2 * Broadcom NetXtreme-E RoCE driver.
4 * Copyright (c) 2016 - 2017, Broadcom. All rights reserved. The term
5 * Broadcom refers to Broadcom Limited and/or its subsidiaries.
7 * This software is available to you under a choice of one of two
8 * licenses. You may choose to be licensed under the terms of the GNU
9 * General Public License (GPL) Version 2, available from the file
10 * COPYING in the main directory of this source tree, or the
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in
21 * the documentation and/or other materials provided with the
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
26 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
27 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
28 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
31 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
32 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
33 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
34 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 * Description: Slow Path Operators
39 #define dev_fmt(fmt) "QPLIB: " fmt
41 #include <linux/interrupt.h>
42 #include <linux/spinlock.h>
43 #include <linux/sched.h>
44 #include <linux/pci.h>
48 #include "qplib_res.h"
49 #include "qplib_rcfw.h"
52 const struct bnxt_qplib_gid bnxt_qplib_gid_zero = {{ 0, 0, 0, 0, 0, 0, 0, 0,
53 0, 0, 0, 0, 0, 0, 0, 0 } };
57 static void bnxt_qplib_query_version(struct bnxt_qplib_rcfw *rcfw,
60 struct cmdq_query_version req;
61 struct creq_query_version_resp resp;
65 RCFW_CMD_PREP(req, QUERY_VERSION, cmd_flags);
67 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
68 (void *)&resp, NULL, 0);
71 fw_ver[0] = resp.fw_maj;
72 fw_ver[1] = resp.fw_minor;
73 fw_ver[2] = resp.fw_bld;
74 fw_ver[3] = resp.fw_rsvd;
77 int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
78 struct bnxt_qplib_dev_attr *attr, bool vf)
80 struct cmdq_query_func req;
81 struct creq_query_func_resp resp;
82 struct bnxt_qplib_rcfw_sbuf *sbuf;
83 struct creq_query_func_resp_sb *sb;
89 RCFW_CMD_PREP(req, QUERY_FUNC, cmd_flags);
91 sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb));
93 dev_err(&rcfw->pdev->dev,
94 "SP: QUERY_FUNC alloc side buffer failed\n");
99 req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS;
100 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
105 /* Extract the context from the side buffer */
106 attr->max_qp = le32_to_cpu(sb->max_qp);
107 /* max_qp value reported by FW for PF doesn't include the QP1 for PF */
110 attr->max_qp_rd_atom =
111 sb->max_qp_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ?
112 BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_rd_atom;
113 attr->max_qp_init_rd_atom =
114 sb->max_qp_init_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ?
115 BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_init_rd_atom;
116 attr->max_qp_wqes = le16_to_cpu(sb->max_qp_wr);
118 * 128 WQEs needs to be reserved for the HW (8916). Prevent
119 * reporting the max number
121 attr->max_qp_wqes -= BNXT_QPLIB_RESERVED_QP_WRS;
122 attr->max_qp_sges = bnxt_qplib_is_chip_gen_p5(rcfw->res->cctx) ?
124 attr->max_cq = le32_to_cpu(sb->max_cq);
125 attr->max_cq_wqes = le32_to_cpu(sb->max_cqe);
126 attr->max_cq_sges = attr->max_qp_sges;
127 attr->max_mr = le32_to_cpu(sb->max_mr);
128 attr->max_mw = le32_to_cpu(sb->max_mw);
130 attr->max_mr_size = le64_to_cpu(sb->max_mr_size);
131 attr->max_pd = 64 * 1024;
132 attr->max_raw_ethy_qp = le32_to_cpu(sb->max_raw_eth_qp);
133 attr->max_ah = le32_to_cpu(sb->max_ah);
135 attr->max_fmr = le32_to_cpu(sb->max_fmr);
136 attr->max_map_per_fmr = sb->max_map_per_fmr;
138 attr->max_srq = le16_to_cpu(sb->max_srq);
139 attr->max_srq_wqes = le32_to_cpu(sb->max_srq_wr) - 1;
140 attr->max_srq_sges = sb->max_srq_sge;
141 attr->max_pkey = le32_to_cpu(sb->max_pkeys);
143 * Some versions of FW reports more than 0xFFFF.
