1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0 3 * 4 * Copyright (c) 2007 Cisco Systems, Inc. All rights reserved. 5 * Copyright (c) 2007, 2008 Mellanox Technologies. 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 36 #ifndef MLX4_ABI_USER_H 37 #define MLX4_ABI_USER_H 38 39 #ifdef _KERNEL 40 #include <linux/types.h> 41 #else 42 #include <infiniband/types.h> 43 #endif 44 45 /* 46 * Increment this value if any changes that break userspace ABI 47 * compatibility are made. 48 */ 49 50 #define MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION 3 51 #define MLX4_IB_UVERBS_ABI_VERSION 4 52 53 /* 54 * Make sure that all structs defined in this file remain laid out so 55 * that they pack the same way on 32-bit and 64-bit architectures (to 56 * avoid incompatibility between 32-bit userspace and 64-bit kernels). 57 * In particular do not use pointer types -- pass pointers in __u64 58 * instead. 59 */ 60 61 struct mlx4_ib_alloc_ucontext_resp_v3 { 62 __u32 qp_tab_size; 63 __u16 bf_reg_size; 64 __u16 bf_regs_per_page; 65 }; 66 67 struct mlx4_ib_alloc_ucontext_resp { 68 __u32 dev_caps; 69 __u32 qp_tab_size; 70 __u16 bf_reg_size; 71 __u16 bf_regs_per_page; 72 __u32 cqe_size; 73 }; 74 75 struct mlx4_ib_alloc_pd_resp { 76 __u32 pdn; 77 __u32 reserved; 78 }; 79 80 struct mlx4_ib_create_cq { 81 __u64 buf_addr; 82 __u64 db_addr; 83 }; 84 85 struct mlx4_ib_create_cq_resp { 86 __u32 cqn; 87 __u32 reserved; 88 }; 89 90 struct mlx4_ib_resize_cq { 91 __u64 buf_addr; 92 }; 93 94 struct mlx4_ib_create_srq { 95 __u64 buf_addr; 96 __u64 db_addr; 97 }; 98 99 struct mlx4_ib_create_srq_resp { 100 __u32 srqn; 101 __u32 reserved; 102 }; 103 104 struct mlx4_ib_create_qp { 105 __u64 buf_addr; 106 __u64 db_addr; 107 __u8 log_sq_bb_count; 108 __u8 log_sq_stride; 109 __u8 sq_no_prefetch; 110 __u8 reserved[5]; 111 }; 112 113 #endif /* MLX4_ABI_USER_H */ 114