xref: /freebsd/sys/dev/sfxge/common/efsys.h (revision 85732ac8)
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 IS_P2ALIGNED
88 #define	IS_P2ALIGNED(v, a)	((((uintptr_t)(v)) & ((uintptr_t)(a) - 1)) == 0)
89 #endif
90 
91 #ifndef P2ROUNDUP
92 #define	P2ROUNDUP(x, align)	(-(-(x) & -(align)))
93 #endif
94 
95 #ifndef P2ALIGN
96 #define	P2ALIGN(_x, _a)		((_x) & -(_a))
97 #endif
98 
99 #ifndef IS2P
100 #define	ISP2(x)			(((x) & ((x) - 1)) == 0)
101 #endif
102 
103 #if defined(__x86_64__) && __FreeBSD_version >= 1000000
104 
105 #define	SFXGE_USE_BUS_SPACE_8		1
106 
107 #if !defined(bus_space_read_stream_8)
108 
109 #define	bus_space_read_stream_8(t, h, o)				\
110 	bus_space_read_8((t), (h), (o))
111 
112 #define	bus_space_write_stream_8(t, h, o, v)				\
113 	bus_space_write_8((t), (h), (o), (v))
114 
115 #endif
116 
117 #endif
118 
119 #define	ENOTACTIVE EINVAL
120 
121 /* Memory type to use on FreeBSD */
122 MALLOC_DECLARE(M_SFXGE);
123 
124 /* Machine dependend prefetch wrappers */
125 #if defined(__i386__) || defined(__amd64__)
126 static __inline void
127 prefetch_read_many(void *addr)
128 {
129 
130 	__asm__(
131 	    "prefetcht0 (%0)"
132 	    :
133 	    : "r" (addr));
134 }
135 
136 static __inline void
137 prefetch_read_once(void *addr)
138 {
139 
140 	__asm__(
141 	    "prefetchnta (%0)"
142 	    :
143 	    : "r" (addr));
144 }
145 #elif defined(__sparc64__)
146 static __inline void
147 prefetch_read_many(void *addr)
148 {
149 
150 	__asm__(
151 	    "prefetch [%0], 0"
152 	    :
153 	    : "r" (addr));
154 }
155 
156 static __inline void
157 prefetch_read_once(void *addr)
158 {
159 
160 	__asm__(
161 	    "prefetch [%0], 1"
162 	    :
163 	    : "r" (addr));
164 }
165 #else
166 static __inline void
167 prefetch_read_many(void *addr)
168 {
169 
170 }
171 
172 static __inline void
173 prefetch_read_once(void *addr)
174 {
175 
176 }
177 #endif
178 
179 #if defined(__i386__) || defined(__amd64__)
180 #include <vm/vm.h>
181 #include <vm/pmap.h>
182 #endif
183 static __inline void
184 sfxge_map_mbuf_fast(bus_dma_tag_t tag, bus_dmamap_t map,
185 		    struct mbuf *m, bus_dma_segment_t *seg)
186 {
187 #if defined(__i386__) || defined(__amd64__)
188 	seg->ds_addr = pmap_kextract(mtod(m, vm_offset_t));
189 	seg->ds_len = m->m_len;
190 #else
191 	int nsegstmp;
192 
193 	bus_dmamap_load_mbuf_sg(tag, map, m, seg, &nsegstmp, 0);
194 #endif
195 }
196 
197 /* Code inclusion options */
198 
199 
200 #define	EFSYS_OPT_NAMES 1
201 
202 #define	EFSYS_OPT_SIENA 1
203 #define	EFSYS_OPT_HUNTINGTON 1
204 #define	EFSYS_OPT_MEDFORD 1
205 #define	EFSYS_OPT_MEDFORD2 1
206 #ifdef DEBUG
207 #define	EFSYS_OPT_CHECK_REG 1
208 #else
209 #define	EFSYS_OPT_CHECK_REG 0
210 #endif
211 
212 #define	EFSYS_OPT_MCDI 1
213 #define	EFSYS_OPT_MCDI_LOGGING 0
214 #define	EFSYS_OPT_MCDI_PROXY_AUTH 0
215 
216 #define	EFSYS_OPT_MAC_STATS 1
217 
218 #define	EFSYS_OPT_LOOPBACK 0
219 
220 #define	EFSYS_OPT_MON_MCDI 0
221 #define	EFSYS_OPT_MON_STATS 0
222 
223 #define	EFSYS_OPT_PHY_STATS 1
224 #define	EFSYS_OPT_BIST 1
225 #define	EFSYS_OPT_PHY_LED_CONTROL 1
226 #define	EFSYS_OPT_PHY_FLAGS 0
227 
228 #define	EFSYS_OPT_VPD 1
229 #define	EFSYS_OPT_NVRAM 1
230 #define	EFSYS_OPT_BOOTCFG 0
231 #define	EFSYS_OPT_IMAGE_LAYOUT 0
232 
233 #define	EFSYS_OPT_DIAG 0
234 #define	EFSYS_OPT_RX_SCALE 1
235 #define	EFSYS_OPT_QSTATS 1
236 #define	EFSYS_OPT_FILTER 1
237 #define	EFSYS_OPT_RX_SCATTER 0
238 
239 #define	EFSYS_OPT_EV_PREFETCH 0
240 
241 #define	EFSYS_OPT_DECODE_INTR_FATAL 1
242 
243 #define	EFSYS_OPT_LICENSING 0
244 
245 #define	EFSYS_OPT_ALLOW_UNCONFIGURED_NIC 0
246 
247 #define	EFSYS_OPT_RX_PACKED_STREAM 0
248 
249 #define	EFSYS_OPT_RX_ES_SUPER_BUFFER 0
250 
251 #define	EFSYS_OPT_TUNNEL 0
252 
253 #define	EFSYS_OPT_FW_SUBVARIANT_AWARE 0
254 
255 /* ID */
256 
257 typedef struct __efsys_identifier_s	efsys_identifier_t;
258 
259 /* PROBE */
260 
261 #ifndef DTRACE_PROBE
262 
263 #define	EFSYS_PROBE(_name)
264 
265 #define	EFSYS_PROBE1(_name, _type1, _arg1)
266 
267 #define	EFSYS_PROBE2(_name, _type1, _arg1, _type2, _arg2)
268 
269 #define	EFSYS_PROBE3(_name, _type1, _arg1, _type2, _arg2,		\
270 	    _type3, _arg3)
271 
272 #define	EFSYS_PROBE4(_name, _type1, _arg1, _type2, _arg2,		\
273 	    _type3, _arg3, _type4, _arg4)
274 
