1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
2 /* QLogic qedr NIC Driver
3 * Copyright (c) 2015-2016 QLogic Corporation
4 *
5 * This software is available to you under a choice of one of two
6 * licenses. You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
10 *
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
13 * conditions are met:
14 *
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer.
18 *
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and /or other materials
22 * provided with the distribution.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 */
33 #ifndef __QEDR_USER_H__
34 #define __QEDR_USER_H__
35
36 #include <linux/types.h>
37
38 #define QEDR_ABI_VERSION (8)
39
40 /* user kernel communication data structures. */
41
42 struct qedr_alloc_ucontext_resp {
43 __aligned_u64 db_pa;
44 __u32 db_size;
45
46 __u32 max_send_wr;
47 __u32 max_recv_wr;
48 __u32 max_srq_wr;
49 __u32 sges_per_send_wr;
50 __u32 sges_per_recv_wr;
51 __u32 sges_per_srq_wr;
52 __u32 max_cqes;
53 __u8 dpm_enabled;
54 __u8 wids_enabled;
55 __u16 wid_count;
56 __u32 reserved;
57 };
58
59 struct qedr_alloc_pd_ureq {
60 __aligned_u64 rsvd1;
61 };
62
63 struct qedr_alloc_pd_uresp {
64 __u32 pd_id;
65 __u32 reserved;
66 };
67
68 struct qedr_create_cq_ureq {
69 __aligned_u64 addr;
70 __aligned_u64 len;
71 };
72
73 struct qedr_create_cq_uresp {
74 __u32 db_offset;
75 __u16 icid;
76 __u16 reserved;
77 };
78
79 struct qedr_create_qp_ureq {
80 __u32 qp_handle_hi;
81 __u32 qp_handle_lo;
82
83 /* SQ */
84 /* user space virtual address of SQ buffer */
85 __aligned_u64 sq_addr;
86
87 /* length of SQ buffer */
88 __aligned_u64 sq_len;
89
90 /* RQ */
91 /* user space virtual address of RQ buffer */
92 __aligned_u64 rq_addr;
93
94 /* length of RQ buffer */
95 __aligned_u64 rq_len;
96 };
97
98 struct qedr_create_qp_uresp {
99 __u32 qp_id;
100 __u32 atomic_supported;
101
102 /* SQ */
103 __u32 sq_db_offset;
104 __u16 sq_icid;
105
106 /* RQ */
107 __u32 rq_db_offset;
108 __u16 rq_icid;
109
110 __u32 rq_db2_offset;
111 __u32 reserved;
112 };
113
114 struct qedr_create_srq_ureq {
115 /* user space virtual address of producer pair */
116 __aligned_u64 prod_pair_addr;
117
118 /* user space virtual address of SRQ buffer */
119 __aligned_u64 srq_addr;
120
121 /* length of SRQ buffer */
122 __aligned_u64 srq_len;
123 };
124
125 struct qedr_create_srq_uresp {
126 __u16 srq_id;
127 __u16 reserved0;
128 __u32 reserved1;
129 };
130
131 #endif /* __QEDR_USER_H__ */