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gerrit-public.fairphone.software / kernel / msm-5.4 / e15a113700324f7fdcee95589875daed2b98a2fe / . / arch / powerpc / include / asm / kvm_book3s.h
blob: 74b7369770d05b3f93a9c233e3815aef3ad51300 [file] [log] [blame]
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]1/*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License, version 2, as
4 * published by the Free Software Foundation.
5 *
6 * This program is distributed in the hope that it will be useful,
7 * but WITHOUT ANY WARRANTY; without even the implied warranty of
8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9 * GNU General Public License for more details.
10 *
11 * You should have received a copy of the GNU General Public License
12 * along with this program; if not, write to the Free Software
13 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
14 *
15 * Copyright SUSE Linux Products GmbH 2009
16 *
17 * Authors: Alexander Graf <agraf@suse.de>
18 */
19
20#ifndef __ASM_KVM_BOOK3S_H__
21#define __ASM_KVM_BOOK3S_H__
22
23#include <linux/types.h>
24#include <linux/kvm_host.h>
25#include <asm/kvm_ppc.h>
26
27struct kvmppc_slb {
28 u64 esid;
29 u64 vsid;
30 u64 orige;
31 u64 origv;
32 bool valid;
33 bool Ks;
34 bool Kp;
35 bool nx;
36 bool large;
37 bool class;
38};
39
40struct kvmppc_sr {
41 u32 raw;
42 u32 vsid;
43 bool Ks;
44 bool Kp;
45 bool nx;
46};
47
48struct kvmppc_bat {
Alexander Grafe15a1132009-11-30 03:02:02 +0000[diff] [blame^]49 u64 raw;
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]50 u32 bepi;
51 u32 bepi_mask;
52 bool vs;
53 bool vp;
54 u32 brpn;
55 u8 wimg;
56 u8 pp;
57};
58
59struct kvmppc_sid_map {
60 u64 guest_vsid;
61 u64 guest_esid;
62 u64 host_vsid;
63 bool valid;
64};
65
66#define SID_MAP_BITS 9
67#define SID_MAP_NUM (1 << SID_MAP_BITS)
68#define SID_MAP_MASK (SID_MAP_NUM - 1)
69
70struct kvmppc_vcpu_book3s {
71 struct kvm_vcpu vcpu;
72 struct kvmppc_sid_map sid_map[SID_MAP_NUM];
73 struct kvmppc_slb slb[64];
74 struct {
75 u64 esid;
76 u64 vsid;
77 } slb_shadow[64];
78 u8 slb_shadow_max;
79 struct kvmppc_sr sr[16];
80 struct kvmppc_bat ibat[8];
81 struct kvmppc_bat dbat[8];
82 u64 hid[6];
83 int slb_nr;
84 u64 sdr1;
85 u64 dsisr;
86 u64 hior;
87 u64 msr_mask;
88 u64 vsid_first;
89 u64 vsid_next;
90 u64 vsid_max;
91 int context_id;
92};
93
94#define CONTEXT_HOST 0
95#define CONTEXT_GUEST 1
96#define CONTEXT_GUEST_END 2
97
98#define VSID_REAL 0xfffffffffff00000
99#define VSID_REAL_DR 0xffffffffffe00000
100#define VSID_REAL_IR 0xffffffffffd00000
101#define VSID_BAT 0xffffffffffc00000
102#define VSID_PR 0x8000000000000000
103
104extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 ea, u64 ea_mask);
105extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask);
106extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, u64 pa_start, u64 pa_end);
107extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr);
108extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu);
109extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu);
110extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte);
111extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr);
112extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu);
113extern struct kvmppc_pte *kvmppc_mmu_find_pte(struct kvm_vcpu *vcpu, u64 ea, bool data);
114extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr, bool data);
115extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr);
116extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec);
Alexander Grafe15a1132009-11-30 03:02:02 +0000[diff] [blame^]117extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat,
118 bool upper, u32 val);
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]119
120extern u32 kvmppc_trampoline_lowmem;
121extern u32 kvmppc_trampoline_enter;
122
123static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu)
124{
125 return container_of(vcpu, struct kvmppc_vcpu_book3s, vcpu);
126}
127
128static inline ulong dsisr(void)
129{
130 ulong r;
131 asm ( "mfdsisr %0 " : "=r" (r) );
132 return r;
133}
134
135extern void kvm_return_point(void);
136
137#define INS_DCBZ 0x7c0007ec
138
139#endif /* __ASM_KVM_BOOK3S_H__ */