2 * Copyright (c) 2008-2016 Solarflare Communications Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
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.
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
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31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
40 * There are three versions of the MCDI interface:
41 * - MCDIv0: Siena BootROM. Transport uses MCDIv1 headers.
42 * - MCDIv1: Siena firmware and Huntington BootROM.
43 * - MCDIv2: EF10 firmware (Huntington/Medford) and Medford BootROM.
44 * Transport uses MCDIv2 headers.
46 * MCDIv2 Header NOT_EPOCH flag
47 * ----------------------------
48 * A new epoch begins at initial startup or after an MC reboot, and defines when
49 * the MC should reject stale MCDI requests.
51 * The first MCDI request sent by the host should contain NOT_EPOCH=0, and all
52 * subsequent requests (until the next MC reboot) should contain NOT_EPOCH=1.
54 * After rebooting the MC will fail all requests with NOT_EPOCH=1 by writing a
55 * response with ERROR=1 and DATALEN=0 until a request is seen with NOT_EPOCH=0.
62 static const efx_mcdi_ops_t __efx_mcdi_siena_ops = {
63 siena_mcdi_init, /* emco_init */
64 siena_mcdi_send_request, /* emco_send_request */
65 siena_mcdi_poll_reboot, /* emco_poll_reboot */
66 siena_mcdi_poll_response, /* emco_poll_response */
67 siena_mcdi_read_response, /* emco_read_response */
68 siena_mcdi_fini, /* emco_fini */
69 siena_mcdi_feature_supported, /* emco_feature_supported */
72 #endif /* EFSYS_OPT_SIENA */
74 #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
76 static const efx_mcdi_ops_t __efx_mcdi_ef10_ops = {
77 ef10_mcdi_init, /* emco_init */
78 ef10_mcdi_send_request, /* emco_send_request */
79 ef10_mcdi_poll_reboot, /* emco_poll_reboot */
80 ef10_mcdi_poll_response, /* emco_poll_response */
81 ef10_mcdi_read_response, /* emco_read_response */
82 ef10_mcdi_fini, /* emco_fini */
83 ef10_mcdi_feature_supported, /* emco_feature_supported */
86 #endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */
90 __checkReturn efx_rc_t
93 __in const efx_mcdi_transport_t *emtp)
95 const efx_mcdi_ops_t *emcop;
98 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
99 EFSYS_ASSERT3U(enp->en_mod_flags, ==, 0);
101 switch (enp->en_family) {
103 case EFX_FAMILY_SIENA:
104 emcop = &__efx_mcdi_siena_ops;
106 #endif /* EFSYS_OPT_SIENA */
108 #if EFSYS_OPT_HUNTINGTON
109 case EFX_FAMILY_HUNTINGTON:
110 emcop = &__efx_mcdi_ef10_ops;
112 #endif /* EFSYS_OPT_HUNTINGTON */
114 #if EFSYS_OPT_MEDFORD
115 case EFX_FAMILY_MEDFORD:
116 emcop = &__efx_mcdi_ef10_ops;
118 #endif /* EFSYS_OPT_MEDFORD */
126 if (enp->en_features & EFX_FEATURE_MCDI_DMA) {
127 /* MCDI requires a DMA buffer in host memory */
128 if ((emtp == NULL) || (emtp->emt_dma_mem) == NULL) {
133 enp->en_mcdi.em_emtp = emtp;
135 if (emcop != NULL && emcop->emco_init != NULL) {
136 if ((rc = emcop->emco_init(enp, emtp)) != 0)
140 enp->en_mcdi.em_emcop = emcop;
141 enp->en_mod_flags |= EFX_MOD_MCDI;
150 EFSYS_PROBE1(fail1, efx_rc_t, rc);
152 enp->en_mcdi.em_emcop = NULL;
153 enp->en_mcdi.em_emtp = NULL;
154 enp->en_mod_flags &= ~EFX_MOD_MCDI;
163 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
164 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
166 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
167 EFSYS_ASSERT3U(enp->en_mod_flags, ==, EFX_MOD_MCDI);
169 if (emcop != NULL && emcop->emco_fini != NULL)
170 emcop->emco_fini(enp);
173 emip->emi_aborted = 0;
175 enp->en_mcdi.em_emcop = NULL;
176 enp->en_mod_flags &= ~EFX_MOD_MCDI;
183 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
186 /* Start a new epoch (allow fresh MCDI requests to succeed) */
187 EFSYS_LOCK(enp->en_eslp, state);
188 emip->emi_new_epoch = B_TRUE;
189 EFSYS_UNLOCK(enp->en_eslp, state);
193 efx_mcdi_send_request(
200 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
202 emcop->emco_send_request(enp, hdrp, hdr_len, sdup, sdu_len);
206 efx_mcdi_poll_reboot(
209 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
212 rc = emcop->emco_poll_reboot(enp);
217 efx_mcdi_poll_response(
220 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
223 available = emcop->emco_poll_response(enp);
228 efx_mcdi_read_response(
234 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
236 emcop->emco_read_response(enp, bufferp, offset, length);
240 efx_mcdi_request_start(
242 __in efx_mcdi_req_t *emrp,
243 __in boolean_t ev_cpl)
245 #if EFSYS_OPT_MCDI_LOGGING
246 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
248 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
251 unsigned int max_version;
257 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
258 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
259 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
262 * efx_mcdi_request_start() is naturally serialised against both
263 * efx_mcdi_request_poll() and efx_mcdi_ev_cpl()/efx_mcdi_ev_death(),
264 * by virtue of there only being one outstanding MCDI request.
265 * Unfortunately, upper layers may also call efx_mcdi_request_abort()
266 * at any time, to timeout a pending mcdi request, That request may
267 * then subsequently complete, meaning efx_mcdi_ev_cpl() or
268 * efx_mcdi_ev_death() may end up running in parallel with
269 * efx_mcdi_request_start(). This race is handled by ensuring that
270 * %emi_pending_req, %emi_ev_cpl and %emi_seq are protected by the
273 EFSYS_LOCK(enp->en_eslp, state);
274 EFSYS_ASSERT(emip->emi_pending_req == NULL);
275 emip->emi_pending_req = emrp;
276 emip->emi_ev_cpl = ev_cpl;
277 emip->emi_poll_cnt = 0;
278 seq = emip->emi_seq++ & EFX_MASK32(MCDI_HEADER_SEQ);
279 new_epoch = emip->emi_new_epoch;
280 max_version = emip->emi_max_version;
281 EFSYS_UNLOCK(enp->en_eslp, state);
285 xflags |= MCDI_HEADER_XFLAGS_EVREQ;
288 * Huntington firmware supports MCDIv2, but the Huntington BootROM only
289 * supports MCDIv1. Use MCDIv1 headers for MCDIv1 commands where
290 * possible to support this.
