drivers/staging/hv/hv_api.h - kernel/msm-4.9 - Gitiles

 /*
  *
  * Copyright (c) 2009, Microsoft Corporation.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
  * version 2, as published by the Free Software Foundation.
  *
  * This program is distributed in the hope it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  * more details.
  *
  * You should have received a copy of the GNU General Public License along with
  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  * Place - Suite 330, Boston, MA 02111-1307 USA.
  *
  * Authors:
  *   Haiyang Zhang <haiyangz@microsoft.com>
  *   Hank Janssen  <hjanssen@microsoft.com>
  *
  */
 #ifndef __HV_API_H
 #define __HV_API_H

 /*
  * The below CPUID leaves are present if VersionAndFeatures.HypervisorPresent
  * is set by CPUID(HvCpuIdFunctionVersionAndFeatures).
  */
 enum hv_cpuid_function {
 	HvCpuIdFunctionVersionAndFeatures		= 0x00000001,
 	HvCpuIdFunctionHvVendorAndMaxFunction		= 0x40000000,
 	HvCpuIdFunctionHvInterface			= 0x40000001,

 	/*
 	 * The remaining functions depend on the value of
 	 * HvCpuIdFunctionInterface
 	 */
 	HvCpuIdFunctionMsHvVersion			= 0x40000002,
 	HvCpuIdFunctionMsHvFeatures			= 0x40000003,
 	HvCpuIdFunctionMsHvEnlightenmentInformation	= 0x40000004,
 	HvCpuIdFunctionMsHvImplementationLimits		= 0x40000005,
 };

 /* 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 version of the synthetic interrupt controller. */
 #define HV_SYNIC_VERSION		(1)

 /* 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 the expected SynIC version. */
 #define HV_SYNIC_VERSION_1		(0x1)

 /* 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 HV_ANY_VP			(0xFFFFFFFF)

 /* Define synthetic interrupt controller flag constants. */
 #define HV_EVENT_FLAGS_COUNT		(256 * 8)
 #define HV_EVENT_FLAGS_BYTE_COUNT	(256)
 #define HV_EVENT_FLAGS_DWORD_COUNT	(256 / sizeof(u32))

 /* Define hypervisor message types. */
 enum hv_message_type {
 	HvMessageTypeNone			= 0x00000000,

 	/* Memory access messages. */
 	HvMessageTypeUnmappedGpa		= 0x80000000,
 	HvMessageTypeGpaIntercept		= 0x80000001,

 	/* Timer notification messages. */
 	HvMessageTimerExpired			= 0x80000010,

 	/* Error messages. */
 	HvMessageTypeInvalidVpRegisterValue	= 0x80000020,
 	HvMessageTypeUnrecoverableException	= 0x80000021,
 	HvMessageTypeUnsupportedFeature		= 0x80000022,

 	/* Trace buffer complete messages. */
 	HvMessageTypeEventLogBufferComplete	= 0x80000040,

 	/* Platform-specific processor intercept messages. */
 	HvMessageTypeX64IoPortIntercept		= 0x80010000,
 	HvMessageTypeX64MsrIntercept		= 0x80010001,
 	HvMessageTypeX64CpuidIntercept		= 0x80010002,
 	HvMessageTypeX64ExceptionIntercept	= 0x80010003,
 	HvMessageTypeX64ApicEoi			= 0x80010004,
 	HvMessageTypeX64LegacyFpError		= 0x80010005
 };

 /* Define the number of synthetic interrupt sources. */
 #define HV_SYNIC_SINT_COUNT		(16)
 #define HV_SYNIC_STIMER_COUNT		(4)

 /* Define invalid partition identifier. */
 #define HV_PARTITION_ID_INVALID		((u64)0x0)

 /* Define connection identifier type. */
 union hv_connection_id {
 	u32 Asu32;
 	struct {
 		u32 Id:24;
 		u32 Reserved:8;
 	} u;
 };

 /* Define port identifier type. */
 union hv_port_id {
 	u32 Asu32;
 	struct {
 		u32 Id:24;
 		u32 Reserved:8;
 	} u ;
 };

