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 | #include <rdma/ib_user_ioctl_cmds.h> |
45 | |
46 | #define BNXT_RE_ABI_VERSION 1 |
47 | |
48 | #define BNXT_RE_CHIP_ID0_CHIP_NUM_SFT 0x00 |
49 | #define BNXT_RE_CHIP_ID0_CHIP_REV_SFT 0x10 |
50 | #define BNXT_RE_CHIP_ID0_CHIP_MET_SFT 0x18 |
51 | |
52 | enum { |
53 | BNXT_RE_UCNTX_CMASK_HAVE_CCTX = 0x1ULL, |
54 | BNXT_RE_UCNTX_CMASK_HAVE_MODE = 0x02ULL, |
55 | BNXT_RE_UCNTX_CMASK_WC_DPI_ENABLED = 0x04ULL, |
56 | BNXT_RE_UCNTX_CMASK_DBR_PACING_ENABLED = 0x08ULL, |
57 | BNXT_RE_UCNTX_CMASK_POW2_DISABLED = 0x10ULL, |
58 | BNXT_RE_COMP_MASK_UCNTX_HW_RETX_ENABLED = 0x40, |
59 | }; |
60 | |
61 | enum bnxt_re_wqe_mode { |
62 | BNXT_QPLIB_WQE_MODE_STATIC = 0x00, |
63 | BNXT_QPLIB_WQE_MODE_VARIABLE = 0x01, |
64 | BNXT_QPLIB_WQE_MODE_INVALID = 0x02, |
65 | }; |
66 | |
67 | enum { |
68 | BNXT_RE_COMP_MASK_REQ_UCNTX_POW2_SUPPORT = 0x01, |
69 | }; |
70 | |
71 | struct bnxt_re_uctx_req { |
72 | __aligned_u64 comp_mask; |
73 | }; |
74 | |
75 | struct bnxt_re_uctx_resp { |
76 | __u32 dev_id; |
77 | __u32 max_qp; |
78 | __u32 pg_size; |
79 | __u32 cqe_sz; |
80 | __u32 max_cqd; |
81 | __u32 rsvd; |
82 | __aligned_u64 comp_mask; |
83 | __u32 chip_id0; |
84 | __u32 chip_id1; |
85 | __u32 mode; |
86 | __u32 rsvd1; /* padding */ |
87 | }; |
88 | |
89 | /* |
90 | * This struct is placed after the ib_uverbs_alloc_pd_resp struct, which is |
91 | * not 8 byted aligned. To avoid undesired padding in various cases we have to |
92 | * set this struct to packed. |
93 | */ |
94 | struct bnxt_re_pd_resp { |
95 | __u32 pdid; |
96 | __u32 dpi; |
97 | __u64 dbr; |
98 | } __attribute__((packed, aligned(4))); |
99 | |
100 | struct bnxt_re_cq_req { |
101 | __aligned_u64 cq_va; |
102 | __aligned_u64 cq_handle; |
103 | }; |
104 | |
105 | enum bnxt_re_cq_mask { |
106 | BNXT_RE_CQ_TOGGLE_PAGE_SUPPORT = 0x1, |
107 | }; |
108 | |
109 | struct bnxt_re_cq_resp { |
110 | __u32 cqid; |
111 | __u32 tail; |
112 | __u32 phase; |
113 | __u32 rsvd; |
114 | __aligned_u64 comp_mask; |
115 | }; |
116 | |
117 | struct bnxt_re_resize_cq_req { |
118 | __aligned_u64 cq_va; |
119 | }; |
120 | |
121 | struct bnxt_re_qp_req { |
122 | __aligned_u64 qpsva; |
123 | __aligned_u64 qprva; |
124 | __aligned_u64 qp_handle; |
125 | }; |
126 | |
127 | struct bnxt_re_qp_resp { |
