xref: /freebsd/sys/dev/sfxge/common/efsys.h (revision 206b73d0)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2010-2016 Solarflare Communications Inc.
5  * All rights reserved.
6  *
7  * This software was developed in part by Philip Paeps under contract for
8  * Solarflare Communications, Inc.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright notice,
14  *    this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright notice,
16  *    this list of conditions and the following disclaimer in the documentation
17  *    and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
23  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
29  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  *
31  * The views and conclusions contained in the software and documentation are
32  * those of the authors and should not be interpreted as representing official
33  * policies, either expressed or implied, of the FreeBSD Project.
34  *
35  * $FreeBSD$
36  */
37 
38 #ifndef	_SYS_EFSYS_H
39 #define	_SYS_EFSYS_H
40 
41 #ifdef	__cplusplus
42 extern "C" {
43 #endif
44 
45 #include <sys/param.h>
46 #include <sys/bus.h>
47 #include <sys/endian.h>
48 #include <sys/lock.h>
49 #include <sys/malloc.h>
50 #include <sys/mbuf.h>
51 #include <sys/mutex.h>
52 #include <sys/rwlock.h>
53 #include <sys/sdt.h>
54 #include <sys/systm.h>
55 
56 #include <machine/bus.h>
57 #include <machine/endian.h>
58 
59 #define	EFSYS_HAS_UINT64 1
60 #if defined(__x86_64__)
61 #define	EFSYS_USE_UINT64 1
62 #else
63 #define	EFSYS_USE_UINT64 0
64 #endif
65 #define	EFSYS_HAS_SSE2_M128 0
66 #if _BYTE_ORDER == _BIG_ENDIAN
67 #define	EFSYS_IS_BIG_ENDIAN 1
68 #define	EFSYS_IS_LITTLE_ENDIAN 0
69 #elif _BYTE_ORDER == _LITTLE_ENDIAN
70 #define	EFSYS_IS_BIG_ENDIAN 0
71 #define	EFSYS_IS_LITTLE_ENDIAN 1
72 #endif
73 #include "efx_types.h"
74 
75 /* Common code requires this */
76 #if __FreeBSD_version < 800068
77 #define	memmove(d, s, l) bcopy(s, d, l)
78 #endif
79 
80 #ifndef B_FALSE
81 #define	B_FALSE	FALSE
82 #endif
83 #ifndef B_TRUE
84 #define	B_TRUE	TRUE
85 #endif
86 
87 #ifndef IS2P
88 #define	ISP2(x)			(((x) & ((x) - 1)) == 0)
89 #endif
90 
91 #if defined(__x86_64__) && __FreeBSD_version >= 1000000
92 
93 #define	SFXGE_USE_BUS_SPACE_8		1
94 
95 #if !defined(bus_space_read_stream_8)
96 
97 #define	bus_space_read_stream_8(t, h, o)				\
98 	bus_space_read_8((t), (h), (o))
99 
100 #define	bus_space_write_stream_8(t, h, o, v)				\
101 	bus_space_write_8((t), (h), (o), (v))
102 
103 #endif
104 
105 #endif
106 
107 #define	ENOTACTIVE EINVAL
108 
109 /* Memory type to use on FreeBSD */
110 MALLOC_DECLARE(M_SFXGE);
111 
112 /* Machine dependend prefetch wrappers */
113 #if defined(__i386__) || defined(__amd64__)
114 static __inline void
115 prefetch_read_many(void *addr)
116 {
117 
118 	__asm__(
119 	    "prefetcht0 (%0)"
120 	    :
121 	    : "r" (addr));
122 }
123 
124 static __inline void
125 prefetch_read_once(void *addr)
126 {
127 
128 	__asm__(
129 	    "prefetchnta (%0)"
130 	    :
131 	    : "r" (addr));
132 }
133 #elif defined(__sparc64__)
134 static __inline void
135 prefetch_read_many(void *addr)
136 {
137 
138 	__asm__(
139 	    "prefetch [%0], 0"
140 	    :
141 	    : "r" (addr));
142 }
143 
144 static __inline void
145 prefetch_read_once(void *addr)
146 {
147 
148 	__asm__(
149 	    "prefetch [%0], 1"
150 	    :
151 	    : "r" (addr));
152 }
153 #else
154 static __inline void
155 prefetch_read_many(void *addr)
156 {
157 
158 }
159 
160 static __inline void
161 prefetch_read_once(void *addr)
162 {
163 
164 }
165 #endif
166 
167 #if defined(__i386__) || defined(__amd64__)
168 #include <vm/vm.h>
169 #include <vm/pmap.h>
170 #endif
171 static __inline void
172 sfxge_map_mbuf_fast(bus_dma_tag_t tag, bus_dmamap_t map,
173 		    struct mbuf *m, bus_dma_segment_t *seg)
174 {
175 #if defined(__i386__) || defined(__amd64__)
176 	seg->ds_addr = pmap_kextract(mtod(m, vm_offset_t));
177 	seg->ds_len = m->m_len;
178 #else
179 	int nsegstmp;
180 
181 	bus_dmamap_load_mbuf_sg(tag, map, m, seg, &nsegstmp, 0);
182 #endif
183 }
184 
185 /* Code inclusion options */
186 
187 
188 #define	EFSYS_OPT_NAMES 1
189 
190 #define	EFSYS_OPT_SIENA 1
191 #define	EFSYS_OPT_HUNTINGTON 1
192 #define	EFSYS_OPT_MEDFORD 1
193 #define	EFSYS_OPT_MEDFORD2 1
194 #ifdef DEBUG
195 #define	EFSYS_OPT_CHECK_REG 1
196 #else
197 #define	EFSYS_OPT_CHECK_REG 0
198 #endif
199 
200 #define	EFSYS_OPT_MCDI 1
201 #define	EFSYS_OPT_MCDI_LOGGING 0
202 #define	EFSYS_OPT_MCDI_PROXY_AUTH 0
203 
204 #define	EFSYS_OPT_MAC_STATS 1
205 
206 #define	EFSYS_OPT_LOOPBACK 0
207 
208 #define	EFSYS_OPT_MON_MCDI 0
209 #define	EFSYS_OPT_MON_STATS 0
210 
211 #define	EFSYS_OPT_PHY_STATS 1
