rtc: stm32: fix misspelling and misalignment issues
[linux/fpc-iii.git] / drivers / net / ethernet / chelsio / cxgb4 / cudbg_lib.c
blob9da6f57901a9ae8317d0a8fe74066772a971d0fa
1 /*
2 * Copyright (C) 2017 Chelsio Communications. All rights reserved.
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms and conditions of the GNU General Public License,
6 * version 2, as published by the Free Software Foundation.
8 * This program is distributed in the hope it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
11 * more details.
13 * The full GNU General Public License is included in this distribution in
14 * the file called "COPYING".
18 #include <linux/sort.h>
20 #include "t4_regs.h"
21 #include "cxgb4.h"
22 #include "cudbg_if.h"
23 #include "cudbg_lib_common.h"
24 #include "cudbg_entity.h"
25 #include "cudbg_lib.h"
26 #include "cudbg_zlib.h"
28 static int cudbg_do_compression(struct cudbg_init *pdbg_init,
29 struct cudbg_buffer *pin_buff,
30 struct cudbg_buffer *dbg_buff)
32 struct cudbg_buffer temp_in_buff = { 0 };
33 int bytes_left, bytes_read, bytes;
34 u32 offset = dbg_buff->offset;
35 int rc;
37 temp_in_buff.offset = pin_buff->offset;
38 temp_in_buff.data = pin_buff->data;
39 temp_in_buff.size = pin_buff->size;
41 bytes_left = pin_buff->size;
42 bytes_read = 0;
43 while (bytes_left > 0) {
44 /* Do compression in smaller chunks */
45 bytes = min_t(unsigned long, bytes_left,
46 (unsigned long)CUDBG_CHUNK_SIZE);
47 temp_in_buff.data = (char *)pin_buff->data + bytes_read;
48 temp_in_buff.size = bytes;
49 rc = cudbg_compress_buff(pdbg_init, &temp_in_buff, dbg_buff);
50 if (rc)
51 return rc;
52 bytes_left -= bytes;
53 bytes_read += bytes;
56 pin_buff->size = dbg_buff->offset - offset;
57 return 0;
60 static int cudbg_write_and_release_buff(struct cudbg_init *pdbg_init,
61 struct cudbg_buffer *pin_buff,
62 struct cudbg_buffer *dbg_buff)
64 int rc = 0;
66 if (pdbg_init->compress_type == CUDBG_COMPRESSION_NONE) {
67 cudbg_update_buff(pin_buff, dbg_buff);
68 } else {
69 rc = cudbg_do_compression(pdbg_init, pin_buff, dbg_buff);
70 if (rc)
71 goto out;
74 out:
75 cudbg_put_buff(pdbg_init, pin_buff);
76 return rc;
79 static int is_fw_attached(struct cudbg_init *pdbg_init)
81 struct adapter *padap = pdbg_init->adap;
83 if (!(padap->flags & FW_OK) || padap->use_bd)
84 return 0;
86 return 1;
89 /* This function will add additional padding bytes into debug_buffer to make it
90 * 4 byte aligned.
92 void cudbg_align_debug_buffer(struct cudbg_buffer *dbg_buff,
93 struct cudbg_entity_hdr *entity_hdr)
95 u8 zero_buf[4] = {0};
96 u8 padding, remain;
98 remain = (dbg_buff->offset - entity_hdr->start_offset) % 4;
99 padding = 4 - remain;
100 if (remain) {
101 memcpy(((u8 *)dbg_buff->data) + dbg_buff->offset, &zero_buf,
102 padding);
103 dbg_buff->offset += padding;
104 entity_hdr->num_pad = padding;
106 entity_hdr->size = dbg_buff->offset - entity_hdr->start_offset;
109 struct cudbg_entity_hdr *cudbg_get_entity_hdr(void *outbuf, int i)
111 struct cudbg_hdr *cudbg_hdr = (struct cudbg_hdr *)outbuf;
113 return (struct cudbg_entity_hdr *)
114 ((char *)outbuf + cudbg_hdr->hdr_len +
115 (sizeof(struct cudbg_entity_hdr) * (i - 1)));
118 static int cudbg_read_vpd_reg(struct adapter *padap, u32 addr, u32 len,
119 void *dest)
121 int vaddr, rc;
123 vaddr = t4_eeprom_ptov(addr, padap->pf, EEPROMPFSIZE);
124 if (vaddr < 0)
125 return vaddr;
127 rc = pci_read_vpd(padap->pdev, vaddr, len, dest);
128 if (rc < 0)
129 return rc;
131 return 0;
134 static int cudbg_mem_desc_cmp(const void *a, const void *b)
136 return ((const struct cudbg_mem_desc *)a)->base -
137 ((const struct cudbg_mem_desc *)b)->base;
140 int cudbg_fill_meminfo(struct adapter *padap,
141 struct cudbg_meminfo *meminfo_buff)
143 struct cudbg_mem_desc *md;
144 u32 lo, hi, used, alloc;
145 int n, i;
147 memset(meminfo_buff->avail, 0,
148 ARRAY_SIZE(meminfo_buff->avail) *
149 sizeof(struct cudbg_mem_desc));
150 memset(meminfo_buff->mem, 0,
151 (ARRAY_SIZE(cudbg_region) + 3) * sizeof(struct cudbg_mem_desc));
152 md = meminfo_buff->mem;
154 for (i = 0; i < ARRAY_SIZE(meminfo_buff->mem); i++) {
155 meminfo_buff->mem[i].limit = 0;
156 meminfo_buff->mem[i].idx = i;
159 /* Find and sort the populated memory ranges */
160 i = 0;
161 lo = t4_read_reg(padap, MA_TARGET_MEM_ENABLE_A);
162 if (lo & EDRAM0_ENABLE_F) {
163 hi = t4_read_reg(padap, MA_EDRAM0_BAR_A);
164 meminfo_buff->avail[i].base =
165 cudbg_mbytes_to_bytes(EDRAM0_BASE_G(hi));
166 meminfo_buff->avail[i].limit =
167 meminfo_buff->avail[i].base +
168 cudbg_mbytes_to_bytes(EDRAM0_SIZE_G(hi));
169 meminfo_buff->avail[i].idx = 0;
170 i++;
173 if (lo & EDRAM1_ENABLE_F) {
174 hi = t4_read_reg(padap, MA_EDRAM1_BAR_A);
175 meminfo_buff->avail[i].base =
176 cudbg_mbytes_to_bytes(EDRAM1_BASE_G(hi));
177 meminfo_buff->avail[i].limit =
178 meminfo_buff->avail[i].base +
179 cudbg_mbytes_to_bytes(EDRAM1_SIZE_G(hi));
180 meminfo_buff->avail[i].idx = 1;
181 i++;
184 if (is_t5(padap->params.chip)) {
185 if (lo & EXT_MEM0_ENABLE_F) {
186 hi = t4_read_reg(padap, MA_EXT_MEMORY0_BAR_A);
187 meminfo_buff->avail[i].base =
188 cudbg_mbytes_to_bytes(EXT_MEM_BASE_G(hi));
189 meminfo_buff->avail[i].limit =
190 meminfo_buff->avail[i].base +
191 cudbg_mbytes_to_bytes(EXT_MEM_SIZE_G(hi));
192 meminfo_buff->avail[i].idx = 3;
193 i++;
196 if (lo & EXT_MEM1_ENABLE_F) {
197 hi = t4_read_reg(padap, MA_EXT_MEMORY1_BAR_A);
198 meminfo_buff->avail[i].base =
199 cudbg_mbytes_to_bytes(EXT_MEM1_BASE_G(hi));
200 meminfo_buff->avail[i].limit =
201 meminfo_buff->avail[i].base +
202 cudbg_mbytes_to_bytes(EXT_MEM1_SIZE_G(hi));
203 meminfo_buff->avail[i].idx = 4;
204 i++;
206 } else {
207 if (lo & EXT_MEM_ENABLE_F) {
208 hi = t4_read_reg(padap, MA_EXT_MEMORY_BAR_A);
209 meminfo_buff->avail[i].base =
210 cudbg_mbytes_to_bytes(EXT_MEM_BASE_G(hi));
211 meminfo_buff->avail[i].limit =
212 meminfo_buff->avail[i].base +
213 cudbg_mbytes_to_bytes(EXT_MEM_SIZE_G(hi));
214 meminfo_buff->avail[i].idx = 2;
215 i++;
218 if (lo & HMA_MUX_F) {
219 hi = t4_read_reg(padap, MA_EXT_MEMORY1_BAR_A);
220 meminfo_buff->avail[i].base =
221 cudbg_mbytes_to_bytes(EXT_MEM1_BASE_G(hi));
222 meminfo_buff->avail[i].limit =
223 meminfo_buff->avail[i].base +
224 cudbg_mbytes_to_bytes(EXT_MEM1_SIZE_G(hi));
225 meminfo_buff->avail[i].idx = 5;
226 i++;
230 if (!i) /* no memory available */
231 return CUDBG_STATUS_ENTITY_NOT_FOUND;
233 meminfo_buff->avail_c = i;
234 sort(meminfo_buff->avail, i, sizeof(struct cudbg_mem_desc),
235 cudbg_mem_desc_cmp, NULL);
236 (md++)->base = t4_read_reg(padap, SGE_DBQ_CTXT_BADDR_A);
237 (md++)->base = t4_read_reg(padap, SGE_IMSG_CTXT_BADDR_A);
238 (md++)->base = t4_read_reg(padap, SGE_FLM_CACHE_BADDR_A);
239 (md++)->base = t4_read_reg(padap, TP_CMM_TCB_BASE_A);
240 (md++)->base = t4_read_reg(padap, TP_CMM_MM_BASE_A);
241 (md++)->base = t4_read_reg(padap, TP_CMM_TIMER_BASE_A);
242 (md++)->base = t4_read_reg(padap, TP_CMM_MM_RX_FLST_BASE_A);
243 (md++)->base = t4_read_reg(padap, TP_CMM_MM_TX_FLST_BASE_A);
244 (md++)->base = t4_read_reg(padap, TP_CMM_MM_PS_FLST_BASE_A);
246 /* the next few have explicit upper bounds */
247 md->base = t4_read_reg(padap, TP_PMM_TX_BASE_A);
248 md->limit = md->base - 1 +
249 t4_read_reg(padap, TP_PMM_TX_PAGE_SIZE_A) *
250 PMTXMAXPAGE_G(t4_read_reg(padap, TP_PMM_TX_MAX_PAGE_A));
251 md++;
253 md->base = t4_read_reg(padap, TP_PMM_RX_BASE_A);
254 md->limit = md->base - 1 +
255 t4_read_reg(padap, TP_PMM_RX_PAGE_SIZE_A) *
256 PMRXMAXPAGE_G(t4_read_reg(padap, TP_PMM_RX_MAX_PAGE_A));
257 md++;
259 if (t4_read_reg(padap, LE_DB_CONFIG_A) & HASHEN_F) {
260 if (CHELSIO_CHIP_VERSION(padap->params.chip) <= CHELSIO_T5) {
261 hi = t4_read_reg(padap, LE_DB_TID_HASHBASE_A) / 4;
262 md->base = t4_read_reg(padap, LE_DB_HASH_TID_BASE_A);
263 } else {
264 hi = t4_read_reg(padap, LE_DB_HASH_TID_BASE_A);
265 md->base = t4_read_reg(padap,
266 LE_DB_HASH_TBL_BASE_ADDR_A);
268 md->limit = 0;
269 } else {
270 md->base = 0;
271 md->idx = ARRAY_SIZE(cudbg_region); /* hide it */
273 md++;
275 #define ulp_region(reg) do { \
276 md->base = t4_read_reg(padap, ULP_ ## reg ## _LLIMIT_A);\
277 (md++)->limit = t4_read_reg(padap, ULP_ ## reg ## _ULIMIT_A);\
278 } while (0)
280 ulp_region(RX_ISCSI);
281 ulp_region(RX_TDDP);
282 ulp_region(TX_TPT);
283 ulp_region(RX_STAG);
284 ulp_region(RX_RQ);
285 ulp_region(RX_RQUDP);
286 ulp_region(RX_PBL);
287 ulp_region(TX_PBL);
288 #undef ulp_region
289 md->base = 0;
290 md->idx = ARRAY_SIZE(cudbg_region);
291 if (!is_t4(padap->params.chip)) {
292 u32 fifo_size = t4_read_reg(padap, SGE_DBVFIFO_SIZE_A);
293 u32 sge_ctrl = t4_read_reg(padap, SGE_CONTROL2_A);
294 u32 size = 0;
296 if (is_t5(padap->params.chip)) {
297 if (sge_ctrl & VFIFO_ENABLE_F)
298 size = DBVFIFO_SIZE_G(fifo_size);
299 } else {
300 size = T6_DBVFIFO_SIZE_G(fifo_size);
303 if (size) {
304 md->base = BASEADDR_G(t4_read_reg(padap,
305 SGE_DBVFIFO_BADDR_A));
306 md->limit = md->base + (size << 2) - 1;
310 md++;
312 md->base = t4_read_reg(padap, ULP_RX_CTX_BASE_A);
313 md->limit = 0;
314 md++;
315 md->base = t4_read_reg(padap, ULP_TX_ERR_TABLE_BASE_A);
316 md->limit = 0;
317 md++;
319 md->base = padap->vres.ocq.start;
320 if (padap->vres.ocq.size)
321 md->limit = md->base + padap->vres.ocq.size - 1;
322 else
323 md->idx = ARRAY_SIZE(cudbg_region); /* hide it */
324 md++;
326 /* add any address-space holes, there can be up to 3 */
327 for (n = 0; n < i - 1; n++)
328 if (meminfo_buff->avail[n].limit <
329 meminfo_buff->avail[n + 1].base)
330 (md++)->base = meminfo_buff->avail[n].limit;
332 if (meminfo_buff->avail[n].limit)
333 (md++)->base = meminfo_buff->avail[n].limit;
335 n = md - meminfo_buff->mem;
336 meminfo_buff->mem_c = n;
338 sort(meminfo_buff->mem, n, sizeof(struct cudbg_mem_desc),
339 cudbg_mem_desc_cmp, NULL);
341 lo = t4_read_reg(padap, CIM_SDRAM_BASE_ADDR_A);
342 hi = t4_read_reg(padap, CIM_SDRAM_ADDR_SIZE_A) + lo - 1;
343 meminfo_buff->up_ram_lo = lo;
344 meminfo_buff->up_ram_hi = hi;
346 lo = t4_read_reg(padap, CIM_EXTMEM2_BASE_ADDR_A);
347 hi = t4_read_reg(padap, CIM_EXTMEM2_ADDR_SIZE_A) + lo - 1;
348 meminfo_buff->up_extmem2_lo = lo;
349 meminfo_buff->up_extmem2_hi = hi;
351 lo = t4_read_reg(padap, TP_PMM_RX_MAX_PAGE_A);
352 meminfo_buff->rx_pages_data[0] = PMRXMAXPAGE_G(lo);
353 meminfo_buff->rx_pages_data[1] =
354 t4_read_reg(padap, TP_PMM_RX_PAGE_SIZE_A) >> 10;
355 meminfo_buff->rx_pages_data[2] = (lo & PMRXNUMCHN_F) ? 2 : 1;
357 lo = t4_read_reg(padap, TP_PMM_TX_MAX_PAGE_A);
358 hi = t4_read_reg(padap, TP_PMM_TX_PAGE_SIZE_A);
359 meminfo_buff->tx_pages_data[0] = PMTXMAXPAGE_G(lo);
360 meminfo_buff->tx_pages_data[1] =
361 hi >= (1 << 20) ? (hi >> 20) : (hi >> 10);
362 meminfo_buff->tx_pages_data[2] =
363 hi >= (1 << 20) ? 'M' : 'K';
364 meminfo_buff->tx_pages_data[3] = 1 << PMTXNUMCHN_G(lo);
366 meminfo_buff->p_structs = t4_read_reg(padap, TP_CMM_MM_MAX_PSTRUCT_A);
368 for (i = 0; i < 4; i++) {
369 if (CHELSIO_CHIP_VERSION(padap->params.chip) > CHELSIO_T5)
370 lo = t4_read_reg(padap,
371 MPS_RX_MAC_BG_PG_CNT0_A + i * 4);
372 else
373 lo = t4_read_reg(padap, MPS_RX_PG_RSV0_A + i * 4);
374 if (is_t5(padap->params.chip)) {
375 used = T5_USED_G(lo);
376 alloc = T5_ALLOC_G(lo);
377 } else {
378 used = USED_G(lo);
379 alloc = ALLOC_G(lo);
381 meminfo_buff->port_used[i] = used;
382 meminfo_buff->port_alloc[i] = alloc;
