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20#ifndef __POWERPC_KVM_PPC_H__
21#define __POWERPC_KVM_PPC_H__
22
23
24
25
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>
34#else
35#include <asm/kvm_booke.h>
36#endif
37#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
38#include <asm/paca.h>
39#endif
40
41
42
43
44
45#define KVMPPC_INST_SW_BREAKPOINT 0x00dddd00
46
47enum emulation_result {
48 EMULATE_DONE,
49 EMULATE_DO_MMIO,
50 EMULATE_FAIL,
51 EMULATE_AGAIN,
52 EMULATE_EXIT_USER,
53};
54
55enum instruction_type {
56 INST_GENERIC,
57 INST_SC,
58};
59
60enum xlate_instdata {
61 XLATE_INST,
62 XLATE_DATA
63};
64
65enum xlate_readwrite {
66 XLATE_READ,
67 XLATE_WRITE
68};
69
70extern int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
71extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
72extern void kvmppc_handler_highmem(void);
73
74extern void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu);
75extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
76 unsigned int rt, unsigned int bytes,
77 int is_default_endian);
78extern int kvmppc_handle_loads(struct kvm_run *run, struct kvm_vcpu *vcpu,
79 unsigned int rt, unsigned int bytes,
80 int is_default_endian);
81extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
82 u64 val, unsigned int bytes,
83 int is_default_endian);
84
85extern int kvmppc_load_last_inst(struct kvm_vcpu *vcpu,
86 enum instruction_type type, u32 *inst);
87
88extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr,
89 bool data);
90extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr,
91 bool data);
92extern int kvmppc_emulate_instruction(struct kvm_run *run,
93 struct kvm_vcpu *vcpu);
94extern int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu);
95extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu);
96extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu);
97extern u32 kvmppc_get_dec(struct kvm_vcpu *vcpu, u64 tb);
98extern void kvmppc_decrementer_func(struct kvm_vcpu *vcpu);
99extern int kvmppc_sanity_check(struct kvm_vcpu *vcpu);
100extern int kvmppc_subarch_vcpu_init(struct kvm_vcpu *vcpu);
101extern void kvmppc_subarch_vcpu_uninit(struct kvm_vcpu *vcpu);
102
103
104
105extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr,
106 unsigned int gtlb_idx);
107extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode);
108extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid);
109extern void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu);
110extern int kvmppc_mmu_init(struct kvm_vcpu *vcpu);
111extern int kvmppc_mmu_dtlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
112extern int kvmppc_mmu_itlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
113extern gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index,
114 gva_t eaddr);
115extern void kvmppc_mmu_dtlb_miss(struct kvm_vcpu *vcpu);
116extern void kvmppc_mmu_itlb_miss(struct kvm_vcpu *vcpu);
117extern int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr,
118 enum xlate_instdata xlid, enum xlate_readwrite xlrw,
119 struct kvmppc_pte *pte);
120
121extern struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm,
122 unsigned int id);
123extern void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu);
124extern int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu);
125extern int kvmppc_core_check_processor_compat(void);
126extern int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu,
127 struct kvm_translation *tr);
128
129extern void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
130extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu);
