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 struct kvm_xen_exit {
220 #define KVM_EXIT_XEN_HCALL 1
233 #define KVM_S390_GET_SKEYS_NONE 1
234 #define KVM_S390_SKEYS_MAX 1048576
236 #define KVM_EXIT_UNKNOWN 0
237 #define KVM_EXIT_EXCEPTION 1
238 #define KVM_EXIT_IO 2
239 #define KVM_EXIT_HYPERCALL 3
240 #define KVM_EXIT_DEBUG 4
241 #define KVM_EXIT_HLT 5
242 #define KVM_EXIT_MMIO 6
243 #define KVM_EXIT_IRQ_WINDOW_OPEN 7
244 #define KVM_EXIT_SHUTDOWN 8
245 #define KVM_EXIT_FAIL_ENTRY 9
246 #define KVM_EXIT_INTR 10
247 #define KVM_EXIT_SET_TPR 11
248 #define KVM_EXIT_TPR_ACCESS 12
249 #define KVM_EXIT_S390_SIEIC 13
250 #define KVM_EXIT_S390_RESET 14
251 #define KVM_EXIT_DCR 15 /* deprecated */
252 #define KVM_EXIT_NMI 16
253 #define KVM_EXIT_INTERNAL_ERROR 17
254 #define KVM_EXIT_OSI 18
255 #define KVM_EXIT_PAPR_HCALL 19
256 #define KVM_EXIT_S390_UCONTROL 20
257 #define KVM_EXIT_WATCHDOG 21
258 #define KVM_EXIT_S390_TSCH 22
259 #define KVM_EXIT_EPR 23
260 #define KVM_EXIT_SYSTEM_EVENT 24
261 #define KVM_EXIT_S390_STSI 25
262 #define KVM_EXIT_IOAPIC_EOI 26
263 #define KVM_EXIT_HYPERV 27
264 #define KVM_EXIT_ARM_NISV 28
265 #define KVM_EXIT_X86_RDMSR 29
266 #define KVM_EXIT_X86_WRMSR 30
267 #define KVM_EXIT_DIRTY_RING_FULL 31
268 #define KVM_EXIT_AP_RESET_HOLD 32
269 #define KVM_EXIT_X86_BUS_LOCK 33
270 #define KVM_EXIT_XEN 34
272 /* For KVM_EXIT_INTERNAL_ERROR */
273 /* Emulate instruction failed. */
274 #define KVM_INTERNAL_ERROR_EMULATION 1
275 /* Encounter unexpected simultaneous exceptions. */
276 #define KVM_INTERNAL_ERROR_SIMUL_EX 2
277 /* Encounter unexpected vm-exit due to delivery event. */
278 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3
279 /* Encounter unexpected vm-exit reason */
280 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4
282 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
285 __u8 request_interrupt_window;
291 __u8 ready_for_interrupt_injection;
295 /* in (pre_kvm_run), out (post_kvm_run) */
300 /* the processor status word for s390 */
301 __u64 psw_mask; /* psw upper half */
302 __u64 psw_addr; /* psw lower half */
305 /* KVM_EXIT_UNKNOWN */
307 __u64 hardware_exit_reason;
309 /* KVM_EXIT_FAIL_ENTRY */
311 __u64 hardware_entry_failure_reason;
314 /* KVM_EXIT_EXCEPTION */
321 #define KVM_EXIT_IO_IN 0
322 #define KVM_EXIT_IO_OUT 1
324 __u8 size; /* bytes */
327 __u64 data_offset; /* relative to kvm_run start */
331 struct kvm_debug_exit_arch arch;
340 /* KVM_EXIT_HYPERCALL */
348 /* KVM_EXIT_TPR_ACCESS */
354 /* KVM_EXIT_S390_SIEIC */
360 /* KVM_EXIT_S390_RESET */
361 #define KVM_S390_RESET_POR 1
362 #define KVM_S390_RESET_CLEAR 2
363 #define KVM_S390_RESET_SUBSYSTEM 4
364 #define KVM_S390_RESET_CPU_INIT 8
365 #define KVM_S390_RESET_IPL 16
366 __u64 s390_reset_flags;
367 /* KVM_EXIT_S390_UCONTROL */
369 __u64 trans_exc_code;
372 /* KVM_EXIT_DCR (deprecated) */
378 /* KVM_EXIT_INTERNAL_ERROR */
381 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
389 /* KVM_EXIT_PAPR_HCALL */
395 /* KVM_EXIT_S390_TSCH */
408 /* KVM_EXIT_SYSTEM_EVENT */
410 #define KVM_SYSTEM_EVENT_SHUTDOWN 1
411 #define KVM_SYSTEM_EVENT_RESET 2
412 #define KVM_SYSTEM_EVENT_CRASH 3
416 /* KVM_EXIT_S390_STSI */
425 /* KVM_EXIT_IOAPIC_EOI */
429 /* KVM_EXIT_HYPERV */
430 struct kvm_hyperv_exit hyperv;
431 /* KVM_EXIT_ARM_NISV */
436 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
438 __u8 error; /* user -> kernel */
440 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0)
441 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1)
442 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2)
443 __u32 reason; /* kernel -> user */
444 __u32 index; /* kernel -> user */
445 __u64 data; /* kernel <-> user */
448 struct kvm_xen_exit xen;
449 /* Fix the size of the union. */
453 /* 2048 is the size of the char array used to bound/pad the size
454 * of the union that holds sync regs.
