intel_telemetry.h 3.6 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. /*
  3. * Intel SOC Telemetry Driver Header File
  4. * Copyright (C) 2015, Intel Corporation.
  5. * All Rights Reserved.
  6. */
  7. #ifndef INTEL_TELEMETRY_H
  8. #define INTEL_TELEMETRY_H
  9. #define TELEM_MAX_EVENTS_SRAM 28
  10. #define TELEM_MAX_OS_ALLOCATED_EVENTS 20
  11. #include <asm/intel_scu_ipc.h>
  12. enum telemetry_unit {
  13. TELEM_PSS = 0,
  14. TELEM_IOSS,
  15. TELEM_UNIT_NONE
  16. };
  17. struct telemetry_evtlog {
  18. u32 telem_evtid;
  19. u64 telem_evtlog;
  20. };
  21. struct telemetry_evtconfig {
  22. /* Array of Event-IDs to Enable */
  23. u32 *evtmap;
  24. /* Number of Events (<29) in evtmap */
  25. u8 num_evts;
  26. /* Sampling period */
  27. u8 period;
  28. };
  29. struct telemetry_evtmap {
  30. const char *name;
  31. u32 evt_id;
  32. };
  33. struct telemetry_unit_config {
  34. struct telemetry_evtmap *telem_evts;
  35. void __iomem *regmap;
  36. u8 ssram_evts_used;
  37. u8 curr_period;
  38. u8 max_period;
  39. u8 min_period;
  40. };
  41. struct telemetry_plt_config {
  42. struct telemetry_unit_config pss_config;
  43. struct telemetry_unit_config ioss_config;
  44. struct mutex telem_trace_lock;
  45. struct mutex telem_lock;
  46. struct intel_pmc_dev *pmc;
  47. struct intel_scu_ipc_dev *scu;
  48. bool telem_in_use;
  49. };
  50. struct telemetry_core_ops {
  51. int (*get_sampling_period)(u8 *pss_min_period, u8 *pss_max_period,
  52. u8 *ioss_min_period, u8 *ioss_max_period);
  53. int (*get_eventconfig)(struct telemetry_evtconfig *pss_evtconfig,
  54. struct telemetry_evtconfig *ioss_evtconfig,
  55. int pss_len, int ioss_len);
  56. int (*update_events)(struct telemetry_evtconfig pss_evtconfig,
  57. struct telemetry_evtconfig ioss_evtconfig);
  58. int (*set_sampling_period)(u8 pss_period, u8 ioss_period);
  59. int (*get_trace_verbosity)(enum telemetry_unit telem_unit,
  60. u32 *verbosity);
  61. int (*set_trace_verbosity)(enum telemetry_unit telem_unit,
  62. u32 verbosity);
  63. int (*raw_read_eventlog)(enum telemetry_unit telem_unit,
  64. struct telemetry_evtlog *evtlog,
  65. int len, int log_all_evts);
  66. int (*read_eventlog)(enum telemetry_unit telem_unit,
  67. struct telemetry_evtlog *evtlog,
  68. int len, int log_all_evts);
  69. int (*add_events)(u8 num_pss_evts, u8 num_ioss_evts,
  70. u32 *pss_evtmap, u32 *ioss_evtmap);
  71. int (*reset_events)(void);
  72. };
  73. int telemetry_set_pltdata(const struct telemetry_core_ops *ops,
  74. struct telemetry_plt_config *pltconfig);
  75. int telemetry_clear_pltdata(void);
  76. struct telemetry_plt_config *telemetry_get_pltdata(void);
  77. int telemetry_get_evtname(enum telemetry_unit telem_unit,
  78. const char **name, int len);
  79. int telemetry_update_events(struct telemetry_evtconfig pss_evtconfig,
  80. struct telemetry_evtconfig ioss_evtconfig);
  81. int telemetry_add_events(u8 num_pss_evts, u8 num_ioss_evts,
  82. u32 *pss_evtmap, u32 *ioss_evtmap);
  83. int telemetry_reset_events(void);
  84. int telemetry_get_eventconfig(struct telemetry_evtconfig *pss_config,
  85. struct telemetry_evtconfig *ioss_config,
  86. int pss_len, int ioss_len);
  87. int telemetry_read_events(enum telemetry_unit telem_unit,
  88. struct telemetry_evtlog *evtlog, int len);
  89. int telemetry_raw_read_events(enum telemetry_unit telem_unit,
  90. struct telemetry_evtlog *evtlog, int len);
  91. int telemetry_read_eventlog(enum telemetry_unit telem_unit,
  92. struct telemetry_evtlog *evtlog, int len);
  93. int telemetry_raw_read_eventlog(enum telemetry_unit telem_unit,
  94. struct telemetry_evtlog *evtlog, int len);
  95. int telemetry_get_sampling_period(u8 *pss_min_period, u8 *pss_max_period,
  96. u8 *ioss_min_period, u8 *ioss_max_period);
  97. int telemetry_set_sampling_period(u8 pss_period, u8 ioss_period);
  98. int telemetry_set_trace_verbosity(enum telemetry_unit telem_unit,
  99. u32 verbosity);
  100. int telemetry_get_trace_verbosity(enum telemetry_unit telem_unit,
  101. u32 *verbosity);
  102. #endif /* INTEL_TELEMETRY_H */