1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) 2 /* QLogic qed NIC Driver 3 * Copyright (c) 2015-2017 QLogic Corporation 4 * Copyright (c) 2019-2020 Marvell International Ltd. 5 */ 6 7 #include <linux/types.h> 8 #include <asm/byteorder.h> 9 #include <linux/io.h> 10 #include <linux/delay.h> 11 #include <linux/dma-mapping.h> 12 #include <linux/errno.h> 13 #include <linux/kernel.h> 14 #include <linux/mutex.h> 15 #include <linux/pci.h> 16 #include <linux/slab.h> 17 #include <linux/string.h> 18 #include <linux/vmalloc.h> 19 #include <linux/etherdevice.h> 20 #include <linux/qed/qed_chain.h> 21 #include <linux/qed/qed_if.h> 22 #include "qed.h" 23 #include "qed_cxt.h" 24 #include "qed_dcbx.h" 25 #include "qed_dev_api.h" 26 #include "qed_fcoe.h" 27 #include "qed_hsi.h" 28 #include "qed_iro_hsi.h" 29 #include "qed_hw.h" 30 #include "qed_init_ops.h" 31 #include "qed_int.h" 32 #include "qed_iscsi.h" 33 #include "qed_ll2.h" 34 #include "qed_mcp.h" 35 #include "qed_ooo.h" 36 #include "qed_reg_addr.h" 37 #include "qed_sp.h" 38 #include "qed_sriov.h" 39 #include "qed_vf.h" 40 #include "qed_rdma.h" 41 #include "qed_nvmetcp.h" 42 43 static DEFINE_SPINLOCK(qm_lock); 44 45 /******************** Doorbell Recovery *******************/ 46 /* The doorbell recovery mechanism consists of a list of entries which represent 47 * doorbelling entities (l2 queues, roce sq/rq/cqs, the slowpath spq, etc). Each 48 * entity needs to register with the mechanism and provide the parameters 49 * describing it's doorbell, including a location where last used doorbell data 50 * can be found. The doorbell execute function will traverse the list and 51 * doorbell all of the registered entries. 52 */ 53 struct qed_db_recovery_entry { 54 struct list_head list_entry; 55 void __iomem *db_addr; 56 void *db_data; 57 enum qed_db_rec_width db_width; 58 enum qed_db_rec_space db_space; 59 u8 hwfn_idx; 60 }; 61 62 /* Display a single doorbell recovery entry */ 63 static void qed_db_recovery_dp_entry(struct qed_hwfn *p_hwfn, 64 struct qed_db_recovery_entry *db_entry, 65 char *action) 66 { 67 DP_VERBOSE(p_hwfn, 68 QED_MSG_SPQ, 69 "(%s: db_entry %p, addr %p, data %p, width %s, %s space, hwfn %d)\n", 70 action, 71 db_entry, 72 db_entry->db_addr, 73 db_entry->db_data, 74 db_entry->db_width == DB_REC_WIDTH_32B ? "32b" : "64b", 75 db_entry->db_space == DB_REC_USER ? "user" : "kernel", 76 db_entry->hwfn_idx); 77 } 78 79 /* Doorbell address sanity (address within doorbell bar range) */ 80 static bool qed_db_rec_sanity(struct qed_dev *cdev, 81 void __iomem *db_addr, 82 enum qed_db_rec_width db_width, 83 void *db_data) 84 { 85 u32 width = (db_width == DB_REC_WIDTH_32B) ? 32 : 64; 86 87 /* Make sure doorbell address is within the doorbell bar */ 88 if (db_addr < cdev->doorbells || 89 (u8 __iomem *)db_addr + width > 90 (u8 __iomem *)cdev->doorbells + cdev->db_size) { 91 WARN(true, 92 "Illegal doorbell address: %p. Legal range for doorbell addresses is [%p..%p]\n", 93 db_addr, 94 cdev->doorbells, 95 (u8 __iomem *)cdev->doorbells + cdev->db_size); 96 return false; 97 } 98 99 /* ake sure doorbell data pointer is not null */ 100 if (!db_data) { 101 WARN(true, "Illegal doorbell data pointer: %p", db_data); 102 return false; 103 } 104 105 return true; 106 } 107 108 /* Find hwfn according to the doorbell address */ 109 static struct qed_hwfn *qed_db_rec_find_hwfn(struct qed_dev *cdev, 110 void __iomem *db_addr) 111 { 112 struct qed_hwfn *p_hwfn; 113 114 /* In CMT doorbell bar is split down the middle between engine 0 and enigne 1 */ 115 if (cdev->num_hwfns > 1) 116 p_hwfn = db_addr < cdev->hwfns[1].doorbells ? 117 &cdev->hwfns[0] : &cdev->hwfns[1]; 118 else 119 p_hwfn = QED_LEADING_HWFN(cdev); 120 121 return p_hwfn; 122 } 123 124 /* Add a new entry to the doorbell recovery mechanism */ 125 int qed_db_recovery_add(struct qed_dev *cdev, 126 void __iomem *db_addr, 127 void *db_data, 128 enum qed_db_rec_width db_width, 129 enum qed_db_rec_space db_space) 130 { 131 struct qed_db_recovery_entry *db_entry; 132 struct qed_hwfn *p_hwfn; 133 134 /* Shortcircuit VFs, for now */ 135 if (IS_VF(cdev)) { 136 DP_VERBOSE(cdev, 137 QED_MSG_IOV, "db recovery - skipping VF doorbell\n"); 138 return 0; 139 } 140 141 /* Sanitize doorbell address */ 142 if (!qed_db_rec_sanity(cdev, db_addr, db_width, db_data)) 143 return -EINVAL; 144 145 /* Obtain hwfn from doorbell address */ 146 p_hwfn = qed_db_rec_find_hwfn(cdev, db_addr); 147 148 /* Create entry */ 149 db_entry = kzalloc(sizeof(*db_entry), GFP_KERNEL); 150 if (!db_entry) { 151 DP_NOTICE(cdev, "Failed to allocate a db recovery entry\n"); 152 return -ENOMEM; 153 } 154 155 /* Populate entry */ 156 db_entry->db_addr = db_addr; 157 db_entry->db_data = db_data; 158 db_entry->db_width = db_width; 159 db_entry->db_space = db_space; 160 db_entry->hwfn_idx = p_hwfn->my_id; 161 162 /* Display */ 163 qed_db_recovery_dp_entry(p_hwfn, db_entry, "Adding"); 164 165 /* Protect the list */ 166 spin_lock_bh(&p_hwfn->db_recovery_info.lock); 167 list_add_tail(&db_entry->list_entry, &p_hwfn->db_recovery_info.list); 168 spin_unlock_bh(&p_hwfn->db_recovery_info.lock); 169 170 return 0; 171 } 172 173 /* Remove an entry from the doorbell recovery mechanism */ 174 int qed_db_recovery_del(struct qed_dev *cdev, 175 void __iomem *db_addr, void *db_data) 176 { 177 struct qed_db_recovery_entry *db_entry = NULL; 178 struct qed_hwfn *p_hwfn; 179 int rc = -EINVAL; 180 181 /* Shortcircuit VFs, for now */ 182 if (IS_VF(cdev)) { 183 DP_VERBOSE(cdev, 184 QED_MSG_IOV, "db recovery - skipping VF doorbell\n"); 185 return 0; 186 } 187 188 /* Obtain hwfn from doorbell address */ 189 p_hwfn = qed_db_rec_find_hwfn(cdev, db_addr); 190 191 /* Protect the list */ 192 spin_lock_bh(&p_hwfn->db_recovery_info.lock); 193 list_for_each_entry(db_entry, 194 &p_hwfn->db_recovery_info.list, list_entry) { 195 /* search according to db_data addr since db_addr is not unique (roce) */ 196 if (db_entry->db_data == db_data) { 197 qed_db_recovery_dp_entry(p_hwfn, db_entry, "Deleting"); 198 list_del(&db_entry->list_entry); 199 rc = 0; 200 break; 201 } 202 } 203 204 spin_unlock_bh(&p_hwfn->db_recovery_info.lock); 205 206 if (rc == -EINVAL) 207 208 DP_NOTICE(p_hwfn, 209 "Failed to find element in list. Key (db_data addr) was %p. db_addr was %p\n", 210 db_data, db_addr); 211 else 212 kfree(db_entry); 213 214 return rc; 215 } 216 217 /* Initialize the doorbell recovery mechanism */ 218 static int qed_db_recovery_setup(struct qed_hwfn *p_hwfn) 219 { 220 DP_VERBOSE(p_hwfn, QED_MSG_SPQ, "Setting up db recovery\n"); 221 222 /* Make sure db_size was set in cdev */ 223 if (!p_hwfn->cdev->db_size) { 224 DP_ERR(p_hwfn->cdev, "db_size not set\n"); 225 return -EINVAL; 226 } 227 228 INIT_LIST_HEAD(&p_hwfn->db_recovery_info.list); 229 spin_lock_init(&p_hwfn->db_recovery_info.lock); 230 p_hwfn->db_recovery_info.db_recovery_counter = 0; 231 232 return 0; 233 } 234 235 /* Destroy the doorbell recovery mechanism */ 236 static void qed_db_recovery_teardown(struct qed_hwfn *p_hwfn) 237 { 238 struct qed_db_recovery_entry *db_entry = NULL; 239 240 DP_VERBOSE(p_hwfn, QED_MSG_SPQ, "Tearing down db recovery\n"); 241 if (!list_empty(&p_hwfn->db_recovery_info.list)) { 242 DP_VERBOSE(p_hwfn, 243 QED_MSG_SPQ, 244 "Doorbell Recovery teardown found the doorbell recovery list was not empty (Expected in disorderly driver unload (e.g. recovery) otherwise this probably means some flow forgot to db_recovery_del). Prepare to purge doorbell recovery list...\n"); 245 while (!list_empty(&p_hwfn->db_recovery_info.list)) { 246 db_entry = 247 list_first_entry(&p_hwfn->db_recovery_info.list, 248 struct qed_db_recovery_entry, 249 list_entry); 250 qed_db_recovery_dp_entry(p_hwfn, db_entry, "Purging"); 251 list_del(&db_entry->list_entry); 252 kfree(db_entry); 253 } 254 } 255 p_hwfn->db_recovery_info.db_recovery_counter = 0; 256 } 257 258 /* Print the content of the doorbell recovery mechanism */ 259 void qed_db_recovery_dp(struct qed_hwfn *p_hwfn) 260 { 261 struct qed_db_recovery_entry *db_entry = NULL; 262 263 DP_NOTICE(p_hwfn, 264 "Displaying doorbell recovery database. Counter was %d\n", 265 p_hwfn->db_recovery_info.db_recovery_counter); 266 267 /* Protect the list */ 268 spin_lock_bh(&p_hwfn->db_recovery_info.lock); 269 list_for_each_entry(db_entry, 270 &p_hwfn->db_recovery_info.list, list_entry) { 271 qed_db_recovery_dp_entry(p_hwfn, db_entry, "Printing"); 272 } 273 274 spin_unlock_bh(&p_hwfn->db_recovery_info.lock); 275 } 276 277 /* Ring the doorbell of a single doorbell recovery entry */ 278 static void qed_db_recovery_ring(struct qed_hwfn *p_hwfn, 279 struct qed_db_recovery_entry *db_entry) 280 { 281 /* Print according to width */ 282 if (db_entry->db_width == DB_REC_WIDTH_32B) { 283 DP_VERBOSE(p_hwfn, QED_MSG_SPQ, 284 "ringing doorbell address %p data %x\n", 285 db_entry->db_addr, 286 *(u32 *)db_entry->db_data); 287 } else { 288 DP_VERBOSE(p_hwfn, QED_MSG_SPQ, 289 "ringing doorbell address %p data %llx\n", 290 db_entry->db_addr, 291 *(u64 *)(db_entry->db_data)); 292 } 293 294 /* Sanity */ 295 if (!qed_db_rec_sanity(p_hwfn->cdev, db_entry->db_addr, 296 db_entry->db_width, db_entry->db_data)) 297 return; 298 299 /* Flush the write combined buffer. Since there are multiple doorbelling 300 * entities using the same address, if we don't flush, a transaction 301 * could be lost. 302 */ 303 wmb(); 304 305 /* Ring the doorbell */ 306 if (db_entry->db_width == DB_REC_WIDTH_32B) 307 DIRECT_REG_WR(db_entry->db_addr, 308 *(u32 *)(db_entry->db_data)); 309 else 310 DIRECT_REG_WR64(db_entry->db_addr, 311 *(u64 *)(db_entry->db_data)); 312 313 /* Flush the write combined buffer. Next doorbell may come from a 314 * different entity to the same address... 315 */ 316 wmb(); 317 } 318 319 /* Traverse the doorbell recovery entry list and ring all the doorbells */ 320 void qed_db_recovery_execute(struct qed_hwfn *p_hwfn) 321 { 322 struct qed_db_recovery_entry *db_entry = NULL; 323 324 DP_NOTICE(p_hwfn, "Executing doorbell recovery. Counter was %d\n", 325 p_hwfn->db_recovery_info.db_recovery_counter); 326 327 /* Track amount of times recovery was executed */ 328 p_hwfn->db_recovery_info.db_recovery_counter++; 329 330 /* Protect the list */ 331 spin_lock_bh(&p_hwfn->db_recovery_info.lock); 332 list_for_each_entry(db_entry, 333 &p_hwfn->db_recovery_info.list, list_entry) 334 qed_db_recovery_ring(p_hwfn, db_entry); 335 spin_unlock_bh(&p_hwfn->db_recovery_info.lock); 336 } 337 338 /******************** Doorbell Recovery end ****************/ 339 340 /********************************** NIG LLH ***********************************/ 341 342 enum qed_llh_filter_type { 343 QED_LLH_FILTER_TYPE_MAC, 344 QED_LLH_FILTER_TYPE_PROTOCOL, 345 }; 346 347 struct qed_llh_mac_filter { 348 u8 addr[ETH_ALEN]; 349 }; 350 351 struct qed_llh_protocol_filter { 352 enum qed_llh_prot_filter_type_t type; 353 u16 source_port_or_eth_type; 354 u16 dest_port; 355 }; 356 357 union qed_llh_filter { 358 struct qed_llh_mac_filter mac; 359 struct qed_llh_protocol_filter protocol; 360 }; 361 362 struct qed_llh_filter_info { 363 bool b_enabled; 364 u32 ref_cnt; 365 enum qed_llh_filter_type type; 366 union qed_llh_filter filter; 367 }; 368 369 struct qed_llh_info { 370 /* Number of LLH filters banks */ 371 u8 num_ppfid; 372 373 #define MAX_NUM_PPFID 8 374 u8 ppfid_array[MAX_NUM_PPFID]; 375 376 /* Array of filters arrays: 377 * "num_ppfid" elements of filters banks, where each is an array of 378 * "NIG_REG_LLH_FUNC_FILTER_EN_SIZE" filters. 379 */ 380 struct qed_llh_filter_info **pp_filters; 381 }; 382 383 static void qed_llh_free(struct qed_dev *cdev) 384 { 385 struct qed_llh_info *p_llh_info = cdev->p_llh_info; 386 u32 i; 387 388 if (p_llh_info) { 389 if (p_llh_info->pp_filters) 390 for (i = 0; i < p_llh_info->num_ppfid; i++) 391 kfree(p_llh_info->pp_filters[i]); 392 393 kfree(p_llh_info->pp_filters); 394 } 395 396 kfree(p_llh_info); 397 cdev->p_llh_info = NULL; 398 } 399 400 static int qed_llh_alloc(struct qed_dev *cdev) 401 { 402 struct qed_llh_info *p_llh_info; 403 u32 size, i; 404 405 p_llh_info = kzalloc(sizeof(*p_llh_info), GFP_KERNEL); 406 if (!p_llh_info) 407 return -ENOMEM; 408 cdev->p_llh_info = p_llh_info; 409 410 for (i = 0; i < MAX_NUM_PPFID; i++) { 411 if (!(cdev->ppfid_bitmap & (0x1 << i))) 412 continue; 413 414 p_llh_info->ppfid_array[p_llh_info->num_ppfid] = i; 415 DP_VERBOSE(cdev, QED_MSG_SP, "ppfid_array[%d] = %u\n", 416 p_llh_info->num_ppfid, i); 417 p_llh_info->num_ppfid++; 418 } 419 420 size = p_llh_info->num_ppfid * sizeof(*p_llh_info->pp_filters); 421 p_llh_info->pp_filters = kzalloc(size, GFP_KERNEL); 422 if (!p_llh_info->pp_filters) 423 return -ENOMEM; 424 425 size = NIG_REG_LLH_FUNC_FILTER_EN_SIZE * 426 sizeof(**p_llh_info->pp_filters); 427 for (i = 0; i < p_llh_info->num_ppfid; i++) { 428 p_llh_info->pp_filters[i] = kzalloc(size, GFP_KERNEL); 429 if (!p_llh_info->pp_filters[i]) 430 return -ENOMEM; 431 } 432 433 return 0; 434 } 435 436 static int qed_llh_shadow_sanity(struct qed_dev *cdev, 437 u8 ppfid, u8 filter_idx, const char *action) 438 { 439 struct qed_llh_info *p_llh_info = cdev->p_llh_info; 440 441 if (ppfid >= p_llh_info->num_ppfid) { 442 DP_NOTICE(cdev, 443 "LLH shadow [%s]: using ppfid %d while only %d ppfids are available\n", 444 action, ppfid, p_llh_info->num_ppfid); 445 return -EINVAL; 446 } 447 448 if (filter_idx >= NIG_REG_LLH_FUNC_FILTER_EN_SIZE) { 449 DP_NOTICE(cdev, 450 "LLH shadow [%s]: using filter_idx %d while only %d filters are available\n", 451 action, filter_idx, NIG_REG_LLH_FUNC_FILTER_EN_SIZE); 452 return -EINVAL; 453 } 454 455 return 0; 456 } 457 458 #define QED_LLH_INVALID_FILTER_IDX 0xff 459 460 static int 461 qed_llh_shadow_search_filter(struct qed_dev *cdev, 462 u8 ppfid, 463 union qed_llh_filter *p_filter, u8 *p_filter_idx) 464 { 465 struct qed_llh_info *p_llh_info = cdev->p_llh_info; 466 struct qed_llh_filter_info *p_filters; 467 int rc; 468 u8 i; 469 470 rc = qed_llh_shadow_sanity(cdev, ppfid, 0, "search"); 471 if (rc) 472 return rc; 473 474 *p_filter_idx = QED_LLH_INVALID_FILTER_IDX; 475 476 p_filters = p_llh_info->pp_filters[ppfid]; 477 for (i = 0; i < NIG_REG_LLH_FUNC_FILTER_EN_SIZE; i++) { 478 if (!memcmp(p_filter, &p_filters[i].filter, 479 sizeof(*p_filter))) { 480 *p_filter_idx = i; 481 break; 482 } 483 } 484 485 return 0; 486 } 487 488 static int 489 qed_llh_shadow_get_free_idx(struct qed_dev *cdev, u8 ppfid, u8 *p_filter_idx) 490 { 491 struct qed_llh_info *p_llh_info = cdev->p_llh_info; 492 struct qed_llh_filter_info *p_filters; 493 int rc; 494 u8 i; 495 496 rc = qed_llh_shadow_sanity(cdev, ppfid, 0, "get_free_idx"); 497 if (rc) 498 return rc; 499 500 *p_filter_idx = QED_LLH_INVALID_FILTER_IDX; 501 502 p_filters = p_llh_info->pp_filters[ppfid]; 503 for (i = 0; i < NIG_REG_LLH_FUNC_FILTER_EN_SIZE; i++) { 504 if (!p_filters[i].b_enabled) { 505 *p_filter_idx = i; 506 break; 507 } 508 } 509 510 return 0; 511 } 512 513 static int 514 __qed_llh_shadow_add_filter(struct qed_dev *cdev, 515 u8 ppfid, 516 u8 filter_idx, 517 enum qed_llh_filter_type type, 518 union qed_llh_filter *p_filter, u32 *p_ref_cnt) 519 { 520 struct qed_llh_info *p_llh_info = cdev->p_llh_info; 521 struct qed_llh_filter_info *p_filters; 522 int rc; 523 524 rc = qed_llh_shadow_sanity(cdev, ppfid, filter_idx, "add"); 525 if (rc) 526 return rc; 527 528 p_filters = p_llh_info->pp_filters[ppfid]; 529 if (!p_filters[filter_idx].ref_cnt) { 530 p_filters[filter_idx].b_enabled = true; 531 p_filters[filter_idx].type = type; 532 memcpy(&p_filters[filter_idx].filter, p_filter, 533 sizeof(p_filters[filter_idx].filter)); 534 } 535 536 *p_ref_cnt = ++p_filters[filter_idx].ref_cnt; 537 538 return 0; 539 } 540 541 static int 542 qed_llh_shadow_add_filter(struct qed_dev *cdev, 543 u8 ppfid, 544 enum qed_llh_filter_type type, 545 union qed_llh_filter *p_filter, 546 u8 *p_filter_idx, u32 *p_ref_cnt) 547 { 548 int rc; 549 550 /* Check if the same filter already exist */ 551 rc = qed_llh_shadow_search_filter(cdev, ppfid, p_filter, p_filter_idx); 552 if (rc) 553 return rc; 554 555 /* Find a new entry in case of a new filter */ 556 if (*p_filter_idx == QED_LLH_INVALID_FILTER_IDX) { 557 rc = qed_llh_shadow_get_free_idx(cdev, ppfid, p_filter_idx); 558 if (rc) 559 return rc; 560 } 561 562 /* No free entry was found */ 563 if (*p_filter_idx == QED_LLH_INVALID_FILTER_IDX) { 564 DP_NOTICE(cdev, 565 "Failed to find an empty LLH filter to utilize [ppfid %d]\n", 566 ppfid); 567 return -EINVAL; 568 } 569 570 return __qed_llh_shadow_add_filter(cdev, ppfid, *p_filter_idx, type, 571 p_filter, p_ref_cnt); 572 } 573 574 static int 575 __qed_llh_shadow_remove_filter(struct qed_dev *cdev, 576 u8 ppfid, u8 filter_idx, u32 *p_ref_cnt) 577 { 578 struct qed_llh_info *p_llh_info = cdev->p_llh_info; 579 struct qed_llh_filter_info *p_filters; 580 int rc; 581 582 rc = qed_llh_shadow_sanity(cdev, ppfid, filter_idx, "remove"); 583 if (rc) 584 return rc; 585 586 p_filters = p_llh_info->pp_filters[ppfid]; 587 if (!p_filters[filter_idx].ref_cnt) { 588 DP_NOTICE(cdev, 589 "LLH shadow: trying to remove a filter with ref_cnt=0\n"); 590 return -EINVAL; 591 } 592 593 *p_ref_cnt = --p_filters[filter_idx].ref_cnt; 594 if (!p_filters[filter_idx].ref_cnt) 595 memset(&p_filters[filter_idx], 596 0, sizeof(p_filters[filter_idx])); 597 598 return 0; 599 } 600 601 static int 602 qed_llh_shadow_remove_filter(struct qed_dev *cdev, 603 u8 ppfid, 604 union qed_llh_filter *p_filter, 605 u8 *p_filter_idx, u32 *p_ref_cnt) 606 { 607 int rc; 608 609 rc = qed_llh_shadow_search_filter(cdev, ppfid, p_filter, p_filter_idx); 610 if (rc) 611 return rc; 612 613 /* No matching filter was found */ 614 if (*p_filter_idx == QED_LLH_INVALID_FILTER_IDX) { 615 DP_NOTICE(cdev, "Failed to find a filter in the LLH shadow\n"); 616 return -EINVAL; 617 } 618 619 return __qed_llh_shadow_remove_filter(cdev, ppfid, *p_filter_idx, 620 p_ref_cnt); 621 } 622 623 static int qed_llh_abs_ppfid(struct qed_dev *cdev, u8 ppfid, u8 *p_abs_ppfid) 624 { 625 struct qed_llh_info *p_llh_info = cdev->p_llh_info; 626 627 if (ppfid >= p_llh_info->num_ppfid) { 628 DP_NOTICE(cdev, 629 "ppfid %d is not valid, available indices are 0..%d\n", 630 ppfid, p_llh_info->num_ppfid - 1); 631 *p_abs_ppfid = 0; 632 return -EINVAL; 633 } 634 635 *p_abs_ppfid = p_llh_info->ppfid_array[ppfid]; 636 637 return 0; 638 } 639 640 static int 641 qed_llh_set_engine_affin(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 642 { 643 struct qed_dev *cdev = p_hwfn->cdev; 644 enum qed_eng eng; 645 u8 ppfid; 646 int rc; 647 648 rc = qed_mcp_get_engine_config(p_hwfn, p_ptt); 649 if (rc != 0 && rc != -EOPNOTSUPP) { 650 DP_NOTICE(p_hwfn, 651 "Failed to get the engine affinity configuration\n"); 652 return rc; 653 } 654 655 /* RoCE PF is bound to a single engine */ 656 if (QED_IS_ROCE_PERSONALITY(p_hwfn)) { 657 eng = cdev->fir_affin ? QED_ENG1 : QED_ENG0; 658 rc = qed_llh_set_roce_affinity(cdev, eng); 659 if (rc) { 660 DP_NOTICE(cdev, 661 "Failed to set the RoCE engine affinity\n"); 662 return rc; 663 } 664 665 DP_VERBOSE(cdev, 666 QED_MSG_SP, 667 "LLH: Set the engine affinity of RoCE packets as %d\n", 668 eng); 669 } 670 671 /* Storage PF is bound to a single engine while L2 PF uses both */ 672 if (QED_IS_FCOE_PERSONALITY(p_hwfn) || QED_IS_ISCSI_PERSONALITY(p_hwfn) || 673 QED_IS_NVMETCP_PERSONALITY(p_hwfn)) 674 eng = cdev->fir_affin ? QED_ENG1 : QED_ENG0; 675 else /* L2_PERSONALITY */ 676 eng = QED_BOTH_ENG; 677 678 for (ppfid = 0; ppfid < cdev->p_llh_info->num_ppfid; ppfid++) { 679 rc = qed_llh_set_ppfid_affinity(cdev, ppfid, eng); 680 if (rc) { 681 DP_NOTICE(cdev, 682 "Failed to set the engine affinity of ppfid %d\n", 683 ppfid); 684 return rc; 685 } 686 } 687 688 DP_VERBOSE(cdev, QED_MSG_SP, 689 "LLH: Set the engine affinity of non-RoCE packets as %d\n", 690 eng); 691 692 return 0; 693 } 694 695 static int qed_llh_hw_init_pf(struct qed_hwfn *p_hwfn, 696 struct qed_ptt *p_ptt) 697 { 698 struct qed_dev *cdev = p_hwfn->cdev; 699 u8 ppfid, abs_ppfid; 700 int rc; 701 702 for (ppfid = 0; ppfid < cdev->p_llh_info->num_ppfid; ppfid++) { 703 u32 addr; 704 705 rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid); 706 if (rc) 707 return rc; 708 709 addr = NIG_REG_LLH_PPFID2PFID_TBL_0 + abs_ppfid * 0x4; 710 qed_wr(p_hwfn, p_ptt, addr, p_hwfn->rel_pf_id); 711 } 712 713 if (test_bit(QED_MF_LLH_MAC_CLSS, &cdev->mf_bits) && 714 !QED_IS_FCOE_PERSONALITY(p_hwfn)) { 715 rc = qed_llh_add_mac_filter(cdev, 0, 716 p_hwfn->hw_info.hw_mac_addr); 717 if (rc) 718 DP_NOTICE(cdev, 719 "Failed to add an LLH filter with the primary MAC\n"); 720 } 721 722 if (QED_IS_CMT(cdev)) { 723 rc = qed_llh_set_engine_affin(p_hwfn, p_ptt); 724 if (rc) 725 return rc; 726 } 727 728 return 0; 729 } 730 731 u8 qed_llh_get_num_ppfid(struct qed_dev *cdev) 732 { 733 return cdev->p_llh_info->num_ppfid; 734 } 735 736 #define NIG_REG_PPF_TO_ENGINE_SEL_ROCE_MASK 0x3 737 #define NIG_REG_PPF_TO_ENGINE_SEL_ROCE_SHIFT 0 738 #define NIG_REG_PPF_TO_ENGINE_SEL_NON_ROCE_MASK 0x3 739 #define NIG_REG_PPF_TO_ENGINE_SEL_NON_ROCE_SHIFT 2 740 741 int qed_llh_set_ppfid_affinity(struct qed_dev *cdev, u8 ppfid, enum qed_eng eng) 742 { 743 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); 744 struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn); 745 u32 addr, val, eng_sel; 746 u8 abs_ppfid; 747 int rc = 0; 748 749 if (!p_ptt) 750 return -EAGAIN; 751 752 if (!QED_IS_CMT(cdev)) 753 goto out; 754 755 rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid); 756 if (rc) 757 goto out; 758 759 switch (eng) { 760 case QED_ENG0: 761 eng_sel = 0; 762 break; 763 case QED_ENG1: 764 eng_sel = 1; 765 break; 766 case QED_BOTH_ENG: 767 eng_sel = 2; 768 break; 769 default: 770 DP_NOTICE(cdev, "Invalid affinity value for ppfid [%d]\n", eng); 771 rc = -EINVAL; 772 goto out; 773 } 774 775 addr = NIG_REG_PPF_TO_ENGINE_SEL + abs_ppfid * 0x4; 776 val = qed_rd(p_hwfn, p_ptt, addr); 777 SET_FIELD(val, NIG_REG_PPF_TO_ENGINE_SEL_NON_ROCE, eng_sel); 778 qed_wr(p_hwfn, p_ptt, addr, val); 779 780 /* The iWARP affinity is set as the affinity of ppfid 0 */ 781 if (!ppfid && QED_IS_IWARP_PERSONALITY(p_hwfn)) 782 cdev->iwarp_affin = (eng == QED_ENG1) ? 