456 #define SYNC_REGS_SIZE_BYTES 2048
458 * shared registers between kvm and userspace.
459 * kvm_valid_regs specifies the register classes set by the host
460 * kvm_dirty_regs specified the register classes dirtied by userspace
461 * struct kvm_sync_regs is architecture specific, as well as the
462 * bits for kvm_valid_regs and kvm_dirty_regs
464 __u64 kvm_valid_regs;
465 __u64 kvm_dirty_regs;
467 struct kvm_sync_regs regs;
468 char padding[SYNC_REGS_SIZE_BYTES];
472 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
474 struct kvm_coalesced_mmio_zone {
483 struct kvm_coalesced_mmio {
493 struct kvm_coalesced_mmio_ring {
495 struct kvm_coalesced_mmio coalesced_mmio[0];
498 #define KVM_COALESCED_MMIO_MAX \
499 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
500 sizeof(struct kvm_coalesced_mmio))
502 /* for KVM_TRANSLATE */
503 struct kvm_translation {
505 __u64 linear_address;
508 __u64 physical_address;
515 /* for KVM_S390_MEM_OP */
516 struct kvm_s390_mem_op {
518 __u64 gaddr; /* the guest address */
519 __u64 flags; /* flags */
520 __u32 size; /* amount of bytes */
521 __u32 op; /* type of operation */
522 __u64 buf; /* buffer in userspace */
524 __u8 ar; /* the access register number */
525 __u32 sida_offset; /* offset into the sida */
526 __u8 reserved[32]; /* should be set to 0 */
529 /* types for kvm_s390_mem_op->op */
530 #define KVM_S390_MEMOP_LOGICAL_READ 0
531 #define KVM_S390_MEMOP_LOGICAL_WRITE 1
532 #define KVM_S390_MEMOP_SIDA_READ 2
533 #define KVM_S390_MEMOP_SIDA_WRITE 3
534 /* flags for kvm_s390_mem_op->flags */
535 #define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
536 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
538 /* for KVM_INTERRUPT */
539 struct kvm_interrupt {
544 /* for KVM_GET_DIRTY_LOG */
545 struct kvm_dirty_log {
549 void __user *dirty_bitmap; /* one bit per page */
554 /* for KVM_CLEAR_DIRTY_LOG */
555 struct kvm_clear_dirty_log {
560 void __user *dirty_bitmap; /* one bit per page */
565 /* for KVM_SET_SIGNAL_MASK */
566 struct kvm_signal_mask {
571 /* for KVM_TPR_ACCESS_REPORTING */
572 struct kvm_tpr_access_ctl {
578 /* for KVM_SET_VAPIC_ADDR */
579 struct kvm_vapic_addr {
583 /* for KVM_SET_MP_STATE */
585 /* not all states are valid on all architectures */
586 #define KVM_MP_STATE_RUNNABLE 0
587 #define KVM_MP_STATE_UNINITIALIZED 1
588 #define KVM_MP_STATE_INIT_RECEIVED 2
589 #define KVM_MP_STATE_HALTED 3
590 #define KVM_MP_STATE_SIPI_RECEIVED 4
591 #define KVM_MP_STATE_STOPPED 5
592 #define KVM_MP_STATE_CHECK_STOP 6
593 #define KVM_MP_STATE_OPERATING 7
594 #define KVM_MP_STATE_LOAD 8
595 #define KVM_MP_STATE_AP_RESET_HOLD 9
597 struct kvm_mp_state {
601 struct kvm_s390_psw {
606 /* valid values for type in kvm_s390_interrupt */
607 #define KVM_S390_SIGP_STOP 0xfffe0000u
608 #define KVM_S390_PROGRAM_INT 0xfffe0001u
609 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
610 #define KVM_S390_RESTART 0xfffe0003u
611 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
612 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
613 #define KVM_S390_MCHK 0xfffe1000u
614 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u
615 #define KVM_S390_INT_CPU_TIMER 0xffff1005u
616 #define KVM_S390_INT_VIRTIO 0xffff2603u
617 #define KVM_S390_INT_SERVICE 0xffff2401u
618 #define KVM_S390_INT_EMERGENCY 0xffff1201u
619 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
620 /* Anything below 0xfffe0000u is taken by INT_IO */
621 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
626 #define KVM_S390_INT_IO_MIN 0x00000000u
627 #define KVM_S390_INT_IO_MAX 0xfffdffffu
628 #define KVM_S390_INT_IO_AI_MASK 0x04000000u
631 struct kvm_s390_interrupt {
637 struct kvm_s390_io_info {
644 struct kvm_s390_ext_info {
650 struct kvm_s390_pgm_info {
651 __u64 trans_exc_code;
662 #define KVM_S390_PGM_FLAGS_ILC_VALID 0x01
663 #define KVM_S390_PGM_FLAGS_ILC_0 0x02
664 #define KVM_S390_PGM_FLAGS_ILC_1 0x04
665 #define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
666 #define KVM_S390_PGM_FLAGS_NO_REWIND 0x08
671 struct kvm_s390_prefix_info {
675 struct kvm_s390_extcall_info {
679 struct kvm_s390_emerg_info {
683 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
684 struct kvm_s390_stop_info {
688 struct kvm_s390_mchk_info {
691 __u64 failing_storage_address;
692 __u32 ext_damage_code;
694 __u8 fixed_logout[16];
697 struct kvm_s390_irq {
700 struct kvm_s390_io_info io;
701 struct kvm_s390_ext_info ext;
702 struct kvm_s390_pgm_info pgm;
