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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 for3 * 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.com7 *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 Public10 * License (GPL) Version 2, available from the file COPYING in the main11 * directory of this source tree, or the BSD license below:12 *13 * Redistribution and use in source and binary forms, with or without14 * modification, are permitted provided that the following conditions15 * 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 copyright21 * notice, this list of conditions and the following disclaimer in22 * 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,THE26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE27 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE28 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR31 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,32 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR33 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF34 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.35 *36 * Contact Information:37 * linux-drivers@emulex.com38 *39 * Emulex40 * 3333 Susan Street41 * Costa Mesa, CA 9262642 */43 44#ifndef OCRDMA_ABI_USER_H45#define OCRDMA_ABI_USER_H46 47#include <linux/types.h>48 49#define OCRDMA_ABI_VERSION 250#define OCRDMA_BE_ROCE_ABI_VERSION 151/* user kernel communication data structures. */52 53struct 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 67struct ocrdma_alloc_pd_ureq {68 __u32 rsvd[2];69};70 71struct 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 79struct ocrdma_create_cq_ureq {80 __u32 dpp_cq;81 __u32 rsvd; /* pad */82};83 84#define MAX_CQ_PAGES 885struct 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 8100#define MAX_UD_AV_PAGES 8101 102struct ocrdma_create_qp_ureq {103 __u8 enable_dpp_cq;104 __u8 rsvd;105 __u16 dpp_cq_id;106 __u32 rsvd1; /* pad */107};108 109struct 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 132struct 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