1 /* SPDX-License-Identifier: BSD-3-Clause
3 * Copyright (c) 2008-2018 Solarflare Communications Inc.
13 * There are three versions of the MCDI interface:
14 * - MCDIv0: Siena BootROM. Transport uses MCDIv1 headers.
15 * - MCDIv1: Siena firmware and Huntington BootROM.
16 * - MCDIv2: EF10 firmware (Huntington/Medford) and Medford BootROM.
17 * Transport uses MCDIv2 headers.
19 * MCDIv2 Header NOT_EPOCH flag
20 * ----------------------------
21 * A new epoch begins at initial startup or after an MC reboot, and defines when
22 * the MC should reject stale MCDI requests.
24 * The first MCDI request sent by the host should contain NOT_EPOCH=0, and all
25 * subsequent requests (until the next MC reboot) should contain NOT_EPOCH=1.
27 * After rebooting the MC will fail all requests with NOT_EPOCH=1 by writing a
28 * response with ERROR=1 and DATALEN=0 until a request is seen with NOT_EPOCH=0.
35 static const efx_mcdi_ops_t __efx_mcdi_siena_ops = {
36 siena_mcdi_init, /* emco_init */
37 siena_mcdi_send_request, /* emco_send_request */
38 siena_mcdi_poll_reboot, /* emco_poll_reboot */
39 siena_mcdi_poll_response, /* emco_poll_response */
40 siena_mcdi_read_response, /* emco_read_response */
41 siena_mcdi_fini, /* emco_fini */
42 siena_mcdi_feature_supported, /* emco_feature_supported */
43 siena_mcdi_get_timeout, /* emco_get_timeout */
46 #endif /* EFSYS_OPT_SIENA */
50 static const efx_mcdi_ops_t __efx_mcdi_ef10_ops = {
51 ef10_mcdi_init, /* emco_init */
52 ef10_mcdi_send_request, /* emco_send_request */
53 ef10_mcdi_poll_reboot, /* emco_poll_reboot */
54 ef10_mcdi_poll_response, /* emco_poll_response */
55 ef10_mcdi_read_response, /* emco_read_response */
56 ef10_mcdi_fini, /* emco_fini */
57 ef10_mcdi_feature_supported, /* emco_feature_supported */
58 ef10_mcdi_get_timeout, /* emco_get_timeout */
61 #endif /* EFX_OPTS_EF10() */
65 __checkReturn efx_rc_t
68 __in const efx_mcdi_transport_t *emtp)
70 const efx_mcdi_ops_t *emcop;
73 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
74 EFSYS_ASSERT3U(enp->en_mod_flags, ==, 0);
76 switch (enp->en_family) {
78 case EFX_FAMILY_SIENA:
79 emcop = &__efx_mcdi_siena_ops;
81 #endif /* EFSYS_OPT_SIENA */
83 #if EFSYS_OPT_HUNTINGTON
84 case EFX_FAMILY_HUNTINGTON:
85 emcop = &__efx_mcdi_ef10_ops;
87 #endif /* EFSYS_OPT_HUNTINGTON */
90 case EFX_FAMILY_MEDFORD:
91 emcop = &__efx_mcdi_ef10_ops;
93 #endif /* EFSYS_OPT_MEDFORD */
95 #if EFSYS_OPT_MEDFORD2
96 case EFX_FAMILY_MEDFORD2:
97 emcop = &__efx_mcdi_ef10_ops;
99 #endif /* EFSYS_OPT_MEDFORD2 */
107 if (enp->en_features & EFX_FEATURE_MCDI_DMA) {
108 /* MCDI requires a DMA buffer in host memory */
109 if ((emtp == NULL) || (emtp->emt_dma_mem) == NULL) {
114 enp->en_mcdi.em_emtp = emtp;
116 if (emcop != NULL && emcop->emco_init != NULL) {
117 if ((rc = emcop->emco_init(enp, emtp)) != 0)
121 enp->en_mcdi.em_emcop = emcop;
122 enp->en_mod_flags |= EFX_MOD_MCDI;
131 EFSYS_PROBE1(fail1, efx_rc_t, rc);
133 enp->en_mcdi.em_emcop = NULL;
134 enp->en_mcdi.em_emtp = NULL;
135 enp->en_mod_flags &= ~EFX_MOD_MCDI;
144 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
145 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
147 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
148 EFSYS_ASSERT3U(enp->en_mod_flags, ==, EFX_MOD_MCDI);
150 if (emcop != NULL && emcop->emco_fini != NULL)
151 emcop->emco_fini(enp);
154 emip->emi_aborted = 0;
156 enp->en_mcdi.em_emcop = NULL;
157 enp->en_mod_flags &= ~EFX_MOD_MCDI;
164 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
165 efsys_lock_state_t state;
167 /* Start a new epoch (allow fresh MCDI requests to succeed) */
168 EFSYS_LOCK(enp->en_eslp, state);
169 emip->emi_new_epoch = B_TRUE;
170 EFSYS_UNLOCK(enp->en_eslp, state);
174 efx_mcdi_send_request(
181 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
183 emcop->emco_send_request(enp, hdrp, hdr_len, sdup, sdu_len);
187 efx_mcdi_poll_reboot(
190 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
193 rc = emcop->emco_poll_reboot(enp);
198 efx_mcdi_poll_response(
201 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
204 available = emcop->emco_poll_response(enp);
209 efx_mcdi_read_response(
215 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
217 emcop->emco_read_response(enp, bufferp, offset, length);
221 efx_mcdi_request_start(
223 __in efx_mcdi_req_t *emrp,
224 __in boolean_t ev_cpl)
226 #if EFSYS_OPT_MCDI_LOGGING
227 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
229 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
232 unsigned int max_version;
236 efsys_lock_state_t state;
238 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
239 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
240 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
243 * efx_mcdi_request_start() is naturally serialised against both
244 * efx_mcdi_request_poll() and efx_mcdi_ev_cpl()/efx_mcdi_ev_death(),
245 * by virtue of there only being one outstanding MCDI request.
246 * Unfortunately, upper layers may also call efx_mcdi_request_abort()
247 * at any time, to timeout a pending mcdi request, That request may
248 * then subsequently complete, meaning efx_mcdi_ev_cpl() or
249 * efx_mcdi_ev_death() may end up running in parallel with
250 * efx_mcdi_request_start(). This race is handled by ensuring that
251 * %emi_pending_req, %emi_ev_cpl and %emi_seq are protected by the
254 EFSYS_LOCK(enp->en_eslp, state);
255 EFSYS_ASSERT(emip->emi_pending_req == NULL);
256 emip->emi_pending_req = emrp;
257 emip->emi_ev_cpl = ev_cpl;
258 emip->emi_poll_cnt = 0;
259 seq = emip->emi_seq++ & EFX_MASK32(MCDI_HEADER_SEQ);
260 new_epoch = emip->emi_new_epoch;
261 max_version = emip->emi_max_version;
262 EFSYS_UNLOCK(enp->en_eslp, state);
266 xflags |= MCDI_HEADER_XFLAGS_EVREQ;
269 * Huntington firmware supports MCDIv2, but the Huntington BootROM only
270 * supports MCDIv1. Use MCDIv1 headers for MCDIv1 commands where
271 * possible to support this.
