projects / linux-block.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
bnxt_en: Refactor the HWRM_VER_GET firmware calls
[linux-block.git] / drivers / net / ethernet / broadcom / bnxt / bnxt_devlink.c
CommitLineData
3c467bf3
SL		 1/* Broadcom NetXtreme-C/E network driver.
2 *
3 * Copyright (c) 2017 Broadcom Limited
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 */
9
10#include <linux/pci.h>
11#include <linux/netdevice.h>
477edb78 12#include <net/devlink.h>
3c467bf3
SL		 13#include "bnxt_hsi.h"
14#include "bnxt.h"
15#include "bnxt_vfr.h"
16#include "bnxt_devlink.h"
d168f328
VV		 17#include "bnxt_ethtool.h"
18
19static int
bc75c054
JK		 20bnxt_dl_flash_update(struct devlink *dl,
21 struct devlink_flash_update_params *params,
22 struct netlink_ext_ack *extack)
d168f328
VV		 23{
24 struct bnxt *bp = bnxt_get_bp_from_dl(dl);
8159cbe3 25 int rc;
d168f328 26
d168f328
VV		 27 if (!BNXT_PF(bp)) {
28 NL_SET_ERR_MSG_MOD(extack,
29 "flash update not supported from a VF");
30 return -EPERM;
31 }
32
22ec3d23 33 devlink_flash_update_status_notify(dl, "Preparing to flash", NULL, 0, 0);
b44cfd4f 34 rc = bnxt_flash_package_from_fw_obj(bp->dev, params->fw, 0);
8159cbe3 35 if (!rc)
22ec3d23 36 devlink_flash_update_status_notify(dl, "Flashing done", NULL, 0, 0);
8159cbe3 37 else
22ec3d23 38 devlink_flash_update_status_notify(dl, "Flashing failed", NULL, 0, 0);
8159cbe3 39 return rc;
d168f328 40}
3c467bf3 41
6763c779 42static int bnxt_fw_reporter_diagnose(struct devlink_health_reporter *reporter,
e7a98105
JP		 43 struct devlink_fmsg *fmsg,
44 struct netlink_ext_ack *extack)
6763c779
VV		 45{
46 struct bnxt *bp = devlink_health_reporter_priv(reporter);
fe1b8535 47 u32 val;
6763c779
VV		 48 int rc;
49
0797c10d 50 if (test_bit(BNXT_STATE_IN_FW_RESET, &bp->state))
6763c779
VV		 51 return 0;
52
53 val = bnxt_fw_health_readl(bp, BNXT_FW_HEALTH_REG);
6763c779 54
fe1b8535 55 if (BNXT_FW_IS_BOOTING(val)) {
f255ed1c
VV		 56 rc = devlink_fmsg_string_pair_put(fmsg, "Description",
57 "Not yet completed initialization");
6763c779
VV		 58 if (rc)
59 return rc;
fe1b8535 60 } else if (BNXT_FW_IS_ERR(val)) {
f255ed1c
VV		 61 rc = devlink_fmsg_string_pair_put(fmsg, "Description",
62 "Encountered fatal error and cannot recover");
6763c779
VV		 63 if (rc)
64 return rc;
65 }
66
67 if (val >> 16) {
f255ed1c 68 rc = devlink_fmsg_u32_pair_put(fmsg, "Error code", val >> 16);
6763c779
VV		 69 if (rc)
70 return rc;
71 }
72
73 val = bnxt_fw_health_readl(bp, BNXT_FW_RESET_CNT_REG);
74 rc = devlink_fmsg_u32_pair_put(fmsg, "Reset count", val);
75 if (rc)
76 return rc;
77
78 return 0;
79}
80
81static const struct devlink_health_reporter_ops bnxt_dl_fw_reporter_ops = {
82 .name = "fw",
83 .diagnose = bnxt_fw_reporter_diagnose,
84};
85
657a33c8 86static int bnxt_fw_reset_recover(struct devlink_health_reporter *reporter,
e7a98105
JP		 87 void *priv_ctx,
88 struct netlink_ext_ack *extack)
657a33c8
VV		 89{
90 struct bnxt *bp = devlink_health_reporter_priv(reporter);
91
92 if (!priv_ctx)
93 return -EOPNOTSUPP;
94
95 bnxt_fw_reset(bp);
737d7a6c 96 return -EINPROGRESS;
657a33c8
VV		 97}
98
99static const
100struct devlink_health_reporter_ops bnxt_dl_fw_reset_reporter_ops = {
101 .name = "fw_reset",
102 .recover = bnxt_fw_reset_recover,
103};
104
acfb50e4 105static int bnxt_fw_fatal_recover(struct devlink_health_reporter *reporter,
e7a98105
JP		 106 void *priv_ctx,
