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re #13613 rb4516 Tunables needs volatile keyword
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--- old/usr/src/uts/common/sys/modctl.h
+++ new/usr/src/uts/common/sys/modctl.h
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
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13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21 /*
22 22 * Copyright (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved.
23 + * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
23 24 */
24 25
25 26 #ifndef _SYS_MODCTL_H
26 27 #define _SYS_MODCTL_H
27 28
28 29 /*
29 30 * loadable module support.
30 31 */
31 32
32 33 #include <sys/types.h>
33 34 #include <sys/ioccom.h>
34 35 #include <sys/nexusdefs.h>
35 36 #include <sys/thread.h>
36 37 #include <sys/t_lock.h>
37 38 #include <sys/dditypes.h>
38 39 #include <sys/hwconf.h>
39 40
40 41 #ifdef __cplusplus
41 42 extern "C" {
42 43 #endif
43 44
44 45 /*
45 46 * The following structure defines the operations used by modctl
46 47 * to load and unload modules. Each supported loadable module type
47 48 * requires a set of mod_ops.
48 49 */
49 50 struct mod_ops {
50 51 int (*modm_install)(); /* install module in kernel */
51 52 int (*modm_remove)(); /* remove from kernel */
52 53 int (*modm_info)(); /* module info */
53 54 };
54 55
55 56 #ifdef _KERNEL
56 57
57 58 /*
58 59 * The defined set of mod_ops structures for each loadable module type
59 60 * Defined in modctl.c
60 61 */
61 62 extern struct mod_ops mod_brandops;
62 63 #if defined(__i386) || defined(__amd64)
63 64 extern struct mod_ops mod_cpuops;
64 65 #endif
65 66 extern struct mod_ops mod_cryptoops;
66 67 extern struct mod_ops mod_driverops;
67 68 extern struct mod_ops mod_execops;
68 69 extern struct mod_ops mod_fsops;
69 70 extern struct mod_ops mod_miscops;
70 71 extern struct mod_ops mod_schedops;
71 72 extern struct mod_ops mod_strmodops;
72 73 extern struct mod_ops mod_syscallops;
73 74 extern struct mod_ops mod_sockmodops;
74 75 #ifdef _SYSCALL32_IMPL
75 76 extern struct mod_ops mod_syscallops32;
76 77 #endif
77 78 extern struct mod_ops mod_dacfops;
78 79 extern struct mod_ops mod_ippops;
79 80 extern struct mod_ops mod_pcbeops;
80 81 extern struct mod_ops mod_kiconvops;
81 82
82 83 #endif /* _KERNEL */
83 84
84 85 /*
85 86 * Definitions for the module specific linkage structures.
86 87 * The first two fields are the same in all of the structures.
87 88 * The linkinfo is for informational purposes only and is returned by
88 89 * modctl with the MODINFO cmd.
89 90 */
90 91
91 92 /* For drivers */
92 93 struct modldrv {
93 94 struct mod_ops *drv_modops;
94 95 char *drv_linkinfo;
95 96 struct dev_ops *drv_dev_ops;
96 97 };
97 98
98 99 /* For system calls */
99 100 struct modlsys {
100 101 struct mod_ops *sys_modops;
101 102 char *sys_linkinfo;
102 103 struct sysent *sys_sysent;
103 104 };
104 105
105 106 /* For filesystems */
106 107 struct modlfs {
107 108 struct mod_ops *fs_modops;
108 109 char *fs_linkinfo;
109 110 struct vfsdef_v5 *fs_vfsdef; /* version may actually vary */
110 111 };
111 112
112 113 #if defined(__i386) || defined(__amd64)
113 114 struct cmi_ops;
114 115
115 116 /* For CPU modules */
116 117 struct modlcpu {
117 118 struct mod_ops *cpu_modops;
118 119 char *cpu_linkinfo;
