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];
86 #ifdef CONFIG_PPC_BOOK3S_32
87 u32 vsid_pool[VSID_POOL_SIZE];
94 int context_id[SID_CONTEXTS];
96 bool hior_explicit; /* HIOR is set by ioctl, not PVR */
98 struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE];
99 struct hlist_head hpte_hash_pte_long[HPTEG_HASH_NUM_PTE_LONG];
100 struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE];
101 struct hlist_head hpte_hash_vpte_long[HPTEG_HASH_NUM_VPTE_LONG];
102 int hpte_cache_count;
106 #define CONTEXT_HOST 0
107 #define CONTEXT_GUEST 1
108 #define CONTEXT_GUEST_END 2
110 #define VSID_REAL 0x1fffffffffc00000ULL
111 #define VSID_BAT 0x1fffffffffb00000ULL
112 #define VSID_REAL_DR 0x2000000000000000ULL
113 #define VSID_REAL_IR 0x4000000000000000ULL
114 #define VSID_PR 0x8000000000000000ULL
116 extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, ulong ea, ulong ea_mask);
117 extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask);
118 extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, ulong pa_start, ulong pa_end);
119 extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr);
120 extern void kvmppc_set_pvr(struct kvm_vcpu *vcpu, u32 pvr);
121 extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu);
122 extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu);
123 extern void kvmppc_mmu_book3s_hv_init(struct kvm_vcpu *vcpu);
124 extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte);
125 extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr);
126 extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu);
127 extern int kvmppc_book3s_hv_page_fault(struct kvm_run *run,
128 struct kvm_vcpu *vcpu, unsigned long addr,
129 unsigned long status);
130 extern long kvmppc_hv_find_lock_hpte(struct kvm *kvm, gva_t eaddr,
131 unsigned long slb_v, unsigned long valid);
133 extern void kvmppc_mmu_hpte_cache_map(struct kvm_vcpu *vcpu, struct hpte_cache *pte);
134 extern struct hpte_cache *kvmppc_mmu_hpte_cache_next(struct kvm_vcpu *vcpu);
135 extern void kvmppc_mmu_hpte_destroy(struct kvm_vcpu *vcpu);
136 extern int kvmppc_mmu_hpte_init(struct kvm_vcpu *vcpu);
137 extern void kvmppc_mmu_invalidate_pte(struct kvm_vcpu *vcpu, struct hpte_cache *pte);
138 extern int kvmppc_mmu_hpte_sysinit(void);
139 extern void kvmppc_mmu_hpte_sysexit(void);
140 extern int kvmppc_mmu_hv_init(void);
142 extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data);
143 extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data);
144 extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec);
145 extern void kvmppc_inject_interrupt(struct kvm_vcpu *vcpu, int vec, u64 flags);
146 extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat,
147 bool upper, u32 val);
148 extern void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr);
149 extern int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu);
150 extern pfn_t kvmppc_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn);
151 extern void kvmppc_add_revmap_chain(struct kvm *kvm, struct revmap_entry *rev,
152 unsigned long *rmap, long pte_index, int realmode);
153 extern void kvmppc_invalidate_hpte(struct kvm *kvm, unsigned long *hptep,
154 unsigned long pte_index);
155 void kvmppc_clear_ref_hpte(struct kvm *kvm, unsigned long *hptep,
156 unsigned long pte_index);
157 extern void *kvmppc_pin_guest_page(struct kvm *kvm, unsigned long addr,
158 unsigned long *nb_ret);
159 extern void kvmppc_unpin_guest_page(struct kvm *kvm, void *addr);
160 extern long kvmppc_virtmode_h_enter(struct kvm_vcpu *vcpu, unsigned long flags,
161 long pte_index, unsigned long pteh, unsigned long ptel);
162 extern long kvmppc_do_h_enter(struct kvm *kvm, unsigned long flags,
163 long pte_index, unsigned long pteh, unsigned long ptel,
164 pgd_t *pgdir, bool realmode, unsigned long *idx_ret);
165 extern long kvmppc_do_h_remove(struct kvm *kvm, unsigned long flags,
166 unsigned long pte_index, unsigned long avpn,
167 unsigned long *hpret);
168 extern long kvmppc_hv_get_dirty_log(struct kvm *kvm,
169 struct kvm_memory_slot *memslot, unsigned long *map);
171 extern void kvmppc_entry_trampoline(void);
172 extern void kvmppc_hv_entry_trampoline(void);
173 extern void kvmppc_load_up_fpu(void);
174 extern void kvmppc_load_up_altivec(void);
175 extern void kvmppc_load_up_vsx(void);
176 extern u32 kvmppc_alignment_dsisr(struct kvm_vcpu *vcpu, unsigned int inst);
177 extern ulong kvmppc_alignment_dar(struct kvm_vcpu *vcpu, unsigned int inst);
178 extern int kvmppc_h_pr(struct kvm_vcpu *vcpu, unsigned long cmd);
180 static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu)
182 return container_of(vcpu, struct kvmppc_vcpu_book3s, vcpu);
185 extern void kvm_return_point(void);
187 /* Also add subarch specific defines */
189 #ifdef CONFIG_KVM_BOOK3S_32_HANDLER
190 #include <asm/kvm_book3s_32.h>
192 #ifdef CONFIG_KVM_BOOK3S_64_HANDLER
193 #include <asm/kvm_book3s_64.h>
196 #ifdef CONFIG_KVM_BOOK3S_PR
198 static inline unsigned long kvmppc_interrupt_offset(struct kvm_vcpu *vcpu)
200 return to_book3s(vcpu)->hior;
203 static inline void kvmppc_update_int_pending(struct kvm_vcpu *vcpu,
