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/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2019 Intel Corporation
*/
#ifndef __I915_PERF_H__
#define __I915_PERF_H__
#include <linux/kref.h>
#include <linux/types.h>
#include "i915_perf_types.h"
struct drm_device;
struct drm_file;
struct drm_i915_private;
struct i915_oa_config;
struct intel_context;
struct intel_engine_cs;
void i915_perf_init(struct drm_i915_private *i915);
void i915_perf_fini(struct drm_i915_private *i915);
void i915_perf_register(struct drm_i915_private *i915);
void i915_perf_unregister(struct drm_i915_private *i915);
int i915_perf_ioctl_version(void);
int i915_perf_sysctl_register(void);
void i915_perf_sysctl_unregister(void);
int i915_perf_open_ioctl(struct drm_device *dev, void *data,
struct drm_file *file);
int i915_perf_add_config_ioctl(struct drm_device *dev, void *data,
struct drm_file *file);
int i915_perf_remove_config_ioctl(struct drm_device *dev, void *data,
struct drm_file *file);
void i915_oa_init_reg_state(const struct intel_context *ce,
const struct intel_engine_cs *engine);
struct i915_oa_config *
i915_perf_get_oa_config(struct i915_perf *perf, int metrics_set);
static inline struct i915_oa_config *
i915_oa_config_get(struct i915_oa_config *oa_config)
{
if (kref_get_unless_zero(&oa_config->ref))
return oa_config;
else
return NULL;
}
void i915_oa_config_release(struct kref *ref);
static inline void i915_oa_config_put(struct i915_oa_config *oa_config)
{
if (!oa_config)
return;
kref_put(&oa_config->ref, i915_oa_config_release);
}
u32 i915_perf_oa_timestamp_frequency(struct drm_i915_private *i915);
#endif /* __I915_PERF_H__ */