1 files changed, 92 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drm_client.h b/drivers/gpu/drm/i915/i915_drm_client.h
new file mode 100644
index 000000000000..2e7a50d16a88
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_drm_client.h
@@ -0,0 +1,92 @@
+/* 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 <uapi/drm/i915_drm.h>
+
+#include "i915_file_private.h"
+#include "gem/i915_gem_object_types.h"
+#include "gt/intel_context_types.h"
+
+#define I915_LAST_UABI_ENGINE_CLASS I915_ENGINE_CLASS_COMPUTE
+
+struct drm_file;
+struct drm_printer;
+
+struct i915_drm_client {
+	struct kref kref;
+
+	spinlock_t ctx_lock; /* For add/remove from ctx_list. */
+	struct list_head ctx_list; /* List of contexts belonging to client. */
+
+#ifdef CONFIG_PROC_FS
+	/**
+	 * @objects_lock: lock protecting @objects_list
+	 */
+	spinlock_t objects_lock;
+
+	/**
+	 * @objects_list: list of objects created by this client
+	 *
+	 * Protected by @objects_lock.
+	 */
+	struct list_head objects_list;
+#endif
+
+	/**
+	 * @past_runtime: Accumulation of pphwsp runtimes from closed contexts.
+	 */
+	atomic64_t past_runtime[I915_LAST_UABI_ENGINE_CLASS + 1];
+};
+
+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_alloc(void);
+
+void i915_drm_client_fdinfo(struct drm_printer *p, struct drm_file *file);
+
+#ifdef CONFIG_PROC_FS
+void i915_drm_client_add_object(struct i915_drm_client *client,
+				struct drm_i915_gem_object *obj);
+void i915_drm_client_remove_object(struct drm_i915_gem_object *obj);
+void i915_drm_client_add_context_objects(struct i915_drm_client *client,
+					 struct intel_context *ce);
+#else
+static inline void i915_drm_client_add_object(struct i915_drm_client *client,
+					      struct drm_i915_gem_object *obj)
+{
+}
+
+static inline void
+i915_drm_client_remove_object(struct drm_i915_gem_object *obj)
+{
+}
+
+static inline void
+i915_drm_client_add_context_objects(struct i915_drm_client *client,
+				    struct intel_context *ce)
+{
+}
+#endif
+
+#endif /* !__I915_DRM_CLIENT_H__ */