273 if ((max_version >= 2) &&
274 ((emrp->emr_cmd > MC_CMD_CMD_SPACE_ESCAPE_7) ||
275 (emrp->emr_in_length > MCDI_CTL_SDU_LEN_MAX_V1) ||
276 (emrp->emr_out_length > MCDI_CTL_SDU_LEN_MAX_V1))) {
277 /* Construct MCDI v2 header */
278 hdr_len = sizeof (hdr);
279 EFX_POPULATE_DWORD_8(hdr[0],
280 MCDI_HEADER_CODE, MC_CMD_V2_EXTN,
281 MCDI_HEADER_RESYNC, 1,
282 MCDI_HEADER_DATALEN, 0,
283 MCDI_HEADER_SEQ, seq,
284 MCDI_HEADER_NOT_EPOCH, new_epoch ? 0 : 1,
285 MCDI_HEADER_ERROR, 0,
286 MCDI_HEADER_RESPONSE, 0,
287 MCDI_HEADER_XFLAGS, xflags);
289 EFX_POPULATE_DWORD_2(hdr[1],
290 MC_CMD_V2_EXTN_IN_EXTENDED_CMD, emrp->emr_cmd,
291 MC_CMD_V2_EXTN_IN_ACTUAL_LEN, emrp->emr_in_length);
293 /* Construct MCDI v1 header */
294 hdr_len = sizeof (hdr[0]);
295 EFX_POPULATE_DWORD_8(hdr[0],
296 MCDI_HEADER_CODE, emrp->emr_cmd,
297 MCDI_HEADER_RESYNC, 1,
298 MCDI_HEADER_DATALEN, emrp->emr_in_length,
299 MCDI_HEADER_SEQ, seq,
300 MCDI_HEADER_NOT_EPOCH, new_epoch ? 0 : 1,
301 MCDI_HEADER_ERROR, 0,
302 MCDI_HEADER_RESPONSE, 0,
303 MCDI_HEADER_XFLAGS, xflags);
306 #if EFSYS_OPT_MCDI_LOGGING
307 if (emtp->emt_logger != NULL) {
308 emtp->emt_logger(emtp->emt_context, EFX_LOG_MCDI_REQUEST,
310 emrp->emr_in_buf, emrp->emr_in_length);
312 #endif /* EFSYS_OPT_MCDI_LOGGING */
314 efx_mcdi_send_request(enp, &hdr[0], hdr_len,
315 emrp->emr_in_buf, emrp->emr_in_length);
320 efx_mcdi_read_response_header(
322 __inout efx_mcdi_req_t *emrp)
324 #if EFSYS_OPT_MCDI_LOGGING
325 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
326 #endif /* EFSYS_OPT_MCDI_LOGGING */
327 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
329 unsigned int hdr_len;
330 unsigned int data_len;
336 EFSYS_ASSERT(emrp != NULL);
338 efx_mcdi_read_response(enp, &hdr[0], 0, sizeof (hdr[0]));
339 hdr_len = sizeof (hdr[0]);
341 cmd = EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_CODE);
342 seq = EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_SEQ);
343 error = EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_ERROR);
345 if (cmd != MC_CMD_V2_EXTN) {
346 data_len = EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_DATALEN);
348 efx_mcdi_read_response(enp, &hdr[1], hdr_len, sizeof (hdr[1]));
349 hdr_len += sizeof (hdr[1]);
351 cmd = EFX_DWORD_FIELD(hdr[1], MC_CMD_V2_EXTN_IN_EXTENDED_CMD);
353 EFX_DWORD_FIELD(hdr[1], MC_CMD_V2_EXTN_IN_ACTUAL_LEN);
356 if (error && (data_len == 0)) {
357 /* The MC has rebooted since the request was sent. */
358 EFSYS_SPIN(EFX_MCDI_STATUS_SLEEP_US);
359 efx_mcdi_poll_reboot(enp);
363 if ((cmd != emrp->emr_cmd) ||
364 (seq != ((emip->emi_seq - 1) & EFX_MASK32(MCDI_HEADER_SEQ)))) {
365 /* Response is for a different request */
371 unsigned int err_len = MIN(data_len, sizeof (err));
372 int err_code = MC_CMD_ERR_EPROTO;
375 /* Read error code (and arg num for MCDI v2 commands) */
376 efx_mcdi_read_response(enp, &err, hdr_len, err_len);
378 if (err_len >= (MC_CMD_ERR_CODE_OFST + sizeof (efx_dword_t)))
379 err_code = EFX_DWORD_FIELD(err[0], EFX_DWORD_0);
381 if (err_len >= (MC_CMD_ERR_ARG_OFST + sizeof (efx_dword_t)))
382 err_arg = EFX_DWORD_FIELD(err[1], EFX_DWORD_0);
384 emrp->emr_err_code = err_code;
385 emrp->emr_err_arg = err_arg;
387 #if EFSYS_OPT_MCDI_PROXY_AUTH
388 if ((err_code == MC_CMD_ERR_PROXY_PENDING) &&
389 (err_len == sizeof (err))) {
391 * The MCDI request would normally fail with EPERM, but
392 * firmware has forwarded it to an authorization agent
393 * attached to a privileged PF.
395 * Save the authorization request handle. The client
396 * must wait for a PROXY_RESPONSE event, or timeout.
398 emrp->emr_proxy_handle = err_arg;
400 #endif /* EFSYS_OPT_MCDI_PROXY_AUTH */
402 #if EFSYS_OPT_MCDI_LOGGING
403 if (emtp->emt_logger != NULL) {
404 emtp->emt_logger(emtp->emt_context,
405 EFX_LOG_MCDI_RESPONSE,
409 #endif /* EFSYS_OPT_MCDI_LOGGING */
411 if (!emrp->emr_quiet) {
412 EFSYS_PROBE3(mcdi_err_arg, int, emrp->emr_cmd,
413 int, err_code, int, err_arg);
416 rc = efx_mcdi_request_errcode(err_code);
421 emrp->emr_out_length_used = data_len;
422 #if EFSYS_OPT_MCDI_PROXY_AUTH
423 emrp->emr_proxy_handle = 0;
424 #endif /* EFSYS_OPT_MCDI_PROXY_AUTH */
431 emrp->emr_out_length_used = 0;
435 efx_mcdi_finish_response(
437 __in efx_mcdi_req_t *emrp)
439 #if EFSYS_OPT_MCDI_LOGGING
440 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
441 #endif /* EFSYS_OPT_MCDI_LOGGING */
443 unsigned int hdr_len;
446 if (emrp->emr_out_buf == NULL)
449 /* Read the command header to detect MCDI response format */
450 hdr_len = sizeof (hdr[0]);
451 efx_mcdi_read_response(enp, &hdr[0], 0, hdr_len);
452 if (EFX_DWORD_FIELD(hdr[0], MCDI_HEADER_CODE) == MC_CMD_V2_EXTN) {
454 * Read the actual payload length. The length given in the event
455 * is only correct for responses with the V1 format.
457 efx_mcdi_read_response(enp, &hdr[1], hdr_len, sizeof (hdr[1]));
458 hdr_len += sizeof (hdr[1]);
460 emrp->emr_out_length_used = EFX_DWORD_FIELD(hdr[1],
461 MC_CMD_V2_EXTN_IN_ACTUAL_LEN);
464 /* Copy payload out into caller supplied buffer */
465 bytes = MIN(emrp->emr_out_length_used, emrp->emr_out_length);
466 efx_mcdi_read_response(enp, emrp->emr_out_buf, hdr_len, bytes);
468 #if EFSYS_OPT_MCDI_LOGGING
469 if (emtp->emt_logger != NULL) {
470 emtp->emt_logger(emtp->emt_context,
471 EFX_LOG_MCDI_RESPONSE,
473 emrp->emr_out_buf, bytes);
475 #endif /* EFSYS_OPT_MCDI_LOGGING */
479 __checkReturn boolean_t
480 efx_mcdi_request_poll(
483 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
484 efx_mcdi_req_t *emrp;
485 efsys_lock_state_t state;
488 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
489 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
490 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
492 /* Serialise against post-watchdog efx_mcdi_ev* */
493 EFSYS_LOCK(enp->en_eslp, state);
495 EFSYS_ASSERT(emip->emi_pending_req != NULL);
496 EFSYS_ASSERT(!emip->emi_ev_cpl);
497 emrp = emip->emi_pending_req;
499 /* Check if hardware is unavailable */
500 if (efx_nic_hw_unavailable(enp)) {
501 EFSYS_UNLOCK(enp->en_eslp, state);
505 /* Check for reboot atomically w.r.t efx_mcdi_request_start */
506 if (emip->emi_poll_cnt++ == 0) {
507 if ((rc = efx_mcdi_poll_reboot(enp)) != 0) {
508 emip->emi_pending_req = NULL;
509 EFSYS_UNLOCK(enp->en_eslp, state);
511 /* Reboot/Assertion */
512 if (rc == EIO || rc == EINTR)
513 efx_mcdi_raise_exception(enp, emrp, rc);
519 /* Check if a response is available */
520 if (efx_mcdi_poll_response(enp) == B_FALSE) {
521 EFSYS_UNLOCK(enp->en_eslp, state);
525 /* Read the response header */
526 efx_mcdi_read_response_header(enp, emrp);
528 /* Request complete */
529 emip->emi_pending_req = NULL;
531 /* Ensure stale MCDI requests fail after an MC reboot. */
532 emip->emi_new_epoch = B_FALSE;
534 EFSYS_UNLOCK(enp->en_eslp, state);
536 if ((rc = emrp->emr_rc) != 0)
539 efx_mcdi_finish_response(enp, emrp);
543 if (!emrp->emr_quiet)
546 if (!emrp->emr_quiet)
547 EFSYS_PROBE1(fail1, efx_rc_t, rc);
552 __checkReturn boolean_t
553 efx_mcdi_request_abort(
556 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
557 efx_mcdi_req_t *emrp;
559 efsys_lock_state_t state;
561 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
562 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
563 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
566 * efx_mcdi_ev_* may have already completed this event, and be
567 * spinning/blocked on the upper layer lock. So it *is* legitimate
568 * to for emi_pending_req to be NULL. If there is a pending event
569 * completed request, then provide a "credit" to allow
570 * efx_mcdi_ev_cpl() to accept a single spurious completion.
