1 /* 2 * Broadcom NetXtreme-E RoCE driver. 3 * 4 * Copyright (c) 2016 - 2017, Broadcom. All rights reserved. The term 5 * Broadcom refers to Broadcom Limited and/or its subsidiaries. 6 * 7 * This software is available to you under a choice of one of two 8 * licenses. You may choose to be licensed under the terms of the GNU 9 * General Public License (GPL) Version 2, available from the file 10 * COPYING in the main directory of this source tree, or the 11 * BSD license below: 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 2. Redistributions in binary form must reproduce the above copyright 20 * notice, this list of conditions and the following disclaimer in 21 * the documentation and/or other materials provided with the 22 * distribution. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 26 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 27 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS 28 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 31 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 32 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 33 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 34 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35 * 36 * Description: Fast Path Operators (header) 37 */ 38 39 #ifndef __BNXT_QPLIB_FP_H__ 40 #define __BNXT_QPLIB_FP_H__ 41 42 struct bnxt_qplib_srq { 43 struct bnxt_qplib_pd *pd; 44 struct bnxt_qplib_dpi *dpi; 45 struct bnxt_qplib_db_info dbinfo; 46 u64 srq_handle; 47 u32 id; 48 u32 max_wqe; 49 u32 max_sge; 50 u32 threshold; 51 bool arm_req; 52 struct bnxt_qplib_cq *cq; 53 struct bnxt_qplib_hwq hwq; 54 struct bnxt_qplib_swq *swq; 55 int start_idx; 56 int last_idx; 57 struct bnxt_qplib_sg_info sg_info; 58 u16 eventq_hw_ring_id; 59 spinlock_t lock; /* protect SRQE link list */ 60 }; 61 62 struct bnxt_qplib_sge { 63 u64 addr; 64 u32 lkey; 65 u32 size; 66 }; 67 68 #define BNXT_QPLIB_MAX_SQE_ENTRY_SIZE sizeof(struct sq_send) 69 70 #define SQE_CNT_PER_PG (PAGE_SIZE / BNXT_QPLIB_MAX_SQE_ENTRY_SIZE) 71 #define SQE_MAX_IDX_PER_PG (SQE_CNT_PER_PG - 1) 72 73 static inline u32 get_sqe_pg(u32 val) 74 { 75 return ((val & ~SQE_MAX_IDX_PER_PG) / SQE_CNT_PER_PG); 76 } 77 78 static inline u32 get_sqe_idx(u32 val) 79 { 80 return (val & SQE_MAX_IDX_PER_PG); 81 } 82 83 #define BNXT_QPLIB_MAX_PSNE_ENTRY_SIZE sizeof(struct sq_psn_search) 84 85 #define PSNE_CNT_PER_PG (PAGE_SIZE / BNXT_QPLIB_MAX_PSNE_ENTRY_SIZE) 86 #define PSNE_MAX_IDX_PER_PG (PSNE_CNT_PER_PG - 1) 87 88 static inline u32 get_psne_pg(u32 val) 89 { 90 return ((val & ~PSNE_MAX_IDX_PER_PG) / PSNE_CNT_PER_PG); 91 } 92 93 static inline u32 get_psne_idx(u32 val) 94 { 95 return (val & PSNE_MAX_IDX_PER_PG); 96 } 97 98 #define BNXT_QPLIB_QP_MAX_SGL 6 99 100 struct