lib/i386-io-hurd.h

   1 /*
   2  *      The PCI Library -- Access to i386 I/O ports on GNU Hurd
   3  *
   4  *      Copyright (c) 2003 Marco Gerards <metgerards@student.han.nl>
   5  *      Copyright (c) 2003 Martin Mares <mj@ucw.cz>
   6  *      Copyright (c) 2006 Samuel Thibault <samuel.thibault@ens-lyon.org> and
   7  *                         Thomas Schwinge <tschwinge@gnu.org>
   8  *      Copyright (c) 2007 Thomas Schwinge <tschwinge@gnu.org>
   9  *
  10  *      Can be freely distributed and used under the terms of the GNU GPL.
  11  */
  12
  13 #include <sys/io.h>
  14
  15 static inline int
  16 intel_setup_io(struct pci_access *a UNUSED)
  17 {
  18   return (ioperm (0, 65535, 1) == -1) ? 0 : 1;
  19 }
  20
  21 static inline int
  22 intel_cleanup_io(struct pci_access *a UNUSED)
  23 {
  24   ioperm (0, 65535, 0);
  25
  26   return -1;
  27 }
  28
  29 static inline void intel_io_lock(void)
  30 {
  31 }
  32
  33 static inline void intel_io_unlock(void)
  34 {
  35 }