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gerrit-public.fairphone.software / kernel / msm-5.4 / 9152e0b722b29092115da3bfbf63d26be1a461df / . / drivers / infiniband / hw / bnxt_re / ib_verbs.h
blob: 25a4c8f4d939140adcfababdf40b074ed27e3879 [file] [log] [blame]
Selvin Xavier1ac5a402017-02-10 03:19:33 -0800[diff] [blame]1/*
2 * Broadcom NetXtreme-E RoCE driver.
3 *
4 * Copyright (c) 2016 - 2017, Broadcom. All rights reserved. The term
5 * Broadcom refers to Broadcom Limited and/or its subsidiaries.
6 *
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
11 * BSD license below:
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 *
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
22 * distribution.
23 *
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.
35 *
36 * Description: IB Verbs interpreter (header)
37 */
38
39#ifndef __BNXT_RE_IB_VERBS_H__
40#define __BNXT_RE_IB_VERBS_H__
41
42struct bnxt_re_gid_ctx {
43 u32 idx;
44 u32 refcnt;
45};
46
Eddie Wai9152e0b2017-06-14 03:26:23 -0700[diff] [blame^]47#define BNXT_RE_FENCE_BYTES 64
48struct bnxt_re_fence_data {
49 u32 size;
50 u8 va[BNXT_RE_FENCE_BYTES];
51 dma_addr_t dma_addr;
52 struct bnxt_re_mr *mr;
53 struct ib_mw *mw;
54 struct bnxt_qplib_swqe bind_wqe;
55 u32 bind_rkey;
56};
57
Selvin Xavier1ac5a402017-02-10 03:19:33 -0800[diff] [blame]58struct bnxt_re_pd {
59 struct bnxt_re_dev *rdev;
60 struct ib_pd ib_pd;
61 struct bnxt_qplib_pd qplib_pd;
62 struct bnxt_qplib_dpi dpi;
Eddie Wai9152e0b2017-06-14 03:26:23 -0700[diff] [blame^]63 struct bnxt_re_fence_data fence;
Selvin Xavier1ac5a402017-02-10 03:19:33 -0800[diff] [blame]64};
65
66struct bnxt_re_ah {
67 struct bnxt_re_dev *rdev;
68 struct ib_ah ib_ah;
69 struct bnxt_qplib_ah qplib_ah;
70};
71
72struct bnxt_re_qp {
73 struct list_head list;
74 struct bnxt_re_dev *rdev;
75 struct ib_qp ib_qp;
76 spinlock_t sq_lock; /* protect sq */
77 struct bnxt_qplib_qp qplib_qp;
78 struct ib_umem *sumem;
79 struct ib_umem *rumem;
80 /* QP1 */
81 u32 send_psn;
82 struct ib_ud_header qp1_hdr;
83};
84
85struct bnxt_re_cq {
86 struct bnxt_re_dev *rdev;
87 spinlock_t cq_lock; /* protect cq */
88 u16 cq_count;
89 u16 cq_period;
90 struct ib_cq ib_cq;
91 struct bnxt_qplib_cq qplib_cq;
92 struct bnxt_qplib_cqe *cql;
93#define MAX_CQL_PER_POLL 1024
94 u32 max_cql;
95 struct ib_umem *umem;
96};
97
98struct bnxt_re_mr {
99 struct bnxt_re_dev *rdev;
100 struct ib_mr ib_mr;
101 struct ib_umem *ib_umem;
102 struct bnxt_qplib_mrw qplib_mr;
103 u32 npages;
104 u64 *pages;
105 struct bnxt_qplib_frpl qplib_frpl;
106};
107
108struct bnxt_re_frpl {
109 struct bnxt_re_dev *rdev;
110 struct bnxt_qplib_frpl qplib_frpl;
111 u64 *page_list;
112};
113
114struct bnxt_re_fmr {
115 struct bnxt_re_dev *rdev;
116 struct ib_fmr ib_fmr;
117 struct bnxt_qplib_mrw qplib_fmr;
118};
119
120struct bnxt_re_mw {
121 struct bnxt_re_dev *rdev;
122 struct ib_mw ib_mw;
123 struct bnxt_qplib_mrw qplib_mw;
124};
125
126struct bnxt_re_ucontext {
127 struct bnxt_re_dev *rdev;
128 struct ib_ucontext ib_uctx;
129 struct bnxt_qplib_dpi *dpi;
130 void *shpg;
131 spinlock_t sh_lock; /* protect shpg */
132};
133
134struct net_device *bnxt_re_get_netdev(struct ib_device *ibdev, u8 port_num);
135
136int bnxt_re_query_device(struct ib_device *ibdev,
137 struct ib_device_attr *ib_attr,
138 struct ib_udata *udata);
139int bnxt_re_modify_device(struct ib_device *ibdev,
140 int device_modify_mask,
141 struct ib_device_modify *device_modify);
142int bnxt_re_query_port(struct ib_device *ibdev, u8 port_num,
143 struct ib_port_attr *port_attr);
144int bnxt_re_modify_port(struct ib_device *ibdev, u8 port_num,
145 int port_modify_mask,
146 struct ib_port_modify *port_modify);
