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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_vsx_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
82 unsigned int rt, unsigned int bytes,
83 int is_default_endian, int mmio_sign_extend);
84extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
85 u64 val, unsigned int bytes,
86 int is_default_endian);
87extern int kvmppc_handle_vsx_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
88 int rs, unsigned int bytes,
89 int is_default_endian);
90
91extern int kvmppc_load_last_inst(struct kvm_vcpu *vcpu,
92 enum instruction_type type, u32 *inst);
93
94extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr,
95 bool data);
96extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr,
97 bool data);
98extern int kvmppc_emulate_instruction(struct kvm_run *run,
99 struct kvm_vcpu *vcpu);
100extern int kvmppc_emulate_loadstore(struct kvm_vcpu *vcpu);
101extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu);
102extern void kvmppc_emulate_dec(struct kvm_vcpu *vcpu);
103extern u32 kvmppc_get_dec(struct kvm_vcpu *vcpu, u64 tb);
104extern void kvmppc_decrementer_func(struct kvm_vcpu *vcpu);
105extern int kvmppc_sanity_check(struct kvm_vcpu *vcpu);
106extern int kvmppc_subarch_vcpu_init(struct kvm_vcpu *vcpu);
107extern void kvmppc_subarch_vcpu_uninit(struct kvm_vcpu *vcpu);
108
109
110
111extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr,
112 unsigned int gtlb_idx);
113extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode);
114extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid);
115extern void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu);
116extern int kvmppc_mmu_init(struct kvm_vcpu *vcpu);
117extern int kvmppc_mmu_dtlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
118extern int kvmppc_mmu_itlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
119extern gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index,
120 gva_t eaddr);
121extern void kvmppc_mmu_dtlb_miss(struct kvm_vcpu *vcpu);
122extern void kvmppc_mmu_itlb_miss(struct kvm_vcpu *vcpu);
123extern int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr,
124 enum xlate_instdata xlid, enum xlate_readwrite xlrw,
125 struct kvmppc_pte *pte);
126
127extern struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm,
128 unsigned int id);
129extern void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu);
130extern int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu);
131extern int kvmppc_core_check_processor_compat(void);
132extern int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu,
133 struct kvm_translation *tr);
134
135extern void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
136extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu);
137
138extern int kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu);
139extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu);
140extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags);
141extern void kvmppc_core_queue_fpunavail(struct kvm_vcpu *vcpu);
142extern void kvmppc_core_queue_vec_unavail(struct kvm_vcpu *vcpu);
143extern void kvmppc_core_queue_vsx_unavail(struct kvm_vcpu *vcpu);
144extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu);
145extern void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu);
146extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
147 struct kvm_interrupt *irq);
148extern void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu);
149extern void kvmppc_core_queue_dtlb_miss(struct kvm_vcpu *vcpu, ulong dear_flags,
150 ulong esr_flags);
151extern void kvmppc_core_queue_data_storage(struct kvm_vcpu *vcpu,
152 ulong dear_flags,
153 ulong esr_flags);
154extern void kvmppc_core_queue_itlb_miss(struct kvm_vcpu *vcpu);
155extern void kvmppc_core_queue_inst_storage(struct kvm_vcpu *vcpu,
156 ulong esr_flags);
157extern void kvmppc_core_flush_tlb(struct kvm_vcpu *vcpu);
158extern int kvmppc_core_check_requests(struct kvm_vcpu *vcpu);
159
160extern int kvmppc_booke_init(void);
161extern void kvmppc_booke_exit(void);
