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 IBM Corp. 2008
17 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
20 #ifndef __POWERPC_KVM_PPC_H__
21 #define __POWERPC_KVM_PPC_H__
23 /* This file exists just so we can dereference kvm_vcpu, avoiding nested header
26 #include <linux/mutex.h>
27 #include <linux/timer.h>
28 #include <linux/types.h>
29 #include <linux/kvm_types.h>
30 #include <linux/kvm_host.h>
31 #include <linux/bug.h>
32 #ifdef CONFIG_PPC_BOOK3S
33 #include <asm/kvm_book3s.h>
35 #include <asm/kvm_booke.h>
37 #ifdef CONFIG_KVM_BOOK3S_64_HANDLER
41 enum emulation_result {
42 EMULATE_DONE, /* no further processing */
43 EMULATE_DO_MMIO, /* kvm_run filled with MMIO request */
44 EMULATE_FAIL, /* can't emulate this instruction */
45 EMULATE_AGAIN, /* something went wrong. go again */
46 EMULATE_EXIT_USER, /* emulation requires exit to user-space */
49 enum instruction_type {
51 INST_SC, /* system call */
55 XLATE_INST, /* translate instruction address */
56 XLATE_DATA /* translate data address */
59 enum xlate_readwrite {
60 XLATE_READ, /* check for read permissions */
61 XLATE_WRITE /* check for write permissions */
64 extern int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
65 extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
66 extern void kvmppc_handler_highmem(void);
68 extern void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu);
69 extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
70 unsigned int rt, unsigned int bytes,
71 int is_default_endian);
72 extern int kvmppc_handle_loads(struct kvm_run *run, struct kvm_vcpu *vcpu,
73 unsigned int rt, unsigned int bytes,
74 int is_default_endian);
75 extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
76 u64 val, unsigned int bytes,
77 int is_default_endian);
79 extern int kvmppc_load_last_inst(struct kvm_vcpu *vcpu,
80 enum instruction_type type, u32 *inst);
82 extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr,
84 extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr,
86 extern int kvmppc_emulate_instruction(struct kvm_run *run,
87 struct kvm_vcpu *vcpu);
88 extern int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu);
89 extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu);
90 extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu);
91 extern u32 kvmppc_get_dec(struct kvm_vcpu *vcpu, u64 tb);
92 extern void kvmppc_decrementer_func(unsigned long data);
93 extern int kvmppc_sanity_check(struct kvm_vcpu *vcpu);
94 extern int kvmppc_subarch_vcpu_init(struct kvm_vcpu *vcpu);
95 extern void kvmppc_subarch_vcpu_uninit(struct kvm_vcpu *vcpu);
97 /* Core-specific hooks */
99 extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr,
100 unsigned int gtlb_idx);
101 extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode);
102 extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid);
103 extern void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu);
104 extern int kvmppc_mmu_init(struct kvm_vcpu *vcpu);
105 extern int kvmppc_mmu_dtlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
106 extern int kvmppc_mmu_itlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
107 extern gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index,
109 extern void kvmppc_mmu_dtlb_miss(struct kvm_vcpu *vcpu);
110 extern void kvmppc_mmu_itlb_miss(struct kvm_vcpu *vcpu);
111 extern int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr,
112 enum xlate_instdata xlid, enum xlate_readwrite xlrw,
113 struct kvmppc_pte *pte);
115 extern struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm,
117 extern void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu);
118 extern int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu);