212 #define	EFSYS_OPT_BIST 1
213 #define	EFSYS_OPT_PHY_LED_CONTROL 1
214 #define	EFSYS_OPT_PHY_FLAGS 0
215 
216 #define	EFSYS_OPT_VPD 1
217 #define	EFSYS_OPT_NVRAM 1
218 #define	EFSYS_OPT_BOOTCFG 0
219 #define	EFSYS_OPT_IMAGE_LAYOUT 0
220 
221 #define	EFSYS_OPT_DIAG 0
222 #define	EFSYS_OPT_RX_SCALE 1
223 #define	EFSYS_OPT_QSTATS 1
224 #define	EFSYS_OPT_FILTER 1
225 #define	EFSYS_OPT_RX_SCATTER 0
226 
227 #define	EFSYS_OPT_EV_PREFETCH 0
228 
229 #define	EFSYS_OPT_DECODE_INTR_FATAL 1
230 
231 #define	EFSYS_OPT_LICENSING 0
232 
233 #define	EFSYS_OPT_ALLOW_UNCONFIGURED_NIC 0
234 
235 #define	EFSYS_OPT_RX_PACKED_STREAM 0
236 
237 #define	EFSYS_OPT_RX_ES_SUPER_BUFFER 0
238 
239 #define	EFSYS_OPT_TUNNEL 0
240 
241 #define	EFSYS_OPT_FW_SUBVARIANT_AWARE 0
242 
243 /* ID */
244 
245 typedef struct __efsys_identifier_s	efsys_identifier_t;
246 
247 /* PROBE */
248 
249 #ifndef DTRACE_PROBE
250 
251 #define	EFSYS_PROBE(_name)
252 
253 #define	EFSYS_PROBE1(_name, _type1, _arg1)
254 
255 #define	EFSYS_PROBE2(_name, _type1, _arg1, _type2, _arg2)
256 
257 #define	EFSYS_PROBE3(_name, _type1, _arg1, _type2, _arg2,		\
258 	    _type3, _arg3)
259 
260 #define	EFSYS_PROBE4(_name, _type1, _arg1, _type2, _arg2,		\
261 	    _type3, _arg3, _type4, _arg4)
262 
263 #define	EFSYS_PROBE5(_name, _type1, _arg1, _type2, _arg2,		\
264 	    _type3, _arg3, _type4, _arg4, _type5, _arg5)
265 
266 #define	EFSYS_PROBE6(_name, _type1, _arg1, _type2, _arg2,		\
267 	    _type3, _arg3, _type4, _arg4, _type5, _arg5,		\
268 	    _type6, _arg6)
269 
270 #define	EFSYS_PROBE7(_name, _type1, _arg1, _type2, _arg2,		\
271 	    _type3, _arg3, _type4, _arg4, _type5, _arg5,		\
272 	    _type6, _arg6, _type7, _arg7)
273 
274 #else /* DTRACE_PROBE */
275 
276 #define	EFSYS_PROBE(_name)						\
277 	DTRACE_PROBE(_name)
278 
279 #define	EFSYS_PROBE1(_name, _type1, _arg1)				\
280 	DTRACE_PROBE1(_name, _type1, _arg1)
281 
282 #define	EFSYS_PROBE2(_name, _type1, _arg1, _type2, _arg2)		\
283 	DTRACE_PROBE2(_name, _type1, _arg1, _type2, _arg2)
284 
285 #define	EFSYS_PROBE3(_name, _type1, _arg1, _type2, _arg2,		\
286 	    _type3, _arg3)						\
287 	DTRACE_PROBE3(_name, _type1, _arg1, _type2, _arg2,		\
288 	    _type3, _arg3)
289 
290 #define	EFSYS_PROBE4(_name, _type1, _arg1, _type2, _arg2,		\
291 	    _type3, _arg3, _type4, _arg4)				\
292 	DTRACE_PROBE4(_name, _type1, _arg1, _type2, _arg2,		\
293 	    _type3, _arg3, _type4, _arg4)
294 
295 #ifdef DTRACE_PROBE5
296 #define	EFSYS_PROBE5(_name, _type1, _arg1, _type2, _arg2,		\
297 	    _type3, _arg3, _type4, _arg4, _type5, _arg5)		\
298 	DTRACE_PROBE5(_name, _type1, _arg1, _type2, _arg2,		\
299 	    _type3, _arg3, _type4, _arg4, _type5, _arg5)
300 #else
301 #define	EFSYS_PROBE5(_name, _type1, _arg1, _type2, _arg2,		\
302 	    _type3, _arg3, _type4, _arg4, _type5, _arg5)		\
303 	DTRACE_PROBE4(_name, _type1, _arg1, _type2, _arg2,		\
304 	    _type3, _arg3, _type4, _arg4)
305 #endif
306 
307 #ifdef DTRACE_PROBE6
308 #define	EFSYS_PROBE6(_name, _type1, _arg1, _type2, _arg2,		\
309 	    _type3, _arg3, _type4, _arg4, _type5, _arg5,		\
310 	    _type6, _arg6)						\
311 	DTRACE_PROBE6(_name, _type1, _arg1, _type2, _arg2,		\
312 	    _type3, _arg3, _type4, _arg4, _type5, _arg5,		\
313 	    _type6, _arg6)
314 #else
315 #define	EFSYS_PROBE6(_name, _type1, _arg1, _type2, _arg2,		\
316 	    _type3, _arg3, _type4, _arg4, _type5, _arg5,		\
317 	    _type6, _arg6)						\
318 	EFSYS_PROBE5(_name, _type1, _arg1, _type2, _arg2,		\
319 	    _type3, _arg3, _type4, _arg4, _type5, _arg5)
320 #endif
321 
322 #ifdef DTRACE_PROBE7
323 #define	EFSYS_PROBE7(_name, _type1, _arg1, _type2, _arg2,		\
324 	    _type3, _arg3, _type4, _arg4, _type5, _arg5,		\
325 	    _type6, _arg6, _type7, _arg7)				\
326 	DTRACE_PROBE7(_name, _type1, _arg1, _type2, _arg2,		\
327 	    _type3, _arg3, _type4, _arg4, _type5, _arg5,		\
328 	    _type6, _arg6, _type7, _arg7)
329 #else
330 #define	EFSYS_PROBE7(_name, _type1, _arg1, _type2, _arg2,		\
331 	    _type3, _arg3, _type4, _arg4, _type5, _arg5,		\
332 	    _type6, _arg6, _type7, _arg7)				\
333 	EFSYS_PROBE6(_name, _type1, _arg1, _type2, _arg2,		\
334 	    _type3, _arg3, _type4, _arg4, _type5, _arg5,		\
335 	    _type6, _arg6)
336 #endif
337 
338 #endif /* DTRACE_PROBE */
339 
340 /* DMA */
341 
342 typedef uint64_t		efsys_dma_addr_t;
343 
344 typedef struct efsys_mem_s {
345 	bus_dma_tag_t		esm_tag;
346 	bus_dmamap_t		esm_map;
347 	caddr_t			esm_base;
348 	efsys_dma_addr_t	esm_addr;
349 	size_t			esm_size;
350 } efsys_mem_t;
351 
352 #define	EFSYS_MEM_SIZE(_esmp)						\
353 	((_esmp)->esm_size)
354 
355 #define	EFSYS_MEM_ADDR(_esmp)						\
356 	((_esmp)->esm_addr)
357 
