1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (C) 2017 Chelsio Communications. All rights reserved. 4 */ 5 6 #include <linux/sort.h> 7 8 #include "t4_regs.h" 9 #include "cxgb4.h" 10 #include "cxgb4_cudbg.h" 11 #include "cudbg_if.h" 12 #include "cudbg_lib_common.h" 13 #include "cudbg_entity.h" 14 #include "cudbg_lib.h" 15 #include "cudbg_zlib.h" 16 17 static int cudbg_do_compression(struct cudbg_init *pdbg_init, 18 struct cudbg_buffer *pin_buff, 19 struct cudbg_buffer *dbg_buff) 20 { 21 struct cudbg_buffer temp_in_buff = { 0 }; 22 int bytes_left, bytes_read, bytes; 23 u32 offset = dbg_buff->offset; 24 int rc; 25 26 temp_in_buff.offset = pin_buff->offset; 27 temp_in_buff.data = pin_buff->data; 28 temp_in_buff.size = pin_buff->size; 29 30 bytes_left = pin_buff->size; 31 bytes_read = 0; 32 while (bytes_left > 0) { 33 /* Do compression in smaller chunks */ 34 bytes = min_t(unsigned long, bytes_left, 35 (unsigned long)CUDBG_CHUNK_SIZE); 36 temp_in_buff.data = (char *)pin_buff->data + bytes_read; 37 temp_in_buff.size = bytes; 38 rc = cudbg_compress_buff(pdbg_init, &temp_in_buff, dbg_buff); 39 if (rc) 40 return rc; 41 bytes_left -= bytes; 42 bytes_read += bytes; 43 } 44 45 pin_buff->size = dbg_buff->offset - offset; 46 return 0; 47 } 48 49 static int cudbg_write_and_release_buff(struct cudbg_init *pdbg_init, 50 struct cudbg_buffer *pin_buff, 51 struct cudbg_buffer *dbg_buff) 52 { 53 int rc = 0; 54 55 if (pdbg_init->compress_type == CUDBG_COMPRESSION_NONE) { 56 cudbg_update_buff(pin_buff, dbg_buff); 57 } else { 58 rc = cudbg_do_compression(pdbg_init, pin_buff, dbg_buff); 59 if (rc) 60 goto out; 61 } 62 63 out: 64 cudbg_put_buff(pdbg_init, pin_buff); 65 return rc; 66 } 67 68 static int is_fw_attached(struct cudbg_init *pdbg_init) 69 { 70 struct adapter *padap = pdbg_init->adap; 71 72 if (!(padap->flags & CXGB4_FW_OK) || padap->use_bd) 73 return 0; 74 75 return 1; 76 } 77 78 /* This function will add additional padding bytes into debug_buffer to make it 79 * 4 byte aligned. 80 */ 81 void cudbg_align_debug_buffer(struct cudbg_buffer *dbg_buff, 82 struct cudbg_entity_hdr *entity_hdr) 83 { 84 u8 zero_buf[4] = {0}; 85 u8 padding, remain; 86 87 remain = (dbg_buff->offset - entity_hdr->start_offset) % 4; 88 padding = 4 - remain; 89 if (remain) { 90 memcpy(((u8 *)dbg_buff->data) + dbg_buff->offset, &zero_buf, 91 padding); 92 dbg_buff->offset += padding; 93 entity_hdr->num_pad = padding; 94 } 95 entity_hdr->size = dbg_buff->offset - entity_hdr->start_offset; 96 } 97 98 struct cudbg_entity_hdr *cudbg_get_entity_hdr(void *outbuf, int i) 99 { 100 struct cudbg_hdr *cudbg_hdr = (struct cudbg_hdr *)outbuf; 101 102 return (struct cudbg_entity_hdr *) 103 ((char *)outbuf + cudbg_hdr->hdr_len + 104 (sizeof(struct cudbg_entity_hdr) * (i - 1))); 105 } 106 107 static int cudbg_read_vpd_reg(struct adapter *padap, u32 addr, u32 len, 108 void *dest) 109 { 110 int vaddr, rc; 111 112 vaddr = t4_eeprom_ptov(addr, padap->pf, EEPROMPFSIZE); 113 if (vaddr < 0) 114 return vaddr; 115 116 rc = pci_read_vpd(padap->pdev, vaddr, len, dest); 117 if (rc < 0) 118 return rc; 119 120 return 0; 121 } 122 123 static int cudbg_mem_desc_cmp(const void *a, const void *b) 124 { 125 return ((const struct cudbg_mem_desc *)a)->base - 126 ((const struct cudbg_mem_desc *)b)->base; 127 } 128 129 int cudbg_fill_meminfo(struct adapter *padap, 130 struct cudbg_meminfo *meminfo_buff) 131 { 132 struct cudbg_mem_desc *md; 133 u32 lo, hi, used, alloc; 134 int n, i; 135 136 memset(meminfo_buff->avail, 0, 137 ARRAY_SIZE(meminfo_buff->avail) * 138 sizeof(struct cudbg_mem_desc)); 139 memset(meminfo_buff->mem, 0, 140 (ARRAY_SIZE(cudbg_region) + 3) * sizeof(struct cudbg_mem_desc)); 141 md = meminfo_buff->mem; 142 143 for (i = 0; i < ARRAY_SIZE(meminfo_buff->mem); i++) { 144 meminfo_buff->mem[i].limit = 0; 145 meminfo_buff->mem[i].idx = i; 146 } 147 148 /* Find and sort the populated memory ranges */ 149 i = 0; 150 lo = t4_read_reg(padap, MA_TARGET_MEM_ENABLE_A); 151 if (lo & EDRAM0_ENABLE_F) { 152 hi = t4_read_reg(padap, MA_EDRAM0_BAR_A); 153 meminfo_buff->avail[i].base = 154 cudbg_mbytes_to_bytes(EDRAM0_BASE_G(hi)); 155 meminfo_buff->avail[i].limit = 156 meminfo_buff->avail[i].base + 157 cudbg_mbytes_to_bytes(EDRAM0_SIZE_G(hi)); 158 meminfo_buff->avail[i].idx = 0; 159 i++; 160 } 161 162 if (lo & EDRAM1_ENABLE_F) { 163 hi = t4_read_reg(padap, MA_EDRAM1_BAR_A); 164 meminfo_buff->avail[i].base = 165 cudbg_mbytes_to_bytes(EDRAM1_BASE_G(hi)); 166 meminfo_buff->avail[i].limit = 167 meminfo_buff->avail[i].base + 168 cudbg_mbytes_to_bytes(EDRAM1_SIZE_G(hi)); 169 meminfo_buff->avail[i].idx = 1; 170 i++; 171 } 172 173 if (is_t5(padap->params.chip)) { 174 if (lo & EXT_MEM0_ENABLE_F) { 175 hi = t4_read_reg(padap, MA_EXT_MEMORY0_BAR_A); 176 meminfo_buff->avail[i].base = 177 cudbg_mbytes_to_bytes(EXT_MEM_BASE_G(hi)); 178 meminfo_buff->avail[i].limit = 179 meminfo_buff->avail[i].base + 180 cudbg_mbytes_to_bytes(EXT_MEM_SIZE_G(hi)); 181 meminfo_buff->avail[i].idx = 3; 182 i++; 183 } 184 185 if (lo & EXT_MEM1_ENABLE_F) { 186 hi = t4_read_reg(padap, MA_EXT_MEMORY1_BAR_A); 187 meminfo_buff->avail[i].base = 188 cudbg_mbytes_to_bytes(EXT_MEM1_BASE_G(hi)); 189 meminfo_buff->avail[i].limit = 190 meminfo_buff->avail[i].base + 191 cudbg_mbytes_to_bytes(EXT_MEM1_SIZE_G(hi)); 192 meminfo_buff->avail[i].idx = 4; 193 i++; 194 } 195 } else { 196 if (lo & EXT_MEM_ENABLE_F) { 197 hi = t4_read_reg(padap, MA_EXT_MEMORY_BAR_A); 198 meminfo_buff->avail[i].base = 199 cudbg_mbytes_to_bytes(EXT_MEM_BASE_G(hi)); 200 meminfo_buff->avail[i].limit = 201 meminfo_buff->avail[i].base + 202 cudbg_mbytes_to_bytes(EXT_MEM_SIZE_G(hi)); 203 meminfo_buff->avail[i].idx = 2; 204 i++; 205 } 206 207 if (lo & HMA_MUX_F) { 208 hi = t4_read_reg(padap, MA_EXT_MEMORY1_BAR_A); 209 meminfo_buff->avail[i].base = 210 cudbg_mbytes_to_bytes(EXT_MEM1_BASE_G(hi)); 211 meminfo_buff->avail[i].limit = 212 meminfo_buff->avail[i].base + 213 cudbg_mbytes_to_bytes(EXT_MEM1_SIZE_G(hi)); 214 meminfo_buff->avail[i].idx = 5; 215 i++; 216 } 217 } 218 219 if (!i) /* no memory available */ 220 return CUDBG_STATUS_ENTITY_NOT_FOUND; 221 222 meminfo_buff->avail_c = i; 223 sort(meminfo_buff->avail, i, sizeof(struct cudbg_mem_desc), 224 cudbg_mem_desc_cmp, NULL); 225 (md++)->base = t4_read_reg(padap, SGE_DBQ_CTXT_BADDR_A); 226 (md++)->base = t4_read_reg(padap, SGE_IMSG_CTXT_BADDR_A); 227 (md++)->base = t4_read_reg(padap, SGE_FLM_CACHE_BADDR_A); 228 (md++)->base = t4_read_reg(padap, TP_CMM_TCB_BASE_A); 229 (md++)->base = t4_read_reg(padap, TP_CMM_MM_BASE_A); 230 (md++)->base = t4_read_reg(padap, TP_CMM_TIMER_BASE_A); 231 (md++)->base = t4_read_reg(padap, TP_CMM_MM_RX_FLST_BASE_A); 232 (md++)->base = t4_read_reg(padap, TP_CMM_MM_TX_FLST_BASE_A); 233 (md++)->base = t4_read_reg(padap, TP_CMM_MM_PS_FLST_BASE_A); 234 235 /* the next few have explicit upper bounds */ 236 md->base = t4_read_reg(padap, TP_PMM_TX_BASE_A); 237 md->limit = md->base - 1 + 238 t4_read_reg(padap, TP_PMM_TX_PAGE_SIZE_A) * 239 PMTXMAXPAGE_G(t4_read_reg(padap, TP_PMM_TX_MAX_PAGE_A)); 240 md++; 241 242 md->base = t4_read_reg(padap, TP_PMM_RX_BASE_A); 243 md->limit = md->base - 1 + 244 t4_read_reg(padap, TP_PMM_RX_PAGE_SIZE_A) * 245 PMRXMAXPAGE_G(t4_read_reg(padap, TP_PMM_RX_MAX_PAGE_A)); 246 md++; 247 248 if (t4_read_reg(padap, LE_DB_CONFIG_A) & HASHEN_F) { 249 if (CHELSIO_CHIP_VERSION(padap->params.chip) <= CHELSIO_T5) { 250 hi = t4_read_reg(padap, LE_DB_TID_HASHBASE_A) / 4; 251 md->base = t4_read_reg(padap, LE_DB_HASH_TID_BASE_A); 252 } else { 253 hi = t4_read_reg(padap, LE_DB_HASH_TID_BASE_A); 254 md->base = t4_read_reg(padap, 255 LE_DB_HASH_TBL_BASE_ADDR_A); 256 } 257 md->limit = 0; 258 } else { 259 md->base = 0; 260 md->idx = ARRAY_SIZE(cudbg_region); /* hide it */ 261 } 262 md++; 263 264 #define ulp_region(reg) do { \ 265 md->base = t4_read_reg(padap, ULP_ ## reg ## _LLIMIT_A);\ 266 (md++)->limit = t4_read_reg(padap, ULP_ ## reg ## _ULIMIT_A);\ 267 } while (0) 268 269 ulp_region(RX_ISCSI); 270 ulp_region(RX_TDDP); 271 ulp_region(TX_TPT); 272 ulp_region(RX_STAG); 273 ulp_region(RX_RQ); 274 ulp_region(RX_RQUDP); 275 ulp_region(RX_PBL); 276 ulp_region(TX_PBL); 277 #undef ulp_region 278 md->base = 0; 279 md->idx = ARRAY_SIZE(cudbg_region); 280 if (!is_t4(padap->params.chip)) { 281 u32 fifo_size = t4_read_reg(padap, SGE_DBVFIFO_SIZE_A); 282 u32 sge_ctrl = t4_read_reg(padap, SGE_CONTROL2_A); 283 u32 size = 0; 284 285 if (is_t5(padap->params.chip)) { 286 if (sge_ctrl & VFIFO_ENABLE_F) 287 size = DBVFIFO_SIZE_G(fifo_size); 288 } else { 289 size = T6_DBVFIFO_SIZE_G(fifo_size); 290 } 291 292 if (size) { 293 md->base = BASEADDR_G(t4_read_reg(padap, 294 SGE_DBVFIFO_BADDR_A)); 295 md->limit = md->base + (size << 2) - 1; 296 } 297 } 298 299 md++; 300 301 md->base = t4_read_reg(padap, ULP_RX_CTX_BASE_A); 302 md->limit = 0; 303 md++; 304 md->base = t4_read_reg(padap, ULP_TX_ERR_TABLE_BASE_A); 305 md->limit = 0; 306 md++; 307 308 md->base = padap->vres.ocq.start; 309 if (padap->vres.ocq.size) 310 md->limit = md->base + padap->vres.ocq.size - 1; 311 else 312 md->idx = ARRAY_SIZE(cudbg_region); /* hide it */ 313 md++; 314 315 /* add any address-space holes, there can be up to 3 */ 316 for (n = 0; n < i - 1; n++) 317 if (meminfo_buff->avail[n].limit < 318 meminfo_buff->avail[n + 1].base) 319 (md++)->base = meminfo_buff->avail[n].limit; 320 321 if (meminfo_buff->avail[n].limit) 322 (md++)->base = meminfo_buff->avail[n].limit; 323 324 n = md - meminfo_buff->mem; 325 meminfo_buff->mem_c = n; 326 327 sort(meminfo_buff->mem, n, sizeof(struct cudbg_mem_desc), 328 cudbg_mem_desc_cmp, NULL); 329 330 lo = t4_read_reg(padap, CIM_SDRAM_BASE_ADDR_A); 331 hi = t4_read_reg(padap, CIM_SDRAM_ADDR_SIZE_A) + lo - 1; 332 meminfo_buff->up_ram_lo = lo; 333 meminfo_buff->up_ram_hi = hi; 334 335 lo = t4_read_reg(padap, CIM_EXTMEM2_BASE_ADDR_A); 336 hi = t4_read_reg(padap, CIM_EXTMEM2_ADDR_SIZE_A) + lo - 1; 337 meminfo_buff->up_extmem2_lo = lo; 338 meminfo_buff->up_extmem2_hi = hi; 339 340 lo = t4_read_reg(padap, TP_PMM_RX_MAX_PAGE_A); 341 for (i = 0, meminfo_buff->free_rx_cnt = 0; i < 2; i++) 342 meminfo_buff->free_rx_cnt += 343 FREERXPAGECOUNT_G(t4_read_reg(padap, 344 TP_FLM_FREE_RX_CNT_A)); 345 346 meminfo_buff->rx_pages_data[0] = PMRXMAXPAGE_G(lo); 347 meminfo_buff->rx_pages_data[1] = 348 t4_read_reg(padap, TP_PMM_RX_PAGE_SIZE_A) >> 10; 349 meminfo_buff->rx_pages_data[2] = (lo & PMRXNUMCHN_F) ? 2 : 1; 350 351 lo = t4_read_reg(padap, TP_PMM_TX_MAX_PAGE_A); 352 hi = t4_read_reg(padap, TP_PMM_TX_PAGE_SIZE_A); 353 for (i = 0, meminfo_buff->free_tx_cnt = 0; i < 4; i++) 354 meminfo_buff->free_tx_cnt += 355 FREETXPAGECOUNT_G(t4_read_reg(padap, 356 TP_FLM_FREE_TX_CNT_A)); 357 358 meminfo_buff->tx_pages_data[0] = PMTXMAXPAGE_G(lo); 359 meminfo_buff->tx_pages_data[1] = 360 hi >= (1 << 20) ? (hi >> 20) : (hi >> 10); 361 meminfo_buff->tx_pages_data[2] = 362 hi >= (1 << 20) ? 