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);
142
extern void kvmppc_entry_trampoline(void);
143
extern void kvmppc_hv_entry_trampoline(void);
144
extern void kvmppc_load_up_fpu(void);
145
extern void kvmppc_load_up_altivec(void);
146
extern void kvmppc_load_up_vsx(void);
147
extern u32 kvmppc_alignment_dsisr(struct kvm_vcpu *vcpu, unsigned int inst);
148
extern ulong kvmppc_alignment_dar(struct kvm_vcpu *vcpu, unsigned int inst);
149
extern int kvmppc_h_pr(struct kvm_vcpu *vcpu, unsigned long cmd);
151
static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu)
153
return container_of(vcpu, struct kvmppc_vcpu_book3s, vcpu);
156
extern void kvm_return_point(void);
158
/* Also add subarch specific defines */
160
#ifdef CONFIG_KVM_BOOK3S_32_HANDLER
161
#include <asm/kvm_book3s_32.h>
163
#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
164
#include <asm/kvm_book3s_64.h>
167
#ifdef CONFIG_KVM_BOOK3S_PR
169
static inline unsigned long kvmppc_interrupt_offset(struct kvm_vcpu *vcpu)
171
return to_book3s(vcpu)->hior;
174
static inline void kvmppc_update_int_pending(struct kvm_vcpu *vcpu,
175
unsigned long pending_now, unsigned long old_pending)
178
vcpu->arch.shared->int_pending = 1;
179
else if (old_pending)
180
vcpu->arch.shared->int_pending = 0;
183
static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
186
to_svcpu(vcpu)->gpr[num] = val;
187
to_book3s(vcpu)->shadow_vcpu->gpr[num] = val;
189
vcpu->arch.gpr[num] = val;
192
static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
195
return to_svcpu(vcpu)->gpr[num];
197
return vcpu->arch.gpr[num];
200
static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
202
to_svcpu(vcpu)->cr = val;
203
to_book3s(vcpu)->shadow_vcpu->cr = val;
206
static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
208
return to_svcpu(vcpu)->cr;
211
static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
213
to_svcpu(vcpu)->xer = val;
214
to_book3s(vcpu)->shadow_vcpu->xer = val;
217
static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
219
return to_svcpu(vcpu)->xer;
222
static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val)
224
to_svcpu(vcpu)->ctr = val;
227
static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu)
229
return to_svcpu(vcpu)->ctr;
232
static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val)
234
to_svcpu(vcpu)->lr = val;
237
static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu)
239
return to_svcpu(vcpu)->lr;
242
static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val)
244
to_svcpu(vcpu)->pc = val;
247
static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu)
249
return to_svcpu(vcpu)->pc;
252
static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu)
254
ulong pc = kvmppc_get_pc(vcpu);
255
struct kvmppc_book3s_shadow_vcpu *svcpu = to_svcpu(vcpu);
257
/* Load the instruction manually if it failed to do so in the
259
if (svcpu->last_inst == KVM_INST_FETCH_FAILED)
260
kvmppc_ld(vcpu, &pc, sizeof(u32), &svcpu->last_inst, false);
262
return svcpu->last_inst;
265
static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
267
return to_svcpu(vcpu)->fault_dar;
270
static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu)
272
ulong crit_raw = vcpu->arch.shared->critical;
273
ulong crit_r1 = kvmppc_get_gpr(vcpu, 1);
276
/* Truncate crit indicators in 32 bit mode */
277
if (!(vcpu->arch.shared->msr & MSR_SF)) {
278
crit_raw &= 0xffffffff;
279
crit_r1 &= 0xffffffff;
282
/* Critical section when crit == r1 */
283
crit = (crit_raw == crit_r1);
284
/* ... and we're in supervisor mode */
285
crit = crit && !(vcpu->arch.shared->msr & MSR_PR);
289
#else /* CONFIG_KVM_BOOK3S_PR */
291
static inline unsigned long kvmppc_interrupt_offset(struct kvm_vcpu *vcpu)
296
static inline void kvmppc_update_int_pending(struct kvm_vcpu *vcpu,
297
unsigned long pending_now, unsigned long old_pending)
301
static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
303
vcpu->arch.gpr[num] = val;
306
static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
308
return vcpu->arch.gpr[num];
311
static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
316
static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
318
return vcpu->arch.cr;
321
static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
323
vcpu->arch.xer = val;
326
static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
328
return vcpu->arch.xer;
331
static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val)
333
vcpu->arch.ctr = val;
336
static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu)
338
return vcpu->arch.ctr;
341
static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val)
346
static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu)
348
return vcpu->arch.lr;
351
static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val)
356
static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu)
358
return vcpu->arch.pc;
361
static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu)
363
ulong pc = kvmppc_get_pc(vcpu);
365
/* Load the instruction manually if it failed to do so in the
367
if (vcpu->arch.last_inst == KVM_INST_FETCH_FAILED)
368
kvmppc_ld(vcpu, &pc, sizeof(u32), &vcpu->arch.last_inst, false);
370
return vcpu->arch.last_inst;
373
static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
375
return vcpu->arch.fault_dar;
378
static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu)
384
/* Magic register values loaded into r3 and r4 before the 'sc' assembly
385
* instruction for the OSI hypercalls */
386
#define OSI_SC_MAGIC_R3 0x113724FA
387
#define OSI_SC_MAGIC_R4 0x77810F9B
389
#define INS_DCBZ 0x7c0007ec
391
#endif /* __ASM_KVM_BOOK3S_H__ */