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