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_UCNTX_CMASK_MSN_TABLE_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
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