Scroll to navigation

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

February 2017 Kernel Hackers Manual 3.16