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 
HvLpConfig_getMsChunks(void)49 static inline u64 HvLpConfig_getMsChunks(void)
50 {
51 	return HvCall2(HvCallCfgGetMsChunks, HvLpConfig_getLpIndex(),
52 			HvCallCfg_Cur);
53 }
54 
HvLpConfig_getSystemPhysicalProcessors(void)55 static inline u64 HvLpConfig_getSystemPhysicalProcessors(void)
56 {
57 	return HvCall0(HvCallCfgGetSystemPhysicalProcessors);
58 }
59 
HvLpConfig_getNumProcsInSharedPool(HvLpSharedPoolIndex sPI)60 static inline u64 HvLpConfig_getNumProcsInSharedPool(HvLpSharedPoolIndex sPI)
61 {
62 	return (u16)HvCall1(HvCallCfgGetNumProcsInSharedPool, sPI);
63 }
64 
HvLpConfig_getPhysicalProcessors(void)65 static inline u64 HvLpConfig_getPhysicalProcessors(void)
66 {
67 	return HvCall2(HvCallCfgGetPhysicalProcessors, HvLpConfig_getLpIndex(),
68 			HvCallCfg_Cur);
69 }
70 
HvLpConfig_getSharedPoolIndex(void)71 static inline HvLpSharedPoolIndex HvLpConfig_getSharedPoolIndex(void)
72 {
73 	return HvCall1(HvCallCfgGetSharedPoolIndex, HvLpConfig_getLpIndex());
74 }
75 
HvLpConfig_getSharedProcUnits(void)76 static inline u64 HvLpConfig_getSharedProcUnits(void)
77 {
78 	return HvCall2(HvCallCfgGetSharedProcUnits, HvLpConfig_getLpIndex(),
79 			HvCallCfg_Cur);
80 }
81 
HvLpConfig_getMaxSharedProcUnits(void)82 static inline u64 HvLpConfig_getMaxSharedProcUnits(void)
83 {
84 	return HvCall2(HvCallCfgGetSharedProcUnits, HvLpConfig_getLpIndex(),
85 			HvCallCfg_Max);
86 }
87 
HvLpConfig_getMaxPhysicalProcessors(void)88 static inline u64 HvLpConfig_getMaxPhysicalProcessors(void)
89 {
90 	return HvCall2(HvCallCfgGetPhysicalProcessors, HvLpConfig_getLpIndex(),
91 			HvCallCfg_Max);
92 }
93 
HvLpConfig_getVirtualLanIndexMapForLp(HvLpIndex lp)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 
HvLpConfig_getVirtualLanIndexMap(void)107 static inline HvLpVirtualLanIndexMap HvLpConfig_getVirtualLanIndexMap(void)
108 {
109 	return HvLpConfig_getVirtualLanIndexMapForLp(
110 			HvLpConfig_getLpIndex_outline());
111 }
112 
HvLpConfig_doLpsCommunicateOnVirtualLan(HvLpIndex lp1,HvLpIndex lp2)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 
HvLpConfig_getHostingLpIndex(HvLpIndex lp)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 */
129