703 struct kvm_s390_emerg_info emerg;
704 struct kvm_s390_extcall_info extcall;
705 struct kvm_s390_prefix_info prefix;
706 struct kvm_s390_stop_info stop;
707 struct kvm_s390_mchk_info mchk;
712 struct kvm_s390_irq_state {
714 __u32 flags; /* will stay unused for compatibility reasons */
716 __u32 reserved[4]; /* will stay unused for compatibility reasons */
719 /* for KVM_SET_GUEST_DEBUG */
721 #define KVM_GUESTDBG_ENABLE 0x00000001
722 #define KVM_GUESTDBG_SINGLESTEP 0x00000002
724 struct kvm_guest_debug {
727 struct kvm_guest_debug_arch arch;
731 kvm_ioeventfd_flag_nr_datamatch,
732 kvm_ioeventfd_flag_nr_pio,
733 kvm_ioeventfd_flag_nr_deassign,
734 kvm_ioeventfd_flag_nr_virtio_ccw_notify,
735 kvm_ioeventfd_flag_nr_fast_mmio,
736 kvm_ioeventfd_flag_nr_max,
739 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
740 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
741 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
742 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
743 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
745 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
747 struct kvm_ioeventfd {
749 __u64 addr; /* legal pio/mmio address */
750 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
756 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0)
757 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
758 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
759 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3)
760 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \
761 KVM_X86_DISABLE_EXITS_HLT | \
762 KVM_X86_DISABLE_EXITS_PAUSE | \
763 KVM_X86_DISABLE_EXITS_CSTATE)
765 /* for KVM_ENABLE_CAP */
766 struct kvm_enable_cap {
774 /* for KVM_PPC_GET_PVINFO */
776 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
778 struct kvm_ppc_pvinfo {
785 /* for KVM_PPC_GET_SMMU_INFO */
786 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8
788 struct kvm_ppc_one_page_size {
789 __u32 page_shift; /* Page shift (or 0) */
790 __u32 pte_enc; /* Encoding in the HPTE (>>12) */
793 struct kvm_ppc_one_seg_page_size {
794 __u32 page_shift; /* Base page shift of segment (or 0) */
795 __u32 slb_enc; /* SLB encoding for BookS */
796 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
799 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001
800 #define KVM_PPC_1T_SEGMENTS 0x00000002
801 #define KVM_PPC_NO_HASH 0x00000004
803 struct kvm_ppc_smmu_info {
806 __u16 data_keys; /* # storage keys supported for data */
807 __u16 instr_keys; /* # storage keys supported for instructions */
808 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
811 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
812 struct kvm_ppc_resize_hpt {
820 /* machine type bits, to be used as argument to KVM_CREATE_VM */
821 #define KVM_VM_S390_UCONTROL 1
823 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
824 #define KVM_VM_PPC_HV 1
825 #define KVM_VM_PPC_PR 2
827 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
828 #define KVM_VM_MIPS_AUTO 0
829 #define KVM_VM_MIPS_VZ 1
830 #define KVM_VM_MIPS_TE 2
832 #define KVM_S390_SIE_PAGE_OFFSET 1
835 * On arm64, machine type can be used to request the physical
836 * address size for the VM. Bits[7-0] are reserved for the guest
837 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
838 * value 0 implies the default IPA size, 40bits.
840 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL
841 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \
842 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
844 * ioctls for /dev/kvm fds:
846 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
847 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
848 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
850 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
852 * Check if a kvm extension is available. Argument is extension number,
853 * return is 1 (yes) or 0 (no, sorry).
855 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
857 * Get size for mmap(vcpu_fd)
859 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
860 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
861 #define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06
862 #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
863 #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
864 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
865 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
868 * Extension capability list.
