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1 #pragma once
2 
3 /*
4  * Copyright (C) 2017 The Android Open Source Project
5  *
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  *      http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18 
19 #include <atomic>
20 #include <condition_variable>
21 #include <mutex>
22 
23 struct usb_handle {
usb_handleusb_handle24     usb_handle() : kicked(false) {
25     }
26 
27     std::condition_variable notify;
28     std::mutex lock;
29     std::atomic<bool> kicked;
30     bool open_new_connection = true;
31 
32     int (*write)(usb_handle* h, const void* data, int len);
33     int (*read)(usb_handle* h, void* data, int len);
34     void (*kick)(usb_handle* h);
35     void (*close)(usb_handle* h);
36 
37     // FunctionFS
38     int control = -1;
39     int bulk_out = -1; /* "out" from the host's perspective => source for adbd */
40     int bulk_in = -1;  /* "in" from the host's perspective => sink for adbd */
41 
42     int max_rw;
43 };
44 
45 bool init_functionfs(struct usb_handle* h);
46