5 * Userspace interface for /dev/kvm - kernel based virtual machine
7 * Note: you must update KVM_API_VERSION if you change this interface.
10 #include <linux/types.h>
12 #include <linux/ioctl.h>
15 #define KVM_API_VERSION 12
17 /* *** Deprecated interfaces *** */
19 #define KVM_TRC_SHIFT 16
21 #define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT)
22 #define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1))
24 #define KVM_TRC_VMENTRY (KVM_TRC_ENTRYEXIT + 0x01)
25 #define KVM_TRC_VMEXIT (KVM_TRC_ENTRYEXIT + 0x02)
26 #define KVM_TRC_PAGE_FAULT (KVM_TRC_HANDLER + 0x01)
28 #define KVM_TRC_HEAD_SIZE 12
29 #define KVM_TRC_CYCLE_SIZE 8
30 #define KVM_TRC_EXTRA_MAX 7
32 #define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02)
33 #define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03)
34 #define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04)
35 #define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05)
36 #define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06)
37 #define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07)
38 #define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08)
39 #define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09)
40 #define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A)
41 #define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B)
42 #define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C)
43 #define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D)
44 #define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E)
45 #define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F)
46 #define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10)
47 #define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11)
48 #define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12)
49 #define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13)
50 #define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14)
51 #define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15)
52 #define KVM_TRC_GTLB_WRITE (KVM_TRC_HANDLER + 0x16)
53 #define KVM_TRC_STLB_WRITE (KVM_TRC_HANDLER + 0x17)
54 #define KVM_TRC_STLB_INVAL (KVM_TRC_HANDLER + 0x18)
55 #define KVM_TRC_PPC_INSTR (KVM_TRC_HANDLER + 0x19)
57 struct kvm_user_trace_setup
{
62 #define __KVM_DEPRECATED_MAIN_W_0x06 \
63 _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
64 #define __KVM_DEPRECATED_MAIN_0x07 _IO(KVMIO, 0x07)
65 #define __KVM_DEPRECATED_MAIN_0x08 _IO(KVMIO, 0x08)
67 #define __KVM_DEPRECATED_VM_R_0x70 _IOR(KVMIO, 0x70, struct kvm_assigned_irq)
69 struct kvm_breakpoint
{
75 struct kvm_debug_guest
{
78 struct kvm_breakpoint breakpoints
[4];
82 #define __KVM_DEPRECATED_VCPU_W_0x87 _IOW(KVMIO, 0x87, struct kvm_debug_guest)
84 /* *** End of deprecated interfaces *** */
87 /* for KVM_CREATE_MEMORY_REGION */
88 struct kvm_memory_region
{
91 __u64 guest_phys_addr
;
92 __u64 memory_size
; /* bytes */
95 /* for KVM_SET_USER_MEMORY_REGION */
96 struct kvm_userspace_memory_region
{
99 __u64 guest_phys_addr
;
100 __u64 memory_size
; /* bytes */
101 __u64 userspace_addr
; /* start of the userspace allocated memory */
105 * The bit 0 ~ bit 15 of kvm_memory_region::flags are visible for userspace,
106 * other bits are reserved for kvm internal use which are defined in
107 * include/linux/kvm_host.h.
109 #define KVM_MEM_LOG_DIRTY_PAGES (1UL << 0)
110 #define KVM_MEM_READONLY (1UL << 1)
112 /* for KVM_IRQ_LINE */
113 struct kvm_irq_level
{
115 * ACPI gsi notion of irq.
