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WIP FPC-III support
[linux/fpc-iii.git] / drivers / infiniband / hw / bnxt_re / qplib_sp.c
blob6316179583a6f04e7a71dbee2c2811d47c55084b
1 /*
2 * Broadcom NetXtreme-E RoCE driver.
3 *
4 * Copyright (c) 2016 - 2017, Broadcom. All rights reserved. The term
5 * Broadcom refers to Broadcom Limited and/or its subsidiaries.
6 *
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
11 * BSD license below:
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 *
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
22 * distribution.
23 *
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.
35 *
36 * Description: Slow Path Operators
37 */
38
39 #define dev_fmt(fmt) "QPLIB: " fmt
40
41 #include <linux/interrupt.h>
42 #include <linux/spinlock.h>
43 #include <linux/sched.h>
44 #include <linux/pci.h>
45
46 #include "roce_hsi.h"
47
48 #include "qplib_res.h"
49 #include "qplib_rcfw.h"
50 #include "qplib_sp.h"
51
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 } };
54
55 /* Device */
56
57 static void bnxt_qplib_query_version(struct bnxt_qplib_rcfw *rcfw,
58 char *fw_ver)
59 {
60 struct cmdq_query_version req;
61 struct creq_query_version_resp resp;
62 u16 cmd_flags = 0;
63 int rc = 0;
64
65 RCFW_CMD_PREP(req, QUERY_VERSION, cmd_flags);
66
67 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
68 (void *)&resp, NULL, 0);
69 if (rc)
70 return;
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;
75 }
76
77 int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
78 struct bnxt_qplib_dev_attr *attr, bool vf)
79 {
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;
84 u16 cmd_flags = 0;
85 u32 temp;
86 u8 *tqm_alloc;
87 int i, rc = 0;
88
89 RCFW_CMD_PREP(req, QUERY_FUNC, cmd_flags);
90
91 sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb));
92 if (!sbuf) {
93 dev_err(&rcfw->pdev->dev,
94 "SP: QUERY_FUNC alloc side buffer failed\n");
95 return -ENOMEM;
96 }
97
98 sb = sbuf->sb;
99 req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS;
100 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
101 (void *)sbuf, 0);
102 if (rc)
103 goto bail;
104
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 */
108 if (!vf)
109 attr->max_qp += 1;
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);
117 /*
118 * 128 WQEs needs to be reserved for the HW (8916). Prevent
119 * reporting the max number
120 */
121 attr->max_qp_wqes -= BNXT_QPLIB_RESERVED_QP_WRS + 1;
122 attr->max_qp_sges = bnxt_qplib_is_chip_gen_p5(rcfw->res->cctx) ?
123 6 : sb->max_sge;
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);
129
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);
134
135 attr->max_srq = le16_to_cpu(sb->max_srq);
136 attr->max_srq_wqes = le32_to_cpu(sb->max_srq_wr) - 1;
137 attr->max_srq_sges = sb->max_srq_sge;
138 attr->max_pkey = le32_to_cpu(sb->max_pkeys);
139 /*
140 * Some versions of FW reports more than 0xFFFF.
