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1 | #ifndef __KVM_HOST_H |
2 | #define __KVM_HOST_H |
3 | |
4 | /* |
5 | * This work is licensed under the terms of the GNU GPL, version 2. See |
6 | * the COPYING file in the top-level directory. |
7 | */ |
8 | |
9 | #include <linux/types.h> |
10 | #include <linux/hardirq.h> |
11 | #include <linux/list.h> |
12 | #include <linux/mutex.h> |
13 | #include <linux/spinlock.h> |
14 | #include <linux/signal.h> |
15 | #include <linux/sched.h> |
16 | #include <linux/mm.h> |
17 | #include <linux/preempt.h> |
18 | #include <linux/msi.h> |
19 | #include <asm/signal.h> |
20 | |
21 | #include <linux/kvm.h> |
22 | #include <linux/kvm_para.h> |
23 | |
24 | #include <linux/kvm_types.h> |
25 | |
26 | #include <asm/kvm_host.h> |
27 | |
28 | /* |
29 | * vcpu->requests bit members |
30 | */ |
31 | #define KVM_REQ_TLB_FLUSH 0 |
32 | #define KVM_REQ_MIGRATE_TIMER 1 |
33 | #define KVM_REQ_REPORT_TPR_ACCESS 2 |
34 | #define KVM_REQ_MMU_RELOAD 3 |
35 | #define KVM_REQ_TRIPLE_FAULT 4 |
36 | #define KVM_REQ_PENDING_TIMER 5 |
37 | #define KVM_REQ_UNHALT 6 |
38 | #define KVM_REQ_MMU_SYNC 7 |
39 | #define KVM_REQ_KVMCLOCK_UPDATE 8 |
40 | #define KVM_REQ_KICK 9 |
41 | |
42 | #define KVM_USERSPACE_IRQ_SOURCE_ID 0 |
43 | |
44 | struct kvm; |
45 | struct kvm_vcpu; |
46 | extern struct kmem_cache *kvm_vcpu_cache; |
47 | |
48 | /* |
49 | * It would be nice to use something smarter than a linear search, TBD... |
50 | * Thankfully we dont expect many devices to register (famous last words :), |
51 | * so until then it will suffice. At least its abstracted so we can change |
52 | * in one place. |
53 | */ |
54 | struct kvm_io_bus { |
55 | int dev_count; |
56 | #define NR_IOBUS_DEVS 6 |
57 | struct kvm_io_device *devs[NR_IOBUS_DEVS]; |
58 | }; |
59 | |
60 | void kvm_io_bus_init(struct kvm_io_bus *bus); |
61 | void kvm_io_bus_destroy(struct kvm_io_bus *bus); |
62 | int kvm_io_bus_write(struct kvm_io_bus *bus, gpa_t addr, int len, |
63 | const void *val); |
64 | int kvm_io_bus_read(struct kvm_io_bus *bus, gpa_t addr, int len, |
65 | void *val); |
66 | int __kvm_io_bus_register_dev(struct kvm_io_bus *bus, |
67 | struct kvm_io_device *dev); |
68 | int kvm_io_bus_register_dev(struct kvm *kvm, struct kvm_io_bus *bus, |
69 | struct kvm_io_device *dev); |
70 | void __kvm_io_bus_unregister_dev(struct kvm_io_bus *bus, |
71 | struct kvm_io_device *dev); |
72 | void kvm_io_bus_unregister_dev(struct kvm *kvm, struct kvm_io_bus *bus, |
73 | struct kvm_io_device *dev); |
74 | |
75 | struct kvm_vcpu { |
76 | struct kvm *kvm; |
77 | #ifdef CONFIG_PREEMPT_NOTIFIERS |
78 | struct preempt_notifier preempt_notifier; |
79 | #endif |
80 | int vcpu_id; |
81 | struct mutex mutex; |
82 | int cpu; |
83 | struct kvm_run *run; |
84 | unsigned long requests; |
85 | unsigned long guest_debug; |
86 | int fpu_active; |
87 | int guest_fpu_loaded; |
88 | wait_queue_head_t wq; |
89 | int sigset_active; |
90 | sigset_t sigset; |
91 | struct kvm_vcpu_stat stat; |
92 | |
93 | #ifdef CONFIG_HAS_IOMEM |
94 | int mmio_needed; |
95 | int mmio_read_completed; |
96 | int mmio_is_write; |
97 | int mmio_size; |
98 | unsigned char mmio_data[8]; |
99 | gpa_t mmio_phys_addr; |
100 | #endif |
101 | |
102 | struct kvm_vcpu_arch arch; |
103 | }; |
104 | |