358 #define	EFSYS_MEM_IS_NULL(_esmp)					\
359 	((_esmp)->esm_base == NULL)
360 
361 
362 #define	EFSYS_MEM_ZERO(_esmp, _size)					\
363 	do {								\
364 		(void) memset((_esmp)->esm_base, 0, (_size));		\
365 									\
366 	_NOTE(CONSTANTCONDITION)					\
367 	} while (B_FALSE)
368 
369 #define	EFSYS_MEM_READD(_esmp, _offset, _edp)				\
370 	do {								\
371 		uint32_t *addr;						\
372 									\
373 		_NOTE(CONSTANTCONDITION)				\
374 		KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,		\
375 		    sizeof (efx_dword_t)),				\
376 		    ("not power of 2 aligned"));			\
377 									\
378 		addr = (void *)((_esmp)->esm_base + (_offset));		\
379 									\
380 		(_edp)->ed_u32[0] = *addr;				\
381 									\
382 		EFSYS_PROBE2(mem_readd, unsigned int, (_offset),	\
383 		    uint32_t, (_edp)->ed_u32[0]);			\
384 									\
385 	_NOTE(CONSTANTCONDITION)					\
386 	} while (B_FALSE)
387 
388 #if defined(__x86_64__)
389 #define	EFSYS_MEM_READQ(_esmp, _offset, _eqp)				\
390 	do {								\
391 		uint64_t *addr;						\
392 									\
393 		_NOTE(CONSTANTCONDITION)				\
394 		KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,		\
395 		    sizeof (efx_qword_t)),				\
396 		    ("not power of 2 aligned"));			\
397 									\
398 		addr = (void *)((_esmp)->esm_base + (_offset));		\
399 									\
400 		(_eqp)->eq_u64[0] = *addr;				\
401 									\
402 		EFSYS_PROBE3(mem_readq, unsigned int, (_offset),	\
403 		    uint32_t, (_eqp)->eq_u32[1],			\
404 		    uint32_t, (_eqp)->eq_u32[0]);			\
405 									\
406 	_NOTE(CONSTANTCONDITION)					\
407 	} while (B_FALSE)
408 #else
409 #define	EFSYS_MEM_READQ(_esmp, _offset, _eqp)				\
410 	do {								\
411 		uint32_t *addr;						\
412 									\
413 		_NOTE(CONSTANTCONDITION)				\
414 		KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,		\
415 		    sizeof (efx_qword_t)),				\
416 		    ("not power of 2 aligned"));			\
417 									\
418 		addr = (void *)((_esmp)->esm_base + (_offset));		\
419 									\
420 		(_eqp)->eq_u32[0] = *addr++;				\
421 		(_eqp)->eq_u32[1] = *addr;				\
422 									\
423 		EFSYS_PROBE3(mem_readq, unsigned int, (_offset),	\
424 		    uint32_t, (_eqp)->eq_u32[1],			\
425 		    uint32_t, (_eqp)->eq_u32[0]);			\
426 									\
427 	_NOTE(CONSTANTCONDITION)					\
428 	} while (B_FALSE)
429 #endif
430 
431 #if defined(__x86_64__)
432 #define	EFSYS_MEM_READO(_esmp, _offset, _eop)				\
433 	do {								\
434 		uint64_t *addr;						\
435 									\
436 		_NOTE(CONSTANTCONDITION)				\
437 		KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,		\
438 		    sizeof (efx_oword_t)),				\
439 		    ("not power of 2 aligned"));			\
440 									\
441 		addr = (void *)((_esmp)->esm_base + (_offset));		\
442 									\
443 		(_eop)->eo_u64[0] = *addr++;				\
444 		(_eop)->eo_u64[1] = *addr;				\
445 									\
446 		EFSYS_PROBE5(mem_reado, unsigned int, (_offset),	\
447 		    uint32_t, (_eop)->eo_u32[3],			\
448 		    uint32_t, (_eop)->eo_u32[2],			\
449 		    uint32_t, (_eop)->eo_u32[1],			\
450 		    uint32_t, (_eop)->eo_u32[0]);			\
451 									\
452 	_NOTE(CONSTANTCONDITION)					\
453 	} while (B_FALSE)
454 #else
455 #define	EFSYS_MEM_READO(_esmp, _offset, _eop)				\
456 	do {								\
457 		uint32_t *addr;						\
458 									\
459 		_NOTE(CONSTANTCONDITION)				\
460 		KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,		\
461 		    sizeof (efx_oword_t)),				\
462 		    ("not power of 2 aligned"));			\
463 									\
464 		addr = (void *)((_esmp)->esm_base + (_offset));		\
465 									\
466 		(_eop)->eo_u32[0] = *addr++;				\
467 		(_eop)->eo_u32[1] = *addr++;				\
468 		(_eop)->eo_u32[2] = *addr++;				\
469 		(_eop)->eo_u32[3] = *addr;				\
470 									\
471 		EFSYS_PROBE5(mem_reado, unsigned int, (_offset),	\
472 		    uint32_t, (_eop)->eo_u32[3],			\
473 		    uint32_t, (_eop)->eo_u32[2],			\
474 		    uint32_t, (_eop)->eo_u32[1],			\
475 		    uint32_t, (_eop)->eo_u32[0]);			\
476 									\
477 	_NOTE(CONSTANTCONDITION)					\
478 	} while (B_FALSE)
479 #endif
480 
481 #define	EFSYS_MEM_WRITED(_esmp, _offset, _edp)				\
482 	do {								\
483 		uint32_t *addr;						\
484 									\
485 		_NOTE(CONSTANTCONDITION)				\
486 		KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,		\
487 		    sizeof (efx_dword_t)),				\
488 		    ("not power of 2 aligned"));			\
489 									\
490 		EFSYS_PROBE2(mem_writed, unsigned int, (_offset),	\
491 		    uint32_t, (_edp)->ed_u32[0]);			\
492 									\
493 		addr = (void *)((_esmp)->esm_base + (_offset));		\
494 									\
495 		*addr = (_edp)->ed_u32[0];				\
496 									\
497 	_NOTE(CONSTANTCONDITION)					\
498 	} while (B_FALSE)
499 
500 #if defined(__x86_64__)
