1/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
  2/*
  3 * Copyright (c) 2005 Topspin Communications.  All rights reserved.
  4 * Copyright (c) 2005, 2006 Cisco Systems.  All rights reserved.
  5 *
  6 * This software is available to you under a choice of one of two
  7 * licenses.  You may choose to be licensed under the terms of the GNU
  8 * General Public License (GPL) Version 2, available from the file
  9 * COPYING in the main directory of this source tree, or the
 10 * OpenIB.org BSD license below:
 11 *
 12 *     Redistribution and use in source and binary forms, with or
 13 *     without modification, are permitted provided that the following
 14 *     conditions are met:
 15 *
 16 *      - Redistributions of source code must retain the above
 17 *        copyright notice, this list of conditions and the following
 18 *        disclaimer.
 19 *
 20 *      - Redistributions in binary form must reproduce the above
 21 *        copyright notice, this list of conditions and the following
 22 *        disclaimer in the documentation and/or other materials
 23 *        provided with the distribution.
 24 *
 25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 32 * SOFTWARE.
 33 */
 34
 35#ifndef MTHCA_ABI_USER_H
 36#define MTHCA_ABI_USER_H
 37
 38#include <linux/types.h>
 39
 40/*
 41 * Increment this value if any changes that break userspace ABI
 42 * compatibility are made.
 43 */
 44#define MTHCA_UVERBS_ABI_VERSION	1
 45
 46/*
 47 * Make sure that all structs defined in this file remain laid out so
 48 * that they pack the same way on 32-bit and 64-bit architectures (to
 49 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
 50 * In particular do not use pointer types -- pass pointers in __u64
 51 * instead.
 52 */
 53struct mthca_alloc_ucontext_resp {
 54	__u32 qp_tab_size;
 55	__u32 uarc_size;
 56};
 57
 58struct mthca_alloc_pd_resp {
 59	__u32 pdn;
 60	__u32 reserved;
 61};
 62
 63/*
 64 * Mark the memory region with a DMA attribute that causes
 65 * in-flight DMA to be flushed when the region is written to:
 66 */
 67#define MTHCA_MR_DMASYNC	0x1
 68
 69struct mthca_reg_mr {
 70	__u32 mr_attrs;
 71	__u32 reserved;
 72};
 73
 74struct mthca_create_cq {
 75	__u32 lkey;
 76	__u32 pdn;
 77	__aligned_u64 arm_db_page;
 78	__aligned_u64 set_db_page;
 79	__u32 arm_db_index;
 80	__u32 set_db_index;
 81};
 82
 83struct mthca_create_cq_resp {
 84	__u32 cqn;
 85	__u32 reserved;
 86};
 87
 88struct mthca_resize_cq {
 89	__u32 lkey;
 90	__u32 reserved;
 91};
 92
 93struct mthca_create_srq {
 94	__u32 lkey;
 95	__u32 db_index;
 96	__aligned_u64 db_page;
 97};
 98
 99struct mthca_create_srq_resp {
100	__u32 srqn;
101	__u32 reserved;
102};
103
104struct mthca_create_qp {
105	__u32 lkey;
106	__u32 reserved;
107	__aligned_u64 sq_db_page;
108	__aligned_u64 rq_db_page;
109	__u32 sq_db_index;
110	__u32 rq_db_index;
111};
112#endif /* MTHCA_ABI_USER_H */