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
47 #define KVM_USERSPACE_IRQ_SOURCE_ID 0
51 extern struct kmem_cache *kvm_vcpu_cache;
54 * It would be nice to use something smarter than a linear search, TBD...
55 * Thankfully we dont expect many devices to register (famous last words :),
56 * so until then it will suffice. At least its abstracted so we can change
61 #define NR_IOBUS_DEVS 200
62 struct kvm_io_device *devs[NR_IOBUS_DEVS];
71 int kvm_io_bus_write(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
72 int len, const void *val);
73 int kvm_io_bus_read(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, int len,
75 int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx,
76 struct kvm_io_device *dev);
77 int kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx,
78 struct kvm_io_device *dev);
80 #ifdef CONFIG_KVM_ASYNC_PF
82 struct work_struct work;
83 struct list_head link;
84 struct list_head queue;
85 struct kvm_vcpu *vcpu;
89 struct kvm_arch_async_pf arch;
94 void kvm_clear_async_pf_completion_queue(struct kvm_vcpu *vcpu);
95 void kvm_check_async_pf_completion(struct kvm_vcpu *vcpu);
96 int kvm_setup_async_pf(struct kvm_vcpu *vcpu, gva_t gva, gfn_t gfn,
97 struct kvm_arch_async_pf *arch);
98 int kvm_async_pf_wakeup_all(struct kvm_vcpu *vcpu);
103 #ifdef CONFIG_PREEMPT_NOTIFIERS
104 struct preempt_notifier preempt_notifier;
111 unsigned long requests;
112 unsigned long guest_debug;
116 int guest_fpu_loaded, guest_xcr0_loaded;
117 wait_queue_head_t wq;
120 struct kvm_vcpu_stat stat;
122 #ifdef CONFIG_HAS_IOMEM
124 int mmio_read_completed;
127 unsigned char mmio_data[8];
128 gpa_t mmio_phys_addr;
131 #ifdef CONFIG_KVM_ASYNC_PF
134 struct list_head queue;
135 struct list_head done;
140 struct kvm_vcpu_arch arch;
144 * Some of the bitops functions do not support too long bitmaps.
145 * This number must be determined not to exceed such limits.
147 #define KVM_MEM_MAX_NR_PAGES ((1UL << 31) - 1)
149 struct kvm_memory_slot {
151 unsigned long npages;
154 unsigned long *dirty_bitmap;
155 unsigned long *dirty_bitmap_head;
157 unsigned long rmap_pde;
159 } *lpage_info[KVM_NR_PAGE_SIZES - 1];
160 unsigned long userspace_addr;
165 static inline unsigned long kvm_dirty_bitmap_bytes(struct kvm_memory_slot *memslot)
167 return ALIGN(memslot->npages, BITS_PER_LONG) / 8;
170 struct kvm_kernel_irq_routing_entry {
173 int (*set)(struct kvm_kernel_irq_routing_entry *e,
174 struct kvm *kvm, int irq_source_id, int level);
182 struct hlist_node link;
185 #ifdef __KVM_HAVE_IOAPIC
187 struct kvm_irq_routing_table {
188 int chip[KVM_NR_IRQCHIPS][KVM_IOAPIC_NUM_PINS];
189 struct kvm_kernel_irq_routing_entry *rt_entries;
192 * Array indexed by gsi. Each entry contains list of irq chips
193 * the gsi is connected to.
195 struct hlist_head map[0];
200 struct kvm_irq_routing_table {};
204 struct kvm_memslots {
207 struct kvm_memory_slot memslots[KVM_MEMORY_SLOTS +
208 KVM_PRIVATE_MEM_SLOTS];
213 raw_spinlock_t requests_lock;
214 struct mutex slots_lock;
215 struct mm_struct *mm; /* userspace tied to this vm */
216 struct kvm_memslots *memslots;
217 struct srcu_struct srcu;
218 #ifdef CONFIG_KVM_APIC_ARCHITECTURE
220 struct kvm_vcpu *bsp_vcpu;
222 struct kvm_vcpu *vcpus[KVM_MAX_VCPUS];
223 atomic_t online_vcpus;
224 struct list_head vm_list;
226 struct kvm_io_bus *buses[KVM_NR_BUSES];
227 #ifdef CONFIG_HAVE_KVM_EVENTFD
230 struct list_head items;
232 struct list_head ioeventfds;
234 struct kvm_vm_stat stat;
235 struct kvm_arch arch;
236 atomic_t users_count;
237 #ifdef KVM_COALESCED_MMIO_PAGE_OFFSET
238 struct kvm_coalesced_mmio_dev *coalesced_mmio_dev;
239 struct kvm_coalesced_mmio_ring *coalesced_mmio_ring;
242 struct mutex irq_lock;
243 #ifdef CONFIG_HAVE_KVM_IRQCHIP
245 * Update side is protected by irq_lock and,
246 * if configured, irqfds.lock.