162
163extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu);
164extern int kvmppc_kvm_pv(struct kvm_vcpu *vcpu);
165extern void kvmppc_map_magic(struct kvm_vcpu *vcpu);
166
167extern int kvmppc_allocate_hpt(struct kvm_hpt_info *info, u32 order);
168extern void kvmppc_set_hpt(struct kvm *kvm, struct kvm_hpt_info *info);
169extern long kvmppc_alloc_reset_hpt(struct kvm *kvm, int order);
170extern void kvmppc_free_hpt(struct kvm_hpt_info *info);
171extern void kvmppc_rmap_reset(struct kvm *kvm);
172extern long kvmppc_prepare_vrma(struct kvm *kvm,
173 struct kvm_userspace_memory_region *mem);
174extern void kvmppc_map_vrma(struct kvm_vcpu *vcpu,
175 struct kvm_memory_slot *memslot, unsigned long porder);
176extern int kvmppc_pseries_do_hcall(struct kvm_vcpu *vcpu);
177extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd,
178 struct iommu_group *grp);
179extern void kvm_spapr_tce_release_iommu_group(struct kvm *kvm,
180 struct iommu_group *grp);
181extern int kvmppc_switch_mmu_to_hpt(struct kvm *kvm);
182extern int kvmppc_switch_mmu_to_radix(struct kvm *kvm);
183extern void kvmppc_setup_partition_table(struct kvm *kvm);
184
185extern long kvm_vm_ioctl_create_spapr_tce(struct kvm *kvm,
186 struct kvm_create_spapr_tce_64 *args);
187extern struct kvmppc_spapr_tce_table *kvmppc_find_table(
188 struct kvm *kvm, unsigned long liobn);
189#define kvmppc_ioba_validate(stt, ioba, npages) \
190 (iommu_tce_check_ioba((stt)->page_shift, (stt)->offset, \
191 (stt)->size, (ioba), (npages)) ? \
192 H_PARAMETER : H_SUCCESS)
193extern long kvmppc_tce_validate(struct kvmppc_spapr_tce_table *tt,
194 unsigned long tce);
195extern long kvmppc_gpa_to_ua(struct kvm *kvm, unsigned long gpa,
196 unsigned long *ua, unsigned long **prmap);
197extern void kvmppc_tce_put(struct kvmppc_spapr_tce_table *tt,
198 unsigned long idx, unsigned long tce);
199extern long kvmppc_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn,
200 unsigned long ioba, unsigned long tce);
201extern long kvmppc_h_put_tce_indirect(struct kvm_vcpu *vcpu,
202 unsigned long liobn, unsigned long ioba,
203 unsigned long tce_list, unsigned long npages);
204extern long kvmppc_h_stuff_tce(struct kvm_vcpu *vcpu,
205 unsigned long liobn, unsigned long ioba,
206 unsigned long tce_value, unsigned long npages);
207extern long kvmppc_h_get_tce(struct kvm_vcpu *vcpu, unsigned long liobn,
208 unsigned long ioba);
209extern struct page *kvm_alloc_hpt_cma(unsigned long nr_pages);
210extern void kvm_free_hpt_cma(struct page *page, unsigned long nr_pages);
211extern int kvmppc_core_init_vm(struct kvm *kvm);
212extern void kvmppc_core_destroy_vm(struct kvm *kvm);
213extern void kvmppc_core_free_memslot(struct kvm *kvm,
214 struct kvm_memory_slot *free,
215 struct kvm_memory_slot *dont);
216extern int kvmppc_core_create_memslot(struct kvm *kvm,
217 struct kvm_memory_slot *slot,
218 unsigned long npages);
219extern int kvmppc_core_prepare_memory_region(struct kvm *kvm,
220 struct kvm_memory_slot *memslot,
221 const struct kvm_userspace_memory_region *mem);
222extern void kvmppc_core_commit_memory_region(struct kvm *kvm,
223 const struct kvm_userspace_memory_region *mem,
224 const struct kvm_memory_slot *old,
225 const struct kvm_memory_slot *new);
226extern int kvm_vm_ioctl_get_smmu_info(struct kvm *kvm,
227 struct kvm_ppc_smmu_info *info);
228extern void kvmppc_core_flush_memslot(struct kvm *kvm,
229 struct kvm_memory_slot *memslot);
230
231extern int kvmppc_bookehv_init(void);
232extern void kvmppc_bookehv_exit(void);
233
234extern int kvmppc_prepare_to_enter(struct kvm_vcpu *vcpu);
235
236extern int kvm_vm_ioctl_get_htab_fd(struct kvm *kvm, struct kvm_get_htab_fd *);
237extern long kvm_vm_ioctl_resize_hpt_prepare(struct kvm *kvm,
238 struct kvm_ppc_resize_hpt *rhpt);
239extern long kvm_vm_ioctl_resize_hpt_commit(struct kvm *kvm,
240 struct kvm_ppc_resize_hpt *rhpt);
241
242int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, struct kvm_interrupt *irq);
243
244extern int kvm_vm_ioctl_rtas_define_token(struct kvm *kvm, void __user *argp);