131
132extern int kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu);
133extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu);
134extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags);
135extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu);
136extern void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu);
137extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
138 struct kvm_interrupt *irq);
139extern void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu);
140extern void kvmppc_core_queue_dtlb_miss(struct kvm_vcpu *vcpu, ulong dear_flags,
141 ulong esr_flags);
142extern void kvmppc_core_queue_data_storage(struct kvm_vcpu *vcpu,
143 ulong dear_flags,
144 ulong esr_flags);
145extern void kvmppc_core_queue_itlb_miss(struct kvm_vcpu *vcpu);
146extern void kvmppc_core_queue_inst_storage(struct kvm_vcpu *vcpu,
147 ulong esr_flags);
148extern void kvmppc_core_flush_tlb(struct kvm_vcpu *vcpu);
149extern int kvmppc_core_check_requests(struct kvm_vcpu *vcpu);
150
151extern int kvmppc_booke_init(void);
152extern void kvmppc_booke_exit(void);
153
154extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu);
155extern int kvmppc_kvm_pv(struct kvm_vcpu *vcpu);
156extern void kvmppc_map_magic(struct kvm_vcpu *vcpu);
157
158extern long kvmppc_alloc_hpt(struct kvm *kvm, u32 *htab_orderp);
159extern long kvmppc_alloc_reset_hpt(struct kvm *kvm, u32 *htab_orderp);
160extern void kvmppc_free_hpt(struct kvm *kvm);
161extern long kvmppc_prepare_vrma(struct kvm *kvm,
162 struct kvm_userspace_memory_region *mem);
163extern void kvmppc_map_vrma(struct kvm_vcpu *vcpu,
164 struct kvm_memory_slot *memslot, unsigned long porder);
165extern int kvmppc_pseries_do_hcall(struct kvm_vcpu *vcpu);
166
167extern long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm,
168 struct kvm_create_spapr_tce *args);
169extern long kvmppc_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn,
170 unsigned long ioba, unsigned long tce);
171extern long kvmppc_h_get_tce(struct kvm_vcpu *vcpu, unsigned long liobn,
172 unsigned long ioba);
173extern struct page *kvm_alloc_hpt(unsigned long nr_pages);
174extern void kvm_release_hpt(struct page *page, unsigned long nr_pages);
175extern int kvmppc_core_init_vm(struct kvm *kvm);
176extern void kvmppc_core_destroy_vm(struct kvm *kvm);
177extern void kvmppc_core_free_memslot(struct kvm *kvm,
178 struct kvm_memory_slot *free,
179 struct kvm_memory_slot *dont);
180extern int kvmppc_core_create_memslot(struct kvm *kvm,
181 struct kvm_memory_slot *slot,
182 unsigned long npages);
183extern int kvmppc_core_prepare_memory_region(struct kvm *kvm,
184 struct kvm_memory_slot *memslot,
185 const struct kvm_userspace_memory_region *mem);
186extern void kvmppc_core_commit_memory_region(struct kvm *kvm,
187 const struct kvm_userspace_memory_region *mem,
188 const struct kvm_memory_slot *old,
189 const struct kvm_memory_slot *new);
190extern int kvm_vm_ioctl_get_smmu_info(struct kvm *kvm,
191 struct kvm_ppc_smmu_info *info);
192extern void kvmppc_core_flush_memslot(struct kvm *kvm,
193 struct kvm_memory_slot *memslot);
194
195extern int kvmppc_bookehv_init(void);
196extern void kvmppc_bookehv_exit(void);
197
198extern int kvmppc_prepare_to_enter(struct kvm_vcpu *vcpu);
199
200extern int kvm_vm_ioctl_get_htab_fd(struct kvm *kvm, struct kvm_get_htab_fd *);
201
202int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, struct kvm_interrupt *irq);
203
204extern int kvm_vm_ioctl_rtas_define_token(struct kvm *kvm, void __user *argp);