'M' : 'K'; 363 meminfo_buff->tx_pages_data[3] = 1 << PMTXNUMCHN_G(lo); 364 365 meminfo_buff->p_structs = t4_read_reg(padap, TP_CMM_MM_MAX_PSTRUCT_A); 366 meminfo_buff->p_structs_free_cnt = 367 FREEPSTRUCTCOUNT_G(t4_read_reg(padap, TP_FLM_FREE_PS_CNT_A)); 368 369 for (i = 0; i < 4; i++) { 370 if (CHELSIO_CHIP_VERSION(padap->params.chip) > CHELSIO_T5) 371 lo = t4_read_reg(padap, 372 MPS_RX_MAC_BG_PG_CNT0_A + i * 4); 373 else 374 lo = t4_read_reg(padap, MPS_RX_PG_RSV0_A + i * 4); 375 if (is_t5(padap->params.chip)) { 376 used = T5_USED_G(lo); 377 alloc = T5_ALLOC_G(lo); 378 } else { 379 used = USED_G(lo); 380 alloc = ALLOC_G(lo); 381 } 382 meminfo_buff->port_used[i] = used; 383 meminfo_buff->port_alloc[i] = alloc; 384 } 385 386 for (i = 0; i < padap->params.arch.nchan; i++) { 387 if (CHELSIO_CHIP_VERSION(padap->params.chip) > CHELSIO_T5) 388 lo = t4_read_reg(padap, 389 MPS_RX_LPBK_BG_PG_CNT0_A + i * 4); 390 else 391 lo = t4_read_reg(padap, MPS_RX_PG_RSV4_A + i * 4); 392 if (is_t5(padap->params.chip)) { 393 used = T5_USED_G(lo); 394 alloc = T5_ALLOC_G(lo); 395 } else { 396 used = USED_G(lo); 397 alloc = ALLOC_G(lo); 398 } 399 meminfo_buff->loopback_used[i] = used; 400 meminfo_buff->loopback_alloc[i] = alloc; 401 } 402 403 return 0; 404 } 405 406 int cudbg_collect_reg_dump(struct cudbg_init *pdbg_init, 407 struct cudbg_buffer *dbg_buff, 408 struct cudbg_error *cudbg_err) 409 { 410 struct adapter *padap = pdbg_init->adap; 411 struct cudbg_buffer temp_buff = { 0 }; 412 u32 buf_size = 0; 413 int rc = 0; 414 415 if (is_t4(padap->params.chip)) 416 buf_size = T4_REGMAP_SIZE; 417 else if (is_t5(padap->params.chip) || is_t6(padap->params.chip)) 418 buf_size = T5_REGMAP_SIZE; 419 420 rc = cudbg_get_buff(pdbg_init, dbg_buff, buf_size, &temp_buff); 421 if (rc) 422 return rc; 423 t4_get_regs(padap, (void *)temp_buff.data, temp_buff.size); 424 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 425 } 426 427 int cudbg_collect_fw_devlog(struct cudbg_init *pdbg_init, 428 struct cudbg_buffer *dbg_buff, 429 struct cudbg_error *cudbg_err) 430 { 431 struct adapter *padap = pdbg_init->adap; 432 struct cudbg_buffer temp_buff = { 0 }; 433 struct devlog_params *dparams; 434 int rc = 0; 435 436 rc = t4_init_devlog_params(padap); 437 if (rc < 0) { 438 cudbg_err->sys_err = rc; 439 return rc; 440 } 441 442 dparams = &padap->params.devlog; 443 rc = cudbg_get_buff(pdbg_init, dbg_buff, dparams->size, &temp_buff); 444 if (rc) 445 return rc; 446 447 /* Collect FW devlog */ 448 if (dparams->start != 0) { 449 spin_lock(&padap->win0_lock); 450 rc = t4_memory_rw(padap, padap->params.drv_memwin, 451 dparams->memtype, dparams->start, 452 dparams->size, 453 (__be32 *)(char *)temp_buff.data, 454 1); 455 spin_unlock(&padap->win0_lock); 456 if (rc) { 457 cudbg_err->sys_err = rc; 458 cudbg_put_buff(pdbg_init, &temp_buff); 459 return rc; 460 } 461 } 462 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 463 } 464 465 int cudbg_collect_cim_la(struct cudbg_init *pdbg_init, 466 struct cudbg_buffer *dbg_buff, 467 struct cudbg_error *cudbg_err) 468 { 469 struct adapter *padap = pdbg_init->adap; 470 struct cudbg_buffer temp_buff = { 0 }; 471 int size, rc; 472 u32 cfg = 0; 473 474 if (is_t6(padap->params.chip)) { 475 size = padap->params.cim_la_size / 10 + 1; 476 size *= 10 * sizeof(u32); 477 } else { 478 size = padap->params.cim_la_size / 8; 479 size *= 8 * sizeof(u32); 480 } 481 482 size += sizeof(cfg); 483 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff); 484 if (rc) 485 return rc; 486 487 rc = t4_cim_read(padap, UP_UP_DBG_LA_CFG_A, 1, &cfg); 488 if (rc) { 489 cudbg_err->sys_err = rc; 490 cudbg_put_buff(pdbg_init, &temp_buff); 491 return rc; 492 } 493 494 memcpy((char *)temp_buff.data, &cfg, sizeof(cfg)); 495 rc = t4_cim_read_la(padap, 496 (u32 *)((char *)temp_buff.data + sizeof(cfg)), 497 NULL); 498 if (rc < 0) { 499 cudbg_err->sys_err = rc; 500 cudbg_put_buff(pdbg_init, &temp_buff); 501 return rc; 502 } 503 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 504 } 505 506 int cudbg_collect_cim_ma_la(struct cudbg_init *pdbg_init, 507 struct cudbg_buffer *dbg_buff, 508 struct cudbg_error *cudbg_err) 509 { 510 struct adapter *padap = pdbg_init->adap; 511 struct cudbg_buffer temp_buff = { 0 }; 512 int size, rc; 513 514 size = 2 * CIM_MALA_SIZE * 5 * sizeof(u32); 515 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff); 516 if (rc) 517 return rc; 518 519 t4_cim_read_ma_la(padap, 520 (u32 *)temp_buff.data, 521 (u32 *)((char *)temp_buff.data + 522 5 * CIM_MALA_SIZE)); 523 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 524 } 525 526 int cudbg_collect_cim_qcfg(struct cudbg_init *pdbg_init, 527 struct cudbg_buffer *dbg_buff, 528 struct cudbg_error *cudbg_err) 529 { 530 struct adapter *padap = pdbg_init->adap; 531 struct cudbg_buffer temp_buff = { 0 }; 532 struct cudbg_cim_qcfg *cim_qcfg_data; 533 int rc; 534 535 rc = cudbg_get_buff(pdbg_init, dbg_buff, sizeof(struct cudbg_cim_qcfg), 536 &temp_buff); 537 if (rc) 538 return rc; 539 540 cim_qcfg_data = (struct cudbg_cim_qcfg *)temp_buff.data; 541 cim_qcfg_data->chip = padap->params.chip; 542 rc = t4_cim_read(padap, UP_IBQ_0_RDADDR_A, 543 ARRAY_SIZE(cim_qcfg_data->stat), cim_qcfg_data->stat); 544 if (rc) { 545 cudbg_err->sys_err = rc; 546 cudbg_put_buff(pdbg_init, &temp_buff); 547 return rc; 548 } 549 550 rc = t4_cim_read(padap, UP_OBQ_0_REALADDR_A, 551 ARRAY_SIZE(cim_qcfg_data->obq_wr), 552 cim_qcfg_data->obq_wr); 553 if (rc) { 554 cudbg_err->sys_err = rc; 555 cudbg_put_buff(pdbg_init, &temp_buff); 556 return rc; 557 } 558 559 t4_read_cimq_cfg(padap, cim_qcfg_data->base, cim_qcfg_data->size, 560 cim_qcfg_data->thres); 561 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 562 } 563 564 static int cudbg_read_cim_ibq(struct cudbg_init *pdbg_init, 565 struct cudbg_buffer *dbg_buff, 566 struct cudbg_error *cudbg_err, int qid) 567 { 568 struct adapter *padap = pdbg_init->adap; 569 struct cudbg_buffer temp_buff = { 0 }; 570 int no_of_read_words, rc = 0; 571 u32 qsize; 572 573 /* collect CIM IBQ */ 574 qsize = CIM_IBQ_SIZE * 4 * sizeof(u32); 575 rc = cudbg_get_buff(pdbg_init, dbg_buff, qsize, &temp_buff); 576 if (rc) 577 return rc; 578 579 /* t4_read_cim_ibq will return no. of read words or error */ 580 no_of_read_words = t4_read_cim_ibq(padap, qid, 581 (u32 *)temp_buff.data, qsize); 582 /* no_of_read_words is less than or equal to 0 means error */ 583 if (no_of_read_words <= 0) { 584 if (!no_of_read_words) 585 rc = CUDBG_SYSTEM_ERROR; 586 else 587 rc = no_of_read_words; 588 cudbg_err->sys_err = rc; 589 cudbg_put_buff(pdbg_init, &temp_buff); 590 return rc; 591 } 592 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 593 } 594 595 int cudbg_collect_cim_ibq_tp0(struct cudbg_init *pdbg_init, 596 struct cudbg_buffer *dbg_buff, 597 struct cudbg_error *cudbg_err) 598 { 599 return cudbg_read_cim_ibq(pdbg_init, dbg_buff, cudbg_err, 0); 600 } 601 602 int cudbg_collect_cim_ibq_tp1(struct cudbg_init *pdbg_init, 603 struct cudbg_buffer *dbg_buff, 604 struct cudbg_error *cudbg_err) 605 { 606 return cudbg_read_cim_ibq(pdbg_init, dbg_buff, cudbg_err, 1); 607 } 608 609 int cudbg_collect_cim_ibq_ulp(struct cudbg_init *pdbg_init, 610 struct cudbg_buffer *dbg_buff, 611 struct cudbg_error *cudbg_err) 612 { 613 return cudbg_read_cim_ibq(pdbg_init, dbg_buff, cudbg_err, 2); 614 } 615 616 int cudbg_collect_cim_ibq_sge0(struct cudbg_init *pdbg_init, 617 struct cudbg_buffer *dbg_buff, 618 struct cudbg_error *cudbg_err) 619 { 620 return cudbg_read_cim_ibq(pdbg_init, dbg_buff, cudbg_err, 3); 621 } 622 623 int cudbg_collect_cim_ibq_sge1(struct cudbg_init *pdbg_init, 624 struct cudbg_buffer *dbg_buff, 625 struct cudbg_error *cudbg_err) 626 { 627 return cudbg_read_cim_ibq(pdbg_init, dbg_buff, cudbg_err, 4); 628 } 629 630 int cudbg_collect_cim_ibq_ncsi(struct cudbg_init *pdbg_init, 631 struct cudbg_buffer *dbg_buff, 632 struct cudbg_error *cudbg_err) 633 { 634 return cudbg_read_cim_ibq(pdbg_init, dbg_buff, cudbg_err, 5); 635 } 636 637 u32 cudbg_cim_obq_size(struct adapter *padap, int qid) 638 { 639 u32 value; 640 641 t4_write_reg(padap, CIM_QUEUE_CONFIG_REF_A, OBQSELECT_F | 642 QUENUMSELECT_V(qid)); 643 value = t4_read_reg(padap, CIM_QUEUE_CONFIG_CTRL_A); 644 value = CIMQSIZE_G(value) * 64; /* size in number of words */ 645 return value * sizeof(u32); 646 } 647 648 static int cudbg_read_cim_obq(struct cudbg_init *pdbg_init, 649 struct cudbg_buffer *dbg_buff, 650 struct cudbg_error *cudbg_err, int qid) 651 { 652 struct adapter *padap = pdbg_init->adap; 653 struct cudbg_buffer temp_buff = { 0 }; 654 int no_of_read_words, rc = 0; 655 u32 qsize; 656 657 /* collect CIM OBQ */ 658 qsize = cudbg_cim_obq_size(padap, qid); 659 rc = cudbg_get_buff(pdbg_init, dbg_buff, qsize, &temp_buff); 660 if (rc) 661 return rc; 662 663 /* t4_read_cim_obq will return no. of read words or error */ 664 no_of_read_words = t4_read_cim_obq(padap, qid, 665 (u32 *)temp_buff.data, qsize); 666 /* no_of_read_words is less than or equal to 0 means error */ 667 if (no_of_read_words <= 0) { 668 if (!no_of_read_words) 669 rc = CUDBG_SYSTEM_ERROR; 670 else 671 rc = no_of_read_words; 672 cudbg_err->sys_err = rc; 673 cudbg_put_buff(pdbg_init, &temp_buff); 674 return rc; 675 } 676 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 677 } 678 679 int cudbg_collect_cim_obq_ulp0(struct cudbg_init *pdbg_init, 680 struct cudbg_buffer *dbg_buff, 681 struct cudbg_error *cudbg_err) 682 { 683 return cudbg_read_cim_obq(pdbg_init, dbg_buff, cudbg_err, 0); 684 } 685 686 int cudbg_collect_cim_obq_ulp1(struct cudbg_init *pdbg_init, 687 struct cudbg_buffer *dbg_buff, 688 struct cudbg_error *cudbg_err) 689 { 690 return cudbg_read_cim_obq(pdbg_init, dbg_buff, cudbg_err, 1); 691 } 692 693 int cudbg_collect_cim_obq_ulp2(struct cudbg_init *pdbg_init, 694 struct cudbg_buffer *dbg_buff, 695 struct cudbg_error *cudbg_err) 696 { 697 return cudbg_read_cim_obq(pdbg_init, dbg_buff, cudbg_err, 2); 698 } 699 700 int cudbg_collect_cim_obq_ulp3(struct cudbg_init *pdbg_init, 701 struct cudbg_buffer *dbg_buff, 702 struct cudbg_error *cudbg_err) 703 { 704 return cudbg_read_cim_obq(pdbg_init, dbg_buff, cudbg_err, 3); 705 } 706 707 int cudbg_collect_cim_obq_sge(struct cudbg_init *pdbg_init, 708 struct cudbg_buffer *dbg_buff, 709 struct cudbg_error *cudbg_err) 710 { 711 return cudbg_read_cim_obq(pdbg_init, dbg_buff, cudbg_err, 4); 712 } 713 714 int cudbg_collect_cim_obq_ncsi(struct cudbg_init *pdbg_init, 715 struct cudbg_buffer *dbg_buff, 716 struct cudbg_error *cudbg_err) 717 { 718 return cudbg_read_cim_obq(pdbg_init, dbg_buff, cudbg_err, 5); 719 } 720 721 int cudbg_collect_obq_sge_rx_q0(struct cudbg_init *pdbg_init, 722 struct cudbg_buffer *dbg_buff, 723 struct cudbg_error *cudbg_err) 724 { 725 return cudbg_read_cim_obq(pdbg_init, dbg_buff, cudbg_err, 6); 726 } 727 728 int cudbg_collect_obq_sge_rx_q1(struct cudbg_init *pdbg_init, 729 struct cudbg_buffer *dbg_buff, 730 struct cudbg_error *cudbg_err) 731 { 732 return cudbg_read_cim_obq(pdbg_init, dbg_buff, cudbg_err, 7); 733 } 734 735 static int cudbg_meminfo_get_mem_index(struct adapter *padap, 736 struct cudbg_meminfo *mem_info, 737 u8 mem_type, u8 *idx) 738 { 739 u8 i, flag; 740 741 switch (mem_type) { 742 case MEM_EDC0: 743 flag = EDC0_FLAG; 744 break; 745 case MEM_EDC1: 746 flag = EDC1_FLAG; 747 break; 748 case MEM_MC0: 749 /* Some T5 cards have both MC0 and MC1. */ 750 flag = is_t5(padap->params.chip) ? MC0_FLAG : MC_FLAG; 751 break; 752 case MEM_MC1: 753 flag = MC1_FLAG; 754 break; 755 case MEM_HMA: 756 flag = HMA_FLAG; 757 break; 758 default: 759 return CUDBG_STATUS_ENTITY_NOT_FOUND; 760 } 761 762 for (i = 0; i < mem_info->avail_c; i++) { 763 if (mem_info->avail[i].idx == flag) { 764 *idx = i; 765 return 0; 766 } 767 } 768 769 return CUDBG_STATUS_ENTITY_NOT_FOUND; 770 } 771 772 /* Fetch the @region_name's start and end from @meminfo. */ 773 static int cudbg_get_mem_region(struct adapter *padap, 774 struct cudbg_meminfo *meminfo, 775 u8 mem_type, const char *region_name, 776 struct cudbg_mem_desc *mem_desc) 777 { 778 u8 mc, found = 0; 779 u32 i, idx = 0; 780 int rc; 781 782 rc = cudbg_meminfo_get_mem_index(padap, meminfo, mem_type, &mc); 783 if (rc) 784 return rc; 785 786 for (i = 0; i < ARRAY_SIZE(cudbg_region); i++) { 787 if (!strcmp(cudbg_region[i], region_name)) { 788 found = 1; 789 idx = i; 790 break; 791 } 792 } 793 if (!found) 794 return -EINVAL; 795 796 found = 0; 797 for (i = 0; i < meminfo->mem_c; i++) { 798 if (meminfo->mem[i].idx >= ARRAY_SIZE(cudbg_region)) 799 continue; /* Skip holes */ 800 801 if (!(meminfo->mem[i].limit)) 802 meminfo->mem[i].limit = 803 i < meminfo->mem_c - 1 ? 804 meminfo->mem[i + 1].base - 1 : ~0; 805 806 if (meminfo->mem[i].idx == idx) { 807 /* Check if the region exists in @mem_type memory */ 808 if (meminfo->mem[i].base < meminfo->avail[mc].base && 809 meminfo->mem[i].limit < meminfo->avail[mc].base) 810 return -EINVAL; 811 812 if (meminfo->mem[i].base > meminfo->avail[mc].limit) 813 return -EINVAL; 814 815 memcpy(mem_desc, &meminfo->mem[i], 816 sizeof(struct cudbg_mem_desc)); 817 found = 1; 818 break; 819 } 820 } 821 if (!found) 822 return -EINVAL; 823 824 return 0; 825 } 826 827 /* Fetch and update the start and end of the requested memory region w.r.t 0 828 * in the corresponding EDC/MC/HMA. 829 */ 830 static int cudbg_get_mem_relative(struct adapter *padap, 831 struct cudbg_meminfo *meminfo, 832 u8 mem_type, u32 *out_base, u32 *out_end) 833 { 834 u8 mc_idx; 835 int rc; 836 837 rc = cudbg_meminfo_get_mem_index(padap, meminfo, mem_type, &mc_idx); 838 if (rc) 839 return rc; 840 841 if (*out_base < meminfo->avail[mc_idx].base) 842 *out_base = 0; 843 else 844 *out_base -= meminfo->avail[mc_idx].base; 845 846 if (*out_end > meminfo->avail[mc_idx].limit) 847 *out_end = meminfo->avail[mc_idx].limit; 848 else 849 *out_end -= meminfo->avail[mc_idx].base; 850 851 return 0; 852 } 853 854 /* Get TX and RX Payload region */ 855 static int cudbg_get_payload_range(struct adapter *padap, u8 mem_type, 856 const char *region_name, 857 struct cudbg_region_info *payload) 858 { 859 struct cudbg_mem_desc mem_desc = { 0 }; 860 struct cudbg_meminfo meminfo; 861 int rc; 862 863 rc = cudbg_fill_meminfo(padap, &meminfo); 864 if (rc) 865 return rc; 866 867 rc = cudbg_get_mem_region(padap, &meminfo, mem_type, region_name, 868 &mem_desc); 869 if (rc) { 870 payload->exist = false; 871 return 0; 872 } 873 874 payload->exist = true; 875 payload->start = mem_desc.base; 876 payload->end = mem_desc.limit; 877 878 return cudbg_get_mem_relative(padap, &meminfo, mem_type, 879 &payload->start, &payload->end); 880 } 881 882 static int cudbg_memory_read(struct cudbg_init *pdbg_init, int win, 883 int mtype, u32 addr, u32 len, void *hbuf) 884 { 885 u32 win_pf, memoffset, mem_aperture, mem_base; 886 struct adapter *adap = pdbg_init->adap; 887 u32 pos, offset, resid; 888 u32 *res_buf; 889 u64 *buf; 890 int ret; 891 892 /* Argument sanity checks ... 893 */ 894 if (addr & 0x3 || (uintptr_t)hbuf & 0x3) 895 return -EINVAL; 896 897 buf = (u64 *)hbuf; 898 899 /* Try to do 64-bit reads. Residual will be handled later. */ 900 resid = len & 0x7; 901 len -= resid; 902 903 ret = t4_memory_rw_init(adap, win, mtype, &memoffset, &mem_base, 904 &mem_aperture); 905 if (ret) 906 return ret; 907 908 addr = addr + memoffset; 909 win_pf = is_t4(adap->params.chip) ? 0 : PFNUM_V(adap->pf); 910 911 pos = addr & ~(mem_aperture - 1); 912 offset = addr - pos; 913 914 /* Set up initial PCI-E Memory Window to cover the start of our 915 * transfer. 916 */ 917 t4_memory_update_win(adap, win, pos | win_pf); 918 919 /* Transfer data from the adapter */ 920 while (len > 0) { 921 *buf++ = le64_to_cpu((__force __le64) 922 t4_read_reg64(adap, mem_base + offset)); 923 offset += sizeof(u64); 924 len -= sizeof(u64); 925 926 /* If we've reached the end of our current window aperture, 927 * move the PCI-E Memory Window on to the next. 928 */ 929 if (offset == mem_aperture) { 930 pos += mem_aperture; 931 offset = 0; 932 t4_memory_update_win(adap, win, pos | win_pf); 933 } 934 } 935 936 res_buf = (u32 *)buf; 937 /* Read residual in 32-bit multiples */ 938 while (resid > sizeof(u32)) { 939 *res_buf++ = le32_to_cpu((__force __le32) 940 t4_read_reg(adap, mem_base + offset)); 941 offset += sizeof(u32); 942 resid -= sizeof(u32); 943 944 /* If we've reached the end of our current window aperture, 945 * move the PCI-E Memory Window on to the next. 946 */ 947 if (offset == mem_aperture) { 948 pos += mem_aperture; 949 offset = 0; 950 t4_memory_update_win(adap, win, pos | win_pf); 951 } 952 } 953 954 /* Transfer residual < 32-bits */ 955 if (resid) 956 t4_memory_rw_residual(adap, resid, mem_base + offset, 957 (u8 *)res_buf, T4_MEMORY_READ); 958 959 return 0; 960 } 961 962 #define CUDBG_YIELD_ITERATION 256 963 964 static int cudbg_read_fw_mem(struct cudbg_init *pdbg_init, 965 struct cudbg_buffer *dbg_buff, u8 mem_type, 966 unsigned long tot_len, 967 struct cudbg_error *cudbg_err) 968 { 969 static const char * const region_name[] = { "Tx payload:", 970 "Rx payload:" }; 971 unsigned long bytes, bytes_left, bytes_read = 0; 972 struct adapter *padap = pdbg_init->adap; 973 struct cudbg_buffer temp_buff = { 0 }; 974 struct cudbg_region_info payload[2]; 975 u32 yield_count = 0; 976 int rc = 0; 977 u8 i; 978 979 /* Get TX/RX Payload region range if they exist */ 980 memset(payload, 0, sizeof(payload)); 981 for (i = 0; i < ARRAY_SIZE(region_name); i++) { 982 rc = cudbg_get_payload_range(padap, mem_type, region_name[i], 983 &payload[i]); 984 if (rc) 985 return rc; 986 987 if (payload[i].exist) { 988 /* Align start and end to avoid wrap around */ 989 payload[i].start = roundup(payload[i].start, 990 CUDBG_CHUNK_SIZE); 991 payload[i].end = rounddown(payload[i].end, 992 CUDBG_CHUNK_SIZE); 993 } 994 } 995 996 bytes_left = tot_len; 997 while (bytes_left > 0) { 998 /* As MC size is huge and read through PIO access, this 999 * loop will hold cpu for a longer time. OS may think that 1000 * the process is hanged and will generate CPU stall traces. 1001 * So yield the cpu regularly. 1002 */ 1003 yield_count++; 1004 if (!(yield_count % CUDBG_YIELD_ITERATION)) 1005 schedule(); 1006 1007 bytes = min_t(unsigned long, bytes_left, 1008 (unsigned long)CUDBG_CHUNK_SIZE); 1009 rc = cudbg_get_buff(pdbg_init, dbg_buff, bytes, &temp_buff); 1010 if (rc) 1011 return rc; 1012 1013 for (i = 0; i < ARRAY_SIZE(payload); i++) 1014 if (payload[i].exist && 1015 bytes_read >= payload[i].start && 1016 bytes_read + bytes <= payload[i].end) 1017 /* TX and RX Payload regions can't overlap */ 1018 goto skip_read; 1019 1020 spin_lock(&padap->win0_lock); 1021 rc = cudbg_memory_read(pdbg_init, MEMWIN_NIC, mem_type, 1022 bytes_read, bytes, temp_buff.data); 1023 spin_unlock(&padap->win0_lock); 1024 if (rc) { 1025 cudbg_err->sys_err = rc; 1026 cudbg_put_buff(pdbg_init, &temp_buff); 1027 return rc; 1028 } 1029 1030 skip_read: 1031 bytes_left -= bytes; 1032 bytes_read += bytes; 1033 rc = cudbg_write_and_release_buff(pdbg_init, &temp_buff, 1034 dbg_buff); 1035 if (rc) { 1036 cudbg_put_buff(pdbg_init, &temp_buff); 1037 return rc; 1038 } 1039 } 1040 return rc; 1041 } 1042 1043 static void cudbg_t4_fwcache(struct cudbg_init *pdbg_init, 1044 struct cudbg_error *cudbg_err) 1045 { 1046 struct adapter *padap = pdbg_init->adap; 1047 int rc; 1048 1049 if (is_fw_attached(pdbg_init)) { 1050 /* Flush uP dcache before reading edcX/mcX */ 1051 rc = t4_fwcache(padap, FW_PARAM_DEV_FWCACHE_FLUSH); 1052 if (rc) 1053 cudbg_err->sys_warn = rc; 1054 } 1055 } 1056 1057 static unsigned long cudbg_mem_region_size(struct cudbg_init *pdbg_init, 1058 struct cudbg_error *cudbg_err, 1059 u8 mem_type) 1060 { 1061 struct adapter *padap = pdbg_init->adap; 1062 struct cudbg_meminfo mem_info; 1063 u8 mc_idx; 1064 int rc; 1065 1066 memset(&mem_info, 0, sizeof(struct cudbg_meminfo)); 1067 rc = cudbg_fill_meminfo(padap, &mem_info); 1068 if (rc) 1069 return rc; 1070 1071 cudbg_t4_fwcache(pdbg_init, cudbg_err); 1072 rc = cudbg_meminfo_get_mem_index(padap, &mem_info, mem_type, &mc_idx); 1073 if (rc) 1074 return rc; 1075 1076 return mem_info.avail[mc_idx].limit - mem_info.avail[mc_idx].base; 1077 } 1078 1079 static int cudbg_collect_mem_region(struct cudbg_init *pdbg_init, 1080 struct cudbg_buffer *dbg_buff, 1081 struct cudbg_error *cudbg_err, 1082 u8 mem_type) 1083 { 1084 unsigned long size = cudbg_mem_region_size(pdbg_init, cudbg_err, mem_type); 1085 1086 return cudbg_read_fw_mem(pdbg_init, dbg_buff, mem_type, size, 1087 cudbg_err); 1088 } 1089 1090 int cudbg_collect_edc0_meminfo(struct cudbg_init *pdbg_init, 1091 struct cudbg_buffer *dbg_buff, 1092 struct cudbg_error *cudbg_err) 1093 { 1094 return cudbg_collect_mem_region(pdbg_init, dbg_buff, cudbg_err, 1095 MEM_EDC0); 1096 } 1097 1098 int cudbg_collect_edc1_meminfo(struct cudbg_init *pdbg_init, 1099 struct cudbg_buffer *dbg_buff, 1100 struct cudbg_error *cudbg_err) 1101 { 1102 return cudbg_collect_mem_region(pdbg_init, dbg_buff, cudbg_err, 1103 MEM_EDC1); 1104 } 1105 1106 int cudbg_collect_mc0_meminfo(struct cudbg_init *pdbg_init, 1107 struct cudbg_buffer *dbg_buff, 1108 struct cudbg_error *cudbg_err) 1109 { 1110 return cudbg_collect_mem_region(pdbg_init, dbg_buff, cudbg_err, 1111 MEM_MC0); 1112 } 1113 1114 int cudbg_collect_mc1_meminfo(struct cudbg_init *pdbg_init, 1115 struct cudbg_buffer *dbg_buff, 1116 struct cudbg_error *cudbg_err) 1117 { 1118 return cudbg_collect_mem_region(pdbg_init, dbg_buff, cudbg_err, 1119 MEM_MC1); 1120 } 1121 1122 int cudbg_collect_hma_meminfo(struct cudbg_init *pdbg_init, 1123 struct cudbg_buffer *dbg_buff, 1124 struct cudbg_error *cudbg_err) 1125 { 1126 return cudbg_collect_mem_region(pdbg_init, dbg_buff, cudbg_err, 1127 MEM_HMA); 1128 } 1129 1130 int cudbg_collect_rss(struct cudbg_init *pdbg_init, 1131 struct cudbg_buffer *dbg_buff, 1132 struct cudbg_error *cudbg_err) 1133 { 1134 struct adapter *padap = pdbg_init->adap; 1135 struct cudbg_buffer temp_buff = { 0 }; 1136 int rc, nentries; 1137 1138 nentries = t4_chip_rss_size(padap); 1139 rc = cudbg_get_buff(pdbg_init, dbg_buff, nentries * sizeof(u16), 1140 &temp_buff); 1141 if (rc) 1142 return rc; 1143 1144 rc = t4_read_rss(padap, (u16 *)temp_buff.data); 1145 if (rc) { 1146 cudbg_err->sys_err = rc; 1147 cudbg_put_buff(pdbg_init, &temp_buff); 1148 return rc; 1149 } 1150 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 1151 } 1152 1153 int cudbg_collect_rss_vf_config(struct cudbg_init *pdbg_init, 1154 struct cudbg_buffer *dbg_buff, 1155 struct cudbg_error *cudbg_err) 1156 { 1157 struct adapter *padap = pdbg_init->adap; 1158 struct cudbg_buffer temp_buff = { 0 }; 1159 struct cudbg_rss_vf_conf *vfconf; 1160 int vf, rc, vf_count; 1161 1162 vf_count = padap->params.arch.vfcount; 1163 rc = cudbg_get_buff(pdbg_init, dbg_buff, 1164 vf_count * sizeof(struct cudbg_rss_vf_conf), 1165 &temp_buff); 1166 if (rc) 1167 return rc; 1168 1169 vfconf = (struct cudbg_rss_vf_conf *)temp_buff.data; 1170 for (vf = 0; vf < vf_count; vf++) 1171 t4_read_rss_vf_config(padap, vf, &vfconf[vf].rss_vf_vfl, 1172 &vfconf[vf].rss_vf_vfh, true); 1173 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 1174 } 1175 1176 int cudbg_collect_path_mtu(struct cudbg_init *pdbg_init, 1177 struct cudbg_buffer *dbg_buff, 1178 struct cudbg_error *cudbg_err) 1179 { 1180 struct adapter *padap = pdbg_init->adap; 1181 struct cudbg_buffer temp_buff = { 0 }; 1182 int rc; 1183 1184 rc = cudbg_get_buff(pdbg_init, dbg_buff, NMTUS * sizeof(u16), 1185 &temp_buff); 1186 if (rc) 1187 return rc; 1188 1189 t4_read_mtu_tbl(padap, (u16 *)temp_buff.data, NULL); 1190 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 1191 } 1192 1193 int cudbg_collect_pm_stats(struct cudbg_init *pdbg_init, 1194 struct cudbg_buffer *dbg_buff, 1195 struct cudbg_error *cudbg_err) 1196 { 1197 struct adapter *padap = pdbg_init->adap; 1198 struct cudbg_buffer temp_buff = { 0 }; 1199 struct cudbg_pm_stats *pm_stats_buff; 1200 int rc; 1201 1202 rc = cudbg_get_buff(pdbg_init, dbg_buff, sizeof(struct cudbg_pm_stats), 1203 &temp_buff); 1204 if (rc) 1205 return rc; 1206 1207 pm_stats_buff = (struct cudbg_pm_stats *)temp_buff.data; 1208 t4_pmtx_get_stats(padap, pm_stats_buff->tx_cnt, pm_stats_buff->tx_cyc); 1209 t4_pmrx_get_stats(padap, pm_stats_buff->rx_cnt, pm_stats_buff->rx_cyc); 1210 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 1211 } 1212 1213 int cudbg_collect_hw_sched(struct cudbg_init *pdbg_init, 1214 struct cudbg_buffer *dbg_buff, 1215 struct cudbg_error *cudbg_err) 1216 { 1217 struct adapter *padap = pdbg_init->adap; 1218 struct cudbg_buffer temp_buff = { 0 }; 1219 struct cudbg_hw_sched *hw_sched_buff; 1220 int i, rc = 0; 1221 1222 if (!padap->params.vpd.cclk) 1223 return CUDBG_STATUS_CCLK_NOT_DEFINED; 1224 1225 rc = cudbg_get_buff(pdbg_init, dbg_buff, sizeof(struct cudbg_hw_sched), 1226 &temp_buff); 1227 1228 if (rc) 1229 return rc; 1230 1231 hw_sched_buff = (struct cudbg_hw_sched *)temp_buff.data; 1232 hw_sched_buff->map = t4_read_reg(padap, TP_TX_MOD_QUEUE_REQ_MAP_A); 1233 hw_sched_buff->mode = TIMERMODE_G(t4_read_reg(padap, TP_MOD_CONFIG_A)); 1234 t4_read_pace_tbl(padap, hw_sched_buff->pace_tab); 1235 for (i = 0; i < NTX_SCHED; ++i) 1236 t4_get_tx_sched(padap, i, &hw_sched_buff->kbps[i], 1237 &hw_sched_buff->ipg[i], true); 1238 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 1239 } 1240 1241 int cudbg_collect_tp_indirect(struct cudbg_init *pdbg_init, 1242 struct cudbg_buffer *dbg_buff, 1243 struct cudbg_error *cudbg_err) 1244 { 1245 struct adapter *padap = pdbg_init->adap; 1246 struct cudbg_buffer temp_buff = { 0 }; 1247 struct ireg_buf *ch_tp_pio; 1248 int i, rc, n = 0; 1249 u32 size; 1250 1251 if (is_t5(padap->params.chip)) 1252 n = sizeof(t5_tp_pio_array) + 1253 sizeof(t5_tp_tm_pio_array) + 1254 sizeof(t5_tp_mib_index_array); 1255 else 1256 n = sizeof(t6_tp_pio_array) + 1257 sizeof(t6_tp_tm_pio_array) + 1258 sizeof(t6_tp_mib_index_array); 1259 1260 n = n / (IREG_NUM_ELEM * sizeof(u32)); 1261 size = sizeof(struct ireg_buf) * n; 1262 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff); 1263 if (rc) 1264 return rc; 1265 1266 ch_tp_pio = (struct ireg_buf *)temp_buff.data; 1267 1268 /* TP_PIO */ 1269 if (is_t5(padap->params.chip)) 1270 n = sizeof(t5_tp_pio_array) / (IREG_NUM_ELEM * sizeof(u32)); 1271 else if (is_t6(padap->params.chip)) 1272 n = sizeof(t6_tp_pio_array) / (IREG_NUM_ELEM * sizeof(u32)); 1273 1274 for (i = 0; i < n; i++) { 1275 struct ireg_field *tp_pio = &ch_tp_pio->tp_pio; 1276 u32 *buff = ch_tp_pio->outbuf; 1277 1278 if (is_t5(padap->params.chip)) { 1279 tp_pio->ireg_addr = t5_tp_pio_array[i][0]; 1280 tp_pio->ireg_data = t5_tp_pio_array[i][1]; 1281 tp_pio->ireg_local_offset = t5_tp_pio_array[i][2]; 1282 tp_pio->ireg_offset_range = t5_tp_pio_array[i][3]; 1283 } else if (is_t6(padap->params.chip)) { 1284 tp_pio->ireg_addr = t6_tp_pio_array[i][0]; 1285 tp_pio->ireg_data = t6_tp_pio_array[i][1]; 1286 tp_pio->ireg_local_offset = t6_tp_pio_array[i][2]; 1287 tp_pio->ireg_offset_range = t6_tp_pio_array[i][3]; 1288 } 1289 t4_tp_pio_read(padap, buff, tp_pio->ireg_offset_range, 1290 tp_pio->ireg_local_offset, true); 1291 ch_tp_pio++; 1292 } 1293 1294 /* TP_TM_PIO */ 1295 if (is_t5(padap->params.chip)) 1296 n = sizeof(t5_tp_tm_pio_array) / (IREG_NUM_ELEM * sizeof(u32)); 1297 else if (is_t6(padap->params.chip)) 1298 n = sizeof(t6_tp_tm_pio_array) / (IREG_NUM_ELEM * sizeof(u32)); 1299 1300 for (i = 0; i < n; i++) { 1301 struct ireg_field *tp_pio = &ch_tp_pio->tp_pio; 1302 u32 *buff = ch_tp_pio->outbuf; 1303 1304 if (is_t5(padap->params.chip)) { 1305 tp_pio->ireg_addr = t5_tp_tm_pio_array[i][0]; 1306 tp_pio->ireg_data = t5_tp_tm_pio_array[i][1]; 1307 tp_pio->ireg_local_offset = t5_tp_tm_pio_array[i][2]; 1308 tp_pio->ireg_offset_range = t5_tp_tm_pio_array[i][3]; 1309 } else if (is_t6(padap->params.chip)) { 1310 tp_pio->ireg_addr = t6_tp_tm_pio_array[i][0]; 1311 tp_pio->ireg_data = t6_tp_tm_pio_array[i][1]; 1312 tp_pio->ireg_local_offset = t6_tp_tm_pio_array[i][2]; 1313 tp_pio->ireg_offset_range = t6_tp_tm_pio_array[i][3]; 1314 } 1315 t4_tp_tm_pio_read(padap, buff, tp_pio->ireg_offset_range, 1316 tp_pio->ireg_local_offset, true); 1317 ch_tp_pio++; 1318 } 1319 1320 /* TP_MIB_INDEX */ 1321 if (is_t5(padap->params.chip)) 1322 n = sizeof(t5_tp_mib_index_array) / 1323 (IREG_NUM_ELEM * sizeof(u32)); 1324 else if (is_t6(padap->params.chip)) 1325 n = sizeof(t6_tp_mib_index_array) / 1326 (IREG_NUM_ELEM * sizeof(u32)); 1327 1328 for (i = 0; i < n ; i++) { 1329 struct ireg_field *tp_pio = &ch_tp_pio->tp_pio; 1330 u32 *buff = ch_tp_pio->outbuf; 1331 1332 if (is_t5(padap->params.chip)) { 1333 tp_pio->ireg_addr = t5_tp_mib_index_array[i][0]; 1334 tp_pio->ireg_data = t5_tp_mib_index_array[i][1]; 1335 tp_pio->ireg_local_offset = 1336 t5_tp_mib_index_array[i][2]; 1337 tp_pio->ireg_offset_range = 1338 t5_tp_mib_index_array[i][3]; 1339 } else if (is_t6(padap->params.chip)) { 1340 tp_pio->ireg_addr = t6_tp_mib_index_array[i][0]; 1341 tp_pio->ireg_data = t6_tp_mib_index_array[i][1]; 1342 tp_pio->ireg_local_offset = 1343 t6_tp_mib_index_array[i][2]; 1344 tp_pio->ireg_offset_range = 1345 t6_tp_mib_index_array[i][3]; 1346 } 1347 t4_tp_mib_read(padap, buff, tp_pio->ireg_offset_range, 1348 tp_pio->ireg_local_offset, true); 1349 ch_tp_pio++; 1350 } 1351 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 1352 } 1353 1354 static void cudbg_read_sge_qbase_indirect_reg(struct adapter *padap, 1355 struct sge_qbase_reg_field *qbase, 1356 u32 func, bool is_pf) 1357 { 1358 u32 *buff, i; 1359 1360 if (is_pf) { 1361 buff = qbase->pf_data_value[func]; 1362 } else { 1363 buff = qbase->vf_data_value[func]; 1364 /* In SGE_QBASE_INDEX, 1365 * Entries 0->7 are PF0->7, Entries 8->263 are VFID0->256. 1366 */ 1367 func += 8; 1368 } 1369 1370 t4_write_reg(padap, qbase->reg_addr, func); 1371 for (i = 0; i < SGE_QBASE_DATA_REG_NUM; i++, buff++) 1372 *buff = t4_read_reg(padap, qbase->reg_data[i]); 1373 } 1374 1375 int cudbg_collect_sge_indirect(struct cudbg_init *pdbg_init, 1376 struct cudbg_buffer *dbg_buff, 1377 struct cudbg_error *cudbg_err) 1378 { 1379 struct adapter *padap = pdbg_init->adap; 1380 struct cudbg_buffer temp_buff = { 0 }; 1381 struct sge_qbase_reg_field *sge_qbase; 1382 struct ireg_buf *ch_sge_dbg; 1383 int i, rc; 1384 1385 rc = cudbg_get_buff(pdbg_init, dbg_buff, 1386 sizeof(*ch_sge_dbg) * 2 + sizeof(*sge_qbase), 1387 &temp_buff); 1388 if (rc) 1389 return rc; 1390 1391 ch_sge_dbg = (struct ireg_buf *)temp_buff.data; 1392 for (i = 0; i < 2; i++) { 1393 struct ireg_field *sge_pio = &ch_sge_dbg->tp_pio; 1394 u32 *buff = ch_sge_dbg->outbuf; 1395 1396 sge_pio->ireg_addr = t5_sge_dbg_index_array[i][0]; 1397 sge_pio->ireg_data = t5_sge_dbg_index_array[i][1]; 1398 sge_pio->ireg_local_offset = t5_sge_dbg_index_array[i][2]; 1399 sge_pio->ireg_offset_range = t5_sge_dbg_index_array[i][3]; 1400 t4_read_indirect(padap, 1401 sge_pio->ireg_addr, 1402 sge_pio->ireg_data, 1403 buff, 1404 sge_pio->ireg_offset_range, 1405 sge_pio->ireg_local_offset); 1406 ch_sge_dbg++; 1407 } 1408 1409 if (CHELSIO_CHIP_VERSION(padap->params.chip) > CHELSIO_T5) { 1410 sge_qbase = (struct sge_qbase_reg_field *)ch_sge_dbg; 1411 /* 1 addr reg SGE_QBASE_INDEX and 4 data reg 1412 * SGE_QBASE_MAP[0-3] 1413 */ 1414 sge_qbase->reg_addr = t6_sge_qbase_index_array[0]; 1415 for (i = 0; i < SGE_QBASE_DATA_REG_NUM; i++) 1416 sge_qbase->reg_data[i] = 1417 t6_sge_qbase_index_array[i + 1]; 1418 1419 for (i = 0; i <= PCIE_FW_MASTER_M; i++) 1420 cudbg_read_sge_qbase_indirect_reg(padap, sge_qbase, 1421 i, true); 1422 1423 for (i = 0; i < padap->params.arch.vfcount; i++) 1424 cudbg_read_sge_qbase_indirect_reg(padap, sge_qbase, 1425 i, false); 1426 1427 sge_qbase->vfcount = padap->params.arch.vfcount; 1428 } 1429 1430 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 1431 } 1432 1433 int cudbg_collect_ulprx_la(struct cudbg_init *pdbg_init, 1434 struct cudbg_buffer *dbg_buff, 1435 struct cudbg_error *cudbg_err) 1436 { 1437 struct adapter *padap = pdbg_init->adap; 1438 struct cudbg_buffer temp_buff = { 0 }; 1439 struct cudbg_ulprx_la *ulprx_la_buff; 1440 int rc; 1441 1442 rc = cudbg_get_buff(pdbg_init, dbg_buff, sizeof(struct cudbg_ulprx_la), 1443 &temp_buff); 1444 if (rc) 1445 return rc; 1446 1447 ulprx_la_buff = (struct cudbg_ulprx_la *)temp_buff.data; 1448 t4_ulprx_read_la(padap, (u32 *)ulprx_la_buff->data); 1449 ulprx_la_buff->size = ULPRX_LA_SIZE; 1450 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 1451 } 1452 1453 int cudbg_collect_tp_la(struct cudbg_init *pdbg_init, 1454 struct cudbg_buffer *dbg_buff, 1455 struct cudbg_error *cudbg_err) 1456 { 1457 struct adapter *padap = pdbg_init->adap; 1458 struct cudbg_buffer temp_buff = { 0 }; 1459 struct cudbg_tp_la *tp_la_buff; 1460 int size, rc; 1461 1462 size = sizeof(struct cudbg_tp_la) + TPLA_SIZE * sizeof(u64); 1463 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff); 1464 if (rc) 1465 return rc; 1466 1467 tp_la_buff = (struct cudbg_tp_la *)temp_buff.data; 1468 tp_la_buff->mode = DBGLAMODE_G(t4_read_reg(padap, TP_DBG_LA_CONFIG_A)); 1469 t4_tp_read_la(padap, (u64 *)tp_la_buff->data, NULL); 1470 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 1471 } 1472 1473 int cudbg_collect_meminfo(struct cudbg_init *pdbg_init, 1474 struct cudbg_buffer *dbg_buff, 1475 struct cudbg_error *cudbg_err) 1476 { 1477 struct adapter *padap = pdbg_init->adap; 1478 struct cudbg_buffer temp_buff = { 0 }; 1479 struct cudbg_meminfo *meminfo_buff; 1480 struct cudbg_ver_hdr *ver_hdr; 1481 int rc; 1482 1483 rc = cudbg_get_buff(pdbg_init, dbg_buff, 1484 sizeof(struct cudbg_ver_hdr) + 1485 sizeof(struct cudbg_meminfo), 1486 &temp_buff); 1487 if (rc) 1488 return rc; 1489 1490 ver_hdr = (struct cudbg_ver_hdr *)temp_buff.data; 1491 ver_hdr->signature = CUDBG_ENTITY_SIGNATURE; 1492 ver_hdr->revision = CUDBG_MEMINFO_REV; 1493 ver_hdr->size = sizeof(struct cudbg_meminfo); 1494 1495 meminfo_buff = (struct cudbg_meminfo *)(temp_buff.data + 1496 sizeof(*ver_hdr)); 1497 rc = cudbg_fill_meminfo(padap, meminfo_buff); 1498 if (rc) { 1499 cudbg_err->sys_err = rc; 1500 cudbg_put_buff(pdbg_init, &temp_buff); 1501 return rc; 1502 } 1503 1504 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 1505 } 1506 1507 int cudbg_collect_cim_pif_la(struct cudbg_init *pdbg_init, 1508 struct cudbg_buffer *dbg_buff, 1509 struct cudbg_error *cudbg_err) 1510 { 1511 struct cudbg_cim_pif_la *cim_pif_la_buff; 1512 struct adapter *padap = pdbg_init->adap; 1513 struct cudbg_buffer temp_buff = { 0 }; 1514 int size, rc; 1515 1516 size = sizeof(struct cudbg_cim_pif_la) + 1517 2 * CIM_PIFLA_SIZE * 6 * sizeof(u32); 1518 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff); 1519 if (rc) 1520 return rc; 1521 1522 cim_pif_la_buff = (struct cudbg_cim_pif_la *)temp_buff.data; 1523 cim_pif_la_buff->size = CIM_PIFLA_SIZE; 1524 t4_cim_read_pif_la(padap, (u32 *)cim_pif_la_buff->data, 1525 (u32 *)cim_pif_la_buff->data + 6 * CIM_PIFLA_SIZE, 1526 NULL, NULL); 1527 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 1528 } 1529 1530 int cudbg_collect_clk_info(struct cudbg_init *pdbg_init, 1531 struct cudbg_buffer *dbg_buff, 1532 struct cudbg_error *cudbg_err) 1533 { 1534 struct adapter *padap = pdbg_init->adap; 1535 struct cudbg_buffer temp_buff = { 0 }; 1536 struct cudbg_clk_info *clk_info_buff; 1537 u64 tp_tick_us; 1538 int rc; 1539 1540 if (!padap->params.vpd.cclk) 1541 return CUDBG_STATUS_CCLK_NOT_DEFINED; 1542 1543 rc = cudbg_get_buff(pdbg_init, dbg_buff, sizeof(struct cudbg_clk_info), 1544 &temp_buff); 1545 if (rc) 1546 return rc; 1547 1548 clk_info_buff = (struct cudbg_clk_info *)temp_buff.data; 1549 clk_info_buff->cclk_ps = 1000000000 / padap->params.vpd.cclk; /* psec */ 1550 clk_info_buff->res = t4_read_reg(padap, TP_TIMER_RESOLUTION_A); 1551 clk_info_buff->tre = TIMERRESOLUTION_G(clk_info_buff->res); 1552 clk_info_buff->dack_re = DELAYEDACKRESOLUTION_G(clk_info_buff->res); 1553 tp_tick_us = (clk_info_buff->cclk_ps << clk_info_buff->tre) / 1000000; 1554 1555 clk_info_buff->dack_timer = 1556 (clk_info_buff->cclk_ps << clk_info_buff->dack_re) / 1000000 * 1557 t4_read_reg(padap, TP_DACK_TIMER_A); 1558 clk_info_buff->retransmit_min = 1559 tp_tick_us * t4_read_reg(padap, TP_RXT_MIN_A); 1560 clk_info_buff->retransmit_max = 1561 tp_tick_us * t4_read_reg(padap, TP_RXT_MAX_A); 1562 clk_info_buff->persist_timer_min = 1563 tp_tick_us * t4_read_reg(padap, TP_PERS_MIN_A); 1564 clk_info_buff->persist_timer_max = 1565 tp_tick_us * t4_read_reg(padap, TP_PERS_MAX_A); 1566 clk_info_buff->keepalive_idle_timer = 1567 tp_tick_us * t4_read_reg(padap, TP_KEEP_IDLE_A); 1568 clk_info_buff->keepalive_interval = 1569 tp_tick_us * t4_read_reg(padap, TP_KEEP_INTVL_A); 1570 clk_info_buff->initial_srtt = 1571 tp_tick_us * INITSRTT_G(t4_read_reg(padap, TP_INIT_SRTT_A)); 1572 clk_info_buff->finwait2_timer = 1573 tp_tick_us * t4_read_reg(padap, TP_FINWAIT2_TIMER_A); 1574 1575 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 1576 } 1577 1578 int cudbg_collect_pcie_indirect(struct cudbg_init *pdbg_init, 1579 struct cudbg_buffer *dbg_buff, 1580 struct cudbg_error *cudbg_err) 1581 { 1582 struct adapter *padap = pdbg_init->adap; 1583 struct cudbg_buffer temp_buff = { 0 }; 1584 struct ireg_buf *ch_pcie; 1585 int i, rc, n; 1586 u32 size; 1587 1588 n = sizeof(t5_pcie_pdbg_array) / (IREG_NUM_ELEM * sizeof(u32)); 1589 size = sizeof(struct ireg_buf) * n * 2; 1590 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff); 1591 if (rc) 1592 return rc; 1593 1594 ch_pcie = (struct ireg_buf *)temp_buff.data; 1595 /* PCIE_PDBG */ 1596 for (i = 0; i < n; i++) { 1597 struct ireg_field *pcie_pio = &ch_pcie->tp_pio; 1598 u32 *buff = ch_pcie->outbuf; 1599 1600 pcie_pio->ireg_addr = t5_pcie_pdbg_array[i][0]; 1601 pcie_pio->ireg_data = t5_pcie_pdbg_array[i][1]; 1602 pcie_pio->ireg_local_offset = t5_pcie_pdbg_array[i][2]; 1603 pcie_pio->ireg_offset_range = t5_pcie_pdbg_array[i][3]; 1604 t4_read_indirect(padap, 1605 pcie_pio->ireg_addr, 1606 pcie_pio->ireg_data, 1607 buff, 1608 pcie_pio->ireg_offset_range, 1609 pcie_pio->ireg_local_offset); 1610 ch_pcie++; 1611 } 1612 1613 /* PCIE_CDBG */ 1614 n = sizeof(t5_pcie_cdbg_array) / (IREG_NUM_ELEM * sizeof(u32)); 1615 for (i = 0; i < n; i++) { 1616 struct ireg_field *pcie_pio = &ch_pcie->tp_pio; 1617 u32 *buff = ch_pcie->outbuf; 1618 1619 pcie_pio->ireg_addr = t5_pcie_cdbg_array[i][0]; 1620 pcie_pio->ireg_data = t5_pcie_cdbg_array[i][1]; 1621 pcie_pio->ireg_local_offset = t5_pcie_cdbg_array[i][2]; 1622 pcie_pio->ireg_offset_range = t5_pcie_cdbg_array[i][3]; 1623 t4_read_indirect(padap, 1624 pcie_pio->ireg_addr, 1625 pcie_pio->ireg_data, 1626 buff, 1627 pcie_pio->ireg_offset_range, 1628 pcie_pio->ireg_local_offset); 1629 ch_pcie++; 1630 } 1631 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 1632 } 1633 1634 int cudbg_collect_pm_indirect(struct cudbg_init *pdbg_init, 1635 struct cudbg_buffer *dbg_buff, 1636 struct cudbg_error *cudbg_err) 1637 { 1638 struct adapter *padap = pdbg_init->adap; 1639 struct cudbg_buffer temp_buff = { 0 }; 1640 struct ireg_buf *ch_pm; 1641 int i, rc, n; 1642 u32 size; 1643 1644 n = sizeof(t5_pm_rx_array) / (IREG_NUM_ELEM * sizeof(u32)); 1645 size = sizeof(struct ireg_buf) * n * 2; 1646 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff); 1647 if (rc) 1648 return rc; 1649 1650 ch_pm = (struct ireg_buf *)temp_buff.data; 1651 /* PM_RX */ 1652 for (i = 0; i < n; i++) { 1653 struct ireg_field *pm_pio = &ch_pm->tp_pio; 1654 u32 *buff = ch_pm->outbuf; 1655 1656 pm_pio->ireg_addr = t5_pm_rx_array[i][0]; 1657 pm_pio->ireg_data = t5_pm_rx_array[i][1]; 1658 pm_pio->ireg_local_offset = t5_pm_rx_array[i][2]; 1659 pm_pio->ireg_offset_range = t5_pm_rx_array[i][3]; 1660 t4_read_indirect(padap, 1661 pm_pio->ireg_addr, 1662 pm_pio->ireg_data, 1663 buff, 1664 pm_pio->ireg_offset_range, 1665 pm_pio->ireg_local_offset); 1666 ch_pm++; 1667 } 1668 1669 /* PM_TX */ 1670 n = sizeof(t5_pm_tx_array) / (IREG_NUM_ELEM * sizeof(u32)); 1671 for (i = 0; i < n; i++) { 1672 struct ireg_field *pm_pio = &ch_pm->tp_pio; 1673 u32 *buff = ch_pm->outbuf; 1674 1675 pm_pio->ireg_addr = t5_pm_tx_array[i][0]; 1676 pm_pio->ireg_data = t5_pm_tx_array[i][1]; 1677 pm_pio->ireg_local_offset = t5_pm_tx_array[i][2]; 1678 pm_pio->ireg_offset_range = t5_pm_tx_array[i][3]; 1679 t4_read_indirect(padap, 1680 pm_pio->ireg_addr, 1681 pm_pio->ireg_data, 1682 buff, 1683 pm_pio->ireg_offset_range, 1684 pm_pio->ireg_local_offset); 1685 ch_pm++; 1686 } 1687 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 1688 } 1689 1690 int cudbg_collect_tid(struct cudbg_init *pdbg_init, 1691 struct cudbg_buffer *dbg_buff, 1692 struct cudbg_error *cudbg_err) 1693 { 1694 struct adapter *padap = pdbg_init->adap; 1695 struct cudbg_tid_info_region_rev1 *tid1; 1696 struct cudbg_buffer temp_buff = { 0 }; 1697 struct cudbg_tid_info_region *tid; 1698 u32 para[2], val[2]; 1699 int rc; 1700 1701 rc = cudbg_get_buff(pdbg_init, dbg_buff, 1702 sizeof(struct cudbg_tid_info_region_rev1), 1703 &temp_buff); 1704 if (rc) 1705 return rc; 1706 1707 tid1 = (struct cudbg_tid_info_region_rev1 *)temp_buff.data; 1708 tid = &tid1->tid; 1709 tid1->ver_hdr.signature = CUDBG_ENTITY_SIGNATURE; 1710 tid1->ver_hdr.revision = CUDBG_TID_INFO_REV; 1711 tid1->ver_hdr.size = sizeof(struct cudbg_tid_info_region_rev1) - 1712 sizeof(struct cudbg_ver_hdr); 1713 1714 /* If firmware is not attached/alive, use backdoor register 1715 * access to collect dump. 1716 */ 1717 if (!is_fw_attached(pdbg_init)) 1718 goto fill_tid; 1719 1720 #define FW_PARAM_PFVF_A(param) \ 1721 (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_PFVF) | \ 1722 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_PFVF_##param) | \ 1723 FW_PARAMS_PARAM_Y_V(0) | \ 1724 FW_PARAMS_PARAM_Z_V(0)) 1725 1726 para[0] = FW_PARAM_PFVF_A(ETHOFLD_START); 1727 para[1] = FW_PARAM_PFVF_A(ETHOFLD_END); 1728 rc = t4_query_params(padap, padap->mbox, padap->pf, 0, 2, para, val); 1729 if (rc < 0) { 1730 cudbg_err->sys_err = rc; 1731 cudbg_put_buff(pdbg_init, &temp_buff); 1732 return rc; 1733 } 1734 tid->uotid_base = val[0]; 1735 tid->nuotids = val[1] - val[0] + 1; 1736 1737 if (is_t5(padap->params.chip)) { 1738 tid->sb = t4_read_reg(padap, LE_DB_SERVER_INDEX_A) / 4; 1739 } else if (is_t6(padap->params.chip)) { 1740 tid1->tid_start = 1741 t4_read_reg(padap, LE_DB_ACTIVE_TABLE_START_INDEX_A); 1742 tid->sb = t4_read_reg(padap, LE_DB_SRVR_START_INDEX_A); 1743 1744 para[0] = FW_PARAM_PFVF_A(HPFILTER_START); 1745 para[1] = FW_PARAM_PFVF_A(HPFILTER_END); 1746 rc = t4_query_params(padap, padap->mbox, padap->pf, 0, 2, 1747 para, val); 1748 if (rc < 0) { 1749 cudbg_err->sys_err = rc; 1750 cudbg_put_buff(pdbg_init, &temp_buff); 1751 return rc; 1752 } 1753 tid->hpftid_base = val[0]; 1754 tid->nhpftids = val[1] - val[0] + 1; 1755 } 1756 1757 #undef FW_PARAM_PFVF_A 1758 1759 fill_tid: 1760 tid->ntids = padap->tids.ntids; 1761 tid->nstids = padap->tids.nstids; 1762 tid->stid_base = padap->tids.stid_base; 1763 tid->hash_base = padap->tids.hash_base; 1764 1765 tid->natids = padap->tids.natids; 1766 tid->nftids = padap->tids.nftids; 1767 tid->ftid_base = padap->tids.ftid_base; 1768 tid->aftid_base = padap->tids.aftid_base; 1769 tid->aftid_end = padap->tids.aftid_end; 1770 1771 tid->sftid_base = padap->tids.sftid_base; 1772 tid->nsftids = padap->tids.nsftids; 1773 1774 tid->flags = padap->flags; 1775 tid->le_db_conf = t4_read_reg(padap, LE_DB_CONFIG_A); 1776 tid->ip_users = t4_read_reg(padap, LE_DB_ACT_CNT_IPV4_A); 1777 tid->ipv6_users = t4_read_reg(padap, LE_DB_ACT_CNT_IPV6_A); 1778 1779 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 1780 } 1781 1782 int cudbg_collect_pcie_config(struct cudbg_init *pdbg_init, 1783 struct cudbg_buffer *dbg_buff, 1784 struct cudbg_error *cudbg_err) 1785 { 1786 struct adapter *padap = pdbg_init->adap; 1787 struct cudbg_buffer temp_buff = { 0 }; 1788 u32 size, *value, j; 1789 int i, rc, n; 1790 1791 size = sizeof(u32) * CUDBG_NUM_PCIE_CONFIG_REGS; 1792 n = sizeof(t5_pcie_config_array) / (2 * sizeof(u32)); 1793 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff); 1794 if (rc) 1795 return rc; 1796 1797 value = (u32 *)temp_buff.data; 1798 for (i = 0; i < n; i++) { 1799 for (j = t5_pcie_config_array[i][0]; 1800 j <= t5_pcie_config_array[i][1]; j += 4) { 1801 t4_hw_pci_read_cfg4(padap, j, value); 1802 value++; 1803 } 1804 } 1805 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 1806 } 1807 1808 static int cudbg_sge_ctxt_check_valid(u32 *buf, int type) 1809 { 1810 int index, bit, bit_pos = 0; 1811 1812 switch (type) { 1813 case CTXT_EGRESS: 1814 bit_pos = 176; 1815 break; 1816 case CTXT_INGRESS: 1817 bit_pos = 141; 1818 break; 1819 case CTXT_FLM: 1820 bit_pos = 89; 1821 break; 1822 } 1823 index = bit_pos / 32; 1824 bit = bit_pos % 32; 1825 return buf[index] & (1U << bit); 1826 } 1827 1828 static int cudbg_get_ctxt_region_info(struct adapter *padap, 1829 struct cudbg_region_info *ctx_info, 1830 u8 *mem_type) 1831 { 1832 struct cudbg_mem_desc mem_desc; 1833 struct cudbg_meminfo meminfo; 1834 u32 i, j, value, found; 1835 u8 flq; 1836 int rc; 1837 1838 rc = cudbg_fill_meminfo(padap, &meminfo); 1839 if (rc) 1840 return rc; 1841 1842 /* Get EGRESS and INGRESS context region size */ 1843 for (i = CTXT_EGRESS; i <= CTXT_INGRESS; i++) { 1844 found = 0; 1845 memset(&mem_desc, 0, sizeof(struct cudbg_mem_desc)); 1846 for (j = 0; j < ARRAY_SIZE(meminfo.avail); j++) { 1847 rc = cudbg_get_mem_region(padap, &meminfo, j, 1848 cudbg_region[i], 1849 &mem_desc); 1850 if (!rc) { 1851 found = 1; 1852 rc = cudbg_get_mem_relative(padap, &meminfo, j, 1853 &mem_desc.base, 1854 &mem_desc.limit); 1855 if (rc) { 1856 ctx_info[i].exist = false; 1857 break; 1858 } 1859 ctx_info[i].exist = true; 1860 ctx_info[i].start = mem_desc.base; 1861 ctx_info[i].end = mem_desc.limit; 1862 mem_type[i] = j; 1863 break; 1864 } 1865 } 1866 if (!found) 1867 ctx_info[i].exist = false; 1868 } 1869 1870 /* Get FLM and CNM max qid. */ 1871 value = t4_read_reg(padap, SGE_FLM_CFG_A); 1872 1873 /* Get number of data freelist queues */ 1874 flq = HDRSTARTFLQ_G(value); 1875 ctx_info[CTXT_FLM].exist = true; 1876 ctx_info[CTXT_FLM].end = (CUDBG_MAX_FL_QIDS >> flq) * SGE_CTXT_SIZE; 1877 1878 /* The number of CONM contexts are same as number of freelist 1879 * queues. 1880 */ 1881 ctx_info[CTXT_CNM].exist = true; 1882 ctx_info[CTXT_CNM].end = ctx_info[CTXT_FLM].end; 1883 1884 return 0; 1885 } 1886 1887 int cudbg_dump_context_size(struct adapter *padap) 1888 { 1889 struct cudbg_region_info region_info[CTXT_CNM + 1] = { {0} }; 1890 u8 mem_type[CTXT_INGRESS + 1] = { 0 }; 1891 u32 i, size = 0; 1892 int rc; 1893 1894 /* Get max valid qid for each type of queue */ 1895 rc = cudbg_get_ctxt_region_info(padap, region_info, mem_type); 1896 if (rc) 1897 return rc; 1898 1899 for (i = 0; i < CTXT_CNM; i++) { 1900 if (!region_info[i].exist) { 1901 if (i == CTXT_EGRESS || i == CTXT_INGRESS) 1902 size += CUDBG_LOWMEM_MAX_CTXT_QIDS * 1903 SGE_CTXT_SIZE; 1904 continue; 1905 } 1906 1907 size += (region_info[i].end - region_info[i].start + 1) / 1908 SGE_CTXT_SIZE; 1909 } 1910 return size * sizeof(struct cudbg_ch_cntxt); 1911 } 1912 1913 static void cudbg_read_sge_ctxt(struct cudbg_init *pdbg_init, u32 cid, 1914 enum ctxt_type ctype, u32 *data) 1915 { 1916 struct adapter *padap = pdbg_init->adap; 1917 int rc = -1; 1918 1919 /* Under heavy traffic, the SGE Queue contexts registers will be 1920 * frequently accessed by firmware. 1921 * 1922 * To avoid conflicts with firmware, always ask firmware to fetch 1923 * the SGE Queue contexts via mailbox. On failure, fallback to 1924 * accessing hardware registers directly. 1925 */ 1926 if (is_fw_attached(pdbg_init)) 1927 rc = t4_sge_ctxt_rd(padap, padap->mbox, cid, ctype, data); 1928 if (rc) 1929 t4_sge_ctxt_rd_bd(padap, cid, ctype, data); 1930 } 1931 1932 static void cudbg_get_sge_ctxt_fw(struct cudbg_init *pdbg_init, u32 max_qid, 1933 u8 ctxt_type, 1934 struct cudbg_ch_cntxt **out_buff) 1935 { 1936 struct cudbg_ch_cntxt *buff = *out_buff; 1937 int rc; 1938 u32 j; 1939 1940 for (j = 0; j < max_qid; j++) { 1941 cudbg_read_sge_ctxt(pdbg_init, j, ctxt_type, buff->data); 1942 rc = cudbg_sge_ctxt_check_valid(buff->data, ctxt_type); 1943 if (!rc) 1944 continue; 1945 1946 buff->cntxt_type = ctxt_type; 1947 buff->cntxt_id = j; 1948 buff++; 1949 if (ctxt_type == CTXT_FLM) { 1950 cudbg_read_sge_ctxt(pdbg_init, j, CTXT_CNM, buff->data); 1951 buff->cntxt_type = CTXT_CNM; 1952 buff->cntxt_id = j; 1953 buff++; 1954 } 1955 } 1956 1957 *out_buff = buff; 1958 } 1959 1960 int cudbg_collect_dump_context(struct cudbg_init *pdbg_init, 1961 struct cudbg_buffer *dbg_buff, 1962 struct cudbg_error *cudbg_err) 1963 { 1964 struct cudbg_region_info region_info[CTXT_CNM + 1] = { {0} }; 1965 struct adapter *padap = pdbg_init->adap; 1966 u32 j, size, max_ctx_size, max_ctx_qid; 1967 u8 mem_type[CTXT_INGRESS + 1] = { 0 }; 1968 struct cudbg_buffer temp_buff = { 0 }; 1969 struct cudbg_ch_cntxt *buff; 1970 u64 *dst_off, *src_off; 1971 u8 *ctx_buf; 1972 u8 i, k; 1973 int rc; 1974 1975 /* Get max valid qid for each type of queue */ 1976 rc = cudbg_get_ctxt_region_info(padap, region_info, mem_type); 1977 if (rc) 1978 return rc; 1979 1980 rc = cudbg_dump_context_size(padap); 1981 if (rc <= 0) 1982 return CUDBG_STATUS_ENTITY_NOT_FOUND; 1983 1984 size = rc; 1985 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff); 1986 if (rc) 1987 return rc; 1988 1989 /* Get buffer with enough space to read the biggest context 1990 * region in memory. 