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| author | Peter Oberparleiter <peter.oberparleiter@de.ibm.com> | 2009-12-07 12:51:32 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2009-12-07 12:51:32 +0100 |
| commit | d7d12ef2befac4fed0dccaddff11338b654804df (patch) | |
| tree | 1563b299e609024844affbc3ebba99c0718db238 /drivers/s390/cio/device.h | |
| parent | [S390] cio: use sense-pgid operation for path verification (diff) | |
| download | linux-d7d12ef2befac4fed0dccaddff11338b654804df.tar.xz linux-d7d12ef2befac4fed0dccaddff11338b654804df.zip | |
[S390] cio: make steal lock procedure more robust
An Unconditional Reserve + Release operation (steal lock) for a
boxed device may fail when encountering special error cases
(e.g. unit checks or path errors). Fix this by using the more
robust ccw_request infrastructure for performing the steal lock
CCW program.
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/device.h')
| -rw-r--r-- | drivers/s390/cio/device.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h index 2df519bb877e..bcfe13e42638 100644 --- a/drivers/s390/cio/device.h +++ b/drivers/s390/cio/device.h @@ -28,6 +28,7 @@ enum dev_state { DEV_STATE_DISCONNECTED_SENSE_ID, DEV_STATE_CMFCHANGE, DEV_STATE_CMFUPDATE, + DEV_STATE_STEAL_LOCK, /* last element! */ NR_DEV_STATES }; @@ -116,6 +117,9 @@ void ccw_device_verify_done(struct ccw_device *, int); void ccw_device_disband_start(struct ccw_device *); void ccw_device_disband_done(struct ccw_device *, int); +void ccw_device_stlck_start(struct ccw_device *, void *, void *, void *); +void ccw_device_stlck_done(struct ccw_device *, void *, int); + int ccw_device_call_handler(struct ccw_device *); int ccw_device_stlck(struct ccw_device *); |