572 EFSYS_LOCK(enp->en_eslp, state);
573 emrp = emip->emi_pending_req;
574 aborted = (emrp != NULL);
576 emip->emi_pending_req = NULL;
578 /* Error the request */
579 emrp->emr_out_length_used = 0;
580 emrp->emr_rc = ETIMEDOUT;
582 /* Provide a credit for seqno/emr_pending_req mismatches */
583 if (emip->emi_ev_cpl)
587 * The upper layer has called us, so we don't
588 * need to complete the request.
591 EFSYS_UNLOCK(enp->en_eslp, state);
597 efx_mcdi_get_timeout(
599 __in efx_mcdi_req_t *emrp,
600 __out uint32_t *timeoutp)
602 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
604 emcop->emco_get_timeout(enp, emrp, timeoutp);
607 __checkReturn efx_rc_t
608 efx_mcdi_request_errcode(
609 __in unsigned int err)
614 case MC_CMD_ERR_EPERM:
616 case MC_CMD_ERR_ENOENT:
618 case MC_CMD_ERR_EINTR:
620 case MC_CMD_ERR_EACCES:
622 case MC_CMD_ERR_EBUSY:
624 case MC_CMD_ERR_EINVAL:
626 case MC_CMD_ERR_EDEADLK:
628 case MC_CMD_ERR_ENOSYS:
630 case MC_CMD_ERR_ETIME:
632 case MC_CMD_ERR_ENOTSUP:
634 case MC_CMD_ERR_EALREADY:
638 case MC_CMD_ERR_EEXIST:
640 #ifdef MC_CMD_ERR_EAGAIN
641 case MC_CMD_ERR_EAGAIN:
644 #ifdef MC_CMD_ERR_ENOSPC
645 case MC_CMD_ERR_ENOSPC:
648 case MC_CMD_ERR_ERANGE:
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;
745 efsys_lock_state_t state;
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;
784 if (emrp->emr_rc == 0)
785 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)
800 _NOTE(ARGUNUSED(enp))
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 */
848 #if EFSYS_OPT_MCDI_PROXY_AUTH_SERVER
850 efx_mcdi_ev_proxy_request(
852 __in unsigned int index)
854 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
856 if (emtp->emt_ev_proxy_request != NULL)
857 emtp->emt_ev_proxy_request(emtp->emt_context, index);
859 #endif /* EFSYS_OPT_MCDI_PROXY_AUTH_SERVER */
865 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
866 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
867 efx_mcdi_req_t *emrp = NULL;
869 efsys_lock_state_t state;
872 * The MCDI request (if there is one) has been terminated, either
873 * by a BADASSERT or REBOOT event.
875 * If there is an outstanding event-completed MCDI operation, then we
876 * will never receive the completion event (because both MCDI
877 * completions and BADASSERT events are sent to the same evq). So
878 * complete this MCDI op.
880 * This function might run in parallel with efx_mcdi_request_poll()
881 * for poll completed mcdi requests, and also with
882 * efx_mcdi_request_start() for post-watchdog completions.
884 EFSYS_LOCK(enp->en_eslp, state);
885 emrp = emip->emi_pending_req;
886 ev_cpl = emip->emi_ev_cpl;
887 if (emrp != NULL && emip->emi_ev_cpl) {
888 emip->emi_pending_req = NULL;
890 emrp->emr_out_length_used = 0;
896 * Since we're running in parallel with a request, consume the
897 * status word before dropping the lock.
899 if (rc == EIO || rc == EINTR) {
900 EFSYS_SPIN(EFX_MCDI_STATUS_SLEEP_US);
901 (void) efx_mcdi_poll_reboot(enp);
902 emip->emi_new_epoch = B_TRUE;
905 EFSYS_UNLOCK(enp->en_eslp, state);
907 efx_mcdi_raise_exception(enp, emrp, rc);
909 if (emrp != NULL && ev_cpl)
910 emtp->emt_ev_cpl(emtp->emt_context);
913 __checkReturn efx_rc_t
916 __out_ecount_opt(4) uint16_t versionp[4],
917 __out_opt uint32_t *buildp,
918 __out_opt efx_mcdi_boot_t *statusp)
921 EFX_MCDI_DECLARE_BUF(payload,
922 MAX(MC_CMD_GET_VERSION_IN_LEN, MC_CMD_GET_BOOT_STATUS_IN_LEN),
923 MAX(MC_CMD_GET_VERSION_OUT_LEN,
924 MC_CMD_GET_BOOT_STATUS_OUT_LEN));
925 efx_word_t *ver_words;
928 efx_mcdi_boot_t status;
931 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
933 req.emr_cmd = MC_CMD_GET_VERSION;
934 req.emr_in_buf = payload;
935 req.emr_in_length = MC_CMD_GET_VERSION_IN_LEN;
936 req.emr_out_buf = payload;
937 req.emr_out_length = MC_CMD_GET_VERSION_OUT_LEN;
939 efx_mcdi_execute(enp, &req);
941 if (req.emr_rc != 0) {
946 /* bootrom support */
947 if (req.emr_out_length_used == MC_CMD_GET_VERSION_V0_OUT_LEN) {
948 version[0] = version[1] = version[2] = version[3] = 0;
949 build = MCDI_OUT_DWORD(req, GET_VERSION_OUT_FIRMWARE);
954 if (req.emr_out_length_used < MC_CMD_GET_VERSION_OUT_LEN) {
959 ver_words = MCDI_OUT2(req, efx_word_t, GET_VERSION_OUT_VERSION);
960 version[0] = EFX_WORD_FIELD(ver_words[0], EFX_WORD_0);
961 version[1] = EFX_WORD_FIELD(ver_words[1], EFX_WORD_0);
962 version[2] = EFX_WORD_FIELD(ver_words[2], EFX_WORD_0);
963 version[3] = EFX_WORD_FIELD(ver_words[3], EFX_WORD_0);
964 build = MCDI_OUT_DWORD(req, GET_VERSION_OUT_FIRMWARE);
967 /* The bootrom doesn't understand BOOT_STATUS */
968 if (MC_FW_VERSION_IS_BOOTLOADER(build)) {
969 status = EFX_MCDI_BOOT_ROM;
973 (void) memset(payload, 0, sizeof (payload));
974 req.emr_cmd = MC_CMD_GET_BOOT_STATUS;
975 req.emr_in_buf = payload;
976 req.emr_in_length = MC_CMD_GET_BOOT_STATUS_IN_LEN;
977 req.emr_out_buf = payload;
978 req.emr_out_length = MC_CMD_GET_BOOT_STATUS_OUT_LEN;
980 efx_mcdi_execute_quiet(enp, &req);
982 if (req.emr_rc == EACCES) {
983 /* Unprivileged functions cannot access BOOT_STATUS */
984 status = EFX_MCDI_BOOT_PRIMARY;
985 version[0] = version[1] = version[2] = version[3] = 0;
990 if (req.emr_rc != 0) {
995 if (req.emr_out_length_used < MC_CMD_GET_BOOT_STATUS_OUT_LEN) {
1000 if (MCDI_OUT_DWORD_FIELD(req, GET_BOOT_STATUS_OUT_FLAGS,
1001 GET_BOOT_STATUS_OUT_FLAGS_PRIMARY))
1002 status = EFX_MCDI_BOOT_PRIMARY;
1004 status = EFX_MCDI_BOOT_SECONDARY;
1007 if (versionp != NULL)
1008 memcpy(versionp, version, sizeof (version));
1011 if (statusp != NULL)
1023 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1028 __checkReturn efx_rc_t
1029 efx_mcdi_get_capabilities(
1030 __in efx_nic_t *enp,
1031 __out_opt uint32_t *flagsp,
1032 __out_opt uint16_t *rx_dpcpu_fw_idp,
1033 __out_opt uint16_t *tx_dpcpu_fw_idp,
1034 __out_opt uint32_t *flags2p,
1035 __out_opt uint32_t *tso2ncp)
1038 EFX_MCDI_DECLARE_BUF(payload, MC_CMD_GET_CAPABILITIES_IN_LEN,
1039 MC_CMD_GET_CAPABILITIES_V2_OUT_LEN);
1040 boolean_t v2_capable;
1043 req.emr_cmd = MC_CMD_GET_CAPABILITIES;
1044 req.emr_in_buf = payload;
1045 req.emr_in_length = MC_CMD_GET_CAPABILITIES_IN_LEN;
1046 req.emr_out_buf = payload;
1047 req.emr_out_length = MC_CMD_GET_CAPABILITIES_V2_OUT_LEN;
1049 efx_mcdi_execute_quiet(enp, &req);
1051 if (req.emr_rc != 0) {
1056 if (req.emr_out_length_used < MC_CMD_GET_CAPABILITIES_OUT_LEN) {
1062 *flagsp = MCDI_OUT_DWORD(req, GET_CAPABILITIES_OUT_FLAGS1);
1064 if (rx_dpcpu_fw_idp != NULL)
1065 *rx_dpcpu_fw_idp = MCDI_OUT_WORD(req,
1066 GET_CAPABILITIES_OUT_RX_DPCPU_FW_ID);
1068 if (tx_dpcpu_fw_idp != NULL)
1069 *tx_dpcpu_fw_idp = MCDI_OUT_WORD(req,
1070 GET_CAPABILITIES_OUT_TX_DPCPU_FW_ID);
1072 if (req.emr_out_length_used < MC_CMD_GET_CAPABILITIES_V2_OUT_LEN)
1073 v2_capable = B_FALSE;
1075 v2_capable = B_TRUE;
1077 if (flags2p != NULL) {
1078 *flags2p = (v2_capable) ?
