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path: root/drivers/s390/cio/device.h
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Diffstat (limited to 'drivers/s390/cio/device.h')
-rw-r--r--drivers/s390/cio/device.h20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h
index 379de2d1ec4..8d1d2987317 100644
--- a/drivers/s390/cio/device.h
+++ b/drivers/s390/cio/device.h
@@ -2,9 +2,10 @@
#define S390_DEVICE_H
#include <asm/ccwdev.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <linux/wait.h>
#include <linux/notifier.h>
+#include <linux/kernel_stat.h>
#include "io_sch.h"
/*
@@ -56,7 +57,16 @@ extern fsm_func_t *dev_jumptable[NR_DEV_STATES][NR_DEV_EVENTS];
static inline void
dev_fsm_event(struct ccw_device *cdev, enum dev_event dev_event)
{
- dev_jumptable[cdev->private->state][dev_event](cdev, dev_event);
+ int state = cdev->private->state;
+
+ if (dev_event == DEV_EVENT_INTERRUPT) {
+ if (state == DEV_STATE_ONLINE)
+ inc_irq_stat(cdev->private->int_class);
+ else if (state != DEV_STATE_CMFCHANGE &&
+ state != DEV_STATE_CMFUPDATE)
+ inc_irq_stat(IRQIO_CIO);
+ }
+ dev_jumptable[state][dev_event](cdev, dev_event);
}
/*
@@ -71,8 +81,6 @@ dev_fsm_final_state(struct ccw_device *cdev)
cdev->private->state == DEV_STATE_BOXED);
}
-extern wait_queue_head_t ccw_device_init_wq;
-extern atomic_t ccw_device_init_count;
int __init io_subchannel_init(void);
void io_subchannel_recog_done(struct ccw_device *cdev);
@@ -90,6 +98,7 @@ int ccw_device_test_sense_data(struct ccw_device *);
void ccw_device_schedule_sch_unregister(struct ccw_device *);
int ccw_purge_blacklisted(void);
void ccw_device_sched_todo(struct ccw_device *cdev, enum cdev_todo todo);
+struct ccw_device *get_ccwdev_by_dev_id(struct ccw_dev_id *dev_id);
/* Function prototypes for device status and basic sense stuff. */
void ccw_device_accumulate_irb(struct ccw_device *, struct irb *);
@@ -130,10 +139,7 @@ int ccw_device_notify(struct ccw_device *, int);
void ccw_device_set_disconnected(struct ccw_device *cdev);
void ccw_device_set_notoper(struct ccw_device *cdev);
-/* qdio needs this. */
void ccw_device_set_timeout(struct ccw_device *, int);
-extern struct subchannel_id ccw_device_get_subchannel_id(struct ccw_device *);
-extern struct bus_type ccw_bus_type;
/* Channel measurement facility related */
void retry_set_schib(struct ccw_device *cdev);