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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> | |
2191d657 | 25 | #include <asm/kvm_book3s_asm.h> |
4e342025 AG |
26 | |
27 | struct kvmppc_slb { | |
28 | u64 esid; | |
29 | u64 vsid; | |
30 | u64 orige; | |
31 | u64 origv; | |
3ed9c6d2 AG |
32 | bool valid : 1; |
33 | bool Ks : 1; | |
34 | bool Kp : 1; | |
35 | bool nx : 1; | |
36 | bool large : 1; /* PTEs are 16MB */ | |
37 | bool tb : 1; /* 1TB segment */ | |
38 | bool class : 1; | |
4e342025 AG |
39 | }; |
40 | ||
4e342025 | 41 | struct kvmppc_bat { |
e15a1137 | 42 | u64 raw; |
4e342025 AG |
43 | u32 bepi; |
44 | u32 bepi_mask; | |
4e342025 AG |
45 | u32 brpn; |
46 | u8 wimg; | |
47 | u8 pp; | |
3ed9c6d2 AG |
48 | bool vs : 1; |
49 | bool vp : 1; | |
4e342025 AG |
50 | }; |
51 | ||
52 | struct kvmppc_sid_map { | |
53 | u64 guest_vsid; | |
54 | u64 guest_esid; | |
55 | u64 host_vsid; | |
3ed9c6d2 | 56 | bool valid : 1; |
4e342025 AG |
57 | }; |
58 | ||
59 | #define SID_MAP_BITS 9 | |
60 | #define SID_MAP_NUM (1 << SID_MAP_BITS) | |
61 | #define SID_MAP_MASK (SID_MAP_NUM - 1) | |
62 | ||
8b6db3bc AG |
63 | #ifdef CONFIG_PPC_BOOK3S_64 |
64 | #define SID_CONTEXTS 1 | |
65 | #else | |
66 | #define SID_CONTEXTS 128 | |
67 | #define VSID_POOL_SIZE (SID_CONTEXTS * 16) | |
68 | #endif | |
69 | ||
4e342025 AG |
70 | struct kvmppc_vcpu_book3s { |
71 | struct kvm_vcpu vcpu; | |
c7f38f46 | 72 | struct kvmppc_book3s_shadow_vcpu *shadow_vcpu; |
4e342025 AG |
73 | struct kvmppc_sid_map sid_map[SID_MAP_NUM]; |
74 | struct kvmppc_slb slb[64]; | |
75 | struct { | |
76 | u64 esid; | |
77 | u64 vsid; | |
78 | } slb_shadow[64]; | |
79 | u8 slb_shadow_max; | |
4e342025 AG |
80 | struct kvmppc_bat ibat[8]; |
81 | struct kvmppc_bat dbat[8]; | |
82 | u64 hid[6]; | |
d6d549b2 | 83 | u64 gqr[8]; |
4e342025 AG |
84 | int slb_nr; |
85 | u64 sdr1; | |
4e342025 AG |
86 | u64 hior; |
87 | u64 msr_mask; | |
4e342025 | 88 | u64 vsid_next; |
8b6db3bc AG |
89 | #ifdef CONFIG_PPC_BOOK3S_32 |
90 | u32 vsid_pool[VSID_POOL_SIZE]; | |
91 | #else | |
92 | u64 vsid_first; | |
4e342025 | 93 | u64 vsid_max; |
8b6db3bc AG |
94 | #endif |
95 | int context_id[SID_CONTEXTS]; | |
25a8a02d | 96 | ulong prog_flags; /* flags to inject when giving a 700 trap */ |
4e342025 AG |
97 | }; |
98 | ||
99 | #define CONTEXT_HOST 0 | |
100 | #define CONTEXT_GUEST 1 | |
101 | #define CONTEXT_GUEST_END 2 | |
102 | ||
f7bc74e1 AG |
103 | #define VSID_REAL 0x1fffffffffc00000ULL |
104 | #define VSID_BAT 0x1fffffffffb00000ULL | |
105 | #define VSID_REAL_DR 0x2000000000000000ULL | |
106 | #define VSID_REAL_IR 0x4000000000000000ULL | |
5a1b419f | 107 | #define VSID_PR 0x8000000000000000ULL |
4e342025 | 108 | |
af7b4d10 | 109 | extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, ulong ea, ulong ea_mask); |
4e342025 | 110 | extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask); |
af7b4d10 | 111 | extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, ulong pa_start, ulong pa_end); |
4e342025 AG |
112 | extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr); |
113 | extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu); | |
114 | extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu); | |
115 | extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte); | |
116 | extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr); | |
117 | extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu); | |
fef093be AG |
118 | |
119 | extern void kvmppc_mmu_hpte_cache_map(struct kvm_vcpu *vcpu, struct hpte_cache *pte); | |
120 | extern struct hpte_cache *kvmppc_mmu_hpte_cache_next(struct kvm_vcpu *vcpu); | |
121 | extern void kvmppc_mmu_hpte_destroy(struct kvm_vcpu *vcpu); | |
122 | extern int kvmppc_mmu_hpte_init(struct kvm_vcpu *vcpu); | |
123 | extern void kvmppc_mmu_invalidate_pte(struct kvm_vcpu *vcpu, struct hpte_cache *pte); | |
124 | extern int kvmppc_mmu_hpte_sysinit(void); | |
125 | extern void kvmppc_mmu_hpte_sysexit(void); | |
126 | ||
5467a97d AG |
127 | extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data); |
128 | extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data); | |
4e342025 | 129 | extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec); |
e15a1137 AG |
130 | extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat, |
131 | bool upper, u32 val); | |
aba3bd7f | 132 | extern void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr); |
831317b6 | 133 | extern int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu); |
