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authorCornelia Huck <cornelia.huck@de.ibm.com>2008-01-26 14:10:43 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2008-01-26 14:10:59 +0100
commitcd6b4f27b9bb2a6a5ec82b96b87c85421257be6c (patch)
treebf5ac3d351242de6438ab1453a7f1b007f24c29f /drivers/s390/cio/device_fsm.c
parentbc698bcf8897363732226dc9ecba044771679996 (diff)
downloadop-kernel-dev-cd6b4f27b9bb2a6a5ec82b96b87c85421257be6c.zip
op-kernel-dev-cd6b4f27b9bb2a6a5ec82b96b87c85421257be6c.tar.gz
[S390] cio: Introduce subchannel->private.
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>
Diffstat (limited to 'drivers/s390/cio/device_fsm.c')
-rw-r--r--drivers/s390/cio/device_fsm.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 8b6be21..44ce7a3 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -96,29 +96,32 @@ static void ccw_timeout_log(struct ccw_device *cdev)
{
struct schib schib;
struct subchannel *sch;
+ struct io_subchannel_private *private;
int cc;
sch = to_subchannel(cdev->dev.parent);
+ private = to_io_private(sch);
cc = stsch(sch->schid, &schib);
printk(KERN_WARNING "cio: ccw device timeout occurred at %llx, "
"device information:\n", get_clock());
printk(KERN_WARNING "cio: orb:\n");
print_hex_dump(KERN_WARNING, "cio: ", DUMP_PREFIX_NONE, 16, 1,
- &sch->orb, sizeof(sch->orb), 0);
+ &private->orb, sizeof(private->orb), 0);
printk(KERN_WARNING "cio: ccw device bus id: %s\n", cdev->dev.bus_id);
printk(KERN_WARNING "cio: subchannel bus id: %s\n", sch->dev.bus_id);
printk(KERN_WARNING "cio: subchannel lpm: %02x, opm: %02x, "
"vpm: %02x\n", sch->lpm, sch->opm, sch->vpm);
- if ((void *)(addr_t)sch->orb.cpa == &sch->sense_ccw ||
- (void *)(addr_t)sch->orb.cpa == cdev->private->iccws)
+ if ((void *)(addr_t)private->orb.cpa == &private->sense_ccw ||
+ (void *)(addr_t)private->orb.cpa == cdev->private->iccws)
printk(KERN_WARNING "cio: last channel program (intern):\n");
else
printk(KERN_WARNING "cio: last channel program:\n");
print_hex_dump(KERN_WARNING, "cio: ", DUMP_PREFIX_NONE, 16, 1,
- (void *)(addr_t)sch->orb.cpa, sizeof(struct ccw1), 0);
+ (void *)(addr_t)private->orb.cpa,
+ sizeof(struct ccw1), 0);
printk(KERN_WARNING "cio: ccw device state: %d\n",
cdev->private->state);
printk(KERN_WARNING "cio: store subchannel returned: cc=%d\n", cc);
@@ -1078,7 +1081,7 @@ device_trigger_reprobe(struct subchannel *sch)
sch->schib.pmcw.ena = 0;
if ((sch->lpm & (sch->lpm - 1)) != 0)
sch->schib.pmcw.mp = 1;
- sch->schib.pmcw.intparm = (__u32)(unsigned long)sch;
+ sch->schib.pmcw.intparm = (u32)(addr_t)sch;
/* We should also udate ssd info, but this has to wait. */
/* Check if this is another device which appeared on the same sch. */
if (sch->schib.pmcw.dev != cdev->private->dev_id.devno) {
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