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.