/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef __LINUX_KVM_H
#define __LINUX_KVM_H

/*
 * Userspace interface for /dev/kvm - kernel based virtual machine
 *
 * Note: you must update KVM_API_VERSION if you change this interface.
 */

#include <linux/const.h>
#include <linux/types.h>
#include <linux/compiler.h>
#include <linux/ioctl.h>
#include <asm/kvm.h>

#ifdef __KERNEL__
#include <linux/kvm_types.h>
#endif

#define KVM_API_VERSION 12

/*
 * Backwards-compatible definitions.
 */
#define __KVM_HAVE_GUEST_DEBUG

/* for KVM_SET_USER_MEMORY_REGION */
struct kvm_userspace_memory_region {
        __u32 slot;
        __u32 flags;
        __u64 guest_phys_addr;
        __u64 memory_size; /* bytes */
        __u64 userspace_addr; /* start of the userspace allocated memory */
};

/* for KVM_SET_USER_MEMORY_REGION2 */
struct kvm_userspace_memory_region2 {
        __u32 slot;
        __u32 flags;
        __u64 guest_phys_addr;
        __u64 memory_size;
        __u64 userspace_addr;
        __u64 guest_memfd_offset;
        __u32 guest_memfd;
        __u32 pad1;
        __u64 pad2[14];
};

/*
 * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for
 * userspace, other bits are reserved for kvm internal use which are defined
 * in include/linux/kvm_host.h.
 */
#define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
#define KVM_MEM_READONLY        (1UL << 1)
#define KVM_MEM_GUEST_MEMFD     (1UL << 2)

/* for KVM_IRQ_LINE */
struct kvm_irq_level {
        /*
         * ACPI gsi notion of irq.
         * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
         * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
         * For ARM: See Documentation/virt/kvm/api.rst
         */
        union {
                __u32 irq;
                __s32 status;
        };
        __u32 level;
};


struct kvm_irqchip {
        __u32 chip_id;
        __u32 pad;
        union {
                char dummy[512];  /* reserving space */
#ifdef __KVM_HAVE_PIT
                struct kvm_pic_state pic;
#endif
#ifdef __KVM_HAVE_IOAPIC
                struct kvm_ioapic_state ioapic;
#endif
        } chip;
};

/* for KVM_CREATE_PIT2 */
struct kvm_pit_config {
        __u32 flags;
        __u32 pad[15];
};

#define KVM_PIT_SPEAKER_DUMMY     1

struct kvm_hyperv_exit {
#define KVM_EXIT_HYPERV_SYNIC          1
#define KVM_EXIT_HYPERV_HCALL          2
#define KVM_EXIT_HYPERV_SYNDBG         3
        __u32 type;
        __u32 pad1;
        union {
                struct {
                        __u32 msr;
                        __u32 pad2;
                        __u64 control;
                        __u64 evt_page;
                        __u64 msg_page;
                } synic;
                struct {
                        __u64 input;
                        __u64 result;
                        __u64 params[2];
                } hcall;
                struct {
                        __u32 msr;
                        __u32 pad2;
                        __u64 control;
                        __u64 status;
                        __u64 send_page;
                        __u64 recv_page;
                        __u64 pending_page;
                } syndbg;
        } u;
};

struct kvm_xen_exit {
#define KVM_EXIT_XEN_HCALL          1
        __u32 type;
        union {
                struct {
                        __u32 longmode;
                        __u32 cpl;
                        __u64 input;
                        __u64 result;
                        __u64 params[6];
                } hcall;
        } u;
};

struct kvm_exit_snp_req_certs {
        __u64 gpa;
        __u64 npages;
        __u64 ret;
};

#define KVM_S390_GET_SKEYS_NONE   1
#define KVM_S390_SKEYS_MAX        1048576

#define KVM_EXIT_UNKNOWN          0
#define KVM_EXIT_EXCEPTION        1
#define KVM_EXIT_IO               2
#define KVM_EXIT_HYPERCALL        3
#define KVM_EXIT_DEBUG            4
#define KVM_EXIT_HLT              5
#define KVM_EXIT_MMIO             6
#define KVM_EXIT_IRQ_WINDOW_OPEN  7
#define KVM_EXIT_SHUTDOWN         8
#define KVM_EXIT_FAIL_ENTRY       9
#define KVM_EXIT_INTR             10
#define KVM_EXIT_SET_TPR          11
#define KVM_EXIT_TPR_ACCESS       12
#define KVM_EXIT_S390_SIEIC       13
#define KVM_EXIT_S390_RESET       14
#define KVM_EXIT_DCR              15 /* deprecated */
#define KVM_EXIT_NMI              16
#define KVM_EXIT_INTERNAL_ERROR   17
#define KVM_EXIT_OSI              18
#define KVM_EXIT_PAPR_HCALL       19
#define KVM_EXIT_S390_UCONTROL    20
#define KVM_EXIT_WATCHDOG         21
#define KVM_EXIT_S390_TSCH        22
#define KVM_EXIT_EPR              23
#define KVM_EXIT_SYSTEM_EVENT     24
#define KVM_EXIT_S390_STSI        25
#define KVM_EXIT_IOAPIC_EOI       26
#define KVM_EXIT_HYPERV           27
#define KVM_EXIT_ARM_NISV         28
#define KVM_EXIT_X86_RDMSR        29
#define KVM_EXIT_X86_WRMSR        30
#define KVM_EXIT_DIRTY_RING_FULL  31
#define KVM_EXIT_AP_RESET_HOLD    32
#define KVM_EXIT_X86_BUS_LOCK     33
#define KVM_EXIT_XEN              34
#define KVM_EXIT_RISCV_SBI        35
#define KVM_EXIT_RISCV_CSR        36
#define KVM_EXIT_NOTIFY           37
#define KVM_EXIT_LOONGARCH_IOCSR  38
#define KVM_EXIT_MEMORY_FAULT     39
#define KVM_EXIT_TDX              40
#define KVM_EXIT_ARM_SEA          41
#define KVM_EXIT_ARM_LDST64B      42
#define KVM_EXIT_SNP_REQ_CERTS    43

/* For KVM_EXIT_INTERNAL_ERROR */
/* Emulate instruction failed. */
#define KVM_INTERNAL_ERROR_EMULATION    1
/* Encounter unexpected simultaneous exceptions. */
#define KVM_INTERNAL_ERROR_SIMUL_EX     2
/* Encounter unexpected vm-exit due to delivery event. */
#define KVM_INTERNAL_ERROR_DELIVERY_EV  3
/* Encounter unexpected vm-exit reason */
#define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON       4

/* Flags that describe what fields in emulation_failure hold valid data. */
#define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)

/*
 * struct kvm_run can be modified by userspace at any time, so KVM must be
 * careful to avoid TOCTOU bugs. In order to protect KVM, HINT_UNSAFE_IN_KVM()
 * renames fields in struct kvm_run from <symbol> to <symbol>__unsafe when
 * compiled into the kernel, ensuring that any use within KVM is obvious and
 * gets extra scrutiny.
 */
#ifdef __KERNEL__
#define HINT_UNSAFE_IN_KVM(_symbol) _symbol##__unsafe
#else
#define HINT_UNSAFE_IN_KVM(_symbol) _symbol
#endif

/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
struct kvm_run {
        /* in */
        __u8 request_interrupt_window;
        __u8 HINT_UNSAFE_IN_KVM(immediate_exit);
        __u8 padding1[6];

        /* out */
        __u32 exit_reason;
        __u8 ready_for_interrupt_injection;
        __u8 if_flag;
        __u16 flags;

        /* in (pre_kvm_run), out (post_kvm_run) */
        __u64 cr8;
        __u64 apic_base;

#ifdef __KVM_S390
        /* the processor status word for s390 */
        __u64 psw_mask; /* psw upper half */
        __u64 psw_addr; /* psw lower half */
#endif
        union {
                /* KVM_EXIT_UNKNOWN */
                struct {
                        __u64 hardware_exit_reason;
                } hw;
                /* KVM_EXIT_FAIL_ENTRY */
                struct {
                        __u64 hardware_entry_failure_reason;
                        __u32 cpu;
                } fail_entry;
                /* KVM_EXIT_EXCEPTION */
                struct {
                        __u32 exception;
                        __u32 error_code;
                } ex;
                /* KVM_EXIT_IO */
                struct {
#define KVM_EXIT_IO_IN  0
#define KVM_EXIT_IO_OUT 1
                        __u8 direction;
                        __u8 size; /* bytes */
                        __u16 port;
                        __u32 count;
                        __u64 data_offset; /* relative to kvm_run start */
                } io;
                /* KVM_EXIT_DEBUG */
                struct {
                        struct kvm_debug_exit_arch arch;
                } debug;
                /* KVM_EXIT_MMIO */
                struct {
                        __u64 phys_addr;
                        __u8  data[8];
                        __u32 len;
                        __u8  is_write;
                } mmio;
                /* KVM_EXIT_LOONGARCH_IOCSR */
                struct {
                        __u64 phys_addr;
                        __u8  data[8];
                        __u32 len;
                        __u8  is_write;
                } iocsr_io;
                /* KVM_EXIT_HYPERCALL */
                struct {
                        __u64 nr;
                        __u64 args[6];
                        __u64 ret;

