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[Qemu-devel] [PULL 07/33] s390x/css: use ccw data stream
From: |
Cornelia Huck |
Subject: |
[Qemu-devel] [PULL 07/33] s390x/css: use ccw data stream |
Date: |
Fri, 6 Oct 2017 11:59:30 +0200 |
From: Halil Pasic <address@hidden>
Replace direct access which implicitly assumes no IDA
or MIDA with the new ccw data stream interface which should
cope with these transparently in the future.
Note that checking the return code for ccw_dstream_* will be
done in a follow-on patch.
Signed-off-by: Halil Pasic <address@hidden>
Reviewed-by: Dong Jia Shi <address@hidden>
Reviewed-by: Pierre Morel <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Cornelia Huck <address@hidden>
---
hw/s390x/css.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/hw/s390x/css.c b/hw/s390x/css.c
index 248e9d47e5..390c78f7d0 100644
--- a/hw/s390x/css.c
+++ b/hw/s390x/css.c
@@ -894,6 +894,7 @@ static int css_interpret_ccw(SubchDev *sch, hwaddr ccw_addr,
}
/* Look at the command. */
+ ccw_dstream_init(&sch->cds, &ccw, &(sch->orb));
switch (ccw.cmd_code) {
case CCW_CMD_NOOP:
/* Nothing to do. */
@@ -907,8 +908,8 @@ static int css_interpret_ccw(SubchDev *sch, hwaddr ccw_addr,
}
}
len = MIN(ccw.count, sizeof(sch->sense_data));
- cpu_physical_memory_write(ccw.cda, sch->sense_data, len);
- sch->curr_status.scsw.count = ccw.count - len;
+ ccw_dstream_write_buf(&sch->cds, sch->sense_data, len);
+ sch->curr_status.scsw.count = ccw_dstream_residual_count(&sch->cds);
memset(sch->sense_data, 0, sizeof(sch->sense_data));
ret = 0;
break;
@@ -934,8 +935,8 @@ static int css_interpret_ccw(SubchDev *sch, hwaddr ccw_addr,
} else {
sense_id.reserved = 0;
}
- cpu_physical_memory_write(ccw.cda, &sense_id, len);
- sch->curr_status.scsw.count = ccw.count - len;
+ ccw_dstream_write_buf(&sch->cds, &sense_id, len);
+ sch->curr_status.scsw.count = ccw_dstream_residual_count(&sch->cds);
ret = 0;
break;
}
--
2.13.6
- [Qemu-devel] [PULL 00/33] next batch of s390x patches, Cornelia Huck, 2017/10/06
- [Qemu-devel] [PULL 02/33] s390x/tcg: move wrap_address() to internal.h, Cornelia Huck, 2017/10/06
- [Qemu-devel] [PULL 01/33] s390x/tcg: implement spm (SET PROGRAM MASK), Cornelia Huck, 2017/10/06
- [Qemu-devel] [PULL 03/33] s390x/tcg: add basic MSA features, Cornelia Huck, 2017/10/06
- [Qemu-devel] [PULL 06/33] s390x/css: introduce css data stream, Cornelia Huck, 2017/10/06
- [Qemu-devel] [PULL 04/33] s390x: use generic cpu_model parsing, Cornelia Huck, 2017/10/06
- [Qemu-devel] [PULL 05/33] s390x/kvm: fix and cleanup storing CPU status, Cornelia Huck, 2017/10/06
- [Qemu-devel] [PULL 07/33] s390x/css: use ccw data stream,
Cornelia Huck <=
- [Qemu-devel] [PULL 08/33] virtio-ccw: use ccw data stream, Cornelia Huck, 2017/10/06
- [Qemu-devel] [PULL 09/33] 390x/css: introduce maximum data address checking, Cornelia Huck, 2017/10/06
- [Qemu-devel] [PULL 11/33] s390x/tcg: fix checking for invalid memory check, Cornelia Huck, 2017/10/06
- [Qemu-devel] [PULL 10/33] s390x/css: support ccw IDA, Cornelia Huck, 2017/10/06
- [Qemu-devel] [PULL 14/33] s390x/tcg: make stora(g) use the new _real mmu, Cornelia Huck, 2017/10/06
- [Qemu-devel] [PULL 13/33] s390x/tcg: make lura(g) use the new _real mmu., Cornelia Huck, 2017/10/06
- [Qemu-devel] [PULL 15/33] s390x/tcg: make testblock use the new _real mmu, Cornelia Huck, 2017/10/06
- [Qemu-devel] [PULL 12/33] s390x/tcg: add MMU for real addresses, Cornelia Huck, 2017/10/06
- [Qemu-devel] [PULL 16/33] s390x/tcg: make idte/ipte use the new _real mmu, Cornelia Huck, 2017/10/06
- [Qemu-devel] [PULL 18/33] s390x/3270: IDA support for 3270 via CcwDataStream, Cornelia Huck, 2017/10/06