Reserve 32 entries of type PCI in each PHB's initial FDT. This advertises to guests that each PHB is DR-capable device with physical hotpluggable slots. This is necessary for allowing hotplugging of devices to it later via bus rescan or guest rpaphp hotplug module.
Signed-off-by: Michael Roth <mdr...@linux.vnet.ibm.com> --- hw/ppc/spapr_pci.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c index 73e86a4..a5d7791 100644 --- a/hw/ppc/spapr_pci.c +++ b/hw/ppc/spapr_pci.c @@ -47,6 +47,8 @@ #define RTAS_TYPE_MSI 1 #define RTAS_TYPE_MSIX 2 +#define FDT_MAX_SIZE 0x10000 + #include "hw/ppc/spapr_drc.h" static sPAPRPHBState *find_phb(sPAPREnvironment *spapr, uint64_t buid) @@ -872,7 +874,7 @@ int spapr_populate_pci_dt(sPAPRPHBState *phb, uint32_t xics_phandle, void *fdt) { - int bus_off, i, j; + int bus_off, i, j, ret; char nodename[256]; uint32_t bus_range[] = { cpu_to_be32(0), cpu_to_be32(0xff) }; struct { @@ -951,6 +953,11 @@ int spapr_populate_pci_dt(sPAPRPHBState *phb, object_child_foreach(OBJECT(phb), spapr_phb_children_dt, &((sPAPRTCEDT){ .fdt = fdt, .node_off = bus_off })); + ret = spapr_drc_populate_dt(fdt, bus_off, SPAPR_DR_CONNECTOR_TYPE_PCI); + if (ret) { + return ret; + } + return 0; } -- 1.9.1