summaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/hw/ocrdma/ocrdma_abi.h
blob: 430b1350fe96ecd1eb16a67f18c2bc3a8e6afa80 (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
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
/* This file is part of the Emulex RoCE Device Driver for
 * RoCE (RDMA over Converged Ethernet) adapters.
 * Copyright (C) 2012-2015 Emulex. All rights reserved.
 * EMULEX and SLI are trademarks of Emulex.
 * www.emulex.com
 *
 * 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 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Contact Information:
 * linux-drivers@emulex.com
 *
 * Emulex
 * 3333 Susan Street
 * Costa Mesa, CA 92626
 */

#ifndef __OCRDMA_ABI_H__
#define __OCRDMA_ABI_H__

#define OCRDMA_ABI_VERSION 2
#define OCRDMA_BE_ROCE_ABI_VERSION 1
/* user kernel communication data structures. */

struct ocrdma_alloc_ucontext_resp {
	u32 dev_id;
	u32 wqe_size;
	u32 max_inline_data;
	u32 dpp_wqe_size;
	u64 ah_tbl_page;
	u32 ah_tbl_len;
	u32 rqe_size;
	u8 fw_ver[32];
	/* for future use/new features in progress */
	u64 rsvd1;
	u64 rsvd2;
};

struct ocrdma_alloc_pd_ureq {
	u64 rsvd1;
};

struct ocrdma_alloc_pd_uresp {
	u32 id;
	u32 dpp_enabled;
	u32 dpp_page_addr_hi;
	u32 dpp_page_addr_lo;
	u64 rsvd1;
};

struct ocrdma_create_cq_ureq {
	u32 dpp_cq;
	u32 rsvd; /* pad */
};

#define MAX_CQ_PAGES 8
struct ocrdma_create_cq_uresp {
	u32 cq_id;
	u32 page_size;
	u32 num_pages;
	u32 max_hw_cqe;
	u64 page_addr[MAX_CQ_PAGES];
	u64 db_page_addr;
	u32 db_page_size;
	u32 phase_change;
	/* for future use/new features in progress */
	u64 rsvd1;
	u64 rsvd2;
};

#define MAX_QP_PAGES 8
#define MAX_UD_AV_PAGES 8

struct ocrdma_create_qp_ureq {
	u8 enable_dpp_cq;
	u8 rsvd;
	u16 dpp_cq_id;
	u32 rsvd1;	/* pad */
};

struct ocrdma_create_qp_uresp {
	u16 qp_id;
	u16 sq_dbid;
	u16 rq_dbid;
	u16 resv0;	/* pad */
	u32 sq_page_size;
	u32 rq_page_size;
	u32 num_sq_pages;
	u32 num_rq_pages;
	u64 sq_page_addr[MAX_QP_PAGES];
	u64 rq_page_addr[MAX_QP_PAGES];
	u64 db_page_addr;
	u32 db_page_size;
	u32 dpp_credit;
	u32 dpp_offset;
	u32 num_wqe_allocated;
	u32 num_rqe_allocated;
	u32 db_sq_offset;
	u32 db_rq_offset;
	u32 db_shift;
	u64 rsvd[11];
} __packed;

struct ocrdma_create_srq_uresp {
	u16 rq_dbid;
	u16 resv0;	/* pad */
	u32 resv1;

	u32 rq_page_size;
	u32 num_rq_pages;

	u64 rq_page_addr[MAX_QP_PAGES];
	u64 db_page_addr;

	u32 db_page_size;
	u32 num_rqe_allocated;
	u32 db_rq_offset;
	u32 db_shift;

	u64 rsvd2;
	u64 rsvd3;
};

#endif				/* __OCRDMA_ABI_H__ */