                        union {
#ifndef __KERNEL__
                                __u32 longmode;
#endif
                                __u64 flags;
                        };
                } hypercall;
                /* KVM_EXIT_TPR_ACCESS */
                struct {
                        __u64 rip;
                        __u32 is_write;
                        __u32 pad;
                } tpr_access;
                /* KVM_EXIT_S390_SIEIC */
                struct {
                        __u8 icptcode;
                        __u16 ipa;
                        __u32 ipb;
                } s390_sieic;
                /* KVM_EXIT_S390_RESET */
                __u64 s390_reset_flags;
                /* KVM_EXIT_S390_UCONTROL */
                struct {
                        __u64 trans_exc_code;
                        __u32 pgm_code;
                } s390_ucontrol;
                /* KVM_EXIT_DCR (deprecated) */
                struct {
                        __u32 dcrn;
                        __u32 data;
                        __u8  is_write;
                } dcr;
                /* KVM_EXIT_INTERNAL_ERROR */
                struct {
                        __u32 suberror;
                        /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
                        __u32 ndata;
                        __u64 data[16];
                } internal;
                /*
                 * KVM_INTERNAL_ERROR_EMULATION
                 *
                 * "struct emulation_failure" is an overlay of "struct internal"
                 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
                 * KVM_EXIT_INTERNAL_ERROR.  Note, unlike other internal error
                 * sub-types, this struct is ABI!  It also needs to be backwards
                 * compatible with "struct internal".  Take special care that
                 * "ndata" is correct, that new fields are enumerated in "flags",
                 * and that each flag enumerates fields that are 64-bit aligned
                 * and sized (so that ndata+internal.data[] is valid/accurate).
                 *
                 * Space beyond the defined fields may be used to store arbitrary
                 * debug information relating to the emulation failure. It is
                 * accounted for in "ndata" but the format is unspecified and is
                 * not represented in "flags". Any such information is *not* ABI!
                 */
                struct {
                        __u32 suberror;
                        __u32 ndata;
                        __u64 flags;
                        union {
                                struct {
                                        __u8  insn_size;
                                        __u8  insn_bytes[15];
                                };
                        };
                        /* Arbitrary debug data may follow. */
                } emulation_failure;
                /* KVM_EXIT_OSI */
                struct {
                        __u64 gprs[32];
                } osi;
                /* KVM_EXIT_PAPR_HCALL */
                struct {
                        __u64 nr;
                        __u64 ret;
                        __u64 args[9];
                } papr_hcall;
                /* KVM_EXIT_S390_TSCH */
                struct {
                        __u16 subchannel_id;
                        __u16 subchannel_nr;
                        __u32 io_int_parm;
                        __u32 io_int_word;
                        __u32 ipb;
                        __u8 dequeued;
                } s390_tsch;
                /* KVM_EXIT_EPR */
                struct {
                        __u32 epr;
                } epr;
                /* KVM_EXIT_SYSTEM_EVENT */
                struct {
#define KVM_SYSTEM_EVENT_SHUTDOWN       1
#define KVM_SYSTEM_EVENT_RESET          2
#define KVM_SYSTEM_EVENT_CRASH          3
#define KVM_SYSTEM_EVENT_WAKEUP         4
#define KVM_SYSTEM_EVENT_SUSPEND        5
#define KVM_SYSTEM_EVENT_SEV_TERM       6
#define KVM_SYSTEM_EVENT_TDX_FATAL      7
                        __u32 type;
                        __u32 ndata;
                        union {
#ifndef __KERNEL__
                                __u64 flags;
#endif
                                __u64 data[16];
                        };
                } system_event;
                /* KVM_EXIT_S390_STSI */
                struct {
                        __u64 addr;
                        __u8 ar;
                        __u8 reserved;
                        __u8 fc;
                        __u8 sel1;
                        __u16 sel2;
                } s390_stsi;
                /* KVM_EXIT_IOAPIC_EOI */
                struct {
                        __u8 vector;
                } eoi;
                /* KVM_EXIT_HYPERV */
                struct kvm_hyperv_exit hyperv;
                /* KVM_EXIT_ARM_NISV / KVM_EXIT_ARM_LDST64B */
                struct {
                        __u64 esr_iss;
                        __u64 fault_ipa;
                } arm_nisv;
                /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
                struct {
                        __u8 error; /* user -> kernel */
                        __u8 pad[7];
#define KVM_MSR_EXIT_REASON_INVAL       (1 << 0)
#define KVM_MSR_EXIT_REASON_UNKNOWN     (1 << 1)
#define KVM_MSR_EXIT_REASON_FILTER      (1 << 2)
#define KVM_MSR_EXIT_REASON_VALID_MASK  (KVM_MSR_EXIT_REASON_INVAL   |  \
                                         KVM_MSR_EXIT_REASON_UNKNOWN |  \
                                         KVM_MSR_EXIT_REASON_FILTER)
                        __u32 reason; /* kernel -> user */
                        __u32 index; /* kernel -> user */
                        __u64 data; /* kernel <-> user */
                } msr;
                /* KVM_EXIT_XEN */
                struct kvm_xen_exit xen;
                /* KVM_EXIT_RISCV_SBI */
                struct {
                        unsigned long extension_id;
                        unsigned long function_id;
                        unsigned long args[6];
                        unsigned long ret[2];
                } riscv_sbi;
                /* KVM_EXIT_RISCV_CSR */
                struct {
                        unsigned long csr_num;
                        unsigned long new_value;
                        unsigned long write_mask;
                        unsigned long ret_value;
                } riscv_csr;
                /* KVM_EXIT_NOTIFY */
                struct {
#define KVM_NOTIFY_CONTEXT_INVALID      (1 << 0)
                        __u32 flags;
                } notify;
                /* KVM_EXIT_MEMORY_FAULT */
                struct {
#define KVM_MEMORY_EXIT_FLAG_PRIVATE    (1ULL << 3)
                        __u64 flags;
                        __u64 gpa;
                        __u64 size;
                } memory_fault;
                /* KVM_EXIT_TDX */
                struct {
                        __u64 flags;
                        __u64 nr;
                        union {
                                struct {
                                        __u64 ret;
                                        __u64 data[5];
                                } unknown;
                                struct {
                                        __u64 ret;
                                        __u64 gpa;
                                        __u64 size;
                                } get_quote;
                                struct {
                                        __u64 ret;
                                        __u64 leaf;
                                        __u64 r11, r12, r13, r14;
                                } get_tdvmcall_info;
                                struct {
                                        __u64 ret;
                                        __u64 vector;
                                } setup_event_notify;
                        };
                } tdx;
                /* KVM_EXIT_ARM_SEA */
                struct {
#define KVM_EXIT_ARM_SEA_FLAG_GPA_VALID (1ULL << 0)
                        __u64 flags;
                        __u64 esr;
                        __u64 gva;
                        __u64 gpa;
                } arm_sea;
                /* KVM_EXIT_SNP_REQ_CERTS */
                struct kvm_exit_snp_req_certs snp_req_certs;
                /* Fix the size of the union. */
                char padding[256];
        };

        /* 2048 is the size of the char array used to bound/pad the size
         * of the union that holds sync regs.
         */
        #define SYNC_REGS_SIZE_BYTES 2048
        /*
         * shared registers between kvm and userspace.
         * kvm_valid_regs specifies the register classes set by the host
         * kvm_dirty_regs specified the register classes dirtied by userspace
         * struct kvm_sync_regs is architecture specific, as well as the
         * bits for kvm_valid_regs and kvm_dirty_regs
         */
        __u64 kvm_valid_regs;
        __u64 kvm_dirty_regs;
        union {
                struct kvm_sync_regs regs;
                char padding[SYNC_REGS_SIZE_BYTES];
        } s;
};

/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */

struct kvm_coalesced_mmio_zone {
        __u64 addr;
        __u32 size;
        union {
                __u32 pad;
                __u32 pio;
        };
};

struct kvm_coalesced_mmio {
        __u64 phys_addr;
        __u32 len;
        union {
                __u32 pad;
                __u32 pio;
        };
        __u8  data[8];
};

struct kvm_coalesced_mmio_ring {
        __u32 first, last;
        struct kvm_coalesced_mmio coalesced_mmio[];
};

#define KVM_COALESCED_MMIO_MAX \
        ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
         sizeof(struct kvm_coalesced_mmio))

/* for KVM_TRANSLATE */
struct kvm_translation {
        /* in */
        __u64 linear_address;

