| /* SPDX-License-Identifier: GPL-2.0 */ | 
 |  | 
 | /* | 
 |  * This file contains definitions from Hyper-V Hypervisor Top-Level Functional | 
 |  * Specification (TLFS): | 
 |  * https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/reference/tlfs | 
 |  */ | 
 |  | 
 | #ifndef _ASM_X86_HYPERV_TLFS_H | 
 | #define _ASM_X86_HYPERV_TLFS_H | 
 |  | 
 | #include <linux/types.h> | 
 | #include <asm/page.h> | 
 | /* | 
 |  * The below CPUID leaves are present if VersionAndFeatures.HypervisorPresent | 
 |  * is set by CPUID(HvCpuIdFunctionVersionAndFeatures). | 
 |  */ | 
 | #define HYPERV_CPUID_VENDOR_AND_MAX_FUNCTIONS	0x40000000 | 
 | #define HYPERV_CPUID_INTERFACE			0x40000001 | 
 | #define HYPERV_CPUID_VERSION			0x40000002 | 
 | #define HYPERV_CPUID_FEATURES			0x40000003 | 
 | #define HYPERV_CPUID_ENLIGHTMENT_INFO		0x40000004 | 
 | #define HYPERV_CPUID_IMPLEMENT_LIMITS		0x40000005 | 
 | #define HYPERV_CPUID_CPU_MANAGEMENT_FEATURES	0x40000007 | 
 | #define HYPERV_CPUID_NESTED_FEATURES		0x4000000A | 
 | #define HYPERV_CPUID_ISOLATION_CONFIG		0x4000000C | 
 |  | 
 | #define HYPERV_CPUID_VIRT_STACK_INTERFACE	0x40000081 | 
 | #define HYPERV_VS_INTERFACE_EAX_SIGNATURE	0x31235356  /* "VS#1" */ | 
 |  | 
 | #define HYPERV_CPUID_VIRT_STACK_PROPERTIES	0x40000082 | 
 | /* Support for the extended IOAPIC RTE format */ | 
 | #define HYPERV_VS_PROPERTIES_EAX_EXTENDED_IOAPIC_RTE	BIT(2) | 
 |  | 
 | #define HYPERV_HYPERVISOR_PRESENT_BIT		0x80000000 | 
 | #define HYPERV_CPUID_MIN			0x40000005 | 
 | #define HYPERV_CPUID_MAX			0x4000ffff | 
 |  | 
 | /* | 
 |  * Group D Features.  The bit assignments are custom to each architecture. | 
 |  * On x86/x64 these are HYPERV_CPUID_FEATURES.EDX bits. | 
 |  */ | 
 | /* The MWAIT instruction is available (per section MONITOR / MWAIT) */ | 
 | #define HV_X64_MWAIT_AVAILABLE				BIT(0) | 
 | /* Guest debugging support is available */ | 
 | #define HV_X64_GUEST_DEBUGGING_AVAILABLE		BIT(1) | 
 | /* Performance Monitor support is available*/ | 
 | #define HV_X64_PERF_MONITOR_AVAILABLE			BIT(2) | 
 | /* Support for physical CPU dynamic partitioning events is available*/ | 
 | #define HV_X64_CPU_DYNAMIC_PARTITIONING_AVAILABLE	BIT(3) | 
 | /* | 
 |  * Support for passing hypercall input parameter block via XMM | 
 |  * registers is available | 
 |  */ | 
 | #define HV_X64_HYPERCALL_XMM_INPUT_AVAILABLE		BIT(4) | 
 | /* Support for a virtual guest idle state is available */ | 
 | #define HV_X64_GUEST_IDLE_STATE_AVAILABLE		BIT(5) | 
 | /* Frequency MSRs available */ | 
 | #define HV_FEATURE_FREQUENCY_MSRS_AVAILABLE		BIT(8) | 
 | /* Crash MSR available */ | 
 | #define HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE		BIT(10) | 
 | /* Support for debug MSRs available */ | 
 | #define HV_FEATURE_DEBUG_MSRS_AVAILABLE			BIT(11) | 
 | /* Support for extended gva ranges for flush hypercalls available */ | 
 | #define HV_FEATURE_EXT_GVA_RANGES_FLUSH			BIT(14) | 
 | /* | 
 |  * Support for returning hypercall output block via XMM | 
 |  * registers is available | 
 |  */ | 
 | #define HV_X64_HYPERCALL_XMM_OUTPUT_AVAILABLE		BIT(15) | 
 | /* stimer Direct Mode is available */ | 
 | #define HV_STIMER_DIRECT_MODE_AVAILABLE			BIT(19) | 
 |  | 
 | /* | 
 |  * Implementation recommendations. Indicates which behaviors the hypervisor | 
 |  * recommends the OS implement for optimal performance. | 
 |  * These are HYPERV_CPUID_ENLIGHTMENT_INFO.EAX bits. | 
 |  */ | 
 | /* | 
