include/uapi/rdma/bnxt_re-abi.h

   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 #define BNXT_RE_CHIP_ID0_CHIP_NUM_SFT           0x00
  48 #define BNXT_RE_CHIP_ID0_CHIP_REV_SFT           0x10
  49 #define BNXT_RE_CHIP_ID0_CHIP_MET_SFT           0x18
  50
  51 enum {
  52         BNXT_RE_UCNTX_CMASK_HAVE_CCTX = 0x1ULL
  53 };
  54
  55 struct bnxt_re_uctx_resp {
  56         __u32 dev_id;
  57         __u32 max_qp;
  58         __u32 pg_size;
  59         __u32 cqe_sz;
  60         __u32 max_cqd;
  61         __u32 rsvd;
  62         __aligned_u64 comp_mask;
  63         __u32 chip_id0;
  64         __u32 chip_id1;
  65 };
  66
  67 /*
  68  * This struct is placed after the ib_uverbs_alloc_pd_resp struct, which is
  69  * not 8 byted aligned. To avoid undesired padding in various cases we have to
  70  * set this struct to packed.
  71  */
  72 struct bnxt_re_pd_resp {
  73         __u32 pdid;
  74         __u32 dpi;
  75         __u64 dbr;
  76 } __attribute__((packed, aligned(4)));
  77
  78 struct bnxt_re_cq_req {
  79         __aligned_u64 cq_va;
  80         __aligned_u64 cq_handle;
  81 };
  82
  83 struct bnxt_re_cq_resp {
  84         __u32 cqid;
  85         __u32 tail;
  86         __u32 phase;
  87         __u32 rsvd;
  88 };
  89
  90 struct bnxt_re_qp_req {
  91         __aligned_u64 qpsva;
  92         __aligned_u64 qprva;
  93         __aligned_u64 qp_handle;
  94 };
  95
  96 struct bnxt_re_qp_resp {
  97         __u32 qpid;
  98         __u32 rsvd;
  99 };
 100
 101 struct bnxt_re_srq_req {
 102         __aligned_u64 srqva;
 103         __aligned_u64 srq_handle;
 104 };
 105
 106 struct bnxt_re_srq_resp {
 107         __u32 srqid;
 108 };
 109
 110 enum bnxt_re_shpg_offt {
 111         BNXT_RE_BEG_RESV_OFFT   = 0x00,
 112         BNXT_RE_AVID_OFFT       = 0x10,
 113         BNXT_RE_AVID_SIZE       = 0x04,
 114         BNXT_RE_END_RESV_OFFT   = 0xFF0
 115 };
 116
 117 #endif /* __BNXT_RE_UVERBS_ABI_H__*/