Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *    Hypervisor filesystem for Linux on s390.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *    Copyright IBM Corp. 2006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *    Author(s): Michael Holzheu <holzheu@de.ibm.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #ifndef _HYPFS_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define _HYPFS_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/debugfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/kref.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <asm/hypfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define REG_FILE_MODE    0440
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define UPDATE_FILE_MODE 0220
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define DIR_MODE         0550
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) extern struct dentry *hypfs_mkdir(struct dentry *parent, const char *name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) extern struct dentry *hypfs_create_u64(struct dentry *dir, const char *name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 				       __u64 value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) extern struct dentry *hypfs_create_str(struct dentry *dir, const char *name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 				       char *string);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) /* LPAR Hypervisor */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) extern int hypfs_diag_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) extern void hypfs_diag_exit(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) extern int hypfs_diag_create_files(struct dentry *root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) /* VM Hypervisor */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) extern int hypfs_vm_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) extern void hypfs_vm_exit(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) extern int hypfs_vm_create_files(struct dentry *root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) /* VM diagnose 0c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) int hypfs_diag0c_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) void hypfs_diag0c_exit(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) /* Set Partition-Resource Parameter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) void hypfs_sprp_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) void hypfs_sprp_exit(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) /* debugfs interface */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct hypfs_dbfs_file;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) struct hypfs_dbfs_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	void			*buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	void			*buf_free_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	size_t			size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	struct hypfs_dbfs_file	*dbfs_file;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) struct hypfs_dbfs_file {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	const char	*name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	int		(*data_create)(void **data, void **data_free_ptr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 				       size_t *size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 	void		(*data_free)(const void *buf_free_ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 	long		(*unlocked_ioctl) (struct file *, unsigned int,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 					   unsigned long);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 	/* Private data for hypfs_dbfs.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 	struct mutex		lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 	struct dentry		*dentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) extern void hypfs_dbfs_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) extern void hypfs_dbfs_exit(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) extern void hypfs_dbfs_create_file(struct hypfs_dbfs_file *df);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) extern void hypfs_dbfs_remove_file(struct hypfs_dbfs_file *df);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) #endif /* _HYPFS_H_ */