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| author | Frank Pavlic <fpavlic@de.ibm.com> | 2006-02-20 18:28:12 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-02-20 20:00:12 -0800 |
| commit | 15c73691780252a5571bfa7902b4dc227ec66c84 (patch) | |
| tree | 2a2829292ca09b1774c3941ef8fdb2f5cf0f39c6 /drivers/s390/block/dasd_int.h | |
| parent | a1909e631caa3a02c25e493ac4004cd67984e0e0 (diff) | |
| download | op-kernel-dev-15c73691780252a5571bfa7902b4dc227ec66c84.zip op-kernel-dev-15c73691780252a5571bfa7902b4dc227ec66c84.tar.gz | |
[PATCH] s390: V=V qdio fixes
Using FCP devices with V=V support, the input queue stalled when CCQ 97 had
been returned in qdio_do_eqbs. When this happen we have to reissue the eqbs
instruction.
Another bug was when V=V was enabled we checked if hardware has SIGA-sync
support. If not we returned with 0 from tiqdio_is_inbound_q_done. Thus qdio
lost initiative on FCP devices and input queue stalled. Running devices in
V=V there is no SIGA-sync support but nevertheless we have to process
tiqdio_is_inbound_q_done either.
Signed-off-by: Frank Pavlic <fpavlic@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/s390/block/dasd_int.h')
0 files changed, 0 insertions, 0 deletions
