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

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Copyright (C) 2013 Imagination Technologies
   4  * Author: Paul Burton <paul.burton@mips.com>
   5  */
   6
   7 #ifndef __MIPS_ASM_SMP_CPS_H__
   8 #define __MIPS_ASM_SMP_CPS_H__
   9
  10 #ifndef __ASSEMBLY__
  11
  12 struct vpe_boot_config {
  13         unsigned long pc;
  14         unsigned long sp;
  15         unsigned long gp;
  16 };
  17
  18 struct core_boot_config {
  19         atomic_t vpe_mask;
  20         struct vpe_boot_config *vpe_config;
  21 };
  22
  23 extern struct core_boot_config *mips_cps_core_bootcfg;
  24
  25 extern void mips_cps_core_entry(void);
  26 extern void mips_cps_core_init(void);
  27
  28 extern void mips_cps_boot_vpes(struct core_boot_config *cfg, unsigned vpe);
  29
  30 extern void mips_cps_pm_save(void);
  31 extern void mips_cps_pm_restore(void);
  32
  33 #ifdef CONFIG_MIPS_CPS
  34
  35 extern bool mips_cps_smp_in_use(void);
  36
  37 #else /* !CONFIG_MIPS_CPS */
  38
  39 static inline bool mips_cps_smp_in_use(void) { return false; }
  40
  41 #endif /* !CONFIG_MIPS_CPS */
  42
  43 #else /* __ASSEMBLY__ */
  44
  45 .extern mips_cps_bootcfg;
  46
  47 #endif /* __ASSEMBLY__ */
  48 #endif /* __MIPS_ASM_SMP_CPS_H__ */