aboutsummaryrefslogtreecommitdiffstats
path: root/arch/powerpc/platforms/iseries/call_hpt.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/platforms/iseries/call_hpt.h')
-rw-r--r--arch/powerpc/platforms/iseries/call_hpt.h102
1 files changed, 102 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/iseries/call_hpt.h b/arch/powerpc/platforms/iseries/call_hpt.h
new file mode 100644
index 00000000000..8d95fe4b554
--- /dev/null
+++ b/arch/powerpc/platforms/iseries/call_hpt.h
@@ -0,0 +1,102 @@
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(struct hash_pte *hpte, u64 vpn)
80{
81 return HvCall3Ret16(HvCallHptFindValid, hpte, vpn, 0, 0);
82}
83
84static 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
91static inline void HvCallHpt_get(struct hash_pte *hpte, u32 hpteIndex)
92{
93 HvCall2Ret16(HvCallHptGet, hpte, hpteIndex, 0);
94}
95
96static 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 */