libdm_ioctl.c revision 1.1.2.2
1 1.1.2.2 bouyer /* 2 1.1.2.2 bouyer * Copyright (c) 2010 The NetBSD Foundation, Inc. 3 1.1.2.2 bouyer * All rights reserved. 4 1.1.2.2 bouyer * 5 1.1.2.2 bouyer * This code is derived from software contributed to The NetBSD Foundation 6 1.1.2.2 bouyer * by Adam Hamsik. 7 1.1.2.2 bouyer * 8 1.1.2.2 bouyer * Redistribution and use in source and binary forms, with or without 9 1.1.2.2 bouyer * modification, are permitted provided that the following conditions 10 1.1.2.2 bouyer * are met: 11 1.1.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 12 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer. 13 1.1.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 14 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 15 1.1.2.2 bouyer * documentation and/or other materials provided with the distribution. 16 1.1.2.2 bouyer * 17 1.1.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 18 1.1.2.2 bouyer * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 1.1.2.2 bouyer * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 1.1.2.2 bouyer * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 21 1.1.2.2 bouyer * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 1.1.2.2 bouyer * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 1.1.2.2 bouyer * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 1.1.2.2 bouyer * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 1.1.2.2 bouyer * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 1.1.2.2 bouyer * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 1.1.2.2 bouyer * POSSIBILITY OF SUCH DAMAGE. 28 1.1.2.2 bouyer */ 29 1.1.2.2 bouyer 30 1.1.2.2 bouyer #include <sys/types.h> 31 1.1.2.2 bouyer #include <sys/param.h> 32 1.1.2.2 bouyer #include <sys/ioctl.h> 33 1.1.2.2 bouyer 34 1.1.2.2 bouyer #include <errno.h> 35 1.1.2.2 bouyer #include <fcntl.h> 36 1.1.2.2 bouyer #include <stdio.h> 37 1.1.2.2 bouyer #include <stdlib.h> 38 1.1.2.2 bouyer #include <string.h> 39 1.1.2.2 bouyer #include <unistd.h> 40 1.1.2.2 bouyer 41 1.1.2.2 bouyer #include <prop/proplib.h> 42 1.1.2.2 bouyer 43 1.1.2.2 bouyer #include <dev/dm/netbsd-dm.h> 44 1.1.2.2 bouyer 45 1.1.2.2 bouyer #include "dm.h" 46 1.1.2.2 bouyer 47 1.1.2.2 bouyer /* 48 1.1.2.2 bouyer * Libdm library works like interface between device-mapper driver and 49 1.1.2.2 bouyer * NetBSD userspace. For start it uses same set of commands like linux 50 1.1.2.2 bouyer * libdevmapper, but in later stage if we introduce NetBSD device-mapper 51 1.1.2.2 bouyer * extensions we don't need to change libdevmapper. 52 1.1.2.2 bouyer * 53 1.1.2.2 bouyer * LIBDM basically creates one proplib dictionary with everything what is 54 1.1.2.2 bouyer * needed to work with device-mapper devices. 55 1.1.2.2 bouyer * 56 1.1.2.2 bouyer * Basic element of libdm is libdm_task which contains version and command 57 1.1.2.2 bouyer * string with another dictionary cmd. 58 1.1.2.2 bouyer */ 59 1.1.2.2 bouyer 60 1.1.2.2 bouyer struct libdm_cmd { 61 1.1.2.2 bouyer prop_array_t ldm_cmd; 62 1.1.2.2 bouyer }; 63 1.1.2.2 bouyer 64 1.1.2.2 bouyer struct libdm_iter { 65 1.1.2.2 bouyer prop_object_iterator_t ldm_obji; 66 1.1.2.2 bouyer }; 67 1.1.2.2 bouyer 68 1.1.2.2 bouyer struct libdm_task { 69 1.1.2.2 bouyer prop_dictionary_t ldm_task; 70 1.1.2.2 bouyer }; 71 1.1.2.2 bouyer 72 1.1.2.2 bouyer struct libdm_table { 73 1.1.2.2 bouyer prop_dictionary_t ldm_tbl; 74 1.1.2.2 bouyer }; 75 1.1.2.2 bouyer 76 1.1.2.2 bouyer struct libdm_target { 77 1.1.2.2 bouyer prop_dictionary_t ldm_trgt; 78 1.1.2.2 bouyer }; 79 1.1.2.2 bouyer 80 1.1.2.2 bouyer struct libdm_dev { 81 1.1.2.2 bouyer prop_dictionary_t ldm_dev; 82 1.1.2.2 bouyer }; 83 1.1.2.2 bouyer 84 1.1.2.2 bouyer struct cmd_version cmd_ver[] = { 85 1.1.2.2 bouyer {"version", {4, 0, 0}}, 86 1.1.2.2 bouyer {"targets", {4, 0, 0}}, 87 1.1.2.2 bouyer {"create", {4, 0, 0}}, 88 1.1.2.2 bouyer {"info", {4, 0, 0}}, 89 1.1.2.2 bouyer {"mknodes",{4, 0, 0}}, 90 1.1.2.2 bouyer {"names", {4, 0, 0}}, 91 1.1.2.2 bouyer {"suspend",{4, 0, 0}}, 92 1.1.2.2 bouyer {"remove", {4, 0, 0}}, 93 1.1.2.2 bouyer {"rename", {4, 0, 0}}, 94 1.1.2.2 bouyer {"resume", {4, 0, 0}}, 95 1.1.2.2 