5 * This work is licensed under the terms of the GNU GPL, version 2. See
6 * the COPYING file in the top-level directory.
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>
17 #include <linux/preempt.h>
18 #include <linux/msi.h>
19 #include <linux/slab.h>
20 #include <linux/rcupdate.h>
21 #include <asm/signal.h>
23 #include <linux/kvm.h>
24 #include <linux/kvm_para.h>
26 #include <linux/kvm_types.h>
28 #include <asm/kvm_host.h>
31 * vcpu->requests bit members
33 #define KVM_REQ_TLB_FLUSH 0
34 #define KVM_REQ_MIGRATE_TIMER 1
35 #define KVM_REQ_REPORT_TPR_ACCESS 2
36 #define KVM_REQ_MMU_RELOAD 3
37 #define KVM_REQ_TRIPLE_FAULT 4
38 #define KVM_REQ_PENDING_TIMER 5
39 #define KVM_REQ_UNHALT 6
40 #define KVM_REQ_MMU_SYNC 7
41 #define KVM_REQ_CLOCK_UPDATE 8
42 #define KVM_REQ_KICK 9
43 #define KVM_REQ_DEACTIVATE_FPU 10
44 #define KVM_REQ_EVENT 11
45 #define KVM_REQ_APF_HALT 12
46 #define KVM_REQ_NMI 13
48 #define KVM_USERSPACE_IRQ_SOURCE_ID 0
52 extern struct kmem_cache *kvm_vcpu_cache;
55 * It would be nice to use something smarter than a linear search, TBD...
56 * Thankfully we dont expect many devices to register (famous last words :),
57 * so until then it will suffice. At least its abstracted so we can change
62 #define NR_IOBUS_DEVS 200
63 struct kvm_io_device *devs[NR_IOBUS_DEVS];
72 int kvm_io_bus_write(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
73 int len, const void *val);
74 int kvm_io_bus_read(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, int len,
76 int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx,
77 struct kvm_io_device *dev);
78 int kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx,
79 struct kvm_io_device *dev);
81 #ifdef CONFIG_KVM_ASYNC_PF
83 struct work_struct work;
84 struct list_head link;
85 struct list_head queue;
86 struct kvm_vcpu *vcpu;
90 struct kvm_arch_async_pf arch;
95 void kvm_clear_async_pf_completion_queue(struct kvm_vcpu *vcpu);
96 void kvm_check_async_pf_completion(struct kvm_vcpu *vcpu);
97 int kvm_setup_async_pf(struct kvm_vcpu *vcpu, gva_t gva, gfn_t gfn,
98 struct kvm_arch_async_pf *arch);
99 int kvm_async_pf_wakeup_all(struct kvm_vcpu *vcpu);
110 #ifdef CONFIG_PREEMPT_NOTIFIERS
111 struct preempt_notifier preempt_notifier;
117 unsigned long requests;
118 unsigned long guest_debug;
124 int guest_fpu_loaded, guest_xcr0_loaded;
125 wait_queue_head_t wq;
129 struct kvm_vcpu_stat stat;
131 #ifdef CONFIG_HAS_IOMEM
133 int mmio_read_completed;
136 unsigned char mmio_data[8];
137 gpa_t mmio_phys_addr;
140 #ifdef CONFIG_KVM_ASYNC_PF
143 struct list_head queue;
144 struct list_head done;
149 struct kvm_vcpu_arch arch;
152 static inline int kvm_vcpu_exiting_guest_mode(struct kvm_vcpu *vcpu)
154 return cmpxchg(&vcpu->mode, IN_GUEST_MODE, EXITING_GUEST_MODE);
158 * Some of the bitops functions do not support too long bitmaps.
159 * This number must be determined not to exceed such limits.
161 #define KVM_MEM_MAX_NR_PAGES ((1UL << 31) - 1)
163 struct kvm_lpage_info {
164 unsigned long rmap_pde;
168 struct kvm_memory_slot {
170 unsigned long npages;
173 unsigned long *dirty_bitmap;
174 unsigned long *dirty_bitmap_head;
175 struct kvm_lpage_info *lpage_info[KVM_NR_PAGE_SIZES - 1];
176 unsigned long userspace_addr;
181 static inline unsigned long kvm_dirty_bitmap_bytes(struct kvm_memory_slot *memslot)
183 return ALIGN(memslot->npages, BITS_PER_LONG) / 8;
186 struct kvm_kernel_irq_routing_entry {
189 int (*set)(struct kvm_kernel_irq_routing_entry *e,
190 struct kvm *kvm, int irq_source_id, int level);
198 struct hlist_node link;
201 #ifdef __KVM_HAVE_IOAPIC
203 struct kvm_irq_routing_table {
204 int chip[KVM_NR_IRQCHIPS][KVM_IOAPIC_NUM_PINS];
205 struct kvm_kernel_irq_routing_entry *rt_entries;
208 * Array indexed by gsi. Each entry contains list of irq chips
209 * the gsi is connected to.
