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/*
* Definitions for Hyper-V guest/hypervisor interaction
*
* Copyright (C) 2017 Parallels International GmbH
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef TARGET_I386_HYPERV_PROTO_H
#define TARGET_I386_HYPERV_PROTO_H
#include "qemu/bitmap.h"
#define HV_CPUID_VENDOR_AND_MAX_FUNCTIONS 0x40000000
#define HV_CPUID_INTERFACE 0x40000001
#define HV_CPUID_VERSION 0x40000002
#define HV_CPUID_FEATURES 0x40000003
#define HV_CPUID_ENLIGHTMENT_INFO 0x40000004
#define HV_CPUID_IMPLEMENT_LIMITS 0x40000005
#define HV_CPUID_MIN 0x40000005
#define HV_CPUID_MAX 0x4000ffff
#define HV_HYPERVISOR_PRESENT_BIT 0x80000000
/*
* HV_CPUID_FEATURES.EAX bits
*/
#define HV_VP_RUNTIME_AVAILABLE (1u << 0)
#define HV_TIME_REF_COUNT_AVAILABLE (1u << 1)
#define HV_SYNIC_AVAILABLE (1u << 2)
#define HV_SYNTIMERS_AVAILABLE (1u << 3)
#define HV_APIC_ACCESS_AVAILABLE (1u << 4)
#define HV_HYPERCALL_AVAILABLE (1u << 5)
#define HV_VP_INDEX_AVAILABLE (1u << 6)
#define HV_RESET_AVAILABLE (1u << 7)
#define HV_REFERENCE_TSC_AVAILABLE (1u << 9)
#define HV_ACCESS_FREQUENCY_MSRS (1u << 11)
#define HV_ACCESS_REENLIGHTENMENTS_CONTROL (1u << 13)
/*
* HV_CPUID_FEATURES.EDX bits
*/
#define HV_MWAIT_AVAILABLE (1u << 0)
#define HV_GUEST_DEBUGGING_AVAILABLE (1u << 1)
#define HV_PERF_MONITOR_AVAILABLE (1u << 2)
#define HV_CPU_DYNAMIC_PARTITIONING_AVAILABLE (1u << 3)
#define HV_HYPERCALL_PARAMS_XMM_AVAILABLE (1u << 4)
#define HV_GUEST_IDLE_STATE_AVAILABLE (1u << 5)
#define HV_FREQUENCY_MSRS_AVAILABLE (1u << 8)
#define HV_GUEST_CRASH_MSR_AVAILABLE (1u << 10)
/*
* HV_CPUID_ENLIGHTMENT_INFO.EAX bits
*/
#define HV_AS_SWITCH_RECOMMENDED (1u << 0)
#define HV_LOCAL_TLB_FLUSH_RECOMMENDED (1u << 1)
#define HV_REMOTE_TLB_FLUSH_RECOMMENDED (1u << 2)
#define HV_APIC_ACCESS_RECOMMENDED (1u << 3)
#define HV_SYSTEM_RESET_RECOMMENDED (1u << 4)
#define HV_RELAXED_TIMING_RECOMMENDED (1u << 5)
#define HV_EX_PROCESSOR_MASKS_RECOMMENDED (1u << 11)
/*
* Basic virtualized MSRs
*/
#define HV_X64_MSR_GUEST_OS_ID 0x40000000
#define HV_X64_MSR_HYPERCALL 0x40000001
#define HV_X64_MSR_VP_INDEX 0x40000002
#define HV_X64_MSR_RESET 0x40000003
#define HV_X64_MSR_VP_RUNTIME 0x40000010
#define HV_X64_MSR_TIME_REF_COUNT 0x40000020
#define HV_X64_MSR_REFERENCE_TSC 0x40000021
#define HV_X64_MSR_TSC_FREQUENCY 0x40000022
#define HV_X64_MSR_APIC_FREQUENCY 0x40000023
/*
* Virtual APIC MSRs
*/
#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
/*
* Synthetic interrupt controller MSRs
*/
#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
/*
* Synthetic timer MSRs
*/
#define HV_X64_MSR_STIMER0_CONFIG 0x400000B0
#define HV_X64_MSR_STIMER0_COUNT 0x400000B1
#define HV_X64_MSR_STIMER1_CONFIG 0x400000B2
#define HV_X64_MSR_STIMER1_COUNT 0x400000B3
#define HV_X64_MSR_STIMER2_CONFIG 0x400000B4
#define HV_X64_MSR_STIMER2_COUNT 0x400000B5
#define HV_X64_MSR_STIMER3_CONFIG 0x400000B6
#define HV_X64_MSR_STIMER3_COUNT 0x400000B7
/*
* Guest crash notification MSRs
*/
#define HV_X64_MSR_CRASH_P0 0x40000100
#define HV_X64_MSR_CRASH_P1 0x40000101
#define HV_X64_MSR_CRASH_P2 0x40000102
#define HV_X64_MSR_CRASH_P3 0x40000103
