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net/smc: Reset connection when trying to use SMCRv2 fails.
[linux-block.git] / drivers / net / ethernet / sfc / efx_devlink.c
CommitLineData
fa34a514
AL		 1// SPDX-License-Identifier: GPL-2.0-only
2/****************************************************************************
3 * Driver for AMD network controllers and boards
4 * Copyright (C) 2023, Advanced Micro Devices, Inc.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation, incorporated herein by reference.
9 */
10
11#include "net_driver.h"
fa78b017 12#include "ef100_nic.h"
fa34a514 13#include "efx_devlink.h"
14743ddd
AL		 14#include <linux/rtc.h>
15#include "mcdi.h"
16#include "mcdi_functions.h"
17#include "mcdi_pcol.h"
25414b2a
AL		 18#ifdef CONFIG_SFC_SRIOV
19#include "mae.h"
20#include "ef100_rep.h"
21#endif
fa34a514
AL		 22
23struct efx_devlink {
24 struct efx_nic *efx;
25};
26
25414b2a
AL		 27#ifdef CONFIG_SFC_SRIOV
28static void efx_devlink_del_port(struct devlink_port *dl_port)
29{
30 if (!dl_port)
31 return;
32 devl_port_unregister(dl_port);
33}
34
35static int efx_devlink_add_port(struct efx_nic *efx,
36 struct mae_mport_desc *mport)
37{
38 bool external = false;
39
40 if (!ef100_mport_on_local_intf(efx, mport))
41 external = true;
42
43 switch (mport->mport_type) {
44 case MAE_MPORT_DESC_MPORT_TYPE_VNIC:
45 if (mport->vf_idx != MAE_MPORT_DESC_VF_IDX_NULL)
46 devlink_port_attrs_pci_vf_set(&mport->dl_port, 0, mport->pf_idx,
47 mport->vf_idx,
48 external);
49 else
50 devlink_port_attrs_pci_pf_set(&mport->dl_port, 0, mport->pf_idx,
51 external);
52 break;
53 default:
54 /* MAE_MPORT_DESC_MPORT_ALIAS and UNDEFINED */
55 return 0;
56 }
57
58 mport->dl_port.index = mport->mport_id;
59
60 return devl_port_register(efx->devlink, &mport->dl_port, mport->mport_id);
61}
fa78b017
AL		 62
63static int efx_devlink_port_addr_get(struct devlink_port *port, u8 *hw_addr,
64 int *hw_addr_len,
65 struct netlink_ext_ack *extack)
66{
67 struct efx_devlink *devlink = devlink_priv(port->devlink);
68 struct mae_mport_desc *mport_desc;
69 efx_qword_t pciefn;
70 u32 client_id;
71 int rc = 0;
72
73 mport_desc = container_of(port, struct mae_mport_desc, dl_port);
74
75 if (!ef100_mport_on_local_intf(devlink->efx, mport_desc)) {
76 rc = -EINVAL;
77 NL_SET_ERR_MSG_FMT(extack,
78 "Port not on local interface (mport: %u)",
79 mport_desc->mport_id);
80 goto out;
81 }
82
83 if (ef100_mport_is_vf(mport_desc))
84 EFX_POPULATE_QWORD_3(pciefn,
85 PCIE_FUNCTION_PF, PCIE_FUNCTION_PF_NULL,
86 PCIE_FUNCTION_VF, mport_desc->vf_idx,
87 PCIE_FUNCTION_INTF, PCIE_INTERFACE_CALLER);
88 else
89 EFX_POPULATE_QWORD_3(pciefn,
90 PCIE_FUNCTION_PF, mport_desc->pf_idx,
91 PCIE_FUNCTION_VF, PCIE_FUNCTION_VF_NULL,
92 PCIE_FUNCTION_INTF, PCIE_INTERFACE_CALLER);
93
94 rc = efx_ef100_lookup_client_id(devlink->efx, pciefn, &client_id);
95 if (rc) {
96 NL_SET_ERR_MSG_FMT(extack,
97 "No internal client_ID for port (mport: %u)",
98 mport_desc->mport_id);
99 goto out;
100 }
101
102 rc = ef100_get_mac_address(devlink->efx, hw_addr, client_id, true);
103 if (rc != 0)
104 NL_SET_ERR_MSG_FMT(extack,
105 "No available MAC for port (mport: %u)",
106 mport_desc->mport_id);
107out:
108 *hw_addr_len = ETH_ALEN;
109 return rc;
110}
111
3b6096c9
AL		 112static int efx_devlink_port_addr_set(struct devlink_port *port,
113 const u8 *hw_addr, int hw_addr_len,
114 struct netlink_ext_ack *extack)
115{
116 MCDI_DECLARE_BUF(inbuf, MC_CMD_SET_CLIENT_MAC_ADDRESSES_IN_LEN(1));
117 struct efx_devlink *devlink = devlink_priv(port->devlink);
118 struct mae_mport_desc *mport_desc;
119 efx_qword_t pciefn;
120 u32 client_id;
121 int rc;
122
123 mport_desc = container_of(port, struct mae_mport_desc, dl_port);
124
125 if (!ef100_mport_is_vf(mport_desc)) {
126 NL_SET_ERR_MSG_FMT(extack,
127 "port mac change not allowed (mport: %u)",
128 mport_desc->mport_id);
129 return -EPERM;
130 }
131
132 EFX_POPULATE_QWORD_3(pciefn,
133 PCIE_FUNCTION_PF, PCIE_FUNCTION_PF_NULL,
134 PCIE_FUNCTION_VF, mport_desc->vf_idx,
135 PCIE_FUNCTION_INTF, PCIE_INTERFACE_CALLER);
136
137 rc = efx_ef100_lookup_client_id(devlink->efx, pciefn, &client_id);
138 if (rc) {
139 NL_SET_ERR_MSG_FMT(extack,
140 "No internal client_ID for port (mport: %u)",
141 mport_desc->mport_id);
142 return rc;
143 }
144
145 MCDI_SET_DWORD(inbuf, SET_CLIENT_MAC_ADDRESSES_IN_CLIENT_HANDLE,
146 client_id);
147
148 ether_addr_copy(MCDI_PTR(inbuf, SET_CLIENT_MAC_ADDRESSES_IN_MAC_ADDRS),
149 hw_addr);
150
151 rc = efx_mcdi_rpc(devlink->efx, MC_CMD_SET_CLIENT_MAC_ADDRESSES, inbuf,
152 sizeof(inbuf), NULL, 0, NULL);
153 if (rc)
154 NL_SET_ERR_MSG_FMT(extack,
155 "sfc MC_CMD_SET_CLIENT_MAC_ADDRESSES mcdi error (mport: %u)",
156 mport_desc->mport_id);
157
158 return rc;
159}
160
25414b2a
AL		 161#endif
162
14743ddd
AL		 163static int efx_devlink_info_nvram_partition(struct efx_nic *efx,
164 struct devlink_info_req *req,
165 unsigned int partition_type,
166 const char *version_name)
167{
168 char buf[EFX_MAX_VERSION_INFO_LEN];
169 u16 version[4];
170 int rc;
171
172 rc = efx_mcdi_nvram_metadata(efx, partition_type, NULL, version, NULL,
173 0);
174 if (rc) {
175 netif_err(efx, drv, efx->net_dev, "mcdi nvram %s: failed\n",
176 version_name);
177 return rc;
178 }
179
180 snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u", version[0],
181 version[1], version[2], version[3]);
182 devlink_info_version_stored_put(req, version_name, buf);
183
184 return 0;
185}
186
187static int efx_devlink_info_stored_versions(struct efx_nic *efx,
188 struct devlink_info_req *req)
189{
190 int rc;
191
192 rc = efx_devlink_info_nvram_partition(efx, req,
193 NVRAM_PARTITION_TYPE_BUNDLE,
194 DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID);
195 if (rc)
196 return rc;
197
198 rc = efx_devlink_info_nvram_partition(efx, req,
199 NVRAM_PARTITION_TYPE_MC_FIRMWARE,
200 DEVLINK_INFO_VERSION_GENERIC_FW_MGMT);
201 if (rc)
202 return rc;
203
204 rc = efx_devlink_info_nvram_partition(efx, req,
205 NVRAM_PARTITION_TYPE_SUC_FIRMWARE,
206 EFX_DEVLINK_INFO_VERSION_FW_MGMT_SUC);
207 if (rc)
208 return rc;
209
210 rc = efx_devlink_info_nvram_partition(efx, req,
211 NVRAM_PARTITION_TYPE_EXPANSION_ROM,
212 EFX_DEVLINK_INFO_VERSION_FW_EXPROM);
213 if (rc)
214 return rc;
215
216 rc = efx_devlink_info_nvram_partition(efx, req,
217 NVRAM_PARTITION_TYPE_EXPANSION_UEFI,
218 EFX_DEVLINK_INFO_VERSION_FW_UEFI);
219 return rc;
220}
221
222#define EFX_VER_FLAG(_f) \
223 (MC_CMD_GET_VERSION_V5_OUT_ ## _f ## _PRESENT_LBN)
224
225static void efx_devlink_info_running_v2(struct efx_nic *efx,
226 struct devlink_info_req *req,
227 unsigned int flags, efx_dword_t *outbuf)
228{
229 char buf[EFX_MAX_VERSION_INFO_LEN];
230 union {
231 const __le32 *dwords;
232 const __le16 *words;
233 const char *str;
234 } ver;
235 struct rtc_time build_date;
236 unsigned int build_id;
237 size_t offset;
238 __maybe_unused u64 tstamp;
239
240 if (flags & BIT(EFX_VER_FLAG(BOARD_EXT_INFO))) {
241 snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%s",
242 MCDI_PTR(outbuf, GET_VERSION_V2_OUT_BOARD_NAME));
243 devlink_info_version_fixed_put(req,
244 DEVLINK_INFO_VERSION_GENERIC_BOARD_ID,
245 buf);
246
247 /* Favour full board version if present (in V5 or later) */
248 if (~flags & BIT(EFX_VER_FLAG(BOARD_VERSION))) {
249 snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u",
250 MCDI_DWORD(outbuf,
251 GET_VERSION_V2_OUT_BOARD_REVISION));
252 devlink_info_version_fixed_put(req,
253 DEVLINK_INFO_VERSION_GENERIC_BOARD_REV,
254 buf);
255 }
256
257 ver.str = MCDI_PTR(outbuf, GET_VERSION_V2_OUT_BOARD_SERIAL);
258 if (ver.str[0])
259 devlink_info_board_serial_number_put(req, ver.str);
260 }
261
262 if (flags & BIT(EFX_VER_FLAG(FPGA_EXT_INFO))) {
263 ver.dwords = (__le32 *)MCDI_PTR(outbuf,
264 GET_VERSION_V2_OUT_FPGA_VERSION);
265 offset = snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u_%c%u",
266 le32_to_cpu(ver.dwords[0]),
267 'A' + le32_to_cpu(ver.dwords[1]),
268 le32_to_cpu(ver.dwords[2]));
269
270 ver.str = MCDI_PTR(outbuf, GET_VERSION_V2_OUT_FPGA_EXTRA);
271 if (ver.str[0])
272 snprintf(&buf[offset], EFX_MAX_VERSION_INFO_LEN - offset,
273 " (%s)", ver.str);
274
275 devlink_info_version_running_put(req,
276 EFX_DEVLINK_INFO_VERSION_FPGA_REV,
277 buf);
278 }
279
280 if (flags & BIT(EFX_VER_FLAG(CMC_EXT_INFO))) {
281 ver.dwords = (__le32 *)MCDI_PTR(outbuf,
282 GET_VERSION_V2_OUT_CMCFW_VERSION);
283 offset = snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
284 le32_to_cpu(ver.dwords[0]),
285 le32_to_cpu(ver.dwords[1]),
286 le32_to_cpu(ver.dwords[2]),
287 le32_to_cpu(ver.dwords[3]));
288
289#ifdef CONFIG_RTC_LIB
290 tstamp = MCDI_QWORD(outbuf,
291 GET_VERSION_V2_OUT_CMCFW_BUILD_DATE);
292 if (tstamp) {
293 rtc_time64_to_tm(tstamp, &build_date);
294 snprintf(&buf[offset], EFX_MAX_VERSION_INFO_LEN - offset,
295 " (%ptRd)", &build_date);
296 }
297#endif
298
299 devlink_info_version_running_put(req,
300 EFX_DEVLINK_INFO_VERSION_FW_MGMT_CMC,
301 buf);
302 }
303
304 ver.words = (__le16 *)MCDI_PTR(outbuf, GET_VERSION_V2_OUT_VERSION);
305 offset = snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
306 le16_to_cpu(ver.words[0]), le16_to_cpu(ver.words[1]),
307 le16_to_cpu(ver.words[2]), le16_to_cpu(ver.words[3]));
308 if (flags & BIT(EFX_VER_FLAG(MCFW_EXT_INFO))) {
309 build_id = MCDI_DWORD(outbuf, GET_VERSION_V2_OUT_MCFW_BUILD_ID);
310 snprintf(&buf[offset], EFX_MAX_VERSION_INFO_LEN - offset,
311 " (%x) %s", build_id,
312 MCDI_PTR(outbuf, GET_VERSION_V2_OUT_MCFW_BUILD_NAME));
313 }
314 devlink_info_version_running_put(req,
315 DEVLINK_INFO_VERSION_GENERIC_FW_MGMT,
316 buf);
317
318 if (flags & BIT(EFX_VER_FLAG(SUCFW_EXT_INFO))) {
319 ver.dwords = (__le32 *)MCDI_PTR(outbuf,
320 GET_VERSION_V2_OUT_SUCFW_VERSION);
321#ifdef CONFIG_RTC_LIB
322 tstamp = MCDI_QWORD(outbuf,
323 GET_VERSION_V2_OUT_SUCFW_BUILD_DATE);
324 rtc_time64_to_tm(tstamp, &build_date);
325#else
5f22c3b6 326 memset(&build_date, 0, sizeof(build_date));
14743ddd
AL		 327#endif
328 build_id = MCDI_DWORD(outbuf, GET_VERSION_V2_OUT_SUCFW_CHIP_ID);
329
330 snprintf(buf, EFX_MAX_VERSION_INFO_LEN,
331 "%u.%u.%u.%u type %x (%ptRd)",
332 le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
333 le32_to_cpu(ver.dwords[2]), le32_to_cpu(ver.dwords[3]),
334 build_id, &build_date);
335
336 devlink_info_version_running_put(req,
337 EFX_DEVLINK_INFO_VERSION_FW_MGMT_SUC,
338 buf);
339 }
340}
341
342static void efx_devlink_info_running_v3(struct efx_nic *efx,
343 struct devlink_info_req *req,
344 unsigned int flags, efx_dword_t *outbuf)
345{
346 char buf[EFX_MAX_VERSION_INFO_LEN];
347 union {
348 const __le32 *dwords;
349 const __le16 *words;
350 const char *str;
351 } ver;
352
353 if (flags & BIT(EFX_VER_FLAG(DATAPATH_HW_VERSION))) {
354 ver.dwords = (__le32 *)MCDI_PTR(outbuf,
355 GET_VERSION_V3_OUT_DATAPATH_HW_VERSION);
356
357 snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u",
358 le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
359 le32_to_cpu(ver.dwords[2]));
360
361 devlink_info_version_running_put(req,
362 EFX_DEVLINK_INFO_VERSION_DATAPATH_HW,
363 buf);
364 }
365
366 if (flags & BIT(EFX_VER_FLAG(DATAPATH_FW_VERSION))) {
367 ver.dwords = (__le32 *)MCDI_PTR(outbuf,
368 GET_VERSION_V3_OUT_DATAPATH_FW_VERSION);
369
370 snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u",
371 le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
372 le32_to_cpu(ver.dwords[2]));
373
374 devlink_info_version_running_put(req,
375 EFX_DEVLINK_INFO_VERSION_DATAPATH_FW,
376 buf);
377 }
378}
379
380static void efx_devlink_info_running_v4(struct efx_nic *efx,
381 struct devlink_info_req *req,
382 unsigned int flags, efx_dword_t *outbuf)
383{
384 char buf[EFX_MAX_VERSION_INFO_LEN];
385 union {
386 const __le32 *dwords;
387 const __le16 *words;
388 const char *str;
389 } ver;
390
391 if (flags & BIT(EFX_VER_FLAG(SOC_BOOT_VERSION))) {
392 ver.dwords = (__le32 *)MCDI_PTR(outbuf,
393 GET_VERSION_V4_OUT_SOC_BOOT_VERSION);
394
395 snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
396 le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
397 le32_to_cpu(ver.dwords[2]),
398 le32_to_cpu(ver.dwords[3]));
399
400 devlink_info_version_running_put(req,
401 EFX_DEVLINK_INFO_VERSION_SOC_BOOT,
402 buf);
403 }
404
405 if (flags & BIT(EFX_VER_FLAG(SOC_UBOOT_VERSION))) {
406 ver.dwords = (__le32 *)MCDI_PTR(outbuf,
407 GET_VERSION_V4_OUT_SOC_UBOOT_VERSION);
408
409 snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
410 le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
411 le32_to_cpu(ver.dwords[2]),
412 le32_to_cpu(ver.dwords[3]));
413
414 devlink_info_version_running_put(req,
415 EFX_DEVLINK_INFO_VERSION_SOC_UBOOT,
416 buf);
417 }
418
419 if (flags & BIT(EFX_VER_FLAG(SOC_MAIN_ROOTFS_VERSION))) {
420 ver.dwords = (__le32 *)MCDI_PTR(outbuf,
421 GET_VERSION_V4_OUT_SOC_MAIN_ROOTFS_VERSION);
422
423 snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
424 le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
425 le32_to_cpu(ver.dwords[2]),
426 le32_to_cpu(ver.dwords[3]));
427
428 devlink_info_version_running_put(req,
429 EFX_DEVLINK_INFO_VERSION_SOC_MAIN,
430 buf);
431 }
432
433 if (flags & BIT(EFX_VER_FLAG(SOC_RECOVERY_BUILDROOT_VERSION))) {
434 ver.dwords = (__le32 *)MCDI_PTR(outbuf,
435 GET_VERSION_V4_OUT_SOC_RECOVERY_BUILDROOT_VERSION);
436
437 snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
438 le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
439 le32_to_cpu(ver.dwords[2]),
440 le32_to_cpu(ver.dwords[3]));
441
442 devlink_info_version_running_put(req,
443 EFX_DEVLINK_INFO_VERSION_SOC_RECOVERY,
444 buf);
445 }
446
447 if (flags & BIT(EFX_VER_FLAG(SUCFW_VERSION)) &&
448 ~flags & BIT(EFX_VER_FLAG(SUCFW_EXT_INFO))) {
449 ver.dwords = (__le32 *)MCDI_PTR(outbuf,
450 GET_VERSION_V4_OUT_SUCFW_VERSION);
451
452 snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
453 le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
454 le32_to_cpu(ver.dwords[2]),
455 le32_to_cpu(ver.dwords[3]));
456
457 devlink_info_version_running_put(req,
458 EFX_DEVLINK_INFO_VERSION_FW_MGMT_SUC,
459 buf);
460 }
461}
462
463static void efx_devlink_info_running_v5(struct efx_nic *efx,
464 struct devlink_info_req *req,
465 unsigned int flags, efx_dword_t *outbuf)
466{
467 char buf[EFX_MAX_VERSION_INFO_LEN];
468 union {
469 const __le32 *dwords;
470 const __le16 *words;
471 const char *str;
472 } ver;
473
474 if (flags & BIT(EFX_VER_FLAG(BOARD_VERSION))) {
475 ver.dwords = (__le32 *)MCDI_PTR(outbuf,
476 GET_VERSION_V5_OUT_BOARD_VERSION);
477
478 snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
479 le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
480 le32_to_cpu(ver.dwords[2]),
481 le32_to_cpu(ver.dwords[3]));
482
483 devlink_info_version_running_put(req,
484 DEVLINK_INFO_VERSION_GENERIC_BOARD_REV,
485 buf);
486 }
487
488 if (flags & BIT(EFX_VER_FLAG(BUNDLE_VERSION))) {
489 ver.dwords = (__le32 *)MCDI_PTR(outbuf,
490 GET_VERSION_V5_OUT_BUNDLE_VERSION);
491
492 snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
493 le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
494 le32_to_cpu(ver.dwords[2]),
495 le32_to_cpu(ver.dwords[3]));
496
497 devlink_info_version_running_put(req,
498 DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID,
499 buf);
500 }
501}
502
503static int efx_devlink_info_running_versions(struct efx_nic *efx,
504 struct devlink_info_req *req)
505{
506 MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_VERSION_V5_OUT_LEN);
507 MCDI_DECLARE_BUF(inbuf, MC_CMD_GET_VERSION_EXT_IN_LEN);
508 char buf[EFX_MAX_VERSION_INFO_LEN];
509 union {
510 const __le32 *dwords;
511 const __le16 *words;
512 const char *str;
513 } ver;
514 size_t outlength;
515 unsigned int flags;
516 int rc;
517
518 rc = efx_mcdi_rpc(efx, MC_CMD_GET_VERSION, inbuf, sizeof(inbuf),
519 outbuf, sizeof(outbuf), &outlength);
520 if (rc || outlength < MC_CMD_GET_VERSION_OUT_LEN) {
521 netif_err(efx, drv, efx->net_dev,
522 "mcdi MC_CMD_GET_VERSION failed\n");
523 return rc;
524 }
525
526 /* Handle previous output */
527 if (outlength < MC_CMD_GET_VERSION_V2_OUT_LEN) {
528 ver.words = (__le16 *)MCDI_PTR(outbuf,
529 GET_VERSION_EXT_OUT_VERSION);
530 snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
531 le16_to_cpu(ver.words[0]),
532 le16_to_cpu(ver.words[1]),
533 le16_to_cpu(ver.words[2]),
534 le16_to_cpu(ver.words[3]));
535
536 devlink_info_version_running_put(req,
537 DEVLINK_INFO_VERSION_GENERIC_FW_MGMT,
538 buf);
539 return 0;
540 }
541
542 /* Handle V2 additions */
543 flags = MCDI_DWORD(outbuf, GET_VERSION_V2_OUT_FLAGS);
544 efx_devlink_info_running_v2(efx, req, flags, outbuf);
545
546 if (outlength < MC_CMD_GET_VERSION_V3_OUT_LEN)
547 return 0;
548
549 /* Handle V3 additions */
550 efx_devlink_info_running_v3(efx, req, flags, outbuf);
551
552 if (outlength < MC_CMD_GET_VERSION_V4_OUT_LEN)
553 return 0;
554
555 /* Handle V4 additions */
556 efx_devlink_info_running_v4(efx, req, flags, outbuf);
557
558 if (outlength < MC_CMD_GET_VERSION_V5_OUT_LEN)
559 return 0;
560
561 /* Handle V5 additions */
562 efx_devlink_info_running_v5(efx, req, flags, outbuf);
563
564 return 0;
565}
566
567#define EFX_MAX_SERIALNUM_LEN (ETH_ALEN * 2 + 1)
568
569static int efx_devlink_info_board_cfg(struct efx_nic *efx,
570 struct devlink_info_req *req)
571{
572 char sn[EFX_MAX_SERIALNUM_LEN];
573 u8 mac_address[ETH_ALEN];
574 int rc;
575
576 rc = efx_mcdi_get_board_cfg(efx, (u8 *)mac_address, NULL, NULL);
577 if (!rc) {
578 snprintf(sn, EFX_MAX_SERIALNUM_LEN, "%pm", mac_address);
579 devlink_info_serial_number_put(req, sn);
580 }
581 return rc;
582}
583
584static int efx_devlink_info_get(struct devlink *devlink,
585 struct devlink_info_req *req,
586 struct netlink_ext_ack *extack)
587{
588 struct efx_devlink *devlink_private = devlink_priv(devlink);
589 struct efx_nic *efx = devlink_private->efx;
590 int rc;
591
592 /* Several different MCDI commands are used. We report first error
593 * through extack returning at that point. Specific error
594 * information via system messages.
595 */
596 rc = efx_devlink_info_board_cfg(efx, req);
597 if (rc) {
598 NL_SET_ERR_MSG_MOD(extack, "Getting board info failed");
599 return rc;
600 }
601 rc = efx_devlink_info_stored_versions(efx, req);
602 if (rc) {
603 NL_SET_ERR_MSG_MOD(extack, "Getting stored versions failed");
604 return rc;
605 }
606 rc = efx_devlink_info_running_versions(efx, req);
607 if (rc) {
608 NL_SET_ERR_MSG_MOD(extack, "Getting running versions failed");
609 return rc;
610 }
611
612 return 0;
613}
614
fa34a514 615static const struct devlink_ops sfc_devlink_ops = {
14743ddd 616 .info_get = efx_devlink_info_get,
fa78b017
AL		 617#ifdef CONFIG_SFC_SRIOV
618 .port_function_hw_addr_get = efx_devlink_port_addr_get,
3b6096c9 619 .port_function_hw_addr_set = efx_devlink_port_addr_set,
fa78b017 620#endif
fa34a514
AL		 621};
622
25414b2a
AL		 623#ifdef CONFIG_SFC_SRIOV
624static struct devlink_port *ef100_set_devlink_port(struct efx_nic *efx, u32 idx)
625{
626 struct mae_mport_desc *mport;
627 u32 id;
628 int rc;
629
630 if (efx_mae_lookup_mport(efx, idx, &id)) {
631 /* This should not happen. */
632 if (idx == MAE_MPORT_DESC_VF_IDX_NULL)
633 pci_warn_once(efx->pci_dev, "No mport ID found for PF.\n");
634 else
635 pci_warn_once(efx->pci_dev, "No mport ID found for VF %u.\n",
636 idx);
637 return NULL;
638 }
639
640 mport = efx_mae_get_mport(efx, id);
641 if (!mport) {
642 /* This should not happen. */
643 if (idx == MAE_MPORT_DESC_VF_IDX_NULL)
644 pci_warn_once(efx->pci_dev, "No mport found for PF.\n");
645 else
646 pci_warn_once(efx->pci_dev, "No mport found for VF %u.\n",
647 idx);
648 return NULL;
649 }
650
651 rc = efx_devlink_add_port(efx, mport);
652 if (rc) {
653 if (idx == MAE_MPORT_DESC_VF_IDX_NULL)
654 pci_warn(efx->pci_dev,
655 "devlink port creation for PF failed.\n");
656 else
657 pci_warn(efx->pci_dev,
0d39ad3e 658 "devlink_port creation for VF %u failed.\n",
25414b2a
AL		 659 idx);
660 return NULL;
661 }
662
663 return &mport->dl_port;
664}
665
666void ef100_rep_set_devlink_port(struct efx_rep *efv)
667{
668 efv->dl_port = ef100_set_devlink_port(efv->parent, efv->idx);
669}
670
671void ef100_pf_set_devlink_port(struct efx_nic *efx)
672{
673 efx->dl_port = ef100_set_devlink_port(efx, MAE_MPORT_DESC_VF_IDX_NULL);
674}
675
676void ef100_rep_unset_devlink_port(struct efx_rep *efv)
677{
678 efx_devlink_del_port(efv->dl_port);
679}
680
681void ef100_pf_unset_devlink_port(struct efx_nic *efx)
682{
683 efx_devlink_del_port(efx->dl_port);
684}
685#endif
686
fa34a514
AL		 687void efx_fini_devlink_lock(struct efx_nic *efx)
688{
689 if (efx->devlink)
690 devl_lock(efx->devlink);
691}
692
693void efx_fini_devlink_and_unlock(struct efx_nic *efx)
694{
695 if (efx->devlink) {
696 devl_unregister(efx->devlink);
697 devl_unlock(efx->devlink);
698 devlink_free(efx->devlink);
699 efx->devlink = NULL;
700 }
701}
702
703int efx_probe_devlink_and_lock(struct efx_nic *efx)
704{
705 struct efx_devlink *devlink_private;
706
707 if (efx->type->is_vf)
708 return 0;
709
710 efx->devlink = devlink_alloc(&sfc_devlink_ops,
711 sizeof(struct efx_devlink),
712 &efx->pci_dev->dev);
713 if (!efx->devlink)
714 return -ENOMEM;
715
716 devl_lock(efx->devlink);
717 devlink_private = devlink_priv(efx->devlink);
718 devlink_private->efx = efx;
719
720 devl_register(efx->devlink);
721
722 return 0;
723}
724
725void efx_probe_devlink_unlock(struct efx_nic *efx)
726{
727 if (!efx->devlink)
728 return;
729
730 devl_unlock(efx->devlink);
731}
Linux 6.x block layer and io_uring tree(s)