[linux.git] / include / linux / kvm.h

#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 <asm/types.h>
#include <linux/ioctl.h>

#define KVM_API_VERSION 12

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

/* 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

struct kvm_memory_alias {
	__u32 slot;  /* this has a different namespace than memory slots */
	__u32 flags;
	__u64 guest_phys_addr;
	__u64 memory_size;
	__u64 target_phys_addr;
};

/* 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..
	 */
	__u32 irq;
	__u32 level;
};

/* 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

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

#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

/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
struct kvm_run {
	/* in */
	__u8 request_interrupt_window;
	__u8 padding1[7];

	/* out */
	__u32 exit_reason;
	__u8 ready_for_interrupt_injection;
	__u8 if_flag;
	__u8 padding2[2];

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

	union {
		/* KVM_EXIT_UNKNOWN */
		struct {
			__u64 hardware_exit_reason;
		} hw;
		/* KVM_EXIT_FAIL_ENTRY */
		struct {
			__u64 hardware_entry_failure_reason;
		} fail_entry;
		/* KVM_EXIT_EXCEPTION */
		struct {
			__u32 exception;
			__u32 error_code;
		} ex;
		/* KVM_EXIT_IO */
		struct kvm_io {
#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;
		struct {
		} debug;
		/* KVM_EXIT_MMIO */
		struct {
			__u64 phys_addr;
			__u8  data[8];
			__u32 len;
			__u8  is_write;
		} mmio;
		/* KVM_EXIT_HYPERCALL */
		struct {
			__u64 nr;
			__u64 args[6];
			__u64 ret;
			__u32 longmode;
			__u32 pad;
		} hypercall;
		/* Fix the size of the union. */
		char padding[256];
	};
};

/* 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_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;
};

/* 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_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 */
struct kvm_dirty_log {
	__u32 slot;
	__u32 padding;
	union {
		void __user *dirty_bitmap; /* one bit per page */
		__u64 padding;
	};
};

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[0];
};

/* for KVM_SET_SIGNAL_MASK */
struct kvm_signal_mask {
	__u32 len;
	__u8  sigset[0];
};

#define KVMIO 0xAE

/*
 * 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)
/*
 * 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 */

/*
 * Extension capability list.
 */
#define KVM_CAP_IRQCHIP	  0
#define KVM_CAP_HLT	  1

/*
 * ioctls for VM fds
 */
#define KVM_SET_MEMORY_REGION     _IOW(KVMIO, 0x40, struct kvm_memory_region)
/*
 * 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_MEMORY_ALIAS      _IOW(KVMIO, 0x43, struct kvm_memory_alias)
/* 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)

/*
 * 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_DEBUG_GUEST           _IOW(KVMIO,  0x87, struct kvm_debug_guest)
#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)

