1 // SPDX-License-Identifier: GPL-2.0+
2 /* Copyright (c) 2018-2019 Hisilicon Limited. */
3 
4 #include <linux/device.h>
5 #include <linux/sched/clock.h>
6 
7 #include "hclge_debugfs.h"
8 #include "hclge_err.h"
9 #include "hclge_main.h"
10 #include "hclge_regs.h"
11 #include "hclge_tm.h"
12 #include "hnae3.h"
13 
14 static const char * const state_str[] = { "off", "on" };
15 static const char * const hclge_mac_state_str[] = {
16 	"TO_ADD", "TO_DEL", "ACTIVE"
17 };
18 
19 static const char * const tc_map_mode_str[] = { "PRIO", "DSCP" };
20 
21 static const struct hclge_dbg_reg_type_info hclge_dbg_reg_info[] = {
22 	{ .cmd = HNAE3_DBG_CMD_REG_BIOS_COMMON,
23 	  .dfx_msg = &hclge_dbg_bios_common_reg[0],
24 	  .reg_msg = { .msg_num = ARRAY_SIZE(hclge_dbg_bios_common_reg),
25 		       .offset = HCLGE_DBG_DFX_BIOS_OFFSET,
26 		       .cmd = HCLGE_OPC_DFX_BIOS_COMMON_REG } },
27 	{ .cmd = HNAE3_DBG_CMD_REG_SSU,
28 	  .dfx_msg = &hclge_dbg_ssu_reg_0[0],
29 	  .reg_msg = { .msg_num = ARRAY_SIZE(hclge_dbg_ssu_reg_0),
30 		       .offset = HCLGE_DBG_DFX_SSU_0_OFFSET,
31 		       .cmd = HCLGE_OPC_DFX_SSU_REG_0 } },
32 	{ .cmd = HNAE3_DBG_CMD_REG_SSU,
33 	  .dfx_msg = &hclge_dbg_ssu_reg_1[0],
34 	  .reg_msg = { .msg_num = ARRAY_SIZE(hclge_dbg_ssu_reg_1),
35 		       .offset = HCLGE_DBG_DFX_SSU_1_OFFSET,
36 		       .cmd = HCLGE_OPC_DFX_SSU_REG_1 } },
37 	{ .cmd = HNAE3_DBG_CMD_REG_SSU,
38 	  .dfx_msg = &hclge_dbg_ssu_reg_2[0],
39 	  .reg_msg = { .msg_num = ARRAY_SIZE(hclge_dbg_ssu_reg_2),
40 		       .offset = HCLGE_DBG_DFX_SSU_2_OFFSET,
41 		       .cmd = HCLGE_OPC_DFX_SSU_REG_2 } },
42 	{ .cmd = HNAE3_DBG_CMD_REG_IGU_EGU,
43 	  .dfx_msg = &hclge_dbg_igu_egu_reg[0],
44 	  .reg_msg = { .msg_num = ARRAY_SIZE(hclge_dbg_igu_egu_reg),
45 		       .offset = HCLGE_DBG_DFX_IGU_OFFSET,
46 		       .cmd = HCLGE_OPC_DFX_IGU_EGU_REG } },
47 	{ .cmd = HNAE3_DBG_CMD_REG_RPU,
48 	  .dfx_msg = &hclge_dbg_rpu_reg_0[0],
49 	  .reg_msg = { .msg_num = ARRAY_SIZE(hclge_dbg_rpu_reg_0),
50 		       .offset = HCLGE_DBG_DFX_RPU_0_OFFSET,
51 		       .cmd = HCLGE_OPC_DFX_RPU_REG_0 } },
52 	{ .cmd = HNAE3_DBG_CMD_REG_RPU,
53 	  .dfx_msg = &hclge_dbg_rpu_reg_1[0],
54 	  .reg_msg = { .msg_num = ARRAY_SIZE(hclge_dbg_rpu_reg_1),
55 		       .offset = HCLGE_DBG_DFX_RPU_1_OFFSET,
56 		       .cmd = HCLGE_OPC_DFX_RPU_REG_1 } },
57 	{ .cmd = HNAE3_DBG_CMD_REG_NCSI,
58 	  .dfx_msg = &hclge_dbg_ncsi_reg[0],
59 	  .reg_msg = { .msg_num = ARRAY_SIZE(hclge_dbg_ncsi_reg),
60 		       .offset = HCLGE_DBG_DFX_NCSI_OFFSET,
61 		       .cmd = HCLGE_OPC_DFX_NCSI_REG } },
62 	{ .cmd = HNAE3_DBG_CMD_REG_RTC,
63 	  .dfx_msg = &hclge_dbg_rtc_reg[0],
64 	  .reg_msg = { .msg_num = ARRAY_SIZE(hclge_dbg_rtc_reg),
65 		       .offset = HCLGE_DBG_DFX_RTC_OFFSET,
66 		       .cmd = HCLGE_OPC_DFX_RTC_REG } },
67 	{ .cmd = HNAE3_DBG_CMD_REG_PPP,
68 	  .dfx_msg = &hclge_dbg_ppp_reg[0],
69 	  .reg_msg = { .msg_num = ARRAY_SIZE(hclge_dbg_ppp_reg),
70 		       .offset = HCLGE_DBG_DFX_PPP_OFFSET,
71 		       .cmd = HCLGE_OPC_DFX_PPP_REG } },
72 	{ .cmd = HNAE3_DBG_CMD_REG_RCB,
73 	  .dfx_msg = &hclge_dbg_rcb_reg[0],
74 	  .reg_msg = { .msg_num = ARRAY_SIZE(hclge_dbg_rcb_reg),
75 		       .offset = HCLGE_DBG_DFX_RCB_OFFSET,
76 		       .cmd = HCLGE_OPC_DFX_RCB_REG } },
77 	{ .cmd = HNAE3_DBG_CMD_REG_TQP,
78 	  .dfx_msg = &hclge_dbg_tqp_reg[0],
79 	  .reg_msg = { .msg_num = ARRAY_SIZE(hclge_dbg_tqp_reg),
80 		       .offset = HCLGE_DBG_DFX_TQP_OFFSET,
81 		       .cmd = HCLGE_OPC_DFX_TQP_REG } },
82 };
83 
84 /* make sure: len(name) + interval >= maxlen(item data) + 2,
85  * for example, name = "pkt_num"(len: 7), the prototype of item data is u32,
86  * and print as "%u"(maxlen: 10), so the interval should be at least 5.
87  */
88 static void hclge_dbg_fill_content(char *content, u16 len,
89 				   const struct hclge_dbg_item *items,
90 				   const char **result, u16 size)
91 {
92 #define HCLGE_DBG_LINE_END_LEN	2
93 	char *pos = content;
94 	u16 item_len;
95 	u16 i;
96 
97 	if (!len) {
98 		return;
99 	} else if (len <= HCLGE_DBG_LINE_END_LEN) {
100 		*pos++ = '\0';
101 		return;
102 	}
103 
104 	memset(content, ' ', len);
105 	len -= HCLGE_DBG_LINE_END_LEN;
106 
107 	for (i = 0; i < size; i++) {
108 		item_len = strlen(items[i].name) + items[i].interval;
109 		if (len < item_len)
110 			break;
111 
112 		if (result) {
113 			if (item_len < strlen(result[i]))
114 				break;
115 			memcpy(pos, result[i], strlen(result[i]));
116 		} else {
117 			memcpy(pos, items[i].name, strlen(items[i].name));
118 		}
119 		pos += item_len;
120 		len -= item_len;
121 	}
122 	*pos++ = '\n';
123 	*pos++ = '\0';
124 }
125 
126 static char *hclge_dbg_get_func_id_str(char *buf, u8 id)
127 {
128 	if (id)
129 		sprintf(buf, "vf%u", id - 1U);
130 	else
131 		sprintf(buf, "pf");
132 
133 	return buf;
134 }
135 
136 static int hclge_dbg_get_dfx_bd_num(struct hclge_dev *hdev, int offset,
137 				    u32 *bd_num)
138 {
139 	struct hclge_desc desc[HCLGE_GET_DFX_REG_TYPE_CNT];
140 	int entries_per_desc;
141 	int index;
142 	int ret;
143 
144 	ret = hclge_query_bd_num_cmd_send(hdev, desc);
145 	if (ret) {
146 		dev_err(&hdev->pdev->dev,
147 			"failed to get dfx bd_num, offset = %d, ret = %d\n",
148 			offset, ret);
149 		return ret;
150 	}
151 
152 	entries_per_desc = ARRAY_SIZE(desc[0].data);
153 	index = offset % entries_per_desc;
154 
155 	*bd_num = le32_to_cpu(desc[offset / entries_per_desc].data[index]);
156 	if (!(*bd_num)) {
157 		dev_err(&hdev->pdev->dev, "The value of dfx bd_num is 0!\n");
158 		return -EINVAL;
159 	}
160 
161 	return 0;
162 }
163 
164 static int hclge_dbg_cmd_send(struct hclge_dev *hdev,
165 			      struct hclge_desc *desc_src,
166 			      int index, int bd_num,
167 			      enum hclge_opcode_type cmd)
168 {
169 	struct hclge_desc *desc = desc_src;
170 	int ret, i;
171 
172 	hclge_cmd_setup_basic_desc(desc, cmd, true);
173 	desc->data[0] = cpu_to_le32(index);
174 
175 	for (i = 1; i < bd_num; i++) {
176 		desc->flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
177 		desc++;
178 		hclge_cmd_setup_basic_desc(desc, cmd, true);
179 	}
180 
181 	ret = hclge_cmd_send(&hdev->hw, desc_src, bd_num);
182 	if (ret)
183 		dev_err(&hdev->pdev->dev,
184 			"cmd(0x%x) send fail, ret = %d\n", cmd, ret);
185 	return ret;
186 }
187 
188 static int
189 hclge_dbg_dump_reg_tqp(struct hclge_dev *hdev,
190 		       const struct hclge_dbg_reg_type_info *reg_info,
191 		       char *buf, int len, int *pos)
192 {
193 	const struct hclge_dbg_dfx_message *dfx_message = reg_info->dfx_msg;
194 	const struct hclge_dbg_reg_common_msg *reg_msg = &reg_info->reg_msg;
195 	struct hclge_desc *desc_src;
196 	u32 index, entry, i, cnt;
197 	int bd_num, min_num, ret;
198 	struct hclge_desc *desc;
199 
200 	ret = hclge_dbg_get_dfx_bd_num(hdev, reg_msg->offset, &bd_num);
201 	if (ret)
202 		return ret;
203 
204 	desc_src = kcalloc(bd_num, sizeof(struct hclge_desc), GFP_KERNEL);
205 	if (!desc_src)
206 		return -ENOMEM;
207 
208 	min_num = min_t(int, bd_num * HCLGE_DESC_DATA_LEN, reg_msg->msg_num);
209 
210 	for (i = 0, cnt = 0; i < min_num; i++, dfx_message++)
211 		*pos += scnprintf(buf + *pos, len - *pos, "item%u = %s\n",
212 				  cnt++, dfx_message->message);
213 
214 	for (i = 0; i < cnt; i++)
215 		*pos += scnprintf(buf + *pos, len - *pos, "item%u\t", i);
216 
217 	*pos += scnprintf(buf + *pos, len - *pos, "\n");
218 
219 	for (index = 0; index < hdev->vport[0].alloc_tqps; index++) {
220 		dfx_message = reg_info->dfx_msg;
221 		desc = desc_src;
222 		ret = hclge_dbg_cmd_send(hdev, desc, index, bd_num,
223 					 reg_msg->cmd);
224 		if (ret)
225 			break;
226 
227 		for (i = 0; i < min_num; i++, dfx_message++) {
228 			entry = i % HCLGE_DESC_DATA_LEN;
229 			if (i > 0 && !entry)
230 				desc++;
231 
232 			*pos += scnprintf(buf + *pos, len - *pos, "%#x\t",
233 					  le32_to_cpu(desc->data[entry]));
234 		}
235 		*pos += scnprintf(buf + *pos, len - *pos, "\n");
236 	}
237 
238 	kfree(desc_src);
239 	return ret;
240 }
241 
242 static int
243 hclge_dbg_dump_reg_common(struct hclge_dev *hdev,
244 			  const struct hclge_dbg_reg_type_info *reg_info,
245 			  char *buf, int len, int *pos)
246 {
247 	const struct hclge_dbg_reg_common_msg *reg_msg = &reg_info->reg_msg;
248 	const struct hclge_dbg_dfx_message *dfx_message = reg_info->dfx_msg;
249 	struct hclge_desc *desc_src;
250 	int bd_num, min_num, ret;
251 	struct hclge_desc *desc;
252 	u32 entry, i;
253 
254 	ret = hclge_dbg_get_dfx_bd_num(hdev, reg_msg->offset, &bd_num);
255 	if (ret)
256 		return ret;
257 
258 	desc_src = kcalloc(bd_num, sizeof(struct hclge_desc), GFP_KERNEL);
259 	if (!desc_src)
260 		return -ENOMEM;
261 
262 	desc = desc_src;
263 
264 	ret = hclge_dbg_cmd_send(hdev, desc, 0, bd_num, reg_msg->cmd);
265 	if (ret) {
266 		kfree(desc);
267 		return ret;
268 	}
269 
270 	min_num = min_t(int, bd_num * HCLGE_DESC_DATA_LEN, reg_msg->msg_num);
271 
272 	for (i = 0; i < min_num; i++, dfx_message++) {
273 		entry = i % HCLGE_DESC_DATA_LEN;
274 		if (i > 0 && !entry)
275 			desc++;
276 		if (!dfx_message->flag)
277 			continue;
278 
279 		*pos += scnprintf(buf + *pos, len - *pos, "%s: %#x\n",
280 				  dfx_message->message,
281 				  le32_to_cpu(desc->data[entry]));
282 	}
283 
284 	kfree(desc_src);
285 	return 0;
286 }
287 
288 static const struct hclge_dbg_status_dfx_info hclge_dbg_mac_en_status[] = {
289 	{HCLGE_MAC_TX_EN_B,  "mac_trans_en"},
290 	{HCLGE_MAC_RX_EN_B,  "mac_rcv_en"},
291 	{HCLGE_MAC_PAD_TX_B, "pad_trans_en"},
292 	{HCLGE_MAC_PAD_RX_B, "pad_rcv_en"},
293 	{HCLGE_MAC_1588_TX_B, "1588_trans_en"},
294 	{HCLGE_MAC_1588_RX_B, "1588_rcv_en"},
295 	{HCLGE_MAC_APP_LP_B,  "mac_app_loop_en"},
296 	{HCLGE_MAC_LINE_LP_B, "mac_line_loop_en"},
297 	{HCLGE_MAC_FCS_TX_B,  "mac_fcs_tx_en"},
298 	{HCLGE_MAC_RX_OVERSIZE_TRUNCATE_B, "mac_rx_oversize_truncate_en"},
299 	{HCLGE_MAC_RX_FCS_STRIP_B, "mac_rx_fcs_strip_en"},
300 	{HCLGE_MAC_RX_FCS_B, "mac_rx_fcs_en"},
301 	{HCLGE_MAC_TX_UNDER_MIN_ERR_B, "mac_tx_under_min_err_en"},
302 	{HCLGE_MAC_TX_OVERSIZE_TRUNCATE_B, "mac_tx_oversize_truncate_en"}
303 };
304 
305 static int  hclge_dbg_dump_mac_enable_status(struct hclge_dev *hdev, char *buf,
306 					     int len, int *pos)
307 {
308 	struct hclge_config_mac_mode_cmd *req;
309 	struct hclge_desc desc;
310 	u32 loop_en, i, offset;
311 	int ret;
312 
313 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CONFIG_MAC_MODE, true);
314 
315 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
316 	if (ret) {
317 		dev_err(&hdev->pdev->dev,
318 			"failed to dump mac enable status, ret = %d\n", ret);
319 		return ret;
320 	}
321 
322 	req = (struct hclge_config_mac_mode_cmd *)desc.data;
323 	loop_en = le32_to_cpu(req->txrx_pad_fcs_loop_en);
324 
325 	for (i = 0; i < ARRAY_SIZE(hclge_dbg_mac_en_status); i++) {
326 		offset = hclge_dbg_mac_en_status[i].offset;
327 		*pos += scnprintf(buf + *pos, len - *pos, "%s: %#x\n",
328 				  hclge_dbg_mac_en_status[i].message,
329 				  hnae3_get_bit(loop_en, offset));
330 	}
331 
332 	return 0;
333 }
334 