128 | __u32 qpid; |
129 | __u32 rsvd; |
130 | }; |
131 | |
132 | struct bnxt_re_srq_req { |
133 | __aligned_u64 srqva; |
134 | __aligned_u64 srq_handle; |
135 | }; |
136 | |
137 | struct bnxt_re_srq_resp { |
138 | __u32 srqid; |
139 | }; |
140 | |
141 | enum bnxt_re_shpg_offt { |
142 | BNXT_RE_BEG_RESV_OFFT = 0x00, |
143 | BNXT_RE_AVID_OFFT = 0x10, |
144 | BNXT_RE_AVID_SIZE = 0x04, |
145 | BNXT_RE_END_RESV_OFFT = 0xFF0 |
146 | }; |
147 | |
148 | enum bnxt_re_objects { |
149 | BNXT_RE_OBJECT_ALLOC_PAGE = (1U << UVERBS_ID_NS_SHIFT), |
150 | BNXT_RE_OBJECT_NOTIFY_DRV, |
151 | BNXT_RE_OBJECT_GET_TOGGLE_MEM, |
152 | }; |
153 | |
154 | enum bnxt_re_alloc_page_type { |
155 | BNXT_RE_ALLOC_WC_PAGE = 0, |
156 | BNXT_RE_ALLOC_DBR_BAR_PAGE, |
157 | BNXT_RE_ALLOC_DBR_PAGE, |
158 | }; |
159 | |
160 | enum bnxt_re_var_alloc_page_attrs { |
161 | BNXT_RE_ALLOC_PAGE_HANDLE = (1U << UVERBS_ID_NS_SHIFT), |
162 | BNXT_RE_ALLOC_PAGE_TYPE, |
163 | BNXT_RE_ALLOC_PAGE_DPI, |
164 | BNXT_RE_ALLOC_PAGE_MMAP_OFFSET, |
165 | BNXT_RE_ALLOC_PAGE_MMAP_LENGTH, |
166 | }; |
167 | |
168 | enum bnxt_re_alloc_page_attrs { |
169 | BNXT_RE_DESTROY_PAGE_HANDLE = (1U << UVERBS_ID_NS_SHIFT), |
170 | }; |
171 | |
172 | enum bnxt_re_alloc_page_methods { |
173 | BNXT_RE_METHOD_ALLOC_PAGE = (1U << UVERBS_ID_NS_SHIFT), |
174 | BNXT_RE_METHOD_DESTROY_PAGE, |
175 | }; |
176 | |
177 | enum bnxt_re_notify_drv_methods { |
178 | BNXT_RE_METHOD_NOTIFY_DRV = (1U << UVERBS_ID_NS_SHIFT), |
179 | }; |
180 | |
181 | /* Toggle mem */ |
182 | |
183 | enum bnxt_re_get_toggle_mem_type { |
184 | BNXT_RE_CQ_TOGGLE_MEM = 0, |
185 | BNXT_RE_SRQ_TOGGLE_MEM, |
186 | }; |
187 | |
188 | enum bnxt_re_var_toggle_mem_attrs { |
189 | BNXT_RE_TOGGLE_MEM_HANDLE = (1U << UVERBS_ID_NS_SHIFT), |
190 | BNXT_RE_TOGGLE_MEM_TYPE, |
191 | BNXT_RE_TOGGLE_MEM_RES_ID, |
192 | BNXT_RE_TOGGLE_MEM_MMAP_PAGE, |
193 | BNXT_RE_TOGGLE_MEM_MMAP_OFFSET, |
194 | BNXT_RE_TOGGLE_MEM_MMAP_LENGTH, |
195 | }; |
196 | |
197 | enum bnxt_re_toggle_mem_attrs { |
198 | BNXT_RE_RELEASE_TOGGLE_MEM_HANDLE = (1U << UVERBS_ID_NS_SHIFT), |
199 | }; |
200 | |
201 | enum bnxt_re_toggle_mem_methods { |
202 | BNXT_RE_METHOD_GET_TOGGLE_MEM = (1U << UVERBS_ID_NS_SHIFT), |
203 | BNXT_RE_METHOD_RELEASE_TOGGLE_MEM, |
204 | }; |
205 | #endif /* __BNXT_RE_UVERBS_ABI_H__*/ |
206 | |