1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_MODCTL_H 27 #define _SYS_MODCTL_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 /* 32 * loadable module support. 33 */ 34 35 #include <sys/types.h> 36 #include <sys/ioccom.h> 37 #include <sys/nexusdefs.h> 38 #include <sys/thread.h> 39 #include <sys/t_lock.h> 40 #include <sys/dditypes.h> 41 #include <sys/hwconf.h> 42 43 #ifdef __cplusplus 44 extern "C" { 45 #endif 46 47 /* 48 * The following structure defines the operations used by modctl 49 * to load and unload modules. Each supported loadable module type 50 * requires a set of mod_ops. 51 */ 52 struct mod_ops { 53 int (*modm_install)(); /* install module in kernel */ 54 int (*modm_remove)(); /* remove from kernel */ 55 int (*modm_info)(); /* module info */ 56 }; 57 58 #ifdef _KERNEL 59 60 /* 61 * The defined set of mod_ops structures for each loadable module type 62 * Defined in modctl.c 63 */ 64 extern struct mod_ops mod_brandops; 65 #if defined(__i386) || defined(__amd64) 66 extern struct mod_ops mod_cpuops; 67 #endif 68 extern struct mod_ops mod_cryptoops; 69 extern struct mod_ops mod_driverops; 70 extern struct mod_ops mod_execops; 71 extern struct mod_ops mod_fsops; 72 extern struct mod_ops mod_miscops; 73 extern struct mod_ops mod_schedops; 74 extern struct mod_ops mod_strmodops; 75 extern struct mod_ops mod_syscallops; 76 #ifdef _SYSCALL32_IMPL 77 extern struct mod_ops mod_syscallops32; 78 #endif 79 extern struct mod_ops mod_dacfops; 80 extern struct mod_ops mod_ippops; 81 extern struct mod_ops mod_pcbeops; 82 extern struct mod_ops mod_devfsops; 83 extern struct mod_ops mod_kiconvops; 84 85 #endif /* _KERNEL */ 86 87 /* 88 * Definitions for the module specific linkage structures. 89 * The first two fields are the same in all of the structures. 90 * The linkinfo is for informational purposes only and is returned by 91 * modctl with the MODINFO cmd. 92 */ 93 94 /* For drivers */ 95 struct modldrv { 96 struct mod_ops *drv_modops; 97 char *drv_linkinfo; 98 struct dev_ops *drv_dev_ops; 99 }; 100 101 /* For system calls */ 102 struct modlsys { 103 struct mod_ops *sys_modops; 104 char *sys_linkinfo; 105 struct sysent *sys_sysent; 106 }; 107 108 /* For filesystems */ 109 struct modlfs { 110 struct mod_ops *fs_modops; 111 char *fs_linkinfo; 112 struct vfsdef_v5 *fs_vfsdef; /* version may actually vary */ 113 }; 114 115 #if defined(__i386) || defined(__amd64) 116 struct cmi_ops; 117 118 /* For CPU modules */ 119 struct modlcpu { 120 struct mod_ops *cpu_modops; 121 char *cpu_linkinfo; 122 struct cmi_ops *cpu_cmiops; 123 }; 124 #endif 125 126 /* For cryptographic providers */ 127 struct modlcrypto { 128 struct mod_ops *crypto_modops; 129 char *crypto_linkinfo; 130 }; 131 132 /* For misc */ 133 struct modlmisc { 134 struct mod_ops *misc_modops; 135 char *misc_linkinfo; 136 }; 137 138 /* For IP Modules */ 139 struct modlipp { 140 struct mod_ops *ipp_modops; 141 char *ipp_linkinfo; 142 struct ipp_ops *ipp_ops; 143 }; 144 145 /* For Streams Modules. */ 146 struct modlstrmod { 147 struct mod_ops *strmod_modops; 148 char *strmod_linkinfo; 149 struct fmodsw *strmod_fmodsw; 150 }; 151 152 /* For Scheduling classes */ 153 struct modlsched { 154 struct mod_ops *sched_modops; 155 char *sched_linkinfo; 156 struct sclass *sched_class; 157 }; 158 159 /* For Exec file type (like ELF, ...) */ 160 struct