105 | struct kvm_memory_slot { |
106 | gfn_t base_gfn; |
107 | unsigned long npages; |
108 | unsigned long flags; |
109 | unsigned long *rmap; |
110 | unsigned long *dirty_bitmap; |
111 | struct { |
112 | unsigned long rmap_pde; |
113 | int write_count; |
114 | } *lpage_info[KVM_NR_PAGE_SIZES - 1]; |
115 | unsigned long userspace_addr; |
116 | int user_alloc; |
117 | }; |
118 | |
119 | struct kvm_kernel_irq_routing_entry { |
120 | u32 gsi; |
121 | u32 type; |
122 | int (*set)(struct kvm_kernel_irq_routing_entry *e, |
123 | struct kvm *kvm, int level); |
124 | union { |
125 | struct { |
126 | unsigned irqchip; |
127 | unsigned pin; |
128 | } irqchip; |
129 | struct msi_msg msi; |
130 | }; |
131 | struct list_head link; |
132 | }; |
133 | |
134 | struct kvm { |
135 | spinlock_t mmu_lock; |
136 | spinlock_t requests_lock; |
137 | struct rw_semaphore slots_lock; |
138 | struct mm_struct *mm; /* userspace tied to this vm */ |
139 | int nmemslots; |
140 | struct kvm_memory_slot memslots[KVM_MEMORY_SLOTS + |
141 | KVM_PRIVATE_MEM_SLOTS]; |
142 | #ifdef CONFIG_KVM_APIC_ARCHITECTURE |
143 | u32 bsp_vcpu_id; |
144 | struct kvm_vcpu *bsp_vcpu; |
145 | #endif |
146 | struct kvm_vcpu *vcpus[KVM_MAX_VCPUS]; |
147 | atomic_t online_vcpus; |
148 | struct list_head vm_list; |
149 | struct mutex lock; |
150 | struct kvm_io_bus mmio_bus; |
151 | struct kvm_io_bus pio_bus; |
152 | #ifdef CONFIG_HAVE_KVM_EVENTFD |
153 | struct { |
154 | spinlock_t lock; |
155 | struct list_head items; |
156 | } irqfds; |
157 | struct list_head ioeventfds; |
158 | #endif |
159 | struct kvm_vm_stat stat; |
160 | struct kvm_arch arch; |
161 | atomic_t users_count; |
162 | #ifdef KVM_COALESCED_MMIO_PAGE_OFFSET |
163 | struct kvm_coalesced_mmio_dev *coalesced_mmio_dev; |
164 | struct kvm_coalesced_mmio_ring *coalesced_mmio_ring; |
165 | #endif |
166 | |
167 | struct mutex irq_lock; |
168 | #ifdef CONFIG_HAVE_KVM_IRQCHIP |
169 | struct list_head irq_routing; /* of kvm_kernel_irq_routing_entry */ |
170 | struct hlist_head mask_notifier_list; |
171 | #endif |
172 | |
173 | #ifdef KVM_ARCH_WANT_MMU_NOTIFIER |
174 | struct mmu_notifier mmu_notifier; |
175 | unsigned long mmu_notifier_seq; |
176 | long mmu_notifier_count; |
177 | #endif |
178 | }; |
179 | |
180 | /* The guest did something we don't support. */ |
181 | #define pr_unimpl(vcpu, fmt, ...) \ |
182 | do { \ |
183 | if (printk_ratelimit()) \ |
184 | printk(KERN_ERR "kvm: %i: cpu%i " fmt, \ |
185 | current->tgid, (vcpu)->vcpu_id , ## __VA_ARGS__); \ |
186 | } while (0) |
187 | |
188 | #define kvm_printf(kvm, fmt ...) printk(KERN_DEBUG fmt) |
189 | #define vcpu_printf(vcpu, fmt...) kvm_printf(vcpu->kvm, fmt) |
190 | |
191 | static inline struct kvm_vcpu *kvm_get_vcpu(struct kvm *kvm, int i) |
192 | { |
193 | smp_rmb(); |
194 | return kvm->vcpus[i]; |
195 | } |
196 | |
197 | #define kvm_for_each_vcpu(idx, vcpup, kvm) \ |
198 | for (idx = 0, vcpup = kvm_get_vcpu(kvm, idx); \ |
199 | idx < atomic_read(&kvm->online_vcpus) && vcpup; \ |
200 | vcpup = kvm_get_vcpu(kvm, ++idx)) |
201 | |
202 | int kvm_vcpu_init(struct kvm_vcpu *vcpu, struct kvm *kvm, unsigned id); |
203 | void kvm_vcpu_uninit(struct kvm_vcpu *vcpu); |
204 | |
205 | void vcpu_load(struct kvm_vcpu *vcpu); |
206 | void vcpu_put(struct kvm_vcpu *vcpu); |
