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| author |   Sebastian Ott <sebott@linux.vnet.ibm.com> | 2016-06-17 19:45:23 +0200 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2017-01-16 07:27:52 +0100 |
| commit | e2e0de9b579d4772c2b86e6c9517723ad1e2b22a (patch) | |
| tree | c33b0c30c4adcc7f4548ab9ecf68a61684b9cbd9 /drivers/s390/cio/chsc.h | |
| parent | s390/cio: clarify cssid usage (diff) | |
| download | linux-dev-e2e0de9b579d4772c2b86e6c9517723ad1e2b22a.tar.xz linux-dev-e2e0de9b579d4772c2b86e6c9517723ad1e2b22a.zip | |
s390/cio: use cssid for pgid generation
Obtain the real channel subsystem id and use that for the generation
of a unique path group id. Note that this change does not affect the
channel subsystem id as used in the user-visible naming of subchannels
and friends.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Reviewed-by: Dong Jia Shi <bjsdjshik@linux.vnet.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/chsc.h')
| -rw-r--r-- | drivers/s390/cio/chsc.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h index 67c87b6e63ec..321a3f765810 100644 --- a/drivers/s390/cio/chsc.h +++ b/drivers/s390/cio/chsc.h @@ -242,6 +242,8 @@ int chsc_pnso_brinfo(struct subchannel_id schid, struct chsc_brinfo_resume_token resume_token, int cnc); +int __init chsc_get_cssid(int idx); + #ifdef CONFIG_SCM_BUS int scm_update_information(void); int scm_process_availability_information(void); |