2 * Copyright (c) 2008-2015 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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23 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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26 * The views and conclusions contained in the software and documentation are
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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 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 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 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_FALCON:
107 #endif /* EFSYS_OPT_FALCON */
110 case EFX_FAMILY_SIENA:
111 emcop = (efx_mcdi_ops_t *)&__efx_mcdi_siena_ops;
113 #endif /* EFSYS_OPT_SIENA */
115 #if EFSYS_OPT_HUNTINGTON
116 case EFX_FAMILY_HUNTINGTON:
117 emcop = (efx_mcdi_ops_t *)&__efx_mcdi_ef10_ops;
119 #endif /* EFSYS_OPT_HUNTINGTON */
121 #if EFSYS_OPT_MEDFORD
122 case EFX_FAMILY_MEDFORD:
123 emcop = (efx_mcdi_ops_t *)&__efx_mcdi_ef10_ops;
125 #endif /* EFSYS_OPT_MEDFORD */
133 if (enp->en_features & EFX_FEATURE_MCDI_DMA) {
134 /* MCDI requires a DMA buffer in host memory */
135 if ((emtp == NULL) || (emtp->emt_dma_mem) == NULL) {
140 enp->en_mcdi.em_emtp = emtp;
142 if (emcop != NULL && emcop->emco_init != NULL) {
143 if ((rc = emcop->emco_init(enp, emtp)) != 0)
147 enp->en_mcdi.em_emcop = emcop;
148 enp->en_mod_flags |= EFX_MOD_MCDI;
157 EFSYS_PROBE1(fail1, efx_rc_t, rc);
159 enp->en_mcdi.em_emcop = NULL;
160 enp->en_mcdi.em_emtp = NULL;
161 enp->en_mod_flags &= ~EFX_MOD_MCDI;
170 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
171 efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
173 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
174 EFSYS_ASSERT3U(enp->en_mod_flags, ==, EFX_MOD_MCDI);
176 if (emcop != NULL && emcop->emco_fini != NULL)
177 emcop->emco_fini(enp);
180 emip->emi_aborted = 0;
182 enp->en_mcdi.em_emcop = NULL;
183 enp->en_mod_flags &= ~EFX_MOD_MCDI;
190 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
193 /* Start a new epoch (allow fresh MCDI requests to succeed) */
194 EFSYS_LOCK(enp->en_eslp, state);
195 emip->emi_new_epoch = B_TRUE;
196 EFSYS_UNLOCK(enp->en_eslp, state);
200 efx_mcdi_send_request(
207 efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
209 emcop->emco_send_request(enp, hdrp, hdr_len, sdup, sdu_len);
213 efx_mcdi_poll_reboot(
216 efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
219 rc = emcop->emco_poll_reboot(enp);
224 efx_mcdi_poll_response(
227 efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
230 available = emcop->emco_poll_response(enp);
235 efx_mcdi_read_response(
241 efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
243 emcop->emco_read_response(enp, bufferp, offset, length);
247 efx_mcdi_request_start(
249 __in efx_mcdi_req_t *emrp,
250 __in boolean_t ev_cpl)
252 #if EFSYS_OPT_MCDI_LOGGING
253 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
255 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
258 unsigned int max_version;
264 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
265 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
266 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
269 * efx_mcdi_request_start() is naturally serialised against both
270 * efx_mcdi_request_poll() and efx_mcdi_ev_cpl()/efx_mcdi_ev_death(),
271 * by virtue of there only being one outstanding MCDI request.
272 * Unfortunately, upper layers may also call efx_mcdi_request_abort()
273 * at any time, to timeout a pending mcdi request, That request may
274 * then subsequently complete, meaning efx_mcdi_ev_cpl() or
275 * efx_mcdi_ev_death() may end up running in parallel with
276 * efx_mcdi_request_start(). This race is handled by ensuring that
277 * %emi_pending_req, %emi_ev_cpl and %emi_seq are protected by the
280 EFSYS_LOCK(enp->en_eslp, state);
281 EFSYS_ASSERT(emip->emi_pending_req == NULL);
282 emip->emi_pending_req = emrp;
283 emip->emi_ev_cpl = ev_cpl;
284 emip->emi_poll_cnt = 0;
285 seq = emip->emi_seq++ & EFX_MASK32(MCDI_HEADER_SEQ);
286 new_epoch = emip->emi_new_epoch;
287 max_version = emip->emi_max_version;
288 EFSYS_UNLOCK(enp->en_eslp, state);
292 xflags |= MCDI_HEADER_XFLAGS_EVREQ;
295 * Huntington firmware supports MCDIv2, but the Huntington BootROM only
296 * supports MCDIv1. Use MCDIv1 headers for MCDIv1 commands where
297 * possible to support this.
299 if ((max_version >= 2) &&
300 ((emrp->emr_cmd > MC_CMD_CMD_SPACE_ESCAPE_7) ||
301 (emrp->emr_in_length > MCDI_CTL_SDU_LEN_MAX_V1))) {
302 /* Construct MCDI v2 header */
303 hdr_len = sizeof (hdr);
304 EFX_POPULATE_DWORD_8(hdr[0],
305 MCDI_HEADER_CODE, MC_CMD_V2_EXTN,
306 MCDI_HEADER_RESYNC, 1,
307 MCDI_HEADER_DATALEN, 0,
308 MCDI_HEADER_SEQ, seq,
309 MCDI_HEADER_NOT_EPOCH, new_epoch ? 0 : 1,
310 MCDI_HEADER_ERROR, 0,
311 MCDI_HEADER_RESPONSE, 0,
312 MCDI_HEADER_XFLAGS, xflags);
314 EFX_POPULATE_DWORD_2(hdr[1],
315 MC_CMD_V2_EXTN_IN_EXTENDED_CMD, emrp->emr_cmd,
316 MC_CMD_V2_EXTN_IN_ACTUAL_LEN, emrp->emr_in_length);
318 /* Construct MCDI v1 header */
319 hdr_len = sizeof (hdr[0]);
320 EFX_POPULATE_DWORD_8(hdr[0],
321 MCDI_HEADER_CODE, emrp->emr_cmd,
322 MCDI_HEADER_RESYNC, 1,
323 MCDI_HEADER_DATALEN, emrp->emr_in_length,
324 MCDI_HEADER_SEQ, seq,
325 MCDI_HEADER_NOT_EPOCH, new_epoch ? 0 : 1,
326 MCDI_HEADER_ERROR, 0,
327 MCDI_HEADER_RESPONSE, 0,
328 MCDI_HEADER_XFLAGS, xflags);
331 #if EFSYS_OPT_MCDI_LOGGING
332 if (emtp->emt_logger != NULL) {
333 emtp->emt_logger(emtp->emt_context, EFX_LOG_MCDI_REQUEST,
335 emrp->emr_in_buf, emrp->emr_in_length);
337 #endif /* EFSYS_OPT_MCDI_LOGGING */
339 efx_mcdi_send_request(enp, &hdr[0], hdr_len,
340 emrp->emr_in_buf, emrp->emr_in_length);
345 efx_mcdi_read_response_header(
347 __inout efx_mcdi_req_t *emrp)
349 #if EFSYS_OPT_MCDI_LOGGING
350 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
351 #endif /* EFSYS_OPT_MCDI_LOGGING */
352 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
354 unsigned int hdr_len;
355 unsigned int data_len;
361 EFSYS_ASSERT(emrp != NULL);
363 efx_mcdi_read_response(enp, &hdr[0], 0, sizeof (hdr[0]));
364 hdr_len = sizeof (hdr[0]);
366 cmd = EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_CODE);
367 seq = EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_SEQ);
368 error = EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_ERROR);
370 if (cmd != MC_CMD_V2_EXTN) {
371 data_len = EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_DATALEN);
373 efx_mcdi_read_response(enp, &hdr[1], hdr_len, sizeof (hdr[1]));
374 hdr_len += sizeof (hdr[1]);
376 cmd = EFX_DWORD_FIELD(hdr[1], MC_CMD_V2_EXTN_IN_EXTENDED_CMD);
378 EFX_DWORD_FIELD(hdr[1], MC_CMD_V2_EXTN_IN_ACTUAL_LEN);
381 if (error && (data_len == 0)) {
382 /* The MC has rebooted since the request was sent. */
383 EFSYS_SPIN(EFX_MCDI_STATUS_SLEEP_US);
384 efx_mcdi_poll_reboot(enp);
388 if ((cmd != emrp->emr_cmd) ||
389 (seq != ((emip->emi_seq - 1) & EFX_MASK32(MCDI_HEADER_SEQ)))) {
390 /* Response is for a different request */
396 unsigned int err_len = MIN(data_len, sizeof (err));
397 int err_code = MC_CMD_ERR_EPROTO;
400 /* Read error code (and arg num for MCDI v2 commands) */
401 efx_mcdi_read_response(enp, &err, hdr_len, err_len);
403 if (err_len >= (MC_CMD_ERR_CODE_OFST + sizeof (efx_dword_t)))
404 err_code = EFX_DWORD_FIELD(err[0], EFX_DWORD_0);
406 if (err_len >= (MC_CMD_ERR_ARG_OFST + sizeof (efx_dword_t)))
407 err_arg = EFX_DWORD_FIELD(err[1], EFX_DWORD_0);
409 emrp->emr_err_code = err_code;
410 emrp->emr_err_arg = err_arg;
412 #if EFSYS_OPT_MCDI_PROXY_AUTH
413 if ((err_code == MC_CMD_ERR_PROXY_PENDING) &&
414 (err_len == sizeof (err))) {
416 * The MCDI request would normally fail with EPERM, but
417 * firmware has forwarded it to an authorization agent
418 * attached to a privileged PF.
