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