bouyer {"clear", {4, 0, 0}}, 96 1.1.2.2 bouyer {"deps", {4, 0, 0}}, 97 1.1.2.2 bouyer {"reload", {4, 0, 0}}, 98 1.1.2.2 bouyer {"status", {4, 0, 0}}, 99 1.1.2.2 bouyer {"table", {4, 0, 0}}, 100 1.1.2.2 bouyer /* NetBSD device-mapper command extension goes here */ 101 1.1.2.2 bouyer {NULL, {0, 0, 0}} 102 1.1.2.2 bouyer }; 103 1.1.2.2 bouyer 104 1.1.2.2 bouyer /* /dev/mapper/control managing routines */ 105 1.1.2.2 bouyer static int libdm_control_open(const char *); 106 1.1.2.2 bouyer static int libdm_control_close(int); 107 1.1.2.2 bouyer 108 1.1.2.2 bouyer static int 109 1.1.2.2 bouyer libdm_control_open(const char *path) 110 1.1.2.2 bouyer { 111 1.1.2.2 bouyer int fd; 112 1.1.2.2 bouyer #ifdef RUMP_ACTION 113 1.1.2.2 bouyer if ((fd = rump_sys_open(path, O_RDWR)) < 0) 114 1.1.2.2 bouyer return -1; 115 1.1.2.2 bouyer #else 116 1.1.2.2 bouyer if ((fd = open(path, O_RDWR)) < 0) 117 1.1.2.2 bouyer return -1; 118 1.1.2.2 bouyer #endif 119 1.1.2.2 bouyer return fd; 120 1.1.2.2 bouyer } 121 1.1.2.2 bouyer 122 1.1.2.2 bouyer static int 123 1.1.2.2 bouyer libdm_control_close(int fd) 124 1.1.2.2 bouyer { 125 1.1.2.2 bouyer 126 1.1.2.2 bouyer #ifdef RUMP_ACTION 127 1.1.2.2 bouyer return rump_sys_close(fd); 128 1.1.2.2 bouyer #else 129 1.1.2.2 bouyer return close(fd); 130 1.1.2.2 bouyer #endif 131 1.1.2.2 bouyer } 132 1.1.2.2 bouyer 133 1.1.2.2 bouyer /* Destroy iterator for arrays such as version strings, cmd_data. */ 134 1.1.2.2 bouyer void 135 1.1.2.2 bouyer libdm_iter_destroy(libdm_iter_t libdm_iter) 136 1.1.2.2 bouyer { 137 1.1.2.2 bouyer 138 1.1.2.2 bouyer prop_object_iterator_release(libdm_iter->ldm_obji); 139 1.1.2.2 bouyer free(libdm_iter); 140 1.1.2.2 bouyer } 141 1.1.2.2 bouyer 142 1.1.2.2 bouyer /* 143 1.1.2.2 bouyer * Issue ioctl call to kernel, releasing both dictionaries is 144 1.1.2.2 bouyer * left on callers. 145 1.1.2.2 bouyer */ 146 1.1.2.2 bouyer int 147 1.1.2.2 bouyer libdm_task_run(libdm_task_t libdm_task) 148 1.1.2.2 bouyer { 149 1.1.2.2 bouyer prop_dictionary_t dict; 150 1.1.2.2 bouyer int libdm_control_fd = -1; 151 1.1.2.2 bouyer int error; 152 1.1.2.2 bouyer #ifdef RUMP_ACTION 153 1.1.2.2 bouyer struct plistref prefp; 154 1.1.2.2 bouyer #endif 155 1.1.2.2 bouyer error = 0; 156 1.1.2.2 bouyer 157 1.1.2.2 bouyer if (libdm_task == NULL) 158 1.1.2.2 bouyer return ENOENT; 159 1.1.2.2 bouyer 160 1.1.2.2 bouyer if ((libdm_control_fd = libdm_control_open(DM_DEVICE_PATH)) < 0) 161 1.1.2.2 bouyer return errno; 162 1.1.2.2 bouyer #ifdef RUMP_ACTION 163 1.1.2.2 bouyer prop_dictionary_externalize_to_pref(libdm_task->ldm_task, 164 1.1.2.2 bouyer &prefp); 165 1.1.2.2 bouyer 166 1.1.2.2 bouyer error = rump_sys_ioctl(libdm_control_fd, NETBSD_DM_IOCTL, &prefp); 167 1.1.2.2 bouyer if (error < 0) { 168 1.1.2.2 bouyer libdm_task_destroy(libdm_task); 169 1.1.2.2 bouyer libdm_task = NULL; 170 1.1.2.2 bouyer libdm_control_close(libdm_control_fd); 171 1.1.2.2 bouyer 172 1.1.2.2 bouyer return error; 173 1.1.2.2 bouyer } 174 1.1.2.2 bouyer dict = prop_dictionary_internalize(prefp.pref_plist); 175 1.1.2.2 bouyer #else 176 1.1.2.2 bouyer prop_dictionary_externalize_to_file(libdm_task->ldm_task, "/tmp/libdm_in"); 177 1.1.2.2 bouyer error = prop_dictionary_sendrecv_ioctl(libdm_task->ldm_task, 178 1.1.2.2 bouyer libdm_control_fd, NETBSD_DM_IOCTL, &dict); 179 1.1.2.2 bouyer if ( error != 0) { 180 1.1.2.2 bouyer libdm_task_destroy(libdm_task); 181 1.1.2.2 bouyer libdm_task = NULL; 182 1.1.2.2 bouyer libdm_control_close(libdm_control_fd); 183 1.1.2.2 bouyer return error; 184 1.1.2.2 bouyer } 185 1.1.2.2 bouyer prop_dictionary_externalize_to_file(dict, "/tmp/libdm_out"); 186 1.1.2.2 bouyer #endif 187 1.1.2.2 bouyer 188 1.1.2.2 bouyer libdm_control_close(libdm_control_fd); 189 1.1.2.2 bouyer prop_object_retain(dict); 190 1.1.2.2 bouyer prop_object_release(libdm_task->ldm_task); 191 1.1.2.2 bouyer libdm_task->ldm_task = dict; 192 1.1.2.2 bouyer 193 1.1.2.2 bouyer return EXIT_SUCCESS; 194 1.1.2.2 bouyer } 195 1.1.2.2 bouyer 196 1.1.2.2 bouyer 197 1.1.2.2 bouyer /* Create libdm General task structure */ 198 1.1.2.2 bouyer libdm_task_t 199 1.1.2.2 bouyer libdm_task_create(const char *command) 200 1.1.2.2 bouyer { 