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authorStefan Weinhuber <wein@de.ibm.com>2006-02-03 03:03:49 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-03 08:32:01 -0800
commit12c3a54848a6eba2b38cd92ba5925433d223332b (patch)
tree79f06b7bfc761610d38a2bd27774d691e45ca55f /include
parentd237bf49261ed812a17f7123fea9b80ef673ca0f (diff)
[PATCH] s390: dasd extended error reporting module
The DASD extended error reporting is a facility that allows to get detailed information about certain problems in the DASD I/O. This information can be used to implement fail-over applications that can recover these problems. Signed-off-by: Stefan Weinhuber <wein@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
-rw-r--r--include/asm-s390/dasd.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/include/asm-s390/dasd.h b/include/asm-s390/dasd.h
index 1630c26e8f45..c744ff33b1df 100644
--- a/include/asm-s390/dasd.h
+++ b/include/asm-s390/dasd.h
@@ -204,7 +204,8 @@ typedef struct attrib_data_t {
*
* Here ist how the ioctl-nr should be used:
* 0 - 31 DASD driver itself
- * 32 - 239 still open
+ * 32 - 229 still open
+ * 230 - 239 DASD extended error reporting
* 240 - 255 reserved for EMC
*******************************************************************************/
@@ -236,12 +237,22 @@ typedef struct attrib_data_t {
#define BIODASDPSRD _IOR(DASD_IOCTL_LETTER,4,dasd_rssd_perf_stats_t)
/* Get Attributes (cache operations) */
#define BIODASDGATTR _IOR(DASD_IOCTL_LETTER,5,attrib_data_t)
+/* retrieve extended error-reporting value */
+#define BIODASDEERGET _IOR(DASD_IOCTL_LETTER,6,int)
/* #define BIODASDFORMAT _IOW(IOCTL_LETTER,0,format_data_t) , deprecated */
#define BIODASDFMT _IOW(DASD_IOCTL_LETTER,1,format_data_t)
/* Set Attributes (cache operations) */
#define BIODASDSATTR _IOW(DASD_IOCTL_LETTER,2,attrib_data_t)
+/* retrieve extended error-reporting value */
+#define BIODASDEERSET _IOW(DASD_IOCTL_LETTER,3,int)
+
+
+/* remove all records from the eer buffer */
+#define DASD_EER_PURGE _IO(DASD_IOCTL_LETTER,230)
+/* set the number of pages that are used for the internal eer buffer */
+#define DASD_EER_SETBUFSIZE _IOW(DASD_IOCTL_LETTER,230,int)
#endif /* DASD_H */