335 static int hclge_dbg_dump_mac_frame_size(struct hclge_dev *hdev, char *buf,
336 					 int len, int *pos)
337 {
338 	struct hclge_config_max_frm_size_cmd *req;
339 	struct hclge_desc desc;
340 	int ret;
341 
342 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CONFIG_MAX_FRM_SIZE, true);
343 
344 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
345 	if (ret) {
346 		dev_err(&hdev->pdev->dev,
347 			"failed to dump mac frame size, ret = %d\n", ret);
348 		return ret;
349 	}
350 
351 	req = (struct hclge_config_max_frm_size_cmd *)desc.data;
352 
353 	*pos += scnprintf(buf + *pos, len - *pos, "max_frame_size: %u\n",
354 			  le16_to_cpu(req->max_frm_size));
355 	*pos += scnprintf(buf + *pos, len - *pos, "min_frame_size: %u\n",
356 			  req->min_frm_size);
357 
358 	return 0;
359 }
360 
361 static int hclge_dbg_dump_mac_speed_duplex(struct hclge_dev *hdev, char *buf,
362 					   int len, int *pos)
363 {
364 #define HCLGE_MAC_SPEED_SHIFT	0
365 #define HCLGE_MAC_SPEED_MASK	GENMASK(5, 0)
366 #define HCLGE_MAC_DUPLEX_SHIFT	7
367 
368 	struct hclge_config_mac_speed_dup_cmd *req;
369 	struct hclge_desc desc;
370 	int ret;
371 
372 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CONFIG_SPEED_DUP, true);
373 
374 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
375 	if (ret) {
376 		dev_err(&hdev->pdev->dev,
377 			"failed to dump mac speed duplex, ret = %d\n", ret);
378 		return ret;
379 	}
380 
381 	req = (struct hclge_config_mac_speed_dup_cmd *)desc.data;
382 
383 	*pos += scnprintf(buf + *pos, len - *pos, "speed: %#lx\n",
384 			  hnae3_get_field(req->speed_dup, HCLGE_MAC_SPEED_MASK,
385 					  HCLGE_MAC_SPEED_SHIFT));
386 	*pos += scnprintf(buf + *pos, len - *pos, "duplex: %#x\n",
387 			  hnae3_get_bit(req->speed_dup,
388 					HCLGE_MAC_DUPLEX_SHIFT));
389 	return 0;
390 }
391 
392 static int hclge_dbg_dump_mac(struct hclge_dev *hdev, char *buf, int len)
393 {
394 	int pos = 0;
395 	int ret;
396 
397 	ret = hclge_dbg_dump_mac_enable_status(hdev, buf, len, &pos);
398 	if (ret)
399 		return ret;
400 
401 	ret = hclge_dbg_dump_mac_frame_size(hdev, buf, len, &pos);
402 	if (ret)
403 		return ret;
404 
405 	return hclge_dbg_dump_mac_speed_duplex(hdev, buf, len, &pos);
406 }
407 
408 static int hclge_dbg_dump_dcb_qset(struct hclge_dev *hdev, char *buf, int len,
409 				   int *pos)
410 {
411 	struct hclge_dbg_bitmap_cmd req;
412 	struct hclge_desc desc;
413 	u16 qset_id, qset_num;
414 	int ret;
415 
416 	ret = hclge_tm_get_qset_num(hdev, &qset_num);
417 	if (ret)
418 		return ret;
419 
420 	*pos += scnprintf(buf + *pos, len - *pos,
421 			  "qset_id  roce_qset_mask  nic_qset_mask  qset_shaping_pass  qset_bp_status\n");
422 	for (qset_id = 0; qset_id < qset_num; qset_id++) {
423 		ret = hclge_dbg_cmd_send(hdev, &desc, qset_id, 1,
424 					 HCLGE_OPC_QSET_DFX_STS);
425 		if (ret)
426 			return ret;
427 
428 		req.bitmap = (u8)le32_to_cpu(desc.data[1]);
429 
430 		*pos += scnprintf(buf + *pos, len - *pos,
431 				  "%04u           %#x            %#x             %#x               %#x\n",
432 				  qset_id, req.bit0, req.bit1, req.bit2,
433 				  req.bit3);
434 	}
435 
436 	return 0;
437 }
438 
439 static int hclge_dbg_dump_dcb_pri(struct hclge_dev *hdev, char *buf, int len,
440 				  int *pos)
441 {
442 	struct hclge_dbg_bitmap_cmd req;
443 	struct hclge_desc desc;
444 	u8 pri_id, pri_num;
445 	int ret;
446 
447 	ret = hclge_tm_get_pri_num(hdev, &pri_num);
448 	if (ret)
449 		return ret;
450 
451 	*pos += scnprintf(buf + *pos, len - *pos,
452 			  "pri_id  pri_mask  pri_cshaping_pass  pri_pshaping_pass\n");
453 	for (pri_id = 0; pri_id < pri_num; pri_id++) {
454 		ret = hclge_dbg_cmd_send(hdev, &desc, pri_id, 1,
455 					 HCLGE_OPC_PRI_DFX_STS);
456 		if (ret)
457 			return ret;
458 
459 		req.bitmap = (u8)le32_to_cpu(desc.data[1]);
460 
461 		*pos += scnprintf(buf + *pos, len - *pos,
462 				  "%03u       %#x           %#x                %#x\n",
463 				  pri_id, req.bit0, req.bit1, req.bit2);
464 	}
465 
466 	return 0;
467 }
468 
469 static int hclge_dbg_dump_dcb_pg(struct hclge_dev *hdev, char *buf, int len,
470 				 int *pos)
471 {
472 	struct hclge_dbg_bitmap_cmd req;
473 	struct hclge_desc desc;
474 	u8 pg_id;
475 	int ret;
476 
477 	*pos += scnprintf(buf + *pos, len - *pos,
478 			  "pg_id  pg_mask  pg_cshaping_pass  pg_pshaping_pass\n");
479 	for (pg_id = 0; pg_id < hdev->tm_info.num_pg; pg_id++) {
480 		ret = hclge_dbg_cmd_send(hdev, &desc, pg_id, 1,
481 					 HCLGE_OPC_PG_DFX_STS);
482 		if (ret)
483 			return ret;
484 
485 		req.bitmap = (u8)le32_to_cpu(desc.data[1]);
486 
487 		*pos += scnprintf(buf + *pos, len - *pos,
488 				  "%03u      %#x           %#x               %#x\n",
489 				  pg_id, req.bit0, req.bit1, req.bit2);
490 	}
491 
492 	return 0;
493 }
494 
495 static int hclge_dbg_dump_dcb_queue(struct hclge_dev *hdev, char *buf, int len,
496 				    int *pos)
497 {
498 	struct hclge_desc desc;
499 	u16 nq_id;
500 	int ret;
501 
502 	*pos += scnprintf(buf + *pos, len - *pos,
503 			  "nq_id  sch_nic_queue_cnt  sch_roce_queue_cnt\n");
504 	for (nq_id = 0; nq_id < hdev->num_tqps; nq_id++) {
505 		ret = hclge_dbg_cmd_send(hdev, &desc, nq_id, 1,
506 					 HCLGE_OPC_SCH_NQ_CNT);
507 		if (ret)
508 			return ret;
509 
510 		*pos += scnprintf(buf + *pos, len - *pos, "%04u           %#x",
511 				  nq_id, le32_to_cpu(desc.data[1]));
512 
513 		ret = hclge_dbg_cmd_send(hdev, &desc, nq_id, 1,
514 					 HCLGE_OPC_SCH_RQ_CNT);
515 		if (ret)
516 			return ret;
517 
518 		*pos += scnprintf(buf + *pos, len - *pos,
519 				  "               %#x\n",
520 				  le32_to_cpu(desc.data[1]));
521 	}
522 
523 	return 0;
524 }
525 
526 static int hclge_dbg_dump_dcb_port(struct hclge_dev *hdev, char *buf, int len,
527 				   int *pos)
528 {
529 	struct hclge_dbg_bitmap_cmd req;
530 	struct hclge_desc desc;
531 	u8 port_id = 0;
532 	int ret;
533 
534 	ret = hclge_dbg_cmd_send(hdev, &desc, port_id, 1,
535 				 HCLGE_OPC_PORT_DFX_STS);
536 	if (ret)
537 		return ret;
538 
539 	req.bitmap = (u8)le32_to_cpu(desc.data[1]);
540 
541 	*pos += scnprintf(buf + *pos, len - *pos, "port_mask: %#x\n",
542 			 req.bit0);
543 	*pos += scnprintf(buf + *pos, len - *pos, "port_shaping_pass: %#x\n",
544 			 req.bit1);
545 
546 	return 0;
547 }
548 
549 static int hclge_dbg_dump_dcb_tm(struct hclge_dev *hdev, char *buf, int len,
550 				 int *pos)
551 {
552 	struct hclge_desc desc[2];
553 	u8 port_id = 0;
554 	int ret;
555 
556 	ret = hclge_dbg_cmd_send(hdev, desc, port_id, 1,
557 				 HCLGE_OPC_TM_INTERNAL_CNT);
558 	if (ret)
559 		return ret;
560 
561 	*pos += scnprintf(buf + *pos, len - *pos, "SCH_NIC_NUM: %#x\n",
562 			  le32_to_cpu(desc[0].data[1]));
563 	*pos += scnprintf(buf + *pos, len - *pos, "SCH_ROCE_NUM: %#x\n",
564 			  le32_to_cpu(desc[0].data[2]));
565 
566 	ret = hclge_dbg_cmd_send(hdev, desc, port_id, 2,
567 				 HCLGE_OPC_TM_INTERNAL_STS);
568 	if (ret)
569 		return ret;
570 
571 	*pos += scnprintf(buf + *pos, len - *pos, "pri_bp: %#x\n",
572 			  le32_to_cpu(desc[0].data[1]));
573 	*pos += scnprintf(buf + *pos, len - *pos, "fifo_dfx_info: %#x\n",
574 			  le32_to_cpu(desc[0].data[2]));
575 	*pos += scnprintf(buf + *pos, len - *pos,
576 			  "sch_roce_fifo_afull_gap: %#x\n",
577 			  le32_to_cpu(desc[0].data[3]));
578 	*pos += scnprintf(buf + *pos, len - *pos,
579 			  "tx_private_waterline: %#x\n",
580 			  le32_to_cpu(desc[0].data[4]));
581 	*pos += scnprintf(buf + *pos, len - *pos, "tm_bypass_en: %#x\n",
582 			  le32_to_cpu(desc[0].data[5]));
583 	*pos += scnprintf(buf + *pos, len - *pos, "SSU_TM_BYPASS_EN: %#x\n",
584 			  le32_to_cpu(desc[1].data[0]));
585 	*pos += scnprintf(buf + *pos, len - *pos, "SSU_RESERVE_CFG: %#x\n",
586 			  le32_to_cpu(desc[1].data[1]));
587 
588 	if (hdev->hw.mac.media_type == HNAE3_MEDIA_TYPE_COPPER)
589 		return 0;
590 
591 	ret = hclge_dbg_cmd_send(hdev, desc, port_id, 1,
592 				 HCLGE_OPC_TM_INTERNAL_STS_1);
593 	if (ret)
594 		return ret;
595 
596 	*pos += scnprintf(buf + *pos, len - *pos, "TC_MAP_SEL: %#x\n",
597 			  le32_to_cpu(desc[0].data[1]));
598 	*pos += scnprintf(buf + *pos, len - *pos, "IGU_PFC_PRI_EN: %#x\n",
599 			  le32_to_cpu(desc[0].data[2]));
600 	*pos += scnprintf(buf + *pos, len - *pos, "MAC_PFC_PRI_EN: %#x\n",
601 			  le32_to_cpu(desc[0].data[3]));
602 	*pos += scnprintf(buf + *pos, len - *pos, "IGU_PRI_MAP_TC_CFG: %#x\n",
603 			  le32_to_cpu(desc[0].data[4]));
604 	*pos += scnprintf(buf + *pos, len - *pos,
605 			  "IGU_TX_PRI_MAP_TC_CFG: %#x\n",
606 			  le32_to_cpu(desc[0].data[5]));
607 
608 	return 0;
609 }
610 
611 static int hclge_dbg_dump_dcb(struct hclge_dev *hdev, char *buf, int len)
612 {
613 	int pos = 0;
614 	int ret;
615 
616 	ret = hclge_dbg_dump_dcb_qset(hdev, buf, len, &pos);
617 	if (ret)
618 		return ret;
619 
620 	ret = hclge_dbg_dump_dcb_pri(hdev, buf, len, &pos);
621 	if (ret)
622 		return ret;
623 
624 	ret = hclge_dbg_dump_dcb_pg(hdev, buf, len, &pos);
625 	if (ret)
626 		return ret;
627 
628 	ret = hclge_dbg_dump_dcb_queue(hdev, buf, len, &pos);
629 	if (ret)
630 		return ret;
631 
632 	ret = hclge_dbg_dump_dcb_port(hdev, buf, len, &pos);
633 	if (ret)
634 		return ret;
635 
636 	return hclge_dbg_dump_dcb_tm(hdev, buf, len, &pos);
637 }
638 
639 static int hclge_dbg_dump_reg_cmd(struct hclge_dev *hdev,
640 				  enum hnae3_dbg_cmd cmd, char *buf, int len)
641 {
642 	const struct hclge_dbg_reg_type_info *reg_info;
643 	int pos = 0, ret = 0;
644 	int i;
645 
646 	for (i = 0; i < ARRAY_SIZE(hclge_dbg_reg_info); i++) {
647 		reg_info = &hclge_dbg_reg_info[i];
648 		if (cmd == reg_info->cmd) {
649 			if (cmd == HNAE3_DBG_CMD_REG_TQP)
650 				return hclge_dbg_dump_reg_tqp(hdev, reg_info,
651 							      buf, len, &pos);
652 
653 			ret = hclge_dbg_dump_reg_common(hdev, reg_info, buf,
654 							len, &pos);
655 			if (ret)
656 				break;
657 		}
658 	}
659 
660 	return ret;
661 }
662 
663 static int hclge_dbg_dump_tc(struct hclge_dev *hdev, char *buf, int len)
664 {
665 	struct hclge_ets_tc_weight_cmd *ets_weight;
666 	struct hclge_desc desc;
667 	char *sch_mode_str;
668 	int pos = 0;
669 	int ret;
670 	u8 i;
671 
672 	if (!hnae3_dev_dcb_supported(hdev)) {
673 		dev_err(&hdev->pdev->dev,
674 			"Only DCB-supported dev supports tc\n");
675 		return -EOPNOTSUPP;
676 	}
677 
678 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_ETS_TC_WEIGHT, true);
679 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
680 	if (ret) {
681 		dev_err(&hdev->pdev->dev, "failed to get tc weight, ret = %d\n",
682 			ret);
683 		return ret;
684 	}
685 
686 	ets_weight = (struct hclge_ets_tc_weight_cmd *)desc.data;
687 
688 	pos += scnprintf(buf + pos, len - pos, "enabled tc number: %u\n",
689 			 hdev->tm_info.num_tc);
690 	pos += scnprintf(buf + pos, len - pos, "weight_offset: %u\n",
691 			 ets_weight->weight_offset);
692 
693 	pos += scnprintf(buf + pos, len - pos, "TC    MODE  WEIGHT\n");
694 	for (i = 0; i < HNAE3_MAX_TC; i++) {
695 		sch_mode_str = ets_weight->tc_weight[i] ? "dwrr" : "sp";
696 		pos += scnprintf(buf + pos, len - pos, "%u     %4s    %3u\n",
