diff options
Diffstat (limited to 'arch/mips/include/asm/smp-cps.h')
| -rw-r--r-- | arch/mips/include/asm/smp-cps.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/mips/include/asm/smp-cps.h b/arch/mips/include/asm/smp-cps.h new file mode 100644 index 0000000000..22a572b70f --- /dev/null +++ b/arch/mips/include/asm/smp-cps.h @@ -0,0 +1,52 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2013 Imagination Technologies + * Author: Paul Burton <paul.burton@mips.com> + */ + +#ifndef __MIPS_ASM_SMP_CPS_H__ +#define __MIPS_ASM_SMP_CPS_H__ + +#define CPS_ENTRY_PATCH_INSNS 6 + +#ifndef __ASSEMBLY__ + +struct vpe_boot_config { + unsigned long pc; + unsigned long sp; + unsigned long gp; +}; + +struct core_boot_config { + atomic_t vpe_mask; + struct vpe_boot_config *vpe_config; +}; + +extern struct core_boot_config *mips_cps_core_bootcfg; + +extern void mips_cps_core_entry(void); +extern void mips_cps_core_init(void); + +extern void mips_cps_boot_vpes(struct core_boot_config *cfg, unsigned vpe); + +extern void mips_cps_pm_save(void); +extern void mips_cps_pm_restore(void); + +extern void *mips_cps_core_entry_patch_end; + +#ifdef CONFIG_MIPS_CPS + +extern bool mips_cps_smp_in_use(void); + +#else /* !CONFIG_MIPS_CPS */ + +static inline bool mips_cps_smp_in_use(void) { return false; } + +#endif /* !CONFIG_MIPS_CPS */ + +#else /* __ASSEMBLY__ */ + +.extern mips_cps_bootcfg; + +#endif /* __ASSEMBLY__ */ +#endif /* __MIPS_ASM_SMP_CPS_H__ */ |