With the addition of PHB hotplug, we have a static number of DRCs that can be used to handle hotplug/unplug operations on our PHBs, and need a consistent way to map PHBs to these connectors, and assign a unique identifiers for the connectors.
This patch adds a drc_id property for that purpose. Signed-off-by: Greg Kurz <gr...@kaod.org> --- hw/ppc/spapr_pci.c | 1 + include/hw/pci-host/spapr.h | 2 ++ 2 files changed, 3 insertions(+) diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c index 994d2f36105f..54533d8a3841 100644 --- a/hw/ppc/spapr_pci.c +++ b/hw/ppc/spapr_pci.c @@ -1878,6 +1878,7 @@ static Property spapr_phb_properties[] = { pre_2_8_migration, false), DEFINE_PROP_BOOL("pcie-extended-configuration-space", sPAPRPHBState, pcie_ecs, true), + DEFINE_PROP_UINT32("drc_id", sPAPRPHBState, drc_id, -1), DEFINE_PROP_END_OF_LIST(), }; diff --git a/include/hw/pci-host/spapr.h b/include/hw/pci-host/spapr.h index 5a4e9686d562..31bae68167f2 100644 --- a/include/hw/pci-host/spapr.h +++ b/include/hw/pci-host/spapr.h @@ -82,6 +82,8 @@ struct sPAPRPHBState { bool pcie_ecs; /* Allow access to PCIe extended config space? */ + uint32_t drc_id; + /* Fields for migration compatibility hacks */ bool pre_2_8_migration; uint32_t mig_liobn;