android_kernel_oneplus_msm8998/include/soc/qcom/minidump.h
Lingutla Chandrasekhar af5a88a343 soc: qcom: dump current task stack and task_struct for minidump
Register the current stack and task_struct of all cpus to
the minidump table on panic.

Change-Id: I6906721f8c734dbf8142dc49e80dc730530f028c
Signed-off-by: Lingutla Chandrasekhar <clingutla@codeaurora.org>
2017-09-01 02:51:08 -07:00

54 lines
1.6 KiB
C

/* Copyright (c) 2017 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __MINIDUMP_H
#define __MINIDUMP_H
#define MAX_NAME_LENGTH 16
/* 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
*/
#ifdef CONFIG_QCOM_MINIDUMP
extern int msm_minidump_add_region(const struct md_region *entry);
/* Sets to true, if minidump table is initialized */
extern bool minidump_enabled;
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 void dump_stack_minidump(u64 sp) {}
#endif
#endif