205extern int kvmppc_rtas_hcall(struct kvm_vcpu *vcpu);
206extern void kvmppc_rtas_tokens_free(struct kvm *kvm);
207extern int kvmppc_xics_set_xive(struct kvm *kvm, u32 irq, u32 server,
208 u32 priority);
209extern int kvmppc_xics_get_xive(struct kvm *kvm, u32 irq, u32 *server,
210 u32 *priority);
211extern int kvmppc_xics_int_on(struct kvm *kvm, u32 irq);
212extern int kvmppc_xics_int_off(struct kvm *kvm, u32 irq);
213
214void kvmppc_core_dequeue_debug(struct kvm_vcpu *vcpu);
215void kvmppc_core_queue_debug(struct kvm_vcpu *vcpu);
216
217union kvmppc_one_reg {
218 u32 wval;
219 u64 dval;
220 vector128 vval;
221 u64 vsxval[2];
222 struct {
223 u64 addr;
224 u64 length;
225 } vpaval;
226};
227
228struct kvmppc_ops {
229 struct module *owner;
230 int (*get_sregs)(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
231 int (*set_sregs)(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
232 int (*get_one_reg)(struct kvm_vcpu *vcpu, u64 id,
233 union kvmppc_one_reg *val);
234 int (*set_one_reg)(struct kvm_vcpu *vcpu, u64 id,
235 union kvmppc_one_reg *val);
236 void (*vcpu_load)(struct kvm_vcpu *vcpu, int cpu);
237 void (*vcpu_put)(struct kvm_vcpu *vcpu);
238 void (*set_msr)(struct kvm_vcpu *vcpu, u64 msr);
239 int (*vcpu_run)(struct kvm_run *run, struct kvm_vcpu *vcpu);
240 struct kvm_vcpu *(*vcpu_create)(struct kvm *kvm, unsigned int id);
241 void (*vcpu_free)(struct kvm_vcpu *vcpu);
242 int (*check_requests)(struct kvm_vcpu *vcpu);
243 int (*get_dirty_log)(struct kvm *kvm, struct kvm_dirty_log *log);
244 void (*flush_memslot)(struct kvm *kvm, struct kvm_memory_slot *memslot);
245 int (*prepare_memory_region)(struct kvm *kvm,
246 struct kvm_memory_slot *memslot,
247 const struct kvm_userspace_memory_region *mem);
248 void (*commit_memory_region)(struct kvm *kvm,
249 const struct kvm_userspace_memory_region *mem,
250 const struct kvm_memory_slot *old,
251 const struct kvm_memory_slot *new);
252 int (*unmap_hva)(struct kvm *kvm, unsigned long hva);
253 int (*unmap_hva_range)(struct kvm *kvm, unsigned long start,
254 unsigned long end);
255 int (*age_hva)(struct kvm *kvm, unsigned long start, unsigned long end);
256 int (*test_age_hva)(struct kvm *kvm, unsigned long hva);
257 void (*set_spte_hva)(struct kvm *kvm, unsigned long hva, pte_t pte);
258 void (*mmu_destroy)(struct kvm_vcpu *vcpu);
259 void (*free_memslot)(struct kvm_memory_slot *free,
260 struct kvm_memory_slot *dont);
261 int (*create_memslot)(struct kvm_memory_slot *slot,
262 unsigned long npages);
263 int (*init_vm)(struct kvm *kvm);
264 void (*destroy_vm)(struct kvm *kvm);
265 int (*get_smmu_info)(struct kvm *kvm, struct kvm_ppc_smmu_info *info);
266 int (*emulate_op)(struct kvm_run *run, struct kvm_vcpu *vcpu,
267 unsigned int inst, int *advance);
268 int (*emulate_mtspr)(struct kvm_vcpu *vcpu, int sprn, ulong spr_val);
269 int (*emulate_mfspr)(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val);
270 void (*fast_vcpu_kick)(struct kvm_vcpu *vcpu);
271 long (*arch_vm_ioctl)(struct file *filp, unsigned int ioctl,
272 unsigned long arg);
273 int (*hcall_implemented)(unsigned long hcall);
274};
275
276extern struct kvmppc_ops *kvmppc_hv_ops;
277extern struct kvmppc_ops *kvmppc_pr_ops;
278
279static inline int kvmppc_get_last_inst(struct kvm_vcpu *vcpu,
280 enum instruction_type type, u32 *inst)
281{
282 int ret = EMULATE_DONE;
283 u32 fetched_inst;
284
285
286
287 if (vcpu->arch.last_inst == KVM_INST_FETCH_FAILED)
288 ret = kvmppc_load_last_inst(vcpu, type, &vcpu->arch.last_inst);
289
290
291 if (ret == EMULATE_DONE)
292 fetched_inst = kvmppc_need_byteswap(vcpu) ?