501 #define	EFSYS_MEM_WRITEQ(_esmp, _offset, _eqp)				\
502 	do {								\
503 		uint64_t *addr;						\
504 									\
505 		_NOTE(CONSTANTCONDITION)				\
506 		KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,		\
507 		    sizeof (efx_qword_t)),				\
508 		    ("not power of 2 aligned"));			\
509 									\
510 		EFSYS_PROBE3(mem_writeq, unsigned int, (_offset),	\
511 		    uint32_t, (_eqp)->eq_u32[1],			\
512 		    uint32_t, (_eqp)->eq_u32[0]);			\
513 									\
514 		addr = (void *)((_esmp)->esm_base + (_offset));		\
515 									\
516 		*addr   = (_eqp)->eq_u64[0];				\
517 									\
518 	_NOTE(CONSTANTCONDITION)					\
519 	} while (B_FALSE)
520 
521 #else
522 #define	EFSYS_MEM_WRITEQ(_esmp, _offset, _eqp)				\
523 	do {								\
524 		uint32_t *addr;						\
525 									\
526 		_NOTE(CONSTANTCONDITION)				\
527 		KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,		\
528 		    sizeof (efx_qword_t)),				\
529 		    ("not power of 2 aligned"));			\
530 									\
531 		EFSYS_PROBE3(mem_writeq, unsigned int, (_offset),	\
532 		    uint32_t, (_eqp)->eq_u32[1],			\
533 		    uint32_t, (_eqp)->eq_u32[0]);			\
534 									\
535 		addr = (void *)((_esmp)->esm_base + (_offset));		\
536 									\
537 		*addr++ = (_eqp)->eq_u32[0];				\
538 		*addr   = (_eqp)->eq_u32[1];				\
539 									\
540 	_NOTE(CONSTANTCONDITION)					\
541 	} while (B_FALSE)
542 #endif
543 
544 #if defined(__x86_64__)
545 #define	EFSYS_MEM_WRITEO(_esmp, _offset, _eop)				\
546 	do {								\
547 		uint64_t *addr;						\
548 									\
549 		_NOTE(CONSTANTCONDITION)				\
550 		KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,		\
551 		    sizeof (efx_oword_t)),				\
552 		    ("not power of 2 aligned"));			\
553 									\
554 		EFSYS_PROBE5(mem_writeo, unsigned int, (_offset),	\
555 		    uint32_t, (_eop)->eo_u32[3],			\
556 		    uint32_t, (_eop)->eo_u32[2],			\
557 		    uint32_t, (_eop)->eo_u32[1],			\
558 		    uint32_t, (_eop)->eo_u32[0]);			\
559 									\
560 		addr = (void *)((_esmp)->esm_base + (_offset));		\
561 									\
562 		*addr++ = (_eop)->eo_u64[0];				\
563 		*addr   = (_eop)->eo_u64[1];				\
564 									\
565 	_NOTE(CONSTANTCONDITION)					\
566 	} while (B_FALSE)
567 #else
568 #define	EFSYS_MEM_WRITEO(_esmp, _offset, _eop)				\
569 	do {								\
570 		uint32_t *addr;						\
571 									\
572 		_NOTE(CONSTANTCONDITION)				\
573 		KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,		\
574 		    sizeof (efx_oword_t)),				\
575 		    ("not power of 2 aligned"));			\
576 									\
577 		EFSYS_PROBE5(mem_writeo, unsigned int, (_offset),	\
578 		    uint32_t, (_eop)->eo_u32[3],			\
579 		    uint32_t, (_eop)->eo_u32[2],			\
580 		    uint32_t, (_eop)->eo_u32[1],			\
581 		    uint32_t, (_eop)->eo_u32[0]);			\
582 									\
583 		addr = (void *)((_esmp)->esm_base + (_offset));		\
584 									\
585 		*addr++ = (_eop)->eo_u32[0];				\
586 		*addr++ = (_eop)->eo_u32[1];				\
587 		*addr++ = (_eop)->eo_u32[2];				\
588 		*addr   = (_eop)->eo_u32[3];				\
589 									\
590 	_NOTE(CONSTANTCONDITION)					\
591 	} while (B_FALSE)
592 #endif
593 
594 /* BAR */
595 
596 #define	SFXGE_LOCK_NAME_MAX	16
597 
598 typedef struct efsys_bar_s {
599 	struct mtx		esb_lock;
600 	char			esb_lock_name[SFXGE_LOCK_NAME_MAX];
601 	bus_space_tag_t		esb_tag;
602 	bus_space_handle_t	esb_handle;
603 	int			esb_rid;
604 	struct resource		*esb_res;
605 } efsys_bar_t;
606 
607 #define	SFXGE_BAR_LOCK_INIT(_esbp, _ifname)				\
608 	do {								\
609 		snprintf((_esbp)->esb_lock_name,			\
610 			 sizeof((_esbp)->esb_lock_name),		\
611 			 "%s:bar", (_ifname));				\
612 		mtx_init(&(_esbp)->esb_lock, (_esbp)->esb_lock_name,	\
613 			 NULL, MTX_DEF);				\
614 	_NOTE(CONSTANTCONDITION)					\
615 	} while (B_FALSE)
616 #define	SFXGE_BAR_LOCK_DESTROY(_esbp)					\
617 	mtx_destroy(&(_esbp)->esb_lock)
618 #define	SFXGE_BAR_LOCK(_esbp)						\
619 	mtx_lock(&(_esbp)->esb_lock)
620 #define	SFXGE_BAR_UNLOCK(_esbp)						\
621 	mtx_unlock(&(_esbp)->esb_lock)
622 
623 #define	EFSYS_BAR_READD(_esbp, _offset, _edp, _lock)			\
624 	do {								\
625 		_NOTE(CONSTANTCONDITION)				\
626 		KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,		\
627 		    sizeof (efx_dword_t)),				\
628 		    ("not power of 2 aligned"));			\
629 									\
630 		_NOTE(CONSTANTCONDITION)				\
631 		if (_lock)						\
632 			SFXGE_BAR_LOCK(_esbp);				\
633 									\
634 		(_edp)->ed_u32[0] = bus_space_read_stream_4(		\
635 		    (_esbp)->esb_tag, (_esbp)->esb_handle,		\
636 		    (_offset));						\
637 									\
638 		EFSYS_PROBE2(bar_readd, unsigned int, (_offset),	\
639 		    uint32_t, (_edp)->ed_u32[0]);			\
640 									\