107 struct netlink_ext_ack *extack)
acfb50e4
VV		 108{
109 struct bnxt *bp = devlink_health_reporter_priv(reporter);
110 struct bnxt_fw_reporter_ctx *fw_reporter_ctx = priv_ctx;
111 unsigned long event;
112
113 if (!priv_ctx)
114 return -EOPNOTSUPP;
115
e4e38237 116 bp->fw_health->fatal = true;
acfb50e4
VV		 117 event = fw_reporter_ctx->sp_event;
118 if (event == BNXT_FW_RESET_NOTIFY_SP_EVENT)
119 bnxt_fw_reset(bp);
120 else if (event == BNXT_FW_EXCEPTION_SP_EVENT)
121 bnxt_fw_exception(bp);
122
737d7a6c 123 return -EINPROGRESS;
acfb50e4
VV		 124}
125
126static const
127struct devlink_health_reporter_ops bnxt_dl_fw_fatal_reporter_ops = {
128 .name = "fw_fatal",
129 .recover = bnxt_fw_fatal_recover,
130};
131
937f188c 132void bnxt_dl_fw_reporters_create(struct bnxt *bp)
6763c779
VV		 133{
134 struct bnxt_fw_health *health = bp->fw_health;
135
937f188c 136 if (!bp->dl || !health)
6763c779
VV		 137 return;
138
937f188c
VV		 139 if (!(bp->fw_cap & BNXT_FW_CAP_HOT_RESET) || health->fw_reset_reporter)
140 goto err_recovery;
657a33c8
VV		 141
142 health->fw_reset_reporter =
143 devlink_health_reporter_create(bp->dl,
144 &bnxt_dl_fw_reset_reporter_ops,
ba7d16c7 145 0, bp);
657a33c8
VV		 146 if (IS_ERR(health->fw_reset_reporter)) {
147 netdev_warn(bp->dev, "Failed to create FW fatal health reporter, rc = %ld\n",
148 PTR_ERR(health->fw_reset_reporter));
149 health->fw_reset_reporter = NULL;
937f188c 150 bp->fw_cap &= ~BNXT_FW_CAP_HOT_RESET;
657a33c8 151 }
acfb50e4 152
937f188c
VV		 153err_recovery:
154 if (!(bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY))
155 return;
156
157 if (!health->fw_reporter) {
158 health->fw_reporter =
159 devlink_health_reporter_create(bp->dl,
160 &bnxt_dl_fw_reporter_ops,
ba7d16c7 161 0, bp);
937f188c
VV		 162 if (IS_ERR(health->fw_reporter)) {
163 netdev_warn(bp->dev, "Failed to create FW health reporter, rc = %ld\n",
164 PTR_ERR(health->fw_reporter));
165 health->fw_reporter = NULL;
166 bp->fw_cap &= ~BNXT_FW_CAP_ERROR_RECOVERY;
167 return;
168 }
169 }
170
171 if (health->fw_fatal_reporter)
172 return;
173
acfb50e4
VV		 174 health->fw_fatal_reporter =
175 devlink_health_reporter_create(bp->dl,
176 &bnxt_dl_fw_fatal_reporter_ops,
ba7d16c7 177 0, bp);
acfb50e4
VV		 178 if (IS_ERR(health->fw_fatal_reporter)) {
179 netdev_warn(bp->dev, "Failed to create FW fatal health reporter, rc = %ld\n",
180 PTR_ERR(health->fw_fatal_reporter));
181 health->fw_fatal_reporter = NULL;
937f188c 182 bp->fw_cap &= ~BNXT_FW_CAP_ERROR_RECOVERY;
acfb50e4 183 }
6763c779
VV		 184}
185
937f188c 186void bnxt_dl_fw_reporters_destroy(struct bnxt *bp, bool all)
6763c779
VV		 187{
188 struct bnxt_fw_health *health = bp->fw_health;
189
937f188c 190 if (!bp->dl || !health)
6763c779
VV		 191 return;
192
937f188c
VV		 193 if ((all || !(bp->fw_cap & BNXT_FW_CAP_HOT_RESET)) &&
194 health->fw_reset_reporter) {
657a33c8 195 devlink_health_reporter_destroy(health->fw_reset_reporter);
937f188c
VV		 196 health->fw_reset_reporter = NULL;
197 }
acfb50e4 198
937f188c
VV		 199 if ((bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY) && !all)
200 return;
201
202 if (health->fw_reporter) {
203 devlink_health_reporter_destroy(health->fw_reporter);
204 health->fw_reporter = NULL;
205 }
206
207 if (health->fw_fatal_reporter) {
acfb50e4 208 devlink_health_reporter_destroy(health->fw_fatal_reporter);
937f188c
VV		 209 health->fw_fatal_reporter = NULL;