245extern int kvmppc_rtas_hcall(struct kvm_vcpu *vcpu);
246extern void kvmppc_rtas_tokens_free(struct kvm *kvm);
247
248extern int kvmppc_xics_set_xive(struct kvm *kvm, u32 irq, u32 server,
249 u32 priority);
250extern int kvmppc_xics_get_xive(struct kvm *kvm, u32 irq, u32 *server,
251 u32 *priority);
252extern int kvmppc_xics_int_on(struct kvm *kvm, u32 irq);
253extern int kvmppc_xics_int_off(struct kvm *kvm, u32 irq);
254
255void kvmppc_core_dequeue_debug(struct kvm_vcpu *vcpu);
256void kvmppc_core_queue_debug(struct kvm_vcpu *vcpu);
257
258union kvmppc_one_reg {
259 u32 wval;
260 u64 dval;
261 vector128 vval;
262 u64 vsxval[2];
263 u32 vsx32val[4];
264 struct {
265 u64 addr;
266 u64 length;
267 } vpaval;
268};
269
270struct kvmppc_ops {
271 struct module *owner;
272 int (*get_sregs)(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
273 int (*set_sregs)(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
274 int (*get_one_reg)(struct kvm_vcpu *vcpu, u64 id,
275 union kvmppc_one_reg *val);
276 int (*set_one_reg)(struct kvm_vcpu *vcpu, u64 id,
277 union kvmppc_one_reg *val);
278 void (*vcpu_load)(struct kvm_vcpu *vcpu, int cpu);
279 void (*vcpu_put)(struct kvm_vcpu *vcpu);
280 void (*set_msr)(struct kvm_vcpu *vcpu, u64 msr);
281 int (*vcpu_run)(struct kvm_run *run, struct kvm_vcpu *vcpu);
282 struct kvm_vcpu *(*vcpu_create)(struct kvm *kvm, unsigned int id);
283 void (*vcpu_free)(struct kvm_vcpu *vcpu);
284 int (*check_requests)(struct kvm_vcpu *vcpu);
285 int (*get_dirty_log)(struct kvm *kvm, struct kvm_dirty_log *log);
286 void (*flush_memslot)(struct kvm *kvm, struct kvm_memory_slot *memslot);
287 int (*prepare_memory_region)(struct kvm *kvm,
288 struct kvm_memory_slot *memslot,
289 const struct kvm_userspace_memory_region *mem);
290 void (*commit_memory_region)(struct kvm *kvm,
291 const struct kvm_userspace_memory_region *mem,
292 const struct kvm_memory_slot *old,
293 const struct kvm_memory_slot *new);
294 int (*unmap_hva)(struct kvm *kvm, unsigned long hva);
295 int (*unmap_hva_range)(struct kvm *kvm, unsigned long start,
296 unsigned long end);
297 int (*age_hva)(struct kvm *kvm, unsigned long start, unsigned long end);
298 int (*test_age_hva)(struct kvm *kvm, unsigned long hva);
299 void (*set_spte_hva)(struct kvm *kvm, unsigned long hva, pte_t pte);
300 void (*mmu_destroy)(struct kvm_vcpu *vcpu);
301 void (*free_memslot)(struct kvm_memory_slot *free,
302 struct kvm_memory_slot *dont);
303 int (*create_memslot)(struct kvm_memory_slot *slot,
304 unsigned long npages);
305 int (*init_vm)(struct kvm *kvm);
306 void (*destroy_vm)(struct kvm *kvm);
307 int (*get_smmu_info)(struct kvm *kvm, struct kvm_ppc_smmu_info *info);
308 int (*emulate_op)(struct kvm_run *run, struct kvm_vcpu *vcpu,
309 unsigned int inst, int *advance);
310 int (*emulate_mtspr)(struct kvm_vcpu *vcpu, int sprn, ulong spr_val);
311 int (*emulate_mfspr)(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val);
312 void (*fast_vcpu_kick)(struct kvm_vcpu *vcpu);
313 long (*arch_vm_ioctl)(struct file *filp, unsigned int ioctl,
314 unsigned long arg);
315 int (*hcall_implemented)(unsigned long hcall);
316 int (*irq_bypass_add_producer)(struct irq_bypass_consumer *,
317 struct irq_bypass_producer *);
318 void (*irq_bypass_del_producer)(struct irq_bypass_consumer *,
319 struct irq_bypass_producer *);
320 int (*configure_mmu)(struct kvm *kvm, struct kvm_ppc_mmuv3_cfg *cfg);
321 int (*get_rmmu_info)(struct kvm *kvm, struct kvm_ppc_rmmu_info *info);
322 int (*set_smt_mode)(struct kvm *kvm, unsigned long mode,
323 unsigned long flags);
324};
325
326extern struct kvmppc_ops *kvmppc_hv_ops;
327extern struct kvmppc_ops *kvmppc_pr_ops;
328
329static inline int kvmppc_get_last_inst(struct kvm_vcpu *vcpu,
330 enum instruction_type type, u32 *inst)
331{
332 int ret = EMULATE_DONE;
333 u32 fetched_inst;
334
335
336
337 if (vcpu->arch.last_inst == KVM_INST_FETCH_FAILED)
338 ret = kvmppc_load_last_inst(vcpu, type, &vcpu->arch.last_inst);
339
340
341 if (ret == EMULATE_DONE)
342 fetched_inst = kvmppc_need_byteswap(vcpu) ?
