1 /* 2 * SE/HMC Drive (Read) Cache Functions 3 * 4 * Copyright IBM Corp. 2013 5 * Author(s): Ralf Hoppe (rhoppe@de.ibm.com) 6 */ 7 8 #ifndef __HMCDRV_CACHE_H__ 9 #define __HMCDRV_CACHE_H__ 10 11 #include <linux/mmzone.h> 12 #include "hmcdrv_ftp.h" 13 14 #define HMCDRV_CACHE_SIZE_DFLT (MAX_ORDER_NR_PAGES * PAGE_SIZE / 2UL) 15 16 typedef ssize_t (*hmcdrv_cache_ftpfunc)(const struct hmcdrv_ftp_cmdspec *ftp, 17 size_t *fsize); 18 19 ssize_t hmcdrv_cache_cmd(const struct hmcdrv_ftp_cmdspec *ftp, 20 hmcdrv_cache_ftpfunc func); 21 int hmcdrv_cache_startup(size_t cachesize); 22 void hmcdrv_cache_shutdown(void); 23 24 #endif /* __HMCDRV_CACHE_H__ */ 25