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223 lines
6.8 KiB
C
223 lines
6.8 KiB
C
/*
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* QEMU Hyper-V VMBus support
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*
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* Copyright (c) 2017-2018 Virtuozzo International GmbH.
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#ifndef HW_HYPERV_VMBUS_PROTO_H
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#define HW_HYPERV_VMBUS_PROTO_H
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#define VMBUS_VERSION_WS2008 ((0 << 16) | (13))
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#define VMBUS_VERSION_WIN7 ((1 << 16) | (1))
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#define VMBUS_VERSION_WIN8 ((2 << 16) | (4))
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#define VMBUS_VERSION_WIN8_1 ((3 << 16) | (0))
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#define VMBUS_VERSION_WIN10 ((4 << 16) | (0))
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#define VMBUS_VERSION_INVAL -1
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#define VMBUS_VERSION_CURRENT VMBUS_VERSION_WIN10
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#define VMBUS_MESSAGE_CONNECTION_ID 1
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#define VMBUS_EVENT_CONNECTION_ID 2
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#define VMBUS_MONITOR_CONNECTION_ID 3
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#define VMBUS_SINT 2
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#define VMBUS_MSG_INVALID 0
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#define VMBUS_MSG_OFFERCHANNEL 1
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#define VMBUS_MSG_RESCIND_CHANNELOFFER 2
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#define VMBUS_MSG_REQUESTOFFERS 3
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#define VMBUS_MSG_ALLOFFERS_DELIVERED 4
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#define VMBUS_MSG_OPENCHANNEL 5
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#define VMBUS_MSG_OPENCHANNEL_RESULT 6
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#define VMBUS_MSG_CLOSECHANNEL 7
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#define VMBUS_MSG_GPADL_HEADER 8
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#define VMBUS_MSG_GPADL_BODY 9
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#define VMBUS_MSG_GPADL_CREATED 10
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#define VMBUS_MSG_GPADL_TEARDOWN 11
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#define VMBUS_MSG_GPADL_TORNDOWN 12
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#define VMBUS_MSG_RELID_RELEASED 13
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#define VMBUS_MSG_INITIATE_CONTACT 14
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#define VMBUS_MSG_VERSION_RESPONSE 15
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#define VMBUS_MSG_UNLOAD 16
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#define VMBUS_MSG_UNLOAD_RESPONSE 17
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#define VMBUS_MSG_COUNT 18
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#define VMBUS_MESSAGE_SIZE_ALIGN sizeof(uint64_t)
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#define VMBUS_PACKET_INVALID 0x0
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#define VMBUS_PACKET_SYNCH 0x1
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#define VMBUS_PACKET_ADD_XFER_PAGESET 0x2
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#define VMBUS_PACKET_RM_XFER_PAGESET 0x3
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#define VMBUS_PACKET_ESTABLISH_GPADL 0x4
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#define VMBUS_PACKET_TEARDOWN_GPADL 0x5
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#define VMBUS_PACKET_DATA_INBAND 0x6
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#define VMBUS_PACKET_DATA_USING_XFER_PAGES 0x7
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#define VMBUS_PACKET_DATA_USING_GPADL 0x8
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#define VMBUS_PACKET_DATA_USING_GPA_DIRECT 0x9
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#define VMBUS_PACKET_CANCEL_REQUEST 0xa
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#define VMBUS_PACKET_COMP 0xb
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#define VMBUS_PACKET_DATA_USING_ADDITIONAL_PKT 0xc
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#define VMBUS_PACKET_ADDITIONAL_DATA 0xd
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#define VMBUS_CHANNEL_USER_DATA_SIZE 120
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#define VMBUS_OFFER_MONITOR_ALLOCATED 0x1
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#define VMBUS_OFFER_INTERRUPT_DEDICATED 0x1
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#define VMBUS_RING_BUFFER_FEAT_PENDING_SZ (1ul << 0)
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#define VMBUS_CHANNEL_ENUMERATE_DEVICE_INTERFACE 0x1
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#define VMBUS_CHANNEL_SERVER_SUPPORTS_TRANSFER_PAGES 0x2
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#define VMBUS_CHANNEL_SERVER_SUPPORTS_GPADLS 0x4
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#define VMBUS_CHANNEL_NAMED_PIPE_MODE 0x10
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#define VMBUS_CHANNEL_LOOPBACK_OFFER 0x100
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#define VMBUS_CHANNEL_PARENT_OFFER 0x200
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#define VMBUS_CHANNEL_REQUEST_MONITORED_NOTIFICATION 0x400
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#define VMBUS_CHANNEL_TLNPI_PROVIDER_OFFER 0x2000
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#define VMBUS_PACKET_FLAG_REQUEST_COMPLETION 1
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typedef struct vmbus_message_header {
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uint32_t message_type;
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uint32_t _padding;
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} vmbus_message_header;
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typedef struct vmbus_message_initiate_contact {
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vmbus_message_header header;
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uint32_t version_requested;
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uint32_t target_vcpu;
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uint64_t interrupt_page;
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uint64_t monitor_page1;
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uint64_t monitor_page2;
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} vmbus_message_initiate_contact;
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typedef struct vmbus_message_version_response {
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vmbus_message_header header;
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uint8_t version_supported;
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uint8_t status;
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} vmbus_message_version_response;
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typedef struct vmbus_message_offer_channel {
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vmbus_message_header header;
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uint8_t type_uuid[16];
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uint8_t instance_uuid[16];
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uint64_t _reserved1;
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uint64_t _reserved2;
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uint16_t channel_flags;
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uint16_t mmio_size_mb;