385 for (i = 0; i < padap->params.arch.nchan; i++) {
386 if (CHELSIO_CHIP_VERSION(padap->params.chip) > CHELSIO_T5)
387 lo = t4_read_reg(padap,
388 MPS_RX_LPBK_BG_PG_CNT0_A + i * 4);
389 else
390 lo = t4_read_reg(padap, MPS_RX_PG_RSV4_A + i * 4);
391 if (is_t5(padap->params.chip)) {
392 used = T5_USED_G(lo);
393 alloc = T5_ALLOC_G(lo);
394 } else {
395 used = USED_G(lo);
396 alloc = ALLOC_G(lo);
398 meminfo_buff->loopback_used[i] = used;
399 meminfo_buff->loopback_alloc[i] = alloc;
402 return 0;
405 int cudbg_collect_reg_dump(struct cudbg_init *pdbg_init,
406 struct cudbg_buffer *dbg_buff,
407 struct cudbg_error *cudbg_err)
409 struct adapter *padap = pdbg_init->adap;
410 struct cudbg_buffer temp_buff = { 0 };
411 u32 buf_size = 0;
412 int rc = 0;
414 if (is_t4(padap->params.chip))
415 buf_size = T4_REGMAP_SIZE;
416 else if (is_t5(padap->params.chip) || is_t6(padap->params.chip))
417 buf_size = T5_REGMAP_SIZE;
419 rc = cudbg_get_buff(pdbg_init, dbg_buff, buf_size, &temp_buff);
420 if (rc)
421 return rc;
422 t4_get_regs(padap, (void *)temp_buff.data, temp_buff.size);
423 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
426 int cudbg_collect_fw_devlog(struct cudbg_init *pdbg_init,
427 struct cudbg_buffer *dbg_buff,
428 struct cudbg_error *cudbg_err)
430 struct adapter *padap = pdbg_init->adap;
431 struct cudbg_buffer temp_buff = { 0 };
432 struct devlog_params *dparams;
433 int rc = 0;
435 rc = t4_init_devlog_params(padap);
436 if (rc < 0) {
437 cudbg_err->sys_err = rc;
438 return rc;
441 dparams = &padap->params.devlog;
442 rc = cudbg_get_buff(pdbg_init, dbg_buff, dparams->size, &temp_buff);
443 if (rc)
444 return rc;
446 /* Collect FW devlog */
447 if (dparams->start != 0) {
448 spin_lock(&padap->win0_lock);
449 rc = t4_memory_rw(padap, padap->params.drv_memwin,
450 dparams->memtype, dparams->start,
451 dparams->size,
452 (__be32 *)(char *)temp_buff.data,
454 spin_unlock(&padap->win0_lock);
455 if (rc) {
456 cudbg_err->sys_err = rc;
457 cudbg_put_buff(pdbg_init, &temp_buff);
458 return rc;
461 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
464 int cudbg_collect_cim_la(struct cudbg_init *pdbg_init,
465 struct cudbg_buffer *dbg_buff,
466 struct cudbg_error *cudbg_err)
468 struct adapter *padap = pdbg_init->adap;
469 struct cudbg_buffer temp_buff = { 0 };
470 int size, rc;
471 u32 cfg = 0;
473 if (is_t6(padap->params.chip)) {
474 size = padap->params.cim_la_size / 10 + 1;
475 size *= 10 * sizeof(u32);
476 } else {
477 size = padap->params.cim_la_size / 8;
478 size *= 8 * sizeof(u32);
481 size += sizeof(cfg);
482 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff);
483 if (rc)
484 return rc;
486 rc = t4_cim_read(padap, UP_UP_DBG_LA_CFG_A, 1, &cfg);
487 if (rc) {
488 cudbg_err->sys_err = rc;
489 cudbg_put_buff(pdbg_init, &temp_buff);
490 return rc;
493 memcpy((char *)temp_buff.data, &cfg, sizeof(cfg));
494 rc = t4_cim_read_la(padap,
495 (u32 *)((char *)temp_buff.data + sizeof(cfg)),
496 NULL);
497 if (rc < 0) {
498 cudbg_err->sys_err = rc;
499 cudbg_put_buff(pdbg_init, &temp_buff);
500 return rc;
502 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
505 int cudbg_collect_cim_ma_la(struct cudbg_init *pdbg_init,
506 struct cudbg_buffer *dbg_buff,
507 struct cudbg_error *cudbg_err)
509 struct adapter *padap = pdbg_init->adap;
510 struct cudbg_buffer temp_buff = { 0 };
511 int size, rc;
513 size = 2 * CIM_MALA_SIZE * 5 * sizeof(u32);
514 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff);
515 if (rc)
516 return rc;
518 t4_cim_read_ma_la(padap,
519 (u32 *)temp_buff.data,
520 (u32 *)((char *)temp_buff.data +
521 5 * CIM_MALA_SIZE));
522 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
525 int cudbg_collect_cim_qcfg(struct cudbg_init *pdbg_init,
526 struct cudbg_buffer *dbg_buff,
527 struct cudbg_error *cudbg_err)
529 struct adapter *padap = pdbg_init->adap;
530 struct cudbg_buffer temp_buff = { 0 };
531 struct cudbg_cim_qcfg *cim_qcfg_data;
532 int rc;
534 rc = cudbg_get_buff(pdbg_init, dbg_buff, sizeof(struct cudbg_cim_qcfg),
535 &temp_buff);
536 if (rc)
537 return rc;
539 cim_qcfg_data = (struct cudbg_cim_qcfg *)temp_buff.data;
540 cim_qcfg_data->chip = padap->params.chip;
541 rc = t4_cim_read(padap, UP_IBQ_0_RDADDR_A,
542 ARRAY_SIZE(cim_qcfg_data->stat), cim_qcfg_data->stat);
543 if (rc) {
544 cudbg_err->sys_err = rc;
545 cudbg_put_buff(pdbg_init, &temp_buff);
546 return rc;
549 rc = t4_cim_read(padap, UP_OBQ_0_REALADDR_A,
550 ARRAY_SIZE(cim_qcfg_data->obq_wr),
551 cim_qcfg_data->obq_wr);
552 if (rc) {
553 cudbg_err->sys_err = rc;
554 cudbg_put_buff(pdbg_init, &temp_buff);
555 return rc;
558 t4_read_cimq_cfg(padap, cim_qcfg_data->base, cim_qcfg_data->size,
559 cim_qcfg_data->thres);
560 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
563 static int cudbg_read_cim_ibq(struct cudbg_init *pdbg_init,
564 struct cudbg_buffer *dbg_buff,
565 struct cudbg_error *cudbg_err, int qid)
567 struct adapter *padap = pdbg_init->adap;
568 struct cudbg_buffer temp_buff = { 0 };
569 int no_of_read_words, rc = 0;
570 u32 qsize;
572 /* collect CIM IBQ */
573 qsize = CIM_IBQ_SIZE * 4 * sizeof(u32);
574 rc = cudbg_get_buff(pdbg_init, dbg_buff, qsize, &temp_buff);
575 if (rc)
576 return rc;
578 /* t4_read_cim_ibq will return no. of read words or error */
579 no_of_read_words = t4_read_cim_ibq(padap, qid,
580 (u32 *)temp_buff.data, qsize);
581 /* no_of_read_words is less than or equal to 0 means error */
582 if (no_of_read_words <= 0) {
583 if (!no_of_read_words)
584 rc = CUDBG_SYSTEM_ERROR;
585 else
586 rc = no_of_read_words;
587 cudbg_err->sys_err = rc;
588 cudbg_put_buff(pdbg_init, &temp_buff);
589 return rc;
591 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
594 int cudbg_collect_cim_ibq_tp0(struct cudbg_init *pdbg_init,
595 struct cudbg_buffer *dbg_buff,
596 struct cudbg_error *cudbg_err)
598 return cudbg_read_cim_ibq(pdbg_init, dbg_buff, cudbg_err, 0);
601 int cudbg_collect_cim_ibq_tp1(struct cudbg_init *pdbg_init,
602 struct cudbg_buffer *dbg_buff,
603 struct cudbg_error *cudbg_err)
605 return cudbg_read_cim_ibq(pdbg_init, dbg_buff, cudbg_err, 1);
608 int cudbg_collect_cim_ibq_ulp(struct cudbg_init *pdbg_init,
609 struct cudbg_buffer *dbg_buff,
610 struct cudbg_error *cudbg_err)
612 return cudbg_read_cim_ibq(pdbg_init, dbg_buff, cudbg_err, 2);
615 int cudbg_collect_cim_ibq_sge0(struct cudbg_init *pdbg_init,
616 struct cudbg_buffer *dbg_buff,
617 struct cudbg_error *cudbg_err)
619 return cudbg_read_cim_ibq(pdbg_init, dbg_buff, cudbg_err, 3);
622 int cudbg_collect_cim_ibq_sge1(struct cudbg_init *pdbg_init,
623 struct cudbg_buffer *dbg_buff,
624 struct cudbg_error *cudbg_err)
626 return cudbg_read_cim_ibq(pdbg_init, dbg_buff, cudbg_err, 4);
629 int cudbg_collect_cim_ibq_ncsi(struct cudbg_init *pdbg_init,
630 struct cudbg_buffer *dbg_buff,
631 struct cudbg_error *cudbg_err)
633 return cudbg_read_cim_ibq(pdbg_init, dbg_buff, cudbg_err, 5);
636 u32 cudbg_cim_obq_size(struct adapter *padap, int qid)
638 u32 value;
640 t4_write_reg(padap, CIM_QUEUE_CONFIG_REF_A, OBQSELECT_F |
641 QUENUMSELECT_V(qid));
642 value = t4_read_reg(padap, CIM_QUEUE_CONFIG_CTRL_A);
643 value = CIMQSIZE_G(value) * 64; /* size in number of words */
644 return value * sizeof(u32);
647 static int cudbg_read_cim_obq(struct cudbg_init *pdbg_init,
648 struct cudbg_buffer *dbg_buff,
649 struct cudbg_error *cudbg_err, int qid)
651 struct adapter *padap = pdbg_init->adap;
652 struct cudbg_buffer temp_buff = { 0 };
653 int no_of_read_words, rc = 0;
654 u32 qsize;
656 /* collect CIM OBQ */
657 qsize = cudbg_cim_obq_size(padap, qid);
658 rc = cudbg_get_buff(pdbg_init, dbg_buff, qsize, &temp_buff);
659 if (rc)
660 return rc;
662 /* t4_read_cim_obq will return no. of read words or error */
663 no_of_read_words = t4_read_cim_obq(padap, qid,
664 (u32 *)temp_buff.data, qsize);
665 /* no_of_read_words is less than or equal to 0 means error */
666 if (no_of_read_words <= 0) {
667 if (!no_of_read_words)
668 rc = CUDBG_SYSTEM_ERROR;
669 else
670 rc = no_of_read_words;
671 cudbg_err->sys_err = rc;
672 cudbg_put_buff(pdbg_init, &temp_buff);
673 return rc;
675 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
678 int cudbg_collect_cim_obq_ulp0(struct cudbg_init *pdbg_init,
679 struct cudbg_buffer *dbg_buff,
680 struct cudbg_error *cudbg_err)
682 return cudbg_read_cim_obq(pdbg_init, dbg_buff, cudbg_err, 0);
685 int cudbg_collect_cim_obq_ulp1(struct cudbg_init *pdbg_init,
686 struct cudbg_buffer *dbg_buff,
687 struct cudbg_error *cudbg_err)
689 return cudbg_read_cim_obq(pdbg_init, dbg_buff, cudbg_err, 1);
692 int cudbg_collect_cim_obq_ulp2(struct cudbg_init *pdbg_init,
693 struct cudbg_buffer *dbg_buff,
694 struct cudbg_error *cudbg_err)
696 return cudbg_read_cim_obq(pdbg_init, dbg_buff, cudbg_err, 2);
699 int cudbg_collect_cim_obq_ulp3(struct cudbg_init *pdbg_init,
700 struct cudbg_buffer *dbg_buff,
701 struct cudbg_error *cudbg_err)
703 return cudbg_read_cim_obq(pdbg_init, dbg_buff, cudbg_err, 3);
706 int cudbg_collect_cim_obq_sge(struct cudbg_init *pdbg_init,
707 struct cudbg_buffer *dbg_buff,
708 struct cudbg_error *cudbg_err)
710 return cudbg_read_cim_obq(pdbg_init, dbg_buff, cudbg_err, 4);
713 int cudbg_collect_cim_obq_ncsi(struct cudbg_init *pdbg_init,
714 struct cudbg_buffer *dbg_buff,
715 struct cudbg_error *cudbg_err)
717 return cudbg_read_cim_obq(pdbg_init, dbg_buff, cudbg_err, 5);
720 int cudbg_collect_obq_sge_rx_q0(struct cudbg_init *pdbg_init,
721 struct cudbg_buffer *dbg_buff,
722 struct cudbg_error *cudbg_err)
724 return cudbg_read_cim_obq(pdbg_init, dbg_buff, cudbg_err, 6);
727 int cudbg_collect_obq_sge_rx_q1(struct cudbg_init *pdbg_init,
728 struct cudbg_buffer *dbg_buff,
729 struct cudbg_error *cudbg_err)
731 return cudbg_read_cim_obq(pdbg_init, dbg_buff, cudbg_err, 7);
734 static int cudbg_meminfo_get_mem_index(struct adapter *padap,
735 struct cudbg_meminfo *mem_info,
736 u8 mem_type, u8 *idx)
738 u8 i, flag;
740 switch (mem_type) {
741 case MEM_EDC0:
742 flag = EDC0_FLAG;
743 break;
744 case MEM_EDC1:
745 flag = EDC1_FLAG;
746 break;
747 case MEM_MC0:
748 /* Some T5 cards have both MC0 and MC1. */
749 flag = is_t5(padap->params.chip) ? MC0_FLAG : MC_FLAG;
750 break;
751 case MEM_MC1:
752 flag = MC1_FLAG;
753 break;
754 case MEM_HMA:
755 flag = HMA_FLAG;
756 break;
757 default:
758 return CUDBG_STATUS_ENTITY_NOT_FOUND;
761 for (i = 0; i < mem_info->avail_c; i++) {
762 if (mem_info->avail[i].idx == flag) {
763 *idx = i;
764 return 0;
768 return CUDBG_STATUS_ENTITY_NOT_FOUND;
771 /* Fetch the @region_name's start and end from @meminfo. */
772 static int cudbg_get_mem_region(struct adapter *padap,
773 struct cudbg_meminfo *meminfo,
774 u8 mem_type, const char *region_name,
775 struct cudbg_mem_desc *mem_desc)
777 u8 mc, found = 0;
778 u32 i, idx = 0;
779 int rc;
781 rc = cudbg_meminfo_get_mem_index(padap, meminfo, mem_type, &mc);
782 if (rc)
783 return rc;
785 for (i = 0; i < ARRAY_SIZE(cudbg_region); i++) {
786 if (!strcmp(cudbg_region[i], region_name)) {
787 found = 1;
788 idx = i;
789 break;
792 if (!found)
793 return -EINVAL;
795 found = 0;
796 for (i = 0; i < meminfo->mem_c; i++) {
797 if (meminfo->mem[i].idx >= ARRAY_SIZE(cudbg_region))
798 continue; /* Skip holes */
800 if (!(meminfo->mem[i].limit))
801 meminfo->mem[i].limit =
802 i < meminfo->mem_c - 1 ?
