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