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authorCornelia Huck <cornelia.huck@de.ibm.com>2008-01-26 14:10:43 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2008-01-26 14:10:59 +0100
commitcd6b4f27b9bb2a6a5ec82b96b87c85421257be6c (patch)
treebf5ac3d351242de6438ab1453a7f1b007f24c29f /drivers/s390/cio/device_status.c
parentbc698bcf8897363732226dc9ecba044771679996 (diff)
[S390] cio: Introduce subchannel->private.
Introduce a private pointer in struct subchannel to store per-subchannel type data (cannot use dev->priv since this is already used for something else). Create a new header io_sch.h for I/O subchannel specific structures and instructions. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/device_status.c')
-rw-r--r--drivers/s390/cio/device_status.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/s390/cio/device_status.c b/drivers/s390/cio/device_status.c
index aa96e675259..ebe0848cfe3 100644
--- a/drivers/s390/cio/device_status.c
+++ b/drivers/s390/cio/device_status.c
@@ -20,6 +20,7 @@
#include "css.h"
#include "device.h"
#include "ioasm.h"
+#include "io_sch.h"
/*
* Check for any kind of channel or interface control check but don't
@@ -310,6 +311,7 @@ int
ccw_device_do_sense(struct ccw_device *cdev, struct irb *irb)
{
struct subchannel *sch;
+ struct ccw1 *sense_ccw;
sch = to_subchannel(cdev->dev.parent);
@@ -326,15 +328,16 @@ ccw_device_do_sense(struct ccw_device *cdev, struct irb *irb)
/*
* We have ending status but no sense information. Do a basic sense.
*/
- sch->sense_ccw.cmd_code = CCW_CMD_BASIC_SENSE;
- sch->sense_ccw.cda = (__u32) __pa(cdev->private->irb.ecw);
- sch->sense_ccw.count = SENSE_MAX_COUNT;
- sch->sense_ccw.flags = CCW_FLAG_SLI;
+ sense_ccw = &to_io_private(sch)->sense_ccw;
+ sense_ccw->cmd_code = CCW_CMD_BASIC_SENSE;
+ sense_ccw->cda = (__u32) __pa(cdev->private->irb.ecw);
+ sense_ccw->count = SENSE_MAX_COUNT;
+ sense_ccw->flags = CCW_FLAG_SLI;
/* Reset internal retry indication. */
cdev->private->flags.intretry = 0;
- return cio_start (sch, &sch->sense_ccw, 0xff);
+ return cio_start(sch, sense_ccw, 0xff);
}
/*