xref: /openbmc/linux/arch/s390/appldata/appldata.h (revision 293d5b43)
1 /*
2  * Definitions and interface for Linux - z/VM Monitor Stream.
3  *
4  * Copyright IBM Corp. 2003, 2008
5  *
6  * Author: Gerald Schaefer <gerald.schaefer@de.ibm.com>
7  */
8 
9 #define APPLDATA_MAX_REC_SIZE	  4024	/* Maximum size of the */
10 					/* data buffer */
11 #define APPLDATA_MAX_PROCS 100
12 
13 #define APPLDATA_PROC_NAME_LENGTH 16	/* Max. length of /proc name */
14 
15 #define APPLDATA_RECORD_MEM_ID		0x01	/* IDs to identify the */
16 #define APPLDATA_RECORD_OS_ID		0x02	/* individual records, */
17 #define APPLDATA_RECORD_NET_SUM_ID	0x03	/* must be < 256 !     */
18 #define APPLDATA_RECORD_PROC_ID		0x04
19 
20 #define CTL_APPLDATA_TIMER 	2121	/* sysctl IDs, must be unique */
21 #define CTL_APPLDATA_INTERVAL 	2122
22 #define CTL_APPLDATA_MEM	2123
23 #define CTL_APPLDATA_OS		2124
24 #define CTL_APPLDATA_NET_SUM	2125
25 #define CTL_APPLDATA_PROC	2126
26 
27 struct appldata_ops {
28 	struct list_head list;
29 	struct ctl_table_header *sysctl_header;
30 	struct ctl_table *ctl_table;
31 	int    active;				/* monitoring status */
32 
33 	/* fill in from here */
34 	char name[APPLDATA_PROC_NAME_LENGTH];	/* name of /proc fs node */
35 	unsigned char record_nr;		/* Record Nr. for Product ID */
36 	void (*callback)(void *data);		/* callback function */
37 	void *data;				/* record data */
38 	unsigned int size;			/* size of record */
39 	struct module *owner;			/* THIS_MODULE */
40 	char mod_lvl[2];			/* modification level, EBCDIC */
41 };
42 
43 extern int appldata_register_ops(struct appldata_ops *ops);
44 extern void appldata_unregister_ops(struct appldata_ops *ops);
45 extern int appldata_diag(char record_nr, u16 function, unsigned long buffer,
46 			 u16 length, char *mod_lvl);
47 
48