 /* Define port type. */
 enum hv_port_type {
 	HvPortTypeMessage	= 1,
 	HvPortTypeEvent		= 2,
 	HvPortTypeMonitor	= 3
 };

 /* Define port information structure. */
 struct hv_port_info {
 	enum hv_port_type PortType;
 	u32 Padding;
 	union {
 		struct {
 			u32 TargetSint;
 			u32 TargetVp;
 			u64 RsvdZ;
 		} MessagePortInfo;
 		struct {
 			u32 TargetSint;
 			u32 TargetVp;
 			u16 BaseFlagNumber;
 			u16 FlagCount;
 			u32 RsvdZ;
 		} EventPortInfo;
 		struct {
 			u64 MonitorAddress;
 			u64 RsvdZ;
 		} MonitorPortInfo;
 	};
 };

 struct hv_connection_info {
 	enum hv_port_type PortType;
 	u32 Padding;
 	union {
 		struct {
 			u64 RsvdZ;
 		} MessageConnectionInfo;
 		struct {
 			u64 RsvdZ;
 		} EventConnectionInfo;
 		struct {
 			u64 MonitorAddress;
 		} MonitorConnectionInfo;
 	};
 };

 /* Define synthetic interrupt controller message flags. */
 union hv_message_flags {
 	u8 Asu8;
 	struct {
 		u8 MessagePending:1;
 		u8 Reserved:7;
 	};
 };

 /* Define synthetic interrupt controller message header. */
 struct hv_message_header {
 	enum hv_message_type MessageType;
 	u8 PayloadSize;
 	union hv_message_flags MessageFlags;
 	u8 Reserved[2];
 	union {
 		u64 Sender;
 		union hv_port_id Port;
 	};
 };

 /* Define timer message payload structure. */
 struct hv_timer_message_payload {
 	u32 TimerIndex;
 	u32 Reserved;
 	u64 ExpirationTime;	/* When the timer expired */
 	u64 DeliveryTime;	/* When the message was delivered */
 };

 /* 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 number of message buffers associated with each port. */
 #define HV_PORT_MESSAGE_BUFFER_COUNT	(16)

 /* Define the synthetic interrupt message page layout. */
 struct hv_message_page {
 	struct hv_message SintMessage[HV_SYNIC_SINT_COUNT];
 };

 /* Define the synthetic interrupt controller event flags format. */
 union hv_synic_event_flags {
 	u8 Flags8[HV_EVENT_FLAGS_BYTE_COUNT];
 	u32 Flags32[HV_EVENT_FLAGS_DWORD_COUNT];
 };

 /* Define the synthetic interrupt flags page layout. */
 struct hv_synic_event_flags_page {
 	union hv_synic_event_flags SintEventFlags[HV_SYNIC_SINT_COUNT];
 };

 /* Define SynIC control register. */
 union hv_synic_scontrol {
 	u64 AsUINT64;
 	struct {
 		u64 Enable:1;
 		u64 Reserved:63;
 	};
 };

 /* Define synthetic interrupt source. */
 union hv_synic_sint {
 	u64 AsUINT64;
 	struct {
 		u64 Vector:8;
 		u64 Reserved1:8;
 		u64 Masked:1;
 		u64 AutoEoi:1;
 		u64 Reserved2:46;
 	};
 };

 /* Define the format of the SIMP register */
 union hv_synic_simp {
 	u64 AsUINT64;
 	struct {
 		u64 SimpEnabled:1;
 		u64 Preserved:11;
 		u64 BaseSimpGpa:52;
 	};
 };

 /* Define the format of the SIEFP register */
 union hv_synic_siefp {
 	u64 AsUINT64;
 	struct {
 		u64 SiefpEnabled:1;
 		u64 Preserved:11;
 		u64 BaseSiefpGpa:52;
 	};
 };

