pci_mmap_legacy_mem (9) - Linux Manuals

pci_mmap_legacy_mem: map legacy PCI memory into user memory space

Command to display pci_mmap_legacy_mem manual in Linux: $ man 9 pci_mmap_legacy_mem

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.