870 #define KVM_CAP_IRQCHIP 0
871 #define KVM_CAP_HLT 1
872 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
873 #define KVM_CAP_USER_MEMORY 3
874 #define KVM_CAP_SET_TSS_ADDR 4
875 #define KVM_CAP_VAPIC 6
876 #define KVM_CAP_EXT_CPUID 7
877 #define KVM_CAP_CLOCKSOURCE 8
878 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
879 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
880 #define KVM_CAP_PIT 11
881 #define KVM_CAP_NOP_IO_DELAY 12
882 #define KVM_CAP_PV_MMU 13
883 #define KVM_CAP_MP_STATE 14
884 #define KVM_CAP_COALESCED_MMIO 15
885 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
886 #define KVM_CAP_IOMMU 18
887 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
888 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
889 #define KVM_CAP_USER_NMI 22
890 #ifdef __KVM_HAVE_GUEST_DEBUG
891 #define KVM_CAP_SET_GUEST_DEBUG 23
893 #ifdef __KVM_HAVE_PIT
894 #define KVM_CAP_REINJECT_CONTROL 24
896 #define KVM_CAP_IRQ_ROUTING 25
897 #define KVM_CAP_IRQ_INJECT_STATUS 26
898 #define KVM_CAP_ASSIGN_DEV_IRQ 29
899 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
900 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
901 #ifdef __KVM_HAVE_MCE
902 #define KVM_CAP_MCE 31
904 #define KVM_CAP_IRQFD 32
905 #ifdef __KVM_HAVE_PIT
906 #define KVM_CAP_PIT2 33
908 #define KVM_CAP_SET_BOOT_CPU_ID 34
909 #ifdef __KVM_HAVE_PIT_STATE2
910 #define KVM_CAP_PIT_STATE2 35
912 #define KVM_CAP_IOEVENTFD 36
913 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
914 #ifdef __KVM_HAVE_XEN_HVM
915 #define KVM_CAP_XEN_HVM 38
917 #define KVM_CAP_ADJUST_CLOCK 39
918 #define KVM_CAP_INTERNAL_ERROR_DATA 40
919 #ifdef __KVM_HAVE_VCPU_EVENTS
920 #define KVM_CAP_VCPU_EVENTS 41
922 #define KVM_CAP_S390_PSW 42
923 #define KVM_CAP_PPC_SEGSTATE 43
924 #define KVM_CAP_HYPERV 44
925 #define KVM_CAP_HYPERV_VAPIC 45
926 #define KVM_CAP_HYPERV_SPIN 46
927 #define KVM_CAP_PCI_SEGMENT 47
928 #define KVM_CAP_PPC_PAIRED_SINGLES 48
929 #define KVM_CAP_INTR_SHADOW 49
930 #ifdef __KVM_HAVE_DEBUGREGS
931 #define KVM_CAP_DEBUGREGS 50
933 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
934 #define KVM_CAP_PPC_OSI 52
935 #define KVM_CAP_PPC_UNSET_IRQ 53
936 #define KVM_CAP_ENABLE_CAP 54
937 #ifdef __KVM_HAVE_XSAVE
938 #define KVM_CAP_XSAVE 55
940 #ifdef __KVM_HAVE_XCRS
941 #define KVM_CAP_XCRS 56
943 #define KVM_CAP_PPC_GET_PVINFO 57
944 #define KVM_CAP_PPC_IRQ_LEVEL 58
945 #define KVM_CAP_ASYNC_PF 59
946 #define KVM_CAP_TSC_CONTROL 60
947 #define KVM_CAP_GET_TSC_KHZ 61
948 #define KVM_CAP_PPC_BOOKE_SREGS 62
949 #define KVM_CAP_SPAPR_TCE 63
950 #define KVM_CAP_PPC_SMT 64
951 #define KVM_CAP_PPC_RMA 65
952 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
953 #define KVM_CAP_PPC_HIOR 67
954 #define KVM_CAP_PPC_PAPR 68
955 #define KVM_CAP_SW_TLB 69
956 #define KVM_CAP_ONE_REG 70
957 #define KVM_CAP_S390_GMAP 71
958 #define KVM_CAP_TSC_DEADLINE_TIMER 72
959 #define KVM_CAP_S390_UCONTROL 73
960 #define KVM_CAP_SYNC_REGS 74
961 #define KVM_CAP_PCI_2_3 75
962 #define KVM_CAP_KVMCLOCK_CTRL 76
963 #define KVM_CAP_SIGNAL_MSI 77
964 #define KVM_CAP_PPC_GET_SMMU_INFO 78
965 #define KVM_CAP_S390_COW 79
966 #define KVM_CAP_PPC_ALLOC_HTAB 80
967 #define KVM_CAP_READONLY_MEM 81
968 #define KVM_CAP_IRQFD_RESAMPLE 82
969 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
970 #define KVM_CAP_PPC_HTAB_FD 84
971 #define KVM_CAP_S390_CSS_SUPPORT 85
972 #define KVM_CAP_PPC_EPR 86
973 #define KVM_CAP_ARM_PSCI 87
974 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
975 #define KVM_CAP_DEVICE_CTRL 89
976 #define KVM_CAP_IRQ_MPIC 90
977 #define KVM_CAP_PPC_RTAS 91
978 #define KVM_CAP_IRQ_XICS 92
979 #define KVM_CAP_ARM_EL1_32BIT 93
980 #define KVM_CAP_SPAPR_MULTITCE 94
981 #define KVM_CAP_EXT_EMUL_CPUID 95
982 #define KVM_CAP_HYPERV_TIME 96
983 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
984 #define KVM_CAP_ENABLE_CAP_VM 98
985 #define KVM_CAP_S390_IRQCHIP 99
986 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
987 #define KVM_CAP_VM_ATTRIBUTES 101
988 #define KVM_CAP_ARM_PSCI_0_2 102
989 #define KVM_CAP_PPC_FIXUP_HCALL 103
990 #define KVM_CAP_PPC_ENABLE_HCALL 104
991 #define KVM_CAP_CHECK_EXTENSION_VM 105
992 #define KVM_CAP_S390_USER_SIGP 106
993 #define KVM_CAP_S390_VECTOR_REGISTERS 107
994 #define KVM_CAP_S390_MEM_OP 108
995 #define KVM_CAP_S390_USER_STSI 109
996 #define KVM_CAP_S390_SKEYS 110
997 #define KVM_CAP_MIPS_FPU 111
998 #define KVM_CAP_MIPS_MSA 112
999 #define KVM_CAP_S390_INJECT_IRQ 113
1000 #define KVM_CAP_S390_IRQ_STATE 114
1001 #define KVM_CAP_PPC_HWRNG 115
1002 #define KVM_CAP_DISABLE_QUIRKS 116
1003 #define KVM_CAP_X86_SMM 117
1004 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
