Remove all hyperv-tlfs.h files. These are no longer included anywhere. hyperv/hvhdk.h serves the same role, but with an easier path for adding new definitions.
Remove the relevant lines in MAINTAINERS. Signed-off-by: Nuno Das Neves <nunodasne...@linux.microsoft.com> --- MAINTAINERS | 3 - arch/arm64/include/asm/hyperv-tlfs.h | 71 --- arch/x86/include/asm/hyperv-tlfs.h | 811 ------------------------ include/asm-generic/hyperv-tlfs.h | 883 --------------------------- 4 files changed, 1768 deletions(-) delete mode 100644 arch/arm64/include/asm/hyperv-tlfs.h delete mode 100644 arch/x86/include/asm/hyperv-tlfs.h delete mode 100644 include/asm-generic/hyperv-tlfs.h diff --git a/MAINTAINERS b/MAINTAINERS index 6ffa65b5a160..b1fb2a008982 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -10672,10 +10672,8 @@ F: Documentation/devicetree/bindings/bus/microsoft,vmbus.yaml F: Documentation/networking/device_drivers/ethernet/microsoft/netvsc.rst F: Documentation/virt/hyperv F: arch/arm64/hyperv -F: arch/arm64/include/asm/hyperv-tlfs.h F: arch/arm64/include/asm/mshyperv.h F: arch/x86/hyperv -F: arch/x86/include/asm/hyperv-tlfs.h F: arch/x86/include/asm/mshyperv.h F: arch/x86/include/asm/trace/hyperv.h F: arch/x86/kernel/cpu/mshyperv.c @@ -10691,7 +10689,6 @@ F: drivers/pci/controller/pci-hyperv.c F: drivers/scsi/storvsc_drv.c F: drivers/uio/uio_hv_generic.c F: drivers/video/fbdev/hyperv_fb.c -F: include/asm-generic/hyperv-tlfs.h F: include/asm-generic/mshyperv.h F: include/clocksource/hyperv_timer.h F: include/hyperv/hvgdk.h diff --git a/arch/arm64/include/asm/hyperv-tlfs.h b/arch/arm64/include/asm/hyperv-tlfs.h deleted file mode 100644 index bc30aadedfe9..000000000000 --- a/arch/arm64/include/asm/hyperv-tlfs.h +++ /dev/null @@ -1,71 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ - -/* - * This file contains definitions from the Hyper-V Hypervisor Top-Level - * Functional Specification (TLFS): - * https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/reference/tlfs - * - * Copyright (C) 2021, Microsoft, Inc. - * - * Author : Michael Kelley <mikel...@microsoft.com> - */ - -#ifndef _ASM_HYPERV_TLFS_H -#define _ASM_HYPERV_TLFS_H - -#include <linux/types.h> - -/* - * All data structures defined in the TLFS that are shared between Hyper-V - * and a guest VM use Little Endian byte ordering. This matches the default - * byte ordering of Linux running on ARM64, so no special handling is required. - */ - -/* - * Group C Features. See the asm-generic version of hyperv-tlfs.h - * for a description of Feature Groups. - */ - -/* Crash MSRs available */ -#define HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE BIT(8) - -/* STIMER direct mode is available */ -#define HV_STIMER_DIRECT_MODE_AVAILABLE BIT(13) - -/* - * To support arch-generic code calling hv_set/get_register: - * - On x86, HV_MSR_ indicates an MSR accessed via rdmsrl/wrmsrl - * - On ARM, HV_MSR_ indicates a VP register accessed via hypercall - */ -#define HV_MSR_CRASH_P0 (HV_REGISTER_GUEST_CRASH_P0) -#define HV_MSR_CRASH_P1 (HV_REGISTER_GUEST_CRASH_P1) -#define HV_MSR_CRASH_P2 (HV_REGISTER_GUEST_CRASH_P2) -#define HV_MSR_CRASH_P3 (HV_REGISTER_GUEST_CRASH_P3) -#define HV_MSR_CRASH_P4 (HV_REGISTER_GUEST_CRASH_P4) -#define HV_MSR_CRASH_CTL (HV_REGISTER_GUEST_CRASH_CTL) - -#define HV_MSR_VP_INDEX (HV_REGISTER_VP_INDEX) -#define HV_MSR_TIME_REF_COUNT (HV_REGISTER_TIME_REF_COUNT) -#define HV_MSR_REFERENCE_TSC (HV_REGISTER_REFERENCE_TSC) - -#define HV_MSR_SINT0 (HV_REGISTER_SINT0) -#define HV_MSR_SCONTROL (HV_REGISTER_SCONTROL) -#define HV_MSR_SIEFP (HV_REGISTER_SIEFP) -#define HV_MSR_SIMP (HV_REGISTER_SIMP) -#define HV_MSR_EOM (HV_REGISTER_EOM) - -#define HV_MSR_STIMER0_CONFIG (HV_REGISTER_STIMER0_CONFIG) -#define HV_MSR_STIMER0_COUNT (HV_REGISTER_STIMER0_COUNT) - -union hv_msi_entry { - u64 as_uint64[2]; - struct { - u64 address; - u32 data; - u32 reserved; - } __packed; -}; - -#include <asm-generic/hyperv-tlfs.h> - -#endif diff --git a/arch/x86/include/asm/hyperv-tlfs.h b/arch/x86/include/asm/hyperv-tlfs.h deleted file mode 100644 index 3787d26810c1..000000000000 --- a/arch/x86/include/asm/hyperv-tlfs.h +++ /dev/null @@ -1,811 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ - -/* - * This file contains definitions from Hyper-V Hypervisor Top-Level Functional - * Specification (TLFS): - * https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/reference/tlfs - */ - -#ifndef _ASM_X86_HYPERV_TLFS_H -#define _ASM_X86_HYPERV_TLFS_H - -#include <linux/types.h> -#include <asm/page.h> -/* - * The below CPUID leaves are present if VersionAndFeatures.HypervisorPresent - * is set by CPUID(HvCpuIdFunctionVersionAndFeatures). - */ -#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_ISOLATION_CONFIG 0x4000000C - -#define HYPERV_CPUID_VIRT_STACK_INTERFACE 0x40000081 -#define HYPERV_VS_INTERFACE_EAX_SIGNATURE 0x31235356 /* "VS#1" */ - -#define HYPERV_CPUID_VIRT_STACK_PROPERTIES 0x40000082 -/* Support for the extended IOAPIC RTE format */ -#define HYPERV_VS_PROPERTIES_EAX_EXTENDED_IOAPIC_RTE BIT(2) - -#define HYPERV_HYPERVISOR_PRESENT_BIT 0x80000000 -#define HYPERV_CPUID_MIN 0x40000005 -#define HYPERV_CPUID_MAX 0x4000ffff - -/* - * Group D Features. The bit assignments are custom to each architecture. - * On x86/x64 these are HYPERV_CPUID_FEATURES.EDX bits. - */ -/* The MWAIT instruction is available (per section MONITOR / MWAIT) */ -#define HV_X64_MWAIT_AVAILABLE BIT(0) -/* Guest debugging support is available */ -#define HV_X64_GUEST_DEBUGGING_AVAILABLE BIT(1) -/* Performance Monitor support is available*/ -#define HV_X64_PERF_MONITOR_AVAILABLE BIT(2) -/* Support for physical CPU dynamic partitioning events is available*/ -#define HV_X64_CPU_DYNAMIC_PARTITIONING_AVAILABLE BIT(3) -/* - * Support for passing hypercall input parameter block via XMM - * registers is available - */ -#define HV_X64_HYPERCALL_XMM_INPUT_AVAILABLE