 /* Definitions for the monitored notification facility */
 union hv_monitor_trigger_group {
 	u64 AsUINT64;
 	struct {
 		u32 Pending;
 		u32 Armed;
 	};
 };

 struct hv_monitor_parameter {
 	union hv_connection_id ConnectionId;
 	u16 FlagNumber;
 	u16 RsvdZ;
 };

 union hv_monitor_trigger_state {
 	u32 Asu32;

 	struct {
 		u32 GroupEnable:4;
 		u32 RsvdZ:28;
 	};
 };

 /* struct hv_monitor_page Layout */
 /* ------------------------------------------------------ */
 /* | 0   | TriggerState (4 bytes) | Rsvd1 (4 bytes)     | */
 /* | 8   | TriggerGroup[0]                              | */
 /* | 10  | TriggerGroup[1]                              | */
 /* | 18  | TriggerGroup[2]                              | */
 /* | 20  | TriggerGroup[3]                              | */
 /* | 28  | Rsvd2[0]                                     | */
 /* | 30  | Rsvd2[1]                                     | */
 /* | 38  | Rsvd2[2]                                     | */
 /* | 40  | NextCheckTime[0][0]    | NextCheckTime[0][1] | */
 /* | ...                                                | */
 /* | 240 | Latency[0][0..3]                             | */
 /* | 340 | Rsvz3[0]                                     | */
 /* | 440 | Parameter[0][0]                              | */
 /* | 448 | Parameter[0][1]                              | */
 /* | ...                                                | */
 /* | 840 | Rsvd4[0]                                     | */
 /* ------------------------------------------------------ */
 struct hv_monitor_page {
 	union hv_monitor_trigger_state TriggerState;
 	u32 RsvdZ1;

 	union hv_monitor_trigger_group TriggerGroup[4];
 	u64 RsvdZ2[3];

 	s32 NextCheckTime[4][32];

 	u16 Latency[4][32];
 	u64 RsvdZ3[32];

 	struct hv_monitor_parameter Parameter[4][32];

 	u8 RsvdZ4[1984];
 };

 /* Declare the various hypercall operations. */
 enum hv_call_code {
 	HvCallPostMessage	= 0x005c,
 	HvCallSignalEvent	= 0x005d,
 };

 /* Definition of the HvPostMessage hypercall input structure. */
 struct hv_input_post_message {
 	union hv_connection_id ConnectionId;
 	u32 Reserved;
 	enum hv_message_type MessageType;
 	u32 PayloadSize;
 	u64 Payload[HV_MESSAGE_PAYLOAD_QWORD_COUNT];
 };

 /* Definition of the HvSignalEvent hypercall input structure. */
 struct hv_input_signal_event {
 	union hv_connection_id ConnectionId;
 	u16 FlagNumber;
 	u16 RsvdZ;
 };

 /*
  * Versioning definitions used for guests reporting themselves to the
  * hypervisor, and visa versa.
  */

 /* Version info reported by guest OS's */
 enum hv_guest_os_vendor {
 	HvGuestOsVendorMicrosoft	= 0x0001
 };

 enum hv_guest_os_microsoft_ids {
 	HvGuestOsMicrosoftUndefined	= 0x00,
 	HvGuestOsMicrosoftMSDOS		= 0x01,
 	HvGuestOsMicrosoftWindows3x	= 0x02,
 	HvGuestOsMicrosoftWindows9x	= 0x03,
 	HvGuestOsMicrosoftWindowsNT	= 0x04,
 	HvGuestOsMicrosoftWindowsCE	= 0x05
 };

 /*
  * Declare the MSR used to identify the guest OS.
  */
 #define HV_X64_MSR_GUEST_OS_ID	0x40000000

 union hv_x64_msr_guest_os_id_contents {
 	u64 AsUINT64;
 	struct {
 		u64 BuildNumber:16;
 		u64 ServiceVersion:8; /* Service Pack, etc. */
 		u64 MinorVersion:8;
 		u64 MajorVersion:8;
 		u64 OsId:8; /* enum hv_guest_os_microsoft_ids (if Vendor=MS) */
 		u64 VendorId:16; /* enum hv_guest_os_vendor */
 	};
 };

