arch/powerpc/include/asm/iseries/hv_call.h

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