1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Definitions and interface for Linux - z/VM Monitor Stream.
4 *
5 * Copyright IBM Corp. 2003, 2008
6 *
7 * Author: Gerald Schaefer <gerald.schaefer@de.ibm.com>
8 */
9
10#define APPLDATA_MAX_REC_SIZE	  4024	/* Maximum size of the */
11					/* data buffer */
12#define APPLDATA_MAX_PROCS 100
13
14#define APPLDATA_PROC_NAME_LENGTH 16	/* Max. length of /proc name */
15
16#define APPLDATA_RECORD_MEM_ID		0x01	/* IDs to identify the */
17#define APPLDATA_RECORD_OS_ID		0x02	/* individual records, */
18#define APPLDATA_RECORD_NET_SUM_ID	0x03	/* must be < 256 !     */
19#define APPLDATA_RECORD_PROC_ID		0x04
20
21#define CTL_APPLDATA_TIMER 	2121	/* sysctl IDs, must be unique */
22#define CTL_APPLDATA_INTERVAL 	2122
23#define CTL_APPLDATA_MEM	2123
24#define CTL_APPLDATA_OS		2124
25#define CTL_APPLDATA_NET_SUM	2125
26#define CTL_APPLDATA_PROC	2126
27
28struct appldata_ops {
29	struct list_head list;
30	struct ctl_table_header *sysctl_header;
31	struct ctl_table *ctl_table;
32	int    active;				/* monitoring status */
33
34	/* fill in from here */
35	char name[APPLDATA_PROC_NAME_LENGTH];	/* name of /proc fs node */
36	unsigned char record_nr;		/* Record Nr. for Product ID */
37	void (*callback)(void *data);		/* callback function */
38	void *data;				/* record data */
39	unsigned int size;			/* size of record */
40	struct module *owner;			/* THIS_MODULE */
41	char mod_lvl[2];			/* modification level, EBCDIC */
42};
43
44extern int appldata_register_ops(struct appldata_ops *ops);
45extern void appldata_unregister_ops(struct appldata_ops *ops);
46extern int appldata_diag(char record_nr, u16 function, unsigned long buffer,
47			 u16 length, char *mod_lvl);
48
49