1005 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
1006 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
1007 #define KVM_CAP_SPLIT_IRQCHIP 121
1008 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
1009 #define KVM_CAP_HYPERV_SYNIC 123
1010 #define KVM_CAP_S390_RI 124
1011 #define KVM_CAP_SPAPR_TCE_64 125
1012 #define KVM_CAP_ARM_PMU_V3 126
1013 #define KVM_CAP_VCPU_ATTRIBUTES 127
1014 #define KVM_CAP_MAX_VCPU_ID 128
1015 #define KVM_CAP_X2APIC_API 129
1016 #define KVM_CAP_S390_USER_INSTR0 130
1017 #define KVM_CAP_MSI_DEVID 131
1018 #define KVM_CAP_PPC_HTM 132
1019 #define KVM_CAP_SPAPR_RESIZE_HPT 133
1020 #define KVM_CAP_PPC_MMU_RADIX 134
1021 #define KVM_CAP_PPC_MMU_HASH_V3 135
1022 #define KVM_CAP_IMMEDIATE_EXIT 136
1023 #define KVM_CAP_MIPS_VZ 137
1024 #define KVM_CAP_MIPS_TE 138
1025 #define KVM_CAP_MIPS_64BIT 139
1026 #define KVM_CAP_S390_GS 140
1027 #define KVM_CAP_S390_AIS 141
1028 #define KVM_CAP_SPAPR_TCE_VFIO 142
1029 #define KVM_CAP_X86_DISABLE_EXITS 143
1030 #define KVM_CAP_ARM_USER_IRQ 144
1031 #define KVM_CAP_S390_CMMA_MIGRATION 145
1032 #define KVM_CAP_PPC_FWNMI 146
1033 #define KVM_CAP_PPC_SMT_POSSIBLE 147
1034 #define KVM_CAP_HYPERV_SYNIC2 148
1035 #define KVM_CAP_HYPERV_VP_INDEX 149
1036 #define KVM_CAP_S390_AIS_MIGRATION 150
1037 #define KVM_CAP_PPC_GET_CPU_CHAR 151
1038 #define KVM_CAP_S390_BPB 152
1039 #define KVM_CAP_GET_MSR_FEATURES 153
1040 #define KVM_CAP_HYPERV_EVENTFD 154
1041 #define KVM_CAP_HYPERV_TLBFLUSH 155
1042 #define KVM_CAP_S390_HPAGE_1M 156
1043 #define KVM_CAP_NESTED_STATE 157
1044 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1045 #define KVM_CAP_MSR_PLATFORM_INFO 159
1046 #define KVM_CAP_PPC_NESTED_HV 160
1047 #define KVM_CAP_HYPERV_SEND_IPI 161
1048 #define KVM_CAP_COALESCED_PIO 162
1049 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1050 #define KVM_CAP_EXCEPTION_PAYLOAD 164
1051 #define KVM_CAP_ARM_VM_IPA_SIZE 165
1052 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1053 #define KVM_CAP_HYPERV_CPUID 167
1054 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1055 #define KVM_CAP_PPC_IRQ_XIVE 169
1056 #define KVM_CAP_ARM_SVE 170
1057 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1058 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1059 #define KVM_CAP_PMU_EVENT_FILTER 173
1060 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1061 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1062 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1063 #define KVM_CAP_ARM_NISV_TO_USER 177
1064 #define KVM_CAP_ARM_INJECT_EXT_DABT 178
1065 #define KVM_CAP_S390_VCPU_RESETS 179
1066 #define KVM_CAP_S390_PROTECTED 180
1067 #define KVM_CAP_PPC_SECURE_GUEST 181
1068 #define KVM_CAP_HALT_POLL 182
1069 #define KVM_CAP_ASYNC_PF_INT 183
1070 #define KVM_CAP_LAST_CPU 184
1071 #define KVM_CAP_SMALLER_MAXPHYADDR 185
1072 #define KVM_CAP_S390_DIAG318 186
1073 #define KVM_CAP_STEAL_TIME 187
1074 #define KVM_CAP_X86_USER_SPACE_MSR 188
1075 #define KVM_CAP_X86_MSR_FILTER 189
1076 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1077 #define KVM_CAP_SYS_HYPERV_CPUID 191
1078 #define KVM_CAP_DIRTY_LOG_RING 192
1079 #define KVM_CAP_X86_BUS_LOCK_EXIT 193
1080 #define KVM_CAP_PPC_DAWR1 194
1081 #define KVM_CAP_SET_GUEST_DEBUG2 195
1082 #define KVM_CAP_SGX_ATTRIBUTE 196
1083 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
1085 #ifdef KVM_CAP_IRQ_ROUTING
1087 struct kvm_irq_routing_irqchip {
1092 struct kvm_irq_routing_msi {
1102 struct kvm_irq_routing_s390_adapter {
1106 __u32 summary_offset;
1110 struct kvm_irq_routing_hv_sint {
1115 /* gsi routing entry types */
1116 #define KVM_IRQ_ROUTING_IRQCHIP 1
1117 #define KVM_IRQ_ROUTING_MSI 2
1118 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
1119 #define KVM_IRQ_ROUTING_HV_SINT 4
1121 struct kvm_irq_routing_entry {
1127 struct kvm_irq_routing_irqchip irqchip;
1128 struct kvm_irq_routing_msi msi;
1129 struct kvm_irq_routing_s390_adapter adapter;
1130 struct kvm_irq_routing_hv_sint hv_sint;
1135 struct kvm_irq_routing {
1138 struct kvm_irq_routing_entry entries[0];
1145 struct kvm_x86_mce {
1156 #ifdef KVM_CAP_XEN_HVM
1157 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0)
1158 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1)
1159 #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2)
1160 #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3)
1162 struct kvm_xen_hvm_config {
1173 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1175 * Available with KVM_CAP_IRQFD_RESAMPLE
1177 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1178 * the irqfd to operate in resampling mode for level triggered interrupt
1179 * emulation. See Documentation/virt/kvm/api.rst.