BIT(4) -/* Support for a virtual guest idle state is available */ -#define HV_X64_GUEST_IDLE_STATE_AVAILABLE BIT(5) -/* Frequency MSRs available */ -#define HV_FEATURE_FREQUENCY_MSRS_AVAILABLE BIT(8) -/* Crash MSR available */ -#define HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE BIT(10) -/* Support for debug MSRs available */ -#define HV_FEATURE_DEBUG_MSRS_AVAILABLE BIT(11) -/* Support for extended gva ranges for flush hypercalls available */ -#define HV_FEATURE_EXT_GVA_RANGES_FLUSH BIT(14) -/* - * Support for returning hypercall output block via XMM - * registers is available - */ -#define HV_X64_HYPERCALL_XMM_OUTPUT_AVAILABLE BIT(15) -/* stimer Direct Mode is available */ -#define HV_STIMER_DIRECT_MODE_AVAILABLE BIT(19) - -/* - * Implementation recommendations. Indicates which behaviors the hypervisor - * recommends the OS implement for optimal performance. - * These are HYPERV_CPUID_ENLIGHTMENT_INFO.EAX bits. - */ -/* - * Recommend using hypercall for address space switches rather - * than MOV to CR3 instruction - */ -#define HV_X64_AS_SWITCH_RECOMMENDED BIT(0) -/* Recommend using hypercall for local TLB flushes rather - * than INVLPG or MOV to CR3 instructions */ -#define HV_X64_LOCAL_TLB_FLUSH_RECOMMENDED BIT(1) -/* - * Recommend using hypercall for remote TLB flushes rather - * than inter-processor interrupts - */ -#define HV_X64_REMOTE_TLB_FLUSH_RECOMMENDED BIT(2) -/* - * Recommend using MSRs for accessing APIC registers - * EOI, ICR and TPR rather than their memory-mapped counterparts - */ -#define HV_X64_APIC_ACCESS_RECOMMENDED BIT(3) -/* Recommend using the hypervisor-provided MSR to initiate a system RESET */ -#define HV_X64_SYSTEM_RESET_RECOMMENDED BIT(4) -/* - * Recommend using relaxed timing for this partition. If used, - * the VM should disable any watchdog timeouts that rely on the - * timely delivery of external interrupts - */ -#define HV_X64_RELAXED_TIMING_RECOMMENDED BIT(5) - -/* - * Recommend not using Auto End-Of-Interrupt feature - */ -#define HV_DEPRECATING_AEOI_RECOMMENDED BIT(9) - -/* - * Recommend using cluster IPI hypercalls. - */ -#define HV_X64_CLUSTER_IPI_RECOMMENDED BIT(10) - -/* Recommend using the newer ExProcessorMasks interface */ -#define HV_X64_EX_PROCESSOR_MASKS_RECOMMENDED BIT(11) - -/* Indicates that the hypervisor is nested within a Hyper-V partition. */ -#define HV_X64_HYPERV_NESTED BIT(12) - -/* Recommend using enlightened VMCS */ -#define HV_X64_ENLIGHTENED_VMCS_RECOMMENDED BIT(14) - -/* Use hypercalls for MMIO config space access */ -#define HV_X64_USE_MMIO_HYPERCALLS BIT(21) - -/* - * CPU management features identification. - * These are HYPERV_CPUID_CPU_MANAGEMENT_FEATURES.EAX bits. - */ -#define HV_X64_START_LOGICAL_PROCESSOR BIT(0) -#define HV_X64_CREATE_ROOT_VIRTUAL_PROCESSOR BIT(1) -#define HV_X64_PERFORMANCE_COUNTER_SYNC BIT(2) -#define HV_X64_RESERVED_IDENTITY_BIT BIT(31) - -/* - * Virtual processor will never share a physical core with another virtual - * processor, except for virtual processors that are reported as sibling SMT - * threads. - */ -#define HV_X64_NO_NONARCH_CORESHARING BIT(18) - -/* Nested features. These are HYPERV_CPUID_NESTED_FEATURES.EAX bits. */ -#define HV_X64_NESTED_DIRECT_FLUSH BIT(17) -#define HV_X64_NESTED_GUEST_MAPPING_FLUSH BIT(18) -#define HV_X64_NESTED_MSR_BITMAP BIT(19) - -/* Nested features #2. These are HYPERV_CPUID_NESTED_FEATURES.EBX bits. */ -#define HV_X64_NESTED_EVMCS1_PERF_GLOBAL_CTRL BIT(0) - -/* - * This is specific to AMD and specifies that enlightened TLB flush is - * supported. If guest opts in to this feature, ASID invalidations only - * flushes gva -> hpa mapping entries. To flush the TLB entries derived - * from NPT, hypercalls should be used (HvFlushGuestPhysicalAddressSpace - * or HvFlushGuestPhysicalAddressList). - */ -#define HV_X64_NESTED_ENLIGHTENED_TLB BIT(22) - -/* HYPERV_CPUID_ISOLATION_CONFIG.EAX bits. */ -#define HV_PARAVISOR_PRESENT BIT(0) - -/* HYPERV_CPUID_ISOLATION_CONFIG.EBX bits. */ -#define HV_ISOLATION_TYPE GENMASK(3, 0) -#define HV_SHARED_GPA_BOUNDARY_ACTIVE BIT(5) -#define HV_SHARED_GPA_BOUNDARY_BITS GENMASK(11, 6) - -enum hv_isolation_type { - HV_ISOLATION_TYPE_NONE = 0, - HV_ISOLATION_TYPE_VBS = 1, - HV_ISOLATION_TYPE_SNP = 2, - HV_ISOLATION_TYPE_TDX = 3 -}; - -/* Hyper-V specific model specific registers (MSRs) */ - -/* MSR used to identify the guest OS. */ -#define HV_X64_MSR_GUEST_OS_ID 0x40000000 - -/* MSR used to setup pages used to communicate with the hypervisor. */ -#define HV_X64_MSR_HYPERCALL 0x40000001 - -/* MSR used to provide vcpu index */ -#define HV_X64_MSR_VP_INDEX 0x40000002 - -/* MSR used to reset the guest OS. */ -#define HV_X64_MSR_RESET 0x40000003 - -/* MSR used to provide vcpu runtime in 100ns units */ -#define HV_X64_MSR_VP_RUNTIME 0x40000010 - -/* MSR used to read the per-partition time reference counter */ -#define HV_X64_MSR_TIME_REF_COUNT 0x40000020 - -/* A partition's reference time stamp counter (TSC) page */ -#define HV_X64_MSR_REFERENCE_TSC 0x40000021 - -/* MSR used to retrieve the TSC frequency */ -#define HV_X64_MSR_TSC_FREQUENCY 0x40000022 - -/* MSR used to retrieve the local APIC timer frequency */ -#define HV_X64_MSR_APIC_FREQUENCY 0x40000023 - -/* Define the virtual APIC registers */ -#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 synthetic interrupt controller model specific registers. */ -#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 synthetic interrupt controller model specific registers for - * nested hypervisor. - */ -#define HV_X64_MSR_NESTED_SCONTROL 0x40001080 -#define HV_X64_MSR_NESTED_SVERSION 0x40001081 -#define HV_X64_MSR_NESTED_SIEFP 0x40001082 -#define HV_X64_MSR_NESTED_SIMP 0x40001083 -#define HV_X64_MSR_NESTED_EOM 0x40001084 -#define HV_X64_MSR_NESTED_SINT0 0x40001090 - -/* - * Synthetic Timer MSRs. Four timers per vcpu. - */ -#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 - -/* Hyper-V guest idle MSR */ -#define HV_X64_MSR_GUEST_IDLE 0x400000F0 - -/* Hyper-V guest crash notification MSR's */ -#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 - -/* TSC emulation after migration */ -#define HV_X64_MSR_REENLIGHTENMENT_CONTROL 0x40000106 -#define HV_X64_MSR_TSC_EMULATION_CONTROL 0x40000107 -#define HV_X64_MSR_TSC_EMULATION_STATUS 0x40000108 - -/* TSC invariant control */ -#define HV_X64_MSR_TSC_INVARIANT_CONTROL 0x40000118 - -/* HV_X64_MSR_TSC_INVARIANT_CONTROL bits */ -#define HV_EXPOSE_INVARIANT_TSC BIT_ULL(0) - -/* - * To support arch-generic code calling hv_set/get_register: - * - On x86, HV_MSR_ indicates an MSR accessed via rdmsrl/wrmsrl - * - On ARM, HV_MSR_ indicates a VP register accessed via hypercall - */ -#define HV_MSR_CRASH_P0 (HV_X64_MSR_CRASH_P0) -#define HV_MSR_CRASH_P1 (HV_X64_MSR_CRASH_P1) -#define HV_MSR_CRASH_P2 (HV_X64_MSR_CRASH_P2) -#define HV_MSR_CRASH_P3 (HV_X64_MSR_CRASH_P3) -#define HV_MSR_CRASH_P4 (HV_X64_MSR_CRASH_P4) -#define HV_MSR_CRASH_CTL (HV_X64_MSR_CRASH_CTL) - -#define HV_MSR_VP_INDEX (HV_X64_MSR_VP_INDEX) -#define HV_MSR_TIME_REF_COUNT (HV_X64_MSR_TIME_REF_COUNT) -#define HV_MSR_REFERENCE_TSC (HV_X64_MSR_REFERENCE_TSC) - -#define HV_MSR_SINT0 (HV_X64_MSR_SINT0) -#define HV_MSR_SVERSION (HV_X64_MSR_SVERSION) -#define HV_MSR_SCONTROL (HV_X64_MSR_SCONTROL) -#define HV_MSR_SIEFP (HV_X64_MSR_SIEFP) -#define HV_MSR_SIMP (HV_X64_MSR_SIMP) -#define HV_MSR_EOM (HV_X64_MSR_EOM) - -#define HV_MSR_NESTED_SCONTROL (HV_X64_MSR_NESTED_SCONTROL) -#define HV_MSR_NESTED_SVERSION (HV_X64_MSR_NESTED_SVERSION) -#define HV_MSR_NESTED_SIEFP (HV_X64_MSR_NESTED_SIEFP) -#define HV_MSR_NESTED_SIMP (HV_X64_MSR_NESTED_SIMP) -#define HV_MSR_NESTED_EOM (HV_X64_MSR_NESTED_EOM) -#define HV_MSR_NESTED_SINT0 (HV_X64_MSR_NESTED_SINT0) - -#define HV_MSR_STIMER0_CONFIG (HV_X64_MSR_STIMER0_CONFIG) -#define HV_MSR_STIMER0_COUNT (HV_X64_MSR_STIMER0_COUNT) - -/* - * Registers are only accessible via HVCALL_GET_VP_REGISTERS hvcall and - * there is not associated MSR address. - */ -#define HV_X64_REGISTER_VSM_VP_STATUS 0x000D0003 -#define HV_X64_VTL_MASK GENMASK(3, 0) - -/* Hyper-V memory host visibility */ -enum hv_mem_host_visibility { - VMBUS_PAGE_NOT_VISIBLE = 0, - VMBUS_PAGE_VISIBLE_READ_ONLY = 1, - VMBUS_PAGE_VISIBLE_READ_WRITE = 3 -}; - -/* HvCallModifySparseGpaPageHostVisibility hypercall */ -#define HV_MAX_MODIFY_GPA_REP_COUNT ((PAGE_SIZE / sizeof(u64)) - 2) -struct hv_gpa_range_for_visibility { - u64 partition_id; - u32 host_visibility:2; - u32 reserved0:30; - u32 reserved1; - u64 gpa_page_list[HV_MAX_MODIFY_GPA_REP_COUNT]; -} __packed; - -/* - * Declare the MSR used to setup pages used to communicate with the hypervisor. - */ -union hv_x64_msr_hypercall_contents { - u64 as_uint64; - struct { - u64 enable:1; - u64 reserved:11; - u64 guest_physical_address:52; - } __packed; -}; - -union hv_vp_assist_msr_contents { - u64 as_uint64; - struct { - u64 enable:1; - u64 reserved:11; - u64 pfn:52; - } __packed; -}; - -struct hv_reenlightenment_control { - __u64 vector:8; - __u64 reserved1:8; - __u64 enabled:1; - __u64 reserved2:15; - __u64 target_vp:32; -} __packed; - -struct hv_tsc_emulation_control { - __u64 enabled:1; - __u64 reserved:63; -} __packed; - -struct hv_tsc_emulation_status { - __u64 inprogress:1; - __u64 reserved:63; -} __packed; - -#define HV_X64_MSR_HYPERCALL_ENABLE 0x00000001 -#define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT 12 -#define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_MASK \ - (~((1ull << HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT) - 1)) - -#define HV_X64_MSR_CRASH_PARAMS \ - (1 + (HV_X64_MSR_CRASH_P4 - HV_X64_MSR_CRASH_P0)) - -#define HV_IPI_LOW_VECTOR 0x10 -#define HV_IPI_HIGH_VECTOR 0xff - -#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)) - -/* Hyper-V Enlightened VMCS version mask in nested features CPUID */ -#define HV_X64_ENLIGHTENED_VMCS_VERSION 0xff - -#define HV_X64_MSR_TSC_REFERENCE_ENABLE 0x00000001 -#define HV_X64_MSR_TSC_REFERENCE_ADDRESS_SHIFT 12 - -/* Number of XMM registers used in hypercall input/output */ -#define HV_HYPERCALL_MAX_XMM_REGISTERS 6 - -struct hv_nested_enlightenments_control { - struct { - __u32 directhypercall:1; - __u32 reserved:31; - } features; - struct { - __u32 inter_partition_comm:1; - __u32 reserved:31; - } hypercallControls; -} __packed; - -/* Define virtual processor assist page structure. */ -struct hv_vp_assist_page { - __u32 apic_assist; - __u32 reserved1; - __u32 vtl_entry_reason; - __u32 vtl_reserved; - __u64 vtl_ret_x64rax; - __u64 vtl_ret_x64rcx; - struct hv_nested_enlightenments_control nested_control; - __u8 enlighten_vmentry; - __u8 reserved2[7]; - __u64 current_nested_vmcs; - __u8 synthetic_time_unhalted_timer_expired; - __u8 reserved3[7]; - __u8 virtualization_fault_information[40]; - __u8 reserved4[8]; - __u8 intercept_message[256]; - __u8 vtl_ret_actions[256]; -} __packed; - -struct hv_enlightened_vmcs { - u32 revision_id; - u32 abort; - - u16 host_es_selector; - u16 host_cs_selector; - u16 host_ss_selector; - u16 host_ds_selector; - u16 host_fs_selector; - u16 host_gs_selector; - u16 host_tr_selector; - - u16 padding16_1; - - u64 host_ia32_pat; - u64 host_ia32_efer; - - u64 host_cr0; - u64 host_cr3; - u64 host_cr4; - - u64 host_ia32_sysenter_esp; - u64 host_ia32_sysenter_eip; - u64 host_rip; - u32 host_ia32_sysenter_cs; - - u32 pin_based_vm_exec_control; - u32 vm_exit_controls; - u32 secondary_vm_exec_control; - - u64 io_bitmap_a; - u64 io_bitmap_b; - u64 msr_bitmap; - - u16 guest_es_selector; - u16 guest_cs_selector; - u16 guest_ss_selector; - u16 guest_ds_selector; - u16 guest_fs_selector; - u16 guest_gs_selector; - u16 guest_ldtr_selector; - u16 guest_tr_selector; - - u32 guest_es_limit; - u32 guest_cs_limit; - u32 guest_ss_limit; - u32 guest_ds_limit; - u32 guest_fs_limit; - u32 guest_gs_limit; - u32 guest_ldtr_limit; - u32 