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Commit | Line | Data |
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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_ */ |