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Diffstat (limited to 'src/device/pci_device.c')
| -rw-r--r-- | src/device/pci_device.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/device/pci_device.c b/src/device/pci_device.c index 4c5a81451c..1d998ca780 100644 --- a/src/device/pci_device.c +++ b/src/device/pci_device.c @@ -1054,6 +1054,19 @@ device_t pci_probe_dev(device_t dev, struct bus *bus, unsigned devfn) } /** + * Test for match between romstage and ramstage device instance. + * + * @param dev Pointer to the device structure. + * @param sdev Simple device model identifier, created with PCI_DEV(). + * @return Non-zero if bus:dev.fn of device matches. + */ +unsigned int pci_match_simple_dev(device_t dev, pci_devfn_t sdev) +{ + return dev->bus->secondary == PCI_DEV2SEGBUS(sdev) && + dev->path.pci.devfn == PCI_DEV2DEVFN(sdev); +} + +/** * Scan a PCI bus. * * Determine the existence of devices and bridges on a PCI bus. If there are |