1 /* 2 * Copyright (c) 2007 Cisco Systems, Inc. All rights reserved. 3 * Copyright (c) 2007, 2008 Mellanox Technologies. 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 MLX4_ABI_USER_H 35 #define MLX4_ABI_USER_H 36 37 #ifdef _KERNEL 38 #include <linux/types.h> 39 #else 40 #include <infiniband/types.h> 41 #endif 42 43 /* 44 * Increment this value if any changes that break userspace ABI 45 * compatibility are made. 46 */ 47 48 #define MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION 3 49 #define MLX4_IB_UVERBS_ABI_VERSION 4 50 51 /* 52 * Make sure that all structs defined in this file remain laid out so 53 * that they pack the same way on 32-bit and 64-bit architectures (to 54 * avoid incompatibility between 32-bit userspace and 64-bit kernels). 55 * In particular do not use pointer types -- pass pointers in __u64 56 * instead. 57 */ 58 59 struct mlx4_ib_alloc_ucontext_resp_v3 { 60 __u32 qp_tab_size; 61 __u16 bf_reg_size; 62 __u16 bf_regs_per_page; 63 }; 64 65 struct mlx4_ib_alloc_ucontext_resp { 66 __u32 dev_caps; 67 __u32 qp_tab_size; 68 __u16 bf_reg_size; 69 __u16 bf_regs_per_page; 70 __u32 cqe_size; 71 }; 72 73 struct mlx4_ib_alloc_pd_resp { 74 __u32 pdn; 75 __u32 reserved; 76 }; 77 78 struct mlx4_ib_create_cq { 79 __u64 buf_addr; 80 __u64 db_addr; 81 }; 82 83 struct mlx4_ib_create_cq_resp { 84 __u32 cqn; 85 __u32 reserved; 86 }; 87 88 struct mlx4_ib_resize_cq { 89 __u64 buf_addr; 90 }; 91 92 struct mlx4_ib_create_srq { 93 __u64 buf_addr; 94 __u64 db_addr; 95 }; 96 97 struct mlx4_ib_create_srq_resp { 98 __u32 srqn; 99 __u32 reserved; 100 }; 101 102 struct mlx4_ib_create_qp { 103 __u64 buf_addr; 104 __u64 db_addr; 105 __u8 log_sq_bb_count; 106 __u8 log_sq_stride; 107 __u8 sq_no_prefetch; 108 __u8 reserved[5]; 109 }; 110 111 #endif /* MLX4_ABI_USER_H */ 112