1 /* 2 * Copyright (c) 2017-2018 Cavium, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 /* 28 * File : ecore_spq.c 29 */ 30 #include <sys/cdefs.h> 31 __FBSDID("$FreeBSD$"); 32 33 34 #include "bcm_osal.h" 35 #include "reg_addr.h" 36 #include "ecore_gtt_reg_addr.h" 37 #include "ecore_hsi_common.h" 38 #include "ecore.h" 39 #include "ecore_sp_api.h" 40 #include "ecore_spq.h" 41 #include "ecore_iro.h" 42 #include "ecore_init_fw_funcs.h" 43 #include "ecore_cxt.h" 44 #include "ecore_int.h" 45 #include "ecore_dev_api.h" 46 #include "ecore_mcp.h" 47 #ifdef CONFIG_ECORE_RDMA 48 #include "ecore_rdma.h" 49 #endif 50 #include "ecore_hw.h" 51 #include "ecore_sriov.h" 52 #ifdef CONFIG_ECORE_ISCSI 53 #include "ecore_iscsi.h" 54 #include "ecore_ooo.h" 55 #endif 56 57 #ifdef _NTDDK_ 58 #pragma warning(push) 59 #pragma warning(disable : 28167) 60 #pragma warning(disable : 28123) 61 #endif 62 63 /*************************************************************************** 64 * Structures & Definitions 65 ***************************************************************************/ 66 67 #define SPQ_HIGH_PRI_RESERVE_DEFAULT (1) 68 69 #define SPQ_BLOCK_DELAY_MAX_ITER (10) 70 #define SPQ_BLOCK_DELAY_US (10) 71 #define SPQ_BLOCK_SLEEP_MAX_ITER (200) 72 #define SPQ_BLOCK_SLEEP_MS (5) 73 74 #ifndef REMOVE_DBG 75 /*************************************************************************** 76 * Debug [iSCSI] tool 77 ***************************************************************************/ 78 static void ecore_iscsi_eq_dump(struct ecore_hwfn *p_hwfn, 79 struct event_ring_entry *p_eqe) 80 { 81 if (p_eqe->opcode >= MAX_ISCSI_EQE_OPCODE) { 82 DP_NOTICE(p_hwfn, false, "Unknown iSCSI EQ: %x\n", 83 p_eqe->opcode); 84 } 85 86 switch (p_eqe->opcode) { 87 case ISCSI_EVENT_TYPE_INIT_FUNC: 88 case ISCSI_EVENT_TYPE_DESTROY_FUNC: 89 /* NOPE */ 90 break; 91 case ISCSI_EVENT_TYPE_OFFLOAD_CONN: 92 case ISCSI_EVENT_TYPE_TERMINATE_CONN: 93 DP_VERBOSE(p_hwfn, ECORE_MSG_STORAGE, 94 "iSCSI EQE: Port %x, Op %x, echo %x, FWret %x, CID %x, ConnID %x, ERR %x\n", 95 p_hwfn->port_id, p_eqe->opcode, 96 OSAL_LE16_TO_CPU(p_eqe->echo), 97 p_eqe->fw_return_code, 98 OSAL_LE16_TO_CPU(p_eqe->data.iscsi_info.icid), 99 OSAL_LE16_TO_CPU(p_eqe->data.iscsi_info.conn_id), 100 p_eqe->data.iscsi_info.error_code); 101 break; 102 case ISCSI_EVENT_TYPE_UPDATE_CONN: 103 case ISCSI_EVENT_TYPE_CLEAR_SQ: 104 case ISCSI_EVENT_TYPE_ASYN_CONNECT_COMPLETE: 105 case ISCSI_EVENT_TYPE_ASYN_TERMINATE_DONE: 106 case ISCSI_EVENT_TYPE_ASYN_ABORT_RCVD: 107 case ISCSI_EVENT_TYPE_ASYN_CLOSE_RCVD: 108 case ISCSI_EVENT_TYPE_ASYN_SYN_RCVD: 109 case ISCSI_EVENT_TYPE_ASYN_MAX_RT_TIME: 110 case ISCSI_EVENT_TYPE_ASYN_MAX_RT_CNT: 111 case ISCSI_EVENT_TYPE_ASYN_MAX_KA_PROBES_CNT: 112 case ISCSI_EVENT_TYPE_ASYN_FIN_WAIT2: 113 case ISCSI_EVENT_TYPE_ISCSI_CONN_ERROR: 114 case ISCSI_EVENT_TYPE_TCP_CONN_ERROR: 115 default: 116 /* NOPE */ 117 break; 118 } 119 } 120 #endif 121 122 /*************************************************************************** 123 * Blocking Imp. (BLOCK/EBLOCK mode) 124 ***************************************************************************/ 125 static void ecore_spq_blocking_cb(struct ecore_hwfn *p_hwfn, void *cookie, 126 union event_ring_data OSAL_UNUSED *data, 127 u8 fw_return_code) 128 { 129 struct ecore_spq_comp_done *comp_done; 130 131 comp_done = (struct ecore_spq_comp_done *)cookie; 132 133 comp_done->done = 0x1; 134 comp_done->fw_return_code = fw_return_code; 135 136 /* make update visible to waiting thread */ 137 OSAL_SMP_WMB(p_hwfn->p_dev); 138 } 139 140 static enum _ecore_status_t __ecore_spq_block(struct ecore_hwfn *p_hwfn, 141 struct ecore_spq_entry *p_ent, 142 u8 *p_fw_ret, 143 bool sleep_between_iter) 144 { 145 struct ecore_spq_comp_done *comp_done; 146 u32 iter_cnt; 147 148 comp_done = (struct ecore_spq_comp_done *)p_ent->comp_cb.cookie; 149 iter_cnt = sleep_between_iter ? SPQ_BLOCK_SLEEP_MAX_ITER 150 : SPQ_BLOCK_DELAY_MAX_ITER; 151 #ifndef ASIC_ONLY 152 if (CHIP_REV_IS_EMUL(p_hwfn->p_dev) && sleep_between_iter) 153 iter_cnt *= 5; 154 #endif 155 156 while (iter_cnt--) { 157 OSAL_POLL_MODE_DPC(p_hwfn); 158 OSAL_SMP_RMB(p_hwfn->p_dev); 159 if (comp_done->done == 1) { 160 if (p_fw_ret) 161 *p_fw_ret = comp_done->fw_return_code; 162 return ECORE_SUCCESS; 163 } 164 165 if (sleep_between_iter) { 166 OSAL_MSLEEP(SPQ_BLOCK_SLEEP_MS); 167 } else { 168 OSAL_UDELAY(SPQ_BLOCK_DELAY_US); 169 } 170 } 171 172 return ECORE_TIMEOUT; 173 } 174 175 static enum _ecore_status_t ecore_spq_block(struct ecore_hwfn *p_hwfn, 176 struct ecore_spq_entry *p_ent, 177 u8 *p_fw_ret, bool skip_quick_poll) 178 { 179 struct ecore_spq_comp_done *comp_done; 180 struct ecore_ptt *p_ptt; 181 enum _ecore_status_t rc; 182 183 /* A relatively short polling period w/o sleeping, to allow the FW to 184 * complete the ramrod and thus possibly to avoid the following sleeps. 