414 lines
11 KiB
C
414 lines
11 KiB
C
#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
|
|
|
|
/* 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_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 {
|
|
__u32 event:28;
|
|
__u32 extra_u32:3;
|
|
__u32 cycle_in:1;
|
|
__u32 pid;
|
|
__u32 vcpu_id;
|
|
union {
|
|
struct {
|
|
__u32 cycle_lo, cycle_hi;
|
|
__u32 extra_u32[KVM_TRC_EXTRA_MAX];
|
|
} cycle;
|
|
struct {
|
|
__u32 extra_u32[KVM_TRC_EXTRA_MAX];
|
|
} nocycle;
|
|
} u;
|
|
};
|
|
|
|
#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
|
|
|
|
/*
|
|
* 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)
|
|
|
|
/*
|
|
* 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)
|
|
|
|
#endif
|