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
20 * Backwards-compatible definitions.
22 #define __KVM_HAVE_GUEST_DEBUG
24 /* for KVM_SET_USER_MEMORY_REGION */
25 struct kvm_userspace_memory_region {
28 __u64 guest_phys_addr;
29 __u64 memory_size; /* bytes */
30 __u64 userspace_addr; /* start of the userspace allocated memory */
33 /* for KVM_SET_USER_MEMORY_REGION2 */
34 struct kvm_userspace_memory_region2 {
37 __u64 guest_phys_addr;
40 __u64 guest_memfd_offset;
47 * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for
48 * userspace, other bits are reserved for kvm internal use which are defined
49 * in include/linux/kvm_host.h.
51 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
52 #define KVM_MEM_READONLY (1UL << 1)
53 #define KVM_MEM_GUEST_MEMFD (1UL << 2)
55 /* for KVM_IRQ_LINE */
56 struct kvm_irq_level {
58 * ACPI gsi notion of irq.
59 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
60 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
61 * For ARM: See Documentation/virt/kvm/api.rst
75 char dummy[512]; /* reserving space */
77 struct kvm_pic_state pic;
79 #ifdef __KVM_HAVE_IOAPIC
80 struct kvm_ioapic_state ioapic;
85 /* for KVM_CREATE_PIT2 */
86 struct kvm_pit_config {
91 #define KVM_PIT_SPEAKER_DUMMY 1
93 struct kvm_hyperv_exit {
94 #define KVM_EXIT_HYPERV_SYNIC 1
95 #define KVM_EXIT_HYPERV_HCALL 2
96 #define KVM_EXIT_HYPERV_SYNDBG 3
124 struct kvm_xen_exit {
125 #define KVM_EXIT_XEN_HCALL 1
138 #define KVM_S390_GET_SKEYS_NONE 1
139 #define KVM_S390_SKEYS_MAX 1048576
141 #define KVM_EXIT_UNKNOWN 0
142 #define KVM_EXIT_EXCEPTION 1
143 #define KVM_EXIT_IO 2
144 #define KVM_EXIT_HYPERCALL 3
145 #define KVM_EXIT_DEBUG 4
146 #define KVM_EXIT_HLT 5
147 #define KVM_EXIT_MMIO 6
148 #define KVM_EXIT_IRQ_WINDOW_OPEN 7
149 #define KVM_EXIT_SHUTDOWN 8
150 #define KVM_EXIT_FAIL_ENTRY 9
151 #define KVM_EXIT_INTR 10
152 #define KVM_EXIT_SET_TPR 11
153 #define KVM_EXIT_TPR_ACCESS 12
154 #define KVM_EXIT_S390_SIEIC 13
155 #define KVM_EXIT_S390_RESET 14
156 #define KVM_EXIT_DCR 15 /* deprecated */
157 #define KVM_EXIT_NMI 16
158 #define KVM_EXIT_INTERNAL_ERROR 17
159 #define KVM_EXIT_OSI 18
160 #define KVM_EXIT_PAPR_HCALL 19
161 #define KVM_EXIT_S390_UCONTROL 20
162 #define KVM_EXIT_WATCHDOG 21
163 #define KVM_EXIT_S390_TSCH 22
164 #define KVM_EXIT_EPR 23
165 #define KVM_EXIT_SYSTEM_EVENT 24
166 #define KVM_EXIT_S390_STSI 25
167 #define KVM_EXIT_IOAPIC_EOI 26
168 #define KVM_EXIT_HYPERV 27
169 #define KVM_EXIT_ARM_NISV 28
170 #define KVM_EXIT_X86_RDMSR 29
171 #define KVM_EXIT_X86_WRMSR 30
172 #define KVM_EXIT_DIRTY_RING_FULL 31
173 #define KVM_EXIT_AP_RESET_HOLD 32
174 #define KVM_EXIT_X86_BUS_LOCK 33
175 #define KVM_EXIT_XEN 34
176 #define KVM_EXIT_RISCV_SBI 35
177 #define KVM_EXIT_RISCV_CSR 36
178 #define KVM_EXIT_NOTIFY 37
179 #define KVM_EXIT_LOONGARCH_IOCSR 38
180 #define KVM_EXIT_MEMORY_FAULT 39
182 /* For KVM_EXIT_INTERNAL_ERROR */
183 /* Emulate instruction failed. */
184 #define KVM_INTERNAL_ERROR_EMULATION 1
185 /* Encounter unexpected simultaneous exceptions. */
186 #define KVM_INTERNAL_ERROR_SIMUL_EX 2
187 /* Encounter unexpected vm-exit due to delivery event. */
188 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3
189 /* Encounter unexpected vm-exit reason */
190 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4
192 /* Flags that describe what fields in emulation_failure hold valid data. */
193 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
195 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
198 __u8 request_interrupt_window;
204 __u8 ready_for_interrupt_injection;
208 /* in (pre_kvm_run), out (post_kvm_run) */
213 /* the processor status word for s390 */
214 __u64 psw_mask; /* psw upper half */
215 __u64 psw_addr; /* psw lower half */
218 /* KVM_EXIT_UNKNOWN */
220 __u64 hardware_exit_reason;
222 /* KVM_EXIT_FAIL_ENTRY */
224 __u64 hardware_entry_failure_reason;
227 /* KVM_EXIT_EXCEPTION */
234 #define KVM_EXIT_IO_IN 0
235 #define KVM_EXIT_IO_OUT 1
237 __u8 size; /* bytes */
240 __u64 data_offset; /* relative to kvm_run start */
244 struct kvm_debug_exit_arch arch;
253 /* KVM_EXIT_LOONGARCH_IOCSR */
260 /* KVM_EXIT_HYPERCALL */
273 /* KVM_EXIT_TPR_ACCESS */
279 /* KVM_EXIT_S390_SIEIC */
285 /* KVM_EXIT_S390_RESET */
286 __u64 s390_reset_flags;
287 /* KVM_EXIT_S390_UCONTROL */
289 __u64 trans_exc_code;
292 /* KVM_EXIT_DCR (deprecated) */
298 /* KVM_EXIT_INTERNAL_ERROR */
301 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
306 * KVM_INTERNAL_ERROR_EMULATION
308 * "struct emulation_failure" is an overlay of "struct internal"
309 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
310 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error
311 * sub-types, this struct is ABI! It also needs to be backwards
312 * compatible with "struct internal". Take special care that
313 * "ndata" is correct, that new fields are enumerated in "flags",
314 * and that each flag enumerates fields that are 64-bit aligned
315 * and sized (so that ndata+internal.data[] is valid/accurate).
