1 // SPDX-License-Identifier: GPL-2.0
2 /* Huawei HiNIC PCI Express Linux driver
3 * Copyright(c) 2017 Huawei Technologies Co., Ltd
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * for more details.
13 *
14 */
15 #include <linux/netlink.h>
16 #include <net/devlink.h>
17 #include <linux/firmware.h>
18
19 #include "hinic_port.h"
20 #include "hinic_devlink.h"
21 #include "hinic_hw_dev.h"
22
check_image_valid(struct hinic_devlink_priv * priv,const u8 * buf,u32 image_size,struct host_image_st * host_image)23 static bool check_image_valid(struct hinic_devlink_priv *priv, const u8 *buf,
24 u32 image_size, struct host_image_st *host_image)
25 {
26 struct fw_image_st *fw_image = NULL;
27 u32 len = 0;
28 u32 i;
29
30 fw_image = (struct fw_image_st *)buf;
31
32 if (fw_image->fw_magic != HINIC_MAGIC_NUM) {
33 dev_err(&priv->hwdev->hwif->pdev->dev, "Wrong fw_magic read from file, fw_magic: 0x%x\n",
34 fw_image->fw_magic);
35 return false;
36 }
37
38 if (fw_image->fw_info.fw_section_cnt > MAX_FW_TYPE_NUM) {
39 dev_err(&priv->hwdev->hwif->pdev->dev, "Wrong fw_type_num read from file, fw_type_num: 0x%x\n",
40 fw_image->fw_info.fw_section_cnt);
41 return false;
42 }
43
44 for (i = 0; i < fw_image->fw_info.fw_section_cnt; i++) {
45 len += fw_image->fw_section_info[i].fw_section_len;
46 host_image->image_section_info[i] = fw_image->fw_section_info[i];
47 }
48
49 if (len != fw_image->fw_len ||
50 (fw_image->fw_len + UPDATEFW_IMAGE_HEAD_SIZE) != image_size) {
51 dev_err(&priv->hwdev->hwif->pdev->dev, "Wrong data size read from file\n");
52 return false;
53 }
54
55 host_image->image_info.up_total_len = fw_image->fw_len;
56 host_image->image_info.fw_version = fw_image->fw_version;
57 host_image->section_type_num = fw_image->fw_info.fw_section_cnt;
58 host_image->device_id = fw_image->device_id;
59
60 return true;
61 }
62
check_image_integrity(struct hinic_devlink_priv * priv,struct host_image_st * host_image,u32 update_type)63 static bool check_image_integrity(struct hinic_devlink_priv *priv,
64 struct host_image_st *host_image,
65 u32 update_type)
66 {
67 u32 collect_section_type = 0;
68 u32 i, type;
69
70 for (i = 0; i < host_image->section_type_num; i++) {
71 type = host_image->image_section_info[i].fw_section_type;
72 if (collect_section_type & (1U << type)) {
73 dev_err(&priv->hwdev->hwif->pdev->dev, "Duplicate section type: %u\n",
74 type);
75 return false;
76 }
77 collect_section_type |= (1U << type);
78 }
79
80 if (update_type == FW_UPDATE_COLD &&
81 (((collect_section_type & _IMAGE_COLD_SUB_MODULES_MUST_IN) ==
82 _IMAGE_COLD_SUB_MODULES_MUST_IN) ||
83 collect_section_type == _IMAGE_CFG_SUB_MODULES_MUST_IN))
84 return true;
85
86 if (update_type == FW_UPDATE_HOT &&
87 (collect_section_type & _IMAGE_HOT_SUB_MODULES_MUST_IN) ==
88 _IMAGE_HOT_SUB_MODULES_MUST_IN)
89 return true;
90
91 if (update_type == FW_UPDATE_COLD)
92 dev_err(&priv->hwdev->hwif->pdev->dev, "Check file integrity failed, valid: 0x%x or 0x%lx, current: 0x%x\n",
93 _IMAGE_COLD_SUB_MODULES_MUST_IN,
94 _IMAGE_CFG_SUB_MODULES_MUST_IN, collect_section_type);
95 else
96 dev_err(&priv->hwdev->hwif->pdev->dev, "Check file integrity failed, valid:0x%x, current: 0x%x\n",