116 * For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
117 * For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
118 * For ARM: See Documentation/virtual/kvm/api.txt
132 char dummy
[512]; /* reserving space */
133 #ifdef __KVM_HAVE_PIT
134 struct kvm_pic_state pic
;
136 #ifdef __KVM_HAVE_IOAPIC
137 struct kvm_ioapic_state ioapic
;
142 /* for KVM_CREATE_PIT2 */
143 struct kvm_pit_config
{
148 #define KVM_PIT_SPEAKER_DUMMY 1
150 struct kvm_s390_skeys
{
157 #define KVM_S390_GET_SKEYS_NONE 1
158 #define KVM_S390_SKEYS_MAX 1048576
160 #define KVM_EXIT_UNKNOWN 0
161 #define KVM_EXIT_EXCEPTION 1
162 #define KVM_EXIT_IO 2
163 #define KVM_EXIT_HYPERCALL 3
164 #define KVM_EXIT_DEBUG 4
165 #define KVM_EXIT_HLT 5
166 #define KVM_EXIT_MMIO 6
167 #define KVM_EXIT_IRQ_WINDOW_OPEN 7
168 #define KVM_EXIT_SHUTDOWN 8
169 #define KVM_EXIT_FAIL_ENTRY 9
170 #define KVM_EXIT_INTR 10
171 #define KVM_EXIT_SET_TPR 11
172 #define KVM_EXIT_TPR_ACCESS 12
173 #define KVM_EXIT_S390_SIEIC 13
174 #define KVM_EXIT_S390_RESET 14
175 #define KVM_EXIT_DCR 15 /* deprecated */
176 #define KVM_EXIT_NMI 16
177 #define KVM_EXIT_INTERNAL_ERROR 17
178 #define KVM_EXIT_OSI 18
179 #define KVM_EXIT_PAPR_HCALL 19
180 #define KVM_EXIT_S390_UCONTROL 20
181 #define KVM_EXIT_WATCHDOG 21
182 #define KVM_EXIT_S390_TSCH 22
183 #define KVM_EXIT_EPR 23
184 #define KVM_EXIT_SYSTEM_EVENT 24
185 #define KVM_EXIT_S390_STSI 25
187 /* For KVM_EXIT_INTERNAL_ERROR */
188 /* Emulate instruction failed. */
189 #define KVM_INTERNAL_ERROR_EMULATION 1
190 /* Encounter unexpected simultaneous exceptions. */
191 #define KVM_INTERNAL_ERROR_SIMUL_EX 2
192 /* Encounter unexpected vm-exit due to delivery event. */
193 #define KVM_INTERNAL_ERROR_DELIVERY_EV 3
195 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
198 __u8 request_interrupt_window
;
203 __u8 ready_for_interrupt_injection
;
207 /* in (pre_kvm_run), out (post_kvm_run) */
212 /* the processor status word for s390 */
213 __u64 psw_mask
; /* psw upper half */
214 __u64 psw_addr
; /* psw lower half */
217 /* KVM_EXIT_UNKNOWN */
219 __u64 hardware_exit_reason
;
221 /* KVM_EXIT_FAIL_ENTRY */
223 __u64 hardware_entry_failure_reason
;
225 /* KVM_EXIT_EXCEPTION */
232 #define KVM_EXIT_IO_IN 0
233 #define KVM_EXIT_IO_OUT 1
235 __u8 size
; /* bytes */
238 __u64 data_offset
; /* relative to kvm_run start */
241 struct kvm_debug_exit_arch arch
;
250 /* KVM_EXIT_HYPERCALL */
258 /* KVM_EXIT_TPR_ACCESS */
264 /* KVM_EXIT_S390_SIEIC */
270 /* KVM_EXIT_S390_RESET */
271 #define KVM_S390_RESET_POR 1
272 #define KVM_S390_RESET_CLEAR 2
273 #define KVM_S390_RESET_SUBSYSTEM 4
274 #define KVM_S390_RESET_CPU_INIT 8
275 #define KVM_S390_RESET_IPL 16
276 __u64 s390_reset_flags
;
277 /* KVM_EXIT_S390_UCONTROL */
279 __u64 trans_exc_code
;
282 /* KVM_EXIT_DCR (deprecated) */
290 /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
303 /* KVM_EXIT_S390_TSCH */
316 /* KVM_EXIT_SYSTEM_EVENT */
318 #define KVM_SYSTEM_EVENT_SHUTDOWN 1
319 #define KVM_SYSTEM_EVENT_RESET 2
323 /* KVM_EXIT_S390_STSI */
332 /* Fix the size of the union. */
337 * shared registers between kvm and userspace.
