1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
6 * Userspace interface for /dev/kvm - kernel based virtual machine
8 * Note: you must update KVM_API_VERSION if you change this interface.
11 #include <linux/const.h>
12 #include <linux/types.h>
13 #include <linux/compiler.h>
14 #include <linux/ioctl.h>
17 #define KVM_API_VERSION 12
19 /* *** Deprecated interfaces *** */
21 #define KVM_TRC_SHIFT 16
23 #define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT)
24 #define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1))
26 #define KVM_TRC_VMENTRY (KVM_TRC_ENTRYEXIT + 0x01)
27 #define KVM_TRC_VMEXIT (KVM_TRC_ENTRYEXIT + 0x02)
28 #define KVM_TRC_PAGE_FAULT (KVM_TRC_HANDLER + 0x01)
30 #define KVM_TRC_HEAD_SIZE 12
31 #define KVM_TRC_CYCLE_SIZE 8
32 #define KVM_TRC_EXTRA_MAX 7
34 #define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02)
35 #define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03)
36 #define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04)
37 #define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05)
38 #define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06)
39 #define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07)
40 #define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08)
41 #define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09)
42 #define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A)
43 #define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B)
44 #define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C)
45 #define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D)
46 #define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E)
47 #define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F)
48 #define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10)
49 #define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11)
50 #define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12)
51 #define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13)
52 #define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14)
53 #define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15)
54 #define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16)
55 #define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17)
56 #define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18)
57 #define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19)
59 struct kvm_user_trace_setup {
64 #define __KVM_DEPRECATED_MAIN_W_0x06 \
65 _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
66 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
67 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
69 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
71 struct kvm_breakpoint {
77 struct kvm_debug_guest {
80 struct kvm_breakpoint breakpoints[4];
84 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
86 /* *** End of deprecated interfaces *** */
89 /* for KVM_CREATE_MEMORY_REGION */
90 struct kvm_memory_region {
93 __u64 guest_phys_addr;
94 __u64 memory_size; /* bytes */
97 /* for KVM_SET_USER_MEMORY_REGION */
98 struct kvm_userspace_memory_region {
101 __u64 guest_phys_addr;
102 __u64 memory_size; /* bytes */
103 __u64 userspace_addr; /* start of the userspace allocated memory */
107 * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
108 * other bits are reserved for kvm internal use which are defined in
109 * include/linux/kvm_host.h.
111 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
112 #define KVM_MEM_READONLY (1UL << 1)
114 /* for KVM_IRQ_LINE */
115 struct kvm_irq_level {
117 * ACPI gsi notion of irq.
118 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
119 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
120 * For ARM: See Documentation/virt/kvm/api.rst
134 char dummy[512]; /* reserving space */
135 #ifdef __KVM_HAVE_PIT
136 struct kvm_pic_state pic;
138 #ifdef __KVM_HAVE_IOAPIC
139 struct kvm_ioapic_state ioapic;
144 /* for KVM_CREATE_PIT2 */
145 struct kvm_pit_config {
150 #define KVM_PIT_SPEAKER_DUMMY 1
152 struct kvm_s390_skeys {
160 #define KVM_S390_CMMA_PEEK (1 << 0)
163 * kvm_s390_cmma_log - Used for CMMA migration.
165 * Used both for input and output.
167 * @start_gfn: Guest page number to start from.
168 * @count: Size of the result buffer.
169 * @flags: Control operation mode via KVM_S390_CMMA_* flags
170 * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
171 * pages are still remaining.
172 * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
174 * @values: Pointer to the values buffer.
176 * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
178 struct kvm_s390_cmma_log {
189 struct kvm_hyperv_exit {
190 #define KVM_EXIT_HYPERV_SYNIC 1
191 #define KVM_EXIT_HYPERV_HCALL 2
192 #define KVM_EXIT_HYPERV_SYNDBG 3
220 struct kvm_xen_exit {
221 #define KVM_EXIT_XEN_HCALL 1
234 #define KVM_S390_GET_SKEYS_NONE 1
235 #define KVM_S390_SKEYS_MAX 1048576
237 #define KVM_EXIT_UNKNOWN 0
238 #define KVM_EXIT_EXCEPTION 1
239 #define KVM_EXIT_IO 2
240 #define KVM_EXIT_HYPERCALL 3
241 #define KVM_EXIT_DEBUG 4
242 #define KVM_EXIT_HLT 5
243 #define KVM_EXIT_MMIO 6
244 #define KVM_EXIT_IRQ_WINDOW_OPEN 7
245 #define KVM_EXIT_SHUTDOWN 8
246 #define KVM_EXIT_FAIL_ENTRY 9
247 #define KVM_EXIT_INTR 10
248 #define KVM_EXIT_SET_TPR 11
249 #define KVM_EXIT_TPR_ACCESS 12
250 #define KVM_EXIT_S390_SIEIC 13
251 #define KVM_EXIT_S390_RESET 14
252 #define KVM_EXIT_DCR 15 /* deprecated */
253 #define KVM_EXIT_NMI 16
254 #define KVM_EXIT_INTERNAL_ERROR 17
255 #define KVM_EXIT_OSI 18
256 #define KVM_EXIT_PAPR_HCALL 19
257 #define KVM_EXIT_S390_UCONTROL 20
258 #define KVM_EXIT_WATCHDOG 21
259 #define KVM_EXIT_S390_TSCH 22
260 #define KVM_EXIT_EPR 23
261 #define KVM_EXIT_SYSTEM_EVENT 24
262 #define KVM_EXIT_S390_STSI 25
263 #define KVM_EXIT_IOAPIC_EOI 26
264 #define KVM_EXIT_HYPERV 27
265 #define KVM_EXIT_ARM_NISV 28
266 #define KVM_EXIT_X86_RDMSR 29
267 #define KVM_EXIT_X86_WRMSR 30
268 #define KVM_EXIT_DIRTY_RING_FULL 31
269 #define KVM_EXIT_AP_RESET_HOLD 32
270 #define KVM_EXIT_X86_BUS_LOCK 33
271 #define KVM_EXIT_XEN 34
272 #define KVM_EXIT_RISCV_SBI 35
274 /* For KVM_EXIT_INTERNAL_ERROR */
275 /* Emulate instruction failed. */
276 #define KVM_INTERNAL_ERROR_EMULATION 1
277 /* Encounter unexpected simultaneous exceptions. */
278 #define KVM_INTERNAL_ERROR_SIMUL_EX 2
279 /* Encounter unexpected vm-exit due to delivery event. */
280 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3
281 /* Encounter unexpected vm-exit reason */
282 #define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4
284 /* Flags that describe what fields in emulation_failure hold valid data. */
285 #define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
287 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
290 __u8 request_interrupt_window;
296 __u8 ready_for_interrupt_injection;
300 /* in (pre_kvm_run), out (post_kvm_run) */
305 /* the processor status word for s390 */
306 __u64 psw_mask; /* psw upper half */
307 __u64 psw_addr; /* psw lower half */
310 /* KVM_EXIT_UNKNOWN */
312 __u64 hardware_exit_reason;
314 /* KVM_EXIT_FAIL_ENTRY */
316 __u64 hardware_entry_failure_reason;
319 /* KVM_EXIT_EXCEPTION */
326 #define KVM_EXIT_IO_IN 0
327 #define KVM_EXIT_IO_OUT 1
329 __u8 size; /* bytes */
332 __u64 data_offset; /* relative to kvm_run start */
336 struct kvm_debug_exit_arch arch;
345 /* KVM_EXIT_HYPERCALL */
353 /* KVM_EXIT_TPR_ACCESS */
359 /* KVM_EXIT_S390_SIEIC */
365 /* KVM_EXIT_S390_RESET */
366 #define KVM_S390_RESET_POR 1
367 #define KVM_S390_RESET_CLEAR 2
368 #define KVM_S390_RESET_SUBSYSTEM 4
369 #define KVM_S390_RESET_CPU_INIT 8
370 #define KVM_S390_RESET_IPL 16
371 __u64 s390_reset_flags;
372 /* KVM_EXIT_S390_UCONTROL */
374 __u64 trans_exc_code;
377 /* KVM_EXIT_DCR (deprecated) */
383 /* KVM_EXIT_INTERNAL_ERROR */
386 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
391 * KVM_INTERNAL_ERROR_EMULATION
393 * "struct emulation_failure" is an overlay of "struct internal"
394 * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
395 * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error
396 * sub-types, this struct is ABI! It also needs to be backwards
397 * compatible with "struct internal". Take special care that
398 * "ndata" is correct, that new fields are enumerated in "flags",
399 * and that each flag enumerates fields that are 64-bit aligned
400 * and sized (so that ndata+internal.data[] is valid/accurate).
