1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <unistd.h>
30 #include <sys/types.h>
31 #include <sys/sysmacros.h>
32 #include <fcntl.h>
33 #include <sys/condvar.h>
34 #include <string.h>
35 #include <strings.h>
36
37 #include <sys/byteorder.h>
38
39 #include <libintl.h> /* for gettext(3c) */
40 #include <fwflash/fwflash.h>
41
42 char vendor[] = "GENERIC \0";
43
44 /* MAXIMGSIZE = 1.4 * 1024 * 1024 bytes */
45 /* Currently the largest firmware image size is 1.4 MB */
46 /* 1468006 = 1.4 * 1024 * 1024 */
47 #define MAXIMGSIZE ((unsigned int)(1468006))
48
49 extern struct vrfyplugin *verifier;
50
51 /* required functions for this plugin */
52 int vendorvrfy(struct devicelist *devicenode);
53
54 /*
55 * Important information about how this verification plugin works
56 *
57 * Direct-attached disks (sd instances) which support firmware
58 * download accept image files up to 1.4 * 1024 * 1024 bytes in
59 * size, and do their own verification of the image, rejecting the
60 * file if it is not appropriate for them.
61 *
62 * All that we need to do here is set the various verifier fields
63 * correctly, and check that the filesize as read from the filesystem
64 * is less than 1.4 * 1024 * 1024 bytes.
65 */
66
67 int
vendorvrfy(struct devicelist * devicenode)68 vendorvrfy(struct devicelist *devicenode)
69 {
70 if (verifier->imgsize > MAXIMGSIZE) {
71 logmsg(MSG_ERROR,
72 gettext("\nsd-GENERIC firmware image verifier: "
73 "supplied filename %s exceeds maximum allowable "
74 "size of %d bytes\n"),
75 verifier->imgfile, MAXIMGSIZE);
76 return (FWFLASH_FAILURE);
77 }
78
79 logmsg(MSG_INFO,
80 "sd-GENERIC verifier for device\n"
81 "vid %s, pid %s, rev %s\npath %s\n",
82 devicenode->ident->vid,
83 devicenode->ident->pid,
84 devicenode->ident->revid,
85 devicenode->addresses[0]);
86 verifier->flashbuf = 0;
87
88 return (FWFLASH_SUCCESS);
89 }
90