|  | #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) | 
|  |  | 
|  | /* A partition's reference time stamp counter (TSC) page */ | 
|  | #define HV_X64_MSR_REFERENCE_TSC		0x40000021 | 
|  |  | 
|  | /* | 
|  | * There is a single feature flag that signifies the presence of the MSR | 
|  | * that can be used to retrieve both the local APIC Timer frequency as | 
|  | * well as the TSC frequency. | 
|  | */ | 
|  |  | 
|  | /* Local APIC timer frequency MSR (HV_X64_MSR_APIC_FREQUENCY) is available */ | 
|  | #define HV_X64_MSR_APIC_FREQUENCY_AVAILABLE (1 << 11) | 
|  |  | 
|  | /* TSC frequency MSR (HV_X64_MSR_TSC_FREQUENCY) is available */ | 
|  | #define HV_X64_MSR_TSC_FREQUENCY_AVAILABLE (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) | 
|  |  | 
|  | /* | 
|  | * 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_MWAIT_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) | 
|  |  | 
|  | /* 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 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 | 
|  |  | 
|  |  | 
|  | #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 HV_X64_HV_NOTIFY_LONG_SPIN_WAIT		0x0008 | 
|  |  | 
|  | #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 | 
|  |  | 
|  | /* 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_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; | 
|  |  | 
|  | #endif |