402 * Space beyond the defined fields may be used to store arbitrary
403 * debug information relating to the emulation failure. It is
404 * accounted for in "ndata" but the format is unspecified and is
405 * not represented in "flags". Any such information is *not* ABI!
417 /* Arbitrary debug data may follow. */
423 /* KVM_EXIT_PAPR_HCALL */
429 /* KVM_EXIT_S390_TSCH */
442 /* KVM_EXIT_SYSTEM_EVENT */
444 #define KVM_SYSTEM_EVENT_SHUTDOWN 1
445 #define KVM_SYSTEM_EVENT_RESET 2
446 #define KVM_SYSTEM_EVENT_CRASH 3
450 /* KVM_EXIT_S390_STSI */
459 /* KVM_EXIT_IOAPIC_EOI */
463 /* KVM_EXIT_HYPERV */
464 struct kvm_hyperv_exit hyperv;
465 /* KVM_EXIT_ARM_NISV */
470 /* KVM_EXIT_X86_RDMSR / KVM_EXIT_X86_WRMSR */
472 __u8 error; /* user -> kernel */
474 #define KVM_MSR_EXIT_REASON_INVAL (1 << 0)
475 #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1)
476 #define KVM_MSR_EXIT_REASON_FILTER (1 << 2)
477 __u32 reason; /* kernel -> user */
478 __u32 index; /* kernel -> user */
479 __u64 data; /* kernel <-> user */
482 struct kvm_xen_exit xen;
483 /* KVM_EXIT_RISCV_SBI */
485 unsigned long extension_id;
486 unsigned long function_id;
487 unsigned long args[6];
488 unsigned long ret[2];
490 /* Fix the size of the union. */
494 /* 2048 is the size of the char array used to bound/pad the size
495 * of the union that holds sync regs.
497 #define SYNC_REGS_SIZE_BYTES 2048
499 * shared registers between kvm and userspace.
500 * kvm_valid_regs specifies the register classes set by the host
501 * kvm_dirty_regs specified the register classes dirtied by userspace
502 * struct kvm_sync_regs is architecture specific, as well as the
503 * bits for kvm_valid_regs and kvm_dirty_regs
505 __u64 kvm_valid_regs;
506 __u64 kvm_dirty_regs;
508 struct kvm_sync_regs regs;
509 char padding[SYNC_REGS_SIZE_BYTES];
513 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
515 struct kvm_coalesced_mmio_zone {
524 struct kvm_coalesced_mmio {
534 struct kvm_coalesced_mmio_ring {
536 struct kvm_coalesced_mmio coalesced_mmio[0];
539 #define KVM_COALESCED_MMIO_MAX \
540 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
541 sizeof(struct kvm_coalesced_mmio))
543 /* for KVM_TRANSLATE */
544 struct kvm_translation {
546 __u64 linear_address;
549 __u64 physical_address;
556 /* for KVM_S390_MEM_OP */
557 struct kvm_s390_mem_op {
559 __u64 gaddr; /* the guest address */
560 __u64 flags; /* flags */
561 __u32 size; /* amount of bytes */
562 __u32 op; /* type of operation */
563 __u64 buf; /* buffer in userspace */
566 __u8 ar; /* the access register number */
567 __u8 key; /* access key, ignored if flag unset */
569 __u32 sida_offset; /* offset into the sida */
570 __u8 reserved[32]; /* ignored */
573 /* types for kvm_s390_mem_op->op */
574 #define KVM_S390_MEMOP_LOGICAL_READ 0
575 #define KVM_S390_MEMOP_LOGICAL_WRITE 1
576 #define KVM_S390_MEMOP_SIDA_READ 2
577 #define KVM_S390_MEMOP_SIDA_WRITE 3
578 #define KVM_S390_MEMOP_ABSOLUTE_READ 4
579 #define KVM_S390_MEMOP_ABSOLUTE_WRITE 5
580 /* flags for kvm_s390_mem_op->flags */
581 #define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
582 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
583 #define KVM_S390_MEMOP_F_SKEY_PROTECTION (1ULL << 2)
585 /* for KVM_INTERRUPT */
586 struct kvm_interrupt {
591 /* for KVM_GET_DIRTY_LOG */
592 struct kvm_dirty_log {
596 void __user *dirty_bitmap; /* one bit per page */
601 /* for KVM_CLEAR_DIRTY_LOG */
602 struct kvm_clear_dirty_log {
607 void __user *dirty_bitmap; /* one bit per page */
612 /* for KVM_SET_SIGNAL_MASK */
613 struct kvm_signal_mask {
618 /* for KVM_TPR_ACCESS_REPORTING */
619 struct kvm_tpr_access_ctl {
625 /* for KVM_SET_VAPIC_ADDR */
626 struct kvm_vapic_addr {
630 /* for KVM_SET_MP_STATE */
632 /* not all states are valid on all architectures */
633 #define KVM_MP_STATE_RUNNABLE 0
634 #define KVM_MP_STATE_UNINITIALIZED 1
635 #define KVM_MP_STATE_INIT_RECEIVED 2
636 #define KVM_MP_STATE_HALTED 3
637 #define KVM_MP_STATE_SIPI_RECEIVED 4
638 #define KVM_MP_STATE_STOPPED 5
639 #define KVM_MP_STATE_CHECK_STOP 6
640 #define KVM_MP_STATE_OPERATING 7
641 #define KVM_MP_STATE_LOAD 8
642 #define KVM_MP_STATE_AP_RESET_HOLD 9
644 struct kvm_mp_state {
648 struct kvm_s390_psw {
653 /* valid values for type in kvm_s390_interrupt */
654 #define KVM_S390_SIGP_STOP 0xfffe0000u
655 #define KVM_S390_PROGRAM_INT 0xfffe0001u
656 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
657 #define KVM_S390_RESTART 0xfffe0003u
658 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
659 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
660 #define KVM_S390_MCHK 0xfffe1000u
661 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u
662 #define KVM_S390_INT_CPU_TIMER 0xffff1005u
663 #define KVM_S390_INT_VIRTIO 0xffff2603u
664 #define KVM_S390_INT_SERVICE 0xffff2401u
665 #define KVM_S390_INT_EMERGENCY 0xffff1201u
666 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
667 /* Anything below 0xfffe0000u is taken by INT_IO */
668 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
673 #define KVM_S390_INT_IO_MIN 0x00000000u
674 #define KVM_S390_INT_IO_MAX 0xfffdffffu
675 #define KVM_S390_INT_IO_AI_MASK 0x04000000u
678 struct kvm_s390_interrupt {
684 struct kvm_s390_io_info {