201 1.1.2.2 bouyer libdm_task_t task; 202 1.1.2.2 bouyer size_t i,len,slen; 203 1.1.2.2 bouyer prop_array_t ver; 204 1.1.2.2 bouyer 205 1.1.2.2 bouyer task = NULL; 206 1.1.2.2 bouyer 207 1.1.2.2 bouyer task = malloc(sizeof(*task)); 208 1.1.2.2 bouyer if (task == NULL) 209 1.1.2.2 bouyer return NULL; 210 1.1.2.2 bouyer 211 1.1.2.2 bouyer if ((task->ldm_task = prop_dictionary_create()) == NULL) { 212 1.1.2.2 bouyer free(task); 213 1.1.2.2 bouyer return NULL; 214 1.1.2.2 bouyer } 215 1.1.2.2 bouyer 216 1.1.2.2 bouyer if ((prop_dictionary_set_cstring(task->ldm_task, DM_IOCTL_COMMAND, 217 1.1.2.2 bouyer command)) == false) { 218 1.1.2.2 bouyer prop_object_release(task->ldm_task); 219 1.1.2.2 bouyer free(task); 220 1.1.2.2 bouyer return NULL; 221 1.1.2.2 bouyer } 222 1.1.2.2 bouyer 223 1.1.2.2 bouyer len = strlen(command); 224 1.1.2.2 bouyer 225 1.1.2.2 bouyer for (i = 0; cmd_ver[i].cmd != NULL; i++) { 226 1.1.2.2 bouyer slen = strlen(cmd_ver[i].cmd); 227 1.1.2.2 bouyer 228 1.1.2.2 bouyer if (len != slen) 229 1.1.2.2 bouyer continue; 230 1.1.2.2 bouyer 231 1.1.2.2 bouyer if ((strncmp(command, cmd_ver[i].cmd, slen)) == 0) { 232 1.1.2.2 bouyer ver = prop_array_create(); 233 1.1.2.2 bouyer prop_array_add_uint32(ver, cmd_ver[i].version[0]); 234 1.1.2.2 bouyer prop_array_add_uint32(ver, cmd_ver[i].version[1]); 235 1.1.2.2 bouyer prop_array_add_uint32(ver, cmd_ver[i].version[2]); 236 1.1.2.2 bouyer 237 1.1.2.2 bouyer prop_dictionary_set(task->ldm_task, DM_IOCTL_VERSION, 238 1.1.2.2 bouyer ver); 239 1.1.2.2 bouyer 240 1.1.2.2 bouyer prop_object_release(ver); 241 1.1.2.2 bouyer break; 242 1.1.2.2 bouyer } 243 1.1.2.2 bouyer } 244 1.1.2.2 bouyer 245 1.1.2.2 bouyer return task; 246 1.1.2.2 bouyer } 247 1.1.2.2 bouyer 248 1.1.2.2 bouyer void 249 1.1.2.2 bouyer libdm_task_destroy(libdm_task_t libdm_task) 250 1.1.2.2 bouyer { 251 1.1.2.2 bouyer 252 1.1.2.2 bouyer if (libdm_task != NULL) 253 1.1.2.2 bouyer prop_object_release(libdm_task->ldm_task); 254 1.1.2.2 bouyer free(libdm_task); 255 1.1.2.2 bouyer } 256 1.1.2.2 bouyer 257 1.1.2.2 bouyer /* Set device name */ 258 1.1.2.2 bouyer int 259 1.1.2.2 bouyer libdm_task_set_name(const char *name, libdm_task_t libdm_task) 260 1.1.2.2 bouyer { 261 1.1.2.2 bouyer 262 1.1.2.2 bouyer if ((prop_dictionary_set_cstring(libdm_task->ldm_task, 263 1.1.2.2 bouyer DM_IOCTL_NAME, name)) == false) 264 1.1.2.2 bouyer return ENOENT; 265 1.1.2.2 bouyer 266 1.1.2.2 bouyer return 0; 267 1.1.2.2 bouyer } 268 1.1.2.2 bouyer 269 1.1.2.2 bouyer /* Set device name */ 270 1.1.2.2 bouyer char * 271 1.1.2.2 bouyer libdm_task_get_name(libdm_task_t libdm_task) 272 1.1.2.2 bouyer { 273 1.1.2.2 bouyer char *name; 274 1.1.2.2 bouyer 275 1.1.2.2 bouyer if (!prop_dictionary_get_cstring_nocopy(libdm_task->ldm_task, 276 1.1.2.2 bouyer DM_IOCTL_NAME, (const char **)&name)) 277 1.1.2.2 bouyer return NULL; 278 1.1.2.2 bouyer 279 1.1.2.2 bouyer return name; 280 1.1.2.2 bouyer } 281 1.1.2.2 bouyer 282 1.1.2.2 bouyer /* Set device uuid */ 283 1.1.2.2 bouyer int 284 1.1.2.2 bouyer libdm_task_set_uuid(const char *uuid, libdm_task_t libdm_task) 285 1.1.2.2 bouyer { 286 1.1.2.2 bouyer 287 1.1.2.2 bouyer if ((prop_dictionary_set_cstring(libdm_task->ldm_task, 288 1.1.2.2 bouyer DM_IOCTL_NAME, uuid)) == false) 289 1.1.2.2 bouyer return ENOENT; 290 1.1.2.2 bouyer 291 1.1.2.2 bouyer return 0; 292 1.1.2.2 bouyer } 293 1.1.2.2 bouyer 294 1.1.2.2 bouyer /* Set device name */ 295 1.1.2.2 bouyer char * 296 1.1.2.2 bouyer libdm_task_get_uuid(libdm_task_t libdm_task) 297 1.1.2.2 bouyer { 298 1.1.2.2 bouyer char *uuid; 299 1.1.2.2 bouyer 300 1.1.2.2 bouyer if (!prop_dictionary_get_cstring_nocopy(libdm_task->ldm_task, 301 1.1.2.2 bouyer DM_IOCTL_UUID, (const char **)&uuid)) 302 1.1.2.2 bouyer return NULL; 303 1.1.2.2 bouyer 304 1.1.2.2 bouyer return uuid; 305 1.1.2.2 bouyer } 306 1.1.2.2 bouyer 307 1.1.2.2 bouyer /* Get command name */ 308 1.1.2.2 bouyer char * 309 1.1.2.2 bouyer libdm_task_get_command(libdm_task_t libdm_task) 310 1.1.2.2 bouyer { 311 1.1.2.2 bouyer char *command; 312 1.1.2.2 bouyer 313 1.1.2.2 bouyer if (!prop_dictionary_get_cstring_nocopy(libdm_task->ldm_task, 314 1.1.2.2 bouyer DM_IOCTL_COMMAND, (const