xive: Remove extra '0x' prefix in trace events
[qemu.git] / include / block / raw-aio.h
blob251b10d273326b6478e5f6622694a0b2afcf80ab
1 /*
2 * Declarations for AIO in the raw protocol
4 * Copyright IBM, Corp. 2008
6 * Authors:
7 * Anthony Liguori <aliguori@us.ibm.com>
9 * This work is licensed under the terms of the GNU GPL, version 2. See
10 * the COPYING file in the top-level directory.
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.
16 #ifndef QEMU_RAW_AIO_H
17 #define QEMU_RAW_AIO_H
19 #include "block/aio.h"
20 #include "qemu/coroutine.h"
21 #include "qemu/iov.h"
23 /* AIO request types */
24 #define QEMU_AIO_READ 0x0001
25 #define QEMU_AIO_WRITE 0x0002
26 #define QEMU_AIO_IOCTL 0x0004
27 #define QEMU_AIO_FLUSH 0x0008
28 #define QEMU_AIO_DISCARD 0x0010
29 #define QEMU_AIO_WRITE_ZEROES 0x0020
30 #define QEMU_AIO_COPY_RANGE 0x0040
31 #define QEMU_AIO_TRUNCATE 0x0080
32 #define QEMU_AIO_TYPE_MASK \
33 (QEMU_AIO_READ | \
34 QEMU_AIO_WRITE | \
35 QEMU_AIO_IOCTL | \
36 QEMU_AIO_FLUSH | \
37 QEMU_AIO_DISCARD | \
38 QEMU_AIO_WRITE_ZEROES | \
39 QEMU_AIO_COPY_RANGE | \
40 QEMU_AIO_TRUNCATE)
42 /* AIO flags */
43 #define QEMU_AIO_MISALIGNED 0x1000
44 #define QEMU_AIO_BLKDEV 0x2000
45 #define QEMU_AIO_NO_FALLBACK 0x4000
48 /* linux-aio.c - Linux native implementation */
49 #ifdef CONFIG_LINUX_AIO
50 typedef struct LinuxAioState LinuxAioState;
51 LinuxAioState *laio_init(Error **errp);
52 void laio_cleanup(LinuxAioState *s);
53 int coroutine_fn laio_co_submit(BlockDriverState *bs, LinuxAioState *s, int fd,
54 uint64_t offset, QEMUIOVector *qiov, int type);
55 void laio_detach_aio_context(LinuxAioState *s, AioContext *old_context);
56 void laio_attach_aio_context(LinuxAioState *s, AioContext *new_context);
57 void laio_io_plug(BlockDriverState *bs, LinuxAioState *s);
58 void laio_io_unplug(BlockDriverState *bs, LinuxAioState *s);
59 #endif
60 /* io_uring.c - Linux io_uring implementation */
61 #ifdef CONFIG_LINUX_IO_URING
62 typedef struct LuringState LuringState;
63 LuringState *luring_init(Error **errp);
64 void luring_cleanup(LuringState *s);
65 int coroutine_fn luring_co_submit(BlockDriverState *bs, LuringState *s, int fd,
66 uint64_t offset, QEMUIOVector *qiov, int type);
67 void luring_detach_aio_context(LuringState *s, AioContext *old_context);
68 void luring_attach_aio_context(LuringState *s, AioContext *new_context);
69 void luring_io_plug(BlockDriverState *bs, LuringState *s);
70 void luring_io_unplug(BlockDriverState *bs, LuringState *s);
71 #endif
73 #ifdef _WIN32
74 typedef struct QEMUWin32AIOState QEMUWin32AIOState;
75 QEMUWin32AIOState *win32_aio_init(void);
76 void win32_aio_cleanup(QEMUWin32AIOState *aio);
77 int win32_aio_attach(QEMUWin32AIOState *aio, HANDLE hfile);
78 BlockAIOCB *win32_aio_submit(BlockDriverState *bs,
79 QEMUWin32AIOState *aio, HANDLE hfile,
80 uint64_t offset, uint64_t bytes, QEMUIOVector *qiov,
81 BlockCompletionFunc *cb, void *opaque, int type);
82 void win32_aio_detach_aio_context(QEMUWin32AIOState *aio,
83 AioContext *old_context);
84 void win32_aio_attach_aio_context(QEMUWin32AIOState *aio,
85 AioContext *new_context);
86 #endif
88 #endif /* QEMU_RAW_AIO_H */