317 * Space beyond the defined fields may be used to store arbitrary
318 * debug information relating to the emulation failure. It is
319 * accounted for in "ndata" but the format is unspecified and is
320 * not represented in "flags". Any such information is *not* ABI!
332 /* Arbitrary debug data may follow. */
338 /* KVM_EXIT_PAPR_HCALL */
344 /* KVM_EXIT_S390_TSCH */
357 /* KVM_EXIT_SYSTEM_EVENT */
359 #define KVM_SYSTEM_EVENT_SHUTDOWN 1
360 #define KVM_SYSTEM_EVENT_RESET 2
361 #define KVM_SYSTEM_EVENT_CRASH 3
362 #define KVM_SYSTEM_EVENT_WAKEUP 4
363 #define KVM_SYSTEM_EVENT_SUSPEND 5
364 #define KVM_SYSTEM_EVENT_SEV_TERM 6
374 /* KVM_EXIT_S390_STSI */
383 /* KVM_EXIT_IOAPIC_EOI */
387 /* KVM_EXIT_HYPERV */
388 struct kvm_hyperv_exit hyperv;
389 /* KVM_EXIT_ARM_NISV */
394 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
396 __u8 error; /* user -> kernel */
398 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0)
399 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1)
400 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2)
401 #define KVM_MSR_EXIT_REASON_VALID_MASK (KVM_MSR_EXIT_REASON_INVAL | \
402 KVM_MSR_EXIT_REASON_UNKNOWN | \
403 KVM_MSR_EXIT_REASON_FILTER)
404 __u32 reason; /* kernel -> user */
405 __u32 index; /* kernel -> user */
406 __u64 data; /* kernel <-> user */
409 struct kvm_xen_exit xen;
410 /* KVM_EXIT_RISCV_SBI */
412 unsigned long extension_id;
413 unsigned long function_id;
414 unsigned long args[6];
415 unsigned long ret[2];
417 /* KVM_EXIT_RISCV_CSR */
419 unsigned long csr_num;
420 unsigned long new_value;
421 unsigned long write_mask;
422 unsigned long ret_value;
424 /* KVM_EXIT_NOTIFY */
426 #define KVM_NOTIFY_CONTEXT_INVALID (1 << 0)
429 /* KVM_EXIT_MEMORY_FAULT */
431 #define KVM_MEMORY_EXIT_FLAG_PRIVATE (1ULL << 3)
436 /* Fix the size of the union. */
440 /* 2048 is the size of the char array used to bound/pad the size
441 * of the union that holds sync regs.
443 #define SYNC_REGS_SIZE_BYTES 2048
445 * shared registers between kvm and userspace.