119 extern int kvmppc_core_check_processor_compat(void);
120 extern int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu,
121 struct kvm_translation *tr);
123 extern void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
124 extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu);
126 extern int kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu);
127 extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu);
128 extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags);
129 extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu);
130 extern void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu);
131 extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
132 struct kvm_interrupt *irq);
133 extern void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu);
134 extern void kvmppc_core_queue_dtlb_miss(struct kvm_vcpu *vcpu, ulong dear_flags,
136 extern void kvmppc_core_queue_data_storage(struct kvm_vcpu *vcpu,
139 extern void kvmppc_core_queue_itlb_miss(struct kvm_vcpu *vcpu);
140 extern void kvmppc_core_queue_inst_storage(struct kvm_vcpu *vcpu,
142 extern void kvmppc_core_flush_tlb(struct kvm_vcpu *vcpu);
143 extern int kvmppc_core_check_requests(struct kvm_vcpu *vcpu);
145 extern int kvmppc_booke_init(void);
146 extern void kvmppc_booke_exit(void);
148 extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu);
149 extern int kvmppc_kvm_pv(struct kvm_vcpu *vcpu);
150 extern void kvmppc_map_magic(struct kvm_vcpu *vcpu);
152 extern long kvmppc_alloc_hpt(struct kvm *kvm, u32 *htab_orderp);
153 extern long kvmppc_alloc_reset_hpt(struct kvm *kvm, u32 *htab_orderp);
154 extern void kvmppc_free_hpt(struct kvm *kvm);
155 extern long kvmppc_prepare_vrma(struct kvm *kvm,
156 struct kvm_userspace_memory_region *mem);
157 extern void kvmppc_map_vrma(struct kvm_vcpu *vcpu,
158 struct kvm_memory_slot *memslot, unsigned long porder);
159 extern int kvmppc_pseries_do_hcall(struct kvm_vcpu *vcpu);
161 extern long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm,
162 struct kvm_create_spapr_tce *args);
163 extern long kvmppc_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn,
164 unsigned long ioba, unsigned long tce);
165 extern long kvmppc_h_get_tce(struct kvm_vcpu *vcpu, unsigned long liobn,
167 extern struct kvm_rma_info *kvm_alloc_rma(void);
168 extern void kvm_release_rma(struct kvm_rma_info *ri);
169 extern struct page *kvm_alloc_hpt(unsigned long nr_pages);
170 extern void kvm_release_hpt(struct page *page, unsigned long nr_pages);
171 extern int kvmppc_core_init_vm(struct kvm *kvm);
172 extern void kvmppc_core_destroy_vm(struct kvm *kvm);
173 extern void kvmppc_core_free_memslot(struct kvm *kvm,
174 struct kvm_memory_slot *free,
175 struct kvm_memory_slot *dont);
176 extern int kvmppc_core_create_memslot(struct kvm *kvm,
177 struct kvm_memory_slot *slot,
178 unsigned long npages);
179 extern int kvmppc_core_prepare_memory_region(struct kvm *kvm,
180 struct kvm_memory_slot *memslot,
181 struct kvm_userspace_memory_region *mem);
182 extern void kvmppc_core_commit_memory_region(struct kvm *kvm,
183 struct kvm_userspace_memory_region *mem,
184 const struct kvm_memory_slot *old);
185 extern int kvm_vm_ioctl_get_smmu_info(struct kvm *kvm,
186 struct kvm_ppc_smmu_info *info);
187 extern void kvmppc_core_flush_memslot(struct kvm *kvm,
188 struct kvm_memory_slot *memslot);
190 extern int kvmppc_bookehv_init(void);
191 extern void kvmppc_bookehv_exit(void);
193 extern int kvmppc_prepare_to_enter(struct kvm_vcpu *vcpu);
195 extern int kvm_vm_ioctl_get_htab_fd(struct kvm *kvm, struct kvm_get_htab_fd *);
197 int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, struct kvm_interrupt *irq);