 |  * Recommend using hypercall for address space switches rather | 
 |  * than MOV to CR3 instruction | 
 |  */ | 
 | #define HV_X64_AS_SWITCH_RECOMMENDED			BIT(0) | 
 | /* Recommend using hypercall for local TLB flushes rather | 
 |  * than INVLPG or MOV to CR3 instructions */ | 
 | #define HV_X64_LOCAL_TLB_FLUSH_RECOMMENDED		BIT(1) | 
 | /* | 
 |  * Recommend using hypercall for remote TLB flushes rather | 
 |  * than inter-processor interrupts | 
 |  */ | 
 | #define HV_X64_REMOTE_TLB_FLUSH_RECOMMENDED		BIT(2) | 
 | /* | 
 |  * Recommend using MSRs for accessing APIC registers | 
 |  * EOI, ICR and TPR rather than their memory-mapped counterparts | 
 |  */ | 
 | #define HV_X64_APIC_ACCESS_RECOMMENDED			BIT(3) | 
 | /* Recommend using the hypervisor-provided MSR to initiate a system RESET */ | 
 | #define HV_X64_SYSTEM_RESET_RECOMMENDED			BIT(4) | 
 | /* | 
 |  * Recommend using relaxed timing for this partition. If used, | 
 |  * the VM should disable any watchdog timeouts that rely on the | 
 |  * timely delivery of external interrupts | 
 |  */ | 
 | #define HV_X64_RELAXED_TIMING_RECOMMENDED		BIT(5) | 
 |  | 
 | /* | 
 |  * Recommend not using Auto End-Of-Interrupt feature | 
 |  */ | 
 | #define HV_DEPRECATING_AEOI_RECOMMENDED			BIT(9) | 
 |  | 
 | /* | 
 |  * Recommend using cluster IPI hypercalls. | 
 |  */ | 
 | #define HV_X64_CLUSTER_IPI_RECOMMENDED			BIT(10) | 
 |  | 
 | /* Recommend using the newer ExProcessorMasks interface */ | 
 | #define HV_X64_EX_PROCESSOR_MASKS_RECOMMENDED		BIT(11) | 
 |  | 
 | /* Indicates that the hypervisor is nested within a Hyper-V partition. */ | 
 | #define HV_X64_HYPERV_NESTED				BIT(12) | 
 |  | 
 | /* Recommend using enlightened VMCS */ | 
 | #define HV_X64_ENLIGHTENED_VMCS_RECOMMENDED		BIT(14) | 
 |  | 
 | /* Use hypercalls for MMIO config space access */ | 
 | #define HV_X64_USE_MMIO_HYPERCALLS			BIT(21) | 
 |  | 
 | /* | 
 |  * CPU management features identification. | 
 |  * These are HYPERV_CPUID_CPU_MANAGEMENT_FEATURES.EAX bits. | 
 |  */ | 
 | #define HV_X64_START_LOGICAL_PROCESSOR			BIT(0) | 
 | #define HV_X64_CREATE_ROOT_VIRTUAL_PROCESSOR		BIT(1) | 
 | #define HV_X64_PERFORMANCE_COUNTER_SYNC			BIT(2) | 
 | #define HV_X64_RESERVED_IDENTITY_BIT			BIT(31) | 
 |  | 
 | /* | 
 |  * Virtual processor will never share a physical core with another virtual | 
 |  * processor, except for virtual processors that are reported as sibling SMT | 
 |  * threads. | 
 |  */ | 
 | #define HV_X64_NO_NONARCH_CORESHARING			BIT(18) | 
 |  | 
 | /* Nested features. These are HYPERV_CPUID_NESTED_FEATURES.EAX bits. */ | 
 | #define HV_X64_NESTED_DIRECT_FLUSH			BIT(17) | 
 | #define HV_X64_NESTED_GUEST_MAPPING_FLUSH		BIT(18) | 
 | #define HV_X64_NESTED_MSR_BITMAP			BIT(19) | 
 |  | 
 | /* Nested features #2. These are HYPERV_CPUID_NESTED_FEATURES.EBX bits. */ | 
 | #define HV_X64_NESTED_EVMCS1_PERF_GLOBAL_CTRL		BIT(0) | 
 |  | 
 | /* | 
 |  * This is specific to AMD and specifies that enlightened TLB flush is | 
 |  * supported. If guest opts in to this feature, ASID invalidations only | 
 |  * flushes gva -> hpa mapping entries. To flush the TLB entries derived | 
 |  * from NPT, hypercalls should be used (HvFlushGuestPhysicalAddressSpace | 
 |  * or HvFlushGuestPhysicalAddressList). | 
 |  */ | 
 | #define HV_X64_NESTED_ENLIGHTENED_TLB			BIT(22) | 
 |  | 
 | /* HYPERV_CPUID_ISOLATION_CONFIG.EAX bits. */ | 
 | #define HV_PARAVISOR_PRESENT				BIT(0) | 
 |  | 
 | /* HYPERV_CPUID_ISOLATION_CONFIG.EBX bits. */ | 