1181 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1191 /* For KVM_CAP_ADJUST_CLOCK */
1193 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */
1194 #define KVM_CLOCK_TSC_STABLE 2
1196 struct kvm_clock_data {
1202 /* For KVM_CAP_SW_TLB */
1204 #define KVM_MMU_FSL_BOOKE_NOHV 0
1205 #define KVM_MMU_FSL_BOOKE_HV 1
1207 struct kvm_config_tlb {
1214 struct kvm_dirty_tlb {
1219 /* Available with KVM_CAP_ONE_REG */
1221 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL
1222 #define KVM_REG_GENERIC 0x0000000000000000ULL
1225 * Architecture specific registers are to be defined in arch headers and
1226 * ORed with the arch identifier.
1228 #define KVM_REG_PPC 0x1000000000000000ULL
1229 #define KVM_REG_X86 0x2000000000000000ULL
1230 #define KVM_REG_IA64 0x3000000000000000ULL
1231 #define KVM_REG_ARM 0x4000000000000000ULL
1232 #define KVM_REG_S390 0x5000000000000000ULL
1233 #define KVM_REG_ARM64 0x6000000000000000ULL
1234 #define KVM_REG_MIPS 0x7000000000000000ULL
1235 #define KVM_REG_RISCV 0x8000000000000000ULL
1237 #define KVM_REG_SIZE_SHIFT 52
1238 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
1239 #define KVM_REG_SIZE_U8 0x0000000000000000ULL
1240 #define KVM_REG_SIZE_U16 0x0010000000000000ULL
1241 #define KVM_REG_SIZE_U32 0x0020000000000000ULL
1242 #define KVM_REG_SIZE_U64 0x0030000000000000ULL
1243 #define KVM_REG_SIZE_U128 0x0040000000000000ULL
1244 #define KVM_REG_SIZE_U256 0x0050000000000000ULL
1245 #define KVM_REG_SIZE_U512 0x0060000000000000ULL
1246 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL
1247 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL
1249 struct kvm_reg_list {
1250 __u64 n; /* number of regs */
1254 struct kvm_one_reg {
1259 #define KVM_MSI_VALID_DEVID (1U << 0)
1269 struct kvm_arm_device_addr {
1275 * Device control API, available with KVM_CAP_DEVICE_CTRL
1277 #define KVM_CREATE_DEVICE_TEST 1
1279 struct kvm_create_device {
1280 __u32 type; /* in: KVM_DEV_TYPE_xxx */
1281 __u32 fd; /* out: device handle */
1282 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */
1285 struct kvm_device_attr {
1286 __u32 flags; /* no flags currently defined */
1287 __u32 group; /* device-defined */
1288 __u64 attr; /* group-defined */
1289 __u64 addr; /* userspace address of attr data */
1292 #define KVM_DEV_VFIO_GROUP 1
1293 #define KVM_DEV_VFIO_GROUP_ADD 1
1294 #define KVM_DEV_VFIO_GROUP_DEL 2
1295 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
1297 enum kvm_device_type {
1298 KVM_DEV_TYPE_FSL_MPIC_20 = 1,
1299 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1300 KVM_DEV_TYPE_FSL_MPIC_42,
1301 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1303 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1305 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1306 KVM_DEV_TYPE_ARM_VGIC_V2,
1307 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1309 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1310 KVM_DEV_TYPE_ARM_VGIC_V3,
1311 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1312 KVM_DEV_TYPE_ARM_VGIC_ITS,
1313 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
1315 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE
1316 KVM_DEV_TYPE_ARM_PV_TIME,
1317 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME
1321 struct kvm_vfio_spapr_tce {
1329 #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
1331 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1334 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1335 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1336 /* KVM_SET_MEMORY_ALIAS is obsolete: */
1337 #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
1338 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1339 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
1340 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1341 struct kvm_userspace_memory_region)
1342 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1343 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1345 /* enable ucontrol for s390 */
1346 struct kvm_s390_ucas_mapping {
1351 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1352 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1353 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1355 /* Device model IOC */
1356 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1357 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1358 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1359 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1360 #define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1361 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1362 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1363 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1364 #define KVM_REGISTER_COALESCED_MMIO \
1365 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1366 #define KVM_UNREGISTER_COALESCED_MMIO \
1367 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1368 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
1369 struct kvm_assigned_pci_dev)
1370 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1371 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1372 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
1373 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
1374 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1375 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
1376 struct kvm_assigned_pci_dev)
1377 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
1378 struct kvm_assigned_msix_nr)
1379 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
1380 struct kvm_assigned_msix_entry)
1381 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
1382 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1383 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1384 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1385 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1386 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1387 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1388 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1389 /* Available with KVM_CAP_PIT_STATE2 */
1390 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1391 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1392 /* Available with KVM_CAP_PPC_GET_PVINFO */
1393 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1394 /* Available with KVM_CAP_TSC_CONTROL */
1395 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1396 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1397 /* Available with KVM_CAP_PCI_2_3 */
1398 #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
1399 struct kvm_assigned_pci_dev)
1400 /* Available with KVM_CAP_SIGNAL_MSI */
