xref: /aosp_15_r20/external/pciutils/lib/i386-io-cygwin.h (revision c2e0c6b56a71da9abe8df5c8348fb3eb5c2c9251)
1*c2e0c6b5SAndroid Build Coastguard Worker /*
2*c2e0c6b5SAndroid Build Coastguard Worker  *	The PCI Library -- Access to i386 I/O ports under Windows with CYGWIN
3*c2e0c6b5SAndroid Build Coastguard Worker  *
4*c2e0c6b5SAndroid Build Coastguard Worker  *	Copyright (c) 1997--2006 Martin Mares <[email protected]>
5*c2e0c6b5SAndroid Build Coastguard Worker  *
6*c2e0c6b5SAndroid Build Coastguard Worker  *	Can be freely distributed and used under the terms of the GNU GPL v2+
7*c2e0c6b5SAndroid Build Coastguard Worker  *
8*c2e0c6b5SAndroid Build Coastguard Worker  *	SPDX-License-Identifier: GPL-2.0-or-later
9*c2e0c6b5SAndroid Build Coastguard Worker  */
10*c2e0c6b5SAndroid Build Coastguard Worker 
11*c2e0c6b5SAndroid Build Coastguard Worker #include <sys/io.h>
12*c2e0c6b5SAndroid Build Coastguard Worker 
13*c2e0c6b5SAndroid Build Coastguard Worker #include "i386-io-access.h"
14*c2e0c6b5SAndroid Build Coastguard Worker 
15*c2e0c6b5SAndroid Build Coastguard Worker static int
intel_setup_io(struct pci_access * a UNUSED)16*c2e0c6b5SAndroid Build Coastguard Worker intel_setup_io(struct pci_access *a UNUSED)
17*c2e0c6b5SAndroid Build Coastguard Worker {
18*c2e0c6b5SAndroid Build Coastguard Worker   return (iopl(3) < 0) ? 0 : 1;
19*c2e0c6b5SAndroid Build Coastguard Worker }
20*c2e0c6b5SAndroid Build Coastguard Worker 
21*c2e0c6b5SAndroid Build Coastguard Worker static inline void
intel_cleanup_io(struct pci_access * a UNUSED)22*c2e0c6b5SAndroid Build Coastguard Worker intel_cleanup_io(struct pci_access *a UNUSED)
23*c2e0c6b5SAndroid Build Coastguard Worker {
24*c2e0c6b5SAndroid Build Coastguard Worker   iopl(0);
25*c2e0c6b5SAndroid Build Coastguard Worker }
26*c2e0c6b5SAndroid Build Coastguard Worker 
intel_io_lock(void)27*c2e0c6b5SAndroid Build Coastguard Worker static inline void intel_io_lock(void)
28*c2e0c6b5SAndroid Build Coastguard Worker {
29*c2e0c6b5SAndroid Build Coastguard Worker }
30*c2e0c6b5SAndroid Build Coastguard Worker 
intel_io_unlock(void)31*c2e0c6b5SAndroid Build Coastguard Worker static inline void intel_io_unlock(void)
32*c2e0c6b5SAndroid Build Coastguard Worker {
33*c2e0c6b5SAndroid Build Coastguard Worker }
34