185 */ 186 if (!skip_quick_poll) { 187 rc = __ecore_spq_block(p_hwfn, p_ent, p_fw_ret, false); 188 if (rc == ECORE_SUCCESS) 189 return ECORE_SUCCESS; 190 } 191 192 /* Move to polling with a sleeping period between iterations */ 193 rc = __ecore_spq_block(p_hwfn, p_ent, p_fw_ret, true); 194 if (rc == ECORE_SUCCESS) 195 return ECORE_SUCCESS; 196 197 p_ptt = ecore_ptt_acquire(p_hwfn); 198 if (!p_ptt) 199 return ECORE_AGAIN; 200 201 DP_INFO(p_hwfn, "Ramrod is stuck, requesting MCP drain\n"); 202 rc = ecore_mcp_drain(p_hwfn, p_ptt); 203 ecore_ptt_release(p_hwfn, p_ptt); 204 if (rc != ECORE_SUCCESS) { 205 DP_NOTICE(p_hwfn, true, "MCP drain failed\n"); 206 goto err; 207 } 208 209 /* Retry after drain */ 210 rc = __ecore_spq_block(p_hwfn, p_ent, p_fw_ret, true); 211 if (rc == ECORE_SUCCESS) 212 return ECORE_SUCCESS; 213 214 comp_done = (struct ecore_spq_comp_done *)p_ent->comp_cb.cookie; 215 if (comp_done->done == 1) { 216 if (p_fw_ret) 217 *p_fw_ret = comp_done->fw_return_code; 218 return ECORE_SUCCESS; 219 } 220 err: 221 DP_NOTICE(p_hwfn, true, 222 "Ramrod is stuck [CID %08x cmd %02x protocol %02x echo %04x]\n", 223 OSAL_LE32_TO_CPU(p_ent->elem.hdr.cid), 224 p_ent->elem.hdr.cmd_id, p_ent->elem.hdr.protocol_id, 225 OSAL_LE16_TO_CPU(p_ent->elem.hdr.echo)); 226 227 ecore_hw_err_notify(p_hwfn, ECORE_HW_ERR_RAMROD_FAIL); 228 229 return ECORE_BUSY; 230 } 231 232 /*************************************************************************** 233 * SPQ entries inner API 234 ***************************************************************************/ 235 static enum _ecore_status_t ecore_spq_fill_entry(struct ecore_hwfn *p_hwfn, 236 struct ecore_spq_entry *p_ent) 237 { 238 p_ent->flags = 0; 239 240 switch (p_ent->comp_mode) { 241 case ECORE_SPQ_MODE_EBLOCK: 242 case ECORE_SPQ_MODE_BLOCK: 243 p_ent->comp_cb.function = ecore_spq_blocking_cb; 244 break; 245 case ECORE_SPQ_MODE_CB: 246 break; 247 default: 248 DP_NOTICE(p_hwfn, true, "Unknown SPQE completion mode %d\n", 249 p_ent->comp_mode); 250 return ECORE_INVAL; 251 } 252 253 DP_VERBOSE(p_hwfn, ECORE_MSG_SPQ, 254 "Ramrod header: [CID 0x%08x CMD 0x%02x protocol 0x%02x] Data pointer: [%08x:%08x] Completion Mode: %s\n", 255 p_ent->elem.hdr.cid, p_ent->elem.hdr.cmd_id, 256 p_ent->elem.hdr.protocol_id, 257 p_ent->elem.data_ptr.hi, p_ent->elem.data_ptr.lo, 258 D_TRINE(p_ent->comp_mode, ECORE_SPQ_MODE_EBLOCK, 259 ECORE_SPQ_MODE_BLOCK, "MODE_EBLOCK", "MODE_BLOCK", 260 "MODE_CB")); 261 262 return ECORE_SUCCESS; 263 } 264 265 /*************************************************************************** 266 * HSI access 267 ***************************************************************************/ 268 static void ecore_spq_hw_initialize(struct ecore_hwfn *p_hwfn, 269 struct ecore_spq *p_spq) 270 { 271 struct e4_core_conn_context *p_cxt; 272 struct ecore_cxt_info cxt_info; 273 u16 physical_q; 274 enum _ecore_status_t rc; 275 276 cxt_info.iid = p_spq->cid; 277 278 rc = ecore_cxt_get_cid_info(p_hwfn, &cxt_info); 279 280 if (rc < 0) { 281 DP_NOTICE(p_hwfn, true, "Cannot find context info for cid=%d\n", 282 p_spq->cid); 283 return; 284 } 285 286 p_cxt = cxt_info.p_cxt; 287 288 /* @@@TBD we zero the context until we have ilt_reset implemented. */ 289 OSAL_MEM_ZERO(p_cxt, sizeof(*p_cxt)); 290 291 if (ECORE_IS_BB(p_hwfn->p_dev) || ECORE_IS_AH(p_hwfn->p_dev)) { 292 SET_FIELD(p_cxt->xstorm_ag_context.flags10, 293 E4_XSTORM_CORE_CONN_AG_CTX_DQ_CF_EN, 1); 294 SET_FIELD(p_cxt->xstorm_ag_context.flags1, 295 E4_XSTORM_CORE_CONN_AG_CTX_DQ_CF_ACTIVE, 1); 296 /*SET_FIELD(p_cxt->xstorm_ag_context.flags10, 297 E4_XSTORM_CORE_CONN_AG_CTX_SLOW_PATH_EN, 1);*/ 298 SET_FIELD(p_cxt->xstorm_ag_context.flags9, 299 E4_XSTORM_CORE_CONN_AG_CTX_CONSOLID_PROD_CF_EN, 