Yaya48
cf256aa081
Upstream: https://gitlab.com/qemu-project/qemu.git Upstream-Commit: d2e570cc0f97b936902a5b1b86b73c0f5998b475
39 lines
873 B
C
39 lines
873 B
C
/*
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* Data structures representing asynchronous I/O operations
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*
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* Copyright IBM, Corp. 2008
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*
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* Authors:
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* Anthony Liguori <[email protected]>
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*
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* This work is licensed under the terms of the GNU GPL, version 2. See
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* the COPYING file in the top-level directory.
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*
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*/
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#ifndef QEMU_AIOCB_H
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#define QEMU_AIOCB_H
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typedef struct BlockAIOCB BlockAIOCB;
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typedef void BlockCompletionFunc(void *opaque, int ret);
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typedef struct AIOCBInfo {
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void (*cancel_async)(BlockAIOCB *acb);
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size_t aiocb_size;
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} AIOCBInfo;
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struct BlockAIOCB {
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const AIOCBInfo *aiocb_info;
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BlockDriverState *bs;
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BlockCompletionFunc *cb;
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void *opaque;
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int refcnt;
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};
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void *qemu_aio_get(const AIOCBInfo *aiocb_info, BlockDriverState *bs,
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BlockCompletionFunc *cb, void *opaque);
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void qemu_aio_unref(void *p);
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void qemu_aio_ref(void *p);
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#endif
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