guest_tr_limit; - u32 guest_gdtr_limit; - u32 guest_idtr_limit; - - u32 guest_es_ar_bytes; - u32 guest_cs_ar_bytes; - u32 guest_ss_ar_bytes; - u32 guest_ds_ar_bytes; - u32 guest_fs_ar_bytes; - u32 guest_gs_ar_bytes; - u32 guest_ldtr_ar_bytes; - u32 guest_tr_ar_bytes; - - u64 guest_es_base; - u64 guest_cs_base; - u64 guest_ss_base; - u64 guest_ds_base; - u64 guest_fs_base; - u64 guest_gs_base; - u64 guest_ldtr_base; - u64 guest_tr_base; - u64 guest_gdtr_base; - u64 guest_idtr_base; - - u64 padding64_1[3]; - - u64 vm_exit_msr_store_addr; - u64 vm_exit_msr_load_addr; - u64 vm_entry_msr_load_addr; - - u64 cr3_target_value0; - u64 cr3_target_value1; - u64 cr3_target_value2; - u64 cr3_target_value3; - - u32 page_fault_error_code_mask; - u32 page_fault_error_code_match; - - u32 cr3_target_count; - u32 vm_exit_msr_store_count; - u32 vm_exit_msr_load_count; - u32 vm_entry_msr_load_count; - - u64 tsc_offset; - u64 virtual_apic_page_addr; - u64 vmcs_link_pointer; - - u64 guest_ia32_debugctl; - u64 guest_ia32_pat; - u64 guest_ia32_efer; - - u64 guest_pdptr0; - u64 guest_pdptr1; - u64 guest_pdptr2; - u64 guest_pdptr3; - - u64 guest_pending_dbg_exceptions; - u64 guest_sysenter_esp; - u64 guest_sysenter_eip; - - u32 guest_activity_state; - u32 guest_sysenter_cs; - - u64 cr0_guest_host_mask; - u64 cr4_guest_host_mask; - u64 cr0_read_shadow; - u64 cr4_read_shadow; - u64 guest_cr0; - u64 guest_cr3; - u64 guest_cr4; - u64 guest_dr7; - - u64 host_fs_base; - u64 host_gs_base; - u64 host_tr_base; - u64 host_gdtr_base; - u64 host_idtr_base; - u64 host_rsp; - - u64 ept_pointer; - - u16 virtual_processor_id; - u16 padding16_2[3]; - - u64 padding64_2[5]; - u64 guest_physical_address; - - u32 vm_instruction_error; - u32 vm_exit_reason; - u32 vm_exit_intr_info; - u32 vm_exit_intr_error_code; - u32 idt_vectoring_info_field; - u32 idt_vectoring_error_code; - u32 vm_exit_instruction_len; - u32 vmx_instruction_info; - - u64 exit_qualification; - u64 exit_io_instruction_ecx; - u64 exit_io_instruction_esi; - u64 exit_io_instruction_edi; - u64 exit_io_instruction_eip; - - u64 guest_linear_address; - u64 guest_rsp; - u64 guest_rflags; - - u32 guest_interruptibility_info; - u32 cpu_based_vm_exec_control; - u32 exception_bitmap; - u32 vm_entry_controls; - u32 vm_entry_intr_info_field; - u32 vm_entry_exception_error_code; - u32 vm_entry_instruction_len; - u32 tpr_threshold; - - u64 guest_rip; - - u32 hv_clean_fields; - u32 padding32_1; - u32 hv_synthetic_controls; - struct { - u32 nested_flush_hypercall:1; - u32 msr_bitmap:1; - u32 reserved:30; - } __packed hv_enlightenments_control; - u32 hv_vp_id; - u32 padding32_2; - u64 hv_vm_id; - u64 partition_assist_page; - u64 padding64_4[4]; - u64 guest_bndcfgs; - u64 guest_ia32_perf_global_ctrl; - u64 guest_ia32_s_cet; - u64 guest_ssp; - u64 guest_ia32_int_ssp_table_addr; - u64 guest_ia32_lbr_ctl; - u64 padding64_5[2]; - u64 xss_exit_bitmap; - u64 encls_exiting_bitmap; - u64 host_ia32_perf_global_ctrl; - u64 tsc_multiplier; - u64 host_ia32_s_cet; - u64 host_ssp; - u64 host_ia32_int_ssp_table_addr; - u64 padding64_6; -} __packed; - -#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_NONE 0 -#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_IO_BITMAP BIT(0) -#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_MSR_BITMAP BIT(1) -#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP2 BIT(2) -#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_GRP1 BIT(3) -#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_PROC BIT(4) -#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EVENT BIT(5) -#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_ENTRY BIT(6) -#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_EXCPN BIT(7) -#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CRDR BIT(8) -#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_CONTROL_XLAT BIT(9) -#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_BASIC BIT(10) -#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP1 BIT(11) -#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_GUEST_GRP2 BIT(12) -#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_POINTER BIT(13) -#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_HOST_GRP1 BIT(14) -#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_ENLIGHTENMENTSCONTROL BIT(15) - -#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL 0xFFFF - -/* - * Note, Hyper-V isn't actually stealing bit 28 from Intel, just abusing it by - * pairing it with architecturally impossible exit reasons. Bit 28 is set only - * on SMI exits to a SMI transfer monitor (STM) and if and only if a MTF VM-Exit - * is pending. I.e. it will never be set by hardware for non-SMI exits (there - * are only three), nor will it ever be set unless the VMM is an STM. - */ -#define HV_VMX_SYNTHETIC_EXIT_REASON_TRAP_AFTER_FLUSH 0x10000031 - -/* - * Hyper-V uses the software reserved 32 bytes in VMCB control area to expose - * SVM enlightenments to guests. - */ -struct hv_vmcb_enlightenments { - struct __packed hv_enlightenments_control { - u32 nested_flush_hypercall:1; - u32 msr_bitmap:1; - u32 enlightened_npt_tlb: 1; - u32 reserved:29; - } __packed hv_enlightenments_control; - u32 hv_vp_id; - u64 hv_vm_id; - u64 partition_assist_page; - u64 reserved; -} __packed; - -/* - * Hyper-V uses the software reserved clean bit in VMCB. - */ -#define HV_VMCB_NESTED_ENLIGHTENMENTS 31 - -/* Synthetic VM-Exit */ -#define HV_SVM_EXITCODE_ENL 0xf0000000 -#define HV_SVM_ENL_EXITCODE_TRAP_AFTER_FLUSH (1) - -struct hv_partition_assist_pg { - u32 tlb_lock_count; -}; - -enum hv_interrupt_type { - HV_X64_INTERRUPT_TYPE_FIXED = 0x0000, - HV_X64_INTERRUPT_TYPE_LOWESTPRIORITY = 0x0001, - HV_X64_INTERRUPT_TYPE_SMI = 0x0002, - HV_X64_INTERRUPT_TYPE_REMOTEREAD = 0x0003, - HV_X64_INTERRUPT_TYPE_NMI = 0x0004, - HV_X64_INTERRUPT_TYPE_INIT = 0x0005, - HV_X64_INTERRUPT_TYPE_SIPI = 0x0006, - HV_X64_INTERRUPT_TYPE_EXTINT = 0x0007, - HV_X64_INTERRUPT_TYPE_LOCALINT0 = 0x0008, - HV_X64_INTERRUPT_TYPE_LOCALINT1 = 0x0009, - HV_X64_INTERRUPT_TYPE_MAXIMUM = 0x000A, -}; - -union hv_msi_address_register { - u32 as_uint32; - struct { - u32 reserved1:2; - u32 destination_mode:1; - u32 redirection_hint:1; - u32 reserved2:8; - u32 destination_id:8; - u32 msi_base:12; - }; -} __packed; - -union hv_msi_data_register { - u32 as_uint32; - struct { - u32 vector:8; - u32 delivery_mode:3; - u32 reserved1:3; - u32 level_assert:1; - u32 trigger_mode:1; - u32 reserved2:16; - }; -} __packed; - -/* HvRetargetDeviceInterrupt hypercall */ -union hv_msi_entry { - u64 as_uint64; - struct { - union hv_msi_address_register address; - union hv_msi_data_register data; - } __packed; -}; - -struct hv_x64_segment_register { - u64 base; - u32 limit; - u16 selector; - union { - struct { - u16 segment_type : 4; - u16 non_system_segment : 1; - u16 descriptor_privilege_level : 2; - u16 present : 1; - u16 reserved : 4; - u16 available : 1; - u16 _long : 1; - u16 _default : 1; - u16 granularity : 1; - } __packed; - u16 attributes; - }; -} __packed; - -struct hv_x64_table_register { - u16 pad[3]; - u16 limit; - u64 base; -} __packed; - -struct hv_init_vp_context { - u64 rip; - u64 rsp; - u64 rflags; - - struct hv_x64_segment_register cs; - struct hv_x64_segment_register ds; - struct hv_x64_segment_register es; - struct hv_x64_segment_register fs; - struct hv_x64_segment_register gs; - struct hv_x64_segment_register ss; - struct hv_x64_segment_register tr; - struct hv_x64_segment_register ldtr; - - struct hv_x64_table_register idtr; - struct hv_x64_table_register gdtr; - - u64 efer; - u64 cr0; - u64 cr3; - u64 cr4; - u64 msr_cr_pat; -} __packed; - -union hv_input_vtl { - u8 as_uint8; - struct { - u8 target_vtl: 4; - u8 use_target_vtl: 1; - u8 reserved_z: 3; - }; -} __packed; - -struct hv_enable_vp_vtl { - u64 partition_id; - u32 vp_index; - union hv_input_vtl target_vtl; - u8 mbz0; - u16 mbz1; - struct hv_init_vp_context vp_context; -} __packed; - -struct hv_get_vp_from_apic_id_in { - u64 partition_id; - union hv_input_vtl target_vtl; - u8 res[7]; - u32 apic_ids[]; -} __packed; - -#include <asm-generic/hyperv-tlfs.h> - -#endif diff --git a/include/asm-generic/hyperv-tlfs.h b/include/asm-generic/hyperv-tlfs.h deleted file mode 100644 index 52274c9aefef..000000000000 --- a/include/asm-generic/hyperv-tlfs.h +++ /dev/null @@ -1,883 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ - -/* - * This file contains definitions from Hyper-V Hypervisor Top-Level Functional - * Specification (TLFS): - * https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/reference/tlfs - */ - -#ifndef _ASM_GENERIC_HYPERV_TLFS_H -#define _ASM_GENERIC_HYPERV_TLFS_H - -#include <linux/types.h> -#include <linux/bits.h> -#include <linux/time64.h> - -/* - * While not explicitly listed in the TLFS, Hyper-V always runs with a page size - * of 4096. These definitions are used when communicating with Hyper-V using - * guest physical pages and guest physical page addresses, since the guest page - * size may not be 4096 on all architectures. - */ -#define HV_HYP_PAGE_SHIFT 12 -#define HV_HYP_PAGE_SIZE BIT(HV_HYP_PAGE_SHIFT) -#define HV_HYP_PAGE_MASK (~(HV_HYP_PAGE_SIZE - 1)) - -/* - * Hyper-V provides two categories of flags relevant to guest VMs. The - * "Features" category indicates specific functionality that is available - * to guests on this particular instance of Hyper-V. The "Features" - * are presented in four groups, each of which is 32 bits. The group A - * and B definitions are common across architectures and are listed here. - * However, not all flags are relevant on all architectures. - * - * Groups C and D vary across architectures and are listed in the - * architecture specific portion of hyperv-tlfs.h. Some of these flags exist - * on multiple architectures, but the bit positions are different so they - * cannot appear in the generic portion of hyperv-tlfs.h. - * - * The "Enlightenments" category provides recommendations on whether to use - * specific enlightenments that are available. The Enlighenments are a single - * group of 32 bits, but they vary across architectures and are listed in - * the architecture specific portion of hyperv-tlfs.h. - */ - -/* - * Group A Features. - */ - -/* VP Runtime register available */ -#define HV_MSR_VP_RUNTIME_AVAILABLE BIT(0) -/* Partition Reference Counter available*/ -#define HV_MSR_TIME_REF_COUNT_AVAILABLE BIT(1) -/* Basic SynIC register available */ -#define HV_MSR_SYNIC_AVAILABLE BIT(2) -/* Synthetic Timer registers available */ -#define HV_MSR_SYNTIMER_AVAILABLE BIT(3) -/* Virtual APIC assist and VP assist page registers available */ -#define HV_MSR_APIC_ACCESS_AVAILABLE BIT(4) -/* Hypercall and Guest OS ID registers available*/ -#define HV_MSR_HYPERCALL_AVAILABLE BIT(5) -/* Access virtual processor index register available*/ -#define HV_MSR_VP_INDEX_AVAILABLE BIT(6) -/* Virtual system reset register available*/ -#define HV_MSR_RESET_AVAILABLE BIT(7) -/* Access statistics page registers available */ -#define HV_MSR_STAT_PAGES_AVAILABLE BIT(8) -/* Partition reference TSC register is available */ -#define HV_MSR_REFERENCE_TSC_AVAILABLE BIT(9) -/* Partition Guest IDLE register is available */ -#define HV_MSR_GUEST_IDLE_AVAILABLE BIT(10) -/* Partition local APIC and TSC frequency registers available */ -#define HV_ACCESS_FREQUENCY_MSRS BIT(11) -/* AccessReenlightenmentControls privilege */ -#define HV_ACCESS_REENLIGHTENMENT BIT(13) -/* AccessTscInvariantControls privilege */ -#define HV_ACCESS_TSC_INVARIANT BIT(15) - -/* - * Group B features. - */ -#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_ENABLE_EXTENDED_HYPERCALLS BIT(20) -#define HV_ISOLATION BIT(22) - -/* - * TSC page layout. - */ -struct ms_hyperv_tsc_page { - volatile u32 tsc_sequence; - u32 reserved1; - volatile u64 tsc_scale; - volatile