        /* out */
        __u64 physical_address;
        __u8  valid;
        __u8  writeable;
        __u8  usermode;
        __u8  pad[5];
};

/* for KVM_INTERRUPT */
struct kvm_interrupt {
        /* in */
        __u32 irq;
};

/* for KVM_GET_DIRTY_LOG */
struct kvm_dirty_log {
        __u32 slot;
        __u32 padding1;
        union {
                void __user *dirty_bitmap; /* one bit per page */
                __u64 padding2;
        };
};

/* for KVM_CLEAR_DIRTY_LOG */
struct kvm_clear_dirty_log {
        __u32 slot;
        __u32 num_pages;
        __u64 first_page;
        union {
                void __user *dirty_bitmap; /* one bit per page */
                __u64 padding2;
        };
};

/* for KVM_SET_SIGNAL_MASK */
struct kvm_signal_mask {
        __u32 len;
        __u8  sigset[];
};

/* for KVM_TPR_ACCESS_REPORTING */
struct kvm_tpr_access_ctl {
        __u32 enabled;
        __u32 flags;
        __u32 reserved[8];
};

/* for KVM_SET_VAPIC_ADDR */
struct kvm_vapic_addr {
        __u64 vapic_addr;
};

/* for KVM_SET_MP_STATE */

/* not all states are valid on all architectures */
#define KVM_MP_STATE_RUNNABLE          0
#define KVM_MP_STATE_UNINITIALIZED     1
#define KVM_MP_STATE_INIT_RECEIVED     2
#define KVM_MP_STATE_HALTED            3
#define KVM_MP_STATE_SIPI_RECEIVED     4
#define KVM_MP_STATE_STOPPED           5
#define KVM_MP_STATE_CHECK_STOP        6
#define KVM_MP_STATE_OPERATING         7
#define KVM_MP_STATE_LOAD              8
#define KVM_MP_STATE_AP_RESET_HOLD     9
#define KVM_MP_STATE_SUSPENDED         10

struct kvm_mp_state {
        __u32 mp_state;
};

/* for KVM_SET_GUEST_DEBUG */

#define KVM_GUESTDBG_ENABLE             0x00000001
#define KVM_GUESTDBG_SINGLESTEP         0x00000002

struct kvm_guest_debug {
        __u32 control;
        __u32 pad;
        struct kvm_guest_debug_arch arch;
};

enum {
        kvm_ioeventfd_flag_nr_datamatch,
        kvm_ioeventfd_flag_nr_pio,
        kvm_ioeventfd_flag_nr_deassign,
        kvm_ioeventfd_flag_nr_virtio_ccw_notify,
        kvm_ioeventfd_flag_nr_fast_mmio,
        kvm_ioeventfd_flag_nr_max,
};

#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
#define KVM_IOEVENTFD_FLAG_PIO       (1 << kvm_ioeventfd_flag_nr_pio)
#define KVM_IOEVENTFD_FLAG_DEASSIGN  (1 << kvm_ioeventfd_flag_nr_deassign)
#define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
        (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)

#define KVM_IOEVENTFD_VALID_FLAG_MASK  ((1 << kvm_ioeventfd_flag_nr_max) - 1)

struct kvm_ioeventfd {
        __u64 datamatch;
        __u64 addr;        /* legal pio/mmio address */
        __u32 len;         /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
        __s32 fd;
        __u32 flags;
        __u8  pad[36];
};

#define KVM_X86_DISABLE_EXITS_MWAIT          (1 << 0)
#define KVM_X86_DISABLE_EXITS_HLT            (1 << 1)
#define KVM_X86_DISABLE_EXITS_PAUSE          (1 << 2)
#define KVM_X86_DISABLE_EXITS_CSTATE         (1 << 3)
#define KVM_X86_DISABLE_EXITS_APERFMPERF     (1 << 4)

/* for KVM_ENABLE_CAP */
struct kvm_enable_cap {
        /* in */
        __u32 cap;
        __u32 flags;
        __u64 args[4];
        __u8  pad[64];
};

#define KVMIO 0xAE

/* machine type bits, to be used as argument to KVM_CREATE_VM */
#define KVM_VM_S390_UCONTROL    1

/* on ppc, 0 indicate default, 1 should force HV and 2 PR */
#define KVM_VM_PPC_HV 1
#define KVM_VM_PPC_PR 2

/* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
#define KVM_VM_MIPS_AUTO        0
#define KVM_VM_MIPS_VZ          1
#define KVM_VM_MIPS_TE          2

#define KVM_S390_SIE_PAGE_OFFSET 1

/*
 * On arm64, machine type can be used to request the physical
 * address size for the VM. Bits[7-0] are reserved for the guest
 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
 * value 0 implies the default IPA size, 40bits.
 */
#define KVM_VM_TYPE_ARM_IPA_SIZE_MASK   0xffULL
#define KVM_VM_TYPE_ARM_IPA_SIZE(x)             \
        ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
/*
 * ioctls for /dev/kvm fds:
 */
#define KVM_GET_API_VERSION       _IO(KVMIO,   0x00)
#define KVM_CREATE_VM             _IO(KVMIO,   0x01) /* returns a VM fd */
#define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 0x02, struct kvm_msr_list)

#define KVM_S390_ENABLE_SIE       _IO(KVMIO,   0x06)
/*
 * Check if a kvm extension is available.  Argument is extension number,
 * return is 1 (yes) or 0 (no, sorry).
 */
#define KVM_CHECK_EXTENSION       _IO(KVMIO,   0x03)
/*
 * Get size for mmap(vcpu_fd)
 */
#define KVM_GET_VCPU_MMAP_SIZE    _IO(KVMIO,   0x04) /* in bytes */
#define KVM_GET_SUPPORTED_CPUID   _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
#define KVM_GET_EMULATED_CPUID    _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
#define KVM_GET_MSR_FEATURE_INDEX_LIST    _IOWR(KVMIO, 0x0a, struct kvm_msr_list)

