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 #define LOWORD(dw) ((unsigned short)(dw))
  29 #define HIWORD(dw) ((unsigned short)(((unsigned int) (dw) >> 16) & 0xFFFF))
  30
  31 /* #include <linux/init.h> */
  32 /* #include <linux/module.h> */
  33
  34
  35 #define VMBUS                           0x0001
  36 #define STORVSC                         0x0002
  37 #define NETVSC                          0x0004
  38 #define INPUTVSC                        0x0008
  39 #define BLKVSC                          0x0010
  40 #define VMBUS_DRV                       0x0100
  41 #define STORVSC_DRV                     0x0200
  42 #define NETVSC_DRV                      0x0400
  43 #define INPUTVSC_DRV            0x0800
  44 #define BLKVSC_DRV                      0x1000
  45
  46 #define ALL_MODULES                     (VMBUS          |\
  47                                                         STORVSC         |\
  48                                                         NETVSC          |\
  49                                                         INPUTVSC        |\
  50                                                         BLKVSC          |\
  51                                                         VMBUS_DRV       |\
  52                                                         STORVSC_DRV     |\
  53                                                         NETVSC_DRV      |\
  54                                                         INPUTVSC_DRV|\
  55                                                         BLKVSC_DRV)
  56
  57 /* Logging Level */
  58 #define ERROR_LVL                               3
  59 #define WARNING_LVL                             4
  60 #define INFO_LVL                                6
  61 #define DEBUG_LVL                               7
  62 #define DEBUG_LVL_ENTEREXIT                     8
  63 #define DEBUG_RING_LVL                          9
  64
  65 extern unsigned int vmbus_loglevel;
  66
  67 #define DPRINT(mod, lvl, fmt, args...) do {\
  68         if ((mod & (HIWORD(vmbus_loglevel))) && \
  69             (lvl <= LOWORD(vmbus_loglevel)))    \
  70                 printk(KERN_DEBUG #mod": %s() " fmt "\n", __func__, ## args);\
  71         } while (0)
  72
  73 #define DPRINT_DBG(mod, fmt, args...) do {\
  74         if ((mod & (HIWORD(vmbus_loglevel))) &&         \
  75             (DEBUG_LVL <= LOWORD(vmbus_loglevel)))      \
  76                 printk(KERN_DEBUG #mod": %s() " fmt "\n", __func__, ## args);\
  77         } while (0)
  78
  79 #define DPRINT_INFO(mod, fmt, args...) do {\
  80         if ((mod & (HIWORD(vmbus_loglevel))) &&         \
  81             (INFO_LVL <= LOWORD(vmbus_loglevel)))       \
  82                 printk(KERN_INFO #mod": " fmt "\n", ## args);\
  83         } while (0)
  84
  85 #define DPRINT_WARN(mod, fmt, args...) do {\
  86         if ((mod & (HIWORD(vmbus_loglevel))) &&         \
  87             (WARNING_LVL <= LOWORD(vmbus_loglevel)))    \
  88                 printk(KERN_WARNING #mod": WARNING! " fmt "\n", ## args);\
  89         } while (0)
  90
  91 #define DPRINT_ERR(mod, fmt, args...) do {\
  92         if ((mod & (HIWORD(vmbus_loglevel))) &&         \
  93             (ERROR_LVL <= LOWORD(vmbus_loglevel)))      \
  94                 printk(KERN_ERR #mod": %s() ERROR!! " fmt "\n", \
  95                        __func__, ## args);\
  96         } while (0)
  97
  98 #endif /* _LOGGING_H_ */