1401 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1402 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1403 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1404 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1405 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1406 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1407 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
1408 struct kvm_create_spapr_tce_64)
1409 /* Available with KVM_CAP_RMA */
1410 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1411 /* Available with KVM_CAP_PPC_HTAB_FD */
1412 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1413 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1414 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1415 /* Available with KVM_CAP_PPC_RTAS */
1416 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1417 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1418 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1419 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1420 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1421 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
1422 /* Available with KVM_CAP_PPC_RADIX_MMU */
1423 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
1424 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1425 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char)
1426 /* Available with KVM_CAP_PMU_EVENT_FILTER */
1427 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
1428 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
1430 /* ioctl for vm fd */
1431 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1433 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1434 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1435 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1436 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1439 * ioctls for vcpu fds
1441 #define KVM_RUN _IO(KVMIO, 0x80)
1442 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1443 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1444 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1445 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1446 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1447 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1448 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1449 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
1450 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1451 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1452 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1453 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1454 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1455 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1456 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1457 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1458 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1459 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1460 /* Available with KVM_CAP_VAPIC */
1461 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1462 /* Available with KVM_CAP_VAPIC */
1463 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1464 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1465 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1466 /* store status for s390 */
1467 #define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1468 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1469 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1470 /* initial ipl psw for s390 */
1471 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1472 /* initial reset for s390 */
1473 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1474 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1475 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1476 /* Available with KVM_CAP_USER_NMI */
1477 #define KVM_NMI _IO(KVMIO, 0x9a)
1478 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1479 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1481 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1482 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1483 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1484 /* Available with KVM_CAP_VCPU_EVENTS */
1485 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1486 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1487 /* Available with KVM_CAP_DEBUGREGS */
1488 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1489 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1491 * vcpu version available with KVM_ENABLE_CAP
1492 * vm version available with KVM_CAP_ENABLE_CAP_VM
1494 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1495 /* Available with KVM_CAP_XSAVE */
1496 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1497 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1498 /* Available with KVM_CAP_XCRS */
1499 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1500 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1501 /* Available with KVM_CAP_SW_TLB */
1502 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1503 /* Available with KVM_CAP_ONE_REG */
1504 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1505 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1506 /* VM is being stopped by host */
1507 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1508 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1509 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1510 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1511 /* Available with KVM_CAP_S390_MEM_OP */
1512 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1513 /* Available with KVM_CAP_S390_SKEYS */
1514 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1515 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1516 /* Available with KVM_CAP_S390_INJECT_IRQ */
1517 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1518 /* Available with KVM_CAP_S390_IRQ_STATE */
1519 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1520 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1521 /* Available with KVM_CAP_X86_SMM */
1522 #define KVM_SMI _IO(KVMIO, 0xb7)
1523 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1524 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1525 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1526 /* Memory Encryption Commands */
1527 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
1529 struct kvm_enc_region {
1534 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1535 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1537 /* Available with KVM_CAP_HYPERV_EVENTFD */
1538 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
1540 /* Available with KVM_CAP_NESTED_STATE */
1541 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1542 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state)
1544 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1545 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1547 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1548 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1550 /* Available with KVM_CAP_ARM_SVE */