248 struct kvm_irq_routing_table __rcu *irq_routing;
249 struct hlist_head mask_notifier_list;
250 struct hlist_head irq_ack_notifier_list;
253 #ifdef KVM_ARCH_WANT_MMU_NOTIFIER
254 struct mmu_notifier mmu_notifier;
255 unsigned long mmu_notifier_seq;
256 long mmu_notifier_count;
260 /* The guest did something we don't support. */
261 #define pr_unimpl(vcpu, fmt, ...) \
263 if (printk_ratelimit()) \
264 printk(KERN_ERR "kvm: %i: cpu%i " fmt, \
265 current->tgid, (vcpu)->vcpu_id , ## __VA_ARGS__); \
268 #define kvm_printf(kvm, fmt ...) printk(KERN_DEBUG fmt)
269 #define vcpu_printf(vcpu, fmt...) kvm_printf(vcpu->kvm, fmt)
271 static inline struct kvm_vcpu *kvm_get_vcpu(struct kvm *kvm, int i)
274 return kvm->vcpus[i];
277 #define kvm_for_each_vcpu(idx, vcpup, kvm) \
278 for (idx = 0, vcpup = kvm_get_vcpu(kvm, idx); \
279 idx < atomic_read(&kvm->online_vcpus) && vcpup; \
280 vcpup = kvm_get_vcpu(kvm, ++idx))
282 int kvm_vcpu_init(struct kvm_vcpu *vcpu, struct kvm *kvm, unsigned id);
283 void kvm_vcpu_uninit(struct kvm_vcpu *vcpu);
285 void vcpu_load(struct kvm_vcpu *vcpu);
286 void vcpu_put(struct kvm_vcpu *vcpu);
288 int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
289 struct module *module);
292 void kvm_get_kvm(struct kvm *kvm);
293 void kvm_put_kvm(struct kvm *kvm);
295 static inline struct kvm_memslots *kvm_memslots(struct kvm *kvm)
297 return rcu_dereference_check(kvm->memslots,
298 srcu_read_lock_held(&kvm->srcu)
299 || lockdep_is_held(&kvm->slots_lock));
302 #define HPA_MSB ((sizeof(hpa_t) * 8) - 1)
303 #define HPA_ERR_MASK ((hpa_t)1 << HPA_MSB)
304 static inline int is_error_hpa(hpa_t hpa) { return hpa >> HPA_MSB; }
306 extern struct page *bad_page;
307 extern pfn_t bad_pfn;
309 int is_error_page(struct page *page);
310 int is_error_pfn(pfn_t pfn);
311 int is_hwpoison_pfn(pfn_t pfn);
312 int is_fault_pfn(pfn_t pfn);
313 int kvm_is_error_hva(unsigned long addr);
314 int kvm_set_memory_region(struct kvm *kvm,
315 struct kvm_userspace_memory_region *mem,
317 int __kvm_set_memory_region(struct kvm *kvm,
318 struct kvm_userspace_memory_region *mem,
320 int kvm_arch_prepare_memory_region(struct kvm *kvm,
321 struct kvm_memory_slot *memslot,
322 struct kvm_memory_slot old,
323 struct kvm_userspace_memory_region *mem,
325 void kvm_arch_commit_memory_region(struct kvm *kvm,
326 struct kvm_userspace_memory_region *mem,
327 struct kvm_memory_slot old,
329 void kvm_disable_largepages(void);
330 void kvm_arch_flush_shadow(struct kvm *kvm);
332 int gfn_to_page_many_atomic(struct kvm *kvm, gfn_t gfn, struct page **pages,
335 struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn);
336 unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn);
337 void kvm_release_page_clean(struct page *page);
338 void kvm_release_page_dirty(struct page *page);
339 void kvm_set_page_dirty(struct page *page);
340 void kvm_set_page_accessed(struct page *page);
342 pfn_t hva_to_pfn_atomic(struct kvm *kvm, unsigned long addr);
343 pfn_t gfn_to_pfn_atomic(struct kvm *kvm, gfn_t gfn);
344 pfn_t gfn_to_pfn_async(struct kvm *kvm, gfn_t gfn, bool *async,
345 bool write_fault, bool *writable);
346 pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn);
347 pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault,
349 pfn_t gfn_to_pfn_memslot(struct kvm *kvm,
350 struct kvm_memory_slot *slot, gfn_t gfn);
351 int memslot_id(struct kvm *kvm, gfn_t gfn);
352 void kvm_release_pfn_dirty(pfn_t);
353 void kvm_release_pfn_clean(pfn_t pfn);
