1 /*
2 * This file and its contents are supplied under the terms of the
3 * Common Development and Distribution License ("CDDL"), version 1.0.
4 * You may only use this file in accordance with the terms of version
5 * 1.0 of the CDDL.
6 *
7 * A full copy of the text of the CDDL should have accompanied this
8 * source. A copy of the CDDL is also available via the Internet at
9 * http://www.illumos.org/license/CDDL.
10 */
11
12 /*
13 * Copyright (c) 2017, Joyent, Inc.
14 */
15
16 /*
17 * Print SFF 8636 device tech values.
18 */
19
20 #include <stdio.h>
21 #include <errno.h>
22 #include <strings.h>
23 #include <err.h>
24 #include <libsff.h>
25
26 /*
27 * Pick up private sff header file with offsets from lib/libsff.
28 */
29 #include "sff.h"
30
31 static void
lst_print_array(nvlist_t * nvl,const char * key)32 lst_print_array(nvlist_t *nvl, const char *key)
33 {
34 int ret;
35 uint_t i, count;
36 char **vals;
37
38 if ((ret = nvlist_lookup_string_array(nvl, key, &vals, &count)) != 0) {
39 errx(1, "TEST FAILED failed to find key %s: %s\n", key,
40 strerror(ret));
41 }
42
43 (void) puts(key);
44 for (i = 0; i < count; i++) {
45 (void) printf("\t%d\t%s\n", i, vals[i]);
46 }
47 }
48
49 int
main(void)50 main(void)
51 {
52 uint_t i;
53 uint8_t buf[256];
54
55 bzero(buf, sizeof (buf));
56 buf[SFF_8472_IDENTIFIER] = SFF_8024_ID_QSFP;
57
58 /*
59 * The upper four bits of this value are used as a 4-bit identifier. The
60 * lower four bits are used as options.
61 */
62 for (i = 0; i < 16; i++) {
63 int ret;
64 nvlist_t *nvl;
65
66 buf[SFF_8636_DEVICE_TECH] = i << 4;
67 buf[SFF_8636_DEVICE_TECH] |= (i % 16);
68
69 if ((ret = libsff_parse(buf, sizeof (buf), 0xa0, &nvl)) != 0) {
70 errx(1, "TEST FAILED: failed to parse QSFP device tech "
71 "%d: %s\n", i, strerror(errno));
72 }
73
74 lst_print_array(nvl, LIBSFF_KEY_TRAN_TECH);
75 nvlist_free(nvl);
76 }
77
78 return (0);
79 }
80