qcom: soc: minidump: Add snapshot of minidump.h

/* SPDX-License-Identifier: GPL-2.0-only */

/*

 * Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.

 */

#ifndef __MINIDUMP_H

#define __MINIDUMP_H

#define MAX_NAME_LENGTH		12

/* md_region -  Minidump table entry

 * @name:	Entry name, Minidump will dump binary with this name.

 * @id:		Entry ID, used only for SDI dumps.

 * @virt_addr:  Address of the entry.

 * @phys_addr:	Physical address of the entry to dump.

 * @size:	Number of byte to dump from @address location

 *		it should be 4 byte aligned.

 */

struct md_region {

	char	name[MAX_NAME_LENGTH];

	u32	id;

	u64	virt_addr;

	u64	phys_addr;

	u64	size;

};

/* Register an entry in Minidump table

 * Returns:

 *	Zero: on successful addition

 *	Negetive error number on failures

 */

#if IS_ENABLED(CONFIG_QCOM_MINIDUMP)

extern int msm_minidump_add_region(const struct md_region *entry);

extern bool msm_minidump_enabled(void);

extern void dump_stack_minidump(u64 sp);

#else

static inline int msm_minidump_add_region(const struct md_region *entry)

{

	/* Return quietly, if minidump is not supported */

	return 0;

}

static inline bool msm_minidump_enabled(void) { return false; }

static inline void dump_stack_minidump(u64 sp) {}

#endif

#endif