1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (C) 2012-2013 Intel Corporation 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 34 #include <err.h> 35 #include <errno.h> 36 #include <fcntl.h> 37 #include <paths.h> 38 #include <stddef.h> 39 #include <stdio.h> 40 #include <stdlib.h> 41 #include <string.h> 42 #include <unistd.h> 43 44 #include "nvmecontrol.h" 45 46 static void 47 devlist_usage(void) 48 { 49 fprintf(stderr, "usage:\n"); 50 fprintf(stderr, DEVLIST_USAGE); 51 exit(1); 52 } 53 54 static inline uint32_t 55 ns_get_sector_size(struct nvme_namespace_data *nsdata) 56 { 57 uint8_t flbas_fmt, lbads; 58 59 flbas_fmt = (nsdata->flbas >> NVME_NS_DATA_FLBAS_FORMAT_SHIFT) & 60 NVME_NS_DATA_FLBAS_FORMAT_MASK; 61 lbads = (nsdata->lbaf[flbas_fmt] >> NVME_NS_DATA_LBAF_LBADS_SHIFT) & 62 NVME_NS_DATA_LBAF_LBADS_MASK; 63 64 return (1 << lbads); 65 } 66 67 void 68 devlist(int argc, char *argv[]) 69 { 70 struct nvme_controller_data cdata; 71 struct nvme_namespace_data nsdata; 72 char name[64]; 73 uint8_t mn[64]; 74 uint32_t i; 75 int ch, ctrlr, fd, found, ret; 76 77 while ((ch = getopt(argc, argv, "")) != -1) { 78 switch ((char)ch) { 79 default: 80 devlist_usage(); 81 } 82 } 83 84 ctrlr = -1; 85 found = 0; 86 87 while (1) { 88 ctrlr++; 89 sprintf(name, "%s%d", NVME_CTRLR_PREFIX, ctrlr); 90 91 ret = open_dev(name, &fd, 0, 0); 92 93 if (ret != 0) { 94 if (ret == EACCES) { 95 warnx("could not open "_PATH_DEV"%s\n", name); 96 continue; 97 } else 98 break; 99 } 100 101 found++; 102 read_controller_data(fd, &cdata); 103 nvme_strvis(mn, cdata.mn, sizeof(mn), NVME_MODEL_NUMBER_LENGTH); 104 printf("%6s: %s\n", name, mn); 105 106 for (i = 0; i < cdata.nn; i++) { 107 sprintf(name, "%s%d%s%d", NVME_CTRLR_PREFIX, ctrlr, 108 NVME_NS_PREFIX, i+1); 109 read_namespace_data(fd, i+1, &nsdata); 110 if (nsdata.nsze == 0) 111 continue; 112 printf(" %10s (%lldMB)\n", 113 name, 114 nsdata.nsze * 115 (long long)ns_get_sector_size(&nsdata) / 116 1024 / 1024); 117 } 118 119 close(fd); 120 } 121 122 if (found == 0) 123 printf("No NVMe controllers found.\n"); 124 125 exit(1); 126 } 127