2 * Copyright (c) 1991 The Regents of the University of California.
3 * Copyright (c) 1996, by Steve Passe. All rights reserved.
4 * Copyright (c) 2005,2008 The DragonFly Project. All rights reserved.
7 * This code is derived from software contributed to The DragonFly Project
8 * by Matthew Dillon <dillon@backplane.com>
10 * This code is derived from software contributed to Berkeley by
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in
21 * the documentation and/or other materials provided with the
23 * 3. Neither the name of The DragonFly Project nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific, prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
30 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
31 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
32 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
33 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
34 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
35 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
36 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
37 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
41 #include <sys/param.h>
42 #include <sys/systm.h>
43 #include <sys/kernel.h>
44 #include <sys/machintr.h>
45 #include <sys/interrupt.h>
48 #include <sys/thread2.h>
50 #include <machine/smp.h>
51 #include <machine/segments.h>
52 #include <machine/md_var.h>
53 #include <machine/intr_machdep.h>
54 #include <machine/globaldata.h>
55 #include <machine/msi_var.h>
57 #include <machine_base/isa/isa_intr.h>
58 #include <machine_base/icu/icu.h>
59 #include <machine_base/icu/icu_var.h>
60 #include <machine_base/apic/ioapic.h>
61 #include <machine_base/apic/ioapic_abi.h>
62 #include <machine_base/apic/ioapic_ipl.h>
63 #include <machine_base/apic/apicreg.h>
65 #include <dev/acpica/acpi_sci_var.h>
67 #define IOAPIC_HWI_VECTORS IDT_HWI_VECTORS
80 IDTVEC(ioapic_intr10),
81 IDTVEC(ioapic_intr11),
82 IDTVEC(ioapic_intr12),
83 IDTVEC(ioapic_intr13),
84 IDTVEC(ioapic_intr14),
85 IDTVEC(ioapic_intr15),
86 IDTVEC(ioapic_intr16),
87 IDTVEC(ioapic_intr17),
88 IDTVEC(ioapic_intr18),
89 IDTVEC(ioapic_intr19),
90 IDTVEC(ioapic_intr20),
91 IDTVEC(ioapic_intr21),
92 IDTVEC(ioapic_intr22),
93 IDTVEC(ioapic_intr23),
94 IDTVEC(ioapic_intr24),
95 IDTVEC(ioapic_intr25),
96 IDTVEC(ioapic_intr26),
97 IDTVEC(ioapic_intr27),
98 IDTVEC(ioapic_intr28),
99 IDTVEC(ioapic_intr29),
100 IDTVEC(ioapic_intr30),
101 IDTVEC(ioapic_intr31),
102 IDTVEC(ioapic_intr32),
103 IDTVEC(ioapic_intr33),
104 IDTVEC(ioapic_intr34),
105 IDTVEC(ioapic_intr35),
106 IDTVEC(ioapic_intr36),
107 IDTVEC(ioapic_intr37),
108 IDTVEC(ioapic_intr38),
109 IDTVEC(ioapic_intr39),
110 IDTVEC(ioapic_intr40),
111 IDTVEC(ioapic_intr41),
112 IDTVEC(ioapic_intr42),
113 IDTVEC(ioapic_intr43),
114 IDTVEC(ioapic_intr44),
115 IDTVEC(ioapic_intr45),
116 IDTVEC(ioapic_intr46),
117 IDTVEC(ioapic_intr47),
118 IDTVEC(ioapic_intr48),
119 IDTVEC(ioapic_intr49),
120 IDTVEC(ioapic_intr50),
121 IDTVEC(ioapic_intr51),
122 IDTVEC(ioapic_intr52),
123 IDTVEC(ioapic_intr53),
124 IDTVEC(ioapic_intr54),
125 IDTVEC(ioapic_intr55),
126 IDTVEC(ioapic_intr56),
127 IDTVEC(ioapic_intr57),
128 IDTVEC(ioapic_intr58),
129 IDTVEC(ioapic_intr59),
130 IDTVEC(ioapic_intr60),
131 IDTVEC(ioapic_intr61),
132 IDTVEC(ioapic_intr62),
133 IDTVEC(ioapic_intr63),
134 IDTVEC(ioapic_intr64),
135 IDTVEC(ioapic_intr65),
136 IDTVEC(ioapic_intr66),
137 IDTVEC(ioapic_intr67),
138 IDTVEC(ioapic_intr68),
139 IDTVEC(ioapic_intr69),
140 IDTVEC(ioapic_intr70),
141 IDTVEC(ioapic_intr71),
142 IDTVEC(ioapic_intr72),
143 IDTVEC(ioapic_intr73),
144 IDTVEC(ioapic_intr74),
145 IDTVEC(ioapic_intr75),
146 IDTVEC(ioapic_intr76),
147 IDTVEC(ioapic_intr77),
148 IDTVEC(ioapic_intr78),
149 IDTVEC(ioapic_intr79),
150 IDTVEC(ioapic_intr80),
151 IDTVEC(ioapic_intr81),
152 IDTVEC(ioapic_intr82),
153 IDTVEC(ioapic_intr83),
154 IDTVEC(ioapic_intr84),
155 IDTVEC(ioapic_intr85),
156 IDTVEC(ioapic_intr86),
157 IDTVEC(ioapic_intr87),
158 IDTVEC(ioapic_intr88),
159 IDTVEC(ioapic_intr89),
160 IDTVEC(ioapic_intr90),
161 IDTVEC(ioapic_intr91),
162 IDTVEC(ioapic_intr92),
163 IDTVEC(ioapic_intr93),
164 IDTVEC(ioapic_intr94),
165 IDTVEC(ioapic_intr95),
166 IDTVEC(ioapic_intr96),
167 IDTVEC(ioapic_intr97),