292 if ((max_version >= 2) &&
293 ((emrp->emr_cmd > MC_CMD_CMD_SPACE_ESCAPE_7) ||
294 (emrp->emr_in_length > MCDI_CTL_SDU_LEN_MAX_V1))) {
295 /* Construct MCDI v2 header */
296 hdr_len = sizeof (hdr);
297 EFX_POPULATE_DWORD_8(hdr[0],
298 MCDI_HEADER_CODE, MC_CMD_V2_EXTN,
299 MCDI_HEADER_RESYNC, 1,
300 MCDI_HEADER_DATALEN, 0,
301 MCDI_HEADER_SEQ, seq,
302 MCDI_HEADER_NOT_EPOCH, new_epoch ? 0 : 1,
303 MCDI_HEADER_ERROR, 0,
304 MCDI_HEADER_RESPONSE, 0,
305 MCDI_HEADER_XFLAGS, xflags);
307 EFX_POPULATE_DWORD_2(hdr[1],
308 MC_CMD_V2_EXTN_IN_EXTENDED_CMD, emrp->emr_cmd,
309 MC_CMD_V2_EXTN_IN_ACTUAL_LEN, emrp->emr_in_length);
311 /* Construct MCDI v1 header */
312 hdr_len = sizeof (hdr[0]);
313 EFX_POPULATE_DWORD_8(hdr[0],
314 MCDI_HEADER_CODE, emrp->emr_cmd,
315 MCDI_HEADER_RESYNC, 1,
316 MCDI_HEADER_DATALEN, emrp->emr_in_length,
317 MCDI_HEADER_SEQ, seq,
318 MCDI_HEADER_NOT_EPOCH, new_epoch ? 0 : 1,
319 MCDI_HEADER_ERROR, 0,
320 MCDI_HEADER_RESPONSE, 0,
321 MCDI_HEADER_XFLAGS, xflags);
324 #if EFSYS_OPT_MCDI_LOGGING
325 if (emtp->emt_logger != NULL) {
326 emtp->emt_logger(emtp->emt_context, EFX_LOG_MCDI_REQUEST,
328 emrp->emr_in_buf, emrp->emr_in_length);
330 #endif /* EFSYS_OPT_MCDI_LOGGING */
332 efx_mcdi_send_request(enp, &hdr[0], hdr_len,
333 emrp->emr_in_buf, emrp->emr_in_length);
338 efx_mcdi_read_response_header(
340 __inout efx_mcdi_req_t *emrp)
342 #if EFSYS_OPT_MCDI_LOGGING
343 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
344 #endif /* EFSYS_OPT_MCDI_LOGGING */
345 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
347 unsigned int hdr_len;
348 unsigned int data_len;
354 EFSYS_ASSERT(emrp != NULL);
356 efx_mcdi_read_response(enp, &hdr[0], 0, sizeof (hdr[0]));
357 hdr_len = sizeof (hdr[0]);
359 cmd = EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_CODE);
360 seq = EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_SEQ);
361 error = EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_ERROR);
363 if (cmd != MC_CMD_V2_EXTN) {
364 data_len = EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_DATALEN);
366 efx_mcdi_read_response(enp, &hdr[1], hdr_len, sizeof (hdr[1]));
367 hdr_len += sizeof (hdr[1]);
369 cmd = EFX_DWORD_FIELD(hdr[1], MC_CMD_V2_EXTN_IN_EXTENDED_CMD);
371 EFX_DWORD_FIELD(hdr[1], MC_CMD_V2_EXTN_IN_ACTUAL_LEN);
374 if (error && (data_len == 0)) {
375 /* The MC has rebooted since the request was sent. */
376 EFSYS_SPIN(EFX_MCDI_STATUS_SLEEP_US);
377 efx_mcdi_poll_reboot(enp);
381 if ((cmd != emrp->emr_cmd) ||
382 (seq != ((emip->emi_seq - 1) & EFX_MASK32(MCDI_HEADER_SEQ)))) {
383 /* Response is for a different request */
389 unsigned int err_len = MIN(data_len, sizeof (err));
390 int err_code = MC_CMD_ERR_EPROTO;
393 /* Read error code (and arg num for MCDI v2 commands) */
394 efx_mcdi_read_response(enp, &err, hdr_len, err_len);
396 if (err_len >= (MC_CMD_ERR_CODE_OFST + sizeof (efx_dword_t)))
397 err_code = EFX_DWORD_FIELD(err[0], EFX_DWORD_0);
399 if (err_len >= (MC_CMD_ERR_ARG_OFST + sizeof (efx_dword_t)))
400 err_arg = EFX_DWORD_FIELD(err[1], EFX_DWORD_0);
402 emrp->emr_err_code = err_code;
403 emrp->emr_err_arg = err_arg;
405 #if EFSYS_OPT_MCDI_PROXY_AUTH
406 if ((err_code == MC_CMD_ERR_PROXY_PENDING) &&
407 (err_len == sizeof (err))) {
409 * The MCDI request would normally fail with EPERM, but
410 * firmware has forwarded it to an authorization agent
411 * attached to a privileged PF.
413 * Save the authorization request handle. The client
414 * must wait for a PROXY_RESPONSE event, or timeout.
416 emrp->emr_proxy_handle = err_arg;
418 #endif /* EFSYS_OPT_MCDI_PROXY_AUTH */
420 #if EFSYS_OPT_MCDI_LOGGING
421 if (emtp->emt_logger != NULL) {
422 emtp->emt_logger(emtp->emt_context,
423 EFX_LOG_MCDI_RESPONSE,
427 #endif /* EFSYS_OPT_MCDI_LOGGING */
429 if (!emrp->emr_quiet) {
430 EFSYS_PROBE3(mcdi_err_arg, int, emrp->emr_cmd,
431 int, err_code, int, err_arg);
434 rc = efx_mcdi_request_errcode(err_code);
439 emrp->emr_out_length_used = data_len;
440 #if EFSYS_OPT_MCDI_PROXY_AUTH
441 emrp->emr_proxy_handle = 0;
442 #endif /* EFSYS_OPT_MCDI_PROXY_AUTH */
449 emrp->emr_out_length_used = 0;
453 efx_mcdi_finish_response(
455 __in efx_mcdi_req_t *emrp)
457 #if EFSYS_OPT_MCDI_LOGGING
458 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
459 #endif /* EFSYS_OPT_MCDI_LOGGING */
461 unsigned int hdr_len;
464 if (emrp->emr_out_buf == NULL)
467 /* Read the command header to detect MCDI response format */
468 hdr_len = sizeof (hdr[0]);
469 efx_mcdi_read_response(enp, &hdr[0], 0, hdr_len);
470 if (EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_CODE) == MC_CMD_V2_EXTN) {
472 * Read the actual payload length. The length given in the event
473 * is only correct for responses with the V1 format.
475 efx_mcdi_read_response(enp, &hdr[1], hdr_len, sizeof (hdr[1]));
476 hdr_len += sizeof (hdr[1]);
478 emrp->emr_out_length_used = EFX_DWORD_FIELD(hdr[1],
479 MC_CMD_V2_EXTN_IN_ACTUAL_LEN);
482 /* Copy payload out into caller supplied buffer */
483 bytes = MIN(emrp->emr_out_length_used, emrp->emr_out_length);
484 efx_mcdi_read_response(enp, emrp->emr_out_buf, hdr_len, bytes);
486 #if EFSYS_OPT_MCDI_LOGGING
487 if (emtp->emt_logger != NULL) {
488 emtp->emt_logger(emtp->emt_context,
489 EFX_LOG_MCDI_RESPONSE,
491 emrp->emr_out_buf, bytes);
493 #endif /* EFSYS_OPT_MCDI_LOGGING */
497 __checkReturn boolean_t
498 efx_mcdi_request_poll(
501 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
502 efx_mcdi_req_t *emrp;
506 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
507 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
508 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
510 /* Serialise against post-watchdog efx_mcdi_ev* */
511 EFSYS_LOCK(enp->en_eslp, state);
513 EFSYS_ASSERT(emip->emi_pending_req != NULL);
514 EFSYS_ASSERT(!emip->emi_ev_cpl);
515 emrp = emip->emi_pending_req;
517 /* Check for reboot atomically w.r.t efx_mcdi_request_start */
518 if (emip->emi_poll_cnt++ == 0) {
519 if ((rc = efx_mcdi_poll_reboot(enp)) != 0) {
520 emip->emi_pending_req = NULL;
521 EFSYS_UNLOCK(enp->en_eslp, state);
523 /* Reboot/Assertion */
524 if (rc == EIO || rc == EINTR)
525 efx_mcdi_raise_exception(enp, emrp, rc);
531 /* Check if a response is available */
532 if (efx_mcdi_poll_response(enp) == B_FALSE) {
533 EFSYS_UNLOCK(enp->en_eslp, state);
537 /* Read the response header */
538 efx_mcdi_read_response_header(enp, emrp);
540 /* Request complete */
541 emip->emi_pending_req = NULL;
543 /* Ensure stale MCDI requests fail after an MC reboot. */
544 emip->emi_new_epoch = B_FALSE;
546 EFSYS_UNLOCK(enp->en_eslp, state);
548 if ((rc = emrp->emr_rc) != 0)
551 efx_mcdi_finish_response(enp, emrp);
555 if (!emrp->emr_quiet)
558 if (!emrp->emr_quiet)
559 EFSYS_PROBE1(fail1, efx_rc_t, rc);
564 __checkReturn boolean_t
565 efx_mcdi_request_abort(
568 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
569 efx_mcdi_req_t *emrp;
573 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
574 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
575 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
578 * efx_mcdi_ev_* may have already completed this event, and be
579 * spinning/blocked on the upper layer lock. So it *is* legitimate
580 * to for emi_pending_req to be NULL. If there is a pending event
581 * completed request, then provide a "credit" to allow
582 * efx_mcdi_ev_cpl() to accept a single spurious completion.
584 EFSYS_LOCK(enp->en_eslp, state);
585 emrp = emip->emi_pending_req;
586 aborted = (emrp != NULL);
588 emip->emi_pending_req = NULL;
590 /* Error the request */
591 emrp->emr_out_length_used = 0;
592 emrp->emr_rc = ETIMEDOUT;
594 /* Provide a credit for seqno/emr_pending_req mismatches */
595 if (emip->emi_ev_cpl)
599 * The upper layer has called us, so we don't
600 * need to complete the request.