354 void kvm_set_pfn_dirty(pfn_t pfn);
355 void kvm_set_pfn_accessed(pfn_t pfn);
356 void kvm_get_pfn(pfn_t pfn);
358 int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset,
360 int kvm_read_guest_atomic(struct kvm *kvm, gpa_t gpa, void *data,
362 int kvm_read_guest(struct kvm *kvm, gpa_t gpa, void *data, unsigned long len);
363 int kvm_write_guest_page(struct kvm *kvm, gfn_t gfn, const void *data,
364 int offset, int len);
365 int kvm_write_guest(struct kvm *kvm, gpa_t gpa, const void *data,
367 int kvm_write_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
368 void *data, unsigned long len);
369 int kvm_gfn_to_hva_cache_init(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
371 int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len);
372 int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len);
373 struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn);
374 int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn);
375 unsigned long kvm_host_page_size(struct kvm *kvm, gfn_t gfn);
376 void mark_page_dirty(struct kvm *kvm, gfn_t gfn);
377 void mark_page_dirty_in_slot(struct kvm *kvm, struct kvm_memory_slot *memslot,
380 void kvm_vcpu_block(struct kvm_vcpu *vcpu);
381 void kvm_vcpu_on_spin(struct kvm_vcpu *vcpu);
382 void kvm_resched(struct kvm_vcpu *vcpu);
383 void kvm_load_guest_fpu(struct kvm_vcpu *vcpu);
384 void kvm_put_guest_fpu(struct kvm_vcpu *vcpu);
385 void kvm_flush_remote_tlbs(struct kvm *kvm);
386 void kvm_reload_remote_mmus(struct kvm *kvm);
388 long kvm_arch_dev_ioctl(struct file *filp,
389 unsigned int ioctl, unsigned long arg);
390 long kvm_arch_vcpu_ioctl(struct file *filp,
391 unsigned int ioctl, unsigned long arg);
393 int kvm_dev_ioctl_check_extension(long ext);
395 int kvm_get_dirty_log(struct kvm *kvm,
396 struct kvm_dirty_log *log, int *is_dirty);
397 int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm,
398 struct kvm_dirty_log *log);
400 int kvm_vm_ioctl_set_memory_region(struct kvm *kvm,
402 kvm_userspace_memory_region *mem,
404 long kvm_arch_vm_ioctl(struct file *filp,
405 unsigned int ioctl, unsigned long arg);
407 int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu);
408 int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu);
410 int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
411 struct kvm_translation *tr);
413 int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs);
414 int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs);
415 int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
416 struct kvm_sregs *sregs);
417 int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
418 struct kvm_sregs *sregs);
419 int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu,
420 struct kvm_mp_state *mp_state);
421 int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,
422 struct kvm_mp_state *mp_state);
423 int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
424 struct kvm_guest_debug *dbg);
425 int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run);
427 int kvm_arch_init(void *opaque);
428 void kvm_arch_exit(void);
430 int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu);
431 void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu);
433 void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu);
434 void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
435 void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu);
436 struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id);
