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>
11 #include <linux/compiler.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
320 #define KVM_SYSTEM_EVENT_CRASH 3
324 /* KVM_EXIT_S390_STSI */
333 /* Fix the size of the union. */
338 * shared registers between kvm and userspace.
339 * kvm_valid_regs specifies the register classes set by the host
340 * kvm_dirty_regs specified the register classes dirtied by userspace
341 * struct kvm_sync_regs is architecture specific, as well as the
342 * bits for kvm_valid_regs and kvm_dirty_regs
344 __u64 kvm_valid_regs;
345 __u64 kvm_dirty_regs;
347 struct kvm_sync_regs regs;
352 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
354 struct kvm_coalesced_mmio_zone {
360 struct kvm_coalesced_mmio {
367 struct kvm_coalesced_mmio_ring {
369 struct kvm_coalesced_mmio coalesced_mmio[0];
372 #define KVM_COALESCED_MMIO_MAX \
373 ((PAGE_SIZE - sizeof(struct kvm_coalesced_mmio_ring)) / \
374 sizeof(struct kvm_coalesced_mmio))
376 /* for KVM_TRANSLATE */
377 struct kvm_translation {
379 __u64 linear_address;
382 __u64 physical_address;
389 /* for KVM_S390_MEM_OP */
390 struct kvm_s390_mem_op {
392 __u64 gaddr; /* the guest address */
393 __u64 flags; /* flags */
394 __u32 size; /* amount of bytes */
395 __u32 op; /* type of operation */
396 __u64 buf; /* buffer in userspace */
397 __u8 ar; /* the access register number */
398 __u8 reserved[31]; /* should be set to 0 */
400 /* types for kvm_s390_mem_op->op */
401 #define KVM_S390_MEMOP_LOGICAL_READ 0
402 #define KVM_S390_MEMOP_LOGICAL_WRITE 1
403 /* flags for kvm_s390_mem_op->flags */
404 #define KVM_S390_MEMOP_F_CHECK_ONLY (1ULL << 0)
405 #define KVM_S390_MEMOP_F_INJECT_EXCEPTION (1ULL << 1)
407 /* for KVM_INTERRUPT */
408 struct kvm_interrupt {
413 /* for KVM_GET_DIRTY_LOG */
414 struct kvm_dirty_log {
418 void __user *dirty_bitmap; /* one bit per page */
423 /* for KVM_SET_SIGNAL_MASK */
424 struct kvm_signal_mask {
429 /* for KVM_TPR_ACCESS_REPORTING */
430 struct kvm_tpr_access_ctl {
436 /* for KVM_SET_VAPIC_ADDR */
437 struct kvm_vapic_addr {
441 /* for KVM_SET_MP_STATE */
443 /* not all states are valid on all architectures */
444 #define KVM_MP_STATE_RUNNABLE 0
445 #define KVM_MP_STATE_UNINITIALIZED 1
446 #define KVM_MP_STATE_INIT_RECEIVED 2
447 #define KVM_MP_STATE_HALTED 3
448 #define KVM_MP_STATE_SIPI_RECEIVED 4
449 #define KVM_MP_STATE_STOPPED 5
450 #define KVM_MP_STATE_CHECK_STOP 6
451 #define KVM_MP_STATE_OPERATING 7
452 #define KVM_MP_STATE_LOAD 8
454 struct kvm_mp_state {
458 struct kvm_s390_psw {
463 /* valid values for type in kvm_s390_interrupt */
464 #define KVM_S390_SIGP_STOP 0xfffe0000u
465 #define KVM_S390_PROGRAM_INT 0xfffe0001u
466 #define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
467 #define KVM_S390_RESTART 0xfffe0003u
468 #define KVM_S390_INT_PFAULT_INIT 0xfffe0004u
469 #define KVM_S390_INT_PFAULT_DONE 0xfffe0005u
470 #define KVM_S390_MCHK 0xfffe1000u
471 #define KVM_S390_INT_CLOCK_COMP 0xffff1004u
472 #define KVM_S390_INT_CPU_TIMER 0xffff1005u
473 #define KVM_S390_INT_VIRTIO 0xffff2603u
474 #define KVM_S390_INT_SERVICE 0xffff2401u
475 #define KVM_S390_INT_EMERGENCY 0xffff1201u
476 #define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
477 /* Anything below 0xfffe0000u is taken by INT_IO */
478 #define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
483 #define KVM_S390_INT_IO_MIN 0x00000000u
484 #define KVM_S390_INT_IO_MAX 0xfffdffffu
485 #define KVM_S390_INT_IO_AI_MASK 0x04000000u
488 struct kvm_s390_interrupt {
494 struct kvm_s390_io_info {
501 struct kvm_s390_ext_info {
507 struct kvm_s390_pgm_info {
