[S390] cio: fix subchannel channel-path data usage
Ensure that channel-path related subchannel data is only retrieved and
used when it is valid and that it is updated when it may have changed.
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h
index e62ab5c..7446c399 100644
--- a/drivers/s390/cio/cio.h
+++ b/drivers/s390/cio/cio.h
@@ -1,19 +1,11 @@
#ifndef S390_CIO_H
#define S390_CIO_H
-#include "schid.h"
#include <linux/mutex.h>
#include <linux/device.h>
-
-/*
- * where we put the ssd info
- */
-struct ssd_info {
- __u8 valid:1;
- __u8 type:7; /* subchannel type */
- __u8 chpid[8]; /* chpids */
- __u16 fla[8]; /* full link addresses */
-} __attribute__ ((packed));
+#include <asm/chpid.h>
+#include "chsc.h"
+#include "schid.h"
/*
* path management control word
@@ -109,7 +101,7 @@
struct schib schib; /* subchannel information block */
struct orb orb; /* operation request block */
struct ccw1 sense_ccw; /* static ccw for sense command */
- struct ssd_info ssd_info; /* subchannel description */
+ struct chsc_ssd_info ssd_info; /* subchannel description */
struct device dev; /* entry in device tree */
struct css_driver *driver;
} __attribute__ ((aligned(8)));