141 * Restrict it for now to 0xFFFF to avoid
142 * reporting trucated value
143 */
144 if (attr->max_pkey > 0xFFFF) {
145 /* ib_port_attr::pkey_tbl_len is u16 */
146 attr->max_pkey = 0xFFFF;
147 }
148
149 attr->max_inline_data = le32_to_cpu(sb->max_inline_data);
150 attr->l2_db_size = (sb->l2_db_space_size + 1) *
151 (0x01 << RCFW_DBR_BASE_PAGE_SHIFT);
152 attr->max_sgid = BNXT_QPLIB_NUM_GIDS_SUPPORTED;
153
154 bnxt_qplib_query_version(rcfw, attr->fw_ver);
155
156 for (i = 0; i < MAX_TQM_ALLOC_REQ / 4; i++) {
157 temp = le32_to_cpu(sb->tqm_alloc_reqs[i]);
158 tqm_alloc = (u8 *)&temp;
159 attr->tqm_alloc_reqs[i * 4] = *tqm_alloc;
160 attr->tqm_alloc_reqs[i * 4 + 1] = *(++tqm_alloc);
161 attr->tqm_alloc_reqs[i * 4 + 2] = *(++tqm_alloc);
162 attr->tqm_alloc_reqs[i * 4 + 3] = *(++tqm_alloc);
163 }
164
165 attr->is_atomic = false;
166 bail:
167 bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf);
168 return rc;
169 }
170
171 int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
172 struct bnxt_qplib_rcfw *rcfw,
173 struct bnxt_qplib_ctx *ctx)
174 {
175 struct cmdq_set_func_resources req;
176 struct creq_set_func_resources_resp resp;
177 u16 cmd_flags = 0;
178 int rc = 0;
179
180 RCFW_CMD_PREP(req, SET_FUNC_RESOURCES, cmd_flags);
181
182 req.number_of_qp = cpu_to_le32(ctx->qpc_count);
183 req.number_of_mrw = cpu_to_le32(ctx->mrw_count);
184 req.number_of_srq = cpu_to_le32(ctx->srqc_count);
185 req.number_of_cq = cpu_to_le32(ctx->cq_count);
186
187 req.max_qp_per_vf = cpu_to_le32(ctx->vf_res.max_qp_per_vf);
188 req.max_mrw_per_vf = cpu_to_le32(ctx->vf_res.max_mrw_per_vf);
189 req.max_srq_per_vf = cpu_to_le32(ctx->vf_res.max_srq_per_vf);
190 req.max_cq_per_vf = cpu_to_le32(ctx->vf_res.max_cq_per_vf);
191 req.max_gid_per_vf = cpu_to_le32(ctx->vf_res.max_gid_per_vf);
192
193 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
194 (void *)&resp,
195 NULL, 0);
196 if (rc) {
197 dev_err(&res->pdev->dev, "Failed to set function resources\n");
198 }
199 return rc;
200 }
201
202 /* SGID */
203 int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
204 struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
205 struct bnxt_qplib_gid *gid)
206 {
207 if (index >= sgid_tbl->max) {
208 dev_err(&res->pdev->dev,
209 "Index %d exceeded SGID table max (%d)\n",
210 index, sgid_tbl->max);
211 return -EINVAL;
212 }
213 memcpy(gid, &sgid_tbl->tbl[index].gid, sizeof(*gid));
214 return 0;
215 }
216
217 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
218 struct bnxt_qplib_gid *gid, u16 vlan_id, bool update)
219 {
220 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
221 struct bnxt_qplib_res,
222 sgid_tbl);
223 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
224 int index;
225
226 if (!sgid_tbl) {
227 dev_err(&res->pdev->dev, "SGID table not allocated\n");
228 return -EINVAL;
229 }
230 /* Do we need a sgid_lock here? */
231 if (!sgid_tbl->active) {
232 dev_err(&res->pdev->dev, "SGID table has no active entries\n");
233 return -ENOMEM;
234 }
235 for (index = 0; index < sgid_tbl->max; index++) {
236 if (!memcmp(&sgid_tbl->tbl[index].gid, gid, sizeof(*gid)) &&
237 vlan_id == sgid_tbl->tbl[index].vlan_id)
238 break;
239 }
240 if (index == sgid_tbl->max) {
