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drivers
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mei
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hbm.h

hbm.h 2.0 KB
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  1. /*
    2. 

  2.  *
    3. 

  3.  * Intel Management Engine Interface (Intel MEI) Linux driver
    4. 

  4.  * Copyright (c) 2003-2012, Intel Corporation.
    5. 

  5.  *
    6. 

  6.  * This program is free software; you can redistribute it and/or modify it
    7. 

  7.  * under the terms and conditions of the GNU General Public License,
    8. 

  8.  * version 2, as published by the Free Software Foundation.
    9. 

  9.  *
    10. 

  10.  * This program is distributed in the hope it will be useful, but WITHOUT
    11. 

  11.  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    12. 

  12.  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
    13. 

  13.  * more details.
    14. 

  14.  *
    15. 

  15.  */
    16. 

  16. 

  17. #ifndef _MEI_HBM_H_
    18. 

  18. #define _MEI_HBM_H_
    19. 

  19. 

  20. struct mei_device;
    21. 

  21. struct mei_msg_hdr;
    22. 

  22. struct mei_cl;
    23. 

  23. 

  24. /**
    25. 

  25.  * enum mei_hbm_state - host bus message protocol state
    26. 

  26.  *
    27. 

  27.  * @MEI_HBM_IDLE : protocol not started
    28. 

  28.  * @MEI_HBM_STARTING : start request message was sent
    29. 

  29.  * @MEI_HBM_ENUM_CLIENTS : enumeration request was sent
    30. 

  30.  * @MEI_HBM_CLIENT_PROPERTIES : acquiring clients properties
    31. 

  31.  * @MEI_HBM_STARTED : enumeration was completed
    32. 

  32.  * @MEI_HBM_STOPPED : stopping exchange
    33. 

  33.  */
    34. 

  34. enum mei_hbm_state {
    35. 

  35. 	MEI_HBM_IDLE = 0,
    36. 

  36. 	MEI_HBM_STARTING,
    37. 

  37. 	MEI_HBM_ENUM_CLIENTS,
    38. 

  38. 	MEI_HBM_CLIENT_PROPERTIES,
    39. 

  39. 	MEI_HBM_STARTED,
    40. 

  40. 	MEI_HBM_STOPPED,
    41. 

  41. };
    42. 

  42. 

  43. const char *mei_hbm_state_str(enum mei_hbm_state state);
    44. 

  44. 

  45. int mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr);
    46. 

  46. 

  47. void mei_hbm_idle(struct mei_device *dev);
    48. 

  48. void mei_hbm_reset(struct mei_device *dev);
    49. 

  49. int mei_hbm_start_req(struct mei_device *dev);
    50. 

  50. int mei_hbm_start_wait(struct mei_device *dev);
    51. 

  51. int mei_hbm_cl_flow_control_req(struct mei_device *dev, struct mei_cl *cl);
    52. 

  52. int mei_hbm_cl_disconnect_req(struct mei_device *dev, struct mei_cl *cl);
    53. 

  53. int mei_hbm_cl_disconnect_rsp(struct mei_device *dev, struct mei_cl *cl);
    54. 

  54. int mei_hbm_cl_connect_req(struct mei_device *dev, struct mei_cl *cl);
    55. 

  55. bool mei_hbm_version_is_supported(struct mei_device *dev);
    56. 

  56. int mei_hbm_pg(struct mei_device *dev, u8 pg_cmd);
    57. 

  57. void mei_hbm_pg_resume(struct mei_device *dev);
    58. 

  58. int mei_hbm_cl_notify_req(struct mei_device *dev,
    59. 

  59. 			  struct mei_cl *cl, u8 request);
    60. 

  60. 

  61. #endif /* _MEI_HBM_H_ */
    62. 

  62.