1 /* This file is part of the Emulex RoCE Device Driver for 2 * RoCE (RDMA over Converged Ethernet) adapters. 3 * Copyright (C) 2012-2015 Emulex. All rights reserved. 4 * EMULEX and SLI are trademarks of Emulex. 5 * www.emulex.com 6 * 7 * This software is available to you under a choice of one of two licenses. 8 * You may choose to be licensed under the terms of the GNU General Public 9 * License (GPL) Version 2, available from the file COPYING in the main 10 * directory of this source tree, or the BSD license below: 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 16 * - Redistributions of source code must retain the above copyright notice, 17 * this list of conditions and the following disclaimer. 18 * 19 * - Redistributions in binary form must reproduce the above copyright 20 * notice, this list of conditions and the following disclaimer in 21 * the documentation and/or other materials provided with the distribution. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 24 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 32 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 * 35 * Contact Information: 36 * linux-drivers@emulex.com 37 * 38 * Emulex 39 * 3333 Susan Street 40 * Costa Mesa, CA 92626 41 */ 42 43 #ifndef __OCRDMA_ABI_H__ 44 #define __OCRDMA_ABI_H__ 45 46 #define OCRDMA_ABI_VERSION 2 47 #define OCRDMA_BE_ROCE_ABI_VERSION 1 48 /* user kernel communication data structures. */ 49 50 struct ocrdma_alloc_ucontext_resp { 51 u32 dev_id; 52 u32 wqe_size; 53 u32 max_inline_data; 54 u32 dpp_wqe_size; 55 u64 ah_tbl_page; 56 u32 ah_tbl_len; 57 u32 rqe_size; 58 u8 fw_ver[32]; 59 /* for future use/new features in progress */ 60 u64 rsvd1; 61 u64 rsvd2; 62 }; 63 64 struct ocrdma_alloc_pd_ureq { 65 u64 rsvd1; 66 }; 67 68 struct ocrdma_alloc_pd_uresp { 69 u32 id; 70 u32 dpp_enabled; 71 u32 dpp_page_addr_hi; 72 u32 dpp_page_addr_lo; 73 u64 rsvd1; 74 }; 75 76 struct ocrdma_create_cq_ureq { 77 u32 dpp_cq; 78 u32 rsvd; /* pad */ 79 }; 80 81 #define MAX_CQ_PAGES 8 82 struct ocrdma_create_cq_uresp { 83 u32 cq_id; 84 u32 page_size; 85 u32 num_pages; 86 u32 max_hw_cqe; 87 u64 page_addr[MAX_CQ_PAGES]; 88 u64 db_page_addr; 89 u32 db_page_size; 90 u32 phase_change; 91 /* for future use/new features in progress */ 92 u64 rsvd1; 93 u64 rsvd2; 94 }; 95 96 #define MAX_QP_PAGES 8 97 #define MAX_UD_AV_PAGES 8 98 99 struct ocrdma_create_qp_ureq { 100 u8 enable_dpp_cq; 101 u8 rsvd; 102 u16 dpp_cq_id; 103 u32 rsvd1; /* pad */ 104 }; 105 106 struct ocrdma_create_qp_uresp { 107 u16 qp_id; 108 u16 sq_dbid; 109 u16 rq_dbid; 110 u16 resv0; /* pad */ 111 u32 sq_page_size; 112 u32 rq_page_size; 113 u32 num_sq_pages; 114 u32 num_rq_pages; 115 u64 sq_page_addr[MAX_QP_PAGES]; 116 u64 rq_page_addr[MAX_QP_PAGES]; 117 u64 db_page_addr; 118 u32 db_page_size; 119 u32 dpp_credit; 120 u32 dpp_offset; 121 u32 num_wqe_allocated; 122 u32 num_rqe_allocated; 123 u32 db_sq_offset; 124 u32 db_rq_offset; 125 u32 db_shift; 126 u64 rsvd[11]; 127 } __packed; 128 129 struct ocrdma_create_srq_uresp { 130 u16 rq_dbid; 131 u16 resv0; /* pad */ 132 u32 resv1; 133 134 u32 rq_page_size; 135 u32 num_rq_pages; 136 137 u64 rq_page_addr[MAX_QP_PAGES]; 138 u64 db_page_addr; 139 140 u32 db_page_size; 141 u32 num_rqe_allocated; 142 u32 db_rq_offset; 143 u32 db_shift; 144 145 u64 rsvd2; 146 u64 rsvd3; 147 }; 148 149 #endif /* __OCRDMA_ABI_H__ */ 150