66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/* Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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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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* UFS debugfs - add debugfs interface to the ufshcd.
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* This is currently used for statistics collection and exporting from the
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* UFS driver.
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* This infrastructure can be used for debugging or direct tweaking
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* of the driver from userspace.
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*
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*/
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#ifndef _UFS_DEBUGFS_H
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#define _UFS_DEBUGFS_H
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#include <linux/debugfs.h>
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#include "ufshcd.h"
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enum ufsdbg_err_inject_scenario {
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ERR_INJECT_INTR,
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ERR_INJECT_PWR_CHANGE,
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ERR_INJECT_UIC,
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ERR_INJECT_DME_ATTR,
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ERR_INJECT_QUERY,
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ERR_INJECT_MAX_ERR_SCENARIOS,
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};
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#ifdef CONFIG_DEBUG_FS
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void ufsdbg_add_debugfs(struct ufs_hba *hba);
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void ufsdbg_remove_debugfs(struct ufs_hba *hba);
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void ufsdbg_pr_buf_to_std(struct ufs_hba *hba, int offset, int num_regs,
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char *str, void *priv);
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#else
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static inline void ufsdbg_add_debugfs(struct ufs_hba *hba)
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{
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}
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static inline void ufsdbg_remove_debugfs(struct ufs_hba *hba)
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{
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}
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static inline void ufsdbg_pr_buf_to_std(struct ufs_hba *hba, int offset,
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int num_regs, char *str, void *priv)
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{
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}
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#endif
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#ifdef CONFIG_UFS_FAULT_INJECTION
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void ufsdbg_error_inject_dispatcher(struct ufs_hba *hba,
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enum ufsdbg_err_inject_scenario err_scenario,
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int success_value, int *ret_value);
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#else
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static inline void ufsdbg_error_inject_dispatcher(struct ufs_hba *hba,
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enum ufsdbg_err_inject_scenario err_scenario,
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int success_value, int *ret_value)
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{
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}
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#endif
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#endif /* End of Header */
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