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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * SE/HMC Drive (Read) Cache Functions4 *5 * Copyright IBM Corp. 20136 * Author(s): Ralf Hoppe (rhoppe@de.ibm.com)7 */8 9#ifndef __HMCDRV_CACHE_H__10#define __HMCDRV_CACHE_H__11 12#include <linux/mmzone.h>13#include "hmcdrv_ftp.h"14 15#define HMCDRV_CACHE_SIZE_DFLT (MAX_ORDER_NR_PAGES * PAGE_SIZE / 2UL)16 17typedef ssize_t (*hmcdrv_cache_ftpfunc)(const struct hmcdrv_ftp_cmdspec *ftp,18 size_t *fsize);19 20ssize_t hmcdrv_cache_cmd(const struct hmcdrv_ftp_cmdspec *ftp,21 hmcdrv_cache_ftpfunc func);22int hmcdrv_cache_startup(size_t cachesize);23void hmcdrv_cache_shutdown(void);24 25#endif /* __HMCDRV_CACHE_H__ */26