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/const.h>
12 #include <linux/types.h>
13 #include <linux/compiler.h>
14 #include <linux/ioctl.h>
17 #define KVM_API_VERSION 12
19 /* *** Deprecated interfaces *** */
21 #define KVM_TRC_SHIFT 16
23 #define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT)
24 #define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1))
26 #define KVM_TRC_VMENTRY (KVM_TRC_ENTRYEXIT + 0x01)
27 #define KVM_TRC_VMEXIT (KVM_TRC_ENTRYEXIT + 0x02)
28 #define KVM_TRC_PAGE_FAULT (KVM_TRC_HANDLER + 0x01)
30 #define KVM_TRC_HEAD_SIZE 12
31 #define KVM_TRC_CYCLE_SIZE 8
32 #define KVM_TRC_EXTRA_MAX 7
34 #define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02)
35 #define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03)
36 #define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04)
37 #define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05)
38 #define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06)
39 #define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07)
40 #define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08)
41 #define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09)
42 #define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A)
43 #define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B)
44 #define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C)
45 #define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D)
46 #define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E)
47 #define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F)
48 #define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10)
49 #define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11)
50 #define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12)
51 #define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13)
52 #define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14)
53 #define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15)
54 #define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16)
55 #define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17)
56 #define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18)
57 #define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19)
59 struct kvm_user_trace_setup
{
64 #define __KVM_DEPRECATED_MAIN_W_0x06 \
65 _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
66 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
67 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
69 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
71 struct kvm_breakpoint
{
77 struct kvm_debug_guest
{
80 struct kvm_breakpoint breakpoints
[4];
84 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
86 /* *** End of deprecated interfaces *** */
89 /* for KVM_CREATE_MEMORY_REGION */
90 struct kvm_memory_region
{
93 __u64 guest_phys_addr
;
94 __u64 memory_size
; /* bytes */
97 /* for KVM_SET_USER_MEMORY_REGION */
98 struct kvm_userspace_memory_region
{
101 __u64 guest_phys_addr
;
102 __u64 memory_size
; /* bytes */
103 __u64 userspace_addr
; /* start of the userspace allocated memory */
107 * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
108 * other bits are reserved for kvm internal use which are defined in
109 * include/linux/kvm_host.h.
111 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
112 #define KVM_MEM_READONLY (1UL << 1)
114 /* for KVM_IRQ_LINE */
115 struct kvm_irq_level
{
117 * ACPI gsi notion of irq.
118 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
119 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
120 * For ARM: See Documentation/virt/kvm/api.rst
134 char dummy
[512]; /* reserving space */
135 #ifdef __KVM_HAVE_PIT
136 struct kvm_pic_state pic
;
138 #ifdef __KVM_HAVE_IOAPIC
139 struct kvm_ioapic_state ioapic
;
144 /* for KVM_CREATE_PIT2 */
145 struct kvm_pit_config
{
150 #define KVM_PIT_SPEAKER_DUMMY 1
152 struct kvm_s390_skeys
{
160 #define KVM_S390_CMMA_PEEK (1 << 0)
163 * kvm_s390_cmma_log - Used for CMMA migration.
165 * Used both for input and output.
167 * @start_gfn: Guest page number to start from.
168 * @count: Size of the result buffer.
169 * @flags: Control operation mode via KVM_S390_CMMA_* flags
170 * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
171 * pages are still remaining.
172 * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
174 * @values: Pointer to the values buffer.
176 * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
178 struct kvm_s390_cmma_log
{
189 struct kvm_hyperv_exit
{
190 #define KVM_EXIT_HYPERV_SYNIC 1
191 #define KVM_EXIT_HYPERV_HCALL 2
192 #define KVM_EXIT_HYPERV_SYNDBG 3
220 struct kvm_xen_exit
{
221 #define KVM_EXIT_XEN_HCALL 1
234 #define KVM_S390_GET_SKEYS_NONE 1
235 #define KVM_S390_SKEYS_MAX 1048576
237 #define KVM_EXIT_UNKNOWN 0
238 #define KVM_EXIT_EXCEPTION 1
239 #define KVM_EXIT_IO 2
240 #define KVM_EXIT_HYPERCALL 3
241 #define KVM_EXIT_DEBUG 4
242 #define KVM_EXIT_HLT 5
243 #define KVM_EXIT_MMIO 6
244 #define KVM_EXIT_IRQ_WINDOW_OPEN 7
245 #define KVM_EXIT_SHUTDOWN 8
246 #define KVM_EXIT_FAIL_ENTRY 9
247 #define KVM_EXIT_INTR 10
248 #define KVM_EXIT_SET_TPR 11
249 #define KVM_EXIT_TPR_ACCESS 12
250 #define KVM_EXIT_S390_SIEIC 13
251 #define KVM_EXIT_S390_RESET 14
252 #define KVM_EXIT_DCR 15 /* deprecated */
253 #define KVM_EXIT_NMI 16
254 #define KVM_EXIT_INTERNAL_ERROR 17
255 #define KVM_EXIT_OSI 18
256 #define KVM_EXIT_PAPR_HCALL 19
257 #define KVM_EXIT_S390_UCONTROL 20
258 #define KVM_EXIT_WATCHDOG 21
259 #define KVM_EXIT_S390_TSCH 22
260 #define KVM_EXIT_EPR 23
261 #define KVM_EXIT_SYSTEM_EVENT 24
262 #define KVM_EXIT_S390_STSI 25
263 #define KVM_EXIT_IOAPIC_EOI 26
264 #define KVM_EXIT_HYPERV 27
265 #define KVM_EXIT_ARM_NISV 28
266 #define KVM_EXIT_X86_RDMSR 29