275 #define	EFSYS_PROBE5(_name, _type1, _arg1, _type2, _arg2,		\
276 	    _type3, _arg3, _type4, _arg4, _type5, _arg5)
277 
278 #define	EFSYS_PROBE6(_name, _type1, _arg1, _type2, _arg2,		\
279 	    _type3, _arg3, _type4, _arg4, _type5, _arg5,		\
280 	    _type6, _arg6)
281 
282 #define	EFSYS_PROBE7(_name, _type1, _arg1, _type2, _arg2,		\
283 	    _type3, _arg3, _type4, _arg4, _type5, _arg5,		\
284 	    _type6, _arg6, _type7, _arg7)
285 
286 #else /* DTRACE_PROBE */
287 
288 #define	EFSYS_PROBE(_name)						\
289 	DTRACE_PROBE(_name)
290 
291 #define	EFSYS_PROBE1(_name, _type1, _arg1)				\
292 	DTRACE_PROBE1(_name, _type1, _arg1)
293 
294 #define	EFSYS_PROBE2(_name, _type1, _arg1, _type2, _arg2)		\
295 	DTRACE_PROBE2(_name, _type1, _arg1, _type2, _arg2)
296 
297 #define	EFSYS_PROBE3(_name, _type1, _arg1, _type2, _arg2,		\
298 	    _type3, _arg3)						\
299 	DTRACE_PROBE3(_name, _type1, _arg1, _type2, _arg2,		\
300 	    _type3, _arg3)
301 
302 #define	EFSYS_PROBE4(_name, _type1, _arg1, _type2, _arg2,		\
303 	    _type3, _arg3, _type4, _arg4)				\
304 	DTRACE_PROBE4(_name, _type1, _arg1, _type2, _arg2,		\
305 	    _type3, _arg3, _type4, _arg4)
306 
307 #ifdef DTRACE_PROBE5
308 #define	EFSYS_PROBE5(_name, _type1, _arg1, _type2, _arg2,		\
309 	    _type3, _arg3, _type4, _arg4, _type5, _arg5)		\
310 	DTRACE_PROBE5(_name, _type1, _arg1, _type2, _arg2,		\
311 	    _type3, _arg3, _type4, _arg4, _type5, _arg5)
312 #else
313 #define	EFSYS_PROBE5(_name, _type1, _arg1, _type2, _arg2,		\
314 	    _type3, _arg3, _type4, _arg4, _type5, _arg5)		\
315 	DTRACE_PROBE4(_name, _type1, _arg1, _type2, _arg2,		\
316 	    _type3, _arg3, _type4, _arg4)
317 #endif
318 
319 #ifdef DTRACE_PROBE6
320 #define	EFSYS_PROBE6(_name, _type1, _arg1, _type2, _arg2,		\
321 	    _type3, _arg3, _type4, _arg4, _type5, _arg5,		\
322 	    _type6, _arg6)						\
323 	DTRACE_PROBE6(_name, _type1, _arg1, _type2, _arg2,		\
324 	    _type3, _arg3, _type4, _arg4, _type5, _arg5,		\
325 	    _type6, _arg6)
326 #else
327 #define	EFSYS_PROBE6(_name, _type1, _arg1, _type2, _arg2,		\
328 	    _type3, _arg3, _type4, _arg4, _type5, _arg5,		\
329 	    _type6, _arg6)						\
330 	EFSYS_PROBE5(_name, _type1, _arg1, _type2, _arg2,		\
331 	    _type3, _arg3, _type4, _arg4, _type5, _arg5)
332 #endif
333 
334 #ifdef DTRACE_PROBE7
335 #define	EFSYS_PROBE7(_name, _type1, _arg1, _type2, _arg2,		\
336 	    _type3, _arg3, _type4, _arg4, _type5, _arg5,		\
337 	    _type6, _arg6, _type7, _arg7)				\
338 	DTRACE_PROBE7(_name, _type1, _arg1, _type2, _arg2,		\
339 	    _type3, _arg3, _type4, _arg4, _type5, _arg5,		\
340 	    _type6, _arg6, _type7, _arg7)
341 #else
342 #define	EFSYS_PROBE7(_name, _type1, _arg1, _type2, _arg2,		\
343 	    _type3, _arg3, _type4, _arg4, _type5, _arg5,		\
344 	    _type6, _arg6, _type7, _arg7)				\
345 	EFSYS_PROBE6(_name, _type1, _arg1, _type2, _arg2,		\
346 	    _type3, _arg3, _type4, _arg4, _type5, _arg5,		\
347 	    _type6, _arg6)
348 #endif
349 
350 #endif /* DTRACE_PROBE */
351 
352 /* DMA */
353 
354 typedef uint64_t		efsys_dma_addr_t;
355 
356 typedef struct efsys_mem_s {
357 	bus_dma_tag_t		esm_tag;
358 	bus_dmamap_t		esm_map;
359 	caddr_t			esm_base;
360 	efsys_dma_addr_t	esm_addr;
361 	size_t			esm_size;
362 } efsys_mem_t;
363 
364 #define	EFSYS_MEM_SIZE(_esmp)						\
365 	((_esmp)->esm_size)
366 
367 #define	EFSYS_MEM_ADDR(_esmp)						\
368 	((_esmp)->esm_addr)
369 
370 #define	EFSYS_MEM_IS_NULL(_esmp)					\
371 	((_esmp)->esm_base == NULL)
372 
373 
374 #define	EFSYS_MEM_ZERO(_esmp, _size)					\
375 	do {								\
376 		(void) memset((_esmp)->esm_base, 0, (_size));		\
377 									\
378 	_NOTE(CONSTANTCONDITION)					\
379 	} while (B_FALSE)
380 
381 #define	EFSYS_MEM_READD(_esmp, _offset, _edp)				\
382 	do {								\
383 		uint32_t *addr;						\
384 									\
385 		_NOTE(CONSTANTCONDITION)				\
386 		KASSERT(IS_P2ALIGNED(_offset, sizeof (efx_dword_t)),	\
387 		    ("not power of 2 aligned"));			\
388 									\
389 		addr = (void *)((_esmp)->esm_base + (_offset));		\
390 									\
391 		(_edp)->ed_u32[0] = *addr;				\
392 									\
393 		EFSYS_PROBE2(mem_readd, unsigned int, (_offset),	\
394 		    uint32_t, (_edp)->ed_u32[0]);			\
395 									\
396 	_NOTE(CONSTANTCONDITION)					\
397 	} while (B_FALSE)
398 
399 #if defined(__x86_64__)
