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 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
187 svcpu->gpr[num] = val;
189 to_book3s(vcpu)->shadow_vcpu->gpr[num] = val;
191 vcpu->arch.gpr[num] = val;
194 static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
197 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
198 ulong r = svcpu->gpr[num];
202 return vcpu->arch.gpr[num];
205 static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
207 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
210 to_book3s(vcpu)->shadow_vcpu->cr = val;
213 static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
215 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
222 static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
224 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
226 to_book3s(vcpu)->shadow_vcpu->xer = val;
230 static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
232 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
239 static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val)
241 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
246 static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu)
248 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
255 static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val)
257 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
262 static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu)
264 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
271 static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val)
273 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
278 static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu)
280 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
287 static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu)
289 ulong pc = kvmppc_get_pc(vcpu);
290 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
293 /* Load the instruction manually if it failed to do so in the
295 if (svcpu->last_inst == KVM_INST_FETCH_FAILED)
296 kvmppc_ld(vcpu, &pc, sizeof(u32), &svcpu->last_inst, false);
298 r = svcpu->last_inst;
303 static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
305 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
307 r = svcpu->fault_dar;
312 static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu)
314 ulong crit_raw = vcpu->arch.shared->critical;
315 ulong crit_r1 = kvmppc_get_gpr(vcpu, 1);
318 /* Truncate crit indicators in 32 bit mode */
319 if (!(vcpu->arch.shared->msr & MSR_SF)) {
320 crit_raw &= 0xffffffff;
321 crit_r1 &= 0xffffffff;
324 /* Critical section when crit == r1 */
325 crit = (crit_raw == crit_r1);
326 /* ... and we're in supervisor mode */
327 crit = crit && !(vcpu->arch.shared->msr & MSR_PR);
331 #else /* CONFIG_KVM_BOOK3S_PR */
333 static inline unsigned long kvmppc_interrupt_offset(struct kvm_vcpu *vcpu)
338 static inline void kvmppc_update_int_pending(struct kvm_vcpu *vcpu,
339 unsigned long pending_now, unsigned long old_pending)
343 static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
345 vcpu->arch.gpr[num] = val;
348 static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
350 return vcpu->arch.gpr[num];
353 static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
358 static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
360 return vcpu->arch.cr;
363 static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
365 vcpu->arch.xer = val;
368 static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
370 return vcpu->arch.xer;
373 static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val)
375 vcpu->arch.ctr = val;
378 static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu)
380 return vcpu->arch.ctr;
383 static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val)
388 static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu)
390 return vcpu->arch.lr;
393 static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val)
398 static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu)
400 return vcpu->arch.pc;
403 static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu)
405 ulong pc = kvmppc_get_pc(vcpu);
407 /* Load the instruction manually if it failed to do so in the
409 if (vcpu->arch.last_inst == KVM_INST_FETCH_FAILED)
410 kvmppc_ld(vcpu, &pc, sizeof(u32), &vcpu->arch.last_inst, false);
412 return vcpu->arch.last_inst;
415 static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
417 return vcpu->arch.fault_dar;
420 static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu)
426 /* Magic register values loaded into r3 and r4 before the 'sc' assembly
427 * instruction for the OSI hypercalls */
428 #define OSI_SC_MAGIC_R3 0x113724FA
429 #define OSI_SC_MAGIC_R4 0x77810F9B
431 #define INS_DCBZ 0x7c0007ec
433 #endif /* __ASM_KVM_BOOK3S_H__ */