ef10_phy.c revision 294091
1/*-
2 * Copyright (c) 2012-2015 Solarflare Communications Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice,
9 *    this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 *    this list of conditions and the following disclaimer in the documentation
12 *    and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
16 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
24 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * The views and conclusions contained in the software and documentation are
27 * those of the authors and should not be interpreted as representing official
28 * policies, either expressed or implied, of the FreeBSD Project.
29 */
30
31#include <sys/cdefs.h>
32__FBSDID("$FreeBSD: head/sys/dev/sfxge/common/hunt_phy.c 294091 2016-01-15 15:12:30Z arybchik $");
33
34#include "efx.h"
35#include "efx_impl.h"
36
37#if EFSYS_OPT_HUNTINGTON
38
39static			void
40mcdi_phy_decode_cap(
41	__in		uint32_t mcdi_cap,
42	__out		uint32_t *maskp)
43{
44	uint32_t mask;
45
46	mask = 0;
47	if (mcdi_cap & (1 << MC_CMD_PHY_CAP_10HDX_LBN))
48		mask |= (1 << EFX_PHY_CAP_10HDX);
49	if (mcdi_cap & (1 << MC_CMD_PHY_CAP_10FDX_LBN))
50		mask |= (1 << EFX_PHY_CAP_10FDX);
51	if (mcdi_cap & (1 << MC_CMD_PHY_CAP_100HDX_LBN))
52		mask |= (1 << EFX_PHY_CAP_100HDX);
53	if (mcdi_cap & (1 << MC_CMD_PHY_CAP_100FDX_LBN))
54		mask |= (1 << EFX_PHY_CAP_100FDX);
55	if (mcdi_cap & (1 << MC_CMD_PHY_CAP_1000HDX_LBN))
56		mask |= (1 << EFX_PHY_CAP_1000HDX);
57	if (mcdi_cap & (1 << MC_CMD_PHY_CAP_1000FDX_LBN))
58		mask |= (1 << EFX_PHY_CAP_1000FDX);
59	if (mcdi_cap & (1 << MC_CMD_PHY_CAP_10000FDX_LBN))
60		mask |= (1 << EFX_PHY_CAP_10000FDX);
61	if (mcdi_cap & (1 << MC_CMD_PHY_CAP_40000FDX_LBN))
62		mask |= (1 << EFX_PHY_CAP_40000FDX);
63	if (mcdi_cap & (1 << MC_CMD_PHY_CAP_PAUSE_LBN))
64		mask |= (1 << EFX_PHY_CAP_PAUSE);
65	if (mcdi_cap & (1 << MC_CMD_PHY_CAP_ASYM_LBN))
66		mask |= (1 << EFX_PHY_CAP_ASYM);
67	if (mcdi_cap & (1 << MC_CMD_PHY_CAP_AN_LBN))
68		mask |= (1 << EFX_PHY_CAP_AN);
69
70	*maskp = mask;
71}
72
73static			void
74mcdi_phy_decode_link_mode(
75	__in		efx_nic_t *enp,
76	__in		uint32_t link_flags,
77	__in		unsigned int speed,
78	__in		unsigned int fcntl,
79	__out		efx_link_mode_t *link_modep,
80	__out		unsigned int *fcntlp)
81{
82	boolean_t fd = !!(link_flags &
83		    (1 << MC_CMD_GET_LINK_OUT_FULL_DUPLEX_LBN));
84	boolean_t up = !!(link_flags &
85		    (1 << MC_CMD_GET_LINK_OUT_LINK_UP_LBN));
86
87	_NOTE(ARGUNUSED(enp))
88
89	if (!up)
90		*link_modep = EFX_LINK_DOWN;