char **)&command)) 315 1.1.2.2 bouyer return NULL; 316 1.1.2.2 bouyer 317 1.1.2.2 bouyer return command; 318 1.1.2.2 bouyer } 319 1.1.2.2 bouyer 320 1.1.2.2 bouyer int32_t 321 1.1.2.2 bouyer libdm_task_get_cmd_version(libdm_task_t libdm_task, uint32_t *ver, size_t size) 322 1.1.2.2 bouyer { 323 1.1.2.2 bouyer prop_array_t prop_ver; 324 1.1.2.2 bouyer size_t i; 325 1.1.2.2 bouyer 326 1.1.2.2 bouyer prop_ver = prop_dictionary_get(libdm_task->ldm_task, 327 1.1.2.2 bouyer DM_IOCTL_VERSION); 328 1.1.2.2 bouyer 329 1.1.2.2 bouyer i = prop_array_count(prop_ver); 330 1.1.2.2 bouyer 331 1.1.2.2 bouyer if (i > size) 332 1.1.2.2 bouyer return -i; 333 1.1.2.2 bouyer 334 1.1.2.2 bouyer for (i = 0; i < size; i++) 335 1.1.2.2 bouyer prop_array_get_uint32(prop_ver, i, &ver[i]); 336 1.1.2.2 bouyer 337 1.1.2.2 bouyer return i; 338 1.1.2.2 bouyer } 339 1.1.2.2 bouyer 340 1.1.2.2 bouyer /* Select device minor number. */ 341 1.1.2.2 bouyer int 342 1.1.2.2 bouyer libdm_task_set_minor(uint32_t minor, libdm_task_t libdm_task) 343 1.1.2.2 bouyer { 344 1.1.2.2 bouyer 345 1.1.2.2 bouyer if ((prop_dictionary_set_uint32(libdm_task->ldm_task, 346 1.1.2.2 bouyer DM_IOCTL_MINOR, minor)) == false) 347 1.1.2.2 bouyer return ENOENT; 348 1.1.2.2 bouyer 349 1.1.2.2 bouyer return 0; 350 1.1.2.2 bouyer } 351 1.1.2.2 bouyer 352 1.1.2.2 bouyer /* Select device minor number. */ 353 1.1.2.2 bouyer uint32_t 354 1.1.2.2 bouyer libdm_task_get_minor(libdm_task_t libdm_task) 355 1.1.2.2 bouyer { 356 1.1.2.2 bouyer uint32_t minor; 357 1.1.2.2 bouyer 358 1.1.2.2 bouyer minor = 0; 359 1.1.2.2 bouyer 360 1.1.2.2 bouyer (void)prop_dictionary_get_uint32(libdm_task->ldm_task, 361 1.1.2.2 bouyer DM_IOCTL_MINOR, &minor); 362 1.1.2.2 bouyer 363 1.1.2.2 bouyer return minor; 364 1.1.2.2 bouyer } 365 1.1.2.2 bouyer 366 1.1.2.2 bouyer /* Set/Del DM_SUSPEND_FLAG for caller. */ 367 1.1.2.2 bouyer void 368 1.1.2.2 bouyer libdm_task_set_suspend_flag(libdm_task_t libdm_task) 369 1.1.2.2 bouyer { 370 1.1.2.2 bouyer uint32_t flags; 371 1.1.2.2 bouyer 372 1.1.2.2 bouyer flags = 0; 373 1.1.2.2 bouyer 374 1.1.2.2 bouyer (void)prop_dictionary_get_uint32(libdm_task->ldm_task, 375 1.1.2.2 bouyer DM_IOCTL_FLAGS, &flags); 376 1.1.2.2 bouyer 377 1.1.2.2 bouyer flags |= DM_SUSPEND_FLAG; 378 1.1.2.2 bouyer 379 1.1.2.2 bouyer (void)prop_dictionary_set_uint32(libdm_task->ldm_task, 380 1.1.2.2 bouyer DM_IOCTL_FLAGS, flags); 381 1.1.2.2 bouyer } 382 1.1.2.2 bouyer 383 1.1.2.2 bouyer void 384 1.1.2.2 bouyer libdm_task_del_suspend_flag(libdm_task_t libdm_task) 385 1.1.2.2 bouyer { 386 1.1.2.2 bouyer uint32_t flags; 387 1.1.2.2 bouyer 388 1.1.2.2 bouyer (void)prop_dictionary_get_uint32(libdm_task->ldm_task, 389 1.1.2.2 bouyer DM_IOCTL_FLAGS, &flags); 390 1.1.2.2 bouyer 391 1.1.2.2 bouyer flags &= ~DM_SUSPEND_FLAG; 392 1.1.2.2 bouyer 393 1.1.2.2 bouyer (void)prop_dictionary_set_uint32(libdm_task->ldm_task, 394 1.1.2.2 bouyer DM_IOCTL_FLAGS, flags); 395 1.1.2.2 bouyer } 396 1.1.2.2 bouyer 397 1.1.2.2 bouyer /* Set/Del DM_STATUS_FLAG for caller. */ 398 1.1.2.2 bouyer void 399 1.1.2.2 bouyer libdm_task_set_status_flag(libdm_task_t libdm_task) 400 1.1.2.2 bouyer { 401 1.1.2.2 bouyer uint32_t flags; 402 1.1.2.2 bouyer 403 1.1.2.2 bouyer flags = 0; 404 1.1.2.2 bouyer 405 1.1.2.2 bouyer (void)prop_dictionary_get_uint32(libdm_task->ldm_task, 406 1.1.2.2 bouyer DM_IOCTL_FLAGS, &flags); 407 1.1.2.2 bouyer 408 1.1.2.2 bouyer flags |= DM_STATUS_TABLE_FLAG; 409 1.1.2.2 bouyer 410 1.1.2.2 bouyer (void)prop_dictionary_set_uint32(libdm_task->ldm_task, 411 1.1.2.2 bouyer DM_IOCTL_FLAGS, flags); 412 1.1.2.2 bouyer } 413 1.1.2.2 bouyer 414 1.1.2.2 bouyer void 415 1.1.2.2 bouyer libdm_task_del_status_flag(libdm_task_t libdm_task) 416 1.1.2.2 bouyer { 417 1.1.2.2 bouyer uint32_t flags; 418 1.1.2.2 bouyer 419 1.1.2.2 bouyer (void)prop_dictionary_get_uint32(libdm_task->ldm_task, 420 1.1.2.2 bouyer DM_IOCTL_FLAGS, &flags); 421 1.1.2.2 bouyer 422 1.1.2.2 bouyer flags &= ~DM_STATUS_TABLE_FLAG; 423 1.1.2.2 bouyer 424 1.1.2.2 bouyer (void)prop_dictionary_set_uint32(libdm_task->ldm_task, 425 1.1.2.2 bouyer DM_IOCTL_FLAGS, flags); 426 1.1.2.2 bouyer } 427 1.1.2.2 bouyer 428 1.1.2.2 bouyer /* Set/Del