343 swab32(vcpu->arch.last_inst) :
344 vcpu->arch.last_inst;
345 else
346 fetched_inst = vcpu->arch.last_inst;
347
348 *inst = fetched_inst;
349 return ret;
350}
351
352static inline bool is_kvmppc_hv_enabled(struct kvm *kvm)
353{
354 return kvm->arch.kvm_ops == kvmppc_hv_ops;
355}
356
357extern int kvmppc_hwrng_present(void);
358
359
360
361
362
363static inline u32 kvmppc_get_field(u64 inst, int msb, int lsb)
364{
365 u32 r;
366 u32 mask;
367
368 BUG_ON(msb > lsb);
369
370 mask = (1 << (lsb - msb + 1)) - 1;
371 r = (inst >> (63 - lsb)) & mask;
372
373 return r;
374}
375
376
377
378
379static inline u32 kvmppc_set_field(u64 inst, int msb, int lsb, int value)
380{
381 u32 r;
382 u32 mask;
383
384 BUG_ON(msb > lsb);
385
386 mask = ((1 << (lsb - msb + 1)) - 1) << (63 - lsb);
387 r = (inst & ~mask) | ((value << (63 - lsb)) & mask);
388
389 return r;
390}
391
392#define one_reg_size(id) \
393 (1ul << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT))
394
395#define get_reg_val(id, reg) ({ \
396 union kvmppc_one_reg __u; \
397 switch (one_reg_size(id)) { \
398 case 4: __u.wval = (reg); break; \
399 case 8: __u.dval = (reg); break; \
400 default: BUG(); \
401 } \
402 __u; \
403})
404
405
406#define set_reg_val(id, val) ({ \
407 u64 __v; \
408 switch (one_reg_size(id)) { \
409 case 4: __v = (val).wval; break; \
410 case 8: __v = (val).dval; break; \
411 default: BUG(); \
412 } \
413 __v; \
414})
415
416int kvmppc_core_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
417int kvmppc_core_set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
418
419int kvmppc_get_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
420int kvmppc_set_sregs_ivor(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs);
421
422int kvm_vcpu_ioctl_get_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg);
423int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg);
424int kvmppc_get_one_reg(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *);
425int kvmppc_set_one_reg(struct kvm_vcpu *vcpu, u64 id, union kvmppc_one_reg *);
426
427void kvmppc_set_pid(struct kvm_vcpu *vcpu, u32 pid);
428
429struct openpic;
430
431#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
432extern void kvm_cma_reserve(void) __init;
433static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr)
434{
435 paca[cpu].kvm_hstate.xics_phys = (void __iomem *)addr;
436}
437
438static inline void kvmppc_set_xive_tima(int cpu,
439 unsigned long phys_addr,
440 void __iomem *virt_addr)
441{
442 paca[cpu].kvm_hstate.xive_tima_phys = (void __iomem *)phys_addr;
443 paca[cpu].kvm_hstate.xive_tima_virt = virt_addr;
444}
445
446static inline u32 kvmppc_get_xics_latch(void)
447{
448 u32 xirr;
449
450 xirr = get_paca()->kvm_hstate.saved_xirr;
451 get_paca()->kvm_hstate.saved_xirr = 0;
452 return xirr;
453}
454
455static inline void kvmppc_set_host_ipi(int cpu, u8 host_ipi)
456{
457 paca[cpu].kvm_hstate.host_ipi = host_ipi;
458}
459
460static inline void kvmppc_fast_vcpu_kick(struct kvm_vcpu *vcpu)
461{
462 vcpu->kvm->arch.kvm_ops->fast_vcpu_kick(vcpu);
463}
464
465extern void kvm_hv_vm_activated(void);
466extern void kvm_hv_vm_deactivated(void);
467extern bool kvm_hv_mode_active(void);
468
469#else
470static inline void __init kvm_cma_reserve(void)
471{}
472
473static inline void kvmppc_set_xics_phys(int cpu, unsigned long addr)