168 IDTVEC(ioapic_intr98),
169 IDTVEC(ioapic_intr99),
170 IDTVEC(ioapic_intr100),
171 IDTVEC(ioapic_intr101),
172 IDTVEC(ioapic_intr102),
173 IDTVEC(ioapic_intr103),
174 IDTVEC(ioapic_intr104),
175 IDTVEC(ioapic_intr105),
176 IDTVEC(ioapic_intr106),
177 IDTVEC(ioapic_intr107),
178 IDTVEC(ioapic_intr108),
179 IDTVEC(ioapic_intr109),
180 IDTVEC(ioapic_intr110),
181 IDTVEC(ioapic_intr111),
182 IDTVEC(ioapic_intr112),
183 IDTVEC(ioapic_intr113),
184 IDTVEC(ioapic_intr114),
185 IDTVEC(ioapic_intr115),
186 IDTVEC(ioapic_intr116),
187 IDTVEC(ioapic_intr117),
188 IDTVEC(ioapic_intr118),
189 IDTVEC(ioapic_intr119),
190 IDTVEC(ioapic_intr120),
191 IDTVEC(ioapic_intr121),
192 IDTVEC(ioapic_intr122),
193 IDTVEC(ioapic_intr123),
194 IDTVEC(ioapic_intr124),
195 IDTVEC(ioapic_intr125),
196 IDTVEC(ioapic_intr126),
197 IDTVEC(ioapic_intr127),
198 IDTVEC(ioapic_intr128),
199 IDTVEC(ioapic_intr129),
200 IDTVEC(ioapic_intr130),
201 IDTVEC(ioapic_intr131),
202 IDTVEC(ioapic_intr132),
203 IDTVEC(ioapic_intr133),
204 IDTVEC(ioapic_intr134),
205 IDTVEC(ioapic_intr135),
206 IDTVEC(ioapic_intr136),
207 IDTVEC(ioapic_intr137),
208 IDTVEC(ioapic_intr138),
209 IDTVEC(ioapic_intr139),
210 IDTVEC(ioapic_intr140),
211 IDTVEC(ioapic_intr141),
212 IDTVEC(ioapic_intr142),
213 IDTVEC(ioapic_intr143),
214 IDTVEC(ioapic_intr144),
215 IDTVEC(ioapic_intr145),
216 IDTVEC(ioapic_intr146),
217 IDTVEC(ioapic_intr147),
218 IDTVEC(ioapic_intr148),
219 IDTVEC(ioapic_intr149),
220 IDTVEC(ioapic_intr150),
221 IDTVEC(ioapic_intr151),
222 IDTVEC(ioapic_intr152),
223 IDTVEC(ioapic_intr153),
224 IDTVEC(ioapic_intr154),
225 IDTVEC(ioapic_intr155),
226 IDTVEC(ioapic_intr156),
227 IDTVEC(ioapic_intr157),
228 IDTVEC(ioapic_intr158),
229 IDTVEC(ioapic_intr159),
230 IDTVEC(ioapic_intr160),
231 IDTVEC(ioapic_intr161),
232 IDTVEC(ioapic_intr162),
233 IDTVEC(ioapic_intr163),
234 IDTVEC(ioapic_intr164),
235 IDTVEC(ioapic_intr165),
236 IDTVEC(ioapic_intr166),
237 IDTVEC(ioapic_intr167),
238 IDTVEC(ioapic_intr168),
239 IDTVEC(ioapic_intr169),
240 IDTVEC(ioapic_intr170),
241 IDTVEC(ioapic_intr171),
242 IDTVEC(ioapic_intr172),
243 IDTVEC(ioapic_intr173),
244 IDTVEC(ioapic_intr174),
245 IDTVEC(ioapic_intr175),
246 IDTVEC(ioapic_intr176),
247 IDTVEC(ioapic_intr177),
248 IDTVEC(ioapic_intr178),
249 IDTVEC(ioapic_intr179),
250 IDTVEC(ioapic_intr180),
251 IDTVEC(ioapic_intr181),
252 IDTVEC(ioapic_intr182),
253 IDTVEC(ioapic_intr183),
254 IDTVEC(ioapic_intr184),
255 IDTVEC(ioapic_intr185),
256 IDTVEC(ioapic_intr186),
257 IDTVEC(ioapic_intr187),
258 IDTVEC(ioapic_intr188),
259 IDTVEC(ioapic_intr189),
260 IDTVEC(ioapic_intr190),
261 IDTVEC(ioapic_intr191);
263 static inthand_t *ioapic_intr[IOAPIC_HWI_VECTORS] = {
264 &IDTVEC(ioapic_intr0),
265 &IDTVEC(ioapic_intr1),
266 &IDTVEC(ioapic_intr2),
267 &IDTVEC(ioapic_intr3),
268 &IDTVEC(ioapic_intr4),
269 &IDTVEC(ioapic_intr5),
270 &IDTVEC(ioapic_intr6),
271 &IDTVEC(ioapic_intr7),
272 &IDTVEC(ioapic_intr8),
273 &IDTVEC(ioapic_intr9),
274 &IDTVEC(ioapic_intr10),
275 &IDTVEC(ioapic_intr11),
276 &IDTVEC(ioapic_intr12),
277 &IDTVEC(ioapic_intr13),
278 &IDTVEC(ioapic_intr14),
279 &IDTVEC(ioapic_intr15),
280 &IDTVEC(ioapic_intr16),
281 &IDTVEC(ioapic_intr17),
282 &IDTVEC(ioapic_intr18),
283 &IDTVEC(ioapic_intr19),
284 &IDTVEC(ioapic_intr20),
285 &IDTVEC(ioapic_intr21),
286 &IDTVEC(ioapic_intr22),
287 &IDTVEC(ioapic_intr23),
288 &IDTVEC(ioapic_intr24),
289 &IDTVEC(ioapic_intr25),
290 &IDTVEC(ioapic_intr26),
291 &IDTVEC(ioapic_intr27),
292 &IDTVEC(ioapic_intr28),
293 &IDTVEC(ioapic_intr29),
294 &IDTVEC(ioapic_intr30),
295 &IDTVEC(ioapic_intr31),
296 &IDTVEC(ioapic_intr32),
297 &IDTVEC(ioapic_intr33),
298 &IDTVEC(ioapic_intr34),
299 &IDTVEC(ioapic_intr35),
300 &IDTVEC(ioapic_intr36),
301 &IDTVEC(ioapic_intr37),
302 &IDTVEC(ioapic_intr38),
303 &IDTVEC(ioapic_intr39),
304 &IDTVEC(ioapic_intr40),
305 &IDTVEC(ioapic_intr41),
306 &IDTVEC(ioapic_intr42),
307 &IDTVEC(ioapic_intr43),
308 &IDTVEC(ioapic_intr44),
309 &IDTVEC(ioapic_intr45),
310 &IDTVEC(ioapic_intr46),
311 &IDTVEC(ioapic_intr47),
312 &IDTVEC(ioapic_intr48),
313 &IDTVEC(ioapic_intr49),
314 &IDTVEC(ioapic_intr50),
315 &IDTVEC(ioapic_intr51),
316 &IDTVEC(ioapic_intr52),
317 &IDTVEC(ioapic_intr53),
318 &IDTVEC(ioapic_intr54),