267 #define KVM_EXIT_X86_WRMSR 30
268 #define KVM_EXIT_DIRTY_RING_FULL 31
269 #define KVM_EXIT_AP_RESET_HOLD 32
270 #define KVM_EXIT_X86_BUS_LOCK 33
271 #define KVM_EXIT_XEN 34
273 /* For KVM_EXIT_INTERNAL_ERROR */
274 /* Emulate instruction failed. */
275 #define KVM_INTERNAL_ERROR_EMULATION 1
276 /* Encounter unexpected simultaneous exceptions. */
277 #define KVM_INTERNAL_ERROR_SIMUL_EX 2
278 /* Encounter unexpected vm-exit due to delivery event. */
279 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3
280 /* Encounter unexpected vm-exit reason */
281 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4
283 /* Flags that describe what fields in emulation_failure hold valid data. */
284 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
286 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
289 __u8 request_interrupt_window
;
295 __u8 ready_for_interrupt_injection
;
299 /* in (pre_kvm_run), out (post_kvm_run) */
304 /* the processor status word for s390 */
305 __u64 psw_mask
; /* psw upper half */
306 __u64 psw_addr
; /* psw lower half */
309 /* KVM_EXIT_UNKNOWN */
311 __u64 hardware_exit_reason
;
313 /* KVM_EXIT_FAIL_ENTRY */
315 __u64 hardware_entry_failure_reason
;
318 /* KVM_EXIT_EXCEPTION */
325 #define KVM_EXIT_IO_IN 0
326 #define KVM_EXIT_IO_OUT 1
328 __u8 size
; /* bytes */
331 __u64 data_offset
; /* relative to kvm_run start */
335 struct kvm_debug_exit_arch arch
;
344 /* KVM_EXIT_HYPERCALL */
352 /* KVM_EXIT_TPR_ACCESS */
358 /* KVM_EXIT_S390_SIEIC */
364 /* KVM_EXIT_S390_RESET */
365 #define KVM_S390_RESET_POR 1
366 #define KVM_S390_RESET_CLEAR 2
367 #define KVM_S390_RESET_SUBSYSTEM 4
368 #define KVM_S390_RESET_CPU_INIT 8
369 #define KVM_S390_RESET_IPL 16
370 __u64 s390_reset_flags
;
371 /* KVM_EXIT_S390_UCONTROL */
373 __u64 trans_exc_code
;
376 /* KVM_EXIT_DCR (deprecated) */
382 /* KVM_EXIT_INTERNAL_ERROR */
385 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
390 * KVM_INTERNAL_ERROR_EMULATION
392 * "struct emulation_failure" is an overlay of "struct internal"
393 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
394 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error
395 * sub-types, this struct is ABI! It also needs to be backwards
396 * compatible with "struct internal". Take special care that
397 * "ndata" is correct, that new fields are enumerated in "flags",
398 * and that each flag enumerates fields that are 64-bit aligned
399 * and sized (so that ndata+internal.data[] is valid/accurate).
412 /* KVM_EXIT_PAPR_HCALL */
418 /* KVM_EXIT_S390_TSCH */
431 /* KVM_EXIT_SYSTEM_EVENT */
433 #define KVM_SYSTEM_EVENT_SHUTDOWN 1
434 #define KVM_SYSTEM_EVENT_RESET 2
435 #define KVM_SYSTEM_EVENT_CRASH 3
439 /* KVM_EXIT_S390_STSI */
448 /* KVM_EXIT_IOAPIC_EOI */
452 /* KVM_EXIT_HYPERV */
453 struct kvm_hyperv_exit hyperv
;
454 /* KVM_EXIT_ARM_NISV */
459 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
461 __u8 error
; /* user -> kernel */
463 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0)
464 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1)
465 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2)
466 __u32 reason
; /* kernel -> user */
467 __u32 index
; /* kernel -> user */
468 __u64 data
; /* kernel <-> user */
471 struct kvm_xen_exit xen
;
472 /* Fix the size of the union. */
476 /* 2048 is the size of the char array used to bound/pad the size
477 * of the union that holds sync regs.
479 #define SYNC_REGS_SIZE_BYTES 2048
481 * shared registers between kvm and userspace.
482 * kvm_valid_regs specifies the register classes set by the host
483 * kvm_dirty_regs specified the register classes dirtied by userspace
484 * struct kvm_sync_regs is architecture specific, as well as the
485 * bits for kvm_valid_regs and kvm_dirty_regs
487 __u64 kvm_valid_regs
;
488 __u64 kvm_dirty_regs
;
490 struct kvm_sync_regs regs
;
491 char padding
[SYNC_REGS_SIZE_BYTES
];
495 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
497 struct kvm_coalesced_mmio_zone
{
506 struct kvm_coalesced_mmio
{
516 struct kvm_coalesced_mmio_ring
{
518 struct kvm_coalesced_mmio coalesced_mmio
[0];
521 #define KVM_COALESCED_MMIO_MAX \
522 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
523 sizeof(struct kvm_coalesced_mmio))
525 /* for KVM_TRANSLATE */
526 struct kvm_translation
{
528 __u64 linear_address
;
531 __u64 physical_address
;
538 /* for KVM_S390_MEM_OP */
539 struct kvm_s390_mem_op
{
541 __u64 gaddr
; /* the guest address */
542 __u64 flags
; /* flags */
543 __u32 size
; /* amount of bytes */
544 __u32 op
; /* type of operation */
545 __u64 buf
; /* buffer in userspace */
548 __u8 ar
; /* the access register number */
549 __u8 key
; /* access key, ignored if flag unset */
551 __u32 sida_offset
; /* offset into the sida */
552 __u8 reserved
[32]; /* ignored */
555 /* types for kvm_s390_mem_op->op */
556 #define KVM_S390_MEMOP_LOGICAL_READ 0
557 #define KVM_S390_MEMOP_LOGICAL_WRITE 1
558 #define KVM_S390_MEMOP_SIDA_READ 2
559 #define KVM_S390_MEMOP_SIDA_WRITE 3
560 #define KVM_S390_MEMOP_ABSOLUTE_READ 4
561 #define KVM_S390_MEMOP_ABSOLUTE_WRITE 5
562 /* flags for kvm_s390_mem_op->flags */
563 #define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
564 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
565 #define KVM_S390_MEMOP_F_SKEY_PROTECTION (1ULL << 2)
567 /* for KVM_INTERRUPT */
568 struct kvm_interrupt
{
573 /* for KVM_GET_DIRTY_LOG */
574 struct kvm_dirty_log
{
578 void __user
*dirty_bitmap
; /* one bit per page */
583 /* for KVM_CLEAR_DIRTY_LOG */
584 struct kvm_clear_dirty_log
{
589 void __user
*dirty_bitmap
; /* one bit per page */
594 /* for KVM_SET_SIGNAL_MASK */
595 struct kvm_signal_mask
{
600 /* for KVM_TPR_ACCESS_REPORTING */
601 struct kvm_tpr_access_ctl
{
607 /* for KVM_SET_VAPIC_ADDR */