293 swab32(vcpu->arch.last_inst) :
294 vcpu->arch.last_inst;
295 else
296 fetched_inst = vcpu->arch.last_inst;
297
298 *inst = fetched_inst;
299 return ret;
300}
301
302static inline bool is_kvmppc_hv_enabled(struct kvm *kvm)
303{
304 return kvm->arch.kvm_ops == kvmppc_hv_ops;
305}
306
307extern int kvmppc_hwrng_present(void);
308
309
310
311
312
313static inline u32 kvmppc_get_field(u64 inst, int msb, int lsb)
314{
315 u32 r;
316 u32 mask;
317
318 BUG_ON(msb > lsb);
319
320 mask = (1 << (lsb - msb + 1)) - 1;
321 r = (inst >> (63 - lsb)) & mask;
322
323 return r;
324}
325
326
327
328
329static inline u32 kvmppc_set_field(u64 inst, int msb, int lsb, int value)
330{
331 u32 r;
332 u32 mask;
333
334 BUG_ON(msb > lsb);
335
336 mask = ((1 << (lsb - msb + 1)) - 1) << (63 - lsb);
337 r = (inst & ~mask) | ((value << (63 - lsb)) & mask);
338
339 return r;
340}
341
342#define one_reg_size(id) \
343 (1ul << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT))
344
345#define get_reg_val(id, reg) ({ \
346 union kvmppc_one_reg __u; \
347 switch (one_reg_size(id)) { \
348 case 4: __u.wval = (reg); break; \
349 case 8: __u.dval = (reg); break; \
350 default: BUG(); \
351 } \
352 __u; \
353})
354
355
356#define set_reg_val(id, val) ({ \
357 u64 __v; \
358 switch (one_reg_size(id)) { \
359 case 4: __v = (val).wval; break; \
360 case 8: __v = (val).dval; break; \
361 default: BUG(); \
362 } \
363 __v; \
364})
365
366int kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
367int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
368
369int kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
370int kvmppc_set_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
371
372int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg);
373int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg);
374int kvmppc_get_one_reg(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *);
375int kvmppc_set_one_reg(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *);
376
377void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 pid);
378
379struct openpic;
380
381#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
382extern void kvm_cma_reserve(void) __init;
383static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr)
384{
385 paca[cpu].kvm_hstate.xics_phys = addr;
386}
387
388static inline u32 kvmppc_get_xics_latch(void)
389{
390 u32 xirr;
391
392 xirr = get_paca()->kvm_hstate.saved_xirr;
393 get_paca()->kvm_hstate.saved_xirr = 0;
394 return xirr;
395}
396
397static inline void kvmppc_set_host_ipi(int cpu, u8 host_ipi)
398{
399 paca[cpu].kvm_hstate.host_ipi = host_ipi;
400}
401
402static inline void kvmppc_fast_vcpu_kick(struct kvm_vcpu *vcpu)
403{
404 vcpu->kvm->arch.kvm_ops->fast_vcpu_kick(vcpu);
405}
406
407extern void kvm_hv_vm_activated(void);
408extern void kvm_hv_vm_deactivated(void);
409extern bool kvm_hv_mode_active(void);
410
411#else
412static inline void __init kvm_cma_reserve(void)
413{}
414
415static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr)
416{}
417
418static inline u32 kvmppc_get_xics_latch(void)
419{
420 return 0;
421}
422
423static inline void kvmppc_set_host_ipi(int cpu, u8 host_ipi)
424{}
425
426static inline void kvmppc_fast_vcpu_kick(struct kvm_vcpu *vcpu)
427{
428 kvm_vcpu_kick(vcpu);
429}
430
431static inline bool kvm_hv_mode_active(void) { return false; }
432
433#endif
434
435#ifdef CONFIG_KVM_XICS
