1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0 3 * 4 * Copyright (c) 2005 Topspin Communications. All rights reserved. 5 * Copyright (c) 2005, 2006 Cisco Systems. All rights reserved. 6 * 7 * This software is available to you under a choice of one of two 8 * licenses. You may choose to be licensed under the terms of the GNU 9 * General Public License (GPL) Version 2, available from the file 10 * COPYING in the main directory of this source tree, or the 11 * OpenIB.org BSD license below: 12 * 13 * Redistribution and use in source and binary forms, with or 14 * without modification, are permitted provided that the following 15 * conditions are met: 16 * 17 * - Redistributions of source code must retain the above 18 * copyright notice, this list of conditions and the following 19 * disclaimer. 20 * 21 * - Redistributions in binary form must reproduce the above 22 * copyright notice, this list of conditions and the following 23 * disclaimer in the documentation and/or other materials 24 * provided with the distribution. 25 * 26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 27 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 29 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 30 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 31 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 32 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 33 * SOFTWARE. 34 * 35 * $FreeBSD$ 36 */ 37 38 #ifndef MTHCA_ABI_USER_H 39 #define MTHCA_ABI_USER_H 40 41 #include <linux/types.h> 42 43 /* 44 * Increment this value if any changes that break userspace ABI 45 * compatibility are made. 46 */ 47 #define MTHCA_UVERBS_ABI_VERSION 1 48 49 /* 50 * Make sure that all structs defined in this file remain laid out so 51 * that they pack the same way on 32-bit and 64-bit architectures (to 52 * avoid incompatibility between 32-bit userspace and 64-bit kernels). 53 * In particular do not use pointer types -- pass pointers in __u64 54 * instead. 55 */ 56 struct mthca_alloc_ucontext_resp { 57 __u32 qp_tab_size; 58 __u32 uarc_size; 59 }; 60 61 struct mthca_alloc_pd_resp { 62 __u32 pdn; 63 __u32 reserved; 64 }; 65 66 /* 67 * Mark the memory region with a DMA attribute that causes 68 * in-flight DMA to be flushed when the region is written to: 69 */ 70 #define MTHCA_MR_DMASYNC 0x1 71 72 struct mthca_reg_mr { 73 __u32 mr_attrs; 74 __u32 reserved; 75 }; 76 77 struct mthca_create_cq { 78 __u32 lkey; 79 __u32 pdn; 80 __u64 arm_db_page; 81 __u64 set_db_page; 82 __u32 arm_db_index; 83 __u32 set_db_index; 84 }; 85 86 struct mthca_create_cq_resp { 87 __u32 cqn; 88 __u32 reserved; 89 }; 90 91 struct mthca_resize_cq { 92 __u32 lkey; 93 __u32 reserved; 94 }; 95 96 struct mthca_create_srq { 97 __u32 lkey; 98 __u32 db_index; 99 __u64 db_page; 100 }; 101 102 struct mthca_create_srq_resp { 103 __u32 srqn; 104 __u32 reserved; 105 }; 106 107 struct mthca_create_qp { 108 __u32 lkey; 109 __u32 reserved; 110 __u64 sq_db_page; 111 __u64 rq_db_page; 112 __u32 sq_db_index; 113 __u32 rq_db_index; 114 }; 115 #endif /* MTHCA_ABI_USER_H */ 116