linux/drivers/gpu/drm/i915/i915_perf.h
Venkata Sandeep Dhanalakota 3dc716fd3c drm/i915/perf: Register sysctl path globally
We do not require to register the sysctl paths per instance,
so making registration global.

v2: make sysctl path register and unregister function driver
    specific (Tvrtko and Lucas).

Cc: Sudeep Dutt <sudeep.dutt@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Venkata Sandeep Dhanalakota <venkata.s.dhanalakota@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191213155152.69182-1-venkata.s.dhanalakota@intel.com
2019-12-13 20:16:23 +00:00

61 lines
1.5 KiB
C

/* 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);
void i915_perf_sysctl_register(void);
void i915_perf_sysctl_unregister(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__ */