/*
 * Extension capability list.
 */
#define KVM_CAP_IRQCHIP   0
#define KVM_CAP_HLT       1
#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
#define KVM_CAP_USER_MEMORY 3
#define KVM_CAP_SET_TSS_ADDR 4
#define KVM_CAP_VAPIC 6
#define KVM_CAP_EXT_CPUID 7
#define KVM_CAP_CLOCKSOURCE 8
#define KVM_CAP_NR_VCPUS 9       /* returns recommended max vcpus per vm */
#define KVM_CAP_NR_MEMSLOTS 10   /* returns max memory slots per vm */
#define KVM_CAP_PIT 11
#define KVM_CAP_NOP_IO_DELAY 12
#define KVM_CAP_PV_MMU 13
#define KVM_CAP_MP_STATE 14
#define KVM_CAP_COALESCED_MMIO 15
#define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected in guest */
#define KVM_CAP_IOMMU 18
/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
#define KVM_CAP_USER_NMI 22
#define KVM_CAP_SET_GUEST_DEBUG 23
#ifdef __KVM_HAVE_PIT
#define KVM_CAP_REINJECT_CONTROL 24
#endif
#define KVM_CAP_IRQ_ROUTING 25
#define KVM_CAP_IRQ_INJECT_STATUS 26
#define KVM_CAP_ASSIGN_DEV_IRQ 29
/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
#ifdef __KVM_HAVE_MCE
#define KVM_CAP_MCE 31
#endif
#define KVM_CAP_IRQFD 32
#ifdef __KVM_HAVE_PIT
#define KVM_CAP_PIT2 33
#endif
#define KVM_CAP_SET_BOOT_CPU_ID 34
#ifdef __KVM_HAVE_PIT_STATE2
#define KVM_CAP_PIT_STATE2 35
#endif
#define KVM_CAP_IOEVENTFD 36
#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
#ifdef __KVM_HAVE_XEN_HVM
#define KVM_CAP_XEN_HVM 38
#endif
#define KVM_CAP_ADJUST_CLOCK 39
#define KVM_CAP_INTERNAL_ERROR_DATA 40
#ifdef __KVM_HAVE_VCPU_EVENTS
#define KVM_CAP_VCPU_EVENTS 41
#endif
#define KVM_CAP_S390_PSW 42
#define KVM_CAP_PPC_SEGSTATE 43
#define KVM_CAP_HYPERV 44
#define KVM_CAP_HYPERV_VAPIC 45
#define KVM_CAP_HYPERV_SPIN 46
#define KVM_CAP_PCI_SEGMENT 47
#define KVM_CAP_PPC_PAIRED_SINGLES 48
#define KVM_CAP_INTR_SHADOW 49
#ifdef __KVM_HAVE_DEBUGREGS
#define KVM_CAP_DEBUGREGS 50
#endif
#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
#define KVM_CAP_PPC_OSI 52
#define KVM_CAP_PPC_UNSET_IRQ 53
#define KVM_CAP_ENABLE_CAP 54
#ifdef __KVM_HAVE_XSAVE
#define KVM_CAP_XSAVE 55
#endif
#ifdef __KVM_HAVE_XCRS
#define KVM_CAP_XCRS 56
#endif
#define KVM_CAP_PPC_GET_PVINFO 57
#define KVM_CAP_PPC_IRQ_LEVEL 58
#define KVM_CAP_ASYNC_PF 59
#define KVM_CAP_TSC_CONTROL 60
#define KVM_CAP_GET_TSC_KHZ 61
#define KVM_CAP_PPC_BOOKE_SREGS 62
#define KVM_CAP_SPAPR_TCE 63
#define KVM_CAP_PPC_SMT 64
#define KVM_CAP_PPC_RMA 65
#define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
#define KVM_CAP_PPC_HIOR 67
#define KVM_CAP_PPC_PAPR 68
#define KVM_CAP_SW_TLB 69
#define KVM_CAP_ONE_REG 70
#define KVM_CAP_S390_GMAP 71
#define KVM_CAP_TSC_DEADLINE_TIMER 72
#define KVM_CAP_S390_UCONTROL 73
#define KVM_CAP_SYNC_REGS 74
#define KVM_CAP_PCI_2_3 75
#define KVM_CAP_KVMCLOCK_CTRL 76
#define KVM_CAP_SIGNAL_MSI 77
#define KVM_CAP_PPC_GET_SMMU_INFO 78
#define KVM_CAP_S390_COW 79
#define KVM_CAP_PPC_ALLOC_HTAB 80
#define KVM_CAP_READONLY_MEM 81
#define KVM_CAP_IRQFD_RESAMPLE 82
#define KVM_CAP_PPC_BOOKE_WATCHDOG 83
#define KVM_CAP_PPC_HTAB_FD 84
#define KVM_CAP_S390_CSS_SUPPORT 85
#define KVM_CAP_PPC_EPR 86
#define KVM_CAP_ARM_PSCI 87
#define KVM_CAP_ARM_SET_DEVICE_ADDR 88
#define KVM_CAP_DEVICE_CTRL 89
#define KVM_CAP_IRQ_MPIC 90
#define KVM_CAP_PPC_RTAS 91
#define KVM_CAP_IRQ_XICS 92
#define KVM_CAP_ARM_EL1_32BIT 93
#define KVM_CAP_SPAPR_MULTITCE 94
#define KVM_CAP_EXT_EMUL_CPUID 95
#define KVM_CAP_HYPERV_TIME 96
#define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
#define KVM_CAP_ENABLE_CAP_VM 98
#define KVM_CAP_S390_IRQCHIP 99
#define KVM_CAP_IOEVENTFD_NO_LENGTH 100
#define KVM_CAP_VM_ATTRIBUTES 101
#define KVM_CAP_ARM_PSCI_0_2 102
#define KVM_CAP_PPC_FIXUP_HCALL 103
#define KVM_CAP_PPC_ENABLE_HCALL 104
#define KVM_CAP_CHECK_EXTENSION_VM 105
#define KVM_CAP_S390_USER_SIGP 106
#define KVM_CAP_S390_VECTOR_REGISTERS 107
#define KVM_CAP_S390_MEM_OP 108
#define KVM_CAP_S390_USER_STSI 109
#define KVM_CAP_S390_SKEYS 110
#define KVM_CAP_MIPS_FPU 111
#define KVM_CAP_MIPS_MSA 112
#define KVM_CAP_S390_INJECT_IRQ 113
#define KVM_CAP_S390_IRQ_STATE 114
#define KVM_CAP_PPC_HWRNG 115
#define KVM_CAP_DISABLE_QUIRKS 116
#define KVM_CAP_X86_SMM 117
#define KVM_CAP_MULTI_ADDRESS_SPACE 118
#define KVM_CAP_GUEST_DEBUG_HW_BPS 119
#define KVM_CAP_GUEST_DEBUG_HW_WPS 120
#define KVM_CAP_SPLIT_IRQCHIP 121
#define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
#define KVM_CAP_HYPERV_SYNIC 123
#define KVM_CAP_S390_RI 124
#define KVM_CAP_SPAPR_TCE_64 125
#define KVM_CAP_ARM_PMU_V3 126
#define KVM_CAP_VCPU_ATTRIBUTES 127
#define KVM_CAP_MAX_VCPU_ID 128
#define KVM_CAP_X2APIC_API 129
#define KVM_CAP_S390_USER_INSTR0 130
#define KVM_CAP_MSI_DEVID 131
#define KVM_CAP_PPC_HTM 132
#define KVM_CAP_SPAPR_RESIZE_HPT 133
#define KVM_CAP_PPC_MMU_RADIX 134
#define KVM_CAP_PPC_MMU_HASH_V3 135
#define KVM_CAP_IMMEDIATE_EXIT 136
#define KVM_CAP_MIPS_VZ 137
#define KVM_CAP_MIPS_TE 138
#define KVM_CAP_MIPS_64BIT 139
#define KVM_CAP_S390_GS 140
#define KVM_CAP_S390_AIS 141
#define KVM_CAP_SPAPR_TCE_VFIO 142
#define KVM_CAP_X86_DISABLE_EXITS 143
#define KVM_CAP_ARM_USER_IRQ 144
#define KVM_CAP_S390_CMMA_MIGRATION 145
#define KVM_CAP_PPC_FWNMI 146
#define KVM_CAP_PPC_SMT_POSSIBLE 147
#define KVM_CAP_HYPERV_SYNIC2 148
#define KVM_CAP_HYPERV_VP_INDEX 149
#define KVM_CAP_S390_AIS_MIGRATION 150
#define KVM_CAP_PPC_GET_CPU_CHAR 151
#define KVM_CAP_S390_BPB 152
#define KVM_CAP_GET_MSR_FEATURES 153
#define KVM_CAP_HYPERV_EVENTFD 154
#define KVM_CAP_HYPERV_TLBFLUSH 155
#define KVM_CAP_S390_HPAGE_1M 156
#define KVM_CAP_NESTED_STATE 157
#define KVM_CAP_ARM_INJECT_SERROR_ESR 158
#define KVM_CAP_MSR_PLATFORM_INFO 159
#define KVM_CAP_PPC_NESTED_HV 160
#define KVM_CAP_HYPERV_SEND_IPI 161
#define KVM_CAP_COALESCED_PIO 162
#define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
#define KVM_CAP_EXCEPTION_PAYLOAD 164
#define KVM_CAP_ARM_VM_IPA_SIZE 165
#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
#define KVM_CAP_HYPERV_CPUID 167
#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
#define KVM_CAP_PPC_IRQ_XIVE 169
#define KVM_CAP_ARM_SVE 170
#define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
#define KVM_CAP_ARM_PTRAUTH_GENERIC 172
#define KVM_CAP_PMU_EVENT_FILTER 173
#define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
#define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
#define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
#define KVM_CAP_ARM_NISV_TO_USER 177
#define KVM_CAP_ARM_INJECT_EXT_DABT 178
#define KVM_CAP_S390_VCPU_RESETS 179
#define KVM_CAP_S390_PROTECTED 180
#define KVM_CAP_PPC_SECURE_GUEST 181
#define KVM_CAP_HALT_POLL 182
#define KVM_CAP_ASYNC_PF_INT 183
#define KVM_CAP_LAST_CPU 184
#define KVM_CAP_SMALLER_MAXPHYADDR 185
#define KVM_CAP_S390_DIAG318 186
#define KVM_CAP_STEAL_TIME 187
#define KVM_CAP_X86_USER_SPACE_MSR 188
#define KVM_CAP_X86_MSR_FILTER 189
#define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
#define KVM_CAP_SYS_HYPERV_CPUID 191
#define KVM_CAP_DIRTY_LOG_RING 192
#define KVM_CAP_X86_BUS_LOCK_EXIT 193
#define KVM_CAP_PPC_DAWR1 194
#define KVM_CAP_SET_GUEST_DEBUG2 195
#define KVM_CAP_SGX_ATTRIBUTE 196
#define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
#define KVM_CAP_PTP_KVM 198
#define KVM_CAP_HYPERV_ENFORCE_CPUID 199
#define KVM_CAP_SREGS2 200
#define KVM_CAP_EXIT_HYPERCALL 201
#define KVM_CAP_PPC_RPT_INVALIDATE 202
#define KVM_CAP_BINARY_STATS_FD 203
#define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
#define KVM_CAP_ARM_MTE 205
#define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
#define KVM_CAP_VM_GPA_BITS 207
#define KVM_CAP_XSAVE2 208
#define KVM_CAP_SYS_ATTRIBUTES 209
#define KVM_CAP_PPC_AIL_MODE_3 210
#define KVM_CAP_S390_MEM_OP_EXTENSION 211
#define KVM_CAP_PMU_CAPABILITY 212
#define KVM_CAP_DISABLE_QUIRKS2 213
#define KVM_CAP_VM_TSC_CONTROL 214
#define KVM_CAP_SYSTEM_EVENT_DATA 215
#define KVM_CAP_ARM_SYSTEM_SUSPEND 216
#define KVM_CAP_S390_PROTECTED_DUMP 217
#define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218
#define KVM_CAP_X86_NOTIFY_VMEXIT 219
#define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220
#define KVM_CAP_S390_ZPCI_OP 221
#define KVM_CAP_S390_CPU_TOPOLOGY 222
#define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223
#define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224
#define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225
#define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226
#define KVM_CAP_COUNTER_OFFSET 227
#define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228
#define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229
#define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230
#define KVM_CAP_USER_MEMORY2 231
#define KVM_CAP_MEMORY_FAULT_INFO 232
#define KVM_CAP_MEMORY_ATTRIBUTES 233
#define KVM_CAP_GUEST_MEMFD 234
#define KVM_CAP_VM_TYPES 235
#define KVM_CAP_PRE_FAULT_MEMORY 236
#define KVM_CAP_X86_APIC_BUS_CYCLES_NS 237
#define KVM_CAP_X86_GUEST_MODE 238
#define KVM_CAP_ARM_WRITABLE_IMP_ID_REGS 239
#define KVM_CAP_ARM_EL2 240
#define KVM_CAP_ARM_EL2_E2H0 241
#define KVM_CAP_RISCV_MP_STATE_RESET 242
#define KVM_CAP_ARM_CACHEABLE_PFNMAP_SUPPORTED 243
#define KVM_CAP_GUEST_MEMFD_FLAGS 244
#define KVM_CAP_ARM_SEA_TO_USER 245
#define KVM_CAP_S390_USER_OPEREXEC 246
#define KVM_CAP_S390_KEYOP 247

