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