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.
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.
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.
15 * Copyright SUSE Linux Products GmbH 2009
17 * Authors: Alexander Graf <agraf@suse.de>
20 #ifndef __ASM_KVM_BOOK3S_H__
21 #define __ASM_KVM_BOOK3S_H__
23 #include <linux/types.h>
24 #include <linux/kvm_host.h>
25 #include <asm/kvm_book3s_asm.h>
38 struct kvmppc_sid_map
{
45 #define SID_MAP_BITS 9
46 #define SID_MAP_NUM (1 << SID_MAP_BITS)
47 #define SID_MAP_MASK (SID_MAP_NUM - 1)
49 #ifdef CONFIG_PPC_BOOK3S_64
50 #define SID_CONTEXTS 1
52 #define SID_CONTEXTS 128
53 #define VSID_POOL_SIZE (SID_CONTEXTS * 16)
57 struct hlist_node list_pte
;
58 struct hlist_node list_pte_long
;
59 struct hlist_node list_vpte
;
60 struct hlist_node list_vpte_long
;
61 struct rcu_head rcu_head
;
65 struct kvmppc_pte pte
;
68 struct kvmppc_vcpu_book3s
{
70 struct kvmppc_book3s_shadow_vcpu
*shadow_vcpu
;
71 struct kvmppc_sid_map sid_map
[SID_MAP_NUM
];
77 struct kvmppc_bat ibat
[8];
78 struct kvmppc_bat dbat
[8];
85 #ifdef CONFIG_PPC_BOOK3S_32
86 u32 vsid_pool
[VSID_POOL_SIZE
];
91 int context_id
[SID_CONTEXTS
];
93 struct hlist_head hpte_hash_pte
[HPTEG_HASH_NUM_PTE
];
94 struct hlist_head hpte_hash_pte_long
[HPTEG_HASH_NUM_PTE_LONG
];
95 struct hlist_head hpte_hash_vpte
[HPTEG_HASH_NUM_VPTE
];
96 struct hlist_head hpte_hash_vpte_long
[HPTEG_HASH_NUM_VPTE_LONG
];
101 #define CONTEXT_HOST 0
102 #define CONTEXT_GUEST 1
103 #define CONTEXT_GUEST_END 2
105 #define VSID_REAL 0x1fffffffffc00000ULL
106 #define VSID_BAT 0x1fffffffffb00000ULL
107 #define VSID_REAL_DR 0x2000000000000000ULL
108 #define VSID_REAL_IR 0x4000000000000000ULL
109 #define VSID_PR 0x8000000000000000ULL
111 extern void kvmppc_mmu_pte_flush(struct kvm_vcpu
*vcpu
, ulong ea
, ulong ea_mask
);
112 extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu
*vcpu
, u64 vp
, u64 vp_mask
);
113 extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu
*vcpu
, ulong pa_start
, ulong pa_end
);
114 extern void kvmppc_set_msr(struct kvm_vcpu
*vcpu
, u64 new_msr
);
115 extern void kvmppc_set_pvr(struct kvm_vcpu
*vcpu
, u32 pvr
);
116 extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu
*vcpu
);
117 extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu
*vcpu
);
118 extern void kvmppc_mmu_book3s_hv_init(struct kvm_vcpu
*vcpu
);
119 extern int kvmppc_mmu_map_page(struct kvm_vcpu
*vcpu
, struct kvmppc_pte
*pte
);
120 extern int kvmppc_mmu_map_segment(struct kvm_vcpu
*vcpu
, ulong eaddr
);
121 extern void kvmppc_mmu_flush_segments(struct kvm_vcpu
*vcpu
);
123 extern void kvmppc_mmu_hpte_cache_map(struct kvm_vcpu
*vcpu
, struct hpte_cache
*pte
);
124 extern struct hpte_cache
*kvmppc_mmu_hpte_cache_next(struct kvm_vcpu
*vcpu
);
125 extern void kvmppc_mmu_hpte_destroy(struct kvm_vcpu
*vcpu
);
126 extern int kvmppc_mmu_hpte_init(struct kvm_vcpu
*vcpu
);
127 extern void kvmppc_mmu_invalidate_pte(struct kvm_vcpu
*vcpu
, struct hpte_cache
*pte
);
128 extern int kvmppc_mmu_hpte_sysinit(void);
129 extern void kvmppc_mmu_hpte_sysexit(void);
130 extern int kvmppc_mmu_hv_init(void);
132 extern int kvmppc_ld(struct kvm_vcpu
*vcpu
, ulong
*eaddr
, int size
, void *ptr
, bool data
);
133 extern int kvmppc_st(struct kvm_vcpu
*vcpu
, ulong
*eaddr
, int size
, void *ptr
, bool data
);
134 extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu
*vcpu
, unsigned int vec
);
135 extern void kvmppc_inject_interrupt(struct kvm_vcpu
