1 /* $NetBSD: dmover_util.c,v 1.4 2003/07/19 02:03:11 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 1.4 2003/07/19 02:03:11 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 const char dmover_funcname_iscsi_crc32c[] = "iscsi-crc32c";
58 const char dmover_funcname_xor2[] = "xor2";
59 const char dmover_funcname_xor3[] = "xor3";
60 const char dmover_funcname_xor4[] = "xor4";
61 const char dmover_funcname_xor5[] = "xor5";
62 const char dmover_funcname_xor6[] = "xor6";
63 const char dmover_funcname_xor7[] = "xor7";
64 const char dmover_funcname_xor8[] = "xor8";
65
66 /****************************************************************************
67 * Utility functions.
68 ****************************************************************************/
69
70 /*
71 * dmover_algdesc_lookup:
72 *
73 * Look up the algdesc in the provided array by name.
74 */
75 const struct dmover_algdesc *
76 dmover_algdesc_lookup(const struct dmover_algdesc *dad, int ndad,
77 const char *name)
78 {
79
80 for (; ndad != 0; ndad--, dad++) {
81 if (name[0] == dad->dad_name[0] &&
82 strcmp(name, dad->dad_name) == 0)
83 return (dad);
84 }
85 return (NULL);
86 }
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