/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _ASM_X86_KVM_H
#define _ASM_X86_KVM_H

/*
 * KVM x86 specific structures and definitions
 *
 */

#include <linux/const.h>
#include <linux/bits.h>
#include <linux/types.h>
#include <linux/ioctl.h>
#include <linux/stddef.h>

#define KVM_PIO_PAGE_OFFSET 1
#define KVM_COALESCED_MMIO_PAGE_OFFSET 2
#define KVM_DIRTY_LOG_PAGE_OFFSET 64

#define DE_VECTOR 0
#define DB_VECTOR 1
#define BP_VECTOR 3
#define OF_VECTOR 4
#define BR_VECTOR 5
#define UD_VECTOR 6
#define NM_VECTOR 7
#define DF_VECTOR 8
#define TS_VECTOR 10
#define NP_VECTOR 11
#define SS_VECTOR 12
#define GP_VECTOR 13
#define PF_VECTOR 14
#define MF_VECTOR 16
#define AC_VECTOR 17
#define MC_VECTOR 18
#define XM_VECTOR 19
#define VE_VECTOR 20
#define CP_VECTOR 21

#define HV_VECTOR 28
#define VC_VECTOR 29
#define SX_VECTOR 30

/* Select x86 specific features in <linux/kvm.h> */
#define __KVM_HAVE_PIT
#define __KVM_HAVE_IOAPIC
#define __KVM_HAVE_IRQ_LINE
#define __KVM_HAVE_MSI
#define __KVM_HAVE_USER_NMI
#define __KVM_HAVE_MSIX
#define __KVM_HAVE_MCE
#define __KVM_HAVE_PIT_STATE2
#define __KVM_HAVE_XEN_HVM
#define __KVM_HAVE_VCPU_EVENTS
#define __KVM_HAVE_DEBUGREGS
#define __KVM_HAVE_XSAVE
#define __KVM_HAVE_XCRS

/* Architectural interrupt line count. */
#define KVM_NR_INTERRUPTS 256

/* for KVM_GET_IRQCHIP and KVM_SET_IRQCHIP */
struct kvm_pic_state {
        __u8 last_irr;  /* edge detection */
        __u8 irr;               /* interrupt request register */
        __u8 imr;               /* interrupt mask register */
        __u8 isr;               /* interrupt service register */
        __u8 priority_add;      /* highest irq priority */
        __u8 irq_base;
        __u8 read_reg_select;
        __u8 poll;
        __u8 special_mask;
        __u8 init_state;
        __u8 auto_eoi;
        __u8 rotate_on_auto_eoi;
        __u8 special_fully_nested_mode;
        __u8 init4;             /* true if 4 byte init */
        __u8 elcr;              /* PIIX edge/trigger selection */
        __u8 elcr_mask;
};

#define KVM_IOAPIC_NUM_PINS  24
struct kvm_ioapic_state {
        __u64 base_address;
        __u32 ioregsel;
        __u32 id;
        __u32 irr;
        __u32 pad;
        union {
                __u64 bits;
                struct {
                        __u8 vector;
                        __u8 delivery_mode:3;
                        __u8 dest_mode:1;
                        __u8 delivery_status:1;
                        __u8 polarity:1;
                        __u8 remote_irr:1;
                        __u8 trig_mode:1;
                        __u8 mask:1;
                        __u8 reserve:7;
                        __u8 reserved[4];
                        __u8 dest_id;
                } fields;
        } redirtbl[KVM_IOAPIC_NUM_PINS];
};

#define KVM_IRQCHIP_PIC_MASTER   0
#define KVM_IRQCHIP_PIC_SLAVE    1
#define KVM_IRQCHIP_IOAPIC       2
#define KVM_NR_IRQCHIPS          3

#define KVM_RUN_X86_SMM          (1 << 0)
#define KVM_RUN_X86_BUS_LOCK     (1 << 1)
#define KVM_RUN_X86_GUEST_MODE   (1 << 2)

/* for KVM_GET_REGS and KVM_SET_REGS */
struct kvm_regs {
        /* out (KVM_GET_REGS) / in (KVM_SET_REGS) */
        __u64 rax, rbx, rcx, rdx;
        __u64 rsi, rdi, rsp, rbp;
        __u64 r8,  r9,  r10, r11;
        __u64 r12, r13, r14, r15;
        __u64 rip, rflags;
};

