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[S390] cio: introduce fcx enabled scsw format

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Extend the scsw data structure to the format required by fcx. Also
provide helper functions for easier access to fields which are present
in both the traditional as well as the modified format.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
This commit is contained in:
Peter Oberparleiter
2008-07-14 09:58:50 +02:00
committed by Heiko Carstens
parent 4f2bd92e3b
commit 23d805b647
31 changed files with 1254 additions and 288 deletions
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5
drivers/s390/char/vmur.c
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@ -277,7 +277,8 @@ static void ur_int_handler(struct ccw_device *cdev, unsigned long intparm,
struct urdev *urd;
TRACE("ur_int_handler: intparm=0x%lx cstat=%02x dstat=%02x res=%u\n",
intparm, irb->scsw.cstat, irb->scsw.dstat, irb->scsw.count);
intparm, irb->scsw.cmd.cstat, irb->scsw.cmd.dstat,
irb->scsw.cmd.count);
if (!intparm) {
TRACE("ur_int_handler: unsolicited interrupt\n");
@ -288,7 +289,7 @@ static void ur_int_handler(struct ccw_device *cdev, unsigned long intparm,
/* On special conditions irb is an error pointer */
if (IS_ERR(irb))
urd->io_request_rc = PTR_ERR(irb);
else if (irb->scsw.dstat == (DEV_STAT_CHN_END | DEV_STAT_DEV_END))
else if (irb->scsw.cmd.dstat == (DEV_STAT_CHN_END | DEV_STAT_DEV_END))
urd->io_request_rc = 0;
else
urd->io_request_rc = -EIO;