DM_EXISTS_FLAG for caller. */ 429 1.1.2.2 bouyer void 430 1.1.2.2 bouyer libdm_task_set_exists_flag(libdm_task_t libdm_task) 431 1.1.2.2 bouyer { 432 1.1.2.2 bouyer uint32_t flags; 433 1.1.2.2 bouyer 434 1.1.2.2 bouyer flags = 0; 435 1.1.2.2 bouyer 436 1.1.2.2 bouyer (void)prop_dictionary_get_uint32(libdm_task->ldm_task, 437 1.1.2.2 bouyer DM_IOCTL_FLAGS, &flags); 438 1.1.2.2 bouyer 439 1.1.2.2 bouyer flags |= DM_EXISTS_FLAG; 440 1.1.2.2 bouyer 441 1.1.2.2 bouyer (void)prop_dictionary_set_uint32(libdm_task->ldm_task, 442 1.1.2.2 bouyer DM_IOCTL_FLAGS, flags); 443 1.1.2.2 bouyer } 444 1.1.2.2 bouyer 445 1.1.2.2 bouyer void 446 1.1.2.2 bouyer libdm_task_del_exists_flag(libdm_task_t libdm_task) 447 1.1.2.2 bouyer { 448 1.1.2.2 bouyer uint32_t flags; 449 1.1.2.2 bouyer 450 1.1.2.2 bouyer (void)prop_dictionary_get_uint32(libdm_task->ldm_task, 451 1.1.2.2 bouyer DM_IOCTL_FLAGS, &flags); 452 1.1.2.2 bouyer 453 1.1.2.2 bouyer flags &= ~DM_EXISTS_FLAG; 454 1.1.2.2 bouyer 455 1.1.2.2 bouyer (void)prop_dictionary_set_uint32(libdm_task->ldm_task, 456 1.1.2.2 bouyer DM_IOCTL_FLAGS, flags); 457 1.1.2.2 bouyer } 458 1.1.2.2 bouyer 459 1.1.2.2 bouyer /* Set flags used by LVM this is shortcut and should not be used 460 1.1.2.2 bouyer by anyone else. */ 461 1.1.2.2 bouyer void 462 1.1.2.2 bouyer libdm_task_set_flags(libdm_task_t libdm_task, uint32_t flags) 463 1.1.2.2 bouyer { 464 1.1.2.2 bouyer 465 1.1.2.2 bouyer (void)prop_dictionary_set_uint32(libdm_task->ldm_task, 466 1.1.2.2 bouyer DM_IOCTL_FLAGS, flags); 467 1.1.2.2 bouyer } 468 1.1.2.2 bouyer 469 1.1.2.2 bouyer /* Get ioctl protocol status flags. */ 470 1.1.2.2 bouyer uint32_t 471 1.1.2.2 bouyer libdm_task_get_flags(libdm_task_t libdm_task) 472 1.1.2.2 bouyer { 473 1.1.2.2 bouyer uint32_t flags; 474 1.1.2.2 bouyer 475 1.1.2.2 bouyer (void)prop_dictionary_get_uint32(libdm_task->ldm_task, 476 1.1.2.2 bouyer DM_IOCTL_FLAGS, &flags); 477 1.1.2.2 bouyer 478 1.1.2.2 bouyer return flags; 479 1.1.2.2 bouyer } 480 1.1.2.2 bouyer 481 1.1.2.2 bouyer /* Set ioctl protocol status flags. */ 482 1.1.2.2 bouyer uint32_t 483 1.1.2.2 bouyer libdm_task_get_target_num(libdm_task_t libdm_task) 484 1.1.2.2 bouyer { 485 1.1.2.2 bouyer uint32_t count; 486 1.1.2.2 bouyer 487 1.1.2.2 bouyer (void)prop_dictionary_get_uint32(libdm_task->ldm_task, 488 1.1.2.2 bouyer DM_IOCTL_TARGET_COUNT, &count); 489 1.1.2.2 bouyer 490 1.1.2.2 bouyer return count; 491 1.1.2.2 bouyer } 492 1.1.2.2 bouyer 493 1.1.2.2 bouyer int32_t 494 1.1.2.2 bouyer libdm_task_get_open_num(libdm_task_t libdm_task) 495 1.1.2.2 bouyer { 496 1.1.2.2 bouyer int32_t count; 497 1.1.2.2 bouyer 498 1.1.2.2 bouyer (void)prop_dictionary_get_int32(libdm_task->ldm_task, 499 1.1.2.2 bouyer DM_IOCTL_OPEN, &count); 500 1.1.2.2 bouyer 501 1.1.2.2 bouyer return count; 502 1.1.2.2 bouyer } 503 1.1.2.2 bouyer 504 1.1.2.2 bouyer uint32_t 505 1.1.2.2 bouyer libdm_task_get_event_num(libdm_task_t libdm_task) 506 1.1.2.2 bouyer { 507 1.1.2.2 bouyer uint32_t event; 508 1.1.2.2 bouyer 509 1.1.2.2 bouyer (void)prop_dictionary_get_uint32(libdm_task->ldm_task, 510 1.1.2.2 bouyer DM_IOCTL_EVENT, &event); 511 1.1.2.2 bouyer 512 1.1.2.2 bouyer return event; 513 1.1.2.2 bouyer } 514 1.1.2.2 bouyer 515 1.1.2.2 bouyer /* Set cmd_data dictionary entry to task struct. */ 516 1.1.2.2 bouyer int 517 1.1.2.2 bouyer libdm_task_set_cmd(libdm_cmd_t libdm_cmd, libdm_task_t libdm_task) 518 1.1.2.2 bouyer { 519 1.1.2.2 bouyer 520 1.1.2.2 bouyer if ((prop_dictionary_set(libdm_task->ldm_task, 521 1.1.2.2 bouyer DM_IOCTL_CMD_DATA, libdm_cmd->ldm_cmd)) == false) 522 1.1.2.2 bouyer return ENOENT; 523 1.1.2.2 bouyer 524 1.1.2.2 bouyer return 0; 525 1.1.2.2 bouyer } 526 1.1.2.2 bouyer 527 1.1.2.2 bouyer /* Get cmd_data dictionary entry from task struct */ 528 1.1.2.2 bouyer libdm_cmd_t 529 1.1.2.2 bouyer libdm_task_get_cmd(libdm_task_t libdm_task) 530 1.1.2.2 bouyer { 531 1.1.2.2 bouyer libdm_cmd_t cmd; 532 1.1.2.2 bouyer 533 1.1.2.2 bouyer cmd = malloc(sizeof(*cmd)); 534 1.1.2.2 bouyer 535 1.1.2.2 bouyer cmd->ldm_cmd = prop_dictionary_get(libdm_task->ldm_task, 536 1.1.2.2 bouyer DM_IOCTL_CMD_DATA); 537 1.1.2.2 bouyer 538 1.1.2.2 bouyer if (cmd->ldm_cmd == NULL) { 539 1.1.2.2 bouyer free(cmd); 540 1.1.2.2 bouyer return NULL; 541 1.1.2.2 bouyer } 542 1.1.2.2 bouyer 543 1.1.2.2 bouyer /* Get a reference prop_dictionary_get will not get it */ 544 1.1.2.2 bouyer prop_object_retain(cmd->ldm_cmd); 545 1.1.2.2 bouyer 546 1.1.2.2 bouyer return cmd; 547 1.1.2.2 bouyer } 548 1.1.2.2 bouyer 549 1.1.2.2 bouyer /* Command functions 550 1.1.2.2 bouyer * 551 1.1.2.2 bouyer * Functions for creation, destroing, set, get of command area of 552 1.1.2.2 bouyer * ioctl dictionary. 