arch/s390/include/asm/monwriter.h

   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 */