446 * kvm_valid_regs specifies the register classes set by the host
447 * kvm_dirty_regs specified the register classes dirtied by userspace
448 * struct kvm_sync_regs is architecture specific, as well as the
449 * bits for kvm_valid_regs and kvm_dirty_regs
451 __u64 kvm_valid_regs;
452 __u64 kvm_dirty_regs;
454 struct kvm_sync_regs regs;
455 char padding[SYNC_REGS_SIZE_BYTES];
459 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
461 struct kvm_coalesced_mmio_zone {
470 struct kvm_coalesced_mmio {
480 struct kvm_coalesced_mmio_ring {
482 struct kvm_coalesced_mmio coalesced_mmio[];
485 #define KVM_COALESCED_MMIO_MAX \
486 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
487 sizeof(struct kvm_coalesced_mmio))
489 /* for KVM_TRANSLATE */
490 struct kvm_translation {
492 __u64 linear_address;
495 __u64 physical_address;
502 /* for KVM_INTERRUPT */
503 struct kvm_interrupt {
508 /* for KVM_GET_DIRTY_LOG */
509 struct kvm_dirty_log {
513 void __user *dirty_bitmap; /* one bit per page */
518 /* for KVM_CLEAR_DIRTY_LOG */
519 struct kvm_clear_dirty_log {
524 void __user *dirty_bitmap; /* one bit per page */
529 /* for KVM_SET_SIGNAL_MASK */
530 struct kvm_signal_mask {
535 /* for KVM_TPR_ACCESS_REPORTING */
536 struct kvm_tpr_access_ctl {
542 /* for KVM_SET_VAPIC_ADDR */
543 struct kvm_vapic_addr {
547 /* for KVM_SET_MP_STATE */
549 /* not all states are valid on all architectures */
550 #define KVM_MP_STATE_RUNNABLE 0
551 #define KVM_MP_STATE_UNINITIALIZED 1
552 #define KVM_MP_STATE_INIT_RECEIVED 2
553 #define KVM_MP_STATE_HALTED 3
554 #define KVM_MP_STATE_SIPI_RECEIVED 4
555 #define KVM_MP_STATE_STOPPED 5
556 #define KVM_MP_STATE_CHECK_STOP 6
557 #define KVM_MP_STATE_OPERATING 7
558 #define KVM_MP_STATE_LOAD 8
559 #define KVM_MP_STATE_AP_RESET_HOLD 9
560 #define KVM_MP_STATE_SUSPENDED 10
562 struct kvm_mp_state {
566 /* for KVM_SET_GUEST_DEBUG */
568 #define KVM_GUESTDBG_ENABLE 0x00000001
569 #define KVM_GUESTDBG_SINGLESTEP 0x00000002
571 struct kvm_guest_debug {
574 struct kvm_guest_debug_arch arch;
578 kvm_ioeventfd_flag_nr_datamatch,
579 kvm_ioeventfd_flag_nr_pio,
580 kvm_ioeventfd_flag_nr_deassign,
581 kvm_ioeventfd_flag_nr_virtio_ccw_notify,
582 kvm_ioeventfd_flag_nr_fast_mmio,
583 kvm_ioeventfd_flag_nr_max,
586 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
587 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
588 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
589 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
590 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
592 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
594 struct kvm_ioeventfd {
596 __u64 addr; /* legal pio/mmio address */
597 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
603 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0)
604 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
605 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
606 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3)
607 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \
608 KVM_X86_DISABLE_EXITS_HLT | \
609 KVM_X86_DISABLE_EXITS_PAUSE | \
610 KVM_X86_DISABLE_EXITS_CSTATE)
612 /* for KVM_ENABLE_CAP */
613 struct kvm_enable_cap {
623 /* machine type bits, to be used as argument to KVM_CREATE_VM */
624 #define KVM_VM_S390_UCONTROL 1
626 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
627 #define KVM_VM_PPC_HV 1
628 #define KVM_VM_PPC_PR 2
630 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
631 #define KVM_VM_MIPS_AUTO 0
632 #define KVM_VM_MIPS_VZ 1
633 #define KVM_VM_MIPS_TE 2
635 #define KVM_S390_SIE_PAGE_OFFSET 1
638 * On arm64, machine type can be used to request the physical
639 * address size for the VM. Bits[7-0] are reserved for the guest
640 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
641 * value 0 implies the default IPA size, 40bits.
643 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL
644 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \
645 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
647 * ioctls for /dev/kvm fds:
649 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
650 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
651 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
653 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
655 * Check if a kvm extension is available. Argument is extension number,
656 * return is 1 (yes) or 0 (no, sorry).
658 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
660 * Get size for mmap(vcpu_fd)
662 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
663 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
664 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
665 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
668 * Extension capability list.
670 #define KVM_CAP_IRQCHIP 0
671 #define KVM_CAP_HLT 1
672 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
673 #define KVM_CAP_USER_MEMORY 3
674 #define KVM_CAP_SET_TSS_ADDR 4
675 #define KVM_CAP_VAPIC 6
676 #define KVM_CAP_EXT_CPUID 7
677 #define KVM_CAP_CLOCKSOURCE 8
678 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
679 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
680 #define KVM_CAP_PIT 11
681 #define KVM_CAP_NOP_IO_DELAY 12
682 #define KVM_CAP_PV_MMU 13
683 #define KVM_CAP_MP_STATE 14
684 #define KVM_CAP_COALESCED_MMIO 15
685 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
686 #define KVM_CAP_IOMMU 18
687 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
688 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
689 #define KVM_CAP_USER_NMI 22
690 #define KVM_CAP_SET_GUEST_DEBUG 23
691 #ifdef __KVM_HAVE_PIT
692 #define KVM_CAP_REINJECT_CONTROL 24
694 #define KVM_CAP_IRQ_ROUTING 25
695 #define KVM_CAP_IRQ_INJECT_STATUS 26
696 #define KVM_CAP_ASSIGN_DEV_IRQ 29
697 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
698 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
699 #ifdef __KVM_HAVE_MCE
700 #define KVM_CAP_MCE 31
702 #define KVM_CAP_IRQFD 32
703 #ifdef __KVM_HAVE_PIT
704 #define KVM_CAP_PIT2 33
706 #define KVM_CAP_SET_BOOT_CPU_ID 34
707 #ifdef __KVM_HAVE_PIT_STATE2
708 #define KVM_CAP_PIT_STATE2 35