436static inline int kvmppc_xics_enabled(struct kvm_vcpu *vcpu)
437{
438 return vcpu->arch.irq_type == KVMPPC_IRQ_XICS;
439}
440extern void kvmppc_xics_free_icp(struct kvm_vcpu *vcpu);
441extern int kvmppc_xics_create_icp(struct kvm_vcpu *vcpu, unsigned long server);
442extern int kvm_vm_ioctl_xics_irq(struct kvm *kvm, struct kvm_irq_level *args);
443extern int kvmppc_xics_hcall(struct kvm_vcpu *vcpu, u32 cmd);
444extern u64 kvmppc_xics_get_icp(struct kvm_vcpu *vcpu);
445extern int kvmppc_xics_set_icp(struct kvm_vcpu *vcpu, u64 icpval);
446extern int kvmppc_xics_connect_vcpu(struct kvm_device *dev,
447 struct kvm_vcpu *vcpu, u32 cpu);
448#else
449static inline int kvmppc_xics_enabled(struct kvm_vcpu *vcpu)
450 { return 0; }
451static inline void kvmppc_xics_free_icp(struct kvm_vcpu *vcpu) { }
452static inline int kvmppc_xics_create_icp(struct kvm_vcpu *vcpu,
453 unsigned long server)
454 { return -EINVAL; }
455static inline int kvm_vm_ioctl_xics_irq(struct kvm *kvm,
456 struct kvm_irq_level *args)
457 { return -ENOTTY; }
458static inline int kvmppc_xics_hcall(struct kvm_vcpu *vcpu, u32 cmd)
459 { return 0; }
460#endif
461
462static inline unsigned long kvmppc_get_epr(struct kvm_vcpu *vcpu)
463{
464#ifdef CONFIG_KVM_BOOKE_HV
465 return mfspr(SPRN_GEPR);
466#elif defined(CONFIG_BOOKE)
467 return vcpu->arch.epr;
468#else
469 return 0;
470#endif
471}
472
473static inline void kvmppc_set_epr(struct kvm_vcpu *vcpu, u32 epr)
474{
475#ifdef CONFIG_KVM_BOOKE_HV
476 mtspr(SPRN_GEPR, epr);
477#elif defined(CONFIG_BOOKE)
478 vcpu->arch.epr = epr;
479#endif
480}
481
482#ifdef CONFIG_KVM_MPIC
483
484void kvmppc_mpic_set_epr(struct kvm_vcpu *vcpu);
485int kvmppc_mpic_connect_vcpu(struct kvm_device *dev, struct kvm_vcpu *vcpu,
486 u32 cpu);
487void kvmppc_mpic_disconnect_vcpu(struct openpic *opp, struct kvm_vcpu *vcpu);
488
489#else
490
491static inline void kvmppc_mpic_set_epr(struct kvm_vcpu *vcpu)
492{
493}
494
495static inline int kvmppc_mpic_connect_vcpu(struct kvm_device *dev,
496 struct kvm_vcpu *vcpu, u32 cpu)
497{
498 return -EINVAL;
499}
500
501static inline void kvmppc_mpic_disconnect_vcpu(struct openpic *opp,
502 struct kvm_vcpu *vcpu)
503{
504}
505
506#endif
507
508int kvm_vcpu_ioctl_config_tlb(struct kvm_vcpu *vcpu,
509 struct kvm_config_tlb *cfg);
510int kvm_vcpu_ioctl_dirty_tlb(struct kvm_vcpu *vcpu,
511 struct kvm_dirty_tlb *cfg);
512
513long kvmppc_alloc_lpid(void);
514void kvmppc_claim_lpid(long lpid);
515void kvmppc_free_lpid(long lpid);
516void kvmppc_init_lpid(unsigned long nr_lpids);
517
518static inline void kvmppc_mmu_flush_icache(pfn_t pfn)
519{
520 struct page *page;
521
522
523
524
525 if (!pfn_valid(pfn))
526 return;
527
528
529 page = pfn_to_page(pfn);
530 if (!test_bit(PG_arch_1, &page->flags)) {
531 flush_dcache_icache_page(page);
532 set_bit(PG_arch_1, &page->flags);
533 }
534}
535
536
537
538
539
540static inline bool kvmppc_shared_big_endian(struct kvm_vcpu *vcpu)
541{
542#if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE)
543
544 return vcpu->arch.shared_big_endian;
545#elif defined(CONFIG_PPC_BOOK3S_64) && defined(__LITTLE_ENDIAN__)
546
547 return false;
548#else
549 return true;
550#endif
551}
552
553#define SPRNG_WRAPPER_GET(reg, bookehv_spr) \
554static inline ulong kvmppc_get_##reg(struct kvm_vcpu *vcpu) \
555{ \
556 return mfspr(bookehv_spr); \
557} \
558
