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Diffstat (limited to 'drivers/s390/cio/css.h')
-rw-r--r--drivers/s390/cio/css.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index b6375861cb3..74a257b2338 100644
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -1,6 +1,7 @@
#ifndef _CSS_H
#define _CSS_H
+#include <linux/mutex.h>
#include <linux/wait.h>
#include <linux/workqueue.h>
@@ -150,6 +151,11 @@ struct channel_subsystem {
struct channel_path *chps[__MAX_CHPID + 1];
struct device device;
struct pgid global_pgid;
+ struct mutex mutex;
+ /* channel measurement related */
+ int cm_enabled;
+ void *cub_addr1;
+ void *cub_addr2;
};
#define to_css(dev) container_of(dev, struct channel_subsystem, device)