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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
*
* (C) COPYRIGHT 2021-2022 ARM Limited. All rights reserved.
*
* This program is free software and is provided to you under the terms of the
* GNU General Public License version 2 as published by the Free Software
* Foundation, and any use by you of this program is subject to the terms
* of such GNU license.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you can access it online at
* http://www.gnu.org/licenses/gpl-2.0.html.
*
*/
#ifndef _KBASE_CSF_FIRMWARE_CORE_DUMP_H_
#define _KBASE_CSF_FIRMWARE_CORE_DUMP_H_
struct kbase_device;
/** Offset of the last field of core dump entry from the image header */
#define CORE_DUMP_ENTRY_START_ADDR_OFFSET (0x4)
/**
* kbase_csf_firmware_core_dump_entry_parse() - Parse a "core dump" entry from
* the image header.
*
* @kbdev: Instance of a GPU platform device that implements a CSF interface.
* @entry: Pointer to section.
*
* Read a "core dump" entry from the image header, check the version for
* compatibility and store the address pointer.
*
* Return: 0 if successfully parse entry, negative error code otherwise.
*/
int kbase_csf_firmware_core_dump_entry_parse(struct kbase_device *kbdev, const u32 *entry);
/**
* kbase_csf_firmware_core_dump_init() - Initialize firmware core dump support
*
* @kbdev: Instance of a GPU platform device that implements a CSF interface.
* Must be zero-initialized.
*
* Creates the fw_core_dump debugfs file through which to request a firmware
* core dump. The created debugfs file is cleaned up as part of kbdev debugfs
* cleanup.
*
* The fw_core_dump debugs file that case be used in the following way:
*
* To explicitly request core dump:
* echo 1 >/sys/kernel/debug/mali0/fw_core_dump
*
* To output current core dump (after explicitly requesting a core dump, or
* kernel driver reported an internal firmware error):
* cat /sys/kernel/debug/mali0/fw_core_dump
*/
void kbase_csf_firmware_core_dump_init(struct kbase_device *const kbdev);
#endif /* _KBASE_CSF_FIRMWARE_CORE_DUMP_H_ */
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