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-rw-r--r--drivers/s390/cio/css.h13
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index ea55505542..c2b175592b 100644
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -35,6 +35,15 @@
#define SNID_STATE3_SINGLE_PATH 0
/*
+ * Miscellaneous constants
+ */
+
+#define CSS_NUM_CUB_PAGES 2
+#define CSS_CUES_PER_PAGE 128
+#define CSS_NUM_ECUB_PAGES 4
+#define CSS_ECUES_PER_PAGE 64
+
+/*
* Conditions used to specify which subchannels need evaluation
*/
enum css_eval_cond {
@@ -122,8 +131,8 @@ struct channel_subsystem {
struct mutex mutex;
/* channel measurement related */
int cm_enabled;
- void *cub_addr1;
- void *cub_addr2;
+ void *cub[CSS_NUM_CUB_PAGES];
+ void *ecub[CSS_NUM_ECUB_PAGES];
/* for orphaned ccw devices */
struct subchannel *pseudo_subchannel;
};