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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
52const 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
56
57static bool bnxt_qplib_is_atomic_cap(struct bnxt_qplib_rcfw *rcfw)
58{
59 u16 pcie_ctl2 = 0;
60
61 if (!bnxt_qplib_is_chip_gen_p5(rcfw->res->cctx))
62 return false;
63
64 pcie_capability_read_word(rcfw->pdev, PCI_EXP_DEVCTL2, &pcie_ctl2);
65 return (pcie_ctl2 & PCI_EXP_DEVCTL2_ATOMIC_REQ);
66}
67
68static void bnxt_qplib_query_version(struct bnxt_qplib_rcfw *rcfw,
69 char *fw_ver)
70{
71 struct cmdq_query_version req;
72 struct creq_query_version_resp resp;
73 u16 cmd_flags = 0;
74 int rc = 0;
75
76 RCFW_CMD_PREP(req, QUERY_VERSION, cmd_flags);
77
78 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
79 (void *)&resp, NULL, 0);
80 if (rc)
81 return;
82 fw_ver[0] = resp.fw_maj;
83 fw_ver[1] = resp.fw_minor;
84 fw_ver[2] = resp.fw_bld;
85 fw_ver[3] = resp.fw_rsvd;
86}
87
88int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
89 struct bnxt_qplib_dev_attr *attr, bool vf)
90{
91 struct cmdq_query_func req;
92 struct creq_query_func_resp resp;
93 struct bnxt_qplib_rcfw_sbuf *sbuf;
94 struct creq_query_func_resp_sb *sb;
95 u16 cmd_flags = 0;
96 u32 temp;
97 u8 *tqm_alloc;
98 int i, rc = 0;
99
100 RCFW_CMD_PREP(req, QUERY_FUNC, cmd_flags);
101
102 sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb));
103 if (!sbuf) {
104 dev_err(&rcfw->pdev->dev,
105 "SP: QUERY_FUNC alloc side buffer failed\n");
106 return -ENOMEM;
107 }
108
109 sb = sbuf->sb;
110 req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS;
111 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
112 (void *)sbuf, 0);
113 if (rc)
114 goto bail;
115
116
117 attr->max_qp = le32_to_cpu(sb->max_qp);
118
119 if (!vf)
120 attr->max_qp += 1;
121 attr->max_qp_rd_atom =
122 sb->max_qp_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ?
123 BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_rd_atom;
124 attr->max_qp_init_rd_atom =
125 sb->max_qp_init_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ?
126 BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_init_rd_atom;
127 attr->max_qp_wqes = le16_to_cpu(sb->max_qp_wr);
128
129
130
131
132 attr->max_qp_wqes -= BNXT_QPLIB_RESERVED_QP_WRS + 1;
133 attr->max_qp_sges = bnxt_qplib_is_chip_gen_p5(rcfw->res->cctx) ?
