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ib_service.c 2.2KB

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  1. /*
  2. * Copyright (C) 2016 Michael Brown <mbrown@fensystems.co.uk>.
  3. *
  4. * This program is free software; you can redistribute it and/or
  5. * modify it under the terms of the GNU General Public License as
  6. * published by the Free Software Foundation; either version 2 of the
  7. * License, or any later version.
  8. *
  9. * This program is distributed in the hope that it will be useful, but
  10. * WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  12. * General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU General Public License
  15. * along with this program; if not, write to the Free Software
  16. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  17. * 02110-1301, USA.
  18. *
  19. * You can also choose to distribute this program under the terms of
  20. * the Unmodified Binary Distribution Licence (as given in the file
  21. * COPYING.UBDL), provided that you have satisfied its requirements.
  22. */
  23. FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
  24. #include <string.h>
  25. #include <stdio.h>
  26. #include <byteswap.h>
  27. #include <ipxe/infiniband.h>
  28. #include <ipxe/ib_mi.h>
  29. #include <ipxe/ib_service.h>
  30. /** @file
  31. *
  32. * Infiniband service records
  33. *
  34. */
  35. /**
  36. * Create service record management transaction
  37. *
  38. * @v ibdev Infiniband device
  39. * @v mi Management interface
  40. * @v name Service name
  41. * @v op Management transaction operations
  42. * @ret madx Management transaction, or NULL on error
  43. */
  44. struct ib_mad_transaction *
  45. ib_create_service_madx ( struct ib_device *ibdev,
  46. struct ib_mad_interface *mi, const char *name,
  47. struct ib_mad_transaction_operations *op ) {
  48. union ib_mad mad;
  49. struct ib_mad_sa *sa = &mad.sa;
  50. struct ib_service_record *svc = &sa->sa_data.service_record;
  51. /* Construct service record request */
  52. memset ( sa, 0, sizeof ( *sa ) );
  53. sa->mad_hdr.mgmt_class = IB_MGMT_CLASS_SUBN_ADM;
  54. sa->mad_hdr.class_version = IB_SA_CLASS_VERSION;
  55. sa->mad_hdr.method = IB_MGMT_METHOD_GET;
  56. sa->mad_hdr.attr_id = htons ( IB_SA_ATTR_SERVICE_REC );
  57. sa->sa_hdr.comp_mask[1] = htonl ( IB_SA_SERVICE_REC_NAME );
  58. snprintf ( svc->name, sizeof ( svc->name ), "%s", name );
  59. /* Create management transaction */
  60. return ib_create_madx ( ibdev, mi, &mad, NULL, op );
  61. }