centos man page for pci_mmap_legacy_mem

PCI_MMAP_LEGACY_MEM(9)						Hardware Interfaces					    PCI_MMAP_LEGACY_MEM(9)

NAME
       pci_mmap_legacy_mem - map legacy PCI memory into user memory space

SYNOPSIS
       int pci_mmap_legacy_mem(struct file * filp, struct kobject * kobj, struct bin_attribute * attr, struct vm_area_struct * vma);

ARGUMENTS
       filp
	   open sysfs file

       kobj
	   kobject corresponding to device to be mapped

       attr
	   struct bin_attribute for this file

       vma
	   struct vm_area_struct passed to mmap

DESCRIPTION
       Uses an arch specific callback, pci_mmap_legacy_mem_page_range, to mmap legacy memory space (first meg of bus space) into application
       virtual memory space.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						    PCI_MMAP_LEGACY_MEM(9)