91	else if (speed == 40000 && fd)
92		*link_modep = EFX_LINK_40000FDX;
93	else if (speed == 10000 && fd)
94		*link_modep = EFX_LINK_10000FDX;
95	else if (speed == 1000)
96		*link_modep = fd ? EFX_LINK_1000FDX : EFX_LINK_1000HDX;
97	else if (speed == 100)
98		*link_modep = fd ? EFX_LINK_100FDX : EFX_LINK_100HDX;
99	else if (speed == 10)
100		*link_modep = fd ? EFX_LINK_10FDX : EFX_LINK_10HDX;
101	else
102		*link_modep = EFX_LINK_UNKNOWN;
103
104	if (fcntl == MC_CMD_FCNTL_OFF)
105		*fcntlp = 0;
106	else if (fcntl == MC_CMD_FCNTL_RESPOND)
107		*fcntlp = EFX_FCNTL_RESPOND;
108	else if (fcntl == MC_CMD_FCNTL_GENERATE)
109		*fcntlp = EFX_FCNTL_GENERATE;
110	else if (fcntl == MC_CMD_FCNTL_BIDIR)
111		*fcntlp = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
112	else {
113		EFSYS_PROBE1(mc_pcol_error, int, fcntl);
114		*fcntlp = 0;
115	}
116}
117
118
119			void
120ef10_phy_link_ev(
121	__in		efx_nic_t *enp,
122	__in		efx_qword_t *eqp,
123	__out		efx_link_mode_t *link_modep)
124{
125	efx_port_t *epp = &(enp->en_port);
126	unsigned int link_flags;
127	unsigned int speed;
128	unsigned int fcntl;
129	efx_link_mode_t link_mode;
130	uint32_t lp_cap_mask;
131
132	/*
133	 * Convert the LINKCHANGE speed enumeration into mbit/s, in the
134	 * same way as GET_LINK encodes the speed
135	 */
136	switch (MCDI_EV_FIELD(eqp, LINKCHANGE_SPEED)) {
137	case MCDI_EVENT_LINKCHANGE_SPEED_100M:
138		speed = 100;
139		break;
140	case MCDI_EVENT_LINKCHANGE_SPEED_1G:
141		speed = 1000;
142		break;
143	case MCDI_EVENT_LINKCHANGE_SPEED_10G:
144		speed = 10000;
145		break;
146	case MCDI_EVENT_LINKCHANGE_SPEED_40G:
147		speed = 40000;
148		break;
149	default:
150		speed = 0;
151		break;
152	}
153
154	link_flags = MCDI_EV_FIELD(eqp, LINKCHANGE_LINK_FLAGS);
155	mcdi_phy_decode_link_mode(enp, link_flags, speed,
156				    MCDI_EV_FIELD(eqp, LINKCHANGE_FCNTL),
157				    &link_mode, &fcntl);
158	mcdi_phy_decode_cap(MCDI_EV_FIELD(eqp, LINKCHANGE_LP_CAP),
159			    &lp_cap_mask);
160
161	/*
162	 * It's safe to update ep_lp_cap_mask without the driver's port lock
163	 * because presumably any concurrently running efx_port_poll() is
164	 * only going to arrive at the same value.
165	 *
166	 * ep_fcntl has two meanings. It's either the link common fcntl
167	 * (if the PHY supports AN), or it's the forced link state. If
168	 * the former, it's safe to update the value for the same reason as
169	 * for ep_lp_cap_mask. If the latter, then just ignore the value,
170	 * because we can race with efx_mac_fcntl_set().
