include/asm-ppc64/iSeries/HvCall.h

   1 /*
   2  * HvCall.h
   3  * Copyright (C) 2001  Mike Corrigan IBM Corporation
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  18  */
  19 /*
  20  * This file contains the "hypervisor call" interface which is used to
  21  * drive the hypervisor from the OS.
  22  */
  23 #ifndef _HVCALL_H
  24 #define _HVCALL_H
  25
  26 #include <asm/iSeries/HvCallSc.h>
  27 #include <asm/iSeries/HvTypes.h>
  28 #include <asm/paca.h>
  29
  30 /* Type of yield for HvCallBaseYieldProcessor */
  31 #define HvCall_YieldTimed       0       /* Yield until specified time (tb) */
  32 #define HvCall_YieldToActive    1       /* Yield until all active procs have run */
  33 #define HvCall_YieldToProc      2       /* Yield until the specified processor has run */
  34
  35 /* interrupt masks for setEnabledInterrupts */
  36 #define HvCall_MaskIPI          0x00000001
  37 #define HvCall_MaskLpEvent      0x00000002
  38 #define HvCall_MaskLpProd       0x00000004
  39 #define HvCall_MaskTimeout      0x00000008
  40
  41 /* Log buffer formats */
  42 #define HvCall_LogBuffer_ASCII          0
  43 #define HvCall_LogBuffer_EBCDIC         1
  44
  45 #define HvCallBaseAckDeferredInts                       HvCallBase +  0
  46 #define HvCallBaseCpmPowerOff                           HvCallBase +  1
  47 #define HvCallBaseGetHwPatch                            HvCallBase +  2
  48 #define HvCallBaseReIplSpAttn                           HvCallBase +  3
  49 #define HvCallBaseSetASR                                HvCallBase +  4
  50 #define HvCallBaseSetASRAndRfi                          HvCallBase +  5
  51 #define HvCallBaseSetIMR                                HvCallBase +  6
  52 #define HvCallBaseSendIPI                               HvCallBase +  7
  53 #define HvCallBaseTerminateMachine                      HvCallBase +  8
  54 #define HvCallBaseTerminateMachineSrc                   HvCallBase +  9
  55 #define HvCallBaseProcessPlicInterrupts                 HvCallBase + 10
  56 #define HvCallBaseIsPrimaryCpmOrMsdIpl                  HvCallBase + 11
  57 #define HvCallBaseSetVirtualSIT                         HvCallBase + 12
  58 #define HvCallBaseVaryOffThisProcessor                  HvCallBase + 13
  59 #define HvCallBaseVaryOffMemoryChunk                    HvCallBase + 14
  60 #define HvCallBaseVaryOffInteractivePercentage          HvCallBase + 15
  61 #define HvCallBaseSendLpProd                            HvCallBase + 16
  62 #define HvCallBaseSetEnabledInterrupts                  HvCallBase + 17
  63 #define HvCallBaseYieldProcessor                        HvCallBase + 18
  64 #define HvCallBaseVaryOffSharedProcUnits                HvCallBase + 19
  65 #define HvCallBaseSetVirtualDecr                        HvCallBase + 20
  66 #define HvCallBaseClearLogBuffer                        HvCallBase + 21
  67 #define HvCallBaseGetLogBufferCodePage                  HvCallBase + 22
  68 #define HvCallBaseGetLogBufferFormat                    HvCallBase + 23
  69 #define HvCallBaseGetLogBufferLength                    HvCallBase + 24
  70 #define HvCallBaseReadLogBuffer                         HvCallBase + 25
  71 #define HvCallBaseSetLogBufferFormatAndCodePage         HvCallBase + 26
  72 #define HvCallBaseWriteLogBuffer                        HvCallBase + 27
  73 #define HvCallBaseRouter28                              HvCallBase + 28
  74 #define HvCallBaseRouter29                              HvCallBase + 29
  75 #define HvCallBaseRouter30                              HvCallBase + 30
  76 #define HvCallBaseSetDebugBus                           HvCallBase + 31
  77
  78 #define HvCallCcSetDABR                                 HvCallCc + 7
  79
  80 static inline void HvCall_setVirtualDecr(void)
  81 {
  82         /*
  83          * Ignore any error return codes - most likely means that the
  84          * target value for the LP has been increased and this vary off
  85          * would bring us below the new target.
  86          */
  87         HvCall0(HvCallBaseSetVirtualDecr);
  88 }
  89
  90 static inline void HvCall_yieldProcessor(unsigned typeOfYield, u64 yieldParm)
  91 {
  92         HvCall2(HvCallBaseYieldProcessor, typeOfYield, yieldParm);
  93 }
  94
  95 static inline void HvCall_setEnabledInterrupts(u64 enabledInterrupts)
  96 {
  97         HvCall1(HvCallBaseSetEnabledInterrupts, enabledInterrupts);
  98 }
  99
 100 static inline void HvCall_setLogBufferFormatAndCodepage(int format,
 101                 u32 codePage)
 102 {
 103         HvCall2(HvCallBaseSetLogBufferFormatAndCodePage, format, codePage);
 104 }
 105
 106 extern void HvCall_writeLogBuffer(const void *buffer, u64 bufLen);
 107
 108 static inline void HvCall_sendIPI(struct paca_struct *targetPaca)
 109 {
 110         HvCall1(HvCallBaseSendIPI, targetPaca->paca_index);
 111 }
 112
 113 #endif /* _HVCALL_H */