*vcpu
, int vec
, u64 flags
);
136 extern void kvmppc_set_bat(struct kvm_vcpu
*vcpu
, struct kvmppc_bat
*bat
,
137 bool upper
, u32 val
);
138 extern void kvmppc_giveup_ext(struct kvm_vcpu
*vcpu
, ulong msr
);
139 extern int kvmppc_emulate_paired_single(struct kvm_run
*run
, struct kvm_vcpu
*vcpu
);
140 extern pfn_t
kvmppc_gfn_to_pfn(struct kvm_vcpu
*vcpu
, gfn_t gfn
);
141 extern void *kvmppc_pin_guest_page(struct kvm
*kvm
, unsigned long addr
,
142 unsigned long *nb_ret
);
143 extern void kvmppc_unpin_guest_page(struct kvm
*kvm
, void *addr
);
145 extern void kvmppc_entry_trampoline(void);
146 extern void kvmppc_hv_entry_trampoline(void);
147 extern void kvmppc_load_up_fpu(void);
148 extern void kvmppc_load_up_altivec(void);
149 extern void kvmppc_load_up_vsx(void);
150 extern u32
kvmppc_alignment_dsisr(struct kvm_vcpu
*vcpu
, unsigned int inst
);
151 extern ulong
kvmppc_alignment_dar(struct kvm_vcpu
*vcpu
, unsigned int inst
);
152 extern int kvmppc_h_pr(struct kvm_vcpu
*vcpu
, unsigned long cmd
);
154 static inline struct kvmppc_vcpu_book3s
*to_book3s(struct kvm_vcpu
*vcpu
)
156 return container_of(vcpu
, struct kvmppc_vcpu_book3s
, vcpu
);
159 extern void kvm_return_point(void);
161 /* Also add subarch specific defines */
163 #ifdef CONFIG_KVM_BOOK3S_32_HANDLER
164 #include <asm/kvm_book3s_32.h>
166 #ifdef CONFIG_KVM_BOOK3S_64_HANDLER
167 #include <asm/kvm_book3s_64.h>
170 #ifdef CONFIG_KVM_BOOK3S_PR
172 static inline unsigned long kvmppc_interrupt_offset(struct kvm_vcpu
*vcpu
)
174 return to_book3s(vcpu
)->hior
;
177 static inline void kvmppc_update_int_pending(struct kvm_vcpu
*vcpu
,
178 unsigned long pending_now
, unsigned long old_pending
)
181 vcpu
->arch
.shared
->int_pending
= 1;
182 else if (old_pending
)
183 vcpu
->arch
.shared
->int_pending
= 0;
186 static inline void kvmppc_set_gpr(struct kvm_vcpu
*vcpu
, int num
, ulong val
)
189 struct kvmppc_book3s_shadow_vcpu
*svcpu
= svcpu_get(vcpu
);
190 svcpu
->gpr
[num
] = val
;
192 to_book3s(vcpu
)->shadow_vcpu
->gpr
[num
] = val
;
194 vcpu
->arch
.gpr
[num
] = val
;
197 static inline ulong
kvmppc_get_gpr(struct kvm_vcpu
*vcpu
, int num
)
200 struct kvmppc_book3s_shadow_vcpu
*svcpu
= svcpu_get(vcpu
);
201 ulong r
= svcpu
->gpr
[num
];
205 return vcpu
->arch
.gpr
[num
];
208 static inline void kvmppc_set_cr(struct kvm_vcpu
*vcpu
, u32 val
)
210 struct kvmppc_book3s_shadow_vcpu
*svcpu
= svcpu_get(vcpu
);
213 to_book3s(vcpu
)->shadow_vcpu
->cr
= val
;
216 static inline u32
kvmppc_get_cr(struct kvm_vcpu
*vcpu
)
218 struct kvmppc_book3s_shadow_vcpu
*svcpu
= svcpu_get(vcpu
);
225 static inline void kvmppc_set_xer(struct kvm_vcpu
*vcpu
, u32 val
)
227 struct kvmppc_book3s_shadow_vcpu
*svcpu
= svcpu_get(vcpu
);
229 to_book3s(vcpu
)->shadow_vcpu
->xer
= val
;
233 static inline u32
kvmppc_get_xer(struct kvm_vcpu
*vcpu
)
235 struct kvmppc_book3s_shadow_vcpu
*svcpu
= svcpu_get(vcpu
);
242 static inline void kvmppc_set_ctr(struct kvm_vcpu
*vcpu
, ulong val
)
244 struct kvmppc_book3s_shadow_vcpu
*svcpu
= svcpu_get(vcpu
);
249 static inline ulong
kvmppc_get_ctr(struct kvm_vcpu
*vcpu
)
251 struct kvmppc_book3s_shadow_vcpu
*svcpu
= svcpu_get(vcpu
);
258 static inline void kvmppc_set_lr(struct kvm_vcpu
*vcpu
, ulong val
)
260 struct kvmppc_book3s_shadow_vcpu
*svcpu
= svcpu_get(vcpu
);
265 static inline ulong
kvmppc_get_lr(struct kvm_vcpu
*vcpu
)
267 struct kvmppc_book3s_shadow_vcpu
*svcpu
= svcpu_get(vcpu
);