s64 tsc_offset; -} __packed; - -union hv_reference_tsc_msr { - u64 as_uint64; - struct { - u64 enable:1; - u64 reserved:11; - u64 pfn:52; - } __packed; -}; - -/* - * The guest OS needs to register the guest ID with the hypervisor. - * The guest ID is a 64 bit entity and the structure of this ID is - * specified in the Hyper-V specification: - * - * msdn.microsoft.com/en-us/library/windows/hardware/ff542653%28v=vs.85%29.aspx - * - * While the current guideline does not specify how Linux guest ID(s) - * need to be generated, our plan is to publish the guidelines for - * Linux and other guest operating systems that currently are hosted - * on Hyper-V. The implementation here conforms to this yet - * unpublished guidelines. - * - * - * Bit(s) - * 63 - Indicates if the OS is Open Source or not; 1 is Open Source - * 62:56 - Os Type; Linux is 0x100 - * 55:48 - Distro specific identification - * 47:16 - Linux kernel version number - * 15:0 - Distro specific identification - * - * - */ - -#define HV_LINUX_VENDOR_ID 0x8100 - -/* - * Crash notification flags. - */ -#define HV_CRASH_CTL_CRASH_NOTIFY_MSG BIT_ULL(62) -#define HV_CRASH_CTL_CRASH_NOTIFY BIT_ULL(63) - -/* Declare the various hypercall operations. */ -#define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE 0x0002 -#define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST 0x0003 -#define HVCALL_ENABLE_VP_VTL 0x000f -#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_START_VP 0x0099 -#define HVCALL_GET_VP_ID_FROM_APIC_ID 0x009a -#define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_SPACE 0x00af -#define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_LIST 0x00b0 -#define HVCALL_MODIFY_SPARSE_GPA_PAGE_HOST_VISIBILITY 0x00db -#define HVCALL_MMIO_READ 0x0106 -#define HVCALL_MMIO_WRITE 0x0107 - -/* Extended hypercalls */ -#define HV_EXT_CALL_QUERY_CAPABILITIES 0x8001 -#define HV_EXT_CALL_MEMORY_HEAT_HINT 0x8003 - -#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) - -/* Extended capability bits */ -#define HV_EXT_CAPABILITY_MEMORY_COLD_DISCARD_HINT BIT(8) - -enum HV_GENERIC_SET_FORMAT { - HV_GENERIC_SET_SPARSE_4K, - HV_GENERIC_SET_ALL, -}; - -#define HV_PARTITION_ID_SELF ((u64)-1) -#define HV_VP_INDEX_SELF ((u32)-2) - -#define HV_HYPERCALL_RESULT_MASK GENMASK_ULL(15, 0) -#define HV_HYPERCALL_FAST_BIT BIT(16) -#define HV_HYPERCALL_VARHEAD_OFFSET 17 -#define HV_HYPERCALL_VARHEAD_MASK GENMASK_ULL(26, 17) -#define HV_HYPERCALL_RSVD0_MASK GENMASK_ULL(31, 27) -#define HV_HYPERCALL_NESTED BIT_ULL(31) -#define HV_HYPERCALL_REP_COMP_OFFSET 32 -#define HV_HYPERCALL_REP_COMP_1 BIT_ULL(32) -#define HV_HYPERCALL_REP_COMP_MASK GENMASK_ULL(43, 32) -#define HV_HYPERCALL_RSVD1_MASK GENMASK_ULL(47, 44) -#define HV_HYPERCALL_REP_START_OFFSET 48 -#define HV_HYPERCALL_REP_START_MASK GENMASK_ULL(59, 48) -#define HV_HYPERCALL_RSVD2_MASK GENMASK_ULL(63, 60) -#define HV_HYPERCALL_RSVD_MASK (HV_HYPERCALL_RSVD0_MASK | \ - HV_HYPERCALL_RSVD1_MASK | \ - HV_HYPERCALL_RSVD2_MASK) - -/* 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 -#define HV_STATUS_TIME_OUT 120 -#define HV_STATUS_VTL_ALREADY_ENABLED 134 - -/* - * The Hyper-V TimeRefCount register and the TSC - * page provide a guest VM clock with 100ns tick rate - */ -#define HV_CLOCK_HZ (NSEC_PER_SEC/100) - -/* Define the number of synthetic interrupt sources. */ -#define HV_SYNIC_SINT_COUNT (16) -/* Define the expected SynIC version. */ -#define HV_SYNIC_VERSION_1 (0x1) -/* Valid SynIC vectors are 16-255. */ -#define HV_SYNIC_FIRST_VALID_VECTOR (16) - -#define HV_SYNIC_CONTROL_ENABLE (1ULL << 0) -#define HV_SYNIC_SIMP_ENABLE (1ULL << 0) -#define HV_SYNIC_SIEFP_ENABLE (1ULL << 0) -#define HV_SYNIC_SINT_MASKED (1ULL << 16) -#define HV_SYNIC_SINT_AUTO_EOI (1ULL << 17) -#define HV_SYNIC_SINT_VECTOR_MASK (0xFF) - -#define HV_SYNIC_STIMER_COUNT (4) - -/* Define synthetic interrupt controller message constants. */ -#define HV_MESSAGE_SIZE (256) -#define HV_MESSAGE_PAYLOAD_BYTE_COUNT (240) -#define HV_MESSAGE_PAYLOAD_QWORD_COUNT (30) - -/* - * Define hypervisor message types. Some of the message types - * are x86/x64 specific, but there's no good way to separate - * them out into the arch-specific version of hyperv-tlfs.h - * because C doesn't provide a way to extend enum types. - * Keeping them all in the arch neutral hyperv-tlfs.h seems - * the least messy compromise. - */ -enum hv_message_type { - HVMSG_NONE = 0x00000000, - - /* Memory access messages. */ - HVMSG_UNMAPPED_GPA = 0x80000000, - HVMSG_GPA_INTERCEPT = 0x80000001, - - /* Timer notification messages. */ - HVMSG_TIMER_EXPIRED = 0x80000010, - - /* Error messages. */ - HVMSG_INVALID_VP_REGISTER_VALUE = 0x80000020, - HVMSG_UNRECOVERABLE_EXCEPTION = 0x80000021, - HVMSG_UNSUPPORTED_FEATURE = 0x80000022, - - /* Trace buffer complete messages. */ - HVMSG_EVENTLOG_BUFFERCOMPLETE = 0x80000040, - - /* Platform-specific processor intercept messages. */ - HVMSG_X64_IOPORT_INTERCEPT = 0x80010000, - HVMSG_X64_MSR_INTERCEPT = 0x80010001, - HVMSG_X64_CPUID_INTERCEPT = 0x80010002, - HVMSG_X64_EXCEPTION_INTERCEPT = 0x80010003, - HVMSG_X64_APIC_EOI = 0x80010004, - HVMSG_X64_LEGACY_FP_ERROR = 0x80010005 -}; - -/* Define synthetic interrupt controller message flags. */ -union hv_message_flags { - __u8 asu8; - struct { - __u8 msg_pending:1; - __u8 reserved:7; - } __packed; -}; - -/* Define port identifier type. */ -union hv_port_id { - __u32 asu32; - struct { - __u32 id:24; - __u32 reserved:8; - } __packed u; -}; - -/* Define synthetic interrupt controller message header. */ -struct hv_message_header { - __u32 message_type; - __u8 payload_size; - union hv_message_flags message_flags; - __u8 reserved[2]; - union { - __u64 sender; - union hv_port_id port; - }; -} __packed; - -/* Define synthetic interrupt controller message format. */ -struct hv_message { - struct hv_message_header header; - union { - __u64 