#endif
Commit	Line	Data
6aa8b732 AK	1	#ifndef __LINUX_KVM_H
	2	#define __LINUX_KVM_H
	3
	4	/*
	5	* Userspace interface for /dev/kvm - kernel based virtual machine
	6	*
dea8caee	7	* Note: you must update KVM_API_VERSION if you change this interface.
6aa8b732 AK	8	*/
	9
	10	#include <asm/types.h>
	11	#include <linux/ioctl.h>
	12
2ff81f70	13	#define KVM_API_VERSION 12
0b76e20b	14
9eb829ce	15	/* Architectural interrupt line count. */
6aa8b732	16	#define KVM_NR_INTERRUPTS 256
6aa8b732 AK	17
	18	/* for KVM_CREATE_MEMORY_REGION */
	19	struct kvm_memory_region {
	20	__u32 slot;
	21	__u32 flags;
	22	__u64 guest_phys_addr;
	23	__u64 memory_size; /* bytes */
	24	};
	25
	26	/* for kvm_memory_region::flags */
	27	#define KVM_MEM_LOG_DIRTY_PAGES 1UL
	28
e8207547 AK	29	struct kvm_memory_alias {
	30	__u32 slot; /* this has a different namespace than memory slots */
	31	__u32 flags;
	32	__u64 guest_phys_addr;
	33	__u64 memory_size;
	34	__u64 target_phys_addr;
	35	};
6aa8b732	36
97222cc8	37	/* for KVM_IRQ_LINE */
85f455f7 ED	38	struct kvm_irq_level {
	39	/*
	40	* ACPI gsi notion of irq.
	41	* For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
	42	* For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
	43	*/
	44	__u32 irq;
	45	__u32 level;
	46	};
	47
6bf9e962	48	/* for KVM_GET_IRQCHIP and KVM_SET_IRQCHIP */
6ceb9d79 HQ	49	struct kvm_pic_state {
	50	__u8 last_irr; /* edge detection */
	51	__u8 irr; /* interrupt request register */
	52	__u8 imr; /* interrupt mask register */
	53	__u8 isr; /* interrupt service register */
	54	__u8 priority_add; /* highest irq priority */
	55	__u8 irq_base;
	56	__u8 read_reg_select;
	57	__u8 poll;
	58	__u8 special_mask;
	59	__u8 init_state;
	60	__u8 auto_eoi;
	61	__u8 rotate_on_auto_eoi;
	62	__u8 special_fully_nested_mode;
	63	__u8 init4; /* true if 4 byte init */
	64	__u8 elcr; /* PIIX edge/trigger selection */
	65	__u8 elcr_mask;
	66	};
	67
6bf9e962 HQ	68	#define KVM_IOAPIC_NUM_PINS 24
	69	struct kvm_ioapic_state {
	70	__u64 base_address;
	71	__u32 ioregsel;
	72	__u32 id;
	73	__u32 irr;
	74	__u32 pad;
	75	union {
	76	__u64 bits;
	77	struct {
	78	__u8 vector;
	79	__u8 delivery_mode:3;
	80	__u8 dest_mode:1;
	81	__u8 delivery_status:1;
	82	__u8 polarity:1;
	83	__u8 remote_irr:1;
	84	__u8 trig_mode:1;
	85	__u8 mask:1;
	86	__u8 reserve:7;
	87	__u8 reserved[4];
	88	__u8 dest_id;
	89	} fields;
	90	} redirtbl[KVM_IOAPIC_NUM_PINS];
	91	};
	92
8a45450d AK	93	#define KVM_IRQCHIP_PIC_MASTER 0
	94	#define KVM_IRQCHIP_PIC_SLAVE 1
	95	#define KVM_IRQCHIP_IOAPIC 2
6ceb9d79 HQ	96
	97	struct kvm_irqchip {
	98	__u32 chip_id;
	99	__u32 pad;
	100	union {
	101	char dummy[512]; /* reserving space */
	102	struct kvm_pic_state pic;
6bf9e962	103	struct kvm_ioapic_state ioapic;
6ceb9d79 HQ	104	} chip;
	105	};
	106
8a45450d AK	107	#define KVM_EXIT_UNKNOWN 0
	108	#define KVM_EXIT_EXCEPTION 1
	109	#define KVM_EXIT_IO 2
	110	#define KVM_EXIT_HYPERCALL 3
	111	#define KVM_EXIT_DEBUG 4
	112	#define KVM_EXIT_HLT 5
	113	#define KVM_EXIT_MMIO 6
	114	#define KVM_EXIT_IRQ_WINDOW_OPEN 7
	115	#define KVM_EXIT_SHUTDOWN 8
	116	#define KVM_EXIT_FAIL_ENTRY 9
	117	#define KVM_EXIT_INTR 10
	118	#define KVM_EXIT_SET_TPR 11
6aa8b732	119
9a2bb7f4	120	/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
6aa8b732 AK	121	struct kvm_run {
6aa8b732 AK	122	/* in */
c1150d8c	123	__u8 request_interrupt_window;
02c83209	124	__u8 padding1[7];
6aa8b732 AK	125
6aa8b732 AK	126	/* out */
6aa8b732	127	__u32 exit_reason;
c1150d8c DL	128	__u8 ready_for_interrupt_injection;
c1150d8c DL	129	__u8 if_flag;
2ff81f70	130	__u8 padding2[2];
54810342 DL	131
54810342 DL	132	/* in (pre_kvm_run), out (post_kvm_run) */
