90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
/*
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* Copyright (c) 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_CACHE_H
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#define __NVMAP_CACHE_H
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#include "nvmap_structs.h"
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#define CALL_CLEAN_CACHE_ON_INIT 1
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#define CALL_FLUSH_CACHE_ON_INIT 2
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#ifdef CONFIG_ARM64
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#define PG_PROT_KERNEL PAGE_KERNEL
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#define FLUSH_DCACHE_AREA __flush_dcache_area
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#define outer_flush_range(s, e)
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#define outer_inv_range(s, e)
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#define outer_clean_range(s, e)
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#define outer_flush_all()
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#define outer_clean_all()
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extern void __clean_dcache_page(struct page *);
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#else
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#define PG_PROT_KERNEL pgprot_kernel
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#define FLUSH_DCACHE_AREA __cpuc_flush_dcache_area
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extern void __flush_dcache_page(struct address_space *, struct page *);
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#endif
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/*
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* TODO: put op at beginning of APIS
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* - remove the cache_maint_op
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*
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*/
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struct cache_maint_op;
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int nvmap_cache_maint(struct cache_maint_op *cache_work);
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void nvmap_cache_maint_inner(unsigned int op, void *vaddr, size_t size);
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bool nvmap_cache_can_fast_maint(unsigned long start,
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unsigned long end, unsigned int op);
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void nvmap_cache_fast_maint(unsigned int op);
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void nvmap_cache_maint_heap_page_outer(struct page **pages,
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unsigned int op,
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unsigned long start, unsigned long end);
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void nvmap_cache_clean_pages(struct page **pages, int numpages);
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int nvmap_cache_maint_phys_range(unsigned int op, phys_addr_t pstart,
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phys_addr_t pend);
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void nvmap_cache_inner_clean_all(void);
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void nvmap_cache_inner_flush_all(void);
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struct nvmap_chip_cache_op {
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void (*inner_clean_cache_all)(void);
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void (*inner_flush_cache_all)(void);
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const char *name;
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int flags;
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};
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// TODO: Rename this
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void nvmap_handle_get_cacheability(struct nvmap_handle *h,
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bool *inner, bool *outer);
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typedef void (*nvmap_setup_chip_cache_fn)(struct nvmap_chip_cache_op *);
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extern struct of_device_id __nvmapcache_of_table;
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#define NVMAP_CACHE_OF_DECLARE(compat, fn) \
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_OF_DECLARE(nvmapcache, nvmapcache_of, compat, fn, \
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nvmap_setup_chip_cache_fn)
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extern size_t cache_maint_inner_threshold;
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extern int nvmap_cache_maint_by_set_ways;
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int nvmap_cache_debugfs_init(struct dentry *nvmap_root);
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void nvmap_override_cache_ops(void);
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#endif /* __NVMAP_CACHE_H */
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