5 * Userspace interface for /dev/kvm - kernel based virtual machine
7 * Note: you must update KVM_API_VERSION if you change this interface.
10 #include <linux/types.h>
12 #include <linux/ioctl.h>
15 #define KVM_API_VERSION 12
17 /* *** Deprecated interfaces *** */
19 #define KVM_TRC_SHIFT 16
21 #define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT)
22 #define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1))
24 #define KVM_TRC_VMENTRY (KVM_TRC_ENTRYEXIT + 0x01)
25 #define KVM_TRC_VMEXIT (KVM_TRC_ENTRYEXIT + 0x02)
26 #define KVM_TRC_PAGE_FAULT (KVM_TRC_HANDLER + 0x01)
28 #define KVM_TRC_HEAD_SIZE 12
29 #define KVM_TRC_CYCLE_SIZE 8
30 #define KVM_TRC_EXTRA_MAX 7
32 #define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02)
33 #define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03)
34 #define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04)
35 #define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05)
36 #define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06)
37 #define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07)
38 #define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08)
39 #define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09)
40 #define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A)
41 #define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B)
42 #define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C)
43 #define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D)
44 #define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E)
45 #define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F)
46 #define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10)
47 #define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11)
48 #define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12)
49 #define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13)
50 #define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14)
51 #define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15)
52 #define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16)
53 #define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17)
54 #define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18)
55 #define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19)
57 struct kvm_user_trace_setup
{
62 #define __KVM_DEPRECATED_MAIN_W_0x06 \
63 _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
64 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
65 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
67 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
69 struct kvm_breakpoint
{
75 struct kvm_debug_guest
{
78 struct kvm_breakpoint breakpoints
[4];
82 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
84 /* *** End of deprecated interfaces *** */
87 /* for KVM_CREATE_MEMORY_REGION */
88 struct kvm_memory_region
{
91 __u64 guest_phys_addr
;
92 __u64 memory_size
; /* bytes */
95 /* for KVM_SET_USER_MEMORY_REGION */
96 struct kvm_userspace_memory_region
{
99 __u64 guest_phys_addr
;
100 __u64 memory_size
; /* bytes */
101 __u64 userspace_addr
; /* start of the userspace allocated memory */
105 * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
106 * other bits are reserved for kvm internal use which are defined in
107 * include/linux/kvm_host.h.
109 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
110 #define KVM_MEM_READONLY (1UL << 1)
112 /* for KVM_IRQ_LINE */
113 struct kvm_irq_level
{
115 * ACPI gsi notion of irq.
116 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
117 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
118 * For ARM: See Documentation/virtual/kvm/api.txt
132 char dummy
[512]; /* reserving space */
133 #ifdef __KVM_HAVE_PIT
134 struct kvm_pic_state pic
;
136 #ifdef __KVM_HAVE_IOAPIC
137 struct kvm_ioapic_state ioapic
;
142 /* for KVM_CREATE_PIT2 */
143 struct kvm_pit_config
{
148 #define KVM_PIT_SPEAKER_DUMMY 1
