1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ 2 /* QLogic qedr NIC Driver 3 * Copyright (c) 2015-2016 QLogic Corporation 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 __QEDR_USER_H__ 34 #define __QEDR_USER_H__ 35 36 #include <linux/types.h> 37 38 #define QEDR_ABI_VERSION (8) 39 40 /* user kernel communication data structures. */ 41 42 struct qedr_alloc_ucontext_resp { 43 __u64 db_pa; 44 __u32 db_size; 45 46 __u32 max_send_wr; 47 __u32 max_recv_wr; 48 __u32 max_srq_wr; 49 __u32 sges_per_send_wr; 50 __u32 sges_per_recv_wr; 51 __u32 sges_per_srq_wr; 52 __u32 max_cqes; 53 __u8 dpm_enabled; 54 __u8 wids_enabled; 55 __u16 wid_count; 56 }; 57 58 struct qedr_alloc_pd_ureq { 59 __u64 rsvd1; 60 }; 61 62 struct qedr_alloc_pd_uresp { 63 __u32 pd_id; 64 }; 65 66 struct qedr_create_cq_ureq { 67 __u64 addr; 68 __u64 len; 69 }; 70 71 struct qedr_create_cq_uresp { 72 __u32 db_offset; 73 __u16 icid; 74 }; 75 76 struct qedr_create_qp_ureq { 77 __u32 qp_handle_hi; 78 __u32 qp_handle_lo; 79 80 /* SQ */ 81 /* user space virtual address of SQ buffer */ 82 __u64 sq_addr; 83 84 /* length of SQ buffer */ 85 __u64 sq_len; 86 87 /* RQ */ 88 /* user space virtual address of RQ buffer */ 89 __u64 rq_addr; 90 91 /* length of RQ buffer */ 92 __u64 rq_len; 93 }; 94 95 struct qedr_create_qp_uresp { 96 __u32 qp_id; 97 __u32 atomic_supported; 98 99 /* SQ */ 100 __u32 sq_db_offset; 101 __u16 sq_icid; 102 103 /* RQ */ 104 __u32 rq_db_offset; 105 __u16 rq_icid; 106 107 __u32 rq_db2_offset; 108 }; 109 110 #endif /* __QEDR_USER_H__ */ 111