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spapr_pci: add ibm, my-drc-index property for PHB hotplug

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

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <155059672420.1466090.15147504040270659866.stgit@bahia.lab.toulouse-stg.fr.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Michael Roth 2019-02-19 18:18:44 +01:00 committed by David Gibson
parent 0a0a66cd1b
commit f130928d2a
1 changed files with 9 additions and 0 deletions
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9
hw/ppc/spapr_pci.c
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@ -2203,6 +2203,7 @@ int spapr_populate_pci_dt(sPAPRPHBState *phb, uint32_t intc_phandle, void *fdt,
sPAPRTCETable *tcet;
PCIBus *bus = PCI_HOST_BRIDGE(phb)->bus;
sPAPRFDT s_fdt;
sPAPRDRConnector *drc;
/* Start populating the FDT */
nodename = g_strdup_printf("pci@%" PRIx64, phb->buid);
@ -2269,6 +2270,14 @@ int spapr_populate_pci_dt(sPAPRPHBState *phb, uint32_t intc_phandle, void *fdt,
tcet->liobn, tcet->bus_offset,
tcet->nb_table << tcet->page_shift);
drc = spapr_drc_by_id(TYPE_SPAPR_DRC_PHB, phb->index);
if (drc) {
uint32_t drc_index = cpu_to_be32(spapr_drc_index(drc));
_FDT(fdt_setprop(fdt, bus_off, "ibm,my-drc-index", &drc_index,
sizeof(drc_index)));
}
/* Walk the bridges and program the bus numbers*/
spapr_phb_pci_enumerate(phb);
_FDT(fdt_setprop_cell(fdt, bus_off, "qemu,phb-enumerated", 0x1));