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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

struct file * filp

open sysfs file

struct kobject * kobj

kobject corresponding to device to be mapped

struct bin_attribute * attr

struct bin_attribute for this file

struct vm_area_struct * 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

June 2017 Kernel Hackers Manual 4.11