603 EFSYS_UNLOCK(enp->en_eslp, state);
608 __checkReturn efx_rc_t
609 efx_mcdi_request_errcode(
610 __in unsigned int err)
615 case MC_CMD_ERR_EPERM:
617 case MC_CMD_ERR_ENOENT:
619 case MC_CMD_ERR_EINTR:
621 case MC_CMD_ERR_EACCES:
623 case MC_CMD_ERR_EBUSY:
625 case MC_CMD_ERR_EINVAL:
627 case MC_CMD_ERR_EDEADLK:
629 case MC_CMD_ERR_ENOSYS:
631 case MC_CMD_ERR_ETIME:
633 case MC_CMD_ERR_ENOTSUP:
635 case MC_CMD_ERR_EALREADY:
639 case MC_CMD_ERR_EEXIST:
641 #ifdef MC_CMD_ERR_EAGAIN
642 case MC_CMD_ERR_EAGAIN:
645 #ifdef MC_CMD_ERR_ENOSPC
646 case MC_CMD_ERR_ENOSPC:
650 case MC_CMD_ERR_ALLOC_FAIL:
652 case MC_CMD_ERR_NO_VADAPTOR:
654 case MC_CMD_ERR_NO_EVB_PORT:
656 case MC_CMD_ERR_NO_VSWITCH:
658 case MC_CMD_ERR_VLAN_LIMIT:
660 case MC_CMD_ERR_BAD_PCI_FUNC:
662 case MC_CMD_ERR_BAD_VLAN_MODE:
664 case MC_CMD_ERR_BAD_VSWITCH_TYPE:
666 case MC_CMD_ERR_BAD_VPORT_TYPE:
668 case MC_CMD_ERR_MAC_EXIST:
671 case MC_CMD_ERR_PROXY_PENDING:
675 EFSYS_PROBE1(mc_pcol_error, int, err);
681 efx_mcdi_raise_exception(
683 __in_opt efx_mcdi_req_t *emrp,
686 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
687 efx_mcdi_exception_t exception;
689 /* Reboot or Assertion failure only */
690 EFSYS_ASSERT(rc == EIO || rc == EINTR);
693 * If MC_CMD_REBOOT causes a reboot (dependent on parameters),
694 * then the EIO is not worthy of an exception.
696 if (emrp != NULL && emrp->emr_cmd == MC_CMD_REBOOT && rc == EIO)
699 exception = (rc == EIO)
700 ? EFX_MCDI_EXCEPTION_MC_REBOOT
701 : EFX_MCDI_EXCEPTION_MC_BADASSERT;
703 emtp->emt_exception(emtp->emt_context, exception);
709 __inout efx_mcdi_req_t *emrp)
711 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
713 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
714 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
716 emrp->emr_quiet = B_FALSE;
717 emtp->emt_execute(emtp->emt_context, emrp);
721 efx_mcdi_execute_quiet(
723 __inout efx_mcdi_req_t *emrp)
725 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
727 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
728 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
730 emrp->emr_quiet = B_TRUE;
731 emtp->emt_execute(emtp->emt_context, emrp);
737 __in unsigned int seq,
738 __in unsigned int outlen,
741 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
742 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
743 efx_mcdi_req_t *emrp;
746 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
747 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
750 * Serialise against efx_mcdi_request_poll()/efx_mcdi_request_start()
751 * when we're completing an aborted request.
753 EFSYS_LOCK(enp->en_eslp, state);
754 if (emip->emi_pending_req == NULL || !emip->emi_ev_cpl ||
755 (seq != ((emip->emi_seq - 1) & EFX_MASK32(MCDI_HEADER_SEQ)))) {
756 EFSYS_ASSERT(emip->emi_aborted > 0);
757 if (emip->emi_aborted > 0)
759 EFSYS_UNLOCK(enp->en_eslp, state);
763 emrp = emip->emi_pending_req;
764 emip->emi_pending_req = NULL;
765 EFSYS_UNLOCK(enp->en_eslp, state);
767 if (emip->emi_max_version >= 2) {
768 /* MCDIv2 response details do not fit into an event. */
769 efx_mcdi_read_response_header(enp, emrp);
772 if (!emrp->emr_quiet) {
773 EFSYS_PROBE2(mcdi_err, int, emrp->emr_cmd,
776 emrp->emr_out_length_used = 0;
777 emrp->emr_rc = efx_mcdi_request_errcode(errcode);
779 emrp->emr_out_length_used = outlen;
784 efx_mcdi_finish_response(enp, emrp);
787 emtp->emt_ev_cpl(emtp->emt_context);
790 #if EFSYS_OPT_MCDI_PROXY_AUTH
792 __checkReturn efx_rc_t
793 efx_mcdi_get_proxy_handle(
795 __in efx_mcdi_req_t *emrp,
796 __out uint32_t *handlep)
801 * Return proxy handle from MCDI request that returned with error
802 * MC_MCD_ERR_PROXY_PENDING. This handle is used to wait for a matching
803 * PROXY_RESPONSE event.
805 if ((emrp == NULL) || (handlep == NULL)) {
809 if ((emrp->emr_rc != 0) &&
810 (emrp->emr_err_code == MC_CMD_ERR_PROXY_PENDING)) {
811 *handlep = emrp->emr_proxy_handle;
820 EFSYS_PROBE1(fail1, efx_rc_t, rc);
825 efx_mcdi_ev_proxy_response(
827 __in unsigned int handle,
828 __in unsigned int status)
830 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
834 * Handle results of an authorization request for a privileged MCDI
835 * command. If authorization was granted then we must re-issue the
836 * original MCDI request. If authorization failed or timed out,
837 * then the original MCDI request should be completed with the
838 * result code from this event.
840 rc = (status == 0) ? 0 : efx_mcdi_request_errcode(status);
842 emtp->emt_ev_proxy_response(emtp->emt_context, handle, rc);
844 #endif /* EFSYS_OPT_MCDI_PROXY_AUTH */
851 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
852 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
853 efx_mcdi_req_t *emrp = NULL;
858 * The MCDI request (if there is one) has been terminated, either
859 * by a BADASSERT or REBOOT event.
861 * If there is an outstanding event-completed MCDI operation, then we
862 * will never receive the completion event (because both MCDI
863 * completions and BADASSERT events are sent to the same evq). So
864 * complete this MCDI op.
866 * This function might run in parallel with efx_mcdi_request_poll()
867 * for poll completed mcdi requests, and also with
868 * efx_mcdi_request_start() for post-watchdog completions.
870 EFSYS_LOCK(enp->en_eslp, state);
871 emrp = emip->emi_pending_req;
872 ev_cpl = emip->emi_ev_cpl;
873 if (emrp != NULL && emip->emi_ev_cpl) {
874 emip->emi_pending_req = NULL;
876 emrp->emr_out_length_used = 0;
882 * Since we're running in parallel with a request, consume the
883 * status word before dropping the lock.