1991 */ 1992 max_ctx_size = max(region_info[CTXT_EGRESS].end - 1993 region_info[CTXT_EGRESS].start + 1, 1994 region_info[CTXT_INGRESS].end - 1995 region_info[CTXT_INGRESS].start + 1); 1996 1997 ctx_buf = kvzalloc(max_ctx_size, GFP_KERNEL); 1998 if (!ctx_buf) { 1999 cudbg_put_buff(pdbg_init, &temp_buff); 2000 return -ENOMEM; 2001 } 2002 2003 buff = (struct cudbg_ch_cntxt *)temp_buff.data; 2004 2005 /* Collect EGRESS and INGRESS context data. 2006 * In case of failures, fallback to collecting via FW or 2007 * backdoor access. 2008 */ 2009 for (i = CTXT_EGRESS; i <= CTXT_INGRESS; i++) { 2010 if (!region_info[i].exist) { 2011 max_ctx_qid = CUDBG_LOWMEM_MAX_CTXT_QIDS; 2012 cudbg_get_sge_ctxt_fw(pdbg_init, max_ctx_qid, i, 2013 &buff); 2014 continue; 2015 } 2016 2017 max_ctx_size = region_info[i].end - region_info[i].start + 1; 2018 max_ctx_qid = max_ctx_size / SGE_CTXT_SIZE; 2019 2020 /* If firmware is not attached/alive, use backdoor register 2021 * access to collect dump. 2022 */ 2023 if (is_fw_attached(pdbg_init)) { 2024 t4_sge_ctxt_flush(padap, padap->mbox, i); 2025 2026 rc = t4_memory_rw(padap, MEMWIN_NIC, mem_type[i], 2027 region_info[i].start, max_ctx_size, 2028 (__be32 *)ctx_buf, 1); 2029 } 2030 2031 if (rc || !is_fw_attached(pdbg_init)) { 2032 max_ctx_qid = CUDBG_LOWMEM_MAX_CTXT_QIDS; 2033 cudbg_get_sge_ctxt_fw(pdbg_init, max_ctx_qid, i, 2034 &buff); 2035 continue; 2036 } 2037 2038 for (j = 0; j < max_ctx_qid; j++) { 2039 src_off = (u64 *)(ctx_buf + j * SGE_CTXT_SIZE); 2040 dst_off = (u64 *)buff->data; 2041 2042 /* The data is stored in 64-bit cpu order. Convert it 2043 * to big endian before parsing. 2044 */ 2045 for (k = 0; k < SGE_CTXT_SIZE / sizeof(u64); k++) 2046 dst_off[k] = cpu_to_be64(src_off[k]); 2047 2048 rc = cudbg_sge_ctxt_check_valid(buff->data, i); 2049 if (!rc) 2050 continue; 2051 2052 buff->cntxt_type = i; 2053 buff->cntxt_id = j; 2054 buff++; 2055 } 2056 } 2057 2058 kvfree(ctx_buf); 2059 2060 /* Collect FREELIST and CONGESTION MANAGER contexts */ 2061 max_ctx_size = region_info[CTXT_FLM].end - 2062 region_info[CTXT_FLM].start + 1; 2063 max_ctx_qid = max_ctx_size / SGE_CTXT_SIZE; 2064 /* Since FLM and CONM are 1-to-1 mapped, the below function 2065 * will fetch both FLM and CONM contexts. 2066 */ 2067 cudbg_get_sge_ctxt_fw(pdbg_init, max_ctx_qid, CTXT_FLM, &buff); 2068 2069 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 2070 } 2071 2072 static inline void cudbg_tcamxy2valmask(u64 x, u64 y, u8 *addr, u64 *mask) 2073 { 2074 *mask = x | y; 2075 y = (__force u64)cpu_to_be64(y); 2076 memcpy(addr, (char *)&y + 2, ETH_ALEN); 2077 } 2078 2079 static void cudbg_mps_rpl_backdoor(struct adapter *padap, 2080 struct fw_ldst_mps_rplc *mps_rplc) 2081 { 2082 if (is_t5(padap->params.chip)) { 2083 mps_rplc->rplc255_224 = htonl(t4_read_reg(padap, 2084 MPS_VF_RPLCT_MAP3_A)); 2085 mps_rplc->rplc223_192 = htonl(t4_read_reg(padap, 2086 MPS_VF_RPLCT_MAP2_A)); 2087 mps_rplc->rplc191_160 = htonl(t4_read_reg(padap, 2088 MPS_VF_RPLCT_MAP1_A)); 2089 mps_rplc->rplc159_128 = htonl(t4_read_reg(padap, 2090 MPS_VF_RPLCT_MAP0_A)); 2091 } else { 2092 mps_rplc->rplc255_224 = htonl(t4_read_reg(padap, 2093 MPS_VF_RPLCT_MAP7_A)); 2094 mps_rplc->rplc223_192 = htonl(t4_read_reg(padap, 2095 MPS_VF_RPLCT_MAP6_A)); 2096 mps_rplc->rplc191_160 = htonl(t4_read_reg(padap, 2097 MPS_VF_RPLCT_MAP5_A)); 2098 mps_rplc->rplc159_128 = htonl(t4_read_reg(padap, 2099 MPS_VF_RPLCT_MAP4_A)); 2100 } 2101 mps_rplc->rplc127_96 = htonl(t4_read_reg(padap, MPS_VF_RPLCT_MAP3_A)); 2102 mps_rplc->rplc95_64 = htonl(t4_read_reg(padap, MPS_VF_RPLCT_MAP2_A)); 2103 mps_rplc->rplc63_32 = htonl(t4_read_reg(padap, MPS_VF_RPLCT_MAP1_A)); 2104 mps_rplc->rplc31_0 = htonl(t4_read_reg(padap, MPS_VF_RPLCT_MAP0_A)); 2105 } 2106 2107 static int cudbg_collect_tcam_index(struct cudbg_init *pdbg_init, 2108 struct cudbg_mps_tcam *tcam, u32 idx) 2109 { 2110 struct adapter *padap = pdbg_init->adap; 2111 u64 tcamy, tcamx, val; 2112 u32 ctl, data2; 2113 int rc = 0; 2114 2115 if (CHELSIO_CHIP_VERSION(padap->params.chip) >= CHELSIO_T6) { 2116 /* CtlReqID - 1: use Host Driver Requester ID 2117 * CtlCmdType - 0: Read, 1: Write 2118 * CtlTcamSel - 0: TCAM0, 1: TCAM1 2119 * CtlXYBitSel- 0: Y bit, 1: X bit 2120 */ 2121 2122 /* Read tcamy */ 2123 ctl = CTLREQID_V(1) | CTLCMDTYPE_V(0) | CTLXYBITSEL_V(0); 2124 if (idx < 256) 2125 ctl |= CTLTCAMINDEX_V(idx) | CTLTCAMSEL_V(0); 2126 else 2127 ctl |= CTLTCAMINDEX_V(idx - 256) | CTLTCAMSEL_V(1); 2128 2129 t4_write_reg(padap, MPS_CLS_TCAM_DATA2_CTL_A, ctl); 2130 val = t4_read_reg(padap, MPS_CLS_TCAM_RDATA1_REQ_ID1_A); 2131 tcamy = DMACH_G(val) << 32; 2132 tcamy |= t4_read_reg(padap, MPS_CLS_TCAM_RDATA0_REQ_ID1_A); 2133 data2 = t4_read_reg(padap, MPS_CLS_TCAM_RDATA2_REQ_ID1_A); 2134 tcam->lookup_type = DATALKPTYPE_G(data2); 2135 2136 /* 0 - Outer header, 1 - Inner header 2137 * [71:48] bit locations are overloaded for 2138 * outer vs. inner lookup types. 2139 */ 2140 if (tcam->lookup_type && tcam->lookup_type != DATALKPTYPE_M) { 2141 /* Inner header VNI */ 2142 tcam->vniy = (data2 & DATAVIDH2_F) | DATAVIDH1_G(data2); 2143 tcam->vniy = (tcam->vniy << 16) | VIDL_G(val); 2144 tcam->dip_hit = data2 & DATADIPHIT_F; 2145 } else { 2146 tcam->vlan_vld = data2 & DATAVIDH2_F; 2147 tcam->ivlan = VIDL_G(val); 2148 } 2149 2150 tcam->port_num = DATAPORTNUM_G(data2); 2151 2152 /* Read tcamx. Change the control param */ 2153 ctl |= CTLXYBITSEL_V(1); 2154 t4_write_reg(padap, MPS_CLS_TCAM_DATA2_CTL_A, ctl); 2155 val = t4_read_reg(padap, MPS_CLS_TCAM_RDATA1_REQ_ID1_A); 2156 tcamx = DMACH_G(val) << 32; 2157 tcamx |= t4_read_reg(padap, MPS_CLS_TCAM_RDATA0_REQ_ID1_A); 2158 data2 = t4_read_reg(padap, MPS_CLS_TCAM_RDATA2_REQ_ID1_A); 2159 if (tcam->lookup_type && tcam->lookup_type != DATALKPTYPE_M) { 2160 /* Inner header VNI mask */ 2161 tcam->vnix = (data2 & DATAVIDH2_F) | DATAVIDH1_G(data2); 2162 tcam->vnix = (tcam->vnix << 16) | VIDL_G(val); 2163 } 2164 } else { 2165 tcamy = t4_read_reg64(padap, MPS_CLS_TCAM_Y_L(idx)); 2166 tcamx = t4_read_reg64(padap, MPS_CLS_TCAM_X_L(idx)); 2167 } 2168 2169 /* If no entry, return */ 2170 if (tcamx & tcamy) 2171 return rc; 2172 2173 tcam->cls_lo = t4_read_reg(padap, MPS_CLS_SRAM_L(idx)); 2174 tcam->cls_hi = t4_read_reg(padap, MPS_CLS_SRAM_H(idx)); 2175 2176 if (is_t5(padap->params.chip)) 2177 tcam->repli = (tcam->cls_lo & REPLICATE_F); 2178 else if (is_t6(padap->params.chip)) 2179 tcam->repli = (tcam->cls_lo & T6_REPLICATE_F); 2180 2181 if (tcam->repli) { 2182 struct fw_ldst_cmd ldst_cmd; 2183 struct fw_ldst_mps_rplc mps_rplc; 2184 2185 memset(&ldst_cmd, 0, sizeof(ldst_cmd)); 2186 ldst_cmd.op_to_addrspace = 2187 htonl(FW_CMD_OP_V(FW_LDST_CMD) | 2188 FW_CMD_REQUEST_F | FW_CMD_READ_F | 2189 FW_LDST_CMD_ADDRSPACE_V(FW_LDST_ADDRSPC_MPS)); 2190 ldst_cmd.cycles_to_len16 = htonl(FW_LEN16(ldst_cmd)); 2191 ldst_cmd.u.mps.rplc.fid_idx = 2192 htons(FW_LDST_CMD_FID_V(FW_LDST_MPS_RPLC) | 2193 FW_LDST_CMD_IDX_V(idx)); 2194 2195 /* If firmware is not attached/alive, use backdoor register 2196 * access to collect dump. 2197 */ 2198 if (is_fw_attached(pdbg_init)) 2199 rc = t4_wr_mbox(padap, padap->mbox, &ldst_cmd, 2200 sizeof(ldst_cmd), &ldst_cmd); 2201 2202 if (rc || !is_fw_attached(pdbg_init)) { 2203 cudbg_mps_rpl_backdoor(padap, &mps_rplc); 2204 /* Ignore error since we collected directly from 2205 * reading registers. 2206 */ 2207 rc = 0; 2208 } else { 2209 mps_rplc = ldst_cmd.u.mps.rplc; 2210 } 2211 2212 tcam->rplc[0] = ntohl(mps_rplc.rplc31_0); 2213 tcam->rplc[1] = ntohl(mps_rplc.rplc63_32); 2214 tcam->rplc[2] = ntohl(mps_rplc.rplc95_64); 2215 tcam->rplc[3] = ntohl(mps_rplc.rplc127_96); 2216 if (padap->params.arch.mps_rplc_size > CUDBG_MAX_RPLC_SIZE) { 2217 tcam->rplc[4] = ntohl(mps_rplc.rplc159_128); 2218 tcam->rplc[5] = ntohl(mps_rplc.rplc191_160); 2219 tcam->rplc[6] = ntohl(mps_rplc.rplc223_192); 2220 tcam->rplc[7] = ntohl(mps_rplc.rplc255_224); 2221 } 2222 } 2223 cudbg_tcamxy2valmask(tcamx, tcamy, tcam->addr, &tcam->mask); 2224 tcam->idx = idx; 2225 tcam->rplc_size = padap->params.arch.mps_rplc_size; 2226 return rc; 2227 } 2228 2229 int cudbg_collect_mps_tcam(struct cudbg_init *pdbg_init, 2230 struct cudbg_buffer *dbg_buff, 2231 struct cudbg_error *cudbg_err) 2232 { 2233 struct adapter *padap = pdbg_init->adap; 2234 struct cudbg_buffer temp_buff = { 0 }; 2235 u32 size = 0, i, n, total_size = 0; 2236 struct cudbg_mps_tcam *tcam; 2237 int rc; 2238 2239 n = padap->params.arch.mps_tcam_size; 2240 size = sizeof(struct cudbg_mps_tcam) * n; 2241 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff); 2242 if (rc) 2243 return rc; 2244 2245 tcam = (struct cudbg_mps_tcam *)temp_buff.data; 2246 for (i = 0; i < n; i++) { 2247 rc = cudbg_collect_tcam_index(pdbg_init, tcam, i); 2248 if (rc) { 2249 cudbg_err->sys_err = rc; 2250 cudbg_put_buff(pdbg_init, &temp_buff); 2251 return rc; 2252 } 2253 total_size += sizeof(struct cudbg_mps_tcam); 2254 tcam++; 2255 } 2256 2257 if (!total_size) { 2258 rc = CUDBG_SYSTEM_ERROR; 2259 cudbg_err->sys_err = rc; 2260 cudbg_put_buff(pdbg_init, &temp_buff); 2261 return rc; 2262 } 2263 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 2264 } 2265 2266 int cudbg_collect_vpd_data(struct cudbg_init *pdbg_init, 2267 struct cudbg_buffer *dbg_buff, 2268 struct cudbg_error *cudbg_err) 2269 { 2270 struct adapter *padap = pdbg_init->adap; 2271 struct cudbg_buffer temp_buff = { 0 }; 2272 char vpd_str[CUDBG_VPD_VER_LEN + 1]; 2273 u32 scfg_vers, vpd_vers, fw_vers; 2274 struct cudbg_vpd_data *vpd_data; 2275 struct vpd_params vpd = { 0 }; 2276 int rc, ret; 2277 2278 rc = t4_get_raw_vpd_params(padap, &vpd); 2279 if (rc) 2280 return rc; 2281 2282 rc = t4_get_fw_version(padap, &fw_vers); 2283 if (rc) 2284 return rc; 2285 2286 /* Serial Configuration Version is located beyond the PF's vpd size. 2287 * Temporarily give access to entire EEPROM to get it. 2288 */ 2289 rc = pci_set_vpd_size(padap->pdev, EEPROMVSIZE); 2290 if (rc < 0) 2291 return rc; 2292 2293 ret = cudbg_read_vpd_reg(padap, CUDBG_SCFG_VER_ADDR, CUDBG_SCFG_VER_LEN, 2294 &scfg_vers); 2295 2296 /* Restore back to original PF's vpd size */ 2297 rc = pci_set_vpd_size(padap->pdev, CUDBG_VPD_PF_SIZE); 2298 if (rc < 0) 2299 return rc; 2300 2301 if (ret) 2302 return ret; 2303 2304 rc = cudbg_read_vpd_reg(padap, CUDBG_VPD_VER_ADDR, CUDBG_VPD_VER_LEN, 2305 vpd_str); 2306 if (rc) 2307 return rc; 2308 2309 vpd_str[CUDBG_VPD_VER_LEN] = '\0'; 2310 rc = kstrtouint(vpd_str, 0, &vpd_vers); 2311 if (rc) 2312 return rc; 2313 2314 rc = cudbg_get_buff(pdbg_init, dbg_buff, sizeof(struct cudbg_vpd_data), 2315 &temp_buff); 2316 if (rc) 2317 return rc; 2318 2319 vpd_data = (struct cudbg_vpd_data *)temp_buff.data; 2320 memcpy(vpd_data->sn, vpd.sn, SERNUM_LEN + 1); 2321 memcpy(vpd_data->bn, vpd.pn, PN_LEN + 1); 2322 memcpy(vpd_data->na, vpd.na, MACADDR_LEN + 1); 2323 memcpy(vpd_data->mn, vpd.id, ID_LEN + 1); 2324 vpd_data->scfg_vers = scfg_vers; 2325 vpd_data->vpd_vers = vpd_vers; 2326 vpd_data->fw_major = FW_HDR_FW_VER_MAJOR_G(fw_vers); 2327 vpd_data->fw_minor = FW_HDR_FW_VER_MINOR_G(fw_vers); 2328 vpd_data->fw_micro = FW_HDR_FW_VER_MICRO_G(fw_vers); 2329 vpd_data->fw_build = FW_HDR_FW_VER_BUILD_G(fw_vers); 2330 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 2331 } 2332 2333 static int cudbg_read_tid(struct cudbg_init *pdbg_init, u32 tid, 2334 struct cudbg_tid_data *tid_data) 2335 { 2336 struct adapter *padap = pdbg_init->adap; 2337 int i, cmd_retry = 8; 2338 u32 val; 2339 2340 /* Fill REQ_DATA regs with 0's */ 2341 for (i = 0; i < NUM_LE_DB_DBGI_REQ_DATA_INSTANCES; i++) 2342 t4_write_reg(padap, LE_DB_DBGI_REQ_DATA_A + (i << 2), 0); 2343 2344 /* Write DBIG command */ 2345 val = DBGICMD_V(4) | DBGITID_V(tid); 2346 t4_write_reg(padap, LE_DB_DBGI_REQ_TCAM_CMD_A, val); 2347 tid_data->dbig_cmd = val; 2348 2349 val = DBGICMDSTRT_F | DBGICMDMODE_V(1); /* LE mode */ 2350 t4_write_reg(padap, LE_DB_DBGI_CONFIG_A, val); 2351 tid_data->dbig_conf = val; 2352 2353 /* Poll the DBGICMDBUSY bit */ 2354 val = 1; 2355 while (val) { 2356 val = t4_read_reg(padap, LE_DB_DBGI_CONFIG_A); 2357 val = val & DBGICMDBUSY_F; 2358 cmd_retry--; 2359 if (!cmd_retry) 2360 return CUDBG_SYSTEM_ERROR; 2361 } 2362 2363 /* Check RESP status */ 2364 val = t4_read_reg(padap, LE_DB_DBGI_RSP_STATUS_A); 2365 tid_data->dbig_rsp_stat = val; 2366 if (!