210 }
657a33c8
VV		 211}
212
213void bnxt_devlink_health_report(struct bnxt *bp, unsigned long event)
214{
215 struct bnxt_fw_health *fw_health = bp->fw_health;
216 struct bnxt_fw_reporter_ctx fw_reporter_ctx;
217
657a33c8
VV		 218 fw_reporter_ctx.sp_event = event;
219 switch (event) {
220 case BNXT_FW_RESET_NOTIFY_SP_EVENT:
acfb50e4
VV		 221 if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state)) {
222 if (!fw_health->fw_fatal_reporter)
223 return;
224
225 devlink_health_report(fw_health->fw_fatal_reporter,
226 "FW fatal async event received",
227 &fw_reporter_ctx);
228 return;
229 }
657a33c8
VV		 230 if (!fw_health->fw_reset_reporter)
231 return;
232
233 devlink_health_report(fw_health->fw_reset_reporter,
234 "FW non-fatal reset event received",
235 &fw_reporter_ctx);
236 return;
acfb50e4
VV		 237
238 case BNXT_FW_EXCEPTION_SP_EVENT:
239 if (!fw_health->fw_fatal_reporter)
240 return;
241
242 devlink_health_report(fw_health->fw_fatal_reporter,
243 "FW fatal error reported",
244 &fw_reporter_ctx);
245 return;
657a33c8 246 }
6763c779
VV		 247}
248
e4e38237
VV		 249void bnxt_dl_health_status_update(struct bnxt *bp, bool healthy)
250{
251 struct bnxt_fw_health *health = bp->fw_health;
252 u8 state;
253
254 if (healthy)
255 state = DEVLINK_HEALTH_REPORTER_STATE_HEALTHY;
256 else
257 state = DEVLINK_HEALTH_REPORTER_STATE_ERROR;
258
259 if (health->fatal)
260 devlink_health_reporter_state_update(health->fw_fatal_reporter,
261 state);
262 else
263 devlink_health_reporter_state_update(health->fw_reset_reporter,
264 state);
265
266 health->fatal = false;
267}
268
737d7a6c
VG		 269void bnxt_dl_health_recovery_done(struct bnxt *bp)
270{
271 struct bnxt_fw_health *hlth = bp->fw_health;
272
273 if (hlth->fatal)
274 devlink_health_reporter_recovery_done(hlth->fw_fatal_reporter);
275 else
276 devlink_health_reporter_recovery_done(hlth->fw_reset_reporter);
277}
278
9599e036
VV		 279static int bnxt_dl_info_get(struct devlink *dl, struct devlink_info_req *req,
280 struct netlink_ext_ack *extack);
281
3c467bf3
SL		 282static const struct devlink_ops bnxt_dl_ops = {
283#ifdef CONFIG_BNXT_SRIOV
284 .eswitch_mode_set = bnxt_dl_eswitch_mode_set,
285 .eswitch_mode_get = bnxt_dl_eswitch_mode_get,
286#endif /* CONFIG_BNXT_SRIOV */
9599e036 287 .info_get = bnxt_dl_info_get,
d168f328 288 .flash_update = bnxt_dl_flash_update,
3c467bf3
SL		 289};
290
7e334fc8
VV		 291static const struct devlink_ops bnxt_vf_dl_ops;
292
2dc0865e
VV		 293enum bnxt_dl_param_id {
294 BNXT_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX,
295 BNXT_DEVLINK_PARAM_ID_GRE_VER_CHECK,
296};
297
6354b95e
VV		 298static const struct bnxt_dl_nvm_param nvm_params[] = {
299 {DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, NVM_OFF_ENABLE_SRIOV,
c329230c 300 BNXT_NVM_SHARED_CFG, 1, 1},
7d859234 301 {DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, NVM_OFF_IGNORE_ARI,
c329230c 302 BNXT_NVM_SHARED_CFG, 1, 1},
f399e849 303 {DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
c329230c 304 NVM_OFF_MSIX_VEC_PER_PF_MAX, BNXT_NVM_SHARED_CFG, 10, 4},
f399e849 305 {DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
c329230c 306 NVM_OFF_MSIX_VEC_PER_PF_MIN, BNXT_NVM_SHARED_CFG, 7, 4},
2dc0865e 307 {BNXT_DEVLINK_PARAM_ID_GRE_VER_CHECK, NVM_OFF_DIS_GRE_VER_CHECK,
c329230c 308 BNXT_NVM_SHARED_CFG, 1, 1},
6354b95e
VV		 309};
310
83a46a82
MC		 311union bnxt_nvm_data {
312 u8 val8;
313 __le32 val32;
314};
315
316static void bnxt_copy_to_nvm_data(union bnxt_nvm_data *dst,
317 union devlink_param_value *src,
318 int nvm_num_bits, int dl_num_bytes)
319{
320 u32 val32 = 0;
321
322 if (nvm_num_bits == 1) {
323 dst->val8 = src->vbool;
324 return;
325 }
326 if (dl_num_bytes == 4)
327 val32 = src->vu32;
328 else if (dl_num_bytes == 2)
329 val32 = (u32)src->vu16;
330 else if (dl_num_bytes == 1)
331 val32 = (u32)src->vu8;
332 dst->val32 = cpu_to_le32(val32);
333}
334
335static void bnxt_copy_from_nvm_data(union devlink_param_value *dst,
336 union bnxt_nvm_data *src,
337 int nvm_num_bits, int dl_num_bytes)
338{
339 u32 val32;
340
341 if (nvm_num_bits == 1) {
342 dst->vbool = src->val8;
343 return;
344 }
345 val32 = le32_to_cpu(src->val32);
346 if (dl_num_bytes == 4)
347 dst->vu32 = val32;
348 else if (dl_num_bytes == 2)
349 dst->vu16 = (u16)val32;
350 else if (dl_num_bytes == 1)
351 dst->vu8 = (u8)val32;
352}
353
9599e036
VV		 354static int bnxt_hwrm_get_nvm_cfg_ver(struct bnxt *bp,
355 union devlink_param_value *nvm_cfg_ver)
356{
357 struct hwrm_nvm_get_variable_input req = {0};
358 union bnxt_nvm_data *data;
359 dma_addr_t data_dma_addr;
360 int rc;
361
362 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_VARIABLE, -1, -1);
363 data = dma_alloc_coherent(&bp->pdev->dev, sizeof(*data),
364 &data_dma_addr, GFP_KERNEL);
365 if (!data)
366 return -ENOMEM;
367
368 req.dest_data_addr = cpu_to_le64(data_dma_addr);
369 req.data_len = cpu_to_le16(BNXT_NVM_CFG_VER_BITS);
370 req.option_num = cpu_to_le16(NVM_OFF_NVM_CFG_VER);
371
372 rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
373 if (!rc)
374 bnxt_copy_from_nvm_data(nvm_cfg_ver, data,
375 BNXT_NVM_CFG_VER_BITS,
376 BNXT_NVM_CFG_VER_BYTES);
377
378 dma_free_coherent(&bp->pdev->dev, sizeof(*data), data, data_dma_addr);
379 return rc;
380}
381
7154917a
VV		 382static int bnxt_dl_info_put(struct bnxt *bp, struct devlink_info_req *req,
383 enum bnxt_dl_version_type type, const char *key,
384 char *buf)
385{
386 if (!strlen(buf))
387 return 0;
388
389 if ((bp->flags & BNXT_FLAG_CHIP_P5) &&
390 (!strcmp(key, DEVLINK_INFO_VERSION_GENERIC_FW_NCSI) ||
391 !strcmp(key, DEVLINK_INFO_VERSION_GENERIC_FW_ROCE)))
392 return 0;
393
394 switch (type) {
395 case BNXT_VERSION_FIXED:
396 return devlink_info_version_fixed_put(req, key, buf);
397 case BNXT_VERSION_RUNNING:
398 return devlink_info_version_running_put(req, key, buf);
399 case BNXT_VERSION_STORED:
400 return devlink_info_version_stored_put(req, key, buf);
401 }
402 return 0;
403}
404
405#define HWRM_FW_VER_STR_LEN 16
406
9599e036
VV		 407static int bnxt_dl_info_get(struct devlink *dl, struct devlink_info_req *req,
408 struct netlink_ext_ack *extack)
409{
1388875b 410 struct hwrm_nvm_get_dev_info_output nvm_dev_info;
9599e036
VV		 411 struct bnxt *bp = bnxt_get_bp_from_dl(dl);
412 union devlink_param_value nvm_cfg_ver;
413 struct hwrm_ver_get_output *ver_resp;
414 char mgmt_ver[FW_VER_STR_LEN];
415 char roce_ver[FW_VER_STR_LEN];
7154917a 416 char ncsi_ver[FW_VER_STR_LEN];
9599e036
VV		 417 char buf[32];
418 int rc;
419
420 rc = devlink_info_driver_name_put(req, DRV_MODULE_NAME);
421 if (rc)
422 return rc;
423
7154917a
VV		 424 if (BNXT_PF(bp) && (bp->flags & BNXT_FLAG_DSN_VALID)) {
425 sprintf(buf, "%02X-%02X-%02X-%02X-%02X-%02X-%02X-%02X",
426 bp->dsn[7], bp->dsn[6], bp->dsn[5], bp->dsn[4],
