This commit was manufactured by cvs2svn to create branch 'vserver'.
[linux-2.6.git] / include / asm-powerpc / iseries / hv_call.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  * This file contains the "hypervisor call" interface which is used to
19  * drive the hypervisor from the OS.
20  */
21 #ifndef _ASM_POWERPC_ISERIES_HV_CALL_H
22 #define _ASM_POWERPC_ISERIES_HV_CALL_H
23
24 #include <asm/iseries/hv_call_sc.h>
25 #include <asm/iseries/hv_types.h>
26 #include <asm/paca.h>
27
28 /* Type of yield for HvCallBaseYieldProcessor */
29 #define HvCall_YieldTimed       0       /* Yield until specified time (tb) */
30 #define HvCall_YieldToActive    1       /* Yield until all active procs have run */
31 #define HvCall_YieldToProc      2       /* Yield until the specified processor has run */
32
33 /* interrupt masks for setEnabledInterrupts */
34 #define HvCall_MaskIPI          0x00000001
35 #define HvCall_MaskLpEvent      0x00000002
36 #define HvCall_MaskLpProd       0x00000004
37 #define HvCall_MaskTimeout      0x00000008
38
39 /* Log buffer formats */
40 #define HvCall_LogBuffer_ASCII          0
41 #define HvCall_LogBuffer_EBCDIC         1
42
43 #define HvCallBaseAckDeferredInts                       HvCallBase +  0
44 #define HvCallBaseCpmPowerOff                           HvCallBase +  1
45 #define HvCallBaseGetHwPatch                            HvCallBase +  2
46 #define HvCallBaseReIplSpAttn                           HvCallBase +  3
47 #define HvCallBaseSetASR                                HvCallBase +  4
48 #define HvCallBaseSetASRAndRfi                          HvCallBase +  5
49 #define HvCallBaseSetIMR                                HvCallBase +  6
50 #define HvCallBaseSendIPI                               HvCallBase +  7
51 #define HvCallBaseTerminateMachine                      HvCallBase +  8
52 #define HvCallBaseTerminateMachineSrc                   HvCallBase +  9
53 #define HvCallBaseProcessPlicInterrupts                 HvCallBase + 10
54 #define HvCallBaseIsPrimaryCpmOrMsdIpl                  HvCallBase + 11
55 #define HvCallBaseSetVirtualSIT                         HvCallBase + 12
56 #define HvCallBaseVaryOffThisProcessor                  HvCallBase + 13
57 #define HvCallBaseVaryOffMemoryChunk                    HvCallBase + 14
58 #define HvCallBaseVaryOffInteractivePercentage          HvCallBase + 15
59 #define HvCallBaseSendLpProd                            HvCallBase + 16
60 #define HvCallBaseSetEnabledInterrupts                  HvCallBase + 17
61 #define HvCallBaseYieldProcessor                        HvCallBase + 18
62 #define HvCallBaseVaryOffSharedProcUnits                HvCallBase + 19
63 #define HvCallBaseSetVirtualDecr                        HvCallBase + 20
64 #define HvCallBaseClearLogBuffer                        HvCallBase + 21
65 #define HvCallBaseGetLogBufferCodePage                  HvCallBase + 22
66 #define HvCallBaseGetLogBufferFormat                    HvCallBase + 23
67 #define HvCallBaseGetLogBufferLength                    HvCallBase + 24
68 #define HvCallBaseReadLogBuffer                         HvCallBase + 25
69 #define HvCallBaseSetLogBufferFormatAndCodePage         HvCallBase + 26
70 #define HvCallBaseWriteLogBuffer                        HvCallBase + 27
71 #define HvCallBaseRouter28                              HvCallBase + 28
72 #define HvCallBaseRouter29                              HvCallBase + 29
73 #define HvCallBaseRouter30                              HvCallBase + 30
74 #define HvCallBaseSetDebugBus                           HvCallBase + 31
75
76 #define HvCallCcSetDABR                                 HvCallCc + 7
77
78 static inline void HvCall_setVirtualDecr(void)
79 {
80         /*
81          * Ignore any error return codes - most likely means that the
82          * target value for the LP has been increased and this vary off
83          * would bring us below the new target.
84          */
85         HvCall0(HvCallBaseSetVirtualDecr);
86 }
87
88 static inline void HvCall_yieldProcessor(unsigned typeOfYield, u64 yieldParm)
89 {
90         HvCall2(HvCallBaseYieldProcessor, typeOfYield, yieldParm);
91 }
92
93 static inline void HvCall_setEnabledInterrupts(u64 enabledInterrupts)
94 {
95         HvCall1(HvCallBaseSetEnabledInterrupts, enabledInterrupts);
96 }
97
98 static inline void HvCall_setLogBufferFormatAndCodepage(int format,
99                 u32 codePage)
100 {
101         HvCall2(HvCallBaseSetLogBufferFormatAndCodePage, format, codePage);
102 }
103
104 extern void HvCall_writeLogBuffer(const void *buffer, u64 bufLen);
105
106 static inline void HvCall_sendIPI(struct paca_struct *targetPaca)
107 {
108         HvCall1(HvCallBaseSendIPI, targetPaca->paca_index);
109 }
110
111 #endif /* _ASM_POWERPC_ISERIES_HV_CALL_H */