150 #define KVM_EXIT_UNKNOWN 0
151 #define KVM_EXIT_EXCEPTION 1
152 #define KVM_EXIT_IO 2
153 #define KVM_EXIT_HYPERCALL 3
154 #define KVM_EXIT_DEBUG 4
155 #define KVM_EXIT_HLT 5
156 #define KVM_EXIT_MMIO 6
157 #define KVM_EXIT_IRQ_WINDOW_OPEN 7
158 #define KVM_EXIT_SHUTDOWN 8
159 #define KVM_EXIT_FAIL_ENTRY 9
160 #define KVM_EXIT_INTR 10
161 #define KVM_EXIT_SET_TPR 11
162 #define KVM_EXIT_TPR_ACCESS 12
163 #define KVM_EXIT_S390_SIEIC 13
164 #define KVM_EXIT_S390_RESET 14
165 #define KVM_EXIT_DCR 15
166 #define KVM_EXIT_NMI 16
167 #define KVM_EXIT_INTERNAL_ERROR 17
168 #define KVM_EXIT_OSI 18
169 #define KVM_EXIT_PAPR_HCALL 19
170 #define KVM_EXIT_S390_UCONTROL 20
171 #define KVM_EXIT_WATCHDOG 21
172 #define KVM_EXIT_S390_TSCH 22
173 #define KVM_EXIT_EPR 23
174 #define KVM_EXIT_SYSTEM_EVENT 24
176 /* For KVM_EXIT_INTERNAL_ERROR */
177 /* Emulate instruction failed. */
178 #define KVM_INTERNAL_ERROR_EMULATION 1
179 /* Encounter unexpected simultaneous exceptions. */
180 #define KVM_INTERNAL_ERROR_SIMUL_EX 2
181 /* Encounter unexpected vm-exit due to delivery event. */
182 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3
184 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
187 __u8 request_interrupt_window
;
192 __u8 ready_for_interrupt_injection
;
196 /* in (pre_kvm_run), out (post_kvm_run) */
201 /* the processor status word for s390 */
202 __u64 psw_mask
; /* psw upper half */
203 __u64 psw_addr
; /* psw lower half */
206 /* KVM_EXIT_UNKNOWN */
208 __u64 hardware_exit_reason
;
210 /* KVM_EXIT_FAIL_ENTRY */
212 __u64 hardware_entry_failure_reason
;
214 /* KVM_EXIT_EXCEPTION */
221 #define KVM_EXIT_IO_IN 0
222 #define KVM_EXIT_IO_OUT 1
224 __u8 size
; /* bytes */
227 __u64 data_offset
; /* relative to kvm_run start */
230 struct kvm_debug_exit_arch arch
;
239 /* KVM_EXIT_HYPERCALL */
247 /* KVM_EXIT_TPR_ACCESS */
253 /* KVM_EXIT_S390_SIEIC */
259 /* KVM_EXIT_S390_RESET */
260 #define KVM_S390_RESET_POR 1
261 #define KVM_S390_RESET_CLEAR 2
262 #define KVM_S390_RESET_SUBSYSTEM 4
263 #define KVM_S390_RESET_CPU_INIT 8
264 #define KVM_S390_RESET_IPL 16
265 __u64 s390_reset_flags
;
266 /* KVM_EXIT_S390_UCONTROL */
268 __u64 trans_exc_code
;
279 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
292 /* KVM_EXIT_S390_TSCH */
305 /* KVM_EXIT_SYSTEM_EVENT */
307 #define KVM_SYSTEM_EVENT_SHUTDOWN 1
308 #define KVM_SYSTEM_EVENT_RESET 2
312 /* Fix the size of the union. */
317 * shared registers between kvm and userspace.
318 * kvm_valid_regs specifies the register classes set by the host
319 * kvm_dirty_regs specified the register classes dirtied by userspace
320 * struct kvm_sync_regs is architecture specific, as well as the
321 * bits for kvm_valid_regs and kvm_dirty_regs
323 __u64 kvm_valid_regs
;
324 __u64 kvm_dirty_regs
;
326 struct kvm_sync_regs regs
;
331 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
333 struct kvm_coalesced_mmio_zone
{
339 struct kvm_coalesced_mmio
{
346 struct kvm_coalesced_mmio_ring
{
348 struct kvm_coalesced_mmio coalesced_mmio
[0];
351 #define KVM_COALESCED_MMIO_MAX \
352 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
353 sizeof(struct kvm_coalesced_mmio))
355 /* for KVM_TRANSLATE */
356 struct kvm_translation
{
358 __u64 linear_address
;
361 __u64 physical_address
;
368 /* for KVM_INTERRUPT */
369 struct kvm_interrupt
{
374 /* for KVM_GET_DIRTY_LOG */
375 struct kvm_dirty_log
{
379 void *dirty_bitmap
; /* one bit per page */
384 /* for KVM_SET_SIGNAL_MASK */
385 struct kvm_signal_mask
{
390 /* for KVM_TPR_ACCESS_REPORTING */
391 struct kvm_tpr_access_ctl
{
397 /* for KVM_SET_VAPIC_ADDR */
398 struct kvm_vapic_addr
{
402 /* for KVM_SET_MPSTATE */
404 #define KVM_MP_STATE_RUNNABLE 0
405 #define KVM_MP_STATE_UNINITIALIZED 1
406 #define KVM_MP_STATE_INIT_RECEIVED 2
407 #define KVM_MP_STATE_HALTED 3
408 #define KVM_MP_STATE_SIPI_RECEIVED 4
410 struct kvm_mp_state
{
414 struct kvm_s390_psw
{
