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_EDPM_MODE = 1 << 0,
43 QEDR_ALLOC_UCTX_DB_REC = 1 << 43 QEDR_ALLOC_UCTX_DB_REC = 1 << 1,
44 QEDR_SUPPORT_DPM_SIZES = 1 << 44 QEDR_SUPPORT_DPM_SIZES = 1 << 2,
45 }; 45 };
46 46
47 struct qedr_alloc_ucontext_req { 47 struct qedr_alloc_ucontext_req {
48 __u32 context_flags; 48 __u32 context_flags;
49 __u32 reserved; 49 __u32 reserved;
50 }; 50 };
51 51
52 #define QEDR_LDPM_MAX_SIZE (8192) 52 #define QEDR_LDPM_MAX_SIZE (8192)
53 #define QEDR_EDPM_TRANS_SIZE (64) 53 #define QEDR_EDPM_TRANS_SIZE (64)
54 #define QEDR_EDPM_MAX_SIZE (ROCE_REQ_MAX_ 54 #define QEDR_EDPM_MAX_SIZE (ROCE_REQ_MAX_INLINE_DATA_SIZE)
55 55
56 enum qedr_rdma_dpm_type { 56 enum qedr_rdma_dpm_type {
57 QEDR_DPM_TYPE_NONE = 0, 57 QEDR_DPM_TYPE_NONE = 0,
58 QEDR_DPM_TYPE_ROCE_ENHANCED = 1 << 58 QEDR_DPM_TYPE_ROCE_ENHANCED = 1 << 0,
59 QEDR_DPM_TYPE_ROCE_LEGACY = 1 << 59 QEDR_DPM_TYPE_ROCE_LEGACY = 1 << 1,
60 QEDR_DPM_TYPE_IWARP_LEGACY = 1 << 60 QEDR_DPM_TYPE_IWARP_LEGACY = 1 << 2,
61 QEDR_DPM_TYPE_ROCE_EDPM_MODE = 1 << 61 QEDR_DPM_TYPE_ROCE_EDPM_MODE = 1 << 3,
62 QEDR_DPM_SIZES_SET = 1 << 62 QEDR_DPM_SIZES_SET = 1 << 4,
63 }; 63 };
64 64
65 struct qedr_alloc_ucontext_resp { 65 struct qedr_alloc_ucontext_resp {
66 __aligned_u64 db_pa; 66 __aligned_u64 db_pa;
67 __u32 db_size; 67 __u32 db_size;
68 68
69 __u32 max_send_wr; 69 __u32 max_send_wr;
70 __u32 max_recv_wr; 70 __u32 max_recv_wr;
71 __u32 max_srq_wr; 71 __u32 max_srq_wr;
72 __u32 sges_per_send_wr; 72 __u32 sges_per_send_wr;
73 __u32 sges_per_recv_wr; 73 __u32 sges_per_recv_wr;
74 __u32 sges_per_srq_wr; 74 __u32 sges_per_srq_wr;
75 __u32 max_cqes; 75 __u32 max_cqes;
76 __u8 dpm_flags; 76 __u8 dpm_flags;
77 __u8 wids_enabled; 77 __u8 wids_enabled;
78 __u16 wid_count; 78 __u16 wid_count;
79 __u16 ldpm_limit_size; 79 __u16 ldpm_limit_size;
80 __u8 edpm_trans_size; 80 __u8 edpm_trans_size;
81 __u8 reserved; 81 __u8 reserved;
82 __u16 edpm_limit_size; 82 __u16 edpm_limit_size;
83 __u8 padding[6]; 83 __u8 padding[6];
84 }; 84 };
85 85
86 struct qedr_alloc_pd_ureq { 86 struct qedr_alloc_pd_ureq {
87 __aligned_u64 rsvd1; 87 __aligned_u64 rsvd1;
88 }; 88 };
89 89
90 struct qedr_alloc_pd_uresp { 90 struct qedr_alloc_pd_uresp {
91 __u32 pd_id; 91 __u32 pd_id;
92 __u32 reserved; 92 __u32 reserved;
93 }; 93 };
94 94
95 struct qedr_create_cq_ureq { 95 struct qedr_create_cq_ureq {
96 __aligned_u64 addr; 96 __aligned_u64 addr;
97 __aligned_u64 len; 97 __aligned_u64 len;
98 }; 98 };
99 99
100 struct qedr_create_cq_uresp { 100 struct qedr_create_cq_uresp {
101 __u32 db_offset; 101 __u32 db_offset;
102 __u16 icid; 102 __u16 icid;
103 __u16 reserved; 103 __u16 reserved;
104 __aligned_u64 db_rec_addr; 104 __aligned_u64 db_rec_addr;
105 }; 105 };
106 106
107 struct qedr_create_qp_ureq { 107 struct qedr_create_qp_ureq {
108 __u32 qp_handle_hi; 108 __u32 qp_handle_hi;
109 __u32 qp_handle_lo; 109 __u32 qp_handle_lo;
