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| author | Alex Williamson <alex.williamson@redhat.com> | 2010-06-25 11:08:59 -0600 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2010-07-06 10:36:28 -0500 |
| commit | 4f43c1ff3b8ce99de80db7c51423e5ba8b143802 (patch) | |
| tree | f12bcb4fa986147a9ef4cbe5679aca675ca3a7f4 | |
| parent | 6772b9364a9ef8b44a7c4deef0544df95bf88741 (diff) | |
| download | focaccia-qemu-4f43c1ff3b8ce99de80db7c51423e5ba8b143802.tar.gz focaccia-qemu-4f43c1ff3b8ce99de80db7c51423e5ba8b143802.zip | |
pci: Implement BusInfo.get_dev_path()
This works great for PCI since a <segment>:<bus>:<dev>.<fn> uniquely describes a global address. No need to traverse up the qdev tree. PCI segment support is a placeholder for compatibility once we support multiple segments. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
| -rw-r--r-- | hw/pci.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/hw/pci.c b/hw/pci.c index 7787005bdb..1e77ae66e6 100644 --- a/hw/pci.c +++ b/hw/pci.c @@ -58,11 +58,13 @@ struct PCIBus { }; static void pcibus_dev_print(Monitor *mon, DeviceState *dev, int indent); +static char *pcibus_get_dev_path(DeviceState *dev); static struct BusInfo pci_bus_info = { .name = "PCI", .size = sizeof(PCIBus), .print_dev = pcibus_dev_print, + .get_dev_path = pcibus_get_dev_path, .props = (Property[]) { DEFINE_PROP_PCI_DEVFN("addr", PCIDevice, devfn, -1), DEFINE_PROP_STRING("romfile", PCIDevice, romfile), @@ -1853,6 +1855,18 @@ static void pcibus_dev_print(Monitor *mon, DeviceState *dev, int indent) } } +static char *pcibus_get_dev_path(DeviceState *dev) +{ + PCIDevice *d = (PCIDevice *)dev; + char path[16]; + + snprintf(path, sizeof(path), "%04x:%02x:%02x.%x", + pci_find_domain(d->bus), d->config[PCI_SECONDARY_BUS], + PCI_SLOT(d->devfn), PCI_FUNC(d->devfn)); + + return strdup(path); +} + static PCIDeviceInfo bridge_info = { .qdev.name = "pci-bridge", .qdev.size = sizeof(PCIBridge), |