193 bool kvm_make_vcpus_request_mask(struct kvm *kvm, unsigned int req,
195 bool kvm_make_all_cpus_request(struct kvm *kvm, unsigned int req);
231 int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
233 int kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx,
235 struct kvm_io_device *kvm_io_bus_get_dev(struct kvm *kvm, enum kvm_bus bus_idx,
270 bool kvm_unmap_gfn_range(struct kvm *kvm, struct kvm_gfn_range *range);
271 bool kvm_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range);
272 bool kvm_test_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range);
324 	struct kvm *kvm;  member
661 		   struct kvm *kvm, int irq_source_id, int level,
694 bool kvm_arch_irqchip_in_kernel(struct kvm *kvm);
704 static inline int kvm_arch_nr_memslot_as_ids(struct kvm *kvm)  in kvm_arch_nr_memslot_as_ids()  argument
720 static inline bool kvm_arch_has_private_mem(struct kvm *kvm)  in kvm_arch_has_private_mem()  argument
727 static inline bool kvm_arch_has_readonly_mem(struct kvm *kvm)  in kvm_arch_has_readonly_mem()  argument
750 struct kvm {  struct
888 static inline void kvm_vm_dead(struct kvm *kvm)  in kvm_vm_dead()  argument
890 	kvm->vm_dead = true;  in kvm_vm_dead()
891 	kvm_make_all_cpus_request(kvm, KVM_REQ_VM_DEAD);  in kvm_vm_dead()
894 static inline void kvm_vm_bugged(struct kvm *kvm)  in kvm_vm_bugged()  argument
896 	kvm->vm_bugged = true;  in kvm_vm_bugged()
897 	kvm_vm_dead(kvm);  in kvm_vm_bugged()
901 #define KVM_BUG(cond, kvm, fmt...)				\  argument
905 	if (WARN_ONCE(__ret && !(kvm)->vm_bugged, fmt))		\
906 		kvm_vm_bugged(kvm);				\
910 #define KVM_BUG_ON(cond, kvm)					\  argument
914 	if (WARN_ON_ONCE(__ret && !(kvm)->vm_bugged))		\
915 		kvm_vm_bugged(kvm);				\
927 #define KVM_BUG_ON_DATA_CORRUPTION(cond, kvm)			\  argument
933 	else if (WARN_ON_ONCE(__ret && !(kvm)->vm_bugged))	\
934 		kvm_vm_bugged(kvm);				\
944 	vcpu->____srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);  in kvm_vcpu_srcu_read_lock()
949 	srcu_read_unlock(&vcpu->kvm->srcu, vcpu->____srcu_idx);  in kvm_vcpu_srcu_read_unlock()
957 static inline bool kvm_dirty_log_manual_protect_and_init_set(struct kvm *kvm)  in kvm_dirty_log_manual_protect_and_init_set()  argument
959 	return !!(kvm->manual_dirty_log_protect & KVM_DIRTY_LOG_INITIALLY_SET);  in kvm_dirty_log_manual_protect_and_init_set()
962 static inline struct kvm_io_bus *kvm_get_bus(struct kvm *kvm, enum kvm_bus idx)  in kvm_get_bus()  argument
964 	return srcu_dereference_check(kvm->buses[idx], &kvm->srcu,  in kvm_get_bus()
965 				      lockdep_is_held(&kvm->slots_lock) ||  in kvm_get_bus()
966 				      !refcount_read(&kvm->users_count));  in kvm_get_bus()
969 static inline struct kvm_vcpu *kvm_get_vcpu(struct kvm *kvm, int i)  in kvm_get_vcpu()  argument
971 	int num_vcpus = atomic_read(&kvm->online_vcpus);  in kvm_get_vcpu()
976 	return xa_load(&kvm->vcpu_array, i);  in kvm_get_vcpu()
979 #define kvm_for_each_vcpu(idx, vcpup, kvm)		   \  argument
980 	xa_for_each_range(&kvm->vcpu_array, idx, vcpup, 0, \
981 			  (atomic_read(&kvm->online_vcpus) - 1))
983 static inline struct kvm_vcpu *kvm_get_vcpu_by_id(struct kvm *kvm, int id)  in kvm_get_vcpu_by_id()  argument
991 		vcpu = kvm_get_vcpu(kvm, id);  in kvm_get_vcpu_by_id()
994 	kvm_for_each_vcpu(i, vcpu, kvm)  in kvm_get_vcpu_by_id()
1000 void kvm_destroy_vcpus(struct kvm *kvm);
1006 void kvm_arch_post_irq_ack_notifier_list_update(struct kvm *kvm);
1007 void kvm_arch_post_irq_routing_update(struct kvm *kvm);
1009 static inline void kvm_arch_post_irq_ack_notifier_list_update(struct kvm *kvm)  in kvm_arch_post_irq_ack_notifier_list_update()  argument
1012 static inline void kvm_arch_post_irq_routing_update(struct kvm *kvm)  in kvm_arch_post_irq_routing_update()  argument
1033 void kvm_get_kvm(struct kvm *kvm);
1034 bool kvm_get_kvm_safe(struct kvm *kvm);
1035 void kvm_put_kvm(struct kvm *kvm);
1037 void kvm_put_kvm_no_destroy(struct kvm *kvm);
1039 static inline struct kvm_memslots *__kvm_memslots(struct kvm *kvm, int as_id)  in __kvm_memslots()  argument
1042 	return srcu_dereference_check(kvm->memslots[as_id], &kvm->srcu,  in __kvm_memslots()
1043 			lockdep_is_held(&kvm->slots_lock) ||  in __kvm_memslots()
1044 			!refcount_read(&kvm->users_count));  in __kvm_memslots()
1047 static inline struct kvm_memslots *kvm_memslots(struct kvm *kvm)  in kvm_memslots()  argument
1049 	return __kvm_memslots(kvm, 0);  in kvm_memslots()
1056 	return __kvm_memslots(vcpu->kvm, as_id);  in kvm_vcpu_memslots()
1064 bool kvm_are_all_memslots_empty(struct kvm *kvm);
1197 int kvm_set_memory_region(struct kvm *kvm,
1199 int __kvm_set_memory_region(struct kvm *kvm,
1201 void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *slot);
1202 void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen);
1203 int kvm_arch_prepare_memory_region(struct kvm *kvm,
1207 void kvm_arch_commit_memory_region(struct kvm *kvm,
1212 void kvm_arch_flush_shadow_all(struct kvm *kvm);
1214 void kvm_arch_flush_shadow_memslot(struct kvm *kvm,
1220 struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn);
1221 unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn);
1222 unsigned long gfn_to_hva_prot(struct kvm *kvm, gfn_t gfn, bool *writable);
1229 kvm_pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn);
1230 kvm_pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault,
1244 int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset,
1246 int kvm_read_guest(struct kvm *kvm, gpa_t gpa, void *data, unsigned long len);
1247 int kvm_read_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
1249 int kvm_read_guest_offset_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
1252 int kvm_write_guest_page(struct kvm *kvm, gfn_t gfn, const void *data,
1254 int kvm_write_guest(struct kvm *kvm, gpa_t gpa, const void *data,
1256 int kvm_write_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
1258 int kvm_write_guest_offset_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
1261 int kvm_gfn_to_hva_cache_init(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
1264 #define __kvm_get_guest(kvm, gfn, offset, v)				\  argument
1266 	unsigned long __addr = gfn_to_hva(kvm, gfn);			\
1275 #define kvm_get_guest(kvm, gpa, v)					\  argument
1278 	struct kvm *__kvm = kvm;					\
1284 #define __kvm_put_guest(kvm, gfn, offset, v)				\  argument
1286 	unsigned long __addr = gfn_to_hva(kvm, gfn);			\
