pcibridge.h File Reference

PCI-to-PCI bridge. More...

#include <stdint.h>
#include <ipxe/list.h>
#include <ipxe/pci.h>

Go to the source code of this file.

Data Structures
struct	pci_bridge
	A PCI-to-PCI bridge. More...

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
struct pci_bridge *	pcibridge_find (struct pci_device *pci)
	Find bridge attached to a PCI device.

Detailed Description

PCI-to-PCI bridge.

Definition in file pcibridge.h.

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

pcibridge_find()

struct pci_bridge * pcibridge_find ( struct pci_device * pci )

extern

Find bridge attached to a PCI device.

Parameters

pci	PCI device

Return values

bridge

PCI bridge, or NULL

Definition at line 48 of file pcibridge.c.

                                                              {
        unsigned int bus = PCI_BUS ( pci->busdevfn );
        struct pci_bridge *bridge;
 
        /* Find matching bridge */
        list_for_each_entry ( bridge, &pcibridges, list ) {
                if ( bus == bridge->secondary )
                        return bridge;
        }
 
        return NULL;
}

References bus, pci_device::busdevfn, pci_bridge::list, list_for_each_entry, NULL, pci_bridge::pci, PCI_BUS, and pci_bridge::secondary.

Referenced by ena_membases().