db577f079f253a8d936f3c4efc9052ec039c4619
[karo-tx-linux.git] / 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/hv_types.h>
29 #include <asm/iseries/it_lp_naca.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 */