FM / asm-generic

/usr/src/linux-headers-5.15.0-190/include/asm-generic/

/usr/src/linux-headers-5.15.0-190/include/asm-generic

Name	Size	Mode	Actions
bitops/	-	0755	rm
vdso/	-	0755	rm
asm-offsets.h	35	0644	edit dl rm
asm-prototypes.h	507	0644	edit dl rm
atomic.h	3569	0644	edit dl rm
atomic64.h	2549	0644	edit dl rm
audit_change_attr.h	529	0644	edit dl rm
audit_dir_write.h	528	0644	edit dl rm
audit_read.h	337	0644	edit dl rm
audit_signal.h	36	0644	edit dl rm
audit_write.h	461	0644	edit dl rm
barrier.h	6518	0644	edit dl rm
bitops.h	1197	0644	edit dl rm
bitsperlong.h	1207	0644	edit dl rm
bug.h	6939	0644	edit dl rm
cache.h	384	0644	edit dl rm
cacheflush.h	2401	0644	edit dl rm
checksum.h	1634	0644	edit dl rm
cmpxchg-local.h	1464	0644	edit dl rm
cmpxchg.h	2440	0644	edit dl rm
compat.h	1190	0644	edit dl rm
current.h	256	0644	edit dl rm
delay.h	1157	0644	edit dl rm
device.h	245	0644	edit dl rm
div64.h	7437	0644	edit dl rm
dma-mapping.h	248	0644	edit dl rm
dma.h	553	0644	edit dl rm
early_ioremap.h	1501	0644	edit dl rm
emergency-restart.h	248	0644	edit dl rm
error-injection.h	1162	0644	edit dl rm
exec.h	460	0644	edit dl rm
export.h	2344	0644	edit dl rm
extable.h	802	0644	edit dl rm
fb.h	271	0644	edit dl rm
fixmap.h	2932	0644	edit dl rm
flat.h	610	0644	edit dl rm
ftrace.h	314	0644	edit dl rm
futex.h	2669	0644	edit dl rm
getorder.h	1262	0644	edit dl rm
gpio.h	4537	0644	edit dl rm
hardirq.h	568	0644	edit dl rm
hugetlb.h	3030	0644	edit dl rm
hw_irq.h	270	0644	edit dl rm
hyperv-tlfs.h	19828	0644	edit dl rm
ide_iops.h	791	0644	edit dl rm
int-ll64.h	863	0644	edit dl rm
io.h	23436	0644	edit dl rm
ioctl.h	506	0644	edit dl rm
iomap.h	4019	0644	edit dl rm
irq.h	403	0644	edit dl rm
irqflags.h	1543	0644	edit dl rm
irq_regs.h	773	0644	edit dl rm
irq_work.h	194	0644	edit dl rm
Kbuild	1643	0644	edit dl rm
kdebug.h	182	0644	edit dl rm
kmap_size.h	263	0644	edit dl rm
kprobes.h	833	0644	edit dl rm
kvm_para.h	549	0644	edit dl rm
kvm_types.h	113	0644	edit dl rm
linkage.h	225	0644	edit dl rm
local.h	2282	0644	edit dl rm
local64.h	3887	0644	edit dl rm
logic_io.h	2402	0644	edit dl rm
mcs_spinlock.h	260	0644	edit dl rm
memory_model.h	1441	0644	edit dl rm
mmiowb.h	1764	0644	edit dl rm
mmiowb_types.h	249	0644	edit dl rm
mmu.h	449	0644	edit dl rm
mmu_context.h	1654	0644	edit dl rm
mm_hooks.h	753	0644	edit dl rm
module.h	1118	0644	edit dl rm
module.lds.h	278	0644	edit dl rm
mshyperv.h	7727	0644	edit dl rm
msi.h	1053	0644	edit dl rm
nommu_context.h	420	0644	edit dl rm
numa.h	1642	0644	edit dl rm
page.h	2351	0644	edit dl rm
param.h	367	0644	edit dl rm
parport.h	604	0644	edit dl rm
pci.h	401	0644	edit dl rm
pci_iomap.h	1920	0644	edit dl rm
percpu.h	12957	0644	edit dl rm
pgalloc.h	4747	0644	edit dl rm
pgtable-nop4d.h	1758	0644	edit dl rm
pgtable-nopmd.h	1980	0644	edit dl rm
pgtable-nopud.h	1995	0644	edit dl rm
pgtable_uffd.h	1052	0644	edit dl rm
preempt.h	1995	0644	edit dl rm
qrwlock.h	3859	0644	edit dl rm
qrwlock_types.h	682	0644	edit dl rm
qspinlock.h	3354	0644	edit dl rm
qspinlock_types.h	2134	0644	edit dl rm
resource.h	1100	0644	edit dl rm
rwonce.h	2932	0644	edit dl rm
seccomp.h	1187	0644	edit dl rm
sections.h	6104	0644	edit dl rm
serial.h	345	0644	edit dl rm
set_memory.h	362	0644	edit dl rm
shmparam.h	207	0644	edit dl rm
signal.h	308	0644	edit dl rm
simd.h	436	0644	edit dl rm
softirq_stack.h	286	0644	edit dl rm
spinlock.h	329	0644	edit dl rm
statfs.h	169	0644	edit dl rm
string.h	281	0644	edit dl rm
switch_to.h	755	0644	edit dl rm
syscall.h	5735	0644	edit dl rm
syscalls.h	739	0644	edit dl rm
termios-base.h	2164	0644	edit dl rm
termios.h	2877	0644	edit dl rm
timex.h	508	0644	edit dl rm
tlb.h	21693	0644	edit dl rm
tlbflush.h	485	0644	edit dl rm
topology.h	2219	0644	edit dl rm
trace_clock.h	391	0644	edit dl rm
uaccess.h	6508	0644	edit dl rm
unaligned.h	2886	0644	edit dl rm
user.h	242	0644	edit dl rm
vermagic.h	179	0644	edit dl rm
vga.h	587	0644	edit dl rm
vmlinux.lds.h	32881	0644	edit dl rm
vtime.h	52	0644	edit dl rm
word-at-a-time.h	2826	0644	edit dl rm
xor.h	13560	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/include/asm-generic/hyperv-tlfs.h (19828B)

