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
14 extern int crashing_cpu;
15
16 extern int is_fadump_memory_area(u64 addr, ulong size);
17 extern int setup_fadump(void);
18 extern int is_fadump_active(void);
19 extern int should_fadump_crash(void);
20 extern void crash_fadump(struct pt_regs *, const char *);
21 extern void fadump_cleanup(void);
22 extern void fadump_append_bootargs(void);
23
24 #else /* CONFIG_FA_DUMP */
25 static inline int is_fadump_active(void) { return 0; }
26 static inline int should_fadump_crash(void) { return 0; }
27 static inline void crash_fadump(struct pt_regs *regs, const char *str) { }
28 static inline void fadump_cleanup(void) { }
29 static inline void fadump_append_bootargs(void) { }
30 #endif /* !CONFIG_FA_DUMP */
31
32 #if defined(CONFIG_FA_DUMP) || defined(CONFIG_PRESERVE_FA_DUMP)
33 extern int early_init_dt_scan_fw_dump(unsigned long node, const char *uname,
34 int depth, void *data);
35 extern int fadump_reserve_mem(void);
36 #endif
37 #endif /* _ASM_POWERPC_FADUMP_H */
38
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