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__ */
132