| 1 | /*␊ |
| 2 | * Copyright (c) 2008 Apple Inc. All rights reserved.␊ |
| 3 | *␊ |
| 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@␊ |
| 5 | *␊ |
| 6 | * This file contains Original Code and/or Modifications of Original Code␊ |
| 7 | * as defined in and that are subject to the Apple Public Source License␊ |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in␊ |
| 9 | * compliance with the License. The rights granted to you under the License␊ |
| 10 | * may not be used to create, or enable the creation or redistribution of,␊ |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to␊ |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any␊ |
| 13 | * terms of an Apple operating system software license agreement.␊ |
| 14 | *␊ |
| 15 | * Please obtain a copy of the License at␊ |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file.␊ |
| 17 | *␊ |
| 18 | * The Original Code and all software distributed under the License are␊ |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
| 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊ |
| 23 | * Please see the License for the specific language governing rights and␊ |
| 24 | * limitations under the License.␊ |
| 25 | *␊ |
| 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@␊ |
| 27 | */␊ |
| 28 | ␊ |
| 29 | #ifndef _LIBKERN_OSKEXTLIB_H␊ |
| 30 | #define _LIBKERN_OSKEXTLIB_H␊ |
| 31 | ␊ |
| 32 | #include <sys/cdefs.h>␊ |
| 33 | __BEGIN_DECLS␊ |
| 34 | ␊ |
| 35 | #include <stdint.h>␊ |
| 36 | #include <mach/kmod.h>␊ |
| 37 | #include <mach/vm_types.h>␊ |
| 38 | ␊ |
| 39 | #include <CoreFoundation/CoreFoundation.h>␊ |
| 40 | #include <System/libkern/OSReturn.h>␊ |
| 41 | ␊ |
| 42 | /*!␊ |
| 43 | * @header␊ |
| 44 | *␊ |
| 45 | * Declares functions, basic return values, and other constants␊ |
| 46 | * related to kernel extensions (kexts).␊ |
| 47 | */␊ |
| 48 | ␊ |
| 49 | #if PRAGMA_MARK␊ |
| 50 | #pragma mark -␊ |
| 51 | /********************************************************************/␊ |
| 52 | #pragma mark OSReturn Values for Kernel Extensions␊ |
| 53 | /********************************************************************/␊ |
| 54 | #endif␊ |
| 55 | /*!␊ |
| 56 | * @group OSReturn Values for Kernel Extensions␊ |
| 57 | * Many kext-related functions return these values,␊ |
| 58 | * as well as those defined under␊ |
| 59 | * <code>@link //apple_ref/c/tdef/OSReturn OSReturn@/link</code>␊ |
| 60 | * and other variants of <code>kern_return_t</code>.␊ |
| 61 | */␊ |
| 62 | ␊ |
| 63 | ␊ |
| 64 | #define sub_libkern_kext err_sub(2)␊ |
| 65 | #define libkern_kext_err(code) (sys_libkern|sub_libkern_kext|(code))␊ |
| 66 | ␊ |
| 67 | ␊ |
| 68 | /*!␊ |
| 69 | * @define kOSKextReturnInternalError␊ |
| 70 | * @abstract An internal error in the kext library.␊ |
| 71 | * Contrast with <code>@link //apple_ref/c/econst/OSReturnError␊ |
| 72 | * OSReturnError@/link</code>.␊ |
| 73 | */␊ |
| 74 | #define kOSKextReturnInternalError libkern_kext_err(0x1)␊ |
| 75 | ␊ |
| 76 | /*!␊ |
| 77 | * @define kOSKextReturnNoMemory␊ |
| 78 | * @abstract Memory allocation failed.␊ |
| 79 | */␊ |
| 80 | #define kOSKextReturnNoMemory libkern_kext_err(0x2)␊ |
| 81 | ␊ |
| 82 | /*!␊ |
| 83 | * @define kOSKextReturnNoResources␊ |
