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 bool hior_sregs; /* HIOR is set by SREGS, not PVR */
95 struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE];
96 struct hlist_head hpte_hash_pte_long[HPTEG_HASH_NUM_PTE_LONG];
97 struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE];
98 struct hlist_head hpte_hash_vpte_long[HPTEG_HASH_NUM_VPTE_LONG];
103 #define CONTEXT_HOST 0
104 #define CONTEXT_GUEST 1
105 #define CONTEXT_GUEST_END 2
107 #define VSID_REAL 0x1fffffffffc00000ULL
108 #define VSID_BAT 0x1fffffffffb00000ULL
109 #define VSID_REAL_DR 0x2000000000000000ULL
110 #define VSID_REAL_IR 0x4000000000000000ULL
111 #define VSID_PR 0x8000000000000000ULL
113 extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, ulong ea, ulong ea_mask);
114 extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask);
115 extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, ulong pa_start, ulong pa_end);
116 extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr);
117 extern void kvmppc_set_pvr(struct kvm_vcpu *vcpu, u32 pvr);
118 extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu);
119 extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu);
120 extern void kvmppc_mmu_book3s_hv_init(struct kvm_vcpu *vcpu);
121 extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte);
122 extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr);
123 extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu);
125 extern void kvmppc_mmu_hpte_cache_map(struct kvm_vcpu *vcpu, struct hpte_cache *pte);
126 extern struct hpte_cache *kvmppc_mmu_hpte_cache_next(struct kvm_vcpu *vcpu);
127 extern void kvmppc_mmu_hpte_destroy(struct kvm_vcpu *vcpu);
128 extern int kvmppc_mmu_hpte_init(struct kvm_vcpu *vcpu);
129 extern void kvmppc_mmu_invalidate_pte(struct kvm_vcpu *vcpu, struct hpte_cache *pte);
130 extern int kvmppc_mmu_hpte_sysinit(void);
131 extern void kvmppc_mmu_hpte_sysexit(void);
132 extern int kvmppc_mmu_hv_init(void);
134 extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data);
135 extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr, bool data);
136 extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec);
137 extern void kvmppc_inject_interrupt(struct kvm_vcpu *vcpu, int vec, u64 flags);
138 extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat,
139 bool upper, u32 val);
140 extern void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr);
141 extern int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu);
142 extern pfn_t kvmppc_gfn_to_pfn(struct kvm_vcpu *vcpu, gfn_t gfn);
144 extern void kvmppc_handler_lowmem_trampoline(void);
145 extern void kvmppc_handler_trampoline_enter(void);
146 extern void kvmppc_rmcall(ulong srr0, ulong srr1);
147 extern void kvmppc_hv_entry_trampoline(void);
148 extern void kvmppc_load_up_fpu(void);
149 extern void kvmppc_load_up_altivec(void);
150 extern void kvmppc_load_up_vsx(void);
151 extern u32 kvmppc_alignment_dsisr(struct kvm_vcpu *vcpu, unsigned int inst);
152 extern ulong kvmppc_alignment_dar(struct kvm_vcpu *vcpu, unsigned int inst);
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 to_svcpu(vcpu)->gpr[num] = val;
190 to_book3s(vcpu)->shadow_vcpu->gpr[num] = val;
192 vcpu->arch.gpr[num] = val;
195 static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
198 return to_svcpu(vcpu)->gpr[num];
200 return vcpu->arch.gpr[num];
203 static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
205 to_svcpu(vcpu)->cr = val;
206 to_book3s(vcpu)->shadow_vcpu->cr = val;
209 static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
211 return to_svcpu(vcpu)->cr;
214 static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
216 to_svcpu(vcpu)->xer = val;
217 to_book3s(vcpu)->shadow_vcpu->xer = val;
220 static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
222 return to_svcpu(vcpu)->xer;
225 static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val)
227 to_svcpu(vcpu)->ctr = val;
230 static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu)
232 return to_svcpu(vcpu)->ctr;
235 static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val)
