1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2013 Sandvine Inc. 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 * $FreeBSD$ 29 */ 30 31 #include <sys/param.h> 32 #include <sys/errno.h> 33 #include <sys/stat.h> 34 #include <err.h> 35 #include <fcntl.h> 36 #include <stdio.h> 37 #include <stdlib.h> 38 #include <string.h> 39 #include <time.h> 40 #include <unistd.h> 41 #include "mfiutil.h" 42 43 /* The autolearn period is given in seconds. */ 44 void 45 mfi_autolearn_period(uint32_t period, char *buf, size_t sz) 46 { 47 unsigned int d, h; 48 char *tmp; 49 50 d = period / (24 * 3600); 51 h = (period % (24 * 3600)) / 3600; 52 53 tmp = buf; 54 if (d != 0) { 55 tmp += snprintf(buf, sz, "%u day%s", d, d == 1 ? "" : "s"); 56 sz -= tmp - buf; 57 if (h != 0) { 58 tmp += snprintf(tmp, sz, ", "); 59 sz -= 2; 60 } 61 } 62 if (h != 0) 63 snprintf(tmp, sz, "%u hour%s", h, h == 1 ? "" : "s"); 64 65 if (d == 0 && h == 0) 66 snprintf(tmp, sz, "less than 1 hour"); 67 } 68 69 /* The time to the next relearn is given in seconds since 1/1/2000. */ 70 void 71 mfi_next_learn_time(uint32_t next_learn_time, char *buf, size_t sz) 72 { 73 time_t basetime; 74 struct tm tm; 75 size_t len; 76 77 memset(&tm, 0, sizeof(tm)); 78 tm.tm_year = 100; 79 basetime = timegm(&tm); 80 basetime += (time_t)next_learn_time; 81 len = snprintf(buf, sz, "%s", ctime(&basetime)); 82 if (len > 0) 83 /* Get rid of the newline added by ctime(3). */ 84 buf[len - 1] = '\0'; 85 } 86 87 void 88 mfi_autolearn_mode(uint8_t mode, char *buf, size_t sz) 89 { 90 91 switch (mode) { 92 case 0: 93 snprintf(buf, sz, "enabled"); 94 break; 95 case 1: 96 snprintf(buf, sz, "disabled"); 97 break; 98 case 2: 99 snprintf(buf, sz, "warn via event"); 100 break; 101 default: 102 snprintf(buf, sz, "mode 0x%02x", mode); 103 break; 104 } 105 } 106 107 int 108 mfi_bbu_get_props(int fd, struct mfi_bbu_properties *props, uint8_t *statusp) 109 { 110 111 return (mfi_dcmd_command(fd, MFI_DCMD_BBU_GET_PROP, props, 112 sizeof(*props), NULL, 0, statusp)); 113 } 114 115 int 116 mfi_bbu_set_props(int fd, struct mfi_bbu_properties *props, uint8_t *statusp) 117 { 118 119 return (mfi_dcmd_command(fd, MFI_DCMD_BBU_SET_PROP, props, 120 sizeof(*props), NULL, 0, statusp)); 121 } 122 123 static int 124 start_bbu_learn(int ac, char **av __unused) 125 { 126 uint8_t status; 127 int error, fd; 128 129 status = MFI_STAT_OK; 130 error = 0; 131 132 if (ac != 1) { 133 warnx("start learn: unexpected arguments"); 134 return (EINVAL); 135 } 136 137 fd = mfi_open(mfi_unit, O_RDWR); 138 if (fd < 0) { 139 error = errno; 140 warn("mfi_open"); 141 return (error); 142 } 143 144 if (mfi_dcmd_command(fd, MFI_DCMD_BBU_START_LEARN, NULL, 0, NULL, 0, 145 &status) < 0) { 146 error = errno; 147 warn("Failed to start BBU learn"); 148 } else if (status != MFI_STAT_OK) { 149 warnx("Failed to start BBU learn: %s", mfi_status(status)); 150 error = EIO; 151 } 152 153 return (error); 154 } 155 MFI_COMMAND(start, learn, start_bbu_learn); 156 157 static int 158 update_bbu_props(int ac, char **av) 159 { 160 struct mfi_bbu_properties props; 161 unsigned long delay; 162 uint8_t status; 163 int error, fd; 164 char *mode, *endptr; 165 166 status = MFI_STAT_OK; 167 error = 0; 168 169 if (ac != 3) { 170 warnx("bbu: property and value required"); 171 return (EINVAL); 172 } 173 174 fd = mfi_open(mfi_unit, O_RDWR); 175 if (fd < 0) { 176 error = errno; 177 warn("mfi_open"); 178 return (error); 179 } 180 181 if (mfi_bbu_get_props(fd, &props, &status) < 0) { 182 error = errno; 183 warn("Failed to get BBU properties"); 184 goto done; 185 } else if (status != MFI_STAT_OK) { 186 warnx("Failed to get BBU properties: %s", mfi_status(status)); 187 error = EIO; 188 goto done; 189 } 190 191 if (strcmp(av[1], "learn-delay") == 0) { 192 delay = strtoul(av[2], &endptr, 10); 193 if (strlen(av[2]) == 0 || *endptr != '\0' || delay > 255) { 194 warnx("Invalid learn delay '%s'", av[2]); 195 error = EINVAL; 196 goto done; 197 } 198 199 props.learn_delay_interval = delay; 200 } else if (strcmp(av[1], "autolearn-mode") == 0) { 201 mode = av[2]; 202 203 if (strcmp(av[2], "enable") == 0) 204 props.auto_learn_mode = 0; 205 else if (strcmp(av[2], "disable") == 0) 206 props.auto_learn_mode = 1; 207 else if (mode[0] >= '0' && mode[0] <= '2' && mode[1] == '\0') 208 props.auto_learn_mode = mode[0] - '0'; 209 else { 210 warnx("Invalid mode '%s'", mode); 211 error = EINVAL; 212 goto done; 213 } 214 } else if (strcmp(av[1], "bbu-mode") == 0) { 215 if (props.bbu_mode == 0) { 216 warnx("This BBU does not implement different modes"); 217 error = EINVAL; 218 goto done; 219 } 220 221 /* The mode must be an integer between 1 and 5. */ 222 mode = av[2]; 223 if (mode[0] < '1' || mode[0] > '5' || mode[1] != '\0') { 224 warnx("Invalid mode '%s'", mode); 225 error = EINVAL; 226 goto done; 227 } 228 229 props.bbu_mode = mode[0] - '0'; 230 } else { 231 warnx("bbu: Invalid command '%s'", av[1]); 232 error = EINVAL; 233 goto done; 234 } 235 236 if (mfi_bbu_set_props(fd, &props, &status) < 0) { 237 error = errno; 238 warn("Failed to set BBU properties"); 239 goto done; 240 } else if (status != MFI_STAT_OK) { 241 warnx("Failed to set BBU properties: %s", mfi_status(status)); 242 error = EIO; 243 goto done; 244 } 245 246 done: 247 close(fd); 248 249 return (error); 250 } 251 MFI_COMMAND(top, bbu, update_bbu_props); 252