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183 lines
4.8 KiB
C
183 lines
4.8 KiB
C
/*
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* Definitions for Hyper-V guest/hypervisor interaction
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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_HYPERV_PROTO_H
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#define HW_HYPERV_HYPERV_PROTO_H
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#include "qemu/bitmap.h"
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/*
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* Hypercall status code
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*/
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#define HV_STATUS_SUCCESS 0
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#define HV_STATUS_INVALID_HYPERCALL_CODE 2
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#define HV_STATUS_INVALID_HYPERCALL_INPUT 3
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#define HV_STATUS_INVALID_ALIGNMENT 4
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#define HV_STATUS_INVALID_PARAMETER 5
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#define HV_STATUS_INSUFFICIENT_MEMORY 11
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#define HV_STATUS_INVALID_PORT_ID 17
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#define HV_STATUS_INVALID_CONNECTION_ID 18
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#define HV_STATUS_INSUFFICIENT_BUFFERS 19
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#define HV_STATUS_NOT_ACKNOWLEDGED 20
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#define HV_STATUS_NO_DATA 27
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/*
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* Hypercall numbers
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*/
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#define HV_POST_MESSAGE 0x005c
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#define HV_SIGNAL_EVENT 0x005d
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#define HV_POST_DEBUG_DATA 0x0069
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#define HV_RETRIEVE_DEBUG_DATA 0x006a
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#define HV_RESET_DEBUG_SESSION 0x006b
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#define HV_HYPERCALL_FAST (1u << 16)
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/*
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* Message size
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*/
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#define HV_MESSAGE_PAYLOAD_SIZE 240
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/*
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* Message types
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*/
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#define HV_MESSAGE_NONE 0x00000000
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#define HV_MESSAGE_VMBUS 0x00000001
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#define HV_MESSAGE_UNMAPPED_GPA 0x80000000
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#define HV_MESSAGE_GPA_INTERCEPT 0x80000001
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#define HV_MESSAGE_TIMER_EXPIRED 0x80000010
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#define HV_MESSAGE_INVALID_VP_REGISTER_VALUE 0x80000020
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#define HV_MESSAGE_UNRECOVERABLE_EXCEPTION 0x80000021
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#define HV_MESSAGE_UNSUPPORTED_FEATURE 0x80000022
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#define HV_MESSAGE_EVENTLOG_BUFFERCOMPLETE 0x80000040
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#define HV_MESSAGE_X64_IOPORT_INTERCEPT 0x80010000
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#define HV_MESSAGE_X64_MSR_INTERCEPT 0x80010001
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#define HV_MESSAGE_X64_CPUID_INTERCEPT 0x80010002
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#define HV_MESSAGE_X64_EXCEPTION_INTERCEPT 0x80010003
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#define HV_MESSAGE_X64_APIC_EOI 0x80010004
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#define HV_MESSAGE_X64_LEGACY_FP_ERROR 0x80010005
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/*
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* Message flags
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*/
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#define HV_MESSAGE_FLAG_PENDING 0x1
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/*
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* Number of synthetic interrupts
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*/
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#define HV_SINT_COUNT 16
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/*
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* Event flags number per SINT
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*/
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#define HV_EVENT_FLAGS_COUNT (256 * 8)
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/*
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* Connection id valid bits
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*/
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#define HV_CONNECTION_ID_MASK 0x00ffffff
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/*
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* Input structure for POST_MESSAGE hypercall
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*/
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struct hyperv_post_message_input {
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uint32_t connection_id;
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uint32_t _reserved;
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uint32_t message_type;
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uint32_t payload_size;
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uint8_t payload[HV_MESSAGE_PAYLOAD_SIZE];
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};
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/*
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* Input structure for SIGNAL_EVENT hypercall
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*/
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struct hyperv_signal_event_input {
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uint32_t connection_id;
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uint16_t flag_number;
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uint16_t _reserved_zero;
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};
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/*
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* SynIC message structures
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*/
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struct hyperv_message_header {
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uint32_t message_type;
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uint8_t payload_size;
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uint8_t message_flags; /* HV_MESSAGE_FLAG_XX */
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uint8_t _reserved[2];
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uint64_t sender;
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};
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struct hyperv_message {
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struct hyperv_message_header header;
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uint8_t payload[HV_MESSAGE_PAYLOAD_SIZE];
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};
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struct hyperv_message_page {
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struct hyperv_message slot[HV_SINT_COUNT];
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};
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/*
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* SynIC event flags structures
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*/
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struct hyperv_event_flags {
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DECLARE_BITMAP(flags, HV_EVENT_FLAGS_COUNT);
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};
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struct hyperv_event_flags_page {
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struct hyperv_event_flags slot[HV_SINT_COUNT];
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};
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/*
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* Kernel debugger structures
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*/
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/* Options flags for hyperv_reset_debug_session */
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#define HV_DEBUG_PURGE_INCOMING_DATA 0x00000001
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#define HV_DEBUG_PURGE_OUTGOING_DATA 0x00000002
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struct hyperv_reset_debug_session_input {
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uint32_t options;
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} __attribute__ ((__packed__));
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struct hyperv_reset_debug_session_output {
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uint32_t host_ip;
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uint32_t target_ip;
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uint16_t host_port;
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uint16_t target_port;
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uint8_t host_mac[6];
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uint8_t target_mac[6];
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} __attribute__ ((__packed__));
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/* Options for hyperv_post_debug_data */
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#define HV_DEBUG_POST_LOOP 0x00000001
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struct hyperv_post_debug_data_input {
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uint32_t count;
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uint32_t options;
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/*uint8_t data[HV_HYP_PAGE_SIZE - 2 * sizeof(uint32_t)];*/
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} __attribute__ ((__packed__));
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struct hyperv_post_debug_data_output {
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uint32_t pending_count;
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} __attribute__ ((__packed__));
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/* Options for hyperv_retrieve_debug_data */
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#define HV_DEBUG_RETRIEVE_LOOP 0x00000001
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#define HV_DEBUG_RETRIEVE_TEST_ACTIVITY 0x00000002
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struct hyperv_retrieve_debug_data_input {
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uint32_t count;
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uint32_t options;
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uint64_t timeout;
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} __attribute__ ((__packed__));
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struct hyperv_retrieve_debug_data_output {
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uint32_t retrieved_count;
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uint32_t remaining_count;
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} __attribute__ ((__packed__));
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#endif
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