Edit File: hyperv.h
#ifndef _ASM_X86_HYPERV_H #define _ASM_X86_HYPERV_H #include <linux/types.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_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. */ /* VP Runtime (HV_X64_MSR_VP_RUNTIME) available */ #define HV_X64_MSR_VP_RUNTIME_AVAILABLE (1 << 0) /* Partition Reference Counter (HV_X64_MSR_TIME_REF_COUNT) available*/ #define HV_X64_MSR_TIME_REF_COUNT_AVAILABLE (1 << 1) /* Partition reference TSC MSR is available */ #define HV_X64_MSR_REFERENCE_TSC_AVAILABLE (1 << 9) /* A partition's reference time stamp counter (TSC) page */ #define HV_X64_MSR_REFERENCE_TSC 0x40000021 /* * 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 (1 << 11) /* * 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 (1 << 2) /* * Synthetic Timer MSRs (HV_X64_MSR_STIMER0_CONFIG through * HV_X64_MSR_STIMER3_COUNT) available */ #define HV_X64_MSR_SYNTIMER_AVAILABLE (1 << 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 (1 << 4) /* Hypercall MSRs (HV_X64_MSR_GUEST_OS_ID and HV_X64_MSR_HYPERCALL) available*/ #define HV_X64_MSR_HYPERCALL_AVAILABLE (1 << 5) /* Access virtual processor index MSR (HV_X64_MSR_VP_INDEX) available*/ #define HV_X64_MSR_VP_INDEX_AVAILABLE (1 << 6) /* Virtual system reset MSR (HV_X64_MSR_RESET) is available*/ #define HV_X64_MSR_RESET_AVAILABLE (1 << 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 (1 << 8) /* Frequency MSRs available */ #define HV_FEATURE_FREQUENCY_MSRS_AVAILABLE (1 << 8) /* Crash MSR available */ #define HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE (1 << 10) /* stimer Direct Mode is available */ #define HV_X64_STIMER_DIRECT_MODE_AVAILABLE (1 << 19) /* * Feature identification: EBX 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. */ #define HV_X64_CREATE_PARTITIONS (1 << 0) #define HV_X64_ACCESS_PARTITION_ID (1 << 1) #define HV_X64_ACCESS_MEMORY_POOL (1 << 2) #define HV_X64_ADJUST_MESSAGE_BUFFERS (1 << 3) #define HV_X64_POST_MESSAGES (1 << 4) #define HV_X64_SIGNAL_EVENTS (1 << 5) #define HV_X64_CREATE_PORT (1 << 6) #define HV_X64_CONNECT_PORT (1 << 7) #define HV_X64_ACCESS_STATS (1 << 8) #define HV_X64_DEBUGGING (1 << 11) #define HV_X64_CPU_POWER_MANAGEMENT (1 << 12) #define HV_X64_CONFIGURE_PROFILER (1 << 13) /* * Feature identification. EDX indicates which miscellaneous features * are available to the partition. */ /* The MWAIT instruction is available (per section MONITOR / MWAIT) */ #define HV_X64_MWAIT_AVAILABLE (1 << 0) /* Guest debugging support is available */ #define HV_X64_GUEST_DEBUGGING_AVAILABLE (1 << 1) /* Performance Monitor support is available*/ #define HV_X64_PERF_MONITOR_AVAILABLE (1 << 2) /* Support for physical CPU dynamic partitioning events is available*/ #define HV_X64_CPU_DYNAMIC_PARTITIONING_AVAILABLE (1 << 3) /* * Support for passing hypercall input parameter block via XMM * registers is available */ #define HV_X64_HYPERCALL_PARAMS_XMM_AVAILABLE (1 << 4) /* Support for a virtual guest idle state is available */ #define HV_X64_GUEST_IDLE_STATE_AVAILABLE (1 << 5) /* * Implementation recommendations. Indicates which behaviors the hypervisor * recommends the OS implement for optimal performance. */ /* * Recommend using hypercall for address space switches rather * than MOV to CR3 instruction */ #define HV_X64_AS_SWITCH_RECOMMENDED (1 << 0) /* Recommend using hypercall for local TLB flushes rather * than INVLPG or MOV to CR3 instructions */ #define HV_X64_LOCAL_TLB_FLUSH_RECOMMENDED (1 << 1) /* * Recommend using hypercall for remote TLB flushes rather * than inter-processor interrupts */ #define HV_X64_REMOTE_TLB_FLUSH_RECOMMENDED (1 << 2) /* * Recommend using MSRs for accessing APIC registers * EOI, ICR and TPR rather than their memory-mapped counterparts */ #define HV_X64_APIC_ACCESS_RECOMMENDED (1 << 3) /* Recommend using the hypervisor-provided MSR to initiate a system RESET */ #define HV_X64_SYSTEM_RESET_RECOMMENDED (1 << 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 (1 << 5) /* * HV_VP_SET available */ #define HV_X64_EX_PROCESSOR_MASKS_RECOMMENDED (1 << 11) /* * Virtual APIC support */ #define HV_X64_DEPRECATING_AEOI_RECOMMENDED (1 << 9) /* Recommend using the newer ExProcessorMasks interface */ #define HV_X64_EX_PROCESSOR_MASKS_RECOMMENDED (1 << 11) /* * Crash notification flags. */ #define HV_CRASH_CTL_CRASH_NOTIFY_MSG BIT_ULL(62) #define HV_CRASH_CTL_CRASH_NOTIFY BIT_ULL(63) /* 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 /* 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_APIC_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 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 #define HV_X64_MSR_CRASH_CTL_NOTIFY (1ULL << 63) #define HV_X64_MSR_CRASH_PARAMS \ (1 + (HV_X64_MSR_CRASH_P4 - HV_X64_MSR_CRASH_P0)) #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)) /* 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_FLUSH_VIRTUAL_ADDRESS_SPACE_EX 0x0013 #define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST_EX 0x0014 #define HVCALL_POST_MESSAGE 0x005c #define HVCALL_SIGNAL_EVENT 0x005d #define HV_X64_MSR_APIC_ASSIST_PAGE_ENABLE 0x00000001 #define HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_SHIFT 12 #define HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_MASK \ (~((1ull << HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_SHIFT) - 1)) #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, }; struct hv_vpset { __u64 format; __u64 valid_bank_mask; __u64 bank_contents[]; }; /* 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_INSUFFICIENT_MEMORY 11 #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; } 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; }; }; /* Define port identifier type. */ union hv_port_id { __u32 asu32; struct { __u32 id:24; __u32 reserved:8; } 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; }; }; /* Define synthetic interrupt controller message format. */ struct hv_message { struct hv_message_header header; union { __u64 payload[HV_MESSAGE_PAYLOAD_QWORD_COUNT]; } u; }; /* Define the synthetic interrupt message page layout. */ struct hv_message_page { struct hv_message sint_message[HV_SYNIC_SINT_COUNT]; }; /* 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 */ }; #define HV_STIMER_ENABLE (1ULL << 0) #define HV_STIMER_PERIODIC (1ULL << 1) #define HV_STIMER_LAZY (1ULL << 2) #define HV_STIMER_AUTOENABLE (1ULL << 3) #define HV_STIMER_SINT(config) (__u8)(((config) >> 16) & 0x0F) #endif