[PATCH] s390: multiple subchannel sets support

Add support for multiple subchannel sets.  Works with arbitrary devices in
subchannel set 1 and is transparent to device drivers.  Although currently
only two subchannel sets are available, this will work with the architectured
maximum number of subchannel sets as well.

Signed-off-by: Cornelia Huck <cohuck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 12 insertions, 10 deletions

diff --git a/drivers/s390/cio/device_id.c b/drivers/s390/cio/device_id.c
index 207881ec7aa..3c77c3fd461 100644
--- a/drivers/s390/cio/device_id.c
+++ b/drivers/s390/cio/device_id.c
@@ -256,16 +256,17 @@ ccw_device_check_sense_id(struct ccw_device *cdev)
                  *     sense id information. So, for intervention required,
                  *     we use the "whack it until it talks" strategy...
                  */
-                CIO_MSG_EVENT(2, "SenseID : device %04x on Subchannel %04x "
-                              "reports cmd reject\n",
-                              cdev->private->devno, sch->schid.sch_no);
+                CIO_MSG_EVENT(2, "SenseID : device %04x on Subchannel "
+                              "0.%x.%04x reports cmd reject\n",
+                              cdev->private->devno, sch->schid.ssid,
+                              sch->schid.sch_no);
                 return -EOPNOTSUPP;
         }
         if (irb->esw.esw0.erw.cons) {
-                CIO_MSG_EVENT(2, "SenseID : UC on dev %04x, "
+                CIO_MSG_EVENT(2, "SenseID : UC on dev 0.%x.%04x, "
                               "lpum %02X, cnt %02d, sns :"
                               " %02X%02X%02X%02X %02X%02X%02X%02X ...\n",
-                              cdev->private->devno,
+                              cdev->private->ssid, cdev->private->devno,
                               irb->esw.esw0.sublog.lpum,
                               irb->esw.esw0.erw.scnt,
                               irb->ecw[0], irb->ecw[1],
@@ -277,16 +278,17 @@ ccw_device_check_sense_id(struct ccw_device *cdev)
         if (irb->scsw.cc == 3) {
                 if ((sch->orb.lpm &
                      sch->schib.pmcw.pim & sch->schib.pmcw.pam) != 0)
-                        CIO_MSG_EVENT(2, "SenseID : path %02X for device %04x on"
-                                      " subchannel %04x is 'not operational'\n",
-                                      sch->orb.lpm, cdev->private->devno,
+                        CIO_MSG_EVENT(2, "SenseID : path %02X for device %04x "
+                                      "on subchannel 0.%x.%04x is "
+                                      "'not operational'\n", sch->orb.lpm,
+                                      cdev->private->devno, sch->schid.ssid,
                                       sch->schid.sch_no);
                 return -EACCES;
         }
         /* Hmm, whatever happened, try again. */
         CIO_MSG_EVENT(2, "SenseID : start_IO() for device %04x on "
-                      "subchannel %04x returns status %02X%02X\n",
-                      cdev->private->devno, sch->schid.sch_no,
+                      "subchannel 0.%x.%04x returns status %02X%02X\n",
+                      cdev->private->devno, sch->schid.ssid, sch->schid.sch_no,
                       irb->scsw.dstat, irb->scsw.cstat);
         return -EAGAIN;
 }