#ifndef __LINUX_KVM_H#define __LINUX_KVM_H/* * Userspace interface for /dev/kvm - kernel based virtual machine * * Note: this interface is considered experimental and may change without *       notice. */#include <asm/types.h>#include <linux/ioctl.h>#define KVM_API_VERSION 4/* * Architectural interrupt line count, and the size of the bitmap needed * to hold them. */#define KVM_NR_INTERRUPTS 256#define KVM_IRQ_BITMAP_SIZE_BYTES    ((KVM_NR_INTERRUPTS + 7) / 8)#define KVM_IRQ_BITMAP_SIZE(type)    (KVM_IRQ_BITMAP_SIZE_BYTES / sizeof(type))/* for KVM_CREATE_MEMORY_REGION */struct kvm_memory_region {	__u32 slot;	__u32 flags;	__u64 guest_phys_addr;	__u64 memory_size; /* bytes */};/* for kvm_memory_region::flags */#define KVM_MEM_LOG_DIRTY_PAGES  1UL#define KVM_EXIT_TYPE_FAIL_ENTRY 1#define KVM_EXIT_TYPE_VM_EXIT    2enum kvm_exit_reason {	KVM_EXIT_UNKNOWN          = 0,	KVM_EXIT_EXCEPTION        = 1,	KVM_EXIT_IO               = 2,	KVM_EXIT_CPUID            = 3,	KVM_EXIT_DEBUG            = 4,	KVM_EXIT_HLT              = 5,	KVM_EXIT_MMIO             = 6,	KVM_EXIT_IRQ_WINDOW_OPEN  = 7,	KVM_EXIT_SHUTDOWN         = 8,};/* for KVM_RUN */struct kvm_run {	/* in */	__u32 emulated;  /* skip current instruction */	__u32 mmio_completed; /* mmio request completed */	__u8 request_interrupt_window;	__u8 padding1[7];	/* out */	__u32 exit_type;	__u32 exit_reason;	__u32 instruction_length;	__u8 ready_for_interrupt_injection;	__u8 if_flag;	__u16 padding2;	/* in (pre_kvm_run), out (post_kvm_run) */	__u64 cr8;	__u64 apic_base;	union {		/* KVM_EXIT_UNKNOWN */		struct {			__u32 hardware_exit_reason;		} hw;		/* 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 */			__u8 string;			__u8 string_down;			__u8 rep;			__u8 pad;			__u16 port;			__u64 count;			union {				__u64 address;				__u32 value;			};		} io;		struct {		} debug;		/* KVM_EXIT_MMIO */		struct {			__u64 phys_addr;			__u8  data[8];			__u32 len;			__u8  is_write;		} mmio;	};};/* 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;};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_IRQ_BITMAP_SIZE(__u64)];};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[0];};/* for KVM_GET_MSR_INDEX_LIST */struct kvm_msr_list {	__u32 nmsrs; /* number of msrs in entries */	__u32 indices[0];};/* 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;};struct kvm_breakpoint {	__u32 enabled;	__u32 padding;	__u64 address;};/* for KVM_DEBUG_GUEST */struct kvm_debug_guest {	/* int */	__u32 enabled;	__u32 pad;	struct kvm_breakpoint breakpoints[4];	__u32 singlestep;};/* for KVM_GET_DIRTY_LOG and KVM_GET_MEM_MAP */struct kvm_dirty_log {	__u32 slot;	__u32 padding;	union {		void __user *dirty_bitmap; /* one bit per page */		__u64 padding;	};};#define KVMIO 0xAE/* * ioctls for /dev/kvm fds: */#define KVM_GET_API_VERSION       _IO(KVMIO, 1)#define KVM_CREATE_VM             _IO(KVMIO, 2) /* returns a VM fd */#define KVM_GET_MSR_INDEX_LIST    _IOWR(KVMIO, 15, struct kvm_msr_list)/* * ioctls for VM fds */#define KVM_SET_MEMORY_REGION     _IOW(KVMIO, 10, struct kvm_memory_region)/* * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns * a vcpu fd. */#define KVM_CREATE_VCPU           _IOW(KVMIO, 11, int)#define KVM_GET_DIRTY_LOG         _IOW(KVMIO, 12, struct kvm_dirty_log)#define KVM_GET_MEM_MAP           _IOW(KVMIO, 16, struct kvm_dirty_log)/* * ioctls for vcpu fds */#define KVM_RUN                   _IOWR(KVMIO, 2, struct kvm_run)#define KVM_GET_REGS              _IOR(KVMIO, 3, struct kvm_regs)#define KVM_SET_REGS              _IOW(KVMIO, 4, struct kvm_regs)#define KVM_GET_SREGS             _IOR(KVMIO, 5, struct kvm_sregs)#define KVM_SET_SREGS             _IOW(KVMIO, 6, struct kvm_sregs)#define KVM_TRANSLATE             _IOWR(KVMIO, 7, struct kvm_translation)#define KVM_INTERRUPT             _IOW(KVMIO, 8, struct kvm_interrupt)#define KVM_DEBUG_GUEST           _IOW(KVMIO, 9, struct kvm_debug_guest)#define KVM_GET_MSRS              _IOWR(KVMIO, 13, struct kvm_msrs)#define KVM_SET_MSRS              _IOW(KVMIO, 14, struct kvm_msrs)#endif