1. NAME▲

pci_mmap_legacy_io - map legacy PCI IO into user memory space

2. SYNOPSIS ▲

int pci_mmap_legacy_io(struct file *  filp , struct kobject *  kobj , struct bin_attribute *  attr , struct vm_area_struct *  vma );

3. 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

4. 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 isnAqt supported

5. COPYRIGHT ▲