usr/src/test/util-tests/tests/libsff/libsff_8636_tech.c

   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
  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
  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 }