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Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/ia64/sys/io.h')
| -rw-r--r-- | REORG.TODO/sysdeps/unix/sysv/linux/ia64/sys/io.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/ia64/sys/io.h b/REORG.TODO/sysdeps/unix/sysv/linux/ia64/sys/io.h new file mode 100644 index 0000000000..338367ee48 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/ia64/sys/io.h @@ -0,0 +1,67 @@ +/* Copyright (C) 1999-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David Mosberger-Tang <davidm@hpl.hp.com> + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _SYS_IO_H +#define _SYS_IO_H 1 + +#include <features.h> + +__BEGIN_DECLS + +/* If TURN_ON is TRUE, request for permission to do direct i/o on the + port numbers in the range [FROM,FROM+NUM-1]. Otherwise, turn I/O + permission off for that range. This call requires root privileges. + + Portability note: not all Linux platforms support this call. Most + platforms based on the PC I/O architecture probably will, however. + E.g., Linux/Alpha for Alpha PCs supports this. */ +extern int ioperm (unsigned long int __from, unsigned long int __num, + int __turn_on); + +/* Set the I/O privilege level to LEVEL. If LEVEL>3, permission to + access any I/O port is granted. This call requires root + privileges. */ +extern int iopl (int __level); + +extern unsigned int _inb (unsigned long int __port); +extern unsigned int _inb (unsigned long int __port); +extern unsigned int _inw (unsigned long int __port); +extern unsigned int _inl (unsigned long int __port); +extern void _outb (unsigned char __val, unsigned long int __port); +extern void _outw (unsigned short __val, unsigned long int __port); +extern void _outl (unsigned int __val, unsigned long int __port); + +#define inb _inb +#define inw _inw +#define inl _inl +#define outb _outb +#define outw _outw +#define outl _outl + +/* Access PCI space protected from machine checks. */ +extern int pciconfig_read (unsigned long int __bus, unsigned long int __dfn, + unsigned long int __off, unsigned long int __len, + unsigned char *__buf); + +extern int pciconfig_write (unsigned long int __bus, unsigned long int __dfn, + unsigned long int __off, unsigned long int __len, + unsigned char *__buf); + +__END_DECLS + +#endif /* _SYS_IO_H */ |