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 /* for KVM_SET_USER_MEMORY_REGION */
20 struct kvm_userspace_memory_region {
23 __u64 guest_phys_addr;
24 __u64 memory_size; /* bytes */
25 __u64 userspace_addr; /* start of the userspace allocated memory */
28 /* for KVM_SET_USER_MEMORY_REGION2 */
29 struct kvm_userspace_memory_region2 {
32 __u64 guest_phys_addr;
35 __u64 guest_memfd_offset;
42 * The bit 0 ~ bit 15 of kvm_userspace_memory_region::flags are visible for
43 * userspace, other bits are reserved for kvm internal use which are defined
44 * in include/linux/kvm_host.h.
46 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
47 #define KVM_MEM_READONLY (1UL << 1)
48 #define KVM_MEM_GUEST_MEMFD (1UL << 2)
50 /* for KVM_IRQ_LINE */
51 struct kvm_irq_level {
53 * ACPI gsi notion of irq.
54 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
55 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
56 * For ARM: See Documentation/virt/kvm/api.rst
70 char dummy[512]; /* reserving space */
72 struct kvm_pic_state pic;
74 #ifdef __KVM_HAVE_IOAPIC
75 struct kvm_ioapic_state ioapic;
80 /* for KVM_CREATE_PIT2 */
81 struct kvm_pit_config {
86 #define KVM_PIT_SPEAKER_DUMMY 1
88 struct kvm_s390_skeys {
96 #define KVM_S390_CMMA_PEEK (1 << 0)
99 * kvm_s390_cmma_log - Used for CMMA migration.
101 * Used both for input and output.
103 * @start_gfn: Guest page number to start from.
104 * @count: Size of the result buffer.
105 * @flags: Control operation mode via KVM_S390_CMMA_* flags
106 * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
107 * pages are still remaining.
108 * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
110 * @values: Pointer to the values buffer.
112 * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
114 struct kvm_s390_cmma_log {
125 struct kvm_hyperv_exit {
126 #define KVM_EXIT_HYPERV_SYNIC 1
127 #define KVM_EXIT_HYPERV_HCALL 2
128 #define KVM_EXIT_HYPERV_SYNDBG 3
156 struct kvm_xen_exit {
157 #define KVM_EXIT_XEN_HCALL 1
170 #define KVM_S390_GET_SKEYS_NONE 1
171 #define KVM_S390_SKEYS_MAX 1048576
173 #define KVM_EXIT_UNKNOWN 0
174 #define KVM_EXIT_EXCEPTION 1
175 #define KVM_EXIT_IO 2
176 #define KVM_EXIT_HYPERCALL 3
177 #define KVM_EXIT_DEBUG 4
178 #define KVM_EXIT_HLT 5
179 #define KVM_EXIT_MMIO 6
180 #define KVM_EXIT_IRQ_WINDOW_OPEN 7
181 #define KVM_EXIT_SHUTDOWN 8
182 #define KVM_EXIT_FAIL_ENTRY 9
183 #define KVM_EXIT_INTR 10
184 #define KVM_EXIT_SET_TPR 11
185 #define KVM_EXIT_TPR_ACCESS 12
186 #define KVM_EXIT_S390_SIEIC 13
187 #define KVM_EXIT_S390_RESET 14
188 #define KVM_EXIT_DCR 15 /* deprecated */
189 #define KVM_EXIT_NMI 16
190 #define KVM_EXIT_INTERNAL_ERROR 17
191 #define KVM_EXIT_OSI 18
192 #define KVM_EXIT_PAPR_HCALL 19
193 #define KVM_EXIT_S390_UCONTROL 20
194 #define KVM_EXIT_WATCHDOG 21
195 #define KVM_EXIT_S390_TSCH 22
196 #define KVM_EXIT_EPR 23
197 #define KVM_EXIT_SYSTEM_EVENT 24
198 #define KVM_EXIT_S390_STSI 25
199 #define KVM_EXIT_IOAPIC_EOI 26
200 #define KVM_EXIT_HYPERV 27
201 #define KVM_EXIT_ARM_NISV 28
202 #define KVM_EXIT_X86_RDMSR 29
203 #define KVM_EXIT_X86_WRMSR 30
204 #define KVM_EXIT_DIRTY_RING_FULL 31
205 #define KVM_EXIT_AP_RESET_HOLD 32
206 #define KVM_EXIT_X86_BUS_LOCK 33
207 #define KVM_EXIT_XEN 34
208 #define KVM_EXIT_RISCV_SBI 35
209 #define KVM_EXIT_RISCV_CSR 36
210 #define KVM_EXIT_NOTIFY 37
211 #define KVM_EXIT_LOONGARCH_IOCSR 38
212 #define KVM_EXIT_MEMORY_FAULT 39
214 /* For KVM_EXIT_INTERNAL_ERROR */
215 /* Emulate instruction failed. */
216 #define KVM_INTERNAL_ERROR_EMULATION 1
217 /* Encounter unexpected simultaneous exceptions. */
218 #define KVM_INTERNAL_ERROR_SIMUL_EX 2
219 /* Encounter unexpected vm-exit due to delivery event. */
220 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3
221 /* Encounter unexpected vm-exit reason */
222 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4
224 /* Flags that describe what fields in emulation_failure hold valid data. */
225 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
227 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
230 __u8 request_interrupt_window;
236 __u8 ready_for_interrupt_injection;
240 /* in (pre_kvm_run), out (post_kvm_run) */
245 /* the processor status word for s390 */
246 __u64 psw_mask; /* psw upper half */
247 __u64 psw_addr; /* psw lower half */
250 /* KVM_EXIT_UNKNOWN */
252 __u64 hardware_exit_reason;
254 /* KVM_EXIT_FAIL_ENTRY */
256 __u64 hardware_entry_failure_reason;
259 /* KVM_EXIT_EXCEPTION */
266 #define KVM_EXIT_IO_IN 0
267 #define KVM_EXIT_IO_OUT 1
269 __u8 size; /* bytes */
272 __u64 data_offset; /* relative to kvm_run start */
276 struct kvm_debug_exit_arch arch;
285 /* KVM_EXIT_LOONGARCH_IOCSR */
292 /* KVM_EXIT_HYPERCALL */
305 /* KVM_EXIT_TPR_ACCESS */
311 /* KVM_EXIT_S390_SIEIC */
317 /* KVM_EXIT_S390_RESET */
318 #define KVM_S390_RESET_POR 1
319 #define KVM_S390_RESET_CLEAR 2
320 #define KVM_S390_RESET_SUBSYSTEM 4
321 #define KVM_S390_RESET_CPU_INIT 8
322 #define KVM_S390_RESET_IPL 16
323 __u64 s390_reset_flags;
324 /* KVM_EXIT_S390_UCONTROL */
326 __u64 trans_exc_code;
329 /* KVM_EXIT_DCR (deprecated) */
335 /* KVM_EXIT_INTERNAL_ERROR */
338 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
343 * KVM_INTERNAL_ERROR_EMULATION
345 * "struct emulation_failure" is an overlay of "struct internal"
346 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
347 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error
348 * sub-types, this struct is ABI! It also needs to be backwards
349 * compatible with "struct internal". Take special care that
350 * "ndata" is correct, that new fields are enumerated in "flags",
351 * and that each flag enumerates fields that are 64-bit aligned
352 * and sized (so that ndata+internal.data[] is valid/accurate).