struct kvm_irq_routing_irqchip {
        __u32 irqchip;
        __u32 pin;
};

struct kvm_irq_routing_msi {
        __u32 address_lo;
        __u32 address_hi;
        __u32 data;
        union {
                __u32 pad;
                __u32 devid;
        };
};

struct kvm_irq_routing_s390_adapter {
        __u64 ind_addr;
        __u64 summary_addr;
        __u64 ind_offset;
        __u32 summary_offset;
        __u32 adapter_id;
};

struct kvm_irq_routing_hv_sint {
        __u32 vcpu;
        __u32 sint;
};

struct kvm_irq_routing_xen_evtchn {
        __u32 port;
        __u32 vcpu;
        __u32 priority;
};

#define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))

/* gsi routing entry types */
#define KVM_IRQ_ROUTING_IRQCHIP 1
#define KVM_IRQ_ROUTING_MSI 2
#define KVM_IRQ_ROUTING_S390_ADAPTER 3
#define KVM_IRQ_ROUTING_HV_SINT 4
#define KVM_IRQ_ROUTING_XEN_EVTCHN 5

struct kvm_irq_routing_entry {
        __u32 gsi;
        __u32 type;
        __u32 flags;
        __u32 pad;
        union {
                struct kvm_irq_routing_irqchip irqchip;
                struct kvm_irq_routing_msi msi;
                struct kvm_irq_routing_s390_adapter adapter;
                struct kvm_irq_routing_hv_sint hv_sint;
                struct kvm_irq_routing_xen_evtchn xen_evtchn;
                __u32 pad[8];
        } u;
};

struct kvm_irq_routing {
        __u32 nr;
        __u32 flags;
        struct kvm_irq_routing_entry entries[];
};

#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
/*
 * Available with KVM_CAP_IRQFD_RESAMPLE
 *
 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
 * the irqfd to operate in resampling mode for level triggered interrupt
 * emulation.  See Documentation/virt/kvm/api.rst.
 */
#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)

struct kvm_irqfd {
        __u32 fd;
        __u32 gsi;
        __u32 flags;
        __u32 resamplefd;
        __u8  pad[16];
};

/* For KVM_CAP_ADJUST_CLOCK */

/* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags.  */
#define KVM_CLOCK_TSC_STABLE            2
#define KVM_CLOCK_REALTIME              (1 << 2)
#define KVM_CLOCK_HOST_TSC              (1 << 3)

struct kvm_clock_data {
        __u64 clock;
        __u32 flags;
        __u32 pad0;
        __u64 realtime;
        __u64 host_tsc;
        __u32 pad[4];
};

/* For KVM_CAP_SW_TLB */

#define KVM_MMU_FSL_BOOKE_NOHV          0
#define KVM_MMU_FSL_BOOKE_HV            1

struct kvm_config_tlb {
        __u64 params;
        __u64 array;
        __u32 mmu_type;
        __u32 array_len;
};

struct kvm_dirty_tlb {
        __u64 bitmap;
        __u32 num_dirty;
};

/* Available with KVM_CAP_ONE_REG */

#define KVM_REG_ARCH_MASK       0xff00000000000000ULL
#define KVM_REG_GENERIC         0x0000000000000000ULL

/*
 * Architecture specific registers are to be defined in arch headers and
 * ORed with the arch identifier.
 */
#define KVM_REG_PPC             0x1000000000000000ULL
#define KVM_REG_X86             0x2000000000000000ULL
#define KVM_REG_IA64            0x3000000000000000ULL
#define KVM_REG_ARM             0x4000000000000000ULL
#define KVM_REG_S390            0x5000000000000000ULL
#define KVM_REG_ARM64           0x6000000000000000ULL
#define KVM_REG_MIPS            0x7000000000000000ULL
#define KVM_REG_RISCV           0x8000000000000000ULL
#define KVM_REG_LOONGARCH       0x9000000000000000ULL

#define KVM_REG_SIZE_SHIFT      52
#define KVM_REG_SIZE_MASK       0x00f0000000000000ULL

#define KVM_REG_SIZE(id)                \
        (1U << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT))

#define KVM_REG_SIZE_U8         0x0000000000000000ULL
#define KVM_REG_SIZE_U16        0x0010000000000000ULL
#define KVM_REG_SIZE_U32        0x0020000000000000ULL
#define KVM_REG_SIZE_U64        0x0030000000000000ULL
#define KVM_REG_SIZE_U128       0x0040000000000000ULL
#define KVM_REG_SIZE_U256       0x0050000000000000ULL
#define KVM_REG_SIZE_U512       0x0060000000000000ULL
#define KVM_REG_SIZE_U1024      0x0070000000000000ULL
#define KVM_REG_SIZE_U2048      0x0080000000000000ULL

struct kvm_reg_list {
        __u64 n; /* number of regs */
        __u64 reg[];
};

struct kvm_one_reg {
        __u64 id;
        __u64 addr;
};

#define KVM_MSI_VALID_DEVID     (1U << 0)
struct kvm_msi {
        __u32 address_lo;
        __u32 address_hi;
        __u32 data;
        __u32 flags;
        __u32 devid;
        __u8  pad[12];
};

struct kvm_arm_device_addr {
        __u64 id;
        __u64 addr;
};

/*
 * Device control API, available with KVM_CAP_DEVICE_CTRL
 */
#define KVM_CREATE_DEVICE_TEST          1

struct kvm_create_device {
        __u32   type;   /* in: KVM_DEV_TYPE_xxx */
        __u32   fd;     /* out: device handle */
        __u32   flags;  /* in: KVM_CREATE_DEVICE_xxx */
};

struct kvm_device_attr {
        __u32   flags;          /* no flags currently defined */
        __u32   group;          /* device-defined */
        __u64   attr;           /* group-defined */
        __u64   addr;           /* userspace address of attr data */
};

#define  KVM_DEV_VFIO_FILE                      1

#define   KVM_DEV_VFIO_FILE_ADD                 1
#define   KVM_DEV_VFIO_FILE_DEL                 2

/* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */
#define  KVM_DEV_VFIO_GROUP     KVM_DEV_VFIO_FILE

