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/* $OpenBSD: vmboot.h,v 1.2 2016/11/26 20:03:42 reyk Exp $ */
/*
* Copyright (c) 2016 Reyk Floeter <reyk@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/stdarg.h>
#include <sys/stdint.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#ifndef VMBOOT_H
#define VMBOOT_H
#define F_READ 1
#define F_WRITE 2
struct open_file;
struct fs_ops {
int (*open)(char *, struct open_file *);
int (*close)(struct open_file *);
int (*read)(struct open_file *, void *, size_t, size_t *);
int (*write)(struct open_file *, void *, size_t, size_t *);
off_t (*seek)(struct open_file *, off_t, int);
int (*stat)(struct open_file *, struct stat *);
int (*readdir)(struct open_file *, char *);
};
struct devsw {
char *dv_name;
int (*dv_strategy)(void *, int, daddr32_t, size_t,
void *, size_t *);
};
struct open_file {
int f_flags;
struct devsw *f_dev;
void *f_devdata;
struct fs_ops *f_ops;
void *f_fsdata;
off_t f_offset;
};
struct disklabel;
u_int dkcksum(struct disklabel *);
char *getdisklabel(char *, struct disklabel *);
int ufs_open(char *, struct open_file *);
int ufs_close(struct open_file *);
int ufs_read(struct open_file *, void *, size_t, size_t *);
int ufs_write(struct open_file *, void *, size_t, size_t *);
off_t ufs_seek(struct open_file *, off_t offset, int);
int ufs_stat(struct open_file *, struct stat *);
int ufs_readdir(struct open_file *, char *);
#endif /* VMBOOT_H */
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