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