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#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)
/*
* 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 flag.
*/
#define HV_CRASH_CTL_CRASH_NOTIFY (1ULL << 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))
/*
* 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
#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_SPARCE_4K,
HV_GENERIC_SET_ALL,
};
/* 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;
} 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