[S390] cio: introduce fcx enabled scsw format

Extend the scsw data structure to the format required by fcx. Also
provide helper functions for easier access to fields which are present
in both the traditional as well as the modified format.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

1 files changed, 6 insertions, 6 deletions

diff --git a/drivers/s390/char/tape_34xx.c b/drivers/s390/char/tape_34xx.c
index 874adf365e46..22ca34361ed7 100644
--- a/drivers/s390/char/tape_34xx.c
+++ b/drivers/s390/char/tape_34xx.c
@@ -196,7 +196,7 @@ tape_34xx_erp_retry(struct tape_request *request)
 static int
 tape_34xx_unsolicited_irq(struct tape_device *device, struct irb *irb)
 {
-        if (irb->scsw.dstat == 0x85 /* READY */) {
+        if (irb->scsw.cmd.dstat == 0x85) { /* READY */
                 /* A medium was inserted in the drive. */
                 DBF_EVENT(6, "xuud med\n");
                 tape_34xx_delete_sbid_from(device, 0);
@@ -844,22 +844,22 @@ tape_34xx_irq(struct tape_device *device, struct tape_request *request,
         if (request == NULL)
                 return tape_34xx_unsolicited_irq(device, irb);
 
-        if ((irb->scsw.dstat & DEV_STAT_UNIT_EXCEP) &&
-            (irb->scsw.dstat & DEV_STAT_DEV_END) &&
+        if ((irb->scsw.cmd.dstat & DEV_STAT_UNIT_EXCEP) &&
+            (irb->scsw.cmd.dstat & DEV_STAT_DEV_END) &&
             (request->op == TO_WRI)) {
                 /* Write at end of volume */
                 PRINT_INFO("End of volume\n"); /* XXX */
                 return tape_34xx_erp_failed(request, -ENOSPC);
         }
 
-        if (irb->scsw.dstat & DEV_STAT_UNIT_CHECK)
+        if (irb->scsw.cmd.dstat & DEV_STAT_UNIT_CHECK)
                 return tape_34xx_unit_check(device, request, irb);
 
-        if (irb->scsw.dstat & DEV_STAT_DEV_END) {
+        if (irb->scsw.cmd.dstat & DEV_STAT_DEV_END) {
                 /*
                  * A unit exception occurs on skipping over a tapemark block.
                  */
-                if (irb->scsw.dstat & DEV_STAT_UNIT_EXCEP) {
+                if (irb->scsw.cmd.dstat & DEV_STAT_UNIT_EXCEP) {
                         if (request->op == TO_BSB || request->op == TO_FSB)
                                 request->rescnt++;
                         else