[S390] dasd: Add support for raw ECKD access.
Normal I/O operations through the DASD device driver give only access
to the data fields of an ECKD device even for track based I/O.
This patch extends the DASD device driver to give access to whole
ECKD tracks including count, key and data fields.
Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/block/dasd_eckd.h b/drivers/s390/block/dasd_eckd.h
index 5051f37..4a688a8 100644
--- a/drivers/s390/block/dasd_eckd.h
+++ b/drivers/s390/block/dasd_eckd.h
@@ -37,11 +37,13 @@
#define DASD_ECKD_CCW_WRITE_KD_MT 0x8d
#define DASD_ECKD_CCW_READ_KD_MT 0x8e
#define DASD_ECKD_CCW_RELEASE 0x94
+#define DASD_ECKD_CCW_WRITE_FULL_TRACK 0x95
#define DASD_ECKD_CCW_READ_CKD_MT 0x9e
#define DASD_ECKD_CCW_WRITE_CKD_MT 0x9d
#define DASD_ECKD_CCW_WRITE_TRACK_DATA 0xA5
#define DASD_ECKD_CCW_READ_TRACK_DATA 0xA6
#define DASD_ECKD_CCW_RESERVE 0xB4
+#define DASD_ECKD_CCW_READ_TRACK 0xDE
#define DASD_ECKD_CCW_PFX 0xE7
#define DASD_ECKD_CCW_PFX_READ 0xEA
#define DASD_ECKD_CCW_RSCK 0xF9
