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" |
12 | #include "ef100_nic.h" |
13 | #include "efx_devlink.h" |
14 | #include <linux/rtc.h> |
15 | #include "mcdi.h" |
16 | #include "mcdi_functions.h" |
17 | #include "mcdi_pcol.h" |
18 | #ifdef CONFIG_SFC_SRIOV |
19 | #include "mae.h" |
20 | #include "ef100_rep.h" |
21 | #endif |
22 | |
23 | struct efx_devlink { |
24 | struct efx_nic *efx; |
25 | }; |
26 | |
27 | #ifdef CONFIG_SFC_SRIOV |
28 | |
29 | static int efx_devlink_port_addr_get(struct devlink_port *port, u8 *hw_addr, |
30 | int *hw_addr_len, |
31 | struct netlink_ext_ack *extack) |
32 | { |
33 | struct efx_devlink *devlink = devlink_priv(devlink: port->devlink); |
34 | struct mae_mport_desc *mport_desc; |
35 | efx_qword_t pciefn; |
36 | u32 client_id; |
37 | int rc = 0; |
38 | |
39 | mport_desc = container_of(port, struct mae_mport_desc, dl_port); |
40 | |
41 | if (!ef100_mport_on_local_intf(efx: devlink->efx, mport_desc)) { |
42 | rc = -EINVAL; |
43 | NL_SET_ERR_MSG_FMT(extack, |
44 | "Port not on local interface (mport: %u)" , |
45 | mport_desc->mport_id); |
46 | goto out; |
47 | } |
48 | |
49 | if (ef100_mport_is_vf(mport_desc)) |
50 | EFX_POPULATE_QWORD_3(pciefn, |
51 | PCIE_FUNCTION_PF, PCIE_FUNCTION_PF_NULL, |
52 | PCIE_FUNCTION_VF, mport_desc->vf_idx, |
53 | PCIE_FUNCTION_INTF, PCIE_INTERFACE_CALLER); |
54 | else |
55 | EFX_POPULATE_QWORD_3(pciefn, |
56 | PCIE_FUNCTION_PF, mport_desc->pf_idx, |
57 | PCIE_FUNCTION_VF, PCIE_FUNCTION_VF_NULL, |
58 | PCIE_FUNCTION_INTF, PCIE_INTERFACE_CALLER); |
59 | |
60 | rc = efx_ef100_lookup_client_id(efx: devlink->efx, pciefn, id: &client_id); |
61 | if (rc) { |
62 | NL_SET_ERR_MSG_FMT(extack, |
63 | "No internal client_ID for port (mport: %u)" , |
64 | mport_desc->mport_id); |
65 | goto out; |
66 | } |
67 | |
68 | rc = ef100_get_mac_address(efx: devlink->efx, mac_address: hw_addr, client_handle: client_id, empty_ok: true); |
69 | if (rc != 0) |
70 | NL_SET_ERR_MSG_FMT(extack, |
71 | "No available MAC for port (mport: %u)" , |
72 | mport_desc->mport_id); |
73 | out: |
74 | *hw_addr_len = ETH_ALEN; |
75 | return rc; |
76 | } |
77 | |
78 | static int efx_devlink_port_addr_set(struct devlink_port *port, |
79 | const u8 *hw_addr, int hw_addr_len, |
80 | struct netlink_ext_ack *extack) |
81 | { |
82 | MCDI_DECLARE_BUF(inbuf, MC_CMD_SET_CLIENT_MAC_ADDRESSES_IN_LEN(1)); |
83 | struct efx_devlink *devlink = devlink_priv(devlink: port->devlink); |
84 | struct mae_mport_desc *mport_desc; |
85 | efx_qword_t pciefn; |
86 | u32 client_id; |
87 | int rc; |
88 | |
89 | mport_desc = container_of(port, struct mae_mport_desc, dl_port); |
90 | |
91 | if (!ef100_mport_is_vf(mport_desc)) { |
92 | NL_SET_ERR_MSG_FMT(extack, |
93 | "port mac change not allowed (mport: %u)" , |
94 | mport_desc->mport_id); |
95 | return -EPERM; |
96 | } |
97 | |
98 | EFX_POPULATE_QWORD_3(pciefn, |
99 | PCIE_FUNCTION_PF, PCIE_FUNCTION_PF_NULL, |
100 | PCIE_FUNCTION_VF, mport_desc->vf_idx, |
101 | PCIE_FUNCTION_INTF, PCIE_INTERFACE_CALLER); |
102 | |
103 | rc = efx_ef100_lookup_client_id(efx: devlink->efx, pciefn, id: &client_id); |