803 meminfo->mem[i + 1].base - 1 : ~0;
805 if (meminfo->mem[i].idx == idx) {
806 /* Check if the region exists in @mem_type memory */
807 if (meminfo->mem[i].base < meminfo->avail[mc].base &&
808 meminfo->mem[i].limit < meminfo->avail[mc].base)
809 return -EINVAL;
811 if (meminfo->mem[i].base > meminfo->avail[mc].limit)
812 return -EINVAL;
814 memcpy(mem_desc, &meminfo->mem[i],
815 sizeof(struct cudbg_mem_desc));
816 found = 1;
817 break;
820 if (!found)
821 return -EINVAL;
823 return 0;
826 /* Fetch and update the start and end of the requested memory region w.r.t 0
827 * in the corresponding EDC/MC/HMA.
829 static int cudbg_get_mem_relative(struct adapter *padap,
830 struct cudbg_meminfo *meminfo,
831 u8 mem_type, u32 *out_base, u32 *out_end)
833 u8 mc_idx;
834 int rc;
836 rc = cudbg_meminfo_get_mem_index(padap, meminfo, mem_type, &mc_idx);
837 if (rc)
838 return rc;
840 if (*out_base < meminfo->avail[mc_idx].base)
841 *out_base = 0;
842 else
843 *out_base -= meminfo->avail[mc_idx].base;
845 if (*out_end > meminfo->avail[mc_idx].limit)
846 *out_end = meminfo->avail[mc_idx].limit;
847 else
848 *out_end -= meminfo->avail[mc_idx].base;
850 return 0;
853 /* Get TX and RX Payload region */
854 static int cudbg_get_payload_range(struct adapter *padap, u8 mem_type,
855 const char *region_name,
856 struct cudbg_region_info *payload)
858 struct cudbg_mem_desc mem_desc = { 0 };
859 struct cudbg_meminfo meminfo;
860 int rc;
862 rc = cudbg_fill_meminfo(padap, &meminfo);
863 if (rc)
864 return rc;
866 rc = cudbg_get_mem_region(padap, &meminfo, mem_type, region_name,
867 &mem_desc);
868 if (rc) {
869 payload->exist = false;
870 return 0;
873 payload->exist = true;
874 payload->start = mem_desc.base;
875 payload->end = mem_desc.limit;
877 return cudbg_get_mem_relative(padap, &meminfo, mem_type,
878 &payload->start, &payload->end);
881 static int cudbg_memory_read(struct cudbg_init *pdbg_init, int win,
882 int mtype, u32 addr, u32 len, void *hbuf)
884 u32 win_pf, memoffset, mem_aperture, mem_base;
885 struct adapter *adap = pdbg_init->adap;
886 u32 pos, offset, resid;
887 u32 *res_buf;
888 u64 *buf;
889 int ret;
891 /* Argument sanity checks ...
893 if (addr & 0x3 || (uintptr_t)hbuf & 0x3)
894 return -EINVAL;
896 buf = (u64 *)hbuf;
898 /* Try to do 64-bit reads. Residual will be handled later. */
899 resid = len & 0x7;
900 len -= resid;
902 ret = t4_memory_rw_init(adap, win, mtype, &memoffset, &mem_base,
903 &mem_aperture);
904 if (ret)
905 return ret;
907 addr = addr + memoffset;
908 win_pf = is_t4(adap->params.chip) ? 0 : PFNUM_V(adap->pf);
910 pos = addr & ~(mem_aperture - 1);
911 offset = addr - pos;
913 /* Set up initial PCI-E Memory Window to cover the start of our
914 * transfer.
916 t4_memory_update_win(adap, win, pos | win_pf);
918 /* Transfer data from the adapter */
919 while (len > 0) {
920 *buf++ = le64_to_cpu((__force __le64)
921 t4_read_reg64(adap, mem_base + offset));
922 offset += sizeof(u64);
923 len -= sizeof(u64);
925 /* If we've reached the end of our current window aperture,
926 * move the PCI-E Memory Window on to the next.
928 if (offset == mem_aperture) {
929 pos += mem_aperture;
930 offset = 0;
931 t4_memory_update_win(adap, win, pos | win_pf);
935 res_buf = (u32 *)buf;
936 /* Read residual in 32-bit multiples */
937 while (resid > sizeof(u32)) {
938 *res_buf++ = le32_to_cpu((__force __le32)
939 t4_read_reg(adap, mem_base + offset));
940 offset += sizeof(u32);
941 resid -= sizeof(u32);
943 /* If we've reached the end of our current window aperture,
944 * move the PCI-E Memory Window on to the next.
946 if (offset == mem_aperture) {
947 pos += mem_aperture;
948 offset = 0;
949 t4_memory_update_win(adap, win, pos | win_pf);
953 /* Transfer residual < 32-bits */
954 if (resid)
955 t4_memory_rw_residual(adap, resid, mem_base + offset,
956 (u8 *)res_buf, T4_MEMORY_READ);
958 return 0;
961 #define CUDBG_YIELD_ITERATION 256
963 static int cudbg_read_fw_mem(struct cudbg_init *pdbg_init,
964 struct cudbg_buffer *dbg_buff, u8 mem_type,
965 unsigned long tot_len,
966 struct cudbg_error *cudbg_err)
968 static const char * const region_name[] = { "Tx payload:",
969 "Rx payload:" };
970 unsigned long bytes, bytes_left, bytes_read = 0;
971 struct adapter *padap = pdbg_init->adap;
972 struct cudbg_buffer temp_buff = { 0 };
973 struct cudbg_region_info payload[2];
974 u32 yield_count = 0;
975 int rc = 0;
976 u8 i;
978 /* Get TX/RX Payload region range if they exist */
979 memset(payload, 0, sizeof(payload));
980 for (i = 0; i < ARRAY_SIZE(region_name); i++) {
981 rc = cudbg_get_payload_range(padap, mem_type, region_name[i],
982 &payload[i]);
983 if (rc)
984 return rc;
986 if (payload[i].exist) {
987 /* Align start and end to avoid wrap around */
988 payload[i].start = roundup(payload[i].start,
989 CUDBG_CHUNK_SIZE);
990 payload[i].end = rounddown(payload[i].end,
991 CUDBG_CHUNK_SIZE);
995 bytes_left = tot_len;
996 while (bytes_left > 0) {
997 /* As MC size is huge and read through PIO access, this
998 * loop will hold cpu for a longer time. OS may think that
999 * the process is hanged and will generate CPU stall traces.
1000 * So yield the cpu regularly.
1002 yield_count++;
1003 if (!(yield_count % CUDBG_YIELD_ITERATION))
1004 schedule();
1006 bytes = min_t(unsigned long, bytes_left,
1007 (unsigned long)CUDBG_CHUNK_SIZE);
1008 rc = cudbg_get_buff(pdbg_init, dbg_buff, bytes, &temp_buff);
1009 if (rc)
1010 return rc;
1012 for (i = 0; i < ARRAY_SIZE(payload); i++)
1013 if (payload[i].exist &&
1014 bytes_read >= payload[i].start &&
1015 bytes_read + bytes <= payload[i].end)
1016 /* TX and RX Payload regions can't overlap */
1017 goto skip_read;
1019 spin_lock(&padap->win0_lock);
1020 rc = cudbg_memory_read(pdbg_init, MEMWIN_NIC, mem_type,
1021 bytes_read, bytes, temp_buff.data);
1022 spin_unlock(&padap->win0_lock);
1023 if (rc) {
1024 cudbg_err->sys_err = rc;
1025 cudbg_put_buff(pdbg_init, &temp_buff);
1026 return rc;
1029 skip_read:
1030 bytes_left -= bytes;
1031 bytes_read += bytes;
1032 rc = cudbg_write_and_release_buff(pdbg_init, &temp_buff,
1033 dbg_buff);
1034 if (rc) {
1035 cudbg_put_buff(pdbg_init, &temp_buff);
1036 return rc;
1039 return rc;
1042 static void cudbg_t4_fwcache(struct cudbg_init *pdbg_init,
1043 struct cudbg_error *cudbg_err)
1045 struct adapter *padap = pdbg_init->adap;
1046 int rc;
1048 if (is_fw_attached(pdbg_init)) {
1049 /* Flush uP dcache before reading edcX/mcX */
1050 rc = t4_fwcache(padap, FW_PARAM_DEV_FWCACHE_FLUSH);
1051 if (rc)
1052 cudbg_err->sys_warn = rc;
1056 static int cudbg_collect_mem_region(struct cudbg_init *pdbg_init,
1057 struct cudbg_buffer *dbg_buff,
1058 struct cudbg_error *cudbg_err,
1059 u8 mem_type)
1061 struct adapter *padap = pdbg_init->adap;
1062 struct cudbg_meminfo mem_info;
1063 unsigned long size;
1064 u8 mc_idx;
1065 int rc;
1067 memset(&mem_info, 0, sizeof(struct cudbg_meminfo));
1068 rc = cudbg_fill_meminfo(padap, &mem_info);
1069 if (rc)
1070 return rc;
1072 cudbg_t4_fwcache(pdbg_init, cudbg_err);
1073 rc = cudbg_meminfo_get_mem_index(padap, &mem_info, mem_type, &mc_idx);
1074 if (rc)
1075 return rc;
1077 size = mem_info.avail[mc_idx].limit - mem_info.avail[mc_idx].base;
1078 return cudbg_read_fw_mem(pdbg_init, dbg_buff, mem_type, size,
1079 cudbg_err);
1082 int cudbg_collect_edc0_meminfo(struct cudbg_init *pdbg_init,
1083 struct cudbg_buffer *dbg_buff,
1084 struct cudbg_error *cudbg_err)
1086 return cudbg_collect_mem_region(pdbg_init, dbg_buff, cudbg_err,
1087 MEM_EDC0);
1090 int cudbg_collect_edc1_meminfo(struct cudbg_init *pdbg_init,
1091 struct cudbg_buffer *dbg_buff,
1092 struct cudbg_error *cudbg_err)
1094 return cudbg_collect_mem_region(pdbg_init, dbg_buff, cudbg_err,
1095 MEM_EDC1);
1098 int cudbg_collect_mc0_meminfo(struct cudbg_init *pdbg_init,
1099 struct cudbg_buffer *dbg_buff,
1100 struct cudbg_error *cudbg_err)
1102 return cudbg_collect_mem_region(pdbg_init, dbg_buff, cudbg_err,
1103 MEM_MC0);
1106 int cudbg_collect_mc1_meminfo(struct cudbg_init *pdbg_init,
1107 struct cudbg_buffer *dbg_buff,
1108 struct cudbg_error *cudbg_err)
1110 return cudbg_collect_mem_region(pdbg_init, dbg_buff, cudbg_err,
1111 MEM_MC1);
1114 int cudbg_collect_hma_meminfo(struct cudbg_init *pdbg_init,
1115 struct cudbg_buffer *dbg_buff,
1116 struct cudbg_error *cudbg_err)
1118 return cudbg_collect_mem_region(pdbg_init, dbg_buff, cudbg_err,
1119 MEM_HMA);
1122 int cudbg_collect_rss(struct cudbg_init *pdbg_init,
1123 struct cudbg_buffer *dbg_buff,
1124 struct cudbg_error *cudbg_err)
1126 struct adapter *padap = pdbg_init->adap;
1127 struct cudbg_buffer temp_buff = { 0 };
1128 int rc, nentries;
1130 nentries = t4_chip_rss_size(padap);
1131 rc = cudbg_get_buff(pdbg_init, dbg_buff, nentries * sizeof(u16),
1132 &temp_buff);
1133 if (rc)
1134 return rc;
1136 rc = t4_read_rss(padap, (u16 *)temp_buff.data);
1137 if (rc) {
1138 cudbg_err->sys_err = rc;
1139 cudbg_put_buff(pdbg_init, &temp_buff);
1140 return rc;
1142 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
1145 int cudbg_collect_rss_vf_config(struct cudbg_init *pdbg_init,
1146 struct cudbg_buffer *dbg_buff,
1147 struct cudbg_error *cudbg_err)
1149 struct adapter *padap = pdbg_init->adap;
1150 struct cudbg_buffer temp_buff = { 0 };
1151 struct cudbg_rss_vf_conf *vfconf;
1152 int vf, rc, vf_count;
1154 vf_count = padap->params.arch.vfcount;
1155 rc = cudbg_get_buff(pdbg_init, dbg_buff,
1156 vf_count * sizeof(struct cudbg_rss_vf_conf),
1157 &temp_buff);
1158 if (rc)
1159 return rc;
1161 vfconf = (struct cudbg_rss_vf_conf *)temp_buff.data;
1162 for (vf = 0; vf < vf_count; vf++)
1163 t4_read_rss_vf_config(padap, vf, &vfconf[vf].rss_vf_vfl,
1164 &vfconf[vf].rss_vf_vfh, true);
1165 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
1168 int cudbg_collect_path_mtu(struct cudbg_init *pdbg_init,
1169 struct cudbg_buffer *dbg_buff,
1170 struct cudbg_error *cudbg_err)
1172 struct adapter *padap = pdbg_init->adap;
1173 struct cudbg_buffer temp_buff = { 0 };
1174 int rc;
1176 rc = cudbg_get_buff(pdbg_init, dbg_buff, NMTUS * sizeof(u16),
1177 &temp_buff);
1178 if (rc)
1179 return rc;