885 if (rc == EIO || rc == EINTR) {
886 EFSYS_SPIN(EFX_MCDI_STATUS_SLEEP_US);
887 (void) efx_mcdi_poll_reboot(enp);
888 emip->emi_new_epoch = B_TRUE;
891 EFSYS_UNLOCK(enp->en_eslp, state);
893 efx_mcdi_raise_exception(enp, emrp, rc);
895 if (emrp != NULL && ev_cpl)
896 emtp->emt_ev_cpl(emtp->emt_context);
899 __checkReturn efx_rc_t
902 __out_ecount_opt(4) uint16_t versionp[4],
903 __out_opt uint32_t *buildp,
904 __out_opt efx_mcdi_boot_t *statusp)
907 uint8_t payload[MAX(MAX(MC_CMD_GET_VERSION_IN_LEN,
908 MC_CMD_GET_VERSION_OUT_LEN),
909 MAX(MC_CMD_GET_BOOT_STATUS_IN_LEN,
910 MC_CMD_GET_BOOT_STATUS_OUT_LEN))];
911 efx_word_t *ver_words;
914 efx_mcdi_boot_t status;
917 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
919 (void) memset(payload, 0, sizeof (payload));
920 req.emr_cmd = MC_CMD_GET_VERSION;
921 req.emr_in_buf = payload;
922 req.emr_in_length = MC_CMD_GET_VERSION_IN_LEN;
923 req.emr_out_buf = payload;
924 req.emr_out_length = MC_CMD_GET_VERSION_OUT_LEN;
926 efx_mcdi_execute(enp, &req);
928 if (req.emr_rc != 0) {
933 /* bootrom support */
934 if (req.emr_out_length_used == MC_CMD_GET_VERSION_V0_OUT_LEN) {
935 version[0] = version[1] = version[2] = version[3] = 0;
936 build = MCDI_OUT_DWORD(req, GET_VERSION_OUT_FIRMWARE);
941 if (req.emr_out_length_used < MC_CMD_GET_VERSION_OUT_LEN) {
946 ver_words = MCDI_OUT2(req, efx_word_t, GET_VERSION_OUT_VERSION);
947 version[0] = EFX_WORD_FIELD(ver_words[0], EFX_WORD_0);
948 version[1] = EFX_WORD_FIELD(ver_words[1], EFX_WORD_0);
949 version[2] = EFX_WORD_FIELD(ver_words[2], EFX_WORD_0);
950 version[3] = EFX_WORD_FIELD(ver_words[3], EFX_WORD_0);
951 build = MCDI_OUT_DWORD(req, GET_VERSION_OUT_FIRMWARE);
954 /* The bootrom doesn't understand BOOT_STATUS */
955 if (MC_FW_VERSION_IS_BOOTLOADER(build)) {
956 status = EFX_MCDI_BOOT_ROM;
960 (void) memset(payload, 0, sizeof (payload));
961 req.emr_cmd = MC_CMD_GET_BOOT_STATUS;
962 req.emr_in_buf = payload;
963 req.emr_in_length = MC_CMD_GET_BOOT_STATUS_IN_LEN;
964 req.emr_out_buf = payload;
965 req.emr_out_length = MC_CMD_GET_BOOT_STATUS_OUT_LEN;
967 efx_mcdi_execute_quiet(enp, &req);
969 if (req.emr_rc == EACCES) {
970 /* Unprivileged functions cannot access BOOT_STATUS */
971 status = EFX_MCDI_BOOT_PRIMARY;
972 version[0] = version[1] = version[2] = version[3] = 0;
977 if (req.emr_rc != 0) {
982 if (req.emr_out_length_used < MC_CMD_GET_BOOT_STATUS_OUT_LEN) {
987 if (MCDI_OUT_DWORD_FIELD(req, GET_BOOT_STATUS_OUT_FLAGS,
988 GET_BOOT_STATUS_OUT_FLAGS_PRIMARY))
989 status = EFX_MCDI_BOOT_PRIMARY;
991 status = EFX_MCDI_BOOT_SECONDARY;
994 if (versionp != NULL)
995 memcpy(versionp, version, sizeof (version));
1010 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1015 static __checkReturn efx_rc_t
1017 __in efx_nic_t *enp,
1018 __in boolean_t after_assertion)
1020 uint8_t payload[MAX(MC_CMD_REBOOT_IN_LEN, MC_CMD_REBOOT_OUT_LEN)];
1025 * We could require the caller to have caused en_mod_flags=0 to
1026 * call this function. This doesn't help the other port though,
1027 * who's about to get the MC ripped out from underneath them.
1028 * Since they have to cope with the subsequent fallout of MCDI
1029 * failures, we should as well.
1031 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
1033 (void) memset(payload, 0, sizeof (payload));
1034 req.emr_cmd = MC_CMD_REBOOT;
1035 req.emr_in_buf = payload;
1036 req.emr_in_length = MC_CMD_REBOOT_IN_LEN;
1037 req.emr_out_buf = payload;
1038 req.emr_out_length = MC_CMD_REBOOT_OUT_LEN;
1040 MCDI_IN_SET_DWORD(req, REBOOT_IN_FLAGS,
1041 (after_assertion ? MC_CMD_REBOOT_FLAGS_AFTER_ASSERTION : 0));
1043 efx_mcdi_execute_quiet(enp, &req);
1045 if (req.emr_rc == EACCES) {
1046 /* Unprivileged functions cannot reboot the MC. */
1050 /* A successful reboot request returns EIO. */
1051 if (req.emr_rc != 0 && req.emr_rc != EIO) {
1060 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1065 __checkReturn efx_rc_t
1067 __in efx_nic_t *enp)
1069 return (efx_mcdi_do_reboot(enp, B_FALSE));
1072 __checkReturn efx_rc_t
1073 efx_mcdi_exit_assertion_handler(
1074 __in efx_nic_t *enp)
1076 return (efx_mcdi_do_reboot(enp, B_TRUE));
1079 __checkReturn efx_rc_t
1080 efx_mcdi_read_assertion(
1081 __in efx_nic_t *enp)
1084 uint8_t payload[MAX(MC_CMD_GET_ASSERTS_IN_LEN,
1085 MC_CMD_GET_ASSERTS_OUT_LEN)];
1094 * Before we attempt to chat to the MC, we should verify that the MC
1095 * isn't in it's assertion handler, either due to a previous reboot,
1096 * or because we're reinitializing due to an eec_exception().
1098 * Use GET_ASSERTS to read any assertion state that may be present.
1099 * Retry this command twice. Once because a boot-time assertion failure
1100 * might cause the 1st MCDI request to fail. And once again because
1101 * we might race with efx_mcdi_exit_assertion_handler() running on
1102 * partner port(s) on the same NIC.
1106 (void) memset(payload, 0, sizeof (payload));
1107 req.emr_cmd = MC_CMD_GET_ASSERTS;
1108 req.emr_in_buf = payload;
1109 req.emr_in_length = MC_CMD_GET_ASSERTS_IN_LEN;
1110 req.emr_out_buf = payload;
1111 req.emr_out_length = MC_CMD_GET_ASSERTS_OUT_LEN;
1113 MCDI_IN_SET_DWORD(req, GET_ASSERTS_IN_CLEAR, 1);
1114 efx_mcdi_execute_quiet(enp, &req);
1116 } while ((req.emr_rc == EINTR || req.emr_rc == EIO) && retry-- > 0);
1118 if (req.emr_rc != 0) {
1119 if (req.emr_rc == EACCES) {
1120 /* Unprivileged functions cannot clear assertions. */
1127 if (req.emr_out_length_used < MC_CMD_GET_ASSERTS_OUT_LEN) {
1132 /* Print out any assertion state recorded */
1133 flags = MCDI_OUT_DWORD(req, GET_ASSERTS_OUT_GLOBAL_FLAGS);
1134 if (flags == MC_CMD_GET_ASSERTS_FLAGS_NO_FAILS)
1137 reason = (flags == MC_CMD_GET_ASSERTS_FLAGS_SYS_FAIL)
1138 ? "system-level assertion"
1139 : (flags == MC_CMD_GET_ASSERTS_FLAGS_THR_FAIL)
1140 ? "thread-level assertion"
1141 : (flags == MC_CMD_GET_ASSERTS_FLAGS_WDOG_FIRED)
1143 : (flags == MC_CMD_GET_ASSERTS_FLAGS_ADDR_TRAP)
1144 ? "illegal address trap"
1145 : "unknown assertion";
1146 EFSYS_PROBE3(mcpu_assertion,
1147 const char *, reason, unsigned int,
1148 MCDI_OUT_DWORD(req, GET_ASSERTS_OUT_SAVED_PC_OFFS),
1150 MCDI_OUT_DWORD(req, GET_ASSERTS_OUT_THREAD_OFFS));
1152 /* Print out the registers (r1 ... r31) */
1153 ofst = MC_CMD_GET_ASSERTS_OUT_GP_REGS_OFFS_OFST;
1155 index < 1 + MC_CMD_GET_ASSERTS_OUT_GP_REGS_OFFS_NUM;
1157 EFSYS_PROBE2(mcpu_register, unsigned int, index, unsigned int,
1158 EFX_DWORD_FIELD(*MCDI_OUT(req, efx_dword_t, ofst),
1160 ofst += sizeof (efx_dword_t);
1162 EFSYS_ASSERT(ofst <= MC_CMD_GET_ASSERTS_OUT_LEN);
1170 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1177 * Internal routines for for specific MCDI requests.