608 struct kvm_vapic_addr
{
612 /* for KVM_SET_MP_STATE */
614 /* not all states are valid on all architectures */
615 #define KVM_MP_STATE_RUNNABLE 0
616 #define KVM_MP_STATE_UNINITIALIZED 1
617 #define KVM_MP_STATE_INIT_RECEIVED 2
618 #define KVM_MP_STATE_HALTED 3
619 #define KVM_MP_STATE_SIPI_RECEIVED 4
620 #define KVM_MP_STATE_STOPPED 5
621 #define KVM_MP_STATE_CHECK_STOP 6
622 #define KVM_MP_STATE_OPERATING 7
623 #define KVM_MP_STATE_LOAD 8
624 #define KVM_MP_STATE_AP_RESET_HOLD 9
626 struct kvm_mp_state
{
630 struct kvm_s390_psw
{
635 /* valid values for type in kvm_s390_interrupt */
636 #define KVM_S390_SIGP_STOP 0xfffe0000u
637 #define KVM_S390_PROGRAM_INT 0xfffe0001u
638 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
639 #define KVM_S390_RESTART 0xfffe0003u
640 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
641 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
642 #define KVM_S390_MCHK 0xfffe1000u
643 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u
644 #define KVM_S390_INT_CPU_TIMER 0xffff1005u
645 #define KVM_S390_INT_VIRTIO 0xffff2603u
646 #define KVM_S390_INT_SERVICE 0xffff2401u
647 #define KVM_S390_INT_EMERGENCY 0xffff1201u
648 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
649 /* Anything below 0xfffe0000u is taken by INT_IO */
650 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
655 #define KVM_S390_INT_IO_MIN 0x00000000u
656 #define KVM_S390_INT_IO_MAX 0xfffdffffu
657 #define KVM_S390_INT_IO_AI_MASK 0x04000000u
660 struct kvm_s390_interrupt
{
666 struct kvm_s390_io_info
{
673 struct kvm_s390_ext_info
{
679 struct kvm_s390_pgm_info
{
680 __u64 trans_exc_code
;
691 #define KVM_S390_PGM_FLAGS_ILC_VALID 0x01
692 #define KVM_S390_PGM_FLAGS_ILC_0 0x02
693 #define KVM_S390_PGM_FLAGS_ILC_1 0x04
694 #define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
695 #define KVM_S390_PGM_FLAGS_NO_REWIND 0x08
700 struct kvm_s390_prefix_info
{
704 struct kvm_s390_extcall_info
{
708 struct kvm_s390_emerg_info
{
712 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
713 struct kvm_s390_stop_info
{
717 struct kvm_s390_mchk_info
{
720 __u64 failing_storage_address
;
721 __u32 ext_damage_code
;
723 __u8 fixed_logout
[16];
726 struct kvm_s390_irq
{
729 struct kvm_s390_io_info io
;
730 struct kvm_s390_ext_info ext
;
731 struct kvm_s390_pgm_info pgm
;
732 struct kvm_s390_emerg_info emerg
;
733 struct kvm_s390_extcall_info extcall
;
734 struct kvm_s390_prefix_info prefix
;
735 struct kvm_s390_stop_info stop
;
736 struct kvm_s390_mchk_info mchk
;
741 struct kvm_s390_irq_state
{
743 __u32 flags
; /* will stay unused for compatibility reasons */
745 __u32 reserved
[4]; /* will stay unused for compatibility reasons */
748 /* for KVM_SET_GUEST_DEBUG */
750 #define KVM_GUESTDBG_ENABLE 0x00000001
751 #define KVM_GUESTDBG_SINGLESTEP 0x00000002
753 struct kvm_guest_debug
{
756 struct kvm_guest_debug_arch arch
;
760 kvm_ioeventfd_flag_nr_datamatch
,
761 kvm_ioeventfd_flag_nr_pio
,
762 kvm_ioeventfd_flag_nr_deassign
,
763 kvm_ioeventfd_flag_nr_virtio_ccw_notify
,
764 kvm_ioeventfd_flag_nr_fast_mmio
,
765 kvm_ioeventfd_flag_nr_max
,
768 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
769 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
770 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
771 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
772 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
774 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
776 struct kvm_ioeventfd
{
778 __u64 addr
; /* legal pio/mmio address */
779 __u32 len
; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
785 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0)
786 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
787 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
788 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3)
789 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \
790 KVM_X86_DISABLE_EXITS_HLT | \
791 KVM_X86_DISABLE_EXITS_PAUSE | \
792 KVM_X86_DISABLE_EXITS_CSTATE)
794 /* for KVM_ENABLE_CAP */
795 struct kvm_enable_cap
{
803 /* for KVM_PPC_GET_PVINFO */
805 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
807 struct kvm_ppc_pvinfo
{
814 /* for KVM_PPC_GET_SMMU_INFO */
815 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8
817 struct kvm_ppc_one_page_size
{
818 __u32 page_shift
; /* Page shift (or 0) */
819 __u32 pte_enc
; /* Encoding in the HPTE (>>12) */
822 struct kvm_ppc_one_seg_page_size
{
823 __u32 page_shift
; /* Base page shift of segment (or 0) */
824 __u32 slb_enc
; /* SLB encoding for BookS */
825 struct kvm_ppc_one_page_size enc
[KVM_PPC_PAGE_SIZES_MAX_SZ
];
828 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001
829 #define KVM_PPC_1T_SEGMENTS 0x00000002
830 #define KVM_PPC_NO_HASH 0x00000004
832 struct kvm_ppc_smmu_info
{
835 __u16 data_keys
; /* # storage keys supported for data */
836 __u16 instr_keys
; /* # storage keys supported for instructions */
837 struct kvm_ppc_one_seg_page_size sps
[KVM_PPC_PAGE_SIZES_MAX_SZ
];
840 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
841 struct kvm_ppc_resize_hpt
{
849 /* machine type bits, to be used as argument to KVM_CREATE_VM */
850 #define KVM_VM_S390_UCONTROL 1
852 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
853 #define KVM_VM_PPC_HV 1
854 #define KVM_VM_PPC_PR 2
856 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
857 #define KVM_VM_MIPS_AUTO 0
858 #define KVM_VM_MIPS_VZ 1
859 #define KVM_VM_MIPS_TE 2
861 #define KVM_S390_SIE_PAGE_OFFSET 1
864 * On arm64, machine type can be used to request the physical
865 * address size for the VM. Bits[7-0] are reserved for the guest
866 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
867 * value 0 implies the default IPA size, 40bits.
