Lines Matching refs:kvm
151 static void kvm_uevent_notify_change(unsigned int type, struct kvm *kvm);
155 __weak void kvm_arch_mmu_notifier_invalidate_range(struct kvm *kvm, in kvm_arch_mmu_notifier_invalidate_range() argument
257 bool kvm_make_vcpus_request_mask(struct kvm *kvm, unsigned int req, in kvm_make_vcpus_request_mask() argument
267 kvm_for_each_vcpu(i, vcpu, kvm) { in kvm_make_vcpus_request_mask()
289 bool kvm_make_all_cpus_request_except(struct kvm *kvm, unsigned int req, in kvm_make_all_cpus_request_except() argument
297 called = kvm_make_vcpus_request_mask(kvm, req, except, NULL, cpus); in kvm_make_all_cpus_request_except()
303 bool kvm_make_all_cpus_request(struct kvm *kvm, unsigned int req) in kvm_make_all_cpus_request() argument
305 return kvm_make_all_cpus_request_except(kvm, req, NULL); in kvm_make_all_cpus_request()
309 void kvm_flush_remote_tlbs(struct kvm *kvm) in kvm_flush_remote_tlbs() argument
315 long dirty_count = smp_load_acquire(&kvm->tlbs_dirty); in kvm_flush_remote_tlbs()
328 if (!kvm_arch_flush_remote_tlb(kvm) in kvm_flush_remote_tlbs()
329 || kvm_make_all_cpus_request(kvm, KVM_REQ_TLB_FLUSH)) in kvm_flush_remote_tlbs()
330 ++kvm->stat.remote_tlb_flush; in kvm_flush_remote_tlbs()
331 cmpxchg(&kvm->tlbs_dirty, dirty_count, 0); in kvm_flush_remote_tlbs()
336 void kvm_reload_remote_mmus(struct kvm *kvm) in kvm_reload_remote_mmus() argument
338 kvm_make_all_cpus_request(kvm, KVM_REQ_MMU_RELOAD); in kvm_reload_remote_mmus()
396 static void kvm_vcpu_init(struct kvm_vcpu *vcpu, struct kvm *kvm, unsigned id) in kvm_vcpu_init() argument
400 vcpu->kvm = kvm; in kvm_vcpu_init()
433 static inline struct kvm *mmu_notifier_to_kvm(struct mmu_notifier *mn) in mmu_notifier_to_kvm()
435 return container_of(mn, struct kvm, mmu_notifier); in mmu_notifier_to_kvm()
442 struct kvm *kvm = mmu_notifier_to_kvm(mn); in kvm_mmu_notifier_invalidate_range() local
445 idx = srcu_read_lock(&kvm->srcu); in kvm_mmu_notifier_invalidate_range()
446 kvm_arch_mmu_notifier_invalidate_range(kvm, start, end); in kvm_mmu_notifier_invalidate_range()
447 srcu_read_unlock(&kvm->srcu, idx); in kvm_mmu_notifier_invalidate_range()
455 struct kvm *kvm = mmu_notifier_to_kvm(mn); in kvm_mmu_notifier_change_pte() local
458 idx = srcu_read_lock(&kvm->srcu); in kvm_mmu_notifier_change_pte()
459 spin_lock(&kvm->mmu_lock); in kvm_mmu_notifier_change_pte()
460 kvm->mmu_notifier_seq++; in kvm_mmu_notifier_change_pte()
462 if (kvm_set_spte_hva(kvm, address, pte)) in kvm_mmu_notifier_change_pte()
463 kvm_flush_remote_tlbs(kvm); in kvm_mmu_notifier_change_pte()
465 spin_unlock(&kvm->mmu_lock); in kvm_mmu_notifier_change_pte()
466 srcu_read_unlock(&kvm->srcu, idx); in kvm_mmu_notifier_change_pte()
472 struct kvm *kvm = mmu_notifier_to_kvm(mn); in kvm_mmu_notifier_invalidate_range_start() local
475 idx = srcu_read_lock(&kvm->srcu); in kvm_mmu_notifier_invalidate_range_start()
476 spin_lock(&kvm->mmu_lock); in kvm_mmu_notifier_invalidate_range_start()
482 kvm->mmu_notifier_count++; in kvm_mmu_notifier_invalidate_range_start()
483 need_tlb_flush = kvm_unmap_hva_range(kvm, range->start, range->end, in kvm_mmu_notifier_invalidate_range_start()
485 need_tlb_flush |= kvm->tlbs_dirty; in kvm_mmu_notifier_invalidate_range_start()
488 kvm_flush_remote_tlbs(kvm); in kvm_mmu_notifier_invalidate_range_start()
490 spin_unlock(&kvm->mmu_lock); in kvm_mmu_notifier_invalidate_range_start()
491 srcu_read_unlock(&kvm->srcu, idx); in kvm_mmu_notifier_invalidate_range_start()
499 struct kvm *kvm = mmu_notifier_to_kvm(mn); in kvm_mmu_notifier_invalidate_range_end() local
501 spin_lock(&kvm->mmu_lock); in kvm_mmu_notifier_invalidate_range_end()
507 kvm->mmu_notifier_seq++; in kvm_mmu_notifier_invalidate_range_end()
