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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/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
/* 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;
/* 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 {
struct {
__u8 ar; /* the access register number */
__u8 key; /* access key, ignored if flag unset */
};
__u32 sida_offset; /* offset into the sida */
__u8 reserved[32]; /* ignored */
};
};
/* 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
#define KVM_S390_MEMOP_ABSOLUTE_READ 4
#define KVM_S390_MEMOP_ABSOLUTE_WRITE 5
/* 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)
#define KVM_S390_MEMOP_F_SKEY_PROTECTION (1ULL << 2)
/* for KVM_INTERRUPT */
struct kvm_interrupt {
/* in */
__u32 irq;
};
/* for KVM_GET_DIRTY_LOG */
struct kvm_dirty_log {
__u32 slot;
__u32 padding1;
union {
void *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 *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 forces trap & emulate, 1 forces VZ ASE */
#define KVM_VM_MIPS_TE 0
#define KVM_VM_MIPS_VZ 1
#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
#define KVM_CAP_SYNC_REGS 74
#define KVM_CAP_PCI_2_3 75
#define KVM_CAP_KVMCLOCK_CTRL 76
#define KVM_CAP_SIGNAL_MSI 77
#define KVM_CAP_PPC_GET_SMMU_INFO 78
#define KVM_CAP_S390_COW 79
#define KVM_CAP_PPC_ALLOC_HTAB 80
#define KVM_CAP_READONLY_MEM 81
#define KVM_CAP_IRQFD_RESAMPLE 82
#define KVM_CAP_PPC_BOOKE_WATCHDOG 83
#define KVM_CAP_PPC_HTAB_FD 84
#define KVM_CAP_S390_CSS_SUPPORT 85
#define KVM_CAP_PPC_EPR 86
#define KVM_CAP_ARM_PSCI 87
#define KVM_CAP_ARM_SET_DEVICE_ADDR 88
#define KVM_CAP_DEVICE_CTRL 89
#define KVM_CAP_IRQ_MPIC 90
#define KVM_CAP_PPC_RTAS 91
#define KVM_CAP_IRQ_XICS 92
#define KVM_CAP_ARM_EL1_32BIT 93
#define KVM_CAP_SPAPR_MULTITCE 94
#define KVM_CAP_EXT_EMUL_CPUID 95
#define KVM_CAP_HYPERV_TIME 96
#define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
#define KVM_CAP_ENABLE_CAP_VM 98
#define KVM_CAP_S390_IRQCHIP 99
#define KVM_CAP_IOEVENTFD_NO_LENGTH 100
#define KVM_CAP_VM_ATTRIBUTES 101
#define KVM_CAP_ARM_PSCI_0_2 102
#define KVM_CAP_PPC_FIXUP_HCALL 103
#define KVM_CAP_PPC_ENABLE_HCALL 104
#define KVM_CAP_CHECK_EXTENSION_VM 105
#define KVM_CAP_S390_USER_SIGP 106
#define KVM_CAP_S390_VECTOR_REGISTERS 107
#define KVM_CAP_S390_MEM_OP 108
#define KVM_CAP_S390_USER_STSI 109
#define KVM_CAP_S390_SKEYS 110
#define KVM_CAP_MIPS_FPU 111
#define KVM_CAP_MIPS_MSA 112
#define KVM_CAP_S390_INJECT_IRQ 113
#define KVM_CAP_S390_IRQ_STATE 114
#define KVM_CAP_PPC_HWRNG 115
#define KVM_CAP_DISABLE_QUIRKS 116
#define KVM_CAP_X86_SMM 117
#define KVM_CAP_MULTI_ADDRESS_SPACE 118
#define KVM_CAP_GUEST_DEBUG_HW_BPS 119
#define KVM_CAP_GUEST_DEBUG_HW_WPS 120
#define KVM_CAP_SPLIT_IRQCHIP 121
#define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
#define KVM_CAP_HYPERV_SYNIC 123
#define KVM_CAP_S390_RI 124
#define KVM_CAP_SPAPR_TCE_64 125
#define KVM_CAP_ARM_PMU_V3 126
#define KVM_CAP_VCPU_ATTRIBUTES 127
#define KVM_CAP_MAX_VCPU_ID 128
#define KVM_CAP_X2APIC_API 129
#define KVM_CAP_S390_USER_INSTR0 130
