xref: /freebsd/sys/dev/cxgbe/cudbg/cudbg_lib.c (revision fa50a3552d1e759e1bb65e54cb0b7e863bcf54d5)
1 /*-
2  * Copyright (c) 2017 Chelsio Communications, Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include <sys/types.h>
31 #include <sys/param.h>
32 
33 #include "common/common.h"
34 #include "common/t4_regs.h"
35 #include "cudbg.h"
36 #include "cudbg_lib_common.h"
37 #include "cudbg_lib.h"
38 #include "cudbg_entity.h"
39 #define  BUFFER_WARN_LIMIT 10000000
40 
41 struct large_entity large_entity_list[] = {
42 	{CUDBG_EDC0, 0, 0},
43 	{CUDBG_EDC1, 0 , 0},
44 	{CUDBG_MC0, 0, 0},
45 	{CUDBG_MC1, 0, 0}
46 };
47 
48 static int is_fw_attached(struct cudbg_init *pdbg_init)
49 {
50 
51 	return (pdbg_init->adap->flags & FW_OK);
52 }
53 
54 /* This function will add additional padding bytes into debug_buffer to make it
55  * 4 byte aligned.*/
56 static void align_debug_buffer(struct cudbg_buffer *dbg_buff,
57 			struct cudbg_entity_hdr *entity_hdr)
58 {
59 	u8 zero_buf[4] = {0};
60 	u8 padding, remain;
61 
62 	remain = (dbg_buff->offset - entity_hdr->start_offset) % 4;
63 	padding = 4 - remain;
64 	if (remain) {
65 		memcpy(((u8 *) dbg_buff->data) + dbg_buff->offset, &zero_buf,
66 		       padding);
67 		dbg_buff->offset += padding;
68 		entity_hdr->num_pad = padding;
69 	}
70 
71 	entity_hdr->size = dbg_buff->offset - entity_hdr->start_offset;
72 }
73 
74 static void read_sge_ctxt(struct cudbg_init *pdbg_init, u32 cid,
75 			  enum ctxt_type ctype, u32 *data)
76 {
77 	struct adapter *padap = pdbg_init->adap;
78 	int rc = -1;
79 
80 	if (is_fw_attached(pdbg_init)) {
81 		rc = begin_synchronized_op(padap, NULL, SLEEP_OK | INTR_OK,
82 		    "t4cudf");
83 		if (rc != 0)
84 			goto out;
85 		rc = t4_sge_ctxt_rd(padap, padap->mbox, cid, ctype,
86 				    data);
87 		end_synchronized_op(padap, 0);
88 	}
89 
90 out:
91 	if (rc)
92 		t4_sge_ctxt_rd_bd(padap, cid, ctype, data);
93 }
94 
95 static int get_next_ext_entity_hdr(void *outbuf, u32 *ext_size,
96 			    struct cudbg_buffer *dbg_buff,
97 			    struct cudbg_entity_hdr **entity_hdr)
98 {
99 	struct cudbg_hdr *cudbg_hdr = (struct cudbg_hdr *)outbuf;
100 	int rc = 0;
101 	u32 ext_offset = cudbg_hdr->data_len;
102 	*ext_size = 0;
103 
104 	if (dbg_buff->size - dbg_buff->offset <=
105 		 sizeof(struct cudbg_entity_hdr)) {
106 		rc = CUDBG_STATUS_BUFFER_SHORT;
107 		goto err;
108 	}
109 
110 	*entity_hdr = (struct cudbg_entity_hdr *)
111 		       ((char *)outbuf + cudbg_hdr->data_len);
112 
113 	/* Find the last extended entity header */
114 	while ((*entity_hdr)->size) {
115 
116 		ext_offset += sizeof(struct cudbg_entity_hdr) +
117 				     (*entity_hdr)->size;
118 
119 		*ext_size += (*entity_hdr)->size +
120 			      sizeof(struct cudbg_entity_hdr);
121 
122 		if (dbg_buff->size - dbg_buff->offset + *ext_size  <=
123 			sizeof(struct cudbg_entity_hdr)) {
124 			rc = CUDBG_STATUS_BUFFER_SHORT;
125 			goto err;
126 		}
127 
128 		if (ext_offset != (*entity_hdr)->next_ext_offset) {
129 			ext_offset -= sizeof(struct cudbg_entity_hdr) +
130 				     (*entity_hdr)->size;
131 			break;
132 		}
133 
134 		(*entity_hdr)->next_ext_offset = *ext_size;
135 
136 		*entity_hdr = (struct cudbg_entity_hdr *)
137 					   ((char *)outbuf +
138 					   ext_offset);
139 	}
140 
141 	/* update the data offset */
142 	dbg_buff->offset = ext_offset;
143 err:
144 	return rc;
145 }
146 
147 static int wr_entity_to_flash(void *handle, struct cudbg_buffer *dbg_buff,
148 		       u32 cur_entity_data_offset,
149 		       u32 cur_entity_size,
150 		       int entity_nu, u32 ext_size)
151 {
152 	struct cudbg_private *priv = handle;
153 	struct cudbg_init *cudbg_init = &priv->dbg_init;
154 	struct cudbg_flash_sec_info *sec_info = &priv->sec_info;
155 	u64 timestamp;
156 	u32 cur_entity_hdr_offset = sizeof(struct cudbg_hdr);
157 	u32 remain_flash_size;
158 	u32 flash_data_offset;
159 	u32 data_hdr_size;
160 	int rc = -1;
161 
162 	data_hdr_size = CUDBG_MAX_ENTITY * sizeof(struct cudbg_entity_hdr) +
163 			sizeof(struct cudbg_hdr);
164 
165 	flash_data_offset = (FLASH_CUDBG_NSECS *
166 			     (sizeof(struct cudbg_flash_hdr) +
167 			      data_hdr_size)) +
168 			    (cur_entity_data_offset - data_hdr_size);
169 
170 	if (flash_data_offset > CUDBG_FLASH_SIZE) {
171 		update_skip_size(sec_info, cur_entity_size);
172 		if (cudbg_init->verbose)
173 			cudbg_init->print("Large entity skipping...\n");
174 		return rc;
175 	}
176 
177 	remain_flash_size = CUDBG_FLASH_SIZE - flash_data_offset;
178 
179 	if (cur_entity_size > remain_flash_size) {
180 		update_skip_size(sec_info, cur_entity_size);
181 		if (cudbg_init->verbose)
182 			cudbg_init->print("Large entity skipping...\n");
183 	} else {
184 		timestamp = 0;
185 
186 		cur_entity_hdr_offset +=
187 			(sizeof(struct cudbg_entity_hdr) *
188 			(entity_nu - 1));
189 
190 		rc = cudbg_write_flash(handle, timestamp, dbg_buff,
191 				       cur_entity_data_offset,
192 				       cur_entity_hdr_offset,
193 				       cur_entity_size,
194 				       ext_size);
195 		if (rc == CUDBG_STATUS_FLASH_FULL && cudbg_init->verbose)
196 			cudbg_init->print("\n\tFLASH is full... "
197 				"can not write in flash more\n\n");
198 	}
199 
200 	return rc;
201 }
202 
203 int cudbg_collect(void *handle, void *outbuf, u32 *outbuf_size)
204 {
205 	struct cudbg_entity_hdr *entity_hdr = NULL;
206 	struct cudbg_entity_hdr *ext_entity_hdr = NULL;
207 	struct cudbg_hdr *cudbg_hdr;
208 	struct cudbg_buffer dbg_buff;
209 	struct cudbg_error cudbg_err = {0};
210 	int large_entity_code;
211 
212 	u8 *dbg_bitmap = ((struct cudbg_private *)handle)->dbg_init.dbg_bitmap;
213 	struct cudbg_init *cudbg_init =
214 		&(((struct cudbg_private *)handle)->dbg_init);
215 	struct adapter *padap = cudbg_init->adap;
216 	u32 total_size, remaining_buf_size;
217 	u32 ext_size = 0;
218 	int index, bit, i, rc = -1;
219 	int all;
220 	bool flag_ext = 0;
221 
222 	reset_skip_entity();
223 
224 	dbg_buff.data = outbuf;
225 	dbg_buff.size = *outbuf_size;
226 	dbg_buff.offset = 0;
227 
228 	cudbg_hdr = (struct cudbg_hdr *)dbg_buff.data;
229 	cudbg_hdr->signature = CUDBG_SIGNATURE;
230 	cudbg_hdr->hdr_len = sizeof(struct cudbg_hdr);
231 	cudbg_hdr->major_ver = CUDBG_MAJOR_VERSION;
232 	cudbg_hdr->minor_ver = CUDBG_MINOR_VERSION;
233 	cudbg_hdr->max_entities = CUDBG_MAX_ENTITY;
234 	cudbg_hdr->chip_ver = padap->params.chipid;
235 
236 	if (cudbg_hdr->data_len)
237 		flag_ext = 1;
238 
239 	if (cudbg_init->use_flash) {
240 #ifndef notyet
241 		rc = t4_get_flash_params(padap);
242 		if (rc) {
243 			if (cudbg_init->verbose)
244 				cudbg_init->print("\nGet flash params failed.\n\n");
245 			cudbg_init->use_flash = 0;
246 		}
247 #endif
248 
249 #ifdef notyet
250 		/* Timestamp is mandatory. If it is not passed then disable
251 		 * flash support
252 		 */
253 		if (!cudbg_init->dbg_params[CUDBG_TIMESTAMP_PARAM].u.time) {
254 			if (cudbg_init->verbose)
255 				cudbg_init->print("\nTimestamp param missing,"
256 					  "so ignoring flash write request\n\n");
257 			cudbg_init->use_flash = 0;
258 		}
259 #endif
260 	}
261 
262 	if (sizeof(struct cudbg_entity_hdr) * CUDBG_MAX_ENTITY >
263 	    dbg_buff.size) {
264 		rc = CUDBG_STATUS_SMALL_BUFF;
265 		total_size = cudbg_hdr->hdr_len;
266 		goto err;
267 	}
268 
269 	/* If ext flag is set then move the offset to the end of the buf
270 	 * so that we can add ext entities
271 	 */
272 	if (flag_ext) {
273 		ext_entity_hdr = (struct cudbg_entity_hdr *)
274 			      ((char *)outbuf + cudbg_hdr->hdr_len +
275 			      (sizeof(struct cudbg_entity_hdr) *
276 			      (CUDBG_EXT_ENTITY - 1)));
277 		ext_entity_hdr->start_offset = cudbg_hdr->data_len;
278 		ext_entity_hdr->entity_type = CUDBG_EXT_ENTITY;
279 		ext_entity_hdr->size = 0;
280 		dbg_buff.offset = cudbg_hdr->data_len;
281 	} else {
282 		dbg_buff.offset += cudbg_hdr->hdr_len; /* move 24 bytes*/
283 		dbg_buff.offset += CUDBG_MAX_ENTITY *
284 					sizeof(struct cudbg_entity_hdr);
285 	}
286 
287 	total_size = dbg_buff.offset;
288 	all = dbg_bitmap[0] & (1 << CUDBG_ALL);
289 
290 	/*sort(large_entity_list);*/
291 
292 	for (i = 1; i < CUDBG_MAX_ENTITY; i++) {
293 		index = i / 8;
294 		bit = i % 8;
295 
296 		if (entity_list[i].bit == CUDBG_EXT_ENTITY)
297 			continue;
298 
299 		if (all || (dbg_bitmap[index] & (1 << bit))) {
300 
301 			if (!flag_ext) {
302 				rc = get_entity_hdr(outbuf, i, dbg_buff.size,
303 						    &entity_hdr);
304 				if (rc)
305 					cudbg_hdr->hdr_flags = rc;
306 			} else {
307 				rc = get_next_ext_entity_hdr(outbuf, &ext_size,
308 							     &dbg_buff,
309 							     &entity_hdr);
310 				if (rc)
311 					goto err;
312 
313 				/* move the offset after the ext header */
314 				dbg_buff.offset +=
315 					sizeof(struct cudbg_entity_hdr);
316 			}
317 
318 			entity_hdr->entity_type = i;
319 			entity_hdr->start_offset = dbg_buff.offset;
320 			/* process each entity by calling process_entity fp */
321 			remaining_buf_size = dbg_buff.size - dbg_buff.offset;
322 
323 			if ((remaining_buf_size <= BUFFER_WARN_LIMIT) &&
324 			    is_large_entity(i)) {
325 				if (cudbg_init->verbose)
326 					cudbg_init->print("Skipping %s\n",
327 					    entity_list[i].name);
328 				skip_entity(i);
329 				continue;
330 			} else {
331 
332 				/* If fw_attach is 0, then skip entities which
333 				 * communicates with firmware
334 				 */
335 
336 				if (!is_fw_attached(cudbg_init) &&
337 				    (entity_list[i].flag &
338 				    (1 << ENTITY_FLAG_FW_NO_ATTACH))) {
339 					if (cudbg_init->verbose)
340 						cudbg_init->print("Skipping %s entity,"\
341 							  "because fw_attach "\
342 							  "is 0\n",
343 							  entity_list[i].name);
344 					continue;
345 				}
346 
347 				if (cudbg_init->verbose)
348 					cudbg_init->print("collecting debug entity: "\
349 						  "%s\n", entity_list[i].name);
350 				memset(&cudbg_err, 0,
351 				       sizeof(struct cudbg_error));
352 				rc = process_entity[i-1](cudbg_init, &dbg_buff,
353 							 &cudbg_err);
354 			}
355 
356 			if (rc) {
357 				entity_hdr->size = 0;
358 				dbg_buff.offset = entity_hdr->start_offset;
359 			} else
360 				align_debug_buffer(&dbg_buff, entity_hdr);
361 
362 			if (cudbg_err.sys_err)
363 				rc = CUDBG_SYSTEM_ERROR;
364 
365 			entity_hdr->hdr_flags =  rc;
366 			entity_hdr->sys_err = cudbg_err.sys_err;
367 			entity_hdr->sys_warn =	cudbg_err.sys_warn;
368 
369 			/* We don't want to include ext entity size in global
370 			 * header
371 			 */
372 			if (!flag_ext)
373 				total_size += entity_hdr->size;
374 
375 			cudbg_hdr->data_len = total_size;
376 			*outbuf_size = total_size;
377 
378 			/* consider the size of the ext entity header and data
379 			 * also
380 			 */
381 			if (flag_ext) {
382 				ext_size += (sizeof(struct cudbg_entity_hdr) +
383 					     entity_hdr->size);
384 				entity_hdr->start_offset -= cudbg_hdr->data_len;
385 				ext_entity_hdr->size = ext_size;
386 				entity_hdr->next_ext_offset = ext_size;
387 				entity_hdr->flag |= CUDBG_EXT_DATA_VALID;
388 			}
389 
390 			if (cudbg_init->use_flash) {
391 				if (flag_ext) {
392 					wr_entity_to_flash(handle,
393 							   &dbg_buff,
394 							   ext_entity_hdr->
395 							   start_offset,
396 							   entity_hdr->
397 							   size,
398 							   CUDBG_EXT_ENTITY,
399 							   ext_size);
400 				}
401 				else
402 					wr_entity_to_flash(handle,
403 							   &dbg_buff,
404 							   entity_hdr->\
405 							   start_offset,
406 							   entity_hdr->size,
407 							   i, ext_size);
408 			}
409 		}
410 	}
411 
412 	for (i = 0; i < sizeof(large_entity_list) / sizeof(struct large_entity);
413 	     i++) {
414 		large_entity_code = large_entity_list[i].entity_code;
415 		if (large_entity_list[i].skip_flag) {
416 			if (!flag_ext) {
417 				rc = get_entity_hdr(outbuf, large_entity_code,
418 						    dbg_buff.size, &entity_hdr);
419 				if (rc)
420 					cudbg_hdr->hdr_flags = rc;
421 			} else {
422 				rc = get_next_ext_entity_hdr(outbuf, &ext_size,
423 							     &dbg_buff,
424 							     &entity_hdr);
425 				if (rc)
426 					goto err;
427 
428 				dbg_buff.offset +=
429 					sizeof(struct cudbg_entity_hdr);
430 			}
431 
432 			/* If fw_attach is 0, then skip entities which
433 			 * communicates with firmware
434 			 */
435 			if (!is_fw_attached(cudbg_init) &&
436 			    (entity_list[large_entity_code].flag &
437 			    (1 << ENTITY_FLAG_FW_NO_ATTACH))) {
438 				if (cudbg_init->verbose)
439 					cudbg_init->print("Skipping %s entity,"\
440 						  "because fw_attach "\
441 						  "is 0\n",
442 						  entity_list[large_entity_code]
443 						  .name);
444 				continue;
445 			}
446 
447 			entity_hdr->entity_type = large_entity_code;
448 			entity_hdr->start_offset = dbg_buff.offset;
449 			if (cudbg_init->verbose)
450 				cudbg_init->print("Re-trying debug entity: %s\n",
451 					  entity_list[large_entity_code].name);
452 
453 			memset(&cudbg_err, 0, sizeof(struct cudbg_error));
454 			rc = process_entity[large_entity_code - 1](cudbg_init,
455 								   &dbg_buff,
456 								   &cudbg_err);
457 			if (rc) {
458 				entity_hdr->size = 0;
459 				dbg_buff.offset = entity_hdr->start_offset;
460 			} else
461 				align_debug_buffer(&dbg_buff, entity_hdr);
462 
463 			if (cudbg_err.sys_err)
464 				rc = CUDBG_SYSTEM_ERROR;
465 
466 			entity_hdr->hdr_flags = rc;
467 			entity_hdr->sys_err = cudbg_err.sys_err;
468 			entity_hdr->sys_warn =	cudbg_err.sys_warn;
469 
470 			/* We don't want to include ext entity size in global
471 			 * header
472 			 */
473 			if (!flag_ext)
474 				total_size += entity_hdr->size;
475 
476 			cudbg_hdr->data_len = total_size;
477 			*outbuf_size = total_size;
478 
479 			/* consider the size of the ext entity header and
480 			 * data also
481 			 */
482 			if (flag_ext) {
483 				ext_size += (sizeof(struct cudbg_entity_hdr) +
484 						   entity_hdr->size);
485 				entity_hdr->start_offset -=
486 							cudbg_hdr->data_len;
487 				ext_entity_hdr->size = ext_size;
488 				entity_hdr->flag |= CUDBG_EXT_DATA_VALID;
489 			}
490 
491 			if (cudbg_init->use_flash) {
492 				if (flag_ext)
493 					wr_entity_to_flash(handle,
494 							   &dbg_buff,
495 							   ext_entity_hdr->
496 							   start_offset,
497 							   entity_hdr->size,
498 							   CUDBG_EXT_ENTITY,
499 							   ext_size);
500 				else
501 					wr_entity_to_flash(handle,
502 							   &dbg_buff,
503 							   entity_hdr->
504 							   start_offset,
505 							   entity_hdr->
506 							   size,
507 							   large_entity_list[i].
