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  1. /*
  2.  * HelenOS PCI driver.
  3.  *
  4.  * (Based on public domain libpci example.c written by Martin Mares.)
  5.  * Copyright (c) 2006 Jakub Jermar
  6.  *
  7.  * Can be freely distributed and used under the terms of the GNU GPL.
  8.  */
  9.  
  10. /**
  11.  * @addtogroup pci
  12.  * @{
  13.  */
  14.  
  15. #include <stdio.h>
  16. #include <ddi.h>
  17. #include <task.h>
  18. #include <stdlib.h>
  19. #include <errno.h>
  20.  
  21. #include "libpci/pci.h"
  22.  
  23. #define NAME        "PCI"
  24.  
  25. static struct pci_access *pacc;
  26.  
  27. int main(int argc, char *argv[])
  28. {
  29.     struct pci_dev *dev;
  30.     unsigned int c;
  31.     char buf[80];
  32.    
  33.     pacc = pci_alloc();           /* Get the pci_access structure */
  34.     pci_init(pacc);               /* Initialize the PCI library */
  35.     pci_scan_bus(pacc);           /* We want to get the list of devices */
  36.     for(dev=pacc->devices; dev; dev=dev->next) {   /* Iterate over all devices */
  37.         pci_fill_info(dev, PCI_FILL_IDENT | PCI_FILL_BASES | PCI_FILL_IRQ);
  38.         c = pci_read_word(dev, PCI_CLASS_DEVICE); /* Read config register directly */
  39.         printf("%02x:%02x.%d vendor=%04x device=%04x class=%04x irq=%d base0=%lx\n",
  40.             dev->bus, dev->dev, dev->func, dev->vendor_id, dev->device_id,
  41.             c, dev->irq, dev->base_addr[0]);
  42.         printf("\t%s\n", pci_lookup_name(pacc, buf, sizeof(buf), PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
  43.             dev->vendor_id, dev->device_id));
  44.     }
  45.  
  46.     pci_cleanup(pacc);
  47.     return 0;
  48. }
  49.  
  50. /**
  51.  * @}
  52.  */
  53.