[S390] add PAV support to the dasd driver.
Add support for parallel-access-volumes to the dasd driver. This
allows concurrent access to dasd devices with multiple channel
programs.
Signed-off-by: Horst Hummel <horst.hummel@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/include/asm-s390/dasd.h b/include/asm-s390/dasd.h
index 1630c26..c042f95 100644
--- a/include/asm-s390/dasd.h
+++ b/include/asm-s390/dasd.h
@@ -68,10 +68,12 @@
* 0x00: default features
* 0x01: readonly (ro)
* 0x02: use diag discipline (diag)
+ * 0x04: set the device initially online (internal use only)
*/
-#define DASD_FEATURE_DEFAULT 0
-#define DASD_FEATURE_READONLY 1
-#define DASD_FEATURE_USEDIAG 2
+#define DASD_FEATURE_DEFAULT 0x00
+#define DASD_FEATURE_READONLY 0x01
+#define DASD_FEATURE_USEDIAG 0x02
+#define DASD_FEATURE_INITIAL_ONLINE 0x04
#define DASD_PARTN_BITS 2