134 6 : sb->max_sge;
135 attr->max_cq = le32_to_cpu(sb->max_cq);
136 attr->max_cq_wqes = le32_to_cpu(sb->max_cqe);
137 attr->max_cq_sges = attr->max_qp_sges;
138 attr->max_mr = le32_to_cpu(sb->max_mr);
139 attr->max_mw = le32_to_cpu(sb->max_mw);
140
141 attr->max_mr_size = le64_to_cpu(sb->max_mr_size);
142 attr->max_pd = 64 * 1024;
143 attr->max_raw_ethy_qp = le32_to_cpu(sb->max_raw_eth_qp);
144 attr->max_ah = le32_to_cpu(sb->max_ah);
145
146 attr->max_srq = le16_to_cpu(sb->max_srq);
147 attr->max_srq_wqes = le32_to_cpu(sb->max_srq_wr) - 1;
148 attr->max_srq_sges = sb->max_srq_sge;
149 attr->max_pkey = le32_to_cpu(sb->max_pkeys);
150
151
152
153
154
155 if (attr->max_pkey > 0xFFFF) {
156
157 attr->max_pkey = 0xFFFF;
158 }
159
160 attr->max_inline_data = le32_to_cpu(sb->max_inline_data);
161 attr->l2_db_size = (sb->l2_db_space_size + 1) *
162 (0x01 << RCFW_DBR_BASE_PAGE_SHIFT);
163 attr->max_sgid = BNXT_QPLIB_NUM_GIDS_SUPPORTED;
164
165 bnxt_qplib_query_version(rcfw, attr->fw_ver);
166
167 for (i = 0; i < MAX_TQM_ALLOC_REQ / 4; i++) {
168 temp = le32_to_cpu(sb->tqm_alloc_reqs[i]);
169 tqm_alloc = (u8 *)&temp;
170 attr->tqm_alloc_reqs[i * 4] = *tqm_alloc;
171 attr->tqm_alloc_reqs[i * 4 + 1] = *(++tqm_alloc);
172 attr->tqm_alloc_reqs[i * 4 + 2] = *(++tqm_alloc);
173 attr->tqm_alloc_reqs[i * 4 + 3] = *(++tqm_alloc);
174 }
175
176 attr->is_atomic = bnxt_qplib_is_atomic_cap(rcfw);
177bail:
178 bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf);
179 return rc;
180}
181
182int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
183 struct bnxt_qplib_rcfw *rcfw,
184 struct bnxt_qplib_ctx *ctx)
185{
186 struct cmdq_set_func_resources req;
187 struct creq_set_func_resources_resp resp;
188 u16 cmd_flags = 0;
189 int rc = 0;
190
191 RCFW_CMD_PREP(req, SET_FUNC_RESOURCES, cmd_flags);
192
193 req.number_of_qp = cpu_to_le32(ctx->qpc_count);
194 req.number_of_mrw = cpu_to_le32(ctx->mrw_count);
195 req.number_of_srq = cpu_to_le32(ctx->srqc_count);
196 req.number_of_cq = cpu_to_le32(ctx->cq_count);
197
198 req.max_qp_per_vf = cpu_to_le32(ctx->vf_res.max_qp_per_vf);
199 req.max_mrw_per_vf = cpu_to_le32(ctx->vf_res.max_mrw_per_vf);
200 req.max_srq_per_vf = cpu_to_le32(ctx->vf_res.max_srq_per_vf);
201 req.max_cq_per_vf = cpu_to_le32(ctx->vf_res.max_cq_per_vf);
202 req.max_gid_per_vf = cpu_to_le32(ctx->vf_res.max_gid_per_vf);
203
204 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
205 (void *)&resp,
206 NULL, 0);
207 if (rc) {
208 dev_err(&res->pdev->dev, "Failed to set function resources\n");
209 }
210 return rc;
211}
212
213
214int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
215 struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
216 struct bnxt_qplib_gid *gid)
217{
218 if (index >= sgid_tbl->max) {
219 dev_err(&res->pdev->dev,
220 "Index %d exceeded SGID table max (%d)\n",
221 index, sgid_tbl->max);
222 return -EINVAL;
223 }
224 memcpy(gid, &sgid_tbl->tbl[index].gid, sizeof(*gid));
225 return 0;
226}
227
228int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
229 struct bnxt_qplib_gid *gid, u16 vlan_id, bool update)
230{
231 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
232 struct bnxt_qplib_res,
