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
 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 8
 85struct 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
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 */