drivers/infiniband/hw/ocrdma/ocrdma_abi.h

   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 struct ocrdma_alloc_ucontext_resp {
  32         u32 dev_id;
  33         u32 wqe_size;
  34         u32 max_inline_data;
  35         u32 dpp_wqe_size;
  36         u64 ah_tbl_page;
  37         u32 ah_tbl_len;
  38         u32 rsvd;
  39         u8 fw_ver[32];
  40         u32 rqe_size;
  41         u64 rsvd1;
  42 } __packed;
  43
  44 /* user kernel communication data structures. */
  45 struct ocrdma_alloc_pd_ureq {
  46         u64 rsvd1;
  47 } __packed;
  48
  49 struct ocrdma_alloc_pd_uresp {
  50         u32 id;
  51         u32 dpp_enabled;
  52         u32 dpp_page_addr_hi;
  53         u32 dpp_page_addr_lo;
  54         u64 rsvd1;
  55 } __packed;
  56
  57 struct ocrdma_create_cq_ureq {
  58         u32 dpp_cq;
  59         u32 rsvd;
  60 } __packed;
  61
  62 #define MAX_CQ_PAGES 8
  63 struct ocrdma_create_cq_uresp {
  64         u32 cq_id;
  65         u32 page_size;
  66         u32 num_pages;
  67         u32 max_hw_cqe;
  68         u64 page_addr[MAX_CQ_PAGES];
  69         u64 db_page_addr;
  70         u32 db_page_size;
  71         u32 phase_change;
  72         u64 rsvd1;
  73         u64 rsvd2;
  74 } __packed;
  75
  76 #define MAX_QP_PAGES 8
  77 #define MAX_UD_AV_PAGES 8
  78
  79 struct ocrdma_create_qp_ureq {
  80         u8 enable_dpp_cq;
  81         u8 rsvd;
  82         u16 dpp_cq_id;
  83         u32 rsvd1;
  84 };
  85
  86 struct ocrdma_create_qp_uresp {
  87         u16 qp_id;
  88         u16 sq_dbid;
  89         u16 rq_dbid;
  90         u16 resv0;
  91         u32 sq_page_size;
  92         u32 rq_page_size;
  93         u32 num_sq_pages;
  94         u32 num_rq_pages;
  95         u64 sq_page_addr[MAX_QP_PAGES];
  96         u64 rq_page_addr[MAX_QP_PAGES];
  97         u64 db_page_addr;
  98         u32 db_page_size;
  99         u32 dpp_credit;
 100         u32 dpp_offset;
 101         u32 rsvd1;
 102         u32 num_wqe_allocated;
 103         u32 num_rqe_allocated;
 104         u32 db_sq_offset;
 105         u32 db_rq_offset;
 106         u32 db_shift;
 107         u64 rsvd2;
 108         u64 rsvd3;
 109 } __packed;
 110
 111 struct ocrdma_create_srq_uresp {
 112         u16 rq_dbid;
 113         u16 resv0;
 114         u32 resv1;
 115
 116         u32 rq_page_size;
 117         u32 num_rq_pages;
 118
 119         u64 rq_page_addr[MAX_QP_PAGES];
 120         u64 db_page_addr;
 121
 122         u32 db_page_size;
 123         u32 num_rqe_allocated;
 124         u32 db_rq_offset;
 125         u32 db_shift;
 126
 127         u64 rsvd2;
 128         u64 rsvd3;
 129 } __packed;
 130
 131 #endif                          /* __OCRDMA_ABI_H__ */