97 _IMAGE_HOT_SUB_MODULES_MUST_IN, collect_section_type);
98
99 return false;
100 }
101
check_image_device_type(struct hinic_devlink_priv * priv,u32 image_device_type)102 static int check_image_device_type(struct hinic_devlink_priv *priv,
103 u32 image_device_type)
104 {
105 struct hinic_comm_board_info board_info = {0};
106
107 if (hinic_get_board_info(priv->hwdev, &board_info)) {
108 dev_err(&priv->hwdev->hwif->pdev->dev, "Get board info failed\n");
109 return false;
110 }
111
112 if (image_device_type == board_info.info.board_type)
113 return true;
114
115 dev_err(&priv->hwdev->hwif->pdev->dev, "The device type of upgrade file doesn't match the device type of current firmware, please check the upgrade file\n");
116 dev_err(&priv->hwdev->hwif->pdev->dev, "The image device type: 0x%x, firmware device type: 0x%x\n",
117 image_device_type, board_info.info.board_type);
118
119 return false;
120 }
121
hinic_flash_fw(struct hinic_devlink_priv * priv,const u8 * data,struct host_image_st * host_image)122 static int hinic_flash_fw(struct hinic_devlink_priv *priv, const u8 *data,
123 struct host_image_st *host_image)
124 {
125 u32 section_remain_send_len, send_fragment_len, send_pos, up_total_len;
126 struct hinic_cmd_update_fw *fw_update_msg = NULL;
127 u32 section_type, section_crc, section_version;
128 u32 i, len, section_len, section_offset;
129 u16 out_size = sizeof(*fw_update_msg);
130 int total_len_flag = 0;
131 int err;
132
133 fw_update_msg = kzalloc(sizeof(*fw_update_msg), GFP_KERNEL);
134 if (!fw_update_msg)
135 return -ENOMEM;
136
137 up_total_len = host_image->image_info.up_total_len;
138
139 for (i = 0; i < host_image->section_type_num; i++) {
140 len = host_image->image_section_info[i].fw_section_len;
141 if (host_image->image_section_info[i].fw_section_type ==
142 UP_FW_UPDATE_BOOT) {
143 up_total_len = up_total_len - len;
144 break;
145 }
146 }
147
148 for (i = 0; i < host_image->section_type_num; i++) {
149 section_len =
150 host_image->image_section_info[i].fw_section_len;
151 section_offset =
152 host_image->image_section_info[i].fw_section_offset;
153 section_remain_send_len = section_len;
154 section_type =
155 host_image->image_section_info[i].fw_section_type;
156 section_crc = host_image->image_section_info[i].fw_section_crc;
157 section_version =
158 host_image->image_section_info[i].fw_section_version;
159
160 if (section_type == UP_FW_UPDATE_BOOT)
161 continue;
162
163 send_fragment_len = 0;
164 send_pos = 0;
165
166 while (section_remain_send_len > 0) {
167 if (!total_len_flag) {
168 fw_update_msg->total_len = up_total_len;
169 total_len_flag = 1;
170 } else {
171 fw_update_msg->total_len = 0;
172 }
173
174 memset(fw_update_msg->data, 0, MAX_FW_FRAGMENT_LEN);
175
176 fw_update_msg->ctl_info.SF =
177 (section_remain_send_len == section_len) ?
178 true : false;
179 fw_update_msg->section_info.FW_section_CRC = section_crc;
180 fw_update_msg->fw_section_version = section_version;
181 fw_update_msg->ctl_info.flag = UP_TYPE_A;
182
183 if (section_type <= UP_FW_UPDATE_UP_DATA_B) {
184 fw_update_msg->section_info.FW_section_type =
185 (section_type % 2) ?