274 static inline void kvmppc_set_pc(struct kvm_vcpu
*vcpu
, ulong val
)
276 struct kvmppc_book3s_shadow_vcpu
*svcpu
= svcpu_get(vcpu
);
281 static inline ulong
kvmppc_get_pc(struct kvm_vcpu
*vcpu
)
283 struct kvmppc_book3s_shadow_vcpu
*svcpu
= svcpu_get(vcpu
);
290 static inline u32
kvmppc_get_last_inst(struct kvm_vcpu
*vcpu
)
292 ulong pc
= kvmppc_get_pc(vcpu
);
293 struct kvmppc_book3s_shadow_vcpu
*svcpu
= svcpu_get(vcpu
);
296 /* Load the instruction manually if it failed to do so in the
298 if (svcpu
->last_inst
== KVM_INST_FETCH_FAILED
)
299 kvmppc_ld(vcpu
, &pc
, sizeof(u32
), &svcpu
->last_inst
, false);
301 r
= svcpu
->last_inst
;
306 static inline ulong
kvmppc_get_fault_dar(struct kvm_vcpu
*vcpu
)
308 struct kvmppc_book3s_shadow_vcpu
*svcpu
= svcpu_get(vcpu
);
310 r
= svcpu
->fault_dar
;
315 static inline bool kvmppc_critical_section(struct kvm_vcpu
*vcpu
)
317 ulong crit_raw
= vcpu
->arch
.shared
->critical
;
318 ulong crit_r1
= kvmppc_get_gpr(vcpu
, 1);
321 /* Truncate crit indicators in 32 bit mode */
322 if (!(vcpu
->arch
.shared
->msr
& MSR_SF
)) {
323 crit_raw
&= 0xffffffff;
324 crit_r1
&= 0xffffffff;
327 /* Critical section when crit == r1 */
328 crit
= (crit_raw
== crit_r1
);
329 /* ... and we're in supervisor mode */
330 crit
= crit
&& !(vcpu
->arch
.shared
->msr
& MSR_PR
);
334 #else /* CONFIG_KVM_BOOK3S_PR */
336 static inline unsigned long kvmppc_interrupt_offset(struct kvm_vcpu
*vcpu
)
341 static inline void kvmppc_update_int_pending(struct kvm_vcpu
*vcpu
,
342 unsigned long pending_now
, unsigned long old_pending
)
346 static inline void kvmppc_set_gpr(struct kvm_vcpu
*vcpu
, int num
, ulong val
)
348 vcpu
->arch
.gpr
[num
] = val
;
351 static inline ulong
kvmppc_get_gpr(struct kvm_vcpu
*vcpu
, int num
)
353 return vcpu
->arch
.gpr
[num
];
356 static inline void kvmppc_set_cr(struct kvm_vcpu
*vcpu
, u32 val
)
361 static inline u32
kvmppc_get_cr(struct kvm_vcpu
*vcpu
)
363 return vcpu
->arch
.cr
;
366 static inline void kvmppc_set_xer(struct kvm_vcpu
*vcpu
, u32 val
)
368 vcpu
->arch
.xer
= val
;
371 static inline u32
kvmppc_get_xer(struct kvm_vcpu
*vcpu
)
373 return vcpu
->arch
.xer
;
376 static inline void kvmppc_set_ctr(struct kvm_vcpu
*vcpu
, ulong val
)
378 vcpu
->arch
.ctr
= val
;
381 static inline ulong
kvmppc_get_ctr(struct kvm_vcpu
*vcpu
)
383 return vcpu
->arch
.ctr
;
386 static inline void kvmppc_set_lr(struct kvm_vcpu
*vcpu
, ulong val
)
391 static inline ulong
kvmppc_get_lr(struct kvm_vcpu
*vcpu
)
393 return vcpu
->arch
.lr
;
396 static inline void kvmppc_set_pc(struct kvm_vcpu
*vcpu
, ulong val
)
401 static inline ulong
kvmppc_get_pc(struct kvm_vcpu
*vcpu
)
403 return vcpu
->arch
.pc
;
406 static inline u32
kvmppc_get_last_inst(struct kvm_vcpu
*vcpu
)
408 ulong pc
= kvmppc_get_pc(vcpu
);
410 /* Load the instruction manually if it failed to do so in the
412 if (vcpu
->arch
.last_inst
== KVM_INST_FETCH_FAILED
)
413 kvmppc_ld(vcpu
, &pc
, sizeof(u32
), &vcpu
->arch
.last_inst
, false);
415 return vcpu
->arch
.last_inst
;
418 static inline ulong
kvmppc_get_fault_dar(struct kvm_vcpu
*vcpu
)
420 return vcpu
->arch
.fault_dar
;
423 static inline bool kvmppc_critical_section(struct kvm_vcpu
*vcpu
)
429 /* Magic register values loaded into r3 and r4 before the 'sc' assembly
430 * instruction for the OSI hypercalls */
431 #define OSI_SC_MAGIC_R3 0x113724FA
432 #define OSI_SC_MAGIC_R4 0x77810F9B
434 #define INS_DCBZ 0x7c0007ec
436 #endif /* __ASM_KVM_BOOK3S_H__ */