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 (at) emulex.com 37 * 38 * Emulex 39 * 3333 Susan Street 40 * Costa Mesa, CA 92626 41 */ 42 43 #ifndef OCRDMA_ABI_USER_H 44 #define OCRDMA_ABI_USER_H 45 46 #include <linux/types.h> 47 48 #define OCRDMA_ABI_VERSION 2 49 #define OCRDMA_BE_ROCE_ABI_VERSION 1 50 /* user kernel communication data structures. */ 51 52 struct ocrdma_alloc_ucontext_resp { 53 __u32 dev_id; 54 __u32 wqe_size; 55 __u32 max_inline_data; 56 __u32 dpp_wqe_size; 57 __u64 ah_tbl_page; 58 __u32 ah_tbl_len; 59 __u32 rqe_size; 60 __u8 fw_ver[32]; 61 /* for future use/new features in progress */ 62 __u64 rsvd1; 63 __u64 rsvd2; 64 }; 65 66 struct ocrdma_alloc_pd_ureq { 67 __u64 rsvd1; 68 }; 69 70 struct ocrdma_alloc_pd_uresp { 71 __u32 id; 72 __u32 dpp_enabled; 73 __u32 dpp_page_addr_hi; 74 __u32 dpp_page_addr_lo; 75 __u64 rsvd1; 76 }; 77 78 struct ocrdma_create_cq_ureq { 79 __u32 dpp_cq; 80 __u32 rsvd; /* pad */ 81 }; 82 83 #define MAX_CQ_PAGES 8 84 struct ocrdma_create_cq_uresp { 85 __u32 cq_id; 86 __u32 page_size; 87 __u32 num_pages; 88 __u32 max_hw_cqe; 89 __u64 page_addr[MAX_CQ_PAGES]; 90 __u64 db_page_addr; 91 __u32 db_page_size; 92 __u32 phase_change; 93 /* for future use/new features in progress */ 94 __u64 rsvd1; 95 __u64 rsvd2; 96 }; 97 98 #define MAX_QP_PAGES 8 99 #define MAX_UD_AV_PAGES 8 100 101 struct ocrdma_create_qp_ureq { 102 __u8 enable_dpp_cq; 103 __u8 rsvd; 104 __u16 dpp_cq_id; 105 __u32 rsvd1; /* pad */ 106 }; 107 108 struct ocrdma_create_qp_uresp { 109 __u16 qp_id; 110 __u16 sq_dbid; 111 __u16 rq_dbid; 112 __u16 resv0; /* pad */ 113 __u32 sq_page_size; 114 __u32 rq_page_size; 115 __u32 num_sq_pages; 116 __u32 num_rq_pages; 117 __u64 sq_page_addr[MAX_QP_PAGES]; 118 __u64 rq_page_addr[MAX_QP_PAGES]; 119 __u64 db_page_addr; 120 __u32 db_page_size; 121 __u32 dpp_credit; 122 __u32 dpp_offset; 123 __u32 num_wqe_allocated; 124 __u32 num_rqe_allocated; 125 __u32 db_sq_offset; 126 __u32 db_rq_offset; 127 __u32 db_shift; 128 __u64 rsvd[11]; 129 } __packed; 130 131 struct ocrdma_create_srq_uresp { 132 __u16 rq_dbid; 133 __u16 resv0; /* pad */ 134 __u32 resv1; 135 136 __u32 rq_page_size; 137 __u32 num_rq_pages; 138 139 __u64 rq_page_addr[MAX_QP_PAGES]; 140 __u64 db_page_addr; 141 142 __u32 db_page_size; 143 __u32 num_rqe_allocated; 144 __u32 db_rq_offset; 145 __u32 db_shift; 146 147 __u64 rsvd2; 148 __u64 rsvd3; 149 }; 150 151 #endif /* OCRDMA_ABI_USER_H */ 152
