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gerrit-public.fairphone.software / kernel / msm-4.9 / 021ec9c69f8b7b20f46296cc76cc4cb341b25191 / . / arch / powerpc / include / asm / kvm_book3s.h
blob: c91be0ff0232f624aed6cd94b5944dbbff51c2d9 [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>
Alexander Graf7e57cba2010-01-08 02:58:03 +0100[diff] [blame]26#include <asm/kvm_book3s_64_asm.h>
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]27
28struct kvmppc_slb {
29 u64 esid;
30 u64 vsid;
31 u64 orige;
32 u64 origv;
33 bool valid;
34 bool Ks;
35 bool Kp;
36 bool nx;
37 bool large;
38 bool class;
39};
40
41struct kvmppc_sr {
42 u32 raw;
43 u32 vsid;
44 bool Ks;
45 bool Kp;
46 bool nx;
47};
48
49struct kvmppc_bat {
Alexander Grafe15a1132009-11-30 03:02:02 +0000[diff] [blame]50 u64 raw;
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]51 u32 bepi;
52 u32 bepi_mask;
53 bool vs;
54 bool vp;
55 u32 brpn;
56 u8 wimg;
57 u8 pp;
58};
59
60struct kvmppc_sid_map {
61 u64 guest_vsid;
62 u64 guest_esid;
63 u64 host_vsid;
64 bool valid;
65};
66
67#define SID_MAP_BITS 9
68#define SID_MAP_NUM (1 << SID_MAP_BITS)
69#define SID_MAP_MASK (SID_MAP_NUM - 1)
70
71struct kvmppc_vcpu_book3s {
72 struct kvm_vcpu vcpu;
Alexander Graf7e57cba2010-01-08 02:58:03 +0100[diff] [blame]73 struct kvmppc_book3s_shadow_vcpu shadow_vcpu;
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]74 struct kvmppc_sid_map sid_map[SID_MAP_NUM];
75 struct kvmppc_slb slb[64];
76 struct {
77 u64 esid;
78 u64 vsid;
79 } slb_shadow[64];
80 u8 slb_shadow_max;
81 struct kvmppc_sr sr[16];
82 struct kvmppc_bat ibat[8];
83 struct kvmppc_bat dbat[8];
84 u64 hid[6];
85 int slb_nr;
86 u64 sdr1;
87 u64 dsisr;
88 u64 hior;
89 u64 msr_mask;
90 u64 vsid_first;
91 u64 vsid_next;
92 u64 vsid_max;
93 int context_id;
94};
95
96#define CONTEXT_HOST 0
97#define CONTEXT_GUEST 1
98#define CONTEXT_GUEST_END 2
99
100#define VSID_REAL 0xfffffffffff00000
101#define VSID_REAL_DR 0xffffffffffe00000
102#define VSID_REAL_IR 0xffffffffffd00000
103#define VSID_BAT 0xffffffffffc00000
104#define VSID_PR 0x8000000000000000
105
106extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 ea, u64 ea_mask);
107extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask);
108extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, u64 pa_start, u64 pa_end);
109extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr);
110extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu);
111extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu);
112extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte);
113extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr);
114extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu);
115extern struct kvmppc_pte *kvmppc_mmu_find_pte(struct kvm_vcpu *vcpu, u64 ea, bool data);
116extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr, bool data);
117extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr);
118extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec);
Alexander Grafe15a1132009-11-30 03:02:02 +0000[diff] [blame]119extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat,
120 bool upper, u32 val);
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]121
122extern u32 kvmppc_trampoline_lowmem;
123extern u32 kvmppc_trampoline_enter;
Alexander Graf021ec9c2010-01-08 02:58:06 +0100[diff] [blame^]124extern void kvmppc_rmcall(ulong srr0, ulong srr1);
Alexander Graf4e3420252009-10-30 05:47:05 +0000[diff] [blame]125
126static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu)
127{
128 return container_of(vcpu, struct kvmppc_vcpu_book3s, vcpu);
129}
130
131static inline ulong dsisr(void)
132{
133 ulong r;
134 asm ( "mfdsisr %0 " : "=r" (r) );
135 return r;
136}
137
138extern void kvm_return_point(void);
139
140#define INS_DCBZ 0x7c0007ec
141
142#endif /* __ASM_KVM_BOOK3S_H__ */