119 120 struct cmi_ops *cpu_cmiops;
120 121 };
121 122 #endif
122 123
123 124 /* For cryptographic providers */
124 125 struct modlcrypto {
125 126 struct mod_ops *crypto_modops;
126 127 char *crypto_linkinfo;
127 128 };
128 129
129 130 /* For misc */
130 131 struct modlmisc {
131 132 struct mod_ops *misc_modops;
132 133 char *misc_linkinfo;
133 134 };
134 135
135 136 /* For IP Modules */
136 137 struct modlipp {
137 138 struct mod_ops *ipp_modops;
138 139 char *ipp_linkinfo;
139 140 struct ipp_ops *ipp_ops;
140 141 };
141 142
142 143 /* For Streams Modules. */
143 144 struct modlstrmod {
144 145 struct mod_ops *strmod_modops;
145 146 char *strmod_linkinfo;
146 147 struct fmodsw *strmod_fmodsw;
147 148 };
148 149
149 150 /* For Scheduling classes */
150 151 struct modlsched {
151 152 struct mod_ops *sched_modops;
152 153 char *sched_linkinfo;
153 154 struct sclass *sched_class;
154 155 };
155 156
156 157 /* For Exec file type (like ELF, ...) */
157 158 struct modlexec {
158 159 struct mod_ops *exec_modops;
159 160 char *exec_linkinfo;
160 161 struct execsw *exec_execsw;
161 162 };
162 163
163 164 /* For dacf modules */
164 165 struct modldacf {
165 166 struct mod_ops *dacf_modops;
166 167 char *dacf_linkinfo;
167 168 struct dacfsw *dacf_dacfsw;
168 169 };
169 170
170 171 /* For PCBE modules */
171 172 struct modlpcbe {
172 173 struct mod_ops *pcbe_modops;
173 174 char *pcbe_linkinfo;
174 175 struct __pcbe_ops *pcbe_ops;
175 176 };
176 177
177 178 /* For Brand modules */
178 179 struct modlbrand {
179 180 struct mod_ops *brand_modops;
180 181 char *brand_linkinfo;
181 182 struct brand *brand_branddef;
182 183 };
183 184
184 185 /* For socket Modules. */
185 186 struct modlsockmod {
186 187 struct mod_ops *sockmod_modops;
187 188 char *sockmod_linkinfo;
188 189 struct smod_reg_s *sockmod_reg_info;
189 190 };
190 191
191 192 /* For kiconv modules */
192 193 struct modlkiconv {
193 194 struct mod_ops *kiconv_modops;
194 195 char *kiconv_linkinfo;
195 196 struct kiconv_mod_info *kiconv_moddef;
196 197 };
197 198
198 199 /*
199 200 * Revision number of loadable modules support. This is the value
200 201 * that must be used in the modlinkage structure.
201 202 */
202 203 #define MODREV_1 1
203 204
204 205 /*
205 206 * The modlinkage structure is the structure that the module writer
206 207 * provides to the routines to install, remove, and stat a module.
207 208 * The ml_linkage element is an array of pointers to linkage structures.
208 209 * For most modules there is only one linkage structure. We allocate
209 210 * enough space for 3 linkage structures which happens to be the most
210 211 * we have in any sun supplied module. For those modules with more
211 212 * than 3 linkage structures (which is very unlikely), a modlinkage
212 213 * structure must be kmem_alloc'd in the module wrapper to be big enough
213 214 * for all of the linkage structures.
214 215 */
215 216 struct modlinkage {
216 217 int ml_rev; /* rev of loadable modules system */
217 218 #ifdef _LP64
218 219 void *ml_linkage[7]; /* more space in 64-bit OS */
219 220 #else
220 221 void *ml_linkage[4]; /* NULL terminated list of */
221 222 /* linkage structures */
222 223 #endif
223 224 };
224 225
225 226 /*
226 227 * commands. These are the commands supported by the modctl system call.