199 extern int kvm_vm_ioctl_rtas_define_token(struct kvm *kvm, void __user *argp);
200 extern int kvmppc_rtas_hcall(struct kvm_vcpu *vcpu);
201 extern void kvmppc_rtas_tokens_free(struct kvm *kvm);
202 extern int kvmppc_xics_set_xive(struct kvm *kvm, u32 irq, u32 server,
204 extern int kvmppc_xics_get_xive(struct kvm *kvm, u32 irq, u32 *server,
206 extern int kvmppc_xics_int_on(struct kvm *kvm, u32 irq);
207 extern int kvmppc_xics_int_off(struct kvm *kvm, u32 irq);
209 union kvmppc_one_reg {
221 struct module *owner;
222 int (*get_sregs)(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
223 int (*set_sregs)(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
224 int (*get_one_reg)(struct kvm_vcpu *vcpu, u64 id,
225 union kvmppc_one_reg *val);
226 int (*set_one_reg)(struct kvm_vcpu *vcpu, u64 id,
227 union kvmppc_one_reg *val);
228 void (*vcpu_load)(struct kvm_vcpu *vcpu, int cpu);
229 void (*vcpu_put)(struct kvm_vcpu *vcpu);
230 void (*set_msr)(struct kvm_vcpu *vcpu, u64 msr);
231 int (*vcpu_run)(struct kvm_run *run, struct kvm_vcpu *vcpu);
232 struct kvm_vcpu *(*vcpu_create)(struct kvm *kvm, unsigned int id);
233 void (*vcpu_free)(struct kvm_vcpu *vcpu);
234 int (*check_requests)(struct kvm_vcpu *vcpu);
235 int (*get_dirty_log)(struct kvm *kvm, struct kvm_dirty_log *log);
236 void (*flush_memslot)(struct kvm *kvm, struct kvm_memory_slot *memslot);
237 int (*prepare_memory_region)(struct kvm *kvm,
238 struct kvm_memory_slot *memslot,
239 struct kvm_userspace_memory_region *mem);
240 void (*commit_memory_region)(struct kvm *kvm,
241 struct kvm_userspace_memory_region *mem,
242 const struct kvm_memory_slot *old);
243 int (*unmap_hva)(struct kvm *kvm, unsigned long hva);
244 int (*unmap_hva_range)(struct kvm *kvm, unsigned long start,
246 int (*age_hva)(struct kvm *kvm, unsigned long hva);
247 int (*test_age_hva)(struct kvm *kvm, unsigned long hva);
248 void (*set_spte_hva)(struct kvm *kvm, unsigned long hva, pte_t pte);
249 void (*mmu_destroy)(struct kvm_vcpu *vcpu);
250 void (*free_memslot)(struct kvm_memory_slot *free,
251 struct kvm_memory_slot *dont);
252 int (*create_memslot)(struct kvm_memory_slot *slot,
253 unsigned long npages);
254 int (*init_vm)(struct kvm *kvm);
255 void (*destroy_vm)(struct kvm *kvm);
256 int (*get_smmu_info)(struct kvm *kvm, struct kvm_ppc_smmu_info *info);
257 int (*emulate_op)(struct kvm_run *run, struct kvm_vcpu *vcpu,
258 unsigned int inst, int *advance);
259 int (*emulate_mtspr)(struct kvm_vcpu *vcpu, int sprn, ulong spr_val);
260 int (*emulate_mfspr)(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val);
261 void (*fast_vcpu_kick)(struct kvm_vcpu *vcpu);
262 long (*arch_vm_ioctl)(struct file *filp, unsigned int ioctl,
264 int (*hcall_implemented)(unsigned long hcall);
267 extern struct kvmppc_ops *kvmppc_hv_ops;
268 extern struct kvmppc_ops *kvmppc_pr_ops;
270 static inline int kvmppc_get_last_inst(struct kvm_vcpu *vcpu,
271 enum instruction_type type, u32 *inst)
273 int ret = EMULATE_DONE;
276 /* Load the instruction manually if it failed to do so in the
278 if (vcpu->arch.last_inst == KVM_INST_FETCH_FAILED)
279 ret = kvmppc_load_last_inst(vcpu, type, &vcpu->arch.last_inst);
281 /* Write fetch_failed unswapped if the fetch failed */
282 if (ret == EMULATE_DONE)
283 fetched_inst = kvmppc_need_byteswap(vcpu) ?
284 swab32(vcpu->arch.last_inst) :
285 vcpu->arch.last_inst;
287 fetched_inst = vcpu->arch.last_inst;
289 *inst = fetched_inst;
293 static inline bool is_kvmppc_hv_enabled(struct kvm *kvm)
295 return kvm->arch.kvm_ops == kvmppc_hv_ops;
299 * Cuts out inst bits with ordering according to spec.
300 * That means the leftmost bit is zero. All given bits are included.
