opa_smi.h 4.4 KB

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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. #if !defined(OPA_SMI_H)
  33. #define OPA_SMI_H
  34. #include <rdma/ib_mad.h>
  35. #include <rdma/ib_smi.h>
  36. #define OPA_SMP_LID_DATA_SIZE 2016
  37. #define OPA_SMP_DR_DATA_SIZE 1872
  38. #define OPA_SMP_MAX_PATH_HOPS 64
  39. #define OPA_MAX_VLS 32
  40. #define OPA_MAX_SLS 32
  41. #define OPA_MAX_SCS 32
  42. #define OPA_SMI_CLASS_VERSION 0x80
  43. #define OPA_LID_PERMISSIVE cpu_to_be32(0xFFFFFFFF)
  44. struct opa_smp {
  45. u8 base_version;
  46. u8 mgmt_class;
  47. u8 class_version;
  48. u8 method;
  49. __be16 status;
  50. u8 hop_ptr;
  51. u8 hop_cnt;
  52. __be64 tid;
  53. __be16 attr_id;
  54. __be16 resv;
  55. __be32 attr_mod;
  56. __be64 mkey;
  57. union {
  58. struct {
  59. uint8_t data[OPA_SMP_LID_DATA_SIZE];
  60. } lid;
  61. struct {
  62. __be32 dr_slid;
  63. __be32 dr_dlid;
  64. u8 initial_path[OPA_SMP_MAX_PATH_HOPS];
  65. u8 return_path[OPA_SMP_MAX_PATH_HOPS];
  66. u8 reserved[8];
  67. u8 data[OPA_SMP_DR_DATA_SIZE];
  68. } dr;
  69. } route;
  70. } __packed;
  71. /* Subnet management attributes */
  72. /* ... */
  73. #define OPA_ATTRIB_ID_NODE_DESCRIPTION cpu_to_be16(0x0010)
  74. #define OPA_ATTRIB_ID_NODE_INFO cpu_to_be16(0x0011)
  75. #define OPA_ATTRIB_ID_PORT_INFO cpu_to_be16(0x0015)
  76. #define OPA_ATTRIB_ID_PARTITION_TABLE cpu_to_be16(0x0016)
  77. #define OPA_ATTRIB_ID_SL_TO_SC_MAP cpu_to_be16(0x0017)
  78. #define OPA_ATTRIB_ID_VL_ARBITRATION cpu_to_be16(0x0018)
  79. #define OPA_ATTRIB_ID_SM_INFO cpu_to_be16(0x0020)
  80. #define OPA_ATTRIB_ID_CABLE_INFO cpu_to_be16(0x0032)
  81. #define OPA_ATTRIB_ID_AGGREGATE cpu_to_be16(0x0080)
  82. #define OPA_ATTRIB_ID_SC_TO_SL_MAP cpu_to_be16(0x0082)
  83. #define OPA_ATTRIB_ID_SC_TO_VLR_MAP cpu_to_be16(0x0083)
  84. #define OPA_ATTRIB_ID_SC_TO_VLT_MAP cpu_to_be16(0x0084)
  85. #define OPA_ATTRIB_ID_SC_TO_VLNT_MAP cpu_to_be16(0x0085)
  86. /* ... */
  87. #define OPA_ATTRIB_ID_PORT_STATE_INFO cpu_to_be16(0x0087)
  88. /* ... */
  89. #define OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE cpu_to_be16(0x008A)
  90. /* ... */
  91. struct opa_node_description {
  92. u8 data[64];
  93. } __attribute__ ((packed));
  94. struct opa_node_info {
  95. u8 base_version;
  96. u8 class_version;
  97. u8 node_type;
  98. u8 num_ports;
  99. __be32 reserved;
  100. __be64 system_image_guid;
  101. __be64 node_guid;
  102. __be64 port_guid;
  103. __be16 partition_cap;
  104. __be16 device_id;
  105. __be32 revision;
  106. u8 local_port_num;
  107. u8 vendor_id[3]; /* network byte order */
  108. } __attribute__ ((packed));
  109. #define OPA_PARTITION_TABLE_BLK_SIZE 32
  110. static inline u8
  111. opa_get_smp_direction(struct opa_smp *smp)
  112. {
  113. return ib_get_smp_direction((struct ib_smp *)smp);
  114. }
  115. static inline u8 *opa_get_smp_data(struct opa_smp *smp)
  116. {
  117. if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
  118. return smp->route.dr.data;
  119. return smp->route.lid.data;
  120. }
  121. static inline size_t opa_get_smp_data_size(struct opa_smp *smp)
  122. {
  123. if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
  124. return sizeof(smp->route.dr.data);
  125. return sizeof(smp->route.lid.data);
  126. }
  127. static inline size_t opa_get_smp_header_size(struct opa_smp *smp)
  128. {
  129. if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
  130. return sizeof(*smp) - sizeof(smp->route.dr.data);
  131. return sizeof(*smp) - sizeof(smp->route.lid.data);
  132. }
  133. #endif /* OPA_SMI_H */