400 #define	EFSYS_MEM_READQ(_esmp, _offset, _eqp)				\
401 	do {								\
402 		uint64_t *addr;						\
403 									\
404 		_NOTE(CONSTANTCONDITION)				\
405 		KASSERT(IS_P2ALIGNED(_offset, sizeof (efx_qword_t)),	\
406 		    ("not power of 2 aligned"));			\
407 									\
408 		addr = (void *)((_esmp)->esm_base + (_offset));		\
409 									\
410 		(_eqp)->eq_u64[0] = *addr;				\
411 									\
412 		EFSYS_PROBE3(mem_readq, unsigned int, (_offset),	\
413 		    uint32_t, (_eqp)->eq_u32[1],			\
414 		    uint32_t, (_eqp)->eq_u32[0]);			\
415 									\
416 	_NOTE(CONSTANTCONDITION)					\
417 	} while (B_FALSE)
418 #else
419 #define	EFSYS_MEM_READQ(_esmp, _offset, _eqp)				\
420 	do {								\
421 		uint32_t *addr;						\
422 									\
423 		_NOTE(CONSTANTCONDITION)				\
424 		KASSERT(IS_P2ALIGNED(_offset, sizeof (efx_qword_t)),	\
425 		    ("not power of 2 aligned"));			\
426 									\
427 		addr = (void *)((_esmp)->esm_base + (_offset));		\
428 									\
429 		(_eqp)->eq_u32[0] = *addr++;				\
430 		(_eqp)->eq_u32[1] = *addr;				\
431 									\
432 		EFSYS_PROBE3(mem_readq, unsigned int, (_offset),	\
433 		    uint32_t, (_eqp)->eq_u32[1],			\
434 		    uint32_t, (_eqp)->eq_u32[0]);			\
435 									\
436 	_NOTE(CONSTANTCONDITION)					\
437 	} while (B_FALSE)
438 #endif
439 
440 #if defined(__x86_64__)
441 #define	EFSYS_MEM_READO(_esmp, _offset, _eop)				\
442 	do {								\
443 		uint64_t *addr;						\
444 									\
445 		_NOTE(CONSTANTCONDITION)				\
446 		KASSERT(IS_P2ALIGNED(_offset, sizeof (efx_oword_t)),	\
447 		    ("not power of 2 aligned"));			\
448 									\
449 		addr = (void *)((_esmp)->esm_base + (_offset));		\
450 									\
451 		(_eop)->eo_u64[0] = *addr++;				\
452 		(_eop)->eo_u64[1] = *addr;				\
453 									\
454 		EFSYS_PROBE5(mem_reado, unsigned int, (_offset),	\
455 		    uint32_t, (_eop)->eo_u32[3],			\
456 		    uint32_t, (_eop)->eo_u32[2],			\
457 		    uint32_t, (_eop)->eo_u32[1],			\
458 		    uint32_t, (_eop)->eo_u32[0]);			\
459 									\
460 	_NOTE(CONSTANTCONDITION)					\
461 	} while (B_FALSE)
462 #else
463 #define	EFSYS_MEM_READO(_esmp, _offset, _eop)				\
464 	do {								\
465 		uint32_t *addr;						\
466 									\
467 		_NOTE(CONSTANTCONDITION)				\
468 		KASSERT(IS_P2ALIGNED(_offset, sizeof (efx_oword_t)),	\
469 		    ("not power of 2 aligned"));			\
470 									\
471 		addr = (void *)((_esmp)->esm_base + (_offset));		\
472 									\
473 		(_eop)->eo_u32[0] = *addr++;				\
474 		(_eop)->eo_u32[1] = *addr++;				\
475 		(_eop)->eo_u32[2] = *addr++;				\
476 		(_eop)->eo_u32[3] = *addr;				\
477 									\
478 		EFSYS_PROBE5(mem_reado, unsigned int, (_offset),	\
479 		    uint32_t, (_eop)->eo_u32[3],			\
480 		    uint32_t, (_eop)->eo_u32[2],			\
481 		    uint32_t, (_eop)->eo_u32[1],			\
482 		    uint32_t, (_eop)->eo_u32[0]);			\
483 									\
484 	_NOTE(CONSTANTCONDITION)					\
485 	} while (B_FALSE)
486 #endif
487 
488 #define	EFSYS_MEM_WRITED(_esmp, _offset, _edp)				\
489 	do {								\
490 		uint32_t *addr;						\
491 									\
492 		_NOTE(CONSTANTCONDITION)				\
493 		KASSERT(IS_P2ALIGNED(_offset, sizeof (efx_dword_t)),	\
494 		    ("not power of 2 aligned"));			\
495 									\
496 		EFSYS_PROBE2(mem_writed, unsigned int, (_offset),	\
497 		    uint32_t, (_edp)->ed_u32[0]);			\
498 									\
499 		addr = (void *)((_esmp)->esm_base + (_offset));		\
500 									\
501 		*addr = (_edp)->ed_u32[0];				\
502 									\
503 	_NOTE(CONSTANTCONDITION)					\
504 	} while (B_FALSE)
505 
506 #if defined(__x86_64__)
507 #define	EFSYS_MEM_WRITEQ(_esmp, _offset, _eqp)				\
508 	do {								\
509 		uint64_t *addr;						\
510 									\
511 		_NOTE(CONSTANTCONDITION)				\
512 		KASSERT(IS_P2ALIGNED(_offset, sizeof (efx_qword_t)),	\
513 		    ("not power of 2 aligned"));			\
514 									\
515 		EFSYS_PROBE3(mem_writeq, unsigned int, (_offset),	\
516 		    uint32_t, (_eqp)->eq_u32[1],			\
517 		    uint32_t, (_eqp)->eq_u32[0]);			\
518 									\
519 		addr = (void *)((_esmp)->esm_base + (_offset));		\
520 									\
521 		*addr   = (_eqp)->eq_u64[0];				\
522 									\
523 	_NOTE(CONSTANTCONDITION)					\
524 	} while (B_FALSE)
525 
526 #else
527 #define	EFSYS_MEM_WRITEQ(_esmp, _offset, _eqp)				\
528 	do {								\
529 		uint32_t *addr;						\