modlexec { 161 struct mod_ops *exec_modops; 162 char *exec_linkinfo; 163 struct execsw *exec_execsw; 164 }; 165 166 /* For dacf modules */ 167 struct modldacf { 168 struct mod_ops *dacf_modops; 169 char *dacf_linkinfo; 170 struct dacfsw *dacf_dacfsw; 171 }; 172 173 /* For PCBE modules */ 174 struct modlpcbe { 175 struct mod_ops *pcbe_modops; 176 char *pcbe_linkinfo; 177 struct __pcbe_ops *pcbe_ops; 178 }; 179 180 /* For Brand modules */ 181 struct modlbrand { 182 struct mod_ops *brand_modops; 183 char *brand_linkinfo; 184 struct brand *brand_branddef; 185 }; 186 187 /* for devname fs */ 188 struct modldev { 189 struct mod_ops *dev_modops; 190 char *dev_linkinfo; 191 struct devname_ops *dev_ops; 192 }; 193 194 /* For kiconv modules */ 195 struct modlkiconv { 196 struct mod_ops *kiconv_modops; 197 char *kiconv_linkinfo; 198 struct kiconv_mod_info *kiconv_moddef; 199 }; 200 201 /* 202 * Revision number of loadable modules support. This is the value 203 * that must be used in the modlinkage structure. 204 */ 205 #define MODREV_1 1 206 207 /* 208 * The modlinkage structure is the structure that the module writer 209 * provides to the routines to install, remove, and stat a module. 210 * The ml_linkage element is an array of pointers to linkage structures. 211 * For most modules there is only one linkage structure. We allocate 212 * enough space for 3 linkage structures which happens to be the most 213 * we have in any sun supplied module. For those modules with more 214 * than 3 linkage structures (which is very unlikely), a modlinkage 215 * structure must be kmem_alloc'd in the module wrapper to be big enough 216 * for all of the linkage structures. 217 */ 218 struct modlinkage { 219 int ml_rev; /* rev of loadable modules system */ 220 #ifdef _LP64 221 void *ml_linkage[7]; /* more space in 64-bit OS */ 222 #else 223 void *ml_linkage[4]; /* NULL terminated list of */ 224 /* linkage structures */ 225 #endif 226 }; 227 228 /* 229 * commands. These are the commands supported by the modctl system call. 230 */ 231 #define MODLOAD 0 232 #define MODUNLOAD 1 233 #define MODINFO 2 234 #define MODRESERVED 3 235 #define MODSETMINIROOT 4 236 #define MODADDMAJBIND 5 237 #define MODGETPATH 6 238 #define MODREADSYSBIND 7 239 #define MODGETMAJBIND 8 240 #define MODGETNAME 9 241 #define MODSIZEOF_DEVID 10 242 #define MODGETDEVID 11 243 #define MODSIZEOF_MINORNAME 12 244 #define MODGETMINORNAME 13 245 #define MODGETPATHLEN 14 246 #define MODEVENTS 15 247 #define MODGETFBNAME 16 248 #define MODREREADDACF 17 249 #define MODLOADDRVCONF 18 250 #define MODUNLOADDRVCONF 19 251 #define MODREMMAJBIND 20 252 #define MODDEVT2INSTANCE 21 253 #define MODGETDEVFSPATH_LEN 22 254 #define MODGETDEVFSPATH 23 255 #define MODDEVID2PATHS 24 256 #define MODSETDEVPOLICY 26 257 #define MODGETDEVPOLICY 27 258 #define MODALLOCPRIV 28 259 #define MODGETDEVPOLICYBYNAME 29 260 #define MODLOADMINORPERM 31 261 #define MODADDMINORPERM 32 262 #define MODREMMINORPERM 33 263 #define MODREMDRVCLEANUP 34 264 #define MODDEVEXISTS 35 265 #define MODDEVREADDIR 36 266 #define MODDEVNAME 37 267 #define MODGETDEVFSPATH_MI_LEN 38 268 #define MODGETDEVFSPATH_MI 39 269 #define MODRETIRE 40 270 #define MODUNRETIRE 41 271 #define MODISRETIRED 42 272 #define MODDEVEMPTYDIR 43 273 274 /* 275 * sub cmds for MODEVENTS 276 */ 277 #define MODEVENTS_FLUSH 0 278 #define