linux/arch/s390/appldata/appldata.h
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   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
  28struct 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
  44extern int appldata_register_ops(struct appldata_ops *ops);
  45extern void appldata_unregister_ops(struct appldata_ops *ops);
  46extern int appldata_diag(char record_nr, u16 function, unsigned long buffer,
  47                         u16 length, char *mod_lvl);
  48
  49