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 */
48 #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2
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 /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 */
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 for reboot atomically w.r.t efx_mcdi_request_start */
500 if (emip->emi_poll_cnt++ == 0) {
501 if ((rc = efx_mcdi_poll_reboot(enp)) != 0) {
502 emip->emi_pending_req = NULL;
503 EFSYS_UNLOCK(enp->en_eslp, state);
505 /* Reboot/Assertion */
506 if (rc == EIO || rc == EINTR)
507 efx_mcdi_raise_exception(enp, emrp, rc);
513 /* Check if a response is available */
514 if (efx_mcdi_poll_response(enp) == B_FALSE) {
515 EFSYS_UNLOCK(enp->en_eslp, state);
519 /* Read the response header */
520 efx_mcdi_read_response_header(enp, emrp);
522 /* Request complete */
523 emip->emi_pending_req = NULL;
525 /* Ensure stale MCDI requests fail after an MC reboot. */
526 emip->emi_new_epoch = B_FALSE;
528 EFSYS_UNLOCK(enp->en_eslp, state);
530 if ((rc = emrp->emr_rc) != 0)
533 efx_mcdi_finish_response(enp, emrp);
537 if (!emrp->emr_quiet)
540 if (!emrp->emr_quiet)
541 EFSYS_PROBE1(fail1, efx_rc_t, rc);
546 __checkReturn boolean_t
547 efx_mcdi_request_abort(
550 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
551 efx_mcdi_req_t *emrp;
553 efsys_lock_state_t state;
555 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
556 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
557 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
560 * efx_mcdi_ev_* may have already completed this event, and be
561 * spinning/blocked on the upper layer lock. So it *is* legitimate
562 * to for emi_pending_req to be NULL. If there is a pending event
563 * completed request, then provide a "credit" to allow
564 * efx_mcdi_ev_cpl() to accept a single spurious completion.
566 EFSYS_LOCK(enp->en_eslp, state);
567 emrp = emip->emi_pending_req;
568 aborted = (emrp != NULL);
570 emip->emi_pending_req = NULL;
572 /* Error the request */
573 emrp->emr_out_length_used = 0;
574 emrp->emr_rc = ETIMEDOUT;
576 /* Provide a credit for seqno/emr_pending_req mismatches */
577 if (emip->emi_ev_cpl)
581 * The upper layer has called us, so we don't
582 * need to complete the request.
585 EFSYS_UNLOCK(enp->en_eslp, state);
591 efx_mcdi_get_timeout(
593 __in efx_mcdi_req_t *emrp,
594 __out uint32_t *timeoutp)
596 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
598 emcop->emco_get_timeout(enp, emrp, timeoutp);
601 __checkReturn efx_rc_t
602 efx_mcdi_request_errcode(
603 __in unsigned int err)
608 case MC_CMD_ERR_EPERM:
610 case MC_CMD_ERR_ENOENT:
612 case MC_CMD_ERR_EINTR:
614 case MC_CMD_ERR_EACCES:
616 case MC_CMD_ERR_EBUSY:
618 case MC_CMD_ERR_EINVAL:
620 case MC_CMD_ERR_EDEADLK:
622 case MC_CMD_ERR_ENOSYS:
624 case MC_CMD_ERR_ETIME:
626 case MC_CMD_ERR_ENOTSUP:
628 case MC_CMD_ERR_EALREADY:
632 case MC_CMD_ERR_EEXIST:
634 #ifdef MC_CMD_ERR_EAGAIN
635 case MC_CMD_ERR_EAGAIN:
638 #ifdef MC_CMD_ERR_ENOSPC
639 case MC_CMD_ERR_ENOSPC:
642 case MC_CMD_ERR_ERANGE:
645 case MC_CMD_ERR_ALLOC_FAIL:
647 case MC_CMD_ERR_NO_VADAPTOR:
649 case MC_CMD_ERR_NO_EVB_PORT:
651 case MC_CMD_ERR_NO_VSWITCH:
653 case MC_CMD_ERR_VLAN_LIMIT:
655 case MC_CMD_ERR_BAD_PCI_FUNC:
657 case MC_CMD_ERR_BAD_VLAN_MODE:
659 case MC_CMD_ERR_BAD_VSWITCH_TYPE:
661 case MC_CMD_ERR_BAD_VPORT_TYPE:
663 case MC_CMD_ERR_MAC_EXIST:
666 case MC_CMD_ERR_PROXY_PENDING:
670 EFSYS_PROBE1(mc_pcol_error, int, err);
676 efx_mcdi_raise_exception(
678 __in_opt efx_mcdi_req_t *emrp,
681 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
682 efx_mcdi_exception_t exception;
684 /* Reboot or Assertion failure only */
685 EFSYS_ASSERT(rc == EIO || rc == EINTR);
688 * If MC_CMD_REBOOT causes a reboot (dependent on parameters),
689 * then the EIO is not worthy of an exception.
691 if (emrp != NULL && emrp->emr_cmd == MC_CMD_REBOOT && rc == EIO)
694 exception = (rc == EIO)
695 ? EFX_MCDI_EXCEPTION_MC_REBOOT
696 : EFX_MCDI_EXCEPTION_MC_BADASSERT;
698 emtp->emt_exception(emtp->emt_context, exception);
704 __inout efx_mcdi_req_t *emrp)
706 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
708 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
709 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
711 emrp->emr_quiet = B_FALSE;
712 emtp->emt_execute(emtp->emt_context, emrp);
716 efx_mcdi_execute_quiet(
718 __inout efx_mcdi_req_t *emrp)
720 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
722 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
723 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
725 emrp->emr_quiet = B_TRUE;
726 emtp->emt_execute(emtp->emt_context, emrp);
732 __in unsigned int seq,
733 __in unsigned int outlen,
736 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
737 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
738 efx_mcdi_req_t *emrp;
739 efsys_lock_state_t state;
741 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MCDI);
742 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
745 * Serialise against efx_mcdi_request_poll()/efx_mcdi_request_start()
746 * when we're completing an aborted request.
748 EFSYS_LOCK(enp->en_eslp, state);
749 if (emip->emi_pending_req == NULL || !emip->emi_ev_cpl ||
750 (seq != ((emip->emi_seq - 1) & EFX_MASK32(MCDI_HEADER_SEQ)))) {
751 EFSYS_ASSERT(emip->emi_aborted > 0);
752 if (emip->emi_aborted > 0)
754 EFSYS_UNLOCK(enp->en_eslp, state);
758 emrp = emip->emi_pending_req;
759 emip->emi_pending_req = NULL;
760 EFSYS_UNLOCK(enp->en_eslp, state);
762 if (emip->emi_max_version >= 2) {
763 /* MCDIv2 response details do not fit into an event. */
764 efx_mcdi_read_response_header(enp, emrp);
767 if (!emrp->emr_quiet) {
768 EFSYS_PROBE2(mcdi_err, int, emrp->emr_cmd,
771 emrp->emr_out_length_used = 0;
772 emrp->emr_rc = efx_mcdi_request_errcode(errcode);
774 emrp->emr_out_length_used = outlen;
778 if (emrp->emr_rc == 0)
779 efx_mcdi_finish_response(enp, emrp);
781 emtp->emt_ev_cpl(emtp->emt_context);
784 #if EFSYS_OPT_MCDI_PROXY_AUTH
786 __checkReturn efx_rc_t
787 efx_mcdi_get_proxy_handle(
789 __in efx_mcdi_req_t *emrp,
790 __out uint32_t *handlep)
794 _NOTE(ARGUNUSED(enp))
797 * Return proxy handle from MCDI request that returned with error
798 * MC_MCD_ERR_PROXY_PENDING. This handle is used to wait for a matching
799 * PROXY_RESPONSE event.