| 84 | * @abstract Some resource other than memory (such as available load tags)␊ |
| 85 | * is exhausted.␊ |
| 86 | */␊ |
| 87 | #define kOSKextReturnNoResources libkern_kext_err(0x3)␊ |
| 88 | ␊ |
| 89 | /*!␊ |
| 90 | * @define kOSKextReturnNotPrivileged␊ |
| 91 | * @abstract The caller lacks privileges to perform the requested operation.␊ |
| 92 | */␊ |
| 93 | #define kOSKextReturnNotPrivileged libkern_kext_err(0x4)␊ |
| 94 | ␊ |
| 95 | /*!␊ |
| 96 | * @define kOSKextReturnInvalidArgument␊ |
| 97 | * @abstract Invalid argument.␊ |
| 98 | */␊ |
| 99 | #define kOSKextReturnInvalidArgument libkern_kext_err(0x5)␊ |
| 100 | ␊ |
| 101 | /*!␊ |
| 102 | * @define kOSKextReturnNotFound␊ |
| 103 | * @abstract Search item not found.␊ |
| 104 | */␊ |
| 105 | #define kOSKextReturnNotFound libkern_kext_err(0x6)␊ |
| 106 | ␊ |
| 107 | /*!␊ |
| 108 | * @define kOSKextReturnBadData␊ |
| 109 | * @abstract Malformed data (not used for XML).␊ |
| 110 | */␊ |
| 111 | #define kOSKextReturnBadData libkern_kext_err(0x7)␊ |
| 112 | ␊ |
| 113 | /*!␊ |
| 114 | * @define kOSKextReturnSerialization␊ |
| 115 | * @abstract Error converting or (un)serializing URL, string, or XML.␊ |
| 116 | */␊ |
| 117 | #define kOSKextReturnSerialization libkern_kext_err(0x8)␊ |
| 118 | ␊ |
| 119 | /*!␊ |
| 120 | * @define kOSKextReturnUnsupported␊ |
| 121 | * @abstract Operation is no longer or not yet supported.␊ |
| 122 | */␊ |
| 123 | #define kOSKextReturnUnsupported libkern_kext_err(0x9)␊ |
| 124 | ␊ |
| 125 | /*!␊ |
| 126 | * @define kOSKextReturnDisabled␊ |
| 127 | * @abstract Operation is currently disabled.␊ |
| 128 | */␊ |
| 129 | #define kOSKextReturnDisabled libkern_kext_err(0xa)␊ |
| 130 | ␊ |
| 131 | /*!␊ |
| 132 | * @define kOSKextReturnNotAKext␊ |
| 133 | * @abstract Bundle is not a kernel extension.␊ |
| 134 | */␊ |
| 135 | #define kOSKextReturnNotAKext libkern_kext_err(0xb)␊ |
| 136 | ␊ |
| 137 | /*!␊ |
| 138 | * @define kOSKextReturnValidation␊ |
| 139 | * @abstract Validation failures encountered; check diagnostics for details.␊ |
| 140 | */␊ |
| 141 | #define kOSKextReturnValidation libkern_kext_err(0xc)␊ |
| 142 | ␊ |
| 143 | /*!␊ |
| 144 | * @define kOSKextReturnAuthentication␊ |
| 145 | * @abstract Authetication failures encountered; check diagnostics for details.␊ |
| 146 | */␊ |
| 147 | #define kOSKextReturnAuthentication libkern_kext_err(0xd)␊ |
| 148 | ␊ |
| 149 | /*!␊ |
| 150 | * @define kOSKextReturnDependencies␊ |
| 151 | * @abstract Dependency resolution failures encountered; check diagnostics for details.␊ |
| 152 | */␊ |
| 153 | #define kOSKextReturnDependencies libkern_kext_err(0xe)␊ |
| 154 | ␊ |
| 155 | /*!␊ |
| 156 | * @define kOSKextReturnArchNotFound␊ |
| 157 | * @abstract Kext does not contain code for the requested architecture.␊ |
| 158 | */␊ |
| 159 | #define kOSKextReturnArchNotFound libkern_kext_err(0xf)␊ |
| 160 | ␊ |
| 161 | /*!␊ |
| 162 | * @define kOSKextReturnCache␊ |
| 163 | * @abstract An error occurred processing a system kext cache.␊ |
| 164 | */␊ |
| 165 | #define kOSKextReturnCache libkern_kext_err(0x10)␊ |
| 166 | ␊ |
| 167 | /*!␊ |
| 168 | * @define kOSKextReturnDeferred␊ |
| 169 | * @abstract Operation has been posted asynchronously to user space (kernel only).␊ |