#define   KVM_DEV_VFIO_GROUP_ADD        KVM_DEV_VFIO_FILE_ADD
#define   KVM_DEV_VFIO_GROUP_DEL        KVM_DEV_VFIO_FILE_DEL
#define   KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE              3

enum kvm_device_type {
        KVM_DEV_TYPE_FSL_MPIC_20        = 1,
#define KVM_DEV_TYPE_FSL_MPIC_20        KVM_DEV_TYPE_FSL_MPIC_20
        KVM_DEV_TYPE_FSL_MPIC_42,
#define KVM_DEV_TYPE_FSL_MPIC_42        KVM_DEV_TYPE_FSL_MPIC_42
        KVM_DEV_TYPE_XICS,
#define KVM_DEV_TYPE_XICS               KVM_DEV_TYPE_XICS
        KVM_DEV_TYPE_VFIO,
#define KVM_DEV_TYPE_VFIO               KVM_DEV_TYPE_VFIO
        KVM_DEV_TYPE_ARM_VGIC_V2,
#define KVM_DEV_TYPE_ARM_VGIC_V2        KVM_DEV_TYPE_ARM_VGIC_V2
        KVM_DEV_TYPE_FLIC,
#define KVM_DEV_TYPE_FLIC               KVM_DEV_TYPE_FLIC
        KVM_DEV_TYPE_ARM_VGIC_V3,
#define KVM_DEV_TYPE_ARM_VGIC_V3        KVM_DEV_TYPE_ARM_VGIC_V3
        KVM_DEV_TYPE_ARM_VGIC_ITS,
#define KVM_DEV_TYPE_ARM_VGIC_ITS       KVM_DEV_TYPE_ARM_VGIC_ITS
        KVM_DEV_TYPE_XIVE,
#define KVM_DEV_TYPE_XIVE               KVM_DEV_TYPE_XIVE
        KVM_DEV_TYPE_ARM_PV_TIME,
#define KVM_DEV_TYPE_ARM_PV_TIME        KVM_DEV_TYPE_ARM_PV_TIME
        KVM_DEV_TYPE_RISCV_AIA,
#define KVM_DEV_TYPE_RISCV_AIA          KVM_DEV_TYPE_RISCV_AIA
        KVM_DEV_TYPE_LOONGARCH_IPI,
#define KVM_DEV_TYPE_LOONGARCH_IPI      KVM_DEV_TYPE_LOONGARCH_IPI
        KVM_DEV_TYPE_LOONGARCH_EIOINTC,
#define KVM_DEV_TYPE_LOONGARCH_EIOINTC  KVM_DEV_TYPE_LOONGARCH_EIOINTC
        KVM_DEV_TYPE_LOONGARCH_PCHPIC,
#define KVM_DEV_TYPE_LOONGARCH_PCHPIC   KVM_DEV_TYPE_LOONGARCH_PCHPIC

        KVM_DEV_TYPE_MAX,

};

struct kvm_vfio_spapr_tce {
        __s32   groupfd;
        __s32   tablefd;
};

#define KVM_S390_KEYOP_ISKE 0x01
#define KVM_S390_KEYOP_RRBE 0x02
#define KVM_S390_KEYOP_SSKE 0x03
struct kvm_s390_keyop {
        __u64 guest_addr;
        __u8  key;
        __u8  operation;
        __u8  pad[6];
};

/*
 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
 * a vcpu fd.
 */
#define KVM_CREATE_VCPU           _IO(KVMIO,   0x41)
#define KVM_GET_DIRTY_LOG         _IOW(KVMIO,  0x42, struct kvm_dirty_log)
#define KVM_SET_NR_MMU_PAGES      _IO(KVMIO,   0x44)
#define KVM_GET_NR_MMU_PAGES      _IO(KVMIO,   0x45)  /* deprecated */
#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
                                        struct kvm_userspace_memory_region)
#define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
#define KVM_SET_USER_MEMORY_REGION2 _IOW(KVMIO, 0x49, \
                                         struct kvm_userspace_memory_region2)

/* enable ucontrol for s390 */
#define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
#define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
#define KVM_S390_VCPU_FAULT      _IOW(KVMIO, 0x52, unsigned long)
#define KVM_S390_KEYOP           _IOWR(KVMIO, 0x53, struct kvm_s390_keyop)

/* Device model IOC */
#define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
#define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
#define KVM_GET_IRQCHIP           _IOWR(KVMIO, 0x62, struct kvm_irqchip)
#define KVM_SET_IRQCHIP           _IOR(KVMIO,  0x63, struct kvm_irqchip)
#define KVM_CREATE_PIT            _IO(KVMIO,   0x64)
#define KVM_GET_PIT               _IOWR(KVMIO, 0x65, struct kvm_pit_state)
#define KVM_SET_PIT               _IOR(KVMIO,  0x66, struct kvm_pit_state)
#define KVM_IRQ_LINE_STATUS       _IOWR(KVMIO, 0x67, struct kvm_irq_level)
#define KVM_REGISTER_COALESCED_MMIO \
                        _IOW(KVMIO,  0x67, struct kvm_coalesced_mmio_zone)
#define KVM_UNREGISTER_COALESCED_MMIO \
                        _IOW(KVMIO,  0x68, struct kvm_coalesced_mmio_zone)
#define KVM_SET_GSI_ROUTING       _IOW(KVMIO,  0x6a, struct kvm_irq_routing)
#define KVM_REINJECT_CONTROL      _IO(KVMIO,   0x71)
#define KVM_IRQFD                 _IOW(KVMIO,  0x76, struct kvm_irqfd)
#define KVM_CREATE_PIT2           _IOW(KVMIO,  0x77, struct kvm_pit_config)
#define KVM_SET_BOOT_CPU_ID       _IO(KVMIO,   0x78)
#define KVM_IOEVENTFD             _IOW(KVMIO,  0x79, struct kvm_ioeventfd)
#define KVM_XEN_HVM_CONFIG        _IOW(KVMIO,  0x7a, struct kvm_xen_hvm_config)
#define KVM_SET_CLOCK             _IOW(KVMIO,  0x7b, struct kvm_clock_data)
#define KVM_GET_CLOCK             _IOR(KVMIO,  0x7c, struct kvm_clock_data)
/* Available with KVM_CAP_PIT_STATE2 */
#define KVM_GET_PIT2              _IOR(KVMIO,  0x9f, struct kvm_pit_state2)
#define KVM_SET_PIT2              _IOW(KVMIO,  0xa0, struct kvm_pit_state2)
/* Available with KVM_CAP_PPC_GET_PVINFO */
#define KVM_PPC_GET_PVINFO        _IOW(KVMIO,  0xa1, struct kvm_ppc_pvinfo)
/* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with
*  KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */
#define KVM_SET_TSC_KHZ           _IO(KVMIO,  0xa2)
#define KVM_GET_TSC_KHZ           _IO(KVMIO,  0xa3)
/* Available with KVM_CAP_SIGNAL_MSI */
#define KVM_SIGNAL_MSI            _IOW(KVMIO,  0xa5, struct kvm_msi)
/* Available with KVM_CAP_PPC_GET_SMMU_INFO */
#define KVM_PPC_GET_SMMU_INFO     _IOR(KVMIO,  0xa6, struct kvm_ppc_smmu_info)
/* Available with KVM_CAP_PPC_ALLOC_HTAB */
#define KVM_PPC_ALLOCATE_HTAB     _IOWR(KVMIO, 0xa7, __u32)
#define KVM_CREATE_SPAPR_TCE      _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
#define KVM_CREATE_SPAPR_TCE_64   _IOW(KVMIO,  0xa8, \
                                       struct kvm_create_spapr_tce_64)
/* Available with KVM_CAP_RMA */
#define KVM_ALLOCATE_RMA          _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
/* Available with KVM_CAP_PPC_HTAB_FD */
#define KVM_PPC_GET_HTAB_FD       _IOW(KVMIO,  0xaa, struct kvm_get_htab_fd)
/* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
#define KVM_ARM_SET_DEVICE_ADDR   _IOW(KVMIO,  0xab, struct kvm_arm_device_addr)
/* Available with KVM_CAP_PPC_RTAS */
#define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO,  0xac, struct kvm_rtas_token_args)
/* Available with KVM_CAP_SPAPR_RESIZE_HPT */
#define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
#define KVM_PPC_RESIZE_HPT_COMMIT  _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
/* Available with KVM_CAP_PPC_MMU_RADIX or KVM_CAP_PPC_MMU_HASH_V3 */
#define KVM_PPC_CONFIGURE_V3_MMU  _IOW(KVMIO,  0xaf, struct kvm_ppc_mmuv3_cfg)
/* Available with KVM_CAP_PPC_MMU_RADIX */
#define KVM_PPC_GET_RMMU_INFO     _IOW(KVMIO,  0xb0, struct kvm_ppc_rmmu_info)
/* Available with KVM_CAP_PPC_GET_CPU_CHAR */
#define KVM_PPC_GET_CPU_CHAR      _IOR(KVMIO,  0xb1, struct kvm_ppc_cpu_char)
/* Available with KVM_CAP_PMU_EVENT_FILTER */
#define KVM_SET_PMU_EVENT_FILTER  _IOW(KVMIO,  0xb2, struct kvm_pmu_event_filter)
#define KVM_PPC_SVM_OFF           _IO(KVMIO,  0xb3)
#define KVM_ARM_MTE_COPY_TAGS     _IOR(KVMIO,  0xb4, struct kvm_arm_copy_mte_tags)
/* Available with KVM_CAP_COUNTER_OFFSET */
#define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO,  0xb5, struct kvm_arm_counter_offset)
#define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO,  0xb6, struct reg_mask_range)

