| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * tools/testing/selftests/kvm/include/x86_64/hyperv.h |
| * |
| * Copyright (C) 2021, Red Hat, Inc. |
| * |
| */ |
| |
| #ifndef SELFTEST_KVM_HYPERV_H |
| #define SELFTEST_KVM_HYPERV_H |
| |
| #include "processor.h" |
| |
| #define HYPERV_CPUID_VENDOR_AND_MAX_FUNCTIONS 0x40000000 |
| #define HYPERV_CPUID_INTERFACE 0x40000001 |
| #define HYPERV_CPUID_VERSION 0x40000002 |
| #define HYPERV_CPUID_FEATURES 0x40000003 |
| #define HYPERV_CPUID_ENLIGHTMENT_INFO 0x40000004 |
| #define HYPERV_CPUID_IMPLEMENT_LIMITS 0x40000005 |
| #define HYPERV_CPUID_CPU_MANAGEMENT_FEATURES 0x40000007 |
| #define HYPERV_CPUID_NESTED_FEATURES 0x4000000A |
| #define HYPERV_CPUID_SYNDBG_VENDOR_AND_MAX_FUNCTIONS 0x40000080 |
| #define HYPERV_CPUID_SYNDBG_INTERFACE 0x40000081 |
| #define HYPERV_CPUID_SYNDBG_PLATFORM_CAPABILITIES 0x40000082 |
| |
| #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 |
| #define HV_X64_MSR_EOI 0x40000070 |
| #define HV_X64_MSR_ICR 0x40000071 |
| #define HV_X64_MSR_TPR 0x40000072 |
| #define HV_X64_MSR_VP_ASSIST_PAGE 0x40000073 |
| #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 |
| #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 |
| #define HV_X64_MSR_GUEST_IDLE 0x400000F0 |
| #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_X64_MSR_CRASH_CTL 0x40000105 |
| #define HV_X64_MSR_REENLIGHTENMENT_CONTROL 0x40000106 |
| #define HV_X64_MSR_TSC_EMULATION_CONTROL 0x40000107 |
| #define HV_X64_MSR_TSC_EMULATION_STATUS 0x40000108 |
| #define HV_X64_MSR_TSC_INVARIANT_CONTROL 0x40000118 |
| |
| #define HV_X64_MSR_SYNDBG_CONTROL 0x400000F1 |
| #define HV_X64_MSR_SYNDBG_STATUS 0x400000F2 |
| #define HV_X64_MSR_SYNDBG_SEND_BUFFER 0x400000F3 |
| #define HV_X64_MSR_SYNDBG_RECV_BUFFER 0x400000F4 |
| #define HV_X64_MSR_SYNDBG_PENDING_BUFFER 0x400000F5 |
| #define HV_X64_MSR_SYNDBG_OPTIONS 0x400000FF |
| |
| /* HYPERV_CPUID_FEATURES.EAX */ |
| #define HV_MSR_VP_RUNTIME_AVAILABLE \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EAX, 0) |
| #define HV_MSR_TIME_REF_COUNT_AVAILABLE \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EAX, 1) |
| #define HV_MSR_SYNIC_AVAILABLE \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EAX, 2) |
| #define HV_MSR_SYNTIMER_AVAILABLE \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EAX, 3) |
| #define HV_MSR_APIC_ACCESS_AVAILABLE \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EAX, 4) |
| #define HV_MSR_HYPERCALL_AVAILABLE \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EAX, 5) |
| #define HV_MSR_VP_INDEX_AVAILABLE \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EAX, 6) |
| #define HV_MSR_RESET_AVAILABLE \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EAX, 7) |
| #define HV_MSR_STAT_PAGES_AVAILABLE \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EAX, 8) |
| #define HV_MSR_REFERENCE_TSC_AVAILABLE \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EAX, 9) |
| #define HV_MSR_GUEST_IDLE_AVAILABLE \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EAX, 10) |
| #define HV_ACCESS_FREQUENCY_MSRS \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EAX, 11) |
| #define HV_ACCESS_REENLIGHTENMENT \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EAX, 13) |
| #define HV_ACCESS_TSC_INVARIANT \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EAX, 15) |
| |
| /* HYPERV_CPUID_FEATURES.EBX */ |
| #define HV_CREATE_PARTITIONS \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EBX, 0) |
| #define HV_ACCESS_PARTITION_ID \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EBX, 1) |
| #define HV_ACCESS_MEMORY_POOL \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EBX, 2) |
| #define HV_ADJUST_MESSAGE_BUFFERS \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EBX, 3) |
| #define HV_POST_MESSAGES \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EBX, 4) |
| #define HV_SIGNAL_EVENTS \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EBX, 5) |
| #define HV_CREATE_PORT \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EBX, 6) |
| #define HV_CONNECT_PORT \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EBX, 7) |