/* for KVM_GET_LAPIC and KVM_SET_LAPIC */
#define KVM_APIC_REG_SIZE 0x400
struct kvm_lapic_state {
        char regs[KVM_APIC_REG_SIZE];
};

struct kvm_segment {
        __u64 base;
        __u32 limit;
        __u16 selector;
        __u8  type;
        __u8  present, dpl, db, s, l, g, avl;
        __u8  unusable;
        __u8  padding;
};

struct kvm_dtable {
        __u64 base;
        __u16 limit;
        __u16 padding[3];
};


/* for KVM_GET_SREGS and KVM_SET_SREGS */
struct kvm_sregs {
        /* out (KVM_GET_SREGS) / in (KVM_SET_SREGS) */
        struct kvm_segment cs, ds, es, fs, gs, ss;
        struct kvm_segment tr, ldt;
        struct kvm_dtable gdt, idt;
        __u64 cr0, cr2, cr3, cr4, cr8;
        __u64 efer;
        __u64 apic_base;
        __u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64];
};

struct kvm_sregs2 {
        /* out (KVM_GET_SREGS2) / in (KVM_SET_SREGS2) */
        struct kvm_segment cs, ds, es, fs, gs, ss;
        struct kvm_segment tr, ldt;
        struct kvm_dtable gdt, idt;
        __u64 cr0, cr2, cr3, cr4, cr8;
        __u64 efer;
        __u64 apic_base;
        __u64 flags;
        __u64 pdptrs[4];
};
#define KVM_SREGS2_FLAGS_PDPTRS_VALID 1

/* for KVM_GET_FPU and KVM_SET_FPU */
struct kvm_fpu {
        __u8  fpr[8][16];
        __u16 fcw;
        __u16 fsw;
        __u8  ftwx;  /* in fxsave format */
        __u8  pad1;
        __u16 last_opcode;
        __u64 last_ip;
        __u64 last_dp;
        __u8  xmm[16][16];
        __u32 mxcsr;
        __u32 pad2;
};

struct kvm_msr_entry {
        __u32 index;
        __u32 reserved;
        __u64 data;
};

/* for KVM_GET_MSRS and KVM_SET_MSRS */
struct kvm_msrs {
        __u32 nmsrs; /* number of msrs in entries */
        __u32 pad;

        struct kvm_msr_entry entries[];
};

/* for KVM_GET_MSR_INDEX_LIST */
struct kvm_msr_list {
        __u32 nmsrs; /* number of msrs in entries */
        __u32 indices[];
};

/* Maximum size of any access bitmap in bytes */
#define KVM_MSR_FILTER_MAX_BITMAP_SIZE 0x600

/* for KVM_X86_SET_MSR_FILTER */
struct kvm_msr_filter_range {
#define KVM_MSR_FILTER_READ  (1 << 0)
#define KVM_MSR_FILTER_WRITE (1 << 1)
#define KVM_MSR_FILTER_RANGE_VALID_MASK (KVM_MSR_FILTER_READ | \
                                         KVM_MSR_FILTER_WRITE)
        __u32 flags;
        __u32 nmsrs; /* number of msrs in bitmap */
        __u32 base;  /* MSR index the bitmap starts at */
        __u8 *bitmap; /* a 1 bit allows the operations in flags, 0 denies */
};

#define KVM_MSR_FILTER_MAX_RANGES 16
struct kvm_msr_filter {
#ifndef __KERNEL__
#define KVM_MSR_FILTER_DEFAULT_ALLOW (0 << 0)
#endif
#define KVM_MSR_FILTER_DEFAULT_DENY  (1 << 0)
#define KVM_MSR_FILTER_VALID_MASK (KVM_MSR_FILTER_DEFAULT_DENY)
        __u32 flags;
        struct kvm_msr_filter_range ranges[KVM_MSR_FILTER_MAX_RANGES];
};

struct kvm_cpuid_entry {
        __u32 function;
        __u32 eax;
        __u32 ebx;
        __u32 ecx;
        __u32 edx;
        __u32 padding;
};

/* for KVM_SET_CPUID */
struct kvm_cpuid {
        __u32 nent;
        __u32 padding;
        struct kvm_cpuid_entry entries[];
};

struct kvm_cpuid_entry2 {
        __u32 function;
        __u32 index;
        __u32 flags;
        __u32 eax;
        __u32 ebx;
        __u32 ecx;
        __u32 edx;
        __u32 padding[3];
};

#define KVM_CPUID_FLAG_SIGNIFCANT_INDEX         (1 << 0)
#define KVM_CPUID_FLAG_STATEFUL_FUNC            (1 << 1)
#define KVM_CPUID_FLAG_STATE_READ_NEXT          (1 << 2)

/* for KVM_SET_CPUID2 */
struct kvm_cpuid2 {
        __u32 nent;
        __u32 padding;
        struct kvm_cpuid_entry2 entries[];
};

