50 lines
2 KiB
C
Executable file
50 lines
2 KiB
C
Executable file
// SPDX-License-Identifier: GPL-2.0
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/*
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* Samsung Specific feature : sysfs-nodes
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*
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* Copyright (C) 2021 Samsung Electronics Co., Ltd.
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*
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* Authors:
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* Storage Driver <storage.sec@samsung.com>
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*/
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#ifndef __UFS_SEC_SYSFS_H__
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#define __UFS_SEC_SYSFS_H__
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#include <linux/sec_class.h>
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#include <linux/sec_debug.h>
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#include "ufs-sec-feature.h"
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extern struct ufs_sec_err_info ufs_err_info;
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extern struct ufs_sec_err_info ufs_err_info_backup;
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#define SEC_UFS_ERR_INFO_BACKUP(err_count, member) ({ \
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ufs_err_info_backup.err_count.member += ufs_err_info.err_count.member; \
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ufs_err_info.err_count.member = 0; })
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#define SEC_UFS_ERR_INFO_GET_VALUE(err_count, member) \
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(ufs_err_info_backup.err_count.member + ufs_err_info.err_count.member)
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#define SEC_UFS_DATA_ATTR_RO(name, fmt, args...) \
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static ssize_t name##_show(struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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return sprintf(buf, fmt, args); \
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} \
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static DEVICE_ATTR_RO(name)
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/* store function has to be defined */
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#define SEC_UFS_DATA_ATTR_RW(name, fmt, args...) \
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static ssize_t name##_show(struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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return sprintf(buf, fmt, args); \
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} \
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static DEVICE_ATTR(name, 0664, name##_show, name##_store)
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#define SEC_UFS_ERR_COUNT_INC(count, max) ((count) += ((count) < (max)) ? 1 : 0)
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void ufs_sec_add_sysfs_nodes(struct ufs_hba *hba);
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void ufs_sec_remove_sysfs_nodes(struct ufs_hba *hba);
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#endif
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