KVM: selftests: Introduce hyperv_features test

The initial implementation of the test only tests that access to Hyper-V
MSRs and hypercalls is in compliance with guest visible CPUID feature bits.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210521095204.2161214-31-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

tools/testing/selftests/kvm/.gitignore

@@ -13,6 +13,7 @@
 /x86_64/kvm_pv_test
 /x86_64/hyperv_clock
 /x86_64/hyperv_cpuid
+/x86_64/hyperv_features
 /x86_64/mmio_warning_test
 /x86_64/platform_info_test
 /x86_64/set_boot_cpu_id

tools/testing/selftests/kvm/Makefile

@@ -44,6 +44,7 @@ TEST_GEN_PROGS_x86_64 += x86_64/evmcs_test
 TEST_GEN_PROGS_x86_64 += x86_64/get_cpuid_test
 TEST_GEN_PROGS_x86_64 += x86_64/hyperv_clock
 TEST_GEN_PROGS_x86_64 += x86_64/hyperv_cpuid
+TEST_GEN_PROGS_x86_64 += x86_64/hyperv_features
 TEST_GEN_PROGS_x86_64 += x86_64/kvm_pv_test
 TEST_GEN_PROGS_x86_64 += x86_64/mmio_warning_test
 TEST_GEN_PROGS_x86_64 += x86_64/platform_info_test

tools/testing/selftests/kvm/include/x86_64/hyperv.h

@@ -9,11 +9,177 @@
 #ifndef SELFTEST_KVM_HYPERV_H
 #define SELFTEST_KVM_HYPERV_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		BIT(0)
+#define HV_MSR_TIME_REF_COUNT_AVAILABLE		BIT(1)
+#define HV_MSR_SYNIC_AVAILABLE			BIT(2)
+#define HV_MSR_SYNTIMER_AVAILABLE		BIT(3)
+#define HV_MSR_APIC_ACCESS_AVAILABLE		BIT(4)
+#define HV_MSR_HYPERCALL_AVAILABLE		BIT(5)
+#define HV_MSR_VP_INDEX_AVAILABLE		BIT(6)
+#define HV_MSR_RESET_AVAILABLE			BIT(7)
+#define HV_MSR_STAT_PAGES_AVAILABLE		BIT(8)
+#define HV_MSR_REFERENCE_TSC_AVAILABLE		BIT(9)
+#define HV_MSR_GUEST_IDLE_AVAILABLE		BIT(10)
+#define HV_ACCESS_FREQUENCY_MSRS		BIT(11)
+#define HV_ACCESS_REENLIGHTENMENT		BIT(13)
+#define HV_ACCESS_TSC_INVARIANT			BIT(15)
+
+/* HYPERV_CPUID_FEATURES.EBX */
+#define HV_CREATE_PARTITIONS			BIT(0)
+#define HV_ACCESS_PARTITION_ID			BIT(1)
+#define HV_ACCESS_MEMORY_POOL			BIT(2)
+#define HV_ADJUST_MESSAGE_BUFFERS		BIT(3)
+#define HV_POST_MESSAGES			BIT(4)
+#define HV_SIGNAL_EVENTS			BIT(5)
+#define HV_CREATE_PORT				BIT(6)
+#define HV_CONNECT_PORT				BIT(7)
+#define HV_ACCESS_STATS				BIT(8)
+#define HV_DEBUGGING				BIT(11)
+#define HV_CPU_MANAGEMENT			BIT(12)
+#define HV_ISOLATION				BIT(22)
+
+/* HYPERV_CPUID_FEATURES.EDX */
+#define HV_X64_MWAIT_AVAILABLE				BIT(0)
+#define HV_X64_GUEST_DEBUGGING_AVAILABLE		BIT(1)
+#define HV_X64_PERF_MONITOR_AVAILABLE			BIT(2)
+#define HV_X64_CPU_DYNAMIC_PARTITIONING_AVAILABLE	BIT(3)
+#define HV_X64_HYPERCALL_PARAMS_XMM_AVAILABLE		BIT(4)
+#define HV_X64_GUEST_IDLE_STATE_AVAILABLE		BIT(5)
+#define HV_FEATURE_FREQUENCY_MSRS_AVAILABLE		BIT(8)
+#define HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE		BIT(10)
+#define HV_FEATURE_DEBUG_MSRS_AVAILABLE			BIT(11)
+#define HV_STIMER_DIRECT_MODE_AVAILABLE			BIT(19)
+
+/* HYPERV_CPUID_ENLIGHTMENT_INFO.EAX */
+#define HV_X64_AS_SWITCH_RECOMMENDED			BIT(0)
+#define HV_X64_LOCAL_TLB_FLUSH_RECOMMENDED		BIT(1)
+#define HV_X64_REMOTE_TLB_FLUSH_RECOMMENDED		BIT(2)
+#define HV_X64_APIC_ACCESS_RECOMMENDED			BIT(3)
+#define HV_X64_SYSTEM_RESET_RECOMMENDED			BIT(4)
+#define HV_X64_RELAXED_TIMING_RECOMMENDED		BIT(5)
+#define HV_DEPRECATING_AEOI_RECOMMENDED			BIT(9)
+#define HV_X64_CLUSTER_IPI_RECOMMENDED			BIT(10)
+#define HV_X64_EX_PROCESSOR_MASKS_RECOMMENDED		BIT(11)
+#define HV_X64_ENLIGHTENED_VMCS_RECOMMENDED		BIT(14)
+
+/* HYPERV_CPUID_SYNDBG_PLATFORM_CAPABILITIES.EAX */
+#define HV_X64_SYNDBG_CAP_ALLOW_KERNEL_DEBUGGING	BIT(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
+
+#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
 
 #endif /* !SELFTEST_KVM_HYPERV_H */