| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| |
| /* |
| * 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_NESTED_FEATURES 0x4000000A |
| |
| #define HYPERV_HYPERVISOR_PRESENT_BIT 0x80000000 |
| #define HYPERV_CPUID_MIN 0x40000005 |
| #define HYPERV_CPUID_MAX 0x4000ffff |
| |
| /* |
| * Feature identification. EAX indicates which features are available |
| * to the partition based upon the current partition privileges. |
| * These are HYPERV_CPUID_FEATURES.EAX bits. |
| */ |
| |
| /* VP Runtime (HV_X64_MSR_VP_RUNTIME) available */ |
| #define HV_X64_MSR_VP_RUNTIME_AVAILABLE BIT(0) |
| /* Partition Reference Counter (HV_X64_MSR_TIME_REF_COUNT) available*/ |
| #define HV_MSR_TIME_REF_COUNT_AVAILABLE BIT(1) |
| /* |
| * Basic SynIC MSRs (HV_X64_MSR_SCONTROL through HV_X64_MSR_EOM |
| * and HV_X64_MSR_SINT0 through HV_X64_MSR_SINT15) available |
| */ |
| #define HV_X64_MSR_SYNIC_AVAILABLE BIT(2) |
| /* |
| * Synthetic Timer MSRs (HV_X64_MSR_STIMER0_CONFIG through |
| * HV_X64_MSR_STIMER3_COUNT) available |
| */ |
| #define HV_MSR_SYNTIMER_AVAILABLE BIT(3) |
| /* |
| * APIC access MSRs (HV_X64_MSR_EOI, HV_X64_MSR_ICR and HV_X64_MSR_TPR) |
| * are available |
| */ |
| #define HV_X64_MSR_APIC_ACCESS_AVAILABLE BIT(4) |
| /* Hypercall MSRs (HV_X64_MSR_GUEST_OS_ID and HV_X64_MSR_HYPERCALL) available*/ |
| #define HV_X64_MSR_HYPERCALL_AVAILABLE BIT(5) |
| /* Access virtual processor index MSR (HV_X64_MSR_VP_INDEX) available*/ |
| #define HV_X64_MSR_VP_INDEX_AVAILABLE BIT(6) |
| /* Virtual system reset MSR (HV_X64_MSR_RESET) is available*/ |
| #define HV_X64_MSR_RESET_AVAILABLE BIT(7) |
| /* |
| * Access statistics pages MSRs (HV_X64_MSR_STATS_PARTITION_RETAIL_PAGE, |
| * HV_X64_MSR_STATS_PARTITION_INTERNAL_PAGE, HV_X64_MSR_STATS_VP_RETAIL_PAGE, |
| * HV_X64_MSR_STATS_VP_INTERNAL_PAGE) available |
| */ |
| #define HV_X64_MSR_STAT_PAGES_AVAILABLE BIT(8) |
| /* Partition reference TSC MSR is available */ |
| #define HV_MSR_REFERENCE_TSC_AVAILABLE BIT(9) |
| /* Partition Guest IDLE MSR is available */ |
| #define HV_X64_MSR_GUEST_IDLE_AVAILABLE BIT(10) |
| /* |
| * There is a single feature flag that signifies if the partition has access |
| * to MSRs with local APIC and TSC frequencies. |
| */ |
| #define HV_X64_ACCESS_FREQUENCY_MSRS BIT(11) |
| /* AccessReenlightenmentControls privilege */ |
| #define HV_X64_ACCESS_REENLIGHTENMENT BIT(13) |
| |
| /* |
| * Feature identification: indicates which flags were specified at partition |
| * creation. The format is the same as the partition creation flag structure |
| * defined in section Partition Creation Flags. |
| * These are HYPERV_CPUID_FEATURES.EBX bits. |
| */ |
| #define HV_X64_CREATE_PARTITIONS BIT(0) |
| #define HV_X64_ACCESS_PARTITION_ID BIT(1) |
| #define HV_X64_ACCESS_MEMORY_POOL BIT(2) |
| #define HV_X64_ADJUST_MESSAGE_BUFFERS BIT(3) |
| #define HV_X64_POST_MESSAGES BIT(4) |
| #define HV_X64_SIGNAL_EVENTS BIT(5) |
| #define HV_X64_CREATE_PORT BIT(6) |
| #define HV_X64_CONNECT_PORT BIT(7) |
| #define HV_X64_ACCESS_STATS BIT(8) |
| #define HV_X64_DEBUGGING BIT(11) |
| #define HV_X64_CPU_POWER_MANAGEMENT BIT(12) |
| |
| /* |
| * Feature identification. EDX indicates which miscellaneous features |
| * are available to the partition. |
