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(ret));
72 		}
73 
74 		lst_print_array(nvl, LIBSFF_KEY_TRAN_TECH);
75 		nvlist_free(nvl);
76 	}
77 
78 	return (0);
79 }
80