233 sgid_tbl);
234 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
235 int index;
236
237 if (!sgid_tbl) {
238 dev_err(&res->pdev->dev, "SGID table not allocated\n");
239 return -EINVAL;
240 }
241
242 if (!sgid_tbl->active) {
243 dev_err(&res->pdev->dev, "SGID table has no active entries\n");
244 return -ENOMEM;
245 }
246 for (index = 0; index < sgid_tbl->max; index++) {
247 if (!memcmp(&sgid_tbl->tbl[index].gid, gid, sizeof(*gid)) &&
248 vlan_id == sgid_tbl->tbl[index].vlan_id)
249 break;
250 }
251 if (index == sgid_tbl->max) {
252 dev_warn(&res->pdev->dev, "GID not found in the SGID table\n");
253 return 0;
254 }
255
256 if (update) {
257 struct cmdq_delete_gid req;
258 struct creq_delete_gid_resp resp;
259 u16 cmd_flags = 0;
260 int rc;
261
262 RCFW_CMD_PREP(req, DELETE_GID, cmd_flags);
263 if (sgid_tbl->hw_id[index] == 0xFFFF) {
264 dev_err(&res->pdev->dev,
265 "GID entry contains an invalid HW id\n");
266 return -EINVAL;
267 }
268 req.gid_index = cpu_to_le16(sgid_tbl->hw_id[index]);
269 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
270 (void *)&resp, NULL, 0);
271 if (rc)
272 return rc;
273 }
274 memcpy(&sgid_tbl->tbl[index].gid, &bnxt_qplib_gid_zero,
275 sizeof(bnxt_qplib_gid_zero));
276 sgid_tbl->tbl[index].vlan_id = 0xFFFF;
277 sgid_tbl->vlan[index] = 0;
278 sgid_tbl->active--;
279 dev_dbg(&res->pdev->dev,
280 "SGID deleted hw_id[0x%x] = 0x%x active = 0x%x\n",
281 index, sgid_tbl->hw_id[index], sgid_tbl->active);
282 sgid_tbl->hw_id[index] = (u16)-1;
283
284
285 return 0;
286}
287
288int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
289 struct bnxt_qplib_gid *gid, u8 *smac, u16 vlan_id,
290 bool update, u32 *index)
291{
292 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
293 struct bnxt_qplib_res,
294 sgid_tbl);
295 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
296 int i, free_idx;
297
298 if (!sgid_tbl) {
299 dev_err(&res->pdev->dev, "SGID table not allocated\n");
300 return -EINVAL;
301 }
302
303 if (sgid_tbl->active == sgid_tbl->max) {
304 dev_err(&res->pdev->dev, "SGID table is full\n");
305 return -ENOMEM;
306 }
307 free_idx = sgid_tbl->max;
308 for (i = 0; i < sgid_tbl->max; i++) {
309 if (!memcmp(&sgid_tbl->tbl[i], gid, sizeof(*gid)) &&
310 sgid_tbl->tbl[i].vlan_id == vlan_id) {
311 dev_dbg(&res->pdev->dev,
312 "SGID entry already exist in entry %d!\n", i);
313 *index = i;
314 return -EALREADY;
315 } else if (!memcmp(&sgid_tbl->tbl[i], &bnxt_qplib_gid_zero,
316 sizeof(bnxt_qplib_gid_zero)) &&
317 free_idx == sgid_tbl->max) {
318 free_idx = i;
319 }
320 }
321 if (free_idx == sgid_tbl->max) {
322 dev_err(&res->pdev->dev,
323 "SGID table is FULL but count is not MAX??\n");
324 return -ENOMEM;
325 }
326 if (update) {
327 struct cmdq_add_gid req;
328 struct creq_add_gid_resp resp;
329 u16 cmd_flags = 0;
330 int rc;
331
332 RCFW_CMD_PREP(req, ADD_GID, cmd_flags);
333
334 req.gid[0] = cpu_to_be32(((u32 *)gid->data)[3]);
335 req.gid[1] = cpu_to_be32(((u32 *)gid->data)[2]);
336 req.gid[2] = cpu_to_be32(((u32 *)gid->data)[1]);
337 req.gid[3] = cpu_to_be32(((u32 *)gid->data)[0]);
338
339
340
341
342
343 if ((vlan_id != 0xFFFF) || res->prio) {