/* for KVM_GET_PIT and KVM_SET_PIT */
struct kvm_pit_channel_state {
        __u32 count; /* can be 65536 */
        __u16 latched_count;
        __u8 count_latched;
        __u8 status_latched;
        __u8 status;
        __u8 read_state;
        __u8 write_state;
        __u8 write_latch;
        __u8 rw_mode;
        __u8 mode;
        __u8 bcd;
        __u8 gate;
        __s64 count_load_time;
};

struct kvm_debug_exit_arch {
        __u32 exception;
        __u32 pad;
        __u64 pc;
        __u64 dr6;
        __u64 dr7;
};

#define KVM_GUESTDBG_USE_SW_BP          0x00010000
#define KVM_GUESTDBG_USE_HW_BP          0x00020000
#define KVM_GUESTDBG_INJECT_DB          0x00040000
#define KVM_GUESTDBG_INJECT_BP          0x00080000
#define KVM_GUESTDBG_BLOCKIRQ           0x00100000

/* for KVM_SET_GUEST_DEBUG */
struct kvm_guest_debug_arch {
        __u64 debugreg[8];
};

struct kvm_pit_state {
        struct kvm_pit_channel_state channels[3];
};

#define KVM_PIT_FLAGS_HPET_LEGACY     0x00000001
#define KVM_PIT_FLAGS_SPEAKER_DATA_ON 0x00000002

struct kvm_pit_state2 {
        struct kvm_pit_channel_state channels[3];
        __u32 flags;
        __u32 reserved[9];
};

struct kvm_reinject_control {
        __u8 pit_reinject;
        __u8 reserved[31];
};

/* When set in flags, include corresponding fields on KVM_SET_VCPU_EVENTS */
#define KVM_VCPUEVENT_VALID_NMI_PENDING 0x00000001
#define KVM_VCPUEVENT_VALID_SIPI_VECTOR 0x00000002
#define KVM_VCPUEVENT_VALID_SHADOW      0x00000004
#define KVM_VCPUEVENT_VALID_SMM         0x00000008
#define KVM_VCPUEVENT_VALID_PAYLOAD     0x00000010
#define KVM_VCPUEVENT_VALID_TRIPLE_FAULT        0x00000020

/* Interrupt shadow states */
#define KVM_X86_SHADOW_INT_MOV_SS       0x01
#define KVM_X86_SHADOW_INT_STI          0x02

/* for KVM_GET/SET_VCPU_EVENTS */
struct kvm_vcpu_events {
        struct {
                __u8 injected;
                __u8 nr;
                __u8 has_error_code;
                __u8 pending;
                __u32 error_code;
        } exception;
        struct {
                __u8 injected;
                __u8 nr;
                __u8 soft;
                __u8 shadow;
        } interrupt;
        struct {
                __u8 injected;
                __u8 pending;
                __u8 masked;
                __u8 pad;
        } nmi;
        __u32 sipi_vector;
        __u32 flags;
        struct {
                __u8 smm;
                __u8 pending;
                __u8 smm_inside_nmi;
                __u8 latched_init;
        } smi;
        struct {
                __u8 pending;
        } triple_fault;
        __u8 reserved[26];
        __u8 exception_has_payload;
        __u64 exception_payload;
};

/* for KVM_GET/SET_DEBUGREGS */
struct kvm_debugregs {
        __u64 db[4];
        __u64 dr6;
        __u64 dr7;
        __u64 flags;
        __u64 reserved[9];
};

/* for KVM_CAP_XSAVE and KVM_CAP_XSAVE2 */
struct kvm_xsave {
        /*
         * KVM_GET_XSAVE2 and KVM_SET_XSAVE write and read as many bytes
         * as are returned by KVM_CHECK_EXTENSION(KVM_CAP_XSAVE2)
         * respectively, when invoked on the vm file descriptor.
         *
         * The size value returned by KVM_CHECK_EXTENSION(KVM_CAP_XSAVE2)
         * will always be at least 4096. Currently, it is only greater
         * than 4096 if a dynamic feature has been enabled with
         * ``arch_prctl()``, but this may change in the future.
         *
         * The offsets of the state save areas in struct kvm_xsave follow
         * the contents of CPUID leaf 0xD on the host.
         */
        __u32 region[1024];
        __u32 extra[];
};

#define KVM_MAX_XCRS    16

struct kvm_xcr {
        __u32 xcr;
        __u32 reserved;
        __u64 value;
};

struct kvm_xcrs {
        __u32 nr_xcrs;
        __u32 flags;
        struct kvm_xcr xcrs[KVM_MAX_XCRS];
        __u64 padding[16];
};

