diff options
Diffstat (limited to 'arch/powerpc/platforms/powernv/subcore.h')
| -rw-r--r-- | arch/powerpc/platforms/powernv/subcore.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/powernv/subcore.h b/arch/powerpc/platforms/powernv/subcore.h new file mode 100644 index 000000000..77feee843 --- /dev/null +++ b/arch/powerpc/platforms/powernv/subcore.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright 2013, Michael Ellerman, IBM Corporation. + */ + +/* These are ordered and tested with <= */ +#define SYNC_STEP_INITIAL 0 +#define SYNC_STEP_UNSPLIT 1 /* Set by secondary when it sees unsplit */ +#define SYNC_STEP_REAL_MODE 2 /* Set by secondary when in real mode */ +#define SYNC_STEP_FINISHED 3 /* Set by secondary when split/unsplit is done */ + +#ifndef __ASSEMBLY__ + +#ifdef CONFIG_SMP +void split_core_secondary_loop(u8 *state); +extern void update_subcore_sibling_mask(void); +#else +static inline void update_subcore_sibling_mask(void) { } +#endif /* CONFIG_SMP */ + +#endif /* __ASSEMBLY__ */ |