207 | |
208 | int kvm_init(void *opaque, unsigned int vcpu_size, |
209 | struct module *module); |
210 | void kvm_exit(void); |
211 | |
212 | void kvm_get_kvm(struct kvm *kvm); |
213 | void kvm_put_kvm(struct kvm *kvm); |
214 | |
215 | #define HPA_MSB ((sizeof(hpa_t) * 8) - 1) |
216 | #define HPA_ERR_MASK ((hpa_t)1 << HPA_MSB) |
217 | static inline int is_error_hpa(hpa_t hpa) { return hpa >> HPA_MSB; } |
218 | struct page *gva_to_page(struct kvm_vcpu *vcpu, gva_t gva); |
219 | |
220 | extern struct page *bad_page; |
221 | extern pfn_t bad_pfn; |
222 | |
223 | int is_error_page(struct page *page); |
224 | int is_error_pfn(pfn_t pfn); |
225 | int kvm_is_error_hva(unsigned long addr); |
226 | int kvm_set_memory_region(struct kvm *kvm, |
227 | struct kvm_userspace_memory_region *mem, |
228 | int user_alloc); |
229 | int __kvm_set_memory_region(struct kvm *kvm, |
230 | struct kvm_userspace_memory_region *mem, |
231 | int user_alloc); |
232 | int kvm_arch_set_memory_region(struct kvm *kvm, |
233 | struct kvm_userspace_memory_region *mem, |
234 | struct kvm_memory_slot old, |
235 | int user_alloc); |
236 | void kvm_disable_largepages(void); |
237 | void kvm_arch_flush_shadow(struct kvm *kvm); |
238 | gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn); |
239 | struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn); |
240 | unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn); |
241 | void kvm_release_page_clean(struct page *page); |
242 | void kvm_release_page_dirty(struct page *page); |
243 | void kvm_set_page_dirty(struct page *page); |
244 | void kvm_set_page_accessed(struct page *page); |
245 | |
246 | pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn); |
247 | void kvm_release_pfn_dirty(pfn_t); |
248 | void kvm_release_pfn_clean(pfn_t pfn); |
249 | void kvm_set_pfn_dirty(pfn_t pfn); |
250 | void kvm_set_pfn_accessed(pfn_t pfn); |
251 | void kvm_get_pfn(pfn_t pfn); |
252 | |
253 | int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset, |
254 | int len); |
255 | int kvm_read_guest_atomic(struct kvm *kvm, gpa_t gpa, void *data, |
256 | unsigned long len); |
257 | int kvm_read_guest(struct kvm *kvm, gpa_t gpa, void *data, unsigned long len); |
258 | int kvm_write_guest_page(struct kvm *kvm, gfn_t gfn, const void *data, |
259 | int offset, int len); |
260 | int kvm_write_guest(struct kvm *kvm, gpa_t gpa, const void *data, |
261 | unsigned long len); |
262 | int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len); |
263 | int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len); |
264 | struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn); |
265 | int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn); |
266 | void mark_page_dirty(struct kvm *kvm, gfn_t gfn); |
267 | |
268 | void kvm_vcpu_block(struct kvm_vcpu *vcpu); |
269 | void kvm_resched(struct kvm_vcpu *vcpu); |
270 | void kvm_load_guest_fpu(struct kvm_vcpu *vcpu); |
271 | void kvm_put_guest_fpu(struct kvm_vcpu *vcpu); |
272 | void kvm_flush_remote_tlbs(struct kvm *kvm); |
273 | void kvm_reload_remote_mmus(struct kvm *kvm); |
274 | |
275 | long kvm_arch_dev_ioctl(struct file *filp, |
276 | unsigned int ioctl, unsigned long arg); |
277 | long kvm_arch_vcpu_ioctl(struct file *filp, |
278 | unsigned int ioctl, unsigned long arg); |
