xref: /openbmc/linux/arch/s390/appldata/appldata.h (revision 498495dba268b20e8eadd7fe93c140c68b6cc9d2)
1*b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */
21da177e4SLinus Torvalds /*
31da177e4SLinus Torvalds  * Definitions and interface for Linux - z/VM Monitor Stream.
41da177e4SLinus Torvalds  *
5d3ae942dSGerald Schaefer  * Copyright IBM Corp. 2003, 2008
61da177e4SLinus Torvalds  *
75b5dd21aSGerald Schaefer  * Author: Gerald Schaefer <gerald.schaefer@de.ibm.com>
81da177e4SLinus Torvalds  */
91da177e4SLinus Torvalds 
101da177e4SLinus Torvalds #define APPLDATA_MAX_REC_SIZE	  4024	/* Maximum size of the */
111da177e4SLinus Torvalds 					/* data buffer */
121da177e4SLinus Torvalds #define APPLDATA_MAX_PROCS 100
131da177e4SLinus Torvalds 
141da177e4SLinus Torvalds #define APPLDATA_PROC_NAME_LENGTH 16	/* Max. length of /proc name */
151da177e4SLinus Torvalds 
161da177e4SLinus Torvalds #define APPLDATA_RECORD_MEM_ID		0x01	/* IDs to identify the */
171da177e4SLinus Torvalds #define APPLDATA_RECORD_OS_ID		0x02	/* individual records, */
181da177e4SLinus Torvalds #define APPLDATA_RECORD_NET_SUM_ID	0x03	/* must be < 256 !     */
191da177e4SLinus Torvalds #define APPLDATA_RECORD_PROC_ID		0x04
201da177e4SLinus Torvalds 
21feceb63eSEric W. Biederman #define CTL_APPLDATA_TIMER 	2121	/* sysctl IDs, must be unique */
221da177e4SLinus Torvalds #define CTL_APPLDATA_INTERVAL 	2122
231da177e4SLinus Torvalds #define CTL_APPLDATA_MEM	2123
241da177e4SLinus Torvalds #define CTL_APPLDATA_OS		2124
251da177e4SLinus Torvalds #define CTL_APPLDATA_NET_SUM	2125
261da177e4SLinus Torvalds #define CTL_APPLDATA_PROC	2126
271da177e4SLinus Torvalds 
281da177e4SLinus Torvalds struct appldata_ops {
291da177e4SLinus Torvalds 	struct list_head list;
301da177e4SLinus Torvalds 	struct ctl_table_header *sysctl_header;
311da177e4SLinus Torvalds 	struct ctl_table *ctl_table;
321da177e4SLinus Torvalds 	int    active;				/* monitoring status */
331da177e4SLinus Torvalds 
341da177e4SLinus Torvalds 	/* fill in from here */
351da177e4SLinus Torvalds 	char name[APPLDATA_PROC_NAME_LENGTH];	/* name of /proc fs node */
361da177e4SLinus Torvalds 	unsigned char record_nr;		/* Record Nr. for Product ID */
371da177e4SLinus Torvalds 	void (*callback)(void *data);		/* callback function */
381da177e4SLinus Torvalds 	void *data;				/* record data */
391da177e4SLinus Torvalds 	unsigned int size;			/* size of record */
401da177e4SLinus Torvalds 	struct module *owner;			/* THIS_MODULE */
415b5dd21aSGerald Schaefer 	char mod_lvl[2];			/* modification level, EBCDIC */
421da177e4SLinus Torvalds };
431da177e4SLinus Torvalds 
441da177e4SLinus Torvalds extern int appldata_register_ops(struct appldata_ops *ops);
451da177e4SLinus Torvalds extern void appldata_unregister_ops(struct appldata_ops *ops);
465b5dd21aSGerald Schaefer extern int appldata_diag(char record_nr, u16 function, unsigned long buffer,
475b5dd21aSGerald Schaefer 			 u16 length, char *mod_lvl);
485b5dd21aSGerald Schaefer 
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