Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * HvCallHpt.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 _HVCALLHPT_H |
| 20 | #define _HVCALLHPT_H |
| 21 | |
| 22 | //============================================================================ |
| 23 | // |
| 24 | // This file contains the "hypervisor call" interface which is used to |
| 25 | // drive the hypervisor from the OS. |
| 26 | // |
| 27 | //============================================================================ |
| 28 | |
| 29 | #include <asm/iSeries/HvCallSc.h> |
| 30 | #include <asm/iSeries/HvTypes.h> |
| 31 | #include <asm/mmu.h> |
| 32 | |
| 33 | //----------------------------------------------------------------------------- |
| 34 | // Constants |
| 35 | //----------------------------------------------------------------------------- |
| 36 | |
| 37 | #define HvCallHptGetHptAddress HvCallHpt + 0 |
| 38 | #define HvCallHptGetHptPages HvCallHpt + 1 |
| 39 | #define HvCallHptSetPp HvCallHpt + 5 |
| 40 | #define HvCallHptSetSwBits HvCallHpt + 6 |
| 41 | #define HvCallHptUpdate HvCallHpt + 7 |
| 42 | #define HvCallHptInvalidateNoSyncICache HvCallHpt + 8 |
| 43 | #define HvCallHptGet HvCallHpt + 11 |
| 44 | #define HvCallHptFindNextValid HvCallHpt + 12 |
| 45 | #define HvCallHptFindValid HvCallHpt + 13 |
| 46 | #define HvCallHptAddValidate HvCallHpt + 16 |
| 47 | #define HvCallHptInvalidateSetSwBitsGet HvCallHpt + 18 |
| 48 | |
| 49 | |
| 50 | //============================================================================ |
| 51 | static inline u64 HvCallHpt_getHptAddress(void) |
| 52 | { |
| 53 | u64 retval = HvCall0(HvCallHptGetHptAddress); |
| 54 | // getPaca()->adjustHmtForNoOfSpinLocksHeld(); |
| 55 | return retval; |
| 56 | } |
| 57 | //============================================================================ |
| 58 | static inline u64 HvCallHpt_getHptPages(void) |
| 59 | { |
| 60 | u64 retval = HvCall0(HvCallHptGetHptPages); |
| 61 | // getPaca()->adjustHmtForNoOfSpinLocksHeld(); |
| 62 | return retval; |
| 63 | } |
| 64 | //============================================================================= |
| 65 | static inline void HvCallHpt_setPp(u32 hpteIndex, u8 value) |
| 66 | { |
| 67 | HvCall2( HvCallHptSetPp, hpteIndex, value ); |
| 68 | // getPaca()->adjustHmtForNoOfSpinLocksHeld(); |
| 69 | } |
| 70 | //============================================================================= |
| 71 | static inline void HvCallHpt_setSwBits(u32 hpteIndex, u8 bitson, u8 bitsoff ) |
| 72 | { |
| 73 | HvCall3( HvCallHptSetSwBits, hpteIndex, bitson, bitsoff ); |
| 74 | // getPaca()->adjustHmtForNoOfSpinLocksHeld(); |
| 75 | } |
| 76 | //============================================================================= |
| 77 | static inline void HvCallHpt_invalidateNoSyncICache(u32 hpteIndex) |
| 78 | |
| 79 | { |
| 80 | HvCall1( HvCallHptInvalidateNoSyncICache, hpteIndex ); |
| 81 | // getPaca()->adjustHmtForNoOfSpinLocksHeld(); |
| 82 | } |
| 83 | //============================================================================= |
| 84 | static inline u64 HvCallHpt_invalidateSetSwBitsGet(u32 hpteIndex, u8 bitson, u8 bitsoff ) |
| 85 | |
| 86 | { |
| 87 | u64 compressedStatus; |
| 88 | compressedStatus = HvCall4( HvCallHptInvalidateSetSwBitsGet, hpteIndex, bitson, bitsoff, 1 ); |
| 89 | HvCall1( HvCallHptInvalidateNoSyncICache, hpteIndex ); |
| 90 | // getPaca()->adjustHmtForNoOfSpinLocksHeld(); |
| 91 | return compressedStatus; |
| 92 | } |
| 93 | //============================================================================= |
| 94 | static inline u64 HvCallHpt_findValid( HPTE *hpte, u64 vpn ) |
| 95 | { |
| 96 | u64 retIndex = HvCall3Ret16( HvCallHptFindValid, hpte, vpn, 0, 0 ); |
| 97 | // getPaca()->adjustHmtForNoOfSpinLocksHeld(); |
| 98 | return retIndex; |
| 99 | } |
| 100 | //============================================================================= |
| 101 | static inline u64 HvCallHpt_findNextValid( HPTE *hpte, u32 hpteIndex, u8 bitson, u8 bitsoff ) |
| 102 | { |
| 103 | u64 retIndex = HvCall3Ret16( HvCallHptFindNextValid, hpte, hpteIndex, bitson, bitsoff ); |
| 104 | // getPaca()->adjustHmtForNoOfSpinLocksHeld(); |
| 105 | return retIndex; |
| 106 | } |
| 107 | //============================================================================= |
| 108 | static inline void HvCallHpt_get( HPTE *hpte, u32 hpteIndex ) |
| 109 | { |
| 110 | HvCall2Ret16( HvCallHptGet, hpte, hpteIndex, 0 ); |
| 111 | // getPaca()->adjustHmtForNoOfSpinLocksHeld(); |
| 112 | } |
| 113 | //============================================================================ |
| 114 | static inline void HvCallHpt_addValidate( u32 hpteIndex, |
| 115 | u32 hBit, |
| 116 | HPTE *hpte ) |
| 117 | |
| 118 | { |
| 119 | HvCall4( HvCallHptAddValidate, hpteIndex, |
| 120 | hBit, (*((u64 *)hpte)), (*(((u64 *)hpte)+1)) ); |
| 121 | // getPaca()->adjustHmtForNoOfSpinLocksHeld(); |
| 122 | } |
| 123 | |
| 124 | |
| 125 | //============================================================================= |
| 126 | |
| 127 | #endif /* _HVCALLHPT_H */ |