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| author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2008-01-26 14:10:43 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-01-26 14:10:59 +0100 |
| commit | cd6b4f27b9bb2a6a5ec82b96b87c85421257be6c (patch) | |
| tree | bf5ac3d351242de6438ab1453a7f1b007f24c29f /drivers/s390/cio/device_status.c | |
| parent | [S390] cio: Cleanup debug feature usage. (diff) | |
| download | linux-cd6b4f27b9bb2a6a5ec82b96b87c85421257be6c.tar.xz linux-cd6b4f27b9bb2a6a5ec82b96b87c85421257be6c.zip | |
[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.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/s390/cio/device_status.c b/drivers/s390/cio/device_status.c index aa96e6752592..ebe0848cfe33 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); } /* |