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218 lines
7.7 KiB
218 lines
7.7 KiB
/* |
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* Broadcom NetXtreme-E RoCE driver. |
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* |
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* Copyright (c) 2016 - 2017, Broadcom. All rights reserved. The term |
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* Broadcom refers to Broadcom Limited and/or its subsidiaries. |
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* |
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* This software is available to you under a choice of one of two |
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* licenses. You may choose to be licensed under the terms of the GNU |
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* General Public License (GPL) Version 2, available from the file |
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* COPYING in the main directory of this source tree, or the |
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* BSD license below: |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS |
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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* Description: IB Verbs interpreter (header) |
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*/ |
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#ifndef __BNXT_RE_IB_VERBS_H__ |
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#define __BNXT_RE_IB_VERBS_H__ |
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struct bnxt_re_gid_ctx { |
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u32 idx; |
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u32 refcnt; |
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}; |
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#define BNXT_RE_FENCE_BYTES 64 |
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struct bnxt_re_fence_data { |
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u32 size; |
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u8 va[BNXT_RE_FENCE_BYTES]; |
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dma_addr_t dma_addr; |
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struct bnxt_re_mr *mr; |
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struct ib_mw *mw; |
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struct bnxt_qplib_swqe bind_wqe; |
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u32 bind_rkey; |
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}; |
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struct bnxt_re_pd { |
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struct ib_pd ib_pd; |
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struct bnxt_re_dev *rdev; |
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struct bnxt_qplib_pd qplib_pd; |
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struct bnxt_re_fence_data fence; |
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}; |
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struct bnxt_re_ah { |
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struct ib_ah ib_ah; |
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struct bnxt_re_dev *rdev; |
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struct bnxt_qplib_ah qplib_ah; |
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}; |
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struct bnxt_re_srq { |
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struct ib_srq ib_srq; |
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struct bnxt_re_dev *rdev; |
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u32 srq_limit; |
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struct bnxt_qplib_srq qplib_srq; |
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struct ib_umem *umem; |
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spinlock_t lock; /* protect srq */ |
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}; |
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struct bnxt_re_qp { |
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struct list_head list; |
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struct bnxt_re_dev *rdev; |
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struct ib_qp ib_qp; |
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spinlock_t sq_lock; /* protect sq */ |
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spinlock_t rq_lock; /* protect rq */ |
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struct bnxt_qplib_qp qplib_qp; |
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struct ib_umem *sumem; |
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struct ib_umem *rumem; |
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/* QP1 */ |
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u32 send_psn; |
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struct ib_ud_header qp1_hdr; |
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struct bnxt_re_cq *scq; |
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struct bnxt_re_cq *rcq; |
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}; |
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struct bnxt_re_cq { |
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struct ib_cq ib_cq; |
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struct bnxt_re_dev *rdev; |
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spinlock_t cq_lock; /* protect cq */ |
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u16 cq_count; |
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u16 cq_period; |
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struct bnxt_qplib_cq qplib_cq; |
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struct bnxt_qplib_cqe *cql; |
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#define MAX_CQL_PER_POLL 1024 |
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u32 max_cql; |
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struct ib_umem *umem; |
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}; |
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struct bnxt_re_mr { |
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struct bnxt_re_dev *rdev; |
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struct ib_mr ib_mr; |
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struct ib_umem *ib_umem; |
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struct bnxt_qplib_mrw qplib_mr; |
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u32 npages; |
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u64 *pages; |
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struct bnxt_qplib_frpl qplib_frpl; |
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}; |
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struct bnxt_re_frpl { |
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struct bnxt_re_dev *rdev; |
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struct bnxt_qplib_frpl qplib_frpl; |
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u64 *page_list; |
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}; |
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struct bnxt_re_mw { |
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struct bnxt_re_dev *rdev; |
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struct ib_mw ib_mw; |
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struct bnxt_qplib_mrw qplib_mw; |
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}; |
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struct bnxt_re_ucontext { |
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struct ib_ucontext ib_uctx; |
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struct bnxt_re_dev *rdev; |
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struct bnxt_qplib_dpi dpi; |
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void *shpg; |
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spinlock_t sh_lock; /* protect shpg */ |
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}; |
