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 v2+
11 *
12 * SPDX-License-Identifier: GPL-2.0-or-later
13 */
14
15 #include <sys/io.h>
16
17 #include "i386-io-access.h"
18
19 static inline int
intel_setup_io(struct pci_access * a UNUSED)20 intel_setup_io(struct pci_access *a UNUSED)
21 {
22 return (ioperm (0, 65535, 1) == -1) ? 0 : 1;
23 }
24
25 static inline void
intel_cleanup_io(struct pci_access * a UNUSED)26 intel_cleanup_io(struct pci_access *a UNUSED)
27 {
28 ioperm (0, 65535, 0);
29 }
30
intel_io_lock(void)31 static inline void intel_io_lock(void)
32 {
33 }
34
intel_io_unlock(void)35 static inline void intel_io_unlock(void)
36 {
37 }
38