697 				 i, sch_mode_str, ets_weight->tc_weight[i]);
698 	}
699 
700 	return 0;
701 }
702 
703 static const struct hclge_dbg_item tm_pg_items[] = {
704 	{ "ID", 2 },
705 	{ "PRI_MAP", 2 },
706 	{ "MODE", 2 },
707 	{ "DWRR", 2 },
708 	{ "C_IR_B", 2 },
709 	{ "C_IR_U", 2 },
710 	{ "C_IR_S", 2 },
711 	{ "C_BS_B", 2 },
712 	{ "C_BS_S", 2 },
713 	{ "C_FLAG", 2 },
714 	{ "C_RATE(Mbps)", 2 },
715 	{ "P_IR_B", 2 },
716 	{ "P_IR_U", 2 },
717 	{ "P_IR_S", 2 },
718 	{ "P_BS_B", 2 },
719 	{ "P_BS_S", 2 },
720 	{ "P_FLAG", 2 },
721 	{ "P_RATE(Mbps)", 0 }
722 };
723 
724 static void hclge_dbg_fill_shaper_content(struct hclge_tm_shaper_para *para,
725 					  char **result, u8 *index)
726 {
727 	sprintf(result[(*index)++], "%3u", para->ir_b);
728 	sprintf(result[(*index)++], "%3u", para->ir_u);
729 	sprintf(result[(*index)++], "%3u", para->ir_s);
730 	sprintf(result[(*index)++], "%3u", para->bs_b);
731 	sprintf(result[(*index)++], "%3u", para->bs_s);
732 	sprintf(result[(*index)++], "%3u", para->flag);
733 	sprintf(result[(*index)++], "%6u", para->rate);
734 }
735 
736 static int __hclge_dbg_dump_tm_pg(struct hclge_dev *hdev, char *data_str,
737 				  char *buf, int len)
738 {
739 	struct hclge_tm_shaper_para c_shaper_para, p_shaper_para;
740 	char *result[ARRAY_SIZE(tm_pg_items)], *sch_mode_str;
741 	u8 pg_id, sch_mode, weight, pri_bit_map, i, j;
742 	char content[HCLGE_DBG_TM_INFO_LEN];
743 	int pos = 0;
744 	int ret;
745 
746 	for (i = 0; i < ARRAY_SIZE(tm_pg_items); i++) {
747 		result[i] = data_str;
748 		data_str += HCLGE_DBG_DATA_STR_LEN;
749 	}
750 
751 	hclge_dbg_fill_content(content, sizeof(content), tm_pg_items,
752 			       NULL, ARRAY_SIZE(tm_pg_items));
753 	pos += scnprintf(buf + pos, len - pos, "%s", content);
754 
755 	for (pg_id = 0; pg_id < hdev->tm_info.num_pg; pg_id++) {
756 		ret = hclge_tm_get_pg_to_pri_map(hdev, pg_id, &pri_bit_map);
757 		if (ret)
758 			return ret;
759 
760 		ret = hclge_tm_get_pg_sch_mode(hdev, pg_id, &sch_mode);
761 		if (ret)
762 			return ret;
763 
764 		ret = hclge_tm_get_pg_weight(hdev, pg_id, &weight);
765 		if (ret)
766 			return ret;
767 
768 		ret = hclge_tm_get_pg_shaper(hdev, pg_id,
769 					     HCLGE_OPC_TM_PG_C_SHAPPING,
770 					     &c_shaper_para);
771 		if (ret)
772 			return ret;
773 
774 		ret = hclge_tm_get_pg_shaper(hdev, pg_id,
775 					     HCLGE_OPC_TM_PG_P_SHAPPING,
776 					     &p_shaper_para);
777 		if (ret)
778 			return ret;
779 
780 		sch_mode_str = sch_mode & HCLGE_TM_TX_SCHD_DWRR_MSK ? "dwrr" :
781 				       "sp";
782 
783 		j = 0;
784 		sprintf(result[j++], "%02u", pg_id);
785 		sprintf(result[j++], "0x%02x", pri_bit_map);
786 		sprintf(result[j++], "%4s", sch_mode_str);
787 		sprintf(result[j++], "%3u", weight);
788 		hclge_dbg_fill_shaper_content(&c_shaper_para, result, &j);
789 		hclge_dbg_fill_shaper_content(&p_shaper_para, result, &j);
790 
791 		hclge_dbg_fill_content(content, sizeof(content), tm_pg_items,
792 				       (const char **)result,
793 				       ARRAY_SIZE(tm_pg_items));
794 		pos += scnprintf(buf + pos, len - pos, "%s", content);
795 	}
796 
797 	return 0;
798 }
799 
800 static int hclge_dbg_dump_tm_pg(struct hclge_dev *hdev, char *buf, int len)
801 {
802 	char *data_str;
803 	int ret;
804 
805 	data_str = kcalloc(ARRAY_SIZE(tm_pg_items),
806 			   HCLGE_DBG_DATA_STR_LEN, GFP_KERNEL);
807 	if (!data_str)
808 		return -ENOMEM;
809 
810 	ret = __hclge_dbg_dump_tm_pg(hdev, data_str, buf, len);
811 
812 	kfree(data_str);
813 
814 	return ret;
815 }
816 
817 static int hclge_dbg_dump_tm_port(struct hclge_dev *hdev,  char *buf, int len)
818 {
819 	struct hclge_tm_shaper_para shaper_para;
820 	int pos = 0;
821 	int ret;
822 
823 	ret = hclge_tm_get_port_shaper(hdev, &shaper_para);
824 	if (ret)
825 		return ret;
826 
827 	pos += scnprintf(buf + pos, len - pos,
828 			 "IR_B  IR_U  IR_S  BS_B  BS_S  FLAG  RATE(Mbps)\n");
829 	pos += scnprintf(buf + pos, len - pos,
830 			 "%3u   %3u   %3u   %3u   %3u     %1u   %6u\n",
831 			 shaper_para.ir_b, shaper_para.ir_u, shaper_para.ir_s,
832 			 shaper_para.bs_b, shaper_para.bs_s, shaper_para.flag,
833 			 shaper_para.rate);
834 
835 	return 0;
836 }
837 
838 static int hclge_dbg_dump_tm_bp_qset_map(struct hclge_dev *hdev, u8 tc_id,
839 					 char *buf, int len)
840 {
841 	u32 qset_mapping[HCLGE_BP_EXT_GRP_NUM];
842 	struct hclge_bp_to_qs_map_cmd *map;
843 	struct hclge_desc desc;
844 	int pos = 0;
845 	u8 group_id;
846 	u8 grp_num;
847 	u16 i = 0;
848 	int ret;
849 
850 	grp_num = hdev->num_tqps <= HCLGE_TQP_MAX_SIZE_DEV_V2 ?
851 		  HCLGE_BP_GRP_NUM : HCLGE_BP_EXT_GRP_NUM;
852 	map = (struct hclge_bp_to_qs_map_cmd *)desc.data;
853 	for (group_id = 0; group_id < grp_num; group_id++) {
854 		hclge_cmd_setup_basic_desc(&desc,
855 					   HCLGE_OPC_TM_BP_TO_QSET_MAPPING,
856 					   true);
857 		map->tc_id = tc_id;
858 		map->qs_group_id = group_id;
859 		ret = hclge_cmd_send(&hdev->hw, &desc, 1);
860 		if (ret) {
861 			dev_err(&hdev->pdev->dev,
862 				"failed to get bp to qset map, ret = %d\n",
863 				ret);
864 			return ret;
865 		}
866 
867 		qset_mapping[group_id] = le32_to_cpu(map->qs_bit_map);
868 	}
869 
870 	pos += scnprintf(buf + pos, len - pos, "INDEX | TM BP QSET MAPPING:\n");
871 	for (group_id = 0; group_id < grp_num / 8; group_id++) {
872 		pos += scnprintf(buf + pos, len - pos,
873 			 "%04d  | %08x:%08x:%08x:%08x:%08x:%08x:%08x:%08x\n",
874 			 group_id * 256, qset_mapping[i + 7],
875 			 qset_mapping[i + 6], qset_mapping[i + 5],
876 			 qset_mapping[i + 4], qset_mapping[i + 3],
877 			 qset_mapping[i + 2], qset_mapping[i + 1],
878 			 qset_mapping[i]);
879 		i += 8;
880 	}
881 
882 	return pos;
883 }
884 
885 static int hclge_dbg_dump_tm_map(struct hclge_dev *hdev, char *buf, int len)
886 {
887 	u16 queue_id;
888 	u16 qset_id;
889 	u8 link_vld;
890 	int pos = 0;
891 	u8 pri_id;
892 	u8 tc_id;
893 	int ret;
894 
895 	for (queue_id = 0; queue_id < hdev->num_tqps; queue_id++) {
896 		ret = hclge_tm_get_q_to_qs_map(hdev, queue_id, &qset_id);
897 		if (ret)
898 			return ret;
899 
900 		ret = hclge_tm_get_qset_map_pri(hdev, qset_id, &pri_id,
901 						&link_vld);
902 		if (ret)
903 			return ret;
904 
905 		ret = hclge_tm_get_q_to_tc(hdev, queue_id, &tc_id);
906 		if (ret)
907 			return ret;
908 
909 		pos += scnprintf(buf + pos, len - pos,
910 				 "QUEUE_ID   QSET_ID   PRI_ID   TC_ID\n");
911 		pos += scnprintf(buf + pos, len - pos,
912 				 "%04u        %4u       %3u      %2u\n",
913 				 queue_id, qset_id, pri_id, tc_id);
914 
915 		if (!hnae3_dev_dcb_supported(hdev))
916 			continue;
917 
918 		ret = hclge_dbg_dump_tm_bp_qset_map(hdev, tc_id, buf + pos,
919 						    len - pos);
920 		if (ret < 0)
921 			return ret;
922 		pos += ret;
923 
924 		pos += scnprintf(buf + pos, len - pos, "\n");
925 	}
926 
927 	return 0;
928 }
929 
930 static int hclge_dbg_dump_tm_nodes(struct hclge_dev *hdev, char *buf, int len)
931 {
932 	struct hclge_tm_nodes_cmd *nodes;
933 	struct hclge_desc desc;
934 	int pos = 0;
935 	int ret;
936 
937 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TM_NODES, true);
938 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
939 	if (ret) {
940 		dev_err(&hdev->pdev->dev,
941 			"failed to dump tm nodes, ret = %d\n", ret);
942 		return ret;
943 	}
944 
945 	nodes = (struct hclge_tm_nodes_cmd *)desc.data;
946 
947 	pos += scnprintf(buf + pos, len - pos, "       BASE_ID  MAX_NUM\n");
948 	pos += scnprintf(buf + pos, len - pos, "PG      %4u      %4u\n",
949 			 nodes->pg_base_id, nodes->pg_num);
950 	pos += scnprintf(buf + pos, len - pos, "PRI     %4u      %4u\n",
951 			 nodes->pri_base_id, nodes->pri_num);
952 	pos += scnprintf(buf + pos, len - pos, "QSET    %4u      %4u\n",
953 			 le16_to_cpu(nodes->qset_base_id),
954 			 le16_to_cpu(nodes->qset_num));
955 	pos += scnprintf(buf + pos, len - pos, "QUEUE   %4u      %4u\n",
956 			 le16_to_cpu(nodes->queue_base_id),
957 			 le16_to_cpu(nodes->queue_num));
958 
959 	return 0;
960 }
961 
962 static const struct hclge_dbg_item tm_pri_items[] = {
963 	{ "ID", 4 },
964 	{ "MODE", 2 },
965 	{ "DWRR", 2 },
966 	{ "C_IR_B", 2 },
967 	{ "C_IR_U", 2 },
968 	{ "C_IR_S", 2 },
969 	{ "C_BS_B", 2 },
970 	{ "C_BS_S", 2 },
971 	{ "C_FLAG", 2 },
972 	{ "C_RATE(Mbps)", 2 },
973 	{ "P_IR_B", 2 },
974 	{ "P_IR_U", 2 },
975 	{ "P_IR_S", 2 },
976 	{ "P_BS_B", 2 },
977 	{ "P_BS_S", 2 },
978 	{ "P_FLAG", 2 },
979 	{ "P_RATE(Mbps)", 0 }
980 };
981 
982 static int hclge_dbg_dump_tm_pri(struct hclge_dev *hdev, char *buf, int len)
983 {
984 	char data_str[ARRAY_SIZE(tm_pri_items)][HCLGE_DBG_DATA_STR_LEN];
985 	struct hclge_tm_shaper_para c_shaper_para, p_shaper_para;
986 	char *result[ARRAY_SIZE(tm_pri_items)], *sch_mode_str;
987 	char content[HCLGE_DBG_TM_INFO_LEN];
988 	u8 pri_num, sch_mode, weight, i, j;
989 	int pos, ret;
990 
991 	ret = hclge_tm_get_pri_num(hdev, &pri_num);
992 	if (ret)
993 		return ret;
994 
995 	for (i = 0; i < ARRAY_SIZE(tm_pri_items); i++)
996 		result[i] = &data_str[i][0];
997 
998 	hclge_dbg_fill_content(content, sizeof(content), tm_pri_items,
999 			       NULL, ARRAY_SIZE(tm_pri_items));
1000 	pos = scnprintf(buf, len, "%s", content);
1001 
1002 	for (i = 0; i < pri_num; i++) {
1003 		ret = hclge_tm_get_pri_sch_mode(hdev, i, &sch_mode);
1004 		if (ret)
1005 			return ret;
1006 
1007 		ret = hclge_tm_get_pri_weight(hdev, i, &weight);
1008 		if (ret)
1009 			return ret;
1010 
1011 		ret = hclge_tm_get_pri_shaper(hdev, i,
1012 					      HCLGE_OPC_TM_PRI_C_SHAPPING,
1013 					      &c_shaper_para);
1014 		if (ret)
1015 			return ret;
1016 
1017 		ret = hclge_tm_get_pri_shaper(hdev, i,
1018 					      HCLGE_OPC_TM_PRI_P_SHAPPING,
1019 					      &p_shaper_para);
1020 		if (ret)
1021 			return ret;
1022 
1023 		sch_mode_str = sch_mode & HCLGE_TM_TX_SCHD_DWRR_MSK ? "dwrr" :
1024 			       "sp";
1025 
1026 		j = 0;
1027 		sprintf(result[j++], "%04u", i);
1028 		sprintf(result[j++], "%4s", sch_mode_str);
1029 		sprintf(result[j++], "%3u", weight);
1030 		hclge_dbg_fill_shaper_content(&c_shaper_para, result, &j);
1031 		hclge_dbg_fill_shaper_content(&p_shaper_para, result, &j);
1032 		hclge_dbg_fill_content(content, sizeof(content), tm_pri_items,
1033 				       (const char **)result,
1034 				       ARRAY_SIZE(tm_pri_items));
1035 		pos += scnprintf(buf + pos, len - pos, "%s", content);
1036 	}
1037 
1038 	return 0;
1039 }
1040 
1041 static const struct hclge_dbg_item tm_qset_items[] = {
1042 	{ "ID", 4 },
1043 	{ "MAP_PRI", 2 },
1044 	{ "LINK_VLD", 2 },
1045 	{ "MODE", 2 },
1046 	{ "DWRR", 2 },
1047 	{ "IR_B", 2 },
1048 	{ "IR_U", 2 },
1049 	{ "IR_S", 2 },
1050 	{ "BS_B", 2 },
1051 	{ "BS_S", 2 },
1052 	{ "FLAG", 2 },
1053 	{ "RATE(Mbps)", 0 }
1054 };
1055 
1056 static int hclge_dbg_dump_tm_qset(struct hclge_dev *hdev, char *buf, int len)
1057 {
1058 	char data_str[ARRAY_SIZE(tm_qset_items)][HCLGE_DBG_DATA_STR_LEN];
1059 	char *result[ARRAY_SIZE(tm_qset_items)], *sch_mode_str;
1060 	u8 priority, link_vld, sch_mode, weight;
1061 	struct hclge_tm_shaper_para shaper_para;
1062 	char content[HCLGE_DBG_TM_INFO_LEN];
1063 	u16 qset_num, i;
1064 	int ret, pos;
1065 	u8 j;
1066 
1067 	ret = hclge_tm_get_qset_num(hdev, &qset_num);
1068 	if (ret)
1069 		return ret;
1070 
1071 	for (i = 0; i < ARRAY_SIZE(tm_qset_items); i++)
1072 		result[i] = &data_str[i][0];
1073 
1074 	hclge_dbg_fill_content(content, sizeof(content), tm_qset_items,
1075 			       NULL, ARRAY_SIZE(tm_qset_items));
1076 	pos = scnprintf(buf, len, "%s", content);
1077 
1078 	for (i = 0; i < qset_num; i++) {
1079 		ret = hclge_tm_get_qset_map_pri(hdev, i, &priority, &link_vld);
1080 		if (ret)
1081 			return ret;
1082 
1083 		ret = hclge_tm_get_qset_sch_mode(hdev, i, &sch_mode);
1084 		if (ret)
1085 			return ret;
1086 
1087 		ret = hclge_tm_get_qset_weight(hdev, i, &weight);
1088 		if (ret)
1089 			return ret;
1090 
1091 		ret = hclge_tm_get_qset_shaper(hdev, i, &shaper_para);
1092 		if (ret)
1093 			return ret;
1094 
1095 		sch_mode_str = sch_mode & HCLGE_TM_TX_SCHD_DWRR_MSK ? "dwrr" :
1096 			       "sp";
1097 
1098 		j = 0;
1099 		sprintf(result[j++], "%04u", i);
1100 		sprintf(result[j++], "%4u", priority);
1101 		sprintf(result[j++], "%4u", link_vld);
1102 		sprintf(result[j++], "%4s", sch_mode_str);
1103 		sprintf(result[j++], "%3u", weight);
1104 		hclge_dbg_fill_shaper_content(&shaper_para, result, &j);
1105 
1106 		hclge_dbg_fill_content(content, sizeof(content), tm_qset_items,
1107 				       (const char **)result,
1108 				       ARRAY_SIZE(tm_qset_items));
1109 		pos += scnprintf(buf + pos, len - pos, "%s", content);
1110 	}
1111 
1112 	return 0;
1113 }
1114 
1115 static int hclge_dbg_dump_qos_pause_cfg(struct hclge_dev *hdev, char *buf,
1116 					int len)
1117 {
1118 	struct hclge_cfg_pause_param_cmd *pause_param;
1119 	struct hclge_desc desc;
1120 	int pos = 0;
1121 	int ret;
1122 
1123 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CFG_MAC_PARA, true);
1124 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
1125 	if (ret) {
1126 		dev_err(&hdev->pdev->dev,
1127 			"failed to dump qos pause, ret = %d\n", ret);
1128 		return ret;
1129 	}
1130 
1131 	pause_param = (struct hclge_cfg_pause_param_cmd *)desc.data;
1132 
1133 	pos += scnprintf(buf + pos, len - pos, "pause_trans_gap: 0x%x\n",
1134 			 pause_param->pause_trans_gap);
1135 	pos += scnprintf(buf + pos, len - pos, "pause_trans_time: 0x%x\n",
1136 			 le16_to_cpu(pause_param->pause_trans_time));
1137 	return 0;
1138 }
1139 
1140 #define HCLGE_DBG_TC_MASK		0x0F
1141 
1142 static int hclge_dbg_dump_qos_pri_map(struct hclge_dev *hdev, char *buf,
1143 				      int len)
1144 {
1145 #define HCLGE_DBG_TC_BIT_WIDTH		4
1146 
1147 	struct hclge_qos_pri_map_cmd *pri_map;
1148 	struct hclge_desc desc;
1149 	int pos = 0;
1150 	u8 *pri_tc;
1151 	u8 tc, i;
1152 	int ret;
1153 
1154 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_PRI_TO_TC_MAPPING, true);
1155 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
1156 	if (ret) {
1157 		dev_err(&hdev->pdev->dev,
1158 			"failed to dump qos pri map, ret = %d\n", ret);
1159 		return ret;
1160 	}
1161 
1162 	pri_map = (struct hclge_qos_pri_map_cmd *)desc.data;
1163 
1164 	pos += scnprintf(buf + pos, len - pos, "vlan_to_pri: 0x%x\n",
1165 			 pri_map->vlan_pri);
1166 	pos += scnprintf(buf + pos, len - pos, "PRI  TC\n");
1167 
1168 	pri_tc = (u8 *)pri_map;
1169 	for (i = 0; i < HNAE3_MAX_TC; i++) {
1170 		tc = pri_tc[i >> 1] >> ((i & 1) * HCLGE_DBG_TC_BIT_WIDTH);
1171 		tc &= HCLGE_DBG_TC_MASK;
1172 		pos += scnprintf(buf + pos, len - pos, "%u     %u\n", i, tc);
1173 	}
1174 
1175 	return 0;
1176 }
1177 
1178 static int hclge_dbg_dump_qos_dscp_map(struct hclge_dev *hdev, char *buf,
1179 				       int len)
1180 {
1181 	struct hnae3_knic_private_info *kinfo = &hdev->vport[0].nic.kinfo;
1182 	struct hclge_desc desc[HCLGE_DSCP_MAP_TC_BD_NUM];
1183 	u8 *req0 = (u8 *)desc[0].data;
1184 	u8 *req1 = (u8 *)desc[1].data;
1185 	u8 dscp_tc[HNAE3_MAX_DSCP];
1186 	int pos, ret;
1187 	u8 i, j;
1188 
1189 	pos = scnprintf(buf, len, "tc map mode: %s\n",
1190 			tc_map_mode_str[kinfo->tc_map_mode]);
1191 
1192 	if (kinfo->tc_map_mode != HNAE3_TC_MAP_MODE_DSCP)
1193 		return 0;
1194 
1195 	hclge_cmd_setup_basic_desc(&desc[0], HCLGE_OPC_QOS_MAP, true);
1196 	desc[0].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
1197 	hclge_cmd_setup_basic_desc(&desc[1], HCLGE_OPC_QOS_MAP, true);
1198 	ret = hclge_cmd_send(&hdev->hw, desc, HCLGE_DSCP_MAP_TC_BD_NUM);
1199 	if (ret) {
1200 		dev_err(&hdev->pdev->dev,
1201 			"failed to dump qos dscp map, ret = %d\n", ret);
1202 		return ret;
1203 	}
1204 
1205 	pos += scnprintf(buf + pos, len - pos, "\nDSCP  PRIO  TC\n");
1206 
1207 	/* The low 32 dscp setting use bd0, high 32 dscp setting use bd1 */
1208 	for (i = 0; i < HNAE3_MAX_DSCP / HCLGE_DSCP_MAP_TC_BD_NUM; i++) {
1209 		j = i + HNAE3_MAX_DSCP / HCLGE_DSCP_MAP_TC_BD_NUM;
1210 		/* Each dscp setting has 4 bits, so each byte saves two dscp
1211 		 * setting
1212 		 */
1213 		dscp_tc[i] = req0[i >> 1] >> HCLGE_DSCP_TC_SHIFT(i);
1214 		dscp_tc[j] = req1[i >> 1] >> HCLGE_DSCP_TC_SHIFT(i);
1215 		dscp_tc[i] &= HCLGE_DBG_TC_MASK;
1216 		dscp_tc[j] &= HCLGE_DBG_TC_MASK;
1217 	}
1218 
1219 	for (i = 0; i < HNAE3_MAX_DSCP; i++) {
1220 		if (kinfo->dscp_prio[i] == HNAE3_PRIO_ID_INVALID)
1221 			continue;
1222 
1223 		pos += scnprintf(buf + pos, len - pos, " %2u    %u    %u\n",
1224 				 i, kinfo->dscp_prio[i], dscp_tc[i]);
1225 	}
1226 
1227 	return 0;
1228 }
1229 
1230 static int hclge_dbg_dump_tx_buf_cfg(struct hclge_dev *hdev, char *buf, int len)
1231 {
1232 	struct hclge_tx_buff_alloc_cmd *tx_buf_cmd;
1233 	struct hclge_desc desc;
1234 	int pos = 0;
1235 	int i, ret;
1236 
1237 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TX_BUFF_ALLOC, true);
1238 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
1239 	if (ret) {
1240 		dev_err(&hdev->pdev->dev,
1241 			"failed to dump tx buf, ret = %d\n", ret);
1242 		return ret;
1243 	}
1244 
1245 	tx_buf_cmd = (struct hclge_tx_buff_alloc_cmd *)desc.data;
1246 	for (i = 0; i < HCLGE_MAX_TC_NUM; i++)
1247 		pos += scnprintf(buf + pos, len - pos,
1248 				 "tx_packet_buf_tc_%d: 0x%x\n", i,
1249 				 le16_to_cpu(tx_buf_cmd->tx_pkt_buff[i]));
1250 
1251 	return pos;
1252 }
1253 
1254 static int hclge_dbg_dump_rx_priv_buf_cfg(struct hclge_dev *hdev, char *buf,
1255 					  int len)
1256 {
1257 	struct hclge_rx_priv_buff_cmd *rx_buf_cmd;
1258 	struct hclge_desc desc;
1259 	int pos = 0;
1260 	int i, ret;
1261 
1262 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_RX_PRIV_BUFF_ALLOC, true);
1263 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
1264 	if (ret) {
1265 		dev_err(&hdev->pdev->dev,
1266 			"failed to dump rx priv buf, ret = %d\n", ret);
1267 		return ret;
1268 	}
1269 
1270 	pos += scnprintf(buf + pos, len - pos, "\n");
1271 
1272 	rx_buf_cmd = (struct hclge_rx_priv_buff_cmd *)desc.data;
1273 	for (i = 0; i < HCLGE_MAX_TC_NUM; i++)
1274 		pos += scnprintf(buf + pos, len - pos,
1275 				 "rx_packet_buf_tc_%d: 0x%x\n", i,
1276 				 le16_to_cpu(rx_buf_cmd->buf_num[i]));
1277 
1278 	pos += scnprintf(buf + pos, len - pos, "rx_share_buf: 0x%x\n",
1279 			 le16_to_cpu(rx_buf_cmd->shared_buf));
1280 
1281 	return pos;
1282 }
1283 
1284 static int hclge_dbg_dump_rx_common_wl_cfg(struct hclge_dev *hdev, char *buf,
1285 					   int len)
1286 {
1287 	struct hclge_rx_com_wl *rx_com_wl;
1288 	struct hclge_desc desc;
1289 	int pos = 0;
1290 	int ret;
1291 
1292 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_RX_COM_WL_ALLOC, true);
1293 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
1294 	if (ret) {
1295 		dev_err(&hdev->pdev->dev,
1296 			"failed to dump rx common wl, ret = %d\n", ret);
1297 		return ret;
1298 	}
1299 
1300 	rx_com_wl = (struct hclge_rx_com_wl *)desc.data;
1301 	pos += scnprintf(buf + pos, len - pos, "\n");
1302 	pos += scnprintf(buf + pos, len - pos,
1303 			 "rx_com_wl: high: 0x%x, low: 0x%x\n",
1304 			 le16_to_cpu(rx_com_wl->com_wl.high),
1305 			 le16_to_cpu(rx_com_wl->com_wl.low));
1306 
1307 	return pos;
1308 }
1309 
1310 static int hclge_dbg_dump_rx_global_pkt_cnt(struct hclge_dev *hdev, char *buf,
1311 					    int len)
1312 {
1313 	struct hclge_rx_com_wl *rx_packet_cnt;
1314 	struct hclge_desc desc;
1315 	int pos = 0;
1316 	int ret;
1317 
1318 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_RX_GBL_PKT_CNT, true);
1319 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
1320 	if (ret) {
1321 		dev_err(&hdev->pdev->dev,
1322 			"failed to dump rx global pkt cnt, ret = %d\n", ret);
1323 		return ret;
1324 	}
1325 
1326 	rx_packet_cnt = (struct hclge_rx_com_wl *)desc.data;
1327 	pos += scnprintf(buf + pos, len - pos,
1328 			 "rx_global_packet_cnt: high: 0x%x, low: 0x%x\n",
1329 			 le16_to_cpu(rx_packet_cnt->com_wl.high),
1330 			 le16_to_cpu(rx_packet_cnt->com_wl.low));
1331 
1332 	return pos;
1333 }
1334 
1335 static int hclge_dbg_dump_rx_priv_wl_buf_cfg(struct hclge_dev *hdev, char *buf,
1336 					     int len)
1337 {
1338 	struct hclge_rx_priv_wl_buf *rx_priv_wl;
1339 	struct hclge_desc desc[2];
1340 	int pos = 0;
1341 	int i, ret;
1342 
1343 	hclge_cmd_setup_basic_desc(&desc[0], HCLGE_OPC_RX_PRIV_WL_ALLOC, true);
1344 	desc[0].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
1345 	hclge_cmd_setup_basic_desc(&desc[1], HCLGE_OPC_RX_PRIV_WL_ALLOC, true);
1346 	ret = hclge_cmd_send(&hdev->hw, desc, 2);
1347 	if (ret) {
1348 		dev_err(&hdev->pdev->dev,
1349 			"failed to dump rx priv wl buf, ret = %d\n", ret);
1350 		return ret;
1351 	}
1352 
1353 	rx_priv_wl = (struct hclge_rx_priv_wl_buf *)desc[0].data;
1354 	for (i = 0; i < HCLGE_TC_NUM_ONE_DESC; i++)
1355 		pos += scnprintf(buf + pos, len - pos,
1356 			 "rx_priv_wl_tc_%d: high: 0x%x, low: 0x%x\n", i,
1357 			 le16_to_cpu(rx_priv_wl->tc_wl[i].high),
1358 			 le16_to_cpu(rx_priv_wl->tc_wl[i].low));
1359 
1360 	rx_priv_wl = (struct hclge_rx_priv_wl_buf *)desc[1].data;
1361 	for (i = 0; i < HCLGE_TC_NUM_ONE_DESC; i++)
1362 		pos += scnprintf(buf + pos, len - pos,
1363 			 "rx_priv_wl_tc_%d: high: 0x%x, low: 0x%x\n",
1364 			 i + HCLGE_TC_NUM_ONE_DESC,
1365 			 le16_to_cpu(rx_priv_wl->tc_wl[i].high),
1366 			 le16_to_cpu(rx_priv_wl->tc_wl[i].low));
1367 
1368 	return pos;
1369 }
1370 
1371 static int hclge_dbg_dump_rx_common_threshold_cfg(struct hclge_dev *hdev,
1372 						  char *buf, int len)
1373 {
1374 	struct hclge_rx_com_thrd *rx_com_thrd;
1375 	struct hclge_desc desc[2];
1376 	int pos = 0;
1377 	int i, ret;
1378 
1379 	hclge_cmd_setup_basic_desc(&desc[0], HCLGE_OPC_RX_COM_THRD_ALLOC, true);
1380 	desc[0].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
1381 	hclge_cmd_setup_basic_desc(&desc[1], HCLGE_OPC_RX_COM_THRD_ALLOC, true);
1382 	ret = hclge_cmd_send(&hdev->hw, desc, 2);
1383 	if (ret) {
1384 		dev_err(&hdev->pdev->dev,
1385 			"failed to dump rx common threshold, ret = %d\n", ret);
1386 		return ret;
1387 	}
1388 
1389 	pos += scnprintf(buf + pos, len - pos, "\n");
1390 	rx_com_thrd = (struct hclge_rx_com_thrd *)desc[0].data;
1391 	for (i = 0; i < HCLGE_TC_NUM_ONE_DESC; i++)
1392 		pos += scnprintf(buf + pos, len - pos,
1393 			 "rx_com_thrd_tc_%d: high: 0x%x, low: 0x%x\n", i,
1394 			 le16_to_cpu(rx_com_thrd->com_thrd[i].high),
1395 			 le16_to_cpu(rx_com_thrd->com_thrd[i].low));
1396 
1397 	rx_com_thrd = (struct hclge_rx_com_thrd *)desc[1].data;
1398 	for (i = 0; i < HCLGE_TC_NUM_ONE_DESC; i++)
1399 		pos += scnprintf(buf + pos, len - pos,
1400 			 "rx_com_thrd_tc_%d: high: 0x%x, low: 0x%x\n",
1401 			 i + HCLGE_TC_NUM_ONE_DESC,
1402 			 le16_to_cpu(rx_com_thrd->com_thrd[i].high),
1403 			 le16_to_cpu(rx_com_thrd->com_thrd[i].low));
1404 
1405 	return pos;
1406 }
1407 
1408 static int hclge_dbg_dump_qos_buf_cfg(struct hclge_dev *hdev, char *buf,
1409 				      int len)
1410 {
1411 	int pos = 0;
1412 	int ret;
1413 
1414 	ret = hclge_dbg_dump_tx_buf_cfg(hdev, buf + pos, len - pos);
1415 	if (ret < 0)
1416 		return ret;
1417 	pos += ret;
1418 
1419 	ret = hclge_dbg_dump_rx_priv_buf_cfg(hdev, buf + pos, len - pos);
1420 	if (ret < 0)
1421 		return ret;
1422 	pos += ret;
1423 
1424 	ret = hclge_dbg_dump_rx_common_wl_cfg(hdev, buf + pos, len - pos);
1425 	if (ret < 0)
1426 		return ret;
1427 	pos += ret;
1428 
1429 	ret = hclge_dbg_dump_rx_global_pkt_cnt(hdev, buf + pos, len - pos);
1430 	if (ret < 0)
1431 		return ret;
1432 	pos += ret;
1433 
1434 	pos += scnprintf(buf + pos, len - pos, "\n");
1435 	if (!hnae3_dev_dcb_supported(hdev))
1436 		return 0;
1437 
1438 	ret = hclge_dbg_dump_rx_priv_wl_buf_cfg(hdev, buf + pos, len - pos);
1439 	if (ret < 0)
1440 		return ret;
1441 	pos += ret;
1442 
1443 	ret = hclge_dbg_dump_rx_common_threshold_cfg(hdev, buf + pos,
1444 						     len - pos);
1445 	if (ret < 0)
1446 		return ret;
1447 
1448 	return 0;
1449 }
1450 
1451 static int hclge_dbg_dump_mng_table(struct hclge_dev *hdev, char *buf, int len)
1452 {
1453 	struct hclge_mac_ethertype_idx_rd_cmd *req0;
1454 	struct hclge_desc desc;
1455 	u32 msg_egress_port;
1456 	int pos = 0;
1457 	int ret, i;
1458 
1459 	pos += scnprintf(buf + pos, len - pos,
1460 			 "entry  mac_addr          mask  ether  ");
1461 	pos += scnprintf(buf + pos, len - pos,
1462 			 "mask  vlan  mask  i_map  i_dir  e_type  ");
1463 	pos += scnprintf(buf + pos, len - pos, "pf_id  vf_id  q_id  drop\n");
1464 
1465 	for (i = 0; i < HCLGE_DBG_MNG_TBL_MAX; i++) {
1466 		hclge_cmd_setup_basic_desc(&desc, HCLGE_MAC_ETHERTYPE_IDX_RD,
1467 					   true);
1468 		req0 = (struct hclge_mac_ethertype_idx_rd_cmd *)&desc.data;
1469 		req0->index = cpu_to_le16(i);
1470 
1471 		ret = hclge_cmd_send(&hdev->hw, &desc, 1);
1472 		if (ret) {
1473 			dev_err(&hdev->pdev->dev,
1474 				"failed to dump manage table, ret = %d\n", ret);
1475 			return ret;
1476 		}
1477 
1478 		if (!req0->resp_code)
1479 			continue;
1480 
1481 		pos += scnprintf(buf + pos, len - pos, "%02u     %pM ",
1482 				 le16_to_cpu(req0->index), req0->mac_addr);
1483 
1484 		pos += scnprintf(buf + pos, len - pos,
1485 				 "%x     %04x   %x     %04x  ",
1486 				 !!(req0->flags & HCLGE_DBG_MNG_MAC_MASK_B),
1487 				 le16_to_cpu(req0->ethter_type),
1488 				 !!(req0->flags & HCLGE_DBG_MNG_ETHER_MASK_B),
1489 				 le16_to_cpu(req0->vlan_tag) &
1490 				 HCLGE_DBG_MNG_VLAN_TAG);
1491 
1492 		pos += scnprintf(buf + pos, len - pos,
1493 				 "%x     %02x     %02x     ",
1494 				 !!(req0->flags & HCLGE_DBG_MNG_VLAN_MASK_B),
1495 				 req0->i_port_bitmap, req0->i_port_direction);
1496 
1497 		msg_egress_port = le16_to_cpu(req0->egress_port);
1498 		pos += scnprintf(buf + pos, len - pos,
1499 				 "%x       %x      %02x     %04x  %x\n",
1500 				 !!(msg_egress_port & HCLGE_DBG_MNG_E_TYPE_B),
1501 				 msg_egress_port & HCLGE_DBG_MNG_PF_ID,
1502 				 (msg_egress_port >> 3) & HCLGE_DBG_MNG_VF_ID,
1503 				 le16_to_cpu(req0->egress_queue),
1504 				 !!(msg_egress_port & HCLGE_DBG_MNG_DROP_B));
1505 	}
1506 
1507 	return 0;
1508 }
1509 
1510 #define HCLGE_DBG_TCAM_BUF_SIZE 256
1511 
1512 static int hclge_dbg_fd_tcam_read(struct hclge_dev *hdev, bool sel_x,
1513 				  char *tcam_buf,
1514 				  struct hclge_dbg_tcam_msg tcam_msg)
1515 {
1516 	struct hclge_fd_tcam_config_1_cmd *req1;
1517 	struct hclge_fd_tcam_config_2_cmd *req2;
1518 	struct hclge_fd_tcam_config_3_cmd *req3;
1519 	struct hclge_desc desc[3];
1520 	int pos = 0;
1521 	int ret, i;
1522 	__le32 *req;
1523 
1524 	hclge_cmd_setup_basic_desc(&desc[0], HCLGE_OPC_FD_TCAM_OP, true);
1525 	desc[0].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
1526 	hclge_cmd_setup_basic_desc(&desc[1], HCLGE_OPC_FD_TCAM_OP, true);
1527 	desc[1].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
1528 	hclge_cmd_setup_basic_desc(&desc[2], HCLGE_OPC_FD_TCAM_OP, true);
1529 
1530 	req1 = (struct hclge_fd_tcam_config_1_cmd *)desc[0].data;
1531 	req2 = (struct hclge_fd_tcam_config_2_cmd *)desc[1].data;
1532 	req3 = (struct hclge_fd_tcam_config_3_cmd *)desc[2].data;
1533 
1534 	req1->stage  = tcam_msg.stage;
1535 	req1->xy_sel = sel_x ? 1 : 0;
1536 	req1->index  = cpu_to_le32(tcam_msg.loc);
1537 
1538 	ret = hclge_cmd_send(&hdev->hw, desc, 3);
1539 	if (ret)
1540 		return ret;
1541 
1542 	pos += scnprintf(tcam_buf + pos, HCLGE_DBG_TCAM_BUF_SIZE - pos,
1543 			 "read result tcam key %s(%u):\n", sel_x ? "x" : "y",
1544 			 tcam_msg.loc);
1545 
1546 	/* tcam_data0 ~ tcam_data1 */
1547 	req = (__le32 *)req1->tcam_data;
1548 	for (i = 0; i < 2; i++)
1549 		pos += scnprintf(tcam_buf + pos, HCLGE_DBG_TCAM_BUF_SIZE - pos,
1550 				 "%08x\n", le32_to_cpu(*req++));
1551 
1552 	/* tcam_data2 ~ tcam_data7 */
1553 	req = (__le32 *)req2->tcam_data;
1554 	for (i = 0; i < 6; i++)
1555 		pos += scnprintf(tcam_buf + pos, HCLGE_DBG_TCAM_BUF_SIZE - pos,
1556 				 "%08x\n", le32_to_cpu(*req++));
1557 
1558 	/* tcam_data8 ~ tcam_data12 */
1559 	req = (__le32 *)req3->tcam_data;
1560 	for (i = 0; i < 5; i++)
1561 		pos += scnprintf(tcam_buf + pos, HCLGE_DBG_TCAM_BUF_SIZE - pos,
1562 				 "%08x\n", le32_to_cpu(*req++));
1563 
1564 	return ret;
1565 }
1566 
1567 static int hclge_dbg_get_rules_location(struct hclge_dev *hdev, u16 *rule_locs)
1568 {
1569 	struct hclge_fd_rule *rule;
1570 	struct hlist_node *node;
1571 	int cnt = 0;
1572 
1573 	spin_lock_bh(&hdev->fd_rule_lock);
1574 	hlist_for_each_entry_safe(rule, node, &hdev->fd_rule_list, rule_node) {
1575 		rule_locs[cnt] = rule->location;
1576 		cnt++;
1577 	}
1578 	spin_unlock_bh(&hdev->fd_rule_lock);
1579 
1580 	if (cnt != hdev->hclge_fd_rule_num || cnt == 0)
1581 		return -EINVAL;
1582 
1583 	return cnt;
1584 }
1585 
1586 static int hclge_dbg_dump_fd_tcam(struct hclge_dev *hdev, char *buf, int len)
1587 {
1588 	u32 rule_num = hdev->fd_cfg.rule_num[HCLGE_FD_STAGE_1];
1589 	struct hclge_dbg_tcam_msg tcam_msg;
1590 	int i, ret, rule_cnt;
1591 	u16 *rule_locs;
1592 	char *tcam_buf;
1593 	int pos = 0;
1594 
1595 	if (!hnae3_ae_dev_fd_supported(hdev->ae_dev)) {
1596 		dev_err(&hdev->pdev->dev,
1597 			"Only FD-supported dev supports dump fd tcam\n");
1598 		return -EOPNOTSUPP;
1599 	}
1600 
1601 	if (!hdev->hclge_fd_rule_num || !rule_num)
1602 		return 0;
1603 
1604 	rule_locs = kcalloc(rule_num, sizeof(u16), GFP_KERNEL);
1605 	if (!rule_locs)
1606 		return -ENOMEM;
1607 
1608 	tcam_buf = kzalloc(HCLGE_DBG_TCAM_BUF_SIZE, GFP_KERNEL);
1609 	if (!tcam_buf) {
1610 		kfree(rule_locs);
1611 		return -ENOMEM;
1612 	}
1613 
1614 	rule_cnt = hclge_dbg_get_rules_location(hdev, rule_locs);
1615 	if (rule_cnt < 0) {
1616 		ret = rule_cnt;
1617 		dev_err(&hdev->pdev->dev,
1618 			"failed to get rule number, ret = %d\n", ret);
1619 		goto out;
1620 	}
1621 
1622 	ret = 0;
1623 	for (i = 0; i < rule_cnt; i++) {
1624 		tcam_msg.stage = HCLGE_FD_STAGE_1;
1625 		tcam_msg.loc = rule_locs[i];
1626 
1627 		ret = hclge_dbg_fd_tcam_read(hdev, true, tcam_buf, tcam_msg);
1628 		if (ret) {
1629 			dev_err(&hdev->pdev->dev,
1630 				"failed to get fd tcam key x, ret = %d\n", ret);
1631 			goto out;
1632 		}
1633 
1634 		pos += scnprintf(buf + pos, len - pos, "%s", tcam_buf);
1635 
1636 		ret = hclge_dbg_fd_tcam_read(hdev, false, tcam_buf, tcam_msg);
1637 		if (ret) {
1638 			dev_err(&hdev->pdev->dev,
1639 				"failed to get fd tcam key y, ret = %d\n", ret);
1640 			goto out;
1641 		}
1642 
1643 		pos += scnprintf(buf + pos, len - pos, "%s", tcam_buf);
1644 	}
1645 
1646 out:
1647 	kfree(tcam_buf);
1648 	kfree(rule_locs);
1649 	return ret;
1650 }
1651 
1652 static int hclge_dbg_dump_fd_counter(struct hclge_dev *hdev, char *buf, int len)
1653 {
1654 	u8 func_num = pci_num_vf(hdev->pdev) + 1; /* pf and enabled vf num */
1655 	struct hclge_fd_ad_cnt_read_cmd *req;
1656 	char str_id[HCLGE_DBG_ID_LEN];
1657 	struct hclge_desc desc;
1658 	int pos = 0;
1659 	int ret;
1660 	u64 cnt;
1661 	u8 i;
1662 
1663 	if (!hnae3_ae_dev_fd_supported(hdev->ae_dev))
1664 		return -EOPNOTSUPP;
1665 
1666 	pos += scnprintf(buf + pos, len - pos,
1667 			 "func_id\thit_times\n");
1668 
1669 	for (i = 0; i < func_num; i++) {
1670 		hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_FD_CNT_OP, true);
1671 		req = (struct hclge_fd_ad_cnt_read_cmd *)desc.data;
1672 		req->index = cpu_to_le16(i);
1673 		ret = hclge_cmd_send(&hdev->hw, &desc, 1);
1674 		if (ret) {
1675 			dev_err(&hdev->pdev->dev, "failed to get fd counter, ret = %d\n",
1676 				ret);
1677 			return ret;
1678 		}
1679 		cnt = le64_to_cpu(req->cnt);
1680 		hclge_dbg_get_func_id_str(str_id, i);
1681 		pos += scnprintf(buf + pos, len - pos,
1682 				 "%s\t%llu\n", str_id, cnt);
1683 	}
1684 
1685 	return 0;
1686 }
1687 
1688 static const struct hclge_dbg_status_dfx_info hclge_dbg_rst_info[] = {
1689 	{HCLGE_MISC_VECTOR_REG_BASE, "vector0 interrupt enable status"},
1690 	{HCLGE_MISC_RESET_STS_REG,   "reset interrupt source"},
1691 	{HCLGE_MISC_VECTOR_INT_STS,  "reset interrupt status"},
1692 	{HCLGE_RAS_PF_OTHER_INT_STS_REG, "RAS interrupt status"},
1693 	{HCLGE_GLOBAL_RESET_REG,  "hardware reset status"},
1694 	{HCLGE_NIC_CSQ_DEPTH_REG, "handshake status"},
1695 	{HCLGE_FUN_RST_ING, "function reset status"}
1696 };
1697 
1698 int hclge_dbg_dump_rst_info(struct hclge_dev *hdev, char *buf, int len)
1699 {
1700 	u32 i, offset;
1701 	int pos = 0;
1702 
1703 	pos += scnprintf(buf + pos, len - pos, "PF reset count: %u\n",
1704 			 hdev->rst_stats.pf_rst_cnt);
1705 	pos += scnprintf(buf + pos, len - pos, "FLR reset count: %u\n",
1706 			 hdev->rst_stats.flr_rst_cnt);
1707 	pos += scnprintf(buf + pos, len - pos, "GLOBAL reset count: %u\n",
1708 			 hdev->rst_stats.global_rst_cnt);
1709 	pos += scnprintf(buf + pos, len - pos, "IMP reset count: %u\n",
1710 			 hdev->rst_stats.imp_rst_cnt);
1711 	pos += scnprintf(buf + pos, len - pos, "reset done count: %u\n",
1712 			 hdev->rst_stats.reset_done_cnt);
1713 	pos += scnprintf(buf + pos, len - pos, "HW reset done count: %u\n",
1714 			 hdev->rst_stats.hw_reset_done_cnt);
1715 	pos += scnprintf(buf + pos, len - pos, "reset count: %u\n",
1716 			 hdev->rst_stats.reset_cnt);
1717 	pos += scnprintf(buf + pos, len - pos, "reset fail count: %u\n",
1718 			 hdev->rst_stats.reset_fail_cnt);
1719 
1720 	for (i = 0; i < ARRAY_SIZE(hclge_dbg_rst_info); i++) {
1721 		offset = hclge_dbg_rst_info[i].offset;
1722 		pos += scnprintf(buf + pos, len - pos, "%s: 0x%x\n",
1723 				 hclge_dbg_rst_info[i].message,
1724 				 hclge_read_dev(&hdev->hw, offset));
1725 	}
1726 
1727 	pos += scnprintf(buf + pos, len - pos, "hdev state: 0x%lx\n",
1728 			 hdev->state);
1729 
1730 	return 0;
1731 }
1732 
1733 static int hclge_dbg_dump_serv_info(struct hclge_dev *hdev, char *buf, int len)
1734 {
1735 	unsigned long rem_nsec;
1736 	int pos = 0;
1737 	u64 lc;
1738 
1739 	lc = local_clock();
1740 	rem_nsec = do_div(lc, HCLGE_BILLION_NANO_SECONDS);
1741 
1742 	pos += scnprintf(buf + pos, len - pos, "local_clock: [%5lu.%06lu]\n",
1743 			 (unsigned long)lc, rem_nsec / 1000);
1744 	pos += scnprintf(buf + pos, len - pos, "delta: %u(ms)\n",
1745 			 jiffies_to_msecs(jiffies - hdev->last_serv_processed));
1746 	pos += scnprintf(buf + pos, len - pos,
1747 			 "last_service_task_processed: %lu(jiffies)\n",
1748 			 hdev->last_serv_processed);
1749 	pos += scnprintf(buf + pos, len - pos, "last_service_task_cnt: %lu\n",
1750 			 hdev->serv_processed_cnt);
1751 
1752 	return 0;
1753 }
1754 
1755 static int hclge_dbg_dump_interrupt(struct hclge_dev *hdev, char *buf, int len)
1756 {
1757 	int pos = 0;
1758 
1759 	pos += scnprintf(buf + pos, len - pos, "num_nic_msi: %u\n",
1760 			 hdev->num_nic_msi);
1761 	pos += scnprintf(buf + pos, len - pos, "num_roce_msi: %u\n",
1762 			 hdev->num_roce_msi);
1763 	pos += scnprintf(buf + pos, len - pos, "num_msi_used: %u\n",
1764 			 hdev->num_msi_used);
1765 	pos += scnprintf(buf + pos, len - pos, "num_msi_left: %u\n",
1766 			 hdev->num_msi_left);
1767 
1768 	return 0;
1769 }
1770 
1771 static void hclge_dbg_imp_info_data_print(struct hclge_desc *desc_src,
1772 					  char *buf, int len, u32 bd_num)
1773 {
1774 #define HCLGE_DBG_IMP_INFO_PRINT_OFFSET 0x2
1775 
1776 	struct hclge_desc *desc_index = desc_src;
1777 	u32 offset = 0;
1778 	int pos = 0;
1779 	u32 i, j;
1780 
1781 	pos += scnprintf(buf + pos, len - pos, "offset | data\n");
1782 
1783 	for (i = 0; i < bd_num; i++) {
1784 		j = 0;
1785 		while (j < HCLGE_DESC_DATA_LEN - 1) {
1786 			pos += scnprintf(buf + pos, len - pos, "0x%04x | ",
1787 					 offset);
1788 			pos += scnprintf(buf + pos, len - pos, "0x%08x  ",
1789 					 le32_to_cpu(desc_index->data[j++]));
1790 			pos += scnprintf(buf + pos, len - pos, "0x%08x\n",
1791 					 le32_to_cpu(desc_index->data[j++]));
1792 			offset += sizeof(u32) * HCLGE_DBG_IMP_INFO_PRINT_OFFSET;
1793 		}
1794 		desc_index++;
1795 	}
1796 }
1797 
1798 static int
1799 hclge_dbg_get_imp_stats_info(struct hclge_dev *hdev, char *buf, int len)
1800 {
1801 	struct hclge_get_imp_bd_cmd *req;
1802 	struct hclge_desc *desc_src;
1803 	struct hclge_desc desc;
1804 	u32 bd_num;
1805 	int ret;
1806 
1807 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_IMP_STATS_BD, true);
1808 
1809 	req = (struct hclge_get_imp_bd_cmd *)desc.data;
1810 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
1811 	if (ret) {
1812 		dev_err(&hdev->pdev->dev,
1813 			"failed to get imp statistics bd number, ret = %d\n",
1814 			ret);
1815 		return ret;
1816 	}
1817 
1818 	bd_num = le32_to_cpu(req->bd_num);
1819 	if (!bd_num) {
1820 		dev_err(&hdev->pdev->dev, "imp statistics bd number is 0!\n");
1821 		return -EINVAL;
1822 	}
1823 
1824 	desc_src = kcalloc(bd_num, sizeof(struct hclge_desc), GFP_KERNEL);
1825 	if (!desc_src)
1826 		return -ENOMEM;
1827 
1828 	ret  = hclge_dbg_cmd_send(hdev, desc_src, 0, bd_num,
1829 				  HCLGE_OPC_IMP_STATS_INFO);
1830 	if (ret) {
1831 		kfree(desc_src);
1832 		dev_err(&hdev->pdev->dev,
1833 			"failed to get imp statistics, ret = %d\n", ret);
1834 		return ret;
1835 	}
1836 
1837 	hclge_dbg_imp_info_data_print(desc_src, buf, len, bd_num);
1838 
1839 	kfree(desc_src);
1840 
1841 	return 0;
1842 }
1843 
1844 #define HCLGE_CMD_NCL_CONFIG_BD_NUM	5
1845 #define HCLGE_MAX_NCL_CONFIG_LENGTH	16384
1846 
1847 static void hclge_ncl_config_data_print(struct hclge_desc *desc, int *index,
1848 					char *buf, int len, int *pos)
1849 {
1850 #define HCLGE_CMD_DATA_NUM		6
1851 
1852 	int offset = HCLGE_MAX_NCL_CONFIG_LENGTH - *index;
1853 	int i, j;
1854 
1855 	for (i = 0; i < HCLGE_CMD_NCL_CONFIG_BD_NUM; i++) {
1856 		for (j = 0; j < HCLGE_CMD_DATA_NUM; j++) {
1857 			if (i == 0 && j == 0)
1858 				continue;
1859 
1860 			*pos += scnprintf(buf + *pos, len - *pos,
1861 					  "0x%04x | 0x%08x\n", offset,
1862 					  le32_to_cpu(desc[i].data[j]));
1863 
1864 			offset += sizeof(u32);
1865 			*index -= sizeof(u32);
1866 
1867 			if (*index <= 0)
1868 				return;
1869 		}
1870 	}
1871 }
1872 
1873 static int
1874 hclge_dbg_dump_ncl_config(struct hclge_dev *hdev, char *buf, int len)
1875 {
1876 #define HCLGE_NCL_CONFIG_LENGTH_IN_EACH_CMD	(20 + 24 * 4)
1877 
1878 	struct hclge_desc desc[HCLGE_CMD_NCL_CONFIG_BD_NUM];
1879 	int bd_num = HCLGE_CMD_NCL_CONFIG_BD_NUM;
1880 	int index = HCLGE_MAX_NCL_CONFIG_LENGTH;
1881 	int pos = 0;
1882 	u32 data0;
1883 	int ret;
1884 
1885 	pos += scnprintf(buf + pos, len - pos, "offset | data\n");
1886 
1887 	while (index > 0) {
1888 		data0 = HCLGE_MAX_NCL_CONFIG_LENGTH - index;
1889 		if (index >= HCLGE_NCL_CONFIG_LENGTH_IN_EACH_CMD)
1890 			data0 |= HCLGE_NCL_CONFIG_LENGTH_IN_EACH_CMD << 16;
1891 		else
1892 			data0 |= (u32)index << 16;
1893 		ret = hclge_dbg_cmd_send(hdev, desc, data0, bd_num,
1894 					 HCLGE_OPC_QUERY_NCL_CONFIG);
1895 		if (ret)
1896 			return ret;
1897 
1898 		hclge_ncl_config_data_print(desc, &index, buf, len, &pos);
1899 	}
1900 
1901 	return 0;
1902 }
1903 
1904 static int hclge_dbg_dump_loopback(struct hclge_dev *hdev, char *buf, int len)
1905 {
1906 	struct phy_device *phydev = hdev->hw.mac.phydev;
1907 	struct hclge_config_mac_mode_cmd *req_app;
1908 	struct hclge_common_lb_cmd *req_common;
1909 	struct hclge_desc desc;
1910 	u8 loopback_en;
1911 	int pos = 0;
1912 	int ret;
1913 
1914 	req_app = (struct hclge_config_mac_mode_cmd *)desc.data;
1915 	req_common = (struct hclge_common_lb_cmd *)desc.data;
1916 
1917 	pos += scnprintf(buf + pos, len - pos, "mac id: %u\n",
1918 			 hdev->hw.mac.mac_id);
1919 
1920 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CONFIG_MAC_MODE, true);
1921 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
1922 	if (ret) {
1923 		dev_err(&hdev->pdev->dev,
1924 			"failed to dump app loopback status, ret = %d\n", ret);
1925 		return ret;
1926 	}
1927 
1928 	loopback_en = hnae3_get_bit(le32_to_cpu(req_app->txrx_pad_fcs_loop_en),
1929 				    HCLGE_MAC_APP_LP_B);
1930 	pos += scnprintf(buf + pos, len - pos, "app loopback: %s\n",
1931 			 state_str[loopback_en]);
1932 
1933 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_COMMON_LOOPBACK, true);
1934 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
1935 	if (ret) {
1936 		dev_err(&hdev->pdev->dev,
1937 			"failed to dump common loopback status, ret = %d\n",
1938 			ret);
1939 		return ret;
1940 	}
1941 
1942 	loopback_en = req_common->enable & HCLGE_CMD_SERDES_SERIAL_INNER_LOOP_B;
1943 	pos += scnprintf(buf + pos, len - pos, "serdes serial loopback: %s\n",
1944 			 state_str[loopback_en]);
1945 
1946 	loopback_en = req_common->enable &
1947 			HCLGE_CMD_SERDES_PARALLEL_INNER_LOOP_B ? 1 : 0;
1948 	pos += scnprintf(buf + pos, len - pos, "serdes parallel loopback: %s\n",
1949 			 state_str[loopback_en]);
1950 
1951 	if (phydev) {
1952 		loopback_en = phydev->loopback_enabled;
1953 		pos += scnprintf(buf + pos, len - pos, "phy loopback: %s\n",
1954 				 state_str[loopback_en]);
1955 	} else if (hnae3_dev_phy_imp_supported(hdev)) {
1956 		loopback_en = req_common->enable &
1957 			      HCLGE_CMD_GE_PHY_INNER_LOOP_B;
1958 		pos += scnprintf(buf + pos, len - pos, "phy loopback: %s\n",
1959 				 state_str[loopback_en]);
1960 	}
1961 
1962 	return 0;
1963 }
1964 
1965 /* hclge_dbg_dump_mac_tnl_status: print message about mac tnl interrupt
1966  * @hdev: pointer to struct hclge_dev
1967  */
1968 static int
1969 hclge_dbg_dump_mac_tnl_status(struct hclge_dev *hdev, char *buf, int len)
1970 {
1971 	struct hclge_mac_tnl_stats stats;
1972 	unsigned long rem_nsec;
1973 	int pos = 0;
1974 
1975 	pos += scnprintf(buf + pos, len - pos,
1976 			 "Recently generated mac tnl interruption:\n");
1977 
1978 	while (kfifo_get(&hdev->mac_tnl_log, &stats)) {
1979 		rem_nsec = do_div(stats.time, HCLGE_BILLION_NANO_SECONDS);
1980 
1981 		pos += scnprintf(buf + pos, len - pos,
1982 				 "[%07lu.%03lu] status = 0x%x\n",
1983 				 (unsigned long)stats.time, rem_nsec / 1000,
1984 				 stats.status);
1985 	}
1986 
1987 	return 0;
1988 }
1989 
1990 
1991 static const struct hclge_dbg_item mac_list_items[] = {
1992 	{ "FUNC_ID", 2 },
1993 	{ "MAC_ADDR", 12 },
1994 	{ "STATE", 2 },
1995 };
1996 
1997 static void hclge_dbg_dump_mac_list(struct hclge_dev *hdev, char *buf, int len,
1998 				    bool is_unicast)
1999 {
2000 	char data_str[ARRAY_SIZE(mac_list_items)][HCLGE_DBG_DATA_STR_LEN];
2001 	char content[HCLGE_DBG_INFO_LEN], str_id[HCLGE_DBG_ID_LEN];
2002 	char *result[ARRAY_SIZE(mac_list_items)];
2003 	struct hclge_mac_node *mac_node, *tmp;
2004 	struct hclge_vport *vport;
2005 	struct list_head *list;
2006 	u32 func_id;
2007 	int pos = 0;
2008 	int i;
2009 
2010 	for (i = 0; i < ARRAY_SIZE(mac_list_items); i++)
2011 		result[i] = &data_str[i][0];
2012 
2013 	pos += scnprintf(buf + pos, len - pos, "%s MAC_LIST:\n",
2014 			 is_unicast ? "UC" : "MC");
2015 	hclge_dbg_fill_content(content, sizeof(content), mac_list_items,
2016 			       NULL, ARRAY_SIZE(mac_list_items));
2017 	pos += scnprintf(buf + pos, len - pos, "%s", content);
2018 
2019 	for (func_id = 0; func_id < hdev->num_alloc_vport; func_id++) {
2020 		vport = &hdev->vport[func_id];
2021 		list = is_unicast ? &vport->uc_mac_list : &vport->mc_mac_list;
2022 		spin_lock_bh(&vport->mac_list_lock);
2023 		list_for_each_entry_safe(mac_node, tmp, list, node) {
2024 			i = 0;
2025 			result[i++] = hclge_dbg_get_func_id_str(str_id,
2026 								func_id);
2027 			sprintf(result[i++], "%pM", mac_node->mac_addr);
2028 			sprintf(result[i++], "%5s",
2029 				hclge_mac_state_str[mac_node->state]);
2030 			hclge_dbg_fill_content(content, sizeof(content),
2031 					       mac_list_items,
2032 					       (const char **)result,
2033 					       ARRAY_SIZE(mac_list_items));
2034 			pos += scnprintf(buf + pos, len - pos, "%s", content);
2035 		}
2036 		spin_unlock_bh(&vport->mac_list_lock);
2037 	}
2038 }
2039 
2040 static int hclge_dbg_dump_umv_info(struct hclge_dev *hdev, char *buf, int len)
2041 {
2042 	u8 func_num = pci_num_vf(hdev->pdev) + 1;
2043 	struct hclge_vport *vport;
2044 	int pos = 0;
2045 	u8 i;
2046 
2047 	pos += scnprintf(buf, len, "num_alloc_vport   : %u\n",
2048 			  hdev->num_alloc_vport);
2049 	pos += scnprintf(buf + pos, len - pos, "max_umv_size     : %u\n",
2050 			 hdev->max_umv_size);
2051 	pos += scnprintf(buf + pos, len - pos, "wanted_umv_size  : %u\n",
2052 			 hdev->wanted_umv_size);
2053 	pos += scnprintf(buf + pos, len - pos, "priv_umv_size    : %u\n",
2054 			 hdev->priv_umv_size);
