The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/mthca/mthca_user.h

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    1 /*
    2  * Copyright (c) 2005 Topspin Communications.  All rights reserved.
    3  * Copyright (c) 2005, 2006 Cisco Systems.  All rights reserved.
    4  *
    5  * This software is available to you under a choice of one of two
    6  * licenses.  You may choose to be licensed under the terms of the GNU
    7  * General Public License (GPL) Version 2, available from the file
    8  * COPYING in the main directory of this source tree, or the
    9  * OpenIB.org BSD license below:
   10  *
   11  *     Redistribution and use in source and binary forms, with or
   12  *     without modification, are permitted provided that the following
   13  *     conditions are met:
   14  *
   15  *      - Redistributions of source code must retain the above
   16  *        copyright notice, this list of conditions and the following
   17  *        disclaimer.
   18  *
   19  *      - Redistributions in binary form must reproduce the above
   20  *        copyright notice, this list of conditions and the following
   21  *        disclaimer in the documentation and/or other materials
   22  *        provided with the distribution.
   23  *
   24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   25  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   26  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   27  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
   28  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
   29  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   30  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   31  * SOFTWARE.
   32  */
   33 
   34 #ifndef MTHCA_USER_H
   35 #define MTHCA_USER_H
   36 
   37 #include <linux/types.h>
   38 
   39 /*
   40  * Increment this value if any changes that break userspace ABI
   41  * compatibility are made.
   42  */
   43 #define MTHCA_UVERBS_ABI_VERSION        1
   44 
   45 /*
   46  * Make sure that all structs defined in this file remain laid out so
   47  * that they pack the same way on 32-bit and 64-bit architectures (to
   48  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
   49  * In particular do not use pointer types -- pass pointers in __u64
   50  * instead.
   51  */
   52 
   53 struct mthca_alloc_ucontext_resp {
   54         __u32 qp_tab_size;
   55         __u32 uarc_size;
   56 };
   57 
   58 struct mthca_alloc_pd_resp {
   59         __u32 pdn;
   60         __u32 reserved;
   61 };
   62 
   63 struct mthca_reg_mr {
   64 /*
   65  * Mark the memory region with a DMA attribute that causes
   66  * in-flight DMA to be flushed when the region is written to:
   67  */
   68 #define MTHCA_MR_DMASYNC        0x1
   69         __u32 mr_attrs;
   70         __u32 reserved;
   71 };
   72 
   73 struct mthca_create_cq {
   74         __u32 lkey;
   75         __u32 pdn;
   76         __u64 arm_db_page;
   77         __u64 set_db_page;
   78         __u32 arm_db_index;
   79         __u32 set_db_index;
   80 };
   81 
   82 struct mthca_create_cq_resp {
   83         __u32 cqn;
   84         __u32 reserved;
   85 };
   86 
   87 struct mthca_resize_cq {
   88         __u32 lkey;
   89         __u32 reserved;
   90 };
   91 
   92 struct mthca_create_srq {
   93         __u32 lkey;
   94         __u32 db_index;
   95         __u64 db_page;
   96 };
   97 
   98 struct mthca_create_srq_resp {
   99         __u32 srqn;
  100         __u32 reserved;
  101 };
  102 
  103 struct mthca_create_qp {
  104         __u32 lkey;
  105         __u32 reserved;
  106         __u64 sq_db_page;
  107         __u64 rq_db_page;
  108         __u32 sq_db_index;
  109         __u32 rq_db_index;
  110 };
  111 
  112 #endif /* MTHCA_USER_H */

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