319 &IDTVEC(ioapic_intr55),
320 &IDTVEC(ioapic_intr56),
321 &IDTVEC(ioapic_intr57),
322 &IDTVEC(ioapic_intr58),
323 &IDTVEC(ioapic_intr59),
324 &IDTVEC(ioapic_intr60),
325 &IDTVEC(ioapic_intr61),
326 &IDTVEC(ioapic_intr62),
327 &IDTVEC(ioapic_intr63),
328 &IDTVEC(ioapic_intr64),
329 &IDTVEC(ioapic_intr65),
330 &IDTVEC(ioapic_intr66),
331 &IDTVEC(ioapic_intr67),
332 &IDTVEC(ioapic_intr68),
333 &IDTVEC(ioapic_intr69),
334 &IDTVEC(ioapic_intr70),
335 &IDTVEC(ioapic_intr71),
336 &IDTVEC(ioapic_intr72),
337 &IDTVEC(ioapic_intr73),
338 &IDTVEC(ioapic_intr74),
339 &IDTVEC(ioapic_intr75),
340 &IDTVEC(ioapic_intr76),
341 &IDTVEC(ioapic_intr77),
342 &IDTVEC(ioapic_intr78),
343 &IDTVEC(ioapic_intr79),
344 &IDTVEC(ioapic_intr80),
345 &IDTVEC(ioapic_intr81),
346 &IDTVEC(ioapic_intr82),
347 &IDTVEC(ioapic_intr83),
348 &IDTVEC(ioapic_intr84),
349 &IDTVEC(ioapic_intr85),
350 &IDTVEC(ioapic_intr86),
351 &IDTVEC(ioapic_intr87),
352 &IDTVEC(ioapic_intr88),
353 &IDTVEC(ioapic_intr89),
354 &IDTVEC(ioapic_intr90),
355 &IDTVEC(ioapic_intr91),
356 &IDTVEC(ioapic_intr92),
357 &IDTVEC(ioapic_intr93),
358 &IDTVEC(ioapic_intr94),
359 &IDTVEC(ioapic_intr95),
360 &IDTVEC(ioapic_intr96),
361 &IDTVEC(ioapic_intr97),
362 &IDTVEC(ioapic_intr98),
363 &IDTVEC(ioapic_intr99),
364 &IDTVEC(ioapic_intr100),
365 &IDTVEC(ioapic_intr101),
366 &IDTVEC(ioapic_intr102),
367 &IDTVEC(ioapic_intr103),
368 &IDTVEC(ioapic_intr104),
369 &IDTVEC(ioapic_intr105),
370 &IDTVEC(ioapic_intr106),
371 &IDTVEC(ioapic_intr107),
372 &IDTVEC(ioapic_intr108),
373 &IDTVEC(ioapic_intr109),
374 &IDTVEC(ioapic_intr110),
375 &IDTVEC(ioapic_intr111),
376 &IDTVEC(ioapic_intr112),
377 &IDTVEC(ioapic_intr113),
378 &IDTVEC(ioapic_intr114),
379 &IDTVEC(ioapic_intr115),
380 &IDTVEC(ioapic_intr116),
381 &IDTVEC(ioapic_intr117),
382 &IDTVEC(ioapic_intr118),
383 &IDTVEC(ioapic_intr119),
384 &IDTVEC(ioapic_intr120),
385 &IDTVEC(ioapic_intr121),
386 &IDTVEC(ioapic_intr122),
387 &IDTVEC(ioapic_intr123),
388 &IDTVEC(ioapic_intr124),
389 &IDTVEC(ioapic_intr125),
390 &IDTVEC(ioapic_intr126),
391 &IDTVEC(ioapic_intr127),
392 &IDTVEC(ioapic_intr128),
393 &IDTVEC(ioapic_intr129),
394 &IDTVEC(ioapic_intr130),
395 &IDTVEC(ioapic_intr131),
396 &IDTVEC(ioapic_intr132),
397 &IDTVEC(ioapic_intr133),
398 &IDTVEC(ioapic_intr134),
399 &IDTVEC(ioapic_intr135),
400 &IDTVEC(ioapic_intr136),
401 &IDTVEC(ioapic_intr137),
402 &IDTVEC(ioapic_intr138),
403 &IDTVEC(ioapic_intr139),
404 &IDTVEC(ioapic_intr140),
405 &IDTVEC(ioapic_intr141),
406 &IDTVEC(ioapic_intr142),
407 &IDTVEC(ioapic_intr143),
408 &IDTVEC(ioapic_intr144),
409 &IDTVEC(ioapic_intr145),
410 &IDTVEC(ioapic_intr146),
411 &IDTVEC(ioapic_intr147),
412 &IDTVEC(ioapic_intr148),
413 &IDTVEC(ioapic_intr149),
414 &IDTVEC(ioapic_intr150),
415 &IDTVEC(ioapic_intr151),
416 &IDTVEC(ioapic_intr152),
417 &IDTVEC(ioapic_intr153),
418 &IDTVEC(ioapic_intr154),
419 &IDTVEC(ioapic_intr155),
420 &IDTVEC(ioapic_intr156),
421 &IDTVEC(ioapic_intr157),
422 &IDTVEC(ioapic_intr158),
423 &IDTVEC(ioapic_intr159),
424 &IDTVEC(ioapic_intr160),
425 &IDTVEC(ioapic_intr161),
426 &IDTVEC(ioapic_intr162),
427 &IDTVEC(ioapic_intr163),
428 &IDTVEC(ioapic_intr164),
429 &IDTVEC(ioapic_intr165),
430 &IDTVEC(ioapic_intr166),
431 &IDTVEC(ioapic_intr167),
432 &IDTVEC(ioapic_intr168),
433 &IDTVEC(ioapic_intr169),
434 &IDTVEC(ioapic_intr170),
435 &IDTVEC(ioapic_intr171),
436 &IDTVEC(ioapic_intr172),
437 &IDTVEC(ioapic_intr173),
438 &IDTVEC(ioapic_intr174),
439 &IDTVEC(ioapic_intr175),
440 &IDTVEC(ioapic_intr176),
441 &IDTVEC(ioapic_intr177),
442 &IDTVEC(ioapic_intr178),
443 &IDTVEC(ioapic_intr179),
444 &IDTVEC(ioapic_intr180),
445 &IDTVEC(ioapic_intr181),
446 &IDTVEC(ioapic_intr182),
447 &IDTVEC(ioapic_intr183),
448 &IDTVEC(ioapic_intr184),
449 &IDTVEC(ioapic_intr185),
450 &IDTVEC(ioapic_intr186),
451 &IDTVEC(ioapic_intr187),
452 &IDTVEC(ioapic_intr188),
453 &IDTVEC(ioapic_intr189),
454 &IDTVEC(ioapic_intr190),
455 &IDTVEC(ioapic_intr191)
458 #define IOAPIC_HWI_SYSCALL (IDT_OFFSET_SYSCALL - IDT_OFFSET)
460 static struct ioapic_irqmap {
461 int im_type; /* IOAPIC_IMT_ */
462 enum intr_trigger im_trig;
463 enum intr_polarity im_pola;
466 uint32_t im_flags; /* IOAPIC_IMF_ */
467 } ioapic_irqmaps[MAXCPU][IOAPIC_HWI_VECTORS];