| * 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_PARAMS_XMM_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) |
| /* 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) |
| |
| /* Recommend using enlightened VMCS */ |
| #define HV_X64_ENLIGHTENED_VMCS_RECOMMENDED BIT(14) |
| |
| /* Nested features. These are HYPERV_CPUID_NESTED_FEATURES.EAX bits. */ |
| #define HV_X64_NESTED_GUEST_MAPPING_FLUSH BIT(18) |
| #define HV_X64_NESTED_MSR_BITMAP BIT(19) |
| |
| /* 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_X64_MSR_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_X64_MSR_TIME_REF_COUNT 0x40000020 |
| |
| /* A partition's reference time stamp counter (TSC) page */ |
| #define HV_X64_MSR_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_X64_MSR_SCONTROL 0x40000080 |
| #define HV_X64_MSR_SVERSION 0x40000081 |
| #define HV_X64_MSR_SIEFP 0x40000082 |
| #define HV_X64_MSR_SIMP 0x40000083 |
| #define HV_X64_MSR_EOM 0x40000084 |
| #define HV_X64_MSR_SINT0 0x40000090 |
| #define HV_X64_MSR_SINT1 0x40000091 |
| #define HV_X64_MSR_SINT2 0x40000092 |
| #define HV_X64_MSR_SINT3 0x40000093 |
| #define HV_X64_MSR_SINT4 0x40000094 |
| #define HV_X64_MSR_SINT5 0x40000095 |
| #define HV_X64_MSR_SINT6 0x40000096 |
| #define HV_X64_MSR_SINT7 0x40000097 |
| #define HV_X64_MSR_SINT8 0x40000098 |
| #define HV_X64_MSR_SINT9 0x40000099 |
| #define HV_X64_MSR_SINT10 0x4000009A |
| #define HV_X64_MSR_SINT11 0x4000009B |
| #define HV_X64_MSR_SINT12 0x4000009C |
| #define HV_X64_MSR_SINT13 0x4000009D |
| #define HV_X64_MSR_SINT14 0x4000009E |
| #define HV_X64_MSR_SINT15 0x4000009F |
| |
| /* |
| * Synthetic Timer MSRs. Four timers per vcpu. |
| */ |
| #define HV_X64_MSR_STIMER0_CONFIG 0x400000B0 |
| #define HV_X64_MSR_STIMER0_COUNT 0x400000B1 |
| #define HV_X64_MSR_STIMER1_CONFIG 0x400000B2 |
| #define HV_X64_MSR_STIMER1_COUNT 0x400000B3 |
| #define HV_X64_MSR_STIMER2_CONFIG 0x400000B4 |
| #define HV_X64_MSR_STIMER2_COUNT 0x400000B5 |
| #define HV_X64_MSR_STIMER3_CONFIG 0x400000B6 |
| #define HV_X64_MSR_STIMER3_COUNT 0x400000B7 |
| |
| /* Hyper-V guest idle MSR */ |
| #define HV_X64_MSR_GUEST_IDLE 0x400000F0 |
| |
| /* Hyper-V guest crash notification MSR's */ |
| #define HV_X64_MSR_CRASH_P0 0x40000100 |
| #define HV_X64_MSR_CRASH_P1 0x40000101 |
| #define HV_X64_MSR_CRASH_P2 0x40000102 |
| #define HV_X64_MSR_CRASH_P3 0x40000103 |
| #define HV_X64_MSR_CRASH_P4 0x40000104 |
| #define HV_X64_MSR_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 |
| |
| /* |
| * 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; |
| }; |
| |
| /* |
| * TSC page layout. |
| */ |
| struct ms_hyperv_tsc_page { |
| volatile u32 tsc_sequence; |
| u32 reserved1; |
| volatile u64 tsc_scale; |
| volatile s64 tsc_offset; |
| u64 reserved2[509]; |
| } __packed; |
| |
| /* |
| * The guest OS needs to register the guest ID with the hypervisor. |
| * The guest ID is a 64 bit entity and the structure of this ID is |
| * specified in the Hyper-V specification: |
| * |
| * msdn.microsoft.com/en-us/library/windows/hardware/ff542653%28v=vs.85%29.aspx |
| * |
| * While the current guideline does not specify how Linux guest ID(s) |
| * need to be generated, our plan is to publish the guidelines for |
| * Linux and other guest operating systems that currently are hosted |
| * on Hyper-V. The implementation here conforms to this yet |
