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s390x/css: Add passthrough IRB

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Wire in the subchannel callback for building the IRB
ESW and ECW space for passthrough devices, and copy
the hardware's ESW into the IRB we are building.

If the hardware presented concurrent sense, then copy
that sense data into the IRB's ECW space.

Signed-off-by: Eric Farman <farman@linux.ibm.com>
Message-Id: <20210617232537.1337506-5-farman@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
Eric Farman 2021-06-18 01:25:37 +02:00 • committed by Cornelia Huck
parent 0599a046ac
commit c626710fc7
4 changed files with 23 additions and 1 deletions
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hw/s390x/s390-ccw.c
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@ -124,6 +124,7 @@ static void s390_ccw_realize(S390CCWDevice *cdev, char *sysfsdev, Error **errp)
}
sch->driver_data = cdev;
sch->do_subchannel_work = do_subchannel_work_passthrough;
sch->irb_cb = build_irb_passthrough;
ccw_dev->sch = sch;
ret = css_sch_build_schib(sch, &cdev->hostid);