110 110
111 /* SQ */ 111 /* SQ */
112 /* user space virtual address of SQ bu 112 /* user space virtual address of SQ buffer */
113 __aligned_u64 sq_addr; 113 __aligned_u64 sq_addr;
114 114
115 /* length of SQ buffer */ 115 /* length of SQ buffer */
116 __aligned_u64 sq_len; 116 __aligned_u64 sq_len;
117 117
118 /* RQ */ 118 /* RQ */
119 /* user space virtual address of RQ bu 119 /* user space virtual address of RQ buffer */
120 __aligned_u64 rq_addr; 120 __aligned_u64 rq_addr;
121 121
122 /* length of RQ buffer */ 122 /* length of RQ buffer */
123 __aligned_u64 rq_len; 123 __aligned_u64 rq_len;
124 }; 124 };
125 125
126 struct qedr_create_qp_uresp { 126 struct qedr_create_qp_uresp {
127 __u32 qp_id; 127 __u32 qp_id;
128 __u32 atomic_supported; 128 __u32 atomic_supported;
129 129
130 /* SQ */ 130 /* SQ */
131 __u32 sq_db_offset; 131 __u32 sq_db_offset;
132 __u16 sq_icid; 132 __u16 sq_icid;
133 133
134 /* RQ */ 134 /* RQ */
135 __u32 rq_db_offset; 135 __u32 rq_db_offset;
136 __u16 rq_icid; 136 __u16 rq_icid;
137 137
138 __u32 rq_db2_offset; 138 __u32 rq_db2_offset;
139 __u32 reserved; 139 __u32 reserved;
140 140
141 /* address of SQ doorbell recovery use 141 /* address of SQ doorbell recovery user entry */
142 __aligned_u64 sq_db_rec_addr; 142 __aligned_u64 sq_db_rec_addr;
143 143
144 /* address of RQ doorbell recovery use 144 /* address of RQ doorbell recovery user entry */
145 __aligned_u64 rq_db_rec_addr; 145 __aligned_u64 rq_db_rec_addr;
146 146
147 }; 147 };
148 148
149 struct qedr_create_srq_ureq { 149 struct qedr_create_srq_ureq {
150 /* user space virtual address of produ 150 /* user space virtual address of producer pair */
151 __aligned_u64 prod_pair_addr; 151 __aligned_u64 prod_pair_addr;
152 152
153 /* user space virtual address of SRQ b 153 /* user space virtual address of SRQ buffer */
154 __aligned_u64 srq_addr; 154 __aligned_u64 srq_addr;
155 155
156 /* length of SRQ buffer */ 156 /* length of SRQ buffer */
157 __aligned_u64 srq_len; 157 __aligned_u64 srq_len;
158 }; 158 };
159 159
160 struct qedr_create_srq_uresp { 160 struct qedr_create_srq_uresp {
161 __u16 srq_id; 161 __u16 srq_id;
162 __u16 reserved0; 162 __u16 reserved0;
163 __u32 reserved1; 163 __u32 reserved1;
164 }; 164 };
165 165
166 /* doorbell recovery entry allocated and popul 166 /* doorbell recovery entry allocated and populated by userspace doorbelling
167 * entities and mapped to kernel. Kernel uses 167 * entities and mapped to kernel. Kernel uses this to register doorbell
168 * information with doorbell drop recovery mec 168 * information with doorbell drop recovery mechanism.
169 */ 169 */
170 struct qedr_user_db_rec { 170 struct qedr_user_db_rec {
171 __aligned_u64 db_data; /* doorbell dat 171 __aligned_u64 db_data; /* doorbell data */
172 }; 172 };
173 173
174 #endif /* __QEDR_USER_H__ */ 174 #endif /* __QEDR_USER_H__ */
175 175
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