bnxt_qplib_swq { 101 u64 wr_id; 102 int next_idx; 103 u8 type; 104 u8 flags; 105 u32 start_psn; 106 u32 next_psn; 107 struct sq_psn_search *psn_search; 108 struct sq_psn_search_ext *psn_ext; 109 }; 110 111 struct bnxt_qplib_swqe { 112 /* General */ 113 #define BNXT_QPLIB_FENCE_WRID 0x46454E43 /* "FENC" */ 114 u64 wr_id; 115 u8 reqs_type; 116 u8 type; 117 #define BNXT_QPLIB_SWQE_TYPE_SEND 0 118 #define BNXT_QPLIB_SWQE_TYPE_SEND_WITH_IMM 1 119 #define BNXT_QPLIB_SWQE_TYPE_SEND_WITH_INV 2 120 #define BNXT_QPLIB_SWQE_TYPE_RDMA_WRITE 4 121 #define BNXT_QPLIB_SWQE_TYPE_RDMA_WRITE_WITH_IMM 5 122 #define BNXT_QPLIB_SWQE_TYPE_RDMA_READ 6 123 #define BNXT_QPLIB_SWQE_TYPE_ATOMIC_CMP_AND_SWP 8 124 #define BNXT_QPLIB_SWQE_TYPE_ATOMIC_FETCH_AND_ADD 11 125 #define BNXT_QPLIB_SWQE_TYPE_LOCAL_INV 12 126 #define BNXT_QPLIB_SWQE_TYPE_FAST_REG_MR 13 127 #define BNXT_QPLIB_SWQE_TYPE_REG_MR 13 128 #define BNXT_QPLIB_SWQE_TYPE_BIND_MW 14 129 #define BNXT_QPLIB_SWQE_TYPE_RECV 128 130 #define BNXT_QPLIB_SWQE_TYPE_RECV_RDMA_IMM 129 131 u8 flags; 132 #define BNXT_QPLIB_SWQE_FLAGS_SIGNAL_COMP BIT(0) 133 #define BNXT_QPLIB_SWQE_FLAGS_RD_ATOMIC_FENCE BIT(1) 134 #define BNXT_QPLIB_SWQE_FLAGS_UC_FENCE BIT(2) 135 #define BNXT_QPLIB_SWQE_FLAGS_SOLICIT_EVENT BIT(3) 136 #define BNXT_QPLIB_SWQE_FLAGS_INLINE BIT(4) 137 struct bnxt_qplib_sge sg_list[BNXT_QPLIB_QP_MAX_SGL]; 138 int num_sge; 139 /* Max inline data is 96 bytes */ 140 u32 inline_len; 141 #define BNXT_QPLIB_SWQE_MAX_INLINE_LENGTH 96 142 u8 inline_data[BNXT_QPLIB_SWQE_MAX_INLINE_LENGTH]; 143 144 union { 145 /* Send, with imm, inval key */ 146 struct { 147 union { 148 __be32 imm_data; 149 u32 inv_key; 150 }; 151 u32 q_key; 152 u32 dst_qp; 153 u16 avid; 154 } send; 155 156 /* Send Raw Ethernet and QP1 */ 157 struct { 158 u16 lflags; 159 u16 cfa_action; 160 u32 cfa_meta; 161 } rawqp1; 162 163 /* RDMA write, with imm, read */ 164 struct { 165 union { 166 __be32 imm_data; 167 u32 inv_key; 168 }; 169 u64 remote_va; 170 u32 r_key; 171 } rdma; 172 173 /* Atomic cmp/swap, fetch/add */ 174 struct { 175 u64 remote_va; 176 u32 r_key; 177 u64 swap_data; 178 u64 cmp_data; 179 } atomic; 180 181 /* Local Invalidate */ 182 struct { 183 u32 inv_l_key; 184 } local_inv; 185 186 /* FR-PMR */ 187 struct { 188 u8 access_cntl; 189 u8 pg_sz_log; 190 bool zero_based; 191 u32 l_key; 192 u32 length; 193 u8 pbl_pg_sz_log; 194 #define BNXT_QPLIB_SWQE_PAGE_SIZE_4K 0 195 #define BNXT_QPLIB_SWQE_PAGE_SIZE_8K 1 196 #define BNXT_QPLIB_SWQE_PAGE_SIZE_64K 4 197 #define BNXT_QPLIB_SWQE_PAGE_SIZE_256K 6 198 #define BNXT_QPLIB_SWQE_PAGE_SIZE_1M 8 199 #define BNXT_QPLIB_SWQE_PAGE_SIZE_2M 9 200 #define BNXT_QPLIB_SWQE_PAGE_SIZE_4M 10 201 #define BNXT_QPLIB_SWQE_PAGE_SIZE_1G 18 202 u8 levels; 203 #define PAGE_SHIFT_4K 12 204 __le64 *pbl_ptr; 205 dma_addr_t pbl_dma_ptr; 206 u64 *page_list; 207 u16 page_list_len; 208 u64 va; 209 } frmr; 210 211 /* Bind */ 212 struct { 213 u8 access_cntl; 214 #define BNXT_QPLIB_BIND_SWQE_ACCESS_LOCAL_WRITE BIT(0) 215 #define BNXT_QPLIB_BIND_SWQE_ACCESS_REMOTE_READ BIT(1) 216 #define BNXT_QPLIB_BIND_SWQE_ACCESS_REMOTE_WRITE BIT(2) 217 #define BNXT_QPLIB_BIND_SWQE_ACCESS_REMOTE_ATOMIC BIT(3) 218 #define BNXT_QPLIB_BIND_SWQE_ACCESS_WINDOW_BIND BIT(4) 219 bool zero_based; 220 u8 mw_type; 221 u32 parent_l_key; 222 u32 r_key; 223 u64 va; 224 u32 length; 225 } bind; 226 }; 227 }; 228 229 #define BNXT_QPLIB_MAX_RQE_ENTRY_SIZE sizeof(struct rq_wqe) 230 231 #define RQE_CNT_PER_PG (PAGE_SIZE / BNXT_QPLIB_MAX_RQE_ENTRY_SIZE) 232 #define RQE_MAX_IDX_PER_PG (RQE_CNT_PER_PG - 1) 233 #define RQE_PG(x) (((x) & ~RQE_MAX_IDX_PER_PG) / RQE_CNT_PER_PG) 234 #define RQE_IDX(x) ((x) & RQE_MAX_IDX_PER_PG) 235 236 struct bnxt_qplib_q { 237 struct bnxt_qplib_hwq hwq; 238 struct bnxt_qplib_swq *swq; 239 struct bnxt_qplib_db_info dbinfo; 240 struct bnxt_qplib_sg_info sg_info; 241 u32 max_wqe; 242 u16 q_full_delta; 243 u16 max_sge; 244 u32 psn; 245 bool condition; 246 bool single; 247 bool send_phantom; 248 u32 phantom_wqe_cnt; 249 u32 phantom_cqe_cnt; 250 u32 next_cq_cons; 251 bool flushed; 252 }; 253 254 struct bnxt_qplib_qp { 255 struct bnxt_qplib_pd *pd; 256 struct bnxt_qplib_dpi *dpi; 257 struct bnxt_qplib_chip_ctx *cctx; 258 u64 qp_handle; 259 #define BNXT_QPLIB_QP_ID_INVALID 0xFFFFFFFF 260 u32 id; 261 u8 type; 262 u8 sig_type; 263 u32 modify_flags; 264 u8 state; 265 u8 cur_qp_state; 266 u32 max_inline_data; 267 u32 mtu; 268 u8 path_mtu; 269 bool en_sqd_async_notify; 270 u16 pkey_index; 271 u32 qkey; 272 u32 dest_qp_id; 273 u8 access; 274 u8 timeout; 275 u8 retry_cnt; 276 u8 rnr_retry; 277 u64 wqe_cnt; 278 u32 min_rnr_timer; 279 u32 max_rd_atomic; 280 u32 max_dest_rd_atomic; 281 u32 dest_qpn; 282 u8 smac[6]; 283 u16 vlan_id; 284 u8 nw_type; 285 struct bnxt_qplib_ah ah; 286 287 #define BTH_PSN_MASK ((1 << 24) - 1) 288 /* SQ */ 289 struct bnxt_qplib_q sq; 290 /* RQ */ 291 struct bnxt_qplib_q rq; 292 /* SRQ */ 293 struct bnxt_qplib_srq *srq; 294 /* CQ */ 295 struct bnxt_qplib_cq *scq; 296 struct bnxt_qplib_cq *rcq; 297 /* IRRQ and ORRQ */ 298 struct bnxt_qplib_hwq irrq; 299 struct bnxt_qplib_hwq orrq; 300 /* Header buffer for QP1 */ 301 int sq_hdr_buf_size; 302 int rq_hdr_buf_size; 303 /* 304 * Buffer space for ETH(14), IP or GRH(40), UDP header(8) 305 * and ib_bth + ib_deth (20). 306 * Max required is 82 when RoCE V2 is enabled 307 */ 308 #define BNXT_QPLIB_MAX_QP1_SQ_HDR_SIZE_V2 86 309 /* Ethernet header = 14 */ 310 /* ib_grh = 40 (provided by MAD) */ 311 /* ib_bth + ib_deth = 20 */ 312 /* MAD = 256 (provided by MAD) */ 313 /* iCRC = 4 */ 314 #define BNXT_QPLIB_MAX_QP1_RQ_ETH_HDR_SIZE 14 315 #define BNXT_QPLIB_MAX_QP1_RQ_HDR_SIZE_V2 512 316 #define BNXT_QPLIB_MAX_GRH_HDR_SIZE_IPV4 20 317 #define BNXT_QPLIB_MAX_GRH_HDR_SIZE_IPV6 40 318 #define BNXT_QPLIB_MAX_QP1_RQ_BDETH_HDR_SIZE 20 319 void *sq_hdr_buf; 320 dma_addr_t sq_hdr_buf_map; 321 void *rq_hdr_buf; 322 dma_addr_t rq_hdr_buf_map; 323 struct list_head sq_flush; 324 struct list_head rq_flush; 325 }; 326 327 #define BNXT_QPLIB_MAX_CQE_ENTRY_SIZE sizeof(struct cq_base) 328 329 #define CQE_CNT_PER_PG (PAGE_SIZE / BNXT_QPLIB_MAX_CQE_ENTRY_SIZE) 330 #define CQE_MAX_IDX_PER_PG (CQE_CNT_PER_PG - 1) 331 #define CQE_PG(x) (((x) & ~CQE_MAX_IDX_PER_PG) / CQE_CNT_PER_PG) 332 #define CQE_IDX(x) ((x) & CQE_MAX_IDX_PER_PG) 333 334 #define ROCE_CQE_CMP_V 0 335 #define CQE_CMP_VALID(hdr, raw_cons, cp_bit) \ 336 (!!((hdr)->cqe_type_toggle & CQ_BASE_TOGGLE) == \ 337 !((raw_cons) & (cp_bit))) 338 339 static inline bool bnxt_qplib_queue_full(struct bnxt_qplib_q *qplib_q) 340 { 341 return HWQ_CMP((qplib_q->hwq.prod + qplib_q->q_full_delta), 342 &qplib_q->hwq) == HWQ_CMP(qplib_q->hwq.cons, 343 &qplib_q->hwq); 344 } 345 346 struct bnxt_qplib_cqe { 347 u8 status; 348 u8 type; 349 u8 opcode; 350 u32 length; 351 u16 cfa_meta; 352 u64 wr_id; 353 union { 354 __be32 immdata; 355 u32 invrkey; 356 }; 357 u64 qp_handle; 358 u64 mr_handle; 359 u16 flags; 360 u8 smac[6]; 361 u32 src_qp; 362 u16 raweth_qp1_flags; 363 u16 raweth_qp1_errors; 364 u16 raweth_qp1_cfa_code; 365 u32 raweth_qp1_flags2; 366 u32 raweth_qp1_metadata; 367 u8 raweth_qp1_payload_offset; 368 u16 pkey_index; 369 }; 370 371 #define BNXT_QPLIB_QUEUE_START_PERIOD 0x01 372 struct bnxt_qplib_cq { 373 struct bnxt_qplib_dpi *dpi; 374 struct bnxt_qplib_db_info dbinfo; 375 u32 max_wqe; 376 u32 id; 377 u16 count; 378 u16 period; 379 struct bnxt_qplib_hwq hwq; 380 u32 cnq_hw_ring_id; 381 struct bnxt_qplib_nq *nq; 382 bool resize_in_progress; 383 struct bnxt_qplib_sg_info sg_info; 384 u64 cq_handle; 385 386 #define CQ_RESIZE_WAIT_TIME_MS 500 387 unsigned long flags; 388 #define CQ_FLAGS_RESIZE_IN_PROG 1 389 wait_queue_head_t waitq; 390 struct list_head sqf_head, rqf_head; 391 atomic_t arm_state; 392 spinlock_t compl_lock; /* synch CQ handlers */ 393 /* Locking Notes: 394 * QP can move to error state from modify_qp, async error event or error 395 * CQE as part of poll_cq. When QP is moved to error state, it gets added 396 * to two flush lists, one each for SQ and RQ. 397 * Each flush list is protected by qplib_cq->flush_lock. Both scq and rcq 398 * flush_locks should be acquired when QP is moved to error. The control path 399 * operations(modify_qp and async error events) are synchronized with poll_cq 400 * using upper level CQ locks (bnxt_re_cq->cq_lock) of both SCQ and RCQ. 401 * The qplib_cq->flush_lock is required to synchronize two instances of poll_cq 402 * of the same QP while manipulating the flush list. 403 */ 404 spinlock_t flush_lock; /* QP flush management */ 405 u16 cnq_events; 406 }; 407 408 #define BNXT_QPLIB_MAX_IRRQE_ENTRY_SIZE sizeof(struct xrrq_irrq) 409 #define BNXT_QPLIB_MAX_ORRQE_ENTRY_SIZE sizeof(struct xrrq_orrq) 410 #define IRD_LIMIT_TO_IRRQ_SLOTS(x) (2 * (x) + 2) 411 #define IRRQ_SLOTS_TO_IRD_LIMIT(s) (((s) >> 1) - 1) 412 #define ORD_LIMIT_TO_ORRQ_SLOTS(x) ((x) + 1) 413 #define ORRQ_SLOTS_TO_ORD_LIMIT(s) ((s) - 1) 414 415 #define BNXT_QPLIB_MAX_NQE_ENTRY_SIZE sizeof(struct nq_base) 416 417 #define NQE_CNT_PER_PG (PAGE_SIZE / BNXT_QPLIB_MAX_NQE_ENTRY_SIZE) 418 #define NQE_MAX_IDX_PER_PG (NQE_CNT_PER_PG - 1) 419 #define NQE_PG(x) (((x) & ~NQE_MAX_IDX_PER_PG) / NQE_CNT_PER_PG) 420 #define NQE_IDX(x) ((x) & NQE_MAX_IDX_PER_PG) 421 422 #define NQE_CMP_VALID(hdr, raw_cons, cp_bit) \ 423 (!!(le32_to_cpu((hdr)->info63_v[0]) & NQ_BASE_V) == \ 424 !((raw_cons) & (cp_bit))) 425 426 #define BNXT_QPLIB_NQE_MAX_CNT (128 * 1024) 427 428 #define NQ_CONS_PCI_BAR_REGION 2 429 #define NQ_DB_KEY_CP (0x2 << CMPL_DOORBELL_KEY_SFT) 430 #define NQ_DB_IDX_VALID CMPL_DOORBELL_IDX_VALID 431 #define NQ_DB_IRQ_DIS CMPL_DOORBELL_MASK 432 #define NQ_DB_CP_FLAGS_REARM (NQ_DB_KEY_CP | \ 433 NQ_DB_IDX_VALID) 434 #define NQ_DB_CP_FLAGS (NQ_DB_KEY_CP | \ 435 NQ_DB_IDX_VALID | \ 436 NQ_DB_IRQ_DIS) 437 438 struct bnxt_qplib_nq_db { 439 struct bnxt_qplib_reg_desc reg; 440 struct bnxt_qplib_db_info dbinfo; 441 }; 442 443 typedef int (*cqn_handler_t)(struct bnxt_qplib_nq *nq, 444 struct bnxt_qplib_cq *cq); 445 typedef int (*srqn_handler_t)(struct bnxt_qplib_nq *nq, 446 struct bnxt_qplib_srq *srq, u8 event); 447 448 struct bnxt_qplib_nq { 449 struct pci_dev *pdev; 450 struct bnxt_qplib_res *res; 451 char name[32]; 452 struct bnxt_qplib_hwq hwq; 453 struct bnxt_qplib_nq_db nq_db; 454 u16 ring_id; 455 int msix_vec; 456 cpumask_t mask; 457 struct tasklet_struct nq_tasklet; 458 bool requested; 459 int budget; 460 461 cqn_handler_t cqn_handler; 462 srqn_handler_t srqn_handler; 463 struct workqueue_struct *cqn_wq; 464 }; 465 466 struct bnxt_qplib_nq_work { 467 struct work_struct work; 468 struct bnxt_qplib_nq *nq; 469 struct bnxt_qplib_cq *cq; 470 }; 471 472 void bnxt_qplib_nq_stop_irq(struct bnxt_qplib_nq *nq, bool kill); 473 void bnxt_qplib_disable_nq(struct bnxt_qplib_nq *nq); 474 int bnxt_qplib_nq_start_irq(struct bnxt_qplib_nq *nq, int nq_indx, 475 int msix_vector, bool need_init); 476 int bnxt_qplib_enable_nq(struct pci_dev *pdev, struct bnxt_qplib_nq *nq, 477 int nq_idx, int msix_vector, int bar_reg_offset, 