302 static inline u32 kvmppc_get_field(u64 inst, int msb, int lsb)
309 mask = (1 << (lsb - msb + 1)) - 1;
310 r = (inst >> (63 - lsb)) & mask;
316 * Replaces inst bits with ordering according to spec.
318 static inline u32 kvmppc_set_field(u64 inst, int msb, int lsb, int value)
325 mask = ((1 << (lsb - msb + 1)) - 1) << (63 - lsb);
326 r = (inst & ~mask) | ((value << (63 - lsb)) & mask);
331 #define one_reg_size(id) \
332 (1ul << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT))
334 #define get_reg_val(id, reg) ({ \
335 union kvmppc_one_reg __u; \
336 switch (one_reg_size(id)) { \
337 case 4: __u.wval = (reg); break; \
338 case 8: __u.dval = (reg); break; \
345 #define set_reg_val(id, val) ({ \
347 switch (one_reg_size(id)) { \
348 case 4: __v = (val).wval; break; \
349 case 8: __v = (val).dval; break; \
355 int kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
356 int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
358 int kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
359 int kvmppc_set_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
361 int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg);
362 int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg);
363 int kvmppc_get_one_reg(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *);
364 int kvmppc_set_one_reg(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *);
366 void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 pid);
370 #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
371 extern void kvm_cma_reserve(void) __init;
372 static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr)
374 paca[cpu].kvm_hstate.xics_phys = addr;
377 static inline u32 kvmppc_get_xics_latch(void)
381 xirr = get_paca()->kvm_hstate.saved_xirr;
382 get_paca()->kvm_hstate.saved_xirr = 0;
386 static inline void kvmppc_set_host_ipi(int cpu, u8 host_ipi)
388 paca[cpu].kvm_hstate.host_ipi = host_ipi;
391 static inline void kvmppc_fast_vcpu_kick(struct kvm_vcpu *vcpu)
393 vcpu->kvm->arch.kvm_ops->fast_vcpu_kick(vcpu);
396 extern void kvm_hv_vm_activated(void);
397 extern void kvm_hv_vm_deactivated(void);
398 extern bool kvm_hv_mode_active(void);
401 static inline void __init kvm_cma_reserve(void)
404 static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr)
407 static inline u32 kvmppc_get_xics_latch(void)
412 static inline void kvmppc_set_host_ipi(int cpu, u8 host_ipi)
415 static inline void kvmppc_fast_vcpu_kick(struct kvm_vcpu *vcpu)
420 static inline bool kvm_hv_mode_active(void) { return false; }
424 #ifdef CONFIG_KVM_XICS
425 static inline int kvmppc_xics_enabled(struct kvm_vcpu *vcpu)
427 return vcpu->arch.irq_type == KVMPPC_IRQ_XICS;
429 extern void kvmppc_xics_free_icp(struct kvm_vcpu *vcpu);
430 extern int kvmppc_xics_create_icp(struct kvm_vcpu *vcpu, unsigned long server);
431 extern int kvm_vm_ioctl_xics_irq(struct kvm *kvm, struct kvm_irq_level *args);
432 extern int kvmppc_xics_hcall(struct kvm_vcpu *vcpu, u32 cmd);
433 extern u64 kvmppc_xics_get_icp(struct kvm_vcpu *vcpu);
