1*4882a593Smuzhiyun /* SPDX-License-Identifier: MIT */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright © 2019 Intel Corporation 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef __I915_PERF_H__ 7*4882a593Smuzhiyun #define __I915_PERF_H__ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <linux/kref.h> 10*4882a593Smuzhiyun #include <linux/types.h> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #include "i915_perf_types.h" 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun struct drm_device; 15*4882a593Smuzhiyun struct drm_file; 16*4882a593Smuzhiyun struct drm_i915_private; 17*4882a593Smuzhiyun struct i915_oa_config; 18*4882a593Smuzhiyun struct intel_context; 19*4882a593Smuzhiyun struct intel_engine_cs; 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun void i915_perf_init(struct drm_i915_private *i915); 22*4882a593Smuzhiyun void i915_perf_fini(struct drm_i915_private *i915); 23*4882a593Smuzhiyun void i915_perf_register(struct drm_i915_private *i915); 24*4882a593Smuzhiyun void i915_perf_unregister(struct drm_i915_private *i915); 25*4882a593Smuzhiyun int i915_perf_ioctl_version(void); 26*4882a593Smuzhiyun void i915_perf_sysctl_register(void); 27*4882a593Smuzhiyun void i915_perf_sysctl_unregister(void); 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun int i915_perf_open_ioctl(struct drm_device *dev, void *data, 30*4882a593Smuzhiyun struct drm_file *file); 31*4882a593Smuzhiyun int i915_perf_add_config_ioctl(struct drm_device *dev, void *data, 32*4882a593Smuzhiyun struct drm_file *file); 33*4882a593Smuzhiyun int i915_perf_remove_config_ioctl(struct drm_device *dev, void *data, 34*4882a593Smuzhiyun struct drm_file *file); 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun void i915_oa_init_reg_state(const struct intel_context *ce, 37*4882a593Smuzhiyun const struct intel_engine_cs *engine); 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun struct i915_oa_config * 40*4882a593Smuzhiyun i915_perf_get_oa_config(struct i915_perf *perf, int metrics_set); 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun static inline struct i915_oa_config * i915_oa_config_get(struct i915_oa_config * oa_config)43*4882a593Smuzhiyuni915_oa_config_get(struct i915_oa_config *oa_config) 44*4882a593Smuzhiyun { 45*4882a593Smuzhiyun if (kref_get_unless_zero(&oa_config->ref)) 46*4882a593Smuzhiyun return oa_config; 47*4882a593Smuzhiyun else 48*4882a593Smuzhiyun return NULL; 49*4882a593Smuzhiyun } 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun void i915_oa_config_release(struct kref *ref); i915_oa_config_put(struct i915_oa_config * oa_config)52*4882a593Smuzhiyunstatic inline void i915_oa_config_put(struct i915_oa_config *oa_config) 53*4882a593Smuzhiyun { 54*4882a593Smuzhiyun if (!oa_config) 55*4882a593Smuzhiyun return; 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun kref_put(&oa_config->ref, i915_oa_config_release); 58*4882a593Smuzhiyun } 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun #endif /* __I915_PERF_H__ */ 61