171	 */
172	epp->ep_lp_cap_mask = lp_cap_mask;
173	epp->ep_fcntl = fcntl;
174
175	*link_modep = link_mode;
176}
177
178	__checkReturn	efx_rc_t
179ef10_phy_power(
180	__in		efx_nic_t *enp,
181	__in		boolean_t power)
182{
183	efx_rc_t rc;
184
185	if (!power)
186		return (0);
187
188	/* Check if the PHY is a zombie */
189	if ((rc = ef10_phy_verify(enp)) != 0)
190		goto fail1;
191
192	enp->en_reset_flags |= EFX_RESET_PHY;
193
194	return (0);
195
196fail1:
197	EFSYS_PROBE1(fail1, efx_rc_t, rc);
198
199	return (rc);
200}
201
202	__checkReturn	efx_rc_t
203ef10_phy_get_link(
204	__in		efx_nic_t *enp,
205	__out		ef10_link_state_t *elsp)
206{
207	efx_mcdi_req_t req;
208	uint8_t payload[MAX(MC_CMD_GET_LINK_IN_LEN,
209			    MC_CMD_GET_LINK_OUT_LEN)];
210	efx_rc_t rc;
211
212	(void) memset(payload, 0, sizeof (payload));
213	req.emr_cmd = MC_CMD_GET_LINK;
214	req.emr_in_buf = payload;
215	req.emr_in_length = MC_CMD_GET_LINK_IN_LEN;
216	req.emr_out_buf = payload;
217	req.emr_out_length = MC_CMD_GET_LINK_OUT_LEN;
218
219	efx_mcdi_execute(enp, &req);
220
221	if (req.emr_rc != 0) {
222		rc = req.emr_rc;
223		goto fail1;
224	}
225
226	if (req.emr_out_length_used < MC_CMD_GET_LINK_OUT_LEN) {
227		rc = EMSGSIZE;
228		goto fail2;
229	}
230
231	mcdi_phy_decode_cap(MCDI_OUT_DWORD(req, GET_LINK_OUT_CAP),
232			    &elsp->els_adv_cap_mask);
233	mcdi_phy_decode_cap(MCDI_OUT_DWORD(req, GET_LINK_OUT_LP_CAP),
234			    &elsp->els_lp_cap_mask);
235
236	mcdi_phy_decode_link_mode(enp, MCDI_OUT_DWORD(req, GET_LINK_OUT_FLAGS),
237			    MCDI_OUT_DWORD(req, GET_LINK_OUT_LINK_SPEED),
238			    MCDI_OUT_DWORD(req, GET_LINK_OUT_FCNTL),
239			    &elsp->els_link_mode, &elsp->els_fcntl);
240
241#if EFSYS_OPT_LOOPBACK
242	/* Assert the MC_CMD_LOOPBACK and EFX_LOOPBACK namespace agree */
243	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_NONE == EFX_LOOPBACK_OFF);
244	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_DATA == EFX_LOOPBACK_DATA);
245	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_GMAC == EFX_LOOPBACK_GMAC);
246	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XGMII == EFX_LOOPBACK_XGMII);
247	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XGXS == EFX_LOOPBACK_XGXS);
248	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XAUI == EFX_LOOPBACK_XAUI);
249	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_GMII == EFX_LOOPBACK_GMII);
250	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_SGMII == EFX_LOOPBACK_SGMII);
251	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XGBR == EFX_LOOPBACK_XGBR);
252	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XFI == EFX_LOOPBACK_XFI);
253	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XAUI_FAR == EFX_LOOPBACK_XAUI_FAR);
254	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_GMII_FAR == EFX_LOOPBACK_GMII_FAR);
