projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 24bbb1fa | 1 | /* |
| f19bfb2c | 2 | * arch/s390/hypfs/hypfs.h |
| 24bbb1fa MH |
3 | * Hypervisor filesystem for Linux on s390. |
| 4 | * | |
| 5 | * Copyright (C) IBM Corp. 2006 | |
| 6 | * Author(s): Michael Holzheu <[email protected]> | |
| 7 | */ | |
| 8 | ||
| 9 | #ifndef _HYPFS_H_ | |
| 10 | #define _HYPFS_H_ | |
| 11 | ||
| 12 | #include <linux/fs.h> | |
| 13 | #include <linux/types.h> | |
| 57b28f66 | 14 | #include <linux/debugfs.h> |
| 2fcb3686 MH |
15 | #include <linux/workqueue.h> |
| 16 | #include <linux/kref.h> | |
| 24bbb1fa MH |
17 | |
| 18 | #define REG_FILE_MODE 0440 | |
| 19 | #define UPDATE_FILE_MODE 0220 | |
| 20 | #define DIR_MODE 0550 | |
| 21 | ||
| 22 | extern struct dentry *hypfs_mkdir(struct super_block *sb, struct dentry *parent, | |
| 23 | const char *name); | |
| 24 | ||
| 25 | extern struct dentry *hypfs_create_u64(struct super_block *sb, | |
| 26 | struct dentry *dir, const char *name, | |
| 27 | __u64 value); | |
| 28 | ||
| 29 | extern struct dentry *hypfs_create_str(struct super_block *sb, | |
| 30 | struct dentry *dir, const char *name, | |
| 31 | char *string); | |
| 32 | ||
| 31cb4bd3 MH |
33 | /* LPAR Hypervisor */ |
| 34 | extern int hypfs_diag_init(void); | |
| 35 | extern void hypfs_diag_exit(void); | |
| 36 | extern int hypfs_diag_create_files(struct super_block *sb, struct dentry *root); | |
| 37 | ||
| 38 | /* VM Hypervisor */ | |
| 39 | extern int hypfs_vm_init(void); | |
| 57b28f66 | 40 | extern void hypfs_vm_exit(void); |
| 31cb4bd3 MH |
41 | extern int hypfs_vm_create_files(struct super_block *sb, struct dentry *root); |
| 42 | ||
| 2fcb3686 MH |
43 | /* debugfs interface */ |
| 44 | struct hypfs_dbfs_file; | |
| 45 | ||
| 46 | struct hypfs_dbfs_data { | |
| 47 | void *buf; | |
| 48 | void *buf_free_ptr; | |
| 49 | size_t size; | |
| 6eab04a8 | 50 | struct hypfs_dbfs_file *dbfs_file; |
| 2fcb3686 MH |
51 | struct kref kref; |
| 52 | }; | |
| 53 | ||
| 54 | struct hypfs_dbfs_file { | |
| 55 | const char *name; | |
| 56 | int (*data_create)(void **data, void **data_free_ptr, | |
| 57 | size_t *size); | |
| 58 | void (*data_free)(const void *buf_free_ptr); | |
| 59 | ||
| 60 | /* Private data for hypfs_dbfs.c */ | |
| 61 | struct hypfs_dbfs_data *data; | |
| 62 | struct delayed_work data_free_work; | |
| 63 | struct mutex lock; | |
| 64 | struct dentry *dentry; | |
| 65 | }; | |
| 66 | ||
| 67 | extern int hypfs_dbfs_init(void); | |
| 68 | extern void hypfs_dbfs_exit(void); | |
| 69 | extern int hypfs_dbfs_create_file(struct hypfs_dbfs_file *df); | |
| 70 | extern void hypfs_dbfs_remove_file(struct hypfs_dbfs_file *df); | |
| 71 | ||
| 24bbb1fa | 72 | #endif /* _HYPFS_H_ */ |