| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Ralf Hoppe | 8f933b1 | 2013-04-08 09:52:57 +0200 | [diff] [blame] | 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__ */ |