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