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static inline u16 bnxt_re_get_swqe_size(int nsge) |
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{ |
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return sizeof(struct sq_send_hdr) + nsge * sizeof(struct sq_sge); |
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} |
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static inline u16 bnxt_re_get_rwqe_size(int nsge) |
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{ |
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return sizeof(struct rq_wqe_hdr) + (nsge * sizeof(struct sq_sge)); |
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} |
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int bnxt_re_query_device(struct ib_device *ibdev, |
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struct ib_device_attr *ib_attr, |
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struct ib_udata *udata); |
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int bnxt_re_query_port(struct ib_device *ibdev, u32 port_num, |
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struct ib_port_attr *port_attr); |
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int bnxt_re_get_port_immutable(struct ib_device *ibdev, u32 port_num, |
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struct ib_port_immutable *immutable); |
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void bnxt_re_query_fw_str(struct ib_device *ibdev, char *str); |
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int bnxt_re_query_pkey(struct ib_device *ibdev, u32 port_num, |
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u16 index, u16 *pkey); |
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int bnxt_re_del_gid(const struct ib_gid_attr *attr, void **context); |
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int bnxt_re_add_gid(const struct ib_gid_attr *attr, void **context); |
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int bnxt_re_query_gid(struct ib_device *ibdev, u32 port_num, |
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int index, union ib_gid *gid); |
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enum rdma_link_layer bnxt_re_get_link_layer(struct ib_device *ibdev, |
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u32 port_num); |
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int bnxt_re_alloc_pd(struct ib_pd *pd, struct ib_udata *udata); |
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int bnxt_re_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata); |
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int bnxt_re_create_ah(struct ib_ah *ah, struct rdma_ah_init_attr *init_attr, |
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struct ib_udata *udata); |
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int bnxt_re_modify_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr); |
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int bnxt_re_query_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr); |
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int bnxt_re_destroy_ah(struct ib_ah *ah, u32 flags); |
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int bnxt_re_create_srq(struct ib_srq *srq, |
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struct ib_srq_init_attr *srq_init_attr, |
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struct ib_udata *udata); |
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int bnxt_re_modify_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr, |
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enum ib_srq_attr_mask srq_attr_mask, |
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struct ib_udata *udata); |
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int bnxt_re_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); |
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int bnxt_re_destroy_srq(struct ib_srq *srq, struct ib_udata *udata); |
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int bnxt_re_post_srq_recv(struct ib_srq *srq, const struct ib_recv_wr *recv_wr, |
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const struct ib_recv_wr **bad_recv_wr); |
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struct ib_qp *bnxt_re_create_qp(struct ib_pd *pd, |
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struct ib_qp_init_attr *qp_init_attr, |
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struct ib_udata *udata); |
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int bnxt_re_modify_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr, |
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int qp_attr_mask, struct ib_udata *udata); |
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int bnxt_re_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr, |
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int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr); |
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int bnxt_re_destroy_qp(struct ib_qp *qp, struct ib_udata *udata); |
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int bnxt_re_post_send(struct ib_qp *qp, const struct ib_send_wr *send_wr, |
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const struct ib_send_wr **bad_send_wr); |
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int bnxt_re_post_recv(struct ib_qp *qp, const struct ib_recv_wr *recv_wr, |
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const struct ib_recv_wr **bad_recv_wr); |
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int bnxt_re_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr, |
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struct ib_udata *udata); |
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int bnxt_re_destroy_cq(struct ib_cq *cq, struct ib_udata *udata); |
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int bnxt_re_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc); |
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int bnxt_re_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags); |
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struct ib_mr *bnxt_re_get_dma_mr(struct ib_pd *pd, int mr_access_flags); |
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int bnxt_re_map_mr_sg(struct ib_mr *ib_mr, struct scatterlist *sg, int sg_nents, |
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unsigned int *sg_offset); |
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struct ib_mr *bnxt_re_alloc_mr(struct ib_pd *ib_pd, enum ib_mr_type mr_type, |
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u32 max_num_sg); |
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int bnxt_re_dereg_mr(struct ib_mr *mr, struct ib_udata *udata); |
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struct ib_mw *bnxt_re_alloc_mw(struct ib_pd *ib_pd, enum ib_mw_type type, |
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struct ib_udata *udata); |
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int bnxt_re_dealloc_mw(struct ib_mw *mw); |
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struct ib_mr *bnxt_re_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, |
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u64 virt_addr, int mr_access_flags, |
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struct ib_udata *udata); |
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int bnxt_re_alloc_ucontext(struct ib_ucontext *ctx, struct ib_udata *udata); |
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void bnxt_re_dealloc_ucontext(struct ib_ucontext *context); |
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int bnxt_re_mmap(struct ib_ucontext *context, struct vm_area_struct *vma); |
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unsigned long bnxt_re_lock_cqs(struct bnxt_re_qp *qp); |
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void bnxt_re_unlock_cqs(struct bnxt_re_qp *qp, unsigned long flags); |
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#endif /* __BNXT_RE_IB_VERBS_H__ */
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