| 170 | */␊ |
| 171 | #define kOSKextReturnDeferred libkern_kext_err(0x11)␊ |
| 172 | ␊ |
| 173 | /*!␊ |
| 174 | * @define kOSKextReturnBootLevel␊ |
| 175 | * @abstract Kext not loadable or operation not allowed at current boot level.␊ |
| 176 | */␊ |
| 177 | #define kOSKextReturnBootLevel libkern_kext_err(0x12)␊ |
| 178 | ␊ |
| 179 | /*!␊ |
| 180 | * @define kOSKextReturnNotLoadable␊ |
| 181 | * @abstract Kext cannot be loaded; check diagnostics for details.␊ |
| 182 | */␊ |
| 183 | #define kOSKextReturnNotLoadable libkern_kext_err(0x13)␊ |
| 184 | ␊ |
| 185 | /*!␊ |
| 186 | * @define kOSKextReturnLoadedVersionDiffers␊ |
| 187 | * @abstract A different version (or executable UUID, or executable by checksum)␊ |
| 188 | * of the requested kext is already loaded.␊ |
| 189 | */␊ |
| 190 | #define kOSKextReturnLoadedVersionDiffers libkern_kext_err(0x14)␊ |
| 191 | ␊ |
| 192 | /*!␊ |
| 193 | * @define kOSKextReturnDependencyLoadError␊ |
| 194 | * @abstract A load error occurred on a dependency of the kext being loaded.␊ |
| 195 | */␊ |
| 196 | #define kOSKextReturnDependencyLoadError libkern_kext_err(0x15)␊ |
| 197 | ␊ |
| 198 | /*!␊ |
| 199 | * @define kOSKextReturnLinkError␊ |
| 200 | * @abstract A link failure occured with this kext or a dependency.␊ |
| 201 | */␊ |
| 202 | #define kOSKextReturnLinkError libkern_kext_err(0x16)␊ |
| 203 | ␊ |
| 204 | /*!␊ |
| 205 | * @define kOSKextReturnStartStopError␊ |
| 206 | * @abstract The kext start or stop routine returned an error.␊ |
| 207 | */␊ |
| 208 | #define kOSKextReturnStartStopError libkern_kext_err(0x17)␊ |
| 209 | ␊ |
| 210 | /*!␊ |
| 211 | * @define kOSKextReturnInUse␊ |
| 212 | * @abstract The kext is currently in use or has outstanding references,␊ |
| 213 | * and cannot be unloaded.␊ |
| 214 | */␊ |
| 215 | #define kOSKextReturnInUse libkern_kext_err(0x18)␊ |
| 216 | ␊ |
| 217 | /*!␊ |
| 218 | * @define kOSKextReturnTimeout␊ |
| 219 | * @abstract A kext request has timed out.␊ |
| 220 | */␊ |
| 221 | #define kOSKextReturnTimeout libkern_kext_err(0x19)␊ |
| 222 | ␊ |
| 223 | /*!␊ |
| 224 | * @define kOSKextReturnStopping␊ |
| 225 | * @abstract The kext is in the process of stopping; requests cannot be made.␊ |
| 226 | */␊ |
| 227 | #define kOSKextReturnStopping libkern_kext_err(0x1a)␊ |
| 228 | ␊ |
| 229 | #if PRAGMA_MARK␊ |
| 230 | #pragma mark -␊ |
| 231 | /********************************************************************/␊ |
| 232 | #pragma mark Kext/OSBundle Property List Keys␊ |
| 233 | /********************************************************************/␊ |
| 234 | #endif␊ |
| 235 | /*!␊ |
| 236 | * @group Kext Property List Keys␊ |
| 237 | * These constants cover CFBundle properties defined for kernel extensions.␊ |
| 238 | * Because they are used in the kernel, if you want to use one with␊ |
| 239 | * CFBundle APIs you'll need to wrap it in a <code>CFSTR()</code> macro.␊ |
| 240 | */␊ |
| 241 | ␊ |
| 242 | ␊ |
| 243 | /*!␊ |
| 244 | * @define kOSBundleCompatibleVersionKey␊ |
| 245 | * @abstract A string giving the backwards-compatible version of a library kext␊ |
| 246 | * in extended Mac OS 'vers' format (####.##.##s{1-255} where 's'␊ |
