xref: /openbmc/qemu/include/chardev/char-win.h (revision b91a0fa7)
1 /*
2  * QEMU System Emulator
3  *
4  * Copyright (c) 2003-2008 Fabrice Bellard
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 #ifndef CHAR_WIN_H
25 #define CHAR_WIN_H
26 
27 #include "chardev/char.h"
28 #include "qom/object.h"
29 
30 struct WinChardev {
31     Chardev parent;
32 
33     bool keep_open; /* console do not close file */
34     HANDLE file, hrecv, hsend;
35     OVERLAPPED orecv;
36     BOOL fpipe;
37 
38     /* Protected by the Chardev chr_write_lock.  */
39     OVERLAPPED osend;
40 };
41 typedef struct WinChardev WinChardev;
42 
43 #define NSENDBUF 2048
44 #define NRECVBUF 2048
45 
46 #define TYPE_CHARDEV_WIN "chardev-win"
47 DECLARE_INSTANCE_CHECKER(WinChardev, WIN_CHARDEV,
48                          TYPE_CHARDEV_WIN)
49 
50 void win_chr_set_file(Chardev *chr, HANDLE file, bool keep_open);
51 int win_chr_serial_init(Chardev *chr, const char *filename, Error **errp);
52 int win_chr_pipe_poll(void *opaque);
53 
54 #endif /* CHAR_WIN_H */
55