scsi_netlink_fc.h 1.9 KB

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  1. /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
  2. /*
  3. * FC Transport Netlink Interface
  4. *
  5. * Copyright (C) 2006 James Smart, Emulex Corporation
  6. *
  7. * This program is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License as published by
  9. * the Free Software Foundation; either version 2 of the License, or
  10. * (at your option) any later version.
  11. *
  12. * This program is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU General Public License
  18. * along with this program; if not, write to the Free Software
  19. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  20. *
  21. */
  22. #ifndef SCSI_NETLINK_FC_H
  23. #define SCSI_NETLINK_FC_H
  24. #include <scsi/scsi_netlink.h>
  25. /*
  26. * This file intended to be included by both kernel and user space
  27. */
  28. /*
  29. * FC Transport Message Types
  30. */
  31. /* kernel -> user */
  32. #define FC_NL_ASYNC_EVENT 0x0100
  33. /* user -> kernel */
  34. /* none */
  35. /*
  36. * Message Structures :
  37. */
  38. /* macro to round up message lengths to 8byte boundary */
  39. #define FC_NL_MSGALIGN(len) (((len) + 7) & ~7)
  40. /*
  41. * FC Transport Broadcast Event Message :
  42. * FC_NL_ASYNC_EVENT
  43. *
  44. * Note: if Vendor Unique message, &event_data will be start of
  45. * vendor unique payload, and the length of the payload is
  46. * per event_datalen
  47. *
  48. * Note: When specifying vendor_id, be sure to read the Vendor Type and ID
  49. * formatting requirements specified in scsi_netlink.h
  50. */
  51. struct fc_nl_event {
  52. struct scsi_nl_hdr snlh; /* must be 1st element ! */
  53. uint64_t seconds;
  54. uint64_t vendor_id;
  55. uint16_t host_no;
  56. uint16_t event_datalen;
  57. uint32_t event_num;
  58. uint32_t event_code;
  59. uint32_t event_data;
  60. } __attribute__((aligned(sizeof(uint64_t))));
  61. #endif /* SCSI_NETLINK_FC_H */