| 247 | * is a build stage 'd', 'a', 'b', 'f' or 'fc').␊ |
| 248 | */␊ |
| 249 | #define kOSBundleCompatibleVersionKey "OSBundleCompatibleVersion"␊ |
| 250 | ␊ |
| 251 | /*!␊ |
| 252 | * @define kOSBundleEnableKextLoggingKey␊ |
| 253 | * @abstract Set to true to have the kernel kext logging spec applied␊ |
| 254 | * to the kext.␊ |
| 255 | * See <code>@link //apple_ref/c/econst/OSKextLogSpec␊ |
| 256 | * OSKextLogSpec@/link</code>.␊ |
| 257 | */␊ |
| 258 | #define kOSBundleEnableKextLoggingKey "OSBundleEnableKextLogging"␊ |
| 259 | ␊ |
| 260 | /*!␊ |
| 261 | * @define kOSBundleIsInterfaceKey␊ |
| 262 | * @abstract A boolean value indicating whether the kext executable␊ |
| 263 | * contains only symbol references.␊ |
| 264 | */␊ |
| 265 | #define kOSBundleIsInterfaceKey "OSBundleIsInterface"␊ |
| 266 | ␊ |
| 267 | /*!␊ |
| 268 | * @define kOSBundleLibrariesKey␊ |
| 269 | * @abstract A dictionary listing link dependencies for this kext.␊ |
| 270 | * Keys are bundle identifiers, values are version strings.␊ |
| 271 | */␊ |
| 272 | #define kOSBundleLibrariesKey "OSBundleLibraries"␊ |
| 273 | ␊ |
| 274 | /*!␊ |
| 275 | * @define kOSBundleRequiredKey␊ |
| 276 | * @abstract A string indicating in which kinds of startup this kext␊ |
| 277 | * may need to load during early startup (before␊ |
| 278 | * <code>@link //apple_ref/doc/man/8/kextd kextcache(8)@/link</code>).␊ |
| 279 | * @discussion␊ |
| 280 | * The value is one of:␊ |
| 281 | * <ul>␊ |
| 282 | * <li>@link kOSBundleRequiredRoot "OSBundleRequiredRoot"@/link</li>␊ |
| 283 | * <li>@link kOSBundleRequiredLocalRoot "OSBundleRequiredLocalRoot"@/link</li>␊ |
| 284 | * <li>@link kOSBundleRequiredNetworkRoot "OSBundleRequiredNetworkRoot"@/link</li>␊ |
| 285 | * <li>@link kOSBundleRequiredSafeBoot "OSBundleRequiredSafeBoot"@/link</li>␊ |
| 286 | * <li>@link kOSBundleRequiredConsole "OSBundleRequiredConsole"@/link</li>␊ |
| 287 | * </ul>␊ |
| 288 | *␊ |
| 289 | * Use this property judiciously.␊ |
| 290 | * Every kext that declares a value other than "OSBundleRequiredSafeBoot"␊ |
| 291 | * increases startup time, as the booter must read it into memory,␊ |
| 292 | * or startup kext caches must include it.␊ |
| 293 | */␊ |
| 294 | #define kOSBundleRequiredKey "OSBundleRequired"␊ |
| 295 | ␊ |
| 296 | /*!␊ |
| 297 | * @define kOSBundleAllowUserLoadKey␊ |
| 298 | * @abstract A boolean value indicating whether␊ |
| 299 | * <code>@link //apple_ref/doc/man/8/kextd kextcache(8)@/link</code>␊ |
| 300 | * will honor a non-root process's request to load a kext.␊ |
| 301 | * @discussion␊ |
| 302 | * See <code>@link //apple_ref/doc/compositePage/c/func/KextManagerLoadKextWithURL␊ |
| 303 | * KextManagerLoadKextWithURL@/link</code>␊ |
| 304 | * and <code>@link //apple_ref/doc/compositePage/c/func/KextManagerLoadKextWithIdentifier␊ |
| 305 | * KextManagerLoadKextWithIdentifier@/link</code>.␊ |
| 306 | */␊ |
| 307 | #define kOSBundleAllowUserLoadKey "OSBundleAllowUserLoad"␊ |
| 308 | ␊ |
| 309 | /*!␊ |
| 310 | * @define kOSKernelResourceKey␊ |
| 311 | * @abstract A boolean value indicating whether the kext represents a built-in␊ |
| 312 | * component of the kernel.␊ |
| 313 | */␊ |
| 314 | #define kOSKernelResourceKey "OSKernelResource"␊ |
| 315 | ␊ |
