1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_ttm_vram_mgr_types.h b/drivers/gpu/drm/xe/xe_ttm_vram_mgr_types.h
new file mode 100644
index 000000000..2d75cf126
--- /dev/null
+++ b/drivers/gpu/drm/xe/xe_ttm_vram_mgr_types.h
@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+#ifndef _XE_TTM_VRAM_MGR_TYPES_H_
+#define _XE_TTM_VRAM_MGR_TYPES_H_
+
+#include <drm/drm_buddy.h>
+#include <drm/ttm/ttm_device.h>
+
+struct xe_mem_region;
+
+/**
+ * struct xe_ttm_vram_mgr - XE TTM VRAM manager
+ *
+ * Manages placement of TTM resource in VRAM.
+ */
+struct xe_ttm_vram_mgr {
+	/** @manager: Base TTM resource manager */
+	struct ttm_resource_manager manager;
+	/** @mm: DRM buddy allocator which manages the VRAM */
+	struct drm_buddy mm;
+	/** @vram: ptr to details of associated VRAM region */
+	struct xe_mem_region *vram;
+	/** @visible_size: Proped size of the CPU visible portion */
+	u64 visible_size;
+	/** @visible_avail: CPU visible portion still unallocated */
+	u64 visible_avail;
+	/** @default_page_size: default page size */
+	u64 default_page_size;
+	/** @lock: protects allocations of VRAM */
+	struct mutex lock;
+	/** @mem_type: The TTM memory type */
+	u32 mem_type;
+};
+
+/**
+ * struct xe_ttm_vram_mgr_resource - XE TTM VRAM resource
+ */
+struct xe_ttm_vram_mgr_resource {
+	/** @base: Base TTM resource */
+	struct ttm_resource base;
+	/** @blocks: list of DRM buddy blocks */
+	struct list_head blocks;
+	/** @used_visible_size: How many CPU visible bytes this resource is using */
+	u64 used_visible_size;
+	/** @flags: flags associated with the resource */
+	unsigned long flags;
+};
+
+#endif