1); 300 } else { /* E5 */ 301 ECORE_E5_MISSING_CODE; 302 } 303 304 /* CDU validation - FIXME currently disabled */ 305 306 /* QM physical queue */ 307 physical_q = ecore_get_cm_pq_idx(p_hwfn, PQ_FLAGS_LB); 308 p_cxt->xstorm_ag_context.physical_q0 = OSAL_CPU_TO_LE16(physical_q); 309 310 p_cxt->xstorm_st_context.spq_base_lo = 311 DMA_LO_LE(p_spq->chain.p_phys_addr); 312 p_cxt->xstorm_st_context.spq_base_hi = 313 DMA_HI_LE(p_spq->chain.p_phys_addr); 314 315 DMA_REGPAIR_LE(p_cxt->xstorm_st_context.consolid_base_addr, 316 p_hwfn->p_consq->chain.p_phys_addr); 317 } 318 319 static enum _ecore_status_t ecore_spq_hw_post(struct ecore_hwfn *p_hwfn, 320 struct ecore_spq *p_spq, 321 struct ecore_spq_entry *p_ent) 322 { 323 struct ecore_chain *p_chain = &p_hwfn->p_spq->chain; 324 struct core_db_data *p_db_data = &p_spq->db_data; 325 u16 echo = ecore_chain_get_prod_idx(p_chain); 326 struct slow_path_element *elem; 327 328 p_ent->elem.hdr.echo = OSAL_CPU_TO_LE16(echo); 329 elem = ecore_chain_produce(p_chain); 330 if (!elem) { 331 DP_NOTICE(p_hwfn, true, "Failed to produce from SPQ chain\n"); 332 return ECORE_INVAL; 333 } 334 335 *elem = p_ent->elem; /* Struct assignment */ 336 337 p_db_data->spq_prod = 338 OSAL_CPU_TO_LE16(ecore_chain_get_prod_idx(p_chain)); 339 340 /* Make sure the SPQE is updated before the doorbell */ 341 OSAL_WMB(p_hwfn->p_dev); 342 343 DOORBELL(p_hwfn, p_spq->db_addr_offset, *(u32 *)p_db_data); 344 345 /* Make sure doorbell was rung */ 346 OSAL_WMB(p_hwfn->p_dev); 347 348 DP_VERBOSE(p_hwfn, ECORE_MSG_SPQ, 349 "Doorbelled [0x%08x, CID 0x%08x] with Flags: %02x agg_params: %02x, prod: %04x\n", 350 p_spq->db_addr_offset, p_spq->cid, p_db_data->params, 351 p_db_data->agg_flags, ecore_chain_get_prod_idx(p_chain)); 352 353 return ECORE_SUCCESS; 354 } 355 356 /*************************************************************************** 357 * Asynchronous events 358 ***************************************************************************/ 359 360 static enum _ecore_status_t 361 ecore_async_event_completion(struct ecore_hwfn *p_hwfn, 362 struct event_ring_entry *p_eqe) 363 { 364 ecore_spq_async_comp_cb cb; 365 366 if (!p_hwfn->p_spq || (p_eqe->protocol_id >= MAX_PROTOCOL_TYPE)) { 367 return ECORE_INVAL; 368 } 369 370 cb = p_hwfn->p_spq->async_comp_cb[p_eqe->protocol_id]; 371 if (cb) { 372 return cb(p_hwfn, p_eqe->opcode, p_eqe->echo, 373 &p_eqe->data, p_eqe->fw_return_code); 374 } else { 375 DP_NOTICE(p_hwfn, 376 true, "Unknown Async completion for protocol: %d\n", 377 p_eqe->protocol_id); 378 return ECORE_INVAL; 379 } 380 } 381 382 enum _ecore_status_t 383 ecore_spq_register_async_cb(struct ecore_hwfn *p_hwfn, 384 enum protocol_type protocol_id, 385 ecore_spq_async_comp_cb cb) 386 { 387 if (!p_hwfn->p_spq || (protocol_id >= MAX_PROTOCOL_TYPE)) { 388 return ECORE_INVAL; 389 } 390 391 p_hwfn->p_spq->async_comp_cb[protocol_id] = cb; 392 return ECORE_SUCCESS; 393 } 394 395 void 396 ecore_spq_unregister_async_cb(struct ecore_hwfn *p_hwfn, 397 enum protocol_type protocol_id) 398 { 399 if (!p_hwfn->p_spq || (protocol_id >= MAX_PROTOCOL_TYPE)) { 400 return; 401 } 402 403 p_hwfn->p_spq->async_comp_cb[protocol_id] = OSAL_NULL; 404 } 405 406 /*************************************************************************** 407 * EQ API 408 ***************************************************************************/ 409 void ecore_eq_prod_update(struct ecore_hwfn *p_hwfn, 410 u16 prod) 411 { 412 u32 addr = GTT_BAR0_MAP_REG_USDM_RAM + 413 USTORM_EQE_CONS_OFFSET(p_hwfn->rel_pf_id); 414 415 REG_WR16(p_hwfn, addr, prod); 416 417 /* keep prod updates ordered */ 418 OSAL_MMIOWB(p_hwfn->p_dev); 419 } 420 421 enum _ecore_status_t ecore_eq_completion(struct ecore_hwfn *p_hwfn, 422 void *cookie) 423 424 { 425 struct ecore_eq *p_eq = cookie; 426 struct ecore_chain *p_chain = &p_eq->chain; 427 enum _ecore_status_t rc = 0; 428 429 /* take a snapshot of the FW consumer */ 430 u16 fw_cons_idx = OSAL_LE16_TO_CPU(*p_eq->p_fw_cons); 431 432 DP_VERBOSE(p_hwfn, ECORE_MSG_SPQ, "fw_cons_idx %x\n", fw_cons_idx); 433 434 /* Need to guarantee the fw_cons index we use points to a usuable 435 * element (to comply with our chain), so our macros would comply 436 */ 437 if ((fw_cons_idx & ecore_chain_get_usable_per_page(p_chain)) == 438 ecore_chain_get_usable_per_page(p_chain)) { 439 fw_cons_idx += ecore_chain_get_unusable_per_page(p_chain); 440 } 441 442 /* Complete current segment of eq entries */ 443 while (fw_cons_idx != ecore_chain_get_cons_idx(p_chain)) { 444 struct event_ring_entry *p_eqe = ecore_chain_consume(p_chain); 445 if (!p_eqe) { 446 rc = ECORE_INVAL; 447 break; 448 } 449 450 DP_VERBOSE(p_hwfn, 451 ECORE_MSG_SPQ, 452 "op %x prot %x res0 %x echo %x fwret %x flags %x\n", 453 p_eqe->opcode, /* Event Opcode */ 454 p_eqe->protocol_id, /* Event Protocol ID */ 455 p_eqe->reserved0, /* Reserved */ 456 OSAL_LE16_TO_CPU(p_eqe->echo),/* Echo value from 457 ramrod data on the host 458 */ 459 p_eqe->fw_return_code, /* FW return code for SP 460 ramrods 461 */ 462 p_eqe->flags); 463 #ifndef REMOVE_DBG 464 if (p_eqe->protocol_id == PROTOCOLID_ISCSI) 465 ecore_iscsi_eq_dump(p_hwfn, p_eqe); 466 #endif 467 468 if (GET_FIELD(p_eqe->flags, EVENT_RING_ENTRY_ASYNC)) { 469 if (ecore_async_event_completion(p_hwfn, p_eqe)) 470 rc = ECORE_INVAL; 471 } else if (ecore_spq_completion(p_hwfn, 472 p_eqe->echo, 473 p_eqe->fw_return_code, 474 &p_eqe->data)) { 475 rc = ECORE_INVAL; 476 } 477 478 ecore_chain_recycle_consumed(p_chain); 479 } 480 481 ecore_eq_prod_update(p_hwfn, ecore_chain_get_prod_idx(p_chain)); 482 483 /* Attempt to post pending requests */ 484 OSAL_SPIN_LOCK(&p_hwfn->p_spq->lock); 485 rc = ecore_spq_pend_post(p_hwfn); 486 OSAL_SPIN_UNLOCK(&p_hwfn->p_spq->lock); 487 488 return rc; 489 } 490 491 enum _ecore_status_t ecore_eq_alloc(struct ecore_hwfn *p_hwfn, u16 num_elem) 492 { 493 struct ecore_eq *p_eq; 494 495 /* Allocate EQ struct */ 496 p_eq = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL, sizeof(*p_eq)); 497 if (!p_eq) { 498 DP_NOTICE(p_hwfn, false, 499 "Failed to allocate `struct ecore_eq'\n"); 500 return ECORE_NOMEM; 501 } 502 503 /* Allocate and initialize EQ chain*/ 504 if (ecore_chain_alloc(p_hwfn->p_dev, 505 ECORE_CHAIN_USE_TO_PRODUCE, 506 ECORE_CHAIN_MODE_PBL, 507 ECORE_CHAIN_CNT_TYPE_U16, 508 num_elem, 509 sizeof(union event_ring_element), 510 &p_eq->chain, OSAL_NULL) != ECORE_SUCCESS) { 511 DP_NOTICE(p_hwfn, false, "Failed to allocate eq chain\n"); 512 goto eq_allocate_fail; 513 } 514 515 /* register EQ completion on the SP SB */ 516 ecore_int_register_cb(p_hwfn, ecore_eq_completion, 517 p_eq, &p_eq->eq_sb_index, &p_eq->p_fw_cons); 518 519 p_hwfn->p_eq = p_eq; 520 return ECORE_SUCCESS; 521 522 eq_allocate_fail: 523 OSAL_FREE(p_hwfn->p_dev, p_eq); 524 return ECORE_NOMEM; 525 } 526 527 void ecore_eq_setup(struct ecore_hwfn *p_hwfn) 528 { 529 ecore_chain_reset(&p_hwfn->p_eq->chain); 530 } 531 532 void ecore_eq_free(struct ecore_hwfn *p_hwfn) 533 { 534 if (!p_hwfn->p_eq) 535 return; 536 537 ecore_chain_free(p_hwfn->p_dev, &p_hwfn->p_eq->chain); 538 539 OSAL_FREE(p_hwfn->p_dev, p_hwfn->p_eq); 540 p_hwfn->p_eq = OSAL_NULL; 541 } 542 543 /*************************************************************************** 544 * CQE API - manipulate EQ functionallity 545 ***************************************************************************/ 546 static enum _ecore_status_t ecore_cqe_completion(struct ecore_hwfn *p_hwfn, 547 struct eth_slow_path_rx_cqe *cqe, 548 enum protocol_type protocol) 549 { 550 if (IS_VF(p_hwfn->p_dev)) 551 return OSAL_VF_CQE_COMPLETION(p_hwfn, cqe, protocol); 552 553 /* @@@tmp - it's possible we'll eventually want to handle some 554 * actual commands that can arrive here, but for now this is only 555 * used to complete the ramrod using the echo value on the cqe 556 */ 557 return ecore_spq_completion(p_hwfn, cqe->echo, 0, OSAL_NULL); 558 } 559 560 enum _ecore_status_t ecore_eth_cqe_completion(struct ecore_hwfn *p_hwfn, 561 struct eth_slow_path_rx_cqe *cqe) 562 { 563 enum _ecore_status_t rc; 564 565 rc = ecore_cqe_completion(p_hwfn, cqe, PROTOCOLID_ETH); 566 if (rc) { 567 DP_NOTICE(p_hwfn, true, 568 "Failed to handle RXQ CQE [cmd 0x%02x]\n", 569 cqe->ramrod_cmd_id); 570 } 571 572 return rc; 573 } 574 575 /*************************************************************************** 576 * Slow hwfn Queue (spq) 577 ***************************************************************************/ 578 void ecore_spq_setup(struct ecore_hwfn *p_hwfn) 579 { 580 struct ecore_spq *p_spq = p_hwfn->p_spq; 581 struct ecore_spq_entry *p_virt = OSAL_NULL; 582 struct core_db_data *p_db_data; 583 void OSAL_IOMEM *db_addr; 584 dma_addr_t p_phys = 0; 585 u32 i, capacity; 586 enum _ecore_status_t rc; 587 588 OSAL_LIST_INIT(&p_spq->pending); 589 OSAL_LIST_INIT(&p_spq->completion_pending); 590 OSAL_LIST_INIT(&p_spq->free_pool); 591 OSAL_LIST_INIT(&p_spq->unlimited_pending); 592 OSAL_SPIN_LOCK_INIT(&p_spq->lock); 593 594 /* SPQ empty pool */ 595 p_phys = p_spq->p_phys + OFFSETOF(struct ecore_spq_entry, ramrod); 596 p_virt = p_spq->p_virt; 597 598 capacity = ecore_chain_get_capacity(&p_spq->chain); 599 for (i = 0; i < capacity; i++) { 600 DMA_REGPAIR_LE(p_virt->elem.data_ptr, p_phys); 601 602 OSAL_LIST_PUSH_TAIL(&p_virt->list, &p_spq->free_pool); 603 604 p_virt++; 605 p_phys += sizeof(struct ecore_spq_entry); 606 } 607 608 /* Statistics */ 609 p_spq->normal_count = 0; 610 p_spq->comp_count = 0; 611 p_spq->comp_sent_count = 0; 612 p_spq->unlimited_pending_count = 0; 613 614 OSAL_MEM_ZERO(p_spq->p_comp_bitmap, 615 SPQ_COMP_BMAP_SIZE * sizeof(unsigned long)); 616 p_spq->comp_bitmap_idx = 0; 617 618 /* SPQ cid, cannot fail */ 619 ecore_cxt_acquire_cid(p_hwfn, PROTOCOLID_CORE, &p_spq->cid); 620 ecore_spq_hw_initialize(p_hwfn, p_spq); 621 622 /* reset the chain itself */ 623 ecore_chain_reset(&p_spq->chain); 624 625 /* Initialize the address/data of the SPQ doorbell */ 626 p_spq->db_addr_offset = DB_ADDR(p_spq->cid, DQ_DEMS_LEGACY); 627 p_db_data = &p_spq->db_data; 628 OSAL_MEM_ZERO(p_db_data, sizeof(*p_db_data)); 629 SET_FIELD(p_db_data->params, CORE_DB_DATA_DEST, DB_DEST_XCM); 630 SET_FIELD(p_db_data->params, CORE_DB_DATA_AGG_CMD, DB_AGG_CMD_MAX); 631 SET_FIELD(p_db_data->params, CORE_DB_DATA_AGG_VAL_SEL, 632 DQ_XCM_CORE_SPQ_PROD_CMD); 633 p_db_data->agg_flags = DQ_XCM_CORE_DQ_CF_CMD; 634 635 /* Register the SPQ doorbell with the doorbell recovery mechanism */ 636 db_addr = (void *)((u8 *)p_hwfn->doorbells + p_spq->db_addr_offset); 637 rc = ecore_db_recovery_add(p_hwfn->p_dev, db_addr, &p_spq->db_data, 638 DB_REC_WIDTH_32B, DB_REC_KERNEL); 639 if (rc != ECORE_SUCCESS) 640 DP_INFO(p_hwfn, 641 "Failed to register the SPQ doorbell with the doorbell recovery mechanism\n"); 642 } 643 644 enum _ecore_status_t ecore_spq_alloc(struct ecore_hwfn *p_hwfn) 645 { 646 struct ecore_spq_entry *p_virt = OSAL_NULL; 647 struct ecore_spq *p_spq = OSAL_NULL; 648 dma_addr_t p_phys = 0; 649 u32 capacity; 650 651 /* SPQ struct */ 652 p_spq = 653 OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL, sizeof(struct ecore_spq)); 654 if (!p_spq) { 655 DP_NOTICE(p_hwfn, false, "Failed to allocate `struct ecore_spq'\n"); 656 return ECORE_NOMEM; 657 } 658 659 /* SPQ ring */ 660 if (ecore_chain_alloc(p_hwfn->p_dev, 661 ECORE_CHAIN_USE_TO_PRODUCE, 662 ECORE_CHAIN_MODE_SINGLE, 663 ECORE_CHAIN_CNT_TYPE_U16, 664 0, /* N/A when the mode is SINGLE */ 665 sizeof(struct slow_path_element), 666 &p_spq->chain, OSAL_NULL)) { 667 DP_NOTICE(p_hwfn, false, "Failed to allocate spq chain\n"); 668 goto spq_allocate_fail; 669 } 670 671 /* allocate and fill the SPQ elements (incl. ramrod data list) */ 672 capacity = ecore_chain_get_capacity(&p_spq->chain); 673 p_virt = OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev, &p_phys, 674 capacity * 675 sizeof(struct ecore_spq_entry)); 676 if (!p_virt) { 677 goto spq_allocate_fail; 678 } 679 680 p_spq->p_virt = p_virt; 681 p_spq->p_phys = p_phys; 682 683 #ifdef CONFIG_ECORE_LOCK_ALLOC 684 if (OSAL_SPIN_LOCK_ALLOC(p_hwfn, &p_spq->lock)) 685 goto spq_allocate_fail; 686 #endif 687 688 p_hwfn->p_spq = p_spq; 689 return ECORE_SUCCESS; 690 691 spq_allocate_fail: 692 ecore_chain_free(p_hwfn->p_dev, &p_spq->chain); 693 OSAL_FREE(p_hwfn->p_dev, p_spq); 694 return ECORE_NOMEM; 695 } 696 697 void ecore_spq_free(struct ecore_hwfn *p_hwfn) 698 { 699 struct ecore_spq *p_spq = p_hwfn->p_spq; 700 void OSAL_IOMEM *db_addr; 701 u32 capacity; 702 703 if (!p_spq) 704 return; 705 706 /* Delete the SPQ doorbell from the doorbell recovery mechanism */ 707 db_addr = (void *)((u8 *)p_hwfn->doorbells + p_spq->db_addr_offset); 708 ecore_db_recovery_del(p_hwfn->p_dev, db_addr, &p_spq->db_data); 709 710 if (p_spq->p_virt) { 711 capacity = ecore_chain_get_capacity(&p_spq->chain); 712 OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev, 713 p_spq->p_virt, 714 p_spq->p_phys, 715 capacity * 716 sizeof(struct ecore_spq_entry)); 717 } 718 719 ecore_chain_free(p_hwfn->p_dev, &p_spq->chain); 720 #ifdef CONFIG_ECORE_LOCK_ALLOC 721 OSAL_SPIN_LOCK_DEALLOC(&p_spq->lock); 722 #endif 723 724 OSAL_FREE(p_hwfn->p_dev, p_spq); 725 p_hwfn->p_spq = OSAL_NULL; 726 } 727 728 enum _ecore_status_t ecore_spq_get_entry(struct ecore_hwfn *p_hwfn, 729 struct ecore_spq_entry **pp_ent) 730 { 731 struct ecore_spq *p_spq = p_hwfn->p_spq; 732 struct ecore_spq_entry *p_ent = OSAL_NULL; 733 enum _ecore_status_t rc = ECORE_SUCCESS; 734 735 OSAL_SPIN_LOCK(&p_spq->lock); 736 737 if (OSAL_LIST_IS_EMPTY(&p_spq->free_pool)) { 738 739 p_ent = OSAL_ZALLOC(p_hwfn->p_dev, GFP_ATOMIC, sizeof(*p_ent)); 740 if (!p_ent) { 741 DP_NOTICE(p_hwfn, false, "Failed to allocate an SPQ entry for a pending ramrod\n"); 742 rc = ECORE_NOMEM; 743 goto out_unlock; 744 } 745 p_ent->queue = &p_spq->unlimited_pending; 746 } else { 747 p_ent = OSAL_LIST_FIRST_ENTRY(&p_spq->free_pool, 748 struct ecore_spq_entry, 749 list); 750 OSAL_LIST_REMOVE_ENTRY(&p_ent->list, &p_spq->free_pool); 751 p_ent->queue = &p_spq->pending; 752 } 753 754 *pp_ent = p_ent; 755 756 out_unlock: 757 OSAL_SPIN_UNLOCK(&p_spq->lock); 758 return rc; 759 } 760 761 /* Locked variant; Should be called while the SPQ lock is taken */ 762 static void __ecore_spq_return_entry(struct ecore_hwfn *p_hwfn, 763 struct ecore_spq_entry *p_ent) 764 { 765 OSAL_LIST_PUSH_TAIL(&p_ent->list, &p_hwfn->p_spq->free_pool); 766 } 767 768 void ecore_spq_return_entry(struct ecore_hwfn *p_hwfn, 769 struct ecore_spq_entry *p_ent) 770 { 771 OSAL_SPIN_LOCK(&p_hwfn->p_spq->lock); 772 __ecore_spq_return_entry(p_hwfn, p_ent); 773 OSAL_SPIN_UNLOCK(&p_hwfn->p_spq->lock); 774 } 775 776 /** 777 * @brief ecore_spq_add_entry - adds a new entry to the pending 778 * list. Should be used while lock is being held. 779 * 780 * Addes an entry to the pending list is there is room (en empty 781 * element is avaliable in the free_pool), or else places the 782 * entry in the unlimited_pending pool. 783 * 784 * @param p_hwfn 785 * @param p_ent 786 * @param priority 787 * 788 * @return enum _ecore_status_t 789 */ 790 static enum _ecore_status_t ecore_spq_add_entry(struct ecore_hwfn *p_hwfn, 791 struct ecore_spq_entry *p_ent, 792 enum spq_priority priority) 793 { 794 struct ecore_spq *p_spq = p_hwfn->p_spq; 795 796 if (p_ent->queue == &p_spq->unlimited_pending) { 797 if (OSAL_LIST_IS_EMPTY(&p_spq->free_pool)) { 798 799 OSAL_LIST_PUSH_TAIL(&p_ent->list, 800 &p_spq->unlimited_pending); 801 p_spq->unlimited_pending_count++; 802 803 return ECORE_SUCCESS; 804 805 } else { 806 struct ecore_spq_entry *p_en2; 807 808 p_en2 = OSAL_LIST_FIRST_ENTRY(&p_spq->free_pool, 809 struct ecore_spq_entry, 810 list); 811 OSAL_LIST_REMOVE_ENTRY(&p_en2->list, &p_spq->free_pool); 812 813 /* Copy the ring element physical pointer to the new 814 * entry, since we are about to override the entire ring 815 * entry and don't want to lose the pointer. 816 */ 817 p_ent->elem.data_ptr = p_en2->elem.data_ptr; 818 819 *p_en2 = *p_ent; 820 821 /* EBLOCK responsible to free the allocated p_ent */ 822 if (p_ent->comp_mode != ECORE_SPQ_MODE_EBLOCK) 823 OSAL_FREE(p_hwfn->p_dev, p_ent); 824 825 p_ent = p_en2; 826 } 827 } 828 829 /* entry is to be placed in 'pending' queue */ 830 switch (priority) { 831 case ECORE_SPQ_PRIORITY_NORMAL: 832 OSAL_LIST_PUSH_TAIL(&p_ent->list, &p_spq->pending); 833 p_spq->normal_count++; 834 break; 835 case ECORE_SPQ_PRIORITY_HIGH: 836 OSAL_LIST_PUSH_HEAD(&p_ent->list, &p_spq->pending); 837 p_spq->high_count++; 838 break; 839 default: 840 return ECORE_INVAL; 841 } 842 843 return ECORE_SUCCESS; 844 } 845 846 /*************************************************************************** 847 * Accessor 848 ***************************************************************************/ 849 850 u32 ecore_spq_get_cid(struct ecore_hwfn *p_hwfn) 851 { 852 if (!p_hwfn->p_spq) { 853 return 0xffffffff; /* illegal */ 854 } 855 return p_hwfn->p_spq->cid; 856 } 857 858 /*************************************************************************** 859 * Posting new Ramrods 860 ***************************************************************************/ 861 862 static enum _ecore_status_t ecore_spq_post_list(struct ecore_hwfn *p_hwfn, 863 osal_list_t *head, 864 u32 keep_reserve) 