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[S390] cio: Introduce subchannel->private.

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Introduce a private pointer in struct subchannel to store
per-subchannel type data (cannot use dev->priv since this
is already used for something else).

Create a new header io_sch.h for I/O subchannel specific structures
and instructions.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Cornelia Huck
2008-01-26 14:10:43 +01:00
committed by Martin Schwidefsky
parent bc698bcf88
commit cd6b4f27b9
12 changed files with 261 additions and 212 deletions
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9
drivers/s390/cio/device_id.c
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@@ -24,6 +24,7 @@
#include "css.h"
#include "device.h"
#include "ioasm.h"
#include "io_sch.h"
/*
* Input :
@@ -219,11 +220,13 @@ ccw_device_check_sense_id(struct ccw_device *cdev)
return -EAGAIN;
}
if (irb->scsw.cc == 3) {
if ((sch->orb.lpm &
sch->schib.pmcw.pim & sch->schib.pmcw.pam) != 0)
u8 lpm;
lpm = to_io_private(sch)->orb.lpm;
if ((lpm & sch->schib.pmcw.pim & sch->schib.pmcw.pam) != 0)
CIO_MSG_EVENT(2, "SenseID : path %02X for device %04x "
"on subchannel 0.%x.%04x is "
"'not operational'\n", sch->orb.lpm,
"'not operational'\n", lpm,
cdev->private->dev_id.devno,
sch->schid.ssid, sch->schid.sch_no);
return -EACCES;