869 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL
870 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \
871 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
873 * ioctls for /dev/kvm fds:
875 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
876 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
877 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
879 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
881 * Check if a kvm extension is available. Argument is extension number,
882 * return is 1 (yes) or 0 (no, sorry).
884 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
886 * Get size for mmap(vcpu_fd)
888 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
889 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
890 #define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06
891 #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
892 #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
893 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
894 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
897 * Extension capability list.
899 #define KVM_CAP_IRQCHIP 0
900 #define KVM_CAP_HLT 1
901 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
902 #define KVM_CAP_USER_MEMORY 3
903 #define KVM_CAP_SET_TSS_ADDR 4
904 #define KVM_CAP_VAPIC 6
905 #define KVM_CAP_EXT_CPUID 7
906 #define KVM_CAP_CLOCKSOURCE 8
907 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
908 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
909 #define KVM_CAP_PIT 11
910 #define KVM_CAP_NOP_IO_DELAY 12
911 #define KVM_CAP_PV_MMU 13
912 #define KVM_CAP_MP_STATE 14
913 #define KVM_CAP_COALESCED_MMIO 15
914 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
915 #define KVM_CAP_IOMMU 18
916 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
917 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
918 #define KVM_CAP_USER_NMI 22
919 #ifdef __KVM_HAVE_GUEST_DEBUG
920 #define KVM_CAP_SET_GUEST_DEBUG 23
922 #ifdef __KVM_HAVE_PIT
923 #define KVM_CAP_REINJECT_CONTROL 24
925 #define KVM_CAP_IRQ_ROUTING 25
926 #define KVM_CAP_IRQ_INJECT_STATUS 26
927 #define KVM_CAP_ASSIGN_DEV_IRQ 29
928 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
929 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
930 #ifdef __KVM_HAVE_MCE
931 #define KVM_CAP_MCE 31
933 #define KVM_CAP_IRQFD 32
934 #ifdef __KVM_HAVE_PIT
935 #define KVM_CAP_PIT2 33
937 #define KVM_CAP_SET_BOOT_CPU_ID 34
938 #ifdef __KVM_HAVE_PIT_STATE2
939 #define KVM_CAP_PIT_STATE2 35
941 #define KVM_CAP_IOEVENTFD 36
942 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
943 #ifdef __KVM_HAVE_XEN_HVM
944 #define KVM_CAP_XEN_HVM 38
946 #define KVM_CAP_ADJUST_CLOCK 39
947 #define KVM_CAP_INTERNAL_ERROR_DATA 40
948 #ifdef __KVM_HAVE_VCPU_EVENTS
949 #define KVM_CAP_VCPU_EVENTS 41
951 #define KVM_CAP_S390_PSW 42
952 #define KVM_CAP_PPC_SEGSTATE 43
953 #define KVM_CAP_HYPERV 44
954 #define KVM_CAP_HYPERV_VAPIC 45
955 #define KVM_CAP_HYPERV_SPIN 46
956 #define KVM_CAP_PCI_SEGMENT 47
957 #define KVM_CAP_PPC_PAIRED_SINGLES 48
958 #define KVM_CAP_INTR_SHADOW 49
959 #ifdef __KVM_HAVE_DEBUGREGS
960 #define KVM_CAP_DEBUGREGS 50
962 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
963 #define KVM_CAP_PPC_OSI 52
964 #define KVM_CAP_PPC_UNSET_IRQ 53
965 #define KVM_CAP_ENABLE_CAP 54
966 #ifdef __KVM_HAVE_XSAVE
967 #define KVM_CAP_XSAVE 55
969 #ifdef __KVM_HAVE_XCRS
970 #define KVM_CAP_XCRS 56
972 #define KVM_CAP_PPC_GET_PVINFO 57
973 #define KVM_CAP_PPC_IRQ_LEVEL 58
974 #define KVM_CAP_ASYNC_PF 59
975 #define KVM_CAP_TSC_CONTROL 60
976 #define KVM_CAP_GET_TSC_KHZ 61
977 #define KVM_CAP_PPC_BOOKE_SREGS 62
978 #define KVM_CAP_SPAPR_TCE 63
979 #define KVM_CAP_PPC_SMT 64
980 #define KVM_CAP_PPC_RMA 65
981 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
982 #define KVM_CAP_PPC_HIOR 67
983 #define KVM_CAP_PPC_PAPR 68
984 #define KVM_CAP_SW_TLB 69
985 #define KVM_CAP_ONE_REG 70
986 #define KVM_CAP_S390_GMAP 71
987 #define KVM_CAP_TSC_DEADLINE_TIMER 72
988 #define KVM_CAP_S390_UCONTROL 73
989 #define KVM_CAP_SYNC_REGS 74
990 #define KVM_CAP_PCI_2_3 75
991 #define KVM_CAP_KVMCLOCK_CTRL 76
992 #define KVM_CAP_SIGNAL_MSI 77
993 #define KVM_CAP_PPC_GET_SMMU_INFO 78
994 #define KVM_CAP_S390_COW 79
995 #define KVM_CAP_PPC_ALLOC_HTAB 80
996 #define KVM_CAP_READONLY_MEM 81
997 #define KVM_CAP_IRQFD_RESAMPLE 82
998 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
999 #define KVM_CAP_PPC_HTAB_FD 84
1000 #define KVM_CAP_S390_CSS_SUPPORT 85
1001 #define KVM_CAP_PPC_EPR 86
1002 #define KVM_CAP_ARM_PSCI 87
1003 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
1004 #define KVM_CAP_DEVICE_CTRL 89
1005 #define KVM_CAP_IRQ_MPIC 90
1006 #define KVM_CAP_PPC_RTAS 91
1007 #define KVM_CAP_IRQ_XICS 92
1008 #define KVM_CAP_ARM_EL1_32BIT 93
1009 #define KVM_CAP_SPAPR_MULTITCE 94
1010 #define KVM_CAP_EXT_EMUL_CPUID 95
1011 #define KVM_CAP_HYPERV_TIME 96
1012 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
1013 #define KVM_CAP_ENABLE_CAP_VM 98
1014 #define KVM_CAP_S390_IRQCHIP 99
1015 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
1016 #define KVM_CAP_VM_ATTRIBUTES 101
1017 #define KVM_CAP_ARM_PSCI_0_2 102
1018 #define KVM_CAP_PPC_FIXUP_HCALL 103
1019 #define KVM_CAP_PPC_ENABLE_HCALL 104
1020 #define KVM_CAP_CHECK_EXTENSION_VM 105
1021 #define KVM_CAP_S390_USER_SIGP 106
1022 #define KVM_CAP_S390_VECTOR_REGISTERS 107
1023 #define KVM_CAP_S390_MEM_OP 108
1024 #define KVM_CAP_S390_USER_STSI 109
1025 #define KVM_CAP_S390_SKEYS 110
1026 #define KVM_CAP_MIPS_FPU 111