514 kvm->mmu_notifier_count--; in kvm_mmu_notifier_invalidate_range_end()
515 spin_unlock(&kvm->mmu_lock); in kvm_mmu_notifier_invalidate_range_end()
517 BUG_ON(kvm->mmu_notifier_count < 0); in kvm_mmu_notifier_invalidate_range_end()
525 struct kvm *kvm = mmu_notifier_to_kvm(mn); in kvm_mmu_notifier_clear_flush_young() local
528 idx = srcu_read_lock(&kvm->srcu); in kvm_mmu_notifier_clear_flush_young()
529 spin_lock(&kvm->mmu_lock); in kvm_mmu_notifier_clear_flush_young()
531 young = kvm_age_hva(kvm, start, end); in kvm_mmu_notifier_clear_flush_young()
533 kvm_flush_remote_tlbs(kvm); in kvm_mmu_notifier_clear_flush_young()
535 spin_unlock(&kvm->mmu_lock); in kvm_mmu_notifier_clear_flush_young()
536 srcu_read_unlock(&kvm->srcu, idx); in kvm_mmu_notifier_clear_flush_young()
546 struct kvm *kvm = mmu_notifier_to_kvm(mn); in kvm_mmu_notifier_clear_young() local
549 idx = srcu_read_lock(&kvm->srcu); in kvm_mmu_notifier_clear_young()
550 spin_lock(&kvm->mmu_lock); in kvm_mmu_notifier_clear_young()
564 young = kvm_age_hva(kvm, start, end); in kvm_mmu_notifier_clear_young()
565 spin_unlock(&kvm->mmu_lock); in kvm_mmu_notifier_clear_young()
566 srcu_read_unlock(&kvm->srcu, idx); in kvm_mmu_notifier_clear_young()
575 struct kvm *kvm = mmu_notifier_to_kvm(mn); in kvm_mmu_notifier_test_young() local
578 idx = srcu_read_lock(&kvm->srcu); in kvm_mmu_notifier_test_young()
579 spin_lock(&kvm->mmu_lock); in kvm_mmu_notifier_test_young()
580 young = kvm_test_age_hva(kvm, address); in kvm_mmu_notifier_test_young()
581 spin_unlock(&kvm->mmu_lock); in kvm_mmu_notifier_test_young()
582 srcu_read_unlock(&kvm->srcu, idx); in kvm_mmu_notifier_test_young()
590 struct kvm *kvm = mmu_notifier_to_kvm(mn); in kvm_mmu_notifier_release() local
593 idx = srcu_read_lock(&kvm->srcu); in kvm_mmu_notifier_release()
594 kvm_arch_flush_shadow_all(kvm); in kvm_mmu_notifier_release()
595 srcu_read_unlock(&kvm->srcu, idx); in kvm_mmu_notifier_release()
609 static int kvm_init_mmu_notifier(struct kvm *kvm) in kvm_init_mmu_notifier() argument
611 kvm->mmu_notifier.ops = &kvm_mmu_notifier_ops; in kvm_init_mmu_notifier()
612 return mmu_notifier_register(&kvm->mmu_notifier, current->mm); in kvm_init_mmu_notifier()
617 static int kvm_init_mmu_notifier(struct kvm *kvm) in kvm_init_mmu_notifier() argument
648 static void kvm_free_memslot(struct kvm *kvm, struct kvm_memory_slot *slot) in kvm_free_memslot() argument
652 kvm_arch_free_memslot(kvm, slot); in kvm_free_memslot()
658 static void kvm_free_memslots(struct kvm *kvm, struct kvm_memslots *slots) in kvm_free_memslots() argument
666 kvm_free_memslot(kvm, memslot); in kvm_free_memslots()
671 static void kvm_destroy_vm_debugfs(struct kvm *kvm) in kvm_destroy_vm_debugfs() argument
675 if (!kvm->debugfs_dentry) in kvm_destroy_vm_debugfs()
678 debugfs_remove_recursive(kvm->debugfs_dentry); in kvm_destroy_vm_debugfs()
680 if (kvm->debugfs_stat_data) { in kvm_destroy_vm_debugfs()
682 kfree(kvm->debugfs_stat_data[i]); in kvm_destroy_vm_debugfs()
683 kfree(kvm->debugfs_stat_data); in kvm_destroy_vm_debugfs()
687 static int kvm_create_vm_debugfs(struct kvm *kvm, int fd) in kvm_create_vm_debugfs() argument
697 kvm->debugfs_dentry = debugfs_create_dir(dir_name, kvm_debugfs_dir); in kvm_create_vm_debugfs()
699 kvm->debugfs_stat_data = kcalloc(kvm_debugfs_num_entries, in kvm_create_vm_debugfs()
700 sizeof(*kvm->debugfs_stat_data), in kvm_create_vm_debugfs()
702 if (!kvm->debugfs_stat_data) in kvm_create_vm_debugfs()
710 stat_data->kvm = kvm; in kvm_create_vm_debugfs()
712 kvm->debugfs_stat_data[p - debugfs_entries] = stat_data; in kvm_create_vm_debugfs()
714 kvm->debugfs_dentry, stat_data, in kvm_create_vm_debugfs()