#define KVM_X86_REG_TYPE_MSR            2
#define KVM_X86_REG_TYPE_KVM            3

#define KVM_X86_KVM_REG_SIZE(reg)                                               \
({                                                                              \
        reg == KVM_REG_GUEST_SSP ? KVM_REG_SIZE_U64 : 0;                        \
})

#define KVM_X86_REG_TYPE_SIZE(type, reg)                                        \
({                                                                              \
        __u64 type_size = (__u64)type << 32;                                    \
                                                                                \
        type_size |= type == KVM_X86_REG_TYPE_MSR ? KVM_REG_SIZE_U64 :          \
                     type == KVM_X86_REG_TYPE_KVM ? KVM_X86_KVM_REG_SIZE(reg) : \
                     0;                                                         \
        type_size;                                                              \
})

#define KVM_X86_REG_ID(type, index)                             \
        (KVM_REG_X86 | KVM_X86_REG_TYPE_SIZE(type, index) | index)

#define KVM_X86_REG_MSR(index)                                  \
        KVM_X86_REG_ID(KVM_X86_REG_TYPE_MSR, index)
#define KVM_X86_REG_KVM(index)                                  \
        KVM_X86_REG_ID(KVM_X86_REG_TYPE_KVM, index)

/* KVM-defined registers starting from 0 */
#define KVM_REG_GUEST_SSP       0

#define KVM_SYNC_X86_REGS      (1UL << 0)
#define KVM_SYNC_X86_SREGS     (1UL << 1)
#define KVM_SYNC_X86_EVENTS    (1UL << 2)

#define KVM_SYNC_X86_VALID_FIELDS \
        (KVM_SYNC_X86_REGS| \
         KVM_SYNC_X86_SREGS| \
         KVM_SYNC_X86_EVENTS)

/* kvm_sync_regs struct included by kvm_run struct */
struct kvm_sync_regs {
        /* Members of this structure are potentially malicious.
         * Care must be taken by code reading, esp. interpreting,
         * data fields from them inside KVM to prevent TOCTOU and
         * double-fetch types of vulnerabilities.
         */
        struct kvm_regs regs;
        struct kvm_sregs sregs;
        struct kvm_vcpu_events events;
};

#define KVM_X86_QUIRK_LINT0_REENABLED           (1 << 0)
#define KVM_X86_QUIRK_CD_NW_CLEARED             (1 << 1)
#define KVM_X86_QUIRK_LAPIC_MMIO_HOLE           (1 << 2)
#define KVM_X86_QUIRK_OUT_7E_INC_RIP            (1 << 3)
#define KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT      (1 << 4)
#define KVM_X86_QUIRK_FIX_HYPERCALL_INSN        (1 << 5)
#define KVM_X86_QUIRK_MWAIT_NEVER_UD_FAULTS     (1 << 6)
#define KVM_X86_QUIRK_SLOT_ZAP_ALL              (1 << 7)
#define KVM_X86_QUIRK_STUFF_FEATURE_MSRS        (1 << 8)
#define KVM_X86_QUIRK_IGNORE_GUEST_PAT          (1 << 9)
#define KVM_X86_QUIRK_VMCS12_ALLOW_FREEZE_IN_SMM (1 << 10)

#define KVM_STATE_NESTED_FORMAT_VMX     0
#define KVM_STATE_NESTED_FORMAT_SVM     1

#define KVM_STATE_NESTED_GUEST_MODE     0x00000001
#define KVM_STATE_NESTED_RUN_PENDING    0x00000002
#define KVM_STATE_NESTED_EVMCS          0x00000004
#define KVM_STATE_NESTED_MTF_PENDING    0x00000008
#define KVM_STATE_NESTED_GIF_SET        0x00000100

#define KVM_STATE_NESTED_SMM_GUEST_MODE 0x00000001
#define KVM_STATE_NESTED_SMM_VMXON      0x00000002

#define KVM_STATE_NESTED_VMX_VMCS_SIZE  0x1000

#define KVM_STATE_NESTED_SVM_VMCB_SIZE  0x1000

#define KVM_STATE_VMX_PREEMPTION_TIMER_DEADLINE 0x00000001

/* vendor-independent attributes for system fd (group 0) */
#define KVM_X86_GRP_SYSTEM              0
#  define KVM_X86_XCOMP_GUEST_SUPP      0