338 * kvm_valid_regs specifies the register classes set by the host
339 * kvm_dirty_regs specified the register classes dirtied by userspace
340 * struct kvm_sync_regs is architecture specific, as well as the
341 * bits for kvm_valid_regs and kvm_dirty_regs
343 __u64 kvm_valid_regs
;
344 __u64 kvm_dirty_regs
;
346 struct kvm_sync_regs regs
;
351 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
353 struct kvm_coalesced_mmio_zone
{
359 struct kvm_coalesced_mmio
{
366 struct kvm_coalesced_mmio_ring
{
368 struct kvm_coalesced_mmio coalesced_mmio
[0];
371 #define KVM_COALESCED_MMIO_MAX \
372 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
373 sizeof(struct kvm_coalesced_mmio))
375 /* for KVM_TRANSLATE */
376 struct kvm_translation
{
378 __u64 linear_address
;
381 __u64 physical_address
;
388 /* for KVM_S390_MEM_OP */
389 struct kvm_s390_mem_op
{
391 __u64 gaddr
; /* the guest address */
392 __u64 flags
; /* flags */
393 __u32 size
; /* amount of bytes */
394 __u32 op
; /* type of operation */
395 __u64 buf
; /* buffer in userspace */
396 __u8 ar
; /* the access register number */
397 __u8 reserved
[31]; /* should be set to 0 */
399 /* types for kvm_s390_mem_op->op */
400 #define KVM_S390_MEMOP_LOGICAL_READ 0
401 #define KVM_S390_MEMOP_LOGICAL_WRITE 1
402 /* flags for kvm_s390_mem_op->flags */
403 #define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
404 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
406 /* for KVM_INTERRUPT */
407 struct kvm_interrupt
{
412 /* for KVM_GET_DIRTY_LOG */
413 struct kvm_dirty_log
{
417 void *dirty_bitmap
; /* one bit per page */
422 /* for KVM_SET_SIGNAL_MASK */
423 struct kvm_signal_mask
{
428 /* for KVM_TPR_ACCESS_REPORTING */
429 struct kvm_tpr_access_ctl
{
435 /* for KVM_SET_VAPIC_ADDR */
436 struct kvm_vapic_addr
{
440 /* for KVM_SET_MP_STATE */
442 /* not all states are valid on all architectures */
443 #define KVM_MP_STATE_RUNNABLE 0
444 #define KVM_MP_STATE_UNINITIALIZED 1
445 #define KVM_MP_STATE_INIT_RECEIVED 2
446 #define KVM_MP_STATE_HALTED 3
447 #define KVM_MP_STATE_SIPI_RECEIVED 4
448 #define KVM_MP_STATE_STOPPED 5
449 #define KVM_MP_STATE_CHECK_STOP 6
450 #define KVM_MP_STATE_OPERATING 7
451 #define KVM_MP_STATE_LOAD 8
453 struct kvm_mp_state
{
457 struct kvm_s390_psw
{
462 /* valid values for type in kvm_s390_interrupt */
463 #define KVM_S390_SIGP_STOP 0xfffe0000u
464 #define KVM_S390_PROGRAM_INT 0xfffe0001u
465 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
466 #define KVM_S390_RESTART 0xfffe0003u
467 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
468 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
469 #define KVM_S390_MCHK 0xfffe1000u
470 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u
471 #define KVM_S390_INT_CPU_TIMER 0xffff1005u
472 #define KVM_S390_INT_VIRTIO 0xffff2603u
473 #define KVM_S390_INT_SERVICE 0xffff2401u
474 #define KVM_S390_INT_EMERGENCY 0xffff1201u
475 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
476 /* Anything below 0xfffe0000u is taken by INT_IO */
477 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
482 #define KVM_S390_INT_IO_MIN 0x00000000u
483 #define KVM_S390_INT_IO_MAX 0xfffdffffu
486 struct kvm_s390_interrupt
{
492 struct kvm_s390_io_info
{
499 struct kvm_s390_ext_info
{
505 struct kvm_s390_pgm_info
{
506 __u64 trans_exc_code
;
520 struct kvm_s390_prefix_info
{
524 struct kvm_s390_extcall_info
{
528 struct kvm_s390_emerg_info
{
