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

#define KVM_API_VERSION 12

/* for KVM_TRACE_ENABLE */
struct kvm_user_trace_setup {
	__u32 buf_size; /* sub_buffer size of each per-cpu */
	__u32 buf_nr; /* the number of sub_buffers of each per-cpu */
};

/* for KVM_CREATE_MEMORY_REGION */
struct kvm_memory_region {
	__u32 slot;
	__u32 flags;
	__u64 guest_phys_addr;
	__u64 memory_size; /* bytes */
};

/* 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_memory_region::flags */
#define KVM_MEM_LOG_DIRTY_PAGES  1UL


/* 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;
};


struct kvm_irqchip {
	__u32 chip_id;
	__u32 pad;
        union {
		char dummy[512];  /* reserving space */
#ifdef CONFIG_X86
		struct kvm_pic_state pic;
#endif
#if defined(CONFIG_X86) || defined(CONFIG_IA64)
		struct kvm_ioapic_state ioapic;
#endif
	} 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
#define KVM_EXIT_TPR_ACCESS       12
#define KVM_EXIT_S390_SIEIC       13
#define KVM_EXIT_S390_RESET       14
#define KVM_EXIT_DCR              15
#define KVM_EXIT_NMI              16

/* 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;
		/* KVM_EXIT_TPR_ACCESS */
		struct {
			__u64 rip;
			__u32 is_write;
			__u32 pad;
		} tpr_access;
		/* KVM_EXIT_S390_SIEIC */
		struct {
			__u8 icptcode;
			__u64 mask; /* psw upper half */
			__u64 addr; /* psw lower half */
			__u16 ipa;
			__u32 ipb;
		} s390_sieic;
		/* KVM_EXIT_S390_RESET */
#define KVM_S390_RESET_POR       1
#define KVM_S390_RESET_CLEAR     2
#define KVM_S390_RESET_SUBSYSTEM 4
#define KVM_S390_RESET_CPU_INIT  8
#define KVM_S390_RESET_IPL       16
		__u64 s390_reset_flags;
		/* KVM_EXIT_DCR */
		struct {
			__u32 dcrn;
			__u32 data;
			__u8  is_write;
		} dcr;
		/* Fix the size of the union. */
		char padding[256];
	};
};

/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */

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

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

struct kvm_coalesced_mmio_ring {
	__u32 first, last;
	struct kvm_coalesced_mmio coalesced_mmio[0];
};

#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;
};

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;
	};
};

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

/* 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_MPSTATE */

#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

struct kvm_mp_state {
	__u32 mp_state;
};

struct kvm_s390_psw {
	__u64 mask;
	__u64 addr;
};

/* valid values for type in kvm_s390_interrupt */
#define KVM_S390_SIGP_STOP		0xfffe0000u
#define KVM_S390_PROGRAM_INT		0xfffe0001u
#define KVM_S390_SIGP_SET_PREFIX	0xfffe0002u
#define KVM_S390_RESTART		0xfffe0003u
#define KVM_S390_INT_VIRTIO		0xffff2603u
#define KVM_S390_INT_SERVICE		0xffff2401u
#define KVM_S390_INT_EMERGENCY		0xffff1201u

struct kvm_s390_interrupt {
	__u32 type;
	__u32 parm;
	__u64 parm64;
};

#define KVM_TRC_SHIFT           16
/*
 * kvm trace categories
 */
#define KVM_TRC_ENTRYEXIT       (1 << KVM_TRC_SHIFT)
#define KVM_TRC_HANDLER         (1 << (KVM_TRC_SHIFT + 1)) /* only 12 bits */

/*
 * kvm trace action
 */
#define KVM_TRC_VMENTRY         (KVM_TRC_ENTRYEXIT + 0x01)
#define KVM_TRC_VMEXIT          (KVM_TRC_ENTRYEXIT + 0x02)
#define KVM_TRC_PAGE_FAULT      (KVM_TRC_HANDLER + 0x01)

#define KVM_TRC_HEAD_SIZE       12
#define KVM_TRC_CYCLE_SIZE      8
#define KVM_TRC_EXTRA_MAX       7