427 bp->dsn[3], bp->dsn[2], bp->dsn[1], bp->dsn[0]);
428 rc = devlink_info_serial_number_put(req, buf);
56d69c78
VV		 429 if (rc)
430 return rc;
431 }
432
9bf88b9f
VV		 433 if (strlen(bp->board_serialno)) {
434 rc = devlink_info_board_serial_number_put(req, bp->board_serialno);
435 if (rc)
436 return rc;
437 }
438
7154917a
VV		 439 rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_FIXED,
440 DEVLINK_INFO_VERSION_GENERIC_BOARD_ID,
441 bp->board_partno);
442 if (rc)
443 return rc;
444
9599e036 445 sprintf(buf, "%X", bp->chip_num);
7154917a
VV		 446 rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_FIXED,
447 DEVLINK_INFO_VERSION_GENERIC_ASIC_ID, buf);
9599e036
VV		 448 if (rc)
449 return rc;
450
451 ver_resp = &bp->ver_resp;
452 sprintf(buf, "%X", ver_resp->chip_rev);
7154917a
VV		 453 rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_FIXED,
454 DEVLINK_INFO_VERSION_GENERIC_ASIC_REV, buf);
9599e036
VV		 455 if (rc)
456 return rc;
457
1388875b
VV		 458 rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_RUNNING,
459 DEVLINK_INFO_VERSION_GENERIC_FW_PSID,
460 bp->nvm_cfg_ver);
461 if (rc)
462 return rc;
463
7154917a
VV		 464 buf[0] = 0;
465 strncat(buf, ver_resp->active_pkg_name, HWRM_FW_VER_STR_LEN);
466 rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_RUNNING,
467 DEVLINK_INFO_VERSION_GENERIC_FW, buf);
468 if (rc)
469 return rc;
9599e036
VV		 470
471 if (BNXT_PF(bp) && !bnxt_hwrm_get_nvm_cfg_ver(bp, &nvm_cfg_ver)) {
472 u32 ver = nvm_cfg_ver.vu32;
473
db28b6c7
VV		 474 sprintf(buf, "%d.%d.%d", (ver >> 16) & 0xf, (ver >> 8) & 0xf,
475 ver & 0xf);
1388875b 476 rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_STORED,
7154917a
VV		 477 DEVLINK_INFO_VERSION_GENERIC_FW_PSID,
478 buf);
9599e036
VV		 479 if (rc)
480 return rc;
481 }
482
483 if (ver_resp->flags & VER_GET_RESP_FLAGS_EXT_VER_AVAIL) {
7154917a 484 snprintf(mgmt_ver, FW_VER_STR_LEN, "%d.%d.%d.%d",
9599e036
VV		 485 ver_resp->hwrm_fw_major, ver_resp->hwrm_fw_minor,
486 ver_resp->hwrm_fw_build, ver_resp->hwrm_fw_patch);
487
7154917a 488 snprintf(ncsi_ver, FW_VER_STR_LEN, "%d.%d.%d.%d",
9599e036
VV		 489 ver_resp->mgmt_fw_major, ver_resp->mgmt_fw_minor,
490 ver_resp->mgmt_fw_build, ver_resp->mgmt_fw_patch);
491
492 snprintf(roce_ver, FW_VER_STR_LEN, "%d.%d.%d.%d",
493 ver_resp->roce_fw_major, ver_resp->roce_fw_minor,
494 ver_resp->roce_fw_build, ver_resp->roce_fw_patch);
495 } else {
7154917a 496 snprintf(mgmt_ver, FW_VER_STR_LEN, "%d.%d.%d.%d",
9599e036
VV		 497 ver_resp->hwrm_fw_maj_8b, ver_resp->hwrm_fw_min_8b,
498 ver_resp->hwrm_fw_bld_8b, ver_resp->hwrm_fw_rsvd_8b);
499
7154917a 500 snprintf(ncsi_ver, FW_VER_STR_LEN, "%d.%d.%d.%d",
9599e036
VV		 501 ver_resp->mgmt_fw_maj_8b, ver_resp->mgmt_fw_min_8b,
502 ver_resp->mgmt_fw_bld_8b, ver_resp->mgmt_fw_rsvd_8b);
503
504 snprintf(roce_ver, FW_VER_STR_LEN, "%d.%d.%d.%d",
505 ver_resp->roce_fw_maj_8b, ver_resp->roce_fw_min_8b,
506 ver_resp->roce_fw_bld_8b, ver_resp->roce_fw_rsvd_8b);
507 }
7154917a
VV		 508 rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_RUNNING,
509 DEVLINK_INFO_VERSION_GENERIC_FW_MGMT, mgmt_ver);
9599e036
VV		 510 if (rc)
511 return rc;
512
7154917a
VV		 513 rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_RUNNING,
514 DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API,
515 bp->hwrm_ver_supp);
b7a444f0
VV		 516 if (rc)
517 return rc;
518
7154917a
VV		 519 rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_RUNNING,
520 DEVLINK_INFO_VERSION_GENERIC_FW_NCSI, ncsi_ver);
521 if (rc)
522 return rc;
9599e036 523
1388875b
VV		 524 rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_RUNNING,
525 DEVLINK_INFO_VERSION_GENERIC_FW_ROCE, roce_ver);
526 if (rc)
527 return rc;
528
529 rc = bnxt_hwrm_nvm_get_dev_info(bp, &nvm_dev_info);
530 if (rc ||
531 !(nvm_dev_info.flags & NVM_GET_DEV_INFO_RESP_FLAGS_FW_VER_VALID))
532 return 0;
533
534 buf[0] = 0;
535 strncat(buf, nvm_dev_info.pkg_name, HWRM_FW_VER_STR_LEN);
536 rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_STORED,
537 DEVLINK_INFO_VERSION_GENERIC_FW, buf);
538 if (rc)
539 return rc;
540
541 snprintf(mgmt_ver, FW_VER_STR_LEN, "%d.%d.%d.%d",
542 nvm_dev_info.hwrm_fw_major, nvm_dev_info.hwrm_fw_minor,
543 nvm_dev_info.hwrm_fw_build, nvm_dev_info.hwrm_fw_patch);
544 rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_STORED,
545 DEVLINK_INFO_VERSION_GENERIC_FW_MGMT, mgmt_ver);
546 if (rc)
547 return rc;
548
549 snprintf(ncsi_ver, FW_VER_STR_LEN, "%d.%d.%d.%d",
550 nvm_dev_info.mgmt_fw_major, nvm_dev_info.mgmt_fw_minor,
551 nvm_dev_info.mgmt_fw_build, nvm_dev_info.mgmt_fw_patch);
552 rc = bnxt_dl_info_put(bp, req, BNXT_VERSION_STORED,
553 DEVLINK_INFO_VERSION_GENERIC_FW_NCSI, ncsi_ver);
554 if (rc)
555 return rc;
556
557 snprintf(roce_ver, FW_VER_STR_LEN, "%d.%d.%d.%d",
558 nvm_dev_info.roce_fw_major, nvm_dev_info.roce_fw_minor,
559 nvm_dev_info.roce_fw_build, nvm_dev_info.roce_fw_patch);
560 return bnxt_dl_info_put(bp, req, BNXT_VERSION_STORED,
7154917a 561 DEVLINK_INFO_VERSION_GENERIC_FW_ROCE, roce_ver);
9599e036
VV		 562}
563
6354b95e
VV		 564static int bnxt_hwrm_nvm_req(struct bnxt *bp, u32 param_id, void *msg,
565 int msg_len, union devlink_param_value *val)
566{
6fc92c33 567 struct hwrm_nvm_get_variable_input *req = msg;
6354b95e 568 struct bnxt_dl_nvm_param nvm_param;
83a46a82 569 union bnxt_nvm_data *data;
6354b95e 570 dma_addr_t data_dma_addr;
c329230c 571 int idx = 0, rc, i;
6354b95e
VV		 572
573 /* Get/Set NVM CFG parameter is supported only on PFs */
574 if (BNXT_VF(bp))
575 return -EPERM;
576
577 for (i = 0; i < ARRAY_SIZE(nvm_params); i++) {
578 if (nvm_params[i].id == param_id) {
579 nvm_param = nvm_params[i];
580 break;
581 }
582 }
583
65fac4fe 584 if (i == ARRAY_SIZE(nvm_params))
585 return -EOPNOTSUPP;
586
6354b95e
VV		 587 if (nvm_param.dir_type == BNXT_NVM_PORT_CFG)
588 idx = bp->pf.port_id;
589 else if (nvm_param.dir_type == BNXT_NVM_FUNC_CFG)
590 idx = bp->pf.fw_fid - BNXT_FIRST_PF_FID;
591
83a46a82
MC		 592 data = dma_alloc_coherent(&bp->pdev->dev, sizeof(*data),
593 &data_dma_addr, GFP_KERNEL);
594 if (!data)
6354b95e
VV		 595 return -ENOMEM;
596
6fc92c33 597 req->dest_data_addr = cpu_to_le64(data_dma_addr);
c329230c 598 req->data_len = cpu_to_le16(nvm_param.nvm_num_bits);
6354b95e
VV		 599 req->option_num = cpu_to_le16(nvm_param.offset);
600 req->index_0 = cpu_to_le16(idx);
601 if (idx)
602 req->dimensions = cpu_to_le16(1);
603
b703ba75 604 if (req->req_type == cpu_to_le16(HWRM_NVM_SET_VARIABLE)) {
83a46a82
MC		 605 bnxt_copy_to_nvm_data(data, val, nvm_param.nvm_num_bits,
606 nvm_param.dl_num_bytes);
b703ba75
VV		 607 rc = hwrm_send_message(bp, msg, msg_len, HWRM_CMD_TIMEOUT);
608 } else {
609 rc = hwrm_send_message_silent(bp, msg, msg_len,
610 HWRM_CMD_TIMEOUT);