354 * Space beyond the defined fields may be used to store arbitrary
355 * debug information relating to the emulation failure. It is
356 * accounted for in "ndata" but the format is unspecified and is
357 * not represented in "flags". Any such information is *not* ABI!
369 /* Arbitrary debug data may follow. */
375 /* KVM_EXIT_PAPR_HCALL */
381 /* KVM_EXIT_S390_TSCH */
394 /* KVM_EXIT_SYSTEM_EVENT */
396 #define KVM_SYSTEM_EVENT_SHUTDOWN 1
397 #define KVM_SYSTEM_EVENT_RESET 2
398 #define KVM_SYSTEM_EVENT_CRASH 3
399 #define KVM_SYSTEM_EVENT_WAKEUP 4
400 #define KVM_SYSTEM_EVENT_SUSPEND 5
401 #define KVM_SYSTEM_EVENT_SEV_TERM 6
411 /* KVM_EXIT_S390_STSI */
420 /* KVM_EXIT_IOAPIC_EOI */
424 /* KVM_EXIT_HYPERV */
425 struct kvm_hyperv_exit hyperv;
426 /* KVM_EXIT_ARM_NISV */
431 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
433 __u8 error; /* user -> kernel */
435 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0)
436 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1)
437 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2)
438 #define KVM_MSR_EXIT_REASON_VALID_MASK (KVM_MSR_EXIT_REASON_INVAL | \
439 KVM_MSR_EXIT_REASON_UNKNOWN | \
440 KVM_MSR_EXIT_REASON_FILTER)
441 __u32 reason; /* kernel -> user */
442 __u32 index; /* kernel -> user */
443 __u64 data; /* kernel <-> user */
446 struct kvm_xen_exit xen;
447 /* KVM_EXIT_RISCV_SBI */
449 unsigned long extension_id;
450 unsigned long function_id;
451 unsigned long args[6];
452 unsigned long ret[2];
454 /* KVM_EXIT_RISCV_CSR */
456 unsigned long csr_num;
457 unsigned long new_value;
458 unsigned long write_mask;
459 unsigned long ret_value;
461 /* KVM_EXIT_NOTIFY */
463 #define KVM_NOTIFY_CONTEXT_INVALID (1 << 0)
466 /* KVM_EXIT_MEMORY_FAULT */
468 #define KVM_MEMORY_EXIT_FLAG_PRIVATE (1ULL << 3)
473 /* Fix the size of the union. */
477 /* 2048 is the size of the char array used to bound/pad the size
478 * of the union that holds sync regs.
480 #define SYNC_REGS_SIZE_BYTES 2048
482 * shared registers between kvm and userspace.
483 * kvm_valid_regs specifies the register classes set by the host
484 * kvm_dirty_regs specified the register classes dirtied by userspace
485 * struct kvm_sync_regs is architecture specific, as well as the
486 * bits for kvm_valid_regs and kvm_dirty_regs
488 __u64 kvm_valid_regs;
489 __u64 kvm_dirty_regs;
491 struct kvm_sync_regs regs;
492 char padding[SYNC_REGS_SIZE_BYTES];
496 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
498 struct kvm_coalesced_mmio_zone {
507 struct kvm_coalesced_mmio {
517 struct kvm_coalesced_mmio_ring {
519 struct kvm_coalesced_mmio coalesced_mmio[];
522 #define KVM_COALESCED_MMIO_MAX \
523 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
524 sizeof(struct kvm_coalesced_mmio))
526 /* for KVM_TRANSLATE */
527 struct kvm_translation {
529 __u64 linear_address;
532 __u64 physical_address;
539 /* for KVM_S390_MEM_OP */
540 struct kvm_s390_mem_op {
542 __u64 gaddr; /* the guest address */
543 __u64 flags; /* flags */
544 __u32 size; /* amount of bytes */
545 __u32 op; /* type of operation */
546 __u64 buf; /* buffer in userspace */
549 __u8 ar; /* the access register number */
550 __u8 key; /* access key, ignored if flag unset */
551 __u8 pad1[6]; /* ignored */
552 __u64 old_addr; /* ignored if cmpxchg flag unset */
554 __u32 sida_offset; /* offset into the sida */
555 __u8 reserved[32]; /* ignored */
558 /* types for kvm_s390_mem_op->op */
559 #define KVM_S390_MEMOP_LOGICAL_READ 0
560 #define KVM_S390_MEMOP_LOGICAL_WRITE 1
561 #define KVM_S390_MEMOP_SIDA_READ 2
562 #define KVM_S390_MEMOP_SIDA_WRITE 3
563 #define KVM_S390_MEMOP_ABSOLUTE_READ 4
564 #define KVM_S390_MEMOP_ABSOLUTE_WRITE 5
565 #define KVM_S390_MEMOP_ABSOLUTE_CMPXCHG 6
567 /* flags for kvm_s390_mem_op->flags */
568 #define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
569 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
570 #define KVM_S390_MEMOP_F_SKEY_PROTECTION (1ULL << 2)
572 /* flags specifying extension support via KVM_CAP_S390_MEM_OP_EXTENSION */
573 #define KVM_S390_MEMOP_EXTENSION_CAP_BASE (1 << 0)
574 #define KVM_S390_MEMOP_EXTENSION_CAP_CMPXCHG (1 << 1)
576 /* for KVM_INTERRUPT */
577 struct kvm_interrupt {
582 /* for KVM_GET_DIRTY_LOG */
583 struct kvm_dirty_log {
587 void __user *dirty_bitmap; /* one bit per page */
592 /* for KVM_CLEAR_DIRTY_LOG */
593 struct kvm_clear_dirty_log {
598 void __user *dirty_bitmap; /* one bit per page */
603 /* for KVM_SET_SIGNAL_MASK */
604 struct kvm_signal_mask {
609 /* for KVM_TPR_ACCESS_REPORTING */
610 struct kvm_tpr_access_ctl {
616 /* for KVM_SET_VAPIC_ADDR */
617 struct kvm_vapic_addr {
621 /* for KVM_SET_MP_STATE */
623 /* not all states are valid on all architectures */
624 #define KVM_MP_STATE_RUNNABLE 0
625 #define KVM_MP_STATE_UNINITIALIZED 1
626 #define KVM_MP_STATE_INIT_RECEIVED 2
627 #define KVM_MP_STATE_HALTED 3
628 #define KVM_MP_STATE_SIPI_RECEIVED 4
629 #define KVM_MP_STATE_STOPPED 5
630 #define KVM_MP_STATE_CHECK_STOP 6
631 #define KVM_MP_STATE_OPERATING 7
632 #define KVM_MP_STATE_LOAD 8
633 #define KVM_MP_STATE_AP_RESET_HOLD 9
634 #define KVM_MP_STATE_SUSPENDED 10
636 struct kvm_mp_state {
640 struct kvm_s390_psw {
645 /* valid values for type in kvm_s390_interrupt */
646 #define KVM_S390_SIGP_STOP 0xfffe0000u
647 #define KVM_S390_PROGRAM_INT 0xfffe0001u
648 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
649 #define KVM_S390_RESTART 0xfffe0003u
650 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
651 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
652 #define KVM_S390_MCHK 0xfffe1000u
653 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u