865 { 866 struct ecore_spq *p_spq = p_hwfn->p_spq; 867 enum _ecore_status_t rc; 868 869 /* TODO - implementation might be wasteful; will always keep room 870 * for an additional high priority ramrod (even if one is already 871 * pending FW) 872 */ 873 while (ecore_chain_get_elem_left(&p_spq->chain) > keep_reserve && 874 !OSAL_LIST_IS_EMPTY(head)) { 875 struct ecore_spq_entry *p_ent = 876 OSAL_LIST_FIRST_ENTRY(head, struct ecore_spq_entry, list); 877 if (p_ent != OSAL_NULL) { 878 #if defined(_NTDDK_) 879 #pragma warning(suppress : 6011 28182) 880 #endif 881 OSAL_LIST_REMOVE_ENTRY(&p_ent->list, head); 882 OSAL_LIST_PUSH_TAIL(&p_ent->list, &p_spq->completion_pending); 883 p_spq->comp_sent_count++; 884 885 rc = ecore_spq_hw_post(p_hwfn, p_spq, p_ent); 886 if (rc) { 887 OSAL_LIST_REMOVE_ENTRY(&p_ent->list, 888 &p_spq->completion_pending); 889 __ecore_spq_return_entry(p_hwfn, p_ent); 890 return rc; 891 } 892 } 893 } 894 895 return ECORE_SUCCESS; 896 } 897 898 enum _ecore_status_t ecore_spq_pend_post(struct ecore_hwfn *p_hwfn) 899 { 900 struct ecore_spq *p_spq = p_hwfn->p_spq; 901 struct ecore_spq_entry *p_ent = OSAL_NULL; 902 903 while (!OSAL_LIST_IS_EMPTY(&p_spq->free_pool)) 904 { 905 if (OSAL_LIST_IS_EMPTY(&p_spq->unlimited_pending)) 906 break; 907 908 p_ent = OSAL_LIST_FIRST_ENTRY(&p_spq->unlimited_pending, 909 struct ecore_spq_entry, 910 list); 911 if (!p_ent) 912 return ECORE_INVAL; 913 914 #if defined(_NTDDK_) 915 #pragma warning(suppress : 6011) 916 #endif 917 OSAL_LIST_REMOVE_ENTRY(&p_ent->list, &p_spq->unlimited_pending); 918 919 ecore_spq_add_entry(p_hwfn, p_ent, p_ent->priority); 920 } 921 922 return ecore_spq_post_list(p_hwfn, &p_spq->pending, 923 SPQ_HIGH_PRI_RESERVE_DEFAULT); 924 } 925 926 enum _ecore_status_t ecore_spq_post(struct ecore_hwfn *p_hwfn, 927 struct ecore_spq_entry *p_ent, 928 u8 *fw_return_code) 929 { 930 enum _ecore_status_t rc = ECORE_SUCCESS; 931 struct ecore_spq *p_spq = p_hwfn ? p_hwfn->p_spq : OSAL_NULL; 932 bool b_ret_ent = true; 933 934 if (!p_hwfn) 935 return ECORE_INVAL; 936 937 if (!p_ent) { 938 DP_NOTICE(p_hwfn, true, "Got a NULL pointer\n"); 939 return ECORE_INVAL; 940 } 941 942 if (p_hwfn->p_dev->recov_in_prog) { 943 DP_VERBOSE(p_hwfn, ECORE_MSG_SPQ, 944 "Recovery is in progress -> skip spq post [cmd %02x protocol %02x]\n", 945 p_ent->elem.hdr.cmd_id, p_ent->elem.hdr.protocol_id); 946 /* Return success to let the flows to be completed successfully 947 * w/o any error handling. 948 */ 949 return ECORE_SUCCESS; 950 } 951 952 OSAL_SPIN_LOCK(&p_spq->lock); 953 954 /* Complete the entry */ 955 rc = ecore_spq_fill_entry(p_hwfn, p_ent); 956 957 /* Check return value after LOCK is taken for cleaner error flow */ 958 if (rc) 959 goto spq_post_fail; 960 961 /* Add the request to the pending queue */ 962 rc = ecore_spq_add_entry(p_hwfn, p_ent, p_ent->priority); 963 if (rc) 964 goto spq_post_fail; 965 966 rc = ecore_spq_pend_post(p_hwfn); 967 if (rc) { 968 /* Since it's possible that pending failed for a different 969 * entry [although unlikely], the failed entry was already 970 * dealt with; No need to return it here. 971 */ 972 b_ret_ent = false; 973 goto spq_post_fail; 974 } 975 976 OSAL_SPIN_UNLOCK(&p_spq->lock); 977 978 if (p_ent->comp_mode == ECORE_SPQ_MODE_EBLOCK) { 979 /* For entries in ECORE BLOCK mode, the completion code cannot 980 * perform the necessary cleanup - if it did, we couldn't 981 * access p_ent here to see whether it's successful or not. 982 * Thus, after gaining the answer perform the cleanup here. 983 */ 984 rc = ecore_spq_block(p_hwfn, p_ent, fw_return_code, 985 p_ent->queue == &p_spq->unlimited_pending); 986 987 if (p_ent->queue == &p_spq->unlimited_pending) { 988 /* This is an allocated p_ent which does not need to 989 * return to pool. 990 */ 991 OSAL_FREE(p_hwfn->p_dev, p_ent); 992 993 /* TBD: handle error flow and remove p_ent from 994 * completion pending 995 */ 996 return rc; 997 } 998 999 if (rc) 1000 goto spq_post_fail2; 1001 1002 /* return to pool */ 1003 ecore_spq_return_entry(p_hwfn, p_ent); 1004 } 1005 return rc; 1006 1007 spq_post_fail2: 1008 OSAL_SPIN_LOCK(&p_spq->lock); 1009 OSAL_LIST_REMOVE_ENTRY(&p_ent->list, &p_spq->completion_pending); 1010 ecore_chain_return_produced(&p_spq->chain); 1011 1012 spq_post_fail: 1013 /* return to the free