469 static struct lwkt_token ioapic_irqmap_tok =
470 LWKT_TOKEN_INITIALIZER(ioapic_irqmap_token);
472 #define IOAPIC_IMT_UNUSED 0
473 #define IOAPIC_IMT_RESERVED 1
474 #define IOAPIC_IMT_LEGACY 2
475 #define IOAPIC_IMT_SYSCALL 3
476 #define IOAPIC_IMT_MSI 4
477 #define IOAPIC_IMT_MSIX 5
479 #define IOAPIC_IMT_ISHWI(map) ((map)->im_type != IOAPIC_IMT_RESERVED && \
480 (map)->im_type != IOAPIC_IMT_SYSCALL)
482 #define IOAPIC_IMF_CONF 0x1
484 extern void IOAPIC_INTREN(int);
485 extern void IOAPIC_INTRDIS(int);
487 extern int imcr_present;
489 static void ioapic_abi_intr_enable(int);
490 static void ioapic_abi_intr_disable(int);
491 static void ioapic_abi_intr_setup(int, int);
492 static void ioapic_abi_intr_teardown(int);
494 static void ioapic_abi_legacy_intr_config(int,
495 enum intr_trigger, enum intr_polarity);
496 static int ioapic_abi_legacy_intr_cpuid(int);
497 static int ioapic_abi_legacy_intr_find(int,
498 enum intr_trigger, enum intr_polarity);
499 static int ioapic_abi_legacy_intr_find_bygsi(int,
500 enum intr_trigger, enum intr_polarity);
502 static int ioapic_abi_msi_alloc(int [], int, int);
503 static void ioapic_abi_msi_release(const int [], int, int);
504 static void ioapic_abi_msi_map(int, uint64_t *, uint32_t *, int);
505 static int ioapic_abi_msix_alloc(int *, int);
506 static void ioapic_abi_msix_release(int, int);
508 static int ioapic_abi_msi_alloc_intern(int, const char *,
510 static void ioapic_abi_msi_release_intern(int, const char *,
511 const int [], int, int);
513 static void ioapic_abi_finalize(void);
514 static void ioapic_abi_cleanup(void);
515 static void ioapic_abi_setdefault(void);
516 static void ioapic_abi_stabilize(void);
517 static void ioapic_abi_initmap(void);
518 static void ioapic_abi_rman_setup(struct rman *);
520 static int ioapic_abi_gsi_cpuid(int, int);
521 static int ioapic_find_unused_irqmap(int);
523 struct machintr_abi MachIntrABI_IOAPIC = {
525 .intr_disable = ioapic_abi_intr_disable,
526 .intr_enable = ioapic_abi_intr_enable,
527 .intr_setup = ioapic_abi_intr_setup,
528 .intr_teardown = ioapic_abi_intr_teardown,
530 .legacy_intr_config = ioapic_abi_legacy_intr_config,
531 .legacy_intr_cpuid = ioapic_abi_legacy_intr_cpuid,
532 .legacy_intr_find = ioapic_abi_legacy_intr_find,
533 .legacy_intr_find_bygsi = ioapic_abi_legacy_intr_find_bygsi,
535 .msi_alloc = ioapic_abi_msi_alloc,
536 .msi_release = ioapic_abi_msi_release,
537 .msi_map = ioapic_abi_msi_map,
538 .msix_alloc = ioapic_abi_msix_alloc,
539 .msix_release = ioapic_abi_msix_release,
541 .finalize = ioapic_abi_finalize,
542 .cleanup = ioapic_abi_cleanup,
543 .setdefault = ioapic_abi_setdefault,
544 .stabilize = ioapic_abi_stabilize,
545 .initmap = ioapic_abi_initmap,
546 .rman_setup = ioapic_abi_rman_setup
549 static int ioapic_abi_extint_irq = -1;
550 static int ioapic_abi_legacy_irq_max;
551 static int ioapic_abi_gsi_balance;
552 static int ioapic_abi_msi_start; /* NOTE: for testing only */
554 struct ioapic_irqinfo ioapic_irqs[IOAPIC_HWI_VECTORS];
557 ioapic_abi_intr_enable(int irq)
559 const struct ioapic_irqmap *map;
561 KASSERT(irq >= 0 && irq < IOAPIC_HWI_VECTORS,
562 ("ioapic enable, invalid irq %d", irq));
564 map = &ioapic_irqmaps[mycpuid][irq];
565 KASSERT(IOAPIC_IMT_ISHWI(map),
566 ("ioapic enable, not hwi irq %d, type %d, cpu%d",
567 irq, map->im_type, mycpuid));
568 if (map->im_type != IOAPIC_IMT_LEGACY)
575 ioapic_abi_intr_disable(int irq)
577 const struct ioapic_irqmap *map;
579 KASSERT(irq >= 0 && irq < IOAPIC_HWI_VECTORS,
580 ("ioapic disable, invalid irq %d", irq));
582 map = &ioapic_irqmaps[mycpuid][irq];
583 KASSERT(IOAPIC_IMT_ISHWI(map),
584 ("ioapic disable, not hwi irq %d, type %d, cpu%d",
585 irq, map->im_type, mycpuid));
586 if (map->im_type != IOAPIC_IMT_LEGACY)
593 ioapic_abi_finalize(void)
595 KKASSERT(MachIntrABI.type == MACHINTR_IOAPIC);
596 KKASSERT(ioapic_enable);
599 * If an IMCR is present, program bit 0 to disconnect the 8259
603 outb(0x22, 0x70); /* select IMCR */
604 outb(0x23, 0x01); /* disconnect 8259 */
609 * This routine is called after physical interrupts are enabled but before
610 * the critical section is released. We need to clean out any interrupts
611 * that had already been posted to the cpu.
