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-rw-r--r--include/hw/boards.h5
-rw-r--r--include/hw/cpu/core.h31
-rw-r--r--include/hw/hotplug.h14
-rw-r--r--include/hw/ppc/spapr.h7
-rw-r--r--include/hw/ppc/spapr_cpu_core.h36
-rw-r--r--include/hw/ppc/spapr_drc.h1
-rw-r--r--include/hw/ppc/xics.h1
-rw-r--r--include/qom/object.h8
8 files changed, 101 insertions, 2 deletions
diff --git a/include/hw/boards.h b/include/hw/boards.h
index d268bd00a9..3ed6155ee4 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -81,6 +81,10 @@ typedef struct {
  *    Returns an array of @CPUArchId architecture-dependent CPU IDs
  *    which includes CPU IDs for present and possible to hotplug CPUs.
  *    Caller is responsible for freeing returned list.
+ * @query_hotpluggable_cpus:
+ *    Returns a @HotpluggableCPUList, which describes CPUs objects which
+ *    could be added with -device/device_add.
+ *    Caller is responsible for freeing returned list.
  */
 struct MachineClass {
     /*< private >*/
@@ -124,6 +128,7 @@ struct MachineClass {
                                            DeviceState *dev);
     unsigned (*cpu_index_to_socket_id)(unsigned cpu_index);
     CPUArchIdList *(*possible_cpu_arch_ids)(MachineState *machine);
+    HotpluggableCPUList *(*query_hotpluggable_cpus)(MachineState *machine);
 };
 
 /**
diff --git a/include/hw/cpu/core.h b/include/hw/cpu/core.h
new file mode 100644
index 0000000000..4540a7d34f
--- /dev/null
+++ b/include/hw/cpu/core.h
@@ -0,0 +1,31 @@
+/*
+ * CPU core abstract device
+ *
+ * Copyright (C) 2016 Bharata B Rao <bharata@linux.vnet.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#ifndef HW_CPU_CORE_H
+#define HW_CPU_CORE_H
+
+#include "qemu/osdep.h"
+#include "hw/qdev.h"
+
+#define TYPE_CPU_CORE "cpu-core"
+
+#define CPU_CORE(obj) \
+    OBJECT_CHECK(CPUCore, (obj), TYPE_CPU_CORE)
+
+typedef struct CPUCore {
+    /*< private >*/
+    DeviceState parent_obj;
+
+    /*< public >*/
+    int core_id;
+    int nr_threads;
+} CPUCore;
+
+#define CPU_CORE_PROP_CORE_ID "core-id"
+
+#endif
diff --git a/include/hw/hotplug.h b/include/hw/hotplug.h
index da1d0e4ab8..c0db869f85 100644
--- a/include/hw/hotplug.h
+++ b/include/hw/hotplug.h
@@ -45,7 +45,8 @@ typedef void (*hotplug_fn)(HotplugHandler *plug_handler,
  * hardware (un)plug functions.
  *
  * @parent: Opaque parent interface.
- * @plug: plug callback.
+ * @pre_plug: pre plug callback called at start of device.realize(true)
+ * @plug: plug callback called at end of device.realize(true).
  * @unplug_request: unplug request callback.
  *                  Used as a means to initiate device unplug for devices that
  *                  require asynchronous unplug handling.
@@ -58,6 +59,7 @@ typedef struct HotplugHandlerClass {
     InterfaceClass parent;
 
     /* <public> */
+    hotplug_fn pre_plug;
     hotplug_fn plug;
     hotplug_fn unplug_request;
     hotplug_fn unplug;
@@ -73,6 +75,16 @@ void hotplug_handler_plug(HotplugHandler *plug_handler,
                           Error **errp);
 
 /**
+ * hotplug_handler_pre_plug:
+ *
+ * Call #HotplugHandlerClass.pre_plug callback of @plug_handler.
+ */
+void hotplug_handler_pre_plug(HotplugHandler *plug_handler,
+                              DeviceState *plugged_dev,
+                              Error **errp);
+
+
+/**
  * hotplug_handler_unplug_request:
  *
  * Calls #HotplugHandlerClass.unplug_request callback of @plug_handler.
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 3ac85c07d7..e1f8274cf4 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -16,6 +16,8 @@ typedef struct sPAPREventLogEntry sPAPREventLogEntry;
 #define HPTE64_V_HPTE_DIRTY     0x0000000000000040ULL
 #define SPAPR_ENTRY_POINT       0x100
 
+#define SPAPR_TIMEBASE_FREQ     512000000ULL
+
 typedef struct sPAPRMachineClass sPAPRMachineClass;
 typedef struct sPAPRMachineState sPAPRMachineState;
 