474{}
475
476static inline void kvmppc_set_xive_tima(int cpu,
477 unsigned long phys_addr,
478 void __iomem *virt_addr)
479{}
480
481static inline u32 kvmppc_get_xics_latch(void)
482{
483 return 0;
484}
485
486static inline void kvmppc_set_host_ipi(int cpu, u8 host_ipi)
487{}
488
489static inline void kvmppc_fast_vcpu_kick(struct kvm_vcpu *vcpu)
490{
491 kvm_vcpu_kick(vcpu);
492}
493
494static inline bool kvm_hv_mode_active(void) { return false; }
495
496#endif
497
498#ifdef CONFIG_KVM_XICS
499static inline int kvmppc_xics_enabled(struct kvm_vcpu *vcpu)
500{
501 return vcpu->arch.irq_type == KVMPPC_IRQ_XICS;
502}
503
504static inline struct kvmppc_passthru_irqmap *kvmppc_get_passthru_irqmap(
505 struct kvm *kvm)
506{
507 if (kvm && kvm_irq_bypass)
508 return kvm->arch.pimap;
509 return NULL;
510}
511
512extern void kvmppc_alloc_host_rm_ops(void);
513extern void kvmppc_free_host_rm_ops(void);
514extern void kvmppc_free_pimap(struct kvm *kvm);
515extern int kvmppc_xics_rm_complete(struct kvm_vcpu *vcpu, u32 hcall);
516extern void kvmppc_xics_free_icp(struct kvm_vcpu *vcpu);
517extern int kvmppc_xics_hcall(struct kvm_vcpu *vcpu, u32 cmd);
518extern u64 kvmppc_xics_get_icp(struct kvm_vcpu *vcpu);
519extern int kvmppc_xics_set_icp(struct kvm_vcpu *vcpu, u64 icpval);
520extern int kvmppc_xics_connect_vcpu(struct kvm_device *dev,
521 struct kvm_vcpu *vcpu, u32 cpu);
522extern void kvmppc_xics_ipi_action(void);
523extern void kvmppc_xics_set_mapped(struct kvm *kvm, unsigned long guest_irq,
524 unsigned long host_irq);
525extern void kvmppc_xics_clr_mapped(struct kvm *kvm, unsigned long guest_irq,
526 unsigned long host_irq);
527extern long kvmppc_deliver_irq_passthru(struct kvm_vcpu *vcpu, __be32 xirr,
528 struct kvmppc_irq_map *irq_map,
529 struct kvmppc_passthru_irqmap *pimap,
530 bool *again);
531
532extern int kvmppc_xics_set_irq(struct kvm *kvm, int irq_source_id, u32 irq,
533 int level, bool line_status);
534
535extern int h_ipi_redirect;
536#else
537static inline struct kvmppc_passthru_irqmap *kvmppc_get_passthru_irqmap(
538 struct kvm *kvm)
539 { return NULL; }
540static inline void kvmppc_alloc_host_rm_ops(void) {};
541static inline void kvmppc_free_host_rm_ops(void) {};
542static inline void kvmppc_free_pimap(struct kvm *kvm) {};
543static inline int kvmppc_xics_rm_complete(struct kvm_vcpu *vcpu, u32 hcall)
544 { return 0; }
545static inline int kvmppc_xics_enabled(struct kvm_vcpu *vcpu)
546 { return 0; }
547static inline void kvmppc_xics_free_icp(struct kvm_vcpu *vcpu) { }
548static inline int kvmppc_xics_hcall(struct kvm_vcpu *vcpu, u32 cmd)
549 { return 0; }
550#endif
551
552#ifdef CONFIG_KVM_XIVE
553
554
555
556
557
558
559
560
561extern int kvmppc_xive_set_xive(struct kvm *kvm, u32 irq, u32 server,
562 u32 priority);
563extern int kvmppc_xive_get_xive(struct kvm *kvm, u32 irq, u32 *server,
564 u32 *priority);
565extern int kvmppc_xive_int_on(struct kvm *kvm, u32 irq);
566extern int kvmppc_xive_int_off(struct kvm *kvm, u32 irq);
567extern void kvmppc_xive_init_module(void);
568extern void kvmppc_xive_exit_module(void);
569
570extern int kvmppc_xive_connect_vcpu(struct kvm_device *dev,
571 struct kvm_vcpu *vcpu, u32 cpu);
572extern void kvmppc_xive_cleanup_vcpu(struct kvm_vcpu *vcpu);