241 dev_warn(&res->pdev->dev, "GID not found in the SGID table\n");
242 return 0;
243 }
244 /* Remove GID from the SGID table */
245 if (update) {
246 struct cmdq_delete_gid req;
247 struct creq_delete_gid_resp resp;
248 u16 cmd_flags = 0;
249 int rc;
250
251 RCFW_CMD_PREP(req, DELETE_GID, cmd_flags);
252 if (sgid_tbl->hw_id[index] == 0xFFFF) {
253 dev_err(&res->pdev->dev,
254 "GID entry contains an invalid HW id\n");
255 return -EINVAL;
256 }
257 req.gid_index = cpu_to_le16(sgid_tbl->hw_id[index]);
258 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
259 (void *)&resp, NULL, 0);
260 if (rc)
261 return rc;
262 }
263 memcpy(&sgid_tbl->tbl[index].gid, &bnxt_qplib_gid_zero,
264 sizeof(bnxt_qplib_gid_zero));
265 sgid_tbl->tbl[index].vlan_id = 0xFFFF;
266 sgid_tbl->vlan[index] = 0;
267 sgid_tbl->active--;
268 dev_dbg(&res->pdev->dev,
269 "SGID deleted hw_id[0x%x] = 0x%x active = 0x%x\n",
270 index, sgid_tbl->hw_id[index], sgid_tbl->active);
271 sgid_tbl->hw_id[index] = (u16)-1;
272
273 /* unlock */
274 return 0;
275 }
276
277 int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
278 struct bnxt_qplib_gid *gid, u8 *smac, u16 vlan_id,
279 bool update, u32 *index)
280 {
281 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
282 struct bnxt_qplib_res,
283 sgid_tbl);
284 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
285 int i, free_idx;
286
287 if (!sgid_tbl) {
288 dev_err(&res->pdev->dev, "SGID table not allocated\n");
289 return -EINVAL;
290 }
291 /* Do we need a sgid_lock here? */
292 if (sgid_tbl->active == sgid_tbl->max) {
293 dev_err(&res->pdev->dev, "SGID table is full\n");
294 return -ENOMEM;
295 }
296 free_idx = sgid_tbl->max;
297 for (i = 0; i < sgid_tbl->max; i++) {
298 if (!memcmp(&sgid_tbl->tbl[i], gid, sizeof(*gid)) &&
299 sgid_tbl->tbl[i].vlan_id == vlan_id) {
300 dev_dbg(&res->pdev->dev,
301 "SGID entry already exist in entry %d!\n", i);
302 *index = i;
303 return -EALREADY;
304 } else if (!memcmp(&sgid_tbl->tbl[i], &bnxt_qplib_gid_zero,
305 sizeof(bnxt_qplib_gid_zero)) &&
306 free_idx == sgid_tbl->max) {
307 free_idx = i;
308 }
309 }
310 if (free_idx == sgid_tbl->max) {
311 dev_err(&res->pdev->dev,
312 "SGID table is FULL but count is not MAX??\n");
313 return -ENOMEM;
314 }
315 if (update) {
316 struct cmdq_add_gid req;
317 struct creq_add_gid_resp resp;
318 u16 cmd_flags = 0;
319 int rc;
320
321 RCFW_CMD_PREP(req, ADD_GID, cmd_flags);
322
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]);
327 /*
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.
331 */
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);
339 }
340
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]);
345
346 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
347 (void *)&resp, NULL, 0);
348 if (rc)
349 return rc;
350 sgid_tbl->hw_id[free_idx] = le32_to_cpu(resp.xid);
351 }
352 /* Add GID to the sgid_tbl */
353 memcpy(&sgid_tbl->tbl[free_idx], gid, sizeof(*gid));
354 sgid_tbl->tbl[free_idx].vlan_id = vlan_id;
355 sgid_tbl->active++;
356 if (vlan_id != 0xFFFF)
357 sgid_tbl->vlan[free_idx] = 1;
358
359 dev_dbg(&res->pdev->dev,
360 "SGID added hw_id[0x%x] = 0x%x active = 0x%x\n",
361 free_idx, sgid_tbl->hw_id[free_idx], sgid_tbl->active);
362
363 *index = free_idx;
364 /* unlock */
365 return 0;
