arch/mips/include/asm/smp-cps.h

   1 /*
   2  * Copyright (C) 2013 Imagination Technologies
   3  * Author: Paul Burton <paul.burton@imgtec.com>
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by the
   7  * Free Software Foundation;  either version 2 of the  License, or (at your
   8  * option) any later version.
   9  */
  10
  11 #ifndef __MIPS_ASM_SMP_CPS_H__
  12 #define __MIPS_ASM_SMP_CPS_H__
  13
  14 #ifndef __ASSEMBLY__
  15
  16 struct vpe_boot_config {
  17         unsigned long pc;
  18         unsigned long sp;
  19         unsigned long gp;
  20 };
  21
  22 struct core_boot_config {
  23         atomic_t vpe_mask;
  24         struct vpe_boot_config *vpe_config;
  25 };
  26
  27 extern struct core_boot_config *mips_cps_core_bootcfg;
  28
  29 extern void mips_cps_core_entry(void);
  30 extern void mips_cps_core_init(void);
  31
  32 extern void mips_cps_boot_vpes(struct core_boot_config *cfg, unsigned vpe);
  33
  34 extern void mips_cps_pm_save(void);
  35 extern void mips_cps_pm_restore(void);
  36
  37 #ifdef CONFIG_MIPS_CPS
  38
  39 extern bool mips_cps_smp_in_use(void);
  40
  41 #else /* !CONFIG_MIPS_CPS */
  42
  43 static inline bool mips_cps_smp_in_use(void) { return false; }
  44
  45 #endif /* !CONFIG_MIPS_CPS */
  46
  47 #else /* __ASSEMBLY__ */
  48
  49 .extern mips_cps_bootcfg;
  50
  51 #endif /* __ASSEMBLY__ */
  52 #endif /* __MIPS_ASM_SMP_CPS_H__ */