1 /* 2 * Copyright (c) 2005 Topspin Communications. All rights reserved. 3 * Copyright (c) 2005 Cisco Systems. All rights reserved. 4 * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved. 5 * 6 * This software is available to you under a choice of one of two 7 * licenses. You may choose to be licensed under the terms of the GNU 8 * General Public License (GPL) Version 2, available from the file 9 * COPYING in the main directory of this source tree, or the 10 * OpenIB.org BSD license below: 11 * 12 * Redistribution and use in source and binary forms, with or 13 * without modification, are permitted provided that the following 14 * conditions are met: 15 * 16 * - Redistributions of source code must retain the above 17 * copyright notice, this list of conditions and the following 18 * disclaimer. 19 * 20 * - Redistributions in binary form must reproduce the above 21 * copyright notice, this list of conditions and the following 22 * disclaimer in the documentation and/or other materials 23 * 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 OF 27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32 * SOFTWARE. 33 * 34 */ 35 36 #ifndef C2_USER_H 37 #define C2_USER_H 38 39 #include <linux/types.h> 40 41 /* 42 * Make sure that all structs defined in this file remain laid out so 43 * that they pack the same way on 32-bit and 64-bit architectures (to 44 * avoid incompatibility between 32-bit userspace and 64-bit kernels). 45 * In particular do not use pointer types -- pass pointers in __u64 46 * instead. 47 */ 48 49 struct c2_alloc_ucontext_resp { 50 __u32 qp_tab_size; 51 __u32 uarc_size; 52 }; 53 54 struct c2_alloc_pd_resp { 55 __u32 pdn; 56 __u32 reserved; 57 }; 58 59 struct c2_create_cq { 60 __u32 lkey; 61 __u32 pdn; 62 __u64 arm_db_page; 63 __u64 set_db_page; 64 __u32 arm_db_index; 65 __u32 set_db_index; 66 }; 67 68 struct c2_create_cq_resp { 69 __u32 cqn; 70 __u32 reserved; 71 }; 72 73 struct c2_create_qp { 74 __u32 lkey; 75 __u32 reserved; 76 __u64 sq_db_page; 77 __u64 rq_db_page; 78 __u32 sq_db_index; 79 __u32 rq_db_index; 80 }; 81 82 #endif /* C2_USER_H */ 83