366 }
367
368 int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
369 struct bnxt_qplib_gid *gid, u16 gid_idx,
370 u8 *smac)
371 {
372 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
373 struct bnxt_qplib_res,
374 sgid_tbl);
375 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
376 struct creq_modify_gid_resp resp;
377 struct cmdq_modify_gid req;
378 int rc;
379 u16 cmd_flags = 0;
380
381 RCFW_CMD_PREP(req, MODIFY_GID, cmd_flags);
382
383 req.gid[0] = cpu_to_be32(((u32 *)gid->data)[3]);
384 req.gid[1] = cpu_to_be32(((u32 *)gid->data)[2]);
385 req.gid[2] = cpu_to_be32(((u32 *)gid->data)[1]);
386 req.gid[3] = cpu_to_be32(((u32 *)gid->data)[0]);
387 if (res->prio) {
388 req.vlan |= cpu_to_le16
389 (CMDQ_ADD_GID_VLAN_TPID_TPID_8100 |
390 CMDQ_ADD_GID_VLAN_VLAN_EN);
391 }
392
393 /* MAC in network format */
394 req.src_mac[0] = cpu_to_be16(((u16 *)smac)[0]);
395 req.src_mac[1] = cpu_to_be16(((u16 *)smac)[1]);
396 req.src_mac[2] = cpu_to_be16(((u16 *)smac)[2]);
397
398 req.gid_index = cpu_to_le16(gid_idx);
399
400 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
401 (void *)&resp, NULL, 0);
402 return rc;
403 }
404
405 /* pkeys */
406 int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res,
407 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index,
408 u16 *pkey)
409 {
410 if (index == 0xFFFF) {
411 *pkey = 0xFFFF;
412 return 0;
413 }
414 if (index >= pkey_tbl->max) {
415 dev_err(&res->pdev->dev,
416 "Index %d exceeded PKEY table max (%d)\n",
417 index, pkey_tbl->max);
418 return -EINVAL;
419 }
420 memcpy(pkey, &pkey_tbl->tbl[index], sizeof(*pkey));
421 return 0;
422 }
423
424 int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res,
425 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
426 bool update)
427 {
428 int i, rc = 0;
429
430 if (!pkey_tbl) {
431 dev_err(&res->pdev->dev, "PKEY table not allocated\n");
432 return -EINVAL;
433 }
434
435 /* Do we need a pkey_lock here? */
436 if (!pkey_tbl->active) {
437 dev_err(&res->pdev->dev, "PKEY table has no active entries\n");
438 return -ENOMEM;
439 }
440 for (i = 0; i < pkey_tbl->max; i++) {
441 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey)))
442 break;
443 }
444 if (i == pkey_tbl->max) {
445 dev_err(&res->pdev->dev,
446 "PKEY 0x%04x not found in the pkey table\n", *pkey);
447 return -ENOMEM;
448 }
449 memset(&pkey_tbl->tbl[i], 0, sizeof(*pkey));
450 pkey_tbl->active--;
451
452 /* unlock */
453 return rc;
454 }
455
456 int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res,
457 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
458 bool update)
459 {
460 int i, free_idx, rc = 0;
461
462 if (!pkey_tbl) {
463 dev_err(&res->pdev->dev, "PKEY table not allocated\n");
464 return -EINVAL;
465 }
466
467 /* Do we need a pkey_lock here? */
468 if (pkey_tbl->active == pkey_tbl->max) {
469 dev_err(&res->pdev->dev, "PKEY table is full\n");
470 return -ENOMEM;
471 }
472 free_idx = pkey_tbl->max;
473 for (i = 0; i < pkey_tbl->max; i++) {
474 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey)))
475 return -EALREADY;
476 else if (!pkey_tbl->tbl[i] && free_idx == pkey_tbl->max)
477 free_idx = i;
478 }
479 if (free_idx == pkey_tbl->max) {
480 dev_err(&res->pdev->dev,
