linux/arch/powerpc/include/asm/pSeries_reconfig.h
Akinobu Mita 3aef19f0a1 powerpc/pseries: Introduce pSeries_reconfig_notify()
This introduces pSeries_reconfig_notify() as a just wrapper of
blocking_notifier_call_chain() for pSeries_reconfig_chain.

This is a preparation to improvement of error code on reconfiguration
notifier failure.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2011-06-29 17:48:22 +10:00

36 lines
1.1 KiB
C

#ifndef _PPC64_PSERIES_RECONFIG_H
#define _PPC64_PSERIES_RECONFIG_H
#ifdef __KERNEL__
#include <linux/notifier.h>
/*
* Use this API if your code needs to know about OF device nodes being
* added or removed on pSeries systems.
*/
#define PSERIES_RECONFIG_ADD 0x0001
#define PSERIES_RECONFIG_REMOVE 0x0002
#define PSERIES_DRCONF_MEM_ADD 0x0003
#define PSERIES_DRCONF_MEM_REMOVE 0x0004
#ifdef CONFIG_PPC_PSERIES
extern int pSeries_reconfig_notifier_register(struct notifier_block *);
extern void pSeries_reconfig_notifier_unregister(struct notifier_block *);
extern int pSeries_reconfig_notify(unsigned long action, void *p);
/* Not the best place to put this, will be fixed when we move some
* of the rtas suspend-me stuff to pseries */
extern void pSeries_coalesce_init(void);
#else /* !CONFIG_PPC_PSERIES */
static inline int pSeries_reconfig_notifier_register(struct notifier_block *nb)
{
return 0;
}
static inline void pSeries_reconfig_notifier_unregister(struct notifier_block *nb) { }
static inline void pSeries_coalesce_init(void) { }
#endif /* CONFIG_PPC_PSERIES */
#endif /* __KERNEL__ */
#endif /* _PPC64_PSERIES_RECONFIG_H */