144 * Restrict it for now to 0xFFFF to avoid
145 * reporting trucated value
147 if (attr->max_pkey > 0xFFFF) {
148 /* ib_port_attr::pkey_tbl_len is u16 */
149 attr->max_pkey = 0xFFFF;
152 attr->max_inline_data = le32_to_cpu(sb->max_inline_data);
153 attr->l2_db_size = (sb->l2_db_space_size + 1) *
154 (0x01 << RCFW_DBR_BASE_PAGE_SHIFT);
155 attr->max_sgid = le32_to_cpu(sb->max_gid);
157 bnxt_qplib_query_version(rcfw, attr->fw_ver);
159 for (i = 0; i < MAX_TQM_ALLOC_REQ / 4; i++) {
160 temp = le32_to_cpu(sb->tqm_alloc_reqs[i]);
161 tqm_alloc = (u8 *)&temp;
162 attr->tqm_alloc_reqs[i * 4] = *tqm_alloc;
163 attr->tqm_alloc_reqs[i * 4 + 1] = *(++tqm_alloc);
164 attr->tqm_alloc_reqs[i * 4 + 2] = *(++tqm_alloc);
165 attr->tqm_alloc_reqs[i * 4 + 3] = *(++tqm_alloc);
168 attr->is_atomic = false;
170 bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf);
174 int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
175 struct bnxt_qplib_rcfw *rcfw,
176 struct bnxt_qplib_ctx *ctx)
178 struct cmdq_set_func_resources req;
179 struct creq_set_func_resources_resp resp;
183 RCFW_CMD_PREP(req, SET_FUNC_RESOURCES, cmd_flags);
185 req.number_of_qp = cpu_to_le32(ctx->qpc_count);
186 req.number_of_mrw = cpu_to_le32(ctx->mrw_count);
187 req.number_of_srq = cpu_to_le32(ctx->srqc_count);
188 req.number_of_cq = cpu_to_le32(ctx->cq_count);
190 req.max_qp_per_vf = cpu_to_le32(ctx->vf_res.max_qp_per_vf);
191 req.max_mrw_per_vf = cpu_to_le32(ctx->vf_res.max_mrw_per_vf);
192 req.max_srq_per_vf = cpu_to_le32(ctx->vf_res.max_srq_per_vf);
193 req.max_cq_per_vf = cpu_to_le32(ctx->vf_res.max_cq_per_vf);
194 req.max_gid_per_vf = cpu_to_le32(ctx->vf_res.max_gid_per_vf);
196 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
200 dev_err(&res->pdev->dev, "Failed to set function resources\n");
206 int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
207 struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
208 struct bnxt_qplib_gid *gid)
210 if (index >= sgid_tbl->max) {
211 dev_err(&res->pdev->dev,
212 "Index %d exceeded SGID table max (%d)\n",
213 index, sgid_tbl->max);
216 memcpy(gid, &sgid_tbl->tbl[index], sizeof(*gid));
220 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
221 struct bnxt_qplib_gid *gid, bool update)
223 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
224 struct bnxt_qplib_res,
226 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
230 dev_err(&res->pdev->dev, "SGID table not allocated\n");
233 /* Do we need a sgid_lock here? */
234 if (!sgid_tbl->active) {
235 dev_err(&res->pdev->dev, "SGID table has no active entries\n");
238 for (index = 0; index < sgid_tbl->max; index++) {
239 if (!memcmp(&sgid_tbl->tbl[index], gid, sizeof(*gid)))
242 if (index == sgid_tbl->max) {
243 dev_warn(&res->pdev->dev, "GID not found in the SGID table\n");
246 /* Remove GID from the SGID table */
248 struct cmdq_delete_gid req;
249 struct creq_delete_gid_resp resp;
253 RCFW_CMD_PREP(req, DELETE_GID, cmd_flags);
254 if (sgid_tbl->hw_id[index] == 0xFFFF) {
255 dev_err(&res->pdev->dev,
256 "GID entry contains an invalid HW id\n");
259 req.gid_index = cpu_to_le16(sgid_tbl->hw_id[index]);
260 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