1181 t4_read_mtu_tbl(padap, (u16 *)temp_buff.data, NULL);
1182 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
1185 int cudbg_collect_pm_stats(struct cudbg_init *pdbg_init,
1186 struct cudbg_buffer *dbg_buff,
1187 struct cudbg_error *cudbg_err)
1189 struct adapter *padap = pdbg_init->adap;
1190 struct cudbg_buffer temp_buff = { 0 };
1191 struct cudbg_pm_stats *pm_stats_buff;
1192 int rc;
1194 rc = cudbg_get_buff(pdbg_init, dbg_buff, sizeof(struct cudbg_pm_stats),
1195 &temp_buff);
1196 if (rc)
1197 return rc;
1199 pm_stats_buff = (struct cudbg_pm_stats *)temp_buff.data;
1200 t4_pmtx_get_stats(padap, pm_stats_buff->tx_cnt, pm_stats_buff->tx_cyc);
1201 t4_pmrx_get_stats(padap, pm_stats_buff->rx_cnt, pm_stats_buff->rx_cyc);
1202 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
1205 int cudbg_collect_hw_sched(struct cudbg_init *pdbg_init,
1206 struct cudbg_buffer *dbg_buff,
1207 struct cudbg_error *cudbg_err)
1209 struct adapter *padap = pdbg_init->adap;
1210 struct cudbg_buffer temp_buff = { 0 };
1211 struct cudbg_hw_sched *hw_sched_buff;
1212 int i, rc = 0;
1214 if (!padap->params.vpd.cclk)
1215 return CUDBG_STATUS_CCLK_NOT_DEFINED;
1217 rc = cudbg_get_buff(pdbg_init, dbg_buff, sizeof(struct cudbg_hw_sched),
1218 &temp_buff);
1219 hw_sched_buff = (struct cudbg_hw_sched *)temp_buff.data;
1220 hw_sched_buff->map = t4_read_reg(padap, TP_TX_MOD_QUEUE_REQ_MAP_A);
1221 hw_sched_buff->mode = TIMERMODE_G(t4_read_reg(padap, TP_MOD_CONFIG_A));
1222 t4_read_pace_tbl(padap, hw_sched_buff->pace_tab);
1223 for (i = 0; i < NTX_SCHED; ++i)
1224 t4_get_tx_sched(padap, i, &hw_sched_buff->kbps[i],
1225 &hw_sched_buff->ipg[i], true);
1226 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
1229 int cudbg_collect_tp_indirect(struct cudbg_init *pdbg_init,
1230 struct cudbg_buffer *dbg_buff,
1231 struct cudbg_error *cudbg_err)
1233 struct adapter *padap = pdbg_init->adap;
1234 struct cudbg_buffer temp_buff = { 0 };
1235 struct ireg_buf *ch_tp_pio;
1236 int i, rc, n = 0;
1237 u32 size;
1239 if (is_t5(padap->params.chip))
1240 n = sizeof(t5_tp_pio_array) +
1241 sizeof(t5_tp_tm_pio_array) +
1242 sizeof(t5_tp_mib_index_array);
1243 else
1244 n = sizeof(t6_tp_pio_array) +
1245 sizeof(t6_tp_tm_pio_array) +
1246 sizeof(t6_tp_mib_index_array);
1248 n = n / (IREG_NUM_ELEM * sizeof(u32));
1249 size = sizeof(struct ireg_buf) * n;
1250 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff);
1251 if (rc)
1252 return rc;
1254 ch_tp_pio = (struct ireg_buf *)temp_buff.data;
1256 /* TP_PIO */
1257 if (is_t5(padap->params.chip))
1258 n = sizeof(t5_tp_pio_array) / (IREG_NUM_ELEM * sizeof(u32));
1259 else if (is_t6(padap->params.chip))
1260 n = sizeof(t6_tp_pio_array) / (IREG_NUM_ELEM * sizeof(u32));
1262 for (i = 0; i < n; i++) {
1263 struct ireg_field *tp_pio = &ch_tp_pio->tp_pio;
1264 u32 *buff = ch_tp_pio->outbuf;
1266 if (is_t5(padap->params.chip)) {
1267 tp_pio->ireg_addr = t5_tp_pio_array[i][0];
1268 tp_pio->ireg_data = t5_tp_pio_array[i][1];
1269 tp_pio->ireg_local_offset = t5_tp_pio_array[i][2];
1270 tp_pio->ireg_offset_range = t5_tp_pio_array[i][3];
1271 } else if (is_t6(padap->params.chip)) {
1272 tp_pio->ireg_addr = t6_tp_pio_array[i][0];
1273 tp_pio->ireg_data = t6_tp_pio_array[i][1];
1274 tp_pio->ireg_local_offset = t6_tp_pio_array[i][2];
1275 tp_pio->ireg_offset_range = t6_tp_pio_array[i][3];
1277 t4_tp_pio_read(padap, buff, tp_pio->ireg_offset_range,
1278 tp_pio->ireg_local_offset, true);
1279 ch_tp_pio++;
1282 /* TP_TM_PIO */
1283 if (is_t5(padap->params.chip))
1284 n = sizeof(t5_tp_tm_pio_array) / (IREG_NUM_ELEM * sizeof(u32));
1285 else if (is_t6(padap->params.chip))
1286 n = sizeof(t6_tp_tm_pio_array) / (IREG_NUM_ELEM * sizeof(u32));
1288 for (i = 0; i < n; i++) {
1289 struct ireg_field *tp_pio = &ch_tp_pio->tp_pio;
1290 u32 *buff = ch_tp_pio->outbuf;
1292 if (is_t5(padap->params.chip)) {
1293 tp_pio->ireg_addr = t5_tp_tm_pio_array[i][0];
1294 tp_pio->ireg_data = t5_tp_tm_pio_array[i][1];
1295 tp_pio->ireg_local_offset = t5_tp_tm_pio_array[i][2];
1296 tp_pio->ireg_offset_range = t5_tp_tm_pio_array[i][3];
1297 } else if (is_t6(padap->params.chip)) {
1298 tp_pio->ireg_addr = t6_tp_tm_pio_array[i][0];
1299 tp_pio->ireg_data = t6_tp_tm_pio_array[i][1];
1300 tp_pio->ireg_local_offset = t6_tp_tm_pio_array[i][2];
1301 tp_pio->ireg_offset_range = t6_tp_tm_pio_array[i][3];
1303 t4_tp_tm_pio_read(padap, buff, tp_pio->ireg_offset_range,
1304 tp_pio->ireg_local_offset, true);
1305 ch_tp_pio++;
1308 /* TP_MIB_INDEX */
1309 if (is_t5(padap->params.chip))
1310 n = sizeof(t5_tp_mib_index_array) /
1311 (IREG_NUM_ELEM * sizeof(u32));
1312 else if (is_t6(padap->params.chip))
1313 n = sizeof(t6_tp_mib_index_array) /
1314 (IREG_NUM_ELEM * sizeof(u32));
1316 for (i = 0; i < n ; i++) {
1317 struct ireg_field *tp_pio = &ch_tp_pio->tp_pio;
1318 u32 *buff = ch_tp_pio->outbuf;
1320 if (is_t5(padap->params.chip)) {
1321 tp_pio->ireg_addr = t5_tp_mib_index_array[i][0];
1322 tp_pio->ireg_data = t5_tp_mib_index_array[i][1];
1323 tp_pio->ireg_local_offset =
1324 t5_tp_mib_index_array[i][2];
1325 tp_pio->ireg_offset_range =
1326 t5_tp_mib_index_array[i][3];
1327 } else if (is_t6(padap->params.chip)) {
1328 tp_pio->ireg_addr = t6_tp_mib_index_array[i][0];
1329 tp_pio->ireg_data = t6_tp_mib_index_array[i][1];
1330 tp_pio->ireg_local_offset =
1331 t6_tp_mib_index_array[i][2];
1332 tp_pio->ireg_offset_range =
1333 t6_tp_mib_index_array[i][3];
1335 t4_tp_mib_read(padap, buff, tp_pio->ireg_offset_range,
1336 tp_pio->ireg_local_offset, true);
1337 ch_tp_pio++;
1339 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
1342 int cudbg_collect_sge_indirect(struct cudbg_init *pdbg_init,
1343 struct cudbg_buffer *dbg_buff,
1344 struct cudbg_error *cudbg_err)
1346 struct adapter *padap = pdbg_init->adap;
1347 struct cudbg_buffer temp_buff = { 0 };
1348 struct ireg_buf *ch_sge_dbg;
1349 int i, rc;
1351 rc = cudbg_get_buff(pdbg_init, dbg_buff, sizeof(*ch_sge_dbg) * 2,
1352 &temp_buff);
1353 if (rc)
1354 return rc;
1356 ch_sge_dbg = (struct ireg_buf *)temp_buff.data;
1357 for (i = 0; i < 2; i++) {
1358 struct ireg_field *sge_pio = &ch_sge_dbg->tp_pio;
1359 u32 *buff = ch_sge_dbg->outbuf;
1361 sge_pio->ireg_addr = t5_sge_dbg_index_array[i][0];
1362 sge_pio->ireg_data = t5_sge_dbg_index_array[i][1];
1363 sge_pio->ireg_local_offset = t5_sge_dbg_index_array[i][2];
1364 sge_pio->ireg_offset_range = t5_sge_dbg_index_array[i][3];
1365 t4_read_indirect(padap,
1366 sge_pio->ireg_addr,
1367 sge_pio->ireg_data,
1368 buff,
1369 sge_pio->ireg_offset_range,
1370 sge_pio->ireg_local_offset);
1371 ch_sge_dbg++;
1373 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
1376 int cudbg_collect_ulprx_la(struct cudbg_init *pdbg_init,
1377 struct cudbg_buffer *dbg_buff,
1378 struct cudbg_error *cudbg_err)
1380 struct adapter *padap = pdbg_init->adap;
1381 struct cudbg_buffer temp_buff = { 0 };
1382 struct cudbg_ulprx_la *ulprx_la_buff;
1383 int rc;
1385 rc = cudbg_get_buff(pdbg_init, dbg_buff, sizeof(struct cudbg_ulprx_la),
1386 &temp_buff);
1387 if (rc)
1388 return rc;
1390 ulprx_la_buff = (struct cudbg_ulprx_la *)temp_buff.data;
1391 t4_ulprx_read_la(padap, (u32 *)ulprx_la_buff->data);
1392 ulprx_la_buff->size = ULPRX_LA_SIZE;
1393 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
1396 int cudbg_collect_tp_la(struct cudbg_init *pdbg_init,
1397 struct cudbg_buffer *dbg_buff,
1398 struct cudbg_error *cudbg_err)
1400 struct adapter *padap = pdbg_init->adap;
1401 struct cudbg_buffer temp_buff = { 0 };
1402 struct cudbg_tp_la *tp_la_buff;
1403 int size, rc;
1405 size = sizeof(struct cudbg_tp_la) + TPLA_SIZE * sizeof(u64);
1406 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff);
1407 if (rc)
1408 return rc;
1410 tp_la_buff = (struct cudbg_tp_la *)temp_buff.data;
1411 tp_la_buff->mode = DBGLAMODE_G(t4_read_reg(padap, TP_DBG_LA_CONFIG_A));
1412 t4_tp_read_la(padap, (u64 *)tp_la_buff->data, NULL);
1413 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
1416 int cudbg_collect_meminfo(struct cudbg_init *pdbg_init,
1417 struct cudbg_buffer *dbg_buff,
1418 struct cudbg_error *cudbg_err)
1420 struct adapter *padap = pdbg_init->adap;
1421 struct cudbg_buffer temp_buff = { 0 };
1422 struct cudbg_meminfo *meminfo_buff;
1423 int rc;
1425 rc = cudbg_get_buff(pdbg_init, dbg_buff, sizeof(struct cudbg_meminfo),
1426 &temp_buff);
1427 if (rc)
1428 return rc;
1430 meminfo_buff = (struct cudbg_meminfo *)temp_buff.data;
1431 rc = cudbg_fill_meminfo(padap, meminfo_buff);
1432 if (rc) {
1433 cudbg_err->sys_err = rc;
1434 cudbg_put_buff(pdbg_init, &temp_buff);
1435 return rc;
1438 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
1441 int cudbg_collect_cim_pif_la(struct cudbg_init *pdbg_init,
1442 struct cudbg_buffer *dbg_buff,
1443 struct cudbg_error *cudbg_err)
1445 struct cudbg_cim_pif_la *cim_pif_la_buff;
1446 struct adapter *padap = pdbg_init->adap;
1447 struct cudbg_buffer temp_buff = { 0 };
1448 int size, rc;
1450 size = sizeof(struct cudbg_cim_pif_la) +
1451 2 * CIM_PIFLA_SIZE * 6 * sizeof(u32);
1452 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff);
1453 if (rc)
1454 return rc;
1456 cim_pif_la_buff = (struct cudbg_cim_pif_la *)temp_buff.data;
1457 cim_pif_la_buff->size = CIM_PIFLA_SIZE;
1458 t4_cim_read_pif_la(padap, (u32 *)cim_pif_la_buff->data,
1459 (u32 *)cim_pif_la_buff->data + 6 * CIM_PIFLA_SIZE,
1460 NULL, NULL);
1461 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
1464 int cudbg_collect_clk_info(struct cudbg_init *pdbg_init,
1465 struct cudbg_buffer *dbg_buff,
1466 struct cudbg_error *cudbg_err)
1468 struct adapter *padap = pdbg_init->adap;
1469 struct cudbg_buffer temp_buff = { 0 };
1470 struct cudbg_clk_info *clk_info_buff;
1471 u64 tp_tick_us;
1472 int rc;
1474 if (!padap->params.vpd.cclk)
1475 return CUDBG_STATUS_CCLK_NOT_DEFINED;
1477 rc = cudbg_get_buff(pdbg_init, dbg_buff, sizeof(struct cudbg_clk_info),
1478 &temp_buff);
1479 if (rc)
1480 return rc;
1482 clk_info_buff = (struct cudbg_clk_info *)temp_buff.data;
1483 clk_info_buff->cclk_ps = 1000000000 / padap->params.vpd.cclk; /* psec */
1484 clk_info_buff->res = t4_read_reg(padap, TP_TIMER_RESOLUTION_A);
