652e1b559d
This is prep for enabling PSTORE as a module. Signed-off-by: Will McVicker <willmcvicker@google.com> Bug: 143889848 Bug: 143889751 Test: build Change-Id: If4a7caff97c3076c526d8fb844077626ae42daf0
40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
/* Copyright 2018 Google, Inc.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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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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#ifndef __BLDR_DEBUG_TOOLS_H__
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#define __BLDR_DEBUG_TOOLS_H__
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#include <linux/types.h>
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#if IS_ENABLED(CONFIG_BLDR_DEBUG_LOG)
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#define BOOT_DEBUG_MAGIC 0xAACCBBDD
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ssize_t bldr_log_read_once(char __user *userbuf, ssize_t klog_size);
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ssize_t bldr_last_log_read_once(char __user *userbuf, ssize_t klog_size);
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ssize_t bldr_log_read(const void *lastk_buf, ssize_t lastk_size,
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char __user *userbuf, size_t count, loff_t *ppos);
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ssize_t bldr_log_total_size(void);
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int bldr_log_init(void);
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void bldr_log_release(void);
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#else
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static inline ssize_t bldr_log_read_once(char __user *userbuf,
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ssize_t klog_size) { return 0; }
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static inline ssize_t bldr_last_log_read_once(char __user *userbuf,
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ssize_t klog_size) { return 0; }
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static inline ssize_t bldr_log_read(const void *lastk_buf, ssize_t lastk_size,
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char __user *userbuf, size_t count, loff_t *ppos) { return 0; }
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static inline ssize_t bldr_log_total_size(void) { return 0; }
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static inline int bldr_log_init(void) { return 0; }
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static inline void bldr_log_release(void) { return; }
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#endif
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#endif /* __BLDR_DEBUG_TOOLS_H__ */
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