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1/*
2 * HvCallHpt.h
3 * Copyright (C) 2001 Mike Corrigan IBM Corporation
45dc76aa 4 *
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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.
45dc76aa 9 *
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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.
45dc76aa 14 *
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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 _HVCALLHPT_H
20#define _HVCALLHPT_H
21
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22/*
23 * This file contains the "hypervisor call" interface which is used to
24 * drive the hypervisor from the OS.
25 */
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26
27#include <asm/iSeries/HvCallSc.h>
28#include <asm/iSeries/HvTypes.h>
29#include <asm/mmu.h>
30
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31#define HvCallHptGetHptAddress HvCallHpt + 0
32#define HvCallHptGetHptPages HvCallHpt + 1
33#define HvCallHptSetPp HvCallHpt + 5
34#define HvCallHptSetSwBits HvCallHpt + 6
35#define HvCallHptUpdate HvCallHpt + 7
36#define HvCallHptInvalidateNoSyncICache HvCallHpt + 8
37#define HvCallHptGet HvCallHpt + 11
38#define HvCallHptFindNextValid HvCallHpt + 12
39#define HvCallHptFindValid HvCallHpt + 13
40#define HvCallHptAddValidate HvCallHpt + 16
41#define HvCallHptInvalidateSetSwBitsGet HvCallHpt + 18
42
43
45dc76aa 44static inline u64 HvCallHpt_getHptAddress(void)
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45{
46 u64 retval = HvCall0(HvCallHptGetHptAddress);
47 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
48 return retval;
49}
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50
51static inline u64 HvCallHpt_getHptPages(void)
52{
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53 u64 retval = HvCall0(HvCallHptGetHptPages);
54 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
55 return retval;
56}
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57
58static inline void HvCallHpt_setPp(u32 hpteIndex, u8 value)
1da177e4 59{
45dc76aa 60 HvCall2(HvCallHptSetPp, hpteIndex, value);
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61 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
62}
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63
64static inline void HvCallHpt_setSwBits(u32 hpteIndex, u8 bitson, u8 bitsoff)
1da177e4 65{
45dc76aa 66 HvCall3(HvCallHptSetSwBits, hpteIndex, bitson, bitsoff);
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67 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
68}
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69
70static inline void HvCallHpt_invalidateNoSyncICache(u32 hpteIndex)
1da177e4 71{
45dc76aa 72 HvCall1(HvCallHptInvalidateNoSyncICache, hpteIndex);
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73 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
74}
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75
76static inline u64 HvCallHpt_invalidateSetSwBitsGet(u32 hpteIndex, u8 bitson,
77 u8 bitsoff)
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78{
79 u64 compressedStatus;
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80
81 compressedStatus = HvCall4(HvCallHptInvalidateSetSwBitsGet,
82 hpteIndex, bitson, bitsoff, 1);
83 HvCall1(HvCallHptInvalidateNoSyncICache, hpteIndex);
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84 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
85 return compressedStatus;
86}
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87
88static inline u64 HvCallHpt_findValid(HPTE *hpte, u64 vpn)
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89{
90 u64 retIndex = HvCall3Ret16( HvCallHptFindValid, hpte, vpn, 0, 0 );
91 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
92 return retIndex;
93}
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94
95static inline u64 HvCallHpt_findNextValid(HPTE *hpte, u32 hpteIndex,
96 u8 bitson, u8 bitsoff)
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97{
98 u64 retIndex = HvCall3Ret16( HvCallHptFindNextValid, hpte, hpteIndex, bitson, bitsoff );
99 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
100 return retIndex;
101}
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102
103static inline void HvCallHpt_get(HPTE *hpte, u32 hpteIndex)
1da177e4 104{
45dc76aa 105 HvCall2Ret16(HvCallHptGet, hpte, hpteIndex, 0);
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106 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
107}
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108
109static inline void HvCallHpt_addValidate(u32 hpteIndex, u32 hBit, HPTE *hpte)
1da177e4 110{
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111 HvCall4(HvCallHptAddValidate, hpteIndex, hBit, (*((u64 *)hpte)),
112 (*(((u64 *)hpte)+1)));
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113 // getPaca()->adjustHmtForNoOfSpinLocksHeld();
114}
115
1da177e4 116#endif /* _HVCALLHPT_H */