linux-sg2042/arch/powerpc/platforms/powernv/subcore.h

22 lines
650 B
C

/* 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__ */