# Hypervisor Constants ## Topics ### Constants [`#define err_common_hypervisor`](/documentation/Hypervisor/err_common_hypervisor) [`#define err_sub_hypervisor`](/documentation/Hypervisor/err_sub_hypervisor) [`var HV_ALLOCATE_DEFAULT: Int`](/documentation/Hypervisor/HV_ALLOCATE_DEFAULT) [`#define HV_API_AVAILABLE_ARM64(...)`](/documentation/Hypervisor/HV_API_AVAILABLE_ARM64) [`#define HV_API_AVAILABLE_X86_64(...)`](/documentation/Hypervisor/HV_API_AVAILABLE_X86_64) [`var HV_APIC_CTRL_DEFAULT: hv_apic_ctrl_t`](/documentation/Hypervisor/HV_APIC_CTRL_DEFAULT) [`var HV_APIC_CTRL_EOI_ICR_TPR: hv_apic_ctrl_t`](/documentation/Hypervisor/HV_APIC_CTRL_EOI_ICR_TPR) [`var HV_APIC_CTRL_GUEST_IDLE: hv_apic_ctrl_t`](/documentation/Hypervisor/HV_APIC_CTRL_GUEST_IDLE) [`var HV_APIC_CTRL_IOAPIC_EOI: hv_apic_ctrl_t`](/documentation/Hypervisor/HV_APIC_CTRL_IOAPIC_EOI) [`var HV_APIC_CTRL_NO_TIMER: hv_apic_ctrl_t`](/documentation/Hypervisor/HV_APIC_CTRL_NO_TIMER) [`var HV_APIC_EDGE_TRIGGER_AEOI: hv_apic_intr_trigger_t`](/documentation/Hypervisor/HV_APIC_EDGE_TRIGGER_AEOI) [`var HV_APIC_EDGE_TRIGGER: hv_apic_intr_trigger_t`](/documentation/Hypervisor/HV_APIC_EDGE_TRIGGER) [`var HV_APIC_LEVEL_TRIGGER: hv_apic_intr_trigger_t`](/documentation/Hypervisor/HV_APIC_LEVEL_TRIGGER) [`var HV_APIC_LVT_FLAVOR_TIMER: hv_apic_lvt_flavor_t`](/documentation/Hypervisor/HV_APIC_LVT_FLAVOR_TIMER) [`var HV_APIC_STATE_EXT_VER: Int32`](/documentation/Hypervisor/HV_APIC_STATE_EXT_VER) [`var HV_ATPIC_STATE_EXT_VER: Int32`](/documentation/Hypervisor/HV_ATPIC_STATE_EXT_VER) [`var HV_FAULT: Int`](/documentation/Hypervisor/HV_FAULT) [`var HV_IOAPIC_STATE_EXT_VER: Int32`](/documentation/Hypervisor/HV_IOAPIC_STATE_EXT_VER) [`var HV_MEMORY_MAXPROT_EXEC: Int`](/documentation/Hypervisor/HV_MEMORY_MAXPROT_EXEC) [`var HV_MEMORY_MAXPROT_READ: Int`](/documentation/Hypervisor/HV_MEMORY_MAXPROT_READ) [`var HV_MEMORY_MAXPROT_UEXEC: Int`](/documentation/Hypervisor/HV_MEMORY_MAXPROT_UEXEC) [`var HV_MEMORY_MAXPROT_WRITE: Int`](/documentation/Hypervisor/HV_MEMORY_MAXPROT_WRITE) [`var HV_MEMORY_MAXPROT: Int`](/documentation/Hypervisor/HV_MEMORY_MAXPROT) [`var HV_MEMORY_UEXEC: Int`](/documentation/Hypervisor/HV_MEMORY_UEXEC) [`var HV_VM_ACCEL_APIC: Int`](/documentation/Hypervisor/HV_VM_ACCEL_APIC) [`var HV_VM_EXITINFO_APIC_ACCESS_READ: hv_vm_exitinfo_t`](/documentation/Hypervisor/HV_VM_EXITINFO_APIC_ACCESS_READ) [`var HV_VM_EXITINFO_INIT_AP: hv_vm_exitinfo_t`](/documentation/Hypervisor/HV_VM_EXITINFO_INIT_AP) [`var HV_VM_EXITINFO_INJECT_EXCP: hv_vm_exitinfo_t`](/documentation/Hypervisor/HV_VM_EXITINFO_INJECT_EXCP) [`var HV_VM_EXITINFO_IOAPIC_EOI: hv_vm_exitinfo_t`](/documentation/Hypervisor/HV_VM_EXITINFO_IOAPIC_EOI) [`var HV_VM_EXITINFO_SMI: hv_vm_exitinfo_t`](/documentation/Hypervisor/HV_VM_EXITINFO_SMI) [`var HV_VM_EXITINFO_STARTUP_AP: hv_vm_exitinfo_t`](/documentation/Hypervisor/HV_VM_EXITINFO_STARTUP_AP) [`var HV_VM_EXITINFO_VMX: hv_vm_exitinfo_t`](/documentation/Hypervisor/HV_VM_EXITINFO_VMX) [`var HV_VM_SPACE_DEFAULT: Int`](/documentation/Hypervisor/HV_VM_SPACE_DEFAULT) The value that represents the default VM address space. [`var IRQ_INFO_VECTOR_MASK: UInt32`](/documentation/Hypervisor/IRQ_INFO_VECTOR_MASK) [`var kHV_ION_ANY_SIZE: Int`](/documentation/Hypervisor/kHV_ION_ANY_SIZE) [`var kHV_ION_ANY_VALUE: Int`](/documentation/Hypervisor/kHV_ION_ANY_VALUE) [`var kHV_ION_EXIT_FULL: Int`](/documentation/Hypervisor/kHV_ION_EXIT_FULL) [`var kHV_ION_NONE: Int`](/documentation/Hypervisor/kHV_ION_NONE) [`var VMCS_CTRL_ENCLV_EXITING_BITMAP: Int`](/documentation/Hypervisor/VMCS_CTRL_ENCLV_EXITING_BITMAP) [`var VMCS_GUEST_IA32_INTR_SSP_TABLE_ADDR: Int`](/documentation/Hypervisor/VMCS_GUEST_IA32_INTR_SSP_TABLE_ADDR) [`var VMCS_GUEST_IA32_PKRS: Int`](/documentation/Hypervisor/VMCS_GUEST_IA32_PKRS) [`var VMCS_GUEST_IA32_S_CET: Int`](/documentation/Hypervisor/VMCS_GUEST_IA32_S_CET) [`var VMCS_GUEST_SSP: Int`](/documentation/Hypervisor/VMCS_GUEST_SSP) [`var VMCS_HOST_IA32_INTR_SSP_TABLE_ADDR: Int`](/documentation/Hypervisor/VMCS_HOST_IA32_INTR_SSP_TABLE_ADDR) [`var VMCS_HOST_IA32_PKRS: Int`](/documentation/Hypervisor/VMCS_HOST_IA32_PKRS) [`var VMCS_HOST_IA32_S_CET: Int`](/documentation/Hypervisor/VMCS_HOST_IA32_S_CET) [`var VMCS_HOST_SSP: Int`](/documentation/Hypervisor/VMCS_HOST_SSP) [`var VMENTRY_LOAD_PKRS: UInt32`](/documentation/Hypervisor/VMENTRY_LOAD_PKRS) [`var VMEXIT_LOAD_PKRS: UInt32`](/documentation/Hypervisor/VMEXIT_LOAD_PKRS) [`var VMX_EPT_VPID_ADV_VMEXIT_INFO: UInt32`](/documentation/Hypervisor/VMX_EPT_VPID_ADV_VMEXIT_INFO) --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)