/* 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_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); } #endif /* __I915_PERF_H__ */