/* vendor-specific groups and attributes for system fd */
#define KVM_X86_GRP_SEV                 1
#  define KVM_X86_SEV_VMSA_FEATURES     0
#  define KVM_X86_SNP_POLICY_BITS       1
#  define KVM_X86_SEV_SNP_REQ_CERTS     2

struct kvm_vmx_nested_state_data {
        __u8 vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE];
        __u8 shadow_vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE];
};

struct kvm_vmx_nested_state_hdr {
        __u64 vmxon_pa;
        __u64 vmcs12_pa;

        struct {
                __u16 flags;
        } smm;

        __u16 pad;

        __u32 flags;
        __u64 preemption_timer_deadline;
};

struct kvm_svm_nested_state_data {
        /* Save area only used if KVM_STATE_NESTED_RUN_PENDING.  */
        __u8 vmcb12[KVM_STATE_NESTED_SVM_VMCB_SIZE];
};

struct kvm_svm_nested_state_hdr {
        __u64 vmcb_pa;
};

/* for KVM_CAP_NESTED_STATE */
struct kvm_nested_state {
        __u16 flags;
        __u16 format;
        __u32 size;

        union {
                struct kvm_vmx_nested_state_hdr vmx;
                struct kvm_svm_nested_state_hdr svm;

                /* Pad the header to 128 bytes.  */
                __u8 pad[120];
        } hdr;

        /*
         * Define data region as 0 bytes to preserve backwards-compatability
         * to old definition of kvm_nested_state in order to avoid changing
         * KVM_{GET,PUT}_NESTED_STATE ioctl values.
         */
        union {
                __DECLARE_FLEX_ARRAY(struct kvm_vmx_nested_state_data, vmx);
                __DECLARE_FLEX_ARRAY(struct kvm_svm_nested_state_data, svm);
        } data;
};

/* for KVM_CAP_PMU_EVENT_FILTER */
struct kvm_pmu_event_filter {
        __u32 action;
        __u32 nevents;
        __u32 fixed_counter_bitmap;
        __u32 flags;
        __u32 pad[4];
        __u64 events[];
};

#define KVM_PMU_EVENT_ALLOW 0
#define KVM_PMU_EVENT_DENY 1

#define KVM_PMU_EVENT_FLAG_MASKED_EVENTS _BITUL(0)
#define KVM_PMU_EVENT_FLAGS_VALID_MASK (KVM_PMU_EVENT_FLAG_MASKED_EVENTS)

/* for KVM_CAP_MCE */
struct kvm_x86_mce {
        __u64 status;
        __u64 addr;
        __u64 misc;
        __u64 mcg_status;
        __u8 bank;
        __u8 pad1[7];
        __u64 pad2[3];
};

/* for KVM_CAP_XEN_HVM */
#define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR        (1 << 0)
#define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL      (1 << 1)
#define KVM_XEN_HVM_CONFIG_SHARED_INFO          (1 << 2)
#define KVM_XEN_HVM_CONFIG_RUNSTATE             (1 << 3)
#define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL        (1 << 4)
#define KVM_XEN_HVM_CONFIG_EVTCHN_SEND          (1 << 5)
#define KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG (1 << 6)
#define KVM_XEN_HVM_CONFIG_PVCLOCK_TSC_UNSTABLE (1 << 7)
#define KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA      (1 << 8)

#define KVM_XEN_MSR_MIN_INDEX                   0x40000000u
#define KVM_XEN_MSR_MAX_INDEX                   0x4fffffffu

struct kvm_xen_hvm_config {
        __u32 flags;
        __u32 msr;
        __u64 blob_addr_32;
        __u64 blob_addr_64;
        __u8 blob_size_32;
        __u8 blob_size_64;
        __u8 pad2[30];
};

struct kvm_xen_hvm_attr {
        __u16 type;
        __u16 pad[3];
        union {
                __u8 long_mode;
                __u8 vector;
                __u8 runstate_update_flag;
                union {
                        __u64 gfn;
#define KVM_XEN_INVALID_GFN ((__u64)-1)
                        __u64 hva;
                } shared_info;
                struct {
                        __u32 send_port;
                        __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */
                        __u32 flags;
#define KVM_XEN_EVTCHN_DEASSIGN         (1 << 0)
#define KVM_XEN_EVTCHN_UPDATE           (1 << 1)
#define KVM_XEN_EVTCHN_RESET            (1 << 2)
                        /*
                         * Events sent by the guest are either looped back to
                         * the guest itself (potentially on a different port#)
                         * or signalled via an eventfd.
                         */
                        union {
                                struct {
                                        __u32 port;
                                        __u32 vcpu;
                                        __u32 priority;
                                } port;
                                struct {
                                        __u32 port; /* Zero for eventfd */
                                        __s32 fd;
                                } eventfd;
                                __u32 padding[4];
                        } deliver;
                } evtchn;
                __u32 xen_version;
                __u64 pad[8];
        } u;
};


