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;
60 struct bnxt_re_dev *rdev;
61 struct bnxt_qplib_pd qplib_pd;
62 struct bnxt_re_fence_data fence;
67 struct bnxt_re_dev *rdev;
68 struct bnxt_qplib_ah qplib_ah;
73 struct bnxt_re_dev *rdev;
75 struct bnxt_qplib_srq qplib_srq;
77 spinlock_t lock; /* protect srq */
81 struct list_head list;
82 struct bnxt_re_dev *rdev;
84 spinlock_t sq_lock; /* protect sq */
85 spinlock_t rq_lock; /* protect rq */
86 struct bnxt_qplib_qp qplib_qp;
87 struct ib_umem *sumem;
88 struct ib_umem *rumem;
91 struct ib_ud_header qp1_hdr;
92 struct bnxt_re_cq *scq;
93 struct bnxt_re_cq *rcq;
98 struct bnxt_re_dev *rdev;
99 spinlock_t cq_lock; /* protect cq */
102 struct bnxt_qplib_cq qplib_cq;
103 struct bnxt_qplib_cqe *cql;
104 #define MAX_CQL_PER_POLL 1024
106 struct ib_umem *umem;
110 struct bnxt_re_dev *rdev;
112 struct ib_umem *ib_umem;
113 struct bnxt_qplib_mrw qplib_mr;
116 struct bnxt_qplib_frpl qplib_frpl;
119 struct bnxt_re_frpl {
120 struct bnxt_re_dev *rdev;
121 struct bnxt_qplib_frpl qplib_frpl;
126 struct bnxt_re_dev *rdev;
127 struct ib_fmr ib_fmr;
128 struct bnxt_qplib_mrw qplib_fmr;
132 struct bnxt_re_dev *rdev;
134 struct bnxt_qplib_mrw qplib_mw;
137 struct bnxt_re_ucontext {
138 struct ib_ucontext ib_uctx;
139 struct bnxt_re_dev *rdev;
140 struct bnxt_qplib_dpi dpi;
142 spinlock_t sh_lock; /* protect shpg */
145 int bnxt_re_query_device(struct ib_device *ibdev,
146 struct ib_device_attr *ib_attr,
147 struct ib_udata *udata);
148 int bnxt_re_modify_device(struct ib_device *ibdev,
149 int device_modify_mask,
150 struct ib_device_modify *device_modify);
151 int bnxt_re_query_port(struct ib_device *ibdev, u8 port_num,
152 struct ib_port_attr *port_attr);
153 int bnxt_re_get_port_immutable(struct ib_device *ibdev, u8 port_num,
154 struct ib_port_immutable *immutable);
155 void bnxt_re_query_fw_str(struct ib_device *ibdev, char *str);
156 int bnxt_re_query_pkey(struct ib_device *ibdev, u8 port_num,
157 u16 index, u16 *pkey);
158 int bnxt_re_del_gid(const struct ib_gid_attr *attr, void **context);
159 int bnxt_re_add_gid(const struct ib_gid_attr *attr, void **context);
160 int bnxt_re_query_gid(struct ib_device *ibdev, u8 port_num,
161 int index, union ib_gid *gid);
162 enum rdma_link_layer bnxt_re_get_link_layer(struct ib_device *ibdev,
164 int bnxt_re_alloc_pd(struct ib_pd *pd, struct ib_udata *udata);
165 void bnxt_re_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata);
166 int bnxt_re_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, u32 flags,
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 void bnxt_re_destroy_ah(struct ib_ah *ah, u32 flags);
171 int bnxt_re_create_srq(struct ib_srq *srq,
172 struct ib_srq_init_attr *srq_init_attr,
173 struct ib_udata *udata);
174 int bnxt_re_modify_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr,
175 enum ib_srq_attr_mask srq_attr_mask,
176 struct ib_udata *udata);
177 int bnxt_re_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
178 void bnxt_re_destroy_srq(struct ib_srq *srq, struct ib_udata *udata);
179 int bnxt_re_post_srq_recv(struct ib_srq *srq, const struct ib_recv_wr *recv_wr,
180 const struct ib_recv_wr **bad_recv_wr);
181 struct ib_qp *bnxt_re_create_qp(struct ib_pd *pd,
182 struct ib_qp_init_attr *qp_init_attr,
183 struct ib_udata *udata);
184 int bnxt_re_modify_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
185 int qp_attr_mask, struct ib_udata *udata);
186 int bnxt_re_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
187 int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
188 int bnxt_re_destroy_qp(struct ib_qp *qp, struct ib_udata *udata);
189 int bnxt_re_post_send(struct ib_qp *qp, const struct ib_send_wr *send_wr,
190 const struct ib_send_wr **bad_send_wr);
191 int bnxt_re_post_recv(struct ib_qp *qp, const struct ib_recv_wr *recv_wr,
192 const struct ib_recv_wr **bad_recv_wr);
193 int bnxt_re_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
194 struct ib_udata *udata);
195 void bnxt_re_destroy_cq(struct ib_cq *cq, struct ib_udata *udata);
196 int bnxt_re_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc);
197 int bnxt_re_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
198 struct ib_mr *bnxt_re_get_dma_mr(struct ib_pd *pd, int mr_access_flags);
200 int bnxt_re_map_mr_sg(struct ib_mr *ib_mr, struct scatterlist *sg, int sg_nents,
201 unsigned int *sg_offset);
202 struct ib_mr *bnxt_re_alloc_mr(struct ib_pd *ib_pd, enum ib_mr_type mr_type,
203 u32 max_num_sg, struct ib_udata *udata);
204 int bnxt_re_dereg_mr(struct ib_mr *mr, struct ib_udata *udata);
205 struct ib_mw *bnxt_re_alloc_mw(struct ib_pd *ib_pd, enum ib_mw_type type,
206 struct ib_udata *udata);
207 int bnxt_re_dealloc_mw(struct ib_mw *mw);
208 struct ib_mr *bnxt_re_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
209 u64 virt_addr, int mr_access_flags,
210 struct ib_udata *udata);
211 int bnxt_re_alloc_ucontext(struct ib_ucontext *ctx, struct ib_udata *udata);
212 void bnxt_re_dealloc_ucontext(struct ib_ucontext *context);
213 int bnxt_re_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
215 unsigned long bnxt_re_lock_cqs(struct bnxt_re_qp *qp);
216 void bnxt_re_unlock_cqs(struct bnxt_re_qp *qp, unsigned long flags);
217 #endif /* __BNXT_RE_IB_VERBS_H__ */