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a80b79a9 MM |
1 | /* |
2 | * The PCI Library -- Example of use (simplistic lister of PCI devices) | |
3 | * | |
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. | |
6 | */ | |
7 | ||
8 | #include <stdio.h> | |
9 | ||
bc46bc39 | 10 | #include "lib/pci.h" |
a80b79a9 MM |
11 | |
12 | int main(void) | |
13 | { | |
14 | struct pci_access *pacc; | |
15 | struct pci_dev *dev; | |
16 | unsigned int c; | |
17 | ||
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 */ | |
23 | { | |
14d4f989 MM |
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", | |
a80b79a9 | 27 | dev->bus, dev->dev, dev->func, dev->vendor_id, dev->device_id, |
14d4f989 | 28 | dev->device_class, dev->irq, c, dev->base_addr[0]); |
a80b79a9 MM |
29 | } |
30 | pci_cleanup(pacc); /* Close everything */ | |
31 | return 0; | |
32 | } |