LXR linux/include/uapi/rdma/cxgb4-abi.h

   1/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
   2/*
   3 * Copyright (c) 2009-2010 Chelsio, Inc. All rights reserved.
   4 *
   5 * This software is available to you under a choice of one of two
   6 * licenses.  You may choose to be licensed under the terms of the GNU
   7 * General Public License (GPL) Version 2, available from the file
   8 * COPYING in the main directory of this source tree, or the
   9 * OpenIB.org BSD license below:
  10 *
  11 *     Redistribution and use in source and binary forms, with or
  12 *     without modification, are permitted provided that the following
  13 *     conditions are met:
  14 *
  15 *      - Redistributions of source code must retain the above
  16 *        copyright notice, this list of conditions and the following
  17 *        disclaimer.
  18 *
  19 *      - Redistributions in binary form must reproduce the above
  20 *        copyright notice, this list of conditions and the following
  21 *        disclaimer in the documentation and/or other materials
  22 *        provided with the distribution.
  23 *
  24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  31 * SOFTWARE.
  32 */
  33#ifndef CXGB4_ABI_USER_H
  34#define CXGB4_ABI_USER_H
  35
  36#include <linux/types.h>
  37
  38#define C4IW_UVERBS_ABI_VERSION 3
  39
  40/*
  41 * Make sure that all structs defined in this file remain laid out so
  42 * that they pack the same way on 32-bit and 64-bit architectures (to
  43 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
  44 * In particular do not use pointer types -- pass pointers in __aligned_u64
  45 * instead.
  46 */
  47
  48enum {
  49        C4IW_64B_CQE = (1 << 0)
  50};
  51
  52struct c4iw_create_cq {
  53        __u32 flags;
  54        __u32 reserved;
  55};
  56
  57struct c4iw_create_cq_resp {
  58        __aligned_u64 key;
  59        __aligned_u64 gts_key;
  60        __aligned_u64 memsize;
  61        __u32 cqid;
  62        __u32 size;
  63        __u32 qid_mask;
  64        __u32 flags;
  65};
  66
  67enum {
  68        C4IW_QPF_ONCHIP = (1 << 0),
  69        C4IW_QPF_WRITE_W_IMM = (1 << 1)
  70};
  71
  72struct c4iw_create_qp_resp {
  73        __aligned_u64 ma_sync_key;
  74        __aligned_u64 sq_key;
  75        __aligned_u64 rq_key;
  76        __aligned_u64 sq_db_gts_key;
  77        __aligned_u64 rq_db_gts_key;
  78        __aligned_u64 sq_memsize;
  79        __aligned_u64 rq_memsize;
  80        __u32 sqid;
  81        __u32 rqid;
  82        __u32 sq_size;
  83        __u32 rq_size;
  84        __u32 qid_mask;
  85        __u32 flags;
  86};
  87
  88struct c4iw_create_srq_resp {
  89        __aligned_u64 srq_key;
  90        __aligned_u64 srq_db_gts_key;
  91        __aligned_u64 srq_memsize;
  92        __u32 srqid;
  93        __u32 srq_size;
  94        __u32 rqt_abs_idx;
  95        __u32 qid_mask;
  96        __u32 flags;
  97        __u32 reserved; /* explicit padding */
  98};
  99
 100enum {
 101        /* HW supports SRQ_LIMIT_REACHED event */
 102        T4_SRQ_LIMIT_SUPPORT = 1 << 0,
 103};
 104
 105struct c4iw_alloc_ucontext_resp {
 106        __aligned_u64 status_page_key;
 107        __u32 status_page_size;
 108        __u32 reserved; /* explicit padding (optional for i386) */
 109};
 110
 111struct c4iw_alloc_pd_resp {
 112        __u32 pdid;
 113};
 114
 115#endif /* CXGB4_ABI_USER_H */
 116