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authorMichael Holzheu <holzheu@de.ibm.com>2008-04-17 07:46:18 +0200
committerHeiko Carstens <heiko.carstens@de.ibm.com>2008-04-17 07:47:03 +0200
commit9637c3f318374e2fcc37e354f9782a705b517387 (patch)
treeb030280d2f0101e4cdbcf5bbd6518213eacd65aa /Documentation/s390
parent9f7819c1e51d5310d012426599a5f49d8678119d (diff)
[S390] Add debug_register_mode() function to debug feature API
The new function supports setting of permissions for the debugfs files created by the debug feature. In addition to that, the function provides uid and gid as parameters for future use. Currently only root is allowed for uid and gid. Signed-off-by: Michael Holzheu <holzheu@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'Documentation/s390')
-rw-r--r--Documentation/s390/s390dbf.txt21
1 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/s390/s390dbf.txt b/Documentation/s390/s390dbf.txt
index 0eb7c58916de..e05420973698 100644
--- a/Documentation/s390/s390dbf.txt
+++ b/Documentation/s390/s390dbf.txt
@@ -115,6 +115,27 @@ Return Value: Handle for generated debug area
Description: Allocates memory for a debug log
Must not be called within an interrupt handler
+----------------------------------------------------------------------------
+debug_info_t *debug_register_mode(char *name, int pages, int nr_areas,
+ int buf_size, mode_t mode, uid_t uid,
+ gid_t gid);
+
+Parameter: name: Name of debug log (e.g. used for debugfs entry)
+ pages: Number of pages, which will be allocated per area
+ nr_areas: Number of debug areas
+ buf_size: Size of data area in each debug entry
+ mode: File mode for debugfs files. E.g. S_IRWXUGO
+ uid: User ID for debugfs files. Currently only 0 is
+ supported.
+ gid: Group ID for debugfs files. Currently only 0 is
+ supported.
+
+Return Value: Handle for generated debug area
+ NULL if register failed
+
+Description: Allocates memory for a debug log
+ Must not be called within an interrupt handler
+
---------------------------------------------------------------------------
void debug_unregister (debug_info_t * id);

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