drivers/staging/hv/logging.h

   1 /*
   2  *
   3  * Copyright (c) 2009, Microsoft Corporation.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms and conditions of the GNU General Public License,
   7  * version 2, as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  16  * Place - Suite 330, Boston, MA 02111-1307 USA.
  17  *
  18  * Authors:
  19  *   Haiyang Zhang <haiyangz@microsoft.com>
  20  *   Hank Janssen  <hjanssen@microsoft.com>
  21  *
  22  */
  23
  24
  25 #ifndef _LOGGING_H_
  26 #define _LOGGING_H_
  27
  28 /* #include <linux/init.h> */
  29 /* #include <linux/module.h> */
  30
  31
  32 #define VMBUS                           0x0001
  33 #define STORVSC                         0x0002
  34 #define NETVSC                          0x0004
  35 #define INPUTVSC                        0x0008
  36 #define BLKVSC                          0x0010
  37 #define VMBUS_DRV                       0x0100
  38 #define STORVSC_DRV                     0x0200
  39 #define NETVSC_DRV                      0x0400
  40 #define INPUTVSC_DRV            0x0800
  41 #define BLKVSC_DRV                      0x1000
  42
  43 #define ALL_MODULES                     (VMBUS          |\
  44                                                         STORVSC         |\
  45                                                         NETVSC          |\
  46                                                         INPUTVSC        |\
  47                                                         BLKVSC          |\
  48                                                         VMBUS_DRV       |\
  49                                                         STORVSC_DRV     |\
  50                                                         NETVSC_DRV      |\
  51                                                         INPUTVSC_DRV|\
  52                                                         BLKVSC_DRV)
  53
  54 /* Logging Level */
  55 #define ERROR_LVL                               3
  56 #define WARNING_LVL                             4
  57 #define INFO_LVL                                6
  58 #define DEBUG_LVL                               7
  59 #define DEBUG_LVL_ENTEREXIT                     8
  60 #define DEBUG_RING_LVL                          9
  61
  62 extern unsigned int vmbus_loglevel;
  63
  64 #define DPRINT(mod, lvl, fmt, args...) do {\
  65         if ((mod & (HIWORD(vmbus_loglevel))) && \
  66             (lvl <= LOWORD(vmbus_loglevel)))    \
  67                 printk(KERN_DEBUG #mod": %s() " fmt "\n", __func__, ## args);\
  68         } while (0)
  69
  70 #define DPRINT_DBG(mod, fmt, args...) do {\
  71         if ((mod & (HIWORD(vmbus_loglevel))) &&         \
  72             (DEBUG_LVL <= LOWORD(vmbus_loglevel)))      \
  73                 printk(KERN_DEBUG #mod": %s() " fmt "\n", __func__, ## args);\
  74         } while (0)
  75
  76 #define DPRINT_INFO(mod, fmt, args...) do {\
  77         if ((mod & (HIWORD(vmbus_loglevel))) &&         \
  78             (INFO_LVL <= LOWORD(vmbus_loglevel)))       \
  79                 printk(KERN_INFO #mod": " fmt "\n", ## args);\
  80         } while (0)
  81
  82 #define DPRINT_WARN(mod, fmt, args...) do {\
  83         if ((mod & (HIWORD(vmbus_loglevel))) &&         \
  84             (WARNING_LVL <= LOWORD(vmbus_loglevel)))    \
  85                 printk(KERN_WARNING #mod": WARNING! " fmt "\n", ## args);\
  86         } while (0)
  87
  88 #define DPRINT_ERR(mod, fmt, args...) do {\
  89         if ((mod & (HIWORD(vmbus_loglevel))) &&         \
  90             (ERROR_LVL <= LOWORD(vmbus_loglevel)))      \
  91                 printk(KERN_ERR #mod": %s() ERROR!! " fmt "\n", \
  92                        __func__, ## args);\
  93         } while (0)
  94
  95 #ifdef DEBUG
  96 #define DPRINT_ENTER(mod) do {\
  97         if ((mod & (HIWORD(vmbus_loglevel))) && \
  98             (DEBUG_LVL_ENTEREXIT <= LOWORD(vmbus_loglevel)))    \
  99                 printk(KERN_DEBUG "["#mod"]: %s() enter\n", __func__);\
 100         } while (0)
 101
 102 #define DPRINT_EXIT(mod) do {\
 103         if ((mod & (HIWORD(vmbus_loglevel))) && \
 104             (DEBUG_LVL_ENTEREXIT <= LOWORD(vmbus_loglevel)))    \
 105                 printk(KERN_DEBUG "["#mod"]: %s() exit\n", __func__);\
 106         } while (0)
 107 #else
 108 #define DPRINT_ENTER(mod)
 109 #define DPRINT_EXIT(mod)
 110 #endif
 111
 112 #endif /* _LOGGING_H_ */