1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_gpu_scheduler_types.h b/drivers/gpu/drm/xe/xe_gpu_scheduler_types.h
new file mode 100644
index 000000000000..6731b13da8bb
--- /dev/null
+++ b/drivers/gpu/drm/xe/xe_gpu_scheduler_types.h
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#ifndef _XE_GPU_SCHEDULER_TYPES_H_
+#define _XE_GPU_SCHEDULER_TYPES_H_
+
+#include <drm/gpu_scheduler.h>
+
+/**
+ * struct xe_sched_msg - an in-band (relative to GPU scheduler run queue)
+ * message
+ *
+ * Generic enough for backend defined messages, backend can expand if needed.
+ */
+struct xe_sched_msg {
+	/** @link: list link into the gpu scheduler list of messages */
+	struct list_head		link;
+	/**
+	 * @private_data: opaque pointer to message private data (backend defined)
+	 */
+	void				*private_data;
+	/** @opcode: opcode of message (backend defined) */
+	unsigned int			opcode;
+};
+
+/**
+ * struct xe_sched_backend_ops - Define the backend operations called by the
+ * scheduler
+ */
+struct xe_sched_backend_ops {
+	/**
+	 * @process_msg: Process a message. Allowed to block, it is this
+	 * function's responsibility to free message if dynamically allocated.
+	 */
+	void (*process_msg)(struct xe_sched_msg *msg);
+};
+
+/**
+ * struct xe_gpu_scheduler - Xe GPU scheduler
+ */
+struct xe_gpu_scheduler {
+	/** @base: DRM GPU scheduler */
+	struct drm_gpu_scheduler		base;
+	/** @ops: Xe scheduler ops */
+	const struct xe_sched_backend_ops	*ops;
+	/** @msgs: list of messages to be processed in @work_process_msg */
+	struct list_head			msgs;
+	/** @work_process_msg: processes messages */
+	struct work_struct		work_process_msg;
+};
+
+#define xe_sched_entity		drm_sched_entity
+#define xe_sched_policy		drm_sched_policy
+
+#endif