654 #define KVM_S390_INT_CPU_TIMER 0xffff1005u
655 #define KVM_S390_INT_VIRTIO 0xffff2603u
656 #define KVM_S390_INT_SERVICE 0xffff2401u
657 #define KVM_S390_INT_EMERGENCY 0xffff1201u
658 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
659 /* Anything below 0xfffe0000u is taken by INT_IO */
660 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
665 #define KVM_S390_INT_IO_MIN 0x00000000u
666 #define KVM_S390_INT_IO_MAX 0xfffdffffu
667 #define KVM_S390_INT_IO_AI_MASK 0x04000000u
670 struct kvm_s390_interrupt {
676 struct kvm_s390_io_info {
683 struct kvm_s390_ext_info {
689 struct kvm_s390_pgm_info {
690 __u64 trans_exc_code;
701 #define KVM_S390_PGM_FLAGS_ILC_VALID 0x01
702 #define KVM_S390_PGM_FLAGS_ILC_0 0x02
703 #define KVM_S390_PGM_FLAGS_ILC_1 0x04
704 #define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
705 #define KVM_S390_PGM_FLAGS_NO_REWIND 0x08
710 struct kvm_s390_prefix_info {
714 struct kvm_s390_extcall_info {
718 struct kvm_s390_emerg_info {
722 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
723 struct kvm_s390_stop_info {
727 struct kvm_s390_mchk_info {
730 __u64 failing_storage_address;
731 __u32 ext_damage_code;
733 __u8 fixed_logout[16];
736 struct kvm_s390_irq {
739 struct kvm_s390_io_info io;
740 struct kvm_s390_ext_info ext;
741 struct kvm_s390_pgm_info pgm;
742 struct kvm_s390_emerg_info emerg;
743 struct kvm_s390_extcall_info extcall;
744 struct kvm_s390_prefix_info prefix;
745 struct kvm_s390_stop_info stop;
746 struct kvm_s390_mchk_info mchk;
751 struct kvm_s390_irq_state {
753 __u32 flags; /* will stay unused for compatibility reasons */
755 __u32 reserved[4]; /* will stay unused for compatibility reasons */
758 /* for KVM_SET_GUEST_DEBUG */
760 #define KVM_GUESTDBG_ENABLE 0x00000001
761 #define KVM_GUESTDBG_SINGLESTEP 0x00000002
763 struct kvm_guest_debug {
766 struct kvm_guest_debug_arch arch;
770 kvm_ioeventfd_flag_nr_datamatch,
771 kvm_ioeventfd_flag_nr_pio,
772 kvm_ioeventfd_flag_nr_deassign,
773 kvm_ioeventfd_flag_nr_virtio_ccw_notify,
774 kvm_ioeventfd_flag_nr_fast_mmio,
775 kvm_ioeventfd_flag_nr_max,
778 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
779 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
780 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
781 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
782 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
784 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
786 struct kvm_ioeventfd {
788 __u64 addr; /* legal pio/mmio address */
789 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
795 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0)
796 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
797 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
798 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3)
799 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \
800 KVM_X86_DISABLE_EXITS_HLT | \
801 KVM_X86_DISABLE_EXITS_PAUSE | \
802 KVM_X86_DISABLE_EXITS_CSTATE)
804 /* for KVM_ENABLE_CAP */
805 struct kvm_enable_cap {
813 /* for KVM_PPC_GET_PVINFO */
815 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
817 struct kvm_ppc_pvinfo {
824 /* for KVM_PPC_GET_SMMU_INFO */
825 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8
827 struct kvm_ppc_one_page_size {
828 __u32 page_shift; /* Page shift (or 0) */
829 __u32 pte_enc; /* Encoding in the HPTE (>>12) */
832 struct kvm_ppc_one_seg_page_size {
833 __u32 page_shift; /* Base page shift of segment (or 0) */
834 __u32 slb_enc; /* SLB encoding for BookS */
835 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
838 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001
839 #define KVM_PPC_1T_SEGMENTS 0x00000002
840 #define KVM_PPC_NO_HASH 0x00000004
842 struct kvm_ppc_smmu_info {
845 __u16 data_keys; /* # storage keys supported for data */
846 __u16 instr_keys; /* # storage keys supported for instructions */
847 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
850 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
851 struct kvm_ppc_resize_hpt {
859 /* machine type bits, to be used as argument to KVM_CREATE_VM */
860 #define KVM_VM_S390_UCONTROL 1
862 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
863 #define KVM_VM_PPC_HV 1
864 #define KVM_VM_PPC_PR 2
866 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
867 #define KVM_VM_MIPS_AUTO 0
868 #define KVM_VM_MIPS_VZ 1
869 #define KVM_VM_MIPS_TE 2
871 #define KVM_S390_SIE_PAGE_OFFSET 1
874 * On arm64, machine type can be used to request the physical
875 * address size for the VM. Bits[7-0] are reserved for the guest
876 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
877 * value 0 implies the default IPA size, 40bits.
879 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL
880 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \
881 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
883 * ioctls for /dev/kvm fds:
885 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
886 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
887 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
889 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
891 * Check if a kvm extension is available. Argument is extension number,
892 * return is 1 (yes) or 0 (no, sorry).
894 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
896 * Get size for mmap(vcpu_fd)
898 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
899 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
900 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
901 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
904 * Extension capability list.