344 if (vlan_id != 0xFFFF)
345 req.vlan = cpu_to_le16
346 (vlan_id & CMDQ_ADD_GID_VLAN_VLAN_ID_MASK);
347 req.vlan |= cpu_to_le16
348 (CMDQ_ADD_GID_VLAN_TPID_TPID_8100 |
349 CMDQ_ADD_GID_VLAN_VLAN_EN);
350 }
351
352
353 req.src_mac[0] = cpu_to_be16(((u16 *)smac)[0]);
354 req.src_mac[1] = cpu_to_be16(((u16 *)smac)[1]);
355 req.src_mac[2] = cpu_to_be16(((u16 *)smac)[2]);
356
357 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
358 (void *)&resp, NULL, 0);
359 if (rc)
360 return rc;
361 sgid_tbl->hw_id[free_idx] = le32_to_cpu(resp.xid);
362 }
363
364 memcpy(&sgid_tbl->tbl[free_idx], gid, sizeof(*gid));
365 sgid_tbl->tbl[free_idx].vlan_id = vlan_id;
366 sgid_tbl->active++;
367 if (vlan_id != 0xFFFF)
368 sgid_tbl->vlan[free_idx] = 1;
369
370 dev_dbg(&res->pdev->dev,
371 "SGID added hw_id[0x%x] = 0x%x active = 0x%x\n",
372 free_idx, sgid_tbl->hw_id[free_idx], sgid_tbl->active);
373
374 *index = free_idx;
375
376 return 0;
377}
378
379int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
380 struct bnxt_qplib_gid *gid, u16 gid_idx,
381 u8 *smac)
382{
383 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
384 struct bnxt_qplib_res,
385 sgid_tbl);
386 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
387 struct creq_modify_gid_resp resp;
388 struct cmdq_modify_gid req;
389 int rc;
390 u16 cmd_flags = 0;
391
392 RCFW_CMD_PREP(req, MODIFY_GID, cmd_flags);
393
394 req.gid[0] = cpu_to_be32(((u32 *)gid->data)[3]);
395 req.gid[1] = cpu_to_be32(((u32 *)gid->data)[2]);
396 req.gid[2] = cpu_to_be32(((u32 *)gid->data)[1]);
397 req.gid[3] = cpu_to_be32(((u32 *)gid->data)[0]);
398 if (res->prio) {
399 req.vlan |= cpu_to_le16
400 (CMDQ_ADD_GID_VLAN_TPID_TPID_8100 |
401 CMDQ_ADD_GID_VLAN_VLAN_EN);
402 }
403
404
405 req.src_mac[0] = cpu_to_be16(((u16 *)smac)[0]);
406 req.src_mac[1] = cpu_to_be16(((u16 *)smac)[1]);
407 req.src_mac[2] = cpu_to_be16(((u16 *)smac)[2]);
408
409 req.gid_index = cpu_to_le16(gid_idx);
410
411 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
412 (void *)&resp, NULL, 0);
413 return rc;
414}
415
416
417int bnxt_qplib_get_pkey(struct bnxt_qplib_res *res,
418 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 index,
419 u16 *pkey)
420{
421 if (index == 0xFFFF) {
422 *pkey = 0xFFFF;
423 return 0;
424 }
425 if (index >= pkey_tbl->max) {
426 dev_err(&res->pdev->dev,
427 "Index %d exceeded PKEY table max (%d)\n",
428 index, pkey_tbl->max);
429 return -EINVAL;
430 }
431 memcpy(pkey, &pkey_tbl->tbl[index], sizeof(*pkey));
432 return 0;
433}
434
435int bnxt_qplib_del_pkey(struct bnxt_qplib_res *res,
436 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
437 bool update)
438{
439 int i, rc = 0;
440
441 if (!pkey_tbl) {
442 dev_err(&res->pdev->dev, "PKEY table not allocated\n");
443 return -EINVAL;
444 }
445
446
447 if (!pkey_tbl->active) {
448 dev_err(&res->pdev->dev, "PKEY table has no active entries\n");
449 return -ENOMEM;
450 }
451 for (i = 0; i < pkey_tbl->max; i++) {
452 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey)))
453 break;
454 }
455 if (i == pkey_tbl->max) {
456 dev_err(&res->pdev->dev,
457 "PKEY 0x%04x not found in the pkey table\n", *pkey);
458 return -ENOMEM;
459 }
