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kvm.h
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kvm.h
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#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 <linux/const.h>
#include <linux/types.h>
#include <linux/compiler.h>
#include <linux/ioctl.h>
#include <asm/kvm.h>
#define KVM_API_VERSION 12
/* *** Deprecated interfaces *** */
#define KVM_TRC_SHIFT 16
#define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT)
#define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1))
#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
#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_user_trace_setup {
__u32 buf_size;
__u32 buf_nr;
};
#define __KVM_DEPRECATED_MAIN_W_0x06 \
_IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
#define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
#define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
#define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
struct kvm_breakpoint {
__u32 enabled;
__u32 padding;
__u64 address;
};
struct kvm_debug_guest {
__u32 enabled;
__u32 pad;
struct kvm_breakpoint breakpoints[4];
__u32 singlestep;
};
#define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
/* *** End of deprecated interfaces *** */
/* 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 */
};
/*
* The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
* other bits are reserved for kvm internal use which are defined in
* include/linux/kvm_host.h.
*/
#define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
#define KVM_MEM_READONLY (1UL << 1)
/* 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..
* For ARM: See Documentation/virt/kvm/api.rst
*/
union {
__u32 irq;
__s32 status;
};
__u32 level;
};
struct kvm_irqchip {
__u32 chip_id;
__u32 pad;
union {
char dummy[512]; /* reserving space */
#ifdef __KVM_HAVE_PIT
struct kvm_pic_state pic;
#endif
#ifdef __KVM_HAVE_IOAPIC
struct kvm_ioapic_state ioapic;
#endif
} chip;
};
/* for KVM_CREATE_PIT2 */
struct kvm_pit_config {
__u32 flags;
__u32 pad[15];
};
#define KVM_PIT_SPEAKER_DUMMY 1
struct kvm_s390_skeys {
__u64 start_gfn;
__u64 count;
__u64 skeydata_addr;
__u32 flags;
__u32 reserved[9];
};
#define KVM_S390_CMMA_PEEK (1 << 0)
/**
* kvm_s390_cmma_log - Used for CMMA migration.
*
* Used both for input and output.
*
* @start_gfn: Guest page number to start from.
* @count: Size of the result buffer.
* @flags: Control operation mode via KVM_S390_CMMA_* flags
* @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
* pages are still remaining.
* @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
* in the PGSTE.
* @values: Pointer to the values buffer.
*
* Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
*/
struct kvm_s390_cmma_log {
__u64 start_gfn;
__u32 count;
__u32 flags;
union {
__u64 remaining;
__u64 mask;
};
__u64 values;
};
struct kvm_hyperv_exit {
#define KVM_EXIT_HYPERV_SYNIC 1
#define KVM_EXIT_HYPERV_HCALL 2
#define KVM_EXIT_HYPERV_SYNDBG 3
__u32 type;
__u32 pad1;
union {
struct {
__u32 msr;
__u32 pad2;
__u64 control;
__u64 evt_page;
__u64 msg_page;
} synic;
struct {
__u64 input;
__u64 result;
__u64 params[2];
} hcall;
struct {
__u32 msr;
__u32 pad2;
__u64 control;
__u64 status;
__u64 send_page;
__u64 recv_page;
__u64 pending_page;
} syndbg;
} u;
};
struct kvm_xen_exit {
#define KVM_EXIT_XEN_HCALL 1
__u32 type;
union {
struct {
__u32 longmode;
__u32 cpl;
__u64 input;
__u64 result;
__u64 params[6];
} hcall;
} u;
};
#define KVM_S390_GET_SKEYS_NONE 1
#define KVM_S390_SKEYS_MAX 1048576
#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 /* deprecated */
#define KVM_EXIT_NMI 16
#define KVM_EXIT_INTERNAL_ERROR 17
#define KVM_EXIT_OSI 18
#define KVM_EXIT_PAPR_HCALL 19
#define KVM_EXIT_S390_UCONTROL 20
#define KVM_EXIT_WATCHDOG 21
#define KVM_EXIT_S390_TSCH 22
#define KVM_EXIT_EPR 23
#define KVM_EXIT_SYSTEM_EVENT 24
#define KVM_EXIT_S390_STSI 25
#define KVM_EXIT_IOAPIC_EOI 26
#define KVM_EXIT_HYPERV 27
#define KVM_EXIT_ARM_NISV 28
#define KVM_EXIT_X86_RDMSR 29
#define KVM_EXIT_X86_WRMSR 30
#define KVM_EXIT_DIRTY_RING_FULL 31
#define KVM_EXIT_AP_RESET_HOLD 32
#define KVM_EXIT_X86_BUS_LOCK 33
#define KVM_EXIT_XEN 34
#define KVM_EXIT_RISCV_SBI 35
/* For KVM_EXIT_INTERNAL_ERROR */
/* Emulate instruction failed. */
#define KVM_INTERNAL_ERROR_EMULATION 1
/* Encounter unexpected simultaneous exceptions. */
#define KVM_INTERNAL_ERROR_SIMUL_EX 2
/* Encounter unexpected vm-exit due to delivery event. */
#define KVM_INTERNAL_ERROR_DELIVERY_EV 3
/* Encounter unexpected vm-exit reason */
#define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4
/* Flags that describe what fields in emulation_failure hold valid data. */
#define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
struct kvm_run {
/* in */
__u8 request_interrupt_window;
__u8 immediate_exit;
__u8 padding1[6];
/* out */
__u32 exit_reason;
__u8 ready_for_interrupt_injection;
__u8 if_flag;
__u16 flags;
/* in (pre_kvm_run), out (post_kvm_run) */
__u64 cr8;
__u64 apic_base;
#ifdef __KVM_S390
/* the processor status word for s390 */
__u64 psw_mask; /* psw upper half */
__u64 psw_addr; /* psw lower half */
#endif
union {
/* KVM_EXIT_UNKNOWN */
struct {
__u64 hardware_exit_reason;
} hw;
/* KVM_EXIT_FAIL_ENTRY */
struct {
__u64 hardware_entry_failure_reason;
__u32 cpu;
} fail_entry;
/* 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 */
__u16 port;
__u32 count;
__u64 data_offset; /* relative to kvm_run start */
} io;
/* KVM_EXIT_DEBUG */
struct {
struct kvm_debug_exit_arch arch;
} 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;
__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_S390_UCONTROL */
struct {
__u64 trans_exc_code;
__u32 pgm_code;
} s390_ucontrol;
/* KVM_EXIT_DCR (deprecated) */
struct {
__u32 dcrn;
__u32 data;
__u8 is_write;
} dcr;
/* KVM_EXIT_INTERNAL_ERROR */
struct {
__u32 suberror;
/* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
__u32 ndata;
__u64 data[16];
} internal;
/*
* KVM_INTERNAL_ERROR_EMULATION
*
* "struct emulation_failure" is an overlay of "struct internal"
* that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
* KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error
* sub-types, this struct is ABI! It also needs to be backwards
* compatible with "struct internal". Take special care that
* "ndata" is correct, that new fields are enumerated in "flags",
* and that each flag enumerates fields that are 64-bit aligned
* and sized (so that ndata+internal.data[] is valid/accurate).
*
* Space beyond the defined fields may be used to store arbitrary
* debug information relating to the emulation failure. It is
* accounted for in "ndata" but the format is unspecified and is
* not represented in "flags". Any such information is *not* ABI!
*/
struct {
__u32 suberror;
__u32 ndata;
__u64 flags;
union {
struct {
__u8 insn_size;
__u8 insn_bytes[15];
};
};
/* Arbitrary debug data may follow. */
} emulation_failure;
/* KVM_EXIT_OSI */
struct {
__u64 gprs[32];
} osi;
/* KVM_EXIT_PAPR_HCALL */
struct {
__u64 nr;
__u64 ret;
__u64 args[9];
} papr_hcall;
/* KVM_EXIT_S390_TSCH */
struct {
__u16 subchannel_id;
__u16 subchannel_nr;
__u32 io_int_parm;
__u32 io_int_word;
__u32 ipb;
__u8 dequeued;
} s390_tsch;
/* KVM_EXIT_EPR */
struct {
__u32 epr;
} epr;
/* KVM_EXIT_SYSTEM_EVENT */
struct {
#define KVM_SYSTEM_EVENT_SHUTDOWN 1
#define KVM_SYSTEM_EVENT_RESET 2
#define KVM_SYSTEM_EVENT_CRASH 3
__u32 type;
__u64 flags;
} system_event;
/* KVM_EXIT_S390_STSI */
struct {
__u64 addr;
__u8 ar;
__u8 reserved;
__u8 fc;
__u8 sel1;
__u16 sel2;
} s390_stsi;
/* KVM_EXIT_IOAPIC_EOI */
struct {
__u8 vector;
} eoi;
/* KVM_EXIT_HYPERV */
struct kvm_hyperv_exit hyperv;
/* KVM_EXIT_ARM_NISV */
struct {
__u64 esr_iss;
__u64 fault_ipa;
} arm_nisv;
/* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
struct {
__u8 error; /* user -> kernel */
__u8 pad[7];
#define KVM_MSR_EXIT_REASON_INVAL (1 << 0)
#define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1)
#define KVM_MSR_EXIT_REASON_FILTER (1 << 2)
__u32 reason; /* kernel -> user */
__u32 index; /* kernel -> user */
__u64 data; /* kernel <-> user */
} msr;
/* KVM_EXIT_XEN */
struct kvm_xen_exit xen;
/* KVM_EXIT_RISCV_SBI */
struct {
unsigned long extension_id;
unsigned long function_id;
unsigned long args[6];
unsigned long ret[2];
} riscv_sbi;
/* Fix the size of the union. */
char padding[256];
};
/* 2048 is the size of the char array used to bound/pad the size
* of the union that holds sync regs.
*/
#define SYNC_REGS_SIZE_BYTES 2048
/*
* shared registers between kvm and userspace.
* kvm_valid_regs specifies the register classes set by the host
* kvm_dirty_regs specified the register classes dirtied by userspace
* struct kvm_sync_regs is architecture specific, as well as the
* bits for kvm_valid_regs and kvm_dirty_regs
*/
__u64 kvm_valid_regs;
__u64 kvm_dirty_regs;
union {
struct kvm_sync_regs regs;
char padding[SYNC_REGS_SIZE_BYTES];
} s;
};
/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
struct kvm_coalesced_mmio_zone {
__u64 addr;
__u32 size;
union {
__u32 pad;
__u32 pio;
};
};
struct kvm_coalesced_mmio {
__u64 phys_addr;
__u32 len;
union {
__u32 pad;
__u32 pio;
};
__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_S390_MEM_OP */
struct kvm_s390_mem_op {
/* in */
__u64 gaddr; /* the guest address */
__u64 flags; /* flags */
__u32 size; /* amount of bytes */
__u32 op; /* type of operation */
__u64 buf; /* buffer in userspace */
union {
__u8 ar; /* the access register number */
__u32 sida_offset; /* offset into the sida */
__u8 reserved[32]; /* should be set to 0 */
};
};
/* types for kvm_s390_mem_op->op */
#define KVM_S390_MEMOP_LOGICAL_READ 0
#define KVM_S390_MEMOP_LOGICAL_WRITE 1
#define KVM_S390_MEMOP_SIDA_READ 2
#define KVM_S390_MEMOP_SIDA_WRITE 3
/* flags for kvm_s390_mem_op->flags */
#define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
#define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
/* for KVM_INTERRUPT */
struct kvm_interrupt {
/* in */
__u32 irq;
};
/* for KVM_GET_DIRTY_LOG */
struct kvm_dirty_log {
__u32 slot;
__u32 padding1;
union {
void __user *dirty_bitmap; /* one bit per page */
__u64 padding2;
};
};
/* for KVM_CLEAR_DIRTY_LOG */
struct kvm_clear_dirty_log {
__u32 slot;
__u32 num_pages;
__u64 first_page;
union {
void __user *dirty_bitmap; /* one bit per page */
__u64 padding2;
};
};
/* 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_MP_STATE */
/* not all states are valid on all architectures */
#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
#define KVM_MP_STATE_STOPPED 5
#define KVM_MP_STATE_CHECK_STOP 6
#define KVM_MP_STATE_OPERATING 7
#define KVM_MP_STATE_LOAD 8
#define KVM_MP_STATE_AP_RESET_HOLD 9
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_PFAULT_INIT 0xfffe0004u
#define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
#define KVM_S390_MCHK 0xfffe1000u
#define KVM_S390_INT_CLOCK_COMP 0xffff1004u
#define KVM_S390_INT_CPU_TIMER 0xffff1005u
#define KVM_S390_INT_VIRTIO 0xffff2603u
#define KVM_S390_INT_SERVICE 0xffff2401u
#define KVM_S390_INT_EMERGENCY 0xffff1201u
#define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
/* Anything below 0xfffe0000u is taken by INT_IO */
#define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
(((schid)) | \
((ssid) << 16) | \
((cssid) << 18) | \
((ai) << 26))
#define KVM_S390_INT_IO_MIN 0x00000000u
#define KVM_S390_INT_IO_MAX 0xfffdffffu
#define KVM_S390_INT_IO_AI_MASK 0x04000000u
struct kvm_s390_interrupt {
__u32 type;
__u32 parm;
__u64 parm64;
};
struct kvm_s390_io_info {
__u16 subchannel_id;
__u16 subchannel_nr;
__u32 io_int_parm;
__u32 io_int_word;
};
struct kvm_s390_ext_info {
__u32 ext_params;
__u32 pad;
__u64 ext_params2;
};
struct kvm_s390_pgm_info {
__u64 trans_exc_code;
__u64 mon_code;
__u64 per_address;
__u32 data_exc_code;
__u16 code;
__u16 mon_class_nr;
__u8 per_code;
__u8 per_atmid;
__u8 exc_access_id;
__u8 per_access_id;
__u8 op_access_id;
#define KVM_S390_PGM_FLAGS_ILC_VALID 0x01
#define KVM_S390_PGM_FLAGS_ILC_0 0x02
#define KVM_S390_PGM_FLAGS_ILC_1 0x04
#define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
#define KVM_S390_PGM_FLAGS_NO_REWIND 0x08
__u8 flags;
__u8 pad[2];
};
struct kvm_s390_prefix_info {
__u32 address;
};
struct kvm_s390_extcall_info {
__u16 code;
};
struct kvm_s390_emerg_info {
__u16 code;
};
#define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
struct kvm_s390_stop_info {
__u32 flags;
};
struct kvm_s390_mchk_info {
__u64 cr14;
__u64 mcic;
__u64 failing_storage_address;
__u32 ext_damage_code;
__u32 pad;
__u8 fixed_logout[16];
};
struct kvm_s390_irq {
__u64 type;
union {
struct kvm_s390_io_info io;
struct kvm_s390_ext_info ext;
struct kvm_s390_pgm_info pgm;
struct kvm_s390_emerg_info emerg;
struct kvm_s390_extcall_info extcall;
struct kvm_s390_prefix_info prefix;
struct kvm_s390_stop_info stop;
struct kvm_s390_mchk_info mchk;
char reserved[64];
} u;
};
struct kvm_s390_irq_state {
__u64 buf;
__u32 flags; /* will stay unused for compatibility reasons */
__u32 len;
__u32 reserved[4]; /* will stay unused for compatibility reasons */
};
/* for KVM_SET_GUEST_DEBUG */
#define KVM_GUESTDBG_ENABLE 0x00000001
#define KVM_GUESTDBG_SINGLESTEP 0x00000002
struct kvm_guest_debug {
__u32 control;
__u32 pad;
struct kvm_guest_debug_arch arch;
};
enum {
kvm_ioeventfd_flag_nr_datamatch,
kvm_ioeventfd_flag_nr_pio,
kvm_ioeventfd_flag_nr_deassign,
kvm_ioeventfd_flag_nr_virtio_ccw_notify,
kvm_ioeventfd_flag_nr_fast_mmio,
kvm_ioeventfd_flag_nr_max,
};
#define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
#define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
#define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
#define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
(1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
#define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
struct kvm_ioeventfd {
__u64 datamatch;
__u64 addr; /* legal pio/mmio address */
__u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
__s32 fd;
__u32 flags;
__u8 pad[36];
};
#define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0)
#define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
#define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
#define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3)
#define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \
KVM_X86_DISABLE_EXITS_HLT | \
KVM_X86_DISABLE_EXITS_PAUSE | \
KVM_X86_DISABLE_EXITS_CSTATE)
/* for KVM_ENABLE_CAP */
struct kvm_enable_cap {
/* in */
__u32 cap;
__u32 flags;
__u64 args[4];
__u8 pad[64];
};
/* for KVM_PPC_GET_PVINFO */
#define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
struct kvm_ppc_pvinfo {
/* out */
__u32 flags;
__u32 hcall[4];
__u8 pad[108];
};
/* for KVM_PPC_GET_SMMU_INFO */
#define KVM_PPC_PAGE_SIZES_MAX_SZ 8
struct kvm_ppc_one_page_size {
__u32 page_shift; /* Page shift (or 0) */
__u32 pte_enc; /* Encoding in the HPTE (>>12) */
};
struct kvm_ppc_one_seg_page_size {
__u32 page_shift; /* Base page shift of segment (or 0) */
__u32 slb_enc; /* SLB encoding for BookS */
struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
};
#define KVM_PPC_PAGE_SIZES_REAL 0x00000001
#define KVM_PPC_1T_SEGMENTS 0x00000002
#define KVM_PPC_NO_HASH 0x00000004
struct kvm_ppc_smmu_info {
__u64 flags;
__u32 slb_size;
__u16 data_keys; /* # storage keys supported for data */
__u16 instr_keys; /* # storage keys supported for instructions */
struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
};
/* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
struct kvm_ppc_resize_hpt {
__u64 flags;
__u32 shift;
__u32 pad;
};
#define KVMIO 0xAE
/* machine type bits, to be used as argument to KVM_CREATE_VM */
#define KVM_VM_S390_UCONTROL 1
/* on ppc, 0 indicate default, 1 should force HV and 2 PR */
#define KVM_VM_PPC_HV 1
#define KVM_VM_PPC_PR 2
/* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
#define KVM_VM_MIPS_AUTO 0
#define KVM_VM_MIPS_VZ 1
#define KVM_VM_MIPS_TE 2
#define KVM_S390_SIE_PAGE_OFFSET 1
/*
* On arm64, machine type can be used to request the physical
* address size for the VM. Bits[7-0] are reserved for the guest
* PA size shift (i.e, log2(PA_Size)). For backward compatibility,
* value 0 implies the default IPA size, 40bits.
*/
#define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL
#define KVM_VM_TYPE_ARM_IPA_SIZE(x) \
((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
/*
* 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)
#define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06
#define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
#define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
#define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
#define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
/*
* 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 recommended 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 */
#define KVM_CAP_IOMMU 18
/* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
#define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
#define KVM_CAP_USER_NMI 22
#ifdef __KVM_HAVE_GUEST_DEBUG
#define KVM_CAP_SET_GUEST_DEBUG 23
#endif
#ifdef __KVM_HAVE_PIT
#define KVM_CAP_REINJECT_CONTROL 24
#endif
#define KVM_CAP_IRQ_ROUTING 25
#define KVM_CAP_IRQ_INJECT_STATUS 26
#define KVM_CAP_ASSIGN_DEV_IRQ 29
/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
#ifdef __KVM_HAVE_MCE
#define KVM_CAP_MCE 31
#endif
#define KVM_CAP_IRQFD 32
#ifdef __KVM_HAVE_PIT
#define KVM_CAP_PIT2 33
#endif
#define KVM_CAP_SET_BOOT_CPU_ID 34
#ifdef __KVM_HAVE_PIT_STATE2
#define KVM_CAP_PIT_STATE2 35
#endif
#define KVM_CAP_IOEVENTFD 36
#define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
#ifdef __KVM_HAVE_XEN_HVM
#define KVM_CAP_XEN_HVM 38
#endif
#define KVM_CAP_ADJUST_CLOCK 39
#define KVM_CAP_INTERNAL_ERROR_DATA 40
#ifdef __KVM_HAVE_VCPU_EVENTS
#define KVM_CAP_VCPU_EVENTS 41
#endif
#define KVM_CAP_S390_PSW 42
#define KVM_CAP_PPC_SEGSTATE 43
#define KVM_CAP_HYPERV 44
#define KVM_CAP_HYPERV_VAPIC 45
#define KVM_CAP_HYPERV_SPIN 46
#define KVM_CAP_PCI_SEGMENT 47
#define KVM_CAP_PPC_PAIRED_SINGLES 48
#define KVM_CAP_INTR_SHADOW 49
#ifdef __KVM_HAVE_DEBUGREGS
#define KVM_CAP_DEBUGREGS 50
#endif
#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
#define KVM_CAP_PPC_OSI 52
#define KVM_CAP_PPC_UNSET_IRQ 53
#define KVM_CAP_ENABLE_CAP 54
#ifdef __KVM_HAVE_XSAVE
#define KVM_CAP_XSAVE 55
#endif
#ifdef __KVM_HAVE_XCRS
#define KVM_CAP_XCRS 56
#endif
#define KVM_CAP_PPC_GET_PVINFO 57
#define KVM_CAP_PPC_IRQ_LEVEL 58
#define KVM_CAP_ASYNC_PF 59
#define KVM_CAP_TSC_CONTROL 60
#define KVM_CAP_GET_TSC_KHZ 61
#define KVM_CAP_PPC_BOOKE_SREGS 62
#define KVM_CAP_SPAPR_TCE 63
#define KVM_CAP_PPC_SMT 64
#define KVM_CAP_PPC_RMA 65
#define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
#define KVM_CAP_PPC_HIOR 67
#define KVM_CAP_PPC_PAPR 68
#define KVM_CAP_SW_TLB 69
#define KVM_CAP_ONE_REG 70
#define KVM_CAP_S390_GMAP 71
#define KVM_CAP_TSC_DEADLINE_TIMER 72
#define KVM_CAP_S390_UCONTROL 73