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pcibios_read_config_byte
Langue: en
Version: August 5, 1997 (mandriva - 22/10/07)
Section: 9 (Appels noyau Linux)
NAME
pcibios_read_config_byte - read one byte of data from the configuration space of the PCI busSYNOPSIS
#include <linux/bios32.h>int pcibios_read_config_byte (unsigned char bus, unsigned char device_fn,unsigned char where, unsigned char * value);
DESCRIPTION
The pcibios_read_config_byte function reads one byte 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)BUGS
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