255	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_SGMII_FAR == EFX_LOOPBACK_SGMII_FAR);
256	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_XFI_FAR == EFX_LOOPBACK_XFI_FAR);
257	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_GPHY == EFX_LOOPBACK_GPHY);
258	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_PHYXS == EFX_LOOPBACK_PHY_XS);
259	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_PCS == EFX_LOOPBACK_PCS);
260	EFX_STATIC_ASSERT(MC_CMD_LOOPBACK_PMAPMD == EFX_LOOPBACK_PMA_PMD);
261
262	elsp->els_loopback = MCDI_OUT_DWORD(req, GET_LINK_OUT_LOOPBACK_MODE);
263#endif	/* EFSYS_OPT_LOOPBACK */
264
265	elsp->els_mac_up = MCDI_OUT_DWORD(req, GET_LINK_OUT_MAC_FAULT) == 0;
266
267	return (0);
268
269fail2:
270	EFSYS_PROBE(fail2);
271fail1:
272	EFSYS_PROBE1(fail1, efx_rc_t, rc);
273
274	return (rc);
275}
276
277	__checkReturn	efx_rc_t
278ef10_phy_reconfigure(
279	__in		efx_nic_t *enp)
280{
281	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
282	efx_port_t *epp = &(enp->en_port);
283	efx_mcdi_req_t req;
284	uint8_t payload[MAX(MC_CMD_SET_LINK_IN_LEN,
285			    MC_CMD_SET_LINK_OUT_LEN)];
286	uint32_t cap_mask;
287	unsigned int led_mode;
288	unsigned int speed;
289	efx_rc_t rc;
290
291	if (~encp->enc_func_flags & EFX_NIC_FUNC_LINKCTRL)
292		goto out;
293
294	(void) memset(payload, 0, sizeof (payload));
295	req.emr_cmd = MC_CMD_SET_LINK;
296	req.emr_in_buf = payload;
297	req.emr_in_length = MC_CMD_SET_LINK_IN_LEN;
298	req.emr_out_buf = payload;
299	req.emr_out_length = MC_CMD_SET_LINK_OUT_LEN;
300
301	cap_mask = epp->ep_adv_cap_mask;
302	MCDI_IN_POPULATE_DWORD_10(req, SET_LINK_IN_CAP,
303		PHY_CAP_10HDX, (cap_mask >> EFX_PHY_CAP_10HDX) & 0x1,
304		PHY_CAP_10FDX, (cap_mask >> EFX_PHY_CAP_10FDX) & 0x1,
305		PHY_CAP_100HDX, (cap_mask >> EFX_PHY_CAP_100HDX) & 0x1,
306		PHY_CAP_100FDX, (cap_mask >> EFX_PHY_CAP_100FDX) & 0x1,
307		PHY_CAP_1000HDX, (cap_mask >> EFX_PHY_CAP_1000HDX) & 0x1,
308		PHY_CAP_1000FDX, (cap_mask >> EFX_PHY_CAP_1000FDX) & 0x1,
309		PHY_CAP_10000FDX, (cap_mask >> EFX_PHY_CAP_10000FDX) & 0x1,
310		PHY_CAP_PAUSE, (cap_mask >> EFX_PHY_CAP_PAUSE) & 0x1,
311		PHY_CAP_ASYM, (cap_mask >> EFX_PHY_CAP_ASYM) & 0x1,
312		PHY_CAP_AN, (cap_mask >> EFX_PHY_CAP_AN) & 0x1);
313	/* Too many fields for for POPULATE macros, so insert this afterwards */
314	MCDI_IN_SET_DWORD_FIELD(req, SET_LINK_IN_CAP,
315	    PHY_CAP_40000FDX, (cap_mask >> EFX_PHY_CAP_40000FDX) & 0x1);
316
317#if EFSYS_OPT_LOOPBACK
318	MCDI_IN_SET_DWORD(req, SET_LINK_IN_LOOPBACK_MODE,
319		    epp->ep_loopback_type);
320	switch (epp->ep_loopback_link_mode) {
321	case EFX_LINK_100FDX:
322		speed = 100;
323		break;
324	case EFX_LINK_1000FDX:
325		speed = 1000;
326		break;
327	case EFX_LINK_10000FDX:
328		speed = 10000;
329		break;
330	case EFX_LINK_40000FDX:
331		speed = 40000;
332		break;
333	default:
334		speed = 0;
335	}
336#else
337	MCDI_IN_SET_DWORD(req, SET_LINK_IN_LOOPBACK_MODE, MC_CMD_LOOPBACK_NONE);
338	speed = 0;
339#endif	/* EFSYS_OPT_LOOPBACK */
340	MCDI_IN_SET_DWORD(req, SET_LINK_IN_LOOPBACK_SPEED, speed);
341
342#if EFSYS_OPT_PHY_FLAGS
343	MCDI_IN_SET_DWORD(req, SET_LINK_IN_FLAGS, epp->ep_phy_flags);
344#else
345	MCDI_IN_SET_DWORD(req, SET_LINK_IN_FLAGS, 0);
346#endif	/* EFSYS_OPT_PHY_FLAGS */
347
348	efx_mcdi_execute(enp, &req);
349
350	if (req.emr_rc != 0) {
351		rc = req.emr_rc;
352		goto fail1;
353	}
354
355	/* And set the blink mode */
356	(void) memset(payload, 0, sizeof (payload));
357	req.emr_cmd = MC_CMD_SET_ID_LED;
358	req.emr_in_buf = payload;
359	req.emr_in_length = MC_CMD_SET_ID_LED_IN_LEN;
360	req.emr_out_buf = payload;
361	req.emr_out_length = MC_CMD_SET_ID_LED_OUT_LEN;
362
363#if EFSYS_OPT_PHY_LED_CONTROL
364	switch (epp->ep_phy_led_mode) {
365	case EFX_PHY_LED_DEFAULT:
366		led_mode = MC_CMD_LED_DEFAULT;
367		break;
368	case EFX_PHY_LED_OFF:
369		led_mode = MC_CMD_LED_OFF;
370		break;
371	case EFX_PHY_LED_ON:
372		led_mode = MC_CMD_LED_ON;
373		break;
374	default:
375		EFSYS_ASSERT(0);
376		led_mode = MC_CMD_LED_DEFAULT;
377	}
378
379	MCDI_IN_SET_DWORD(req, SET_ID_LED_IN_STATE, led_mode);
380#else
381	MCDI_IN_SET_DWORD(req, SET_ID_LED_IN_STATE, MC_CMD_LED_DEFAULT);
382#endif	/* EFSYS_OPT_PHY_LED_CONTROL */
383
384	efx_mcdi_execute(enp, &req);
385
386	if (req.emr_rc != 0) {
387		rc = req.emr_rc;
388		goto fail2;
389	}
390out:
391	return (0);
392
393fail2:
394	EFSYS_PROBE(fail2);
395fail1:
396	EFSYS_PROBE1(fail1, efx_rc_t, rc);
397
398	return (rc);
399}
400
401	__checkReturn	efx_rc_t
402ef10_phy_verify(
403	__in		efx_nic_t *enp)
404{
405	efx_mcdi_req_t req;
406	uint8_t payload[MAX(MC_CMD_GET_PHY_STATE_IN_LEN,
407			    MC_CMD_GET_PHY_STATE_OUT_LEN)];
408	uint32_t state;
409	efx_rc_t rc;
410
411	(void) memset(payload, 0, sizeof (payload));
412	req.emr_cmd = MC_CMD_GET_PHY_STATE;
413	req.emr_in_buf = payload;
414	req.emr_in_length = MC_CMD_GET_PHY_STATE_IN_LEN;
415	req.emr_out_buf = payload;
416	req.emr_out_length = MC_CMD_GET_PHY_STATE_OUT_LEN;
417
418	efx_mcdi_execute(enp, &req);
419
420	if (req.emr_rc != 0) {
421		rc = req.emr_rc;
422		goto fail1;
423	}
424
425	if (req.emr_out_length_used < MC_CMD_GET_PHY_STATE_OUT_LEN) {
426		rc = EMSGSIZE;
427		goto fail2;
428	}
429
430	state = MCDI_OUT_DWORD(req, GET_PHY_STATE_OUT_STATE);
431	if (state != MC_CMD_PHY_STATE_OK) {
432		if (state != MC_CMD_PHY_STATE_ZOMBIE)
433			EFSYS_PROBE1(mc_pcol_error, int, state);
434		rc = ENOTACTIVE;
435		goto fail3;
436	}
437
438	return (0);
439
440fail3:
441	EFSYS_PROBE(fail3);
442fail2:
443	EFSYS_PROBE(fail2);
444fail1:
445	EFSYS_PROBE1(fail1, efx_rc_t, rc);
446
447	return (rc);
448}
449
