diff options
| author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2008-04-30 13:38:39 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-04-30 13:38:45 +0200 |
| commit | edf2209692769d3e461c0351553098bc017c2caf (patch) | |
| tree | 833d40fbff5e35a06fcd3c55736d20e4e82901f6 /drivers/s390/cio/cio.h | |
| parent | 47494f6a84cdae2740b62e1d86a1860df85d9bbb (diff) | |
[S390] cio: Make isc handling more robust.
Introduce an ->isc field in the subchannel to store the desired
interruption subclass, since sch->schib.pmcw.isc may be overwritten
by the hardware on stsch() after machine checks.
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/cio.h')
| -rw-r--r-- | drivers/s390/cio/cio.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h index 08f2235c5a6..3c75412904d 100644 --- a/drivers/s390/cio/cio.h +++ b/drivers/s390/cio/cio.h @@ -74,6 +74,7 @@ struct subchannel { __u8 lpm; /* logical path mask */ __u8 opm; /* operational path mask */ struct schib schib; /* subchannel information block */ + int isc; /* desired interruption subclass */ struct chsc_ssd_info ssd_info; /* subchannel description */ struct device dev; /* entry in device tree */ struct css_driver *driver; @@ -85,7 +86,7 @@ struct subchannel { #define to_subchannel(n) container_of(n, struct subchannel, dev) extern int cio_validate_subchannel (struct subchannel *, struct subchannel_id); -extern int cio_enable_subchannel(struct subchannel *, unsigned int, u32); +extern int cio_enable_subchannel(struct subchannel *, u32); extern int cio_disable_subchannel (struct subchannel *); extern int cio_cancel (struct subchannel *); extern int cio_clear (struct subchannel *); |