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 11 enum dma_data_direction; 12 struct xe_device; 13 struct xe_tile; 14 15 int __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); 18 int xe_ttm_vram_mgr_init(struct xe_tile *tile, struct xe_ttm_vram_mgr *mgr); 19 int 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); 25 void xe_ttm_vram_mgr_free_sgt(struct device *dev, enum dma_data_direction dir, 26 struct sg_table *sgt); 27 28 u64 xe_ttm_vram_get_avail(struct ttm_resource_manager *man); 29 u64 xe_ttm_vram_get_cpu_visible_size(struct ttm_resource_manager *man); 30 void xe_ttm_vram_get_used(struct ttm_resource_manager *man, 31 u64 *used, u64 *used_visible); 32 33 static inline struct xe_ttm_vram_mgr_resource * 34 to_xe_ttm_vram_mgr_resource(struct ttm_resource *res) 35 { 36 return container_of(res, struct xe_ttm_vram_mgr_resource, base); 37 } 38 39 static inline struct xe_ttm_vram_mgr * 40 to_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 46