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diff --git a/include/qom/cpu.h b/include/qom/cpu.h
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+++ b/include/qom/cpu.h
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+/*
+ * QEMU CPU model
+ *
+ * Copyright (c) 2012 SUSE LINUX Products GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see
+ * <http://www.gnu.org/licenses/gpl-2.0.html>
+ */
+#ifndef QEMU_CPU_H
+#define QEMU_CPU_H
+
+#include "hw/qdev-core.h"
+#include "qemu/thread.h"
+
+/**
+ * SECTION:cpu
+ * @section_id: QEMU-cpu
+ * @title: CPU Class
+ * @short_description: Base class for all CPUs
+ */
+
+#define TYPE_CPU "cpu"
+
+#define CPU(obj) OBJECT_CHECK(CPUState, (obj), TYPE_CPU)
+#define CPU_CLASS(class) OBJECT_CLASS_CHECK(CPUClass, (class), TYPE_CPU)
+#define CPU_GET_CLASS(obj) OBJECT_GET_CLASS(CPUClass, (obj), TYPE_CPU)
+
+typedef struct CPUState CPUState;
+
+/**
+ * CPUClass:
+ * @class_by_name: Callback to map -cpu command line model name to an
+ * instantiatable CPU type.
+ * @reset: Callback to reset the #CPUState to its initial state.
+ *
+ * Represents a CPU family or model.
+ */
+typedef struct CPUClass {
+    /*< private >*/
+    DeviceClass parent_class;
+    /*< public >*/
+
+    ObjectClass *(*class_by_name)(const char *cpu_model);
+
+    void (*reset)(CPUState *cpu);
+} CPUClass;
+
+struct KVMState;
+struct kvm_run;
+
+/**
+ * CPUState:
+ * @cpu_index: CPU index (informative).
+ * @nr_cores: Number of cores within this CPU package.
+ * @nr_threads: Number of threads within this CPU.
+ * @numa_node: NUMA node this CPU is belonging to.
+ * @created: Indicates whether the CPU thread has been successfully created.
+ * @stop: Indicates a pending stop request.
+ * @stopped: Indicates the CPU has been artificially stopped.
+ * @kvm_fd: vCPU file descriptor for KVM.
+ *
+ * State of one CPU core or thread.
+ */
+struct CPUState {
+    /*< private >*/
+    DeviceState parent_obj;
+    /*< public >*/
+
+    int nr_cores;
+    int nr_threads;
+    int numa_node;
+
+    struct QemuThread *thread;
+#ifdef _WIN32
+    HANDLE hThread;
+#endif
+    int thread_id;
+    struct QemuCond *halt_cond;
+    struct qemu_work_item *queued_work_first, *queued_work_last;
+    bool thread_kicked;
+    bool created;
+    bool stop;
+    bool stopped;
+
+    int kvm_fd;
+    bool kvm_vcpu_dirty;
+    struct KVMState *kvm_state;
+    struct kvm_run *kvm_run;
+
+    /* TODO Move common fields from CPUArchState here. */
+    int cpu_index; /* used by alpha TCG */
+};
+
+
+/**
+ * cpu_reset:
+ * @cpu: The CPU whose state is to be reset.
+ */
+void cpu_reset(CPUState *cpu);
+
+/**
+ * cpu_class_by_name:
+ * @typename: The CPU base type.
+ * @cpu_model: The model string without any parameters.
+ *
+ * Looks up a CPU #ObjectClass matching name @cpu_model.
+ *
+ * Returns: A #CPUClass or %NULL if not matching class is found.
+ */
+ObjectClass *cpu_class_by_name(const char *typename, const char *cpu_model);
+
+/**
+ * qemu_cpu_has_work:
+ * @cpu: The vCPU to check.
+ *
+ * Checks whether the CPU has work to do.
+ *
+ * Returns: %true if the CPU has work, %false otherwise.
+ */
+bool qemu_cpu_has_work(CPUState *cpu);
+
+/**
+ * qemu_cpu_is_self:
+ * @cpu: The vCPU to check against.
+ *
+ * Checks whether the caller is executing on the vCPU thread.
+ *
+ * Returns: %true if called from @cpu's thread, %false otherwise.
+ */
+bool qemu_cpu_is_self(CPUState *cpu);
+
+/**
+ * qemu_cpu_kick:
+ * @cpu: The vCPU to kick.
+ *
+ * Kicks @cpu's thread.
+ */
+void qemu_cpu_kick(CPUState *cpu);
+
+/**
+ * cpu_is_stopped:
+ * @cpu: The CPU to check.
+ *
+ * Checks whether the CPU is stopped.
+ *
+ * Returns: %true if run state is not running or if artificially stopped;
+ * %false otherwise.
+ */
+bool cpu_is_stopped(CPUState *cpu);
+
+/**
+ * run_on_cpu:
+ * @cpu: The vCPU to run on.
+ * @func: The function to be executed.
+ * @data: Data to pass to the function.
+ *
+ * Schedules the function @func for execution on the vCPU @cpu.
+ */
+void run_on_cpu(CPUState *cpu, void (*func)(void *data), void *data);
+
+/**
+ * qemu_get_cpu:
+ * @index: The CPUState@cpu_index value of the CPU to obtain.
+ *
+ * Gets a CPU matching @index.
+ *
+ * Returns: The CPU or %NULL if there is no matching CPU.
+ */
+CPUState *qemu_get_cpu(int index);
+
+
+#endif