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authorStefan Haberland <stefan.haberland@de.ibm.com>2008-04-17 07:46:08 +0200
committerHeiko Carstens <heiko.carstens@de.ibm.com>2008-04-17 07:47:00 +0200
commitf60c768c387026499bbdefdd807d9124ae2b3a8c (patch)
tree22b699f18196b6fbd799ddcf7e8d8d5a749782f0 /drivers/s390/block/dasd_3990_erp.c
parentc2e8b8531b162fb314434f1f2608ba1ddf46b98f (diff)
[S390] dasd: add sim handling.
Now the system reports system information messages (SIM) to the user. The System Reference Code (SRC) which is reported to the user gives the abbility to lookup the reason of the SIM online in the documentation of the storage server. Signed-off-by: Stefan Haberland <stefan.haberland@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 'drivers/s390/block/dasd_3990_erp.c')
-rw-r--r--drivers/s390/block/dasd_3990_erp.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c
index b19db20a0be..e6700df52df 100644
--- a/drivers/s390/block/dasd_3990_erp.c
+++ b/drivers/s390/block/dasd_3990_erp.c
@@ -1996,6 +1996,36 @@ dasd_3990_erp_compound(struct dasd_ccw_req * erp, char *sense)
} /* end dasd_3990_erp_compound */
/*
+ *DASD_3990_ERP_HANDLE_SIM
+ *
+ *DESCRIPTION
+ * inspects the SIM SENSE data and starts an appropriate action
+ *
+ * PARAMETER
+ * sense sense data of the actual error
+ *
+ * RETURN VALUES
+ * none
+ */
+void
+dasd_3990_erp_handle_sim(struct dasd_device *device, char *sense)
+{
+ /* print message according to log or message to operator mode */
+ if ((sense[24] & DASD_SIM_MSG_TO_OP) || (sense[1] & 0x10)) {
+
+ /* print SIM SRC from RefCode */
+ DEV_MESSAGE(KERN_ERR, device, "SIM - SRC: "
+ "%02x%02x%02x%02x", sense[22],
+ sense[23], sense[11], sense[12]);
+ } else if (sense[24] & DASD_SIM_LOG) {
+ /* print SIM SRC Refcode */
+ DEV_MESSAGE(KERN_WARNING, device, "SIM - SRC: "
+ "%02x%02x%02x%02x", sense[22],
+ sense[23], sense[11], sense[12]);
+ }
+}
+
+/*
* DASD_3990_ERP_INSPECT_32
*
* DESCRIPTION
@@ -2018,6 +2048,10 @@ dasd_3990_erp_inspect_32(struct dasd_ccw_req * erp, char *sense)
erp->function = dasd_3990_erp_inspect_32;
+ /* check for SIM sense data */
+ if ((sense[6] & DASD_SIM_SENSE) == DASD_SIM_SENSE)
+ dasd_3990_erp_handle_sim(device, sense);
+
if (sense[25] & DASD_SENSE_BIT_0) {
/* compound program action codes (byte25 bit 0 == '1') */