64a715ab4e
This patch introduces an s390 Common I/O layer debugfs directory that is intended to provide access to debugging-related CIO functions and data. The directory is created as /sys/kernel/debug/s390/cio Signed-off-by: Vineeth Vijayan <vneethv@linux.ibm.com> Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
33 lines
817 B
C
33 lines
817 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef CIO_DEBUG_H
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#define CIO_DEBUG_H
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#include <asm/debug.h>
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/* for use of debug feature */
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extern debug_info_t *cio_debug_msg_id;
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extern debug_info_t *cio_debug_trace_id;
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extern debug_info_t *cio_debug_crw_id;
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#define CIO_TRACE_EVENT(imp, txt) do { \
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debug_text_event(cio_debug_trace_id, imp, txt); \
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} while (0)
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#define CIO_MSG_EVENT(imp, args...) do { \
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debug_sprintf_event(cio_debug_msg_id, imp , ##args); \
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} while (0)
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#define CIO_CRW_EVENT(imp, args...) do { \
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debug_sprintf_event(cio_debug_crw_id, imp , ##args); \
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} while (0)
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static inline void CIO_HEX_EVENT(int level, void *data, int length)
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{
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debug_event(cio_debug_trace_id, level, data, length);
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}
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/* For the CIO debugfs related features */
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extern struct dentry *cio_debugfs_dir;
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#endif
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