1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Hypervisor filesystem for Linux on s390.
5 * Copyright IBM Corp. 2006
6 * Author(s): Michael Holzheu <holzheu@de.ibm.com>
13 #include <linux/types.h>
14 #include <linux/debugfs.h>
15 #include <linux/workqueue.h>
16 #include <linux/kref.h>
17 #include <asm/hypfs.h>
19 #define REG_FILE_MODE 0440
20 #define UPDATE_FILE_MODE 0220
23 extern struct dentry *hypfs_mkdir(struct dentry *parent, const char *name);
25 extern struct dentry *hypfs_create_u64(struct dentry *dir, const char *name,
28 extern struct dentry *hypfs_create_str(struct dentry *dir, const char *name,
32 extern int hypfs_diag_init(void);
33 extern void hypfs_diag_exit(void);
34 extern int hypfs_diag_create_files(struct dentry *root);
37 extern int hypfs_vm_init(void);
38 extern void hypfs_vm_exit(void);
39 extern int hypfs_vm_create_files(struct dentry *root);
42 int hypfs_diag0c_init(void);
43 void hypfs_diag0c_exit(void);
45 /* Set Partition-Resource Parameter */
46 void hypfs_sprp_init(void);
47 void hypfs_sprp_exit(void);
49 int __hypfs_fs_init(void);
51 static inline int hypfs_fs_init(void)
53 if (IS_ENABLED(CONFIG_S390_HYPFS_FS))
54 return __hypfs_fs_init();
58 /* debugfs interface */
59 struct hypfs_dbfs_file;
61 struct hypfs_dbfs_data {
65 struct hypfs_dbfs_file *dbfs_file;
68 struct hypfs_dbfs_file {
70 int (*data_create)(void **data, void **data_free_ptr,
72 void (*data_free)(const void *buf_free_ptr);
73 long (*unlocked_ioctl) (struct file *, unsigned int,
76 /* Private data for hypfs_dbfs.c */
78 struct dentry *dentry;
81 extern void hypfs_dbfs_exit(void);
82 extern void hypfs_dbfs_create_file(struct hypfs_dbfs_file *df);
83 extern void hypfs_dbfs_remove_file(struct hypfs_dbfs_file *df);
85 #endif /* _HYPFS_H_ */