573extern int kvmppc_xive_set_mapped(struct kvm *kvm, unsigned long guest_irq,
574 struct irq_desc *host_desc);
575extern int kvmppc_xive_clr_mapped(struct kvm *kvm, unsigned long guest_irq,
576 struct irq_desc *host_desc);
577extern u64 kvmppc_xive_get_icp(struct kvm_vcpu *vcpu);
578extern int kvmppc_xive_set_icp(struct kvm_vcpu *vcpu, u64 icpval);
579
580extern int kvmppc_xive_set_irq(struct kvm *kvm, int irq_source_id, u32 irq,
581 int level, bool line_status);
582#else
583static inline int kvmppc_xive_set_xive(struct kvm *kvm, u32 irq, u32 server,
584 u32 priority) { return -1; }
585static inline int kvmppc_xive_get_xive(struct kvm *kvm, u32 irq, u32 *server,
586 u32 *priority) { return -1; }
587static inline int kvmppc_xive_int_on(struct kvm *kvm, u32 irq) { return -1; }
588static inline int kvmppc_xive_int_off(struct kvm *kvm, u32 irq) { return -1; }
589static inline void kvmppc_xive_init_module(void) { }
590static inline void kvmppc_xive_exit_module(void) { }
591
592static inline int kvmppc_xive_connect_vcpu(struct kvm_device *dev,
593 struct kvm_vcpu *vcpu, u32 cpu) { return -EBUSY; }
594static inline void kvmppc_xive_cleanup_vcpu(struct kvm_vcpu *vcpu) { }
595static inline int kvmppc_xive_set_mapped(struct kvm *kvm, unsigned long guest_irq,
596 struct irq_desc *host_desc) { return -ENODEV; }
597static inline int kvmppc_xive_clr_mapped(struct kvm *kvm, unsigned long guest_irq,
598 struct irq_desc *host_desc) { return -ENODEV; }
599static inline u64 kvmppc_xive_get_icp(struct kvm_vcpu *vcpu) { return 0; }
600static inline int kvmppc_xive_set_icp(struct kvm_vcpu *vcpu, u64 icpval) { return -ENOENT; }
601
602static inline int kvmppc_xive_set_irq(struct kvm *kvm, int irq_source_id, u32 irq,
603 int level, bool line_status) { return -ENODEV; }
604#endif
605
606
607
608
609
610long kvmppc_rm_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn,
611 unsigned long ioba, unsigned long tce);
612long kvmppc_rm_h_put_tce_indirect(struct kvm_vcpu *vcpu,
613 unsigned long liobn, unsigned long ioba,
614 unsigned long tce_list, unsigned long npages);
615long kvmppc_rm_h_stuff_tce(struct kvm_vcpu *vcpu,
616 unsigned long liobn, unsigned long ioba,
617 unsigned long tce_value, unsigned long npages);
618long int kvmppc_rm_h_confer(struct kvm_vcpu *vcpu, int target,
619 unsigned int yield_count);
620long kvmppc_h_random(struct kvm_vcpu *vcpu);
621void kvmhv_commence_exit(int trap);
622long kvmppc_realmode_machine_check(struct kvm_vcpu *vcpu);
623void kvmppc_subcore_enter_guest(void);
624void kvmppc_subcore_exit_guest(void);
625long kvmppc_realmode_hmi_handler(void);
626long kvmppc_h_enter(struct kvm_vcpu *vcpu, unsigned long flags,
627 long pte_index, unsigned long pteh, unsigned long ptel);
628long kvmppc_h_remove(struct kvm_vcpu *vcpu, unsigned long flags,
629 unsigned long pte_index, unsigned long avpn);
630long kvmppc_h_bulk_remove(struct kvm_vcpu *vcpu);
631long kvmppc_h_protect(struct kvm_vcpu *vcpu, unsigned long flags,
632 unsigned long pte_index, unsigned long avpn,
633 unsigned long va);
634long kvmppc_h_read(struct kvm_vcpu *vcpu, unsigned long flags,
635 unsigned long pte_index);
636long kvmppc_h_clear_ref(struct kvm_vcpu *vcpu, unsigned long flags,
637 unsigned long pte_index);
638long kvmppc_h_clear_mod(struct kvm_vcpu *vcpu, unsigned long flags,
639 unsigned long pte_index);
