1 | /* SPDX-License-Identifier: GPL-2.0 */ |
---|---|
2 | /* |
3 | * SE/HMC Drive (Read) Cache Functions |
4 | * |
5 | * Copyright IBM Corp. 2013 |
6 | * 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 | |
17 | typedef ssize_t (*hmcdrv_cache_ftpfunc)(const struct hmcdrv_ftp_cmdspec *ftp, |
18 | size_t *fsize); |
19 | |
20 | ssize_t hmcdrv_cache_cmd(const struct hmcdrv_ftp_cmdspec *ftp, |
21 | hmcdrv_cache_ftpfunc func); |
22 | int hmcdrv_cache_startup(size_t cachesize); |
23 | void hmcdrv_cache_shutdown(void); |
24 | |
25 | #endif /* __HMCDRV_CACHE_H__ */ |
26 |