104 | if (rc) { |
105 | NL_SET_ERR_MSG_FMT(extack, |
106 | "No internal client_ID for port (mport: %u)" , |
107 | mport_desc->mport_id); |
108 | return rc; |
109 | } |
110 | |
111 | MCDI_SET_DWORD(inbuf, SET_CLIENT_MAC_ADDRESSES_IN_CLIENT_HANDLE, |
112 | client_id); |
113 | |
114 | ether_addr_copy(MCDI_PTR(inbuf, SET_CLIENT_MAC_ADDRESSES_IN_MAC_ADDRS), |
115 | src: hw_addr); |
116 | |
117 | rc = efx_mcdi_rpc(efx: devlink->efx, MC_CMD_SET_CLIENT_MAC_ADDRESSES, inbuf, |
118 | inlen: sizeof(inbuf), NULL, outlen: 0, NULL); |
119 | if (rc) |
120 | NL_SET_ERR_MSG_FMT(extack, |
121 | "sfc MC_CMD_SET_CLIENT_MAC_ADDRESSES mcdi error (mport: %u)" , |
122 | mport_desc->mport_id); |
123 | |
124 | return rc; |
125 | } |
126 | |
127 | static const struct devlink_port_ops sfc_devlink_port_ops = { |
128 | .port_fn_hw_addr_get = efx_devlink_port_addr_get, |
129 | .port_fn_hw_addr_set = efx_devlink_port_addr_set, |
130 | }; |
131 | |
132 | static void efx_devlink_del_port(struct devlink_port *dl_port) |
133 | { |
134 | if (!dl_port) |
135 | return; |
136 | devl_port_unregister(devlink_port: dl_port); |
137 | } |
138 | |
139 | static int efx_devlink_add_port(struct efx_nic *efx, |
140 | struct mae_mport_desc *mport) |
141 | { |
142 | bool external = false; |
143 | |
144 | if (!ef100_mport_on_local_intf(efx, mport_desc: mport)) |
145 | external = true; |
146 | |
147 | switch (mport->mport_type) { |
148 | case MAE_MPORT_DESC_MPORT_TYPE_VNIC: |
149 | if (mport->vf_idx != MAE_MPORT_DESC_VF_IDX_NULL) |
150 | devlink_port_attrs_pci_vf_set(devlink_port: &mport->dl_port, controller: 0, pf: mport->pf_idx, |
151 | vf: mport->vf_idx, |
152 | external); |
153 | else |
154 | devlink_port_attrs_pci_pf_set(devlink_port: &mport->dl_port, controller: 0, pf: mport->pf_idx, |
155 | external); |
156 | break; |
157 | default: |
158 | /* MAE_MPORT_DESC_MPORT_ALIAS and UNDEFINED */ |
159 | return 0; |
160 | } |
161 | |
162 | mport->dl_port.index = mport->mport_id; |
163 | |
164 | return devl_port_register_with_ops(devlink: efx->devlink, devlink_port: &mport->dl_port, |
165 | port_index: mport->mport_id, |
166 | ops: &sfc_devlink_port_ops); |
167 | } |
168 | |
169 | #endif |
170 | |
171 | static int efx_devlink_info_nvram_partition(struct efx_nic *efx, |
172 | struct devlink_info_req *req, |
173 | unsigned int partition_type, |
174 | const char *version_name) |
175 | { |
176 | char buf[EFX_MAX_VERSION_INFO_LEN]; |
177 | u16 version[4]; |
178 | int rc; |
179 | |
180 | rc = efx_mcdi_nvram_metadata(efx, type: partition_type, NULL, version, NULL, |
181 | descsize: 0); |
182 | |
183 | /* If the partition does not exist, that is not an error. */ |
184 | if (rc == -ENOENT) |
185 | return 0; |
186 | |
187 | if (rc) { |
188 | netif_err(efx, drv, efx->net_dev, "mcdi nvram %s: failed (rc=%d)\n" , |
189 | version_name, rc); |
190 | return rc; |
191 | } |
192 | |
193 | snprintf(buf, EFX_MAX_VERSION_INFO_LEN, fmt: "%u.%u.%u.%u" , version[0], |
194 | version[1], version[2], version[3]); |
195 | devlink_info_version_stored_put(req, version_name, version_value: buf); |