1027 #define KVM_CAP_MIPS_MSA 112
1028 #define KVM_CAP_S390_INJECT_IRQ 113
1029 #define KVM_CAP_S390_IRQ_STATE 114
1030 #define KVM_CAP_PPC_HWRNG 115
1031 #define KVM_CAP_DISABLE_QUIRKS 116
1032 #define KVM_CAP_X86_SMM 117
1033 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
1034 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
1035 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
1036 #define KVM_CAP_SPLIT_IRQCHIP 121
1037 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
1038 #define KVM_CAP_HYPERV_SYNIC 123
1039 #define KVM_CAP_S390_RI 124
1040 #define KVM_CAP_SPAPR_TCE_64 125
1041 #define KVM_CAP_ARM_PMU_V3 126
1042 #define KVM_CAP_VCPU_ATTRIBUTES 127
1043 #define KVM_CAP_MAX_VCPU_ID 128
1044 #define KVM_CAP_X2APIC_API 129
1045 #define KVM_CAP_S390_USER_INSTR0 130
1046 #define KVM_CAP_MSI_DEVID 131
1047 #define KVM_CAP_PPC_HTM 132
1048 #define KVM_CAP_SPAPR_RESIZE_HPT 133
1049 #define KVM_CAP_PPC_MMU_RADIX 134
1050 #define KVM_CAP_PPC_MMU_HASH_V3 135
1051 #define KVM_CAP_IMMEDIATE_EXIT 136
1052 #define KVM_CAP_MIPS_VZ 137
1053 #define KVM_CAP_MIPS_TE 138
1054 #define KVM_CAP_MIPS_64BIT 139
1055 #define KVM_CAP_S390_GS 140
1056 #define KVM_CAP_S390_AIS 141
1057 #define KVM_CAP_SPAPR_TCE_VFIO 142
1058 #define KVM_CAP_X86_DISABLE_EXITS 143
1059 #define KVM_CAP_ARM_USER_IRQ 144
1060 #define KVM_CAP_S390_CMMA_MIGRATION 145
1061 #define KVM_CAP_PPC_FWNMI 146
1062 #define KVM_CAP_PPC_SMT_POSSIBLE 147
1063 #define KVM_CAP_HYPERV_SYNIC2 148
1064 #define KVM_CAP_HYPERV_VP_INDEX 149
1065 #define KVM_CAP_S390_AIS_MIGRATION 150
1066 #define KVM_CAP_PPC_GET_CPU_CHAR 151
1067 #define KVM_CAP_S390_BPB 152
1068 #define KVM_CAP_GET_MSR_FEATURES 153
1069 #define KVM_CAP_HYPERV_EVENTFD 154
1070 #define KVM_CAP_HYPERV_TLBFLUSH 155
1071 #define KVM_CAP_S390_HPAGE_1M 156
1072 #define KVM_CAP_NESTED_STATE 157
1073 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1074 #define KVM_CAP_MSR_PLATFORM_INFO 159
1075 #define KVM_CAP_PPC_NESTED_HV 160
1076 #define KVM_CAP_HYPERV_SEND_IPI 161
1077 #define KVM_CAP_COALESCED_PIO 162
1078 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1079 #define KVM_CAP_EXCEPTION_PAYLOAD 164
1080 #define KVM_CAP_ARM_VM_IPA_SIZE 165
1081 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1082 #define KVM_CAP_HYPERV_CPUID 167
1083 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1084 #define KVM_CAP_PPC_IRQ_XIVE 169
1085 #define KVM_CAP_ARM_SVE 170
1086 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1087 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1088 #define KVM_CAP_PMU_EVENT_FILTER 173
1089 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1090 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1091 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1092 #define KVM_CAP_ARM_NISV_TO_USER 177
1093 #define KVM_CAP_ARM_INJECT_EXT_DABT 178
1094 #define KVM_CAP_S390_VCPU_RESETS 179
1095 #define KVM_CAP_S390_PROTECTED 180
1096 #define KVM_CAP_PPC_SECURE_GUEST 181
1097 #define KVM_CAP_HALT_POLL 182
1098 #define KVM_CAP_ASYNC_PF_INT 183
1099 #define KVM_CAP_LAST_CPU 184
1100 #define KVM_CAP_SMALLER_MAXPHYADDR 185
1101 #define KVM_CAP_S390_DIAG318 186
1102 #define KVM_CAP_STEAL_TIME 187
1103 #define KVM_CAP_X86_USER_SPACE_MSR 188
1104 #define KVM_CAP_X86_MSR_FILTER 189
1105 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1106 #define KVM_CAP_SYS_HYPERV_CPUID 191
1107 #define KVM_CAP_DIRTY_LOG_RING 192
1108 #define KVM_CAP_X86_BUS_LOCK_EXIT 193
1109 #define KVM_CAP_PPC_DAWR1 194
1110 #define KVM_CAP_SET_GUEST_DEBUG2 195
1111 #define KVM_CAP_SGX_ATTRIBUTE 196
1112 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
1113 #define KVM_CAP_PTP_KVM 198
1114 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199
1115 #define KVM_CAP_SREGS2 200
1116 #define KVM_CAP_EXIT_HYPERCALL 201
1117 #define KVM_CAP_PPC_RPT_INVALIDATE 202
1118 #define KVM_CAP_BINARY_STATS_FD 203
1119 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
1120 #define KVM_CAP_ARM_MTE 205
1121 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
1122 #define KVM_CAP_VM_GPA_BITS 207
1123 #define KVM_CAP_XSAVE2 208
1124 #define KVM_CAP_SYS_ATTRIBUTES 209
1125 #define KVM_CAP_S390_MEM_OP_EXTENSION 211
1127 #ifdef KVM_CAP_IRQ_ROUTING
1129 struct kvm_irq_routing_irqchip
{
1134 struct kvm_irq_routing_msi
{
1144 struct kvm_irq_routing_s390_adapter
{
1148 __u32 summary_offset
;
1152 struct kvm_irq_routing_hv_sint
{
1157 /* gsi routing entry types */
1158 #define KVM_IRQ_ROUTING_IRQCHIP 1
1159 #define KVM_IRQ_ROUTING_MSI 2
1160 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
1161 #define KVM_IRQ_ROUTING_HV_SINT 4
1163 struct kvm_irq_routing_entry
{
1169 struct kvm_irq_routing_irqchip irqchip
;
1170 struct kvm_irq_routing_msi msi
;
1171 struct kvm_irq_routing_s390_adapter adapter
;
1172 struct kvm_irq_routing_hv_sint hv_sint
;
1177 struct kvm_irq_routing
{
1180 struct kvm_irq_routing_entry entries
[0];
1187 struct kvm_x86_mce
{
1198 #ifdef KVM_CAP_XEN_HVM
1199 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0)
1200 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1)
1201 #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2)
1202 #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3)
1204 struct kvm_xen_hvm_config
{
1215 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1217 * Available with KVM_CAP_IRQFD_RESAMPLE
1219 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1220 * the irqfd to operate in resampling mode for level triggered interrupt
1221 * emulation. See Documentation/virt/kvm/api.rst.
