master
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
52enum {
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
61enum 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
67enum {
68 BNXT_RE_COMP_MASK_REQ_UCNTX_POW2_SUPPORT = 0x01,
69 BNXT_RE_COMP_MASK_REQ_UCNTX_VAR_WQE_SUPPORT = 0x02,
70};
71
72struct bnxt_re_uctx_req {
73 __aligned_u64 comp_mask;
74};
75
76struct bnxt_re_uctx_resp {
77 __u32 dev_id;
78 __u32 max_qp;
79 __u32 pg_size;
80 __u32 cqe_sz;
81 __u32 max_cqd;
82 __u32 rsvd;
83 __aligned_u64 comp_mask;
84 __u32 chip_id0;
85 __u32 chip_id1;
86 __u32 mode;
87 __u32 rsvd1; /* padding */
88};
89
90/*
91 * This struct is placed after the ib_uverbs_alloc_pd_resp struct, which is
92 * not 8 byted aligned. To avoid undesired padding in various cases we have to
93 * set this struct to packed.
94 */
95struct bnxt_re_pd_resp {
96 __u32 pdid;
97 __u32 dpi;
98 __u64 dbr;
99} __attribute__((packed, aligned(4)));
100
101struct bnxt_re_cq_req {
102 __aligned_u64 cq_va;
103 __aligned_u64 cq_handle;
104};
105
106enum bnxt_re_cq_mask {
107 BNXT_RE_CQ_TOGGLE_PAGE_SUPPORT = 0x1,
108};
109
110struct bnxt_re_cq_resp {
111 __u32 cqid;
112 __u32 tail;
113 __u32 phase;
114 __u32 rsvd;
115 __aligned_u64 comp_mask;
116};
117
118struct bnxt_re_resize_cq_req {
119 __aligned_u64 cq_va;
120};
121
122enum bnxt_re_qp_mask {
123 BNXT_RE_QP_REQ_MASK_VAR_WQE_SQ_SLOTS = 0x1,
124};
125
126struct bnxt_re_qp_req {
127 __aligned_u64 qpsva;
128 __aligned_u64 qprva;
129 __aligned_u64 qp_handle;
130 __aligned_u64 comp_mask;
131 __u32 sq_slots;
132};
133
134struct bnxt_re_qp_resp {
135 __u32 qpid;
136 __u32 rsvd;
137};
138
139struct bnxt_re_srq_req {
140 __aligned_u64 srqva;
141 __aligned_u64 srq_handle;
142};
143
144enum bnxt_re_srq_mask {
145 BNXT_RE_SRQ_TOGGLE_PAGE_SUPPORT = 0x1,
146};
147
148struct bnxt_re_srq_resp {
149 __u32 srqid;
150 __u32 rsvd; /* padding */
151 __aligned_u64 comp_mask;
152};
153
154enum bnxt_re_shpg_offt {
155 BNXT_RE_BEG_RESV_OFFT = 0x00,
156 BNXT_RE_AVID_OFFT = 0x10,
157 BNXT_RE_AVID_SIZE = 0x04,
158 BNXT_RE_END_RESV_OFFT = 0xFF0
159};
160
161enum bnxt_re_objects {
162 BNXT_RE_OBJECT_ALLOC_PAGE = (1U << UVERBS_ID_NS_SHIFT),
163 BNXT_RE_OBJECT_NOTIFY_DRV,
164 BNXT_RE_OBJECT_GET_TOGGLE_MEM,
165};
166
167enum bnxt_re_alloc_page_type {
168 BNXT_RE_ALLOC_WC_PAGE = 0,
169 BNXT_RE_ALLOC_DBR_BAR_PAGE,
170 BNXT_RE_ALLOC_DBR_PAGE,
171};
172
173enum bnxt_re_var_alloc_page_attrs {
174 BNXT_RE_ALLOC_PAGE_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
175 BNXT_RE_ALLOC_PAGE_TYPE,
176 BNXT_RE_ALLOC_PAGE_DPI,
177 BNXT_RE_ALLOC_PAGE_MMAP_OFFSET,
178 BNXT_RE_ALLOC_PAGE_MMAP_LENGTH,
179};
180
181enum bnxt_re_alloc_page_attrs {
182 BNXT_RE_DESTROY_PAGE_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
183};
184
185enum bnxt_re_alloc_page_methods {
186 BNXT_RE_METHOD_ALLOC_PAGE = (1U << UVERBS_ID_NS_SHIFT),
187 BNXT_RE_METHOD_DESTROY_PAGE,
188};
189
190enum bnxt_re_notify_drv_methods {
191 BNXT_RE_METHOD_NOTIFY_DRV = (1U << UVERBS_ID_NS_SHIFT),
192};
193
194/* Toggle mem */
195
196enum bnxt_re_get_toggle_mem_type {
197 BNXT_RE_CQ_TOGGLE_MEM = 0,
198 BNXT_RE_SRQ_TOGGLE_MEM,
199};
200
201enum bnxt_re_var_toggle_mem_attrs {
202 BNXT_RE_TOGGLE_MEM_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
203 BNXT_RE_TOGGLE_MEM_TYPE,
204 BNXT_RE_TOGGLE_MEM_RES_ID,
205 BNXT_RE_TOGGLE_MEM_MMAP_PAGE,
206 BNXT_RE_TOGGLE_MEM_MMAP_OFFSET,
207 BNXT_RE_TOGGLE_MEM_MMAP_LENGTH,
208};
209
210enum bnxt_re_toggle_mem_attrs {
211 BNXT_RE_RELEASE_TOGGLE_MEM_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
212};
213
214enum bnxt_re_toggle_mem_methods {
215 BNXT_RE_METHOD_GET_TOGGLE_MEM = (1U << UVERBS_ID_NS_SHIFT),
216 BNXT_RE_METHOD_RELEASE_TOGGLE_MEM,
217};
218#endif /* __BNXT_RE_UVERBS_ABI_H__*/