ppc/pnv: introduce a CPU machine_data

Include the interrupt presenter under the machine_data as we plan to
remove it from under PowerPCCPU

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

3 files changed, 24 insertions, 4 deletions

diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index d84acef55b..da540860a2 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -673,6 +673,7 @@ static void pnv_chip_power8_intc_create(PnvChip *chip, PowerPCCPU *cpu,
 {
     Error *local_err = NULL;
     Object *obj;
+    PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
 
     obj = icp_create(OBJECT(cpu), TYPE_PNV_ICP, XICS_FABRIC(qdev_get_machine()),
                      &local_err);
@@ -681,7 +682,7 @@ static void pnv_chip_power8_intc_create(PnvChip *chip, PowerPCCPU *cpu,
         return;
     }
 
-    cpu->icp = ICP(obj);
+    pnv_cpu->icp = ICP(obj);
 }
 
 /*
@@ -1099,7 +1100,7 @@ static ICPState *pnv_icp_get(XICSFabric *xi, int pir)
 {
     PowerPCCPU *cpu = ppc_get_vcpu_by_pir(pir);
 
-    return cpu ? cpu->icp : NULL;
+    return cpu ? pnv_cpu_state(cpu)->icp : NULL;
 }
 
 static void pnv_pic_print_info(InterruptStatsProvider *obj,
@@ -1112,7 +1113,7 @@ static void pnv_pic_print_info(InterruptStatsProvider *obj,
     CPU_FOREACH(cs) {
         PowerPCCPU *cpu = POWERPC_CPU(cs);
 
-        icp_pic_print_info(cpu->icp, mon);
+        icp_pic_print_info(pnv_cpu_state(cpu)->icp, mon);
     }
 
     for (i = 0; i < pnv->num_chips; i++) {
diff --git a/hw/ppc/pnv_core.c b/hw/ppc/pnv_core.c
index b98f277f1e..7c806da720 100644
--- a/hw/ppc/pnv_core.c
+++ b/hw/ppc/pnv_core.c
@@ -155,7 +155,10 @@ static void pnv_core_realize(DeviceState *dev, Error **errp)
 
     pc->threads = g_new(PowerPCCPU *, cc->nr_threads);
     for (i = 0; i < cc->nr_threads; i++) {
+        PowerPCCPU *cpu;
+
         obj = object_new(typename);
+        cpu = POWERPC_CPU(obj);
 
         pc->threads[i] = POWERPC_CPU(obj);
 
@@ -163,6 +166,9 @@ static void pnv_core_realize(DeviceState *dev, Error **errp)
         object_property_add_child(OBJECT(pc), name, obj, &error_abort);
         object_property_add_alias(obj, "core-pir", OBJECT(pc),
                                   "pir", &error_abort);
+
+        cpu->machine_data = g_new0(PnvCPUState, 1);
+
         object_unref(obj);
     }
 
@@ -189,9 +195,13 @@ err:
 
 static void pnv_unrealize_vcpu(PowerPCCPU *cpu)
 {
+    PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
+
     qemu_unregister_reset(pnv_cpu_reset, cpu);
-    object_unparent(OBJECT(cpu->icp));
+    object_unparent(OBJECT(pnv_cpu_state(cpu)->icp));
     cpu_remove_sync(CPU(cpu));
+    cpu->machine_data = NULL;
+    g_free(pnv_cpu);
     object_unparent(OBJECT(cpu));
 }
 
diff --git a/include/hw/ppc/pnv_core.h b/include/hw/ppc/pnv_core.h
index 447ae761f7..9961ea3a92 100644
--- a/include/hw/ppc/pnv_core.h
+++ b/include/hw/ppc/pnv_core.h
@@ -47,4 +47,13 @@ typedef struct PnvCoreClass {
 #define PNV_CORE_TYPE_SUFFIX "-" TYPE_PNV_CORE
 #define PNV_CORE_TYPE_NAME(cpu_model) cpu_model PNV_CORE_TYPE_SUFFIX
 
+typedef struct PnvCPUState {
+    struct ICPState *icp;
+} PnvCPUState;
+
+static inline PnvCPUState *pnv_cpu_state(PowerPCCPU *cpu)
+{
+    return (PnvCPUState *)cpu->machine_data;
+}
+
 #endif /* _PPC_PNV_CORE_H */