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