553 1.1.2.2 bouyer */ 554 1.1.2.2 bouyer libdm_cmd_t 555 1.1.2.2 bouyer libdm_cmd_create(void) 556 1.1.2.2 bouyer { 557 1.1.2.2 bouyer libdm_cmd_t cmd; 558 1.1.2.2 bouyer 559 1.1.2.2 bouyer cmd = malloc(sizeof(*cmd)); 560 1.1.2.2 bouyer if (cmd == NULL) 561 1.1.2.2 bouyer return NULL; 562 1.1.2.2 bouyer 563 1.1.2.2 bouyer cmd->ldm_cmd = prop_array_create(); 564 1.1.2.2 bouyer 565 1.1.2.2 bouyer return cmd; 566 1.1.2.2 bouyer } 567 1.1.2.2 bouyer 568 1.1.2.2 bouyer void 569 1.1.2.2 bouyer libdm_cmd_destroy(libdm_cmd_t libdm_cmd) 570 1.1.2.2 bouyer { 571 1.1.2.2 bouyer 572 1.1.2.2 bouyer prop_object_release(libdm_cmd->ldm_cmd); 573 1.1.2.2 bouyer free(libdm_cmd); 574 1.1.2.2 bouyer } 575 1.1.2.2 bouyer 576 1.1.2.2 bouyer /* Create iterator object for caller this can be used to 577 1.1.2.2 bouyer iterate through all members of cmd array. */ 578 1.1.2.2 bouyer libdm_iter_t 579 1.1.2.2 bouyer libdm_cmd_iter_create(libdm_cmd_t libdm_cmd) 580 1.1.2.2 bouyer { 581 1.1.2.2 bouyer 582 1.1.2.2 bouyer libdm_iter_t iter; 583 1.1.2.2 bouyer 584 1.1.2.2 bouyer iter = malloc(sizeof(*iter)); 585 1.1.2.2 bouyer if (iter == NULL) 586 1.1.2.2 bouyer return NULL; 587 1.1.2.2 bouyer 588 1.1.2.2 bouyer iter->ldm_obji = prop_array_iterator(libdm_cmd->ldm_cmd); 589 1.1.2.2 bouyer 590 1.1.2.2 bouyer return iter; 591 1.1.2.2 bouyer } 592 1.1.2.2 bouyer 593 1.1.2.2 bouyer int 594 1.1.2.2 bouyer libdm_cmd_set_table(libdm_table_t libdm_table, libdm_cmd_t libdm_cmd) 595 1.1.2.2 bouyer { 596 1.1.2.2 bouyer 597 1.1.2.2 bouyer return prop_array_add(libdm_cmd->ldm_cmd, 598 1.1.2.2 bouyer libdm_table->ldm_tbl); 599 1.1.2.2 bouyer } 600 1.1.2.2 bouyer 601 1.1.2.2 bouyer 602 1.1.2.2 bouyer libdm_target_t 603 1.1.2.2 bouyer libdm_cmd_get_target(libdm_iter_t iter) 604 1.1.2.2 bouyer { 605 1.1.2.2 bouyer libdm_target_t trgt; 606 1.1.2.2 bouyer 607 1.1.2.2 bouyer trgt = malloc(sizeof(*trgt)); 608 1.1.2.2 bouyer if (trgt == NULL) 609 1.1.2.2 bouyer return NULL; 610 1.1.2.2 bouyer 611 1.1.2.2 bouyer trgt->ldm_trgt = prop_object_iterator_next(iter->ldm_obji); 612 1.1.2.2 bouyer if (trgt->ldm_trgt == NULL) { 613 1.1.2.2 bouyer free(trgt); 614 1.1.2.2 bouyer return NULL; 615 1.1.2.2 bouyer } 616 1.1.2.2 bouyer 617 1.1.2.2 bouyer return trgt; 618 1.1.2.2 bouyer } 619 1.1.2.2 bouyer 620 1.1.2.2 bouyer libdm_table_t 621 1.1.2.2 bouyer libdm_cmd_get_table(libdm_iter_t iter) 622 1.1.2.2 bouyer { 623 1.1.2.2 bouyer libdm_table_t tbl; 624 1.1.2.2 bouyer 625 1.1.2.2 bouyer tbl = malloc(sizeof(*tbl)); 626 1.1.2.2 bouyer if (tbl == NULL) 627 1.1.2.2 bouyer return NULL; 628 1.1.2.2 bouyer 629 1.1.2.2 bouyer tbl->ldm_tbl = prop_object_iterator_next(iter->ldm_obji); 630 1.1.2.2 bouyer if (tbl->ldm_tbl == NULL) { 631 1.1.2.2 bouyer free(tbl); 632 1.1.2.2 bouyer return NULL; 633 1.1.2.2 bouyer } 634 1.1.2.2 bouyer 635 1.1.2.2 bouyer return tbl; 636 1.1.2.2 bouyer } 637 1.1.2.2 bouyer 638 1.1.2.2 bouyer libdm_dev_t 639 1.1.2.2 bouyer libdm_cmd_get_dev(libdm_iter_t iter) 640 1.1.2.2 bouyer { 641 1.1.2.2 bouyer libdm_dev_t dev; 642 1.1.2.2 bouyer 643 1.1.2.2 bouyer dev = malloc(sizeof(*dev)); 644 1.1.2.2 bouyer if (dev == NULL) 645 1.1.2.2 bouyer return NULL; 646 1.1.2.2 bouyer 647 1.1.2.2 bouyer dev->ldm_dev = prop_object_iterator_next(iter->ldm_obji); 648 1.1.2.2 bouyer if (dev->ldm_dev == NULL) { 649 1.1.2.2 bouyer free(dev); 650 1.1.2.2 bouyer return NULL; 651 1.1.2.2 bouyer } 652 1.1.2.2 bouyer 653 1.1.2.2 bouyer return dev; 654 1.1.2.2 bouyer } 655 1.1.2.2 bouyer 656 1.1.2.2 bouyer /* 657 1.1.2.2 bouyer * Deps manipulation routines 658 1.1.2.2 bouyer */ 659 1.1.2.2 bouyer uint64_t 660 1.1.2.2 bouyer libdm_cmd_get_deps(libdm_iter_t libdm_iter) 