420 * Save the authorization request handle. The client
421 * must wait for a PROXY_RESPONSE event, or timeout.
423 emrp->emr_proxy_handle = err_arg;
425 #endif /* EFSYS_OPT_MCDI_PROXY_AUTH */
427 #if EFSYS_OPT_MCDI_LOGGING
428 if (emtp->emt_logger != NULL) {
429 emtp->emt_logger(emtp->emt_context,
430 EFX_LOG_MCDI_RESPONSE,
434 #endif /* EFSYS_OPT_MCDI_LOGGING */
436 if (!emrp->emr_quiet) {
437 EFSYS_PROBE3(mcdi_err_arg, int, emrp->emr_cmd,
438 int, err_code, int, err_arg);
441 rc = efx_mcdi_request_errcode(err_code);
446 emrp->emr_out_length_used = data_len;
447 #if EFSYS_OPT_MCDI_PROXY_AUTH
448 emrp->emr_proxy_handle = 0;
449 #endif /* EFSYS_OPT_MCDI_PROXY_AUTH */
456 emrp->emr_out_length_used = 0;
460 efx_mcdi_finish_response(
462 __in efx_mcdi_req_t *emrp)
464 #if EFSYS_OPT_MCDI_LOGGING
465 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
466 #endif /* EFSYS_OPT_MCDI_LOGGING */
468 unsigned int hdr_len;
471 if (emrp->emr_out_buf == NULL)
474 /* Read the command header to detect MCDI response format */
475 hdr_len = sizeof (hdr[0]);
476 efx_mcdi_read_response(enp, &hdr[0], 0, hdr_len);
477 if (EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_CODE) == MC_CMD_V2_EXTN) {
479 * Read the actual payload length. The length given in the event
480 * is only correct for responses with the V1 format.
482 efx_mcdi_read_response(enp, &hdr[1], hdr_len, sizeof (hdr[1]));
483 hdr_len += sizeof (hdr[1]);
485 emrp->emr_out_length_used = EFX_DWORD_FIELD(hdr[1],
486 MC_CMD_V2_EXTN_IN_ACTUAL_LEN);
489 /* Copy payload out into caller supplied buffer */
490 bytes = MIN(emrp->emr_out_length_used, emrp->emr_out_length);
491 efx_mcdi_read_response(enp, emrp->emr_out_buf, hdr_len, bytes);
493 #if EFSYS_OPT_MCDI_LOGGING
494 if (emtp->emt_logger != NULL) {
495 emtp->emt_logger(emtp->emt_context,
496 EFX_LOG_MCDI_RESPONSE,
498 emrp->emr_out_buf, bytes);
500 #endif /* EFSYS_OPT_MCDI_LOGGING */
504 __checkReturn boolean_t
505 efx_mcdi_request_poll(
508 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
509 efx_mcdi_req_t *emrp;
513 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
514 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
515 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
517 /* Serialise against post-watchdog efx_mcdi_ev* */
518 EFSYS_LOCK(enp->en_eslp, state);
520 EFSYS_ASSERT(emip->emi_pending_req != NULL);
521 EFSYS_ASSERT(!emip->emi_ev_cpl);
522 emrp = emip->emi_pending_req;
524 /* Check for reboot atomically w.r.t efx_mcdi_request_start */
525 if (emip->emi_poll_cnt++ == 0) {
526 if ((rc = efx_mcdi_poll_reboot(enp)) != 0) {
527 emip->emi_pending_req = NULL;
528 EFSYS_UNLOCK(enp->en_eslp, state);
533 /* Check if a response is available */
534 if (efx_mcdi_poll_response(enp) == B_FALSE) {
535 EFSYS_UNLOCK(enp->en_eslp, state);
539 /* Read the response header */
540 efx_mcdi_read_response_header(enp, emrp);
542 /* Request complete */
543 emip->emi_pending_req = NULL;
545 EFSYS_UNLOCK(enp->en_eslp, state);
547 if ((rc = emrp->emr_rc) != 0)
550 efx_mcdi_finish_response(enp, emrp);
554 if (!emrp->emr_quiet)
557 if (!emrp->emr_quiet)
558 EFSYS_PROBE1(fail1, efx_rc_t, rc);
560 /* Reboot/Assertion */
561 if (rc == EIO || rc == EINTR)
562 efx_mcdi_raise_exception(enp, emrp, rc);
567 __checkReturn boolean_t
568 efx_mcdi_request_abort(
571 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
572 efx_mcdi_req_t *emrp;
576 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
577 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
578 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
581 * efx_mcdi_ev_* may have already completed this event, and be
582 * spinning/blocked on the upper layer lock. So it *is* legitimate
583 * to for emi_pending_req to be NULL. If there is a pending event
584 * completed request, then provide a "credit" to allow
585 * efx_mcdi_ev_cpl() to accept a single spurious completion.
587 EFSYS_LOCK(enp->en_eslp, state);
588 emrp = emip->emi_pending_req;
589 aborted = (emrp != NULL);
591 emip->emi_pending_req = NULL;
593 /* Error the request */
594 emrp->emr_out_length_used = 0;
595 emrp->emr_rc = ETIMEDOUT;
597 /* Provide a credit for seqno/emr_pending_req mismatches */
598 if (emip->emi_ev_cpl)
602 * The upper layer has called us, so we don't
603 * need to complete the request.
606 EFSYS_UNLOCK(enp->en_eslp, state);
611 __checkReturn efx_rc_t
612 efx_mcdi_request_errcode(
613 __in unsigned int err)
618 case MC_CMD_ERR_EPERM:
620 case MC_CMD_ERR_ENOENT:
622 case MC_CMD_ERR_EINTR:
624 case MC_CMD_ERR_EACCES:
626 case MC_CMD_ERR_EBUSY:
628 case MC_CMD_ERR_EINVAL:
630 case MC_CMD_ERR_EDEADLK:
632 case MC_CMD_ERR_ENOSYS:
634 case MC_CMD_ERR_ETIME:
636 case MC_CMD_ERR_ENOTSUP:
638 case MC_CMD_ERR_EALREADY:
642 #ifdef MC_CMD_ERR_EAGAIN
643 case MC_CMD_ERR_EAGAIN:
646 #ifdef MC_CMD_ERR_ENOSPC
647 case MC_CMD_ERR_ENOSPC:
651 case MC_CMD_ERR_ALLOC_FAIL:
653 case MC_CMD_ERR_NO_VADAPTOR:
655 case MC_CMD_ERR_NO_EVB_PORT:
657 case MC_CMD_ERR_NO_VSWITCH:
659 case MC_CMD_ERR_VLAN_LIMIT:
661 case MC_CMD_ERR_BAD_PCI_FUNC:
663 case MC_CMD_ERR_BAD_VLAN_MODE:
665 case MC_CMD_ERR_BAD_VSWITCH_TYPE:
667 case MC_CMD_ERR_BAD_VPORT_TYPE:
669 case MC_CMD_ERR_MAC_EXIST:
672 case MC_CMD_ERR_PROXY_PENDING:
676 EFSYS_PROBE1(mc_pcol_error, int, err);
682 efx_mcdi_raise_exception(
684 __in_opt efx_mcdi_req_t *emrp,
687 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
688 efx_mcdi_exception_t exception;
690 /* Reboot or Assertion failure only */
691 EFSYS_ASSERT(rc == EIO || rc == EINTR);
694 * If MC_CMD_REBOOT causes a reboot (dependent on parameters),
695 * then the EIO is not worthy of an exception.