211 struct hlist_head map[0];
216 struct kvm_irq_routing_table {};
220 struct kvm_memslots {
223 struct kvm_memory_slot memslots[KVM_MEMORY_SLOTS +
224 KVM_PRIVATE_MEM_SLOTS];
229 struct mutex slots_lock;
230 struct mm_struct *mm; /* userspace tied to this vm */
231 struct kvm_memslots *memslots;
232 struct srcu_struct srcu;
233 #ifdef CONFIG_KVM_APIC_ARCHITECTURE
235 struct kvm_vcpu *bsp_vcpu;
237 struct kvm_vcpu *vcpus[KVM_MAX_VCPUS];
238 atomic_t online_vcpus;
239 int last_boosted_vcpu;
240 struct list_head vm_list;
242 struct kvm_io_bus *buses[KVM_NR_BUSES];
243 #ifdef CONFIG_HAVE_KVM_EVENTFD
246 struct list_head items;
248 struct list_head ioeventfds;
250 struct kvm_vm_stat stat;
251 struct kvm_arch arch;
252 atomic_t users_count;
253 #ifdef KVM_COALESCED_MMIO_PAGE_OFFSET
254 struct kvm_coalesced_mmio_dev *coalesced_mmio_dev;
255 struct kvm_coalesced_mmio_ring *coalesced_mmio_ring;
258 struct mutex irq_lock;
259 #ifdef CONFIG_HAVE_KVM_IRQCHIP
261 * Update side is protected by irq_lock and,
262 * if configured, irqfds.lock.
264 struct kvm_irq_routing_table __rcu *irq_routing;
265 struct hlist_head mask_notifier_list;
266 struct hlist_head irq_ack_notifier_list;
269 #ifdef KVM_ARCH_WANT_MMU_NOTIFIER
270 struct mmu_notifier mmu_notifier;
271 unsigned long mmu_notifier_seq;
272 long mmu_notifier_count;
277 /* The guest did something we don't support. */
278 #define pr_unimpl(vcpu, fmt, ...) \
280 if (printk_ratelimit()) \
281 printk(KERN_ERR "kvm: %i: cpu%i " fmt, \
282 current->tgid, (vcpu)->vcpu_id , ## __VA_ARGS__); \
285 #define kvm_printf(kvm, fmt ...) printk(KERN_DEBUG fmt)
286 #define vcpu_printf(vcpu, fmt...) kvm_printf(vcpu->kvm, fmt)
288 static inline struct kvm_vcpu *kvm_get_vcpu(struct kvm *kvm, int i)
291 return kvm->vcpus[i];
294 #define kvm_for_each_vcpu(idx, vcpup, kvm) \
295 for (idx = 0, vcpup = kvm_get_vcpu(kvm, idx); \
296 idx < atomic_read(&kvm->online_vcpus) && vcpup; \
297 vcpup = kvm_get_vcpu(kvm, ++idx))
299 int kvm_vcpu_init(struct kvm_vcpu *vcpu, struct kvm *kvm, unsigned id);
300 void kvm_vcpu_uninit(struct kvm_vcpu *vcpu);
302 void vcpu_load(struct kvm_vcpu *vcpu);
303 void vcpu_put(struct kvm_vcpu *vcpu);
305 int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
306 struct module *module);
309 void kvm_get_kvm(struct kvm *kvm);
310 void kvm_put_kvm(struct kvm *kvm);
312 static inline struct kvm_memslots *kvm_memslots(struct kvm *kvm)
314 return rcu_dereference_check(kvm->memslots,
315 srcu_read_lock_held(&kvm->srcu)
316 || lockdep_is_held(&kvm->slots_lock));
319 #define HPA_MSB ((sizeof(hpa_t) * 8) - 1)
320 #define HPA_ERR_MASK ((hpa_t)1 << HPA_MSB)
321 static inline int is_error_hpa(hpa_t hpa) { return hpa >> HPA_MSB; }
323 extern struct page *bad_page;
324 extern pfn_t bad_pfn;
326 int is_error_page(struct page *page);
327 int is_error_pfn(pfn_t pfn);
328 int is_hwpoison_pfn(pfn_t pfn);
329 int is_fault_pfn(pfn_t pfn);
330 int kvm_is_error_hva(unsigned long addr);
331 int kvm_set_memory_region(struct kvm *kvm,
332 struct kvm_userspace_memory_region *mem,
334 int __kvm_set_memory_region(struct kvm *kvm,
335 struct kvm_userspace_memory_region *mem,
337 int kvm_arch_prepare_memory_region(struct kvm *kvm,
338 struct kvm_memory_slot *memslot,
339 struct kvm_memory_slot old,
340 struct kvm_userspace_memory_region *mem,
342 void kvm_arch_commit_memory_region(struct kvm *kvm,
343 struct kvm_userspace_memory_region *mem,
344 struct kvm_memory_slot old,
346 void kvm_disable_largepages(void);
347 void kvm_arch_flush_shadow(struct kvm *kvm);
349 int gfn_to_page_many_atomic(struct kvm *kvm, gfn_t gfn, struct page **pages,
352 struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn);
353 unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn);
