xref: /openbmc/linux/arch/s390/appldata/appldata.h (revision 545e4006)
1 /*
2  * arch/s390/appldata/appldata.h
3  *
4  * Definitions and interface for Linux - z/VM Monitor Stream.
5  *
6  * Copyright IBM Corp. 2003, 2008
7  *
8  * Author: Gerald Schaefer <gerald.schaefer@de.ibm.com>
9  */
10 
11 #define APPLDATA_MAX_REC_SIZE	  4024	/* Maximum size of the */
12 					/* data buffer */
13 #define APPLDATA_MAX_PROCS 100
14 
15 #define APPLDATA_PROC_NAME_LENGTH 16	/* Max. length of /proc name */
16 
17 #define APPLDATA_RECORD_MEM_ID		0x01	/* IDs to identify the */
18 #define APPLDATA_RECORD_OS_ID		0x02	/* individual records, */
19 #define APPLDATA_RECORD_NET_SUM_ID	0x03	/* must be < 256 !     */
20 #define APPLDATA_RECORD_PROC_ID		0x04
21 
22 #define CTL_APPLDATA_TIMER 	2121	/* sysctl IDs, must be unique */
23 #define CTL_APPLDATA_INTERVAL 	2122
24 #define CTL_APPLDATA_MEM	2123
25 #define CTL_APPLDATA_OS		2124
26 #define CTL_APPLDATA_NET_SUM	2125
27 #define CTL_APPLDATA_PROC	2126
28 
29 #define P_INFO(x...)	printk(KERN_INFO MY_PRINT_NAME " info: " x)
30 #define P_ERROR(x...)	printk(KERN_ERR MY_PRINT_NAME " error: " x)
31 #define P_WARNING(x...)	printk(KERN_WARNING MY_PRINT_NAME " status: " x)
32 
33 struct appldata_ops {
34 	struct list_head list;
35 	struct ctl_table_header *sysctl_header;
36 	struct ctl_table *ctl_table;
37 	int    active;				/* monitoring status */
38 
39 	/* fill in from here */
40 	char name[APPLDATA_PROC_NAME_LENGTH];	/* name of /proc fs node */
41 	unsigned char record_nr;		/* Record Nr. for Product ID */
42 	void (*callback)(void *data);		/* callback function */
43 	void *data;				/* record data */
44 	unsigned int size;			/* size of record */
45 	struct module *owner;			/* THIS_MODULE */
46 	char mod_lvl[2];			/* modification level, EBCDIC */
47 };
48 
49 extern int appldata_register_ops(struct appldata_ops *ops);
50 extern void appldata_unregister_ops(struct appldata_ops *ops);
51 extern int appldata_diag(char record_nr, u16 function, unsigned long buffer,
52 			 u16 length, char *mod_lvl);
53 
54