450	__checkReturn	efx_rc_t
451ef10_phy_oui_get(
452	__in		efx_nic_t *enp,
453	__out		uint32_t *ouip)
454{
455	_NOTE(ARGUNUSED(enp, ouip))
456
457	return (ENOTSUP);
458}
459
460#if EFSYS_OPT_PHY_STATS
461
462	__checkReturn				efx_rc_t
463ef10_phy_stats_update(
464	__in					efx_nic_t *enp,
465	__in					efsys_mem_t *esmp,
466	__inout_ecount(EFX_PHY_NSTATS)		uint32_t *stat)
467{
468	/* TBD: no stats support in firmware yet */
469	_NOTE(ARGUNUSED(enp, esmp))
470	memset(stat, 0, EFX_PHY_NSTATS * sizeof (*stat));
471
472	return (0);
473}
474
475#endif	/* EFSYS_OPT_PHY_STATS */
476
477#if EFSYS_OPT_PHY_PROPS
478
479#if EFSYS_OPT_NAMES
480
481		const char *
482ef10_phy_prop_name(
483	__in	efx_nic_t *enp,
484	__in	unsigned int id)
485{
486	_NOTE(ARGUNUSED(enp, id))
487
488	return (NULL);
489}
490
491#endif	/* EFSYS_OPT_NAMES */
492
493	__checkReturn	efx_rc_t
494ef10_phy_prop_get(
495	__in		efx_nic_t *enp,
496	__in		unsigned int id,
497	__in		uint32_t flags,
498	__out		uint32_t *valp)
499{
500	_NOTE(ARGUNUSED(enp, id, flags, valp))
501
502	return (ENOTSUP);
503}
504
505	__checkReturn	efx_rc_t
506ef10_phy_prop_set(
507	__in		efx_nic_t *enp,
508	__in		unsigned int id,
509	__in		uint32_t val)
510{
511	_NOTE(ARGUNUSED(enp, id, val))
512
513	return (ENOTSUP);
514}
515
516#endif	/* EFSYS_OPT_PHY_PROPS */
517
518#if EFSYS_OPT_BIST
519
520	__checkReturn		efx_rc_t
521hunt_bist_enable_offline(
522	__in			efx_nic_t *enp)
523{
524	efx_rc_t rc;
525
526	if ((rc = efx_mcdi_bist_enable_offline(enp)) != 0)
527		goto fail1;
528
529	return (0);
530
531fail1:
532	EFSYS_PROBE1(fail1, efx_rc_t, rc);
533
534	return (rc);
535}
536
537	__checkReturn		efx_rc_t
538hunt_bist_start(
539	__in			efx_nic_t *enp,
540	__in			efx_bist_type_t type)
541{
542	efx_rc_t rc;
543
544	if ((rc = efx_mcdi_bist_start(enp, type)) != 0)
545		goto fail1;
546
547	return (0);
548
549fail1:
550	EFSYS_PROBE1(fail1, efx_rc_t, rc);
551
552	return (rc);
553}
554
555	__checkReturn		efx_rc_t
556hunt_bist_poll(
557	__in			efx_nic_t *enp,
558	__in			efx_bist_type_t type,
559	__out			efx_bist_result_t *resultp,
560	__out_opt __drv_when(count > 0, __notnull)
561	uint32_t *value_maskp,
562	__out_ecount_opt(count)	__drv_when(count > 0, __notnull)
563	unsigned long *valuesp,
564	__in			size_t count)
565{
566	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
567	efx_mcdi_req_t req;
568	uint8_t payload[MAX(MC_CMD_POLL_BIST_IN_LEN,
569			    MCDI_CTL_SDU_LEN_MAX)];
570	uint32_t value_mask = 0;
571	uint32_t result;
572	efx_rc_t rc;
573
574	(void) memset(payload, 0, sizeof (payload));
575	req.emr_cmd = MC_CMD_POLL_BIST;
576	req.emr_in_buf = payload;
577	req.emr_in_length = MC_CMD_POLL_BIST_IN_LEN;
578	req.emr_out_buf = payload;
579	req.emr_out_length = MCDI_CTL_SDU_LEN_MAX;
580
581	efx_mcdi_execute(enp, &req);
582
583	if (req.emr_rc != 0) {
