patch-2.0.36 linux/include/asm-i386/mtrr.h

• Lines: 66
• Date: Sun Nov 15 10:33:15 1998
• Orig file: v2.0.35/linux/include/asm-i386/mtrr.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.0.35/linux/include/asm-i386/mtrr.h linux/include/asm-i386/mtrr.h
@@ -0,0 +1,65 @@
+/*  Generic MTRR (Memory Type Range Register) ioctls.
+
+    Copyright (C) 1997  Richard Gooch
+
+    This 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.
+
+    This 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.
+
+    You should have received a copy of the GNU Library General Public
+    License along with this library; if not, write to the Free
+    Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+    Richard Gooch may be reached by email at  rgooch@atnf.csiro.au
+    The postal address is:
+      Richard Gooch, c/o ATNF, P. O. Box 76, Epping, N.S.W., 2121, Australia.
+
+    modified by Mathias Fr"ohlich, Jan, 1998
+    <frohlich@na.uni-tuebingen.de>
+*/
+#ifndef _LINUX_MTRR_H
+#define _LINUX_MTRR_H
+
+/*  These are the region types  */
+#define MTRR_TYPE_UNCACHABLE 0
+#define MTRR_TYPE_WRCOMB     1
+/*#define MTRR_TYPE_         2*/
+/*#define MTRR_TYPE_         3*/
+#define MTRR_TYPE_WRTHROUGH  4
+#define MTRR_TYPE_WRPROT     5
+#define MTRR_TYPE_WRBACK     6
+#define MTRR_NUM_TYPES       7
+
+static char *attrib_to_str (int x) __attribute__ ((unused));
+
+static char *attrib_to_str (int x)
+{
+	switch (x) {
+	case 0: return "uncachable";
+	case 1: return "write-combining";
+	case 4: return "write-through";
+	case 5: return "write-protect";
+	case 6: return "write-back";
+	default: return "?";
+	}
+}   /*  End Function attrib_to_str  */
+
+#ifdef __KERNEL__
+
+#ifdef CONFIG_MTRR
+
+extern void check_mtrr_config(void);
+extern void init_mtrr_config(void);
+/* extern void set_mtrr_config(void); */
+
+#endif /* CONFIG_MTRR */
+
+#endif /* __KERNEL__ */
+
+#endif /* _LINUX_MTRR_H */