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