From 9cd1e97a7ae2856ec00b5682db0dea17f42fc734 Mon Sep 17 00:00:00 2001 From: Mark Cave-Ayland Date: Fri, 22 Sep 2017 13:18:31 +0100 Subject: [PATCH] pci: allow 32-bit PCI IO accesses to pass through the PCI bridge Whilst the underlying PCI bridge implementation supports 32-bit PCI IO accesses, unfortunately they are truncated at the legacy 64K limit. Signed-off-by: Mark Cave-Ayland Reviewed-by: Richard Henderson Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/pci/pci_bridge.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/pci/pci_bridge.c b/hw/pci/pci_bridge.c index 17feae5ed8..a47d257149 100644 --- a/hw/pci/pci_bridge.c +++ b/hw/pci/pci_bridge.c @@ -379,7 +379,8 @@ void pci_bridge_initfn(PCIDevice *dev, const char *typename) sec_bus->address_space_mem = &br->address_space_mem; memory_region_init(&br->address_space_mem, OBJECT(br), "pci_bridge_pci", UINT64_MAX); sec_bus->address_space_io = &br->address_space_io; - memory_region_init(&br->address_space_io, OBJECT(br), "pci_bridge_io", 65536); + memory_region_init(&br->address_space_io, OBJECT(br), "pci_bridge_io", + UINT32_MAX); br->windows = pci_bridge_region_init(br); QLIST_INIT(&sec_bus->child); QLIST_INSERT_HEAD(&parent->child, sec_bus, sibling); -- 2.11.4.GIT