906 #define KVM_CAP_IRQCHIP 0
907 #define KVM_CAP_HLT 1
908 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
909 #define KVM_CAP_USER_MEMORY 3
910 #define KVM_CAP_SET_TSS_ADDR 4
911 #define KVM_CAP_VAPIC 6
912 #define KVM_CAP_EXT_CPUID 7
913 #define KVM_CAP_CLOCKSOURCE 8
914 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
915 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
916 #define KVM_CAP_PIT 11
917 #define KVM_CAP_NOP_IO_DELAY 12
918 #define KVM_CAP_PV_MMU 13
919 #define KVM_CAP_MP_STATE 14
920 #define KVM_CAP_COALESCED_MMIO 15
921 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
922 #define KVM_CAP_IOMMU 18
923 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
924 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
925 #define KVM_CAP_USER_NMI 22
926 #ifdef __KVM_HAVE_GUEST_DEBUG
927 #define KVM_CAP_SET_GUEST_DEBUG 23
929 #ifdef __KVM_HAVE_PIT
930 #define KVM_CAP_REINJECT_CONTROL 24
932 #define KVM_CAP_IRQ_ROUTING 25
933 #define KVM_CAP_IRQ_INJECT_STATUS 26
934 #define KVM_CAP_ASSIGN_DEV_IRQ 29
935 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
936 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
937 #ifdef __KVM_HAVE_MCE
938 #define KVM_CAP_MCE 31
940 #define KVM_CAP_IRQFD 32
941 #ifdef __KVM_HAVE_PIT
942 #define KVM_CAP_PIT2 33
944 #define KVM_CAP_SET_BOOT_CPU_ID 34
945 #ifdef __KVM_HAVE_PIT_STATE2
946 #define KVM_CAP_PIT_STATE2 35
948 #define KVM_CAP_IOEVENTFD 36
949 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
950 #ifdef __KVM_HAVE_XEN_HVM
951 #define KVM_CAP_XEN_HVM 38
953 #define KVM_CAP_ADJUST_CLOCK 39
954 #define KVM_CAP_INTERNAL_ERROR_DATA 40
955 #ifdef __KVM_HAVE_VCPU_EVENTS
956 #define KVM_CAP_VCPU_EVENTS 41
958 #define KVM_CAP_S390_PSW 42
959 #define KVM_CAP_PPC_SEGSTATE 43
960 #define KVM_CAP_HYPERV 44
961 #define KVM_CAP_HYPERV_VAPIC 45
962 #define KVM_CAP_HYPERV_SPIN 46
963 #define KVM_CAP_PCI_SEGMENT 47
964 #define KVM_CAP_PPC_PAIRED_SINGLES 48
965 #define KVM_CAP_INTR_SHADOW 49
966 #ifdef __KVM_HAVE_DEBUGREGS
967 #define KVM_CAP_DEBUGREGS 50
969 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
970 #define KVM_CAP_PPC_OSI 52
971 #define KVM_CAP_PPC_UNSET_IRQ 53
972 #define KVM_CAP_ENABLE_CAP 54
973 #ifdef __KVM_HAVE_XSAVE
974 #define KVM_CAP_XSAVE 55
976 #ifdef __KVM_HAVE_XCRS
977 #define KVM_CAP_XCRS 56
979 #define KVM_CAP_PPC_GET_PVINFO 57
980 #define KVM_CAP_PPC_IRQ_LEVEL 58
981 #define KVM_CAP_ASYNC_PF 59
982 #define KVM_CAP_TSC_CONTROL 60
983 #define KVM_CAP_GET_TSC_KHZ 61
984 #define KVM_CAP_PPC_BOOKE_SREGS 62
985 #define KVM_CAP_SPAPR_TCE 63
986 #define KVM_CAP_PPC_SMT 64
987 #define KVM_CAP_PPC_RMA 65
988 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
989 #define KVM_CAP_PPC_HIOR 67
990 #define KVM_CAP_PPC_PAPR 68
991 #define KVM_CAP_SW_TLB 69
992 #define KVM_CAP_ONE_REG 70
993 #define KVM_CAP_S390_GMAP 71
994 #define KVM_CAP_TSC_DEADLINE_TIMER 72
995 #define KVM_CAP_S390_UCONTROL 73
996 #define KVM_CAP_SYNC_REGS 74
997 #define KVM_CAP_PCI_2_3 75
998 #define KVM_CAP_KVMCLOCK_CTRL 76
999 #define KVM_CAP_SIGNAL_MSI 77
1000 #define KVM_CAP_PPC_GET_SMMU_INFO 78
1001 #define KVM_CAP_S390_COW 79
1002 #define KVM_CAP_PPC_ALLOC_HTAB 80
1003 #define KVM_CAP_READONLY_MEM 81
1004 #define KVM_CAP_IRQFD_RESAMPLE 82
1005 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
1006 #define KVM_CAP_PPC_HTAB_FD 84
1007 #define KVM_CAP_S390_CSS_SUPPORT 85
1008 #define KVM_CAP_PPC_EPR 86
1009 #define KVM_CAP_ARM_PSCI 87
1010 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
1011 #define KVM_CAP_DEVICE_CTRL 89
1012 #define KVM_CAP_IRQ_MPIC 90
1013 #define KVM_CAP_PPC_RTAS 91
1014 #define KVM_CAP_IRQ_XICS 92
1015 #define KVM_CAP_ARM_EL1_32BIT 93
1016 #define KVM_CAP_SPAPR_MULTITCE 94
1017 #define KVM_CAP_EXT_EMUL_CPUID 95
1018 #define KVM_CAP_HYPERV_TIME 96
1019 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
1020 #define KVM_CAP_ENABLE_CAP_VM 98
1021 #define KVM_CAP_S390_IRQCHIP 99
1022 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
1023 #define KVM_CAP_VM_ATTRIBUTES 101
1024 #define KVM_CAP_ARM_PSCI_0_2 102
1025 #define KVM_CAP_PPC_FIXUP_HCALL 103
1026 #define KVM_CAP_PPC_ENABLE_HCALL 104
1027 #define KVM_CAP_CHECK_EXTENSION_VM 105
1028 #define KVM_CAP_S390_USER_SIGP 106
1029 #define KVM_CAP_S390_VECTOR_REGISTERS 107
1030 #define KVM_CAP_S390_MEM_OP 108
1031 #define KVM_CAP_S390_USER_STSI 109
1032 #define KVM_CAP_S390_SKEYS 110
1033 #define KVM_CAP_MIPS_FPU 111
1034 #define KVM_CAP_MIPS_MSA 112
1035 #define KVM_CAP_S390_INJECT_IRQ 113
1036 #define KVM_CAP_S390_IRQ_STATE 114
1037 #define KVM_CAP_PPC_HWRNG 115
1038 #define KVM_CAP_DISABLE_QUIRKS 116
1039 #define KVM_CAP_X86_SMM 117
1040 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
1041 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
1042 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
1043 #define KVM_CAP_SPLIT_IRQCHIP 121
1044 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
1045 #define KVM_CAP_HYPERV_SYNIC 123
1046 #define KVM_CAP_S390_RI 124
1047 #define KVM_CAP_SPAPR_TCE_64 125
1048 #define KVM_CAP_ARM_PMU_V3 126
1049 #define KVM_CAP_VCPU_ATTRIBUTES 127
1050 #define KVM_CAP_MAX_VCPU_ID 128
1051 #define KVM_CAP_X2APIC_API 129
1052 #define KVM_CAP_S390_USER_INSTR0 130
1053 #define KVM_CAP_MSI_DEVID 131
1054 #define KVM_CAP_PPC_HTM 132
1055 #define KVM_CAP_SPAPR_RESIZE_HPT 133
1056 #define KVM_CAP_PPC_MMU_RADIX 134
1057 #define KVM_CAP_PPC_MMU_HASH_V3 135
1058 #define KVM_CAP_IMMEDIATE_EXIT 136
1059 #define KVM_CAP_MIPS_VZ 137
1060 #define KVM_CAP_MIPS_TE 138
1061 #define KVM_CAP_MIPS_64BIT 139
1062 #define KVM_CAP_S390_GS 140
1063 #define KVM_CAP_S390_AIS 141
1064 #define KVM_CAP_SPAPR_TCE_VFIO 142
1065 #define KVM_CAP_X86_DISABLE_EXITS 143
1066 #define KVM_CAP_ARM_USER_IRQ 144
1067 #define KVM_CAP_S390_CMMA_MIGRATION 145
1068 #define KVM_CAP_PPC_FWNMI 146
1069 #define KVM_CAP_PPC_SMT_POSSIBLE 147
1070 #define KVM_CAP_HYPERV_SYNIC2 148
1071 #define KVM_CAP_HYPERV_VP_INDEX 149
1072 #define KVM_CAP_S390_AIS_MIGRATION 150
1073 #define KVM_CAP_PPC_GET_CPU_CHAR 151
1074 #define KVM_CAP_S390_BPB 152
1075 #define KVM_CAP_GET_MSR_FEATURES 153
1076 #define KVM_CAP_HYPERV_EVENTFD 154
