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authorCornelia Huck <cornelia.huck@de.ibm.com>2012-05-30 16:03:22 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2012-11-23 11:14:28 +0100
commit9368dac4367cd9a61ef75a745c6e26d0dd164172 (patch)
treef44f86bc0579f86a2d6ccf4ae00fa05fc6b3a5cf /arch/s390
parent36eb2caa7bace31b7868a57f77cb148e58d1c9f9 (diff)
downloadop-kernel-dev-9368dac4367cd9a61ef75a745c6e26d0dd164172.zip
op-kernel-dev-9368dac4367cd9a61ef75a745c6e26d0dd164172.tar.gz
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.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/s390/include/asm/ccwdev.h b/arch/s390/include/asm/ccwdev.h
index 1cb4bb3..9ad79f7 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_ */
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