[linux-2.6-block.git] / arch / x86 / include / asm / intel_telemetry.h

/*
 * Intel SOC Telemetry Driver Header File
 * Copyright (C) 2015, Intel Corporation.
 * All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 */
#ifndef INTEL_TELEMETRY_H
#define INTEL_TELEMETRY_H

#define TELEM_MAX_EVENTS_SRAM		28
#define TELEM_MAX_OS_ALLOCATED_EVENTS	20

enum telemetry_unit {
	TELEM_PSS = 0,
	TELEM_IOSS,
	TELEM_UNIT_NONE
};

struct telemetry_evtlog {
	u32 telem_evtid;
	u64 telem_evtlog;
};

struct telemetry_evtconfig {
	/* Array of Event-IDs to Enable */
	u32 *evtmap;

	/* Number of Events (<29) in evtmap */
	u8 num_evts;

	/* Sampling period */
	u8 period;
};

struct telemetry_evtmap {
	const char *name;
	u32 evt_id;
};

struct telemetry_unit_config {
	struct telemetry_evtmap *telem_evts;
	void __iomem *regmap;
	u32 ssram_base_addr;
	u8 ssram_evts_used;
	u8 curr_period;
	u8 max_period;
	u8 min_period;
	u32 ssram_size;

};

struct telemetry_plt_config {
	struct telemetry_unit_config pss_config;
	struct telemetry_unit_config ioss_config;
	struct mutex telem_trace_lock;
	struct mutex telem_lock;
	bool telem_in_use;
};

struct telemetry_core_ops {
	int (*get_sampling_period)(u8 *pss_min_period, u8 *pss_max_period,
				   u8 *ioss_min_period, u8 *ioss_max_period);

	int (*get_eventconfig)(struct telemetry_evtconfig *pss_evtconfig,
			       struct telemetry_evtconfig *ioss_evtconfig,
			       int pss_len, int ioss_len);

	int (*update_events)(struct telemetry_evtconfig pss_evtconfig,
			     struct telemetry_evtconfig ioss_evtconfig);

	int (*set_sampling_period)(u8 pss_period, u8 ioss_period);

	int (*get_trace_verbosity)(enum telemetry_unit telem_unit,
				   u32 *verbosity);

	int (*set_trace_verbosity)(enum telemetry_unit telem_unit,
				   u32 verbosity);

	int (*raw_read_eventlog)(enum telemetry_unit telem_unit,
				 struct telemetry_evtlog *evtlog,
				 int len, int log_all_evts);

	int (*read_eventlog)(enum telemetry_unit telem_unit,
			     struct telemetry_evtlog *evtlog,
			     int len, int log_all_evts);

	int (*add_events)(u8 num_pss_evts, u8 num_ioss_evts,
			  u32 *pss_evtmap, u32 *ioss_evtmap);

	int (*reset_events)(void);
};

int telemetry_set_pltdata(const struct telemetry_core_ops *ops,
			  struct telemetry_plt_config *pltconfig);

int telemetry_clear_pltdata(void);

int telemetry_pltconfig_valid(void);

int telemetry_get_evtname(enum telemetry_unit telem_unit,
			  const char **name, int len);

int telemetry_update_events(struct telemetry_evtconfig pss_evtconfig,
			    struct telemetry_evtconfig ioss_evtconfig);

int telemetry_add_events(u8 num_pss_evts, u8 num_ioss_evts,
			 u32 *pss_evtmap, u32 *ioss_evtmap);

int telemetry_reset_events(void);

int telemetry_get_eventconfig(struct telemetry_evtconfig *pss_config,
			      struct telemetry_evtconfig *ioss_config,
			      int pss_len, int ioss_len);

int telemetry_read_events(enum telemetry_unit telem_unit,
			  struct telemetry_evtlog *evtlog, int len);

int telemetry_raw_read_events(enum telemetry_unit telem_unit,
			      struct telemetry_evtlog *evtlog, int len);

int telemetry_read_eventlog(enum telemetry_unit telem_unit,
			    struct telemetry_evtlog *evtlog, int len);

int telemetry_raw_read_eventlog(enum telemetry_unit telem_unit,
				struct telemetry_evtlog *evtlog, int len);

int telemetry_get_sampling_period(u8 *pss_min_period, u8 *pss_max_period,
				  u8 *ioss_min_period, u8 *ioss_max_period);

int telemetry_set_sampling_period(u8 pss_period, u8 ioss_period);

int telemetry_set_trace_verbosity(enum telemetry_unit telem_unit,
				  u32 verbosity);

int telemetry_get_trace_verbosity(enum telemetry_unit telem_unit,
				  u32 *verbosity);

#endif /* INTEL_TELEMETRY_H */
Commit	Line	Data
378f956e SKC	1	/*
	2	* Intel SOC Telemetry Driver Header File
	3	* Copyright (C) 2015, Intel Corporation.
	4	* All Rights Reserved.
	5	*
	6	* This program is free software; you can redistribute it and/or modify it
	7	* under the terms and conditions of the GNU General Public License,
	8	* version 2, as published by the Free Software Foundation.
	9	*
	10	* This program is distributed in the hope it will be useful, but WITHOUT
	11	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	12	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	13	* more details.
	14	*
	15	*/
	16	#ifndef INTEL_TELEMETRY_H
	17	#define INTEL_TELEMETRY_H
	18
	19	#define TELEM_MAX_EVENTS_SRAM 28
	20	#define TELEM_MAX_OS_ALLOCATED_EVENTS 20
	21
	22	enum telemetry_unit {
	23	TELEM_PSS = 0,
	24	TELEM_IOSS,
	25	TELEM_UNIT_NONE
	26	};
	27
	28	struct telemetry_evtlog {
	29	u32 telem_evtid;
	30	u64 telem_evtlog;
	31	};
	32
	33	struct telemetry_evtconfig {
	34	/* Array of Event-IDs to Enable */
	35	u32 *evtmap;
	36
	37	/* Number of Events (<29) in evtmap */
	38	u8 num_evts;
	39
	40	/* Sampling period */
	41	u8 period;
	42	};
	43
	44	struct telemetry_evtmap {
	45	const char *name;
	46	u32 evt_id;
	47	};
	48
	49	struct telemetry_unit_config {
	50	struct telemetry_evtmap *telem_evts;
	51	void __iomem *regmap;
	52	u32 ssram_base_addr;
	53	u8 ssram_evts_used;
	54	u8 curr_period;
	55	u8 max_period;
	56	u8 min_period;
	57	u32 ssram_size;
	58
	59	};
	60
	61	struct telemetry_plt_config {
	62	struct telemetry_unit_config pss_config;
	63	struct telemetry_unit_config ioss_config;
	64	struct mutex telem_trace_lock;
65	struct mutex telem_lock;
66	bool telem_in_use;
67	};
68
69	struct telemetry_core_ops {
70	int (get_sampling_period)(u8 pss_min_period, u8 *pss_max_period,
71	u8 ioss_min_period, u8 ioss_max_period);
72
73	int (get_eventconfig)(struct telemetry_evtconfig pss_evtconfig,
74	struct telemetry_evtconfig *ioss_evtconfig,
75	int pss_len, int ioss_len);
76
77	int (*update_events)(struct telemetry_evtconfig pss_evtconfig,
78	struct telemetry_evtconfig ioss_evtconfig);
79
80	int (*set_sampling_period)(u8 pss_period, u8 ioss_period);
81
82	int (*get_trace_verbosity)(enum telemetry_unit telem_unit,
83	u32 *verbosity);
84
85	int (*set_trace_verbosity)(enum telemetry_unit telem_unit,
86	u32 verbosity);
87
88	int (*raw_read_eventlog)(enum telemetry_unit telem_unit,
89	struct telemetry_evtlog *evtlog,
90	int len, int log_all_evts);
91
92	int (*read_eventlog)(enum telemetry_unit telem_unit,
93	struct telemetry_evtlog *evtlog,
94	int len, int log_all_evts);
95
96	int (*add_events)(u8 num_pss_evts, u8 num_ioss_evts,
97	u32 pss_evtmap, u32 ioss_evtmap);
98
99	int (*reset_events)(void);
100	};
101
775d054a	102	int telemetry_set_pltdata(const struct telemetry_core_ops *ops,
378f956e SKC	103	struct telemetry_plt_config *pltconfig);
	104
	105	int telemetry_clear_pltdata(void);
	106
	107	int telemetry_pltconfig_valid(void);
	108
	109	int telemetry_get_evtname(enum telemetry_unit telem_unit,
	110	const char **name, int len);
	111
	112	int telemetry_update_events(struct telemetry_evtconfig pss_evtconfig,
	113	struct telemetry_evtconfig ioss_evtconfig);
	114
	115	int telemetry_add_events(u8 num_pss_evts, u8 num_ioss_evts,
	116	u32 pss_evtmap, u32 ioss_evtmap);
	117
	118	int telemetry_reset_events(void);
	119
	120	int telemetry_get_eventconfig(struct telemetry_evtconfig *pss_config,
	121	struct telemetry_evtconfig *ioss_config,
	122	int pss_len, int ioss_len);
	123
	124	int telemetry_read_events(enum telemetry_unit telem_unit,
	125	struct telemetry_evtlog *evtlog, int len);
	126
	127	int telemetry_raw_read_events(enum telemetry_unit telem_unit,
	128	struct telemetry_evtlog *evtlog, int len);
	129
	130	int telemetry_read_eventlog(enum telemetry_unit telem_unit,
	131	struct telemetry_evtlog *evtlog, int len);
	132
	133	int telemetry_raw_read_eventlog(enum telemetry_unit telem_unit,
	134	struct telemetry_evtlog *evtlog, int len);
	135
	136	int telemetry_get_sampling_period(u8 pss_min_period, u8 pss_max_period,
	137	u8 ioss_min_period, u8 ioss_max_period);
	138
	139	int telemetry_set_sampling_period(u8 pss_period, u8 ioss_period);
	140
	141	int telemetry_set_trace_verbosity(enum telemetry_unit telem_unit,
	142	u32 verbosity);
	143
	144	int telemetry_get_trace_verbosity(enum telemetry_unit telem_unit,
	145	u32 *verbosity);
	146
	147	#endif /* INTEL_TELEMETRY_H */