801 if ((emrp == NULL) || (handlep == NULL)) {
805 if ((emrp->emr_rc != 0) &&
806 (emrp->emr_err_code == MC_CMD_ERR_PROXY_PENDING)) {
807 *handlep = emrp->emr_proxy_handle;
816 EFSYS_PROBE1(fail1, efx_rc_t, rc);
821 efx_mcdi_ev_proxy_response(
823 __in unsigned int handle,
824 __in unsigned int status)
826 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
830 * Handle results of an authorization request for a privileged MCDI
831 * command. If authorization was granted then we must re-issue the
832 * original MCDI request. If authorization failed or timed out,
833 * then the original MCDI request should be completed with the
834 * result code from this event.
836 rc = (status == 0) ? 0 : efx_mcdi_request_errcode(status);
838 emtp->emt_ev_proxy_response(emtp->emt_context, handle, rc);
840 #endif /* EFSYS_OPT_MCDI_PROXY_AUTH */
847 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
848 const efx_mcdi_transport_t *emtp = enp->en_mcdi.em_emtp;
849 efx_mcdi_req_t *emrp = NULL;
851 efsys_lock_state_t state;
854 * The MCDI request (if there is one) has been terminated, either
855 * by a BADASSERT or REBOOT event.
857 * If there is an outstanding event-completed MCDI operation, then we
858 * will never receive the completion event (because both MCDI
859 * completions and BADASSERT events are sent to the same evq). So
860 * complete this MCDI op.
862 * This function might run in parallel with efx_mcdi_request_poll()
863 * for poll completed mcdi requests, and also with
864 * efx_mcdi_request_start() for post-watchdog completions.
866 EFSYS_LOCK(enp->en_eslp, state);
867 emrp = emip->emi_pending_req;
868 ev_cpl = emip->emi_ev_cpl;
869 if (emrp != NULL && emip->emi_ev_cpl) {
870 emip->emi_pending_req = NULL;
872 emrp->emr_out_length_used = 0;
878 * Since we're running in parallel with a request, consume the
879 * status word before dropping the lock.
881 if (rc == EIO || rc == EINTR) {
882 EFSYS_SPIN(EFX_MCDI_STATUS_SLEEP_US);
883 (void) efx_mcdi_poll_reboot(enp);
884 emip->emi_new_epoch = B_TRUE;
887 EFSYS_UNLOCK(enp->en_eslp, state);
889 efx_mcdi_raise_exception(enp, emrp, rc);
891 if (emrp != NULL && ev_cpl)
892 emtp->emt_ev_cpl(emtp->emt_context);
895 __checkReturn efx_rc_t
898 __out_ecount_opt(4) uint16_t versionp[4],
899 __out_opt uint32_t *buildp,
900 __out_opt efx_mcdi_boot_t *statusp)
903 uint8_t payload[MAX(MAX(MC_CMD_GET_VERSION_IN_LEN,
904 MC_CMD_GET_VERSION_OUT_LEN),
905 MAX(MC_CMD_GET_BOOT_STATUS_IN_LEN,
906 MC_CMD_GET_BOOT_STATUS_OUT_LEN))];
907 efx_word_t *ver_words;
910 efx_mcdi_boot_t status;
913 EFSYS_ASSERT3U(enp->en_features, &, EFX_FEATURE_MCDI);
915 (void) memset(payload, 0, sizeof (payload));
916 req.emr_cmd = MC_CMD_GET_VERSION;
917 req.emr_in_buf = payload;
918 req.emr_in_length = MC_CMD_GET_VERSION_IN_LEN;
919 req.emr_out_buf = payload;
920 req.emr_out_length = MC_CMD_GET_VERSION_OUT_LEN;
922 efx_mcdi_execute(enp, &req);
924 if (req.emr_rc != 0) {
929 /* bootrom support */
930 if (req.emr_out_length_used == MC_CMD_GET_VERSION_V0_OUT_LEN) {
931 version[0] = version[1] = version[2] = version[3] = 0;
932 build = MCDI_OUT_DWORD(req, GET_VERSION_OUT_FIRMWARE);
937 if (req.emr_out_length_used < MC_CMD_GET_VERSION_OUT_LEN) {
942 ver_words = MCDI_OUT2(req, efx_word_t, GET_VERSION_OUT_VERSION);
943 version[0] = EFX_WORD_FIELD(ver_words[0], EFX_WORD_0);
944 version[1] = EFX_WORD_FIELD(ver_words[1], EFX_WORD_0);
945 version[2] = EFX_WORD_FIELD(ver_words[2], EFX_WORD_0);
946 version[3] = EFX_WORD_FIELD(ver_words[3], EFX_WORD_0);
947 build = MCDI_OUT_DWORD(req, GET_VERSION_OUT_FIRMWARE);
950 /* The bootrom doesn't understand BOOT_STATUS */
951 if (MC_FW_VERSION_IS_BOOTLOADER(build)) {
952 status = EFX_MCDI_BOOT_ROM;
956 (void) memset(payload, 0, sizeof (payload));
957 req.emr_cmd = MC_CMD_GET_BOOT_STATUS;
958 req.emr_in_buf = payload;
959 req.emr_in_length = MC_CMD_GET_BOOT_STATUS_IN_LEN;
960 req.emr_out_buf = payload;
961 req.emr_out_length = MC_CMD_GET_BOOT_STATUS_OUT_LEN;
963 efx_mcdi_execute_quiet(enp, &req);
965 if (req.emr_rc == EACCES) {
966 /* Unprivileged functions cannot access BOOT_STATUS */
967 status = EFX_MCDI_BOOT_PRIMARY;
968 version[0] = version[1] = version[2] = version[3] = 0;
973 if (req.emr_rc != 0) {
978 if (req.emr_out_length_used < MC_CMD_GET_BOOT_STATUS_OUT_LEN) {
983 if (MCDI_OUT_DWORD_FIELD(req, GET_BOOT_STATUS_OUT_FLAGS,
984 GET_BOOT_STATUS_OUT_FLAGS_PRIMARY))
985 status = EFX_MCDI_BOOT_PRIMARY;
987 status = EFX_MCDI_BOOT_SECONDARY;
990 if (versionp != NULL)
991 memcpy(versionp, version, sizeof (version));
1006 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1011 __checkReturn efx_rc_t
1012 efx_mcdi_get_capabilities(
1013 __in efx_nic_t *enp,
1014 __out_opt uint32_t *flagsp,
1015 __out_opt uint16_t *rx_dpcpu_fw_idp,
1016 __out_opt uint16_t *tx_dpcpu_fw_idp,
1017 __out_opt uint32_t *flags2p,
1018 __out_opt uint32_t *tso2ncp)
1021 uint8_t payload[MAX(MC_CMD_GET_CAPABILITIES_IN_LEN,
1022 MC_CMD_GET_CAPABILITIES_V2_OUT_LEN)];
1023 boolean_t v2_capable;
1026 (void) memset(payload, 0, sizeof (payload));
1027 req.emr_cmd = MC_CMD_GET_CAPABILITIES;
1028 req.emr_in_buf = payload;
1029 req.emr_in_length = MC_CMD_GET_CAPABILITIES_IN_LEN;
1030 req.emr_out_buf = payload;
1031 req.emr_out_length = MC_CMD_GET_CAPABILITIES_V2_OUT_LEN;
1033 efx_mcdi_execute_quiet(enp, &req);
1035 if (req.emr_rc != 0) {
1040 if (req.emr_out_length_used < MC_CMD_GET_CAPABILITIES_OUT_LEN) {
1046 *flagsp = MCDI_OUT_DWORD(req, GET_CAPABILITIES_OUT_FLAGS1);
1048 if (rx_dpcpu_fw_idp != NULL)
1049 *rx_dpcpu_fw_idp = MCDI_OUT_WORD(req,
1050 GET_CAPABILITIES_OUT_RX_DPCPU_FW_ID);
1052 if (tx_dpcpu_fw_idp != NULL)
1053 *tx_dpcpu_fw_idp = MCDI_OUT_WORD(req,
1054 GET_CAPABILITIES_OUT_TX_DPCPU_FW_ID);
1056 if (req.emr_out_length_used < MC_CMD_GET_CAPABILITIES_V2_OUT_LEN)
1057 v2_capable = B_FALSE;
1059 v2_capable = B_TRUE;
1061 if (flags2p != NULL) {
1062 *flags2p = (v2_capable) ?