508 __u64 trans_exc_code;
522 struct kvm_s390_prefix_info {
526 struct kvm_s390_extcall_info {
530 struct kvm_s390_emerg_info {
534 #define KVM_S390_STOP_FLAG_STORE_STATUS 0x01
535 struct kvm_s390_stop_info {
539 struct kvm_s390_mchk_info {
542 __u64 failing_storage_address;
543 __u32 ext_damage_code;
545 __u8 fixed_logout[16];
548 struct kvm_s390_irq {
551 struct kvm_s390_io_info io;
552 struct kvm_s390_ext_info ext;
553 struct kvm_s390_pgm_info pgm;
554 struct kvm_s390_emerg_info emerg;
555 struct kvm_s390_extcall_info extcall;
556 struct kvm_s390_prefix_info prefix;
557 struct kvm_s390_stop_info stop;
558 struct kvm_s390_mchk_info mchk;
563 struct kvm_s390_irq_state {
570 /* for KVM_SET_GUEST_DEBUG */
572 #define KVM_GUESTDBG_ENABLE 0x00000001
573 #define KVM_GUESTDBG_SINGLESTEP 0x00000002
575 struct kvm_guest_debug {
578 struct kvm_guest_debug_arch arch;
582 kvm_ioeventfd_flag_nr_datamatch,
583 kvm_ioeventfd_flag_nr_pio,
584 kvm_ioeventfd_flag_nr_deassign,
585 kvm_ioeventfd_flag_nr_virtio_ccw_notify,
586 kvm_ioeventfd_flag_nr_fast_mmio,
587 kvm_ioeventfd_flag_nr_max,
590 #define KVM_IOEVENTFD_FLAG_DATAMATCH (1 << kvm_ioeventfd_flag_nr_datamatch)
591 #define KVM_IOEVENTFD_FLAG_PIO (1 << kvm_ioeventfd_flag_nr_pio)
592 #define KVM_IOEVENTFD_FLAG_DEASSIGN (1 << kvm_ioeventfd_flag_nr_deassign)
593 #define KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY \
594 (1 << kvm_ioeventfd_flag_nr_virtio_ccw_notify)
596 #define KVM_IOEVENTFD_VALID_FLAG_MASK ((1 << kvm_ioeventfd_flag_nr_max) - 1)
598 struct kvm_ioeventfd {
600 __u64 addr; /* legal pio/mmio address */
601 __u32 len; /* 1, 2, 4, or 8 bytes; or 0 to ignore length */
607 /* for KVM_ENABLE_CAP */
608 struct kvm_enable_cap {
616 /* for KVM_PPC_GET_PVINFO */
617 struct kvm_ppc_pvinfo {
624 /* for KVM_PPC_GET_SMMU_INFO */
625 #define KVM_PPC_PAGE_SIZES_MAX_SZ 8
627 struct kvm_ppc_one_page_size {
628 __u32 page_shift; /* Page shift (or 0) */
629 __u32 pte_enc; /* Encoding in the HPTE (>>12) */
632 struct kvm_ppc_one_seg_page_size {
633 __u32 page_shift; /* Base page shift of segment (or 0) */
634 __u32 slb_enc; /* SLB encoding for BookS */
635 struct kvm_ppc_one_page_size enc[KVM_PPC_PAGE_SIZES_MAX_SZ];
638 #define KVM_PPC_PAGE_SIZES_REAL 0x00000001
639 #define KVM_PPC_1T_SEGMENTS 0x00000002
641 struct kvm_ppc_smmu_info {
645 struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
648 #define KVM_PPC_PVINFO_FLAGS_EV_IDLE (1<<0)
652 /* machine type bits, to be used as argument to KVM_CREATE_VM */
653 #define KVM_VM_S390_UCONTROL 1
655 /* on ppc, 0 indicate default, 1 should force HV and 2 PR */
656 #define KVM_VM_PPC_HV 1
657 #define KVM_VM_PPC_PR 2
659 #define KVM_S390_SIE_PAGE_OFFSET 1
662 * ioctls for /dev/kvm fds:
664 #define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
665 #define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
666 #define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
668 #define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
670 * Check if a kvm extension is available. Argument is extension number,
671 * return is 1 (yes) or 0 (no, sorry).
673 #define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
675 * Get size for mmap(vcpu_fd)
677 #define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
678 #define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
679 #define KVM_TRACE_ENABLE __KVM_DEPRECATED_MAIN_W_0x06
680 #define KVM_TRACE_PAUSE __KVM_DEPRECATED_MAIN_0x07
681 #define KVM_TRACE_DISABLE __KVM_DEPRECATED_MAIN_0x08
682 #define KVM_GET_EMULATED_CPUID _IOWR(KVMIO, 0x09, struct kvm_cpuid2)
685 * Extension capability list.