724 int __weak kvm_arch_post_init_vm(struct kvm *kvm) in kvm_arch_post_init_vm() argument
733 void __weak kvm_arch_pre_destroy_vm(struct kvm *kvm) in kvm_arch_pre_destroy_vm() argument
737 static struct kvm *kvm_create_vm(unsigned long type) in kvm_create_vm()
739 struct kvm *kvm = kvm_arch_alloc_vm(); in kvm_create_vm() local
743 if (!kvm) in kvm_create_vm()
746 spin_lock_init(&kvm->mmu_lock); in kvm_create_vm()
748 kvm->mm = current->mm; in kvm_create_vm()
749 kvm_eventfd_init(kvm); in kvm_create_vm()
750 mutex_init(&kvm->lock); in kvm_create_vm()
751 mutex_init(&kvm->irq_lock); in kvm_create_vm()
752 mutex_init(&kvm->slots_lock); in kvm_create_vm()
753 INIT_LIST_HEAD(&kvm->devices); in kvm_create_vm()
757 if (init_srcu_struct(&kvm->srcu)) in kvm_create_vm()
759 if (init_srcu_struct(&kvm->irq_srcu)) in kvm_create_vm()
762 refcount_set(&kvm->users_count, 1); in kvm_create_vm()
770 rcu_assign_pointer(kvm->memslots[i], slots); in kvm_create_vm()
774 rcu_assign_pointer(kvm->buses[i], in kvm_create_vm()
776 if (!kvm->buses[i]) in kvm_create_vm()
780 kvm->max_halt_poll_ns = halt_poll_ns; in kvm_create_vm()
782 r = kvm_arch_init_vm(kvm, type); in kvm_create_vm()
791 INIT_HLIST_HEAD(&kvm->irq_ack_notifier_list); in kvm_create_vm()
794 r = kvm_init_mmu_notifier(kvm); in kvm_create_vm()
798 r = kvm_arch_post_init_vm(kvm); in kvm_create_vm()
803 list_add(&kvm->vm_list, &vm_list); in kvm_create_vm()
808 return kvm; in kvm_create_vm()
812 if (kvm->mmu_notifier.ops) in kvm_create_vm()
813 mmu_notifier_unregister(&kvm->mmu_notifier, current->mm); in kvm_create_vm()
818 kvm_arch_destroy_vm(kvm); in kvm_create_vm()
820 WARN_ON_ONCE(!refcount_dec_and_test(&kvm->users_count)); in kvm_create_vm()
822 kfree(kvm_get_bus(kvm, i)); in kvm_create_vm()
824 kvm_free_memslots(kvm, __kvm_memslots(kvm, i)); in kvm_create_vm()
825 cleanup_srcu_struct(&kvm->irq_srcu); in kvm_create_vm()
827 cleanup_srcu_struct(&kvm->srcu); in kvm_create_vm()
829 kvm_arch_free_vm(kvm); in kvm_create_vm()
834 static void kvm_destroy_devices(struct kvm *kvm) in kvm_destroy_devices() argument
843 list_for_each_entry_safe(dev, tmp, &kvm->devices, vm_node) { in kvm_destroy_devices()
849 static void kvm_destroy_vm(struct kvm *kvm) in kvm_destroy_vm() argument
852 struct mm_struct *mm = kvm->mm; in kvm_destroy_vm()
854 kvm_uevent_notify_change(KVM_EVENT_DESTROY_VM, kvm); in kvm_destroy_vm()
855 kvm_destroy_vm_debugfs(kvm); in kvm_destroy_vm()
856 kvm_arch_sync_events(kvm); in kvm_destroy_vm()
858 list_del(&kvm->vm_list); in kvm_destroy_vm()
860 kvm_arch_pre_destroy_vm(kvm); in kvm_destroy_vm()
862 kvm_free_irq_routing(kvm); in kvm_destroy_vm()
864 struct kvm_io_bus *bus = kvm_get_bus(kvm, i); in kvm_destroy_vm()
868 kvm->buses[i] = NULL; in kvm_destroy_vm()
870 kvm_coalesced_mmio_free(kvm); in kvm_destroy_vm()
872 mmu_notifier_unregister(&kvm->mmu_notifier, kvm->mm); in kvm_destroy_vm()
874 kvm_arch_flush_shadow_all(kvm); in kvm_destroy_vm()
876 kvm_arch_destroy_vm(kvm); in kvm_destroy_vm()
877 kvm_destroy_devices(kvm); in kvm_destroy_vm()
879 kvm_free_memslots(kvm, __kvm_memslots(kvm, i)); in kvm_destroy_vm()
880 cleanup_srcu_struct(&kvm->irq_srcu); in kvm_destroy_vm()
881 cleanup_srcu_struct(&kvm->srcu); in kvm_destroy_vm()
882 kvm_arch_free_vm(kvm); in kvm_destroy_vm()
888 void kvm_get_kvm(struct kvm *kvm) in kvm_get_kvm() argument
890 refcount_inc(&kvm->users_count); in kvm_get_kvm()
894 void kvm_put_kvm(struct kvm *kvm) in kvm_put_kvm() argument
896 if (refcount_dec_and_test(&kvm->users_count)) in kvm_put_kvm()
897 kvm_destroy_vm(kvm); in kvm_put_kvm()
908 void kvm_put_kvm_no_destroy(struct kvm *kvm) in kvm_put_kvm_no_destroy() argument
