2 * The PCI Library -- Example of use (simplistic lister of PCI devices)
4 * Written by Martin Mares and put to public domain. You can do
5 * with it anything you want, but I don't give you any warranty.
14 struct pci_access *pacc;
18 pacc = pci_alloc(); /* Get the pci_access structure */
19 /* Set all options you want -- here we stick with the defaults */
20 pci_init(pacc); /* Initialize the PCI library */
21 pci_scan_bus(pacc); /* We want to get the list of devices */
22 for(dev=pacc->devices; dev; dev=dev->next) /* Iterate over all devices */
24 pci_fill_info(dev, PCI_FILL_IDENT | PCI_FILL_BASES | PCI_FILL_CLASS); /* Fill in header info we need */
25 c = pci_read_byte(dev, PCI_INTERRUPT_PIN); /* Read config register directly */
26 printf("%02x:%02x.%d vendor=%04x device=%04x class=%04x irq=%d (pin %d) base0=%lx\n",
27 dev->bus, dev->dev, dev->func, dev->vendor_id, dev->device_id,
28 dev->device_class, dev->irq, c, dev->base_addr[0]);
30 pci_cleanup(pacc); /* Close everything */