508 							   entity_code,
509 							   ext_size);
510 			}
511 		}
512 	}
513 
514 	cudbg_hdr->data_len = total_size;
515 	*outbuf_size = total_size;
516 
517 	if (flag_ext)
518 		*outbuf_size += ext_size;
519 
520 	return 0;
521 err:
522 	return rc;
523 }
524 
525 void reset_skip_entity(void)
526 {
527 	int i;
528 
529 	for (i = 0; i < ARRAY_SIZE(large_entity_list); i++)
530 		large_entity_list[i].skip_flag = 0;
531 }
532 
533 void skip_entity(int entity_code)
534 {
535 	int i;
536 	for (i = 0; i < sizeof(large_entity_list) / sizeof(struct large_entity);
537 	     i++) {
538 		if (large_entity_list[i].entity_code == entity_code)
539 			large_entity_list[i].skip_flag = 1;
540 	}
541 }
542 
543 int is_large_entity(int entity_code)
544 {
545 	int i;
546 
547 	for (i = 0; i < sizeof(large_entity_list) / sizeof(struct large_entity);
548 	     i++) {
549 		if (large_entity_list[i].entity_code == entity_code)
550 			return 1;
551 	}
552 	return 0;
553 }
554 
555 int get_entity_hdr(void *outbuf, int i, u32 size,
556 		   struct cudbg_entity_hdr **entity_hdr)
557 {
558 	int rc = 0;
559 	struct cudbg_hdr *cudbg_hdr = (struct cudbg_hdr *)outbuf;
560 
561 	if (cudbg_hdr->hdr_len + (sizeof(struct cudbg_entity_hdr)*i) > size)
562 		return CUDBG_STATUS_SMALL_BUFF;
563 
564 	*entity_hdr = (struct cudbg_entity_hdr *)
565 		      ((char *)outbuf+cudbg_hdr->hdr_len +
566 		       (sizeof(struct cudbg_entity_hdr)*(i-1)));
567 	return rc;
568 }
569 
570 static int collect_rss(struct cudbg_init *pdbg_init,
571 		       struct cudbg_buffer *dbg_buff,
572 		       struct cudbg_error *cudbg_err)
573 {
574 	struct adapter *padap = pdbg_init->adap;
575 	struct cudbg_buffer scratch_buff;
576 	u32 size;
577 	int rc = 0;
578 
579 	size = RSS_NENTRIES  * sizeof(u16);
580 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
581 	if (rc)
582 		goto err;
583 
584 	rc = t4_read_rss(padap, (u16 *)scratch_buff.data);
585 	if (rc) {
586 		if (pdbg_init->verbose)
587 			pdbg_init->print("%s(), t4_read_rss failed!, rc: %d\n",
588 				 __func__, rc);
589 		cudbg_err->sys_err = rc;
590 		goto err1;
591 	}
592 
593 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
594 	if (rc)
595 		goto err1;
596 
597 	rc = compress_buff(&scratch_buff, dbg_buff);
598 
599 err1:
600 	release_scratch_buff(&scratch_buff, dbg_buff);
601 err:
602 	return rc;
603 }
604 
605 static int collect_sw_state(struct cudbg_init *pdbg_init,
606 			    struct cudbg_buffer *dbg_buff,
607 			    struct cudbg_error *cudbg_err)
608 {
609 	struct adapter *padap = pdbg_init->adap;
610 	struct cudbg_buffer scratch_buff;
611 	struct sw_state *swstate;
612 	u32 size;
613 	int rc = 0;
614 
615 	size = sizeof(struct sw_state);
616 
617 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
618 	if (rc)
619 		goto err;
620 
621 	swstate = (struct sw_state *) scratch_buff.data;
622 
623 	swstate->fw_state = t4_read_reg(padap, A_PCIE_FW);
624 	snprintf(swstate->caller_string, sizeof(swstate->caller_string), "%s",
625 	    "FreeBSD");
626 	swstate->os_type = 0;
627 
628 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
629 	if (rc)
630 		goto err1;
631 
632 	rc = compress_buff(&scratch_buff, dbg_buff);
633 
634 err1:
635 	release_scratch_buff(&scratch_buff, dbg_buff);
636 err:
637 	return rc;
638 }
639 
640 static int collect_ddp_stats(struct cudbg_init *pdbg_init,
641 			     struct cudbg_buffer *dbg_buff,
642 			     struct cudbg_error *cudbg_err)
643 {
644 	struct adapter *padap = pdbg_init->adap;
645 	struct cudbg_buffer scratch_buff;
646 	struct tp_usm_stats  *tp_usm_stats_buff;
647 	u32 size;
648 	int rc = 0;
649 
650 	size = sizeof(struct tp_usm_stats);
651 
652 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
653 	if (rc)
654 		goto err;
655 
656 	tp_usm_stats_buff = (struct tp_usm_stats *) scratch_buff.data;
657 
658 	/* spin_lock(&padap->stats_lock);	TODO*/
659 	t4_get_usm_stats(padap, tp_usm_stats_buff, 1);
660 	/* spin_unlock(&padap->stats_lock);	TODO*/
661 
662 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
663 	if (rc)
664 		goto err1;
665 
666 	rc = compress_buff(&scratch_buff, dbg_buff);
667 
668 err1:
669 	release_scratch_buff(&scratch_buff, dbg_buff);
670 err:
671 	return rc;
672 }
673 
674 static int collect_ulptx_la(struct cudbg_init *pdbg_init,
675 			    struct cudbg_buffer *dbg_buff,
676 			    struct cudbg_error *cudbg_err)
677 {
678 	struct adapter *padap = pdbg_init->adap;
679 	struct cudbg_buffer scratch_buff;
680 	struct struct_ulptx_la *ulptx_la_buff;
681 	u32 size, i, j;
682 	int rc = 0;
683 
684 	size = sizeof(struct struct_ulptx_la);
685 
686 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
687 	if (rc)
688 		goto err;
689 
690 	ulptx_la_buff = (struct struct_ulptx_la *) scratch_buff.data;
691 
692 	for (i = 0; i < CUDBG_NUM_ULPTX; i++) {
693 		ulptx_la_buff->rdptr[i] = t4_read_reg(padap,
694 						      A_ULP_TX_LA_RDPTR_0 +
695 						      0x10 * i);
696 		ulptx_la_buff->wrptr[i] = t4_read_reg(padap,
697 						      A_ULP_TX_LA_WRPTR_0 +
698 						      0x10 * i);
699 		ulptx_la_buff->rddata[i] = t4_read_reg(padap,
700 						       A_ULP_TX_LA_RDDATA_0 +
701 						       0x10 * i);
702 		for (j = 0; j < CUDBG_NUM_ULPTX_READ; j++) {
703 			ulptx_la_buff->rd_data[i][j] =
704 				t4_read_reg(padap,
705 					    A_ULP_TX_LA_RDDATA_0 + 0x10 * i);
706 		}
707 	}
708 
709 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
710 	if (rc)
711 		goto err1;
712 
713 	rc = compress_buff(&scratch_buff, dbg_buff);
714 
715 err1:
716 	release_scratch_buff(&scratch_buff, dbg_buff);
717 err:
718 	return rc;
719 
720 }
721 
722 static int collect_ulprx_la(struct cudbg_init *pdbg_init,
723 			    struct cudbg_buffer *dbg_buff,
724 			    struct cudbg_error *cudbg_err)
725 {
726 	struct adapter *padap = pdbg_init->adap;
727 	struct cudbg_buffer scratch_buff;
728 	struct struct_ulprx_la *ulprx_la_buff;
729 	u32 size;
730 	int rc = 0;
731 
732 	size = sizeof(struct struct_ulprx_la);
733 
734 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
735 	if (rc)
736 		goto err;
737 
738 	ulprx_la_buff = (struct struct_ulprx_la *) scratch_buff.data;
739 	t4_ulprx_read_la(padap, (u32 *)ulprx_la_buff->data);
740 	ulprx_la_buff->size = ULPRX_LA_SIZE;
741 
742 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
743 	if (rc)
744 		goto err1;
745 
746 	rc = compress_buff(&scratch_buff, dbg_buff);
747 
748 err1:
749 	release_scratch_buff(&scratch_buff, dbg_buff);
750 err:
751 	return rc;
752 }
753 
754 static int collect_cpl_stats(struct cudbg_init *pdbg_init,
755 			     struct cudbg_buffer *dbg_buff,
756 			     struct cudbg_error *cudbg_err)
757 {
758 	struct adapter *padap = pdbg_init->adap;
759 	struct cudbg_buffer scratch_buff;
760 	struct struct_tp_cpl_stats *tp_cpl_stats_buff;
761 	u32 size;
762 	int rc = 0;
763 
764 	size = sizeof(struct struct_tp_cpl_stats);
765 
766 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
767 	if (rc)
768 		goto err;
769 
770 	tp_cpl_stats_buff = (struct struct_tp_cpl_stats *) scratch_buff.data;
771 	tp_cpl_stats_buff->nchan = padap->chip_params->nchan;
772 
773 	/* spin_lock(&padap->stats_lock);	TODO*/
774 	t4_tp_get_cpl_stats(padap, &tp_cpl_stats_buff->stats, 1);
775 	/* spin_unlock(&padap->stats_lock);	TODO*/
776 
777 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
778 	if (rc)
779 		goto err1;
780 
781 	rc = compress_buff(&scratch_buff, dbg_buff);
782 
783 err1:
784 	release_scratch_buff(&scratch_buff, dbg_buff);
785 err:
786 	return rc;
787 }
788 
789 static int collect_wc_stats(struct cudbg_init *pdbg_init,
790 			    struct cudbg_buffer *dbg_buff,
791 			    struct cudbg_error *cudbg_err)
792 {
793 	struct adapter *padap = pdbg_init->adap;
794 	struct cudbg_buffer scratch_buff;
795 	struct struct_wc_stats *wc_stats_buff;
796 	u32 val1;
797 	u32 val2;
798 	u32 size;
799 
800 	int rc = 0;
801 
802 	size = sizeof(struct struct_wc_stats);
803 
804 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
805 	if (rc)
806 		goto err;
807 
808 	wc_stats_buff = (struct struct_wc_stats *) scratch_buff.data;
809 
810 	if (!is_t4(padap)) {
811 		val1 = t4_read_reg(padap, A_SGE_STAT_TOTAL);
812 		val2 = t4_read_reg(padap, A_SGE_STAT_MATCH);
813 		wc_stats_buff->wr_cl_success = val1 - val2;
814 		wc_stats_buff->wr_cl_fail = val2;
815 	} else {
816 		wc_stats_buff->wr_cl_success = 0;
817 		wc_stats_buff->wr_cl_fail = 0;
818 	}
819 
820 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
821 	if (rc)
822 		goto err1;
823 
824 	rc = compress_buff(&scratch_buff, dbg_buff);
825 err1:
826 	release_scratch_buff(&scratch_buff, dbg_buff);
827 err:
828 	return rc;
829 }
830 
831 static int mem_desc_cmp(const void *a, const void *b)
832 {
833 	return ((const struct struct_mem_desc *)a)->base -
834 		((const struct struct_mem_desc *)b)->base;
835 }
836 
837 static int fill_meminfo(struct adapter *padap,
838 			struct struct_meminfo *meminfo_buff)
839 {
840 	struct struct_mem_desc *md;
841 	u32 size, lo, hi;
842 	u32 used, alloc;
843 	int n, i, rc = 0;
844 
845 	size = sizeof(struct struct_meminfo);
846 
847 	memset(meminfo_buff->avail, 0,
848 	       ARRAY_SIZE(meminfo_buff->avail) *
849 	       sizeof(struct struct_mem_desc));
850 	memset(meminfo_buff->mem, 0,
851 	       (ARRAY_SIZE(region) + 3) * sizeof(struct struct_mem_desc));
852 	md  = meminfo_buff->mem;
853 
854 	for (i = 0; i < ARRAY_SIZE(meminfo_buff->mem); i++) {
855 		meminfo_buff->mem[i].limit = 0;
856 		meminfo_buff->mem[i].idx = i;
857 	}
858 
859 	i = 0;
860 
861 	lo = t4_read_reg(padap, A_MA_TARGET_MEM_ENABLE);
862 
863 	if (lo & F_EDRAM0_ENABLE) {
864 		hi = t4_read_reg(padap, A_MA_EDRAM0_BAR);
865 		meminfo_buff->avail[i].base = G_EDRAM0_BASE(hi) << 20;
866 		meminfo_buff->avail[i].limit = meminfo_buff->avail[i].base +
867 					       (G_EDRAM0_SIZE(hi) << 20);
868 		meminfo_buff->avail[i].idx = 0;
869 		i++;
870 	}
871 
872 	if (lo & F_EDRAM1_ENABLE) {
873 		hi =  t4_read_reg(padap, A_MA_EDRAM1_BAR);
874 		meminfo_buff->avail[i].base = G_EDRAM1_BASE(hi) << 20;
875 		meminfo_buff->avail[i].limit = meminfo_buff->avail[i].base +
876 					       (G_EDRAM1_SIZE(hi) << 20);
877 		meminfo_buff->avail[i].idx = 1;
878 		i++;
879 	}
880 
881 	if (is_t5(padap)) {
882 		if (lo & F_EXT_MEM0_ENABLE) {
883 			hi = t4_read_reg(padap, A_MA_EXT_MEMORY0_BAR);
884 			meminfo_buff->avail[i].base = G_EXT_MEM_BASE(hi) << 20;
885 			meminfo_buff->avail[i].limit =
886 				meminfo_buff->avail[i].base +
887 				(G_EXT_MEM_SIZE(hi) << 20);
888 			meminfo_buff->avail[i].idx = 3;
889 			i++;
890 		}
891 
892 		if (lo & F_EXT_MEM1_ENABLE) {
893 			hi = t4_read_reg(padap, A_MA_EXT_MEMORY1_BAR);
894 			meminfo_buff->avail[i].base = G_EXT_MEM1_BASE(hi) << 20;
895 			meminfo_buff->avail[i].limit =
896 				meminfo_buff->avail[i].base +
897 				(G_EXT_MEM1_SIZE(hi) << 20);
898 			meminfo_buff->avail[i].idx = 4;
899 			i++;
900 		}
901 	} else if (is_t6(padap)) {
902 		if (lo & F_EXT_MEM_ENABLE) {
903 			hi = t4_read_reg(padap, A_MA_EXT_MEMORY_BAR);
904 			meminfo_buff->avail[i].base = G_EXT_MEM_BASE(hi) << 20;
905 			meminfo_buff->avail[i].limit =
906 				meminfo_buff->avail[i].base +
907 				(G_EXT_MEM_SIZE(hi) << 20);
908 			meminfo_buff->avail[i].idx = 2;
909 			i++;
910 		}
911 	}
912 
913 	if (!i) {				   /* no memory available */
914 		rc = CUDBG_STATUS_ENTITY_NOT_FOUND;
915 		goto err;
916 	}
917 
918 	meminfo_buff->avail_c = i;
919 	qsort(meminfo_buff->avail, i, sizeof(struct struct_mem_desc),
920 	    mem_desc_cmp);
921 	(md++)->base = t4_read_reg(padap, A_SGE_DBQ_CTXT_BADDR);
922 	(md++)->base = t4_read_reg(padap, A_SGE_IMSG_CTXT_BADDR);
923 	(md++)->base = t4_read_reg(padap, A_SGE_FLM_CACHE_BADDR);
924 	(md++)->base = t4_read_reg(padap, A_TP_CMM_TCB_BASE);
925 	(md++)->base = t4_read_reg(padap, A_TP_CMM_MM_BASE);
926 	(md++)->base = t4_read_reg(padap, A_TP_CMM_TIMER_BASE);
927 	(md++)->base = t4_read_reg(padap, A_TP_CMM_MM_RX_FLST_BASE);
928 	(md++)->base = t4_read_reg(padap, A_TP_CMM_MM_TX_FLST_BASE);
929 	(md++)->base = t4_read_reg(padap, A_TP_CMM_MM_PS_FLST_BASE);
930 
931 	/* the next few have explicit upper bounds */
932 	md->base = t4_read_reg(padap, A_TP_PMM_TX_BASE);
933 	md->limit = md->base - 1 +
934 		    t4_read_reg(padap,
935 				A_TP_PMM_TX_PAGE_SIZE) *
936 				G_PMTXMAXPAGE(t4_read_reg(padap,
937 							  A_TP_PMM_TX_MAX_PAGE)
938 					     );
939 	md++;
940 
941 	md->base = t4_read_reg(padap, A_TP_PMM_RX_BASE);
942 	md->limit = md->base - 1 +
943 		    t4_read_reg(padap,
944 				A_TP_PMM_RX_PAGE_SIZE) *
945 				G_PMRXMAXPAGE(t4_read_reg(padap,
946 							  A_TP_PMM_RX_MAX_PAGE)
947 					      );
948 	md++;
949 	if (t4_read_reg(padap, A_LE_DB_CONFIG) & F_HASHEN) {
950 		if (chip_id(padap) <= CHELSIO_T5) {
951 			hi = t4_read_reg(padap, A_LE_DB_TID_HASHBASE) / 4;
952 			md->base = t4_read_reg(padap, A_LE_DB_HASH_TID_BASE);
953 		} else {
954 			hi = t4_read_reg(padap, A_LE_DB_HASH_TID_BASE);
955 			md->base = t4_read_reg(padap,
956 					       A_LE_DB_HASH_TBL_BASE_ADDR);
957 		}
958 		md->limit = 0;
959 	} else {
960 		md->base = 0;
961 		md->idx = ARRAY_SIZE(region);  /* hide it */
962 	}
963 	md++;
964 #define ulp_region(reg) \
965 	{\
966 		md->base = t4_read_reg(padap, A_ULP_ ## reg ## _LLIMIT);\
967 		(md++)->limit = t4_read_reg(padap, A_ULP_ ## reg ## _ULIMIT);\
968 	}
969 
970 	ulp_region(RX_ISCSI);
971 	ulp_region(RX_TDDP);
972 	ulp_region(TX_TPT);
973 	ulp_region(RX_STAG);
974 	ulp_region(RX_RQ);
975 	ulp_region(RX_RQUDP);
976 	ulp_region(RX_PBL);
977 	ulp_region(TX_PBL);
978 #undef ulp_region
979 	md->base = 0;
980 	md->idx = ARRAY_SIZE(region);
981 	if (!is_t4(padap)) {
982 		u32 sge_ctrl = t4_read_reg(padap, A_SGE_CONTROL2);
983 		u32 fifo_size = t4_read_reg(padap, A_SGE_DBVFIFO_SIZE);
984 		if (is_t5(padap)) {
985 			if (sge_ctrl & F_VFIFO_ENABLE)
986 				size = G_DBVFIFO_SIZE(fifo_size);
987 		} else
988 			size = G_T6_DBVFIFO_SIZE(fifo_size);
989 
990 		if (size) {
991 			md->base = G_BASEADDR(t4_read_reg(padap,
992 							  A_SGE_DBVFIFO_BADDR));
993 			md->limit = md->base + (size << 2) - 1;
994 		}
995 	}
996 
997 	md++;
998 
999 	md->base = t4_read_reg(padap, A_ULP_RX_CTX_BASE);
1000 	md->limit = 0;
1001 	md++;
1002 	md->base = t4_read_reg(padap, A_ULP_TX_ERR_TABLE_BASE);
1003 	md->limit = 0;
1004 	md++;
1005 #ifndef __NO_DRIVER_OCQ_SUPPORT__
1006 	/*md->base = padap->vres.ocq.start;*/
1007 	/*if (adap->vres.ocq.size)*/
1008 	/*	  md->limit = md->base + adap->vres.ocq.size - 1;*/
1009 	/*else*/
1010 	md->idx = ARRAY_SIZE(region);  /* hide it */
1011 	md++;
1012 #endif
1013 
1014 	/* add any address-space holes, there can be up to 3 */
1015 	for (n = 0; n < i - 1; n++)
1016 		if (meminfo_buff->avail[n].limit <
1017 		    meminfo_buff->avail[n + 1].base)
1018 			(md++)->base = meminfo_buff->avail[n].limit;
1019 
1020 	if (meminfo_buff->avail[n].limit)
1021 		(md++)->base = meminfo_buff->avail[n].limit;
1022 
1023 	n = (int) (md - meminfo_buff->mem);
1024 	meminfo_buff->mem_c = n;
1025 
1026 	qsort(meminfo_buff->mem, n, sizeof(struct struct_mem_desc),
1027 	    mem_desc_cmp);
1028 
1029 	lo = t4_read_reg(padap, A_CIM_SDRAM_BASE_ADDR);
1030 	hi = t4_read_reg(padap, A_CIM_SDRAM_ADDR_SIZE) + lo - 1;
1031 	meminfo_buff->up_ram_lo = lo;
1032 	meminfo_buff->up_ram_hi = hi;
1033 
1034 	lo = t4_read_reg(padap, A_CIM_EXTMEM2_BASE_ADDR);
1035 	hi = t4_read_reg(padap, A_CIM_EXTMEM2_ADDR_SIZE) + lo - 1;
1036 	meminfo_buff->up_extmem2_lo = lo;
1037 	meminfo_buff->up_extmem2_hi = hi;
1038 
1039 	lo = t4_read_reg(padap, A_TP_PMM_RX_MAX_PAGE);
1040 	meminfo_buff->rx_pages_data[0] =  G_PMRXMAXPAGE(lo);
1041 	meminfo_buff->rx_pages_data[1] =
1042 		t4_read_reg(padap, A_TP_PMM_RX_PAGE_SIZE) >> 10;
1043 	meminfo_buff->rx_pages_data[2] = (lo & F_PMRXNUMCHN) ? 2 : 1 ;
1044 
1045 	lo = t4_read_reg(padap, A_TP_PMM_TX_MAX_PAGE);
1046 	hi = t4_read_reg(padap, A_TP_PMM_TX_PAGE_SIZE);
1047 	meminfo_buff->tx_pages_data[0] = G_PMTXMAXPAGE(lo);
1048 	meminfo_buff->tx_pages_data[1] =
1049 		hi >= (1 << 20) ? (hi >> 20) : (hi >> 10);
1050 	meminfo_buff->tx_pages_data[2] =
1051 		hi >= (1 << 20) ? 'M' : 'K';
1052 	meminfo_buff->tx_pages_data[3] = 1 << G_PMTXNUMCHN(lo);
1053 
1054 	for (i = 0; i < 4; i++) {
1055 		if (chip_id(padap) > CHELSIO_T5)
1056 			lo = t4_read_reg(padap,
1057 					 A_MPS_RX_MAC_BG_PG_CNT0 + i * 4);
1058 		else
1059 			lo = t4_read_reg(padap, A_MPS_RX_PG_RSV0 + i * 4);
1060 		if (is_t5(padap)) {
1061 			used = G_T5_USED(lo);
1062 			alloc = G_T5_ALLOC(lo);
1063 		} else {
1064 			used = G_USED(lo);
1065 			alloc = G_ALLOC(lo);
1066 		}
1067 		meminfo_buff->port_used[i] = used;
1068 		meminfo_buff->port_alloc[i] = alloc;
1069 	}
1070 
1071 	for (i = 0; i < padap->chip_params->nchan; i++) {
1072 		if (chip_id(padap) > CHELSIO_T5)
1073 			lo = t4_read_reg(padap,
1074 					 A_MPS_RX_LPBK_BG_PG_CNT0 + i * 4);
1075 		else
1076 			lo = t4_read_reg(padap, A_MPS_RX_PG_RSV4 + i * 4);
1077 		if (is_t5(padap)) {
1078 			used = G_T5_USED(lo);
1079 			alloc = G_T5_ALLOC(lo);
1080 		} else {
1081 			used = G_USED(lo);
1082 			alloc = G_ALLOC(lo);
1083 		}
1084 		meminfo_buff->loopback_used[i] = used;
1085 		meminfo_buff->loopback_alloc[i] = alloc;
1086 	}
1087 err:
1088 	return rc;
1089 }
1090 
1091 static int collect_meminfo(struct cudbg_init *pdbg_init,
1092 			   struct cudbg_buffer *dbg_buff,
1093 			   struct cudbg_error *cudbg_err)
1094 {
1095 	struct adapter *padap = pdbg_init->adap;
1096 	struct cudbg_buffer scratch_buff;
1097 	struct struct_meminfo *meminfo_buff;
1098 	int rc = 0;
1099 	u32 size;
1100 
1101 	size = sizeof(struct struct_meminfo);
1102 
1103 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
1104 	if (rc)
1105 		goto err;
1106 
1107 	meminfo_buff = (struct struct_meminfo *)scratch_buff.data;
1108 
1109 	rc = fill_meminfo(padap, meminfo_buff);
1110 	if (rc)
1111 		goto err;
1112 
1113 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
1114 	if (rc)
1115 		goto err1;
1116 
1117 	rc = compress_buff(&scratch_buff, dbg_buff);
1118 err1:
1119 	release_scratch_buff(&scratch_buff, dbg_buff);
1120 err:
1121 	return rc;
1122 }
1123 
1124 static int collect_lb_stats(struct cudbg_init *pdbg_init,
1125 			    struct cudbg_buffer *dbg_buff,
1126 			    struct cudbg_error *cudbg_err)
1127 {
1128 	struct adapter *padap = pdbg_init->adap;
1129 	struct cudbg_buffer scratch_buff;
1130 	struct lb_port_stats *tmp_stats;
1131 	struct struct_lb_stats *lb_stats_buff;
1132 	u32 i, n, size;
1133 	int rc = 0;
1134 
1135 	rc = padap->params.nports;
1136 	if (rc < 0)
1137 		goto err;
1138 
1139 	n = rc;
1140 	size = sizeof(struct struct_lb_stats) +
1141 	       n * sizeof(struct lb_port_stats);
1142 
1143 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
1144 	if (rc)
1145 		goto err;
1146 
1147 	lb_stats_buff = (struct struct_lb_stats *) scratch_buff.data;
1148 
1149 	lb_stats_buff->nchan = n;
1150 	tmp_stats = lb_stats_buff->s;
1151 
1152 	for (i = 0; i < n; i += 2, tmp_stats += 2) {
1153 		t4_get_lb_stats(padap, i, tmp_stats);
1154 		t4_get_lb_stats(padap, i + 1, tmp_stats+1);
1155 	}
1156 
1157 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
1158 	if (rc)
1159 		goto err1;
1160 
1161 	rc = compress_buff(&scratch_buff, dbg_buff);
1162 err1:
1163 	release_scratch_buff(&scratch_buff, dbg_buff);
1164 err:
1165 	return rc;
1166 }
1167 
1168 static int collect_rdma_stats(struct cudbg_init *pdbg_init,
1169 			      struct cudbg_buffer *dbg_buff,
1170 			      struct cudbg_error *cudbg_er)
1171 {
1172 	struct adapter *padap = pdbg_init->adap;
1173 	struct cudbg_buffer scratch_buff;
1174 	struct tp_rdma_stats *rdma_stats_buff;
1175 	u32 size;
1176 	int rc = 0;
1177 
1178 	size = sizeof(struct tp_rdma_stats);
1179 
1180 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
1181 	if (rc)
1182 		goto err;
1183 
1184 	rdma_stats_buff = (struct tp_rdma_stats *) scratch_buff.data;
1185 
1186 	/* spin_lock(&padap->stats_lock);	TODO*/
1187 	t4_tp_get_rdma_stats(padap, rdma_stats_buff, 1);
1188 	/* spin_unlock(&padap->stats_lock);	TODO*/
1189 
1190 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
1191 	if (rc)
1192 		goto err1;
1193 
1194 	rc = compress_buff(&scratch_buff, dbg_buff);
1195 err1:
1196 	release_scratch_buff(&scratch_buff, dbg_buff);
1197 err:
1198 	return rc;
1199 }
1200 
1201 static int collect_clk_info(struct cudbg_init *pdbg_init,
1202 			    struct cudbg_buffer *dbg_buff,
1203 			    struct cudbg_error *cudbg_err)
1204 {
1205 	struct cudbg_buffer scratch_buff;
1206 	struct adapter *padap = pdbg_init->adap;
1207 	struct struct_clk_info *clk_info_buff;
1208 	u64 tp_tick_us;
1209 	int size;
1210 	int rc = 0;
1211 
1212 	if (!padap->params.vpd.cclk) {
1213 		rc =  CUDBG_STATUS_CCLK_NOT_DEFINED;
1214 		goto err;
1215 	}
1216 
1217 	size = sizeof(struct struct_clk_info);
1218 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
1219 	if (rc)
1220 		goto err;
1221 
1222 	clk_info_buff = (struct struct_clk_info *) scratch_buff.data;
1223 
1224 	clk_info_buff->cclk_ps = 1000000000 / padap->params.vpd.cclk;  /* in ps
1225 	*/
1226 	clk_info_buff->res = t4_read_reg(padap, A_TP_TIMER_RESOLUTION);
1227 	clk_info_buff->tre = G_TIMERRESOLUTION(clk_info_buff->res);
1228 	clk_info_buff->dack_re = G_DELAYEDACKRESOLUTION(clk_info_buff->res);
1229 	tp_tick_us = (clk_info_buff->cclk_ps << clk_info_buff->tre) / 1000000;
1230 	/* in us */
1231 	clk_info_buff->dack_timer = ((clk_info_buff->cclk_ps <<
1232 				      clk_info_buff->dack_re) / 1000000) *
1233 				     t4_read_reg(padap, A_TP_DACK_TIMER);
1234 
1235 	clk_info_buff->retransmit_min =
1236 		tp_tick_us * t4_read_reg(padap, A_TP_RXT_MIN);
1237 	clk_info_buff->retransmit_max =
1238 		tp_tick_us * t4_read_reg(padap, A_TP_RXT_MAX);
1239 
1240 	clk_info_buff->persist_timer_min =
1241 		tp_tick_us * t4_read_reg(padap, A_TP_PERS_MIN);
1242 	clk_info_buff->persist_timer_max =
1243 		tp_tick_us * t4_read_reg(padap, A_TP_PERS_MAX);
1244 
1245 	clk_info_buff->keepalive_idle_timer =
1246 		tp_tick_us * t4_read_reg(padap, A_TP_KEEP_IDLE);
1247 	clk_info_buff->keepalive_interval =
1248 		tp_tick_us * t4_read_reg(padap, A_TP_KEEP_INTVL);
1249 
1250 	clk_info_buff->initial_srtt =
1251 		tp_tick_us * G_INITSRTT(t4_read_reg(padap, A_TP_INIT_SRTT));
1252 	clk_info_buff->finwait2_timer =
1253 		tp_tick_us * t4_read_reg(padap, A_TP_FINWAIT2_TIMER);
1254 
1255 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
1256 
1257 	if (rc)
1258 		goto err1;
1259 
1260 	rc = compress_buff(&scratch_buff, dbg_buff);
1261 err1:
1262 	release_scratch_buff(&scratch_buff, dbg_buff);
1263 err:
1264 	return rc;
1265 
1266 }
1267 
1268 static int collect_macstats(struct cudbg_init *pdbg_init,
1269 			    struct cudbg_buffer *dbg_buff,
1270 			    struct cudbg_error *cudbg_err)
1271 {
1272 	struct adapter *padap = pdbg_init->adap;
1273 	struct cudbg_buffer scratch_buff;
1274 	struct struct_mac_stats_rev1 *mac_stats_buff;
1275 	u32 i, n, size;
1276 	int rc = 0;
1277 
1278 	rc = padap->params.nports;
1279 	if (rc < 0)
1280 		goto err;
1281 
1282 	n = rc;
1283 	size = sizeof(struct struct_mac_stats_rev1);
1284 
1285 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
1286 	if (rc)
1287 		goto err;
1288 
1289 	mac_stats_buff = (struct struct_mac_stats_rev1 *) scratch_buff.data;
1290 
1291 	mac_stats_buff->ver_hdr.signature = CUDBG_ENTITY_SIGNATURE;
1292 	mac_stats_buff->ver_hdr.revision = CUDBG_MAC_STATS_REV;
1293 	mac_stats_buff->ver_hdr.size = sizeof(struct struct_mac_stats_rev1) -
1294 				       sizeof(struct cudbg_ver_hdr);
1295 
1296 	mac_stats_buff->port_count = n;
1297 	for (i = 0; i <  mac_stats_buff->port_count; i++)
1298 		t4_get_port_stats(padap, i, &mac_stats_buff->stats[i]);
1299 
1300 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
1301 	if (rc)
1302 		goto err1;
1303 
1304 	rc = compress_buff(&scratch_buff, dbg_buff);
1305 err1:
1306 	release_scratch_buff(&scratch_buff, dbg_buff);
1307 err:
1308 	return rc;
1309 }
1310 
1311 static int collect_cim_pif_la(struct cudbg_init *pdbg_init,
1312 			      struct cudbg_buffer *dbg_buff,
1313 			      struct cudbg_error *cudbg_err)
1314 {
1315 	struct adapter *padap = pdbg_init->adap;
1316 	struct cudbg_buffer scratch_buff;
1317 	struct cim_pif_la *cim_pif_la_buff;
1318 	u32 size;
1319 	int rc = 0;
1320 
1321 	size = sizeof(struct cim_pif_la) +
1322 	       2 * CIM_PIFLA_SIZE * 6 * sizeof(u32);
1323 
1324 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
1325 	if (rc)
1326 		goto err;
1327 
1328 	cim_pif_la_buff = (struct cim_pif_la *) scratch_buff.data;
1329 	cim_pif_la_buff->size = CIM_PIFLA_SIZE;
1330 
1331 	t4_cim_read_pif_la(padap, (u32 *)cim_pif_la_buff->data,
1332 			   (u32 *)cim_pif_la_buff->data + 6 * CIM_PIFLA_SIZE,
1333 			   NULL, NULL);
1334 
1335 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
1336 	if (rc)
1337 		goto err1;
1338 
1339 	rc = compress_buff(&scratch_buff, dbg_buff);
1340 err1:
1341 	release_scratch_buff(&scratch_buff, dbg_buff);
1342 err:
1343 	return rc;
1344 }
1345 
1346 static int collect_tp_la(struct cudbg_init *pdbg_init,
1347 			 struct cudbg_buffer *dbg_buff,
1348 			 struct cudbg_error *cudbg_err)
1349 {
1350 	struct adapter *padap = pdbg_init->adap;
1351 	struct cudbg_buffer scratch_buff;
1352 	struct struct_tp_la *tp_la_buff;
1353 	u32 size;
1354 	int rc = 0;
1355 
1356 	size = sizeof(struct struct_tp_la) + TPLA_SIZE *  sizeof(u64);
1357 
1358 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
1359 	if (rc)
1360 		goto err;
1361 
1362 	tp_la_buff = (struct struct_tp_la *) scratch_buff.data;
1363 
1364 	tp_la_buff->mode = G_DBGLAMODE(t4_read_reg(padap, A_TP_DBG_LA_CONFIG));
1365 	t4_tp_read_la(padap, (u64 *)tp_la_buff->data, NULL);
1366 
1367 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
1368 	if (rc)
1369 		goto err1;
1370 
1371 	rc = compress_buff(&scratch_buff, dbg_buff);
1372 err1:
1373 	release_scratch_buff(&scratch_buff, dbg_buff);
1374 err:
1375 	return rc;
1376 }
1377 
1378 static int collect_fcoe_stats(struct cudbg_init *pdbg_init,
1379 			      struct cudbg_buffer *dbg_buff,
1380 			      struct cudbg_error *cudbg_err)
1381 {
1382 	struct adapter *padap = pdbg_init->adap;
1383 	struct cudbg_buffer scratch_buff;
1384 	struct struct_tp_fcoe_stats  *tp_fcoe_stats_buff;
1385 	u32 size;
1386 	int rc = 0;
1387 
1388 	size = sizeof(struct struct_tp_fcoe_stats);
1389 
1390 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
1391 	if (rc)
1392 		goto err;
1393 
1394 	tp_fcoe_stats_buff = (struct struct_tp_fcoe_stats *) scratch_buff.data;
1395 
1396 	/* spin_lock(&padap->stats_lock);	TODO*/
1397 	t4_get_fcoe_stats(padap, 0, &tp_fcoe_stats_buff->stats[0], 1);
1398 	t4_get_fcoe_stats(padap, 1, &tp_fcoe_stats_buff->stats[1], 1);
1399 	if (padap->chip_params->nchan == NCHAN) {
1400 		t4_get_fcoe_stats(padap, 2, &tp_fcoe_stats_buff->stats[2], 1);
1401 		t4_get_fcoe_stats(padap, 3, &tp_fcoe_stats_buff->stats[3], 1);
1402 	}
1403 	/* spin_unlock(&padap->stats_lock);	TODO*/
1404 
1405 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
1406 	if (rc)
1407 		goto err1;
1408 
1409 	rc = compress_buff(&scratch_buff, dbg_buff);
1410 err1:
1411 	release_scratch_buff(&scratch_buff, dbg_buff);
1412 err:
1413 	return rc;
1414 }
1415 
1416 static int collect_tp_err_stats(struct cudbg_init *pdbg_init,
1417 				struct cudbg_buffer *dbg_buff,
1418 				struct cudbg_error *cudbg_err)
1419 {
1420 	struct adapter *padap = pdbg_init->adap;
1421 	struct cudbg_buffer scratch_buff;
1422 	struct struct_tp_err_stats *tp_err_stats_buff;
1423 	u32 size;
1424 	int rc = 0;
1425 
1426 	size = sizeof(struct struct_tp_err_stats);
1427 
1428 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
1429 	if (rc)
1430 		goto err;
1431 
1432 	tp_err_stats_buff = (struct struct_tp_err_stats *) scratch_buff.data;
1433 
1434 	/* spin_lock(&padap->stats_lock);	TODO*/
1435 	t4_tp_get_err_stats(padap, &tp_err_stats_buff->stats, 1);
1436 	/* spin_unlock(&padap->stats_lock);	TODO*/
1437 	tp_err_stats_buff->nchan = padap->chip_params->nchan;
1438 
1439 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
1440 	if (rc)
1441 		goto err1;
1442 
1443 	rc = compress_buff(&scratch_buff, dbg_buff);
1444 err1:
1445 	release_scratch_buff(&scratch_buff, dbg_buff);
1446 err:
1447 	return rc;
1448 }
1449 
1450 static int collect_tcp_stats(struct cudbg_init *pdbg_init,
1451 			     struct cudbg_buffer *dbg_buff,
1452 			     struct cudbg_error *cudbg_err)
1453 {
1454 	struct adapter *padap = pdbg_init->adap;
1455 	struct cudbg_buffer scratch_buff;
1456 	struct struct_tcp_stats *tcp_stats_buff;
1457 	u32 size;
1458 	int rc = 0;
1459 
1460 	size = sizeof(struct struct_tcp_stats);
1461 
1462 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
1463 	if (rc)
1464 		goto err;
1465 
1466 	tcp_stats_buff = (struct struct_tcp_stats *) scratch_buff.data;
1467 
1468 	/* spin_lock(&padap->stats_lock);	TODO*/
1469 	t4_tp_get_tcp_stats(padap, &tcp_stats_buff->v4, &tcp_stats_buff->v6, 1);
1470 	/* spin_unlock(&padap->stats_lock);	TODO*/
1471 
1472 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
1473 	if (rc)
1474 		goto err1;
1475 
1476 	rc = compress_buff(&scratch_buff, dbg_buff);
1477 err1:
1478 	release_scratch_buff(&scratch_buff, dbg_buff);
1479 err:
1480 	return rc;
1481 }
1482 
1483 static int collect_hw_sched(struct cudbg_init *pdbg_init,
1484 			    struct cudbg_buffer *dbg_buff,
1485 			    struct cudbg_error *cudbg_err)
1486 {
1487 	struct adapter *padap = pdbg_init->adap;
1488 	struct cudbg_buffer scratch_buff;
1489 	struct struct_hw_sched *hw_sched_buff;
1490 	u32 size;
1491 	int i, rc = 0;
1492 
1493 	if (!padap->params.vpd.cclk) {
1494 		rc =  CUDBG_STATUS_CCLK_NOT_DEFINED;
1495 		goto err;
1496 	}
1497 
1498 	size = sizeof(struct struct_hw_sched);
1499 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
1500 	if (rc)
1501 		goto err;
1502 
1503 	hw_sched_buff = (struct struct_hw_sched *) scratch_buff.data;
1504 
1505 	hw_sched_buff->map = t4_read_reg(padap, A_TP_TX_MOD_QUEUE_REQ_MAP);
1506 	hw_sched_buff->mode = G_TIMERMODE(t4_read_reg(padap, A_TP_MOD_CONFIG));
1507 	t4_read_pace_tbl(padap, hw_sched_buff->pace_tab);
1508 
1509 	for (i = 0; i < NTX_SCHED; ++i) {
1510 		t4_get_tx_sched(padap, i, &hw_sched_buff->kbps[i],
1511 		    &hw_sched_buff->ipg[i], 1);
1512 	}
1513 
1514 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
1515 	if (rc)
1516 		goto err1;
1517 
1518 	rc = compress_buff(&scratch_buff, dbg_buff);
1519 err1:
1520 	release_scratch_buff(&scratch_buff, dbg_buff);
1521 err:
1522 	return rc;
1523 }
1524 
1525 static int collect_pm_stats(struct cudbg_init *pdbg_init,
1526 			    struct cudbg_buffer *dbg_buff,
1527 			    struct cudbg_error *cudbg_err)
1528 {
1529 	struct adapter *padap = pdbg_init->adap;
1530 	struct cudbg_buffer scratch_buff;
1531 	struct struct_pm_stats *pm_stats_buff;
1532 	u32 size;
1533 	int rc = 0;
1534 
1535 	size = sizeof(struct struct_pm_stats);
1536 
1537 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
1538 	if (rc)
1539 		goto err;
1540 
1541 	pm_stats_buff = (struct struct_pm_stats *) scratch_buff.data;
1542 
1543 	t4_pmtx_get_stats(padap, pm_stats_buff->tx_cnt, pm_stats_buff->tx_cyc);
1544 	t4_pmrx_get_stats(padap, pm_stats_buff->rx_cnt, pm_stats_buff->rx_cyc);
1545 
1546 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
1547 	if (rc)
1548 		goto err1;
1549 
1550 	rc = compress_buff(&scratch_buff, dbg_buff);
1551 err1:
1552 	release_scratch_buff(&scratch_buff, dbg_buff);
1553 err:
1554 	return rc;
1555 }
1556 
1557 static int collect_path_mtu(struct cudbg_init *pdbg_init,
1558 			    struct cudbg_buffer *dbg_buff,
1559 			    struct cudbg_error *cudbg_err)
1560 {
1561 	struct adapter *padap = pdbg_init->adap;
1562 	struct cudbg_buffer scratch_buff;
1563 	u32 size;
1564 	int rc = 0;
1565 
1566 	size = NMTUS  * sizeof(u16);
1567 
1568 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
1569 	if (rc)
1570 		goto err;
1571 
1572 	t4_read_mtu_tbl(padap, (u16 *)scratch_buff.data, NULL);
1573 
1574 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
1575 	if (rc)
1576 		goto err1;
1577 
1578 	rc = compress_buff(&scratch_buff, dbg_buff);
1579 err1:
1580 	release_scratch_buff(&scratch_buff, dbg_buff);
1581 err:
1582 	return rc;
1583 }
1584 
1585 static int collect_rss_key(struct cudbg_init *pdbg_init,
1586 			   struct cudbg_buffer *dbg_buff,
1587 			   struct cudbg_error *cudbg_err)
1588 {
1589 	struct adapter *padap = pdbg_init->adap;
1590 	struct cudbg_buffer scratch_buff;
1591 	u32 size;
1592 
1593 	int rc = 0;
1594 
1595 	size = 10  * sizeof(u32);
1596 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
1597 	if (rc)
1598 		goto err;
1599 
1600 	t4_read_rss_key(padap, (u32 *)scratch_buff.data, 1);
1601 
1602 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
1603 	if (rc)
1604 		goto err1;
1605 
1606 	rc = compress_buff(&scratch_buff, dbg_buff);
1607 err1:
1608 	release_scratch_buff(&scratch_buff, dbg_buff);
1609 err:
1610 	return rc;
1611 }
1612 
1613 static int collect_rss_config(struct cudbg_init *pdbg_init,
1614 			      struct cudbg_buffer *dbg_buff,
1615 			      struct cudbg_error *cudbg_err)
1616 {
1617 	struct adapter *padap = pdbg_init->adap;
1618 	struct cudbg_buffer scratch_buff;
1619 	struct rss_config *rss_conf;
1620 	int rc;
1621 	u32 size;
1622 
1623 	size = sizeof(struct rss_config);
1624 
1625 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
1626 	if (rc)
1627 		goto err;
1628 
1629 	rss_conf =  (struct rss_config *)scratch_buff.data;
1630 
1631 	rss_conf->tp_rssconf = t4_read_reg(padap, A_TP_RSS_CONFIG);
1632 	rss_conf->tp_rssconf_tnl = t4_read_reg(padap, A_TP_RSS_CONFIG_TNL);
1633 	rss_conf->tp_rssconf_ofd = t4_read_reg(padap, A_TP_RSS_CONFIG_OFD);
1634 	rss_conf->tp_rssconf_syn = t4_read_reg(padap, A_TP_RSS_CONFIG_SYN);
1635 	rss_conf->tp_rssconf_vrt = t4_read_reg(padap, A_TP_RSS_CONFIG_VRT);
1636 	rss_conf->tp_rssconf_cng = t4_read_reg(padap, A_TP_RSS_CONFIG_CNG);
1637 	rss_conf->chip = padap->params.chipid;
1638 
1639 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
1640 	if (rc)
1641 		goto err1;
1642 
1643 	rc = compress_buff(&scratch_buff, dbg_buff);
1644 
1645 err1:
1646 	release_scratch_buff(&scratch_buff, dbg_buff);
1647 err:
1648 	return rc;
1649 }
1650 
1651 static int collect_rss_vf_config(struct cudbg_init *pdbg_init,
1652 				 struct cudbg_buffer *dbg_buff,
1653 				 struct cudbg_error *cudbg_err)
1654 {
1655 	struct adapter *padap = pdbg_init->adap;
1656 	struct cudbg_buffer scratch_buff;
1657 	struct rss_vf_conf *vfconf;
1658 	int vf, rc, vf_count;
1659 	u32 size;
1660 
1661 	vf_count = padap->chip_params->vfcount;
1662 	size = vf_count * sizeof(*vfconf);
1663 
1664 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
1665 	if (rc)
1666 		goto err;
1667 
1668 	vfconf =  (struct rss_vf_conf *)scratch_buff.data;
1669 
1670 	for (vf = 0; vf < vf_count; vf++) {
1671 		t4_read_rss_vf_config(padap, vf, &vfconf[vf].rss_vf_vfl,
1672 				      &vfconf[vf].rss_vf_vfh, 1);
1673 	}
1674 
1675 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
1676 	if (rc)
1677 		goto err1;
1678 
1679 	rc = compress_buff(&scratch_buff, dbg_buff);
1680 
1681 err1:
1682 	release_scratch_buff(&scratch_buff, dbg_buff);
1683 err:
1684 	return rc;
1685 }
1686 
1687 static int collect_rss_pf_config(struct cudbg_init *pdbg_init,
1688 				 struct cudbg_buffer *dbg_buff,
1689 				 struct cudbg_error *cudbg_err)
1690 {
1691 	struct cudbg_buffer scratch_buff;
1692 	struct rss_pf_conf *pfconf;
1693 	struct adapter *padap = pdbg_init->adap;
1694 	u32 rss_pf_map, rss_pf_mask, size;
1695 	int pf, rc;
1696 
1697 	size = 8  * sizeof(*pfconf);
1698 
1699 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
1700 	if (rc)
1701 		goto err;
1702 
1703 	pfconf =  (struct rss_pf_conf *)scratch_buff.data;
1704 
1705 	rss_pf_map = t4_read_rss_pf_map(padap, 1);
1706 	rss_pf_mask = t4_read_rss_pf_mask(padap, 1);
1707 
1708 	for (pf = 0; pf < 8; pf++) {
1709 		pfconf[pf].rss_pf_map = rss_pf_map;
1710 		pfconf[pf].rss_pf_mask = rss_pf_mask;
1711 		/* no return val */
1712 		t4_read_rss_pf_config(padap, pf, &pfconf[pf].rss_pf_config, 1);
1713 	}
1714 
1715 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
1716 	if (rc)
1717 		goto err1;
1718 
1719 	rc = compress_buff(&scratch_buff, dbg_buff);
1720 err1:
1721 	release_scratch_buff(&scratch_buff, dbg_buff);
1722 err:
1723 	return rc;
1724 }
1725 
1726 static int check_valid(u32 *buf, int type)
1727 {
1728 	int index;
1729 	int bit;
1730 	int bit_pos = 0;
1731 
1732 	switch (type) {
1733 	case CTXT_EGRESS:
1734 		bit_pos = 176;
1735 		break;
1736 	case CTXT_INGRESS:
1737 		bit_pos = 141;
1738 		break;
1739 	case CTXT_FLM:
1740 		bit_pos = 89;
1741 		break;
1742 	}
1743 	index = bit_pos / 32;
1744 	bit =  bit_pos % 32;
1745 
1746 	return buf[index] & (1U << bit);
1747 }
1748 
1749 /**
1750  * Get EGRESS, INGRESS, FLM, and CNM max qid.
1751  *
1752  * For EGRESS and INGRESS, do the following calculation.
1753  * max_qid = (DBQ/IMSG context region size in bytes) /
1754  *	     (size of context in bytes).
1755  *
1756  * For FLM, do the following calculation.
1757  * max_qid = (FLM cache region size in bytes) /
1758  *	     ((number of pointers cached in EDRAM) * 8 (bytes per pointer)).
1759  *
1760  * There's a 1-to-1 mapping between FLM and CNM if there's no header splitting
1761  * enabled; i.e., max CNM qid is equal to max FLM qid. However, if header
1762  * splitting is enabled, then max CNM qid is half of max FLM qid.
1763  */
1764 static int get_max_ctxt_qid(struct adapter *padap,
1765 			    struct struct_meminfo *meminfo,
1766 			    u32 *max_ctx_qid, u8 nelem)
1767 {
1768 	u32 i, idx, found = 0;
1769 
1770 	if (nelem != (CTXT_CNM + 1))
1771 		return -EINVAL;
1772 
1773 	for (i = 0; i < meminfo->mem_c; i++) {
1774 		if (meminfo->mem[i].idx >= ARRAY_SIZE(region))
1775 			continue;                        /* skip holes */
1776 
1777 		idx = meminfo->mem[i].idx;
1778 		/* Get DBQ, IMSG, and FLM context region size */
1779 		if (idx <= CTXT_FLM) {
1780 			if (!(meminfo->mem[i].limit))
1781 				meminfo->mem[i].limit =
1782 					i < meminfo->mem_c - 1 ?
1783 					meminfo->mem[i + 1].base - 1 : ~0;
1784 
1785 			if (idx < CTXT_FLM) {
1786 				/* Get EGRESS and INGRESS max qid. */
1787 				max_ctx_qid[idx] = (meminfo->mem[i].limit -
1788 						    meminfo->mem[i].base + 1) /
1789 						   CUDBG_CTXT_SIZE_BYTES;
1790 				found++;
1791 			} else {
1792 				/* Get FLM and CNM max qid. */
1793 				u32 value, edram_ptr_count;
1794 				u8 bytes_per_ptr = 8;
1795 				u8 nohdr;
1796 
1797 				value = t4_read_reg(padap, A_SGE_FLM_CFG);
1798 
1799 				/* Check if header splitting is enabled. */
1800 				nohdr = (value >> S_NOHDR) & 1U;
1801 
1802 				/* Get the number of pointers in EDRAM per
1803 				 * qid in units of 32.
1804 				 */
1805 				edram_ptr_count = 32 *
1806 						  (1U << G_EDRAMPTRCNT(value));
1807 
1808 				/* EDRAMPTRCNT value of 3 is reserved.
1809 				 * So don't exceed 128.
1810 				 */
1811 				if (edram_ptr_count > 128)
1812 					edram_ptr_count = 128;
1813 
1814 				max_ctx_qid[idx] = (meminfo->mem[i].limit -
1815 						    meminfo->mem[i].base + 1) /
1816 						   (edram_ptr_count *
1817 						    bytes_per_ptr);
1818 				found++;
1819 
1820 				/* CNM has 1-to-1 mapping with FLM.
1821 				 * However, if header splitting is enabled,
1822 				 * then max CNM qid is half of max FLM qid.
1823 				 */
1824 				max_ctx_qid[CTXT_CNM] = nohdr ?
1825 							max_ctx_qid[idx] :
1826 							max_ctx_qid[idx] >> 1;
1827 
1828 				/* One more increment for CNM */
1829 				found++;
1830 			}
1831 		}
1832 		if (found == nelem)
1833 			break;
1834 	}
1835 
1836 	/* Sanity check. Ensure the values are within known max. */
1837 	max_ctx_qid[CTXT_EGRESS] = min_t(u32, max_ctx_qid[CTXT_EGRESS],
1838 					 M_CTXTQID);
1839 	max_ctx_qid[CTXT_INGRESS] = min_t(u32, max_ctx_qid[CTXT_INGRESS],
1840 					  CUDBG_MAX_INGRESS_QIDS);
1841 	max_ctx_qid[CTXT_FLM] = min_t(u32, max_ctx_qid[CTXT_FLM],
1842 				      CUDBG_MAX_FL_QIDS);
1843 	max_ctx_qid[CTXT_CNM] = min_t(u32, max_ctx_qid[CTXT_CNM],
1844 				      CUDBG_MAX_CNM_QIDS);
1845 	return 0;
1846 }
1847 
1848 static int collect_dump_context(struct cudbg_init *pdbg_init,
1849 				struct cudbg_buffer *dbg_buff,
1850 				struct cudbg_error *cudbg_err)
1851 {
1852 	struct cudbg_buffer scratch_buff;
1853 	struct cudbg_buffer temp_buff;
1854 	struct adapter *padap = pdbg_init->adap;
1855 	u32 size = 0, next_offset = 0, total_size = 0;
1856 	struct cudbg_ch_cntxt *buff = NULL;
1857 	struct struct_meminfo meminfo;
1858 	int bytes = 0;
1859 	int rc = 0;
1860 	u32 i, j;
1861 	u32 max_ctx_qid[CTXT_CNM + 1];
1862 	bool limit_qid = false;
1863 	u32 qid_count = 0;
1864 
1865 	rc = fill_meminfo(padap, &meminfo);
1866 	if (rc)
1867 		goto err;
1868 
1869 	/* Get max valid qid for each type of queue */
1870 	rc = get_max_ctxt_qid(padap, &meminfo, max_ctx_qid, CTXT_CNM + 1);
1871 	if (rc)
1872 		goto err;
1873 
1874 	/* There are four types of queues. Collect context upto max
1875 	 * qid of each type of queue.
1876 	 */
1877 	for (i = CTXT_EGRESS; i <= CTXT_CNM; i++)
1878 		size += sizeof(struct cudbg_ch_cntxt) * max_ctx_qid[i];
1879 
1880 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
1881 	if (rc == CUDBG_STATUS_NO_SCRATCH_MEM) {
1882 		/* Not enough scratch Memory available.
1883 		 * Collect context of at least CUDBG_LOWMEM_MAX_CTXT_QIDS
1884 		 * for each queue type.
1885 		 */
1886 		size = 0;
1887 		for (i = CTXT_EGRESS; i <= CTXT_CNM; i++)
1888 			size += sizeof(struct cudbg_ch_cntxt) *
1889 				CUDBG_LOWMEM_MAX_CTXT_QIDS;
1890 
1891 		limit_qid = true;
1892 		rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
1893 		if (rc)
1894 			goto err;
1895 	}
1896 
1897 	buff = (struct cudbg_ch_cntxt *)scratch_buff.data;
1898 
1899 	/* Collect context data */
1900 	for (i = CTXT_EGRESS; i <= CTXT_FLM; i++) {
1901 		qid_count = 0;
1902 		for (j = 0; j < max_ctx_qid[i]; j++) {
1903 			read_sge_ctxt(pdbg_init, j, i, buff->data);
1904 
1905 			rc = check_valid(buff->data, i);
1906 			if (rc) {
1907 				buff->cntxt_type = i;
1908 				buff->cntxt_id = j;
1909 				buff++;
1910 				total_size += sizeof(struct cudbg_ch_cntxt);
1911 
1912 				if (i == CTXT_FLM) {
1913 					read_sge_ctxt(pdbg_init, j, CTXT_CNM,
1914 						      buff->data);
1915 					buff->cntxt_type = CTXT_CNM;
1916 					buff->cntxt_id = j;
1917 					buff++;
1918 					total_size +=
1919 						sizeof(struct cudbg_ch_cntxt);
1920 				}
1921 				qid_count++;
1922 			}
1923 
1924 			/* If there's not enough space to collect more qids,
1925 			 * then bail and move on to next queue type.
1926 			 */
1927 			if (limit_qid &&
1928 			    qid_count >= CUDBG_LOWMEM_MAX_CTXT_QIDS)
1929 				break;
1930 		}
1931 	}
1932 
1933 	scratch_buff.size = total_size;
1934 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
1935 	if (rc)
1936 		goto err1;
1937 
1938 	/* Splitting buffer and writing in terms of CUDBG_CHUNK_SIZE */
1939 	while (total_size > 0) {
1940 		bytes = min_t(unsigned long, (unsigned long)total_size,
1941 			      (unsigned long)CUDBG_CHUNK_SIZE);
1942 		temp_buff.size = bytes;
1943 		temp_buff.data = (void *)((char *)scratch_buff.data +
1944 					  next_offset);
1945 
1946 		rc = compress_buff(&temp_buff, dbg_buff);
1947 		if (rc)
1948 			goto err1;
1949 
1950 		total_size -= bytes;
1951 		next_offset += bytes;
1952 	}
1953 
1954 err1:
1955 	scratch_buff.size = size;
1956 	release_scratch_buff(&scratch_buff, dbg_buff);
1957 err:
1958 	return rc;
1959 }
1960 
1961 static int collect_fw_devlog(struct cudbg_init *pdbg_init,
1962 			     struct cudbg_buffer *dbg_buff,
1963 			     struct cudbg_error *cudbg_err)
1964 {
1965 #ifdef notyet
1966 	struct adapter *padap = pdbg_init->adap;
1967 	struct devlog_params *dparams = &padap->params.devlog;
1968 	struct cudbg_param *params = NULL;
1969 	struct cudbg_buffer scratch_buff;
1970 	u32 offset;
1971 	int rc = 0, i;
1972 
1973 	rc = t4_init_devlog_params(padap, 1);
1974 
1975 	if (rc < 0) {
1976 		pdbg_init->print("%s(), t4_init_devlog_params failed!, rc: "\
1977 				 "%d\n", __func__, rc);
1978 		for (i = 0; i < pdbg_init->dbg_params_cnt; i++) {
1979 			if (pdbg_init->dbg_params[i].param_type ==
1980 			    CUDBG_DEVLOG_PARAM) {
1981 				params = &pdbg_init->dbg_params[i];
1982 				break;
1983 			}
1984 		}
1985 
1986 		if (params) {
1987 			dparams->memtype = params->u.devlog_param.memtype;
1988 			dparams->start = params->u.devlog_param.start;
1989 			dparams->size = params->u.devlog_param.size;
1990 		} else {
1991 			cudbg_err->sys_err = rc;
1992 			goto err;
1993 		}
1994 	}
1995 
1996 	rc = get_scratch_buff(dbg_buff, dparams->size, &scratch_buff);
1997 
1998 	if (rc)
1999 		goto err;
2000 
2001 	/* Collect FW devlog */
2002 	if (dparams->start != 0) {
2003 		offset = scratch_buff.offset;
2004 		rc = t4_memory_rw(padap, padap->params.drv_memwin,
2005 				  dparams->memtype, dparams->start,
2006 				  dparams->size,
2007 				  (__be32 *)((char *)scratch_buff.data +
2008 					     offset), 1);
2009 
2010 		if (rc) {
2011 			pdbg_init->print("%s(), t4_memory_rw failed!, rc: "\
2012 					 "%d\n", __func__, rc);
2013 			cudbg_err->sys_err = rc;
2014 			goto err1;
2015 		}
2016 	}
2017 
2018 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
2019 
2020 	if (rc)
2021 		goto err1;
2022 
2023 	rc = compress_buff(&scratch_buff, dbg_buff);
2024 
2025 err1:
2026 	release_scratch_buff(&scratch_buff, dbg_buff);
2027 err:
2028 	return rc;
2029 #endif
2030 	return (EDOOFUS);
2031 }
2032 /* CIM OBQ */
2033 
2034 static int collect_cim_obq_ulp0(struct cudbg_init *pdbg_init,
2035 				struct cudbg_buffer *dbg_buff,
2036 				struct cudbg_error *cudbg_err)
2037 {
2038 	int rc = 0, qid = 0;
2039 
2040 	rc = read_cim_obq(pdbg_init, dbg_buff, cudbg_err, qid);
2041 
2042 	return rc;
2043 }
2044 
2045 static int collect_cim_obq_ulp1(struct cudbg_init *pdbg_init,
2046 				struct cudbg_buffer *dbg_buff,
2047 				struct cudbg_error *cudbg_err)
2048 {
2049 	int rc = 0, qid = 1;
2050 
2051 	rc = read_cim_obq(pdbg_init, dbg_buff, cudbg_err, qid);
2052 
2053 	return rc;
2054 }
2055 
2056 static int collect_cim_obq_ulp2(struct cudbg_init *pdbg_init,
2057 				struct cudbg_buffer *dbg_buff,
2058 				struct cudbg_error *cudbg_err)
2059 {
2060 	int rc = 0, qid = 2;
2061 
2062 	rc = read_cim_obq(pdbg_init, dbg_buff, cudbg_err, qid);
2063 
2064 	return rc;
2065 }
2066 
2067 static int collect_cim_obq_ulp3(struct cudbg_init *pdbg_init,
2068 				struct cudbg_buffer *dbg_buff,
2069 				struct cudbg_error *cudbg_err)
2070 {
2071 	int rc = 0, qid = 3;
2072 
2073 	rc = read_cim_obq(pdbg_init, dbg_buff, cudbg_err, qid);
2074 
2075 	return rc;
2076 }
2077 
2078 static int collect_cim_obq_sge(struct cudbg_init *pdbg_init,
2079 			       struct cudbg_buffer *dbg_buff,
2080 			       struct cudbg_error *cudbg_err)
2081 {
2082 	int rc = 0, qid = 4;
2083 
2084 	rc = read_cim_obq(pdbg_init, dbg_buff, cudbg_err, qid);
2085 
2086 	return rc;
2087 }
2088 
2089 static int collect_cim_obq_ncsi(struct cudbg_init *pdbg_init,
2090 				struct cudbg_buffer *dbg_buff,
2091 				struct cudbg_error *cudbg_err)
2092 {
2093 	int rc = 0, qid = 5;
2094 
2095 	rc = read_cim_obq(pdbg_init, dbg_buff, cudbg_err, qid);
2096 
2097 	return rc;
2098 }
2099 
2100 static int collect_obq_sge_rx_q0(struct cudbg_init *pdbg_init,
2101 				 struct cudbg_buffer *dbg_buff,
2102 				 struct cudbg_error *cudbg_err)
2103 {
2104 	int rc = 0, qid = 6;
2105 
2106 	rc = read_cim_obq(pdbg_init, dbg_buff, cudbg_err, qid);
2107 
2108 	return rc;
2109 }
2110 
2111 static int collect_obq_sge_rx_q1(struct cudbg_init *pdbg_init,
2112 				 struct cudbg_buffer *dbg_buff,
2113 				 struct cudbg_error *cudbg_err)
2114 {
2115 	int rc = 0, qid = 7;
2116 
2117 	rc = read_cim_obq(pdbg_init, dbg_buff, cudbg_err, qid);
2118 
2119 	return rc;
2120 }
2121 
2122 static int read_cim_obq(struct cudbg_init *pdbg_init,
2123 			struct cudbg_buffer *dbg_buff,
2124 			struct cudbg_error *cudbg_err, int qid)
2125 {
2126 	struct cudbg_buffer scratch_buff;
2127 	struct adapter *padap = pdbg_init->adap;
2128 	u32 qsize;
2129 	int rc;
2130 	int no_of_read_words;
2131 
2132 	/* collect CIM OBQ */
2133 	qsize =  6 * CIM_OBQ_SIZE * 4 *  sizeof(u32);
2134 	rc = get_scratch_buff(dbg_buff, qsize, &scratch_buff);
2135 	if (rc)
2136 		goto err;
2137 
2138 	/* t4_read_cim_obq will return no. of read words or error */
2139 	no_of_read_words = t4_read_cim_obq(padap, qid,
2140 					   (u32 *)((u32 *)scratch_buff.data +
2141 					   scratch_buff.offset), qsize);
2142 
2143 	/* no_of_read_words is less than or equal to 0 means error */
2144 	if (no_of_read_words <= 0) {
2145 		if (no_of_read_words == 0)
2146 			rc = CUDBG_SYSTEM_ERROR;
2147 		else
2148 			rc = no_of_read_words;
2149 		if (pdbg_init->verbose)
2150 			pdbg_init->print("%s: t4_read_cim_obq failed (%d)\n",
2151 				 __func__, rc);
2152 		cudbg_err->sys_err = rc;
2153 		goto err1;
2154 	}
2155 
2156 	scratch_buff.size = no_of_read_words * 4;
2157 
2158 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
2159 
2160 	if (rc)
2161 		goto err1;
2162 
2163 	rc = compress_buff(&scratch_buff, dbg_buff);
2164 
2165 	if (rc)
2166 		goto err1;
2167 
2168 err1:
2169 	release_scratch_buff(&scratch_buff, dbg_buff);
2170 err:
2171 	return rc;
2172 }
2173 
2174 /* CIM IBQ */
2175 
2176 static int collect_cim_ibq_tp0(struct cudbg_init *pdbg_init,
2177 			       struct cudbg_buffer *dbg_buff,
2178 			       struct cudbg_error *cudbg_err)
2179 {
2180 	int rc = 0, qid = 0;
2181 
2182 	rc = read_cim_ibq(pdbg_init, dbg_buff, cudbg_err, qid);
2183 	return rc;
2184 }
2185 
2186 static int collect_cim_ibq_tp1(struct cudbg_init *pdbg_init,
2187 			       struct cudbg_buffer *dbg_buff,
2188 			       struct cudbg_error *cudbg_err)
2189 {
2190 	int rc = 0, qid = 1;
2191 
2192 	rc = read_cim_ibq(pdbg_init, dbg_buff, cudbg_err, qid);
2193 	return rc;
2194 }
2195 
2196 static int collect_cim_ibq_ulp(struct cudbg_init *pdbg_init,
2197 			       struct cudbg_buffer *dbg_buff,
2198 			       struct cudbg_error *cudbg_err)
2199 {
2200 	int rc = 0, qid = 2;
2201 
2202 	rc = read_cim_ibq(pdbg_init, dbg_buff, cudbg_err, qid);
2203 	return rc;
2204 }
2205 
2206 static int collect_cim_ibq_sge0(struct cudbg_init *pdbg_init,
2207 				struct cudbg_buffer *dbg_buff,
2208 				struct cudbg_error *cudbg_err)
2209 {
2210 	int rc = 0, qid = 3;
2211 
2212 	rc = read_cim_ibq(pdbg_init, dbg_buff, cudbg_err, qid);
2213 	return rc;
2214 }
2215 
2216 static int collect_cim_ibq_sge1(struct cudbg_init *pdbg_init,
2217 				struct cudbg_buffer *dbg_buff,
2218 				struct cudbg_error *cudbg_err)
2219 {
2220 	int rc = 0, qid = 4;
2221 
2222 	rc = read_cim_ibq(pdbg_init, dbg_buff, cudbg_err, qid);
2223 	return rc;
2224 }
2225 
2226 static int collect_cim_ibq_ncsi(struct cudbg_init *pdbg_init,
2227 				struct cudbg_buffer *dbg_buff,
2228 				struct cudbg_error *cudbg_err)
2229 {
2230 	int rc, qid = 5;
2231 
2232 	rc = read_cim_ibq(pdbg_init, dbg_buff, cudbg_err, qid);
2233 	return rc;
2234 }
2235 
2236 static int read_cim_ibq(struct cudbg_init *pdbg_init,
2237 			struct cudbg_buffer *dbg_buff,
2238 			struct cudbg_error *cudbg_err, int qid)
2239 {
2240 	struct adapter *padap = pdbg_init->adap;
2241 	struct cudbg_buffer scratch_buff;
2242 	u32 qsize;
2243 	int rc;
2244 	int no_of_read_words;
2245 
2246 	/* collect CIM IBQ */
2247 	qsize = CIM_IBQ_SIZE * 4 *  sizeof(u32);
2248 	rc = get_scratch_buff(dbg_buff, qsize, &scratch_buff);
2249 
2250 	if (rc)
2251 		goto err;
2252 
2253 	/* t4_read_cim_ibq will return no. of read words or error */
2254 	no_of_read_words = t4_read_cim_ibq(padap, qid,
2255 					   (u32 *)((u32 *)scratch_buff.data +
2256 					   scratch_buff.offset), qsize);
2257 	/* no_of_read_words is less than or equal to 0 means error */
2258 	if (no_of_read_words <= 0) {
2259 		if (no_of_read_words == 0)
2260 			rc = CUDBG_SYSTEM_ERROR;
2261 		else
2262 			rc = no_of_read_words;
2263 		if (pdbg_init->verbose)
2264 			pdbg_init->print("%s: t4_read_cim_ibq failed (%d)\n",
2265 				 __func__, rc);
2266 		cudbg_err->sys_err = rc;
2267 		goto err1;
2268 	}
2269 
2270 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
2271 	if (rc)
2272 		goto err1;
2273 
2274 	rc = compress_buff(&scratch_buff, dbg_buff);
2275 	if (rc)
2276 		goto err1;
2277 
2278 err1:
2279 	release_scratch_buff(&scratch_buff, dbg_buff);
2280 
2281 err:
2282 	return rc;
2283 }
2284 
2285 static int collect_cim_ma_la(struct cudbg_init *pdbg_init,
2286 			     struct cudbg_buffer *dbg_buff,
2287 			     struct cudbg_error *cudbg_err)
2288 {
2289 	struct cudbg_buffer scratch_buff;
2290 	struct adapter *padap = pdbg_init->adap;
2291 	u32 rc = 0;
2292 
2293 	/* collect CIM MA LA */
2294 	scratch_buff.size =  2 * CIM_MALA_SIZE * 5 * sizeof(u32);
2295 	rc = get_scratch_buff(dbg_buff, scratch_buff.size, &scratch_buff);
2296 	if (rc)
2297 		goto err;
2298 
2299 	/* no return */
2300 	t4_cim_read_ma_la(padap,
2301 			  (u32 *) ((char *)scratch_buff.data +
2302 				   scratch_buff.offset),
2303 			  (u32 *) ((char *)scratch_buff.data +
2304 				   scratch_buff.offset + 5 * CIM_MALA_SIZE));
2305 
2306 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
2307 	if (rc)
2308 		goto err1;
2309 
2310 	rc = compress_buff(&scratch_buff, dbg_buff);
2311 
2312 err1:
2313 	release_scratch_buff(&scratch_buff, dbg_buff);
2314 err:
2315 	return rc;
2316 }
2317 
2318 static int collect_cim_la(struct cudbg_init *pdbg_init,
2319 			  struct cudbg_buffer *dbg_buff,
2320 			  struct cudbg_error *cudbg_err)
2321 {
2322 	struct cudbg_buffer scratch_buff;
2323 	struct adapter *padap = pdbg_init->adap;
2324 
2325 	int rc;
2326 	u32 cfg = 0;
2327 	int size;
2328 
2329 	/* collect CIM LA */
2330 	if (is_t6(padap)) {
2331 		size = padap->params.cim_la_size / 10 + 1;
2332 		size *= 11 * sizeof(u32);
2333 	} else {
2334 		size = padap->params.cim_la_size / 8;
2335 		size *= 8 * sizeof(u32);
2336 	}
2337 
2338 	size += sizeof(cfg);
2339 
2340 	rc = get_scratch_buff(dbg_buff, size, &scratch_buff);
2341 	if (rc)
2342 		goto err;
2343 
2344 	rc = t4_cim_read(padap, A_UP_UP_DBG_LA_CFG, 1, &cfg);
2345 
2346 	if (rc) {
2347 		if (pdbg_init->verbose)
2348 			pdbg_init->print("%s: t4_cim_read failed (%d)\n",
2349 				 __func__, rc);
2350 		cudbg_err->sys_err = rc;
2351 		goto err1;
2352 	}
2353 
2354 	memcpy((char *)scratch_buff.data + scratch_buff.offset, &cfg,
2355 	       sizeof(cfg));
2356 
2357 	rc = t4_cim_read_la(padap,
2358 			    (u32 *) ((char *)scratch_buff.data +
2359 				     scratch_buff.offset + sizeof(cfg)), NULL);
2360 	if (rc < 0) {
2361 		if (pdbg_init->verbose)
2362 			pdbg_init->print("%s: t4_cim_read_la failed (%d)\n",
2363 				 __func__, rc);
2364 		cudbg_err->sys_err = rc;
2365 		goto err1;
2366 	}
2367 
2368 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
2369 	if (rc)
2370 		goto err1;
2371 
2372 	rc = compress_buff(&scratch_buff, dbg_buff);
2373 	if (rc)
2374 		goto err1;
2375 
2376 err1:
2377 	release_scratch_buff(&scratch_buff, dbg_buff);
2378 err:
2379 	return rc;
2380 }
2381 
2382 static int collect_cim_qcfg(struct cudbg_init *pdbg_init,
2383 			    struct cudbg_buffer *dbg_buff,
2384 			    struct cudbg_error *cudbg_err)
2385 {
2386 	struct cudbg_buffer scratch_buff;
2387 	struct adapter *padap = pdbg_init->adap;
2388 	u32 offset;
2389 	int cim_num_obq, rc = 0;
2390 
2391 	struct struct_cim_qcfg *cim_qcfg_data = NULL;
2392 
2393 	rc = get_scratch_buff(dbg_buff, sizeof(struct struct_cim_qcfg),
2394 			      &scratch_buff);
2395 
2396 	if (rc)
2397 		goto err;
2398 
2399 	offset = scratch_buff.offset;
2400 
2401 	cim_num_obq = is_t4(padap) ? CIM_NUM_OBQ : CIM_NUM_OBQ_T5;
2402 
2403 	cim_qcfg_data =
2404 		(struct struct_cim_qcfg *)((u8 *)((char *)scratch_buff.data +
2405 					   offset));
2406 
2407 	rc = t4_cim_read(padap, A_UP_IBQ_0_RDADDR,
2408 			 ARRAY_SIZE(cim_qcfg_data->stat), cim_qcfg_data->stat);
2409 
2410 	if (rc) {
2411 		if (pdbg_init->verbose)
2412 			pdbg_init->print("%s: t4_cim_read IBQ_0_RDADDR failed (%d)\n",
2413 			    __func__, rc);
2414 		cudbg_err->sys_err = rc;
2415 		goto err1;
2416 	}
2417 
2418 	rc = t4_cim_read(padap, A_UP_OBQ_0_REALADDR,
2419 			 ARRAY_SIZE(cim_qcfg_data->obq_wr),
2420 			 cim_qcfg_data->obq_wr);
2421 
2422 	if (rc) {
2423 		if (pdbg_init->verbose)
2424 			pdbg_init->print("%s: t4_cim_read OBQ_0_REALADDR failed (%d)\n",
2425 			    __func__, rc);
2426 		cudbg_err->sys_err = rc;
2427 		goto err1;
2428 	}
2429 
2430 	/* no return val */
2431 	t4_read_cimq_cfg(padap,
2432 			cim_qcfg_data->base,
2433 			cim_qcfg_data->size,
2434 			cim_qcfg_data->thres);
2435 
2436 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
2437 	if (rc)
2438 		goto err1;
2439 
2440 	rc = compress_buff(&scratch_buff, dbg_buff);
2441 	if (rc)
2442 		goto err1;
2443 
2444 err1:
2445 	release_scratch_buff(&scratch_buff, dbg_buff);
2446 err:
2447 	return rc;
2448 }
2449 
2450 /**
2451  * Fetch the TX/RX payload regions start and end.
2452  *
2453  * @padap (IN): adapter handle.
2454  * @mem_type (IN): EDC0, EDC1, MC/MC0/MC1.
2455  * @mem_tot_len (IN): total length of @mem_type memory region to read.
2456  * @payload_type (IN): TX or RX Payload.
2457  * @reg_info (OUT): store the payload region info.
2458  *
2459  * Fetch the TX/RX payload region information from meminfo.
2460  * However, reading from the @mem_type region starts at 0 and not
2461  * from whatever base info is stored in meminfo.  Hence, if the
2462  * payload region exists, then calculate the payload region
2463  * start and end wrt 0 and @mem_tot_len, respectively, and set
2464  * @reg_info->exist to true. Otherwise, set @reg_info->exist to false.
2465  */
2466 #ifdef notyet
2467 static int get_payload_range(struct adapter *padap, u8 mem_type,
2468 			     unsigned long mem_tot_len, u8 payload_type,
2469 			     struct struct_region_info *reg_info)
2470 {
2471 	struct struct_meminfo meminfo;
2472 	struct struct_mem_desc mem_region;
2473 	struct struct_mem_desc payload;
2474 	u32 i, idx, found = 0;
2475 	u8 mc_type;
2476 	int rc;
2477 
2478 	/* Get meminfo of all regions */
2479 	rc = fill_meminfo(padap, &meminfo);
2480 	if (rc)
2481 		return rc;
2482 
2483 	/* Extract the specified TX or RX Payload region range */
2484 	memset(&payload, 0, sizeof(struct struct_mem_desc));
2485 	for (i = 0; i < meminfo.mem_c; i++) {
2486 		if (meminfo.mem[i].idx >= ARRAY_SIZE(region))
2487 			continue;                        /* skip holes */
2488 
2489 		idx = meminfo.mem[i].idx;
2490 		/* Get TX or RX Payload region start and end */
2491 		if (idx == payload_type) {
2492 			if (!(meminfo.mem[i].limit))
2493 				meminfo.mem[i].limit =
2494 					i < meminfo.mem_c - 1 ?
2495 					meminfo.mem[i + 1].base - 1 : ~0;
2496 
2497 			memcpy(&payload, &meminfo.mem[i], sizeof(payload));
2498 			found = 1;
2499 			break;
2500 		}
2501 	}
2502 
2503 	/* If TX or RX Payload region is not found return error. */
2504 	if (!found)
2505 		return -EINVAL;
2506 
2507 	if (mem_type < MEM_MC) {
2508 		memcpy(&mem_region, &meminfo.avail[mem_type],
2509 		       sizeof(mem_region));
2510 	} else {
2511 		/* Check if both MC0 and MC1 exist by checking if a
2512 		 * base address for the specified @mem_type exists.
2513 		 * If a base address exists, then there is MC1 and
2514 		 * hence use the base address stored at index 3.
2515 		 * Otherwise, use the base address stored at index 2.
2516 		 */
2517 		mc_type = meminfo.avail[mem_type].base ?
2518 			  mem_type : mem_type - 1;
2519 		memcpy(&mem_region, &meminfo.avail[mc_type],
2520 		       sizeof(mem_region));
2521 	}
2522 
2523 	/* Check if payload region exists in current memory */
2524 	if (payload.base < mem_region.base && payload.limit < mem_region.base) {
2525 		reg_info->exist = false;
2526 		return 0;
2527 	}
2528 
2529 	/* Get Payload region start and end with respect to 0 and
2530 	 * mem_tot_len, respectively.  This is because reading from the
2531 	 * memory region starts at 0 and not at base info stored in meminfo.
2532 	 */
2533 	if (payload.base < mem_region.limit) {
2534 		reg_info->exist = true;
2535 		if (payload.base >= mem_region.base)
2536 			reg_info->start = payload.base - mem_region.base;
2537 		else
2538 			reg_info->start = 0;
2539 
2540 		if (payload.limit < mem_region.limit)
2541 			reg_info->end = payload.limit - mem_region.base;
2542 		else
2543 			reg_info->end = mem_tot_len;
2544 	}
2545 
2546 	return 0;
2547 }
2548 #endif
2549 
2550 static int read_fw_mem(struct cudbg_init *pdbg_init,
2551 			struct cudbg_buffer *dbg_buff, u8 mem_type,
2552 			unsigned long tot_len, struct cudbg_error *cudbg_err)
2553 {
2554 #ifdef notyet
2555 	struct cudbg_buffer scratch_buff;
2556 	struct adapter *padap = pdbg_init->adap;
2557 	unsigned long bytes_read = 0;
2558 	unsigned long bytes_left;
2559 	unsigned long bytes;
2560 	int	      rc;
2561 	struct struct_region_info payload[2]; /* TX and RX Payload Region */
2562 	u16 get_payload_flag;
2563 	u8 i;
2564 
2565 	get_payload_flag =
2566 		pdbg_init->dbg_params[CUDBG_GET_PAYLOAD_PARAM].param_type;
2567 
2568 	/* If explicitly asked to get TX/RX Payload data,
2569 	 * then don't zero out the payload data. Otherwise,
2570 	 * zero out the payload data.
2571 	 */
2572 	if (!get_payload_flag) {
2573 		u8 region_index[2];
2574 		u8 j = 0;
2575 
2576 		/* Find the index of TX and RX Payload regions in meminfo */
2577 		for (i = 0; i < ARRAY_SIZE(region); i++) {
2578 			if (!strcmp(region[i], "Tx payload:") ||
2579 			    !strcmp(region[i], "Rx payload:")) {
2580 				region_index[j] = i;
2581 				j++;
2582 				if (j == 2)
2583 					break;
2584 			}
2585 		}
2586 
2587 		/* Get TX/RX Payload region range if they exist */
2588 		memset(payload, 0, ARRAY_SIZE(payload) * sizeof(payload[0]));
2589 		for (i = 0; i < ARRAY_SIZE(payload); i++) {
2590 			rc = get_payload_range(padap, mem_type, tot_len,
2591 					       region_index[i],
2592 					       &payload[i]);
2593 			if (rc)
2594 				goto err;
2595 
2596 			if (payload[i].exist) {
2597 				/* Align start and end to avoid wrap around */
2598 				payload[i].start =
2599 					roundup(payload[i].start,
2600 					    CUDBG_CHUNK_SIZE);
2601 				payload[i].end =
2602 					rounddown(payload[i].end,
2603 					    CUDBG_CHUNK_SIZE);
2604 			}
2605 		}
2606 	}
2607 
2608 	bytes_left = tot_len;
2609 	scratch_buff.size = tot_len;
2610 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
2611 	if (rc)
2612 		goto err;
2613 
2614 	while (bytes_left > 0) {
2615 		bytes = min_t(unsigned long, bytes_left, (unsigned long)CUDBG_CHUNK_SIZE);
2616 		rc = get_scratch_buff(dbg_buff, bytes, &scratch_buff);
2617 
2618 		if (rc) {
2619 			rc = CUDBG_STATUS_NO_SCRATCH_MEM;
2620 			goto err;
2621 		}
2622 
2623 		if (!get_payload_flag) {
2624 			for (i = 0; i < ARRAY_SIZE(payload); i++) {
2625 				if (payload[i].exist &&
2626 				    bytes_read >= payload[i].start &&
2627 				    (bytes_read + bytes) <= payload[i].end) {
2628 					memset(scratch_buff.data, 0, bytes);
2629 					/* TX and RX Payload regions
2630 					 * can't overlap.
2631 					 */
2632 					goto skip_read;
2633 				}
2634 			}
2635 		}
2636 
2637 		/* Read from file */
2638 		/*fread(scratch_buff.data, 1, Bytes, in);*/
2639 		rc = t4_memory_rw(padap, MEMWIN_NIC, mem_type, bytes_read,
2640 				  bytes, (__be32 *)(scratch_buff.data), 1);
2641 
2642 		if (rc) {
2643 			if (pdbg_init->verbose)
2644 				pdbg_init->print("%s: t4_memory_rw failed (%d)",
2645 				    __func__, rc);
2646 			cudbg_err->sys_err = rc;
2647 			goto err1;
2648 		}
2649 
2650 skip_read:
2651 		rc = compress_buff(&scratch_buff, dbg_buff);
2652 		if (rc)
2653 			goto err1;
2654 
2655 		bytes_left -= bytes;
2656 		bytes_read += bytes;
2657 		release_scratch_buff(&scratch_buff, dbg_buff);
2658 	}
2659 
2660 err1:
2661 	if (rc)
2662 		release_scratch_buff(&scratch_buff, dbg_buff);
2663 
2664 err:
2665 	return rc;
2666 #endif
2667 	return (EDOOFUS);
2668 }
2669 
2670 static void collect_mem_info(struct cudbg_init *pdbg_init,
2671 			     struct card_mem *mem_info)
2672 {
2673 	struct adapter *padap = pdbg_init->adap;
2674 	u32 value;
2675 	int t4 = 0;
2676 
2677 	if (is_t4(padap))
2678 		t4 = 1;
2679 
2680 	if (t4) {
2681 		value = t4_read_reg(padap, A_MA_EXT_MEMORY_BAR);
2682 		value = G_EXT_MEM_SIZE(value);
2683 		mem_info->size_mc0 = (u16)value;  /* size in MB */
2684 
2685 		value = t4_read_reg(padap, A_MA_TARGET_MEM_ENABLE);
2686 		if (value & F_EXT_MEM_ENABLE)
2687 			mem_info->mem_flag |= (1 << MC0_FLAG); /* set mc0 flag
2688 								  bit */
2689 	} else {
2690 		value = t4_read_reg(padap, A_MA_EXT_MEMORY0_BAR);
2691 		value = G_EXT_MEM0_SIZE(value);
2692 		mem_info->size_mc0 = (u16)value;
2693 
2694 		value = t4_read_reg(padap, A_MA_EXT_MEMORY1_BAR);
2695 		value = G_EXT_MEM1_SIZE(value);
2696 		mem_info->size_mc1 = (u16)value;
2697 
2698 		value = t4_read_reg(padap, A_MA_TARGET_MEM_ENABLE);
2699 		if (value & F_EXT_MEM0_ENABLE)
2700 			mem_info->mem_flag |= (1 << MC0_FLAG);
2701 		if (value & F_EXT_MEM1_ENABLE)
2702 			mem_info->mem_flag |= (1 << MC1_FLAG);
2703 	}
2704 
2705 	value = t4_read_reg(padap, A_MA_EDRAM0_BAR);
2706 	value = G_EDRAM0_SIZE(value);
2707 	mem_info->size_edc0 = (u16)value;
2708 
2709 	value = t4_read_reg(padap, A_MA_EDRAM1_BAR);
2710 	value = G_EDRAM1_SIZE(value);
2711 	mem_info->size_edc1 = (u16)value;
2712 
2713 	value = t4_read_reg(padap, A_MA_TARGET_MEM_ENABLE);
2714 	if (value & F_EDRAM0_ENABLE)
2715 		mem_info->mem_flag |= (1 << EDC0_FLAG);
2716 	if (value & F_EDRAM1_ENABLE)
2717 		mem_info->mem_flag |= (1 << EDC1_FLAG);
2718 
2719 }
2720 
2721 static void cudbg_t4_fwcache(struct cudbg_init *pdbg_init,
2722 				struct cudbg_error *cudbg_err)
2723 {
2724 	struct adapter *padap = pdbg_init->adap;
2725 	int rc;
2726 
2727 	if (is_fw_attached(pdbg_init)) {
2728 
2729 		/* Flush uP dcache before reading edcX/mcX  */
2730 		rc = begin_synchronized_op(padap, NULL, SLEEP_OK | INTR_OK,
2731 		    "t4cudl");
2732 		if (rc == 0) {
2733 			rc = t4_fwcache(padap, FW_PARAM_DEV_FWCACHE_FLUSH);
2734 			end_synchronized_op(padap, 0);
2735 		}
2736 
2737 		if (rc) {
2738 			if (pdbg_init->verbose)
2739 				pdbg_init->print("%s: t4_fwcache failed (%d)\n",
2740 				 __func__, rc);
2741 			cudbg_err->sys_warn = rc;
2742 		}
2743 	}
2744 }
2745 
2746 static int collect_edc0_meminfo(struct cudbg_init *pdbg_init,
2747 				struct cudbg_buffer *dbg_buff,
2748 				struct cudbg_error *cudbg_err)
2749 {
2750 	struct card_mem mem_info = {0};
2751 	unsigned long edc0_size;
2752 	int rc;
2753 
2754 	cudbg_t4_fwcache(pdbg_init, cudbg_err);
2755 
2756 	collect_mem_info(pdbg_init, &mem_info);
2757 
2758 	if (mem_info.mem_flag & (1 << EDC0_FLAG)) {
2759 		edc0_size = (((unsigned long)mem_info.size_edc0) * 1024 * 1024);
2760 		rc = read_fw_mem(pdbg_init, dbg_buff, MEM_EDC0,
2761 				 edc0_size, cudbg_err);
2762 		if (rc)
2763 			goto err;
2764 
2765 	} else {
2766 		rc = CUDBG_STATUS_ENTITY_NOT_FOUND;
2767 		if (pdbg_init->verbose)
2768 			pdbg_init->print("%s(), collect_mem_info failed!, %s\n",
2769 				 __func__, err_msg[-rc]);
2770 		goto err;
2771 
2772 	}
2773 err:
2774 	return rc;
2775 }
2776 
2777 static int collect_edc1_meminfo(struct cudbg_init *pdbg_init,
2778 				struct cudbg_buffer *dbg_buff,
2779 				struct cudbg_error *cudbg_err)
2780 {
2781 	struct card_mem mem_info = {0};
2782 	unsigned long edc1_size;
2783 	int rc;
2784 
2785 	cudbg_t4_fwcache(pdbg_init, cudbg_err);
2786 
2787 	collect_mem_info(pdbg_init, &mem_info);
2788 
2789 	if (mem_info.mem_flag & (1 << EDC1_FLAG)) {
2790 		edc1_size = (((unsigned long)mem_info.size_edc1) * 1024 * 1024);
2791 		rc = read_fw_mem(pdbg_init, dbg_buff, MEM_EDC1,
2792 				 edc1_size, cudbg_err);
2793 		if (rc)
2794 			goto err;
2795 	} else {
2796 		rc = CUDBG_STATUS_ENTITY_NOT_FOUND;
2797 		if (pdbg_init->verbose)
2798 			pdbg_init->print("%s(), collect_mem_info failed!, %s\n",
2799 				 __func__, err_msg[-rc]);
2800 		goto err;
2801 	}
2802 
2803 err:
2804 
2805 	return rc;
2806 }
2807 
2808 static int collect_mc0_meminfo(struct cudbg_init *pdbg_init,
2809 			       struct cudbg_buffer *dbg_buff,
2810 			       struct cudbg_error *cudbg_err)
2811 {
2812 	struct card_mem mem_info = {0};
2813 	unsigned long mc0_size;
2814 	int rc;
2815 
2816 	cudbg_t4_fwcache(pdbg_init, cudbg_err);
2817 
2818 	collect_mem_info(pdbg_init, &mem_info);
2819 
2820 	if (mem_info.mem_flag & (1 << MC0_FLAG)) {
2821 		mc0_size = (((unsigned long)mem_info.size_mc0) * 1024 * 1024);
2822 		rc = read_fw_mem(pdbg_init, dbg_buff, MEM_MC0,
2823 				 mc0_size, cudbg_err);
2824 		if (rc)
2825 			goto err;
2826 	} else {
2827 		rc = CUDBG_STATUS_ENTITY_NOT_FOUND;
2828 		if (pdbg_init->verbose)
2829 			pdbg_init->print("%s(), collect_mem_info failed!, %s\n",
2830 				 __func__, err_msg[-rc]);
2831 		goto err;
2832 	}
2833 
2834 err:
2835 	return rc;
2836 }
2837 
2838 static int collect_mc1_meminfo(struct cudbg_init *pdbg_init,
2839 			       struct cudbg_buffer *dbg_buff,
2840 			       struct cudbg_error *cudbg_err)
2841 {
2842 	struct card_mem mem_info = {0};
2843 	unsigned long mc1_size;
2844 	int rc;
2845 
2846 	cudbg_t4_fwcache(pdbg_init, cudbg_err);
2847 
2848 	collect_mem_info(pdbg_init, &mem_info);
2849 
2850 	if (mem_info.mem_flag & (1 << MC1_FLAG)) {
2851 		mc1_size = (((unsigned long)mem_info.size_mc1) * 1024 * 1024);
2852 		rc = read_fw_mem(pdbg_init, dbg_buff, MEM_MC1,
2853 				 mc1_size, cudbg_err);
2854 		if (rc)
2855 			goto err;
2856 	} else {
2857 		rc = CUDBG_STATUS_ENTITY_NOT_FOUND;
2858 
2859 		if (pdbg_init->verbose)
2860 			pdbg_init->print("%s(), collect_mem_info failed!, %s\n",
2861 				 __func__, err_msg[-rc]);
2862 		goto err;
2863 	}
2864 err:
2865 	return rc;
2866 }
2867 
2868 static int collect_reg_dump(struct cudbg_init *pdbg_init,
2869 			    struct cudbg_buffer *dbg_buff,
2870 			    struct cudbg_error *cudbg_err)
2871 {
2872 	struct cudbg_buffer scratch_buff;
2873 	struct cudbg_buffer tmp_scratch_buff;
2874 	struct adapter *padap = pdbg_init->adap;
2875 	unsigned long	     bytes_read = 0;
2876 	unsigned long	     bytes_left;
2877 	u32		     buf_size = 0, bytes = 0;
2878 	int		     rc = 0;
2879 
2880 	if (is_t4(padap))
2881 		buf_size = T4_REGMAP_SIZE ;/*+ sizeof(unsigned int);*/
2882 	else if (is_t5(padap) || is_t6(padap))
2883 		buf_size = T5_REGMAP_SIZE;
2884 
2885 	scratch_buff.size = buf_size;
2886 
2887 	tmp_scratch_buff = scratch_buff;
2888 
2889 	rc = get_scratch_buff(dbg_buff, scratch_buff.size, &scratch_buff);
2890 	if (rc)
2891 		goto err;
2892 
2893 	/* no return */
2894 	t4_get_regs(padap, (void *)scratch_buff.data, scratch_buff.size);
2895 	bytes_left =   scratch_buff.size;
2896 
2897 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
2898 	if (rc)
2899 		goto err1;
2900 
2901 	while (bytes_left > 0) {
2902 		tmp_scratch_buff.data =
2903 			((char *)scratch_buff.data) + bytes_read;
2904 		bytes = min_t(unsigned long, bytes_left, (unsigned long)CUDBG_CHUNK_SIZE);
2905 		tmp_scratch_buff.size = bytes;
2906 		compress_buff(&tmp_scratch_buff, dbg_buff);
2907 		bytes_left -= bytes;
2908 		bytes_read += bytes;
2909 	}
2910 
2911 err1:
2912 	release_scratch_buff(&scratch_buff, dbg_buff);
2913 err:
2914 	return rc;
2915 }
2916 
2917 static int collect_cctrl(struct cudbg_init *pdbg_init,
2918 			 struct cudbg_buffer *dbg_buff,
2919 			 struct cudbg_error *cudbg_err)
2920 {
2921 	struct cudbg_buffer scratch_buff;
2922 	struct adapter *padap = pdbg_init->adap;
2923 	u32 size;
2924 	int rc;
2925 
2926 	size = sizeof(u16) * NMTUS * NCCTRL_WIN;
2927 	scratch_buff.size = size;
2928 
2929 	rc = get_scratch_buff(dbg_buff, scratch_buff.size, &scratch_buff);
2930 	if (rc)
2931 		goto err;
2932 
2933 	t4_read_cong_tbl(padap, (void *)scratch_buff.data);
2934 
2935 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
2936 	if (rc)
2937 		goto err1;
2938 
2939 	rc = compress_buff(&scratch_buff, dbg_buff);
2940 
2941 err1:
2942 	release_scratch_buff(&scratch_buff, dbg_buff);
2943 err:
2944 	return rc;
2945 }
2946 
2947 static int check_busy_bit(struct adapter *padap)
2948 {
2949 	u32 val;
2950 	u32 busy = 1;
2951 	int i = 0;
2952 	int retry = 10;
2953 	int status = 0;
2954 
2955 	while (busy & (1 < retry)) {
2956 		val = t4_read_reg(padap, A_CIM_HOST_ACC_CTRL);
2957 		busy = (0 != (val & CUDBG_CIM_BUSY_BIT));
2958 		i++;
2959 	}
2960 
2961 	if (busy)
2962 		status = -1;
2963 
2964 	return status;
2965 }
2966 
2967 static int cim_ha_rreg(struct adapter *padap, u32 addr, u32 *val)
2968 {
2969 	int rc = 0;
2970 
2971 	/* write register address into the A_CIM_HOST_ACC_CTRL */
2972 	t4_write_reg(padap, A_CIM_HOST_ACC_CTRL, addr);
2973 
2974 	/* Poll HOSTBUSY */
2975 	rc = check_busy_bit(padap);
2976 	if (rc)
2977 		goto err;
2978 
2979 	/* Read value from A_CIM_HOST_ACC_DATA */
2980 	*val = t4_read_reg(padap, A_CIM_HOST_ACC_DATA);
2981 
2982 err:
2983 	return rc;
2984 }
2985 
2986 static int dump_up_cim(struct adapter *padap, struct cudbg_init *pdbg_init,
2987 		       struct ireg_field *up_cim_reg, u32 *buff)
2988 {
2989 	u32 i;
2990 	int rc = 0;
2991 
2992 	for (i = 0; i < up_cim_reg->ireg_offset_range; i++) {
2993 		rc = cim_ha_rreg(padap,
2994 				 up_cim_reg->ireg_local_offset + (i * 4),
2995 				buff);
2996 		if (rc) {
2997 			if (pdbg_init->verbose)
2998 				pdbg_init->print("BUSY timeout reading"
2999 					 "CIM_HOST_ACC_CTRL\n");
3000 			goto err;
3001 		}
3002 
3003 		buff++;
3004 	}
3005 
3006 err:
3007 	return rc;
3008 }
3009 
3010 static int collect_up_cim_indirect(struct cudbg_init *pdbg_init,
3011 				   struct cudbg_buffer *dbg_buff,
3012 				   struct cudbg_error *cudbg_err)
3013 {
3014 	struct cudbg_buffer scratch_buff;
3015 	struct adapter *padap = pdbg_init->adap;
3016 	struct ireg_buf *up_cim;
3017 	u32 size;
3018 	int i, rc, n;
3019 
3020 	n = sizeof(t5_up_cim_reg_array) / (4 * sizeof(u32));
3021 	size = sizeof(struct ireg_buf) * n;
3022 	scratch_buff.size = size;
3023 
3024 	rc = get_scratch_buff(dbg_buff, scratch_buff.size, &scratch_buff);
3025 	if (rc)
3026 		goto err;
3027 
3028 	up_cim = (struct ireg_buf *)scratch_buff.data;
3029 
3030 	for (i = 0; i < n; i++) {
3031 		struct ireg_field *up_cim_reg = &up_cim->tp_pio;
3032 		u32 *buff = up_cim->outbuf;
3033 
3034 		if (is_t5(padap)) {
3035 			up_cim_reg->ireg_addr = t5_up_cim_reg_array[i][0];
3036 			up_cim_reg->ireg_data = t5_up_cim_reg_array[i][1];
3037 			up_cim_reg->ireg_local_offset =
3038 						t5_up_cim_reg_array[i][2];
3039 			up_cim_reg->ireg_offset_range =
3040 						t5_up_cim_reg_array[i][3];
3041 		} else if (is_t6(padap)) {
3042 			up_cim_reg->ireg_addr = t6_up_cim_reg_array[i][0];
3043 			up_cim_reg->ireg_data = t6_up_cim_reg_array[i][1];
3044 			up_cim_reg->ireg_local_offset =
3045 						t6_up_cim_reg_array[i][2];
3046 			up_cim_reg->ireg_offset_range =
3047 						t6_up_cim_reg_array[i][3];
3048 		}
3049 
3050 		rc = dump_up_cim(padap, pdbg_init, up_cim_reg, buff);
3051 
3052 		up_cim++;
3053 	}
3054 
3055 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
3056 	if (rc)
3057 		goto err1;
3058 
3059 	rc = compress_buff(&scratch_buff, dbg_buff);
3060 
3061 err1:
3062 	release_scratch_buff(&scratch_buff, dbg_buff);
3063 err:
3064 	return rc;
3065 }
3066 
3067 static int collect_mbox_log(struct cudbg_init *pdbg_init,
3068 			    struct cudbg_buffer *dbg_buff,
3069 			    struct cudbg_error *cudbg_err)
3070 {
3071 #ifdef notyet
3072 	struct cudbg_buffer scratch_buff;
3073 	struct cudbg_mbox_log *mboxlog = NULL;
3074 	struct mbox_cmd_log *log = NULL;
3075 	struct mbox_cmd *entry;
3076 	u64 flit;
3077 	u32 size;
3078 	unsigned int entry_idx;
3079 	int i, k, rc;
3080 	u16 mbox_cmds;
3081 
3082 	if (pdbg_init->dbg_params[CUDBG_MBOX_LOG_PARAM].u.mboxlog_param.log) {
3083 		log = pdbg_init->dbg_params[CUDBG_MBOX_LOG_PARAM].u.
3084 			mboxlog_param.log;
3085 		mbox_cmds = pdbg_init->dbg_params[CUDBG_MBOX_LOG_PARAM].u.
3086 				mboxlog_param.mbox_cmds;
3087 	} else {
3088 		if (pdbg_init->verbose)
3089 			pdbg_init->print("Mbox log is not requested\n");
3090 		return CUDBG_STATUS_ENTITY_NOT_REQUESTED;
3091 	}
3092 
3093 	size = sizeof(struct cudbg_mbox_log) * mbox_cmds;
3094 	scratch_buff.size = size;
3095 	rc = get_scratch_buff(dbg_buff, scratch_buff.size, &scratch_buff);
3096 	if (rc)
3097 		goto err;
3098 
3099 	mboxlog = (struct cudbg_mbox_log *)scratch_buff.data;
3100 
3101 	for (k = 0; k < mbox_cmds; k++) {
3102 		entry_idx = log->cursor + k;
3103 		if (entry_idx >= log->size)
3104 			entry_idx -= log->size;
3105 		entry = mbox_cmd_log_entry(log, entry_idx);
3106 
3107 		/* skip over unused entries */
3108 		if (entry->timestamp == 0)
3109 			continue;
3110 
3111 		memcpy(&mboxlog->entry, entry, sizeof(struct mbox_cmd));
3112 
3113 		for (i = 0; i < MBOX_LEN / 8; i++) {
3114 			flit = entry->cmd[i];
3115 			mboxlog->hi[i] = (u32)(flit >> 32);
3116 			mboxlog->lo[i] = (u32)flit;
3117 		}
3118 
3119 		mboxlog++;
3120 	}
3121 
3122 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
3123 	if (rc)
3124 		goto err1;
3125 
3126 	rc = compress_buff(&scratch_buff, dbg_buff);
3127 
3128 err1:
3129 	release_scratch_buff(&scratch_buff, dbg_buff);
3130 err:
3131 	return rc;
3132 #endif
3133 	return (EDOOFUS);
3134 }
3135 
3136 static int collect_pbt_tables(struct cudbg_init *pdbg_init,
3137 			      struct cudbg_buffer *dbg_buff,
3138 			      struct cudbg_error *cudbg_err)
3139 {
3140 	struct cudbg_buffer scratch_buff;
3141 	struct adapter *padap = pdbg_init->adap;
3142 	struct cudbg_pbt_tables *pbt = NULL;
3143 	u32 size;
3144 	u32 addr;
3145 	int i, rc;
3146 
3147 	size = sizeof(struct cudbg_pbt_tables);
3148 	scratch_buff.size = size;
3149 
3150 	rc = get_scratch_buff(dbg_buff, scratch_buff.size, &scratch_buff);
3151 	if (rc)
3152 		goto err;
3153 
3154 	pbt = (struct cudbg_pbt_tables *)scratch_buff.data;
3155 
3156 	/* PBT dynamic entries */
3157 	addr = CUDBG_CHAC_PBT_ADDR;
3158 	for (i = 0; i < CUDBG_PBT_DYNAMIC_ENTRIES; i++) {
3159 		rc = cim_ha_rreg(padap, addr + (i * 4), &pbt->pbt_dynamic[i]);
3160 		if (rc) {
3161 			if (pdbg_init->verbose)
3162 				pdbg_init->print("BUSY timeout reading"
3163 					 "CIM_HOST_ACC_CTRL\n");
3164 			goto err1;
3165 		}
3166 	}
3167 
3168 	/* PBT static entries */
3169 
3170 	/* static entries start when bit 6 is set */
3171 	addr = CUDBG_CHAC_PBT_ADDR + (1 << 6);
3172 	for (i = 0; i < CUDBG_PBT_STATIC_ENTRIES; i++) {
3173 		rc = cim_ha_rreg(padap, addr + (i * 4), &pbt->pbt_static[i]);
3174 		if (rc) {
3175 			if (pdbg_init->verbose)
3176 				pdbg_init->print("BUSY timeout reading"
3177 					 "CIM_HOST_ACC_CTRL\n");
3178 			goto err1;
3179 		}
3180 	}
3181 
3182 	/* LRF entries */
3183 	addr = CUDBG_CHAC_PBT_LRF;
3184 	for (i = 0; i < CUDBG_LRF_ENTRIES; i++) {
3185 		rc = cim_ha_rreg(padap, addr + (i * 4), &pbt->lrf_table[i]);
3186 		if (rc) {
3187 			if (pdbg_init->verbose)
3188 				pdbg_init->print("BUSY timeout reading"
3189 					 "CIM_HOST_ACC_CTRL\n");
3190 			goto err1;
3191 		}
3192 	}
3193 
3194 	/* PBT data entries */
3195 	addr = CUDBG_CHAC_PBT_DATA;
3196 	for (i = 0; i < CUDBG_PBT_DATA_ENTRIES; i++) {
3197 		rc = cim_ha_rreg(padap, addr + (i * 4), &pbt->pbt_data[i]);
3198 		if (rc) {
3199 			if (pdbg_init->verbose)
3200 				pdbg_init->print("BUSY timeout reading"
3201 					 "CIM_HOST_ACC_CTRL\n");
3202 			goto err1;
3203 		}
3204 	}
3205 
3206 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
3207 	if (rc)
3208 		goto err1;
3209 
3210 	rc = compress_buff(&scratch_buff, dbg_buff);
3211 
3212 err1:
3213 	release_scratch_buff(&scratch_buff, dbg_buff);
3214 err:
3215 	return rc;
3216 }
3217 
3218 static int collect_pm_indirect(struct cudbg_init *pdbg_init,
3219 			       struct cudbg_buffer *dbg_buff,
3220 			       struct cudbg_error *cudbg_err)
3221 {
3222 	struct cudbg_buffer scratch_buff;
3223 	struct adapter *padap = pdbg_init->adap;
3224 	struct ireg_buf *ch_pm;
3225 	u32 size;
3226 	int i, rc, n;
3227 
3228 	n = sizeof(t5_pm_rx_array) / (4 * sizeof(u32));
3229 	size = sizeof(struct ireg_buf) * n * 2;
3230 	scratch_buff.size = size;
3231 
3232 	rc = get_scratch_buff(dbg_buff, scratch_buff.size, &scratch_buff);
3233 	if (rc)
3234 		goto err;
3235 
3236 	ch_pm = (struct ireg_buf *)scratch_buff.data;
3237 
3238 	/*PM_RX*/
3239 	for (i = 0; i < n; i++) {
3240 		struct ireg_field *pm_pio = &ch_pm->tp_pio;
3241 		u32 *buff = ch_pm->outbuf;
3242 
3243 		pm_pio->ireg_addr = t5_pm_rx_array[i][0];
3244 		pm_pio->ireg_data = t5_pm_rx_array[i][1];
3245 		pm_pio->ireg_local_offset = t5_pm_rx_array[i][2];
3246 		pm_pio->ireg_offset_range = t5_pm_rx_array[i][3];
3247 
3248 		t4_read_indirect(padap,
3249 				pm_pio->ireg_addr,
3250 				pm_pio->ireg_data,
3251 				buff,
3252 				pm_pio->ireg_offset_range,
3253 				pm_pio->ireg_local_offset);
3254 
3255 		ch_pm++;
3256 	}
3257 
3258 	/*PM_Tx*/
3259 	n = sizeof(t5_pm_tx_array) / (4 * sizeof(u32));
3260 	for (i = 0; i < n; i++) {
3261 		struct ireg_field *pm_pio = &ch_pm->tp_pio;
3262 		u32 *buff = ch_pm->outbuf;
3263 
3264 		pm_pio->ireg_addr = t5_pm_tx_array[i][0];
3265 		pm_pio->ireg_data = t5_pm_tx_array[i][1];
3266 		pm_pio->ireg_local_offset = t5_pm_tx_array[i][2];
3267 		pm_pio->ireg_offset_range = t5_pm_tx_array[i][3];
3268 
3269 		t4_read_indirect(padap,
3270 				pm_pio->ireg_addr,
3271 				pm_pio->ireg_data,
3272 				buff,
3273 				pm_pio->ireg_offset_range,
3274 				pm_pio->ireg_local_offset);
3275 
3276 		ch_pm++;
3277 	}
3278 
3279 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
3280 	if (rc)
3281 		goto err1;
3282 
3283 	rc = compress_buff(&scratch_buff, dbg_buff);
3284 
3285 err1:
3286 	release_scratch_buff(&scratch_buff, dbg_buff);
3287 err:
3288 	return rc;
3289 
3290 }
3291 
3292 static int collect_tid(struct cudbg_init *pdbg_init,
3293 		       struct cudbg_buffer *dbg_buff,
3294 		       struct cudbg_error *cudbg_err)
3295 {
3296 
3297 	struct cudbg_buffer scratch_buff;
3298 	struct adapter *padap = pdbg_init->adap;
3299 	struct tid_info_region *tid;
3300 	struct tid_info_region_rev1 *tid1;
3301 	u32 para[7], val[7];
3302 	u32 mbox, pf;
3303 	int rc;
3304 
3305 	scratch_buff.size = sizeof(struct tid_info_region_rev1);
3306 
3307 	rc = get_scratch_buff(dbg_buff, scratch_buff.size, &scratch_buff);
3308 	if (rc)
3309 		goto err;
3310 
3311 #define FW_PARAM_DEV_A(param) \
3312 	(V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | \
3313 	 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_##param))
3314 #define FW_PARAM_PFVF_A(param) \
3315 	(V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_PFVF) | \
3316 	 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_PFVF_##param)|  \
3317 	 V_FW_PARAMS_PARAM_Y(0) | \
3318 	 V_FW_PARAMS_PARAM_Z(0))
3319 #define MAX_ATIDS_A 8192U
3320 
3321 	tid1 = (struct tid_info_region_rev1 *)scratch_buff.data;
3322 	tid = &(tid1->tid);
3323 	tid1->ver_hdr.signature = CUDBG_ENTITY_SIGNATURE;
3324 	tid1->ver_hdr.revision = CUDBG_TID_INFO_REV;
3325 	tid1->ver_hdr.size = sizeof(struct tid_info_region_rev1) -
3326 			     sizeof(struct cudbg_ver_hdr);
3327 
3328 	if (is_t5(padap)) {
3329 		tid->hash_base = t4_read_reg(padap, A_LE_DB_TID_HASHBASE);
3330 		tid1->tid_start = 0;
3331 	} else if (is_t6(padap)) {
3332 		tid->hash_base = t4_read_reg(padap, A_T6_LE_DB_HASH_TID_BASE);
3333 		tid1->tid_start = t4_read_reg(padap, A_LE_DB_ACTIVE_TABLE_START_INDEX);
3334 	}
3335 
3336 	tid->le_db_conf = t4_read_reg(padap, A_LE_DB_CONFIG);
3337 
3338 	para[0] = FW_PARAM_PFVF_A(FILTER_START);
3339 	para[1] = FW_PARAM_PFVF_A(FILTER_END);
3340 	para[2] = FW_PARAM_PFVF_A(ACTIVE_FILTER_START);
3341 	para[3] = FW_PARAM_PFVF_A(ACTIVE_FILTER_END);
3342 	para[4] = FW_PARAM_DEV_A(NTID);
3343 	para[5] = FW_PARAM_PFVF_A(SERVER_START);
3344 	para[6] = FW_PARAM_PFVF_A(SERVER_END);
3345 
3346 	rc = begin_synchronized_op(padap, NULL, SLEEP_OK | INTR_OK, "t4cudq");
3347 	if (rc)
3348 		goto err;
3349 	mbox = padap->mbox;
3350 	pf = padap->pf;
3351 	rc = t4_query_params(padap, mbox, pf, 0, 7, para, val);
3352 	if (rc <  0) {
3353 		if (rc == -FW_EPERM) {
3354 			/* It looks like we don't have permission to use
3355 			 * padap->mbox.
3356 			 *
3357 			 * Try mbox 4.  If it works, we'll continue to
3358 			 * collect the rest of tid info from mbox 4.
3359 			 * Else, quit trying to collect tid info.
3360 			 */
3361 			mbox = 4;
3362 			pf = 4;
3363 			rc = t4_query_params(padap, mbox, pf, 0, 7, para, val);
3364 			if (rc < 0) {
3365 				cudbg_err->sys_err = rc;
3366 				goto err1;
3367 			}
3368 		} else {
3369 			cudbg_err->sys_err = rc;
3370 			goto err1;
3371 		}
3372 	}
3373 
3374 	tid->ftid_base = val[0];
3375 	tid->nftids = val[1] - val[0] + 1;
3376 	/*active filter region*/
3377 	if (val[2] != val[3]) {
3378 #ifdef notyet
3379 		tid->flags |= FW_OFLD_CONN;
3380 #endif
3381 		tid->aftid_base = val[2];
3382 		tid->aftid_end = val[3];
3383 	}
3384 	tid->ntids = val[4];
3385 	tid->natids = min_t(u32, tid->ntids / 2, MAX_ATIDS_A);
3386 	tid->stid_base = val[5];
3387 	tid->nstids = val[6] - val[5] + 1;
3388 
3389 	if (chip_id(padap) >= CHELSIO_T6) {
3390 		para[0] = FW_PARAM_PFVF_A(HPFILTER_START);
3391 		para[1] = FW_PARAM_PFVF_A(HPFILTER_END);
3392 		rc = t4_query_params(padap, mbox, pf, 0, 2, para, val);
3393 		if (rc < 0) {
3394 			cudbg_err->sys_err = rc;
3395 			goto err1;
3396 		}
3397 
3398 		tid->hpftid_base = val[0];
3399 		tid->nhpftids = val[1] - val[0] + 1;
3400 	}
3401 
3402 	if (chip_id(padap) <= CHELSIO_T5) {
3403 		tid->sb = t4_read_reg(padap, A_LE_DB_SERVER_INDEX) / 4;
3404 		tid->hash_base /= 4;
3405 	} else
3406 		tid->sb = t4_read_reg(padap, A_LE_DB_SRVR_START_INDEX);
3407 
3408 	/*UO context range*/
3409 	para[0] = FW_PARAM_PFVF_A(ETHOFLD_START);
3410 	para[1] = FW_PARAM_PFVF_A(ETHOFLD_END);
3411 
3412 	rc = t4_query_params(padap, mbox, pf, 0, 2, para, val);
3413 	if (rc <  0) {
3414 		cudbg_err->sys_err = rc;
3415 		goto err1;
3416 	}
3417 
3418 	if (val[0] != val[1]) {
3419 		tid->uotid_base = val[0];
3420 		tid->nuotids = val[1] - val[0] + 1;
3421 	}
3422 	tid->IP_users = t4_read_reg(padap, A_LE_DB_ACT_CNT_IPV4);
3423 	tid->IPv6_users = t4_read_reg(padap, A_LE_DB_ACT_CNT_IPV6);
3424 
3425 #undef FW_PARAM_PFVF_A
3426 #undef FW_PARAM_DEV_A
3427 #undef MAX_ATIDS_A
3428 
3429 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
3430 	if (rc)
3431 		goto err1;
3432 	rc = compress_buff(&scratch_buff, dbg_buff);
3433 
3434 err1:
3435 	end_synchronized_op(padap, 0);
3436 	release_scratch_buff(&scratch_buff, dbg_buff);
3437 err:
3438 	return rc;
3439 }
3440 
3441 static int collect_tx_rate(struct cudbg_init *pdbg_init,
3442 			   struct cudbg_buffer *dbg_buff,
3443 			   struct cudbg_error *cudbg_err)
3444 {
3445 	struct cudbg_buffer scratch_buff;
3446 	struct adapter *padap = pdbg_init->adap;
3447 	struct tx_rate *tx_rate;
3448 	u32 size;
3449 	int rc;
3450 
3451 	size = sizeof(struct tx_rate);
3452 	scratch_buff.size = size;
3453 
3454 	rc = get_scratch_buff(dbg_buff, scratch_buff.size, &scratch_buff);
3455 	if (rc)
3456 		goto err;
3457 
3458 	tx_rate = (struct tx_rate *)scratch_buff.data;
3459 	t4_get_chan_txrate(padap, tx_rate->nrate, tx_rate->orate);
3460 	tx_rate->nchan = padap->chip_params->nchan;
3461 
3462 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
3463 	if (rc)
3464 		goto err1;
3465 
3466 	rc = compress_buff(&scratch_buff, dbg_buff);
3467 
3468 err1:
3469 	release_scratch_buff(&scratch_buff, dbg_buff);
3470 err:
3471 	return rc;
3472 }
3473 
3474 static inline void cudbg_tcamxy2valmask(u64 x, u64 y, u8 *addr, u64 *mask)
3475 {
3476 	*mask = x | y;
3477 	y = (__force u64)cpu_to_be64(y);
3478 	memcpy(addr, (char *)&y + 2, ETH_ALEN);
3479 }
3480 
3481 static void mps_rpl_backdoor(struct adapter *padap, struct fw_ldst_mps_rplc *mps_rplc)
3482 {
3483 	if (is_t5(padap)) {
3484 		mps_rplc->rplc255_224 = htonl(t4_read_reg(padap,
3485 							  A_MPS_VF_RPLCT_MAP3));
3486 		mps_rplc->rplc223_192 = htonl(t4_read_reg(padap,
3487 							  A_MPS_VF_RPLCT_MAP2));
3488 		mps_rplc->rplc191_160 = htonl(t4_read_reg(padap,
3489 							  A_MPS_VF_RPLCT_MAP1));
3490 		mps_rplc->rplc159_128 = htonl(t4_read_reg(padap,
3491 							  A_MPS_VF_RPLCT_MAP0));
3492 	} else {
3493 		mps_rplc->rplc255_224 = htonl(t4_read_reg(padap,
3494 							  A_MPS_VF_RPLCT_MAP7));
3495 		mps_rplc->rplc223_192 = htonl(t4_read_reg(padap,
3496 							  A_MPS_VF_RPLCT_MAP6));
3497 		mps_rplc->rplc191_160 = htonl(t4_read_reg(padap,
3498 							  A_MPS_VF_RPLCT_MAP5));
3499 		mps_rplc->rplc159_128 = htonl(t4_read_reg(padap,
3500 							  A_MPS_VF_RPLCT_MAP4));
3501 	}
3502 	mps_rplc->rplc127_96 = htonl(t4_read_reg(padap, A_MPS_VF_RPLCT_MAP3));
3503 	mps_rplc->rplc95_64 = htonl(t4_read_reg(padap, A_MPS_VF_RPLCT_MAP2));
3504 	mps_rplc->rplc63_32 = htonl(t4_read_reg(padap, A_MPS_VF_RPLCT_MAP1));
3505 	mps_rplc->rplc31_0 = htonl(t4_read_reg(padap, A_MPS_VF_RPLCT_MAP0));
3506 }
3507 
3508 static int collect_mps_tcam(struct cudbg_init *pdbg_init,
3509 			    struct cudbg_buffer *dbg_buff,
3510 			    struct cudbg_error *cudbg_err)
3511 {
3512 	struct cudbg_buffer scratch_buff;
3513 	struct adapter *padap = pdbg_init->adap;
3514 	struct cudbg_mps_tcam *tcam = NULL;
3515 	u32 size = 0, i, n, total_size = 0;
3516 	u32 ctl, data2;
3517 	u64 tcamy, tcamx, val;
3518 	int rc;
3519 
3520 	n = padap->chip_params->mps_tcam_size;
3521 	size = sizeof(struct cudbg_mps_tcam) * n;
3522 	scratch_buff.size = size;
3523 
3524 	rc = get_scratch_buff(dbg_buff, scratch_buff.size, &scratch_buff);
3525 	if (rc)
3526 		goto err;
3527 	memset(scratch_buff.data, 0, size);
3528 
3529 	tcam = (struct cudbg_mps_tcam *)scratch_buff.data;
3530 	for (i = 0; i < n; i++) {
3531 		if (chip_id(padap) >= CHELSIO_T6) {
3532 			/* CtlReqID   - 1: use Host Driver Requester ID
3533 			 * CtlCmdType - 0: Read, 1: Write
3534 			 * CtlTcamSel - 0: TCAM0, 1: TCAM1
3535 			 * CtlXYBitSel- 0: Y bit, 1: X bit
3536 			 */
3537 
3538 			/* Read tcamy */
3539 			ctl = (V_CTLREQID(1) |
3540 			       V_CTLCMDTYPE(0) | V_CTLXYBITSEL(0));
3541 			if (i < 256)
3542 				ctl |= V_CTLTCAMINDEX(i) | V_CTLTCAMSEL(0);
3543 			else
3544 				ctl |= V_CTLTCAMINDEX(i - 256) |
3545 				       V_CTLTCAMSEL(1);
3546 
3547 			t4_write_reg(padap, A_MPS_CLS_TCAM_DATA2_CTL, ctl);
3548 			val = t4_read_reg(padap, A_MPS_CLS_TCAM_RDATA1_REQ_ID1);
3549 			tcamy = G_DMACH(val) << 32;
3550 			tcamy |= t4_read_reg(padap, A_MPS_CLS_TCAM_RDATA0_REQ_ID1);
3551 			data2 = t4_read_reg(padap, A_MPS_CLS_TCAM_RDATA2_REQ_ID1);
3552 			tcam->lookup_type = G_DATALKPTYPE(data2);
3553 
3554 			/* 0 - Outer header, 1 - Inner header
3555 			 * [71:48] bit locations are overloaded for
3556 			 * outer vs. inner lookup types.
3557 			 */
3558 
3559 			if (tcam->lookup_type &&
3560 			    (tcam->lookup_type != M_DATALKPTYPE)) {
3561 				/* Inner header VNI */
3562 				tcam->vniy = ((data2 & F_DATAVIDH2) << 23) |
3563 					     (G_DATAVIDH1(data2) << 16) |
3564 					     G_VIDL(val);
3565 				tcam->dip_hit = data2 & F_DATADIPHIT;
3566 			} else {
3567 				tcam->vlan_vld = data2 & F_DATAVIDH2;
3568 				tcam->ivlan = G_VIDL(val);
3569 			}
3570 
3571 			tcam->port_num = G_DATAPORTNUM(data2);
3572 
3573 			/* Read tcamx. Change the control param */
3574 			ctl |= V_CTLXYBITSEL(1);
3575 			t4_write_reg(padap, A_MPS_CLS_TCAM_DATA2_CTL, ctl);
3576 			val = t4_read_reg(padap, A_MPS_CLS_TCAM_RDATA1_REQ_ID1);
3577 			tcamx = G_DMACH(val) << 32;
3578 			tcamx |= t4_read_reg(padap, A_MPS_CLS_TCAM_RDATA0_REQ_ID1);
3579 			data2 = t4_read_reg(padap, A_MPS_CLS_TCAM_RDATA2_REQ_ID1);
3580 			if (tcam->lookup_type &&
3581 			    (tcam->lookup_type != M_DATALKPTYPE)) {
3582 				/* Inner header VNI mask */
3583 				tcam->vnix = ((data2 & F_DATAVIDH2) << 23) |
3584 					     (G_DATAVIDH1(data2) << 16) |
3585 					     G_VIDL(val);
3586 			}
3587 		} else {
3588 			tcamy = t4_read_reg64(padap, MPS_CLS_TCAM_Y_L(i));
3589 			tcamx = t4_read_reg64(padap, MPS_CLS_TCAM_X_L(i));
3590 		}
3591 
3592 		if (tcamx & tcamy)
3593 			continue;
3594 
3595 		tcam->cls_lo = t4_read_reg(padap, MPS_CLS_SRAM_L(i));
3596 		tcam->cls_hi = t4_read_reg(padap, MPS_CLS_SRAM_H(i));
3597 
3598 		if (is_t5(padap))
3599 			tcam->repli = (tcam->cls_lo & F_REPLICATE);
3600 		else if (is_t6(padap))
3601 			tcam->repli = (tcam->cls_lo & F_T6_REPLICATE);
3602 
3603 		if (tcam->repli) {
3604 			struct fw_ldst_cmd ldst_cmd;
3605 			struct fw_ldst_mps_rplc mps_rplc;
3606 
3607 			memset(&ldst_cmd, 0, sizeof(ldst_cmd));
3608 			ldst_cmd.op_to_addrspace =
3609 				htonl(V_FW_CMD_OP(FW_LDST_CMD) |
3610 				      F_FW_CMD_REQUEST |
3611 				      F_FW_CMD_READ |
3612 				      V_FW_LDST_CMD_ADDRSPACE(
3613 					      FW_LDST_ADDRSPC_MPS));
3614 
3615 			ldst_cmd.cycles_to_len16 = htonl(FW_LEN16(ldst_cmd));
3616 
3617 			ldst_cmd.u.mps.rplc.fid_idx =
3618 				htons(V_FW_LDST_CMD_FID(FW_LDST_MPS_RPLC) |
3619 				      V_FW_LDST_CMD_IDX(i));
3620 
3621 			rc = begin_synchronized_op(padap, NULL,
3622 			    SLEEP_OK | INTR_OK, "t4cudm");
3623 			if (rc == 0) {
3624 				rc = t4_wr_mbox(padap, padap->mbox, &ldst_cmd,
3625 						sizeof(ldst_cmd), &ldst_cmd);
3626 				end_synchronized_op(padap, 0);
3627 			}
3628 
3629 			if (rc)
3630 				mps_rpl_backdoor(padap, &mps_rplc);
3631 			else
3632 				mps_rplc = ldst_cmd.u.mps.rplc;
3633 
3634 			tcam->rplc[0] = ntohl(mps_rplc.rplc31_0);
3635 			tcam->rplc[1] = ntohl(mps_rplc.rplc63_32);
3636 			tcam->rplc[2] = ntohl(mps_rplc.rplc95_64);
3637 			tcam->rplc[3] = ntohl(mps_rplc.rplc127_96);
3638 			if (padap->chip_params->mps_rplc_size >
3639 					CUDBG_MAX_RPLC_SIZE) {
3640 				tcam->rplc[4] = ntohl(mps_rplc.rplc159_128);
3641 				tcam->rplc[5] = ntohl(mps_rplc.rplc191_160);
3642 				tcam->rplc[6] = ntohl(mps_rplc.rplc223_192);
3643 				tcam->rplc[7] = ntohl(mps_rplc.rplc255_224);
3644 			}
3645 		}
3646 		cudbg_tcamxy2valmask(tcamx, tcamy, tcam->addr, &tcam->mask);
3647 
3648 		tcam->idx = i;
3649 		tcam->rplc_size = padap->chip_params->mps_rplc_size;
3650 
3651 		total_size += sizeof(struct cudbg_mps_tcam);
3652 
3653 		tcam++;
3654 	}
3655 
3656 	if (total_size == 0) {
3657 		rc = CUDBG_SYSTEM_ERROR;
3658 		goto err1;
3659 	}
3660 
3661 	scratch_buff.size = total_size;
3662 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
3663 	if (rc)
3664 		goto err1;
3665 
3666 	rc = compress_buff(&scratch_buff, dbg_buff);
3667 
3668 err1:
3669 	scratch_buff.size = size;
3670 	release_scratch_buff(&scratch_buff, dbg_buff);
3671 err:
3672 	return rc;
3673 }
3674 
3675 static int collect_pcie_config(struct cudbg_init *pdbg_init,
3676 			       struct cudbg_buffer *dbg_buff,
3677 			       struct cudbg_error *cudbg_err)
3678 {
3679 	struct cudbg_buffer scratch_buff;
3680 	struct adapter *padap = pdbg_init->adap;
3681 	u32 size, *value, j;
3682 	int i, rc, n;
3683 
3684 	size = sizeof(u32) * NUM_PCIE_CONFIG_REGS;
3685 	n = sizeof(t5_pcie_config_array) / (2 * sizeof(u32));
3686 	scratch_buff.size = size;
3687 
3688 	rc = get_scratch_buff(dbg_buff, scratch_buff.size, &scratch_buff);
3689 	if (rc)
3690 		goto err;
3691 
3692 	value = (u32 *)scratch_buff.data;
3693 	for (i = 0; i < n; i++) {
3694 		for (j = t5_pcie_config_array[i][0];
3695 		     j <= t5_pcie_config_array[i][1]; j += 4) {
3696 			*value++ = t4_hw_pci_read_cfg4(padap, j);
3697 		}
3698 	}
3699 
3700 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
3701 	if (rc)
3702 		goto err1;
3703 
3704 	rc = compress_buff(&scratch_buff, dbg_buff);
3705 
3706 err1:
3707 	release_scratch_buff(&scratch_buff, dbg_buff);
3708 err:
3709 	return rc;
3710 }
3711 
3712 static int cudbg_read_tid(struct cudbg_init *pdbg_init, u32 tid,
3713 			  struct cudbg_tid_data *tid_data)
3714 {
3715 	int i, cmd_retry = 8;
3716 	struct adapter *padap = pdbg_init->adap;
3717 	u32 val;
3718 
3719 	/* Fill REQ_DATA regs with 0's */
3720 	for (i = 0; i < CUDBG_NUM_REQ_REGS; i++)
3721 		t4_write_reg(padap, A_LE_DB_DBGI_REQ_DATA + (i << 2), 0);
3722 
3723 	/* Write DBIG command */
3724 	val = (0x4 << S_DBGICMD) | tid;
3725 	t4_write_reg(padap, A_LE_DB_DBGI_REQ_TCAM_CMD, val);
3726 	tid_data->dbig_cmd = val;
3727 
3728 	val = 0;
3729 	val |= 1 << S_DBGICMDSTRT;
3730 	val |= 1;  /* LE mode */
3731 	t4_write_reg(padap, A_LE_DB_DBGI_CONFIG, val);
3732 	tid_data->dbig_conf = val;
3733 
3734 	/* Poll the DBGICMDBUSY bit */
3735 	val = 1;
3736 	while (val) {
3737 		val = t4_read_reg(padap, A_LE_DB_DBGI_CONFIG);
3738 		val = (val >> S_DBGICMDBUSY) & 1;
3739 		cmd_retry--;
3740 		if (!cmd_retry) {
3741 			if (pdbg_init->verbose)
3742 				pdbg_init->print("%s(): Timeout waiting for non-busy\n",
3743 					 __func__);
3744 			return CUDBG_SYSTEM_ERROR;
3745 		}
3746 	}
3747 
3748 	/* Check RESP status */
3749 	val = 0;
3750 	val = t4_read_reg(padap, A_LE_DB_DBGI_RSP_STATUS);
3751 	tid_data->dbig_rsp_stat = val;
3752 	if (!(val & 1)) {
3753 		if (pdbg_init->verbose)
3754 			pdbg_init->print("%s(): DBGI command failed\n", __func__);
3755 		return CUDBG_SYSTEM_ERROR;
3756 	}
3757 
3758 	/* Read RESP data */
3759 	for (i = 0; i < CUDBG_NUM_REQ_REGS; i++)
3760 		tid_data->data[i] = t4_read_reg(padap,
3761 						A_LE_DB_DBGI_RSP_DATA +
3762 						(i << 2));
3763 
3764 	tid_data->tid = tid;
3765 
3766 	return 0;
3767 }
3768 
3769 static int collect_le_tcam(struct cudbg_init *pdbg_init,
3770 			   struct cudbg_buffer *dbg_buff,
3771 			   struct cudbg_error *cudbg_err)
3772 {
3773 	struct cudbg_buffer scratch_buff;
3774 	struct adapter *padap = pdbg_init->adap;
3775 	struct cudbg_tcam tcam_region = {0};
3776 	struct cudbg_tid_data *tid_data = NULL;
3777 	u32 value, bytes = 0, bytes_left  = 0;
3778 	u32 i;
3779 	int rc, size;
3780 
3781 	/* Get the LE regions */
3782 	value = t4_read_reg(padap, A_LE_DB_TID_HASHBASE); /* Get hash base
3783 							     index */
3784 	tcam_region.tid_hash_base = value;
3785 
3786 	/* Get routing table index */
3787 	value = t4_read_reg(padap, A_LE_DB_ROUTING_TABLE_INDEX);
3788 	tcam_region.routing_start = value;
3789 
3790 	/*Get clip table index */
3791 	value = t4_read_reg(padap, A_LE_DB_CLIP_TABLE_INDEX);
3792 	tcam_region.clip_start = value;
3793 
3794 	/* Get filter table index */
3795 	value = t4_read_reg(padap, A_LE_DB_FILTER_TABLE_INDEX);
3796 	tcam_region.filter_start = value;
3797 
3798 	/* Get server table index */
3799 	value = t4_read_reg(padap, A_LE_DB_SERVER_INDEX);
3800 	tcam_region.server_start = value;
3801 
3802 	/* Check whether hash is enabled and calculate the max tids */
3803 	value = t4_read_reg(padap, A_LE_DB_CONFIG);
3804 	if ((value >> S_HASHEN) & 1) {
3805 		value = t4_read_reg(padap, A_LE_DB_HASH_CONFIG);
3806 		if (chip_id(padap) > CHELSIO_T5)
3807 			tcam_region.max_tid = (value & 0xFFFFF) +
3808 					      tcam_region.tid_hash_base;
3809 		else {	    /* for T5 */
3810 			value = G_HASHTIDSIZE(value);
3811 			value = 1 << value;
3812 			tcam_region.max_tid = value +
3813 				tcam_region.tid_hash_base;
3814 		}
3815 	} else	 /* hash not enabled */
3816 		tcam_region.max_tid = CUDBG_MAX_TCAM_TID;
3817 
3818 	size = sizeof(struct cudbg_tid_data) * tcam_region.max_tid;
3819 	size += sizeof(struct cudbg_tcam);
3820 	scratch_buff.size = size;
3821 
3822 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
3823 	if (rc)
3824 		goto err;
3825 
3826 	rc = get_scratch_buff(dbg_buff, CUDBG_CHUNK_SIZE, &scratch_buff);
3827 	if (rc)
3828 		goto err;
3829 
3830 	memcpy(scratch_buff.data, &tcam_region, sizeof(struct cudbg_tcam));
3831 
3832 	tid_data = (struct cudbg_tid_data *)(((struct cudbg_tcam *)
3833 					     scratch_buff.data) + 1);
3834 	bytes_left = CUDBG_CHUNK_SIZE - sizeof(struct cudbg_tcam);
3835 	bytes = sizeof(struct cudbg_tcam);
3836 
3837 	/* read all tid */
3838 	for (i = 0; i < tcam_region.max_tid; i++) {
3839 		if (bytes_left < sizeof(struct cudbg_tid_data)) {
3840 			scratch_buff.size = bytes;
3841 			rc = compress_buff(&scratch_buff, dbg_buff);
3842 			if (rc)
3843 				goto err1;
3844 			scratch_buff.size = CUDBG_CHUNK_SIZE;
3845 			release_scratch_buff(&scratch_buff, dbg_buff);
3846 
3847 			/* new alloc */
3848 			rc = get_scratch_buff(dbg_buff, CUDBG_CHUNK_SIZE,
3849 					      &scratch_buff);
3850 			if (rc)
3851 				goto err;
3852 
3853 			tid_data = (struct cudbg_tid_data *)(scratch_buff.data);
3854 			bytes_left = CUDBG_CHUNK_SIZE;
3855 			bytes = 0;
3856 		}
3857 
3858 		rc = cudbg_read_tid(pdbg_init, i, tid_data);
3859 
3860 		if (rc) {
3861 			cudbg_err->sys_err = rc;
3862 			goto err1;
3863 		}
3864 
3865 		tid_data++;
3866 		bytes_left -= sizeof(struct cudbg_tid_data);
3867 		bytes += sizeof(struct cudbg_tid_data);
3868 	}
3869 
3870 	if (bytes) {
3871 		scratch_buff.size = bytes;
3872 		rc = compress_buff(&scratch_buff, dbg_buff);
3873 	}
3874 
3875 err1:
3876 	scratch_buff.size = CUDBG_CHUNK_SIZE;
3877 	release_scratch_buff(&scratch_buff, dbg_buff);
3878 err:
3879 	return rc;
3880 }
3881 
3882 static int collect_ma_indirect(struct cudbg_init *pdbg_init,
3883 			       struct cudbg_buffer *dbg_buff,
3884 			       struct cudbg_error *cudbg_err)
3885 {
3886 	struct cudbg_buffer scratch_buff;
3887 	struct adapter *padap = pdbg_init->adap;
3888 	struct ireg_buf *ma_indr = NULL;
3889 	u32 size, j;
3890 	int i, rc, n;
3891 
3892 	if (chip_id(padap) < CHELSIO_T6) {
3893 		if (pdbg_init->verbose)
3894 			pdbg_init->print("MA indirect available only in T6\n");
3895 		rc = CUDBG_STATUS_ENTITY_NOT_FOUND;
3896 		goto err;
3897 	}
3898 
3899 	n = sizeof(t6_ma_ireg_array) / (4 * sizeof(u32));
3900 	size = sizeof(struct ireg_buf) * n * 2;
3901 	scratch_buff.size = size;
3902 
3903 	rc = get_scratch_buff(dbg_buff, scratch_buff.size, &scratch_buff);
3904 	if (rc)
3905 		goto err;
3906 
3907 	ma_indr = (struct ireg_buf *)scratch_buff.data;
3908 
3909 	for (i = 0; i < n; i++) {
3910 		struct ireg_field *ma_fli = &ma_indr->tp_pio;
3911 		u32 *buff = ma_indr->outbuf;
3912 
3913 		ma_fli->ireg_addr = t6_ma_ireg_array[i][0];
3914 		ma_fli->ireg_data = t6_ma_ireg_array[i][1];
3915 		ma_fli->ireg_local_offset = t6_ma_ireg_array[i][2];
3916 		ma_fli->ireg_offset_range = t6_ma_ireg_array[i][3];
3917 
3918 		t4_read_indirect(padap, ma_fli->ireg_addr, ma_fli->ireg_data,
3919 				 buff, ma_fli->ireg_offset_range,
3920 				 ma_fli->ireg_local_offset);
3921 
3922 		ma_indr++;
3923 
3924 	}
3925 
3926 	n = sizeof(t6_ma_ireg_array2) / (4 * sizeof(u32));
3927 
3928 	for (i = 0; i < n; i++) {
3929 		struct ireg_field *ma_fli = &ma_indr->tp_pio;
3930 		u32 *buff = ma_indr->outbuf;
3931 
3932 		ma_fli->ireg_addr = t6_ma_ireg_array2[i][0];
3933 		ma_fli->ireg_data = t6_ma_ireg_array2[i][1];
3934 		ma_fli->ireg_local_offset = t6_ma_ireg_array2[i][2];
3935 
3936 		for (j = 0; j < t6_ma_ireg_array2[i][3]; j++) {
3937 			t4_read_indirect(padap, ma_fli->ireg_addr,
3938 					 ma_fli->ireg_data, buff, 1,
3939 					 ma_fli->ireg_local_offset);
3940 			buff++;
3941 			ma_fli->ireg_local_offset += 0x20;
3942 		}
3943 		ma_indr++;
3944 	}
3945 
3946 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
3947 	if (rc)
3948 		goto err1;
3949 
3950 	rc = compress_buff(&scratch_buff, dbg_buff);
3951 
3952 err1:
3953 	release_scratch_buff(&scratch_buff, dbg_buff);
3954 err:
3955 	return rc;
3956 }
3957 
3958 static int collect_hma_indirect(struct cudbg_init *pdbg_init,
3959 			       struct cudbg_buffer *dbg_buff,
3960 			       struct cudbg_error *cudbg_err)
3961 {
3962 	struct cudbg_buffer scratch_buff;
3963 	struct adapter *padap = pdbg_init->adap;
3964 	struct ireg_buf *hma_indr = NULL;
3965 	u32 size;
3966 	int i, rc, n;
3967 
3968 	if (chip_id(padap) < CHELSIO_T6) {
3969 		if (pdbg_init->verbose)
3970 			pdbg_init->print("HMA indirect available only in T6\n");
3971 		rc = CUDBG_STATUS_ENTITY_NOT_FOUND;
3972 		goto err;
3973 	}
3974 
3975 	n = sizeof(t6_hma_ireg_array) / (4 * sizeof(u32));
3976 	size = sizeof(struct ireg_buf) * n;
3977 	scratch_buff.size = size;
3978 
3979 	rc = get_scratch_buff(dbg_buff, scratch_buff.size, &scratch_buff);
3980 	if (rc)
3981 		goto err;
3982 
3983 	hma_indr = (struct ireg_buf *)scratch_buff.data;
3984 
3985 	for (i = 0; i < n; i++) {
3986 		struct ireg_field *hma_fli = &hma_indr->tp_pio;
3987 		u32 *buff = hma_indr->outbuf;
3988 
3989 		hma_fli->ireg_addr = t6_hma_ireg_array[i][0];
3990 		hma_fli->ireg_data = t6_hma_ireg_array[i][1];
3991 		hma_fli->ireg_local_offset = t6_hma_ireg_array[i][2];
3992 		hma_fli->ireg_offset_range = t6_hma_ireg_array[i][3];
3993 
3994 		t4_read_indirect(padap, hma_fli->ireg_addr, hma_fli->ireg_data,
3995 				 buff, hma_fli->ireg_offset_range,
3996 				 hma_fli->ireg_local_offset);
3997 
3998 		hma_indr++;
3999 
4000 	}
4001 
4002 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
4003 	if (rc)
4004 		goto err1;
4005 
4006 	rc = compress_buff(&scratch_buff, dbg_buff);
4007 
4008 err1:
4009 	release_scratch_buff(&scratch_buff, dbg_buff);
4010 err:
4011 	return rc;
4012 }
4013 
4014 static int collect_pcie_indirect(struct cudbg_init *pdbg_init,
4015 				 struct cudbg_buffer *dbg_buff,
4016 				 struct cudbg_error *cudbg_err)
4017 {
4018 	struct cudbg_buffer scratch_buff;
4019 	struct adapter *padap = pdbg_init->adap;
4020 	struct ireg_buf *ch_pcie;
4021 	u32 size;
4022 	int i, rc, n;
4023 
4024 	n = sizeof(t5_pcie_pdbg_array) / (4 * sizeof(u32));
4025 	size = sizeof(struct ireg_buf) * n * 2;
4026 	scratch_buff.size = size;
4027 
4028 	rc = get_scratch_buff(dbg_buff, scratch_buff.size, &scratch_buff);
4029 	if (rc)
4030 		goto err;
4031 
4032 	ch_pcie = (struct ireg_buf *)scratch_buff.data;
4033 
4034 	/*PCIE_PDBG*/
4035 	for (i = 0; i < n; i++) {
4036 		struct ireg_field *pcie_pio = &ch_pcie->tp_pio;
4037 		u32 *buff = ch_pcie->outbuf;
4038 
4039 		pcie_pio->ireg_addr = t5_pcie_pdbg_array[i][0];
4040 		pcie_pio->ireg_data = t5_pcie_pdbg_array[i][1];
4041 		pcie_pio->ireg_local_offset = t5_pcie_pdbg_array[i][2];
4042 		pcie_pio->ireg_offset_range = t5_pcie_pdbg_array[i][3];
4043 
4044 		t4_read_indirect(padap,
4045 				pcie_pio->ireg_addr,
4046 				pcie_pio->ireg_data,
4047 				buff,
4048 				pcie_pio->ireg_offset_range,
4049 				pcie_pio->ireg_local_offset);
4050 
4051 		ch_pcie++;
4052 	}
4053 
4054 	/*PCIE_CDBG*/
4055 	n = sizeof(t5_pcie_cdbg_array) / (4 * sizeof(u32));
4056 	for (i = 0; i < n; i++) {
4057 		struct ireg_field *pcie_pio = &ch_pcie->tp_pio;
4058 		u32 *buff = ch_pcie->outbuf;
4059 
4060 		pcie_pio->ireg_addr = t5_pcie_cdbg_array[i][0];
4061 		pcie_pio->ireg_data = t5_pcie_cdbg_array[i][1];
4062 		pcie_pio->ireg_local_offset = t5_pcie_cdbg_array[i][2];
4063 		pcie_pio->ireg_offset_range = t5_pcie_cdbg_array[i][3];
4064 
4065 		t4_read_indirect(padap,
4066 				pcie_pio->ireg_addr,
4067 				pcie_pio->ireg_data,
4068 				buff,
4069 				pcie_pio->ireg_offset_range,
4070 				pcie_pio->ireg_local_offset);
4071 
4072 		ch_pcie++;
4073 	}
4074 
4075 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
4076 	if (rc)
4077 		goto err1;
4078 
4079 	rc = compress_buff(&scratch_buff, dbg_buff);
4080 
4081 err1:
4082 	release_scratch_buff(&scratch_buff, dbg_buff);
4083 err:
4084 	return rc;
4085 
4086 }
4087 
4088 static int collect_tp_indirect(struct cudbg_init *pdbg_init,
4089 			       struct cudbg_buffer *dbg_buff,
4090 			       struct cudbg_error *cudbg_err)
4091 {
4092 	struct cudbg_buffer scratch_buff;
4093 	struct adapter *padap = pdbg_init->adap;
4094 	struct ireg_buf *ch_tp_pio;
4095 	u32 size;
4096 	int i, rc, n = 0;
4097 
4098 	if (is_t5(padap))
4099 		n = sizeof(t5_tp_pio_array) / (4 * sizeof(u32));
4100 	else if (is_t6(padap))
4101 		n = sizeof(t6_tp_pio_array) / (4 * sizeof(u32));
4102 
4103 	size = sizeof(struct ireg_buf) * n * 3;
4104 	scratch_buff.size = size;
4105 
4106 	rc = get_scratch_buff(dbg_buff, scratch_buff.size, &scratch_buff);
4107 	if (rc)
4108 		goto err;
4109 
4110 	ch_tp_pio = (struct ireg_buf *)scratch_buff.data;
4111 
4112 	/* TP_PIO*/
4113 	for (i = 0; i < n; i++) {
4114 		struct ireg_field *tp_pio = &ch_tp_pio->tp_pio;
4115 		u32 *buff = ch_tp_pio->outbuf;
4116 
4117 		if (is_t5(padap)) {
4118 			tp_pio->ireg_addr = t5_tp_pio_array[i][0];
4119 			tp_pio->ireg_data = t5_tp_pio_array[i][1];
4120 			tp_pio->ireg_local_offset = t5_tp_pio_array[i][2];
4121 			tp_pio->ireg_offset_range = t5_tp_pio_array[i][3];
4122 		} else if (is_t6(padap)) {
4123 			tp_pio->ireg_addr = t6_tp_pio_array[i][0];
4124 			tp_pio->ireg_data = t6_tp_pio_array[i][1];
4125 			tp_pio->ireg_local_offset = t6_tp_pio_array[i][2];
4126 			tp_pio->ireg_offset_range = t6_tp_pio_array[i][3];
4127 		}
4128 
4129 		t4_tp_pio_read(padap, buff, tp_pio->ireg_offset_range,
4130 			       tp_pio->ireg_local_offset, true);
4131 
4132 		ch_tp_pio++;
4133 	}
4134 
4135 	/* TP_TM_PIO*/
4136 	if (is_t5(padap))
4137 		n = sizeof(t5_tp_tm_pio_array) / (4 * sizeof(u32));
4138 	else if (is_t6(padap))
4139 		n = sizeof(t6_tp_tm_pio_array) / (4 * sizeof(u32));
4140 
4141 	for (i = 0; i < n; i++) {
4142 		struct ireg_field *tp_pio = &ch_tp_pio->tp_pio;
4143 		u32 *buff = ch_tp_pio->outbuf;
4144 
4145 		if (is_t5(padap)) {
4146 			tp_pio->ireg_addr = t5_tp_tm_pio_array[i][0];
4147 			tp_pio->ireg_data = t5_tp_tm_pio_array[i][1];
4148 			tp_pio->ireg_local_offset = t5_tp_tm_pio_array[i][2];
4149 			tp_pio->ireg_offset_range = t5_tp_tm_pio_array[i][3];
4150 		} else if (is_t6(padap)) {
4151 			tp_pio->ireg_addr = t6_tp_tm_pio_array[i][0];
4152 			tp_pio->ireg_data = t6_tp_tm_pio_array[i][1];
4153 			tp_pio->ireg_local_offset = t6_tp_tm_pio_array[i][2];
4154 			tp_pio->ireg_offset_range = t6_tp_tm_pio_array[i][3];
4155 		}
4156 
4157 		t4_tp_tm_pio_read(padap, buff, tp_pio->ireg_offset_range,
4158 				  tp_pio->ireg_local_offset, true);
4159 
4160 		ch_tp_pio++;
4161 	}
4162 
4163 	/* TP_MIB_INDEX*/
4164 	if (is_t5(padap))
4165 		n = sizeof(t5_tp_mib_index_array) / (4 * sizeof(u32));
4166 	else if (is_t6(padap))
4167 		n = sizeof(t6_tp_mib_index_array) / (4 * sizeof(u32));
4168 
4169 	for (i = 0; i < n ; i++) {
4170 		struct ireg_field *tp_pio = &ch_tp_pio->tp_pio;
4171 		u32 *buff = ch_tp_pio->outbuf;
4172 
4173 		if (is_t5(padap)) {
4174 			tp_pio->ireg_addr = t5_tp_mib_index_array[i][0];
4175 			tp_pio->ireg_data = t5_tp_mib_index_array[i][1];
4176 			tp_pio->ireg_local_offset =
4177 				t5_tp_mib_index_array[i][2];
4178 			tp_pio->ireg_offset_range =
4179 				t5_tp_mib_index_array[i][3];
4180 		} else if (is_t6(padap)) {
4181 			tp_pio->ireg_addr = t6_tp_mib_index_array[i][0];
4182 			tp_pio->ireg_data = t6_tp_mib_index_array[i][1];
4183 			tp_pio->ireg_local_offset =
4184 				t6_tp_mib_index_array[i][2];
4185 			tp_pio->ireg_offset_range =
4186 				t6_tp_mib_index_array[i][3];
4187 		}
4188 
4189 		t4_tp_mib_read(padap, buff, tp_pio->ireg_offset_range,
4190 			       tp_pio->ireg_local_offset, true);
4191 
4192 		ch_tp_pio++;
4193 	}
4194 
4195 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
4196 	if (rc)
4197 		goto err1;
4198 
4199 	rc = compress_buff(&scratch_buff, dbg_buff);
4200 
4201 err1:
4202 	release_scratch_buff(&scratch_buff, dbg_buff);
4203 err:
4204 	return rc;
4205 }
4206 
4207 static int collect_sge_indirect(struct cudbg_init *pdbg_init,
4208 				struct cudbg_buffer *dbg_buff,
4209 				struct cudbg_error *cudbg_err)
4210 {
4211 	struct cudbg_buffer scratch_buff;
4212 	struct adapter *padap = pdbg_init->adap;
4213 	struct ireg_buf *ch_sge_dbg;
4214 	u32 size;
4215 	int i, rc;
4216 
4217 	size = sizeof(struct ireg_buf) * 2;
4218 	scratch_buff.size = size;
4219 
4220 	rc = get_scratch_buff(dbg_buff, scratch_buff.size, &scratch_buff);
4221 	if (rc)
4222 		goto err;
4223 
4224 	ch_sge_dbg = (struct ireg_buf *)scratch_buff.data;
4225 
4226 	for (i = 0; i < 2; i++) {
4227 		struct ireg_field *sge_pio = &ch_sge_dbg->tp_pio;
4228 		u32 *buff = ch_sge_dbg->outbuf;
4229 
4230 		sge_pio->ireg_addr = t5_sge_dbg_index_array[i][0];
4231 		sge_pio->ireg_data = t5_sge_dbg_index_array[i][1];
4232 		sge_pio->ireg_local_offset = t5_sge_dbg_index_array[i][2];
4233 		sge_pio->ireg_offset_range = t5_sge_dbg_index_array[i][3];
4234 
4235 		t4_read_indirect(padap,
4236 				sge_pio->ireg_addr,
4237 				sge_pio->ireg_data,
4238 				buff,
4239 				sge_pio->ireg_offset_range,
4240 				sge_pio->ireg_local_offset);
4241 
4242 		ch_sge_dbg++;
4243 	}
4244 
4245 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
4246 	if (rc)
4247 		goto err1;
4248 
4249 	rc = compress_buff(&scratch_buff, dbg_buff);
4250 
4251 err1:
4252 	release_scratch_buff(&scratch_buff, dbg_buff);
4253 err:
4254 	return rc;
4255 }
4256 
4257 static int collect_full(struct cudbg_init *pdbg_init,
4258 			struct cudbg_buffer *dbg_buff,
4259 			struct cudbg_error *cudbg_err)
4260 {
4261 	struct cudbg_buffer scratch_buff;
4262 	struct adapter *padap = pdbg_init->adap;
4263 	u32 reg_addr, reg_data, reg_local_offset, reg_offset_range;
4264 	u32 *sp;
4265 	int rc;
4266 	int nreg = 0;
4267 
4268 	/* Collect Registers:
4269 	 * TP_DBG_SCHED_TX (0x7e40 + 0x6a),
4270 	 * TP_DBG_SCHED_RX (0x7e40 + 0x6b),
4271 	 * TP_DBG_CSIDE_INT (0x7e40 + 0x23f),
4272 	 * TP_DBG_ESIDE_INT (0x7e40 + 0x148),
4273 	 * PCIE_CDEBUG_INDEX[AppData0] (0x5a10 + 2),
4274 	 * PCIE_CDEBUG_INDEX[AppData1] (0x5a10 + 3)  This is for T6
4275 	 * SGE_DEBUG_DATA_HIGH_INDEX_10 (0x12a8)
4276 	 **/
4277 
4278 	if (is_t5(padap))
4279 		nreg = 6;
4280 	else if (is_t6(padap))
4281 		nreg = 7;
4282 
4283 	scratch_buff.size = nreg * sizeof(u32);
4284 
4285 	rc = get_scratch_buff(dbg_buff, scratch_buff.size, &scratch_buff);
4286 	if (rc)
4287 		goto err;
4288 
4289 	sp = (u32 *)scratch_buff.data;
4290 
4291 	/* TP_DBG_SCHED_TX */
4292 	reg_local_offset = t5_tp_pio_array[3][2] + 0xa;
4293 	reg_offset_range = 1;
4294 
4295 	t4_tp_pio_read(padap, sp, reg_offset_range, reg_local_offset, true);
4296 
4297 	sp++;
4298 
4299 	/* TP_DBG_SCHED_RX */
4300 	reg_local_offset = t5_tp_pio_array[3][2] + 0xb;
4301 	reg_offset_range = 1;
4302 
4303 	t4_tp_pio_read(padap, sp, reg_offset_range, reg_local_offset, true);
4304 
4305 	sp++;
4306 
4307 	/* TP_DBG_CSIDE_INT */
4308 	reg_local_offset = t5_tp_pio_array[9][2] + 0xf;
4309 	reg_offset_range = 1;
4310 
4311 	t4_tp_pio_read(padap, sp, reg_offset_range, reg_local_offset, true);
4312 
4313 	sp++;
4314 
4315 	/* TP_DBG_ESIDE_INT */
4316 	reg_local_offset = t5_tp_pio_array[8][2] + 3;
4317 	reg_offset_range = 1;
4318 
4319 	t4_tp_pio_read(padap, sp, reg_offset_range, reg_local_offset, true);
4320 
4321 	sp++;
4322 
4323 	/* PCIE_CDEBUG_INDEX[AppData0] */
4324 	reg_addr = t5_pcie_cdbg_array[0][0];
4325 	reg_data = t5_pcie_cdbg_array[0][1];
4326 	reg_local_offset = t5_pcie_cdbg_array[0][2] + 2;
4327 	reg_offset_range = 1;
4328 
4329 	t4_read_indirect(padap, reg_addr, reg_data, sp, reg_offset_range,
4330 			 reg_local_offset);
4331 
4332 	sp++;
4333 
4334 	if (is_t6(padap)) {
4335 		/* PCIE_CDEBUG_INDEX[AppData1] */
4336 		reg_addr = t5_pcie_cdbg_array[0][0];
4337 		reg_data = t5_pcie_cdbg_array[0][1];
4338 		reg_local_offset = t5_pcie_cdbg_array[0][2] + 3;
4339 		reg_offset_range = 1;
4340 
4341 		t4_read_indirect(padap, reg_addr, reg_data, sp,
4342 				 reg_offset_range, reg_local_offset);
4343 
4344 		sp++;
4345 	}
4346 
4347 	/* SGE_DEBUG_DATA_HIGH_INDEX_10 */
4348 	*sp = t4_read_reg(padap, A_SGE_DEBUG_DATA_HIGH_INDEX_10);
4349 
4350 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
4351 	if (rc)
4352 		goto err1;
4353 
4354 	rc = compress_buff(&scratch_buff, dbg_buff);
4355 
4356 err1:
4357 	release_scratch_buff(&scratch_buff, dbg_buff);
4358 err:
4359 	return rc;
4360 }
4361 
4362 static int collect_vpd_data(struct cudbg_init *pdbg_init,
4363 			    struct cudbg_buffer *dbg_buff,
4364 			    struct cudbg_error *cudbg_err)
4365 {
4366 #ifdef notyet
4367 	struct cudbg_buffer scratch_buff;
4368 	struct adapter *padap = pdbg_init->adap;
4369 	struct struct_vpd_data *vpd_data;
4370 	char vpd_ver[4];
4371 	u32 fw_vers;
4372 	u32 size;
4373 	int rc;
4374 
4375 	size = sizeof(struct struct_vpd_data);
4376 	scratch_buff.size = size;
4377 
4378 	rc = get_scratch_buff(dbg_buff, scratch_buff.size, &scratch_buff);
4379 	if (rc)
4380 		goto err;
4381 
4382 	vpd_data = (struct struct_vpd_data *)scratch_buff.data;
4383 
4384 	if (is_t5(padap)) {
4385 		read_vpd_reg(padap, SN_REG_ADDR, SN_MAX_LEN, vpd_data->sn);
4386 		read_vpd_reg(padap, BN_REG_ADDR, BN_MAX_LEN, vpd_data->bn);
4387 		read_vpd_reg(padap, NA_REG_ADDR, NA_MAX_LEN, vpd_data->na);
4388 		read_vpd_reg(padap, MN_REG_ADDR, MN_MAX_LEN, vpd_data->mn);
4389 	} else if (is_t6(padap)) {
4390 		read_vpd_reg(padap, SN_T6_ADDR, SN_MAX_LEN, vpd_data->sn);
4391 		read_vpd_reg(padap, BN_T6_ADDR, BN_MAX_LEN, vpd_data->bn);
4392 		read_vpd_reg(padap, NA_T6_ADDR, NA_MAX_LEN, vpd_data->na);
4393 		read_vpd_reg(padap, MN_T6_ADDR, MN_MAX_LEN, vpd_data->mn);
4394 	}
4395 
4396 	if (is_fw_attached(pdbg_init)) {
4397 	   rc = t4_get_scfg_version(padap, &vpd_data->scfg_vers);
4398 	} else {
4399 		rc = 1;
4400 	}
4401 
4402 	if (rc) {
4403 		/* Now trying with backdoor mechanism */
4404 		rc = read_vpd_reg(padap, SCFG_VER_ADDR, SCFG_VER_LEN,
4405 				  (u8 *)&vpd_data->scfg_vers);
4406 		if (rc)
4407 			goto err1;
4408 	}
4409 
4410 	if (is_fw_attached(pdbg_init)) {
4411 		rc = t4_get_vpd_version(padap, &vpd_data->vpd_vers);
4412 	} else {
4413 		rc = 1;
4414 	}
4415 
4416 	if (rc) {
4417 		/* Now trying with backdoor mechanism */
4418 		rc = read_vpd_reg(padap, VPD_VER_ADDR, VPD_VER_LEN,
4419 				  (u8 *)vpd_ver);
4420 		if (rc)
4421 			goto err1;
4422 		/* read_vpd_reg return string of stored hex
4423 		 * converting hex string to char string
4424 		 * vpd version is 2 bytes only */
4425 		sprintf(vpd_ver, "%c%c\n", vpd_ver[0], vpd_ver[1]);
4426 		vpd_data->vpd_vers = simple_strtoul(vpd_ver, NULL, 16);
4427 	}
4428 
4429 	/* Get FW version if it's not already filled in */
4430 	fw_vers = padap->params.fw_vers;
4431 	if (!fw_vers) {
4432 		rc = t4_get_fw_version(padap, &fw_vers);
4433 		if (rc)
4434 			goto err1;
4435 	}
4436 
4437 	vpd_data->fw_major = G_FW_HDR_FW_VER_MAJOR(fw_vers);
4438 	vpd_data->fw_minor = G_FW_HDR_FW_VER_MINOR(fw_vers);
4439 	vpd_data->fw_micro = G_FW_HDR_FW_VER_MICRO(fw_vers);
4440 	vpd_data->fw_build = G_FW_HDR_FW_VER_BUILD(fw_vers);
4441 
4442 	rc = write_compression_hdr(&scratch_buff, dbg_buff);
4443 	if (rc)
4444 		goto err1;
4445 
4446 	rc = compress_buff(&scratch_buff, dbg_buff);
4447 
4448 err1:
4449 	release_scratch_buff(&scratch_buff, dbg_buff);
4450 err:
4451 	return rc;
4452 #endif
4453 	return (EDOOFUS);
4454 }
4455