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uint8_t user_data[VMBUS_CHANNEL_USER_DATA_SIZE];
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uint16_t sub_channel_index;
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uint16_t _reserved3;
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uint32_t child_relid;
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uint8_t monitor_id;
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uint8_t monitor_flags;
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uint16_t interrupt_flags;
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uint32_t connection_id;
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} vmbus_message_offer_channel;
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typedef struct vmbus_message_rescind_channel_offer {
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vmbus_message_header header;
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uint32_t child_relid;
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} vmbus_message_rescind_channel_offer;
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typedef struct vmbus_gpa_range {
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uint32_t byte_count;
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uint32_t byte_offset;
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uint64_t pfn_array[];
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} vmbus_gpa_range;
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typedef struct vmbus_message_gpadl_header {
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vmbus_message_header header;
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uint32_t child_relid;
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uint32_t gpadl_id;
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uint16_t range_buflen;
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uint16_t rangecount;
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vmbus_gpa_range range[];
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} QEMU_PACKED vmbus_message_gpadl_header;
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typedef struct vmbus_message_gpadl_body {
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vmbus_message_header header;
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uint32_t message_number;
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uint32_t gpadl_id;
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uint64_t pfn_array[];
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} vmbus_message_gpadl_body;
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typedef struct vmbus_message_gpadl_created {
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vmbus_message_header header;
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uint32_t child_relid;
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uint32_t gpadl_id;
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uint32_t status;
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} vmbus_message_gpadl_created;
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typedef struct vmbus_message_gpadl_teardown {
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vmbus_message_header header;
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uint32_t child_relid;
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uint32_t gpadl_id;
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} vmbus_message_gpadl_teardown;
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typedef struct vmbus_message_gpadl_torndown {
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vmbus_message_header header;
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uint32_t gpadl_id;
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} vmbus_message_gpadl_torndown;
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typedef struct vmbus_message_open_channel {
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vmbus_message_header header;
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uint32_t child_relid;
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uint32_t open_id;
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uint32_t ring_buffer_gpadl_id;
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uint32_t target_vp;
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uint32_t ring_buffer_offset;
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uint8_t user_data[VMBUS_CHANNEL_USER_DATA_SIZE];
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} vmbus_message_open_channel;
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typedef struct vmbus_message_open_result {
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vmbus_message_header header;
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uint32_t child_relid;
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uint32_t open_id;
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uint32_t status;
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} vmbus_message_open_result;
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typedef struct vmbus_message_close_channel {
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vmbus_message_header header;
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uint32_t child_relid;
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} vmbus_message_close_channel;
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typedef struct vmbus_ring_buffer {
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uint32_t write_index;
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uint32_t read_index;
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uint32_t interrupt_mask;
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uint32_t pending_send_sz;
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uint32_t _reserved1[12];
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uint32_t feature_bits;
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} vmbus_ring_buffer;
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typedef struct vmbus_packet_hdr {
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uint16_t type;
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uint16_t offset_qwords;
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uint16_t len_qwords;
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uint16_t flags;
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uint64_t transaction_id;
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} vmbus_packet_hdr;
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typedef struct vmbus_pkt_gpa_direct {
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uint32_t _reserved;
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uint32_t rangecount;
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vmbus_gpa_range range[];
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} vmbus_pkt_gpa_direct;
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typedef struct vmbus_xferpg_range {
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uint32_t byte_count;
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uint32_t byte_offset;
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} vmbus_xferpg_range;
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typedef struct vmbus_pkt_xferpg {
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uint16_t buffer_id;
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uint8_t sender_owns_set;
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uint8_t _reserved;
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uint32_t rangecount;
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vmbus_xferpg_range range[];
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} vmbus_pkt_xferpg;
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#endif
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