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 }; 58 59 enum bnxt_re_wqe_mode { 60 BNXT_QPLIB_WQE_MODE_STATIC = 0x00, 61 BNXT_QPLIB_WQE_MODE_VARIABLE = 0x01, 62 BNXT_QPLIB_WQE_MODE_INVALID = 0x02, 63 }; 64 65 struct bnxt_re_uctx_resp { 66 __u32 dev_id; 67 __u32 max_qp; 68 __u32 pg_size; 69 __u32 cqe_sz; 70 __u32 max_cqd; 71 __u32 rsvd; 72 __aligned_u64 comp_mask; 73 __u32 chip_id0; 74 __u32 chip_id1; 75 __u32 mode; 76 __u32 rsvd1; /* padding */ 77 }; 78 79 /* 80 * This struct is placed after the ib_uverbs_alloc_pd_resp struct, which is 81 * not 8 byted aligned. To avoid undesired padding in various cases we have to 82 * set this struct to packed. 83 */ 84 struct bnxt_re_pd_resp { 85 __u32 pdid; 86 __u32 dpi; 87 __u64 dbr; 88 } __attribute__((packed, aligned(4))); 89 90 struct bnxt_re_cq_req { 91 __aligned_u64 cq_va; 92 __aligned_u64 cq_handle; 93 }; 94 95 struct bnxt_re_cq_resp { 96 __u32 cqid; 97 __u32 tail; 98 __u32 phase; 99 __u32 rsvd; 100 }; 101 102 struct bnxt_re_resize_cq_req { 103 __aligned_u64 cq_va; 104 }; 105 106 struct bnxt_re_qp_req { 107 __aligned_u64 qpsva; 108 __aligned_u64 qprva; 109 __aligned_u64 qp_handle; 110 }; 111 112 struct bnxt_re_qp_resp { 113 __u32 qpid; 114 __u32 rsvd; 115 }; 116 117 struct bnxt_re_srq_req { 118 __aligned_u64 srqva; 119 __aligned_u64 srq_handle; 120 }; 121 122 struct bnxt_re_srq_resp { 123 __u32 srqid; 124 }; 125 126 enum bnxt_re_shpg_offt { 127 BNXT_RE_BEG_RESV_OFFT = 0x00, 128 BNXT_RE_AVID_OFFT = 0x10, 129 BNXT_RE_AVID_SIZE = 0x04, 130 BNXT_RE_END_RESV_OFFT = 0xFF0 131 }; 132 133 enum bnxt_re_objects { 134 BNXT_RE_OBJECT_ALLOC_PAGE = (1U << UVERBS_ID_NS_SHIFT), 135 BNXT_RE_OBJECT_NOTIFY_DRV, 136 }; 137 138 enum bnxt_re_alloc_page_type { 139 BNXT_RE_ALLOC_WC_PAGE = 0, 140 BNXT_RE_ALLOC_DBR_BAR_PAGE, 141 BNXT_RE_ALLOC_DBR_PAGE, 142 }; 143 144 enum bnxt_re_var_alloc_page_attrs { 145 BNXT_RE_ALLOC_PAGE_HANDLE = (1U << UVERBS_ID_NS_SHIFT), 146 BNXT_RE_ALLOC_PAGE_TYPE, 147 BNXT_RE_ALLOC_PAGE_DPI, 148 BNXT_RE_ALLOC_PAGE_MMAP_OFFSET, 149 BNXT_RE_ALLOC_PAGE_MMAP_LENGTH, 150 }; 151 152 enum bnxt_re_alloc_page_attrs { 153 BNXT_RE_DESTROY_PAGE_HANDLE = (1U << UVERBS_ID_NS_SHIFT), 154 }; 155 156 enum bnxt_re_alloc_page_methods { 157 BNXT_RE_METHOD_ALLOC_PAGE = (1U << UVERBS_ID_NS_SHIFT), 158 BNXT_RE_METHOD_DESTROY_PAGE, 159 }; 160 161 enum bnxt_re_notify_drv_methods { 162 BNXT_RE_METHOD_NOTIFY_DRV = (1U << UVERBS_ID_NS_SHIFT), 163 }; 164 #endif /* __BNXT_RE_UVERBS_ABI_H__*/ 165