1 files changed, 0 insertions, 874 deletions
diff --git a/include/asm-generic/hyperv-tlfs.h b/include/asm-generic/hyperv-tlfs.h
deleted file mode 100644
index 814207e7c37f..000000000000
--- a/include/asm-generic/hyperv-tlfs.h
+++ /dev/null
@@ -1,874 +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;
-
-#endif