/*
* HvCall.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.
*/
#ifndef _HVCALL_H
#define _HVCALL_H
#include <asm/iSeries/HvCallSc.h>
#include <asm/iSeries/HvTypes.h>
#include <asm/paca.h>
/*
enum HvCall_ReturnCode
{
HvCall_Good = 0,
HvCall_Partial = 1,
HvCall_NotOwned = 2,
HvCall_NotFreed = 3,
HvCall_UnspecifiedError = 4
};
enum HvCall_TypeOfSIT
{
HvCall_ReduceOnly = 0,
HvCall_Unconditional = 1
};
enum HvCall_TypeOfYield
{
HvCall_YieldTimed = 0, // Yield until specified time
HvCall_YieldToActive = 1, // Yield until all active procs have run
HvCall_YieldToProc = 2 // Yield until the specified processor has run
};
enum HvCall_InterruptMasks
{
HvCall_MaskIPI = 0x00000001,
HvCall_MaskLpEvent = 0x00000002,
HvCall_MaskLpProd = 0x00000004,
HvCall_MaskTimeout = 0x00000008
};
enum HvCall_VaryOffChunkRc
{
HvCall_VaryOffSucceeded = 0,
HvCall_VaryOffWithdrawn = 1,
HvCall_ChunkInLoadArea = 2,
HvCall_ChunkInHPT = 3,
HvCall_ChunkNotAccessible = 4,
HvCall_ChunkInUse = 5
};
*/
/* Type of yield for HvCallBaseYieldProcessor */
#define HvCall_YieldTimed 0 /* Yield until specified time (tb) */
#define HvCall_YieldToActive 1 /* Yield until all active procs have run */
#define HvCall_YieldToProc 2 /* Yield until the specified processor has run */
/* interrupt masks for setEnabledInterrupts */
#define HvCall_MaskIPI 0x00000001
#define HvCall_MaskLpEvent 0x00000002
#define HvCall_MaskLpProd 0x00000004
#define HvCall_MaskTimeout 0x00000008
/* Log buffer formats */
#define HvCall_LogBuffer_ASCII 0
#define HvCall_LogBuffer_EBCDIC 1
#define HvCallBaseAckDeferredInts HvCallBase + 0
#define HvCallBaseCpmPowerOff HvCallBase + 1
#define HvCallBaseGetHwPatch HvCallBase + 2
#define HvCallBaseReIplSpAttn HvCallBase + 3
#define HvCallBaseSetASR HvCallBase + 4
#define HvCallBaseSetASRAndRfi HvCallBase + 5
#define HvCallBaseSetIMR HvCallBase + 6
#define HvCallBaseSendIPI HvCallBase + 7
#define HvCallBaseTerminateMachine HvCallBase + 8
#define HvCallBaseTerminateMachineSrc HvCallBase + 9
#define HvCallBaseProcessPlicInterrupts HvCallBase + 10
#define HvCallBaseIsPrimaryCpmOrMsdIpl HvCallBase + 11
#define HvCallBaseSetVirtualSIT HvCallBase + 12
#define HvCallBaseVaryOffThisProcessor HvCallBase + 13
#define HvCallBaseVaryOffMemoryChunk HvCallBase + 14
#define HvCallBaseVaryOffInteractivePercentage HvCallBase + 15
#define HvCallBaseSendLpProd HvCallBase + 16
#define HvCallBaseSetEnabledInterrupts HvCallBase + 17
#define HvCallBaseYieldProcessor HvCallBase + 18
#define HvCallBaseVaryOffSharedProcUnits HvCallBase + 19
#define HvCallBaseSetVirtualDecr HvCallBase + 20
#define HvCallBaseClearLogBuffer HvCallBase + 21
#define HvCallBaseGetLogBufferCodePage HvCallBase + 22
#define HvCallBaseGetLogBufferFormat HvCallBase + 23
#define HvCallBaseGetLogBufferLength HvCallBase + 24
#define HvCallBaseReadLogBuffer HvCallBase + 25
#define HvCallBaseSetLogBufferFormatAndCodePage HvCallBase + 26
#define HvCallBaseWriteLogBuffer HvCallBase + 27
#define HvCallBaseRouter28 HvCallBase + 28
#define HvCallBaseRouter29 HvCallBase + 29
#define HvCallBaseRouter30 HvCallBase + 30
#define HvCallBaseSetDebugBus HvCallBase + 31
#define HvCallCcSetDABR HvCallCc + 7
static inline void HvCall_setVirtualDecr(void)
{
/*
* Ignore any error return codes - most likely means that the
* target value for the LP has been increased and this vary off
* would bring us below the new target.
*/
HvCall0(HvCallBaseSetVirtualDecr);
}
static inline void HvCall_yieldProcessor(unsigned typeOfYield, u64 yieldParm)
{
HvCall2(HvCallBaseYieldProcessor, typeOfYield, yieldParm);
}
static inline void HvCall_setEnabledInterrupts(u64 enabledInterrupts)
{
HvCall1(HvCallBaseSetEnabledInterrupts, enabledInterrupts);
}
static inline void HvCall_clearLogBuffer(HvLpIndex lpindex)
{
HvCall1(HvCallBaseClearLogBuffer, lpindex);
}
static inline u32 HvCall_getLogBufferCodePage(HvLpIndex lpindex)
{
u32 retVal = HvCall1(HvCallBaseGetLogBufferCodePage, lpindex);
return retVal;
}
static inline int HvCall_getLogBufferFormat(HvLpIndex lpindex)
{
int retVal = HvCall1(HvCallBaseGetLogBufferFormat, lpindex);
return retVal;
}
static inline u32 HvCall_getLogBufferLength(HvLpIndex lpindex)
{
u32 retVal = HvCall1(HvCallBaseGetLogBufferLength, lpindex);
return retVal;
}
static inline void HvCall_setLogBufferFormatAndCodepage(int format, u32 codePage)
{
HvCall2(HvCallBaseSetLogBufferFormatAndCodePage, format, codePage);
}
extern int HvCall_readLogBuffer(HvLpIndex lpindex, void *buffer, u64 bufLen);
extern void HvCall_writeLogBuffer(const void *buffer, u64 bufLen);
static inline void HvCall_sendIPI(struct paca_struct *targetPaca)
{
HvCall1(HvCallBaseSendIPI, targetPaca->paca_index);
}
static inline void HvCall_terminateMachineSrc(void)
{
HvCall0(HvCallBaseTerminateMachineSrc);
}
static inline void HvCall_setDABR(unsigned long val)
{
HvCall1(HvCallCcSetDABR, val);
}
static inline void HvCall_setDebugBus(unsigned long val)
{
HvCall1(HvCallBaseSetDebugBus, val);
}
#endif /* _HVCALL_H */