261 (void *)&resp, NULL, 0);
265 memcpy(&sgid_tbl->tbl[index], &bnxt_qplib_gid_zero,
266 sizeof(bnxt_qplib_gid_zero));
267 sgid_tbl->vlan[index] = 0;
269 dev_dbg(&res->pdev->dev,
270 "SGID deleted hw_id[0x%x] = 0x%x active = 0x%x\n",
271 index, sgid_tbl->hw_id[index], sgid_tbl->active);
272 sgid_tbl->hw_id[index] = (u16)-1;
278 int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
279 struct bnxt_qplib_gid *gid, u8 *smac, u16 vlan_id,
280 bool update, u32 *index)
282 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
283 struct bnxt_qplib_res,
285 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
289 dev_err(&res->pdev->dev, "SGID table not allocated\n");
292 /* Do we need a sgid_lock here? */
293 if (sgid_tbl->active == sgid_tbl->max) {
294 dev_err(&res->pdev->dev, "SGID table is full\n");
297 free_idx = sgid_tbl->max;
298 for (i = 0; i < sgid_tbl->max; i++) {
299 if (!memcmp(&sgid_tbl->tbl[i], gid, sizeof(*gid))) {
300 dev_dbg(&res->pdev->dev,
301 "SGID entry already exist in entry %d!\n", i);
304 } else if (!memcmp(&sgid_tbl->tbl[i], &bnxt_qplib_gid_zero,
305 sizeof(bnxt_qplib_gid_zero)) &&
306 free_idx == sgid_tbl->max) {
310 if (free_idx == sgid_tbl->max) {
311 dev_err(&res->pdev->dev,
312 "SGID table is FULL but count is not MAX??\n");
316 struct cmdq_add_gid req;
317 struct creq_add_gid_resp resp;
321 RCFW_CMD_PREP(req, ADD_GID, cmd_flags);
323 req.gid[0] = cpu_to_be32(((u32 *)gid->data)[3]);
324 req.gid[1] = cpu_to_be32(((u32 *)gid->data)[2]);
325 req.gid[2] = cpu_to_be32(((u32 *)gid->data)[1]);
326 req.gid[3] = cpu_to_be32(((u32 *)gid->data)[0]);
328 * driver should ensure that all RoCE traffic is always VLAN
329 * tagged if RoCE traffic is running on non-zero VLAN ID or
330 * RoCE traffic is running on non-zero Priority.
332 if ((vlan_id != 0xFFFF) || res->prio) {
333 if (vlan_id != 0xFFFF)
334 req.vlan = cpu_to_le16
335 (vlan_id & CMDQ_ADD_GID_VLAN_VLAN_ID_MASK);
336 req.vlan |= cpu_to_le16
337 (CMDQ_ADD_GID_VLAN_TPID_TPID_8100 |
338 CMDQ_ADD_GID_VLAN_VLAN_EN);
341 /* MAC in network format */
342 req.src_mac[0] = cpu_to_be16(((u16 *)smac)[0]);
343 req.src_mac[1] = cpu_to_be16(((u16 *)smac)[1]);
344 req.src_mac[2] = cpu_to_be16(((u16 *)smac)[2]);
346 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
347 (void *)&resp, NULL, 0);
350 sgid_tbl->hw_id[free_idx] = le32_to_cpu(resp.xid);
352 /* Add GID to the sgid_tbl */
353 memcpy(&sgid_tbl->tbl[free_idx], gid, sizeof(*gid));
355 if (vlan_id != 0xFFFF)
356 sgid_tbl->vlan[free_idx] = 1;
358 dev_dbg(&res->pdev->dev,
359 "SGID added hw_id[0x%x] = 0x%x active = 0x%x\n",
360 free_idx, sgid_tbl->hw_id[free_idx], sgid_tbl->active);
367 int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
368 struct bnxt_qplib_gid *gid, u16 gid_idx,
371 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
372 struct bnxt_qplib_res,
374 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
375 struct creq_modify_gid_resp resp;
376 struct cmdq_modify_gid req;
380 RCFW_CMD_PREP(req, MODIFY_GID, cmd_flags);
382 req.gid[0] = cpu_to_be32(((u32 *)gid->data)[3]);
383 req.gid[1] = cpu_to_be32(((u32 *)gid->data)[2]);
384 req.gid[2] = cpu_to_be32(((u32 *)gid->data)[1]);
385 req.gid[3] = cpu_to_be32(((u32 *)gid->data)[0]);