691 struct kvm_s390_ext_info {
697 struct kvm_s390_pgm_info {
698 __u64 trans_exc_code;
709 #define KVM_S390_PGM_FLAGS_ILC_VALID 0x01
710 #define KVM_S390_PGM_FLAGS_ILC_0 0x02
711 #define KVM_S390_PGM_FLAGS_ILC_1 0x04
712 #define KVM_S390_PGM_FLAGS_ILC_MASK 0x06
713 #define KVM_S390_PGM_FLAGS_NO_REWIND 0x08
718 struct kvm_s390_prefix_info {
722 struct kvm_s390_extcall_info {
726 struct kvm_s390_emerg_info {
730 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
731 struct kvm_s390_stop_info {
735 struct kvm_s390_mchk_info {
738 __u64 failing_storage_address;
739 __u32 ext_damage_code;
741 __u8 fixed_logout[16];
744 struct kvm_s390_irq {
747 struct kvm_s390_io_info io;
748 struct kvm_s390_ext_info ext;
749 struct kvm_s390_pgm_info pgm;
750 struct kvm_s390_emerg_info emerg;
751 struct kvm_s390_extcall_info extcall;
752 struct kvm_s390_prefix_info prefix;
753 struct kvm_s390_stop_info stop;
754 struct kvm_s390_mchk_info mchk;
759 struct kvm_s390_irq_state {
761 __u32 flags; /* will stay unused for compatibility reasons */
763 __u32 reserved[4]; /* will stay unused for compatibility reasons */
766 /* for KVM_SET_GUEST_DEBUG */
768 #define KVM_GUESTDBG_ENABLE 0x00000001
769 #define KVM_GUESTDBG_SINGLESTEP 0x00000002
771 struct kvm_guest_debug {
774 struct kvm_guest_debug_arch arch;
778 kvm_ioeventfd_flag_nr_datamatch,
779 kvm_ioeventfd_flag_nr_pio,
780 kvm_ioeventfd_flag_nr_deassign,
781 kvm_ioeventfd_flag_nr_virtio_ccw_notify,
782 kvm_ioeventfd_flag_nr_fast_mmio,
783 kvm_ioeventfd_flag_nr_max,
786 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
787 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
788 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
789 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
790 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
792 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
794 struct kvm_ioeventfd {
796 __u64 addr; /* legal pio/mmio address */
797 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
803 #define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0)
804 #define KVM_X86_DISABLE_EXITS_HLT (1 << 1)
805 #define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2)
806 #define KVM_X86_DISABLE_EXITS_CSTATE (1 << 3)
807 #define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \
808 KVM_X86_DISABLE_EXITS_HLT | \
809 KVM_X86_DISABLE_EXITS_PAUSE | \
810 KVM_X86_DISABLE_EXITS_CSTATE)
812 /* for KVM_ENABLE_CAP */
813 struct kvm_enable_cap {
821 /* for KVM_PPC_GET_PVINFO */
823 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
825 struct kvm_ppc_pvinfo {
832 /* for KVM_PPC_GET_SMMU_INFO */
833 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8
835 struct kvm_ppc_one_page_size {
836 __u32 page_shift; /* Page shift (or 0) */
837 __u32 pte_enc; /* Encoding in the HPTE (>>12) */
840 struct kvm_ppc_one_seg_page_size {
841 __u32 page_shift; /* Base page shift of segment (or 0) */
842 __u32 slb_enc; /* SLB encoding for BookS */
843 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
846 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001
847 #define KVM_PPC_1T_SEGMENTS 0x00000002
848 #define KVM_PPC_NO_HASH 0x00000004
850 struct kvm_ppc_smmu_info {
853 __u16 data_keys; /* # storage keys supported for data */
854 __u16 instr_keys; /* # storage keys supported for instructions */
855 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
858 /* for KVM_PPC_RESIZE_HPT_{PREPARE,COMMIT} */
859 struct kvm_ppc_resize_hpt {
867 /* machine type bits, to be used as argument to KVM_CREATE_VM */
868 #define KVM_VM_S390_UCONTROL 1
870 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
871 #define KVM_VM_PPC_HV 1
872 #define KVM_VM_PPC_PR 2
874 /* on MIPS, 0 indicates auto, 1 forces VZ ASE, 2 forces trap & emulate */
875 #define KVM_VM_MIPS_AUTO 0
876 #define KVM_VM_MIPS_VZ 1
877 #define KVM_VM_MIPS_TE 2
879 #define KVM_S390_SIE_PAGE_OFFSET 1
882 * On arm64, machine type can be used to request the physical
883 * address size for the VM. Bits[7-0] are reserved for the guest
884 * PA size shift (i.e, log2(PA_Size)). For backward compatibility,
885 * value 0 implies the default IPA size, 40bits.
887 #define KVM_VM_TYPE_ARM_IPA_SIZE_MASK 0xffULL
888 #define KVM_VM_TYPE_ARM_IPA_SIZE(x) \
889 ((x) & KVM_VM_TYPE_ARM_IPA_SIZE_MASK)
891 * ioctls for /dev/kvm fds:
893 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
894 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
895 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
897 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
899 * Check if a kvm extension is available. Argument is extension number,
900 * return is 1 (yes) or 0 (no, sorry).
902 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
904 * Get size for mmap(vcpu_fd)
906 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
907 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
908 #define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06
909 #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
910 #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
911 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
912 #define KVM_GET_MSR_FEATURE_INDEX_LIST _IOWR(KVMIO, 0x0a, struct kvm_msr_list)
915 * Extension capability list.
917 #define KVM_CAP_IRQCHIP 0
918 #define KVM_CAP_HLT 1
919 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
920 #define KVM_CAP_USER_MEMORY 3
921 #define KVM_CAP_SET_TSS_ADDR 4
922 #define KVM_CAP_VAPIC 6
923 #define KVM_CAP_EXT_CPUID 7
924 #define KVM_CAP_CLOCKSOURCE 8
925 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
926 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
927 #define KVM_CAP_PIT 11
928 #define KVM_CAP_NOP_IO_DELAY 12
929 #define KVM_CAP_PV_MMU 13
930 #define KVM_CAP_MP_STATE 14
931 #define KVM_CAP_COALESCED_MMIO 15
932 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
933 #define KVM_CAP_IOMMU 18
934 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
935 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
936 #define KVM_CAP_USER_NMI 22
937 #ifdef __KVM_HAVE_GUEST_DEBUG
938 #define KVM_CAP_SET_GUEST_DEBUG 23
940 #ifdef __KVM_HAVE_PIT
941 #define KVM_CAP_REINJECT_CONTROL 24
943 #define KVM_CAP_IRQ_ROUTING 25
944 #define KVM_CAP_IRQ_INJECT_STATUS 26
945 #define KVM_CAP_ASSIGN_DEV_IRQ 29
946 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
947 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
948 #ifdef __KVM_HAVE_MCE
949 #define KVM_CAP_MCE 31
951 #define KVM_CAP_IRQFD 32
952 #ifdef __KVM_HAVE_PIT
953 #define KVM_CAP_PIT2 33
955 #define KVM_CAP_SET_BOOT_CPU_ID 34
956 #ifdef __KVM_HAVE_PIT_STATE2
957 #define KVM_CAP_PIT_STATE2 35
959 #define KVM_CAP_IOEVENTFD 36
960 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
961 #ifdef __KVM_HAVE_XEN_HVM
962 #define KVM_CAP_XEN_HVM 38
964 #define KVM_CAP_ADJUST_CLOCK 39
965 #define KVM_CAP_INTERNAL_ERROR_DATA 40
966 #ifdef __KVM_HAVE_VCPU_EVENTS
967 #define KVM_CAP_VCPU_EVENTS 41
969 #define KVM_CAP_S390_PSW 42
970 #define KVM_CAP_PPC_SEGSTATE 43
971 #define KVM_CAP_HYPERV 44
972 #define KVM_CAP_HYPERV_VAPIC 45
973 #define KVM_CAP_HYPERV_SPIN 46
974 #define KVM_CAP_PCI_SEGMENT 47
975 #define KVM_CAP_PPC_PAIRED_SINGLES 48
976 #define KVM_CAP_INTR_SHADOW 49
977 #ifdef __KVM_HAVE_DEBUGREGS
978 #define KVM_CAP_DEBUGREGS 50
980 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
981 #define KVM_CAP_PPC_OSI 52
982 #define KVM_CAP_PPC_UNSET_IRQ 53
983 #define KVM_CAP_ENABLE_CAP 54
984 #ifdef __KVM_HAVE_XSAVE
985 #define KVM_CAP_XSAVE 55
987 #ifdef __KVM_HAVE_XCRS
988 #define KVM_CAP_XCRS 56
990 #define KVM_CAP_PPC_GET_PVINFO 57
991 #define KVM_CAP_PPC_IRQ_LEVEL 58
992 #define KVM_CAP_ASYNC_PF 59
993 #define KVM_CAP_TSC_CONTROL 60
994 #define KVM_CAP_GET_TSC_KHZ 61
995 #define KVM_CAP_PPC_BOOKE_SREGS 62
996 #define KVM_CAP_SPAPR_TCE 63
997 #define KVM_CAP_PPC_SMT 64
998 #define KVM_CAP_PPC_RMA 65
999 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
1000 #define KVM_CAP_PPC_HIOR 67
1001 #define KVM_CAP_PPC_PAPR 68
1002 #define KVM_CAP_SW_TLB 69
1003 #define KVM_CAP_ONE_REG 70
1004 #define KVM_CAP_S390_GMAP 71
1005 #define KVM_CAP_TSC_DEADLINE_TIMER 72
1006 #define KVM_CAP_S390_UCONTROL 73
1007 #define KVM_CAP_SYNC_REGS 74
1008 #define KVM_CAP_PCI_2_3 75
1009 #define KVM_CAP_KVMCLOCK_CTRL 76
1010 #define KVM_CAP_SIGNAL_MSI 77
1011 #define KVM_CAP_PPC_GET_SMMU_INFO 78
1012 #define KVM_CAP_S390_COW 79
1013 #define KVM_CAP_PPC_ALLOC_HTAB 80
1014 #define KVM_CAP_READONLY_MEM 81
1015 #define KVM_CAP_IRQFD_RESAMPLE 82
1016 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
1017 #define KVM_CAP_PPC_HTAB_FD 84
1018 #define KVM_CAP_S390_CSS_SUPPORT 85
1019 #define KVM_CAP_PPC_EPR 86
1020 #define KVM_CAP_ARM_PSCI 87
1021 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
1022 #define KVM_CAP_DEVICE_CTRL 89
1023 #define KVM_CAP_IRQ_MPIC 90
1024 #define KVM_CAP_PPC_RTAS 91
1025 #define KVM_CAP_IRQ_XICS 92
1026 #define KVM_CAP_ARM_EL1_32BIT 93
1027 #define KVM_CAP_SPAPR_MULTITCE 94
1028 #define KVM_CAP_EXT_EMUL_CPUID 95
1029 #define KVM_CAP_HYPERV_TIME 96
1030 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
1031 #define KVM_CAP_ENABLE_CAP_VM 98
1032 #define KVM_CAP_S390_IRQCHIP 99
1033 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
1034 #define KVM_CAP_VM_ATTRIBUTES 101
1035 #define KVM_CAP_ARM_PSCI_0_2 102
1036 #define KVM_CAP_PPC_FIXUP_HCALL 103
1037 #define KVM_CAP_PPC_ENABLE_HCALL 104
1038 #define KVM_CAP_CHECK_EXTENSION_VM 105
1039 #define KVM_CAP_S390_USER_SIGP 106
1040 #define KVM_CAP_S390_VECTOR_REGISTERS 107
1041 #define KVM_CAP_S390_MEM_OP 108
1042 #define KVM_CAP_S390_USER_STSI 109
1043 #define KVM_CAP_S390_SKEYS 110
1044 #define KVM_CAP_MIPS_FPU 111
1045 #define KVM_CAP_MIPS_MSA 112
1046 #define KVM_CAP_S390_INJECT_IRQ 113
1047 #define KVM_CAP_S390_IRQ_STATE 114
1048 #define KVM_CAP_PPC_HWRNG 115
1049 #define KVM_CAP_DISABLE_QUIRKS 116
1050 #define KVM_CAP_X86_SMM 117
1051 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
1052 #define KVM_CAP_GUEST_DEBUG_HW_BPS 119
1053 #define KVM_CAP_GUEST_DEBUG_HW_WPS 120
1054 #define KVM_CAP_SPLIT_IRQCHIP 121
1055 #define KVM_CAP_IOEVENTFD_ANY_LENGTH 122
1056 #define KVM_CAP_HYPERV_SYNIC 123
1057 #define KVM_CAP_S390_RI 124
1058 #define KVM_CAP_SPAPR_TCE_64 125
1059 #define KVM_CAP_ARM_PMU_V3 126
1060 #define KVM_CAP_VCPU_ATTRIBUTES 127
1061 #define KVM_CAP_MAX_VCPU_ID 128
1062 #define KVM_CAP_X2APIC_API 129
1063 #define KVM_CAP_S390_USER_INSTR0 130
1064 #define KVM_CAP_MSI_DEVID 131
1065 #define KVM_CAP_PPC_HTM 132
1066 #define KVM_CAP_SPAPR_RESIZE_HPT 133
1067 #define KVM_CAP_PPC_MMU_RADIX 134
1068 #define KVM_CAP_PPC_MMU_HASH_V3 135
1069 #define KVM_CAP_IMMEDIATE_EXIT 136
1070 #define KVM_CAP_MIPS_VZ 137
1071 #define KVM_CAP_MIPS_TE 138
1072 #define KVM_CAP_MIPS_64BIT 139
