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      1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
      2 /*
      3  * Broadcom NetXtreme-E RoCE driver.
      4  *
      5  * Copyright (c) 2016 - 2017, Broadcom. All rights reserved.  The term
      6  * Broadcom refers to Broadcom Limited and/or its subsidiaries.
      7  *
      8  * This software is available to you under a choice of one of two
      9  * licenses.  You may choose to be licensed under the terms of the GNU
     10  * General Public License (GPL) Version 2, available from the file
     11  * COPYING in the main directory of this source tree, or the
     12  * BSD license below:
     13  *
     14  * Redistribution and use in source and binary forms, with or without
     15  * modification, are permitted provided that the following conditions
     16  * are met:
     17  *
     18  * 1. Redistributions of source code must retain the above copyright
     19  *    notice, this list of conditions and the following disclaimer.
     20  * 2. 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
     23  *    distribution.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
     26  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     27  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     28  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
     29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     32  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     33  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     34  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
     35  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     36  *
     37  * Description: Uverbs ABI header file
     38  */
     39 
     40 #ifndef __BNXT_RE_UVERBS_ABI_H__
     41 #define __BNXT_RE_UVERBS_ABI_H__
     42 
     43 #include <linux/types.h>
     44 
     45 #define BNXT_RE_ABI_VERSION	1
     46 
     47 struct bnxt_re_uctx_resp {
     48 	__u32 dev_id;
     49 	__u32 max_qp;
     50 	__u32 pg_size;
     51 	__u32 cqe_sz;
     52 	__u32 max_cqd;
     53 	__u32 rsvd;
     54 };
     55 
     56 /*
     57  * This struct is placed after the ib_uverbs_alloc_pd_resp struct, which is
     58  * not 8 byted aligned. To avoid undesired padding in various cases we have to
     59  * set this struct to packed.
     60  */
     61 struct bnxt_re_pd_resp {
     62 	__u32 pdid;
     63 	__u32 dpi;
     64 	__u64 dbr;
     65 } __attribute__((packed, aligned(4)));
     66 
     67 struct bnxt_re_cq_req {
     68 	__aligned_u64 cq_va;
     69 	__aligned_u64 cq_handle;
     70 };
     71 
     72 struct bnxt_re_cq_resp {
     73 	__u32 cqid;
     74 	__u32 tail;
     75 	__u32 phase;
     76 	__u32 rsvd;
     77 };
     78 
     79 struct bnxt_re_qp_req {
     80 	__aligned_u64 qpsva;
     81 	__aligned_u64 qprva;
     82 	__aligned_u64 qp_handle;
     83 };
     84 
     85 struct bnxt_re_qp_resp {
     86 	__u32 qpid;
     87 	__u32 rsvd;
     88 };
     89 
     90 struct bnxt_re_srq_req {
     91 	__aligned_u64 srqva;
     92 	__aligned_u64 srq_handle;
     93 };
     94 
     95 struct bnxt_re_srq_resp {
     96 	__u32 srqid;
     97 };
     98 
     99 enum bnxt_re_shpg_offt {
    100 	BNXT_RE_BEG_RESV_OFFT	= 0x00,
    101 	BNXT_RE_AVID_OFFT	= 0x10,
    102 	BNXT_RE_AVID_SIZE	= 0x04,
    103 	BNXT_RE_END_RESV_OFFT	= 0xFF0
    104 };
    105 
    106 #endif /* __BNXT_RE_UVERBS_ABI_H__*/
    107