697 if (emrp != NULL && emrp->emr_cmd == MC_CMD_REBOOT && rc == EIO)
700 exception = (rc == EIO)
701 ? EFX_MCDI_EXCEPTION_MC_REBOOT
702 : EFX_MCDI_EXCEPTION_MC_BADASSERT;
704 emtp->emt_exception(emtp->emt_context, exception);
710 __inout efx_mcdi_req_t *emrp)
712 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
714 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
715 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
717 emrp->emr_quiet = B_FALSE;
718 emtp->emt_execute(emtp->emt_context, emrp);
722 efx_mcdi_execute_quiet(
724 __inout efx_mcdi_req_t *emrp)
726 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
728 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
729 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
731 emrp->emr_quiet = B_TRUE;
732 emtp->emt_execute(emtp->emt_context, emrp);
738 __in unsigned int seq,
739 __in unsigned int outlen,
742 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
743 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
744 efx_mcdi_req_t *emrp;
747 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
748 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
751 * Serialise against efx_mcdi_request_poll()/efx_mcdi_request_start()
752 * when we're completing an aborted request.
754 EFSYS_LOCK(enp->en_eslp, state);
755 if (emip->emi_pending_req == NULL || !emip->emi_ev_cpl ||
756 (seq != ((emip->emi_seq - 1) & EFX_MASK32(MCDI_HEADER_SEQ)))) {
757 EFSYS_ASSERT(emip->emi_aborted > 0);
758 if (emip->emi_aborted > 0)
760 EFSYS_UNLOCK(enp->en_eslp, state);
764 emrp = emip->emi_pending_req;
765 emip->emi_pending_req = NULL;
766 EFSYS_UNLOCK(enp->en_eslp, state);
768 if (emip->emi_max_version >= 2) {
769 /* MCDIv2 response details do not fit into an event. */
770 efx_mcdi_read_response_header(enp, emrp);
773 if (!emrp->emr_quiet) {
774 EFSYS_PROBE2(mcdi_err, int, emrp->emr_cmd,
777 emrp->emr_out_length_used = 0;
778 emrp->emr_rc = efx_mcdi_request_errcode(errcode);
780 emrp->emr_out_length_used = outlen;
785 efx_mcdi_finish_response(enp, emrp);
788 emtp->emt_ev_cpl(emtp->emt_context);
791 #if EFSYS_OPT_MCDI_PROXY_AUTH
793 __checkReturn efx_rc_t
794 efx_mcdi_get_proxy_handle(
796 __in efx_mcdi_req_t *emrp,
797 __out uint32_t *handlep)
799 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
803 * Return proxy handle from MCDI request that returned with error
804 * MC_MCD_ERR_PROXY_PENDING. This handle is used to wait for a matching
805 * PROXY_RESPONSE event.
807 if ((emrp == NULL) || (handlep == NULL)) {
811 if ((emrp->emr_rc != 0) &&
812 (emrp->emr_err_code == MC_CMD_ERR_PROXY_PENDING)) {
813 *handlep = emrp->emr_proxy_handle;
822 EFSYS_PROBE1(fail1, efx_rc_t, rc);
827 efx_mcdi_ev_proxy_response(
829 __in unsigned int handle,
830 __in unsigned int status)
832 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
836 * Handle results of an authorization request for a privileged MCDI
837 * command. If authorization was granted then we must re-issue the
838 * original MCDI request. If authorization failed or timed out,
839 * then the original MCDI request should be completed with the
840 * result code from this event.
842 rc = (status == 0) ? 0 : efx_mcdi_request_errcode(status);
844 emtp->emt_ev_proxy_response(emtp->emt_context, handle, rc);
846 #endif /* EFSYS_OPT_MCDI_PROXY_AUTH */
853 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
854 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
855 efx_mcdi_req_t *emrp = NULL;
860 * The MCDI request (if there is one) has been terminated, either
861 * by a BADASSERT or REBOOT event.
863 * If there is an outstanding event-completed MCDI operation, then we
864 * will never receive the completion event (because both MCDI
865 * completions and BADASSERT events are sent to the same evq). So
866 * complete this MCDI op.
868 * This function might run in parallel with efx_mcdi_request_poll()
869 * for poll completed mcdi requests, and also with
870 * efx_mcdi_request_start() for post-watchdog completions.
872 EFSYS_LOCK(enp->en_eslp, state);
873 emrp = emip->emi_pending_req;
874 ev_cpl = emip->emi_ev_cpl;
875 if (emrp != NULL && emip->emi_ev_cpl) {
876 emip->emi_pending_req = NULL;
878 emrp->emr_out_length_used = 0;
884 * Since we're running in parallel with a request, consume the
885 * status word before dropping the lock.
887 if (rc == EIO || rc == EINTR) {
888 EFSYS_SPIN(EFX_MCDI_STATUS_SLEEP_US);
889 (void) efx_mcdi_poll_reboot(enp);
890 emip->emi_new_epoch = B_TRUE;
893 EFSYS_UNLOCK(enp->en_eslp, state);
895 efx_mcdi_raise_exception(enp, emrp, rc);
897 if (emrp != NULL && ev_cpl)
898 emtp->emt_ev_cpl(emtp->emt_context);
901 __checkReturn efx_rc_t
904 __out_ecount_opt(4) uint16_t versionp[4],
905 __out_opt uint32_t *buildp,
906 __out_opt efx_mcdi_boot_t *statusp)
909 uint8_t payload[MAX(MAX(MC_CMD_GET_VERSION_IN_LEN,
910 MC_CMD_GET_VERSION_OUT_LEN),
911 MAX(MC_CMD_GET_BOOT_STATUS_IN_LEN,
912 MC_CMD_GET_BOOT_STATUS_OUT_LEN))];
913 efx_word_t *ver_words;
916 efx_mcdi_boot_t status;
919 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
921 (void) memset(payload, 0, sizeof (payload));
922 req.emr_cmd = MC_CMD_GET_VERSION;
923 req.emr_in_buf = payload;
924 req.emr_in_length = MC_CMD_GET_VERSION_IN_LEN;
925 req.emr_out_buf = payload;
926 req.emr_out_length = MC_CMD_GET_VERSION_OUT_LEN;
928 efx_mcdi_execute(enp, &req);
930 if (req.emr_rc != 0) {
935 /* bootrom support */
936 if (req.emr_out_length_used == MC_CMD_GET_VERSION_V0_OUT_LEN) {
937 version[0] = version[1] = version[2] = version[3] = 0;
938 build = MCDI_OUT_DWORD(req, GET_VERSION_OUT_FIRMWARE);
943 if (req.emr_out_length_used < MC_CMD_GET_VERSION_OUT_LEN) {
948 ver_words = MCDI_OUT2(req, efx_word_t, GET_VERSION_OUT_VERSION);
949 version[0] = EFX_WORD_FIELD(ver_words[0], EFX_WORD_0);
950 version[1] = EFX_WORD_FIELD(ver_words[1], EFX_WORD_0);
951 version[2] = EFX_WORD_FIELD(ver_words[2], EFX_WORD_0);
952 version[3] = EFX_WORD_FIELD(ver_words[3], EFX_WORD_0);
953 build = MCDI_OUT_DWORD(req, GET_VERSION_OUT_FIRMWARE);
956 /* The bootrom doesn't understand BOOT_STATUS */
957 if (MC_FW_VERSION_IS_BOOTLOADER(build)) {
958 status = EFX_MCDI_BOOT_ROM;
962 (void) memset(payload, 0, sizeof (payload));
963 req.emr_cmd = MC_CMD_GET_BOOT_STATUS;
964 req.emr_in_buf = payload;
965 req.emr_in_length = MC_CMD_GET_BOOT_STATUS_IN_LEN;
966 req.emr_out_buf = payload;
967 req.emr_out_length = MC_CMD_GET_BOOT_STATUS_OUT_LEN;
969 efx_mcdi_execute_quiet(enp, &req);
971 if (req.emr_rc == EACCES) {
972 /* Unprivileged functions cannot access BOOT_STATUS */
973 status = EFX_MCDI_BOOT_PRIMARY;
974 version[0] = version[1] = version[2] = version[3] = 0;
979 if (req.emr_rc != 0) {
984 if (req.emr_out_length_used < MC_CMD_GET_BOOT_STATUS_OUT_LEN) {
989 if (MCDI_OUT_DWORD_FIELD(req, GET_BOOT_STATUS_OUT_FLAGS,
990 GET_BOOT_STATUS_OUT_FLAGS_PRIMARY))
991 status = EFX_MCDI_BOOT_PRIMARY;
993 status = EFX_MCDI_BOOT_SECONDARY;
996 if (versionp != NULL)
997 memcpy(versionp, version, sizeof (version));
1000 if (statusp != NULL)
1012 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1017 static __checkReturn efx_rc_t
1019 __in efx_nic_t *enp,
1020 __in boolean_t after_assertion)
1022 uint8_t payload[MAX(MC_CMD_REBOOT_IN_LEN, MC_CMD_REBOOT_OUT_LEN)];
1027 * We could require the caller to have caused en_mod_flags=0 to
1028 * call this function. This doesn't help the other port though,
1029 * who's about to get the MC ripped out from underneath them.
