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| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2010-10-25 16:10:31 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2010-10-25 16:10:18 +0200 |
| commit | c38a90a34cfc880eb2f7234c511cdb7d8bdebc45 (patch) | |
| tree | cf10e8b31b59c3f4734fd8254468f4cc83efdcaf /drivers/s390/cio/chp.h | |
| parent | [S390] chsc: use the global page to determine the chp desriptor (diff) | |
| download | linux-c38a90a34cfc880eb2f7234c511cdb7d8bdebc45.tar.xz linux-c38a90a34cfc880eb2f7234c511cdb7d8bdebc45.zip | |
[S390] cio: update descriptor in chsc_chp_vary
Update the channel path descriptor at the beginning of to the
vary_on operation.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/chp.h')
| -rw-r--r-- | drivers/s390/cio/chp.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/s390/cio/chp.h b/drivers/s390/cio/chp.h index 695ec20f1c59..12b4903d6fe3 100644 --- a/drivers/s390/cio/chp.h +++ b/drivers/s390/cio/chp.h @@ -52,6 +52,12 @@ struct channel_path { void *cmg_chars; }; +/* Return channel_path struct for given chpid. */ +static inline struct channel_path *chpid_to_chp(struct chp_id chpid) +{ + return channel_subsystems[chpid.cssid]->chps[chpid.id]; +} + int chp_get_status(struct chp_id chpid); u8 chp_get_sch_opm(struct subchannel *sch); int chp_is_registered(struct chp_id chpid); |