patch-2.4.19 linux-2.4.19/include/asm-ia64/sn/ate_utils.h

• Lines: 52
• Date: Fri Aug 2 17:39:45 2002
• Orig file: linux-2.4.18/include/asm-ia64/sn/ate_utils.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/include/asm-ia64/sn/ate_utils.h linux-2.4.19/include/asm-ia64/sn/ate_utils.h
@@ -0,0 +1,51 @@
+#ifndef _ASM_IA64_SN_ATE_UTILS_H
+#define _ASM_IA64_SN_ATE_UTILS_H
+
+/* $Id: ate_utils.h,v 1.1 2002/02/28 17:31:25 marcelo Exp $
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1992 - 1997, 2000-2002 Silicon Graphics, Inc. All rights reserved.
+ */
+
+/*
+ *	struct map	X[]	.m_size		.m_addr
+ *			---	------------	-----------
+ *			[0]	mapsize(X)	unused
+ *				# X[] unused
+ *			[1]	map lock *	mapwant sv_t *
+ *				map access	wait for free map space
+ *
+ *	  mapstart(X)-> [2]	# units		unit number
+ *			 :	    :		  :
+ *			[ ]	    0
+ */
+
+#include <linux/types.h>
+
+#define ulong_t uint64_t
+
+struct map
+{
+	unsigned long m_size;	/* number of units available */
+	unsigned long m_addr;	/* address of first available unit */
+};
+
+#define mapstart(X)		&X[2]		/* start of map array */
+
+#define mapsize(X)		X[0].m_size	/* number of empty slots */
+						/* remaining in map array */
+#define maplock(X)		(((spinlock_t *) X[1].m_size))
+
+#define mapout(X)		((sv_t *) X[1].m_addr)
+
+
+extern ulong_t atealloc(struct map *, size_t);
+extern struct map *atemapalloc(ulong_t);
+extern void atefree(struct map *, size_t, ulong_t);
+extern void atemapfree(struct map *);
+
+#endif /* _ASM_IA64_SN_ATE_UTILS_H  */
+