1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ 2 /* 3 * Copyright (c) 2009-2010 Chelsio, Inc. 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 #ifndef CXGB4_ABI_USER_H 34 #define CXGB4_ABI_USER_H 35 36 #include <linux/types.h> 37 38 #define C4IW_UVERBS_ABI_VERSION 3 39 40 /* 41 * Make sure that all structs defined in this file remain laid out so 42 * that they pack the same way on 32-bit and 64-bit architectures (to 43 * avoid incompatibility between 32-bit userspace and 64-bit kernels). 44 * In particular do not use pointer types -- pass pointers in __aligned_u64 45 * instead. 46 */ 47 48 enum { 49 C4IW_64B_CQE = (1 << 0) 50 }; 51 52 struct c4iw_create_cq { 53 __u32 flags; 54 __u32 reserved; 55 }; 56 57 struct c4iw_create_cq_resp { 58 __aligned_u64 key; 59 __aligned_u64 gts_key; 60 __aligned_u64 memsize; 61 __u32 cqid; 62 __u32 size; 63 __u32 qid_mask; 64 __u32 flags; 65 }; 66 67 enum { 68 C4IW_QPF_ONCHIP = (1 << 0), 69 C4IW_QPF_WRITE_W_IMM = (1 << 1) 70 }; 71 72 struct c4iw_create_qp_resp { 73 __aligned_u64 ma_sync_key; 74 __aligned_u64 sq_key; 75 __aligned_u64 rq_key; 76 __aligned_u64 sq_db_gts_key; 77 __aligned_u64 rq_db_gts_key; 78 __aligned_u64 sq_memsize; 79 __aligned_u64 rq_memsize; 80 __u32 sqid; 81 __u32 rqid; 82 __u32 sq_size; 83 __u32 rq_size; 84 __u32 qid_mask; 85 __u32 flags; 86 }; 87 88 struct c4iw_create_srq_resp { 89 __aligned_u64 srq_key; 90 __aligned_u64 srq_db_gts_key; 91 __aligned_u64 srq_memsize; 92 __u32 srqid; 93 __u32 srq_size; 94 __u32 rqt_abs_idx; 95 __u32 qid_mask; 96 __u32 flags; 97 __u32 reserved; /* explicit padding */ 98 }; 99 100 enum { 101 /* HW supports SRQ_LIMIT_REACHED event */ 102 T4_SRQ_LIMIT_SUPPORT = 1 << 0, 103 }; 104 105 struct c4iw_alloc_ucontext_resp { 106 __aligned_u64 status_page_key; 107 __u32 status_page_size; 108 __u32 reserved; /* explicit padding (optional for i386) */ 109 }; 110 111 struct c4iw_alloc_pd_resp { 112 __u32 pdid; 113 }; 114 115 #endif /* CXGB4_ABI_USER_H */ 116