1 /* $NetBSD: devlist.c,v 1.5 2018/04/18 10:11:44 nonaka Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 5 * 6 * Copyright (C) 2012-2013 Intel Corporation 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #include <sys/cdefs.h> 32 #ifndef lint 33 __RCSID("$NetBSD: devlist.c,v 1.5 2018/04/18 10:11:44 nonaka Exp $"); 34 #if 0 35 __FBSDID("$FreeBSD: head/sbin/nvmecontrol/devlist.c 329824 2018-02-22 13:32:31Z wma $"); 36 #endif 37 #endif 38 39 #include <sys/param.h> 40 41 #include <err.h> 42 #include <errno.h> 43 #include <fcntl.h> 44 #include <paths.h> 45 #include <stddef.h> 46 #include <stdio.h> 47 #include <stdlib.h> 48 #include <string.h> 49 #include <unistd.h> 50 51 #include "nvmectl.h" 52 53 __dead static void 54 devlist_usage(void) 55 { 56 fprintf(stderr, "usage:\n"); 57 fprintf(stderr, "\t%s " DEVLIST_USAGE, getprogname()); 58 exit(1); 59 } 60 61 static inline uint32_t 62 ns_get_sector_size(struct nvm_identify_namespace *nsdata) 63 { 64 65 return 1 << nsdata->lbaf[NVME_ID_NS_FLBAS(nsdata->flbas)].lbads; 66 } 67 68 void 69 devlist(int argc, char *argv[]) 70 { 71 struct nvm_identify_controller cdata; 72 struct nvm_identify_namespace nsdata; 73 char name[64]; 74 uint8_t mn[64]; 75 uint32_t i; 76 int ch, ctrlr, fd, found, ret; 77 78 while ((ch = getopt(argc, argv, "")) != -1) { 79 switch (ch) { 80 default: 81 devlist_usage(); 82 } 83 } 84 85 ctrlr = -1; 86 found = 0; 87 88 while (1) { 89 ctrlr++; 90 sprintf(name, "%s%d", NVME_CTRLR_PREFIX, ctrlr); 91 92 ret = open_dev(name, &fd, 0, 0); 93 94 if (ret != 0) { 95 if (ret == EACCES) { 96 warnx("could not open "_PATH_DEV"%s\n", name); 97 continue; 98 } else 99 break; 100 } 101 102 found++; 103 read_controller_data(fd, &cdata); 104 nvme_strvis(mn, sizeof(mn), cdata.mn, sizeof(cdata.mn)); 105 printf("%6s: %s\n", name, mn); 106 107 for (i = 0; i < cdata.nn; i++) { 108 sprintf(name, "%s%d%s%d", NVME_CTRLR_PREFIX, ctrlr, 109 NVME_NS_PREFIX, i+1); 110 read_namespace_data(fd, i+1, &nsdata); 111 printf(" %10s (%lldMB)\n", 112 name, 113 nsdata.nsze * 114 (long long)ns_get_sector_size(&nsdata) / 115 1024 / 1024); 116 } 117 118 close(fd); 119 } 120 121 if (found == 0) 122 printf("No NVMe controllers found.\n"); 123 124 exit(1); 125 } 126