196 | |
197 | return 0; |
198 | } |
199 | |
200 | static int efx_devlink_info_stored_versions(struct efx_nic *efx, |
201 | struct devlink_info_req *req) |
202 | { |
203 | int err; |
204 | |
205 | /* We do not care here about the specific error but just if an error |
206 | * happened. The specific error will be reported inside the call |
207 | * through system messages, and if any error happened in any call |
208 | * below, we report it through extack. |
209 | */ |
210 | err = efx_devlink_info_nvram_partition(efx, req, |
211 | NVRAM_PARTITION_TYPE_BUNDLE, |
212 | DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID); |
213 | |
214 | err |= efx_devlink_info_nvram_partition(efx, req, |
215 | NVRAM_PARTITION_TYPE_MC_FIRMWARE, |
216 | DEVLINK_INFO_VERSION_GENERIC_FW_MGMT); |
217 | |
218 | err |= efx_devlink_info_nvram_partition(efx, req, |
219 | NVRAM_PARTITION_TYPE_SUC_FIRMWARE, |
220 | EFX_DEVLINK_INFO_VERSION_FW_MGMT_SUC); |
221 | |
222 | err |= efx_devlink_info_nvram_partition(efx, req, |
223 | NVRAM_PARTITION_TYPE_EXPANSION_ROM, |
224 | EFX_DEVLINK_INFO_VERSION_FW_EXPROM); |
225 | |
226 | err |= efx_devlink_info_nvram_partition(efx, req, |
227 | NVRAM_PARTITION_TYPE_EXPANSION_UEFI, |
228 | EFX_DEVLINK_INFO_VERSION_FW_UEFI); |
229 | return err; |
230 | } |
231 | |
232 | #define EFX_VER_FLAG(_f) \ |
233 | (MC_CMD_GET_VERSION_V5_OUT_ ## _f ## _PRESENT_LBN) |
234 | |
235 | static void efx_devlink_info_running_v2(struct efx_nic *efx, |
236 | struct devlink_info_req *req, |
237 | unsigned int flags, efx_dword_t *outbuf) |
238 | { |
239 | char buf[EFX_MAX_VERSION_INFO_LEN]; |
240 | union { |
241 | const __le32 *dwords; |
242 | const __le16 *words; |
243 | const char *str; |
244 | } ver; |
245 | struct rtc_time build_date; |
246 | unsigned int build_id; |
247 | size_t offset; |
248 | __maybe_unused u64 tstamp; |
249 | |
250 | if (flags & BIT(EFX_VER_FLAG(BOARD_EXT_INFO))) { |
251 | snprintf(buf, EFX_MAX_VERSION_INFO_LEN, fmt: "%s" , |
252 | MCDI_PTR(outbuf, GET_VERSION_V2_OUT_BOARD_NAME)); |
253 | devlink_info_version_fixed_put(req, |
254 | DEVLINK_INFO_VERSION_GENERIC_BOARD_ID, |
255 | version_value: buf); |
256 | |
257 | /* Favour full board version if present (in V5 or later) */ |
258 | if (~flags & BIT(EFX_VER_FLAG(BOARD_VERSION))) { |
259 | snprintf(buf, EFX_MAX_VERSION_INFO_LEN, fmt: "%u" , |
260 | MCDI_DWORD(outbuf, |
261 | GET_VERSION_V2_OUT_BOARD_REVISION)); |
262 | devlink_info_version_fixed_put(req, |
263 | DEVLINK_INFO_VERSION_GENERIC_BOARD_REV, |
264 | version_value: buf); |
265 | } |
266 | |
267 | ver.str = MCDI_PTR(outbuf, GET_VERSION_V2_OUT_BOARD_SERIAL); |
268 | if (ver.str[0]) |
269 | devlink_info_board_serial_number_put(req, bsn: ver.str); |
270 | } |
271 | |
272 | if (flags & BIT(EFX_VER_FLAG(FPGA_EXT_INFO))) { |
273 | ver.dwords = (__le32 *)MCDI_PTR(outbuf, |
274 | GET_VERSION_V2_OUT_FPGA_VERSION); |
275 | offset = snprintf(buf, EFX_MAX_VERSION_INFO_LEN, fmt: "%u_%c%u" , |
276 | le32_to_cpu(ver.dwords[0]), |
277 | 'A' + le32_to_cpu(ver.dwords[1]), |
278 | le32_to_cpu(ver.dwords[2])); |
279 | |
280 | ver.str = MCDI_PTR(outbuf, GET_VERSION_V2_OUT_FPGA_EXTRA); |
281 | if (ver.str[0]) |
282 | snprintf(buf: &buf[offset], EFX_MAX_VERSION_INFO_LEN - offset, |
283 | fmt: " (%s)" , ver.str); |
284 | |
285 | devlink_info_version_running_put(req, |
286 | EFX_DEVLINK_INFO_VERSION_FPGA_REV, |
287 | version_value: buf); |
288 | } |
289 | |
290 | if (flags & BIT(EFX_VER_FLAG(CMC_EXT_INFO))) { |
291 | ver.dwords = (__le32 *)MCDI_PTR(outbuf, |
292 | GET_VERSION_V2_OUT_CMCFW_VERSION); |
293 | offset = snprintf(buf, EFX_MAX_VERSION_INFO_LEN, fmt: "%u.%u.%u.%u" , |
294 | le32_to_cpu(ver.dwords[0]), |
295 | le32_to_cpu(ver.dwords[1]), |
296 | le32_to_cpu(ver.dwords[2]), |
297 | le32_to_cpu(ver.dwords[3])); |
298 | |
299 | #ifdef CONFIG_RTC_LIB |
300 | tstamp = MCDI_QWORD(outbuf, |
301 | GET_VERSION_V2_OUT_CMCFW_BUILD_DATE); |
302 | if (tstamp) { |
303 | rtc_time64_to_tm(time: tstamp, tm: &build_date); |
304 | snprintf(buf: &buf[offset], EFX_MAX_VERSION_INFO_LEN - offset, |
305 | fmt: " (%ptRd)" , &build_date); |
306 | } |
307 | #endif |
308 | |
309 | devlink_info_version_running_put(req, |
310 | EFX_DEVLINK_INFO_VERSION_FW_MGMT_CMC, |
311 | version_value: buf); |
312 | } |
313 | |
314 | ver.words = (__le16 *)MCDI_PTR(outbuf, GET_VERSION_V2_OUT_VERSION); |
315 | offset = snprintf(buf, EFX_MAX_VERSION_INFO_LEN, fmt: "%u.%u.%u.%u" , |
316 | le16_to_cpu(ver.words[0]), le16_to_cpu(ver.words[1]), |
317 | le16_to_cpu(ver.words[2]), le16_to_cpu(ver.words[3])); |
318 | if (flags & BIT(EFX_VER_FLAG(MCFW_EXT_INFO))) { |
319 | build_id = MCDI_DWORD(outbuf, GET_VERSION_V2_OUT_MCFW_BUILD_ID); |
320 | snprintf(buf: &buf[offset], EFX_MAX_VERSION_INFO_LEN - offset, |
321 | fmt: " (%x) %s" , build_id, |
322 | MCDI_PTR(outbuf, GET_VERSION_V2_OUT_MCFW_BUILD_NAME)); |
323 | } |
324 | devlink_info_version_running_put(req, |
325 | DEVLINK_INFO_VERSION_GENERIC_FW_MGMT, |
326 | version_value: buf); |
327 | |
328 | if (flags & BIT(EFX_VER_FLAG(SUCFW_EXT_INFO))) { |
329 | ver.dwords = (__le32 *)MCDI_PTR(outbuf, |
330 | GET_VERSION_V2_OUT_SUCFW_VERSION); |
331 | #ifdef CONFIG_RTC_LIB |
332 | tstamp = MCDI_QWORD(outbuf, |
333 | GET_VERSION_V2_OUT_SUCFW_BUILD_DATE); |
334 | rtc_time64_to_tm(time: tstamp, tm: &build_date); |
335 | #else |
336 | memset(&build_date, 0, sizeof(build_date)); |
337 | #endif |
338 | build_id = MCDI_DWORD(outbuf, GET_VERSION_V2_OUT_SUCFW_CHIP_ID); |
339 | |
340 | snprintf(buf, EFX_MAX_VERSION_INFO_LEN, |
341 | fmt: "%u.%u.%u.%u type %x (%ptRd)" , |
342 | le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]), |
343 | le32_to_cpu(ver.dwords[2]), le32_to_cpu(ver.dwords[3]), |
344 | build_id, &build_date); |
345 | |
346 | devlink_info_version_running_put(req, |
347 | EFX_DEVLINK_INFO_VERSION_FW_MGMT_SUC, |
348 | version_value: buf); |
349 | } |
350 | } |
351 | |
352 | static void efx_devlink_info_running_v3(struct efx_nic *efx, |
353 | struct devlink_info_req *req, |
354 | unsigned int flags, efx_dword_t *outbuf) |
355 | { |
356 | char buf[EFX_MAX_VERSION_INFO_LEN]; |
357 | union { |
358 | const __le32 *dwords; |
359 | const __le16 *words; |
360 | const char *str; |
361 | } ver; |
362 | |
363 | if (flags & BIT(EFX_VER_FLAG(DATAPATH_HW_VERSION))) { |
364 | ver.dwords = (__le32 *)MCDI_PTR(outbuf, |
365 | GET_VERSION_V3_OUT_DATAPATH_HW_VERSION); |
366 | |
367 | snprintf(buf, EFX_MAX_VERSION_INFO_LEN, fmt: "%u.%u.%u" , |
368 | le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]), |
369 | le32_to_cpu(ver.dwords[2])); |
370 | |
371 | devlink_info_version_running_put(req, |
372 | EFX_DEVLINK_INFO_VERSION_DATAPATH_HW, |
373 | version_value: buf); |
374 | } |
375 | |
376 | if (flags & BIT(EFX_VER_FLAG(DATAPATH_FW_VERSION))) { |
377 | ver.dwords = (__le32 *)MCDI_PTR(outbuf, |
378 | GET_VERSION_V3_OUT_DATAPATH_FW_VERSION); |
379 | |
380 | snprintf(buf, EFX_MAX_VERSION_INFO_LEN, fmt: "%u.%u.%u" , |
381 | le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]), |
382 | le32_to_cpu(ver.dwords[2])); |
383 | |
384 | devlink_info_version_running_put(req, |
385 | EFX_DEVLINK_INFO_VERSION_DATAPATH_FW, |
386 | version_value: buf); |
387 | } |
388 | } |
389 | |
390 | static void efx_devlink_info_running_v4(struct efx_nic *efx, |
391 | struct devlink_info_req *req, |
392 | unsigned int flags, efx_dword_t *outbuf) |
393 | { |
394 | char buf[EFX_MAX_VERSION_INFO_LEN]; |
395 | union { |
396 | const __le32 *dwords; |
397 | const __le16 *words; |
398 | const char *str; |
399 | } ver; |
400 | |
401 | if (flags & BIT(EFX_VER_FLAG(SOC_BOOT_VERSION))) { |
402 | ver.dwords = (__le32 *)MCDI_PTR(outbuf, |
403 | GET_VERSION_V4_OUT_SOC_BOOT_VERSION); |
404 | |
405 | snprintf(buf, EFX_MAX_VERSION_INFO_LEN, fmt: "%u.%u.%u.%u" , |
406 | le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]), |
407 | le32_to_cpu(ver.dwords[2]), |
408 | le32_to_cpu(ver.dwords[3])); |
409 | |
410 | devlink_info_version_running_put(req, |
411 | EFX_DEVLINK_INFO_VERSION_SOC_BOOT, |
412 | version_value: buf); |
413 | } |
414 | |
415 | if (flags & BIT(EFX_VER_FLAG(SOC_UBOOT_VERSION))) { |
416 | ver.dwords = (__le32 *)MCDI_PTR(outbuf, |
417 | GET_VERSION_V4_OUT_SOC_UBOOT_VERSION); |
418 | |
419 | snprintf(buf, EFX_MAX_VERSION_INFO_LEN, fmt: "%u.%u.%u.%u" , |
420 | le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]), |
421 | le32_to_cpu(ver.dwords[2]), |
422 | le32_to_cpu(ver.dwords[3])); |
423 | |
424 | devlink_info_version_running_put(req, |
425 | EFX_DEVLINK_INFO_VERSION_SOC_UBOOT, |
426 | version_value: buf); |
427 | } |
428 | |
429 | if (flags & BIT(EFX_VER_FLAG(SOC_MAIN_ROOTFS_VERSION))) { |
430 | ver.dwords = (__le32 *)MCDI_PTR(outbuf, |
431 | GET_VERSION_V4_OUT_SOC_MAIN_ROOTFS_VERSION); |
432 | |
433 | snprintf(buf, EFX_MAX_VERSION_INFO_LEN, fmt: "%u.%u.%u.%u" , |
434 | le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]), |
435 | le32_to_cpu(ver.dwords[2]), |
436 | le32_to_cpu(ver.dwords[3])); |
437 | |
438 | devlink_info_version_running_put(req, |
439 | EFX_DEVLINK_INFO_VERSION_SOC_MAIN, |
440 | version_value: buf); |
441 | } |
442 | |
443 | if (flags & BIT(EFX_VER_FLAG(SOC_RECOVERY_BUILDROOT_VERSION))) { |
444 | ver.dwords = (__le32 *)MCDI_PTR(outbuf, |
445 | GET_VERSION_V4_OUT_SOC_RECOVERY_BUILDROOT_VERSION); |
