1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * SE/HMC Drive (Read) Cache Functions 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright IBM Corp. 2013 6*4882a593Smuzhiyun * Author(s): Ralf Hoppe (rhoppe@de.ibm.com) 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #ifndef __HMCDRV_CACHE_H__ 10*4882a593Smuzhiyun #define __HMCDRV_CACHE_H__ 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #include <linux/mmzone.h> 13*4882a593Smuzhiyun #include "hmcdrv_ftp.h" 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #define HMCDRV_CACHE_SIZE_DFLT (MAX_ORDER_NR_PAGES * PAGE_SIZE / 2UL) 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun typedef ssize_t (*hmcdrv_cache_ftpfunc)(const struct hmcdrv_ftp_cmdspec *ftp, 18*4882a593Smuzhiyun size_t *fsize); 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun ssize_t hmcdrv_cache_cmd(const struct hmcdrv_ftp_cmdspec *ftp, 21*4882a593Smuzhiyun hmcdrv_cache_ftpfunc func); 22*4882a593Smuzhiyun int hmcdrv_cache_startup(size_t cachesize); 23*4882a593Smuzhiyun void hmcdrv_cache_shutdown(void); 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun #endif /* __HMCDRV_CACHE_H__ */ 26