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-rw-r--r--hw/pci.c28
1 files changed, 17 insertions, 11 deletions
diff --git a/hw/pci.c b/hw/pci.c
index 023f7b6f4..2aeaf75a1 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -1299,7 +1299,7 @@ static QObject *pci_get_dev_dict(PCIDevice *dev, PCIBus *bus, int bus_num)
"'io_range': { 'base': %" PRId64 ", 'limit': %" PRId64 "}, "
"'memory_range': { 'base': %" PRId64 ", 'limit': %" PRId64 "}, "
"'prefetchable_range': { 'base': %" PRId64 ", 'limit': %" PRId64 "} }",
- dev->config[0x19], dev->config[PCI_SECONDARY_BUS],
+ dev->config[PCI_PRIMARY_BUS], dev->config[PCI_SECONDARY_BUS],
dev->config[PCI_SUBORDINATE_BUS],
pci_bridge_get_base(dev, PCI_BASE_ADDRESS_SPACE_IO),
pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_IO),
@@ -1310,12 +1310,16 @@ static QObject *pci_get_dev_dict(PCIDevice *dev, PCIBus *bus, int bus_num)
pci_bridge_get_limit(dev, PCI_BASE_ADDRESS_SPACE_MEMORY |
PCI_BASE_ADDRESS_MEM_PREFETCH));
- if (dev->config[0x19] != 0) {
- qdict = qobject_to_qdict(pci_bridge);
- qdict_put_obj(qdict, "devices",
- pci_get_devices_list(bus, dev->config[0x19]));
- }
+ if (dev->config[PCI_SECONDARY_BUS] != 0) {
+ PCIBus *child_bus = pci_find_bus(bus, dev->config[PCI_SECONDARY_BUS]);
+ if (child_bus) {
+ qdict = qobject_to_qdict(pci_bridge);
+ qdict_put_obj(qdict, "devices",
+ pci_get_devices_list(child_bus,
+ dev->config[PCI_SECONDARY_BUS]));
+ }
+ }
qdict = qobject_to_qdict(obj);
qdict_put_obj(qdict, "pci_bridge", pci_bridge);
}
@@ -1542,7 +1546,7 @@ static void pci_bridge_write_config(PCIDevice *d,
PCIBus *pci_find_bus(PCIBus *bus, int bus_num)
{
- PCIBus *sec;
+ PCIBus *sec, *ret;
if (!bus)
return NULL;
@@ -1553,11 +1557,13 @@ PCIBus *pci_find_bus(PCIBus *bus, int bus_num)
/* try child bus */
QLIST_FOREACH(sec, &bus->child, sibling) {
-
if (!bus->parent_dev /* pci host bridge */
- || (pci_bus_num(sec) <= bus_num &&
- bus->parent_dev->config[PCI_SUBORDINATE_BUS])) {
- return pci_find_bus(sec, bus_num);
+ || (pci_bus_num(sec) >= bus_num &&
+ bus_num <= bus->parent_dev->config[PCI_SUBORDINATE_BUS]) ) {
+ ret = pci_find_bus(sec, bus_num);
+ if (ret) {
+ return ret;
+ }
}
}