contrib/ofed/libibverbs/include/infiniband/opcode.h

   1 /*
   2  * Copyright (c) 2005 Topspin Communications.  All rights reserved.
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and/or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32
  33 #ifndef INFINIBAND_OPCODE_H
  34 #define INFINIBAND_OPCODE_H
  35
  36 /*
  37  * This macro cleans up the definitions of constants for BTH opcodes.
  38  * It is used to define constants such as IBV_OPCODE_UD_SEND_ONLY,
  39  * which becomes IBV_OPCODE_UD + IBV_OPCODE_SEND_ONLY, and this gives
  40  * the correct value.
  41  *
  42  * In short, user code should use the constants defined using the
  43  * macro rather than worrying about adding together other constants.
  44 */
  45 #define IBV_OPCODE(transport, op) \
  46         IBV_OPCODE_ ## transport ## _ ## op = \
  47                 IBV_OPCODE_ ## transport + IBV_OPCODE_ ## op
  48
  49 enum {
  50         /* transport types -- just used to define real constants */
  51         IBV_OPCODE_RC                                = 0x00,
  52         IBV_OPCODE_UC                                = 0x20,
  53         IBV_OPCODE_RD                                = 0x40,
  54         IBV_OPCODE_UD                                = 0x60,
  55
  56         /* operations -- just used to define real constants */
  57         IBV_OPCODE_SEND_FIRST                        = 0x00,
  58         IBV_OPCODE_SEND_MIDDLE                       = 0x01,
  59         IBV_OPCODE_SEND_LAST                         = 0x02,
  60         IBV_OPCODE_SEND_LAST_WITH_IMMEDIATE          = 0x03,
  61         IBV_OPCODE_SEND_ONLY                         = 0x04,
  62         IBV_OPCODE_SEND_ONLY_WITH_IMMEDIATE          = 0x05,
  63         IBV_OPCODE_RDMA_WRITE_FIRST                  = 0x06,
  64         IBV_OPCODE_RDMA_WRITE_MIDDLE                 = 0x07,
  65         IBV_OPCODE_RDMA_WRITE_LAST                   = 0x08,
  66         IBV_OPCODE_RDMA_WRITE_LAST_WITH_IMMEDIATE    = 0x09,
  67         IBV_OPCODE_RDMA_WRITE_ONLY                   = 0x0a,
  68         IBV_OPCODE_RDMA_WRITE_ONLY_WITH_IMMEDIATE    = 0x0b,
  69         IBV_OPCODE_RDMA_READ_REQUEST                 = 0x0c,
  70         IBV_OPCODE_RDMA_READ_RESPONSE_FIRST          = 0x0d,
  71         IBV_OPCODE_RDMA_READ_RESPONSE_MIDDLE         = 0x0e,
  72         IBV_OPCODE_RDMA_READ_RESPONSE_LAST           = 0x0f,
  73         IBV_OPCODE_RDMA_READ_RESPONSE_ONLY           = 0x10,
  74         IBV_OPCODE_ACKNOWLEDGE                       = 0x11,
  75         IBV_OPCODE_ATOMIC_ACKNOWLEDGE                = 0x12,
  76         IBV_OPCODE_COMPARE_SWAP                      = 0x13,
  77         IBV_OPCODE_FETCH_ADD                         = 0x14,
  78
  79         /* real constants follow -- see comment about above IBV_OPCODE()
  80            macro for more details */
  81
  82         /* RC */