481 "PKEY table is FULL but count is not MAX??\n");
482 return -ENOMEM;
483 }
484 /* Add PKEY to the pkey_tbl */
485 memcpy(&pkey_tbl->tbl[free_idx], pkey, sizeof(*pkey));
486 pkey_tbl->active++;
487
488 /* unlock */
489 return rc;
490 }
491
492 /* AH */
493 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
494 bool block)
495 {
496 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
497 struct cmdq_create_ah req;
498 struct creq_create_ah_resp resp;
499 u16 cmd_flags = 0;
500 u32 temp32[4];
501 u16 temp16[3];
502 int rc;
503
504 RCFW_CMD_PREP(req, CREATE_AH, cmd_flags);
505
506 memcpy(temp32, ah->dgid.data, sizeof(struct bnxt_qplib_gid));
507 req.dgid[0] = cpu_to_le32(temp32[0]);
508 req.dgid[1] = cpu_to_le32(temp32[1]);
509 req.dgid[2] = cpu_to_le32(temp32[2]);
510 req.dgid[3] = cpu_to_le32(temp32[3]);
511
512 req.type = ah->nw_type;
513 req.hop_limit = ah->hop_limit;
514 req.sgid_index = cpu_to_le16(res->sgid_tbl.hw_id[ah->sgid_index]);
515 req.dest_vlan_id_flow_label = cpu_to_le32((ah->flow_label &
516 CMDQ_CREATE_AH_FLOW_LABEL_MASK) |
517 CMDQ_CREATE_AH_DEST_VLAN_ID_MASK);
518 req.pd_id = cpu_to_le32(ah->pd->id);
519 req.traffic_class = ah->traffic_class;
520
521 /* MAC in network format */
522 memcpy(temp16, ah->dmac, 6);
523 req.dest_mac[0] = cpu_to_le16(temp16[0]);
524 req.dest_mac[1] = cpu_to_le16(temp16[1]);
525 req.dest_mac[2] = cpu_to_le16(temp16[2]);
526
527 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
528 NULL, block);
529 if (rc)
530 return rc;
531
532 ah->id = le32_to_cpu(resp.xid);
533 return 0;
534 }
535
536 void bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
537 bool block)
538 {
539 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
540 struct cmdq_destroy_ah req;
541 struct creq_destroy_ah_resp resp;
542 u16 cmd_flags = 0;
543
544 /* Clean up the AH table in the device */
545 RCFW_CMD_PREP(req, DESTROY_AH, cmd_flags);
546
547 req.ah_cid = cpu_to_le32(ah->id);
548
549 bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, NULL,
550 block);
551 }
552
553 /* MRW */
554 int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw)
555 {
556 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
557 struct cmdq_deallocate_key req;
558 struct creq_deallocate_key_resp resp;
559 u16 cmd_flags = 0;
560 int rc;
561
562 if (mrw->lkey == 0xFFFFFFFF) {
563 dev_info(&res->pdev->dev, "SP: Free a reserved lkey MRW\n");
564 return 0;
565 }
566
567 RCFW_CMD_PREP(req, DEALLOCATE_KEY, cmd_flags);
568
569 req.mrw_flags = mrw->type;
570
571 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) ||
572 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) ||
573 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B))
574 req.key = cpu_to_le32(mrw->rkey);
575 else
576 req.key = cpu_to_le32(mrw->lkey);
577
578 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
579 NULL, 0);
580 if (rc)
581 return rc;
582
583 /* Free the qplib's MRW memory */
584 if (mrw->hwq.max_elements)
585 bnxt_qplib_free_hwq(res, &mrw->hwq);
586
587 return 0;
588 }
589
590 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw)
591 {
592 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
593 struct cmdq_allocate_mrw req;
594 struct creq_allocate_mrw_resp resp;
595 u16 cmd_flags = 0;
596 unsigned long tmp;