MODEVENTS_FLUSH_DUMP 1 279 #define MODEVENTS_SET_DOOR_UPCALL_FILENAME 2 280 #define MODEVENTS_GETDATA 3 281 #define MODEVENTS_FREEDATA 4 282 #define MODEVENTS_POST_EVENT 5 283 #define MODEVENTS_REGISTER_EVENT 6 284 285 /* 286 * devname subcmds for MODDEVNAME 287 */ 288 #define MODDEVNAME_LOOKUPDOOR 0 289 #define MODDEVNAME_DEVFSADMNODE 1 290 #define MODDEVNAME_NSMAPS 2 291 #define MODDEVNAME_PROFILE 3 292 #define MODDEVNAME_RECONFIG 4 293 #define MODDEVNAME_SYSAVAIL 5 294 295 296 /* 297 * Data structure passed to modconfig command in kernel to build devfs tree 298 */ 299 300 struct aliases { 301 struct aliases *a_next; 302 char *a_name; 303 int a_len; 304 }; 305 306 #define MAXMODCONFNAME 256 307 308 struct modconfig { 309 char drvname[MAXMODCONFNAME]; 310 char drvclass[MAXMODCONFNAME]; 311 int major; 312 int num_aliases; 313 struct aliases *ap; 314 }; 315 316 #if defined(_SYSCALL32) 317 318 struct aliases32 { 319 caddr32_t a_next; 320 caddr32_t a_name; 321 int32_t a_len; 322 }; 323 324 struct modconfig32 { 325 char drvname[MAXMODCONFNAME]; 326 char drvclass[MAXMODCONFNAME]; 327 int32_t major; 328 int32_t num_aliases; 329 caddr32_t ap; 330 }; 331 332 #endif /* _SYSCALL32 */ 333 334 /* 335 * Max module path length 336 */ 337 #define MOD_MAXPATH 256 338 339 /* 340 * Default search path for modules ADDITIONAL to the directory 341 * where the kernel components we booted from are. 342 * 343 * Most often, this will be "/platform/{platform}/kernel /kernel /usr/kernel", 344 * but we don't wire it down here. 345 */ 346 #define MOD_DEFPATH "/kernel /usr/kernel" 347 348 /* 349 * Default file name extension for autoloading modules. 350 */ 351 #define MOD_DEFEXT "" 352 353 /* 354 * Parameters for modinfo 355 */ 356 #define MODMAXNAMELEN 32 /* max module name length */ 357 #define MODMAXLINKINFOLEN 32 /* max link info length */ 358 359 /* 360 * Module specific information. 361 */ 362 struct modspecific_info { 363 char msi_linkinfo[MODMAXLINKINFOLEN]; /* name in linkage struct */ 364 int msi_p0; /* module specific information */ 365 }; 366 367 /* 368 * Structure returned by modctl with MODINFO command. 369 */ 370 #define MODMAXLINK 10 /* max linkages modinfo can handle */ 371 372 struct modinfo { 373 int mi_info; /* Flags for info wanted */ 374 int mi_state; /* Flags for module state */ 375 int mi_id; /* id of this loaded module */ 376 int mi_nextid; /* id of next module or -1 */ 377 caddr_t mi_base; /* virtual addr of text */ 378 size_t mi_size; /* size of module in bytes */ 379 int mi_rev; /* loadable modules rev */ 380 int mi_loadcnt; /* # of times loaded */ 381 char mi_name[MODMAXNAMELEN]; /* name of module */ 382 struct modspecific_info mi_msinfo[MODMAXLINK]; 383 /* mod specific info */ 384 }; 385 386 387 #if defined(_SYSCALL32) 388 389 #define MODMAXNAMELEN32 32 /* max module name length */ 390 #define MODMAXLINKINFOLEN32 32 /* max link info length */ 391 #define MODMAXLINK32 10 /* max linkages modinfo can handle */ 392 393 struct modspecific_info32 { 394 char msi_linkinfo[MODMAXLINKINFOLEN32]; /* name in linkage struct */ 395 int32_t msi_p0; /* module specific information */ 396 }; 397 398 struct modinfo32 { 399 int32_t mi_info; /* Flags for info wanted */ 400 int32_t mi_state; /* Flags for module state */ 401 int32_t mi_id; /* id of this loaded module */ 402 int32_t mi_nextid; /* id of next module or -1 */ 