460 memset(&pkey_tbl->tbl[i], 0, sizeof(*pkey));
461 pkey_tbl->active--;
462
463
464 return rc;
465}
466
467int bnxt_qplib_add_pkey(struct bnxt_qplib_res *res,
468 struct bnxt_qplib_pkey_tbl *pkey_tbl, u16 *pkey,
469 bool update)
470{
471 int i, free_idx, rc = 0;
472
473 if (!pkey_tbl) {
474 dev_err(&res->pdev->dev, "PKEY table not allocated\n");
475 return -EINVAL;
476 }
477
478
479 if (pkey_tbl->active == pkey_tbl->max) {
480 dev_err(&res->pdev->dev, "PKEY table is full\n");
481 return -ENOMEM;
482 }
483 free_idx = pkey_tbl->max;
484 for (i = 0; i < pkey_tbl->max; i++) {
485 if (!memcmp(&pkey_tbl->tbl[i], pkey, sizeof(*pkey)))
486 return -EALREADY;
487 else if (!pkey_tbl->tbl[i] && free_idx == pkey_tbl->max)
488 free_idx = i;
489 }
490 if (free_idx == pkey_tbl->max) {
491 dev_err(&res->pdev->dev,
492 "PKEY table is FULL but count is not MAX??\n");
493 return -ENOMEM;
494 }
495
496 memcpy(&pkey_tbl->tbl[free_idx], pkey, sizeof(*pkey));
497 pkey_tbl->active++;
498
499
500 return rc;
501}
502
503
504int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
505 bool block)
506{
507 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
508 struct cmdq_create_ah req;
509 struct creq_create_ah_resp resp;
510 u16 cmd_flags = 0;
511 u32 temp32[4];
512 u16 temp16[3];
513 int rc;
514
515 RCFW_CMD_PREP(req, CREATE_AH, cmd_flags);
516
517 memcpy(temp32, ah->dgid.data, sizeof(struct bnxt_qplib_gid));
518 req.dgid[0] = cpu_to_le32(temp32[0]);
519 req.dgid[1] = cpu_to_le32(temp32[1]);
520 req.dgid[2] = cpu_to_le32(temp32[2]);
521 req.dgid[3] = cpu_to_le32(temp32[3]);
522
523 req.type = ah->nw_type;
524 req.hop_limit = ah->hop_limit;
525 req.sgid_index = cpu_to_le16(res->sgid_tbl.hw_id[ah->sgid_index]);
526 req.dest_vlan_id_flow_label = cpu_to_le32((ah->flow_label &
527 CMDQ_CREATE_AH_FLOW_LABEL_MASK) |
528 CMDQ_CREATE_AH_DEST_VLAN_ID_MASK);
529 req.pd_id = cpu_to_le32(ah->pd->id);
530 req.traffic_class = ah->traffic_class;
531
532
533 memcpy(temp16, ah->dmac, 6);
534 req.dest_mac[0] = cpu_to_le16(temp16[0]);
535 req.dest_mac[1] = cpu_to_le16(temp16[1]);
536 req.dest_mac[2] = cpu_to_le16(temp16[2]);
537
538 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
539 NULL, block);
540 if (rc)
541 return rc;
542
543 ah->id = le32_to_cpu(resp.xid);
544 return 0;
545}
546
547void bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
548 bool block)
549{
550 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
551 struct cmdq_destroy_ah req;
552 struct creq_destroy_ah_resp resp;
553 u16 cmd_flags = 0;
554
555
556 RCFW_CMD_PREP(req, DESTROY_AH, cmd_flags);
557
558 req.ah_cid = cpu_to_le32(ah->id);
559
560 bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, NULL,
561 block);
562}
563
564
565int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw)
566{
567 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
568 struct cmdq_deallocate_key req;
569 struct creq_deallocate_key_resp resp;
570 u16 cmd_flags = 0;
571 int rc;
572
573 if (mrw->lkey == 0xFFFFFFFF) {
574 dev_info(&res->pdev->dev, "SP: Free a reserved lkey MRW\n");
575 return 0;
576 }
577
578 RCFW_CMD_PREP(req, DEALLOCATE_KEY, cmd_flags);
579
580 req.mrw_flags = mrw->type;
581
