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| author | Vineeth Vijayan <vneethv@linux.ibm.com> | 2021-02-04 09:03:00 +0300 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2021-03-22 13:36:04 +0300 |
| commit | 64a715ab4e91593465f62c8d9584dcc0279e5145 (patch) | |
| tree | d6c952864d2b1d02d77522a0e0b12bf43fa4682c /drivers/s390/cio/cio_debug.h | |
| parent | dee60c0dbc837ddca8abcb868e53ca3e9d11ea4c (diff) | |
| download | linux-64a715ab4e91593465f62c8d9584dcc0279e5145.tar.xz | |
s390/cio: introduce CIO debugfs directory
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>
Diffstat (limited to 'drivers/s390/cio/cio_debug.h')
| -rw-r--r-- | drivers/s390/cio/cio_debug.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/s390/cio/cio_debug.h b/drivers/s390/cio/cio_debug.h index 7bdbe73707c2..e6dcbd1be244 100644 --- a/drivers/s390/cio/cio_debug.h +++ b/drivers/s390/cio/cio_debug.h @@ -26,4 +26,7 @@ static inline void CIO_HEX_EVENT(int level, void *data, int length) debug_event(cio_debug_trace_id, level, data, length); } +/* For the CIO debugfs related features */ +extern struct dentry *cio_debugfs_dir; + #endif |