1 : 0; 783 out: 784 qed_ptt_release(p_hwfn, p_ptt); 785 786 return rc; 787 } 788 789 int qed_llh_set_roce_affinity(struct qed_dev *cdev, enum qed_eng eng) 790 { 791 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); 792 struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn); 793 u32 addr, val, eng_sel; 794 u8 ppfid, abs_ppfid; 795 int rc = 0; 796 797 if (!p_ptt) 798 return -EAGAIN; 799 800 if (!QED_IS_CMT(cdev)) 801 goto out; 802 803 switch (eng) { 804 case QED_ENG0: 805 eng_sel = 0; 806 break; 807 case QED_ENG1: 808 eng_sel = 1; 809 break; 810 case QED_BOTH_ENG: 811 eng_sel = 2; 812 qed_wr(p_hwfn, p_ptt, NIG_REG_LLH_ENG_CLS_ROCE_QP_SEL, 813 0xf); /* QP bit 15 */ 814 break; 815 default: 816 DP_NOTICE(cdev, "Invalid affinity value for RoCE [%d]\n", eng); 817 rc = -EINVAL; 818 goto out; 819 } 820 821 for (ppfid = 0; ppfid < cdev->p_llh_info->num_ppfid; ppfid++) { 822 rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid); 823 if (rc) 824 goto out; 825 826 addr = NIG_REG_PPF_TO_ENGINE_SEL + abs_ppfid * 0x4; 827 val = qed_rd(p_hwfn, p_ptt, addr); 828 SET_FIELD(val, NIG_REG_PPF_TO_ENGINE_SEL_ROCE, eng_sel); 829 qed_wr(p_hwfn, p_ptt, addr, val); 830 } 831 out: 832 qed_ptt_release(p_hwfn, p_ptt); 833 834 return rc; 835 } 836 837 struct qed_llh_filter_details { 838 u64 value; 839 u32 mode; 840 u32 protocol_type; 841 u32 hdr_sel; 842 u32 enable; 843 }; 844 845 static int 846 qed_llh_access_filter(struct qed_hwfn *p_hwfn, 847 struct qed_ptt *p_ptt, 848 u8 abs_ppfid, 849 u8 filter_idx, 850 struct qed_llh_filter_details *p_details) 851 { 852 struct qed_dmae_params params = {0}; 853 u32 addr; 854 u8 pfid; 855 int rc; 856 857 /* The NIG/LLH registers that are accessed in this function have only 16 858 * rows which are exposed to a PF. I.e. only the 16 filters of its 859 * default ppfid. Accessing filters of other ppfids requires pretending 860 * to another PFs. 861 * The calculation of PPFID->PFID in AH is based on the relative index 862 * of a PF on its port. 863 * For BB the pfid is actually the abs_ppfid. 864 */ 865 if (QED_IS_BB(p_hwfn->cdev)) 866 pfid = abs_ppfid; 867 else 868 pfid = abs_ppfid * p_hwfn->cdev->num_ports_in_engine + 869 MFW_PORT(p_hwfn); 870 871 /* Filter enable - should be done first when removing a filter */ 872 if (!p_details->enable) { 873 qed_fid_pretend(p_hwfn, p_ptt, 874 pfid << PXP_PRETEND_CONCRETE_FID_PFID_SHIFT); 875 876 addr = NIG_REG_LLH_FUNC_FILTER_EN + filter_idx * 0x4; 877 qed_wr(p_hwfn, p_ptt, addr, p_details->enable); 878 879 qed_fid_pretend(p_hwfn, p_ptt, 880 p_hwfn->rel_pf_id << 881 PXP_PRETEND_CONCRETE_FID_PFID_SHIFT); 882 } 883 884 /* Filter value */ 885 addr = NIG_REG_LLH_FUNC_FILTER_VALUE + 2 * filter_idx * 0x4; 886 887 SET_FIELD(params.flags, QED_DMAE_PARAMS_DST_PF_VALID, 0x1); 888 params.dst_pfid = pfid; 889 rc = qed_dmae_host2grc(p_hwfn, 890 p_ptt, 891 (u64)(uintptr_t)&p_details->value, 892 addr, 2 /* size_in_dwords */, 893 ¶ms); 894 if (rc) 895 return rc; 896 897 qed_fid_pretend(p_hwfn, p_ptt, 898 pfid << PXP_PRETEND_CONCRETE_FID_PFID_SHIFT); 899 900 /* Filter mode */ 901 addr = NIG_REG_LLH_FUNC_FILTER_MODE + filter_idx * 0x4; 902 qed_wr(p_hwfn, p_ptt, addr, p_details->mode); 903 904 /* Filter protocol type */ 905 addr = NIG_REG_LLH_FUNC_FILTER_PROTOCOL_TYPE + filter_idx * 0x4; 906 qed_wr(p_hwfn, p_ptt, addr, p_details->protocol_type); 907 908 /* Filter header select */ 909 addr = NIG_REG_LLH_FUNC_FILTER_HDR_SEL + filter_idx * 0x4; 910 qed_wr(p_hwfn, p_ptt, addr, p_details->hdr_sel); 911 912 /* Filter enable - should be done last when adding a filter */ 913 if (p_details->enable) { 914 addr = NIG_REG_LLH_FUNC_FILTER_EN + filter_idx * 0x4; 915 qed_wr(p_hwfn, p_ptt, addr, p_details->enable); 916 } 917 918 qed_fid_pretend(p_hwfn, p_ptt, 919 p_hwfn->rel_pf_id << 920 PXP_PRETEND_CONCRETE_FID_PFID_SHIFT); 921 922 return 0; 923 } 924 925 static int 926 qed_llh_add_filter(struct qed_hwfn *p_hwfn, 927 struct qed_ptt *p_ptt, 928 u8 abs_ppfid, 929 u8 filter_idx, u8 filter_prot_type, u32 high, u32 low) 930 { 931 struct qed_llh_filter_details filter_details; 932 933 filter_details.enable = 1; 934 filter_details.value = ((u64)high << 32) | low; 935 filter_details.hdr_sel = 0; 936 filter_details.protocol_type = filter_prot_type; 937 /* Mode: 0: MAC-address classification 1: protocol classification */ 938 filter_details.mode = filter_prot_type ? 1 : 0; 939 940 return qed_llh_access_filter(p_hwfn, p_ptt, abs_ppfid, filter_idx, 941 &filter_details); 942 } 943 944 static int 945 qed_llh_remove_filter(struct qed_hwfn *p_hwfn, 946 struct qed_ptt *p_ptt, u8 abs_ppfid, u8 filter_idx) 947 { 948 struct qed_llh_filter_details filter_details = {0}; 949 950 return qed_llh_access_filter(p_hwfn, p_ptt, abs_ppfid, filter_idx, 951 &filter_details); 952 } 953 954 int qed_llh_add_mac_filter(struct qed_dev *cdev, 955 u8 ppfid, const u8 mac_addr[ETH_ALEN]) 956 { 957 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); 958 struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn); 959 union qed_llh_filter filter = {}; 960 u8 filter_idx, abs_ppfid = 0; 961 u32 high, low, ref_cnt; 962 int rc = 0; 963 964 if (!p_ptt) 965 return -EAGAIN; 966 967 if (!test_bit(QED_MF_LLH_MAC_CLSS, &cdev->mf_bits)) 968 goto out; 969 970 memcpy(filter.mac.addr, mac_addr, ETH_ALEN); 971 rc = qed_llh_shadow_add_filter(cdev, ppfid, 972 QED_LLH_FILTER_TYPE_MAC, 973 &filter, &filter_idx, &ref_cnt); 974 if (rc) 975 goto err; 976 977 /* Configure the LLH only in case of a new the filter */ 978 if (ref_cnt == 1) { 979 rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid); 980 if (rc) 981 goto err; 982 983 high = mac_addr[1] | (mac_addr[0] << 8); 984 low = mac_addr[5] | (mac_addr[4] << 8) | (mac_addr[3] << 16) | 985 (mac_addr[2] << 24); 986 rc = qed_llh_add_filter(p_hwfn, p_ptt, abs_ppfid, filter_idx, 987 0, high, low); 988 if (rc) 989 goto err; 990 } 991 992 DP_VERBOSE(cdev, 993 QED_MSG_SP, 994 "LLH: Added MAC filter [%pM] to ppfid %hhd [abs %hhd] at idx %hhd [ref_cnt %d]\n", 995 mac_addr, ppfid, abs_ppfid, filter_idx, ref_cnt); 996 997 goto out; 998 999 err: DP_NOTICE(cdev, 1000 "LLH: Failed to add MAC filter [%pM] to ppfid %hhd\n", 1001 mac_addr, ppfid); 1002 out: 1003 qed_ptt_release(p_hwfn, p_ptt); 1004 1005 return rc; 1006 } 1007 1008 static int 1009 qed_llh_protocol_filter_stringify(struct qed_dev *cdev, 1010 enum qed_llh_prot_filter_type_t type, 1011 u16 source_port_or_eth_type, 1012 u16 dest_port, u8 *str, size_t str_len) 1013 { 1014 switch (type) { 1015 case QED_LLH_FILTER_ETHERTYPE: 1016 snprintf(str, str_len, "Ethertype 0x%04x", 1017 source_port_or_eth_type); 1018 break; 1019 case QED_LLH_FILTER_TCP_SRC_PORT: 1020 snprintf(str, str_len, "TCP src port 0x%04x", 1021 source_port_or_eth_type); 1022 break; 1023 case QED_LLH_FILTER_UDP_SRC_PORT: 1024 snprintf(str, str_len, "UDP src port 0x%04x", 1025 source_port_or_eth_type); 1026 break; 1027 case QED_LLH_FILTER_TCP_DEST_PORT: 1028 snprintf(str, str_len, "TCP dst port 0x%04x", dest_port); 1029 break; 1030 case QED_LLH_FILTER_UDP_DEST_PORT: 1031 snprintf(str, str_len, "UDP dst port 0x%04x", dest_port); 1032 break; 1033 case QED_LLH_FILTER_TCP_SRC_AND_DEST_PORT: 1034 snprintf(str, str_len, "TCP src/dst ports 0x%04x/0x%04x", 1035 source_port_or_eth_type, dest_port); 1036 break; 1037 case QED_LLH_FILTER_UDP_SRC_AND_DEST_PORT: 1038 snprintf(str, str_len, "UDP src/dst ports 0x%04x/0x%04x", 1039 source_port_or_eth_type, dest_port); 1040 break; 1041 default: 1042 DP_NOTICE(cdev, 1043 "Non valid LLH protocol filter type %d\n", type); 1044 return -EINVAL; 1045 } 1046 1047 return 0; 1048 } 1049 1050 static int 1051 qed_llh_protocol_filter_to_hilo(struct qed_dev *cdev, 1052 enum qed_llh_prot_filter_type_t type, 1053 u16 source_port_or_eth_type, 1054 u16 dest_port, u32 *p_high, u32 *p_low) 1055 { 1056 *p_high = 0; 1057 *p_low = 0; 1058 1059 switch (type) { 1060 case QED_LLH_FILTER_ETHERTYPE: 1061 *p_high = source_port_or_eth_type; 1062 break; 1063 case QED_LLH_FILTER_TCP_SRC_PORT: 1064 case QED_LLH_FILTER_UDP_SRC_PORT: 1065 *p_low = source_port_or_eth_type << 16; 1066 break; 1067 case QED_LLH_FILTER_TCP_DEST_PORT: 1068 case QED_LLH_FILTER_UDP_DEST_PORT: 1069 *p_low = dest_port; 1070 break; 1071 case QED_LLH_FILTER_TCP_SRC_AND_DEST_PORT: 1072 case QED_LLH_FILTER_UDP_SRC_AND_DEST_PORT: 1073 *p_low = (source_port_or_eth_type << 16) | dest_port; 1074 break; 1075 default: 1076 DP_NOTICE(cdev, 1077 "Non valid LLH protocol filter type %d\n", type); 1078 return -EINVAL; 1079 } 1080 1081 return 0; 1082 } 1083 1084 int 1085 qed_llh_add_protocol_filter(struct qed_dev *cdev, 1086 u8 ppfid, 1087 enum qed_llh_prot_filter_type_t type, 1088 u16 source_port_or_eth_type, u16 dest_port) 1089 { 1090 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); 1091 struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn); 1092 u8 filter_idx, abs_ppfid, str[32], type_bitmap; 1093 union qed_llh_filter filter = {}; 1094 u32 high, low, ref_cnt; 1095 int rc = 0; 1096 1097 if (!p_ptt) 1098 return -EAGAIN; 1099 1100 if (!test_bit(QED_MF_LLH_PROTO_CLSS, &cdev->mf_bits)) 1101 goto out; 1102 1103 rc = qed_llh_protocol_filter_stringify(cdev, type, 1104 source_port_or_eth_type, 1105 dest_port, str, sizeof(str)); 1106 if (rc) 1107 goto err; 1108 1109 filter.protocol.type = type; 1110 filter.protocol.source_port_or_eth_type = source_port_or_eth_type; 1111 filter.protocol.dest_port = dest_port; 1112 rc = qed_llh_shadow_add_filter(cdev, 1113 ppfid, 1114 QED_LLH_FILTER_TYPE_PROTOCOL, 1115 &filter, &filter_idx, &ref_cnt); 1116 if (rc) 1117 goto err; 1118 1119 rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid); 1120 if (rc) 1121 goto err; 1122 1123 /* Configure the LLH only in case of a new the filter */ 1124 if (ref_cnt == 1) { 1125 rc = qed_llh_protocol_filter_to_hilo(cdev, type, 1126 source_port_or_eth_type, 1127 dest_port, &high, &low); 1128 if (rc) 1129 goto err; 1130 1131 type_bitmap = 0x1 << type; 1132 rc = qed_llh_add_filter(p_hwfn, p_ptt, abs_ppfid, 1133 filter_idx, type_bitmap, high, low); 1134 if (rc) 1135 goto err; 1136 } 1137 1138 DP_VERBOSE(cdev, 1139 QED_MSG_SP, 1140 "LLH: Added protocol filter [%s] to ppfid %hhd [abs %hhd] at idx %hhd [ref_cnt %d]\n", 1141 str, ppfid, abs_ppfid, filter_idx, ref_cnt); 1142 1143 goto out; 1144 1145 err: DP_NOTICE(p_hwfn, 1146 "LLH: Failed to add protocol filter [%s] to ppfid %hhd\n", 1147 str, ppfid); 1148 out: 1149 qed_ptt_release(p_hwfn, p_ptt); 1150 1151 return rc; 1152 } 1153 1154 void qed_llh_remove_mac_filter(struct qed_dev *cdev, 1155 u8 ppfid, u8 mac_addr[ETH_ALEN]) 1156 { 1157 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); 1158 struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn); 1159 union qed_llh_filter filter = {}; 1160 u8 filter_idx, abs_ppfid; 1161 int rc = 0; 1162 u32 ref_cnt; 1163 1164 if (!p_ptt) 1165 return; 1166 1167 if (!test_bit(QED_MF_LLH_MAC_CLSS, &cdev->mf_bits)) 1168 goto out; 1169 1170 if (QED_IS_NVMETCP_PERSONALITY(p_hwfn)) 1171 return; 1172 1173 ether_addr_copy(filter.mac.addr, mac_addr); 1174 rc = qed_llh_shadow_remove_filter(cdev, ppfid, &filter, &filter_idx, 1175 &ref_cnt); 1176 if (rc) 1177 goto err; 1178 1179 rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid); 1180 if (rc) 1181 goto err; 1182 1183 /* Remove from the LLH in case the filter is not in use */ 1184 if (!ref_cnt) { 1185 rc = qed_llh_remove_filter(p_hwfn, p_ptt, abs_ppfid, 1186 filter_idx); 1187 if (rc) 1188 goto err; 1189 } 1190 1191 DP_VERBOSE(cdev, 1192 QED_MSG_SP, 1193 "LLH: Removed MAC filter [%pM] from ppfid %hhd [abs %hhd] at idx %hhd [ref_cnt %d]\n", 1194 mac_addr, ppfid, abs_ppfid, filter_idx, ref_cnt); 1195 1196 goto out; 1197 1198 err: DP_NOTICE(cdev, 1199 "LLH: Failed to remove MAC filter [%pM] from ppfid %hhd\n", 1200 mac_addr, ppfid); 1201 out: 1202 qed_ptt_release(p_hwfn, p_ptt); 1203 } 1204 1205 void qed_llh_remove_protocol_filter(struct qed_dev *cdev, 1206 u8 ppfid, 1207 enum qed_llh_prot_filter_type_t type, 1208 u16 source_port_or_eth_type, u16 dest_port) 1209 { 1210 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); 1211 struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn); 1212 u8 filter_idx, abs_ppfid, str[32]; 1213 union qed_llh_filter filter = {}; 1214 int rc = 0; 1215 u32 ref_cnt; 1216 1217 if (!p_ptt) 1218 return; 1219 1220 if (!test_bit(QED_MF_LLH_PROTO_CLSS, &cdev->mf_bits)) 1221 goto out; 1222 1223 rc = qed_llh_protocol_filter_stringify(cdev, type, 1224 source_port_or_eth_type, 1225 dest_port, str, sizeof(str)); 1226 if (rc) 1227 goto err; 1228 1229 filter.protocol.type = type; 1230 filter.protocol.source_port_or_eth_type = source_port_or_eth_type; 1231 filter.protocol.dest_port = dest_port; 1232 rc = qed_llh_shadow_remove_filter(cdev, ppfid, &filter, &filter_idx, 1233 &ref_cnt); 1234 if (rc) 1235 goto err; 1236 1237 rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid); 1238 if (rc) 1239 goto err; 1240 1241 /* Remove from the LLH in case the filter is not in use */ 1242 if (!ref_cnt) { 1243 rc = qed_llh_remove_filter(p_hwfn, p_ptt, abs_ppfid, 1244 filter_idx); 1245 if (rc) 1246 goto err; 1247 } 1248 1249 DP_VERBOSE(cdev, 1250 QED_MSG_SP, 1251 "LLH: Removed protocol filter [%s] from ppfid %hhd [abs %hhd] at idx %hhd [ref_cnt %d]\n", 1252 str, ppfid, abs_ppfid, filter_idx, ref_cnt); 1253 1254 goto out; 1255 1256 err: DP_NOTICE(cdev, 1257 "LLH: Failed to remove protocol filter [%s] from ppfid %hhd\n", 1258 str, ppfid); 1259 out: 1260 qed_ptt_release(p_hwfn, p_ptt); 1261 } 1262 1263 /******************************* NIG LLH - End ********************************/ 1264 1265 #define QED_MIN_DPIS (4) 1266 #define QED_MIN_PWM_REGION (QED_WID_SIZE * QED_MIN_DPIS) 1267 1268 static u32 qed_hw_bar_size(struct qed_hwfn *p_hwfn, 1269 struct qed_ptt *p_ptt, enum BAR_ID bar_id) 1270 { 1271 u32 bar_reg = (bar_id == BAR_ID_0 ? 1272 PGLUE_B_REG_PF_BAR0_SIZE : PGLUE_B_REG_PF_BAR1_SIZE); 1273 u32 val; 1274 1275 if (IS_VF(p_hwfn->cdev)) 1276 return qed_vf_hw_bar_size(p_hwfn, bar_id); 1277 1278 val = qed_rd(p_hwfn, p_ptt, bar_reg); 1279 if (val) 1280 return 1 << (val + 15); 1281 1282 /* Old MFW initialized above registered only conditionally */ 1283 if (p_hwfn->cdev->num_hwfns > 1) { 1284 DP_INFO(p_hwfn, 1285 "BAR size not configured. Assuming BAR size of 256kB for GRC and 512kB for DB\n"); 1286 return BAR_ID_0 ? 256 * 1024 : 512 * 1024; 1287 } else { 1288 DP_INFO(p_hwfn, 1289 "BAR size not configured. Assuming BAR size of 512kB for GRC and 512kB for DB\n"); 1290 return 512 * 1024; 1291 } 1292 } 1293 1294 void qed_init_dp(struct qed_dev *cdev, u32 dp_module, u8 dp_level) 1295 { 1296 u32 i; 1297 1298 cdev->dp_level = dp_level; 1299 cdev->dp_module = dp_module; 1300 for (i = 0; i < MAX_HWFNS_PER_DEVICE; i++) { 1301 struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 1302 1303 p_hwfn->dp_level = dp_level; 1304 p_hwfn->dp_module = dp_module; 1305 } 1306 } 1307 1308 void qed_init_struct(struct qed_dev *cdev) 1309 { 1310 u8 i; 1311 1312 for (i = 0; i < MAX_HWFNS_PER_DEVICE; i++) { 1313 struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 1314 1315 p_hwfn->cdev = cdev; 1316 p_hwfn->my_id = i; 1317 p_hwfn->b_active = false; 1318 1319 mutex_init(&p_hwfn->dmae_info.mutex); 1320 } 1321 1322 /* hwfn 0 is always active */ 1323 cdev->hwfns[0].b_active = true; 1324 1325 /* set the default cache alignment to 128 */ 1326 cdev->cache_shift = 7; 1327 } 1328 1329 static void qed_qm_info_free(struct qed_hwfn *p_hwfn) 1330 { 1331 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 1332 1333 kfree(qm_info->qm_pq_params); 1334 qm_info->qm_pq_params = NULL; 1335 kfree(qm_info->qm_vport_params); 1336 qm_info->qm_vport_params = NULL; 1337 kfree(qm_info->qm_port_params); 1338 qm_info->qm_port_params = NULL; 1339 kfree(qm_info->wfq_data); 1340 qm_info->wfq_data = NULL; 1341 } 1342 1343 static void qed_dbg_user_data_free(struct qed_hwfn *p_hwfn) 1344 { 1345 kfree(p_hwfn->dbg_user_info); 1346 p_hwfn->dbg_user_info = NULL; 1347 } 1348 1349 void qed_resc_free(struct qed_dev *cdev) 1350 { 1351 struct qed_rdma_info *rdma_info; 1352 struct qed_hwfn *p_hwfn; 1353 int i; 1354 1355 if (IS_VF(cdev)) { 1356 for_each_hwfn(cdev, i) 1357 qed_l2_free(&cdev->hwfns[i]); 1358 return; 1359 } 1360 1361 kfree(cdev->fw_data); 1362 cdev->fw_data = NULL; 1363 1364 kfree(cdev->reset_stats); 1365 cdev->reset_stats = NULL; 1366 1367 qed_llh_free(cdev); 1368 1369 for_each_hwfn(cdev, i) { 1370 p_hwfn = cdev->hwfns + i; 1371 rdma_info = p_hwfn->p_rdma_info; 1372 1373 qed_cxt_mngr_free(p_hwfn); 1374 qed_qm_info_free(p_hwfn); 1375 qed_spq_free(p_hwfn); 1376 qed_eq_free(p_hwfn); 1377 qed_consq_free(p_hwfn); 1378 qed_int_free(p_hwfn); 1379 #ifdef CONFIG_QED_LL2 1380 qed_ll2_free(p_hwfn); 1381 #endif 1382 if (p_hwfn->hw_info.personality == QED_PCI_FCOE) 1383 qed_fcoe_free(p_hwfn); 1384 1385 if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) { 1386 qed_iscsi_free(p_hwfn); 1387 qed_ooo_free(p_hwfn); 1388 } 1389 1390 if (p_hwfn->hw_info.personality == QED_PCI_NVMETCP) { 1391 qed_nvmetcp_free(p_hwfn); 1392 qed_ooo_free(p_hwfn); 1393 } 1394 1395 if (QED_IS_RDMA_PERSONALITY(p_hwfn) && rdma_info) { 1396 qed_spq_unregister_async_cb(p_hwfn, rdma_info->proto); 1397 qed_rdma_info_free(p_hwfn); 1398 } 1399 1400 qed_spq_unregister_async_cb(p_hwfn, PROTOCOLID_COMMON); 1401 qed_iov_free(p_hwfn); 1402 qed_l2_free(p_hwfn); 1403 qed_dmae_info_free(p_hwfn); 1404 qed_dcbx_info_free(p_hwfn); 1405 qed_dbg_user_data_free(p_hwfn); 1406 qed_fw_overlay_mem_free(p_hwfn, &p_hwfn->fw_overlay_mem); 1407 1408 /* Destroy doorbell recovery mechanism */ 1409 qed_db_recovery_teardown(p_hwfn); 1410 } 1411 } 1412 1413 /******************** QM initialization *******************/ 1414 #define ACTIVE_TCS_BMAP 0x9f 1415 #define ACTIVE_TCS_BMAP_4PORT_K2 0xf 1416 1417 /* determines the physical queue flags for a given PF. */ 1418 static u32 qed_get_pq_flags(struct qed_hwfn *p_hwfn) 1419 { 1420 u32 flags; 1421 1422 /* common flags */ 1423 flags = PQ_FLAGS_LB; 1424 1425 /* feature flags */ 1426 if (IS_QED_SRIOV(p_hwfn->cdev)) 1427 flags |= PQ_FLAGS_VFS; 1428 1429 /* protocol flags */ 1430 switch (p_hwfn->hw_info.personality) { 1431 case QED_PCI_ETH: 1432 flags |= PQ_FLAGS_MCOS; 1433 break; 1434 case QED_PCI_FCOE: 1435 flags |= PQ_FLAGS_OFLD; 1436 break; 1437 case QED_PCI_ISCSI: 1438 case QED_PCI_NVMETCP: 1439 flags |= PQ_FLAGS_ACK | PQ_FLAGS_OOO | PQ_FLAGS_OFLD; 1440 break; 1441 case QED_PCI_ETH_ROCE: 1442 flags |= PQ_FLAGS_MCOS | PQ_FLAGS_OFLD | PQ_FLAGS_LLT; 1443 if (IS_QED_MULTI_TC_ROCE(p_hwfn)) 1444 flags |= PQ_FLAGS_MTC; 1445 break; 1446 case QED_PCI_ETH_IWARP: 1447 flags |= PQ_FLAGS_MCOS | PQ_FLAGS_ACK | PQ_FLAGS_OOO | 1448 PQ_FLAGS_OFLD; 1449 break; 1450 default: 1451 DP_ERR(p_hwfn, 1452 "unknown personality %d\n", p_hwfn->hw_info.personality); 1453 return 0; 1454 } 1455 1456 return flags; 1457 } 1458 1459 /* Getters for resource amounts necessary for qm initialization */ 1460 static u8 qed_init_qm_get_num_tcs(struct qed_hwfn *p_hwfn) 1461 { 1462 return p_hwfn->hw_info.num_hw_tc; 1463 } 1464 1465 static u16 qed_init_qm_get_num_vfs(struct qed_hwfn *p_hwfn) 1466 { 1467 return IS_QED_SRIOV(p_hwfn->cdev) ? 1468 p_hwfn->cdev->p_iov_info->total_vfs : 0; 1469 } 1470 1471 static u8 qed_init_qm_get_num_mtc_tcs(struct qed_hwfn *p_hwfn) 1472 { 1473 u32 pq_flags = qed_get_pq_flags(p_hwfn); 1474 1475 if (!