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 #define DEVLIST_USAGE \ 47 "devlist\n" 48 49 #define NVME_MAX_UNIT 256 50 51 static inline uint32_t 52 ns_get_sector_size(struct nvme_namespace_data *nsdata) 53 { 54 uint8_t flbas_fmt, lbads; 55 56 flbas_fmt = (nsdata->flbas >> NVME_NS_DATA_FLBAS_FORMAT_SHIFT) & 57 NVME_NS_DATA_FLBAS_FORMAT_MASK; 58 lbads = (nsdata->lbaf[flbas_fmt] >> NVME_NS_DATA_LBAF_LBADS_SHIFT) & 59 NVME_NS_DATA_LBAF_LBADS_MASK; 60 61 return (1 << lbads); 62 } 63 64 static void 65 devlist(const struct nvme_function *nf, int argc, char *argv[]) 66 { 67 struct nvme_controller_data cdata; 68 struct nvme_namespace_data nsdata; 69 char name[64]; 70 uint8_t mn[64]; 71 uint32_t i; 72 int ch, ctrlr, fd, found, ret; 73 74 while ((ch = getopt(argc, argv, "")) != -1) { 75 switch ((char)ch) { 76 default: 77 usage(nf); 78 } 79 } 80 81 ctrlr = -1; 82 found = 0; 83 84 while (ctrlr < NVME_MAX_UNIT) { 85 ctrlr++; 86 sprintf(name, "%s%d", NVME_CTRLR_PREFIX, ctrlr); 87 88 ret = open_dev(name, &fd, 0, 0); 89 90 if (ret == EACCES) { 91 warnx("could not open "_PATH_DEV"%s\n", name); 92 continue; 93 } else if (ret != 0) 94 continue; 95 96 found++; 97 read_controller_data(fd, &cdata); 98 nvme_strvis(mn, cdata.mn, sizeof(mn), NVME_MODEL_NUMBER_LENGTH); 99 printf("%6s: %s\n", name, mn); 100 101 for (i = 0; i < cdata.nn; i++) { 102 sprintf(name, "%s%d%s%d", NVME_CTRLR_PREFIX, ctrlr, 103 NVME_NS_PREFIX, i+1); 104 read_namespace_data(fd, i+1, &nsdata); 105 if (nsdata.nsze == 0) 106 continue; 107 printf(" %10s (%lldMB)\n", 108 name, 109 nsdata.nsze * 110 (long long)ns_get_sector_size(&nsdata) / 111 1024 / 1024); 112 } 113 114 close(fd); 115 } 116 117 if (found == 0) 118 printf("No NVMe controllers found.\n"); 119 120 exit(1); 121 } 122 123 NVME_COMMAND(top, devlist, devlist, DEVLIST_USAGE); 124