446 | |
447 | snprintf(buf, EFX_MAX_VERSION_INFO_LEN, fmt: "%u.%u.%u.%u" , |
448 | le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]), |
449 | le32_to_cpu(ver.dwords[2]), |
450 | le32_to_cpu(ver.dwords[3])); |
451 | |
452 | devlink_info_version_running_put(req, |
453 | EFX_DEVLINK_INFO_VERSION_SOC_RECOVERY, |
454 | version_value: buf); |
455 | } |
456 | |
457 | if (flags & BIT(EFX_VER_FLAG(SUCFW_VERSION)) && |
458 | ~flags & BIT(EFX_VER_FLAG(SUCFW_EXT_INFO))) { |
459 | ver.dwords = (__le32 *)MCDI_PTR(outbuf, |
460 | GET_VERSION_V4_OUT_SUCFW_VERSION); |
461 | |
462 | snprintf(buf, EFX_MAX_VERSION_INFO_LEN, fmt: "%u.%u.%u.%u" , |
463 | le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]), |
464 | le32_to_cpu(ver.dwords[2]), |
465 | le32_to_cpu(ver.dwords[3])); |
466 | |
467 | devlink_info_version_running_put(req, |
468 | EFX_DEVLINK_INFO_VERSION_FW_MGMT_SUC, |
469 | version_value: buf); |
470 | } |
471 | } |
472 | |
473 | static void efx_devlink_info_running_v5(struct efx_nic *efx, |
474 | struct devlink_info_req *req, |
475 | unsigned int flags, efx_dword_t *outbuf) |
476 | { |
477 | char buf[EFX_MAX_VERSION_INFO_LEN]; |
478 | union { |
479 | const __le32 *dwords; |
480 | const __le16 *words; |
481 | const char *str; |
482 | } ver; |
483 | |
484 | if (flags & BIT(EFX_VER_FLAG(BOARD_VERSION))) { |
485 | ver.dwords = (__le32 *)MCDI_PTR(outbuf, |
486 | GET_VERSION_V5_OUT_BOARD_VERSION); |
487 | |
488 | snprintf(buf, EFX_MAX_VERSION_INFO_LEN, fmt: "%u.%u.%u.%u" , |
489 | le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]), |
490 | le32_to_cpu(ver.dwords[2]), |
491 | le32_to_cpu(ver.dwords[3])); |
492 | |
493 | devlink_info_version_running_put(req, |
494 | DEVLINK_INFO_VERSION_GENERIC_BOARD_REV, |
495 | version_value: buf); |
496 | } |
497 | |
498 | if (flags & BIT(EFX_VER_FLAG(BUNDLE_VERSION))) { |
499 | ver.dwords = (__le32 *)MCDI_PTR(outbuf, |
500 | GET_VERSION_V5_OUT_BUNDLE_VERSION); |
501 | |
502 | snprintf(buf, EFX_MAX_VERSION_INFO_LEN, fmt: "%u.%u.%u.%u" , |
503 | le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]), |
504 | le32_to_cpu(ver.dwords[2]), |
505 | le32_to_cpu(ver.dwords[3])); |
506 | |
507 | devlink_info_version_running_put(req, |
508 | DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID, |
509 | version_value: buf); |
510 | } |
511 | } |
512 | |
513 | static int efx_devlink_info_running_versions(struct efx_nic *efx, |
514 | struct devlink_info_req *req) |
515 | { |
516 | MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_VERSION_V5_OUT_LEN); |
517 | MCDI_DECLARE_BUF(inbuf, MC_CMD_GET_VERSION_EXT_IN_LEN); |
518 | char buf[EFX_MAX_VERSION_INFO_LEN]; |
519 | union { |
520 | const __le32 *dwords; |
521 | const __le16 *words; |
522 | const char *str; |
523 | } ver; |
524 | size_t outlength; |
525 | unsigned int flags; |
526 | int rc; |
527 | |
528 | rc = efx_mcdi_rpc(efx, MC_CMD_GET_VERSION, inbuf, inlen: sizeof(inbuf), |
529 | outbuf, outlen: sizeof(outbuf), outlen_actual: &outlength); |
530 | if (rc || outlength < MC_CMD_GET_VERSION_OUT_LEN) { |
531 | netif_err(efx, drv, efx->net_dev, |