 /*
  * Declare the MSR used to setup pages used to communicate with the hypervisor.
  */
 #define HV_X64_MSR_HYPERCALL	0x40000001

 union hv_x64_msr_hypercall_contents {
 	u64 AsUINT64;
 	struct {
 		u64 Enable:1;
 		u64 Reserved:11;
 		u64 GuestPhysicalAddress:52;
 	};
 };

 #endif
	/*
	*
	* Copyright (c) 2009, Microsoft Corporation.
	*
	* This program is free software; you can redistribute it and/or modify it
	* under the terms and conditions of the GNU General Public License,
	* version 2, as published by the Free Software Foundation.
	*
	* This program is distributed in the hope it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	* more details.
	*
	* You should have received a copy of the GNU General Public License along with
	* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
	* Place - Suite 330, Boston, MA 02111-1307 USA.
	*
	* Authors:
	* Haiyang Zhang <haiyangz@microsoft.com>
	* Hank Janssen <hjanssen@microsoft.com>
	*
	*/
	#ifndef __HV_API_H
	#define __HV_API_H

	/*
	* The below CPUID leaves are present if VersionAndFeatures.HypervisorPresent
	* is set by CPUID(HvCpuIdFunctionVersionAndFeatures).
	*/
	enum hv_cpuid_function {
	HvCpuIdFunctionVersionAndFeatures = 0x00000001,
	HvCpuIdFunctionHvVendorAndMaxFunction = 0x40000000,
	HvCpuIdFunctionHvInterface = 0x40000001,

	/*
	* The remaining functions depend on the value of
	* HvCpuIdFunctionInterface
	*/
	HvCpuIdFunctionMsHvVersion = 0x40000002,
	HvCpuIdFunctionMsHvFeatures = 0x40000003,
	HvCpuIdFunctionMsHvEnlightenmentInformation = 0x40000004,
	HvCpuIdFunctionMsHvImplementationLimits = 0x40000005,
	};

	/* 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 version of the synthetic interrupt controller. */
	#define HV_SYNIC_VERSION (1)

	/* 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 the expected SynIC version. */
	#define HV_SYNIC_VERSION_1 (0x1)

	/* 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 HV_ANY_VP (0xFFFFFFFF)

	/* Define synthetic interrupt controller flag constants. */
	#define HV_EVENT_FLAGS_COUNT (256 * 8)
	#define HV_EVENT_FLAGS_BYTE_COUNT (256)
	#define HV_EVENT_FLAGS_DWORD_COUNT (256 / sizeof(u32))

	/* Define hypervisor message types. */
	enum hv_message_type {
	HvMessageTypeNone = 0x00000000,

	/* Memory access messages. */
	HvMessageTypeUnmappedGpa = 0x80000000,
	HvMessageTypeGpaIntercept = 0x80000001,

	/* Timer notification messages. */
	HvMessageTimerExpired = 0x80000010,

	/* Error messages. */
	HvMessageTypeInvalidVpRegisterValue = 0x80000020,
	HvMessageTypeUnrecoverableException = 0x80000021,
	HvMessageTypeUnsupportedFeature = 0x80000022,

	/* Trace buffer complete messages. */
	HvMessageTypeEventLogBufferComplete = 0x80000040,

	/* Platform-specific processor intercept messages. */
	HvMessageTypeX64IoPortIntercept = 0x80010000,
	HvMessageTypeX64MsrIntercept = 0x80010001,
	HvMessageTypeX64CpuidIntercept = 0x80010002,
	HvMessageTypeX64ExceptionIntercept = 0x80010003,
	HvMessageTypeX64ApicEoi = 0x80010004,
	HvMessageTypeX64LegacyFpError = 0x80010005
	};

	/* Define the number of synthetic interrupt sources. */
	#define HV_SYNIC_SINT_COUNT (16)
	#define HV_SYNIC_STIMER_COUNT (4)

	/* Define invalid partition identifier. */
	#define HV_PARTITION_ID_INVALID ((u64)0x0)

	/* Define connection identifier type. */
	union hv_connection_id {
	u32 Asu32;
	struct {
	u32 Id:24;
	u32 Reserved:8;
	} u;
	};

