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
Kernel Hackers Manual 4.8.                 January 2017                    PCI_MMAP_LEGACY_MEM(9)