xref: /openbmc/linux/include/uapi/rdma/qedr-abi.h (revision d8bcaabe)
1 /* QLogic qedr NIC Driver
2  * Copyright (c) 2015-2016  QLogic Corporation
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and /or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32 #ifndef __QEDR_USER_H__
33 #define __QEDR_USER_H__
34 
35 #include <linux/types.h>
36 
37 #define QEDR_ABI_VERSION		(8)
38 
39 /* user kernel communication data structures. */
40 
41 struct qedr_alloc_ucontext_resp {
42 	__u64 db_pa;
43 	__u32 db_size;
44 
45 	__u32 max_send_wr;
46 	__u32 max_recv_wr;
47 	__u32 max_srq_wr;
48 	__u32 sges_per_send_wr;
49 	__u32 sges_per_recv_wr;
50 	__u32 sges_per_srq_wr;
51 	__u32 max_cqes;
52 	__u8 dpm_enabled;
53 	__u8 wids_enabled;
54 	__u16 wid_count;
55 };
56 
57 struct qedr_alloc_pd_ureq {
58 	__u64 rsvd1;
59 };
60 
61 struct qedr_alloc_pd_uresp {
62 	__u32 pd_id;
63 };
64 
65 struct qedr_create_cq_ureq {
66 	__u64 addr;
67 	__u64 len;
68 };
69 
70 struct qedr_create_cq_uresp {
71 	__u32 db_offset;
72 	__u16 icid;
73 };
74 
75 struct qedr_create_qp_ureq {
76 	__u32 qp_handle_hi;
77 	__u32 qp_handle_lo;
78 
79 	/* SQ */
80 	/* user space virtual address of SQ buffer */
81 	__u64 sq_addr;
82 
83 	/* length of SQ buffer */
84 	__u64 sq_len;
85 
86 	/* RQ */
87 	/* user space virtual address of RQ buffer */
88 	__u64 rq_addr;
89 
90 	/* length of RQ buffer */
91 	__u64 rq_len;
92 };
93 
94 struct qedr_create_qp_uresp {
95 	__u32 qp_id;
96 	__u32 atomic_supported;
97 
98 	/* SQ */
99 	__u32 sq_db_offset;
100 	__u16 sq_icid;
101 
102 	/* RQ */
103 	__u32 rq_db_offset;
104 	__u16 rq_icid;
105 
106 	__u32 rq_db2_offset;
107 };
108 
109 #endif /* __QEDR_USER_H__ */
110