1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Lin 1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
2 /* QLogic qedr NIC Driver 2 /* QLogic qedr NIC Driver
3 * Copyright (c) 2015-2016 QLogic Corporation 3 * Copyright (c) 2015-2016 QLogic Corporation
4 * 4 *
5 * This software is available to you under a c 5 * This software is available to you under a choice of one of two
6 * licenses. You may choose to be licensed un 6 * licenses. You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, ava 7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this sourc 8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below: 9 * OpenIB.org BSD license below:
10 * 10 *
11 * Redistribution and use in source and bi 11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted pro 12 * without modification, are permitted provided that the following
13 * conditions are met: 13 * conditions are met:
14 * 14 *
15 * - Redistributions of source code must 15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of condi 16 * copyright notice, this list of conditions and the following
17 * disclaimer. 17 * disclaimer.
18 * 18 *
19 * - Redistributions in binary form must 19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of condi 20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and 21 * disclaimer in the documentation and /or other materials
22 * provided with the distribution. 22 * provided with the distribution.
23 * 23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT W 24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMIT 25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR P 26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTH 27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER L 28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARIS 29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR 30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE. 31 * SOFTWARE.
32 */ 32 */
33 #ifndef __QEDR_USER_H__ 33 #ifndef __QEDR_USER_H__
34 #define __QEDR_USER_H__ 34 #define __QEDR_USER_H__
35 35
36 #include <linux/types.h> 36 #include <linux/types.h>
37 37
38 #define QEDR_ABI_VERSION (8) 38 #define QEDR_ABI_VERSION (8)
39 39
40 /* user kernel communication data structures. 40 /* user kernel communication data structures. */
41 enum qedr_alloc_ucontext_flags { 41 enum qedr_alloc_ucontext_flags {
42 QEDR_ALLOC_UCTX_EDPM_MODE = 1 << !! 42 QEDR_ALLOC_UCTX_RESERVED = 1 << 0,
43 QEDR_ALLOC_UCTX_DB_REC = 1 << !! 43 QEDR_ALLOC_UCTX_DB_REC = 1 << 1
44 QEDR_SUPPORT_DPM_SIZES = 1 << <<
45 }; 44 };
46 45
47 struct qedr_alloc_ucontext_req { 46 struct qedr_alloc_ucontext_req {
48 __u32 context_flags; 47 __u32 context_flags;
49 __u32 reserved; 48 __u32 reserved;
50 }; 49 };
51 50
52 #define QEDR_LDPM_MAX_SIZE (8192) <<
53 #define QEDR_EDPM_TRANS_SIZE (64) <<
54 #define QEDR_EDPM_MAX_SIZE (ROCE_REQ_MAX_ <<
55 <<
56 enum qedr_rdma_dpm_type { <<
57 QEDR_DPM_TYPE_NONE = 0, <<
58 QEDR_DPM_TYPE_ROCE_ENHANCED = 1 << <<
59 QEDR_DPM_TYPE_ROCE_LEGACY = 1 << <<
60 QEDR_DPM_TYPE_IWARP_LEGACY = 1 << <<
61 QEDR_DPM_TYPE_ROCE_EDPM_MODE = 1 << <<
62 QEDR_DPM_SIZES_SET = 1 << <<
63 }; <<
64 <<
65 struct qedr_alloc_ucontext_resp { 51 struct qedr_alloc_ucontext_resp {
66 __aligned_u64 db_pa; 52 __aligned_u64 db_pa;
67 __u32 db_size; 53 __u32 db_size;
68 54
69 __u32 max_send_wr; 55 __u32 max_send_wr;
70 __u32 max_recv_wr; 56 __u32 max_recv_wr;
71 __u32 max_srq_wr; 57 __u32 max_srq_wr;
72 __u32 sges_per_send_wr; 58 __u32 sges_per_send_wr;
73 __u32 sges_per_recv_wr; 59 __u32 sges_per_recv_wr;
74 __u32 sges_per_srq_wr; 60 __u32 sges_per_srq_wr;
75 __u32 max_cqes; 61 __u32 max_cqes;
76 __u8 dpm_flags; !! 62 __u8 dpm_enabled;
77 __u8 wids_enabled; 63 __u8 wids_enabled;
78 __u16 wid_count; 64 __u16 wid_count;
79 __u16 ldpm_limit_size; !! 65 __u32 reserved;
80 __u8 edpm_trans_size; <<
81 __u8 reserved; <<