279 | |
280 | int kvm_dev_ioctl_check_extension(long ext); |
281 | |
282 | int kvm_get_dirty_log(struct kvm *kvm, |
283 | struct kvm_dirty_log *log, int *is_dirty); |
284 | int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, |
285 | struct kvm_dirty_log *log); |
286 | |
287 | int kvm_vm_ioctl_set_memory_region(struct kvm *kvm, |
288 | struct |
289 | kvm_userspace_memory_region *mem, |
290 | int user_alloc); |
291 | long kvm_arch_vm_ioctl(struct file *filp, |
292 | unsigned int ioctl, unsigned long arg); |
293 | |
294 | int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu); |
295 | int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu); |
296 | |
297 | int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, |
298 | struct kvm_translation *tr); |
299 | |
300 | int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs); |
301 | int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs); |
302 | int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, |
303 | struct kvm_sregs *sregs); |
304 | int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, |
305 | struct kvm_sregs *sregs); |
306 | int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu, |
307 | struct kvm_mp_state *mp_state); |
308 | int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu, |
309 | struct kvm_mp_state *mp_state); |
310 | int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, |
311 | struct kvm_guest_debug *dbg); |
312 | int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run); |
313 | |
314 | int kvm_arch_init(void *opaque); |
315 | void kvm_arch_exit(void); |
316 | |
317 | int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu); |
318 | void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu); |
319 | |
320 | void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu); |
321 | void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu); |
322 | void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu); |
323 | struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id); |
324 | int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu); |
325 | void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu); |
326 | |
327 | int kvm_arch_vcpu_reset(struct kvm_vcpu *vcpu); |
328 | void kvm_arch_hardware_enable(void *garbage); |
329 | void kvm_arch_hardware_disable(void *garbage); |
330 | int kvm_arch_hardware_setup(void); |
331 | void kvm_arch_hardware_unsetup(void); |
332 | void kvm_arch_check_processor_compat(void *rtn); |
333 | int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu); |
334 | |
335 | void kvm_free_physmem(struct kvm *kvm); |
336 | |
337 | struct kvm *kvm_arch_create_vm(void); |
338 | void kvm_arch_destroy_vm(struct kvm *kvm); |
339 | void kvm_free_all_assigned_devices(struct kvm *kvm); |
340 | void kvm_arch_sync_events(struct kvm *kvm); |
341 | |
342 | int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu); |
343 | void kvm_vcpu_kick(struct kvm_vcpu *vcpu); |
344 | |
345 | int kvm_is_mmio_pfn(pfn_t pfn); |
346 | |
347 | struct kvm_irq_ack_notifier { |
348 | struct hlist_node link; |
349 | unsigned gsi; |
350 | void (*irq_acked)(struct kvm_irq_ack_notifier *kian); |
351 | }; |
352 | |
353 | #define KVM_ASSIGNED_MSIX_PENDING 0x1 |
354 | struct kvm_guest_msix_entry { |