1485 clk_info_buff->tre = TIMERRESOLUTION_G(clk_info_buff->res);
1486 clk_info_buff->dack_re = DELAYEDACKRESOLUTION_G(clk_info_buff->res);
1487 tp_tick_us = (clk_info_buff->cclk_ps << clk_info_buff->tre) / 1000000;
1489 clk_info_buff->dack_timer =
1490 (clk_info_buff->cclk_ps << clk_info_buff->dack_re) / 1000000 *
1491 t4_read_reg(padap, TP_DACK_TIMER_A);
1492 clk_info_buff->retransmit_min =
1493 tp_tick_us * t4_read_reg(padap, TP_RXT_MIN_A);
1494 clk_info_buff->retransmit_max =
1495 tp_tick_us * t4_read_reg(padap, TP_RXT_MAX_A);
1496 clk_info_buff->persist_timer_min =
1497 tp_tick_us * t4_read_reg(padap, TP_PERS_MIN_A);
1498 clk_info_buff->persist_timer_max =
1499 tp_tick_us * t4_read_reg(padap, TP_PERS_MAX_A);
1500 clk_info_buff->keepalive_idle_timer =
1501 tp_tick_us * t4_read_reg(padap, TP_KEEP_IDLE_A);
1502 clk_info_buff->keepalive_interval =
1503 tp_tick_us * t4_read_reg(padap, TP_KEEP_INTVL_A);
1504 clk_info_buff->initial_srtt =
1505 tp_tick_us * INITSRTT_G(t4_read_reg(padap, TP_INIT_SRTT_A));
1506 clk_info_buff->finwait2_timer =
1507 tp_tick_us * t4_read_reg(padap, TP_FINWAIT2_TIMER_A);
1509 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
1512 int cudbg_collect_pcie_indirect(struct cudbg_init *pdbg_init,
1513 struct cudbg_buffer *dbg_buff,
1514 struct cudbg_error *cudbg_err)
1516 struct adapter *padap = pdbg_init->adap;
1517 struct cudbg_buffer temp_buff = { 0 };
1518 struct ireg_buf *ch_pcie;
1519 int i, rc, n;
1520 u32 size;
1522 n = sizeof(t5_pcie_pdbg_array) / (IREG_NUM_ELEM * sizeof(u32));
1523 size = sizeof(struct ireg_buf) * n * 2;
1524 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff);
1525 if (rc)
1526 return rc;
1528 ch_pcie = (struct ireg_buf *)temp_buff.data;
1529 /* PCIE_PDBG */
1530 for (i = 0; i < n; i++) {
1531 struct ireg_field *pcie_pio = &ch_pcie->tp_pio;
1532 u32 *buff = ch_pcie->outbuf;
1534 pcie_pio->ireg_addr = t5_pcie_pdbg_array[i][0];
1535 pcie_pio->ireg_data = t5_pcie_pdbg_array[i][1];
1536 pcie_pio->ireg_local_offset = t5_pcie_pdbg_array[i][2];
1537 pcie_pio->ireg_offset_range = t5_pcie_pdbg_array[i][3];
1538 t4_read_indirect(padap,
1539 pcie_pio->ireg_addr,
1540 pcie_pio->ireg_data,
1541 buff,
1542 pcie_pio->ireg_offset_range,
1543 pcie_pio->ireg_local_offset);
1544 ch_pcie++;
1547 /* PCIE_CDBG */
1548 n = sizeof(t5_pcie_cdbg_array) / (IREG_NUM_ELEM * sizeof(u32));
1549 for (i = 0; i < n; i++) {
1550 struct ireg_field *pcie_pio = &ch_pcie->tp_pio;
1551 u32 *buff = ch_pcie->outbuf;
1553 pcie_pio->ireg_addr = t5_pcie_cdbg_array[i][0];
1554 pcie_pio->ireg_data = t5_pcie_cdbg_array[i][1];
1555 pcie_pio->ireg_local_offset = t5_pcie_cdbg_array[i][2];
1556 pcie_pio->ireg_offset_range = t5_pcie_cdbg_array[i][3];
1557 t4_read_indirect(padap,
1558 pcie_pio->ireg_addr,
1559 pcie_pio->ireg_data,
1560 buff,
1561 pcie_pio->ireg_offset_range,
1562 pcie_pio->ireg_local_offset);
1563 ch_pcie++;
1565 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
1568 int cudbg_collect_pm_indirect(struct cudbg_init *pdbg_init,
1569 struct cudbg_buffer *dbg_buff,
1570 struct cudbg_error *cudbg_err)
1572 struct adapter *padap = pdbg_init->adap;
1573 struct cudbg_buffer temp_buff = { 0 };
1574 struct ireg_buf *ch_pm;
1575 int i, rc, n;
1576 u32 size;
1578 n = sizeof(t5_pm_rx_array) / (IREG_NUM_ELEM * sizeof(u32));
1579 size = sizeof(struct ireg_buf) * n * 2;
1580 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff);
1581 if (rc)
1582 return rc;
1584 ch_pm = (struct ireg_buf *)temp_buff.data;
1585 /* PM_RX */
1586 for (i = 0; i < n; i++) {
1587 struct ireg_field *pm_pio = &ch_pm->tp_pio;
1588 u32 *buff = ch_pm->outbuf;
1590 pm_pio->ireg_addr = t5_pm_rx_array[i][0];
1591 pm_pio->ireg_data = t5_pm_rx_array[i][1];
1592 pm_pio->ireg_local_offset = t5_pm_rx_array[i][2];
1593 pm_pio->ireg_offset_range = t5_pm_rx_array[i][3];
1594 t4_read_indirect(padap,
1595 pm_pio->ireg_addr,
1596 pm_pio->ireg_data,
1597 buff,
1598 pm_pio->ireg_offset_range,
1599 pm_pio->ireg_local_offset);
1600 ch_pm++;
1603 /* PM_TX */
1604 n = sizeof(t5_pm_tx_array) / (IREG_NUM_ELEM * sizeof(u32));
1605 for (i = 0; i < n; i++) {
1606 struct ireg_field *pm_pio = &ch_pm->tp_pio;
1607 u32 *buff = ch_pm->outbuf;
1609 pm_pio->ireg_addr = t5_pm_tx_array[i][0];
1610 pm_pio->ireg_data = t5_pm_tx_array[i][1];
1611 pm_pio->ireg_local_offset = t5_pm_tx_array[i][2];
1612 pm_pio->ireg_offset_range = t5_pm_tx_array[i][3];
1613 t4_read_indirect(padap,
1614 pm_pio->ireg_addr,
1615 pm_pio->ireg_data,
1616 buff,
1617 pm_pio->ireg_offset_range,
1618 pm_pio->ireg_local_offset);
1619 ch_pm++;
1621 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
1624 int cudbg_collect_tid(struct cudbg_init *pdbg_init,
1625 struct cudbg_buffer *dbg_buff,
1626 struct cudbg_error *cudbg_err)
1628 struct adapter *padap = pdbg_init->adap;
1629 struct cudbg_tid_info_region_rev1 *tid1;
1630 struct cudbg_buffer temp_buff = { 0 };
1631 struct cudbg_tid_info_region *tid;
1632 u32 para[2], val[2];
1633 int rc;
1635 rc = cudbg_get_buff(pdbg_init, dbg_buff,
1636 sizeof(struct cudbg_tid_info_region_rev1),
1637 &temp_buff);
1638 if (rc)
1639 return rc;
1641 tid1 = (struct cudbg_tid_info_region_rev1 *)temp_buff.data;
1642 tid = &tid1->tid;
1643 tid1->ver_hdr.signature = CUDBG_ENTITY_SIGNATURE;
1644 tid1->ver_hdr.revision = CUDBG_TID_INFO_REV;
1645 tid1->ver_hdr.size = sizeof(struct cudbg_tid_info_region_rev1) -
1646 sizeof(struct cudbg_ver_hdr);
1648 /* If firmware is not attached/alive, use backdoor register
1649 * access to collect dump.
1651 if (!is_fw_attached(pdbg_init))
1652 goto fill_tid;
1654 #define FW_PARAM_PFVF_A(param) \
1655 (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_PFVF) | \
1656 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_PFVF_##param) | \
1657 FW_PARAMS_PARAM_Y_V(0) | \
1658 FW_PARAMS_PARAM_Z_V(0))
1660 para[0] = FW_PARAM_PFVF_A(ETHOFLD_START);
1661 para[1] = FW_PARAM_PFVF_A(ETHOFLD_END);
1662 rc = t4_query_params(padap, padap->mbox, padap->pf, 0, 2, para, val);
1663 if (rc < 0) {
1664 cudbg_err->sys_err = rc;
1665 cudbg_put_buff(pdbg_init, &temp_buff);
1666 return rc;
1668 tid->uotid_base = val[0];
1669 tid->nuotids = val[1] - val[0] + 1;
1671 if (is_t5(padap->params.chip)) {
1672 tid->sb = t4_read_reg(padap, LE_DB_SERVER_INDEX_A) / 4;
1673 } else if (is_t6(padap->params.chip)) {
1674 tid1->tid_start =
1675 t4_read_reg(padap, LE_DB_ACTIVE_TABLE_START_INDEX_A);
1676 tid->sb = t4_read_reg(padap, LE_DB_SRVR_START_INDEX_A);
1678 para[0] = FW_PARAM_PFVF_A(HPFILTER_START);
1679 para[1] = FW_PARAM_PFVF_A(HPFILTER_END);
1680 rc = t4_query_params(padap, padap->mbox, padap->pf, 0, 2,
1681 para, val);
1682 if (rc < 0) {
1683 cudbg_err->sys_err = rc;
1684 cudbg_put_buff(pdbg_init, &temp_buff);
1685 return rc;
1687 tid->hpftid_base = val[0];
1688 tid->nhpftids = val[1] - val[0] + 1;
1691 #undef FW_PARAM_PFVF_A
1693 fill_tid:
1694 tid->ntids = padap->tids.ntids;
1695 tid->nstids = padap->tids.nstids;
1696 tid->stid_base = padap->tids.stid_base;
1697 tid->hash_base = padap->tids.hash_base;
1699 tid->natids = padap->tids.natids;
1700 tid->nftids = padap->tids.nftids;
1701 tid->ftid_base = padap->tids.ftid_base;
1702 tid->aftid_base = padap->tids.aftid_base;
1703 tid->aftid_end = padap->tids.aftid_end;
1705 tid->sftid_base = padap->tids.sftid_base;
1706 tid->nsftids = padap->tids.nsftids;
1708 tid->flags = padap->flags;
1709 tid->le_db_conf = t4_read_reg(padap, LE_DB_CONFIG_A);
1710 tid->ip_users = t4_read_reg(padap, LE_DB_ACT_CNT_IPV4_A);
1711 tid->ipv6_users = t4_read_reg(padap, LE_DB_ACT_CNT_IPV6_A);
1713 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
1716 int cudbg_collect_pcie_config(struct cudbg_init *pdbg_init,
1717 struct cudbg_buffer *dbg_buff,
1718 struct cudbg_error *cudbg_err)
1720 struct adapter *padap = pdbg_init->adap;
1721 struct cudbg_buffer temp_buff = { 0 };
1722 u32 size, *value, j;
1723 int i, rc, n;
1725 size = sizeof(u32) * CUDBG_NUM_PCIE_CONFIG_REGS;
1726 n = sizeof(t5_pcie_config_array) / (2 * sizeof(u32));
1727 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff);
1728 if (rc)
1729 return rc;
1731 value = (u32 *)temp_buff.data;
1732 for (i = 0; i < n; i++) {
1733 for (j = t5_pcie_config_array[i][0];
1734 j <= t5_pcie_config_array[i][1]; j += 4) {
1735 t4_hw_pci_read_cfg4(padap, j, value);
1736 value++;
1739 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
1742 static int cudbg_sge_ctxt_check_valid(u32 *buf, int type)
1744 int index, bit, bit_pos = 0;
1746 switch (type) {
1747 case CTXT_EGRESS:
1748 bit_pos = 176;
1749 break;
1750 case CTXT_INGRESS:
1751 bit_pos = 141;
1752 break;
1753 case CTXT_FLM:
1754 bit_pos = 89;
1755 break;
1757 index = bit_pos / 32;
1758 bit = bit_pos % 32;
1759 return buf[index] & (1U << bit);
1762 static int cudbg_get_ctxt_region_info(struct adapter *padap,
1763 struct cudbg_region_info *ctx_info,
1764 u8 *mem_type)
1766 struct cudbg_mem_desc mem_desc;
1767 struct cudbg_meminfo meminfo;
1768 u32 i, j, value, found;
1769 u8 flq;
1770 int rc;
1772 rc = cudbg_fill_meminfo(padap, &meminfo);
1773 if (rc)
1774 return rc;
1776 /* Get EGRESS and INGRESS context region size */
1777 for (i = CTXT_EGRESS; i <= CTXT_INGRESS; i++) {
1778 found = 0;
1779 memset(&mem_desc, 0, sizeof(struct cudbg_mem_desc));
1780 for (j = 0; j < ARRAY_SIZE(meminfo.avail); j++) {
1781 rc = cudbg_get_mem_region(padap, &meminfo, j,
1782 cudbg_region[i],
1783 &mem_desc);
1784 if (!rc) {
1785 found = 1;
1786 rc = cudbg_get_mem_relative(padap, &meminfo, j,
1787 &mem_desc.base,
1788 &mem_desc.limit);
1789 if (rc) {
1790 ctx_info[i].exist = false;
1791 break;
1793 ctx_info[i].exist = true;
1794 ctx_info[i].start = mem_desc.base;
1795 ctx_info[i].end = mem_desc.limit;
1796 mem_type[i] = j;
1797 break;
1800 if (!found)
1801 ctx_info[i].exist = false;
1804 /* Get FLM and CNM max qid. */
1805 value = t4_read_reg(padap, SGE_FLM_CFG_A);
1807 /* Get number of data freelist queues */
1808 flq = HDRSTARTFLQ_G(value);
1809 ctx_info[CTXT_FLM].exist = true;
1810 ctx_info[CTXT_FLM].end = (CUDBG_MAX_FL_QIDS >> flq) * SGE_CTXT_SIZE;
1812 /* The number of CONM contexts are same as number of freelist
1813 * queues.
