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 BNXT_RE_COMP_MASK_REQ_UCNTX_VAR_WQE_SUPPORT = 0x02, 70 }; 71 72 struct bnxt_re_uctx_req { 73 __aligned_u64 comp_mask; 74 }; 75 76 struct 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 */ 95 struct bnxt_re_pd_resp { 96 __u32 pdid; 97 __u32 dpi; 98 __u64 dbr; 99 } __attribute__((packed, aligned(4))); 100 101 struct bnxt_re_cq_req { 102 __aligned_u64 cq_va; 103 __aligned_u64 cq_handle; 104 }; 105 106 enum bnxt_re_cq_mask { 107 BNXT_RE_CQ_TOGGLE_PAGE_SUPPORT = 0x1, 108 }; 109 110 struct bnxt_re_cq_resp { 111 __u32 cqid; 112 __u32 tail; 113 __u32 phase; 114 __u32 rsvd; 115 __aligned_u64 comp_mask; 116 }; 117 118 struct bnxt_re_resize_cq_req { 119 __aligned_u64 cq_va; 120 }; 121 122 enum bnxt_re_qp_mask { 123 BNXT_RE_QP_REQ_MASK_VAR_WQE_SQ_SLOTS = 0x1, 124 }; 125 126 struct 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 }; 133 134 struct bnxt_re_qp_resp { 135 __u32 qpid; 136 __u32 rsvd; 137 }; 138 139 struct bnxt_re_srq_req { 140 __aligned_u64 srqva; 141 __aligned_u64 srq_handle; 142 }; 143 144 enum bnxt_re_srq_mask { 145 BNXT_RE_SRQ_TOGGLE_PAGE_SUPPORT = 0x1, 146 }; 147 148 struct bnxt_re_srq_resp { 149 __u32 srqid; 150 __u32 rsvd; /* padding */ 151 __aligned_u64 comp_mask; 152 }; 153 154 enum 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 }; 160 161 enum 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 }; 166 167 enum 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 }; 172 173 enum 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 }; 180 181 enum bnxt_re_alloc_page_attrs { 182 BNXT_RE_DESTROY_PAGE_HANDLE = (1U << UVERBS_ID_NS_SHIFT), 183 }; 184 185 enum bnxt_re_alloc_page_methods { 186 BNXT_RE_METHOD_ALLOC_PAGE = (1U << UVERBS_ID_NS_SHIFT), 187 BNXT_RE_METHOD_DESTROY_PAGE, 188 }; 189 190 enum bnxt_re_notify_drv_methods { 191 BNXT_RE_METHOD_NOTIFY_DRV = (1U << UVERBS_ID_NS_SHIFT), 192 }; 193 194 /* Toggle mem */ 195 196 enum bnxt_re_get_toggle_mem_type { 197 BNXT_RE_CQ_TOGGLE_MEM = 0, 198 BNXT_RE_SRQ_TOGGLE_MEM, 199 }; 200 201 enum 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 }; 209 210 enum bnxt_re_toggle_mem_attrs { 211 BNXT_RE_RELEASE_TOGGLE_MEM_HANDLE = (1U << UVERBS_ID_NS_SHIFT), 212 }; 213 214 enum 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__*/ 219