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