/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
#define KVM_XEN_ATTR_TYPE_LONG_MODE             0x0
#define KVM_XEN_ATTR_TYPE_SHARED_INFO           0x1
#define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR         0x2
/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
#define KVM_XEN_ATTR_TYPE_EVTCHN                0x3
#define KVM_XEN_ATTR_TYPE_XEN_VERSION           0x4
/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG */
#define KVM_XEN_ATTR_TYPE_RUNSTATE_UPDATE_FLAG  0x5
/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA */
#define KVM_XEN_ATTR_TYPE_SHARED_INFO_HVA       0x6

struct kvm_xen_vcpu_attr {
        __u16 type;
        __u16 pad[3];
        union {
                __u64 gpa;
#define KVM_XEN_INVALID_GPA ((__u64)-1)
                __u64 hva;
                __u64 pad[8];
                struct {
                        __u64 state;
                        __u64 state_entry_time;
                        __u64 time_running;
                        __u64 time_runnable;
                        __u64 time_blocked;
                        __u64 time_offline;
                } runstate;
                __u32 vcpu_id;
                struct {
                        __u32 port;
                        __u32 priority;
                        __u64 expires_ns;
                } timer;
                __u8 vector;
        } u;
};

/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO        0x0
#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO   0x1
#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR    0x2
#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA    0x4
#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST  0x5
/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID          0x6
#define KVM_XEN_VCPU_ATTR_TYPE_TIMER            0x7
#define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR    0x8
/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO_HVA */
#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO_HVA    0x9

/* Secure Encrypted Virtualization command */
enum sev_cmd_id {
        /* Guest initialization commands */
        KVM_SEV_INIT = 0,
        KVM_SEV_ES_INIT,
        /* Guest launch commands */
        KVM_SEV_LAUNCH_START,
        KVM_SEV_LAUNCH_UPDATE_DATA,
        KVM_SEV_LAUNCH_UPDATE_VMSA,
        KVM_SEV_LAUNCH_SECRET,
        KVM_SEV_LAUNCH_MEASURE,
        KVM_SEV_LAUNCH_FINISH,
        /* Guest migration commands (outgoing) */
        KVM_SEV_SEND_START,
        KVM_SEV_SEND_UPDATE_DATA,
        KVM_SEV_SEND_UPDATE_VMSA,
        KVM_SEV_SEND_FINISH,
        /* Guest migration commands (incoming) */
        KVM_SEV_RECEIVE_START,
        KVM_SEV_RECEIVE_UPDATE_DATA,
        KVM_SEV_RECEIVE_UPDATE_VMSA,
        KVM_SEV_RECEIVE_FINISH,
        /* Guest status and debug commands */
        KVM_SEV_GUEST_STATUS,
        KVM_SEV_DBG_DECRYPT,
        KVM_SEV_DBG_ENCRYPT,
        /* Guest certificates commands */
        KVM_SEV_CERT_EXPORT,
        /* Attestation report */
        KVM_SEV_GET_ATTESTATION_REPORT,
        /* Guest Migration Extension */
        KVM_SEV_SEND_CANCEL,

        /* Second time is the charm; improved versions of the above ioctls.  */
        KVM_SEV_INIT2,

        /* SNP-specific commands */
        KVM_SEV_SNP_LAUNCH_START = 100,
        KVM_SEV_SNP_LAUNCH_UPDATE,
        KVM_SEV_SNP_LAUNCH_FINISH,
        KVM_SEV_SNP_ENABLE_REQ_CERTS,

        KVM_SEV_NR_MAX,
};

struct kvm_sev_cmd {
        __u32 id;
        __u32 pad0;
        __u64 data;
        __u32 error;
        __u32 sev_fd;
};

struct kvm_sev_init {
        __u64 vmsa_features;
        __u32 flags;
        __u16 ghcb_version;
        __u16 pad1;
        __u32 pad2[8];
};

struct kvm_sev_launch_start {
        __u32 handle;
        __u32 policy;
        __u64 dh_uaddr;
        __u32 dh_len;
        __u32 pad0;
        __u64 session_uaddr;
        __u32 session_len;
        __u32 pad1;
};

struct kvm_sev_launch_update_data {
        __u64 uaddr;
        __u32 len;
        __u32 pad0;
};


