diff options
| author | Peter Oberparleiter <peter.oberparleiter@de.ibm.com> | 2009-12-07 12:51:25 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2009-12-07 12:51:31 +0100 |
| commit | e1f0fbd655539b0093738f58d57db83a0ac2dd6c (patch) | |
| tree | 2f0d37096b2cd563e113fd0b1a378bc8387ba8a9 /drivers/s390/cio/device.h | |
| parent | [S390] cio: dont panic in non-fatal conditions (diff) | |
| download | linux-e1f0fbd655539b0093738f58d57db83a0ac2dd6c.tar.xz linux-e1f0fbd655539b0093738f58d57db83a0ac2dd6c.zip | |
[S390] cio: consistent infrastructure for internal I/O requests
Reduce code duplication by introducing a central infrastructure to
perform an internal I/O operation on a CCW device.
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 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h index 78662e05d317..f3c8a2a8c3a4 100644 --- a/drivers/s390/cio/device.h +++ b/drivers/s390/cio/device.h @@ -98,6 +98,14 @@ void ccw_device_accumulate_basic_sense(struct ccw_device *, struct irb *); int ccw_device_accumulate_and_sense(struct ccw_device *, struct irb *); int ccw_device_do_sense(struct ccw_device *, struct irb *); +/* Function prototype for internal request handling. */ +int lpm_adjust(int lpm, int mask); +void ccw_request_start(struct ccw_device *); +int ccw_request_cancel(struct ccw_device *cdev); +void ccw_request_handler(struct ccw_device *cdev); +void ccw_request_timeout(struct ccw_device *cdev); +void ccw_request_notoper(struct ccw_device *cdev); + /* Function prototypes for sense id stuff. */ void ccw_device_sense_id_start(struct ccw_device *); void ccw_device_sense_id_irq(struct ccw_device *, enum dev_event); |