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  * 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: stable/10/sys/i386/include/xen/xenfunc.h 255040 2013-08-29 19:52:18Z gibbs $
   27  */
   28 
   29 #ifndef _XEN_XENFUNC_H_
   30 #define _XEN_XENFUNC_H_
   31 
   32 #include <xen/xen-os.h>
   33 #include <xen/hypervisor.h>
   34 
   35 #include <vm/pmap.h>
   36 
   37 #include <machine/xen/xenpmap.h>
   38 #include <machine/segments.h>
   39 
   40 #include <sys/pcpu.h>
   41 #define BKPT __asm__("int3");
   42 #define XPQ_CALL_DEPTH 5
   43 #define XPQ_CALL_COUNT 2
   44 #define PG_PRIV PG_AVAIL3
   45 typedef struct { 
   46         unsigned long pt_ref;
   47         unsigned long pt_eip[XPQ_CALL_COUNT][XPQ_CALL_DEPTH];
   48 } pteinfo_t;
   49 
   50 extern pteinfo_t *pteinfo_list;
   51 #ifdef XENDEBUG_LOW
   52 #define __PRINTK(x) printk x
   53 #else
   54 #define __PRINTK(x)
   55 #endif
   56 
   57 char *xen_setbootenv(char *cmd_line);
   58 
   59 int  xen_boothowto(char *envp);
   60 
   61 void _xen_machphys_update(vm_paddr_t, vm_paddr_t, char *file, int line);
   62 
   63 #ifdef INVARIANTS
   64 #define xen_machphys_update(a, b) _xen_machphys_update((a), (b), __FILE__, __LINE__)
   65 #else
   66 #define xen_machphys_update(a, b) _xen_machphys_update((a), (b), NULL, 0)
   67 #endif  
   68 
   69 void xen_update_descriptor(union descriptor *, union descriptor *);
   70 
   71 extern 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_ */

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