687 #define KVM_CAP_IRQCHIP 0
688 #define KVM_CAP_HLT 1
689 #define KVM_CAP_MMU_SHADOW_CACHE_CONTROL 2
690 #define KVM_CAP_USER_MEMORY 3
691 #define KVM_CAP_SET_TSS_ADDR 4
692 #define KVM_CAP_VAPIC 6
693 #define KVM_CAP_EXT_CPUID 7
694 #define KVM_CAP_CLOCKSOURCE 8
695 #define KVM_CAP_NR_VCPUS 9 /* returns recommended max vcpus per vm */
696 #define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
697 #define KVM_CAP_PIT 11
698 #define KVM_CAP_NOP_IO_DELAY 12
699 #define KVM_CAP_PV_MMU 13
700 #define KVM_CAP_MP_STATE 14
701 #define KVM_CAP_COALESCED_MMIO 15
702 #define KVM_CAP_SYNC_MMU 16 /* Changes to host mmap are reflected in guest */
703 #define KVM_CAP_IOMMU 18
704 /* Bug in KVM_SET_USER_MEMORY_REGION fixed: */
705 #define KVM_CAP_DESTROY_MEMORY_REGION_WORKS 21
706 #define KVM_CAP_USER_NMI 22
707 #ifdef __KVM_HAVE_GUEST_DEBUG
708 #define KVM_CAP_SET_GUEST_DEBUG 23
710 #ifdef __KVM_HAVE_PIT
711 #define KVM_CAP_REINJECT_CONTROL 24
713 #define KVM_CAP_IRQ_ROUTING 25
714 #define KVM_CAP_IRQ_INJECT_STATUS 26
715 #define KVM_CAP_ASSIGN_DEV_IRQ 29
716 /* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
717 #define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
718 #ifdef __KVM_HAVE_MCE
719 #define KVM_CAP_MCE 31
721 #define KVM_CAP_IRQFD 32
722 #ifdef __KVM_HAVE_PIT
723 #define KVM_CAP_PIT2 33
725 #define KVM_CAP_SET_BOOT_CPU_ID 34
726 #ifdef __KVM_HAVE_PIT_STATE2
727 #define KVM_CAP_PIT_STATE2 35
729 #define KVM_CAP_IOEVENTFD 36
730 #define KVM_CAP_SET_IDENTITY_MAP_ADDR 37
731 #ifdef __KVM_HAVE_XEN_HVM
732 #define KVM_CAP_XEN_HVM 38
734 #define KVM_CAP_ADJUST_CLOCK 39
735 #define KVM_CAP_INTERNAL_ERROR_DATA 40
736 #ifdef __KVM_HAVE_VCPU_EVENTS
737 #define KVM_CAP_VCPU_EVENTS 41
739 #define KVM_CAP_S390_PSW 42
740 #define KVM_CAP_PPC_SEGSTATE 43
741 #define KVM_CAP_HYPERV 44
742 #define KVM_CAP_HYPERV_VAPIC 45
743 #define KVM_CAP_HYPERV_SPIN 46
744 #define KVM_CAP_PCI_SEGMENT 47
745 #define KVM_CAP_PPC_PAIRED_SINGLES 48
746 #define KVM_CAP_INTR_SHADOW 49
747 #ifdef __KVM_HAVE_DEBUGREGS
748 #define KVM_CAP_DEBUGREGS 50
750 #define KVM_CAP_X86_ROBUST_SINGLESTEP 51
751 #define KVM_CAP_PPC_OSI 52
752 #define KVM_CAP_PPC_UNSET_IRQ 53
753 #define KVM_CAP_ENABLE_CAP 54
754 #ifdef __KVM_HAVE_XSAVE
755 #define KVM_CAP_XSAVE 55
757 #ifdef __KVM_HAVE_XCRS
758 #define KVM_CAP_XCRS 56
760 #define KVM_CAP_PPC_GET_PVINFO 57
761 #define KVM_CAP_PPC_IRQ_LEVEL 58
762 #define KVM_CAP_ASYNC_PF 59
763 #define KVM_CAP_TSC_CONTROL 60
764 #define KVM_CAP_GET_TSC_KHZ 61
765 #define KVM_CAP_PPC_BOOKE_SREGS 62
766 #define KVM_CAP_SPAPR_TCE 63
767 #define KVM_CAP_PPC_SMT 64
768 #define KVM_CAP_PPC_RMA 65
769 #define KVM_CAP_MAX_VCPUS 66 /* returns max vcpus per vm */
770 #define KVM_CAP_PPC_HIOR 67
771 #define KVM_CAP_PPC_PAPR 68
772 #define KVM_CAP_SW_TLB 69
773 #define KVM_CAP_ONE_REG 70
774 #define KVM_CAP_S390_GMAP 71
775 #define KVM_CAP_TSC_DEADLINE_TIMER 72
776 #define KVM_CAP_S390_UCONTROL 73
777 #define KVM_CAP_SYNC_REGS 74
778 #define KVM_CAP_PCI_2_3 75
