pcibios_write_config_dword(9) BIOS32 Functions pcibios_write_config_dword(9)NAMEpcibios_write_config_dword - write one double word of data to the con‐
figuration space of the PCI bus
SYNOPSIS
#include <linux/bios32.h>
int pcibios_write_config_dword (unsigned char bus, unsigned char
device_fn,unsigned char where, unsigned int value);
DESCRIPTION
The pcibios_write_config_dword function writes one double word to the
configuration space of the PCI bus. The bus can be specified with the
bus parameters. The device_fn paramter determines which ? to use.
where is set to the ?. The word to be written to the configuration
space is stored in the value parameter.
RETURN VALUE
The return value is taken from the PCI controller in a way that I'm not
quite sure of.
If the PCI system is unavailable, PCIBIOS_FUNC_NOT_SUPPORTED is
returned.
AVAILABILITY
Linux 1.0?
AUTHOR
Kirk Petersen (kirk@speakeasy.org)
BUGSLinux DDI August 5, 1997 pcibios_write_config_dword(9)