payload[HV_MESSAGE_PAYLOAD_QWORD_COUNT]; - } u; -} __packed; - -/* Define the synthetic interrupt message page layout. */ -struct hv_message_page { - struct hv_message sint_message[HV_SYNIC_SINT_COUNT]; -} __packed; - -/* Define timer message payload structure. */ -struct hv_timer_message_payload { - __u32 timer_index; - __u32 reserved; - __u64 expiration_time; /* When the timer expired */ - __u64 delivery_time; /* When the message was delivered */ -} __packed; - - -/* Define synthetic interrupt controller flag constants. */ -#define HV_EVENT_FLAGS_COUNT (256 * 8) -#define HV_EVENT_FLAGS_LONG_COUNT (256 / sizeof(unsigned long)) - -/* - * Synthetic timer configuration. - */ -union hv_stimer_config { - u64 as_uint64; - struct { - u64 enable:1; - u64 periodic:1; - u64 lazy:1; - u64 auto_enable:1; - u64 apic_vector:8; - u64 direct_mode:1; - u64 reserved_z0:3; - u64 sintx:4; - u64 reserved_z1:44; - } __packed; -}; - - -/* Define the synthetic interrupt controller event flags format. */ -union hv_synic_event_flags { - unsigned long flags[HV_EVENT_FLAGS_LONG_COUNT]; -}; - -/* Define SynIC control register. */ -union hv_synic_scontrol { - u64 as_uint64; - struct { - u64 enable:1; - u64 reserved:63; - } __packed; -}; - -/* Define synthetic interrupt source. */ -union hv_synic_sint { - u64 as_uint64; - struct { - u64 vector:8; - u64 reserved1:8; - u64 masked:1; - u64 auto_eoi:1; - u64 polling:1; - u64 reserved2:45; - } __packed; -}; - -/* Define the format of the SIMP register */ -union hv_synic_simp { - u64 as_uint64; - struct { - u64 simp_enabled:1; - u64 preserved:11; - u64 base_simp_gpa:52; - } __packed; -}; - -/* Define the format of the SIEFP register */ -union hv_synic_siefp { - u64 as_uint64; - struct { - u64 siefp_enabled:1; - u64 preserved:11; - u64 base_siefp_gpa:52; - } __packed; -}; - -struct hv_vpset { - u64 format; - u64 valid_bank_mask; - u64 bank_contents[]; -} __packed; - -/* The maximum number of sparse vCPU banks which can be encoded by 'struct hv_vpset' */ -#define HV_MAX_SPARSE_VCPU_BANKS (64) -/* The number of vCPUs in one sparse bank */ -#define HV_VCPUS_PER_SPARSE_BANK (64) - -/* HvCallSendSyntheticClusterIpi hypercall */ -struct hv_send_ipi { - u32 vector; - u32 reserved; - u64 cpu_mask; -} __packed; - -/* HvCallSendSyntheticClusterIpiEx hypercall */ -struct hv_send_ipi_ex { - u32 vector; - u32 reserved; - struct hv_vpset vp_set; -} __packed; - -/* HvFlushGuestPhysicalAddressSpace hypercalls */ -struct hv_guest_mapping_flush { - u64 address_space; - u64 flags; -} __packed; - -/* - * HV_MAX_FLUSH_PAGES = "additional_pages" + 1. It's limited - * by the bitwidth of "additional_pages" in union hv_gpa_page_range. - */ -#define HV_MAX_FLUSH_PAGES (2048) -#define HV_GPA_PAGE_RANGE_PAGE_SIZE_2MB 0 -#define HV_GPA_PAGE_RANGE_PAGE_SIZE_1GB 1 - -/* HvFlushGuestPhysicalAddressList, HvExtCallMemoryHeatHint hypercall */ -union hv_gpa_page_range { - u64 address_space; - struct { - u64 additional_pages:11; - u64 largepage:1; - u64 basepfn:52; - } page; - struct { - u64 reserved:12; - u64 page_size:1; - u64 reserved1:8; - u64 base_large_pfn:43; - }; -}; - -/* - * All input flush parameters should be in single page. The max flush - * count is equal with how many entries of union hv_gpa_page_range can - * be populated into the input parameter page. - */ -#define HV_MAX_FLUSH_REP_COUNT ((HV_HYP_PAGE_SIZE - 2 * sizeof(u64)) / \ - sizeof(union hv_gpa_page_range)) - -struct hv_guest_mapping_flush_list { - u64 address_space; - u64 flags; - union hv_gpa_page_range gpa_list[HV_MAX_FLUSH_REP_COUNT]; -}; - -/* HvFlushVirtualAddressSpace, HvFlushVirtualAddressList hypercalls */ -struct hv_tlb_flush { - u64 address_space; - u64 flags; - u64 processor_mask; - u64 gva_list[]; -} __packed; - -/* HvFlushVirtualAddressSpaceEx, HvFlushVirtualAddressListEx hypercalls */ -struct hv_tlb_flush_ex { - u64 address_space; - u64 flags; - struct hv_vpset hv_vp_set; - u64 gva_list[]; -} __packed; - -/* HvGetPartitionId hypercall (output only) */ -struct hv_get_partition_id { - u64 partition_id; -} __packed; - -/* HvDepositMemory hypercall */ -struct hv_deposit_memory { - u64 partition_id; - u64 gpa_page_list[]; -} __packed; - -struct hv_proximity_domain_flags { - u32 proximity_preferred : 1; - u32 reserved : 30; - u32 proximity_info_valid : 1; -} __packed; - -struct hv_proximity_domain_info { - u32 domain_id; - struct hv_proximity_domain_flags flags; -} __packed; - -struct hv_lp_startup_status { - u64 hv_status; - u64 substatus1; - u64 substatus2; - u64 substatus3; - u64 substatus4; - u64 substatus5; - u64 substatus6; -} __packed; - -/* HvAddLogicalProcessor hypercall */ -struct hv_input_add_logical_processor { - u32 lp_index; - u32 apic_id; - struct hv_proximity_domain_info proximity_domain_info; -} __packed; - -struct hv_output_add_logical_processor { - struct hv_lp_startup_status startup_status; -} __packed; - -enum HV_SUBNODE_TYPE -{ - HvSubnodeAny = 0, - HvSubnodeSocket = 1, - HvSubnodeAmdNode = 2, - HvSubnodeL3 = 3, - HvSubnodeCount = 4, - HvSubnodeInvalid = -1 -}; - -/* HvCreateVp hypercall */ -struct hv_create_vp { - u64 partition_id; - u32 vp_index; - u8 padding[3]; - u8 subnode_type; - u64 subnode_id; - struct hv_proximity_domain_info proximity_domain_info; - u64 flags; -} __packed; - -enum hv_interrupt_source { - HV_INTERRUPT_SOURCE_MSI = 1, /* MSI and MSI-X */ - HV_INTERRUPT_SOURCE_IOAPIC, -}; - -union hv_ioapic_rte { - u64 as_uint64; - - struct { - u32 vector:8; - u32 delivery_mode:3; - u32 destination_mode:1; - u32 delivery_status:1; - u32 interrupt_polarity:1; - u32 remote_irr:1; - u32 trigger_mode:1; - u32 interrupt_mask:1; - u32 reserved1:15; - - u32 reserved2:24; - u32 destination_id:8; - }; - - struct { - u32 low_uint32; - u32 high_uint32; - }; -} __packed; - -struct hv_interrupt_entry { - u32 source; - u32 reserved1; - union { - union hv_msi_entry msi_entry; - union hv_ioapic_rte ioapic_rte; - }; -} __packed; - -/* - * flags