hvcallhpt.h

是关于linux2.5.1的完全源码

/*
 * HvCallHpt.h
 * Copyright (C) 2001  Mike Corrigan IBM Corporation
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */

//============================================================================
//
//	This file contains the "hypervisor call" interface which is used to
//	drive the hypervisor from the OS.
//
//============================================================================

//-------------------------------------------------------------------
// Standard Includes
//-------------------------------------------------------------------
#ifndef  _HVCALLSC_H
#include "HvCallSc.h"
#endif

#ifndef  _HVTYPES_H
#include <asm/iSeries/HvTypes.h>
#endif

//-------------------------------------------------------------------
// Other Includes
//-------------------------------------------------------------------

#ifndef _PPC_MMU_H
#include <asm/mmu.h>
#endif

//-----------------------------------------------------------------------------
// Constants
//-----------------------------------------------------------------------------
#ifndef _HVCALLHPT_H
#define _HVCALLHPT_H

#define HvCallHptGetHptAddress		HvCallHpt +  0
#define HvCallHptGetHptPages		HvCallHpt +  1
#define HvCallHptSetPp			HvCallHpt +  5
#define HvCallHptUpdate			HvCallHpt +  7
#define HvCallHptInvalidateNoSyncICache	HvCallHpt +  8
#define HvCallHptGet			HvCallHpt + 11
#define HvCallHptFindNextValid		HvCallHpt + 12
#define HvCallHptFindValid		HvCallHpt + 13
#define HvCallHptAddValidate		HvCallHpt + 16
#define HvCallHptInvalidateSetSwBitsGet HvCallHpt + 18



//============================================================================
static inline u64		HvCallHpt_getHptAddress(void)
{
    u64 retval = HvCall0(HvCallHptGetHptAddress);
    // getPaca()->adjustHmtForNoOfSpinLocksHeld();
    return retval;
}
//============================================================================
static inline u64		HvCallHpt_getHptPages(void)
{	
    u64 retval = HvCall0(HvCallHptGetHptPages);
    // getPaca()->adjustHmtForNoOfSpinLocksHeld();
    return retval;
}
//=============================================================================
static inline void		HvCallHpt_setPp(u32 hpteIndex, u8 value)
{
    HvCall2( HvCallHptSetPp, hpteIndex, value );
    // getPaca()->adjustHmtForNoOfSpinLocksHeld();
}
//=============================================================================
static inline void		HvCallHpt_invalidateNoSyncICache(u32 hpteIndex)
						
{
    HvCall1( HvCallHptInvalidateNoSyncICache, hpteIndex );
    // getPaca()->adjustHmtForNoOfSpinLocksHeld();
}
//=============================================================================
static inline u64		HvCallHpt_invalidateSetSwBitsGet(u32 hpteIndex, u8 bitson, u8 bitsoff )
						
{
    u64 compressedStatus;
    compressedStatus = HvCall4( HvCallHptInvalidateSetSwBitsGet, hpteIndex, bitson, bitsoff, 1 );
    // getPaca()->adjustHmtForNoOfSpinLocksHeld();
    return compressedStatus;
}
//=============================================================================
static inline u64		HvCallHpt_findValid( PTE *hpte, u64 vpn )
{
    u64 retIndex = HvCall1Ret16( HvCallHptFindValid, hpte, vpn );
    // getPaca()->adjustHmtForNoOfSpinLocksHeld();
    return retIndex;
}
//=============================================================================
static inline u64		HvCallHpt_findNextValid( PTE *hpte, u32 hpteIndex, u8 bitson, u8 bitsoff )
{
    u64 retIndex = HvCall3Ret16( HvCallHptFindNextValid, hpte, hpteIndex, bitson, bitsoff );
    // getPaca()->adjustHmtForNoOfSpinLocksHeld();
    return retIndex;
}
//=============================================================================
static inline void		HvCallHpt_get( PTE *hpte, u32 hpteIndex )
{
    HvCall2Ret16( HvCallHptFindValid, hpte, hpteIndex, 0 );
    // getPaca()->adjustHmtForNoOfSpinLocksHeld();
}

//============================================================================
static inline void		HvCallHpt_addValidate( u32 hpteIndex,
						       u32 hBit,
						       PTE *hpte )
						
{
    HvCall4( HvCallHptAddValidate, hpteIndex,
		    hBit, (*((u64 *)hpte)), (*(((u64 *)hpte)+1)) );
    // getPaca()->adjustHmtForNoOfSpinLocksHeld();
}


//=============================================================================

#endif // _HVCALLHPT_H