597 int rc;
598
599 RCFW_CMD_PREP(req, ALLOCATE_MRW, cmd_flags);
600
601 req.pd_id = cpu_to_le32(mrw->pd->id);
602 req.mrw_flags = mrw->type;
603 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_PMR &&
604 mrw->flags & BNXT_QPLIB_FR_PMR) ||
605 mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A ||
606 mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B)
607 req.access = CMDQ_ALLOCATE_MRW_ACCESS_CONSUMER_OWNED_KEY;
608 tmp = (unsigned long)mrw;
609 req.mrw_handle = cpu_to_le64(tmp);
610
611 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
612 (void *)&resp, NULL, 0);
613 if (rc)
614 return rc;
615
616 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) ||
617 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) ||
618 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B))
619 mrw->rkey = le32_to_cpu(resp.xid);
620 else
621 mrw->lkey = le32_to_cpu(resp.xid);
622 return 0;
623 }
624
625 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
626 bool block)
627 {
628 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
629 struct cmdq_deregister_mr req;
630 struct creq_deregister_mr_resp resp;
631 u16 cmd_flags = 0;
632 int rc;
633
634 RCFW_CMD_PREP(req, DEREGISTER_MR, cmd_flags);
635
636 req.lkey = cpu_to_le32(mrw->lkey);
637 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
638 (void *)&resp, NULL, block);
639 if (rc)
640 return rc;
641
642 /* Free the qplib's MR memory */
643 if (mrw->hwq.max_elements) {
644 mrw->va = 0;
645 mrw->total_size = 0;
646 bnxt_qplib_free_hwq(res, &mrw->hwq);
647 }
648
649 return 0;
650 }
651
652 int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
653 u64 *pbl_tbl, int num_pbls, bool block, u32 buf_pg_size)
654 {
655 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
656 struct bnxt_qplib_hwq_attr hwq_attr = {};
657 struct bnxt_qplib_sg_info sginfo = {};
658 struct creq_register_mr_resp resp;
659 struct cmdq_register_mr req;
660 int pg_ptrs, pages, i, rc;
661 u16 cmd_flags = 0, level;
662 dma_addr_t **pbl_ptr;
663 u32 pg_size;
664
665 if (num_pbls) {
666 /* Allocate memory for the non-leaf pages to store buf ptrs.
667 * Non-leaf pages always uses system PAGE_SIZE
668 */
669 pg_ptrs = roundup_pow_of_two(num_pbls);
670 pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT;
671 if (!pages)
672 pages++;
673
674 if (pages > MAX_PBL_LVL_1_PGS) {
675 dev_err(&res->pdev->dev,
676 "SP: Reg MR: pages requested (0x%x) exceeded max (0x%x)\n",
677 pages, MAX_PBL_LVL_1_PGS);
678 return -ENOMEM;
679 }
680 /* Free the hwq if it already exist, must be a rereg */
681 if (mr->hwq.max_elements)
682 bnxt_qplib_free_hwq(res, &mr->hwq);
683 /* Use system PAGE_SIZE */
684 hwq_attr.res = res;
685 hwq_attr.depth = pages;
686 hwq_attr.stride = PAGE_SIZE;
687 hwq_attr.type = HWQ_TYPE_MR;
688 hwq_attr.sginfo = &sginfo;
689 hwq_attr.sginfo->npages = pages;
690 hwq_attr.sginfo->pgsize = PAGE_SIZE;
691 hwq_attr.sginfo->pgshft = PAGE_SHIFT;
692 rc = bnxt_qplib_alloc_init_hwq(&mr->hwq, &hwq_attr);
693 if (rc) {
694 dev_err(&res->pdev->dev,
695 "SP: Reg MR memory allocation failed\n");
696 return -ENOMEM;
697 }
698 /* Write to the hwq */
699 pbl_ptr = (dma_addr_t **)mr->hwq.pbl_ptr;
700 for (i = 0; i < num_pbls; i++)
701 pbl_ptr[PTR_PG(i)][PTR_IDX(i)] =