1030 * Since they have to cope with the subsequent fallout of MCDI
1031 * failures, we should as well.
1033 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
1035 (void) memset(payload, 0, sizeof (payload));
1036 req.emr_cmd = MC_CMD_REBOOT;
1037 req.emr_in_buf = payload;
1038 req.emr_in_length = MC_CMD_REBOOT_IN_LEN;
1039 req.emr_out_buf = payload;
1040 req.emr_out_length = MC_CMD_REBOOT_OUT_LEN;
1042 MCDI_IN_SET_DWORD(req, REBOOT_IN_FLAGS,
1043 (after_assertion ? MC_CMD_REBOOT_FLAGS_AFTER_ASSERTION : 0));
1045 efx_mcdi_execute_quiet(enp, &req);
1047 if (req.emr_rc == EACCES) {
1048 /* Unprivileged functions cannot reboot the MC. */
1052 /* A successful reboot request returns EIO. */
1053 if (req.emr_rc != 0 && req.emr_rc != EIO) {
1062 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1067 __checkReturn efx_rc_t
1069 __in efx_nic_t *enp)
1071 return (efx_mcdi_do_reboot(enp, B_FALSE));
1074 __checkReturn efx_rc_t
1075 efx_mcdi_exit_assertion_handler(
1076 __in efx_nic_t *enp)
1078 return (efx_mcdi_do_reboot(enp, B_TRUE));
1081 __checkReturn efx_rc_t
1082 efx_mcdi_read_assertion(
1083 __in efx_nic_t *enp)
1086 uint8_t payload[MAX(MC_CMD_GET_ASSERTS_IN_LEN,
1087 MC_CMD_GET_ASSERTS_OUT_LEN)];
1096 * Before we attempt to chat to the MC, we should verify that the MC
1097 * isn't in it's assertion handler, either due to a previous reboot,
1098 * or because we're reinitializing due to an eec_exception().
1100 * Use GET_ASSERTS to read any assertion state that may be present.
1101 * Retry this command twice. Once because a boot-time assertion failure
1102 * might cause the 1st MCDI request to fail. And once again because
1103 * we might race with efx_mcdi_exit_assertion_handler() running on
1104 * partner port(s) on the same NIC.
1108 (void) memset(payload, 0, sizeof (payload));
1109 req.emr_cmd = MC_CMD_GET_ASSERTS;
1110 req.emr_in_buf = payload;
1111 req.emr_in_length = MC_CMD_GET_ASSERTS_IN_LEN;
1112 req.emr_out_buf = payload;
1113 req.emr_out_length = MC_CMD_GET_ASSERTS_OUT_LEN;
1115 MCDI_IN_SET_DWORD(req, GET_ASSERTS_IN_CLEAR, 1);
1116 efx_mcdi_execute_quiet(enp, &req);
1118 } while ((req.emr_rc == EINTR || req.emr_rc == EIO) && retry-- > 0);
1120 if (req.emr_rc != 0) {
1121 if (req.emr_rc == EACCES) {
1122 /* Unprivileged functions cannot clear assertions. */
1129 if (req.emr_out_length_used < MC_CMD_GET_ASSERTS_OUT_LEN) {
1134 /* Print out any assertion state recorded */
1135 flags = MCDI_OUT_DWORD(req, GET_ASSERTS_OUT_GLOBAL_FLAGS);
1136 if (flags == MC_CMD_GET_ASSERTS_FLAGS_NO_FAILS)
1139 reason = (flags == MC_CMD_GET_ASSERTS_FLAGS_SYS_FAIL)
1140 ? "system-level assertion"
1141 : (flags == MC_CMD_GET_ASSERTS_FLAGS_THR_FAIL)
1142 ? "thread-level assertion"
1143 : (flags == MC_CMD_GET_ASSERTS_FLAGS_WDOG_FIRED)
1145 : (flags == MC_CMD_GET_ASSERTS_FLAGS_ADDR_TRAP)
1146 ? "illegal address trap"
1147 : "unknown assertion";
1148 EFSYS_PROBE3(mcpu_assertion,
1149 const char *, reason, unsigned int,
1150 MCDI_OUT_DWORD(req, GET_ASSERTS_OUT_SAVED_PC_OFFS),
1152 MCDI_OUT_DWORD(req, GET_ASSERTS_OUT_THREAD_OFFS));
1154 /* Print out the registers (r1 ... r31) */
1155 ofst = MC_CMD_GET_ASSERTS_OUT_GP_REGS_OFFS_OFST;
1157 index < 1 + MC_CMD_GET_ASSERTS_OUT_GP_REGS_OFFS_NUM;
1159 EFSYS_PROBE2(mcpu_register, unsigned int, index, unsigned int,
1160 EFX_DWORD_FIELD(*MCDI_OUT(req, efx_dword_t, ofst),
1162 ofst += sizeof (efx_dword_t);
1164 EFSYS_ASSERT(ofst <= MC_CMD_GET_ASSERTS_OUT_LEN);
1172 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1179 * Internal routines for for specific MCDI requests.
1182 __checkReturn efx_rc_t
1183 efx_mcdi_drv_attach(
1184 __in efx_nic_t *enp,
1185 __in boolean_t attach)
1187 efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
1189 uint8_t payload[MAX(MC_CMD_DRV_ATTACH_IN_LEN,
1190 MC_CMD_DRV_ATTACH_EXT_OUT_LEN)];
1194 (void) memset(payload, 0, sizeof (payload));
1195 req.emr_cmd = MC_CMD_DRV_ATTACH;
1196 req.emr_in_buf = payload;
1197 req.emr_in_length = MC_CMD_DRV_ATTACH_IN_LEN;
1198 req.emr_out_buf = payload;
1199 req.emr_out_length = MC_CMD_DRV_ATTACH_EXT_OUT_LEN;
1202 * Use DONT_CARE for the datapath firmware type to ensure that the
1203 * driver can attach to an unprivileged function. The datapath firmware
1204 * type to use is controlled by the 'sfboot' utility.
1206 MCDI_IN_SET_DWORD(req, DRV_ATTACH_IN_NEW_STATE, attach ? 1 : 0);
1207 MCDI_IN_SET_DWORD(req, DRV_ATTACH_IN_UPDATE, 1);
1208 MCDI_IN_SET_DWORD(req, DRV_ATTACH_IN_FIRMWARE_ID, MC_CMD_FW_DONT_CARE);
1210 efx_mcdi_execute(enp, &req);
1212 if (req.emr_rc != 0) {
1217 if (req.emr_out_length_used < MC_CMD_DRV_ATTACH_OUT_LEN) {
1222 if (attach == B_FALSE) {
1224 } else if (enp->en_family == EFX_FAMILY_SIENA) {
1225 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
1227 /* Create synthetic privileges for Siena functions */
1228 flags = EFX_NIC_FUNC_LINKCTRL | EFX_NIC_FUNC_TRUSTED;
1229 if (emip->emi_port == 1)
1230 flags |= EFX_NIC_FUNC_PRIMARY;
1232 EFX_STATIC_ASSERT(EFX_NIC_FUNC_PRIMARY ==
1233 (1u << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_PRIMARY));
1234 EFX_STATIC_ASSERT(EFX_NIC_FUNC_LINKCTRL ==
1235 (1u << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_LINKCTRL));
1236 EFX_STATIC_ASSERT(EFX_NIC_FUNC_TRUSTED ==
1237 (1u << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_TRUSTED));
1239 /* Save function privilege flags (EF10 and later) */
1240 if (req.emr_out_length_used < MC_CMD_DRV_ATTACH_EXT_OUT_LEN) {
1244 flags = MCDI_OUT_DWORD(req, DRV_ATTACH_EXT_OUT_FUNC_FLAGS);
1246 encp->enc_func_flags = flags;
1255 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1260 __checkReturn efx_rc_t
1261 efx_mcdi_get_board_cfg(
1262 __in efx_nic_t *enp,
1263 __out_opt uint32_t *board_typep,
1264 __out_opt efx_dword_t *capabilitiesp,
1265 __out_ecount_opt(6) uint8_t mac_addrp[6])
1267 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
1269 uint8_t payload[MAX(MC_CMD_GET_BOARD_CFG_IN_LEN,
1270 MC_CMD_GET_BOARD_CFG_OUT_LENMIN)];
1273 (void) memset(payload, 0, sizeof (payload));
1274 req.emr_cmd = MC_CMD_GET_BOARD_CFG;
1275 req.emr_in_buf = payload;
1276 req.emr_in_length = MC_CMD_GET_BOARD_CFG_IN_LEN;
1277 req.emr_out_buf = payload;
1278 req.emr_out_length = MC_CMD_GET_BOARD_CFG_OUT_LENMIN;
1280 efx_mcdi_execute(enp, &req);
1282 if (req.emr_rc != 0) {
1287 if (req.emr_out_length_used < MC_CMD_GET_BOARD_CFG_OUT_LENMIN) {
1292 if (mac_addrp != NULL) {
1295 if (emip->emi_port == 1) {
1296 addrp = MCDI_OUT2(req, uint8_t,
1297 GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT0);
1298 } else if (emip->emi_port == 2) {
1299 addrp = MCDI_OUT2(req, uint8_t,
1300 GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT1);
1306 EFX_MAC_ADDR_COPY(mac_addrp, addrp);
1309 if (capabilitiesp != NULL) {
1310 if (emip->emi_port == 1) {
1311 *capabilitiesp = *MCDI_OUT2(req, efx_dword_t,
1312 GET_BOARD_CFG_OUT_CAPABILITIES_PORT0);
1313 } else if (emip->emi_port == 2) {
1314 *capabilitiesp = *MCDI_OUT2(req, efx_dword_t,
1315 GET_BOARD_CFG_OUT_CAPABILITIES_PORT1);
1322 if (board_typep != NULL) {
1323 *board_typep = MCDI_OUT_DWORD(req,
1324 GET_BOARD_CFG_OUT_BOARD_TYPE);
1336 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1341 __checkReturn efx_rc_t
1342 efx_mcdi_get_resource_limits(
1343 __in efx_nic_t *enp,
1344 __out_opt uint32_t *nevqp,
1345 __out_opt uint32_t *nrxqp,
1346 __out_opt uint32_t *ntxqp)
1349 uint8_t payload[MAX(MC_CMD_GET_RESOURCE_LIMITS_IN_LEN,
1350 MC_CMD_GET_RESOURCE_LIMITS_OUT_LEN)];
1353 (void) memset(payload, 0, sizeof (payload));
1354 req.emr_cmd = MC_CMD_GET_RESOURCE_LIMITS;
1355 req.emr_in_buf = payload;
1356 req.emr_in_length = MC_CMD_GET_RESOURCE_LIMITS_IN_LEN;
1357 req.emr_out_buf = payload;
1358 req.emr_out_length = MC_CMD_GET_RESOURCE_LIMITS_OUT_LEN;
1360 efx_mcdi_execute(enp, &req);
1362 if (req.emr_rc != 0) {
1367 if (req.emr_out_length_used < MC_CMD_GET_RESOURCE_LIMITS_OUT_LEN) {
1373 *nevqp = MCDI_OUT_DWORD(req, GET_RESOURCE_LIMITS_OUT_EVQ);
1375 *nrxqp = MCDI_OUT_DWORD(req, GET_RESOURCE_LIMITS_OUT_RXQ);
1377 *ntxqp = MCDI_OUT_DWORD(req, GET_RESOURCE_LIMITS_OUT_TXQ);
1384 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1389 __checkReturn efx_rc_t
1390 efx_mcdi_get_phy_cfg(
1391 __in efx_nic_t *enp)
1393 efx_port_t *epp = &(enp->en_port);
1394 efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
1396 uint8_t payload[MAX(MC_CMD_GET_PHY_CFG_IN_LEN,
1397 MC_CMD_GET_PHY_CFG_OUT_LEN)];
1400 (void) memset(payload, 0, sizeof (payload));
1401 req.emr_cmd = MC_CMD_GET_PHY_CFG;
1402 req.emr_in_buf = payload;
1403 req.emr_in_length = MC_CMD_GET_PHY_CFG_IN_LEN;
1404 req.emr_out_buf = payload;
1405 req.emr_out_length = MC_CMD_GET_PHY_CFG_OUT_LEN;
1407 efx_mcdi_execute(enp, &req);
1409 if (req.emr_rc != 0) {
1414 if (req.emr_out_length_used < MC_CMD_GET_PHY_CFG_OUT_LEN) {
1419 encp->enc_phy_type = MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_TYPE);
1421 (void) strncpy(encp->enc_phy_name,
1422 MCDI_OUT2(req, char, GET_PHY_CFG_OUT_NAME),
1423 MIN(sizeof (encp->enc_phy_name) - 1,
1424 MC_CMD_GET_PHY_CFG_OUT_NAME_LEN));
1425 #endif /* EFSYS_OPT_NAMES */
1426 (void) memset(encp->enc_phy_revision, 0,
1427 sizeof (encp->enc_phy_revision));
1428 memcpy(encp->enc_phy_revision,
1429 MCDI_OUT2(req, char, GET_PHY_CFG_OUT_REVISION),
1430 MIN(sizeof (encp->enc_phy_revision) - 1,
1431 MC_CMD_GET_PHY_CFG_OUT_REVISION_LEN));
1432 #if EFSYS_OPT_PHY_LED_CONTROL
1433 encp->enc_led_mask = ((1 << EFX_PHY_LED_DEFAULT) |
1434 (1 << EFX_PHY_LED_OFF) |
1435 (1 << EFX_PHY_LED_ON));
1436 #endif /* EFSYS_OPT_PHY_LED_CONTROL */
1438 #if EFSYS_OPT_PHY_PROPS
1439 encp->enc_phy_nprops = 0;
1440 #endif /* EFSYS_OPT_PHY_PROPS */
1442 /* Get the media type of the fixed port, if recognised. */
1443 EFX_STATIC_ASSERT(MC_CMD_MEDIA_XAUI == EFX_PHY_MEDIA_XAUI);
1444 EFX_STATIC_ASSERT(MC_CMD_MEDIA_CX4 == EFX_PHY_MEDIA_CX4);
1445 EFX_STATIC_ASSERT(MC_CMD_MEDIA_KX4 == EFX_PHY_MEDIA_KX4);
1446 EFX_STATIC_ASSERT(MC_CMD_MEDIA_XFP == EFX_PHY_MEDIA_XFP);
1447 EFX_STATIC_ASSERT(MC_CMD_MEDIA_SFP_PLUS == EFX_PHY_MEDIA_SFP_PLUS);
1448 EFX_STATIC_ASSERT(MC_CMD_MEDIA_BASE_T == EFX_PHY_MEDIA_BASE_T);
1449 EFX_STATIC_ASSERT(MC_CMD_MEDIA_QSFP_PLUS == EFX_PHY_MEDIA_QSFP_PLUS);
1450 epp->ep_fixed_port_type =
1451 MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_MEDIA_TYPE);
1452 if (epp->ep_fixed_port_type >= EFX_PHY_MEDIA_NTYPES)
1453 epp->ep_fixed_port_type = EFX_PHY_MEDIA_INVALID;
1455 epp->ep_phy_cap_mask =
1456 MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_SUPPORTED_CAP);
1457 #if EFSYS_OPT_PHY_FLAGS
1458 encp->enc_phy_flags_mask = MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_FLAGS);
1459 #endif /* EFSYS_OPT_PHY_FLAGS */
1461 encp->enc_port = (uint8_t)MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_PRT);
1463 /* Populate internal state */
1464 encp->enc_mcdi_mdio_channel =
1465 (uint8_t)MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_CHANNEL);
1467 #if EFSYS_OPT_PHY_STATS
1468 encp->enc_mcdi_phy_stat_mask =
1469 MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_STATS_MASK);
1470 #endif /* EFSYS_OPT_PHY_STATS */
1473 encp->enc_bist_mask = 0;
1474 if (MCDI_OUT_DWORD_FIELD(req, GET_PHY_CFG_OUT_FLAGS,
1475 GET_PHY_CFG_OUT_BIST_CABLE_SHORT))
1476 encp->enc_bist_mask |= (1 << EFX_BIST_TYPE_PHY_CABLE_SHORT);