710 #define KVM_CAP_IOEVENTFD 36
711 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
712 #ifdef __KVM_HAVE_XEN_HVM
713 #define KVM_CAP_XEN_HVM 38
715 #define KVM_CAP_ADJUST_CLOCK 39
716 #define KVM_CAP_INTERNAL_ERROR_DATA 40
717 #ifdef __KVM_HAVE_VCPU_EVENTS
718 #define KVM_CAP_VCPU_EVENTS 41
720 #define KVM_CAP_S390_PSW 42
721 #define KVM_CAP_PPC_SEGSTATE 43
722 #define KVM_CAP_HYPERV 44
723 #define KVM_CAP_HYPERV_VAPIC 45
724 #define KVM_CAP_HYPERV_SPIN 46
725 #define KVM_CAP_PCI_SEGMENT 47
726 #define KVM_CAP_PPC_PAIRED_SINGLES 48
727 #define KVM_CAP_INTR_SHADOW 49
728 #ifdef __KVM_HAVE_DEBUGREGS
729 #define KVM_CAP_DEBUGREGS 50
731 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
732 #define KVM_CAP_PPC_OSI 52
733 #define KVM_CAP_PPC_UNSET_IRQ 53
734 #define KVM_CAP_ENABLE_CAP 54
735 #ifdef __KVM_HAVE_XSAVE
736 #define KVM_CAP_XSAVE 55
738 #ifdef __KVM_HAVE_XCRS
739 #define KVM_CAP_XCRS 56
741 #define KVM_CAP_PPC_GET_PVINFO 57
742 #define KVM_CAP_PPC_IRQ_LEVEL 58
743 #define KVM_CAP_ASYNC_PF 59
744 #define KVM_CAP_TSC_CONTROL 60
745 #define KVM_CAP_GET_TSC_KHZ 61
746 #define KVM_CAP_PPC_BOOKE_SREGS 62
747 #define KVM_CAP_SPAPR_TCE 63
748 #define KVM_CAP_PPC_SMT 64
749 #define KVM_CAP_PPC_RMA 65
750 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
751 #define KVM_CAP_PPC_HIOR 67
752 #define KVM_CAP_PPC_PAPR 68
753 #define KVM_CAP_SW_TLB 69
754 #define KVM_CAP_ONE_REG 70
755 #define KVM_CAP_S390_GMAP 71
756 #define KVM_CAP_TSC_DEADLINE_TIMER 72
757 #define KVM_CAP_S390_UCONTROL 73
758 #define KVM_CAP_SYNC_REGS 74
759 #define KVM_CAP_PCI_2_3 75
760 #define KVM_CAP_KVMCLOCK_CTRL 76
761 #define KVM_CAP_SIGNAL_MSI 77
762 #define KVM_CAP_PPC_GET_SMMU_INFO 78
763 #define KVM_CAP_S390_COW 79
764 #define KVM_CAP_PPC_ALLOC_HTAB 80
765 #define KVM_CAP_READONLY_MEM 81
766 #define KVM_CAP_IRQFD_RESAMPLE 82
767 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
768 #define KVM_CAP_PPC_HTAB_FD 84
769 #define KVM_CAP_S390_CSS_SUPPORT 85
770 #define KVM_CAP_PPC_EPR 86
771 #define KVM_CAP_ARM_PSCI 87
772 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
773 #define KVM_CAP_DEVICE_CTRL 89
774 #define KVM_CAP_IRQ_MPIC 90
775 #define KVM_CAP_PPC_RTAS 91
776 #define KVM_CAP_IRQ_XICS 92
777 #define KVM_CAP_ARM_EL1_32BIT 93
778 #define KVM_CAP_SPAPR_MULTITCE 94
779 #define KVM_CAP_EXT_EMUL_CPUID 95
780 #define KVM_CAP_HYPERV_TIME 96
781 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
782 #define KVM_CAP_ENABLE_CAP_VM 98
783 #define KVM_CAP_S390_IRQCHIP 99
784 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
785 #define KVM_CAP_VM_ATTRIBUTES 101
786 #define KVM_CAP_ARM_PSCI_0_2 102
787 #define KVM_CAP_PPC_FIXUP_HCALL 103
788 #define KVM_CAP_PPC_ENABLE_HCALL 104
789 #define KVM_CAP_CHECK_EXTENSION_VM 105
790 #define KVM_CAP_S390_USER_SIGP 106
791 #define KVM_CAP_S390_VECTOR_REGISTERS 107
792 #define KVM_CAP_S390_MEM_OP 108
793 #define KVM_CAP_S390_USER_STSI 109
794 #define KVM_CAP_S390_SKEYS 110
795 #define KVM_CAP_MIPS_FPU 111
796 #define KVM_CAP_MIPS_MSA 112
797 #define KVM_CAP_S390_INJECT_IRQ 113
798 #define KVM_CAP_S390_IRQ_STATE 114
799 #define KVM_CAP_PPC_HWRNG 115
800 #define KVM_CAP_DISABLE_QUIRKS 116
801 #define KVM_CAP_X86_SMM 117
802 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
803 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
804 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
805 #define KVM_CAP_SPLIT_IRQCHIP 121
806 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
807 #define KVM_CAP_HYPERV_SYNIC 123
808 #define KVM_CAP_S390_RI 124
809 #define KVM_CAP_SPAPR_TCE_64 125
810 #define KVM_CAP_ARM_PMU_V3 126
811 #define KVM_CAP_VCPU_ATTRIBUTES 127
812 #define KVM_CAP_MAX_VCPU_ID 128
813 #define KVM_CAP_X2APIC_API 129
814 #define KVM_CAP_S390_USER_INSTR0 130
815 #define KVM_CAP_MSI_DEVID 131
816 #define KVM_CAP_PPC_HTM 132
817 #define KVM_CAP_SPAPR_RESIZE_HPT 133
818 #define KVM_CAP_PPC_MMU_RADIX 134
819 #define KVM_CAP_PPC_MMU_HASH_V3 135
820 #define KVM_CAP_IMMEDIATE_EXIT 136
821 #define KVM_CAP_MIPS_VZ 137
822 #define KVM_CAP_MIPS_TE 138
823 #define KVM_CAP_MIPS_64BIT 139
824 #define KVM_CAP_S390_GS 140
825 #define KVM_CAP_S390_AIS 141
826 #define KVM_CAP_SPAPR_TCE_VFIO 142
827 #define KVM_CAP_X86_DISABLE_EXITS 143
828 #define KVM_CAP_ARM_USER_IRQ 144
829 #define KVM_CAP_S390_CMMA_MIGRATION 145
830 #define KVM_CAP_PPC_FWNMI 146
831 #define KVM_CAP_PPC_SMT_POSSIBLE 147
832 #define KVM_CAP_HYPERV_SYNIC2 148
833 #define KVM_CAP_HYPERV_VP_INDEX 149
834 #define KVM_CAP_S390_AIS_MIGRATION 150
835 #define KVM_CAP_PPC_GET_CPU_CHAR 151
836 #define KVM_CAP_S390_BPB 152
837 #define KVM_CAP_GET_MSR_FEATURES 153
838 #define KVM_CAP_HYPERV_EVENTFD 154
839 #define KVM_CAP_HYPERV_TLBFLUSH 155
840 #define KVM_CAP_S390_HPAGE_1M 156
841 #define KVM_CAP_NESTED_STATE 157
842 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
843 #define KVM_CAP_MSR_PLATFORM_INFO 159
844 #define KVM_CAP_PPC_NESTED_HV 160
845 #define KVM_CAP_HYPERV_SEND_IPI 161
846 #define KVM_CAP_COALESCED_PIO 162
847 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
848 #define KVM_CAP_EXCEPTION_PAYLOAD 164
849 #define KVM_CAP_ARM_VM_IPA_SIZE 165
850 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
851 #define KVM_CAP_HYPERV_CPUID 167
852 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
853 #define KVM_CAP_PPC_IRQ_XIVE 169
854 #define KVM_CAP_ARM_SVE 170
855 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
856 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172
857 #define KVM_CAP_PMU_EVENT_FILTER 173
858 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
859 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
860 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
861 #define KVM_CAP_ARM_NISV_TO_USER 177
862 #define KVM_CAP_ARM_INJECT_EXT_DABT 178
863 #define KVM_CAP_S390_VCPU_RESETS 179
864 #define KVM_CAP_S390_PROTECTED 180
865 #define KVM_CAP_PPC_SECURE_GUEST 181
866 #define KVM_CAP_HALT_POLL 182
867 #define KVM_CAP_ASYNC_PF_INT 183
868 #define KVM_CAP_LAST_CPU 184
869 #define KVM_CAP_SMALLER_MAXPHYADDR 185
870 #define KVM_CAP_S390_DIAG318 186
871 #define KVM_CAP_STEAL_TIME 187
