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4e342025 AG |
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 | ||
27 | struct 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 | ||
40 | struct kvmppc_sr { | |
41 | u32 raw; | |
42 | u32 vsid; | |
43 | bool Ks; | |
44 | bool Kp; | |
45 | bool nx; | |
46 | }; | |
47 | ||
48 | struct kvmppc_bat { | |
e15a1137 | 49 | u64 raw; |
4e342025 AG |
50 | u32 bepi; |
51 | u32 bepi_mask; | |
52 | bool vs; | |
53 | bool vp; | |
54 | u32 brpn; | |
55 | u8 wimg; | |
56 | u8 pp; | |
57 | }; | |
58 | ||
59 | struct 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 | ||
70 | struct 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 | ||
104 | extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 ea, u64 ea_mask); | |
105 | extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask); | |
106 | extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, u64 pa_start, u64 pa_end); | |
107 | extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr); | |
108 | extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu); | |
109 | extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu); | |
110 | extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte); | |
111 | extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr); | |
112 | extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu); | |
113 | extern struct kvmppc_pte *kvmppc_mmu_find_pte(struct kvm_vcpu *vcpu, u64 ea, bool data); | |
114 | extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr, bool data); | |
115 | extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr); | |
116 | extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec); | |
e15a1137 AG |
117 | extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat, |
118 | bool upper, u32 val); | |
4e342025 AG |
119 | |
120 | extern u32 kvmppc_trampoline_lowmem; | |
121 | extern u32 kvmppc_trampoline_enter; | |
122 | ||
123 | static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu) | |
124 | { | |
125 | return container_of(vcpu, struct kvmppc_vcpu_book3s, vcpu); | |
126 | } | |
127 | ||
128 | static inline ulong dsisr(void) | |
129 | { | |
130 | ulong r; | |
131 | asm ( "mfdsisr %0 " : "=r" (r) ); | |
132 | return r; | |
133 | } | |
134 | ||
135 | extern void kvm_return_point(void); | |
136 | ||
137 | #define INS_DCBZ 0x7c0007ec | |
138 | ||
139 | #endif /* __ASM_KVM_BOOK3S_H__ */ |