pci_write_rom(9) centos man page | unix.com

PCI_WRITE_ROM(9)						Hardware Interfaces						  PCI_WRITE_ROM(9)

NAME
       pci_write_rom - used to enable access to the PCI ROM display

SYNOPSIS
       ssize_t pci_write_rom(struct file * filp, struct kobject * kobj, struct bin_attribute * bin_attr, char * buf, loff_t off, size_t count);

ARGUMENTS
       filp
	   sysfs file

       kobj
	   kernel object handle

       bin_attr
	   struct bin_attribute for this file

       buf
	   user input

       off
	   file offset

       count
	   number of byte in input

DESCRIPTION
       writing anything except 0 enables it

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							  PCI_WRITE_ROM(9)