c1150d8c DL	133	__u64 cr8;
	134	__u64 apic_base;
	135
6aa8b732 AK	136	union {
	137	/* KVM_EXIT_UNKNOWN */
	138	struct {
8eb7d334	139	__u64 hardware_exit_reason;
6aa8b732	140	} hw;
8eb7d334 AK	141	/* KVM_EXIT_FAIL_ENTRY */
	142	struct {
	143	__u64 hardware_entry_failure_reason;
	144	} fail_entry;
6aa8b732 AK	145	/* KVM_EXIT_EXCEPTION */
	146	struct {
	147	__u32 exception;
	148	__u32 error_code;
	149	} ex;
	150	/* KVM_EXIT_IO */
46fc1477	151	struct kvm_io {
6aa8b732 AK	152	#define KVM_EXIT_IO_IN 0
	153	#define KVM_EXIT_IO_OUT 1
	154	__u8 direction;
	155	__u8 size; /* bytes */
6aa8b732	156	__u16 port;
039576c0 AK	157	__u32 count;
039576c0 AK	158	__u64 data_offset; /* relative to kvm_run start */
6aa8b732 AK	159	} io;
	160	struct {
	161	} debug;
	162	/* KVM_EXIT_MMIO */
	163	struct {
	164	__u64 phys_addr;
	165	__u8 data[8];
	166	__u32 len;
	167	__u8 is_write;
	168	} mmio;
b4e63f56 AK	169	/* KVM_EXIT_HYPERCALL */
b4e63f56 AK	170	struct {
519ef353	171	__u64 nr;
b4e63f56 AK	172	__u64 args[6];
	173	__u64 ret;
	174	__u32 longmode;
	175	__u32 pad;
	176	} hypercall;
24cbc7e9 AK	177	/* Fix the size of the union. */
24cbc7e9 AK	178	char padding[256];
6aa8b732 AK	179	};
	180	};
	181
	182	/* for KVM_GET_REGS and KVM_SET_REGS */
	183	struct kvm_regs {
6aa8b732 AK	184	/* out (KVM_GET_REGS) / in (KVM_SET_REGS) */
	185	__u64 rax, rbx, rcx, rdx;
	186	__u64 rsi, rdi, rsp, rbp;
	187	__u64 r8, r9, r10, r11;
	188	__u64 r12, r13, r14, r15;
	189	__u64 rip, rflags;
	190	};
	191
b8836737 AK	192	/* for KVM_GET_FPU and KVM_SET_FPU */
	193	struct kvm_fpu {
	194	__u8 fpr[8][16];
	195	__u16 fcw;
	196	__u16 fsw;
	197	__u8 ftwx; /* in fxsave format */
	198	__u8 pad1;
	199	__u16 last_opcode;
	200	__u64 last_ip;
	201	__u64 last_dp;
	202	__u8 xmm[16][16];
	203	__u32 mxcsr;
	204	__u32 pad2;
	205	};
	206
96ad2cc6 ED	207	/* for KVM_GET_LAPIC and KVM_SET_LAPIC */
	208	#define KVM_APIC_REG_SIZE 0x400
	209	struct kvm_lapic_state {
	210	char regs[KVM_APIC_REG_SIZE];
	211	};
	212
6aa8b732 AK	213	struct kvm_segment {
	214	__u64 base;
	215	__u32 limit;
	216	__u16 selector;
	217	__u8 type;
	218	__u8 present, dpl, db, s, l, g, avl;
	219	__u8 unusable;
	220	__u8 padding;
	221	};
	222
	223	struct kvm_dtable {
	224	__u64 base;
	225	__u16 limit;
	226	__u16 padding[3];
	227	};
	228
	229	/* for KVM_GET_SREGS and KVM_SET_SREGS */
	230	struct kvm_sregs {
6aa8b732 AK	231	/* out (KVM_GET_SREGS) / in (KVM_SET_SREGS) */
	232	struct kvm_segment cs, ds, es, fs, gs, ss;
	233	struct kvm_segment tr, ldt;
	234	struct kvm_dtable gdt, idt;
	235	__u64 cr0, cr2, cr3, cr4, cr8;
	236	__u64 efer;
	237	__u64 apic_base;
9eb829ce	238	__u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64];
6aa8b732 AK	239	};
	240
	241	struct kvm_msr_entry {
	242	__u32 index;
	243	__u32 reserved;
	244	__u64 data;
	245	};
	246
	247	/* for KVM_GET_MSRS and KVM_SET_MSRS */
	248	struct kvm_msrs {
6aa8b732	249	__u32 nmsrs; /* number of msrs in entries */
bccf2150	250	__u32 pad;
6aa8b732 AK	251
	252	struct kvm_msr_entry entries[0];
	253	};
	254
	255	/* for KVM_GET_MSR_INDEX_LIST */
	256	struct kvm_msr_list {
	257	__u32 nmsrs; /* number of msrs in entries */
	258	__u32 indices[0];
	259	};
	260
	261	/* for KVM_TRANSLATE */
	262	struct kvm_translation {
	263	/* in */
	264	__u64 linear_address;
6aa8b732 AK	265
	266	/* out */
	267	__u64 physical_address;
	268	__u8 valid;
	269	__u8 writeable;
	270	__u8 usermode;
8cd13307	271	__u8 pad[5];
6aa8b732 AK	272	};
	273
	274	/* for KVM_INTERRUPT */
	275	struct kvm_interrupt {
	276	/* in */
6aa8b732 AK	277	__u32 irq;
	278	};
	279
	280	struct kvm_breakpoint {
	281	__u32 enabled;
	282	__u32 padding;
	283	__u64 address;
	284	};
	285
	286	/* for KVM_DEBUG_GUEST */