1073 #define KVM_CAP_S390_GS 140
1074 #define KVM_CAP_S390_AIS 141
1075 #define KVM_CAP_SPAPR_TCE_VFIO 142
1076 #define KVM_CAP_X86_DISABLE_EXITS 143
1077 #define KVM_CAP_ARM_USER_IRQ 144
1078 #define KVM_CAP_S390_CMMA_MIGRATION 145
1079 #define KVM_CAP_PPC_FWNMI 146
1080 #define KVM_CAP_PPC_SMT_POSSIBLE 147
1081 #define KVM_CAP_HYPERV_SYNIC2 148
1082 #define KVM_CAP_HYPERV_VP_INDEX 149
1083 #define KVM_CAP_S390_AIS_MIGRATION 150
1084 #define KVM_CAP_PPC_GET_CPU_CHAR 151
1085 #define KVM_CAP_S390_BPB 152
1086 #define KVM_CAP_GET_MSR_FEATURES 153
1087 #define KVM_CAP_HYPERV_EVENTFD 154
1088 #define KVM_CAP_HYPERV_TLBFLUSH 155
1089 #define KVM_CAP_S390_HPAGE_1M 156
1090 #define KVM_CAP_NESTED_STATE 157
1091 #define KVM_CAP_ARM_INJECT_SERROR_ESR 158
1092 #define KVM_CAP_MSR_PLATFORM_INFO 159
1093 #define KVM_CAP_PPC_NESTED_HV 160
1094 #define KVM_CAP_HYPERV_SEND_IPI 161
1095 #define KVM_CAP_COALESCED_PIO 162
1096 #define KVM_CAP_HYPERV_ENLIGHTENED_VMCS 163
1097 #define KVM_CAP_EXCEPTION_PAYLOAD 164
1098 #define KVM_CAP_ARM_VM_IPA_SIZE 165
1099 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT 166 /* Obsolete */
1100 #define KVM_CAP_HYPERV_CPUID 167
1101 #define KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 168
1102 #define KVM_CAP_PPC_IRQ_XIVE 169
1103 #define KVM_CAP_ARM_SVE 170
1104 #define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
1105 #define KVM_CAP_ARM_PTRAUTH_GENERIC 172
1106 #define KVM_CAP_PMU_EVENT_FILTER 173
1107 #define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
1108 #define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
1109 #define KVM_CAP_PPC_GUEST_DEBUG_SSTEP 176
1110 #define KVM_CAP_ARM_NISV_TO_USER 177
1111 #define KVM_CAP_ARM_INJECT_EXT_DABT 178
1112 #define KVM_CAP_S390_VCPU_RESETS 179
1113 #define KVM_CAP_S390_PROTECTED 180
1114 #define KVM_CAP_PPC_SECURE_GUEST 181
1115 #define KVM_CAP_HALT_POLL 182
1116 #define KVM_CAP_ASYNC_PF_INT 183
1117 #define KVM_CAP_LAST_CPU 184
1118 #define KVM_CAP_SMALLER_MAXPHYADDR 185
1119 #define KVM_CAP_S390_DIAG318 186
1120 #define KVM_CAP_STEAL_TIME 187
1121 #define KVM_CAP_X86_USER_SPACE_MSR 188
1122 #define KVM_CAP_X86_MSR_FILTER 189
1123 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
1124 #define KVM_CAP_SYS_HYPERV_CPUID 191
1125 #define KVM_CAP_DIRTY_LOG_RING 192
1126 #define KVM_CAP_X86_BUS_LOCK_EXIT 193
1127 #define KVM_CAP_PPC_DAWR1 194
1128 #define KVM_CAP_SET_GUEST_DEBUG2 195
1129 #define KVM_CAP_SGX_ATTRIBUTE 196
1130 #define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
1131 #define KVM_CAP_PTP_KVM 198
1132 #define KVM_CAP_HYPERV_ENFORCE_CPUID 199
1133 #define KVM_CAP_SREGS2 200
1134 #define KVM_CAP_EXIT_HYPERCALL 201
1135 #define KVM_CAP_PPC_RPT_INVALIDATE 202
1136 #define KVM_CAP_BINARY_STATS_FD 203
1137 #define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
1138 #define KVM_CAP_ARM_MTE 205
1139 #define KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM 206
1140 #define KVM_CAP_VM_GPA_BITS 207
1141 #define KVM_CAP_XSAVE2 208
1142 #define KVM_CAP_SYS_ATTRIBUTES 209
1143 #define KVM_CAP_PPC_AIL_MODE_3 210
1144 #define KVM_CAP_S390_MEM_OP_EXTENSION 211
1145 #define KVM_CAP_PMU_CAPABILITY 212
1146 #define KVM_CAP_DISABLE_QUIRKS2 213
1148 #ifdef KVM_CAP_IRQ_ROUTING
1150 struct kvm_irq_routing_irqchip {
1155 struct kvm_irq_routing_msi {
1165 struct kvm_irq_routing_s390_adapter {
1169 __u32 summary_offset;
1173 struct kvm_irq_routing_hv_sint {
1178 struct kvm_irq_routing_xen_evtchn {
1184 #define KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL ((__u32)(-1))
1186 /* gsi routing entry types */
1187 #define KVM_IRQ_ROUTING_IRQCHIP 1
1188 #define KVM_IRQ_ROUTING_MSI 2
1189 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
1190 #define KVM_IRQ_ROUTING_HV_SINT 4
1191 #define KVM_IRQ_ROUTING_XEN_EVTCHN 5
1193 struct kvm_irq_routing_entry {
1199 struct kvm_irq_routing_irqchip irqchip;
1200 struct kvm_irq_routing_msi msi;
1201 struct kvm_irq_routing_s390_adapter adapter;
1202 struct kvm_irq_routing_hv_sint hv_sint;
1203 struct kvm_irq_routing_xen_evtchn xen_evtchn;
1208 struct kvm_irq_routing {
1211 struct kvm_irq_routing_entry entries[0];
1218 struct kvm_x86_mce {
1229 #ifdef KVM_CAP_XEN_HVM
1230 #define KVM_XEN_HVM_CONFIG_HYPERCALL_MSR (1 << 0)
1231 #define KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL (1 << 1)
1232 #define KVM_XEN_HVM_CONFIG_SHARED_INFO (1 << 2)
1233 #define KVM_XEN_HVM_CONFIG_RUNSTATE (1 << 3)
1234 #define KVM_XEN_HVM_CONFIG_EVTCHN_2LEVEL (1 << 4)
1236 struct kvm_xen_hvm_config {
1247 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
1249 * Available with KVM_CAP_IRQFD_RESAMPLE
1251 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
1252 * the irqfd to operate in resampling mode for level triggered interrupt
1253 * emulation. See Documentation/virt/kvm/api.rst.
1255 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
1265 /* For KVM_CAP_ADJUST_CLOCK */
1267 /* Do not use 1, KVM_CHECK_EXTENSION returned it before we had flags. */
1268 #define KVM_CLOCK_TSC_STABLE 2
1269 #define KVM_CLOCK_REALTIME (1 << 2)
1270 #define KVM_CLOCK_HOST_TSC (1 << 3)
1272 struct kvm_clock_data {
1281 /* For KVM_CAP_SW_TLB */
1283 #define KVM_MMU_FSL_BOOKE_NOHV 0
1284 #define KVM_MMU_FSL_BOOKE_HV 1
1286 struct kvm_config_tlb {
1293 struct kvm_dirty_tlb {
1298 /* Available with KVM_CAP_ONE_REG */
1300 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL
1301 #define KVM_REG_GENERIC 0x0000000000000000ULL
1304 * Architecture specific registers are to be defined in arch headers and
1305 * ORed with the arch identifier.