702 (pbl_tbl[i] & PAGE_MASK) | PTU_PTE_VALID;
703 }
704
705 RCFW_CMD_PREP(req, REGISTER_MR, cmd_flags);
706
707 /* Configure the request */
708 if (mr->hwq.level == PBL_LVL_MAX) {
709 /* No PBL provided, just use system PAGE_SIZE */
710 level = 0;
711 req.pbl = 0;
712 pg_size = PAGE_SIZE;
713 } else {
714 level = mr->hwq.level + 1;
715 req.pbl = cpu_to_le64(mr->hwq.pbl[PBL_LVL_0].pg_map_arr[0]);
716 }
717 pg_size = buf_pg_size ? buf_pg_size : PAGE_SIZE;
718 req.log2_pg_size_lvl = (level << CMDQ_REGISTER_MR_LVL_SFT) |
719 ((ilog2(pg_size) <<
720 CMDQ_REGISTER_MR_LOG2_PG_SIZE_SFT) &
721 CMDQ_REGISTER_MR_LOG2_PG_SIZE_MASK);
722 req.log2_pbl_pg_size = cpu_to_le16(((ilog2(PAGE_SIZE) <<
723 CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_SFT) &
724 CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_MASK));
725 req.access = (mr->flags & 0xFFFF);
726 req.va = cpu_to_le64(mr->va);
727 req.key = cpu_to_le32(mr->lkey);
728 req.mr_size = cpu_to_le64(mr->total_size);
729
730 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
731 (void *)&resp, NULL, block);
732 if (rc)
733 goto fail;
734
735 return 0;
736
737 fail:
738 if (mr->hwq.max_elements)
739 bnxt_qplib_free_hwq(res, &mr->hwq);
740 return rc;
741 }
742
743 int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
744 struct bnxt_qplib_frpl *frpl,
745 int max_pg_ptrs)
746 {
747 struct bnxt_qplib_hwq_attr hwq_attr = {};
748 struct bnxt_qplib_sg_info sginfo = {};
749 int pg_ptrs, pages, rc;
750
751 /* Re-calculate the max to fit the HWQ allocation model */
752 pg_ptrs = roundup_pow_of_two(max_pg_ptrs);
753 pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT;
754 if (!pages)
755 pages++;
756
757 if (pages > MAX_PBL_LVL_1_PGS)
758 return -ENOMEM;
759
760 sginfo.pgsize = PAGE_SIZE;
761 sginfo.nopte = true;
762
763 hwq_attr.res = res;
764 hwq_attr.depth = pg_ptrs;
765 hwq_attr.stride = PAGE_SIZE;
766 hwq_attr.sginfo = &sginfo;
767 hwq_attr.type = HWQ_TYPE_CTX;
768 rc = bnxt_qplib_alloc_init_hwq(&frpl->hwq, &hwq_attr);
769 if (!rc)
770 frpl->max_pg_ptrs = pg_ptrs;
771
772 return rc;
773 }
774
775 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
776 struct bnxt_qplib_frpl *frpl)
777 {
778 bnxt_qplib_free_hwq(res, &frpl->hwq);
779 return 0;
780 }
781
782 int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids)
783 {
784 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
785 struct cmdq_map_tc_to_cos req;
786 struct creq_map_tc_to_cos_resp resp;
787 u16 cmd_flags = 0;
788
789 RCFW_CMD_PREP(req, MAP_TC_TO_COS, cmd_flags);
790 req.cos0 = cpu_to_le16(cids[0]);
791 req.cos1 = cpu_to_le16(cids[1]);
792
793 return bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
794 NULL, 0);
795 }
796
797 int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
798 struct bnxt_qplib_roce_stats *stats)
799 {
800 struct cmdq_query_roce_stats req;
801 struct creq_query_roce_stats_resp resp;
802 struct bnxt_qplib_rcfw_sbuf *sbuf;
803 struct creq_query_roce_stats_resp_sb *sb;
804 u16 cmd_flags = 0;
805 int rc = 0;
806
807 RCFW_CMD_PREP(req, QUERY_ROCE_STATS, cmd_flags);
808
809 sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb));
810 if (!sbuf) {
811 dev_err(&rcfw->pdev->dev,
812 "SP: QUERY_ROCE_STATS alloc side buffer failed\n");