pool */ 1014 if (b_ret_ent) 1015 __ecore_spq_return_entry(p_hwfn, p_ent); 1016 OSAL_SPIN_UNLOCK(&p_spq->lock); 1017 1018 return rc; 1019 } 1020 1021 enum _ecore_status_t ecore_spq_completion(struct ecore_hwfn *p_hwfn, 1022 __le16 echo, 1023 u8 fw_return_code, 1024 union event_ring_data *p_data) 1025 { 1026 struct ecore_spq *p_spq; 1027 struct ecore_spq_entry *p_ent = OSAL_NULL; 1028 struct ecore_spq_entry *tmp; 1029 struct ecore_spq_entry *found = OSAL_NULL; 1030 1031 if (!p_hwfn) { 1032 return ECORE_INVAL; 1033 } 1034 1035 p_spq = p_hwfn->p_spq; 1036 if (!p_spq) { 1037 return ECORE_INVAL; 1038 } 1039 1040 OSAL_SPIN_LOCK(&p_spq->lock); 1041 OSAL_LIST_FOR_EACH_ENTRY_SAFE(p_ent, 1042 tmp, 1043 &p_spq->completion_pending, 1044 list, 1045 struct ecore_spq_entry) { 1046 1047 if (p_ent->elem.hdr.echo == echo) { 1048 OSAL_LIST_REMOVE_ENTRY(&p_ent->list, 1049 &p_spq->completion_pending); 1050 1051 /* Avoid overriding of SPQ entries when getting 1052 * out-of-order completions, by marking the completions 1053 * in a bitmap and increasing the chain consumer only 1054 * for the first successive completed entries. 1055 */ 1056 SPQ_COMP_BMAP_SET_BIT(p_spq, echo); 1057 while (SPQ_COMP_BMAP_TEST_BIT(p_spq, 1058 p_spq->comp_bitmap_idx)) { 1059 SPQ_COMP_BMAP_CLEAR_BIT(p_spq, 1060 p_spq->comp_bitmap_idx); 1061 p_spq->comp_bitmap_idx++; 1062 ecore_chain_return_produced(&p_spq->chain); 1063 } 1064 1065 p_spq->comp_count++; 1066 found = p_ent; 1067 break; 1068 } 1069 1070 /* This is debug and should be relatively uncommon - depends 1071 * on scenarios which have mutliple per-PF sent ramrods. 1072 */ 1073 DP_VERBOSE(p_hwfn, ECORE_MSG_SPQ, 1074 "Got completion for echo %04x - doesn't match echo %04x in completion pending list\n", 1075 OSAL_LE16_TO_CPU(echo), 1076 OSAL_LE16_TO_CPU(p_ent->elem.hdr.echo)); 1077 } 1078 1079 /* Release lock before callback, as callback may post 1080 * an additional ramrod. 1081 */ 1082 OSAL_SPIN_UNLOCK(&p_spq->lock); 1083 1084 if (!found) { 1085 DP_NOTICE(p_hwfn, true, 1086 "Failed to find an entry this EQE [echo %04x] completes\n", 1087 OSAL_LE16_TO_CPU(echo)); 1088 return ECORE_EXISTS; 1089 } 1090 1091 DP_VERBOSE(p_hwfn, ECORE_MSG_SPQ, 1092 "Complete EQE [echo %04x]: func %p cookie %p)\n", 1093 OSAL_LE16_TO_CPU(echo), 1094 p_ent->comp_cb.function, p_ent->comp_cb.cookie); 1095 if (found->comp_cb.function) 1096 found->comp_cb.function(p_hwfn, found->comp_cb.cookie, p_data, 1097 fw_return_code); 1098 else 1099 DP_VERBOSE(p_hwfn, ECORE_MSG_SPQ, "Got a completion without a callback function\n"); 1100 1101 if ((found->comp_mode != ECORE_SPQ_MODE_EBLOCK) || 1102 (found->queue == &p_spq->unlimited_pending)) 1103 /* EBLOCK is responsible for returning its own entry into the 1104 * free list, unless it originally added the entry into the 1105 * unlimited pending list. 1106 */ 1107 ecore_spq_return_entry(p_hwfn, found); 1108 1109 return ECORE_SUCCESS; 1110 } 1111 1112 enum _ecore_status_t ecore_consq_alloc(struct ecore_hwfn *p_hwfn) 1113 { 1114 struct ecore_consq *p_consq; 1115 1116 /* Allocate ConsQ struct */ 1117 p_consq = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL, sizeof(*p_consq)); 1118 if (!p_consq) { 1119 DP_NOTICE(p_hwfn, false, 1120 "Failed to allocate `struct ecore_consq'\n"); 1121 return ECORE_NOMEM; 1122 } 1123 1124 /* Allocate and initialize EQ chain*/ 1125 if (ecore_chain_alloc(p_hwfn->p_dev, 1126 ECORE_CHAIN_USE_TO_PRODUCE, 1127 ECORE_CHAIN_MODE_PBL, 1128 ECORE_CHAIN_CNT_TYPE_U16, 1129 ECORE_CHAIN_PAGE_SIZE/0x80, 1130 0x80, 1131 &p_consq->chain, OSAL_NULL) != ECORE_SUCCESS) { 1132 DP_NOTICE(p_hwfn, false, "Failed to allocate consq chain"); 1133 goto consq_allocate_fail; 1134 } 1135 1136 p_hwfn->p_consq = p_consq; 1137 return ECORE_SUCCESS; 1138 1139 consq_allocate_fail: 1140 OSAL_FREE(p_hwfn->p_dev, p_consq); 1141 return ECORE_NOMEM; 1142 } 1143 1144 void ecore_consq_setup(struct ecore_hwfn *p_hwfn) 1145 { 1146 ecore_chain_reset(&p_hwfn->p_consq->chain); 1147 } 1148 1149 void ecore_consq_free(struct ecore_hwfn *p_hwfn) 1150 { 1151 if (!p_hwfn->p_consq) 1152 return; 1153 1154 ecore_chain_free(p_hwfn->p_dev, &p_hwfn->p_consq->chain); 1155 1156 OSAL_FREE(p_hwfn->p_dev, p_hwfn->p_consq); 1157 p_hwfn->p_consq = OSAL_NULL; 1158 } 1159 1160 #ifdef _NTDDK_ 1161 #pragma warning(pop) 1162 #endif 1163