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 #pragma once
18 
19 #include "block_device_tipc.h"
20 #include "crypt.h"
21 #include "ipc.h"
22 
23 /* SSSC (Secure Storage Session Context) */
24 #define STORAGE_SESSION_MAGIC 0x53535343
25 
26 /**
27  * storage_proxy_session
28  * @magic:        a sentinel value used for checking for data corruption.
29  *                Initialized to STORAGE_SESSION_MAGIC.
30  * @block_device: the file system state
31  * @key:          storage encryption key
32  * @proxy_ctx:    the context object on the proxy channel
33  */
34 struct storage_session {
35     uint32_t magic;
36     struct block_device_tipc block_device;
37     struct key key;
38 
39     struct ipc_channel_context proxy_ctx;
40 };
41