46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2022 Intel Corporation
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*/
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#ifndef _XE_TTM_VRAM_MGR_H_
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#define _XE_TTM_VRAM_MGR_H_
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#include "xe_ttm_vram_mgr_types.h"
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enum dma_data_direction;
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struct xe_device;
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struct xe_tile;
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int __xe_ttm_vram_mgr_init(struct xe_device *xe, struct xe_ttm_vram_mgr *mgr,
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u32 mem_type, u64 size, u64 io_size,
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u64 default_page_size);
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int xe_ttm_vram_mgr_init(struct xe_tile *tile, struct xe_ttm_vram_mgr *mgr);
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int xe_ttm_vram_mgr_alloc_sgt(struct xe_device *xe,
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struct ttm_resource *res,
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u64 offset, u64 length,
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struct device *dev,
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enum dma_data_direction dir,
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struct sg_table **sgt);
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void xe_ttm_vram_mgr_free_sgt(struct device *dev, enum dma_data_direction dir,
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struct sg_table *sgt);
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u64 xe_ttm_vram_get_avail(struct ttm_resource_manager *man);
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u64 xe_ttm_vram_get_cpu_visible_size(struct ttm_resource_manager *man);
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void xe_ttm_vram_get_used(struct ttm_resource_manager *man,
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u64 *used, u64 *used_visible);
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static inline struct xe_ttm_vram_mgr_resource *
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to_xe_ttm_vram_mgr_resource(struct ttm_resource *res)
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{
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return container_of(res, struct xe_ttm_vram_mgr_resource, base);
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}
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static inline struct xe_ttm_vram_mgr *
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to_xe_ttm_vram_mgr(struct ttm_resource_manager *man)
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{
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return container_of(man, struct xe_ttm_vram_mgr, manager);
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}
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#endif
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