582 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) ||
583 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) ||
584 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B))
585 req.key = cpu_to_le32(mrw->rkey);
586 else
587 req.key = cpu_to_le32(mrw->lkey);
588
589 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
590 NULL, 0);
591 if (rc)
592 return rc;
593
594
595 if (mrw->hwq.max_elements)
596 bnxt_qplib_free_hwq(res, &mrw->hwq);
597
598 return 0;
599}
600
601int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw)
602{
603 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
604 struct cmdq_allocate_mrw req;
605 struct creq_allocate_mrw_resp resp;
606 u16 cmd_flags = 0;
607 unsigned long tmp;
608 int rc;
609
610 RCFW_CMD_PREP(req, ALLOCATE_MRW, cmd_flags);
611
612 req.pd_id = cpu_to_le32(mrw->pd->id);
613 req.mrw_flags = mrw->type;
614 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_PMR &&
615 mrw->flags & BNXT_QPLIB_FR_PMR) ||
616 mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A ||
617 mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B)
618 req.access = CMDQ_ALLOCATE_MRW_ACCESS_CONSUMER_OWNED_KEY;
619 tmp = (unsigned long)mrw;
620 req.mrw_handle = cpu_to_le64(tmp);
621
622 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
623 (void *)&resp, NULL, 0);
624 if (rc)
625 return rc;
626
627 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) ||
628 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) ||
629 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B))
630 mrw->rkey = le32_to_cpu(resp.xid);
631 else
632 mrw->lkey = le32_to_cpu(resp.xid);
633 return 0;
634}
635
636int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
637 bool block)
638{
639 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
640 struct cmdq_deregister_mr req;
641 struct creq_deregister_mr_resp resp;
642 u16 cmd_flags = 0;
643 int rc;
644
645 RCFW_CMD_PREP(req, DEREGISTER_MR, cmd_flags);
646
647 req.lkey = cpu_to_le32(mrw->lkey);
648 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
649 (void *)&resp, NULL, block);
650 if (rc)
651 return rc;
652
653
654 if (mrw->hwq.max_elements) {
655 mrw->va = 0;
656 mrw->total_size = 0;
657 bnxt_qplib_free_hwq(res, &mrw->hwq);
658 }
659
660 return 0;
661}
662
663int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
664 struct ib_umem *umem, int num_pbls, u32 buf_pg_size)
665{
666 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
667 struct bnxt_qplib_hwq_attr hwq_attr = {};
668 struct bnxt_qplib_sg_info sginfo = {};
669 struct creq_register_mr_resp resp;
670 struct cmdq_register_mr req;
671 u16 cmd_flags = 0, level;
672 int pages, rc;
673 u32 pg_size;
674
675 if (num_pbls) {
676 pages = roundup_pow_of_two(num_pbls);
677
678
679
680
681 if (mr->hwq.max_elements)
682 bnxt_qplib_free_hwq(res, &mr->hwq);
683
684 hwq_attr.res = res;
685 hwq_attr.depth = pages;
686 hwq_attr.stride = buf_pg_size;
687 hwq_attr.type = HWQ_TYPE_MR;
688 hwq_attr.sginfo = &sginfo;
689 hwq_attr.sginfo->umem = umem;
690 hwq_attr.sginfo->npages = pages;
691 hwq_attr.sginfo->pgsize = PAGE_SIZE;
692 hwq_attr.sginfo->pgshft = PAGE_SHIFT;