1815 ctx_info[CTXT_CNM].exist = true;
1816 ctx_info[CTXT_CNM].end = ctx_info[CTXT_FLM].end;
1818 return 0;
1821 int cudbg_dump_context_size(struct adapter *padap)
1823 struct cudbg_region_info region_info[CTXT_CNM + 1] = { {0} };
1824 u8 mem_type[CTXT_INGRESS + 1] = { 0 };
1825 u32 i, size = 0;
1826 int rc;
1828 /* Get max valid qid for each type of queue */
1829 rc = cudbg_get_ctxt_region_info(padap, region_info, mem_type);
1830 if (rc)
1831 return rc;
1833 for (i = 0; i < CTXT_CNM; i++) {
1834 if (!region_info[i].exist) {
1835 if (i == CTXT_EGRESS || i == CTXT_INGRESS)
1836 size += CUDBG_LOWMEM_MAX_CTXT_QIDS *
1837 SGE_CTXT_SIZE;
1838 continue;
1841 size += (region_info[i].end - region_info[i].start + 1) /
1842 SGE_CTXT_SIZE;
1844 return size * sizeof(struct cudbg_ch_cntxt);
1847 static void cudbg_read_sge_ctxt(struct cudbg_init *pdbg_init, u32 cid,
1848 enum ctxt_type ctype, u32 *data)
1850 struct adapter *padap = pdbg_init->adap;
1851 int rc = -1;
1853 /* Under heavy traffic, the SGE Queue contexts registers will be
1854 * frequently accessed by firmware.
1856 * To avoid conflicts with firmware, always ask firmware to fetch
1857 * the SGE Queue contexts via mailbox. On failure, fallback to
1858 * accessing hardware registers directly.
1860 if (is_fw_attached(pdbg_init))
1861 rc = t4_sge_ctxt_rd(padap, padap->mbox, cid, ctype, data);
1862 if (rc)
1863 t4_sge_ctxt_rd_bd(padap, cid, ctype, data);
1866 static void cudbg_get_sge_ctxt_fw(struct cudbg_init *pdbg_init, u32 max_qid,
1867 u8 ctxt_type,
1868 struct cudbg_ch_cntxt **out_buff)
1870 struct cudbg_ch_cntxt *buff = *out_buff;
1871 int rc;
1872 u32 j;
1874 for (j = 0; j < max_qid; j++) {
1875 cudbg_read_sge_ctxt(pdbg_init, j, ctxt_type, buff->data);
1876 rc = cudbg_sge_ctxt_check_valid(buff->data, ctxt_type);
1877 if (!rc)
1878 continue;
1880 buff->cntxt_type = ctxt_type;
1881 buff->cntxt_id = j;
1882 buff++;
1883 if (ctxt_type == CTXT_FLM) {
1884 cudbg_read_sge_ctxt(pdbg_init, j, CTXT_CNM, buff->data);
1885 buff->cntxt_type = CTXT_CNM;
1886 buff->cntxt_id = j;
1887 buff++;
1891 *out_buff = buff;
1894 int cudbg_collect_dump_context(struct cudbg_init *pdbg_init,
1895 struct cudbg_buffer *dbg_buff,
1896 struct cudbg_error *cudbg_err)
1898 struct cudbg_region_info region_info[CTXT_CNM + 1] = { {0} };
1899 struct adapter *padap = pdbg_init->adap;
1900 u32 j, size, max_ctx_size, max_ctx_qid;
1901 u8 mem_type[CTXT_INGRESS + 1] = { 0 };
1902 struct cudbg_buffer temp_buff = { 0 };
1903 struct cudbg_ch_cntxt *buff;
1904 u64 *dst_off, *src_off;
1905 u8 *ctx_buf;
1906 u8 i, k;
1907 int rc;
1909 /* Get max valid qid for each type of queue */
1910 rc = cudbg_get_ctxt_region_info(padap, region_info, mem_type);
1911 if (rc)
1912 return rc;
1914 rc = cudbg_dump_context_size(padap);
1915 if (rc <= 0)
1916 return CUDBG_STATUS_ENTITY_NOT_FOUND;
1918 size = rc;
1919 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff);
1920 if (rc)
1921 return rc;
1923 /* Get buffer with enough space to read the biggest context
1924 * region in memory.
1926 max_ctx_size = max(region_info[CTXT_EGRESS].end -
1927 region_info[CTXT_EGRESS].start + 1,
1928 region_info[CTXT_INGRESS].end -
1929 region_info[CTXT_INGRESS].start + 1);
1931 ctx_buf = kvzalloc(max_ctx_size, GFP_KERNEL);
1932 if (!ctx_buf) {
1933 cudbg_put_buff(pdbg_init, &temp_buff);
1934 return -ENOMEM;
1937 buff = (struct cudbg_ch_cntxt *)temp_buff.data;
1939 /* Collect EGRESS and INGRESS context data.
1940 * In case of failures, fallback to collecting via FW or
1941 * backdoor access.
1943 for (i = CTXT_EGRESS; i <= CTXT_INGRESS; i++) {
1944 if (!region_info[i].exist) {
1945 max_ctx_qid = CUDBG_LOWMEM_MAX_CTXT_QIDS;
1946 cudbg_get_sge_ctxt_fw(pdbg_init, max_ctx_qid, i,
1947 &buff);
1948 continue;
1951 max_ctx_size = region_info[i].end - region_info[i].start + 1;
1952 max_ctx_qid = max_ctx_size / SGE_CTXT_SIZE;
1954 /* If firmware is not attached/alive, use backdoor register
1955 * access to collect dump.
1957 if (is_fw_attached(pdbg_init)) {
1958 t4_sge_ctxt_flush(padap, padap->mbox, i);
1960 rc = t4_memory_rw(padap, MEMWIN_NIC, mem_type[i],
1961 region_info[i].start, max_ctx_size,
1962 (__be32 *)ctx_buf, 1);
1965 if (rc || !is_fw_attached(pdbg_init)) {
1966 max_ctx_qid = CUDBG_LOWMEM_MAX_CTXT_QIDS;
1967 cudbg_get_sge_ctxt_fw(pdbg_init, max_ctx_qid, i,
1968 &buff);
1969 continue;
1972 for (j = 0; j < max_ctx_qid; j++) {
1973 src_off = (u64 *)(ctx_buf + j * SGE_CTXT_SIZE);
1974 dst_off = (u64 *)buff->data;
1976 /* The data is stored in 64-bit cpu order. Convert it
1977 * to big endian before parsing.
1979 for (k = 0; k < SGE_CTXT_SIZE / sizeof(u64); k++)
1980 dst_off[k] = cpu_to_be64(src_off[k]);
1982 rc = cudbg_sge_ctxt_check_valid(buff->data, i);
1983 if (!rc)
1984 continue;
1986 buff->cntxt_type = i;
1987 buff->cntxt_id = j;
1988 buff++;
1992 kvfree(ctx_buf);
1994 /* Collect FREELIST and CONGESTION MANAGER contexts */
1995 max_ctx_size = region_info[CTXT_FLM].end -
1996 region_info[CTXT_FLM].start + 1;
1997 max_ctx_qid = max_ctx_size / SGE_CTXT_SIZE;
1998 /* Since FLM and CONM are 1-to-1 mapped, the below function
1999 * will fetch both FLM and CONM contexts.
2001 cudbg_get_sge_ctxt_fw(pdbg_init, max_ctx_qid, CTXT_FLM, &buff);
2003 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
2006 static inline void cudbg_tcamxy2valmask(u64 x, u64 y, u8 *addr, u64 *mask)
2008 *mask = x | y;
2009 y = (__force u64)cpu_to_be64(y);
2010 memcpy(addr, (char *)&y + 2, ETH_ALEN);
2013 static void cudbg_mps_rpl_backdoor(struct adapter *padap,
2014 struct fw_ldst_mps_rplc *mps_rplc)
2016 if (is_t5(padap->params.chip)) {
2017 mps_rplc->rplc255_224 = htonl(t4_read_reg(padap,
2018 MPS_VF_RPLCT_MAP3_A));
2019 mps_rplc->rplc223_192 = htonl(t4_read_reg(padap,
2020 MPS_VF_RPLCT_MAP2_A));
2021 mps_rplc->rplc191_160 = htonl(t4_read_reg(padap,
2022 MPS_VF_RPLCT_MAP1_A));
2023 mps_rplc->rplc159_128 = htonl(t4_read_reg(padap,
2024 MPS_VF_RPLCT_MAP0_A));
2025 } else {
2026 mps_rplc->rplc255_224 = htonl(t4_read_reg(padap,
2027 MPS_VF_RPLCT_MAP7_A));
2028 mps_rplc->rplc223_192 = htonl(t4_read_reg(padap,
2029 MPS_VF_RPLCT_MAP6_A));
2030 mps_rplc->rplc191_160 = htonl(t4_read_reg(padap,
2031 MPS_VF_RPLCT_MAP5_A));
2032 mps_rplc->rplc159_128 = htonl(t4_read_reg(padap,
2033 MPS_VF_RPLCT_MAP4_A));
2035 mps_rplc->rplc127_96 = htonl(t4_read_reg(padap, MPS_VF_RPLCT_MAP3_A));
2036 mps_rplc->rplc95_64 = htonl(t4_read_reg(padap, MPS_VF_RPLCT_MAP2_A));
2037 mps_rplc->rplc63_32 = htonl(t4_read_reg(padap, MPS_VF_RPLCT_MAP1_A));
2038 mps_rplc->rplc31_0 = htonl(t4_read_reg(padap, MPS_VF_RPLCT_MAP0_A));
2041 static int cudbg_collect_tcam_index(struct cudbg_init *pdbg_init,
2042 struct cudbg_mps_tcam *tcam, u32 idx)
2044 struct adapter *padap = pdbg_init->adap;
2045 u64 tcamy, tcamx, val;
2046 u32 ctl, data2;
2047 int rc = 0;
2049 if (CHELSIO_CHIP_VERSION(padap->params.chip) >= CHELSIO_T6) {
2050 /* CtlReqID - 1: use Host Driver Requester ID
2051 * CtlCmdType - 0: Read, 1: Write
2052 * CtlTcamSel - 0: TCAM0, 1: TCAM1
2053 * CtlXYBitSel- 0: Y bit, 1: X bit
2056 /* Read tcamy */
2057 ctl = CTLREQID_V(1) | CTLCMDTYPE_V(0) | CTLXYBITSEL_V(0);
2058 if (idx < 256)
2059 ctl |= CTLTCAMINDEX_V(idx) | CTLTCAMSEL_V(0);
2060 else
2061 ctl |= CTLTCAMINDEX_V(idx - 256) | CTLTCAMSEL_V(1);
2063 t4_write_reg(padap, MPS_CLS_TCAM_DATA2_CTL_A, ctl);
2064 val = t4_read_reg(padap, MPS_CLS_TCAM_RDATA1_REQ_ID1_A);
2065 tcamy = DMACH_G(val) << 32;
2066 tcamy |= t4_read_reg(padap, MPS_CLS_TCAM_RDATA0_REQ_ID1_A);
2067 data2 = t4_read_reg(padap, MPS_CLS_TCAM_RDATA2_REQ_ID1_A);
2068 tcam->lookup_type = DATALKPTYPE_G(data2);
2070 /* 0 - Outer header, 1 - Inner header
2071 * [71:48] bit locations are overloaded for
2072 * outer vs. inner lookup types.