1063 MCDI_OUT_DWORD(req, GET_CAPABILITIES_V2_OUT_FLAGS2) :
1067 if (tso2ncp != NULL) {
1068 *tso2ncp = (v2_capable) ?
1070 GET_CAPABILITIES_V2_OUT_TX_TSO_V2_N_CONTEXTS) :
1079 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1084 static __checkReturn efx_rc_t
1086 __in efx_nic_t *enp,
1087 __in boolean_t after_assertion)
1089 uint8_t payload[MAX(MC_CMD_REBOOT_IN_LEN, MC_CMD_REBOOT_OUT_LEN)];
1094 * We could require the caller to have caused en_mod_flags=0 to
1095 * call this function. This doesn't help the other port though,
1096 * who's about to get the MC ripped out from underneath them.
1097 * Since they have to cope with the subsequent fallout of MCDI
1098 * failures, we should as well.
1100 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
1102 (void) memset(payload, 0, sizeof (payload));
1103 req.emr_cmd = MC_CMD_REBOOT;
1104 req.emr_in_buf = payload;
1105 req.emr_in_length = MC_CMD_REBOOT_IN_LEN;
1106 req.emr_out_buf = payload;
1107 req.emr_out_length = MC_CMD_REBOOT_OUT_LEN;
1109 MCDI_IN_SET_DWORD(req, REBOOT_IN_FLAGS,
1110 (after_assertion ? MC_CMD_REBOOT_FLAGS_AFTER_ASSERTION : 0));
1112 efx_mcdi_execute_quiet(enp, &req);
1114 if (req.emr_rc == EACCES) {
1115 /* Unprivileged functions cannot reboot the MC. */
1119 /* A successful reboot request returns EIO. */
1120 if (req.emr_rc != 0 && req.emr_rc != EIO) {
1129 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1134 __checkReturn efx_rc_t
1136 __in efx_nic_t *enp)
1138 return (efx_mcdi_do_reboot(enp, B_FALSE));
1141 __checkReturn efx_rc_t
1142 efx_mcdi_exit_assertion_handler(
1143 __in efx_nic_t *enp)
1145 return (efx_mcdi_do_reboot(enp, B_TRUE));
1148 __checkReturn efx_rc_t
1149 efx_mcdi_read_assertion(
1150 __in efx_nic_t *enp)
1153 uint8_t payload[MAX(MC_CMD_GET_ASSERTS_IN_LEN,
1154 MC_CMD_GET_ASSERTS_OUT_LEN)];
1163 * Before we attempt to chat to the MC, we should verify that the MC
1164 * isn't in it's assertion handler, either due to a previous reboot,
1165 * or because we're reinitializing due to an eec_exception().
1167 * Use GET_ASSERTS to read any assertion state that may be present.
1168 * Retry this command twice. Once because a boot-time assertion failure
1169 * might cause the 1st MCDI request to fail. And once again because
1170 * we might race with efx_mcdi_exit_assertion_handler() running on
1171 * partner port(s) on the same NIC.
1175 (void) memset(payload, 0, sizeof (payload));
1176 req.emr_cmd = MC_CMD_GET_ASSERTS;
1177 req.emr_in_buf = payload;
1178 req.emr_in_length = MC_CMD_GET_ASSERTS_IN_LEN;
1179 req.emr_out_buf = payload;
1180 req.emr_out_length = MC_CMD_GET_ASSERTS_OUT_LEN;
1182 MCDI_IN_SET_DWORD(req, GET_ASSERTS_IN_CLEAR, 1);
1183 efx_mcdi_execute_quiet(enp, &req);
1185 } while ((req.emr_rc == EINTR || req.emr_rc == EIO) && retry-- > 0);
1187 if (req.emr_rc != 0) {
1188 if (req.emr_rc == EACCES) {
1189 /* Unprivileged functions cannot clear assertions. */
1196 if (req.emr_out_length_used < MC_CMD_GET_ASSERTS_OUT_LEN) {
1201 /* Print out any assertion state recorded */
1202 flags = MCDI_OUT_DWORD(req, GET_ASSERTS_OUT_GLOBAL_FLAGS);
1203 if (flags == MC_CMD_GET_ASSERTS_FLAGS_NO_FAILS)
1206 reason = (flags == MC_CMD_GET_ASSERTS_FLAGS_SYS_FAIL)
1207 ? "system-level assertion"
1208 : (flags == MC_CMD_GET_ASSERTS_FLAGS_THR_FAIL)
1209 ? "thread-level assertion"
1210 : (flags == MC_CMD_GET_ASSERTS_FLAGS_WDOG_FIRED)
1212 : (flags == MC_CMD_GET_ASSERTS_FLAGS_ADDR_TRAP)
1213 ? "illegal address trap"
1214 : "unknown assertion";
1215 EFSYS_PROBE3(mcpu_assertion,
1216 const char *, reason, unsigned int,
1217 MCDI_OUT_DWORD(req, GET_ASSERTS_OUT_SAVED_PC_OFFS),
1219 MCDI_OUT_DWORD(req, GET_ASSERTS_OUT_THREAD_OFFS));
1221 /* Print out the registers (r1 ... r31) */
1222 ofst = MC_CMD_GET_ASSERTS_OUT_GP_REGS_OFFS_OFST;
1224 index < 1 + MC_CMD_GET_ASSERTS_OUT_GP_REGS_OFFS_NUM;
1226 EFSYS_PROBE2(mcpu_register, unsigned int, index, unsigned int,
1227 EFX_DWORD_FIELD(*MCDI_OUT(req, efx_dword_t, ofst),
1229 ofst += sizeof (efx_dword_t);
1231 EFSYS_ASSERT(ofst <= MC_CMD_GET_ASSERTS_OUT_LEN);
1239 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1246 * Internal routines for for specific MCDI requests.
1249 __checkReturn efx_rc_t
1250 efx_mcdi_drv_attach(
1251 __in efx_nic_t *enp,
1252 __in boolean_t attach)
1255 uint8_t payload[MAX(MC_CMD_DRV_ATTACH_IN_LEN,
1256 MC_CMD_DRV_ATTACH_EXT_OUT_LEN)];
1259 (void) memset(payload, 0, sizeof (payload));
1260 req.emr_cmd = MC_CMD_DRV_ATTACH;
1261 req.emr_in_buf = payload;
1262 req.emr_in_length = MC_CMD_DRV_ATTACH_IN_LEN;
1263 req.emr_out_buf = payload;
1264 req.emr_out_length = MC_CMD_DRV_ATTACH_EXT_OUT_LEN;
1267 * Typically, client drivers use DONT_CARE for the datapath firmware
1268 * type to ensure that the driver can attach to an unprivileged
1269 * function. The datapath firmware type to use is controlled by the
1271 * If a client driver wishes to attach with a specific datapath firmware
1272 * type, that can be passed in second argument of efx_nic_probe API. One
1273 * such example is the ESXi native driver that attempts attaching with
1274 * FULL_FEATURED datapath firmware type first and fall backs to
1275 * DONT_CARE datapath firmware type if MC_CMD_DRV_ATTACH fails.
1277 MCDI_IN_POPULATE_DWORD_2(req, DRV_ATTACH_IN_NEW_STATE,
1278 DRV_ATTACH_IN_ATTACH, attach ? 1 : 0,
1279 DRV_ATTACH_IN_SUBVARIANT_AWARE, EFSYS_OPT_FW_SUBVARIANT_AWARE);
1280 MCDI_IN_SET_DWORD(req, DRV_ATTACH_IN_UPDATE, 1);
1281 MCDI_IN_SET_DWORD(req, DRV_ATTACH_IN_FIRMWARE_ID, enp->efv);
1283 efx_mcdi_execute(enp, &req);
1285 if (req.emr_rc != 0) {
1290 if (req.emr_out_length_used < MC_CMD_DRV_ATTACH_OUT_LEN) {
1300 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1305 __checkReturn efx_rc_t
1306 efx_mcdi_get_board_cfg(
1307 __in efx_nic_t *enp,
1308 __out_opt uint32_t *board_typep,
1309 __out_opt efx_dword_t *capabilitiesp,
1310 __out_ecount_opt(6) uint8_t mac_addrp[6])
1312 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
1314 uint8_t payload[MAX(MC_CMD_GET_BOARD_CFG_IN_LEN,
1315 MC_CMD_GET_BOARD_CFG_OUT_LENMIN)];
1318 (void) memset(payload, 0, sizeof (payload));
1319 req.emr_cmd = MC_CMD_GET_BOARD_CFG;
1320 req.emr_in_buf = payload;
1321 req.emr_in_length = MC_CMD_GET_BOARD_CFG_IN_LEN;
1322 req.emr_out_buf = payload;
1323 req.emr_out_length = MC_CMD_GET_BOARD_CFG_OUT_LENMIN;
1325 efx_mcdi_execute(enp, &req);
1327 if (req.emr_rc != 0) {
1332 if (req.emr_out_length_used < MC_CMD_GET_BOARD_CFG_OUT_LENMIN) {
1337 if (mac_addrp != NULL) {
1340 if (emip->emi_port == 1) {
1341 addrp = MCDI_OUT2(req, uint8_t,
1342 GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT0);
1343 } else if (emip->emi_port == 2) {
1344 addrp = MCDI_OUT2(req, uint8_t,
1345 GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT1);
1351 EFX_MAC_ADDR_COPY(mac_addrp, addrp);
1354 if (capabilitiesp != NULL) {
1355 if (emip->emi_port == 1) {
1356 *capabilitiesp = *MCDI_OUT2(req, efx_dword_t,
1357 GET_BOARD_CFG_OUT_CAPABILITIES_PORT0);
1358 } else if (emip->emi_port == 2) {
1359 *capabilitiesp = *MCDI_OUT2(req, efx_dword_t,
1360 GET_BOARD_CFG_OUT_CAPABILITIES_PORT1);
1367 if (board_typep != NULL) {
1368 *board_typep = MCDI_OUT_DWORD(req,
1369 GET_BOARD_CFG_OUT_BOARD_TYPE);
1381 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1386 __checkReturn efx_rc_t
1387 efx_mcdi_get_resource_limits(
1388 __in efx_nic_t *enp,
1389 __out_opt uint32_t *nevqp,
1390 __out_opt uint32_t *nrxqp,
1391 __out_opt uint32_t *ntxqp)
1394 uint8_t payload[MAX(MC_CMD_GET_RESOURCE_LIMITS_IN_LEN,
1395 MC_CMD_GET_RESOURCE_LIMITS_OUT_LEN)];
1398 (void) memset(payload, 0, sizeof (payload));
1399 req.emr_cmd = MC_CMD_GET_RESOURCE_LIMITS;
1400 req.emr_in_buf = payload;
1401 req.emr_in_length = MC_CMD_GET_RESOURCE_LIMITS_IN_LEN;
1402 req.emr_out_buf = payload;
1403 req.emr_out_length = MC_CMD_GET_RESOURCE_LIMITS_OUT_LEN;
1405 efx_mcdi_execute(enp, &req);
1407 if (req.emr_rc != 0) {
1412 if (req.emr_out_length_used < MC_CMD_GET_RESOURCE_LIMITS_OUT_LEN) {
1418 *nevqp = MCDI_OUT_DWORD(req, GET_RESOURCE_LIMITS_OUT_EVQ);
1420 *nrxqp = MCDI_OUT_DWORD(req, GET_RESOURCE_LIMITS_OUT_RXQ);
1422 *ntxqp = MCDI_OUT_DWORD(req, GET_RESOURCE_LIMITS_OUT_TXQ);
1429 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1434 __checkReturn efx_rc_t
1435 efx_mcdi_get_phy_cfg(
1436 __in efx_nic_t *enp)
1438 efx_port_t *epp = &(enp->en_port);
1439 efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
1441 uint8_t payload[MAX(MC_CMD_GET_PHY_CFG_IN_LEN,
1442 MC_CMD_GET_PHY_CFG_OUT_LEN)];
1447 uint32_t phy_media_type;
1450 (void) memset(payload, 0, sizeof (payload));
1451 req.emr_cmd = MC_CMD_GET_PHY_CFG;
1452 req.emr_in_buf = payload;
1453 req.emr_in_length = MC_CMD_GET_PHY_CFG_IN_LEN;
1454 req.emr_out_buf = payload;
1455 req.emr_out_length = MC_CMD_GET_PHY_CFG_OUT_LEN;
1457 efx_mcdi_execute(enp, &req);
1459 if (req.emr_rc != 0) {
1464 if (req.emr_out_length_used < MC_CMD_GET_PHY_CFG_OUT_LEN) {
1469 encp->enc_phy_type = MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_TYPE);
1471 namep = MCDI_OUT2(req, char, GET_PHY_CFG_OUT_NAME);
1472 namelen = MIN(sizeof (encp->enc_phy_name) - 1,
1473 strnlen(namep, MC_CMD_GET_PHY_CFG_OUT_NAME_LEN));
1474 (void) memset(encp->enc_phy_name, 0,
1475 sizeof (encp->enc_phy_name));
1476 memcpy(encp->enc_phy_name, namep, namelen);
1477 #endif /* EFSYS_OPT_NAMES */
1478 (void) memset(encp->enc_phy_revision, 0,
1479 sizeof (encp->enc_phy_revision));
1480 memcpy(encp->enc_phy_revision,
1481 MCDI_OUT2(req, char, GET_PHY_CFG_OUT_REVISION),
1482 MIN(sizeof (encp->enc_phy_revision) - 1,
1483 MC_CMD_GET_PHY_CFG_OUT_REVISION_LEN));
1484 #if EFSYS_OPT_PHY_LED_CONTROL
1485 encp->enc_led_mask = ((1 << EFX_PHY_LED_DEFAULT) |
1486 (1 << EFX_PHY_LED_OFF) |
1487 (1 << EFX_PHY_LED_ON));
1488 #endif /* EFSYS_OPT_PHY_LED_CONTROL */
1490 /* Get the media type of the fixed port, if recognised. */
1491 EFX_STATIC_ASSERT(MC_CMD_MEDIA_XAUI == EFX_PHY_MEDIA_XAUI);
1492 EFX_STATIC_ASSERT(MC_CMD_MEDIA_CX4 == EFX_PHY_MEDIA_CX4);
1493 EFX_STATIC_ASSERT(MC_CMD_MEDIA_KX4 == EFX_PHY_MEDIA_KX4);
1494 EFX_STATIC_ASSERT(MC_CMD_MEDIA_XFP == EFX_PHY_MEDIA_XFP);
1495 EFX_STATIC_ASSERT(MC_CMD_MEDIA_SFP_PLUS == EFX_PHY_MEDIA_SFP_PLUS);
1496 EFX_STATIC_ASSERT(MC_CMD_MEDIA_BASE_T == EFX_PHY_MEDIA_BASE_T);
1497 EFX_STATIC_ASSERT(MC_CMD_MEDIA_QSFP_PLUS == EFX_PHY_MEDIA_QSFP_PLUS);
1498 phy_media_type = MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_MEDIA_TYPE);
1499 epp->ep_fixed_port_type = (efx_phy_media_type_t)phy_media_type;
1500 if (epp->ep_fixed_port_type >= EFX_PHY_MEDIA_NTYPES)
1501 epp->ep_fixed_port_type = EFX_PHY_MEDIA_INVALID;
1503 epp->ep_phy_cap_mask =
1504 MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_SUPPORTED_CAP);
1505 #if EFSYS_OPT_PHY_FLAGS
1506 encp->enc_phy_flags_mask = MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_FLAGS);
1507 #endif /* EFSYS_OPT_PHY_FLAGS */
1509 encp->enc_port = (uint8_t)MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_PRT);
1511 /* Populate internal state */
1512 encp->enc_mcdi_mdio_channel =
1513 (uint8_t)MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_CHANNEL);
1515 #if EFSYS_OPT_PHY_STATS
1516 encp->enc_mcdi_phy_stat_mask =
1517 MCDI_OUT_DWORD(req, GET_PHY_CFG_OUT_STATS_MASK);
1518 #endif /* EFSYS_OPT_PHY_STATS */
1521 encp->enc_bist_mask = 0;
1522 if (MCDI_OUT_DWORD_FIELD(req, GET_PHY_CFG_OUT_FLAGS,
1523 GET_PHY_CFG_OUT_BIST_CABLE_SHORT))
1524 encp->enc_bist_mask |= (1 << EFX_BIST_TYPE_PHY_CABLE_SHORT);
1525 if (MCDI_OUT_DWORD_FIELD(req, GET_PHY_CFG_OUT_FLAGS,
1526 GET_PHY_CFG_OUT_BIST_CABLE_LONG))
1527 encp->enc_bist_mask |= (1 << EFX_BIST_TYPE_PHY_CABLE_LONG);
1528 if (MCDI_OUT_DWORD_FIELD(req, GET_PHY_CFG_OUT_FLAGS,
1529 GET_PHY_CFG_OUT_BIST))
1530 encp->enc_bist_mask |= (1 << EFX_BIST_TYPE_PHY_NORMAL);
1531 #endif /* EFSYS_OPT_BIST */
1538 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1543 __checkReturn efx_rc_t
1544 efx_mcdi_firmware_update_supported(
1545 __in efx_nic_t *enp,
1546 __out boolean_t *supportedp)
1548 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
1551 if (emcop != NULL) {
1552 if ((rc = emcop->emco_feature_supported(enp,
1553 EFX_MCDI_FEATURE_FW_UPDATE, supportedp)) != 0)
1556 /* Earlier devices always supported updates */
1557 *supportedp = B_TRUE;
1563 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1568 __checkReturn efx_rc_t
1569 efx_mcdi_macaddr_change_supported(
1570 __in efx_nic_t *enp,
1571 __out boolean_t *supportedp)
1573 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
1576 if (emcop != NULL) {
1577 if ((rc = emcop->emco_feature_supported(enp,
1578 EFX_MCDI_FEATURE_MACADDR_CHANGE, supportedp)) != 0)
1581 /* Earlier devices always supported MAC changes */
1582 *supportedp = B_TRUE;
1588 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1593 __checkReturn efx_rc_t
1594 efx_mcdi_link_control_supported(
1595 __in efx_nic_t *enp,
1596 __out boolean_t *supportedp)
1598 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
1601 if (emcop != NULL) {
1602 if ((rc = emcop->emco_feature_supported(enp,
1603 EFX_MCDI_FEATURE_LINK_CONTROL, supportedp)) != 0)
1606 /* Earlier devices always supported link control */
1607 *supportedp = B_TRUE;
1613 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1618 __checkReturn efx_rc_t
1619 efx_mcdi_mac_spoofing_supported(
1620 __in efx_nic_t *enp,
1621 __out boolean_t *supportedp)
1623 const efx_mcdi_ops_t *emcop = enp->en_mcdi.em_emcop;
1626 if (emcop != NULL) {
1627 if ((rc = emcop->emco_feature_supported(enp,
1628 EFX_MCDI_FEATURE_MAC_SPOOFING, supportedp)) != 0)
1631 /* Earlier devices always supported MAC spoofing */
1632 *supportedp = B_TRUE;
1638 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1645 #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2
1647 * Enter bist offline mode. This is a fw mode which puts the NIC into a state
1648 * where memory BIST tests can be run and not much else can interfere or happen.
1649 * A reboot is required to exit this mode.
1651 __checkReturn efx_rc_t
1652 efx_mcdi_bist_enable_offline(
1653 __in efx_nic_t *enp)
1658 EFX_STATIC_ASSERT(MC_CMD_ENABLE_OFFLINE_BIST_IN_LEN == 0);
1659 EFX_STATIC_ASSERT(MC_CMD_ENABLE_OFFLINE_BIST_OUT_LEN == 0);
1661 req.emr_cmd = MC_CMD_ENABLE_OFFLINE_BIST;
1662 req.emr_in_buf = NULL;
1663 req.emr_in_length = 0;
1664 req.emr_out_buf = NULL;
1665 req.emr_out_length = 0;
1667 efx_mcdi_execute(enp, &req);
1669 if (req.emr_rc != 0) {
1677 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1681 #endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 */
1683 __checkReturn efx_rc_t
1684 efx_mcdi_bist_start(
1685 __in efx_nic_t *enp,
1686 __in efx_bist_type_t type)
1689 uint8_t payload[MAX(MC_CMD_START_BIST_IN_LEN,
1690 MC_CMD_START_BIST_OUT_LEN)];
1693 (void) memset(payload, 0, sizeof (payload));
1694 req.emr_cmd = MC_CMD_START_BIST;
1695 req.emr_in_buf = payload;
1696 req.emr_in_length = MC_CMD_START_BIST_IN_LEN;
1697 req.emr_out_buf = payload;
1698 req.emr_out_length = MC_CMD_START_BIST_OUT_LEN;
1701 case EFX_BIST_TYPE_PHY_NORMAL:
1702 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE, MC_CMD_PHY_BIST);
1704 case EFX_BIST_TYPE_PHY_CABLE_SHORT:
1705 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE,
1706 MC_CMD_PHY_BIST_CABLE_SHORT);
1708 case EFX_BIST_TYPE_PHY_CABLE_LONG:
1709 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE,
1710 MC_CMD_PHY_BIST_CABLE_LONG);
1712 case EFX_BIST_TYPE_MC_MEM:
1713 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE,
1714 MC_CMD_MC_MEM_BIST);
1716 case EFX_BIST_TYPE_SAT_MEM:
1717 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE,
1718 MC_CMD_PORT_MEM_BIST);
1720 case EFX_BIST_TYPE_REG:
1721 MCDI_IN_SET_DWORD(req, START_BIST_IN_TYPE,
1728 efx_mcdi_execute(enp, &req);
1730 if (req.emr_rc != 0) {
1738 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1743 #endif /* EFSYS_OPT_BIST */
1746 /* Enable logging of some events (e.g. link state changes) */
1747 __checkReturn efx_rc_t
1749 __in efx_nic_t *enp)
1752 uint8_t payload[MAX(MC_CMD_LOG_CTRL_IN_LEN,
1753 MC_CMD_LOG_CTRL_OUT_LEN)];
1756 (void) memset(payload, 0, sizeof (payload));
1757 req.emr_cmd = MC_CMD_LOG_CTRL;
1758 req.emr_in_buf = payload;
1759 req.emr_in_length = MC_CMD_LOG_CTRL_IN_LEN;
1760 req.emr_out_buf = payload;
1761 req.emr_out_length = MC_CMD_LOG_CTRL_OUT_LEN;
1763 MCDI_IN_SET_DWORD(req, LOG_CTRL_IN_LOG_DEST,
1764 MC_CMD_LOG_CTRL_IN_LOG_DEST_EVQ);
1765 MCDI_IN_SET_DWORD(req, LOG_CTRL_IN_LOG_DEST_EVQ, 0);
1767 efx_mcdi_execute(enp, &req);
1769 if (req.emr_rc != 0) {
1777 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1783 #if EFSYS_OPT_MAC_STATS
1785 typedef enum efx_stats_action_e {
1788 EFX_STATS_ENABLE_NOEVENTS,
1789 EFX_STATS_ENABLE_EVENTS,
1791 } efx_stats_action_t;
1793 static __checkReturn efx_rc_t
1795 __in efx_nic_t *enp,
1796 __in_opt efsys_mem_t *esmp,
1797 __in efx_stats_action_t action,
1798 __in uint16_t period_ms)
1801 uint8_t payload[MAX(MC_CMD_MAC_STATS_IN_LEN,
1802 MC_CMD_MAC_STATS_V2_OUT_DMA_LEN)];
1803 int clear = (action == EFX_STATS_CLEAR);
1804 int upload = (action == EFX_STATS_UPLOAD);
1805 int enable = (action == EFX_STATS_ENABLE_NOEVENTS);
1806 int events = (action == EFX_STATS_ENABLE_EVENTS);
1807 int disable = (action == EFX_STATS_DISABLE);
1810 (void) memset(payload, 0, sizeof (payload));
1811 req.emr_cmd = MC_CMD_MAC_STATS;
1812 req.emr_in_buf = payload;
1813 req.emr_in_length = MC_CMD_MAC_STATS_IN_LEN;
1814 req.emr_out_buf = payload;
1815 req.emr_out_length = MC_CMD_MAC_STATS_V2_OUT_DMA_LEN;
1817 MCDI_IN_POPULATE_DWORD_6(req, MAC_STATS_IN_CMD,
1818 MAC_STATS_IN_DMA, upload,
1819 MAC_STATS_IN_CLEAR, clear,
1820 MAC_STATS_IN_PERIODIC_CHANGE, enable | events | disable,
1821 MAC_STATS_IN_PERIODIC_ENABLE, enable | events,
1822 MAC_STATS_IN_PERIODIC_NOEVENT, !events,
1823 MAC_STATS_IN_PERIOD_MS, (enable | events) ? period_ms : 0);
1825 if (enable || events || upload) {
1826 const efx_nic_cfg_t *encp = &enp->en_nic_cfg;
1829 /* Periodic stats or stats upload require a DMA buffer */
1835 if (encp->enc_mac_stats_nstats < MC_CMD_MAC_NSTATS) {
1836 /* MAC stats count too small for legacy MAC stats */
1841 bytes = encp->enc_mac_stats_nstats * sizeof (efx_qword_t);
1843 if (EFSYS_MEM_SIZE(esmp) < bytes) {
1844 /* DMA buffer too small */
1849 MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_ADDR_LO,
1850 EFSYS_MEM_ADDR(esmp) & 0xffffffff);
1851 MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_ADDR_HI,
1852 EFSYS_MEM_ADDR(esmp) >> 32);
1853 MCDI_IN_SET_DWORD(req, MAC_STATS_IN_DMA_LEN, bytes);
1857 * NOTE: Do not use EVB_PORT_ID_ASSIGNED when disabling periodic stats,
1858 * as this may fail (and leave periodic DMA enabled) if the
1859 * vadapter has already been deleted.
1861 MCDI_IN_SET_DWORD(req, MAC_STATS_IN_PORT_ID,
1862 (disable ? EVB_PORT_ID_NULL : enp->en_vport_id));
1864 efx_mcdi_execute(enp, &req);
1866 if (req.emr_rc != 0) {
1867 /* EF10: Expect ENOENT if no DMA queues are initialised */
1868 if ((req.emr_rc != ENOENT) ||
1869 (enp->en_rx_qcount + enp->en_tx_qcount != 0)) {
1884 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1889 __checkReturn efx_rc_t
1890 efx_mcdi_mac_stats_clear(
1891 __in efx_nic_t *enp)
1895 if ((rc = efx_mcdi_mac_stats(enp, NULL, EFX_STATS_CLEAR, 0)) != 0)
1901 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1906 __checkReturn efx_rc_t
1907 efx_mcdi_mac_stats_upload(
1908 __in efx_nic_t *enp,
1909 __in efsys_mem_t *esmp)
1914 * The MC DMAs aggregate statistics for our convenience, so we can
1915 * avoid having to pull the statistics buffer into the cache to
1916 * maintain cumulative statistics.
1918 if ((rc = efx_mcdi_mac_stats(enp, esmp, EFX_STATS_UPLOAD, 0)) != 0)
1924 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1929 __checkReturn efx_rc_t
1930 efx_mcdi_mac_stats_periodic(
1931 __in efx_nic_t *enp,
1932 __in efsys_mem_t *esmp,
1933 __in uint16_t period_ms,
1934 __in boolean_t events)
1939 * The MC DMAs aggregate statistics for our convenience, so we can
1940 * avoid having to pull the statistics buffer into the cache to
1941 * maintain cumulative statistics.
1942 * Huntington uses a fixed 1sec period.
1943 * Medford uses a fixed 1sec period before v6.2.1.1033 firmware.
1946 rc = efx_mcdi_mac_stats(enp, NULL, EFX_STATS_DISABLE, 0);
1948 rc = efx_mcdi_mac_stats(enp, esmp, EFX_STATS_ENABLE_EVENTS,
1951 rc = efx_mcdi_mac_stats(enp, esmp, EFX_STATS_ENABLE_NOEVENTS,
1960 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1965 #endif /* EFSYS_OPT_MAC_STATS */
1967 #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2
1970 * This function returns the pf and vf number of a function. If it is a pf the
1971 * vf number is 0xffff. The vf number is the index of the vf on that
1972 * function. So if you have 3 vfs on pf 0 the 3 vfs will return (pf=0,vf=0),
1973 * (pf=0,vf=1), (pf=0,vf=2) aand the pf will return (pf=0, vf=0xffff).
1975 __checkReturn efx_rc_t
1976 efx_mcdi_get_function_info(
1977 __in efx_nic_t *enp,
1978 __out uint32_t *pfp,
1979 __out_opt uint32_t *vfp)
1982 uint8_t payload[MAX(MC_CMD_GET_FUNCTION_INFO_IN_LEN,
1983 MC_CMD_GET_FUNCTION_INFO_OUT_LEN)];
1986 (void) memset(payload, 0, sizeof (payload));
1987 req.emr_cmd = MC_CMD_GET_FUNCTION_INFO;
1988 req.emr_in_buf = payload;
1989 req.emr_in_length = MC_CMD_GET_FUNCTION_INFO_IN_LEN;
1990 req.emr_out_buf = payload;
1991 req.emr_out_length = MC_CMD_GET_FUNCTION_INFO_OUT_LEN;
1993 efx_mcdi_execute(enp, &req);
1995 if (req.emr_rc != 0) {
2000 if (req.emr_out_length_used < MC_CMD_GET_FUNCTION_INFO_OUT_LEN) {
2005 *pfp = MCDI_OUT_DWORD(req, GET_FUNCTION_INFO_OUT_PF);
2007 *vfp = MCDI_OUT_DWORD(req, GET_FUNCTION_INFO_OUT_VF);
2014 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2019 __checkReturn efx_rc_t
2020 efx_mcdi_privilege_mask(
2021 __in efx_nic_t *enp,
2024 __out uint32_t *maskp)
2027 uint8_t payload[MAX(MC_CMD_PRIVILEGE_MASK_IN_LEN,
2028 MC_CMD_PRIVILEGE_MASK_OUT_LEN)];
2031 (void) memset(payload, 0, sizeof (payload));
2032 req.emr_cmd = MC_CMD_PRIVILEGE_MASK;
2033 req.emr_in_buf = payload;
2034 req.emr_in_length = MC_CMD_PRIVILEGE_MASK_IN_LEN;
2035 req.emr_out_buf = payload;
2036 req.emr_out_length = MC_CMD_PRIVILEGE_MASK_OUT_LEN;
2038 MCDI_IN_POPULATE_DWORD_2(req, PRIVILEGE_MASK_IN_FUNCTION,
2039 PRIVILEGE_MASK_IN_FUNCTION_PF, pf,
2040 PRIVILEGE_MASK_IN_FUNCTION_VF, vf);
2042 efx_mcdi_execute(enp, &req);
2044 if (req.emr_rc != 0) {
2049 if (req.emr_out_length_used < MC_CMD_PRIVILEGE_MASK_OUT_LEN) {
2054 *maskp = MCDI_OUT_DWORD(req, PRIVILEGE_MASK_OUT_OLD_MASK);
2061 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2066 #endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 */
2068 __checkReturn efx_rc_t
2069 efx_mcdi_set_workaround(
2070 __in efx_nic_t *enp,
2072 __in boolean_t enabled,
2073 __out_opt uint32_t *flagsp)
2076 uint8_t payload[MAX(MC_CMD_WORKAROUND_IN_LEN,
2077 MC_CMD_WORKAROUND_EXT_OUT_LEN)];
2080 (void) memset(payload, 0, sizeof (payload));
2081 req.emr_cmd = MC_CMD_WORKAROUND;
2082 req.emr_in_buf = payload;
2083 req.emr_in_length = MC_CMD_WORKAROUND_IN_LEN;
2084 req.emr_out_buf = payload;
2085 req.emr_out_length = MC_CMD_WORKAROUND_OUT_LEN;
2087 MCDI_IN_SET_DWORD(req, WORKAROUND_IN_TYPE, type);
2088 MCDI_IN_SET_DWORD(req, WORKAROUND_IN_ENABLED, enabled ? 1 : 0);
2090 efx_mcdi_execute_quiet(enp, &req);
2092 if (req.emr_rc != 0) {
2097 if (flagsp != NULL) {
2098 if (req.emr_out_length_used >= MC_CMD_WORKAROUND_EXT_OUT_LEN)
2099 *flagsp = MCDI_OUT_DWORD(req, WORKAROUND_EXT_OUT_FLAGS);
2107 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2113 __checkReturn efx_rc_t
2114 efx_mcdi_get_workarounds(
2115 __in efx_nic_t *enp,
2116 __out_opt uint32_t *implementedp,
2117 __out_opt uint32_t *enabledp)
2120 uint8_t payload[MC_CMD_GET_WORKAROUNDS_OUT_LEN];
2123 (void) memset(payload, 0, sizeof (payload));
2124 req.emr_cmd = MC_CMD_GET_WORKAROUNDS;
2125 req.emr_in_buf = NULL;
2126 req.emr_in_length = 0;
2127 req.emr_out_buf = payload;
2128 req.emr_out_length = MC_CMD_GET_WORKAROUNDS_OUT_LEN;
2130 efx_mcdi_execute(enp, &req);
2132 if (req.emr_rc != 0) {
2137 if (implementedp != NULL) {
2139 MCDI_OUT_DWORD(req, GET_WORKAROUNDS_OUT_IMPLEMENTED);
2142 if (enabledp != NULL) {
2143 *enabledp = MCDI_OUT_DWORD(req, GET_WORKAROUNDS_OUT_ENABLED);
2149 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2155 * Size of media information page in accordance with SFF-8472 and SFF-8436.
2156 * It is used in MCDI interface as well.
2158 #define EFX_PHY_MEDIA_INFO_PAGE_SIZE 0x80
2160 static __checkReturn efx_rc_t
2161 efx_mcdi_get_phy_media_info(
2162 __in efx_nic_t *enp,
2163 __in uint32_t mcdi_page,
2164 __in uint8_t offset,
2166 __out_bcount(len) uint8_t *data)
2169 uint8_t payload[MAX(MC_CMD_GET_PHY_MEDIA_INFO_IN_LEN,
2170 MC_CMD_GET_PHY_MEDIA_INFO_OUT_LEN(
2171 EFX_PHY_MEDIA_INFO_PAGE_SIZE))];
2174 EFSYS_ASSERT((uint32_t)offset + len <= EFX_PHY_MEDIA_INFO_PAGE_SIZE);
2176 (void) memset(payload, 0, sizeof (payload));
2177 req.emr_cmd = MC_CMD_GET_PHY_MEDIA_INFO;
2178 req.emr_in_buf = payload;
2179 req.emr_in_length = MC_CMD_GET_PHY_MEDIA_INFO_IN_LEN;
2180 req.emr_out_buf = payload;
2181 req.emr_out_length =
2182 MC_CMD_GET_PHY_MEDIA_INFO_OUT_LEN(EFX_PHY_MEDIA_INFO_PAGE_SIZE);
2184 MCDI_IN_SET_DWORD(req, GET_PHY_MEDIA_INFO_IN_PAGE, mcdi_page);
2186 efx_mcdi_execute(enp, &req);
2188 if (req.emr_rc != 0) {
2193 if (req.emr_out_length_used !=
2194 MC_CMD_GET_PHY_MEDIA_INFO_OUT_LEN(EFX_PHY_MEDIA_INFO_PAGE_SIZE)) {
2199 if (MCDI_OUT_DWORD(req, GET_PHY_MEDIA_INFO_OUT_DATALEN) !=
2200 EFX_PHY_MEDIA_INFO_PAGE_SIZE) {
2206 MCDI_OUT2(req, uint8_t, GET_PHY_MEDIA_INFO_OUT_DATA) + offset,
2216 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2222 * 2-wire device address of the base information in accordance with SFF-8472
2223 * Diagnostic Monitoring Interface for Optical Transceivers section
2224 * 4 Memory Organization.
2226 #define EFX_PHY_MEDIA_INFO_DEV_ADDR_SFP_BASE 0xA0
2229 * 2-wire device address of the digital diagnostics monitoring interface
2230 * in accordance with SFF-8472 Diagnostic Monitoring Interface for Optical
2231 * Transceivers section 4 Memory Organization.
2233 #define EFX_PHY_MEDIA_INFO_DEV_ADDR_SFP_DDM 0xA2
2236 * Hard wired 2-wire device address for QSFP+ in accordance with SFF-8436
2237 * QSFP+ 10 Gbs 4X PLUGGABLE TRANSCEIVER section 7.4 Device Addressing and
2240 #define EFX_PHY_MEDIA_INFO_DEV_ADDR_QSFP 0xA0
2242 __checkReturn efx_rc_t
2243 efx_mcdi_phy_module_get_info(
2244 __in efx_nic_t *enp,
2245 __in uint8_t dev_addr,
2246 __in uint8_t offset,
2248 __out_bcount(len) uint8_t *data)
2250 efx_port_t *epp = &(enp->en_port);
2252 uint32_t mcdi_lower_page;
2253 uint32_t mcdi_upper_page;
2255 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
2258 * Map device address to MC_CMD_GET_PHY_MEDIA_INFO pages.
2259 * Offset plus length interface allows to access page 0 only.
2260 * I.e. non-zero upper pages are not accessible.
2261 * See SFF-8472 section 4 Memory Organization and SFF-8436 section 7.6
2262 * QSFP+ Memory Map for details on how information is structured
2265 switch (epp->ep_fixed_port_type) {
2266 case EFX_PHY_MEDIA_SFP_PLUS:
2268 * In accordance with SFF-8472 Diagnostic Monitoring
2269 * Interface for Optical Transceivers section 4 Memory
2270 * Organization two 2-wire addresses are defined.
2273 /* Base information */
2274 case EFX_PHY_MEDIA_INFO_DEV_ADDR_SFP_BASE:
2276 * MCDI page 0 should be used to access lower
2277 * page 0 (0x00 - 0x7f) at the device address 0xA0.
2279 mcdi_lower_page = 0;
2281 * MCDI page 1 should be used to access upper
2282 * page 0 (0x80 - 0xff) at the device address 0xA0.
2284 mcdi_upper_page = 1;
2287 case EFX_PHY_MEDIA_INFO_DEV_ADDR_SFP_DDM:
2289 * MCDI page 2 should be used to access lower
2290 * page 0 (0x00 - 0x7f) at the device address 0xA2.
2292 mcdi_lower_page = 2;
2294 * MCDI page 3 should be used to access upper
2295 * page 0 (0x80 - 0xff) at the device address 0xA2.
2297 mcdi_upper_page = 3;
2304 case EFX_PHY_MEDIA_QSFP_PLUS:
2306 case EFX_PHY_MEDIA_INFO_DEV_ADDR_QSFP:
2308 * MCDI page -1 should be used to access lower page 0
2311 mcdi_lower_page = (uint32_t)-1;
2313 * MCDI page 0 should be used to access upper page 0
2316 mcdi_upper_page = 0;
2328 if (offset < EFX_PHY_MEDIA_INFO_PAGE_SIZE) {
2330 MIN(len, EFX_PHY_MEDIA_INFO_PAGE_SIZE - offset);
2332 rc = efx_mcdi_get_phy_media_info(enp,
2333 mcdi_lower_page, offset, read_len, data);
2342 offset -= EFX_PHY_MEDIA_INFO_PAGE_SIZE;
2346 EFSYS_ASSERT3U(len, <=, EFX_PHY_MEDIA_INFO_PAGE_SIZE);
2347 EFSYS_ASSERT3U(offset, <, EFX_PHY_MEDIA_INFO_PAGE_SIZE);
2349 rc = efx_mcdi_get_phy_media_info(enp,
2350 mcdi_upper_page, offset, len, data);
2362 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2367 #endif /* EFSYS_OPT_MCDI */