target-ppc/libkvm.h

   1 /*
   2  * This header is for functions & variables that will ONLY be
   3  * used inside libkvm for powerpc.
   4  * THESE ARE NOT EXPOSED TO THE USER AND ARE ONLY FOR USE
   5  * WITHIN LIBKVM.
   6  *
   7  * Copyright (C) 2006 Qumranet, Inc.
   8  *
   9  * Authors:
  10  *      Avi Kivity   <avi@qumranet.com>
  11  *      Yaniv Kamay  <yaniv@qumranet.com>
  12  *
  13  * Copyright 2007 IBM Corporation.
  14  * Added by: Jerone Young <jyoung5@us.ibm.com>
  15  *
  16  * This work is licensed under the GNU LGPL license, version 2.
  17  */
  18
  19 #ifndef KVM_POWERPC_H
  20 #define KVM_POWERPC_H
  21
  22 #include "libkvm-all.h"
  23
  24 extern int kvm_page_size;
  25
  26 #define PAGE_SIZE kvm_page_size
  27 #define PAGE_MASK (~(PAGE_SIZE - 1))
  28
  29 static inline void eieio(void)
  30 {
  31         asm volatile("eieio" : : : "memory");
  32 }
  33
  34 #define smp_wmb()       eieio()
  35
  36 #endif