1/*-
2 * Copyright (c) 2004, 2005 Kip Macy
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 THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR 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 * $FreeBSD$
27 */
28
29#ifndef _XEN_XENFUNC_H_
30#define _XEN_XENFUNC_H_
31
32#ifdef XENHVM
33#include <machine/xen/xenvar.h>
34#else
35#include <machine/xen/xenpmap.h>
36#include <machine/segments.h>
37#endif
38
39#define BKPT __asm__("int3");
40#define XPQ_CALL_DEPTH 5
41#define XPQ_CALL_COUNT 2
42#define PG_PRIV PG_AVAIL3
43typedef struct {
44	unsigned long pt_ref;
45	unsigned long pt_eip[XPQ_CALL_COUNT][XPQ_CALL_DEPTH];
46} pteinfo_t;
47
48extern pteinfo_t *pteinfo_list;
49#ifdef XENDEBUG_LOW
50#define	__PRINTK(x) printk x
51#else
52#define	__PRINTK(x)
53#endif
54
55char *xen_setbootenv(char *cmd_line);
56
57int  xen_boothowto(char *envp);
58
59void _xen_machphys_update(vm_paddr_t, vm_paddr_t, char *file, int line);
60
61#ifdef INVARIANTS
62#define xen_machphys_update(a, b) _xen_machphys_update((a), (b), __FILE__, __LINE__)
63#else
64#define xen_machphys_update(a, b) _xen_machphys_update((a), (b), NULL, 0)
65#endif
66
67#ifndef XENHVM
68void xen_update_descriptor(union descriptor *, union descriptor *);
69#endif
70
71extern struct mtx balloon_lock;
72#if 0
73#define balloon_lock(__flags)   mtx_lock_irqsave(&balloon_lock, __flags)
74#define balloon_unlock(__flags) mtx_unlock_irqrestore(&balloon_lock, __flags)
75#else
76#define balloon_lock(__flags)   __flags = 1
77#define balloon_unlock(__flags) __flags = 0
78#endif
79
80
81
82#endif /* _XEN_XENFUNC_H_ */
83