(PQ_FLAGS_MTC & pq_flags)) 1476 return 1; 1477 1478 return qed_init_qm_get_num_tcs(p_hwfn); 1479 } 1480 1481 #define NUM_DEFAULT_RLS 1 1482 1483 static u16 qed_init_qm_get_num_pf_rls(struct qed_hwfn *p_hwfn) 1484 { 1485 u16 num_pf_rls, num_vfs = qed_init_qm_get_num_vfs(p_hwfn); 1486 1487 /* num RLs can't exceed resource amount of rls or vports */ 1488 num_pf_rls = (u16)min_t(u32, RESC_NUM(p_hwfn, QED_RL), 1489 RESC_NUM(p_hwfn, QED_VPORT)); 1490 1491 /* Make sure after we reserve there's something left */ 1492 if (num_pf_rls < num_vfs + NUM_DEFAULT_RLS) 1493 return 0; 1494 1495 /* subtract rls necessary for VFs and one default one for the PF */ 1496 num_pf_rls -= num_vfs + NUM_DEFAULT_RLS; 1497 1498 return num_pf_rls; 1499 } 1500 1501 static u16 qed_init_qm_get_num_vports(struct qed_hwfn *p_hwfn) 1502 { 1503 u32 pq_flags = qed_get_pq_flags(p_hwfn); 1504 1505 /* all pqs share the same vport, except for vfs and pf_rl pqs */ 1506 return (!!(PQ_FLAGS_RLS & pq_flags)) * 1507 qed_init_qm_get_num_pf_rls(p_hwfn) + 1508 (!!(PQ_FLAGS_VFS & pq_flags)) * 1509 qed_init_qm_get_num_vfs(p_hwfn) + 1; 1510 } 1511 1512 /* calc amount of PQs according to the requested flags */ 1513 static u16 qed_init_qm_get_num_pqs(struct qed_hwfn *p_hwfn) 1514 { 1515 u32 pq_flags = qed_get_pq_flags(p_hwfn); 1516 1517 return (!!(PQ_FLAGS_RLS & pq_flags)) * 1518 qed_init_qm_get_num_pf_rls(p_hwfn) + 1519 (!!(PQ_FLAGS_MCOS & pq_flags)) * 1520 qed_init_qm_get_num_tcs(p_hwfn) + 1521 (!!(PQ_FLAGS_LB & pq_flags)) + (!!(PQ_FLAGS_OOO & pq_flags)) + 1522 (!!(PQ_FLAGS_ACK & pq_flags)) + 1523 (!!(PQ_FLAGS_OFLD & pq_flags)) * 1524 qed_init_qm_get_num_mtc_tcs(p_hwfn) + 1525 (!!(PQ_FLAGS_LLT & pq_flags)) * 1526 qed_init_qm_get_num_mtc_tcs(p_hwfn) + 1527 (!!(PQ_FLAGS_VFS & pq_flags)) * qed_init_qm_get_num_vfs(p_hwfn); 1528 } 1529 1530 /* initialize the top level QM params */ 1531 static void qed_init_qm_params(struct qed_hwfn *p_hwfn) 1532 { 1533 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 1534 bool four_port; 1535 1536 /* pq and vport bases for this PF */ 1537 qm_info->start_pq = (u16)RESC_START(p_hwfn, QED_PQ); 1538 qm_info->start_vport = (u8)RESC_START(p_hwfn, QED_VPORT); 1539 1540 /* rate limiting and weighted fair queueing are always enabled */ 1541 qm_info->vport_rl_en = true; 1542 qm_info->vport_wfq_en = true; 1543 1544 /* TC config is different for AH 4 port */ 1545 four_port = p_hwfn->cdev->num_ports_in_engine == MAX_NUM_PORTS_K2; 1546 1547 /* in AH 4 port we have fewer TCs per port */ 1548 qm_info->max_phys_tcs_per_port = four_port ? NUM_PHYS_TCS_4PORT_K2 : 1549 NUM_OF_PHYS_TCS; 1550 1551 /* unless MFW indicated otherwise, ooo_tc == 3 for 1552 * AH 4-port and 4 otherwise. 1553 */ 1554 if (!qm_info->ooo_tc) 1555 qm_info->ooo_tc = four_port ? DCBX_TCP_OOO_K2_4PORT_TC : 1556 DCBX_TCP_OOO_TC; 1557 } 1558 1559 /* initialize qm vport params */ 1560 static void qed_init_qm_vport_params(struct qed_hwfn *p_hwfn) 1561 { 1562 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 1563 u8 i; 1564 1565 /* all vports participate in weighted fair queueing */ 1566 for (i = 0; i < qed_init_qm_get_num_vports(p_hwfn); i++) 1567 qm_info->qm_vport_params[i].wfq = 1; 1568 } 1569 1570 /* initialize qm port params */ 1571 static void qed_init_qm_port_params(struct qed_hwfn *p_hwfn) 1572 { 1573 /* Initialize qm port parameters */ 1574 u8 i, active_phys_tcs, num_ports = p_hwfn->cdev->num_ports_in_engine; 1575 struct qed_dev *cdev = p_hwfn->cdev; 1576 1577 /* indicate how ooo and high pri traffic is dealt with */ 1578 active_phys_tcs = num_ports == MAX_NUM_PORTS_K2 ? 1579 ACTIVE_TCS_BMAP_4PORT_K2 : 1580 ACTIVE_TCS_BMAP; 1581 1582 for (i = 0; i < num_ports; i++) { 1583 struct init_qm_port_params *p_qm_port = 1584 &p_hwfn->qm_info.qm_port_params[i]; 1585 u16 pbf_max_cmd_lines; 1586 1587 p_qm_port->active = 1; 1588 p_qm_port->active_phys_tcs = active_phys_tcs; 1589 pbf_max_cmd_lines = (u16)NUM_OF_PBF_CMD_LINES(cdev); 1590 p_qm_port->num_pbf_cmd_lines = pbf_max_cmd_lines / num_ports; 1591 p_qm_port->num_btb_blocks = NUM_OF_BTB_BLOCKS(cdev) / num_ports; 1592 } 1593 } 1594 1595 /* Reset the params which must be reset for qm init. QM init may be called as 1596 * a result of flows other than driver load (e.g. dcbx renegotiation). Other 1597 * params may be affected by the init but would simply recalculate to the same 1598 * values. The allocations made for QM init, ports, vports, pqs and vfqs are not 1599 * affected as these amounts stay the same. 1600 */ 1601 static void qed_init_qm_reset_params(struct qed_hwfn *p_hwfn) 1602 { 1603 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 1604 1605 qm_info->num_pqs = 0; 1606 qm_info->num_vports = 0; 1607 qm_info->num_pf_rls = 0; 1608 qm_info->num_vf_pqs = 0; 1609 qm_info->first_vf_pq = 0; 1610 qm_info->first_mcos_pq = 0; 1611 qm_info->first_rl_pq = 0; 1612 } 1613 1614 static void qed_init_qm_advance_vport(struct qed_hwfn *p_hwfn) 1615 { 1616 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 1617 1618 qm_info->num_vports++; 1619 1620 if (qm_info->num_vports > qed_init_qm_get_num_vports(p_hwfn)) 1621 DP_ERR(p_hwfn, 1622 "vport overflow! qm_info->num_vports %d, qm_init_get_num_vports() %d\n", 1623 qm_info->num_vports, qed_init_qm_get_num_vports(p_hwfn)); 1624 } 1625 1626 /* initialize a single pq and manage qm_info resources accounting. 1627 * The pq_init_flags param determines whether the PQ is rate limited 1628 * (for VF or PF) and whether a new vport is allocated to the pq or not 1629 * (i.e. vport will be shared). 1630 */ 1631 1632 /* flags for pq init */ 1633 #define PQ_INIT_SHARE_VPORT BIT(0) 1634 #define PQ_INIT_PF_RL BIT(1) 1635 #define PQ_INIT_VF_RL BIT(2) 1636 1637 /* defines for pq init */ 1638 #define PQ_INIT_DEFAULT_WRR_GROUP 1 1639 #define PQ_INIT_DEFAULT_TC 0 1640 1641 void qed_hw_info_set_offload_tc(struct qed_hw_info *p_info, u8 tc) 1642 { 1643 p_info->offload_tc = tc; 1644 p_info->offload_tc_set = true; 1645 } 1646 1647 static bool qed_is_offload_tc_set(struct qed_hwfn *p_hwfn) 1648 { 1649 return p_hwfn->hw_info.offload_tc_set; 1650 } 1651 1652 static u32 qed_get_offload_tc(struct qed_hwfn *p_hwfn) 1653 { 1654 if (qed_is_offload_tc_set(p_hwfn)) 1655 return p_hwfn->hw_info.offload_tc; 1656 1657 return PQ_INIT_DEFAULT_TC; 1658 } 1659 1660 static void qed_init_qm_pq(struct qed_hwfn *p_hwfn, 1661 struct qed_qm_info *qm_info, 1662 u8 tc, u32 pq_init_flags) 1663 { 1664 u16 pq_idx = qm_info->num_pqs, max_pq = qed_init_qm_get_num_pqs(p_hwfn); 1665 1666 if (pq_idx > max_pq) 1667 DP_ERR(p_hwfn, 1668 "pq overflow! pq %d, max pq %d\n", pq_idx, max_pq); 1669 1670 /* init pq params */ 1671 qm_info->qm_pq_params[pq_idx].port_id = p_hwfn->port_id; 1672 qm_info->qm_pq_params[pq_idx].vport_id = qm_info->start_vport + 1673 qm_info->num_vports; 1674 qm_info->qm_pq_params[pq_idx].tc_id = tc; 1675 qm_info->qm_pq_params[pq_idx].wrr_group = PQ_INIT_DEFAULT_WRR_GROUP; 1676 qm_info->qm_pq_params[pq_idx].rl_valid = 1677 (pq_init_flags & PQ_INIT_PF_RL || pq_init_flags & PQ_INIT_VF_RL); 1678 1679 /* qm params accounting */ 1680 qm_info->num_pqs++; 1681 if (!(pq_init_flags & PQ_INIT_SHARE_VPORT)) 1682 qm_info->num_vports++; 1683 1684 if (pq_init_flags & PQ_INIT_PF_RL) 1685 qm_info->num_pf_rls++; 1686 1687 if (qm_info->num_vports > qed_init_qm_get_num_vports(p_hwfn)) 1688 DP_ERR(p_hwfn, 1689 "vport overflow! qm_info->num_vports %d, qm_init_get_num_vports() %d\n", 1690 qm_info->num_vports, qed_init_qm_get_num_vports(p_hwfn)); 1691 1692 if (qm_info->num_pf_rls > qed_init_qm_get_num_pf_rls(p_hwfn)) 1693 DP_ERR(p_hwfn, 1694 "rl overflow! qm_info->num_pf_rls %d, qm_init_get_num_pf_rls() %d\n", 1695 qm_info->num_pf_rls, qed_init_qm_get_num_pf_rls(p_hwfn)); 1696 } 1697 1698 /* get pq index according to PQ_FLAGS */ 1699 static u16 *qed_init_qm_get_idx_from_flags(struct qed_hwfn *p_hwfn, 1700 unsigned long pq_flags) 1701 { 1702 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 1703 1704 /* Can't have multiple flags set here */ 1705 if (bitmap_weight(&pq_flags, 1706 sizeof(pq_flags) * BITS_PER_BYTE) > 1) { 1707 DP_ERR(p_hwfn, "requested multiple pq flags 0x%lx\n", pq_flags); 1708 goto err; 1709 } 1710 1711 if (!(qed_get_pq_flags(p_hwfn) & pq_flags)) { 1712 DP_ERR(p_hwfn, "pq flag 0x%lx is not set\n", pq_flags); 1713 goto err; 1714 } 1715 1716 switch (pq_flags) { 1717 case PQ_FLAGS_RLS: 1718 return &qm_info->first_rl_pq; 1719 case PQ_FLAGS_MCOS: 1720 return &qm_info->first_mcos_pq; 1721 case PQ_FLAGS_LB: 1722 return &qm_info->pure_lb_pq; 1723 case PQ_FLAGS_OOO: 1724 return &qm_info->ooo_pq; 1725 case PQ_FLAGS_ACK: 1726 return &qm_info->pure_ack_pq; 1727 case PQ_FLAGS_OFLD: 1728 return &qm_info->first_ofld_pq; 1729 case PQ_FLAGS_LLT: 1730 return &qm_info->first_llt_pq; 1731 case PQ_FLAGS_VFS: 1732 return &qm_info->first_vf_pq; 1733 default: 1734 goto err; 1735 } 1736 1737 err: 1738 return &qm_info->start_pq; 1739 } 1740 1741 /* save pq index in qm info */ 1742 static void qed_init_qm_set_idx(struct qed_hwfn *p_hwfn, 1743 u32 pq_flags, u16 pq_val) 1744 { 1745 u16 *base_pq_idx = qed_init_qm_get_idx_from_flags(p_hwfn, pq_flags); 1746 1747 *base_pq_idx = p_hwfn->qm_info.start_pq + pq_val; 1748 } 1749 1750 /* get tx pq index, with the PQ TX base already set (ready for context init) */ 1751 u16 qed_get_cm_pq_idx(struct qed_hwfn *p_hwfn, u32 pq_flags) 1752 { 1753 u16 *base_pq_idx = qed_init_qm_get_idx_from_flags(p_hwfn, pq_flags); 1754 1755 return *base_pq_idx + CM_TX_PQ_BASE; 1756 } 1757 1758 u16 qed_get_cm_pq_idx_mcos(struct qed_hwfn *p_hwfn, u8 tc) 1759 { 1760 u8 max_tc = qed_init_qm_get_num_tcs(p_hwfn); 1761 1762 if (max_tc == 0) { 1763 DP_ERR(p_hwfn, "pq with flag 0x%lx do not exist\n", 1764 PQ_FLAGS_MCOS); 1765 return p_hwfn->qm_info.start_pq; 1766 } 1767 1768 if (tc > max_tc) 1769 DP_ERR(p_hwfn, "tc %d must be smaller than %d\n", tc, max_tc); 1770 1771 return qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_MCOS) + (tc % max_tc); 1772 } 1773 1774 u16 qed_get_cm_pq_idx_vf(struct qed_hwfn *p_hwfn, u16 vf) 1775 { 1776 u16 max_vf = qed_init_qm_get_num_vfs(p_hwfn); 1777 1778 if (max_vf == 0) { 1779 DP_ERR(p_hwfn, "pq with flag 0x%lx do not exist\n", 1780 PQ_FLAGS_VFS); 1781 return p_hwfn->qm_info.start_pq; 1782 } 1783 1784 if (vf > max_vf) 1785 DP_ERR(p_hwfn, "vf %d must be smaller than %d\n", vf, max_vf); 1786 1787 return qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_VFS) + (vf % max_vf); 1788 } 1789 1790 u16 qed_get_cm_pq_idx_ofld_mtc(struct qed_hwfn *p_hwfn, u8 tc) 1791 { 1792 u16 first_ofld_pq, pq_offset; 1793 1794 first_ofld_pq = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD); 1795 pq_offset = (tc < qed_init_qm_get_num_mtc_tcs(p_hwfn)) ? 1796 tc : PQ_INIT_DEFAULT_TC; 1797 1798 return first_ofld_pq + pq_offset; 1799 } 1800 1801 u16 qed_get_cm_pq_idx_llt_mtc(struct qed_hwfn *p_hwfn, u8 tc) 1802 { 1803 u16 first_llt_pq, pq_offset; 1804 1805 first_llt_pq = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_LLT); 1806 pq_offset = (tc < qed_init_qm_get_num_mtc_tcs(p_hwfn)) ? 1807 tc : PQ_INIT_DEFAULT_TC; 1808 1809 return first_llt_pq + pq_offset; 1810 } 1811 1812 /* Functions for creating specific types of pqs */ 1813 static void qed_init_qm_lb_pq(struct qed_hwfn *p_hwfn) 1814 { 1815 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 1816 1817 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_LB)) 1818 return; 1819 1820 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_LB, qm_info->num_pqs); 1821 qed_init_qm_pq(p_hwfn, qm_info, PURE_LB_TC, PQ_INIT_SHARE_VPORT); 1822 } 1823 1824 static void qed_init_qm_ooo_pq(struct qed_hwfn *p_hwfn) 1825 { 1826 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 1827 1828 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_OOO)) 1829 return; 1830 1831 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_OOO, qm_info->num_pqs); 1832 qed_init_qm_pq(p_hwfn, qm_info, qm_info->ooo_tc, PQ_INIT_SHARE_VPORT); 1833 } 1834 1835 static void qed_init_qm_pure_ack_pq(struct qed_hwfn *p_hwfn) 1836 { 1837 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 1838 1839 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_ACK)) 1840 return; 1841 1842 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_ACK, qm_info->num_pqs); 1843 qed_init_qm_pq(p_hwfn, qm_info, qed_get_offload_tc(p_hwfn), 1844 PQ_INIT_SHARE_VPORT); 1845 } 1846 1847 static void qed_init_qm_mtc_pqs(struct qed_hwfn *p_hwfn) 1848 { 1849 u8 num_tcs = qed_init_qm_get_num_mtc_tcs(p_hwfn); 1850 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 1851 u8 tc; 1852 1853 /* override pq's TC if offload TC is set */ 1854 for (tc = 0; tc < num_tcs; tc++) 1855 qed_init_qm_pq(p_hwfn, qm_info, 1856 qed_is_offload_tc_set(p_hwfn) ? 1857 p_hwfn->hw_info.offload_tc : tc, 1858 PQ_INIT_SHARE_VPORT); 1859 } 1860 1861 static void qed_init_qm_offload_pq(struct qed_hwfn *p_hwfn) 1862 { 1863 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 1864 1865 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_OFLD)) 1866 return; 1867 1868 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_OFLD, qm_info->num_pqs); 1869 qed_init_qm_mtc_pqs(p_hwfn); 1870 } 1871 1872 static void qed_init_qm_low_latency_pq(struct qed_hwfn *p_hwfn) 1873 { 1874 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 1875 1876 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_LLT)) 1877 return; 1878 1879 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_LLT, qm_info->num_pqs); 1880 qed_init_qm_mtc_pqs(p_hwfn); 1881 } 1882 1883 static void qed_init_qm_mcos_pqs(struct qed_hwfn *p_hwfn) 1884 { 1885 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 1886 u8 tc_idx; 1887 1888 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_MCOS)) 1889 return; 1890 1891 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_MCOS, qm_info->num_pqs); 1892 for (tc_idx = 0; tc_idx < qed_init_qm_get_num_tcs(p_hwfn); tc_idx++) 1893 qed_init_qm_pq(p_hwfn, qm_info, tc_idx, PQ_INIT_SHARE_VPORT); 1894 } 1895 1896 static void qed_init_qm_vf_pqs(struct qed_hwfn *p_hwfn) 1897 { 1898 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 1899 u16 vf_idx, num_vfs = qed_init_qm_get_num_vfs(p_hwfn); 1900 1901 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_VFS)) 1902 return; 1903 1904 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_VFS, qm_info->num_pqs); 1905 qm_info->num_vf_pqs = num_vfs; 1906 for (vf_idx = 0; vf_idx < num_vfs; vf_idx++) 1907 qed_init_qm_pq(p_hwfn, 1908 qm_info, PQ_INIT_DEFAULT_TC, PQ_INIT_VF_RL); 1909 } 1910 1911 static void qed_init_qm_rl_pqs(struct qed_hwfn *p_hwfn) 1912 { 1913 u16 pf_rls_idx, num_pf_rls = qed_init_qm_get_num_pf_rls(p_hwfn); 1914 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 1915 1916 if (!(qed_get_pq_flags(p_hwfn) & PQ_FLAGS_RLS)) 1917 return; 1918 1919 qed_init_qm_set_idx(p_hwfn, PQ_FLAGS_RLS, qm_info->num_pqs); 1920 for (pf_rls_idx = 0; pf_rls_idx < num_pf_rls; pf_rls_idx++) 1921 qed_init_qm_pq(p_hwfn, qm_info, qed_get_offload_tc(p_hwfn), 1922 PQ_INIT_PF_RL); 1923 } 1924 1925 static void qed_init_qm_pq_params(struct qed_hwfn *p_hwfn) 1926 { 1927 /* rate limited pqs, must come first (FW assumption) */ 1928 qed_init_qm_rl_pqs(p_hwfn); 1929 1930 /* pqs for multi cos */ 1931 qed_init_qm_mcos_pqs(p_hwfn); 1932 1933 /* pure loopback pq */ 1934 qed_init_qm_lb_pq(p_hwfn); 1935 1936 /* out of order pq */ 1937 qed_init_qm_ooo_pq(p_hwfn); 1938 1939 /* pure ack pq */ 1940 qed_init_qm_pure_ack_pq(p_hwfn); 1941 1942 /* pq for offloaded protocol */ 1943 qed_init_qm_offload_pq(p_hwfn); 1944 1945 /* low latency pq */ 1946 qed_init_qm_low_latency_pq(p_hwfn); 1947 1948 /* done sharing vports */ 1949 qed_init_qm_advance_vport(p_hwfn); 1950 1951 /* pqs for vfs */ 1952 qed_init_qm_vf_pqs(p_hwfn); 1953 } 1954 1955 /* compare values of getters against resources amounts */ 1956 static int qed_init_qm_sanity(struct qed_hwfn *p_hwfn) 1957 { 1958 if (qed_init_qm_get_num_vports(p_hwfn) > RESC_NUM(p_hwfn, QED_VPORT)) { 1959 DP_ERR(p_hwfn, "requested amount of vports exceeds resource\n"); 1960 return -EINVAL; 1961 } 1962 1963 if (qed_init_qm_get_num_pqs(p_hwfn) <= RESC_NUM(p_hwfn, QED_PQ)) 1964 return 0; 1965 1966 if (QED_IS_ROCE_PERSONALITY(p_hwfn)) { 1967 p_hwfn->hw_info.multi_tc_roce_en = false; 1968 DP_NOTICE(p_hwfn, 1969 "multi-tc roce was disabled to reduce requested amount of pqs\n"); 1970 if (qed_init_qm_get_num_pqs(p_hwfn) <= RESC_NUM(p_hwfn, QED_PQ)) 1971 return 0; 1972 } 1973 1974 DP_ERR(p_hwfn, "requested amount of pqs exceeds resource\n"); 1975 return -EINVAL; 1976 } 1977 1978 static void qed_dp_init_qm_params(struct qed_hwfn *p_hwfn) 1979 { 1980 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 1981 struct init_qm_vport_params *vport; 1982 struct init_qm_port_params *port; 1983 struct init_qm_pq_params *pq; 1984 int i, tc; 1985 1986 /* top level params */ 1987 DP_VERBOSE(p_hwfn, 1988 NETIF_MSG_HW, 1989 "qm init top level params: start_pq %d, start_vport %d, pure_lb_pq %d, offload_pq %d, llt_pq %d, pure_ack_pq %d\n", 1990 qm_info->start_pq, 1991 qm_info->start_vport, 1992 qm_info->pure_lb_pq, 1993 qm_info->first_ofld_pq, 1994 qm_info->first_llt_pq, 1995 qm_info->pure_ack_pq); 1996 DP_VERBOSE(p_hwfn, 1997 NETIF_MSG_HW, 1998 "ooo_pq %d, first_vf_pq %d, num_pqs %d, num_vf_pqs %d, num_vports %d, max_phys_tcs_per_port %d\n", 1999 qm_info->ooo_pq, 2000 qm_info->first_vf_pq, 2001 qm_info->num_pqs, 2002 qm_info->num_vf_pqs, 2003 qm_info->num_vports, qm_info->max_phys_tcs_per_port); 2004 DP_VERBOSE(p_hwfn, 2005 NETIF_MSG_HW, 2006 "pf_rl_en %d, pf_wfq_en %d, vport_rl_en %d, vport_wfq_en %d, pf_wfq %d, pf_rl %d, num_pf_rls %d, pq_flags %x\n", 2007 qm_info->pf_rl_en, 2008 qm_info->pf_wfq_en, 2009 qm_info->vport_rl_en, 2010 qm_info->vport_wfq_en, 2011 qm_info->pf_wfq, 2012 qm_info->pf_rl, 2013 qm_info->num_pf_rls, qed_get_pq_flags(p_hwfn)); 2014 2015 /* port table */ 2016 for (i = 0; i < p_hwfn->cdev->num_ports_in_engine; i++) { 2017 port = &(qm_info->qm_port_params[i]); 2018 DP_VERBOSE(p_hwfn, 2019 NETIF_MSG_HW, 2020 "port idx %d, active %d, active_phys_tcs %d, num_pbf_cmd_lines %d, num_btb_blocks %d, reserved %d\n", 2021 i, 2022 port->active, 2023 port->active_phys_tcs, 2024 port->num_pbf_cmd_lines, 2025 port->num_btb_blocks, port->reserved); 2026 } 2027 2028 /* vport table */ 2029 for (i = 0; i < qm_info->num_vports; i++) { 2030 vport = &(qm_info->qm_vport_params[i]); 2031 DP_VERBOSE(p_hwfn, 2032 NETIF_MSG_HW, 2033 "vport idx %d, wfq %d, first_tx_pq_id [ ", 2034 qm_info->start_vport + i, vport->wfq); 2035 for (tc = 0; tc < NUM_OF_TCS; tc++) 2036 DP_VERBOSE(p_hwfn, 2037 NETIF_MSG_HW, 2038 "%d ", vport->first_tx_pq_id[tc]); 2039 DP_VERBOSE(p_hwfn, NETIF_MSG_HW, "]\n"); 2040 } 2041 2042 /* pq table */ 2043 for (i = 0; i < qm_info->num_pqs; i++) { 2044 pq = &(qm_info->qm_pq_params[i]); 2045 DP_VERBOSE(p_hwfn, 2046 NETIF_MSG_HW, 2047 "pq idx %d, port %d, vport_id %d, tc %d, wrr_grp %d, rl_valid %d rl_id %d\n", 2048 qm_info->start_pq + i, 2049 pq->port_id, 2050 pq->vport_id, 2051 pq->tc_id, pq->wrr_group, pq->rl_valid, pq->rl_id); 2052 } 2053 } 2054 2055 static void qed_init_qm_info(struct qed_hwfn *p_hwfn) 2056 { 2057 /* reset params required for init run */ 2058 qed_init_qm_reset_params(p_hwfn); 2059 2060 /* init QM top level params */ 2061 qed_init_qm_params(p_hwfn); 2062 2063 /* init QM port params */ 2064 qed_init_qm_port_params(p_hwfn); 2065 2066 /* init QM vport params */ 2067 qed_init_qm_vport_params(p_hwfn); 2068 2069 /* init QM physical queue params */ 2070 qed_init_qm_pq_params(p_hwfn); 2071 2072 /* display all that init */ 2073 qed_dp_init_qm_params(p_hwfn); 2074 } 2075 2076 /* This function reconfigures the QM pf on the fly. 2077 * For this purpose we: 2078 * 1. reconfigure the QM database 2079 * 2. set new values to runtime array 2080 * 3. send an sdm_qm_cmd through the rbc interface to stop the QM 2081 * 4. activate init tool in QM_PF stage 2082 * 5. send an sdm_qm_cmd through rbc interface to release the QM 2083 */ 2084 int qed_qm_reconf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 2085 { 2086 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 2087 bool b_rc; 2088 int rc; 2089 2090 /* initialize qed's qm data structure */ 2091 qed_init_qm_info(p_hwfn); 2092 2093 /* stop PF's qm queues */ 2094 spin_lock_bh(&qm_lock); 2095 b_rc = qed_send_qm_stop_cmd(p_hwfn, p_ptt, false, true, 2096 qm_info->start_pq, qm_info->num_pqs); 2097 spin_unlock_bh(&qm_lock); 2098 if (!b_rc) 2099 return -EINVAL; 2100 2101 /* prepare QM portion of runtime array */ 2102 qed_qm_init_pf(p_hwfn, p_ptt, false); 2103 2104 /* activate init tool on runtime array */ 2105 rc = qed_init_run(p_hwfn, p_ptt, PHASE_QM_PF, p_hwfn->rel_pf_id, 2106 p_hwfn->hw_info.hw_mode); 2107 if (rc) 2108 return rc; 2109 2110 /* start PF's qm queues */ 2111 spin_lock_bh(&qm_lock); 2112 b_rc = qed_send_qm_stop_cmd(p_hwfn, p_ptt, true, true, 2113 qm_info->start_pq, qm_info->num_pqs); 2114 spin_unlock_bh(&qm_lock); 2115 if (!b_rc) 2116 return -EINVAL; 2117 2118 return 0; 2119 } 2120 2121 static int qed_alloc_qm_data(struct qed_hwfn *p_hwfn) 2122 { 2123 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 2124 int rc; 2125 2126 rc = qed_init_qm_sanity(p_hwfn); 2127 if (rc) 2128 goto alloc_err; 2129 2130 qm_info->qm_pq_params = kcalloc(qed_init_qm_get_num_pqs(p_hwfn), 2131 sizeof(*qm_info->qm_pq_params), 2132 GFP_KERNEL); 2133 if (!qm_info->qm_pq_params) 2134 goto alloc_err; 2135 2136 qm_info->qm_vport_params = kcalloc(qed_init_qm_get_num_vports(p_hwfn), 2137 sizeof(*qm_info->qm_vport_params), 2138 GFP_KERNEL); 2139 if (!qm_info->qm_vport_params) 2140 goto alloc_err; 2141 2142 qm_info->qm_port_params = kcalloc(p_hwfn->cdev->num_ports_in_engine, 2143 sizeof(*qm_info->qm_port_params), 2144 GFP_KERNEL); 2145 if (!qm_info->qm_port_params) 2146 goto alloc_err; 2147 2148 qm_info->wfq_data = kcalloc(qed_init_qm_get_num_vports(p_hwfn), 2149 sizeof(*qm_info->wfq_data), 2150 GFP_KERNEL); 2151 if (!qm_info->wfq_data) 2152 goto alloc_err; 2153 2154 return 0; 2155 2156 alloc_err: 2157 DP_NOTICE(p_hwfn, "Failed to allocate memory for QM params\n"); 2158 qed_qm_info_free(p_hwfn); 2159 return -ENOMEM; 2160 } 2161 2162 int qed_resc_alloc(struct qed_dev *cdev) 2163 { 2164 u32 rdma_tasks, excess_tasks; 2165 u32 line_count; 2166 int i, rc = 0; 2167 2168 if (IS_VF(cdev)) { 2169 for_each_hwfn(cdev, i) { 2170 rc = qed_l2_alloc(&cdev->hwfns[i]); 2171 if (rc) 2172 return rc; 2173 } 2174 return rc; 2175 } 2176 2177 cdev->fw_data = kzalloc(sizeof(*cdev->fw_data), GFP_KERNEL); 2178 if (!cdev->fw_data) 2179 return -ENOMEM; 2180 2181 for_each_hwfn(cdev, i) { 2182 struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 2183 u32 n_eqes, num_cons; 2184 2185 /* Initialize the doorbell recovery mechanism */ 2186 rc = qed_db_recovery_setup(p_hwfn); 2187 if (rc) 2188 goto alloc_err; 2189 2190 /* First allocate the context manager structure */ 2191 rc = qed_cxt_mngr_alloc(p_hwfn); 2192 if (rc) 2193 goto alloc_err; 2194 2195 /* Set the HW cid/tid numbers (in the contest manager) 2196 * Must be done prior to any further computations. 2197 */ 2198 rc = qed_cxt_set_pf_params(p_hwfn, RDMA_MAX_TIDS); 2199 if (rc) 2200 goto alloc_err; 2201 2202 rc = qed_alloc_qm_data(p_hwfn); 2203 if (rc) 2204 goto alloc_err; 2205 2206 /* init qm info */ 2207 qed_init_qm_info(p_hwfn); 2208 2209 /* Compute the ILT client partition */ 2210 rc = qed_cxt_cfg_ilt_compute(p_hwfn, &line_count); 2211 if (rc) { 2212 DP_NOTICE(p_hwfn, 2213 "too many ILT lines; re-computing with less lines\n"); 2214 /* In case there are not enough ILT lines we reduce the 2215 * number of RDMA tasks and re-compute. 2216 */ 2217 excess_tasks = 2218 qed_cxt_cfg_ilt_compute_excess(p_hwfn, line_count); 2219 if (!excess_tasks) 2220 goto alloc_err; 2221 2222 rdma_tasks = RDMA_MAX_TIDS - excess_tasks; 2223 rc = qed_cxt_set_pf_params(p_hwfn, rdma_tasks); 2224 if (rc) 2225 goto alloc_err; 2226 2227 rc = qed_cxt_cfg_ilt_compute(p_hwfn, &line_count); 2228 if (rc) { 2229 DP_ERR(p_hwfn, 2230 "failed ILT compute. Requested too many lines: %u\n", 2231 line_count); 2232 2233 goto alloc_err; 2234 } 2235 } 2236 2237 /* CID map / ILT shadow table / T2 2238 * The talbes sizes are determined by the computations above 2239 */ 2240 rc = qed_cxt_tables_alloc(p_hwfn); 2241 if (rc) 2242 goto alloc_err; 2243 2244 /* SPQ, must follow ILT because initializes SPQ context */ 2245 rc = qed_spq_alloc(p_hwfn); 2246 if (rc) 2247 goto alloc_err; 2248 2249 /* SP status block allocation */ 2250 p_hwfn->p_dpc_ptt = qed_get_reserved_ptt(p_hwfn, 2251 RESERVED_PTT_DPC); 2252 2253 rc = qed_int_alloc(p_hwfn, p_hwfn->p_main_ptt); 2254 if (rc) 2255 goto alloc_err; 2256 2257 rc = qed_iov_alloc(p_hwfn); 2258 if (rc) 2259 goto alloc_err; 2260 2261 /* EQ */ 2262 n_eqes = qed_chain_get_capacity(&p_hwfn->p_spq->chain); 2263 if (QED_IS_RDMA_PERSONALITY(p_hwfn)) { 2264 u32 n_srq = qed_cxt_get_total_srq_count(p_hwfn); 2265 enum protocol_type rdma_proto; 2266 2267 if (QED_IS_ROCE_PERSONALITY(p_hwfn)) 2268 rdma_proto = PROTOCOLID_ROCE; 2269 else 2270 rdma_proto = PROTOCOLID_IWARP; 2271 2272 num_cons = qed_cxt_get_proto_cid_count(p_hwfn, 2273 rdma_proto, 2274 NULL) * 2; 2275 /* EQ should be able to get events from all SRQ's 2276 * at the same time 2277 */ 2278 n_eqes += num_cons + 2 * MAX_NUM_VFS_BB + n_srq; 2279 } else if (p_hwfn->hw_info.personality == QED_PCI_ISCSI || 2280 p_hwfn->hw_info.personality == QED_PCI_NVMETCP) { 2281 num_cons = 2282 qed_cxt_get_proto_cid_count(p_hwfn, 2283 PROTOCOLID_TCP_ULP, 2284 NULL); 2285 n_eqes += 2 * num_cons; 2286 } 2287 2288 if (n_eqes > 0xFFFF) { 2289 DP_ERR(p_hwfn, 2290 "Cannot allocate 0x%x EQ elements. The maximum of a u16 chain is 0x%x\n", 2291 n_eqes, 0xFFFF); 2292 goto alloc_no_mem; 2293 } 2294 2295 rc = qed_eq_alloc(p_hwfn, (u16)n_eqes); 2296 if (rc) 2297 goto alloc_err; 2298 2299 rc = qed_consq_alloc(p_hwfn); 2300 if (rc) 2301 goto alloc_err; 2302 2303 rc = qed_l2_alloc(p_hwfn); 2304 if (rc) 2305 goto alloc_err; 2306 2307 #ifdef CONFIG_QED_LL2 2308 if (p_hwfn->using_ll2) { 2309 rc = qed_ll2_alloc(p_hwfn); 2310 if (rc) 2311 goto alloc_err; 2312 } 2313 #endif 2314 2315 if (p_hwfn->hw_info.personality == QED_PCI_FCOE) { 2316 rc = qed_fcoe_alloc(p_hwfn); 2317 if (rc) 2318 goto alloc_err; 2319 } 2320 2321 if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) { 2322 rc = qed_iscsi_alloc(p_hwfn); 2323 if (rc) 2324 goto alloc_err; 2325 rc = qed_ooo_alloc(p_hwfn); 2326 if (rc) 2327 goto alloc_err; 2328 } 2329 2330 if (p_hwfn->hw_info.personality == QED_PCI_NVMETCP) { 2331 rc = qed_nvmetcp_alloc(p_hwfn); 2332 if (rc) 2333 goto alloc_err; 2334 rc = qed_ooo_alloc(p_hwfn); 2335 if (rc) 2336 goto alloc_err; 2337 } 2338 2339 if (QED_IS_RDMA_PERSONALITY(p_hwfn)) { 2340 rc = qed_rdma_info_alloc(p_hwfn); 2341 if (rc) 2342 goto alloc_err; 2343 } 2344 2345 /* DMA info initialization */ 2346 rc = qed_dmae_info_alloc(p_hwfn); 2347 if (rc) 2348 goto alloc_err; 2349 2350 /* DCBX initialization */ 2351 rc = qed_dcbx_info_alloc(p_hwfn); 2352 if (rc) 2353 goto alloc_err; 2354 2355 rc = qed_dbg_alloc_user_data(p_hwfn, &p_hwfn->dbg_user_info); 2356 if (rc) 2357 goto alloc_err; 2358 } 2359 2360 rc = qed_llh_alloc(cdev); 2361 if (rc) { 2362 DP_NOTICE(cdev, 2363 "Failed to allocate memory for the llh_info structure\n"); 2364 goto alloc_err; 2365 } 2366 2367 cdev->reset_stats = kzalloc(sizeof(*cdev->reset_stats), GFP_KERNEL); 2368 if (!cdev->reset_stats) 2369 goto alloc_no_mem; 2370 2371 return 0; 2372 2373 alloc_no_mem: 2374 rc = -ENOMEM; 2375 alloc_err: 2376 qed_resc_free(cdev); 2377 return rc; 2378 } 2379 2380 static int qed_fw_err_handler(struct qed_hwfn *p_hwfn, 2381 u8 opcode, 2382 u16 echo, 2383 union event_ring_data *data, u8 fw_return_code) 2384 { 2385 if (fw_return_code != COMMON_ERR_CODE_ERROR) 2386 goto eqe_unexpected; 2387 2388 if (data->err_data.recovery_scope == ERR_SCOPE_FUNC && 2389 le16_to_cpu(data->err_data.entity_id) >= MAX_NUM_PFS) { 2390 qed_sriov_vfpf_malicious(p_hwfn, &data->err_data); 2391 return 0; 2392 } 2393 2394 eqe_unexpected: 2395 DP_ERR(p_hwfn, 2396 "Skipping unexpected eqe 0x%02x, FW return code 0x%x, echo 0x%x\n", 2397 opcode, fw_return_code, echo); 2398 return -EINVAL; 2399 } 2400 2401 static int qed_common_eqe_event(struct qed_hwfn *p_hwfn, 2402 u8 opcode, 2403 __le16 echo, 2404 union event_ring_data *data, 2405 u8 fw_return_code) 2406 { 2407 switch (opcode) { 2408 case COMMON_EVENT_VF_PF_CHANNEL: 2409 case COMMON_EVENT_VF_FLR: 2410 return qed_sriov_eqe_event(p_hwfn, opcode, echo, data, 2411 fw_return_code); 2412 case COMMON_EVENT_FW_ERROR: 2413 return qed_fw_err_handler(p_hwfn, opcode, 2414 le16_to_cpu(echo), data, 2415 fw_return_code); 2416 default: 2417 DP_INFO(p_hwfn->cdev, "Unknown eqe event 0x%02x, echo 0x%x\n", 2418 opcode, echo); 2419 return -EINVAL; 2420 } 2421 } 2422 2423 void qed_resc_setup(struct qed_dev *cdev) 2424 { 2425 int i; 2426 2427 if (IS_VF(cdev)) { 2428 for_each_hwfn(cdev, i) 2429 qed_l2_setup(&cdev->hwfns[i]); 2430 return; 2431 } 2432 2433 for_each_hwfn(cdev, i) { 2434 struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 2435 2436 qed_cxt_mngr_setup(p_hwfn); 2437 qed_spq_setup(p_hwfn); 2438 qed_eq_setup(p_hwfn); 2439 qed_consq_setup(p_hwfn); 2440 2441 /* Read shadow of current MFW mailbox */ 2442 qed_mcp_read_mb(p_hwfn, p_hwfn->p_main_ptt); 2443 memcpy(p_hwfn->mcp_info->mfw_mb_shadow, 2444 p_hwfn->mcp_info->mfw_mb_cur, 2445 p_hwfn->mcp_info->mfw_mb_length); 2446 2447 qed_int_setup(p_hwfn, p_hwfn->p_main_ptt); 2448 2449 qed_l2_setup(p_hwfn); 2450 qed_iov_setup(p_hwfn); 2451 qed_spq_register_async_cb(p_hwfn, PROTOCOLID_COMMON, 2452 qed_common_eqe_event); 2453 #ifdef CONFIG_QED_LL2 2454 if (p_hwfn->using_ll2) 2455 qed_ll2_setup(p_hwfn); 2456 #endif 2457 if (p_hwfn->hw_info.personality == QED_PCI_FCOE) 2458 qed_fcoe_setup(p_hwfn); 2459 2460 if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) { 2461 qed_iscsi_setup(p_hwfn); 2462 qed_ooo_setup(p_hwfn); 2463 } 2464 2465 if (p_hwfn->hw_info.personality == QED_PCI_NVMETCP) { 2466 qed_nvmetcp_setup(p_hwfn); 2467 qed_ooo_setup(p_hwfn); 2468 } 2469 } 2470 } 2471 2472 #define FINAL_CLEANUP_POLL_CNT (100) 2473 #define FINAL_CLEANUP_POLL_TIME (10) 2474 int qed_final_cleanup(struct qed_hwfn *p_hwfn, 2475 struct qed_ptt *p_ptt, u16 id, bool is_vf) 2476 { 2477 u32 command = 0, addr, count = FINAL_CLEANUP_POLL_CNT; 2478 int rc = -EBUSY; 2479 2480 addr = GET_GTT_REG_ADDR(GTT_BAR0_MAP_REG_USDM_RAM, 2481 USTORM_FLR_FINAL_ACK, p_hwfn->rel_pf_id); 2482 if (is_vf) 2483 id += 0x10; 2484 2485 command |= X_FINAL_CLEANUP_AGG_INT << 2486 SDM_AGG_INT_COMP_PARAMS_AGG_INT_INDEX_SHIFT; 2487 command |= 1 << SDM_AGG_INT_COMP_PARAMS_AGG_VECTOR_ENABLE_SHIFT; 2488 command |= id << SDM_AGG_INT_COMP_PARAMS_AGG_VECTOR_BIT_SHIFT; 2489 command |= SDM_COMP_TYPE_AGG_INT << SDM_OP_GEN_COMP_TYPE_SHIFT; 2490 2491 /* Make sure notification is not set before initiating final cleanup */ 2492 if (REG_RD(p_hwfn, addr)) { 2493 DP_NOTICE(p_hwfn, 2494 "Unexpected; Found final cleanup notification before initiating final cleanup\n"); 2495 REG_WR(p_hwfn, addr, 0); 2496 } 2497 2498 DP_VERBOSE(p_hwfn, QED_MSG_IOV, 2499 "Sending final cleanup for PFVF[%d] [Command %08x]\n", 2500 id, command); 2501 2502 qed_wr(p_hwfn, p_ptt, XSDM_REG_OPERATION_GEN, command); 2503 2504 /* Poll until completion */ 2505 while (!REG_RD(p_hwfn, addr) && count--) 2506 msleep(FINAL_CLEANUP_POLL_TIME); 2507 2508 if (REG_RD(p_hwfn, addr)) 2509 rc = 0; 2510 else 2511 DP_NOTICE(p_hwfn, 2512 "Failed to receive FW final cleanup notification\n"); 2513 2514 /* Cleanup afterwards */ 2515 REG_WR(p_hwfn, addr, 0); 2516 2517 return rc; 2518 } 2519 2520 static int qed_calc_hw_mode(struct qed_hwfn *p_hwfn) 2521 { 2522 int hw_mode = 0; 2523 2524 if (QED_IS_BB_B0(p_hwfn->cdev)) { 2525 hw_mode |= 1 << MODE_BB; 2526 } else if (QED_IS_AH(p_hwfn->cdev)) { 2527 hw_mode |= 1 << MODE_K2; 2528 } else { 2529 DP_NOTICE(p_hwfn, "Unknown chip type %#x\n", 2530 p_hwfn->cdev->type); 2531 return -EINVAL; 2532 } 2533 2534 switch (p_hwfn->cdev->num_ports_in_engine) { 2535 case 1: 2536 hw_mode |= 1 << MODE_PORTS_PER_ENG_1; 2537 break; 2538 case 2: 2539 hw_mode |= 1 << MODE_PORTS_PER_ENG_2; 2540 break; 2541 case 4: 2542 hw_mode |= 1 << MODE_PORTS_PER_ENG_4; 2543 break; 2544 default: 2545 DP_NOTICE(p_hwfn, "num_ports_in_engine = %d not supported\n", 2546 p_hwfn->cdev->num_ports_in_engine); 2547 return -EINVAL; 2548 } 2549 2550 if (test_bit(QED_MF_OVLAN_CLSS, &p_hwfn->cdev->mf_bits)) 2551 hw_mode |= 1 << MODE_MF_SD; 2552 else 2553 hw_mode |= 1 << MODE_MF_SI; 2554 2555 hw_mode |= 1 << MODE_ASIC; 2556 2557 if (p_hwfn->cdev->num_hwfns > 1) 2558 hw_mode |= 1 << MODE_100G; 2559 2560 p_hwfn->hw_info.hw_mode = hw_mode; 2561 2562 DP_VERBOSE(p_hwfn, (NETIF_MSG_PROBE | NETIF_MSG_IFUP), 2563 "Configuring function for hw_mode: 0x%08x\n", 2564 p_hwfn->hw_info.hw_mode); 2565 2566 return 0; 2567 } 2568 2569 /* Init run time data for all PFs on an engine. */ 2570 static void qed_init_cau_rt_data(struct qed_dev *cdev) 2571 { 2572 u32 offset = CAU_REG_SB_VAR_MEMORY_RT_OFFSET; 2573 int i, igu_sb_id; 2574 2575 for_each_hwfn(cdev, i) { 2576 struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 2577 struct qed_igu_info *p_igu_info; 2578 struct qed_igu_block *p_block; 2579 struct cau_sb_entry sb_entry; 2580 2581 p_igu_info = p_hwfn->hw_info.p_igu_info; 2582 2583 for (igu_sb_id = 0; 2584 igu_sb_id < QED_MAPPING_MEMORY_SIZE(cdev); igu_sb_id++) { 2585 p_block = &p_igu_info->entry[igu_sb_id]; 2586 2587 if (!p_block->is_pf) 2588 continue; 2589 2590 qed_init_cau_sb_entry(p_hwfn, &sb_entry, 2591 p_block->function_id, 0, 0); 2592 STORE_RT_REG_AGG(p_hwfn, offset + igu_sb_id * 2, 2593 sb_entry); 2594 } 2595 } 2596 } 2597 2598 static void qed_init_cache_line_size(struct qed_hwfn *p_hwfn, 2599 struct qed_ptt *p_ptt) 2600 { 2601 u32 val, wr_mbs, cache_line_size; 2602 2603 val = qed_rd(p_hwfn, p_ptt, PSWRQ2_REG_WR_MBS0); 2604 switch (val) { 2605 case 0: 2606 wr_mbs = 128; 2607 break; 2608 case 1: 2609 wr_mbs = 256; 2610 break; 2611 case 2: 2612 wr_mbs = 512; 2613 break; 2614 default: 2615 DP_INFO(p_hwfn, 2616 "Unexpected value of PSWRQ2_REG_WR_MBS0 [0x%x]. Avoid configuring PGLUE_B_REG_CACHE_LINE_SIZE.\n", 2617 val); 2618 return; 2619 } 2620 2621 cache_line_size = min_t(u32, L1_CACHE_BYTES, wr_mbs); 2622 switch (cache_line_size) { 2623 case 32: 2624 val = 0; 2625 break; 2626 case 64: 2627 val = 1; 2628 break; 2629 case 128: 2630 val = 2; 2631 break; 2632 case 256: 2633 val = 3; 2634 break; 2635 default: 2636 DP_INFO(p_hwfn, 2637 "Unexpected value of cache line size [0x%x]. Avoid configuring PGLUE_B_REG_CACHE_LINE_SIZE.\n", 2638 cache_line_size); 2639 } 2640 2641 if (wr_mbs < L1_CACHE_BYTES) 2642 DP_INFO(p_hwfn, 2643 "The cache line size for padding is suboptimal for performance [OS cache line size 0x%x, wr mbs 0x%x]\n", 2644 L1_CACHE_BYTES, wr_mbs); 2645 2646 STORE_RT_REG(p_hwfn, PGLUE_REG_B_CACHE_LINE_SIZE_RT_OFFSET, val); 2647 if (val > 0) { 2648 STORE_RT_REG(p_hwfn, PSWRQ2_REG_DRAM_ALIGN_WR_RT_OFFSET, val); 2649 STORE_RT_REG(p_hwfn, PSWRQ2_REG_DRAM_ALIGN_RD_RT_OFFSET, val); 2650 } 2651 } 2652 2653 static int qed_hw_init_common(struct qed_hwfn *p_hwfn, 2654 struct qed_ptt *p_ptt, int hw_mode) 2655 { 2656 struct qed_qm_info *qm_info = &p_hwfn->qm_info; 2657 struct qed_qm_common_rt_init_params *params; 2658 struct qed_dev *cdev = p_hwfn->cdev; 2659 u8 vf_id, max_num_vfs; 2660 u16 num_pfs, pf_id; 2661 u32 concrete_fid; 2662 int rc = 0; 2663 2664 params = kzalloc(sizeof(*params), GFP_KERNEL); 2665 if (!params) { 2666 DP_NOTICE(p_hwfn->cdev, 2667 "Failed to allocate common init params\n"); 2668 2669 return -ENOMEM; 2670 } 2671 2672 qed_init_cau_rt_data(cdev); 2673 2674 /* Program GTT windows */ 2675 qed_gtt_init(p_hwfn); 2676 2677 if (p_hwfn->mcp_info) { 2678 if (p_hwfn->mcp_info->func_info.bandwidth_max) 2679 qm_info->pf_rl_en = true; 2680 if (p_hwfn->mcp_info->func_info.bandwidth_min) 2681 qm_info->pf_wfq_en = true; 2682 } 2683 2684 params->max_ports_per_engine = p_hwfn->cdev->num_ports_in_engine; 2685 params->max_phys_tcs_per_port = qm_info->max_phys_tcs_per_port; 2686 params->pf_rl_en = qm_info->pf_rl_en; 2687 params->pf_wfq_en = qm_info->pf_wfq_en; 2688 params->global_rl_en = qm_info->vport_rl_en; 2689 params->vport_wfq_en = qm_info->vport_wfq_en; 2690 params->port_params = qm_info->qm_port_params; 2691 2692 qed_qm_common_rt_init(p_hwfn, params); 2693 2694 qed_cxt_hw_init_common(p_hwfn); 2695 2696 qed_init_cache_line_size(p_hwfn, p_ptt); 2697 2698 rc = qed_init_run(p_hwfn, p_ptt, PHASE_ENGINE, ANY_PHASE_ID, hw_mode); 2699 if (rc) 2700 goto out; 2701 2702 qed_wr(p_hwfn, p_ptt, PSWRQ2_REG_L2P_VALIDATE_VFID, 0); 2703 qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_USE_CLIENTID_IN_TAG, 1); 2704 2705 if (QED_IS_BB(p_hwfn->cdev)) { 2706 num_pfs = NUM_OF_ENG_PFS(p_hwfn->cdev); 2707 for (pf_id = 0; pf_id < num_pfs; pf_id++) { 2708 qed_fid_pretend(p_hwfn, p_ptt, pf_id); 2709 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_ROCE, 0x0); 2710 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TCP, 0x0); 2711 } 2712 /* pretend to original PF */ 2713 qed_fid_pretend(p_hwfn, p_ptt, p_hwfn->rel_pf_id); 2714 } 2715 2716 max_num_vfs = QED_IS_AH(cdev) ? MAX_NUM_VFS_K2 : MAX_NUM_VFS_BB; 2717 for (vf_id = 0; vf_id < max_num_vfs; vf_id++) { 2718 concrete_fid = qed_vfid_to_concrete(p_hwfn, vf_id); 2719 qed_fid_pretend(p_hwfn, p_ptt, (u16)concrete_fid); 2720 qed_wr(p_hwfn, p_ptt, CCFC_REG_STRONG_ENABLE_VF, 0x1); 2721 qed_wr(p_hwfn, p_ptt, CCFC_REG_WEAK_ENABLE_VF, 0x0); 2722 qed_wr(p_hwfn, p_ptt, TCFC_REG_STRONG_ENABLE_VF, 0x1); 2723 qed_wr(p_hwfn, p_ptt, TCFC_REG_WEAK_ENABLE_VF, 0x0); 2724 } 2725 /* pretend to original PF */ 2726 qed_fid_pretend(p_hwfn, p_ptt, p_hwfn->rel_pf_id); 2727 2728 out: 2729 kfree(params); 2730 2731 return rc; 2732 } 2733 2734 static int 2735 qed_hw_init_dpi_size(struct qed_hwfn *p_hwfn, 2736 struct qed_ptt *p_ptt, u32 pwm_region_size, u32 n_cpus) 2737 { 2738 u32 dpi_bit_shift, dpi_count, dpi_page_size; 2739 u32 min_dpis; 2740 u32 n_wids; 2741 2742 /* Calculate DPI size */ 2743 n_wids = max_t(u32, QED_MIN_WIDS, n_cpus); 2744 dpi_page_size = QED_WID_SIZE * roundup_pow_of_two(n_wids); 2745 dpi_page_size = (dpi_page_size + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1); 2746 dpi_bit_shift = ilog2(dpi_page_size / 4096); 2747 dpi_count = pwm_region_size / dpi_page_size; 2748 2749 min_dpis = p_hwfn->pf_params.rdma_pf_params.min_dpis; 2750 min_dpis = max_t(u32, QED_MIN_DPIS, min_dpis); 2751 2752 p_hwfn->dpi_size = dpi_page_size; 2753 p_hwfn->dpi_count = dpi_count; 2754 2755 qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_DPI_BIT_SHIFT, dpi_bit_shift); 2756 2757 if (dpi_count < min_dpis) 2758 return -EINVAL; 2759 2760 return 0; 2761 } 2762 2763 enum QED_ROCE_EDPM_MODE { 2764 QED_ROCE_EDPM_MODE_ENABLE = 0, 2765 QED_ROCE_EDPM_MODE_FORCE_ON = 1, 2766 QED_ROCE_EDPM_MODE_DISABLE = 2, 2767 }; 2768 2769 bool qed_edpm_enabled(struct qed_hwfn *p_hwfn) 2770 { 2771 if (p_hwfn->dcbx_no_edpm || p_hwfn->db_bar_no_edpm) 2772 return false; 2773 2774 return true; 2775 } 2776 2777 static int 2778 qed_hw_init_pf_doorbell_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 2779 { 2780 u32 pwm_regsize, norm_regsize; 2781 u32 non_pwm_conn, min_addr_reg1; 2782 u32 db_bar_size, n_cpus = 1; 2783 u32 roce_edpm_mode; 2784 u32 pf_dems_shift; 2785 int rc = 0; 2786 u8 cond; 2787 2788 db_bar_size = qed_hw_bar_size(p_hwfn, p_ptt, BAR_ID_1); 2789 if (p_hwfn->cdev->num_hwfns > 1) 2790 db_bar_size /= 2; 2791 2792 /* Calculate doorbell regions */ 2793 non_pwm_conn = qed_cxt_get_proto_cid_start(p_hwfn, PROTOCOLID_CORE) + 2794 qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_CORE, 2795 NULL) + 2796 qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH, 2797 NULL); 2798 norm_regsize = roundup(QED_PF_DEMS_SIZE * non_pwm_conn, PAGE_SIZE); 2799 min_addr_reg1 = norm_regsize / 4096; 2800 pwm_regsize = db_bar_size - norm_regsize; 2801 2802 /* Check that the normal and PWM sizes are valid */ 2803 if (db_bar_size < norm_regsize) { 2804 DP_ERR(p_hwfn->cdev, 2805 "Doorbell BAR size 0x%x is too small (normal region is 0x%0x )\n", 2806 db_bar_size, norm_regsize); 2807 return -EINVAL; 2808 } 2809 2810 if (pwm_regsize < QED_MIN_PWM_REGION) { 2811 DP_ERR(p_hwfn->cdev, 2812 "PWM region size 0x%0x is too small. Should be at least 0x%0x (Doorbell BAR size is 0x%x and normal region size is 0x%0x)\n", 2813 pwm_regsize, 2814 QED_MIN_PWM_REGION, db_bar_size, norm_regsize); 2815 return -EINVAL; 2816 } 2817 2818 /* Calculate number of DPIs */ 2819 roce_edpm_mode = p_hwfn->pf_params.rdma_pf_params.roce_edpm_mode; 2820 if ((roce_edpm_mode == QED_ROCE_EDPM_MODE_ENABLE) || 2821 ((roce_edpm_mode == QED_ROCE_EDPM_MODE_FORCE_ON))) { 2822 /* Either EDPM is mandatory, or we are attempting to allocate a 2823 * WID per CPU. 2824 */ 2825 n_cpus = num_present_cpus(); 2826 rc = qed_hw_init_dpi_size(p_hwfn, p_ptt, pwm_regsize, n_cpus); 2827 } 2828 2829 cond = (rc && (roce_edpm_mode == QED_ROCE_EDPM_MODE_ENABLE)) || 2830 (roce_edpm_mode == QED_ROCE_EDPM_MODE_DISABLE); 2831 if (cond || p_hwfn->dcbx_no_edpm) { 2832 /* Either EDPM is disabled from user configuration, or it is 2833 * disabled via DCBx, or it is not mandatory and we failed to 2834 * allocated a WID per CPU. 2835 */ 2836 n_cpus = 1; 2837 rc = qed_hw_init_dpi_size(p_hwfn, p_ptt, pwm_regsize, n_cpus); 2838 2839 if (cond) 2840 qed_rdma_dpm_bar(p_hwfn, p_ptt); 2841 } 2842 2843 p_hwfn->wid_count = (u16)n_cpus; 2844 2845 DP_INFO(p_hwfn, 2846 "doorbell bar: normal_region_size=%d, pwm_region_size=%d, dpi_size=%d, dpi_count=%d, roce_edpm=%s, page_size=%lu\n", 2847 norm_regsize, 2848 pwm_regsize, 2849 p_hwfn->dpi_size, 2850 p_hwfn->dpi_count, 2851 (!qed_edpm_enabled(p_hwfn)) ? 2852 "disabled" : "enabled", PAGE_SIZE); 2853 2854 if (rc) { 2855 DP_ERR(p_hwfn, 2856 "Failed to allocate enough DPIs. Allocated %d but the current minimum is %d.\n", 2857 p_hwfn->dpi_count, 2858 p_hwfn->pf_params.rdma_pf_params.min_dpis); 2859 return -EINVAL; 2860 } 2861 2862 p_hwfn->dpi_start_offset = norm_regsize; 2863 2864 /* DEMS size is configured log2 of DWORDs, hence the division by 4 */ 2865 pf_dems_shift = ilog2(QED_PF_DEMS_SIZE / 4); 2866 qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_ICID_BIT_SHIFT_NORM, pf_dems_shift); 2867 qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_MIN_ADDR_REG1, min_addr_reg1); 2868 2869 return 0; 2870 } 2871 2872 static int qed_hw_init_port(struct qed_hwfn *p_hwfn, 2873 struct qed_ptt *p_ptt, int hw_mode) 2874 { 2875 int rc = 0; 2876 2877 /* In CMT the gate should be cleared by the 2nd hwfn */ 2878 if (!QED_IS_CMT(p_hwfn->cdev) || !IS_LEAD_HWFN(p_hwfn)) 2879 STORE_RT_REG(p_hwfn, NIG_REG_BRB_GATE_DNTFWD_PORT_RT_OFFSET, 0); 2880 2881 rc = qed_init_run(p_hwfn, p_ptt, PHASE_PORT, p_hwfn->port_id, hw_mode); 2882 if (rc) 2883 return rc; 2884 2885 qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_MASTER_WRITE_PAD_ENABLE, 0); 2886 2887 return 0; 2888 } 2889 2890 static int qed_hw_init_pf(struct qed_hwfn *p_hwfn, 2891 struct qed_ptt *p_ptt, 2892 struct qed_tunnel_info *p_tunn, 2893 int hw_mode, 2894 bool b_hw_start, 2895 enum qed_int_mode int_mode, 2896 bool allow_npar_tx_switch) 2897 { 2898 u8 rel_pf_id = p_hwfn->rel_pf_id; 2899 int rc = 0; 2900 2901 if (p_hwfn->mcp_info) { 2902 struct qed_mcp_function_info *p_info; 2903 2904 p_info = &p_hwfn->mcp_info->func_info; 2905 if (p_info->bandwidth_min) 2906 p_hwfn->qm_info.pf_wfq = p_info->bandwidth_min; 2907 2908 /* Update rate limit once we'll actually have a link */ 2909 p_hwfn->qm_info.pf_rl = 100000; 2910 } 2911 2912 qed_cxt_hw_init_pf(p_hwfn, p_ptt); 2913 2914 qed_int_igu_init_rt(p_hwfn); 2915 2916 /* Set VLAN in NIG if needed */ 2917 if (hw_mode & BIT(MODE_MF_SD)) { 2918 DP_VERBOSE(p_hwfn, NETIF_MSG_HW, "Configuring LLH_FUNC_TAG\n"); 2919 STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_TAG_EN_RT_OFFSET, 1); 2920 STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_TAG_VALUE_RT_OFFSET, 2921 p_hwfn->hw_info.ovlan); 2922 2923 DP_VERBOSE(p_hwfn, NETIF_MSG_HW, 2924 "Configuring LLH_FUNC_FILTER_HDR_SEL\n"); 2925 STORE_RT_REG(p_hwfn, NIG_REG_LLH_FUNC_FILTER_HDR_SEL_RT_OFFSET, 2926 1); 2927 } 2928 2929 /* Enable classification by MAC if needed */ 2930 if (hw_mode & BIT(MODE_MF_SI)) { 2931 DP_VERBOSE(p_hwfn, NETIF_MSG_HW, 2932 "Configuring TAGMAC_CLS_TYPE\n"); 2933 STORE_RT_REG(p_hwfn, 2934 NIG_REG_LLH_FUNC_TAGMAC_CLS_TYPE_RT_OFFSET, 1); 2935 } 2936 2937 /* Protocol Configuration */ 2938 STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_TCP_RT_OFFSET, 2939 ((p_hwfn->hw_info.personality == QED_PCI_ISCSI) || 2940 (p_hwfn->hw_info.personality == QED_PCI_NVMETCP)) ? 1 : 0); 2941 STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_FCOE_RT_OFFSET, 2942 (p_hwfn->hw_info.personality == QED_PCI_FCOE) ? 1 : 0); 2943 STORE_RT_REG(p_hwfn, PRS_REG_SEARCH_ROCE_RT_OFFSET, 0); 2944 2945 /* Sanity check before the PF init sequence that uses DMAE */ 2946 rc = qed_dmae_sanity(p_hwfn, p_ptt, "pf_phase"); 2947 if (rc) 2948 return rc; 2949 2950 /* PF Init sequence */ 2951 rc = qed_init_run(p_hwfn, p_ptt, PHASE_PF, rel_pf_id, hw_mode); 2952 if (rc) 2953 return rc; 2954 2955 /* QM_PF Init sequence (may be invoked separately e.g. for DCB) */ 2956 rc = qed_init_run(p_hwfn, p_ptt, PHASE_QM_PF, rel_pf_id, hw_mode); 2957 if (rc) 2958 return rc; 2959 2960 qed_fw_overlay_init_ram(p_hwfn, p_ptt, p_hwfn->fw_overlay_mem); 2961 2962 /* Pure runtime initializations - directly to the HW */ 2963 qed_int_igu_init_pure_rt(p_hwfn, p_ptt, true, true); 2964 2965 rc = qed_hw_init_pf_doorbell_bar(p_hwfn, p_ptt); 2966 if (rc) 2967 return rc; 2968 2969 /* Use the leading hwfn since in CMT only NIG #0 is operational */ 2970 if (IS_LEAD_HWFN(p_hwfn)) { 2971 rc = qed_llh_hw_init_pf(p_hwfn, p_ptt); 2972 if (rc) 2973 return rc; 2974 } 2975 2976 if (b_hw_start) { 2977 /* enable interrupts */ 2978 qed_int_igu_enable(p_hwfn, p_ptt, int_mode); 2979 2980 /* send function start command */ 2981 rc = qed_sp_pf_start(p_hwfn, p_ptt, p_tunn, 2982 allow_npar_tx_switch); 2983 if (rc) { 2984 DP_NOTICE(p_hwfn, "Function start ramrod failed\n"); 2985 return rc; 2986 } 2987 if (p_hwfn->hw_info.personality == QED_PCI_FCOE) { 2988 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TAG1, BIT(2)); 2989 qed_wr(p_hwfn, p_ptt, 2990 PRS_REG_PKT_LEN_STAT_TAGS_NOT_COUNTED_FIRST, 2991 0x100); 2992 } 2993 } 2994 return rc; 2995 } 2996 2997 int qed_pglueb_set_pfid_enable(struct qed_hwfn *p_hwfn, 2998 struct qed_ptt *p_ptt, bool b_enable) 2999 { 3000 u32 delay_idx = 0, val, set_val = b_enable ? 1 : 0; 3001 3002 /* Configure the PF's internal FID_enable for master transactions */ 3003 qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, set_val); 3004 3005 /* Wait until value is set - try for 1 second every 50us */ 3006 for (delay_idx = 0; delay_idx < 20000; delay_idx++) { 3007 val = qed_rd(p_hwfn, p_ptt, 3008 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER); 3009 if (val == set_val) 3010 break; 3011 3012 usleep_range(50, 60); 3013 } 3014 3015 if (val != set_val) { 3016 DP_NOTICE(p_hwfn, 3017 "PFID_ENABLE_MASTER wasn't changed after a second\n"); 3018 return -EAGAIN; 3019 } 3020 3021 return 0; 3022 } 3023 3024 static void qed_reset_mb_shadow(struct qed_hwfn *p_hwfn, 3025 struct qed_ptt *p_main_ptt) 3026 { 3027 /* Read shadow of current MFW mailbox */ 3028 qed_mcp_read_mb(p_hwfn, p_main_ptt); 3029 memcpy(p_hwfn->mcp_info->mfw_mb_shadow, 3030 p_hwfn->mcp_info->mfw_mb_cur, p_hwfn->mcp_info->mfw_mb_length); 3031 } 3032 3033 static void 3034 qed_fill_load_req_params(struct qed_load_req_params *p_load_req, 3035 struct qed_drv_load_params *p_drv_load) 3036 { 3037 memset(p_load_req, 0, sizeof(*p_load_req)); 3038 3039 p_load_req->drv_role = p_drv_load->is_crash_kernel ? 3040 QED_DRV_ROLE_KDUMP : QED_DRV_ROLE_OS; 3041 p_load_req->timeout_val = p_drv_load->mfw_timeout_val; 3042 p_load_req->avoid_eng_reset = p_drv_load->avoid_eng_reset; 3043 p_load_req->override_force_load = p_drv_load->override_force_load; 3044 } 3045 3046 static int qed_vf_start(struct qed_hwfn *p_hwfn, 3047 struct qed_hw_init_params *p_params) 3048 { 3049 if (p_params->p_tunn) { 3050 qed_vf_set_vf_start_tunn_update_param(p_params->p_tunn); 3051 qed_vf_pf_tunnel_param_update(p_hwfn, p_params->p_tunn); 3052 } 3053 3054 p_hwfn->b_int_enabled = true; 3055 3056 return 0; 3057 } 3058 3059 static void qed_pglueb_clear_err(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 3060 { 3061 qed_wr(p_hwfn, p_ptt, PGLUE_B_REG_WAS_ERROR_PF_31_0_CLR, 3062 BIT(p_hwfn->abs_pf_id)); 3063 } 3064 3065 int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params) 3066 { 3067 struct qed_load_req_params load_req_params; 3068 u32 load_code, resp, param, drv_mb_param; 3069 bool b_default_mtu = true; 3070 struct qed_hwfn *p_hwfn; 3071 const u32 *fw_overlays; 3072 u32 fw_overlays_len; 3073 u16 ether_type; 3074 int rc = 0, i; 3075 3076 if ((p_params->int_mode == QED_INT_MODE_MSI) && (cdev->num_hwfns > 1)) { 3077 DP_NOTICE(cdev, "MSI mode is not supported for CMT devices\n"); 3078 return -EINVAL; 3079 } 3080 3081 if (IS_PF(cdev)) { 3082 rc = qed_init_fw_data(cdev, p_params->bin_fw_data); 3083 if (rc) 3084 return rc; 3085 } 3086 3087 for_each_hwfn(cdev, i) { 3088 p_hwfn = &cdev->hwfns[i]; 3089 3090 /* If management didn't provide a default, set one of our own */ 3091 if (!p_hwfn->hw_info.mtu) { 3092 p_hwfn->hw_info.mtu = 1500; 3093 b_default_mtu = false; 3094 } 3095 3096 if (IS_VF(cdev)) { 3097 qed_vf_start(p_hwfn, p_params); 3098 continue; 3099 } 3100 3101 /* Some flows may keep variable set */ 3102 p_hwfn->mcp_info->mcp_handling_status = 0; 3103 3104 rc = qed_calc_hw_mode(p_hwfn); 3105 if (rc) 3106 return rc; 3107 3108 if (IS_PF(cdev) && (test_bit(QED_MF_8021Q_TAGGING, 3109 &cdev->mf_bits) || 3110 test_bit(QED_MF_8021AD_TAGGING, 3111 &cdev->mf_bits))) { 3112 if (test_bit(QED_MF_8021Q_TAGGING, &cdev->mf_bits)) 3113 ether_type = ETH_P_8021Q; 3114 else 3115 ether_type = ETH_P_8021AD; 3116 STORE_RT_REG(p_hwfn, PRS_REG_TAG_ETHERTYPE_0_RT_OFFSET, 3117 ether_type); 3118 STORE_RT_REG(p_hwfn, NIG_REG_TAG_ETHERTYPE_0_RT_OFFSET, 3119 ether_type); 3120 STORE_RT_REG(p_hwfn, PBF_REG_TAG_ETHERTYPE_0_RT_OFFSET, 3121 ether_type); 3122 STORE_RT_REG(p_hwfn, DORQ_REG_TAG1_ETHERTYPE_RT_OFFSET, 3123 ether_type); 3124 } 3125 3126 qed_fill_load_req_params(&load_req_params, 3127 p_params->p_drv_load_params); 3128 rc = qed_mcp_load_req(p_hwfn, p_hwfn->p_main_ptt, 3129 &load_req_params); 3130 if (rc) { 3131 DP_NOTICE(p_hwfn, "Failed sending a LOAD_REQ command\n"); 3132 return rc; 3133 } 3134 3135 load_code = load_req_params.load_code; 3136 DP_VERBOSE(p_hwfn, QED_MSG_SP, 3137 "Load request was sent. Load code: 0x%x\n", 3138 load_code); 3139 3140 /* Only relevant for recovery: 3141 * Clear the indication after LOAD_REQ is responded by the MFW. 3142 */ 3143 cdev->recov_in_prog = false; 3144 3145 qed_mcp_set_capabilities(p_hwfn, p_hwfn->p_main_ptt); 3146 3147 qed_reset_mb_shadow(p_hwfn, p_hwfn->p_main_ptt); 3148 3149 /* Clean up chip from previous driver if such remains exist. 3150 * This is not needed when the PF is the first one on the 3151 * engine, since afterwards we are going to init the FW. 3152 */ 3153 if (load_code != FW_MSG_CODE_DRV_LOAD_ENGINE) { 3154 rc = qed_final_cleanup(p_hwfn, p_hwfn->p_main_ptt, 3155 p_hwfn->rel_pf_id, false); 3156 if (rc) { 3157 qed_hw_err_notify(p_hwfn, p_hwfn->p_main_ptt, 3158 QED_HW_ERR_RAMROD_FAIL, 3159 "Final cleanup failed\n"); 3160 goto load_err; 3161 } 3162 } 3163 3164 /* Log and clear previous pglue_b errors if such exist */ 3165 qed_pglueb_rbc_attn_handler(p_hwfn, p_hwfn->p_main_ptt, true); 3166 3167 /* Enable the PF's internal FID_enable in the PXP */ 3168 rc = qed_pglueb_set_pfid_enable(p_hwfn, p_hwfn->p_main_ptt, 3169 true); 3170 if (rc) 3171 goto load_err; 3172 3173 /* Clear the pglue_b was_error indication. 3174 * In E4 it must be done after the BME and the internal 3175 * FID_enable for the PF are set, since VDMs may cause the 3176 * indication to be set again. 3177 */ 3178 qed_pglueb_clear_err(p_hwfn, p_hwfn->p_main_ptt); 3179 3180 fw_overlays = cdev->fw_data->fw_overlays; 3181 fw_overlays_len = cdev->fw_data->fw_overlays_len; 3182 p_hwfn->fw_overlay_mem = 3183 qed_fw_overlay_mem_alloc(p_hwfn, fw_overlays, 3184 fw_overlays_len); 3185 if (!p_hwfn->fw_overlay_mem) { 3186 DP_NOTICE(p_hwfn, 3187 "Failed to allocate fw overlay memory\n"); 3188 rc = -ENOMEM; 3189 goto load_err; 3190 } 3191 3192 switch (load_code) { 3193 case FW_MSG_CODE_DRV_LOAD_ENGINE: 3194 rc = qed_hw_init_common(p_hwfn, p_hwfn->p_main_ptt, 3195 p_hwfn->hw_info.hw_mode); 3196 if (rc) 3197 break; 3198 fallthrough; 3199 case FW_MSG_CODE_DRV_LOAD_PORT: 3200 rc = qed_hw_init_port(p_hwfn, p_hwfn->p_main_ptt, 3201 p_hwfn->hw_info.hw_mode); 3202 if (rc) 3203 break; 3204 3205 fallthrough; 3206 case FW_MSG_CODE_DRV_LOAD_FUNCTION: 3207 rc = qed_hw_init_pf(p_hwfn, p_hwfn->p_main_ptt, 3208 p_params->p_tunn, 3209 p_hwfn->hw_info.hw_mode, 3210 p_params->b_hw_start, 3211 p_params->int_mode, 3212 p_params->allow_npar_tx_switch); 3213 break; 3214 default: 3215 DP_NOTICE(p_hwfn, 3216 "Unexpected load code [0x%08x]", load_code); 3217 rc = -EINVAL; 3218 break; 3219 } 3220 3221 if (rc) { 3222 DP_NOTICE(p_hwfn, 3223 "init phase failed for loadcode 0x%x (rc %d)\n", 3224 load_code, rc); 3225 goto load_err; 3226 } 3227 3228 rc = qed_mcp_load_done(p_hwfn, p_hwfn->p_main_ptt); 3229 if (rc) 3230 return rc; 3231 3232 /* send DCBX attention request command */ 3233 DP_VERBOSE(p_hwfn, 3234 QED_MSG_DCB, 3235 "sending phony dcbx set command to trigger DCBx attention handling\n"); 3236 rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt, 3237 DRV_MSG_CODE_SET_DCBX, 3238 1 << DRV_MB_PARAM_DCBX_NOTIFY_SHIFT, 3239 &resp, ¶m); 3240 if (rc) { 3241 DP_NOTICE(p_hwfn, 3242 "Failed to send DCBX attention request\n"); 3243 return rc; 3244 } 3245 3246 p_hwfn->hw_init_done = true; 3247 } 3248 3249 if (IS_PF(cdev)) { 3250 p_hwfn = QED_LEADING_HWFN(cdev); 3251 3252 /* Get pre-negotiated values for stag, bandwidth etc. */ 3253 DP_VERBOSE(p_hwfn, 3254 QED_MSG_SPQ, 3255 "Sending GET_OEM_UPDATES command to trigger stag/bandwidth attention handling\n"); 3256 drv_mb_param = 1 << DRV_MB_PARAM_DUMMY_OEM_UPDATES_OFFSET; 3257 rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt, 3258 DRV_MSG_CODE_GET_OEM_UPDATES, 3259 drv_mb_param, &resp, ¶m); 3260 if (rc) 3261 DP_NOTICE(p_hwfn, 3262 "Failed to send GET_OEM_UPDATES attention request\n"); 3263 3264 drv_mb_param = STORM_FW_VERSION; 3265 rc = qed_mcp_cmd(p_hwfn, p_hwfn->p_main_ptt, 3266 DRV_MSG_CODE_OV_UPDATE_STORM_FW_VER, 3267 drv_mb_param, &load_code, ¶m); 3268 if (rc) 3269 DP_INFO(p_hwfn, "Failed to update firmware version\n"); 3270 3271 if (!b_default_mtu) { 3272 rc = qed_mcp_ov_update_mtu(p_hwfn, p_hwfn->p_main_ptt, 3273 p_hwfn->hw_info.mtu); 3274 if (rc) 3275 DP_INFO(p_hwfn, 3276 "Failed to update default mtu\n"); 3277 } 3278 3279 rc = qed_mcp_ov_update_driver_state(p_hwfn, 3280 p_hwfn->p_main_ptt, 3281 QED_OV_DRIVER_STATE_DISABLED); 3282 if (rc) 3283 DP_INFO(p_hwfn, "Failed to update driver state\n"); 3284 3285 rc = qed_mcp_ov_update_eswitch(p_hwfn, p_hwfn->p_main_ptt, 3286 QED_OV_ESWITCH_NONE); 3287 if (rc) 3288 DP_INFO(p_hwfn, "Failed to update eswitch mode\n"); 3289 } 3290 3291 return 0; 3292 3293 load_err: 3294 /* The MFW load lock should be released also when initialization fails. 3295 */ 3296 qed_mcp_load_done(p_hwfn, p_hwfn->p_main_ptt); 3297 return rc; 3298 } 3299 3300 #define QED_HW_STOP_RETRY_LIMIT (10) 3301 static void qed_hw_timers_stop(struct qed_dev *cdev, 3302 struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 3303 { 3304 int i; 3305 3306 /* close timers */ 3307 qed_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_CONN, 0x0); 3308 qed_wr(p_hwfn, p_ptt, TM_REG_PF_ENABLE_TASK, 0x0); 3309 3310 if (cdev->recov_in_prog) 3311 return; 3312 3313 for (i = 0; i < QED_HW_STOP_RETRY_LIMIT; i++) { 3314 if ((!qed_rd(p_hwfn, p_ptt, 3315 TM_REG_PF_SCAN_ACTIVE_CONN)) && 3316 (!qed_rd(p_hwfn, p_ptt, TM_REG_PF_SCAN_ACTIVE_TASK))) 3317 break; 3318 3319 /* Dependent on number of connection/tasks, possibly 3320 * 1ms sleep is required between polls 3321 */ 3322 usleep_range(1000, 2000); 3323 } 3324 3325 if (i < QED_HW_STOP_RETRY_LIMIT) 3326 return; 3327 3328 DP_NOTICE(p_hwfn, 3329 "Timers linear scans are not over [Connection %02x Tasks %02x]\n", 3330 (u8)qed_rd(p_hwfn, p_ptt, TM_REG_PF_SCAN_ACTIVE_CONN), 3331 (u8)qed_rd(p_hwfn, p_ptt, TM_REG_PF_SCAN_ACTIVE_TASK)); 3332 } 3333 3334 void qed_hw_timers_stop_all(struct qed_dev *cdev) 3335 { 3336 int j; 3337 3338 for_each_hwfn(cdev, j) { 3339 struct qed_hwfn *p_hwfn = &cdev->hwfns[j]; 3340 struct qed_ptt *p_ptt = p_hwfn->p_main_ptt; 3341 3342 qed_hw_timers_stop(cdev, p_hwfn, p_ptt); 3343 } 3344 } 3345 3346 int qed_hw_stop(struct qed_dev *cdev) 3347 { 3348 struct qed_hwfn *p_hwfn; 3349 struct qed_ptt *p_ptt; 3350 int rc, rc2 = 0; 3351 int j; 3352 3353 for_each_hwfn(cdev, j) { 3354 p_hwfn = &cdev->hwfns[j]; 3355 p_ptt = p_hwfn->p_main_ptt; 3356 3357 DP_VERBOSE(p_hwfn, NETIF_MSG_IFDOWN, "Stopping hw/fw\n"); 3358 3359 if (IS_VF(cdev)) { 3360 qed_vf_pf_int_cleanup(p_hwfn); 3361 rc = qed_vf_pf_reset(p_hwfn); 3362 if (rc) { 3363 DP_NOTICE(p_hwfn, 3364 "qed_vf_pf_reset failed. rc = %d.\n", 3365 rc); 3366 rc2 = -EINVAL; 3367 } 3368 continue; 3369 } 3370 3371 /* mark the hw as uninitialized... */ 3372 p_hwfn->hw_init_done = false; 3373 3374 /* Send unload command to MCP */ 3375 if (!cdev->recov_in_prog) { 3376 rc = qed_mcp_unload_req(p_hwfn, p_ptt); 3377 if (rc) { 3378 DP_NOTICE(p_hwfn, 3379 "Failed sending a UNLOAD_REQ command. rc = %d.\n", 3380 rc); 3381 rc2 = -EINVAL; 3382 } 3383 } 3384 3385 qed_slowpath_irq_sync(p_hwfn); 3386 3387 /* After this point no MFW attentions are expected, e.g. prevent 3388 * race between pf stop and dcbx pf update. 3389 */ 3390 rc = qed_sp_pf_stop(p_hwfn); 3391 if (rc) { 3392 DP_NOTICE(p_hwfn, 3393 "Failed to close PF against FW [rc = %d]. Continue to stop HW to prevent illegal host access by the device.\n", 3394 rc); 3395 rc2 = -EINVAL; 3396 } 3397 3398 qed_wr(p_hwfn, p_ptt, 3399 NIG_REG_RX_LLH_BRB_GATE_DNTFWD_PERPF, 0x1); 3400 3401 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TCP, 0x0); 3402 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_UDP, 0x0); 3403 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_FCOE, 0x0); 3404 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_ROCE, 0x0); 3405 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_OPENFLOW, 0x0); 3406 3407 qed_hw_timers_stop(cdev, p_hwfn, p_ptt); 3408 3409 /* Disable Attention Generation */ 3410 qed_int_igu_disable_int(p_hwfn, p_ptt); 3411 3412 qed_wr(p_hwfn, p_ptt, IGU_REG_LEADING_EDGE_LATCH, 0); 3413 qed_wr(p_hwfn, p_ptt, IGU_REG_TRAILING_EDGE_LATCH, 0); 3414 3415 qed_int_igu_init_pure_rt(p_hwfn, p_ptt, false, true); 3416 3417 /* Need to wait 1ms to guarantee SBs are cleared */ 3418 usleep_range(1000, 2000); 3419 3420 /* Disable PF in HW blocks */ 3421 qed_wr(p_hwfn, p_ptt, DORQ_REG_PF_DB_ENABLE, 0); 3422 qed_wr(p_hwfn, p_ptt, QM_REG_PF_EN, 0); 3423 3424 if (IS_LEAD_HWFN(p_hwfn) && 3425 test_bit(QED_MF_LLH_MAC_CLSS, &cdev->mf_bits) && 3426 !QED_IS_FCOE_PERSONALITY(p_hwfn)) 3427 qed_llh_remove_mac_filter(cdev, 0, 3428 p_hwfn->hw_info.hw_mac_addr); 3429 3430 if (!cdev->recov_in_prog) { 3431 rc = qed_mcp_unload_done(p_hwfn, p_ptt); 3432 if (rc) { 3433 DP_NOTICE(p_hwfn, 3434 "Failed sending a UNLOAD_DONE command. rc = %d.\n", 3435 rc); 3436 rc2 = -EINVAL; 3437 } 3438 } 3439 } 3440 3441 if (IS_PF(cdev) && !cdev->recov_in_prog) { 3442 p_hwfn = QED_LEADING_HWFN(cdev); 3443 p_ptt = QED_LEADING_HWFN(cdev)->p_main_ptt; 3444 3445 /* Clear the PF's internal FID_enable in the PXP. 3446 * In CMT this should only be done for first hw-function, and 3447 * only after all transactions have stopped for all active 3448 * hw-functions. 3449 */ 3450 rc = qed_pglueb_set_pfid_enable(p_hwfn, p_ptt, false); 3451 if (rc) { 3452 DP_NOTICE(p_hwfn, 3453 "qed_pglueb_set_pfid_enable() failed. rc = %d.