1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef	_MDB_KB_H
27#define	_MDB_KB_H
28
29#pragma ident	"%Z%%M%	%I%	%E% SMI"
30
31/*
32 * A KVM backend is used by the KVM target to interrogate the address space of
33 * the subject binary.  This is almost always via direct calls into libkvm,
34 * except for hypervisor core dumps, which implement its own backend via the
35 * mdb_kb support module.
36 */
37
38#include <sys/types.h>
39#include <mdb/mdb_io.h>
40
41#ifdef	__cplusplus
42extern "C" {
43#endif
44
45#ifdef _MDB
46
47struct as;
48struct privmregs;
49
50typedef struct mdb_kb_ops {
51	void *(*kb_open)(const char *, const char *, const char *, int,
52	    const char *);
53
54	int (*kb_close)(void *);
55
56	mdb_io_t *(*kb_sym_io)(void *, const char *);
57
58	ssize_t (*kb_kread)(void *, uintptr_t, void *, size_t);
59	ssize_t (*kb_kwrite)(void *, uintptr_t, const void *, size_t);
60	ssize_t (*kb_aread)(void *, uintptr_t, void *, size_t, struct as *);
61	ssize_t (*kb_awrite)(void *, uintptr_t, const void *,
62	    size_t, struct as *);
63	ssize_t (*kb_pread)(void *, uint64_t, void *, size_t);
64	ssize_t (*kb_pwrite)(void *, uint64_t, const void *, size_t);
65
66	uint64_t (*kb_vtop)(void *, struct as *, uintptr_t);
67
68	int (*kb_getmregs)(void *, uint_t, struct privmregs *);
69} mdb_kb_ops_t;
70
71extern mdb_kb_ops_t *libkvm_kb_ops(void);
72
73#endif	/* _MDB */
74
75#ifdef	__cplusplus
76}
77#endif
78
79#endif	/* _MDB_KB_H */
80