237 to_svcpu(vcpu)->lr = val;
240 static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu)
242 return to_svcpu(vcpu)->lr;
245 static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val)
247 to_svcpu(vcpu)->pc = val;
250 static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu)
252 return to_svcpu(vcpu)->pc;
255 static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu)
257 ulong pc = kvmppc_get_pc(vcpu);
258 struct kvmppc_book3s_shadow_vcpu *svcpu = to_svcpu(vcpu);
260 /* Load the instruction manually if it failed to do so in the
262 if (svcpu->last_inst == KVM_INST_FETCH_FAILED)
263 kvmppc_ld(vcpu, &pc, sizeof(u32), &svcpu->last_inst, false);
265 return svcpu->last_inst;
268 static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
270 return to_svcpu(vcpu)->fault_dar;
273 static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu)
275 ulong crit_raw = vcpu->arch.shared->critical;
276 ulong crit_r1 = kvmppc_get_gpr(vcpu, 1);
279 /* Truncate crit indicators in 32 bit mode */
280 if (!(vcpu->arch.shared->msr & MSR_SF)) {
281 crit_raw &= 0xffffffff;
282 crit_r1 &= 0xffffffff;
285 /* Critical section when crit == r1 */
286 crit = (crit_raw == crit_r1);
287 /* ... and we're in supervisor mode */
288 crit = crit && !(vcpu->arch.shared->msr & MSR_PR);
292 #else /* CONFIG_KVM_BOOK3S_PR */
294 static inline unsigned long kvmppc_interrupt_offset(struct kvm_vcpu *vcpu)
299 static inline void kvmppc_update_int_pending(struct kvm_vcpu *vcpu,
300 unsigned long pending_now, unsigned long old_pending)
304 static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
306 vcpu->arch.gpr[num] = val;
309 static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
311 return vcpu->arch.gpr[num];
314 static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
319 static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
321 return vcpu->arch.cr;
324 static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
326 vcpu->arch.xer = val;
329 static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
331 return vcpu->arch.xer;
334 static inline void kvmppc_set_ctr(struct kvm_vcpu *vcpu, ulong val)
336 vcpu->arch.ctr = val;
339 static inline ulong kvmppc_get_ctr(struct kvm_vcpu *vcpu)
341 return vcpu->arch.ctr;
344 static inline void kvmppc_set_lr(struct kvm_vcpu *vcpu, ulong val)
349 static inline ulong kvmppc_get_lr(struct kvm_vcpu *vcpu)
351 return vcpu->arch.lr;
354 static inline void kvmppc_set_pc(struct kvm_vcpu *vcpu, ulong val)
359 static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu)
361 return vcpu->arch.pc;
364 static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu)
366 ulong pc = kvmppc_get_pc(vcpu);
368 /* Load the instruction manually if it failed to do so in the
370 if (vcpu->arch.last_inst == KVM_INST_FETCH_FAILED)
371 kvmppc_ld(vcpu, &pc, sizeof(u32), &vcpu->arch.last_inst, false);
373 return vcpu->arch.last_inst;
376 static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)
378 return vcpu->arch.fault_dar;
381 static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu)
387 static inline unsigned long compute_tlbie_rb(unsigned long v, unsigned long r,
388 unsigned long pte_index)
390 unsigned long rb, va_low;
392 rb = (v & ~0x7fUL) << 16; /* AVA field */
393 va_low = pte_index >> 3;
394 if (v & HPTE_V_SECONDARY)
396 /* xor vsid from AVA */
397 if (!(v & HPTE_V_1TB_SEG))
402 if (v & HPTE_V_LARGE) {
403 rb |= 1; /* L field */
404 if (cpu_has_feature(CPU_FTR_ARCH_206) &&
406 /* non-16MB large page, must be 64k */
407 /* (masks depend on page size) */
408 rb |= 0x1000; /* page encoding in LP field */
409 rb |= (va_low & 0x7f) << 16; /* 7b of VA in AVA/LP field */
410 rb |= (va_low & 0xfe); /* AVAL field (P7 doesn't seem to care) */
414 rb |= (va_low & 0x7ff) << 12; /* remaining 11b of VA */
416 rb |= (v >> 54) & 0x300; /* B field */
420 /* Magic register values loaded into r3 and r4 before the 'sc' assembly
421 * instruction for the OSI hypercalls */
422 #define OSI_SC_MAGIC_R3 0x113724FA
423 #define OSI_SC_MAGIC_R4 0x77810F9B
425 #define INS_DCBZ 0x7c0007ec
427 #endif /* __ASM_KVM_BOOK3S_H__ */