diff options
| author | Jing Liu <liujbjl@linux.vnet.ibm.com> | 2016-04-01 08:32:58 +0200 |
|---|---|---|
| committer | Cornelia Huck <cornelia.huck@de.ibm.com> | 2017-05-04 10:34:37 +0200 |
| commit | 2dc95b4cac5e8c68563c2e82ee9606896c54217c (patch) | |
| tree | c4f8fec7cb74ebefcf83add20a9d4ddb83374118 /hw/s390x/css.c | |
| parent | b8476205409ace2140d734c04ba4ea7f649692cf (diff) | |
s390x/3270: 3270 data stream handling
This introduces the input and output handlers for 3270 device, setting
up the data tunnel among guest kernel, qemu and the 3270 client.
After the client connected and TN3270 handshake done, signal the not-ready
to ready status by an unsolicited device-end interrupt, and then the 3270
data stream could be handled correctly between the channel and socket.
Multiple commands generated by "Reset" key on x3270 are not supported now,
just simply terminate the connection.
Signed-off-by: Jing Liu <liujbjl@linux.vnet.ibm.com>
Signed-off-by: Yang Chen <bjcyang@linux.vnet.ibm.com>
Reviewed-by: QingFeng Hao <haoqf@linux.vnet.ibm.com>
Reviewed-by: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'hw/s390x/css.c')
| -rw-r--r-- | hw/s390x/css.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/s390x/css.c b/hw/s390x/css.c index d94498a97b..15c4f4b249 100644 --- a/hw/s390x/css.c +++ b/hw/s390x/css.c @@ -576,6 +576,9 @@ static void sch_handle_start_func(SubchDev *sch, ORB *orb) s->dstat = SCSW_DSTAT_CHANNEL_END | SCSW_DSTAT_DEVICE_END; s->cpa = sch->channel_prog + 8; break; + case -EIO: + /* I/O errors, status depends on specific devices */ + break; case -ENOSYS: /* unsupported command, generate unit check (command reject) */ s->ctrl &= ~SCSW_ACTL_START_PEND; |