227 228 */
228 229 #define MODLOAD 0
229 230 #define MODUNLOAD 1
230 231 #define MODINFO 2
231 232 #define MODRESERVED 3
232 233 #define MODSETMINIROOT 4
233 234 #define MODADDMAJBIND 5
234 235 #define MODGETPATH 6
235 236 #define MODREADSYSBIND 7
236 237 #define MODGETMAJBIND 8
237 238 #define MODGETNAME 9
238 239 #define MODSIZEOF_DEVID 10
239 240 #define MODGETDEVID 11
240 241 #define MODSIZEOF_MINORNAME 12
241 242 #define MODGETMINORNAME 13
242 243 #define MODGETPATHLEN 14
243 244 #define MODEVENTS 15
244 245 #define MODGETFBNAME 16
245 246 #define MODREREADDACF 17
246 247 #define MODLOADDRVCONF 18
247 248 #define MODUNLOADDRVCONF 19
248 249 #define MODREMMAJBIND 20
249 250 #define MODDEVT2INSTANCE 21
250 251 #define MODGETDEVFSPATH_LEN 22
251 252 #define MODGETDEVFSPATH 23
252 253 #define MODDEVID2PATHS 24
253 254 #define MODSETDEVPOLICY 26
254 255 #define MODGETDEVPOLICY 27
255 256 #define MODALLOCPRIV 28
256 257 #define MODGETDEVPOLICYBYNAME 29
257 258 #define MODLOADMINORPERM 31
258 259 #define MODADDMINORPERM 32
259 260 #define MODREMMINORPERM 33
260 261 #define MODREMDRVCLEANUP 34
261 262 #define MODDEVEXISTS 35
262 263 #define MODDEVREADDIR 36
263 264 #define MODDEVNAME 37
264 265 #define MODGETDEVFSPATH_MI_LEN 38
265 266 #define MODGETDEVFSPATH_MI 39
266 267 #define MODRETIRE 40
267 268 #define MODUNRETIRE 41
268 269 #define MODISRETIRED 42
269 270 #define MODDEVEMPTYDIR 43
270 271 #define MODREMDRVALIAS 44
271 272 #define MODHPOPS 45
272 273
273 274 /*
274 275 * sub cmds for MODEVENTS
275 276 */
276 277 #define MODEVENTS_FLUSH 0
277 278 #define MODEVENTS_FLUSH_DUMP 1
278 279 #define MODEVENTS_SET_DOOR_UPCALL_FILENAME 2
279 280 #define MODEVENTS_GETDATA 3
280 281 #define MODEVENTS_FREEDATA 4
281 282 #define MODEVENTS_POST_EVENT 5
282 283 #define MODEVENTS_REGISTER_EVENT 6
283 284
284 285 /*
285 286 * devname subcmds for MODDEVNAME
286 287 */
287 288 #define MODDEVNAME_LOOKUPDOOR 0
288 289 #define MODDEVNAME_PROFILE 3
289 290 #define MODDEVNAME_RECONFIG 4
290 291 #define MODDEVNAME_SYSAVAIL 5
291 292
292 293 /*
293 294 * subcmds for MODHPOPS
294 295 */
295 296 #define MODHPOPS_CHANGE_STATE 0
296 297 #define MODHPOPS_CREATE_PORT 1
297 298 #define MODHPOPS_REMOVE_PORT 2
298 299 #define MODHPOPS_BUS_GET 3
299 300 #define MODHPOPS_BUS_SET 4
300 301
301 302
302 303 /*
303 304 * Data structure passed to modconfig command in kernel to build devfs tree
304 305 */
305 306
306 307 struct aliases {
307 308 struct aliases *a_next;
308 309 char *a_name;
309 310 int a_len;
310 311 };
311 312
312 313 #define MAXMODCONFNAME 256
313 314
314 315 struct modconfig {
315 316 char drvname[MAXMODCONFNAME];
316 317 char drvclass[MAXMODCONFNAME];
317 318 int major;
318 319 int flags;
319 320 int num_aliases;
320 321 struct aliases *ap;
321 322 };
322 323
323 324 #if defined(_SYSCALL32)
324 325
325 326 struct aliases32 {
326 327 caddr32_t a_next;
327 328 caddr32_t a_name;
328 329 int32_t a_len;
329 330 };
330 331
331 332 struct modconfig32 {
332 333 char drvname[MAXMODCONFNAME];
333 334 char drvclass[MAXMODCONFNAME];
334 335 int32_t major;
335 336 int32_t flags;
336 337 int32_t num_aliases;
337 338 caddr32_t ap;
338 339 };
339 340
340 341 #endif /* _SYSCALL32 */
341 342
342 343 /* flags for modconfig */
343 344 #define MOD_UNBIND_OVERRIDE 0x01 /* fail unbind if in use */
344 345 #define MOD_ADDMAJBIND_UPDATE 0x02 /* update only, do not load */
345 346
346 347 /* flags for MODLOADDRVCONF - modctl_load_drvconf() */
347 348 #define MOD_LOADDRVCONF_RECONF 0x01 /* complete configuration */
348 349 /* after update-only */
349 350
350 351 /*
351 352 * Max module path length
352 353 */
353 354 #define MOD_MAXPATH 256
354 355
355 356 /*
356 357 * Default search path for modules ADDITIONAL to the directory
357 358 * where the kernel components we booted from are.