387 req.vlan |= cpu_to_le16
388 (CMDQ_ADD_GID_VLAN_TPID_TPID_8100 |
389 CMDQ_ADD_GID_VLAN_VLAN_EN);
392 /* MAC in network format */
393 req.src_mac[0] = cpu_to_be16(((u16 *)smac)[0]);
394 req.src_mac[1] = cpu_to_be16(((u16 *)smac)[1]);
395 req.src_mac[2] = cpu_to_be16(((u16 *)smac)[2]);
397 req.gid_index = cpu_to_le16(gid_idx);
399 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
400 (void *)&resp, NULL, 0);
405 int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res,
406 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index,
409 if (index == 0xFFFF) {
413 if (index >= pkey_tbl->max) {
414 dev_err(&res->pdev->dev,
415 "Index %d exceeded PKEY table max (%d)\n",
416 index, pkey_tbl->max);
419 memcpy(pkey, &pkey_tbl->tbl[index], sizeof(*pkey));
423 int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res,
424 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
430 dev_err(&res->pdev->dev, "PKEY table not allocated\n");
434 /* Do we need a pkey_lock here? */
435 if (!pkey_tbl->active) {
436 dev_err(&res->pdev->dev, "PKEY table has no active entries\n");
439 for (i = 0; i < pkey_tbl->max; i++) {
440 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey)))
443 if (i == pkey_tbl->max) {
444 dev_err(&res->pdev->dev,
445 "PKEY 0x%04x not found in the pkey table\n", *pkey);
448 memset(&pkey_tbl->tbl[i], 0, sizeof(*pkey));
455 int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res,
456 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
459 int i, free_idx, rc = 0;
462 dev_err(&res->pdev->dev, "PKEY table not allocated\n");
466 /* Do we need a pkey_lock here? */
467 if (pkey_tbl->active == pkey_tbl->max) {
468 dev_err(&res->pdev->dev, "PKEY table is full\n");
471 free_idx = pkey_tbl->max;
472 for (i = 0; i < pkey_tbl->max; i++) {
473 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey)))
475 else if (!pkey_tbl->tbl[i] && free_idx == pkey_tbl->max)
478 if (free_idx == pkey_tbl->max) {
479 dev_err(&res->pdev->dev,
480 "PKEY table is FULL but count is not MAX??\n");
483 /* Add PKEY to the pkey_tbl */
484 memcpy(&pkey_tbl->tbl[free_idx], pkey, sizeof(*pkey));
492 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
495 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
496 struct cmdq_create_ah req;
497 struct creq_create_ah_resp resp;
503 RCFW_CMD_PREP(req, CREATE_AH, cmd_flags);
505 memcpy(temp32, ah->dgid.data, sizeof(struct bnxt_qplib_gid));
506 req.dgid[0] = cpu_to_le32(temp32[0]);
507 req.dgid[1] = cpu_to_le32(temp32[1]);
508 req.dgid[2] = cpu_to_le32(temp32[2]);
509 req.dgid[3] = cpu_to_le32(temp32[3]);
511 req.type = ah->nw_type;
512 req.hop_limit = ah->hop_limit;
513 req.sgid_index = cpu_to_le16(res->sgid_tbl.hw_id[ah->sgid_index]);
514 req.dest_vlan_id_flow_label = cpu_to_le32((ah->flow_label &
515 CMDQ_CREATE_AH_FLOW_LABEL_MASK) |
516 CMDQ_CREATE_AH_DEST_VLAN_ID_MASK);
517 req.pd_id = cpu_to_le32(ah->pd->id);
518 req.traffic_class = ah->traffic_class;
520 /* MAC in network format */
521 memcpy(temp16, ah->dmac, 6);
522 req.dest_mac[0] = cpu_to_le16(temp16[0]);
523 req.dest_mac[1] = cpu_to_le16(temp16[1]);
524 req.dest_mac[2] = cpu_to_le16(temp16[2]);
526 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
531 ah->id = le32_to_cpu(resp.xid);
535 void bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
538 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
539 struct cmdq_destroy_ah req;
540 struct creq_destroy_ah_resp resp;
543 /* Clean up the AH table in the device */
544 RCFW_CMD_PREP(req, DESTROY_AH, cmd_flags);
546 req.ah_cid = cpu_to_le32(ah->id);
548 bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, NULL,
553 int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw)
555 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
556 struct cmdq_deallocate_key req;
557 struct creq_deallocate_key_resp resp;
561 if (mrw->lkey == 0xFFFFFFFF) {
562 dev_info(&res->pdev->dev, "SP: Free a reserved lkey MRW\n");
566 RCFW_CMD_PREP(req, DEALLOCATE_KEY, cmd_flags);
568 req.mrw_flags = mrw->type;
570 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) ||
571 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) ||
572 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B))
573 req.key = cpu_to_le32(mrw->rkey);
575 req.key = cpu_to_le32(mrw->lkey);
577 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
582 /* Free the qplib's MRW memory */
583 if (mrw->hwq.max_elements)
584 bnxt_qplib_free_hwq(res->pdev, &mrw->hwq);
589 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw)
591 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
592 struct cmdq_allocate_mrw req;
593 struct creq_allocate_mrw_resp resp;
598 RCFW_CMD_PREP(req, ALLOCATE_MRW, cmd_flags);
600 req.pd_id = cpu_to_le32(mrw->pd->id);
601 req.mrw_flags = mrw->type;
602 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_PMR &&
603 mrw->flags & BNXT_QPLIB_FR_PMR) ||
604 mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A ||
605 mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B)
606 req.access = CMDQ_ALLOCATE_MRW_ACCESS_CONSUMER_OWNED_KEY;
607 tmp = (unsigned long)mrw;
608 req.mrw_handle = cpu_to_le64(tmp);
610 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
611 (void *)&resp, NULL, 0);
615 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) ||
616 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) ||
617 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B))
618 mrw->rkey = le32_to_cpu(resp.xid);
620 mrw->lkey = le32_to_cpu(resp.xid);
624 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
627 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
628 struct cmdq_deregister_mr req;
629 struct creq_deregister_mr_resp resp;
633 RCFW_CMD_PREP(req, DEREGISTER_MR, cmd_flags);
635 req.lkey = cpu_to_le32(mrw->lkey);
636 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
637 (void *)&resp, NULL, block);
641 /* Free the qplib's MR memory */
642 if (mrw->hwq.max_elements) {
645 bnxt_qplib_free_hwq(res->pdev, &mrw->hwq);
651 int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
652 u64 *pbl_tbl, int num_pbls, bool block, u32 buf_pg_size)
654 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
655 struct cmdq_register_mr req;
656 struct creq_register_mr_resp resp;
657 u16 cmd_flags = 0, level;
658 int pg_ptrs, pages, i, rc;
659 dma_addr_t **pbl_ptr;
663 /* Allocate memory for the non-leaf pages to store buf ptrs.
664 * Non-leaf pages always uses system PAGE_SIZE
666 pg_ptrs = roundup_pow_of_two(num_pbls);
667 pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT;
671 if (pages > MAX_PBL_LVL_1_PGS) {
672 dev_err(&res->pdev->dev,
673 "SP: Reg MR pages requested (0x%x) exceeded max (0x%x)\n",
674 pages, MAX_PBL_LVL_1_PGS);
677 /* Free the hwq if it already exist, must be a rereg */
678 if (mr->hwq.max_elements)
679 bnxt_qplib_free_hwq(res->pdev, &mr->hwq);
681 mr->hwq.max_elements = pages;
682 /* Use system PAGE_SIZE */
683 rc = bnxt_qplib_alloc_init_hwq(res->pdev, &mr->hwq, NULL,
684 &mr->hwq.max_elements,
685 PAGE_SIZE, 0, PAGE_SIZE,
688 dev_err(&res->pdev->dev,
689 "SP: Reg MR memory allocation failed\n");
692 /* Write to the hwq */
693 pbl_ptr = (dma_addr_t **)mr->hwq.pbl_ptr;
694 for (i = 0; i < num_pbls; i++)
695 pbl_ptr[PTR_PG(i)][PTR_IDX(i)] =
696 (pbl_tbl[i] & PAGE_MASK) | PTU_PTE_VALID;
699 RCFW_CMD_PREP(req, REGISTER_MR, cmd_flags);
701 /* Configure the request */
702 if (mr->hwq.level == PBL_LVL_MAX) {
703 /* No PBL provided, just use system PAGE_SIZE */
708 level = mr->hwq.level + 1;
709 req.pbl = cpu_to_le64(mr->hwq.pbl[PBL_LVL_0].pg_map_arr[0]);
711 pg_size = buf_pg_size ? buf_pg_size : PAGE_SIZE;
712 req.log2_pg_size_lvl = (level << CMDQ_REGISTER_MR_LVL_SFT) |
714 CMDQ_REGISTER_MR_LOG2_PG_SIZE_SFT) &
715 CMDQ_REGISTER_MR_LOG2_PG_SIZE_MASK);
716 req.log2_pbl_pg_size = cpu_to_le16(((ilog2(PAGE_SIZE) <<
717 CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_SFT) &
718 CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_MASK));
719 req.access = (mr->flags & 0xFFFF);
720 req.va = cpu_to_le64(mr->va);
721 req.key = cpu_to_le32(mr->lkey);
722 req.mr_size = cpu_to_le64(mr->total_size);
724 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
725 (void *)&resp, NULL, block);
732 if (mr->hwq.max_elements)
733 bnxt_qplib_free_hwq(res->pdev, &mr->hwq);
737 int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
738 struct bnxt_qplib_frpl *frpl,
741 int pg_ptrs, pages, rc;
743 /* Re-calculate the max to fit the HWQ allocation model */
744 pg_ptrs = roundup_pow_of_two(max_pg_ptrs);
745 pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT;
749 if (pages > MAX_PBL_LVL_1_PGS)
752 frpl->hwq.max_elements = pages;
753 rc = bnxt_qplib_alloc_init_hwq(res->pdev, &frpl->hwq, NULL,
754 &frpl->hwq.max_elements, PAGE_SIZE, 0,
755 PAGE_SIZE, HWQ_TYPE_CTX);
757 frpl->max_pg_ptrs = pg_ptrs;
762 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
763 struct bnxt_qplib_frpl *frpl)
765 bnxt_qplib_free_hwq(res->pdev, &frpl->hwq);
769 int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids)
771 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
772 struct cmdq_map_tc_to_cos req;
773 struct creq_map_tc_to_cos_resp resp;
776 RCFW_CMD_PREP(req, MAP_TC_TO_COS, cmd_flags);
777 req.cos0 = cpu_to_le16(cids[0]);
778 req.cos1 = cpu_to_le16(cids[1]);
780 return bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
784 int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
785 struct bnxt_qplib_roce_stats *stats)
787 struct cmdq_query_roce_stats req;
788 struct creq_query_roce_stats_resp resp;
789 struct bnxt_qplib_rcfw_sbuf *sbuf;
790 struct creq_query_roce_stats_resp_sb *sb;
794 RCFW_CMD_PREP(req, QUERY_ROCE_STATS, cmd_flags);
796 sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb));
798 dev_err(&rcfw->pdev->dev,
799 "SP: QUERY_ROCE_STATS alloc side buffer failed\n");
804 req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS;
805 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
809 /* Extract the context from the side buffer */
810 stats->to_retransmits = le64_to_cpu(sb->to_retransmits);
811 stats->seq_err_naks_rcvd = le64_to_cpu(sb->seq_err_naks_rcvd);
812 stats->max_retry_exceeded = le64_to_cpu(sb->max_retry_exceeded);
813 stats->rnr_naks_rcvd = le64_to_cpu(sb->rnr_naks_rcvd);
814 stats->missing_resp = le64_to_cpu(sb->missing_resp);
815 stats->unrecoverable_err = le64_to_cpu(sb->unrecoverable_err);
816 stats->bad_resp_err = le64_to_cpu(sb->bad_resp_err);
817 stats->local_qp_op_err = le64_to_cpu(sb->local_qp_op_err);
818 stats->local_protection_err = le64_to_cpu(sb->local_protection_err);
819 stats->mem_mgmt_op_err = le64_to_cpu(sb->mem_mgmt_op_err);
820 stats->remote_invalid_req_err = le64_to_cpu(sb->remote_invalid_req_err);
821 stats->remote_access_err = le64_to_cpu(sb->remote_access_err);
822 stats->remote_op_err = le64_to_cpu(sb->remote_op_err);
823 stats->dup_req = le64_to_cpu(sb->dup_req);
824 stats->res_exceed_max = le64_to_cpu(sb->res_exceed_max);
825 stats->res_length_mismatch = le64_to_cpu(sb->res_length_mismatch);
826 stats->res_exceeds_wqe = le64_to_cpu(sb->res_exceeds_wqe);
827 stats->res_opcode_err = le64_to_cpu(sb->res_opcode_err);
828 stats->res_rx_invalid_rkey = le64_to_cpu(sb->res_rx_invalid_rkey);
829 stats->res_rx_domain_err = le64_to_cpu(sb->res_rx_domain_err);
830 stats->res_rx_no_perm = le64_to_cpu(sb->res_rx_no_perm);
831 stats->res_rx_range_err = le64_to_cpu(sb->res_rx_range_err);
832 stats->res_tx_invalid_rkey = le64_to_cpu(sb->res_tx_invalid_rkey);
833 stats->res_tx_domain_err = le64_to_cpu(sb->res_tx_domain_err);
834 stats->res_tx_no_perm = le64_to_cpu(sb->res_tx_no_perm);
835 stats->res_tx_range_err = le64_to_cpu(sb->res_tx_range_err);
836 stats->res_irrq_oflow = le64_to_cpu(sb->res_irrq_oflow);
837 stats->res_unsup_opcode = le64_to_cpu(sb->res_unsup_opcode);
838 stats->res_unaligned_atomic = le64_to_cpu(sb->res_unaligned_atomic);
839 stats->res_rem_inv_err = le64_to_cpu(sb->res_rem_inv_err);
840 stats->res_mem_error = le64_to_cpu(sb->res_mem_error);
841 stats->res_srq_err = le64_to_cpu(sb->res_srq_err);
842 stats->res_cmp_err = le64_to_cpu(sb->res_cmp_err);
843 stats->res_invalid_dup_rkey = le64_to_cpu(sb->res_invalid_dup_rkey);
844 stats->res_wqe_format_err = le64_to_cpu(sb->res_wqe_format_err);
845 stats->res_cq_load_err = le64_to_cpu(sb->res_cq_load_err);
846 stats->res_srq_load_err = le64_to_cpu(sb->res_srq_load_err);
847 stats->res_tx_pci_err = le64_to_cpu(sb->res_tx_pci_err);
848 stats->res_rx_pci_err = le64_to_cpu(sb->res_rx_pci_err);
849 if (!rcfw->init_oos_stats) {
850 rcfw->oos_prev = le64_to_cpu(sb->res_oos_drop_count);
851 rcfw->init_oos_stats = 1;
853 stats->res_oos_drop_count +=
854 (le64_to_cpu(sb->res_oos_drop_count) -
855 rcfw->oos_prev) & BNXT_QPLIB_OOS_COUNT_MASK;
856 rcfw->oos_prev = le64_to_cpu(sb->res_oos_drop_count);
860 bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf);