mem.h revision 243640 
1/*-
2 * Copyright (c) 2012 NetApp, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: projects/bhyve/usr.sbin/bhyve/mem.h 243640 2012-11-28 00:02:17Z neel $
27 */
28
29#ifndef _MEM_H_
30#define	_MEM_H_
31
32#include <sys/linker_set.h>
33
34struct vmctx;
35
36typedef int (*mem_func_t)(struct vmctx *ctx, int vcpu, int dir, uint64_t addr,
37			  int size, uint64_t *val, void *arg1, long arg2);
38
39struct mem_range {
40	const char 	*name;
41	int		flags;
42	mem_func_t	handler;
43	void		*arg1;
44	long		arg2;
45	uint64_t  	base;
46	uint64_t  	size;
47};
48#define	MEM_F_READ		0x1
49#define	MEM_F_WRITE		0x2
50#define	MEM_F_RW		0x3
51
52void	init_mem(void);
53int     emulate_mem(struct vmctx *, int vcpu, uint64_t paddr, uint64_t rip,
54		    uint64_t cr3, int mode, struct vie *vie);
55
56int	register_mem(struct mem_range *memp);
57
58#endif	/* _MEM_H_ */
59