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 #include <rdma/ib_user_ioctl_cmds.h>
  45
  46 #define BNXT_RE_ABI_VERSION     1
  47
  48 #define BNXT_RE_CHIP_ID0_CHIP_NUM_SFT           0x00
  49 #define BNXT_RE_CHIP_ID0_CHIP_REV_SFT           0x10
  50 #define BNXT_RE_CHIP_ID0_CHIP_MET_SFT           0x18
  51
  52 enum {
  53         BNXT_RE_UCNTX_CMASK_HAVE_CCTX = 0x1ULL,
  54         BNXT_RE_UCNTX_CMASK_HAVE_MODE = 0x02ULL,
  55         BNXT_RE_UCNTX_CMASK_WC_DPI_ENABLED = 0x04ULL,
  56         BNXT_RE_UCNTX_CMASK_DBR_PACING_ENABLED = 0x08ULL,
  57         BNXT_RE_UCNTX_CMASK_POW2_DISABLED = 0x10ULL,
  58         BNXT_RE_UCNTX_CMASK_MSN_TABLE_ENABLED = 0x40,
  59 };
  60
  61 enum bnxt_re_wqe_mode {
  62         BNXT_QPLIB_WQE_MODE_STATIC      = 0x00,
  63         BNXT_QPLIB_WQE_MODE_VARIABLE    = 0x01,
  64         BNXT_QPLIB_WQE_MODE_INVALID     = 0x02,
  65 };
  66
  67 enum {
  68         BNXT_RE_COMP_MASK_REQ_UCNTX_POW2_SUPPORT = 0x01,
  69         BNXT_RE_COMP_MASK_REQ_UCNTX_VAR_WQE_SUPPORT = 0x02,
  70 };
  71
  72 struct bnxt_re_uctx_req {
  73         __aligned_u64 comp_mask;
  74 };
  75
  76 struct bnxt_re_uctx_resp {
  77         __u32 dev_id;
  78         __u32 max_qp;
  79         __u32 pg_size;
  80         __u32 cqe_sz;
  81         __u32 max_cqd;
  82         __u32 rsvd;
  83         __aligned_u64 comp_mask;
  84         __u32 chip_id0;
  85         __u32 chip_id1;
  86         __u32 mode;
  87         __u32 rsvd1; /* padding */
  88 };
  89
  90 /*
  91  * This struct is placed after the ib_uverbs_alloc_pd_resp struct, which is
  92  * not 8 byted aligned. To avoid undesired padding in various cases we have to
  93  * set this struct to packed.
  94  */
  95 struct bnxt_re_pd_resp {
  96         __u32 pdid;
  97         __u32 dpi;
  98         __u64 dbr;
  99 } __attribute__((packed, aligned(4)));
 100
 101 struct bnxt_re_cq_req {
 102         __aligned_u64 cq_va;
 103         __aligned_u64 cq_handle;
 104 };
 105
 106 enum bnxt_re_cq_mask {
 107         BNXT_RE_CQ_TOGGLE_PAGE_SUPPORT = 0x1,
 108 };
 109
 110 struct bnxt_re_cq_resp {
 111         __u32 cqid;
 112         __u32 tail;
 113         __u32 phase;
 114         __u32 rsvd;
 115         __aligned_u64 comp_mask;
 116 };
 117
 118 struct bnxt_re_resize_cq_req {
 119         __aligned_u64 cq_va;
 120 };
 121
 122 enum bnxt_re_qp_mask {
 123         BNXT_RE_QP_REQ_MASK_VAR_WQE_SQ_SLOTS = 0x1,
 124 };
 125
 126 struct bnxt_re_qp_req {
 127         __aligned_u64 qpsva;
 128         __aligned_u64 qprva;
 129         __aligned_u64 qp_handle;
 130         __aligned_u64 comp_mask;
 131         __u32 sq_slots;