1477 if (MCDI_OUT_DWORD_FIELD(req, GET_PHY_CFG_OUT_FLAGS,
1478 GET_PHY_CFG_OUT_BIST_CABLE_LONG))
1479 encp->enc_bist_mask |= (1 << EFX_BIST_TYPE_PHY_CABLE_LONG);
1480 if (MCDI_OUT_DWORD_FIELD(req, GET_PHY_CFG_OUT_FLAGS,
1481 GET_PHY_CFG_OUT_BIST))
1482 encp->enc_bist_mask |= (1 << EFX_BIST_TYPE_PHY_NORMAL);
1483 #endif /* EFSYS_OPT_BIST */
1490 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1495 __checkReturn efx_rc_t
1496 efx_mcdi_firmware_update_supported(
1497 __in efx_nic_t *enp,
1498 __out boolean_t *supportedp)
1500 efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
1503 if (emcop != NULL) {
1504 if ((rc = emcop->emco_feature_supported(enp,
1505 EFX_MCDI_FEATURE_FW_UPDATE, supportedp)) != 0)
1508 /* Earlier devices always supported updates */
1509 *supportedp = B_TRUE;
1515 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1520 __checkReturn efx_rc_t
1521 efx_mcdi_macaddr_change_supported(
1522 __in efx_nic_t *enp,
1523 __out boolean_t *supportedp)
1525 efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
1528 if (emcop != NULL) {
1529 if ((rc = emcop->emco_feature_supported(enp,
1530 EFX_MCDI_FEATURE_MACADDR_CHANGE, supportedp)) != 0)
1533 /* Earlier devices always supported MAC changes */
1534 *supportedp = B_TRUE;
1540 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1545 __checkReturn efx_rc_t
1546 efx_mcdi_link_control_supported(
1547 __in efx_nic_t *enp,
1548 __out boolean_t *supportedp)
1550 efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
1553 if (emcop != NULL) {
1554 if ((rc = emcop->emco_feature_supported(enp,
1555 EFX_MCDI_FEATURE_LINK_CONTROL, supportedp)) != 0)
1558 /* Earlier devices always supported link control */
1559 *supportedp = B_TRUE;
1565 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1570 __checkReturn efx_rc_t
1571 efx_mcdi_mac_spoofing_supported(
1572 __in efx_nic_t *enp,
1573 __out boolean_t *supportedp)
1575 efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
1578 if (emcop != NULL) {
1579 if ((rc = emcop->emco_feature_supported(enp,
1580 EFX_MCDI_FEATURE_MAC_SPOOFING, supportedp)) != 0)
1583 /* Earlier devices always supported MAC spoofing */
1584 *supportedp = B_TRUE;
1590 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1597 #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
1599 * Enter bist offline mode. This is a fw mode which puts the NIC into a state
1600 * where memory BIST tests can be run and not much else can interfere or happen.
1601 * A reboot is required to exit this mode.
1603 __checkReturn efx_rc_t
1604 efx_mcdi_bist_enable_offline(
1605 __in efx_nic_t *enp)
1610 EFX_STATIC_ASSERT(MC_CMD_ENABLE_OFFLINE_BIST_IN_LEN == 0);
1611 EFX_STATIC_ASSERT(MC_CMD_ENABLE_OFFLINE_BIST_OUT_LEN == 0);
1613 req.emr_cmd = MC_CMD_ENABLE_OFFLINE_BIST;
1614 req.emr_in_buf = NULL;
1615 req.emr_in_length = 0;
1616 req.emr_out_buf = NULL;
1617 req.emr_out_length = 0;
1619 efx_mcdi_execute(enp, &req);
1621 if (req.emr_rc != 0) {
1629 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1633 #endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */
1635 __checkReturn efx_rc_t
1636 efx_mcdi_bist_start(
1637 __in efx_nic_t *enp,
1638 __in efx_bist_type_t type)
1641 uint8_t payload[MAX(MC_CMD_START_BIST_IN_LEN,
1642 MC_CMD_START_BIST_OUT_LEN)];
1645 (void) memset(payload, 0, sizeof (payload));
1646 req.emr_cmd = MC_CMD_START_BIST;
1647 req.emr_in_buf = payload;
1648 req.emr_in_length = MC_CMD_START_BIST_IN_LEN;
1649 req.emr_out_buf = payload;
1650 req.emr_out_length = MC_CMD_START_BIST_OUT_LEN;
1653 case EFX_BIST_TYPE_PHY_NORMAL:
1654 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE, MC_CMD_PHY_BIST);
1656 case EFX_BIST_TYPE_PHY_CABLE_SHORT:
1657 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE,
1658 MC_CMD_PHY_BIST_CABLE_SHORT);
1660 case EFX_BIST_TYPE_PHY_CABLE_LONG:
1661 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE,
1662 MC_CMD_PHY_BIST_CABLE_LONG);
1664 case EFX_BIST_TYPE_MC_MEM:
1665 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE,
1666 MC_CMD_MC_MEM_BIST);
1668 case EFX_BIST_TYPE_SAT_MEM:
1669 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE,
1670 MC_CMD_PORT_MEM_BIST);
1672 case EFX_BIST_TYPE_REG:
1673 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE,
1680 efx_mcdi_execute(enp, &req);
1682 if (req.emr_rc != 0) {
1690 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1695 #endif /* EFSYS_OPT_BIST */
1698 /* Enable logging of some events (e.g. link state changes) */
1699 __checkReturn efx_rc_t
1701 __in efx_nic_t *enp)
1704 uint8_t payload[MAX(MC_CMD_LOG_CTRL_IN_LEN,
1705 MC_CMD_LOG_CTRL_OUT_LEN)];
1708 (void) memset(payload, 0, sizeof (payload));
1709 req.emr_cmd = MC_CMD_LOG_CTRL;
1710 req.emr_in_buf = payload;
1711 req.emr_in_length = MC_CMD_LOG_CTRL_IN_LEN;
1712 req.emr_out_buf = payload;
1713 req.emr_out_length = MC_CMD_LOG_CTRL_OUT_LEN;
1715 MCDI_IN_SET_DWORD(req, LOG_CTRL_IN_LOG_DEST,
1716 MC_CMD_LOG_CTRL_IN_LOG_DEST_EVQ);
1717 MCDI_IN_SET_DWORD(req, LOG_CTRL_IN_LOG_DEST_EVQ, 0);
1719 efx_mcdi_execute(enp, &req);
1721 if (req.emr_rc != 0) {
1729 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1735 #if EFSYS_OPT_MAC_STATS
1737 typedef enum efx_stats_action_e
1741 EFX_STATS_ENABLE_NOEVENTS,
1742 EFX_STATS_ENABLE_EVENTS,
1744 } efx_stats_action_t;
1746 static __checkReturn efx_rc_t
1748 __in efx_nic_t *enp,
1749 __in_opt efsys_mem_t *esmp,
1750 __in efx_stats_action_t action)
1753 uint8_t payload[MAX(MC_CMD_MAC_STATS_IN_LEN,
1754 MC_CMD_MAC_STATS_OUT_DMA_LEN)];
1755 int clear = (action == EFX_STATS_CLEAR);
1756 int upload = (action == EFX_STATS_UPLOAD);
1757 int enable = (action == EFX_STATS_ENABLE_NOEVENTS);
1758 int events = (action == EFX_STATS_ENABLE_EVENTS);
1759 int disable = (action == EFX_STATS_DISABLE);
1762 (void) memset(payload, 0, sizeof (payload));
1763 req.emr_cmd = MC_CMD_MAC_STATS;
1764 req.emr_in_buf = payload;
1765 req.emr_in_length = MC_CMD_MAC_STATS_IN_LEN;
1766 req.emr_out_buf = payload;
1767 req.emr_out_length = MC_CMD_MAC_STATS_OUT_DMA_LEN;
1769 MCDI_IN_POPULATE_DWORD_6(req, MAC_STATS_IN_CMD,
1770 MAC_STATS_IN_DMA, upload,
1771 MAC_STATS_IN_CLEAR, clear,
1772 MAC_STATS_IN_PERIODIC_CHANGE, enable | events | disable,
1773 MAC_STATS_IN_PERIODIC_ENABLE, enable | events,
1774 MAC_STATS_IN_PERIODIC_NOEVENT, !events,
1775 MAC_STATS_IN_PERIOD_MS, (enable | events) ? 1000: 0);
1778 int bytes = MC_CMD_MAC_NSTATS * sizeof (uint64_t);
1780 EFX_STATIC_ASSERT(MC_CMD_MAC_NSTATS * sizeof (uint64_t) <=
1781 EFX_MAC_STATS_SIZE);
1783 MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_ADDR_LO,
1784 EFSYS_MEM_ADDR(esmp) & 0xffffffff);
1785 MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_ADDR_HI,
1786 EFSYS_MEM_ADDR(esmp) >> 32);
1787 MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_LEN, bytes);
1789 EFSYS_ASSERT(!upload && !enable && !events);
1793 * NOTE: Do not use EVB_PORT_ID_ASSIGNED when disabling periodic stats,
1794 * as this may fail (and leave periodic DMA enabled) if the
1795 * vadapter has already been deleted.