1307 #define KVM_REG_PPC 0x1000000000000000ULL
1308 #define KVM_REG_X86 0x2000000000000000ULL
1309 #define KVM_REG_IA64 0x3000000000000000ULL
1310 #define KVM_REG_ARM 0x4000000000000000ULL
1311 #define KVM_REG_S390 0x5000000000000000ULL
1312 #define KVM_REG_ARM64 0x6000000000000000ULL
1313 #define KVM_REG_MIPS 0x7000000000000000ULL
1314 #define KVM_REG_RISCV 0x8000000000000000ULL
1316 #define KVM_REG_SIZE_SHIFT 52
1317 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
1318 #define KVM_REG_SIZE_U8 0x0000000000000000ULL
1319 #define KVM_REG_SIZE_U16 0x0010000000000000ULL
1320 #define KVM_REG_SIZE_U32 0x0020000000000000ULL
1321 #define KVM_REG_SIZE_U64 0x0030000000000000ULL
1322 #define KVM_REG_SIZE_U128 0x0040000000000000ULL
1323 #define KVM_REG_SIZE_U256 0x0050000000000000ULL
1324 #define KVM_REG_SIZE_U512 0x0060000000000000ULL
1325 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL
1326 #define KVM_REG_SIZE_U2048 0x0080000000000000ULL
1328 struct kvm_reg_list {
1329 __u64 n; /* number of regs */
1333 struct kvm_one_reg {
1338 #define KVM_MSI_VALID_DEVID (1U << 0)
1348 struct kvm_arm_device_addr {
1354 * Device control API, available with KVM_CAP_DEVICE_CTRL
1356 #define KVM_CREATE_DEVICE_TEST 1
1358 struct kvm_create_device {
1359 __u32 type; /* in: KVM_DEV_TYPE_xxx */
1360 __u32 fd; /* out: device handle */
1361 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */
1364 struct kvm_device_attr {
1365 __u32 flags; /* no flags currently defined */
1366 __u32 group; /* device-defined */
1367 __u64 attr; /* group-defined */
1368 __u64 addr; /* userspace address of attr data */
1371 #define KVM_DEV_VFIO_GROUP 1
1372 #define KVM_DEV_VFIO_GROUP_ADD 1
1373 #define KVM_DEV_VFIO_GROUP_DEL 2
1374 #define KVM_DEV_VFIO_GROUP_SET_SPAPR_TCE 3
1376 enum kvm_device_type {
1377 KVM_DEV_TYPE_FSL_MPIC_20 = 1,
1378 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1379 KVM_DEV_TYPE_FSL_MPIC_42,
1380 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1382 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1384 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1385 KVM_DEV_TYPE_ARM_VGIC_V2,
1386 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1388 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1389 KVM_DEV_TYPE_ARM_VGIC_V3,
1390 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1391 KVM_DEV_TYPE_ARM_VGIC_ITS,
1392 #define KVM_DEV_TYPE_ARM_VGIC_ITS KVM_DEV_TYPE_ARM_VGIC_ITS
1394 #define KVM_DEV_TYPE_XIVE KVM_DEV_TYPE_XIVE
1395 KVM_DEV_TYPE_ARM_PV_TIME,
1396 #define KVM_DEV_TYPE_ARM_PV_TIME KVM_DEV_TYPE_ARM_PV_TIME
1400 struct kvm_vfio_spapr_tce {
1408 #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
1410 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1413 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1414 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1415 /* KVM_SET_MEMORY_ALIAS is obsolete: */
1416 #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
1417 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1418 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
1419 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1420 struct kvm_userspace_memory_region)
1421 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1422 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1424 /* enable ucontrol for s390 */
1425 struct kvm_s390_ucas_mapping {
1430 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1431 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1432 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1434 /* Device model IOC */
1435 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1436 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1437 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1438 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1439 #define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1440 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1441 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1442 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1443 #define KVM_REGISTER_COALESCED_MMIO \
1444 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1445 #define KVM_UNREGISTER_COALESCED_MMIO \
1446 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1447 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
1448 struct kvm_assigned_pci_dev)
1449 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1450 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1451 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
1452 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
1453 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1454 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
1455 struct kvm_assigned_pci_dev)
1456 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
1457 struct kvm_assigned_msix_nr)
1458 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
1459 struct kvm_assigned_msix_entry)
1460 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
1461 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1462 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1463 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1464 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1465 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1466 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1467 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1468 /* Available with KVM_CAP_PIT_STATE2 */
1469 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1470 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1471 /* Available with KVM_CAP_PPC_GET_PVINFO */
1472 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1473 /* Available with KVM_CAP_TSC_CONTROL */
1474 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1475 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1476 /* Available with KVM_CAP_PCI_2_3 */
1477 #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
1478 struct kvm_assigned_pci_dev)
1479 /* Available with KVM_CAP_SIGNAL_MSI */
1480 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1481 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1482 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1483 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1484 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1485 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1486 #define KVM_CREATE_SPAPR_TCE_64 _IOW(KVMIO, 0xa8, \
1487 struct kvm_create_spapr_tce_64)
1488 /* Available with KVM_CAP_RMA */
1489 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1490 /* Available with KVM_CAP_PPC_HTAB_FD */
1491 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1492 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1493 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1494 /* Available with KVM_CAP_PPC_RTAS */
1495 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1496 /* Available with KVM_CAP_SPAPR_RESIZE_HPT */
1497 #define KVM_PPC_RESIZE_HPT_PREPARE _IOR(KVMIO, 0xad, struct kvm_ppc_resize_hpt)
1498 #define KVM_PPC_RESIZE_HPT_COMMIT _IOR(KVMIO, 0xae, struct kvm_ppc_resize_hpt)
1499 /* Available with KVM_CAP_PPC_RADIX_MMU or KVM_CAP_PPC_HASH_MMU_V3 */
1500 #define KVM_PPC_CONFIGURE_V3_MMU _IOW(KVMIO, 0xaf, struct kvm_ppc_mmuv3_cfg)
1501 /* Available with KVM_CAP_PPC_RADIX_MMU */
1502 #define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
1503 /* Available with KVM_CAP_PPC_GET_CPU_CHAR */
1504 #define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char)
1505 /* Available with KVM_CAP_PMU_EVENT_FILTER */
1506 #define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
1507 #define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
1508 #define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags)
1510 /* ioctl for vm fd */
1511 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1513 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1514 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1515 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1516 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1519 * ioctls for vcpu fds
1521 #define KVM_RUN _IO(KVMIO, 0x80)
1522 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1523 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1524 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1525 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1526 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1527 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1528 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1529 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
1530 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1531 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1532 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1533 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1534 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1535 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1536 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1537 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1538 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1539 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1540 /* Available with KVM_CAP_VAPIC */
1541 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1542 /* Available with KVM_CAP_VAPIC */
1543 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1544 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1545 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1546 /* store status for s390 */
1547 #define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1548 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1549 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1550 /* initial ipl psw for s390 */
1551 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1552 /* initial reset for s390 */
1553 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1554 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1555 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1556 /* Available with KVM_CAP_USER_NMI */
1557 #define KVM_NMI _IO(KVMIO, 0x9a)
1558 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1559 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1561 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1562 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1563 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1564 /* Available with KVM_CAP_VCPU_EVENTS */
1565 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1566 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1567 /* Available with KVM_CAP_DEBUGREGS */
1568 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1569 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1571 * vcpu version available with KVM_ENABLE_CAP
1572 * vm version available with KVM_CAP_ENABLE_CAP_VM
1574 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1575 /* Available with KVM_CAP_XSAVE */
1576 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1577 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1578 /* Available with KVM_CAP_XCRS */
1579 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1580 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1581 /* Available with KVM_CAP_SW_TLB */
1582 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1583 /* Available with KVM_CAP_ONE_REG */
1584 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1585 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1586 /* VM is being stopped by host */
1587 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1588 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1589 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1590 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1591 /* Available with KVM_CAP_S390_MEM_OP */
1592 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1593 /* Available with KVM_CAP_S390_SKEYS */
1594 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1595 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1596 /* Available with KVM_CAP_S390_INJECT_IRQ */
1597 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1598 /* Available with KVM_CAP_S390_IRQ_STATE */
1599 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1600 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1601 /* Available with KVM_CAP_X86_SMM */
1602 #define KVM_SMI _IO(KVMIO, 0xb7)
1603 /* Available with KVM_CAP_S390_CMMA_MIGRATION */
1604 #define KVM_S390_GET_CMMA_BITS _IOWR(KVMIO, 0xb8, struct kvm_s390_cmma_log)
1605 #define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
1606 /* Memory Encryption Commands */
1607 #define KVM_MEMORY_ENCRYPT_OP _IOWR(KVMIO, 0xba, unsigned long)
1609 struct kvm_enc_region {
1614 #define KVM_MEMORY_ENCRYPT_REG_REGION _IOR(KVMIO, 0xbb, struct kvm_enc_region)
1615 #define KVM_MEMORY_ENCRYPT_UNREG_REGION _IOR(KVMIO, 0xbc, struct kvm_enc_region)
1617 /* Available with KVM_CAP_HYPERV_EVENTFD */
1618 #define KVM_HYPERV_EVENTFD _IOW(KVMIO, 0xbd, struct kvm_hyperv_eventfd)
1620 /* Available with KVM_CAP_NESTED_STATE */
1621 #define KVM_GET_NESTED_STATE _IOWR(KVMIO, 0xbe, struct kvm_nested_state)
1622 #define KVM_SET_NESTED_STATE _IOW(KVMIO, 0xbf, struct kvm_nested_state)
1624 /* Available with KVM_CAP_MANUAL_DIRTY_LOG_PROTECT_2 */
1625 #define KVM_CLEAR_DIRTY_LOG _IOWR(KVMIO, 0xc0, struct kvm_clear_dirty_log)
1627 /* Available with KVM_CAP_HYPERV_CPUID (vcpu) / KVM_CAP_SYS_HYPERV_CPUID (system) */
1628 #define KVM_GET_SUPPORTED_HV_CPUID _IOWR(KVMIO, 0xc1, struct kvm_cpuid2)
1630 /* Available with KVM_CAP_ARM_SVE */
1631 #define KVM_ARM_VCPU_FINALIZE _IOW(KVMIO, 0xc2, int)
1633 /* Available with KVM_CAP_S390_VCPU_RESETS */
1634 #define KVM_S390_NORMAL_RESET _IO(KVMIO, 0xc3)
1635 #define KVM_S390_CLEAR_RESET _IO(KVMIO, 0xc4)
1637 struct kvm_s390_pv_sec_parm {
1642 struct kvm_s390_pv_unp {
1651 KVM_PV_SET_SEC_PARMS,
1659 __u32 cmd; /* Command to be executed */
1660 __u16 rc; /* Ultravisor return code */
1661 __u16 rrc; /* Ultravisor return reason code */
1662 __u64 data; /* Data or address */
1663 __u32 flags; /* flags for future extensions. Must be 0 for now */
1667 /* Available with KVM_CAP_S390_PROTECTED */
1668 #define KVM_S390_PV_COMMAND _IOWR(KVMIO, 0xc5, struct kvm_pv_cmd)
1670 /* Available with KVM_CAP_X86_MSR_FILTER */
1671 #define KVM_X86_SET_MSR_FILTER _IOW(KVMIO, 0xc6, struct kvm_msr_filter)
1673 /* Available with KVM_CAP_DIRTY_LOG_RING */
1674 #define KVM_RESET_DIRTY_RINGS _IO(KVMIO, 0xc7)
1676 /* Per-VM Xen attributes */
1677 #define KVM_XEN_HVM_GET_ATTR _IOWR(KVMIO, 0xc8, struct kvm_xen_hvm_attr)
1678 #define KVM_XEN_HVM_SET_ATTR _IOW(KVMIO, 0xc9, struct kvm_xen_hvm_attr)
1680 struct kvm_xen_hvm_attr {
1691 __u32 type; /* EVTCHNSTAT_ipi / EVTCHNSTAT_interdomain */
1693 #define KVM_XEN_EVTCHN_DEASSIGN (1 << 0)
1694 #define KVM_XEN_EVTCHN_UPDATE (1 << 1)
1695 #define KVM_XEN_EVTCHN_RESET (1 << 2)
1697 * Events sent by the guest are either looped back to
1698 * the guest itself (potentially on a different port#)
1699 * or signalled via an eventfd.
1708 __u32 port; /* Zero for eventfd */
1719 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1720 #define KVM_XEN_ATTR_TYPE_LONG_MODE 0x0
1721 #define KVM_XEN_ATTR_TYPE_SHARED_INFO 0x1
1722 #define KVM_XEN_ATTR_TYPE_UPCALL_VECTOR 0x2
1723 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1724 #define KVM_XEN_ATTR_TYPE_EVTCHN 0x3
1726 /* Per-vCPU Xen attributes */
1727 #define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
1728 #define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr)
1730 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1731 #define KVM_XEN_HVM_EVTCHN_SEND _IOW(KVMIO, 0xd0, struct kvm_irq_routing_xen_evtchn)
1733 #define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2)
1734 #define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2)
1736 struct kvm_xen_vcpu_attr {
1744 __u64 state_entry_time;
1746 __u64 time_runnable;
1759 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_SHARED_INFO */
1760 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_INFO 0x0
1761 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_TIME_INFO 0x1
1762 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADDR 0x2
1763 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_CURRENT 0x3
1764 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_DATA 0x4
