ib_smi.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0
    3  *
    4  * Copyright (c) 2004 Mellanox Technologies Ltd.  All rights reserved.
    5  * Copyright (c) 2004 Infinicon Corporation.  All rights reserved.
    6  * Copyright (c) 2004 Intel Corporation.  All rights reserved.
    7  * Copyright (c) 2004 Topspin Corporation.  All rights reserved.
    8  * Copyright (c) 2004 Voltaire Corporation.  All rights reserved.
    9  *
   10  * This software is available to you under a choice of one of two
   11  * licenses.  You may choose to be licensed under the terms of the GNU
   12  * General Public License (GPL) Version 2, available from the file
   13  * COPYING in the main directory of this source tree, or the
   14  * OpenIB.org BSD license below:
   15  *
   16  *     Redistribution and use in source and binary forms, with or
   17  *     without modification, are permitted provided that the following
   18  *     conditions are met:
   19  *
   20  *      - Redistributions of source code must retain the above
   21  *        copyright notice, this list of conditions and the following
   22  *        disclaimer.
   23  *
   24  *      - Redistributions in binary form must reproduce the above
   25  *        copyright notice, this list of conditions and the following
   26  *        disclaimer in the documentation and/or other materials
   27  *        provided with the distribution.
   28  *
   29  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   30  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   31  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   32  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
   33  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
   34  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   35  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   36  * SOFTWARE.
   37  *
   38  * $FreeBSD$
   39  */
   40 
   41 #if !defined(IB_SMI_H)
   42 #define IB_SMI_H
   43 
   44 #include <rdma/ib_mad.h>
   45 
   46 #define IB_SMP_DATA_SIZE                        64
   47 #define IB_SMP_MAX_PATH_HOPS                    64
   48 
   49 struct ib_smp {
   50         u8      base_version;
   51         u8      mgmt_class;
   52         u8      class_version;
   53         u8      method;
   54         __be16  status;
   55         u8      hop_ptr;
   56         u8      hop_cnt;
   57         __be64  tid;
   58         __be16  attr_id;
   59         __be16  resv;
   60         __be32  attr_mod;
   61         __be64  mkey;
   62         __be16  dr_slid;
   63         __be16  dr_dlid;
   64         u8      reserved[28];
   65         u8      data[IB_SMP_DATA_SIZE];
   66         u8      initial_path[IB_SMP_MAX_PATH_HOPS];
   67         u8      return_path[IB_SMP_MAX_PATH_HOPS];
   68 } __attribute__ ((packed));
   69 
   70 #define IB_SMP_DIRECTION                        cpu_to_be16(0x8000)
   71 
   72 /* Subnet management attributes */
   73 #define IB_SMP_ATTR_NOTICE                      cpu_to_be16(0x0002)
   74 #define IB_SMP_ATTR_NODE_DESC                   cpu_to_be16(0x0010)
   75 #define IB_SMP_ATTR_NODE_INFO                   cpu_to_be16(0x0011)
   76 #define IB_SMP_ATTR_SWITCH_INFO                 cpu_to_be16(0x0012)
   77 #define IB_SMP_ATTR_GUID_INFO                   cpu_to_be16(0x0014)
   78 #define IB_SMP_ATTR_PORT_INFO                   cpu_to_be16(0x0015)
   79 #define IB_SMP_ATTR_PKEY_TABLE                  cpu_to_be16(0x0016)
   80 #define IB_SMP_ATTR_SL_TO_VL_TABLE              cpu_to_be16(0x0017)
   81 #define IB_SMP_ATTR_VL_ARB_TABLE                cpu_to_be16(0x0018)
   82 #define IB_SMP_ATTR_LINEAR_FORWARD_TABLE        cpu_to_be16(0x0019)
   83 #define IB_SMP_ATTR_RANDOM_FORWARD_TABLE        cpu_to_be16(0x001A)
   84 #define IB_SMP_ATTR_MCAST_FORWARD_TABLE         cpu_to_be16(0x001B)
   85 #define IB_SMP_ATTR_SM_INFO                     cpu_to_be16(0x0020)