532 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
533 struct kvm_s390_stop_info
{
537 struct kvm_s390_mchk_info
{
540 __u64 failing_storage_address
;
541 __u32 ext_damage_code
;
543 __u8 fixed_logout
[16];
546 struct kvm_s390_irq
{
549 struct kvm_s390_io_info io
;
550 struct kvm_s390_ext_info ext
;
551 struct kvm_s390_pgm_info pgm
;
552 struct kvm_s390_emerg_info emerg
;
553 struct kvm_s390_extcall_info extcall
;
554 struct kvm_s390_prefix_info prefix
;
555 struct kvm_s390_stop_info stop
;
556 struct kvm_s390_mchk_info mchk
;
561 struct kvm_s390_irq_state
{
568 /* for KVM_SET_GUEST_DEBUG */
570 #define KVM_GUESTDBG_ENABLE 0x00000001
571 #define KVM_GUESTDBG_SINGLESTEP 0x00000002
573 struct kvm_guest_debug
{
576 struct kvm_guest_debug_arch arch
;
580 kvm_ioeventfd_flag_nr_datamatch
,
581 kvm_ioeventfd_flag_nr_pio
,
582 kvm_ioeventfd_flag_nr_deassign
,
583 kvm_ioeventfd_flag_nr_virtio_ccw_notify
,
584 kvm_ioeventfd_flag_nr_fast_mmio
,
585 kvm_ioeventfd_flag_nr_max
,
588 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
589 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
590 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
591 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
592 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
594 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
596 struct kvm_ioeventfd
{
598 __u64 addr
; /* legal pio/mmio address */
599 __u32 len
; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
605 /* for KVM_ENABLE_CAP */
606 struct kvm_enable_cap
{
614 /* for KVM_PPC_GET_PVINFO */
615 struct kvm_ppc_pvinfo
{
622 /* for KVM_PPC_GET_SMMU_INFO */
623 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8
625 struct kvm_ppc_one_page_size
{
626 __u32 page_shift
; /* Page shift (or 0) */
627 __u32 pte_enc
; /* Encoding in the HPTE (>>12) */
630 struct kvm_ppc_one_seg_page_size
{
631 __u32 page_shift
; /* Base page shift of segment (or 0) */
632 __u32 slb_enc
; /* SLB encoding for BookS */
633 struct kvm_ppc_one_page_size enc
[KVM_PPC_PAGE_SIZES_MAX_SZ
];
636 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001
637 #define KVM_PPC_1T_SEGMENTS 0x00000002
639 struct kvm_ppc_smmu_info
{
643 struct kvm_ppc_one_seg_page_size sps
[KVM_PPC_PAGE_SIZES_MAX_SZ
];
646 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
650 /* machine type bits, to be used as argument to KVM_CREATE_VM */
651 #define KVM_VM_S390_UCONTROL 1
653 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
654 #define KVM_VM_PPC_HV 1
655 #define KVM_VM_PPC_PR 2
657 #define KVM_S390_SIE_PAGE_OFFSET 1
660 * ioctls for /dev/kvm fds:
662 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
663 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
664 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
666 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
668 * Check if a kvm extension is available. Argument is extension number,
669 * return is 1 (yes) or 0 (no, sorry).
671 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
673 * Get size for mmap(vcpu_fd)
675 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
676 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
677 #define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06
678 #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
679 #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
680 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
683 * Extension capability list.