\n", 3454 rc); 3455 rc2 = -EINVAL; 3456 } 3457 } 3458 3459 return rc2; 3460 } 3461 3462 int qed_hw_stop_fastpath(struct qed_dev *cdev) 3463 { 3464 int j; 3465 3466 for_each_hwfn(cdev, j) { 3467 struct qed_hwfn *p_hwfn = &cdev->hwfns[j]; 3468 struct qed_ptt *p_ptt; 3469 3470 if (IS_VF(cdev)) { 3471 qed_vf_pf_int_cleanup(p_hwfn); 3472 continue; 3473 } 3474 p_ptt = qed_ptt_acquire(p_hwfn); 3475 if (!p_ptt) 3476 return -EAGAIN; 3477 3478 DP_VERBOSE(p_hwfn, 3479 NETIF_MSG_IFDOWN, "Shutting down the fastpath\n"); 3480 3481 qed_wr(p_hwfn, p_ptt, 3482 NIG_REG_RX_LLH_BRB_GATE_DNTFWD_PERPF, 0x1); 3483 3484 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_TCP, 0x0); 3485 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_UDP, 0x0); 3486 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_FCOE, 0x0); 3487 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_ROCE, 0x0); 3488 qed_wr(p_hwfn, p_ptt, PRS_REG_SEARCH_OPENFLOW, 0x0); 3489 3490 qed_int_igu_init_pure_rt(p_hwfn, p_ptt, false, false); 3491 3492 /* Need to wait 1ms to guarantee SBs are cleared */ 3493 usleep_range(1000, 2000); 3494 qed_ptt_release(p_hwfn, p_ptt); 3495 } 3496 3497 return 0; 3498 } 3499 3500 int qed_hw_start_fastpath(struct qed_hwfn *p_hwfn) 3501 { 3502 struct qed_ptt *p_ptt; 3503 3504 if (IS_VF(p_hwfn->cdev)) 3505 return 0; 3506 3507 p_ptt = qed_ptt_acquire(p_hwfn); 3508 if (!p_ptt) 3509 return -EAGAIN; 3510 3511 if (p_hwfn->p_rdma_info && 3512 p_hwfn->p_rdma_info->active && p_hwfn->b_rdma_enabled_in_prs) 3513 qed_wr(p_hwfn, p_ptt, p_hwfn->rdma_prs_search_reg, 0x1); 3514 3515 /* Re-open incoming traffic */ 3516 qed_wr(p_hwfn, p_ptt, NIG_REG_RX_LLH_BRB_GATE_DNTFWD_PERPF, 0x0); 3517 qed_ptt_release(p_hwfn, p_ptt); 3518 3519 return 0; 3520 } 3521 3522 /* Free hwfn memory and resources acquired in hw_hwfn_prepare */ 3523 static void qed_hw_hwfn_free(struct qed_hwfn *p_hwfn) 3524 { 3525 qed_ptt_pool_free(p_hwfn); 3526 kfree(p_hwfn->hw_info.p_igu_info); 3527 p_hwfn->hw_info.p_igu_info = NULL; 3528 } 3529 3530 /* Setup bar access */ 3531 static void qed_hw_hwfn_prepare(struct qed_hwfn *p_hwfn) 3532 { 3533 /* clear indirect access */ 3534 if (QED_IS_AH(p_hwfn->cdev)) { 3535 qed_wr(p_hwfn, p_hwfn->p_main_ptt, 3536 PGLUE_B_REG_PGL_ADDR_E8_F0_K2, 0); 3537 qed_wr(p_hwfn, p_hwfn->p_main_ptt, 3538 PGLUE_B_REG_PGL_ADDR_EC_F0_K2, 0); 3539 qed_wr(p_hwfn, p_hwfn->p_main_ptt, 3540 PGLUE_B_REG_PGL_ADDR_F0_F0_K2, 0); 3541 qed_wr(p_hwfn, p_hwfn->p_main_ptt, 3542 PGLUE_B_REG_PGL_ADDR_F4_F0_K2, 0); 3543 } else { 3544 qed_wr(p_hwfn, p_hwfn->p_main_ptt, 3545 PGLUE_B_REG_PGL_ADDR_88_F0_BB, 0); 3546 qed_wr(p_hwfn, p_hwfn->p_main_ptt, 3547 PGLUE_B_REG_PGL_ADDR_8C_F0_BB, 0); 3548 qed_wr(p_hwfn, p_hwfn->p_main_ptt, 3549 PGLUE_B_REG_PGL_ADDR_90_F0_BB, 0); 3550 qed_wr(p_hwfn, p_hwfn->p_main_ptt, 3551 PGLUE_B_REG_PGL_ADDR_94_F0_BB, 0); 3552 } 3553 3554 /* Clean previous pglue_b errors if such exist */ 3555 qed_pglueb_clear_err(p_hwfn, p_hwfn->p_main_ptt); 3556 3557 /* enable internal target-read */ 3558 qed_wr(p_hwfn, p_hwfn->p_main_ptt, 3559 PGLUE_B_REG_INTERNAL_PFID_ENABLE_TARGET_READ, 1); 3560 } 3561 3562 static void get_function_id(struct qed_hwfn *p_hwfn) 3563 { 3564 /* ME Register */ 3565 p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, 3566 PXP_PF_ME_OPAQUE_ADDR); 3567 3568 p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, PXP_PF_ME_CONCRETE_ADDR); 3569 3570 p_hwfn->abs_pf_id = (p_hwfn->hw_info.concrete_fid >> 16) & 0xf; 3571 p_hwfn->rel_pf_id = GET_FIELD(p_hwfn->hw_info.concrete_fid, 3572 PXP_CONCRETE_FID_PFID); 3573 p_hwfn->port_id = GET_FIELD(p_hwfn->hw_info.concrete_fid, 3574 PXP_CONCRETE_FID_PORT); 3575 3576 DP_VERBOSE(p_hwfn, NETIF_MSG_PROBE, 3577 "Read ME register: Concrete 0x%08x Opaque 0x%04x\n", 3578 p_hwfn->hw_info.concrete_fid, p_hwfn->hw_info.opaque_fid); 3579 } 3580 3581 static void qed_hw_set_feat(struct qed_hwfn *p_hwfn) 3582 { 3583 u32 *feat_num = p_hwfn->hw_info.feat_num; 3584 struct qed_sb_cnt_info sb_cnt; 3585 u32 non_l2_sbs = 0; 3586 3587 memset(&sb_cnt, 0, sizeof(sb_cnt)); 3588 qed_int_get_num_sbs(p_hwfn, &sb_cnt); 3589 3590 if (IS_ENABLED(CONFIG_QED_RDMA) && 3591 QED_IS_RDMA_PERSONALITY(p_hwfn)) { 3592 /* Roce CNQ each requires: 1 status block + 1 CNQ. We divide 3593 * the status blocks equally between L2 / RoCE but with 3594 * consideration as to how many l2 queues / cnqs we have. 3595 */ 3596 feat_num[QED_RDMA_CNQ] = 3597 min_t(u32, sb_cnt.cnt / 2, 3598 RESC_NUM(p_hwfn, QED_RDMA_CNQ_RAM)); 3599 3600 non_l2_sbs = feat_num[QED_RDMA_CNQ]; 3601 } 3602 if (QED_IS_L2_PERSONALITY(p_hwfn)) { 3603 /* Start by allocating VF queues, then PF's */ 3604 feat_num[QED_VF_L2_QUE] = min_t(u32, 3605 RESC_NUM(p_hwfn, QED_L2_QUEUE), 3606 sb_cnt.iov_cnt); 3607 feat_num[QED_PF_L2_QUE] = min_t(u32, 3608 sb_cnt.cnt - non_l2_sbs, 3609 RESC_NUM(p_hwfn, 3610 QED_L2_QUEUE) - 3611 FEAT_NUM(p_hwfn, 3612 QED_VF_L2_QUE)); 3613 } 3614 3615 if (QED_IS_FCOE_PERSONALITY(p_hwfn)) 3616 feat_num[QED_FCOE_CQ] = min_t(u32, sb_cnt.cnt, 3617 RESC_NUM(p_hwfn, 3618 QED_CMDQS_CQS)); 3619 3620 if (QED_IS_ISCSI_PERSONALITY(p_hwfn)) 3621 feat_num[QED_ISCSI_CQ] = min_t(u32, sb_cnt.cnt, 3622 RESC_NUM(p_hwfn, 3623 QED_CMDQS_CQS)); 3624 3625 if (QED_IS_NVMETCP_PERSONALITY(p_hwfn)) 3626 feat_num[QED_NVMETCP_CQ] = min_t(u32, sb_cnt.cnt, 3627 RESC_NUM(p_hwfn, 3628 QED_CMDQS_CQS)); 3629 3630 DP_VERBOSE(p_hwfn, 3631 NETIF_MSG_PROBE, 3632 "#PF_L2_QUEUES=%d VF_L2_QUEUES=%d #ROCE_CNQ=%d FCOE_CQ=%d ISCSI_CQ=%d NVMETCP_CQ=%d #SBS=%d\n", 3633 (int)FEAT_NUM(p_hwfn, QED_PF_L2_QUE), 3634 (int)FEAT_NUM(p_hwfn, QED_VF_L2_QUE), 3635 (int)FEAT_NUM(p_hwfn, QED_RDMA_CNQ), 3636 (int)FEAT_NUM(p_hwfn, QED_FCOE_CQ), 3637 (int)FEAT_NUM(p_hwfn, QED_ISCSI_CQ), 3638 (int)FEAT_NUM(p_hwfn, QED_NVMETCP_CQ), 3639 (int)sb_cnt.cnt); 3640 } 3641 3642 const char *qed_hw_get_resc_name(enum qed_resources res_id) 3643 { 3644 switch (res_id) { 3645 case QED_L2_QUEUE: 3646 return "L2_QUEUE"; 3647 case QED_VPORT: 3648 return "VPORT"; 3649 case QED_RSS_ENG: 3650 return "RSS_ENG"; 3651 case QED_PQ: 3652 return "PQ"; 3653 case QED_RL: 3654 return "RL"; 3655 case QED_MAC: 3656 return "MAC"; 3657 case QED_VLAN: 3658 return "VLAN"; 3659 case QED_RDMA_CNQ_RAM: 3660 return "RDMA_CNQ_RAM"; 3661 case QED_ILT: 3662 return "ILT"; 3663 case QED_LL2_RAM_QUEUE: 3664 return "LL2_RAM_QUEUE"; 3665 case QED_LL2_CTX_QUEUE: 3666 return "LL2_CTX_QUEUE"; 3667 case QED_CMDQS_CQS: 3668 return "CMDQS_CQS"; 3669 case QED_RDMA_STATS_QUEUE: 3670 return "RDMA_STATS_QUEUE"; 3671 case QED_BDQ: 3672 return "BDQ"; 3673 case QED_SB: 3674 return "SB"; 3675 default: 3676 return "UNKNOWN_RESOURCE"; 3677 } 3678 } 3679 3680 static int 3681 __qed_hw_set_soft_resc_size(struct qed_hwfn *p_hwfn, 3682 struct qed_ptt *p_ptt, 3683 enum qed_resources res_id, 3684 u32 resc_max_val, u32 *p_mcp_resp) 3685 { 3686 int rc; 3687 3688 rc = qed_mcp_set_resc_max_val(p_hwfn, p_ptt, res_id, 3689 resc_max_val, p_mcp_resp); 3690 if (rc) { 3691 DP_NOTICE(p_hwfn, 3692 "MFW response failure for a max value setting of resource %d [%s]\n", 3693 res_id, qed_hw_get_resc_name(res_id)); 3694 return rc; 3695 } 3696 3697 if (*p_mcp_resp != FW_MSG_CODE_RESOURCE_ALLOC_OK) 3698 DP_INFO(p_hwfn, 3699 "Failed to set the max value of resource %d [%s]. mcp_resp = 0x%08x.\n", 3700 res_id, qed_hw_get_resc_name(res_id), *p_mcp_resp); 3701 3702 return 0; 3703 } 3704 3705 static u32 qed_hsi_def_val[][MAX_CHIP_IDS] = { 3706 {MAX_NUM_VFS_BB, MAX_NUM_VFS_K2}, 3707 {MAX_NUM_L2_QUEUES_BB, MAX_NUM_L2_QUEUES_K2}, 3708 {MAX_NUM_PORTS_BB, MAX_NUM_PORTS_K2}, 3709 {MAX_SB_PER_PATH_BB, MAX_SB_PER_PATH_K2,}, 3710 {MAX_NUM_PFS_BB, MAX_NUM_PFS_K2}, 3711 {MAX_NUM_VPORTS_BB, MAX_NUM_VPORTS_K2}, 3712 {ETH_RSS_ENGINE_NUM_BB, ETH_RSS_ENGINE_NUM_K2}, 3713 {MAX_QM_TX_QUEUES_BB, MAX_QM_TX_QUEUES_K2}, 3714 {PXP_NUM_ILT_RECORDS_BB, PXP_NUM_ILT_RECORDS_K2}, 3715 {RDMA_NUM_STATISTIC_COUNTERS_BB, RDMA_NUM_STATISTIC_COUNTERS_K2}, 3716 {MAX_QM_GLOBAL_RLS, MAX_QM_GLOBAL_RLS}, 3717 {PBF_MAX_CMD_LINES, PBF_MAX_CMD_LINES}, 3718 {BTB_MAX_BLOCKS_BB, BTB_MAX_BLOCKS_K2}, 3719 }; 3720 3721 u32 qed_get_hsi_def_val(struct qed_dev *cdev, enum qed_hsi_def_type type) 3722 { 3723 enum chip_ids chip_id = QED_IS_BB(cdev) ? CHIP_BB : CHIP_K2; 3724 3725 if (type >= QED_NUM_HSI_DEFS) { 3726 DP_ERR(cdev, "Unexpected HSI definition type [%d]\n", type); 3727 return 0; 3728 } 3729 3730 return qed_hsi_def_val[type][chip_id]; 3731 } 3732 3733 static int 3734 qed_hw_set_soft_resc_size(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 3735 { 3736 u32 resc_max_val, mcp_resp; 3737 u8 res_id; 3738 int rc; 3739 3740 for (res_id = 0; res_id < QED_MAX_RESC; res_id++) { 3741 switch (res_id) { 3742 case QED_LL2_RAM_QUEUE: 3743 resc_max_val = MAX_NUM_LL2_RX_RAM_QUEUES; 3744 break; 3745 case QED_LL2_CTX_QUEUE: 3746 resc_max_val = MAX_NUM_LL2_RX_CTX_QUEUES; 3747 break; 3748 case QED_RDMA_CNQ_RAM: 3749 /* No need for a case for QED_CMDQS_CQS since 3750 * CNQ/CMDQS are the same resource. 3751 */ 3752 resc_max_val = NUM_OF_GLOBAL_QUEUES; 3753 break; 3754 case QED_RDMA_STATS_QUEUE: 3755 resc_max_val = 3756 NUM_OF_RDMA_STATISTIC_COUNTERS(p_hwfn->cdev); 3757 break; 3758 case QED_BDQ: 3759 resc_max_val = BDQ_NUM_RESOURCES; 3760 break; 3761 default: 3762 continue; 3763 } 3764 3765 rc = __qed_hw_set_soft_resc_size(p_hwfn, p_ptt, res_id, 3766 resc_max_val, &mcp_resp); 3767 if (rc) 3768 return rc; 3769 3770 /* There's no point to continue to the next resource if the 3771 * command is not supported by the MFW. 3772 * We do continue if the command is supported but the resource 3773 * is unknown to the MFW. Such a resource will be later 3774 * configured with the default allocation values. 3775 */ 3776 if (mcp_resp == FW_MSG_CODE_UNSUPPORTED) 3777 return -EINVAL; 3778 } 3779 3780 return 0; 3781 } 3782 3783 static 3784 int qed_hw_get_dflt_resc(struct qed_hwfn *p_hwfn, 3785 enum qed_resources res_id, 3786 u32 *p_resc_num, u32 *p_resc_start) 3787 { 3788 u8 num_funcs = p_hwfn->num_funcs_on_engine; 3789 struct qed_dev *cdev = p_hwfn->cdev; 3790 3791 switch (res_id) { 3792 case QED_L2_QUEUE: 3793 *p_resc_num = NUM_OF_L2_QUEUES(cdev) / num_funcs; 3794 break; 3795 case QED_VPORT: 3796 *p_resc_num = NUM_OF_VPORTS(cdev) / num_funcs; 3797 break; 3798 case QED_RSS_ENG: 3799 *p_resc_num = NUM_OF_RSS_ENGINES(cdev) / num_funcs; 3800 break; 3801 case QED_PQ: 3802 *p_resc_num = NUM_OF_QM_TX_QUEUES(cdev) / num_funcs; 3803 *p_resc_num &= ~0x7; /* The granularity of the PQs is 8 */ 3804 break; 3805 case QED_RL: 3806 *p_resc_num = NUM_OF_QM_GLOBAL_RLS(cdev) / num_funcs; 3807 break; 3808 case QED_MAC: 3809 case QED_VLAN: 3810 /* Each VFC resource can accommodate both a MAC and a VLAN */ 3811 *p_resc_num = ETH_NUM_MAC_FILTERS / num_funcs; 3812 break; 3813 case QED_ILT: 3814 *p_resc_num = NUM_OF_PXP_ILT_RECORDS(cdev) / num_funcs; 3815 break; 3816 case QED_LL2_RAM_QUEUE: 3817 *p_resc_num = MAX_NUM_LL2_RX_RAM_QUEUES / num_funcs; 3818 break; 3819 case QED_LL2_CTX_QUEUE: 3820 *p_resc_num = MAX_NUM_LL2_RX_CTX_QUEUES / num_funcs; 3821 break; 3822 case QED_RDMA_CNQ_RAM: 3823 case QED_CMDQS_CQS: 3824 /* CNQ/CMDQS are the same resource */ 3825 *p_resc_num = NUM_OF_GLOBAL_QUEUES / num_funcs; 3826 break; 3827 case QED_RDMA_STATS_QUEUE: 3828 *p_resc_num = NUM_OF_RDMA_STATISTIC_COUNTERS(cdev) / num_funcs; 3829 break; 3830 case QED_BDQ: 3831 if (p_hwfn->hw_info.personality != QED_PCI_ISCSI && 3832 p_hwfn->hw_info.personality != QED_PCI_FCOE && 3833 p_hwfn->hw_info.personality != QED_PCI_NVMETCP) 3834 *p_resc_num = 0; 3835 else 3836 *p_resc_num = 1; 3837 break; 3838 case QED_SB: 3839 /* Since we want its value to reflect whether MFW supports 3840 * the new scheme, have a default of 0. 3841 */ 3842 *p_resc_num = 0; 3843 break; 3844 default: 3845 return -EINVAL; 3846 } 3847 3848 switch (res_id) { 3849 case QED_BDQ: 3850 if (!*p_resc_num) 3851 *p_resc_start = 0; 3852 else if (p_hwfn->cdev->num_ports_in_engine == 4) 3853 *p_resc_start = p_hwfn->port_id; 3854 else if (p_hwfn->hw_info.personality == QED_PCI_ISCSI || 3855 p_hwfn->hw_info.personality == QED_PCI_NVMETCP) 3856 *p_resc_start = p_hwfn->port_id; 3857 else if (p_hwfn->hw_info.personality == QED_PCI_FCOE) 3858 *p_resc_start = p_hwfn->port_id + 2; 3859 break; 3860 default: 3861 *p_resc_start = *p_resc_num * p_hwfn->enabled_func_idx; 3862 break; 3863 } 3864 3865 return 0; 3866 } 3867 3868 static int __qed_hw_set_resc_info(struct qed_hwfn *p_hwfn, 3869 enum qed_resources res_id) 3870 { 3871 u32 dflt_resc_num = 0, dflt_resc_start = 0; 3872 u32 mcp_resp, *p_resc_num, *p_resc_start; 3873 int rc; 3874 3875 p_resc_num = &RESC_NUM(p_hwfn, res_id); 3876 p_resc_start = &RESC_START(p_hwfn, res_id); 3877 3878 rc = qed_hw_get_dflt_resc(p_hwfn, res_id, &dflt_resc_num, 3879 &dflt_resc_start); 3880 if (rc) { 3881 DP_ERR(p_hwfn, 3882 "Failed to get default amount for resource %d [%s]\n", 3883 res_id, qed_hw_get_resc_name(res_id)); 3884 return rc; 3885 } 3886 3887 rc = qed_mcp_get_resc_info(p_hwfn, p_hwfn->p_main_ptt, res_id, 3888 &mcp_resp, p_resc_num, p_resc_start); 3889 if (rc) { 3890 DP_NOTICE(p_hwfn, 3891 "MFW response failure for an allocation request for resource %d [%s]\n", 3892 res_id, qed_hw_get_resc_name(res_id)); 3893 return rc; 3894 } 3895 3896 /* Default driver values are applied in the following cases: 3897 * - The resource allocation MB command is not supported by the MFW 3898 * - There is an internal error in the MFW while processing the request 3899 * - The resource ID is unknown to the MFW 3900 */ 3901 if (mcp_resp != FW_MSG_CODE_RESOURCE_ALLOC_OK) { 3902 DP_INFO(p_hwfn, 3903 "Failed to receive allocation info for resource %d [%s]. mcp_resp = 0x%x. Applying default values [%d,%d].\n", 3904 res_id, 3905 qed_hw_get_resc_name(res_id), 3906 mcp_resp, dflt_resc_num, dflt_resc_start); 3907 *p_resc_num = dflt_resc_num; 3908 *p_resc_start = dflt_resc_start; 3909 goto out; 3910 } 3911 3912 out: 3913 /* PQs have to divide by 8 [that's the HW granularity]. 3914 * Reduce number so it would fit. 3915 */ 3916 if ((res_id == QED_PQ) && ((*p_resc_num % 8) || (*p_resc_start % 8))) { 3917 DP_INFO(p_hwfn, 3918 "PQs need to align by 8; Number %08x --> %08x, Start %08x --> %08x\n", 3919 *p_resc_num, 3920 (*p_resc_num) & ~0x7, 3921 *p_resc_start, (*p_resc_start) & ~0x7); 3922 *p_resc_num &= ~0x7; 3923 *p_resc_start &= ~0x7; 3924 } 3925 3926 return 0; 3927 } 3928 3929 static int qed_hw_set_resc_info(struct qed_hwfn *p_hwfn) 3930 { 3931 int rc; 3932 u8 res_id; 3933 3934 for (res_id = 0; res_id < QED_MAX_RESC; res_id++) { 3935 rc = __qed_hw_set_resc_info(p_hwfn, res_id); 3936 if (rc) 3937 return rc; 3938 } 3939 3940 return 0; 3941 } 3942 3943 static int qed_hw_get_ppfid_bitmap(struct qed_hwfn *p_hwfn, 3944 struct qed_ptt *p_ptt) 3945 { 3946 struct qed_dev *cdev = p_hwfn->cdev; 3947 u8 native_ppfid_idx; 3948 int rc; 3949 3950 /* Calculation of BB/AH is different for native_ppfid_idx */ 3951 if (QED_IS_BB(cdev)) 3952 native_ppfid_idx = p_hwfn->rel_pf_id; 3953 else 3954 native_ppfid_idx = p_hwfn->rel_pf_id / 3955 cdev->num_ports_in_engine; 3956 3957 rc = qed_mcp_get_ppfid_bitmap(p_hwfn, p_ptt); 3958 if (rc != 0 && rc != -EOPNOTSUPP) 3959 return rc; 3960 else if (rc == -EOPNOTSUPP) 3961 cdev->ppfid_bitmap = 0x1 << native_ppfid_idx; 3962 3963 if (!(cdev->ppfid_bitmap & (0x1 << native_ppfid_idx))) { 3964 DP_INFO(p_hwfn, 3965 "Fix the PPFID bitmap to include the native PPFID [native_ppfid_idx %hhd, orig_bitmap 0x%hhx]\n", 3966 native_ppfid_idx, cdev->ppfid_bitmap); 3967 cdev->ppfid_bitmap = 0x1 << native_ppfid_idx; 3968 } 3969 3970 return 0; 3971 } 3972 3973 static int qed_hw_get_resc(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 3974 { 3975 struct qed_resc_unlock_params resc_unlock_params; 3976 struct qed_resc_lock_params resc_lock_params; 3977 bool b_ah = QED_IS_AH(p_hwfn->cdev); 3978 u8 res_id; 3979 int rc; 3980 3981 /* Setting the max values of the soft resources and the following 3982 * resources allocation queries should be atomic. Since several PFs can 3983 * run in parallel - a resource lock is needed. 3984 * If either the resource lock or resource set value commands are not 3985 * supported - skip the max values setting, release the lock if 3986 * needed, and proceed to the queries. Other failures, including a 3987 * failure to acquire the lock, will cause this function to fail. 3988 */ 3989 qed_mcp_resc_lock_default_init(&resc_lock_params, &resc_unlock_params, 3990 QED_RESC_LOCK_RESC_ALLOC, false); 3991 3992 rc = qed_mcp_resc_lock(p_hwfn, p_ptt, &resc_lock_params); 3993 if (rc && rc != -EINVAL) { 3994 return rc; 3995 } else if (rc == -EINVAL) { 3996 DP_INFO(p_hwfn, 3997 "Skip the max values setting of the soft resources since the resource lock is not supported by the MFW\n"); 3998 } else if (!resc_lock_params.b_granted) { 3999 DP_NOTICE(p_hwfn, 4000 "Failed to acquire the resource lock for the resource allocation commands\n"); 4001 return -EBUSY; 4002 } else { 4003 rc = qed_hw_set_soft_resc_size(p_hwfn, p_ptt); 4004 if (rc && rc != -EINVAL) { 4005 DP_NOTICE(p_hwfn, 4006 "Failed to set the max values of the soft resources\n"); 4007 goto unlock_and_exit; 4008 } else if (rc == -EINVAL) { 4009 DP_INFO(p_hwfn, 4010 "Skip the max values setting of the soft resources since it is not supported by the MFW\n"); 4011 rc = qed_mcp_resc_unlock(p_hwfn, p_ptt, 4012 &resc_unlock_params); 4013 if (rc) 4014 DP_INFO(p_hwfn, 4015 "Failed to release the resource lock for the resource allocation commands\n"); 4016 } 4017 } 4018 4019 rc = qed_hw_set_resc_info(p_hwfn); 4020 if (rc) 4021 goto unlock_and_exit; 4022 4023 if (resc_lock_params.b_granted && !resc_unlock_params.b_released) { 4024 rc = qed_mcp_resc_unlock(p_hwfn, p_ptt, &resc_unlock_params); 4025 if (rc) 4026 DP_INFO(p_hwfn, 4027 "Failed to release the resource lock for the resource allocation commands\n"); 4028 } 4029 4030 /* PPFID bitmap */ 4031 if (IS_LEAD_HWFN(p_hwfn)) { 4032 rc = qed_hw_get_ppfid_bitmap(p_hwfn, p_ptt); 4033 if (rc) 4034 return rc; 4035 } 4036 4037 /* Sanity for ILT */ 4038 if ((b_ah && (RESC_END(p_hwfn, QED_ILT) > PXP_NUM_ILT_RECORDS_K2)) || 4039 (!b_ah && (RESC_END(p_hwfn, QED_ILT) > PXP_NUM_ILT_RECORDS_BB))) { 4040 DP_NOTICE(p_hwfn, "Can't assign ILT pages [%08x,...,%08x]\n", 4041 RESC_START(p_hwfn, QED_ILT), 4042 RESC_END(p_hwfn, QED_ILT) - 1); 4043 return -EINVAL; 4044 } 4045 4046 /* This will also learn the number of SBs from MFW */ 4047 if (qed_int_igu_reset_cam(p_hwfn, p_ptt)) 4048 return -EINVAL; 4049 4050 qed_hw_set_feat(p_hwfn); 4051 4052 for (res_id = 0; res_id < QED_MAX_RESC; res_id++) 4053 DP_VERBOSE(p_hwfn, NETIF_MSG_PROBE, "%s = %d start = %d\n", 4054 qed_hw_get_resc_name(res_id), 4055 RESC_NUM(p_hwfn, res_id), 4056 RESC_START(p_hwfn, res_id)); 4057 4058 return 0; 4059 4060 unlock_and_exit: 4061 if (resc_lock_params.b_granted && !resc_unlock_params.b_released) 4062 qed_mcp_resc_unlock(p_hwfn, p_ptt, &resc_unlock_params); 4063 return rc; 4064 } 4065 4066 static int qed_hw_get_nvm_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 4067 { 4068 u32 port_cfg_addr, link_temp, nvm_cfg_addr, device_capabilities, fld; 4069 u32 nvm_cfg1_offset, mf_mode, addr, generic_cont0, core_cfg; 4070 struct qed_mcp_link_speed_params *ext_speed; 4071 struct qed_mcp_link_capabilities *p_caps; 4072 struct qed_mcp_link_params *link; 4073 int i; 4074 4075 /* Read global nvm_cfg address */ 4076 nvm_cfg_addr = qed_rd(p_hwfn, p_ptt, MISC_REG_GEN_PURP_CR0); 4077 4078 /* Verify MCP has initialized it */ 4079 if (!nvm_cfg_addr) { 4080 DP_NOTICE(p_hwfn, "Shared memory not initialized\n"); 4081 return -EINVAL; 4082 } 4083 4084 /* Read nvm_cfg1 (Notice this is just offset, and not offsize (TBD) */ 4085 nvm_cfg1_offset = qed_rd(p_hwfn, p_ptt, nvm_cfg_addr + 4); 4086 4087 addr = MCP_REG_SCRATCH + nvm_cfg1_offset + 4088 offsetof(struct nvm_cfg1, glob) + 4089 offsetof(struct nvm_cfg1_glob, core_cfg); 4090 4091 core_cfg = qed_rd(p_hwfn, p_ptt, addr); 4092 4093 switch ((core_cfg & NVM_CFG1_GLOB_NETWORK_PORT_MODE_MASK) >> 4094 NVM_CFG1_GLOB_NETWORK_PORT_MODE_OFFSET) { 4095 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_2X40G: 4096 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_2X50G: 4097 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_1X100G: 4098 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_4X10G_F: 4099 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_4X10G_E: 4100 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_BB_4X20G: 4101 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_1X40G: 4102 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_2X25G: 4103 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_2X10G: 4104 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_1X25G: 4105 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_4X25G: 4106 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_2X50G_R1: 4107 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_4X50G_R1: 4108 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_1X100G_R2: 4109 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_2X100G_R2: 4110 case NVM_CFG1_GLOB_NETWORK_PORT_MODE_AHP_1X100G_R4: 4111 break; 4112 default: 4113 DP_NOTICE(p_hwfn, "Unknown port mode in 0x%08x\n", core_cfg); 4114 break; 4115 } 4116 4117 /* Read default link configuration */ 4118 link = &p_hwfn->mcp_info->link_input; 4119 p_caps = &p_hwfn->mcp_info->link_capabilities; 4120 port_cfg_addr = MCP_REG_SCRATCH + nvm_cfg1_offset + 4121 offsetof(struct nvm_cfg1, port[MFW_PORT(p_hwfn)]); 4122 link_temp = qed_rd(p_hwfn, p_ptt, 4123 port_cfg_addr + 4124 offsetof(struct nvm_cfg1_port, speed_cap_mask)); 4125 link_temp &= NVM_CFG1_PORT_DRV_SPEED_CAPABILITY_MASK_MASK; 4126 link->speed.advertised_speeds = link_temp; 4127 4128 p_caps->speed_capabilities = link->speed.advertised_speeds; 4129 4130 link_temp = qed_rd(p_hwfn, p_ptt, 4131 port_cfg_addr + 4132 offsetof(struct nvm_cfg1_port, link_settings)); 4133 switch ((link_temp & NVM_CFG1_PORT_DRV_LINK_SPEED_MASK) >> 4134 NVM_CFG1_PORT_DRV_LINK_SPEED_OFFSET) { 4135 case NVM_CFG1_PORT_DRV_LINK_SPEED_AUTONEG: 4136 link->speed.autoneg = true; 4137 break; 4138 case NVM_CFG1_PORT_DRV_LINK_SPEED_1G: 4139 link->speed.forced_speed = 1000; 4140 break; 4141 case NVM_CFG1_PORT_DRV_LINK_SPEED_10G: 4142 link->speed.forced_speed = 10000; 4143 break; 4144 case NVM_CFG1_PORT_DRV_LINK_SPEED_20G: 4145 link->speed.forced_speed = 20000; 4146 break; 4147 case NVM_CFG1_PORT_DRV_LINK_SPEED_25G: 4148 link->speed.forced_speed = 25000; 4149 break; 4150 case NVM_CFG1_PORT_DRV_LINK_SPEED_40G: 4151 link->speed.forced_speed = 40000; 4152 break; 4153 case NVM_CFG1_PORT_DRV_LINK_SPEED_50G: 4154 link->speed.forced_speed = 50000; 4155 break; 4156 case NVM_CFG1_PORT_DRV_LINK_SPEED_BB_100G: 4157 link->speed.forced_speed = 100000; 4158 break; 4159 default: 4160 DP_NOTICE(p_hwfn, "Unknown Speed in 0x%08x\n", link_temp); 4161 } 4162 4163 p_caps->default_speed_autoneg = link->speed.autoneg; 4164 4165 fld = GET_MFW_FIELD(link_temp, NVM_CFG1_PORT_DRV_FLOW_CONTROL); 4166 link->pause.autoneg = !!(fld & NVM_CFG1_PORT_DRV_FLOW_CONTROL_AUTONEG); 4167 link->pause.forced_rx = !!(fld & NVM_CFG1_PORT_DRV_FLOW_CONTROL_RX); 4168 link->pause.forced_tx = !!