05069dd4 611 if (!rc) {
83a46a82
MC		 612 bnxt_copy_from_nvm_data(val, data,
613 nvm_param.nvm_num_bits,
614 nvm_param.dl_num_bytes);
05069dd4
VV		 615 } else {
616 struct hwrm_err_output *resp = bp->hwrm_cmd_resp_addr;
617
618 if (resp->cmd_err ==
619 NVM_GET_VARIABLE_CMD_ERR_CODE_VAR_NOT_EXIST)
620 rc = -EOPNOTSUPP;
621 }
b703ba75 622 }
83a46a82 623 dma_free_coherent(&bp->pdev->dev, sizeof(*data), data, data_dma_addr);
d4f1420d 624 if (rc == -EACCES)
3a1d52a5 625 netdev_err(bp->dev, "PF does not have admin privileges to modify NVM config\n");
d4f1420d 626 return rc;
6354b95e
VV		 627}
628
629static int bnxt_dl_nvm_param_get(struct devlink *dl, u32 id,
630 struct devlink_param_gset_ctx *ctx)
631{
632 struct hwrm_nvm_get_variable_input req = {0};
633 struct bnxt *bp = bnxt_get_bp_from_dl(dl);
2dc0865e 634 int rc;
6354b95e
VV		 635
636 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_VARIABLE, -1, -1);
2dc0865e
VV		 637 rc = bnxt_hwrm_nvm_req(bp, id, &req, sizeof(req), &ctx->val);
638 if (!rc)
639 if (id == BNXT_DEVLINK_PARAM_ID_GRE_VER_CHECK)
640 ctx->val.vbool = !ctx->val.vbool;
641
642 return rc;
6354b95e
VV		 643}
644
645static int bnxt_dl_nvm_param_set(struct devlink *dl, u32 id,
646 struct devlink_param_gset_ctx *ctx)
647{
648 struct hwrm_nvm_set_variable_input req = {0};
649 struct bnxt *bp = bnxt_get_bp_from_dl(dl);
650
651 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_SET_VARIABLE, -1, -1);
2dc0865e
VV		 652
653 if (id == BNXT_DEVLINK_PARAM_ID_GRE_VER_CHECK)
654 ctx->val.vbool = !ctx->val.vbool;
655
6354b95e
VV		 656 return bnxt_hwrm_nvm_req(bp, id, &req, sizeof(req), &ctx->val);
657}
658
f399e849
VV		 659static int bnxt_dl_msix_validate(struct devlink *dl, u32 id,
660 union devlink_param_value val,
661 struct netlink_ext_ack *extack)
662{
5fc7c12f 663 int max_val = -1;
f399e849
VV		 664
665 if (id == DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX)
666 max_val = BNXT_MSIX_VEC_MAX;
667
668 if (id == DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN)
669 max_val = BNXT_MSIX_VEC_MIN_MAX;
670
5fc7c12f 671 if (val.vu32 > max_val) {
f399e849
VV		 672 NL_SET_ERR_MSG_MOD(extack, "MSIX value is exceeding the range");
673 return -EINVAL;
674 }
675
676 return 0;
677}
678
6354b95e
VV		 679static const struct devlink_param bnxt_dl_params[] = {
680 DEVLINK_PARAM_GENERIC(ENABLE_SRIOV,
681 BIT(DEVLINK_PARAM_CMODE_PERMANENT),
682 bnxt_dl_nvm_param_get, bnxt_dl_nvm_param_set,
683 NULL),
7d859234
VV		 684 DEVLINK_PARAM_GENERIC(IGNORE_ARI,
685 BIT(DEVLINK_PARAM_CMODE_PERMANENT),
686 bnxt_dl_nvm_param_get, bnxt_dl_nvm_param_set,
687 NULL),
f399e849
VV		 688 DEVLINK_PARAM_GENERIC(MSIX_VEC_PER_PF_MAX,
689 BIT(DEVLINK_PARAM_CMODE_PERMANENT),
690 bnxt_dl_nvm_param_get, bnxt_dl_nvm_param_set,
691 bnxt_dl_msix_validate),
692 DEVLINK_PARAM_GENERIC(MSIX_VEC_PER_PF_MIN,
693 BIT(DEVLINK_PARAM_CMODE_PERMANENT),
694 bnxt_dl_nvm_param_get, bnxt_dl_nvm_param_set,
695 bnxt_dl_msix_validate),
2dc0865e
VV		 696 DEVLINK_PARAM_DRIVER(BNXT_DEVLINK_PARAM_ID_GRE_VER_CHECK,
697 "gre_ver_check", DEVLINK_PARAM_TYPE_BOOL,
698 BIT(DEVLINK_PARAM_CMODE_PERMANENT),
699 bnxt_dl_nvm_param_get, bnxt_dl_nvm_param_set,
700 NULL),
6354b95e
VV		 701};
702
782a624d 703static const struct devlink_param bnxt_dl_port_params[] = {
782a624d
VV		 704};
705
d6292ade
VV		 706static int bnxt_dl_params_register(struct bnxt *bp)
707{
708 int rc;
709
002870eb
