]>
git.ipfire.org Git - thirdparty/pciutils.git/blob - example.c
c7e4e8a7c3ae43779c9abb71a68fcbfe067d4342
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 */