1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_hw_engine_class_sysfs.h b/drivers/gpu/drm/xe/xe_hw_engine_class_sysfs.h
new file mode 100644
index 000000000..ec5ba673b
--- /dev/null
+++ b/drivers/gpu/drm/xe/xe_hw_engine_class_sysfs.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#ifndef _XE_ENGINE_CLASS_SYSFS_H_
+#define _XE_ENGINE_CLASS_SYSFS_H_
+
+#include <linux/kobject.h>
+
+struct xe_gt;
+struct xe_hw_engine_class_intf;
+
+int xe_hw_engine_class_sysfs_init(struct xe_gt *gt);
+bool xe_hw_engine_timeout_in_range(u64 timeout, u64 min, u64 max);
+
+/**
+ * struct kobj_eclass - A eclass's kobject struct that connects the kobject and the
+ * eclass.
+ *
+ * When dealing with multiple eclass, this struct helps to understand which eclass
+ * needs to be addressed on a given sysfs call.
+ */
+struct kobj_eclass {
+	/** @base: The actual kobject */
+	struct kobject base;
+	/** @eclass: A pointer to the hw engine class interface */
+	struct xe_hw_engine_class_intf *eclass;
+};
+
+static inline struct xe_hw_engine_class_intf *kobj_to_eclass(struct kobject *kobj)
+{
+	return container_of(kobj, struct kobj_eclass, base)->eclass;
+}
+
+#endif