struct kvm_sev_launch_secret {
        __u64 hdr_uaddr;
        __u32 hdr_len;
        __u32 pad0;
        __u64 guest_uaddr;
        __u32 guest_len;
        __u32 pad1;
        __u64 trans_uaddr;
        __u32 trans_len;
        __u32 pad2;
};

struct kvm_sev_launch_measure {
        __u64 uaddr;
        __u32 len;
        __u32 pad0;
};

struct kvm_sev_guest_status {
        __u32 handle;
        __u32 policy;
        __u32 state;
};

struct kvm_sev_dbg {
        __u64 src_uaddr;
        __u64 dst_uaddr;
        __u32 len;
        __u32 pad0;
};

struct kvm_sev_attestation_report {
        __u8 mnonce[16];
        __u64 uaddr;
        __u32 len;
        __u32 pad0;
};

struct kvm_sev_send_start {
        __u32 policy;
        __u32 pad0;
        __u64 pdh_cert_uaddr;
        __u32 pdh_cert_len;
        __u32 pad1;
        __u64 plat_certs_uaddr;
        __u32 plat_certs_len;
        __u32 pad2;
        __u64 amd_certs_uaddr;
        __u32 amd_certs_len;
        __u32 pad3;
        __u64 session_uaddr;
        __u32 session_len;
        __u32 pad4;
};

struct kvm_sev_send_update_data {
        __u64 hdr_uaddr;
        __u32 hdr_len;
        __u32 pad0;
        __u64 guest_uaddr;
        __u32 guest_len;
        __u32 pad1;
        __u64 trans_uaddr;
        __u32 trans_len;
        __u32 pad2;
};

struct kvm_sev_receive_start {
        __u32 handle;
        __u32 policy;
        __u64 pdh_uaddr;
        __u32 pdh_len;
        __u32 pad0;
        __u64 session_uaddr;
        __u32 session_len;
        __u32 pad1;
};

struct kvm_sev_receive_update_data {
        __u64 hdr_uaddr;
        __u32 hdr_len;
        __u32 pad0;
        __u64 guest_uaddr;
        __u32 guest_len;
        __u32 pad1;
        __u64 trans_uaddr;
        __u32 trans_len;
        __u32 pad2;
};

struct kvm_sev_snp_launch_start {
        __u64 policy;
        __u8 gosvw[16];
        __u16 flags;
        __u8 pad0[6];
        __u64 pad1[4];
};

/* Kept in sync with firmware values for simplicity. */
#define KVM_SEV_PAGE_TYPE_INVALID               0x0
#define KVM_SEV_SNP_PAGE_TYPE_NORMAL            0x1
#define KVM_SEV_SNP_PAGE_TYPE_ZERO              0x3
#define KVM_SEV_SNP_PAGE_TYPE_UNMEASURED        0x4
#define KVM_SEV_SNP_PAGE_TYPE_SECRETS           0x5
#define KVM_SEV_SNP_PAGE_TYPE_CPUID             0x6

struct kvm_sev_snp_launch_update {
        __u64 gfn_start;
        __u64 uaddr;
        __u64 len;
        __u8 type;
        __u8 pad0;
        __u16 flags;
        __u32 pad1;
        __u64 pad2[4];
};

#define KVM_SEV_SNP_ID_BLOCK_SIZE       96
#define KVM_SEV_SNP_ID_AUTH_SIZE        4096
#define KVM_SEV_SNP_FINISH_DATA_SIZE    32

struct kvm_sev_snp_launch_finish {
        __u64 id_block_uaddr;
        __u64 id_auth_uaddr;
        __u8 id_block_en;
        __u8 auth_key_en;
        __u8 vcek_disabled;
        __u8 host_data[KVM_SEV_SNP_FINISH_DATA_SIZE];
        __u8 pad0[3];
        __u16 flags;
        __u64 pad1[4];
};

#define KVM_X2APIC_API_USE_32BIT_IDS                    _BITULL(0)
#define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK          _BITULL(1)
#define KVM_X2APIC_ENABLE_SUPPRESS_EOI_BROADCAST        _BITULL(2)
#define KVM_X2APIC_DISABLE_SUPPRESS_EOI_BROADCAST       _BITULL(3)

struct kvm_hyperv_eventfd {
        __u32 conn_id;
        __s32 fd;
        __u32 flags;
        __u32 padding[3];
};

#define KVM_HYPERV_CONN_ID_MASK         0x00ffffff
#define KVM_HYPERV_EVENTFD_DEASSIGN     (1 << 0)

/*
 * Masked event layout.
 * Bits   Description
 * ----   -----------
 * 7:0    event select (low bits)
 * 15:8   umask match
 * 31:16  unused
 * 35:32  event select (high bits)
 * 36:54  unused
 * 55     exclude bit
 * 63:56  umask mask
 */