532 | "mcdi MC_CMD_GET_VERSION failed\n" ); |
533 | return rc; |
534 | } |
535 | |
536 | /* Handle previous output */ |
537 | if (outlength < MC_CMD_GET_VERSION_V2_OUT_LEN) { |
538 | ver.words = (__le16 *)MCDI_PTR(outbuf, |
539 | GET_VERSION_EXT_OUT_VERSION); |
540 | snprintf(buf, EFX_MAX_VERSION_INFO_LEN, fmt: "%u.%u.%u.%u" , |
541 | le16_to_cpu(ver.words[0]), |
542 | le16_to_cpu(ver.words[1]), |
543 | le16_to_cpu(ver.words[2]), |
544 | le16_to_cpu(ver.words[3])); |
545 | |
546 | devlink_info_version_running_put(req, |
547 | DEVLINK_INFO_VERSION_GENERIC_FW_MGMT, |
548 | version_value: buf); |
549 | return 0; |
550 | } |
551 | |
552 | /* Handle V2 additions */ |
553 | flags = MCDI_DWORD(outbuf, GET_VERSION_V2_OUT_FLAGS); |
554 | efx_devlink_info_running_v2(efx, req, flags, outbuf); |
555 | |
556 | if (outlength < MC_CMD_GET_VERSION_V3_OUT_LEN) |
557 | return 0; |
558 | |
559 | /* Handle V3 additions */ |
560 | efx_devlink_info_running_v3(efx, req, flags, outbuf); |
561 | |
562 | if (outlength < MC_CMD_GET_VERSION_V4_OUT_LEN) |
563 | return 0; |
564 | |
565 | /* Handle V4 additions */ |
566 | efx_devlink_info_running_v4(efx, req, flags, outbuf); |
567 | |
568 | if (outlength < MC_CMD_GET_VERSION_V5_OUT_LEN) |
569 | return 0; |
570 | |
571 | /* Handle V5 additions */ |
572 | efx_devlink_info_running_v5(efx, req, flags, outbuf); |
573 | |
574 | return 0; |
575 | } |
576 | |
577 | #define EFX_MAX_SERIALNUM_LEN (ETH_ALEN * 2 + 1) |
578 | |
579 | static int efx_devlink_info_board_cfg(struct efx_nic *efx, |
580 | struct devlink_info_req *req) |
581 | { |
582 | char sn[EFX_MAX_SERIALNUM_LEN]; |
583 | u8 mac_address[ETH_ALEN]; |
584 | int rc; |
585 | |
586 | rc = efx_mcdi_get_board_cfg(efx, mac_address: (u8 *)mac_address, NULL, NULL); |
587 | if (!rc) { |
588 | snprintf(buf: sn, EFX_MAX_SERIALNUM_LEN, fmt: "%pm" , mac_address); |
589 | devlink_info_serial_number_put(req, sn); |
590 | } |
591 | return rc; |
592 | } |
593 | |
594 | static int efx_devlink_info_get(struct devlink *devlink, |
595 | struct devlink_info_req *req, |
596 | struct netlink_ext_ack *extack) |
597 | { |
598 | struct efx_devlink *devlink_private = devlink_priv(devlink); |
599 | struct efx_nic *efx = devlink_private->efx; |
600 | int err; |
601 | |
602 | /* Several different MCDI commands are used. We report if errors |
603 | * happened through extack. Specific error information via system |
604 | * messages inside the calls. |
605 | */ |
606 | err = efx_devlink_info_board_cfg(efx, req); |
607 | |
608 | err |= efx_devlink_info_stored_versions(efx, req); |
609 | |
610 | err |= efx_devlink_info_running_versions(efx, req); |
611 | |
612 | if (err) |
613 | NL_SET_ERR_MSG_MOD(extack, "Errors when getting device info. Check system messages" ); |
614 | |
615 | return 0; |
616 | } |
617 | |
618 | static const struct devlink_ops sfc_devlink_ops = { |
619 | .info_get = efx_devlink_info_get, |
620 | }; |
621 | |
622 | #ifdef CONFIG_SFC_SRIOV |
623 | static struct devlink_port *ef100_set_devlink_port(struct efx_nic *efx, u32 idx) |
624 | { |
625 | struct mae_mport_desc *mport; |
