diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_ttm_vram_mgr.h')
-rw-r--r-- | drivers/gpu/drm/xe/xe_ttm_vram_mgr.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_ttm_vram_mgr.h b/drivers/gpu/drm/xe/xe_ttm_vram_mgr.h new file mode 100644 index 0000000000..d184e19a92 --- /dev/null +++ b/drivers/gpu/drm/xe/xe_ttm_vram_mgr.h @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2022 Intel Corporation + */ + +#ifndef _XE_TTM_VRAM_MGR_H_ +#define _XE_TTM_VRAM_MGR_H_ + +#include "xe_ttm_vram_mgr_types.h" + +enum dma_data_direction; +struct xe_device; +struct xe_tile; + +int __xe_ttm_vram_mgr_init(struct xe_device *xe, struct xe_ttm_vram_mgr *mgr, + u32 mem_type, u64 size, u64 io_size, + u64 default_page_size); +int xe_ttm_vram_mgr_init(struct xe_tile *tile, struct xe_ttm_vram_mgr *mgr); +int xe_ttm_vram_mgr_alloc_sgt(struct xe_device *xe, + struct ttm_resource *res, + u64 offset, u64 length, + struct device *dev, + enum dma_data_direction dir, + struct sg_table **sgt); +void xe_ttm_vram_mgr_free_sgt(struct device *dev, enum dma_data_direction dir, + struct sg_table *sgt); + +u64 xe_ttm_vram_get_cpu_visible_size(struct ttm_resource_manager *man); +void xe_ttm_vram_get_used(struct ttm_resource_manager *man, + u64 *used, u64 *used_visible); + +static inline struct xe_ttm_vram_mgr_resource * +to_xe_ttm_vram_mgr_resource(struct ttm_resource *res) +{ + return container_of(res, struct xe_ttm_vram_mgr_resource, base); +} + +static inline struct xe_ttm_vram_mgr * +to_xe_ttm_vram_mgr(struct ttm_resource_manager *man) +{ + return container_of(man, struct xe_ttm_vram_mgr, manager); +} + +#endif |