| 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 __always_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 | |