1765 #define KVM_XEN_VCPU_ATTR_TYPE_RUNSTATE_ADJUST 0x5
1766 /* Available with KVM_CAP_XEN_HVM / KVM_XEN_HVM_CONFIG_EVTCHN_SEND */
1767 #define KVM_XEN_VCPU_ATTR_TYPE_VCPU_ID 0x6
1768 #define KVM_XEN_VCPU_ATTR_TYPE_TIMER 0x7
1770 /* Secure Encrypted Virtualization command */
1772 /* Guest initialization commands */
1775 /* Guest launch commands */
1776 KVM_SEV_LAUNCH_START,
1777 KVM_SEV_LAUNCH_UPDATE_DATA,
1778 KVM_SEV_LAUNCH_UPDATE_VMSA,
1779 KVM_SEV_LAUNCH_SECRET,
1780 KVM_SEV_LAUNCH_MEASURE,
1781 KVM_SEV_LAUNCH_FINISH,
1782 /* Guest migration commands (outgoing) */
1784 KVM_SEV_SEND_UPDATE_DATA,
1785 KVM_SEV_SEND_UPDATE_VMSA,
1786 KVM_SEV_SEND_FINISH,
1787 /* Guest migration commands (incoming) */
1788 KVM_SEV_RECEIVE_START,
1789 KVM_SEV_RECEIVE_UPDATE_DATA,
1790 KVM_SEV_RECEIVE_UPDATE_VMSA,
1791 KVM_SEV_RECEIVE_FINISH,
1792 /* Guest status and debug commands */
1793 KVM_SEV_GUEST_STATUS,
1794 KVM_SEV_DBG_DECRYPT,
1795 KVM_SEV_DBG_ENCRYPT,
1796 /* Guest certificates commands */
1797 KVM_SEV_CERT_EXPORT,
1798 /* Attestation report */
1799 KVM_SEV_GET_ATTESTATION_REPORT,
1800 /* Guest Migration Extension */
1801 KVM_SEV_SEND_CANCEL,
1806 struct kvm_sev_cmd {
1813 struct kvm_sev_launch_start {
1818 __u64 session_uaddr;
1822 struct kvm_sev_launch_update_data {
1828 struct kvm_sev_launch_secret {
1837 struct kvm_sev_launch_measure {
1842 struct kvm_sev_guest_status {
1848 struct kvm_sev_dbg {
1854 struct kvm_sev_attestation_report {
1860 struct kvm_sev_send_start {
1862 __u64 pdh_cert_uaddr;
1864 __u64 plat_certs_uaddr;
1865 __u32 plat_certs_len;
1866 __u64 amd_certs_uaddr;
1867 __u32 amd_certs_len;
1868 __u64 session_uaddr;
1872 struct kvm_sev_send_update_data {
1881 struct kvm_sev_receive_start {
1886 __u64 session_uaddr;
1890 struct kvm_sev_receive_update_data {
1899 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
1900 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
1901 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
1903 struct kvm_assigned_pci_dev {
1904 __u32 assigned_dev_id;
1914 #define KVM_DEV_IRQ_HOST_INTX (1 << 0)
1915 #define KVM_DEV_IRQ_HOST_MSI (1 << 1)
1916 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
1918 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
1919 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
1920 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
1922 #define KVM_DEV_IRQ_HOST_MASK 0x00ff
1923 #define KVM_DEV_IRQ_GUEST_MASK 0xff00
1925 struct kvm_assigned_irq {
1926 __u32 assigned_dev_id;
1927 __u32 host_irq; /* ignored (legacy field) */
1935 struct kvm_assigned_msix_nr {
1936 __u32 assigned_dev_id;
1941 #define KVM_MAX_MSIX_PER_DEV 256
1942 struct kvm_assigned_msix_entry {
1943 __u32 assigned_dev_id;
1945 __u16 entry; /* The index of entry in the MSI-X table */
1949 #define KVM_X2APIC_API_USE_32BIT_IDS (1ULL << 0)
1950 #define KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK (1ULL << 1)
1952 /* Available with KVM_CAP_ARM_USER_IRQ */
1954 /* Bits for run->s.regs.device_irq_level */
1955 #define KVM_ARM_DEV_EL1_VTIMER (1 << 0)
1956 #define KVM_ARM_DEV_EL1_PTIMER (1 << 1)
1957 #define KVM_ARM_DEV_PMU (1 << 2)
1959 struct kvm_hyperv_eventfd {
1966 #define KVM_HYPERV_CONN_ID_MASK 0x00ffffff
1967 #define KVM_HYPERV_EVENTFD_DEASSIGN (1 << 0)
1969 #define KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (1 << 0)
1970 #define KVM_DIRTY_LOG_INITIALLY_SET (1 << 1)
1973 * Arch needs to define the macro after implementing the dirty ring
1974 * feature. KVM_DIRTY_LOG_PAGE_OFFSET should be defined as the
1975 * starting page offset of the dirty ring structures.
1977 #ifndef KVM_DIRTY_LOG_PAGE_OFFSET
1978 #define KVM_DIRTY_LOG_PAGE_OFFSET 0
1982 * KVM dirty GFN flags, defined as:
1984 * |---------------+---------------+--------------|
1985 * | bit 1 (reset) | bit 0 (dirty) | Status |
1986 * |---------------+---------------+--------------|
1987 * | 0 | 0 | Invalid GFN |
1988 * | 0 | 1 | Dirty GFN |
1989 * | 1 | X | GFN to reset |
1990 * |---------------+---------------+--------------|
1992 * Lifecycle of a dirty GFN goes like:
1994 * dirtied harvested reset
1995 * 00 -----------> 01 -------------> 1X -------+
1998 * +------------------------------------------+
2000 * The userspace program is only responsible for the 01->1X state
2001 * conversion after harvesting an entry. Also, it must not skip any
2002 * dirty bits, so that dirty bits are always harvested in sequence.
2004 #define KVM_DIRTY_GFN_F_DIRTY _BITUL(0)
2005 #define KVM_DIRTY_GFN_F_RESET _BITUL(1)
2006 #define KVM_DIRTY_GFN_F_MASK 0x3
2009 * KVM dirty rings should be mapped at KVM_DIRTY_LOG_PAGE_OFFSET of
2010 * per-vcpu mmaped regions as an array of struct kvm_dirty_gfn. The
2011 * size of the gfn buffer is decided by the first argument when
2012 * enabling KVM_CAP_DIRTY_LOG_RING.
2014 struct kvm_dirty_gfn {
2020 #define KVM_BUS_LOCK_DETECTION_OFF (1 << 0)
2021 #define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1)
2023 #define KVM_PMU_CAP_DISABLE (1 << 0)
2026 * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
2027 * @flags: Some extra information for header, always 0 for now.
2028 * @name_size: The size in bytes of the memory which contains statistics
2029 * name string including trailing '\0'. The memory is allocated
2030 * at the send of statistics descriptor.
2031 * @num_desc: The number of statistics the vm or vcpu has.
2032 * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
2033 * by vm/vcpu stats fd.
2034 * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
2035 * pointd by vm/vcpu stats fd.
2036 * @data_offset: The offset of the vm/vcpu stats' data block in the file
2037 * pointed by vm/vcpu stats fd.
2039 * This is the header userspace needs to read from stats fd before any other
2040 * readings. It is used by userspace to discover all the information about the
2041 * vm/vcpu's binary statistics.
2042 * Userspace reads this header from the start of the vm/vcpu's stats fd.
2044 struct kvm_stats_header {
2053 #define KVM_STATS_TYPE_SHIFT 0
2054 #define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT)
2055 #define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT)
2056 #define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT)
2057 #define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT)
2058 #define KVM_STATS_TYPE_LINEAR_HIST (0x3 << KVM_STATS_TYPE_SHIFT)
2059 #define KVM_STATS_TYPE_LOG_HIST (0x4 << KVM_STATS_TYPE_SHIFT)
2060 #define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_LOG_HIST
2062 #define KVM_STATS_UNIT_SHIFT 4
2063 #define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT)
2064 #define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT)
2065 #define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT)
2066 #define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT)
2067 #define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT)
2068 #define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_CYCLES
2070 #define KVM_STATS_BASE_SHIFT 8
2071 #define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT)
2072 #define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT)
2073 #define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT)
2074 #define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2
2077 * struct kvm_stats_desc - Descriptor of a KVM statistics.
2078 * @flags: Annotations of the stats, like type, unit, etc.
2079 * @exponent: Used together with @flags to determine the unit.
2080 * @size: The number of data items for this stats.
2081 * Every data item is of type __u64.
2082 * @offset: The offset of the stats to the start of stat structure in
2083 * structure kvm or kvm_vcpu.
2084 * @bucket_size: A parameter value used for histogram stats. It is only used
2085 * for linear histogram stats, specifying the size of the bucket;
2086 * @name: The name string for the stats. Its size is indicated by the
2087 * &kvm_stats_header->name_size.
2089 struct kvm_stats_desc {
2098 #define KVM_GET_STATS_FD _IO(KVMIO, 0xce)
2100 /* Available with KVM_CAP_XSAVE2 */
2101 #define KVM_GET_XSAVE2 _IOR(KVMIO, 0xcf, struct kvm_xsave)
2103 #endif /* __LINUX_KVM_H */