/* Encounter unexpected vm-exit reason */
#define KVM_INTERNAL_ERROR_UNEXPECTED_EXIT_REASON 4
+/* Flags that describe what fields in emulation_failure hold valid data. */
+#define KVM_INTERNAL_ERROR_EMULATION_FLAG_INSTRUCTION_BYTES (1ULL << 0)
+
/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
struct kvm_run {
/* in */
__u32 ndata;
__u64 data[16];
} internal;
+ /*
+ * KVM_INTERNAL_ERROR_EMULATION
+ *
+ * "struct emulation_failure" is an overlay of "struct internal"
+ * that is used for the KVM_INTERNAL_ERROR_EMULATION sub-type of
+ * KVM_EXIT_INTERNAL_ERROR. Note, unlike other internal error
+ * sub-types, this struct is ABI! It also needs to be backwards
+ * compatible with "struct internal". Take special care that
+ * "ndata" is correct, that new fields are enumerated in "flags",
+ * and that each flag enumerates fields that are 64-bit aligned
+ * and sized (so that ndata+internal.data[] is valid/accurate).
+ */
+ struct {
+ __u32 suberror;
+ __u32 ndata;
+ __u64 flags;
+ __u8 insn_size;
+ __u8 insn_bytes[15];
+ } emulation_failure;
/* KVM_EXIT_OSI */
struct {
__u64 gprs[32];
#define KVM_CAP_SGX_ATTRIBUTE 196
#define KVM_CAP_VM_COPY_ENC_CONTEXT_FROM 197
#define KVM_CAP_PTP_KVM 198
+#define KVM_CAP_HYPERV_ENFORCE_CPUID 199
+#define KVM_CAP_SREGS2 200
+#define KVM_CAP_EXIT_HYPERCALL 201
+#define KVM_CAP_PPC_RPT_INVALIDATE 202
+#define KVM_CAP_BINARY_STATS_FD 203
+#define KVM_CAP_EXIT_ON_EMULATION_FAILURE 204
+#define KVM_CAP_ARM_MTE 205
#ifdef KVM_CAP_IRQ_ROUTING
/* Available with KVM_CAP_PMU_EVENT_FILTER */
#define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
#define KVM_PPC_SVM_OFF _IO(KVMIO, 0xb3)
+#define KVM_ARM_MTE_COPY_TAGS _IOR(KVMIO, 0xb4, struct kvm_arm_copy_mte_tags)
/* ioctl for vm fd */
#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
#define KVM_XEN_VCPU_GET_ATTR _IOWR(KVMIO, 0xca, struct kvm_xen_vcpu_attr)
#define KVM_XEN_VCPU_SET_ATTR _IOW(KVMIO, 0xcb, struct kvm_xen_vcpu_attr)
+#define KVM_GET_SREGS2 _IOR(KVMIO, 0xcc, struct kvm_sregs2)
+#define KVM_SET_SREGS2 _IOW(KVMIO, 0xcd, struct kvm_sregs2)
+
struct kvm_xen_vcpu_attr {
__u16 type;
__u16 pad[3];
#define KVM_BUS_LOCK_DETECTION_OFF (1 << 0)
#define KVM_BUS_LOCK_DETECTION_EXIT (1 << 1)
+/**
+ * struct kvm_stats_header - Header of per vm/vcpu binary statistics data.
+ * @flags: Some extra information for header, always 0 for now.
+ * @name_size: The size in bytes of the memory which contains statistics
+ * name string including trailing '\0'. The memory is allocated
+ * at the send of statistics descriptor.
+ * @num_desc: The number of statistics the vm or vcpu has.
+ * @id_offset: The offset of the vm/vcpu stats' id string in the file pointed
+ * by vm/vcpu stats fd.
+ * @desc_offset: The offset of the vm/vcpu stats' descriptor block in the file
+ * pointd by vm/vcpu stats fd.
+ * @data_offset: The offset of the vm/vcpu stats' data block in the file
+ * pointed by vm/vcpu stats fd.
+ *
+ * This is the header userspace needs to read from stats fd before any other
+ * readings. It is used by userspace to discover all the information about the
+ * vm/vcpu's binary statistics.
+ * Userspace reads this header from the start of the vm/vcpu's stats fd.
+ */
+struct kvm_stats_header {
+ __u32 flags;
+ __u32 name_size;
+ __u32 num_desc;
+ __u32 id_offset;
+ __u32 desc_offset;
+ __u32 data_offset;
+};
+
+#define KVM_STATS_TYPE_SHIFT 0
+#define KVM_STATS_TYPE_MASK (0xF << KVM_STATS_TYPE_SHIFT)
+#define KVM_STATS_TYPE_CUMULATIVE (0x0 << KVM_STATS_TYPE_SHIFT)
+#define KVM_STATS_TYPE_INSTANT (0x1 << KVM_STATS_TYPE_SHIFT)
+#define KVM_STATS_TYPE_PEAK (0x2 << KVM_STATS_TYPE_SHIFT)
+#define KVM_STATS_TYPE_MAX KVM_STATS_TYPE_PEAK
+
+#define KVM_STATS_UNIT_SHIFT 4
+#define KVM_STATS_UNIT_MASK (0xF << KVM_STATS_UNIT_SHIFT)
+#define KVM_STATS_UNIT_NONE (0x0 << KVM_STATS_UNIT_SHIFT)
+#define KVM_STATS_UNIT_BYTES (0x1 << KVM_STATS_UNIT_SHIFT)
+#define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT)
+#define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT)
+#define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_CYCLES
+
+#define KVM_STATS_BASE_SHIFT 8
+#define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT)
+#define KVM_STATS_BASE_POW10 (0x0 << KVM_STATS_BASE_SHIFT)
+#define KVM_STATS_BASE_POW2 (0x1 << KVM_STATS_BASE_SHIFT)
+#define KVM_STATS_BASE_MAX KVM_STATS_BASE_POW2
+
+/**
+ * struct kvm_stats_desc - Descriptor of a KVM statistics.
+ * @flags: Annotations of the stats, like type, unit, etc.
+ * @exponent: Used together with @flags to determine the unit.
+ * @size: The number of data items for this stats.
+ * Every data item is of type __u64.
+ * @offset: The offset of the stats to the start of stat structure in
+ * struture kvm or kvm_vcpu.
+ * @unused: Unused field for future usage. Always 0 for now.
+ * @name: The name string for the stats. Its size is indicated by the
+ * &kvm_stats_header->name_size.
+ */
+struct kvm_stats_desc {
+ __u32 flags;
+ __s16 exponent;
+ __u16 size;
+ __u32 offset;
+ __u32 unused;
+ char name[];
+};
+
+#define KVM_GET_STATS_FD _IO(KVMIO, 0xce)
+
#endif /* __LINUX_KVM_H */
projects / kernel.git / commitdiff