The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/i386/include/xen/xenfunc.h

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    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  * $FreeBSD: releng/8.0/sys/i386/include/xen/xenfunc.h 186557 2008-12-29 06:31:03Z kmacy $
   29  */
   30 
   31 
   32 #ifndef _XEN_XENFUNC_H_
   33 #define _XEN_XENFUNC_H_
   34 
   35 #include <machine/xen/xen-os.h>
   36 #include <xen/hypervisor.h>
   37 #include <machine/xen/xenpmap.h>
   38 #include <machine/segments.h>
   39 #include <sys/pcpu.h>
   40 #define BKPT __asm__("int3");
   41 #define XPQ_CALL_DEPTH 5
   42 #define XPQ_CALL_COUNT 2
   43 #define PG_PRIV PG_AVAIL3
   44 typedef struct { 
   45         unsigned long pt_ref;
   46         unsigned long pt_eip[XPQ_CALL_COUNT][XPQ_CALL_DEPTH];
   47 } pteinfo_t;
   48 
   49 extern pteinfo_t *pteinfo_list;
   50 #ifdef XENDEBUG_LOW
   51 #define __PRINTK(x) printk x
   52 #else
   53 #define __PRINTK(x)
   54 #endif
   55 
   56 char *xen_setbootenv(char *cmd_line);
   57 
   58 int  xen_boothowto(char *envp);
   59 
   60 void _xen_machphys_update(vm_paddr_t, vm_paddr_t, char *file, int line);
   61 
   62 #ifdef INVARIANTS
   63 #define xen_machphys_update(a, b) _xen_machphys_update((a), (b), __FILE__, __LINE__)
   64 #else
   65 #define xen_machphys_update(a, b) _xen_machphys_update((a), (b), NULL, 0)
   66 #endif  
   67 
   68 void xen_update_descriptor(union descriptor *, union descriptor *);
   69 
   70 extern struct mtx balloon_lock;
   71 #if 0
   72 #define balloon_lock(__flags)   mtx_lock_irqsave(&balloon_lock, __flags)
   73 #define balloon_unlock(__flags) mtx_unlock_irqrestore(&balloon_lock, __flags)
   74 #else
   75 #define balloon_lock(__flags)   __flags = 1
   76 #define balloon_unlock(__flags) __flags = 0
   77 #endif
   78 
   79 
   80 
   81 #endif /* _XEN_XENFUNC_H_ */

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