| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Copyright (c) 2017 Red Hat Inc |
| * |
| * Authors: |
| * David Hildenbrand <david@redhat.com> |
| */ |
| #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 |
