1 files changed, 139 insertions, 0 deletions
diff --git a/arch/x86/include/asm/intel_telemetry.h b/arch/x86/include/asm/intel_telemetry.h
new file mode 100644
index 000000000..8046e70df
--- /dev/null
+++ b/arch/x86/include/asm/intel_telemetry.h
@@ -0,0 +1,139 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Intel SOC Telemetry Driver Header File
+ * Copyright (C) 2015, Intel Corporation.
+ * All Rights Reserved.
+ */
+#ifndef INTEL_TELEMETRY_H
+#define INTEL_TELEMETRY_H
+
+#define TELEM_MAX_EVENTS_SRAM		28
+#define TELEM_MAX_OS_ALLOCATED_EVENTS	20
+
+#include <asm/intel_scu_ipc.h>
+
+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;
+	u8 ssram_evts_used;
+	u8 curr_period;
+	u8 max_period;
+	u8 min_period;
+};
+
+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;
+	struct intel_pmc_dev *pmc;
+	struct intel_scu_ipc_dev *scu;
+	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);
+
+struct telemetry_plt_config *telemetry_get_pltdata(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 */