 132 };
 133
 134 struct bnxt_re_qp_resp {
 135         __u32 qpid;
 136         __u32 rsvd;
 137 };
 138
 139 struct bnxt_re_srq_req {
 140         __aligned_u64 srqva;
 141         __aligned_u64 srq_handle;
 142 };
 143
 144 enum bnxt_re_srq_mask {
 145         BNXT_RE_SRQ_TOGGLE_PAGE_SUPPORT = 0x1,
 146 };
 147
 148 struct bnxt_re_srq_resp {
 149         __u32 srqid;
 150         __u32 rsvd; /* padding */
 151         __aligned_u64 comp_mask;
 152 };
 153
 154 enum bnxt_re_shpg_offt {
 155         BNXT_RE_BEG_RESV_OFFT   = 0x00,
 156         BNXT_RE_AVID_OFFT       = 0x10,
 157         BNXT_RE_AVID_SIZE       = 0x04,
 158         BNXT_RE_END_RESV_OFFT   = 0xFF0
 159 };
 160
 161 enum bnxt_re_objects {
 162         BNXT_RE_OBJECT_ALLOC_PAGE = (1U << UVERBS_ID_NS_SHIFT),
 163         BNXT_RE_OBJECT_NOTIFY_DRV,
 164         BNXT_RE_OBJECT_GET_TOGGLE_MEM,
 165 };
 166
 167 enum bnxt_re_alloc_page_type {
 168         BNXT_RE_ALLOC_WC_PAGE = 0,
 169         BNXT_RE_ALLOC_DBR_BAR_PAGE,
 170         BNXT_RE_ALLOC_DBR_PAGE,
 171 };
 172
 173 enum bnxt_re_var_alloc_page_attrs {
 174         BNXT_RE_ALLOC_PAGE_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
 175         BNXT_RE_ALLOC_PAGE_TYPE,
 176         BNXT_RE_ALLOC_PAGE_DPI,
 177         BNXT_RE_ALLOC_PAGE_MMAP_OFFSET,
 178         BNXT_RE_ALLOC_PAGE_MMAP_LENGTH,
 179 };
 180
 181 enum bnxt_re_alloc_page_attrs {
 182         BNXT_RE_DESTROY_PAGE_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
 183 };
 184
 185 enum bnxt_re_alloc_page_methods {
 186         BNXT_RE_METHOD_ALLOC_PAGE = (1U << UVERBS_ID_NS_SHIFT),
 187         BNXT_RE_METHOD_DESTROY_PAGE,
 188 };
 189
 190 enum bnxt_re_notify_drv_methods {
 191         BNXT_RE_METHOD_NOTIFY_DRV = (1U << UVERBS_ID_NS_SHIFT),
 192 };
 193
 194 /* Toggle mem */
 195
 196 enum bnxt_re_get_toggle_mem_type {
 197         BNXT_RE_CQ_TOGGLE_MEM = 0,
 198         BNXT_RE_SRQ_TOGGLE_MEM,
 199 };
 200
 201 enum bnxt_re_var_toggle_mem_attrs {
 202         BNXT_RE_TOGGLE_MEM_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
 203         BNXT_RE_TOGGLE_MEM_TYPE,
 204         BNXT_RE_TOGGLE_MEM_RES_ID,
 205         BNXT_RE_TOGGLE_MEM_MMAP_PAGE,
 206         BNXT_RE_TOGGLE_MEM_MMAP_OFFSET,
 207         BNXT_RE_TOGGLE_MEM_MMAP_LENGTH,
 208 };
 209
 210 enum bnxt_re_toggle_mem_attrs {
 211         BNXT_RE_RELEASE_TOGGLE_MEM_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
 212 };
 213
 214 enum bnxt_re_toggle_mem_methods {
 215         BNXT_RE_METHOD_GET_TOGGLE_MEM = (1U << UVERBS_ID_NS_SHIFT),
 216         BNXT_RE_METHOD_RELEASE_TOGGLE_MEM,
 217 };
 218 #endif /* __BNXT_RE_UVERBS_ABI_H__*/