/* ioctl for vm fd */
#define KVM_CREATE_DEVICE         _IOWR(KVMIO,  0xe0, struct kvm_create_device)

/* ioctls for fds returned by KVM_CREATE_DEVICE */
#define KVM_SET_DEVICE_ATTR       _IOW(KVMIO,  0xe1, struct kvm_device_attr)
#define KVM_GET_DEVICE_ATTR       _IOW(KVMIO,  0xe2, struct kvm_device_attr)
#define KVM_HAS_DEVICE_ATTR       _IOW(KVMIO,  0xe3, struct kvm_device_attr)

/*
 * ioctls for vcpu fds
 */
#define KVM_RUN                   _IO(KVMIO,   0x80)
#define KVM_GET_REGS              _IOR(KVMIO,  0x81, struct kvm_regs)
#define KVM_SET_REGS              _IOW(KVMIO,  0x82, struct kvm_regs)
#define KVM_GET_SREGS             _IOR(KVMIO,  0x83, struct kvm_sregs)
#define KVM_SET_SREGS             _IOW(KVMIO,  0x84, struct kvm_sregs)
#define KVM_TRANSLATE             _IOWR(KVMIO, 0x85, struct kvm_translation)
#define KVM_INTERRUPT             _IOW(KVMIO,  0x86, struct kvm_interrupt)
#define KVM_GET_MSRS              _IOWR(KVMIO, 0x88, struct kvm_msrs)
#define KVM_SET_MSRS              _IOW(KVMIO,  0x89, struct kvm_msrs)
#define KVM_SET_CPUID             _IOW(KVMIO,  0x8a, struct kvm_cpuid)
#define KVM_SET_SIGNAL_MASK       _IOW(KVMIO,  0x8b, struct kvm_signal_mask)
#define KVM_GET_FPU               _IOR(KVMIO,  0x8c, struct kvm_fpu)
#define KVM_SET_FPU               _IOW(KVMIO,  0x8d, struct kvm_fpu)
#define KVM_GET_LAPIC             _IOR(KVMIO,  0x8e, struct kvm_lapic_state)
#define KVM_SET_LAPIC             _IOW(KVMIO,  0x8f, struct kvm_lapic_state)
#define KVM_SET_CPUID2            _IOW(KVMIO,  0x90, struct kvm_cpuid2)
#define KVM_GET_CPUID2            _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
/* Available with KVM_CAP_VAPIC */
#define KVM_TPR_ACCESS_REPORTING  _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
/* Available with KVM_CAP_VAPIC */
#define KVM_SET_VAPIC_ADDR        _IOW(KVMIO,  0x93, struct kvm_vapic_addr)
/* valid for virtual machine (for floating interrupt)_and_ vcpu */
#define KVM_S390_INTERRUPT        _IOW(KVMIO,  0x94, struct kvm_s390_interrupt)
/* store status for s390 */
#define KVM_S390_STORE_STATUS_NOADDR    (-1ul)
#define KVM_S390_STORE_STATUS_PREFIXED  (-2ul)
#define KVM_S390_STORE_STATUS     _IOW(KVMIO,  0x95, unsigned long)
/* initial ipl psw for s390 */
#define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
/* initial reset for s390 */
#define KVM_S390_INITIAL_RESET    _IO(KVMIO,   0x97)
#define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
#define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
/* Available with KVM_CAP_USER_NMI */
#define KVM_NMI                   _IO(KVMIO,   0x9a)
/* Available with KVM_CAP_SET_GUEST_DEBUG */
#define KVM_SET_GUEST_DEBUG       _IOW(KVMIO,  0x9b, struct kvm_guest_debug)
/* MCE for x86 */
#define KVM_X86_SETUP_MCE         _IOW(KVMIO,  0x9c, __u64)
#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO,  0x9d, __u64)
#define KVM_X86_SET_MCE           _IOW(KVMIO,  0x9e, struct kvm_x86_mce)
/* Available with KVM_CAP_VCPU_EVENTS */
#define KVM_GET_VCPU_EVENTS       _IOR(KVMIO,  0x9f, struct kvm_vcpu_events)
#define KVM_SET_VCPU_EVENTS       _IOW(KVMIO,  0xa0, struct kvm_vcpu_events)
/* Available with KVM_CAP_DEBUGREGS */
#define KVM_GET_DEBUGREGS         _IOR(KVMIO,  0xa1, struct kvm_debugregs)
#define KVM_SET_DEBUGREGS         _IOW(KVMIO,  0xa2, struct kvm_debugregs)
/*
 * vcpu version available with KVM_CAP_ENABLE_CAP
 * vm version available with KVM_CAP_ENABLE_CAP_VM
 */
#define KVM_ENABLE_CAP            _IOW(KVMIO,  0xa3, struct kvm_enable_cap)
/* Available with KVM_CAP_XSAVE */
#define KVM_GET_XSAVE             _IOR(KVMIO,  0xa4, struct kvm_xsave)
#define KVM_SET_XSAVE             _IOW(KVMIO,  0xa5, struct kvm_xsave)
/* Available with KVM_CAP_XCRS */
#define KVM_GET_XCRS              _IOR(KVMIO,  0xa6, struct kvm_xcrs)
#define KVM_SET_XCRS              _IOW(KVMIO,  0xa7, struct kvm_xcrs)
/* Available with KVM_CAP_SW_TLB */
#define KVM_DIRTY_TLB             _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
/* Available with KVM_CAP_ONE_REG */
#define KVM_GET_ONE_REG           _IOW(KVMIO,  0xab, struct kvm_one_reg)
#define KVM_SET_ONE_REG           _IOW(KVMIO,  0xac, struct kvm_one_reg)
/* VM is being stopped by host */
#define KVM_KVMCLOCK_CTRL         _IO(KVMIO,   0xad)
#define KVM_ARM_VCPU_INIT         _IOW(KVMIO,  0xae, struct kvm_vcpu_init)
#define KVM_ARM_PREFERRED_TARGET  _IOR(KVMIO,  0xaf, struct kvm_vcpu_init)
#define KVM_GET_REG_LIST          _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
/* Available with KVM_CAP_S390_MEM_OP */
#define KVM_S390_MEM_OP           _IOW(KVMIO,  0xb1, struct kvm_s390_mem_op)
/* Available with KVM_CAP_S390_SKEYS */
#define KVM_S390_GET_SKEYS      _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
#define KVM_S390_SET_SKEYS      _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
/* Available with KVM_CAP_S390_INJECT_IRQ */
#define KVM_S390_IRQ              _IOW(KVMIO,  0xb4, struct kvm_s390_irq)
/* Available with KVM_CAP_S390_IRQ_STATE */
#define KVM_S390_SET_IRQ_STATE    _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
#define KVM_S390_GET_IRQ_STATE    _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
/* Available with KVM_CAP_X86_SMM */
#define KVM_SMI                   _IO(KVMIO,   0xb7)
/* Available with KVM_CAP_S390_CMMA_MIGRATION */
#define KVM_S390_GET_CMMA_BITS      _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
#define KVM_S390_SET_CMMA_BITS      _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
/* Memory Encryption Commands */
#define KVM_MEMORY_ENCRYPT_OP      _IOWR(KVMIO, 0xba, unsigned long)

struct kvm_enc_region {
        __u64 addr;
        __u64 size;
};

#define KVM_MEMORY_ENCRYPT_REG_REGION    _IOR(KVMIO, 0xbb, struct kvm_enc_region)
#define KVM_MEMORY_ENCRYPT_UNREG_REGION  _IOR(KVMIO, 0xbc, struct kvm_enc_region)

/* Available with KVM_CAP_HYPERV_EVENTFD */
#define KVM_HYPERV_EVENTFD        _IOW(KVMIO,  0xbd, struct kvm_hyperv_eventfd)

/* Available with KVM_CAP_NESTED_STATE */
#define KVM_GET_NESTED_STATE         _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
#define KVM_SET_NESTED_STATE         _IOW(KVMIO,  0xbf, struct kvm_nested_state)

/* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
#define KVM_CLEAR_DIRTY_LOG          _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)

/* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
#define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)

/* Available with KVM_CAP_ARM_SVE */
#define KVM_ARM_VCPU_FINALIZE     _IOW(KVMIO,  0xc2, int)

/* Available with  KVM_CAP_S390_VCPU_RESETS */
#define KVM_S390_NORMAL_RESET   _IO(KVMIO,   0xc3)
#define KVM_S390_CLEAR_RESET    _IO(KVMIO,   0xc4)

/* Available with KVM_CAP_S390_PROTECTED */
#define KVM_S390_PV_COMMAND             _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)

/* Available with KVM_CAP_X86_MSR_FILTER */
#define KVM_X86_SET_MSR_FILTER  _IOW(KVMIO,  0xc6, struct kvm_msr_filter)