403 caddr32_t mi_base; /* virtual addr of text */ 404 uint32_t mi_size; /* size of module in bytes */ 405 int32_t mi_rev; /* loadable modules rev */ 406 int32_t mi_loadcnt; /* # of times loaded */ 407 char mi_name[MODMAXNAMELEN32]; /* name of module */ 408 struct modspecific_info32 mi_msinfo[MODMAXLINK32]; 409 /* mod specific info */ 410 }; 411 412 #endif /* _SYSCALL32 */ 413 414 /* Values for mi_info flags */ 415 #define MI_INFO_ONE 1 416 #define MI_INFO_ALL 2 417 #define MI_INFO_CNT 4 418 #ifdef _KERNEL 419 #define MI_INFO_LINKAGE 8 /* used internally to extract modlinkage */ 420 #endif 421 /* 422 * MI_INFO_NOBASE indicates caller does not need mi_base. Failure to use this 423 * flag may lead 32-bit apps to receive an EOVERFLOW error from modctl(MODINFO) 424 * when used with a 64-bit kernel. 425 */ 426 #define MI_INFO_NOBASE 16 427 428 /* Values for mi_state */ 429 #define MI_LOADED 1 430 #define MI_INSTALLED 2 431 432 /* 433 * Macros to vector to the appropriate module specific routine. 434 */ 435 #define MODL_INSTALL(MODL, MODLP) \ 436 (*(MODL)->misc_modops->modm_install)(MODL, MODLP) 437 #define MODL_REMOVE(MODL, MODLP) \ 438 (*(MODL)->misc_modops->modm_remove)(MODL, MODLP) 439 #define MODL_INFO(MODL, MODLP, P0) \ 440 (*(MODL)->misc_modops->modm_info)(MODL, MODLP, P0) 441 442 /* 443 * Definitions for stubs 444 */ 445 struct mod_stub_info { 446 uintptr_t mods_func_adr; 447 struct mod_modinfo *mods_modinfo; 448 uintptr_t mods_stub_adr; 449 int (*mods_errfcn)(); 450 int mods_flag; /* flags defined below */ 451 }; 452 453 /* 454 * Definitions for mods_flag. 455 */ 456 #define MODS_WEAK 0x01 /* weak stub (not loaded if called) */ 457 #define MODS_NOUNLOAD 0x02 /* module not unloadable (no _fini()) */ 458 #define MODS_INSTALLED 0x10 /* module installed */ 459 460 struct mod_modinfo { 461 char *modm_module_name; 462 struct modctl *mp; 463 struct mod_stub_info modm_stubs[1]; 464 }; 465 466 struct modctl_list { 467 struct modctl_list *modl_next; 468 struct modctl *modl_modp; 469 }; 470 471 /* 472 * Structure to manage a loadable module. 473 * Note: the module (mod_mp) structure's "text" and "text_size" information 474 * are replicated in the modctl structure so that mod_containing_pc() 475 * doesn't have to grab any locks (modctls are persistent; modules are not.) 476 */ 477 typedef struct modctl { 478 struct modctl *mod_next; /* &modules based list */ 479 struct modctl *mod_prev; 480 int mod_id; 481 void *mod_mp; 482 kthread_t *mod_inprogress_thread; 483 struct mod_modinfo *mod_modinfo; 484 struct modlinkage *mod_linkage; 485 char *mod_filename; 486 char *mod_modname; 487 488 char mod_busy; /* inprogress_thread has locked */ 489 char mod_want; /* someone waiting for unlock */ 490 char mod_prim; /* primary module */ 491 492 int mod_ref; /* ref count - from dependent or stub */ 493 494 char mod_loaded; /* module in memory */ 495 char mod_installed; /* post _init pre _fini */ 496 char mod_loadflags; 497 char mod_delay_unload; /* deferred unload */ 498 499 struct modctl_list *mod_requisites; /* mods this one depends on. */ 500 void *__unused; /* NOTE: reuse (same size) is OK, */ 501 /* deletion causes mdb.vs.core issues */ 502 int mod_loadcnt; /* number of times mod was loaded */ 503 int mod_nenabled; /* # of enabled DTrace probes in mod */ 504 char *mod_text; 505 size_t mod_text_size; 506 507 int