opa_smi.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0
    3  *
    4  * Copyright (c) 2014 Intel Corporation.  All rights reserved.
    5  *
    6  * This software is available to you under a choice of one of two
    7  * licenses.  You may choose to be licensed under the terms of the GNU
    8  * General Public License (GPL) Version 2, available from the file
    9  * COPYING in the main directory of this source tree, or the
   10  * OpenIB.org BSD license below:
   11  *
   12  *     Redistribution and use in source and binary forms, with or
   13  *     without modification, are permitted provided that the following
   14  *     conditions are met:
   15  *
   16  *      - Redistributions of source code must retain the above
   17  *        copyright notice, this list of conditions and the following
   18  *        disclaimer.
   19  *
   20  *      - Redistributions in binary form must reproduce the above
   21  *        copyright notice, this list of conditions and the following
   22  *        disclaimer in the documentation and/or other materials
   23  *        provided with the distribution.
   24  *
   25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
   29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
   30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   32  * SOFTWARE.
   33  *
   34  * $FreeBSD$
   35  */
   36 
   37 #if !defined(OPA_SMI_H)
   38 #define OPA_SMI_H
   39 
   40 #include <rdma/ib_mad.h>
   41 #include <rdma/ib_smi.h>
   42 
   43 #define OPA_SMP_LID_DATA_SIZE                   2016
   44 #define OPA_SMP_DR_DATA_SIZE                    1872
   45 #define OPA_SMP_MAX_PATH_HOPS                   64
   46 
   47 #define OPA_MAX_VLS                             32
   48 #define OPA_MAX_SLS                             32
   49 #define OPA_MAX_SCS                             32
   50 
   51 #define OPA_SMI_CLASS_VERSION                   0x80
   52 
   53 #define OPA_LID_PERMISSIVE                      cpu_to_be32(0xFFFFFFFF)
   54 
   55 struct opa_smp {
   56         u8      base_version;
   57         u8      mgmt_class;
   58         u8      class_version;
   59         u8      method;
   60         __be16  status;
   61         u8      hop_ptr;
   62         u8      hop_cnt;
   63         __be64  tid;
   64         __be16  attr_id;
   65         __be16  resv;
   66         __be32  attr_mod;
   67         __be64  mkey;
   68         union {
   69                 struct {
   70                         uint8_t data[OPA_SMP_LID_DATA_SIZE];
   71                 } lid;
   72                 struct {
   73                         __be32  dr_slid;
   74                         __be32  dr_dlid;
   75                         u8      initial_path[OPA_SMP_MAX_PATH_HOPS];
   76                         u8      return_path[OPA_SMP_MAX_PATH_HOPS];
   77                         u8      reserved[8];
   78                         u8      data[OPA_SMP_DR_DATA_SIZE];
   79                 } dr;
   80         } route;
   81 } __packed;
   82 
   83 
   84 /* Subnet management attributes */
   85 /* ... */
   86 #define OPA_ATTRIB_ID_NODE_DESCRIPTION          cpu_to_be16(0x0010)
   87 #define OPA_ATTRIB_ID_NODE_INFO                 cpu_to_be16(0x0011)
   88 #define OPA_ATTRIB_ID_PORT_INFO                 cpu_to_be16(0x0015)
   89 #define OPA_ATTRIB_ID_PARTITION_TABLE           cpu_to_be16(0x0016)
   90 #define OPA_ATTRIB_ID_SL_TO_SC_MAP              cpu_to_be16(0x0017)
   91 #define OPA_ATTRIB_ID_VL_ARBITRATION            cpu_to_be16(0x0018)
   92 #define OPA_ATTRIB_ID_SM_INFO                   cpu_to_be16(0x0020)
   93 #define OPA_ATTRIB_ID_CABLE_INFO                cpu_to_be16(0x0032)
   94 #define OPA_ATTRIB_ID_AGGREGATE                 cpu_to_be16(0x0080)
   95 #define OPA_ATTRIB_ID_SC_TO_SL_MAP              cpu_to_be16(0x0082)
   96 #define OPA_ATTRIB_ID_SC_TO_VLR_MAP             cpu_to_be16(0x0083)
   97 #define OPA_ATTRIB_ID_SC_TO_VLT_MAP             cpu_to_be16(0x0084)
   98 #define OPA_ATTRIB_ID_SC_TO_VLNT_MAP            cpu_to_be16(0x0085)
   99 /* ... */
  100 #define OPA_ATTRIB_ID_PORT_STATE_INFO           cpu_to_be16(0x0087)
  101 /* ... */
  102 #define OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE      cpu_to_be16(0x008A)
  103 /* ... */
  104 
  105 struct opa_node_description {
  106         u8 data[64];
  107 } __attribute__ ((packed));
  108 
  109 struct opa_node_info {
  110         u8      base_version;
  111         u8      class_version;
  112         u8      node_type;
  113         u8      num_ports;
  114         __be32  reserved;
  115         __be64  system_image_guid;
  116         __be64  node_guid;
  117         __be64  port_guid;
  118         __be16  partition_cap;
  119         __be16  device_id;
  120         __be32  revision;
  121         u8      local_port_num;
  122         u8      vendor_id[3];   /* network byte order */
  123 } __attribute__ ((packed));
  124 
  125 #define OPA_PARTITION_TABLE_BLK_SIZE 32
  126 
  127 static inline u8
  128 opa_get_smp_direction(const struct opa_smp *smp)
  129 {
  130         return ib_get_smp_direction((const struct ib_smp *)smp);
  131 }
  132 
  133 static inline u8 *opa_get_smp_data(struct opa_smp *smp)
  134 {
  135         if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
  136                 return smp->route.dr.data;
  137 
  138         return smp->route.lid.data;
  139 }
  140 
  141 static inline size_t opa_get_smp_data_size(const struct opa_smp *smp)
  142 {
  143         if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
  144                 return sizeof(smp->route.dr.data);
  145 
  146         return sizeof(smp->route.lid.data);
  147 }
  148 
  149 static inline size_t opa_get_smp_header_size(const struct opa_smp *smp)
  150 {
  151         if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
  152                 return sizeof(*smp) - sizeof(smp->route.dr.data);
  153 
  154         return sizeof(*smp) - sizeof(smp->route.lid.data);
  155 }
  156 
  157 #endif /* OPA_SMI_H */

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FreeBSD/Linux Kernel Cross Reference sys/ofed/include/rdma/opa_smi.h

FreeBSD/Linux Kernel Cross Reference
sys/ofed/include/rdma/opa_smi.h