693 rc = bnxt_qplib_alloc_init_hwq(&mr->hwq, &hwq_attr);
694 if (rc) {
695 dev_err(&res->pdev->dev,
696 "SP: Reg MR memory allocation failed\n");
697 return -ENOMEM;
698 }
699 }
700
701 RCFW_CMD_PREP(req, REGISTER_MR, cmd_flags);
702
703
704 if (mr->hwq.level == PBL_LVL_MAX) {
705
706 level = 0;
707 req.pbl = 0;
708 pg_size = PAGE_SIZE;
709 } else {
710 level = mr->hwq.level;
711 req.pbl = cpu_to_le64(mr->hwq.pbl[PBL_LVL_0].pg_map_arr[0]);
712 }
713 pg_size = buf_pg_size ? buf_pg_size : PAGE_SIZE;
714 req.log2_pg_size_lvl = (level << CMDQ_REGISTER_MR_LVL_SFT) |
715 ((ilog2(pg_size) <<
716 CMDQ_REGISTER_MR_LOG2_PG_SIZE_SFT) &
717 CMDQ_REGISTER_MR_LOG2_PG_SIZE_MASK);
718 req.log2_pbl_pg_size = cpu_to_le16(((ilog2(PAGE_SIZE) <<
719 CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_SFT) &
720 CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_MASK));
721 req.access = (mr->flags & 0xFFFF);
722 req.va = cpu_to_le64(mr->va);
723 req.key = cpu_to_le32(mr->lkey);
724 req.mr_size = cpu_to_le64(mr->total_size);
725
726 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
727 (void *)&resp, NULL, false);
728 if (rc)
729 goto fail;
730
731 return 0;
732
733fail:
734 if (mr->hwq.max_elements)
735 bnxt_qplib_free_hwq(res, &mr->hwq);
736 return rc;
737}
738
739int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
740 struct bnxt_qplib_frpl *frpl,
741 int max_pg_ptrs)
742{
743 struct bnxt_qplib_hwq_attr hwq_attr = {};
744 struct bnxt_qplib_sg_info sginfo = {};
745 int pg_ptrs, pages, rc;
746
747
748 pg_ptrs = roundup_pow_of_two(max_pg_ptrs);
749 pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT;
750 if (!pages)
751 pages++;
752
753 if (pages > MAX_PBL_LVL_1_PGS)
754 return -ENOMEM;
755
756 sginfo.pgsize = PAGE_SIZE;
757 sginfo.nopte = true;
758
759 hwq_attr.res = res;
760 hwq_attr.depth = pg_ptrs;
761 hwq_attr.stride = PAGE_SIZE;
762 hwq_attr.sginfo = &sginfo;
763 hwq_attr.type = HWQ_TYPE_CTX;
764 rc = bnxt_qplib_alloc_init_hwq(&frpl->hwq, &hwq_attr);
765 if (!rc)
766 frpl->max_pg_ptrs = pg_ptrs;
767
768 return rc;
769}
770
771int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
772 struct bnxt_qplib_frpl *frpl)
773{
774 bnxt_qplib_free_hwq(res, &frpl->hwq);
775 return 0;
776}
777
778int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids)
779{
780 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
781 struct cmdq_map_tc_to_cos req;
782 struct creq_map_tc_to_cos_resp resp;
783 u16 cmd_flags = 0;
784
785 RCFW_CMD_PREP(req, MAP_TC_TO_COS, cmd_flags);
786 req.cos0 = cpu_to_le16(cids[0]);
787 req.cos1 = cpu_to_le16(cids[1]);
788
789 return bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
790 NULL, 0);
791}
792
793int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
794 struct bnxt_qplib_roce_stats *stats)
795{
796 struct cmdq_query_roce_stats req;
797 struct creq_query_roce_stats_resp resp;
798 struct bnxt_qplib_rcfw_sbuf *sbuf;
799 struct creq_query_roce_stats_resp_sb *sb;
800 u16 cmd_flags = 0;
801 int rc = 0;
802
803 RCFW_CMD_PREP(req, QUERY_ROCE_STATS, cmd_flags);
804
805 sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb));
806 if (!sbuf) {
807 dev_err(&rcfw->pdev->dev,
808 "SP: QUERY_ROCE_STATS alloc side buffer failed\n");
