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s390x/css: add ORB to SubchDev

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Since we are going to need a migration compatibility breaking change to
activate ChannelSubSys migration let us use the opportunity to introduce
ORB to the SubchDev before that (otherwise we would need separate
handling e.g. a compat property).

The ORB will be useful for implementing IDA, or async handling of
subchannel work.

Signed-off-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Reviewed-by: Guenther Hutzl <hutzl@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Message-Id: <20170711145441.33925-5-pasic@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Halil Pasic
2017-07-14 12:29:48 +02:00
committed by Christian Borntraeger
parent 457af62603
commit ff443fe6b5
2 changed files with 36 additions and 0 deletions
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include/hw/s390x/css.h
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@@ -90,6 +90,7 @@ struct SubchDev {
bool thinint_active;
uint8_t ccw_no_data_cnt;
uint16_t migrated_schid; /* used for missmatch detection */
ORB orb;
/* transport-provided data: */
int (*ccw_cb) (SubchDev *, CCW1);
void (*disable_cb)(SubchDev *);