util.c revision 1.2.2.2
1 1.2.2.2 martin /* $NetBSD: util.c,v 1.2.2.2 2018/04/19 15:37:56 martin Exp $ */ 2 1.2.2.2 martin 3 1.2.2.2 martin /*- 4 1.2.2.2 martin * Copyright (c) 2017 Netflix, Inc 5 1.2.2.2 martin * All rights reserved. 6 1.2.2.2 martin * 7 1.2.2.2 martin * Redistribution and use in source and binary forms, with or without 8 1.2.2.2 martin * modification, are permitted provided that the following conditions 9 1.2.2.2 martin * are met: 10 1.2.2.2 martin * 1. Redistributions of source code must retain the above copyright 11 1.2.2.2 martin * notice, this list of conditions and the following disclaimer. 12 1.2.2.2 martin * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.2.2 martin * notice, this list of conditions and the following disclaimer in the 14 1.2.2.2 martin * documentation and/or other materials provided with the distribution. 15 1.2.2.2 martin * 16 1.2.2.2 martin * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 1.2.2.2 martin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 1.2.2.2 martin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 1.2.2.2 martin * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 1.2.2.2 martin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 1.2.2.2 martin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 1.2.2.2 martin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.2.2.2 martin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 1.2.2.2 martin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.2.2.2 martin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.2.2.2 martin * SUCH DAMAGE. 27 1.2.2.2 martin */ 28 1.2.2.2 martin 29 1.2.2.2 martin #include <sys/cdefs.h> 30 1.2.2.2 martin #ifndef lint 31 1.2.2.2 martin __RCSID("$NetBSD: util.c,v 1.2.2.2 2018/04/19 15:37:56 martin Exp $"); 32 1.2.2.2 martin #if 0 33 1.2.2.2 martin __FBSDID("$FreeBSD: head/sbin/nvmecontrol/util.c 320423 2017-06-27 20:24:25Z imp $"); 34 1.2.2.2 martin #endif 35 1.2.2.2 martin #endif 36 1.2.2.2 martin 37 1.2.2.2 martin #include <sys/endian.h> 38 1.2.2.2 martin 39 1.2.2.2 martin #include <stdlib.h> 40 1.2.2.2 martin #include <string.h> 41 1.2.2.2 martin 42 1.2.2.2 martin #include "nvmectl.h" 43 1.2.2.2 martin #include "bn.h" 44 1.2.2.2 martin 45 1.2.2.2 martin void 46 1.2.2.2 martin nvme_strvis(u_char *dst, int dlen, const u_char *src, int slen) 47 1.2.2.2 martin { 48 1.2.2.2 martin #define STRVIS_ISWHITE(x) ((x) == ' ' || (x) == '\0' || (x) == (u_char)'\377') 49 1.2.2.2 martin /* Trim leading and trailing blanks and NULs. */ 50 1.2.2.2 martin while (slen > 0 && STRVIS_ISWHITE(src[0])) 51 1.2.2.2 martin ++src, --slen; 52 1.2.2.2 martin while (slen > 0 && STRVIS_ISWHITE(src[slen - 1])) 53 1.2.2.2 martin --slen; 54 1.2.2.2 martin 55 1.2.2.2 martin while (slen > 0) { 56 1.2.2.2 martin if (*src < 0x20 || *src >= 0x80) { 57 1.2.2.2 martin /* non-printable characters */ 58 1.2.2.2 martin dlen -= 4; 59 1.2.2.2 martin if (dlen < 1) 60 1.2.2.2 martin break; 61 1.2.2.2 martin *dst++ = '\\'; 62 1.2.2.2 martin *dst++ = ((*src & 0300) >> 