1079 MCDI_OUT_DWORD(req, GET_CAPABILITIES_V2_OUT_FLAGS2) :
1083 if (tso2ncp != NULL) {
1084 *tso2ncp = (v2_capable) ?
1086 GET_CAPABILITIES_V2_OUT_TX_TSO_V2_N_CONTEXTS) :
1095 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1100 static __checkReturn efx_rc_t
1102 __in efx_nic_t *enp,
1103 __in boolean_t after_assertion)
1105 EFX_MCDI_DECLARE_BUF(payload, MC_CMD_REBOOT_IN_LEN,
1106 MC_CMD_REBOOT_OUT_LEN);
1111 * We could require the caller to have caused en_mod_flags=0 to
1112 * call this function. This doesn't help the other port though,
1113 * who's about to get the MC ripped out from underneath them.
1114 * Since they have to cope with the subsequent fallout of MCDI
1115 * failures, we should as well.
1117 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
1119 req.emr_cmd = MC_CMD_REBOOT;
1120 req.emr_in_buf = payload;
1121 req.emr_in_length = MC_CMD_REBOOT_IN_LEN;
1122 req.emr_out_buf = payload;
1123 req.emr_out_length = MC_CMD_REBOOT_OUT_LEN;
1125 MCDI_IN_SET_DWORD(req, REBOOT_IN_FLAGS,
1126 (after_assertion ? MC_CMD_REBOOT_FLAGS_AFTER_ASSERTION : 0));
1128 efx_mcdi_execute_quiet(enp, &req);
1130 if (req.emr_rc == EACCES) {
1131 /* Unprivileged functions cannot reboot the MC. */
1135 /* A successful reboot request returns EIO. */
1136 if (req.emr_rc != 0 && req.emr_rc != EIO) {
1145 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1150 __checkReturn efx_rc_t
1152 __in efx_nic_t *enp)
1154 return (efx_mcdi_do_reboot(enp, B_FALSE));
1157 __checkReturn efx_rc_t
1158 efx_mcdi_exit_assertion_handler(
1159 __in efx_nic_t *enp)
1161 return (efx_mcdi_do_reboot(enp, B_TRUE));
1164 __checkReturn efx_rc_t
1165 efx_mcdi_read_assertion(
1166 __in efx_nic_t *enp)
1169 EFX_MCDI_DECLARE_BUF(payload, MC_CMD_GET_ASSERTS_IN_LEN,
1170 MC_CMD_GET_ASSERTS_OUT_LEN);
1179 * Before we attempt to chat to the MC, we should verify that the MC
1180 * isn't in it's assertion handler, either due to a previous reboot,
1181 * or because we're reinitializing due to an eec_exception().
1183 * Use GET_ASSERTS to read any assertion state that may be present.
1184 * Retry this command twice. Once because a boot-time assertion failure
1185 * might cause the 1st MCDI request to fail. And once again because
1186 * we might race with efx_mcdi_exit_assertion_handler() running on
1187 * partner port(s) on the same NIC.
1191 (void) memset(payload, 0, sizeof (payload));
1192 req.emr_cmd = MC_CMD_GET_ASSERTS;
1193 req.emr_in_buf = payload;
1194 req.emr_in_length = MC_CMD_GET_ASSERTS_IN_LEN;
1195 req.emr_out_buf = payload;
1196 req.emr_out_length = MC_CMD_GET_ASSERTS_OUT_LEN;
1198 MCDI_IN_SET_DWORD(req, GET_ASSERTS_IN_CLEAR, 1);
1199 efx_mcdi_execute_quiet(enp, &req);
1201 } while ((req.emr_rc == EINTR || req.emr_rc == EIO) && retry-- > 0);
1203 if (req.emr_rc != 0) {
1204 if (req.emr_rc == EACCES) {
1205 /* Unprivileged functions cannot clear assertions. */
1212 if (req.emr_out_length_used < MC_CMD_GET_ASSERTS_OUT_LEN) {
1217 /* Print out any assertion state recorded */
1218 flags = MCDI_OUT_DWORD(req, GET_ASSERTS_OUT_GLOBAL_FLAGS);
1219 if (flags == MC_CMD_GET_ASSERTS_FLAGS_NO_FAILS)
1222 reason = (flags == MC_CMD_GET_ASSERTS_FLAGS_SYS_FAIL)
1223 ? "system-level assertion"
1224 : (flags == MC_CMD_GET_ASSERTS_FLAGS_THR_FAIL)
1225 ? "thread-level assertion"
1226 : (flags == MC_CMD_GET_ASSERTS_FLAGS_WDOG_FIRED)
1228 : (flags == MC_CMD_GET_ASSERTS_FLAGS_ADDR_TRAP)
1229 ? "illegal address trap"
1230 : "unknown assertion";
1231 EFSYS_PROBE3(mcpu_assertion,
1232 const char *, reason, unsigned int,
1233 MCDI_OUT_DWORD(req, GET_ASSERTS_OUT_SAVED_PC_OFFS),
1235 MCDI_OUT_DWORD(req, GET_ASSERTS_OUT_THREAD_OFFS));
1237 /* Print out the registers (r1 ... r31) */
1238 ofst = MC_CMD_GET_ASSERTS_OUT_GP_REGS_OFFS_OFST;
1240 index < 1 + MC_CMD_GET_ASSERTS_OUT_GP_REGS_OFFS_NUM;
1242 EFSYS_PROBE2(mcpu_register, unsigned int, index, unsigned int,
1243 EFX_DWORD_FIELD(*MCDI_OUT(req, efx_dword_t, ofst),
1245 ofst += sizeof (efx_dword_t);
1247 EFSYS_ASSERT(ofst <= MC_CMD_GET_ASSERTS_OUT_LEN);
1255 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1262 * Internal routines for for specific MCDI requests.
1265 __checkReturn efx_rc_t
1266 efx_mcdi_drv_attach(
1267 __in efx_nic_t *enp,
1268 __in boolean_t attach)
1271 EFX_MCDI_DECLARE_BUF(payload, MC_CMD_DRV_ATTACH_IN_V2_LEN,
1272 MC_CMD_DRV_ATTACH_EXT_OUT_LEN);
1275 req.emr_cmd = MC_CMD_DRV_ATTACH;
1276 req.emr_in_buf = payload;
1277 if (enp->en_drv_version[0] == '\0') {
1278 req.emr_in_length = MC_CMD_DRV_ATTACH_IN_LEN;
1280 req.emr_in_length = MC_CMD_DRV_ATTACH_IN_V2_LEN;
1282 req.emr_out_buf = payload;
1283 req.emr_out_length = MC_CMD_DRV_ATTACH_EXT_OUT_LEN;
1286 * Typically, client drivers use DONT_CARE for the datapath firmware
1287 * type to ensure that the driver can attach to an unprivileged
1288 * function. The datapath firmware type to use is controlled by the
1290 * If a client driver wishes to attach with a specific datapath firmware
1291 * type, that can be passed in second argument of efx_nic_probe API. One
1292 * such example is the ESXi native driver that attempts attaching with
1293 * FULL_FEATURED datapath firmware type first and fall backs to
1294 * DONT_CARE datapath firmware type if MC_CMD_DRV_ATTACH fails.