661 1.1.2.2 bouyer { 662 1.1.2.2 bouyer prop_object_t obj; 663 1.1.2.2 bouyer uint64_t deps; 664 1.1.2.2 bouyer 665 1.1.2.2 bouyer obj = prop_object_iterator_next(libdm_iter->ldm_obji); 666 1.1.2.2 bouyer deps = prop_number_unsigned_integer_value(obj); 667 1.1.2.2 bouyer 668 1.1.2.2 bouyer if (obj != NULL) 669 1.1.2.2 bouyer prop_object_release(obj); 670 1.1.2.2 bouyer 671 1.1.2.2 bouyer return deps; 672 1.1.2.2 bouyer } 673 1.1.2.2 bouyer 674 1.1.2.2 bouyer /* 675 1.1.2.2 bouyer * Table manipulation routines 676 1.1.2.2 bouyer */ 677 1.1.2.2 bouyer libdm_table_t 678 1.1.2.2 bouyer libdm_table_create(void) 679 1.1.2.2 bouyer { 680 1.1.2.2 bouyer libdm_table_t table; 681 1.1.2.2 bouyer 682 1.1.2.2 bouyer table = malloc(sizeof(*table)); 683 1.1.2.2 bouyer if (table == NULL) 684 1.1.2.2 bouyer return NULL; 685 1.1.2.2 bouyer 686 1.1.2.2 bouyer table->ldm_tbl = prop_dictionary_create(); 687 1.1.2.2 bouyer 688 1.1.2.2 bouyer return table; 689 1.1.2.2 bouyer } 690 1.1.2.2 bouyer 691 1.1.2.2 bouyer void 692 1.1.2.2 bouyer libdm_table_destroy(libdm_table_t libdm_table) 693 1.1.2.2 bouyer { 694 1.1.2.2 bouyer 695 1.1.2.2 bouyer prop_object_release(libdm_table->ldm_tbl); 696 1.1.2.2 bouyer free(libdm_table); 697 1.1.2.2 bouyer } 698 1.1.2.2 bouyer 699 1.1.2.2 bouyer int 700 1.1.2.2 bouyer libdm_table_set_start(uint64_t start, libdm_table_t libdm_table) 701 1.1.2.2 bouyer { 702 1.1.2.2 bouyer 703 1.1.2.2 bouyer if (libdm_table == NULL) 704 1.1.2.2 bouyer return ENOENT; 705 1.1.2.2 bouyer 706 1.1.2.2 bouyer return prop_dictionary_set_uint64(libdm_table->ldm_tbl, 707 1.1.2.2 bouyer DM_TABLE_START, start); 708 1.1.2.2 bouyer } 709 1.1.2.2 bouyer 710 1.1.2.2 bouyer uint64_t 711 1.1.2.2 bouyer libdm_table_get_start(libdm_table_t libdm_table) 712 1.1.2.2 bouyer { 713 1.1.2.2 bouyer uint64_t start; 714 1.1.2.2 bouyer 715 1.1.2.2 bouyer if (libdm_table == NULL) 716 1.1.2.2 bouyer return ENOENT; 717 1.1.2.2 bouyer 718 1.1.2.2 bouyer (void)prop_dictionary_get_uint64(libdm_table->ldm_tbl, DM_TABLE_START, 719 1.1.2.2 bouyer &start); 720 1.1.2.2 bouyer 721 1.1.2.2 bouyer return start; 722 1.1.2.2 bouyer } 723 1.1.2.2 bouyer 724 1.1.2.2 bouyer int 725 1.1.2.2 bouyer libdm_table_set_length(uint64_t length, libdm_table_t libdm_table) 726 1.1.2.2 bouyer { 727 1.1.2.2 bouyer 728 1.1.2.2 bouyer if (libdm_table == NULL) 729 1.1.2.2 bouyer return ENOENT; 730 1.1.2.2 bouyer 731 1.1.2.2 bouyer return prop_dictionary_set_uint64(libdm_table->ldm_tbl, 732 1.1.2.2 bouyer DM_TABLE_LENGTH, length); 733 1.1.2.2 bouyer } 734 1.1.2.2 bouyer 735 1.1.2.2 bouyer uint64_t 736 1.1.2.2 bouyer libdm_table_get_length(libdm_table_t libdm_table) 737 1.1.2.2 bouyer { 738 1.1.2.2 bouyer uint64_t length; 739 1.1.2.2 bouyer 740 1.1.2.2 bouyer if (libdm_table == NULL) 741 1.1.2.2 bouyer return ENOENT; 742 1.1.2.2 bouyer 743 1.1.2.2 bouyer prop_dictionary_get_uint64(libdm_table->ldm_tbl, DM_TABLE_LENGTH, 744 1.1.2.2 bouyer &length); 745 1.1.2.2 bouyer 746 1.1.2.2 bouyer return length; 747 1.1.2.2 bouyer } 748 1.1.2.2 bouyer 749 1.1.2.2 bouyer int 750 1.1.2.2 bouyer libdm_table_set_target(const char *name, libdm_table_t libdm_table) 751 1.1.2.2 bouyer { 752 1.1.2.2 bouyer 753 1.1.2.2 bouyer if (libdm_table == NULL) 754 1.1.2.2 bouyer return ENOENT; 755 1.1.2.2 bouyer 756 1.1.2.2 bouyer return prop_dictionary_set_cstring(libdm_table->ldm_tbl, DM_TABLE_TYPE, name); 757 1.1.2.2 bouyer } 758 1.1.2.2 bouyer 759 1.1.2.2 bouyer char * 760 1.1.2.2 bouyer libdm_table_get_target(libdm_table_t libdm_table) 761 1.1.2.2 bouyer { 762 1.1.2.2 bouyer char *target; 763 1.1.2.2 bouyer 764 1.1.2.2 bouyer if (!prop_dictionary_get_cstring_nocopy(libdm_table->ldm_tbl, DM_TABLE_TYPE, 765 1.1.2.2 bouyer (const char **)&target)) 766 1.1.2.2 bouyer return NULL; 767 1.1.2.2 bouyer 768 1.1.2.2 bouyer return target; 769 1.1.2.2 bouyer } 770 1.1.2.2 bouyer 771 1.1.2.2 bouyer int 772 1.1.2.2 bouyer libdm_table_set_params(const char *params, libdm_table_t libdm_table) 773 1.1.2.2 bouyer { 774 1.1.2.2 bouyer 775 1.1.2.2 bouyer if (libdm_table == NULL) 776 1.1.2.2 bouyer return ENOENT; 777 1.1.2.2 bouyer 778 1.1.2.2 bouyer return prop_dictionary_set_cstring(libdm_table->ldm_tbl, 