354 void kvm_release_page_clean(struct page *page);
355 void kvm_release_page_dirty(struct page *page);
356 void kvm_set_page_dirty(struct page *page);
357 void kvm_set_page_accessed(struct page *page);
359 pfn_t hva_to_pfn_atomic(struct kvm *kvm, unsigned long addr);
360 pfn_t gfn_to_pfn_atomic(struct kvm *kvm, gfn_t gfn);
361 pfn_t gfn_to_pfn_async(struct kvm *kvm, gfn_t gfn, bool *async,
362 bool write_fault, bool *writable);
363 pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn);
364 pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault,
366 pfn_t gfn_to_pfn_memslot(struct kvm *kvm,
367 struct kvm_memory_slot *slot, gfn_t gfn);
368 void kvm_release_pfn_dirty(pfn_t);
369 void kvm_release_pfn_clean(pfn_t pfn);
370 void kvm_set_pfn_dirty(pfn_t pfn);
371 void kvm_set_pfn_accessed(pfn_t pfn);
372 void kvm_get_pfn(pfn_t pfn);
374 int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset,
376 int kvm_read_guest_atomic(struct kvm *kvm, gpa_t gpa, void *data,
378 int kvm_read_guest(struct kvm *kvm, gpa_t gpa, void *data, unsigned long len);
379 int kvm_write_guest_page(struct kvm *kvm, gfn_t gfn, const void *data,
380 int offset, int len);
381 int kvm_write_guest(struct kvm *kvm, gpa_t gpa, const void *data,
383 int kvm_write_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
384 void *data, unsigned long len);
385 int kvm_gfn_to_hva_cache_init(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
387 int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len);
388 int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len);
389 struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn);
390 int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn);
391 unsigned long kvm_host_page_size(struct kvm *kvm, gfn_t gfn);
392 void mark_page_dirty(struct kvm *kvm, gfn_t gfn);
393 void mark_page_dirty_in_slot(struct kvm *kvm, struct kvm_memory_slot *memslot,
396 void kvm_vcpu_block(struct kvm_vcpu *vcpu);
397 void kvm_vcpu_on_spin(struct kvm_vcpu *vcpu);
398 void kvm_resched(struct kvm_vcpu *vcpu);
399 void kvm_load_guest_fpu(struct kvm_vcpu *vcpu);
400 void kvm_put_guest_fpu(struct kvm_vcpu *vcpu);
402 void kvm_flush_remote_tlbs(struct kvm *kvm);
403 void kvm_reload_remote_mmus(struct kvm *kvm);
405 long kvm_arch_dev_ioctl(struct file *filp,
406 unsigned int ioctl, unsigned long arg);
407 long kvm_arch_vcpu_ioctl(struct file *filp,
408 unsigned int ioctl, unsigned long arg);
410 int kvm_dev_ioctl_check_extension(long ext);
412 int kvm_get_dirty_log(struct kvm *kvm,
413 struct kvm_dirty_log *log, int *is_dirty);
414 int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm,
415 struct kvm_dirty_log *log);
417 int kvm_vm_ioctl_set_memory_region(struct kvm *kvm,
419 kvm_userspace_memory_region *mem,
421 long kvm_arch_vm_ioctl(struct file *filp,
422 unsigned int ioctl, unsigned long arg);
424 int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu);
425 int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu);
427 int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
428 struct kvm_translation *tr);
430 int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs);
431 int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs);
432 int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
433 struct kvm_sregs *sregs);
434 int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
435 struct kvm_sregs *sregs);
436 int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu,
437 struct kvm_mp_state *mp_state);
438 int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,
439 struct kvm_mp_state *mp_state);
440 int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
441 struct kvm_guest_debug *dbg);
442 int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run);
