mirror of
https://github.com/torvalds/linux.git
synced 2026-04-27 11:02:31 -04:00
4b0a5f5ce7
Currently in the drivers we have defined VRAM regions per device and per tile. Initialization of these regions is done in two completely different ways. To simplify the logic of the code and make it easier to add new regions in the future, let's unify the way we initialize VRAM regions. v2: - fix doc comments in struct xe_vram_region - remove unnecessary includes (Jani) v3: - move code from xe_vram_init_regions_managers to xe_tile_init_noalloc (Matthew) - replace ioremap_wc to devm_ioremap_wc for mapping VRAM BAR (Matthew) - Replace the tile id parameter with vram region in the xe_pf_begin function. v4: - remove tile back pointer from struct xe_vram_region - add new back pointers: xe and migarte to xe_vram_region Signed-off-by: Piotr Piórkowski <piotr.piorkowski@intel.com> Cc: Stuart Summers <stuart.summers@intel.com> Cc: Matthew Auld <matthew.auld@intel.com> Cc: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> # rev3 Acked-by: Matthew Brost <matthew.brost@intel.com> Link: https://lore.kernel.org/r/20250714184818.89201-6-piotr.piorkowski@intel.com Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/* 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;
|
|
struct xe_vram_region;
|
|
|
|
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_device *xe, struct xe_vram_region *vram);
|
|
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_avail(struct ttm_resource_manager *man);
|
|
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
|