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diff --git a/include/asm-generic/hyperv-tlfs.h b/include/asm-generic/hyperv-tlfs.h
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-/* 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_POWER_MANAGEMENT BIT(12)
-
-
-/*
- * TSC page layout.
- */
-struct ms_hyperv_tsc_page {
- volatile u32 tsc_sequence;
- u32 reserved1;
- volatile u64 tsc_scale;
- volatile s64 tsc_offset;
-} __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_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_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_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)
-
-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_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_REP_START_OFFSET 48
-#define HV_HYPERCALL_REP_START_MASK GENMASK_ULL(59, 48)
-
-/* 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_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
-
-/*
- * 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 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;
-
-/* 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)
-
-/* HvFlushGuestPhysicalAddressList hypercall */
-union hv_gpa_page_range {
- u64 address_space;
- struct {
- u64 additional_pages:11;
- u64 largepage:1;
- u64 basepfn:52;
- } page;
-};
-
-/*
- * 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;
-
-/* HvRetargetDeviceInterrupt hypercall */
-union hv_msi_entry {
- u64 as_uint64;
- struct {
- u32 address;
- u32 data;
- } __packed;
-};
-
-struct hv_interrupt_entry {
- u32 source; /* 1 for MSI(-X) */
- u32 reserved1;
- union hv_msi_entry msi_entry;
-} __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);
-
-
-/* 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;
-
-#endif
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