626 | u32 id; |
627 | int rc; |
628 | |
629 | if (!efx->mae) |
630 | return NULL; |
631 | |
632 | if (efx_mae_lookup_mport(efx, vf: idx, id: &id)) { |
633 | /* This should not happen. */ |
634 | if (idx == MAE_MPORT_DESC_VF_IDX_NULL) |
635 | pci_warn_once(efx->pci_dev, "No mport ID found for PF.\n" ); |
636 | else |
637 | pci_warn_once(efx->pci_dev, "No mport ID found for VF %u.\n" , |
638 | idx); |
639 | return NULL; |
640 | } |
641 | |
642 | mport = efx_mae_get_mport(efx, mport_id: id); |
643 | if (!mport) { |
644 | /* This should not happen. */ |
645 | if (idx == MAE_MPORT_DESC_VF_IDX_NULL) |
646 | pci_warn_once(efx->pci_dev, "No mport found for PF.\n" ); |
647 | else |
648 | pci_warn_once(efx->pci_dev, "No mport found for VF %u.\n" , |
649 | idx); |
650 | return NULL; |
651 | } |
652 | |
653 | rc = efx_devlink_add_port(efx, mport); |
654 | if (rc) { |
655 | if (idx == MAE_MPORT_DESC_VF_IDX_NULL) |
656 | pci_warn(efx->pci_dev, |
657 | "devlink port creation for PF failed.\n" ); |
658 | else |
659 | pci_warn(efx->pci_dev, |
660 | "devlink_port creation for VF %u failed.\n" , |
661 | idx); |
662 | return NULL; |
663 | } |
664 | |
665 | return &mport->dl_port; |
666 | } |
667 | |
668 | void ef100_rep_set_devlink_port(struct efx_rep *efv) |
669 | { |
670 | efv->dl_port = ef100_set_devlink_port(efx: efv->parent, idx: efv->idx); |
671 | } |
672 | |
673 | void ef100_pf_set_devlink_port(struct efx_nic *efx) |
674 | { |
675 | efx->dl_port = ef100_set_devlink_port(efx, MAE_MPORT_DESC_VF_IDX_NULL); |
676 | } |
677 | |
678 | void ef100_rep_unset_devlink_port(struct efx_rep *efv) |
679 | { |
680 | efx_devlink_del_port(dl_port: efv->dl_port); |
681 | } |
682 | |
683 | void ef100_pf_unset_devlink_port(struct efx_nic *efx) |
684 | { |
685 | efx_devlink_del_port(dl_port: efx->dl_port); |
686 | } |
687 | #endif |
688 | |
689 | void efx_fini_devlink_lock(struct efx_nic *efx) |
690 | { |
691 | if (efx->devlink) |
692 | devl_lock(devlink: efx->devlink); |
693 | } |
694 | |
695 | void efx_fini_devlink_and_unlock(struct efx_nic *efx) |
696 | { |
697 | if (efx->devlink) { |
698 | devl_unregister(devlink: efx->devlink); |
699 | devl_unlock(devlink: efx->devlink); |
700 | devlink_free(devlink: efx->devlink); |
701 | efx->devlink = NULL; |
702 | } |
703 | } |
704 | |
705 | int efx_probe_devlink_and_lock(struct efx_nic *efx) |
706 | { |
707 | struct efx_devlink *devlink_private; |
708 | |
709 | if (efx->type->is_vf) |
710 | return 0; |
711 | |
712 | efx->devlink = devlink_alloc(ops: &sfc_devlink_ops, |
713 | priv_size: sizeof(struct efx_devlink), |
714 | dev: &efx->pci_dev->dev); |
715 | if (!efx->devlink) |
716 | return -ENOMEM; |
717 | |
718 | devl_lock(devlink: efx->devlink); |
719 | devlink_private = devlink_priv(devlink: efx->devlink); |
720 | devlink_private->efx = efx; |
721 | |
722 | devl_register(devlink: efx->devlink); |
723 | |
724 | return 0; |
725 | } |
726 | |
727 | void efx_probe_devlink_unlock(struct efx_nic *efx) |
728 | { |
729 | if (!efx->devlink) |
730 | return; |
731 | |
732 | devl_unlock(devlink: efx->devlink); |
733 | } |
734 | |