   86 #define IB_SMP_ATTR_VENDOR_DIAG                 cpu_to_be16(0x0030)
   87 #define IB_SMP_ATTR_LED_INFO                    cpu_to_be16(0x0031)
   88 #define IB_SMP_ATTR_VENDOR_MASK                 cpu_to_be16(0xFF00)
   89 
   90 struct ib_port_info {
   91         __be64 mkey;
   92         __be64 gid_prefix;
   93         __be16 lid;
   94         __be16 sm_lid;
   95         __be32 cap_mask;
   96         __be16 diag_code;
   97         __be16 mkey_lease_period;
   98         u8 local_port_num;
   99         u8 link_width_enabled;
  100         u8 link_width_supported;
  101         u8 link_width_active;
  102         u8 linkspeed_portstate;                 /* 4 bits, 4 bits */
  103         u8 portphysstate_linkdown;              /* 4 bits, 4 bits */
  104         u8 mkeyprot_resv_lmc;                   /* 2 bits, 3, 3 */
  105         u8 linkspeedactive_enabled;             /* 4 bits, 4 bits */
  106         u8 neighbormtu_mastersmsl;              /* 4 bits, 4 bits */
  107         u8 vlcap_inittype;                      /* 4 bits, 4 bits */
  108         u8 vl_high_limit;
  109         u8 vl_arb_high_cap;
  110         u8 vl_arb_low_cap;
  111         u8 inittypereply_mtucap;                /* 4 bits, 4 bits */
  112         u8 vlstallcnt_hoqlife;                  /* 3 bits, 5 bits */
  113         u8 operationalvl_pei_peo_fpi_fpo;       /* 4 bits, 1, 1, 1, 1 */
  114         __be16 mkey_violations;
  115         __be16 pkey_violations;
  116         __be16 qkey_violations;
  117         u8 guid_cap;
  118         u8 clientrereg_resv_subnetto;           /* 1 bit, 2 bits, 5 */
  119         u8 resv_resptimevalue;                  /* 3 bits, 5 bits */
  120         u8 localphyerrors_overrunerrors;        /* 4 bits, 4 bits */
  121         __be16 max_credit_hint;
  122         u8 resv;
  123         u8 link_roundtrip_latency[3];
  124 };
  125 
  126 struct ib_node_info {
  127         u8 base_version;
  128         u8 class_version;
  129         u8 node_type;
  130         u8 num_ports;
  131         __be64 sys_guid;
  132         __be64 node_guid;
  133         __be64 port_guid;
  134         __be16 partition_cap;
  135         __be16 device_id;
  136         __be32 revision;
  137         u8 local_port_num;
  138         u8 vendor_id[3];
  139 } __packed;
  140 
  141 struct ib_vl_weight_elem {
  142         u8      vl;     /* IB: VL is low 4 bits, upper 4 bits reserved */
  143                         /* OPA: VL is low 5 bits, upper 3 bits reserved */
  144         u8      weight;
  145 };
  146 
  147 static inline u8
  148 ib_get_smp_direction(const struct ib_smp *smp)
  149 {
  150         return ((smp->status & IB_SMP_DIRECTION) == IB_SMP_DIRECTION);
  151 }
  152 
  153 /*
  154  * SM Trap/Notice numbers
  155  */
  156 #define IB_NOTICE_TRAP_LLI_THRESH       cpu_to_be16(129)
  157 #define IB_NOTICE_TRAP_EBO_THRESH       cpu_to_be16(130)
  158 #define IB_NOTICE_TRAP_FLOW_UPDATE      cpu_to_be16(131)
  159 #define IB_NOTICE_TRAP_CAP_MASK_CHG     cpu_to_be16(144)
  160 #define IB_NOTICE_TRAP_SYS_GUID_CHG     cpu_to_be16(145)
  161 #define IB_NOTICE_TRAP_BAD_MKEY         cpu_to_be16(256)
  162 #define IB_NOTICE_TRAP_BAD_PKEY         cpu_to_be16(257)
  163 #define IB_NOTICE_TRAP_BAD_QKEY         cpu_to_be16(258)
  164 
  165 /*
  166  * Other local changes flags (trap 144).
  167  */
  168 #define IB_NOTICE_TRAP_LSE_CHG          0x04    /* Link Speed Enable changed */
  169 #define IB_NOTICE_TRAP_LWE_CHG          0x02    /* Link Width Enable changed */
  170 #define IB_NOTICE_TRAP_NODE_DESC_CHG    0x01
  171 
  172 /*
  173  * M_Key volation flags in dr_trunc_hop (trap 256).
  174  */
  175 #define IB_NOTICE_TRAP_DR_NOTICE        0x80
  176 #define IB_NOTICE_TRAP_DR_TRUNC         0x40
  177 
  178 
  179 #endif /* IB_SMI_H */

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

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