/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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*
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* (C) COPYRIGHT 2021-2022 ARM Limited. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the
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* GNU General Public License version 2 as published by the Free Software
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* Foundation, and any use by you of this program is subject to the terms
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* of such GNU license.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you can access it online at
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* http://www.gnu.org/licenses/gpl-2.0.html.
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*
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*/
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#ifndef _KBASE_CSF_FIRMWARE_CORE_DUMP_H_
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#define _KBASE_CSF_FIRMWARE_CORE_DUMP_H_
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struct kbase_device;
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/** Offset of the last field of core dump entry from the image header */
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#define CORE_DUMP_ENTRY_START_ADDR_OFFSET (0x4)
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/**
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* kbase_csf_firmware_core_dump_entry_parse() - Parse a "core dump" entry from
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* the image header.
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*
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* @kbdev: Instance of a GPU platform device that implements a CSF interface.
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* @entry: Pointer to section.
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*
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* Read a "core dump" entry from the image header, check the version for
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* compatibility and store the address pointer.
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*
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* Return: 0 if successfully parse entry, negative error code otherwise.
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*/
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int kbase_csf_firmware_core_dump_entry_parse(struct kbase_device *kbdev, const u32 *entry);
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/**
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* kbase_csf_firmware_core_dump_init() - Initialize firmware core dump support
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*
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* @kbdev: Instance of a GPU platform device that implements a CSF interface.
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* Must be zero-initialized.
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*
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* Creates the fw_core_dump debugfs file through which to request a firmware
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* core dump. The created debugfs file is cleaned up as part of kbdev debugfs
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* cleanup.
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*
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* The fw_core_dump debugs file that case be used in the following way:
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*
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* To explicitly request core dump:
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* echo 1 >/sys/kernel/debug/mali0/fw_core_dump
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*
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* To output current core dump (after explicitly requesting a core dump, or
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* kernel driver reported an internal firmware error):
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* cat /sys/kernel/debug/mali0/fw_core_dump
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*/
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void kbase_csf_firmware_core_dump_init(struct kbase_device *const kbdev);
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#endif /* _KBASE_CSF_FIRMWARE_CORE_DUMP_H_ */
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