530 									\
531 		_NOTE(CONSTANTCONDITION)				\
532 		KASSERT(IS_P2ALIGNED(_offset, sizeof (efx_qword_t)),	\
533 		    ("not power of 2 aligned"));			\
534 									\
535 		EFSYS_PROBE3(mem_writeq, unsigned int, (_offset),	\
536 		    uint32_t, (_eqp)->eq_u32[1],			\
537 		    uint32_t, (_eqp)->eq_u32[0]);			\
538 									\
539 		addr = (void *)((_esmp)->esm_base + (_offset));		\
540 									\
541 		*addr++ = (_eqp)->eq_u32[0];				\
542 		*addr   = (_eqp)->eq_u32[1];				\
543 									\
544 	_NOTE(CONSTANTCONDITION)					\
545 	} while (B_FALSE)
546 #endif
547 
548 #if defined(__x86_64__)
549 #define	EFSYS_MEM_WRITEO(_esmp, _offset, _eop)				\
550 	do {								\
551 		uint64_t *addr;						\
552 									\
553 		_NOTE(CONSTANTCONDITION)				\
554 		KASSERT(IS_P2ALIGNED(_offset, sizeof (efx_oword_t)),	\
555 		    ("not power of 2 aligned"));			\
556 									\
557 		EFSYS_PROBE5(mem_writeo, unsigned int, (_offset),	\
558 		    uint32_t, (_eop)->eo_u32[3],			\
559 		    uint32_t, (_eop)->eo_u32[2],			\
560 		    uint32_t, (_eop)->eo_u32[1],			\
561 		    uint32_t, (_eop)->eo_u32[0]);			\
562 									\
563 		addr = (void *)((_esmp)->esm_base + (_offset));		\
564 									\
565 		*addr++ = (_eop)->eo_u64[0];				\
566 		*addr   = (_eop)->eo_u64[1];				\
567 									\
568 	_NOTE(CONSTANTCONDITION)					\
569 	} while (B_FALSE)
570 #else
571 #define	EFSYS_MEM_WRITEO(_esmp, _offset, _eop)				\
572 	do {								\
573 		uint32_t *addr;						\
574 									\
575 		_NOTE(CONSTANTCONDITION)				\
576 		KASSERT(IS_P2ALIGNED(_offset, sizeof (efx_oword_t)),	\
577 		    ("not power of 2 aligned"));			\
578 									\
579 		EFSYS_PROBE5(mem_writeo, unsigned int, (_offset),	\
580 		    uint32_t, (_eop)->eo_u32[3],			\
581 		    uint32_t, (_eop)->eo_u32[2],			\
582 		    uint32_t, (_eop)->eo_u32[1],			\
583 		    uint32_t, (_eop)->eo_u32[0]);			\
584 									\
585 		addr = (void *)((_esmp)->esm_base + (_offset));		\
586 									\
587 		*addr++ = (_eop)->eo_u32[0];				\
588 		*addr++ = (_eop)->eo_u32[1];				\
589 		*addr++ = (_eop)->eo_u32[2];				\
590 		*addr   = (_eop)->eo_u32[3];				\
591 									\
592 	_NOTE(CONSTANTCONDITION)					\
593 	} while (B_FALSE)
594 #endif
595 
596 /* BAR */
597 
598 #define	SFXGE_LOCK_NAME_MAX	16
599 
600 typedef struct efsys_bar_s {
601 	struct mtx		esb_lock;
602 	char			esb_lock_name[SFXGE_LOCK_NAME_MAX];
603 	bus_space_tag_t		esb_tag;
604 	bus_space_handle_t	esb_handle;
605 	int			esb_rid;
606 	struct resource		*esb_res;
607 } efsys_bar_t;
608 
609 #define	SFXGE_BAR_LOCK_INIT(_esbp, _ifname)				\
610 	do {								\
611 		snprintf((_esbp)->esb_lock_name,			\
612 			 sizeof((_esbp)->esb_lock_name),		\
613 			 "%s:bar", (_ifname));				\
614 		mtx_init(&(_esbp)->esb_lock, (_esbp)->esb_lock_name,	\
615 			 NULL, MTX_DEF);				\
616 	_NOTE(CONSTANTCONDITION)					\
617 	} while (B_FALSE)
618 #define	SFXGE_BAR_LOCK_DESTROY(_esbp)					\
619 	mtx_destroy(&(_esbp)->esb_lock)
620 #define	SFXGE_BAR_LOCK(_esbp)						\
621 	mtx_lock(&(_esbp)->esb_lock)
622 #define	SFXGE_BAR_UNLOCK(_esbp)						\
623 	mtx_unlock(&(_esbp)->esb_lock)
624 
625 #define	EFSYS_BAR_READD(_esbp, _offset, _edp, _lock)			\
626 	do {								\
627 		_NOTE(CONSTANTCONDITION)				\
628 		KASSERT(IS_P2ALIGNED(_offset, sizeof (efx_dword_t)),	\
629 		    ("not power of 2 aligned"));			\
630 									\
631 		_NOTE(CONSTANTCONDITION)				\
632 		if (_lock)						\
633 			SFXGE_BAR_LOCK(_esbp);				\
634 									\
635 		(_edp)->ed_u32[0] = bus_space_read_stream_4(		\
636 		    (_esbp)->esb_tag, (_esbp)->esb_handle,		\
637 		    (_offset));						\
638 									\
639 		EFSYS_PROBE2(bar_readd, unsigned int, (_offset),	\
640 		    uint32_t, (_edp)->ed_u32[0]);			\
641 									\
642 		_NOTE(CONSTANTCONDITION)				\
643 		if (_lock)						\
644 			SFXGE_BAR_UNLOCK(_esbp);			\
645 	_NOTE(CONSTANTCONDITION)					\
646 	} while (B_FALSE)
647 
648 #if defined(SFXGE_USE_BUS_SPACE_8)
649 #define	EFSYS_BAR_READQ(_esbp, _offset, _eqp)				\
650 	do {								\
651 		_NOTE(CONSTANTCONDITION)				\
652 		KASSERT(IS_P2ALIGNED(_offset, 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(IS_P2ALIGNED(_offset, sizeof (efx_oword_t)),	\
673 		    ("not power of 2 aligned"));			\
674 									\
675 		_NOTE(CONSTANTCONDITION)				\
676 		if (_lock)						\
