pci-lookup.c

libpci-example.c

#include <stdio.h>
#include "pci/pci.h"

/* Compile: gcc pci-lookup.c -lpci -o pci-lookup */

int main(int argc, char **argv)
{
        struct pci_access *pacc;
        struct pci_dev dev;
        char namebuf[1024], *name;
        int flags = PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE;
        int i = 1;

        if (argc < 3 || ((argc - 1) % 2 != 0))  {
                printf ("Usage: ./pci-lookup 0x8086 0x151c 0x8086 0x1510\n");
                return -1;
        }

        if (argc > 3)
                flags |= PCI_LOOKUP_CACHE;

        pacc = pci_alloc();
        pci_init(pacc);

        for (i = 1; i < argc - 1; i += 2) {
                dev.vendor_id = strtol(argv[i], NULL, 16);
                dev.device_id = strtol(argv[i+1], NULL, 16);

                name = pci_lookup_name(pacc, namebuf, sizeof(namebuf), flags,
                                dev.vendor_id, dev.device_id);

                printf("%04x %04x %s\n", dev.vendor_id, dev.device_id, name);
        }

        pci_cleanup(pacc);

        return 0;
}