641 		_NOTE(CONSTANTCONDITION)				\
642 		if (_lock)						\
643 			SFXGE_BAR_UNLOCK(_esbp);			\
644 	_NOTE(CONSTANTCONDITION)					\
645 	} while (B_FALSE)
646 
647 #if defined(SFXGE_USE_BUS_SPACE_8)
648 #define	EFSYS_BAR_READQ(_esbp, _offset, _eqp)				\
649 	do {								\
650 		_NOTE(CONSTANTCONDITION)				\
651 		KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,		\
652 		    sizeof (efx_qword_t)),				\
653 		    ("not power of 2 aligned"));			\
654 									\
655 		SFXGE_BAR_LOCK(_esbp);					\
656 									\
657 		(_eqp)->eq_u64[0] = bus_space_read_stream_8(		\
658 		    (_esbp)->esb_tag, (_esbp)->esb_handle,		\
659 		    (_offset));						\
660 									\
661 		EFSYS_PROBE3(bar_readq, unsigned int, (_offset),	\
662 		    uint32_t, (_eqp)->eq_u32[1],			\
663 		    uint32_t, (_eqp)->eq_u32[0]);			\
664 									\
665 		SFXGE_BAR_UNLOCK(_esbp);				\
666 	_NOTE(CONSTANTCONDITION)					\
667 	} while (B_FALSE)
668 
669 #define	EFSYS_BAR_READO(_esbp, _offset, _eop, _lock)			\
670 	do {								\
671 		_NOTE(CONSTANTCONDITION)				\
672 		KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,		\
673 		    sizeof (efx_oword_t)),				\
674 		    ("not power of 2 aligned"));			\
675 									\
676 		_NOTE(CONSTANTCONDITION)				\
677 		if (_lock)						\
678 			SFXGE_BAR_LOCK(_esbp);				\
679 									\
680 		(_eop)->eo_u64[0] = bus_space_read_stream_8(		\
681 		    (_esbp)->esb_tag, (_esbp)->esb_handle,		\
682 		    (_offset));						\
683 		(_eop)->eo_u64[1] = bus_space_read_stream_8(		\
684 		    (_esbp)->esb_tag, (_esbp)->esb_handle,		\
685 		    (_offset) + 8);					\
686 									\
687 		EFSYS_PROBE5(bar_reado, unsigned int, (_offset),	\
688 		    uint32_t, (_eop)->eo_u32[3],			\
689 		    uint32_t, (_eop)->eo_u32[2],			\
690 		    uint32_t, (_eop)->eo_u32[1],			\
691 		    uint32_t, (_eop)->eo_u32[0]);			\
692 									\
693 		_NOTE(CONSTANTCONDITION)				\
694 		if (_lock)						\
695 			SFXGE_BAR_UNLOCK(_esbp);			\
696 	_NOTE(CONSTANTCONDITION)					\
697 	} while (B_FALSE)
698 
699 #else
700 #define	EFSYS_BAR_READQ(_esbp, _offset, _eqp)				\
701 	do {								\
702 		_NOTE(CONSTANTCONDITION)				\
703 		KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,		\
704 		    sizeof (efx_qword_t)),				\
705 		    ("not power of 2 aligned"));			\
706 									\
707 		SFXGE_BAR_LOCK(_esbp);					\
708 									\
709 		(_eqp)->eq_u32[0] = bus_space_read_stream_4(		\
710 		    (_esbp)->esb_tag, (_esbp)->esb_handle,		\
711 		    (_offset));						\
712 		(_eqp)->eq_u32[1] = bus_space_read_stream_4(		\
713 		    (_esbp)->esb_tag, (_esbp)->esb_handle,		\
714 		    (_offset) + 4);					\
715 									\
716 		EFSYS_PROBE3(bar_readq, unsigned int, (_offset),	\
717 		    uint32_t, (_eqp)->eq_u32[1],			\
718 		    uint32_t, (_eqp)->eq_u32[0]);			\
719 									\
720 		SFXGE_BAR_UNLOCK(_esbp);				\
721 	_NOTE(CONSTANTCONDITION)					\
722 	} while (B_FALSE)
723 
724 #define	EFSYS_BAR_READO(_esbp, _offset, _eop, _lock)			\
725 	do {								\
726 		_NOTE(CONSTANTCONDITION)				\
727 		KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,		\
728 		    sizeof (efx_oword_t)),				\
729 		    ("not power of 2 aligned"));			\
730 									\
731 		_NOTE(CONSTANTCONDITION)				\
732 		if (_lock)						\
733 			SFXGE_BAR_LOCK(_esbp);				\
734 									\
735 		(_eop)->eo_u32[0] = bus_space_read_stream_4(		\
736 		    (_esbp)->esb_tag, (_esbp)->esb_handle,		\
737 		    (_offset));						\
738 		(_eop)->eo_u32[1] = bus_space_read_stream_4(		\
739 		    (_esbp)->esb_tag, (_esbp)->esb_handle,		\
740 		    (_offset) + 4);					\
741 		(_eop)->eo_u32[2] = bus_space_read_stream_4(		\
742 		    (_esbp)->esb_tag, (_esbp)->esb_handle,		\
743 		    (_offset) + 8);					\
744 		(_eop)->eo_u32[3] = bus_space_read_stream_4(		\
745 		    (_esbp)->esb_tag, (_esbp)->esb_handle,		\
746 		    (_offset) + 12);					\
747 									\
748 		EFSYS_PROBE5(bar_reado, unsigned int, (_offset),	\
749 		    uint32_t, (_eop)->eo_u32[3],			\
750 		    uint32_t, (_eop)->eo_u32[2],			\
751 		    uint32_t, (_eop)->eo_u32[1],			\
752 		    uint32_t, (_eop)->eo_u32[0]);			\
753 									\
754 		_NOTE(CONSTANTCONDITION)				\
755 		if (_lock)						\
756 			SFXGE_BAR_UNLOCK(_esbp);			\
757 	_NOTE(CONSTANTCONDITION)					\
758 	} while (B_FALSE)
759 #endif
760 
761 #define	EFSYS_BAR_WRITED(_esbp, _offset, _edp, _lock)			\
762 	do {								\
763 		_NOTE(CONSTANTCONDITION)				\
764 		KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,		\
765 		    sizeof (efx_dword_t)),				\
766 		    ("not power of 2 aligned"));			\
767 									\
768 		_NOTE(CONSTANTCONDITION)				\
769 		if (_lock)						\
770 			SFXGE_BAR_LOCK(_esbp);				\
771 									\
772 		EFSYS_PROBE2(bar_writed, unsigned int, (_offset),	\
