/* * Broadcom NetXtreme-E RoCE driver. * * Copyright (c) 2016 - 2017, Broadcom. All rights reserved. The term * Broadcom refers to Broadcom Limited and/or its subsidiaries. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * BSD license below: * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Description: Fast Path Operators (header) */ #ifndef __BNXT_QPLIB_FP_H__ #define __BNXT_QPLIB_FP_H__ #include <rdma/bnxt_re-abi.h> /* Few helper structures temporarily defined here * should get rid of these when roce_hsi.h is updated * in original code base */ struct sq_ud_ext_hdr { … }; struct sq_raw_ext_hdr { … }; struct sq_rdma_ext_hdr { … }; struct sq_atomic_ext_hdr { … }; struct sq_fr_pmr_ext_hdr { … }; struct sq_bind_ext_hdr { … }; struct rq_ext_hdr { … }; /* Helper structures end */ struct bnxt_qplib_srq { … }; struct bnxt_qplib_sge { … }; #define BNXT_QPLIB_QP_MAX_SGL … struct bnxt_qplib_swq { … }; struct bnxt_qplib_swqe { … }; struct bnxt_qplib_q { … }; struct bnxt_qplib_qp { … }; #define BNXT_QPLIB_MAX_CQE_ENTRY_SIZE … #define CQE_CNT_PER_PG … #define CQE_MAX_IDX_PER_PG … #define CQE_PG(x) … #define CQE_IDX(x) … #define ROCE_CQE_CMP_V … #define CQE_CMP_VALID(hdr, pass) … static inline u32 __bnxt_qplib_get_avail(struct bnxt_qplib_hwq *hwq) { … } static inline bool bnxt_qplib_queue_full(struct bnxt_qplib_q *que, u8 slots) { … } struct bnxt_qplib_cqe { … }; #define BNXT_QPLIB_QUEUE_START_PERIOD … struct bnxt_qplib_cq { … }; #define BNXT_QPLIB_MAX_IRRQE_ENTRY_SIZE … #define BNXT_QPLIB_MAX_ORRQE_ENTRY_SIZE … #define IRD_LIMIT_TO_IRRQ_SLOTS(x) … #define IRRQ_SLOTS_TO_IRD_LIMIT(s) … #define ORD_LIMIT_TO_ORRQ_SLOTS(x) … #define ORRQ_SLOTS_TO_ORD_LIMIT(s) … #define BNXT_QPLIB_MAX_NQE_ENTRY_SIZE … #define NQE_CNT_PER_PG … #define NQE_MAX_IDX_PER_PG … #define NQE_PG(x) … #define NQE_IDX(x) … #define NQE_CMP_VALID(hdr, pass) … #define BNXT_QPLIB_NQE_MAX_CNT … #define NQ_CONS_PCI_BAR_REGION … #define NQ_DB_KEY_CP … #define NQ_DB_IDX_VALID … #define NQ_DB_IRQ_DIS … #define NQ_DB_CP_FLAGS_REARM … #define NQ_DB_CP_FLAGS … struct bnxt_qplib_nq_db { … }; cqn_handler_t; srqn_handler_t; struct bnxt_qplib_nq { … }; struct bnxt_qplib_nq_work { … }; void bnxt_qplib_nq_stop_irq(struct bnxt_qplib_nq *nq, bool kill); void bnxt_qplib_disable_nq(struct bnxt_qplib_nq *nq); int bnxt_qplib_nq_start_irq(struct bnxt_qplib_nq *nq, int nq_indx, int msix_vector, bool need_init); int bnxt_qplib_enable_nq(struct pci_dev *pdev, struct bnxt_qplib_nq *nq, int nq_idx, int msix_vector, int bar_reg_offset, cqn_handler_t cqn_handler, srqn_handler_t srq_handler); int bnxt_qplib_create_srq(struct bnxt_qplib_res *res, struct bnxt_qplib_srq *srq); int bnxt_qplib_modify_srq(struct bnxt_qplib_res *res, struct bnxt_qplib_srq *srq); int bnxt_qplib_query_srq(struct bnxt_qplib_res *res, struct bnxt_qplib_srq *srq); void bnxt_qplib_destroy_srq(struct bnxt_qplib_res *res, struct bnxt_qplib_srq *srq); int bnxt_qplib_post_srq_recv(struct bnxt_qplib_srq *srq, struct bnxt_qplib_swqe *wqe); int