[Qemu-devel] [RFC PATCH 09/15] spapr: populate PHB DRC entries for root DT node

[Michael Roth <mdroth@linux.vnet.ibm.com>]

From: Nathan Fontenot <nfont@linux.vnet.ibm.com>

This add entries to the root OF node to advertise our PHBs as being
DR-capable in accordance with PAPR specification.

Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
---
 hw/ppc/spapr.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index c539932..a7af332 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -57,6 +57,7 @@
 #include "qemu/error-report.h"
 #include "trace.h"
 #include "hw/nmi.h"
+#include "hw/ppc/spapr_drc.h"
 
 #include "hw/compat.h"
 
@@ -745,6 +746,7 @@ static void spapr_finalize_fdt(sPAPREnvironment *spapr,
     size_t cb = 0;
     char *bootlist;
     void *fdt;
+    int fdt_offset;
     sPAPRPHBState *phb;
 
     fdt = g_malloc(FDT_MAX_SIZE);
@@ -804,6 +806,13 @@ static void spapr_finalize_fdt(sPAPREnvironment *spapr,
         spapr_populate_chosen_stdout(fdt, spapr->vio_bus);
     }
 
+    fdt_offset = fdt_path_offset(fdt, "/");
+    ret = spapr_drc_populate_dt(fdt, fdt_offset, NULL,
+                                SPAPR_DR_CONNECTOR_TYPE_PHB);
+    if (ret < 0) {
+        fprintf(stderr, "Couldn't set up RTAS device tree properties\n");
+    }
+
     _FDT((fdt_pack(fdt)));
 
     if (fdt_totalsize(fdt) > FDT_MAX_SIZE) {
-- 
1.9.1