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| author | Paolo Bonzini <pbonzini@redhat.com> | 2012-06-09 10:57:37 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2012-10-31 10:38:12 +0100 |
| commit | 9f8540ecef6fc5ededa825d766c8bcd1987884dd (patch) | |
| tree | 376f537d641696aeb846b9595fff2d6028b2c568 /block/raw-aio.h | |
| parent | de81a169366c2e3e0c47d0be637cc450b71aac67 (diff) | |
| download | qemu-9f8540ecef6fc5ededa825d766c8bcd1987884dd.tar.gz | |
raw-posix: rename raw-posix-aio.h, hide unavailable prototypes
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'block/raw-aio.h')
| -rw-r--r-- | block/raw-aio.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/block/raw-aio.h b/block/raw-aio.h new file mode 100644 index 0000000000..b3bb07377e --- /dev/null +++ b/block/raw-aio.h @@ -0,0 +1,38 @@ +/* + * Declarations for AIO in the raw protocol + * + * Copyright IBM, Corp. 2008 + * + * Authors: + * Anthony Liguori <aliguori@us.ibm.com> + * + * This work is licensed under the terms of the GNU GPL, version 2. See + * the COPYING file in the top-level directory. + * + * Contributions after 2012-01-13 are licensed under the terms of the + * GNU GPL, version 2 or (at your option) any later version. + */ +#ifndef QEMU_RAW_AIO_H +#define QEMU_RAW_AIO_H + +/* AIO request types */ +#define QEMU_AIO_READ 0x0001 +#define QEMU_AIO_WRITE 0x0002 +#define QEMU_AIO_IOCTL 0x0004 +#define QEMU_AIO_FLUSH 0x0008 +#define QEMU_AIO_TYPE_MASK \ + (QEMU_AIO_READ|QEMU_AIO_WRITE|QEMU_AIO_IOCTL|QEMU_AIO_FLUSH) + +/* AIO flags */ +#define QEMU_AIO_MISALIGNED 0x1000 + + +/* linux-aio.c - Linux native implementation */ +#ifdef CONFIG_LINUX_AIO +void *laio_init(void); +BlockDriverAIOCB *laio_submit(BlockDriverState *bs, void *aio_ctx, int fd, + int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, + BlockDriverCompletionFunc *cb, void *opaque, int type); +#endif + +#endif /* QEMU_RAW_AIO_H */ |