| #define HV_ACCESS_STATS \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EBX, 8) |
| #define HV_DEBUGGING \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EBX, 11) |
| #define HV_CPU_MANAGEMENT \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EBX, 12) |
| #define HV_ENABLE_EXTENDED_HYPERCALLS \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EBX, 20) |
| #define HV_ISOLATION \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EBX, 22) |
| |
| /* HYPERV_CPUID_FEATURES.EDX */ |
| #define HV_X64_MWAIT_AVAILABLE \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EDX, 0) |
| #define HV_X64_GUEST_DEBUGGING_AVAILABLE \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EDX, 1) |
| #define HV_X64_PERF_MONITOR_AVAILABLE \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EDX, 2) |
| #define HV_X64_CPU_DYNAMIC_PARTITIONING_AVAILABLE \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EDX, 3) |
| #define HV_X64_HYPERCALL_XMM_INPUT_AVAILABLE \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EDX, 4) |
| #define HV_X64_GUEST_IDLE_STATE_AVAILABLE \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EDX, 5) |
| #define HV_FEATURE_FREQUENCY_MSRS_AVAILABLE \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EDX, 8) |
| #define HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EDX, 10) |
| #define HV_FEATURE_DEBUG_MSRS_AVAILABLE \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EDX, 11) |
| #define HV_STIMER_DIRECT_MODE_AVAILABLE \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_FEATURES, 0, EDX, 19) |
| |
| /* HYPERV_CPUID_ENLIGHTMENT_INFO.EAX */ |
| #define HV_X64_AS_SWITCH_RECOMMENDED \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_ENLIGHTMENT_INFO, 0, EAX, 0) |
| #define HV_X64_LOCAL_TLB_FLUSH_RECOMMENDED \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_ENLIGHTMENT_INFO, 0, EAX, 1) |
| #define HV_X64_REMOTE_TLB_FLUSH_RECOMMENDED \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_ENLIGHTMENT_INFO, 0, EAX, 2) |
| #define HV_X64_APIC_ACCESS_RECOMMENDED \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_ENLIGHTMENT_INFO, 0, EAX, 3) |
| #define HV_X64_SYSTEM_RESET_RECOMMENDED \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_ENLIGHTMENT_INFO, 0, EAX, 4) |
| #define HV_X64_RELAXED_TIMING_RECOMMENDED \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_ENLIGHTMENT_INFO, 0, EAX, 5) |
| #define HV_DEPRECATING_AEOI_RECOMMENDED \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_ENLIGHTMENT_INFO, 0, EAX, 9) |
| #define HV_X64_CLUSTER_IPI_RECOMMENDED \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_ENLIGHTMENT_INFO, 0, EAX, 10) |
| #define HV_X64_EX_PROCESSOR_MASKS_RECOMMENDED \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_ENLIGHTMENT_INFO, 0, EAX, 11) |
| #define HV_X64_ENLIGHTENED_VMCS_RECOMMENDED \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_ENLIGHTMENT_INFO, 0, EAX, 14) |
| |
| /* HYPERV_CPUID_SYNDBG_PLATFORM_CAPABILITIES.EAX */ |
| #define HV_X64_SYNDBG_CAP_ALLOW_KERNEL_DEBUGGING \ |
| KVM_X86_CPU_FEATURE(HYPERV_CPUID_SYNDBG_PLATFORM_CAPABILITIES, 0, EAX, 1) |
| |
| /* Hypercalls */ |
| #define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE 0x0002 |
| #define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST 0x0003 |
| #define HVCALL_NOTIFY_LONG_SPIN_WAIT 0x0008 |
| #define HVCALL_SEND_IPI 0x000b |
| #define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE_EX 0x0013 |
| #define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST_EX 0x0014 |
| #define HVCALL_SEND_IPI_EX 0x0015 |
| #define HVCALL_GET_PARTITION_ID 0x0046 |
| #define HVCALL_DEPOSIT_MEMORY 0x0048 |
| #define HVCALL_CREATE_VP 0x004e |
| #define HVCALL_GET_VP_REGISTERS 0x0050 |
| #define HVCALL_SET_VP_REGISTERS 0x0051 |
| #define HVCALL_POST_MESSAGE 0x005c |
| #define HVCALL_SIGNAL_EVENT 0x005d |
| #define HVCALL_POST_DEBUG_DATA 0x0069 |
| #define HVCALL_RETRIEVE_DEBUG_DATA 0x006a |
| #define HVCALL_RESET_DEBUG_SESSION 0x006b |
| #define HVCALL_ADD_LOGICAL_PROCESSOR 0x0076 |
| #define HVCALL_MAP_DEVICE_INTERRUPT 0x007c |
| #define HVCALL_UNMAP_DEVICE_INTERRUPT 0x007d |
| #define HVCALL_RETARGET_INTERRUPT 0x007e |
