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_re_fence_data fence
;
66 struct bnxt_re_dev
*rdev
;
68 struct bnxt_qplib_ah qplib_ah
;
72 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
;
97 struct bnxt_re_dev
*rdev
;
98 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 bnxt_re_dev
*rdev
;
139 struct ib_ucontext ib_uctx
;
140 struct bnxt_qplib_dpi dpi
;
142 spinlock_t sh_lock
; /* protect shpg */
145 struct net_device
*bnxt_re_get_netdev(struct ib_device
*ibdev
, u8 port_num
);
147 int bnxt_re_query_device(struct ib_device
*ibdev
,
148 struct ib_device_attr
*ib_attr
,
149 struct ib_udata
*udata
);
150 int bnxt_re_modify_device(struct ib_device
*ibdev
,
151 int device_modify_mask
,
152 struct ib_device_modify
*device_modify
);
153 int bnxt_re_query_port(struct ib_device
*ibdev
, u8 port_num
,
154 struct ib_port_attr
*port_attr
);
155 int bnxt_re_get_port_immutable(struct ib_device
*ibdev
, u8 port_num
,
156 struct ib_port_immutable
*immutable
);
157 void bnxt_re_query_fw_str(struct ib_device
*ibdev
, char *str
);
158 int bnxt_re_query_pkey(struct ib_device
*ibdev
, u8 port_num
,
159 u16 index
, u16
*pkey
);
160 int bnxt_re_del_gid(struct ib_device
*ibdev
, u8 port_num
,
161 unsigned int index
, void **context
);
162 int bnxt_re_add_gid(struct ib_device
*ibdev
, u8 port_num
,
163 unsigned int index
, const union ib_gid
*gid
,
164 const struct ib_gid_attr
*attr
, void **context
);
165 int bnxt_re_query_gid(struct ib_device
*ibdev
, u8 port_num
,
166 int index
, union ib_gid
*gid
);
167 enum rdma_link_layer
bnxt_re_get_link_layer(struct ib_device
*ibdev
,
169 struct ib_pd
*bnxt_re_alloc_pd(struct ib_device
*ibdev
,
170 struct ib_ucontext
*context
,
171 struct ib_udata
*udata
);
172 int bnxt_re_dealloc_pd(struct ib_pd
*pd
);
173 struct ib_ah
*bnxt_re_create_ah(struct ib_pd
*pd
,
174 struct rdma_ah_attr
*ah_attr
,
175 struct ib_udata
*udata
);
176 int bnxt_re_modify_ah(struct ib_ah
*ah
, struct rdma_ah_attr
*ah_attr
);
177 int bnxt_re_query_ah(struct ib_ah
*ah
, struct rdma_ah_attr
*ah_attr
);
178 int bnxt_re_destroy_ah(struct ib_ah
*ah
);
179 struct ib_srq
*bnxt_re_create_srq(struct ib_pd
*pd
,
180 struct ib_srq_init_attr
*srq_init_attr
,
181 struct ib_udata
*udata
);
182 int bnxt_re_modify_srq(struct ib_srq
*srq
, struct ib_srq_attr
*srq_attr
,
183 enum ib_srq_attr_mask srq_attr_mask
,
184 struct ib_udata
*udata
);
185 int bnxt_re_query_srq(struct ib_srq
*srq
, struct ib_srq_attr
*srq_attr
);
186 int bnxt_re_destroy_srq(struct ib_srq
*srq
);
187 int bnxt_re_post_srq_recv(struct ib_srq
*srq
, struct ib_recv_wr
*recv_wr
,
188 struct ib_recv_wr
**bad_recv_wr
);
189 struct ib_qp
*bnxt_re_create_qp(struct ib_pd
*pd
,
190 struct ib_qp_init_attr
*qp_init_attr
,
191 struct ib_udata
*udata
);
192 int bnxt_re_modify_qp(struct ib_qp
*qp
, struct ib_qp_attr
*qp_attr
,
193 int qp_attr_mask
, struct ib_udata
*udata
);
194 int bnxt_re_query_qp(struct ib_qp
*qp
, struct ib_qp_attr
*qp_attr
,
195 int qp_attr_mask
, struct ib_qp_init_attr
*qp_init_attr
);
196 int bnxt_re_destroy_qp(struct ib_qp
*qp
);
197 int bnxt_re_post_send(struct ib_qp
*qp
, struct ib_send_wr
*send_wr
,
198 struct ib_send_wr
**bad_send_wr
);
199 int bnxt_re_post_recv(struct ib_qp
*qp
, struct ib_recv_wr
*recv_wr
,
200 struct ib_recv_wr
**bad_recv_wr
);
201 struct ib_cq
*bnxt_re_create_cq(struct ib_device
*ibdev
,
202 const struct ib_cq_init_attr
*attr
,
203 struct ib_ucontext
*context
,
204 struct ib_udata
*udata
);
205 int bnxt_re_destroy_cq(struct ib_cq
*cq
);
206 int bnxt_re_poll_cq(struct ib_cq
*cq
, int num_entries
, struct ib_wc
*wc
);
207 int bnxt_re_req_notify_cq(struct ib_cq
*cq
, enum ib_cq_notify_flags flags
);
208 struct ib_mr
*bnxt_re_get_dma_mr(struct ib_pd
*pd
, int mr_access_flags
);
210 int bnxt_re_map_mr_sg(struct ib_mr
*ib_mr
, struct scatterlist
*sg
, int sg_nents
,
211 unsigned int *sg_offset
);
212 struct ib_mr
*bnxt_re_alloc_mr(struct ib_pd
*ib_pd
, enum ib_mr_type mr_type
,
214 int bnxt_re_dereg_mr(struct ib_mr
*mr
);
215 struct ib_mw
*bnxt_re_alloc_mw(struct ib_pd
*ib_pd
, enum ib_mw_type type
,
216 struct ib_udata
*udata
);
217 int bnxt_re_dealloc_mw(struct ib_mw
*mw
);
218 struct ib_mr
*bnxt_re_reg_user_mr(struct ib_pd
*pd
, u64 start
, u64 length
,
219 u64 virt_addr
, int mr_access_flags
,
220 struct ib_udata
*udata
);
221 struct ib_ucontext
*bnxt_re_alloc_ucontext(struct ib_device
*ibdev
,
222 struct ib_udata
*udata
);
223 int bnxt_re_dealloc_ucontext(struct ib_ucontext
*context
);
224 int bnxt_re_mmap(struct ib_ucontext
*context
, struct vm_area_struct
*vma
);
225 #endif /* __BNXT_RE_IB_VERBS_H__ */