pci_mmap_legacy_io man page on Scientific

pci_mmap_legacy_io man page on Scientific

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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 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_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.	 November 2013		 PCI_MMAP_LEGACY_IO(9)

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