| #define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_SPACE 0x00af |
| #define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_LIST 0x00b0 |
| |
| /* Extended hypercalls */ |
| #define HV_EXT_CALL_QUERY_CAPABILITIES 0x8001 |
| |
| #define HV_FLUSH_ALL_PROCESSORS BIT(0) |
| #define HV_FLUSH_ALL_VIRTUAL_ADDRESS_SPACES BIT(1) |
| #define HV_FLUSH_NON_GLOBAL_MAPPINGS_ONLY BIT(2) |
| #define HV_FLUSH_USE_EXTENDED_RANGE_FORMAT BIT(3) |
| |
| /* 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_ACCESS_DENIED 6 |
| #define HV_STATUS_OPERATION_DENIED 8 |
| #define HV_STATUS_INSUFFICIENT_MEMORY 11 |
| #define HV_STATUS_INVALID_PORT_ID 17 |
| #define HV_STATUS_INVALID_CONNECTION_ID 18 |
| #define HV_STATUS_INSUFFICIENT_BUFFERS 19 |
| |
| /* hypercall options */ |
| #define HV_HYPERCALL_FAST_BIT BIT(16) |
| #define HV_HYPERCALL_VARHEAD_OFFSET 17 |
| #define HV_HYPERCALL_REP_COMP_OFFSET 32 |
| |
| /* |
| * Issue a Hyper-V hypercall. Returns exception vector raised or 0, 'hv_status' |
| * is set to the hypercall status (if no exception occurred). |
| */ |
| static inline uint8_t __hyperv_hypercall(u64 control, vm_vaddr_t input_address, |
| vm_vaddr_t output_address, |
| uint64_t *hv_status) |
| { |
| uint64_t error_code; |
| uint8_t vector; |
| |
| /* Note both the hypercall and the "asm safe" clobber r9-r11. */ |
| asm volatile("mov %[output_address], %%r8\n\t" |
| KVM_ASM_SAFE("vmcall") |
| : "=a" (*hv_status), |
| "+c" (control), "+d" (input_address), |
| KVM_ASM_SAFE_OUTPUTS(vector, error_code) |
| : [output_address] "r"(output_address), |
| "a" (-EFAULT) |
| : "cc", "memory", "r8", KVM_ASM_SAFE_CLOBBERS); |
| return vector; |
| } |
| |
| /* Issue a Hyper-V hypercall and assert that it succeeded. */ |
| static inline void hyperv_hypercall(u64 control, vm_vaddr_t input_address, |
| vm_vaddr_t output_address) |
| { |
| uint64_t hv_status; |
| uint8_t vector; |
| |
| vector = __hyperv_hypercall(control, input_address, output_address, &hv_status); |
| |
| GUEST_ASSERT(!vector); |
| GUEST_ASSERT((hv_status & 0xffff) == 0); |
| } |
| |
| /* Write 'Fast' hypercall input 'data' to the first 'n_sse_regs' SSE regs */ |
| static inline void hyperv_write_xmm_input(void *data, int n_sse_regs) |
| { |
| int i; |
| |
| for (i = 0; i < n_sse_regs; i++) |
| write_sse_reg(i, (sse128_t *)(data + sizeof(sse128_t) * i)); |
| } |
| |
| /* Proper HV_X64_MSR_GUEST_OS_ID value */ |
| #define HYPERV_LINUX_OS_ID ((u64)0x8100 << 48) |
| |
| #define HV_X64_MSR_VP_ASSIST_PAGE 0x40000073 |
| #define HV_X64_MSR_VP_ASSIST_PAGE_ENABLE 0x00000001 |
| #define HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_SHIFT 12 |
| #define HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_MASK \ |
| (~((1ull << HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_SHIFT) - 1)) |
| |
| struct hv_nested_enlightenments_control { |
| struct { |
| __u32 directhypercall:1; |
| __u32 reserved:31; |
| } features; |
| struct { |
| __u32 reserved; |
| } hypercallControls; |
| } __packed; |
| |
| /* Define virtual processor assist page structure. */ |
| struct hv_vp_assist_page { |
| __u32 apic_assist; |
| __u32 reserved1; |
| __u64 vtl_control[3]; |
| struct hv_nested_enlightenments_control nested_control; |
| __u8 enlighten_vmentry; |
| __u8 reserved2[7]; |
| __u64 current_nested_vmcs; |
| } __packed; |
| |
| extern struct hv_vp_assist_page *current_vp_assist; |
| |
| int enable_vp_assist(uint64_t vp_assist_pa, void *vp_assist); |
| |
| struct hyperv_test_pages { |
| /* VP assist page */ |
| void *vp_assist_hva; |
| uint64_t vp_assist_gpa; |
| void *vp_assist; |
| |
| /* Partition assist page */ |
| void *partition_assist_hva; |
| uint64_t partition_assist_gpa; |
| void *partition_assist; |
| |
| /* Enlightened VMCS */ |
| void *enlightened_vmcs_hva; |
| uint64_t enlightened_vmcs_gpa; |
| void *enlightened_vmcs; |
| }; |
| |
| struct hyperv_test_pages *vcpu_alloc_hyperv_test_pages(struct kvm_vm *vm, |
| vm_vaddr_t *p_hv_pages_gva); |
| |
| /* HV_X64_MSR_TSC_INVARIANT_CONTROL bits */ |
| #define HV_INVARIANT_TSC_EXPOSED BIT_ULL(0) |
| |
| #endif /* !SELFTEST_KVM_HYPERV_H */ |
