Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | * Copyright (C) 2001 Mike Corrigan IBM Corporation |
Stephen Rothwell | 45dc76a | 2005-06-21 17:15:33 -0700 | [diff] [blame] | 3 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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. |
Stephen Rothwell | 45dc76a | 2005-06-21 17:15:33 -0700 | [diff] [blame] | 8 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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. |
Stephen Rothwell | 45dc76a | 2005-06-21 17:15:33 -0700 | [diff] [blame] | 13 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | */ |
Stephen Rothwell | 0e29bb1 | 2005-10-14 17:09:16 +1000 | [diff] [blame] | 18 | #ifndef _PLATFORMS_ISERIES_CALL_HPT_H |
| 19 | #define _PLATFORMS_ISERIES_CALL_HPT_H |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | |
Stephen Rothwell | 45dc76a | 2005-06-21 17:15:33 -0700 | [diff] [blame] | 21 | /* |
| 22 | * This file contains the "hypervisor call" interface which is used to |
| 23 | * drive the hypervisor from the OS. |
| 24 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | |
Kelly Daly | 50592f5 | 2005-11-02 11:37:22 +1100 | [diff] [blame] | 26 | #include <asm/iseries/hv_call_sc.h> |
Kelly Daly | 1ec65d7 | 2005-11-02 13:46:07 +1100 | [diff] [blame] | 27 | #include <asm/iseries/hv_types.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | #include <asm/mmu.h> |
| 29 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Stephen Rothwell | 45dc76a | 2005-06-21 17:15:33 -0700 | [diff] [blame] | 43 | static inline u64 HvCallHpt_getHptAddress(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | { |
Stephen Rothwell | 6b7feec | 2005-06-21 17:15:35 -0700 | [diff] [blame] | 45 | return HvCall0(HvCallHptGetHptAddress); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | } |
Stephen Rothwell | 45dc76a | 2005-06-21 17:15:33 -0700 | [diff] [blame] | 47 | |
| 48 | static inline u64 HvCallHpt_getHptPages(void) |
| 49 | { |
Stephen Rothwell | 6b7feec | 2005-06-21 17:15:35 -0700 | [diff] [blame] | 50 | return HvCall0(HvCallHptGetHptPages); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | } |
Stephen Rothwell | 45dc76a | 2005-06-21 17:15:33 -0700 | [diff] [blame] | 52 | |
| 53 | static inline void HvCallHpt_setPp(u32 hpteIndex, u8 value) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | { |
Stephen Rothwell | 45dc76a | 2005-06-21 17:15:33 -0700 | [diff] [blame] | 55 | HvCall2(HvCallHptSetPp, hpteIndex, value); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | } |
Stephen Rothwell | 45dc76a | 2005-06-21 17:15:33 -0700 | [diff] [blame] | 57 | |
| 58 | static inline void HvCallHpt_setSwBits(u32 hpteIndex, u8 bitson, u8 bitsoff) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 59 | { |
Stephen Rothwell | 45dc76a | 2005-06-21 17:15:33 -0700 | [diff] [blame] | 60 | HvCall3(HvCallHptSetSwBits, hpteIndex, bitson, bitsoff); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | } |
Stephen Rothwell | 45dc76a | 2005-06-21 17:15:33 -0700 | [diff] [blame] | 62 | |
| 63 | static inline void HvCallHpt_invalidateNoSyncICache(u32 hpteIndex) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | { |
Stephen Rothwell | 45dc76a | 2005-06-21 17:15:33 -0700 | [diff] [blame] | 65 | HvCall1(HvCallHptInvalidateNoSyncICache, hpteIndex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | } |
Stephen Rothwell | 45dc76a | 2005-06-21 17:15:33 -0700 | [diff] [blame] | 67 | |
| 68 | static inline u64 HvCallHpt_invalidateSetSwBitsGet(u32 hpteIndex, u8 bitson, |
| 69 | u8 bitsoff) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | { |
| 71 | u64 compressedStatus; |
Stephen Rothwell | 45dc76a | 2005-06-21 17:15:33 -0700 | [diff] [blame] | 72 | |
| 73 | compressedStatus = HvCall4(HvCallHptInvalidateSetSwBitsGet, |
| 74 | hpteIndex, bitson, bitsoff, 1); |
| 75 | HvCall1(HvCallHptInvalidateNoSyncICache, hpteIndex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | return compressedStatus; |
| 77 | } |
Stephen Rothwell | 45dc76a | 2005-06-21 17:15:33 -0700 | [diff] [blame] | 78 | |
David Gibson | 96e2844 | 2005-07-13 01:11:42 -0700 | [diff] [blame] | 79 | static inline u64 HvCallHpt_findValid(hpte_t *hpte, u64 vpn) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | { |
Stephen Rothwell | 6b7feec | 2005-06-21 17:15:35 -0700 | [diff] [blame] | 81 | return HvCall3Ret16(HvCallHptFindValid, hpte, vpn, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | } |
Stephen Rothwell | 45dc76a | 2005-06-21 17:15:33 -0700 | [diff] [blame] | 83 | |
David Gibson | 96e2844 | 2005-07-13 01:11:42 -0700 | [diff] [blame] | 84 | static inline u64 HvCallHpt_findNextValid(hpte_t *hpte, u32 hpteIndex, |
Stephen Rothwell | 45dc76a | 2005-06-21 17:15:33 -0700 | [diff] [blame] | 85 | u8 bitson, u8 bitsoff) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | { |
Stephen Rothwell | 6b7feec | 2005-06-21 17:15:35 -0700 | [diff] [blame] | 87 | return HvCall3Ret16(HvCallHptFindNextValid, hpte, hpteIndex, |
| 88 | bitson, bitsoff); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | } |
Stephen Rothwell | 45dc76a | 2005-06-21 17:15:33 -0700 | [diff] [blame] | 90 | |
David Gibson | 96e2844 | 2005-07-13 01:11:42 -0700 | [diff] [blame] | 91 | static inline void HvCallHpt_get(hpte_t *hpte, u32 hpteIndex) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | { |
Stephen Rothwell | 45dc76a | 2005-06-21 17:15:33 -0700 | [diff] [blame] | 93 | HvCall2Ret16(HvCallHptGet, hpte, hpteIndex, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | } |
| 95 | |
David Gibson | 96e2844 | 2005-07-13 01:11:42 -0700 | [diff] [blame] | 96 | static inline void HvCallHpt_addValidate(u32 hpteIndex, u32 hBit, hpte_t *hpte) |
Stephen Rothwell | 45dc76a | 2005-06-21 17:15:33 -0700 | [diff] [blame] | 97 | { |
David Gibson | 96e2844 | 2005-07-13 01:11:42 -0700 | [diff] [blame] | 98 | HvCall4(HvCallHptAddValidate, hpteIndex, hBit, hpte->v, hpte->r); |
Stephen Rothwell | 45dc76a | 2005-06-21 17:15:33 -0700 | [diff] [blame] | 99 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | |
Stephen Rothwell | 0e29bb1 | 2005-10-14 17:09:16 +1000 | [diff] [blame] | 101 | #endif /* _PLATFORMS_ISERIES_CALL_HPT_H */ |