arch/s390/appldata/appldata.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Definitions and interface for Linux - z/VM Monitor Stream.
   4  *
   5  * Copyright IBM Corp. 2003, 2008
   6  *
   7  * Author: Gerald Schaefer <gerald.schaefer@de.ibm.com>
   8  */
   9
  10 #define APPLDATA_MAX_REC_SIZE     4024  /* Maximum size of the */
  11                                         /* data buffer */
  12 #define APPLDATA_MAX_PROCS 100
  13
  14 #define APPLDATA_PROC_NAME_LENGTH 16    /* Max. length of /proc name */
  15
  16 #define APPLDATA_RECORD_MEM_ID          0x01    /* IDs to identify the */
  17 #define APPLDATA_RECORD_OS_ID           0x02    /* individual records, */
  18 #define APPLDATA_RECORD_NET_SUM_ID      0x03    /* must be < 256 !     */
  19 #define APPLDATA_RECORD_PROC_ID         0x04
  20
  21 #define CTL_APPLDATA_TIMER      2121    /* sysctl IDs, must be unique */
  22 #define CTL_APPLDATA_INTERVAL   2122
  23 #define CTL_APPLDATA_MEM        2123
  24 #define CTL_APPLDATA_OS         2124
  25 #define CTL_APPLDATA_NET_SUM    2125
  26 #define CTL_APPLDATA_PROC       2126
  27
  28 struct appldata_ops {
  29         struct list_head list;
  30         struct ctl_table_header *sysctl_header;
  31         struct ctl_table *ctl_table;
  32         int    active;                          /* monitoring status */
  33
  34         /* fill in from here */
  35         char name[APPLDATA_PROC_NAME_LENGTH];   /* name of /proc fs node */
  36         unsigned char record_nr;                /* Record Nr. for Product ID */
  37         void (*callback)(void *data);           /* callback function */
  38         void *data;                             /* record data */
  39         unsigned int size;                      /* size of record */
  40         struct module *owner;                   /* THIS_MODULE */
  41         char mod_lvl[2];                        /* modification level, EBCDIC */
  42 };
  43
  44 extern int appldata_register_ops(struct appldata_ops *ops);
  45 extern void appldata_unregister_ops(struct appldata_ops *ops);
  46 extern int appldata_diag(char record_nr, u16 function, unsigned long buffer,
  47                          u16 length, char *mod_lvl);
  48