/* This structure represents a single trace buffer record. */
struct kvm_trace_rec {
	/* variable rec_val
	 * is split into:
	 * bits 0 - 27  -> event id
	 * bits 28 -30  -> number of extra data args of size u32
	 * bits 31      -> binary indicator for if tsc is in record
	 */
	__u32 rec_val;
	__u32 pid;
	__u32 vcpu_id;
	union {
		struct {
			__u64 timestamp;
			__u32 extra_u32[KVM_TRC_EXTRA_MAX];
		} __attribute__((packed)) timestamp;
		struct {
			__u32 extra_u32[KVM_TRC_EXTRA_MAX];
		} notimestamp;
	} u;
};

#define TRACE_REC_EVENT_ID(val) \
		(0x0fffffff & (val))
#define TRACE_REC_NUM_DATA_ARGS(val) \
		(0x70000000 & ((val) << 28))
#define TRACE_REC_TCS(val) \
		(0x80000000 & ((val) << 31))

#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)

#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)
/*
 * ioctls for kvm trace
 */
#define KVM_TRACE_ENABLE          _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
#define KVM_TRACE_PAUSE           _IO(KVMIO,  0x07)
#define KVM_TRACE_DISABLE         _IO(KVMIO,  0x08)
/*
 * 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 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 */
#if defined(CONFIG_X86)||defined(CONFIG_IA64)
#define KVM_CAP_DEVICE_ASSIGNMENT 17
#endif
#define KVM_CAP_IOMMU 18
#if defined(CONFIG_X86)
#define KVM_CAP_DEVICE_MSI 20
#endif
/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
#if defined(CONFIG_X86)
#define KVM_CAP_USER_NMI 22
#endif

/*
 * ioctls for VM fds
 */
#define KVM_SET_MEMORY_REGION     _IOW(KVMIO, 0x40, struct kvm_memory_region)
#define KVM_SET_NR_MMU_PAGES      _IO(KVMIO, 0x44)
#define KVM_GET_NR_MMU_PAGES      _IO(KVMIO, 0x45)
#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46,\
					struct kvm_userspace_memory_region)
#define KVM_SET_TSS_ADDR          _IO(KVMIO, 0x47)
/*
 * 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)
#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_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_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
				   struct kvm_assigned_pci_dev)
#define KVM_ASSIGN_IRQ _IOR(KVMIO, 0x70, \
			    struct kvm_assigned_irq)

/*
 * 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)
#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_NMI */
#define KVM_NMI                   _IO(KVMIO,  0x9a)

#define KVM_TRC_INJ_VIRQ         (KVM_TRC_HANDLER + 0x02)
#define KVM_TRC_REDELIVER_EVT    (KVM_TRC_HANDLER + 0x03)
#define KVM_TRC_PEND_INTR        (KVM_TRC_HANDLER + 0x04)
#define KVM_TRC_IO_READ          (KVM_TRC_HANDLER + 0x05)
#define KVM_TRC_IO_WRITE         (KVM_TRC_HANDLER + 0x06)
#define KVM_TRC_CR_READ          (KVM_TRC_HANDLER + 0x07)
#define KVM_TRC_CR_WRITE         (KVM_TRC_HANDLER + 0x08)
#define KVM_TRC_DR_READ          (KVM_TRC_HANDLER + 0x09)
#define KVM_TRC_DR_WRITE         (KVM_TRC_HANDLER + 0x0A)
#define KVM_TRC_MSR_READ         (KVM_TRC_HANDLER + 0x0B)
#define KVM_TRC_MSR_WRITE        (KVM_TRC_HANDLER + 0x0C)
#define KVM_TRC_CPUID            (KVM_TRC_HANDLER + 0x0D)
#define KVM_TRC_INTR             (KVM_TRC_HANDLER + 0x0E)
#define KVM_TRC_NMI              (KVM_TRC_HANDLER + 0x0F)
#define KVM_TRC_VMMCALL          (KVM_TRC_HANDLER + 0x10)
#define KVM_TRC_HLT              (KVM_TRC_HANDLER + 0x11)
#define KVM_TRC_CLTS             (KVM_TRC_HANDLER + 0x12)
#define KVM_TRC_LMSW             (KVM_TRC_HANDLER + 0x13)
#define KVM_TRC_APIC_ACCESS      (KVM_TRC_HANDLER + 0x14)
#define KVM_TRC_TDP_FAULT        (KVM_TRC_HANDLER + 0x15)
#define KVM_TRC_GTLB_WRITE       (KVM_TRC_HANDLER + 0x16)
#define KVM_TRC_STLB_WRITE       (KVM_TRC_HANDLER + 0x17)
#define KVM_TRC_STLB_INVAL       (KVM_TRC_HANDLER + 0x18)
#define KVM_TRC_PPC_INSTR        (KVM_TRC_HANDLER + 0x19)

struct kvm_assigned_pci_dev {
	__u32 assigned_dev_id;
	__u32 busnr;
	__u32 devfn;
	__u32 flags;
	union {
		__u32 reserved[12];
	};
};

struct kvm_assigned_irq {
	__u32 assigned_dev_id;
	__u32 host_irq;
	__u32 guest_irq;
	__u32 flags;
	union {
		struct {
			__u32 addr_lo;
			__u32 addr_hi;
			__u32 data;
		} guest_msi;
		__u32 reserved[12];
	};
};

#define KVM_DEV_ASSIGN_ENABLE_IOMMU	(1 << 0)

#define KVM_DEV_IRQ_ASSIGN_ENABLE_MSI	(1 << 0)

#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>
97646202	11	#include <linux/compiler.h>
6aa8b732	12	#include <linux/ioctl.h>
f6a40e3b	13	#include <asm/kvm.h>
6aa8b732	14
2ff81f70	15	#define KVM_API_VERSION 12
0b76e20b	16
2714d1d3 FEL	17	/* for KVM_TRACE_ENABLE */
	18	struct kvm_user_trace_setup {
	19	__u32 buf_size; /* sub_buffer size of each per-cpu */
	20	__u32 buf_nr; /* the number of sub_buffers of each per-cpu */
	21	};
	22
6aa8b732 AK	23	/* for KVM_CREATE_MEMORY_REGION */
	24	struct kvm_memory_region {
	25	__u32 slot;
	26	__u32 flags;
	27	__u64 guest_phys_addr;
	28	__u64 memory_size; /* bytes */
	29	};
	30
6fc138d2 IE	31	/* for KVM_SET_USER_MEMORY_REGION */
	32	struct kvm_userspace_memory_region {
	33	__u32 slot;
	34	__u32 flags;
	35	__u64 guest_phys_addr;
	36	__u64 memory_size; /* bytes */
	37	__u64 userspace_addr; /* start of the userspace allocated memory */
	38	};
	39
6aa8b732 AK	40	/* for kvm_memory_region::flags */
	41	#define KVM_MEM_LOG_DIRTY_PAGES 1UL
	42
	43
97222cc8	44	/* for KVM_IRQ_LINE */
85f455f7 ED	45	struct kvm_irq_level {
	46	/*
	47	* ACPI gsi notion of irq.
	48	* For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
	49	* For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
	50	*/
	51	__u32 irq;
	52	__u32 level;
	53	};
	54
6ceb9d79 HQ	55
	56	struct kvm_irqchip {
	57	__u32 chip_id;
	58	__u32 pad;
	59	union {
	60	char dummy[512]; /* reserving space */
51e29625	61	#ifdef CONFIG_X86
6ceb9d79	62	struct kvm_pic_state pic;
ec10f475 ZX	63	#endif
ec10f475 ZX	64	#if defined(CONFIG_X86) \|\| defined(CONFIG_IA64)
6bf9e962	65	struct kvm_ioapic_state ioapic;
51e29625	66	#endif
6ceb9d79 HQ	67	} chip;
	68	};
	69
8a45450d AK	70	#define KVM_EXIT_UNKNOWN 0
	71	#define KVM_EXIT_EXCEPTION 1
	72	#define KVM_EXIT_IO 2
	73	#define KVM_EXIT_HYPERCALL 3
	74	#define KVM_EXIT_DEBUG 4
	75	#define KVM_EXIT_HLT 5
	76	#define KVM_EXIT_MMIO 6
	77	#define KVM_EXIT_IRQ_WINDOW_OPEN 7
	78	#define KVM_EXIT_SHUTDOWN 8
	79	#define KVM_EXIT_FAIL_ENTRY 9
	80	#define KVM_EXIT_INTR 10
	81	#define KVM_EXIT_SET_TPR 11
b209749f	82	#define KVM_EXIT_TPR_ACCESS 12
8f2abe6a	83	#define KVM_EXIT_S390_SIEIC 13
e28acfea	84	#define KVM_EXIT_S390_RESET 14
b2312f05	85	#define KVM_EXIT_DCR 15
c4abb7c9	86	#define KVM_EXIT_NMI 16
6aa8b732	87
9a2bb7f4	88	/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
6aa8b732 AK	89	struct kvm_run {
6aa8b732 AK	90	/* in */
c1150d8c	91	__u8 request_interrupt_window;
4531220b	92	__u8 padding1[7];
6aa8b732 AK	93
6aa8b732 AK	94	/* out */
6aa8b732	95	__u32 exit_reason;
c1150d8c DL	96	__u8 ready_for_interrupt_injection;
c1150d8c DL	97	__u8 if_flag;
4531220b	98	__u8 padding2[2];
54810342 DL	99
54810342 DL	100	/* in (pre_kvm_run), out (post_kvm_run) */
c1150d8c DL	101	__u64 cr8;
	102	__u64 apic_base;
	103
6aa8b732 AK	104	union {
	105	/* KVM_EXIT_UNKNOWN */
	106	struct {
8eb7d334	107	__u64 hardware_exit_reason;
6aa8b732	108	} hw;
8eb7d334 AK	109	/* KVM_EXIT_FAIL_ENTRY */
	110	struct {
	111	__u64 hardware_entry_failure_reason;
	112	} fail_entry;
6aa8b732 AK	113	/* KVM_EXIT_EXCEPTION */
	114	struct {
	115	__u32 exception;
	116	__u32 error_code;
	117	} ex;
	118	/* KVM_EXIT_IO */
46fc1477	119	struct kvm_io {
6aa8b732 AK	120	#define KVM_EXIT_IO_IN 0
	121	#define KVM_EXIT_IO_OUT 1
	122	__u8 direction;
	123	__u8 size; /* bytes */
6aa8b732	124	__u16 port;
039576c0 AK	125	__u32 count;
039576c0 AK	126	__u64 data_offset; /* relative to kvm_run start */
6aa8b732 AK	127	} io;
	128	struct {
	129	} debug;
	130	/* KVM_EXIT_MMIO */
	131	struct {
	132	__u64 phys_addr;
	133	__u8 data[8];
	134	__u32 len;
	135	__u8 is_write;
	136	} mmio;
b4e63f56 AK	137	/* KVM_EXIT_HYPERCALL */
b4e63f56 AK	138	struct {
519ef353	139	__u64 nr;
b4e63f56 AK	140	__u64 args[6];
	141	__u64 ret;
	142	__u32 longmode;
	143	__u32 pad;
	144	} hypercall;
b209749f AK	145	/* KVM_EXIT_TPR_ACCESS */
	146	struct {
	147	__u64 rip;
	148	__u32 is_write;
	149	__u32 pad;
	150	} tpr_access;
8f2abe6a CB	151	/* KVM_EXIT_S390_SIEIC */
	152	struct {
	153	__u8 icptcode;
	154	__u64 mask; /* psw upper half */
	155	__u64 addr; /* psw lower half */
	156	__u16 ipa;
	157	__u32 ipb;
	158	} s390_sieic;
e28acfea CB	159	/* KVM_EXIT_S390_RESET */
	160	#define KVM_S390_RESET_POR 1
	161	#define KVM_S390_RESET_CLEAR 2
	162	#define KVM_S390_RESET_SUBSYSTEM 4
	163	#define KVM_S390_RESET_CPU_INIT 8
	164	#define KVM_S390_RESET_IPL 16
	165	__u64 s390_reset_flags;
b2312f05 HB	166	/* KVM_EXIT_DCR */
	167	struct {
	168	__u32 dcrn;
	169	__u32 data;
	170	__u8 is_write;
	171	} dcr;
24cbc7e9 AK	172	/* Fix the size of the union. */
24cbc7e9 AK	173	char padding[256];
6aa8b732 AK	174	};
	175	};
	176
5f94c174 LV	177	/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
	178
	179	struct kvm_coalesced_mmio_zone {
	180	__u64 addr;
	181	__u32 size;
	182	__u32 pad;
	183	};
	184
	185	struct kvm_coalesced_mmio {
	186	__u64 phys_addr;
	187	__u32 len;
	188	__u32 pad;
	189	__u8 data[8];
	190	};
	191
	192	struct kvm_coalesced_mmio_ring {
	193	__u32 first, last;
	194	struct kvm_coalesced_mmio coalesced_mmio[0];
	195	};
	196
	197	#define KVM_COALESCED_MMIO_MAX \
	198	((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
	199	sizeof(struct kvm_coalesced_mmio))
	200
6aa8b732 AK	201	/* for KVM_TRANSLATE */
	202	struct kvm_translation {
	203	/* in */
	204	__u64 linear_address;
6aa8b732 AK	205
	206	/* out */
	207	__u64 physical_address;
	208	__u8 valid;
	209	__u8 writeable;
	210	__u8 usermode;
8cd13307	211	__u8 pad[5];
6aa8b732 AK	212	};
	213
	214	/* for KVM_INTERRUPT */
	215	struct kvm_interrupt {
	216	/* in */
6aa8b732 AK	217	__u32 irq;
	218	};
	219
	220	struct kvm_breakpoint {
	221	__u32 enabled;
	222	__u32 padding;
	223	__u64 address;
	224	};
	225
	226	/* for KVM_DEBUG_GUEST */
	227	struct kvm_debug_guest {
	228	/* int */
6aa8b732	229	__u32 enabled;
bccf2150	230	__u32 pad;
6aa8b732 AK	231	struct kvm_breakpoint breakpoints[4];
	232	__u32 singlestep;
	233	};
	234
	235	/* for KVM_GET_DIRTY_LOG */
	236	struct kvm_dirty_log {
	237	__u32 slot;
	238	__u32 padding;
	239	union {
	240	void __user dirty_bitmap; / one bit per page */
	241	__u64 padding;
	242	};
	243	};
	244
1961d276 AK	245	/* for KVM_SET_SIGNAL_MASK */
	246	struct kvm_signal_mask {
	247	__u32 len;
	248	__u8 sigset[0];
	249	};
	250
b209749f AK	251	/* for KVM_TPR_ACCESS_REPORTING */
	252	struct kvm_tpr_access_ctl {
	253	__u32 enabled;
	254	__u32 flags;
	255	__u32 reserved[8];
	256	};
	257
b93463aa AK	258	/* for KVM_SET_VAPIC_ADDR */
	259	struct kvm_vapic_addr {
	260	__u64 vapic_addr;
	261	};
	262
62d9f0db MT	263	/* for KVM_SET_MPSTATE */
	264
	265	#define KVM_MP_STATE_RUNNABLE 0
	266	#define KVM_MP_STATE_UNINITIALIZED 1
	267	#define KVM_MP_STATE_INIT_RECEIVED 2
	268	#define KVM_MP_STATE_HALTED 3
	269	#define KVM_MP_STATE_SIPI_RECEIVED 4
	270
	271	struct kvm_mp_state {
	272	__u32 mp_state;
	273	};
	274
b0c632db HC	275	struct kvm_s390_psw {
	276	__u64 mask;
	277	__u64 addr;
	278	};
	279
ba5c1e9b CO	280	/* valid values for type in kvm_s390_interrupt */
	281	#define KVM_S390_SIGP_STOP 0xfffe0000u
	282	#define KVM_S390_PROGRAM_INT 0xfffe0001u
	283	#define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
	284	#define KVM_S390_RESTART 0xfffe0003u
	285	#define KVM_S390_INT_VIRTIO 0xffff2603u
	286	#define KVM_S390_INT_SERVICE 0xffff2401u
	287	#define KVM_S390_INT_EMERGENCY 0xffff1201u
	288
	289	struct kvm_s390_interrupt {
	290	__u32 type;
	291	__u32 parm;
	292	__u64 parm64;
	293	};
	294
2714d1d3 FEL	295	#define KVM_TRC_SHIFT 16
	296	/*
	297	* kvm trace categories
	298	*/
	299	#define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT)
	300	#define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1)) /* only 12 bits */
	301
	302	/*
	303	* kvm trace action
	304	*/
	305	#define KVM_TRC_VMENTRY (KVM_TRC_ENTRYEXIT + 0x01)
	306	#define KVM_TRC_VMEXIT (KVM_TRC_ENTRYEXIT + 0x02)
	307	#define KVM_TRC_PAGE_FAULT (KVM_TRC_HANDLER + 0x01)
	308
	309	#define KVM_TRC_HEAD_SIZE 12
	310	#define KVM_TRC_CYCLE_SIZE 8
	311	#define KVM_TRC_EXTRA_MAX 7
	312
	313	/* This structure represents a single trace buffer record. */
	314	struct kvm_trace_rec {
e32c8f2c CE	315	/* variable rec_val
	316	* is split into:
	317	* bits 0 - 27 -> event id
	318	* bits 28 -30 -> number of extra data args of size u32
	319	* bits 31 -> binary indicator for if tsc is in record
	320	*/
	321	__u32 rec_val;
2714d1d3 FEL	322	__u32 pid;
	323	__u32 vcpu_id;
	324	union {
	325	struct {
3f7f95c6	326	__u64 timestamp;
2714d1d3	327	__u32 extra_u32[KVM_TRC_EXTRA_MAX];
3f7f95c6	328	} __attribute__((packed)) timestamp;
2714d1d3 FEL	329	struct {
2714d1d3 FEL	330	__u32 extra_u32[KVM_TRC_EXTRA_MAX];
3f7f95c6	331	} notimestamp;
2714d1d3	332	} u;
1327138e	333	};
2714d1d3	334
e32c8f2c CE	335	#define TRACE_REC_EVENT_ID(val) \
	336	(0x0fffffff & (val))
	337	#define TRACE_REC_NUM_DATA_ARGS(val) \
	338	(0x70000000 & ((val) << 28))
	339	#define TRACE_REC_TCS(val) \
	340	(0x80000000 & ((val) << 31))
	341
6aa8b732 AK	342	#define KVMIO 0xAE
6aa8b732 AK	343
f17abe9a AK	344	/*
	345	* ioctls for /dev/kvm fds:
	346	*/
739872c5 AK	347	#define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
	348	#define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
	349	#define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
b0c632db HC	350
b0c632db HC	351	#define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
5d308f45 AK	352	/*
	353	* Check if a kvm extension is available. Argument is extension number,
	354	* return is 1 (yes) or 0 (no, sorry).
	355	*/
	356	#define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
07c45a36 AK	357	/*
	358	* Get size for mmap(vcpu_fd)
	359	*/
	360	#define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
674eea0f	361	#define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
2714d1d3 FEL	362	/*
	363	* ioctls for kvm trace
	364	*/
	365	#define KVM_TRACE_ENABLE _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
	366	#define KVM_TRACE_PAUSE _IO(KVMIO, 0x07)
	367	#define KVM_TRACE_DISABLE _IO(KVMIO, 0x08)
85f455f7 ED	368	/*
	369	* Extension capability list.
	370	*/
	371	#define KVM_CAP_IRQCHIP 0
b6958ce4	372	#define KVM_CAP_HLT 1
82ce2c96	373	#define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
6fc138d2	374	#define KVM_CAP_USER_MEMORY 3
cbc94022	375	#define KVM_CAP_SET_TSS_ADDR 4
b209749f	376	#define KVM_CAP_VAPIC 6
674eea0f	377	#define KVM_CAP_EXT_CPUID 7
18068523	378	#define KVM_CAP_CLOCKSOURCE 8
f725230a	379	#define KVM_CAP_NR_VCPUS 9 /* returns max vcpus per vm */
a988b910	380	#define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
7837699f	381	#define KVM_CAP_PIT 11
a28e4f5a	382	#define KVM_CAP_NOP_IO_DELAY 12
2f333bcb	383	#define KVM_CAP_PV_MMU 13
62d9f0db	384	#define KVM_CAP_MP_STATE 14
5f94c174	385	#define KVM_CAP_COALESCED_MMIO 15
ed848624	386	#define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
2381ad24	387	#if defined(CONFIG_X86)\|\|defined(CONFIG_IA64)
4d5c5d0f	388	#define KVM_CAP_DEVICE_ASSIGNMENT 17
8a98f664	389	#endif
62c476c7	390	#define KVM_CAP_IOMMU 18
6b9cc7fd SY	391	#if defined(CONFIG_X86)
	392	#define KVM_CAP_DEVICE_MSI 20
	393	#endif
1a811b61 AK	394	/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
1a811b61 AK	395	#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
4531220b JK	396	#if defined(CONFIG_X86)
	397	#define KVM_CAP_USER_NMI 22
	398	#endif
85f455f7	399
f17abe9a AK	400	/*
	401	* ioctls for VM fds
	402	*/
739872c5	403	#define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
82ce2c96 IE	404	#define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
82ce2c96 IE	405	#define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
6fc138d2 IE	406	#define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46,\
6fc138d2 IE	407	struct kvm_userspace_memory_region)
cbc94022	408	#define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
bccf2150 AK	409	/*
	410	* KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
	411	* a vcpu fd.
	412	*/
739872c5 AK	413	#define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
739872c5 AK	414	#define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
e8207547	415	#define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
85f455f7 ED	416	/* Device model IOC */
85f455f7 ED	417	#define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
97222cc8	418	#define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
6ceb9d79 HQ	419	#define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
6ceb9d79 HQ	420	#define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
7837699f	421	#define KVM_CREATE_PIT _IO(KVMIO, 0x64)
e0f63cb9 SY	422	#define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
e0f63cb9 SY	423	#define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
5f94c174 LV	424	#define KVM_REGISTER_COALESCED_MMIO \
	425	_IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
	426	#define KVM_UNREGISTER_COALESCED_MMIO \
	427	_IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
4d5c5d0f BAY	428	#define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
	429	struct kvm_assigned_pci_dev)
	430	#define KVM_ASSIGN_IRQ _IOR(KVMIO, 0x70, \
	431	struct kvm_assigned_irq)
bccf2150 AK	432
	433	/*
	434	* ioctls for vcpu fds
	435	*/
739872c5 AK	436	#define KVM_RUN _IO(KVMIO, 0x80)
	437	#define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
	438	#define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
	439	#define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
	440	#define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
	441	#define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
	442	#define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
	443	#define KVM_DEBUG_GUEST _IOW(KVMIO, 0x87, struct kvm_debug_guest)
	444	#define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
	445	#define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
	446	#define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1961d276	447	#define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
b8836737 AK	448	#define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
b8836737 AK	449	#define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
96ad2cc6 ED	450	#define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
96ad2cc6 ED	451	#define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