| * unpublished guidelines. |
| * |
| * |
| * Bit(s) |
| * 63 - Indicates if the OS is Open Source or not; 1 is Open Source |
| * 62:56 - Os Type; Linux is 0x100 |
| * 55:48 - Distro specific identification |
| * 47:16 - Linux kernel version number |
| * 15:0 - Distro specific identification |
| * |
| * |
| */ |
| |
| #define HV_LINUX_VENDOR_ID 0x8100 |
| |
| 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)) |
| |
| /* |
| * Crash notification (HV_X64_MSR_CRASH_CTL) flags. |
| */ |
| #define HV_CRASH_CTL_CRASH_NOTIFY_MSG BIT_ULL(62) |
| #define HV_CRASH_CTL_CRASH_NOTIFY BIT_ULL(63) |
| #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 |
| |
| /* Declare the various hypercall operations. */ |
| #define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE 0x0002 |
| #define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST 0x0003 |
| #define HVCALL_NOTIFY_LONG_SPIN_WAIT 0x0008 |
| #define HVCALL_SEND_IPI 0x000b |
| #define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE_EX 0x0013 |
| #define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST_EX 0x0014 |
| #define HVCALL_SEND_IPI_EX 0x0015 |
| #define HVCALL_POST_MESSAGE 0x005c |
| #define HVCALL_SIGNAL_EVENT 0x005d |
| #define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_SPACE 0x00af |
| #define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_LIST 0x00b0 |
| |
| #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 |
| |
| #define HV_PROCESSOR_POWER_STATE_C0 0 |
| #define HV_PROCESSOR_POWER_STATE_C1 1 |
| #define HV_PROCESSOR_POWER_STATE_C2 2 |
| #define HV_PROCESSOR_POWER_STATE_C3 3 |
| |
| #define HV_FLUSH_ALL_PROCESSORS BIT(0) |
| #define HV_FLUSH_ALL_VIRTUAL_ADDRESS_SPACES BIT(1) |
| #define HV_FLUSH_NON_GLOBAL_MAPPINGS_ONLY BIT(2) |
| #define HV_FLUSH_USE_EXTENDED_RANGE_FORMAT BIT(3) |
| |
| enum HV_GENERIC_SET_FORMAT { |
| HV_GENERIC_SET_SPARSE_4K, |
| HV_GENERIC_SET_ALL, |
| }; |
| |
| #define HV_HYPERCALL_RESULT_MASK GENMASK_ULL(15, 0) |
| #define HV_HYPERCALL_FAST_BIT BIT(16) |
| #define HV_HYPERCALL_VARHEAD_OFFSET 17 |
| #define HV_HYPERCALL_REP_COMP_OFFSET 32 |
| #define HV_HYPERCALL_REP_COMP_MASK GENMASK_ULL(43, 32) |
| #define HV_HYPERCALL_REP_START_OFFSET 48 |
| #define HV_HYPERCALL_REP_START_MASK GENMASK_ULL(59, 48) |
| |
| /* hypercall status code */ |
| #define HV_STATUS_SUCCESS 0 |
| #define HV_STATUS_INVALID_HYPERCALL_CODE 2 |
| #define HV_STATUS_INVALID_HYPERCALL_INPUT 3 |
| #define HV_STATUS_INVALID_ALIGNMENT 4 |
| #define HV_STATUS_INVALID_PARAMETER 5 |
| #define HV_STATUS_INSUFFICIENT_MEMORY 11 |
| #define HV_STATUS_INVALID_PORT_ID 17 |
| #define HV_STATUS_INVALID_CONNECTION_ID 18 |
| #define HV_STATUS_INSUFFICIENT_BUFFERS 19 |
| |
| typedef struct _HV_REFERENCE_TSC_PAGE { |
| __u32 tsc_sequence; |
| __u32 res1; |
| __u64 tsc_scale; |
| __s64 tsc_offset; |
| } __packed HV_REFERENCE_TSC_PAGE, *PHV_REFERENCE_TSC_PAGE; |
| |
| /* Define the number of synthetic interrupt sources. */ |
| #define HV_SYNIC_SINT_COUNT (16) |
| /* Define the expected SynIC version. */ |
| #define HV_SYNIC_VERSION_1 (0x1) |
| /* Valid SynIC vectors are 16-255. */ |
| #define HV_SYNIC_FIRST_VALID_VECTOR (16) |
| |
| #define HV_SYNIC_CONTROL_ENABLE (1ULL << 0) |
| #define HV_SYNIC_SIMP_ENABLE (1ULL << 0) |
| #define HV_SYNIC_SIEFP_ENABLE (1ULL << 0) |
