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TOMOYO Linux Cross Reference
Linux/include/rdma/opa_smi.h

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  1 /*
  2  * Copyright (c) 2014 Intel Corporation.  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 #if !defined(OPA_SMI_H)
 34 #define OPA_SMI_H
 35 
 36 #include <rdma/ib_mad.h>
 37 #include <rdma/ib_smi.h>
 38 
 39 #define OPA_SMP_LID_DATA_SIZE                   2016
 40 #define OPA_SMP_DR_DATA_SIZE                    1872
 41 #define OPA_SMP_MAX_PATH_HOPS                   64
 42 
 43 #define OPA_MAX_VLS                             32
 44 #define OPA_MAX_SLS                             32
 45 #define OPA_MAX_SCS                             32
 46 
 47 #define OPA_LID_PERMISSIVE                      cpu_to_be32(0xFFFFFFFF)
 48 
 49 struct opa_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         union {
 63                 struct {
 64                         uint8_t data[OPA_SMP_LID_DATA_SIZE];
 65                 } lid;
 66                 struct {
 67                         __be32  dr_slid;
 68                         __be32  dr_dlid;
 69                         u8      initial_path[OPA_SMP_MAX_PATH_HOPS];
 70                         u8      return_path[OPA_SMP_MAX_PATH_HOPS];
 71                         u8      reserved[8];
 72                         u8      data[OPA_SMP_DR_DATA_SIZE];
 73                 } dr;
 74         } route;
 75 } __packed;
 76 
 77 
 78 /* Subnet management attributes */
 79 /* ... */
 80 #define OPA_ATTRIB_ID_NODE_DESCRIPTION          cpu_to_be16(0x0010)
 81 #define OPA_ATTRIB_ID_NODE_INFO                 cpu_to_be16(0x0011)
 82 #define OPA_ATTRIB_ID_PORT_INFO                 cpu_to_be16(0x0015)
 83 #define OPA_ATTRIB_ID_PARTITION_TABLE           cpu_to_be16(0x0016)
 84 #define OPA_ATTRIB_ID_SL_TO_SC_MAP              cpu_to_be16(0x0017)
 85 #define OPA_ATTRIB_ID_VL_ARBITRATION            cpu_to_be16(0x0018)
 86 #define OPA_ATTRIB_ID_SM_INFO                   cpu_to_be16(0x0020)
 87 #define OPA_ATTRIB_ID_CABLE_INFO                cpu_to_be16(0x0032)
 88 #define OPA_ATTRIB_ID_AGGREGATE                 cpu_to_be16(0x0080)
 89 #define OPA_ATTRIB_ID_SC_TO_SL_MAP              cpu_to_be16(0x0082)
 90 #define OPA_ATTRIB_ID_SC_TO_VLR_MAP             cpu_to_be16(0x0083)
 91 #define OPA_ATTRIB_ID_SC_TO_VLT_MAP             cpu_to_be16(0x0084)
 92 #define OPA_ATTRIB_ID_SC_TO_VLNT_MAP            cpu_to_be16(0x0085)
 93 /* ... */
 94 #define OPA_ATTRIB_ID_PORT_STATE_INFO           cpu_to_be16(0x0087)
 95 /* ... */
 96 #define OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE      cpu_to_be16(0x008A)
 97 /* ... */
 98 
 99 struct opa_node_description {
100         u8 data[64];
101 } __attribute__ ((packed));
102 
103 struct opa_node_info {
104         u8      base_version;
105         u8      class_version;
106         u8      node_type;
107         u8      num_ports;
108         __be32  reserved;
109         __be64  system_image_guid;
110         __be64  node_guid;
111         __be64  port_guid;
112         __be16  partition_cap;
113         __be16  device_id;
114         __be32  revision;
115         u8      local_port_num;
116         u8      vendor_id[3];   /* network byte order */
117 } __attribute__ ((packed));
118 
119 #define OPA_PARTITION_TABLE_BLK_SIZE 32
120 
121 static inline u8
122 opa_get_smp_direction(struct opa_smp *smp)
123 {
124         return ib_get_smp_direction((struct ib_smp *)smp);
125 }
126 
127 static inline u8 *opa_get_smp_data(struct opa_smp *smp)
128 {
129         if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
130                 return smp->route.dr.data;
131 
132         return smp->route.lid.data;
133 }
134 
135 static inline size_t opa_get_smp_data_size(struct opa_smp *smp)
136 {
137         if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
138                 return sizeof(smp->route.dr.data);
139 
140         return sizeof(smp->route.lid.data);
141 }
142 
143 static inline size_t opa_get_smp_header_size(struct opa_smp *smp)
144 {
145         if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
146                 return sizeof(*smp) - sizeof(smp->route.dr.data);
147 
148         return sizeof(*smp) - sizeof(smp->route.lid.data);
149 }
150 
151 #endif /* OPA_SMI_H */
152 

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