1180 __checkReturn efx_rc_t
1181 efx_mcdi_drv_attach(
1182 __in efx_nic_t *enp,
1183 __in boolean_t attach)
1185 efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
1187 uint8_t payload[MAX(MC_CMD_DRV_ATTACH_IN_LEN,
1188 MC_CMD_DRV_ATTACH_EXT_OUT_LEN)];
1192 (void) memset(payload, 0, sizeof (payload));
1193 req.emr_cmd = MC_CMD_DRV_ATTACH;
1194 req.emr_in_buf = payload;
1195 req.emr_in_length = MC_CMD_DRV_ATTACH_IN_LEN;
1196 req.emr_out_buf = payload;
1197 req.emr_out_length = MC_CMD_DRV_ATTACH_EXT_OUT_LEN;
1200 * Use DONT_CARE for the datapath firmware type to ensure that the
1201 * driver can attach to an unprivileged function. The datapath firmware
1202 * type to use is controlled by the 'sfboot' utility.
1204 MCDI_IN_SET_DWORD(req, DRV_ATTACH_IN_NEW_STATE, attach ? 1 : 0);
1205 MCDI_IN_SET_DWORD(req, DRV_ATTACH_IN_UPDATE, 1);
1206 MCDI_IN_SET_DWORD(req, DRV_ATTACH_IN_FIRMWARE_ID, MC_CMD_FW_DONT_CARE);
1208 efx_mcdi_execute(enp, &req);
1210 if (req.emr_rc != 0) {
1215 if (req.emr_out_length_used < MC_CMD_DRV_ATTACH_OUT_LEN) {
1220 if (attach == B_FALSE) {
1222 } else if (enp->en_family == EFX_FAMILY_SIENA) {
1223 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
1225 /* Create synthetic privileges for Siena functions */
1226 flags = EFX_NIC_FUNC_LINKCTRL | EFX_NIC_FUNC_TRUSTED;
1227 if (emip->emi_port == 1)
1228 flags |= EFX_NIC_FUNC_PRIMARY;
1230 EFX_STATIC_ASSERT(EFX_NIC_FUNC_PRIMARY ==
1231 (1u << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_PRIMARY));
1232 EFX_STATIC_ASSERT(EFX_NIC_FUNC_LINKCTRL ==
1233 (1u << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_LINKCTRL));
1234 EFX_STATIC_ASSERT(EFX_NIC_FUNC_TRUSTED ==
1235 (1u << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_TRUSTED));
1237 /* Save function privilege flags (EF10 and later) */
1238 if (req.emr_out_length_used < MC_CMD_DRV_ATTACH_EXT_OUT_LEN) {
1242 flags = MCDI_OUT_DWORD(req, DRV_ATTACH_EXT_OUT_FUNC_FLAGS);
1244 encp->enc_func_flags = flags;
1253 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1258 __checkReturn efx_rc_t
1259 efx_mcdi_get_board_cfg(
1260 __in efx_nic_t *enp,
1261 __out_opt uint32_t *board_typep,
1262 __out_opt efx_dword_t *capabilitiesp,
1263 __out_ecount_opt(6) uint8_t mac_addrp[6])
1265 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
1267 uint8_t payload[MAX(MC_CMD_GET_BOARD_CFG_IN_LEN,
1268 MC_CMD_GET_BOARD_CFG_OUT_LENMIN)];
1271 (void) memset(payload, 0, sizeof (payload));
1272 req.emr_cmd = MC_CMD_GET_BOARD_CFG;
1273 req.emr_in_buf = payload;
1274 req.emr_in_length = MC_CMD_GET_BOARD_CFG_IN_LEN;
1275 req.emr_out_buf = payload;
1276 req.emr_out_length = MC_CMD_GET_BOARD_CFG_OUT_LENMIN;
1278 efx_mcdi_execute(enp, &req);
1280 if (req.emr_rc != 0) {
1285 if (req.emr_out_length_used < MC_CMD_GET_BOARD_CFG_OUT_LENMIN) {
1290 if (mac_addrp != NULL) {
1293 if (emip->emi_port == 1) {
1294 addrp = MCDI_OUT2(req, uint8_t,
1295 GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT0);
1296 } else if (emip->emi_port == 2) {
1297 addrp = MCDI_OUT2(req, uint8_t,
1298 GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT1);
1304 EFX_MAC_ADDR_COPY(mac_addrp, addrp);
1307 if (capabilitiesp != NULL) {
1308 if (emip->emi_port == 1) {
1309 *capabilitiesp = *MCDI_OUT2(req, efx_dword_t,
1310 GET_BOARD_CFG_OUT_CAPABILITIES_PORT0);
1311 } else if (emip->emi_port == 2) {
1312 *capabilitiesp = *MCDI_OUT2(req, efx_dword_t,
1313 GET_BOARD_CFG_OUT_CAPABILITIES_PORT1);
1320 if (board_typep != NULL) {
1321 *board_typep = MCDI_OUT_DWORD(req,
1322 GET_BOARD_CFG_OUT_BOARD_TYPE);
1334 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1339 __checkReturn efx_rc_t
1340 efx_mcdi_get_resource_limits(
1341 __in efx_nic_t *enp,
1342 __out_opt uint32_t *nevqp,
1343 __out_opt uint32_t *nrxqp,
1344 __out_opt uint32_t *ntxqp)
1347 uint8_t payload[MAX(MC_CMD_GET_RESOURCE_LIMITS_IN_LEN,
1348 MC_CMD_GET_RESOURCE_LIMITS_OUT_LEN)];
1351 (void) memset(payload, 0, sizeof (payload));
1352 req.emr_cmd = MC_CMD_GET_RESOURCE_LIMITS;
1353 req.emr_in_buf = payload;
1354 req.emr_in_length = MC_CMD_GET_RESOURCE_LIMITS_IN_LEN;
1355 req.emr_out_buf = payload;
1356 req.emr_out_length = MC_CMD_GET_RESOURCE_LIMITS_OUT_LEN;
1358 efx_mcdi_execute(enp, &req);
1360 if (req.emr_rc != 0) {
1365 if (req.emr_out_length_used < MC_CMD_GET_RESOURCE_LIMITS_OUT_LEN) {
1371 *nevqp = MCDI_OUT_DWORD(req, GET_RESOURCE_LIMITS_OUT_EVQ);
1373 *nrxqp = MCDI_OUT_DWORD(req, GET_RESOURCE_LIMITS_OUT_RXQ);
1375 *ntxqp = MCDI_OUT_DWORD(req, GET_RESOURCE_LIMITS_OUT_TXQ);
1382 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1387 __checkReturn efx_rc_t
1388 efx_mcdi_get_phy_cfg(
1389 __in efx_nic_t *enp)
1391 efx_port_t *epp = &(enp->en_port);
1392 efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
1394 uint8_t payload[MAX(MC_CMD_GET_PHY_CFG_IN_LEN,
1395 MC_CMD_GET_PHY_CFG_OUT_LEN)];
1398 (void) memset(payload, 0, sizeof (payload));
1399 req.emr_cmd = MC_CMD_GET_PHY_CFG;
1400 req.emr_in_buf = payload;
1401 req.emr_in_length = MC_CMD_GET_PHY_CFG_IN_LEN;
1402 req.emr_out_buf = payload;
1403 req.emr_out_length = MC_CMD_GET_PHY_CFG_OUT_LEN;
1405 efx_mcdi_execute(enp, &req);
1407 if (req.emr_rc != 0) {
1412 if (req.emr_out_length_used < MC_CMD_GET_PHY_CFG_OUT_LEN) {
1417 encp->enc_phy_type = MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_TYPE);
1419 (void) strncpy(encp->enc_phy_name,
1420 MCDI_OUT2(req, char, GET_PHY_CFG_OUT_NAME),
1421 MIN(sizeof (encp->enc_phy_name) - 1,
1422 MC_CMD_GET_PHY_CFG_OUT_NAME_LEN));
1423 #endif /* EFSYS_OPT_NAMES */
1424 (void) memset(encp->enc_phy_revision, 0,
1425 sizeof (encp->enc_phy_revision));
1426 memcpy(encp->enc_phy_revision,
1427 MCDI_OUT2(req, char, GET_PHY_CFG_OUT_REVISION),
1428 MIN(sizeof (encp->enc_phy_revision) - 1,
1429 MC_CMD_GET_PHY_CFG_OUT_REVISION_LEN));
1430 #if EFSYS_OPT_PHY_LED_CONTROL
1431 encp->enc_led_mask = ((1 << EFX_PHY_LED_DEFAULT) |
1432 (1 << EFX_PHY_LED_OFF) |
1433 (1 << EFX_PHY_LED_ON));
1434 #endif /* EFSYS_OPT_PHY_LED_CONTROL */
1436 /* Get the media type of the fixed port, if recognised. */
1437 EFX_STATIC_ASSERT(MC_CMD_MEDIA_XAUI == EFX_PHY_MEDIA_XAUI);
1438 EFX_STATIC_ASSERT(MC_CMD_MEDIA_CX4 == EFX_PHY_MEDIA_CX4);
1439 EFX_STATIC_ASSERT(MC_CMD_MEDIA_KX4 == EFX_PHY_MEDIA_KX4);
1440 EFX_STATIC_ASSERT(MC_CMD_MEDIA_XFP == EFX_PHY_MEDIA_XFP);
1441 EFX_STATIC_ASSERT(MC_CMD_MEDIA_SFP_PLUS == EFX_PHY_MEDIA_SFP_PLUS);
1442 EFX_STATIC_ASSERT(MC_CMD_MEDIA_BASE_T == EFX_PHY_MEDIA_BASE_T);
1443 EFX_STATIC_ASSERT(MC_CMD_MEDIA_QSFP_PLUS == EFX_PHY_MEDIA_QSFP_PLUS);
1444 epp->ep_fixed_port_type =
1445 MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_MEDIA_TYPE);
1446 if (epp->ep_fixed_port_type >= EFX_PHY_MEDIA_NTYPES)
1447 epp->ep_fixed_port_type = EFX_PHY_MEDIA_INVALID;