910 WARN_ON(refcount_dec_and_test(&kvm->users_count)); in kvm_put_kvm_no_destroy()
916 struct kvm *kvm = filp->private_data; in kvm_vm_release() local
918 kvm_irqfd_release(kvm); in kvm_vm_release()
920 kvm_put_kvm(kvm); in kvm_vm_release()
1115 static struct kvm_memslots *install_new_memslots(struct kvm *kvm, in install_new_memslots() argument
1118 struct kvm_memslots *old_memslots = __kvm_memslots(kvm, as_id); in install_new_memslots()
1124 rcu_assign_pointer(kvm->memslots[as_id], slots); in install_new_memslots()
1125 synchronize_srcu_expedited(&kvm->srcu); in install_new_memslots()
1144 kvm_arch_memslots_updated(kvm, gen); in install_new_memslots()
1177 static int kvm_set_memslot(struct kvm *kvm, in kvm_set_memslot() argument
1187 slots = kvm_dup_memslots(__kvm_memslots(kvm, as_id), change); in kvm_set_memslot()
1205 slots = install_new_memslots(kvm, as_id, slots); in kvm_set_memslot()
1214 kvm_arch_flush_shadow_memslot(kvm, slot); in kvm_set_memslot()
1217 r = kvm_arch_prepare_memory_region(kvm, new, mem, change); in kvm_set_memslot()
1222 slots = install_new_memslots(kvm, as_id, slots); in kvm_set_memslot()
1224 kvm_arch_commit_memory_region(kvm, mem, old, new, change); in kvm_set_memslot()
1231 slots = install_new_memslots(kvm, as_id, slots); in kvm_set_memslot()
1236 static int kvm_delete_memslot(struct kvm *kvm, in kvm_delete_memslot() argument
1254 r = kvm_set_memslot(kvm, mem, old, &new, as_id, KVM_MR_DELETE); in kvm_delete_memslot()
1258 kvm_free_memslot(kvm, old); in kvm_delete_memslot()
1270 int __kvm_set_memory_region(struct kvm *kvm, in __kvm_set_memory_region() argument
1307 tmp = id_to_memslot(__kvm_memslots(kvm, as_id), id); in __kvm_set_memory_region()
1317 return kvm_delete_memslot(kvm, mem, &old, as_id); in __kvm_set_memory_region()
1353 kvm_for_each_memslot(tmp, __kvm_memslots(kvm, as_id)) { in __kvm_set_memory_region()
1370 if (kvm_dirty_log_manual_protect_and_init_set(kvm)) in __kvm_set_memory_region()
1374 r = kvm_set_memslot(kvm, mem, &old, &new, as_id, change); in __kvm_set_memory_region()
1389 int kvm_set_memory_region(struct kvm *kvm, in kvm_set_memory_region() argument
1394 mutex_lock(&kvm->slots_lock); in kvm_set_memory_region()
1395 r = __kvm_set_memory_region(kvm, mem); in kvm_set_memory_region()
1396 mutex_unlock(&kvm->slots_lock); in kvm_set_memory_region()
1401 static int kvm_vm_ioctl_set_memory_region(struct kvm *kvm, in kvm_vm_ioctl_set_memory_region() argument
1407 return kvm_set_memory_region(kvm, mem); in kvm_vm_ioctl_set_memory_region()
1418 int kvm_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log, in kvm_get_dirty_log() argument
1434 slots = __kvm_memslots(kvm, as_id); in kvm_get_dirty_log()
1439 kvm_arch_sync_dirty_log(kvm, *memslot); in kvm_get_dirty_log()
1477 static int kvm_get_dirty_log_protect(struct kvm *kvm, struct kvm_dirty_log *log) in kvm_get_dirty_log_protect() argument
1492 slots = __kvm_memslots(kvm, as_id); in kvm_get_dirty_log_protect()
1499 kvm_arch_sync_dirty_log(kvm, memslot); in kvm_get_dirty_log_protect()
1503 if (kvm->manual_dirty_log_protect) { in kvm_get_dirty_log_protect()
1517 spin_lock(&kvm->mmu_lock); in kvm_get_dirty_log_protect()
1530 kvm_arch_mmu_enable_log_dirty_pt_masked(kvm, memslot, in kvm_get_dirty_log_protect()
1533 spin_unlock(&kvm->mmu_lock); in kvm_get_dirty_log_protect()
1537 kvm_arch_flush_remote_tlbs_memslot(kvm, memslot); in kvm_get_dirty_log_protect()
1564 static int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, in kvm_vm_ioctl_get_dirty_log() argument
1569 mutex_lock(&kvm->slots_lock); in kvm_vm_ioctl_get_dirty_log()
1571 r = kvm_get_dirty_log_protect(kvm, log); in kvm_vm_ioctl_get_dirty_log()
1573 mutex_unlock(&kvm->slots_lock); in kvm_vm_ioctl_get_dirty_log()