82 __u16 edpm_limit_size; <<
83 __u8 padding[6]; <<
84 }; 66 };
85 67
86 struct qedr_alloc_pd_ureq { 68 struct qedr_alloc_pd_ureq {
87 __aligned_u64 rsvd1; 69 __aligned_u64 rsvd1;
88 }; 70 };
89 71
90 struct qedr_alloc_pd_uresp { 72 struct qedr_alloc_pd_uresp {
91 __u32 pd_id; 73 __u32 pd_id;
92 __u32 reserved; 74 __u32 reserved;
93 }; 75 };
94 76
95 struct qedr_create_cq_ureq { 77 struct qedr_create_cq_ureq {
96 __aligned_u64 addr; 78 __aligned_u64 addr;
97 __aligned_u64 len; 79 __aligned_u64 len;
98 }; 80 };
99 81
100 struct qedr_create_cq_uresp { 82 struct qedr_create_cq_uresp {
101 __u32 db_offset; 83 __u32 db_offset;
102 __u16 icid; 84 __u16 icid;
103 __u16 reserved; 85 __u16 reserved;
104 __aligned_u64 db_rec_addr; 86 __aligned_u64 db_rec_addr;
105 }; 87 };
106 88
107 struct qedr_create_qp_ureq { 89 struct qedr_create_qp_ureq {
108 __u32 qp_handle_hi; 90 __u32 qp_handle_hi;
109 __u32 qp_handle_lo; 91 __u32 qp_handle_lo;
110 92
111 /* SQ */ 93 /* SQ */
112 /* user space virtual address of SQ bu 94 /* user space virtual address of SQ buffer */
113 __aligned_u64 sq_addr; 95 __aligned_u64 sq_addr;
114 96
115 /* length of SQ buffer */ 97 /* length of SQ buffer */
116 __aligned_u64 sq_len; 98 __aligned_u64 sq_len;
117 99
118 /* RQ */ 100 /* RQ */
119 /* user space virtual address of RQ bu 101 /* user space virtual address of RQ buffer */
120 __aligned_u64 rq_addr; 102 __aligned_u64 rq_addr;
121 103
122 /* length of RQ buffer */ 104 /* length of RQ buffer */
123 __aligned_u64 rq_len; 105 __aligned_u64 rq_len;
124 }; 106 };
125 107
126 struct qedr_create_qp_uresp { 108 struct qedr_create_qp_uresp {
127 __u32 qp_id; 109 __u32 qp_id;
128 __u32 atomic_supported; 110 __u32 atomic_supported;
129 111
130 /* SQ */ 112 /* SQ */
131 __u32 sq_db_offset; 113 __u32 sq_db_offset;
132 __u16 sq_icid; 114 __u16 sq_icid;
133 115
134 /* RQ */ 116 /* RQ */
135 __u32 rq_db_offset; 117 __u32 rq_db_offset;
136 __u16 rq_icid; 118 __u16 rq_icid;
137 119
138 __u32 rq_db2_offset; 120 __u32 rq_db2_offset;
139 __u32 reserved; 121 __u32 reserved;
140 122
141 /* address of SQ doorbell recovery use 123 /* address of SQ doorbell recovery user entry */
142 __aligned_u64 sq_db_rec_addr; 124 __aligned_u64 sq_db_rec_addr;
143 125
144 /* address of RQ doorbell recovery use 126 /* address of RQ doorbell recovery user entry */
145 __aligned_u64 rq_db_rec_addr; 127 __aligned_u64 rq_db_rec_addr;
146 128
147 }; 129 };
148 130
149 struct qedr_create_srq_ureq { 131 struct qedr_create_srq_ureq {
150 /* user space virtual address of produ 132 /* user space virtual address of producer pair */
151 __aligned_u64 prod_pair_addr; 133 __aligned_u64 prod_pair_addr;
152 134
153 /* user space virtual address of SRQ b 135 /* user space virtual address of SRQ buffer */
154 __aligned_u64 srq_addr; 136 __aligned_u64 srq_addr;
155 137
156 /* length of SRQ buffer */ 138 /* length of SRQ buffer */
157 __aligned_u64 srq_len; 139 __aligned_u64 srq_len;
158 }; 140 };
159 141
160 struct qedr_create_srq_uresp { 142 struct qedr_create_srq_uresp {
161 __u16 srq_id; 143 __u16 srq_id;
162 __u16 reserved0; 144 __u16 reserved0;
163 __u32 reserved1; 145 __u32 reserved1;
164 }; 146 };
165 147
166 /* doorbell recovery entry allocated and popul 148 /* doorbell recovery entry allocated and populated by userspace doorbelling
167 * entities and mapped to kernel. Kernel uses 149 * entities and mapped to kernel. Kernel uses this to register doorbell
168 * information with doorbell drop recovery mec 150 * information with doorbell drop recovery mechanism.
169 */ 151 */
170 struct qedr_user_db_rec { 152 struct qedr_user_db_rec {
171 __aligned_u64 db_data; /* doorbell dat 153 __aligned_u64 db_data; /* doorbell data */
172 }; 154 };
173 155
174 #endif /* __QEDR_USER_H__ */ 156 #endif /* __QEDR_USER_H__ */
175 157
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