for hv_device_interrupt_target.flags - */ -#define HV_DEVICE_INTERRUPT_TARGET_MULTICAST 1 -#define HV_DEVICE_INTERRUPT_TARGET_PROCESSOR_SET 2 - -struct hv_device_interrupt_target { - u32 vector; - u32 flags; - union { - u64 vp_mask; - struct hv_vpset vp_set; - }; -} __packed; - -struct hv_retarget_device_interrupt { - u64 partition_id; /* use "self" */ - u64 device_id; - struct hv_interrupt_entry int_entry; - u64 reserved2; - struct hv_device_interrupt_target int_target; -} __packed __aligned(8); - -/* - * These Hyper-V registers provide information equivalent to the CPUID - * instruction on x86/x64. - */ -#define HV_REGISTER_HYPERVISOR_VERSION 0x00000100 /*CPUID 0x40000002 */ -#define HV_REGISTER_FEATURES 0x00000200 /*CPUID 0x40000003 */ -#define HV_REGISTER_ENLIGHTENMENTS 0x00000201 /*CPUID 0x40000004 */ - -/* - * Synthetic register definitions equivalent to MSRs on x86/x64 - */ -#define HV_REGISTER_GUEST_CRASH_P0 0x00000210 -#define HV_REGISTER_GUEST_CRASH_P1 0x00000211 -#define HV_REGISTER_GUEST_CRASH_P2 0x00000212 -#define HV_REGISTER_GUEST_CRASH_P3 0x00000213 -#define HV_REGISTER_GUEST_CRASH_P4 0x00000214 -#define HV_REGISTER_GUEST_CRASH_CTL 0x00000215 - -#define HV_REGISTER_GUEST_OS_ID 0x00090002 -#define HV_REGISTER_VP_INDEX 0x00090003 -#define HV_REGISTER_TIME_REF_COUNT 0x00090004 -#define HV_REGISTER_REFERENCE_TSC 0x00090017 - -#define HV_REGISTER_SINT0 0x000A0000 -#define HV_REGISTER_SCONTROL 0x000A0010 -#define HV_REGISTER_SIEFP 0x000A0012 -#define HV_REGISTER_SIMP 0x000A0013 -#define HV_REGISTER_EOM 0x000A0014 - -#define HV_REGISTER_STIMER0_CONFIG 0x000B0000 -#define HV_REGISTER_STIMER0_COUNT 0x000B0001 - -/* HvGetVpRegisters hypercall input with variable size reg name list*/ -struct hv_get_vp_registers_input { - struct { - u64 partitionid; - u32 vpindex; - u8 inputvtl; - u8 padding[3]; - } header; - struct input { - u32 name0; - u32 name1; - } element[]; -} __packed; - -/* HvGetVpRegisters returns an array of these output elements */ -struct hv_get_vp_registers_output { - union { - struct { - u32 a; - u32 b; - u32 c; - u32 d; - } as32 __packed; - struct { - u64 low; - u64 high; - } as64 __packed; - }; -}; - -/* HvSetVpRegisters hypercall with variable size reg name/value list*/ -struct hv_set_vp_registers_input { - struct { - u64 partitionid; - u32 vpindex; - u8 inputvtl; - u8 padding[3]; - } header; - struct { - u32 name; - u32 padding1; - u64 padding2; - u64 valuelow; - u64 valuehigh; - } element[]; -} __packed; - -enum hv_device_type { - HV_DEVICE_TYPE_LOGICAL = 0, - HV_DEVICE_TYPE_PCI = 1, - HV_DEVICE_TYPE_IOAPIC = 2, - HV_DEVICE_TYPE_ACPI = 3, -}; - -typedef u16 hv_pci_rid; -typedef u16 hv_pci_segment; -typedef u64 hv_logical_device_id; -union hv_pci_bdf { - u16 as_uint16; - - struct { - u8 function:3; - u8 device:5; - u8 bus; - }; -} __packed; - -union hv_pci_bus_range { - u16 as_uint16; - - struct { - u8 subordinate_bus; - u8 secondary_bus; - }; -} __packed; - -union hv_device_id { - u64 as_uint64; - - struct { - u64 reserved0:62; - u64 device_type:2; - }; - - /* HV_DEVICE_TYPE_LOGICAL */ - struct { - u64 id:62; - u64 device_type:2; - } logical; - - /* HV_DEVICE_TYPE_PCI */ - struct { - union { - hv_pci_rid rid; - union hv_pci_bdf bdf; - }; - - hv_pci_segment segment; - union hv_pci_bus_range shadow_bus_range; - - u16 phantom_function_bits:2; - u16 source_shadow:1; - - u16 rsvdz0:11; - u16 device_type:2; - } pci; - - /* HV_DEVICE_TYPE_IOAPIC */ - struct { - u8 ioapic_id; - u8 rsvdz0; - u16 rsvdz1; - u16 rsvdz2; - - u16 rsvdz3:14; - u16 device_type:2; - } ioapic; - - /* HV_DEVICE_TYPE_ACPI */ - struct { - u32 input_mapping_base; - u32 input_mapping_count:30; - u32 device_type:2; - } acpi; -} __packed; - -enum hv_interrupt_trigger_mode { - HV_INTERRUPT_TRIGGER_MODE_EDGE = 0, - HV_INTERRUPT_TRIGGER_MODE_LEVEL = 1, -}; - -struct hv_device_interrupt_descriptor { - u32 interrupt_type; - u32 trigger_mode; - u32 vector_count; - u32 reserved; - struct hv_device_interrupt_target target; -} __packed; - -struct hv_input_map_device_interrupt { - u64 partition_id; - u64 device_id; - u64 flags; - struct hv_interrupt_entry logical_interrupt_entry; - struct hv_device_interrupt_descriptor interrupt_descriptor; -} __packed; - -struct hv_output_map_device_interrupt { - struct hv_interrupt_entry interrupt_entry; -} __packed; - -struct hv_input_unmap_device_interrupt { - u64 partition_id; - u64 device_id; - struct hv_interrupt_entry interrupt_entry; -} __packed; - -#define HV_SOURCE_SHADOW_NONE 0x0 -#define HV_SOURCE_SHADOW_BRIDGE_BUS_RANGE 0x1 - -/* - * Version info reported by hypervisor - */ -union hv_hypervisor_version_info { - struct { - u32 build_number; - - u32 minor_version : 16; - u32 major_version : 16; - - u32 service_pack; - - u32 service_number : 24; - u32 service_branch : 8; - }; - struct { - u32 eax; - u32 ebx; - u32 ecx; - u32 edx; - }; -}; - -/* - * The whole argument should fit in a page to be able to pass to the hypervisor - * in one hypercall. - */ -#define HV_MEMORY_HINT_MAX_GPA_PAGE_RANGES \ - ((HV_HYP_PAGE_SIZE - sizeof(struct hv_memory_hint)) / \ - sizeof(union hv_gpa_page_range)) - -/* HvExtCallMemoryHeatHint hypercall */ -#define HV_EXT_MEMORY_HEAT_HINT_TYPE_COLD_DISCARD 2 -struct hv_memory_hint { - u64 type:2; - u64 reserved:62; - union hv_gpa_page_range ranges[]; -} __packed; - -/* Data structures for HVCALL_MMIO_READ and HVCALL_MMIO_WRITE */ -#define HV_HYPERCALL_MMIO_MAX_DATA_LENGTH 64 - -struct hv_mmio_read_input { - u64 gpa; - u32 size; - u32 reserved; -} __packed; - -struct hv_mmio_read_output { - u8 data[HV_HYPERCALL_MMIO_MAX_DATA_LENGTH]; -} __packed; - -struct hv_mmio_write_input { - u64 gpa; - u32 size; - u32 reserved; - u8 data[HV_HYPERCALL_MMIO_MAX_DATA_LENGTH]; -} __packed; - -/* Define connection identifier type. */ -union hv_connection_id { - u32 asu32; - struct { - u32 id:24; - u32 reserved:8; - } u; -}; - -#endif -- 2.34.1
