[Qemu-devel] [RFC PATCH 14/15] spapr_pci: add ibm, my-drc-index property for PHB hotplug

[Michael Roth]

This is needed to denote a boot-time PHB as being hot-pluggable.

Signed-off-by: Michael Roth <mdr...@linux.vnet.ibm.com>
---
 hw/ppc/spapr_pci.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index 66fe85f..91dfd96 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -1572,6 +1572,7 @@ int spapr_populate_pci_dt(sPAPRPHBState *phb,
         cpu_to_be32(b_ddddd(-1)|b_fff(0)), 0x0, 0x0, cpu_to_be32(-1)};
     uint32_t interrupt_map[PCI_SLOT_MAX * PCI_NUM_PINS][7];
     sPAPRTCETable *tcet;
+    sPAPRDRConnector *drc;
 
     /* Start populating the FDT */
     sprintf(nodename, "pci@%" PRIx64, phb->buid);
@@ -1624,6 +1625,15 @@ int spapr_populate_pci_dt(sPAPRPHBState *phb,
                  tcet->liobn, tcet->bus_offset,
                  tcet->nb_table << tcet->page_shift);
 
+    drc = spapr_dr_connector_by_id(SPAPR_DR_CONNECTOR_TYPE_PHB, phb->index);
+    if (drc) {
+        sPAPRDRConnectorClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
+        uint32_t drc_index = cpu_to_be32(drck->get_index(drc));
+
+        _FDT(fdt_setprop(fdt, bus_off, "ibm,my-drc-index", &drc_index,
+                         sizeof(drc_index)));
+    }
+
     ret = spapr_drc_populate_dt(fdt, bus_off, OBJECT(phb),
                                 SPAPR_DR_CONNECTOR_TYPE_PCI);
     if (ret) {
-- 
1.9.1