1293 		mark_page_dirty(kvm, gfn);				\
1297 #define kvm_put_guest(kvm, gpa, v)					\  argument
1300 	struct kvm *__kvm = kvm;					\
1306 int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len);
1307 struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn);
1308 bool kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn);
1311 void mark_page_dirty_in_slot(struct kvm *kvm, const struct kvm_memory_slot *memslot, gfn_t gfn);
1312 void mark_page_dirty(struct kvm *kvm, gfn_t gfn);
1342 void kvm_gpc_init(struct gfn_to_pfn_cache *gpc, struct kvm *kvm);
1446 void kvm_flush_remote_tlbs(struct kvm *kvm);
1447 void kvm_flush_remote_tlbs_range(struct kvm *kvm, gfn_t gfn, u64 nr_pages);
1448 void kvm_flush_remote_tlbs_memslot(struct kvm *kvm,
1459 void kvm_mmu_invalidate_begin(struct kvm *kvm);
1460 void kvm_mmu_invalidate_range_add(struct kvm *kvm, gfn_t start, gfn_t end);
1461 void kvm_mmu_invalidate_end(struct kvm *kvm);
1462 bool kvm_mmu_unmap_gfn_range(struct kvm *kvm, struct kvm_gfn_range *range);
1470 int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext);
1472 void kvm_arch_mmu_enable_log_dirty_pt_masked(struct kvm *kvm,
1476 void kvm_arch_sync_dirty_log(struct kvm *kvm, struct kvm_memory_slot *memslot);
1479 int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log);
1480 int kvm_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log,
1484 int kvm_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_level,
1486 int kvm_vm_ioctl_enable_cap(struct kvm *kvm,
1514 int kvm_arch_vcpu_precreate(struct kvm *kvm, unsigned int id);
1520 int kvm_arch_pm_notifier(struct kvm *kvm, unsigned long state);
1553 int kvm_arch_post_init_vm(struct kvm *kvm);
1554 void kvm_arch_pre_destroy_vm(struct kvm *kvm);
1555 void kvm_arch_create_vm_debugfs(struct kvm *kvm);
1562 static inline struct kvm *kvm_arch_alloc_vm(void)  in kvm_arch_alloc_vm()
1564 	return kzalloc(sizeof(struct kvm), GFP_KERNEL_ACCOUNT);  in kvm_arch_alloc_vm()
1568 static inline void __kvm_arch_free_vm(struct kvm *kvm)  in __kvm_arch_free_vm()  argument
1570 	kvfree(kvm);  in __kvm_arch_free_vm()
1574 static inline void kvm_arch_free_vm(struct kvm *kvm)  in kvm_arch_free_vm()  argument
1576 	__kvm_arch_free_vm(kvm);  in kvm_arch_free_vm()
1581 static inline int kvm_arch_flush_remote_tlbs(struct kvm *kvm)  in kvm_arch_flush_remote_tlbs()  argument
1586 int kvm_arch_flush_remote_tlbs(struct kvm *kvm);
1590 static inline int kvm_arch_flush_remote_tlbs_range(struct kvm *kvm,  in kvm_arch_flush_remote_tlbs_range()  argument
1596 int kvm_arch_flush_remote_tlbs_range(struct kvm *kvm, gfn_t gfn, u64 nr_pages);
1600 void kvm_arch_register_noncoherent_dma(struct kvm *kvm);
1601 void kvm_arch_unregister_noncoherent_dma(struct kvm *kvm);
1602 bool kvm_arch_has_noncoherent_dma(struct kvm *kvm);
1604 static inline void kvm_arch_register_noncoherent_dma(struct kvm *kvm)  in kvm_arch_register_noncoherent_dma()  argument
1608 static inline void kvm_arch_unregister_noncoherent_dma(struct kvm *kvm)  in kvm_arch_unregister_noncoherent_dma()  argument
1612 static inline bool kvm_arch_has_noncoherent_dma(struct kvm *kvm)  in kvm_arch_has_noncoherent_dma()  argument
