include/asm-powerpc/iseries/hv_lp_config.h

   1 /*
   2  * HvLpConfig.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 #ifndef _HVLPCONFIG_H
  20 #define _HVLPCONFIG_H
  21
  22 /*
  23  * This file contains the interface to the LPAR configuration data
  24  * to determine which resources should be allocated to each partition.
  25  */
  26
  27 #include <asm/iseries/hv_call_sc.h>
  28 #include <asm/iSeries/HvTypes.h>
  29 #include <asm/iSeries/ItLpNaca.h>
  30
  31 enum {
  32         HvCallCfg_Cur   = 0,
  33         HvCallCfg_Init  = 1,
  34         HvCallCfg_Max   = 2,
  35         HvCallCfg_Min   = 3
  36 };
  37
  38 #define HvCallCfgGetSystemPhysicalProcessors            HvCallCfg +  6
  39 #define HvCallCfgGetPhysicalProcessors                  HvCallCfg +  7
  40 #define HvCallCfgGetMsChunks                            HvCallCfg +  9
  41 #define HvCallCfgGetSharedPoolIndex                     HvCallCfg + 20
  42 #define HvCallCfgGetSharedProcUnits                     HvCallCfg + 21
  43 #define HvCallCfgGetNumProcsInSharedPool                HvCallCfg + 22
  44 #define HvCallCfgGetVirtualLanIndexMap                  HvCallCfg + 30
  45 #define HvCallCfgGetHostingLpIndex                      HvCallCfg + 32
  46
  47 extern HvLpIndex HvLpConfig_getLpIndex_outline(void);
  48
  49 static inline HvLpIndex HvLpConfig_getLpIndex(void)
  50 {
  51         return itLpNaca.xLpIndex;
  52 }
  53
  54 static inline HvLpIndex HvLpConfig_getPrimaryLpIndex(void)
  55 {
  56         return itLpNaca.xPrimaryLpIndex;
  57 }
  58
  59 static inline u64 HvLpConfig_getMsChunks(void)
  60 {
  61         return HvCall2(HvCallCfgGetMsChunks, HvLpConfig_getLpIndex(),
  62                         HvCallCfg_Cur);
  63 }
  64
  65 static inline u64 HvLpConfig_getSystemPhysicalProcessors(void)
  66 {
  67         return HvCall0(HvCallCfgGetSystemPhysicalProcessors);
  68 }
  69
  70 static inline u64 HvLpConfig_getNumProcsInSharedPool(HvLpSharedPoolIndex sPI)
  71 {
  72         return (u16)HvCall1(HvCallCfgGetNumProcsInSharedPool, sPI);
  73 }
  74
  75 static inline u64 HvLpConfig_getPhysicalProcessors(void)
  76 {
  77         return HvCall2(HvCallCfgGetPhysicalProcessors, HvLpConfig_getLpIndex(),
  78                         HvCallCfg_Cur);
  79 }
  80
  81 static inline HvLpSharedPoolIndex HvLpConfig_getSharedPoolIndex(void)
  82 {
  83         return HvCall1(HvCallCfgGetSharedPoolIndex, HvLpConfig_getLpIndex());
  84 }
  85
  86 static inline u64 HvLpConfig_getSharedProcUnits(void)
  87 {
  88         return HvCall2(HvCallCfgGetSharedProcUnits, HvLpConfig_getLpIndex(),
  89                         HvCallCfg_Cur);
  90 }
  91
  92 static inline u64 HvLpConfig_getMaxSharedProcUnits(void)
  93 {
  94         return HvCall2(HvCallCfgGetSharedProcUnits, HvLpConfig_getLpIndex(),
  95                         HvCallCfg_Max);
  96 }
  97
  98 static inline u64 HvLpConfig_getMaxPhysicalProcessors(void)
  99 {
 100         return HvCall2(HvCallCfgGetPhysicalProcessors, HvLpConfig_getLpIndex(),
 101                         HvCallCfg_Max);
 102 }
 103
 104 static inline HvLpVirtualLanIndexMap HvLpConfig_getVirtualLanIndexMapForLp(
 105                 HvLpIndex lp)
 106 {
 107         /*
 108          * This is a new function in V5R1 so calls to this on older
 109          * hypervisors will return -1
 110          */
 111         u64 retVal = HvCall1(HvCallCfgGetVirtualLanIndexMap, lp);
 112         if (retVal == -1)
 113                 retVal = 0;
 114         return retVal;
 115 }
 116
 117 static inline HvLpVirtualLanIndexMap HvLpConfig_getVirtualLanIndexMap(void)
 118 {
 119         return HvLpConfig_getVirtualLanIndexMapForLp(
 120                         HvLpConfig_getLpIndex_outline());
 121 }
 122
 123 static inline int HvLpConfig_doLpsCommunicateOnVirtualLan(HvLpIndex lp1,
 124                 HvLpIndex lp2)
 125 {
 126         HvLpVirtualLanIndexMap virtualLanIndexMap1 =
 127                 HvLpConfig_getVirtualLanIndexMapForLp(lp1);
 128         HvLpVirtualLanIndexMap virtualLanIndexMap2 =
 129                 HvLpConfig_getVirtualLanIndexMapForLp(lp2);
 130         return ((virtualLanIndexMap1 & virtualLanIndexMap2) != 0);
 131 }
 132
 133 static inline HvLpIndex HvLpConfig_getHostingLpIndex(HvLpIndex lp)
 134 {
 135         return HvCall1(HvCallCfgGetHostingLpIndex, lp);
 136 }
 137
 138 #endif /* _HVLPCONFIG_H */