xref: /qemu/include/chardev/char-parallel.h (revision 235fe6d0)
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_PARALLEL_H
25 #define CHAR_PARALLEL_H
26 
27 #include "chardev/char.h"
28 
29 #define CHR_IOCTL_PP_READ_DATA        3
30 #define CHR_IOCTL_PP_WRITE_DATA       4
31 #define CHR_IOCTL_PP_READ_CONTROL     5
32 #define CHR_IOCTL_PP_WRITE_CONTROL    6
33 #define CHR_IOCTL_PP_READ_STATUS      7
34 #define CHR_IOCTL_PP_EPP_READ_ADDR    8
35 #define CHR_IOCTL_PP_EPP_READ         9
36 #define CHR_IOCTL_PP_EPP_WRITE_ADDR  10
37 #define CHR_IOCTL_PP_EPP_WRITE       11
38 #define CHR_IOCTL_PP_DATA_DIR        12
39 
40 struct ParallelIOArg {
41     void *buffer;
42     int count;
43 };
44 
45 #endif /* CHAR_PARALLEL_H */
46