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| author | Stefan Haberland <stefan.haberland@de.ibm.com> | 2011-01-05 12:48:06 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2011-01-05 12:47:30 +0100 |
| commit | e4dbb0f2b5dd6a836d0e5c60aa5f573e0bbcf76a (patch) | |
| tree | cb18d0b08f2ccc8d6a078456b77f111805777db8 /drivers/s390/block/dasd_eckd.h | |
| parent | 6f272b9cec285a9610a2acf101f694bc58bed37e (diff) | |
| download | op-kernel-dev-e4dbb0f2b5dd6a836d0e5c60aa5f573e0bbcf76a.zip op-kernel-dev-e4dbb0f2b5dd6a836d0e5c60aa5f573e0bbcf76a.tar.gz | |
[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>
Diffstat (limited to 'drivers/s390/block/dasd_eckd.h')
| -rw-r--r-- | drivers/s390/block/dasd_eckd.h | 2 |
1 files changed, 2 insertions, 0 deletions
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 |
