drivers/infiniband/hw/usnic/usnic_log.h

   1 /*
   2  * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved.
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and/or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  *
  32  */
  33
  34 #ifndef USNIC_LOG_H_
  35 #define USNIC_LOG_H_
  36
  37 #include "usnic.h"
  38
  39 extern unsigned int usnic_log_lvl;
  40
  41 #define USNIC_LOG_LVL_NONE              (0)
  42 #define USNIC_LOG_LVL_ERR               (1)
  43 #define USNIC_LOG_LVL_INFO              (2)
  44 #define USNIC_LOG_LVL_DBG               (3)
  45
  46 #define usnic_printk(lvl, args...) \
  47         do { \
  48                 printk(lvl "%s:%s:%d: ", DRV_NAME, __func__, \
  49                                 __LINE__); \
  50                 printk(args); \
  51         } while (0)
  52
  53 #define usnic_dbg(args...) \
  54         do { \
  55                 if (unlikely(usnic_log_lvl >= USNIC_LOG_LVL_DBG)) { \
  56                         usnic_printk(KERN_INFO, args); \
  57         } \
  58 } while (0)
  59
  60 #define usnic_info(args...) \
  61 do { \
  62         if (usnic_log_lvl >= USNIC_LOG_LVL_INFO) { \
  63                         usnic_printk(KERN_INFO, args); \
  64         } \
  65 } while (0)
  66
  67 #define usnic_err(args...) \
  68         do { \
  69                 if (usnic_log_lvl >= USNIC_LOG_LVL_ERR) { \
  70                         usnic_printk(KERN_ERR, args); \
  71                 } \
  72         } while (0)
  73 #endif /* !USNIC_LOG_H_ */