• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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