ib_smi.h 4.4 KB

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  1. /*
  2. * Copyright (c) 2004 Mellanox Technologies Ltd. All rights reserved.
  3. * Copyright (c) 2004 Infinicon Corporation. All rights reserved.
  4. * Copyright (c) 2004 Intel Corporation. All rights reserved.
  5. * Copyright (c) 2004 Topspin Corporation. All rights reserved.
  6. * Copyright (c) 2004 Voltaire Corporation. All rights reserved.
  7. *
  8. * This software is available to you under a choice of one of two
  9. * licenses. You may choose to be licensed under the terms of the GNU
  10. * General Public License (GPL) Version 2, available from the file
  11. * COPYING in the main directory of this source tree, or the
  12. * OpenIB.org BSD license below:
  13. *
  14. * Redistribution and use in source and binary forms, with or
  15. * without modification, are permitted provided that the following
  16. * conditions are met:
  17. *
  18. * - Redistributions of source code must retain the above
  19. * copyright notice, this list of conditions and the following
  20. * disclaimer.
  21. *
  22. * - Redistributions in binary form must reproduce the above
  23. * copyright notice, this list of conditions and the following
  24. * disclaimer in the documentation and/or other materials
  25. * provided with the distribution.
  26. *
  27. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  28. * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  29. * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  30. * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  31. * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  32. * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  33. * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  34. * SOFTWARE.
  35. *
  36. * $Id: ib_smi.h,v 1.1.1.1 2007/06/12 07:27:15 eyryu Exp $
  37. */
  38. #if !defined( IB_SMI_H )
  39. #define IB_SMI_H
  40. #include <rdma/ib_mad.h>
  41. #define IB_SMP_DATA_SIZE 64
  42. #define IB_SMP_MAX_PATH_HOPS 64
  43. struct ib_smp {
  44. u8 base_version;
  45. u8 mgmt_class;
  46. u8 class_version;
  47. u8 method;
  48. __be16 status;
  49. u8 hop_ptr;
  50. u8 hop_cnt;
  51. __be64 tid;
  52. __be16 attr_id;
  53. __be16 resv;
  54. __be32 attr_mod;
  55. __be64 mkey;
  56. __be16 dr_slid;
  57. __be16 dr_dlid;
  58. u8 reserved[28];
  59. u8 data[IB_SMP_DATA_SIZE];
  60. u8 initial_path[IB_SMP_MAX_PATH_HOPS];
  61. u8 return_path[IB_SMP_MAX_PATH_HOPS];
  62. } __attribute__ ((packed));
  63. #define IB_SMP_DIRECTION __constant_htons(0x8000)
  64. /* Subnet management attributes */
  65. #define IB_SMP_ATTR_NOTICE __constant_htons(0x0002)
  66. #define IB_SMP_ATTR_NODE_DESC __constant_htons(0x0010)
  67. #define IB_SMP_ATTR_NODE_INFO __constant_htons(0x0011)
  68. #define IB_SMP_ATTR_SWITCH_INFO __constant_htons(0x0012)
  69. #define IB_SMP_ATTR_GUID_INFO __constant_htons(0x0014)
  70. #define IB_SMP_ATTR_PORT_INFO __constant_htons(0x0015)
  71. #define IB_SMP_ATTR_PKEY_TABLE __constant_htons(0x0016)
  72. #define IB_SMP_ATTR_SL_TO_VL_TABLE __constant_htons(0x0017)
  73. #define IB_SMP_ATTR_VL_ARB_TABLE __constant_htons(0x0018)
  74. #define IB_SMP_ATTR_LINEAR_FORWARD_TABLE __constant_htons(0x0019)
  75. #define IB_SMP_ATTR_RANDOM_FORWARD_TABLE __constant_htons(0x001A)
  76. #define IB_SMP_ATTR_MCAST_FORWARD_TABLE __constant_htons(0x001B)
  77. #define IB_SMP_ATTR_SM_INFO __constant_htons(0x0020)
  78. #define IB_SMP_ATTR_VENDOR_DIAG __constant_htons(0x0030)
  79. #define IB_SMP_ATTR_LED_INFO __constant_htons(0x0031)
  80. #define IB_SMP_ATTR_VENDOR_MASK __constant_htons(0xFF00)
  81. struct ib_port_info {
  82. __be64 mkey;
  83. __be64 gid_prefix;
  84. __be16 lid;
  85. __be16 sm_lid;
  86. __be32 cap_mask;
  87. __be16 diag_code;
  88. __be16 mkey_lease_period;
  89. u8 local_port_num;
  90. u8 link_width_enabled;
  91. u8 link_width_supported;
  92. u8 link_width_active;
  93. u8 linkspeed_portstate; /* 4 bits, 4 bits */
  94. u8 portphysstate_linkdown; /* 4 bits, 4 bits */
  95. u8 mkeyprot_resv_lmc; /* 2 bits, 3, 3 */
  96. u8 linkspeedactive_enabled; /* 4 bits, 4 bits */
  97. u8 neighbormtu_mastersmsl; /* 4 bits, 4 bits */
  98. u8 vlcap_inittype; /* 4 bits, 4 bits */
  99. u8 vl_high_limit;
  100. u8 vl_arb_high_cap;
  101. u8 vl_arb_low_cap;
  102. u8 inittypereply_mtucap; /* 4 bits, 4 bits */
  103. u8 vlstallcnt_hoqlife; /* 3 bits, 5 bits */
  104. u8 operationalvl_pei_peo_fpi_fpo; /* 4 bits, 1, 1, 1, 1 */
  105. __be16 mkey_violations;
  106. __be16 pkey_violations;
  107. __be16 qkey_violations;
  108. u8 guid_cap;
  109. u8 clientrereg_resv_subnetto; /* 1 bit, 2 bits, 5 */
  110. u8 resv_resptimevalue; /* 3 bits, 5 bits */
  111. u8 localphyerrors_overrunerrors; /* 4 bits, 4 bits */
  112. __be16 max_credit_hint;
  113. u8 resv;
  114. u8 link_roundtrip_latency[3];
  115. };
  116. static inline u8
  117. ib_get_smp_direction(struct ib_smp *smp)
  118. {
  119. return ((smp->status & IB_SMP_DIRECTION) == IB_SMP_DIRECTION);
  120. }
  121. #endif /* IB_SMI_H */