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
HvCall_setVirtualDecr(void)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
HvCall_yieldProcessor(unsigned typeOfYield,u64 yieldParm)88 static inline void HvCall_yieldProcessor(unsigned typeOfYield, u64 yieldParm)
89 {
90 HvCall2(HvCallBaseYieldProcessor, typeOfYield, yieldParm);
91 }
92
HvCall_setEnabledInterrupts(u64 enabledInterrupts)93 static inline void HvCall_setEnabledInterrupts(u64 enabledInterrupts)
94 {
95 HvCall1(HvCallBaseSetEnabledInterrupts, enabledInterrupts);
96 }
97
HvCall_setLogBufferFormatAndCodepage(int format,u32 codePage)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
HvCall_sendIPI(struct paca_struct * targetPaca)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 */
112