diff options
Diffstat (limited to 'drivers/s390/net/ctcdbug.c')
| -rw-r--r-- | drivers/s390/net/ctcdbug.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/drivers/s390/net/ctcdbug.c b/drivers/s390/net/ctcdbug.c new file mode 100644 index 000000000000..2c86bfa11b2f --- /dev/null +++ b/drivers/s390/net/ctcdbug.c @@ -0,0 +1,83 @@ +/* + * + * linux/drivers/s390/net/ctcdbug.c ($Revision: 1.4 $) + * + * CTC / ESCON network driver - s390 dbf exploit. + * + * Copyright 2000,2003 IBM Corporation + * + * Author(s): Original Code written by + * Peter Tiedemann (ptiedem@de.ibm.com) + * + * $Revision: 1.4 $ $Date: 2004/08/04 10:11:59 $ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "ctcdbug.h" + +/** + * Debug Facility Stuff + */ +debug_info_t *ctc_dbf_setup = NULL; +debug_info_t *ctc_dbf_data = NULL; +debug_info_t *ctc_dbf_trace = NULL; + +DEFINE_PER_CPU(char[256], ctc_dbf_txt_buf); + +void +ctc_unregister_dbf_views(void) +{ + if (ctc_dbf_setup) + debug_unregister(ctc_dbf_setup); + if (ctc_dbf_data) + debug_unregister(ctc_dbf_data); + if (ctc_dbf_trace) + debug_unregister(ctc_dbf_trace); +} +int +ctc_register_dbf_views(void) +{ + ctc_dbf_setup = debug_register(CTC_DBF_SETUP_NAME, + CTC_DBF_SETUP_INDEX, + CTC_DBF_SETUP_NR_AREAS, + CTC_DBF_SETUP_LEN); + ctc_dbf_data = debug_register(CTC_DBF_DATA_NAME, + CTC_DBF_DATA_INDEX, + CTC_DBF_DATA_NR_AREAS, + CTC_DBF_DATA_LEN); + ctc_dbf_trace = debug_register(CTC_DBF_TRACE_NAME, + CTC_DBF_TRACE_INDEX, + CTC_DBF_TRACE_NR_AREAS, + CTC_DBF_TRACE_LEN); + + if ((ctc_dbf_setup == NULL) || (ctc_dbf_data == NULL) || + (ctc_dbf_trace == NULL)) { + ctc_unregister_dbf_views(); + return -ENOMEM; + } + debug_register_view(ctc_dbf_setup, &debug_hex_ascii_view); + debug_set_level(ctc_dbf_setup, CTC_DBF_SETUP_LEVEL); + + debug_register_view(ctc_dbf_data, &debug_hex_ascii_view); + debug_set_level(ctc_dbf_data, CTC_DBF_DATA_LEVEL); + + debug_register_view(ctc_dbf_trace, &debug_hex_ascii_view); + debug_set_level(ctc_dbf_trace, CTC_DBF_TRACE_LEVEL); + + return 0; +} + + |