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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
8f933b10 RH |
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__ */ |