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pcibios_write_config_byte (9)
  • >> pcibios_write_config_byte (9) ( Linux man: Ядро )
  •  

    NAME

    pcibios_write_config_byte - write one byte of data to the configuration
    space of the PCI bus
     
    

    SYNOPSIS

    #include <linux/bios32.h>

    int pcibios_write_config_byte(unsigned char bus, unsigned char device_fn,unsigned char where, unsigned char value);  

    DESCRIPTION

    The pcibios_write_config_byte function writes one byte 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 byte 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)  

    BUGS


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUE
    AVAILABILITY
    AUTHOR
    BUGS


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