]>
git.ipfire.org Git - thirdparty/pciutils.git/blob - example.c
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
;
17 char namebuf
[1024], *name
;
19 pacc
= pci_alloc(); /* Get the pci_access structure */
20 /* Set all options you want -- here we stick with the defaults */
21 pci_init(pacc
); /* Initialize the PCI library */
22 pci_scan_bus(pacc
); /* We want to get the list of devices */
23 for (dev
=pacc
->devices
; dev
; dev
=dev
->next
) /* Iterate over all devices */
25 pci_fill_info(dev
, PCI_FILL_IDENT
| PCI_FILL_BASES
| PCI_FILL_CLASS
); /* Fill in header info we need */
26 c
= pci_read_byte(dev
, PCI_INTERRUPT_PIN
); /* Read config register directly */
27 printf("%04x:%02x:%02x.%d vendor=%04x device=%04x class=%04x irq=%d (pin %d) base0=%lx",
28 dev
->domain
, dev
->bus
, dev
->dev
, dev
->func
, dev
->vendor_id
, dev
->device_id
,
29 dev
->device_class
, dev
->irq
, c
, (long) dev
->base_addr
[0]);
31 /* Look up and print the full name of the device */
32 name
= pci_lookup_name(pacc
, namebuf
, sizeof(namebuf
), PCI_LOOKUP_DEVICE
, dev
->vendor_id
, dev
->device_id
);
33 printf(" (%s)\n", name
);
35 pci_cleanup(pacc
); /* Close everything */