444 int kvm_arch_init(void *opaque);
445 void kvm_arch_exit(void);
447 int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu);
448 void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu);
450 void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu);
451 void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
452 void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu);
453 struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id);
454 int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu);
455 void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu);
457 int kvm_arch_vcpu_reset(struct kvm_vcpu *vcpu);
458 int kvm_arch_hardware_enable(void *garbage);
459 void kvm_arch_hardware_disable(void *garbage);
460 int kvm_arch_hardware_setup(void);
461 void kvm_arch_hardware_unsetup(void);
462 void kvm_arch_check_processor_compat(void *rtn);
463 int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu);
465 void kvm_free_physmem(struct kvm *kvm);
467 #ifndef __KVM_HAVE_ARCH_VM_ALLOC
468 static inline struct kvm *kvm_arch_alloc_vm(void)
470 return kzalloc(sizeof(struct kvm), GFP_KERNEL);
473 static inline void kvm_arch_free_vm(struct kvm *kvm)
479 int kvm_arch_init_vm(struct kvm *kvm);
480 void kvm_arch_destroy_vm(struct kvm *kvm);
481 void kvm_free_all_assigned_devices(struct kvm *kvm);
482 void kvm_arch_sync_events(struct kvm *kvm);
484 int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu);
485 void kvm_vcpu_kick(struct kvm_vcpu *vcpu);
487 int kvm_is_mmio_pfn(pfn_t pfn);
489 struct kvm_irq_ack_notifier {
490 struct hlist_node link;
492 void (*irq_acked)(struct kvm_irq_ack_notifier *kian);
495 struct kvm_assigned_dev_kernel {
496 struct kvm_irq_ack_notifier ack_notifier;
497 struct list_head list;
502 unsigned int entries_nr;
504 bool host_irq_disabled;
505 struct msix_entry *host_msix_entries;
507 struct msix_entry *guest_msix_entries;
508 unsigned long irq_requested_type;
513 spinlock_t intx_lock;
517 struct kvm_irq_mask_notifier {
518 void (*func)(struct kvm_irq_mask_notifier *kimn, bool masked);
520 struct hlist_node link;
523 void kvm_register_irq_mask_notifier(struct kvm *kvm, int irq,
524 struct kvm_irq_mask_notifier *kimn);
525 void kvm_unregister_irq_mask_notifier(struct kvm *kvm, int irq,
526 struct kvm_irq_mask_notifier *kimn);
527 void kvm_fire_mask_notifiers(struct kvm *kvm, unsigned irqchip, unsigned pin,
530 #ifdef __KVM_HAVE_IOAPIC
531 void kvm_get_intr_delivery_bitmask(struct kvm_ioapic *ioapic,
532 union kvm_ioapic_redirect_entry *entry,
533 unsigned long *deliver_bitmask);
535 int kvm_set_irq(struct kvm *kvm, int irq_source_id, u32 irq, int level);
536 int kvm_set_msi(struct kvm_kernel_irq_routing_entry *irq_entry, struct kvm *kvm,
537 int irq_source_id, int level);
538 void kvm_notify_acked_irq(struct kvm *kvm, unsigned irqchip, unsigned pin);
539 void kvm_register_irq_ack_notifier(struct kvm *kvm,
540 struct kvm_irq_ack_notifier *kian);
541 void kvm_unregister_irq_ack_notifier(struct kvm *kvm,
542 struct kvm_irq_ack_notifier *kian);
543 int kvm_request_irq_source_id(struct kvm *kvm);
544 void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id);
546 /* For vcpu->arch.iommu_flags */
547 #define KVM_IOMMU_CACHE_COHERENCY 0x1
549 #ifdef CONFIG_IOMMU_API
550 int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot);
551 int kvm_iommu_map_guest(struct kvm *kvm);
552 int kvm_iommu_unmap_guest(struct kvm *kvm);
553 int kvm_assign_device(struct kvm *kvm,
554 struct kvm_assigned_dev_kernel *assigned_dev);
555 int kvm_deassign_device(struct kvm *kvm,
556 struct kvm_assigned_dev_kernel *assigned_dev);
557 #else /* CONFIG_IOMMU_API */
558 static inline int kvm_iommu_map_pages(struct kvm *kvm,
