void ccw_device_stlck_start(struct ccw_device *, void *, void *, void *);
void ccw_device_stlck_done(struct ccw_device *, void *, int);
-int ccw_device_call_handler(struct ccw_device *);
-
int ccw_device_stlck(struct ccw_device *);
/* Helper function for machine check handling. */
css_schedule_eval(sch->schid);
}
+/*
+ * Pass interrupt to device driver.
+ */
+static int ccw_device_call_handler(struct ccw_device *cdev)
+{
+ unsigned int stctl;
+ int ending_status;
+
+ /*
+ * we allow for the device action handler if .
+ * - we received ending status
+ * - the action handler requested to see all interrupts
+ * - we received an intermediate status
+ * - fast notification was requested (primary status)
+ * - unsolicited interrupts
+ */
+ stctl = scsw_stctl(&cdev->private->irb.scsw);
+ ending_status = (stctl & SCSW_STCTL_SEC_STATUS) ||
+ (stctl == (SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)) ||
+ (stctl == SCSW_STCTL_STATUS_PEND);
+ if (!ending_status &&
+ !cdev->private->options.repall &&
+ !(stctl & SCSW_STCTL_INTER_STATUS) &&
+ !(cdev->private->options.fast &&
+ (stctl & SCSW_STCTL_PRIM_STATUS)))
+ return 0;
+
+ if (ending_status)
+ ccw_device_set_timeout(cdev, 0);
+
+ if (cdev->handler)
+ cdev->handler(cdev, cdev->private->intparm,
+ &cdev->private->irb);
+
+ memset(&cdev->private->irb, 0, sizeof(struct irb));
+ return 1;
+}
+
/*
* Got an interrupt for a normal io (state online).
*/
return cio_resume(sch);
}
-/*
- * Pass interrupt to device driver.
- */
-int
-ccw_device_call_handler(struct ccw_device *cdev)
-{
- unsigned int stctl;
- int ending_status;
-
- /*
- * we allow for the device action handler if .
- * - we received ending status
- * - the action handler requested to see all interrupts
- * - we received an intermediate status
- * - fast notification was requested (primary status)
- * - unsolicited interrupts
- */
- stctl = scsw_stctl(&cdev->private->irb.scsw);
- ending_status = (stctl & SCSW_STCTL_SEC_STATUS) ||
- (stctl == (SCSW_STCTL_ALERT_STATUS | SCSW_STCTL_STATUS_PEND)) ||
- (stctl == SCSW_STCTL_STATUS_PEND);
- if (!ending_status &&
- !cdev->private->options.repall &&
- !(stctl & SCSW_STCTL_INTER_STATUS) &&
- !(cdev->private->options.fast &&
- (stctl & SCSW_STCTL_PRIM_STATUS)))
- return 0;
-
- /* Clear pending timers for device driver initiated I/O. */
- if (ending_status)
- ccw_device_set_timeout(cdev, 0);
- /*
- * Now we are ready to call the device driver interrupt handler.
- */
- if (cdev->handler)
- cdev->handler(cdev, cdev->private->intparm,
- &cdev->private->irb);
-
- /*
- * Clear the old and now useless interrupt response block.
- */
- memset(&cdev->private->irb, 0, sizeof(struct irb));
-
- return 1;
-}
-
/**
* ccw_device_get_ciw() - Search for CIW command in extended sense data.
* @cdev: ccw device to inspect