358 359 *
359 360 * Most often, this will be "/platform/{platform}/kernel /kernel /usr/kernel",
360 361 * but we don't wire it down here.
361 362 */
362 363 #define MOD_DEFPATH "/kernel /usr/kernel"
363 364
364 365 /*
365 366 * Default file name extension for autoloading modules.
366 367 */
367 368 #define MOD_DEFEXT ""
368 369
369 370 /*
370 371 * Parameters for modinfo
371 372 */
372 373 #define MODMAXNAMELEN 32 /* max module name length */
373 374 #define MODMAXLINKINFOLEN 32 /* max link info length */
374 375
375 376 /*
376 377 * Module specific information.
377 378 */
378 379 struct modspecific_info {
379 380 char msi_linkinfo[MODMAXLINKINFOLEN]; /* name in linkage struct */
380 381 int msi_p0; /* module specific information */
381 382 };
382 383
383 384 /*
384 385 * Structure returned by modctl with MODINFO command.
385 386 */
386 387 #define MODMAXLINK 10 /* max linkages modinfo can handle */
387 388
388 389 struct modinfo {
389 390 int mi_info; /* Flags for info wanted */
390 391 int mi_state; /* Flags for module state */
391 392 int mi_id; /* id of this loaded module */
392 393 int mi_nextid; /* id of next module or -1 */
393 394 caddr_t mi_base; /* virtual addr of text */
394 395 size_t mi_size; /* size of module in bytes */
395 396 int mi_rev; /* loadable modules rev */
396 397 int mi_loadcnt; /* # of times loaded */
397 398 char mi_name[MODMAXNAMELEN]; /* name of module */
398 399 struct modspecific_info mi_msinfo[MODMAXLINK];
399 400 /* mod specific info */
400 401 };
401 402
402 403
403 404 #if defined(_SYSCALL32)
404 405
405 406 #define MODMAXNAMELEN32 32 /* max module name length */
406 407 #define MODMAXLINKINFOLEN32 32 /* max link info length */
407 408 #define MODMAXLINK32 10 /* max linkages modinfo can handle */
408 409
409 410 struct modspecific_info32 {
410 411 char msi_linkinfo[MODMAXLINKINFOLEN32]; /* name in linkage struct */
411 412 int32_t msi_p0; /* module specific information */
412 413 };
413 414
414 415 struct modinfo32 {
415 416 int32_t mi_info; /* Flags for info wanted */
416 417 int32_t mi_state; /* Flags for module state */
417 418 int32_t mi_id; /* id of this loaded module */
418 419 int32_t mi_nextid; /* id of next module or -1 */
419 420 caddr32_t mi_base; /* virtual addr of text */
420 421 uint32_t mi_size; /* size of module in bytes */
421 422 int32_t mi_rev; /* loadable modules rev */
422 423 int32_t mi_loadcnt; /* # of times loaded */
423 424 char mi_name[MODMAXNAMELEN32]; /* name of module */
424 425 struct modspecific_info32 mi_msinfo[MODMAXLINK32];
425 426 /* mod specific info */
426 427 };
427 428
428 429 #endif /* _SYSCALL32 */
429 430
430 431 /* Values for mi_info flags */
431 432 #define MI_INFO_ONE 1
432 433 #define MI_INFO_ALL 2
433 434 #define MI_INFO_CNT 4
434 435 #ifdef _KERNEL
435 436 #define MI_INFO_LINKAGE 8 /* used internally to extract modlinkage */
436 437 #endif
437 438 /*
438 439 * MI_INFO_NOBASE indicates caller does not need mi_base. Failure to use this
439 440 * flag may lead 32-bit apps to receive an EOVERFLOW error from modctl(MODINFO)
440 441 * when used with a 64-bit kernel.
