linux/drivers/s390/net/ctcm_dbug.c

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/*
* drivers/s390/net/ctcm_dbug.c
*
* Copyright IBM Corp. 2001, 2007
* Authors: Peter Tiedemann (ptiedem@de.ibm.com)
*
*/
#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/ctype.h>
#include <linux/sysctl.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/debugfs.h>
#include "ctcm_dbug.h"
/*
* Debug Facility Stuff
*/
DEFINE_PER_CPU(char[256], ctcm_dbf_txt_buf);
struct ctcm_dbf_info ctcm_dbf[CTCM_DBF_INFOS] = {
[CTCM_DBF_SETUP] = {"ctc_setup", 8, 1, 64, 5, NULL},
[CTCM_DBF_ERROR] = {"ctc_error", 8, 1, 64, 3, NULL},
[CTCM_DBF_TRACE] = {"ctc_trace", 8, 1, 64, 3, NULL},
[CTCM_DBF_MPC_SETUP] = {"mpc_setup", 8, 1, 64, 5, NULL},
[CTCM_DBF_MPC_ERROR] = {"mpc_error", 8, 1, 64, 3, NULL},
[CTCM_DBF_MPC_TRACE] = {"mpc_trace", 8, 1, 64, 3, NULL},
};
void ctcm_unregister_dbf_views(void)
{
int x;
for (x = 0; x < CTCM_DBF_INFOS; x++) {
debug_unregister(ctcm_dbf[x].id);
ctcm_dbf[x].id = NULL;
}
}
int ctcm_register_dbf_views(void)
{
int x;
for (x = 0; x < CTCM_DBF_INFOS; x++) {
/* register the areas */
ctcm_dbf[x].id = debug_register(ctcm_dbf[x].name,
ctcm_dbf[x].pages,
ctcm_dbf[x].areas,
ctcm_dbf[x].len);
if (ctcm_dbf[x].id == NULL) {
ctcm_unregister_dbf_views();
return -ENOMEM;
}
/* register a view */
debug_register_view(ctcm_dbf[x].id, &debug_hex_ascii_view);
/* set a passing level */
debug_set_level(ctcm_dbf[x].id, ctcm_dbf[x].level);
}
return 0;
}