LXR linux/include/uapi/rdma/bnxt

   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
  51enum {
  52        BNXT_RE_UCNTX_CMASK_HAVE_CCTX = 0x1ULL
  53};
  54
  55struct 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 */
  72struct bnxt_re_pd_resp {
  73        __u32 pdid;
  74        __u32 dpi;
  75        __u64 dbr;
  76} __attribute__((packed, aligned(4)));
  77
  78struct bnxt_re_cq_req {
  79        __aligned_u64 cq_va;
  80        __aligned_u64 cq_handle;
  81};
  82
  83struct bnxt_re_cq_resp {
  84        __u32 cqid;
  85        __u32 tail;
  86        __u32 phase;
  87        __u32 rsvd;
  88};
  89
  90struct bnxt_re_qp_req {
  91        __aligned_u64 qpsva;
  92        __aligned_u64 qprva;
  93        __aligned_u64 qp_handle;
  94};
  95
  96struct bnxt_re_qp_resp {
  97        __u32 qpid;
  98        __u32 rsvd;
  99};
 100
 101struct bnxt_re_srq_req {
 102        __aligned_u64 srqva;
 103        __aligned_u64 srq_handle;
 104};
 105
 106struct bnxt_re_srq_resp {
 107        __u32 srqid;
 108};
 109
 110enum 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__*/
 118