441 442 */
442 443 #define MI_INFO_NOBASE 16
443 444
444 445 /* Values for mi_state */
445 446 #define MI_LOADED 1
446 447 #define MI_INSTALLED 2
447 448
448 449 /*
449 450 * Macros to vector to the appropriate module specific routine.
450 451 */
451 452 #define MODL_INSTALL(MODL, MODLP) \
452 453 (*(MODL)->misc_modops->modm_install)(MODL, MODLP)
453 454 #define MODL_REMOVE(MODL, MODLP) \
454 455 (*(MODL)->misc_modops->modm_remove)(MODL, MODLP)
455 456 #define MODL_INFO(MODL, MODLP, P0) \
456 457 (*(MODL)->misc_modops->modm_info)(MODL, MODLP, P0)
457 458
458 459 /*
459 460 * Definitions for stubs
460 461 */
461 462 struct mod_stub_info {
462 463 uintptr_t mods_func_adr;
463 464 struct mod_modinfo *mods_modinfo;
464 465 uintptr_t mods_stub_adr;
465 466 int (*mods_errfcn)();
466 467 int mods_flag; /* flags defined below */
467 468 };
468 469
469 470 /*
470 471 * Definitions for mods_flag.
471 472 */
472 473 #define MODS_WEAK 0x01 /* weak stub (not loaded if called) */
473 474 #define MODS_NOUNLOAD 0x02 /* module not unloadable (no _fini()) */
474 475 #define MODS_INSTALLED 0x10 /* module installed */
475 476
476 477 struct mod_modinfo {
477 478 char *modm_module_name;
478 479 struct modctl *mp;
479 480 struct mod_stub_info modm_stubs[1];
480 481 };
481 482
482 483 struct modctl_list {
483 484 struct modctl_list *modl_next;
484 485 struct modctl *modl_modp;
485 486 };
486 487
487 488 /*
488 489 * Structure to manage a loadable module.
489 490 * Note: the module (mod_mp) structure's "text" and "text_size" information
490 491 * are replicated in the modctl structure so that mod_containing_pc()
491 492 * doesn't have to grab any locks (modctls are persistent; modules are not.)
492 493 */
493 494 typedef struct modctl {
494 495 struct modctl *mod_next; /* &modules based list */
495 496 struct modctl *mod_prev;
496 497 int mod_id;
497 498 void *mod_mp;
498 499 kthread_t *mod_inprogress_thread;
499 500 struct mod_modinfo *mod_modinfo;
500 501 struct modlinkage *mod_linkage;
501 502 char *mod_filename;
502 503 char *mod_modname;
503 504
504 505 char mod_busy; /* inprogress_thread has locked */
505 506 char mod_want; /* someone waiting for unlock */
506 507 char mod_prim; /* primary module */
507 508
508 509 int mod_ref; /* ref count - from dependent or stub */
509 510
510 511 char mod_loaded; /* module in memory */
511 512 char mod_installed; /* post _init pre _fini */
512 513 char mod_loadflags;
513 514 char mod_delay_unload; /* deferred unload */
514 515
515 516 struct modctl_list *mod_requisites; /* mods this one depends on. */
516 517 void *mod_unused; /* NOTE: reuse (same size) is OK, */
517 518 /* deletion causes mdb.vs.core issues */
518 519 int mod_loadcnt; /* number of times mod was loaded */
519 520 int mod_nenabled; /* # of enabled DTrace probes in mod */
520 521 char *mod_text;
521 522 size_t mod_text_size;
522 523
523 524 int mod_gencount; /* # times loaded/unloaded */
524 525 struct modctl *mod_requisite_loading; /* mod circular dependency */
525 526 } modctl_t;
526 527
527 528 /*
528 529 * mod_loadflags
529 530 */
530 531
531 532 #define MOD_NOAUTOUNLOAD 0x1 /* Auto mod-unloader skips this mod */
532 533 #define MOD_NONOTIFY 0x2 /* No krtld notifications on (un)load */
533 534 #define MOD_NOUNLOAD 0x4 /* Assume EBUSY for all _fini's */
534 535
535 536
536 537 #ifdef _KERNEL
537 538
538 539 #define MOD_BIND_HASHSIZE 64
539 540 #define MOD_BIND_HASHMASK (MOD_BIND_HASHSIZE-1)
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540 541
541 542 typedef int modid_t;
542 543
543 544 /*
544 545 * global function and data declarations
545 546 */
546 547 extern kmutex_t mod_lock;
547 548
548 549 extern char *systemfile;
549 550 extern char **syscallnames;
550 -extern int moddebug;
551 +extern volatile int moddebug;
551 552
552 553 /*
553 554 * this is the head of a doubly linked list. Only the next and prev
554 555 * pointers are used
555 556 */
556 557 extern modctl_t modules;