1583 static int kvm_clear_dirty_log_protect(struct kvm *kvm, in kvm_clear_dirty_log_protect() argument
1603 slots = __kvm_memslots(kvm, as_id); in kvm_clear_dirty_log_protect()
1617 kvm_arch_sync_dirty_log(kvm, memslot); in kvm_clear_dirty_log_protect()
1624 spin_lock(&kvm->mmu_lock); in kvm_clear_dirty_log_protect()
1643 kvm_arch_mmu_enable_log_dirty_pt_masked(kvm, memslot, in kvm_clear_dirty_log_protect()
1647 spin_unlock(&kvm->mmu_lock); in kvm_clear_dirty_log_protect()
1650 kvm_arch_flush_remote_tlbs_memslot(kvm, memslot); in kvm_clear_dirty_log_protect()
1655 static int kvm_vm_ioctl_clear_dirty_log(struct kvm *kvm, in kvm_vm_ioctl_clear_dirty_log() argument
1660 mutex_lock(&kvm->slots_lock); in kvm_vm_ioctl_clear_dirty_log()
1662 r = kvm_clear_dirty_log_protect(kvm, log); in kvm_vm_ioctl_clear_dirty_log()
1664 mutex_unlock(&kvm->slots_lock); in kvm_vm_ioctl_clear_dirty_log()
1669 struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn) in gfn_to_memslot() argument
1671 return __gfn_to_memslot(kvm_memslots(kvm), gfn); in gfn_to_memslot()
1681 bool kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn) in kvm_is_visible_gfn() argument
1683 struct kvm_memory_slot *memslot = gfn_to_memslot(kvm, gfn); in kvm_is_visible_gfn()
1754 unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn) in gfn_to_hva() argument
1756 return gfn_to_hva_many(gfn_to_memslot(kvm, gfn), gfn, NULL); in gfn_to_hva()
1785 unsigned long gfn_to_hva_prot(struct kvm *kvm, gfn_t gfn, bool *writable) in gfn_to_hva_prot() argument
1787 struct kvm_memory_slot *slot = gfn_to_memslot(kvm, gfn); in gfn_to_hva_prot()
2026 kvm_pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault, in gfn_to_pfn_prot() argument
2029 return __gfn_to_pfn_memslot(gfn_to_memslot(kvm, gfn), gfn, false, NULL, in gfn_to_pfn_prot()
2052 kvm_pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn) in gfn_to_pfn() argument
2054 return gfn_to_pfn_memslot(gfn_to_memslot(kvm, gfn), gfn); in gfn_to_pfn()
2094 struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn) in gfn_to_page() argument
2098 pfn = gfn_to_pfn(kvm, gfn); in gfn_to_page()
2187 return __kvm_map_gfn(kvm_memslots(vcpu->kvm), gfn, map, in kvm_map_gfn()
2238 __kvm_unmap_gfn(gfn_to_memslot(vcpu->kvm, map->gfn), map, in kvm_unmap_gfn()
2335 int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset, in kvm_read_guest_page() argument
2338 struct kvm_memory_slot *slot = gfn_to_memslot(kvm, gfn); in kvm_read_guest_page()
2353 int kvm_read_guest(struct kvm *kvm, gpa_t gpa, void *data, unsigned long len) in kvm_read_guest() argument
2361 ret = kvm_read_guest_page(kvm, gfn, data, offset, seg); in kvm_read_guest()
2437 int kvm_write_guest_page(struct kvm *kvm, gfn_t gfn, in kvm_write_guest_page() argument
2440 struct kvm_memory_slot *slot = gfn_to_memslot(kvm, gfn); in kvm_write_guest_page()
2455 int kvm_write_guest(struct kvm *kvm, gpa_t gpa, const void *data, in kvm_write_guest() argument
2464 ret = kvm_write_guest_page(kvm, gfn, data, offset, seg); in kvm_write_guest()
2538 int kvm_gfn_to_hva_cache_init(struct kvm *kvm, struct gfn_to_hva_cache *ghc, in kvm_gfn_to_hva_cache_init() argument
2541 struct kvm_memslots *slots = kvm_memslots(kvm); in kvm_gfn_to_hva_cache_init()
2546 int kvm_write_guest_offset_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc, in kvm_write_guest_offset_cached() argument
2550 struct kvm_memslots *slots = kvm_memslots(kvm); in kvm_write_guest_offset_cached()
2565 return kvm_write_guest(kvm, gpa, data, len); in kvm_write_guest_offset_cached()
2576 int kvm_write_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc, in kvm_write_guest_cached() argument
2579 return kvm_write_guest_offset_cached(kvm, ghc, data, 0, len); in kvm_write_guest_cached()
