From e075e788c9e882f5bebfb350f725ee7e4273033f Mon Sep 17 00:00:00 2001 From: Isaku Yamahata Date: Fri, 28 May 2010 18:30:46 +0900 Subject: pci-hotplug: make them aware of pci domain. add helper function which converts root bus to pci domain. make them aware of pci domain. Signed-off-by: Isaku Yamahata Signed-off-by: Michael S. Tsirkin --- hw/pci.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) (limited to 'hw/pci.c') diff --git a/hw/pci.c b/hw/pci.c index 3362842bf2..f084cc0285 100644 --- a/hw/pci.c +++ b/hw/pci.c @@ -200,6 +200,26 @@ PCIBus *pci_find_root_bus(int domain) return NULL; } +int pci_find_domain(const PCIBus *bus) +{ + PCIDevice *d; + struct PCIHostBus *host; + + /* obtain root bus */ + while ((d = bus->parent_dev) != NULL) { + bus = d->bus; + } + + QLIST_FOREACH(host, &host_buses, next) { + if (host->bus == bus) { + return host->domain; + } + } + + abort(); /* should not be reached */ + return -1; +} + void pci_bus_new_inplace(PCIBus *bus, DeviceState *parent, const char *name, int devfn_min) { @@ -505,7 +525,7 @@ PCIBus *pci_get_bus_devfn(int *devfnp, const char *devaddr) } *devfnp = slot << 3; - return pci_find_bus(pci_find_root_bus(0), bus); + return pci_find_bus(pci_find_root_bus(dom), bus); } static void pci_init_cmask(PCIDevice *dev) -- cgit v1.2.3