1 // SPDX-License-Identifier: GPL-2.0+
2 // Copyright (c) 2023 Hisilicon Limited.
3
4 #include "hclge_cmd.h"
5 #include "hclge_main.h"
6 #include "hclge_regs.h"
7 #include "hnae3.h"
8
9 static const u32 cmdq_reg_addr_list[] = {HCLGE_COMM_NIC_CSQ_BASEADDR_L_REG,
10 HCLGE_COMM_NIC_CSQ_BASEADDR_H_REG,
11 HCLGE_COMM_NIC_CSQ_DEPTH_REG,
12 HCLGE_COMM_NIC_CSQ_TAIL_REG,
13 HCLGE_COMM_NIC_CSQ_HEAD_REG,
14 HCLGE_COMM_NIC_CRQ_BASEADDR_L_REG,
15 HCLGE_COMM_NIC_CRQ_BASEADDR_H_REG,
16 HCLGE_COMM_NIC_CRQ_DEPTH_REG,
17 HCLGE_COMM_NIC_CRQ_TAIL_REG,
18 HCLGE_COMM_NIC_CRQ_HEAD_REG,
19 HCLGE_COMM_VECTOR0_CMDQ_SRC_REG,
20 HCLGE_COMM_CMDQ_INTR_STS_REG,
21 HCLGE_COMM_CMDQ_INTR_EN_REG,
22 HCLGE_COMM_CMDQ_INTR_GEN_REG};
23
24 static const u32 common_reg_addr_list[] = {HCLGE_MISC_VECTOR_REG_BASE,
25 HCLGE_PF_OTHER_INT_REG,
26 HCLGE_MISC_RESET_STS_REG,
27 HCLGE_MISC_VECTOR_INT_STS,
28 HCLGE_GLOBAL_RESET_REG,
29 HCLGE_FUN_RST_ING,
30 HCLGE_GRO_EN_REG};
31
32 static const u32 ring_reg_addr_list[] = {HCLGE_RING_RX_ADDR_L_REG,
33 HCLGE_RING_RX_ADDR_H_REG,
34 HCLGE_RING_RX_BD_NUM_REG,
35 HCLGE_RING_RX_BD_LENGTH_REG,
36 HCLGE_RING_RX_MERGE_EN_REG,
37 HCLGE_RING_RX_TAIL_REG,
38 HCLGE_RING_RX_HEAD_REG,
39 HCLGE_RING_RX_FBD_NUM_REG,
40 HCLGE_RING_RX_OFFSET_REG,
41 HCLGE_RING_RX_FBD_OFFSET_REG,
42 HCLGE_RING_RX_STASH_REG,
43 HCLGE_RING_RX_BD_ERR_REG,
44 HCLGE_RING_TX_ADDR_L_REG,
45 HCLGE_RING_TX_ADDR_H_REG,
46 HCLGE_RING_TX_BD_NUM_REG,
47 HCLGE_RING_TX_PRIORITY_REG,
48 HCLGE_RING_TX_TC_REG,
49 HCLGE_RING_TX_MERGE_EN_REG,
50 HCLGE_RING_TX_TAIL_REG,
51 HCLGE_RING_TX_HEAD_REG,
52 HCLGE_RING_TX_FBD_NUM_REG,
53 HCLGE_RING_TX_OFFSET_REG,
54 HCLGE_RING_TX_EBD_NUM_REG,
55 HCLGE_RING_TX_EBD_OFFSET_REG,
56 HCLGE_RING_TX_BD_ERR_REG,
57 HCLGE_RING_EN_REG};
58
59 static const u32 tqp_intr_reg_addr_list[] = {HCLGE_TQP_INTR_CTRL_REG,
60 HCLGE_TQP_INTR_GL0_REG,
61 HCLGE_TQP_INTR_GL1_REG,
62 HCLGE_TQP_INTR_GL2_REG,
63 HCLGE_TQP_INTR_RL_REG};
64
65 /* Get DFX BD number offset */
66 #define HCLGE_DFX_BIOS_BD_OFFSET 1
67 #define HCLGE_DFX_SSU_0_BD_OFFSET 2
68 #define HCLGE_DFX_SSU_1_BD_OFFSET 3
69 #define HCLGE_DFX_IGU_BD_OFFSET 4
70 #define HCLGE_DFX_RPU_0_BD_OFFSET 5
71 #define HCLGE_DFX_RPU_1_BD_OFFSET 6
72 #define HCLGE_DFX_NCSI_BD_OFFSET 7
73 #define HCLGE_DFX_RTC_BD_OFFSET 8
74 #define HCLGE_DFX_PPP_BD_OFFSET 9
75 #define HCLGE_DFX_RCB_BD_OFFSET 10
76 #define HCLGE_DFX_TQP_BD_OFFSET 11
77 #define HCLGE_DFX_SSU_2_BD_OFFSET 12
78
79 static const u32 hclge_dfx_bd_offset_list[] = {
80 HCLGE_DFX_BIOS_BD_OFFSET,
81 HCLGE_DFX_SSU_0_BD_OFFSET,
82 HCLGE_DFX_SSU_1_BD_OFFSET,
83 HCLGE_DFX_IGU_BD_OFFSET,
84 HCLGE_DFX_RPU_0_BD_OFFSET,
85 HCLGE_DFX_RPU_1_BD_OFFSET,
86 HCLGE_DFX_NCSI_BD_OFFSET,
87 HCLGE_DFX_RTC_BD_OFFSET,
88 HCLGE_DFX_PPP_BD_OFFSET,
89 HCLGE_DFX_RCB_BD_OFFSET,
90 HCLGE_DFX_TQP_BD_OFFSET,
91 HCLGE_DFX_SSU_2_BD_OFFSET
92 };
93
94 static const enum hclge_opcode_type hclge_dfx_reg_opcode_list[] = {
95 HCLGE_OPC_DFX_BIOS_COMMON_REG,
96 HCLGE_OPC_DFX_SSU_REG_0,
97 HCLGE_OPC_DFX_SSU_REG_1,
98 HCLGE_OPC_DFX_IGU_EGU_REG,
99 HCLGE_OPC_DFX_RPU_REG_0,
100 HCLGE_OPC_DFX_RPU_REG_1,
101 HCLGE_OPC_DFX_NCSI_REG,
102 HCLGE_OPC_DFX_RTC_REG,
103 HCLGE_OPC_DFX_PPP_REG,
104 HCLGE_OPC_DFX_RCB_REG,
105 HCLGE_OPC_DFX_TQP_REG,
106 HCLGE_OPC_DFX_SSU_REG_2
107 };
108
109 enum hclge_reg_tag {
110 HCLGE_REG_TAG_CMDQ = 0,
111 HCLGE_REG_TAG_COMMON,
112 HCLGE_REG_TAG_RING,
113 HCLGE_REG_TAG_TQP_INTR,
114 HCLGE_REG_TAG_QUERY_32_BIT,
115 HCLGE_REG_TAG_QUERY_64_BIT,
116 HCLGE_REG_TAG_DFX_BIOS_COMMON,
117 HCLGE_REG_TAG_DFX_SSU_0,
118 HCLGE_REG_TAG_DFX_SSU_1,
119 HCLGE_REG_TAG_DFX_IGU_EGU,
120 HCLGE_REG_TAG_DFX_RPU_0,
121 HCLGE_REG_TAG_DFX_RPU_1,
122 HCLGE_REG_TAG_DFX_NCSI,
123 HCLGE_REG_TAG_DFX_RTC,
124 HCLGE_REG_TAG_DFX_PPP,
125 HCLGE_REG_TAG_DFX_RCB,
126 HCLGE_REG_TAG_DFX_TQP,
127 HCLGE_REG_TAG_DFX_SSU_2,
128 HCLGE_REG_TAG_RPU_TNL,
129 };
130
131 #pragma pack(4)
132 struct hclge_reg_tlv {
133 u16 tag;
134 u16 len;
135 };
136
137 struct hclge_reg_header {
138 u64 magic_number;
139 u8 is_vf;
140 u8 rsv[7];
141 };
142
143 #pragma pack()
144
145 #define HCLGE_REG_TLV_SIZE sizeof(struct hclge_reg_tlv)
146 #define HCLGE_REG_HEADER_SIZE sizeof(struct hclge_reg_header)
147 #define HCLGE_REG_TLV_SPACE (sizeof(struct hclge_reg_tlv) / sizeof(u32))
148 #define HCLGE_REG_HEADER_SPACE (sizeof(struct hclge_reg_header) / sizeof(u32))
149 #define HCLGE_REG_MAGIC_NUMBER 0x686e733372656773 /* meaning is hns3regs */
150
151 #define HCLGE_REG_RPU_TNL_ID_0 1
152
hclge_reg_get_header(void * data)153 static u32 hclge_reg_get_header(void *data)
154 {
155 struct hclge_reg_header *header = data;
156
157 header->magic_number = HCLGE_REG_MAGIC_NUMBER;
158 header->is_vf = 0x0;
159
160 return HCLGE_REG_HEADER_SPACE;
161 }
162
hclge_reg_get_tlv(u32 tag,u32 regs_num,void * data)163 static u32 hclge_reg_get_tlv(u32 tag, u32 regs_num, void *data)
164 {
165 struct hclge_reg_tlv *tlv = data;
166
167 tlv->tag = tag;
168 tlv->len = regs_num * sizeof(u32) + HCLGE_REG_TLV_SIZE;
169
170 return HCLGE_REG_TLV_SPACE;
171 }
172
hclge_get_32_bit_regs(struct hclge_dev * hdev,u32 regs_num,void * data)173 static int hclge_get_32_bit_regs(struct hclge_dev *hdev, u32 regs_num,
174 void *data)
175 {
176 #define HCLGE_32_BIT_REG_RTN_DATANUM 8
177 #define HCLGE_32_BIT_DESC_NODATA_LEN 2
178
179 struct hclge_desc *desc;
180 u32 *reg_val = data;
181 __le32 *desc_data;
182 int nodata_num;
183 int cmd_num;
184 int i, k, n;
185 int ret;
186
187 if (regs_num == 0)
188 return 0;
189
190 nodata_num = HCLGE_32_BIT_DESC_NODATA_LEN;
191 cmd_num = DIV_ROUND_UP(regs_num + nodata_num,
192 HCLGE_32_BIT_REG_RTN_DATANUM);
193 desc = kcalloc(cmd_num, sizeof(struct hclge_desc), GFP_KERNEL);
194 if (!desc)
195 return -ENOMEM;
196
197 hclge_cmd_setup_basic_desc(&desc[0], HCLGE_OPC_QUERY_32_BIT_REG, true);
198 ret = hclge_cmd_send(&hdev->hw, desc, cmd_num);
199 if (ret) {
200 dev_err(&hdev->pdev->dev,
201 "Query 32 bit register cmd failed, ret = %d.\n", ret);
202 kfree(desc);
203 return ret;
204 }
205
206 for (i = 0; i < cmd_num; i++) {
207 if (i == 0) {
208 desc_data = (__le32 *)(&desc[i].data[0]);
209 n = HCLGE_32_BIT_REG_RTN_DATANUM - nodata_num;
210 } else {
211 desc_data = (__le32 *)(&desc[i]);
212 n = HCLGE_32_BIT_REG_RTN_DATANUM;
213 }
214 for (k = 0; k < n; k++) {
215 *reg_val++ = le32_to_cpu(*desc_data++);
216
217 regs_num--;
218 if (!regs_num)
219 break;
220 }
221 }
222
223 kfree(desc);
224 return 0;
225 }
226
hclge_get_64_bit_regs(struct hclge_dev * hdev,u32 regs_num,void * data)227 static int hclge_get_64_bit_regs(struct hclge_dev *hdev, u32 regs_num,
228 void *data)
229 {
230 #define HCLGE_64_BIT_REG_RTN_DATANUM 4
231 #define HCLGE_64_BIT_DESC_NODATA_LEN 1
232
233 struct hclge_desc *desc;
234 u64 *reg_val = data;
235 __le64 *desc_data;
236 int nodata_len;
237 int cmd_num;
238 int i, k, n;
239 int ret;
240
241 if (regs_num == 0)
242 return 0;
243
244 nodata_len = HCLGE_64_BIT_DESC_NODATA_LEN;
245 cmd_num = DIV_ROUND_UP(regs_num + nodata_len,
246 HCLGE_64_BIT_REG_RTN_DATANUM);
247 desc = kcalloc(cmd_num, sizeof(struct hclge_desc), GFP_KERNEL);
248 if (!desc)
249 return -ENOMEM;
250
251 hclge_cmd_setup_basic_desc(&desc[0], HCLGE_OPC_QUERY_64_BIT_REG, true);
252 ret = hclge_cmd_send(&hdev->hw, desc, cmd_num);
253 if (ret) {
254 dev_err(&hdev->pdev->dev,
255 "Query 64 bit register cmd failed, ret = %d.\n", ret);
256 kfree(desc);
257 return ret;
258 }
259
260 for (i = 0; i < cmd_num; i++) {
261 if (i == 0) {
262 desc_data = (__le64 *)(&desc[i].data[0]);
263 n = HCLGE_64_BIT_REG_RTN_DATANUM - nodata_len;
264 } else {
265 desc_data = (__le64 *)(&desc[i]);
266 n = HCLGE_64_BIT_REG_RTN_DATANUM;
267 }
268 for (k = 0; k < n; k++) {
269 *reg_val++ = le64_to_cpu(*desc_data++);
270
271 regs_num--;
272 if (!regs_num)
273 break;
274 }
275 }
276
277 kfree(desc);
278 return 0;
279 }
280
hclge_query_bd_num_cmd_send(struct hclge_dev * hdev,struct hclge_desc * desc)281 int hclge_query_bd_num_cmd_send(struct hclge_dev *hdev, struct hclge_desc *desc)
282 {
283 int i;
284
285 /* initialize command BD except the last one */
286 for (i = 0; i < HCLGE_GET_DFX_REG_TYPE_CNT - 1; i++) {
287 hclge_cmd_setup_basic_desc(&desc[i], HCLGE_OPC_DFX_BD_NUM,
288 true);
289 desc[i].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
290 }
291
292 /* initialize the last command BD */
293 hclge_cmd_setup_basic_desc(&desc[i], HCLGE_OPC_DFX_BD_NUM, true);
294
295 return hclge_cmd_send(&hdev->hw, desc, HCLGE_GET_DFX_REG_TYPE_CNT);
296 }
297
hclge_get_dfx_reg_bd_num(struct hclge_dev * hdev,int * bd_num_list,u32 type_num)298 static int hclge_get_dfx_reg_bd_num(struct hclge_dev *hdev,
299 int *bd_num_list,
300 u32 type_num)
301 {
302 u32 entries_per_desc, desc_index, index, offset, i;
303 struct hclge_desc desc[HCLGE_GET_DFX_REG_TYPE_CNT];
304 int ret;
305
306 ret = hclge_query_bd_num_cmd_send(hdev, desc);
307 if (ret) {
308 dev_err(&hdev->pdev->dev,
309 "Get dfx bd num fail, status is %d.\n", ret);
310 return ret;
311 }
312
313 entries_per_desc = ARRAY_SIZE(desc[0].data);
314 for (i = 0; i < type_num; i++) {
315 offset = hclge_dfx_bd_offset_list[i];
316 index = offset % entries_per_desc;
317 desc_index = offset / entries_per_desc;
318 bd_num_list[i] = le32_to_cpu(desc[desc_index].data[index]);
319 }
320
321 return ret;
322 }
323
hclge_dfx_reg_cmd_send(struct hclge_dev * hdev,struct hclge_desc * desc_src,int bd_num,enum hclge_opcode_type cmd)324 static int hclge_dfx_reg_cmd_send(struct hclge_dev *hdev,
325 struct hclge_desc *desc_src, int bd_num,
326 enum hclge_opcode_type cmd)
327 {
328 struct hclge_desc *desc = desc_src;
329 int i, ret;
330
331 hclge_cmd_setup_basic_desc(desc, cmd, true);
332 for (i = 0; i < bd_num - 1; i++) {
333 desc->flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
334 desc++;
335 hclge_cmd_setup_basic_desc(desc, cmd, true);
336 }
337
338 desc = desc_src;
339 ret = hclge_cmd_send(&hdev->hw, desc, bd_num);
340 if (ret)
341 dev_err(&hdev->pdev->dev,
342 "Query dfx reg cmd(0x%x) send fail, status is %d.\n",
343 cmd, ret);
344
345 return ret;
346 }
347
348 /* tnl_id = 0 means get sum of all tnl reg's value */
hclge_dfx_reg_rpu_tnl_cmd_send(struct hclge_dev * hdev,u32 tnl_id,struct hclge_desc * desc,int bd_num)349 static int hclge_dfx_reg_rpu_tnl_cmd_send(struct hclge_dev *hdev, u32 tnl_id,
350 struct hclge_desc *desc, int bd_num)
351 {
352 int i, ret;
353
354 for (i = 0; i < bd_num; i++) {
355 hclge_cmd_setup_basic_desc(&desc[i], HCLGE_OPC_DFX_RPU_REG_0,
356 true);
357 if (i != bd_num - 1)
358 desc[i].flag |= cpu_to_le16(HCLGE_COMM_CMD_FLAG_NEXT);
359 }
360
361 desc[0].data[0] = cpu_to_le32(tnl_id);
362 ret = hclge_cmd_send(&hdev->hw, desc, bd_num);
363 if (ret)
364 dev_err(&hdev->pdev->dev,
365 "failed to query dfx rpu tnl reg, ret = %d\n",
366 ret);
367 return ret;
368 }
369
hclge_dfx_reg_fetch_data(struct hclge_desc * desc_src,int bd_num,void * data)370 static int hclge_dfx_reg_fetch_data(struct hclge_desc *desc_src, int bd_num,
371 void *data)
372 {
373 int entries_per_desc, reg_num, desc_index, index, i;
374 struct hclge_desc *desc = desc_src;
375 u32 *reg = data;
376
377 entries_per_desc = ARRAY_SIZE(desc->data);
378 reg_num = entries_per_desc * bd_num;
379 for (i = 0; i < reg_num; i++) {
380 index = i % entries_per_desc;
381 desc_index = i / entries_per_desc;
382 *reg++ = le32_to_cpu(desc[desc_index].data[index]);
383 }
384
385 return reg_num;
386 }
387
hclge_get_dfx_reg_len(struct hclge_dev * hdev,int * len)388 static int hclge_get_dfx_reg_len(struct hclge_dev *hdev, int *len)
389 {
390 u32 dfx_reg_type_num = ARRAY_SIZE(hclge_dfx_bd_offset_list);
391 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
392 int data_len_per_desc;
393 int *bd_num_list;
394 int ret;
395 u32 i;
396
397 bd_num_list = kcalloc(dfx_reg_type_num, sizeof(int), GFP_KERNEL);
398 if (!bd_num_list)
399 return -ENOMEM;
400
401 ret = hclge_get_dfx_reg_bd_num(hdev, bd_num_list, dfx_reg_type_num);
402 if (ret) {
403 dev_err(&hdev->pdev->dev,
404 "Get dfx reg bd num fail, status is %d.\n", ret);
405 goto out;
406 }
407
408 data_len_per_desc = sizeof_field(struct hclge_desc, data);
409 *len = 0;
410 for (i = 0; i < dfx_reg_type_num; i++)
411 *len += bd_num_list[i] * data_len_per_desc + HCLGE_REG_TLV_SIZE;
412
413 /**
414 * the num of dfx_rpu_0 is reused by each dfx_rpu_tnl
415 * HCLGE_DFX_BD_OFFSET is starting at 1, but the array subscript is
416 * starting at 0, so offset need '- 1'.
417 */
418 *len += (bd_num_list[HCLGE_DFX_RPU_0_BD_OFFSET - 1] * data_len_per_desc +
419 HCLGE_REG_TLV_SIZE) * ae_dev->dev_specs.tnl_num;
420
421 out:
422 kfree(bd_num_list);
423 return ret;
424 }
425
hclge_get_dfx_rpu_tnl_reg(struct hclge_dev * hdev,u32 * reg,struct hclge_desc * desc_src,int bd_num)426 static int hclge_get_dfx_rpu_tnl_reg(struct hclge_dev *hdev, u32 *reg,
427 struct hclge_desc *desc_src,
428 int bd_num)
429 {
430 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
431 int ret = 0;
432 u8 i;
433
434 for (i = HCLGE_REG_RPU_TNL_ID_0; i <= ae_dev->dev_specs.tnl_num; i++) {
435 ret = hclge_dfx_reg_rpu_tnl_cmd_send(hdev, i, desc_src, bd_num);
436 if (ret)
437 break;
438
439 reg += hclge_reg_get_tlv(HCLGE_REG_TAG_RPU_TNL,
440 ARRAY_SIZE(desc_src->data) * bd_num,
441 reg);
442 reg += hclge_dfx_reg_fetch_data(desc_src, bd_num, reg);
443 }
444
445 return ret;
446 }
447
hclge_get_dfx_reg(struct hclge_dev * hdev,void * data)448 static int hclge_get_dfx_reg(struct hclge_dev *hdev, void *data)
449 {
450 u32 dfx_reg_type_num = ARRAY_SIZE(hclge_dfx_bd_offset_list);
451 int bd_num, bd_num_max, buf_len;
452 struct hclge_desc *desc_src;
453 int *bd_num_list;
454 u32 *reg = data;
455 int ret;
456 u32 i;
457
458 bd_num_list = kcalloc(dfx_reg_type_num, sizeof(int), GFP_KERNEL);
459 if (!bd_num_list)
460 return -ENOMEM;
461
462 ret = hclge_get_dfx_reg_bd_num(hdev, bd_num_list, dfx_reg_type_num);
463 if (ret) {
464 dev_err(&hdev->pdev->dev,
465 "Get dfx reg bd num fail, status is %d.\n", ret);
466 goto out;
467 }
468
469 bd_num_max = bd_num_list[0];
470 for (i = 1; i < dfx_reg_type_num; i++)
471 bd_num_max = max_t(int, bd_num_max, bd_num_list[i]);
472
473 buf_len = sizeof(*desc_src) * bd_num_max;
474 desc_src = kzalloc(buf_len, GFP_KERNEL);
475 if (!desc_src) {
476 ret = -ENOMEM;
477 goto out;
478 }
479
480 for (i = 0; i < dfx_reg_type_num; i++) {
481 bd_num = bd_num_list[i];
482 ret = hclge_dfx_reg_cmd_send(hdev, desc_src, bd_num,
483 hclge_dfx_reg_opcode_list[i]);
484 if (ret) {
485 dev_err(&hdev->pdev->dev,
486 "Get dfx reg fail, status is %d.\n", ret);
487 goto free;
488 }
489
490 reg += hclge_reg_get_tlv(HCLGE_REG_TAG_DFX_BIOS_COMMON + i,
491 ARRAY_SIZE(desc_src->data) * bd_num,
492 reg);
493 reg += hclge_dfx_reg_fetch_data(desc_src, bd_num, reg);
494 }
495
496 /**
497 * HCLGE_DFX_BD_OFFSET is starting at 1, but the array subscript is
498 * starting at 0, so offset need '- 1'.
499 */
500 bd_num = bd_num_list[HCLGE_DFX_RPU_0_BD_OFFSET - 1];
501 ret = hclge_get_dfx_rpu_tnl_reg(hdev, reg, desc_src, bd_num);
502
503 free:
504 kfree(desc_src);
505 out:
506 kfree(bd_num_list);
507 return ret;
508 }
509
hclge_fetch_pf_reg(struct hclge_dev * hdev,void * data,struct hnae3_knic_private_info * kinfo)510 static int hclge_fetch_pf_reg(struct hclge_dev *hdev, void *data,
511 struct hnae3_knic_private_info *kinfo)
512 {
513 #define HCLGE_RING_REG_OFFSET 0x200
514 #define HCLGE_RING_INT_REG_OFFSET 0x4
515
516 int i, j, reg_num;
517 int data_num_sum;
518 u32 *reg = data;
519
520 /* fetching per-PF registers valus from PF PCIe register space */
521 reg_num = ARRAY_SIZE(cmdq_reg_addr_list);
522 reg += hclge_reg_get_tlv(HCLGE_REG_TAG_CMDQ, reg_num, reg);
523 for (i = 0; i < reg_num; i++)
524 *reg++ = hclge_read_dev(&hdev->hw, cmdq_reg_addr_list[i]);
525 data_num_sum = reg_num + HCLGE_REG_TLV_SPACE;
526
527 reg_num = ARRAY_SIZE(common_reg_addr_list);
528 reg += hclge_reg_get_tlv(HCLGE_REG_TAG_COMMON, reg_num, reg);
529 for (i = 0; i < reg_num; i++)
530 *reg++ = hclge_read_dev(&hdev->hw, common_reg_addr_list[i]);
531 data_num_sum += reg_num + HCLGE_REG_TLV_SPACE;
532
533 reg_num = ARRAY_SIZE(ring_reg_addr_list);
534 for (j = 0; j < kinfo->num_tqps; j++) {
535 reg += hclge_reg_get_tlv(HCLGE_REG_TAG_RING, reg_num, reg);
536 for (i = 0; i < reg_num; i++)
537 *reg++ = hclge_read_dev(&hdev->hw,
538 ring_reg_addr_list[i] +
539 HCLGE_RING_REG_OFFSET * j);
540 }
541 data_num_sum += (reg_num + HCLGE_REG_TLV_SPACE) * kinfo->num_tqps;
542
543 reg_num = ARRAY_SIZE(tqp_intr_reg_addr_list);
544 for (j = 0; j < hdev->num_msi_used - 1; j++) {
545 reg += hclge_reg_get_tlv(HCLGE_REG_TAG_TQP_INTR, reg_num, reg);
546 for (i = 0; i < reg_num; i++)
547 *reg++ = hclge_read_dev(&hdev->hw,
548 tqp_intr_reg_addr_list[i] +
549 HCLGE_RING_INT_REG_OFFSET * j);
550 }
551 data_num_sum += (reg_num + HCLGE_REG_TLV_SPACE) *
552 (hdev->num_msi_used - 1);
553
554 return data_num_sum;
555 }
556
hclge_get_regs_num(struct hclge_dev * hdev,u32 * regs_num_32_bit,u32 * regs_num_64_bit)557 static int hclge_get_regs_num(struct hclge_dev *hdev, u32 *regs_num_32_bit,
558 u32 *regs_num_64_bit)
559 {
560 struct hclge_desc desc;
561 u32 total_num;
562 int ret;
563
564 hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_QUERY_REG_NUM, true);
565 ret = hclge_cmd_send(&hdev->hw, &desc, 1);
566 if (ret) {
567 dev_err(&hdev->pdev->dev,
568 "Query register number cmd failed, ret = %d.\n", ret);
569 return ret;
570 }
571
572 *regs_num_32_bit = le32_to_cpu(desc.data[0]);
573 *regs_num_64_bit = le32_to_cpu(desc.data[1]);
574
575 total_num = *regs_num_32_bit + *regs_num_64_bit;
576 if (!total_num)
577 return -EINVAL;
578
579 return 0;
580 }
581
hclge_get_regs_len(struct hnae3_handle * handle)582 int hclge_get_regs_len(struct hnae3_handle *handle)
583 {
584 struct hnae3_knic_private_info *kinfo = &handle->kinfo;
585 struct hclge_vport *vport = hclge_get_vport(handle);
586 int regs_num_32_bit, regs_num_64_bit, dfx_regs_len;
587 int cmdq_len, common_len, ring_len, tqp_intr_len;
588 int regs_len_32_bit, regs_len_64_bit;
589 struct hclge_dev *hdev = vport->back;
590 int ret;
591
592 ret = hclge_get_regs_num(hdev, ®s_num_32_bit, ®s_num_64_bit);
593 if (ret) {
594 dev_err(&hdev->pdev->dev,
595 "Get register number failed, ret = %d.\n", ret);
596 return ret;
597 }
598
599 ret = hclge_get_dfx_reg_len(hdev, &dfx_regs_len);
600 if (ret) {
601 dev_err(&hdev->pdev->dev,
602 "Get dfx reg len failed, ret = %d.\n", ret);
603 return ret;
604 }
605
606 cmdq_len = HCLGE_REG_TLV_SIZE + sizeof(cmdq_reg_addr_list);
607 common_len = HCLGE_REG_TLV_SIZE + sizeof(common_reg_addr_list);
608 ring_len = HCLGE_REG_TLV_SIZE + sizeof(ring_reg_addr_list);
609 tqp_intr_len = HCLGE_REG_TLV_SIZE + sizeof(tqp_intr_reg_addr_list);
610 regs_len_32_bit = HCLGE_REG_TLV_SIZE + regs_num_32_bit * sizeof(u32);
611 regs_len_64_bit = HCLGE_REG_TLV_SIZE + regs_num_64_bit * sizeof(u64);
612
613 /* return the total length of all register values */
614 return HCLGE_REG_HEADER_SIZE + cmdq_len + common_len + ring_len *
615 kinfo->num_tqps + tqp_intr_len * (hdev->num_msi_used - 1) +
616 regs_len_32_bit + regs_len_64_bit + dfx_regs_len;
617 }
618
hclge_get_regs(struct hnae3_handle * handle,u32 * version,void * data)619 void hclge_get_regs(struct hnae3_handle *handle, u32 *version,
620 void *data)
621 {
622 #define HCLGE_REG_64_BIT_SPACE_MULTIPLE 2
623
624 struct hnae3_knic_private_info *kinfo = &handle->kinfo;
625 struct hclge_vport *vport = hclge_get_vport(handle);
626 struct hclge_dev *hdev = vport->back;
627 u32 regs_num_32_bit, regs_num_64_bit;
628 u32 *reg = data;
629 int ret;
630
631 *version = hdev->fw_version;
632
633 ret = hclge_get_regs_num(hdev, ®s_num_32_bit, ®s_num_64_bit);
634 if (ret) {
635 dev_err(&hdev->pdev->dev,
636 "Get register number failed, ret = %d.\n", ret);
637 return;
638 }
639
640 reg += hclge_reg_get_header(reg);
641 reg += hclge_fetch_pf_reg(hdev, reg, kinfo);
642
643 reg += hclge_reg_get_tlv(HCLGE_REG_TAG_QUERY_32_BIT,
644 regs_num_32_bit, reg);
645 ret = hclge_get_32_bit_regs(hdev, regs_num_32_bit, reg);
646 if (ret) {
647 dev_err(&hdev->pdev->dev,
648 "Get 32 bit register failed, ret = %d.\n", ret);
649 return;
650 }
651 reg += regs_num_32_bit;
652
653 reg += hclge_reg_get_tlv(HCLGE_REG_TAG_QUERY_64_BIT,
654 regs_num_64_bit *
655 HCLGE_REG_64_BIT_SPACE_MULTIPLE, reg);
656 ret = hclge_get_64_bit_regs(hdev, regs_num_64_bit, reg);
657 if (ret) {
658 dev_err(&hdev->pdev->dev,
659 "Get 64 bit register failed, ret = %d.\n", ret);
660 return;
661 }
662 reg += regs_num_64_bit * HCLGE_REG_64_BIT_SPACE_MULTIPLE;
663
664 ret = hclge_get_dfx_reg(hdev, reg);
665 if (ret)
666 dev_err(&hdev->pdev->dev,
667 "Get dfx register failed, ret = %d.\n", ret);
668 }
669