(val & 1)) 2367 return CUDBG_SYSTEM_ERROR; 2368 2369 /* Read RESP data */ 2370 for (i = 0; i < NUM_LE_DB_DBGI_RSP_DATA_INSTANCES; i++) 2371 tid_data->data[i] = t4_read_reg(padap, 2372 LE_DB_DBGI_RSP_DATA_A + 2373 (i << 2)); 2374 tid_data->tid = tid; 2375 return 0; 2376 } 2377 2378 static int cudbg_get_le_type(u32 tid, struct cudbg_tcam tcam_region) 2379 { 2380 int type = LE_ET_UNKNOWN; 2381 2382 if (tid < tcam_region.server_start) 2383 type = LE_ET_TCAM_CON; 2384 else if (tid < tcam_region.filter_start) 2385 type = LE_ET_TCAM_SERVER; 2386 else if (tid < tcam_region.clip_start) 2387 type = LE_ET_TCAM_FILTER; 2388 else if (tid < tcam_region.routing_start) 2389 type = LE_ET_TCAM_CLIP; 2390 else if (tid < tcam_region.tid_hash_base) 2391 type = LE_ET_TCAM_ROUTING; 2392 else if (tid < tcam_region.max_tid) 2393 type = LE_ET_HASH_CON; 2394 else 2395 type = LE_ET_INVALID_TID; 2396 2397 return type; 2398 } 2399 2400 static int cudbg_is_ipv6_entry(struct cudbg_tid_data *tid_data, 2401 struct cudbg_tcam tcam_region) 2402 { 2403 int ipv6 = 0; 2404 int le_type; 2405 2406 le_type = cudbg_get_le_type(tid_data->tid, tcam_region); 2407 if (tid_data->tid & 1) 2408 return 0; 2409 2410 if (le_type == LE_ET_HASH_CON) { 2411 ipv6 = tid_data->data[16] & 0x8000; 2412 } else if (le_type == LE_ET_TCAM_CON) { 2413 ipv6 = tid_data->data[16] & 0x8000; 2414 if (ipv6) 2415 ipv6 = tid_data->data[9] == 0x00C00000; 2416 } else { 2417 ipv6 = 0; 2418 } 2419 return ipv6; 2420 } 2421 2422 void cudbg_fill_le_tcam_info(struct adapter *padap, 2423 struct cudbg_tcam *tcam_region) 2424 { 2425 u32 value; 2426 2427 /* Get the LE regions */ 2428 value = t4_read_reg(padap, LE_DB_TID_HASHBASE_A); /* hash base index */ 2429 tcam_region->tid_hash_base = value; 2430 2431 /* Get routing table index */ 2432 value = t4_read_reg(padap, LE_DB_ROUTING_TABLE_INDEX_A); 2433 tcam_region->routing_start = value; 2434 2435 /* Get clip table index. For T6 there is separate CLIP TCAM */ 2436 if (is_t6(padap->params.chip)) 2437 value = t4_read_reg(padap, LE_DB_CLCAM_TID_BASE_A); 2438 else 2439 value = t4_read_reg(padap, LE_DB_CLIP_TABLE_INDEX_A); 2440 tcam_region->clip_start = value; 2441 2442 /* Get filter table index */ 2443 value = t4_read_reg(padap, LE_DB_FILTER_TABLE_INDEX_A); 2444 tcam_region->filter_start = value; 2445 2446 /* Get server table index */ 2447 value = t4_read_reg(padap, LE_DB_SERVER_INDEX_A); 2448 tcam_region->server_start = value; 2449 2450 /* Check whether hash is enabled and calculate the max tids */ 2451 value = t4_read_reg(padap, LE_DB_CONFIG_A); 2452 if ((value >> HASHEN_S) & 1) { 2453 value = t4_read_reg(padap, LE_DB_HASH_CONFIG_A); 2454 if (CHELSIO_CHIP_VERSION(padap->params.chip) > CHELSIO_T5) { 2455 tcam_region->max_tid = (value & 0xFFFFF) + 2456 tcam_region->tid_hash_base; 2457 } else { 2458 value = HASHTIDSIZE_G(value); 2459 value = 1 << value; 2460 tcam_region->max_tid = value + 2461 tcam_region->tid_hash_base; 2462 } 2463 } else { /* hash not enabled */ 2464 if (is_t6(padap->params.chip)) 2465 tcam_region->max_tid = (value & ASLIPCOMPEN_F) ? 2466 CUDBG_MAX_TID_COMP_EN : 2467 CUDBG_MAX_TID_COMP_DIS; 2468 else 2469 tcam_region->max_tid = CUDBG_MAX_TCAM_TID; 2470 } 2471 2472 if (is_t6(padap->params.chip)) 2473 tcam_region->max_tid += CUDBG_T6_CLIP; 2474 } 2475 2476 int cudbg_collect_le_tcam(struct cudbg_init *pdbg_init, 2477 struct cudbg_buffer *dbg_buff, 2478 struct cudbg_error *cudbg_err) 2479 { 2480 struct adapter *padap = pdbg_init->adap; 2481 struct cudbg_buffer temp_buff = { 0 }; 2482 struct cudbg_tcam tcam_region = { 0 }; 2483 struct cudbg_tid_data *tid_data; 2484 u32 bytes = 0; 2485 int rc, size; 2486 u32 i; 2487 2488 cudbg_fill_le_tcam_info(padap, &tcam_region); 2489 2490 size = sizeof(struct cudbg_tid_data) * tcam_region.max_tid; 2491 size += sizeof(struct cudbg_tcam); 2492 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff); 2493 if (rc) 2494 return rc; 2495 2496 memcpy(temp_buff.data, &tcam_region, sizeof(struct cudbg_tcam)); 2497 bytes = sizeof(struct cudbg_tcam); 2498 tid_data = (struct cudbg_tid_data *)(temp_buff.data + bytes); 2499 /* read all tid */ 2500 for (i = 0; i < tcam_region.max_tid; ) { 2501 rc = cudbg_read_tid(pdbg_init, i, tid_data); 2502 if (rc) { 2503 cudbg_err->sys_warn = CUDBG_STATUS_PARTIAL_DATA; 2504 /* Update tcam header and exit */ 2505 tcam_region.max_tid = i; 2506 memcpy(temp_buff.data, &tcam_region, 2507 sizeof(struct cudbg_tcam)); 2508 goto out; 2509 } 2510 2511 if (cudbg_is_ipv6_entry(tid_data, tcam_region)) { 2512 /* T6 CLIP TCAM: ipv6 takes 4 entries */ 2513 if (is_t6(padap->params.chip) && 2514 i >= tcam_region.clip_start && 2515 i < tcam_region.clip_start + CUDBG_T6_CLIP) 2516 i += 4; 2517 else /* Main TCAM: ipv6 takes two tids */ 2518 i += 2; 2519 } else { 2520 i++; 2521 } 2522 2523 tid_data++; 2524 bytes += sizeof(struct cudbg_tid_data); 2525 } 2526 2527 out: 2528 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 2529 } 2530 2531 int cudbg_collect_cctrl(struct cudbg_init *pdbg_init, 2532 struct cudbg_buffer *dbg_buff, 2533 struct cudbg_error *cudbg_err) 2534 { 2535 struct adapter *padap = pdbg_init->adap; 2536 struct cudbg_buffer temp_buff = { 0 }; 2537 u32 size; 2538 int rc; 2539 2540 size = sizeof(u16) * NMTUS * NCCTRL_WIN; 2541 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff); 2542 if (rc) 2543 return rc; 2544 2545 t4_read_cong_tbl(padap, (void *)temp_buff.data); 2546 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 2547 } 2548 2549 int cudbg_collect_ma_indirect(struct cudbg_init *pdbg_init, 2550 struct cudbg_buffer *dbg_buff, 2551 struct cudbg_error *cudbg_err) 2552 { 2553 struct adapter *padap = pdbg_init->adap; 2554 struct cudbg_buffer temp_buff = { 0 }; 2555 struct ireg_buf *ma_indr; 2556 int i, rc, n; 2557 u32 size, j; 2558 2559 if (CHELSIO_CHIP_VERSION(padap->params.chip) < CHELSIO_T6) 2560 return CUDBG_STATUS_ENTITY_NOT_FOUND; 2561 2562 n = sizeof(t6_ma_ireg_array) / (IREG_NUM_ELEM * sizeof(u32)); 2563 size = sizeof(struct ireg_buf) * n * 2; 2564 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff); 2565 if (rc) 2566 return rc; 2567 2568 ma_indr = (struct ireg_buf *)temp_buff.data; 2569 for (i = 0; i < n; i++) { 2570 struct ireg_field *ma_fli = &ma_indr->tp_pio; 2571 u32 *buff = ma_indr->outbuf; 2572 2573 ma_fli->ireg_addr = t6_ma_ireg_array[i][0]; 2574 ma_fli->ireg_data = t6_ma_ireg_array[i][1]; 2575 ma_fli->ireg_local_offset = t6_ma_ireg_array[i][2]; 2576 ma_fli->ireg_offset_range = t6_ma_ireg_array[i][3]; 2577 t4_read_indirect(padap, ma_fli->ireg_addr, ma_fli->ireg_data, 2578 buff, ma_fli->ireg_offset_range, 2579 ma_fli->ireg_local_offset); 2580 ma_indr++; 2581 } 2582 2583 n = sizeof(t6_ma_ireg_array2) / (IREG_NUM_ELEM * sizeof(u32)); 2584 for (i = 0; i < n; i++) { 2585 struct ireg_field *ma_fli = &ma_indr->tp_pio; 2586 u32 *buff = ma_indr->outbuf; 2587 2588 ma_fli->ireg_addr = t6_ma_ireg_array2[i][0]; 2589 ma_fli->ireg_data = t6_ma_ireg_array2[i][1]; 2590 ma_fli->ireg_local_offset = t6_ma_ireg_array2[i][2]; 2591 for (j = 0; j < t6_ma_ireg_array2[i][3]; j++) { 2592 t4_read_indirect(padap, ma_fli->ireg_addr, 2593 ma_fli->ireg_data, buff, 1, 2594 ma_fli->ireg_local_offset); 2595 buff++; 2596 ma_fli->ireg_local_offset += 0x20; 2597 } 2598 ma_indr++; 2599 } 2600 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 2601 } 2602 2603 int cudbg_collect_ulptx_la(struct cudbg_init *pdbg_init, 2604 struct cudbg_buffer *dbg_buff, 2605 struct cudbg_error *cudbg_err) 2606 { 2607 struct adapter *padap = pdbg_init->adap; 2608 struct cudbg_buffer temp_buff = { 0 }; 2609 struct cudbg_ulptx_la *ulptx_la_buff; 2610 struct cudbg_ver_hdr *ver_hdr; 2611 u32 i, j; 2612 int rc; 2613 2614 rc = cudbg_get_buff(pdbg_init, dbg_buff, 2615 sizeof(struct cudbg_ver_hdr) + 2616 sizeof(struct cudbg_ulptx_la), 2617 &temp_buff); 2618 if (rc) 2619 return rc; 2620 2621 ver_hdr = (struct cudbg_ver_hdr *)temp_buff.data; 2622 ver_hdr->signature = CUDBG_ENTITY_SIGNATURE; 2623 ver_hdr->revision = CUDBG_ULPTX_LA_REV; 2624 ver_hdr->size = sizeof(struct cudbg_ulptx_la); 2625 2626 ulptx_la_buff = (struct cudbg_ulptx_la *)(temp_buff.data + 2627 sizeof(*ver_hdr)); 2628 for (i = 0; i < CUDBG_NUM_ULPTX; i++) { 2629 ulptx_la_buff->rdptr[i] = t4_read_reg(padap, 2630 ULP_TX_LA_RDPTR_0_A + 2631 0x10 * i); 2632 ulptx_la_buff->wrptr[i] = t4_read_reg(padap, 2633 ULP_TX_LA_WRPTR_0_A + 2634 0x10 * i); 2635 ulptx_la_buff->rddata[i] = t4_read_reg(padap, 2636 ULP_TX_LA_RDDATA_0_A + 2637 0x10 * i); 2638 for (j = 0; j < CUDBG_NUM_ULPTX_READ; j++) 2639 ulptx_la_buff->rd_data[i][j] = 2640 t4_read_reg(padap, 2641 ULP_TX_LA_RDDATA_0_A + 0x10 * i); 2642 } 2643 2644 for (i = 0; i < CUDBG_NUM_ULPTX_ASIC_READ; i++) { 2645 t4_write_reg(padap, ULP_TX_ASIC_DEBUG_CTRL_A, 0x1); 2646 ulptx_la_buff->rdptr_asic[i] = 2647 t4_read_reg(padap, ULP_TX_ASIC_DEBUG_CTRL_A); 2648 ulptx_la_buff->rddata_asic[i][0] = 2649 t4_read_reg(padap, ULP_TX_ASIC_DEBUG_0_A); 2650 ulptx_la_buff->rddata_asic[i][1] = 2651 t4_read_reg(padap, ULP_TX_ASIC_DEBUG_1_A); 2652 ulptx_la_buff->rddata_asic[i][2] = 2653 t4_read_reg(padap, ULP_TX_ASIC_DEBUG_2_A); 2654 ulptx_la_buff->rddata_asic[i][3] = 2655 t4_read_reg(padap, ULP_TX_ASIC_DEBUG_3_A); 2656 ulptx_la_buff->rddata_asic[i][4] = 2657 t4_read_reg(padap, ULP_TX_ASIC_DEBUG_4_A); 2658 ulptx_la_buff->rddata_asic[i][5] = 2659 t4_read_reg(padap, PM_RX_BASE_ADDR); 2660 } 2661 2662 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 2663 } 2664 2665 int cudbg_collect_up_cim_indirect(struct cudbg_init *pdbg_init, 2666 struct cudbg_buffer *dbg_buff, 2667 struct cudbg_error *cudbg_err) 2668 { 2669 struct adapter *padap = pdbg_init->adap; 2670 struct cudbg_buffer temp_buff = { 0 }; 2671 u32 local_offset, local_range; 2672 struct ireg_buf *up_cim; 2673 u32 size, j, iter; 2674 u32 instance = 0; 2675 int i, rc, n; 2676 2677 if (is_t5(padap->params.chip)) 2678 n = sizeof(t5_up_cim_reg_array) / 2679 ((IREG_NUM_ELEM + 1) * sizeof(u32)); 2680 else if (is_t6(padap->params.chip)) 2681 n = sizeof(t6_up_cim_reg_array) / 2682 ((IREG_NUM_ELEM + 1) * sizeof(u32)); 2683 else 2684 return CUDBG_STATUS_NOT_IMPLEMENTED; 2685 2686 size = sizeof(struct ireg_buf) * n; 2687 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff); 2688 if (rc) 2689 return rc; 2690 2691 up_cim = (struct ireg_buf *)temp_buff.data; 2692 for (i = 0; i < n; i++) { 2693 struct ireg_field *up_cim_reg = &up_cim->tp_pio; 2694 u32 *buff = up_cim->outbuf; 2695 2696 if (is_t5(padap->params.chip)) { 2697 up_cim_reg->ireg_addr = t5_up_cim_reg_array[i][0]; 2698 up_cim_reg->ireg_data = t5_up_cim_reg_array[i][1]; 2699 up_cim_reg->ireg_local_offset = 2700 t5_up_cim_reg_array[i][2]; 2701 up_cim_reg->ireg_offset_range = 2702 t5_up_cim_reg_array[i][3]; 2703 instance = t5_up_cim_reg_array[i][4]; 2704 } else if (is_t6(padap->params.chip)) { 2705 up_cim_reg->ireg_addr = t6_up_cim_reg_array[i][0]; 2706 up_cim_reg->ireg_data = t6_up_cim_reg_array[i][1]; 2707 up_cim_reg->ireg_local_offset = 2708 t6_up_cim_reg_array[i][2]; 2709 up_cim_reg->ireg_offset_range = 2710 t6_up_cim_reg_array[i][3]; 2711 instance = t6_up_cim_reg_array[i][4]; 2712 } 2713 2714 switch (instance) { 2715 case NUM_CIM_CTL_TSCH_CHANNEL_INSTANCES: 2716 iter = up_cim_reg->ireg_offset_range; 2717 local_offset = 0x120; 2718 local_range = 1; 2719 break; 2720 case NUM_CIM_CTL_TSCH_CHANNEL_TSCH_CLASS_INSTANCES: 2721 iter = up_cim_reg->ireg_offset_range; 2722 local_offset = 0x10; 2723 local_range = 1; 2724 break; 2725 default: 2726 iter = 1; 2727 local_offset = 0; 2728 local_range = up_cim_reg->ireg_offset_range; 2729 break; 2730 } 2731 2732 for (j = 0; j < iter; j++, buff++) { 2733 rc = t4_cim_read(padap, 2734 up_cim_reg->ireg_local_offset + 2735 (j * local_offset), local_range, buff); 2736 if (rc) { 2737 cudbg_put_buff(pdbg_init, &temp_buff); 2738 return rc; 2739 } 2740 } 2741 up_cim++; 2742 } 2743 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 2744 } 2745 2746 int cudbg_collect_pbt_tables(struct cudbg_init *pdbg_init, 2747 struct cudbg_buffer *dbg_buff, 2748 struct cudbg_error *cudbg_err) 2749 { 2750 struct adapter *padap = pdbg_init->adap; 2751 struct cudbg_buffer temp_buff = { 0 }; 2752 struct cudbg_pbt_tables *pbt; 2753 int i, rc; 2754 u32 addr; 2755 2756 rc = cudbg_get_buff(pdbg_init, dbg_buff, 2757 sizeof(struct cudbg_pbt_tables), 2758 &temp_buff); 2759 if (rc) 2760 return rc; 2761 2762 pbt = (struct cudbg_pbt_tables *)temp_buff.data; 2763 /* PBT dynamic entries */ 2764 addr = CUDBG_CHAC_PBT_ADDR; 2765 for (i = 0; i < CUDBG_PBT_DYNAMIC_ENTRIES; i++) { 2766 rc = t4_cim_read(padap, addr + (i * 4), 1, 2767 &pbt->pbt_dynamic[i]); 2768 if (rc) { 2769 cudbg_err->sys_err = rc; 2770 cudbg_put_buff(pdbg_init, &temp_buff); 2771 return rc; 2772 } 2773 } 2774 2775 /* PBT static entries */ 2776 /* static entries start when bit 6 is set */ 2777 addr = CUDBG_CHAC_PBT_ADDR + (1 << 6); 2778 for (i = 0; i < CUDBG_PBT_STATIC_ENTRIES; i++) { 2779 rc = t4_cim_read(padap, addr + (i * 4), 1, 2780 &pbt->pbt_static[i]); 2781 if (rc) { 2782 cudbg_err->sys_err = rc; 2783 cudbg_put_buff(pdbg_init, &temp_buff); 2784 return rc; 2785 } 2786 } 2787 2788 /* LRF entries */ 2789 addr = CUDBG_CHAC_PBT_LRF; 2790 for (i = 0; i < CUDBG_LRF_ENTRIES; i++) { 2791 rc = t4_cim_read(padap, addr + (i * 4), 1, 2792 &pbt->lrf_table[i]); 2793 if (rc) { 2794 cudbg_err->sys_err = rc; 2795 cudbg_put_buff(pdbg_init, &temp_buff); 2796 return rc; 2797 } 2798 } 2799 2800 /* PBT data entries */ 2801 addr = CUDBG_CHAC_PBT_DATA; 2802 for (i = 0; i < CUDBG_PBT_DATA_ENTRIES; i++) { 2803 rc = t4_cim_read(padap, addr + (i * 4), 1, 2804 &pbt->pbt_data[i]); 2805 if (rc) { 2806 cudbg_err->sys_err = rc; 2807 cudbg_put_buff(pdbg_init, &temp_buff); 2808 return rc; 2809 } 2810 } 2811 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 2812 } 2813 2814 int cudbg_collect_mbox_log(struct cudbg_init *pdbg_init, 2815 struct cudbg_buffer *dbg_buff, 2816 struct cudbg_error *cudbg_err) 2817 { 2818 struct adapter *padap = pdbg_init->adap; 2819 struct cudbg_mbox_log *mboxlog = NULL; 2820 struct cudbg_buffer temp_buff = { 0 }; 2821 struct mbox_cmd_log *log = NULL; 2822 struct mbox_cmd *entry; 2823 unsigned int entry_idx; 2824 u16 mbox_cmds; 2825 int i, k, rc; 2826 u64 flit; 2827 u32 size; 2828 2829 log = padap->mbox_log; 2830 mbox_cmds = padap->mbox_log->size; 2831 size = sizeof(struct cudbg_mbox_log) * mbox_cmds; 2832 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff); 2833 if (rc) 2834 return rc; 2835 2836 mboxlog = (struct cudbg_mbox_log *)temp_buff.data; 2837 for (k = 0; k < mbox_cmds; k++) { 2838 entry_idx = log->cursor + k; 2839 if (entry_idx >= log->size) 2840 entry_idx -= log->size; 2841 2842 entry = mbox_cmd_log_entry(log, entry_idx); 2843 /* skip over unused entries */ 2844 if (entry->timestamp == 0) 2845 continue; 2846 2847 memcpy(&mboxlog->entry, entry, sizeof(struct mbox_cmd)); 2848 for (i = 0; i < MBOX_LEN / 8; i++) { 2849 flit = entry->cmd[i]; 2850 mboxlog->hi[i] = (u32)(flit >> 32); 2851 mboxlog->lo[i] = (u32)flit; 2852 } 2853 mboxlog++; 2854 } 2855 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 2856 } 2857 2858 int cudbg_collect_hma_indirect(struct cudbg_init *pdbg_init, 2859 struct cudbg_buffer *dbg_buff, 2860 struct cudbg_error *cudbg_err) 2861 { 2862 struct adapter *padap = pdbg_init->adap; 2863 struct cudbg_buffer temp_buff = { 0 }; 2864 struct ireg_buf *hma_indr; 2865 int i, rc, n; 2866 u32 size; 2867 2868 if (CHELSIO_CHIP_VERSION(padap->params.chip) < CHELSIO_T6) 2869 return CUDBG_STATUS_ENTITY_NOT_FOUND; 2870 2871 n = sizeof(t6_hma_ireg_array) / (IREG_NUM_ELEM * sizeof(u32)); 2872 size = sizeof(struct ireg_buf) * n; 2873 rc = cudbg_get_buff(pdbg_init, dbg_buff, size, &temp_buff); 2874 if (rc) 2875 return rc; 2876 2877 hma_indr = (struct ireg_buf *)temp_buff.data; 2878 for (i = 0; i < n; i++) { 2879 struct ireg_field *hma_fli = &hma_indr->tp_pio; 2880 u32 *buff = hma_indr->outbuf; 2881 2882 hma_fli->ireg_addr = t6_hma_ireg_array[i][0]; 2883 hma_fli->ireg_data = t6_hma_ireg_array[i][1]; 2884 hma_fli->ireg_local_offset = t6_hma_ireg_array[i][2]; 2885 hma_fli->ireg_offset_range = t6_hma_ireg_array[i][3]; 2886 t4_read_indirect(padap, hma_fli->ireg_addr, hma_fli->ireg_data, 2887 buff, hma_fli->ireg_offset_range, 2888 hma_fli->ireg_local_offset); 2889 hma_indr++; 2890 } 2891 return cudbg_write_and_release_buff(pdbg_init, &temp_buff, dbg_buff); 2892 } 2893 2894 void cudbg_fill_qdesc_num_and_size(const struct adapter *padap, 2895 u32 *num, u32 *size) 2896 { 2897 u32 tot_entries = 0, tot_size = 0; 2898 2899 /* NIC TXQ, RXQ, FLQ, and CTRLQ */ 2900 tot_entries += MAX_ETH_QSETS * 3; 2901 tot_entries += MAX_CTRL_QUEUES; 2902 2903 tot_size += MAX_ETH_QSETS * MAX_TXQ_ENTRIES * MAX_TXQ_DESC_SIZE; 2904 tot_size += MAX_ETH_QSETS * MAX_RSPQ_ENTRIES * MAX_RXQ_DESC_SIZE; 2905 tot_size += MAX_ETH_QSETS * MAX_RX_BUFFERS * MAX_FL_DESC_SIZE; 2906 tot_size += MAX_CTRL_QUEUES * MAX_CTRL_TXQ_ENTRIES * 2907 MAX_CTRL_TXQ_DESC_SIZE; 2908 2909 /* FW_EVTQ and INTRQ */ 2910 tot_entries += INGQ_EXTRAS; 2911 tot_size += INGQ_EXTRAS * MAX_RSPQ_ENTRIES * MAX_RXQ_DESC_SIZE; 2912 2913 /* PTP_TXQ */ 2914 tot_entries += 1; 2915 tot_size += MAX_TXQ_ENTRIES * MAX_TXQ_DESC_SIZE; 2916 2917 /* ULD TXQ, RXQ, and FLQ */ 2918 tot_entries += CXGB4_TX_MAX * MAX_OFLD_QSETS; 2919 tot_entries += CXGB4_ULD_MAX * MAX_ULD_QSETS * 2; 2920 2921 tot_size += CXGB4_TX_MAX * MAX_OFLD_QSETS * MAX_TXQ_ENTRIES * 2922 MAX_TXQ_DESC_SIZE; 2923 tot_size += CXGB4_ULD_MAX * MAX_ULD_QSETS * MAX_RSPQ_ENTRIES * 2924 MAX_RXQ_DESC_SIZE; 2925 tot_size += CXGB4_ULD_MAX * MAX_ULD_QSETS * MAX_RX_BUFFERS * 2926 MAX_FL_DESC_SIZE; 2927 2928 /* ULD CIQ */ 2929 tot_entries += CXGB4_ULD_MAX * MAX_ULD_QSETS; 2930 tot_size += CXGB4_ULD_MAX * MAX_ULD_QSETS * SGE_MAX_IQ_SIZE * 2931 MAX_RXQ_DESC_SIZE; 2932 2933 tot_size += sizeof(struct cudbg_ver_hdr) + 2934 sizeof(struct cudbg_qdesc_info) + 2935 sizeof(struct cudbg_qdesc_entry) * tot_entries; 2936 2937 if (num) 2938 *num = tot_entries; 2939 2940 if (size) 2941 *size = tot_size; 2942 } 2943 2944 int cudbg_collect_qdesc(struct cudbg_init *pdbg_init, 2945 struct cudbg_buffer *dbg_buff, 2946 struct cudbg_error *cudbg_err) 2947 { 2948 u32 num_queues = 0, tot_entries = 0, size = 0; 2949 struct adapter *padap = pdbg_init->adap; 2950 struct cudbg_buffer temp_buff = { 0 }; 2951 struct cudbg_qdesc_entry *qdesc_entry; 2952 struct cudbg_qdesc_info *qdesc_info; 2953 struct cudbg_ver_hdr *ver_hdr; 2954 struct sge *s = &padap->sge; 2955 u32 i, j, cur_off, tot_len; 2956 u8 *data; 2957 int rc; 2958 2959 cudbg_fill_qdesc_num_and_size(padap, &tot_entries, &size); 2960 size = min_t(u32, size, CUDBG_DUMP_BUFF_SIZE); 2961 tot_len = size; 2962 data = kvzalloc(size, GFP_KERNEL); 2963 if (!data) 2964 return -ENOMEM; 2965 2966 ver_hdr = (struct cudbg_ver_hdr *)data; 2967 ver_hdr->signature = CUDBG_ENTITY_SIGNATURE; 2968 ver_hdr->revision = CUDBG_QDESC_REV; 2969 ver_hdr->size = sizeof(struct cudbg_qdesc_info); 2970 size -= sizeof(*ver_hdr); 2971 2972 qdesc_info = (struct cudbg_qdesc_info *)(data + 2973 sizeof(*ver_hdr)); 2974 size -= sizeof(*qdesc_info); 2975 qdesc_entry = (struct cudbg_qdesc_entry *)qdesc_info->data; 2976 2977 #define QDESC_GET(q, desc, type, label) do { \ 2978 if (size <= 0) { \ 2979 goto label; \ 2980 } \ 2981 if (desc) { \ 2982 cudbg_fill_qdesc_##q(q, type, qdesc_entry); \ 2983 size -= sizeof(*qdesc_entry) + qdesc_entry->data_size; \ 2984 num_queues++; \ 2985 qdesc_entry = cudbg_next_qdesc(qdesc_entry); \ 2986 } \ 2987 } while (0) 2988 2989 #define QDESC_GET_TXQ(q, type, label) do { \ 2990 struct sge_txq *txq = (struct sge_txq *)q; \ 2991 QDESC_GET(txq, txq->desc, type, label); \ 2992 } while (0) 2993 2994 #define QDESC_GET_RXQ(q, type, label) do { \ 2995 struct sge_rspq *rxq = (struct sge_rspq *)q; \ 2996 QDESC_GET(rxq, rxq->desc, type, label); \ 2997 } while (0) 2998 2999 #define QDESC_GET_FLQ(q, type, label) do { \ 3000 struct sge_fl *flq = (struct sge_fl *)q; \ 3001 QDESC_GET(flq, flq->desc, type, label); \ 3002 } while (0) 3003 3004 /* NIC TXQ */ 3005 for (i = 0; i < s->ethqsets; i++) 3006 QDESC_GET_TXQ(&s->ethtxq[i].q, CUDBG_QTYPE_NIC_TXQ, out); 3007 3008 /* NIC RXQ */ 3009 for (i = 0; i < s->ethqsets; i++) 3010 QDESC_GET_RXQ(&s->ethrxq[i].rspq, CUDBG_QTYPE_NIC_RXQ, out); 3011 3012 /* NIC FLQ */ 3013 for (i = 0; i < s->ethqsets; i++) 3014 QDESC_GET_FLQ(&s->ethrxq[i].fl, CUDBG_QTYPE_NIC_FLQ, out); 3015 3016 /* NIC CTRLQ */ 3017 for (i = 0; i < padap->params.nports; i++) 3018 QDESC_GET_TXQ(&s->ctrlq[i].q, CUDBG_QTYPE_CTRLQ, out); 3019 3020 /* FW_EVTQ */ 3021 QDESC_GET_RXQ(&s->fw_evtq, CUDBG_QTYPE_FWEVTQ, out); 3022 3023 /* INTRQ */ 3024 QDESC_GET_RXQ(&s->intrq, CUDBG_QTYPE_INTRQ, out); 3025 3026 /* PTP_TXQ */ 3027 QDESC_GET_TXQ(&s->ptptxq.q, CUDBG_QTYPE_PTP_TXQ, out); 3028 3029 /* ULD Queues */ 3030 mutex_lock(&uld_mutex); 3031 3032 if (s->uld_txq_info) { 3033 struct sge_uld_txq_info *utxq; 3034 3035 /* ULD TXQ */ 3036 for (j = 0; j < CXGB4_TX_MAX; j++) { 3037 if (!s->uld_txq_info[j]) 3038 continue; 3039 3040 utxq = s->uld_txq_info[j]; 3041 for (i = 0; i < utxq->ntxq; i++) 3042 QDESC_GET_TXQ(&utxq->uldtxq[i].q, 3043 cudbg_uld_txq_to_qtype(j), 3044 out_unlock); 3045 } 3046 } 3047 3048 if (s->uld_rxq_info) { 3049 struct sge_uld_rxq_info *urxq; 3050 u32 base; 3051 3052 /* ULD RXQ */ 3053 for (j = 0; j < CXGB4_ULD_MAX; j++) { 3054 if (!s->uld_rxq_info[j]) 3055 continue; 3056 3057 urxq = s->uld_rxq_info[j]; 3058 for (i = 0; i < urxq->nrxq; i++) 3059 QDESC_GET_RXQ(&urxq->uldrxq[i].rspq, 3060 cudbg_uld_rxq_to_qtype(j), 3061 out_unlock); 3062 } 3063 3064 /* ULD FLQ */ 3065 for (j = 0; j < CXGB4_ULD_MAX; j++) { 3066 if (!s->uld_rxq_info[j]) 3067 continue; 3068 3069 urxq = s->uld_rxq_info[j]; 3070 for (i = 0; i < urxq->nrxq; i++) 3071 QDESC_GET_FLQ(&urxq->uldrxq[i].fl, 3072 cudbg_uld_flq_to_qtype(j), 3073 out_unlock); 3074 } 3075 3076 /* ULD CIQ */ 3077 for (j = 0; j < CXGB4_ULD_MAX; j++) { 3078 if (!s->uld_rxq_info[j]) 3079 continue; 3080 3081 urxq = s->uld_rxq_info[j]; 3082 base = urxq->nrxq; 3083 for (i = 0; i < urxq->nciq; i++) 3084 QDESC_GET_RXQ(&urxq->uldrxq[base + i].rspq, 3085 cudbg_uld_ciq_to_qtype(j), 3086 out_unlock); 3087 } 3088 } 3089 3090 out_unlock: 3091 mutex_unlock(&uld_mutex); 3092 3093 out: 3094 qdesc_info->qdesc_entry_size = sizeof(*qdesc_entry); 3095 qdesc_info->num_queues = num_queues; 3096 cur_off = 0; 3097 while (tot_len) { 3098 u32 chunk_size = min_t(u32, tot_len, CUDBG_CHUNK_SIZE); 3099 3100 rc = cudbg_get_buff(pdbg_init, dbg_buff, chunk_size, 3101 &temp_buff); 3102 if (rc) { 3103 cudbg_err->sys_warn = CUDBG_STATUS_PARTIAL_DATA; 3104 goto out_free; 3105 } 3106 3107 memcpy(temp_buff.data, data + cur_off, chunk_size); 3108 tot_len -= chunk_size; 3109 cur_off += chunk_size; 3110 rc = cudbg_write_and_release_buff(pdbg_init, &temp_buff, 3111 dbg_buff); 3112 if (rc) { 3113 cudbg_put_buff(pdbg_init, &temp_buff); 3114 cudbg_err->sys_warn = CUDBG_STATUS_PARTIAL_DATA; 3115 goto out_free; 3116 } 3117 } 3118 3119 out_free: 3120 if (data) 3121 kvfree(data); 3122 3123 #undef QDESC_GET_FLQ 3124 #undef QDESC_GET_RXQ 3125 #undef QDESC_GET_TXQ 3126 #undef QDESC_GET 3127 3128 return rc; 3129 } 3130