813 return -ENOMEM;
814 }
815
816 sb = sbuf->sb;
817 req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS;
818 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
819 (void *)sbuf, 0);
820 if (rc)
821 goto bail;
822 /* Extract the context from the side buffer */
823 stats->to_retransmits = le64_to_cpu(sb->to_retransmits);
824 stats->seq_err_naks_rcvd = le64_to_cpu(sb->seq_err_naks_rcvd);
825 stats->max_retry_exceeded = le64_to_cpu(sb->max_retry_exceeded);
826 stats->rnr_naks_rcvd = le64_to_cpu(sb->rnr_naks_rcvd);
827 stats->missing_resp = le64_to_cpu(sb->missing_resp);
828 stats->unrecoverable_err = le64_to_cpu(sb->unrecoverable_err);
829 stats->bad_resp_err = le64_to_cpu(sb->bad_resp_err);
830 stats->local_qp_op_err = le64_to_cpu(sb->local_qp_op_err);
831 stats->local_protection_err = le64_to_cpu(sb->local_protection_err);
832 stats->mem_mgmt_op_err = le64_to_cpu(sb->mem_mgmt_op_err);
833 stats->remote_invalid_req_err = le64_to_cpu(sb->remote_invalid_req_err);
834 stats->remote_access_err = le64_to_cpu(sb->remote_access_err);
835 stats->remote_op_err = le64_to_cpu(sb->remote_op_err);
836 stats->dup_req = le64_to_cpu(sb->dup_req);
837 stats->res_exceed_max = le64_to_cpu(sb->res_exceed_max);
838 stats->res_length_mismatch = le64_to_cpu(sb->res_length_mismatch);
839 stats->res_exceeds_wqe = le64_to_cpu(sb->res_exceeds_wqe);
840 stats->res_opcode_err = le64_to_cpu(sb->res_opcode_err);
841 stats->res_rx_invalid_rkey = le64_to_cpu(sb->res_rx_invalid_rkey);
842 stats->res_rx_domain_err = le64_to_cpu(sb->res_rx_domain_err);
843 stats->res_rx_no_perm = le64_to_cpu(sb->res_rx_no_perm);
844 stats->res_rx_range_err = le64_to_cpu(sb->res_rx_range_err);
845 stats->res_tx_invalid_rkey = le64_to_cpu(sb->res_tx_invalid_rkey);
846 stats->res_tx_domain_err = le64_to_cpu(sb->res_tx_domain_err);
847 stats->res_tx_no_perm = le64_to_cpu(sb->res_tx_no_perm);
848 stats->res_tx_range_err = le64_to_cpu(sb->res_tx_range_err);
849 stats->res_irrq_oflow = le64_to_cpu(sb->res_irrq_oflow);
850 stats->res_unsup_opcode = le64_to_cpu(sb->res_unsup_opcode);
851 stats->res_unaligned_atomic = le64_to_cpu(sb->res_unaligned_atomic);
852 stats->res_rem_inv_err = le64_to_cpu(sb->res_rem_inv_err);
853 stats->res_mem_error = le64_to_cpu(sb->res_mem_error);
854 stats->res_srq_err = le64_to_cpu(sb->res_srq_err);
855 stats->res_cmp_err = le64_to_cpu(sb->res_cmp_err);
856 stats->res_invalid_dup_rkey = le64_to_cpu(sb->res_invalid_dup_rkey);
857 stats->res_wqe_format_err = le64_to_cpu(sb->res_wqe_format_err);
858 stats->res_cq_load_err = le64_to_cpu(sb->res_cq_load_err);
859 stats->res_srq_load_err = le64_to_cpu(sb->res_srq_load_err);
860 stats->res_tx_pci_err = le64_to_cpu(sb->res_tx_pci_err);
861 stats->res_rx_pci_err = le64_to_cpu(sb->res_rx_pci_err);
862 if (!rcfw->init_oos_stats) {
863 rcfw->oos_prev = le64_to_cpu(sb->res_oos_drop_count);
864 rcfw->init_oos_stats = 1;
865 } else {
866 stats->res_oos_drop_count +=
867 (le64_to_cpu(sb->res_oos_drop_count) -
868 rcfw->oos_prev) & BNXT_QPLIB_OOS_COUNT_MASK;
869 rcfw->oos_prev = le64_to_cpu(sb->res_oos_drop_count);
870 }
871
872 bail:
873 bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf);
874 return rc;
875 }
Linux with added FPC-III support