677 			SFXGE_BAR_LOCK(_esbp);				\
678 									\
679 		(_eop)->eo_u64[0] = bus_space_read_stream_8(		\
680 		    (_esbp)->esb_tag, (_esbp)->esb_handle,		\
681 		    (_offset));						\
682 		(_eop)->eo_u64[1] = bus_space_read_stream_8(		\
683 		    (_esbp)->esb_tag, (_esbp)->esb_handle,		\
684 		    (_offset) + 8);					\
685 									\
686 		EFSYS_PROBE5(bar_reado, unsigned int, (_offset),	\
687 		    uint32_t, (_eop)->eo_u32[3],			\
688 		    uint32_t, (_eop)->eo_u32[2],			\
689 		    uint32_t, (_eop)->eo_u32[1],			\
690 		    uint32_t, (_eop)->eo_u32[0]);			\
691 									\
692 		_NOTE(CONSTANTCONDITION)				\
693 		if (_lock)						\
694 			SFXGE_BAR_UNLOCK(_esbp);			\
695 	_NOTE(CONSTANTCONDITION)					\
696 	} while (B_FALSE)
697 
698 #else
699 #define	EFSYS_BAR_READQ(_esbp, _offset, _eqp)				\
700 	do {								\
701 		_NOTE(CONSTANTCONDITION)				\
702 		KASSERT(IS_P2ALIGNED(_offset, sizeof (efx_qword_t)),	\
703 		    ("not power of 2 aligned"));			\
704 									\
705 		SFXGE_BAR_LOCK(_esbp);					\
706 									\
707 		(_eqp)->eq_u32[0] = bus_space_read_stream_4(		\
708 		    (_esbp)->esb_tag, (_esbp)->esb_handle,		\
709 		    (_offset));						\
710 		(_eqp)->eq_u32[1] = bus_space_read_stream_4(		\
711 		    (_esbp)->esb_tag, (_esbp)->esb_handle,		\
712 		    (_offset) + 4);					\
713 									\
714 		EFSYS_PROBE3(bar_readq, unsigned int, (_offset),	\
715 		    uint32_t, (_eqp)->eq_u32[1],			\
716 		    uint32_t, (_eqp)->eq_u32[0]);			\
717 									\
718 		SFXGE_BAR_UNLOCK(_esbp);				\
719 	_NOTE(CONSTANTCONDITION)					\
720 	} while (B_FALSE)
721 
722 #define	EFSYS_BAR_READO(_esbp, _offset, _eop, _lock)			\
723 	do {								\
724 		_NOTE(CONSTANTCONDITION)				\
725 		KASSERT(IS_P2ALIGNED(_offset, sizeof (efx_oword_t)),	\
726 		    ("not power of 2 aligned"));			\
727 									\
728 		_NOTE(CONSTANTCONDITION)				\
729 		if (_lock)						\
730 			SFXGE_BAR_LOCK(_esbp);				\
731 									\
732 		(_eop)->eo_u32[0] = bus_space_read_stream_4(		\
733 		    (_esbp)->esb_tag, (_esbp)->esb_handle,		\
734 		    (_offset));						\
735 		(_eop)->eo_u32[1] = bus_space_read_stream_4(		\
736 		    (_esbp)->esb_tag, (_esbp)->esb_handle,		\
737 		    (_offset) + 4);					\
738 		(_eop)->eo_u32[2] = bus_space_read_stream_4(		\
739 		    (_esbp)->esb_tag, (_esbp)->esb_handle,		\
740 		    (_offset) + 8);					\
741 		(_eop)->eo_u32[3] = bus_space_read_stream_4(		\
742 		    (_esbp)->esb_tag, (_esbp)->esb_handle,		\
743 		    (_offset) + 12);					\
744 									\
745 		EFSYS_PROBE5(bar_reado, unsigned int, (_offset),	\
746 		    uint32_t, (_eop)->eo_u32[3],			\
747 		    uint32_t, (_eop)->eo_u32[2],			\
748 		    uint32_t, (_eop)->eo_u32[1],			\
749 		    uint32_t, (_eop)->eo_u32[0]);			\
750 									\
751 		_NOTE(CONSTANTCONDITION)				\
752 		if (_lock)						\
753 			SFXGE_BAR_UNLOCK(_esbp);			\
754 	_NOTE(CONSTANTCONDITION)					\
755 	} while (B_FALSE)
756 #endif
757 
758 #define	EFSYS_BAR_WRITED(_esbp, _offset, _edp, _lock)			\
759 	do {								\
760 		_NOTE(CONSTANTCONDITION)				\
761 		KASSERT(IS_P2ALIGNED(_offset, sizeof (efx_dword_t)),	\
762 		    ("not power of 2 aligned"));			\
763 									\
764 		_NOTE(CONSTANTCONDITION)				\
765 		if (_lock)						\
766 			SFXGE_BAR_LOCK(_esbp);				\
767 									\
768 		EFSYS_PROBE2(bar_writed, unsigned int, (_offset),	\
769 		    uint32_t, (_edp)->ed_u32[0]);			\
770 									\
771 		/*							\
772 		 * Make sure that previous writes to the dword have	\
773 		 * been done. It should be cheaper than barrier just	\
774 		 * after the write below.				\
775 		 */							\
776 		bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
777 		    (_offset), sizeof (efx_dword_t),			\
778 		    BUS_SPACE_BARRIER_WRITE);				\
779 		bus_space_write_stream_4((_esbp)->esb_tag,		\
780 		    (_esbp)->esb_handle,				\
781 		    (_offset), (_edp)->ed_u32[0]);			\
782 									\
783 		_NOTE(CONSTANTCONDITION)				\
784 		if (_lock)						\
785 			SFXGE_BAR_UNLOCK(_esbp);			\
786 	_NOTE(CONSTANTCONDITION)					\
787 	} while (B_FALSE)
788 
789 #if defined(SFXGE_USE_BUS_SPACE_8)
790 #define	EFSYS_BAR_WRITEQ(_esbp, _offset, _eqp)				\
791 	do {								\
792 		_NOTE(CONSTANTCONDITION)				\
793 		KASSERT(IS_P2ALIGNED(_offset, sizeof (efx_qword_t)),	\
794 		    ("not power of 2 aligned"));			\
795 									\
796 		SFXGE_BAR_LOCK(_esbp);					\
797 									\
798 		EFSYS_PROBE3(bar_writeq, unsigned int, (_offset),	\
799 		    uint32_t, (_eqp)->eq_u32[1],			\
800 		    uint32_t, (_eqp)->eq_u32[0]);			\
801 									\
802 		/*							\
803 		 * Make sure that previous writes to the qword have	\
804 		 * been done. It should be cheaper than barrier just	\
805 		 * after the write below.				\
806 		 */							\
807 		bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
808 		    (_offset), sizeof (efx_qword_t),			\
809 		    BUS_SPACE_BARRIER_WRITE);				\
810 		bus_space_write_stream_8((_esbp)->esb_tag,		\
811 		    (_esbp)->esb_handle,				\
812 		    (_offset), (_eqp)->eq_u64[0]);			\
813 									\
814 		SFXGE_BAR_UNLOCK(_esbp);				\
815 	_NOTE(CONSTANTCONDITION)					\
816 	} while (B_FALSE)
817 #else
818 #define	EFSYS_BAR_WRITEQ(_esbp, _offset, _eqp)				\
819 	do {								\
820 		_NOTE(CONSTANTCONDITION)				\
821 		KASSERT(IS_P2ALIGNED(_offset, sizeof (efx_qword_t)),	\
822 		    ("not power of 2 aligned"));			\
823 									\
824 		SFXGE_BAR_LOCK(_esbp);					\
825 									\
826 		EFSYS_PROBE3(bar_writeq, unsigned int, (_offset),	\
827 		    uint32_t, (_eqp)->eq_u32[1],			\
828 		    uint32_t, (_eqp)->eq_u32[0]);			\
829 									\
830 		/*							\
831 		 * Make sure that previous writes to the qword have	\
832 		 * been done. It should be cheaper than barrier just	\
833 		 * after the last write below.				\
834 		 */							\
835 		bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
836 		    (_offset), sizeof (efx_qword_t),			\
837 		    BUS_SPACE_BARRIER_WRITE);				\
838 		bus_space_write_stream_4((_esbp)->esb_tag,		\
839 		    (_esbp)->esb_handle,				\
840 		    (_offset), (_eqp)->eq_u32[0]);			\
841 		/*							\
842 		 * It should be guaranteed that the last dword comes	\
843 		 * the last, so barrier entire qword to be sure that	\
844 		 * neither above nor below writes are reordered.	\
845 		 */							\
846 		bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
847 		    (_offset), sizeof (efx_qword_t),			\
848 		    BUS_SPACE_BARRIER_WRITE);				\
849 		bus_space_write_stream_4((_esbp)->esb_tag,		\
850 		    (_esbp)->esb_handle,				\
851 		    (_offset) + 4, (_eqp)->eq_u32[1]);			\
852 									\
853 		SFXGE_BAR_UNLOCK(_esbp);				\
854 	_NOTE(CONSTANTCONDITION)					\
855 	} while (B_FALSE)
856 #endif
857 
858 /*
859  * Guarantees 64bit aligned 64bit writes to write combined BAR mapping
860  * (required by PIO hardware)
861  */
862 #define	EFSYS_BAR_WC_WRITEQ(_esbp, _offset, _eqp)			\
863 	do {								\
864 		_NOTE(CONSTANTCONDITION)				\
865 		KASSERT(IS_P2ALIGNED(_offset, sizeof (efx_qword_t)),	\
866 		    ("not power of 2 aligned"));			\
867 									\
868 		(void) (_esbp);						\
869 									\
870 		/* FIXME: Perform a 64-bit write */			\
871 		KASSERT(0, ("not implemented"));			\
872 									\
873 	_NOTE(CONSTANTCONDITION)					\
874 	} while (B_FALSE)
875 
876 #if defined(SFXGE_USE_BUS_SPACE_8)
877 #define	EFSYS_BAR_WRITEO(_esbp, _offset, _eop, _lock)			\
878 	do {								\
879 		_NOTE(CONSTANTCONDITION)				\
880 		KASSERT(IS_P2ALIGNED(_offset, sizeof (efx_oword_t)),	\
881 		    ("not power of 2 aligned"));			\
882 									\
883 		_NOTE(CONSTANTCONDITION)				\
884 		if (_lock)						\
885 			SFXGE_BAR_LOCK(_esbp);				\
886 									\
887 		EFSYS_PROBE5(bar_writeo, unsigned int, (_offset),	\
888 		    uint32_t, (_eop)->eo_u32[3],			\
889 		    uint32_t, (_eop)->eo_u32[2],			\
890 		    uint32_t, (_eop)->eo_u32[1],			\
891 		    uint32_t, (_eop)->eo_u32[0]);			\
892 									\
893 		/*							\
894 		 * Make sure that previous writes to the oword have	\
895 		 * been done. It should be cheaper than barrier just	\
896 		 * after the last write below.				\
897 		 */							\
898 		bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
899 		    (_offset), sizeof (efx_oword_t),			\
900 		    BUS_SPACE_BARRIER_WRITE);				\
901 		bus_space_write_stream_8((_esbp)->esb_tag,		\
902 		    (_esbp)->esb_handle,				\
903 		    (_offset), (_eop)->eo_u64[0]);			\
904 		/*							\
905 		 * It should be guaranteed that the last qword comes	\
906 		 * the last, so barrier entire oword to be sure that	\
907 		 * neither above nor below writes are reordered.	\
908 		 */							\
909 		bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
910 		    (_offset), sizeof (efx_oword_t),			\
911 		    BUS_SPACE_BARRIER_WRITE);				\
912 		bus_space_write_stream_8((_esbp)->esb_tag,		\
913 		    (_esbp)->esb_handle,				\
914 		    (_offset) + 8, (_eop)->eo_u64[1]);			\
915 									\
916 		_NOTE(CONSTANTCONDITION)				\
917 		if (_lock)						\
918 			SFXGE_BAR_UNLOCK(_esbp);			\
919 	_NOTE(CONSTANTCONDITION)					\
920 	} while (B_FALSE)
921 
922 #else
923 #define	EFSYS_BAR_WRITEO(_esbp, _offset, _eop, _lock)			\
924 	do {								\
925 		_NOTE(CONSTANTCONDITION)				\
926 		KASSERT(IS_P2ALIGNED(_offset, sizeof (efx_oword_t)),	\
927 		    ("not power of 2 aligned"));			\
928 									\
929 		_NOTE(CONSTANTCONDITION)				\
930 		if (_lock)						\
931 			SFXGE_BAR_LOCK(_esbp);				\
932 									\
933 		EFSYS_PROBE5(bar_writeo, unsigned int, (_offset),	\
934 		    uint32_t, (_eop)->eo_u32[3],			\
935 		    uint32_t, (_eop)->eo_u32[2],			\
936 		    uint32_t, (_eop)->eo_u32[1],			\
937 		    uint32_t, (_eop)->eo_u32[0]);			\
938 									\
939 		/*							\
940 		 * Make sure that previous writes to the oword have	\
941 		 * been done. It should be cheaper than barrier just	\
942 		 * after the last write below.				\
943 		 */							\
944 		bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
945 		    (_offset), sizeof (efx_oword_t),			\
946 		    BUS_SPACE_BARRIER_WRITE);				\
947 		bus_space_write_stream_4((_esbp)->esb_tag,		\
948 		    (_esbp)->esb_handle,				\
949 		    (_offset), (_eop)->eo_u32[0]);			\
950 		bus_space_write_stream_4((_esbp)->esb_tag,		\
951 		    (_esbp)->esb_handle,				\
952 		    (_offset) + 4, (_eop)->eo_u32[1]);			\
953 		bus_space_write_stream_4((_esbp)->esb_tag,		\
954 		    (_esbp)->esb_handle,				\
955 		    (_offset) + 8, (_eop)->eo_u32[2]);			\
956 		/*							\
957 		 * It should be guaranteed that the last dword comes	\
958 		 * the last, so barrier entire oword to be sure that	\
959 		 * neither above nor below writes are reordered.	\
960 		 */							\
961 		bus_space_barrier((_esbp)->esb_tag, (_esbp)->esb_handle,\
962 		    (_offset), sizeof (efx_oword_t),			\
963 		    BUS_SPACE_BARRIER_WRITE);				\
964 		bus_space_write_stream_4((_esbp)->esb_tag,		\
965 		    (_esbp)->esb_handle,				\
966 		    (_offset) + 12, (_eop)->eo_u32[3]);			\
967 									\
968 		_NOTE(CONSTANTCONDITION)				\
969 		if (_lock)						\
970 			SFXGE_BAR_UNLOCK(_esbp);			\
971 	_NOTE(CONSTANTCONDITION)					\
972 	} while (B_FALSE)
973 #endif
974 
975 /* Use the standard octo-word write for doorbell writes */
976 #define	EFSYS_BAR_DOORBELL_WRITEO(_esbp, _offset, _eop)			\
977 	do {								\
978 		EFSYS_BAR_WRITEO((_esbp), (_offset), (_eop), B_FALSE);	\
979 	_NOTE(CONSTANTCONDITION)					\
980 	} while (B_FALSE)
981 
982 /* SPIN */
983 
984 #define	EFSYS_SPIN(_us)							\
985 	do {								\
986 		DELAY(_us);						\
987 	_NOTE(CONSTANTCONDITION)					\
988 	} while (B_FALSE)
989 
990 #define	EFSYS_SLEEP	EFSYS_SPIN
991 
992 /* BARRIERS */
993 
994 #define	EFSYS_MEM_READ_BARRIER()	rmb()
995 #define	EFSYS_PIO_WRITE_BARRIER()
996 
997 /* DMA SYNC */
998 #define	EFSYS_DMA_SYNC_FOR_KERNEL(_esmp, _offset, _size)		\
999 	do {								\
1000 		bus_dmamap_sync((_esmp)->esm_tag,			\
1001 		    (_esmp)->esm_map,					\
1002 		    BUS_DMASYNC_POSTREAD);				\
1003 	_NOTE(CONSTANTCONDITION)					\
1004 	} while (B_FALSE)
1005 
1006 #define	EFSYS_DMA_SYNC_FOR_DEVICE(_esmp, _offset, _size)		\
1007 	do {								\
1008 		bus_dmamap_sync((_esmp)->esm_tag,			\
1009 		    (_esmp)->esm_map,					\
1010 		    BUS_DMASYNC_PREWRITE);				\
1011 	_NOTE(CONSTANTCONDITION)					\
1012 	} while (B_FALSE)
1013 
1014 /* TIMESTAMP */
1015 
1016 typedef	clock_t	efsys_timestamp_t;
1017 
1018 #define	EFSYS_TIMESTAMP(_usp)						\
1019 	do {								\
1020 		clock_t now;						\
1021 									\
1022 		now = ticks;						\
1023 		*(_usp) = now * hz / 1000000;				\
1024 	_NOTE(CONSTANTCONDITION)					\
1025 	} while (B_FALSE)
1026 
1027 /* KMEM */
1028 
1029 #define	EFSYS_KMEM_ALLOC(_esip, _size, _p)				\
1030 	do {								\
1031 		(_esip) = (_esip);					\
1032 		/*							\
1033 		 * The macro is used in non-sleepable contexts, for	\
1034 		 * example, holding a mutex.				\
1035 		 */							\
1036 		(_p) = malloc((_size), M_SFXGE, M_NOWAIT|M_ZERO);	\