1077 #define KVM_CAP_HYPERV_TLBFLUSH 155
1078 #define KVM_CAP_S390_HPAGE_1M 156
1079 #define KVM_CAP_NESTED_STATE 157
1080 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1081 #define KVM_CAP_MSR_PLATFORM_INFO 159
1082 #define KVM_CAP_PPC_NESTED_HV 160
1083 #define KVM_CAP_HYPERV_SEND_IPI 161
1084 #define KVM_CAP_COALESCED_PIO 162
1085 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1086 #define KVM_CAP_EXCEPTION_PAYLOAD 164
1087 #define KVM_CAP_ARM_VM_IPA_SIZE 165
1088 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1089 #define KVM_CAP_HYPERV_CPUID 167
1090 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1091 #define KVM_CAP_PPC_IRQ_XIVE 169
1092 #define KVM_CAP_ARM_SVE 170
1093 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1094 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1095 #define KVM_CAP_PMU_EVENT_FILTER 173
1096 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1097 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1098 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1099 #define KVM_CAP_ARM_NISV_TO_USER 177
1100 #define KVM_CAP_ARM_INJECT_EXT_DABT 178
1101 #define KVM_CAP_S390_VCPU_RESETS 179
1102 #define KVM_CAP_S390_PROTECTED 180
1103 #define KVM_CAP_PPC_SECURE_GUEST 181
1104 #define KVM_CAP_HALT_POLL 182
1105 #define KVM_CAP_ASYNC_PF_INT 183
1106 #define KVM_CAP_LAST_CPU 184
1107 #define KVM_CAP_SMALLER_MAXPHYADDR 185
1108 #define KVM_CAP_S390_DIAG318 186
1109 #define KVM_CAP_STEAL_TIME 187
1110 #define KVM_CAP_X86_USER_SPACE_MSR 188
1111 #define KVM_CAP_X86_MSR_FILTER 189
1112 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1113 #define KVM_CAP_SYS_HYPERV_CPUID 191
1114 #define KVM_CAP_DIRTY_LOG_RING 192
1115 #define KVM_CAP_X86_BUS_LOCK_EXIT 193
1116 #define KVM_CAP_PPC_DAWR1 194
1117 #define KVM_CAP_SET_GUEST_DEBUG2 195
1118 #define KVM_CAP_SGX_ATTRIBUTE 196
1119 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
1120 #define KVM_CAP_PTP_KVM 198
1121 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199
1122 #define KVM_CAP_SREGS2 200
1123 #define KVM_CAP_EXIT_HYPERCALL 201
1124 #define KVM_CAP_PPC_RPT_INVALIDATE 202
1125 #define KVM_CAP_BINARY_STATS_FD 203
1126 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
1127 #define KVM_CAP_ARM_MTE 205
1128 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
1129 #define KVM_CAP_VM_GPA_BITS 207
1130 #define KVM_CAP_XSAVE2 208
1131 #define KVM_CAP_SYS_ATTRIBUTES 209
1132 #define KVM_CAP_PPC_AIL_MODE_3 210
1133 #define KVM_CAP_S390_MEM_OP_EXTENSION 211
1134 #define KVM_CAP_PMU_CAPABILITY 212
1135 #define KVM_CAP_DISABLE_QUIRKS2 213
1136 #define KVM_CAP_VM_TSC_CONTROL 214
1137 #define KVM_CAP_SYSTEM_EVENT_DATA 215
1138 #define KVM_CAP_ARM_SYSTEM_SUSPEND 216
1139 #define KVM_CAP_S390_PROTECTED_DUMP 217
1140 #define KVM_CAP_X86_TRIPLE_FAULT_EVENT 218
1141 #define KVM_CAP_X86_NOTIFY_VMEXIT 219
1142 #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220
1143 #define KVM_CAP_S390_ZPCI_OP 221
1144 #define KVM_CAP_S390_CPU_TOPOLOGY 222
1145 #define KVM_CAP_DIRTY_LOG_RING_ACQ_REL 223
1146 #define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 224
1147 #define KVM_CAP_DIRTY_LOG_RING_WITH_BITMAP 225
1148 #define KVM_CAP_PMU_EVENT_MASKED_EVENTS 226
1149 #define KVM_CAP_COUNTER_OFFSET 227
1150 #define KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE 228
1151 #define KVM_CAP_ARM_SUPPORTED_BLOCK_SIZES 229
1152 #define KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES 230
1153 #define KVM_CAP_USER_MEMORY2 231
1154 #define KVM_CAP_MEMORY_FAULT_INFO 232
1155 #define KVM_CAP_MEMORY_ATTRIBUTES 233
1156 #define KVM_CAP_GUEST_MEMFD 234
1157 #define KVM_CAP_VM_TYPES 235
1159 #ifdef KVM_CAP_IRQ_ROUTING
1161 struct kvm_irq_routing_irqchip {
1166 struct kvm_irq_routing_msi {
1176 struct kvm_irq_routing_s390_adapter {
1180 __u32 summary_offset;
1184 struct kvm_irq_routing_hv_sint {
1189 struct kvm_irq_routing_xen_evtchn {
1195 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
1197 /* gsi routing entry types */
1198 #define KVM_IRQ_ROUTING_IRQCHIP 1
1199 #define KVM_IRQ_ROUTING_MSI 2
1200 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
1201 #define KVM_IRQ_ROUTING_HV_SINT 4
1202 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5
1204 struct kvm_irq_routing_entry {
1210 struct kvm_irq_routing_irqchip irqchip;
1211 struct kvm_irq_routing_msi msi;
1212 struct kvm_irq_routing_s390_adapter adapter;
1213 struct kvm_irq_routing_hv_sint hv_sint;
1214 struct kvm_irq_routing_xen_evtchn xen_evtchn;
1219 struct kvm_irq_routing {
1222 struct kvm_irq_routing_entry entries[];
1229 struct kvm_x86_mce {
1240 #ifdef KVM_CAP_XEN_HVM
1241 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0)
1242 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1)
1243 #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2)
1244 #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3)
1245 #define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4)
1246 #define KVM_XEN_HVM_CONFIG_EVTCHN_SEND (1 << 5)
1247 #define KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG (1 << 6)
1248 #define KVM_XEN_HVM_CONFIG_PVCLOCK_TSC_UNSTABLE (1 << 7)
1250 struct kvm_xen_hvm_config {
1261 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1263 * Available with KVM_CAP_IRQFD_RESAMPLE
1265 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1266 * the irqfd to operate in resampling mode for level triggered interrupt
1267 * emulation. See Documentation/virt/kvm/api.rst.
1269 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1279 /* For KVM_CAP_ADJUST_CLOCK */
1281 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */
1282 #define KVM_CLOCK_TSC_STABLE 2
1283 #define KVM_CLOCK_REALTIME (1 << 2)
1284 #define KVM_CLOCK_HOST_TSC (1 << 3)
1286 struct kvm_clock_data {
1295 /* For KVM_CAP_SW_TLB */
1297 #define KVM_MMU_FSL_BOOKE_NOHV 0
1298 #define KVM_MMU_FSL_BOOKE_HV 1
1300 struct kvm_config_tlb {
1307 struct kvm_dirty_tlb {
1312 /* Available with KVM_CAP_ONE_REG */
1314 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL
1315 #define KVM_REG_GENERIC 0x0000000000000000ULL
1318 * Architecture specific registers are to be defined in arch headers and
1319 * ORed with the arch identifier.
