linux/drivers/gpu/drm/i915/i915_priolist_types.h

/*
 * SPDX-License-Identifier: MIT
 *
 * Copyright © 2018 Intel Corporation
 */

#ifndef _I915_PRIOLIST_TYPES_H_
#define _I915_PRIOLIST_TYPES_H_

#include <linux/list.h>
#include <linux/rbtree.h>

#include <uapi/drm/i915_drm.h>

enum { … };

/* Smallest priority value that cannot be bumped. */
#define I915_PRIORITY_INVALID …

/*
 * Requests containing performance queries must not be preempted by
 * another context. They get scheduled with their default priority and
 * once they reach the execlist ports we ensure that they stick on the
 * HW until finished by pretending that they have maximum priority,
 * i.e. nothing can have higher priority and force us to usurp the
 * active request.
 */
#define I915_PRIORITY_UNPREEMPTABLE …
#define I915_PRIORITY_BARRIER …

struct i915_priolist { … };

#endif /* _I915_PRIOLIST_TYPES_H_ */