tools headers UAPI: Sync linux/kvm.h with the kernel sources
To pick the changes in:19238e75bd
("kvm: x86: Allow userspace to handle emulation errors")cb082bfab5
("KVM: stats: Add fd-based API to read binary stats data")b87cc116c7
("KVM: PPC: Book3S HV: Add KVM_CAP_PPC_RPT_INVALIDATE capability")f0376edb1d
("KVM: arm64: Add ioctl to fetch/store tags in a guest")0dbb112304
("KVM: X86: Introduce KVM_HC_MAP_GPA_RANGE hypercall")6dba940352
("KVM: x86: Introduce KVM_GET_SREGS2 / KVM_SET_SREGS2")644f706719
("KVM: x86: hyper-v: Introduce KVM_CAP_HYPERV_ENFORCE_CPUID") That automatically adds support for these new ioctls: $ tools/perf/trace/beauty/kvm_ioctl.sh > before $ cp include/uapi/linux/kvm.h tools/include/uapi/linux/kvm.h $ tools/perf/trace/beauty/kvm_ioctl.sh > after $ diff -u before after --- before 2021-07-01 13:42:07.006387354 -0300 +++ after 2021-07-01 13:45:16.051649301 -0300 @@ -95,6 +95,9 @@ [0xc9] = "XEN_HVM_SET_ATTR", [0xca] = "XEN_VCPU_GET_ATTR", [0xcb] = "XEN_VCPU_SET_ATTR", + [0xcc] = "GET_SREGS2", + [0xcd] = "SET_SREGS2", + [0xce] = "GET_STATS_FD", [0xe0] = "CREATE_DEVICE", [0xe1] = "SET_DEVICE_ATTR", [0xe2] = "GET_DEVICE_ATTR", $ This silences these perf build warning: Warning: Kernel ABI header at 'tools/arch/x86/include/uapi/asm/kvm.h' differs from latest version at 'arch/x86/include/uapi/asm/kvm.h' diff -u tools/arch/x86/include/uapi/asm/kvm.h arch/x86/include/uapi/asm/kvm.h Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from latest version at 'include/uapi/linux/kvm.h' diff -u tools/include/uapi/linux/kvm.h include/uapi/linux/kvm.h Cc: Aaron Lewis <aaronlewis@google.com> Cc: Ashish Kalra <ashish.kalra@amd.com> Cc: Bharata B Rao <bharata@linux.ibm.com> Cc: Jing Zhang <jingzhangos@google.com> Cc: Marc Zyngier <maz@kernel.org> Cc: Maxim Levitsky <mlevitsk@redhat.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Steven Price <steven.price@arm.com> Cc: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -159,6 +159,19 @@ struct kvm_sregs {
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__u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64];
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};
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struct kvm_sregs2 {
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/* out (KVM_GET_SREGS2) / in (KVM_SET_SREGS2) */
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struct kvm_segment cs, ds, es, fs, gs, ss;
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struct kvm_segment tr, ldt;
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struct kvm_dtable gdt, idt;
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__u64 cr0, cr2, cr3, cr4, cr8;
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__u64 efer;
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__u64 apic_base;
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__u64 flags;
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__u64 pdptrs[4];
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};
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#define KVM_SREGS2_FLAGS_PDPTRS_VALID 1
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/* for KVM_GET_FPU and KVM_SET_FPU */
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struct kvm_fpu {
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__u8 fpr[8][16];
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@ -280,6 +280,9 @@ struct kvm_xen_exit {
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/* Encounter unexpected vm-exit reason */
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#define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4
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/* Flags that describe what fields in emulation_failure hold valid data. */
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#define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
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/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
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struct kvm_run {
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/* in */
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@ -383,6 +386,25 @@ struct kvm_run {
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__u32 ndata;
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__u64 data[16];
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} internal;
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/*
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* KVM_INTERNAL_ERROR_EMULATION
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*
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* "struct emulation_failure" is an overlay of "struct internal"
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* that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
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* KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error
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* sub-types, this struct is ABI! It also needs to be backwards
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* compatible with "struct internal". Take special care that
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* "ndata" is correct, that new fields are enumerated in "flags",
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* and that each flag enumerates fields that are 64-bit aligned
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* and sized (so that ndata+internal.data[] is valid/accurate).