779 #define KVM_CAP_KVMCLOCK_CTRL 76
780 #define KVM_CAP_SIGNAL_MSI 77
781 #define KVM_CAP_PPC_GET_SMMU_INFO 78
782 #define KVM_CAP_S390_COW 79
783 #define KVM_CAP_PPC_ALLOC_HTAB 80
784 #define KVM_CAP_READONLY_MEM 81
785 #define KVM_CAP_IRQFD_RESAMPLE 82
786 #define KVM_CAP_PPC_BOOKE_WATCHDOG 83
787 #define KVM_CAP_PPC_HTAB_FD 84
788 #define KVM_CAP_S390_CSS_SUPPORT 85
789 #define KVM_CAP_PPC_EPR 86
790 #define KVM_CAP_ARM_PSCI 87
791 #define KVM_CAP_ARM_SET_DEVICE_ADDR 88
792 #define KVM_CAP_DEVICE_CTRL 89
793 #define KVM_CAP_IRQ_MPIC 90
794 #define KVM_CAP_PPC_RTAS 91
795 #define KVM_CAP_IRQ_XICS 92
796 #define KVM_CAP_ARM_EL1_32BIT 93
797 #define KVM_CAP_SPAPR_MULTITCE 94
798 #define KVM_CAP_EXT_EMUL_CPUID 95
799 #define KVM_CAP_HYPERV_TIME 96
800 #define KVM_CAP_IOAPIC_POLARITY_IGNORED 97
801 #define KVM_CAP_ENABLE_CAP_VM 98
802 #define KVM_CAP_S390_IRQCHIP 99
803 #define KVM_CAP_IOEVENTFD_NO_LENGTH 100
804 #define KVM_CAP_VM_ATTRIBUTES 101
805 #define KVM_CAP_ARM_PSCI_0_2 102
806 #define KVM_CAP_PPC_FIXUP_HCALL 103
807 #define KVM_CAP_PPC_ENABLE_HCALL 104
808 #define KVM_CAP_CHECK_EXTENSION_VM 105
809 #define KVM_CAP_S390_USER_SIGP 106
810 #define KVM_CAP_S390_VECTOR_REGISTERS 107
811 #define KVM_CAP_S390_MEM_OP 108
812 #define KVM_CAP_S390_USER_STSI 109
813 #define KVM_CAP_S390_SKEYS 110
814 #define KVM_CAP_MIPS_FPU 111
815 #define KVM_CAP_MIPS_MSA 112
816 #define KVM_CAP_S390_INJECT_IRQ 113
817 #define KVM_CAP_S390_IRQ_STATE 114
818 #define KVM_CAP_PPC_HWRNG 115
819 #define KVM_CAP_DISABLE_QUIRKS 116
820 #define KVM_CAP_X86_SMM 117
821 #define KVM_CAP_MULTI_ADDRESS_SPACE 118
823 #ifdef KVM_CAP_IRQ_ROUTING
825 struct kvm_irq_routing_irqchip {
830 struct kvm_irq_routing_msi {
837 struct kvm_irq_routing_s390_adapter {
841 __u32 summary_offset;
845 /* gsi routing entry types */
846 #define KVM_IRQ_ROUTING_IRQCHIP 1
847 #define KVM_IRQ_ROUTING_MSI 2
848 #define KVM_IRQ_ROUTING_S390_ADAPTER 3
850 struct kvm_irq_routing_entry {
856 struct kvm_irq_routing_irqchip irqchip;
857 struct kvm_irq_routing_msi msi;
858 struct kvm_irq_routing_s390_adapter adapter;
863 struct kvm_irq_routing {
866 struct kvm_irq_routing_entry entries[0];
884 #ifdef KVM_CAP_XEN_HVM
885 struct kvm_xen_hvm_config {
896 #define KVM_IRQFD_FLAG_DEASSIGN (1 << 0)
898 * Available with KVM_CAP_IRQFD_RESAMPLE
900 * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
901 * the irqfd to operate in resampling mode for level triggered interrupt
902 * emulation. See Documentation/virtual/kvm/api.txt.
904 #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
914 struct kvm_clock_data {
920 #define KVM_MMU_FSL_BOOKE_NOHV 0
921 #define KVM_MMU_FSL_BOOKE_HV 1
923 struct kvm_config_tlb {
930 struct kvm_dirty_tlb {
935 /* Available with KVM_CAP_ONE_REG */
937 #define KVM_REG_ARCH_MASK 0xff00000000000000ULL
938 #define KVM_REG_GENERIC 0x0000000000000000ULL
941 * Architecture specific registers are to be defined in arch headers and
942 * ORed with the arch identifier.