1797 MCDI_IN_SET_DWORD(req, MAC_STATS_IN_PORT_ID,
1798 (disable ? EVB_PORT_ID_NULL : enp->en_vport_id));
1800 efx_mcdi_execute(enp, &req);
1802 if (req.emr_rc != 0) {
1803 /* EF10: Expect ENOENT if no DMA queues are initialised */
1804 if ((req.emr_rc != ENOENT) ||
1805 (enp->en_rx_qcount + enp->en_tx_qcount != 0)) {
1814 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1819 __checkReturn efx_rc_t
1820 efx_mcdi_mac_stats_clear(
1821 __in efx_nic_t *enp)
1825 if ((rc = efx_mcdi_mac_stats(enp, NULL, EFX_STATS_CLEAR)) != 0)
1831 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1836 __checkReturn efx_rc_t
1837 efx_mcdi_mac_stats_upload(
1838 __in efx_nic_t *enp,
1839 __in efsys_mem_t *esmp)
1844 * The MC DMAs aggregate statistics for our convenience, so we can
1845 * avoid having to pull the statistics buffer into the cache to
1846 * maintain cumulative statistics.
1848 if ((rc = efx_mcdi_mac_stats(enp, esmp, EFX_STATS_UPLOAD)) != 0)
1854 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1859 __checkReturn efx_rc_t
1860 efx_mcdi_mac_stats_periodic(
1861 __in efx_nic_t *enp,
1862 __in efsys_mem_t *esmp,
1863 __in uint16_t period,
1864 __in boolean_t events)
1869 * The MC DMAs aggregate statistics for our convenience, so we can
1870 * avoid having to pull the statistics buffer into the cache to
1871 * maintain cumulative statistics.
1872 * Huntington uses a fixed 1sec period, so use that on Siena too.
1875 rc = efx_mcdi_mac_stats(enp, NULL, EFX_STATS_DISABLE);
1877 rc = efx_mcdi_mac_stats(enp, esmp, EFX_STATS_ENABLE_EVENTS);
1879 rc = efx_mcdi_mac_stats(enp, esmp, EFX_STATS_ENABLE_NOEVENTS);
1887 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1892 #endif /* EFSYS_OPT_MAC_STATS */
1894 #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
1897 * This function returns the pf and vf number of a function. If it is a pf the
1898 * vf number is 0xffff. The vf number is the index of the vf on that
1899 * function. So if you have 3 vfs on pf 0 the 3 vfs will return (pf=0,vf=0),
1900 * (pf=0,vf=1), (pf=0,vf=2) aand the pf will return (pf=0, vf=0xffff).
1902 __checkReturn efx_rc_t
1903 efx_mcdi_get_function_info(
1904 __in efx_nic_t *enp,
1905 __out uint32_t *pfp,
1906 __out_opt uint32_t *vfp)
1909 uint8_t payload[MAX(MC_CMD_GET_FUNCTION_INFO_IN_LEN,
1910 MC_CMD_GET_FUNCTION_INFO_OUT_LEN)];
1913 (void) memset(payload, 0, sizeof (payload));
1914 req.emr_cmd = MC_CMD_GET_FUNCTION_INFO;
1915 req.emr_in_buf = payload;
1916 req.emr_in_length = MC_CMD_GET_FUNCTION_INFO_IN_LEN;
1917 req.emr_out_buf = payload;
1918 req.emr_out_length = MC_CMD_GET_FUNCTION_INFO_OUT_LEN;
1920 efx_mcdi_execute(enp, &req);
1922 if (req.emr_rc != 0) {
1927 if (req.emr_out_length_used < MC_CMD_GET_FUNCTION_INFO_OUT_LEN) {
1932 *pfp = MCDI_OUT_DWORD(req, GET_FUNCTION_INFO_OUT_PF);
1934 *vfp = MCDI_OUT_DWORD(req, GET_FUNCTION_INFO_OUT_VF);
1941 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1946 __checkReturn efx_rc_t
1947 efx_mcdi_privilege_mask(
1948 __in efx_nic_t *enp,
1951 __out uint32_t *maskp)
1954 uint8_t payload[MAX(MC_CMD_PRIVILEGE_MASK_IN_LEN,
1955 MC_CMD_PRIVILEGE_MASK_OUT_LEN)];
1958 (void) memset(payload, 0, sizeof (payload));
1959 req.emr_cmd = MC_CMD_PRIVILEGE_MASK;
1960 req.emr_in_buf = payload;
1961 req.emr_in_length = MC_CMD_PRIVILEGE_MASK_IN_LEN;
1962 req.emr_out_buf = payload;
1963 req.emr_out_length = MC_CMD_PRIVILEGE_MASK_OUT_LEN;
1965 MCDI_IN_POPULATE_DWORD_2(req, PRIVILEGE_MASK_IN_FUNCTION,
1966 PRIVILEGE_MASK_IN_FUNCTION_PF, pf,
1967 PRIVILEGE_MASK_IN_FUNCTION_VF, vf);
1969 efx_mcdi_execute(enp, &req);
1971 if (req.emr_rc != 0) {
1976 if (req.emr_out_length_used < MC_CMD_PRIVILEGE_MASK_OUT_LEN) {
1981 *maskp = MCDI_OUT_DWORD(req, PRIVILEGE_MASK_OUT_OLD_MASK);
1988 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1993 #endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */
1995 __checkReturn efx_rc_t
1996 efx_mcdi_set_workaround(
1997 __in efx_nic_t *enp,
1999 __in boolean_t enabled,
2000 __out_opt uint32_t *flagsp)
2003 uint8_t payload[MAX(MC_CMD_WORKAROUND_IN_LEN,
2004 MC_CMD_WORKAROUND_EXT_OUT_LEN)];
2007 (void) memset(payload, 0, sizeof (payload));
2008 req.emr_cmd = MC_CMD_WORKAROUND;
2009 req.emr_in_buf = payload;
2010 req.emr_in_length = MC_CMD_WORKAROUND_IN_LEN;
2011 req.emr_out_buf = payload;
2012 req.emr_out_length = MC_CMD_WORKAROUND_OUT_LEN;
2014 MCDI_IN_SET_DWORD(req, WORKAROUND_IN_TYPE, type);
2015 MCDI_IN_SET_DWORD(req, WORKAROUND_IN_ENABLED, enabled ? 1 : 0);
2017 efx_mcdi_execute_quiet(enp, &req);
2019 if (req.emr_rc != 0) {
2024 if (flagsp != NULL) {
2025 if (req.emr_out_length_used >= MC_CMD_WORKAROUND_EXT_OUT_LEN)
2026 *flagsp = MCDI_OUT_DWORD(req, WORKAROUND_EXT_OUT_FLAGS);
2034 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2040 __checkReturn efx_rc_t
2041 efx_mcdi_get_workarounds(
2042 __in efx_nic_t *enp,
2043 __out_opt uint32_t *implementedp,
2044 __out_opt uint32_t *enabledp)
2047 uint8_t payload[MC_CMD_GET_WORKAROUNDS_OUT_LEN];
2050 (void) memset(payload, 0, sizeof (payload));
2051 req.emr_cmd = MC_CMD_GET_WORKAROUNDS;
2052 req.emr_in_buf = NULL;
2053 req.emr_in_length = 0;
2054 req.emr_out_buf = payload;
2055 req.emr_out_length = MC_CMD_GET_WORKAROUNDS_OUT_LEN;
2057 efx_mcdi_execute(enp, &req);
2059 if (req.emr_rc != 0) {
2064 if (implementedp != NULL) {
2066 MCDI_OUT_DWORD(req, GET_WORKAROUNDS_OUT_IMPLEMENTED);
2069 if (enabledp != NULL) {
2070 *enabledp = MCDI_OUT_DWORD(req, GET_WORKAROUNDS_OUT_ENABLED);
2076 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2082 * Size of media information page in accordance with SFF-8472 and SFF-8436.