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*/
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struct {
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__u32 suberror;
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__u32 ndata;
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__u64 flags;
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__u8 insn_size;
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__u8 insn_bytes[15];
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} emulation_failure;
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/* KVM_EXIT_OSI */
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struct {
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__u64 gprs[32];
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@ -1083,6 +1105,13 @@ struct kvm_ppc_resize_hpt {
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#define KVM_CAP_SGX_ATTRIBUTE 196
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#define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
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#define KVM_CAP_PTP_KVM 198
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#define KVM_CAP_HYPERV_ENFORCE_CPUID 199
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#define KVM_CAP_SREGS2 200
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#define KVM_CAP_EXIT_HYPERCALL 201
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#define KVM_CAP_PPC_RPT_INVALIDATE 202
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#define KVM_CAP_BINARY_STATS_FD 203
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#define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
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#define KVM_CAP_ARM_MTE 205
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#ifdef KVM_CAP_IRQ_ROUTING
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@ -1428,6 +1457,7 @@ struct kvm_s390_ucas_mapping {
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/* Available with KVM_CAP_PMU_EVENT_FILTER */
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#define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
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#define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
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#define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags)
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/* ioctl for vm fd */
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#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
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@ -1621,6 +1651,9 @@ struct kvm_xen_hvm_attr {
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#define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
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#define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr)
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#define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2)
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#define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2)
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struct kvm_xen_vcpu_attr {
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__u16 type;
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__u16 pad[3];
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@ -1899,4 +1932,76 @@ struct kvm_dirty_gfn {
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#define KVM_BUS_LOCK_DETECTION_OFF (1 << 0)
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#define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1)
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/**
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* struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
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* @flags: Some extra information for header, always 0 for now.
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* @name_size: The size in bytes of the memory which contains statistics
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* name string including trailing '\0'. The memory is allocated
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* at the send of statistics descriptor.
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* @num_desc: The number of statistics the vm or vcpu has.
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* @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
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* by vm/vcpu stats fd.
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* @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
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* pointd by vm/vcpu stats fd.
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* @data_offset: The offset of the vm/vcpu stats' data block in the file
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* pointed by vm/vcpu stats fd.
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*
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* This is the header userspace needs to read from stats fd before any other
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* readings. It is used by userspace to discover all the information about the
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* vm/vcpu's binary statistics.
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* Userspace reads this header from the start of the vm/vcpu's stats fd.
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*/
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struct kvm_stats_header {
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__u32 flags;
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__u32 name_size;
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__u32 num_desc;
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__u32 id_offset;
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__u32 desc_offset;
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__u32 data_offset;
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};
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#define KVM_STATS_TYPE_SHIFT 0
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#define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT)
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#define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT)
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#define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT)
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#define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT)
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#define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_PEAK
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#define KVM_STATS_UNIT_SHIFT 4
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#define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT)
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#define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT)
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#define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT)
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#define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT)
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#define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT)
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#define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_CYCLES
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#define KVM_STATS_BASE_SHIFT 8
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#define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT)
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#define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT)
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#define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT)
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#define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2
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/**
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* struct kvm_stats_desc - Descriptor of a KVM statistics.
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* @flags: Annotations of the stats, like type, unit, etc.
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* @exponent: Used together with @flags to determine the unit.
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* @size: The number of data items for this stats.
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* Every data item is of type __u64.
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* @offset: The offset of the stats to the start of stat structure in
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* struture kvm or kvm_vcpu.
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* @unused: Unused field for future usage. Always 0 for now.
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* @name: The name string for the stats. Its size is indicated by the
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* &kvm_stats_header->name_size.
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*/
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struct kvm_stats_desc {
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__u32 flags;
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__s16 exponent;
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__u16 size;
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__u32 offset;
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__u32 unused;
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char name[];
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};
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#define KVM_GET_STATS_FD _IO(KVMIO, 0xce)
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#endif /* __LINUX_KVM_H */
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