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| author | Horst Hummel <horst.hummel@de.ibm.com> | 2006-06-29 17:08:18 +0400 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2006-06-29 17:08:18 +0400 |
| commit | 405455734e1cdec09c37233216f9240cb1a058e5 (patch) | |
| tree | 36e88909f646b635117041b19a851031fc8ffb41 /include/asm-s390 | |
| parent | 8f27766a883149926e7c1f69d9f1d8f68efcd65f (diff) | |
| download | linux-405455734e1cdec09c37233216f9240cb1a058e5.tar.xz | |
[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>
Diffstat (limited to 'include/asm-s390')
| -rw-r--r-- | include/asm-s390/dasd.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/include/asm-s390/dasd.h b/include/asm-s390/dasd.h index 1630c26e8f45..c042f9578081 100644 --- a/include/asm-s390/dasd.h +++ b/include/asm-s390/dasd.h @@ -68,10 +68,12 @@ typedef struct dasd_information2_t { * 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 |