@@ -36,6 +38,7 @@ struct sPAPRMachineClass {
 
     /*< public >*/
     bool dr_lmb_enabled;       /* enable dynamic-reconfig/hotplug of LMBs */
+    bool dr_cpu_enabled;       /* enable dynamic-reconfig/hotplug of CPUs */
     bool use_ohci_by_default;  /* use USB-OHCI instead of XHCI */
 };
 
@@ -79,6 +82,7 @@ struct sPAPRMachineState {
     /*< public >*/
     char *kvm_type;
     MemoryHotplugState hotplug_memory;
+    Object **cores;
 };
 
 #define H_SUCCESS         0
@@ -582,6 +586,9 @@ void spapr_hotplug_req_add_by_count(sPAPRDRConnectorType drc_type,
                                        uint32_t count);
 void spapr_hotplug_req_remove_by_count(sPAPRDRConnectorType drc_type,
                                           uint32_t count);
+void spapr_cpu_init(sPAPRMachineState *spapr, PowerPCCPU *cpu, Error **errp);
+void *spapr_populate_hotplug_cpu_dt(CPUState *cs, int *fdt_offset,
+                                    sPAPRMachineState *spapr);
 
 /* rtas-configure-connector state */
 struct sPAPRConfigureConnectorState {
diff --git a/include/hw/ppc/spapr_cpu_core.h b/include/hw/ppc/spapr_cpu_core.h
new file mode 100644
index 0000000000..1c9b3195cc
--- /dev/null
+++ b/include/hw/ppc/spapr_cpu_core.h
@@ -0,0 +1,36 @@
+/*
+ * sPAPR CPU core device.
+ *
+ * Copyright (C) 2016 Bharata B Rao <bharata@linux.vnet.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#ifndef HW_SPAPR_CPU_CORE_H
+#define HW_SPAPR_CPU_CORE_H
+
+#include "hw/qdev.h"
+#include "hw/cpu/core.h"
+#include "target-ppc/cpu-qom.h"
+
+#define TYPE_SPAPR_CPU_CORE "spapr-cpu-core"
+#define SPAPR_CPU_CORE(obj) \
+    OBJECT_CHECK(sPAPRCPUCore, (obj), TYPE_SPAPR_CPU_CORE)
+
+typedef struct sPAPRCPUCore {
+    /*< private >*/
+    CPUCore parent_obj;
+
+    /*< public >*/
+    void *threads;
+    ObjectClass *cpu_class;
+} sPAPRCPUCore;
+
+void spapr_core_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
+                         Error **errp);
+char *spapr_get_cpu_core_type(const char *model);
+void spapr_core_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
+                     Error **errp);
+void spapr_core_unplug(HotplugHandler *hotplug_dev, DeviceState *dev,
+                       Error **errp);
+#endif
diff --git a/include/hw/ppc/spapr_drc.h b/include/hw/ppc/spapr_drc.h
index fa21ba0444..08e8411463 100644
--- a/include/hw/ppc/spapr_drc.h
+++ b/include/hw/ppc/spapr_drc.h
@@ -152,6 +152,7 @@ typedef struct sPAPRDRConnector {
 
     bool awaiting_release;
     bool signalled;
+    bool awaiting_allocation;
 
     /* device pointer, via link property */
     DeviceState *dev;
diff --git a/include/hw/ppc/xics.h b/include/hw/ppc/xics.h
index f60b06ae82..9091054003 100644
--- a/include/hw/ppc/xics.h
+++ b/include/hw/ppc/xics.h
@@ -167,5 +167,6 @@ int xics_alloc_block(XICSState *icp, int src, int num, bool lsi, bool align,
 void xics_free(XICSState *icp, int irq, int num);
 
 void xics_cpu_setup(XICSState *icp, PowerPCCPU *cpu);
+void xics_cpu_destroy(XICSState *icp, PowerPCCPU *cpu);
 
 #endif /* __XICS_H__ */
diff --git a/include/qom/object.h b/include/qom/object.h
index 99de539e7c..2f8ac47c7c 100644
--- a/include/qom/object.h
+++ b/include/qom/object.h
@@ -1607,5 +1607,11 @@ int object_child_foreach_recursive(Object *obj,
  */
 Object *container_get(Object *root, const char *path);
 
-
+/**
+ * object_type_get_instance_size:
+ * @typename: Name of the Type whose instance_size is required
+ *
+ * Returns the instance_size of the given @typename.
+ */
+size_t object_type_get_instance_size(const char *typename);
 #endif