478 cqn_handler_t cqn_handler, 479 srqn_handler_t srq_handler); 480 int bnxt_qplib_create_srq(struct bnxt_qplib_res *res, 481 struct bnxt_qplib_srq *srq); 482 int bnxt_qplib_modify_srq(struct bnxt_qplib_res *res, 483 struct bnxt_qplib_srq *srq); 484 int bnxt_qplib_query_srq(struct bnxt_qplib_res *res, 485 struct bnxt_qplib_srq *srq); 486 void bnxt_qplib_destroy_srq(struct bnxt_qplib_res *res, 487 struct bnxt_qplib_srq *srq); 488 int bnxt_qplib_post_srq_recv(struct bnxt_qplib_srq *srq, 489 struct bnxt_qplib_swqe *wqe); 490 int bnxt_qplib_create_qp1(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp); 491 int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp); 492 int bnxt_qplib_modify_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp); 493 int bnxt_qplib_query_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp); 494 int bnxt_qplib_destroy_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp); 495 void bnxt_qplib_clean_qp(struct bnxt_qplib_qp *qp); 496 void bnxt_qplib_free_qp_res(struct bnxt_qplib_res *res, 497 struct bnxt_qplib_qp *qp); 498 void *bnxt_qplib_get_qp1_sq_buf(struct bnxt_qplib_qp *qp, 499 struct bnxt_qplib_sge *sge); 500 void *bnxt_qplib_get_qp1_rq_buf(struct bnxt_qplib_qp *qp, 501 struct bnxt_qplib_sge *sge); 502 u32 bnxt_qplib_get_rq_prod_index(struct bnxt_qplib_qp *qp); 503 dma_addr_t bnxt_qplib_get_qp_buf_from_index(struct bnxt_qplib_qp *qp, 504 u32 index); 505 void bnxt_qplib_post_send_db(struct bnxt_qplib_qp *qp); 506 int bnxt_qplib_post_send(struct bnxt_qplib_qp *qp, 507 struct bnxt_qplib_swqe *wqe); 508 void bnxt_qplib_post_recv_db(struct bnxt_qplib_qp *qp); 509 int bnxt_qplib_post_recv(struct bnxt_qplib_qp *qp, 510 struct bnxt_qplib_swqe *wqe); 511 int bnxt_qplib_create_cq(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq); 512 int bnxt_qplib_destroy_cq(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq); 513 int bnxt_qplib_poll_cq(struct bnxt_qplib_cq *cq, struct bnxt_qplib_cqe *cqe, 514 int num, struct bnxt_qplib_qp **qp); 515 bool bnxt_qplib_is_cq_empty(struct bnxt_qplib_cq *cq); 516 void bnxt_qplib_req_notify_cq(struct bnxt_qplib_cq *cq, u32 arm_type); 517 void bnxt_qplib_free_nq(struct bnxt_qplib_nq *nq); 518 int bnxt_qplib_alloc_nq(struct bnxt_qplib_res *res, struct bnxt_qplib_nq *nq); 519 void bnxt_qplib_add_flush_qp(struct bnxt_qplib_qp *qp); 520 void bnxt_qplib_acquire_cq_locks(struct bnxt_qplib_qp *qp, 521 unsigned long *flags); 522 void bnxt_qplib_release_cq_locks(struct bnxt_qplib_qp *qp, 523 unsigned long *flags); 524 int bnxt_qplib_process_flush_list(struct bnxt_qplib_cq *cq, 525 struct bnxt_qplib_cqe *cqe, 526 int num_cqes); 527 void bnxt_qplib_flush_cqn_wq(struct bnxt_qplib_qp *qp); 528 #endif /* __BNXT_QPLIB_FP_H__ */ 529