lib/i386-io-linux.h

   1 /*
   2  *      The PCI Library -- Access to i386 I/O ports on Linux
   3  *
   4  *      Copyright (c) 1997--2006 Martin Mares <mj@ucw.cz>
   5  *
   6  *      Can be freely distributed and used under the terms of the GNU GPL.
   7  */
   8
   9 #ifdef __GLIBC__
  10 #include <sys/io.h>
  11 #else
  12 #include <asm/io.h>
  13 #endif
  14
  15 static int
  16 intel_setup_io(struct pci_access *a UNUSED)
  17 {
  18   return (iopl(3) < 0) ? 0 : 1;
  19 }
  20
  21 static inline int
  22 intel_cleanup_io(struct pci_access *a UNUSED)
  23 {
  24   iopl(3);
  25   return -1;
  26 }