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authorHorst Hummel <horst.hummel@de.ibm.com>2006-06-29 09:08:18 -0400
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2006-06-29 09:08:18 -0400
commit405455734e1cdec09c37233216f9240cb1a058e5 (patch)
tree36e88909f646b635117041b19a851031fc8ffb41 /include/asm-s390
parent8f27766a883149926e7c1f69d9f1d8f68efcd65f (diff)
[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.h8
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 {
68 * 0x00: default features 68 * 0x00: default features
69 * 0x01: readonly (ro) 69 * 0x01: readonly (ro)
70 * 0x02: use diag discipline (diag) 70 * 0x02: use diag discipline (diag)
71 * 0x04: set the device initially online (internal use only)
71 */ 72 */
72#define DASD_FEATURE_DEFAULT 0 73#define DASD_FEATURE_DEFAULT 0x00
73#define DASD_FEATURE_READONLY 1 74#define DASD_FEATURE_READONLY 0x01
74#define DASD_FEATURE_USEDIAG 2 75#define DASD_FEATURE_USEDIAG 0x02
76#define DASD_FEATURE_INITIAL_ONLINE 0x04
75 77
76#define DASD_PARTN_BITS 2 78#define DASD_PARTN_BITS 2
77 79