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: /usr/share/doc/pciutils/examples/ [ drwxr-xr-x ]
name : example.c /* * The PCI Library -- Example of use (simplistic lister of PCI devices) * * Written by Martin Mares and put to public domain. You can do * with it anything you want, but I don't give you any warranty. */ #include <stdio.h> #include "lib/pci.h" int main(void) { struct pci_access *pacc; struct pci_dev *dev; unsigned int c; char namebuf[1024], *name; pacc = pci_alloc(); /* Get the pci_access structure */ /* Set all options you want -- here we stick with the defaults */ pci_init(pacc); /* Initialize the PCI library */ pci_scan_bus(pacc); /* We want to get the list of devices */ for (dev=pacc->devices; dev; dev=dev->next) /* Iterate over all devices */ { pci_fill_info(dev, PCI_FILL_IDENT | PCI_FILL_BASES | PCI_FILL_CLASS); /* Fill in header info we need */ c = pci_read_byte(dev, PCI_INTERRUPT_PIN); /* Read config register directly */ printf("%04x:%02x:%02x.%d vendor=%04x device=%04x class=%04x irq=%d (pin %d) base0=%lx", dev->domain, dev->bus, dev->dev, dev->func, dev->vendor_id, dev->device_id, dev->device_class, dev->irq, c, (long) dev->base_addr[0]); /* Look up and print the full name of the device */ name = pci_lookup_name(pacc, namebuf, sizeof(namebuf), PCI_LOOKUP_DEVICE, dev->vendor_id, dev->device_id); printf(" (%s)\n", name); } pci_cleanup(pacc); /* Close everything */ return 0; }