2 * Broadcom NetXtreme-E RoCE driver.
4 * Copyright (c) 2016 - 2017, Broadcom. All rights reserved. The term
5 * Broadcom refers to Broadcom Limited and/or its subsidiaries.
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
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
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
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.
36 * Description: IB Verbs interpreter (header)
39 #ifndef __BNXT_RE_IB_VERBS_H__
40 #define __BNXT_RE_IB_VERBS_H__
42 struct bnxt_re_gid_ctx {
47 #define BNXT_RE_FENCE_BYTES 64
48 struct bnxt_re_fence_data {
50 u8 va[BNXT_RE_FENCE_BYTES];
52 struct bnxt_re_mr *mr;
54 struct bnxt_qplib_swqe bind_wqe;
59 struct bnxt_re_dev *rdev;
61 struct bnxt_qplib_pd qplib_pd;
62 struct bnxt_qplib_dpi dpi;
63 struct bnxt_re_fence_data fence;
67 struct bnxt_re_dev *rdev;
69 struct bnxt_qplib_ah qplib_ah;
73 struct list_head list;
74 struct bnxt_re_dev *rdev;
76 spinlock_t sq_lock; /* protect sq */
77 spinlock_t rq_lock; /* protect rq */
78 struct bnxt_qplib_qp qplib_qp;
79 struct ib_umem *sumem;
80 struct ib_umem *rumem;
83 struct ib_ud_header qp1_hdr;
87 struct bnxt_re_dev *rdev;
88 spinlock_t cq_lock; /* protect cq */
92 struct bnxt_qplib_cq qplib_cq;
93 struct bnxt_qplib_cqe *cql;
94 #define MAX_CQL_PER_POLL 1024
100 struct bnxt_re_dev *rdev;
102 struct ib_umem *ib_umem;
103 struct bnxt_qplib_mrw qplib_mr;
106 struct bnxt_qplib_frpl qplib_frpl;
109 struct bnxt_re_frpl {
110 struct bnxt_re_dev *rdev;
111 struct bnxt_qplib_frpl qplib_frpl;
116 struct bnxt_re_dev *rdev;
117 struct ib_fmr ib_fmr;
118 struct bnxt_qplib_mrw qplib_fmr;
122 struct bnxt_re_dev *rdev;
124 struct bnxt_qplib_mrw qplib_mw;
127 struct bnxt_re_ucontext {
128 struct bnxt_re_dev *rdev;
129 struct ib_ucontext ib_uctx;
130 struct bnxt_qplib_dpi *dpi;
132 spinlock_t sh_lock; /* protect shpg */
135 struct net_device *bnxt_re_get_netdev(struct ib_device *ibdev, u8 port_num);
137 int bnxt_re_query_device(struct ib_device *ibdev,
138 struct ib_device_attr *ib_attr,
139 struct ib_udata *udata);
140 int bnxt_re_modify_device(struct ib_device *ibdev,
141 int device_modify_mask,
142 struct ib_device_modify *device_modify);
143 int bnxt_re_query_port(struct ib_device *ibdev, u8 port_num,
144 struct ib_port_attr *port_attr);
145 int bnxt_re_modify_port(struct ib_device *ibdev, u8 port_num,
146 int port_modify_mask,
147 struct ib_port_modify *port_modify);
148 int bnxt_re_get_port_immutable(struct ib_device *ibdev, u8 port_num,
149 struct ib_port_immutable *immutable);
150 int bnxt_re_query_pkey(struct ib_device *ibdev, u8 port_num,
151 u16 index, u16 *pkey);
152 int bnxt_re_del_gid(struct ib_device *ibdev, u8 port_num,
153 unsigned int index, void **context);
154 int bnxt_re_add_gid(struct ib_device *ibdev, u8 port_num,
155 unsigned int index, const union ib_gid *gid,
156 const struct ib_gid_attr *attr, void **context);
157 int bnxt_re_query_gid(struct ib_device *ibdev, u8 port_num,
158 int index, union ib_gid *gid);
159 enum rdma_link_layer bnxt_re_get_link_layer(struct ib_device *ibdev,
161 struct ib_pd *bnxt_re_alloc_pd(struct ib_device *ibdev,
162 struct ib_ucontext *context,
163 struct ib_udata *udata);
164 int bnxt_re_dealloc_pd(struct ib_pd *pd);
165 struct ib_ah *bnxt_re_create_ah(struct ib_pd *pd,
166 struct rdma_ah_attr *ah_attr,
167 struct ib_udata *udata);
168 int bnxt_re_modify_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
169 int bnxt_re_query_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
170 int bnxt_re_destroy_ah(struct ib_ah *ah);
171 struct ib_qp *bnxt_re_create_qp(struct ib_pd *pd,
172 struct ib_qp_init_attr *qp_init_attr,
173 struct ib_udata *udata);
174 int bnxt_re_modify_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
175 int qp_attr_mask, struct ib_udata *udata);
176 int bnxt_re_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
177 int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
178 int bnxt_re_destroy_qp(struct ib_qp *qp);
179 int bnxt_re_post_send(struct ib_qp *qp, struct ib_send_wr *send_wr,
180 struct ib_send_wr **bad_send_wr);
181 int bnxt_re_post_recv(struct ib_qp *qp, struct ib_recv_wr *recv_wr,
182 struct ib_recv_wr **bad_recv_wr);
183 struct ib_cq *bnxt_re_create_cq(struct ib_device *ibdev,
184 const struct ib_cq_init_attr *attr,
185 struct ib_ucontext *context,
186 struct ib_udata *udata);
187 int bnxt_re_destroy_cq(struct ib_cq *cq);
188 int bnxt_re_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc);
189 int bnxt_re_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
190 struct ib_mr *bnxt_re_get_dma_mr(struct ib_pd *pd, int mr_access_flags);
192 int bnxt_re_map_mr_sg(struct ib_mr *ib_mr, struct scatterlist *sg, int sg_nents,
193 unsigned int *sg_offset);
194 struct ib_mr *bnxt_re_alloc_mr(struct ib_pd *ib_pd, enum ib_mr_type mr_type,
196 int bnxt_re_dereg_mr(struct ib_mr *mr);
197 struct ib_mw *bnxt_re_alloc_mw(struct ib_pd *ib_pd, enum ib_mw_type type,
198 struct ib_udata *udata);
199 int bnxt_re_dealloc_mw(struct ib_mw *mw);
200 struct ib_mr *bnxt_re_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
201 u64 virt_addr, int mr_access_flags,
202 struct ib_udata *udata);
203 struct ib_ucontext *bnxt_re_alloc_ucontext(struct ib_device *ibdev,
204 struct ib_udata *udata);
205 int bnxt_re_dealloc_ucontext(struct ib_ucontext *context);
206 int bnxt_re_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
207 #endif /* __BNXT_RE_IB_VERBS_H__ */