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 //===========================================================================
  21 //
  22 //      This file contains the "hypervisor call" interface which is used to
  23 //      drive the hypervisor from the OS.
  24 //
  25 //===========================================================================
  26 #ifndef _HVCALL_H
  27 #define _HVCALL_H
  28
  29 //-------------------------------------------------------------------
  30 // Standard Includes
  31 //-------------------------------------------------------------------
  32 #include <asm/iSeries/HvCallSc.h>
  33 #include <asm/iSeries/HvTypes.h>
  34 #include <asm/paca.h>
  35
  36 /*
  37 enum HvCall_ReturnCode
  38 {
  39         HvCall_Good             = 0,
  40         HvCall_Partial          = 1,
  41         HvCall_NotOwned         = 2,
  42         HvCall_NotFreed         = 3,
  43         HvCall_UnspecifiedError = 4
  44 };
  45
  46 enum HvCall_TypeOfSIT
  47 {
  48         HvCall_ReduceOnly       = 0,
  49         HvCall_Unconditional    = 1
  50 };
  51
  52 enum HvCall_TypeOfYield
  53 {
  54         HvCall_YieldTimed       = 0,    // Yield until specified time
  55         HvCall_YieldToActive    = 1,    // Yield until all active procs have run
  56         HvCall_YieldToProc      = 2     // Yield until the specified processor has run
  57 };
  58
  59 enum HvCall_InterruptMasks
  60 {
  61         HvCall_MaskIPI          = 0x00000001,
  62         HvCall_MaskLpEvent      = 0x00000002,
  63         HvCall_MaskLpProd       = 0x00000004,
  64         HvCall_MaskTimeout      = 0x00000008
  65 };
  66
  67 enum HvCall_VaryOffChunkRc
  68 {
  69         HvCall_VaryOffSucceeded         = 0,
  70         HvCall_VaryOffWithdrawn         = 1,
  71         HvCall_ChunkInLoadArea          = 2,
  72         HvCall_ChunkInHPT               = 3,
  73         HvCall_ChunkNotAccessible       = 4,
  74         HvCall_ChunkInUse               = 5
  75 };
  76 */
  77
  78 /* Type of yield for HvCallBaseYieldProcessor */
  79 #define HvCall_YieldTimed       0       // Yield until specified time (tb)
  80 #define HvCall_YieldToActive    1       // Yield until all active procs have run
  81 #define HvCall_YieldToProc      2       // Yield until the specified processor has run
  82
  83 /* interrupt masks for setEnabledInterrupts */
  84 #define HvCall_MaskIPI          0x00000001
  85 #define HvCall_MaskLpEvent      0x00000002
  86 #define HvCall_MaskLpProd       0x00000004
  87 #define HvCall_MaskTimeout      0x00000008
  88
  89 /* Log buffer formats                       */
  90 #define HvCall_LogBuffer_ASCII          0
  91 #define HvCall_LogBuffer_EBCDIC         1
  92
  93 #define HvCallBaseAckDeferredInts                       HvCallBase +  0
  94 #define HvCallBaseCpmPowerOff                           HvCallBase +  1
  95 #define HvCallBaseGetHwPatch                            HvCallBase +  2
  96 #define HvCallBaseReIplSpAttn                           HvCallBase +  3
  97 #define HvCallBaseSetASR                                HvCallBase +  4
  98 #define HvCallBaseSetASRAndRfi                          HvCallBase +  5
  99 #define HvCallBaseSetIMR                                HvCallBase +  6
 100 #define HvCallBaseSendIPI                               HvCallBase +  7
 101 #define HvCallBaseTerminateMachine                      HvCallBase +  8
 102 #define HvCallBaseTerminateMachineSrc                   HvCallBase +  9
 103 #define HvCallBaseProcessPlicInterrupts                 HvCallBase + 10
 104 #define HvCallBaseIsPrimaryCpmOrMsdIpl                  HvCallBase + 11
 105 #define HvCallBaseSetVirtualSIT                         HvCallBase + 12
 106 #define HvCallBaseVaryOffThisProcessor                  HvCallBase + 13
 107 #define HvCallBaseVaryOffMemoryChunk                    HvCallBase + 14
 108 #define HvCallBaseVaryOffInteractivePercentage          HvCallBase + 15
 109 #define HvCallBaseSendLpProd                            HvCallBase + 16
 110 #define HvCallBaseSetEnabledInterrupts                  HvCallBase + 17
 111 #define HvCallBaseYieldProcessor                        HvCallBase + 18
 112 #define HvCallBaseVaryOffSharedProcUnits                HvCallBase + 19