779 1.1.2.2 bouyer DM_TABLE_PARAMS, params); 780 1.1.2.2 bouyer } 781 1.1.2.2 bouyer 782 1.1.2.2 bouyer /* 783 1.1.2.2 bouyer * Get table params string from libdm_table_t 784 1.1.2.2 bouyer * returned char * is dynamically allocated caller should free it. 785 1.1.2.2 bouyer */ 786 1.1.2.2 bouyer char * 787 1.1.2.2 bouyer libdm_table_get_params(libdm_table_t libdm_table) 788 1.1.2.2 bouyer { 789 1.1.2.2 bouyer char *params; 790 1.1.2.2 bouyer 791 1.1.2.2 bouyer if (!prop_dictionary_get_cstring_nocopy(libdm_table->ldm_tbl, DM_TABLE_PARAMS, 792 1.1.2.2 bouyer (const char **)¶ms)) 793 1.1.2.2 bouyer return NULL; 794 1.1.2.2 bouyer 795 1.1.2.2 bouyer return params; 796 1.1.2.2 bouyer } 797 1.1.2.2 bouyer 798 1.1.2.2 bouyer int32_t 799 1.1.2.2 bouyer libdm_table_get_status(libdm_table_t libdm_table) 800 1.1.2.2 bouyer { 801 1.1.2.2 bouyer int32_t status; 802 1.1.2.2 bouyer 803 1.1.2.2 bouyer (void)prop_dictionary_get_int32(libdm_table->ldm_tbl, DM_TABLE_STAT, 804 1.1.2.2 bouyer &status); 805 1.1.2.2 bouyer 806 1.1.2.2 bouyer return status; 807 1.1.2.2 bouyer } 808 1.1.2.2 bouyer 809 1.1.2.2 bouyer /* 810 1.1.2.2 bouyer * Target manipulation routines 811 1.1.2.2 bouyer */ 812 1.1.2.2 bouyer void 813 1.1.2.2 bouyer libdm_target_destroy(libdm_target_t libdm_target) 814 1.1.2.2 bouyer { 815 1.1.2.2 bouyer 816 1.1.2.2 bouyer prop_object_release(libdm_target->ldm_trgt); 817 1.1.2.2 bouyer free(libdm_target); 818 1.1.2.2 bouyer } 819 1.1.2.2 bouyer 820 1.1.2.2 bouyer char * 821 1.1.2.2 bouyer libdm_target_get_name(libdm_target_t libdm_target) 822 1.1.2.2 bouyer { 823 1.1.2.2 bouyer char *name; 824 1.1.2.2 bouyer 825 1.1.2.2 bouyer if (!prop_dictionary_get_cstring_nocopy(libdm_target->ldm_trgt, 826 1.1.2.2 bouyer DM_TARGETS_NAME, (const char **)&name)) 827 1.1.2.2 bouyer return NULL; 828 1.1.2.2 bouyer 829 1.1.2.2 bouyer return name; 830 1.1.2.2 bouyer } 831 1.1.2.2 bouyer 832 1.1.2.2 bouyer int32_t 833 1.1.2.2 bouyer libdm_target_get_version(libdm_target_t libdm_target, uint32_t *ver, size_t size) 834 1.1.2.2 bouyer { 835 1.1.2.2 bouyer prop_array_t prop_ver; 836 1.1.2.2 bouyer size_t i; 837 1.1.2.2 bouyer 838 1.1.2.2 bouyer prop_ver = prop_dictionary_get(libdm_target->ldm_trgt, 839 1.1.2.2 bouyer DM_TARGETS_VERSION); 840 1.1.2.2 bouyer 841 1.1.2.2 bouyer i = prop_array_count(prop_ver); 842 1.1.2.2 bouyer 843 1.1.2.2 bouyer if (i > size) 844 1.1.2.2 bouyer return -i; 845 1.1.2.2 bouyer 846 1.1.2.2 bouyer for (i = 0; i < size; i++) 847 1.1.2.2 bouyer prop_array_get_uint32(prop_ver, i, &ver[i]); 848 1.1.2.2 bouyer 849 1.1.2.2 bouyer return i; 850 1.1.2.2 bouyer } 851 1.1.2.2 bouyer 852 1.1.2.2 bouyer 853 1.1.2.2 bouyer /* 854 1.1.2.2 bouyer * Dev manipulation routines 855 1.1.2.2 bouyer */ 856 1.1.2.2 bouyer void 857 1.1.2.2 bouyer libdm_dev_destroy(libdm_dev_t libdm_dev) 858 1.1.2.2 bouyer { 859 1.1.2.2 bouyer 860 1.1.2.2 bouyer prop_object_release(libdm_dev->ldm_dev); 861 1.1.2.2 bouyer free(libdm_dev); 862 1.1.2.2 bouyer } 863 1.1.2.2 bouyer 864 1.1.2.2 bouyer char * 865 1.1.2.2 bouyer libdm_dev_get_name(libdm_dev_t libdm_dev) 866 1.1.2.2 bouyer { 867 1.1.2.2 bouyer char *name; 868 1.1.2.2 bouyer 869 1.1.2.2 bouyer if (!prop_dictionary_get_cstring_nocopy(libdm_dev->ldm_dev, 870 1.1.2.2 bouyer DM_DEV_NAME, (const char **)&name)) 871 1.1.2.2 bouyer return NULL; 872 1.1.2.2 bouyer 873 1.1.2.2 bouyer return name; 874 1.1.2.2 bouyer } 875 1.1.2.2 bouyer 876 1.1.2.2 bouyer uint32_t 877 1.1.2.2 bouyer libdm_dev_get_minor(libdm_dev_t libdm_dev) 878 1.1.2.2 bouyer { 879 1.1.2.2 bouyer uint32_t dev; 880 1.1.2.2 bouyer 881 1.1.2.2 bouyer (void)prop_dictionary_get_uint32(libdm_dev->ldm_dev, DM_DEV_DEV, 882 1.1.2.2 bouyer &dev); 883 1.1.2.2 bouyer 884 1.1.2.2 bouyer return dev; 885 1.1.2.2 bouyer } 886 1.1.2.2 bouyer 887 1.1.2.2 bouyer int 888 1.1.2.2 bouyer libdm_dev_set_newname(const char *newname, libdm_cmd_t libdm_cmd) 889 1.1.2.2 bouyer { 890 1.1.2.2 bouyer 891 1.1.2.2 bouyer if (newname == NULL) 892 1.1.2.2 bouyer return ENOENT; 893 1.1.2.2 bouyer 894 1.1.2.2 bouyer return prop_array_set_cstring(libdm_cmd->ldm_cmd, 0, newname); 895 1.1.2.2 bouyer } 896
Indexes created Mon Sep 29 21:09:56 GMT 2025