1 /* SPDX-License-Identifier: MIT */
3 * Copyright © 2019 Intel Corporation
6 #ifndef __I915_PERF_H__
7 #define __I915_PERF_H__
9 #include <linux/kref.h>
10 #include <linux/types.h>
12 #include "i915_perf_types.h"
16 struct drm_i915_private;
17 struct i915_oa_config;
19 struct intel_engine_cs;
21 void i915_perf_init(struct drm_i915_private *i915);
22 void i915_perf_fini(struct drm_i915_private *i915);
23 void i915_perf_register(struct drm_i915_private *i915);
24 void i915_perf_unregister(struct drm_i915_private *i915);
25 int i915_perf_ioctl_version(void);
26 void i915_perf_sysctl_register(void);
27 void i915_perf_sysctl_unregister(void);
29 int i915_perf_open_ioctl(struct drm_device *dev, void *data,
30 struct drm_file *file);
31 int i915_perf_add_config_ioctl(struct drm_device *dev, void *data,
32 struct drm_file *file);
33 int i915_perf_remove_config_ioctl(struct drm_device *dev, void *data,
34 struct drm_file *file);
36 void i915_oa_init_reg_state(const struct intel_context *ce,
37 const struct intel_engine_cs *engine);
39 struct i915_oa_config *
40 i915_perf_get_oa_config(struct i915_perf *perf, int metrics_set);
42 static inline struct i915_oa_config *
43 i915_oa_config_get(struct i915_oa_config *oa_config)
45 if (kref_get_unless_zero(&oa_config->ref))
51 void i915_oa_config_release(struct kref *ref);
52 static inline void i915_oa_config_put(struct i915_oa_config *oa_config)
57 kref_put(&oa_config->ref, i915_oa_config_release);
60 #endif /* __I915_PERF_H__ */