640long kvmppc_hpte_hv_fault(struct kvm_vcpu *vcpu, unsigned long addr,
641 unsigned long slb_v, unsigned int status, bool data);
642unsigned long kvmppc_rm_h_xirr(struct kvm_vcpu *vcpu);
643unsigned long kvmppc_rm_h_xirr_x(struct kvm_vcpu *vcpu);
644unsigned long kvmppc_rm_h_ipoll(struct kvm_vcpu *vcpu, unsigned long server);
645int kvmppc_rm_h_ipi(struct kvm_vcpu *vcpu, unsigned long server,
646 unsigned long mfrr);
647int kvmppc_rm_h_cppr(struct kvm_vcpu *vcpu, unsigned long cppr);
648int kvmppc_rm_h_eoi(struct kvm_vcpu *vcpu, unsigned long xirr);
649
650
651
652
653
654
655
656union kvmppc_rm_state {
657 unsigned long raw;
658 struct {
659 u32 in_host;
660 u32 rm_action;
661 };
662};
663
664struct kvmppc_host_rm_core {
665 union kvmppc_rm_state rm_state;
666 void *rm_data;
667 char pad[112];
668};
669
670struct kvmppc_host_rm_ops {
671 struct kvmppc_host_rm_core *rm_core;
672 void (*vcpu_kick)(struct kvm_vcpu *vcpu);
673};
674
675extern struct kvmppc_host_rm_ops *kvmppc_host_rm_ops_hv;
676
677static inline unsigned long kvmppc_get_epr(struct kvm_vcpu *vcpu)
678{
679#ifdef CONFIG_KVM_BOOKE_HV
680 return mfspr(SPRN_GEPR);
681#elif defined(CONFIG_BOOKE)
682 return vcpu->arch.epr;
683#else
684 return 0;
685#endif
686}
687
688static inline void kvmppc_set_epr(struct kvm_vcpu *vcpu, u32 epr)
689{
690#ifdef CONFIG_KVM_BOOKE_HV
691 mtspr(SPRN_GEPR, epr);
692#elif defined(CONFIG_BOOKE)
693 vcpu->arch.epr = epr;
694#endif
695}
696
697#ifdef CONFIG_KVM_MPIC
698
699void kvmppc_mpic_set_epr(struct kvm_vcpu *vcpu);
700int kvmppc_mpic_connect_vcpu(struct kvm_device *dev, struct kvm_vcpu *vcpu,
701 u32 cpu);
702void kvmppc_mpic_disconnect_vcpu(struct openpic *opp, struct kvm_vcpu *vcpu);
703
704#else
705
706static inline void kvmppc_mpic_set_epr(struct kvm_vcpu *vcpu)
707{
708}
709
710static inline int kvmppc_mpic_connect_vcpu(struct kvm_device *dev,
711 struct kvm_vcpu *vcpu, u32 cpu)
712{
713 return -EINVAL;
714}
715
716static inline void kvmppc_mpic_disconnect_vcpu(struct openpic *opp,
717 struct kvm_vcpu *vcpu)
718{
719}
720
721#endif
722
723int kvm_vcpu_ioctl_config_tlb(struct kvm_vcpu *vcpu,
724 struct kvm_config_tlb *cfg);
725int kvm_vcpu_ioctl_dirty_tlb(struct kvm_vcpu *vcpu,
726 struct kvm_dirty_tlb *cfg);
727
728long kvmppc_alloc_lpid(void);
729void kvmppc_claim_lpid(long lpid);
730void kvmppc_free_lpid(long lpid);
731void kvmppc_init_lpid(unsigned long nr_lpids);
732
733static inline void kvmppc_mmu_flush_icache(kvm_pfn_t pfn)
734{
735 struct page *page;
736
737
738
739
740 if (!pfn_valid(pfn))
741 return;
742
743
744 page = pfn_to_page(pfn);
745 if (!test_bit(PG_arch_1, &page->flags)) {
746 flush_dcache_icache_page(page);
747 set_bit(PG_arch_1, &page->flags);
748 }
749}
750
751
752
753
754
755static inline bool kvmppc_shared_big_endian(struct kvm_vcpu *vcpu)
756{
757#if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE)
758
759 return vcpu->arch.shared_big_endian;
760#elif defined(CONFIG_PPC_BOOK3S_64) && defined(__LITTLE_ENDIAN__)
761
762 return false;
763#else
764 return true;
765#endif
766}
767
768#define SPRNG_WRAPPER_GET(reg, bookehv_spr) \
769static inline ulong kvmppc_get_##reg(struct kvm_vcpu *vcpu) \
770{ \
771 return mfspr(bookehv_spr); \
772} \
773
774#define SPRNG_WRAPPER_SET(reg, bookehv_spr) \
775static inline void kvmppc_set_##reg(struct kvm_vcpu *vcpu, ulong val) \