(fld & NVM_CFG1_PORT_DRV_FLOW_CONTROL_TX); 4169 link->loopback_mode = 0; 4170 4171 if (p_hwfn->mcp_info->capabilities & 4172 FW_MB_PARAM_FEATURE_SUPPORT_FEC_CONTROL) { 4173 switch (GET_MFW_FIELD(link_temp, 4174 NVM_CFG1_PORT_FEC_FORCE_MODE)) { 4175 case NVM_CFG1_PORT_FEC_FORCE_MODE_NONE: 4176 p_caps->fec_default |= QED_FEC_MODE_NONE; 4177 break; 4178 case NVM_CFG1_PORT_FEC_FORCE_MODE_FIRECODE: 4179 p_caps->fec_default |= QED_FEC_MODE_FIRECODE; 4180 break; 4181 case NVM_CFG1_PORT_FEC_FORCE_MODE_RS: 4182 p_caps->fec_default |= QED_FEC_MODE_RS; 4183 break; 4184 case NVM_CFG1_PORT_FEC_FORCE_MODE_AUTO: 4185 p_caps->fec_default |= QED_FEC_MODE_AUTO; 4186 break; 4187 default: 4188 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, 4189 "unknown FEC mode in 0x%08x\n", link_temp); 4190 } 4191 } else { 4192 p_caps->fec_default = QED_FEC_MODE_UNSUPPORTED; 4193 } 4194 4195 link->fec = p_caps->fec_default; 4196 4197 if (p_hwfn->mcp_info->capabilities & FW_MB_PARAM_FEATURE_SUPPORT_EEE) { 4198 link_temp = qed_rd(p_hwfn, p_ptt, port_cfg_addr + 4199 offsetof(struct nvm_cfg1_port, ext_phy)); 4200 link_temp &= NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_MASK; 4201 link_temp >>= NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_OFFSET; 4202 p_caps->default_eee = QED_MCP_EEE_ENABLED; 4203 link->eee.enable = true; 4204 switch (link_temp) { 4205 case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_DISABLED: 4206 p_caps->default_eee = QED_MCP_EEE_DISABLED; 4207 link->eee.enable = false; 4208 break; 4209 case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_BALANCED: 4210 p_caps->eee_lpi_timer = EEE_TX_TIMER_USEC_BALANCED_TIME; 4211 break; 4212 case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_AGGRESSIVE: 4213 p_caps->eee_lpi_timer = 4214 EEE_TX_TIMER_USEC_AGGRESSIVE_TIME; 4215 break; 4216 case NVM_CFG1_PORT_EEE_POWER_SAVING_MODE_LOW_LATENCY: 4217 p_caps->eee_lpi_timer = EEE_TX_TIMER_USEC_LATENCY_TIME; 4218 break; 4219 } 4220 4221 link->eee.tx_lpi_timer = p_caps->eee_lpi_timer; 4222 link->eee.tx_lpi_enable = link->eee.enable; 4223 link->eee.adv_caps = QED_EEE_1G_ADV | QED_EEE_10G_ADV; 4224 } else { 4225 p_caps->default_eee = QED_MCP_EEE_UNSUPPORTED; 4226 } 4227 4228 if (p_hwfn->mcp_info->capabilities & 4229 FW_MB_PARAM_FEATURE_SUPPORT_EXT_SPEED_FEC_CONTROL) { 4230 ext_speed = &link->ext_speed; 4231 4232 link_temp = qed_rd(p_hwfn, p_ptt, 4233 port_cfg_addr + 4234 offsetof(struct nvm_cfg1_port, 4235 extended_speed)); 4236 4237 fld = GET_MFW_FIELD(link_temp, NVM_CFG1_PORT_EXTENDED_SPEED); 4238 if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_AN) 4239 ext_speed->autoneg = true; 4240 4241 ext_speed->forced_speed = 0; 4242 if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_1G) 4243 ext_speed->forced_speed |= QED_EXT_SPEED_1G; 4244 if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_10G) 4245 ext_speed->forced_speed |= QED_EXT_SPEED_10G; 4246 if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_20G) 4247 ext_speed->forced_speed |= QED_EXT_SPEED_20G; 4248 if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_25G) 4249 ext_speed->forced_speed |= QED_EXT_SPEED_25G; 4250 if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_40G) 4251 ext_speed->forced_speed |= QED_EXT_SPEED_40G; 4252 if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_50G_R) 4253 ext_speed->forced_speed |= QED_EXT_SPEED_50G_R; 4254 if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_50G_R2) 4255 ext_speed->forced_speed |= QED_EXT_SPEED_50G_R2; 4256 if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_100G_R2) 4257 ext_speed->forced_speed |= QED_EXT_SPEED_100G_R2; 4258 if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_100G_R4) 4259 ext_speed->forced_speed |= QED_EXT_SPEED_100G_R4; 4260 if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_EXTND_SPD_100G_P4) 4261 ext_speed->forced_speed |= QED_EXT_SPEED_100G_P4; 4262 4263 fld = GET_MFW_FIELD(link_temp, 4264 NVM_CFG1_PORT_EXTENDED_SPEED_CAP); 4265 4266 ext_speed->advertised_speeds = 0; 4267 if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_RESERVED) 4268 ext_speed->advertised_speeds |= QED_EXT_SPEED_MASK_RES; 4269 if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_1G) 4270 ext_speed->advertised_speeds |= QED_EXT_SPEED_MASK_1G; 4271 if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_10G) 4272 ext_speed->advertised_speeds |= QED_EXT_SPEED_MASK_10G; 4273 if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_20G) 4274 ext_speed->advertised_speeds |= QED_EXT_SPEED_MASK_20G; 4275 if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_25G) 4276 ext_speed->advertised_speeds |= QED_EXT_SPEED_MASK_25G; 4277 if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_40G) 4278 ext_speed->advertised_speeds |= QED_EXT_SPEED_MASK_40G; 4279 if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_50G_R) 4280 ext_speed->advertised_speeds |= 4281 QED_EXT_SPEED_MASK_50G_R; 4282 if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_50G_R2) 4283 ext_speed->advertised_speeds |= 4284 QED_EXT_SPEED_MASK_50G_R2; 4285 if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_100G_R2) 4286 ext_speed->advertised_speeds |= 4287 QED_EXT_SPEED_MASK_100G_R2; 4288 if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_100G_R4) 4289 ext_speed->advertised_speeds |= 4290 QED_EXT_SPEED_MASK_100G_R4; 4291 if (fld & NVM_CFG1_PORT_EXTENDED_SPEED_CAP_EXTND_SPD_100G_P4) 4292 ext_speed->advertised_speeds |= 4293 QED_EXT_SPEED_MASK_100G_P4; 4294 4295 link_temp = qed_rd(p_hwfn, p_ptt, 4296 port_cfg_addr + 4297 offsetof(struct nvm_cfg1_port, 4298 extended_fec_mode)); 4299 link->ext_fec_mode = link_temp; 4300 4301 p_caps->default_ext_speed_caps = ext_speed->advertised_speeds; 4302 p_caps->default_ext_speed = ext_speed->forced_speed; 4303 p_caps->default_ext_autoneg = ext_speed->autoneg; 4304 p_caps->default_ext_fec = link->ext_fec_mode; 4305 4306 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, 4307 "Read default extended link config: Speed 0x%08x, Adv. Speed 0x%08x, AN: 0x%02x, FEC: 0x%02x\n", 4308 ext_speed->forced_speed, 4309 ext_speed->advertised_speeds, ext_speed->autoneg, 4310 p_caps->default_ext_fec); 4311 } 4312 4313 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, 4314 "Read default link: Speed 0x%08x, Adv. Speed 0x%08x, AN: 0x%02x, PAUSE AN: 0x%02x, EEE: 0x%02x [0x%08x usec], FEC: 0x%02x\n", 4315 link->speed.forced_speed, link->speed.advertised_speeds, 4316 link->speed.autoneg, link->pause.autoneg, 4317 p_caps->default_eee, p_caps->eee_lpi_timer, 4318 p_caps->fec_default); 4319 4320 if (IS_LEAD_HWFN(p_hwfn)) { 4321 struct qed_dev *cdev = p_hwfn->cdev; 4322 4323 /* Read Multi-function information from shmem */ 4324 addr = MCP_REG_SCRATCH + nvm_cfg1_offset + 4325 offsetof(struct nvm_cfg1, glob) + 4326 offsetof(struct nvm_cfg1_glob, generic_cont0); 4327 4328 generic_cont0 = qed_rd(p_hwfn, p_ptt, addr); 4329 4330 mf_mode = (generic_cont0 & NVM_CFG1_GLOB_MF_MODE_MASK) >> 4331 NVM_CFG1_GLOB_MF_MODE_OFFSET; 4332 4333 switch (mf_mode) { 4334 case NVM_CFG1_GLOB_MF_MODE_MF_ALLOWED: 4335 cdev->mf_bits = BIT(QED_MF_OVLAN_CLSS); 4336 break; 4337 case NVM_CFG1_GLOB_MF_MODE_UFP: 4338 cdev->mf_bits = BIT(QED_MF_OVLAN_CLSS) | 4339 BIT(QED_MF_LLH_PROTO_CLSS) | 4340 BIT(QED_MF_UFP_SPECIFIC) | 4341 BIT(QED_MF_8021Q_TAGGING) | 4342 BIT(QED_MF_DONT_ADD_VLAN0_TAG); 4343 break; 4344 case NVM_CFG1_GLOB_MF_MODE_BD: 4345 cdev->mf_bits = BIT(QED_MF_OVLAN_CLSS) | 4346 BIT(QED_MF_LLH_PROTO_CLSS) | 4347 BIT(QED_MF_8021AD_TAGGING) | 4348 BIT(QED_MF_DONT_ADD_VLAN0_TAG); 4349 break; 4350 case NVM_CFG1_GLOB_MF_MODE_NPAR1_0: 4351 cdev->mf_bits = BIT(QED_MF_LLH_MAC_CLSS) | 4352 BIT(QED_MF_LLH_PROTO_CLSS) | 4353 BIT(QED_MF_LL2_NON_UNICAST) | 4354 BIT(QED_MF_INTER_PF_SWITCH) | 4355 BIT(QED_MF_DISABLE_ARFS); 4356 break; 4357 case NVM_CFG1_GLOB_MF_MODE_DEFAULT: 4358 cdev->mf_bits = BIT(QED_MF_LLH_MAC_CLSS) | 4359 BIT(QED_MF_LLH_PROTO_CLSS) | 4360 BIT(QED_MF_LL2_NON_UNICAST); 4361 if (QED_IS_BB(p_hwfn->cdev)) 4362 cdev->mf_bits |= BIT(QED_MF_NEED_DEF_PF); 4363 break; 4364 } 4365 4366 DP_INFO(p_hwfn, "Multi function mode is 0x%lx\n", 4367 cdev->mf_bits); 4368 4369 /* In CMT the PF is unknown when the GFS block processes the 4370 * packet. Therefore cannot use searcher as it has a per PF 4371 * database, and thus ARFS must be disabled. 4372 * 4373 */ 4374 if (QED_IS_CMT(cdev)) 4375 cdev->mf_bits |= BIT(QED_MF_DISABLE_ARFS); 4376 } 4377 4378 DP_INFO(p_hwfn, "Multi function mode is 0x%lx\n", 4379 p_hwfn->cdev->mf_bits); 4380 4381 /* Read device capabilities information from shmem */ 4382 addr = MCP_REG_SCRATCH + nvm_cfg1_offset + 4383 offsetof(struct nvm_cfg1, glob) + 4384 offsetof(struct nvm_cfg1_glob, device_capabilities); 4385 4386 device_capabilities = qed_rd(p_hwfn, p_ptt, addr); 4387 if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_ETHERNET) 4388 __set_bit(QED_DEV_CAP_ETH, 4389 &p_hwfn->hw_info.device_capabilities); 4390 if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_FCOE) 4391 __set_bit(QED_DEV_CAP_FCOE, 4392 &p_hwfn->hw_info.device_capabilities); 4393 if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_ISCSI) 4394 __set_bit(QED_DEV_CAP_ISCSI, 4395 &p_hwfn->hw_info.device_capabilities); 4396 if (device_capabilities & NVM_CFG1_GLOB_DEVICE_CAPABILITIES_ROCE) 4397 __set_bit(QED_DEV_CAP_ROCE, 4398 &p_hwfn->hw_info.device_capabilities); 4399 4400 /* Read device serial number information from shmem */ 4401 addr = MCP_REG_SCRATCH + nvm_cfg1_offset + 4402 offsetof(struct nvm_cfg1, glob) + 4403 offsetof(struct nvm_cfg1_glob, serial_number); 4404 4405 for (i = 0; i < 4; i++) 4406 p_hwfn->hw_info.part_num[i] = qed_rd(p_hwfn, p_ptt, addr + i * 4); 4407 4408 return qed_mcp_fill_shmem_func_info(p_hwfn, p_ptt); 4409 } 4410 4411 static void qed_get_num_funcs(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 4412 { 4413 u8 num_funcs, enabled_func_idx = p_hwfn->rel_pf_id; 4414 u32 reg_function_hide, tmp, eng_mask, low_pfs_mask; 4415 struct qed_dev *cdev = p_hwfn->cdev; 4416 4417 num_funcs = QED_IS_AH(cdev) ? MAX_NUM_PFS_K2 : MAX_NUM_PFS_BB; 4418 4419 /* Bit 0 of MISCS_REG_FUNCTION_HIDE indicates whether the bypass values 4420 * in the other bits are selected. 4421 * Bits 1-15 are for functions 1-15, respectively, and their value is 4422 * '0' only for enabled functions (function 0 always exists and 4423 * enabled). 4424 * In case of CMT, only the "even" functions are enabled, and thus the 4425 * number of functions for both hwfns is learnt from the same bits. 4426 */ 4427 reg_function_hide = qed_rd(p_hwfn, p_ptt, MISCS_REG_FUNCTION_HIDE); 4428 4429 if (reg_function_hide & 0x1) { 4430 if (QED_IS_BB(cdev)) { 4431 if (QED_PATH_ID(p_hwfn) && cdev->num_hwfns == 1) { 4432 num_funcs = 0; 4433 eng_mask = 0xaaaa; 4434 } else { 4435 num_funcs = 1; 4436 eng_mask = 0x5554; 4437 } 4438 } else { 4439 num_funcs = 1; 4440 eng_mask = 0xfffe; 4441 } 4442 4443 /* Get the number of the enabled functions on the engine */ 4444 tmp = (reg_function_hide ^ 0xffffffff) & eng_mask; 4445 while (tmp) { 4446 if (tmp & 0x1) 4447 num_funcs++; 4448 tmp >>= 0x1; 4449 } 4450 4451 /* Get the PF index within the enabled functions */ 4452 low_pfs_mask = (0x1 << p_hwfn->abs_pf_id) - 1; 4453 tmp = reg_function_hide & eng_mask & low_pfs_mask; 4454 while (tmp) { 4455 if (tmp & 0x1) 4456 enabled_func_idx--; 4457 tmp >>= 0x1; 4458 } 4459 } 4460 4461 p_hwfn->num_funcs_on_engine = num_funcs; 4462 p_hwfn->enabled_func_idx = enabled_func_idx; 4463 4464 DP_VERBOSE(p_hwfn, 4465 NETIF_MSG_PROBE, 4466 "PF [rel_id %d, abs_id %d] occupies index %d within the %d enabled functions on the engine\n", 4467 p_hwfn->rel_pf_id, 4468 p_hwfn->abs_pf_id, 4469 p_hwfn->enabled_func_idx, p_hwfn->num_funcs_on_engine); 4470 } 4471 4472 static void qed_hw_info_port_num(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 4473 { 4474 u32 addr, global_offsize, global_addr, port_mode; 4475 struct qed_dev *cdev = p_hwfn->cdev; 4476 4477 /* In CMT there is always only one port */ 4478 if (cdev->num_hwfns > 1) { 4479 cdev->num_ports_in_engine = 1; 4480 cdev->num_ports = 1; 4481 return; 4482 } 4483 4484 /* Determine the number of ports per engine */ 4485 port_mode = qed_rd(p_hwfn, p_ptt, MISC_REG_PORT_MODE); 4486 switch (port_mode) { 4487 case 0x0: 4488 cdev->num_ports_in_engine = 1; 4489 break; 4490 case 0x1: 4491 cdev->num_ports_in_engine = 2; 4492 break; 4493 case 0x2: 4494 cdev->num_ports_in_engine = 4; 4495 break; 4496 default: 4497 DP_NOTICE(p_hwfn, "Unknown port mode 0x%08x\n", port_mode); 4498 cdev->num_ports_in_engine = 1; /* Default to something */ 4499 break; 4500 } 4501 4502 /* Get the total number of ports of the device */ 4503 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base, 4504 PUBLIC_GLOBAL); 4505 global_offsize = qed_rd(p_hwfn, p_ptt, addr); 4506 global_addr = SECTION_ADDR(global_offsize, 0); 4507 addr = global_addr + offsetof(struct public_global, max_ports); 4508 cdev->num_ports = (u8)qed_rd(p_hwfn, p_ptt, addr); 4509 } 4510 4511 static void qed_get_eee_caps(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 4512 { 4513 struct qed_mcp_link_capabilities *p_caps; 4514 u32 eee_status; 4515 4516 p_caps = &p_hwfn->mcp_info->link_capabilities; 4517 if (p_caps->default_eee == QED_MCP_EEE_UNSUPPORTED) 4518 return; 4519 4520 p_caps->eee_speed_caps = 0; 4521 eee_status = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr + 4522 offsetof(struct public_port, eee_status)); 4523 eee_status = (eee_status & EEE_SUPPORTED_SPEED_MASK) >> 4524 EEE_SUPPORTED_SPEED_OFFSET; 4525 4526 if (eee_status & EEE_1G_SUPPORTED) 4527 p_caps->eee_speed_caps |= QED_EEE_1G_ADV; 4528 if (eee_status & EEE_10G_ADV) 4529 p_caps->eee_speed_caps |= QED_EEE_10G_ADV; 4530 } 4531 4532 static int 4533 qed_get_hw_info(struct qed_hwfn *p_hwfn, 4534 struct qed_ptt *p_ptt, 4535 enum qed_pci_personality personality) 4536 { 4537 int rc; 4538 4539 /* Since all information is common, only first hwfns should do this */ 4540 if (IS_LEAD_HWFN(p_hwfn)) { 4541 rc = qed_iov_hw_info(p_hwfn); 4542 if (rc) 4543 return rc; 4544 } 4545 4546 if (IS_LEAD_HWFN(p_hwfn)) 4547 qed_hw_info_port_num(p_hwfn, p_ptt); 4548 4549 qed_mcp_get_capabilities(p_hwfn, p_ptt); 4550 4551 qed_hw_get_nvm_info(p_hwfn, p_ptt); 4552 4553 rc = qed_int_igu_read_cam(p_hwfn, p_ptt); 4554 if (rc) 4555 return rc; 4556 4557 if (qed_mcp_is_init(p_hwfn)) 4558 ether_addr_copy(p_hwfn->hw_info.hw_mac_addr, 4559 p_hwfn->mcp_info->func_info.mac); 4560 else 4561 eth_random_addr(p_hwfn->hw_info.hw_mac_addr); 4562 4563 if (qed_mcp_is_init(p_hwfn)) { 4564 if (p_hwfn->mcp_info->func_info.ovlan != QED_MCP_VLAN_UNSET) 4565 p_hwfn->hw_info.ovlan = 4566 p_hwfn->mcp_info->func_info.ovlan; 4567 4568 qed_mcp_cmd_port_init(p_hwfn, p_ptt); 4569 4570 qed_get_eee_caps(p_hwfn, p_ptt); 4571 4572 qed_mcp_read_ufp_config(p_hwfn, p_ptt); 4573 } 4574 4575 if (qed_mcp_is_init(p_hwfn)) { 4576 enum qed_pci_personality protocol; 4577 4578 protocol = p_hwfn->mcp_info->func_info.protocol; 4579 p_hwfn->hw_info.personality = protocol; 4580 } 4581 4582 if (QED_IS_ROCE_PERSONALITY(p_hwfn)) 4583 p_hwfn->hw_info.multi_tc_roce_en = true; 4584 4585 p_hwfn->hw_info.num_hw_tc = NUM_PHYS_TCS_4PORT_K2; 4586 p_hwfn->hw_info.num_active_tc = 1; 4587 4588 qed_get_num_funcs(p_hwfn, p_ptt); 4589 4590 if (qed_mcp_is_init(p_hwfn)) 4591 p_hwfn->hw_info.mtu = p_hwfn->mcp_info->func_info.mtu; 4592 4593 return qed_hw_get_resc(p_hwfn, p_ptt); 4594 } 4595 4596 static int qed_get_dev_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 4597 { 4598 struct qed_dev *cdev = p_hwfn->cdev; 4599 u16 device_id_mask; 4600 u32 tmp; 4601 4602 /* Read Vendor Id / Device Id */ 4603 pci_read_config_word(cdev->pdev, PCI_VENDOR_ID, &cdev->vendor_id); 4604 pci_read_config_word(cdev->pdev, PCI_DEVICE_ID, &cdev->device_id); 4605 4606 /* Determine type */ 4607 device_id_mask = cdev->device_id & QED_DEV_ID_MASK; 4608 switch (device_id_mask) { 4609 case QED_DEV_ID_MASK_BB: 4610 cdev->type = QED_DEV_TYPE_BB; 4611 break; 4612 case QED_DEV_ID_MASK_AH: 4613 cdev->type = QED_DEV_TYPE_AH; 4614 break; 4615 default: 4616 DP_NOTICE(p_hwfn, "Unknown device id 0x%x\n", cdev->device_id); 4617 return -EBUSY; 4618 } 4619 4620 cdev->chip_num = (u16)qed_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_NUM); 4621 cdev->chip_rev = (u16)qed_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_REV); 4622 4623 MASK_FIELD(CHIP_REV, cdev->chip_rev); 4624 4625 /* Learn number of HW-functions */ 4626 tmp = qed_rd(p_hwfn, p_ptt, MISCS_REG_CMT_ENABLED_FOR_PAIR); 4627 4628 if (tmp & (1 << p_hwfn->rel_pf_id)) { 4629 DP_NOTICE(cdev->hwfns, "device in CMT mode\n"); 4630 cdev->num_hwfns = 2; 4631 } else { 4632 cdev->num_hwfns = 1; 4633 } 4634 4635 cdev->chip_bond_id = qed_rd(p_hwfn, p_ptt, 4636 MISCS_REG_CHIP_TEST_REG) >> 4; 4637 MASK_FIELD(CHIP_BOND_ID, cdev->chip_bond_id); 4638 cdev->chip_metal = (u16)qed_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_METAL); 4639 MASK_FIELD(CHIP_METAL, cdev->chip_metal); 4640 4641 DP_INFO(cdev->hwfns, 4642 "Chip details - %s %c%d, Num: %04x Rev: %04x Bond id: %04x Metal: %04x\n", 4643 QED_IS_BB(cdev) ? "BB" : "AH", 4644 'A' + cdev->chip_rev, 4645 (int)cdev->chip_metal, 4646 cdev->chip_num, cdev->chip_rev, 4647 cdev->chip_bond_id, cdev->chip_metal); 4648 4649 return 0; 4650 } 4651 4652 static int qed_hw_prepare_single(struct qed_hwfn *p_hwfn, 4653 void __iomem *p_regview, 4654 void __iomem *p_doorbells, 4655 u64 db_phys_addr, 4656 enum qed_pci_personality personality) 4657 { 4658 struct qed_dev *cdev = p_hwfn->cdev; 4659 int rc = 0; 4660 4661 /* Split PCI bars evenly between hwfns */ 4662 p_hwfn->regview = p_regview; 4663 p_hwfn->doorbells = p_doorbells; 4664 p_hwfn->db_phys_addr = db_phys_addr; 4665 4666 if (IS_VF(p_hwfn->cdev)) 4667 return qed_vf_hw_prepare(p_hwfn); 4668 4669 /* Validate that chip access is feasible */ 4670 if (REG_RD(p_hwfn, PXP_PF_ME_OPAQUE_ADDR) == 0xffffffff) { 4671 DP_ERR(p_hwfn, 4672 "Reading the ME register returns all Fs; Preventing further chip access\n"); 4673 return -EINVAL; 4674 } 4675 4676 get_function_id(p_hwfn); 4677 4678 /* Allocate PTT pool */ 4679 rc = qed_ptt_pool_alloc(p_hwfn); 4680 if (rc) 4681 goto err0; 4682 4683 /* Allocate the main PTT */ 4684 p_hwfn->p_main_ptt = qed_get_reserved_ptt(p_hwfn, RESERVED_PTT_MAIN); 4685 4686 /* First hwfn learns basic information, e.g., number of hwfns */ 4687 if (!p_hwfn->my_id) { 4688 rc = qed_get_dev_info(p_hwfn, p_hwfn->p_main_ptt); 4689 if (rc) 4690 goto err1; 4691 } 4692 4693 qed_hw_hwfn_prepare(p_hwfn); 4694 4695 /* Initialize MCP structure */ 4696 rc = qed_mcp_cmd_init(p_hwfn, p_hwfn->p_main_ptt); 4697 if (rc) { 4698 DP_NOTICE(p_hwfn, "Failed initializing mcp command\n"); 4699 goto err1; 4700 } 4701 4702 /* Read the device configuration information from the HW and SHMEM */ 4703 rc = qed_get_hw_info(p_hwfn, p_hwfn->p_main_ptt, personality); 4704 if (rc) { 4705 DP_NOTICE(p_hwfn, "Failed to get HW information\n"); 4706 goto err2; 4707 } 4708 4709 /* Sending a mailbox to the MFW should be done after qed_get_hw_info() 4710 * is called as it sets the ports number in an engine. 4711 */ 4712 if (IS_LEAD_HWFN(p_hwfn) && !cdev->recov_in_prog) { 4713 rc = qed_mcp_initiate_pf_flr(p_hwfn, p_hwfn->p_main_ptt); 4714 if (rc) 4715 DP_NOTICE(p_hwfn, "Failed to initiate PF FLR\n"); 4716 } 4717 4718 /* NVRAM info initialization and population */ 4719 if (IS_LEAD_HWFN(p_hwfn)) { 4720 rc = qed_mcp_nvm_info_populate(p_hwfn); 4721 if (rc) { 4722 DP_NOTICE(p_hwfn, 4723 "Failed to populate nvm info shadow\n"); 4724 goto err2; 4725 } 4726 } 4727 4728 /* Allocate the init RT array and initialize the init-ops engine */ 4729 rc = qed_init_alloc(p_hwfn); 4730 if (rc) 4731 goto err3; 4732 4733 return rc; 4734 err3: 4735 if (IS_LEAD_HWFN(p_hwfn)) 4736 qed_mcp_nvm_info_free(p_hwfn); 4737 err2: 4738 if (IS_LEAD_HWFN(p_hwfn)) 4739 qed_iov_free_hw_info(p_hwfn->cdev); 4740 qed_mcp_free(p_hwfn); 4741 err1: 4742 qed_hw_hwfn_free(p_hwfn); 4743 err0: 4744 return rc; 4745 } 4746 4747 int qed_hw_prepare(struct qed_dev *cdev, 4748 int personality) 4749 { 4750 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); 4751 int rc; 4752 4753 /* Store the precompiled init data ptrs */ 4754 if (IS_PF(cdev)) 4755 qed_init_iro_array(cdev); 4756 4757 /* Initialize the first hwfn - will learn number of hwfns */ 4758 rc = qed_hw_prepare_single(p_hwfn, 4759 cdev->regview, 4760 cdev->doorbells, 4761 cdev->db_phys_addr, 4762 personality); 4763 if (rc) 4764 return rc; 4765 4766 personality = p_hwfn->hw_info.personality; 4767 4768 /* Initialize the rest of the hwfns */ 4769 if (cdev->num_hwfns > 1) { 4770 void __iomem *p_regview, *p_doorbell; 4771 u64 db_phys_addr; 4772 u32 offset; 4773 4774 /* adjust bar offset for second engine */ 4775 offset = qed_hw_bar_size(p_hwfn, p_hwfn->p_main_ptt, 4776 BAR_ID_0) / 2; 4777 p_regview = cdev->regview + offset; 4778 4779 offset = qed_hw_bar_size(p_hwfn, p_hwfn->p_main_ptt, 4780 BAR_ID_1) / 2; 4781 4782 p_doorbell = cdev->doorbells + offset; 4783 4784 db_phys_addr = cdev->db_phys_addr + offset; 4785 4786 /* prepare second hw function */ 4787 rc = qed_hw_prepare_single(&cdev->hwfns[1], p_regview, 4788 p_doorbell, db_phys_addr, 4789 personality); 4790 4791 /* in case of error, need to free the previously 4792 * initiliazed hwfn 0. 