PCI_MMAP_LEGACY_IO(9) Hardware Interfaces PCI_MMAP_LEGACY_IO(9)
NAME
pci_mmap_legacy_io - map legacy PCI IO into user memory space
SYNOPSIS
int pci_mmap_legacy_io(struct kobject * kobj, struct bin_attribute * attr, struct vm_area_struct * vma);
ARGUMENTS
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_io_page_range, to mmap legacy IO space (first meg of bus space) into application virtual
memory space. Returns -ENOSYS if the operation isn't supported
COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 PCI_MMAP_LEGACY_IO(9)