2083 * It is used in MCDI interface as well.
2085 #define EFX_PHY_MEDIA_INFO_PAGE_SIZE 0x80
2087 static __checkReturn efx_rc_t
2088 efx_mcdi_get_phy_media_info(
2089 __in efx_nic_t *enp,
2090 __in uint32_t mcdi_page,
2091 __in uint8_t offset,
2093 __out_bcount(len) uint8_t *data)
2096 uint8_t payload[MAX(MC_CMD_GET_PHY_MEDIA_INFO_IN_LEN,
2097 MC_CMD_GET_PHY_MEDIA_INFO_OUT_LEN(
2098 EFX_PHY_MEDIA_INFO_PAGE_SIZE))];
2101 EFSYS_ASSERT((uint32_t)offset + len <= EFX_PHY_MEDIA_INFO_PAGE_SIZE);
2103 (void) memset(payload, 0, sizeof (payload));
2104 req.emr_cmd = MC_CMD_GET_PHY_MEDIA_INFO;
2105 req.emr_in_buf = payload;
2106 req.emr_in_length = MC_CMD_GET_PHY_MEDIA_INFO_IN_LEN;
2107 req.emr_out_buf = payload;
2108 req.emr_out_length =
2109 MC_CMD_GET_PHY_MEDIA_INFO_OUT_LEN(EFX_PHY_MEDIA_INFO_PAGE_SIZE);
2111 MCDI_IN_SET_DWORD(req, GET_PHY_MEDIA_INFO_IN_PAGE, mcdi_page);
2113 efx_mcdi_execute(enp, &req);
2115 if (req.emr_rc != 0) {
2120 if (req.emr_out_length_used !=
2121 MC_CMD_GET_PHY_MEDIA_INFO_OUT_LEN(EFX_PHY_MEDIA_INFO_PAGE_SIZE)) {
2126 if (MCDI_OUT_DWORD(req, GET_PHY_MEDIA_INFO_OUT_DATALEN) !=
2127 EFX_PHY_MEDIA_INFO_PAGE_SIZE) {
2133 MCDI_OUT2(req, uint8_t, GET_PHY_MEDIA_INFO_OUT_DATA) + offset,
2143 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2149 * 2-wire device address of the base information in accordance with SFF-8472
2150 * Diagnostic Monitoring Interface for Optical Transceivers section
2151 * 4 Memory Organization.
2153 #define EFX_PHY_MEDIA_INFO_DEV_ADDR_SFP_BASE 0xA0
2156 * 2-wire device address of the digital diagnostics monitoring interface
2157 * in accordance with SFF-8472 Diagnostic Monitoring Interface for Optical
2158 * Transceivers section 4 Memory Organization.
2160 #define EFX_PHY_MEDIA_INFO_DEV_ADDR_SFP_DDM 0xA2
2163 * Hard wired 2-wire device address for QSFP+ in accordance with SFF-8436
2164 * QSFP+ 10 Gbs 4X PLUGGABLE TRANSCEIVER section 7.4 Device Addressing and
2167 #define EFX_PHY_MEDIA_INFO_DEV_ADDR_QSFP 0xA0
2169 __checkReturn efx_rc_t
2170 efx_mcdi_phy_module_get_info(
2171 __in efx_nic_t *enp,
2172 __in uint8_t dev_addr,
2173 __in uint8_t offset,
2175 __out_bcount(len) uint8_t *data)
2177 efx_port_t *epp = &(enp->en_port);
2179 uint32_t mcdi_lower_page;
2180 uint32_t mcdi_upper_page;
2182 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
2185 * Map device address to MC_CMD_GET_PHY_MEDIA_INFO pages.
2186 * Offset plus length interface allows to access page 0 only.
2187 * I.e. non-zero upper pages are not accessible.
2188 * See SFF-8472 section 4 Memory Organization and SFF-8436 section 7.6
2189 * QSFP+ Memory Map for details on how information is structured
2192 switch (epp->ep_fixed_port_type) {
2193 case EFX_PHY_MEDIA_SFP_PLUS:
2195 * In accordance with SFF-8472 Diagnostic Monitoring
2196 * Interface for Optical Transceivers section 4 Memory
2197 * Organization two 2-wire addresses are defined.
2200 /* Base information */
2201 case EFX_PHY_MEDIA_INFO_DEV_ADDR_SFP_BASE:
2203 * MCDI page 0 should be used to access lower
2204 * page 0 (0x00 - 0x7f) at the device address 0xA0.
2206 mcdi_lower_page = 0;
2208 * MCDI page 1 should be used to access upper
2209 * page 0 (0x80 - 0xff) at the device address 0xA0.
2211 mcdi_upper_page = 1;
2214 case EFX_PHY_MEDIA_INFO_DEV_ADDR_SFP_DDM:
2216 * MCDI page 2 should be used to access lower
2217 * page 0 (0x00 - 0x7f) at the device address 0xA2.
2219 mcdi_lower_page = 2;
2221 * MCDI page 3 should be used to access upper
2222 * page 0 (0x80 - 0xff) at the device address 0xA2.
2224 mcdi_upper_page = 3;
2231 case EFX_PHY_MEDIA_QSFP_PLUS:
2233 case EFX_PHY_MEDIA_INFO_DEV_ADDR_QSFP:
2235 * MCDI page -1 should be used to access lower page 0
2238 mcdi_lower_page = (uint32_t)-1;
2240 * MCDI page 0 should be used to access upper page 0
2243 mcdi_upper_page = 0;
2255 if (offset < EFX_PHY_MEDIA_INFO_PAGE_SIZE) {
2257 MIN(len, EFX_PHY_MEDIA_INFO_PAGE_SIZE - offset);
2259 rc = efx_mcdi_get_phy_media_info(enp,
2260 mcdi_lower_page, offset, read_len, data);
2269 offset -= EFX_PHY_MEDIA_INFO_PAGE_SIZE;
2273 EFSYS_ASSERT3U(len, <=, EFX_PHY_MEDIA_INFO_PAGE_SIZE);
2274 EFSYS_ASSERT3U(offset, <, EFX_PHY_MEDIA_INFO_PAGE_SIZE);
2276 rc = efx_mcdi_get_phy_media_info(enp,
2277 mcdi_upper_page, offset, len, data);
2289 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2294 #endif /* EFSYS_OPT_MCDI */