| 316 | /*!␊ |
| 317 | * @define kIOKitPersonalitiesKey␊ |
| 318 | * @abstract A dictionary of dictionaries used in matching for I/O Kit drivers.␊ |
| 319 | */␊ |
| 320 | #define kIOKitPersonalitiesKey "IOKitPersonalities"␊ |
| 321 | ␊ |
| 322 | /*␊ |
| 323 | * @define kIOPersonalityPublisherKey␊ |
| 324 | * @abstract Used in personalities sent to the I/O Kit,␊ |
| 325 | * contains the CFBundleIdentifier of the kext␊ |
| 326 | * that the personality originated in.␊ |
| 327 | */␊ |
| 328 | #define kIOPersonalityPublisherKey "IOPersonalityPublisher"␊ |
| 329 | ␊ |
| 330 | ␊ |
| 331 | #if PRAGMA_MARK␊ |
| 332 | /********************************************************************/␊ |
| 333 | #pragma mark Kext/OSBundle Property Deprecated Keys␊ |
| 334 | /********************************************************************/␊ |
| 335 | #endif␊ |
| 336 | /*␊ |
| 337 | * @define kOSBundleDebugLevelKey␊ |
| 338 | * @abstract␊ |
| 339 | * Deprecated (used on some releases of Mac OS X prior to 10.6 Snow Leopard).␊ |
| 340 | * Value is an integer from 1-6, corresponding to the verbose levels␊ |
| 341 | * of kext tools on those releases.␊ |
| 342 | * On 10.6 Snow Leopard, use <code>@link OSKextEnableKextLogging␊ |
| 343 | * OSKextEnableKextLogging@/link</code>.␊ |
| 344 | */␊ |
| 345 | #define kOSBundleDebugLevelKey "OSBundleDebugLevel"␊ |
| 346 | ␊ |
| 347 | /*!␊ |
| 348 | * @define kOSBundleSharedExecutableIdentifierKey␊ |
| 349 | * @abstract Deprecated (used on some releases of Mac OS X␊ |
| 350 | * prior to 10.6 Snow Leopard).␊ |
| 351 | * Value is the bundle identifier of the pseudokext␊ |
| 352 | * that contains an executable shared by this kext.␊ |
| 353 | */␊ |
| 354 | #define kOSBundleSharedExecutableIdentifierKey "OSBundleSharedExecutableIdentifier"␊ |
| 355 | ␊ |
| 356 | ␊ |
| 357 | #if PRAGMA_MARK␊ |
| 358 | /********************************************************************/␊ |
| 359 | #pragma mark Kext/OSBundle Property List Values␊ |
| 360 | /********************************************************************/␊ |
| 361 | #endif␊ |
| 362 | ␊ |
| 363 | /*!␊ |
| 364 | * @group Kext Property List Values␊ |
| 365 | * These constants encompass established values␊ |
| 366 | * for kernel extension bundle properties.␊ |
| 367 | */␊ |
| 368 | ␊ |
| 369 | /*!␊ |
| 370 | * @define kOSKextKernelIdentifier␊ |
| 371 | * @abstract␊ |
| 372 | * This is the CFBundleIdentifier user for the kernel itself.␊ |
| 373 | */␊ |
| 374 | #define kOSKextKernelIdentifier "__kernel__"␊ |
| 375 | ␊ |
| 376 | /*!␊ |
| 377 | * @define kOSBundleRequiredRoot␊ |
| 378 | * @abstract␊ |
| 379 | * This <code>@link kOSBundleRequiredKey OSBundleRequired@/link</code>␊ |
| 380 | * value indicates that the kext may be needed to mount the root filesystem␊ |
| 381 | * whether starting from a local or a network volume.␊ |
| 382 | */␊ |
| 383 | #define kOSBundleRequiredRoot "Root"␊ |
| 384 | ␊ |
| 385 | /*!␊ |
| 386 | * @define kOSBundleRequiredLocalRoot␊ |
| 387 | * @abstract␊ |
| 388 | * This <code>@link kOSBundleRequiredKey OSBundleRequired@/link</code>␊ |
| 389 | * value indicates that the kext may be needed to mount the root filesystem␊ |
| 390 | * when starting from a local disk.␊ |
| 391 | */␊ |