VV		 710 if (bp->hwrm_spec_code < 0x10600)
711 return 0;
712
d6292ade
VV		 713 rc = devlink_params_register(bp->dl, bnxt_dl_params,
714 ARRAY_SIZE(bnxt_dl_params));
715 if (rc) {
9a005c38 716 netdev_warn(bp->dev, "devlink_params_register failed. rc=%d\n",
d6292ade
VV		 717 rc);
718 return rc;
719 }
720 rc = devlink_port_params_register(&bp->dl_port, bnxt_dl_port_params,
721 ARRAY_SIZE(bnxt_dl_port_params));
722 if (rc) {
9a005c38 723 netdev_err(bp->dev, "devlink_port_params_register failed\n");
d6292ade
VV		 724 devlink_params_unregister(bp->dl, bnxt_dl_params,
725 ARRAY_SIZE(bnxt_dl_params));
726 return rc;
727 }
728 devlink_params_publish(bp->dl);
729
730 return 0;
731}
732
733static void bnxt_dl_params_unregister(struct bnxt *bp)
734{
002870eb
VV		 735 if (bp->hwrm_spec_code < 0x10600)
736 return;
737
d6292ade
VV		 738 devlink_params_unregister(bp->dl, bnxt_dl_params,
739 ARRAY_SIZE(bnxt_dl_params));
740 devlink_port_params_unregister(&bp->dl_port, bnxt_dl_port_params,
741 ARRAY_SIZE(bnxt_dl_port_params));
742}
743
3c467bf3
SL		 744int bnxt_dl_register(struct bnxt *bp)
745{
919d13a7 746 const struct devlink_ops *devlink_ops;
71ad8d55 747 struct devlink_port_attrs attrs = {};
3c467bf3
SL		 748 struct devlink *dl;
749 int rc;
750
7e334fc8 751 if (BNXT_PF(bp))
919d13a7 752 devlink_ops = &bnxt_dl_ops;
7e334fc8 753 else
919d13a7
LR		 754 devlink_ops = &bnxt_vf_dl_ops;
755
756 dl = devlink_alloc(devlink_ops, sizeof(struct bnxt_dl), &bp->pdev->dev);
3c467bf3 757 if (!dl) {
9a005c38 758 netdev_warn(bp->dev, "devlink_alloc failed\n");
3c467bf3
SL		 759 return -ENOMEM;
760 }
761
762 bnxt_link_bp_to_dl(bp, dl);
6354b95e
VV		 763
764 /* Add switchdev eswitch mode setting, if SRIOV supported */
765 if (pci_find_ext_capability(bp->pdev, PCI_EXT_CAP_ID_SRIOV) &&
766 bp->hwrm_spec_code > 0x10803)
767 bp->eswitch_mode = DEVLINK_ESWITCH_MODE_LEGACY;
768
919d13a7 769 rc = devlink_register(dl);
3c467bf3 770 if (rc) {
9a005c38 771 netdev_warn(bp->dev, "devlink_register failed. rc=%d\n", rc);
6354b95e
VV		 772 goto err_dl_free;
773 }
774
7e334fc8
VV		 775 if (!BNXT_PF(bp))
776 return 0;
777
71ad8d55
DR		 778 attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL;
779 attrs.phys.port_number = bp->pf.port_id;
780 memcpy(attrs.switch_id.id, bp->dsn, sizeof(bp->dsn));
781 attrs.switch_id.id_len = sizeof(bp->dsn);
782 devlink_port_attrs_set(&bp->dl_port, &attrs);
782a624d
VV		 783 rc = devlink_port_register(dl, &bp->dl_port, bp->pf.port_id);
784 if (rc) {
9a005c38 785 netdev_err(bp->dev, "devlink_port_register failed\n");
d6292ade 786 goto err_dl_unreg;
782a624d 787 }
782a624d 788
d6292ade
VV		 789 rc = bnxt_dl_params_register(bp);
790 if (rc)
782a624d 791 goto err_dl_port_unreg;
7c62cfb8 792
3c467bf3 793 return 0;
6354b95e 794
782a624d
VV		 795err_dl_port_unreg:
796 devlink_port_unregister(&bp->dl_port);
6354b95e
VV		 797err_dl_unreg:
798 devlink_unregister(dl);
799err_dl_free:
800 bnxt_link_bp_to_dl(bp, NULL);
801 devlink_free(dl);
802 return rc;
3c467bf3
SL		 803}
804
805void bnxt_dl_unregister(struct bnxt *bp)
806{
807 struct devlink *dl = bp->dl;
808
809 if (!dl)
810 return;
811
7e334fc8 812 if (BNXT_PF(bp)) {
d6292ade 813 bnxt_dl_params_unregister(bp);
7e334fc8 814 devlink_port_unregister(&bp->dl_port);
7e334fc8 815 }
3c467bf3
SL		 816 devlink_unregister(dl);
817 devlink_free(dl);
818}
Linux 6.x block layer and io_uring tree(s)