/*
 * 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
 */
#ifndef _HVCALLHPT_H
#define _HVCALLHPT_H

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

#include <asm/iSeries/HvCallSc.h>
#include <asm/iSeries/HvTypes.h>
#include <asm/mmu.h>

#define HvCallHptGetHptAddress		HvCallHpt +  0
#define HvCallHptGetHptPages		HvCallHpt +  1
#define HvCallHptSetPp			HvCallHpt +  5
#define HvCallHptSetSwBits		HvCallHpt +  6
#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_setSwBits(__u32 hpteIndex, __u8 bitson, __u8 bitsoff )
{
	HvCall3( HvCallHptSetSwBits, hpteIndex, bitson, bitsoff );
	// 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 );
	HvCall1( HvCallHptInvalidateNoSyncICache, hpteIndex );
	// getPaca()->adjustHmtForNoOfSpinLocksHeld();
	return compressedStatus;
}
//=============================================================================
static inline __u64		HvCallHpt_findValid( HPTE *hpte, __u64 vpn )
{
	__u64 retIndex = HvCall3Ret16( HvCallHptFindValid, hpte, vpn, 0, 0 );
	// getPaca()->adjustHmtForNoOfSpinLocksHeld();
	return retIndex;
}
//=============================================================================
static inline __u64		HvCallHpt_findNextValid( HPTE *hpte, __u32 hpteIndex, __u8 bitson, __u8 bitsoff )
{
	__u64 retIndex = HvCall3Ret16( HvCallHptFindNextValid, hpte, hpteIndex, bitson, bitsoff );
	// getPaca()->adjustHmtForNoOfSpinLocksHeld();
	return retIndex;
}
//=============================================================================
static inline void		HvCallHpt_get( HPTE *hpte, __u32 hpteIndex )
{
	HvCall2Ret16( HvCallHptGet, hpte, hpteIndex, 0 );
	// getPaca()->adjustHmtForNoOfSpinLocksHeld();
}
//============================================================================
static inline void		HvCallHpt_addValidate( __u32 hpteIndex,
						       __u32 hBit,
						       HPTE *hpte )
						
{
	HvCall4( HvCallHptAddValidate, hpteIndex,
		 hBit, (*((__u64 *)hpte)), (*(((__u64 *)hpte)+1)) );
	// getPaca()->adjustHmtForNoOfSpinLocksHeld();
}


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

#endif /* _HVCALLHPT_H */
