vmxnet3: Use common MAC address tracing macros
[qemu.git] / block / raw-aio.h
1 /*
2 * Declarations for AIO in the raw protocol
3 *
4 * Copyright IBM, Corp. 2008
5 *
6 * Authors:
7 * Anthony Liguori <aliguori@us.ibm.com>
8 *
9 * This work is licensed under the terms of the GNU GPL, version 2. See
10 * the COPYING file in the top-level directory.
11 *
12 * Contributions after 2012-01-13 are licensed under the terms of the
13 * GNU GPL, version 2 or (at your option) any later version.
14 */
15 #ifndef QEMU_RAW_AIO_H
16 #define QEMU_RAW_AIO_H
17
18 #include "qemu/iov.h"
19
20 /* AIO request types */
21 #define QEMU_AIO_READ 0x0001
22 #define QEMU_AIO_WRITE 0x0002
23 #define QEMU_AIO_IOCTL 0x0004
24 #define QEMU_AIO_FLUSH 0x0008
25 #define QEMU_AIO_DISCARD 0x0010
26 #define QEMU_AIO_WRITE_ZEROES 0x0020
27 #define QEMU_AIO_TYPE_MASK \
28 (QEMU_AIO_READ|QEMU_AIO_WRITE|QEMU_AIO_IOCTL|QEMU_AIO_FLUSH| \
29 QEMU_AIO_DISCARD|QEMU_AIO_WRITE_ZEROES)
30
31 /* AIO flags */
32 #define QEMU_AIO_MISALIGNED 0x1000
33 #define QEMU_AIO_BLKDEV 0x2000
34
35
36 /* linux-aio.c - Linux native implementation */
37 #ifdef CONFIG_LINUX_AIO
38 typedef struct LinuxAioState LinuxAioState;
39 LinuxAioState *laio_init(void);
40 void laio_cleanup(LinuxAioState *s);
41 BlockAIOCB *laio_submit(BlockDriverState *bs, LinuxAioState *s, int fd,
42 int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
43 BlockCompletionFunc *cb, void *opaque, int type);
44 void laio_detach_aio_context(LinuxAioState *s, AioContext *old_context);
45 void laio_attach_aio_context(LinuxAioState *s, AioContext *new_context);
46 void laio_io_plug(BlockDriverState *bs, LinuxAioState *s);
47 void laio_io_unplug(BlockDriverState *bs, LinuxAioState *s);
48 #endif
49
50 #ifdef _WIN32
51 typedef struct QEMUWin32AIOState QEMUWin32AIOState;
52 QEMUWin32AIOState *win32_aio_init(void);
53 void win32_aio_cleanup(QEMUWin32AIOState *aio);
54 int win32_aio_attach(QEMUWin32AIOState *aio, HANDLE hfile);
55 BlockAIOCB *win32_aio_submit(BlockDriverState *bs,
56 QEMUWin32AIOState *aio, HANDLE hfile,
57 int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
58 BlockCompletionFunc *cb, void *opaque, int type);
59 void win32_aio_detach_aio_context(QEMUWin32AIOState *aio,
60 AioContext *old_context);
61 void win32_aio_attach_aio_context(QEMUWin32AIOState *aio,
62 AioContext *new_context);
63 #endif
64
65 #endif /* QEMU_RAW_AIO_H */