e8508940 | 134 | extern pfn_t kvmppc_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn); |
4e342025 | 135 | |
2b05d71f AG |
136 | extern ulong kvmppc_trampoline_lowmem; |
137 | extern ulong kvmppc_trampoline_enter; | |
021ec9c6 | 138 | extern void kvmppc_rmcall(ulong srr0, ulong srr1); |
d5e52813 AG |
139 | extern void kvmppc_load_up_fpu(void); |
140 | extern void kvmppc_load_up_altivec(void); | |
141 | extern void kvmppc_load_up_vsx(void); | |
ca7f4203 AG |
142 | extern u32 kvmppc_alignment_dsisr(struct kvm_vcpu *vcpu, unsigned int inst); |
143 | extern ulong kvmppc_alignment_dar(struct kvm_vcpu *vcpu, unsigned int inst); | |
4e342025 AG |
144 | |
145 | static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu) | |
146 | { | |
147 | return container_of(vcpu, struct kvmppc_vcpu_book3s, vcpu); | |
148 | } | |
149 | ||
150 | static inline ulong dsisr(void) | |
151 | { | |
152 | ulong r; | |
153 | asm ( "mfdsisr %0 " : "=r" (r) ); | |
154 | return r; | |
155 | } | |
156 | ||
157 | extern void kvm_return_point(void); | |
c7f38f46 AG |
158 | static inline struct kvmppc_book3s_shadow_vcpu *to_svcpu(struct kvm_vcpu *vcpu); |
159 | ||
160 | static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val) | |
161 | { | |
162 | if ( num < 14 ) { | |
163 | to_svcpu(vcpu)->gpr[num] = val; | |
164 | to_book3s(vcpu)->shadow_vcpu->gpr[num] = val; | |
165 | } else | |
166 | vcpu->arch.gpr[num] = val; | |
167 | } | |
168 | ||
169 | static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num) | |
170 | { | |
171 | if ( num < 14 ) | |
172 | return to_svcpu(vcpu)->gpr[num]; | |
173 | else | |
174 | return vcpu->arch.gpr[num]; | |
175 | } | |
176 | ||
177 | static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val) | |
178 | { | |
179 | to_svcpu(vcpu)->cr = val; | |
180 | to_book3s(vcpu)->shadow_vcpu->cr = val; | |
181 | } | |
182 | ||
183 | static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu) | |
184 | { | |
185 | return to_svcpu(vcpu)->cr; | |
186 | } | |
187 | ||
188 | static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val) | |
189 | { | |
190 | to_svcpu(vcpu)->xer = val; | |
191 | to_book3s(vcpu)->shadow_vcpu->xer = val; | |
192 | } | |
193 | ||
194 | static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu) | |
195 | { | |
196 | return to_svcpu(vcpu)->xer; | |
197 | } | |
198 | ||
199 | static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val) | |
200 | { | |
201 | to_svcpu(vcpu)->ctr = val; | |
202 | } | |
203 | ||
204 | static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu) | |
205 | { | |
206 | return to_svcpu(vcpu)->ctr; | |
207 | } | |
208 | ||
209 | static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val) | |
210 | { | |
211 | to_svcpu(vcpu)->lr = val; | |
212 | } | |
213 | ||
214 | static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu) | |
215 | { | |
216 | return to_svcpu(vcpu)->lr; | |
217 | } | |
218 | ||
219 | static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val) | |
220 | { | |
221 | to_svcpu(vcpu)->pc = val; | |
222 | } | |
223 | ||
224 | static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu) | |
225 | { | |
226 | return to_svcpu(vcpu)->pc; | |
227 | } | |
228 | ||
229 | static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu) | |
230 | { | |
231 | ulong pc = kvmppc_get_pc(vcpu); | |
232 | struct kvmppc_book3s_shadow_vcpu *svcpu = to_svcpu(vcpu); | |
233 | ||
234 | /* Load the instruction manually if it failed to do so in the | |
235 | * exit path */ | |
236 | if (svcpu->last_inst == KVM_INST_FETCH_FAILED) | |
237 | kvmppc_ld(vcpu, &pc, sizeof(u32), &svcpu->last_inst, false); | |
238 | ||
239 | return svcpu->last_inst; | |
240 | } | |
241 | ||
242 | static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu) | |
243 | { | |
244 | return to_svcpu(vcpu)->fault_dar; | |
245 | } | |
4e342025 | 246 | |
ad0a048b AG |
247 | /* Magic register values loaded into r3 and r4 before the 'sc' assembly |
248 | * instruction for the OSI hypercalls */ | |
249 | #define OSI_SC_MAGIC_R3 0x113724FA | |
250 | #define OSI_SC_MAGIC_R4 0x77810F9B | |
251 | ||
4e342025 AG |
252 | #define INS_DCBZ 0x7c0007ec |
253 | ||
c7f38f46 AG |
254 | /* Also add subarch specific defines */ |
255 | ||
256 | #ifdef CONFIG_PPC_BOOK3S_32 | |
257 | #include <asm/kvm_book3s_32.h> | |
258 | #else | |
259 | #include <asm/kvm_book3s_64.h> | |
260 | #endif | |
261 | ||
4e342025 | 262 | #endif /* __ASM_KVM_BOOK3S_H__ */ |