773 		    uint32_t, (_edp)->ed_u32[0]);			\
774 									\
775 		/*							\
776 		 * Make sure that previous writes to the dword have	\
777 		 * been done. It should be cheaper than barrier just	\
778 		 * after the write below.				\
779 		 */							\
780 		bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
781 		    (_offset), sizeof (efx_dword_t),			\
782 		    BUS_SPACE_BARRIER_WRITE);				\
783 		bus_space_write_stream_4((_esbp)->esb_tag,		\
784 		    (_esbp)->esb_handle,				\
785 		    (_offset), (_edp)->ed_u32[0]);			\
786 									\
787 		_NOTE(CONSTANTCONDITION)				\
788 		if (_lock)						\
789 			SFXGE_BAR_UNLOCK(_esbp);			\
790 	_NOTE(CONSTANTCONDITION)					\
791 	} while (B_FALSE)
792 
793 #if defined(SFXGE_USE_BUS_SPACE_8)
794 #define	EFSYS_BAR_WRITEQ(_esbp, _offset, _eqp)				\
795 	do {								\
796 		_NOTE(CONSTANTCONDITION)				\
797 		KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,		\
798 		    sizeof (efx_qword_t)),				\
799 		    ("not power of 2 aligned"));			\
800 									\
801 		SFXGE_BAR_LOCK(_esbp);					\
802 									\
803 		EFSYS_PROBE3(bar_writeq, unsigned int, (_offset),	\
804 		    uint32_t, (_eqp)->eq_u32[1],			\
805 		    uint32_t, (_eqp)->eq_u32[0]);			\
806 									\
807 		/*							\
808 		 * Make sure that previous writes to the qword have	\
809 		 * been done. It should be cheaper than barrier just	\
810 		 * after the write below.				\
811 		 */							\
812 		bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
813 		    (_offset), sizeof (efx_qword_t),			\
814 		    BUS_SPACE_BARRIER_WRITE);				\
815 		bus_space_write_stream_8((_esbp)->esb_tag,		\
816 		    (_esbp)->esb_handle,				\
817 		    (_offset), (_eqp)->eq_u64[0]);			\
818 									\
819 		SFXGE_BAR_UNLOCK(_esbp);				\
820 	_NOTE(CONSTANTCONDITION)					\
821 	} while (B_FALSE)
822 #else
823 #define	EFSYS_BAR_WRITEQ(_esbp, _offset, _eqp)				\
824 	do {								\
825 		_NOTE(CONSTANTCONDITION)				\
826 		KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,		\
827 		    sizeof (efx_qword_t)),				\
828 		    ("not power of 2 aligned"));			\
829 									\
830 		SFXGE_BAR_LOCK(_esbp);					\
831 									\
832 		EFSYS_PROBE3(bar_writeq, unsigned int, (_offset),	\
833 		    uint32_t, (_eqp)->eq_u32[1],			\
834 		    uint32_t, (_eqp)->eq_u32[0]);			\
835 									\
836 		/*							\
837 		 * Make sure that previous writes to the qword have	\
838 		 * been done. It should be cheaper than barrier just	\
839 		 * after the last write below.				\
840 		 */							\
841 		bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
842 		    (_offset), sizeof (efx_qword_t),			\
843 		    BUS_SPACE_BARRIER_WRITE);				\
844 		bus_space_write_stream_4((_esbp)->esb_tag,		\
845 		    (_esbp)->esb_handle,				\
846 		    (_offset), (_eqp)->eq_u32[0]);			\
847 		/*							\
848 		 * It should be guaranteed that the last dword comes	\
849 		 * the last, so barrier entire qword to be sure that	\
850 		 * neither above nor below writes are reordered.	\
851 		 */							\
852 		bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
853 		    (_offset), sizeof (efx_qword_t),			\
854 		    BUS_SPACE_BARRIER_WRITE);				\
855 		bus_space_write_stream_4((_esbp)->esb_tag,		\
856 		    (_esbp)->esb_handle,				\
857 		    (_offset) + 4, (_eqp)->eq_u32[1]);			\
858 									\
859 		SFXGE_BAR_UNLOCK(_esbp);				\
860 	_NOTE(CONSTANTCONDITION)					\
861 	} while (B_FALSE)
862 #endif
863 
864 /*
865  * Guarantees 64bit aligned 64bit writes to write combined BAR mapping
866  * (required by PIO hardware)
867  */
868 #define	EFSYS_BAR_WC_WRITEQ(_esbp, _offset, _eqp)			\
869 	do {								\
870 		_NOTE(CONSTANTCONDITION)				\
871 		KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,		\
872 		    sizeof (efx_qword_t)),				\
873 		    ("not power of 2 aligned"));			\
874 									\
875 		(void) (_esbp);						\
876 									\
877 		/* FIXME: Perform a 64-bit write */			\
878 		KASSERT(0, ("not implemented"));			\
879 									\
880 	_NOTE(CONSTANTCONDITION)					\
881 	} while (B_FALSE)
882 
883 #if defined(SFXGE_USE_BUS_SPACE_8)
884 #define	EFSYS_BAR_WRITEO(_esbp, _offset, _eop, _lock)			\
885 	do {								\
886 		_NOTE(CONSTANTCONDITION)				\
887 		KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,		\
888 		    sizeof (efx_oword_t)),				\
889 		    ("not power of 2 aligned"));			\
890 									\
891 		_NOTE(CONSTANTCONDITION)				\
892 		if (_lock)						\
893 			SFXGE_BAR_LOCK(_esbp);				\
894 									\
895 		EFSYS_PROBE5(bar_writeo, unsigned int, (_offset),	\
896 		    uint32_t, (_eop)->eo_u32[3],			\
897 		    uint32_t, (_eop)->eo_u32[2],			\
898 		    uint32_t, (_eop)->eo_u32[1],			\
899 		    uint32_t, (_eop)->eo_u32[0]);			\
900 									\
901 		/*							\
902 		 * Make sure that previous writes to the oword have	\
903 		 * been done. It should be cheaper than barrier just	\
904 		 * after the last write below.				\
905 		 */							\
906 		bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
907 		    (_offset), sizeof (efx_oword_t),			\
908 		    BUS_SPACE_BARRIER_WRITE);				\
909 		bus_space_write_stream_8((_esbp)->esb_tag,		\
910 		    (_esbp)->esb_handle,				\
911 		    (_offset), (_eop)->eo_u64[0]);			\
912 		/*							\
913 		 * It should be guaranteed that the last qword comes	\
914 		 * the last, so barrier entire oword to be sure that	\
915 		 * neither above nor below writes are reordered.	\
916 		 */							\
917 		bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
918 		    (_offset), sizeof (efx_oword_t),			\
919 		    BUS_SPACE_BARRIER_WRITE);				\
920 		bus_space_write_stream_8((_esbp)->esb_tag,		\
921 		    (_esbp)->esb_handle,				\
922 		    (_offset) + 8, (_eop)->eo_u64[1]);			\
923 									\
924 		_NOTE(CONSTANTCONDITION)				\
925 		if (_lock)						\
926 			SFXGE_BAR_UNLOCK(_esbp);			\
927 	_NOTE(CONSTANTCONDITION)					\
928 	} while (B_FALSE)
929 
930 #else
931 #define	EFSYS_BAR_WRITEO(_esbp, _offset, _eop, _lock)			\
932 	do {								\
933 		_NOTE(CONSTANTCONDITION)				\
934 		KASSERT(EFX_IS_P2ALIGNED(size_t, _offset,		\
935 		    sizeof (efx_oword_t)),				\
936 		    ("not power of 2 aligned"));			\
937 									\
938 		_NOTE(CONSTANTCONDITION)				\
939 		if (_lock)						\
940 			SFXGE_BAR_LOCK(_esbp);				\
941 									\
942 		EFSYS_PROBE5(bar_writeo, unsigned int, (_offset),	\
943 		    uint32_t, (_eop)->eo_u32[3],			\
944 		    uint32_t, (_eop)->eo_u32[2],			\
945 		    uint32_t, (_eop)->eo_u32[1],			\
946 		    uint32_t, (_eop)->eo_u32[0]);			\
947 									\
948 		/*							\
949 		 * Make sure that previous writes to the oword have	\
950 		 * been done. It should be cheaper than barrier just	\
951 		 * after the last write below.				\
952 		 */							\
953 		bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
954 		    (_offset), sizeof (efx_oword_t),			\
955 		    BUS_SPACE_BARRIER_WRITE);				\
956 		bus_space_write_stream_4((_esbp)->esb_tag,		\
957 		    (_esbp)->esb_handle,				\
958 		    (_offset), (_eop)->eo_u32[0]);			\
959 		bus_space_write_stream_4((_esbp)->esb_tag,		\
960 		    (_esbp)->esb_handle,				\
961 		    (_offset) + 4, (_eop)->eo_u32[1]);			\
962 		bus_space_write_stream_4((_esbp)->esb_tag,		\
963 		    (_esbp)->esb_handle,				\
964 		    (_offset) + 8, (_eop)->eo_u32[2]);			\
965 		/*							\
966 		 * It should be guaranteed that the last dword comes	\
967 		 * the last, so barrier entire oword to be sure that	\
968 		 * neither above nor below writes are reordered.	\
969 		 */							\
970 		bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
971 		    (_offset), sizeof (efx_oword_t),			\
972 		    BUS_SPACE_BARRIER_WRITE);				\
973 		bus_space_write_stream_4((_esbp)->esb_tag,		\
974 		    (_esbp)->esb_handle,				\
975 		    (_offset) + 12, (_eop)->eo_u32[3]);			\
976 									\
977 		_NOTE(CONSTANTCONDITION)				\
978 		if (_lock)						\
979 			SFXGE_BAR_UNLOCK(_esbp);			\
980 	_NOTE(CONSTANTCONDITION)					\
981 	} while (B_FALSE)
982 #endif
983 
984 /* Use the standard octo-word write for doorbell writes */
985 #define	EFSYS_BAR_DOORBELL_WRITEO(_esbp, _offset, _eop)			\
986 	do {								\
987 		EFSYS_BAR_WRITEO((_esbp), (_offset), (_eop), B_FALSE);	\
988 	_NOTE(CONSTANTCONDITION)					\
989 	} while (B_FALSE)
990 
991 /* SPIN */
992 
993 #define	EFSYS_SPIN(_us)							\
994 	do {								\
995 		DELAY(_us);						\
996 	_NOTE(CONSTANTCONDITION)					\
997 	} while (B_FALSE)
998 
999 #define	EFSYS_SLEEP	EFSYS_SPIN
1000 
1001 /* BARRIERS */
1002 
1003 #define	EFSYS_MEM_READ_BARRIER()	rmb()
1004 #define	EFSYS_PIO_WRITE_BARRIER()
1005 
1006 /* DMA SYNC */
1007 #define	EFSYS_DMA_SYNC_FOR_KERNEL(_esmp, _offset, _size)		\
1008 	do {								\
1009 		bus_dmamap_sync((_esmp)->esm_tag,			\
1010 		    (_esmp)->esm_map,					\
1011 		    BUS_DMASYNC_POSTREAD);				\
1012 	_NOTE(CONSTANTCONDITION)					\
1013 	} while (B_FALSE)
1014 
1015 #define	EFSYS_DMA_SYNC_FOR_DEVICE(_esmp, _offset, _size)		\
1016 	do {								\
1017 		bus_dmamap_sync((_esmp)->esm_tag,			\
1018 		    (_esmp)->esm_map,					\
1019 		    BUS_DMASYNC_PREWRITE);				\
1020 	_NOTE(CONSTANTCONDITION)					\
1021 	} while (B_FALSE)
1022 
1023 /* TIMESTAMP */
1024 
1025 typedef	clock_t	efsys_timestamp_t;
1026 
1027 #define	EFSYS_TIMESTAMP(_usp)						\
1028 	do {								\
1029 		clock_t now;						\
1030 									\
1031 		now = ticks;						\
