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 <stdbool.h>
20 #include <trusty_ipc.h>
21 #include "block_device.h"
22 
23 typedef uint64_t ns_handle_t;
24 typedef uint64_t ns_off_t;
25 
26 int ns_open_file(handle_t ipc_handle,
27                  const char* name,
28                  ns_handle_t* handlep,
29                  bool create);
30 void ns_close_file(handle_t ipc_handle, ns_handle_t handle);
31 int ns_get_max_size(handle_t ipc_handle,
32                     ns_handle_t handle,
33                     data_block_t* size);
34 int ns_read_pos(handle_t ipc_handle,
35                 ns_handle_t handle,
36                 ns_off_t pos,
37                 void* data,
38                 int data_size);
39 int ns_write_pos(handle_t ipc_handle,
40                  ns_handle_t handle,
41                  ns_off_t pos,
42                  const void* data,
43                  int data_size,
44                  bool is_userdata,
45                  bool sync);
46