appldata.h

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/*
 * Definitions and interface for Linux - z/VM Monitor Stream.
 *
 * Copyright IBM Corp. 2003, 2008
 *
 * Author: Gerald Schaefer <[email protected]>
 */

#define APPLDATA_MAX_REC_SIZE     4024  /* Maximum size of the */
                    /* data buffer */
#define APPLDATA_MAX_PROCS 100

#define APPLDATA_PROC_NAME_LENGTH 16    /* Max. length of /proc name */

#define APPLDATA_RECORD_MEM_ID      0x01    /* IDs to identify the */
#define APPLDATA_RECORD_OS_ID       0x02    /* individual records, */
#define APPLDATA_RECORD_NET_SUM_ID  0x03    /* must be < 256 !     */
#define APPLDATA_RECORD_PROC_ID     0x04

#define CTL_APPLDATA_TIMER  2121    /* sysctl IDs, must be unique */
#define CTL_APPLDATA_INTERVAL   2122
#define CTL_APPLDATA_MEM    2123
#define CTL_APPLDATA_OS     2124
#define CTL_APPLDATA_NET_SUM    2125
#define CTL_APPLDATA_PROC   2126

struct appldata_ops {
    struct list_head list;
    struct ctl_table_header *sysctl_header;
    struct ctl_table *ctl_table;
    int    active;              /* monitoring status */

    /* fill in from here */
    char name[APPLDATA_PROC_NAME_LENGTH];   /* name of /proc fs node */
    unsigned char record_nr;        /* Record Nr. for Product ID */
    void (*callback)(void *data);       /* callback function */
    void *data;             /* record data */
    unsigned int size;          /* size of record */
    struct module *owner;           /* THIS_MODULE */
    char mod_lvl[2];            /* modification level, EBCDIC */
};

extern int appldata_register_ops(struct appldata_ops *ops);
extern void appldata_unregister_ops(struct appldata_ops *ops);
extern int appldata_diag(char record_nr, u16 function, unsigned long buffer,
             u16 length, char *mod_lvl);