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
HvCallHpt_getHptAddress(void)43 static inline u64 HvCallHpt_getHptAddress(void)
44 {
45 return HvCall0(HvCallHptGetHptAddress);
46 }
47
HvCallHpt_getHptPages(void)48 static inline u64 HvCallHpt_getHptPages(void)
49 {
50 return HvCall0(HvCallHptGetHptPages);
51 }
52
HvCallHpt_setPp(u32 hpteIndex,u8 value)53 static inline void HvCallHpt_setPp(u32 hpteIndex, u8 value)
54 {
55 HvCall2(HvCallHptSetPp, hpteIndex, value);
56 }
57
HvCallHpt_setSwBits(u32 hpteIndex,u8 bitson,u8 bitsoff)58 static inline void HvCallHpt_setSwBits(u32 hpteIndex, u8 bitson, u8 bitsoff)
59 {
60 HvCall3(HvCallHptSetSwBits, hpteIndex, bitson, bitsoff);
61 }
62
HvCallHpt_invalidateNoSyncICache(u32 hpteIndex)63 static inline void HvCallHpt_invalidateNoSyncICache(u32 hpteIndex)
64 {
65 HvCall1(HvCallHptInvalidateNoSyncICache, hpteIndex);
66 }
67
HvCallHpt_invalidateSetSwBitsGet(u32 hpteIndex,u8 bitson,u8 bitsoff)68 static 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
HvCallHpt_findValid(struct hash_pte * hpte,u64 vpn)79 static inline u64 HvCallHpt_findValid(struct hash_pte *hpte, u64 vpn)
80 {
81 return HvCall3Ret16(HvCallHptFindValid, hpte, vpn, 0, 0);
82 }
83
HvCallHpt_findNextValid(struct hash_pte * hpte,u32 hpteIndex,u8 bitson,u8 bitsoff)84 static inline u64 HvCallHpt_findNextValid(struct hash_pte *hpte, u32 hpteIndex,
85 u8 bitson, u8 bitsoff)
86 {
87 return HvCall3Ret16(HvCallHptFindNextValid, hpte, hpteIndex,
88 bitson, bitsoff);
89 }
90
HvCallHpt_get(struct hash_pte * hpte,u32 hpteIndex)91 static inline void HvCallHpt_get(struct hash_pte *hpte, u32 hpteIndex)
92 {
93 HvCall2Ret16(HvCallHptGet, hpte, hpteIndex, 0);
94 }
95
HvCallHpt_addValidate(u32 hpteIndex,u32 hBit,struct hash_pte * hpte)96 static inline void HvCallHpt_addValidate(u32 hpteIndex, u32 hBit,
97 struct hash_pte *hpte)
98 {
99 HvCall4(HvCallHptAddValidate, hpteIndex, hBit, hpte->v, hpte->r);
100 }
101
102 #endif /* _PLATFORMS_ISERIES_CALL_HPT_H */
103