/* * 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) /* * 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