	/* Define port identifier type. */
	union hv_port_id {
	u32 Asu32;
	struct {
	u32 Id:24;
	u32 Reserved:8;
	} u ;
	};

	/* Define port type. */
	enum hv_port_type {
	HvPortTypeMessage = 1,
	HvPortTypeEvent = 2,
	HvPortTypeMonitor = 3
	};

	/* Define port information structure. */
	struct hv_port_info {
	enum hv_port_type PortType;
	u32 Padding;
	union {
	struct {
	u32 TargetSint;
	u32 TargetVp;
	u64 RsvdZ;
	} MessagePortInfo;
	struct {
	u32 TargetSint;
	u32 TargetVp;
	u16 BaseFlagNumber;
	u16 FlagCount;
	u32 RsvdZ;
	} EventPortInfo;
	struct {
	u64 MonitorAddress;
	u64 RsvdZ;
	} MonitorPortInfo;
	};
	};

	struct hv_connection_info {
	enum hv_port_type PortType;
	u32 Padding;
	union {
	struct {
	u64 RsvdZ;
	} MessageConnectionInfo;
	struct {
	u64 RsvdZ;
	} EventConnectionInfo;
	struct {
	u64 MonitorAddress;
	} MonitorConnectionInfo;
	};
	};

	/* Define synthetic interrupt controller message flags. */
	union hv_message_flags {
	u8 Asu8;
	struct {
	u8 MessagePending:1;
	u8 Reserved:7;
	};
	};

	/* Define synthetic interrupt controller message header. */
	struct hv_message_header {
	enum hv_message_type MessageType;
	u8 PayloadSize;
	union hv_message_flags MessageFlags;
	u8 Reserved[2];
	union {
	u64 Sender;
	union hv_port_id Port;
	};
	};

	/* Define timer message payload structure. */
	struct hv_timer_message_payload {
	u32 TimerIndex;
	u32 Reserved;
	u64 ExpirationTime; /* When the timer expired */
	u64 DeliveryTime; /* When the message was delivered */
	};

	/* 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 number of message buffers associated with each port. */
	#define HV_PORT_MESSAGE_BUFFER_COUNT (16)

	/* Define the synthetic interrupt message page layout. */
	struct hv_message_page {
	struct hv_message SintMessage[HV_SYNIC_SINT_COUNT];
	};

	/* Define the synthetic interrupt controller event flags format. */
	union hv_synic_event_flags {
	u8 Flags8[HV_EVENT_FLAGS_BYTE_COUNT];
	u32 Flags32[HV_EVENT_FLAGS_DWORD_COUNT];
	};

	/* Define the synthetic interrupt flags page layout. */
	struct hv_synic_event_flags_page {
	union hv_synic_event_flags SintEventFlags[HV_SYNIC_SINT_COUNT];
	};

	/* Define SynIC control register. */
	union hv_synic_scontrol {
	u64 AsUINT64;
	struct {
	u64 Enable:1;
	u64 Reserved:63;
	};
	};

	/* Define synthetic interrupt source. */
	union hv_synic_sint {
	u64 AsUINT64;
	struct {
	u64 Vector:8;
	u64 Reserved1:8;
	u64 Masked:1;
	u64 AutoEoi:1;
	u64 Reserved2:46;
	};
	};

	/* Define the format of the SIMP register */
	union hv_synic_simp {
	u64 AsUINT64;
	struct {
	u64 SimpEnabled:1;
	u64 Preserved:11;
	u64 BaseSimpGpa:52;
	};
	};

	/* Define the format of the SIEFP register */
	union hv_synic_siefp {
	u64 AsUINT64;
	struct {
	u64 SiefpEnabled:1;
	u64 Preserved:11;
	u64 BaseSiefpGpa:52;
	};
	};

	/* Definitions for the monitored notification facility */
	union hv_monitor_trigger_group {
	u64 AsUINT64;
	struct {
	u32 Pending;
	u32 Armed;
	};
	};

	struct hv_monitor_parameter {
	union hv_connection_id ConnectionId;
	u16 FlagNumber;
	u16 RsvdZ;
	};

	union hv_monitor_trigger_state {
	u32 Asu32;

	struct {
	u32 GroupEnable:4;
	u32 RsvdZ:28;
	};
	};

	/* struct hv_monitor_page Layout */
	/* ------------------------------------------------------ */
	/* \| 0 \| TriggerState (4 bytes) \| Rsvd1 (4 bytes) \| */
	/* \| 8 \| TriggerGroup[0] \| */
	/* \| 10 \| TriggerGroup[1] \| */
	/* \| 18 \| TriggerGroup[2] \| */
	/* \| 20 \| TriggerGroup[3] \| */
	/* \| 28 \| Rsvd2[0] \| */
	/* \| 30 \| Rsvd2[1] \| */
	/* \| 38 \| Rsvd2[2] \| */
	/* \| 40 \| NextCheckTime[0][0] \| NextCheckTime[0][1] \| */
	/* \| ... \| */
	/* \| 240 \| Latency[0][0..3] \| */
	/* \| 340 \| Rsvz3[0] \| */
	/* \| 440 \| Parameter[0][0] \| */
	/* \| 448 \| Parameter[0][1] \| */
	/* \| ... \| */
	/* \| 840 \| Rsvd4[0] \| */
	/* ------------------------------------------------------ */
	struct hv_monitor_page {
	union hv_monitor_trigger_state TriggerState;
	u32 RsvdZ1;

	union hv_monitor_trigger_group TriggerGroup[4];
	u64 RsvdZ2[3];

	s32 NextCheckTime[4][32];

	u16 Latency[4][32];
	u64 RsvdZ3[32];

	struct hv_monitor_parameter Parameter[4][32];

	u8 RsvdZ4[1984];
	};

	/* Declare the various hypercall operations. */
	enum hv_call_code {
	HvCallPostMessage = 0x005c,
	HvCallSignalEvent = 0x005d,
	};

	/* Definition of the HvPostMessage hypercall input structure. */
	struct hv_input_post_message {
	union hv_connection_id ConnectionId;
	u32 Reserved;
	enum hv_message_type MessageType;
	u32 PayloadSize;
	u64 Payload[HV_MESSAGE_PAYLOAD_QWORD_COUNT];
	};

	/* Definition of the HvSignalEvent hypercall input structure. */
	struct hv_input_signal_event {
	union hv_connection_id ConnectionId;
	u16 FlagNumber;
	u16 RsvdZ;
	};

	/*
	* Versioning definitions used for guests reporting themselves to the
	* hypervisor, and visa versa.
	*/

	/* Version info reported by guest OS's */
	enum hv_guest_os_vendor {
	HvGuestOsVendorMicrosoft = 0x0001
	};

	enum hv_guest_os_microsoft_ids {
	HvGuestOsMicrosoftUndefined = 0x00,
	HvGuestOsMicrosoftMSDOS = 0x01,
	HvGuestOsMicrosoftWindows3x = 0x02,
	HvGuestOsMicrosoftWindows9x = 0x03,
	HvGuestOsMicrosoftWindowsNT = 0x04,
	HvGuestOsMicrosoftWindowsCE = 0x05
	};

	/*
	* Declare the MSR used to identify the guest OS.
	*/
	#define HV_X64_MSR_GUEST_OS_ID 0x40000000

	union hv_x64_msr_guest_os_id_contents {
	u64 AsUINT64;
	struct {
	u64 BuildNumber:16;
	u64 ServiceVersion:8; /* Service Pack, etc. */
	u64 MinorVersion:8;
	u64 MajorVersion:8;
	u64 OsId:8; /* enum hv_guest_os_microsoft_ids (if Vendor=MS) */
	u64 VendorId:16; /* enum hv_guest_os_vendor */
	};
	};

	/*
	* Declare the MSR used to setup pages used to communicate with the hypervisor.
	*/
	#define HV_X64_MSR_HYPERCALL 0x40000001

	union hv_x64_msr_hypercall_contents {
	u64 AsUINT64;
	struct {
	u64 Enable:1;
	u64 Reserved:11;
	u64 GuestPhysicalAddress:52;
	};
	};

	#endif