include/linux/resume-trace.h

   1 #ifndef RESUME_TRACE_H
   2 #define RESUME_TRACE_H
   3
   4 #ifdef CONFIG_PM_TRACE
   5
   6 extern int pm_trace_enabled;
   7
   8 struct device;
   9 extern void set_trace_device(struct device *);
  10 extern void generate_resume_trace(void *tracedata, unsigned int user);
  11
  12 #define TRACE_DEVICE(dev) set_trace_device(dev)
  13 #define TRACE_RESUME(user) do {                                 \
  14         if (pm_trace_enabled) {                                 \
  15                 void *tracedata;                                \
  16                 asm volatile("movl $1f,%0\n"                    \
  17                         ".section .tracedata,\"a\"\n"           \
  18                         "1:\t.word %c1\n"                       \
  19                         "\t.long %c2\n"                         \
  20                         ".previous"                             \
  21                         :"=r" (tracedata)                       \
  22                         : "i" (__LINE__), "i" (__FILE__));      \
  23                 generate_resume_trace(tracedata, user);         \
  24         }                                                       \
  25 } while (0)
  26
  27 #else
  28
  29 #define TRACE_DEVICE(dev) do { } while (0)
  30 #define TRACE_RESUME(dev) do { } while (0)
  31
  32 #endif
  33
  34 #endif