bnxt_qplib_create_qp1(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp); int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp); int bnxt_qplib_modify_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp); int bnxt_qplib_query_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp); int bnxt_qplib_destroy_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp); void bnxt_qplib_clean_qp(struct bnxt_qplib_qp *qp); void bnxt_qplib_free_qp_res(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp); void *bnxt_qplib_get_qp1_sq_buf(struct bnxt_qplib_qp *qp, struct bnxt_qplib_sge *sge); void *bnxt_qplib_get_qp1_rq_buf(struct bnxt_qplib_qp *qp, struct bnxt_qplib_sge *sge); u32 bnxt_qplib_get_rq_prod_index(struct bnxt_qplib_qp *qp); dma_addr_t bnxt_qplib_get_qp_buf_from_index(struct bnxt_qplib_qp *qp, u32 index); void bnxt_qplib_post_send_db(struct bnxt_qplib_qp *qp); int bnxt_qplib_post_send(struct bnxt_qplib_qp *qp, struct bnxt_qplib_swqe *wqe); void bnxt_qplib_post_recv_db(struct bnxt_qplib_qp *qp); int bnxt_qplib_post_recv(struct bnxt_qplib_qp *qp, struct bnxt_qplib_swqe *wqe); int bnxt_qplib_create_cq(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq); int bnxt_qplib_resize_cq(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq, int new_cqes); void bnxt_qplib_resize_cq_complete(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq); int bnxt_qplib_destroy_cq(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq); int bnxt_qplib_poll_cq(struct bnxt_qplib_cq *cq, struct bnxt_qplib_cqe *cqe, int num, struct bnxt_qplib_qp **qp); bool bnxt_qplib_is_cq_empty(struct bnxt_qplib_cq *cq); void bnxt_qplib_req_notify_cq(struct bnxt_qplib_cq *cq, u32 arm_type); void bnxt_qplib_free_nq(struct bnxt_qplib_nq *nq); int bnxt_qplib_alloc_nq(struct bnxt_qplib_res *res, struct bnxt_qplib_nq *nq); void bnxt_qplib_add_flush_qp(struct bnxt_qplib_qp *qp); void bnxt_qplib_acquire_cq_locks(struct bnxt_qplib_qp *qp, unsigned long *flags); void bnxt_qplib_release_cq_locks(struct bnxt_qplib_qp *qp, unsigned long *flags); int bnxt_qplib_process_flush_list(struct bnxt_qplib_cq *cq, struct bnxt_qplib_cqe *cqe, int num_cqes); void bnxt_qplib_flush_cqn_wq(struct bnxt_qplib_qp *qp); void bnxt_re_synchronize_nq(struct bnxt_qplib_nq *nq); static inline void *bnxt_qplib_get_swqe(struct bnxt_qplib_q *que, u32 *swq_idx) { … } static inline void bnxt_qplib_swq_mod_start(struct bnxt_qplib_q *que, u32 idx) { … } static inline u32 bnxt_qplib_get_depth(struct bnxt_qplib_q *que) { … } static inline u32 bnxt_qplib_set_sq_size(struct bnxt_qplib_q *que, u8 wqe_mode) { … } static inline u32 bnxt_qplib_set_sq_max_slot(u8 wqe_mode) { … } static inline u32 bnxt_qplib_set_rq_max_slot(u32 wqe_size) { … } static inline u16 __xlate_qfd(u16 delta, u16 wqe_bytes) { … } static inline u16 bnxt_qplib_calc_ilsize(struct bnxt_qplib_swqe *wqe, u16 max) { … } /* MSN table update inlin */ static inline __le64 bnxt_re_update_msn_tbl(u32 st_idx, u32 npsn, u32 start_psn) { … } #endif /* __BNXT_QPLIB_FP_H__ */
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