	287	struct kvm_debug_guest {
	288	/* int */
6aa8b732	289	__u32 enabled;
bccf2150	290	__u32 pad;
6aa8b732 AK	291	struct kvm_breakpoint breakpoints[4];
	292	__u32 singlestep;
	293	};
	294
	295	/* for KVM_GET_DIRTY_LOG */
	296	struct kvm_dirty_log {
	297	__u32 slot;
	298	__u32 padding;
	299	union {
	300	void __user dirty_bitmap; / one bit per page */
	301	__u64 padding;
	302	};
	303	};
	304
06465c5a AK	305	struct kvm_cpuid_entry {
	306	__u32 function;
	307	__u32 eax;
	308	__u32 ebx;
	309	__u32 ecx;
	310	__u32 edx;
	311	__u32 padding;
	312	};
	313
	314	/* for KVM_SET_CPUID */
	315	struct kvm_cpuid {
	316	__u32 nent;
	317	__u32 padding;
	318	struct kvm_cpuid_entry entries[0];
	319	};
	320
1961d276 AK	321	/* for KVM_SET_SIGNAL_MASK */
	322	struct kvm_signal_mask {
	323	__u32 len;
	324	__u8 sigset[0];
	325	};
	326
6aa8b732 AK	327	#define KVMIO 0xAE
6aa8b732 AK	328
f17abe9a AK	329	/*
	330	* ioctls for /dev/kvm fds:
	331	*/
739872c5 AK	332	#define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
	333	#define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
	334	#define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
5d308f45 AK	335	/*
	336	* Check if a kvm extension is available. Argument is extension number,
	337	* return is 1 (yes) or 0 (no, sorry).
	338	*/
	339	#define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
07c45a36 AK	340	/*
	341	* Get size for mmap(vcpu_fd)
	342	*/
	343	#define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
f17abe9a	344
85f455f7 ED	345	/*
	346	* Extension capability list.
	347	*/
	348	#define KVM_CAP_IRQCHIP 0
b6958ce4	349	#define KVM_CAP_HLT 1
85f455f7	350
f17abe9a AK	351	/*
	352	* ioctls for VM fds
	353	*/
739872c5	354	#define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
bccf2150 AK	355	/*
	356	* KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
	357	* a vcpu fd.
	358	*/
739872c5 AK	359	#define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
739872c5 AK	360	#define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
e8207547	361	#define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
85f455f7 ED	362	/* Device model IOC */
85f455f7 ED	363	#define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
97222cc8	364	#define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
6ceb9d79 HQ	365	#define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
6ceb9d79 HQ	366	#define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
bccf2150 AK	367
	368	/*
	369	* ioctls for vcpu fds
	370	*/
739872c5 AK	371	#define KVM_RUN _IO(KVMIO, 0x80)
	372	#define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
	373	#define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
	374	#define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
	375	#define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
	376	#define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
	377	#define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
	378	#define KVM_DEBUG_GUEST _IOW(KVMIO, 0x87, struct kvm_debug_guest)
	379	#define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
	380	#define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
	381	#define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1961d276	382	#define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
b8836737 AK	383	#define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
b8836737 AK	384	#define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
96ad2cc6 ED	385	#define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
96ad2cc6 ED	386	#define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
6aa8b732 AK	387
6aa8b732 AK	388	#endif