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