connector.h 2.1 KB

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  1. /*
  2. * connector.h
  3. *
  4. * 2004-2005 Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
  5. * All rights reserved.
  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. #ifndef __CONNECTOR_H
  22. #define __CONNECTOR_H
  23. #include <linux/types.h>
  24. /*
  25. * Process Events connector unique ids -- used for message routing
  26. */
  27. #define CN_IDX_PROC 0x1
  28. #define CN_VAL_PROC 0x1
  29. #define CN_IDX_CIFS 0x2
  30. #define CN_VAL_CIFS 0x1
  31. #define CN_W1_IDX 0x3 /* w1 communication */
  32. #define CN_W1_VAL 0x1
  33. #define CN_IDX_V86D 0x4
  34. #define CN_VAL_V86D_UVESAFB 0x1
  35. #define CN_IDX_BB 0x5 /* BlackBoard, from the TSP GPL sampling framework */
  36. #define CN_DST_IDX 0x6
  37. #define CN_DST_VAL 0x1
  38. #define CN_IDX_DM 0x7 /* Device Mapper */
  39. #define CN_VAL_DM_USERSPACE_LOG 0x1
  40. #define CN_IDX_DRBD 0x8
  41. #define CN_VAL_DRBD 0x1
  42. #define CN_KVP_IDX 0x9 /* HyperV KVP */
  43. #define CN_KVP_VAL 0x1 /* queries from the kernel */
  44. #define CN_VSS_IDX 0xA /* HyperV VSS */
  45. #define CN_VSS_VAL 0x1 /* queries from the kernel */
  46. #define CN_NETLINK_USERS 11 /* Highest index + 1 */
  47. /*
  48. * Maximum connector's message size.
  49. */
  50. #define CONNECTOR_MAX_MSG_SIZE 16384
  51. /*
  52. * idx and val are unique identifiers which
  53. * are used for message routing and
  54. * must be registered in connector.h for in-kernel usage.
  55. */
  56. struct cb_id {
  57. __u32 idx;
  58. __u32 val;
  59. };
  60. struct cn_msg {
  61. struct cb_id id;
  62. __u32 seq;
  63. __u32 ack;
  64. __u16 len; /* Length of the following data */
  65. __u16 flags;
  66. __u8 data[0];
  67. };
  68. #endif /* __CONNECTOR_H */