xe_ttm_vram_mgr.h

 1/* SPDX-License-Identifier: MIT */
 2/*
 3 * Copyright © 2022 Intel Corporation
 4 */
 5
 6#ifndef _XE_TTM_VRAM_MGR_H_
 7#define _XE_TTM_VRAM_MGR_H_
 8
 9#include "xe_ttm_vram_mgr_types.h"
10
11enum dma_data_direction;
12struct xe_device;
13struct xe_tile;
14struct xe_vram_region;
15
16int __xe_ttm_vram_mgr_init(struct xe_device *xe, struct xe_ttm_vram_mgr *mgr,
17			   u32 mem_type, u64 size, u64 io_size,
18			   u64 default_page_size);
19int xe_ttm_vram_mgr_init(struct xe_device *xe, struct xe_vram_region *vram);
20int xe_ttm_vram_mgr_alloc_sgt(struct xe_device *xe,
21			      struct ttm_resource *res,
22			      u64 offset, u64 length,
23			      struct device *dev,
24			      enum dma_data_direction dir,
25			      struct sg_table **sgt);
26void xe_ttm_vram_mgr_free_sgt(struct device *dev, enum dma_data_direction dir,
27			      struct sg_table *sgt);
28
29u64 xe_ttm_vram_get_avail(struct ttm_resource_manager *man);
30u64 xe_ttm_vram_get_cpu_visible_size(struct ttm_resource_manager *man);
31void xe_ttm_vram_get_used(struct ttm_resource_manager *man,
32			  u64 *used, u64 *used_visible);
33
34static inline struct xe_ttm_vram_mgr_resource *
35to_xe_ttm_vram_mgr_resource(struct ttm_resource *res)
36{
37	return container_of(res, struct xe_ttm_vram_mgr_resource, base);
38}
39
40static inline struct xe_ttm_vram_mgr *
41to_xe_ttm_vram_mgr(struct ttm_resource_manager *man)
42{
43	return container_of(man, struct xe_ttm_vram_mgr, manager);
44}
45
46#endif