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gerrit-public.fairphone.software / kernel / msm-5.4 / acfd6ee4fa7ebeee75511825fe02be3f7ac1d668 / . / drivers / infiniband / hw / bnxt_re / ib_verbs.h
blob: 5c3d71765454f6e8476b86fd329d63b45d7735f6 [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
47struct bnxt_re_pd {
48 struct bnxt_re_dev *rdev;
49 struct ib_pd ib_pd;
50 struct bnxt_qplib_pd qplib_pd;
51 struct bnxt_qplib_dpi dpi;
52};
53
54struct bnxt_re_ah {
55 struct bnxt_re_dev *rdev;
56 struct ib_ah ib_ah;
57 struct bnxt_qplib_ah qplib_ah;
58};
59
60struct bnxt_re_qp {
61 struct list_head list;
62 struct bnxt_re_dev *rdev;
63 struct ib_qp ib_qp;
64 spinlock_t sq_lock; /* protect sq */
65 struct bnxt_qplib_qp qplib_qp;
66 struct ib_umem *sumem;
67 struct ib_umem *rumem;
68 /* QP1 */
69 u32 send_psn;
70 struct ib_ud_header qp1_hdr;
71};
72
73struct bnxt_re_cq {
74 struct bnxt_re_dev *rdev;
75 spinlock_t cq_lock; /* protect cq */
76 u16 cq_count;
77 u16 cq_period;
78 struct ib_cq ib_cq;
79 struct bnxt_qplib_cq qplib_cq;
80 struct bnxt_qplib_cqe *cql;
81#define MAX_CQL_PER_POLL 1024
82 u32 max_cql;
83 struct ib_umem *umem;
84};
85
86struct bnxt_re_mr {
87 struct bnxt_re_dev *rdev;
88 struct ib_mr ib_mr;
89 struct ib_umem *ib_umem;
90 struct bnxt_qplib_mrw qplib_mr;
91 u32 npages;
92 u64 *pages;
93 struct bnxt_qplib_frpl qplib_frpl;
94};
95
96struct bnxt_re_frpl {
97 struct bnxt_re_dev *rdev;
98 struct bnxt_qplib_frpl qplib_frpl;
99 u64 *page_list;
100};
101
102struct bnxt_re_fmr {
103 struct bnxt_re_dev *rdev;
104 struct ib_fmr ib_fmr;
105 struct bnxt_qplib_mrw qplib_fmr;
106};
107
108struct bnxt_re_mw {
109 struct bnxt_re_dev *rdev;
110 struct ib_mw ib_mw;
111 struct bnxt_qplib_mrw qplib_mw;
112};
113
114struct bnxt_re_ucontext {
115 struct bnxt_re_dev *rdev;
116 struct ib_ucontext ib_uctx;
117 struct bnxt_qplib_dpi *dpi;
118 void *shpg;
119 spinlock_t sh_lock; /* protect shpg */
120};
121
122struct net_device *bnxt_re_get_netdev(struct ib_device *ibdev, u8 port_num);
123
124int bnxt_re_query_device(struct ib_device *ibdev,
125 struct ib_device_attr *ib_attr,
126 struct ib_udata *udata);
127int bnxt_re_modify_device(struct ib_device *ibdev,
128 int device_modify_mask,
129 struct ib_device_modify *device_modify);
130int bnxt_re_query_port(struct ib_device *ibdev, u8 port_num,
131 struct ib_port_attr *port_attr);
132int bnxt_re_modify_port(struct ib_device *ibdev, u8 port_num,
133 int port_modify_mask,
134 struct ib_port_modify *port_modify);
135int bnxt_re_get_port_immutable(struct ib_device *ibdev, u8 port_num,
136 struct ib_port_immutable *immutable);
137int bnxt_re_query_pkey(struct ib_device *ibdev, u8 port_num,
138 u16 index, u16 *pkey);
139int bnxt_re_del_gid(struct ib_device *ibdev, u8 port_num,
140 unsigned int index, void **context);
141int bnxt_re_add_gid(struct ib_device *ibdev, u8 port_num,
142 unsigned int index, const union ib_gid *gid,
143 const struct ib_gid_attr *attr, void **context);