1223 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1233 /* For KVM_CAP_ADJUST_CLOCK */
1235 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */
1236 #define KVM_CLOCK_TSC_STABLE 2
1238 struct kvm_clock_data
{
1244 /* For KVM_CAP_SW_TLB */
1246 #define KVM_MMU_FSL_BOOKE_NOHV 0
1247 #define KVM_MMU_FSL_BOOKE_HV 1
1249 struct kvm_config_tlb
{
1256 struct kvm_dirty_tlb
{
1261 /* Available with KVM_CAP_ONE_REG */
1263 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL
1264 #define KVM_REG_GENERIC 0x0000000000000000ULL
1267 * Architecture specific registers are to be defined in arch headers and
1268 * ORed with the arch identifier.
1270 #define KVM_REG_PPC 0x1000000000000000ULL
1271 #define KVM_REG_X86 0x2000000000000000ULL
1272 #define KVM_REG_IA64 0x3000000000000000ULL
1273 #define KVM_REG_ARM 0x4000000000000000ULL
1274 #define KVM_REG_S390 0x5000000000000000ULL
1275 #define KVM_REG_ARM64 0x6000000000000000ULL
1276 #define KVM_REG_MIPS 0x7000000000000000ULL
1277 #define KVM_REG_RISCV 0x8000000000000000ULL
1279 #define KVM_REG_SIZE_SHIFT 52
1280 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
1281 #define KVM_REG_SIZE_U8 0x0000000000000000ULL
1282 #define KVM_REG_SIZE_U16 0x0010000000000000ULL
1283 #define KVM_REG_SIZE_U32 0x0020000000000000ULL
1284 #define KVM_REG_SIZE_U64 0x0030000000000000ULL
1285 #define KVM_REG_SIZE_U128 0x0040000000000000ULL
1286 #define KVM_REG_SIZE_U256 0x0050000000000000ULL
1287 #define KVM_REG_SIZE_U512 0x0060000000000000ULL
1288 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL
1289 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL
1291 struct kvm_reg_list
{
1292 __u64 n
; /* number of regs */
1296 struct kvm_one_reg
{
1301 #define KVM_MSI_VALID_DEVID (1U << 0)
1311 struct kvm_arm_device_addr
{
1317 * Device control API, available with KVM_CAP_DEVICE_CTRL
1319 #define KVM_CREATE_DEVICE_TEST 1
1321 struct kvm_create_device
{
1322 __u32 type
; /* in: KVM_DEV_TYPE_xxx */
1323 __u32 fd
; /* out: device handle */
1324 __u32 flags
; /* in: KVM_CREATE_DEVICE_xxx */
1327 struct kvm_device_attr
{
1328 __u32 flags
; /* no flags currently defined */
1329 __u32 group
; /* device-defined */
1330 __u64 attr
; /* group-defined */
1331 __u64 addr
; /* userspace address of attr data */
1334 #define KVM_DEV_VFIO_GROUP 1
1335 #define KVM_DEV_VFIO_GROUP_ADD 1
1336 #define KVM_DEV_VFIO_GROUP_DEL 2
1337 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
1339 enum kvm_device_type
{
1340 KVM_DEV_TYPE_FSL_MPIC_20
= 1,
1341 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1342 KVM_DEV_TYPE_FSL_MPIC_42
,
1343 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1345 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1347 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1348 KVM_DEV_TYPE_ARM_VGIC_V2
,
1349 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1351 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1352 KVM_DEV_TYPE_ARM_VGIC_V3
,
1353 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1354 KVM_DEV_TYPE_ARM_VGIC_ITS
,
1355 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
1357 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE
1358 KVM_DEV_TYPE_ARM_PV_TIME
,
1359 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME
1363 struct kvm_vfio_spapr_tce
{
1371 #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
1373 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1376 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1377 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1378 /* KVM_SET_MEMORY_ALIAS is obsolete: */
1379 #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
1380 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1381 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
1382 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1383 struct kvm_userspace_memory_region)
1384 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1385 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1387 /* enable ucontrol for s390 */
1388 struct kvm_s390_ucas_mapping
{
1393 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1394 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1395 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1397 /* Device model IOC */
1398 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1399 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1400 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1401 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1402 #define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1403 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1404 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1405 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1406 #define KVM_REGISTER_COALESCED_MMIO \
1407 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1408 #define KVM_UNREGISTER_COALESCED_MMIO \
1409 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1410 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
1411 struct kvm_assigned_pci_dev)
1412 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1413 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1414 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
1415 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
1416 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1417 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
1418 struct kvm_assigned_pci_dev)
1419 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
1420 struct kvm_assigned_msix_nr)
1421 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
1422 struct kvm_assigned_msix_entry)
1423 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
1424 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1425 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1426 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1427 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1428 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1429 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1430 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1431 /* Available with KVM_CAP_PIT_STATE2 */
1432 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1433 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1434 /* Available with KVM_CAP_PPC_GET_PVINFO */
1435 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1436 /* Available with KVM_CAP_TSC_CONTROL */
1437 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1438 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1439 /* Available with KVM_CAP_PCI_2_3 */
1440 #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
1441 struct kvm_assigned_pci_dev)
1442 /* Available with KVM_CAP_SIGNAL_MSI */
1443 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1444 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1445 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1446 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1447 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1448 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1449 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
1450 struct kvm_create_spapr_tce_64)
1451 /* Available with KVM_CAP_RMA */
1452 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1453 /* Available with KVM_CAP_PPC_HTAB_FD */
1454 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1455 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1456 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1457 /* Available with KVM_CAP_PPC_RTAS */
1458 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1459 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1460 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1461 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1462 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1463 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
1464 /* Available with KVM_CAP_PPC_RADIX_MMU */