  83         IBV_OPCODE(RC, SEND_FIRST),
  84         IBV_OPCODE(RC, SEND_MIDDLE),
  85         IBV_OPCODE(RC, SEND_LAST),
  86         IBV_OPCODE(RC, SEND_LAST_WITH_IMMEDIATE),
  87         IBV_OPCODE(RC, SEND_ONLY),
  88         IBV_OPCODE(RC, SEND_ONLY_WITH_IMMEDIATE),
  89         IBV_OPCODE(RC, RDMA_WRITE_FIRST),
  90         IBV_OPCODE(RC, RDMA_WRITE_MIDDLE),
  91         IBV_OPCODE(RC, RDMA_WRITE_LAST),
  92         IBV_OPCODE(RC, RDMA_WRITE_LAST_WITH_IMMEDIATE),
  93         IBV_OPCODE(RC, RDMA_WRITE_ONLY),
  94         IBV_OPCODE(RC, RDMA_WRITE_ONLY_WITH_IMMEDIATE),
  95         IBV_OPCODE(RC, RDMA_READ_REQUEST),
  96         IBV_OPCODE(RC, RDMA_READ_RESPONSE_FIRST),
  97         IBV_OPCODE(RC, RDMA_READ_RESPONSE_MIDDLE),
  98         IBV_OPCODE(RC, RDMA_READ_RESPONSE_LAST),
  99         IBV_OPCODE(RC, RDMA_READ_RESPONSE_ONLY),
 100         IBV_OPCODE(RC, ACKNOWLEDGE),
 101         IBV_OPCODE(RC, ATOMIC_ACKNOWLEDGE),
 102         IBV_OPCODE(RC, COMPARE_SWAP),
 103         IBV_OPCODE(RC, FETCH_ADD),
 104
 105         /* UC */
 106         IBV_OPCODE(UC, SEND_FIRST),
 107         IBV_OPCODE(UC, SEND_MIDDLE),
 108         IBV_OPCODE(UC, SEND_LAST),
 109         IBV_OPCODE(UC, SEND_LAST_WITH_IMMEDIATE),
 110         IBV_OPCODE(UC, SEND_ONLY),
 111         IBV_OPCODE(UC, SEND_ONLY_WITH_IMMEDIATE),
 112         IBV_OPCODE(UC, RDMA_WRITE_FIRST),
 113         IBV_OPCODE(UC, RDMA_WRITE_MIDDLE),
 114         IBV_OPCODE(UC, RDMA_WRITE_LAST),
 115         IBV_OPCODE(UC, RDMA_WRITE_LAST_WITH_IMMEDIATE),
 116         IBV_OPCODE(UC, RDMA_WRITE_ONLY),
 117         IBV_OPCODE(UC, RDMA_WRITE_ONLY_WITH_IMMEDIATE),
 118
 119         /* RD */
 120         IBV_OPCODE(RD, SEND_FIRST),
 121         IBV_OPCODE(RD, SEND_MIDDLE),
 122         IBV_OPCODE(RD, SEND_LAST),
 123         IBV_OPCODE(RD, SEND_LAST_WITH_IMMEDIATE),
 124         IBV_OPCODE(RD, SEND_ONLY),
 125         IBV_OPCODE(RD, SEND_ONLY_WITH_IMMEDIATE),
 126         IBV_OPCODE(RD, RDMA_WRITE_FIRST),
 127         IBV_OPCODE(RD, RDMA_WRITE_MIDDLE),
 128         IBV_OPCODE(RD, RDMA_WRITE_LAST),
 129         IBV_OPCODE(RD, RDMA_WRITE_LAST_WITH_IMMEDIATE),
 130         IBV_OPCODE(RD, RDMA_WRITE_ONLY),
 131         IBV_OPCODE(RD, RDMA_WRITE_ONLY_WITH_IMMEDIATE),
 132         IBV_OPCODE(RD, RDMA_READ_REQUEST),
 133         IBV_OPCODE(RD, RDMA_READ_RESPONSE_FIRST),
 134         IBV_OPCODE(RD, RDMA_READ_RESPONSE_MIDDLE),
 135         IBV_OPCODE(RD, RDMA_READ_RESPONSE_LAST),
 136         IBV_OPCODE(RD, RDMA_READ_RESPONSE_ONLY),
 137         IBV_OPCODE(RD, ACKNOWLEDGE),
 138         IBV_OPCODE(RD, ATOMIC_ACKNOWLEDGE),
 139         IBV_OPCODE(RD, COMPARE_SWAP),
 140         IBV_OPCODE(RD, FETCH_ADD),
 141
 142         /* UD */
 143         IBV_OPCODE(UD, SEND_ONLY),
 144         IBV_OPCODE(UD, SEND_ONLY_WITH_IMMEDIATE)
 145 };
 146
 147 #endif /* INFINIBAND_OPCODE_H */