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153 lines
4.0 KiB
C
153 lines
4.0 KiB
C
/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
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/* This file is part of the Emulex RoCE Device Driver for
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* RoCE (RDMA over Converged Ethernet) adapters.
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* Copyright (C) 2012-2015 Emulex. All rights reserved.
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* EMULEX and SLI are trademarks of Emulex.
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* www.emulex.com
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*
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* This software is available to you under a choice of one of two licenses.
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* You may choose to be licensed under the terms of the GNU General Public
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* License (GPL) Version 2, available from the file COPYING in the main
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* directory of this source tree, or the BSD license below:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Contact Information:
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* linux-drivers@emulex.com
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*
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* Emulex
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* 3333 Susan Street
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* Costa Mesa, CA 92626
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*/
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#ifndef OCRDMA_ABI_USER_H
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#define OCRDMA_ABI_USER_H
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#include <linux/types.h>
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#define OCRDMA_ABI_VERSION 2
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#define OCRDMA_BE_ROCE_ABI_VERSION 1
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/* user kernel communication data structures. */
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struct ocrdma_alloc_ucontext_resp {
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__u32 dev_id;
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__u32 wqe_size;
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__u32 max_inline_data;
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__u32 dpp_wqe_size;
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__aligned_u64 ah_tbl_page;
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__u32 ah_tbl_len;
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__u32 rqe_size;
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__u8 fw_ver[32];
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/* for future use/new features in progress */
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__aligned_u64 rsvd1;
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__aligned_u64 rsvd2;
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};
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struct ocrdma_alloc_pd_ureq {
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__u32 rsvd[2];
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};
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struct ocrdma_alloc_pd_uresp {
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__u32 id;
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__u32 dpp_enabled;
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__u32 dpp_page_addr_hi;
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__u32 dpp_page_addr_lo;
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__u32 rsvd[2];
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};
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struct ocrdma_create_cq_ureq {
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__u32 dpp_cq;
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__u32 rsvd; /* pad */
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};
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#define MAX_CQ_PAGES 8
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struct ocrdma_create_cq_uresp {
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__u32 cq_id;
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__u32 page_size;
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__u32 num_pages;
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__u32 max_hw_cqe;
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__aligned_u64 page_addr[MAX_CQ_PAGES];
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__aligned_u64 db_page_addr;
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__u32 db_page_size;
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__u32 phase_change;
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/* for future use/new features in progress */
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__aligned_u64 rsvd1;
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__aligned_u64 rsvd2;
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};
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#define MAX_QP_PAGES 8
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#define MAX_UD_AV_PAGES 8
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struct ocrdma_create_qp_ureq {
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__u8 enable_dpp_cq;
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__u8 rsvd;
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__u16 dpp_cq_id;
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__u32 rsvd1; /* pad */
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};
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struct ocrdma_create_qp_uresp {
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__u16 qp_id;
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__u16 sq_dbid;
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__u16 rq_dbid;
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__u16 resv0; /* pad */
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__u32 sq_page_size;
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__u32 rq_page_size;
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__u32 num_sq_pages;
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__u32 num_rq_pages;
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__aligned_u64 sq_page_addr[MAX_QP_PAGES];
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__aligned_u64 rq_page_addr[MAX_QP_PAGES];
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__aligned_u64 db_page_addr;
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__u32 db_page_size;
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__u32 dpp_credit;
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__u32 dpp_offset;
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__u32 num_wqe_allocated;
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__u32 num_rqe_allocated;
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__u32 db_sq_offset;
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__u32 db_rq_offset;
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__u32 db_shift;
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__aligned_u64 rsvd[11];
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};
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struct ocrdma_create_srq_uresp {
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__u16 rq_dbid;
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__u16 resv0; /* pad */
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__u32 resv1;
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__u32 rq_page_size;
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__u32 num_rq_pages;
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__aligned_u64 rq_page_addr[MAX_QP_PAGES];
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__aligned_u64 db_page_addr;
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__u32 db_page_size;
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__u32 num_rqe_allocated;
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__u32 db_rq_offset;
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__u32 db_shift;
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__aligned_u64 rsvd2;
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__aligned_u64 rsvd3;
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};
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#endif /* OCRDMA_ABI_USER_H */
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