/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2009 Wind River Systems,
* written by Ralf Baechle <[email protected]>
*/
#ifndef __ASM_COP2_H
#define __ASM_COP2_H

#include <linux/notifier.h>

#if defined(CONFIG_CPU_CAVIUM_OCTEON)

extern void octeon_cop2_save(struct octeon_cop2_state *);
extern void octeon_cop2_restore(struct octeon_cop2_state *);

#define cop2_save(r) octeon_cop2_save(r)
#define cop2_restore(r) octeon_cop2_restore(r)

#define cop2_present 1
#define cop2_lazy_restore 1

#elif defined(CONFIG_CPU_XLP)

extern void nlm_cop2_save(struct nlm_cop2_state *);
extern void nlm_cop2_restore(struct nlm_cop2_state *);
#define cop2_save(r) nlm_cop2_save(r)
#define cop2_restore(r) nlm_cop2_restore(r)

#define cop2_present 1
#define cop2_lazy_restore 0

#else

#define cop2_present 0
#define cop2_lazy_restore 0
#define cop2_save(r)
#define cop2_restore(r)
#endif

enum cu2_ops {
CU2_EXCEPTION,
CU2_LWC2_OP,
CU2_LDC2_OP,
CU2_SWC2_OP,
CU2_SDC2_OP,
};

extern int register_cu2_notifier(struct notifier_block *nb);
extern int cu2_notifier_call_chain(unsigned long val, void *v);

#define cu2_notifier(fn, pri) \
({ \
static struct notifier_block fn##_nb = { \
.notifier_call = fn, \
.priority = pri \
}; \
\
register_cu2_notifier(&fn##_nb); \
})

#endif /* __ASM_COP2_H */