 | #define HV_ISOLATION_TYPE				GENMASK(3, 0) | 
 | #define HV_SHARED_GPA_BOUNDARY_ACTIVE			BIT(5) | 
 | #define HV_SHARED_GPA_BOUNDARY_BITS			GENMASK(11, 6) | 
 |  | 
 | enum hv_isolation_type { | 
 | 	HV_ISOLATION_TYPE_NONE	= 0, | 
 | 	HV_ISOLATION_TYPE_VBS	= 1, | 
 | 	HV_ISOLATION_TYPE_SNP	= 2 | 
 | }; | 
 |  | 
 | /* Hyper-V specific model specific registers (MSRs) */ | 
 |  | 
 | /* MSR used to identify the guest OS. */ | 
 | #define HV_X64_MSR_GUEST_OS_ID			0x40000000 | 
 |  | 
 | /* MSR used to setup pages used to communicate with the hypervisor. */ | 
 | #define HV_X64_MSR_HYPERCALL			0x40000001 | 
 |  | 
 | /* MSR used to provide vcpu index */ | 
 | #define HV_REGISTER_VP_INDEX			0x40000002 | 
 |  | 
 | /* MSR used to reset the guest OS. */ | 
 | #define HV_X64_MSR_RESET			0x40000003 | 
 |  | 
 | /* MSR used to provide vcpu runtime in 100ns units */ | 
 | #define HV_X64_MSR_VP_RUNTIME			0x40000010 | 
 |  | 
 | /* MSR used to read the per-partition time reference counter */ | 
 | #define HV_REGISTER_TIME_REF_COUNT		0x40000020 | 
 |  | 
 | /* A partition's reference time stamp counter (TSC) page */ | 
 | #define HV_REGISTER_REFERENCE_TSC		0x40000021 | 
 |  | 
 | /* MSR used to retrieve the TSC frequency */ | 
 | #define HV_X64_MSR_TSC_FREQUENCY		0x40000022 | 
 |  | 
 | /* MSR used to retrieve the local APIC timer frequency */ | 
 | #define HV_X64_MSR_APIC_FREQUENCY		0x40000023 | 
 |  | 
 | /* Define the virtual APIC registers */ | 
 | #define HV_X64_MSR_EOI				0x40000070 | 
 | #define HV_X64_MSR_ICR				0x40000071 | 
 | #define HV_X64_MSR_TPR				0x40000072 | 
 | #define HV_X64_MSR_VP_ASSIST_PAGE		0x40000073 | 
 |  | 
 | /* Define synthetic interrupt controller model specific registers. */ | 
 | #define HV_REGISTER_SCONTROL			0x40000080 | 
 | #define HV_REGISTER_SVERSION			0x40000081 | 
 | #define HV_REGISTER_SIEFP			0x40000082 | 
 | #define HV_REGISTER_SIMP			0x40000083 | 
 | #define HV_REGISTER_EOM				0x40000084 | 
 | #define HV_REGISTER_SINT0			0x40000090 | 
 | #define HV_REGISTER_SINT1			0x40000091 | 
 | #define HV_REGISTER_SINT2			0x40000092 | 
 | #define HV_REGISTER_SINT3			0x40000093 | 
 | #define HV_REGISTER_SINT4			0x40000094 | 
 | #define HV_REGISTER_SINT5			0x40000095 | 
 | #define HV_REGISTER_SINT6			0x40000096 | 
 | #define HV_REGISTER_SINT7			0x40000097 | 
 | #define HV_REGISTER_SINT8			0x40000098 | 
 | #define HV_REGISTER_SINT9			0x40000099 | 
 | #define HV_REGISTER_SINT10			0x4000009A | 
 | #define HV_REGISTER_SINT11			0x4000009B | 
 | #define HV_REGISTER_SINT12			0x4000009C | 
 | #define HV_REGISTER_SINT13			0x4000009D | 
 | #define HV_REGISTER_SINT14			0x4000009E | 
 | #define HV_REGISTER_SINT15			0x4000009F | 
 |  | 
 | /* | 
 |  * Define synthetic interrupt controller model specific registers for | 
 |  * nested hypervisor. | 
 |  */ | 
 | #define HV_REGISTER_NESTED_SCONTROL            0x40001080 | 
 | #define HV_REGISTER_NESTED_SVERSION            0x40001081 | 
 | #define HV_REGISTER_NESTED_SIEFP               0x40001082 | 
 | #define HV_REGISTER_NESTED_SIMP                0x40001083 | 
 | #define HV_REGISTER_NESTED_EOM                 0x40001084 | 
 | #define HV_REGISTER_NESTED_SINT0               0x40001090 | 
 |  | 
 | /* | 
 |  * Synthetic Timer MSRs. Four timers per vcpu. | 
 |  */ | 
 | #define HV_REGISTER_STIMER0_CONFIG		0x400000B0 | 
 | #define HV_REGISTER_STIMER0_COUNT		0x400000B1 | 
 | #define HV_REGISTER_STIMER1_CONFIG		0x400000B2 | 
