| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 | |
| 23 | #else /* CONFIG_FA_DUMP */ |
| 24 | static inline int is_fadump_active(void) { return 0; } |
| 25 | static inline int should_fadump_crash(void) { return 0; } |
| 26 | static inline void crash_fadump(struct pt_regs *regs, const char *str) { } |
| 27 | static inline void fadump_cleanup(void) { } |
| 28 | #endif /* !CONFIG_FA_DUMP */ |
| 29 | |
| 30 | #if defined(CONFIG_FA_DUMP) || defined(CONFIG_PRESERVE_FA_DUMP) |
| 31 | extern int early_init_dt_scan_fw_dump(unsigned long node, const char *uname, |
| 32 | int depth, void *data); |
| 33 | extern int fadump_reserve_mem(void); |
| 34 | #endif |
| 35 | #endif /* _ASM_POWERPC_FADUMP_H */ |