projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 24bbb1fa | 1 | /* |
| 24bbb1fa MH |
2 | * Hypervisor filesystem for Linux on s390. |
| 3 | * | |
| a53c8fab | 4 | * Copyright IBM Corp. 2006 |
| 24bbb1fa MH |
5 | * Author(s): Michael Holzheu <holzheu@de.ibm.com> |
| 6 | */ | |
| 7 | ||
| 8 | #ifndef _HYPFS_H_ | |
| 9 | #define _HYPFS_H_ | |
| 10 | ||
| 11 | #include <linux/fs.h> | |
| 12 | #include <linux/types.h> | |
| 57b28f66 | 13 | #include <linux/debugfs.h> |
| 2fcb3686 MH |
14 | #include <linux/workqueue.h> |
| 15 | #include <linux/kref.h> | |
| 24bbb1fa MH |
16 | |
| 17 | #define REG_FILE_MODE 0440 | |
| 18 | #define UPDATE_FILE_MODE 0220 | |
| 19 | #define DIR_MODE 0550 | |
| 20 | ||
| 21 | extern struct dentry *hypfs_mkdir(struct super_block *sb, struct dentry *parent, | |
| 22 | const char *name); | |
| 23 | ||
| 24 | extern struct dentry *hypfs_create_u64(struct super_block *sb, | |
| 25 | struct dentry *dir, const char *name, | |
| 26 | __u64 value); | |
| 27 | ||
| 28 | extern struct dentry *hypfs_create_str(struct super_block *sb, | |
| 29 | struct dentry *dir, const char *name, | |
| 30 | char *string); | |
| 31 | ||
| 31cb4bd3 MH |
32 | /* LPAR Hypervisor */ |
| 33 | extern int hypfs_diag_init(void); | |
| 34 | extern void hypfs_diag_exit(void); | |
| 35 | extern int hypfs_diag_create_files(struct super_block *sb, struct dentry *root); | |
| 36 | ||
| 37 | /* VM Hypervisor */ | |
| 38 | extern int hypfs_vm_init(void); | |
| 57b28f66 | 39 | extern void hypfs_vm_exit(void); |
| 31cb4bd3 MH |
40 | extern int hypfs_vm_create_files(struct super_block *sb, struct dentry *root); |
| 41 | ||
| 2fcb3686 MH |
42 | /* debugfs interface */ |
| 43 | struct hypfs_dbfs_file; | |
| 44 | ||
| 45 | struct hypfs_dbfs_data { | |
| 46 | void *buf; | |
| 47 | void *buf_free_ptr; | |
| 48 | size_t size; | |
| 6eab04a8 | 49 | struct hypfs_dbfs_file *dbfs_file; |
| 2fcb3686 MH |
50 | struct kref kref; |
| 51 | }; | |
| 52 | ||
| 53 | struct hypfs_dbfs_file { | |
| 54 | const char *name; | |
| 55 | int (*data_create)(void **data, void **data_free_ptr, | |
| 56 | size_t *size); | |
| 57 | void (*data_free)(const void *buf_free_ptr); | |
| 58 | ||
| 59 | /* Private data for hypfs_dbfs.c */ | |
| 60 | struct hypfs_dbfs_data *data; | |
| 61 | struct delayed_work data_free_work; | |
| 62 | struct mutex lock; | |
| 63 | struct dentry *dentry; | |
| 64 | }; | |
| 65 | ||
| 66 | extern int hypfs_dbfs_init(void); | |
| 67 | extern void hypfs_dbfs_exit(void); | |
| 68 | extern int hypfs_dbfs_create_file(struct hypfs_dbfs_file *df); | |
| 69 | extern void hypfs_dbfs_remove_file(struct hypfs_dbfs_file *df); | |
| 70 | ||
| 24bbb1fa | 71 | #endif /* _HYPFS_H_ */ |