1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* |
3 | * Hypervisor filesystem for Linux on s390. Diag 204 and 224 |
4 | * implementation. |
5 | * |
6 | * Copyright IBM Corp. 2006, 2008 |
7 | * Author(s): Michael Holzheu <holzheu@de.ibm.com> |
8 | */ |
9 | |
10 | #ifndef _S390_HYPFS_DIAG_H_ |
11 | #define _S390_HYPFS_DIAG_H_ |
12 | |
13 | #include <asm/diag.h> |
14 | |
15 | enum diag204_format diag204_get_info_type(void); |
16 | void *diag204_get_buffer(enum diag204_format fmt, int *pages); |
17 | int diag204_store(void *buf, int pages); |
18 | |
19 | int __hypfs_diag_fs_init(void); |
20 | void __hypfs_diag_fs_exit(void); |
21 | |
22 | static inline int hypfs_diag_fs_init(void) |
23 | { |
24 | if (IS_ENABLED(CONFIG_S390_HYPFS_FS)) |
25 | return __hypfs_diag_fs_init(); |
26 | return 0; |
27 | } |
28 | |
29 | static inline void hypfs_diag_fs_exit(void) |
30 | { |
31 | if (IS_ENABLED(CONFIG_S390_HYPFS_FS)) |
32 | __hypfs_diag_fs_exit(); |
33 | } |
34 | |
35 | #endif /* _S390_HYPFS_DIAG_H_ */ |
36 | |