 113 #define HvCallBaseSetVirtualDecr                        HvCallBase + 20
 114 #define HvCallBaseClearLogBuffer                        HvCallBase + 21
 115 #define HvCallBaseGetLogBufferCodePage                  HvCallBase + 22
 116 #define HvCallBaseGetLogBufferFormat                    HvCallBase + 23
 117 #define HvCallBaseGetLogBufferLength                    HvCallBase + 24
 118 #define HvCallBaseReadLogBuffer                         HvCallBase + 25
 119 #define HvCallBaseSetLogBufferFormatAndCodePage         HvCallBase + 26
 120 #define HvCallBaseWriteLogBuffer                        HvCallBase + 27
 121 #define HvCallBaseRouter28                              HvCallBase + 28
 122 #define HvCallBaseRouter29                              HvCallBase + 29
 123 #define HvCallBaseRouter30                              HvCallBase + 30
 124 #define HvCallBaseSetDebugBus                           HvCallBase + 31
 125
 126 #define HvCallCcSetDABR                                 HvCallCc + 7
 127
 128 //=====================================================================================
 129 static inline void              HvCall_setVirtualDecr(void)
 130 {
 131         /* Ignore any error return codes - most likely means that the target value for the
 132          * LP has been increased and this vary off would bring us below the new target. */
 133         HvCall0(HvCallBaseSetVirtualDecr);
 134 }
 135 //=====================================================================
 136 static inline void              HvCall_yieldProcessor(unsigned typeOfYield, u64 yieldParm)
 137 {
 138         HvCall2( HvCallBaseYieldProcessor, typeOfYield, yieldParm );
 139 }
 140 //=====================================================================
 141 static inline void              HvCall_setEnabledInterrupts(u64 enabledInterrupts)
 142 {
 143         HvCall1(HvCallBaseSetEnabledInterrupts,enabledInterrupts);
 144 }
 145
 146 //=====================================================================
 147 static inline void              HvCall_clearLogBuffer(HvLpIndex lpindex)
 148 {
 149         HvCall1(HvCallBaseClearLogBuffer,lpindex);
 150 }
 151
 152 //=====================================================================
 153 static inline u32               HvCall_getLogBufferCodePage(HvLpIndex lpindex)
 154 {
 155         u32 retVal = HvCall1(HvCallBaseGetLogBufferCodePage,lpindex);
 156         return retVal;
 157 }
 158
 159 //=====================================================================
 160 static inline int               HvCall_getLogBufferFormat(HvLpIndex lpindex)
 161 {
 162         int retVal = HvCall1(HvCallBaseGetLogBufferFormat,lpindex);
 163         return retVal;
 164 }
 165
 166 //=====================================================================
 167 static inline u32               HvCall_getLogBufferLength(HvLpIndex lpindex)
 168 {
 169         u32 retVal = HvCall1(HvCallBaseGetLogBufferLength,lpindex);
 170         return retVal;
 171 }
 172
 173 //=====================================================================
 174 static inline void              HvCall_setLogBufferFormatAndCodepage(int format, u32 codePage)
 175 {
 176         HvCall2(HvCallBaseSetLogBufferFormatAndCodePage,format, codePage);
 177 }
 178
 179 //=====================================================================
 180 int HvCall_readLogBuffer(HvLpIndex lpindex, void *buffer, u64 bufLen);
 181 void HvCall_writeLogBuffer(const void *buffer, u64 bufLen);
 182
 183 //=====================================================================
 184 static inline void              HvCall_sendIPI(struct paca_struct * targetPaca)
 185 {
 186         HvCall1( HvCallBaseSendIPI, targetPaca->paca_index );
 187 }
 188
 189 //=====================================================================
 190 static inline void              HvCall_terminateMachineSrc(void)
 191 {
 192         HvCall0( HvCallBaseTerminateMachineSrc );
 193 }
 194
 195 static inline void HvCall_setDABR(unsigned long val)
 196 {
 197         HvCall1(HvCallCcSetDABR, val);
 198 }
 199
 200 static inline void HvCall_setDebugBus(unsigned long val)
 201 {
 202         HvCall1(HvCallBaseSetDebugBus, val);
 203 }
 204
 205 #endif /* _HVCALL_H */