1032 		*(_usp) = now * hz / 1000000;				\
1033 	_NOTE(CONSTANTCONDITION)					\
1034 	} while (B_FALSE)
1035 
1036 /* KMEM */
1037 
1038 #define	EFSYS_KMEM_ALLOC(_esip, _size, _p)				\
1039 	do {								\
1040 		(_esip) = (_esip);					\
1041 		/*							\
1042 		 * The macro is used in non-sleepable contexts, for	\
1043 		 * example, holding a mutex.				\
1044 		 */							\
1045 		(_p) = malloc((_size), M_SFXGE, M_NOWAIT|M_ZERO);	\
1046 	_NOTE(CONSTANTCONDITION)					\
1047 	} while (B_FALSE)
1048 
1049 #define	EFSYS_KMEM_FREE(_esip, _size, _p)				\
1050 	do {								\
1051 		(void) (_esip);						\
1052 		(void) (_size);						\
1053 		free((_p), M_SFXGE);					\
1054 	_NOTE(CONSTANTCONDITION)					\
1055 	} while (B_FALSE)
1056 
1057 /* LOCK */
1058 
1059 typedef struct efsys_lock_s {
1060 	struct mtx	lock;
1061 	char		lock_name[SFXGE_LOCK_NAME_MAX];
1062 } efsys_lock_t;
1063 
1064 #define	SFXGE_EFSYS_LOCK_INIT(_eslp, _ifname, _label)			\
1065 	do {								\
1066 		efsys_lock_t *__eslp = (_eslp);				\
1067 									\
1068 		snprintf((__eslp)->lock_name,				\
1069 			 sizeof((__eslp)->lock_name),			\
1070 			 "%s:%s", (_ifname), (_label));			\
1071 		mtx_init(&(__eslp)->lock, (__eslp)->lock_name,		\
1072 			 NULL, MTX_DEF);				\
1073 	} while (B_FALSE)
1074 #define	SFXGE_EFSYS_LOCK_DESTROY(_eslp)					\
1075 	mtx_destroy(&(_eslp)->lock)
1076 #define	SFXGE_EFSYS_LOCK(_eslp)						\
1077 	mtx_lock(&(_eslp)->lock)
1078 #define	SFXGE_EFSYS_UNLOCK(_eslp)					\
1079 	mtx_unlock(&(_eslp)->lock)
1080 #define	SFXGE_EFSYS_LOCK_ASSERT_OWNED(_eslp)				\
1081 	mtx_assert(&(_eslp)->lock, MA_OWNED)
1082 
1083 typedef int efsys_lock_state_t;
1084 
1085 #define	EFSYS_LOCK_MAGIC	0x000010c4
1086 
1087 #define	EFSYS_LOCK(_lockp, _state)					\
1088 	do {								\
1089 		SFXGE_EFSYS_LOCK(_lockp);				\
1090 		(_state) = EFSYS_LOCK_MAGIC;				\
1091 	_NOTE(CONSTANTCONDITION)					\
1092 	} while (B_FALSE)
1093 
1094 #define	EFSYS_UNLOCK(_lockp, _state)					\
1095 	do {								\
1096 		if ((_state) != EFSYS_LOCK_MAGIC)			\
1097 			KASSERT(B_FALSE, ("not locked"));		\
1098 		SFXGE_EFSYS_UNLOCK(_lockp);				\
1099 	_NOTE(CONSTANTCONDITION)					\
1100 	} while (B_FALSE)
1101 
1102 /* STAT */
1103 
1104 typedef uint64_t		efsys_stat_t;
1105 
1106 #define	EFSYS_STAT_INCR(_knp, _delta) 					\
1107 	do {								\
1108 		*(_knp) += (_delta);					\
1109 	_NOTE(CONSTANTCONDITION)					\
1110 	} while (B_FALSE)
1111 
1112 #define	EFSYS_STAT_DECR(_knp, _delta) 					\
1113 	do {								\
1114 		*(_knp) -= (_delta);					\
1115 	_NOTE(CONSTANTCONDITION)					\
1116 	} while (B_FALSE)
1117 
1118 #define	EFSYS_STAT_SET(_knp, _val)					\
1119 	do {								\
1120 		*(_knp) = (_val);					\
1121 	_NOTE(CONSTANTCONDITION)					\
1122 	} while (B_FALSE)
1123 
1124 #define	EFSYS_STAT_SET_QWORD(_knp, _valp)				\
1125 	do {								\
1126 		*(_knp) = le64toh((_valp)->eq_u64[0]);			\
1127 	_NOTE(CONSTANTCONDITION)					\
1128 	} while (B_FALSE)
1129 
1130 #define	EFSYS_STAT_SET_DWORD(_knp, _valp)				\
1131 	do {								\
1132 		*(_knp) = le32toh((_valp)->ed_u32[0]);			\
1133 	_NOTE(CONSTANTCONDITION)					\
1134 	} while (B_FALSE)
1135 
1136 #define	EFSYS_STAT_INCR_QWORD(_knp, _valp)				\
1137 	do {								\
1138 		*(_knp) += le64toh((_valp)->eq_u64[0]);			\
1139 	_NOTE(CONSTANTCONDITION)					\
1140 	} while (B_FALSE)
1141 
1142 #define	EFSYS_STAT_SUBR_QWORD(_knp, _valp)				\
1143 	do {								\
1144 		*(_knp) -= le64toh((_valp)->eq_u64[0]);			\
1145 	_NOTE(CONSTANTCONDITION)					\
1146 	} while (B_FALSE)
1147 
1148 /* ERR */
1149 
1150 extern void	sfxge_err(efsys_identifier_t *, unsigned int,
1151 		    uint32_t, uint32_t);
1152 
1153 #if EFSYS_OPT_DECODE_INTR_FATAL
1154 #define	EFSYS_ERR(_esip, _code, _dword0, _dword1)			\
1155 	do {								\
1156 		sfxge_err((_esip), (_code), (_dword0), (_dword1));	\
1157 	_NOTE(CONSTANTCONDITION)					\
1158 	} while (B_FALSE)
1159 #endif
1160 
1161 /* ASSERT */
1162 
1163 #define	EFSYS_ASSERT(_exp) do {						\
1164 	if (!(_exp))							\
1165 		panic("%s", #_exp);					\
1166 	} while (0)
1167 
1168 #define	EFSYS_ASSERT3(_x, _op, _y, _t) do {				\
1169 	const _t __x = (_t)(_x);					\
1170 	const _t __y = (_t)(_y);					\
1171 	if (!(__x _op __y))						\
1172 		panic("assertion failed at %s:%u", __FILE__, __LINE__);	\
1173 	} while(0)
1174 
1175 #define	EFSYS_ASSERT3U(_x, _op, _y)	EFSYS_ASSERT3(_x, _op, _y, uint64_t)
1176 #define	EFSYS_ASSERT3S(_x, _op, _y)	EFSYS_ASSERT3(_x, _op, _y, int64_t)
1177 #define	EFSYS_ASSERT3P(_x, _op, _y)	EFSYS_ASSERT3(_x, _op, _y, uintptr_t)
1178 
1179 /* ROTATE */
1180 
1181 #define	EFSYS_HAS_ROTL_DWORD 0
1182 
1183 #ifdef	__cplusplus
1184 }
1185 #endif
1186 
1187 #endif	/* _SYS_EFSYS_H */
1188