355 | u32 vector; |
356 | u16 entry; |
357 | u16 flags; |
358 | }; |
359 | |
360 | struct kvm_assigned_dev_kernel { |
361 | struct kvm_irq_ack_notifier ack_notifier; |
362 | struct work_struct interrupt_work; |
363 | struct list_head list; |
364 | int assigned_dev_id; |
365 | int host_busnr; |
366 | int host_devfn; |
367 | unsigned int entries_nr; |
368 | int host_irq; |
369 | bool host_irq_disabled; |
370 | struct msix_entry *host_msix_entries; |
371 | int guest_irq; |
372 | struct kvm_guest_msix_entry *guest_msix_entries; |
373 | unsigned long irq_requested_type; |
374 | int irq_source_id; |
375 | int flags; |
376 | struct pci_dev *dev; |
377 | struct kvm *kvm; |
378 | spinlock_t assigned_dev_lock; |
379 | }; |
380 | |
381 | struct kvm_irq_mask_notifier { |
382 | void (*func)(struct kvm_irq_mask_notifier *kimn, bool masked); |
383 | int irq; |
384 | struct hlist_node link; |
385 | }; |
386 | |
387 | void kvm_register_irq_mask_notifier(struct kvm *kvm, int irq, |
388 | struct kvm_irq_mask_notifier *kimn); |
389 | void kvm_unregister_irq_mask_notifier(struct kvm *kvm, int irq, |
390 | struct kvm_irq_mask_notifier *kimn); |
391 | void kvm_fire_mask_notifiers(struct kvm *kvm, int irq, bool mask); |
392 | |
393 | int kvm_set_irq(struct kvm *kvm, int irq_source_id, int irq, int level); |
394 | void kvm_notify_acked_irq(struct kvm *kvm, unsigned irqchip, unsigned pin); |
395 | void kvm_register_irq_ack_notifier(struct kvm *kvm, |
396 | struct kvm_irq_ack_notifier *kian); |
397 | void kvm_unregister_irq_ack_notifier(struct kvm *kvm, |
398 | struct kvm_irq_ack_notifier *kian); |
399 | int kvm_request_irq_source_id(struct kvm *kvm); |
400 | void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id); |
401 | |
402 | /* For vcpu->arch.iommu_flags */ |
403 | #define KVM_IOMMU_CACHE_COHERENCY 0x1 |
404 | |
405 | #ifdef CONFIG_IOMMU_API |
406 | int kvm_iommu_map_pages(struct kvm *kvm, gfn_t base_gfn, |
407 | unsigned long npages); |
408 | int kvm_iommu_map_guest(struct kvm *kvm); |
409 | int kvm_iommu_unmap_guest(struct kvm *kvm); |
410 | int kvm_assign_device(struct kvm *kvm, |
411 | struct kvm_assigned_dev_kernel *assigned_dev); |
412 | int kvm_deassign_device(struct kvm *kvm, |
413 | struct kvm_assigned_dev_kernel *assigned_dev); |
414 | #else /* CONFIG_IOMMU_API */ |
415 | static inline int kvm_iommu_map_pages(struct kvm *kvm, |
416 | gfn_t base_gfn, |
417 | unsigned long npages) |
418 | { |
419 | return 0; |
420 | } |
421 | |
422 | static inline int kvm_iommu_map_guest(struct kvm *kvm) |
423 | { |
424 | return -ENODEV; |
425 | } |
426 | |
427 | static inline int kvm_iommu_unmap_guest(struct kvm *kvm) |
428 | { |
429 | return 0; |
430 | } |
431 | |
432 | static inline int kvm_assign_device(struct kvm *kvm, |
433 | struct kvm_assigned_dev_kernel *assigned_dev) |
434 | { |
435 | return 0; |
436 | } |
437 | |
438 | static inline int kvm_deassign_device(struct kvm *kvm, |
439 | struct kvm_assigned_dev_kernel *assigned_dev) |
440 | { |
441 | return 0; |
442 | } |
443 | #endif /* CONFIG_IOMMU_API */ |
444 | |
445 | static inline void kvm_guest_enter(void) |
446 | { |
447 | account_system_vtime(current); |
448 | current->flags |= PF_VCPU; |
449 | } |
450 | |
451 | static inline void kvm_guest_exit(void) |
452 | { |