685 #define KVM_CAP_IRQCHIP 0
686 #define KVM_CAP_HLT 1
687 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
688 #define KVM_CAP_USER_MEMORY 3
689 #define KVM_CAP_SET_TSS_ADDR 4
690 #define KVM_CAP_VAPIC 6
691 #define KVM_CAP_EXT_CPUID 7
692 #define KVM_CAP_CLOCKSOURCE 8
693 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
694 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
695 #define KVM_CAP_PIT 11
696 #define KVM_CAP_NOP_IO_DELAY 12
697 #define KVM_CAP_PV_MMU 13
698 #define KVM_CAP_MP_STATE 14
699 #define KVM_CAP_COALESCED_MMIO 15
700 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
701 #define KVM_CAP_IOMMU 18
702 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
703 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
704 #define KVM_CAP_USER_NMI 22
705 #ifdef __KVM_HAVE_GUEST_DEBUG
706 #define KVM_CAP_SET_GUEST_DEBUG 23
708 #ifdef __KVM_HAVE_PIT
709 #define KVM_CAP_REINJECT_CONTROL 24
711 #define KVM_CAP_IRQ_ROUTING 25
712 #define KVM_CAP_IRQ_INJECT_STATUS 26
713 #define KVM_CAP_ASSIGN_DEV_IRQ 29
714 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
715 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
716 #ifdef __KVM_HAVE_MCE
717 #define KVM_CAP_MCE 31
719 #define KVM_CAP_IRQFD 32
720 #ifdef __KVM_HAVE_PIT
721 #define KVM_CAP_PIT2 33
723 #define KVM_CAP_SET_BOOT_CPU_ID 34
724 #ifdef __KVM_HAVE_PIT_STATE2
725 #define KVM_CAP_PIT_STATE2 35
727 #define KVM_CAP_IOEVENTFD 36
728 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
729 #ifdef __KVM_HAVE_XEN_HVM
730 #define KVM_CAP_XEN_HVM 38
732 #define KVM_CAP_ADJUST_CLOCK 39
733 #define KVM_CAP_INTERNAL_ERROR_DATA 40
734 #ifdef __KVM_HAVE_VCPU_EVENTS
735 #define KVM_CAP_VCPU_EVENTS 41
737 #define KVM_CAP_S390_PSW 42
738 #define KVM_CAP_PPC_SEGSTATE 43
739 #define KVM_CAP_HYPERV 44
740 #define KVM_CAP_HYPERV_VAPIC 45
741 #define KVM_CAP_HYPERV_SPIN 46
742 #define KVM_CAP_PCI_SEGMENT 47
743 #define KVM_CAP_PPC_PAIRED_SINGLES 48
744 #define KVM_CAP_INTR_SHADOW 49
745 #ifdef __KVM_HAVE_DEBUGREGS
746 #define KVM_CAP_DEBUGREGS 50
748 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
749 #define KVM_CAP_PPC_OSI 52
750 #define KVM_CAP_PPC_UNSET_IRQ 53
751 #define KVM_CAP_ENABLE_CAP 54
752 #ifdef __KVM_HAVE_XSAVE
753 #define KVM_CAP_XSAVE 55
755 #ifdef __KVM_HAVE_XCRS
756 #define KVM_CAP_XCRS 56
758 #define KVM_CAP_PPC_GET_PVINFO 57
759 #define KVM_CAP_PPC_IRQ_LEVEL 58
760 #define KVM_CAP_ASYNC_PF 59
761 #define KVM_CAP_TSC_CONTROL 60
762 #define KVM_CAP_GET_TSC_KHZ 61
763 #define KVM_CAP_PPC_BOOKE_SREGS 62
764 #define KVM_CAP_SPAPR_TCE 63
765 #define KVM_CAP_PPC_SMT 64
766 #define KVM_CAP_PPC_RMA 65
767 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
768 #define KVM_CAP_PPC_HIOR 67