#define KVM_PMU_ENCODE_MASKED_ENTRY(event_select, mask, match, exclude) \
        (((event_select) & 0xFFULL) | (((event_select) & 0XF00ULL) << 24) | \
        (((mask) & 0xFFULL) << 56) | \
        (((match) & 0xFFULL) << 8) | \
        ((__u64)(!!(exclude)) << 55))

#define KVM_PMU_MASKED_ENTRY_EVENT_SELECT \
        (__GENMASK_ULL(7, 0) | __GENMASK_ULL(35, 32))
#define KVM_PMU_MASKED_ENTRY_UMASK_MASK         (__GENMASK_ULL(63, 56))
#define KVM_PMU_MASKED_ENTRY_UMASK_MATCH        (__GENMASK_ULL(15, 8))
#define KVM_PMU_MASKED_ENTRY_EXCLUDE            (_BITULL(55))
#define KVM_PMU_MASKED_ENTRY_UMASK_MASK_SHIFT   (56)

/* for KVM_{GET,SET,HAS}_DEVICE_ATTR */
#define KVM_VCPU_TSC_CTRL 0 /* control group for the timestamp counter (TSC) */
#define   KVM_VCPU_TSC_OFFSET 0 /* attribute for the TSC offset */

/* x86-specific KVM_EXIT_HYPERCALL flags. */
#define KVM_EXIT_HYPERCALL_LONG_MODE    _BITULL(0)

#define KVM_X86_DEFAULT_VM      0
#define KVM_X86_SW_PROTECTED_VM 1
#define KVM_X86_SEV_VM          2
#define KVM_X86_SEV_ES_VM       3
#define KVM_X86_SNP_VM          4
#define KVM_X86_TDX_VM          5

/* Trust Domain eXtension sub-ioctl() commands. */
enum kvm_tdx_cmd_id {
        KVM_TDX_CAPABILITIES = 0,
        KVM_TDX_INIT_VM,
        KVM_TDX_INIT_VCPU,
        KVM_TDX_INIT_MEM_REGION,
        KVM_TDX_FINALIZE_VM,
        KVM_TDX_GET_CPUID,

        KVM_TDX_CMD_NR_MAX,
};

struct kvm_tdx_cmd {
        /* enum kvm_tdx_cmd_id */
        __u32 id;
        /* flags for sub-commend. If sub-command doesn't use this, set zero. */
        __u32 flags;
        /*
         * data for each sub-command. An immediate or a pointer to the actual
         * data in process virtual address.  If sub-command doesn't use it,
         * set zero.
         */
        __u64 data;
        /*
         * Auxiliary error code.  The sub-command may return TDX SEAMCALL
         * status code in addition to -Exxx.
         */
        __u64 hw_error;
};

struct kvm_tdx_capabilities {
        __u64 supported_attrs;
        __u64 supported_xfam;

        __u64 kernel_tdvmcallinfo_1_r11;
        __u64 user_tdvmcallinfo_1_r11;
        __u64 kernel_tdvmcallinfo_1_r12;
        __u64 user_tdvmcallinfo_1_r12;

        __u64 reserved[250];

        /* Configurable CPUID bits for userspace */
        struct kvm_cpuid2 cpuid;
};

struct kvm_tdx_init_vm {
        __u64 attributes;
        __u64 xfam;
        __u64 mrconfigid[6];    /* sha384 digest */
        __u64 mrowner[6];       /* sha384 digest */
        __u64 mrownerconfig[6]; /* sha384 digest */

        /* The total space for TD_PARAMS before the CPUIDs is 256 bytes */
        __u64 reserved[12];

        /*
         * Call KVM_TDX_INIT_VM before vcpu creation, thus before
         * KVM_SET_CPUID2.
         * This configuration supersedes KVM_SET_CPUID2s for VCPUs because the
         * TDX module directly virtualizes those CPUIDs without VMM.  The user
         * space VMM, e.g. qemu, should make KVM_SET_CPUID2 consistent with
         * those values.  If it doesn't, KVM may have wrong idea of vCPUIDs of
         * the guest, and KVM may wrongly emulate CPUIDs or MSRs that the TDX
         * module doesn't virtualize.
         */
        struct kvm_cpuid2 cpuid;
};

#define KVM_TDX_MEASURE_MEMORY_REGION   _BITULL(0)

struct kvm_tdx_init_mem_region {
        __u64 source_addr;
        __u64 gpa;
        __u64 nr_pages;
};

#endif /* _ASM_X86_KVM_H */