1 /* 2 * Copyright (c) 2005 Topspin Communications. All rights reserved. 3 * Copyright (c) 2005, 2006 Cisco Systems. 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 34 #ifndef MTHCA_USER_H 35 #define MTHCA_USER_H 36 37 #include <linux/types.h> 38 39 /* 40 * Increment this value if any changes that break userspace ABI 41 * compatibility are made. 42 */ 43 #define MTHCA_UVERBS_ABI_VERSION 1 44 45 /* 46 * Make sure that all structs defined in this file remain laid out so 47 * that they pack the same way on 32-bit and 64-bit architectures (to 48 * avoid incompatibility between 32-bit userspace and 64-bit kernels). 49 * In particular do not use pointer types -- pass pointers in __u64 50 * instead. 51 */ 52 53 struct mthca_alloc_ucontext_resp { 54 __u32 qp_tab_size; 55 __u32 uarc_size; 56 }; 57 58 struct mthca_alloc_pd_resp { 59 __u32 pdn; 60 __u32 reserved; 61 }; 62 63 struct mthca_reg_mr { 64 /* 65 * Mark the memory region with a DMA attribute that causes 66 * in-flight DMA to be flushed when the region is written to: 67 */ 68 #define MTHCA_MR_DMASYNC 0x1 69 __u32 mr_attrs; 70 __u32 reserved; 71 }; 72 73 struct mthca_create_cq { 74 __u32 lkey; 75 __u32 pdn; 76 __u64 arm_db_page; 77 __u64 set_db_page; 78 __u32 arm_db_index; 79 __u32 set_db_index; 80 }; 81 82 struct mthca_create_cq_resp { 83 __u32 cqn; 84 __u32 reserved; 85 }; 86 87 struct mthca_resize_cq { 88 __u32 lkey; 89 __u32 reserved; 90 }; 91 92 struct mthca_create_srq { 93 __u32 lkey; 94 __u32 db_index; 95 __u64 db_page; 96 }; 97 98 struct mthca_create_srq_resp { 99 __u32 srqn; 100 __u32 reserved; 101 }; 102 103 struct mthca_create_qp { 104 __u32 lkey; 105 __u32 reserved; 106 __u64 sq_db_page; 107 __u64 rq_db_page; 108 __u32 sq_db_index; 109 __u32 rq_db_index; 110 }; 111 112 #endif /* MTHCA_USER_H */ 113