186 UP_FW_UPDATE_UP_DATA :
187 UP_FW_UPDATE_UP_TEXT;
188
189 fw_update_msg->ctl_info.flag = UP_TYPE_B;
190 if (section_type <= UP_FW_UPDATE_UP_DATA_A)
191 fw_update_msg->ctl_info.flag = UP_TYPE_A;
192 } else {
193 fw_update_msg->section_info.FW_section_type =
194 section_type - 0x2;
195 }
196
197 fw_update_msg->setion_total_len = section_len;
198 fw_update_msg->section_offset = send_pos;
199
200 if (section_remain_send_len <= MAX_FW_FRAGMENT_LEN) {
201 fw_update_msg->ctl_info.SL = true;
202 fw_update_msg->ctl_info.fragment_len =
203 section_remain_send_len;
204 send_fragment_len += section_remain_send_len;
205 } else {
206 fw_update_msg->ctl_info.SL = false;
207 fw_update_msg->ctl_info.fragment_len =
208 MAX_FW_FRAGMENT_LEN;
209 send_fragment_len += MAX_FW_FRAGMENT_LEN;
210 }
211
212 memcpy(fw_update_msg->data,
213 data + UPDATEFW_IMAGE_HEAD_SIZE +
214 section_offset + send_pos,
215 fw_update_msg->ctl_info.fragment_len);
216
217 err = hinic_port_msg_cmd(priv->hwdev,
218 HINIC_PORT_CMD_UPDATE_FW,
219 fw_update_msg,
220 sizeof(*fw_update_msg),
221 fw_update_msg, &out_size);
222 if (err || !out_size || fw_update_msg->status) {
223 dev_err(&priv->hwdev->hwif->pdev->dev, "Failed to update firmware, err: %d, status: 0x%x, out size: 0x%x\n",
224 err, fw_update_msg->status, out_size);
225 err = fw_update_msg->status ?
226 fw_update_msg->status : -EIO;
227 kfree(fw_update_msg);
228 return err;
229 }
230
231 send_pos = send_fragment_len;
232 section_remain_send_len = section_len -
233 send_fragment_len;
234 }
235 }
236
237 kfree(fw_update_msg);
238
239 return 0;
240 }
241
hinic_firmware_update(struct hinic_devlink_priv * priv,const struct firmware * fw,struct netlink_ext_ack * extack)242 static int hinic_firmware_update(struct hinic_devlink_priv *priv,
243 const struct firmware *fw,
244 struct netlink_ext_ack *extack)
245 {
246 struct host_image_st host_image;
247 int err;
248
249 memset(&host_image, 0, sizeof(struct host_image_st));
250
251 if (!check_image_valid(priv, fw->data, fw->size, &host_image) ||
252 !check_image_integrity(priv, &host_image, FW_UPDATE_COLD) ||
253 !check_image_device_type(priv, host_image.device_id)) {
254 NL_SET_ERR_MSG_MOD(extack, "Check image failed");
255 return -EINVAL;
256 }
257
258 dev_info(&priv->hwdev->hwif->pdev->dev, "Flash firmware begin\n");
259
260 err = hinic_flash_fw(priv, fw->data, &host_image);
261 if (err) {
262 if (err == HINIC_FW_DISMATCH_ERROR) {
263 dev_err(&priv->hwdev->hwif->pdev->dev, "Firmware image doesn't match this card, please use newer image, err: %d\n",
264 err);
265 NL_SET_ERR_MSG_MOD(extack,
266 "Firmware image doesn't match this card, please use newer image");
267 } else {
268 dev_err(&priv->hwdev->hwif->pdev->dev, "Send firmware image data failed, err: %d\n",
269 err);
270 NL_SET_ERR_MSG_MOD(extack, "Send firmware image data failed");
271 }
272
273 return err;
274 }
275
276 dev_info(&priv->hwdev->hwif->pdev->dev, "Flash firmware end\n");
277
278 return 0;
279 }
280
hinic_devlink_flash_update(struct devlink * devlink,struct devlink_flash_update_params * params,struct netlink_ext_ack * extack)281 static int hinic_devlink_flash_update(struct devlink *devlink,
282 struct devlink_flash_update_params *params,
283 struct netlink_ext_ack *extack)
284 {
285 struct hinic_devlink_priv *priv = devlink_priv(devlink);
286
287 return hinic_firmware_update(priv, params->fw, extack);
288 }
289
290 static const struct devlink_ops hinic_devlink_ops = {
291 .flash_update = hinic_devlink_flash_update,
292 };
293
hinic_devlink_alloc(struct device * dev)294 struct devlink *hinic_devlink_alloc(struct device *dev)
295 {
296 return devlink_alloc(&hinic_devlink_ops, sizeof(struct hinic_dev), dev);
297 }
298
hinic_devlink_free(struct devlink * devlink)299 void hinic_devlink_free(struct devlink *devlink)
300 {
301 devlink_free(devlink);
302 }
303
hinic_devlink_register(struct hinic_devlink_priv * priv)304 void hinic_devlink_register(struct hinic_devlink_priv *priv)
305 {
306 struct devlink *devlink = priv_to_devlink(priv);
307
308 devlink_register(devlink);
309 }
310
hinic_devlink_unregister(struct hinic_devlink_priv * priv)311 void hinic_devlink_unregister(struct hinic_devlink_priv *priv)
312 {
313 struct devlink *devlink = priv_to_devlink(priv);
314
315 devlink_unregister(devlink);
316 }
317
chip_fault_show(struct devlink_fmsg * fmsg,struct hinic_fault_event * event)318 static int chip_fault_show(struct devlink_fmsg *fmsg,
319 struct hinic_fault_event *event)
320 {
321 const char * const level_str[FAULT_LEVEL_MAX + 1] = {
322 "fatal", "reset", "flr", "general", "suggestion", "Unknown"};
323 u8 fault_level;
324 int err;
325
326 fault_level = (event->event.chip.err_level < FAULT_LEVEL_MAX) ?
327 event->event.chip.err_level : FAULT_LEVEL_MAX;
328 if (fault_level == FAULT_LEVEL_SERIOUS_FLR) {
329 err = devlink_fmsg_u32_pair_put(fmsg, "Function level err func_id",
330 (u32)event->event.chip.func_id);
331 if (err)
332 return err;
333 }
334
335 err = devlink_fmsg_u8_pair_put(fmsg, "module_id", event->event.chip.node_id);
336 if (err)
337 return err;
338
339 err = devlink_fmsg_u32_pair_put(fmsg, "err_type", (u32)event->event.chip.err_type);
340 if (err)
341 return err;
342
343 err = devlink_fmsg_string_pair_put(fmsg, "err_level", level_str[fault_level]);
344 if (err)
345 return err;
346
347 err = devlink_fmsg_u32_pair_put(fmsg, "err_csr_addr",
348 event->event.chip.err_csr_addr);
349 if (err)
350 return err;
351
352 err = devlink_fmsg_u32_pair_put(fmsg, "err_csr_value",
353 event->event.chip.err_csr_value);
354 if (err)
355 return err;
356
357 return 0;
358 }
359
fault_report_show(struct devlink_fmsg * fmsg,struct hinic_fault_event * event)360 static int fault_report_show(struct devlink_fmsg *fmsg,
361 struct hinic_fault_event *event)
362 {
363 const char * const type_str[FAULT_TYPE_MAX + 1] = {
364 "chip", "ucode", "mem rd timeout", "mem wr timeout",
365 "reg rd timeout", "reg wr timeout", "phy fault", "Unknown"};
366 u8 fault_type;
367 int err;
368
369 fault_type = (event->type < FAULT_TYPE_MAX) ? event->type : FAULT_TYPE_MAX;
370
371 err = devlink_fmsg_string_pair_put(fmsg, "Fault type", type_str[fault_type]);
372 if (err)
373 return err;
374
375 err = devlink_fmsg_binary_pair_put(fmsg, "Fault raw data",
376 event->event.val, sizeof(event->event.val));
377 if (err)
378 return err;
379
380 switch (event->type) {
381 case FAULT_TYPE_CHIP:
382 err = chip_fault_show(fmsg, event);
383 if (err)
384 return err;
385 break;
386 case FAULT_TYPE_UCODE:
387 err = devlink_fmsg_u8_pair_put(fmsg, "Cause_id", event->event.ucode.cause_id);
388 if (err)
389 return err;
390 err = devlink_fmsg_u8_pair_put(fmsg, "core_id", event->event.ucode.core_id);
391 if (err)
392 return err;
393 err = devlink_fmsg_u8_pair_put(fmsg, "c_id", event->event.ucode.c_id);
394 if (err)
395 return err;
396 err = devlink_fmsg_u8_pair_put(fmsg, "epc", event->event.ucode.epc);
397 if (err)
398 return err;
399 break;
400 case FAULT_TYPE_MEM_RD_TIMEOUT:
401 case FAULT_TYPE_MEM_WR_TIMEOUT:
402 err = devlink_fmsg_u32_pair_put(fmsg, "Err_csr_ctrl",
403 event->event.mem_timeout.err_csr_ctrl);
404 if (err)
405 return err;
406 err = devlink_fmsg_u32_pair_put(fmsg, "err_csr_data",
407 event->event.mem_timeout.err_csr_data);
408 if (err)
409 return err;
410 err = devlink_fmsg_u32_pair_put(fmsg, "ctrl_tab",
411 event->event.mem_timeout.ctrl_tab);
412 if (err)
413 return err;
414 err = devlink_fmsg_u32_pair_put(fmsg, "mem_index",
415 event->event.mem_timeout.mem_index);
416 if (err)
417 return err;
418 break;
419 case FAULT_TYPE_REG_RD_TIMEOUT:
420 case FAULT_TYPE_REG_WR_TIMEOUT:
421 err = devlink_fmsg_u32_pair_put(fmsg, "Err_csr", event->event.reg_timeout.err_csr);
422 if (err)
423 return err;
424 break;
425 case FAULT_TYPE_PHY_FAULT:
426 err = devlink_fmsg_u8_pair_put(fmsg, "Op_type", event->event.phy_fault.op_type);
427 if (err)
428 return err;
429 err = devlink_fmsg_u8_pair_put(fmsg, "port_id", event->event.phy_fault.port_id);
430 if (err)
431 return err;
432 err = devlink_fmsg_u8_pair_put(fmsg, "dev_ad", event->event.phy_fault.dev_ad);
433 if (err)
434 return err;
435
436 err = devlink_fmsg_u32_pair_put(fmsg, "csr_addr", event->event.phy_fault.csr_addr);
437 if (err)
438 return err;
439 err = devlink_fmsg_u32_pair_put(fmsg, "op_data", event->event.phy_fault.op_data);
440 if (err)
441 return err;
442 break;
443 default:
444 break;
445 }
446
447 return 0;
448 }
449
hinic_hw_reporter_dump(struct devlink_health_reporter * reporter,struct devlink_fmsg * fmsg,void * priv_ctx,struct netlink_ext_ack * extack)450 static int hinic_hw_reporter_dump(struct devlink_health_reporter *reporter,
451 struct devlink_fmsg *fmsg, void *priv_ctx,
452 struct netlink_ext_ack *extack)
453 {
454 if (priv_ctx)
455 return fault_report_show(fmsg, priv_ctx);
456
457 return 0;
458 }
459
mgmt_watchdog_report_show(struct devlink_fmsg * fmsg,struct hinic_mgmt_watchdog_info * watchdog_info)460 static int mgmt_watchdog_report_show(struct devlink_fmsg *fmsg,
461 struct hinic_mgmt_watchdog_info *watchdog_info)
462 {
463 int err;
464
465 err = devlink_fmsg_u32_pair_put(fmsg, "Mgmt deadloop time_h", watchdog_info->curr_time_h);
466 if (err)
467 return err;
468
469 err = devlink_fmsg_u32_pair_put(fmsg, "time_l", watchdog_info->curr_time_l);
470 if (err)
471 return err;
472
473 err = devlink_fmsg_u32_pair_put(fmsg, "task_id", watchdog_info->task_id);
474 if (err)
475 return err;
476
477 err = devlink_fmsg_u32_pair_put(fmsg, "sp", watchdog_info->sp);
478 if (err)
479 return err;
480
481 err = devlink_fmsg_u32_pair_put(fmsg, "stack_current_used", watchdog_info->curr_used);
482 if (err)
483 return err;
484
485 err = devlink_fmsg_u32_pair_put(fmsg, "peak_used", watchdog_info->peak_used);
486 if (err)