559 struct kvm_memory_slot *slot)
564 static inline int kvm_iommu_map_guest(struct kvm *kvm)
569 static inline int kvm_iommu_unmap_guest(struct kvm *kvm)
574 static inline int kvm_assign_device(struct kvm *kvm,
575 struct kvm_assigned_dev_kernel *assigned_dev)
580 static inline int kvm_deassign_device(struct kvm *kvm,
581 struct kvm_assigned_dev_kernel *assigned_dev)
585 #endif /* CONFIG_IOMMU_API */
587 static inline void kvm_guest_enter(void)
589 account_system_vtime(current);
590 current->flags |= PF_VCPU;
593 static inline void kvm_guest_exit(void)
595 account_system_vtime(current);
596 current->flags &= ~PF_VCPU;
599 static inline int memslot_id(struct kvm *kvm, gfn_t gfn)
601 return gfn_to_memslot(kvm, gfn)->id;
604 static inline unsigned long gfn_to_hva_memslot(struct kvm_memory_slot *slot,
607 return slot->userspace_addr + (gfn - slot->base_gfn) * PAGE_SIZE;
610 static inline gpa_t gfn_to_gpa(gfn_t gfn)
612 return (gpa_t)gfn << PAGE_SHIFT;
615 static inline gfn_t gpa_to_gfn(gpa_t gpa)
617 return (gfn_t)(gpa >> PAGE_SHIFT);
620 static inline hpa_t pfn_to_hpa(pfn_t pfn)
622 return (hpa_t)pfn << PAGE_SHIFT;
625 static inline void kvm_migrate_timers(struct kvm_vcpu *vcpu)
627 set_bit(KVM_REQ_MIGRATE_TIMER, &vcpu->requests);
635 struct kvm_stats_debugfs_item {
638 enum kvm_stat_kind kind;
639 struct dentry *dentry;
641 extern struct kvm_stats_debugfs_item debugfs_entries[];
642 extern struct dentry *kvm_debugfs_dir;
644 #ifdef KVM_ARCH_WANT_MMU_NOTIFIER
645 static inline int mmu_notifier_retry(struct kvm_vcpu *vcpu, unsigned long mmu_seq)
647 if (unlikely(vcpu->kvm->mmu_notifier_count))
650 * Both reads happen under the mmu_lock and both values are
651 * modified under mmu_lock, so there's no need of smb_rmb()
652 * here in between, otherwise mmu_notifier_count should be
653 * read before mmu_notifier_seq, see
654 * mmu_notifier_invalidate_range_end write side.
656 if (vcpu->kvm->mmu_notifier_seq != mmu_seq)
662 #ifdef CONFIG_HAVE_KVM_IRQCHIP
664 #define KVM_MAX_IRQ_ROUTES 1024
666 int kvm_setup_default_irq_routing(struct kvm *kvm);
667 int kvm_set_irq_routing(struct kvm *kvm,
668 const struct kvm_irq_routing_entry *entries,
671 void kvm_free_irq_routing(struct kvm *kvm);
675 static inline void kvm_free_irq_routing(struct kvm *kvm) {}
679 #ifdef CONFIG_HAVE_KVM_EVENTFD
681 void kvm_eventfd_init(struct kvm *kvm);
682 int kvm_irqfd(struct kvm *kvm, int fd, int gsi, int flags);
683 void kvm_irqfd_release(struct kvm *kvm);
684 void kvm_irq_routing_update(struct kvm *, struct kvm_irq_routing_table *);
685 int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args);
689 static inline void kvm_eventfd_init(struct kvm *kvm) {}
691 static inline int kvm_irqfd(struct kvm *kvm, int fd, int gsi, int flags)
696 static inline void kvm_irqfd_release(struct kvm *kvm) {}
698 #ifdef CONFIG_HAVE_KVM_IRQCHIP
699 static inline void kvm_irq_routing_update(struct kvm *kvm,
700 struct kvm_irq_routing_table *irq_rt)
702 rcu_assign_pointer(kvm->irq_routing, irq_rt);
706 static inline int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)
711 #endif /* CONFIG_HAVE_KVM_EVENTFD */
713 #ifdef CONFIG_KVM_APIC_ARCHITECTURE
714 static inline bool kvm_vcpu_is_bsp(struct kvm_vcpu *vcpu)
716 return vcpu->kvm->bsp_vcpu_id == vcpu->vcpu_id;
720 #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
722 long kvm_vm_ioctl_assigned_device(struct kvm *kvm, unsigned ioctl,
727 static inline long kvm_vm_ioctl_assigned_device(struct kvm *kvm, unsigned ioctl,
735 static inline void kvm_make_request(int req, struct kvm_vcpu *vcpu)
737 set_bit(req, &vcpu->requests);
740 static inline bool kvm_check_request(int req, struct kvm_vcpu *vcpu)
742 if (test_bit(req, &vcpu->requests)) {
743 clear_bit(req, &vcpu->requests);