872 #define KVM_CAP_X86_USER_SPACE_MSR 188
873 #define KVM_CAP_X86_MSR_FILTER 189
874 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
875 #define KVM_CAP_SYS_HYPERV_CPUID 191
876 #define KVM_CAP_DIRTY_LOG_RING 192
877 #define KVM_CAP_X86_BUS_LOCK_EXIT 193
878 #define KVM_CAP_PPC_DAWR1 194
879 #define KVM_CAP_SET_GUEST_DEBUG2 195
880 #define KVM_CAP_SGX_ATTRIBUTE 196
881 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
882 #define KVM_CAP_PTP_KVM 198
883 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199
884 #define KVM_CAP_SREGS2 200
885 #define KVM_CAP_EXIT_HYPERCALL 201
886 #define KVM_CAP_PPC_RPT_INVALIDATE 202
887 #define KVM_CAP_BINARY_STATS_FD 203
888 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
889 #define KVM_CAP_ARM_MTE 205
890 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
891 #define KVM_CAP_VM_GPA_BITS 207
892 #define KVM_CAP_XSAVE2 208
893 #define KVM_CAP_SYS_ATTRIBUTES 209
894 #define KVM_CAP_PPC_AIL_MODE_3 210
895 #define KVM_CAP_S390_MEM_OP_EXTENSION 211
896 #define KVM_CAP_PMU_CAPABILITY 212
897 #define KVM_CAP_DISABLE_QUIRKS2 213
898 #define KVM_CAP_VM_TSC_CONTROL 214
899 #define KVM_CAP_SYSTEM_EVENT_DATA 215
900 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216
901 #define KVM_CAP_S390_PROTECTED_DUMP 217
902 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218
903 #define KVM_CAP_X86_NOTIFY_VMEXIT 219
904 #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220
905 #define KVM_CAP_S390_ZPCI_OP 221
906 #define KVM_CAP_S390_CPU_TOPOLOGY 222
907 #define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223
908 #define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224
909 #define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225
910 #define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226
911 #define KVM_CAP_COUNTER_OFFSET 227
912 #define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228
913 #define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229
914 #define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230
915 #define KVM_CAP_USER_MEMORY2 231
916 #define KVM_CAP_MEMORY_FAULT_INFO 232
917 #define KVM_CAP_MEMORY_ATTRIBUTES 233
918 #define KVM_CAP_GUEST_MEMFD 234
919 #define KVM_CAP_VM_TYPES 235
921 struct kvm_irq_routing_irqchip {
926 struct kvm_irq_routing_msi {
936 struct kvm_irq_routing_s390_adapter {
940 __u32 summary_offset;
944 struct kvm_irq_routing_hv_sint {
949 struct kvm_irq_routing_xen_evtchn {
955 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
957 /* gsi routing entry types */
958 #define KVM_IRQ_ROUTING_IRQCHIP 1
959 #define KVM_IRQ_ROUTING_MSI 2
960 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
961 #define KVM_IRQ_ROUTING_HV_SINT 4
962 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5
964 struct kvm_irq_routing_entry {
970 struct kvm_irq_routing_irqchip irqchip;
971 struct kvm_irq_routing_msi msi;
972 struct kvm_irq_routing_s390_adapter adapter;
973 struct kvm_irq_routing_hv_sint hv_sint;
974 struct kvm_irq_routing_xen_evtchn xen_evtchn;
979 struct kvm_irq_routing {
982 struct kvm_irq_routing_entry entries[];
985 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
987 * Available with KVM_CAP_IRQFD_RESAMPLE
989 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
990 * the irqfd to operate in resampling mode for level triggered interrupt
991 * emulation. See Documentation/virt/kvm/api.rst.
993 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1003 /* For KVM_CAP_ADJUST_CLOCK */
1005 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */
1006 #define KVM_CLOCK_TSC_STABLE 2
1007 #define KVM_CLOCK_REALTIME (1 << 2)
1008 #define KVM_CLOCK_HOST_TSC (1 << 3)
1010 struct kvm_clock_data {
1019 /* For KVM_CAP_SW_TLB */
1021 #define KVM_MMU_FSL_BOOKE_NOHV 0
1022 #define KVM_MMU_FSL_BOOKE_HV 1
1024 struct kvm_config_tlb {
1031 struct kvm_dirty_tlb {
1036 /* Available with KVM_CAP_ONE_REG */
1038 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL
1039 #define KVM_REG_GENERIC 0x0000000000000000ULL
1042 * Architecture specific registers are to be defined in arch headers and
1043 * ORed with the arch identifier.
1045 #define KVM_REG_PPC 0x1000000000000000ULL
1046 #define KVM_REG_X86 0x2000000000000000ULL
1047 #define KVM_REG_IA64 0x3000000000000000ULL
1048 #define KVM_REG_ARM 0x4000000000000000ULL
1049 #define KVM_REG_S390 0x5000000000000000ULL
1050 #define KVM_REG_ARM64 0x6000000000000000ULL
1051 #define KVM_REG_MIPS 0x7000000000000000ULL
1052 #define KVM_REG_RISCV 0x8000000000000000ULL
1053 #define KVM_REG_LOONGARCH 0x9000000000000000ULL
1055 #define KVM_REG_SIZE_SHIFT 52
1056 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
1057 #define KVM_REG_SIZE_U8 0x0000000000000000ULL
1058 #define KVM_REG_SIZE_U16 0x0010000000000000ULL
1059 #define KVM_REG_SIZE_U32 0x0020000000000000ULL
1060 #define KVM_REG_SIZE_U64 0x0030000000000000ULL
1061 #define KVM_REG_SIZE_U128 0x0040000000000000ULL
1062 #define KVM_REG_SIZE_U256 0x0050000000000000ULL
1063 #define KVM_REG_SIZE_U512 0x0060000000000000ULL
1064 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL
1065 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL
1067 struct kvm_reg_list {
1068 __u64 n; /* number of regs */
1072 struct kvm_one_reg {
1077 #define KVM_MSI_VALID_DEVID (1U << 0)
1087 struct kvm_arm_device_addr {
1093 * Device control API, available with KVM_CAP_DEVICE_CTRL
1095 #define KVM_CREATE_DEVICE_TEST 1
1097 struct kvm_create_device {
1098 __u32 type; /* in: KVM_DEV_TYPE_xxx */
1099 __u32 fd; /* out: device handle */
1100 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */
1103 struct kvm_device_attr {
1104 __u32 flags; /* no flags currently defined */
1105 __u32 group; /* device-defined */
1106 __u64 attr; /* group-defined */
1107 __u64 addr; /* userspace address of attr data */
1110 #define KVM_DEV_VFIO_FILE 1
1112 #define KVM_DEV_VFIO_FILE_ADD 1
1113 #define KVM_DEV_VFIO_FILE_DEL 2
1115 /* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */
1116 #define KVM_DEV_VFIO_GROUP KVM_DEV_VFIO_FILE
1118 #define KVM_DEV_VFIO_GROUP_ADD KVM_DEV_VFIO_FILE_ADD
1119 #define KVM_DEV_VFIO_GROUP_DEL KVM_DEV_VFIO_FILE_DEL
