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 <errno.h> 33 #include <fcntl.h> 34 #include <stddef.h> 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <string.h> 38 #include <sysexits.h> 39 #include <unistd.h> 40 41 #include "nvmecontrol.h" 42 43 static void 44 devlist_usage(void) 45 { 46 fprintf(stderr, "usage:\n"); 47 fprintf(stderr, DEVLIST_USAGE); 48 exit(EX_USAGE); 49 } 50 51 static inline uint32_t 52 ns_get_sector_size(struct nvme_namespace_data *nsdata) 53 { 54 55 return (1 << nsdata->lbaf[0].lbads); 56 } 57 58 void 59 devlist(int argc, char *argv[]) 60 { 61 struct nvme_controller_data cdata; 62 struct nvme_namespace_data nsdata; 63 char name[64]; 64 uint32_t i; 65 int ch, ctrlr, exit_code, fd, found; 66 67 exit_code = EX_OK; 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 exit_code = open_dev(name, &fd, 0, 0); 84 85 if (exit_code == EX_NOINPUT) 86 break; 87 else if (exit_code == EX_NOPERM) { 88 printf("Could not open /dev/%s, errno = %d (%s)\n", 89 name, errno, strerror(errno)); 90 continue; 91 } 92 93 found++; 94 read_controller_data(fd, &cdata); 95 printf("%6s: %s\n", name, cdata.mn); 96 97 for (i = 0; i < cdata.nn; i++) { 98 sprintf(name, "%s%d%s%d", NVME_CTRLR_PREFIX, ctrlr, 99 NVME_NS_PREFIX, i+1); 100 read_namespace_data(fd, i+1, &nsdata); 101 printf(" %10s (%lldGB)\n", 102 name, 103 nsdata.nsze * 104 (long long)ns_get_sector_size(&nsdata) / 105 1024 / 1024 / 1024); 106 } 107 108 close(fd); 109 } 110 111 if (found == 0) 112 printf("No NVMe controllers found.\n"); 113 114 exit(EX_OK); 115 } 116