[linux-block.git] / arch / powerpc / include / asm / fadump.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Firmware Assisted dump header file.
 *
 * Copyright 2011 IBM Corporation
 * Author: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
 */

#ifndef _ASM_POWERPC_FADUMP_H
#define _ASM_POWERPC_FADUMP_H

#ifdef CONFIG_FA_DUMP

extern int crashing_cpu;

extern int is_fadump_memory_area(u64 addr, ulong size);
extern int setup_fadump(void);
extern int is_fadump_active(void);
extern int should_fadump_crash(void);
extern void crash_fadump(struct pt_regs *, const char *);
extern void fadump_cleanup(void);
void fadump_setup_param_area(void);
extern void fadump_append_bootargs(void);

#else	/* CONFIG_FA_DUMP */
static inline int is_fadump_active(void) { return 0; }
static inline int should_fadump_crash(void) { return 0; }
static inline void crash_fadump(struct pt_regs *regs, const char *str) { }
static inline void fadump_cleanup(void) { }
static inline void fadump_setup_param_area(void) { }
static inline void fadump_append_bootargs(void) { }
#endif /* !CONFIG_FA_DUMP */

#if defined(CONFIG_FA_DUMP) || defined(CONFIG_PRESERVE_FA_DUMP)
extern int early_init_dt_scan_fw_dump(unsigned long node, const char *uname,
				      int depth, void *data);
extern int fadump_reserve_mem(void);
#endif

#if defined(CONFIG_FA_DUMP) && defined(CONFIG_CMA)
void fadump_cma_init(void);
#else
static inline void fadump_cma_init(void) { }
#endif

#endif /* _ASM_POWERPC_FADUMP_H */
Commit	Line	Data
	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	void fadump_setup_param_area(void);
	23	extern void fadump_append_bootargs(void);
	24
	25	#else /* CONFIG_FA_DUMP */
	26	static inline int is_fadump_active(void) { return 0; }
	27	static inline int should_fadump_crash(void) { return 0; }
	28	static inline void crash_fadump(struct pt_regs regs, const char str) { }
	29	static inline void fadump_cleanup(void) { }
	30	static inline void fadump_setup_param_area(void) { }
	31	static inline void fadump_append_bootargs(void) { }
	32	#endif /* !CONFIG_FA_DUMP */
	33
	34	#if defined(CONFIG_FA_DUMP) \|\| defined(CONFIG_PRESERVE_FA_DUMP)
	35	extern int early_init_dt_scan_fw_dump(unsigned long node, const char *uname,
	36	int depth, void *data);
	37	extern int fadump_reserve_mem(void);
	38	#endif
	39
	40	#if defined(CONFIG_FA_DUMP) && defined(CONFIG_CMA)
	41	void fadump_cma_init(void);
	42	#else
	43	static inline void fadump_cma_init(void) { }
	44	#endif
	45
	46	#endif /* _ASM_POWERPC_FADUMP_H */