tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
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;
14
15int __xe_ttm_vram_mgr_init(struct xe_device *xe, struct xe_ttm_vram_mgr *mgr,
16 u32 mem_type, u64 size, u64 io_size,
17 u64 default_page_size);
18int xe_ttm_vram_mgr_init(struct xe_tile *tile, struct xe_ttm_vram_mgr *mgr);
19int xe_ttm_vram_mgr_alloc_sgt(struct xe_device *xe,
20 struct ttm_resource *res,
21 u64 offset, u64 length,
22 struct device *dev,
23 enum dma_data_direction dir,
24 struct sg_table **sgt);
25void xe_ttm_vram_mgr_free_sgt(struct device *dev, enum dma_data_direction dir,
26 struct sg_table *sgt);
27
28u64 xe_ttm_vram_get_avail(struct ttm_resource_manager *man);
29u64 xe_ttm_vram_get_cpu_visible_size(struct ttm_resource_manager *man);
30void xe_ttm_vram_get_used(struct ttm_resource_manager *man,
31 u64 *used, u64 *used_visible);
32
33static inline struct xe_ttm_vram_mgr_resource *
34to_xe_ttm_vram_mgr_resource(struct ttm_resource *res)
35{
36 return container_of(res, struct xe_ttm_vram_mgr_resource, base);
37}
38
39static inline struct xe_ttm_vram_mgr *
40to_xe_ttm_vram_mgr(struct ttm_resource_manager *man)
41{
42 return container_of(man, struct xe_ttm_vram_mgr, manager);
43}
44
45#endif