1120 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
1122 enum kvm_device_type {
1123 KVM_DEV_TYPE_FSL_MPIC_20 = 1,
1124 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1125 KVM_DEV_TYPE_FSL_MPIC_42,
1126 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1128 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1130 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1131 KVM_DEV_TYPE_ARM_VGIC_V2,
1132 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1134 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1135 KVM_DEV_TYPE_ARM_VGIC_V3,
1136 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1137 KVM_DEV_TYPE_ARM_VGIC_ITS,
1138 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
1140 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE
1141 KVM_DEV_TYPE_ARM_PV_TIME,
1142 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME
1143 KVM_DEV_TYPE_RISCV_AIA,
1144 #define KVM_DEV_TYPE_RISCV_AIA KVM_DEV_TYPE_RISCV_AIA
1148 struct kvm_vfio_spapr_tce {
1154 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1157 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1158 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1159 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1160 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */
1161 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1162 struct kvm_userspace_memory_region)
1163 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1164 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1165 #define KVM_SET_USER_MEMORY_REGION2 _IOW(KVMIO, 0x49, \
1166 struct kvm_userspace_memory_region2)
1168 /* enable ucontrol for s390 */
1169 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1170 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1171 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1173 /* Device model IOC */
1174 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1175 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1176 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1177 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1178 #define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1179 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1180 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1181 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1182 #define KVM_REGISTER_COALESCED_MMIO \
1183 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1184 #define KVM_UNREGISTER_COALESCED_MMIO \
1185 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1186 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1187 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1188 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1189 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1190 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1191 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1192 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1193 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1194 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1195 /* Available with KVM_CAP_PIT_STATE2 */
1196 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1197 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1198 /* Available with KVM_CAP_PPC_GET_PVINFO */
1199 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1200 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with
1201 * KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */
1202 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1203 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1204 /* Available with KVM_CAP_SIGNAL_MSI */
1205 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1206 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1207 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1208 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1209 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1210 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1211 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
1212 struct kvm_create_spapr_tce_64)
1213 /* Available with KVM_CAP_RMA */
1214 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1215 /* Available with KVM_CAP_PPC_HTAB_FD */
1216 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1217 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1218 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1219 /* Available with KVM_CAP_PPC_RTAS */
1220 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1221 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1222 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1223 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1224 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1225 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
1226 /* Available with KVM_CAP_PPC_RADIX_MMU */
1227 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
1228 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1229 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char)
1230 /* Available with KVM_CAP_PMU_EVENT_FILTER */
1231 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
1232 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
1233 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags)
1234 /* Available with KVM_CAP_COUNTER_OFFSET */
1235 #define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset)
1236 #define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO, 0xb6, struct reg_mask_range)
1238 /* ioctl for vm fd */
1239 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1241 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1242 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1243 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1244 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1247 * ioctls for vcpu fds
1249 #define KVM_RUN _IO(KVMIO, 0x80)
