freebsd-dev/sys/i386/include/xen/xenfunc.h
Kip Macy 3a6d1fcf9c merge 186535, 186537, and 186538 from releng_7_xen
Log:
 - merge in latest xenbus from dfr's xenhvm
 - fix race condition in xs_read_reply by converting tsleep to mtx_sleep

Log:
 unmask evtchn in bind_{virq, ipi}_to_irq

Log:
 - remove code for handling case of not being able to sleep
 - eliminate tsleep - make sleeps atomic
2008-12-29 06:31:03 +00:00

82 lines
2.7 KiB
C

/*
*
* Copyright (c) 2004,2005 Kip Macy
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _XEN_XENFUNC_H_
#define _XEN_XENFUNC_H_
#include <machine/xen/xen-os.h>
#include <xen/hypervisor.h>
#include <machine/xen/xenpmap.h>
#include <machine/segments.h>
#include <sys/pcpu.h>
#define BKPT __asm__("int3");
#define XPQ_CALL_DEPTH 5
#define XPQ_CALL_COUNT 2
#define PG_PRIV PG_AVAIL3
typedef struct {
unsigned long pt_ref;
unsigned long pt_eip[XPQ_CALL_COUNT][XPQ_CALL_DEPTH];
} pteinfo_t;
extern pteinfo_t *pteinfo_list;
#ifdef XENDEBUG_LOW
#define __PRINTK(x) printk x
#else
#define __PRINTK(x)
#endif
char *xen_setbootenv(char *cmd_line);
int xen_boothowto(char *envp);
void _xen_machphys_update(vm_paddr_t, vm_paddr_t, char *file, int line);
#ifdef INVARIANTS
#define xen_machphys_update(a, b) _xen_machphys_update((a), (b), __FILE__, __LINE__)
#else
#define xen_machphys_update(a, b) _xen_machphys_update((a), (b), NULL, 0)
#endif
void xen_update_descriptor(union descriptor *, union descriptor *);
extern struct mtx balloon_lock;
#if 0
#define balloon_lock(__flags) mtx_lock_irqsave(&balloon_lock, __flags)
#define balloon_unlock(__flags) mtx_unlock_irqrestore(&balloon_lock, __flags)
#else
#define balloon_lock(__flags) __flags = 1
#define balloon_unlock(__flags) __flags = 0
#endif
#endif /* _XEN_XENFUNC_H_ */