1449 epp->ep_phy_cap_mask =
1450 MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_SUPPORTED_CAP);
1451 #if EFSYS_OPT_PHY_FLAGS
1452 encp->enc_phy_flags_mask = MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_FLAGS);
1453 #endif /* EFSYS_OPT_PHY_FLAGS */
1455 encp->enc_port = (uint8_t)MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_PRT);
1457 /* Populate internal state */
1458 encp->enc_mcdi_mdio_channel =
1459 (uint8_t)MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_CHANNEL);
1461 #if EFSYS_OPT_PHY_STATS
1462 encp->enc_mcdi_phy_stat_mask =
1463 MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_STATS_MASK);
1464 #endif /* EFSYS_OPT_PHY_STATS */
1467 encp->enc_bist_mask = 0;
1468 if (MCDI_OUT_DWORD_FIELD(req, GET_PHY_CFG_OUT_FLAGS,
1469 GET_PHY_CFG_OUT_BIST_CABLE_SHORT))
1470 encp->enc_bist_mask |= (1 << EFX_BIST_TYPE_PHY_CABLE_SHORT);
1471 if (MCDI_OUT_DWORD_FIELD(req, GET_PHY_CFG_OUT_FLAGS,
1472 GET_PHY_CFG_OUT_BIST_CABLE_LONG))
1473 encp->enc_bist_mask |= (1 << EFX_BIST_TYPE_PHY_CABLE_LONG);
1474 if (MCDI_OUT_DWORD_FIELD(req, GET_PHY_CFG_OUT_FLAGS,
1475 GET_PHY_CFG_OUT_BIST))
1476 encp->enc_bist_mask |= (1 << EFX_BIST_TYPE_PHY_NORMAL);
1477 #endif /* EFSYS_OPT_BIST */
1484 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1489 __checkReturn efx_rc_t
1490 efx_mcdi_firmware_update_supported(
1491 __in efx_nic_t *enp,
1492 __out boolean_t *supportedp)
1494 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
1497 if (emcop != NULL) {
1498 if ((rc = emcop->emco_feature_supported(enp,
1499 EFX_MCDI_FEATURE_FW_UPDATE, supportedp)) != 0)
1502 /* Earlier devices always supported updates */
1503 *supportedp = B_TRUE;
1509 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1514 __checkReturn efx_rc_t
1515 efx_mcdi_macaddr_change_supported(
1516 __in efx_nic_t *enp,
1517 __out boolean_t *supportedp)
1519 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
1522 if (emcop != NULL) {
1523 if ((rc = emcop->emco_feature_supported(enp,
1524 EFX_MCDI_FEATURE_MACADDR_CHANGE, supportedp)) != 0)
1527 /* Earlier devices always supported MAC changes */
1528 *supportedp = B_TRUE;
1534 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1539 __checkReturn efx_rc_t
1540 efx_mcdi_link_control_supported(
1541 __in efx_nic_t *enp,
1542 __out boolean_t *supportedp)
1544 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
1547 if (emcop != NULL) {
1548 if ((rc = emcop->emco_feature_supported(enp,
1549 EFX_MCDI_FEATURE_LINK_CONTROL, supportedp)) != 0)
1552 /* Earlier devices always supported link control */
1553 *supportedp = B_TRUE;
1559 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1564 __checkReturn efx_rc_t
1565 efx_mcdi_mac_spoofing_supported(
1566 __in efx_nic_t *enp,
1567 __out boolean_t *supportedp)
1569 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
1572 if (emcop != NULL) {
1573 if ((rc = emcop->emco_feature_supported(enp,
1574 EFX_MCDI_FEATURE_MAC_SPOOFING, supportedp)) != 0)
1577 /* Earlier devices always supported MAC spoofing */
1578 *supportedp = B_TRUE;
1584 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1591 #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
1593 * Enter bist offline mode. This is a fw mode which puts the NIC into a state
1594 * where memory BIST tests can be run and not much else can interfere or happen.
1595 * A reboot is required to exit this mode.
1597 __checkReturn efx_rc_t
1598 efx_mcdi_bist_enable_offline(
1599 __in efx_nic_t *enp)
1604 EFX_STATIC_ASSERT(MC_CMD_ENABLE_OFFLINE_BIST_IN_LEN == 0);
1605 EFX_STATIC_ASSERT(MC_CMD_ENABLE_OFFLINE_BIST_OUT_LEN == 0);
1607 req.emr_cmd = MC_CMD_ENABLE_OFFLINE_BIST;
1608 req.emr_in_buf = NULL;
1609 req.emr_in_length = 0;
1610 req.emr_out_buf = NULL;
1611 req.emr_out_length = 0;
1613 efx_mcdi_execute(enp, &req);
1615 if (req.emr_rc != 0) {
1623 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1627 #endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */
1629 __checkReturn efx_rc_t
1630 efx_mcdi_bist_start(
1631 __in efx_nic_t *enp,
1632 __in efx_bist_type_t type)
1635 uint8_t payload[MAX(MC_CMD_START_BIST_IN_LEN,
1636 MC_CMD_START_BIST_OUT_LEN)];
1639 (void) memset(payload, 0, sizeof (payload));
1640 req.emr_cmd = MC_CMD_START_BIST;
1641 req.emr_in_buf = payload;
1642 req.emr_in_length = MC_CMD_START_BIST_IN_LEN;
1643 req.emr_out_buf = payload;
1644 req.emr_out_length = MC_CMD_START_BIST_OUT_LEN;
1647 case EFX_BIST_TYPE_PHY_NORMAL:
1648 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE, MC_CMD_PHY_BIST);
1650 case EFX_BIST_TYPE_PHY_CABLE_SHORT:
1651 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE,
1652 MC_CMD_PHY_BIST_CABLE_SHORT);
1654 case EFX_BIST_TYPE_PHY_CABLE_LONG:
1655 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE,
1656 MC_CMD_PHY_BIST_CABLE_LONG);
1658 case EFX_BIST_TYPE_MC_MEM:
1659 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE,
1660 MC_CMD_MC_MEM_BIST);
1662 case EFX_BIST_TYPE_SAT_MEM:
1663 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE,
1664 MC_CMD_PORT_MEM_BIST);
1666 case EFX_BIST_TYPE_REG:
1667 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE,
1674 efx_mcdi_execute(enp, &req);
1676 if (req.emr_rc != 0) {
1684 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1689 #endif /* EFSYS_OPT_BIST */
1692 /* Enable logging of some events (e.g. link state changes) */
1693 __checkReturn efx_rc_t
1695 __in efx_nic_t *enp)
1698 uint8_t payload[MAX(MC_CMD_LOG_CTRL_IN_LEN,
1699 MC_CMD_LOG_CTRL_OUT_LEN)];
1702 (void) memset(payload, 0, sizeof (payload));
1703 req.emr_cmd = MC_CMD_LOG_CTRL;
1704 req.emr_in_buf = payload;
1705 req.emr_in_length = MC_CMD_LOG_CTRL_IN_LEN;
1706 req.emr_out_buf = payload;
1707 req.emr_out_length = MC_CMD_LOG_CTRL_OUT_LEN;
1709 MCDI_IN_SET_DWORD(req, LOG_CTRL_IN_LOG_DEST,
1710 MC_CMD_LOG_CTRL_IN_LOG_DEST_EVQ);
1711 MCDI_IN_SET_DWORD(req, LOG_CTRL_IN_LOG_DEST_EVQ, 0);
1713 efx_mcdi_execute(enp, &req);
1715 if (req.emr_rc != 0) {
1723 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1729 #if EFSYS_OPT_MAC_STATS
1731 typedef enum efx_stats_action_e
1735 EFX_STATS_ENABLE_NOEVENTS,
1736 EFX_STATS_ENABLE_EVENTS,
1738 } efx_stats_action_t;
1740 static __checkReturn efx_rc_t
1742 __in efx_nic_t *enp,
1743 __in_opt efsys_mem_t *esmp,
1744 __in efx_stats_action_t action)
1747 uint8_t payload[MAX(MC_CMD_MAC_STATS_IN_LEN,
1748 MC_CMD_MAC_STATS_OUT_DMA_LEN)];
1749 int clear = (action == EFX_STATS_CLEAR);
1750 int upload = (action == EFX_STATS_UPLOAD);
1751 int enable = (action == EFX_STATS_ENABLE_NOEVENTS);
1752 int events = (action == EFX_STATS_ENABLE_EVENTS);
1753 int disable = (action == EFX_STATS_DISABLE);
1756 (void) memset(payload, 0, sizeof (payload));
1757 req.emr_cmd = MC_CMD_MAC_STATS;
1758 req.emr_in_buf = payload;
