1 /* $NetBSD: devlist.c,v 1.2 2016/06/04 20:59:49 joerg Exp $ */ 2 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 #ifndef lint 31 __RCSID("$NetBSD: devlist.c,v 1.2 2016/06/04 20:59:49 joerg Exp $"); 32 #if 0 33 __FBSDID("$FreeBSD: head/sbin/nvmecontrol/devlist.c 260381 2014-01-06 23:48:47Z jimharris $"); 34 #endif 35 #endif 36 37 #include <sys/param.h> 38 39 #include <err.h> 40 #include <errno.h> 41 #include <fcntl.h> 42 #include <paths.h> 43 #include <stddef.h> 44 #include <stdio.h> 45 #include <stdlib.h> 46 #include <string.h> 47 #include <unistd.h> 48 49 #include "nvmectl.h" 50 51 __dead static void 52 devlist_usage(void) 53 { 54 fprintf(stderr, "usage:\n"); 55 fprintf(stderr, DEVLIST_USAGE); 56 exit(1); 57 } 58 59 static inline uint32_t 60 ns_get_sector_size(struct nvm_identify_namespace *nsdata) 61 { 62 63 return 1 << nsdata->lbaf[NVME_ID_NS_FLBAS(nsdata->flbas)].lbads; 64 } 65 66 void 67 devlist(int argc, char *argv[]) 68 { 69 struct nvm_identify_controller cdata; 70 struct nvm_identify_namespace nsdata; 71 char name[64]; 72 uint8_t mn[64]; 73 uint32_t i; 74 int ch, ctrlr, fd, found, ret; 75 76 while ((ch = getopt(argc, argv, "")) != -1) { 77 switch (ch) { 78 default: 79 devlist_usage(); 80 } 81 } 82 83 ctrlr = -1; 84 found = 0; 85 86 while (1) { 87 ctrlr++; 88 sprintf(name, "%s%d", NVME_CTRLR_PREFIX, ctrlr); 89 90 ret = open_dev(name, &fd, 0, 0); 91 92 if (ret != 0) { 93 if (ret == EACCES) { 94 warnx("could not open "_PATH_DEV"%s\n", name); 95 continue; 96 } else 97 break; 98 } 99 100 found++; 101 read_controller_data(fd, &cdata); 102 nvme_strvis(mn, sizeof(mn), cdata.mn, sizeof(cdata.mn)); 103 printf("%6s: %s\n", name, mn); 104 105 for (i = 0; i < cdata.nn; i++) { 106 sprintf(name, "%s%d%s%d", NVME_CTRLR_PREFIX, ctrlr, 107 NVME_NS_PREFIX, i+1); 108 read_namespace_data(fd, i+1, &nsdata); 109 printf(" %10s (%lldMB)\n", 110 name, 111 nsdata.nsze * 112 (long long)ns_get_sector_size(&nsdata) / 113 1024 / 1024); 114 } 115 116 close(fd); 117 } 118 119 if (found == 0) 120 printf("No NVMe controllers found.\n"); 121 122 exit(1); 123 } 124