 | #define HV_REGISTER_STIMER1_COUNT		0x400000B3 | 
 | #define HV_REGISTER_STIMER2_CONFIG		0x400000B4 | 
 | #define HV_REGISTER_STIMER2_COUNT		0x400000B5 | 
 | #define HV_REGISTER_STIMER3_CONFIG		0x400000B6 | 
 | #define HV_REGISTER_STIMER3_COUNT		0x400000B7 | 
 |  | 
 | /* Hyper-V guest idle MSR */ | 
 | #define HV_X64_MSR_GUEST_IDLE			0x400000F0 | 
 |  | 
 | /* Hyper-V guest crash notification MSR's */ | 
 | #define HV_REGISTER_CRASH_P0			0x40000100 | 
 | #define HV_REGISTER_CRASH_P1			0x40000101 | 
 | #define HV_REGISTER_CRASH_P2			0x40000102 | 
 | #define HV_REGISTER_CRASH_P3			0x40000103 | 
 | #define HV_REGISTER_CRASH_P4			0x40000104 | 
 | #define HV_REGISTER_CRASH_CTL			0x40000105 | 
 |  | 
 | /* TSC emulation after migration */ | 
 | #define HV_X64_MSR_REENLIGHTENMENT_CONTROL	0x40000106 | 
 | #define HV_X64_MSR_TSC_EMULATION_CONTROL	0x40000107 | 
 | #define HV_X64_MSR_TSC_EMULATION_STATUS		0x40000108 | 
 |  | 
 | /* TSC invariant control */ | 
 | #define HV_X64_MSR_TSC_INVARIANT_CONTROL	0x40000118 | 
 |  | 
 | /* HV_X64_MSR_TSC_INVARIANT_CONTROL bits */ | 
 | #define HV_EXPOSE_INVARIANT_TSC		BIT_ULL(0) | 
 |  | 
 | /* Register name aliases for temporary compatibility */ | 
 | #define HV_X64_MSR_STIMER0_COUNT	HV_REGISTER_STIMER0_COUNT | 
 | #define HV_X64_MSR_STIMER0_CONFIG	HV_REGISTER_STIMER0_CONFIG | 
 | #define HV_X64_MSR_STIMER1_COUNT	HV_REGISTER_STIMER1_COUNT | 
 | #define HV_X64_MSR_STIMER1_CONFIG	HV_REGISTER_STIMER1_CONFIG | 
 | #define HV_X64_MSR_STIMER2_COUNT	HV_REGISTER_STIMER2_COUNT | 
 | #define HV_X64_MSR_STIMER2_CONFIG	HV_REGISTER_STIMER2_CONFIG | 
 | #define HV_X64_MSR_STIMER3_COUNT	HV_REGISTER_STIMER3_COUNT | 
 | #define HV_X64_MSR_STIMER3_CONFIG	HV_REGISTER_STIMER3_CONFIG | 
 | #define HV_X64_MSR_SCONTROL		HV_REGISTER_SCONTROL | 
 | #define HV_X64_MSR_SVERSION		HV_REGISTER_SVERSION | 
 | #define HV_X64_MSR_SIMP			HV_REGISTER_SIMP | 
 | #define HV_X64_MSR_SIEFP		HV_REGISTER_SIEFP | 
 | #define HV_X64_MSR_VP_INDEX		HV_REGISTER_VP_INDEX | 
 | #define HV_X64_MSR_EOM			HV_REGISTER_EOM | 
 | #define HV_X64_MSR_SINT0		HV_REGISTER_SINT0 | 
 | #define HV_X64_MSR_SINT15		HV_REGISTER_SINT15 | 
 | #define HV_X64_MSR_CRASH_P0		HV_REGISTER_CRASH_P0 | 
 | #define HV_X64_MSR_CRASH_P1		HV_REGISTER_CRASH_P1 | 
 | #define HV_X64_MSR_CRASH_P2		HV_REGISTER_CRASH_P2 | 
 | #define HV_X64_MSR_CRASH_P3		HV_REGISTER_CRASH_P3 | 
 | #define HV_X64_MSR_CRASH_P4		HV_REGISTER_CRASH_P4 | 
 | #define HV_X64_MSR_CRASH_CTL		HV_REGISTER_CRASH_CTL | 
 | #define HV_X64_MSR_TIME_REF_COUNT	HV_REGISTER_TIME_REF_COUNT | 
 | #define HV_X64_MSR_REFERENCE_TSC	HV_REGISTER_REFERENCE_TSC | 
 |  | 
 | /* Hyper-V memory host visibility */ | 
 | enum hv_mem_host_visibility { | 
 | 	VMBUS_PAGE_NOT_VISIBLE		= 0, | 
 | 	VMBUS_PAGE_VISIBLE_READ_ONLY	= 1, | 
 | 	VMBUS_PAGE_VISIBLE_READ_WRITE	= 3 | 
 | }; | 
 |  | 
 | /* HvCallModifySparseGpaPageHostVisibility hypercall */ | 
 | #define HV_MAX_MODIFY_GPA_REP_COUNT	((PAGE_SIZE / sizeof(u64)) - 2) | 
 | struct hv_gpa_range_for_visibility { | 
 | 	u64 partition_id; | 
 | 	u32 host_visibility:2; | 
 | 	u32 reserved0:30; | 
 | 	u32 reserved1; | 
 | 	u64 gpa_page_list[HV_MAX_MODIFY_GPA_REP_COUNT]; | 
 | } __packed; | 
 |  | 
 | /* | 
 |  * Declare the MSR used to setup pages used to communicate with the hypervisor. | 
 |  */ | 
 | union hv_x64_msr_hypercall_contents { | 
 | 	u64 as_uint64; | 
 | 	struct { | 
 | 		u64 enable:1; | 
 | 		u64 reserved:11; | 
 | 		u64 guest_physical_address:52; | 
 | 	} __packed; | 
