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dmover_util.c revision 1.1 
      1 /*	$NetBSD: dmover_util.c,v 1.1 2002/08/02 00:30:39 thorpej Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2002 Wasabi Systems, Inc.
      5  * All rights reserved.
      6  *
      7  * Written by Jason R. Thorpe for Wasabi Systems, Inc.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *	This product includes software developed for the NetBSD Project by
     20  *	Wasabi Systems, Inc.
     21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
     22  *    or promote products derived from this software without specific prior
     23  *    written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
     26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
     29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     35  * POSSIBILITY OF SUCH DAMAGE.
     36  */
     37 
     38 /*
     39  * dmover_util.c: Utility functions for dmover-api.
     40  */
     41 
     42 #include <sys/cdefs.h>
     43 __KERNEL_RCSID(0, "$NetBSD: dmover_util.c,v 1.1 2002/08/02 00:30:39 thorpej Exp $");
     44 
     45 #include <sys/param.h>
     46 #include <sys/systm.h>
     47 
     48 #include <dev/dmover/dmovervar.h>
     49 
     50 /****************************************************************************
     51  * Well-known data mover function names.
     52  ****************************************************************************/
     53 
     54 const char dmover_funcname_zero[] = "zero";
     55 const char dmover_funcname_fill8[] = "fill8";
     56 const char dmover_funcname_copy[] = "copy";
     57 
     58 /****************************************************************************
     59  * Utility functions.
     60  ****************************************************************************/
     61 
     62 /*
     63  * dmover_algdesc_lookup:
     64  *
     65  *	Look up the algdesc in the provided array by name.
     66  */
     67 const struct dmover_algdesc *
     68 dmover_algdesc_lookup(const struct dmover_algdesc *dad, int ndad,
     69     const char *name)
     70 {
     71 
     72 	for (; ndad != 0; ndad--, dad++) {
     73 		if (name[0] == dad->dad_name[0] &&
     74 		    strcmp(name, dad->dad_name) == 0)
     75 			return (dad);
     76 	}
     77 	return (NULL);
     78 }
     79