1 /******************************************************************* 2 * This file is part of the Emulex RoCE Device Driver for * 3 * RoCE (RDMA over Converged Ethernet) adapters. * 4 * Copyright (C) 2008-2012 Emulex. All rights reserved. * 5 * EMULEX and SLI are trademarks of Emulex. * 6 * www.emulex.com * 7 * * 8 * This program is free software; you can redistribute it and/or * 9 * modify it under the terms of version 2 of the GNU General * 10 * Public License as published by the Free Software Foundation. * 11 * This program is distributed in the hope that it will be useful. * 12 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * 13 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * 14 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * 15 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * 16 * TO BE LEGALLY INVALID. See the GNU General Public License for * 17 * more details, a copy of which can be found in the file COPYING * 18 * included with this package. * 19 * 20 * Contact Information: 21 * linux-drivers@emulex.com 22 * 23 * Emulex 24 * 3333 Susan Street 25 * Costa Mesa, CA 92626 26 *******************************************************************/ 27 28 #ifndef __OCRDMA_ABI_H__ 29 #define __OCRDMA_ABI_H__ 30 31 #define OCRDMA_ABI_VERSION 2 32 #define OCRDMA_BE_ROCE_ABI_VERSION 1 33 /* user kernel communication data structures. */ 34 35 struct ocrdma_alloc_ucontext_resp { 36 u32 dev_id; 37 u32 wqe_size; 38 u32 max_inline_data; 39 u32 dpp_wqe_size; 40 u64 ah_tbl_page; 41 u32 ah_tbl_len; 42 u32 rqe_size; 43 u8 fw_ver[32]; 44 /* for future use/new features in progress */ 45 u64 rsvd1; 46 u64 rsvd2; 47 }; 48 49 struct ocrdma_alloc_pd_ureq { 50 u64 rsvd1; 51 }; 52 53 struct ocrdma_alloc_pd_uresp { 54 u32 id; 55 u32 dpp_enabled; 56 u32 dpp_page_addr_hi; 57 u32 dpp_page_addr_lo; 58 u64 rsvd1; 59 }; 60 61 struct ocrdma_create_cq_ureq { 62 u32 dpp_cq; 63 u32 rsvd; /* pad */ 64 }; 65 66 #define MAX_CQ_PAGES 8 67 struct ocrdma_create_cq_uresp { 68 u32 cq_id; 69 u32 page_size; 70 u32 num_pages; 71 u32 max_hw_cqe; 72 u64 page_addr[MAX_CQ_PAGES]; 73 u64 db_page_addr; 74 u32 db_page_size; 75 u32 phase_change; 76 /* for future use/new features in progress */ 77 u64 rsvd1; 78 u64 rsvd2; 79 }; 80 81 #define MAX_QP_PAGES 8 82 #define MAX_UD_AV_PAGES 8 83 84 struct ocrdma_create_qp_ureq { 85 u8 enable_dpp_cq; 86 u8 rsvd; 87 u16 dpp_cq_id; 88 u32 rsvd1; /* pad */ 89 }; 90 91 struct ocrdma_create_qp_uresp { 92 u16 qp_id; 93 u16 sq_dbid; 94 u16 rq_dbid; 95 u16 resv0; /* pad */ 96 u32 sq_page_size; 97 u32 rq_page_size; 98 u32 num_sq_pages; 99 u32 num_rq_pages; 100 u64 sq_page_addr[MAX_QP_PAGES]; 101 u64 rq_page_addr[MAX_QP_PAGES]; 102 u64 db_page_addr; 103 u32 db_page_size; 104 u32 dpp_credit; 105 u32 dpp_offset; 106 u32 num_wqe_allocated; 107 u32 num_rqe_allocated; 108 u32 db_sq_offset; 109 u32 db_rq_offset; 110 u32 db_shift; 111 u64 rsvd[11]; 112 } __packed; 113 114 struct ocrdma_create_srq_uresp { 115 u16 rq_dbid; 116 u16 resv0; /* pad */ 117 u32 resv1; 118 119 u32 rq_page_size; 120 u32 num_rq_pages; 121 122 u64 rq_page_addr[MAX_QP_PAGES]; 123 u64 db_page_addr; 124 125 u32 db_page_size; 126 u32 num_rqe_allocated; 127 u32 db_rq_offset; 128 u32 db_shift; 129 130 u64 rsvd2; 131 u64 rsvd3; 132 }; 133 134 #endif /* __OCRDMA_ABI_H__ */ 135