 | }; | 
 |  | 
 | union hv_vp_assist_msr_contents { | 
 | 	u64 as_uint64; | 
 | 	struct { | 
 | 		u64 enable:1; | 
 | 		u64 reserved:11; | 
 | 		u64 pfn:52; | 
 | 	} __packed; | 
 | }; | 
 |  | 
 | struct hv_reenlightenment_control { | 
 | 	__u64 vector:8; | 
 | 	__u64 reserved1:8; | 
 | 	__u64 enabled:1; | 
 | 	__u64 reserved2:15; | 
 | 	__u64 target_vp:32; | 
 | }  __packed; | 
 |  | 
 | struct hv_tsc_emulation_control { | 
 | 	__u64 enabled:1; | 
 | 	__u64 reserved:63; | 
 | } __packed; | 
 |  | 
 | struct hv_tsc_emulation_status { | 
 | 	__u64 inprogress:1; | 
 | 	__u64 reserved:63; | 
 | } __packed; | 
 |  | 
 | #define HV_X64_MSR_HYPERCALL_ENABLE		0x00000001 | 
 | #define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT	12 | 
 | #define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_MASK	\ | 
 | 		(~((1ull << HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT) - 1)) | 
 |  | 
 | #define HV_X64_MSR_CRASH_PARAMS		\ | 
 | 		(1 + (HV_X64_MSR_CRASH_P4 - HV_X64_MSR_CRASH_P0)) | 
 |  | 
 | #define HV_IPI_LOW_VECTOR	0x10 | 
 | #define HV_IPI_HIGH_VECTOR	0xff | 
 |  | 
 | #define HV_X64_MSR_VP_ASSIST_PAGE_ENABLE	0x00000001 | 
 | #define HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_SHIFT	12 | 
 | #define HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_MASK	\ | 
 | 		(~((1ull << HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_SHIFT) - 1)) | 
 |  | 
 | /* Hyper-V Enlightened VMCS version mask in nested features CPUID */ | 
 | #define HV_X64_ENLIGHTENED_VMCS_VERSION		0xff | 
 |  | 
 | #define HV_X64_MSR_TSC_REFERENCE_ENABLE		0x00000001 | 
 | #define HV_X64_MSR_TSC_REFERENCE_ADDRESS_SHIFT	12 | 
 |  | 
 | /* Number of XMM registers used in hypercall input/output */ | 
 | #define HV_HYPERCALL_MAX_XMM_REGISTERS		6 | 
 |  | 
 | struct hv_nested_enlightenments_control { | 
 | 	struct { | 
 | 		__u32 directhypercall:1; | 
 | 		__u32 reserved:31; | 
 | 	} features; | 
 | 	struct { | 
 | 		__u32 inter_partition_comm:1; | 
 | 		__u32 reserved:31; | 
 | 	} hypercallControls; | 
 | } __packed; | 
 |  | 
 | /* Define virtual processor assist page structure. */ | 
 | struct hv_vp_assist_page { | 
 | 	__u32 apic_assist; | 
 | 	__u32 reserved1; | 
 | 	__u32 vtl_entry_reason; | 
 | 	__u32 vtl_reserved; | 
 | 	__u64 vtl_ret_x64rax; | 
 | 	__u64 vtl_ret_x64rcx; | 
 | 	struct hv_nested_enlightenments_control nested_control; | 
 | 	__u8 enlighten_vmentry; | 
 | 	__u8 reserved2[7]; | 
 | 	__u64 current_nested_vmcs; | 
 | 	__u8 synthetic_time_unhalted_timer_expired; | 
 | 	__u8 reserved3[7]; | 
 | 	__u8 virtualization_fault_information[40]; | 
 | 	__u8 reserved4[8]; | 
 | 	__u8 intercept_message[256]; | 
 | 	__u8 vtl_ret_actions[256]; | 
 | } __packed; | 
 |  | 
 | struct hv_enlightened_vmcs { | 
 | 	u32 revision_id; | 
 | 	u32 abort; | 
 |  | 
 | 	u16 host_es_selector; | 
 | 	u16 host_cs_selector; | 
 | 	u16 host_ss_selector; | 
 | 	u16 host_ds_selector; | 
 | 	u16 host_fs_selector; | 
 | 	u16 host_gs_selector; | 
 | 	u16 host_tr_selector; | 
 |  | 
 | 	u16 padding16_1; | 
 |  | 
 | 	u64 host_ia32_pat; | 
 | 	u64 host_ia32_efer; | 
 |  | 
 | 	u64 host_cr0; | 
 | 	u64 host_cr3; | 
 | 	u64 host_cr4; | 
 |  | 
 | 	u64 host_ia32_sysenter_esp; | 
 | 	u64 host_ia32_sysenter_eip; | 
 | 	u64 host_rip; | 
 | 	u32 host_ia32_sysenter_cs; | 
 |  | 
 | 	u32 pin_based_vm_exec_control; | 
 | 	u32 vm_exit_controls; | 
 | 	u32 secondary_vm_exec_control; | 
 |  | 
 | 	u64 io_bitmap_a; | 
 | 	u64 io_bitmap_b; | 
