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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 two7 * licenses. You may choose to be licensed under the terms of the GNU8 * General Public License (GPL) Version 2, available from the file9 * COPYING in the main directory of this source tree, or the10 * OpenIB.org BSD license below:11 *12 * Redistribution and use in source and binary forms, with or13 * without modification, are permitted provided that the following14 * conditions are met:15 *16 * - Redistributions of source code must retain the above17 * copyright notice, this list of conditions and the following18 * disclaimer.19 *20 * - Redistributions in binary form must reproduce the above21 * copyright notice, this list of conditions and the following22 * disclaimer in the documentation and/or other materials23 * 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 OF27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE32 * SOFTWARE.33 */34 35#ifndef MTHCA_ABI_USER_H36#define MTHCA_ABI_USER_H37 38#include <linux/types.h>39 40/*41 * Increment this value if any changes that break userspace ABI42 * compatibility are made.43 */44#define MTHCA_UVERBS_ABI_VERSION 145 46/*47 * Make sure that all structs defined in this file remain laid out so48 * that they pack the same way on 32-bit and 64-bit architectures (to49 * avoid incompatibility between 32-bit userspace and 64-bit kernels).50 * In particular do not use pointer types -- pass pointers in __u6451 * 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 causes65 * in-flight DMA to be flushed when the region is written to:66 */67#define MTHCA_MR_DMASYNC 0x168 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 */113