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 BNXT_RE_UCNTX_CMASK_QP_RATE_LIMIT_ENABLED = 0x80ULL, 60 }; 61 62 enum bnxt_re_wqe_mode { 63 BNXT_QPLIB_WQE_MODE_STATIC = 0x00, 64 BNXT_QPLIB_WQE_MODE_VARIABLE = 0x01, 65 BNXT_QPLIB_WQE_MODE_INVALID = 0x02, 66 }; 67 68 enum { 69 BNXT_RE_COMP_MASK_REQ_UCNTX_POW2_SUPPORT = 0x01, 70 BNXT_RE_COMP_MASK_REQ_UCNTX_VAR_WQE_SUPPORT = 0x02, 71 }; 72 73 struct bnxt_re_uctx_req { 74 __aligned_u64 comp_mask; 75 }; 76 77 struct bnxt_re_uctx_resp { 78 __u32 dev_id; 79 __u32 max_qp; 80 __u32 pg_size; 81 __u32 cqe_sz; 82 __u32 max_cqd; 83 __u32 rsvd; 84 __aligned_u64 comp_mask; 85 __u32 chip_id0; 86 __u32 chip_id1; 87 __u32 mode; 88 __u32 rsvd1; /* padding */ 89 }; 90 91 /* 92 * This struct is placed after the ib_uverbs_alloc_pd_resp struct, which is 93 * not 8 byted aligned. To avoid undesired padding in various cases we have to 94 * set this struct to packed. 95 */ 96 struct bnxt_re_pd_resp { 97 __u32 pdid; 98 __u32 dpi; 99 __u64 dbr; 100 } __attribute__((packed, aligned(4))); 101 102 struct bnxt_re_cq_req { 103 __aligned_u64 cq_va; 104 __aligned_u64 cq_handle; 105 __aligned_u64 comp_mask; 106 }; 107 108 enum bnxt_re_resp_cq_mask { 109 BNXT_RE_CQ_TOGGLE_PAGE_SUPPORT = 0x1, 110 }; 111 112 enum bnxt_re_req_cq_mask { 113 BNXT_RE_CQ_FIXED_NUM_CQE_ENABLE = 0x1, 114 }; 115 116 struct bnxt_re_cq_resp { 117 __u32 cqid; 118 __u32 tail; 119 __u32 phase; 120 __u32 rsvd; 121 __aligned_u64 comp_mask; 122 }; 123 124 struct bnxt_re_resize_cq_req { 125 __aligned_u64 cq_va; 126 }; 127 128 enum bnxt_re_qp_mask { 129 BNXT_RE_QP_REQ_MASK_FIXED_QUE_ATTR = 0x1, 130 }; 131 132 struct bnxt_re_qp_req { 133 __aligned_u64 qpsva; 134 __aligned_u64 qprva; 135 __aligned_u64 qp_handle; 136 __aligned_u64 comp_mask; 137 __u32 sq_slots; 138 __u32 sq_npsn; 139 }; 140 141 enum bnxt_re_create_qp_attrs { 142 BNXT_RE_CREATE_QP_ATTR_DBR_HANDLE = UVERBS_ID_DRIVER_NS_WITH_UHW, 143 }; 144 145 struct bnxt_re_qp_resp { 146 __u32 qpid; 147 __u32 rsvd; 148 }; 149 150 struct bnxt_re_srq_req { 151 __aligned_u64 srqva; 152 __aligned_u64 srq_handle; 153 }; 154 155 enum bnxt_re_srq_mask { 156 BNXT_RE_SRQ_TOGGLE_PAGE_SUPPORT = 0x1, 157 }; 158 159 struct bnxt_re_srq_resp { 160 __u32 srqid; 161 __u32 rsvd; /* padding */ 162 __aligned_u64 comp_mask; 163 }; 164 165 enum bnxt_re_shpg_offt { 166 BNXT_RE_BEG_RESV_OFFT = 0x00, 167 BNXT_RE_AVID_OFFT = 0x10, 168 BNXT_RE_AVID_SIZE = 0x04, 169 BNXT_RE_END_RESV_OFFT = 0xFF0 170 }; 171 172 enum bnxt_re_objects { 173 BNXT_RE_OBJECT_ALLOC_PAGE = (1U << UVERBS_ID_NS_SHIFT), 174 BNXT_RE_OBJECT_NOTIFY_DRV, 175 BNXT_RE_OBJECT_GET_TOGGLE_MEM, 