1321 #define KVM_REG_PPC 0x1000000000000000ULL
1322 #define KVM_REG_X86 0x2000000000000000ULL
1323 #define KVM_REG_IA64 0x3000000000000000ULL
1324 #define KVM_REG_ARM 0x4000000000000000ULL
1325 #define KVM_REG_S390 0x5000000000000000ULL
1326 #define KVM_REG_ARM64 0x6000000000000000ULL
1327 #define KVM_REG_MIPS 0x7000000000000000ULL
1328 #define KVM_REG_RISCV 0x8000000000000000ULL
1329 #define KVM_REG_LOONGARCH 0x9000000000000000ULL
1331 #define KVM_REG_SIZE_SHIFT 52
1332 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
1333 #define KVM_REG_SIZE_U8 0x0000000000000000ULL
1334 #define KVM_REG_SIZE_U16 0x0010000000000000ULL
1335 #define KVM_REG_SIZE_U32 0x0020000000000000ULL
1336 #define KVM_REG_SIZE_U64 0x0030000000000000ULL
1337 #define KVM_REG_SIZE_U128 0x0040000000000000ULL
1338 #define KVM_REG_SIZE_U256 0x0050000000000000ULL
1339 #define KVM_REG_SIZE_U512 0x0060000000000000ULL
1340 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL
1341 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL
1343 struct kvm_reg_list {
1344 __u64 n; /* number of regs */
1348 struct kvm_one_reg {
1353 #define KVM_MSI_VALID_DEVID (1U << 0)
1363 struct kvm_arm_device_addr {
1369 * Device control API, available with KVM_CAP_DEVICE_CTRL
1371 #define KVM_CREATE_DEVICE_TEST 1
1373 struct kvm_create_device {
1374 __u32 type; /* in: KVM_DEV_TYPE_xxx */
1375 __u32 fd; /* out: device handle */
1376 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */
1379 struct kvm_device_attr {
1380 __u32 flags; /* no flags currently defined */
1381 __u32 group; /* device-defined */
1382 __u64 attr; /* group-defined */
1383 __u64 addr; /* userspace address of attr data */
1386 #define KVM_DEV_VFIO_FILE 1
1388 #define KVM_DEV_VFIO_FILE_ADD 1
1389 #define KVM_DEV_VFIO_FILE_DEL 2
1391 /* KVM_DEV_VFIO_GROUP aliases are for compile time uapi compatibility */
1392 #define KVM_DEV_VFIO_GROUP KVM_DEV_VFIO_FILE
1394 #define KVM_DEV_VFIO_GROUP_ADD KVM_DEV_VFIO_FILE_ADD
1395 #define KVM_DEV_VFIO_GROUP_DEL KVM_DEV_VFIO_FILE_DEL
1396 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
1398 enum kvm_device_type {
1399 KVM_DEV_TYPE_FSL_MPIC_20 = 1,
1400 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1401 KVM_DEV_TYPE_FSL_MPIC_42,
1402 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1404 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1406 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1407 KVM_DEV_TYPE_ARM_VGIC_V2,
1408 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1410 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1411 KVM_DEV_TYPE_ARM_VGIC_V3,
1412 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1413 KVM_DEV_TYPE_ARM_VGIC_ITS,
1414 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
1416 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE
1417 KVM_DEV_TYPE_ARM_PV_TIME,
1418 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME
1419 KVM_DEV_TYPE_RISCV_AIA,
1420 #define KVM_DEV_TYPE_RISCV_AIA KVM_DEV_TYPE_RISCV_AIA
1424 struct kvm_vfio_spapr_tce {
1430 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1433 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1434 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1435 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1436 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45) /* deprecated */
1437 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1438 struct kvm_userspace_memory_region)
1439 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1440 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1441 #define KVM_SET_USER_MEMORY_REGION2 _IOW(KVMIO, 0x49, \
1442 struct kvm_userspace_memory_region2)
1444 /* enable ucontrol for s390 */
1445 struct kvm_s390_ucas_mapping {
1450 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1451 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1452 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1454 /* Device model IOC */
1455 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1456 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1457 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1458 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1459 #define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1460 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1461 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1462 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1463 #define KVM_REGISTER_COALESCED_MMIO \
1464 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1465 #define KVM_UNREGISTER_COALESCED_MMIO \
1466 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1467 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1468 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1469 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1470 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1471 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1472 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1473 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1474 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1475 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1476 /* Available with KVM_CAP_PIT_STATE2 */
1477 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1478 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1479 /* Available with KVM_CAP_PPC_GET_PVINFO */
1480 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1481 /* Available with KVM_CAP_TSC_CONTROL for a vCPU, or with
1482 * KVM_CAP_VM_TSC_CONTROL to set defaults for a VM */
1483 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1484 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1485 /* Available with KVM_CAP_SIGNAL_MSI */
1486 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1487 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1488 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1489 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1490 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1491 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1492 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
1493 struct kvm_create_spapr_tce_64)
1494 /* Available with KVM_CAP_RMA */
1495 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1496 /* Available with KVM_CAP_PPC_HTAB_FD */
1497 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1498 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1499 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1500 /* Available with KVM_CAP_PPC_RTAS */
1501 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1502 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1503 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1504 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1505 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1506 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
1507 /* Available with KVM_CAP_PPC_RADIX_MMU */
1508 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
1509 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1510 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char)
1511 /* Available with KVM_CAP_PMU_EVENT_FILTER */
1512 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
1513 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
1514 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags)
1515 /* Available with KVM_CAP_COUNTER_OFFSET */
1516 #define KVM_ARM_SET_COUNTER_OFFSET _IOW(KVMIO, 0xb5, struct kvm_arm_counter_offset)
1517 #define KVM_ARM_GET_REG_WRITABLE_MASKS _IOR(KVMIO, 0xb6, struct reg_mask_range)
1519 /* ioctl for vm fd */
1520 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1522 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1523 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1524 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1525 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1528 * ioctls for vcpu fds
1530 #define KVM_RUN _IO(KVMIO, 0x80)
1531 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1532 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1533 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1534 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1535 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1536 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1537 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1538 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1539 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1540 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1541 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1542 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1543 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1544 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1545 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1546 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1547 /* Available with KVM_CAP_VAPIC */
1548 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1549 /* Available with KVM_CAP_VAPIC */
1550 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1551 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1552 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1553 /* store status for s390 */
1554 #define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1555 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1556 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1557 /* initial ipl psw for s390 */
1558 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1559 /* initial reset for s390 */
1560 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1561 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1562 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1563 /* Available with KVM_CAP_USER_NMI */
1564 #define KVM_NMI _IO(KVMIO, 0x9a)
1565 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1566 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1568 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1569 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1570 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1571 /* Available with KVM_CAP_VCPU_EVENTS */
1572 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1573 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1574 /* Available with KVM_CAP_DEBUGREGS */