559#define SPRNG_WRAPPER_SET(reg, bookehv_spr) \
560static inline void kvmppc_set_##reg(struct kvm_vcpu *vcpu, ulong val) \
561{ \
562 mtspr(bookehv_spr, val); \
563} \
564
565#define SHARED_WRAPPER_GET(reg, size) \
566static inline u##size kvmppc_get_##reg(struct kvm_vcpu *vcpu) \
567{ \
568 if (kvmppc_shared_big_endian(vcpu)) \
569 return be##size##_to_cpu(vcpu->arch.shared->reg); \
570 else \
571 return le##size##_to_cpu(vcpu->arch.shared->reg); \
572} \
573
574#define SHARED_WRAPPER_SET(reg, size) \
575static inline void kvmppc_set_##reg(struct kvm_vcpu *vcpu, u##size val) \
576{ \
577 if (kvmppc_shared_big_endian(vcpu)) \
578 vcpu->arch.shared->reg = cpu_to_be##size(val); \
579 else \
580 vcpu->arch.shared->reg = cpu_to_le##size(val); \
581} \
582
583#define SHARED_WRAPPER(reg, size) \
584 SHARED_WRAPPER_GET(reg, size) \
585 SHARED_WRAPPER_SET(reg, size) \
586
587#define SPRNG_WRAPPER(reg, bookehv_spr) \
588 SPRNG_WRAPPER_GET(reg, bookehv_spr) \
589 SPRNG_WRAPPER_SET(reg, bookehv_spr) \
590
591#ifdef CONFIG_KVM_BOOKE_HV
592
593#define SHARED_SPRNG_WRAPPER(reg, size, bookehv_spr) \
594 SPRNG_WRAPPER(reg, bookehv_spr) \
595
596#else
597
598#define SHARED_SPRNG_WRAPPER(reg, size, bookehv_spr) \
599 SHARED_WRAPPER(reg, size) \
600
601#endif
602
603SHARED_WRAPPER(critical, 64)
604SHARED_SPRNG_WRAPPER(sprg0, 64, SPRN_GSPRG0)
605SHARED_SPRNG_WRAPPER(sprg1, 64, SPRN_GSPRG1)
606SHARED_SPRNG_WRAPPER(sprg2, 64, SPRN_GSPRG2)
607SHARED_SPRNG_WRAPPER(sprg3, 64, SPRN_GSPRG3)
608SHARED_SPRNG_WRAPPER(srr0, 64, SPRN_GSRR0)
609SHARED_SPRNG_WRAPPER(srr1, 64, SPRN_GSRR1)
610SHARED_SPRNG_WRAPPER(dar, 64, SPRN_GDEAR)
611SHARED_SPRNG_WRAPPER(esr, 64, SPRN_GESR)
612SHARED_WRAPPER_GET(msr, 64)
613static inline void kvmppc_set_msr_fast(struct kvm_vcpu *vcpu, u64 val)
614{
615 if (kvmppc_shared_big_endian(vcpu))
616 vcpu->arch.shared->msr = cpu_to_be64(val);
617 else
618 vcpu->arch.shared->msr = cpu_to_le64(val);
619}
620SHARED_WRAPPER(dsisr, 32)
621SHARED_WRAPPER(int_pending, 32)
622SHARED_WRAPPER(sprg4, 64)
623SHARED_WRAPPER(sprg5, 64)
624SHARED_WRAPPER(sprg6, 64)
625SHARED_WRAPPER(sprg7, 64)
626
627static inline u32 kvmppc_get_sr(struct kvm_vcpu *vcpu, int nr)
628{
629 if (kvmppc_shared_big_endian(vcpu))
630 return be32_to_cpu(vcpu->arch.shared->sr[nr]);
631 else
632 return le32_to_cpu(vcpu->arch.shared->sr[nr]);
633}
634
635static inline void kvmppc_set_sr(struct kvm_vcpu *vcpu, int nr, u32 val)
636{
637 if (kvmppc_shared_big_endian(vcpu))
638 vcpu->arch.shared->sr[nr] = cpu_to_be32(val);
639 else
640 vcpu->arch.shared->sr[nr] = cpu_to_le32(val);
641}
642
643
644
645
646
647
648static inline void kvmppc_fix_ee_before_entry(void)
649{
650 trace_hardirqs_on();
651
652#ifdef CONFIG_PPC64
653
654
655
656
657 WARN_ON(local_paca->irq_happened != PACA_IRQ_HARD_DIS);
658
659
660 local_paca->irq_happened = 0;
661 local_paca->soft_enabled = 1;
662#endif
663}
664
665static inline ulong kvmppc_get_ea_indexed(struct kvm_vcpu *vcpu, int ra, int rb)
666{
667 ulong ea;
668 ulong msr_64bit = 0;
669
670 ea = kvmppc_get_gpr(vcpu, rb);
671 if (ra)
672 ea += kvmppc_get_gpr(vcpu, ra);
673
674#if defined(CONFIG_PPC_BOOK3E_64)
675 msr_64bit = MSR_CM;
676#elif defined(CONFIG_PPC_BOOK3S_64)
677 msr_64bit = MSR_SF;
678#endif
679
680 if (!(kvmppc_get_msr(vcpu) & msr_64bit))
681 ea = (uint32_t)ea;
682
683 return ea;
684}
685
686extern void xics_wake_cpu(int cpu);
687
688#endif
689