| 392 | #define kOSBundleRequiredLocalRoot "Local-Root"␊ |
| 393 | ␊ |
| 394 | /*!␊ |
| 395 | * @define kOSBundleRequiredNetworkRoot␊ |
| 396 | * @abstract␊ |
| 397 | * This <code>@link kOSBundleRequiredKey OSBundleRequired@/link</code>␊ |
| 398 | * value indicates that the kext may be needed to mount the root filesystem␊ |
| 399 | * when starting over a network connection.␊ |
| 400 | */␊ |
| 401 | #define kOSBundleRequiredNetworkRoot "Network-Root"␊ |
| 402 | ␊ |
| 403 | /*!␊ |
| 404 | * @define kOSBundleRequiredSafeBoot␊ |
| 405 | * @abstract␊ |
| 406 | * This <code>@link kOSBundleRequiredKey OSBundleRequired@/link</code>␊ |
| 407 | * value indicates that the kext can be loaded during a safe startup.␊ |
| 408 | * This value does not normally cause the kext to be read by the booter␊ |
| 409 | * or included in startup kext caches.␊ |
| 410 | */␊ |
| 411 | #define kOSBundleRequiredSafeBoot "Safe Boot"␊ |
| 412 | ␊ |
| 413 | /*!␊ |
| 414 | * @define kOSBundleRequiredConsole␊ |
| 415 | * @abstract␊ |
| 416 | * This <code>@link kOSBundleRequiredKey OSBundleRequired@/link</code>␊ |
| 417 | * value indicates that the kext may be needed for console access␊ |
| 418 | * (specifically in a single-user startup when␊ |
| 419 | * <code>@link //apple_ref/doc/man/8/kextd kextd(8)@/link</code>.␊ |
| 420 | * does not run)␊ |
| 421 | * and should be loaded during early startup.␊ |
| 422 | */␊ |
| 423 | #define kOSBundleRequiredConsole "Console"␊ |
| 424 | ␊ |
| 425 | ␊ |
| 426 | #if PRAGMA_MARK␊ |
| 427 | #pragma mark -␊ |
| 428 | /********************************************************************/␊ |
| 429 | #pragma mark Kext Information␊ |
| 430 | /********************************************************************/␊ |
| 431 | #endif␊ |
| 432 | /*!␊ |
| 433 | * @group Kext Information␊ |
| 434 | * Types, constants, and macros providing a kext with information␊ |
| 435 | * about itself.␊ |
| 436 | */␊ |
| 437 | ␊ |
| 438 | /*!␊ |
| 439 | * @typedef OSKextLoadTag␊ |
| 440 | *␊ |
| 441 | * @abstract␊ |
| 442 | * A unique identifier assigned to a loaded instanace of a kext.␊ |
| 443 | *␊ |
| 444 | * @discussion␊ |
| 445 | * If a kext is unloaded and later reloaded, the new instance␊ |
| 446 | * has a different load tag.␊ |
| 447 | *␊ |
| 448 | * A kext can get its own load tag in the <code>kmod_info_t</code>␊ |
| 449 | * structure passed into its module start routine, as the␊ |
| 450 | * <code>id</code> field (cast to this type).␊ |
| 451 | * You can use the load tag with the functions␊ |
| 452 | * <code>@link OSKextRetainKextWithLoadTag␊ |
| 453 | * OSKextRetainKextWithLoadTag@/link</code> and␊ |
| 454 | * <code>@link OSKextReleaseKextWithLoadTag␊ |
| 455 | * OSKextReleaseKextWithLoadTag@/link</code>.␊ |
| 456 | */␊ |
| 457 | typedef uint32_t OSKextLoadTag;␊ |
| 458 | ␊ |
| 459 | /*!␊ |
| 460 | * @define kOSKextInvalidLoadTag␊ |
| 461 | *␊ |
| 462 | * @abstract␊ |
| 463 | * A load tag value that will never be used for a loaded kext;␊ |
| 464 | * indicates kext not found.␊ |
| 465 | */␊ |
| 466 | #define kOSKextInvalidLoadTag ((OSKextLoadTag)(-1))␊ |
| 467 | ␊ |
| 468 | ␊ |
| 469 | ␊ |
| 470 | __END_DECLS␊ |
| 471 | ␊ |
| 472 | #endif /* _LIBKERN_OSKEXTLIB_H */␊ |
| 473 | |
