Files
Linux_Drivers/linux_5.10/drivers/s390/char/hmcdrv_cache.h
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

26 lines
655 B
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* SE/HMC Drive (Read) Cache Functions
*
* Copyright IBM Corp. 2013
* Author(s): Ralf Hoppe (rhoppe@de.ibm.com)
*/
#ifndef __HMCDRV_CACHE_H__
#define __HMCDRV_CACHE_H__
#include <linux/mmzone.h>
#include "hmcdrv_ftp.h"
#define HMCDRV_CACHE_SIZE_DFLT (MAX_ORDER_NR_PAGES * PAGE_SIZE / 2UL)
typedef ssize_t (*hmcdrv_cache_ftpfunc)(const struct hmcdrv_ftp_cmdspec *ftp,
size_t *fsize);
ssize_t hmcdrv_cache_cmd(const struct hmcdrv_ftp_cmdspec *ftp,
hmcdrv_cache_ftpfunc func);
int hmcdrv_cache_startup(size_t cachesize);
void hmcdrv_cache_shutdown(void);
#endif /* __HMCDRV_CACHE_H__ */