xref: /linux/arch/s390/appldata/appldata.h (revision 5e8d780d745c1619aba81fe7166c5a4b5cad2b84)
1 /*
2  * arch/s390/appldata/appldata.h
3  *
4  * Definitions and interface for Linux - z/VM Monitor Stream.
5  *
6  * Copyright (C) 2003,2006 IBM Corporation, IBM Deutschland Entwicklung GmbH.
7  *
8  * Author: Gerald Schaefer <gerald.schaefer@de.ibm.com>
9  */
10 
11 //#define APPLDATA_DEBUG			/* Debug messages on/off */
12 
13 #define APPLDATA_MAX_REC_SIZE	  4024	/* Maximum size of the */
14 					/* data buffer */
15 #define APPLDATA_MAX_PROCS 100
16 
17 #define APPLDATA_PROC_NAME_LENGTH 16	/* Max. length of /proc name */
18 
19 #define APPLDATA_RECORD_MEM_ID		0x01	/* IDs to identify the */
20 #define APPLDATA_RECORD_OS_ID		0x02	/* individual records, */
21 #define APPLDATA_RECORD_NET_SUM_ID	0x03	/* must be < 256 !     */
22 #define APPLDATA_RECORD_PROC_ID		0x04
23 
24 #define CTL_APPLDATA 		2120	/* sysctl IDs, must be unique */
25 #define CTL_APPLDATA_TIMER 	2121
26 #define CTL_APPLDATA_INTERVAL 	2122
27 #define CTL_APPLDATA_MEM	2123
28 #define CTL_APPLDATA_OS		2124
29 #define CTL_APPLDATA_NET_SUM	2125
30 #define CTL_APPLDATA_PROC	2126
31 
32 #ifndef CONFIG_64BIT
33 
34 #define APPLDATA_START_INTERVAL_REC 0x00	/* Function codes for */
35 #define APPLDATA_STOP_REC	    0x01	/* DIAG 0xDC	  */
36 #define APPLDATA_GEN_EVENT_RECORD   0x02
37 #define APPLDATA_START_CONFIG_REC   0x03
38 
39 #else
40 
41 #define APPLDATA_START_INTERVAL_REC 0x80
42 #define APPLDATA_STOP_REC	    0x81
43 #define APPLDATA_GEN_EVENT_RECORD   0x82
44 #define APPLDATA_START_CONFIG_REC   0x83
45 
46 #endif /* CONFIG_64BIT */
47 
48 #define P_INFO(x...)	printk(KERN_INFO MY_PRINT_NAME " info: " x)
49 #define P_ERROR(x...)	printk(KERN_ERR MY_PRINT_NAME " error: " x)
50 #define P_WARNING(x...)	printk(KERN_WARNING MY_PRINT_NAME " status: " x)
51 
52 #ifdef APPLDATA_DEBUG
53 #define P_DEBUG(x...)   printk(KERN_DEBUG MY_PRINT_NAME " debug: " x)
54 #else
55 #define P_DEBUG(x...)   do {} while (0)
56 #endif
57 
58 struct appldata_ops {
59 	struct list_head list;
60 	struct ctl_table_header *sysctl_header;
61 	struct ctl_table *ctl_table;
62 	int    active;				/* monitoring status */
63 
64 	/* fill in from here */
65 	unsigned int ctl_nr;			/* sysctl ID */
66 	char name[APPLDATA_PROC_NAME_LENGTH];	/* name of /proc fs node */
67 	unsigned char record_nr;		/* Record Nr. for Product ID */
68 	void (*callback)(void *data);		/* callback function */
69 	void *data;				/* record data */
70 	unsigned int size;			/* size of record */
71 	struct module *owner;			/* THIS_MODULE */
72 	char mod_lvl[2];			/* modification level, EBCDIC */
73 };
74 
75 extern int appldata_register_ops(struct appldata_ops *ops);
76 extern void appldata_unregister_ops(struct appldata_ops *ops);
77 extern int appldata_diag(char record_nr, u16 function, unsigned long buffer,
78 			 u16 length, char *mod_lvl);
79 
80