summaryrefslogtreecommitdiffstats
path: root/include/uapi/rdma/qedr-abi.h
blob: 24c658b3c7904297c1098937d451944642999460 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
/* QLogic qedr NIC Driver
 * Copyright (c) 2015-2016  QLogic Corporation
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and /or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
#ifndef __QEDR_USER_H__
#define __QEDR_USER_H__

#include <linux/types.h>

#define QEDR_ABI_VERSION		(8)

/* user kernel communication data structures. */

struct qedr_alloc_ucontext_resp {
	__aligned_u64 db_pa;
	__u32 db_size;

	__u32 max_send_wr;
	__u32 max_recv_wr;
	__u32 max_srq_wr;
	__u32 sges_per_send_wr;
	__u32 sges_per_recv_wr;
	__u32 sges_per_srq_wr;
	__u32 max_cqes;
	__u8 dpm_enabled;
	__u8 wids_enabled;
	__u16 wid_count;
	__u32 reserved;
};

struct qedr_alloc_pd_ureq {
	__aligned_u64 rsvd1;
};

struct qedr_alloc_pd_uresp {
	__u32 pd_id;
	__u32 reserved;
};

struct qedr_create_cq_ureq {
	__aligned_u64 addr;
	__aligned_u64 len;
};

struct qedr_create_cq_uresp {
	__u32 db_offset;
	__u16 icid;
	__u16 reserved;
};

struct qedr_create_qp_ureq {
	__u32 qp_handle_hi;
	__u32 qp_handle_lo;

	/* SQ */
	/* user space virtual address of SQ buffer */
	__aligned_u64 sq_addr;

	/* length of SQ buffer */
	__aligned_u64 sq_len;

	/* RQ */
	/* user space virtual address of RQ buffer */
	__aligned_u64 rq_addr;

	/* length of RQ buffer */
	__aligned_u64 rq_len;
};

struct qedr_create_qp_uresp {
	__u32 qp_id;
	__u32 atomic_supported;

	/* SQ */
	__u32 sq_db_offset;
	__u16 sq_icid;

	/* RQ */
	__u32 rq_db_offset;
	__u16 rq_icid;

	__u32 rq_db2_offset;
	__u32 reserved;
};

#endif /* __QEDR_USER_H__ */