| #define HV_SYNIC_SINT_MASKED (1ULL << 16) |
| #define HV_SYNIC_SINT_AUTO_EOI (1ULL << 17) |
| #define HV_SYNIC_SINT_VECTOR_MASK (0xFF) |
| |
| #define HV_SYNIC_STIMER_COUNT (4) |
| |
| /* Define synthetic interrupt controller message constants. */ |
| #define HV_MESSAGE_SIZE (256) |
| #define HV_MESSAGE_PAYLOAD_BYTE_COUNT (240) |
| #define HV_MESSAGE_PAYLOAD_QWORD_COUNT (30) |
| |
| /* Define hypervisor message types. */ |
| enum hv_message_type { |
| HVMSG_NONE = 0x00000000, |
| |
| /* Memory access messages. */ |
| HVMSG_UNMAPPED_GPA = 0x80000000, |
| HVMSG_GPA_INTERCEPT = 0x80000001, |
| |
| /* Timer notification messages. */ |
| HVMSG_TIMER_EXPIRED = 0x80000010, |
| |
| /* Error messages. */ |
| HVMSG_INVALID_VP_REGISTER_VALUE = 0x80000020, |
| HVMSG_UNRECOVERABLE_EXCEPTION = 0x80000021, |
| HVMSG_UNSUPPORTED_FEATURE = 0x80000022, |
| |
| /* Trace buffer complete messages. */ |
| HVMSG_EVENTLOG_BUFFERCOMPLETE = 0x80000040, |
| |
| /* Platform-specific processor intercept messages. */ |
| HVMSG_X64_IOPORT_INTERCEPT = 0x80010000, |
| HVMSG_X64_MSR_INTERCEPT = 0x80010001, |
| HVMSG_X64_CPUID_INTERCEPT = 0x80010002, |
| HVMSG_X64_EXCEPTION_INTERCEPT = 0x80010003, |
| HVMSG_X64_APIC_EOI = 0x80010004, |
| HVMSG_X64_LEGACY_FP_ERROR = 0x80010005 |
| }; |
| |
| /* Define synthetic interrupt controller message flags. */ |
| union hv_message_flags { |
| __u8 asu8; |
| struct { |
| __u8 msg_pending:1; |
| __u8 reserved:7; |
| } __packed; |
| }; |
| |
| /* Define port identifier type. */ |
| union hv_port_id { |
| __u32 asu32; |
| struct { |
| __u32 id:24; |
| __u32 reserved:8; |
| } __packed u; |
| }; |
| |
| /* Define synthetic interrupt controller message header. */ |
| struct hv_message_header { |
| __u32 message_type; |
| __u8 payload_size; |
| union hv_message_flags message_flags; |
| __u8 reserved[2]; |
| union { |
| __u64 sender; |
| union hv_port_id port; |
| }; |
| } __packed; |
| |
| /* Define synthetic interrupt controller message format. */ |
| struct hv_message { |
| struct hv_message_header header; |
| union { |
| __u64 payload[HV_MESSAGE_PAYLOAD_QWORD_COUNT]; |
| } u; |
| } __packed; |
| |
| /* Define the synthetic interrupt message page layout. */ |
| struct hv_message_page { |
| struct hv_message sint_message[HV_SYNIC_SINT_COUNT]; |
| } __packed; |
| |
| /* Define timer message payload structure. */ |
| struct hv_timer_message_payload { |
| __u32 timer_index; |
| __u32 reserved; |
| __u64 expiration_time; /* When the timer expired */ |
| __u64 delivery_time; /* When the message was delivered */ |
| } __packed; |
| |
| /* Define virtual processor assist page structure. */ |
| struct hv_vp_assist_page { |
| __u32 apic_assist; |
| __u32 reserved; |
| __u64 vtl_control[2]; |
| __u64 nested_enlightenments_control[2]; |
| __u32 enlighten_vmentry; |
| __u32 padding; |
| __u64 current_nested_vmcs; |
| } __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 hv_padding_32; |
| 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; |
| |
| u64 hv_vm_id; |
| u64 partition_assist_page; |
| u64 padding64_4[4]; |
| u64 guest_bndcfgs; |
| u64 padding64_5[7]; |
| u64 xss_exit_bitmap; |
| u64 padding64_6[7]; |
| } __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 |
| |
| /* Define synthetic interrupt controller flag constants. */ |
| #define HV_EVENT_FLAGS_COUNT (256 * 8) |
| #define HV_EVENT_FLAGS_LONG_COUNT (256 / sizeof(unsigned long)) |
| |
| /* |
| * Synthetic timer configuration. |
| */ |
| union hv_stimer_config { |
| u64 as_uint64; |
| struct { |
| u64 enable:1; |
| u64 periodic:1; |
| u64 lazy:1; |
| u64 auto_enable:1; |
| u64 apic_vector:8; |
| u64 direct_mode:1; |
| u64 reserved_z0:3; |
| u64 sintx:4; |
| u64 reserved_z1:44; |
| } __packed; |
| }; |
| |
| |
| /* Define the synthetic interrupt controller event flags format. */ |
| union hv_synic_event_flags { |
| unsigned long flags[HV_EVENT_FLAGS_LONG_COUNT]; |
| }; |
| |
| /* Define SynIC control register. */ |
| union hv_synic_scontrol { |
| u64 as_uint64; |
| struct { |
| u64 enable:1; |
| u64 reserved:63; |
| } __packed; |
| }; |
| |
| /* Define synthetic interrupt source. */ |
| union hv_synic_sint { |
| u64 as_uint64; |
| struct { |
| u64 vector:8; |
| u64 reserved1:8; |
| u64 masked:1; |
| u64 auto_eoi:1; |
| u64 reserved2:46; |
| } __packed; |
| }; |
| |
| /* Define the format of the SIMP register */ |
| union hv_synic_simp { |
| u64 as_uint64; |
| struct { |
| u64 simp_enabled:1; |
| u64 preserved:11; |
| u64 base_simp_gpa:52; |
| } __packed; |
| }; |
| |
| /* Define the format of the SIEFP register */ |
| union hv_synic_siefp { |
| u64 as_uint64; |
| struct { |
| u64 siefp_enabled:1; |
| u64 preserved:11; |
| u64 base_siefp_gpa:52; |
| } __packed; |
| }; |
| |
| struct hv_vpset { |
| u64 format; |
| u64 valid_bank_mask; |
| u64 bank_contents[]; |
| } __packed; |
| |
| /* HvCallSendSyntheticClusterIpi hypercall */ |
| struct hv_send_ipi { |
| u32 vector; |
| u32 reserved; |
| u64 cpu_mask; |
| } __packed; |
| |
| /* HvCallSendSyntheticClusterIpiEx hypercall */ |
| struct hv_send_ipi_ex { |
| u32 vector; |
| u32 reserved; |
| struct hv_vpset vp_set; |
| } __packed; |
| |
| /* HvFlushGuestPhysicalAddressSpace hypercalls */ |
| struct hv_guest_mapping_flush { |
| u64 address_space; |
| u64 flags; |
| } __packed; |
| |
| /* |
| * HV_MAX_FLUSH_PAGES = "additional_pages" + 1. It's limited |
| * by the bitwidth of "additional_pages" in union hv_gpa_page_range. |
| */ |
| #define HV_MAX_FLUSH_PAGES (2048) |
| |
| /* HvFlushGuestPhysicalAddressList hypercall */ |
| union hv_gpa_page_range { |
| u64 address_space; |
| struct { |
| u64 additional_pages:11; |
| u64 largepage:1; |
| u64 basepfn:52; |
| } page; |
| }; |
| |
| /* |
| * All input flush parameters should be in single page. The max flush |
| * count is equal with how many entries of union hv_gpa_page_range can |
| * be populated into the input parameter page. |
| */ |
| #define HV_MAX_FLUSH_REP_COUNT (PAGE_SIZE - 2 * sizeof(u64) / \ |
| sizeof(union hv_gpa_page_range)) |
| |
| struct hv_guest_mapping_flush_list { |
| u64 address_space; |
| u64 flags; |
| union hv_gpa_page_range gpa_list[HV_MAX_FLUSH_REP_COUNT]; |
| }; |
| |
| /* HvFlushVirtualAddressSpace, HvFlushVirtualAddressList hypercalls */ |
| struct hv_tlb_flush { |
| u64 address_space; |
| u64 flags; |
| u64 processor_mask; |
| u64 gva_list[]; |
| } __packed; |
| |
| /* HvFlushVirtualAddressSpaceEx, HvFlushVirtualAddressListEx hypercalls */ |
| struct hv_tlb_flush_ex { |
| u64 address_space; |
| u64 flags; |
| struct hv_vpset hv_vp_set; |
| u64 gva_list[]; |
| } __packed; |
| |
| #endif |
