1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Firmware Assisted dump header file.
4 *
5 * Copyright 2011 IBM Corporation
6 * Author: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
7 */
8
9#ifndef _ASM_POWERPC_FADUMP_H
10#define _ASM_POWERPC_FADUMP_H
11
12#ifdef CONFIG_FA_DUMP
13
14extern int crashing_cpu;
15
16extern int is_fadump_memory_area(u64 addr, ulong size);
17extern int setup_fadump(void);
18extern int is_fadump_active(void);
19extern int should_fadump_crash(void);
20extern void crash_fadump(struct pt_regs *, const char *);
21extern void fadump_cleanup(void);
22
23#else	/* CONFIG_FA_DUMP */
24static inline int is_fadump_active(void) { return 0; }
25static inline int should_fadump_crash(void) { return 0; }
26static inline void crash_fadump(struct pt_regs *regs, const char *str) { }
27static inline void fadump_cleanup(void) { }
28#endif /* !CONFIG_FA_DUMP */
29
30#if defined(CONFIG_FA_DUMP) || defined(CONFIG_PRESERVE_FA_DUMP)
31extern int early_init_dt_scan_fw_dump(unsigned long node, const char *uname,
32				      int depth, void *data);
33extern int fadump_reserve_mem(void);
34#endif
35#endif /* _ASM_POWERPC_FADUMP_H */
36