/* 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;

/*
 * 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_PARTITION_ID			0x0046
#define HVCALL_DEPOSIT_MEMORY			0x0048
#define HVCALL_CREATE_VP			0x004e
#define HVCALL_GET_VP_REGISTERS			0x0050
#define HVCALL_SET_VP_REGISTERS			0x0051
#define HVCALL_POST_MESSAGE			0x005c
#define HVCALL_SIGNAL_EVENT			0x005d
#define HVCALL_POST_DEBUG_DATA			0x0069
#define HVCALL_RETRIEVE_DEBUG_DATA		0x006a
#define HVCALL_RESET_DEBUG_SESSION		0x006b
#define HVCALL_ADD_LOGICAL_PROCESSOR		0x0076
#define HVCALL_MAP_DEVICE_INTERRUPT		0x007c
#define HVCALL_UNMAP_DEVICE_INTERRUPT		0x007d
#define HVCALL_RETARGET_INTERRUPT		0x007e
#define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_SPACE 0x00af
#define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_LIST 0x00b0

/* Extended hypercalls */
#define HV_EXT_CALL_QUERY_CAPABILITIES		0x8001
#define HV_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_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_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

/*
 * 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;

/* 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;

/* Not a union in windows but useful for zeroing */
union hv_proximity_domain_info {
	struct {
		u32 domain_id;
		struct hv_proximity_domain_flags flags;
	};
	u64 as_uint64;
} __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_add_logical_processor_in {
	u32 lp_index;
	u32 apic_id;
	union hv_proximity_domain_info proximity_domain_info;
	u64 flags;
} __packed;

struct hv_add_logical_processor_out {
	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;
	union 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_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;
};

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);

/* 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

/*
 * 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;

#endif

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