/* Available with KVM_CAP_DIRTY_LOG_RING */
#define KVM_RESET_DIRTY_RINGS           _IO(KVMIO, 0xc7)

/* Per-VM Xen attributes */
#define KVM_XEN_HVM_GET_ATTR    _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
#define KVM_XEN_HVM_SET_ATTR    _IOW(KVMIO,  0xc9, struct kvm_xen_hvm_attr)

/* Per-vCPU Xen attributes */
#define KVM_XEN_VCPU_GET_ATTR   _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
#define KVM_XEN_VCPU_SET_ATTR   _IOW(KVMIO,  0xcb, struct kvm_xen_vcpu_attr)

/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
#define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO,  0xd0, struct kvm_irq_routing_xen_evtchn)

#define KVM_GET_SREGS2             _IOR(KVMIO,  0xcc, struct kvm_sregs2)
#define KVM_SET_SREGS2             _IOW(KVMIO,  0xcd, struct kvm_sregs2)

#define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE    (1 << 0)
#define KVM_DIRTY_LOG_INITIALLY_SET            (1 << 1)

/*
 * Arch needs to define the macro after implementing the dirty ring
 * feature.  KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
 * starting page offset of the dirty ring structures.
 */
#ifndef KVM_DIRTY_LOG_PAGE_OFFSET
#define KVM_DIRTY_LOG_PAGE_OFFSET 0
#endif

/*
 * KVM dirty GFN flags, defined as:
 *
 * |---------------+---------------+--------------|
 * | bit 1 (reset) | bit 0 (dirty) | Status       |
 * |---------------+---------------+--------------|
 * |             0 |             0 | Invalid GFN  |
 * |             0 |             1 | Dirty GFN    |
 * |             1 |             X | GFN to reset |
 * |---------------+---------------+--------------|
 *
 * Lifecycle of a dirty GFN goes like:
 *
 *      dirtied         harvested        reset
 * 00 -----------> 01 -------------> 1X -------+
 *  ^                                          |
 *  |                                          |
 *  +------------------------------------------+
 *
 * The userspace program is only responsible for the 01->1X state
 * conversion after harvesting an entry.  Also, it must not skip any
 * dirty bits, so that dirty bits are always harvested in sequence.
 */
#define KVM_DIRTY_GFN_F_DIRTY           _BITUL(0)
#define KVM_DIRTY_GFN_F_RESET           _BITUL(1)
#define KVM_DIRTY_GFN_F_MASK            0x3

/*
 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn.  The
 * size of the gfn buffer is decided by the first argument when
 * enabling KVM_CAP_DIRTY_LOG_RING.
 */
struct kvm_dirty_gfn {
        __u32 flags;
        __u32 slot;
        __u64 offset;
};

#define KVM_BUS_LOCK_DETECTION_OFF             (1 << 0)
#define KVM_BUS_LOCK_DETECTION_EXIT            (1 << 1)

#define KVM_PMU_CAP_DISABLE                    (1 << 0)

/**
 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
 * @flags: Some extra information for header, always 0 for now.
 * @name_size: The size in bytes of the memory which contains statistics
 *             name string including trailing '\0'. The memory is allocated
 *             at the send of statistics descriptor.
 * @num_desc: The number of statistics the vm or vcpu has.
 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
 *             by vm/vcpu stats fd.
 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
 *               pointd by vm/vcpu stats fd.
 * @data_offset: The offset of the vm/vcpu stats' data block in the file
 *               pointed by vm/vcpu stats fd.
 *
 * This is the header userspace needs to read from stats fd before any other
 * readings. It is used by userspace to discover all the information about the
 * vm/vcpu's binary statistics.
 * Userspace reads this header from the start of the vm/vcpu's stats fd.
 */
struct kvm_stats_header {
        __u32 flags;
        __u32 name_size;
        __u32 num_desc;
        __u32 id_offset;
        __u32 desc_offset;
        __u32 data_offset;
};

#define KVM_STATS_TYPE_SHIFT            0
#define KVM_STATS_TYPE_MASK             (0xF << KVM_STATS_TYPE_SHIFT)
#define KVM_STATS_TYPE_CUMULATIVE       (0x0 << KVM_STATS_TYPE_SHIFT)
#define KVM_STATS_TYPE_INSTANT          (0x1 << KVM_STATS_TYPE_SHIFT)
#define KVM_STATS_TYPE_PEAK             (0x2 << KVM_STATS_TYPE_SHIFT)
#define KVM_STATS_TYPE_LINEAR_HIST      (0x3 << KVM_STATS_TYPE_SHIFT)
#define KVM_STATS_TYPE_LOG_HIST         (0x4 << KVM_STATS_TYPE_SHIFT)
#define KVM_STATS_TYPE_MAX              KVM_STATS_TYPE_LOG_HIST

#define KVM_STATS_UNIT_SHIFT            4
#define KVM_STATS_UNIT_MASK             (0xF << KVM_STATS_UNIT_SHIFT)
#define KVM_STATS_UNIT_NONE             (0x0 << KVM_STATS_UNIT_SHIFT)
#define KVM_STATS_UNIT_BYTES            (0x1 << KVM_STATS_UNIT_SHIFT)
#define KVM_STATS_UNIT_SECONDS          (0x2 << KVM_STATS_UNIT_SHIFT)
#define KVM_STATS_UNIT_CYCLES           (0x3 << KVM_STATS_UNIT_SHIFT)
#define KVM_STATS_UNIT_BOOLEAN          (0x4 << KVM_STATS_UNIT_SHIFT)
#define KVM_STATS_UNIT_MAX              KVM_STATS_UNIT_BOOLEAN

#define KVM_STATS_BASE_SHIFT            8
#define KVM_STATS_BASE_MASK             (0xF << KVM_STATS_BASE_SHIFT)
#define KVM_STATS_BASE_POW10            (0x0 << KVM_STATS_BASE_SHIFT)
#define KVM_STATS_BASE_POW2             (0x1 << KVM_STATS_BASE_SHIFT)
#define KVM_STATS_BASE_MAX              KVM_STATS_BASE_POW2

/**
 * struct kvm_stats_desc - Descriptor of a KVM statistics.
 * @flags: Annotations of the stats, like type, unit, etc.
 * @exponent: Used together with @flags to determine the unit.
 * @size: The number of data items for this stats.
 *        Every data item is of type __u64.
 * @offset: The offset of the stats to the start of stat structure in
 *          structure kvm or kvm_vcpu.
 * @bucket_size: A parameter value used for histogram stats. It is only used
 *              for linear histogram stats, specifying the size of the bucket;
 * @name: The name string for the stats. Its size is indicated by the
 *        &kvm_stats_header->name_size.
 */
struct kvm_stats_desc {
        __u32 flags;
        __s16 exponent;
        __u16 size;
        __u32 offset;
        __u32 bucket_size;
#ifdef __KERNEL__
        char name[KVM_STATS_NAME_SIZE];
#else
        char name[];
#endif
};

#define KVM_GET_STATS_FD  _IO(KVMIO,  0xce)

/* Available with KVM_CAP_XSAVE2 */
#define KVM_GET_XSAVE2            _IOR(KVMIO,  0xcf, struct kvm_xsave)

/* Available with KVM_CAP_S390_PROTECTED_DUMP */
#define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd)

/* Available with KVM_CAP_X86_NOTIFY_VMEXIT */
#define KVM_X86_NOTIFY_VMEXIT_ENABLED           (1ULL << 0)
#define KVM_X86_NOTIFY_VMEXIT_USER              (1ULL << 1)

/* Available with KVM_CAP_S390_ZPCI_OP */
#define KVM_S390_ZPCI_OP         _IOW(KVMIO,  0xd1, struct kvm_s390_zpci_op)

/* Available with KVM_CAP_MEMORY_ATTRIBUTES */
#define KVM_SET_MEMORY_ATTRIBUTES              _IOW(KVMIO,  0xd2, struct kvm_memory_attributes)

struct kvm_memory_attributes {
        __u64 address;
        __u64 size;
        __u64 attributes;
        __u64 flags;
};

#define KVM_MEMORY_ATTRIBUTE_PRIVATE           (1ULL << 3)

#define KVM_CREATE_GUEST_MEMFD  _IOWR(KVMIO,  0xd4, struct kvm_create_guest_memfd)
#define GUEST_MEMFD_FLAG_MMAP           (1ULL << 0)
#define GUEST_MEMFD_FLAG_INIT_SHARED    (1ULL << 1)

struct kvm_create_guest_memfd {
        __u64 size;
        __u64 flags;
        __u64 reserved[6];
};

#define KVM_PRE_FAULT_MEMORY    _IOWR(KVMIO, 0xd5, struct kvm_pre_fault_memory)

struct kvm_pre_fault_memory {
        __u64 gpa;
        __u64 size;
        __u64 flags;
        __u64 padding[5];
};

#endif /* __LINUX_KVM_H */