487 return err;
488
489 err = devlink_fmsg_u32_pair_put(fmsg, "\n Overflow_flag", watchdog_info->is_overflow);
490 if (err)
491 return err;
492
493 err = devlink_fmsg_u32_pair_put(fmsg, "stack_top", watchdog_info->stack_top);
494 if (err)
495 return err;
496
497 err = devlink_fmsg_u32_pair_put(fmsg, "stack_bottom", watchdog_info->stack_bottom);
498 if (err)
499 return err;
500
501 err = devlink_fmsg_u32_pair_put(fmsg, "mgmt_pc", watchdog_info->pc);
502 if (err)
503 return err;
504
505 err = devlink_fmsg_u32_pair_put(fmsg, "lr", watchdog_info->lr);
506 if (err)
507 return err;
508
509 err = devlink_fmsg_u32_pair_put(fmsg, "cpsr", watchdog_info->cpsr);
510 if (err)
511 return err;
512
513 err = devlink_fmsg_binary_pair_put(fmsg, "Mgmt register info",
514 watchdog_info->reg, sizeof(watchdog_info->reg));
515 if (err)
516 return err;
517
518 err = devlink_fmsg_binary_pair_put(fmsg, "Mgmt dump stack(start from sp)",
519 watchdog_info->data, sizeof(watchdog_info->data));
520 if (err)
521 return err;
522
523 return 0;
524 }
525
hinic_fw_reporter_dump(struct devlink_health_reporter * reporter,struct devlink_fmsg * fmsg,void * priv_ctx,struct netlink_ext_ack * extack)526 static int hinic_fw_reporter_dump(struct devlink_health_reporter *reporter,
527 struct devlink_fmsg *fmsg, void *priv_ctx,
528 struct netlink_ext_ack *extack)
529 {
530 if (priv_ctx)
531 return mgmt_watchdog_report_show(fmsg, priv_ctx);
532
533 return 0;
534 }
535
536 static const struct devlink_health_reporter_ops hinic_hw_fault_reporter_ops = {
537 .name = "hw",
538 .dump = hinic_hw_reporter_dump,
539 };
540
541 static const struct devlink_health_reporter_ops hinic_fw_fault_reporter_ops = {
542 .name = "fw",
543 .dump = hinic_fw_reporter_dump,
544 };
545
hinic_health_reporters_create(struct hinic_devlink_priv * priv)546 int hinic_health_reporters_create(struct hinic_devlink_priv *priv)
547 {
548 struct devlink *devlink = priv_to_devlink(priv);
549
550 priv->hw_fault_reporter =
551 devlink_health_reporter_create(devlink, &hinic_hw_fault_reporter_ops,
552 0, priv);
553 if (IS_ERR(priv->hw_fault_reporter)) {
554 dev_warn(&priv->hwdev->hwif->pdev->dev, "Failed to create hw fault reporter, err: %ld\n",
555 PTR_ERR(priv->hw_fault_reporter));
556 return PTR_ERR(priv->hw_fault_reporter);
557 }
558
559 priv->fw_fault_reporter =
560 devlink_health_reporter_create(devlink, &hinic_fw_fault_reporter_ops,
561 0, priv);
562 if (IS_ERR(priv->fw_fault_reporter)) {
563 dev_warn(&priv->hwdev->hwif->pdev->dev, "Failed to create fw fault reporter, err: %ld\n",
564 PTR_ERR(priv->fw_fault_reporter));
565 devlink_health_reporter_destroy(priv->hw_fault_reporter);
566 priv->hw_fault_reporter = NULL;
567 return PTR_ERR(priv->fw_fault_reporter);
568 }
569
570 return 0;
571 }
572
hinic_health_reporters_destroy(struct hinic_devlink_priv * priv)573 void hinic_health_reporters_destroy(struct hinic_devlink_priv *priv)
574 {
575 if (!IS_ERR_OR_NULL(priv->fw_fault_reporter)) {
576 devlink_health_reporter_destroy(priv->fw_fault_reporter);
577 priv->fw_fault_reporter = NULL;
578 }
579
580 if (!IS_ERR_OR_NULL(priv->hw_fault_reporter)) {
581 devlink_health_reporter_destroy(priv->hw_fault_reporter);
582 priv->hw_fault_reporter = NULL;
583 }
584 }
585