1250 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1251 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1252 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1253 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1254 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1255 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1256 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1257 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1258 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1259 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1260 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1261 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1262 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1263 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1264 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1265 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1266 /* Available with KVM_CAP_VAPIC */
1267 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1268 /* Available with KVM_CAP_VAPIC */
1269 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1270 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1271 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1272 /* store status for s390 */
1273 #define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1274 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1275 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1276 /* initial ipl psw for s390 */
1277 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1278 /* initial reset for s390 */
1279 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1280 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1281 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1282 /* Available with KVM_CAP_USER_NMI */
1283 #define KVM_NMI _IO(KVMIO, 0x9a)
1284 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1285 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1287 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1288 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1289 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1290 /* Available with KVM_CAP_VCPU_EVENTS */
1291 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1292 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1293 /* Available with KVM_CAP_DEBUGREGS */
1294 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1295 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1297 * vcpu version available with KVM_CAP_ENABLE_CAP
1298 * vm version available with KVM_CAP_ENABLE_CAP_VM
1300 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1301 /* Available with KVM_CAP_XSAVE */
1302 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1303 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1304 /* Available with KVM_CAP_XCRS */
1305 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1306 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1307 /* Available with KVM_CAP_SW_TLB */
1308 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1309 /* Available with KVM_CAP_ONE_REG */
1310 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1311 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1312 /* VM is being stopped by host */
1313 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1314 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1315 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1316 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1317 /* Available with KVM_CAP_S390_MEM_OP */
1318 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1319 /* Available with KVM_CAP_S390_SKEYS */
1320 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1321 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1322 /* Available with KVM_CAP_S390_INJECT_IRQ */
1323 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1324 /* Available with KVM_CAP_S390_IRQ_STATE */
1325 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1326 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1327 /* Available with KVM_CAP_X86_SMM */
1328 #define KVM_SMI _IO(KVMIO, 0xb7)
1329 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1330 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1331 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1332 /* Memory Encryption Commands */
1333 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
1335 struct kvm_enc_region {
1340 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1341 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1343 /* Available with KVM_CAP_HYPERV_EVENTFD */
1344 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
1346 /* Available with KVM_CAP_NESTED_STATE */
1347 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1348 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state)
1350 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1351 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1353 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1354 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1356 /* Available with KVM_CAP_ARM_SVE */
1357 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int)
1359 /* Available with KVM_CAP_S390_VCPU_RESETS */
1360 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3)
1361 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4)
1363 /* Available with KVM_CAP_S390_PROTECTED */
1364 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1366 /* Available with KVM_CAP_X86_MSR_FILTER */
1367 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter)
1369 /* Available with KVM_CAP_DIRTY_LOG_RING */
1370 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7)
1372 /* Per-VM Xen attributes */
1373 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1374 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr)
1376 /* Per-vCPU Xen attributes */
1377 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1378 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr)
1380 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1381 #define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn)
1383 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2)
1384 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2)
1386 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
1387 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1)
1390 * Arch needs to define the macro after implementing the dirty ring
1391 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
1392 * starting page offset of the dirty ring structures.
1394 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET
1395 #define KVM_DIRTY_LOG_PAGE_OFFSET 0
1399 * KVM dirty GFN flags, defined as:
1401 * |---------------+---------------+--------------|
1402 * | bit 1 (reset) | bit 0 (dirty) | Status |
1403 * |---------------+---------------+--------------|
1404 * | 0 | 0 | Invalid GFN |
1405 * | 0 | 1 | Dirty GFN |
1406 * | 1 | X | GFN to reset |
1407 * |---------------+---------------+--------------|
1409 * Lifecycle of a dirty GFN goes like:
1411 * dirtied harvested reset
1412 * 00 -----------> 01 -------------> 1X -------+
1415 * +------------------------------------------+
1417 * The userspace program is only responsible for the 01->1X state
1418 * conversion after harvesting an entry. Also, it must not skip any
1419 * dirty bits, so that dirty bits are always harvested in sequence.
1421 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0)
1422 #define KVM_DIRTY_GFN_F_RESET _BITUL(1)
1423 #define KVM_DIRTY_GFN_F_MASK 0x3
1426 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
1427 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The
1428 * size of the gfn buffer is decided by the first argument when
1429 * enabling KVM_CAP_DIRTY_LOG_RING.
1431 struct kvm_dirty_gfn {
1437 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0)
1438 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1)
1440 #define KVM_PMU_CAP_DISABLE (1 << 0)
1443 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
1444 * @flags: Some extra information for header, always 0 for now.
1445 * @name_size: The size in bytes of the memory which contains statistics
1446 * name string including trailing '\0'. The memory is allocated
1447 * at the send of statistics descriptor.
1448 * @num_desc: The number of statistics the vm or vcpu has.
1449 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
1450 * by vm/vcpu stats fd.
1451 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
1452 * pointd by vm/vcpu stats fd.
1453 * @data_offset: The offset of the vm/vcpu stats' data block in the file
1454 * pointed by vm/vcpu stats fd.
1456 * This is the header userspace needs to read from stats fd before any other
1457 * readings. It is used by userspace to discover all the information about the
1458 * vm/vcpu's binary statistics.
1459 * Userspace reads this header from the start of the vm/vcpu's stats fd.
1461 struct kvm_stats_header {
1470 #define KVM_STATS_TYPE_SHIFT 0
1471 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT)
1472 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT)
1473 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT)
1474 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT)
1475 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT)
1476 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT)
1477 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST
1479 #define KVM_STATS_UNIT_SHIFT 4
1480 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT)
1481 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT)
1482 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT)
1483 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT)
1484 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT)
1485 #define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT)
1486 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN
1488 #define KVM_STATS_BASE_SHIFT 8
1489 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT)
1490 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT)
1491 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT)
1492 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2
1495 * struct kvm_stats_desc - Descriptor of a KVM statistics.
1496 * @flags: Annotations of the stats, like type, unit, etc.
1497 * @exponent: Used together with @flags to determine the unit.
1498 * @size: The number of data items for this stats.
1499 * Every data item is of type __u64.
1500 * @offset: The offset of the stats to the start of stat structure in
1501 * structure kvm or kvm_vcpu.
1502 * @bucket_size: A parameter value used for histogram stats. It is only used
1503 * for linear histogram stats, specifying the size of the bucket;
1504 * @name: The name string for the stats. Its size is indicated by the
1505 * &kvm_stats_header->name_size.
1507 struct kvm_stats_desc {
1516 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce)
1518 /* Available with KVM_CAP_XSAVE2 */
1519 #define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave)
1521 /* Available with KVM_CAP_S390_PROTECTED_DUMP */
1522 #define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd)
1524 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */
1525 #define KVM_X86_NOTIFY_VMEXIT_ENABLED (1ULL << 0)
1526 #define KVM_X86_NOTIFY_VMEXIT_USER (1ULL << 1)
1528 /* Available with KVM_CAP_S390_ZPCI_OP */
1529 #define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op)
1531 /* Available with KVM_CAP_MEMORY_ATTRIBUTES */
1532 #define KVM_SET_MEMORY_ATTRIBUTES _IOW(KVMIO, 0xd2, struct kvm_memory_attributes)
1534 struct kvm_memory_attributes {
1541 #define KVM_MEMORY_ATTRIBUTE_PRIVATE (1ULL << 3)
1543 #define KVM_CREATE_GUEST_MEMFD _IOWR(KVMIO, 0xd4, struct kvm_create_guest_memfd)
1545 struct kvm_create_guest_memfd {
1551 #endif /* __LINUX_KVM_H */