769 #define KVM_CAP_PPC_PAPR 68
770 #define KVM_CAP_SW_TLB 69
771 #define KVM_CAP_ONE_REG 70
772 #define KVM_CAP_S390_GMAP 71
773 #define KVM_CAP_TSC_DEADLINE_TIMER 72
774 #define KVM_CAP_S390_UCONTROL 73
775 #define KVM_CAP_SYNC_REGS 74
776 #define KVM_CAP_PCI_2_3 75
777 #define KVM_CAP_KVMCLOCK_CTRL 76
778 #define KVM_CAP_SIGNAL_MSI 77
779 #define KVM_CAP_PPC_GET_SMMU_INFO 78
780 #define KVM_CAP_S390_COW 79
781 #define KVM_CAP_PPC_ALLOC_HTAB 80
782 #define KVM_CAP_READONLY_MEM 81
783 #define KVM_CAP_IRQFD_RESAMPLE 82
784 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
785 #define KVM_CAP_PPC_HTAB_FD 84
786 #define KVM_CAP_S390_CSS_SUPPORT 85
787 #define KVM_CAP_PPC_EPR 86
788 #define KVM_CAP_ARM_PSCI 87
789 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
790 #define KVM_CAP_DEVICE_CTRL 89
791 #define KVM_CAP_IRQ_MPIC 90
792 #define KVM_CAP_PPC_RTAS 91
793 #define KVM_CAP_IRQ_XICS 92
794 #define KVM_CAP_ARM_EL1_32BIT 93
795 #define KVM_CAP_SPAPR_MULTITCE 94
796 #define KVM_CAP_EXT_EMUL_CPUID 95
797 #define KVM_CAP_HYPERV_TIME 96
798 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
799 #define KVM_CAP_ENABLE_CAP_VM 98
800 #define KVM_CAP_S390_IRQCHIP 99
801 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
802 #define KVM_CAP_VM_ATTRIBUTES 101
803 #define KVM_CAP_ARM_PSCI_0_2 102
804 #define KVM_CAP_PPC_FIXUP_HCALL 103
805 #define KVM_CAP_PPC_ENABLE_HCALL 104
806 #define KVM_CAP_CHECK_EXTENSION_VM 105
807 #define KVM_CAP_S390_USER_SIGP 106
808 #define KVM_CAP_S390_VECTOR_REGISTERS 107
809 #define KVM_CAP_S390_MEM_OP 108
810 #define KVM_CAP_S390_USER_STSI 109
811 #define KVM_CAP_S390_SKEYS 110
812 #define KVM_CAP_MIPS_FPU 111
813 #define KVM_CAP_MIPS_MSA 112
814 #define KVM_CAP_S390_INJECT_IRQ 113
815 #define KVM_CAP_S390_IRQ_STATE 114
816 #define KVM_CAP_PPC_HWRNG 115
818 #ifdef KVM_CAP_IRQ_ROUTING
820 struct kvm_irq_routing_irqchip
{
825 struct kvm_irq_routing_msi
{
832 struct kvm_irq_routing_s390_adapter
{
836 __u32 summary_offset
;
840 /* gsi routing entry types */
841 #define KVM_IRQ_ROUTING_IRQCHIP 1
842 #define KVM_IRQ_ROUTING_MSI 2
843 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
845 struct kvm_irq_routing_entry
{
851 struct kvm_irq_routing_irqchip irqchip
;
852 struct kvm_irq_routing_msi msi
;
853 struct kvm_irq_routing_s390_adapter adapter
;
858 struct kvm_irq_routing
{
861 struct kvm_irq_routing_entry entries
[0];
879 #ifdef KVM_CAP_XEN_HVM
880 struct kvm_xen_hvm_config
{
891 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
893 * Available with KVM_CAP_IRQFD_RESAMPLE
895 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
896 * the irqfd to operate in resampling mode for level triggered interrupt
897 * emlation. See Documentation/virtual/kvm/api.txt.
