1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ 2 /* 3 * Broadcom NetXtreme-E RoCE driver. 4 * 5 * Copyright (c) 2016 - 2017, Broadcom. All rights reserved. The term 6 * Broadcom refers to Broadcom Limited and/or its subsidiaries. 7 * 8 * This software is available to you under a choice of one of two 9 * licenses. You may choose to be licensed under the terms of the GNU 10 * General Public License (GPL) Version 2, available from the file 11 * COPYING in the main directory of this source tree, or the 12 * BSD license below: 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 18 * 1. Redistributions of source code must retain the above copyright 19 * notice, this list of conditions and the following disclaimer. 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in 22 * the documentation and/or other materials provided with the 23 * distribution. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' 26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 27 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 32 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 33 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 34 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 35 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 36 * 37 * Description: Uverbs ABI header file 38 */ 39 40 #ifndef __BNXT_RE_UVERBS_ABI_H__ 41 #define __BNXT_RE_UVERBS_ABI_H__ 42 43 #include <linux/types.h> 44 45 #define BNXT_RE_ABI_VERSION 1 46 47 #define BNXT_RE_CHIP_ID0_CHIP_NUM_SFT 0x00 48 #define BNXT_RE_CHIP_ID0_CHIP_REV_SFT 0x10 49 #define BNXT_RE_CHIP_ID0_CHIP_MET_SFT 0x18 50 51 enum { 52 BNXT_RE_UCNTX_CMASK_HAVE_CCTX = 0x1ULL, 53 BNXT_RE_UCNTX_CMASK_HAVE_MODE = 0x02ULL, 54 }; 55 56 enum bnxt_re_wqe_mode { 57 BNXT_QPLIB_WQE_MODE_STATIC = 0x00, 58 BNXT_QPLIB_WQE_MODE_VARIABLE = 0x01, 59 BNXT_QPLIB_WQE_MODE_INVALID = 0x02, 60 }; 61 62 struct bnxt_re_uctx_resp { 63 __u32 dev_id; 64 __u32 max_qp; 65 __u32 pg_size; 66 __u32 cqe_sz; 67 __u32 max_cqd; 68 __u32 rsvd; 69 __aligned_u64 comp_mask; 70 __u32 chip_id0; 71 __u32 chip_id1; 72 __u32 mode; 73 __u32 rsvd1; /* padding */ 74 }; 75 76 /* 77 * This struct is placed after the ib_uverbs_alloc_pd_resp struct, which is 78 * not 8 byted aligned. To avoid undesired padding in various cases we have to 79 * set this struct to packed. 80 */ 81 struct bnxt_re_pd_resp { 82 __u32 pdid; 83 __u32 dpi; 84 __u64 dbr; 85 } __attribute__((packed, aligned(4))); 86 87 struct bnxt_re_cq_req { 88 __aligned_u64 cq_va; 89 __aligned_u64 cq_handle; 90 }; 91 92 struct bnxt_re_cq_resp { 93 __u32 cqid; 94 __u32 tail; 95 __u32 phase; 96 __u32 rsvd; 97 }; 98 99 struct bnxt_re_qp_req { 100 __aligned_u64 qpsva; 101 __aligned_u64 qprva; 102 __aligned_u64 qp_handle; 103 }; 104 105 struct bnxt_re_qp_resp { 106 __u32 qpid; 107 __u32 rsvd; 108 }; 109 110 struct bnxt_re_srq_req { 111 __aligned_u64 srqva; 112 __aligned_u64 srq_handle; 113 }; 114 115 struct bnxt_re_srq_resp { 116 __u32 srqid; 117 }; 118 119 enum bnxt_re_shpg_offt { 120 BNXT_RE_BEG_RESV_OFFT = 0x00, 121 BNXT_RE_AVID_OFFT = 0x10, 122 BNXT_RE_AVID_SIZE = 0x04, 123 BNXT_RE_END_RESV_OFFT = 0xFF0 124 }; 125 126 #endif /* __BNXT_RE_UVERBS_ABI_H__*/ 127