204 unsigned long pending_now, unsigned long old_pending)
207 vcpu->arch.shared->int_pending = 1;
208 else if (old_pending)
209 vcpu->arch.shared->int_pending = 0;
212 static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
215 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
216 svcpu->gpr[num] = val;
218 to_book3s(vcpu)->shadow_vcpu->gpr[num] = val;
220 vcpu->arch.gpr[num] = val;
223 static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
226 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
227 ulong r = svcpu->gpr[num];
231 return vcpu->arch.gpr[num];
234 static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
236 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
239 to_book3s(vcpu)->shadow_vcpu->cr = val;
242 static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
244 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
251 static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
253 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
255 to_book3s(vcpu)->shadow_vcpu->xer = val;
259 static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
261 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
268 static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val)
270 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
275 static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu)
277 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
284 static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val)
286 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
291 static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu)
293 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
300 static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val)
302 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
307 static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu)
309 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
316 static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu)
318 ulong pc = kvmppc_get_pc(vcpu);
319 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
322 /* Load the instruction manually if it failed to do so in the
324 if (svcpu->last_inst == KVM_INST_FETCH_FAILED)
325 kvmppc_ld(vcpu, &pc, sizeof(u32), &svcpu->last_inst, false);
327 r = svcpu->last_inst;
332 static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
334 struct kvmppc_book3s_shadow_vcpu *svcpu = svcpu_get(vcpu);
336 r = svcpu->fault_dar;
341 static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu)
343 ulong crit_raw = vcpu->arch.shared->critical;
344 ulong crit_r1 = kvmppc_get_gpr(vcpu, 1);
347 /* Truncate crit indicators in 32 bit mode */
348 if (!(vcpu->arch.shared->msr & MSR_SF)) {
349 crit_raw &= 0xffffffff;
350 crit_r1 &= 0xffffffff;
353 /* Critical section when crit == r1 */
354 crit = (crit_raw == crit_r1);
355 /* ... and we're in supervisor mode */
356 crit = crit && !(vcpu->arch.shared->msr & MSR_PR);
360 #else /* CONFIG_KVM_BOOK3S_PR */
362 static inline unsigned long kvmppc_interrupt_offset(struct kvm_vcpu *vcpu)
367 static inline void kvmppc_update_int_pending(struct kvm_vcpu *vcpu,
368 unsigned long pending_now, unsigned long old_pending)
372 static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
374 vcpu->arch.gpr[num] = val;
377 static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
379 return vcpu->arch.gpr[num];
382 static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
387 static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
389 return vcpu->arch.cr;
392 static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
394 vcpu->arch.xer = val;
397 static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
399 return vcpu->arch.xer;
402 static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val)
404 vcpu->arch.ctr = val;
407 static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu)
409 return vcpu->arch.ctr;
412 static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val)
417 static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu)
419 return vcpu->arch.lr;
422 static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val)
427 static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu)
429 return vcpu->arch.pc;
432 static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu)
434 ulong pc = kvmppc_get_pc(vcpu);
436 /* Load the instruction manually if it failed to do so in the
438 if (vcpu->arch.last_inst == KVM_INST_FETCH_FAILED)
439 kvmppc_ld(vcpu, &pc, sizeof(u32), &vcpu->arch.last_inst, false);
441 return vcpu->arch.last_inst;
444 static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
446 return vcpu->arch.fault_dar;
449 static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu)
455 /* Magic register values loaded into r3 and r4 before the 'sc' assembly
456 * instruction for the OSI hypercalls */
457 #define OSI_SC_MAGIC_R3 0x113724FA
458 #define OSI_SC_MAGIC_R4 0x77810F9B
460 #define INS_DCBZ 0x7c0007ec
462 /* LPIDs we support with this build -- runtime limit may be lower */
463 #define KVMPPC_NR_LPIDS (LPID_RSVD + 1)
465 #endif /* __ASM_KVM_BOOK3S_H__ */