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 _PLATFORMS_ISERIES_CALL_HPT_H 19#define _PLATFORMS_ISERIES_CALL_HPT_H 20 21/* 22 * This file contains the "hypervisor call" interface which is used to 23 * drive the hypervisor from the OS. 24 */ 25 26#include <asm/iseries/hv_call_sc.h> 27#include <asm/iseries/hv_types.h> 28#include <asm/mmu.h> 29 30#define HvCallHptGetHptAddress HvCallHpt + 0 31#define HvCallHptGetHptPages HvCallHpt + 1 32#define HvCallHptSetPp HvCallHpt + 5 33#define HvCallHptSetSwBits HvCallHpt + 6 34#define HvCallHptUpdate HvCallHpt + 7 35#define HvCallHptInvalidateNoSyncICache HvCallHpt + 8 36#define HvCallHptGet HvCallHpt + 11 37#define HvCallHptFindNextValid HvCallHpt + 12 38#define HvCallHptFindValid HvCallHpt + 13 39#define HvCallHptAddValidate HvCallHpt + 16 40#define HvCallHptInvalidateSetSwBitsGet HvCallHpt + 18 41 42 43static inline u64 HvCallHpt_getHptAddress(void) 44{ 45 return HvCall0(HvCallHptGetHptAddress); 46} 47 48static inline u64 HvCallHpt_getHptPages(void) 49{ 50 return HvCall0(HvCallHptGetHptPages); 51} 52 53static inline void HvCallHpt_setPp(u32 hpteIndex, u8 value) 54{ 55 HvCall2(HvCallHptSetPp, hpteIndex, value); 56} 57 58static inline void HvCallHpt_setSwBits(u32 hpteIndex, u8 bitson, u8 bitsoff) 59{ 60 HvCall3(HvCallHptSetSwBits, hpteIndex, bitson, bitsoff); 61} 62 63static inline void HvCallHpt_invalidateNoSyncICache(u32 hpteIndex) 64{ 65 HvCall1(HvCallHptInvalidateNoSyncICache, hpteIndex); 66} 67 68static inline u64 HvCallHpt_invalidateSetSwBitsGet(u32 hpteIndex, u8 bitson, 69 u8 bitsoff) 70{ 71 u64 compressedStatus; 72 73 compressedStatus = HvCall4(HvCallHptInvalidateSetSwBitsGet, 74 hpteIndex, bitson, bitsoff, 1); 75 HvCall1(HvCallHptInvalidateNoSyncICache, hpteIndex); 76 return compressedStatus; 77} 78 79static inline u64 HvCallHpt_findValid(hpte_t *hpte, u64 vpn) 80{ 81 return HvCall3Ret16(HvCallHptFindValid, hpte, vpn, 0, 0); 82} 83 84static inline u64 HvCallHpt_findNextValid(hpte_t *hpte, u32 hpteIndex, 85 u8 bitson, u8 bitsoff) 86{ 87 return HvCall3Ret16(HvCallHptFindNextValid, hpte, hpteIndex, 88 bitson, bitsoff); 89} 90 91static inline void HvCallHpt_get(hpte_t *hpte, u32 hpteIndex) 92{ 93 HvCall2Ret16(HvCallHptGet, hpte, hpteIndex, 0); 94} 95 96static inline void HvCallHpt_addValidate(u32 hpteIndex, u32 hBit, hpte_t *hpte) 97{ 98 HvCall4(HvCallHptAddValidate, hpteIndex, hBit, hpte->v, hpte->r); 99} 100 101#endif /* _PLATFORMS_ISERIES_CALL_HPT_H */ 102