1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
2 /*
3 * Broadcom NetXtreme-E RoCE driver.
4 *
5 * Copyright (c) 2016 - 2017, Broadcom. All rights reserved. The term
6 * Broadcom refers to Broadcom Limited and/or its subsidiaries.
7 *
8 * This software is available to you under a choice of one of two
9 * licenses. You may choose to be licensed under the terms of the GNU
10 * General Public License (GPL) Version 2, available from the file
11 * COPYING in the main directory of this source tree, or the
12 * BSD license below:
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 *
18 * 1. Redistributions of source code must retain the above copyright
19 * notice, this list of conditions and the following disclaimer.
20 * 2. Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in
22 * the documentation and/or other materials provided with the
23 * distribution.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
27 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
32 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
33 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
34 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
35 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 * Description: Uverbs ABI header file
38 */
39
40 #ifndef __BNXT_RE_UVERBS_ABI_H__
41 #define __BNXT_RE_UVERBS_ABI_H__
42
43 #include <linux/types.h>
44
45 #define BNXT_RE_ABI_VERSION 1
46
47 #define BNXT_RE_CHIP_ID0_CHIP_NUM_SFT 0x00
48 #define BNXT_RE_CHIP_ID0_CHIP_REV_SFT 0x10
49 #define BNXT_RE_CHIP_ID0_CHIP_MET_SFT 0x18
50
51 enum {
52 BNXT_RE_UCNTX_CMASK_HAVE_CCTX = 0x1ULL
53 };
54
55 struct bnxt_re_uctx_resp {
56 __u32 dev_id;
57 __u32 max_qp;
58 __u32 pg_size;
59 __u32 cqe_sz;
60 __u32 max_cqd;
61 __u32 rsvd;
62 __aligned_u64 comp_mask;
63 __u32 chip_id0;
64 __u32 chip_id1;
65 };
66
67 /*
68 * This struct is placed after the ib_uverbs_alloc_pd_resp struct, which is
69 * not 8 byted aligned. To avoid undesired padding in various cases we have to
70 * set this struct to packed.
71 */
72 struct bnxt_re_pd_resp {
73 __u32 pdid;
74 __u32 dpi;
75 __u64 dbr;
76 } __attribute__((packed, aligned(4)));
77
78 struct bnxt_re_cq_req {
79 __aligned_u64 cq_va;
80 __aligned_u64 cq_handle;
81 };
82
83 struct bnxt_re_cq_resp {
84 __u32 cqid;
85 __u32 tail;
86 __u32 phase;
87 __u32 rsvd;
88 };
89
90 struct bnxt_re_qp_req {
91 __aligned_u64 qpsva;
92 __aligned_u64 qprva;
93 __aligned_u64 qp_handle;
94 };
95
96 struct bnxt_re_qp_resp {
97 __u32 qpid;
98 __u32 rsvd;
99 };
100
101 struct bnxt_re_srq_req {
102 __aligned_u64 srqva;
103 __aligned_u64 srq_handle;
104 };
105
106 struct bnxt_re_srq_resp {
107 __u32 srqid;
108 };
109
110 enum bnxt_re_shpg_offt {
111 BNXT_RE_BEG_RESV_OFFT = 0x00,
112 BNXT_RE_AVID_OFFT = 0x10,
113 BNXT_RE_AVID_SIZE = 0x04,
114 BNXT_RE_END_RESV_OFFT = 0xFF0
115 };
116
117 #endif /* __BNXT_RE_UVERBS_ABI_H__*/