 | 	u64 msr_bitmap; | 
 |  | 
 | 	u16 guest_es_selector; | 
 | 	u16 guest_cs_selector; | 
 | 	u16 guest_ss_selector; | 
 | 	u16 guest_ds_selector; | 
 | 	u16 guest_fs_selector; | 
 | 	u16 guest_gs_selector; | 
 | 	u16 guest_ldtr_selector; | 
 | 	u16 guest_tr_selector; | 
 |  | 
 | 	u32 guest_es_limit; | 
 | 	u32 guest_cs_limit; | 
 | 	u32 guest_ss_limit; | 
 | 	u32 guest_ds_limit; | 
 | 	u32 guest_fs_limit; | 
 | 	u32 guest_gs_limit; | 
 | 	u32 guest_ldtr_limit; | 
 | 	u32 guest_tr_limit; | 
 | 	u32 guest_gdtr_limit; | 
 | 	u32 guest_idtr_limit; | 
 |  | 
 | 	u32 guest_es_ar_bytes; | 
 | 	u32 guest_cs_ar_bytes; | 
 | 	u32 guest_ss_ar_bytes; | 
 | 	u32 guest_ds_ar_bytes; | 
 | 	u32 guest_fs_ar_bytes; | 
 | 	u32 guest_gs_ar_bytes; | 
 | 	u32 guest_ldtr_ar_bytes; | 
 | 	u32 guest_tr_ar_bytes; | 
 |  | 
 | 	u64 guest_es_base; | 
 | 	u64 guest_cs_base; | 
 | 	u64 guest_ss_base; | 
 | 	u64 guest_ds_base; | 
 | 	u64 guest_fs_base; | 
 | 	u64 guest_gs_base; | 
 | 	u64 guest_ldtr_base; | 
 | 	u64 guest_tr_base; | 
 | 	u64 guest_gdtr_base; | 
 | 	u64 guest_idtr_base; | 
 |  | 
 | 	u64 padding64_1[3]; | 
 |  | 
 | 	u64 vm_exit_msr_store_addr; | 
 | 	u64 vm_exit_msr_load_addr; | 
 | 	u64 vm_entry_msr_load_addr; | 
 |  | 
 | 	u64 cr3_target_value0; | 
 | 	u64 cr3_target_value1; | 
 | 	u64 cr3_target_value2; | 
 | 	u64 cr3_target_value3; | 
 |  | 
 | 	u32 page_fault_error_code_mask; | 
 | 	u32 page_fault_error_code_match; | 
 |  | 
 | 	u32 cr3_target_count; | 
 | 	u32 vm_exit_msr_store_count; | 
 | 	u32 vm_exit_msr_load_count; | 
 | 	u32 vm_entry_msr_load_count; | 
 |  | 
 | 	u64 tsc_offset; | 
 | 	u64 virtual_apic_page_addr; | 
 | 	u64 vmcs_link_pointer; | 
 |  | 
 | 	u64 guest_ia32_debugctl; | 
 | 	u64 guest_ia32_pat; | 
 | 	u64 guest_ia32_efer; | 
 |  | 
 | 	u64 guest_pdptr0; | 
 | 	u64 guest_pdptr1; | 
 | 	u64 guest_pdptr2; | 
 | 	u64 guest_pdptr3; | 
 |  | 
 | 	u64 guest_pending_dbg_exceptions; | 
 | 	u64 guest_sysenter_esp; | 
 | 	u64 guest_sysenter_eip; | 
 |  | 
 | 	u32 guest_activity_state; | 
 | 	u32 guest_sysenter_cs; | 
 |  | 
 | 	u64 cr0_guest_host_mask; | 
 | 	u64 cr4_guest_host_mask; | 
 | 	u64 cr0_read_shadow; | 
 | 	u64 cr4_read_shadow; | 
 | 	u64 guest_cr0; | 
 | 	u64 guest_cr3; | 
 | 	u64 guest_cr4; | 
 | 	u64 guest_dr7; | 
 |  | 
 | 	u64 host_fs_base; | 
 | 	u64 host_gs_base; | 
 | 	u64 host_tr_base; | 
 | 	u64 host_gdtr_base; | 
 | 	u64 host_idtr_base; | 
 | 	u64 host_rsp; | 
 |  | 
 | 	u64 ept_pointer; | 
 |  | 
 | 	u16 virtual_processor_id; | 
 | 	u16 padding16_2[3]; | 
 |  | 
 | 	u64 padding64_2[5]; | 
 | 	u64 guest_physical_address; | 
 |  | 
 | 	u32 vm_instruction_error; | 
 | 	u32 vm_exit_reason; | 
 | 	u32 vm_exit_intr_info; | 
 | 	u32 vm_exit_intr_error_code; | 
 | 	u32 idt_vectoring_info_field; | 
 | 	u32 idt_vectoring_error_code; | 
 | 	u32 vm_exit_instruction_len; | 
 | 	u32 vmx_instruction_info; | 
 |  | 
 | 	u64 exit_qualification; | 
 | 	u64 exit_io_instruction_ecx; | 
 | 	u64 exit_io_instruction_esi; | 
 | 	u64 exit_io_instruction_edi; | 
 | 	u64 exit_io_instruction_eip; | 
 |  | 
 | 	u64 guest_linear_address; | 
 | 	u64 guest_rsp; | 
 | 	u64 guest_rflags; | 
 |  | 
 | 	u32 guest_interruptibility_info; | 
 | 	u32 cpu_based_vm_exec_control; | 
 | 	u32 exception_bitmap; | 
 | 	u32 vm_entry_controls; | 
 | 	u32 vm_entry_intr_info_field; | 
 | 	u32 vm_entry_exception_error_code; | 
 | 	u32 vm_entry_instruction_len; | 
 | 	u32 tpr_threshold; | 
 |  | 
 | 	u64 guest_rip; | 
 |  | 
 | 	u32 hv_clean_fields; | 
 | 	u32 padding32_1; | 
 | 	u32 hv_synthetic_controls; | 
 | 	struct { | 
 | 		u32 nested_flush_hypercall:1; | 
 | 		u32 msr_bitmap:1; | 
 | 		u32 reserved:30; | 
 | 	}  __packed hv_enlightenments_control; | 
 | 	u32 hv_vp_id; | 
 | 	u32 padding32_2; | 
 | 	u64 hv_vm_id; | 
 | 	u64 partition_assist_page; | 
 | 	u64 padding64_4[4]; | 
 | 	u64 guest_bndcfgs; | 
 | 	u64 guest_ia32_perf_global_ctrl; | 
 | 	u64 guest_ia32_s_cet; | 
 | 	u64 guest_ssp; | 
 | 	u64 guest_ia32_int_ssp_table_addr; | 
 | 	u64 guest_ia32_lbr_ctl; | 
 | 	u64 padding64_5[2]; | 
 | 	u64 xss_exit_bitmap; | 
 | 	u64 encls_exiting_bitmap; | 
 | 	u64 host_ia32_perf_global_ctrl; | 
 | 	u64 tsc_multiplier; | 
 | 	u64 host_ia32_s_cet; | 
 | 	u64 host_ssp; | 
 | 	u64 host_ia32_int_ssp_table_addr; | 
 | 	u64 padding64_6; | 
 | } __packed; | 
 |  | 
 | #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE			0 | 
 | #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_IO_BITMAP		BIT(0) | 
 | #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_MSR_BITMAP		BIT(1) | 
 | #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2		BIT(2) | 
 | #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP1		BIT(3) | 
 | #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_PROC		BIT(4) | 
 | #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EVENT		BIT(5) | 
 | #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_ENTRY		BIT(6) | 
 | #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EXCPN		BIT(7) | 
 | #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR			BIT(8) | 
 | #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_XLAT		BIT(9) | 
 | #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_BASIC		BIT(10) | 
 | #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1		BIT(11) | 
 | #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2		BIT(12) | 
 | #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER		BIT(13) | 
 | #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1		BIT(14) | 
 | #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_ENLIGHTENMENTSCONTROL	BIT(15) | 
 |  | 
 | #define HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL			0xFFFF | 
 |  | 
 | /* | 
 |  * Note, Hyper-V isn't actually stealing bit 28 from Intel, just abusing it by | 
 |  * pairing it with architecturally impossible exit reasons.  Bit 28 is set only | 
 |  * on SMI exits to a SMI transfer monitor (STM) and if and only if a MTF VM-Exit | 
 |  * is pending.  I.e. it will never be set by hardware for non-SMI exits (there | 
 |  * are only three), nor will it ever be set unless the VMM is an STM. | 
 |  */ | 
 | #define HV_VMX_SYNTHETIC_EXIT_REASON_TRAP_AFTER_FLUSH		0x10000031 | 
 |  | 
 | /* | 
 |  * Hyper-V uses the software reserved 32 bytes in VMCB control area to expose | 
 |  * SVM enlightenments to guests. | 
 |  */ | 
 | struct hv_vmcb_enlightenments { | 
 | 	struct __packed hv_enlightenments_control { | 
 | 		u32 nested_flush_hypercall:1; | 
 | 		u32 msr_bitmap:1; | 
 | 		u32 enlightened_npt_tlb: 1; | 
 | 		u32 reserved:29; | 
 | 	} __packed hv_enlightenments_control; | 
 | 	u32 hv_vp_id; | 
 | 	u64 hv_vm_id; | 
 | 	u64 partition_assist_page; | 
 | 	u64 reserved; | 
 | } __packed; | 
 |  | 
 | /* | 
 |  * Hyper-V uses the software reserved clean bit in VMCB. | 
 |  */ | 
 | #define HV_VMCB_NESTED_ENLIGHTENMENTS		31 | 
 |  | 
 | /* Synthetic VM-Exit */ | 
 | #define HV_SVM_EXITCODE_ENL			0xf0000000 | 