614 ioapic_abi_cleanup(void)
616 bzero(mdcpu->gd_ipending, sizeof(mdcpu->gd_ipending));
619 /* Must never be called */
621 ioapic_abi_stabilize(void)
623 panic("ioapic_stabilize is called");
627 ioapic_abi_intr_setup(int intr, int flags)
629 const struct ioapic_irqmap *map;
634 KASSERT(intr >= 0 && intr < IOAPIC_HWI_VECTORS,
635 ("ioapic setup, invalid irq %d", intr));
637 map = &ioapic_irqmaps[mycpuid][intr];
638 KASSERT(IOAPIC_IMT_ISHWI(map),
639 ("ioapic setup, not hwi irq %d, type %d, cpu%d",
640 intr, map->im_type, mycpuid));
641 if (map->im_type != IOAPIC_IMT_LEGACY)
644 KASSERT(ioapic_irqs[intr].io_addr != NULL,
645 ("ioapic setup, no GSI information, irq %d", intr));
650 vector = IDT_OFFSET + intr;
653 * Now reprogram the vector in the IO APIC. In order to avoid
654 * losing an EOI for a level interrupt, which is vector based,
655 * make sure that the IO APIC is programmed for edge-triggering
656 * first, then reprogrammed with the new vector. This should
661 select = ioapic_irqs[intr].io_idx;
662 value = ioapic_read(ioapic_irqs[intr].io_addr, select);
663 value |= IOART_INTMSET;
665 ioapic_write(ioapic_irqs[intr].io_addr, select,
666 (value & ~APIC_TRIGMOD_MASK));
667 ioapic_write(ioapic_irqs[intr].io_addr, select,
668 (value & ~IOART_INTVEC) | vector);
678 ioapic_abi_intr_teardown(int intr)
680 const struct ioapic_irqmap *map;
685 KASSERT(intr >= 0 && intr < IOAPIC_HWI_VECTORS,
686 ("ioapic teardown, invalid irq %d", intr));
688 map = &ioapic_irqmaps[mycpuid][intr];
689 KASSERT(IOAPIC_IMT_ISHWI(map),
690 ("ioapic teardown, not hwi irq %d, type %d, cpu%d",
691 intr, map->im_type, mycpuid));
692 if (map->im_type != IOAPIC_IMT_LEGACY)
695 KASSERT(ioapic_irqs[intr].io_addr != NULL,
696 ("ioapic teardown, no GSI information, irq %d", intr));
702 * Teardown an interrupt vector. The vector should already be
703 * installed in the cpu's IDT, but make sure.
705 IOAPIC_INTRDIS(intr);
707 vector = IDT_OFFSET + intr;
710 * In order to avoid losing an EOI for a level interrupt, which
711 * is vector based, make sure that the IO APIC is programmed for
712 * edge-triggering first, then reprogrammed with the new vector.
713 * This should clear the IRR bit.
717 select = ioapic_irqs[intr].io_idx;
718 value = ioapic_read(ioapic_irqs[intr].io_addr, select);
720 ioapic_write(ioapic_irqs[intr].io_addr, select,
721 (value & ~APIC_TRIGMOD_MASK));
722 ioapic_write(ioapic_irqs[intr].io_addr, select,
723 (value & ~IOART_INTVEC) | vector);
731 ioapic_abi_setdefault(void)
735 for (intr = 0; intr < IOAPIC_HWI_VECTORS; ++intr) {
736 if (intr == IOAPIC_HWI_SYSCALL)
738 setidt_global(IDT_OFFSET + intr, ioapic_intr[intr],
739 SDT_SYSIGT, SEL_KPL, 0);
744 ioapic_abi_initmap(void)
748 kgetenv_int("hw.ioapic.gsi.balance", &ioapic_abi_gsi_balance);
750 kgetenv_int("hw.ioapic.msi_start", &ioapic_abi_msi_start);
751 ioapic_abi_msi_start &= ~0x1f; /* MUST be 32 aligned */
754 * NOTE: ncpus is not ready yet
756 for (cpu = 0; cpu < MAXCPU; ++cpu) {
759 for (i = 0; i < IOAPIC_HWI_VECTORS; ++i) {
760 ioapic_irqmaps[cpu][i].im_gsi = -1;
761 ioapic_irqmaps[cpu][i].im_msi_base = -1;
763 ioapic_irqmaps[cpu][IOAPIC_HWI_SYSCALL].im_type =
769 ioapic_find_unused_irqmap(int gsi)
773 cpuid = ioapic_abi_gsi_cpuid(-1, gsi);
775 for (i = ISA_IRQ_CNT; i < IOAPIC_HWI_VECTORS; ++i) {
776 if (i == acpi_sci_irqno())
778 if (ioapic_irqmaps[cpuid][i].im_type == IOAPIC_IMT_UNUSED)
785 ioapic_set_legacy_irqmap(int irq, int gsi, enum intr_trigger trig,
786 enum intr_polarity pola)
788 struct ioapic_irqinfo *info;
789 struct ioapic_irqmap *map;
793 KKASSERT(trig == INTR_TRIGGER_EDGE || trig == INTR_TRIGGER_LEVEL);
794 KKASSERT(pola == INTR_POLARITY_HIGH || pola == INTR_POLARITY_LOW);
797 if (irq >= IOAPIC_HWI_VECTORS) {
799 * Some BIOSes seem to assume that all 256 IDT vectors
800 * could be used, while we limit the available IDT
801 * vectors to 192; find an unused IRQ for this GSI.
803 irq = ioapic_find_unused_irqmap(gsi);
805 kprintf("failed to find unused irq for gsi %d\n", gsi);
809 KKASSERT(irq < IOAPIC_HWI_VECTORS);
811 if (irq > ioapic_abi_legacy_irq_max)
812 ioapic_abi_legacy_irq_max = irq;
814 cpuid = ioapic_abi_gsi_cpuid(irq, gsi);
816 map = &ioapic_irqmaps[cpuid][irq];
818 KKASSERT(map->im_type == IOAPIC_IMT_UNUSED);
819 map->im_type = IOAPIC_IMT_LEGACY;
826 kprintf("IOAPIC: irq %d -> gsi %d %s/%s\n",
828 intr_str_trigger(map->im_trig),
829 intr_str_polarity(map->im_pola));
832 pin = ioapic_gsi_pin(map->im_gsi);
833 ioaddr = ioapic_gsi_ioaddr(map->im_gsi);
835 info = &ioapic_irqs[irq];
839 info->io_addr = ioaddr;
840 info->io_idx = IOAPIC_REDTBL + (2 * pin);
841 info->io_flags = IOAPIC_IRQI_FLAG_MASKED;
842 if (map->im_trig == INTR_TRIGGER_LEVEL)
843 info->io_flags |= IOAPIC_IRQI_FLAG_LEVEL;
845 ioapic_pin_setup(ioaddr, pin, IDT_OFFSET + irq,
846 map->im_trig, map->im_pola, cpuid);
852 ioapic_fixup_legacy_irqmaps(void)
856 for (cpu = 0; cpu < ncpus; ++cpu) {
859 for (i = 0; i < ISA_IRQ_CNT; ++i) {
860 struct ioapic_irqmap *map = &ioapic_irqmaps[cpu][i];
862 if (map->im_type == IOAPIC_IMT_UNUSED) {
863 map->im_type = IOAPIC_IMT_RESERVED;
866 "cpu%d irq %d reserved\n", cpu, i);
872 ioapic_abi_legacy_irq_max += 1;
874 kprintf("IOAPIC: legacy irq max %d\n",
875 ioapic_abi_legacy_irq_max);
880 ioapic_abi_legacy_intr_find_bygsi(int gsi, enum intr_trigger trig,
881 enum intr_polarity pola)
886 if (trig == INTR_TRIGGER_CONFORM) {
887 KKASSERT(pola == INTR_POLARITY_CONFORM);
889 KKASSERT(trig == INTR_TRIGGER_EDGE ||
890 trig == INTR_TRIGGER_LEVEL);
891 KKASSERT(pola == INTR_POLARITY_HIGH ||
892 pola == INTR_POLARITY_LOW);
896 for (cpu = 0; cpu < ncpus; ++cpu) {
899 for (irq = 0; irq < ioapic_abi_legacy_irq_max; ++irq) {
900 const struct ioapic_irqmap *map =
901 &ioapic_irqmaps[cpu][irq];
903 if (map->im_gsi == gsi) {
904 KKASSERT(map->im_type == IOAPIC_IMT_LEGACY);
906 if ((map->im_flags & IOAPIC_IMF_CONF) &&
907 trig != INTR_TRIGGER_CONFORM &&
908 pola != INTR_POLARITY_CONFORM) {
909 if (map->im_trig != trig ||
910 map->im_pola != pola)
921 ioapic_abi_legacy_intr_find(int irq, enum intr_trigger trig,
922 enum intr_polarity pola)
927 if (trig == INTR_TRIGGER_CONFORM) {
928 KKASSERT(pola == INTR_POLARITY_CONFORM);
930 KKASSERT(trig == INTR_TRIGGER_EDGE ||
931 trig == INTR_TRIGGER_LEVEL);
932 KKASSERT(pola == INTR_POLARITY_HIGH ||
933 pola == INTR_POLARITY_LOW);
937 if (irq < 0 || irq >= ioapic_abi_legacy_irq_max)
940 for (cpu = 0; cpu < ncpus; ++cpu) {
941 const struct ioapic_irqmap *map = &ioapic_irqmaps[cpu][irq];
943 if (map->im_type == IOAPIC_IMT_LEGACY) {
944 if ((map->im_flags & IOAPIC_IMF_CONF) &&
945 trig != INTR_TRIGGER_CONFORM &&
946 pola != INTR_POLARITY_CONFORM) {
947 if (map->im_trig != trig ||
948 map->im_pola != pola)
958 ioapic_abi_legacy_intr_config(int irq, enum intr_trigger trig,
959 enum intr_polarity pola)
961 struct ioapic_irqinfo *info;
962 struct ioapic_irqmap *map = NULL;
966 KKASSERT(trig == INTR_TRIGGER_EDGE || trig == INTR_TRIGGER_LEVEL);
967 KKASSERT(pola == INTR_POLARITY_HIGH || pola == INTR_POLARITY_LOW);
969 KKASSERT(irq >= 0 && irq < ioapic_abi_legacy_irq_max);
970 for (cpuid = 0; cpuid < ncpus; ++cpuid) {
971 map = &ioapic_irqmaps[cpuid][irq];
972 if (map->im_type == IOAPIC_IMT_LEGACY)
975 KKASSERT(cpuid < ncpus);
978 if (map->im_flags & IOAPIC_IMF_CONF) {
979 if (trig != map->im_trig) {
980 panic("ioapic_intr_config: trig %s -> %s",
981 intr_str_trigger(map->im_trig),
982 intr_str_trigger(trig));
984 if (pola != map->im_pola) {
985 panic("ioapic_intr_config: pola %s -> %s",
986 intr_str_polarity(map->im_pola),
987 intr_str_polarity(pola));
992 map->im_flags |= IOAPIC_IMF_CONF;
994 if (trig == map->im_trig && pola == map->im_pola)
998 kprintf("IOAPIC: irq %d, gsi %d %s/%s -> %s/%s\n",
1000 intr_str_trigger(map->im_trig),
1001 intr_str_polarity(map->im_pola),
1002 intr_str_trigger(trig),
1003 intr_str_polarity(pola));
1005 map->im_trig = trig;
1006 map->im_pola = pola;
1008 pin = ioapic_gsi_pin(map->im_gsi);
1009 ioaddr = ioapic_gsi_ioaddr(map->im_gsi);
1011 info = &ioapic_irqs[irq];
1015 info->io_flags &= ~IOAPIC_IRQI_FLAG_LEVEL;
1016 if (map->im_trig == INTR_TRIGGER_LEVEL)
1017 info->io_flags |= IOAPIC_IRQI_FLAG_LEVEL;
1019 ioapic_pin_setup(ioaddr, pin, IDT_OFFSET + irq,
1020 map->im_trig, map->im_pola, cpuid);
1026 ioapic_conf_legacy_extint(int irq)
1028 struct ioapic_irqinfo *info;
1029 struct ioapic_irqmap *map;
1031 int pin, error, vec;
1033 /* XXX only irq0 is allowed */
1036 vec = IDT_OFFSET + irq;
1038 if (ioapic_abi_extint_irq == irq)
1040 else if (ioapic_abi_extint_irq >= 0)
1043 error = icu_ioapic_extint(irq, vec);
1047 /* ExtINT is always targeted to cpu0 */
1048 map = &ioapic_irqmaps[0][irq];
1050 KKASSERT(map->im_type == IOAPIC_IMT_RESERVED ||
1051 map->im_type == IOAPIC_IMT_LEGACY);
1052 if (map->im_type == IOAPIC_IMT_LEGACY) {
1053 if (map->im_flags & IOAPIC_IMF_CONF)
1056 ioapic_abi_extint_irq = irq;
1058 map->im_type = IOAPIC_IMT_LEGACY;
1059 map->im_trig = INTR_TRIGGER_EDGE;
1060 map->im_pola = INTR_POLARITY_HIGH;
1061 map->im_flags = IOAPIC_IMF_CONF;
1063 map->im_gsi = ioapic_extpin_gsi();
1064 KKASSERT(map->im_gsi >= 0);
1067 kprintf("IOAPIC: irq %d -> extint gsi %d %s/%s\n",
1069 intr_str_trigger(map->im_trig),
1070 intr_str_polarity(map->im_pola));
1073 pin = ioapic_gsi_pin(map->im_gsi);
1074 ioaddr = ioapic_gsi_ioaddr(map->im_gsi);
1076 info = &ioapic_irqs[irq];
1080 info->io_addr = ioaddr;
1081 info->io_idx = IOAPIC_REDTBL + (2 * pin);
1082 info->io_flags = IOAPIC_IRQI_FLAG_MASKED;
1084 ioapic_extpin_setup(ioaddr, pin, vec);
1092 ioapic_abi_legacy_intr_cpuid(int irq)
1094 const struct ioapic_irqmap *map = NULL;
1097 KKASSERT(irq >= 0 && irq < ioapic_abi_legacy_irq_max);
1099 for (cpuid = 0; cpuid < ncpus; ++cpuid) {
1100 map = &ioapic_irqmaps[cpuid][irq];
1101 if (map->im_type == IOAPIC_IMT_LEGACY)
1105 /* XXX some drivers tries to peek at reserved IRQs */
1106 for (cpuid = 0; cpuid < ncpus; ++cpuid) {
1107 map = &ioapic_irqmaps[cpuid][irq];
1108 KKASSERT(map->im_type == IOAPIC_IMT_RESERVED);
1114 ioapic_abi_gsi_cpuid(int irq, int gsi)
1121 if (irq == 0 || gsi == 0) {
1124 kprintf("IOAPIC: irq %d, gsi %d -> cpu0 (0)\n",
1130 if (irq >= 0 && irq == acpi_sci_irqno()) {
1132 kprintf("IOAPIC: irq %d, gsi %d -> cpu0 (sci)\n",
1138 ksnprintf(envpath, sizeof(envpath), "hw.ioapic.gsi.%d.cpu", gsi);
1139 kgetenv_int(envpath, &cpuid);
1142 if (!ioapic_abi_gsi_balance) {
1143 if (irq >= 0 && bootverbose) {
1144 kprintf("IOAPIC: irq %d, gsi %d -> cpu0 "
1145 "(fixed)\n", irq, gsi);
1150 cpuid = gsi % ncpus;
1151 if (irq >= 0 && bootverbose) {
1152 kprintf("IOAPIC: irq %d, gsi %d -> cpu%d (auto)\n",
1155 } else if (cpuid >= ncpus) {
1157 if (irq >= 0 && bootverbose) {
1158 kprintf("IOAPIC: irq %d, gsi %d -> cpu%d (fixup)\n",
1162 if (irq >= 0 && bootverbose) {
1163 kprintf("IOAPIC: irq %d, gsi %d -> cpu%d (user)\n",
1171 ioapic_abi_rman_setup(struct rman *rm)
1175 KASSERT(rm->rm_cpuid >= 0 && rm->rm_cpuid < MAXCPU,
1176 ("invalid rman cpuid %d", rm->rm_cpuid));
1179 for (i = 0; i < IOAPIC_HWI_VECTORS; ++i) {
1180 const struct ioapic_irqmap *map =
1181 &ioapic_irqmaps[rm->rm_cpuid][i];
1184 if (IOAPIC_IMT_ISHWI(map))
1187 if (IOAPIC_IMT_ISHWI(map)) {
1192 kprintf("IOAPIC: rman cpu%d %d - %d\n",
1193 rm->rm_cpuid, start, end);
1195 if (rman_manage_region(rm, start, end)) {
1196 panic("rman_manage_region"
1197 "(cpu%d %d - %d)", rm->rm_cpuid,
1207 kprintf("IOAPIC: rman cpu%d %d - %d\n",
1208 rm->rm_cpuid, start, end);
1210 if (rman_manage_region(rm, start, end)) {
1211 panic("rman_manage_region(cpu%d %d - %d)",
1212 rm->rm_cpuid, start, end);
1218 ioapic_abi_msi_alloc_intern(int type, const char *desc,
1219 int intrs[], int count, int cpuid)
1223 KASSERT(cpuid >= 0 && cpuid < ncpus,
1224 ("invalid cpuid %d", cpuid));
1226 KASSERT(count > 0 && count <= 32, ("invalid count %d", count));