2583 int kvm_read_guest_offset_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc, in kvm_read_guest_offset_cached() argument
2587 struct kvm_memslots *slots = kvm_memslots(kvm); in kvm_read_guest_offset_cached()
2602 return kvm_read_guest(kvm, gpa, data, len); in kvm_read_guest_offset_cached()
2612 int kvm_read_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc, in kvm_read_guest_cached() argument
2615 return kvm_read_guest_offset_cached(kvm, ghc, data, 0, len); in kvm_read_guest_cached()
2619 int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len) in kvm_clear_guest_page() argument
2623 return kvm_write_guest_page(kvm, gfn, zero_page, offset, len); in kvm_clear_guest_page()
2627 int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len) in kvm_clear_guest() argument
2635 ret = kvm_clear_guest_page(kvm, gfn, offset, seg); in kvm_clear_guest()
2656 void mark_page_dirty(struct kvm *kvm, gfn_t gfn) in mark_page_dirty() argument
2660 memslot = gfn_to_memslot(kvm, gfn); in mark_page_dirty()
2737 int idx = srcu_read_lock(&vcpu->kvm->srcu); in kvm_vcpu_check_block()
2750 srcu_read_unlock(&vcpu->kvm->srcu, idx); in kvm_vcpu_check_block()
2816 } else if (vcpu->kvm->max_halt_poll_ns) { in kvm_vcpu_block()
2821 block_ns > vcpu->kvm->max_halt_poll_ns) in kvm_vcpu_block()
2824 else if (vcpu->halt_poll_ns < vcpu->kvm->max_halt_poll_ns && in kvm_vcpu_block()
2825 block_ns < vcpu->kvm->max_halt_poll_ns) in kvm_vcpu_block()
2957 struct kvm *kvm = me->kvm; in kvm_vcpu_on_spin() local
2959 int last_boosted_vcpu = me->kvm->last_boosted_vcpu; in kvm_vcpu_on_spin()
2974 kvm_for_each_vcpu(i, vcpu, kvm) { in kvm_vcpu_on_spin()
2995 kvm->last_boosted_vcpu = i; in kvm_vcpu_on_spin()
3024 page = virt_to_page(vcpu->kvm->coalesced_mmio_ring); in kvm_vcpu_fault()
3047 kvm_put_kvm(vcpu->kvm); in kvm_vcpu_release()
3081 vcpu->kvm->debugfs_dentry); in kvm_create_vcpu_debugfs()
3090 static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id) in kvm_vm_ioctl_create_vcpu() argument
3099 mutex_lock(&kvm->lock); in kvm_vm_ioctl_create_vcpu()
3100 if (kvm->created_vcpus == KVM_MAX_VCPUS) { in kvm_vm_ioctl_create_vcpu()
3101 mutex_unlock(&kvm->lock); in kvm_vm_ioctl_create_vcpu()
3105 kvm->created_vcpus++; in kvm_vm_ioctl_create_vcpu()
3106 mutex_unlock(&kvm->lock); in kvm_vm_ioctl_create_vcpu()
3108 r = kvm_arch_vcpu_precreate(kvm, id); in kvm_vm_ioctl_create_vcpu()
3126 kvm_vcpu_init(vcpu, kvm, id); in kvm_vm_ioctl_create_vcpu()
3132 mutex_lock(&kvm->lock); in kvm_vm_ioctl_create_vcpu()
3133 if (kvm_get_vcpu_by_id(kvm, id)) { in kvm_vm_ioctl_create_vcpu()
3138 vcpu->vcpu_idx = atomic_read(&kvm->online_vcpus); in kvm_vm_ioctl_create_vcpu()
3139 BUG_ON(kvm->vcpus[vcpu->vcpu_idx]); in kvm_vm_ioctl_create_vcpu()
3142 kvm_get_kvm(kvm); in kvm_vm_ioctl_create_vcpu()
3145 kvm_put_kvm_no_destroy(kvm); in kvm_vm_ioctl_create_vcpu()
3149 kvm->vcpus[vcpu->vcpu_idx] = vcpu; in kvm_vm_ioctl_create_vcpu()
3156 atomic_inc(&kvm->online_vcpus); in kvm_vm_ioctl_create_vcpu()
3158 mutex_unlock(&kvm->lock); in kvm_vm_ioctl_create_vcpu()
3164 mutex_unlock(&kvm->lock); in kvm_vm_ioctl_create_vcpu()
3171 mutex_lock(&kvm->lock); in kvm_vm_ioctl_create_vcpu()
3172 kvm->created_vcpus--; in kvm_vm_ioctl_create_vcpu()
3173 mutex_unlock(&kvm->lock); in kvm_vm_ioctl_create_vcpu()
3197 if (vcpu->kvm->mm != current->mm) in kvm_vcpu_ioctl()
3403 if (vcpu->kvm->mm != current->mm) in kvm_vcpu_compat_ioctl()
3469 if (dev->kvm->mm != current->mm) in kvm_device_ioctl()
3490 struct kvm *kvm = dev->kvm; in kvm_device_release() local
3493 mutex_lock(&kvm->lock); in kvm_device_release()
3496 mutex_unlock(&kvm->lock); in kvm_device_release()