4793 */ 4794 if (rc) { 4795 if (IS_PF(cdev)) { 4796 qed_init_free(p_hwfn); 4797 qed_mcp_nvm_info_free(p_hwfn); 4798 qed_mcp_free(p_hwfn); 4799 qed_hw_hwfn_free(p_hwfn); 4800 } 4801 } 4802 } 4803 4804 return rc; 4805 } 4806 4807 void qed_hw_remove(struct qed_dev *cdev) 4808 { 4809 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); 4810 int i; 4811 4812 if (IS_PF(cdev)) 4813 qed_mcp_ov_update_driver_state(p_hwfn, p_hwfn->p_main_ptt, 4814 QED_OV_DRIVER_STATE_NOT_LOADED); 4815 4816 for_each_hwfn(cdev, i) { 4817 struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 4818 4819 if (IS_VF(cdev)) { 4820 qed_vf_pf_release(p_hwfn); 4821 continue; 4822 } 4823 4824 qed_init_free(p_hwfn); 4825 qed_hw_hwfn_free(p_hwfn); 4826 qed_mcp_free(p_hwfn); 4827 } 4828 4829 qed_iov_free_hw_info(cdev); 4830 4831 qed_mcp_nvm_info_free(p_hwfn); 4832 } 4833 4834 int qed_fw_l2_queue(struct qed_hwfn *p_hwfn, u16 src_id, u16 *dst_id) 4835 { 4836 if (src_id >= RESC_NUM(p_hwfn, QED_L2_QUEUE)) { 4837 u16 min, max; 4838 4839 min = (u16)RESC_START(p_hwfn, QED_L2_QUEUE); 4840 max = min + RESC_NUM(p_hwfn, QED_L2_QUEUE); 4841 DP_NOTICE(p_hwfn, 4842 "l2_queue id [%d] is not valid, available indices [%d - %d]\n", 4843 src_id, min, max); 4844 4845 return -EINVAL; 4846 } 4847 4848 *dst_id = RESC_START(p_hwfn, QED_L2_QUEUE) + src_id; 4849 4850 return 0; 4851 } 4852 4853 int qed_fw_vport(struct qed_hwfn *p_hwfn, u8 src_id, u8 *dst_id) 4854 { 4855 if (src_id >= RESC_NUM(p_hwfn, QED_VPORT)) { 4856 u8 min, max; 4857 4858 min = (u8)RESC_START(p_hwfn, QED_VPORT); 4859 max = min + RESC_NUM(p_hwfn, QED_VPORT); 4860 DP_NOTICE(p_hwfn, 4861 "vport id [%d] is not valid, available indices [%d - %d]\n", 4862 src_id, min, max); 4863 4864 return -EINVAL; 4865 } 4866 4867 *dst_id = RESC_START(p_hwfn, QED_VPORT) + src_id; 4868 4869 return 0; 4870 } 4871 4872 int qed_fw_rss_eng(struct qed_hwfn *p_hwfn, u8 src_id, u8 *dst_id) 4873 { 4874 if (src_id >= RESC_NUM(p_hwfn, QED_RSS_ENG)) { 4875 u8 min, max; 4876 4877 min = (u8)RESC_START(p_hwfn, QED_RSS_ENG); 4878 max = min + RESC_NUM(p_hwfn, QED_RSS_ENG); 4879 DP_NOTICE(p_hwfn, 4880 "rss_eng id [%d] is not valid, available indices [%d - %d]\n", 4881 src_id, min, max); 4882 4883 return -EINVAL; 4884 } 4885 4886 *dst_id = RESC_START(p_hwfn, QED_RSS_ENG) + src_id; 4887 4888 return 0; 4889 } 4890 4891 static int qed_set_coalesce(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, 4892 u32 hw_addr, void *p_eth_qzone, 4893 size_t eth_qzone_size, u8 timeset) 4894 { 4895 struct coalescing_timeset *p_coal_timeset; 4896 4897 if (p_hwfn->cdev->int_coalescing_mode != QED_COAL_MODE_ENABLE) { 4898 DP_NOTICE(p_hwfn, "Coalescing configuration not enabled\n"); 4899 return -EINVAL; 4900 } 4901 4902 p_coal_timeset = p_eth_qzone; 4903 memset(p_eth_qzone, 0, eth_qzone_size); 4904 SET_FIELD(p_coal_timeset->value, COALESCING_TIMESET_TIMESET, timeset); 4905 SET_FIELD(p_coal_timeset->value, COALESCING_TIMESET_VALID, 1); 4906 qed_memcpy_to(p_hwfn, p_ptt, hw_addr, p_eth_qzone, eth_qzone_size); 4907 4908 return 0; 4909 } 4910 4911 int qed_set_queue_coalesce(u16 rx_coal, u16 tx_coal, void *p_handle) 4912 { 4913 struct qed_queue_cid *p_cid = p_handle; 4914 struct qed_hwfn *p_hwfn; 4915 struct qed_ptt *p_ptt; 4916 int rc = 0; 4917 4918 p_hwfn = p_cid->p_owner; 4919 4920 if (IS_VF(p_hwfn->cdev)) 4921 return qed_vf_pf_set_coalesce(p_hwfn, rx_coal, tx_coal, p_cid); 4922 4923 p_ptt = qed_ptt_acquire(p_hwfn); 4924 if (!p_ptt) 4925 return -EAGAIN; 4926 4927 if (rx_coal) { 4928 rc = qed_set_rxq_coalesce(p_hwfn, p_ptt, rx_coal, p_cid); 4929 if (rc) 4930 goto out; 4931 p_hwfn->cdev->rx_coalesce_usecs = rx_coal; 4932 } 4933 4934 if (tx_coal) { 4935 rc = qed_set_txq_coalesce(p_hwfn, p_ptt, tx_coal, p_cid); 4936 if (rc) 4937 goto out; 4938 p_hwfn->cdev->tx_coalesce_usecs = tx_coal; 4939 } 4940 out: 4941 qed_ptt_release(p_hwfn, p_ptt); 4942 return rc; 4943 } 4944 4945 int qed_set_rxq_coalesce(struct qed_hwfn *p_hwfn, 4946 struct qed_ptt *p_ptt, 4947 u16 coalesce, struct qed_queue_cid *p_cid) 4948 { 4949 struct ustorm_eth_queue_zone eth_qzone; 4950 u8 timeset, timer_res; 4951 u32 address; 4952 int rc; 4953 4954 /* Coalesce = (timeset << timer-resolution), timeset is 7bit wide */ 4955 if (coalesce <= 0x7F) { 4956 timer_res = 0; 4957 } else if (coalesce <= 0xFF) { 4958 timer_res = 1; 4959 } else if (coalesce <= 0x1FF) { 4960 timer_res = 2; 4961 } else { 4962 DP_ERR(p_hwfn, "Invalid coalesce value - %d\n", coalesce); 4963 return -EINVAL; 4964 } 4965 timeset = (u8)(coalesce >> timer_res); 4966 4967 rc = qed_int_set_timer_res(p_hwfn, p_ptt, timer_res, 4968 p_cid->sb_igu_id, false); 4969 if (rc) 4970 goto out; 4971 4972 address = BAR0_MAP_REG_USDM_RAM + 4973 USTORM_ETH_QUEUE_ZONE_GTT_OFFSET(p_cid->abs.queue_id); 4974 4975 rc = qed_set_coalesce(p_hwfn, p_ptt, address, ð_qzone, 4976 sizeof(struct ustorm_eth_queue_zone), timeset); 4977 if (rc) 4978 goto out; 4979 4980 out: 4981 return rc; 4982 } 4983 4984 int qed_set_txq_coalesce(struct qed_hwfn *p_hwfn, 4985 struct qed_ptt *p_ptt, 4986 u16 coalesce, struct qed_queue_cid *p_cid) 4987 { 4988 struct xstorm_eth_queue_zone eth_qzone; 4989 u8 timeset, timer_res; 4990 u32 address; 4991 int rc; 4992 4993 /* Coalesce = (timeset << timer-resolution), timeset is 7bit wide */ 4994 if (coalesce <= 0x7F) { 4995 timer_res = 0; 4996 } else if (coalesce <= 0xFF) { 4997 timer_res = 1; 4998 } else if (coalesce <= 0x1FF) { 4999 timer_res = 2; 5000 } else { 5001 DP_ERR(p_hwfn, "Invalid coalesce value - %d\n", coalesce); 5002 return -EINVAL; 5003 } 5004 timeset = (u8)(coalesce >> timer_res); 5005 5006 rc = qed_int_set_timer_res(p_hwfn, p_ptt, timer_res, 5007 p_cid->sb_igu_id, true); 5008 if (rc) 5009 goto out; 5010 5011 address = BAR0_MAP_REG_XSDM_RAM + 5012 XSTORM_ETH_QUEUE_ZONE_GTT_OFFSET(p_cid->abs.queue_id); 5013 5014 rc = qed_set_coalesce(p_hwfn, p_ptt, address, ð_qzone, 5015 sizeof(struct xstorm_eth_queue_zone), timeset); 5016 out: 5017 return rc; 5018 } 5019 5020 /* Calculate final WFQ values for all vports and configure them. 5021 * After this configuration each vport will have 5022 * approx min rate = min_pf_rate * (vport_wfq / QED_WFQ_UNIT) 5023 */ 5024 static void qed_configure_wfq_for_all_vports(struct qed_hwfn *p_hwfn, 5025 struct qed_ptt *p_ptt, 5026 u32 min_pf_rate) 5027 { 5028 struct init_qm_vport_params *vport_params; 5029 int i; 5030 5031 vport_params = p_hwfn->qm_info.qm_vport_params; 5032 5033 for (i = 0; i < p_hwfn->qm_info.num_vports; i++) { 5034 u32 wfq_speed = p_hwfn->qm_info.wfq_data[i].min_speed; 5035 5036 vport_params[i].wfq = (wfq_speed * QED_WFQ_UNIT) / 5037 min_pf_rate; 5038 qed_init_vport_wfq(p_hwfn, p_ptt, 5039 vport_params[i].first_tx_pq_id, 5040 vport_params[i].wfq); 5041 } 5042 } 5043 5044 static void qed_init_wfq_default_param(struct qed_hwfn *p_hwfn, 5045 u32 min_pf_rate) 5046 5047 { 5048 int i; 5049 5050 for (i = 0; i < p_hwfn->qm_info.num_vports; i++) 5051 p_hwfn->qm_info.qm_vport_params[i].wfq = 1; 5052 } 5053 5054 static void qed_disable_wfq_for_all_vports(struct qed_hwfn *p_hwfn, 5055 struct qed_ptt *p_ptt, 5056 u32 min_pf_rate) 5057 { 5058 struct init_qm_vport_params *vport_params; 5059 int i; 5060 5061 vport_params = p_hwfn->qm_info.qm_vport_params; 5062 5063 for (i = 0; i < p_hwfn->qm_info.num_vports; i++) { 5064 qed_init_wfq_default_param(p_hwfn, min_pf_rate); 5065 qed_init_vport_wfq(p_hwfn, p_ptt, 5066 vport_params[i].first_tx_pq_id, 5067 vport_params[i].wfq); 5068 } 5069 } 5070 5071 /* This function performs several validations for WFQ 5072 * configuration and required min rate for a given vport 5073 * 1. req_rate must be greater than one percent of min_pf_rate. 5074 * 2. req_rate should not cause other vports [not configured for WFQ explicitly] 5075 * rates to get less than one percent of min_pf_rate. 5076 * 3. total_req_min_rate [all vports min rate sum] shouldn't exceed min_pf_rate. 5077 */ 5078 static int qed_init_wfq_param(struct qed_hwfn *p_hwfn, 5079 u16 vport_id, u32 req_rate, u32 min_pf_rate) 5080 { 5081 u32 total_req_min_rate = 0, total_left_rate = 0, left_rate_per_vp = 0; 5082 int non_requested_count = 0, req_count = 0, i, num_vports; 5083 5084 num_vports = p_hwfn->qm_info.num_vports; 5085 5086 if (num_vports < 2) { 5087 DP_NOTICE(p_hwfn, "Unexpected num_vports: %d\n", num_vports); 5088 return -EINVAL; 5089 } 5090 5091 /* Accounting for the vports which are configured for WFQ explicitly */ 5092 for (i = 0; i < num_vports; i++) { 5093 u32 tmp_speed; 5094 5095 if ((i != vport_id) && 5096 p_hwfn->qm_info.wfq_data[i].configured) { 5097 req_count++; 5098 tmp_speed = p_hwfn->qm_info.wfq_data[i].min_speed; 5099 total_req_min_rate += tmp_speed; 5100 } 5101 } 5102 5103 /* Include current vport data as well */ 5104 req_count++; 5105 total_req_min_rate += req_rate; 5106 non_requested_count = num_vports - req_count; 5107 5108 if (req_rate < min_pf_rate / QED_WFQ_UNIT) { 5109 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, 5110 "Vport [%d] - Requested rate[%d Mbps] is less than one percent of configured PF min rate[%d Mbps]\n", 5111 vport_id, req_rate, min_pf_rate); 5112 return -EINVAL; 5113 } 5114 5115 if (num_vports > QED_WFQ_UNIT) { 5116 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, 5117 "Number of vports is greater than %d\n", 5118 QED_WFQ_UNIT); 5119 return -EINVAL; 5120 } 5121 5122 if (total_req_min_rate > min_pf_rate) { 5123 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, 5124 "Total requested min rate for all vports[%d Mbps] is greater than configured PF min rate[%d Mbps]\n", 5125 total_req_min_rate, min_pf_rate); 5126 return -EINVAL; 5127 } 5128 5129 total_left_rate = min_pf_rate - total_req_min_rate; 5130 5131 left_rate_per_vp = total_left_rate / non_requested_count; 5132 if (left_rate_per_vp < min_pf_rate / QED_WFQ_UNIT) { 5133 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, 5134 "Non WFQ configured vports rate [%d Mbps] is less than one percent of configured PF min rate[%d Mbps]\n", 5135 left_rate_per_vp, min_pf_rate); 5136 return -EINVAL; 5137 } 5138 5139 p_hwfn->qm_info.wfq_data[vport_id].min_speed = req_rate; 5140 p_hwfn->qm_info.wfq_data[vport_id].configured = true; 5141 5142 for (i = 0; i < num_vports; i++) { 5143 if (p_hwfn->qm_info.wfq_data[i].configured) 5144 continue; 5145 5146 p_hwfn->qm_info.wfq_data[i].min_speed = left_rate_per_vp; 5147 } 5148 5149 return 0; 5150 } 5151 5152 static int __qed_configure_vport_wfq(struct qed_hwfn *p_hwfn, 5153 struct qed_ptt *p_ptt, u16 vp_id, u32 rate) 5154 { 5155 struct qed_mcp_link_state *p_link; 5156 int rc = 0; 5157 5158 p_link = &p_hwfn->cdev->hwfns[0].mcp_info->link_output; 5159 5160 if (!p_link->min_pf_rate) { 5161 p_hwfn->qm_info.wfq_data[vp_id].min_speed = rate; 5162 p_hwfn->qm_info.wfq_data[vp_id].configured = true; 5163 return rc; 5164 } 5165 5166 rc = qed_init_wfq_param(p_hwfn, vp_id, rate, p_link->min_pf_rate); 5167 5168 if (!rc) 5169 qed_configure_wfq_for_all_vports(p_hwfn, p_ptt, 5170 p_link->min_pf_rate); 5171 else 5172 DP_NOTICE(p_hwfn, 5173 "Validation failed while configuring min rate\n"); 5174 5175 return rc; 5176 } 5177 5178 static int __qed_configure_vp_wfq_on_link_change(struct qed_hwfn *p_hwfn, 5179 struct qed_ptt *p_ptt, 5180 u32 min_pf_rate) 5181 { 5182 bool use_wfq = false; 5183 int rc = 0; 5184 u16 i; 5185 5186 /* Validate all pre configured vports for wfq */ 5187 for (i = 0; i < p_hwfn->qm_info.num_vports; i++) { 5188 u32 rate; 5189 5190 if (!p_hwfn->qm_info.wfq_data[i].configured) 5191 continue; 5192 5193 rate = p_hwfn->qm_info.wfq_data[i].min_speed; 5194 use_wfq = true; 5195 5196 rc = qed_init_wfq_param(p_hwfn, i, rate, min_pf_rate); 5197 if (rc) { 5198 DP_NOTICE(p_hwfn, 5199 "WFQ validation failed while configuring min rate\n"); 5200 break; 5201 } 5202 } 5203 5204 if (!rc && use_wfq) 5205 qed_configure_wfq_for_all_vports(p_hwfn, p_ptt, min_pf_rate); 5206 else 5207 qed_disable_wfq_for_all_vports(p_hwfn, p_ptt, min_pf_rate); 5208 5209 return rc; 5210 } 5211 5212 /* Main API for qed clients to configure vport min rate. 5213 * vp_id - vport id in PF Range[0 - (total_num_vports_per_pf - 1)] 5214 * rate - Speed in Mbps needs to be assigned to a given vport. 5215 */ 5216 int qed_configure_vport_wfq(struct qed_dev *cdev, u16 vp_id, u32 rate) 5217 { 5218 int i, rc = -EINVAL; 5219 5220 /* Currently not supported; Might change in future */ 5221 if (cdev->num_hwfns > 1) { 5222 DP_NOTICE(cdev, 5223 "WFQ configuration is not supported for this device\n"); 5224 return rc; 5225 } 5226 5227 for_each_hwfn(cdev, i) { 5228 struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 5229 struct qed_ptt *p_ptt; 5230 5231 p_ptt = qed_ptt_acquire(p_hwfn); 5232 if (!p_ptt) 5233 return -EBUSY; 5234 5235 rc = __qed_configure_vport_wfq(p_hwfn, p_ptt, vp_id, rate); 5236 5237 if (rc) { 5238 qed_ptt_release(p_hwfn, p_ptt); 5239 return rc; 5240 } 5241 5242 qed_ptt_release(p_hwfn, p_ptt); 5243 } 5244 5245 return rc; 5246 } 5247 5248 /* API to configure WFQ from mcp link change */ 5249 void qed_configure_vp_wfq_on_link_change(struct qed_dev *cdev, 5250 struct qed_ptt *p_ptt, u32 min_pf_rate) 5251 { 5252 int i; 5253 5254 if (cdev->num_hwfns > 1) { 5255 DP_VERBOSE(cdev, 5256 NETIF_MSG_LINK, 5257 "WFQ configuration is not supported for this device\n"); 5258 return; 5259 } 5260 5261 for_each_hwfn(cdev, i) { 5262 struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 5263 5264 __qed_configure_vp_wfq_on_link_change(p_hwfn, p_ptt, 5265 min_pf_rate); 5266 } 5267 } 5268 5269 int __qed_configure_pf_max_bandwidth(struct qed_hwfn *p_hwfn, 5270 struct qed_ptt *p_ptt, 5271 struct qed_mcp_link_state *p_link, 5272 u8 max_bw) 5273 { 5274 int rc = 0; 5275 5276 p_hwfn->mcp_info->func_info.bandwidth_max = max_bw; 5277 5278 if (!p_link->line_speed && (max_bw != 100)) 5279 return rc; 5280 5281 p_link->speed = (p_link->line_speed * max_bw) / 100; 5282 p_hwfn->qm_info.pf_rl = p_link->speed; 5283 5284 /* Since the limiter also affects Tx-switched traffic, we don't want it 5285 * to limit such traffic in case there's no actual limit. 5286 * In that case, set limit to imaginary high boundary. 5287 */ 5288 if (max_bw == 100) 5289 p_hwfn->qm_info.pf_rl = 100000; 5290 5291 rc = qed_init_pf_rl(p_hwfn, p_ptt, p_hwfn->rel_pf_id, 5292 p_hwfn->qm_info.pf_rl); 5293 5294 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, 5295 "Configured MAX bandwidth to be %08x Mb/sec\n", 5296 p_link->speed); 5297 5298 return rc; 5299 } 5300 5301 /* Main API to configure PF max bandwidth where bw range is [1 - 100] */ 5302 int qed_configure_pf_max_bandwidth(struct qed_dev *cdev, u8 max_bw) 5303 { 5304 int i, rc = -EINVAL; 5305 5306 if (max_bw < 1 || max_bw > 100) { 5307 DP_NOTICE(cdev, "PF max bw valid range is [1-100]\n"); 5308 return rc; 5309 } 5310 5311 for_each_hwfn(cdev, i) { 5312 struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 5313 struct qed_hwfn *p_lead = QED_LEADING_HWFN(cdev); 5314 struct qed_mcp_link_state *p_link; 5315 struct qed_ptt *p_ptt; 5316 5317 p_link = &p_lead->mcp_info->link_output; 5318 5319 p_ptt = qed_ptt_acquire(p_hwfn); 5320 if (!p_ptt) 5321 return -EBUSY; 5322 5323 rc = __qed_configure_pf_max_bandwidth(p_hwfn, p_ptt, 5324 p_link, max_bw); 5325 5326 qed_ptt_release(p_hwfn, p_ptt); 5327 5328 if (rc) 5329 break; 5330 } 5331 5332 return rc; 5333 } 5334 5335 int __qed_configure_pf_min_bandwidth(struct qed_hwfn *p_hwfn, 5336 struct qed_ptt *p_ptt, 5337 struct qed_mcp_link_state *p_link, 5338 u8 min_bw) 5339 { 5340 int rc = 0; 5341 5342 p_hwfn->mcp_info->func_info.bandwidth_min = min_bw; 5343 p_hwfn->qm_info.pf_wfq = min_bw; 5344 5345 if (!p_link->line_speed) 5346 return rc; 5347 5348 p_link->min_pf_rate = (p_link->line_speed * min_bw) / 100; 5349 5350 rc = qed_init_pf_wfq(p_hwfn, p_ptt, p_hwfn->rel_pf_id, min_bw); 5351 5352 DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, 5353 "Configured MIN bandwidth to be %d Mb/sec\n", 5354 p_link->min_pf_rate); 5355 5356 return rc; 5357 } 5358 5359 /* Main API to configure PF min bandwidth where bw range is [1-100] */ 5360 int qed_configure_pf_min_bandwidth(struct qed_dev *cdev, u8 min_bw) 5361 { 5362 int i, rc = -EINVAL; 5363 5364 if (min_bw < 1 || min_bw > 100) { 5365 DP_NOTICE(cdev, "PF min bw valid range is [1-100]\n"); 5366 return rc; 5367 } 5368 5369 for_each_hwfn(cdev, i) { 5370 struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; 5371 struct qed_hwfn *p_lead = QED_LEADING_HWFN(cdev); 5372 struct qed_mcp_link_state *p_link; 5373 struct qed_ptt *p_ptt; 5374 5375 p_link = &p_lead->mcp_info->link_output; 5376 5377 p_ptt = qed_ptt_acquire(p_hwfn); 5378 if (!p_ptt) 5379 return -EBUSY; 5380 5381 rc = __qed_configure_pf_min_bandwidth(p_hwfn, p_ptt, 5382 p_link, min_bw); 5383 if (rc) { 5384 qed_ptt_release(p_hwfn, p_ptt); 5385 return rc; 5386 } 5387 5388 if (p_link->min_pf_rate) { 5389 u32 min_rate = p_link->min_pf_rate; 5390 5391 rc = __qed_configure_vp_wfq_on_link_change(p_hwfn, 5392 p_ptt, 5393 min_rate); 5394 } 5395 5396 qed_ptt_release(p_hwfn, p_ptt); 5397 } 5398 5399 return rc; 5400 } 5401 5402 void qed_clean_wfq_db(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) 5403 { 5404 struct qed_mcp_link_state *p_link; 5405 5406 p_link = &p_hwfn->mcp_info->link_output; 5407 5408 if (p_link->min_pf_rate) 5409 qed_disable_wfq_for_all_vports(p_hwfn, p_ptt, 5410 p_link->min_pf_rate); 5411 5412 memset(p_hwfn->qm_info.wfq_data, 0, 5413 sizeof(*p_hwfn->qm_info.wfq_data) * p_hwfn->qm_info.num_vports); 5414 } 5415 5416 int qed_device_num_ports(struct qed_dev *cdev) 5417 { 5418 return cdev->num_ports; 5419 } 5420 5421 void qed_set_fw_mac_addr(__le16 *fw_msb, 5422 __le16 *fw_mid, __le16 *fw_lsb, u8 *mac) 5423 { 5424 ((u8 *)fw_msb)[0] = mac[1]; 5425 ((u8 *)fw_msb)[1] = mac[0]; 5426 ((u8 *)fw_mid)[0] = mac[3]; 5427 ((u8 *)fw_mid)[1] = mac[2]; 5428 ((u8 *)fw_lsb)[0] = mac[5]; 5429 ((u8 *)fw_lsb)[1] = mac[4]; 5430 } 5431 5432 static int qed_llh_shadow_remove_all_filters(struct qed_dev *cdev, u8 ppfid) 5433 { 5434 struct qed_llh_info *p_llh_info = cdev->p_llh_info; 5435 struct qed_llh_filter_info *p_filters; 5436 int rc; 5437 5438 rc = qed_llh_shadow_sanity(cdev, ppfid, 0, "remove_all"); 5439 if (rc) 5440 return rc; 5441 5442 p_filters = p_llh_info->pp_filters[ppfid]; 5443 memset(p_filters, 0, NIG_REG_LLH_FUNC_FILTER_EN_SIZE * 5444 sizeof(*p_filters)); 5445 5446 return 0; 5447 } 5448 5449 static void qed_llh_clear_ppfid_filters(struct qed_dev *cdev, u8 ppfid) 5450 { 5451 struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev); 5452 struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn); 5453 u8 filter_idx, abs_ppfid; 5454 int rc = 0; 5455 5456 if (!p_ptt) 5457 return; 5458 5459 if (!test_bit(QED_MF_LLH_PROTO_CLSS, &cdev->mf_bits) && 5460 !test_bit(QED_MF_LLH_MAC_CLSS, &cdev->mf_bits)) 5461 goto out; 5462 5463 rc = qed_llh_abs_ppfid(cdev, ppfid, &abs_ppfid); 5464 if (rc) 5465 goto out; 5466 5467 rc = qed_llh_shadow_remove_all_filters(cdev, ppfid); 5468 if (rc) 5469 goto out; 5470 5471 for (filter_idx = 0; filter_idx < NIG_REG_LLH_FUNC_FILTER_EN_SIZE; 5472 filter_idx++) { 5473 rc = qed_llh_remove_filter(p_hwfn, p_ptt, 5474 abs_ppfid, filter_idx); 5475 if (rc) 5476 goto out; 5477 } 5478 out: 5479 qed_ptt_release(p_hwfn, p_ptt); 5480 } 5481 5482 int qed_llh_add_src_tcp_port_filter(struct qed_dev *cdev, u16 src_port) 5483 { 5484 return qed_llh_add_protocol_filter(cdev, 0, 5485 QED_LLH_FILTER_TCP_SRC_PORT, 5486 src_port, QED_LLH_DONT_CARE); 5487 } 5488 5489 void qed_llh_remove_src_tcp_port_filter(struct qed_dev *cdev, u16 src_port) 5490 { 5491 qed_llh_remove_protocol_filter(cdev, 0, 5492 QED_LLH_FILTER_TCP_SRC_PORT, 5493 src_port, QED_LLH_DONT_CARE); 5494 } 5495 5496 int qed_llh_add_dst_tcp_port_filter(struct qed_dev *cdev, u16 dest_port) 5497 { 5498 return qed_llh_add_protocol_filter(cdev, 0, 5499 QED_LLH_FILTER_TCP_DEST_PORT, 5500 QED_LLH_DONT_CARE, dest_port); 5501 } 5502 5503 void qed_llh_remove_dst_tcp_port_filter(struct qed_dev *cdev, u16 dest_port) 5504 { 5505 qed_llh_remove_protocol_filter(cdev, 0, 5506 QED_LLH_FILTER_TCP_DEST_PORT, 5507 QED_LLH_DONT_CARE, dest_port); 5508 } 5509 5510 void qed_llh_clear_all_filters(struct qed_dev *cdev) 5511 { 5512 u8 ppfid; 5513 5514 if (!test_bit(QED_MF_LLH_PROTO_CLSS, &cdev->mf_bits) && 5515 !test_bit(QED_MF_LLH_MAC_CLSS, &cdev->mf_bits)) 5516 return; 5517 5518 for (ppfid = 0; ppfid < cdev->p_llh_info->num_ppfid; ppfid++) 5519 qed_llh_clear_ppfid_filters(cdev, ppfid); 5520 } 5521