#include <linux/list.h>
#include <asm/sync_bitops.h>
#include <linux/atomic.h>
#include <linux/hyperv.h>

Data Structures
union	hv_connection_id

union	hv_port_id

struct	hv_port_info

struct	hv_connection_info

union	hv_message_flags

struct	hv_message_header

struct	hv_timer_message_payload

struct	hv_message

struct	hv_message_page

union	hv_synic_event_flags

struct	hv_synic_event_flags_page

union	hv_synic_scontrol

union	hv_synic_sint

union	hv_synic_simp

union	hv_synic_siefp

union	hv_monitor_trigger_group

struct	hv_monitor_parameter

union	hv_monitor_trigger_state

struct	hv_monitor_page

struct	hv_input_post_message

struct	hv_input_signal_event

union	hv_x64_msr_guest_os_id_contents

union	hv_x64_msr_hypercall_contents

struct	hv_input_signal_event_buffer

struct	hv_context

struct	vmbus_connection

struct	vmbus_msginfo

Macros
#define	HV_SYNIC_VERSION (1)

#define	HV_SYNIC_VERSION_1 (0x1)

#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	HV_EVENT_FLAGS_COUNT (256 * 8)

#define	HV_EVENT_FLAGS_BYTE_COUNT (256)

#define	HV_EVENT_FLAGS_DWORD_COUNT (256 / sizeof(u32))

#define	HV_SYNIC_SINT_COUNT (16)

#define	HV_SYNIC_STIMER_COUNT (4)

#define	HV_PARTITION_ID_INVALID ((u64)0x0)

#define	HV_PORT_MESSAGE_BUFFER_COUNT (16)

#define	HV_X64_MSR_GUEST_OS_ID 0x40000000

#define	HV_X64_MSR_HYPERCALL 0x40000001

#define	HV_PRESENT_BIT 0x80000000

#define	HV_LINUX_VENDOR_ID 0x8100

#define	HV_CPU_POWER_MANAGEMENT (1 << 0)

#define	HV_RECOMMENDATIONS_MAX 4

#define	HV_X64_MAX 5

#define	HV_CAPS_MAX 8

#define	HV_HYPERCALL_PARAM_ALIGN sizeof(u64)

#define	HV_SERVICE_PARENT_PORT (0)

#define	HV_SERVICE_PARENT_CONNECTION (0)

#define	HV_SERVICE_CONNECT_RESPONSE_SUCCESS (0)

#define	HV_SERVICE_CONNECT_RESPONSE_INVALID_PARAMETER (1)

#define	HV_SERVICE_CONNECT_RESPONSE_UNKNOWN_SERVICE (2)

#define	HV_SERVICE_CONNECT_RESPONSE_CONNECTION_REJECTED (3)

#define	HV_SERVICE_CONNECT_REQUEST_MESSAGE_ID (1)

#define	HV_SERVICE_CONNECT_RESPONSE_MESSAGE_ID (2)

#define	HV_SERVICE_DISCONNECT_REQUEST_MESSAGE_ID (3)

#define	HV_SERVICE_DISCONNECT_RESPONSE_MESSAGE_ID (4)

#define	HV_SERVICE_MAX_MESSAGE_ID (4)

#define	HV_SERVICE_PROTOCOL_VERSION (0x0010)

#define	HV_CONNECT_PAYLOAD_BYTE_COUNT 64

#define	MAX_NUM_CHANNELS ((PAGE_SIZE >> 1) << 3) /* 16348 channels */

#define	MAX_NUM_CHANNELS_SUPPORTED 256

#define	MAX_SIZE_CHANNEL_MESSAGE HV_MESSAGE_PAYLOAD_BYTE_COUNT

Enumerations
enum	hv_cpuid_function { HVCPUID_VERSION_FEATURES = 0x00000001, HVCPUID_VENDOR_MAXFUNCTION = 0x40000000, HVCPUID_INTERFACE = 0x40000001, HVCPUID_VERSION = 0x40000002, HVCPUID_FEATURES = 0x40000003, HVCPUID_ENLIGHTENMENT_INFO = 0x40000004, HVCPUID_IMPLEMENTATION_LIMITS = 0x40000005 }

enum	hv_message_type { HVMSG_NONE = 0x00000000, HVMSG_UNMAPPED_GPA = 0x80000000, HVMSG_GPA_INTERCEPT = 0x80000001, HVMSG_TIMER_EXPIRED = 0x80000010, HVMSG_INVALID_VP_REGISTER_VALUE = 0x80000020, HVMSG_UNRECOVERABLE_EXCEPTION = 0x80000021, HVMSG_UNSUPPORTED_FEATURE = 0x80000022, HVMSG_EVENTLOG_BUFFERCOMPLETE = 0x80000040, 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 }

enum	hv_port_type { HVPORT_MSG = 1, HVPORT_EVENT = 2, HVPORT_MONITOR = 3 }

enum	hv_call_code { HVCALL_POST_MESSAGE = 0x005c, HVCALL_SIGNAL_EVENT = 0x005d }

enum	hv_guest_os_vendor { HVGUESTOS_VENDOR_MICROSOFT = 0x0001 }

enum	hv_guest_os_microsoft_ids { HVGUESTOS_MICROSOFT_UNDEFINED = 0x00, HVGUESTOS_MICROSOFT_MSDOS = 0x01, HVGUESTOS_MICROSOFT_WINDOWS3X = 0x02, HVGUESTOS_MICROSOFT_WINDOWS9X = 0x03, HVGUESTOS_MICROSOFT_WINDOWSNT = 0x04, HVGUESTOS_MICROSOFT_WINDOWSCE = 0x05 }

enum	{ VMBUS_MESSAGE_CONNECTION_ID = 1, VMBUS_MESSAGE_PORT_ID = 1, VMBUS_EVENT_CONNECTION_ID = 2, VMBUS_EVENT_PORT_ID = 2, VMBUS_MONITOR_CONNECTION_ID = 3, VMBUS_MONITOR_PORT_ID = 3, VMBUS_MESSAGE_SINT = 2 }

enum	vmbus_connect_state { DISCONNECTED, CONNECTING, CONNECTED, DISCONNECTING }

Functions
int	hv_init (void)

void	hv_cleanup (void)

int	hv_post_message (union hv_connection_id connection_id, enum hv_message_type message_type, void *payload, size_t payload_size)

u16	hv_signal_event (void)

void	hv_synic_init (void *irqarg)

void	hv_synic_cleanup (void *arg)

int	hv_ringbuffer_init (struct hv_ring_buffer_info ring_info, void buffer, u32 buflen)

void	hv_ringbuffer_cleanup (struct hv_ring_buffer_info *ring_info)

int	hv_ringbuffer_write (struct hv_ring_buffer_info ring_info, struct scatterlist sglist, u32 sgcount)

int	hv_ringbuffer_peek (struct hv_ring_buffer_info ring_info, void buffer, u32 buflen)

int	hv_ringbuffer_read (struct hv_ring_buffer_info ring_info, void buffer, u32 buflen, u32 offset)

u32	hv_get_ringbuffer_interrupt_mask (struct hv_ring_buffer_info *ring_info)

void	hv_ringbuffer_get_debuginfo (struct hv_ring_buffer_info ring_info, struct hv_ring_buffer_debug_info debug_info)

struct hv_device *	vmbus_device_create (uuid_le type, uuid_le instance, struct vmbus_channel *channel)

int	vmbus_device_register (struct hv_device *child_device_obj)

void	vmbus_device_unregister (struct hv_device *device_obj)

struct vmbus_channel *	relid2channel (u32 relid)

void	vmbus_free_channels (void)

int	vmbus_connect (void)

int	vmbus_post_msg (void *buffer, size_t buflen)

int	vmbus_set_event (u32 child_relid)

void	vmbus_on_event (unsigned long data)

Variables
struct hv_context	hv_context

struct vmbus_connection	vmbus_connection

Macro Definition Documentation

#define HV_ANY_VP (0xFFFFFFFF)

Definition at line 62 of file hyperv_vmbus.h.

#define HV_CAPS_MAX 8

Definition at line 461 of file hyperv_vmbus.h.

#define HV_CONNECT_PAYLOAD_BYTE_COUNT 64

Definition at line 484 of file hyperv_vmbus.h.

#define HV_CPU_POWER_MANAGEMENT (1 << 0)

Definition at line 457 of file hyperv_vmbus.h.

#define HV_EVENT_FLAGS_BYTE_COUNT (256)

Definition at line 66 of file hyperv_vmbus.h.

#define HV_EVENT_FLAGS_COUNT (256 * 8)

Definition at line 65 of file hyperv_vmbus.h.

#define HV_EVENT_FLAGS_DWORD_COUNT (256 / sizeof(u32))

Definition at line 67 of file hyperv_vmbus.h.

#define HV_HYPERCALL_PARAM_ALIGN sizeof(u64)

Definition at line 464 of file hyperv_vmbus.h.

#define HV_LINUX_VENDOR_ID 0x8100

Definition at line 437 of file hyperv_vmbus.h.

#define HV_MESSAGE_PAYLOAD_BYTE_COUNT (240)

Definition at line 60 of file hyperv_vmbus.h.

#define HV_MESSAGE_PAYLOAD_QWORD_COUNT (30)

Definition at line 61 of file hyperv_vmbus.h.

#define HV_MESSAGE_SIZE (256)

Definition at line 59 of file hyperv_vmbus.h.

#define HV_PARTITION_ID_INVALID ((u64)0x0)

Definition at line 102 of file hyperv_vmbus.h.

#define HV_PORT_MESSAGE_BUFFER_COUNT (16)

Definition at line 207 of file hyperv_vmbus.h.

#define HV_PRESENT_BIT 0x80000000

Definition at line 411 of file hyperv_vmbus.h.

#define HV_RECOMMENDATIONS_MAX 4

Definition at line 458 of file hyperv_vmbus.h.

#define HV_SERVICE_CONNECT_REQUEST_MESSAGE_ID (1)

Definition at line 477 of file hyperv_vmbus.h.

#define HV_SERVICE_CONNECT_RESPONSE_CONNECTION_REJECTED (3)

Definition at line 475 of file hyperv_vmbus.h.

#define HV_SERVICE_CONNECT_RESPONSE_INVALID_PARAMETER (1)

Definition at line 473 of file hyperv_vmbus.h.

#define HV_SERVICE_CONNECT_RESPONSE_MESSAGE_ID (2)

Definition at line 478 of file hyperv_vmbus.h.

#define HV_SERVICE_CONNECT_RESPONSE_SUCCESS (0)

Definition at line 472 of file hyperv_vmbus.h.

#define HV_SERVICE_CONNECT_RESPONSE_UNKNOWN_SERVICE (2)

Definition at line 474 of file hyperv_vmbus.h.

#define HV_SERVICE_DISCONNECT_REQUEST_MESSAGE_ID (3)

Definition at line 479 of file hyperv_vmbus.h.

#define HV_SERVICE_DISCONNECT_RESPONSE_MESSAGE_ID (4)

Definition at line 480 of file hyperv_vmbus.h.

#define HV_SERVICE_MAX_MESSAGE_ID (4)

Definition at line 481 of file hyperv_vmbus.h.

#define HV_SERVICE_PARENT_CONNECTION (0)

Definition at line 470 of file hyperv_vmbus.h.

#define HV_SERVICE_PARENT_PORT (0)

Definition at line 469 of file hyperv_vmbus.h.

#define HV_SERVICE_PROTOCOL_VERSION (0x0010)

Definition at line 483 of file hyperv_vmbus.h.

#define HV_SYNIC_SINT_COUNT (16)

Definition at line 98 of file hyperv_vmbus.h.

#define HV_SYNIC_STIMER_COUNT (4)

Definition at line 99 of file hyperv_vmbus.h.

#define HV_SYNIC_VERSION (1)

Definition at line 53 of file hyperv_vmbus.h.

#define HV_SYNIC_VERSION_1 (0x1)

Definition at line 56 of file hyperv_vmbus.h.

#define HV_X64_MAX 5

Definition at line 460 of file hyperv_vmbus.h.

#define HV_X64_MSR_GUEST_OS_ID 0x40000000

Definition at line 370 of file hyperv_vmbus.h.

#define HV_X64_MSR_HYPERCALL 0x40000001

Definition at line 387 of file hyperv_vmbus.h.

#define MAX_NUM_CHANNELS ((PAGE_SIZE >> 1) << 3) /* 16348 channels */

Definition at line 578 of file hyperv_vmbus.h.

#define MAX_NUM_CHANNELS_SUPPORTED 256

Definition at line 582 of file hyperv_vmbus.h.

#define MAX_SIZE_CHANNEL_MESSAGE HV_MESSAGE_PAYLOAD_BYTE_COUNT

Definition at line 592 of file hyperv_vmbus.h.

Enumeration Type Documentation

anonymous enum

Enumerator:

VMBUS_MESSAGE_CONNECTION_ID
VMBUS_MESSAGE_PORT_ID
VMBUS_EVENT_CONNECTION_ID
VMBUS_EVENT_PORT_ID
VMBUS_MONITOR_CONNECTION_ID
VMBUS_MONITOR_PORT_ID
VMBUS_MESSAGE_SINT

Definition at line 399 of file hyperv_vmbus.h.

enum hv_call_code

Enumerator:

HVCALL_POST_MESSAGE
HVCALL_SIGNAL_EVENT

Definition at line 327 of file hyperv_vmbus.h.

enum hv_cpuid_function

Enumerator:

HVCPUID_VERSION_FEATURES
HVCPUID_VENDOR_MAXFUNCTION
HVCPUID_INTERFACE
HVCPUID_VERSION
HVCPUID_FEATURES
HVCPUID_ENLIGHTENMENT_INFO
HVCPUID_IMPLEMENTATION_LIMITS

Definition at line 37 of file hyperv_vmbus.h.

enum hv_guest_os_microsoft_ids

Enumerator:

HVGUESTOS_MICROSOFT_UNDEFINED
HVGUESTOS_MICROSOFT_MSDOS
HVGUESTOS_MICROSOFT_WINDOWS3X
HVGUESTOS_MICROSOFT_WINDOWS9X
HVGUESTOS_MICROSOFT_WINDOWSNT
HVGUESTOS_MICROSOFT_WINDOWSCE

Definition at line 358 of file hyperv_vmbus.h.

enum hv_guest_os_vendor

Enumerator:

HVGUESTOS_VENDOR_MICROSOFT

Definition at line 354 of file hyperv_vmbus.h.

enum hv_message_type

Enumerator:

HVMSG_NONE
HVMSG_UNMAPPED_GPA
HVMSG_GPA_INTERCEPT
HVMSG_TIMER_EXPIRED
HVMSG_INVALID_VP_REGISTER_VALUE
HVMSG_UNRECOVERABLE_EXCEPTION
HVMSG_UNSUPPORTED_FEATURE
HVMSG_EVENTLOG_BUFFERCOMPLETE
HVMSG_X64_IOPORT_INTERCEPT
HVMSG_X64_MSR_INTERCEPT
HVMSG_X64_CPUID_INTERCEPT
HVMSG_X64_EXCEPTION_INTERCEPT
HVMSG_X64_APIC_EOI
HVMSG_X64_LEGACY_FP_ERROR

Definition at line 70 of file hyperv_vmbus.h.

enum hv_port_type

Enumerator:

HVPORT_MSG
HVPORT_EVENT
HVPORT_MONITOR

Definition at line 123 of file hyperv_vmbus.h.

enum vmbus_connect_state

Enumerator:

DISCONNECTED
CONNECTING
CONNECTED
DISCONNECTING

Definition at line 585 of file hyperv_vmbus.h.

Function Documentation

void hv_cleanup ( void )

Definition at line 209 of file hv.c.

u32 hv_get_ringbuffer_interrupt_mask ( struct hv_ring_buffer_info * ring_info )

Definition at line 250 of file ring_buffer.c.

int hv_init ( void )

Definition at line 131 of file hv.c.

int hv_post_message	(	union hv_connection_id	connection_id,
		enum hv_message_type	message_type,
		void *	payload,
		size_t	payload_size
	)

Definition at line 233 of file hv.c.

void hv_ringbuffer_cleanup ( struct hv_ring_buffer_info * ring_info )

Definition at line 289 of file ring_buffer.c.

void hv_ringbuffer_get_debuginfo	(	struct hv_ring_buffer_info *	ring_info,
		struct hv_ring_buffer_debug_info *	debug_info
	)

Definition at line 220 of file ring_buffer.c.

int hv_ringbuffer_init	(	struct hv_ring_buffer_info *	ring_info,
		void *	buffer,
		u32	buflen
	)

Definition at line 262 of file ring_buffer.c.

int hv_ringbuffer_peek	(	struct hv_ring_buffer_info *	ring_info,
		void *	buffer,
		u32	buflen
	)

Definition at line 373 of file ring_buffer.c.

int hv_ringbuffer_read	(	struct hv_ring_buffer_info *	ring_info,
		void *	buffer,
		u32	buflen,
		u32	offset
	)

Definition at line 416 of file ring_buffer.c.

int hv_ringbuffer_write	(	struct hv_ring_buffer_info *	ring_info,
		struct scatterlist *	sglist,
		u32	sgcount
	)

Definition at line 300 of file ring_buffer.c.

u16 hv_signal_event ( void )

Definition at line 276 of file hv.c.

void hv_synic_cleanup ( void * arg )

Definition at line 373 of file hv.c.

void hv_synic_init ( void * irqarg )

Definition at line 293 of file hv.c.

struct vmbus_channel* relid2channel ( u32 relid )

read

Definition at line 190 of file connection.c.

int vmbus_connect ( void )

Definition at line 45 of file connection.c.

struct hv_device* vmbus_device_create	(	uuid_le *	type,
		uuid_le *	instance,
		struct vmbus_channel *	channel
	)

read

Definition at line 604 of file vmbus_drv.c.

int vmbus_device_register ( struct hv_device * child_device_obj )

Definition at line 628 of file vmbus_drv.c.

void vmbus_device_unregister ( struct hv_device * device_obj )

Definition at line 660 of file vmbus_drv.c.

void vmbus_free_channels ( void )

Definition at line 172 of file channel_mgmt.c.

void vmbus_on_event ( unsigned long data )

Definition at line 248 of file connection.c.

int vmbus_post_msg	(	void *	buffer,
		size_t	buflen
	)

Definition at line 283 of file connection.c.

int vmbus_set_event ( u32 child_relid )

Definition at line 310 of file connection.c.

Variable Documentation

struct hv_context hv_context

Definition at line 34 of file hv.c.

struct vmbus_connection vmbus_connection

Definition at line 37 of file connection.c.

Data Structures

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation