1 /* SPDX-License-Identifier: BSD-3-Clause
3 * Copyright (c) 2012-2018 Solarflare Communications Inc.
13 #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2
15 #include "ef10_tlv_layout.h"
17 __checkReturn efx_rc_t
18 efx_mcdi_get_port_assignment(
20 __out uint32_t *portp)
23 uint8_t payload[MAX(MC_CMD_GET_PORT_ASSIGNMENT_IN_LEN,
24 MC_CMD_GET_PORT_ASSIGNMENT_OUT_LEN)];
27 EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
28 enp->en_family == EFX_FAMILY_MEDFORD ||
29 enp->en_family == EFX_FAMILY_MEDFORD2);
31 (void) memset(payload, 0, sizeof (payload));
32 req.emr_cmd = MC_CMD_GET_PORT_ASSIGNMENT;
33 req.emr_in_buf = payload;
34 req.emr_in_length = MC_CMD_GET_PORT_ASSIGNMENT_IN_LEN;
35 req.emr_out_buf = payload;
36 req.emr_out_length = MC_CMD_GET_PORT_ASSIGNMENT_OUT_LEN;
38 efx_mcdi_execute(enp, &req);
40 if (req.emr_rc != 0) {
45 if (req.emr_out_length_used < MC_CMD_GET_PORT_ASSIGNMENT_OUT_LEN) {
50 *portp = MCDI_OUT_DWORD(req, GET_PORT_ASSIGNMENT_OUT_PORT);
57 EFSYS_PROBE1(fail1, efx_rc_t, rc);
62 __checkReturn efx_rc_t
63 efx_mcdi_get_port_modes(
65 __out uint32_t *modesp,
66 __out_opt uint32_t *current_modep)
69 uint8_t payload[MAX(MC_CMD_GET_PORT_MODES_IN_LEN,
70 MC_CMD_GET_PORT_MODES_OUT_LEN)];
73 EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
74 enp->en_family == EFX_FAMILY_MEDFORD ||
75 enp->en_family == EFX_FAMILY_MEDFORD2);
77 (void) memset(payload, 0, sizeof (payload));
78 req.emr_cmd = MC_CMD_GET_PORT_MODES;
79 req.emr_in_buf = payload;
80 req.emr_in_length = MC_CMD_GET_PORT_MODES_IN_LEN;
81 req.emr_out_buf = payload;
82 req.emr_out_length = MC_CMD_GET_PORT_MODES_OUT_LEN;
84 efx_mcdi_execute(enp, &req);
86 if (req.emr_rc != 0) {
92 * Require only Modes and DefaultMode fields, unless the current mode
93 * was requested (CurrentMode field was added for Medford).
95 if (req.emr_out_length_used <
96 MC_CMD_GET_PORT_MODES_OUT_CURRENT_MODE_OFST) {
100 if ((current_modep != NULL) && (req.emr_out_length_used <
101 MC_CMD_GET_PORT_MODES_OUT_CURRENT_MODE_OFST + 4)) {
106 *modesp = MCDI_OUT_DWORD(req, GET_PORT_MODES_OUT_MODES);
108 if (current_modep != NULL) {
109 *current_modep = MCDI_OUT_DWORD(req,
110 GET_PORT_MODES_OUT_CURRENT_MODE);
120 EFSYS_PROBE1(fail1, efx_rc_t, rc);
125 __checkReturn efx_rc_t
126 ef10_nic_get_port_mode_bandwidth(
127 __in uint32_t port_mode,
128 __out uint32_t *bandwidth_mbpsp)
134 case TLV_PORT_MODE_10G:
137 case TLV_PORT_MODE_10G_10G:
138 bandwidth = 10000 * 2;
140 case TLV_PORT_MODE_10G_10G_10G_10G:
141 case TLV_PORT_MODE_10G_10G_10G_10G_Q:
142 case TLV_PORT_MODE_10G_10G_10G_10G_Q1_Q2:
143 case TLV_PORT_MODE_10G_10G_10G_10G_Q2:
144 bandwidth = 10000 * 4;
146 case TLV_PORT_MODE_40G:
149 case TLV_PORT_MODE_40G_40G:
150 bandwidth = 40000 * 2;
152 case TLV_PORT_MODE_40G_10G_10G:
153 case TLV_PORT_MODE_10G_10G_40G:
154 bandwidth = 40000 + (10000 * 2);
161 *bandwidth_mbpsp = bandwidth;
166 EFSYS_PROBE1(fail1, efx_rc_t, rc);
171 static __checkReturn efx_rc_t
172 efx_mcdi_vadaptor_alloc(
174 __in uint32_t port_id)
177 uint8_t payload[MAX(MC_CMD_VADAPTOR_ALLOC_IN_LEN,
178 MC_CMD_VADAPTOR_ALLOC_OUT_LEN)];
181 EFSYS_ASSERT3U(enp->en_vport_id, ==, EVB_PORT_ID_NULL);
183 (void) memset(payload, 0, sizeof (payload));
184 req.emr_cmd = MC_CMD_VADAPTOR_ALLOC;
185 req.emr_in_buf = payload;
186 req.emr_in_length = MC_CMD_VADAPTOR_ALLOC_IN_LEN;
187 req.emr_out_buf = payload;
188 req.emr_out_length = MC_CMD_VADAPTOR_ALLOC_OUT_LEN;
190 MCDI_IN_SET_DWORD(req, VADAPTOR_ALLOC_IN_UPSTREAM_PORT_ID, port_id);
191 MCDI_IN_POPULATE_DWORD_1(req, VADAPTOR_ALLOC_IN_FLAGS,
192 VADAPTOR_ALLOC_IN_FLAG_PERMIT_SET_MAC_WHEN_FILTERS_INSTALLED,
193 enp->en_nic_cfg.enc_allow_set_mac_with_installed_filters ? 1 : 0);
195 efx_mcdi_execute(enp, &req);
197 if (req.emr_rc != 0) {
205 EFSYS_PROBE1(fail1, efx_rc_t, rc);
210 static __checkReturn efx_rc_t
211 efx_mcdi_vadaptor_free(
213 __in uint32_t port_id)
216 uint8_t payload[MAX(MC_CMD_VADAPTOR_FREE_IN_LEN,
217 MC_CMD_VADAPTOR_FREE_OUT_LEN)];
220 (void) memset(payload, 0, sizeof (payload));
221 req.emr_cmd = MC_CMD_VADAPTOR_FREE;
222 req.emr_in_buf = payload;
223 req.emr_in_length = MC_CMD_VADAPTOR_FREE_IN_LEN;
224 req.emr_out_buf = payload;
225 req.emr_out_length = MC_CMD_VADAPTOR_FREE_OUT_LEN;
227 MCDI_IN_SET_DWORD(req, VADAPTOR_FREE_IN_UPSTREAM_PORT_ID, port_id);
229 efx_mcdi_execute(enp, &req);
231 if (req.emr_rc != 0) {
239 EFSYS_PROBE1(fail1, efx_rc_t, rc);
244 __checkReturn efx_rc_t
245 efx_mcdi_get_mac_address_pf(
247 __out_ecount_opt(6) uint8_t mac_addrp[6])
250 uint8_t payload[MAX(MC_CMD_GET_MAC_ADDRESSES_IN_LEN,
251 MC_CMD_GET_MAC_ADDRESSES_OUT_LEN)];
254 EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
255 enp->en_family == EFX_FAMILY_MEDFORD ||
256 enp->en_family == EFX_FAMILY_MEDFORD2);
258 (void) memset(payload, 0, sizeof (payload));
259 req.emr_cmd = MC_CMD_GET_MAC_ADDRESSES;
260 req.emr_in_buf = payload;
261 req.emr_in_length = MC_CMD_GET_MAC_ADDRESSES_IN_LEN;
262 req.emr_out_buf = payload;
263 req.emr_out_length = MC_CMD_GET_MAC_ADDRESSES_OUT_LEN;
265 efx_mcdi_execute(enp, &req);
267 if (req.emr_rc != 0) {
272 if (req.emr_out_length_used < MC_CMD_GET_MAC_ADDRESSES_OUT_LEN) {
277 if (MCDI_OUT_DWORD(req, GET_MAC_ADDRESSES_OUT_MAC_COUNT) < 1) {
282 if (mac_addrp != NULL) {
285 addrp = MCDI_OUT2(req, uint8_t,
286 GET_MAC_ADDRESSES_OUT_MAC_ADDR_BASE);
288 EFX_MAC_ADDR_COPY(mac_addrp, addrp);
298 EFSYS_PROBE1(fail1, efx_rc_t, rc);
303 __checkReturn efx_rc_t
304 efx_mcdi_get_mac_address_vf(
306 __out_ecount_opt(6) uint8_t mac_addrp[6])
309 uint8_t payload[MAX(MC_CMD_VPORT_GET_MAC_ADDRESSES_IN_LEN,
310 MC_CMD_VPORT_GET_MAC_ADDRESSES_OUT_LENMAX)];
313 EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
314 enp->en_family == EFX_FAMILY_MEDFORD ||
315 enp->en_family == EFX_FAMILY_MEDFORD2);
317 (void) memset(payload, 0, sizeof (payload));
318 req.emr_cmd = MC_CMD_VPORT_GET_MAC_ADDRESSES;
319 req.emr_in_buf = payload;
320 req.emr_in_length = MC_CMD_VPORT_GET_MAC_ADDRESSES_IN_LEN;
321 req.emr_out_buf = payload;
322 req.emr_out_length = MC_CMD_VPORT_GET_MAC_ADDRESSES_OUT_LENMAX;
324 MCDI_IN_SET_DWORD(req, VPORT_GET_MAC_ADDRESSES_IN_VPORT_ID,
325 EVB_PORT_ID_ASSIGNED);
327 efx_mcdi_execute(enp, &req);
329 if (req.emr_rc != 0) {
334 if (req.emr_out_length_used <
335 MC_CMD_VPORT_GET_MAC_ADDRESSES_OUT_LENMIN) {
340 if (MCDI_OUT_DWORD(req,
341 VPORT_GET_MAC_ADDRESSES_OUT_MACADDR_COUNT) < 1) {
346 if (mac_addrp != NULL) {
349 addrp = MCDI_OUT2(req, uint8_t,
350 VPORT_GET_MAC_ADDRESSES_OUT_MACADDR);
352 EFX_MAC_ADDR_COPY(mac_addrp, addrp);
362 EFSYS_PROBE1(fail1, efx_rc_t, rc);
367 __checkReturn efx_rc_t
370 __out uint32_t *sys_freqp,
371 __out uint32_t *dpcpu_freqp)
374 uint8_t payload[MAX(MC_CMD_GET_CLOCK_IN_LEN,
375 MC_CMD_GET_CLOCK_OUT_LEN)];
378 EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
379 enp->en_family == EFX_FAMILY_MEDFORD ||
380 enp->en_family == EFX_FAMILY_MEDFORD2);
382 (void) memset(payload, 0, sizeof (payload));
383 req.emr_cmd = MC_CMD_GET_CLOCK;
384 req.emr_in_buf = payload;
385 req.emr_in_length = MC_CMD_GET_CLOCK_IN_LEN;
386 req.emr_out_buf = payload;
387 req.emr_out_length = MC_CMD_GET_CLOCK_OUT_LEN;
389 efx_mcdi_execute(enp, &req);
391 if (req.emr_rc != 0) {
396 if (req.emr_out_length_used < MC_CMD_GET_CLOCK_OUT_LEN) {
401 *sys_freqp = MCDI_OUT_DWORD(req, GET_CLOCK_OUT_SYS_FREQ);
402 if (*sys_freqp == 0) {
406 *dpcpu_freqp = MCDI_OUT_DWORD(req, GET_CLOCK_OUT_DPCPU_FREQ);
407 if (*dpcpu_freqp == 0) {
421 EFSYS_PROBE1(fail1, efx_rc_t, rc);
426 __checkReturn efx_rc_t
427 efx_mcdi_get_rxdp_config(
429 __out uint32_t *end_paddingp)
432 uint8_t payload[MAX(MC_CMD_GET_RXDP_CONFIG_IN_LEN,
433 MC_CMD_GET_RXDP_CONFIG_OUT_LEN)];
434 uint32_t end_padding;
437 memset(payload, 0, sizeof (payload));
438 req.emr_cmd = MC_CMD_GET_RXDP_CONFIG;
439 req.emr_in_buf = payload;
440 req.emr_in_length = MC_CMD_GET_RXDP_CONFIG_IN_LEN;
441 req.emr_out_buf = payload;
442 req.emr_out_length = MC_CMD_GET_RXDP_CONFIG_OUT_LEN;
444 efx_mcdi_execute(enp, &req);
445 if (req.emr_rc != 0) {
450 if (MCDI_OUT_DWORD_FIELD(req, GET_RXDP_CONFIG_OUT_DATA,
451 GET_RXDP_CONFIG_OUT_PAD_HOST_DMA) == 0) {
452 /* RX DMA end padding is disabled */
455 switch (MCDI_OUT_DWORD_FIELD(req, GET_RXDP_CONFIG_OUT_DATA,
456 GET_RXDP_CONFIG_OUT_PAD_HOST_LEN)) {
457 case MC_CMD_SET_RXDP_CONFIG_IN_PAD_HOST_64:
460 case MC_CMD_SET_RXDP_CONFIG_IN_PAD_HOST_128:
463 case MC_CMD_SET_RXDP_CONFIG_IN_PAD_HOST_256:
472 *end_paddingp = end_padding;
479 EFSYS_PROBE1(fail1, efx_rc_t, rc);
484 __checkReturn efx_rc_t
485 efx_mcdi_get_vector_cfg(
487 __out_opt uint32_t *vec_basep,
488 __out_opt uint32_t *pf_nvecp,
489 __out_opt uint32_t *vf_nvecp)
492 uint8_t payload[MAX(MC_CMD_GET_VECTOR_CFG_IN_LEN,
493 MC_CMD_GET_VECTOR_CFG_OUT_LEN)];
496 (void) memset(payload, 0, sizeof (payload));
497 req.emr_cmd = MC_CMD_GET_VECTOR_CFG;
498 req.emr_in_buf = payload;
499 req.emr_in_length = MC_CMD_GET_VECTOR_CFG_IN_LEN;
500 req.emr_out_buf = payload;
501 req.emr_out_length = MC_CMD_GET_VECTOR_CFG_OUT_LEN;
503 efx_mcdi_execute(enp, &req);
505 if (req.emr_rc != 0) {
510 if (req.emr_out_length_used < MC_CMD_GET_VECTOR_CFG_OUT_LEN) {
515 if (vec_basep != NULL)
516 *vec_basep = MCDI_OUT_DWORD(req, GET_VECTOR_CFG_OUT_VEC_BASE);
517 if (pf_nvecp != NULL)
518 *pf_nvecp = MCDI_OUT_DWORD(req, GET_VECTOR_CFG_OUT_VECS_PER_PF);
519 if (vf_nvecp != NULL)
520 *vf_nvecp = MCDI_OUT_DWORD(req, GET_VECTOR_CFG_OUT_VECS_PER_VF);
527 EFSYS_PROBE1(fail1, efx_rc_t, rc);
532 static __checkReturn efx_rc_t
535 __in uint32_t min_vi_count,
536 __in uint32_t max_vi_count,
537 __out uint32_t *vi_basep,
538 __out uint32_t *vi_countp,
539 __out uint32_t *vi_shiftp)
542 uint8_t payload[MAX(MC_CMD_ALLOC_VIS_IN_LEN,
543 MC_CMD_ALLOC_VIS_EXT_OUT_LEN)];
546 if (vi_countp == NULL) {
551 (void) memset(payload, 0, sizeof (payload));
552 req.emr_cmd = MC_CMD_ALLOC_VIS;
553 req.emr_in_buf = payload;
554 req.emr_in_length = MC_CMD_ALLOC_VIS_IN_LEN;
555 req.emr_out_buf = payload;
556 req.emr_out_length = MC_CMD_ALLOC_VIS_EXT_OUT_LEN;
558 MCDI_IN_SET_DWORD(req, ALLOC_VIS_IN_MIN_VI_COUNT, min_vi_count);
559 MCDI_IN_SET_DWORD(req, ALLOC_VIS_IN_MAX_VI_COUNT, max_vi_count);
561 efx_mcdi_execute(enp, &req);
563 if (req.emr_rc != 0) {
568 if (req.emr_out_length_used < MC_CMD_ALLOC_VIS_OUT_LEN) {
573 *vi_basep = MCDI_OUT_DWORD(req, ALLOC_VIS_OUT_VI_BASE);
574 *vi_countp = MCDI_OUT_DWORD(req, ALLOC_VIS_OUT_VI_COUNT);
576 /* Report VI_SHIFT if available (always zero for Huntington) */
577 if (req.emr_out_length_used < MC_CMD_ALLOC_VIS_EXT_OUT_LEN)
580 *vi_shiftp = MCDI_OUT_DWORD(req, ALLOC_VIS_EXT_OUT_VI_SHIFT);
589 EFSYS_PROBE1(fail1, efx_rc_t, rc);
595 static __checkReturn efx_rc_t
602 EFX_STATIC_ASSERT(MC_CMD_FREE_VIS_IN_LEN == 0);
603 EFX_STATIC_ASSERT(MC_CMD_FREE_VIS_OUT_LEN == 0);
605 req.emr_cmd = MC_CMD_FREE_VIS;
606 req.emr_in_buf = NULL;
607 req.emr_in_length = 0;
608 req.emr_out_buf = NULL;
609 req.emr_out_length = 0;
611 efx_mcdi_execute_quiet(enp, &req);
613 /* Ignore ELREADY (no allocated VIs, so nothing to free) */
614 if ((req.emr_rc != 0) && (req.emr_rc != EALREADY)) {
622 EFSYS_PROBE1(fail1, efx_rc_t, rc);
628 static __checkReturn efx_rc_t
629 efx_mcdi_alloc_piobuf(
631 __out efx_piobuf_handle_t *handlep)
634 uint8_t payload[MAX(MC_CMD_ALLOC_PIOBUF_IN_LEN,
635 MC_CMD_ALLOC_PIOBUF_OUT_LEN)];
638 if (handlep == NULL) {
643 (void) memset(payload, 0, sizeof (payload));
644 req.emr_cmd = MC_CMD_ALLOC_PIOBUF;
645 req.emr_in_buf = payload;
646 req.emr_in_length = MC_CMD_ALLOC_PIOBUF_IN_LEN;
647 req.emr_out_buf = payload;
648 req.emr_out_length = MC_CMD_ALLOC_PIOBUF_OUT_LEN;
650 efx_mcdi_execute_quiet(enp, &req);
652 if (req.emr_rc != 0) {
657 if (req.emr_out_length_used < MC_CMD_ALLOC_PIOBUF_OUT_LEN) {
662 *handlep = MCDI_OUT_DWORD(req, ALLOC_PIOBUF_OUT_PIOBUF_HANDLE);
671 EFSYS_PROBE1(fail1, efx_rc_t, rc);
676 static __checkReturn efx_rc_t
677 efx_mcdi_free_piobuf(
679 __in efx_piobuf_handle_t handle)
682 uint8_t payload[MAX(MC_CMD_FREE_PIOBUF_IN_LEN,
683 MC_CMD_FREE_PIOBUF_OUT_LEN)];
686 (void) memset(payload, 0, sizeof (payload));
687 req.emr_cmd = MC_CMD_FREE_PIOBUF;
688 req.emr_in_buf = payload;
689 req.emr_in_length = MC_CMD_FREE_PIOBUF_IN_LEN;
690 req.emr_out_buf = payload;
691 req.emr_out_length = MC_CMD_FREE_PIOBUF_OUT_LEN;
693 MCDI_IN_SET_DWORD(req, FREE_PIOBUF_IN_PIOBUF_HANDLE, handle);
695 efx_mcdi_execute_quiet(enp, &req);
697 if (req.emr_rc != 0) {
705 EFSYS_PROBE1(fail1, efx_rc_t, rc);
710 static __checkReturn efx_rc_t
711 efx_mcdi_link_piobuf(
713 __in uint32_t vi_index,
714 __in efx_piobuf_handle_t handle)
717 uint8_t payload[MAX(MC_CMD_LINK_PIOBUF_IN_LEN,
718 MC_CMD_LINK_PIOBUF_OUT_LEN)];
721 (void) memset(payload, 0, sizeof (payload));
722 req.emr_cmd = MC_CMD_LINK_PIOBUF;
723 req.emr_in_buf = payload;
724 req.emr_in_length = MC_CMD_LINK_PIOBUF_IN_LEN;
725 req.emr_out_buf = payload;
726 req.emr_out_length = MC_CMD_LINK_PIOBUF_OUT_LEN;
728 MCDI_IN_SET_DWORD(req, LINK_PIOBUF_IN_PIOBUF_HANDLE, handle);
729 MCDI_IN_SET_DWORD(req, LINK_PIOBUF_IN_TXQ_INSTANCE, vi_index);
731 efx_mcdi_execute(enp, &req);
733 if (req.emr_rc != 0) {
741 EFSYS_PROBE1(fail1, efx_rc_t, rc);
746 static __checkReturn efx_rc_t
747 efx_mcdi_unlink_piobuf(
749 __in uint32_t vi_index)
752 uint8_t payload[MAX(MC_CMD_UNLINK_PIOBUF_IN_LEN,
753 MC_CMD_UNLINK_PIOBUF_OUT_LEN)];
756 (void) memset(payload, 0, sizeof (payload));
757 req.emr_cmd = MC_CMD_UNLINK_PIOBUF;
758 req.emr_in_buf = payload;
759 req.emr_in_length = MC_CMD_UNLINK_PIOBUF_IN_LEN;
760 req.emr_out_buf = payload;
761 req.emr_out_length = MC_CMD_UNLINK_PIOBUF_OUT_LEN;
763 MCDI_IN_SET_DWORD(req, UNLINK_PIOBUF_IN_TXQ_INSTANCE, vi_index);
765 efx_mcdi_execute_quiet(enp, &req);
767 if (req.emr_rc != 0) {
775 EFSYS_PROBE1(fail1, efx_rc_t, rc);
781 ef10_nic_alloc_piobufs(
783 __in uint32_t max_piobuf_count)
785 efx_piobuf_handle_t *handlep;
788 EFSYS_ASSERT3U(max_piobuf_count, <=,
789 EFX_ARRAY_SIZE(enp->en_arch.ef10.ena_piobuf_handle));
791 enp->en_arch.ef10.ena_piobuf_count = 0;
793 for (i = 0; i < max_piobuf_count; i++) {
794 handlep = &enp->en_arch.ef10.ena_piobuf_handle[i];
796 if (efx_mcdi_alloc_piobuf(enp, handlep) != 0)
799 enp->en_arch.ef10.ena_pio_alloc_map[i] = 0;
800 enp->en_arch.ef10.ena_piobuf_count++;
806 for (i = 0; i < enp->en_arch.ef10.ena_piobuf_count; i++) {
807 handlep = &enp->en_arch.ef10.ena_piobuf_handle[i];
809 efx_mcdi_free_piobuf(enp, *handlep);
810 *handlep = EFX_PIOBUF_HANDLE_INVALID;
812 enp->en_arch.ef10.ena_piobuf_count = 0;
817 ef10_nic_free_piobufs(
820 efx_piobuf_handle_t *handlep;
823 for (i = 0; i < enp->en_arch.ef10.ena_piobuf_count; i++) {
824 handlep = &enp->en_arch.ef10.ena_piobuf_handle[i];
826 efx_mcdi_free_piobuf(enp, *handlep);
827 *handlep = EFX_PIOBUF_HANDLE_INVALID;
829 enp->en_arch.ef10.ena_piobuf_count = 0;
832 /* Sub-allocate a block from a piobuf */
833 __checkReturn efx_rc_t
835 __inout efx_nic_t *enp,
836 __out uint32_t *bufnump,
837 __out efx_piobuf_handle_t *handlep,
838 __out uint32_t *blknump,
839 __out uint32_t *offsetp,
842 efx_nic_cfg_t *encp = &enp->en_nic_cfg;
843 efx_drv_cfg_t *edcp = &enp->en_drv_cfg;
844 uint32_t blk_per_buf;
848 EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
849 enp->en_family == EFX_FAMILY_MEDFORD ||
850 enp->en_family == EFX_FAMILY_MEDFORD2);
851 EFSYS_ASSERT(bufnump);
852 EFSYS_ASSERT(handlep);
853 EFSYS_ASSERT(blknump);
854 EFSYS_ASSERT(offsetp);
857 if ((edcp->edc_pio_alloc_size == 0) ||
858 (enp->en_arch.ef10.ena_piobuf_count == 0)) {
862 blk_per_buf = encp->enc_piobuf_size / edcp->edc_pio_alloc_size;
864 for (buf = 0; buf < enp->en_arch.ef10.ena_piobuf_count; buf++) {
865 uint32_t *map = &enp->en_arch.ef10.ena_pio_alloc_map[buf];
870 EFSYS_ASSERT3U(blk_per_buf, <=, (8 * sizeof (*map)));
871 for (blk = 0; blk < blk_per_buf; blk++) {
872 if ((*map & (1u << blk)) == 0) {
882 *handlep = enp->en_arch.ef10.ena_piobuf_handle[buf];
885 *sizep = edcp->edc_pio_alloc_size;
886 *offsetp = blk * (*sizep);
893 EFSYS_PROBE1(fail1, efx_rc_t, rc);
898 /* Free a piobuf sub-allocated block */
899 __checkReturn efx_rc_t
901 __inout efx_nic_t *enp,
902 __in uint32_t bufnum,
903 __in uint32_t blknum)
908 if ((bufnum >= enp->en_arch.ef10.ena_piobuf_count) ||
909 (blknum >= (8 * sizeof (*map)))) {
914 map = &enp->en_arch.ef10.ena_pio_alloc_map[bufnum];
915 if ((*map & (1u << blknum)) == 0) {
919 *map &= ~(1u << blknum);
926 EFSYS_PROBE1(fail1, efx_rc_t, rc);
931 __checkReturn efx_rc_t
933 __inout efx_nic_t *enp,
934 __in uint32_t vi_index,
935 __in efx_piobuf_handle_t handle)
937 return (efx_mcdi_link_piobuf(enp, vi_index, handle));
940 __checkReturn efx_rc_t
942 __inout efx_nic_t *enp,
943 __in uint32_t vi_index)
945 return (efx_mcdi_unlink_piobuf(enp, vi_index));
948 static __checkReturn efx_rc_t
949 ef10_mcdi_get_pf_count(
951 __out uint32_t *pf_countp)
954 uint8_t payload[MAX(MC_CMD_GET_PF_COUNT_IN_LEN,
955 MC_CMD_GET_PF_COUNT_OUT_LEN)];
958 (void) memset(payload, 0, sizeof (payload));
959 req.emr_cmd = MC_CMD_GET_PF_COUNT;
960 req.emr_in_buf = payload;
961 req.emr_in_length = MC_CMD_GET_PF_COUNT_IN_LEN;
962 req.emr_out_buf = payload;
963 req.emr_out_length = MC_CMD_GET_PF_COUNT_OUT_LEN;
965 efx_mcdi_execute(enp, &req);
967 if (req.emr_rc != 0) {
972 if (req.emr_out_length_used < MC_CMD_GET_PF_COUNT_OUT_LEN) {
977 *pf_countp = *MCDI_OUT(req, uint8_t,
978 MC_CMD_GET_PF_COUNT_OUT_PF_COUNT_OFST);
980 EFSYS_ASSERT(*pf_countp != 0);
987 EFSYS_PROBE1(fail1, efx_rc_t, rc);
992 static __checkReturn efx_rc_t
993 ef10_get_datapath_caps(
996 efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
998 uint8_t payload[MAX(MC_CMD_GET_CAPABILITIES_IN_LEN,
999 MC_CMD_GET_CAPABILITIES_V4_OUT_LEN)];
1002 if ((rc = ef10_mcdi_get_pf_count(enp, &encp->enc_hw_pf_count)) != 0)
1006 (void) memset(payload, 0, sizeof (payload));
1007 req.emr_cmd = MC_CMD_GET_CAPABILITIES;
1008 req.emr_in_buf = payload;
1009 req.emr_in_length = MC_CMD_GET_CAPABILITIES_IN_LEN;
1010 req.emr_out_buf = payload;
1011 req.emr_out_length = MC_CMD_GET_CAPABILITIES_V4_OUT_LEN;
1013 efx_mcdi_execute_quiet(enp, &req);
1015 if (req.emr_rc != 0) {
1020 if (req.emr_out_length_used < MC_CMD_GET_CAPABILITIES_OUT_LEN) {
1025 #define CAP_FLAGS1(_req, _flag) \
1026 (MCDI_OUT_DWORD((_req), GET_CAPABILITIES_OUT_FLAGS1) & \
1027 (1u << (MC_CMD_GET_CAPABILITIES_V2_OUT_ ## _flag ## _LBN)))
1029 #define CAP_FLAGS2(_req, _flag) \
1030 (((_req).emr_out_length_used >= MC_CMD_GET_CAPABILITIES_V2_OUT_LEN) && \
1031 (MCDI_OUT_DWORD((_req), GET_CAPABILITIES_V2_OUT_FLAGS2) & \
1032 (1u << (MC_CMD_GET_CAPABILITIES_V2_OUT_ ## _flag ## _LBN))))
1035 * Huntington RXDP firmware inserts a 0 or 14 byte prefix.
1036 * We only support the 14 byte prefix here.
1038 if (CAP_FLAGS1(req, RX_PREFIX_LEN_14) == 0) {
1042 encp->enc_rx_prefix_size = 14;
1044 /* Check if the firmware supports TSO */
1045 if (CAP_FLAGS1(req, TX_TSO))
1046 encp->enc_fw_assisted_tso_enabled = B_TRUE;
1048 encp->enc_fw_assisted_tso_enabled = B_FALSE;
1050 /* Check if the firmware supports FATSOv2 */
1051 if (CAP_FLAGS2(req, TX_TSO_V2)) {
1052 encp->enc_fw_assisted_tso_v2_enabled = B_TRUE;
1053 encp->enc_fw_assisted_tso_v2_n_contexts = MCDI_OUT_WORD(req,
1054 GET_CAPABILITIES_V2_OUT_TX_TSO_V2_N_CONTEXTS);
1056 encp->enc_fw_assisted_tso_v2_enabled = B_FALSE;
1057 encp->enc_fw_assisted_tso_v2_n_contexts = 0;
1060 /* Check if the firmware has vadapter/vport/vswitch support */
1061 if (CAP_FLAGS1(req, EVB))
1062 encp->enc_datapath_cap_evb = B_TRUE;
1064 encp->enc_datapath_cap_evb = B_FALSE;
1066 /* Check if the firmware supports VLAN insertion */
1067 if (CAP_FLAGS1(req, TX_VLAN_INSERTION))
1068 encp->enc_hw_tx_insert_vlan_enabled = B_TRUE;
1070 encp->enc_hw_tx_insert_vlan_enabled = B_FALSE;
1072 /* Check if the firmware supports RX event batching */
1073 if (CAP_FLAGS1(req, RX_BATCHING))
1074 encp->enc_rx_batching_enabled = B_TRUE;
1076 encp->enc_rx_batching_enabled = B_FALSE;
1079 * Even if batching isn't reported as supported, we may still get
1080 * batched events (see bug61153).
1082 encp->enc_rx_batch_max = 16;
1084 /* Check if the firmware supports disabling scatter on RXQs */
1085 if (CAP_FLAGS1(req, RX_DISABLE_SCATTER))
1086 encp->enc_rx_disable_scatter_supported = B_TRUE;
1088 encp->enc_rx_disable_scatter_supported = B_FALSE;
1090 /* Check if the firmware supports packed stream mode */
1091 if (CAP_FLAGS1(req, RX_PACKED_STREAM))
1092 encp->enc_rx_packed_stream_supported = B_TRUE;
1094 encp->enc_rx_packed_stream_supported = B_FALSE;
1097 * Check if the firmware supports configurable buffer sizes
1098 * for packed stream mode (otherwise buffer size is 1Mbyte)
1100 if (CAP_FLAGS1(req, RX_PACKED_STREAM_VAR_BUFFERS))
1101 encp->enc_rx_var_packed_stream_supported = B_TRUE;
1103 encp->enc_rx_var_packed_stream_supported = B_FALSE;
1105 /* Check if the firmware supports set mac with running filters */
1106 if (CAP_FLAGS1(req, VADAPTOR_PERMIT_SET_MAC_WHEN_FILTERS_INSTALLED))
1107 encp->enc_allow_set_mac_with_installed_filters = B_TRUE;
1109 encp->enc_allow_set_mac_with_installed_filters = B_FALSE;
1112 * Check if firmware supports the extended MC_CMD_SET_MAC, which allows
1113 * specifying which parameters to configure.
1115 if (CAP_FLAGS1(req, SET_MAC_ENHANCED))
1116 encp->enc_enhanced_set_mac_supported = B_TRUE;
1118 encp->enc_enhanced_set_mac_supported = B_FALSE;
1121 * Check if firmware supports version 2 of MC_CMD_INIT_EVQ, which allows
1122 * us to let the firmware choose the settings to use on an EVQ.
1124 if (CAP_FLAGS2(req, INIT_EVQ_V2))
1125 encp->enc_init_evq_v2_supported = B_TRUE;
1127 encp->enc_init_evq_v2_supported = B_FALSE;
1130 * Check if firmware-verified NVRAM updates must be used.
1132 * The firmware trusted installer requires all NVRAM updates to use
1133 * version 2 of MC_CMD_NVRAM_UPDATE_START (to enable verified update)
1134 * and version 2 of MC_CMD_NVRAM_UPDATE_FINISH (to verify the updated
1135 * partition and report the result).
1137 if (CAP_FLAGS2(req, NVRAM_UPDATE_REPORT_VERIFY_RESULT))
1138 encp->enc_nvram_update_verify_result_supported = B_TRUE;
1140 encp->enc_nvram_update_verify_result_supported = B_FALSE;
1143 * Check if firmware provides packet memory and Rx datapath
1146 if (CAP_FLAGS1(req, PM_AND_RXDP_COUNTERS))
1147 encp->enc_pm_and_rxdp_counters = B_TRUE;
1149 encp->enc_pm_and_rxdp_counters = B_FALSE;
1152 * Check if the 40G MAC hardware is capable of reporting
1153 * statistics for Tx size bins.
1155 if (CAP_FLAGS2(req, MAC_STATS_40G_TX_SIZE_BINS))
1156 encp->enc_mac_stats_40g_tx_size_bins = B_TRUE;
1158 encp->enc_mac_stats_40g_tx_size_bins = B_FALSE;
1161 * Check if firmware supports VXLAN and NVGRE tunnels.
1162 * The capability indicates Geneve protocol support as well.
1164 if (CAP_FLAGS1(req, VXLAN_NVGRE)) {
1165 encp->enc_tunnel_encapsulations_supported =
1166 (1u << EFX_TUNNEL_PROTOCOL_VXLAN) |
1167 (1u << EFX_TUNNEL_PROTOCOL_GENEVE) |
1168 (1u << EFX_TUNNEL_PROTOCOL_NVGRE);
1170 EFX_STATIC_ASSERT(EFX_TUNNEL_MAXNENTRIES ==
1171 MC_CMD_SET_TUNNEL_ENCAP_UDP_PORTS_IN_ENTRIES_MAXNUM);
1172 encp->enc_tunnel_config_udp_entries_max =
1173 EFX_TUNNEL_MAXNENTRIES;
1175 encp->enc_tunnel_config_udp_entries_max = 0;
1178 /* Check if firmware supports extended MAC stats. */
1179 if (req.emr_out_length_used >= MC_CMD_GET_CAPABILITIES_V4_OUT_LEN) {
1180 /* Extended stats buffer supported */
1181 encp->enc_mac_stats_nstats = MCDI_OUT_WORD(req,
1182 GET_CAPABILITIES_V4_OUT_MAC_STATS_NUM_STATS);
1184 /* Use Siena-compatible legacy MAC stats */
1185 encp->enc_mac_stats_nstats = MC_CMD_MAC_NSTATS;
1188 if (encp->enc_mac_stats_nstats >= MC_CMD_MAC_NSTATS_V2)
1189 encp->enc_fec_counters = B_TRUE;
1191 encp->enc_fec_counters = B_FALSE;
1205 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1210 __checkReturn efx_rc_t
1211 ef10_get_vi_window_shift(
1212 __in efx_nic_t *enp,
1213 __out uint32_t *vi_window_shiftp)
1216 uint8_t payload[MAX(MC_CMD_GET_CAPABILITIES_IN_LEN,
1217 MC_CMD_GET_CAPABILITIES_V3_OUT_LEN)];
1221 (void) memset(payload, 0, sizeof (payload));
1222 req.emr_cmd = MC_CMD_GET_CAPABILITIES;
1223 req.emr_in_buf = payload;
1224 req.emr_in_length = MC_CMD_GET_CAPABILITIES_IN_LEN;
1225 req.emr_out_buf = payload;
1226 req.emr_out_length = MC_CMD_GET_CAPABILITIES_V3_OUT_LEN;
1228 efx_mcdi_execute_quiet(enp, &req);
1230 if (req.emr_rc != 0) {
1235 if (req.emr_out_length_used < MC_CMD_GET_CAPABILITIES_V3_OUT_LEN) {
1239 mode = MCDI_OUT_BYTE(req, GET_CAPABILITIES_V3_OUT_VI_WINDOW_MODE);
1242 case MC_CMD_GET_CAPABILITIES_V3_OUT_VI_WINDOW_MODE_8K:
1243 EFX_STATIC_ASSERT(1U << EFX_VI_WINDOW_SHIFT_8K == 8 * 1024);
1244 *vi_window_shiftp = EFX_VI_WINDOW_SHIFT_8K;
1247 case MC_CMD_GET_CAPABILITIES_V3_OUT_VI_WINDOW_MODE_16K:
1248 EFX_STATIC_ASSERT(1U << EFX_VI_WINDOW_SHIFT_16K == 16 * 1024);
1249 *vi_window_shiftp = EFX_VI_WINDOW_SHIFT_16K;
1252 case MC_CMD_GET_CAPABILITIES_V3_OUT_VI_WINDOW_MODE_64K:
1253 EFX_STATIC_ASSERT(1U << EFX_VI_WINDOW_SHIFT_64K == 64 * 1024);
1254 *vi_window_shiftp = EFX_VI_WINDOW_SHIFT_64K;
1258 *vi_window_shiftp = EFX_VI_WINDOW_SHIFT_INVALID;
1270 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1276 #define EF10_LEGACY_PF_PRIVILEGE_MASK \
1277 (MC_CMD_PRIVILEGE_MASK_IN_GRP_ADMIN | \
1278 MC_CMD_PRIVILEGE_MASK_IN_GRP_LINK | \
1279 MC_CMD_PRIVILEGE_MASK_IN_GRP_ONLOAD | \
1280 MC_CMD_PRIVILEGE_MASK_IN_GRP_PTP | \
1281 MC_CMD_PRIVILEGE_MASK_IN_GRP_INSECURE_FILTERS | \
1282 MC_CMD_PRIVILEGE_MASK_IN_GRP_MAC_SPOOFING | \
1283 MC_CMD_PRIVILEGE_MASK_IN_GRP_UNICAST | \
1284 MC_CMD_PRIVILEGE_MASK_IN_GRP_MULTICAST | \
1285 MC_CMD_PRIVILEGE_MASK_IN_GRP_BROADCAST | \
1286 MC_CMD_PRIVILEGE_MASK_IN_GRP_ALL_MULTICAST | \
1287 MC_CMD_PRIVILEGE_MASK_IN_GRP_PROMISCUOUS)
1289 #define EF10_LEGACY_VF_PRIVILEGE_MASK 0
1292 __checkReturn efx_rc_t
1293 ef10_get_privilege_mask(
1294 __in efx_nic_t *enp,
1295 __out uint32_t *maskp)
1297 efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
1301 if ((rc = efx_mcdi_privilege_mask(enp, encp->enc_pf, encp->enc_vf,
1306 /* Fallback for old firmware without privilege mask support */
1307 if (EFX_PCI_FUNCTION_IS_PF(encp)) {
1308 /* Assume PF has admin privilege */
1309 mask = EF10_LEGACY_PF_PRIVILEGE_MASK;
1311 /* VF is always unprivileged by default */
1312 mask = EF10_LEGACY_VF_PRIVILEGE_MASK;
1321 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1328 * Table of mapping schemes from port number to external number.
1330 * Each port number ultimately corresponds to a connector: either as part of
1331 * a cable assembly attached to a module inserted in an SFP+/QSFP+ cage on
1332 * the board, or fixed to the board (e.g. 10GBASE-T magjack on SFN5121T
1333 * "Salina"). In general:
1335 * Port number (0-based)
1337 * port mapping (n:1)
1340 * External port number (normally 1-based)
1342 * fixed (1:1) or cable assembly (1:m)
1347 * The external numbering refers to the cages or magjacks on the board,
1348 * as visibly annotated on the board or back panel. This table describes
1349 * how to determine which external cage/magjack corresponds to the port
1350 * numbers used by the driver.
1352 * The count of adjacent port numbers that map to each external number,
1353 * and the offset in the numbering, is determined by the chip family and
1354 * current port mode.
1356 * For the Huntington family, the current port mode cannot be discovered,
1357 * but a single mapping is used by all modes for a given chip variant,
1358 * so the mapping used is instead the last match in the table to the full
1359 * set of port modes to which the NIC can be configured. Therefore the
1360 * ordering of entries in the mapping table is significant.
1362 static struct ef10_external_port_map_s {
1363 efx_family_t family;
1364 uint32_t modes_mask;
1367 } __ef10_external_port_mappings[] = {
1369 * Modes used by Huntington family controllers where each port
1370 * number maps to a separate cage.
1371 * SFN7x22F (Torino):
1381 EFX_FAMILY_HUNTINGTON,
1382 (1 << TLV_PORT_MODE_10G) |
1383 (1 << TLV_PORT_MODE_10G_10G) |
1384 (1 << TLV_PORT_MODE_10G_10G_10G_10G),
1389 * Modes that on Medford allocate each port number to a separate
1398 (1 << TLV_PORT_MODE_10G) |
1399 (1 << TLV_PORT_MODE_10G_10G),
1404 * Modes which for Huntington identify a chip variant where 2
1405 * adjacent port numbers map to each cage.
1413 EFX_FAMILY_HUNTINGTON,
1414 (1 << TLV_PORT_MODE_40G) |
1415 (1 << TLV_PORT_MODE_40G_40G) |
1416 (1 << TLV_PORT_MODE_40G_10G_10G) |
1417 (1 << TLV_PORT_MODE_10G_10G_40G),
1422 * Modes that on Medford allocate 2 adjacent port numbers to each
1431 (1 << TLV_PORT_MODE_40G) |
1432 (1 << TLV_PORT_MODE_40G_40G) |
1433 (1 << TLV_PORT_MODE_40G_10G_10G) |
1434 (1 << TLV_PORT_MODE_10G_10G_40G) |
1435 (1 << TLV_PORT_MODE_10G_10G_10G_10G_Q1_Q2),
1440 * Modes that on Medford allocate 4 adjacent port numbers to each
1441 * connector, starting on cage 1.
1449 (1 << TLV_PORT_MODE_10G_10G_10G_10G_Q) |
1450 (1 << TLV_PORT_MODE_10G_10G_10G_10G_Q1),
1455 * Modes that on Medford allocate 4 adjacent port numbers to each
1456 * connector, starting on cage 2.
1464 (1 << TLV_PORT_MODE_10G_10G_10G_10G_Q2),
1470 static __checkReturn efx_rc_t
1471 ef10_external_port_mapping(
1472 __in efx_nic_t *enp,
1474 __out uint8_t *external_portp)
1478 uint32_t port_modes;
1481 int32_t count = 1; /* Default 1-1 mapping */
1482 int32_t offset = 1; /* Default starting external port number */
1484 if ((rc = efx_mcdi_get_port_modes(enp, &port_modes, ¤t)) != 0) {
1486 * No current port mode information (i.e. Huntington)
1487 * - infer mapping from available modes
1489 if ((rc = efx_mcdi_get_port_modes(enp,
1490 &port_modes, NULL)) != 0) {
1492 * No port mode information available
1493 * - use default mapping
1498 /* Only need to scan the current mode */
1499 port_modes = 1 << current;
1503 * Infer the internal port -> external number mapping from
1504 * the possible port modes for this NIC.
1506 for (i = 0; i < EFX_ARRAY_SIZE(__ef10_external_port_mappings); ++i) {
1507 struct ef10_external_port_map_s *eepmp =
1508 &__ef10_external_port_mappings[i];
1509 if (eepmp->family != enp->en_family)
1511 matches = (eepmp->modes_mask & port_modes);
1514 * Some modes match. For some Huntington boards
1515 * there will be multiple matches. The mapping on the
1516 * last match is used.
1518 count = eepmp->count;
1519 offset = eepmp->offset;
1520 port_modes &= ~matches;
1524 if (port_modes != 0) {
1525 /* Some advertised modes are not supported */
1532 * Scale as required by last matched mode and then convert to
1533 * correctly offset numbering
1535 *external_portp = (uint8_t)((port / count) + offset);
1539 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1544 static __checkReturn efx_rc_t
1546 __in efx_nic_t *enp)
1548 const efx_nic_ops_t *enop = enp->en_enop;
1549 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
1550 efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
1551 ef10_link_state_t els;
1552 efx_port_t *epp = &(enp->en_port);
1553 uint32_t board_type = 0;
1554 uint32_t base, nvec;
1559 uint8_t mac_addr[6] = { 0 };
1562 /* Get the (zero-based) MCDI port number */
1563 if ((rc = efx_mcdi_get_port_assignment(enp, &port)) != 0)
1566 /* EFX MCDI interface uses one-based port numbers */
1567 emip->emi_port = port + 1;
1569 if ((rc = ef10_external_port_mapping(enp, port,
1570 &encp->enc_external_port)) != 0)
1574 * Get PCIe function number from firmware (used for
1575 * per-function privilege and dynamic config info).
1576 * - PCIe PF: pf = PF number, vf = 0xffff.
1577 * - PCIe VF: pf = parent PF, vf = VF number.
1579 if ((rc = efx_mcdi_get_function_info(enp, &pf, &vf)) != 0)
1585 /* MAC address for this function */
1586 if (EFX_PCI_FUNCTION_IS_PF(encp)) {
1587 rc = efx_mcdi_get_mac_address_pf(enp, mac_addr);
1588 #if EFSYS_OPT_ALLOW_UNCONFIGURED_NIC
1590 * Disable static config checking, ONLY for manufacturing test
1591 * and setup at the factory, to allow the static config to be
1594 #else /* EFSYS_OPT_ALLOW_UNCONFIGURED_NIC */
1595 if ((rc == 0) && (mac_addr[0] & 0x02)) {
1597 * If the static config does not include a global MAC
1598 * address pool then the board may return a locally
1599 * administered MAC address (this should only happen on
1600 * incorrectly programmed boards).
1604 #endif /* EFSYS_OPT_ALLOW_UNCONFIGURED_NIC */
1606 rc = efx_mcdi_get_mac_address_vf(enp, mac_addr);
1611 EFX_MAC_ADDR_COPY(encp->enc_mac_addr, mac_addr);
1613 /* Board configuration (legacy) */
1614 rc = efx_mcdi_get_board_cfg(enp, &board_type, NULL, NULL);
1616 /* Unprivileged functions may not be able to read board cfg */
1623 encp->enc_board_type = board_type;
1624 encp->enc_clk_mult = 1; /* not used for EF10 */
1626 /* Fill out fields in enp->en_port and enp->en_nic_cfg from MCDI */
1627 if ((rc = efx_mcdi_get_phy_cfg(enp)) != 0)
1630 /* Obtain the default PHY advertised capabilities */
1631 if ((rc = ef10_phy_get_link(enp, &els)) != 0)
1633 epp->ep_default_adv_cap_mask = els.els_adv_cap_mask;
1634 epp->ep_adv_cap_mask = els.els_adv_cap_mask;
1636 /* Check capabilities of running datapath firmware */
1637 if ((rc = ef10_get_datapath_caps(enp)) != 0)
1640 /* Alignment for WPTR updates */
1641 encp->enc_rx_push_align = EF10_RX_WPTR_ALIGN;
1644 * Maximum number of exclusive RSS contexts. EF10 hardware supports 64
1645 * in total, but 6 are reserved for shared contexts. They are a global
1646 * resource so not all may be available.
1648 encp->enc_rx_scale_max_exclusive_contexts = 64 - 6;
1650 encp->enc_tx_dma_desc_size_max = EFX_MASK32(ESF_DZ_RX_KER_BYTE_CNT);
1651 /* No boundary crossing limits */
1652 encp->enc_tx_dma_desc_boundary = 0;
1655 * Maximum number of bytes into the frame the TCP header can start for
1656 * firmware assisted TSO to work.
1658 encp->enc_tx_tso_tcp_header_offset_limit = EF10_TCP_HEADER_OFFSET_LIMIT;
1661 * Set resource limits for MC_CMD_ALLOC_VIS. Note that we cannot use
1662 * MC_CMD_GET_RESOURCE_LIMITS here as that reports the available
1663 * resources (allocated to this PCIe function), which is zero until
1664 * after we have allocated VIs.
1666 encp->enc_evq_limit = 1024;
1667 encp->enc_rxq_limit = EFX_RXQ_LIMIT_TARGET;
1668 encp->enc_txq_limit = EFX_TXQ_LIMIT_TARGET;
1670 encp->enc_buftbl_limit = 0xFFFFFFFF;
1672 /* Get interrupt vector limits */
1673 if ((rc = efx_mcdi_get_vector_cfg(enp, &base, &nvec, NULL)) != 0) {
1674 if (EFX_PCI_FUNCTION_IS_PF(encp))
1677 /* Ignore error (cannot query vector limits from a VF). */
1681 encp->enc_intr_vec_base = base;
1682 encp->enc_intr_limit = nvec;
1685 * Get the current privilege mask. Note that this may be modified
1686 * dynamically, so this value is informational only. DO NOT use
1687 * the privilege mask to check for sufficient privileges, as that
1688 * can result in time-of-check/time-of-use bugs.
1690 if ((rc = ef10_get_privilege_mask(enp, &mask)) != 0)
1692 encp->enc_privilege_mask = mask;
1694 /* Get remaining controller-specific board config */
1695 if ((rc = enop->eno_board_cfg(enp)) != 0)
1702 EFSYS_PROBE(fail11);
1704 EFSYS_PROBE(fail10);
1722 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1727 __checkReturn efx_rc_t
1729 __in efx_nic_t *enp)
1731 efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
1732 efx_drv_cfg_t *edcp = &(enp->en_drv_cfg);
1735 EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
1736 enp->en_family == EFX_FAMILY_MEDFORD ||
1737 enp->en_family == EFX_FAMILY_MEDFORD2);
1739 /* Read and clear any assertion state */
1740 if ((rc = efx_mcdi_read_assertion(enp)) != 0)
1743 /* Exit the assertion handler */
1744 if ((rc = efx_mcdi_exit_assertion_handler(enp)) != 0)
1748 if ((rc = efx_mcdi_drv_attach(enp, B_TRUE)) != 0)
1751 if ((rc = ef10_nic_board_cfg(enp)) != 0)
1755 * Set default driver config limits (based on board config).
1757 * FIXME: For now allocate a fixed number of VIs which is likely to be
1758 * sufficient and small enough to allow multiple functions on the same
1761 edcp->edc_min_vi_count = edcp->edc_max_vi_count =
1762 MIN(128, MAX(encp->enc_rxq_limit, encp->enc_txq_limit));
1764 /* The client driver must configure and enable PIO buffer support */
1765 edcp->edc_max_piobuf_count = 0;
1766 edcp->edc_pio_alloc_size = 0;
1768 #if EFSYS_OPT_MAC_STATS
1769 /* Wipe the MAC statistics */
1770 if ((rc = efx_mcdi_mac_stats_clear(enp)) != 0)
1774 #if EFSYS_OPT_LOOPBACK
1775 if ((rc = efx_mcdi_get_loopback_modes(enp)) != 0)
1779 #if EFSYS_OPT_MON_STATS
1780 if ((rc = mcdi_mon_cfg_build(enp)) != 0) {
1781 /* Unprivileged functions do not have access to sensors */
1787 encp->enc_features = enp->en_features;
1791 #if EFSYS_OPT_MON_STATS
1795 #if EFSYS_OPT_LOOPBACK
1799 #if EFSYS_OPT_MAC_STATS
1810 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1815 __checkReturn efx_rc_t
1816 ef10_nic_set_drv_limits(
1817 __inout efx_nic_t *enp,
1818 __in efx_drv_limits_t *edlp)
1820 efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
1821 efx_drv_cfg_t *edcp = &(enp->en_drv_cfg);
1822 uint32_t min_evq_count, max_evq_count;
1823 uint32_t min_rxq_count, max_rxq_count;
1824 uint32_t min_txq_count, max_txq_count;
1832 /* Get minimum required and maximum usable VI limits */
1833 min_evq_count = MIN(edlp->edl_min_evq_count, encp->enc_evq_limit);
1834 min_rxq_count = MIN(edlp->edl_min_rxq_count, encp->enc_rxq_limit);
1835 min_txq_count = MIN(edlp->edl_min_txq_count, encp->enc_txq_limit);
1837 edcp->edc_min_vi_count =
1838 MAX(min_evq_count, MAX(min_rxq_count, min_txq_count));
1840 max_evq_count = MIN(edlp->edl_max_evq_count, encp->enc_evq_limit);
1841 max_rxq_count = MIN(edlp->edl_max_rxq_count, encp->enc_rxq_limit);
1842 max_txq_count = MIN(edlp->edl_max_txq_count, encp->enc_txq_limit);
1844 edcp->edc_max_vi_count =
1845 MAX(max_evq_count, MAX(max_rxq_count, max_txq_count));
1848 * Check limits for sub-allocated piobuf blocks.
1849 * PIO is optional, so don't fail if the limits are incorrect.
1851 if ((encp->enc_piobuf_size == 0) ||
1852 (encp->enc_piobuf_limit == 0) ||
1853 (edlp->edl_min_pio_alloc_size == 0) ||
1854 (edlp->edl_min_pio_alloc_size > encp->enc_piobuf_size)) {
1856 edcp->edc_max_piobuf_count = 0;
1857 edcp->edc_pio_alloc_size = 0;
1859 uint32_t blk_size, blk_count, blks_per_piobuf;
1862 MAX(edlp->edl_min_pio_alloc_size,
1863 encp->enc_piobuf_min_alloc_size);
1865 blks_per_piobuf = encp->enc_piobuf_size / blk_size;
1866 EFSYS_ASSERT3U(blks_per_piobuf, <=, 32);
1868 blk_count = (encp->enc_piobuf_limit * blks_per_piobuf);
1870 /* A zero max pio alloc count means unlimited */
1871 if ((edlp->edl_max_pio_alloc_count > 0) &&
1872 (edlp->edl_max_pio_alloc_count < blk_count)) {
1873 blk_count = edlp->edl_max_pio_alloc_count;
1876 edcp->edc_pio_alloc_size = blk_size;
1877 edcp->edc_max_piobuf_count =
1878 (blk_count + (blks_per_piobuf - 1)) / blks_per_piobuf;
1884 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1890 __checkReturn efx_rc_t
1892 __in efx_nic_t *enp)
1895 uint8_t payload[MAX(MC_CMD_ENTITY_RESET_IN_LEN,
1896 MC_CMD_ENTITY_RESET_OUT_LEN)];
1899 /* ef10_nic_reset() is called to recover from BADASSERT failures. */
1900 if ((rc = efx_mcdi_read_assertion(enp)) != 0)
1902 if ((rc = efx_mcdi_exit_assertion_handler(enp)) != 0)
1905 (void) memset(payload, 0, sizeof (payload));
1906 req.emr_cmd = MC_CMD_ENTITY_RESET;
1907 req.emr_in_buf = payload;
1908 req.emr_in_length = MC_CMD_ENTITY_RESET_IN_LEN;
1909 req.emr_out_buf = payload;
1910 req.emr_out_length = MC_CMD_ENTITY_RESET_OUT_LEN;
1912 MCDI_IN_POPULATE_DWORD_1(req, ENTITY_RESET_IN_FLAG,
1913 ENTITY_RESET_IN_FUNCTION_RESOURCE_RESET, 1);
1915 efx_mcdi_execute(enp, &req);
1917 if (req.emr_rc != 0) {
1922 /* Clear RX/TX DMA queue errors */
1923 enp->en_reset_flags &= ~(EFX_RESET_RXQ_ERR | EFX_RESET_TXQ_ERR);
1932 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1937 __checkReturn efx_rc_t
1939 __in efx_nic_t *enp)
1941 efx_drv_cfg_t *edcp = &(enp->en_drv_cfg);
1942 uint32_t min_vi_count, max_vi_count;
1943 uint32_t vi_count, vi_base, vi_shift;
1947 uint32_t vi_window_size;
1950 EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
1951 enp->en_family == EFX_FAMILY_MEDFORD ||
1952 enp->en_family == EFX_FAMILY_MEDFORD2);
1954 /* Enable reporting of some events (e.g. link change) */
1955 if ((rc = efx_mcdi_log_ctrl(enp)) != 0)
1958 /* Allocate (optional) on-chip PIO buffers */
1959 ef10_nic_alloc_piobufs(enp, edcp->edc_max_piobuf_count);
1962 * For best performance, PIO writes should use a write-combined
1963 * (WC) memory mapping. Using a separate WC mapping for the PIO
1964 * aperture of each VI would be a burden to drivers (and not
1965 * possible if the host page size is >4Kbyte).
1967 * To avoid this we use a single uncached (UC) mapping for VI
1968 * register access, and a single WC mapping for extra VIs used
1971 * Each piobuf must be linked to a VI in the WC mapping, and to
1972 * each VI that is using a sub-allocated block from the piobuf.
1974 min_vi_count = edcp->edc_min_vi_count;
1976 edcp->edc_max_vi_count + enp->en_arch.ef10.ena_piobuf_count;
1978 /* Ensure that the previously attached driver's VIs are freed */
1979 if ((rc = efx_mcdi_free_vis(enp)) != 0)
1983 * Reserve VI resources (EVQ+RXQ+TXQ) for this PCIe function. If this
1984 * fails then retrying the request for fewer VI resources may succeed.
1987 if ((rc = efx_mcdi_alloc_vis(enp, min_vi_count, max_vi_count,
1988 &vi_base, &vi_count, &vi_shift)) != 0)
1991 EFSYS_PROBE2(vi_alloc, uint32_t, vi_base, uint32_t, vi_count);
1993 if (vi_count < min_vi_count) {
1998 enp->en_arch.ef10.ena_vi_base = vi_base;
1999 enp->en_arch.ef10.ena_vi_count = vi_count;
2000 enp->en_arch.ef10.ena_vi_shift = vi_shift;
2002 if (vi_count < min_vi_count + enp->en_arch.ef10.ena_piobuf_count) {
2003 /* Not enough extra VIs to map piobufs */
2004 ef10_nic_free_piobufs(enp);
2007 enp->en_arch.ef10.ena_pio_write_vi_base =
2008 vi_count - enp->en_arch.ef10.ena_piobuf_count;
2010 EFSYS_ASSERT3U(enp->en_nic_cfg.enc_vi_window_shift, !=,
2011 EFX_VI_WINDOW_SHIFT_INVALID);
2012 EFSYS_ASSERT3U(enp->en_nic_cfg.enc_vi_window_shift, <=,
2013 EFX_VI_WINDOW_SHIFT_64K);
2014 vi_window_size = 1U << enp->en_nic_cfg.enc_vi_window_shift;
2016 /* Save UC memory mapping details */
2017 enp->en_arch.ef10.ena_uc_mem_map_offset = 0;
2018 if (enp->en_arch.ef10.ena_piobuf_count > 0) {
2019 enp->en_arch.ef10.ena_uc_mem_map_size =
2021 enp->en_arch.ef10.ena_pio_write_vi_base);
2023 enp->en_arch.ef10.ena_uc_mem_map_size =
2025 enp->en_arch.ef10.ena_vi_count);
2028 /* Save WC memory mapping details */
2029 enp->en_arch.ef10.ena_wc_mem_map_offset =
2030 enp->en_arch.ef10.ena_uc_mem_map_offset +
2031 enp->en_arch.ef10.ena_uc_mem_map_size;
2033 enp->en_arch.ef10.ena_wc_mem_map_size =
2035 enp->en_arch.ef10.ena_piobuf_count);
2037 /* Link piobufs to extra VIs in WC mapping */
2038 if (enp->en_arch.ef10.ena_piobuf_count > 0) {
2039 for (i = 0; i < enp->en_arch.ef10.ena_piobuf_count; i++) {
2040 rc = efx_mcdi_link_piobuf(enp,
2041 enp->en_arch.ef10.ena_pio_write_vi_base + i,
2042 enp->en_arch.ef10.ena_piobuf_handle[i]);
2049 * Allocate a vAdaptor attached to our upstream vPort/pPort.
2051 * On a VF, this may fail with MC_CMD_ERR_NO_EVB_PORT (ENOENT) if the PF
2052 * driver has yet to bring up the EVB port. See bug 56147. In this case,
2053 * retry the request several times after waiting a while. The wait time
2054 * between retries starts small (10ms) and exponentially increases.
2055 * Total wait time is a little over two seconds. Retry logic in the
2056 * client driver may mean this whole loop is repeated if it continues to
2061 while ((rc = efx_mcdi_vadaptor_alloc(enp, EVB_PORT_ID_ASSIGNED)) != 0) {
2062 if (EFX_PCI_FUNCTION_IS_PF(&enp->en_nic_cfg) ||
2065 * Do not retry alloc for PF, or for other errors on
2071 /* VF startup before PF is ready. Retry allocation. */
2073 /* Too many attempts */
2077 EFSYS_PROBE1(mcdi_no_evb_port_retry, int, retry);
2078 EFSYS_SLEEP(delay_us);
2080 if (delay_us < 500000)
2084 enp->en_vport_id = EVB_PORT_ID_ASSIGNED;
2085 enp->en_nic_cfg.enc_mcdi_max_payload_length = MCDI_CTL_SDU_LEN_MAX_V2;
2100 ef10_nic_free_piobufs(enp);
2103 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2108 __checkReturn efx_rc_t
2109 ef10_nic_get_vi_pool(
2110 __in efx_nic_t *enp,
2111 __out uint32_t *vi_countp)
2113 EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
2114 enp->en_family == EFX_FAMILY_MEDFORD ||
2115 enp->en_family == EFX_FAMILY_MEDFORD2);
2118 * Report VIs that the client driver can use.
2119 * Do not include VIs used for PIO buffer writes.
2121 *vi_countp = enp->en_arch.ef10.ena_pio_write_vi_base;
2126 __checkReturn efx_rc_t
2127 ef10_nic_get_bar_region(
2128 __in efx_nic_t *enp,
2129 __in efx_nic_region_t region,
2130 __out uint32_t *offsetp,
2131 __out size_t *sizep)
2135 EFSYS_ASSERT(enp->en_family == EFX_FAMILY_HUNTINGTON ||
2136 enp->en_family == EFX_FAMILY_MEDFORD ||
2137 enp->en_family == EFX_FAMILY_MEDFORD2);
2140 * TODO: Specify host memory mapping alignment and granularity
2141 * in efx_drv_limits_t so that they can be taken into account
2142 * when allocating extra VIs for PIO writes.
2146 /* UC mapped memory BAR region for VI registers */
2147 *offsetp = enp->en_arch.ef10.ena_uc_mem_map_offset;
2148 *sizep = enp->en_arch.ef10.ena_uc_mem_map_size;
2151 case EFX_REGION_PIO_WRITE_VI:
2152 /* WC mapped memory BAR region for piobuf writes */
2153 *offsetp = enp->en_arch.ef10.ena_wc_mem_map_offset;
2154 *sizep = enp->en_arch.ef10.ena_wc_mem_map_size;
2165 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2172 __in efx_nic_t *enp)
2177 (void) efx_mcdi_vadaptor_free(enp, enp->en_vport_id);
2178 enp->en_vport_id = 0;
2180 /* Unlink piobufs from extra VIs in WC mapping */
2181 if (enp->en_arch.ef10.ena_piobuf_count > 0) {
2182 for (i = 0; i < enp->en_arch.ef10.ena_piobuf_count; i++) {
2183 rc = efx_mcdi_unlink_piobuf(enp,
2184 enp->en_arch.ef10.ena_pio_write_vi_base + i);
2190 ef10_nic_free_piobufs(enp);
2192 (void) efx_mcdi_free_vis(enp);
2193 enp->en_arch.ef10.ena_vi_count = 0;
2198 __in efx_nic_t *enp)
2200 #if EFSYS_OPT_MON_STATS
2201 mcdi_mon_cfg_free(enp);
2202 #endif /* EFSYS_OPT_MON_STATS */
2203 (void) efx_mcdi_drv_attach(enp, B_FALSE);
2208 __checkReturn efx_rc_t
2209 ef10_nic_register_test(
2210 __in efx_nic_t *enp)
2215 _NOTE(ARGUNUSED(enp))
2216 _NOTE(CONSTANTCONDITION)
2226 EFSYS_PROBE1(fail1, efx_rc_t, rc);
2231 #endif /* EFSYS_OPT_DIAG */
2234 #endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD || EFSYS_OPT_MEDFORD2 */