2074 if (tcam->lookup_type && tcam->lookup_type != DATALKPTYPE_M) {
2075 /* Inner header VNI */
2076 tcam->vniy = (data2 & DATAVIDH2_F) | DATAVIDH1_G(data2);
2077 tcam->vniy = (tcam->vniy << 16) | VIDL_G(val);
2078 tcam->dip_hit = data2 & DATADIPHIT_F;
2079 } else {
2080 tcam->vlan_vld = data2 & DATAVIDH2_F;
2081 tcam->ivlan = VIDL_G(val);
2084 tcam->port_num = DATAPORTNUM_G(data2);
2086 /* Read tcamx. Change the control param */
2087 ctl |= CTLXYBITSEL_V(1);
2088 t4_write_reg(padap, MPS_CLS_TCAM_DATA2_CTL_A, ctl);
2089 val = t4_read_reg(padap, MPS_CLS_TCAM_RDATA1_REQ_ID1_A);
2090 tcamx = DMACH_G(val) << 32;
2091 tcamx |= t4_read_reg(padap, MPS_CLS_TCAM_RDATA0_REQ_ID1_A);
2092 data2 = t4_read_reg(padap, MPS_CLS_TCAM_RDATA2_REQ_ID1_A);
2093 if (tcam->lookup_type && tcam->lookup_type != DATALKPTYPE_M) {
2094 /* Inner header VNI mask */
2095 tcam->vnix = (data2 & DATAVIDH2_F) | DATAVIDH1_G(data2);
2096 tcam->vnix = (tcam->vnix << 16) | VIDL_G(val);
2098 } else {
2099 tcamy = t4_read_reg64(padap, MPS_CLS_TCAM_Y_L(idx));
2100 tcamx = t4_read_reg64(padap, MPS_CLS_TCAM_X_L(idx));
2103 /* If no entry, return */
2104 if (tcamx & tcamy)
2105 return rc;
2107 tcam->cls_lo = t4_read_reg(padap, MPS_CLS_SRAM_L(idx));
2108 tcam->cls_hi = t4_read_reg(padap, MPS_CLS_SRAM_H(idx));
2110 if (is_t5(padap->params.chip))
2111 tcam->repli = (tcam->cls_lo & REPLICATE_F);
2112 else if (is_t6(padap->params.chip))
2113 tcam->repli = (tcam->cls_lo & T6_REPLICATE_F);
2115 if (tcam->repli) {
2116 struct fw_ldst_cmd ldst_cmd;
2117 struct fw_ldst_mps_rplc mps_rplc;
2119 memset(&ldst_cmd, 0, sizeof(ldst_cmd));
2120 ldst_cmd.op_to_addrspace =
2121 htonl(FW_CMD_OP_V(FW_LDST_CMD) |
2122 FW_CMD_REQUEST_F | FW_CMD_READ_F |
2123 FW_LDST_CMD_ADDRSPACE_V(FW_LDST_ADDRSPC_MPS));
2124 ldst_cmd.cycles_to_len16 = htonl(FW_LEN16(ldst_cmd));
2125 ldst_cmd.u.mps.rplc.fid_idx =
2126 htons(FW_LDST_CMD_FID_V(FW_LDST_MPS_RPLC) |
2127 FW_LDST_CMD_IDX_V(idx));
2129 /* If firmware is not attached/alive, use backdoor register
2130 * access to collect dump.
2132 if (is_fw_attached(pdbg_init))
2133 rc = t4_wr_mbox(padap, padap->mbox, &ldst_cmd,
2134 sizeof(ldst_cmd), &ldst_cmd);
2136 if (rc || !is_fw_attached(pdbg_init)) {
2137 cudbg_mps_rpl_backdoor(padap, &mps_rplc);
2138 /* Ignore error since we collected directly from
2139 * reading registers.
2141 rc = 0;
2142 } else {
2143 mps_rplc = ldst_cmd.u.mps.rplc;
2146 tcam->rplc[0] = ntohl(mps_rplc.rplc31_0);
2147 tcam->rplc[1] = ntohl(mps_rplc.rplc63_32);
2148 tcam->rplc[2] = ntohl(mps_rplc.rplc95_64);
2149 tcam->rplc[3] = ntohl(mps_rplc.rplc127_96);
2150 if (padap->params.arch.mps_rplc_size > CUDBG_MAX_RPLC_SIZE) {
2151 tcam->rplc[4] = ntohl(mps_rplc.rplc159_128);
2152 tcam->rplc[5] = ntohl(mps_rplc.rplc191_160);
2153 tcam->rplc[6] = ntohl(mps_rplc.rplc223_192);
2154 tcam->rplc[7] = ntohl(mps_rplc.rplc255_224);
2157 cudbg_tcamxy2valmask(tcamx, tcamy, tcam->addr, &tcam->mask);
2158 tcam->idx = idx;
2159 tcam->rplc_size = padap->params.arch.mps_rplc_size;
2160 return rc;
2163 int cudbg_collect_mps_tcam(struct cudbg_init *pdbg_init,
2164 struct cudbg_buffer *dbg_buff,
2165 struct cudbg_error *cudbg_err)
2167 struct adapter *padap = pdbg_init->adap;
2168 struct cudbg_buffer temp_buff = { 0 };
2169 u32 size = 0, i, n, total_size = 0;
2170 struct cudbg_mps_tcam *tcam;
2171 int rc;
2173 n = padap->params.arch.mps_tcam_size;
2174 size = sizeof(struct cudbg_mps_tcam) * n;
2175 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff);
2176 if (rc)
2177 return rc;
2179 tcam = (struct cudbg_mps_tcam *)temp_buff.data;
2180 for (i = 0; i < n; i++) {
2181 rc = cudbg_collect_tcam_index(pdbg_init, tcam, i);
2182 if (rc) {
2183 cudbg_err->sys_err = rc;
2184 cudbg_put_buff(pdbg_init, &temp_buff);
2185 return rc;
2187 total_size += sizeof(struct cudbg_mps_tcam);
2188 tcam++;
2191 if (!total_size) {
2192 rc = CUDBG_SYSTEM_ERROR;
2193 cudbg_err->sys_err = rc;
2194 cudbg_put_buff(pdbg_init, &temp_buff);
2195 return rc;
2197 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
2200 int cudbg_collect_vpd_data(struct cudbg_init *pdbg_init,
2201 struct cudbg_buffer *dbg_buff,
2202 struct cudbg_error *cudbg_err)
2204 struct adapter *padap = pdbg_init->adap;
2205 struct cudbg_buffer temp_buff = { 0 };
2206 char vpd_str[CUDBG_VPD_VER_LEN + 1];
2207 u32 scfg_vers, vpd_vers, fw_vers;
2208 struct cudbg_vpd_data *vpd_data;
2209 struct vpd_params vpd = { 0 };
2210 int rc, ret;
2212 rc = t4_get_raw_vpd_params(padap, &vpd);
2213 if (rc)
2214 return rc;
2216 rc = t4_get_fw_version(padap, &fw_vers);
2217 if (rc)
2218 return rc;
2220 /* Serial Configuration Version is located beyond the PF's vpd size.
2221 * Temporarily give access to entire EEPROM to get it.
2223 rc = pci_set_vpd_size(padap->pdev, EEPROMVSIZE);
2224 if (rc < 0)
2225 return rc;
2227 ret = cudbg_read_vpd_reg(padap, CUDBG_SCFG_VER_ADDR, CUDBG_SCFG_VER_LEN,
2228 &scfg_vers);
2230 /* Restore back to original PF's vpd size */
2231 rc = pci_set_vpd_size(padap->pdev, CUDBG_VPD_PF_SIZE);
2232 if (rc < 0)
2233 return rc;
2235 if (ret)
2236 return ret;
2238 rc = cudbg_read_vpd_reg(padap, CUDBG_VPD_VER_ADDR, CUDBG_VPD_VER_LEN,
2239 vpd_str);
2240 if (rc)
2241 return rc;
2243 vpd_str[CUDBG_VPD_VER_LEN] = '\0';
2244 rc = kstrtouint(vpd_str, 0, &vpd_vers);
2245 if (rc)
2246 return rc;
2248 rc = cudbg_get_buff(pdbg_init, dbg_buff, sizeof(struct cudbg_vpd_data),
2249 &temp_buff);
2250 if (rc)
2251 return rc;
2253 vpd_data = (struct cudbg_vpd_data *)temp_buff.data;
2254 memcpy(vpd_data->sn, vpd.sn, SERNUM_LEN + 1);
2255 memcpy(vpd_data->bn, vpd.pn, PN_LEN + 1);
2256 memcpy(vpd_data->na, vpd.na, MACADDR_LEN + 1);
2257 memcpy(vpd_data->mn, vpd.id, ID_LEN + 1);
2258 vpd_data->scfg_vers = scfg_vers;
2259 vpd_data->vpd_vers = vpd_vers;
2260 vpd_data->fw_major = FW_HDR_FW_VER_MAJOR_G(fw_vers);
2261 vpd_data->fw_minor = FW_HDR_FW_VER_MINOR_G(fw_vers);
2262 vpd_data->fw_micro = FW_HDR_FW_VER_MICRO_G(fw_vers);
2263 vpd_data->fw_build = FW_HDR_FW_VER_BUILD_G(fw_vers);
2264 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
2267 static int cudbg_read_tid(struct cudbg_init *pdbg_init, u32 tid,
2268 struct cudbg_tid_data *tid_data)
2270 struct adapter *padap = pdbg_init->adap;
2271 int i, cmd_retry = 8;
2272 u32 val;
2274 /* Fill REQ_DATA regs with 0's */
2275 for (i = 0; i < NUM_LE_DB_DBGI_REQ_DATA_INSTANCES; i++)
2276 t4_write_reg(padap, LE_DB_DBGI_REQ_DATA_A + (i << 2), 0);
2278 /* Write DBIG command */
2279 val = DBGICMD_V(4) | DBGITID_V(tid);
2280 t4_write_reg(padap, LE_DB_DBGI_REQ_TCAM_CMD_A, val);
2281 tid_data->dbig_cmd = val;
2283 val = DBGICMDSTRT_F | DBGICMDMODE_V(1); /* LE mode */
2284 t4_write_reg(padap, LE_DB_DBGI_CONFIG_A, val);
2285 tid_data->dbig_conf = val;
2287 /* Poll the DBGICMDBUSY bit */
2288 val = 1;
2289 while (val) {
2290 val = t4_read_reg(padap, LE_DB_DBGI_CONFIG_A);
2291 val = val & DBGICMDBUSY_F;
2292 cmd_retry--;
2293 if (!cmd_retry)
2294 return CUDBG_SYSTEM_ERROR;
2297 /* Check RESP status */
2298 val = t4_read_reg(padap, LE_DB_DBGI_RSP_STATUS_A);
2299 tid_data->dbig_rsp_stat = val;
2300 if (!(val & 1))
2301 return CUDBG_SYSTEM_ERROR;
2303 /* Read RESP data */
2304 for (i = 0; i < NUM_LE_DB_DBGI_RSP_DATA_INSTANCES; i++)
2305 tid_data->data[i] = t4_read_reg(padap,
2306 LE_DB_DBGI_RSP_DATA_A +
2307 (i << 2));
2308 tid_data->tid = tid;
2309 return 0;
2312 static int cudbg_get_le_type(u32 tid, struct cudbg_tcam tcam_region)
2314 int type = LE_ET_UNKNOWN;
2316 if (tid < tcam_region.server_start)
2317 type = LE_ET_TCAM_CON;
2318 else if (tid < tcam_region.filter_start)
2319 type = LE_ET_TCAM_SERVER;
2320 else if (tid < tcam_region.clip_start)
2321 type = LE_ET_TCAM_FILTER;
2322 else if (tid < tcam_region.routing_start)
2323 type = LE_ET_TCAM_CLIP;
2324 else if (tid < tcam_region.tid_hash_base)
2325 type = LE_ET_TCAM_ROUTING;
2326 else if (tid < tcam_region.max_tid)
2327 type = LE_ET_HASH_CON;
2328 else
2329 type = LE_ET_INVALID_TID;
2331 return type;
2334 static int cudbg_is_ipv6_entry(struct cudbg_tid_data *tid_data,
2335 struct cudbg_tcam tcam_region)
2337 int ipv6 = 0;
2338 int le_type;
2340 le_type = cudbg_get_le_type(tid_data->tid, tcam_region);
2341 if (tid_data->tid & 1)
2342 return 0;
2344 if (le_type == LE_ET_HASH_CON) {
2345 ipv6 = tid_data->data[16] & 0x8000;
2346 } else if (le_type == LE_ET_TCAM_CON) {
2347 ipv6 = tid_data->data[16] & 0x8000;
2348 if (ipv6)
2349 ipv6 = tid_data->data[9] == 0x00C00000;
2350 } else {
2351 ipv6 = 0;
2353 return ipv6;
2356 void cudbg_fill_le_tcam_info(struct adapter *padap,
2357 struct cudbg_tcam *tcam_region)
2359 u32 value;
2361 /* Get the LE regions */
2362 value = t4_read_reg(padap, LE_DB_TID_HASHBASE_A); /* hash base index */
2363 tcam_region->tid_hash_base = value;
2365 /* Get routing table index */
2366 value = t4_read_reg(padap, LE_DB_ROUTING_TABLE_INDEX_A);
2367 tcam_region->routing_start = value;
2369 /*Get clip table index */
2370 value = t4_read_reg(padap, LE_DB_CLIP_TABLE_INDEX_A);
2371 tcam_region->clip_start = value;
2373 /* Get filter table index */
2374 value = t4_read_reg(padap, LE_DB_FILTER_TABLE_INDEX_A);
2375 tcam_region->filter_start = value;
2377 /* Get server table index */
2378 value = t4_read_reg(padap, LE_DB_SERVER_INDEX_A);
2379 tcam_region->server_start = value;
2381 /* Check whether hash is enabled and calculate the max tids */
2382 value = t4_read_reg(padap, LE_DB_CONFIG_A);
2383 if ((value >> HASHEN_S) & 1) {
2384 value = t4_read_reg(padap, LE_DB_HASH_CONFIG_A);
2385 if (CHELSIO_CHIP_VERSION(padap->params.chip) > CHELSIO_T5) {
2386 tcam_region->max_tid = (value & 0xFFFFF) +
2387 tcam_region->tid_hash_base;
2388 } else {
2389 value = HASHTIDSIZE_G(value);
2390 value = 1 << value;
2391 tcam_region->max_tid = value +
2392 tcam_region->tid_hash_base;
2394 } else { /* hash not enabled */
2395 tcam_region->max_tid = CUDBG_MAX_TCAM_TID;
2399 int cudbg_collect_le_tcam(struct cudbg_init *pdbg_init,
2400 struct cudbg_buffer *dbg_buff,
2401 struct cudbg_error *cudbg_err)
2403 struct adapter *padap = pdbg_init->adap;
2404 struct cudbg_buffer temp_buff = { 0 };
2405 struct cudbg_tcam tcam_region = { 0 };
2406 struct cudbg_tid_data *tid_data;
2407 u32 bytes = 0;
2408 int rc, size;
2409 u32 i;
2411 cudbg_fill_le_tcam_info(padap, &tcam_region);
2413 size = sizeof(struct cudbg_tid_data) * tcam_region.max_tid;
2414 size += sizeof(struct cudbg_tcam);
2415 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff);
2416 if (rc)
2417 return rc;
2419 memcpy(temp_buff.data, &tcam_region, sizeof(struct cudbg_tcam));
