[Qemu-ppc] [PATCH v3 16/19] spapr: Expose the name of the interrupt controller node

[Greg Kurz]

This will be needed by PHB hotplug in order to access the "phandle"
property of the interrupt controller node.

Signed-off-by: Greg Kurz <address@hidden>
---
 hw/intc/xics_spapr.c        |    2 +-
 include/hw/ppc/spapr_xive.h |    5 +++++
 include/hw/ppc/xics_spapr.h |    7 +++++++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/hw/intc/xics_spapr.c b/hw/intc/xics_spapr.c
index 375cb883c86d..ec50e21b8607 100644
--- a/hw/intc/xics_spapr.c
+++ b/hw/intc/xics_spapr.c
@@ -252,7 +252,7 @@ int spapr_dt_xics(sPAPRMachineState *spapr, uint32_t 
nr_servers, void *fdt)
     };
     int node;
 
-    _FDT(node = fdt_add_subnode(fdt, 0, "interrupt-controller"));
+    _FDT(node = fdt_add_subnode(fdt, 0, XICS_NODENAME));
 
     _FDT(fdt_setprop_string(fdt, node, "device_type",
                             "PowerPC-External-Interrupt-Presentation"));
diff --git a/include/hw/ppc/spapr_xive.h b/include/hw/ppc/spapr_xive.h
index deea34b03ee5..e769c2f9a018 100644
--- a/include/hw/ppc/spapr_xive.h
+++ b/include/hw/ppc/spapr_xive.h
@@ -51,4 +51,9 @@ int spapr_dt_xive(sPAPRMachineState *spapr, uint32_t 
nr_servers, void *fdt);
 void spapr_xive_set_tctx_os_cam(XiveTCTX *tctx);
 void spapr_xive_mmio_set_enabled(sPAPRXive *xive, bool enable);
 
+static inline const char *spapr_xive_get_nodename(sPAPRXive *xive)
+{
+    return xive->nodename;
+}
+
 #endif /* PPC_SPAPR_XIVE_H */
diff --git a/include/hw/ppc/xics_spapr.h b/include/hw/ppc/xics_spapr.h
index 9f51f8621f75..fd66cf7bbba3 100644
--- a/include/hw/ppc/xics_spapr.h
+++ b/include/hw/ppc/xics_spapr.h
@@ -29,6 +29,13 @@
 
 #include "hw/ppc/spapr.h"
 
+#define XICS_NODENAME "interrupt-controller"
+
+static inline const char *xics_spapr_get_nodename(void)
+{
+    return XICS_NODENAME;
+}
+
 int spapr_dt_xics(sPAPRMachineState *spapr, uint32_t nr_servers, void *fdt);
 int xics_kvm_init(sPAPRMachineState *spapr, Error **errp);
 void xics_spapr_init(sPAPRMachineState *spapr);