pcibios_read_config_dword(9) BIOS32 Functions pcibios_read_config_dword(9)NAMEpcibios_read_config_dword - read a double word of data from the configā
uration space of the PCI bus
SYNOPSIS
#include <linux/bios32.h>
int pcibios_read_config_dword (unsigned char bus, unsigned char
device_fn,unsigned char where, unsigned int * value);
DESCRIPTION
The pcibios_read_config_dword function reads a double word from 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 ?. After the call is made, value points to the
value that was read.
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_read_config_dword(9)