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 58 return (1 << nsdata->lbaf[nsdata->flbas.format].lbads); 59 } 60 61 void 62 devlist(int argc, char *argv[]) 63 { 64 struct nvme_controller_data cdata; 65 struct nvme_namespace_data nsdata; 66 char name[64]; 67 uint8_t mn[64]; 68 uint32_t i; 69 int ch, ctrlr, fd, found, ret; 70 71 while ((ch = getopt(argc, argv, "")) != -1) { 72 switch ((char)ch) { 73 default: 74 devlist_usage(); 75 } 76 } 77 78 ctrlr = -1; 79 found = 0; 80 81 while (1) { 82 ctrlr++; 83 sprintf(name, "%s%d", NVME_CTRLR_PREFIX, ctrlr); 84 85 ret = open_dev(name, &fd, 0, 0); 86 87 if (ret != 0) { 88 if (ret == EACCES) { 89 warnx("could not open "_PATH_DEV"%s\n", name); 90 continue; 91 } else 92 break; 93 } 94 95 found++; 96 read_controller_data(fd, &cdata); 97 nvme_strvis(mn, cdata.mn, sizeof(mn), NVME_MODEL_NUMBER_LENGTH); 98 printf("%6s: %s\n", name, mn); 99 100 for (i = 0; i < cdata.nn; i++) { 101 sprintf(name, "%s%d%s%d", NVME_CTRLR_PREFIX, ctrlr, 102 NVME_NS_PREFIX, i+1); 103 read_namespace_data(fd, i+1, &nsdata); 104 printf(" %10s (%lldMB)\n", 105 name, 106 nsdata.nsze * 107 (long long)ns_get_sector_size(&nsdata) / 108 1024 / 1024); 109 } 110 111 close(fd); 112 } 113 114 if (found == 0) 115 printf("No NVMe controllers found.\n"); 116 117 exit(1); 118 } 119