58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
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/*
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* drivers/video/tegra/nvmap/nvmap_heap.h
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*
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* GPU heap allocator.
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*
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* Copyright (c) 2010-2018, NVIDIA Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*/
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#ifndef __NVMAP_HEAP_H
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#define __NVMAP_HEAP_H
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struct device;
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struct nvmap_heap;
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struct nvmap_client;
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struct nvmap_heap_block {
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phys_addr_t base;
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unsigned int type;
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struct nvmap_handle *handle;
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};
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struct nvmap_heap *nvmap_heap_create(struct device *parent,
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const struct nvmap_platform_carveout *co,
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phys_addr_t base, size_t len, void *arg);
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void nvmap_heap_destroy(struct nvmap_heap *heap);
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struct nvmap_heap_block *nvmap_heap_alloc(struct nvmap_heap *heap,
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struct nvmap_handle *handle,
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phys_addr_t *start);
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struct nvmap_heap *nvmap_block_to_heap(struct nvmap_heap_block *b);
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void nvmap_heap_free(struct nvmap_heap_block *block);
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int __init nvmap_heap_init(void);
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void nvmap_heap_deinit(void);
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int nvmap_flush_heap_block(struct nvmap_client *client,
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struct nvmap_heap_block *block, size_t len, unsigned int prot);
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void nvmap_heap_debugfs_init(struct dentry *heap_root, struct nvmap_heap *heap);
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int nvmap_query_heap_peer(struct nvmap_heap *heap);
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size_t nvmap_query_heap_size(struct nvmap_heap *heap);
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#endif
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