1296 MCDI_IN_POPULATE_DWORD_2(req, DRV_ATTACH_IN_NEW_STATE,
1297 DRV_ATTACH_IN_ATTACH, attach ? 1 : 0,
1298 DRV_ATTACH_IN_SUBVARIANT_AWARE, EFSYS_OPT_FW_SUBVARIANT_AWARE);
1299 MCDI_IN_SET_DWORD(req, DRV_ATTACH_IN_UPDATE, 1);
1300 MCDI_IN_SET_DWORD(req, DRV_ATTACH_IN_FIRMWARE_ID, enp->efv);
1302 if (req.emr_in_length >= MC_CMD_DRV_ATTACH_IN_V2_LEN) {
1303 EFX_STATIC_ASSERT(sizeof (enp->en_drv_version) ==
1304 MC_CMD_DRV_ATTACH_IN_V2_DRIVER_VERSION_LEN);
1305 memcpy(MCDI_IN2(req, char, DRV_ATTACH_IN_V2_DRIVER_VERSION),
1306 enp->en_drv_version,
1307 MC_CMD_DRV_ATTACH_IN_V2_DRIVER_VERSION_LEN);
1310 efx_mcdi_execute(enp, &req);
1312 if (req.emr_rc != 0) {
1317 if (req.emr_out_length_used < MC_CMD_DRV_ATTACH_OUT_LEN) {
1327 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1332 __checkReturn efx_rc_t
1333 efx_mcdi_get_board_cfg(
1334 __in efx_nic_t *enp,
1335 __out_opt uint32_t *board_typep,
1336 __out_opt efx_dword_t *capabilitiesp,
1337 __out_ecount_opt(6) uint8_t mac_addrp[6])
1339 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
1341 EFX_MCDI_DECLARE_BUF(payload, MC_CMD_GET_BOARD_CFG_IN_LEN,
1342 MC_CMD_GET_BOARD_CFG_OUT_LENMIN);
1345 req.emr_cmd = MC_CMD_GET_BOARD_CFG;
1346 req.emr_in_buf = payload;
1347 req.emr_in_length = MC_CMD_GET_BOARD_CFG_IN_LEN;
1348 req.emr_out_buf = payload;
1349 req.emr_out_length = MC_CMD_GET_BOARD_CFG_OUT_LENMIN;
1351 efx_mcdi_execute(enp, &req);
1353 if (req.emr_rc != 0) {
1358 if (req.emr_out_length_used < MC_CMD_GET_BOARD_CFG_OUT_LENMIN) {
1363 if (mac_addrp != NULL) {
1366 if (emip->emi_port == 1) {
1367 addrp = MCDI_OUT2(req, uint8_t,
1368 GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT0);
1369 } else if (emip->emi_port == 2) {
1370 addrp = MCDI_OUT2(req, uint8_t,
1371 GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT1);
1377 EFX_MAC_ADDR_COPY(mac_addrp, addrp);
1380 if (capabilitiesp != NULL) {
1381 if (emip->emi_port == 1) {
1382 *capabilitiesp = *MCDI_OUT2(req, efx_dword_t,
1383 GET_BOARD_CFG_OUT_CAPABILITIES_PORT0);
1384 } else if (emip->emi_port == 2) {
1385 *capabilitiesp = *MCDI_OUT2(req, efx_dword_t,
1386 GET_BOARD_CFG_OUT_CAPABILITIES_PORT1);
1393 if (board_typep != NULL) {
1394 *board_typep = MCDI_OUT_DWORD(req,
1395 GET_BOARD_CFG_OUT_BOARD_TYPE);
1407 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1412 __checkReturn efx_rc_t
1413 efx_mcdi_get_resource_limits(
1414 __in efx_nic_t *enp,
1415 __out_opt uint32_t *nevqp,
1416 __out_opt uint32_t *nrxqp,
1417 __out_opt uint32_t *ntxqp)
1420 EFX_MCDI_DECLARE_BUF(payload, MC_CMD_GET_RESOURCE_LIMITS_IN_LEN,
1421 MC_CMD_GET_RESOURCE_LIMITS_OUT_LEN);
1424 req.emr_cmd = MC_CMD_GET_RESOURCE_LIMITS;
1425 req.emr_in_buf = payload;
1426 req.emr_in_length = MC_CMD_GET_RESOURCE_LIMITS_IN_LEN;
1427 req.emr_out_buf = payload;
1428 req.emr_out_length = MC_CMD_GET_RESOURCE_LIMITS_OUT_LEN;
1430 efx_mcdi_execute(enp, &req);
1432 if (req.emr_rc != 0) {
1437 if (req.emr_out_length_used < MC_CMD_GET_RESOURCE_LIMITS_OUT_LEN) {
1443 *nevqp = MCDI_OUT_DWORD(req, GET_RESOURCE_LIMITS_OUT_EVQ);
1445 *nrxqp = MCDI_OUT_DWORD(req, GET_RESOURCE_LIMITS_OUT_RXQ);
1447 *ntxqp = MCDI_OUT_DWORD(req, GET_RESOURCE_LIMITS_OUT_TXQ);
1454 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1459 __checkReturn efx_rc_t
1460 efx_mcdi_get_phy_cfg(
1461 __in efx_nic_t *enp)
1463 efx_port_t *epp = &(enp->en_port);
1464 efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
1466 EFX_MCDI_DECLARE_BUF(payload, MC_CMD_GET_PHY_CFG_IN_LEN,
1467 MC_CMD_GET_PHY_CFG_OUT_LEN);
1472 uint32_t phy_media_type;
1475 req.emr_cmd = MC_CMD_GET_PHY_CFG;
1476 req.emr_in_buf = payload;
1477 req.emr_in_length = MC_CMD_GET_PHY_CFG_IN_LEN;
1478 req.emr_out_buf = payload;
1479 req.emr_out_length = MC_CMD_GET_PHY_CFG_OUT_LEN;
1481 efx_mcdi_execute(enp, &req);
1483 if (req.emr_rc != 0) {
1488 if (req.emr_out_length_used < MC_CMD_GET_PHY_CFG_OUT_LEN) {
1493 encp->enc_phy_type = MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_TYPE);
1495 namep = MCDI_OUT2(req, char, GET_PHY_CFG_OUT_NAME);
1496 namelen = MIN(sizeof (encp->enc_phy_name) - 1,
1497 strnlen(namep, MC_CMD_GET_PHY_CFG_OUT_NAME_LEN));
1498 (void) memset(encp->enc_phy_name, 0,
1499 sizeof (encp->enc_phy_name));
1500 memcpy(encp->enc_phy_name, namep, namelen);
1501 #endif /* EFSYS_OPT_NAMES */
1502 (void) memset(encp->enc_phy_revision, 0,
1503 sizeof (encp->enc_phy_revision));
1504 memcpy(encp->enc_phy_revision,
1505 MCDI_OUT2(req, char, GET_PHY_CFG_OUT_REVISION),
1506 MIN(sizeof (encp->enc_phy_revision) - 1,
1507 MC_CMD_GET_PHY_CFG_OUT_REVISION_LEN));
1508 #if EFSYS_OPT_PHY_LED_CONTROL
1509 encp->enc_led_mask = ((1 << EFX_PHY_LED_DEFAULT) |
1510 (1 << EFX_PHY_LED_OFF) |
1511 (1 << EFX_PHY_LED_ON));
1512 #endif /* EFSYS_OPT_PHY_LED_CONTROL */
1514 /* Get the media type of the fixed port, if recognised. */
1515 EFX_STATIC_ASSERT(MC_CMD_MEDIA_XAUI == EFX_PHY_MEDIA_XAUI);
1516 EFX_STATIC_ASSERT(MC_CMD_MEDIA_CX4 == EFX_PHY_MEDIA_CX4);
1517 EFX_STATIC_ASSERT(MC_CMD_MEDIA_KX4 == EFX_PHY_MEDIA_KX4);
1518 EFX_STATIC_ASSERT(MC_CMD_MEDIA_XFP == EFX_PHY_MEDIA_XFP);
1519 EFX_STATIC_ASSERT(MC_CMD_MEDIA_SFP_PLUS == EFX_PHY_MEDIA_SFP_PLUS);
1520 EFX_STATIC_ASSERT(MC_CMD_MEDIA_BASE_T == EFX_PHY_MEDIA_BASE_T);
1521 EFX_STATIC_ASSERT(MC_CMD_MEDIA_QSFP_PLUS == EFX_PHY_MEDIA_QSFP_PLUS);
1522 phy_media_type = MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_MEDIA_TYPE);
1523 epp->ep_fixed_port_type = (efx_phy_media_type_t)phy_media_type;
1524 if (epp->ep_fixed_port_type >= EFX_PHY_MEDIA_NTYPES)
1525 epp->ep_fixed_port_type = EFX_PHY_MEDIA_INVALID;
1527 epp->ep_phy_cap_mask =
1528 MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_SUPPORTED_CAP);
1529 #if EFSYS_OPT_PHY_FLAGS
1530 encp->enc_phy_flags_mask = MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_FLAGS);
1531 #endif /* EFSYS_OPT_PHY_FLAGS */
1533 encp->enc_port = (uint8_t)MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_PRT);
1535 /* Populate internal state */
1536 encp->enc_mcdi_mdio_channel =
1537 (uint8_t)MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_CHANNEL);
1539 #if EFSYS_OPT_PHY_STATS
1540 encp->enc_mcdi_phy_stat_mask =
1541 MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_STATS_MASK);
1542 #endif /* EFSYS_OPT_PHY_STATS */
1545 encp->enc_bist_mask = 0;
1546 if (MCDI_OUT_DWORD_FIELD(req, GET_PHY_CFG_OUT_FLAGS,
1547 GET_PHY_CFG_OUT_BIST_CABLE_SHORT))
1548 encp->enc_bist_mask |= (1 << EFX_BIST_TYPE_PHY_CABLE_SHORT);
1549 if (MCDI_OUT_DWORD_FIELD(req, GET_PHY_CFG_OUT_FLAGS,
1550 GET_PHY_CFG_OUT_BIST_CABLE_LONG))
1551 encp->enc_bist_mask |= (1 << EFX_BIST_TYPE_PHY_CABLE_LONG);
1552 if (MCDI_OUT_DWORD_FIELD(req, GET_PHY_CFG_OUT_FLAGS,
1553 GET_PHY_CFG_OUT_BIST))
1554 encp->enc_bist_mask |= (1 << EFX_BIST_TYPE_PHY_NORMAL);
1555 #endif /* EFSYS_OPT_BIST */
1562 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1567 __checkReturn efx_rc_t
1568 efx_mcdi_firmware_update_supported(
1569 __in efx_nic_t *enp,
1570 __out boolean_t *supportedp)
1572 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
1575 if (emcop != NULL) {
1576 if ((rc = emcop->emco_feature_supported(enp,
1577 EFX_MCDI_FEATURE_FW_UPDATE, supportedp)) != 0)
1580 /* Earlier devices always supported updates */
1581 *supportedp = B_TRUE;
1587 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1592 __checkReturn efx_rc_t
1593 efx_mcdi_macaddr_change_supported(
1594 __in efx_nic_t *enp,
1595 __out boolean_t *supportedp)
1597 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
1600 if (emcop != NULL) {
1601 if ((rc = emcop->emco_feature_supported(enp,
1602 EFX_MCDI_FEATURE_MACADDR_CHANGE, supportedp)) != 0)
1605 /* Earlier devices always supported MAC changes */
1606 *supportedp = B_TRUE;
1612 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1617 __checkReturn efx_rc_t
1618 efx_mcdi_link_control_supported(
1619 __in efx_nic_t *enp,
1620 __out boolean_t *supportedp)
1622 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
1625 if (emcop != NULL) {
1626 if ((rc = emcop->emco_feature_supported(enp,
1627 EFX_MCDI_FEATURE_LINK_CONTROL, supportedp)) != 0)
1630 /* Earlier devices always supported link control */
1631 *supportedp = B_TRUE;
1637 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1642 __checkReturn efx_rc_t
1643 efx_mcdi_mac_spoofing_supported(
1644 __in efx_nic_t *enp,
1645 __out boolean_t *supportedp)
1647 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
1650 if (emcop != NULL) {
1651 if ((rc = emcop->emco_feature_supported(enp,
1652 EFX_MCDI_FEATURE_MAC_SPOOFING, supportedp)) != 0)
1655 /* Earlier devices always supported MAC spoofing */
1656 *supportedp = B_TRUE;
1662 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1671 * Enter bist offline mode. This is a fw mode which puts the NIC into a state
1672 * where memory BIST tests can be run and not much else can interfere or happen.
1673 * A reboot is required to exit this mode.
1675 __checkReturn efx_rc_t
1676 efx_mcdi_bist_enable_offline(
1677 __in efx_nic_t *enp)
1682 EFX_STATIC_ASSERT(MC_CMD_ENABLE_OFFLINE_BIST_IN_LEN == 0);
1683 EFX_STATIC_ASSERT(MC_CMD_ENABLE_OFFLINE_BIST_OUT_LEN == 0);
1685 req.emr_cmd = MC_CMD_ENABLE_OFFLINE_BIST;
1686 req.emr_in_buf = NULL;
1687 req.emr_in_length = 0;
1688 req.emr_out_buf = NULL;
1689 req.emr_out_length = 0;
1691 efx_mcdi_execute(enp, &req);
1693 if (req.emr_rc != 0) {
1701 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1705 #endif /* EFX_OPTS_EF10() */
1707 __checkReturn efx_rc_t
1708 efx_mcdi_bist_start(
1709 __in efx_nic_t *enp,
1710 __in efx_bist_type_t type)
1713 EFX_MCDI_DECLARE_BUF(payload, MC_CMD_START_BIST_IN_LEN,
1714 MC_CMD_START_BIST_OUT_LEN);
1717 req.emr_cmd = MC_CMD_START_BIST;
1718 req.emr_in_buf = payload;
1719 req.emr_in_length = MC_CMD_START_BIST_IN_LEN;
1720 req.emr_out_buf = payload;
1721 req.emr_out_length = MC_CMD_START_BIST_OUT_LEN;
1724 case EFX_BIST_TYPE_PHY_NORMAL:
1725 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE, MC_CMD_PHY_BIST);
1727 case EFX_BIST_TYPE_PHY_CABLE_SHORT:
1728 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE,
1729 MC_CMD_PHY_BIST_CABLE_SHORT);
1731 case EFX_BIST_TYPE_PHY_CABLE_LONG:
1732 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE,
1733 MC_CMD_PHY_BIST_CABLE_LONG);
1735 case EFX_BIST_TYPE_MC_MEM:
1736 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE,
1737 MC_CMD_MC_MEM_BIST);
1739 case EFX_BIST_TYPE_SAT_MEM:
1740 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE,
1741 MC_CMD_PORT_MEM_BIST);
1743 case EFX_BIST_TYPE_REG:
1744 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE,
1751 efx_mcdi_execute(enp, &req);
1753 if (req.emr_rc != 0) {
1761 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1766 #endif /* EFSYS_OPT_BIST */
1769 /* Enable logging of some events (e.g. link state changes) */
1770 __checkReturn efx_rc_t
1772 __in efx_nic_t *enp)
1775 EFX_MCDI_DECLARE_BUF(payload, MC_CMD_LOG_CTRL_IN_LEN,
1776 MC_CMD_LOG_CTRL_OUT_LEN);
1779 req.emr_cmd = MC_CMD_LOG_CTRL;
1780 req.emr_in_buf = payload;
1781 req.emr_in_length = MC_CMD_LOG_CTRL_IN_LEN;
1782 req.emr_out_buf = payload;
1783 req.emr_out_length = MC_CMD_LOG_CTRL_OUT_LEN;
1785 MCDI_IN_SET_DWORD(req, LOG_CTRL_IN_LOG_DEST,
1786 MC_CMD_LOG_CTRL_IN_LOG_DEST_EVQ);
1787 MCDI_IN_SET_DWORD(req, LOG_CTRL_IN_LOG_DEST_EVQ, 0);
1789 efx_mcdi_execute(enp, &req);
1791 if (req.emr_rc != 0) {
1799 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1805 #if EFSYS_OPT_MAC_STATS
1807 typedef enum efx_stats_action_e {
1810 EFX_STATS_ENABLE_NOEVENTS,
1811 EFX_STATS_ENABLE_EVENTS,
1813 } efx_stats_action_t;
1815 static __checkReturn efx_rc_t
1817 __in efx_nic_t *enp,
1818 __in_opt efsys_mem_t *esmp,
1819 __in efx_stats_action_t action,
1820 __in uint16_t period_ms)
1823 EFX_MCDI_DECLARE_BUF(payload, MC_CMD_MAC_STATS_IN_LEN,
1824 MC_CMD_MAC_STATS_V2_OUT_DMA_LEN);
1825 int clear = (action == EFX_STATS_CLEAR);
1826 int upload = (action == EFX_STATS_UPLOAD);
1827 int enable = (action == EFX_STATS_ENABLE_NOEVENTS);
1828 int events = (action == EFX_STATS_ENABLE_EVENTS);
1829 int disable = (action == EFX_STATS_DISABLE);
1832 req.emr_cmd = MC_CMD_MAC_STATS;
1833 req.emr_in_buf = payload;
1834 req.emr_in_length = MC_CMD_MAC_STATS_IN_LEN;
1835 req.emr_out_buf = payload;
1836 req.emr_out_length = MC_CMD_MAC_STATS_V2_OUT_DMA_LEN;
1838 MCDI_IN_POPULATE_DWORD_6(req, MAC_STATS_IN_CMD,
1839 MAC_STATS_IN_DMA, upload,
1840 MAC_STATS_IN_CLEAR, clear,
1841 MAC_STATS_IN_PERIODIC_CHANGE, enable | events | disable,
1842 MAC_STATS_IN_PERIODIC_ENABLE, enable | events,
1843 MAC_STATS_IN_PERIODIC_NOEVENT, !events,
1844 MAC_STATS_IN_PERIOD_MS, (enable | events) ? period_ms : 0);
1846 if (enable || events || upload) {
1847 const efx_nic_cfg_t *encp = &enp->en_nic_cfg;
1850 /* Periodic stats or stats upload require a DMA buffer */
1856 if (encp->enc_mac_stats_nstats < MC_CMD_MAC_NSTATS) {
1857 /* MAC stats count too small for legacy MAC stats */
1862 bytes = encp->enc_mac_stats_nstats * sizeof (efx_qword_t);
1864 if (EFSYS_MEM_SIZE(esmp) < bytes) {
1865 /* DMA buffer too small */
1870 MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_ADDR_LO,
1871 EFSYS_MEM_ADDR(esmp) & 0xffffffff);
1872 MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_ADDR_HI,
1873 EFSYS_MEM_ADDR(esmp) >> 32);
1874 MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_LEN, bytes);
1878 * NOTE: Do not use EVB_PORT_ID_ASSIGNED when disabling periodic stats,
1879 * as this may fail (and leave periodic DMA enabled) if the
1880 * vadapter has already been deleted.
1882 MCDI_IN_SET_DWORD(req, MAC_STATS_IN_PORT_ID,
1883 (disable ? EVB_PORT_ID_NULL : enp->en_vport_id));
1885 efx_mcdi_execute(enp, &req);
1887 if (req.emr_rc != 0) {
1888 /* EF10: Expect ENOENT if no DMA queues are initialised */
1889 if ((req.emr_rc != ENOENT) ||
1890 (enp->en_rx_qcount + enp->en_tx_qcount != 0)) {
1905 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1910 __checkReturn efx_rc_t
1911 efx_mcdi_mac_stats_clear(
1912 __in efx_nic_t *enp)
1916 if ((rc = efx_mcdi_mac_stats(enp, NULL, EFX_STATS_CLEAR, 0)) != 0)
1922 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1927 __checkReturn efx_rc_t
1928 efx_mcdi_mac_stats_upload(
1929 __in efx_nic_t *enp,
1930 __in efsys_mem_t *esmp)
1935 * The MC DMAs aggregate statistics for our convenience, so we can
1936 * avoid having to pull the statistics buffer into the cache to
1937 * maintain cumulative statistics.
1939 if ((rc = efx_mcdi_mac_stats(enp, esmp, EFX_STATS_UPLOAD, 0)) != 0)
1945 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1950 __checkReturn efx_rc_t
1951 efx_mcdi_mac_stats_periodic(
1952 __in efx_nic_t *enp,
1953 __in efsys_mem_t *esmp,
1954 __in uint16_t period_ms,
1955 __in boolean_t events)
1960 * The MC DMAs aggregate statistics for our convenience, so we can
1961 * avoid having to pull the statistics buffer into the cache to
1962 * maintain cumulative statistics.
1963 * Huntington uses a fixed 1sec period.
1964 * Medford uses a fixed 1sec period before v6.2.1.1033 firmware.
1967 rc = efx_mcdi_mac_stats(enp, NULL, EFX_STATS_DISABLE, 0);
1969 rc = efx_mcdi_mac_stats(enp, esmp, EFX_STATS_ENABLE_EVENTS,
1972 rc = efx_mcdi_mac_stats(enp, esmp, EFX_STATS_ENABLE_NOEVENTS,
1981 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1986 #endif /* EFSYS_OPT_MAC_STATS */
1991 * This function returns the pf and vf number of a function. If it is a pf the
1992 * vf number is 0xffff. The vf number is the index of the vf on that
1993 * function. So if you have 3 vfs on pf 0 the 3 vfs will return (pf=0,vf=0),
1994 * (pf=0,vf=1), (pf=0,vf=2) aand the pf will return (pf=0, vf=0xffff).
1996 __checkReturn efx_rc_t
1997 efx_mcdi_get_function_info(
1998 __in efx_nic_t *enp,
1999 __out uint32_t *pfp,
2000 __out_opt uint32_t *vfp)
2003 EFX_MCDI_DECLARE_BUF(payload, MC_CMD_GET_FUNCTION_INFO_IN_LEN,
2004 MC_CMD_GET_FUNCTION_INFO_OUT_LEN);
2007 req.emr_cmd = MC_CMD_GET_FUNCTION_INFO;
2008 req.emr_in_buf = payload;
2009 req.emr_in_length = MC_CMD_GET_FUNCTION_INFO_IN_LEN;
2010 req.emr_out_buf = payload;
2011 req.emr_out_length = MC_CMD_GET_FUNCTION_INFO_OUT_LEN;
2013 efx_mcdi_execute(enp, &req);
2015 if (req.emr_rc != 0) {
2020 if (req.emr_out_length_used < MC_CMD_GET_FUNCTION_INFO_OUT_LEN) {
2025 *pfp = MCDI_OUT_DWORD(req, GET_FUNCTION_INFO_OUT_PF);
2027 *vfp = MCDI_OUT_DWORD(req, GET_FUNCTION_INFO_OUT_VF);
2034 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2039 __checkReturn efx_rc_t
2040 efx_mcdi_privilege_mask(
2041 __in efx_nic_t *enp,
2044 __out uint32_t *maskp)
2047 EFX_MCDI_DECLARE_BUF(payload, MC_CMD_PRIVILEGE_MASK_IN_LEN,
2048 MC_CMD_PRIVILEGE_MASK_OUT_LEN);
2051 req.emr_cmd = MC_CMD_PRIVILEGE_MASK;
2052 req.emr_in_buf = payload;
2053 req.emr_in_length = MC_CMD_PRIVILEGE_MASK_IN_LEN;
2054 req.emr_out_buf = payload;
2055 req.emr_out_length = MC_CMD_PRIVILEGE_MASK_OUT_LEN;
2057 MCDI_IN_POPULATE_DWORD_2(req, PRIVILEGE_MASK_IN_FUNCTION,
2058 PRIVILEGE_MASK_IN_FUNCTION_PF, pf,
2059 PRIVILEGE_MASK_IN_FUNCTION_VF, vf);
2061 efx_mcdi_execute(enp, &req);
2063 if (req.emr_rc != 0) {
2068 if (req.emr_out_length_used < MC_CMD_PRIVILEGE_MASK_OUT_LEN) {
2073 *maskp = MCDI_OUT_DWORD(req, PRIVILEGE_MASK_OUT_OLD_MASK);
2080 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2085 #endif /* EFX_OPTS_EF10() */
2087 __checkReturn efx_rc_t
2088 efx_mcdi_set_workaround(
2089 __in efx_nic_t *enp,
2091 __in boolean_t enabled,
2092 __out_opt uint32_t *flagsp)
2095 EFX_MCDI_DECLARE_BUF(payload, MC_CMD_WORKAROUND_IN_LEN,
2096 MC_CMD_WORKAROUND_EXT_OUT_LEN);
2099 req.emr_cmd = MC_CMD_WORKAROUND;
2100 req.emr_in_buf = payload;
2101 req.emr_in_length = MC_CMD_WORKAROUND_IN_LEN;
2102 req.emr_out_buf = payload;
2103 req.emr_out_length = MC_CMD_WORKAROUND_OUT_LEN;
2105 MCDI_IN_SET_DWORD(req, WORKAROUND_IN_TYPE, type);
2106 MCDI_IN_SET_DWORD(req, WORKAROUND_IN_ENABLED, enabled ? 1 : 0);
2108 efx_mcdi_execute_quiet(enp, &req);
2110 if (req.emr_rc != 0) {
2115 if (flagsp != NULL) {
2116 if (req.emr_out_length_used >= MC_CMD_WORKAROUND_EXT_OUT_LEN)
2117 *flagsp = MCDI_OUT_DWORD(req, WORKAROUND_EXT_OUT_FLAGS);
2125 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2131 __checkReturn efx_rc_t
2132 efx_mcdi_get_workarounds(
2133 __in efx_nic_t *enp,
2134 __out_opt uint32_t *implementedp,
2135 __out_opt uint32_t *enabledp)
2138 EFX_MCDI_DECLARE_BUF(payload, 0, MC_CMD_GET_WORKAROUNDS_OUT_LEN);
2141 req.emr_cmd = MC_CMD_GET_WORKAROUNDS;
2142 req.emr_in_buf = NULL;
2143 req.emr_in_length = 0;
2144 req.emr_out_buf = payload;
2145 req.emr_out_length = MC_CMD_GET_WORKAROUNDS_OUT_LEN;
2147 efx_mcdi_execute(enp, &req);
2149 if (req.emr_rc != 0) {
2154 if (implementedp != NULL) {
2156 MCDI_OUT_DWORD(req, GET_WORKAROUNDS_OUT_IMPLEMENTED);
2159 if (enabledp != NULL) {
2160 *enabledp = MCDI_OUT_DWORD(req, GET_WORKAROUNDS_OUT_ENABLED);
2166 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2172 * Size of media information page in accordance with SFF-8472 and SFF-8436.
2173 * It is used in MCDI interface as well.
2175 #define EFX_PHY_MEDIA_INFO_PAGE_SIZE 0x80
2178 * Transceiver identifiers from SFF-8024 Table 4-1.
2180 #define EFX_SFF_TRANSCEIVER_ID_SFP 0x03 /* SFP/SFP+/SFP28 */
2181 #define EFX_SFF_TRANSCEIVER_ID_QSFP 0x0c /* QSFP */
2182 #define EFX_SFF_TRANSCEIVER_ID_QSFP_PLUS 0x0d /* QSFP+ or later */
2183 #define EFX_SFF_TRANSCEIVER_ID_QSFP28 0x11 /* QSFP28 or later */
2185 static __checkReturn efx_rc_t
2186 efx_mcdi_get_phy_media_info(
2187 __in efx_nic_t *enp,
2188 __in uint32_t mcdi_page,
2189 __in uint8_t offset,
2191 __out_bcount(len) uint8_t *data)
2194 EFX_MCDI_DECLARE_BUF(payload, MC_CMD_GET_PHY_MEDIA_INFO_IN_LEN,
2195 MC_CMD_GET_PHY_MEDIA_INFO_OUT_LEN(
2196 EFX_PHY_MEDIA_INFO_PAGE_SIZE));
2199 EFSYS_ASSERT((uint32_t)offset + len <= EFX_PHY_MEDIA_INFO_PAGE_SIZE);
2201 req.emr_cmd = MC_CMD_GET_PHY_MEDIA_INFO;
2202 req.emr_in_buf = payload;
2203 req.emr_in_length = MC_CMD_GET_PHY_MEDIA_INFO_IN_LEN;
2204 req.emr_out_buf = payload;
2205 req.emr_out_length =
2206 MC_CMD_GET_PHY_MEDIA_INFO_OUT_LEN(EFX_PHY_MEDIA_INFO_PAGE_SIZE);
2208 MCDI_IN_SET_DWORD(req, GET_PHY_MEDIA_INFO_IN_PAGE, mcdi_page);
2210 efx_mcdi_execute(enp, &req);
2212 if (req.emr_rc != 0) {
2217 if (req.emr_out_length_used !=
2218 MC_CMD_GET_PHY_MEDIA_INFO_OUT_LEN(EFX_PHY_MEDIA_INFO_PAGE_SIZE)) {
2223 if (MCDI_OUT_DWORD(req, GET_PHY_MEDIA_INFO_OUT_DATALEN) !=
2224 EFX_PHY_MEDIA_INFO_PAGE_SIZE) {
2230 MCDI_OUT2(req, uint8_t, GET_PHY_MEDIA_INFO_OUT_DATA) + offset,
2240 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2245 __checkReturn efx_rc_t
2246 efx_mcdi_phy_module_get_info(
2247 __in efx_nic_t *enp,
2248 __in uint8_t dev_addr,
2251 __out_bcount(len) uint8_t *data)
2253 efx_port_t *epp = &(enp->en_port);
2255 uint32_t mcdi_lower_page;
2256 uint32_t mcdi_upper_page;
2259 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
2262 * Map device address to MC_CMD_GET_PHY_MEDIA_INFO pages.
2263 * Offset plus length interface allows to access page 0 only.
2264 * I.e. non-zero upper pages are not accessible.
2265 * See SFF-8472 section 4 Memory Organization and SFF-8436 section 7.6
2266 * QSFP+ Memory Map for details on how information is structured
2269 switch (epp->ep_fixed_port_type) {
2270 case EFX_PHY_MEDIA_SFP_PLUS:
2271 case EFX_PHY_MEDIA_QSFP_PLUS:
2272 /* Port type supports modules */
2280 * For all supported port types, MCDI page 0 offset 0 holds the
2281 * transceiver identifier. Probe to determine the data layout.
2282 * Definitions from SFF-8024 Table 4-1.
2284 rc = efx_mcdi_get_phy_media_info(enp,
2285 0, 0, sizeof(id), &id);
2290 case EFX_SFF_TRANSCEIVER_ID_SFP:
2292 * In accordance with SFF-8472 Diagnostic Monitoring
2293 * Interface for Optical Transceivers section 4 Memory
2294 * Organization two 2-wire addresses are defined.
2297 /* Base information */
2298 case EFX_PHY_MEDIA_INFO_DEV_ADDR_SFP_BASE:
2300 * MCDI page 0 should be used to access lower
2301 * page 0 (0x00 - 0x7f) at the device address 0xA0.
2303 mcdi_lower_page = 0;
2305 * MCDI page 1 should be used to access upper
2306 * page 0 (0x80 - 0xff) at the device address 0xA0.
2308 mcdi_upper_page = 1;
2311 case EFX_PHY_MEDIA_INFO_DEV_ADDR_SFP_DDM:
2313 * MCDI page 2 should be used to access lower
2314 * page 0 (0x00 - 0x7f) at the device address 0xA2.
2316 mcdi_lower_page = 2;
2318 * MCDI page 3 should be used to access upper
2319 * page 0 (0x80 - 0xff) at the device address 0xA2.
2321 mcdi_upper_page = 3;
2328 case EFX_SFF_TRANSCEIVER_ID_QSFP:
2329 case EFX_SFF_TRANSCEIVER_ID_QSFP_PLUS:
2330 case EFX_SFF_TRANSCEIVER_ID_QSFP28:
2332 case EFX_PHY_MEDIA_INFO_DEV_ADDR_QSFP:
2334 * MCDI page -1 should be used to access lower page 0
2337 mcdi_lower_page = (uint32_t)-1;
2339 * MCDI page 0 should be used to access upper page 0
2342 mcdi_upper_page = 0;
2354 EFX_STATIC_ASSERT(EFX_PHY_MEDIA_INFO_PAGE_SIZE <= 0xFF);
2356 if (offset < EFX_PHY_MEDIA_INFO_PAGE_SIZE) {
2358 MIN(len, EFX_PHY_MEDIA_INFO_PAGE_SIZE - offset);
2360 rc = efx_mcdi_get_phy_media_info(enp,
2361 mcdi_lower_page, (uint8_t)offset, (uint8_t)read_len, data);
2370 offset -= EFX_PHY_MEDIA_INFO_PAGE_SIZE;
2374 EFSYS_ASSERT3U(len, <=, EFX_PHY_MEDIA_INFO_PAGE_SIZE);
2375 EFSYS_ASSERT3U(offset, <, EFX_PHY_MEDIA_INFO_PAGE_SIZE);
2377 rc = efx_mcdi_get_phy_media_info(enp,
2378 mcdi_upper_page, (uint8_t)offset, (uint8_t)len, data);
2394 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2399 #endif /* EFSYS_OPT_MCDI */