944 #define KVM_REG_PPC 0x1000000000000000ULL
945 #define KVM_REG_X86 0x2000000000000000ULL
946 #define KVM_REG_IA64 0x3000000000000000ULL
947 #define KVM_REG_ARM 0x4000000000000000ULL
948 #define KVM_REG_S390 0x5000000000000000ULL
949 #define KVM_REG_ARM64 0x6000000000000000ULL
950 #define KVM_REG_MIPS 0x7000000000000000ULL
952 #define KVM_REG_SIZE_SHIFT 52
953 #define KVM_REG_SIZE_MASK 0x00f0000000000000ULL
954 #define KVM_REG_SIZE_U8 0x0000000000000000ULL
955 #define KVM_REG_SIZE_U16 0x0010000000000000ULL
956 #define KVM_REG_SIZE_U32 0x0020000000000000ULL
957 #define KVM_REG_SIZE_U64 0x0030000000000000ULL
958 #define KVM_REG_SIZE_U128 0x0040000000000000ULL
959 #define KVM_REG_SIZE_U256 0x0050000000000000ULL
960 #define KVM_REG_SIZE_U512 0x0060000000000000ULL
961 #define KVM_REG_SIZE_U1024 0x0070000000000000ULL
963 struct kvm_reg_list {
964 __u64 n; /* number of regs */
981 struct kvm_arm_device_addr {
987 * Device control API, available with KVM_CAP_DEVICE_CTRL
989 #define KVM_CREATE_DEVICE_TEST 1
991 struct kvm_create_device {
992 __u32 type; /* in: KVM_DEV_TYPE_xxx */
993 __u32 fd; /* out: device handle */
994 __u32 flags; /* in: KVM_CREATE_DEVICE_xxx */
997 struct kvm_device_attr {
998 __u32 flags; /* no flags currently defined */
999 __u32 group; /* device-defined */
1000 __u64 attr; /* group-defined */
1001 __u64 addr; /* userspace address of attr data */
1004 #define KVM_DEV_VFIO_GROUP 1
1005 #define KVM_DEV_VFIO_GROUP_ADD 1
1006 #define KVM_DEV_VFIO_GROUP_DEL 2
1008 enum kvm_device_type {
1009 KVM_DEV_TYPE_FSL_MPIC_20 = 1,
1010 #define KVM_DEV_TYPE_FSL_MPIC_20 KVM_DEV_TYPE_FSL_MPIC_20
1011 KVM_DEV_TYPE_FSL_MPIC_42,
1012 #define KVM_DEV_TYPE_FSL_MPIC_42 KVM_DEV_TYPE_FSL_MPIC_42
1014 #define KVM_DEV_TYPE_XICS KVM_DEV_TYPE_XICS
1016 #define KVM_DEV_TYPE_VFIO KVM_DEV_TYPE_VFIO
1017 KVM_DEV_TYPE_ARM_VGIC_V2,
1018 #define KVM_DEV_TYPE_ARM_VGIC_V2 KVM_DEV_TYPE_ARM_VGIC_V2
1020 #define KVM_DEV_TYPE_FLIC KVM_DEV_TYPE_FLIC
1021 KVM_DEV_TYPE_ARM_VGIC_V3,
1022 #define KVM_DEV_TYPE_ARM_VGIC_V3 KVM_DEV_TYPE_ARM_VGIC_V3
1029 #define KVM_SET_MEMORY_REGION _IOW(KVMIO, 0x40, struct kvm_memory_region)
1031 * KVM_CREATE_VCPU receives as a parameter the vcpu slot, and returns
1034 #define KVM_CREATE_VCPU _IO(KVMIO, 0x41)
1035 #define KVM_GET_DIRTY_LOG _IOW(KVMIO, 0x42, struct kvm_dirty_log)
1036 /* KVM_SET_MEMORY_ALIAS is obsolete: */
1037 #define KVM_SET_MEMORY_ALIAS _IOW(KVMIO, 0x43, struct kvm_memory_alias)
1038 #define KVM_SET_NR_MMU_PAGES _IO(KVMIO, 0x44)
1039 #define KVM_GET_NR_MMU_PAGES _IO(KVMIO, 0x45)
1040 #define KVM_SET_USER_MEMORY_REGION _IOW(KVMIO, 0x46, \
1041 struct kvm_userspace_memory_region)
1042 #define KVM_SET_TSS_ADDR _IO(KVMIO, 0x47)
1043 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO, 0x48, __u64)
1045 /* enable ucontrol for s390 */
1046 struct kvm_s390_ucas_mapping {
1051 #define KVM_S390_UCAS_MAP _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
1052 #define KVM_S390_UCAS_UNMAP _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
1053 #define KVM_S390_VCPU_FAULT _IOW(KVMIO, 0x52, unsigned long)
1055 /* Device model IOC */
1056 #define KVM_CREATE_IRQCHIP _IO(KVMIO, 0x60)
1057 #define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
1058 #define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
1059 #define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
1060 #define KVM_CREATE_PIT _IO(KVMIO, 0x64)
1061 #define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
1062 #define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
1063 #define KVM_IRQ_LINE_STATUS _IOWR(KVMIO, 0x67, struct kvm_irq_level)
1064 #define KVM_REGISTER_COALESCED_MMIO \
1065 _IOW(KVMIO, 0x67, struct kvm_coalesced_mmio_zone)
1066 #define KVM_UNREGISTER_COALESCED_MMIO \
1067 _IOW(KVMIO, 0x68, struct kvm_coalesced_mmio_zone)
1068 #define KVM_ASSIGN_PCI_DEVICE _IOR(KVMIO, 0x69, \
1069 struct kvm_assigned_pci_dev)
1070 #define KVM_SET_GSI_ROUTING _IOW(KVMIO, 0x6a, struct kvm_irq_routing)
1071 /* deprecated, replaced by KVM_ASSIGN_DEV_IRQ */
1072 #define KVM_ASSIGN_IRQ __KVM_DEPRECATED_VM_R_0x70
1073 #define KVM_ASSIGN_DEV_IRQ _IOW(KVMIO, 0x70, struct kvm_assigned_irq)
1074 #define KVM_REINJECT_CONTROL _IO(KVMIO, 0x71)
1075 #define KVM_DEASSIGN_PCI_DEVICE _IOW(KVMIO, 0x72, \
1076 struct kvm_assigned_pci_dev)
1077 #define KVM_ASSIGN_SET_MSIX_NR _IOW(KVMIO, 0x73, \
1078 struct kvm_assigned_msix_nr)
1079 #define KVM_ASSIGN_SET_MSIX_ENTRY _IOW(KVMIO, 0x74, \
1080 struct kvm_assigned_msix_entry)
1081 #define KVM_DEASSIGN_DEV_IRQ _IOW(KVMIO, 0x75, struct kvm_assigned_irq)
1082 #define KVM_IRQFD _IOW(KVMIO, 0x76, struct kvm_irqfd)
1083 #define KVM_CREATE_PIT2 _IOW(KVMIO, 0x77, struct kvm_pit_config)
1084 #define KVM_SET_BOOT_CPU_ID _IO(KVMIO, 0x78)
1085 #define KVM_IOEVENTFD _IOW(KVMIO, 0x79, struct kvm_ioeventfd)
1086 #define KVM_XEN_HVM_CONFIG _IOW(KVMIO, 0x7a, struct kvm_xen_hvm_config)
1087 #define KVM_SET_CLOCK _IOW(KVMIO, 0x7b, struct kvm_clock_data)
1088 #define KVM_GET_CLOCK _IOR(KVMIO, 0x7c, struct kvm_clock_data)
1089 /* Available with KVM_CAP_PIT_STATE2 */
1090 #define KVM_GET_PIT2 _IOR(KVMIO, 0x9f, struct kvm_pit_state2)
1091 #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2)
1092 /* Available with KVM_CAP_PPC_GET_PVINFO */
1093 #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct kvm_ppc_pvinfo)
1094 /* Available with KVM_CAP_TSC_CONTROL */
1095 #define KVM_SET_TSC_KHZ _IO(KVMIO, 0xa2)
1096 #define KVM_GET_TSC_KHZ _IO(KVMIO, 0xa3)
1097 /* Available with KVM_CAP_PCI_2_3 */
1098 #define KVM_ASSIGN_SET_INTX_MASK _IOW(KVMIO, 0xa4, \
1099 struct kvm_assigned_pci_dev)
1100 /* Available with KVM_CAP_SIGNAL_MSI */
1101 #define KVM_SIGNAL_MSI _IOW(KVMIO, 0xa5, struct kvm_msi)
1102 /* Available with KVM_CAP_PPC_GET_SMMU_INFO */
1103 #define KVM_PPC_GET_SMMU_INFO _IOR(KVMIO, 0xa6, struct kvm_ppc_smmu_info)
1104 /* Available with KVM_CAP_PPC_ALLOC_HTAB */
1105 #define KVM_PPC_ALLOCATE_HTAB _IOWR(KVMIO, 0xa7, __u32)
1106 #define KVM_CREATE_SPAPR_TCE _IOW(KVMIO, 0xa8, struct kvm_create_spapr_tce)
1107 /* Available with KVM_CAP_RMA */
1108 #define KVM_ALLOCATE_RMA _IOR(KVMIO, 0xa9, struct kvm_allocate_rma)
1109 /* Available with KVM_CAP_PPC_HTAB_FD */
1110 #define KVM_PPC_GET_HTAB_FD _IOW(KVMIO, 0xaa, struct kvm_get_htab_fd)
1111 /* Available with KVM_CAP_ARM_SET_DEVICE_ADDR */
1112 #define KVM_ARM_SET_DEVICE_ADDR _IOW(KVMIO, 0xab, struct kvm_arm_device_addr)
1113 /* Available with KVM_CAP_PPC_RTAS */
1114 #define KVM_PPC_RTAS_DEFINE_TOKEN _IOW(KVMIO, 0xac, struct kvm_rtas_token_args)
1116 /* ioctl for vm fd */
1117 #define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
1119 /* ioctls for fds returned by KVM_CREATE_DEVICE */
1120 #define KVM_SET_DEVICE_ATTR _IOW(KVMIO, 0xe1, struct kvm_device_attr)
1121 #define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct kvm_device_attr)
1122 #define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct kvm_device_attr)
1125 * ioctls for vcpu fds
1127 #define KVM_RUN _IO(KVMIO, 0x80)
1128 #define KVM_GET_REGS _IOR(KVMIO, 0x81, struct kvm_regs)
1129 #define KVM_SET_REGS _IOW(KVMIO, 0x82, struct kvm_regs)
1130 #define KVM_GET_SREGS _IOR(KVMIO, 0x83, struct kvm_sregs)
1131 #define KVM_SET_SREGS _IOW(KVMIO, 0x84, struct kvm_sregs)
1132 #define KVM_TRANSLATE _IOWR(KVMIO, 0x85, struct kvm_translation)
1133 #define KVM_INTERRUPT _IOW(KVMIO, 0x86, struct kvm_interrupt)
1134 /* KVM_DEBUG_GUEST is no longer supported, use KVM_SET_GUEST_DEBUG instead */
1135 #define KVM_DEBUG_GUEST __KVM_DEPRECATED_VCPU_W_0x87
1136 #define KVM_GET_MSRS _IOWR(KVMIO, 0x88, struct kvm_msrs)
1137 #define KVM_SET_MSRS _IOW(KVMIO, 0x89, struct kvm_msrs)
1138 #define KVM_SET_CPUID _IOW(KVMIO, 0x8a, struct kvm_cpuid)
1139 #define KVM_SET_SIGNAL_MASK _IOW(KVMIO, 0x8b, struct kvm_signal_mask)
1140 #define KVM_GET_FPU _IOR(KVMIO, 0x8c, struct kvm_fpu)
1141 #define KVM_SET_FPU _IOW(KVMIO, 0x8d, struct kvm_fpu)
1142 #define KVM_GET_LAPIC _IOR(KVMIO, 0x8e, struct kvm_lapic_state)
1143 #define KVM_SET_LAPIC _IOW(KVMIO, 0x8f, struct kvm_lapic_state)
1144 #define KVM_SET_CPUID2 _IOW(KVMIO, 0x90, struct kvm_cpuid2)
1145 #define KVM_GET_CPUID2 _IOWR(KVMIO, 0x91, struct kvm_cpuid2)
1146 /* Available with KVM_CAP_VAPIC */
1147 #define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
1148 /* Available with KVM_CAP_VAPIC */
1149 #define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
1150 /* valid for virtual machine (for floating interrupt)_and_ vcpu */
1151 #define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
1152 /* store status for s390 */
1153 #define KVM_S390_STORE_STATUS_NOADDR (-1ul)
1154 #define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
1155 #define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
1156 /* initial ipl psw for s390 */
1157 #define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
1158 /* initial reset for s390 */
1159 #define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
1160 #define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
1161 #define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
1162 /* Available with KVM_CAP_USER_NMI */
1163 #define KVM_NMI _IO(KVMIO, 0x9a)
1164 /* Available with KVM_CAP_SET_GUEST_DEBUG */
1165 #define KVM_SET_GUEST_DEBUG _IOW(KVMIO, 0x9b, struct kvm_guest_debug)
1167 #define KVM_X86_SETUP_MCE _IOW(KVMIO, 0x9c, __u64)
1168 #define KVM_X86_GET_MCE_CAP_SUPPORTED _IOR(KVMIO, 0x9d, __u64)
1169 #define KVM_X86_SET_MCE _IOW(KVMIO, 0x9e, struct kvm_x86_mce)
