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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Hypervisor filesystem for Linux on s390.
*
* Copyright IBM Corp. 2006
* Author(s): Michael Holzheu <holzheu@de.ibm.com>
*/
#ifndef _HYPFS_H_
#define _HYPFS_H_
#include <linux/fs.h>
#include <linux/types.h>
#include <linux/debugfs.h>
#include <linux/workqueue.h>
#include <linux/kref.h>
#include <asm/hypfs.h>
#define REG_FILE_MODE 0440
#define UPDATE_FILE_MODE 0220
#define DIR_MODE 0550
extern struct dentry *hypfs_mkdir(struct dentry *parent, const char *name);
extern struct dentry *hypfs_create_u64(struct dentry *dir, const char *name,
__u64 value);
extern struct dentry *hypfs_create_str(struct dentry *dir, const char *name,
char *string);
/* LPAR Hypervisor */
extern int hypfs_diag_init(void);
extern void hypfs_diag_exit(void);
extern int hypfs_diag_create_files(struct dentry *root);
/* VM Hypervisor */
extern int hypfs_vm_init(void);
extern void hypfs_vm_exit(void);
extern int hypfs_vm_create_files(struct dentry *root);
/* VM diagnose 0c */
int hypfs_diag0c_init(void);
void hypfs_diag0c_exit(void);
/* Set Partition-Resource Parameter */
int hypfs_sprp_init(void);
void hypfs_sprp_exit(void);
/* debugfs interface */
struct hypfs_dbfs_file;
struct hypfs_dbfs_data {
void *buf;
void *buf_free_ptr;
size_t size;
struct hypfs_dbfs_file *dbfs_file;
};
struct hypfs_dbfs_file {
const char *name;
int (*data_create)(void **data, void **data_free_ptr,
size_t *size);
void (*data_free)(const void *buf_free_ptr);
long (*unlocked_ioctl) (struct file *, unsigned int,
unsigned long);
/* Private data for hypfs_dbfs.c */
struct mutex lock;
struct dentry *dentry;
};
extern int hypfs_dbfs_init(void);
extern void hypfs_dbfs_exit(void);
extern int hypfs_dbfs_create_file(struct hypfs_dbfs_file *df);
extern void hypfs_dbfs_remove_file(struct hypfs_dbfs_file *df);
#endif /* _HYPFS_H_ */
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