#define HV_X64_MSR_CRASH_P4 0x40000104
#define HV_CRASH_PARAMS (HV_X64_MSR_CRASH_P4 - HV_X64_MSR_CRASH_P0 + 1)
#define HV_X64_MSR_CRASH_CTL 0x40000105
#define HV_CRASH_CTL_NOTIFY (1ull << 63)
/*
* Reenlightenment notification MSRs
*/
#define HV_X64_MSR_REENLIGHTENMENT_CONTROL 0x40000106
#define HV_X64_MSR_TSC_EMULATION_CONTROL 0x40000107
#define HV_X64_MSR_TSC_EMULATION_STATUS 0x40000108
/*
* 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_INVALID_PARAMETER 5
#define HV_STATUS_INSUFFICIENT_MEMORY 11
#define HV_STATUS_INVALID_CONNECTION_ID 18
#define HV_STATUS_INSUFFICIENT_BUFFERS 19
/*
* Hypercall numbers
*/
#define HV_POST_MESSAGE 0x005c
#define HV_SIGNAL_EVENT 0x005d
#define HV_HYPERCALL_FAST (1u << 16)
/*
* Hypercall MSR bits
*/
#define HV_HYPERCALL_ENABLE (1u << 0)
/*
* Synthetic interrupt controller definitions
*/
#define HV_SYNIC_VERSION 1
#define HV_SINT_COUNT 16
#define HV_SYNIC_ENABLE (1u << 0)
#define HV_SIMP_ENABLE (1u << 0)
#define HV_SIEFP_ENABLE (1u << 0)
#define HV_SINT_MASKED (1u << 16)
#define HV_SINT_AUTO_EOI (1u << 17)
#define HV_SINT_VECTOR_MASK 0xff
#define HV_STIMER_COUNT 4
/*
* Message size
*/
#define HV_MESSAGE_PAYLOAD_SIZE 240
/*
* Message types
*/
#define HV_MESSAGE_NONE 0x00000000
#define HV_MESSAGE_VMBUS 0x00000001
#define HV_MESSAGE_UNMAPPED_GPA 0x80000000
#define HV_MESSAGE_GPA_INTERCEPT 0x80000001
#define HV_MESSAGE_TIMER_EXPIRED 0x80000010
#define HV_MESSAGE_INVALID_VP_REGISTER_VALUE 0x80000020
#define HV_MESSAGE_UNRECOVERABLE_EXCEPTION 0x80000021
#define HV_MESSAGE_UNSUPPORTED_FEATURE 0x80000022
#define HV_MESSAGE_EVENTLOG_BUFFERCOMPLETE 0x80000040
#define HV_MESSAGE_X64_IOPORT_INTERCEPT 0x80010000
#define HV_MESSAGE_X64_MSR_INTERCEPT 0x80010001
#define HV_MESSAGE_X64_CPUID_INTERCEPT 0x80010002
#define HV_MESSAGE_X64_EXCEPTION_INTERCEPT 0x80010003
#define HV_MESSAGE_X64_APIC_EOI 0x80010004
#define HV_MESSAGE_X64_LEGACY_FP_ERROR 0x80010005
/*
* Message flags
*/
#define HV_MESSAGE_FLAG_PENDING 0x1
/*
* Event flags number per SINT
*/
#define HV_EVENT_FLAGS_COUNT (256 * 8)
/*
* Connection id valid bits
*/
#define HV_CONNECTION_ID_MASK 0x00ffffff
/*
* Input structure for POST_MESSAGE hypercall
*/
struct hyperv_post_message_input {
uint32_t connection_id;
uint32_t _reserved;
uint32_t message_type;
uint32_t payload_size;
uint8_t payload[HV_MESSAGE_PAYLOAD_SIZE];
};
/*
* Input structure for SIGNAL_EVENT hypercall
*/
struct hyperv_signal_event_input {
uint32_t connection_id;
uint16_t flag_number;
uint16_t _reserved_zero;
};
/*
* SynIC message structures
*/
struct hyperv_message_header {
uint32_t message_type;
uint8_t payload_size;
uint8_t message_flags; /* HV_MESSAGE_FLAG_XX */
uint8_t _reserved[2];
uint64_t sender;
};
struct hyperv_message {
struct hyperv_message_header header;
uint8_t payload[HV_MESSAGE_PAYLOAD_SIZE];
};
struct hyperv_message_page {
struct hyperv_message slot[HV_SINT_COUNT];
};
/*
* SynIC event flags structures
*/
struct hyperv_event_flags {
DECLARE_BITMAP(flags, HV_EVENT_FLAGS_COUNT);
};
struct hyperv_event_flags_page {
struct hyperv_event_flags slot[HV_SINT_COUNT];
};
#endif
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