1551 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int)
1553 /* Available with KVM_CAP_S390_VCPU_RESETS */
1554 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3)
1555 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4)
1557 struct kvm_s390_pv_sec_parm {
1562 struct kvm_s390_pv_unp {
1571 KVM_PV_SET_SEC_PARMS,
1579 __u32 cmd; /* Command to be executed */
1580 __u16 rc; /* Ultravisor return code */
1581 __u16 rrc; /* Ultravisor return reason code */
1582 __u64 data; /* Data or address */
1583 __u32 flags; /* flags for future extensions. Must be 0 for now */
1587 /* Available with KVM_CAP_S390_PROTECTED */
1588 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1590 /* Available with KVM_CAP_X86_MSR_FILTER */
1591 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter)
1593 /* Available with KVM_CAP_DIRTY_LOG_RING */
1594 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7)
1596 /* Per-VM Xen attributes */
1597 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1598 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr)
1600 struct kvm_xen_hvm_attr {
1613 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1614 #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0
1615 #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1
1616 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2
1618 /* Per-vCPU Xen attributes */
1619 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1620 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr)
1622 struct kvm_xen_vcpu_attr {
1630 __u64 state_entry_time;
1632 __u64 time_runnable;
1639 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1640 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0
1641 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1
1642 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2
1643 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
1644 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4
1645 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5
1647 /* Secure Encrypted Virtualization command */
1649 /* Guest initialization commands */
1652 /* Guest launch commands */
1653 KVM_SEV_LAUNCH_START,
1654 KVM_SEV_LAUNCH_UPDATE_DATA,
1655 KVM_SEV_LAUNCH_UPDATE_VMSA,
1656 KVM_SEV_LAUNCH_SECRET,
1657 KVM_SEV_LAUNCH_MEASURE,
1658 KVM_SEV_LAUNCH_FINISH,
1659 /* Guest migration commands (outgoing) */
1661 KVM_SEV_SEND_UPDATE_DATA,
1662 KVM_SEV_SEND_UPDATE_VMSA,
1663 KVM_SEV_SEND_FINISH,
1664 /* Guest migration commands (incoming) */
1665 KVM_SEV_RECEIVE_START,
1666 KVM_SEV_RECEIVE_UPDATE_DATA,
1667 KVM_SEV_RECEIVE_UPDATE_VMSA,
1668 KVM_SEV_RECEIVE_FINISH,
1669 /* Guest status and debug commands */
1670 KVM_SEV_GUEST_STATUS,
1671 KVM_SEV_DBG_DECRYPT,
1672 KVM_SEV_DBG_ENCRYPT,
1673 /* Guest certificates commands */
1674 KVM_SEV_CERT_EXPORT,
1675 /* Attestation report */
1676 KVM_SEV_GET_ATTESTATION_REPORT,
1677 /* Guest Migration Extension */
1678 KVM_SEV_SEND_CANCEL,
1683 struct kvm_sev_cmd {
1690 struct kvm_sev_launch_start {
1695 __u64 session_uaddr;
1699 struct kvm_sev_launch_update_data {
1705 struct kvm_sev_launch_secret {
1714 struct kvm_sev_launch_measure {
1719 struct kvm_sev_guest_status {
1725 struct kvm_sev_dbg {
1731 struct kvm_sev_attestation_report {
1737 struct kvm_sev_send_start {
1739 __u64 pdh_cert_uaddr;
1741 __u64 plat_certs_uaddr;
1742 __u32 plat_certs_len;
1743 __u64 amd_certs_uaddr;
1744 __u32 amd_certs_len;
1745 __u64 session_uaddr;
1749 struct kvm_sev_send_update_data {
1758 struct kvm_sev_receive_start {
1763 __u64 session_uaddr;
1767 struct kvm_sev_receive_update_data {
1776 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
1777 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
1778 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
1780 struct kvm_assigned_pci_dev {
1781 __u32 assigned_dev_id;
1791 #define KVM_DEV_IRQ_HOST_INTX (1 << 0)
1792 #define KVM_DEV_IRQ_HOST_MSI (1 << 1)
1793 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
1795 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
1796 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
1797 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
1799 #define KVM_DEV_IRQ_HOST_MASK 0x00ff
1800 #define KVM_DEV_IRQ_GUEST_MASK 0xff00
1802 struct kvm_assigned_irq {
1803 __u32 assigned_dev_id;
1804 __u32 host_irq; /* ignored (legacy field) */
1812 struct kvm_assigned_msix_nr {
1813 __u32 assigned_dev_id;
1818 #define KVM_MAX_MSIX_PER_DEV 256
1819 struct kvm_assigned_msix_entry {
1820 __u32 assigned_dev_id;
1822 __u16 entry; /* The index of entry in the MSI-X table */
1826 #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
1827 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
1829 /* Available with KVM_CAP_ARM_USER_IRQ */
1831 /* Bits for run->s.regs.device_irq_level */
1832 #define KVM_ARM_DEV_EL1_VTIMER (1 << 0)
1833 #define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
1834 #define KVM_ARM_DEV_PMU (1 << 2)
1836 struct kvm_hyperv_eventfd {
1843 #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
1844 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
1846 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
1847 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1)
1850 * Arch needs to define the macro after implementing the dirty ring
1851 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
1852 * starting page offset of the dirty ring structures.
1854 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET
1855 #define KVM_DIRTY_LOG_PAGE_OFFSET 0
1859 * KVM dirty GFN flags, defined as:
1861 * |---------------+---------------+--------------|
1862 * | bit 1 (reset) | bit 0 (dirty) | Status |
1863 * |---------------+---------------+--------------|
1864 * | 0 | 0 | Invalid GFN |
1865 * | 0 | 1 | Dirty GFN |
1866 * | 1 | X | GFN to reset |
1867 * |---------------+---------------+--------------|
1869 * Lifecycle of a dirty GFN goes like:
1871 * dirtied harvested reset
1872 * 00 -----------> 01 -------------> 1X -------+
1875 * +------------------------------------------+
1877 * The userspace program is only responsible for the 01->1X state
1878 * conversion after harvesting an entry. Also, it must not skip any
1879 * dirty bits, so that dirty bits are always harvested in sequence.
1881 #define KVM_DIRTY_GFN_F_DIRTY BIT(0)
1882 #define KVM_DIRTY_GFN_F_RESET BIT(1)
1883 #define KVM_DIRTY_GFN_F_MASK 0x3
1886 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
1887 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The
1888 * size of the gfn buffer is decided by the first argument when
1889 * enabling KVM_CAP_DIRTY_LOG_RING.
1891 struct kvm_dirty_gfn {
1897 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0)
1898 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1)
1900 #endif /* __LINUX_KVM_H */