1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_engine.h b/drivers/gpu/drm/xe/xe_engine.h
new file mode 100644
index 000000000000..4d1b609fea7e
--- /dev/null
+++ b/drivers/gpu/drm/xe/xe_engine.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2021 Intel Corporation
+ */
+
+#ifndef _XE_ENGINE_H_
+#define _XE_ENGINE_H_
+
+#include "xe_engine_types.h"
+#include "xe_vm_types.h"
+
+struct drm_device;
+struct drm_file;
+struct xe_device;
+struct xe_file;
+
+struct xe_engine *xe_engine_create(struct xe_device *xe, struct xe_vm *vm,
+				   u32 logical_mask, u16 width,
+				   struct xe_hw_engine *hw_engine, u32 flags);
+struct xe_engine *xe_engine_create_class(struct xe_device *xe, struct xe_gt *gt,
+					 struct xe_vm *vm,
+					 enum xe_engine_class class, u32 flags);
+
+void xe_engine_fini(struct xe_engine *e);
+void xe_engine_destroy(struct kref *ref);
+
+struct xe_engine *xe_engine_lookup(struct xe_file *xef, u32 id);
+
+static inline struct xe_engine *xe_engine_get(struct xe_engine *engine)
+{
+	kref_get(&engine->refcount);
+	return engine;
+}
+
+static inline void xe_engine_put(struct xe_engine *engine)
+{
+	kref_put(&engine->refcount, xe_engine_destroy);
+}
+
+static inline bool xe_engine_is_parallel(struct xe_engine *engine)
+{
+	return engine->width > 1;
+}
+
+void xe_engine_kill(struct xe_engine *e);
+
+int xe_engine_create_ioctl(struct drm_device *dev, void *data,
+			   struct drm_file *file);
+int xe_engine_destroy_ioctl(struct drm_device *dev, void *data,
+			    struct drm_file *file);
+int xe_engine_set_property_ioctl(struct drm_device *dev, void *data,
+				 struct drm_file *file);
+
+#endif