176 BNXT_RE_OBJECT_DBR, 177 BNXT_RE_OBJECT_DEFAULT_DBR, 178 }; 179 180 enum bnxt_re_alloc_page_type { 181 BNXT_RE_ALLOC_WC_PAGE = 0, 182 BNXT_RE_ALLOC_DBR_BAR_PAGE, 183 BNXT_RE_ALLOC_DBR_PAGE, 184 }; 185 186 enum bnxt_re_var_alloc_page_attrs { 187 BNXT_RE_ALLOC_PAGE_HANDLE = (1U << UVERBS_ID_NS_SHIFT), 188 BNXT_RE_ALLOC_PAGE_TYPE, 189 BNXT_RE_ALLOC_PAGE_DPI, 190 BNXT_RE_ALLOC_PAGE_MMAP_OFFSET, 191 BNXT_RE_ALLOC_PAGE_MMAP_LENGTH, 192 }; 193 194 enum bnxt_re_alloc_page_attrs { 195 BNXT_RE_DESTROY_PAGE_HANDLE = (1U << UVERBS_ID_NS_SHIFT), 196 }; 197 198 enum bnxt_re_alloc_page_methods { 199 BNXT_RE_METHOD_ALLOC_PAGE = (1U << UVERBS_ID_NS_SHIFT), 200 BNXT_RE_METHOD_DESTROY_PAGE, 201 }; 202 203 enum bnxt_re_notify_drv_methods { 204 BNXT_RE_METHOD_NOTIFY_DRV = (1U << UVERBS_ID_NS_SHIFT), 205 }; 206 207 /* Toggle mem */ 208 209 enum bnxt_re_get_toggle_mem_type { 210 BNXT_RE_CQ_TOGGLE_MEM = 0, 211 BNXT_RE_SRQ_TOGGLE_MEM, 212 }; 213 214 enum bnxt_re_var_toggle_mem_attrs { 215 BNXT_RE_TOGGLE_MEM_HANDLE = (1U << UVERBS_ID_NS_SHIFT), 216 BNXT_RE_TOGGLE_MEM_TYPE, 217 BNXT_RE_TOGGLE_MEM_RES_ID, 218 BNXT_RE_TOGGLE_MEM_MMAP_PAGE, 219 BNXT_RE_TOGGLE_MEM_MMAP_OFFSET, 220 BNXT_RE_TOGGLE_MEM_MMAP_LENGTH, 221 }; 222 223 enum bnxt_re_toggle_mem_attrs { 224 BNXT_RE_RELEASE_TOGGLE_MEM_HANDLE = (1U << UVERBS_ID_NS_SHIFT), 225 }; 226 227 enum bnxt_re_toggle_mem_methods { 228 BNXT_RE_METHOD_GET_TOGGLE_MEM = (1U << UVERBS_ID_NS_SHIFT), 229 BNXT_RE_METHOD_RELEASE_TOGGLE_MEM, 230 }; 231 232 struct bnxt_re_packet_pacing_caps { 233 __u32 qp_rate_limit_min; 234 __u32 qp_rate_limit_max; /* In kbps */ 235 /* Corresponding bit will be set if qp type from 236 * 'enum ib_qp_type' is supported, e.g. 237 * supported_qpts |= 1 << IB_QPT_RC 238 */ 239 __u32 supported_qpts; 240 __u32 reserved; 241 }; 242 243 struct bnxt_re_query_device_ex_resp { 244 struct bnxt_re_packet_pacing_caps packet_pacing_caps; 245 }; 246 247 struct bnxt_re_db_region { 248 __u32 dpi; 249 __u32 reserved; 250 __aligned_u64 umdbr; 251 }; 252 253 enum bnxt_re_obj_dbr_alloc_attrs { 254 BNXT_RE_ALLOC_DBR_HANDLE = (1U << UVERBS_ID_NS_SHIFT), 255 BNXT_RE_ALLOC_DBR_ATTR, 256 BNXT_RE_ALLOC_DBR_OFFSET, 257 }; 258 259 enum bnxt_re_obj_dbr_free_attrs { 260 BNXT_RE_FREE_DBR_HANDLE = (1U << UVERBS_ID_NS_SHIFT), 261 }; 262 263 enum bnxt_re_obj_default_dbr_attrs { 264 BNXT_RE_DEFAULT_DBR_ATTR = (1U << UVERBS_ID_NS_SHIFT), 265 }; 266 267 enum bnxt_re_obj_dpi_methods { 268 BNXT_RE_METHOD_DBR_ALLOC = (1U << UVERBS_ID_NS_SHIFT), 269 BNXT_RE_METHOD_DBR_FREE, 270 BNXT_RE_METHOD_GET_DEFAULT_DBR, 271 }; 272 273 #endif /* __BNXT_RE_UVERBS_ABI_H__*/ 274