From bb998645284924db6da93e777af5f29ef2f3c0a8 Mon Sep 17 00:00:00 2001 From: David Gibson Date: Wed, 1 Mar 2017 16:23:12 +1100 Subject: [PATCH] spapr_pci: Advertise access to PCIe extended config space The (paravirtual) PCI host bridge on the 'pseries' machine in most regards acts like a regular PCI bus, rather than a PCIe bus. Despite this, though, it does allow access to the PCIe extended config space. We already implemented the RTAS methods to allow this access.. but forgot to put the markers into the device tree so that guest's know it is there. This adds them in. With this, a pseries guest is able to view extended config space on (for example an e1000e device. This should be enough to allow guests to use at least some PCIe devices. Signed-off-by: David Gibson --- hw/ppc/spapr_pci.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c index 2a3499eaf8..919d3c2c59 100644 --- a/hw/ppc/spapr_pci.c +++ b/hw/ppc/spapr_pci.c @@ -1321,6 +1321,10 @@ static int spapr_populate_pci_child_dt(PCIDevice *dev, void *fdt, int offset, _FDT(fdt_setprop(fdt, offset, "assigned-addresses", (uint8_t *)rp.assigned, rp.assigned_len)); + if (pci_is_express(dev)) { + _FDT(fdt_setprop_cell(fdt, offset, "ibm,pci-config-space-type", 0x1)); + } + return 0; } -- 2.11.0