mod_gencount; /* # times loaded/unloaded */ 508 struct modctl *mod_requisite_loading; /* mod circular dependency */ 509 } modctl_t; 510 511 /* 512 * mod_loadflags 513 */ 514 515 #define MOD_NOAUTOUNLOAD 0x1 /* Auto mod-unloader skips this mod */ 516 #define MOD_NONOTIFY 0x2 /* No krtld notifications on (un)load */ 517 #define MOD_NOUNLOAD 0x4 /* Assume EBUSY for all _fini's */ 518 519 520 #ifdef _KERNEL 521 522 #define MOD_BIND_HASHSIZE 64 523 #define MOD_BIND_HASHMASK (MOD_BIND_HASHSIZE-1) 524 525 typedef int modid_t; 526 527 /* 528 * global function and data declarations 529 */ 530 extern kmutex_t mod_lock; 531 532 extern char *systemfile; 533 extern char **syscallnames; 534 extern int moddebug; 535 536 /* 537 * this is the head of a doubly linked list. Only the next and prev 538 * pointers are used 539 */ 540 extern modctl_t modules; 541 542 extern int modload_qualified(const char *, 543 const char *, const char *, const char *, uint_t[], int, int *); 544 545 extern void mod_setup(void); 546 extern int modload(const char *, const char *); 547 extern int modloadonly(const char *, const char *); 548 extern int modunload(int); 549 extern int mod_hold_stub(struct mod_stub_info *); 550 extern void modunload_disable(void); 551 extern void modunload_enable(void); 552 extern void modunload_begin(void); 553 extern void modunload_end(void); 554 extern int mod_remove_by_name(char *); 555 extern int mod_sysvar(const char *, const char *, u_longlong_t *); 556 extern int mod_sysctl(int, void *); 557 struct sysparam; 558 extern int mod_hold_by_modctl(modctl_t *, int); 559 #define MOD_WAIT_ONCE 0x01 560 #define MOD_WAIT_FOREVER 0x02 561 #define MOD_LOCK_HELD 0x04 562 #define MOD_LOCK_NOT_HELD 0x08 563 extern int mod_sysctl_type(int, int (*)(struct sysparam *, void *), 564 void *); 565 extern void mod_read_system_file(int); 566 extern void mod_release_stub(struct mod_stub_info *); 567 extern void mod_askparams(void); 568 extern void mod_uninstall_daemon(void); 569 extern void modreap(void); 570 extern modctl_t *mod_hold_by_id(modid_t); 571 extern modctl_t *mod_hold_by_name(const char *); 572 extern void mod_release_mod(modctl_t *); 573 extern uintptr_t modlookup(const char *, const char *); 574 extern uintptr_t modlookup_by_modctl(modctl_t *, const char *); 575 extern char *modgetsymname(uintptr_t, unsigned long *); 576 extern void mod_release_requisites(modctl_t *); 577 extern modctl_t *mod_load_requisite(modctl_t *, char *); 578 extern modctl_t *mod_find_by_filename(char *, char *); 579 extern uintptr_t modgetsymvalue(char *, int); 580 581 extern void mod_rele_dev_by_major(major_t); 582 extern struct dev_ops *mod_hold_dev_by_major(major_t); 583 extern struct dev_ops *mod_hold_dev_by_devi(dev_info_t *); 584 extern void mod_rele_dev_by_devi(dev_info_t *); 585 586 extern int make_devname(char *, major_t); 587 extern int gmatch(const char *, const char *); 588 589 struct bind; 590 extern void make_aliases(struct bind **); 591 extern int read_binding_file(char *, struct bind **, 592 int (*line_parser)(char *, int, char *, struct bind **)); 593 extern void clear_binding_hash(struct bind **); 594 595 extern void read_class_file(void); 596 extern void setbootpath(char *); 597 extern void setbootfstype(char *); 598 599 extern int install_stubs_by_name(modctl_t *, char *); 600 extern void install_stubs(modctl_t *); 601 