1170 /* Available with KVM_CAP_VCPU_EVENTS */
1171 #define KVM_GET_VCPU_EVENTS _IOR(KVMIO, 0x9f, struct kvm_vcpu_events)
1172 #define KVM_SET_VCPU_EVENTS _IOW(KVMIO, 0xa0, struct kvm_vcpu_events)
1173 /* Available with KVM_CAP_DEBUGREGS */
1174 #define KVM_GET_DEBUGREGS _IOR(KVMIO, 0xa1, struct kvm_debugregs)
1175 #define KVM_SET_DEBUGREGS _IOW(KVMIO, 0xa2, struct kvm_debugregs)
1177 * vcpu version available with KVM_ENABLE_CAP
1178 * vm version available with KVM_CAP_ENABLE_CAP_VM
1180 #define KVM_ENABLE_CAP _IOW(KVMIO, 0xa3, struct kvm_enable_cap)
1181 /* Available with KVM_CAP_XSAVE */
1182 #define KVM_GET_XSAVE _IOR(KVMIO, 0xa4, struct kvm_xsave)
1183 #define KVM_SET_XSAVE _IOW(KVMIO, 0xa5, struct kvm_xsave)
1184 /* Available with KVM_CAP_XCRS */
1185 #define KVM_GET_XCRS _IOR(KVMIO, 0xa6, struct kvm_xcrs)
1186 #define KVM_SET_XCRS _IOW(KVMIO, 0xa7, struct kvm_xcrs)
1187 /* Available with KVM_CAP_SW_TLB */
1188 #define KVM_DIRTY_TLB _IOW(KVMIO, 0xaa, struct kvm_dirty_tlb)
1189 /* Available with KVM_CAP_ONE_REG */
1190 #define KVM_GET_ONE_REG _IOW(KVMIO, 0xab, struct kvm_one_reg)
1191 #define KVM_SET_ONE_REG _IOW(KVMIO, 0xac, struct kvm_one_reg)
1192 /* VM is being stopped by host */
1193 #define KVM_KVMCLOCK_CTRL _IO(KVMIO, 0xad)
1194 #define KVM_ARM_VCPU_INIT _IOW(KVMIO, 0xae, struct kvm_vcpu_init)
1195 #define KVM_ARM_PREFERRED_TARGET _IOR(KVMIO, 0xaf, struct kvm_vcpu_init)
1196 #define KVM_GET_REG_LIST _IOWR(KVMIO, 0xb0, struct kvm_reg_list)
1197 /* Available with KVM_CAP_S390_MEM_OP */
1198 #define KVM_S390_MEM_OP _IOW(KVMIO, 0xb1, struct kvm_s390_mem_op)
1199 /* Available with KVM_CAP_S390_SKEYS */
1200 #define KVM_S390_GET_SKEYS _IOW(KVMIO, 0xb2, struct kvm_s390_skeys)
1201 #define KVM_S390_SET_SKEYS _IOW(KVMIO, 0xb3, struct kvm_s390_skeys)
1202 /* Available with KVM_CAP_S390_INJECT_IRQ */
1203 #define KVM_S390_IRQ _IOW(KVMIO, 0xb4, struct kvm_s390_irq)
1204 /* Available with KVM_CAP_S390_IRQ_STATE */
1205 #define KVM_S390_SET_IRQ_STATE _IOW(KVMIO, 0xb5, struct kvm_s390_irq_state)
1206 #define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
1207 /* Available with KVM_CAP_X86_SMM */
1208 #define KVM_SMI _IO(KVMIO, 0xb7)
1210 #define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
1211 #define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
1212 #define KVM_DEV_ASSIGN_MASK_INTX (1 << 2)
1214 struct kvm_assigned_pci_dev {
1215 __u32 assigned_dev_id;
1225 #define KVM_DEV_IRQ_HOST_INTX (1 << 0)
1226 #define KVM_DEV_IRQ_HOST_MSI (1 << 1)
1227 #define KVM_DEV_IRQ_HOST_MSIX (1 << 2)
1229 #define KVM_DEV_IRQ_GUEST_INTX (1 << 8)
1230 #define KVM_DEV_IRQ_GUEST_MSI (1 << 9)
1231 #define KVM_DEV_IRQ_GUEST_MSIX (1 << 10)
1233 #define KVM_DEV_IRQ_HOST_MASK 0x00ff
1234 #define KVM_DEV_IRQ_GUEST_MASK 0xff00
1236 struct kvm_assigned_irq {
1237 __u32 assigned_dev_id;
1238 __u32 host_irq; /* ignored (legacy field) */
1246 struct kvm_assigned_msix_nr {
1247 __u32 assigned_dev_id;
1252 #define KVM_MAX_MSIX_PER_DEV 256
1253 struct kvm_assigned_msix_entry {
1254 __u32 assigned_dev_id;
1256 __u16 entry; /* The index of entry in the MSI-X table */
1260 #endif /* __LINUX_KVM_H */