xics: introduce macros for ICP/ICS link properties

These properties are part of the XICS API. They deserve to appear
explicitely in the XICS header file.
Signed-off-by: NGreg Kurz <groug@kaod.org>
Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au>

hw/intc/xics.c

@@ -346,9 +346,9 @@ static void icp_realize(DeviceState *dev, Error **errp)
     Object *obj;
     Error *err = NULL;
 
-    obj = object_property_get_link(OBJECT(dev), "xics", &err);
+    obj = object_property_get_link(OBJECT(dev), ICP_PROP_XICS, &err);
     if (!obj) {
-        error_setg(errp, "%s: required link 'xics' not found: %s",
+        error_setg(errp, "%s: required link '" ICP_PROP_XICS "' not found: %s",
                    __func__, error_get_pretty(err));
         return;
     }
@@ -654,9 +654,9 @@ static void ics_base_realize(DeviceState *dev, Error **errp)
     Object *obj;
     Error *err = NULL;
 
-    obj = object_property_get_link(OBJECT(dev), "xics", &err);
+    obj = object_property_get_link(OBJECT(dev), ICS_PROP_XICS, &err);
     if (!obj) {
-        error_setg(errp, "%s: required link 'xics' not found: %s",
+        error_setg(errp, "%s: required link '" ICS_PROP_XICS "' not found: %s",
                    __func__, error_get_pretty(err));
         return;
     }

hw/ppc/pnv_core.c

@@ -121,7 +121,8 @@ static void pnv_core_realize_child(Object *child, XICSFabric *xi, Error **errp)
     obj = object_new(TYPE_PNV_ICP);
     object_property_add_child(OBJECT(cpu), "icp", obj, &error_abort);
     object_unref(obj);
-    object_property_add_const_link(obj, "xics", OBJECT(xi), &error_abort);
+    object_property_add_const_link(obj, ICP_PROP_XICS, OBJECT(xi),
+                                   &error_abort);
     object_property_set_bool(obj, true, "realized", &local_err);
     if (local_err) {
         error_propagate(errp, local_err);

hw/ppc/pnv_psi.c

@@ -474,7 +474,8 @@ static void pnv_psi_realize(DeviceState *dev, Error **errp)
     }
 
     /* Create PSI interrupt control source */
-    object_property_add_const_link(OBJECT(ics), "xics", obj,  &error_abort);
+    object_property_add_const_link(OBJECT(ics), ICS_PROP_XICS, obj,
+                                   &error_abort);
     object_property_set_int(OBJECT(ics), PSI_NUM_INTERRUPTS, "nr-irqs", &err);
     if (err) {
         error_propagate(errp, err);

hw/ppc/spapr.c

@@ -107,7 +107,8 @@ static ICSState *spapr_ics_create(sPAPRMachineState *spapr,
 
     obj = object_new(type_ics);
     object_property_add_child(OBJECT(spapr), "ics", obj, &error_abort);
-    object_property_add_const_link(obj, "xics", OBJECT(spapr), &error_abort);
+    object_property_add_const_link(obj, ICS_PROP_XICS, OBJECT(spapr),
+                                   &error_abort);
     object_property_set_int(obj, nr_irqs, "nr-irqs", &local_err);
     if (local_err) {
         goto error;

hw/ppc/spapr_cpu_core.c

@@ -145,7 +145,8 @@ static void spapr_cpu_core_realize_child(Object *child, Error **errp)
     obj = object_new(spapr->icp_type);
     object_property_add_child(OBJECT(cpu), "icp", obj, &error_abort);
     object_unref(obj);
-    object_property_add_const_link(obj, "xics", OBJECT(spapr), &error_abort);
+    object_property_add_const_link(obj, ICP_PROP_XICS, OBJECT(spapr),
+                                   &error_abort);
     object_property_set_bool(obj, true, "realized", &local_err);
     if (local_err) {
         goto error;

include/hw/ppc/xics.h

@@ -86,6 +86,8 @@ struct ICPState {
     XICSFabric *xics;
 };
 
+#define ICP_PROP_XICS "xics"
+
 struct PnvICPState {
     ICPState parent_obj;
 
@@ -130,6 +132,8 @@ struct ICSState {
     XICSFabric *xics;
 };
 
+#define ICS_PROP_XICS "xics"
+
 static inline bool ics_valid_irq(ICSState *ics, uint32_t nr)
 {
     return (ics->offset != 0) && (nr >= ics->offset)