linux_dsm_epyc7002/drivers/gpu/drm/i915/i915_perf.h
Lionel Landwerlin b8d49f28aa drm/i915/perf: introduce a versioning of the i915-perf uapi
Reporting this version will help application figure out what level of
the support the running kernel provides.

v2: Add i915_perf_ioctl_version() (Chris)

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@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/20191014201404.22468-1-chris@chris-wilson.co.uk
2019-10-14 21:30:25 +01:00

59 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);
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__ */