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[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / alpha / sys / io.h

diff --git a/sysdeps/unix/sysv/linux/alpha/sys/io.h b/sysdeps/unix/sysv/linux/alpha/sys/io.h
index c4aa2c776ce5b02bf5c228e5dd228933fb597b37..ca56f85b6aadb882a6e9ce83832ee52b2d1e58af 100644 (file)
--- a/sysdeps/unix/sysv/linux/alpha/sys/io.h
+++ b/sysdeps/unix/sysv/linux/alpha/sys/io.h
@@ -1,20 +1,19 @@
-/* Copyright (C) 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2019 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <https://www.gnu.org/licenses/>.  */
 
 #ifndef        _SYS_IO_H
 
@@ -23,9 +22,6 @@
 
 __BEGIN_DECLS
 
-/* Get constants from kernel header files. */
-#include <asm/io.h>
-
 /* 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.
@@ -33,26 +29,65 @@ __BEGIN_DECLS
    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 __P ((unsigned long int __from, unsigned long int __num,
-                       int __turn_on));
+extern int ioperm (unsigned long int __from, unsigned long int __num,
+                  int __turn_on) __THROW;
 
 /* 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 __P ((int __level));
+extern int iopl (int __level) __THROW;
 
 /* Return the physical address of the DENSE I/O memory or NULL if none
    is available (e.g. on a jensen).  */
-extern unsigned long _bus_base __P ((void)) __attribute__ ((const));
-extern unsigned long bus_base __P ((void)) __attribute__ ((const));
+extern unsigned long int _bus_base (void) __THROW __attribute__ ((const));
+extern unsigned long int bus_base (void) __THROW __attribute__ ((const));
 
 /* Return the physical address of the SPARSE I/O memory.  */
-extern unsigned long _bus_base_sparse __P ((void)) __attribute__ ((const));
-extern unsigned long bus_base_sparse __P ((void)) __attribute__ ((const));
+extern unsigned long _bus_base_sparse (void) __THROW __attribute__ ((const));
+extern unsigned long bus_base_sparse (void) __THROW __attribute__ ((const));
 
 /* Return the HAE shift used by the SPARSE I/O memory.  */
-extern int _hae_shift __P ((void)) __attribute__ ((const));
-extern int hae_shift __P ((void)) __attribute__ ((const));
+extern int _hae_shift (void) __THROW __attribute__ ((const));
+extern int hae_shift (void) __THROW __attribute__ ((const));
+
+/* Previous three are deprecated in favour of the following, which
+   knows about multiple PCI "hoses".  Provide the PCI bus and dfn
+   numbers just as to pciconfig_read/write.  */
+
+enum __pciconfig_iobase_which
+{
+  IOBASE_HOSE = 0,             /* Return hose index. */
+  IOBASE_SPARSE_MEM = 1,       /* Return physical memory addresses.  */
+  IOBASE_DENSE_MEM = 2,
+  IOBASE_SPARSE_IO = 3,
+  IOBASE_DENSE_IO = 4
+};
+
+extern long pciconfig_iobase(enum __pciconfig_iobase_which __which,
+                            unsigned long int __bus,
+                            unsigned long int __dfn)
+     __THROW __attribute__ ((const));
+
+/* 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) __THROW;
+
+extern int pciconfig_write (unsigned long int __bus,
+                           unsigned long int __dfn,
+                           unsigned long int __off,
+                           unsigned long int __len,
+                           unsigned char *__buf) __THROW;
+
+/* Userspace declarations.  */
+extern unsigned int inb (unsigned long __port) __THROW;
+extern unsigned int inw (unsigned long __port) __THROW;
+extern unsigned int inl (unsigned long __port) __THROW;
+extern void outb (unsigned char __b, unsigned long __port) __THROW;
+extern void outw (unsigned short __w, unsigned long __port) __THROW;
+extern void outl (unsigned int __l, unsigned long __port) __THROW;
 
 __END_DECLS