tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Hypervisor filesystem for Linux on s390.
3 *
4 * Copyright IBM Corp. 2006
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>
13#include <linux/debugfs.h>
14#include <linux/workqueue.h>
15#include <linux/kref.h>
16#include <asm/hypfs.h>
17
18#define REG_FILE_MODE 0440
19#define UPDATE_FILE_MODE 0220
20#define DIR_MODE 0550
21
22extern struct dentry *hypfs_mkdir(struct dentry *parent, const char *name);
23
24extern struct dentry *hypfs_create_u64(struct dentry *dir, const char *name,
25 __u64 value);
26
27extern struct dentry *hypfs_create_str(struct dentry *dir, const char *name,
28 char *string);
29
30/* LPAR Hypervisor */
31extern int hypfs_diag_init(void);
32extern void hypfs_diag_exit(void);
33extern int hypfs_diag_create_files(struct dentry *root);
34
35/* VM Hypervisor */
36extern int hypfs_vm_init(void);
37extern void hypfs_vm_exit(void);
38extern int hypfs_vm_create_files(struct dentry *root);
39
40/* Set Partition-Resource Parameter */
41int hypfs_sprp_init(void);
42void hypfs_sprp_exit(void);
43
44/* debugfs interface */
45struct hypfs_dbfs_file;
46
47struct hypfs_dbfs_data {
48 void *buf;
49 void *buf_free_ptr;
50 size_t size;
51 struct hypfs_dbfs_file *dbfs_file;
52 struct kref kref;
53};
54
55struct hypfs_dbfs_file {
56 const char *name;
57 int (*data_create)(void **data, void **data_free_ptr,
58 size_t *size);
59 void (*data_free)(const void *buf_free_ptr);
60 long (*unlocked_ioctl) (struct file *, unsigned int,
61 unsigned long);
62
63 /* Private data for hypfs_dbfs.c */
64 struct hypfs_dbfs_data *data;
65 struct delayed_work data_free_work;
66 struct mutex lock;
67 struct dentry *dentry;
68};
69
70extern int hypfs_dbfs_init(void);
71extern void hypfs_dbfs_exit(void);
72extern int hypfs_dbfs_create_file(struct hypfs_dbfs_file *df);
73extern void hypfs_dbfs_remove_file(struct hypfs_dbfs_file *df);
74
75#endif /* _HYPFS_H_ */