3499 kvm_put_kvm(kvm); in kvm_device_release()
3543 static int kvm_ioctl_create_device(struct kvm *kvm, in kvm_ioctl_create_device() argument
3568 dev->kvm = kvm; in kvm_ioctl_create_device()
3570 mutex_lock(&kvm->lock); in kvm_ioctl_create_device()
3573 mutex_unlock(&kvm->lock); in kvm_ioctl_create_device()
3577 list_add(&dev->vm_node, &kvm->devices); in kvm_ioctl_create_device()
3578 mutex_unlock(&kvm->lock); in kvm_ioctl_create_device()
3583 kvm_get_kvm(kvm); in kvm_ioctl_create_device()
3586 kvm_put_kvm_no_destroy(kvm); in kvm_ioctl_create_device()
3587 mutex_lock(&kvm->lock); in kvm_ioctl_create_device()
3589 mutex_unlock(&kvm->lock); in kvm_ioctl_create_device()
3598 static long kvm_vm_ioctl_check_extension_generic(struct kvm *kvm, long arg) in kvm_vm_ioctl_check_extension_generic() argument
3640 return kvm_vm_ioctl_check_extension(kvm, arg); in kvm_vm_ioctl_check_extension_generic()
3643 int __attribute__((weak)) kvm_vm_ioctl_enable_cap(struct kvm *kvm, in kvm_vm_ioctl_enable_cap() argument
3649 static int kvm_vm_ioctl_enable_cap_generic(struct kvm *kvm, in kvm_vm_ioctl_enable_cap_generic() argument
3662 kvm->manual_dirty_log_protect = cap->args[0]; in kvm_vm_ioctl_enable_cap_generic()
3670 kvm->max_halt_poll_ns = cap->args[0]; in kvm_vm_ioctl_enable_cap_generic()
3674 return kvm_vm_ioctl_enable_cap(kvm, cap); in kvm_vm_ioctl_enable_cap_generic()
3681 struct kvm *kvm = filp->private_data; in kvm_vm_ioctl() local
3685 if (kvm->mm != current->mm) in kvm_vm_ioctl()
3689 r = kvm_vm_ioctl_create_vcpu(kvm, arg); in kvm_vm_ioctl()
3697 r = kvm_vm_ioctl_enable_cap_generic(kvm, &cap); in kvm_vm_ioctl()
3708 r = kvm_vm_ioctl_set_memory_region(kvm, &kvm_userspace_mem); in kvm_vm_ioctl()
3717 r = kvm_vm_ioctl_get_dirty_log(kvm, &log); in kvm_vm_ioctl()
3727 r = kvm_vm_ioctl_clear_dirty_log(kvm, &log); in kvm_vm_ioctl()
3738 r = kvm_vm_ioctl_register_coalesced_mmio(kvm, &zone); in kvm_vm_ioctl()
3747 r = kvm_vm_ioctl_unregister_coalesced_mmio(kvm, &zone); in kvm_vm_ioctl()
3757 r = kvm_irqfd(kvm, &data); in kvm_vm_ioctl()
3766 r = kvm_ioeventfd(kvm, &data); in kvm_vm_ioctl()
3776 r = kvm_send_userspace_msi(kvm, &msi); in kvm_vm_ioctl()
3789 r = kvm_vm_ioctl_irq_line(kvm, &irq_event, in kvm_vm_ioctl()
3814 if (!kvm_arch_can_set_irq_routing(kvm)) in kvm_vm_ioctl()
3830 r = kvm_set_irq_routing(kvm, entries, routing.nr, in kvm_vm_ioctl()
3843 r = kvm_ioctl_create_device(kvm, &cd); in kvm_vm_ioctl()
3855 r = kvm_vm_ioctl_check_extension_generic(kvm, arg); in kvm_vm_ioctl()
3877 struct kvm *kvm = filp->private_data; in kvm_vm_compat_ioctl() local
3880 if (kvm->mm != current->mm) in kvm_vm_compat_ioctl()
3895 r = kvm_vm_ioctl_get_dirty_log(kvm, &log); in kvm_vm_compat_ioctl()
3915 struct kvm *kvm; in kvm_dev_ioctl_create_vm() local
3918 kvm = kvm_create_vm(type); in kvm_dev_ioctl_create_vm()
3919 if (IS_ERR(kvm)) in kvm_dev_ioctl_create_vm()
3920 return PTR_ERR(kvm); in kvm_dev_ioctl_create_vm()
3922 r = kvm_coalesced_mmio_init(kvm); in kvm_dev_ioctl_create_vm()
3930 file = anon_inode_getfile("kvm-vm", &kvm_vm_fops, kvm, O_RDWR); in kvm_dev_ioctl_create_vm()
3943 if (kvm_create_vm_debugfs(kvm, r) < 0) { in kvm_dev_ioctl_create_vm()
3948 kvm_uevent_notify_change(KVM_EVENT_CREATE_VM, kvm); in kvm_dev_ioctl_create_vm()
3954 kvm_put_kvm(kvm); in kvm_dev_ioctl_create_vm()
4214 bus = srcu_dereference(vcpu->kvm->buses[bus_idx], &vcpu->kvm->srcu); in kvm_io_bus_write()
4234 bus = srcu_dereference(vcpu->kvm->buses[bus_idx], &vcpu->kvm->srcu); in kvm_io_bus_write_cookie()
4285 bus = srcu_dereference(vcpu->kvm->buses[bus_idx], &vcpu->kvm->srcu); in kvm_io_bus_read()
4293 int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, in kvm_io_bus_register_dev() argument
