arch/powerpc/platforms/powernv/subcore.h

   1 /*
   2  * Copyright 2013, Michael Ellerman, IBM Corporation.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version
   7  * 2 of the License, or (at your option) any later version.
   8  */
   9
  10 /* These are ordered and tested with <= */
  11 #define SYNC_STEP_INITIAL       0
  12 #define SYNC_STEP_UNSPLIT       1       /* Set by secondary when it sees unsplit */
  13 #define SYNC_STEP_REAL_MODE     2       /* Set by secondary when in real mode  */
  14 #define SYNC_STEP_FINISHED      3       /* Set by secondary when split/unsplit is done */
  15
  16 #ifndef __ASSEMBLY__
  17
  18 #ifdef CONFIG_SMP
  19 void split_core_secondary_loop(u8 *state);
  20 extern void update_subcore_sibling_mask(void);
  21 #else
  22 static inline void update_subcore_sibling_mask(void) { };
  23 #endif /* CONFIG_SMP */
  24
  25 #endif /* __ASSEMBLY__ */