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8a52f4d9b1
Define a struct xe_pagemap that embeds all pagemap-related data used by xekmd, and use the drm_pagemap cache- and shrinker to manage lifetime. Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Link: https://patch.msgid.link/20251219113320.183860-9-thomas.hellstrom@linux.intel.com
48 lines
1.0 KiB
C
48 lines
1.0 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2023 Intel Corporation
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*/
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#ifndef _XE_TILE_H_
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#define _XE_TILE_H_
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#include "xe_device_types.h"
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struct xe_pagemap;
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struct xe_tile;
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int xe_tile_init_early(struct xe_tile *tile, struct xe_device *xe, u8 id);
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int xe_tile_init_noalloc(struct xe_tile *tile);
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int xe_tile_init(struct xe_tile *tile);
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int xe_tile_alloc_vram(struct xe_tile *tile);
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void xe_tile_migrate_wait(struct xe_tile *tile);
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static inline bool xe_tile_is_root(struct xe_tile *tile)
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{
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return tile->id == 0;
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}
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/**
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* xe_tile_to_vr() - Return the struct xe_vram_region pointer from a
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* struct xe_tile pointer
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* @tile: Pointer to the struct xe_tile.
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*
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* Return: Pointer to the struct xe_vram_region embedded in *@tile.
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*/
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static inline struct xe_vram_region *xe_tile_to_vr(struct xe_tile *tile)
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{
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return tile->mem.vram;
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}
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#if IS_ENABLED(CONFIG_DRM_XE_PAGEMAP)
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struct drm_pagemap *xe_tile_local_pagemap(struct xe_tile *tile);
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#else
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static inline struct drm_pagemap *xe_tile_local_pagemap(struct xe_tile *tile)
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{
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return NULL;
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}
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#endif
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#endif
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