4300 bus = kvm_get_bus(kvm, bus_idx); in kvm_io_bus_register_dev()
4328 rcu_assign_pointer(kvm->buses[bus_idx], new_bus); in kvm_io_bus_register_dev()
4329 synchronize_srcu_expedited(&kvm->srcu); in kvm_io_bus_register_dev()
4336 void kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx, in kvm_io_bus_unregister_dev() argument
4342 bus = kvm_get_bus(kvm, bus_idx); in kvm_io_bus_unregister_dev()
4370 rcu_assign_pointer(kvm->buses[bus_idx], new_bus); in kvm_io_bus_unregister_dev()
4371 synchronize_srcu_expedited(&kvm->srcu); in kvm_io_bus_unregister_dev()
4376 struct kvm_io_device *kvm_io_bus_get_dev(struct kvm *kvm, enum kvm_bus bus_idx, in kvm_io_bus_get_dev() argument
4383 srcu_idx = srcu_read_lock(&kvm->srcu); in kvm_io_bus_get_dev()
4385 bus = srcu_dereference(kvm->buses[bus_idx], &kvm->srcu); in kvm_io_bus_get_dev()
4396 srcu_read_unlock(&kvm->srcu, srcu_idx); in kvm_io_bus_get_dev()
4414 if (!refcount_inc_not_zero(&stat_data->kvm->users_count)) in kvm_debugfs_open()
4421 kvm_put_kvm(stat_data->kvm); in kvm_debugfs_open()
4434 kvm_put_kvm(stat_data->kvm); in kvm_debugfs_release()
4439 static int kvm_get_stat_per_vm(struct kvm *kvm, size_t offset, u64 *val) in kvm_get_stat_per_vm() argument
4441 *val = *(ulong *)((void *)kvm + offset); in kvm_get_stat_per_vm()
4446 static int kvm_clear_stat_per_vm(struct kvm *kvm, size_t offset) in kvm_clear_stat_per_vm() argument
4448 *(ulong *)((void *)kvm + offset) = 0; in kvm_clear_stat_per_vm()
4453 static int kvm_get_stat_per_vcpu(struct kvm *kvm, size_t offset, u64 *val) in kvm_get_stat_per_vcpu() argument
4460 kvm_for_each_vcpu(i, vcpu, kvm) in kvm_get_stat_per_vcpu()
4466 static int kvm_clear_stat_per_vcpu(struct kvm *kvm, size_t offset) in kvm_clear_stat_per_vcpu() argument
4471 kvm_for_each_vcpu(i, vcpu, kvm) in kvm_clear_stat_per_vcpu()
4484 r = kvm_get_stat_per_vm(stat_data->kvm, in kvm_stat_data_get()
4488 r = kvm_get_stat_per_vcpu(stat_data->kvm, in kvm_stat_data_get()
4506 r = kvm_clear_stat_per_vm(stat_data->kvm, in kvm_stat_data_clear()
4510 r = kvm_clear_stat_per_vcpu(stat_data->kvm, in kvm_stat_data_clear()
4537 struct kvm *kvm; in vm_stat_get() local
4542 list_for_each_entry(kvm, &vm_list, vm_list) { in vm_stat_get()
4543 kvm_get_stat_per_vm(kvm, offset, &tmp_val); in vm_stat_get()
4553 struct kvm *kvm; in vm_stat_clear() local
4559 list_for_each_entry(kvm, &vm_list, vm_list) { in vm_stat_clear()
4560 kvm_clear_stat_per_vm(kvm, offset); in vm_stat_clear()
4572 struct kvm *kvm; in vcpu_stat_get() local
4577 list_for_each_entry(kvm, &vm_list, vm_list) { in vcpu_stat_get()
4578 kvm_get_stat_per_vcpu(kvm, offset, &tmp_val); in vcpu_stat_get()
4588 struct kvm *kvm; in vcpu_stat_clear() local
4594 list_for_each_entry(kvm, &vm_list, vm_list) { in vcpu_stat_clear()
4595 kvm_clear_stat_per_vcpu(kvm, offset); in vcpu_stat_clear()
4610 static void kvm_uevent_notify_change(unsigned int type, struct kvm *kvm) in kvm_uevent_notify_change() argument
4615 if (!kvm_dev.this_device || !kvm) in kvm_uevent_notify_change()
4638 kvm->userspace_pid = task_pid_nr(current); in kvm_uevent_notify_change()
4642 add_uevent_var(env, "PID=%d", kvm->userspace_pid); in kvm_uevent_notify_change()
4644 if (!IS_ERR_OR_NULL(kvm->debugfs_dentry)) { in kvm_uevent_notify_change()
4648 tmp = dentry_path_raw(kvm->debugfs_dentry, p, PATH_MAX); in kvm_uevent_notify_change()
4892 struct kvm *kvm; member
4907 struct kvm *kvm = init_context->kvm; in kvm_vm_worker_thread() local
4939 err = thread_fn(kvm, data); in kvm_vm_worker_thread()
4944 int kvm_vm_create_worker_thread(struct kvm *kvm, kvm_vm_thread_fn_t thread_fn, in kvm_vm_create_worker_thread() argument
4952 init_context.kvm = kvm; in kvm_vm_create_worker_thread()