/*
 * Copyright (c) 2017 Red Hat Inc
 *
 * Authors:
 *  David Hildenbrand <david@redhat.com>
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Library General Public License version 2.
 */
#ifndef _ASMS390X_IRQ_H_
#define _ASMS390X_IRQ_H_
#include <asm/arch_def.h>

#define EXT_IRQ_EMERGENCY_SIG	0x1201
#define EXT_IRQ_EXTERNAL_CALL	0x1202
#define EXT_IRQ_SERVICE_SIG	0x2401

void register_pgm_cleanup_func(void (*f)(void));
void handle_pgm_int(void);
void handle_ext_int(void);
void handle_mcck_int(void);
void handle_io_int(void);
void handle_svc_int(void);
void expect_pgm_int(void);
void expect_ext_int(void);
uint16_t clear_pgm_int(void);
void check_pgm_int_code(uint16_t code);

/* Activate low-address protection */
static inline void low_prot_enable(void)
{
	ctl_set_bit(0, 63 - 35);
}

/* Disable low-address protection */
static inline void low_prot_disable(void)
{
	ctl_clear_bit(0, 63 - 35);
}

#endif