434 extern int kvmppc_xics_set_icp(struct kvm_vcpu *vcpu, u64 icpval);
435 extern int kvmppc_xics_connect_vcpu(struct kvm_device *dev,
436 struct kvm_vcpu *vcpu, u32 cpu);
438 static inline int kvmppc_xics_enabled(struct kvm_vcpu *vcpu)
440 static inline void kvmppc_xics_free_icp(struct kvm_vcpu *vcpu) { }
441 static inline int kvmppc_xics_create_icp(struct kvm_vcpu *vcpu,
442 unsigned long server)
444 static inline int kvm_vm_ioctl_xics_irq(struct kvm *kvm,
445 struct kvm_irq_level *args)
447 static inline int kvmppc_xics_hcall(struct kvm_vcpu *vcpu, u32 cmd)
451 static inline unsigned long kvmppc_get_epr(struct kvm_vcpu *vcpu)
453 #ifdef CONFIG_KVM_BOOKE_HV
454 return mfspr(SPRN_GEPR);
455 #elif defined(CONFIG_BOOKE)
456 return vcpu->arch.epr;
462 static inline void kvmppc_set_epr(struct kvm_vcpu *vcpu, u32 epr)
464 #ifdef CONFIG_KVM_BOOKE_HV
465 mtspr(SPRN_GEPR, epr);
466 #elif defined(CONFIG_BOOKE)
467 vcpu->arch.epr = epr;
471 #ifdef CONFIG_KVM_MPIC
473 void kvmppc_mpic_set_epr(struct kvm_vcpu *vcpu);
474 int kvmppc_mpic_connect_vcpu(struct kvm_device *dev, struct kvm_vcpu *vcpu,
476 void kvmppc_mpic_disconnect_vcpu(struct openpic *opp, struct kvm_vcpu *vcpu);
480 static inline void kvmppc_mpic_set_epr(struct kvm_vcpu *vcpu)
484 static inline int kvmppc_mpic_connect_vcpu(struct kvm_device *dev,
485 struct kvm_vcpu *vcpu, u32 cpu)
490 static inline void kvmppc_mpic_disconnect_vcpu(struct openpic *opp,
491 struct kvm_vcpu *vcpu)
495 #endif /* CONFIG_KVM_MPIC */
497 int kvm_vcpu_ioctl_config_tlb(struct kvm_vcpu *vcpu,
498 struct kvm_config_tlb *cfg);
499 int kvm_vcpu_ioctl_dirty_tlb(struct kvm_vcpu *vcpu,
500 struct kvm_dirty_tlb *cfg);
502 long kvmppc_alloc_lpid(void);
503 void kvmppc_claim_lpid(long lpid);
504 void kvmppc_free_lpid(long lpid);
505 void kvmppc_init_lpid(unsigned long nr_lpids);
507 static inline void kvmppc_mmu_flush_icache(pfn_t pfn)
511 * We can only access pages that the kernel maps
512 * as memory. Bail out for unmapped ones.
517 /* Clear i-cache for new pages */
518 page = pfn_to_page(pfn);
519 if (!test_bit(PG_arch_1, &page->flags)) {
520 flush_dcache_icache_page(page);
521 set_bit(PG_arch_1, &page->flags);
526 * Shared struct helpers. The shared struct can be little or big endian,
527 * depending on the guest endianness. So expose helpers to all of them.
529 static inline bool kvmppc_shared_big_endian(struct kvm_vcpu *vcpu)
531 #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE)
532 /* Only Book3S_64 PR supports bi-endian for now */
533 return vcpu->arch.shared_big_endian;
534 #elif defined(CONFIG_PPC_BOOK3S_64) && defined(__LITTLE_ENDIAN__)
535 /* Book3s_64 HV on little endian is always little endian */
542 #define SPRNG_WRAPPER_GET(reg, bookehv_spr) \
543 static inline ulong kvmppc_get_##reg(struct kvm_vcpu *vcpu) \
545 return mfspr(bookehv_spr); \
548 #define SPRNG_WRAPPER_SET(reg, bookehv_spr) \
549 static inline void kvmppc_set_##reg(struct kvm_vcpu *vcpu, ulong val) \
551 mtspr(bookehv_spr, val); \
554 #define SHARED_WRAPPER_GET(reg, size) \
555 static inline u##size kvmppc_get_##reg(struct kvm_vcpu *vcpu) \