899 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
909 struct kvm_clock_data
{
915 #define KVM_MMU_FSL_BOOKE_NOHV 0
916 #define KVM_MMU_FSL_BOOKE_HV 1
918 struct kvm_config_tlb
{
925 struct kvm_dirty_tlb
{
930 /* Available with KVM_CAP_ONE_REG */
932 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL
933 #define KVM_REG_GENERIC 0x0000000000000000ULL
936 * Architecture specific registers are to be defined in arch headers and
937 * ORed with the arch identifier.
939 #define KVM_REG_PPC 0x1000000000000000ULL
940 #define KVM_REG_X86 0x2000000000000000ULL
941 #define KVM_REG_IA64 0x3000000000000000ULL
942 #define KVM_REG_ARM 0x4000000000000000ULL
943 #define KVM_REG_S390 0x5000000000000000ULL
944 #define KVM_REG_ARM64 0x6000000000000000ULL
945 #define KVM_REG_MIPS 0x7000000000000000ULL
947 #define KVM_REG_SIZE_SHIFT 52
948 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
949 #define KVM_REG_SIZE_U8 0x0000000000000000ULL
950 #define KVM_REG_SIZE_U16 0x0010000000000000ULL
951 #define KVM_REG_SIZE_U32 0x0020000000000000ULL
952 #define KVM_REG_SIZE_U64 0x0030000000000000ULL
953 #define KVM_REG_SIZE_U128 0x0040000000000000ULL
954 #define KVM_REG_SIZE_U256 0x0050000000000000ULL
955 #define KVM_REG_SIZE_U512 0x0060000000000000ULL
956 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL
958 struct kvm_reg_list
{
959 __u64 n
; /* number of regs */
976 struct kvm_arm_device_addr
{
982 * Device control API, available with KVM_CAP_DEVICE_CTRL
984 #define KVM_CREATE_DEVICE_TEST 1
986 struct kvm_create_device
{
987 __u32 type
; /* in: KVM_DEV_TYPE_xxx */
988 __u32 fd
; /* out: device handle */
989 __u32 flags
; /* in: KVM_CREATE_DEVICE_xxx */
992 struct kvm_device_attr
{
993 __u32 flags
; /* no flags currently defined */
994 __u32 group
; /* device-defined */
995 __u64 attr
; /* group-defined */
996 __u64 addr
; /* userspace address of attr data */
999 #define KVM_DEV_VFIO_GROUP 1
1000 #define KVM_DEV_VFIO_GROUP_ADD 1
1001 #define KVM_DEV_VFIO_GROUP_DEL 2
1003 enum kvm_device_type
{
1004 KVM_DEV_TYPE_FSL_MPIC_20
= 1,
1005 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1006 KVM_DEV_TYPE_FSL_MPIC_42
,
1007 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1009 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1011 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1012 KVM_DEV_TYPE_ARM_VGIC_V2
,
1013 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1015 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1016 KVM_DEV_TYPE_ARM_VGIC_V3
,
1017 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1024 #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
1026 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1029 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1030 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1031 /* KVM_SET_MEMORY_ALIAS is obsolete: */
1032 #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
1033 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1034 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
1035 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1036 struct kvm_userspace_memory_region)
1037 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1038 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1040 /* enable ucontrol for s390 */
1041 struct kvm_s390_ucas_mapping
{
1046 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1047 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1048 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1050 /* Device model IOC */
1051 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1052 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1053 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1054 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1055 #define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1056 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1057 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1058 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1059 #define KVM_REGISTER_COALESCED_MMIO \
1060 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1061 #define KVM_UNREGISTER_COALESCED_MMIO \
1062 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1063 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
1064 struct kvm_assigned_pci_dev)
1065 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1066 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1067 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
1068 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
1069 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1070 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
1071 struct kvm_assigned_pci_dev)
1072 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
1073 struct kvm_assigned_msix_nr)
1074 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
1075 struct kvm_assigned_msix_entry)
1076 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
1077 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1078 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1079 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1080 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1081 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1082 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1083 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1084 /* Available with KVM_CAP_PIT_STATE2 */
1085 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1086 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1087 /* Available with KVM_CAP_PPC_GET_PVINFO */
1088 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1089 /* Available with KVM_CAP_TSC_CONTROL */
1090 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1091 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1092 /* Available with KVM_CAP_PCI_2_3 */
1093 #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
1094 struct kvm_assigned_pci_dev)
1095 /* Available with KVM_CAP_SIGNAL_MSI */
1096 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1097 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1098 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1099 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1100 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1101 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1102 /* Available with KVM_CAP_RMA */
1103 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1104 /* Available with KVM_CAP_PPC_HTAB_FD */
1105 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1106 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1107 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1108 /* Available with KVM_CAP_PPC_RTAS */
1109 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1111 /* ioctl for vm fd */
1112 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1114 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1115 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1116 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1117 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1120 * ioctls for vcpu fds
1122 #define KVM_RUN _IO(KVMIO, 0x80)
1123 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1124 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1125 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1126 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1127 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1128 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1129 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1130 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
1131 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1132 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1133 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1134 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1135 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1136 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1137 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1138 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1139 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1140 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1141 /* Available with KVM_CAP_VAPIC */
1142 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1143 /* Available with KVM_CAP_VAPIC */
1144 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1145 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1146 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1147 /* store status for s390 */
1148 #define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1149 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1150 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1151 /* initial ipl psw for s390 */
1152 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1153 /* initial reset for s390 */
1154 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1155 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1156 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1157 /* Available with KVM_CAP_USER_NMI */
1158 #define KVM_NMI _IO(KVMIO, 0x9a)
1159 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1160 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1162 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1163 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1164 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1165 /* Available with KVM_CAP_VCPU_EVENTS */
1166 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1167 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1168 /* Available with KVM_CAP_DEBUGREGS */
1169 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1170 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1172 * vcpu version available with KVM_ENABLE_CAP
1173 * vm version available with KVM_CAP_ENABLE_CAP_VM
1175 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1176 /* Available with KVM_CAP_XSAVE */
1177 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1178 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1179 /* Available with KVM_CAP_XCRS */
1180 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1181 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1182 /* Available with KVM_CAP_SW_TLB */
1183 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1184 /* Available with KVM_CAP_ONE_REG */
1185 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1186 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1187 /* VM is being stopped by host */
1188 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1189 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1190 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1191 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1192 /* Available with KVM_CAP_S390_MEM_OP */
1193 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1194 /* Available with KVM_CAP_S390_SKEYS */
1195 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1196 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1197 /* Available with KVM_CAP_S390_INJECT_IRQ */
1198 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1199 /* Available with KVM_CAP_S390_IRQ_STATE */
1200 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1201 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1203 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
1204 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
1205 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
1207 struct kvm_assigned_pci_dev
{
1208 __u32 assigned_dev_id
;
1218 #define KVM_DEV_IRQ_HOST_INTX (1 << 0)
1219 #define KVM_DEV_IRQ_HOST_MSI (1 << 1)
1220 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
1222 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
1223 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
1224 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
1226 #define KVM_DEV_IRQ_HOST_MASK 0x00ff
1227 #define KVM_DEV_IRQ_GUEST_MASK 0xff00
1229 struct kvm_assigned_irq
{
1230 __u32 assigned_dev_id
;
1231 __u32 host_irq
; /* ignored (legacy field) */
1239 struct kvm_assigned_msix_nr
{
1240 __u32 assigned_dev_id
;
1245 #define KVM_MAX_MSIX_PER_DEV 256
1246 struct kvm_assigned_msix_entry
{
1247 __u32 assigned_dev_id
;
1249 __u16 entry
; /* The index of entry in the MSI-X table */
1253 #endif /* __LINUX_KVM_H */