1227 KASSERT((count & (count - 1)) == 0,
1228 ("count %d is not power of 2", count));
1230 lwkt_gettoken(&ioapic_irqmap_tok);
1234 * Since IDT_OFFSET is 32, which is the maximum valid 'count',
1235 * we do not need to find out the first properly aligned
1240 for (i = ioapic_abi_msi_start; i < IOAPIC_HWI_VECTORS; i += count) {
1243 if (ioapic_irqmaps[cpuid][i].im_type != IOAPIC_IMT_UNUSED)
1246 for (j = 1; j < count; ++j) {
1247 if (ioapic_irqmaps[cpuid][i + j].im_type !=
1254 for (j = 0; j < count; ++j) {
1255 struct ioapic_irqmap *map;
1258 map = &ioapic_irqmaps[cpuid][intr];
1259 KASSERT(map->im_msi_base < 0,
1260 ("intr %d, stale %s-base %d",
1261 intr, desc, map->im_msi_base));
1263 map->im_type = type;
1264 map->im_msi_base = i;
1267 msi_setup(intr, cpuid);
1270 kprintf("alloc %s intr %d on cpu%d\n",
1278 lwkt_reltoken(&ioapic_irqmap_tok);
1284 ioapic_abi_msi_release_intern(int type, const char *desc,
1285 const int intrs[], int count, int cpuid)
1287 int i, msi_base = -1, intr_next = -1, mask;
1289 KASSERT(cpuid >= 0 && cpuid < ncpus,
1290 ("invalid cpuid %d", cpuid));
1292 KASSERT(count > 0 && count <= 32, ("invalid count %d", count));
1295 KASSERT((count & mask) == 0, ("count %d is not power of 2", count));
1297 lwkt_gettoken(&ioapic_irqmap_tok);
1299 for (i = 0; i < count; ++i) {
1300 struct ioapic_irqmap *map;
1301 int intr = intrs[i];
1303 KASSERT(intr >= 0 && intr < IOAPIC_HWI_VECTORS,
1304 ("invalid intr %d", intr));
1306 map = &ioapic_irqmaps[cpuid][intr];
1307 KASSERT(map->im_type == type,
1308 ("trying to release non-%s intr %d, type %d", desc,
1309 intr, map->im_type));
1310 KASSERT(map->im_msi_base >= 0 && map->im_msi_base <= intr,
1311 ("intr %d, invalid %s-base %d", intr, desc,
1313 KASSERT((map->im_msi_base & mask) == 0,
1314 ("intr %d, %s-base %d is not properly aligned %d",
1315 intr, desc, map->im_msi_base, count));
1318 msi_base = map->im_msi_base;
1320 KASSERT(map->im_msi_base == msi_base,
1321 ("intr %d, inconsistent %s-base, "
1323 intr, desc, msi_base, map->im_msi_base));
1326 if (intr_next < intr)
1329 map->im_type = IOAPIC_IMT_UNUSED;
1330 map->im_msi_base = -1;
1333 kprintf("release %s intr %d on cpu%d\n",
1338 KKASSERT(intr_next > 0);
1339 KKASSERT(msi_base >= 0);
1342 if (intr_next < IOAPIC_HWI_VECTORS) {
1343 const struct ioapic_irqmap *map =
1344 &ioapic_irqmaps[cpuid][intr_next];
1346 if (map->im_type == type) {
1347 KASSERT(map->im_msi_base != msi_base,
1348 ("more than %d %s was allocated", count, desc));
1352 lwkt_reltoken(&ioapic_irqmap_tok);
1356 ioapic_abi_msi_alloc(int intrs[], int count, int cpuid)
1358 return ioapic_abi_msi_alloc_intern(IOAPIC_IMT_MSI, "MSI",
1359 intrs, count, cpuid);
1363 ioapic_abi_msi_release(const int intrs[], int count, int cpuid)
1365 ioapic_abi_msi_release_intern(IOAPIC_IMT_MSI, "MSI",
1366 intrs, count, cpuid);
1370 ioapic_abi_msix_alloc(int *intr, int cpuid)
1372 return ioapic_abi_msi_alloc_intern(IOAPIC_IMT_MSIX, "MSI-X",
1377 ioapic_abi_msix_release(int intr, int cpuid)
1379 ioapic_abi_msi_release_intern(IOAPIC_IMT_MSIX, "MSI-X",
1384 ioapic_abi_msi_map(int intr, uint64_t *addr, uint32_t *data, int cpuid)
1386 const struct ioapic_irqmap *map;
1388 KASSERT(cpuid >= 0 && cpuid < ncpus,
1389 ("invalid cpuid %d", cpuid));
1391 KASSERT(intr >= 0 && intr < IOAPIC_HWI_VECTORS,
1392 ("invalid intr %d", intr));
1394 lwkt_gettoken(&ioapic_irqmap_tok);
1396 map = &ioapic_irqmaps[cpuid][intr];
1397 KASSERT(map->im_type == IOAPIC_IMT_MSI ||
1398 map->im_type == IOAPIC_IMT_MSIX,
1399 ("trying to map non-MSI/MSI-X intr %d, type %d", intr, map->im_type));
1400 KASSERT(map->im_msi_base >= 0 && map->im_msi_base <= intr,
1401 ("intr %d, invalid %s-base %d", intr,
1402 map->im_type == IOAPIC_IMT_MSI ? "MSI" : "MSI-X",
1405 msi_map(map->im_msi_base, addr, data, cpuid);
1408 kprintf("map %s intr %d on cpu%d\n",
1409 map->im_type == IOAPIC_IMT_MSI ? "MSI" : "MSI-X",
1413 lwkt_reltoken(&ioapic_irqmap_tok);