1759 req.emr_in_length = MC_CMD_MAC_STATS_IN_LEN;
1760 req.emr_out_buf = payload;
1761 req.emr_out_length = MC_CMD_MAC_STATS_OUT_DMA_LEN;
1763 MCDI_IN_POPULATE_DWORD_6(req, MAC_STATS_IN_CMD,
1764 MAC_STATS_IN_DMA, upload,
1765 MAC_STATS_IN_CLEAR, clear,
1766 MAC_STATS_IN_PERIODIC_CHANGE, enable | events | disable,
1767 MAC_STATS_IN_PERIODIC_ENABLE, enable | events,
1768 MAC_STATS_IN_PERIODIC_NOEVENT, !events,
1769 MAC_STATS_IN_PERIOD_MS, (enable | events) ? 1000: 0);
1772 int bytes = MC_CMD_MAC_NSTATS * sizeof (uint64_t);
1774 EFX_STATIC_ASSERT(MC_CMD_MAC_NSTATS * sizeof (uint64_t) <=
1775 EFX_MAC_STATS_SIZE);
1777 MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_ADDR_LO,
1778 EFSYS_MEM_ADDR(esmp) & 0xffffffff);
1779 MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_ADDR_HI,
1780 EFSYS_MEM_ADDR(esmp) >> 32);
1781 MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_LEN, bytes);
1783 EFSYS_ASSERT(!upload && !enable && !events);
1787 * NOTE: Do not use EVB_PORT_ID_ASSIGNED when disabling periodic stats,
1788 * as this may fail (and leave periodic DMA enabled) if the
1789 * vadapter has already been deleted.
1791 MCDI_IN_SET_DWORD(req, MAC_STATS_IN_PORT_ID,
1792 (disable ? EVB_PORT_ID_NULL : enp->en_vport_id));
1794 efx_mcdi_execute(enp, &req);
1796 if (req.emr_rc != 0) {
1797 /* EF10: Expect ENOENT if no DMA queues are initialised */
1798 if ((req.emr_rc != ENOENT) ||
1799 (enp->en_rx_qcount + enp->en_tx_qcount != 0)) {
1808 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1813 __checkReturn efx_rc_t
1814 efx_mcdi_mac_stats_clear(
1815 __in efx_nic_t *enp)
1819 if ((rc = efx_mcdi_mac_stats(enp, NULL, EFX_STATS_CLEAR)) != 0)
1825 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1830 __checkReturn efx_rc_t
1831 efx_mcdi_mac_stats_upload(
1832 __in efx_nic_t *enp,
1833 __in efsys_mem_t *esmp)
1838 * The MC DMAs aggregate statistics for our convenience, so we can
1839 * avoid having to pull the statistics buffer into the cache to
1840 * maintain cumulative statistics.
1842 if ((rc = efx_mcdi_mac_stats(enp, esmp, EFX_STATS_UPLOAD)) != 0)
1848 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1853 __checkReturn efx_rc_t
1854 efx_mcdi_mac_stats_periodic(
1855 __in efx_nic_t *enp,
1856 __in efsys_mem_t *esmp,
1857 __in uint16_t period,
1858 __in boolean_t events)
1863 * The MC DMAs aggregate statistics for our convenience, so we can
1864 * avoid having to pull the statistics buffer into the cache to
1865 * maintain cumulative statistics.
1866 * Huntington uses a fixed 1sec period, so use that on Siena too.
1869 rc = efx_mcdi_mac_stats(enp, NULL, EFX_STATS_DISABLE);
1871 rc = efx_mcdi_mac_stats(enp, esmp, EFX_STATS_ENABLE_EVENTS);
1873 rc = efx_mcdi_mac_stats(enp, esmp, EFX_STATS_ENABLE_NOEVENTS);
1881 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1886 #endif /* EFSYS_OPT_MAC_STATS */
1888 #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
1891 * This function returns the pf and vf number of a function. If it is a pf the
1892 * vf number is 0xffff. The vf number is the index of the vf on that
1893 * function. So if you have 3 vfs on pf 0 the 3 vfs will return (pf=0,vf=0),
1894 * (pf=0,vf=1), (pf=0,vf=2) aand the pf will return (pf=0, vf=0xffff).
1896 __checkReturn efx_rc_t
1897 efx_mcdi_get_function_info(
1898 __in efx_nic_t *enp,
1899 __out uint32_t *pfp,
1900 __out_opt uint32_t *vfp)
1903 uint8_t payload[MAX(MC_CMD_GET_FUNCTION_INFO_IN_LEN,
1904 MC_CMD_GET_FUNCTION_INFO_OUT_LEN)];
1907 (void) memset(payload, 0, sizeof (payload));
1908 req.emr_cmd = MC_CMD_GET_FUNCTION_INFO;
1909 req.emr_in_buf = payload;
1910 req.emr_in_length = MC_CMD_GET_FUNCTION_INFO_IN_LEN;
1911 req.emr_out_buf = payload;
1912 req.emr_out_length = MC_CMD_GET_FUNCTION_INFO_OUT_LEN;
1914 efx_mcdi_execute(enp, &req);
1916 if (req.emr_rc != 0) {
1921 if (req.emr_out_length_used < MC_CMD_GET_FUNCTION_INFO_OUT_LEN) {
1926 *pfp = MCDI_OUT_DWORD(req, GET_FUNCTION_INFO_OUT_PF);
1928 *vfp = MCDI_OUT_DWORD(req, GET_FUNCTION_INFO_OUT_VF);
1935 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1940 __checkReturn efx_rc_t
1941 efx_mcdi_privilege_mask(
1942 __in efx_nic_t *enp,
1945 __out uint32_t *maskp)
1948 uint8_t payload[MAX(MC_CMD_PRIVILEGE_MASK_IN_LEN,
1949 MC_CMD_PRIVILEGE_MASK_OUT_LEN)];
1952 (void) memset(payload, 0, sizeof (payload));
1953 req.emr_cmd = MC_CMD_PRIVILEGE_MASK;
1954 req.emr_in_buf = payload;
1955 req.emr_in_length = MC_CMD_PRIVILEGE_MASK_IN_LEN;
1956 req.emr_out_buf = payload;
1957 req.emr_out_length = MC_CMD_PRIVILEGE_MASK_OUT_LEN;
1959 MCDI_IN_POPULATE_DWORD_2(req, PRIVILEGE_MASK_IN_FUNCTION,
1960 PRIVILEGE_MASK_IN_FUNCTION_PF, pf,
1961 PRIVILEGE_MASK_IN_FUNCTION_VF, vf);
1963 efx_mcdi_execute(enp, &req);
1965 if (req.emr_rc != 0) {
1970 if (req.emr_out_length_used < MC_CMD_PRIVILEGE_MASK_OUT_LEN) {
1975 *maskp = MCDI_OUT_DWORD(req, PRIVILEGE_MASK_OUT_OLD_MASK);
1982 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1987 #endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */
1989 __checkReturn efx_rc_t
1990 efx_mcdi_set_workaround(
1991 __in efx_nic_t *enp,
1993 __in boolean_t enabled,
1994 __out_opt uint32_t *flagsp)
1997 uint8_t payload[MAX(MC_CMD_WORKAROUND_IN_LEN,
1998 MC_CMD_WORKAROUND_EXT_OUT_LEN)];
2001 (void) memset(payload, 0, sizeof (payload));
2002 req.emr_cmd = MC_CMD_WORKAROUND;
2003 req.emr_in_buf = payload;
2004 req.emr_in_length = MC_CMD_WORKAROUND_IN_LEN;
2005 req.emr_out_buf = payload;
2006 req.emr_out_length = MC_CMD_WORKAROUND_OUT_LEN;
2008 MCDI_IN_SET_DWORD(req, WORKAROUND_IN_TYPE, type);
2009 MCDI_IN_SET_DWORD(req, WORKAROUND_IN_ENABLED, enabled ? 1 : 0);
2011 efx_mcdi_execute_quiet(enp, &req);
2013 if (req.emr_rc != 0) {
2018 if (flagsp != NULL) {
2019 if (req.emr_out_length_used >= MC_CMD_WORKAROUND_EXT_OUT_LEN)
2020 *flagsp = MCDI_OUT_DWORD(req, WORKAROUND_EXT_OUT_FLAGS);
2028 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2034 __checkReturn efx_rc_t
2035 efx_mcdi_get_workarounds(
2036 __in efx_nic_t *enp,
2037 __out_opt uint32_t *implementedp,
2038 __out_opt uint32_t *enabledp)
2041 uint8_t payload[MC_CMD_GET_WORKAROUNDS_OUT_LEN];
2044 (void) memset(payload, 0, sizeof (payload));
2045 req.emr_cmd = MC_CMD_GET_WORKAROUNDS;
2046 req.emr_in_buf = NULL;
2047 req.emr_in_length = 0;
2048 req.emr_out_buf = payload;
2049 req.emr_out_length = MC_CMD_GET_WORKAROUNDS_OUT_LEN;
2051 efx_mcdi_execute(enp, &req);
2053 if (req.emr_rc != 0) {
2058 if (implementedp != NULL) {
2060 MCDI_OUT_DWORD(req, GET_WORKAROUNDS_OUT_IMPLEMENTED);
2063 if (enabledp != NULL) {
2064 *enabledp = MCDI_OUT_DWORD(req, GET_WORKAROUNDS_OUT_ENABLED);
2070 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2076 * Size of media information page in accordance with SFF-8472 and SFF-8436.