 | #define HV_SVM_ENL_EXITCODE_TRAP_AFTER_FLUSH	(1) | 
 |  | 
 | struct hv_partition_assist_pg { | 
 | 	u32 tlb_lock_count; | 
 | }; | 
 |  | 
 | enum hv_interrupt_type { | 
 | 	HV_X64_INTERRUPT_TYPE_FIXED             = 0x0000, | 
 | 	HV_X64_INTERRUPT_TYPE_LOWESTPRIORITY    = 0x0001, | 
 | 	HV_X64_INTERRUPT_TYPE_SMI               = 0x0002, | 
 | 	HV_X64_INTERRUPT_TYPE_REMOTEREAD        = 0x0003, | 
 | 	HV_X64_INTERRUPT_TYPE_NMI               = 0x0004, | 
 | 	HV_X64_INTERRUPT_TYPE_INIT              = 0x0005, | 
 | 	HV_X64_INTERRUPT_TYPE_SIPI              = 0x0006, | 
 | 	HV_X64_INTERRUPT_TYPE_EXTINT            = 0x0007, | 
 | 	HV_X64_INTERRUPT_TYPE_LOCALINT0         = 0x0008, | 
 | 	HV_X64_INTERRUPT_TYPE_LOCALINT1         = 0x0009, | 
 | 	HV_X64_INTERRUPT_TYPE_MAXIMUM           = 0x000A, | 
 | }; | 
 |  | 
 | union hv_msi_address_register { | 
 | 	u32 as_uint32; | 
 | 	struct { | 
 | 		u32 reserved1:2; | 
 | 		u32 destination_mode:1; | 
 | 		u32 redirection_hint:1; | 
 | 		u32 reserved2:8; | 
 | 		u32 destination_id:8; | 
 | 		u32 msi_base:12; | 
 | 	}; | 
 | } __packed; | 
 |  | 
 | union hv_msi_data_register { | 
 | 	u32 as_uint32; | 
 | 	struct { | 
 | 		u32 vector:8; | 
 | 		u32 delivery_mode:3; | 
 | 		u32 reserved1:3; | 
 | 		u32 level_assert:1; | 
 | 		u32 trigger_mode:1; | 
 | 		u32 reserved2:16; | 
 | 	}; | 
 | } __packed; | 
 |  | 
 | /* HvRetargetDeviceInterrupt hypercall */ | 
 | union hv_msi_entry { | 
 | 	u64 as_uint64; | 
 | 	struct { | 
 | 		union hv_msi_address_register address; | 
 | 		union hv_msi_data_register data; | 
 | 	} __packed; | 
 | }; | 
 |  | 
 | struct hv_x64_segment_register { | 
 | 	u64 base; | 
 | 	u32 limit; | 
 | 	u16 selector; | 
 | 	union { | 
 | 		struct { | 
 | 			u16 segment_type : 4; | 
 | 			u16 non_system_segment : 1; | 
 | 			u16 descriptor_privilege_level : 2; | 
 | 			u16 present : 1; | 
 | 			u16 reserved : 4; | 
 | 			u16 available : 1; | 
 | 			u16 _long : 1; | 
 | 			u16 _default : 1; | 
 | 			u16 granularity : 1; | 
 | 		} __packed; | 
 | 		u16 attributes; | 
 | 	}; | 
 | } __packed; | 
 |  | 
 | struct hv_x64_table_register { | 
 | 	u16 pad[3]; | 
 | 	u16 limit; | 
 | 	u64 base; | 
 | } __packed; | 
 |  | 
 | struct hv_init_vp_context { | 
 | 	u64 rip; | 
 | 	u64 rsp; | 
 | 	u64 rflags; | 
 |  | 
 | 	struct hv_x64_segment_register cs; | 
 | 	struct hv_x64_segment_register ds; | 
 | 	struct hv_x64_segment_register es; | 
 | 	struct hv_x64_segment_register fs; | 
 | 	struct hv_x64_segment_register gs; | 
 | 	struct hv_x64_segment_register ss; | 
 | 	struct hv_x64_segment_register tr; | 
 | 	struct hv_x64_segment_register ldtr; | 
 |  | 
 | 	struct hv_x64_table_register idtr; | 
 | 	struct hv_x64_table_register gdtr; | 
 |  | 
 | 	u64 efer; | 
 | 	u64 cr0; | 
 | 	u64 cr3; | 
 | 	u64 cr4; | 
 | 	u64 msr_cr_pat; | 
 | } __packed; | 
 |  | 
 | union hv_input_vtl { | 
 | 	u8 as_uint8; | 
 | 	struct { | 
 | 		u8 target_vtl: 4; | 
 | 		u8 use_target_vtl: 1; | 
 | 		u8 reserved_z: 3; | 
 | 	}; | 
 | } __packed; | 
 |  | 
 | struct hv_enable_vp_vtl { | 
 | 	u64				partition_id; | 
 | 	u32				vp_index; | 
 | 	union hv_input_vtl		target_vtl; | 
 | 	u8				mbz0; | 
 | 	u16				mbz1; | 
 | 	struct hv_init_vp_context	vp_context; | 
 | } __packed; | 
 |  | 
 | struct hv_get_vp_from_apic_id_in { | 
 | 	u64 partition_id; | 
 | 	union hv_input_vtl target_vtl; | 
 | 	u8 res[7]; | 
 | 	u32 apic_ids[]; | 
 | } __packed; | 
 |  | 
 | #include <asm-generic/hyperv-tlfs.h> | 
 |  | 
 | #endif |