557 558
558 559 extern int modload_qualified(const char *,
559 560 const char *, const char *, const char *, uint_t[], int, int *);
560 561
561 562 extern void mod_setup(void);
562 563 extern int modload(const char *, const char *);
563 564 extern int modloadonly(const char *, const char *);
564 565 extern int modunload(int);
565 566 extern int mod_hold_stub(struct mod_stub_info *);
566 567 extern void modunload_disable(void);
567 568 extern void modunload_enable(void);
568 569 extern void modunload_begin(void);
569 570 extern void modunload_end(void);
570 571 extern int mod_remove_by_name(char *);
571 572 extern int mod_sysvar(const char *, const char *, u_longlong_t *);
572 573 extern int mod_sysctl(int, void *);
573 574 struct sysparam;
574 575 extern int mod_hold_by_modctl(modctl_t *, int);
575 576 #define MOD_WAIT_ONCE 0x01
576 577 #define MOD_WAIT_FOREVER 0x02
577 578 #define MOD_LOCK_HELD 0x04
578 579 #define MOD_LOCK_NOT_HELD 0x08
579 580 extern int mod_sysctl_type(int, int (*)(struct sysparam *, void *),
580 581 void *);
581 582 extern void mod_read_system_file(int);
582 583 extern void mod_release_stub(struct mod_stub_info *);
583 584 extern void mod_askparams(void);
584 585 extern void mod_uninstall_daemon(void);
585 586 extern void modreap(void);
586 587 extern modctl_t *mod_hold_by_id(modid_t);
587 588 extern modctl_t *mod_hold_by_name(const char *);
588 589 extern void mod_release_mod(modctl_t *);
589 590 extern uintptr_t modlookup(const char *, const char *);
590 591 extern uintptr_t modlookup_by_modctl(modctl_t *, const char *);
591 592 extern char *modgetsymname(uintptr_t, unsigned long *);
592 593 extern void mod_release_requisites(modctl_t *);
593 594 extern modctl_t *mod_load_requisite(modctl_t *, char *);
594 595 extern modctl_t *mod_find_by_filename(char *, char *);
595 596 extern uintptr_t modgetsymvalue(char *, int);
596 597
597 598 extern int major_valid(major_t);
598 599 extern int driver_installed(major_t);
599 600 extern int driver_active(major_t);
600 601
601 602 extern void mod_rele_dev_by_major(major_t);
602 603 extern struct dev_ops *mod_hold_dev_by_major(major_t);
603 604 extern struct dev_ops *mod_hold_dev_by_devi(dev_info_t *);
604 605 extern void mod_rele_dev_by_devi(dev_info_t *);
605 606
606 607 extern int make_devname(char *, major_t, int);
607 608 extern int gmatch(const char *, const char *);
608 609
609 610 extern void make_aliases(struct bind **);
610 611 extern int read_binding_file(char *, struct bind **,
611 612 int (*line_parser)(char *, int, char *, struct bind **));
612 613 extern void clear_binding_hash(struct bind **);
613 614
614 615 extern void read_class_file(void);
615 616 extern void setbootpath(char *);
616 617 extern void setbootfstype(char *);
617 618
618 619 extern int install_stubs_by_name(modctl_t *, char *);
619 620 extern void install_stubs(modctl_t *);
620 621 extern void uninstall_stubs(modctl_t *);
621 622 extern void reset_stubs(modctl_t *);
622 623 extern modctl_t *mod_getctl(struct modlinkage *);
623 624 extern major_t mod_name_to_major(char *);
624 625 extern modid_t mod_name_to_modid(char *);
625 626 extern char *mod_major_to_name(major_t);
626 627 extern void init_devnamesp(int);
627 628 extern void init_syscallnames(int);
628 629
629 630 extern char *mod_getsysname(int);
630 631 extern int mod_getsysnum(char *);
631 632
632 633 extern char *mod_containing_pc(caddr_t);
633 634 extern int mod_in_autounload(void);
634 635 extern const char *mod_modname(struct modlinkage *);
635 636
636 637 extern int dev_minorperm(dev_info_t *, char *, mperm_t *);
637 638 extern void dev_devices_cleanup(void);
638 639
639 640 /*
640 641 * Declarations used for dynamic linking support routines. Interfaces
641 642 * are marked with the pragma "unknown_control_flow" to prevent tail call
642 643 * optimization, so that implementations can reliably use caller() to
643 644 * determine initiating module.