2077 * It is used in MCDI interface as well.
2079 #define EFX_PHY_MEDIA_INFO_PAGE_SIZE 0x80
2081 static __checkReturn efx_rc_t
2082 efx_mcdi_get_phy_media_info(
2083 __in efx_nic_t *enp,
2084 __in uint32_t mcdi_page,
2085 __in uint8_t offset,
2087 __out_bcount(len) uint8_t *data)
2090 uint8_t payload[MAX(MC_CMD_GET_PHY_MEDIA_INFO_IN_LEN,
2091 MC_CMD_GET_PHY_MEDIA_INFO_OUT_LEN(
2092 EFX_PHY_MEDIA_INFO_PAGE_SIZE))];
2095 EFSYS_ASSERT((uint32_t)offset + len <= EFX_PHY_MEDIA_INFO_PAGE_SIZE);
2097 (void) memset(payload, 0, sizeof (payload));
2098 req.emr_cmd = MC_CMD_GET_PHY_MEDIA_INFO;
2099 req.emr_in_buf = payload;
2100 req.emr_in_length = MC_CMD_GET_PHY_MEDIA_INFO_IN_LEN;
2101 req.emr_out_buf = payload;
2102 req.emr_out_length =
2103 MC_CMD_GET_PHY_MEDIA_INFO_OUT_LEN(EFX_PHY_MEDIA_INFO_PAGE_SIZE);
2105 MCDI_IN_SET_DWORD(req, GET_PHY_MEDIA_INFO_IN_PAGE, mcdi_page);
2107 efx_mcdi_execute(enp, &req);
2109 if (req.emr_rc != 0) {
2114 if (req.emr_out_length_used !=
2115 MC_CMD_GET_PHY_MEDIA_INFO_OUT_LEN(EFX_PHY_MEDIA_INFO_PAGE_SIZE)) {
2120 if (MCDI_OUT_DWORD(req, GET_PHY_MEDIA_INFO_OUT_DATALEN) !=
2121 EFX_PHY_MEDIA_INFO_PAGE_SIZE) {
2127 MCDI_OUT2(req, uint8_t, GET_PHY_MEDIA_INFO_OUT_DATA) + offset,
2137 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2143 * 2-wire device address of the base information in accordance with SFF-8472
2144 * Diagnostic Monitoring Interface for Optical Transceivers section
2145 * 4 Memory Organization.
2147 #define EFX_PHY_MEDIA_INFO_DEV_ADDR_SFP_BASE 0xA0
2150 * 2-wire device address of the digital diagnostics monitoring interface
2151 * in accordance with SFF-8472 Diagnostic Monitoring Interface for Optical
2152 * Transceivers section 4 Memory Organization.
2154 #define EFX_PHY_MEDIA_INFO_DEV_ADDR_SFP_DDM 0xA2
2157 * Hard wired 2-wire device address for QSFP+ in accordance with SFF-8436
2158 * QSFP+ 10 Gbs 4X PLUGGABLE TRANSCEIVER section 7.4 Device Addressing and
2161 #define EFX_PHY_MEDIA_INFO_DEV_ADDR_QSFP 0xA0
2163 __checkReturn efx_rc_t
2164 efx_mcdi_phy_module_get_info(
2165 __in efx_nic_t *enp,
2166 __in uint8_t dev_addr,
2167 __in uint8_t offset,
2169 __out_bcount(len) uint8_t *data)
2171 efx_port_t *epp = &(enp->en_port);
2173 uint32_t mcdi_lower_page;
2174 uint32_t mcdi_upper_page;
2176 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
2179 * Map device address to MC_CMD_GET_PHY_MEDIA_INFO pages.
2180 * Offset plus length interface allows to access page 0 only.
2181 * I.e. non-zero upper pages are not accessible.
2182 * See SFF-8472 section 4 Memory Organization and SFF-8436 section 7.6
2183 * QSFP+ Memory Map for details on how information is structured
2186 switch (epp->ep_fixed_port_type) {
2187 case EFX_PHY_MEDIA_SFP_PLUS:
2189 * In accordance with SFF-8472 Diagnostic Monitoring
2190 * Interface for Optical Transceivers section 4 Memory
2191 * Organization two 2-wire addresses are defined.
2194 /* Base information */
2195 case EFX_PHY_MEDIA_INFO_DEV_ADDR_SFP_BASE:
2197 * MCDI page 0 should be used to access lower
2198 * page 0 (0x00 - 0x7f) at the device address 0xA0.
2200 mcdi_lower_page = 0;
2202 * MCDI page 1 should be used to access upper
2203 * page 0 (0x80 - 0xff) at the device address 0xA0.
2205 mcdi_upper_page = 1;
2208 case EFX_PHY_MEDIA_INFO_DEV_ADDR_SFP_DDM:
2210 * MCDI page 2 should be used to access lower
2211 * page 0 (0x00 - 0x7f) at the device address 0xA2.
2213 mcdi_lower_page = 2;
2215 * MCDI page 3 should be used to access upper
2216 * page 0 (0x80 - 0xff) at the device address 0xA2.
2218 mcdi_upper_page = 3;
2225 case EFX_PHY_MEDIA_QSFP_PLUS:
2227 case EFX_PHY_MEDIA_INFO_DEV_ADDR_QSFP:
2229 * MCDI page -1 should be used to access lower page 0
2232 mcdi_lower_page = (uint32_t)-1;
2234 * MCDI page 0 should be used to access upper page 0
2237 mcdi_upper_page = 0;
2249 if (offset < EFX_PHY_MEDIA_INFO_PAGE_SIZE) {
2251 MIN(len, EFX_PHY_MEDIA_INFO_PAGE_SIZE - offset);
2253 rc = efx_mcdi_get_phy_media_info(enp,
2254 mcdi_lower_page, offset, read_len, data);
2263 offset -= EFX_PHY_MEDIA_INFO_PAGE_SIZE;
2267 EFSYS_ASSERT3U(len, <=, EFX_PHY_MEDIA_INFO_PAGE_SIZE);
2268 EFSYS_ASSERT3U(offset, <, EFX_PHY_MEDIA_INFO_PAGE_SIZE);
2270 rc = efx_mcdi_get_phy_media_info(enp,
2271 mcdi_upper_page, offset, len, data);
2283 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2288 #endif /* EFSYS_OPT_MCDI */