453 | account_system_vtime(current); |
454 | current->flags &= ~PF_VCPU; |
455 | } |
456 | |
457 | static inline int memslot_id(struct kvm *kvm, struct kvm_memory_slot *slot) |
458 | { |
459 | return slot - kvm->memslots; |
460 | } |
461 | |
462 | static inline gpa_t gfn_to_gpa(gfn_t gfn) |
463 | { |
464 | return (gpa_t)gfn << PAGE_SHIFT; |
465 | } |
466 | |
467 | static inline hpa_t pfn_to_hpa(pfn_t pfn) |
468 | { |
469 | return (hpa_t)pfn << PAGE_SHIFT; |
470 | } |
471 | |
472 | static inline void kvm_migrate_timers(struct kvm_vcpu *vcpu) |
473 | { |
474 | set_bit(KVM_REQ_MIGRATE_TIMER, &vcpu->requests); |
475 | } |
476 | |
477 | enum kvm_stat_kind { |
478 | KVM_STAT_VM, |
479 | KVM_STAT_VCPU, |
480 | }; |
481 | |
482 | struct kvm_stats_debugfs_item { |
483 | const char *name; |
484 | int offset; |
485 | enum kvm_stat_kind kind; |
486 | struct dentry *dentry; |
487 | }; |
488 | extern struct kvm_stats_debugfs_item debugfs_entries[]; |
489 | extern struct dentry *kvm_debugfs_dir; |
490 | |
491 | #ifdef KVM_ARCH_WANT_MMU_NOTIFIER |
492 | static inline int mmu_notifier_retry(struct kvm_vcpu *vcpu, unsigned long mmu_seq) |
493 | { |
494 | if (unlikely(vcpu->kvm->mmu_notifier_count)) |
495 | return 1; |
496 | /* |
497 | * Both reads happen under the mmu_lock and both values are |
498 | * modified under mmu_lock, so there's no need of smb_rmb() |
499 | * here in between, otherwise mmu_notifier_count should be |
500 | * read before mmu_notifier_seq, see |
501 | * mmu_notifier_invalidate_range_end write side. |
502 | */ |
503 | if (vcpu->kvm->mmu_notifier_seq != mmu_seq) |
504 | return 1; |
505 | return 0; |
506 | } |
507 | #endif |
508 | |
509 | #ifdef CONFIG_HAVE_KVM_IRQCHIP |
510 | |
511 | #define KVM_MAX_IRQ_ROUTES 1024 |
512 | |
513 | int kvm_setup_default_irq_routing(struct kvm *kvm); |
514 | int kvm_set_irq_routing(struct kvm *kvm, |
515 | const struct kvm_irq_routing_entry *entries, |
516 | unsigned nr, |
517 | unsigned flags); |
518 | void kvm_free_irq_routing(struct kvm *kvm); |
519 | |
520 | #else |
521 | |
522 | static inline void kvm_free_irq_routing(struct kvm *kvm) {} |
523 | |
524 | #endif |
525 | |
526 | #ifdef CONFIG_HAVE_KVM_EVENTFD |
527 | |
528 | void kvm_eventfd_init(struct kvm *kvm); |
529 | int kvm_irqfd(struct kvm *kvm, int fd, int gsi, int flags); |
530 | void kvm_irqfd_release(struct kvm *kvm); |
531 | int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args); |
532 | |
533 | #else |
534 | |
535 | static inline void kvm_eventfd_init(struct kvm *kvm) {} |
536 | static inline int kvm_irqfd(struct kvm *kvm, int fd, int gsi, int flags) |
537 | { |
538 | return -EINVAL; |
539 | } |
540 | |
541 | static inline void kvm_irqfd_release(struct kvm *kvm) {} |
542 | static inline int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args) |
543 | { |
544 | return -ENOSYS; |
545 | } |
546 | |
547 | #endif /* CONFIG_HAVE_KVM_EVENTFD */ |
548 | |
549 | #ifdef CONFIG_KVM_APIC_ARCHITECTURE |
550 | static inline bool kvm_vcpu_is_bsp(struct kvm_vcpu *vcpu) |
551 | { |
552 | return vcpu->kvm->bsp_vcpu_id == vcpu->vcpu_id; |
553 | } |
554 | #endif |
555 | #endif |
556 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
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jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9