114 lines
4.1 KiB
C
114 lines
4.1 KiB
C
/*
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* HvCall.h
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* Copyright (C) 2001 Mike Corrigan IBM Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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* This file contains the "hypervisor call" interface which is used to
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* drive the hypervisor from the OS.
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*/
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#ifndef _HVCALL_H
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#define _HVCALL_H
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#include <asm/iSeries/HvCallSc.h>
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#include <asm/iSeries/HvTypes.h>
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#include <asm/paca.h>
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/* Type of yield for HvCallBaseYieldProcessor */
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#define HvCall_YieldTimed 0 /* Yield until specified time (tb) */
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#define HvCall_YieldToActive 1 /* Yield until all active procs have run */
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#define HvCall_YieldToProc 2 /* Yield until the specified processor has run */
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/* interrupt masks for setEnabledInterrupts */
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#define HvCall_MaskIPI 0x00000001
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#define HvCall_MaskLpEvent 0x00000002
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#define HvCall_MaskLpProd 0x00000004
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#define HvCall_MaskTimeout 0x00000008
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/* Log buffer formats */
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#define HvCall_LogBuffer_ASCII 0
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#define HvCall_LogBuffer_EBCDIC 1
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#define HvCallBaseAckDeferredInts HvCallBase + 0
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#define HvCallBaseCpmPowerOff HvCallBase + 1
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#define HvCallBaseGetHwPatch HvCallBase + 2
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#define HvCallBaseReIplSpAttn HvCallBase + 3
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#define HvCallBaseSetASR HvCallBase + 4
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#define HvCallBaseSetASRAndRfi HvCallBase + 5
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#define HvCallBaseSetIMR HvCallBase + 6
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#define HvCallBaseSendIPI HvCallBase + 7
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#define HvCallBaseTerminateMachine HvCallBase + 8
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#define HvCallBaseTerminateMachineSrc HvCallBase + 9
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#define HvCallBaseProcessPlicInterrupts HvCallBase + 10
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#define HvCallBaseIsPrimaryCpmOrMsdIpl HvCallBase + 11
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#define HvCallBaseSetVirtualSIT HvCallBase + 12
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#define HvCallBaseVaryOffThisProcessor HvCallBase + 13
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#define HvCallBaseVaryOffMemoryChunk HvCallBase + 14
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#define HvCallBaseVaryOffInteractivePercentage HvCallBase + 15
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#define HvCallBaseSendLpProd HvCallBase + 16
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#define HvCallBaseSetEnabledInterrupts HvCallBase + 17
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#define HvCallBaseYieldProcessor HvCallBase + 18
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#define HvCallBaseVaryOffSharedProcUnits HvCallBase + 19
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#define HvCallBaseSetVirtualDecr HvCallBase + 20
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#define HvCallBaseClearLogBuffer HvCallBase + 21
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#define HvCallBaseGetLogBufferCodePage HvCallBase + 22
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#define HvCallBaseGetLogBufferFormat HvCallBase + 23
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#define HvCallBaseGetLogBufferLength HvCallBase + 24
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#define HvCallBaseReadLogBuffer HvCallBase + 25
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#define HvCallBaseSetLogBufferFormatAndCodePage HvCallBase + 26
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#define HvCallBaseWriteLogBuffer HvCallBase + 27
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#define HvCallBaseRouter28 HvCallBase + 28
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#define HvCallBaseRouter29 HvCallBase + 29
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#define HvCallBaseRouter30 HvCallBase + 30
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#define HvCallBaseSetDebugBus HvCallBase + 31
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#define HvCallCcSetDABR HvCallCc + 7
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static inline void HvCall_setVirtualDecr(void)
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{
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/*
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* Ignore any error return codes - most likely means that the
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* target value for the LP has been increased and this vary off
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* would bring us below the new target.
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*/
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HvCall0(HvCallBaseSetVirtualDecr);
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}
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static inline void HvCall_yieldProcessor(unsigned typeOfYield, u64 yieldParm)
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{
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HvCall2(HvCallBaseYieldProcessor, typeOfYield, yieldParm);
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}
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static inline void HvCall_setEnabledInterrupts(u64 enabledInterrupts)
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{
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HvCall1(HvCallBaseSetEnabledInterrupts, enabledInterrupts);
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}
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static inline void HvCall_setLogBufferFormatAndCodepage(int format,
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u32 codePage)
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{
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HvCall2(HvCallBaseSetLogBufferFormatAndCodePage, format, codePage);
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}
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extern void HvCall_writeLogBuffer(const void *buffer, u64 bufLen);
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static inline void HvCall_sendIPI(struct paca_struct *targetPaca)
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{
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HvCall1(HvCallBaseSendIPI, targetPaca->paca_index);
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}
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#endif /* _HVCALL_H */
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