644 645 */
645 646 #define KRTLD_MODE_FIRST 0x0001
646 647 typedef struct __ddi_modhandle *ddi_modhandle_t;
647 648 extern ddi_modhandle_t ddi_modopen(const char *,
648 649 int, int *);
649 650 extern void *ddi_modsym(ddi_modhandle_t,
650 651 const char *, int *);
651 652 extern int ddi_modclose(ddi_modhandle_t);
652 653 #pragma unknown_control_flow(ddi_modopen, ddi_modsym, ddi_modclose)
653 654
654 655 /*
655 656 * Only the following are part of the DDI/DKI
656 657 */
657 658 extern int _init(void);
658 659 extern int _fini(void);
659 660 extern int _info(struct modinfo *);
660 661 extern int mod_install(struct modlinkage *);
661 662 extern int mod_remove(struct modlinkage *);
662 663 extern int mod_info(struct modlinkage *, struct modinfo *);
663 664
664 665 #else /* _KERNEL */
665 666
666 667 extern int modctl(int, ...);
667 668
668 669 #endif /* _KERNEL */
669 670
670 671 /*
671 672 * bit definitions for moddebug.
672 673 */
673 674 #define MODDEBUG_LOADMSG 0x80000000 /* print "[un]loading..." msg */
674 675 #define MODDEBUG_ERRMSG 0x40000000 /* print detailed error msgs */
675 676 #define MODDEBUG_LOADMSG2 0x20000000 /* print 2nd level msgs */
676 677 #define MODDEBUG_RETIRE 0x10000000 /* print retire msgs */
677 678 #define MODDEBUG_BINDING 0x00040000 /* driver/alias binding */
678 679 #define MODDEBUG_FINI_EBUSY 0x00020000 /* pretend fini returns EBUSY */
679 680 #define MODDEBUG_NOAUL_IPP 0x00010000 /* no Autounloading ipp mods */
680 681 #define MODDEBUG_NOAUL_DACF 0x00008000 /* no Autounloading dacf mods */
681 682 #define MODDEBUG_KEEPTEXT 0x00004000 /* keep text after unloading */
682 683 #define MODDEBUG_NOAUL_DRV 0x00001000 /* no Autounloading Drivers */
683 684 #define MODDEBUG_NOAUL_EXEC 0x00000800 /* no Autounloading Execs */
684 685 #define MODDEBUG_NOAUL_FS 0x00000400 /* no Autounloading File sys */
685 686 #define MODDEBUG_NOAUL_MISC 0x00000200 /* no Autounloading misc */
686 687 #define MODDEBUG_NOAUL_SCHED 0x00000100 /* no Autounloading scheds */
687 688 #define MODDEBUG_NOAUL_STR 0x00000080 /* no Autounloading streams */
688 689 #define MODDEBUG_NOAUL_SYS 0x00000040 /* no Autounloading syscalls */
689 690 #define MODDEBUG_NOCTF 0x00000020 /* do not load CTF debug data */
690 691 #define MODDEBUG_NOAUTOUNLOAD 0x00000010 /* no autounloading at all */
691 692 #define MODDEBUG_DDI_MOD 0x00000008 /* ddi_mod{open,sym,close} */
692 693 #define MODDEBUG_MP_MATCH 0x00000004 /* dev_minorperm */
693 694 #define MODDEBUG_MINORPERM 0x00000002 /* minor perm modctls */
694 695 #define MODDEBUG_USERDEBUG 0x00000001 /* bpt after init_module() */
695 696
696 697 #ifdef __cplusplus
697 698 }
698 699 #endif
699 700
700 701 #endif /* _SYS_MODCTL_H */
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