2420 bytes = sizeof(struct cudbg_tcam);
2421 tid_data = (struct cudbg_tid_data *)(temp_buff.data + bytes);
2422 /* read all tid */
2423 for (i = 0; i < tcam_region.max_tid; ) {
2424 rc = cudbg_read_tid(pdbg_init, i, tid_data);
2425 if (rc) {
2426 cudbg_err->sys_err = rc;
2427 cudbg_put_buff(pdbg_init, &temp_buff);
2428 return rc;
2431 /* ipv6 takes two tids */
2432 cudbg_is_ipv6_entry(tid_data, tcam_region) ? i += 2 : i++;
2434 tid_data++;
2435 bytes += sizeof(struct cudbg_tid_data);
2438 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
2441 int cudbg_collect_cctrl(struct cudbg_init *pdbg_init,
2442 struct cudbg_buffer *dbg_buff,
2443 struct cudbg_error *cudbg_err)
2445 struct adapter *padap = pdbg_init->adap;
2446 struct cudbg_buffer temp_buff = { 0 };
2447 u32 size;
2448 int rc;
2450 size = sizeof(u16) * NMTUS * NCCTRL_WIN;
2451 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff);
2452 if (rc)
2453 return rc;
2455 t4_read_cong_tbl(padap, (void *)temp_buff.data);
2456 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
2459 int cudbg_collect_ma_indirect(struct cudbg_init *pdbg_init,
2460 struct cudbg_buffer *dbg_buff,
2461 struct cudbg_error *cudbg_err)
2463 struct adapter *padap = pdbg_init->adap;
2464 struct cudbg_buffer temp_buff = { 0 };
2465 struct ireg_buf *ma_indr;
2466 int i, rc, n;
2467 u32 size, j;
2469 if (CHELSIO_CHIP_VERSION(padap->params.chip) < CHELSIO_T6)
2470 return CUDBG_STATUS_ENTITY_NOT_FOUND;
2472 n = sizeof(t6_ma_ireg_array) / (IREG_NUM_ELEM * sizeof(u32));
2473 size = sizeof(struct ireg_buf) * n * 2;
2474 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff);
2475 if (rc)
2476 return rc;
2478 ma_indr = (struct ireg_buf *)temp_buff.data;
2479 for (i = 0; i < n; i++) {
2480 struct ireg_field *ma_fli = &ma_indr->tp_pio;
2481 u32 *buff = ma_indr->outbuf;
2483 ma_fli->ireg_addr = t6_ma_ireg_array[i][0];
2484 ma_fli->ireg_data = t6_ma_ireg_array[i][1];
2485 ma_fli->ireg_local_offset = t6_ma_ireg_array[i][2];
2486 ma_fli->ireg_offset_range = t6_ma_ireg_array[i][3];
2487 t4_read_indirect(padap, ma_fli->ireg_addr, ma_fli->ireg_data,
2488 buff, ma_fli->ireg_offset_range,
2489 ma_fli->ireg_local_offset);
2490 ma_indr++;
2493 n = sizeof(t6_ma_ireg_array2) / (IREG_NUM_ELEM * sizeof(u32));
2494 for (i = 0; i < n; i++) {
2495 struct ireg_field *ma_fli = &ma_indr->tp_pio;
2496 u32 *buff = ma_indr->outbuf;
2498 ma_fli->ireg_addr = t6_ma_ireg_array2[i][0];
2499 ma_fli->ireg_data = t6_ma_ireg_array2[i][1];
2500 ma_fli->ireg_local_offset = t6_ma_ireg_array2[i][2];
2501 for (j = 0; j < t6_ma_ireg_array2[i][3]; j++) {
2502 t4_read_indirect(padap, ma_fli->ireg_addr,
2503 ma_fli->ireg_data, buff, 1,
2504 ma_fli->ireg_local_offset);
2505 buff++;
2506 ma_fli->ireg_local_offset += 0x20;
2508 ma_indr++;
2510 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
2513 int cudbg_collect_ulptx_la(struct cudbg_init *pdbg_init,
2514 struct cudbg_buffer *dbg_buff,
2515 struct cudbg_error *cudbg_err)
2517 struct adapter *padap = pdbg_init->adap;
2518 struct cudbg_buffer temp_buff = { 0 };
2519 struct cudbg_ulptx_la *ulptx_la_buff;
2520 u32 i, j;
2521 int rc;
2523 rc = cudbg_get_buff(pdbg_init, dbg_buff, sizeof(struct cudbg_ulptx_la),
2524 &temp_buff);
2525 if (rc)
2526 return rc;
2528 ulptx_la_buff = (struct cudbg_ulptx_la *)temp_buff.data;
2529 for (i = 0; i < CUDBG_NUM_ULPTX; i++) {
2530 ulptx_la_buff->rdptr[i] = t4_read_reg(padap,
2531 ULP_TX_LA_RDPTR_0_A +
2532 0x10 * i);
2533 ulptx_la_buff->wrptr[i] = t4_read_reg(padap,
2534 ULP_TX_LA_WRPTR_0_A +
2535 0x10 * i);
2536 ulptx_la_buff->rddata[i] = t4_read_reg(padap,
2537 ULP_TX_LA_RDDATA_0_A +
2538 0x10 * i);
2539 for (j = 0; j < CUDBG_NUM_ULPTX_READ; j++)
2540 ulptx_la_buff->rd_data[i][j] =
2541 t4_read_reg(padap,
2542 ULP_TX_LA_RDDATA_0_A + 0x10 * i);
2544 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
2547 int cudbg_collect_up_cim_indirect(struct cudbg_init *pdbg_init,
2548 struct cudbg_buffer *dbg_buff,
2549 struct cudbg_error *cudbg_err)
2551 struct adapter *padap = pdbg_init->adap;
2552 struct cudbg_buffer temp_buff = { 0 };
2553 u32 local_offset, local_range;
2554 struct ireg_buf *up_cim;
2555 u32 size, j, iter;
2556 u32 instance = 0;
2557 int i, rc, n;
2559 if (is_t5(padap->params.chip))
2560 n = sizeof(t5_up_cim_reg_array) /
2561 ((IREG_NUM_ELEM + 1) * sizeof(u32));
2562 else if (is_t6(padap->params.chip))
2563 n = sizeof(t6_up_cim_reg_array) /
2564 ((IREG_NUM_ELEM + 1) * sizeof(u32));
2565 else
2566 return CUDBG_STATUS_NOT_IMPLEMENTED;
2568 size = sizeof(struct ireg_buf) * n;
2569 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff);
2570 if (rc)
2571 return rc;
2573 up_cim = (struct ireg_buf *)temp_buff.data;
2574 for (i = 0; i < n; i++) {
2575 struct ireg_field *up_cim_reg = &up_cim->tp_pio;
2576 u32 *buff = up_cim->outbuf;
2578 if (is_t5(padap->params.chip)) {
2579 up_cim_reg->ireg_addr = t5_up_cim_reg_array[i][0];
2580 up_cim_reg->ireg_data = t5_up_cim_reg_array[i][1];
2581 up_cim_reg->ireg_local_offset =
2582 t5_up_cim_reg_array[i][2];
2583 up_cim_reg->ireg_offset_range =
2584 t5_up_cim_reg_array[i][3];
2585 instance = t5_up_cim_reg_array[i][4];
2586 } else if (is_t6(padap->params.chip)) {
2587 up_cim_reg->ireg_addr = t6_up_cim_reg_array[i][0];
2588 up_cim_reg->ireg_data = t6_up_cim_reg_array[i][1];
2589 up_cim_reg->ireg_local_offset =
2590 t6_up_cim_reg_array[i][2];
2591 up_cim_reg->ireg_offset_range =
2592 t6_up_cim_reg_array[i][3];
2593 instance = t6_up_cim_reg_array[i][4];
2596 switch (instance) {
2597 case NUM_CIM_CTL_TSCH_CHANNEL_INSTANCES:
2598 iter = up_cim_reg->ireg_offset_range;
2599 local_offset = 0x120;
2600 local_range = 1;
2601 break;
2602 case NUM_CIM_CTL_TSCH_CHANNEL_TSCH_CLASS_INSTANCES:
2603 iter = up_cim_reg->ireg_offset_range;
2604 local_offset = 0x10;
2605 local_range = 1;
2606 break;
2607 default:
2608 iter = 1;
2609 local_offset = 0;
2610 local_range = up_cim_reg->ireg_offset_range;
2611 break;
2614 for (j = 0; j < iter; j++, buff++) {
2615 rc = t4_cim_read(padap,
2616 up_cim_reg->ireg_local_offset +
2617 (j * local_offset), local_range, buff);
2618 if (rc) {
2619 cudbg_put_buff(pdbg_init, &temp_buff);
2620 return rc;
2623 up_cim++;
2625 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
2628 int cudbg_collect_pbt_tables(struct cudbg_init *pdbg_init,
2629 struct cudbg_buffer *dbg_buff,
2630 struct cudbg_error *cudbg_err)
2632 struct adapter *padap = pdbg_init->adap;
2633 struct cudbg_buffer temp_buff = { 0 };
2634 struct cudbg_pbt_tables *pbt;
2635 int i, rc;
2636 u32 addr;
2638 rc = cudbg_get_buff(pdbg_init, dbg_buff,
2639 sizeof(struct cudbg_pbt_tables),
2640 &temp_buff);
2641 if (rc)
2642 return rc;
2644 pbt = (struct cudbg_pbt_tables *)temp_buff.data;
2645 /* PBT dynamic entries */
2646 addr = CUDBG_CHAC_PBT_ADDR;
2647 for (i = 0; i < CUDBG_PBT_DYNAMIC_ENTRIES; i++) {
2648 rc = t4_cim_read(padap, addr + (i * 4), 1,
2649 &pbt->pbt_dynamic[i]);
2650 if (rc) {
2651 cudbg_err->sys_err = rc;
2652 cudbg_put_buff(pdbg_init, &temp_buff);
2653 return rc;
2657 /* PBT static entries */
2658 /* static entries start when bit 6 is set */
2659 addr = CUDBG_CHAC_PBT_ADDR + (1 << 6);
2660 for (i = 0; i < CUDBG_PBT_STATIC_ENTRIES; i++) {
2661 rc = t4_cim_read(padap, addr + (i * 4), 1,
2662 &pbt->pbt_static[i]);
2663 if (rc) {
2664 cudbg_err->sys_err = rc;
2665 cudbg_put_buff(pdbg_init, &temp_buff);
2666 return rc;
2670 /* LRF entries */
2671 addr = CUDBG_CHAC_PBT_LRF;
2672 for (i = 0; i < CUDBG_LRF_ENTRIES; i++) {
2673 rc = t4_cim_read(padap, addr + (i * 4), 1,
2674 &pbt->lrf_table[i]);
2675 if (rc) {
2676 cudbg_err->sys_err = rc;
2677 cudbg_put_buff(pdbg_init, &temp_buff);
2678 return rc;
2682 /* PBT data entries */
2683 addr = CUDBG_CHAC_PBT_DATA;
2684 for (i = 0; i < CUDBG_PBT_DATA_ENTRIES; i++) {
2685 rc = t4_cim_read(padap, addr + (i * 4), 1,
2686 &pbt->pbt_data[i]);
2687 if (rc) {
2688 cudbg_err->sys_err = rc;
2689 cudbg_put_buff(pdbg_init, &temp_buff);
2690 return rc;
2693 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
2696 int cudbg_collect_mbox_log(struct cudbg_init *pdbg_init,
2697 struct cudbg_buffer *dbg_buff,
2698 struct cudbg_error *cudbg_err)
2700 struct adapter *padap = pdbg_init->adap;
2701 struct cudbg_mbox_log *mboxlog = NULL;
2702 struct cudbg_buffer temp_buff = { 0 };
2703 struct mbox_cmd_log *log = NULL;
2704 struct mbox_cmd *entry;
2705 unsigned int entry_idx;
2706 u16 mbox_cmds;
2707 int i, k, rc;
2708 u64 flit;
2709 u32 size;
2711 log = padap->mbox_log;
2712 mbox_cmds = padap->mbox_log->size;
2713 size = sizeof(struct cudbg_mbox_log) * mbox_cmds;
2714 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff);
2715 if (rc)
2716 return rc;
2718 mboxlog = (struct cudbg_mbox_log *)temp_buff.data;
2719 for (k = 0; k < mbox_cmds; k++) {
2720 entry_idx = log->cursor + k;
2721 if (entry_idx >= log->size)
2722 entry_idx -= log->size;
2724 entry = mbox_cmd_log_entry(log, entry_idx);
2725 /* skip over unused entries */
2726 if (entry->timestamp == 0)
2727 continue;
2729 memcpy(&mboxlog->entry, entry, sizeof(struct mbox_cmd));
2730 for (i = 0; i < MBOX_LEN / 8; i++) {
2731 flit = entry->cmd[i];
2732 mboxlog->hi[i] = (u32)(flit >> 32);
2733 mboxlog->lo[i] = (u32)flit;
2735 mboxlog++;
2737 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);
2740 int cudbg_collect_hma_indirect(struct cudbg_init *pdbg_init,
2741 struct cudbg_buffer *dbg_buff,
2742 struct cudbg_error *cudbg_err)
2744 struct adapter *padap = pdbg_init->adap;
2745 struct cudbg_buffer temp_buff = { 0 };
2746 struct ireg_buf *hma_indr;
2747 int i, rc, n;
2748 u32 size;
2750 if (CHELSIO_CHIP_VERSION(padap->params.chip) < CHELSIO_T6)
2751 return CUDBG_STATUS_ENTITY_NOT_FOUND;
2753 n = sizeof(t6_hma_ireg_array) / (IREG_NUM_ELEM * sizeof(u32));
2754 size = sizeof(struct ireg_buf) * n;
2755 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff);
2756 if (rc)
2757 return rc;
2759 hma_indr = (struct ireg_buf *)temp_buff.data;
2760 for (i = 0; i < n; i++) {
2761 struct ireg_field *hma_fli = &hma_indr->tp_pio;
2762 u32 *buff = hma_indr->outbuf;
2764 hma_fli->ireg_addr = t6_hma_ireg_array[i][0];
2765 hma_fli->ireg_data = t6_hma_ireg_array[i][1];
2766 hma_fli->ireg_local_offset = t6_hma_ireg_array[i][2];
2767 hma_fli->ireg_offset_range = t6_hma_ireg_array[i][3];
2768 t4_read_indirect(padap, hma_fli->ireg_addr, hma_fli->ireg_data,
2769 buff, hma_fli->ireg_offset_range,
2770 hma_fli->ireg_local_offset);
2771 hma_indr++;
2773 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff);