include/linux/vserver/debug.h

   1 #ifndef _VX_DEBUG_H
   2 #define _VX_DEBUG_H
   3
   4
   5 #define VXD_CBIT(n,m)   (vx_debug_ ## n & (1 << (m)))
   6 #define VXD_CMIN(n,m)   (vx_debug_ ## n > (m))
   7 #define VXD_MASK(n,m)   (vx_debug_ ## n & (m))
   8
   9 #define VXD_QPOS(v,p)   (((uint32_t)(v) >> ((p)*8)) & 0xFF)
  10 #define VXD_QUAD(v)     VXD_QPOS(v,0), VXD_QPOS(v,1),           \
  11                         VXD_QPOS(v,2), VXD_QPOS(v,3)
  12 #define VXF_QUAD        "%u.%u.%u.%u"
  13
  14 #define VXD_DEV(d)      (d), (d)->bd_inode->i_ino,              \
  15                         imajor((d)->bd_inode), iminor((d)->bd_inode)
  16 #define VXF_DEV         "%p[%lu,%d:%d]"
  17
  18
  19 #define __FUNC__        __func__
  20
  21
  22 #define vxd_path(d,m)                                           \
  23         ({ static char _buffer[PATH_MAX];                       \
  24            d_path((d), (m), _buffer, sizeof(_buffer)); })
  25
  26 #define vxd_cond_path(n)                                        \
  27         ((n) ? vxd_path((n)->dentry, (n)->mnt) : "<null>" )
  28
  29
  30 #ifdef  CONFIG_VSERVER_DEBUG
  31
  32 extern unsigned int vx_debug_switch;
  33 extern unsigned int vx_debug_xid;
  34 extern unsigned int vx_debug_nid;
  35 extern unsigned int vx_debug_tag;
  36 extern unsigned int vx_debug_net;
  37 extern unsigned int vx_debug_limit;
  38 extern unsigned int vx_debug_cres;
  39 extern unsigned int vx_debug_dlim;
  40 extern unsigned int vx_debug_quota;
  41 extern unsigned int vx_debug_cvirt;
  42 extern unsigned int vx_debug_misc;
  43
  44
  45 #define VX_LOGLEVEL     "vxD: "
  46
  47 #define vxdprintk(c,f,x...)                                     \
  48         do {                                                    \
  49                 if (c)                                          \
  50                         printk(VX_LOGLEVEL f "\n" , ##x);       \
  51         } while (0)
  52
  53 #define vxlprintk(c,f,x...)                                     \
  54         do {                                                    \
  55                 if (c)                                          \
  56                         printk(VX_LOGLEVEL f " @%s:%d\n", x);   \
  57         } while (0)
  58
  59 #define vxfprintk(c,f,x...)                                     \
  60         do {                                                    \
  61                 if (c)                                          \
  62                         printk(VX_LOGLEVEL f " %s@%s:%d\n", x); \
  63         } while (0)
  64
  65
  66 struct vx_info;
  67
  68 void dump_vx_info(struct vx_info *, int);
  69 void dump_vx_info_inactive(int);
  70
  71 #else   /* CONFIG_VSERVER_DEBUG */
  72
  73 #define vx_debug_switch 0
  74 #define vx_debug_xid    0
  75 #define vx_debug_nid    0
  76 #define vx_debug_tag    0
  77 #define vx_debug_net    0
  78 #define vx_debug_limit  0
  79 #define vx_debug_cres   0
  80 #define vx_debug_dlim   0
  81 #define vx_debug_cvirt  0
  82
  83 #define vxdprintk(x...) do { } while (0)
  84 #define vxlprintk(x...) do { } while (0)
  85 #define vxfprintk(x...) do { } while (0)
  86
  87 #endif  /* CONFIG_VSERVER_DEBUG */
  88
  89
  90 #ifdef  CONFIG_VSERVER_WARN
  91
  92 #define VX_WARNLEVEL    KERN_WARNING "vxW: "
  93
  94 #define vxwprintk(c,f,x...)                                     \
  95         do {                                                    \
  96                 if (c)                                          \
  97                         printk(VX_WARNLEVEL f "\n" , ##x);      \
  98         } while (0)
  99
 100 #else   /* CONFIG_VSERVER_WARN */
 101
 102 #define vxwprintk(x...) do { } while (0)
 103
 104 #endif  /* CONFIG_VSERVER_WARN */
 105
 106
 107 #ifdef  CONFIG_VSERVER_DEBUG
 108 #define vxd_assert_lock(l)      assert_spin_locked(l)
 109 #define vxd_assert(c,f,x...)    vxlprintk(!(c), \
 110         "assertion [" f "] failed.", ##x, __FILE__, __LINE__)
 111 #else
 112 #define vxd_assert_lock(l)      do { } while (0)
 113 #define vxd_assert(c,f,x...)    do { } while (0)
 114 #endif
 115
 116
 117 #endif /* _VX_DEBUG_H */