1 /* 2 * Copyright (c) 2015-2024, Broadcom. All rights reserved. The term 3 * Broadcom refers to Broadcom Limited and/or its subsidiaries. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in 13 * the documentation and/or other materials provided with the 14 * distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 18 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Description: Uverbs ABI header file 29 */ 30 31 #ifndef __BNXT_RE_UVERBS_ABI_H__ 32 #define __BNXT_RE_UVERBS_ABI_H__ 33 34 #include <asm/types.h> 35 #include <linux/types.h> 36 37 #define BNXT_RE_ABI_VERSION 6 38 39 enum { 40 BNXT_RE_COMP_MASK_UCNTX_WC_DPI_ENABLED = 0x01, 41 BNXT_RE_COMP_MASK_UCNTX_POW2_DISABLED = 0x02, 42 BNXT_RE_COMP_MASK_UCNTX_RSVD_WQE_DISABLED = 0x04, 43 BNXT_RE_COMP_MASK_UCNTX_MQP_EX_SUPPORTED = 0x08, 44 BNXT_RE_COMP_MASK_UCNTX_DBR_PACING_ENABLED = 0x10, 45 BNXT_RE_COMP_MASK_UCNTX_DBR_RECOVERY_ENABLED = 0x20, 46 BNXT_RE_COMP_MASK_UCNTX_HW_RETX_ENABLED = 0x40 47 }; 48 49 enum { 50 BNXT_RE_COMP_MASK_REQ_UCNTX_POW2_SUPPORT = 0x01, 51 BNXT_RE_COMP_MASK_REQ_UCNTX_RSVD_WQE = 0x02 52 }; 53 54 struct bnxt_re_uctx_req { 55 __aligned_u64 comp_mask; 56 }; 57 58 #define BNXT_RE_CHIP_ID0_CHIP_NUM_SFT 0x00 59 #define BNXT_RE_CHIP_ID0_CHIP_REV_SFT 0x10 60 #define BNXT_RE_CHIP_ID0_CHIP_MET_SFT 0x18 61 struct bnxt_re_uctx_resp { 62 __u32 dev_id; 63 __u32 max_qp; 64 __u32 pg_size; 65 __u32 cqe_sz; 66 __u32 max_cqd; 67 __u32 chip_id0; 68 __u32 chip_id1; 69 __u32 modes; 70 __aligned_u64 comp_mask; 71 } __attribute__((packed)); 72 73 enum { 74 BNXT_RE_COMP_MASK_PD_HAS_WC_DPI = 0x01, 75 BNXT_RE_COMP_MASK_PD_HAS_DBR_BAR_ADDR = 0x02, 76 }; 77 78 struct bnxt_re_pd_resp { 79 __u32 pdid; 80 __u32 dpi; 81 __u64 dbr; 82 __u64 comp_mask; 83 __u32 wcdpi; 84 __u64 dbr_bar_addr; 85 } __attribute__((packed)); 86 87 enum { 88 BNXT_RE_COMP_MASK_CQ_HAS_DB_INFO = 0x01, 89 BNXT_RE_COMP_MASK_CQ_HAS_WC_DPI = 0x02, 90 BNXT_RE_COMP_MASK_CQ_HAS_CQ_PAGE = 0x04, 91 }; 92 93 enum { 94 BNXT_RE_COMP_MASK_CQ_REQ_HAS_CAP_MASK = 0x1 95 }; 96 97 enum { 98 BNXT_RE_COMP_MASK_CQ_REQ_CAP_DBR_RECOVERY = 0x1, 99 BNXT_RE_COMP_MASK_CQ_REQ_CAP_DBR_PACING_NOTIFY = 0x2 100 }; 101 102 #define BNXT_RE_IS_DBR_PACING_NOTIFY_CQ(_req) \ 103 (_req.comp_mask & BNXT_RE_COMP_MASK_CQ_REQ_HAS_CAP_MASK && \ 104 _req.cq_capability & BNXT_RE_COMP_MASK_CQ_REQ_CAP_DBR_PACING_NOTIFY) 105 106 #define BNXT_RE_IS_DBR_RECOV_CQ(_req) \ 107 (_req.comp_mask & BNXT_RE_COMP_MASK_CQ_REQ_HAS_CAP_MASK && \ 108 _req.cq_capability & BNXT_RE_COMP_MASK_CQ_REQ_CAP_DBR_RECOVERY) 109 110 struct bnxt_re_cq_req { 111 __u64 cq_va; 112 __u64 cq_handle; 113 __aligned_u64 comp_mask; 114 __u16 cq_capability; 115 } __attribute__((packed)); 116 117 struct bnxt_re_cq_resp { 118 __u32 cqid; 119 __u32 tail; 120 __u32 phase; 121 __u32 rsvd; 122 __aligned_u64 comp_mask; 123 __u32 dpi; 124 __u64 dbr; 125 __u32 wcdpi; 126 __u64 uctx_cq_page; 127 } __attribute__((packed)); 128 129 struct bnxt_re_resize_cq_req { 130 __u64 cq_va; 131 } __attribute__((packed)); 132 133 struct bnxt_re_qp_req { 134 __u64 qpsva; 135 __u64 qprva; 136 __u64 qp_handle; 137 } __attribute__((packed)); 138 139 struct bnxt_re_qp_resp { 140 __u32 qpid; 141 } __attribute__((packed)); 142 143 struct bnxt_re_srq_req { 144 __u64 srqva; 145 __u64 srq_handle; 146 } __attribute__((packed)); 147 148 struct bnxt_re_srq_resp { 149 __u32 srqid; 150 } __attribute__((packed)); 151 152 /* Modify QP */ 153 enum { 154 BNXT_RE_COMP_MASK_MQP_EX_PPP_REQ_EN_MASK = 0x1, 155 BNXT_RE_COMP_MASK_MQP_EX_PPP_REQ_EN = 0x1, 156 BNXT_RE_COMP_MASK_MQP_EX_PATH_MTU_MASK = 0x2 157 }; 158 159 struct bnxt_re_modify_qp_ex_req { 160 __aligned_u64 comp_mask; 161 __u32 dpi; 162 __u32 rsvd; 163 } __packed; 164 165 struct bnxt_re_modify_qp_ex_resp { 166 __aligned_u64 comp_mask; 167 __u32 ppp_st_idx; 168 __u32 path_mtu; 169 } __packed; 170 171 enum bnxt_re_shpg_offt { 172 BNXT_RE_BEG_RESV_OFFT = 0x00, 173 BNXT_RE_AVID_OFFT = 0x10, 174 BNXT_RE_AVID_SIZE = 0x04, 175 BNXT_RE_END_RESV_OFFT = 0xFF0 176 }; 177 #endif 178