1618 void kvm_arch_start_assignment(struct kvm *kvm);
1619 void kvm_arch_end_assignment(struct kvm *kvm);
1620 bool kvm_arch_has_assigned_device(struct kvm *kvm);
1622 static inline void kvm_arch_start_assignment(struct kvm *kvm)  in kvm_arch_start_assignment()  argument
1626 static inline void kvm_arch_end_assignment(struct kvm *kvm)  in kvm_arch_end_assignment()  argument
1630 static __always_inline bool kvm_arch_has_assigned_device(struct kvm *kvm)  in kvm_arch_has_assigned_device()  argument
1665 bool kvm_arch_intc_initialized(struct kvm *kvm);
1667 static inline bool kvm_arch_intc_initialized(struct kvm *kvm)  in kvm_arch_intc_initialized()  argument
1683 int kvm_arch_init_vm(struct kvm *kvm, unsigned long type);
1684 void kvm_arch_destroy_vm(struct kvm *kvm);
1685 void kvm_arch_sync_events(struct kvm *kvm);
1698 int kvm_irq_map_gsi(struct kvm *kvm,
1700 int kvm_irq_map_chip_pin(struct kvm *kvm, unsigned irqchip, unsigned pin);
1702 int kvm_set_irq(struct kvm *kvm, int irq_source_id, u32 irq, int level,
1704 int kvm_set_msi(struct kvm_kernel_irq_routing_entry *irq_entry, struct kvm *kvm,
1707 			       struct kvm *kvm, int irq_source_id,
1709 bool kvm_irq_has_notifier(struct kvm *kvm, unsigned irqchip, unsigned pin);
1710 void kvm_notify_acked_gsi(struct kvm *kvm, int gsi);
1711 void kvm_notify_acked_irq(struct kvm *kvm, unsigned irqchip, unsigned pin);
1712 void kvm_register_irq_ack_notifier(struct kvm *kvm,
1714 void kvm_unregister_irq_ack_notifier(struct kvm *kvm,
1716 int kvm_request_irq_source_id(struct kvm *kvm);
1717 void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id);
1718 bool kvm_arch_irqfd_allowed(struct kvm *kvm, struct kvm_irqfd *args);
1808 static inline int memslot_id(struct kvm *kvm, gfn_t gfn)  in memslot_id()  argument
1810 	return gfn_to_memslot(kvm, gfn)->id;  in memslot_id()
1836 static inline bool kvm_is_gpa_in_memslot(struct kvm *kvm, gpa_t gpa)  in kvm_is_gpa_in_memslot()  argument
1838 	unsigned long hva = gfn_to_hva(kvm, gpa_to_gfn(gpa));  in kvm_is_gpa_in_memslot()
1850 	mark_page_dirty_in_slot(gpc->kvm, gpc->memslot, gpa_to_gfn(gpc->gpa));  in kvm_gpc_mark_dirty_in_slot()
1859 	struct kvm *kvm;  member
2036 static inline int mmu_invalidate_retry(struct kvm *kvm, unsigned long mmu_seq)  in mmu_invalidate_retry()  argument
2038 	if (unlikely(kvm->mmu_invalidate_in_progress))  in mmu_invalidate_retry()
2053 	if (kvm->mmu_invalidate_seq != mmu_seq)  in mmu_invalidate_retry()
2058 static inline int mmu_invalidate_retry_gfn(struct kvm *kvm,  in mmu_invalidate_retry_gfn()  argument
2062 	lockdep_assert_held(&kvm->mmu_lock);  in mmu_invalidate_retry_gfn()
2069 	if (unlikely(kvm->mmu_invalidate_in_progress)) {  in mmu_invalidate_retry_gfn()
2074 		if (WARN_ON_ONCE(kvm->mmu_invalidate_range_start == INVALID_GPA ||  in mmu_invalidate_retry_gfn()
2075 				 kvm->mmu_invalidate_range_end == INVALID_GPA))  in mmu_invalidate_retry_gfn()
2078 		if (gfn >= kvm->mmu_invalidate_range_start &&  in mmu_invalidate_retry_gfn()
2079 		    gfn < kvm->mmu_invalidate_range_end)  in mmu_invalidate_retry_gfn()
2083 	if (kvm->mmu_invalidate_seq != mmu_seq)  in mmu_invalidate_retry_gfn()
2094 static inline bool mmu_invalidate_retry_gfn_unsafe(struct kvm *kvm,  in mmu_invalidate_retry_gfn_unsafe()  argument
2106 	if (unlikely(READ_ONCE(kvm->mmu_invalidate_in_progress)) &&  in mmu_invalidate_retry_gfn_unsafe()
2107 	    gfn >= kvm->mmu_invalidate_range_start &&  in mmu_invalidate_retry_gfn_unsafe()
2108 	    gfn < kvm->mmu_invalidate_range_end)  in mmu_invalidate_retry_gfn_unsafe()
2111 	return READ_ONCE(kvm->mmu_invalidate_seq) != mmu_seq;  in mmu_invalidate_retry_gfn_unsafe()
2119 bool kvm_arch_can_set_irq_routing(struct kvm *kvm);
2120 int kvm_set_irq_routing(struct kvm *kvm,
2124 int kvm_init_irq_routing(struct kvm *kvm);
2125 int kvm_set_routing_entry(struct kvm *kvm,
2128 void kvm_free_irq_routing(struct kvm *kvm);
2132 static inline void kvm_free_irq_routing(struct kvm *kvm) {}  in kvm_free_irq_routing()  argument
2134 static inline int kvm_init_irq_routing(struct kvm *kvm)  in kvm_init_irq_routing()  argument
2141 int kvm_send_userspace_msi(struct kvm *kvm, struct kvm_msi *msi);
2143 void kvm_eventfd_init(struct kvm *kvm);
2144 int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args);
2147 int kvm_irqfd(struct kvm *kvm, struct kvm_irqfd *args);
2148 void kvm_irqfd_release(struct kvm *kvm);
2149 bool kvm_notify_irqfd_resampler(struct kvm *kvm,
2152 void kvm_irq_routing_update(struct kvm *);
2154 static inline int kvm_irqfd(struct kvm *kvm, struct kvm_irqfd *args)  in kvm_irqfd()  argument
2159 static inline void kvm_irqfd_release(struct kvm *kvm) {}  in kvm_irqfd_release()  argument
2161 static inline bool kvm_notify_irqfd_resampler(struct kvm *kvm,  in kvm_notify_irqfd_resampler()  argument
2169 void kvm_arch_irq_routing_update(struct kvm *kvm);
2236 	struct kvm *kvm;  member
2332 int kvm_arch_update_irqfd_routing(struct kvm *kvm, unsigned int host_irq,
2374 void kvm_arch_guest_memory_reclaimed(struct kvm *kvm);
2385 typedef int (*kvm_vm_thread_fn_t)(struct kvm *kvm, uintptr_t data);
2387 int kvm_vm_create_worker_thread(struct kvm *kvm, kvm_vm_thread_fn_t thread_fn,
2438 static inline unsigned long kvm_get_memory_attributes(struct kvm *kvm, gfn_t gfn)  in kvm_get_memory_attributes()  argument
2440 	return xa_to_value(xa_load(&kvm->mem_attr_array, gfn));  in kvm_get_memory_attributes()
2443 bool kvm_range_has_memory_attributes(struct kvm *kvm, gfn_t start, gfn_t end,
2445 bool kvm_arch_pre_set_memory_attributes(struct kvm *kvm,
2447 bool kvm_arch_post_set_memory_attributes(struct kvm *kvm,
2450 static inline bool kvm_mem_is_private(struct kvm *kvm, gfn_t gfn)  in kvm_mem_is_private()  argument
2453 	       kvm_get_memory_attributes(kvm, gfn) & KVM_MEMORY_ATTRIBUTE_PRIVATE;  in kvm_mem_is_private()
2456 static inline bool kvm_mem_is_private(struct kvm *kvm, gfn_t gfn)  in kvm_mem_is_private()  argument
2463 int kvm_gmem_get_pfn(struct kvm *kvm, struct kvm_memory_slot *slot,
2466 static inline int kvm_gmem_get_pfn(struct kvm *kvm,  in kvm_gmem_get_pfn()  argument
2470 	KVM_BUG_ON(1, kvm);  in kvm_gmem_get_pfn()
2476 int kvm_arch_gmem_prepare(struct kvm *kvm, gfn_t gfn, kvm_pfn_t pfn, int max_order);
2501 typedef int (*kvm_gmem_populate_cb)(struct kvm *kvm, gfn_t gfn, kvm_pfn_t pfn,
2504 long kvm_gmem_populate(struct kvm *kvm, gfn_t gfn, void __user *src, long npages,