144int bnxt_re_query_gid(struct ib_device *ibdev, u8 port_num,
145 int index, union ib_gid *gid);
146enum rdma_link_layer bnxt_re_get_link_layer(struct ib_device *ibdev,
147 u8 port_num);
148struct ib_pd *bnxt_re_alloc_pd(struct ib_device *ibdev,
149 struct ib_ucontext *context,
150 struct ib_udata *udata);
151int bnxt_re_dealloc_pd(struct ib_pd *pd);
152struct ib_ah *bnxt_re_create_ah(struct ib_pd *pd,
Dasaratharaman Chandramouli90898852017-04-29 14:41:18 -0400[diff] [blame]153 struct rdma_ah_attr *ah_attr,
Selvin Xavier1ac5a402017-02-10 03:19:33 -0800[diff] [blame]154 struct ib_udata *udata);
Dasaratharaman Chandramouli90898852017-04-29 14:41:18 -0400[diff] [blame]155int bnxt_re_modify_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
156int bnxt_re_query_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
Selvin Xavier1ac5a402017-02-10 03:19:33 -0800[diff] [blame]157int bnxt_re_destroy_ah(struct ib_ah *ah);
158struct ib_qp *bnxt_re_create_qp(struct ib_pd *pd,
159 struct ib_qp_init_attr *qp_init_attr,
160 struct ib_udata *udata);
161int bnxt_re_modify_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
162 int qp_attr_mask, struct ib_udata *udata);
163int bnxt_re_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
164 int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
165int bnxt_re_destroy_qp(struct ib_qp *qp);
166int bnxt_re_post_send(struct ib_qp *qp, struct ib_send_wr *send_wr,
167 struct ib_send_wr **bad_send_wr);
168int bnxt_re_post_recv(struct ib_qp *qp, struct ib_recv_wr *recv_wr,
169 struct ib_recv_wr **bad_recv_wr);
170struct ib_cq *bnxt_re_create_cq(struct ib_device *ibdev,
171 const struct ib_cq_init_attr *attr,
172 struct ib_ucontext *context,
173 struct ib_udata *udata);
174int bnxt_re_destroy_cq(struct ib_cq *cq);
175int bnxt_re_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc);
176int bnxt_re_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
177struct ib_mr *bnxt_re_get_dma_mr(struct ib_pd *pd, int mr_access_flags);
178
179int bnxt_re_map_mr_sg(struct ib_mr *ib_mr, struct scatterlist *sg, int sg_nents,
180 unsigned int *sg_offset);
181struct ib_mr *bnxt_re_alloc_mr(struct ib_pd *ib_pd, enum ib_mr_type mr_type,
182 u32 max_num_sg);
183int bnxt_re_dereg_mr(struct ib_mr *mr);
184struct ib_fmr *bnxt_re_alloc_fmr(struct ib_pd *pd, int mr_access_flags,
185 struct ib_fmr_attr *fmr_attr);
186int bnxt_re_map_phys_fmr(struct ib_fmr *fmr, u64 *page_list, int list_len,
187 u64 iova);
188int bnxt_re_unmap_fmr(struct list_head *fmr_list);
189int bnxt_re_dealloc_fmr(struct ib_fmr *fmr);
190struct ib_mr *bnxt_re_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
191 u64 virt_addr, int mr_access_flags,
192 struct ib_udata *udata);
193struct ib_ucontext *bnxt_re_alloc_ucontext(struct ib_device *ibdev,
194 struct ib_udata *udata);
195int bnxt_re_dealloc_ucontext(struct ib_ucontext *context);
196int bnxt_re_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
197#endif /* __BNXT_RE_IB_VERBS_H__ */