#define KVM_CAP_MSI_DEVID 131
#define KVM_CAP_PPC_HTM 132
#define KVM_CAP_SPAPR_RESIZE_HPT 133
#define KVM_CAP_PPC_MMU_RADIX 134
#define KVM_CAP_PPC_MMU_HASH_V3 135
#define KVM_CAP_IMMEDIATE_EXIT 136
#define KVM_CAP_MIPS_VZ 137
#define KVM_CAP_MIPS_TE 138
#define KVM_CAP_MIPS_64BIT 139
#define KVM_CAP_S390_GS 140
#define KVM_CAP_S390_AIS 141
#define KVM_CAP_SPAPR_TCE_VFIO 142
#define KVM_CAP_X86_DISABLE_EXITS 143
#define KVM_CAP_ARM_USER_IRQ 144
#define KVM_CAP_S390_CMMA_MIGRATION 145
#define KVM_CAP_PPC_FWNMI 146
#define KVM_CAP_PPC_SMT_POSSIBLE 147
#define KVM_CAP_HYPERV_SYNIC2 148
#define KVM_CAP_HYPERV_VP_INDEX 149
#define KVM_CAP_S390_AIS_MIGRATION 150
#define KVM_CAP_PPC_GET_CPU_CHAR 151
#define KVM_CAP_S390_BPB 152
#define KVM_CAP_GET_MSR_FEATURES 153
#define KVM_CAP_HYPERV_EVENTFD 154
#define KVM_CAP_HYPERV_TLBFLUSH 155
#define KVM_CAP_S390_HPAGE_1M 156
#define KVM_CAP_NESTED_STATE 157
#define KVM_CAP_ARM_INJECT_SERROR_ESR 158
#define KVM_CAP_MSR_PLATFORM_INFO 159
#define KVM_CAP_PPC_NESTED_HV 160
#define KVM_CAP_HYPERV_SEND_IPI 161
#define KVM_CAP_COALESCED_PIO 162
#define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
#define KVM_CAP_EXCEPTION_PAYLOAD 164
#define KVM_CAP_ARM_VM_IPA_SIZE 165
#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
#define KVM_CAP_HYPERV_CPUID 167
#define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
#define KVM_CAP_PPC_IRQ_XIVE 169
#define KVM_CAP_ARM_SVE 170
#define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
#define KVM_CAP_ARM_PTRAUTH_GENERIC 172
#define KVM_CAP_PMU_EVENT_FILTER 173
#define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
#define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
#define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
#define KVM_CAP_ARM_NISV_TO_USER 177
#define KVM_CAP_ARM_INJECT_EXT_DABT 178
#define KVM_CAP_S390_VCPU_RESETS 179
#define KVM_CAP_S390_PROTECTED 180
#define KVM_CAP_PPC_SECURE_GUEST 181
#define KVM_CAP_HALT_POLL 182
#define KVM_CAP_ASYNC_PF_INT 183
#define KVM_CAP_LAST_CPU 184
#define KVM_CAP_SMALLER_MAXPHYADDR 185
#define KVM_CAP_S390_DIAG318 186
#define KVM_CAP_STEAL_TIME 187
#define KVM_CAP_X86_USER_SPACE_MSR 188
#define KVM_CAP_X86_MSR_FILTER 189
#define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
#define KVM_CAP_SYS_HYPERV_CPUID 191
#define KVM_CAP_DIRTY_LOG_RING 192
#define KVM_CAP_X86_BUS_LOCK_EXIT 193
#define KVM_CAP_SET_GUEST_DEBUG2 195
#define KVM_CAP_SGX_ATTRIBUTE 196
#define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
#define KVM_CAP_HYPERV_ENFORCE_CPUID 199
#define KVM_CAP_SREGS2 200
#define KVM_CAP_EXIT_HYPERCALL 201
#define KVM_CAP_BINARY_STATS_FD 203
#define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
#define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
#define KVM_CAP_XSAVE2 208
#define KVM_CAP_SYS_ATTRIBUTES 209
#define KVM_CAP_S390_MEM_OP_EXTENSION 211
#define KVM_CAP_PMU_CAPABILITY 212
#define KVM_CAP_DISABLE_QUIRKS2 213
#define KVM_CAP_VM_TSC_CONTROL 214
#define KVM_CAP_SYSTEM_EVENT_DATA 215
#define KVM_CAP_ARM_SYSTEM_SUSPEND 216
#define KVM_CAP_S390_PROTECTED_DUMP 217
#define KVM_CAP_S390_ZPCI_OP 221
#define KVM_CAP_S390_CPU_TOPOLOGY 222
#ifdef KVM_CAP_IRQ_ROUTING
struct kvm_irq_routing_irqchip {
__u32 irqchip;
__u32 pin;
};
struct kvm_irq_routing_msi {
__u32 address_lo;
__u32 address_hi;
__u32 data;
union {
__u32 pad;
__u32 devid;
};
};
struct kvm_irq_routing_s390_adapter {
__u64 ind_addr;
__u64 summary_addr;
__u64 ind_offset;
__u32 summary_offset;
__u32 adapter_id;
};
struct kvm_irq_routing_hv_sint {
__u32 vcpu;
__u32 sint;
};
struct kvm_irq_routing_xen_evtchn {
__u32 port;
__u32 vcpu;
__u32 priority;
};
#define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
/* gsi routing entry types */
#define KVM_IRQ_ROUTING_IRQCHIP 1
#define KVM_IRQ_ROUTING_MSI 2
#define KVM_IRQ_ROUTING_S390_ADAPTER 3
#define KVM_IRQ_ROUTING_HV_SINT 4
#define KVM_IRQ_ROUTING_XEN_EVTCHN 5
struct kvm_irq_routing_entry {
__u32 gsi;
__u32 type;
__u32 flags;
__u32 pad;
union {
struct kvm_irq_routing_irqchip irqchip;
struct kvm_irq_routing_msi msi;
struct kvm_irq_routing_s390_adapter adapter;
struct kvm_irq_routing_hv_sint hv_sint;
struct kvm_irq_routing_xen_evtchn xen_evtchn;
__u32 pad[8];
} u;
};
struct kvm_irq_routing {
__u32 nr;
__u32 flags;
struct kvm_irq_routing_entry entries[0];
};
#endif
#ifdef KVM_CAP_MCE
/* x86 MCE */
struct kvm_x86_mce {
__u64 status;
__u64 addr;
__u64 misc;
__u64 mcg_status;
__u8 bank;
__u8 pad1[7];
__u64 pad2[3];
};
#endif
#ifdef KVM_CAP_XEN_HVM
#define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0)
#define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1)
#define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2)
#define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3)
#define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4)
struct kvm_xen_hvm_config {
__u32 flags;
__u32 msr;
__u64 blob_addr_32;
__u64 blob_addr_64;
__u8 blob_size_32;
__u8 blob_size_64;
__u8 pad2[30];
};
#endif
#define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
/*
* Available with KVM_CAP_IRQFD_RESAMPLE
*
* KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
* the irqfd to operate in resampling mode for level triggered interrupt
* emulation. See Documentation/virt/kvm/api.rst.
*/
#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
struct kvm_irqfd {
__u32 fd;
__u32 gsi;
__u32 flags;
__u32 resamplefd;
__u8 pad[16];
};
/* For KVM_CAP_ADJUST_CLOCK */
/* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */
#define KVM_CLOCK_TSC_STABLE 2
#define KVM_CLOCK_REALTIME (1 << 2)
#define KVM_CLOCK_HOST_TSC (1 << 3)
struct kvm_clock_data {
__u64 clock;
__u32 flags;
__u32 pad0;
__u64 realtime;
__u64 host_tsc;
__u32 pad[4];
};
/* For KVM_CAP_SW_TLB */
#define KVM_MMU_FSL_BOOKE_NOHV 0
#define KVM_MMU_FSL_BOOKE_HV 1
struct kvm_config_tlb {
__u64 params;
__u64 array;
__u32 mmu_type;
__u32 array_len;
};
struct kvm_dirty_tlb {
__u64 bitmap;
__u32 num_dirty;
};
/* Available with KVM_CAP_ONE_REG */
#define KVM_REG_ARCH_MASK 0xff00000000000000ULL
#define KVM_REG_GENERIC 0x0000000000000000ULL
/*
* Architecture specific registers are to be defined in arch headers and
* ORed with the arch identifier.
*/
#define KVM_REG_PPC 0x1000000000000000ULL
#define KVM_REG_X86 0x2000000000000000ULL
#define KVM_REG_IA64 0x3000000000000000ULL
#define KVM_REG_ARM 0x4000000000000000ULL
#define KVM_REG_S390 0x5000000000000000ULL
#define KVM_REG_ARM64 0x6000000000000000ULL
#define KVM_REG_MIPS 0x7000000000000000ULL
#define KVM_REG_SIZE_SHIFT 52
#define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
#define KVM_REG_SIZE_U8 0x0000000000000000ULL
#define KVM_REG_SIZE_U16 0x0010000000000000ULL
#define KVM_REG_SIZE_U32 0x0020000000000000ULL
#define KVM_REG_SIZE_U64 0x0030000000000000ULL
#define KVM_REG_SIZE_U128 0x0040000000000000ULL
#define KVM_REG_SIZE_U256 0x0050000000000000ULL
#define KVM_REG_SIZE_U512 0x0060000000000000ULL
#define KVM_REG_SIZE_U1024 0x0070000000000000ULL
#define KVM_REG_SIZE_U2048 0x0080000000000000ULL
struct kvm_reg_list {
__u64 n; /* number of regs */
__u64 reg[0];
};
struct kvm_one_reg {
__u64 id;
__u64 addr;
};
#define KVM_MSI_VALID_DEVID (1U << 0)
struct kvm_msi {
__u32 address_lo;
__u32 address_hi;
__u32 data;
__u32 flags;
__u32 devid;
__u8 pad[12];
};
struct kvm_arm_device_addr {
__u64 id;
__u64 addr;
};
/*
* Device control API, available with KVM_CAP_DEVICE_CTRL
*/
#define KVM_CREATE_DEVICE_TEST 1
struct kvm_create_device {
__u32 type; /* in: KVM_DEV_TYPE_xxx */
__u32 fd; /* out: device handle */
__u32 flags; /* in: KVM_CREATE_DEVICE_xxx */
};
struct kvm_device_attr {
__u32 flags; /* no flags currently defined */
__u32 group; /* device-defined */
__u64 attr; /* group-defined */
__u64 addr; /* userspace address of attr data */
};
#define KVM_DEV_VFIO_GROUP 1
#define KVM_DEV_VFIO_GROUP_ADD 1
#define KVM_DEV_VFIO_GROUP_DEL 2
#define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
enum kvm_device_type {
KVM_DEV_TYPE_FSL_MPIC_20 = 1,
#define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
KVM_DEV_TYPE_FSL_MPIC_42,
#define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
KVM_DEV_TYPE_XICS,
#define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
KVM_DEV_TYPE_VFIO,
#define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
KVM_DEV_TYPE_ARM_VGIC_V2,
#define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
KVM_DEV_TYPE_FLIC,
#define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
KVM_DEV_TYPE_ARM_VGIC_V3,
#define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
KVM_DEV_TYPE_ARM_VGIC_ITS,
#define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
KVM_DEV_TYPE_XIVE,
#define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE
KVM_DEV_TYPE_ARM_PV_TIME,
#define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME
KVM_DEV_TYPE_MAX,
};
struct kvm_vfio_spapr_tce {
__s32 groupfd;
__s32 tablefd;
};
/*
* 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)
/* KVM_SET_MEMORY_ALIAS is obsolete: */
#define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
#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)
#define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
/* enable ucontrol for s390 */
struct kvm_s390_ucas_mapping {
__u64 user_addr;
__u64 vcpu_addr;
__u64 length;
};
#define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
#define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
#define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
/* 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_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
#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_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
/* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
#define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
#define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
#define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
#define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
struct kvm_assigned_pci_dev)
#define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
struct kvm_assigned_msix_nr)
#define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
struct kvm_assigned_msix_entry)
#define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
#define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
#define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
#define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
#define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
#define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
#define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
#define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
/* Available with KVM_CAP_PIT_STATE2 */
#define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
#define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
/* Available with KVM_CAP_PPC_GET_PVINFO */
#define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
/* Available with KVM_CAP_TSC_CONTROL */
#define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
#define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
/* Available with KVM_CAP_PCI_2_3 */
#define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
struct kvm_assigned_pci_dev)
/* Available with KVM_CAP_SIGNAL_MSI */
#define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
/* Available with KVM_CAP_PPC_GET_SMMU_INFO */
#define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
/* Available with KVM_CAP_PPC_ALLOC_HTAB */
#define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
#define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
#define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
struct kvm_create_spapr_tce_64)
/* Available with KVM_CAP_RMA */
#define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
/* Available with KVM_CAP_PPC_HTAB_FD */
#define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
/* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
#define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
/* Available with KVM_CAP_PPC_RTAS */
#define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
/* Available with KVM_CAP_SPAPR_RESIZE_HPT */
#define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
#define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
/* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
#define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
/* Available with KVM_CAP_PPC_RADIX_MMU */
#define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
/* Available with KVM_CAP_PPC_GET_CPU_CHAR */
#define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char)
/* Available with KVM_CAP_PMU_EVENT_FILTER */
#define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
#define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
/* ioctl for vm fd */
#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
/* ioctls for fds returned by KVM_CREATE_DEVICE */
#define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
#define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
#define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
/*
* 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)
/* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
#define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
#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_USER_NMI */
#define KVM_NMI _IO(KVMIO, 0x9a)
/* Available with KVM_CAP_SET_GUEST_DEBUG */
#define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
/* MCE for x86 */
#define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
#define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
#define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
/* Available with KVM_CAP_VCPU_EVENTS */
#define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
#define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
/* Available with KVM_CAP_DEBUGREGS */
#define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
#define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
/*
* vcpu version available with KVM_ENABLE_CAP
* vm version available with KVM_CAP_ENABLE_CAP_VM
*/
#define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
/* Available with KVM_CAP_XSAVE */
#define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
#define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
/* Available with KVM_CAP_XCRS */
#define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
#define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
/* Available with KVM_CAP_SW_TLB */
#define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
/* Available with KVM_CAP_ONE_REG */
#define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
#define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
/* VM is being stopped by host */
#define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
#define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
#define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
#define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
/* Available with KVM_CAP_S390_MEM_OP */
#define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
/* Available with KVM_CAP_S390_SKEYS */
#define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
#define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
/* Available with KVM_CAP_S390_INJECT_IRQ */
#define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
/* Available with KVM_CAP_S390_IRQ_STATE */
#define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
#define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
/* Available with KVM_CAP_X86_SMM */
#define KVM_SMI _IO(KVMIO, 0xb7)
/* Available with KVM_CAP_S390_CMMA_MIGRATION */
#define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
#define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
/* Memory Encryption Commands */
#define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
struct kvm_enc_region {
__u64 addr;
__u64 size;
};
#define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
#define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
/* Available with KVM_CAP_HYPERV_EVENTFD */
#define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
/* Available with KVM_CAP_NESTED_STATE */
#define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
#define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state)
/* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
#define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
/* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
#define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
/* Available with KVM_CAP_ARM_SVE */
#define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int)
/* Available with KVM_CAP_S390_VCPU_RESETS */
#define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3)
#define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4)
struct kvm_s390_pv_sec_parm {
__u64 origin;
__u64 length;
};
struct kvm_s390_pv_unp {
__u64 addr;
__u64 size;
__u64 tweak;
};
enum pv_cmd_dmp_id {
KVM_PV_DUMP_INIT,
KVM_PV_DUMP_CONFIG_STOR_STATE,
KVM_PV_DUMP_COMPLETE,
KVM_PV_DUMP_CPU,
};
struct kvm_s390_pv_dmp {
__u64 subcmd;
__u64 buff_addr;
__u64 buff_len;
__u64 gaddr; /* For dump storage state */
__u64 reserved[4];
};
enum pv_cmd_info_id {
KVM_PV_INFO_VM,
KVM_PV_INFO_DUMP,
};
struct kvm_s390_pv_info_dump {
__u64 dump_cpu_buffer_len;
__u64 dump_config_mem_buffer_per_1m;
__u64 dump_config_finalize_len;
};
struct kvm_s390_pv_info_vm {
__u64 inst_calls_list[4];
__u64 max_cpus;
__u64 max_guests;
__u64 max_guest_addr;
__u64 feature_indication;
};
struct kvm_s390_pv_info_header {
__u32 id;
__u32 len_max;
__u32 len_written;
__u32 reserved;
};
struct kvm_s390_pv_info {
struct kvm_s390_pv_info_header header;
union {
struct kvm_s390_pv_info_dump dump;
struct kvm_s390_pv_info_vm vm;
};
};
enum pv_cmd_id {
KVM_PV_ENABLE,
KVM_PV_DISABLE,
KVM_PV_SET_SEC_PARMS,
KVM_PV_UNPACK,
KVM_PV_VERIFY,
KVM_PV_PREP_RESET,
KVM_PV_UNSHARE_ALL,
KVM_PV_INFO,
KVM_PV_DUMP,
};
struct kvm_pv_cmd {
__u32 cmd; /* Command to be executed */
__u16 rc; /* Ultravisor return code */
__u16 rrc; /* Ultravisor return reason code */
__u64 data; /* Data or address */
__u32 flags; /* flags for future extensions. Must be 0 for now */
__u32 reserved[3];
};
/* Available with KVM_CAP_S390_PROTECTED */
#define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
/* Available with KVM_CAP_X86_MSR_FILTER */
#define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter)
/* Available with KVM_CAP_DIRTY_LOG_RING */
#define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7)
/* Per-VM Xen attributes */
#define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
#define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr)
struct kvm_xen_hvm_attr {
__u16 type;
__u16 pad[3];
union {
__u8 long_mode;
__u8 vector;
struct {
__u64 gfn;
} shared_info;
__u64 pad[8];
} u;
};
/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
#define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0
#define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1
#define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2
/* Per-vCPU Xen attributes */
#define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
#define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr)
#define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2)
#define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2)
struct kvm_xen_vcpu_attr {
__u16 type;
__u16 pad[3];
union {
__u64 gpa;
__u64 pad[8];
struct {
__u64 state;
__u64 state_entry_time;
__u64 time_running;
__u64 time_runnable;
__u64 time_blocked;
__u64 time_offline;
} runstate;
} u;
};
/* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0
#define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1
#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2
#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4
#define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5
/* Secure Encrypted Virtualization command */
enum sev_cmd_id {
/* Guest initialization commands */
KVM_SEV_INIT = 0,
KVM_SEV_ES_INIT,
/* Guest launch commands */
KVM_SEV_LAUNCH_START,
KVM_SEV_LAUNCH_UPDATE_DATA,
KVM_SEV_LAUNCH_UPDATE_VMSA,
KVM_SEV_LAUNCH_SECRET,
KVM_SEV_LAUNCH_MEASURE,
KVM_SEV_LAUNCH_FINISH,
/* Guest migration commands (outgoing) */
KVM_SEV_SEND_START,
KVM_SEV_SEND_UPDATE_DATA,
KVM_SEV_SEND_UPDATE_VMSA,
KVM_SEV_SEND_FINISH,
/* Guest migration commands (incoming) */
KVM_SEV_RECEIVE_START,
KVM_SEV_RECEIVE_UPDATE_DATA,
KVM_SEV_RECEIVE_UPDATE_VMSA,
KVM_SEV_RECEIVE_FINISH,
/* Guest status and debug commands */
KVM_SEV_GUEST_STATUS,
KVM_SEV_DBG_DECRYPT,
KVM_SEV_DBG_ENCRYPT,
/* Guest certificates commands */
KVM_SEV_CERT_EXPORT,
/* Attestation report */
KVM_SEV_GET_ATTESTATION_REPORT,
/* Guest Migration Extension */
KVM_SEV_SEND_CANCEL,
KVM_SEV_NR_MAX,
};
struct kvm_sev_cmd {
__u32 id;
__u64 data;
__u32 error;
__u32 sev_fd;
};
struct kvm_sev_launch_start {
__u32 handle;
__u32 policy;
__u64 dh_uaddr;
__u32 dh_len;
__u64 session_uaddr;
__u32 session_len;
};
struct kvm_sev_launch_update_data {
__u64 uaddr;
__u32 len;
};
struct kvm_sev_launch_secret {
__u64 hdr_uaddr;
__u32 hdr_len;
__u64 guest_uaddr;
__u32 guest_len;
__u64 trans_uaddr;
__u32 trans_len;
};
struct kvm_sev_launch_measure {
__u64 uaddr;
__u32 len;
};
struct kvm_sev_guest_status {
__u32 handle;
__u32 policy;
__u32 state;
};
struct kvm_sev_dbg {
__u64 src_uaddr;
__u64 dst_uaddr;
__u32 len;
};
struct kvm_sev_attestation_report {
__u8 mnonce[16];
__u64 uaddr;
__u32 len;
};
struct kvm_sev_send_start {
__u32 policy;
__u64 pdh_cert_uaddr;
__u32 pdh_cert_len;
__u64 plat_certs_uaddr;
__u32 plat_certs_len;
__u64 amd_certs_uaddr;
__u32 amd_certs_len;
__u64 session_uaddr;
__u32 session_len;
};
struct kvm_sev_send_update_data {
__u64 hdr_uaddr;
__u32 hdr_len;
__u64 guest_uaddr;
__u32 guest_len;
__u64 trans_uaddr;
__u32 trans_len;
};
struct kvm_sev_receive_start {
__u32 handle;
__u32 policy;
__u64 pdh_uaddr;
__u32 pdh_len;
__u64 session_uaddr;
__u32 session_len;
};
struct kvm_sev_receive_update_data {
__u64 hdr_uaddr;
__u32 hdr_len;
__u64 guest_uaddr;
__u32 guest_len;
__u64 trans_uaddr;
__u32 trans_len;
};
#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
#define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
#define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
struct kvm_assigned_pci_dev {
__u32 assigned_dev_id;
__u32 busnr;
__u32 devfn;
__u32 flags;
__u32 segnr;
union {
__u32 reserved[11];
};
};
#define KVM_DEV_IRQ_HOST_INTX (1 << 0)
#define KVM_DEV_IRQ_HOST_MSI (1 << 1)
#define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
#define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
#define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
#define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
#define KVM_DEV_IRQ_HOST_MASK 0x00ff
#define KVM_DEV_IRQ_GUEST_MASK 0xff00
struct kvm_assigned_irq {
__u32 assigned_dev_id;
__u32 host_irq; /* ignored (legacy field) */
__u32 guest_irq;
__u32 flags;
union {
__u32 reserved[12];
};
};
struct kvm_assigned_msix_nr {
__u32 assigned_dev_id;
__u16 entry_nr;
__u16 padding;
};
#define KVM_MAX_MSIX_PER_DEV 256
struct kvm_assigned_msix_entry {
__u32 assigned_dev_id;
__u32 gsi;
__u16 entry; /* The index of entry in the MSI-X table */
__u16 padding[3];
};
#define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
#define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
/* Available with KVM_CAP_ARM_USER_IRQ */
/* Bits for run->s.regs.device_irq_level */
#define KVM_ARM_DEV_EL1_VTIMER (1 << 0)
#define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
#define KVM_ARM_DEV_PMU (1 << 2)
struct kvm_hyperv_eventfd {
__u32 conn_id;
__s32 fd;
__u32 flags;
__u32 padding[3];
};
#define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
#define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
#define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
#define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1)
/*
* Arch needs to define the macro after implementing the dirty ring
* feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
* starting page offset of the dirty ring structures.
*/
#ifndef KVM_DIRTY_LOG_PAGE_OFFSET
#define KVM_DIRTY_LOG_PAGE_OFFSET 0
#endif
/*
* KVM dirty GFN flags, defined as:
*
* |---------------+---------------+--------------|
* | bit 1 (reset) | bit 0 (dirty) | Status |
* |---------------+---------------+--------------|
* | 0 | 0 | Invalid GFN |
* | 0 | 1 | Dirty GFN |
* | 1 | X | GFN to reset |
* |---------------+---------------+--------------|
*
* Lifecycle of a dirty GFN goes like:
*
* dirtied harvested reset
* 00 -----------> 01 -------------> 1X -------+
* ^ |
* | |
* +------------------------------------------+
*
* The userspace program is only responsible for the 01->1X state
* conversion after harvesting an entry. Also, it must not skip any
* dirty bits, so that dirty bits are always harvested in sequence.
*/
#define KVM_DIRTY_GFN_F_DIRTY _BITUL(0)
#define KVM_DIRTY_GFN_F_RESET _BITUL(1)
#define KVM_DIRTY_GFN_F_MASK 0x3
/*
* KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
* per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The
* size of the gfn buffer is decided by the first argument when
* enabling KVM_CAP_DIRTY_LOG_RING.
*/
struct kvm_dirty_gfn {
__u32 flags;
__u32 slot;
__u64 offset;
};
#define KVM_BUS_LOCK_DETECTION_OFF (1 << 0)
#define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1)
#define KVM_PMU_CAP_DISABLE (1 << 0)
/**
* struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
* @flags: Some extra information for header, always 0 for now.
* @name_size: The size in bytes of the memory which contains statistics
* name string including trailing '\0'. The memory is allocated
* at the send of statistics descriptor.
* @num_desc: The number of statistics the vm or vcpu has.
* @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
* by vm/vcpu stats fd.
* @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
* pointd by vm/vcpu stats fd.
* @data_offset: The offset of the vm/vcpu stats' data block in the file
* pointed by vm/vcpu stats fd.
*
* This is the header userspace needs to read from stats fd before any other
* readings. It is used by userspace to discover all the information about the
* vm/vcpu's binary statistics.
* Userspace reads this header from the start of the vm/vcpu's stats fd.
*/
struct kvm_stats_header {
__u32 flags;
__u32 name_size;
__u32 num_desc;
__u32 id_offset;
__u32 desc_offset;
__u32 data_offset;
};
#define KVM_STATS_TYPE_SHIFT 0
#define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT)
#define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT)
#define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT)
#define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT)
#define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT)
#define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT)
#define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST
#define KVM_STATS_UNIT_SHIFT 4
#define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT)
#define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT)
#define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT)
#define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT)
#define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT)
#define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_CYCLES
#define KVM_STATS_BASE_SHIFT 8
#define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT)
#define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT)
#define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT)
#define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2
/**
* struct kvm_stats_desc - Descriptor of a KVM statistics.
* @flags: Annotations of the stats, like type, unit, etc.
* @exponent: Used together with @flags to determine the unit.
* @size: The number of data items for this stats.
* Every data item is of type __u64.
* @offset: The offset of the stats to the start of stat structure in
* structure kvm or kvm_vcpu.
* @bucket_size: A parameter value used for histogram stats. It is only used
* for linear histogram stats, specifying the size of the bucket;
* @name: The name string for the stats. Its size is indicated by the
* &kvm_stats_header->name_size.
*/
struct kvm_stats_desc {
__u32 flags;
__s16 exponent;
__u16 size;
__u32 offset;
__u32 bucket_size;
char name[];
};
#define KVM_GET_STATS_FD _IO(KVMIO, 0xce)
/* Available with KVM_CAP_XSAVE2 */
#define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave)
/* Available with KVM_CAP_S390_PROTECTED_DUMP */
#define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd)
/* Available with KVM_CAP_S390_ZPCI_OP */
#define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op)
struct kvm_s390_zpci_op {
/* in */
__u32 fh; /* target device */
__u8 op; /* operation to perform */
__u8 pad[3];
union {
/* for KVM_S390_ZPCIOP_REG_AEN */
struct {
__u64 ibv; /* Guest addr of interrupt bit vector */
__u64 sb; /* Guest addr of summary bit */
__u32 flags;
__u32 noi; /* Number of interrupts */
__u8 isc; /* Guest interrupt subclass */
__u8 sbo; /* Offset of guest summary bit vector */
__u16 pad;
} reg_aen;
__u64 reserved[8];
} u;
};
/* types for kvm_s390_zpci_op->op */
#define KVM_S390_ZPCIOP_REG_AEN 0
#define KVM_S390_ZPCIOP_DEREG_AEN 1
/* flags for kvm_s390_zpci_op->u.reg_aen.flags */
#define KVM_S390_ZPCIOP_REGAEN_HOST (1 << 0)
#endif /* __LINUX_KVM_H */