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| author |   Cornelia Huck <cornelia.huck@de.ibm.com> | 2012-05-30 16:03:22 +0200 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2012-11-23 11:14:28 +0100 |
| commit | 9368dac4367cd9a61ef75a745c6e26d0dd164172 (patch) | |
| tree | f44f86bc0579f86a2d6ccf4ae00fa05fc6b3a5cf /arch/s390 | |
| parent | s390/crypto: Don't panic after crypto instruction failures (diff) | |
| download | linux-dev-9368dac4367cd9a61ef75a745c6e26d0dd164172.tar.xz linux-dev-9368dac4367cd9a61ef75a745c6e26d0dd164172.zip | |
s390: Add a mechanism to get the subchannel id.
This will be needed by the new virtio-ccw transport.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/include/asm/ccwdev.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/s390/include/asm/ccwdev.h b/arch/s390/include/asm/ccwdev.h index 1cb4bb3f32d9..9ad79f7f1acc 100644 --- a/arch/s390/include/asm/ccwdev.h +++ b/arch/s390/include/asm/ccwdev.h @@ -18,6 +18,9 @@ struct irb; struct ccw1; struct ccw_dev_id; +/* from asm/schid.h */ +struct subchannel_id; + /* simplified initializers for struct ccw_device: * CCW_DEVICE and CCW_DEVICE_DEVTYPE initialize one * entry in your MODULE_DEVICE_TABLE and set the match_flag correctly */ @@ -226,5 +229,7 @@ int ccw_device_siosl(struct ccw_device *); // FIXME: these have to go extern int _ccw_device_get_subchannel_number(struct ccw_device *); +extern void ccw_device_get_schid(struct ccw_device *, struct subchannel_id *); + extern void *ccw_device_get_chp_desc(struct ccw_device *, int); #endif /* _S390_CCWDEV_H_ */ |