arch/s390/appldata/appldata.h

   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 struct appldata_ops {
  30         struct list_head list;
  31         struct ctl_table_header *sysctl_header;
  32         struct ctl_table *ctl_table;
  33         int    active;                          /* monitoring status */
  34
  35         /* fill in from here */
  36         char name[APPLDATA_PROC_NAME_LENGTH];   /* name of /proc fs node */
  37         unsigned char record_nr;                /* Record Nr. for Product ID */
  38         void (*callback)(void *data);           /* callback function */
  39         void *data;                             /* record data */
  40         unsigned int size;                      /* size of record */
  41         struct module *owner;                   /* THIS_MODULE */
  42         char mod_lvl[2];                        /* modification level, EBCDIC */
  43 };
  44
  45 extern int appldata_register_ops(struct appldata_ops *ops);
  46 extern void appldata_unregister_ops(struct appldata_ops *ops);
  47 extern int appldata_diag(char record_nr, u16 function, unsigned long buffer,
  48                          u16 length, char *mod_lvl);
  49