1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ 2 /* This file is part of the Emulex RoCE Device Driver for 3 * RoCE (RDMA over Converged Ethernet) adapters. 4 * Copyright (C) 2012-2015 Emulex. All rights reserved. 5 * EMULEX and SLI are trademarks of Emulex. 6 * www.emulex.com 7 * 8 * This software is available to you under a choice of one of two licenses. 9 * You may choose to be licensed under the terms of the GNU General Public 10 * License (GPL) Version 2, available from the file COPYING in the main 11 * directory of this source tree, or the BSD license below: 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 17 * - Redistributions of source code must retain the above copyright notice, 18 * this list of conditions and the following disclaimer. 19 * 20 * - 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 distribution. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 28 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 31 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 32 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 33 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 34 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35 * 36 * Contact Information: 37 * linux-drivers@emulex.com 38 * 39 * Emulex 40 * 3333 Susan Street 41 * Costa Mesa, CA 92626 42 */ 43 44 #ifndef OCRDMA_ABI_USER_H 45 #define OCRDMA_ABI_USER_H 46 47 #include <linux/types.h> 48 49 #define OCRDMA_ABI_VERSION 2 50 #define OCRDMA_BE_ROCE_ABI_VERSION 1 51 /* user kernel communication data structures. */ 52 53 struct ocrdma_alloc_ucontext_resp { 54 __u32 dev_id; 55 __u32 wqe_size; 56 __u32 max_inline_data; 57 __u32 dpp_wqe_size; 58 __aligned_u64 ah_tbl_page; 59 __u32 ah_tbl_len; 60 __u32 rqe_size; 61 __u8 fw_ver[32]; 62 /* for future use/new features in progress */ 63 __aligned_u64 rsvd1; 64 __aligned_u64 rsvd2; 65 }; 66 67 struct ocrdma_alloc_pd_ureq { 68 __u32 rsvd[2]; 69 }; 70 71 struct ocrdma_alloc_pd_uresp { 72 __u32 id; 73 __u32 dpp_enabled; 74 __u32 dpp_page_addr_hi; 75 __u32 dpp_page_addr_lo; 76 __u32 rsvd[2]; 77 }; 78 79 struct ocrdma_create_cq_ureq { 80 __u32 dpp_cq; 81 __u32 rsvd; /* pad */ 82 }; 83 84 #define MAX_CQ_PAGES 8 85 struct ocrdma_create_cq_uresp { 86 __u32 cq_id; 87 __u32 page_size; 88 __u32 num_pages; 89 __u32 max_hw_cqe; 90 __aligned_u64 page_addr[MAX_CQ_PAGES]; 91 __aligned_u64 db_page_addr; 92 __u32 db_page_size; 93 __u32 phase_change; 94 /* for future use/new features in progress */ 95 __aligned_u64 rsvd1; 96 __aligned_u64 rsvd2; 97 }; 98 99 #define MAX_QP_PAGES 8 100 #define MAX_UD_AV_PAGES 8 101 102 struct ocrdma_create_qp_ureq { 103 __u8 enable_dpp_cq; 104 __u8 rsvd; 105 __u16 dpp_cq_id; 106 __u32 rsvd1; /* pad */ 107 }; 108 109 struct ocrdma_create_qp_uresp { 110 __u16 qp_id; 111 __u16 sq_dbid; 112 __u16 rq_dbid; 113 __u16 resv0; /* pad */ 114 __u32 sq_page_size; 115 __u32 rq_page_size; 116 __u32 num_sq_pages; 117 __u32 num_rq_pages; 118 __aligned_u64 sq_page_addr[MAX_QP_PAGES]; 119 __aligned_u64 rq_page_addr[MAX_QP_PAGES]; 120 __aligned_u64 db_page_addr; 121 __u32 db_page_size; 122 __u32 dpp_credit; 123 __u32 dpp_offset; 124 __u32 num_wqe_allocated; 125 __u32 num_rqe_allocated; 126 __u32 db_sq_offset; 127 __u32 db_rq_offset; 128 __u32 db_shift; 129 __aligned_u64 rsvd[11]; 130 }; 131 132 struct ocrdma_create_srq_uresp { 133 __u16 rq_dbid; 134 __u16 resv0; /* pad */ 135 __u32 resv1; 136 137 __u32 rq_page_size; 138 __u32 num_rq_pages; 139 140 __aligned_u64 rq_page_addr[MAX_QP_PAGES]; 141 __aligned_u64 db_page_addr; 142 143 __u32 db_page_size; 144 __u32 num_rqe_allocated; 145 __u32 db_rq_offset; 146 __u32 db_shift; 147 148 __aligned_u64 rsvd2; 149 __aligned_u64 rsvd3; 150 }; 151 152 #endif /* OCRDMA_ABI_USER_H */ 153
