qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
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
40struct ParallelIOArg {
41 void *buffer;
42 int count;
43};
44
45#endif /* CHAR_PARALLEL_H */