This version of this document is no longer maintained. For the latest documentation, see http://www.qnx.com/developers/docs.

pci_rescan_bus()

Rescan the PCI bus for added or removed devices

Synopsis:

#include <hw/pci.h>

int pci_rescan_bus( void );

Library:

libc

Use the -l c option to qcc to link against this library. This library is usually included automatically.

Description:

The pci_rescan_bus() function asks the PCI server to rescan the PCI bus(es) for devices that have been inserted or removed. This is used in hot swap situations such as for CardBus cards. The PCI server updates its internal configuration to reflect any changes.

You must successfully call pci_attach() before calling any of the other PCI functions.

Returns:

PCI_SUCCESS

Success.

-1

The function failed.

Classification:

QNX Neutrino

See also:

pci_attach(), pci_attach_device(), pci_detach(), pci_detach_device(), pci_find_class(), pci_find_device(), pci_present(), pci_read_config(), pci_read_config8(), pci_read_config16(), pci_read_config32(), pci_write_config(), pci_write_config8(), pci_write_config16(), pci_write_config32()