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[cris-mirror.git] / arch / powerpc / platforms / iseries / call_hpt.h
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1 /*
2 * Copyright (C) 2001 Mike Corrigan IBM Corporation
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.
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.
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
18 #ifndef _PLATFORMS_ISERIES_CALL_HPT_H
19 #define _PLATFORMS_ISERIES_CALL_HPT_H
22 * This file contains the "hypervisor call" interface which is used to
23 * drive the hypervisor from the OS.
26 #include <asm/iseries/hv_call_sc.h>
27 #include <asm/iseries/hv_types.h>
28 #include <asm/mmu.h>
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
43 static inline u64 HvCallHpt_getHptAddress(void)
45 return HvCall0(HvCallHptGetHptAddress);
48 static inline u64 HvCallHpt_getHptPages(void)
50 return HvCall0(HvCallHptGetHptPages);
53 static inline void HvCallHpt_setPp(u32 hpteIndex, u8 value)
55 HvCall2(HvCallHptSetPp, hpteIndex, value);
58 static inline void HvCallHpt_setSwBits(u32 hpteIndex, u8 bitson, u8 bitsoff)
60 HvCall3(HvCallHptSetSwBits, hpteIndex, bitson, bitsoff);
63 static inline void HvCallHpt_invalidateNoSyncICache(u32 hpteIndex)
65 HvCall1(HvCallHptInvalidateNoSyncICache, hpteIndex);
68 static inline u64 HvCallHpt_invalidateSetSwBitsGet(u32 hpteIndex, u8 bitson,
69 u8 bitsoff)
71 u64 compressedStatus;
73 compressedStatus = HvCall4(HvCallHptInvalidateSetSwBitsGet,
74 hpteIndex, bitson, bitsoff, 1);
75 HvCall1(HvCallHptInvalidateNoSyncICache, hpteIndex);
76 return compressedStatus;
79 static inline u64 HvCallHpt_findValid(struct hash_pte *hpte, u64 vpn)
81 return HvCall3Ret16(HvCallHptFindValid, hpte, vpn, 0, 0);
84 static inline u64 HvCallHpt_findNextValid(struct hash_pte *hpte, u32 hpteIndex,
85 u8 bitson, u8 bitsoff)
87 return HvCall3Ret16(HvCallHptFindNextValid, hpte, hpteIndex,
88 bitson, bitsoff);
91 static inline void HvCallHpt_get(struct hash_pte *hpte, u32 hpteIndex)
93 HvCall2Ret16(HvCallHptGet, hpte, hpteIndex, 0);
96 static inline void HvCallHpt_addValidate(u32 hpteIndex, u32 hBit,
97 struct hash_pte *hpte)
99 HvCall4(HvCallHptAddValidate, hpteIndex, hBit, hpte->v, hpte->r);
102 #endif /* _PLATFORMS_ISERIES_CALL_HPT_H */