1/* SPDX-License-Identifier: MIT */ 2/* 3 * Copyright © 2019 Intel Corporation 4 */ 5 6#ifndef __I915_PERF_H__ 7#define __I915_PERF_H__ 8 9#include <linux/kref.h> 10#include <linux/types.h> 11 12#include "i915_perf_types.h" 13 14struct drm_device; 15struct drm_file; 16struct drm_i915_private; 17struct i915_oa_config; 18struct intel_context; 19struct intel_engine_cs; 20 21void i915_perf_init(struct drm_i915_private *i915); 22void i915_perf_fini(struct drm_i915_private *i915); 23void i915_perf_register(struct drm_i915_private *i915); 24void i915_perf_unregister(struct drm_i915_private *i915); 25int i915_perf_ioctl_version(void); 26void i915_perf_sysctl_register(void); 27void i915_perf_sysctl_unregister(void); 28 29int i915_perf_open_ioctl(struct drm_device *dev, void *data, 30 struct drm_file *file); 31int i915_perf_add_config_ioctl(struct drm_device *dev, void *data, 32 struct drm_file *file); 33int i915_perf_remove_config_ioctl(struct drm_device *dev, void *data, 34 struct drm_file *file); 35 36void i915_oa_init_reg_state(const struct intel_context *ce, 37 const struct intel_engine_cs *engine); 38 39struct i915_oa_config * 40i915_perf_get_oa_config(struct i915_perf *perf, int metrics_set); 41 42static inline struct i915_oa_config * 43i915_oa_config_get(struct i915_oa_config *oa_config) 44{ 45 if (kref_get_unless_zero(&oa_config->ref)) 46 return oa_config; 47 else 48 return NULL; 49} 50 51void i915_oa_config_release(struct kref *ref); 52static inline void i915_oa_config_put(struct i915_oa_config *oa_config) 53{ 54 if (!oa_config) 55 return; 56 57 kref_put(&oa_config->ref, i915_oa_config_release); 58} 59 60#endif /* __I915_PERF_H__ */ 61