1 /*
2  * include/asm-s390/monwriter.h
3  *
4  * Copyright (C) IBM Corp. 2006
5  * Character device driver for writing z/VM APPLDATA monitor records
6  * Version 1.0
7  * Author(s): Melissa Howland <melissah@us.ibm.com>
8  *
9  */
10 
11 #ifndef _ASM_390_MONWRITER_H
12 #define _ASM_390_MONWRITER_H
13 
14 /* mon_function values */
15 #define MONWRITE_START_INTERVAL	0x00 /* start interval recording */
16 #define MONWRITE_STOP_INTERVAL	0x01 /* stop interval or config recording */
17 #define MONWRITE_GEN_EVENT	0x02 /* generate event record */
18 #define MONWRITE_START_CONFIG	0x03 /* start configuration recording */
19 
20 /* the header the app uses in its write() data */
21 struct monwrite_hdr {
22 	unsigned char mon_function;
23 	unsigned short applid;
24 	unsigned char record_num;
25 	unsigned short version;
26 	unsigned short release;
27 	unsigned short mod_level;
28 	unsigned short datalen;
29 	unsigned char hdrlen;
30 
31 } __attribute__((packed));
32 
33 #endif /* _ASM_390_MONWRITER_H */
34