err.no Git - linux-2.6/blob - include/asm-ppc64/iSeries/HvCallHpt.h

   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  * This file contains the "hypervisor call" interface which is used to
  24  * drive the hypervisor from the OS.
  25  */
  26
  27 #include <asm/iSeries/HvCallSc.h>
  28 #include <asm/iSeries/HvTypes.h>
  29 #include <asm/mmu.h>
  30
  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
  44 static inline u64 HvCallHpt_getHptAddress(void)
  45 {
  46         u64 retval = HvCall0(HvCallHptGetHptAddress);
  47         // getPaca()->adjustHmtForNoOfSpinLocksHeld();
  48         return retval;
  49 }
  50
  51 static inline u64 HvCallHpt_getHptPages(void)
  52 {
  53         u64 retval = HvCall0(HvCallHptGetHptPages);
  54         // getPaca()->adjustHmtForNoOfSpinLocksHeld();
  55         return retval;
  56 }
  57
  58 static inline void HvCallHpt_setPp(u32 hpteIndex, u8 value)
  59 {
  60         HvCall2(HvCallHptSetPp, hpteIndex, value);
  61         // getPaca()->adjustHmtForNoOfSpinLocksHeld();
  62 }
  63
  64 static inline void HvCallHpt_setSwBits(u32 hpteIndex, u8 bitson, u8 bitsoff)
  65 {
  66         HvCall3(HvCallHptSetSwBits, hpteIndex, bitson, bitsoff);
  67         // getPaca()->adjustHmtForNoOfSpinLocksHeld();
  68 }
  69
  70 static inline void HvCallHpt_invalidateNoSyncICache(u32 hpteIndex)
  71 {
  72         HvCall1(HvCallHptInvalidateNoSyncICache, hpteIndex);
  73         // getPaca()->adjustHmtForNoOfSpinLocksHeld();
  74 }
  75
  76 static inline u64 HvCallHpt_invalidateSetSwBitsGet(u32 hpteIndex, u8 bitson,
  77                 u8 bitsoff)
  78 {
  79         u64 compressedStatus;
  80
  81         compressedStatus = HvCall4(HvCallHptInvalidateSetSwBitsGet,
  82                         hpteIndex, bitson, bitsoff, 1);
  83         HvCall1(HvCallHptInvalidateNoSyncICache, hpteIndex);
  84         // getPaca()->adjustHmtForNoOfSpinLocksHeld();
  85         return compressedStatus;
  86 }
  87
  88 static inline u64 HvCallHpt_findValid(HPTE *hpte, u64 vpn)
  89 {
  90         u64 retIndex = HvCall3Ret16( HvCallHptFindValid, hpte, vpn, 0, 0 );
  91         // getPaca()->adjustHmtForNoOfSpinLocksHeld();
  92         return retIndex;
  93 }
  94
  95 static inline u64 HvCallHpt_findNextValid(HPTE *hpte, u32 hpteIndex,
  96                 u8 bitson, u8 bitsoff)
  97 {
  98         u64 retIndex = HvCall3Ret16( HvCallHptFindNextValid, hpte, hpteIndex, bitson, bitsoff );
  99         // getPaca()->adjustHmtForNoOfSpinLocksHeld();
 100         return retIndex;
 101 }
 102
 103 static inline void HvCallHpt_get(HPTE *hpte, u32 hpteIndex)
 104 {
 105         HvCall2Ret16(HvCallHptGet, hpte, hpteIndex, 0);
 106         // getPaca()->adjustHmtForNoOfSpinLocksHeld();
 107 }
 108
 109 static inline void HvCallHpt_addValidate(u32 hpteIndex, u32 hBit, HPTE *hpte)
 110 {
 111         HvCall4(HvCallHptAddValidate, hpteIndex, hBit, (*((u64 *)hpte)),
 112                         (*(((u64 *)hpte)+1)));
 113         // getPaca()->adjustHmtForNoOfSpinLocksHeld();
 114 }
 115
 116 #endif /* _HVCALLHPT_H */