776{ \
777 mtspr(bookehv_spr, val); \
778} \
779
780#define SHARED_WRAPPER_GET(reg, size) \
781static inline u##size kvmppc_get_##reg(struct kvm_vcpu *vcpu) \
782{ \
783 if (kvmppc_shared_big_endian(vcpu)) \
784 return be##size##_to_cpu(vcpu->arch.shared->reg); \
785 else \
786 return le##size##_to_cpu(vcpu->arch.shared->reg); \
787} \
788
789#define SHARED_WRAPPER_SET(reg, size) \
790static inline void kvmppc_set_##reg(struct kvm_vcpu *vcpu, u##size val) \
791{ \
792 if (kvmppc_shared_big_endian(vcpu)) \
793 vcpu->arch.shared->reg = cpu_to_be##size(val); \
794 else \
795 vcpu->arch.shared->reg = cpu_to_le##size(val); \
796} \
797
798#define SHARED_WRAPPER(reg, size) \
799 SHARED_WRAPPER_GET(reg, size) \
800 SHARED_WRAPPER_SET(reg, size) \
801
802#define SPRNG_WRAPPER(reg, bookehv_spr) \
803 SPRNG_WRAPPER_GET(reg, bookehv_spr) \
804 SPRNG_WRAPPER_SET(reg, bookehv_spr) \
805
806#ifdef CONFIG_KVM_BOOKE_HV
807
808#define SHARED_SPRNG_WRAPPER(reg, size, bookehv_spr) \
809 SPRNG_WRAPPER(reg, bookehv_spr) \
810
811#else
812
813#define SHARED_SPRNG_WRAPPER(reg, size, bookehv_spr) \
814 SHARED_WRAPPER(reg, size) \
815
816#endif
817
818SHARED_WRAPPER(critical, 64)
819SHARED_SPRNG_WRAPPER(sprg0, 64, SPRN_GSPRG0)
820SHARED_SPRNG_WRAPPER(sprg1, 64, SPRN_GSPRG1)
821SHARED_SPRNG_WRAPPER(sprg2, 64, SPRN_GSPRG2)
822SHARED_SPRNG_WRAPPER(sprg3, 64, SPRN_GSPRG3)
823SHARED_SPRNG_WRAPPER(srr0, 64, SPRN_GSRR0)
824SHARED_SPRNG_WRAPPER(srr1, 64, SPRN_GSRR1)
825SHARED_SPRNG_WRAPPER(dar, 64, SPRN_GDEAR)
826SHARED_SPRNG_WRAPPER(esr, 64, SPRN_GESR)
827SHARED_WRAPPER_GET(msr, 64)
828static inline void kvmppc_set_msr_fast(struct kvm_vcpu *vcpu, u64 val)
829{
830 if (kvmppc_shared_big_endian(vcpu))
831 vcpu->arch.shared->msr = cpu_to_be64(val);
832 else
833 vcpu->arch.shared->msr = cpu_to_le64(val);
834}
835SHARED_WRAPPER(dsisr, 32)
836SHARED_WRAPPER(int_pending, 32)
837SHARED_WRAPPER(sprg4, 64)
838SHARED_WRAPPER(sprg5, 64)
839SHARED_WRAPPER(sprg6, 64)
840SHARED_WRAPPER(sprg7, 64)
841
842static inline u32 kvmppc_get_sr(struct kvm_vcpu *vcpu, int nr)
843{
844 if (kvmppc_shared_big_endian(vcpu))
845 return be32_to_cpu(vcpu->arch.shared->sr[nr]);
846 else
847 return le32_to_cpu(vcpu->arch.shared->sr[nr]);
848}
849
850static inline void kvmppc_set_sr(struct kvm_vcpu *vcpu, int nr, u32 val)
851{
852 if (kvmppc_shared_big_endian(vcpu))
853 vcpu->arch.shared->sr[nr] = cpu_to_be32(val);
854 else
855 vcpu->arch.shared->sr[nr] = cpu_to_le32(val);
856}
857
858
859
860
861
862
863static inline void kvmppc_fix_ee_before_entry(void)
864{
865 trace_hardirqs_on();
866
867#ifdef CONFIG_PPC64
868
869
870
871
872 WARN_ON(local_paca->irq_happened != PACA_IRQ_HARD_DIS);
873
874
875 local_paca->irq_happened = 0;
876 local_paca->soft_enabled = 1;
877#endif
878}
879
880static inline ulong kvmppc_get_ea_indexed(struct kvm_vcpu *vcpu, int ra, int rb)
881{
882 ulong ea;
883 ulong msr_64bit = 0;
884
885 ea = kvmppc_get_gpr(vcpu, rb);
886 if (ra)
887 ea += kvmppc_get_gpr(vcpu, ra);
888
889#if defined(CONFIG_PPC_BOOK3E_64)
890 msr_64bit = MSR_CM;
891#elif defined(CONFIG_PPC_BOOK3S_64)
892 msr_64bit = MSR_SF;
893#endif
894
895 if (!(kvmppc_get_msr(vcpu) & msr_64bit))
896 ea = (uint32_t)ea;
897
898 return ea;
899}
900
901extern void xics_wake_cpu(int cpu);
902
903#endif
904