07716717 DK	452	#define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
07716717 DK	453	#define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
b209749f AK	454	/* Available with KVM_CAP_VAPIC */
b209749f AK	455	#define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
b93463aa AK	456	/* Available with KVM_CAP_VAPIC */
b93463aa AK	457	#define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
ba5c1e9b CO	458	/* valid for virtual machine (for floating interrupt)_and_ vcpu */
ba5c1e9b CO	459	#define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
b0c632db HC	460	/* store status for s390 */
	461	#define KVM_S390_STORE_STATUS_NOADDR (-1ul)
	462	#define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
	463	#define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
	464	/* initial ipl psw for s390 */
	465	#define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
	466	/* initial reset for s390 */
	467	#define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
62d9f0db MT	468	#define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
62d9f0db MT	469	#define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
c4abb7c9 JK	470	/* Available with KVM_CAP_NMI */
c4abb7c9 JK	471	#define KVM_NMI _IO(KVMIO, 0x9a)
6aa8b732	472
d98e6346 HB	473	#define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02)
	474	#define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03)
	475	#define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04)
	476	#define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05)
	477	#define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06)
	478	#define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07)
	479	#define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08)
	480	#define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09)
	481	#define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A)
	482	#define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B)
	483	#define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C)
	484	#define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D)
	485	#define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E)
	486	#define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F)
	487	#define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10)
	488	#define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11)
	489	#define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12)
	490	#define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13)
	491	#define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14)
	492	#define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15)
31711f22 JY	493	#define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16)
	494	#define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17)
	495	#define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18)
3b4bd796	496	#define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19)
d98e6346	497
4d5c5d0f BAY	498	struct kvm_assigned_pci_dev {
	499	__u32 assigned_dev_id;
	500	__u32 busnr;
	501	__u32 devfn;
	502	__u32 flags;
bb45e202 AK	503	union {
	504	__u32 reserved[12];
	505	};
4d5c5d0f BAY	506	};
	507
	508	struct kvm_assigned_irq {
	509	__u32 assigned_dev_id;
	510	__u32 host_irq;
	511	__u32 guest_irq;
	512	__u32 flags;
bb45e202	513	union {
0937c48d SY	514	struct {
	515	__u32 addr_lo;
	516	__u32 addr_hi;
	517	__u32 data;
	518	} guest_msi;
bb45e202 AK	519	__u32 reserved[12];
bb45e202 AK	520	};
4d5c5d0f BAY	521	};
4d5c5d0f BAY	522
62c476c7 BAY	523	#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
62c476c7 BAY	524
0937c48d SY	525	#define KVM_DEV_IRQ_ASSIGN_ENABLE_MSI (1 << 0)
0937c48d SY	526
6aa8b732	527	#endif