809 return -ENOMEM;
810 }
811
812 sb = sbuf->sb;
813 req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS;
814 rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
815 (void *)sbuf, 0);
816 if (rc)
817 goto bail;
818
819 stats->to_retransmits = le64_to_cpu(sb->to_retransmits);
820 stats->seq_err_naks_rcvd = le64_to_cpu(sb->seq_err_naks_rcvd);
821 stats->max_retry_exceeded = le64_to_cpu(sb->max_retry_exceeded);
822 stats->rnr_naks_rcvd = le64_to_cpu(sb->rnr_naks_rcvd);
823 stats->missing_resp = le64_to_cpu(sb->missing_resp);
824 stats->unrecoverable_err = le64_to_cpu(sb->unrecoverable_err);
825 stats->bad_resp_err = le64_to_cpu(sb->bad_resp_err);
826 stats->local_qp_op_err = le64_to_cpu(sb->local_qp_op_err);
827 stats->local_protection_err = le64_to_cpu(sb->local_protection_err);
828 stats->mem_mgmt_op_err = le64_to_cpu(sb->mem_mgmt_op_err);
829 stats->remote_invalid_req_err = le64_to_cpu(sb->remote_invalid_req_err);
830 stats->remote_access_err = le64_to_cpu(sb->remote_access_err);
831 stats->remote_op_err = le64_to_cpu(sb->remote_op_err);
832 stats->dup_req = le64_to_cpu(sb->dup_req);
833 stats->res_exceed_max = le64_to_cpu(sb->res_exceed_max);
834 stats->res_length_mismatch = le64_to_cpu(sb->res_length_mismatch);
835 stats->res_exceeds_wqe = le64_to_cpu(sb->res_exceeds_wqe);
836 stats->res_opcode_err = le64_to_cpu(sb->res_opcode_err);
837 stats->res_rx_invalid_rkey = le64_to_cpu(sb->res_rx_invalid_rkey);
838 stats->res_rx_domain_err = le64_to_cpu(sb->res_rx_domain_err);
839 stats->res_rx_no_perm = le64_to_cpu(sb->res_rx_no_perm);
840 stats->res_rx_range_err = le64_to_cpu(sb->res_rx_range_err);
841 stats->res_tx_invalid_rkey = le64_to_cpu(sb->res_tx_invalid_rkey);
842 stats->res_tx_domain_err = le64_to_cpu(sb->res_tx_domain_err);
843 stats->res_tx_no_perm = le64_to_cpu(sb->res_tx_no_perm);
844 stats->res_tx_range_err = le64_to_cpu(sb->res_tx_range_err);
845 stats->res_irrq_oflow = le64_to_cpu(sb->res_irrq_oflow);
846 stats->res_unsup_opcode = le64_to_cpu(sb->res_unsup_opcode);
847 stats->res_unaligned_atomic = le64_to_cpu(sb->res_unaligned_atomic);
848 stats->res_rem_inv_err = le64_to_cpu(sb->res_rem_inv_err);
849 stats->res_mem_error = le64_to_cpu(sb->res_mem_error);
850 stats->res_srq_err = le64_to_cpu(sb->res_srq_err);
851 stats->res_cmp_err = le64_to_cpu(sb->res_cmp_err);
852 stats->res_invalid_dup_rkey = le64_to_cpu(sb->res_invalid_dup_rkey);
853 stats->res_wqe_format_err = le64_to_cpu(sb->res_wqe_format_err);
854 stats->res_cq_load_err = le64_to_cpu(sb->res_cq_load_err);
855 stats->res_srq_load_err = le64_to_cpu(sb->res_srq_load_err);
856 stats->res_tx_pci_err = le64_to_cpu(sb->res_tx_pci_err);
857 stats->res_rx_pci_err = le64_to_cpu(sb->res_rx_pci_err);
858 if (!rcfw->init_oos_stats) {
859 rcfw->oos_prev = le64_to_cpu(sb->res_oos_drop_count);
860 rcfw->init_oos_stats = 1;
861 } else {
862 stats->res_oos_drop_count +=
863 (le64_to_cpu(sb->res_oos_drop_count) -
864 rcfw->oos_prev) & BNXT_QPLIB_OOS_COUNT_MASK;
865 rcfw->oos_prev = le64_to_cpu(sb->res_oos_drop_count);
866 }
867
868bail:
869 bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf);
870 return rc;
871}
872