6) + '0'; 63 1.2.2.2 martin *dst++ = ((*src & 0070) >> 3) + '0'; 64 1.2.2.2 martin *dst++ = ((*src & 0007) >> 0) + '0'; 65 1.2.2.2 martin } else if (*src == '\\') { 66 1.2.2.2 martin /* quote characters */ 67 1.2.2.2 martin dlen -= 2; 68 1.2.2.2 martin if (dlen < 1) 69 1.2.2.2 martin break; 70 1.2.2.2 martin *dst++ = '\\'; 71 1.2.2.2 martin *dst++ = '\\'; 72 1.2.2.2 martin } else { 73 1.2.2.2 martin /* normal characters */ 74 1.2.2.2 martin if (--dlen < 1) 75 1.2.2.2 martin break; 76 1.2.2.2 martin *dst++ = *src; 77 1.2.2.2 martin } 78 1.2.2.2 martin ++src, --slen; 79 1.2.2.2 martin } 80 1.2.2.2 martin 81 1.2.2.2 martin *dst++ = 0; 82 1.2.2.2 martin } 83 1.2.2.2 martin 84 1.2.2.2 martin #define METRIX_PREFIX_BUFSIZ 17 85 1.2.2.2 martin #define NO_METRIX_PREFIX_BUFSIZ 42 86 1.2.2.2 martin 87 1.2.2.2 martin void 88 1.2.2.2 martin print_bignum(const char *title, uint64_t v[2], const char *suffix) 89 1.2.2.2 martin { 90 1.2.2.2 martin char buf[64]; 91 1.2.2.2 martin uint8_t tmp[16]; 92 1.2.2.2 martin uint64_t h, l; 93 1.2.2.2 martin 94 1.2.2.2 martin #if _BYTE_ORDER != _LITTLE_ENDIAN 95 1.2.2.2 martin /* Already Converted to host endian */ 96 1.2.2.2 martin h = v[0]; 97 1.2.2.2 martin l = v[1]; 98 1.2.2.2 martin memcpy(tmp, v, sizeof(tmp)); 99 1.2.2.2 martin #else 100 1.2.2.2 martin h = v[1]; 101 1.2.2.2 martin l = v[0]; 102 1.2.2.2 martin 103 1.2.2.2 martin tmp[ 0] = (h >> 56) & 0xff; 104 1.2.2.2 martin tmp[ 1] = (h >> 48) & 0xff; 105 1.2.2.2 martin tmp[ 2] = (h >> 40) & 0xff; 106 1.2.2.2 martin tmp[ 3] = (h >> 32) & 0xff; 107 1.2.2.2 martin tmp[ 4] = (h >> 24) & 0xff; 108 1.2.2.2 martin tmp[ 5] = (h >> 16) & 0xff; 109 1.2.2.2 martin tmp[ 6] = (h >> 8) & 0xff; 110 1.2.2.2 martin tmp[ 7] = h & 0xff; 111 1.2.2.2 martin tmp[ 8] = (l >> 56) & 0xff; 112 1.2.2.2 martin tmp[ 9] = (l >> 48) & 0xff; 113 1.2.2.2 martin tmp[10] = (l >> 40) & 0xff; 114 1.2.2.2 martin tmp[11] = (l >> 32) & 0xff; 115 1.2.2.2 martin tmp[12] = (l >> 24) & 0xff; 116 1.2.2.2 martin tmp[13] = (l >> 16) & 0xff; 117 1.2.2.2 martin tmp[14] = (l >> 8) & 0xff; 118 1.2.2.2 martin tmp[15] = l & 0xff; 119 1.2.2.2 martin #endif 120 1.2.2.2 martin 121 1.2.2.2 martin buf[0] = '\0'; 122 1.2.2.2 martin BIGNUM *bn = BN_bin2bn(tmp, sizeof(tmp), NULL); 123 1.2.2.2 martin if (bn != NULL) { 124 1.2.2.2 martin humanize_bignum(buf, METRIX_PREFIX_BUFSIZ + strlen(suffix), 125 1.2.2.2 martin bn, suffix, HN_AUTOSCALE, HN_DECIMAL); 126 1.2.2.2 martin BN_free(bn); 127 1.2.2.2 martin } 128 1.2.2.2 martin if (buf[0] == '\0') 129 1.2.2.2 martin snprintf(buf, sizeof(buf), "0x%016" PRIx64 "%016" PRIx64, h, l); 130 1.2.2.2 martin printf("%-31s %s\n", title, buf); 131 1.2.2.2 martin } 132 1.2.2.2 martin 133 1.2.2.2 martin /* "Missing" from endian.h */ 134 1.2.2.2 martin uint64_t 135 1.2.2.2 martin le48dec(const void *pp) 136 1.2.2.2 martin { 137 1.2.2.2 martin uint8_t const *p = (uint8_t const *)pp; 138 1.2.2.2 martin 139 1.2.2.2 martin return (((uint64_t)le16dec(p + 4) << 32) | le32dec(p)); 140 1.2.2.2 martin } 141
Indexes created Thu Oct 02 07:10:07 GMT 2025