437 int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu);
438 void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu);
440 int kvm_arch_vcpu_reset(struct kvm_vcpu *vcpu);
441 int kvm_arch_hardware_enable(void *garbage);
442 void kvm_arch_hardware_disable(void *garbage);
443 int kvm_arch_hardware_setup(void);
444 void kvm_arch_hardware_unsetup(void);
445 void kvm_arch_check_processor_compat(void *rtn);
446 int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu);
448 void kvm_free_physmem(struct kvm *kvm);
450 #ifndef __KVM_HAVE_ARCH_VM_ALLOC
451 static inline struct kvm *kvm_arch_alloc_vm(void)
453 return kzalloc(sizeof(struct kvm), GFP_KERNEL);
456 static inline void kvm_arch_free_vm(struct kvm *kvm)
462 int kvm_arch_init_vm(struct kvm *kvm);
463 void kvm_arch_destroy_vm(struct kvm *kvm);
464 void kvm_free_all_assigned_devices(struct kvm *kvm);
465 void kvm_arch_sync_events(struct kvm *kvm);
467 int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu);
468 void kvm_vcpu_kick(struct kvm_vcpu *vcpu);
470 int kvm_is_mmio_pfn(pfn_t pfn);
472 struct kvm_irq_ack_notifier {
473 struct hlist_node link;
475 void (*irq_acked)(struct kvm_irq_ack_notifier *kian);
478 struct kvm_assigned_dev_kernel {
479 struct kvm_irq_ack_notifier ack_notifier;
480 struct list_head list;
485 unsigned int entries_nr;
487 bool host_irq_disabled;
488 struct msix_entry *host_msix_entries;
490 struct msix_entry *guest_msix_entries;
491 unsigned long irq_requested_type;
496 spinlock_t intx_lock;
500 struct kvm_irq_mask_notifier {
501 void (*func)(struct kvm_irq_mask_notifier *kimn, bool masked);
503 struct hlist_node link;
506 void kvm_register_irq_mask_notifier(struct kvm *kvm, int irq,
507 struct kvm_irq_mask_notifier *kimn);
508 void kvm_unregister_irq_mask_notifier(struct kvm *kvm, int irq,
509 struct kvm_irq_mask_notifier *kimn);
510 void kvm_fire_mask_notifiers(struct kvm *kvm, unsigned irqchip, unsigned pin,
513 #ifdef __KVM_HAVE_IOAPIC
514 void kvm_get_intr_delivery_bitmask(struct kvm_ioapic *ioapic,
515 union kvm_ioapic_redirect_entry *entry,
516 unsigned long *deliver_bitmask);
518 int kvm_set_irq(struct kvm *kvm, int irq_source_id, u32 irq, int level);
519 int kvm_set_msi(struct kvm_kernel_irq_routing_entry *irq_entry, struct kvm *kvm,
520 int irq_source_id, int level);
521 void kvm_notify_acked_irq(struct kvm *kvm, unsigned irqchip, unsigned pin);
522 void kvm_register_irq_ack_notifier(struct kvm *kvm,
523 struct kvm_irq_ack_notifier *kian);
524 void kvm_unregister_irq_ack_notifier(struct kvm *kvm,
525 struct kvm_irq_ack_notifier *kian);
526 int kvm_request_irq_source_id(struct kvm *kvm);
527 void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id);
529 /* For vcpu->arch.iommu_flags */
530 #define KVM_IOMMU_CACHE_COHERENCY 0x1
532 #ifdef CONFIG_IOMMU_API
533 int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot);
534 int kvm_iommu_map_guest(struct kvm *kvm);
535 int kvm_iommu_unmap_guest(struct kvm *kvm);
536 int kvm_assign_device(struct kvm *kvm,
537 struct kvm_assigned_dev_kernel *assigned_dev);
538 int kvm_deassign_device(struct kvm *kvm,
539 struct kvm_assigned_dev_kernel *assigned_dev);
540 #else /* CONFIG_IOMMU_API */
541 static inline int kvm_iommu_map_pages(struct kvm *kvm,
542 struct kvm_memory_slot *slot)
547 static inline int kvm_iommu_map_guest(struct kvm *kvm)
552 static inline int kvm_iommu_unmap_guest(struct kvm *kvm)
557 static inline int kvm_assign_device(struct kvm *kvm,
558 struct kvm_assigned_dev_kernel *assigned_dev)
