69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2020 Intel Corporation
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*/
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#ifndef __I915_DRM_CLIENT_H__
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#define __I915_DRM_CLIENT_H__
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#include <linux/kref.h>
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#include <linux/list.h>
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#include <linux/spinlock.h>
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#include <linux/xarray.h>
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#include <uapi/drm/i915_drm.h>
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#define I915_LAST_UABI_ENGINE_CLASS I915_ENGINE_CLASS_COMPUTE
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struct drm_i915_private;
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struct i915_drm_clients {
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struct drm_i915_private *i915;
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struct xarray xarray;
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u32 next_id;
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};
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struct i915_drm_client {
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struct kref kref;
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unsigned int id;
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spinlock_t ctx_lock; /* For add/remove from ctx_list. */
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struct list_head ctx_list; /* List of contexts belonging to client. */
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struct i915_drm_clients *clients;
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/**
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* @past_runtime: Accumulation of pphwsp runtimes from closed contexts.
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*/
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atomic64_t past_runtime[I915_LAST_UABI_ENGINE_CLASS + 1];
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};
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void i915_drm_clients_init(struct i915_drm_clients *clients,
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struct drm_i915_private *i915);
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static inline struct i915_drm_client *
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i915_drm_client_get(struct i915_drm_client *client)
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{
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kref_get(&client->kref);
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return client;
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}
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void __i915_drm_client_free(struct kref *kref);
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static inline void i915_drm_client_put(struct i915_drm_client *client)
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{
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kref_put(&client->kref, __i915_drm_client_free);
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}
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struct i915_drm_client *i915_drm_client_add(struct i915_drm_clients *clients);
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#ifdef CONFIG_PROC_FS
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void i915_drm_client_fdinfo(struct seq_file *m, struct file *f);
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#endif
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void i915_drm_clients_fini(struct i915_drm_clients *clients);
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#endif /* !__I915_DRM_CLIENT_H__ */
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