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 (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_TIMER      2121    /* sysctl IDs, must be unique */
  25 #define CTL_APPLDATA_INTERVAL   2122
  26 #define CTL_APPLDATA_MEM        2123
  27 #define CTL_APPLDATA_OS         2124
  28 #define CTL_APPLDATA_NET_SUM    2125
  29 #define CTL_APPLDATA_PROC       2126
  30
  31 #define P_INFO(x...)    printk(KERN_INFO MY_PRINT_NAME " info: " x)
  32 #define P_ERROR(x...)   printk(KERN_ERR MY_PRINT_NAME " error: " x)
  33 #define P_WARNING(x...) printk(KERN_WARNING MY_PRINT_NAME " status: " x)
  34
  35 #ifdef APPLDATA_DEBUG
  36 #define P_DEBUG(x...)   printk(KERN_DEBUG MY_PRINT_NAME " debug: " x)
  37 #else
  38 #define P_DEBUG(x...)   do {} while (0)
  39 #endif
  40
  41 struct appldata_ops {
  42         struct list_head list;
  43         struct ctl_table_header *sysctl_header;
  44         struct ctl_table *ctl_table;
  45         int    active;                          /* monitoring status */
  46
  47         /* fill in from here */
  48         unsigned int ctl_nr;                    /* sysctl ID */
  49         char name[APPLDATA_PROC_NAME_LENGTH];   /* name of /proc fs node */
  50         unsigned char record_nr;                /* Record Nr. for Product ID */
  51         void (*callback)(void *data);           /* callback function */
  52         void *data;                             /* record data */
  53         unsigned int size;                      /* size of record */
  54         struct module *owner;                   /* THIS_MODULE */
  55         char mod_lvl[2];                        /* modification level, EBCDIC */
  56 };
  57
  58 extern int appldata_register_ops(struct appldata_ops *ops);
  59 extern void appldata_unregister_ops(struct appldata_ops *ops);
  60 extern int appldata_diag(char record_nr, u16 function, unsigned long buffer,
  61                          u16 length, char *mod_lvl);
  62