1037 	_NOTE(CONSTANTCONDITION)					\
1038 	} while (B_FALSE)
1039 
1040 #define	EFSYS_KMEM_FREE(_esip, _size, _p)				\
1041 	do {								\
1042 		(void) (_esip);						\
1043 		(void) (_size);						\
1044 		free((_p), M_SFXGE);					\
1045 	_NOTE(CONSTANTCONDITION)					\
1046 	} while (B_FALSE)
1047 
1048 /* LOCK */
1049 
1050 typedef struct efsys_lock_s {
1051 	struct mtx	lock;
1052 	char		lock_name[SFXGE_LOCK_NAME_MAX];
1053 } efsys_lock_t;
1054 
1055 #define	SFXGE_EFSYS_LOCK_INIT(_eslp, _ifname, _label)			\
1056 	do {								\
1057 		efsys_lock_t *__eslp = (_eslp);				\
1058 									\
1059 		snprintf((__eslp)->lock_name,				\
1060 			 sizeof((__eslp)->lock_name),			\
1061 			 "%s:%s", (_ifname), (_label));			\
1062 		mtx_init(&(__eslp)->lock, (__eslp)->lock_name,		\
1063 			 NULL, MTX_DEF);				\
1064 	} while (B_FALSE)
1065 #define	SFXGE_EFSYS_LOCK_DESTROY(_eslp)					\
1066 	mtx_destroy(&(_eslp)->lock)
1067 #define	SFXGE_EFSYS_LOCK(_eslp)						\
1068 	mtx_lock(&(_eslp)->lock)
1069 #define	SFXGE_EFSYS_UNLOCK(_eslp)					\
1070 	mtx_unlock(&(_eslp)->lock)
1071 #define	SFXGE_EFSYS_LOCK_ASSERT_OWNED(_eslp)				\
1072 	mtx_assert(&(_eslp)->lock, MA_OWNED)
1073 
1074 typedef int efsys_lock_state_t;
1075 
1076 #define	EFSYS_LOCK_MAGIC	0x000010c4
1077 
1078 #define	EFSYS_LOCK(_lockp, _state)					\
1079 	do {								\
1080 		SFXGE_EFSYS_LOCK(_lockp);				\
1081 		(_state) = EFSYS_LOCK_MAGIC;				\
1082 	_NOTE(CONSTANTCONDITION)					\
1083 	} while (B_FALSE)
1084 
1085 #define	EFSYS_UNLOCK(_lockp, _state)					\
1086 	do {								\
1087 		if ((_state) != EFSYS_LOCK_MAGIC)			\
1088 			KASSERT(B_FALSE, ("not locked"));		\
1089 		SFXGE_EFSYS_UNLOCK(_lockp);				\
1090 	_NOTE(CONSTANTCONDITION)					\
1091 	} while (B_FALSE)
1092 
1093 /* STAT */
1094 
1095 typedef uint64_t		efsys_stat_t;
1096 
1097 #define	EFSYS_STAT_INCR(_knp, _delta) 					\
1098 	do {								\
1099 		*(_knp) += (_delta);					\
1100 	_NOTE(CONSTANTCONDITION)					\
1101 	} while (B_FALSE)
1102 
1103 #define	EFSYS_STAT_DECR(_knp, _delta) 					\
1104 	do {								\
1105 		*(_knp) -= (_delta);					\
1106 	_NOTE(CONSTANTCONDITION)					\
1107 	} while (B_FALSE)
1108 
1109 #define	EFSYS_STAT_SET(_knp, _val)					\
1110 	do {								\
1111 		*(_knp) = (_val);					\
1112 	_NOTE(CONSTANTCONDITION)					\
1113 	} while (B_FALSE)
1114 
1115 #define	EFSYS_STAT_SET_QWORD(_knp, _valp)				\
1116 	do {								\
1117 		*(_knp) = le64toh((_valp)->eq_u64[0]);			\
1118 	_NOTE(CONSTANTCONDITION)					\
1119 	} while (B_FALSE)
1120 
1121 #define	EFSYS_STAT_SET_DWORD(_knp, _valp)				\
1122 	do {								\
1123 		*(_knp) = le32toh((_valp)->ed_u32[0]);			\
1124 	_NOTE(CONSTANTCONDITION)					\
1125 	} while (B_FALSE)
1126 
1127 #define	EFSYS_STAT_INCR_QWORD(_knp, _valp)				\
1128 	do {								\
1129 		*(_knp) += le64toh((_valp)->eq_u64[0]);			\
1130 	_NOTE(CONSTANTCONDITION)					\
1131 	} while (B_FALSE)
1132 
1133 #define	EFSYS_STAT_SUBR_QWORD(_knp, _valp)				\
1134 	do {								\
1135 		*(_knp) -= le64toh((_valp)->eq_u64[0]);			\
1136 	_NOTE(CONSTANTCONDITION)					\
1137 	} while (B_FALSE)
1138 
1139 /* ERR */
1140 
1141 extern void	sfxge_err(efsys_identifier_t *, unsigned int,
1142 		    uint32_t, uint32_t);
1143 
1144 #if EFSYS_OPT_DECODE_INTR_FATAL
1145 #define	EFSYS_ERR(_esip, _code, _dword0, _dword1)			\
1146 	do {								\
1147 		sfxge_err((_esip), (_code), (_dword0), (_dword1));	\
1148 	_NOTE(CONSTANTCONDITION)					\
1149 	} while (B_FALSE)
1150 #endif
1151 
1152 /* ASSERT */
1153 
1154 #define	EFSYS_ASSERT(_exp) do {						\
1155 	if (!(_exp))							\
1156 		panic("%s", #_exp);					\
1157 	} while (0)
1158 
1159 #define	EFSYS_ASSERT3(_x, _op, _y, _t) do {				\
1160 	const _t __x = (_t)(_x);					\
1161 	const _t __y = (_t)(_y);					\
1162 	if (!(__x _op __y))						\
1163 		panic("assertion failed at %s:%u", __FILE__, __LINE__);	\
1164 	} while(0)
1165 
1166 #define	EFSYS_ASSERT3U(_x, _op, _y)	EFSYS_ASSERT3(_x, _op, _y, uint64_t)
1167 #define	EFSYS_ASSERT3S(_x, _op, _y)	EFSYS_ASSERT3(_x, _op, _y, int64_t)
1168 #define	EFSYS_ASSERT3P(_x, _op, _y)	EFSYS_ASSERT3(_x, _op, _y, uintptr_t)
1169 
1170 /* ROTATE */
1171 
1172 #define	EFSYS_HAS_ROTL_DWORD 0
1173 
1174 #ifdef	__cplusplus
1175 }
1176 #endif
1177 
1178 #endif	/* _SYS_EFSYS_H */
1179