1575 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1576 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1578 * vcpu version available with KVM_CAP_ENABLE_CAP
1579 * vm version available with KVM_CAP_ENABLE_CAP_VM
1581 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1582 /* Available with KVM_CAP_XSAVE */
1583 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1584 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1585 /* Available with KVM_CAP_XCRS */
1586 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1587 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1588 /* Available with KVM_CAP_SW_TLB */
1589 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1590 /* Available with KVM_CAP_ONE_REG */
1591 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1592 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1593 /* VM is being stopped by host */
1594 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1595 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1596 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1597 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1598 /* Available with KVM_CAP_S390_MEM_OP */
1599 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1600 /* Available with KVM_CAP_S390_SKEYS */
1601 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1602 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1603 /* Available with KVM_CAP_S390_INJECT_IRQ */
1604 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1605 /* Available with KVM_CAP_S390_IRQ_STATE */
1606 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1607 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1608 /* Available with KVM_CAP_X86_SMM */
1609 #define KVM_SMI _IO(KVMIO, 0xb7)
1610 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1611 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1612 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1613 /* Memory Encryption Commands */
1614 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
1616 struct kvm_enc_region {
1621 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1622 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1624 /* Available with KVM_CAP_HYPERV_EVENTFD */
1625 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
1627 /* Available with KVM_CAP_NESTED_STATE */
1628 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1629 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state)
1631 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1632 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1634 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1635 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1637 /* Available with KVM_CAP_ARM_SVE */
1638 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int)
1640 /* Available with KVM_CAP_S390_VCPU_RESETS */
1641 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3)
1642 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4)
1644 struct kvm_s390_pv_sec_parm {
1649 struct kvm_s390_pv_unp {
1655 enum pv_cmd_dmp_id {
1657 KVM_PV_DUMP_CONFIG_STOR_STATE,
1658 KVM_PV_DUMP_COMPLETE,
1662 struct kvm_s390_pv_dmp {
1666 __u64 gaddr; /* For dump storage state */
1670 enum pv_cmd_info_id {
1675 struct kvm_s390_pv_info_dump {
1676 __u64 dump_cpu_buffer_len;
1677 __u64 dump_config_mem_buffer_per_1m;
1678 __u64 dump_config_finalize_len;
1681 struct kvm_s390_pv_info_vm {
1682 __u64 inst_calls_list[4];
1685 __u64 max_guest_addr;
1686 __u64 feature_indication;
1689 struct kvm_s390_pv_info_header {
1696 struct kvm_s390_pv_info {
1697 struct kvm_s390_pv_info_header header;
1699 struct kvm_s390_pv_info_dump dump;
1700 struct kvm_s390_pv_info_vm vm;
1707 KVM_PV_SET_SEC_PARMS,
1714 KVM_PV_ASYNC_CLEANUP_PREPARE,
1715 KVM_PV_ASYNC_CLEANUP_PERFORM,
1719 __u32 cmd; /* Command to be executed */
1720 __u16 rc; /* Ultravisor return code */
1721 __u16 rrc; /* Ultravisor return reason code */
1722 __u64 data; /* Data or address */
1723 __u32 flags; /* flags for future extensions. Must be 0 for now */
1727 /* Available with KVM_CAP_S390_PROTECTED */
1728 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1730 /* Available with KVM_CAP_X86_MSR_FILTER */
1731 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter)
1733 /* Available with KVM_CAP_DIRTY_LOG_RING */
1734 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7)
1736 /* Per-VM Xen attributes */
1737 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1738 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr)
1740 struct kvm_xen_hvm_attr {
1746 __u8 runstate_update_flag;
1749 #define KVM_XEN_INVALID_GFN ((__u64)-1)
1753 __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */
1755 #define KVM_XEN_EVTCHN_DEASSIGN (1 << 0)
1756 #define KVM_XEN_EVTCHN_UPDATE (1 << 1)
1757 #define KVM_XEN_EVTCHN_RESET (1 << 2)
1759 * Events sent by the guest are either looped back to
1760 * the guest itself (potentially on a different port#)
1761 * or signalled via an eventfd.
1770 __u32 port; /* Zero for eventfd */
1782 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1783 #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0
1784 #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1
1785 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2
1786 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1787 #define KVM_XEN_ATTR_TYPE_EVTCHN 0x3
1788 #define KVM_XEN_ATTR_TYPE_XEN_VERSION 0x4
1789 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_RUNSTATE_UPDATE_FLAG */
1790 #define KVM_XEN_ATTR_TYPE_RUNSTATE_UPDATE_FLAG 0x5
1792 /* Per-vCPU Xen attributes */
1793 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1794 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr)
1796 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1797 #define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn)
1799 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2)
1800 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2)
1802 struct kvm_xen_vcpu_attr {
1807 #define KVM_XEN_INVALID_GPA ((__u64)-1)
1811 __u64 state_entry_time;
1813 __u64 time_runnable;
1827 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1828 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0
1829 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1
1830 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2
1831 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
1832 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4
1833 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5
1834 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1835 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID 0x6
1836 #define KVM_XEN_VCPU_ATTR_TYPE_TIMER 0x7
1837 #define KVM_XEN_VCPU_ATTR_TYPE_UPCALL_VECTOR 0x8
1839 /* Secure Encrypted Virtualization command */
1841 /* Guest initialization commands */
1844 /* Guest launch commands */
1845 KVM_SEV_LAUNCH_START,
1846 KVM_SEV_LAUNCH_UPDATE_DATA,
1847 KVM_SEV_LAUNCH_UPDATE_VMSA,
1848 KVM_SEV_LAUNCH_SECRET,
1849 KVM_SEV_LAUNCH_MEASURE,
1850 KVM_SEV_LAUNCH_FINISH,
1851 /* Guest migration commands (outgoing) */
1853 KVM_SEV_SEND_UPDATE_DATA,
1854 KVM_SEV_SEND_UPDATE_VMSA,
1855 KVM_SEV_SEND_FINISH,
1856 /* Guest migration commands (incoming) */
1857 KVM_SEV_RECEIVE_START,
1858 KVM_SEV_RECEIVE_UPDATE_DATA,
1859 KVM_SEV_RECEIVE_UPDATE_VMSA,
1860 KVM_SEV_RECEIVE_FINISH,
1861 /* Guest status and debug commands */
1862 KVM_SEV_GUEST_STATUS,
1863 KVM_SEV_DBG_DECRYPT,
1864 KVM_SEV_DBG_ENCRYPT,
1865 /* Guest certificates commands */
1866 KVM_SEV_CERT_EXPORT,
1867 /* Attestation report */
1868 KVM_SEV_GET_ATTESTATION_REPORT,
1869 /* Guest Migration Extension */
1870 KVM_SEV_SEND_CANCEL,
1875 struct kvm_sev_cmd {
1882 struct kvm_sev_launch_start {
1887 __u64 session_uaddr;
1891 struct kvm_sev_launch_update_data {
1897 struct kvm_sev_launch_secret {
1906 struct kvm_sev_launch_measure {
1911 struct kvm_sev_guest_status {
1917 struct kvm_sev_dbg {
1923 struct kvm_sev_attestation_report {
1929 struct kvm_sev_send_start {
1931 __u64 pdh_cert_uaddr;
1933 __u64 plat_certs_uaddr;
1934 __u32 plat_certs_len;
1935 __u64 amd_certs_uaddr;
1936 __u32 amd_certs_len;
1937 __u64 session_uaddr;
1941 struct kvm_sev_send_update_data {
1950 struct kvm_sev_receive_start {
1955 __u64 session_uaddr;
1959 struct kvm_sev_receive_update_data {
1968 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
1969 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
1970 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
1972 struct kvm_assigned_pci_dev {
1973 __u32 assigned_dev_id;
1983 #define KVM_DEV_IRQ_HOST_INTX (1 << 0)
1984 #define KVM_DEV_IRQ_HOST_MSI (1 << 1)
1985 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
1987 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
1988 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
1989 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
1991 #define KVM_DEV_IRQ_HOST_MASK 0x00ff
1992 #define KVM_DEV_IRQ_GUEST_MASK 0xff00
1994 struct kvm_assigned_irq {
1995 __u32 assigned_dev_id;
1996 __u32 host_irq; /* ignored (legacy field) */
2004 struct kvm_assigned_msix_nr {
2005 __u32 assigned_dev_id;
2010 #define KVM_MAX_MSIX_PER_DEV 256
2011 struct kvm_assigned_msix_entry {
2012 __u32 assigned_dev_id;
2014 __u16 entry; /* The index of entry in the MSI-X table */
2018 #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
2019 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
2021 /* Available with KVM_CAP_ARM_USER_IRQ */
2023 /* Bits for run->s.regs.device_irq_level */
2024 #define KVM_ARM_DEV_EL1_VTIMER (1 << 0)
2025 #define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
2026 #define KVM_ARM_DEV_PMU (1 << 2)
2028 struct kvm_hyperv_eventfd {
2035 #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
2036 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
2038 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
2039 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1)
2042 * Arch needs to define the macro after implementing the dirty ring
2043 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
2044 * starting page offset of the dirty ring structures.