557 if (kvmppc_shared_big_endian(vcpu)) \
558 return be##size##_to_cpu(vcpu->arch.shared->reg); \
560 return le##size##_to_cpu(vcpu->arch.shared->reg); \
563 #define SHARED_WRAPPER_SET(reg, size) \
564 static inline void kvmppc_set_##reg(struct kvm_vcpu *vcpu, u##size val) \
566 if (kvmppc_shared_big_endian(vcpu)) \
567 vcpu->arch.shared->reg = cpu_to_be##size(val); \
569 vcpu->arch.shared->reg = cpu_to_le##size(val); \
572 #define SHARED_WRAPPER(reg, size) \
573 SHARED_WRAPPER_GET(reg, size) \
574 SHARED_WRAPPER_SET(reg, size) \
576 #define SPRNG_WRAPPER(reg, bookehv_spr) \
577 SPRNG_WRAPPER_GET(reg, bookehv_spr) \
578 SPRNG_WRAPPER_SET(reg, bookehv_spr) \
580 #ifdef CONFIG_KVM_BOOKE_HV
582 #define SHARED_SPRNG_WRAPPER(reg, size, bookehv_spr) \
583 SPRNG_WRAPPER(reg, bookehv_spr) \
587 #define SHARED_SPRNG_WRAPPER(reg, size, bookehv_spr) \
588 SHARED_WRAPPER(reg, size) \
592 SHARED_WRAPPER(critical, 64)
593 SHARED_SPRNG_WRAPPER(sprg0, 64, SPRN_GSPRG0)
594 SHARED_SPRNG_WRAPPER(sprg1, 64, SPRN_GSPRG1)
595 SHARED_SPRNG_WRAPPER(sprg2, 64, SPRN_GSPRG2)
596 SHARED_SPRNG_WRAPPER(sprg3, 64, SPRN_GSPRG3)
597 SHARED_SPRNG_WRAPPER(srr0, 64, SPRN_GSRR0)
598 SHARED_SPRNG_WRAPPER(srr1, 64, SPRN_GSRR1)
599 SHARED_SPRNG_WRAPPER(dar, 64, SPRN_GDEAR)
600 SHARED_SPRNG_WRAPPER(esr, 64, SPRN_GESR)
601 SHARED_WRAPPER_GET(msr, 64)
602 static inline void kvmppc_set_msr_fast(struct kvm_vcpu *vcpu, u64 val)
604 if (kvmppc_shared_big_endian(vcpu))
605 vcpu->arch.shared->msr = cpu_to_be64(val);
607 vcpu->arch.shared->msr = cpu_to_le64(val);
609 SHARED_WRAPPER(dsisr, 32)
610 SHARED_WRAPPER(int_pending, 32)
611 SHARED_WRAPPER(sprg4, 64)
612 SHARED_WRAPPER(sprg5, 64)
613 SHARED_WRAPPER(sprg6, 64)
614 SHARED_WRAPPER(sprg7, 64)
616 static inline u32 kvmppc_get_sr(struct kvm_vcpu *vcpu, int nr)
618 if (kvmppc_shared_big_endian(vcpu))
619 return be32_to_cpu(vcpu->arch.shared->sr[nr]);
621 return le32_to_cpu(vcpu->arch.shared->sr[nr]);
624 static inline void kvmppc_set_sr(struct kvm_vcpu *vcpu, int nr, u32 val)
626 if (kvmppc_shared_big_endian(vcpu))
627 vcpu->arch.shared->sr[nr] = cpu_to_be32(val);
629 vcpu->arch.shared->sr[nr] = cpu_to_le32(val);
633 * Please call after prepare_to_enter. This function puts the lazy ee and irq
634 * disabled tracking state back to normal mode, without actually enabling
637 static inline void kvmppc_fix_ee_before_entry(void)
643 * To avoid races, the caller must have gone directly from having
644 * interrupts fully-enabled to hard-disabled.
646 WARN_ON(local_paca->irq_happened != PACA_IRQ_HARD_DIS);
648 /* Only need to enable IRQs by hard enabling them after this */
649 local_paca->irq_happened = 0;
650 local_paca->soft_enabled = 1;
654 static inline ulong kvmppc_get_ea_indexed(struct kvm_vcpu *vcpu, int ra, int rb)
659 ea = kvmppc_get_gpr(vcpu, rb);
661 ea += kvmppc_get_gpr(vcpu, ra);
663 #if defined(CONFIG_PPC_BOOK3E_64)
665 #elif defined(CONFIG_PPC_BOOK3S_64)
669 if (!(kvmppc_get_msr(vcpu) & msr_64bit))
675 extern void xics_wake_cpu(int cpu);
677 #endif /* __POWERPC_KVM_PPC_H__ */