1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
6 * Userspace interface for /dev/kvm - kernel based virtual machine
8 * Note: you must update KVM_API_VERSION if you change this interface.
11 #include <linux/types.h>
12 #include <linux/compiler.h>
13 #include <linux/ioctl.h>
16 #define KVM_API_VERSION 12
18 /* *** Deprecated interfaces *** */
20 #define KVM_TRC_SHIFT 16
22 #define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT)
23 #define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1))
25 #define KVM_TRC_VMENTRY (KVM_TRC_ENTRYEXIT + 0x01)
26 #define KVM_TRC_VMEXIT (KVM_TRC_ENTRYEXIT + 0x02)
27 #define KVM_TRC_PAGE_FAULT (KVM_TRC_HANDLER + 0x01)
29 #define KVM_TRC_HEAD_SIZE 12
30 #define KVM_TRC_CYCLE_SIZE 8
31 #define KVM_TRC_EXTRA_MAX 7
33 #define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02)
34 #define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03)
35 #define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04)
36 #define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05)
37 #define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06)
38 #define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07)
39 #define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08)
40 #define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09)
41 #define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A)
42 #define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B)
43 #define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C)
44 #define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D)
45 #define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E)
46 #define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F)
47 #define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10)
48 #define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11)
49 #define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12)
50 #define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13)
51 #define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14)
52 #define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15)
53 #define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16)
54 #define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17)
55 #define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18)
56 #define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19)
58 struct kvm_user_trace_setup
{
63 #define __KVM_DEPRECATED_MAIN_W_0x06 \
64 _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
65 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
66 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
68 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
70 struct kvm_breakpoint
{
76 struct kvm_debug_guest
{
79 struct kvm_breakpoint breakpoints
[4];
83 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
85 /* *** End of deprecated interfaces *** */
88 /* for KVM_CREATE_MEMORY_REGION */
89 struct kvm_memory_region
{
92 __u64 guest_phys_addr
;
93 __u64 memory_size
; /* bytes */
96 /* for KVM_SET_USER_MEMORY_REGION */
97 struct kvm_userspace_memory_region
{
100 __u64 guest_phys_addr
;
101 __u64 memory_size
; /* bytes */
102 __u64 userspace_addr
; /* start of the userspace allocated memory */
106 * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
107 * other bits are reserved for kvm internal use which are defined in
108 * include/linux/kvm_host.h.
110 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
111 #define KVM_MEM_READONLY (1UL << 1)
113 /* for KVM_IRQ_LINE */
114 struct kvm_irq_level
{
116 * ACPI gsi notion of irq.
117 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
118 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
119 * For ARM: See Documentation/virt/kvm/api.rst
133 char dummy
[512]; /* reserving space */
134 #ifdef __KVM_HAVE_PIT
135 struct kvm_pic_state pic
;
137 #ifdef __KVM_HAVE_IOAPIC
138 struct kvm_ioapic_state ioapic
;
143 /* for KVM_CREATE_PIT2 */
144 struct kvm_pit_config
{
149 #define KVM_PIT_SPEAKER_DUMMY 1
151 struct kvm_s390_skeys
{
159 #define KVM_S390_CMMA_PEEK (1 << 0)
162 * kvm_s390_cmma_log - Used for CMMA migration.
164 * Used both for input and output.
166 * @start_gfn: Guest page number to start from.
167 * @count: Size of the result buffer.
168 * @flags: Control operation mode via KVM_S390_CMMA_* flags
169 * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
170 * pages are still remaining.
171 * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
173 * @values: Pointer to the values buffer.
175 * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
177 struct kvm_s390_cmma_log
{
188 struct kvm_hyperv_exit
{
189 #define KVM_EXIT_HYPERV_SYNIC 1
190 #define KVM_EXIT_HYPERV_HCALL 2
191 #define KVM_EXIT_HYPERV_SYNDBG 3
219 #define KVM_S390_GET_SKEYS_NONE 1
220 #define KVM_S390_SKEYS_MAX 1048576
222 #define KVM_EXIT_UNKNOWN 0
223 #define KVM_EXIT_EXCEPTION 1
224 #define KVM_EXIT_IO 2
225 #define KVM_EXIT_HYPERCALL 3
226 #define KVM_EXIT_DEBUG 4
227 #define KVM_EXIT_HLT 5
228 #define KVM_EXIT_MMIO 6
229 #define KVM_EXIT_IRQ_WINDOW_OPEN 7
230 #define KVM_EXIT_SHUTDOWN 8
231 #define KVM_EXIT_FAIL_ENTRY 9
232 #define KVM_EXIT_INTR 10
233 #define KVM_EXIT_SET_TPR 11
234 #define KVM_EXIT_TPR_ACCESS 12
235 #define KVM_EXIT_S390_SIEIC 13
236 #define KVM_EXIT_S390_RESET 14
237 #define KVM_EXIT_DCR 15 /* deprecated */
238 #define KVM_EXIT_NMI 16
239 #define KVM_EXIT_INTERNAL_ERROR 17
240 #define KVM_EXIT_OSI 18
241 #define KVM_EXIT_PAPR_HCALL 19
242 #define KVM_EXIT_S390_UCONTROL 20
243 #define KVM_EXIT_WATCHDOG 21
244 #define KVM_EXIT_S390_TSCH 22
245 #define KVM_EXIT_EPR 23
246 #define KVM_EXIT_SYSTEM_EVENT 24
247 #define KVM_EXIT_S390_STSI 25
248 #define KVM_EXIT_IOAPIC_EOI 26
249 #define KVM_EXIT_HYPERV 27
250 #define KVM_EXIT_ARM_NISV 28
251 #define KVM_EXIT_X86_RDMSR 29
252 #define KVM_EXIT_X86_WRMSR 30
253 #define KVM_EXIT_DIRTY_RING_FULL 31
254 #define KVM_EXIT_AP_RESET_HOLD 32
256 /* For KVM_EXIT_INTERNAL_ERROR */
257 /* Emulate instruction failed. */
258 #define KVM_INTERNAL_ERROR_EMULATION 1
259 /* Encounter unexpected simultaneous exceptions. */
260 #define KVM_INTERNAL_ERROR_SIMUL_EX 2
261 /* Encounter unexpected vm-exit due to delivery event. */
262 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3
263 /* Encounter unexpected vm-exit reason */
264 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4
266 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
269 __u8 request_interrupt_window
;
275 __u8 ready_for_interrupt_injection
;
279 /* in (pre_kvm_run), out (post_kvm_run) */
284 /* the processor status word for s390 */
285 __u64 psw_mask
; /* psw upper half */
286 __u64 psw_addr
; /* psw lower half */
289 /* KVM_EXIT_UNKNOWN */
291 __u64 hardware_exit_reason
;
293 /* KVM_EXIT_FAIL_ENTRY */
295 __u64 hardware_entry_failure_reason
;
298 /* KVM_EXIT_EXCEPTION */
305 #define KVM_EXIT_IO_IN 0
306 #define KVM_EXIT_IO_OUT 1
308 __u8 size
; /* bytes */
311 __u64 data_offset
; /* relative to kvm_run start */
315 struct kvm_debug_exit_arch arch
;
324 /* KVM_EXIT_HYPERCALL */
332 /* KVM_EXIT_TPR_ACCESS */
338 /* KVM_EXIT_S390_SIEIC */
344 /* KVM_EXIT_S390_RESET */
345 #define KVM_S390_RESET_POR 1
346 #define KVM_S390_RESET_CLEAR 2
347 #define KVM_S390_RESET_SUBSYSTEM 4
348 #define KVM_S390_RESET_CPU_INIT 8
349 #define KVM_S390_RESET_IPL 16
350 __u64 s390_reset_flags
;
351 /* KVM_EXIT_S390_UCONTROL */
353 __u64 trans_exc_code
;
356 /* KVM_EXIT_DCR (deprecated) */
362 /* KVM_EXIT_INTERNAL_ERROR */
365 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
373 /* KVM_EXIT_PAPR_HCALL */
379 /* KVM_EXIT_S390_TSCH */
392 /* KVM_EXIT_SYSTEM_EVENT */
394 #define KVM_SYSTEM_EVENT_SHUTDOWN 1
395 #define KVM_SYSTEM_EVENT_RESET 2
396 #define KVM_SYSTEM_EVENT_CRASH 3
400 /* KVM_EXIT_S390_STSI */
409 /* KVM_EXIT_IOAPIC_EOI */
413 /* KVM_EXIT_HYPERV */
414 struct kvm_hyperv_exit hyperv
;
415 /* KVM_EXIT_ARM_NISV */
420 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
422 __u8 error
; /* user -> kernel */
424 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0)
425 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1)
426 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2)
427 __u32 reason
; /* kernel -> user */
428 __u32 index
; /* kernel -> user */
429 __u64 data
; /* kernel <-> user */
431 /* Fix the size of the union. */
435 /* 2048 is the size of the char array used to bound/pad the size
436 * of the union that holds sync regs.
438 #define SYNC_REGS_SIZE_BYTES 2048
440 * shared registers between kvm and userspace.
441 * kvm_valid_regs specifies the register classes set by the host
442 * kvm_dirty_regs specified the register classes dirtied by userspace
443 * struct kvm_sync_regs is architecture specific, as well as the
444 * bits for kvm_valid_regs and kvm_dirty_regs
446 __u64 kvm_valid_regs
;
447 __u64 kvm_dirty_regs
;
449 struct kvm_sync_regs regs
;
450 char padding
[SYNC_REGS_SIZE_BYTES
];
454 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
456 struct kvm_coalesced_mmio_zone
{
465 struct kvm_coalesced_mmio
{
475 struct kvm_coalesced_mmio_ring
{
477 struct kvm_coalesced_mmio coalesced_mmio
[0];
480 #define KVM_COALESCED_MMIO_MAX \
481 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
482 sizeof(struct kvm_coalesced_mmio))
484 /* for KVM_TRANSLATE */
485 struct kvm_translation
{
487 __u64 linear_address
;
490 __u64 physical_address
;
497 /* for KVM_S390_MEM_OP */
498 struct kvm_s390_mem_op
{
500 __u64 gaddr
; /* the guest address */
501 __u64 flags
; /* flags */
502 __u32 size
; /* amount of bytes */
503 __u32 op
; /* type of operation */
504 __u64 buf
; /* buffer in userspace */
506 __u8 ar
; /* the access register number */
507 __u32 sida_offset
; /* offset into the sida */
508 __u8 reserved
[32]; /* should be set to 0 */
511 /* types for kvm_s390_mem_op->op */
512 #define KVM_S390_MEMOP_LOGICAL_READ 0
513 #define KVM_S390_MEMOP_LOGICAL_WRITE 1
514 #define KVM_S390_MEMOP_SIDA_READ 2
515 #define KVM_S390_MEMOP_SIDA_WRITE 3
516 /* flags for kvm_s390_mem_op->flags */
517 #define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
518 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
520 /* for KVM_INTERRUPT */
521 struct kvm_interrupt
{
526 /* for KVM_GET_DIRTY_LOG */
527 struct kvm_dirty_log
{
531 void __user
*dirty_bitmap
; /* one bit per page */
536 /* for KVM_CLEAR_DIRTY_LOG */
537 struct kvm_clear_dirty_log
{
542 void __user
*dirty_bitmap
; /* one bit per page */
547 /* for KVM_SET_SIGNAL_MASK */
548 struct kvm_signal_mask
{
553 /* for KVM_TPR_ACCESS_REPORTING */
554 struct kvm_tpr_access_ctl
{
560 /* for KVM_SET_VAPIC_ADDR */
561 struct kvm_vapic_addr
{
565 /* for KVM_SET_MP_STATE */
567 /* not all states are valid on all architectures */
568 #define KVM_MP_STATE_RUNNABLE 0
569 #define KVM_MP_STATE_UNINITIALIZED 1
570 #define KVM_MP_STATE_INIT_RECEIVED 2
571 #define KVM_MP_STATE_HALTED 3
572 #define KVM_MP_STATE_SIPI_RECEIVED 4
573 #define KVM_MP_STATE_STOPPED 5
574 #define KVM_MP_STATE_CHECK_STOP 6
575 #define KVM_MP_STATE_OPERATING 7
576 #define KVM_MP_STATE_LOAD 8
577 #define KVM_MP_STATE_AP_RESET_HOLD 9
579 struct kvm_mp_state
{
583 struct kvm_s390_psw
{
588 /* valid values for type in kvm_s390_interrupt */
589 #define KVM_S390_SIGP_STOP 0xfffe0000u
590 #define KVM_S390_PROGRAM_INT 0xfffe0001u
591 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
592 #define KVM_S390_RESTART 0xfffe0003u
593 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
594 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
595 #define KVM_S390_MCHK 0xfffe1000u
596 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u
597 #define KVM_S390_INT_CPU_TIMER 0xffff1005u
598 #define KVM_S390_INT_VIRTIO 0xffff2603u
599 #define KVM_S390_INT_SERVICE 0xffff2401u
600 #define KVM_S390_INT_EMERGENCY 0xffff1201u
601 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
602 /* Anything below 0xfffe0000u is taken by INT_IO */
603 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
608 #define KVM_S390_INT_IO_MIN 0x00000000u
609 #define KVM_S390_INT_IO_MAX 0xfffdffffu
610 #define KVM_S390_INT_IO_AI_MASK 0x04000000u
613 struct kvm_s390_interrupt
{
619 struct kvm_s390_io_info
{
626 struct kvm_s390_ext_info
{
632 struct kvm_s390_pgm_info
{
633 __u64 trans_exc_code
;
644 #define KVM_S390_PGM_FLAGS_ILC_VALID 0x01
645 #define KVM_S390_PGM_FLAGS_ILC_0 0x02
646 #define KVM_S390_PGM_FLAGS_ILC_1 0x04
647 #define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
648 #define KVM_S390_PGM_FLAGS_NO_REWIND 0x08
653 struct kvm_s390_prefix_info
{
657 struct kvm_s390_extcall_info
{
661 struct kvm_s390_emerg_info
{
665 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
666 struct kvm_s390_stop_info
{
670 struct kvm_s390_mchk_info
{
673 __u64 failing_storage_address
;
674 __u32 ext_damage_code
;
676 __u8 fixed_logout
[16];
679 struct kvm_s390_irq
{
682 struct kvm_s390_io_info io
;
683 struct kvm_s390_ext_info ext
;
684 struct kvm_s390_pgm_info pgm
;
685 struct kvm_s390_emerg_info emerg
;
686 struct kvm_s390_extcall_info extcall
;
687 struct kvm_s390_prefix_info prefix
;
688 struct kvm_s390_stop_info stop
;
689 struct kvm_s390_mchk_info mchk
;
694 struct kvm_s390_irq_state
{
696 __u32 flags
; /* will stay unused for compatibility reasons */
698 __u32 reserved
[4]; /* will stay unused for compatibility reasons */
701 /* for KVM_SET_GUEST_DEBUG */
703 #define KVM_GUESTDBG_ENABLE 0x00000001
704 #define KVM_GUESTDBG_SINGLESTEP 0x00000002
706 struct kvm_guest_debug
{
709 struct kvm_guest_debug_arch arch
;
713 kvm_ioeventfd_flag_nr_datamatch
,
714 kvm_ioeventfd_flag_nr_pio
,
715 kvm_ioeventfd_flag_nr_deassign
,
716 kvm_ioeventfd_flag_nr_virtio_ccw_notify
,
717 kvm_ioeventfd_flag_nr_fast_mmio
,
718 kvm_ioeventfd_flag_nr_max
,
721 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
722 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
723 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
724 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
725 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
727 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
729 struct kvm_ioeventfd
{
731 __u64 addr
; /* legal pio/mmio address */
732 __u32 len
; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
738 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0)
739 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
740 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
741 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3)
742 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \
743 KVM_X86_DISABLE_EXITS_HLT | \
744 KVM_X86_DISABLE_EXITS_PAUSE | \
745 KVM_X86_DISABLE_EXITS_CSTATE)
747 /* for KVM_ENABLE_CAP */
748 struct kvm_enable_cap
{
756 /* for KVM_PPC_GET_PVINFO */
758 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
760 struct kvm_ppc_pvinfo
{
767 /* for KVM_PPC_GET_SMMU_INFO */
768 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8
770 struct kvm_ppc_one_page_size
{
771 __u32 page_shift
; /* Page shift (or 0) */
772 __u32 pte_enc
; /* Encoding in the HPTE (>>12) */
775 struct kvm_ppc_one_seg_page_size
{
776 __u32 page_shift
; /* Base page shift of segment (or 0) */
777 __u32 slb_enc
; /* SLB encoding for BookS */
778 struct kvm_ppc_one_page_size enc
[KVM_PPC_PAGE_SIZES_MAX_SZ
];
781 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001
782 #define KVM_PPC_1T_SEGMENTS 0x00000002
783 #define KVM_PPC_NO_HASH 0x00000004
785 struct kvm_ppc_smmu_info
{
788 __u16 data_keys
; /* # storage keys supported for data */
789 __u16 instr_keys
; /* # storage keys supported for instructions */
790 struct kvm_ppc_one_seg_page_size sps
[KVM_PPC_PAGE_SIZES_MAX_SZ
];
793 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
794 struct kvm_ppc_resize_hpt
{
802 /* machine type bits, to be used as argument to KVM_CREATE_VM */
803 #define KVM_VM_S390_UCONTROL 1
805 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
806 #define KVM_VM_PPC_HV 1
807 #define KVM_VM_PPC_PR 2
809 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
810 #define KVM_VM_MIPS_AUTO 0
811 #define KVM_VM_MIPS_VZ 1
812 #define KVM_VM_MIPS_TE 2
814 #define KVM_S390_SIE_PAGE_OFFSET 1
817 * On arm64, machine type can be used to request the physical
818 * address size for the VM. Bits[7-0] are reserved for the guest
819 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
820 * value 0 implies the default IPA size, 40bits.
822 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL
823 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \
824 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
826 * ioctls for /dev/kvm fds:
828 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
829 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
830 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
832 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
834 * Check if a kvm extension is available. Argument is extension number,
835 * return is 1 (yes) or 0 (no, sorry).
837 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
839 * Get size for mmap(vcpu_fd)
841 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
842 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
843 #define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06
844 #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
845 #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
846 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
847 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
850 * Extension capability list.
852 #define KVM_CAP_IRQCHIP 0
853 #define KVM_CAP_HLT 1
854 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
855 #define KVM_CAP_USER_MEMORY 3
856 #define KVM_CAP_SET_TSS_ADDR 4
857 #define KVM_CAP_VAPIC 6
858 #define KVM_CAP_EXT_CPUID 7
859 #define KVM_CAP_CLOCKSOURCE 8
860 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
861 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
862 #define KVM_CAP_PIT 11
863 #define KVM_CAP_NOP_IO_DELAY 12
864 #define KVM_CAP_PV_MMU 13
865 #define KVM_CAP_MP_STATE 14
866 #define KVM_CAP_COALESCED_MMIO 15
867 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
868 #define KVM_CAP_IOMMU 18
869 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
870 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
871 #define KVM_CAP_USER_NMI 22
872 #ifdef __KVM_HAVE_GUEST_DEBUG
873 #define KVM_CAP_SET_GUEST_DEBUG 23
875 #ifdef __KVM_HAVE_PIT
876 #define KVM_CAP_REINJECT_CONTROL 24
878 #define KVM_CAP_IRQ_ROUTING 25
879 #define KVM_CAP_IRQ_INJECT_STATUS 26
880 #define KVM_CAP_ASSIGN_DEV_IRQ 29
881 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
882 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
883 #ifdef __KVM_HAVE_MCE
884 #define KVM_CAP_MCE 31
886 #define KVM_CAP_IRQFD 32
887 #ifdef __KVM_HAVE_PIT
888 #define KVM_CAP_PIT2 33
890 #define KVM_CAP_SET_BOOT_CPU_ID 34
891 #ifdef __KVM_HAVE_PIT_STATE2
892 #define KVM_CAP_PIT_STATE2 35
894 #define KVM_CAP_IOEVENTFD 36
895 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
896 #ifdef __KVM_HAVE_XEN_HVM
897 #define KVM_CAP_XEN_HVM 38
899 #define KVM_CAP_ADJUST_CLOCK 39
900 #define KVM_CAP_INTERNAL_ERROR_DATA 40
901 #ifdef __KVM_HAVE_VCPU_EVENTS
902 #define KVM_CAP_VCPU_EVENTS 41
904 #define KVM_CAP_S390_PSW 42
905 #define KVM_CAP_PPC_SEGSTATE 43
906 #define KVM_CAP_HYPERV 44
907 #define KVM_CAP_HYPERV_VAPIC 45
908 #define KVM_CAP_HYPERV_SPIN 46
909 #define KVM_CAP_PCI_SEGMENT 47
910 #define KVM_CAP_PPC_PAIRED_SINGLES 48
911 #define KVM_CAP_INTR_SHADOW 49
912 #ifdef __KVM_HAVE_DEBUGREGS
913 #define KVM_CAP_DEBUGREGS 50
915 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
916 #define KVM_CAP_PPC_OSI 52
917 #define KVM_CAP_PPC_UNSET_IRQ 53
918 #define KVM_CAP_ENABLE_CAP 54
919 #ifdef __KVM_HAVE_XSAVE
920 #define KVM_CAP_XSAVE 55
922 #ifdef __KVM_HAVE_XCRS
923 #define KVM_CAP_XCRS 56
925 #define KVM_CAP_PPC_GET_PVINFO 57
926 #define KVM_CAP_PPC_IRQ_LEVEL 58
927 #define KVM_CAP_ASYNC_PF 59
928 #define KVM_CAP_TSC_CONTROL 60
929 #define KVM_CAP_GET_TSC_KHZ 61
930 #define KVM_CAP_PPC_BOOKE_SREGS 62
931 #define KVM_CAP_SPAPR_TCE 63
932 #define KVM_CAP_PPC_SMT 64
933 #define KVM_CAP_PPC_RMA 65
934 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
935 #define KVM_CAP_PPC_HIOR 67
936 #define KVM_CAP_PPC_PAPR 68
937 #define KVM_CAP_SW_TLB 69
938 #define KVM_CAP_ONE_REG 70
939 #define KVM_CAP_S390_GMAP 71
940 #define KVM_CAP_TSC_DEADLINE_TIMER 72
941 #define KVM_CAP_S390_UCONTROL 73
942 #define KVM_CAP_SYNC_REGS 74
943 #define KVM_CAP_PCI_2_3 75
944 #define KVM_CAP_KVMCLOCK_CTRL 76
945 #define KVM_CAP_SIGNAL_MSI 77
946 #define KVM_CAP_PPC_GET_SMMU_INFO 78
947 #define KVM_CAP_S390_COW 79
948 #define KVM_CAP_PPC_ALLOC_HTAB 80
949 #define KVM_CAP_READONLY_MEM 81
950 #define KVM_CAP_IRQFD_RESAMPLE 82
951 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
952 #define KVM_CAP_PPC_HTAB_FD 84
953 #define KVM_CAP_S390_CSS_SUPPORT 85
954 #define KVM_CAP_PPC_EPR 86
955 #define KVM_CAP_ARM_PSCI 87
956 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
957 #define KVM_CAP_DEVICE_CTRL 89
958 #define KVM_CAP_IRQ_MPIC 90
959 #define KVM_CAP_PPC_RTAS 91
960 #define KVM_CAP_IRQ_XICS 92
961 #define KVM_CAP_ARM_EL1_32BIT 93
962 #define KVM_CAP_SPAPR_MULTITCE 94
963 #define KVM_CAP_EXT_EMUL_CPUID 95
964 #define KVM_CAP_HYPERV_TIME 96
965 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
966 #define KVM_CAP_ENABLE_CAP_VM 98
967 #define KVM_CAP_S390_IRQCHIP 99
968 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
969 #define KVM_CAP_VM_ATTRIBUTES 101
970 #define KVM_CAP_ARM_PSCI_0_2 102
971 #define KVM_CAP_PPC_FIXUP_HCALL 103
972 #define KVM_CAP_PPC_ENABLE_HCALL 104
973 #define KVM_CAP_CHECK_EXTENSION_VM 105
974 #define KVM_CAP_S390_USER_SIGP 106
975 #define KVM_CAP_S390_VECTOR_REGISTERS 107
976 #define KVM_CAP_S390_MEM_OP 108
977 #define KVM_CAP_S390_USER_STSI 109
978 #define KVM_CAP_S390_SKEYS 110
979 #define KVM_CAP_MIPS_FPU 111
980 #define KVM_CAP_MIPS_MSA 112
981 #define KVM_CAP_S390_INJECT_IRQ 113
982 #define KVM_CAP_S390_IRQ_STATE 114
983 #define KVM_CAP_PPC_HWRNG 115
984 #define KVM_CAP_DISABLE_QUIRKS 116
985 #define KVM_CAP_X86_SMM 117
986 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
987 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
988 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
989 #define KVM_CAP_SPLIT_IRQCHIP 121
990 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
991 #define KVM_CAP_HYPERV_SYNIC 123
992 #define KVM_CAP_S390_RI 124
993 #define KVM_CAP_SPAPR_TCE_64 125
994 #define KVM_CAP_ARM_PMU_V3 126
995 #define KVM_CAP_VCPU_ATTRIBUTES 127
996 #define KVM_CAP_MAX_VCPU_ID 128
997 #define KVM_CAP_X2APIC_API 129
998 #define KVM_CAP_S390_USER_INSTR0 130
999 #define KVM_CAP_MSI_DEVID 131
1000 #define KVM_CAP_PPC_HTM 132
1001 #define KVM_CAP_SPAPR_RESIZE_HPT 133
1002 #define KVM_CAP_PPC_MMU_RADIX 134
1003 #define KVM_CAP_PPC_MMU_HASH_V3 135
1004 #define KVM_CAP_IMMEDIATE_EXIT 136
1005 #define KVM_CAP_MIPS_VZ 137
1006 #define KVM_CAP_MIPS_TE 138
1007 #define KVM_CAP_MIPS_64BIT 139
1008 #define KVM_CAP_S390_GS 140
1009 #define KVM_CAP_S390_AIS 141
1010 #define KVM_CAP_SPAPR_TCE_VFIO 142
1011 #define KVM_CAP_X86_DISABLE_EXITS 143
1012 #define KVM_CAP_ARM_USER_IRQ 144
1013 #define KVM_CAP_S390_CMMA_MIGRATION 145
1014 #define KVM_CAP_PPC_FWNMI 146
1015 #define KVM_CAP_PPC_SMT_POSSIBLE 147
1016 #define KVM_CAP_HYPERV_SYNIC2 148
1017 #define KVM_CAP_HYPERV_VP_INDEX 149
1018 #define KVM_CAP_S390_AIS_MIGRATION 150
1019 #define KVM_CAP_PPC_GET_CPU_CHAR 151
1020 #define KVM_CAP_S390_BPB 152
1021 #define KVM_CAP_GET_MSR_FEATURES 153
1022 #define KVM_CAP_HYPERV_EVENTFD 154
1023 #define KVM_CAP_HYPERV_TLBFLUSH 155
1024 #define KVM_CAP_S390_HPAGE_1M 156
1025 #define KVM_CAP_NESTED_STATE 157
1026 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1027 #define KVM_CAP_MSR_PLATFORM_INFO 159
1028 #define KVM_CAP_PPC_NESTED_HV 160
1029 #define KVM_CAP_HYPERV_SEND_IPI 161
1030 #define KVM_CAP_COALESCED_PIO 162
1031 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1032 #define KVM_CAP_EXCEPTION_PAYLOAD 164
1033 #define KVM_CAP_ARM_VM_IPA_SIZE 165
1034 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1035 #define KVM_CAP_HYPERV_CPUID 167
1036 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1037 #define KVM_CAP_PPC_IRQ_XIVE 169
1038 #define KVM_CAP_ARM_SVE 170
1039 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1040 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1041 #define KVM_CAP_PMU_EVENT_FILTER 173
1042 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1043 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1044 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1045 #define KVM_CAP_ARM_NISV_TO_USER 177
1046 #define KVM_CAP_ARM_INJECT_EXT_DABT 178
1047 #define KVM_CAP_S390_VCPU_RESETS 179
1048 #define KVM_CAP_S390_PROTECTED 180
1049 #define KVM_CAP_PPC_SECURE_GUEST 181
1050 #define KVM_CAP_HALT_POLL 182
1051 #define KVM_CAP_ASYNC_PF_INT 183
1052 #define KVM_CAP_LAST_CPU 184
1053 #define KVM_CAP_SMALLER_MAXPHYADDR 185
1054 #define KVM_CAP_S390_DIAG318 186
1055 #define KVM_CAP_STEAL_TIME 187
1056 #define KVM_CAP_X86_USER_SPACE_MSR 188
1057 #define KVM_CAP_X86_MSR_FILTER 189
1058 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1059 #define KVM_CAP_SYS_HYPERV_CPUID 191
1060 #define KVM_CAP_DIRTY_LOG_RING 192
1062 #ifdef KVM_CAP_IRQ_ROUTING
1064 struct kvm_irq_routing_irqchip
{
1069 struct kvm_irq_routing_msi
{
1079 struct kvm_irq_routing_s390_adapter
{
1083 __u32 summary_offset
;
1087 struct kvm_irq_routing_hv_sint
{
1092 /* gsi routing entry types */
1093 #define KVM_IRQ_ROUTING_IRQCHIP 1
1094 #define KVM_IRQ_ROUTING_MSI 2
1095 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
1096 #define KVM_IRQ_ROUTING_HV_SINT 4
1098 struct kvm_irq_routing_entry
{
1104 struct kvm_irq_routing_irqchip irqchip
;
1105 struct kvm_irq_routing_msi msi
;
1106 struct kvm_irq_routing_s390_adapter adapter
;
1107 struct kvm_irq_routing_hv_sint hv_sint
;
1112 struct kvm_irq_routing
{
1115 struct kvm_irq_routing_entry entries
[0];
1122 struct kvm_x86_mce
{
1133 #ifdef KVM_CAP_XEN_HVM
1134 struct kvm_xen_hvm_config
{
1145 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1147 * Available with KVM_CAP_IRQFD_RESAMPLE
1149 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1150 * the irqfd to operate in resampling mode for level triggered interrupt
1151 * emulation. See Documentation/virt/kvm/api.rst.
1153 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1163 /* For KVM_CAP_ADJUST_CLOCK */
1165 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */
1166 #define KVM_CLOCK_TSC_STABLE 2
1168 struct kvm_clock_data
{
1174 /* For KVM_CAP_SW_TLB */
1176 #define KVM_MMU_FSL_BOOKE_NOHV 0
1177 #define KVM_MMU_FSL_BOOKE_HV 1
1179 struct kvm_config_tlb
{
1186 struct kvm_dirty_tlb
{
1191 /* Available with KVM_CAP_ONE_REG */
1193 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL
1194 #define KVM_REG_GENERIC 0x0000000000000000ULL
1197 * Architecture specific registers are to be defined in arch headers and
1198 * ORed with the arch identifier.
1200 #define KVM_REG_PPC 0x1000000000000000ULL
1201 #define KVM_REG_X86 0x2000000000000000ULL
1202 #define KVM_REG_IA64 0x3000000000000000ULL
1203 #define KVM_REG_ARM 0x4000000000000000ULL
1204 #define KVM_REG_S390 0x5000000000000000ULL
1205 #define KVM_REG_ARM64 0x6000000000000000ULL
1206 #define KVM_REG_MIPS 0x7000000000000000ULL
1207 #define KVM_REG_RISCV 0x8000000000000000ULL
1209 #define KVM_REG_SIZE_SHIFT 52
1210 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
1211 #define KVM_REG_SIZE_U8 0x0000000000000000ULL
1212 #define KVM_REG_SIZE_U16 0x0010000000000000ULL
1213 #define KVM_REG_SIZE_U32 0x0020000000000000ULL
1214 #define KVM_REG_SIZE_U64 0x0030000000000000ULL
1215 #define KVM_REG_SIZE_U128 0x0040000000000000ULL
1216 #define KVM_REG_SIZE_U256 0x0050000000000000ULL
1217 #define KVM_REG_SIZE_U512 0x0060000000000000ULL
1218 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL
1219 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL
1221 struct kvm_reg_list
{
1222 __u64 n
; /* number of regs */
1226 struct kvm_one_reg
{
1231 #define KVM_MSI_VALID_DEVID (1U << 0)
1241 struct kvm_arm_device_addr
{
1247 * Device control API, available with KVM_CAP_DEVICE_CTRL
1249 #define KVM_CREATE_DEVICE_TEST 1
1251 struct kvm_create_device
{
1252 __u32 type
; /* in: KVM_DEV_TYPE_xxx */
1253 __u32 fd
; /* out: device handle */
1254 __u32 flags
; /* in: KVM_CREATE_DEVICE_xxx */
1257 struct kvm_device_attr
{
1258 __u32 flags
; /* no flags currently defined */
1259 __u32 group
; /* device-defined */
1260 __u64 attr
; /* group-defined */
1261 __u64 addr
; /* userspace address of attr data */
1264 #define KVM_DEV_VFIO_GROUP 1
1265 #define KVM_DEV_VFIO_GROUP_ADD 1
1266 #define KVM_DEV_VFIO_GROUP_DEL 2
1267 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
1269 enum kvm_device_type
{
1270 KVM_DEV_TYPE_FSL_MPIC_20
= 1,
1271 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1272 KVM_DEV_TYPE_FSL_MPIC_42
,
1273 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1275 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1277 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1278 KVM_DEV_TYPE_ARM_VGIC_V2
,
1279 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1281 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1282 KVM_DEV_TYPE_ARM_VGIC_V3
,
1283 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1284 KVM_DEV_TYPE_ARM_VGIC_ITS
,
1285 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
1287 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE
1288 KVM_DEV_TYPE_ARM_PV_TIME
,
1289 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME
1293 struct kvm_vfio_spapr_tce
{
1301 #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
1303 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1306 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1307 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1308 /* KVM_SET_MEMORY_ALIAS is obsolete: */
1309 #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
1310 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1311 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
1312 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1313 struct kvm_userspace_memory_region)
1314 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1315 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1317 /* enable ucontrol for s390 */
1318 struct kvm_s390_ucas_mapping
{
1323 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1324 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1325 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1327 /* Device model IOC */
1328 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1329 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1330 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1331 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1332 #define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1333 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1334 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1335 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1336 #define KVM_REGISTER_COALESCED_MMIO \
1337 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1338 #define KVM_UNREGISTER_COALESCED_MMIO \
1339 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1340 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
1341 struct kvm_assigned_pci_dev)
1342 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1343 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1344 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
1345 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
1346 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1347 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
1348 struct kvm_assigned_pci_dev)
1349 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
1350 struct kvm_assigned_msix_nr)
1351 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
1352 struct kvm_assigned_msix_entry)
1353 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
1354 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1355 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1356 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1357 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1358 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1359 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1360 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1361 /* Available with KVM_CAP_PIT_STATE2 */
1362 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1363 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1364 /* Available with KVM_CAP_PPC_GET_PVINFO */
1365 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1366 /* Available with KVM_CAP_TSC_CONTROL */
1367 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1368 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1369 /* Available with KVM_CAP_PCI_2_3 */
1370 #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
1371 struct kvm_assigned_pci_dev)
1372 /* Available with KVM_CAP_SIGNAL_MSI */
1373 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1374 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1375 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1376 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1377 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1378 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1379 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
1380 struct kvm_create_spapr_tce_64)
1381 /* Available with KVM_CAP_RMA */
1382 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1383 /* Available with KVM_CAP_PPC_HTAB_FD */
1384 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1385 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1386 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1387 /* Available with KVM_CAP_PPC_RTAS */
1388 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1389 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1390 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1391 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1392 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1393 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
1394 /* Available with KVM_CAP_PPC_RADIX_MMU */
1395 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
1396 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1397 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char)
1398 /* Available with KVM_CAP_PMU_EVENT_FILTER */
1399 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
1400 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
1402 /* ioctl for vm fd */
1403 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1405 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1406 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1407 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1408 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1411 * ioctls for vcpu fds
1413 #define KVM_RUN _IO(KVMIO, 0x80)
1414 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1415 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1416 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1417 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1418 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1419 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1420 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1421 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
1422 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1423 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1424 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1425 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1426 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1427 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1428 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1429 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1430 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1431 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1432 /* Available with KVM_CAP_VAPIC */
1433 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1434 /* Available with KVM_CAP_VAPIC */
1435 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1436 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1437 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1438 /* store status for s390 */
1439 #define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1440 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1441 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1442 /* initial ipl psw for s390 */
1443 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1444 /* initial reset for s390 */
1445 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1446 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1447 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1448 /* Available with KVM_CAP_USER_NMI */
1449 #define KVM_NMI _IO(KVMIO, 0x9a)
1450 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1451 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1453 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1454 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1455 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1456 /* Available with KVM_CAP_VCPU_EVENTS */
1457 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1458 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1459 /* Available with KVM_CAP_DEBUGREGS */
1460 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1461 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1463 * vcpu version available with KVM_ENABLE_CAP
1464 * vm version available with KVM_CAP_ENABLE_CAP_VM
1466 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1467 /* Available with KVM_CAP_XSAVE */
1468 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1469 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1470 /* Available with KVM_CAP_XCRS */
1471 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1472 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1473 /* Available with KVM_CAP_SW_TLB */
1474 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1475 /* Available with KVM_CAP_ONE_REG */
1476 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1477 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1478 /* VM is being stopped by host */
1479 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1480 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1481 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1482 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1483 /* Available with KVM_CAP_S390_MEM_OP */
1484 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1485 /* Available with KVM_CAP_S390_SKEYS */
1486 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1487 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1488 /* Available with KVM_CAP_S390_INJECT_IRQ */
1489 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1490 /* Available with KVM_CAP_S390_IRQ_STATE */
1491 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1492 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1493 /* Available with KVM_CAP_X86_SMM */
1494 #define KVM_SMI _IO(KVMIO, 0xb7)
1495 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1496 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1497 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1498 /* Memory Encryption Commands */
1499 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
1501 struct kvm_enc_region
{
1506 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1507 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1509 /* Available with KVM_CAP_HYPERV_EVENTFD */
1510 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
1512 /* Available with KVM_CAP_NESTED_STATE */
1513 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1514 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state)
1516 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1517 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1519 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1520 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1522 /* Available with KVM_CAP_ARM_SVE */
1523 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int)
1525 /* Available with KVM_CAP_S390_VCPU_RESETS */
1526 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3)
1527 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4)
1529 struct kvm_s390_pv_sec_parm
{
1534 struct kvm_s390_pv_unp
{
1543 KVM_PV_SET_SEC_PARMS
,
1551 __u32 cmd
; /* Command to be executed */
1552 __u16 rc
; /* Ultravisor return code */
1553 __u16 rrc
; /* Ultravisor return reason code */
1554 __u64 data
; /* Data or address */
1555 __u32 flags
; /* flags for future extensions. Must be 0 for now */
1559 /* Available with KVM_CAP_S390_PROTECTED */
1560 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1562 /* Available with KVM_CAP_X86_MSR_FILTER */
1563 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter)
1565 /* Available with KVM_CAP_DIRTY_LOG_RING */
1566 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7)
1568 /* Secure Encrypted Virtualization command */
1570 /* Guest initialization commands */
1573 /* Guest launch commands */
1574 KVM_SEV_LAUNCH_START
,
1575 KVM_SEV_LAUNCH_UPDATE_DATA
,
1576 KVM_SEV_LAUNCH_UPDATE_VMSA
,
1577 KVM_SEV_LAUNCH_SECRET
,
1578 KVM_SEV_LAUNCH_MEASURE
,
1579 KVM_SEV_LAUNCH_FINISH
,
1580 /* Guest migration commands (outgoing) */
1582 KVM_SEV_SEND_UPDATE_DATA
,
1583 KVM_SEV_SEND_UPDATE_VMSA
,
1584 KVM_SEV_SEND_FINISH
,
1585 /* Guest migration commands (incoming) */
1586 KVM_SEV_RECEIVE_START
,
1587 KVM_SEV_RECEIVE_UPDATE_DATA
,
1588 KVM_SEV_RECEIVE_UPDATE_VMSA
,
1589 KVM_SEV_RECEIVE_FINISH
,
1590 /* Guest status and debug commands */
1591 KVM_SEV_GUEST_STATUS
,
1592 KVM_SEV_DBG_DECRYPT
,
1593 KVM_SEV_DBG_ENCRYPT
,
1594 /* Guest certificates commands */
1595 KVM_SEV_CERT_EXPORT
,
1600 struct kvm_sev_cmd
{
1607 struct kvm_sev_launch_start
{
1612 __u64 session_uaddr
;
1616 struct kvm_sev_launch_update_data
{
1622 struct kvm_sev_launch_secret
{
1631 struct kvm_sev_launch_measure
{
1636 struct kvm_sev_guest_status
{
1642 struct kvm_sev_dbg
{
1648 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
1649 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
1650 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
1652 struct kvm_assigned_pci_dev
{
1653 __u32 assigned_dev_id
;
1663 #define KVM_DEV_IRQ_HOST_INTX (1 << 0)
1664 #define KVM_DEV_IRQ_HOST_MSI (1 << 1)
1665 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
1667 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
1668 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
1669 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
1671 #define KVM_DEV_IRQ_HOST_MASK 0x00ff
1672 #define KVM_DEV_IRQ_GUEST_MASK 0xff00
1674 struct kvm_assigned_irq
{
1675 __u32 assigned_dev_id
;
1676 __u32 host_irq
; /* ignored (legacy field) */
1684 struct kvm_assigned_msix_nr
{
1685 __u32 assigned_dev_id
;
1690 #define KVM_MAX_MSIX_PER_DEV 256
1691 struct kvm_assigned_msix_entry
{
1692 __u32 assigned_dev_id
;
1694 __u16 entry
; /* The index of entry in the MSI-X table */
1698 #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
1699 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
1701 /* Available with KVM_CAP_ARM_USER_IRQ */
1703 /* Bits for run->s.regs.device_irq_level */
1704 #define KVM_ARM_DEV_EL1_VTIMER (1 << 0)
1705 #define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
1706 #define KVM_ARM_DEV_PMU (1 << 2)
1708 struct kvm_hyperv_eventfd
{
1715 #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
1716 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
1718 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
1719 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1)
1722 * Arch needs to define the macro after implementing the dirty ring
1723 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
1724 * starting page offset of the dirty ring structures.
1726 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET
1727 #define KVM_DIRTY_LOG_PAGE_OFFSET 0
1731 * KVM dirty GFN flags, defined as:
1733 * |---------------+---------------+--------------|
1734 * | bit 1 (reset) | bit 0 (dirty) | Status |
1735 * |---------------+---------------+--------------|
1736 * | 0 | 0 | Invalid GFN |
1737 * | 0 | 1 | Dirty GFN |
1738 * | 1 | X | GFN to reset |
1739 * |---------------+---------------+--------------|
1741 * Lifecycle of a dirty GFN goes like:
1743 * dirtied harvested reset
1744 * 00 -----------> 01 -------------> 1X -------+
1747 * +------------------------------------------+
1749 * The userspace program is only responsible for the 01->1X state
1750 * conversion after harvesting an entry. Also, it must not skip any
1751 * dirty bits, so that dirty bits are always harvested in sequence.
1753 #define KVM_DIRTY_GFN_F_DIRTY BIT(0)
1754 #define KVM_DIRTY_GFN_F_RESET BIT(1)
1755 #define KVM_DIRTY_GFN_F_MASK 0x3
1758 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
1759 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The
1760 * size of the gfn buffer is decided by the first argument when
1761 * enabling KVM_CAP_DIRTY_LOG_RING.
1763 struct kvm_dirty_gfn
{
1769 #endif /* __LINUX_KVM_H */