419 /* valid values for type in kvm_s390_interrupt */
420 #define KVM_S390_SIGP_STOP 0xfffe0000u
421 #define KVM_S390_PROGRAM_INT 0xfffe0001u
422 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
423 #define KVM_S390_RESTART 0xfffe0003u
424 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
425 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
426 #define KVM_S390_MCHK 0xfffe1000u
427 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u
428 #define KVM_S390_INT_CPU_TIMER 0xffff1005u
429 #define KVM_S390_INT_VIRTIO 0xffff2603u
430 #define KVM_S390_INT_SERVICE 0xffff2401u
431 #define KVM_S390_INT_EMERGENCY 0xffff1201u
432 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
433 /* Anything below 0xfffe0000u is taken by INT_IO */
434 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
439 #define KVM_S390_INT_IO_MIN 0x00000000u
440 #define KVM_S390_INT_IO_MAX 0xfffdffffu
443 struct kvm_s390_interrupt
{
449 struct kvm_s390_io_info
{
456 struct kvm_s390_ext_info
{
462 struct kvm_s390_pgm_info
{
463 __u64 trans_exc_code
;
477 struct kvm_s390_prefix_info
{
481 struct kvm_s390_extcall_info
{
485 struct kvm_s390_emerg_info
{
489 struct kvm_s390_mchk_info
{
492 __u64 failing_storage_address
;
493 __u32 ext_damage_code
;
495 __u8 fixed_logout
[16];
498 struct kvm_s390_irq
{
501 struct kvm_s390_io_info io
;
502 struct kvm_s390_ext_info ext
;
503 struct kvm_s390_pgm_info pgm
;
504 struct kvm_s390_emerg_info emerg
;
505 struct kvm_s390_extcall_info extcall
;
506 struct kvm_s390_prefix_info prefix
;
507 struct kvm_s390_mchk_info mchk
;
512 /* for KVM_SET_GUEST_DEBUG */
514 #define KVM_GUESTDBG_ENABLE 0x00000001
515 #define KVM_GUESTDBG_SINGLESTEP 0x00000002
517 struct kvm_guest_debug
{
520 struct kvm_guest_debug_arch arch
;
524 kvm_ioeventfd_flag_nr_datamatch
,
525 kvm_ioeventfd_flag_nr_pio
,
526 kvm_ioeventfd_flag_nr_deassign
,
527 kvm_ioeventfd_flag_nr_virtio_ccw_notify
,
528 kvm_ioeventfd_flag_nr_fast_mmio
,
529 kvm_ioeventfd_flag_nr_max
,
532 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
533 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
534 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
535 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
536 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
538 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
540 struct kvm_ioeventfd
{
542 __u64 addr
; /* legal pio/mmio address */
543 __u32 len
; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
549 /* for KVM_ENABLE_CAP */
550 struct kvm_enable_cap
{
558 /* for KVM_PPC_GET_PVINFO */
559 struct kvm_ppc_pvinfo
{
566 /* for KVM_PPC_GET_SMMU_INFO */
567 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8
569 struct kvm_ppc_one_page_size
{
570 __u32 page_shift
; /* Page shift (or 0) */
571 __u32 pte_enc
; /* Encoding in the HPTE (>>12) */
574 struct kvm_ppc_one_seg_page_size
{
575 __u32 page_shift
; /* Base page shift of segment (or 0) */
576 __u32 slb_enc
; /* SLB encoding for BookS */
577 struct kvm_ppc_one_page_size enc
[KVM_PPC_PAGE_SIZES_MAX_SZ
];
580 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001
581 #define KVM_PPC_1T_SEGMENTS 0x00000002
583 struct kvm_ppc_smmu_info
{
587 struct kvm_ppc_one_seg_page_size sps
[KVM_PPC_PAGE_SIZES_MAX_SZ
];
590 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
594 /* machine type bits, to be used as argument to KVM_CREATE_VM */
595 #define KVM_VM_S390_UCONTROL 1
597 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
598 #define KVM_VM_PPC_HV 1
599 #define KVM_VM_PPC_PR 2
601 #define KVM_S390_SIE_PAGE_OFFSET 1
604 * ioctls for /dev/kvm fds:
606 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
607 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
608 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
610 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
612 * Check if a kvm extension is available. Argument is extension number,
613 * return is 1 (yes) or 0 (no, sorry).
