xenfunc.h revision 185181
1/*
2 *
3 * Copyright (c) 2004,2005 Kip Macy
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 4. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29
30#ifndef _XEN_XENFUNC_H_
31#define _XEN_XENFUNC_H_
32
33#include <machine/xen/xen-os.h>
34#include <machine/xen/hypervisor.h>
35#include <machine/xen/xenpmap.h>
36#include <machine/segments.h>
37#include <sys/pcpu.h>
38#define BKPT __asm__("int3");
39#define XPQ_CALL_DEPTH 5
40#define XPQ_CALL_COUNT 2
41#define PG_PRIV PG_AVAIL3
42typedef struct {
43	unsigned long pt_ref;
44	unsigned long pt_eip[XPQ_CALL_COUNT][XPQ_CALL_DEPTH];
45} pteinfo_t;
46
47extern pteinfo_t *pteinfo_list;
48#ifdef XENDEBUG_LOW
49#define	__PRINTK(x) printk x
50#else
51#define	__PRINTK(x)
52#endif
53
54char *xen_setbootenv(char *cmd_line);
55
56int  xen_boothowto(char *envp);
57
58void _xen_machphys_update(vm_paddr_t, vm_paddr_t, char *file, int line);
59
60#ifdef INVARIANTS
61#define xen_machphys_update(a, b) _xen_machphys_update((a), (b), __FILE__, __LINE__)
62#else
63#define xen_machphys_update(a, b) _xen_machphys_update((a), (b), NULL, 0)
64#endif
65
66void xen_update_descriptor(union descriptor *, union descriptor *);
67
68extern struct mtx balloon_lock;
69#if 0
70#define balloon_lock(__flags)   mtx_lock_irqsave(&balloon_lock, __flags)
71#define balloon_unlock(__flags) mtx_unlock_irqrestore(&balloon_lock, __flags)
72#else
73#define balloon_lock(__flags)   __flags = 1
74#define balloon_unlock(__flags) __flags = 0
75#endif
76
77
78
79#endif /* _XEN_XENFUNC_H_ */
80