563 static inline int kvm_deassign_device(struct kvm *kvm,
564 struct kvm_assigned_dev_kernel *assigned_dev)
568 #endif /* CONFIG_IOMMU_API */
570 static inline void kvm_guest_enter(void)
572 account_system_vtime(current);
573 current->flags |= PF_VCPU;
576 static inline void kvm_guest_exit(void)
578 account_system_vtime(current);
579 current->flags &= ~PF_VCPU;
582 static inline unsigned long gfn_to_hva_memslot(struct kvm_memory_slot *slot,
585 return slot->userspace_addr + (gfn - slot->base_gfn) * PAGE_SIZE;
588 static inline gpa_t gfn_to_gpa(gfn_t gfn)
590 return (gpa_t)gfn << PAGE_SHIFT;
593 static inline gfn_t gpa_to_gfn(gpa_t gpa)
595 return (gfn_t)(gpa >> PAGE_SHIFT);
598 static inline hpa_t pfn_to_hpa(pfn_t pfn)
600 return (hpa_t)pfn << PAGE_SHIFT;
603 static inline void kvm_migrate_timers(struct kvm_vcpu *vcpu)
605 set_bit(KVM_REQ_MIGRATE_TIMER, &vcpu->requests);
613 struct kvm_stats_debugfs_item {
616 enum kvm_stat_kind kind;
617 struct dentry *dentry;
619 extern struct kvm_stats_debugfs_item debugfs_entries[];
620 extern struct dentry *kvm_debugfs_dir;
622 #ifdef KVM_ARCH_WANT_MMU_NOTIFIER
623 static inline int mmu_notifier_retry(struct kvm_vcpu *vcpu, unsigned long mmu_seq)
625 if (unlikely(vcpu->kvm->mmu_notifier_count))
628 * Both reads happen under the mmu_lock and both values are
629 * modified under mmu_lock, so there's no need of smb_rmb()
630 * here in between, otherwise mmu_notifier_count should be
631 * read before mmu_notifier_seq, see
632 * mmu_notifier_invalidate_range_end write side.
634 if (vcpu->kvm->mmu_notifier_seq != mmu_seq)
640 #ifdef CONFIG_HAVE_KVM_IRQCHIP
642 #define KVM_MAX_IRQ_ROUTES 1024
644 int kvm_setup_default_irq_routing(struct kvm *kvm);
645 int kvm_set_irq_routing(struct kvm *kvm,
646 const struct kvm_irq_routing_entry *entries,
649 void kvm_free_irq_routing(struct kvm *kvm);
653 static inline void kvm_free_irq_routing(struct kvm *kvm) {}
657 #ifdef CONFIG_HAVE_KVM_EVENTFD
659 void kvm_eventfd_init(struct kvm *kvm);
660 int kvm_irqfd(struct kvm *kvm, int fd, int gsi, int flags);
661 void kvm_irqfd_release(struct kvm *kvm);
662 void kvm_irq_routing_update(struct kvm *, struct kvm_irq_routing_table *);
663 int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args);
667 static inline void kvm_eventfd_init(struct kvm *kvm) {}
669 static inline int kvm_irqfd(struct kvm *kvm, int fd, int gsi, int flags)
674 static inline void kvm_irqfd_release(struct kvm *kvm) {}
676 static inline void kvm_irq_routing_update(struct kvm *kvm,
677 struct kvm_irq_routing_table *irq_rt)
679 rcu_assign_pointer(kvm->irq_routing, irq_rt);
682 static inline int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)
687 #endif /* CONFIG_HAVE_KVM_EVENTFD */
689 #ifdef CONFIG_KVM_APIC_ARCHITECTURE
690 static inline bool kvm_vcpu_is_bsp(struct kvm_vcpu *vcpu)
692 return vcpu->kvm->bsp_vcpu_id == vcpu->vcpu_id;
696 #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
698 long kvm_vm_ioctl_assigned_device(struct kvm *kvm, unsigned ioctl,
703 static inline long kvm_vm_ioctl_assigned_device(struct kvm *kvm, unsigned ioctl,
711 static inline void kvm_make_request(int req, struct kvm_vcpu *vcpu)
713 set_bit(req, &vcpu->requests);
716 static inline bool kvm_make_check_request(int req, struct kvm_vcpu *vcpu)
718 return test_and_set_bit(req, &vcpu->requests);
721 static inline bool kvm_check_request(int req, struct kvm_vcpu *vcpu)
723 if (test_bit(req, &vcpu->requests)) {
724 clear_bit(req, &vcpu->requests);