584		rc = req.emr_rc;
585		goto fail1;
586	}
587
588	if (req.emr_out_length_used < MC_CMD_POLL_BIST_OUT_RESULT_OFST + 4) {
589		rc = EMSGSIZE;
590		goto fail2;
591	}
592
593	if (count > 0)
594		(void) memset(valuesp, '\0', count * sizeof (unsigned long));
595
596	result = MCDI_OUT_DWORD(req, POLL_BIST_OUT_RESULT);
597
598	if (result == MC_CMD_POLL_BIST_FAILED &&
599	    req.emr_out_length >= MC_CMD_POLL_BIST_OUT_MEM_LEN &&
600	    count > EFX_BIST_MEM_ECC_FATAL) {
601		if (valuesp != NULL) {
602			valuesp[EFX_BIST_MEM_TEST] =
603			    MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_TEST);
604			valuesp[EFX_BIST_MEM_ADDR] =
605			    MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_ADDR);
606			valuesp[EFX_BIST_MEM_BUS] =
607			    MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_BUS);
608			valuesp[EFX_BIST_MEM_EXPECT] =
609			    MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_EXPECT);
610			valuesp[EFX_BIST_MEM_ACTUAL] =
611			    MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_ACTUAL);
612			valuesp[EFX_BIST_MEM_ECC] =
613			    MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_ECC);
614			valuesp[EFX_BIST_MEM_ECC_PARITY] =
615			    MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_ECC_PARITY);
616			valuesp[EFX_BIST_MEM_ECC_FATAL] =
617			    MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_ECC_FATAL);
618		}
619		value_mask |= (1 << EFX_BIST_MEM_TEST) |
620		    (1 << EFX_BIST_MEM_ADDR) |
621		    (1 << EFX_BIST_MEM_BUS) |
622		    (1 << EFX_BIST_MEM_EXPECT) |
623		    (1 << EFX_BIST_MEM_ACTUAL) |
624		    (1 << EFX_BIST_MEM_ECC) |
625		    (1 << EFX_BIST_MEM_ECC_PARITY) |
626		    (1 << EFX_BIST_MEM_ECC_FATAL);
627	} else if (result == MC_CMD_POLL_BIST_FAILED &&
628	    encp->enc_phy_type == EFX_PHY_XFI_FARMI &&
629	    req.emr_out_length >= MC_CMD_POLL_BIST_OUT_MRSFP_LEN &&
630	    count > EFX_BIST_FAULT_CODE) {
631		if (valuesp != NULL)
632			valuesp[EFX_BIST_FAULT_CODE] =
633			    MCDI_OUT_DWORD(req, POLL_BIST_OUT_MRSFP_TEST);
634		value_mask |= 1 << EFX_BIST_FAULT_CODE;
635	}
636
637	if (value_maskp != NULL)
638		*value_maskp = value_mask;
639
640	EFSYS_ASSERT(resultp != NULL);
641	if (result == MC_CMD_POLL_BIST_RUNNING)
642		*resultp = EFX_BIST_RESULT_RUNNING;
643	else if (result == MC_CMD_POLL_BIST_PASSED)
644		*resultp = EFX_BIST_RESULT_PASSED;
645	else
646		*resultp = EFX_BIST_RESULT_FAILED;
647
648	return (0);
649
650fail2:
651	EFSYS_PROBE(fail2);
652fail1:
653	EFSYS_PROBE1(fail1, efx_rc_t, rc);
654
655	return (rc);
656}
657
658			void
659hunt_bist_stop(
660	__in		efx_nic_t *enp,
661	__in		efx_bist_type_t type)
662{
663	/* There is no way to stop BIST on Huntinton. */
664	_NOTE(ARGUNUSED(enp, type))
665}
666
667#endif	/* EFSYS_OPT_BIST */
668
669#endif	/* EFSYS_OPT_HUNTINGTON */
670