1465 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
1466 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1467 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char)
1468 /* Available with KVM_CAP_PMU_EVENT_FILTER */
1469 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
1470 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
1471 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags)
1473 /* ioctl for vm fd */
1474 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1476 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1477 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1478 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1479 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1482 * ioctls for vcpu fds
1484 #define KVM_RUN _IO(KVMIO, 0x80)
1485 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1486 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1487 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1488 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1489 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1490 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1491 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1492 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
1493 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1494 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1495 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1496 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1497 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1498 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1499 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1500 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1501 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1502 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1503 /* Available with KVM_CAP_VAPIC */
1504 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1505 /* Available with KVM_CAP_VAPIC */
1506 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1507 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1508 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1509 /* store status for s390 */
1510 #define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1511 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1512 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1513 /* initial ipl psw for s390 */
1514 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1515 /* initial reset for s390 */
1516 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1517 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1518 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1519 /* Available with KVM_CAP_USER_NMI */
1520 #define KVM_NMI _IO(KVMIO, 0x9a)
1521 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1522 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1524 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1525 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1526 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1527 /* Available with KVM_CAP_VCPU_EVENTS */
1528 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1529 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1530 /* Available with KVM_CAP_DEBUGREGS */
1531 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1532 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1534 * vcpu version available with KVM_ENABLE_CAP
1535 * vm version available with KVM_CAP_ENABLE_CAP_VM
1537 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1538 /* Available with KVM_CAP_XSAVE */
1539 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1540 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1541 /* Available with KVM_CAP_XCRS */
1542 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1543 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1544 /* Available with KVM_CAP_SW_TLB */
1545 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1546 /* Available with KVM_CAP_ONE_REG */
1547 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1548 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1549 /* VM is being stopped by host */
1550 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1551 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1552 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1553 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1554 /* Available with KVM_CAP_S390_MEM_OP */
1555 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1556 /* Available with KVM_CAP_S390_SKEYS */
1557 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1558 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1559 /* Available with KVM_CAP_S390_INJECT_IRQ */
1560 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1561 /* Available with KVM_CAP_S390_IRQ_STATE */
1562 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1563 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1564 /* Available with KVM_CAP_X86_SMM */
1565 #define KVM_SMI _IO(KVMIO, 0xb7)
1566 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1567 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1568 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1569 /* Memory Encryption Commands */
1570 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
1572 struct kvm_enc_region
{
1577 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1578 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1580 /* Available with KVM_CAP_HYPERV_EVENTFD */
1581 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
1583 /* Available with KVM_CAP_NESTED_STATE */
1584 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1585 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state)
1587 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1588 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1590 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1591 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1593 /* Available with KVM_CAP_ARM_SVE */
1594 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int)
1596 /* Available with KVM_CAP_S390_VCPU_RESETS */
1597 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3)
1598 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4)
1600 struct kvm_s390_pv_sec_parm
{
1605 struct kvm_s390_pv_unp
{
1614 KVM_PV_SET_SEC_PARMS
,
1622 __u32 cmd
; /* Command to be executed */
1623 __u16 rc
; /* Ultravisor return code */
1624 __u16 rrc
; /* Ultravisor return reason code */
1625 __u64 data
; /* Data or address */
1626 __u32 flags
; /* flags for future extensions. Must be 0 for now */
1630 /* Available with KVM_CAP_S390_PROTECTED */
1631 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1633 /* Available with KVM_CAP_X86_MSR_FILTER */
1634 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter)
1636 /* Available with KVM_CAP_DIRTY_LOG_RING */
1637 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7)
1639 /* Per-VM Xen attributes */
1640 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1641 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr)
1643 struct kvm_xen_hvm_attr
{
1656 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1657 #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0
1658 #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1
1659 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2
1661 /* Per-vCPU Xen attributes */
1662 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1663 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr)
1665 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2)
1666 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2)
1668 struct kvm_xen_vcpu_attr
{
1676 __u64 state_entry_time
;
1678 __u64 time_runnable
;
1685 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1686 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0
1687 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1
1688 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2
1689 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
1690 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4
1691 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5
1693 /* Secure Encrypted Virtualization command */
1695 /* Guest initialization commands */
1698 /* Guest launch commands */
1699 KVM_SEV_LAUNCH_START
,
1700 KVM_SEV_LAUNCH_UPDATE_DATA
,
1701 KVM_SEV_LAUNCH_UPDATE_VMSA
,
1702 KVM_SEV_LAUNCH_SECRET
,
1703 KVM_SEV_LAUNCH_MEASURE
,
1704 KVM_SEV_LAUNCH_FINISH
,
1705 /* Guest migration commands (outgoing) */
1707 KVM_SEV_SEND_UPDATE_DATA
,
1708 KVM_SEV_SEND_UPDATE_VMSA
,
1709 KVM_SEV_SEND_FINISH
,
1710 /* Guest migration commands (incoming) */
1711 KVM_SEV_RECEIVE_START
,
1712 KVM_SEV_RECEIVE_UPDATE_DATA
,
1713 KVM_SEV_RECEIVE_UPDATE_VMSA
,
1714 KVM_SEV_RECEIVE_FINISH
,
1715 /* Guest status and debug commands */
1716 KVM_SEV_GUEST_STATUS
,
1717 KVM_SEV_DBG_DECRYPT
,
1718 KVM_SEV_DBG_ENCRYPT
,
1719 /* Guest certificates commands */
1720 KVM_SEV_CERT_EXPORT
,
1721 /* Attestation report */
1722 KVM_SEV_GET_ATTESTATION_REPORT
,
1723 /* Guest Migration Extension */
1724 KVM_SEV_SEND_CANCEL
,
1729 struct kvm_sev_cmd
{
1736 struct kvm_sev_launch_start
{
1741 __u64 session_uaddr
;
1745 struct kvm_sev_launch_update_data
{
1751 struct kvm_sev_launch_secret
{
1760 struct kvm_sev_launch_measure
{
1765 struct kvm_sev_guest_status
{
1771 struct kvm_sev_dbg
{
1777 struct kvm_sev_attestation_report
{
1783 struct kvm_sev_send_start
{
1785 __u64 pdh_cert_uaddr
;
1787 __u64 plat_certs_uaddr
;
1788 __u32 plat_certs_len
;
1789 __u64 amd_certs_uaddr
;
1790 __u32 amd_certs_len
;
1791 __u64 session_uaddr
;
1795 struct kvm_sev_send_update_data
{
1804 struct kvm_sev_receive_start
{
1809 __u64 session_uaddr
;
1813 struct kvm_sev_receive_update_data
{
1822 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
1823 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
1824 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
1826 struct kvm_assigned_pci_dev
{
1827 __u32 assigned_dev_id
;
1837 #define KVM_DEV_IRQ_HOST_INTX (1 << 0)
1838 #define KVM_DEV_IRQ_HOST_MSI (1 << 1)
1839 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
1841 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
1842 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
1843 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
1845 #define KVM_DEV_IRQ_HOST_MASK 0x00ff
1846 #define KVM_DEV_IRQ_GUEST_MASK 0xff00
1848 struct kvm_assigned_irq
{
1849 __u32 assigned_dev_id
;
1850 __u32 host_irq
; /* ignored (legacy field) */
1858 struct kvm_assigned_msix_nr
{
1859 __u32 assigned_dev_id
;
1864 #define KVM_MAX_MSIX_PER_DEV 256
1865 struct kvm_assigned_msix_entry
{
1866 __u32 assigned_dev_id
;
1868 __u16 entry
; /* The index of entry in the MSI-X table */
1872 #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
1873 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
1875 /* Available with KVM_CAP_ARM_USER_IRQ */
1877 /* Bits for run->s.regs.device_irq_level */
1878 #define KVM_ARM_DEV_EL1_VTIMER (1 << 0)
1879 #define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
1880 #define KVM_ARM_DEV_PMU (1 << 2)
1882 struct kvm_hyperv_eventfd
{
1889 #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
1890 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
1892 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
1893 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1)
1896 * Arch needs to define the macro after implementing the dirty ring
1897 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
1898 * starting page offset of the dirty ring structures.
1900 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET
1901 #define KVM_DIRTY_LOG_PAGE_OFFSET 0
1905 * KVM dirty GFN flags, defined as:
1907 * |---------------+---------------+--------------|
1908 * | bit 1 (reset) | bit 0 (dirty) | Status |
1909 * |---------------+---------------+--------------|
1910 * | 0 | 0 | Invalid GFN |
1911 * | 0 | 1 | Dirty GFN |
1912 * | 1 | X | GFN to reset |
1913 * |---------------+---------------+--------------|
1915 * Lifecycle of a dirty GFN goes like:
1917 * dirtied harvested reset
1918 * 00 -----------> 01 -------------> 1X -------+
1921 * +------------------------------------------+
1923 * The userspace program is only responsible for the 01->1X state
1924 * conversion after harvesting an entry. Also, it must not skip any
1925 * dirty bits, so that dirty bits are always harvested in sequence.
1927 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0)
1928 #define KVM_DIRTY_GFN_F_RESET _BITUL(1)
1929 #define KVM_DIRTY_GFN_F_MASK 0x3
1932 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
1933 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The
1934 * size of the gfn buffer is decided by the first argument when
1935 * enabling KVM_CAP_DIRTY_LOG_RING.
1937 struct kvm_dirty_gfn
{
1943 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0)
1944 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1)
1947 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
1948 * @flags: Some extra information for header, always 0 for now.
1949 * @name_size: The size in bytes of the memory which contains statistics
1950 * name string including trailing '\0'. The memory is allocated
1951 * at the send of statistics descriptor.
1952 * @num_desc: The number of statistics the vm or vcpu has.
1953 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
1954 * by vm/vcpu stats fd.
1955 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
1956 * pointd by vm/vcpu stats fd.
1957 * @data_offset: The offset of the vm/vcpu stats' data block in the file
1958 * pointed by vm/vcpu stats fd.
1960 * This is the header userspace needs to read from stats fd before any other
1961 * readings. It is used by userspace to discover all the information about the
1962 * vm/vcpu's binary statistics.
1963 * Userspace reads this header from the start of the vm/vcpu's stats fd.
1965 struct kvm_stats_header
{
1974 #define KVM_STATS_TYPE_SHIFT 0
1975 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT)
1976 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT)
1977 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT)
1978 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT)
1979 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT)
1980 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT)
1981 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST
1983 #define KVM_STATS_UNIT_SHIFT 4
1984 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT)
1985 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT)
1986 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT)
1987 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT)
1988 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT)
1989 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_CYCLES
1991 #define KVM_STATS_BASE_SHIFT 8
1992 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT)
1993 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT)
1994 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT)
1995 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2
1998 * struct kvm_stats_desc - Descriptor of a KVM statistics.
1999 * @flags: Annotations of the stats, like type, unit, etc.
2000 * @exponent: Used together with @flags to determine the unit.
2001 * @size: The number of data items for this stats.
2002 * Every data item is of type __u64.
2003 * @offset: The offset of the stats to the start of stat structure in
2004 * structure kvm or kvm_vcpu.
2005 * @bucket_size: A parameter value used for histogram stats. It is only used
2006 * for linear histogram stats, specifying the size of the bucket;
2007 * @name: The name string for the stats. Its size is indicated by the
2008 * &kvm_stats_header->name_size.
2010 struct kvm_stats_desc
{
2019 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce)
2021 #endif /* __LINUX_KVM_H */