acrn-kernel/arch/um/include/shared/aio.h

/*
 * Copyright (C) 2004 Jeff Dike (jdike@karaya.com)
 * Licensed under the GPL
 */

#ifndef AIO_H__
#define AIO_H__

enum aio_type { AIO_READ, AIO_WRITE, AIO_MMAP };

struct aio_thread_reply {
	void *data;
	int err;
};

struct aio_context {
	int reply_fd;
	struct aio_context *next;
};

#define INIT_AIO_CONTEXT { .reply_fd	= -1, \
			   .next	= NULL }

extern int submit_aio(enum aio_type type, int fd, char *buf, int len,
		      unsigned long long offset, int reply_fd,
                      struct aio_context *aio);

#endif