extern void uninstall_stubs(modctl_t *); 602 extern void reset_stubs(modctl_t *); 603 extern modctl_t *mod_getctl(struct modlinkage *); 604 extern major_t mod_name_to_major(char *); 605 extern modid_t mod_name_to_modid(char *); 606 extern char *mod_major_to_name(major_t); 607 extern void init_devnamesp(int); 608 extern void init_syscallnames(int); 609 610 extern char *mod_getsysname(int); 611 extern int mod_getsysnum(char *); 612 613 extern char *mod_containing_pc(caddr_t); 614 extern int mod_in_autounload(void); 615 extern char *mod_modname(struct modlinkage *); 616 617 extern int dev_minorperm(dev_info_t *, char *, mperm_t *); 618 extern void dev_devices_cleanup(void); 619 620 /* 621 * Declarations used for dynamic linking support routines. Interfaces 622 * are marked with the pragma "unknown_control_flow" to prevent tail call 623 * optimization, so that implementations can reliably use caller() to 624 * determine initiating module. 625 */ 626 #define KRTLD_MODE_FIRST 0x0001 627 typedef struct __ddi_modhandle *ddi_modhandle_t; 628 extern ddi_modhandle_t ddi_modopen(const char *, 629 int, int *); 630 extern void *ddi_modsym(ddi_modhandle_t, 631 const char *, int *); 632 extern int ddi_modclose(ddi_modhandle_t); 633 #pragma unknown_control_flow(ddi_modopen, ddi_modsym, ddi_modclose) 634 635 /* 636 * Only the following are part of the DDI/DKI 637 */ 638 extern int _init(void); 639 extern int _fini(void); 640 extern int _info(struct modinfo *); 641 extern int mod_install(struct modlinkage *); 642 extern int mod_remove(struct modlinkage *); 643 extern int mod_info(struct modlinkage *, struct modinfo *); 644 645 #else /* _KERNEL */ 646 647 extern int modctl(int, ...); 648 649 #endif /* _KERNEL */ 650 651 /* 652 * bit definitions for moddebug. 653 */ 654 #define MODDEBUG_LOADMSG 0x80000000 /* print "[un]loading..." msg */ 655 #define MODDEBUG_ERRMSG 0x40000000 /* print detailed error msgs */ 656 #define MODDEBUG_LOADMSG2 0x20000000 /* print 2nd level msgs */ 657 #define MODDEBUG_RETIRE 0x10000000 /* print retire msgs */ 658 #define MODDEBUG_FINI_EBUSY 0x00020000 /* pretend fini returns EBUSY */ 659 #define MODDEBUG_NOAUL_IPP 0x00010000 /* no Autounloading ipp mods */ 660 #define MODDEBUG_NOAUL_DACF 0x00008000 /* no Autounloading dacf mods */ 661 #define MODDEBUG_KEEPTEXT 0x00004000 /* keep text after unloading */ 662 #define MODDEBUG_NOAUL_DRV 0x00001000 /* no Autounloading Drivers */ 663 #define MODDEBUG_NOAUL_EXEC 0x00000800 /* no Autounloading Execs */ 664 #define MODDEBUG_NOAUL_FS 0x00000400 /* no Autounloading File sys */ 665 #define MODDEBUG_NOAUL_MISC 0x00000200 /* no Autounloading misc */ 666 #define MODDEBUG_NOAUL_SCHED 0x00000100 /* no Autounloading scheds */ 667 #define MODDEBUG_NOAUL_STR 0x00000080 /* no Autounloading streams */ 668 #define MODDEBUG_NOAUL_SYS 0x00000040 /* no Autounloading syscalls */ 669 #define MODDEBUG_NOCTF 0x00000020 /* do not load CTF debug data */ 670 #define MODDEBUG_NOAUTOUNLOAD 0x00000010 /* no autounloading at all */ 671 #define MODDEBUG_DDI_MOD 0x00000008 /* ddi_mod{open,sym,close} */ 672 #define MODDEBUG_MP_MATCH 0x00000004 /* dev_minorperm */ 673 #define MODDEBUG_MINORPERM 0x00000002 /* minor perm modctls */ 674 #define MODDEBUG_USERDEBUG 0x00000001 /* bpt after init_module() */ 675 676 #ifdef __cplusplus 677 } 678 #endif 679 680 #endif /* _SYS_MODCTL_H */ 681