147int bnxt_re_get_port_immutable(struct ib_device *ibdev, u8 port_num,
148 struct ib_port_immutable *immutable);
149int bnxt_re_query_pkey(struct ib_device *ibdev, u8 port_num,
150 u16 index, u16 *pkey);
151int bnxt_re_del_gid(struct ib_device *ibdev, u8 port_num,
152 unsigned int index, void **context);
153int bnxt_re_add_gid(struct ib_device *ibdev, u8 port_num,
154 unsigned int index, const union ib_gid *gid,
155 const struct ib_gid_attr *attr, void **context);
156int bnxt_re_query_gid(struct ib_device *ibdev, u8 port_num,
157 int index, union ib_gid *gid);
158enum rdma_link_layer bnxt_re_get_link_layer(struct ib_device *ibdev,
159 u8 port_num);
160struct ib_pd *bnxt_re_alloc_pd(struct ib_device *ibdev,
161 struct ib_ucontext *context,
162 struct ib_udata *udata);
163int bnxt_re_dealloc_pd(struct ib_pd *pd);
164struct ib_ah *bnxt_re_create_ah(struct ib_pd *pd,
Dasaratharaman Chandramouli90898852017-04-29 14:41:18 -0400[diff] [blame]165 struct rdma_ah_attr *ah_attr,
Selvin Xavier1ac5a402017-02-10 03:19:33 -0800[diff] [blame]166 struct ib_udata *udata);
Dasaratharaman Chandramouli90898852017-04-29 14:41:18 -0400[diff] [blame]167int bnxt_re_modify_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
168int bnxt_re_query_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
Selvin Xavier1ac5a402017-02-10 03:19:33 -0800[diff] [blame]169int bnxt_re_destroy_ah(struct ib_ah *ah);
170struct ib_qp *bnxt_re_create_qp(struct ib_pd *pd,
171 struct ib_qp_init_attr *qp_init_attr,
172 struct ib_udata *udata);
173int bnxt_re_modify_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
174 int qp_attr_mask, struct ib_udata *udata);
175int bnxt_re_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
176 int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
177int bnxt_re_destroy_qp(struct ib_qp *qp);
178int bnxt_re_post_send(struct ib_qp *qp, struct ib_send_wr *send_wr,
179 struct ib_send_wr **bad_send_wr);
180int bnxt_re_post_recv(struct ib_qp *qp, struct ib_recv_wr *recv_wr,
181 struct ib_recv_wr **bad_recv_wr);
182struct ib_cq *bnxt_re_create_cq(struct ib_device *ibdev,
183 const struct ib_cq_init_attr *attr,
184 struct ib_ucontext *context,
185 struct ib_udata *udata);
186int bnxt_re_destroy_cq(struct ib_cq *cq);
187int bnxt_re_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc);
188int bnxt_re_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
189struct ib_mr *bnxt_re_get_dma_mr(struct ib_pd *pd, int mr_access_flags);
190
191int bnxt_re_map_mr_sg(struct ib_mr *ib_mr, struct scatterlist *sg, int sg_nents,
192 unsigned int *sg_offset);
193struct ib_mr *bnxt_re_alloc_mr(struct ib_pd *ib_pd, enum ib_mr_type mr_type,
194 u32 max_num_sg);
195int bnxt_re_dereg_mr(struct ib_mr *mr);
Eddie Wai9152e0b2017-06-14 03:26:23 -0700[diff] [blame^]196struct ib_mw *bnxt_re_alloc_mw(struct ib_pd *ib_pd, enum ib_mw_type type,
197 struct ib_udata *udata);
198int bnxt_re_dealloc_mw(struct ib_mw *mw);
Selvin Xavier1ac5a402017-02-10 03:19:33 -0800[diff] [blame]199struct ib_fmr *bnxt_re_alloc_fmr(struct ib_pd *pd, int mr_access_flags,
200 struct ib_fmr_attr *fmr_attr);
201int bnxt_re_map_phys_fmr(struct ib_fmr *fmr, u64 *page_list, int list_len,
202 u64 iova);
203int bnxt_re_unmap_fmr(struct list_head *fmr_list);
204int bnxt_re_dealloc_fmr(struct ib_fmr *fmr);
205struct ib_mr *bnxt_re_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
206 u64 virt_addr, int mr_access_flags,
207 struct ib_udata *udata);
208struct ib_ucontext *bnxt_re_alloc_ucontext(struct ib_device *ibdev,
209 struct ib_udata *udata);
210int bnxt_re_dealloc_ucontext(struct ib_ucontext *context);
211int bnxt_re_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
212#endif /* __BNXT_RE_IB_VERBS_H__ */