2046 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET
2047 #define KVM_DIRTY_LOG_PAGE_OFFSET 0
2051 * KVM dirty GFN flags, defined as:
2053 * |---------------+---------------+--------------|
2054 * | bit 1 (reset) | bit 0 (dirty) | Status |
2055 * |---------------+---------------+--------------|
2056 * | 0 | 0 | Invalid GFN |
2057 * | 0 | 1 | Dirty GFN |
2058 * | 1 | X | GFN to reset |
2059 * |---------------+---------------+--------------|
2061 * Lifecycle of a dirty GFN goes like:
2063 * dirtied harvested reset
2064 * 00 -----------> 01 -------------> 1X -------+
2067 * +------------------------------------------+
2069 * The userspace program is only responsible for the 01->1X state
2070 * conversion after harvesting an entry. Also, it must not skip any
2071 * dirty bits, so that dirty bits are always harvested in sequence.
2073 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0)
2074 #define KVM_DIRTY_GFN_F_RESET _BITUL(1)
2075 #define KVM_DIRTY_GFN_F_MASK 0x3
2078 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
2079 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The
2080 * size of the gfn buffer is decided by the first argument when
2081 * enabling KVM_CAP_DIRTY_LOG_RING.
2083 struct kvm_dirty_gfn {
2089 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0)
2090 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1)
2092 #define KVM_PMU_CAP_DISABLE (1 << 0)
2095 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
2096 * @flags: Some extra information for header, always 0 for now.
2097 * @name_size: The size in bytes of the memory which contains statistics
2098 * name string including trailing '\0'. The memory is allocated
2099 * at the send of statistics descriptor.
2100 * @num_desc: The number of statistics the vm or vcpu has.
2101 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
2102 * by vm/vcpu stats fd.
2103 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
2104 * pointd by vm/vcpu stats fd.
2105 * @data_offset: The offset of the vm/vcpu stats' data block in the file
2106 * pointed by vm/vcpu stats fd.
2108 * This is the header userspace needs to read from stats fd before any other
2109 * readings. It is used by userspace to discover all the information about the
2110 * vm/vcpu's binary statistics.
2111 * Userspace reads this header from the start of the vm/vcpu's stats fd.
2113 struct kvm_stats_header {
2122 #define KVM_STATS_TYPE_SHIFT 0
2123 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT)
2124 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT)
2125 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT)
2126 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT)
2127 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT)
2128 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT)
2129 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST
2131 #define KVM_STATS_UNIT_SHIFT 4
2132 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT)
2133 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT)
2134 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT)
2135 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT)
2136 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT)
2137 #define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT)
2138 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN
2140 #define KVM_STATS_BASE_SHIFT 8
2141 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT)
2142 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT)
2143 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT)
2144 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2
2147 * struct kvm_stats_desc - Descriptor of a KVM statistics.
2148 * @flags: Annotations of the stats, like type, unit, etc.
2149 * @exponent: Used together with @flags to determine the unit.
2150 * @size: The number of data items for this stats.
2151 * Every data item is of type __u64.
2152 * @offset: The offset of the stats to the start of stat structure in
2153 * structure kvm or kvm_vcpu.
2154 * @bucket_size: A parameter value used for histogram stats. It is only used
2155 * for linear histogram stats, specifying the size of the bucket;
2156 * @name: The name string for the stats. Its size is indicated by the
2157 * &kvm_stats_header->name_size.
2159 struct kvm_stats_desc {
2168 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce)
2170 /* Available with KVM_CAP_XSAVE2 */
2171 #define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave)
2173 /* Available with KVM_CAP_S390_PROTECTED_DUMP */
2174 #define KVM_S390_PV_CPU_COMMAND _IOWR(KVMIO, 0xd0, struct kvm_pv_cmd)
2176 /* Available with KVM_CAP_X86_NOTIFY_VMEXIT */
2177 #define KVM_X86_NOTIFY_VMEXIT_ENABLED (1ULL << 0)
2178 #define KVM_X86_NOTIFY_VMEXIT_USER (1ULL << 1)
2180 /* Available with KVM_CAP_S390_ZPCI_OP */
2181 #define KVM_S390_ZPCI_OP _IOW(KVMIO, 0xd1, struct kvm_s390_zpci_op)
2183 struct kvm_s390_zpci_op {
2185 __u32 fh; /* target device */
2186 __u8 op; /* operation to perform */
2189 /* for KVM_S390_ZPCIOP_REG_AEN */
2191 __u64 ibv; /* Guest addr of interrupt bit vector */
2192 __u64 sb; /* Guest addr of summary bit */
2194 __u32 noi; /* Number of interrupts */
2195 __u8 isc; /* Guest interrupt subclass */
2196 __u8 sbo; /* Offset of guest summary bit vector */
2203 /* types for kvm_s390_zpci_op->op */
2204 #define KVM_S390_ZPCIOP_REG_AEN 0
2205 #define KVM_S390_ZPCIOP_DEREG_AEN 1
2207 /* flags for kvm_s390_zpci_op->u.reg_aen.flags */
2208 #define KVM_S390_ZPCIOP_REGAEN_HOST (1 << 0)
2210 /* Available with KVM_CAP_MEMORY_ATTRIBUTES */
2211 #define KVM_SET_MEMORY_ATTRIBUTES _IOW(KVMIO, 0xd2, struct kvm_memory_attributes)
2213 struct kvm_memory_attributes {
2220 #define KVM_MEMORY_ATTRIBUTE_PRIVATE (1ULL << 3)
2222 #define KVM_CREATE_GUEST_MEMFD _IOWR(KVMIO, 0xd4, struct kvm_create_guest_memfd)
2224 struct kvm_create_guest_memfd {
2230 #endif /* __LINUX_KVM_H */