M7350/bootable/bootloader/lk/include/lib/bcache.h

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2024-09-09 08:52:07 +00:00
/*
* Copyright (c) 2007 Travis Geiselbrecht
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef __LIB_BCACHE_H
#define __LIB_BCACHE_H
#include <lib/bio.h>
typedef void * bcache_t;
bcache_t bcache_create(bdev_t *dev, size_t block_size, int block_count);
void bcache_destroy(bcache_t);
int bcache_read_block(bcache_t, void *, uint block);
// get and put a pointer directly to the block
int bcache_get_block(bcache_t, void **, uint block);
int bcache_put_block(bcache_t, uint block);
#endif