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 }; 57 58 enum bnxt_re_wqe_mode { 59 BNXT_QPLIB_WQE_MODE_STATIC = 0x00, 60 BNXT_QPLIB_WQE_MODE_VARIABLE = 0x01, 61 BNXT_QPLIB_WQE_MODE_INVALID = 0x02, 62 }; 63 64 struct bnxt_re_uctx_resp { 65 __u32 dev_id; 66 __u32 max_qp; 67 __u32 pg_size; 68 __u32 cqe_sz; 69 __u32 max_cqd; 70 __u32 rsvd; 71 __aligned_u64 comp_mask; 72 __u32 chip_id0; 73 __u32 chip_id1; 74 __u32 mode; 75 __u32 rsvd1; /* padding */ 76 }; 77 78 /* 79 * This struct is placed after the ib_uverbs_alloc_pd_resp struct, which is 80 * not 8 byted aligned. To avoid undesired padding in various cases we have to 81 * set this struct to packed. 82 */ 83 struct bnxt_re_pd_resp { 84 __u32 pdid; 85 __u32 dpi; 86 __u64 dbr; 87 } __attribute__((packed, aligned(4))); 88 89 struct bnxt_re_cq_req { 90 __aligned_u64 cq_va; 91 __aligned_u64 cq_handle; 92 }; 93 94 struct bnxt_re_cq_resp { 95 __u32 cqid; 96 __u32 tail; 97 __u32 phase; 98 __u32 rsvd; 99 }; 100 101 struct bnxt_re_resize_cq_req { 102 __aligned_u64 cq_va; 103 }; 104 105 struct bnxt_re_qp_req { 106 __aligned_u64 qpsva; 107 __aligned_u64 qprva; 108 __aligned_u64 qp_handle; 109 }; 110 111 struct bnxt_re_qp_resp { 112 __u32 qpid; 113 __u32 rsvd; 114 }; 115 116 struct bnxt_re_srq_req { 117 __aligned_u64 srqva; 118 __aligned_u64 srq_handle; 119 }; 120 121 struct bnxt_re_srq_resp { 122 __u32 srqid; 123 }; 124 125 enum bnxt_re_shpg_offt { 126 BNXT_RE_BEG_RESV_OFFT = 0x00, 127 BNXT_RE_AVID_OFFT = 0x10, 128 BNXT_RE_AVID_SIZE = 0x04, 129 BNXT_RE_END_RESV_OFFT = 0xFF0 130 }; 131 132 enum bnxt_re_objects { 133 BNXT_RE_OBJECT_ALLOC_PAGE = (1U << UVERBS_ID_NS_SHIFT), 134 }; 135 136 enum bnxt_re_alloc_page_type { 137 BNXT_RE_ALLOC_WC_PAGE = 0, 138 }; 139 140 enum bnxt_re_var_alloc_page_attrs { 141 BNXT_RE_ALLOC_PAGE_HANDLE = (1U << UVERBS_ID_NS_SHIFT), 142 BNXT_RE_ALLOC_PAGE_TYPE, 143 BNXT_RE_ALLOC_PAGE_DPI, 144 BNXT_RE_ALLOC_PAGE_MMAP_OFFSET, 145 BNXT_RE_ALLOC_PAGE_MMAP_LENGTH, 146 }; 147 148 enum bnxt_re_alloc_page_attrs { 149 BNXT_RE_DESTROY_PAGE_HANDLE = (1U << UVERBS_ID_NS_SHIFT), 150 }; 151 152 enum bnxt_re_alloc_page_methods { 153 BNXT_RE_METHOD_ALLOC_PAGE = (1U << UVERBS_ID_NS_SHIFT), 154 BNXT_RE_METHOD_DESTROY_PAGE, 155 }; 156 157 #endif /* __BNXT_RE_UVERBS_ABI_H__*/ 158