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Linux kernel mirror (for testing)
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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
51enum {
52 BNXT_RE_UCNTX_CMASK_HAVE_CCTX = 0x1ULL,
53 BNXT_RE_UCNTX_CMASK_HAVE_MODE = 0x02ULL,
54};
55
56enum bnxt_re_wqe_mode {
57 BNXT_QPLIB_WQE_MODE_STATIC = 0x00,
58 BNXT_QPLIB_WQE_MODE_VARIABLE = 0x01,
59 BNXT_QPLIB_WQE_MODE_INVALID = 0x02,
60};
61
62struct bnxt_re_uctx_resp {
63 __u32 dev_id;
64 __u32 max_qp;
65 __u32 pg_size;
66 __u32 cqe_sz;
67 __u32 max_cqd;
68 __u32 rsvd;
69 __aligned_u64 comp_mask;
70 __u32 chip_id0;
71 __u32 chip_id1;
72 __u32 mode;
73 __u32 rsvd1; /* padding */
74};
75
76/*
77 * This struct is placed after the ib_uverbs_alloc_pd_resp struct, which is
78 * not 8 byted aligned. To avoid undesired padding in various cases we have to
79 * set this struct to packed.
80 */
81struct bnxt_re_pd_resp {
82 __u32 pdid;
83 __u32 dpi;
84 __u64 dbr;
85} __attribute__((packed, aligned(4)));
86
87struct bnxt_re_cq_req {
88 __aligned_u64 cq_va;
89 __aligned_u64 cq_handle;
90};
91
92struct bnxt_re_cq_resp {
93 __u32 cqid;
94 __u32 tail;
95 __u32 phase;
96 __u32 rsvd;
97};
98
99struct bnxt_re_qp_req {
100 __aligned_u64 qpsva;
101 __aligned_u64 qprva;
102 __aligned_u64 qp_handle;
103};
104
105struct bnxt_re_qp_resp {
106 __u32 qpid;
107 __u32 rsvd;
108};
109
110struct bnxt_re_srq_req {
111 __aligned_u64 srqva;
112 __aligned_u64 srq_handle;
113};
114
115struct bnxt_re_srq_resp {
116 __u32 srqid;
117};
118
119enum bnxt_re_shpg_offt {
120 BNXT_RE_BEG_RESV_OFFT = 0x00,
121 BNXT_RE_AVID_OFFT = 0x10,
122 BNXT_RE_AVID_SIZE = 0x04,
123 BNXT_RE_END_RESV_OFFT = 0xFF0
124};
125
126#endif /* __BNXT_RE_UVERBS_ABI_H__*/