2055 
2056 	mutex_lock(&hdev->vport_lock);
2057 	pos += scnprintf(buf + pos, len - pos, "share_umv_size   : %u\n",
2058 			 hdev->share_umv_size);
2059 	for (i = 0; i < func_num; i++) {
2060 		vport = &hdev->vport[i];
2061 		pos += scnprintf(buf + pos, len - pos,
2062 				 "vport(%u) used_umv_num : %u\n",
2063 				 i, vport->used_umv_num);
2064 	}
2065 	mutex_unlock(&hdev->vport_lock);
2066 
2067 	pos += scnprintf(buf + pos, len - pos, "used_mc_mac_num  : %u\n",
2068 			 hdev->used_mc_mac_num);
2069 
2070 	return 0;
2071 }
2072 
2073 static int hclge_get_vlan_rx_offload_cfg(struct hclge_dev *hdev, u8 vf_id,
2074 					 struct hclge_dbg_vlan_cfg *vlan_cfg)
2075 {
2076 	struct hclge_vport_vtag_rx_cfg_cmd *req;
2077 	struct hclge_desc desc;
2078 	u16 bmap_index;
2079 	u8 rx_cfg;
2080 	int ret;
2081 
2082 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_VLAN_PORT_RX_CFG, true);
2083 
2084 	req = (struct hclge_vport_vtag_rx_cfg_cmd *)desc.data;
2085 	req->vf_offset = vf_id / HCLGE_VF_NUM_PER_CMD;
2086 	bmap_index = vf_id % HCLGE_VF_NUM_PER_CMD / HCLGE_VF_NUM_PER_BYTE;
2087 	req->vf_bitmap[bmap_index] = 1U << (vf_id % HCLGE_VF_NUM_PER_BYTE);
2088 
2089 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
2090 	if (ret) {
2091 		dev_err(&hdev->pdev->dev,
2092 			"failed to get vport%u rxvlan cfg, ret = %d\n",
2093 			vf_id, ret);
2094 		return ret;
2095 	}
2096 
2097 	rx_cfg = req->vport_vlan_cfg;
2098 	vlan_cfg->strip_tag1 = hnae3_get_bit(rx_cfg, HCLGE_REM_TAG1_EN_B);
2099 	vlan_cfg->strip_tag2 = hnae3_get_bit(rx_cfg, HCLGE_REM_TAG2_EN_B);
2100 	vlan_cfg->drop_tag1 = hnae3_get_bit(rx_cfg, HCLGE_DISCARD_TAG1_EN_B);
2101 	vlan_cfg->drop_tag2 = hnae3_get_bit(rx_cfg, HCLGE_DISCARD_TAG2_EN_B);
2102 	vlan_cfg->pri_only1 = hnae3_get_bit(rx_cfg, HCLGE_SHOW_TAG1_EN_B);
2103 	vlan_cfg->pri_only2 = hnae3_get_bit(rx_cfg, HCLGE_SHOW_TAG2_EN_B);
2104 
2105 	return 0;
2106 }
2107 
2108 static int hclge_get_vlan_tx_offload_cfg(struct hclge_dev *hdev, u8 vf_id,
2109 					 struct hclge_dbg_vlan_cfg *vlan_cfg)
2110 {
2111 	struct hclge_vport_vtag_tx_cfg_cmd *req;
2112 	struct hclge_desc desc;
2113 	u16 bmap_index;
2114 	u8 tx_cfg;
2115 	int ret;
2116 
2117 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_VLAN_PORT_TX_CFG, true);
2118 	req = (struct hclge_vport_vtag_tx_cfg_cmd *)desc.data;
2119 	req->vf_offset = vf_id / HCLGE_VF_NUM_PER_CMD;
2120 	bmap_index = vf_id % HCLGE_VF_NUM_PER_CMD / HCLGE_VF_NUM_PER_BYTE;
2121 	req->vf_bitmap[bmap_index] = 1U << (vf_id % HCLGE_VF_NUM_PER_BYTE);
2122 
2123 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
2124 	if (ret) {
2125 		dev_err(&hdev->pdev->dev,
2126 			"failed to get vport%u txvlan cfg, ret = %d\n",
2127 			vf_id, ret);
2128 		return ret;
2129 	}
2130 
2131 	tx_cfg = req->vport_vlan_cfg;
2132 	vlan_cfg->pvid = le16_to_cpu(req->def_vlan_tag1);
2133 
2134 	vlan_cfg->accept_tag1 = hnae3_get_bit(tx_cfg, HCLGE_ACCEPT_TAG1_B);
2135 	vlan_cfg->accept_tag2 = hnae3_get_bit(tx_cfg, HCLGE_ACCEPT_TAG2_B);
2136 	vlan_cfg->accept_untag1 = hnae3_get_bit(tx_cfg, HCLGE_ACCEPT_UNTAG1_B);
2137 	vlan_cfg->accept_untag2 = hnae3_get_bit(tx_cfg, HCLGE_ACCEPT_UNTAG2_B);
2138 	vlan_cfg->insert_tag1 = hnae3_get_bit(tx_cfg, HCLGE_PORT_INS_TAG1_EN_B);
2139 	vlan_cfg->insert_tag2 = hnae3_get_bit(tx_cfg, HCLGE_PORT_INS_TAG2_EN_B);
2140 	vlan_cfg->shift_tag = hnae3_get_bit(tx_cfg, HCLGE_TAG_SHIFT_MODE_EN_B);
2141 
2142 	return 0;
2143 }
2144 
2145 static int hclge_get_vlan_filter_config_cmd(struct hclge_dev *hdev,
2146 					    u8 vlan_type, u8 vf_id,
2147 					    struct hclge_desc *desc)
2148 {
2149 	struct hclge_vlan_filter_ctrl_cmd *req;
2150 	int ret;
2151 
2152 	hclge_cmd_setup_basic_desc(desc, HCLGE_OPC_VLAN_FILTER_CTRL, true);
2153 	req = (struct hclge_vlan_filter_ctrl_cmd *)desc->data;
2154 	req->vlan_type = vlan_type;
2155 	req->vf_id = vf_id;
2156 
2157 	ret = hclge_cmd_send(&hdev->hw, desc, 1);
2158 	if (ret)
2159 		dev_err(&hdev->pdev->dev,
2160 			"failed to get vport%u vlan filter config, ret = %d.\n",
2161 			vf_id, ret);
2162 
2163 	return ret;
2164 }
2165 
2166 static int hclge_get_vlan_filter_state(struct hclge_dev *hdev, u8 vlan_type,
2167 				       u8 vf_id, u8 *vlan_fe)
2168 {
2169 	struct hclge_vlan_filter_ctrl_cmd *req;
2170 	struct hclge_desc desc;
2171 	int ret;
2172 
2173 	ret = hclge_get_vlan_filter_config_cmd(hdev, vlan_type, vf_id, &desc);
2174 	if (ret)
2175 		return ret;
2176 
2177 	req = (struct hclge_vlan_filter_ctrl_cmd *)desc.data;
2178 	*vlan_fe = req->vlan_fe;
2179 
2180 	return 0;
2181 }
2182 
2183 static int hclge_get_port_vlan_filter_bypass_state(struct hclge_dev *hdev,
2184 						   u8 vf_id, u8 *bypass_en)
2185 {
2186 	struct hclge_port_vlan_filter_bypass_cmd *req;
2187 	struct hclge_desc desc;
2188 	int ret;
2189 
2190 	if (!test_bit(HNAE3_DEV_SUPPORT_PORT_VLAN_BYPASS_B, hdev->ae_dev->caps))
2191 		return 0;
2192 
2193 	hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_PORT_VLAN_BYPASS, true);
2194 	req = (struct hclge_port_vlan_filter_bypass_cmd *)desc.data;
2195 	req->vf_id = vf_id;
2196 
2197 	ret = hclge_cmd_send(&hdev->hw, &desc, 1);
2198 	if (ret) {
2199 		dev_err(&hdev->pdev->dev,
2200 			"failed to get vport%u port vlan filter bypass state, ret = %d.\n",
2201 			vf_id, ret);
2202 		return ret;
2203 	}
2204 
2205 	*bypass_en = hnae3_get_bit(req->bypass_state, HCLGE_INGRESS_BYPASS_B);
2206 
2207 	return 0;
2208 }
2209 
2210 static const struct hclge_dbg_item vlan_filter_items[] = {
2211 	{ "FUNC_ID", 2 },
2212 	{ "I_VF_VLAN_FILTER", 2 },
2213 	{ "E_VF_VLAN_FILTER", 2 },
2214 	{ "PORT_VLAN_FILTER_BYPASS", 0 }
2215 };
2216 
2217 static const struct hclge_dbg_item vlan_offload_items[] = {
2218 	{ "FUNC_ID", 2 },
2219 	{ "PVID", 4 },
2220 	{ "ACCEPT_TAG1", 2 },
2221 	{ "ACCEPT_TAG2", 2 },
2222 	{ "ACCEPT_UNTAG1", 2 },
2223 	{ "ACCEPT_UNTAG2", 2 },
2224 	{ "INSERT_TAG1", 2 },
2225 	{ "INSERT_TAG2", 2 },
2226 	{ "SHIFT_TAG", 2 },
2227 	{ "STRIP_TAG1", 2 },
2228 	{ "STRIP_TAG2", 2 },
2229 	{ "DROP_TAG1", 2 },
2230 	{ "DROP_TAG2", 2 },
2231 	{ "PRI_ONLY_TAG1", 2 },
2232 	{ "PRI_ONLY_TAG2", 0 }
2233 };
2234 
2235 static int hclge_dbg_dump_vlan_filter_config(struct hclge_dev *hdev, char *buf,
2236 					     int len, int *pos)
2237 {
2238 	char content[HCLGE_DBG_VLAN_FLTR_INFO_LEN], str_id[HCLGE_DBG_ID_LEN];
2239 	const char *result[ARRAY_SIZE(vlan_filter_items)];
2240 	u8 i, j, vlan_fe, bypass, ingress, egress;
2241 	u8 func_num = pci_num_vf(hdev->pdev) + 1; /* pf and enabled vf num */
2242 	int ret;
2243 
2244 	ret = hclge_get_vlan_filter_state(hdev, HCLGE_FILTER_TYPE_PORT, 0,
2245 					  &vlan_fe);
2246 	if (ret)
2247 		return ret;
2248 	ingress = vlan_fe & HCLGE_FILTER_FE_NIC_INGRESS_B;
2249 	egress = vlan_fe & HCLGE_FILTER_FE_NIC_EGRESS_B ? 1 : 0;
2250 
2251 	*pos += scnprintf(buf, len, "I_PORT_VLAN_FILTER: %s\n",
2252 			  state_str[ingress]);
2253 	*pos += scnprintf(buf + *pos, len - *pos, "E_PORT_VLAN_FILTER: %s\n",
2254 			  state_str[egress]);
2255 
2256 	hclge_dbg_fill_content(content, sizeof(content), vlan_filter_items,
2257 			       NULL, ARRAY_SIZE(vlan_filter_items));
2258 	*pos += scnprintf(buf + *pos, len - *pos, "%s", content);
2259 
2260 	for (i = 0; i < func_num; i++) {
2261 		ret = hclge_get_vlan_filter_state(hdev, HCLGE_FILTER_TYPE_VF, i,
2262 						  &vlan_fe);
2263 		if (ret)
2264 			return ret;
2265 
2266 		ingress = vlan_fe & HCLGE_FILTER_FE_NIC_INGRESS_B;
2267 		egress = vlan_fe & HCLGE_FILTER_FE_NIC_EGRESS_B ? 1 : 0;
2268 		ret = hclge_get_port_vlan_filter_bypass_state(hdev, i, &bypass);
2269 		if (ret)
2270 			return ret;
2271 		j = 0;
2272 		result[j++] = hclge_dbg_get_func_id_str(str_id, i);
2273 		result[j++] = state_str[ingress];
2274 		result[j++] = state_str[egress];
2275 		result[j++] =
2276 			test_bit(HNAE3_DEV_SUPPORT_PORT_VLAN_BYPASS_B,
2277 				 hdev->ae_dev->caps) ? state_str[bypass] : "NA";
2278 		hclge_dbg_fill_content(content, sizeof(content),
2279 				       vlan_filter_items, result,
2280 				       ARRAY_SIZE(vlan_filter_items));
2281 		*pos += scnprintf(buf + *pos, len - *pos, "%s", content);
2282 	}
2283 	*pos += scnprintf(buf + *pos, len - *pos, "\n");
2284 
2285 	return 0;
2286 }
2287 
2288 static int hclge_dbg_dump_vlan_offload_config(struct hclge_dev *hdev, char *buf,
2289 					      int len, int *pos)
2290 {
2291 	char str_id[HCLGE_DBG_ID_LEN], str_pvid[HCLGE_DBG_ID_LEN];
2292 	const char *result[ARRAY_SIZE(vlan_offload_items)];
2293 	char content[HCLGE_DBG_VLAN_OFFLOAD_INFO_LEN];
2294 	u8 func_num = pci_num_vf(hdev->pdev) + 1; /* pf and enabled vf num */
2295 	struct hclge_dbg_vlan_cfg vlan_cfg;
2296 	int ret;
2297 	u8 i, j;
2298 
2299 	hclge_dbg_fill_content(content, sizeof(content), vlan_offload_items,
2300 			       NULL, ARRAY_SIZE(vlan_offload_items));
2301 	*pos += scnprintf(buf + *pos, len - *pos, "%s", content);
2302 
2303 	for (i = 0; i < func_num; i++) {
2304 		ret = hclge_get_vlan_tx_offload_cfg(hdev, i, &vlan_cfg);
2305 		if (ret)
2306 			return ret;
2307 
2308 		ret = hclge_get_vlan_rx_offload_cfg(hdev, i, &vlan_cfg);
2309 		if (ret)
2310 			return ret;
2311 
2312 		sprintf(str_pvid, "%u", vlan_cfg.pvid);
2313 		j = 0;
2314 		result[j++] = hclge_dbg_get_func_id_str(str_id, i);
2315 		result[j++] = str_pvid;
2316 		result[j++] = state_str[vlan_cfg.accept_tag1];
2317 		result[j++] = state_str[vlan_cfg.accept_tag2];
2318 		result[j++] = state_str[vlan_cfg.accept_untag1];
2319 		result[j++] = state_str[vlan_cfg.accept_untag2];
2320 		result[j++] = state_str[vlan_cfg.insert_tag1];
2321 		result[j++] = state_str[vlan_cfg.insert_tag2];
2322 		result[j++] = state_str[vlan_cfg.shift_tag];
2323 		result[j++] = state_str[vlan_cfg.strip_tag1];
2324 		result[j++] = state_str[vlan_cfg.strip_tag2];
2325 		result[j++] = state_str[vlan_cfg.drop_tag1];
2326 		result[j++] = state_str[vlan_cfg.drop_tag2];
2327 		result[j++] = state_str[vlan_cfg.pri_only1];
2328 		result[j++] = state_str[vlan_cfg.pri_only2];
2329 
2330 		hclge_dbg_fill_content(content, sizeof(content),
2331 				       vlan_offload_items, result,
2332 				       ARRAY_SIZE(vlan_offload_items));
2333 		*pos += scnprintf(buf + *pos, len - *pos, "%s", content);
2334 	}
2335 
2336 	return 0;
2337 }
2338 
2339 static int hclge_dbg_dump_vlan_config(struct hclge_dev *hdev, char *buf,
2340 				      int len)
2341 {
2342 	int pos = 0;
2343 	int ret;
2344 
2345 	ret = hclge_dbg_dump_vlan_filter_config(hdev, buf, len, &pos);
2346 	if (ret)
2347 		return ret;
2348 
2349 	return hclge_dbg_dump_vlan_offload_config(hdev, buf, len, &pos);
2350 }
2351 
2352 static int hclge_dbg_dump_ptp_info(struct hclge_dev *hdev, char *buf, int len)
2353 {
2354 	struct hclge_ptp *ptp = hdev->ptp;
2355 	u32 sw_cfg = ptp->ptp_cfg;
2356 	unsigned int tx_start;
2357 	unsigned int last_rx;
2358 	int pos = 0;
2359 	u32 hw_cfg;
2360 	int ret;
2361 
2362 	pos += scnprintf(buf + pos, len - pos, "phc %s's debug info:\n",
2363 			 ptp->info.name);
2364 	pos += scnprintf(buf + pos, len - pos, "ptp enable: %s\n",
2365 			 test_bit(HCLGE_PTP_FLAG_EN, &ptp->flags) ?
2366 			 "yes" : "no");
2367 	pos += scnprintf(buf + pos, len - pos, "ptp tx enable: %s\n",
2368 			 test_bit(HCLGE_PTP_FLAG_TX_EN, &ptp->flags) ?
2369 			 "yes" : "no");
2370 	pos += scnprintf(buf + pos, len - pos, "ptp rx enable: %s\n",
2371 			 test_bit(HCLGE_PTP_FLAG_RX_EN, &ptp->flags) ?
2372 			 "yes" : "no");
2373 
2374 	last_rx = jiffies_to_msecs(ptp->last_rx);
2375 	pos += scnprintf(buf + pos, len - pos, "last rx time: %lu.%lu\n",
2376 			 last_rx / MSEC_PER_SEC, last_rx % MSEC_PER_SEC);
2377 	pos += scnprintf(buf + pos, len - pos, "rx count: %lu\n", ptp->rx_cnt);
2378 
2379 	tx_start = jiffies_to_msecs(ptp->tx_start);
2380 	pos += scnprintf(buf + pos, len - pos, "last tx start time: %lu.%lu\n",
2381 			 tx_start / MSEC_PER_SEC, tx_start % MSEC_PER_SEC);
2382 	pos += scnprintf(buf + pos, len - pos, "tx count: %lu\n", ptp->tx_cnt);
2383 	pos += scnprintf(buf + pos, len - pos, "tx skipped count: %lu\n",
2384 			 ptp->tx_skipped);
2385 	pos += scnprintf(buf + pos, len - pos, "tx timeout count: %lu\n",
2386 			 ptp->tx_timeout);
2387 	pos += scnprintf(buf + pos, len - pos, "last tx seqid: %u\n",
2388 			 ptp->last_tx_seqid);
2389 
2390 	ret = hclge_ptp_cfg_qry(hdev, &hw_cfg);
2391 	if (ret)
2392 		return ret;
2393 
2394 	pos += scnprintf(buf + pos, len - pos, "sw_cfg: %#x, hw_cfg: %#x\n",
2395 			 sw_cfg, hw_cfg);
2396 
2397 	pos += scnprintf(buf + pos, len - pos, "tx type: %d, rx filter: %d\n",
2398 			 ptp->ts_cfg.tx_type, ptp->ts_cfg.rx_filter);
2399 
2400 	return 0;
2401 }
2402 
2403 static int hclge_dbg_dump_mac_uc(struct hclge_dev *hdev, char *buf, int len)
2404 {
2405 	hclge_dbg_dump_mac_list(hdev, buf, len, true);
2406 
2407 	return 0;
2408 }
2409 
2410 static int hclge_dbg_dump_mac_mc(struct hclge_dev *hdev, char *buf, int len)
2411 {
2412 	hclge_dbg_dump_mac_list(hdev, buf, len, false);
2413 
2414 	return 0;
2415 }
2416 
2417 static const struct hclge_dbg_func hclge_dbg_cmd_func[] = {
2418 	{
2419 		.cmd = HNAE3_DBG_CMD_TM_NODES,
2420 		.dbg_dump = hclge_dbg_dump_tm_nodes,
2421 	},
2422 	{
2423 		.cmd = HNAE3_DBG_CMD_TM_PRI,
2424 		.dbg_dump = hclge_dbg_dump_tm_pri,
2425 	},
2426 	{
2427 		.cmd = HNAE3_DBG_CMD_TM_QSET,
2428 		.dbg_dump = hclge_dbg_dump_tm_qset,
2429 	},
2430 	{
2431 		.cmd = HNAE3_DBG_CMD_TM_MAP,
2432 		.dbg_dump = hclge_dbg_dump_tm_map,
2433 	},
2434 	{
2435 		.cmd = HNAE3_DBG_CMD_TM_PG,
2436 		.dbg_dump = hclge_dbg_dump_tm_pg,
2437 	},
2438 	{
2439 		.cmd = HNAE3_DBG_CMD_TM_PORT,
2440 		.dbg_dump = hclge_dbg_dump_tm_port,
2441 	},
2442 	{
2443 		.cmd = HNAE3_DBG_CMD_TC_SCH_INFO,
2444 		.dbg_dump = hclge_dbg_dump_tc,
2445 	},
2446 	{
2447 		.cmd = HNAE3_DBG_CMD_QOS_PAUSE_CFG,
2448 		.dbg_dump = hclge_dbg_dump_qos_pause_cfg,
2449 	},
2450 	{
2451 		.cmd = HNAE3_DBG_CMD_QOS_PRI_MAP,
2452 		.dbg_dump = hclge_dbg_dump_qos_pri_map,
2453 	},
2454 	{
2455 		.cmd = HNAE3_DBG_CMD_QOS_DSCP_MAP,
2456 		.dbg_dump = hclge_dbg_dump_qos_dscp_map,
2457 	},
2458 	{
2459 		.cmd = HNAE3_DBG_CMD_QOS_BUF_CFG,
2460 		.dbg_dump = hclge_dbg_dump_qos_buf_cfg,
2461 	},
2462 	{
2463 		.cmd = HNAE3_DBG_CMD_MAC_UC,
2464 		.dbg_dump = hclge_dbg_dump_mac_uc,
2465 	},
2466 	{
2467 		.cmd = HNAE3_DBG_CMD_MAC_MC,
2468 		.dbg_dump = hclge_dbg_dump_mac_mc,
2469 	},
2470 	{
2471 		.cmd = HNAE3_DBG_CMD_MNG_TBL,
2472 		.dbg_dump = hclge_dbg_dump_mng_table,
2473 	},
2474 	{
2475 		.cmd = HNAE3_DBG_CMD_LOOPBACK,
2476 		.dbg_dump = hclge_dbg_dump_loopback,
2477 	},
2478 	{
2479 		.cmd = HNAE3_DBG_CMD_PTP_INFO,
2480 		.dbg_dump = hclge_dbg_dump_ptp_info,
2481 	},
2482 	{
2483 		.cmd = HNAE3_DBG_CMD_INTERRUPT_INFO,
2484 		.dbg_dump = hclge_dbg_dump_interrupt,
2485 	},
2486 	{
2487 		.cmd = HNAE3_DBG_CMD_RESET_INFO,
2488 		.dbg_dump = hclge_dbg_dump_rst_info,
2489 	},
2490 	{
2491 		.cmd = HNAE3_DBG_CMD_IMP_INFO,
2492 		.dbg_dump = hclge_dbg_get_imp_stats_info,
2493 	},
2494 	{
2495 		.cmd = HNAE3_DBG_CMD_NCL_CONFIG,
2496 		.dbg_dump = hclge_dbg_dump_ncl_config,
2497 	},
2498 	{
2499 		.cmd = HNAE3_DBG_CMD_REG_BIOS_COMMON,
2500 		.dbg_dump_reg = hclge_dbg_dump_reg_cmd,
2501 	},
2502 	{
2503 		.cmd = HNAE3_DBG_CMD_REG_SSU,
2504 		.dbg_dump_reg = hclge_dbg_dump_reg_cmd,
2505 	},
2506 	{
2507 		.cmd = HNAE3_DBG_CMD_REG_IGU_EGU,
2508 		.dbg_dump_reg = hclge_dbg_dump_reg_cmd,
2509 	},
2510 	{
2511 		.cmd = HNAE3_DBG_CMD_REG_RPU,
2512 		.dbg_dump_reg = hclge_dbg_dump_reg_cmd,
2513 	},
2514 	{
2515 		.cmd = HNAE3_DBG_CMD_REG_NCSI,
2516 		.dbg_dump_reg = hclge_dbg_dump_reg_cmd,
2517 	},
2518 	{
2519 		.cmd = HNAE3_DBG_CMD_REG_RTC,
2520 		.dbg_dump_reg = hclge_dbg_dump_reg_cmd,
2521 	},
2522 	{
2523 		.cmd = HNAE3_DBG_CMD_REG_PPP,
2524 		.dbg_dump_reg = hclge_dbg_dump_reg_cmd,
2525 	},
2526 	{
2527 		.cmd = HNAE3_DBG_CMD_REG_RCB,
2528 		.dbg_dump_reg = hclge_dbg_dump_reg_cmd,
2529 	},
2530 	{
2531 		.cmd = HNAE3_DBG_CMD_REG_TQP,
2532 		.dbg_dump_reg = hclge_dbg_dump_reg_cmd,
2533 	},
2534 	{
2535 		.cmd = HNAE3_DBG_CMD_REG_MAC,
2536 		.dbg_dump = hclge_dbg_dump_mac,
2537 	},
2538 	{
2539 		.cmd = HNAE3_DBG_CMD_REG_DCB,
2540 		.dbg_dump = hclge_dbg_dump_dcb,
2541 	},
2542 	{
2543 		.cmd = HNAE3_DBG_CMD_FD_TCAM,
2544 		.dbg_dump = hclge_dbg_dump_fd_tcam,
2545 	},
2546 	{
2547 		.cmd = HNAE3_DBG_CMD_MAC_TNL_STATUS,
2548 		.dbg_dump = hclge_dbg_dump_mac_tnl_status,
2549 	},
2550 	{
2551 		.cmd = HNAE3_DBG_CMD_SERV_INFO,
2552 		.dbg_dump = hclge_dbg_dump_serv_info,
2553 	},
2554 	{
2555 		.cmd = HNAE3_DBG_CMD_VLAN_CONFIG,
2556 		.dbg_dump = hclge_dbg_dump_vlan_config,
2557 	},
2558 	{
2559 		.cmd = HNAE3_DBG_CMD_FD_COUNTER,
2560 		.dbg_dump = hclge_dbg_dump_fd_counter,
2561 	},
2562 	{
2563 		.cmd = HNAE3_DBG_CMD_UMV_INFO,
2564 		.dbg_dump = hclge_dbg_dump_umv_info,
2565 	},
2566 };
2567 
2568 int hclge_dbg_read_cmd(struct hnae3_handle *handle, enum hnae3_dbg_cmd cmd,
2569 		       char *buf, int len)
2570 {
2571 	struct hclge_vport *vport = hclge_get_vport(handle);
2572 	const struct hclge_dbg_func *cmd_func;
2573 	struct hclge_dev *hdev = vport->back;
2574 	u32 i;
2575 
2576 	for (i = 0; i < ARRAY_SIZE(hclge_dbg_cmd_func); i++) {
2577 		if (cmd == hclge_dbg_cmd_func[i].cmd) {
2578 			cmd_func = &hclge_dbg_cmd_func[i];
2579 			if (cmd_func->dbg_dump)
2580 				return cmd_func->dbg_dump(hdev, buf, len);
2581 			else
2582 				return cmd_func->dbg_dump_reg(hdev, cmd, buf,
2583 							      len);
2584 		}
2585 	}
2586 
2587 	dev_err(&hdev->pdev->dev, "invalid command(%d)\n", cmd);
2588 	return -EINVAL;
2589 }
2590