)>; 66 virtual void GetNvramSize(const GetNvramSizeRequest& request, 67 const GetNvramSizeCallback& callback) = 0; 68 }; 69 70 } // namespace tpm_manager 71 72 #endif // TPM_MANAGER_COMMON_TPM_NVRAM_INTERFACE_H_ 73
