1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_IB_ADAPTERS_MLNX_UMAP_H 28 #define _SYS_IB_ADAPTERS_MLNX_UMAP_H 29 30 #ifdef __cplusplus 31 extern "C" { 32 #endif 33 34 /* 35 * mlnx_umap.h 36 * Contains all of the definions necessary for communicating the data 37 * needed for direct userland access to resources on Mellanox HCAs. 38 */ 39 40 /* 41 * Note: The structs in this file are used in the interface(s) 42 * between kernel service drivers, e.g. daplt, and the libraries 43 * on top of them, e.g. udapl_tavor.so.1. When any of the 44 * structs in this file change, any version control between the 45 * kernel service driver and the library will need to change. 46 * 47 * There is a version control on the structs defined here. The library 48 * (consumer of structs from ibt_ci_data_out()) must verify a version 49 * field to correctly read the data provided by the kernel driver 50 * (tavor, arbel, and hermon). 51 */ 52 53 #define MLNX_UMAP_IF_VERSION 2 54 55 /* 56 * The following defines are used in the database type field for each database 57 * entry. They specify the type of object (UAR pages, PIDs, CQ, QP, and MR 58 * umemcookie) that corresponds to the database key value. On database queries, 59 * this type value must match the search criterion. 60 */ 61 #define MLNX_UMAP_UARPG_RSRC 0x11 62 #define MLNX_UMAP_BLUEFLAMEPG_RSRC 0x12 63 #define MLNX_UMAP_PID_RSRC 0x22 64 #define MLNX_UMAP_CQMEM_RSRC 0x33 65 #define MLNX_UMAP_QPMEM_RSRC 0x44 66 #define MLNX_UMAP_MRMEM_RSRC 0x55 67 #define MLNX_UMAP_SRQMEM_RSRC 0x66 68 #define MLNX_UMAP_DBRMEM_RSRC 0x77 69 #define MLNX_UMAP_RSRC_TYPE_MASK 0xFF 70 #define MLNX_UMAP_RSRC_TYPE_SHIFT 8 71 72 /* umap structures */ 73 74 typedef struct mlnx_umap_cq_data_out_s { 75 uint_t mcq_rev; 76 uint32_t mcq_cqnum; 77 uint64_t mcq_mapoffset; 78 uint64_t mcq_maplen; 79 uint32_t mcq_numcqe; 80 uint32_t mcq_cqesz; 81 82 /* Arbel/Hermon doorbell records */ 83 uint64_t mcq_armdbr_mapoffset; 84 uint64_t mcq_armdbr_maplen; 85 uint64_t mcq_polldbr_mapoffset; 86 uint64_t mcq_polldbr_maplen; 87 uint32_t mcq_armdbr_offset; 88 uint32_t mcq_polldbr_offset; 89 } mlnx_umap_cq_data_out_t; 90 91 typedef struct mlnx_umap_qp_data_out_s { 92 uint_t mqp_rev; 93 uint32_t mqp_qpnum; 94 uint64_t mqp_mapoffset; 95 uint64_t mqp_maplen; 96 97 uint32_t mqp_rq_off; 98 uint32_t mqp_rq_desc_addr; 99 uint32_t mqp_rq_numwqe; 100 uint32_t mqp_rq_wqesz; 101 102 uint32_t mqp_sq_off; 103 uint32_t mqp_sq_desc_addr; 104 uint32_t mqp_sq_numwqe; 105 uint32_t mqp_sq_wqesz; 106 107 /* Arbel/Hermon doorbell records */ 108 uint64_t mqp_sdbr_mapoffset; 109 uint64_t mqp_sdbr_maplen; 110 uint64_t mqp_rdbr_mapoffset; 111 uint64_t mqp_rdbr_maplen; 112 uint32_t mqp_sdbr_offset; 113 uint32_t mqp_rdbr_offset; 114 115 /* Hermon send queue headroom, in units of wqes */ 116 uint32_t mqp_sq_headroomwqes; 117 } mlnx_umap_qp_data_out_t; 118 119 typedef struct mlnx_umap_srq_data_out_s { 120 uint_t msrq_rev; 121 uint32_t msrq_srqnum; 122 uint64_t msrq_mapoffset; 123 uint64_t msrq_maplen; 124 uint32_t msrq_desc_addr; 125 uint32_t msrq_numwqe; 126 uint32_t msrq_wqesz; 127 uint32_t msrq_pad1; /* reserved */ 128 129 /* Arbel/Hermon doorbell records */ 130 uint64_t msrq_rdbr_mapoffset; 131 uint64_t msrq_rdbr_maplen; 132 uint32_t msrq_rdbr_offset; 133 uint32_t msrq_reserved; 134 } mlnx_umap_srq_data_out_t; 135 136 typedef struct mlnx_umap_pd_data_out_s { 137 uint_t mpd_rev; 138 uint32_t mpd_pdnum; 139 } mlnx_umap_pd_data_out_t; 140 141 #ifdef __cplusplus 142 } 143 #endif 144 145 #endif /* _SYS_IB_ADAPTERS_MLNX_UMAP_H */ 146