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| author | Alexandra Winter <wintera@linux.ibm.com> | 2020-09-10 19:23:45 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-09-15 22:21:46 +0200 |
| commit | b983aa1f7d19a83906fb7d38d337a87fe8d7745a (patch) | |
| tree | 9674d612e9706b76647e68942028727955b68901 /drivers/s390/cio/chsc.h | |
| parent | s390/cio: Add new Operation Code OC3 to PNSO (diff) | |
| download | linux-b983aa1f7d19a83906fb7d38d337a87fe8d7745a.tar.xz linux-b983aa1f7d19a83906fb7d38d337a87fe8d7745a.zip | |
s390/cio: Helper functions to read CSSID, IID, and CHID
Add helper functions to expose Channel Subsystem ID (CSSID), MIF Image Id
(IID), Channel ID (CHID) and Channel Path ID (CHPID).
These values are required by the qeth driver's exploitation of network-
address-change-notifications to determine which entries belong to this
interface.
Store the Partition identifier in System log, as this may be used to map
a Linux view to a Hardware view for debugging purpose.
Signed-off-by: Alexandra Winter <wintera@linux.ibm.com>
Reviewed-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/s390/cio/chsc.h')
| -rw-r--r-- | drivers/s390/cio/chsc.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h index 7416957ba9f4..c2b83b68bc57 100644 --- a/drivers/s390/cio/chsc.h +++ b/drivers/s390/cio/chsc.h @@ -208,7 +208,7 @@ int chsc_scm_info(struct chsc_scm_info *scm_area, u64 token); int chsc_pnso(struct subchannel_id schid, struct chsc_pnso_area *pnso_area, u8 oc, struct chsc_pnso_resume_token resume_token, int cnc); -int __init chsc_get_cssid(int idx); +int __init chsc_get_cssid_iid(int idx, u8 *cssid, u8 *iid); #ifdef CONFIG_SCM_BUS int scm_update_information(void); |