| 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 | |
| 14 | struct drm_device; |
| 15 | struct drm_file; |
| 16 | struct drm_i915_private; |
| 17 | struct i915_oa_config; |
| 18 | struct intel_context; |
| 19 | struct intel_engine_cs; |
| 20 | |
| 21 | int 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(struct drm_i915_private *i915); |
| 26 | int i915_perf_sysctl_register(void); |
| 27 | void i915_perf_sysctl_unregister(void); |
| 28 | |
| 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); |
| 35 | |
| 36 | void i915_oa_init_reg_state(const struct intel_context *ce, |
| 37 | const struct intel_engine_cs *engine); |
| 38 | |
| 39 | struct i915_oa_config * |
| 40 | i915_perf_get_oa_config(struct i915_perf *perf, int metrics_set); |
| 41 | |
| 42 | static inline struct i915_oa_config * |
| 43 | i915_oa_config_get(struct i915_oa_config *oa_config) |
| 44 | { |
| 45 | if (kref_get_unless_zero(kref: &oa_config->ref)) |
| 46 | return oa_config; |
| 47 | else |
| 48 | return NULL; |
| 49 | } |
| 50 | |
| 51 | void i915_oa_config_release(struct kref *ref); |
| 52 | static inline void i915_oa_config_put(struct i915_oa_config *oa_config) |
| 53 | { |
| 54 | if (!oa_config) |
| 55 | return; |
| 56 | |
| 57 | kref_put(kref: &oa_config->ref, release: i915_oa_config_release); |
| 58 | } |
| 59 | |
| 60 | u32 i915_perf_oa_timestamp_frequency(struct drm_i915_private *i915); |
| 61 | |
| 62 | #endif /* __I915_PERF_H__ */ |
| 63 |