615 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
617 * Get size for mmap(vcpu_fd)
619 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
620 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
621 #define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06
622 #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
623 #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
624 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
627 * Extension capability list.
629 #define KVM_CAP_IRQCHIP 0
630 #define KVM_CAP_HLT 1
631 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
632 #define KVM_CAP_USER_MEMORY 3
633 #define KVM_CAP_SET_TSS_ADDR 4
634 #define KVM_CAP_VAPIC 6
635 #define KVM_CAP_EXT_CPUID 7
636 #define KVM_CAP_CLOCKSOURCE 8
637 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
638 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
639 #define KVM_CAP_PIT 11
640 #define KVM_CAP_NOP_IO_DELAY 12
641 #define KVM_CAP_PV_MMU 13
642 #define KVM_CAP_MP_STATE 14
643 #define KVM_CAP_COALESCED_MMIO 15
644 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
645 #define KVM_CAP_DEVICE_ASSIGNMENT 17
646 #define KVM_CAP_IOMMU 18
647 #ifdef __KVM_HAVE_MSI
648 #define KVM_CAP_DEVICE_MSI 20
650 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
651 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
652 #ifdef __KVM_HAVE_USER_NMI
653 #define KVM_CAP_USER_NMI 22
655 #ifdef __KVM_HAVE_GUEST_DEBUG
656 #define KVM_CAP_SET_GUEST_DEBUG 23
658 #ifdef __KVM_HAVE_PIT
659 #define KVM_CAP_REINJECT_CONTROL 24
661 #define KVM_CAP_IRQ_ROUTING 25
662 #define KVM_CAP_IRQ_INJECT_STATUS 26
663 #define KVM_CAP_DEVICE_DEASSIGNMENT 27
664 #ifdef __KVM_HAVE_MSIX
665 #define KVM_CAP_DEVICE_MSIX 28
667 #define KVM_CAP_ASSIGN_DEV_IRQ 29
668 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
669 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
670 #ifdef __KVM_HAVE_MCE
671 #define KVM_CAP_MCE 31
673 #define KVM_CAP_IRQFD 32
674 #ifdef __KVM_HAVE_PIT
675 #define KVM_CAP_PIT2 33
677 #define KVM_CAP_SET_BOOT_CPU_ID 34
678 #ifdef __KVM_HAVE_PIT_STATE2
679 #define KVM_CAP_PIT_STATE2 35
681 #define KVM_CAP_IOEVENTFD 36
682 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
683 #ifdef __KVM_HAVE_XEN_HVM
684 #define KVM_CAP_XEN_HVM 38
686 #define KVM_CAP_ADJUST_CLOCK 39
687 #define KVM_CAP_INTERNAL_ERROR_DATA 40
688 #ifdef __KVM_HAVE_VCPU_EVENTS
689 #define KVM_CAP_VCPU_EVENTS 41
691 #define KVM_CAP_S390_PSW 42
692 #define KVM_CAP_PPC_SEGSTATE 43
693 #define KVM_CAP_HYPERV 44
694 #define KVM_CAP_HYPERV_VAPIC 45
695 #define KVM_CAP_HYPERV_SPIN 46
696 #define KVM_CAP_PCI_SEGMENT 47
697 #define KVM_CAP_PPC_PAIRED_SINGLES 48
698 #define KVM_CAP_INTR_SHADOW 49
699 #ifdef __KVM_HAVE_DEBUGREGS
700 #define KVM_CAP_DEBUGREGS 50
702 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
703 #define KVM_CAP_PPC_OSI 52
704 #define KVM_CAP_PPC_UNSET_IRQ 53
705 #define KVM_CAP_ENABLE_CAP 54
706 #ifdef __KVM_HAVE_XSAVE
707 #define KVM_CAP_XSAVE 55
709 #ifdef __KVM_HAVE_XCRS
710 #define KVM_CAP_XCRS 56
712 #define KVM_CAP_PPC_GET_PVINFO 57
713 #define KVM_CAP_PPC_IRQ_LEVEL 58
714 #define KVM_CAP_ASYNC_PF 59
715 #define KVM_CAP_TSC_CONTROL 60
716 #define KVM_CAP_GET_TSC_KHZ 61
717 #define KVM_CAP_PPC_BOOKE_SREGS 62
718 #define KVM_CAP_SPAPR_TCE 63
719 #define KVM_CAP_PPC_SMT 64
720 #define KVM_CAP_PPC_RMA 65
721 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
722 #define KVM_CAP_PPC_HIOR 67
723 #define KVM_CAP_PPC_PAPR 68
724 #define KVM_CAP_SW_TLB 69
725 #define KVM_CAP_ONE_REG 70
726 #define KVM_CAP_S390_GMAP 71
727 #define KVM_CAP_TSC_DEADLINE_TIMER 72
728 #define KVM_CAP_S390_UCONTROL 73
729 #define KVM_CAP_SYNC_REGS 74
730 #define KVM_CAP_PCI_2_3 75
731 #define KVM_CAP_KVMCLOCK_CTRL 76
732 #define KVM_CAP_SIGNAL_MSI 77
733 #define KVM_CAP_PPC_GET_SMMU_INFO 78
734 #define KVM_CAP_S390_COW 79
735 #define KVM_CAP_PPC_ALLOC_HTAB 80
736 #ifdef __KVM_HAVE_READONLY_MEM
737 #define KVM_CAP_READONLY_MEM 81
739 #define KVM_CAP_IRQFD_RESAMPLE 82
740 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
741 #define KVM_CAP_PPC_HTAB_FD 84
742 #define KVM_CAP_S390_CSS_SUPPORT 85
743 #define KVM_CAP_PPC_EPR 86
744 #define KVM_CAP_ARM_PSCI 87
745 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
746 #define KVM_CAP_DEVICE_CTRL 89
747 #define KVM_CAP_IRQ_MPIC 90
748 #define KVM_CAP_PPC_RTAS 91
749 #define KVM_CAP_IRQ_XICS 92
750 #define KVM_CAP_ARM_EL1_32BIT 93
751 #define KVM_CAP_SPAPR_MULTITCE 94
752 #define KVM_CAP_EXT_EMUL_CPUID 95
753 #define KVM_CAP_HYPERV_TIME 96
754 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
755 #define KVM_CAP_ENABLE_CAP_VM 98
756 #define KVM_CAP_S390_IRQCHIP 99
757 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
758 #define KVM_CAP_VM_ATTRIBUTES 101
759 #define KVM_CAP_ARM_PSCI_0_2 102
760 #define KVM_CAP_PPC_FIXUP_HCALL 103
762 #ifdef KVM_CAP_IRQ_ROUTING
764 struct kvm_irq_routing_irqchip
{
769 struct kvm_irq_routing_msi
{
776 struct kvm_irq_routing_s390_adapter
{
780 __u32 summary_offset
;
784 /* gsi routing entry types */
785 #define KVM_IRQ_ROUTING_IRQCHIP 1
786 #define KVM_IRQ_ROUTING_MSI 2
787 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
789 struct kvm_irq_routing_entry
{
795 struct kvm_irq_routing_irqchip irqchip
;
796 struct kvm_irq_routing_msi msi
;
797 struct kvm_irq_routing_s390_adapter adapter
;
802 struct kvm_irq_routing
{
805 struct kvm_irq_routing_entry entries
[0];
823 #ifdef KVM_CAP_XEN_HVM
824 struct kvm_xen_hvm_config
{
835 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
837 * Available with KVM_CAP_IRQFD_RESAMPLE
839 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
840 * the irqfd to operate in resampling mode for level triggered interrupt
841 * emlation. See Documentation/virtual/kvm/api.txt.
843 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
853 struct kvm_clock_data
{
859 #define KVM_MMU_FSL_BOOKE_NOHV 0
860 #define KVM_MMU_FSL_BOOKE_HV 1
862 struct kvm_config_tlb
{
869 struct kvm_dirty_tlb
{
874 /* Available with KVM_CAP_ONE_REG */
876 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL
877 #define KVM_REG_GENERIC 0x0000000000000000ULL
880 * Architecture specific registers are to be defined in arch headers and
881 * ORed with the arch identifier.
883 #define KVM_REG_PPC 0x1000000000000000ULL
884 #define KVM_REG_X86 0x2000000000000000ULL
885 #define KVM_REG_IA64 0x3000000000000000ULL
886 #define KVM_REG_ARM 0x4000000000000000ULL
887 #define KVM_REG_S390 0x5000000000000000ULL
888 #define KVM_REG_ARM64 0x6000000000000000ULL
889 #define KVM_REG_MIPS 0x7000000000000000ULL
891 #define KVM_REG_SIZE_SHIFT 52
892 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
893 #define KVM_REG_SIZE_U8 0x0000000000000000ULL
894 #define KVM_REG_SIZE_U16 0x0010000000000000ULL
895 #define KVM_REG_SIZE_U32 0x0020000000000000ULL
896 #define KVM_REG_SIZE_U64 0x0030000000000000ULL
897 #define KVM_REG_SIZE_U128 0x0040000000000000ULL
898 #define KVM_REG_SIZE_U256 0x0050000000000000ULL
899 #define KVM_REG_SIZE_U512 0x0060000000000000ULL
900 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL
902 struct kvm_reg_list
{
903 __u64 n
; /* number of regs */
920 struct kvm_arm_device_addr
{
926 * Device control API, available with KVM_CAP_DEVICE_CTRL
928 #define KVM_CREATE_DEVICE_TEST 1
930 struct kvm_create_device
{
931 __u32 type
; /* in: KVM_DEV_TYPE_xxx */
932 __u32 fd
; /* out: device handle */
933 __u32 flags
; /* in: KVM_CREATE_DEVICE_xxx */
936 struct kvm_device_attr
{
937 __u32 flags
; /* no flags currently defined */
938 __u32 group
; /* device-defined */
939 __u64 attr
; /* group-defined */
940 __u64 addr
; /* userspace address of attr data */
943 #define KVM_DEV_TYPE_FSL_MPIC_20 1
944 #define KVM_DEV_TYPE_FSL_MPIC_42 2
945 #define KVM_DEV_TYPE_XICS 3
946 #define KVM_DEV_TYPE_VFIO 4
947 #define KVM_DEV_VFIO_GROUP 1
948 #define KVM_DEV_VFIO_GROUP_ADD 1
949 #define KVM_DEV_VFIO_GROUP_DEL 2
950 #define KVM_DEV_TYPE_ARM_VGIC_V2 5
951 #define KVM_DEV_TYPE_FLIC 6
956 #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
958 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
961 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
962 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
963 /* KVM_SET_MEMORY_ALIAS is obsolete: */
964 #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
965 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
966 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
967 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
968 struct kvm_userspace_memory_region)
969 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
970 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
972 /* enable ucontrol for s390 */
973 struct kvm_s390_ucas_mapping
{
978 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
979 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
980 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
982 /* Device model IOC */
983 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
984 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
985 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
986 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
987 #define KVM_CREATE_PIT _IO(KVMIO, 0x64)
988 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
989 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
990 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
991 #define KVM_REGISTER_COALESCED_MMIO \
992 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
993 #define KVM_UNREGISTER_COALESCED_MMIO \
994 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
995 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
996 struct kvm_assigned_pci_dev)
997 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
998 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
999 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
1000 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
1001 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1002 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
1003 struct kvm_assigned_pci_dev)
1004 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
1005 struct kvm_assigned_msix_nr)
1006 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
1007 struct kvm_assigned_msix_entry)
1008 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
1009 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1010 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1011 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1012 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1013 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1014 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1015 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1016 /* Available with KVM_CAP_PIT_STATE2 */
1017 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1018 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1019 /* Available with KVM_CAP_PPC_GET_PVINFO */
1020 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1021 /* Available with KVM_CAP_TSC_CONTROL */
1022 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1023 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1024 /* Available with KVM_CAP_PCI_2_3 */
1025 #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
1026 struct kvm_assigned_pci_dev)
1027 /* Available with KVM_CAP_SIGNAL_MSI */
1028 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1029 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1030 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1031 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1032 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1033 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1034 /* Available with KVM_CAP_RMA */
1035 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1036 /* Available with KVM_CAP_PPC_HTAB_FD */
1037 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1038 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1039 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1040 /* Available with KVM_CAP_PPC_RTAS */
1041 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1043 /* ioctl for vm fd */
1044 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1046 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1047 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1048 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1049 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1052 * ioctls for vcpu fds
1054 #define KVM_RUN _IO(KVMIO, 0x80)
1055 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1056 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1057 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1058 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1059 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1060 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1061 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1062 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
1063 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1064 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1065 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1066 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1067 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1068 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1069 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1070 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1071 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1072 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1073 /* Available with KVM_CAP_VAPIC */
1074 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1075 /* Available with KVM_CAP_VAPIC */
1076 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1077 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1078 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1079 /* store status for s390 */
1080 #define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1081 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1082 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1083 /* initial ipl psw for s390 */
1084 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1085 /* initial reset for s390 */
1086 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1087 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1088 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1089 /* Available with KVM_CAP_NMI */
1090 #define KVM_NMI _IO(KVMIO, 0x9a)
1091 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1092 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1094 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1095 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1096 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1097 /* IA64 stack access */
1098 #define KVM_IA64_VCPU_GET_STACK _IOR(KVMIO, 0x9a, void *)
1099 #define KVM_IA64_VCPU_SET_STACK _IOW(KVMIO, 0x9b, void *)
1100 /* Available with KVM_CAP_VCPU_EVENTS */
1101 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1102 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1103 /* Available with KVM_CAP_DEBUGREGS */
1104 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1105 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1107 * vcpu version available with KVM_ENABLE_CAP
1108 * vm version available with KVM_CAP_ENABLE_CAP_VM
1110 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1111 /* Available with KVM_CAP_XSAVE */
1112 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1113 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1114 /* Available with KVM_CAP_XCRS */
1115 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1116 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1117 /* Available with KVM_CAP_SW_TLB */
1118 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1119 /* Available with KVM_CAP_ONE_REG */
1120 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1121 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1122 /* VM is being stopped by host */
1123 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1124 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1125 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1126 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1128 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
1129 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
1130 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
1132 struct kvm_assigned_pci_dev
{
1133 __u32 assigned_dev_id
;
1143 #define KVM_DEV_IRQ_HOST_INTX (1 << 0)
1144 #define KVM_DEV_IRQ_HOST_MSI (1 << 1)
1145 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
1147 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
1148 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
1149 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
1151 #define KVM_DEV_IRQ_HOST_MASK 0x00ff
1152 #define KVM_DEV_IRQ_GUEST_MASK 0xff00
1154 struct kvm_assigned_irq
{
1155 __u32 assigned_dev_id
;
1156 __u32 host_irq
; /* ignored (legacy field) */
1164 struct kvm_assigned_msix_nr
{
1165 __u32 assigned_dev_id
;
1170 #define KVM_MAX_MSIX_PER_DEV 256
1171 struct kvm_assigned_msix_entry
{
1172 __u32 assigned_dev_id
;
1174 __u16 entry
; /* The index of entry in the MSI-X table */
1178 #endif /* __LINUX_KVM_H */