[Qemu-devel] [PATCH 2/5] s390x/css: use ccw data stream

[Halil Pasic <pasic@linux.vnet.ibm.com>]

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.

Signed-off-by: Halil Pasic <pasic@linux.vnet.ibm.com>
---
 hw/s390x/css.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/hw/s390x/css.c b/hw/s390x/css.c
index 87d913f81c..c1bc9944e6 100644
--- a/hw/s390x/css.c
+++ b/hw/s390x/css.c
@@ -890,6 +890,7 @@ 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. */
@@ -903,7 +904,7 @@ 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);
+        ccw_dstream_write_buf(&sch->cds, sch->sense_data, len);
         sch->curr_status.scsw.count = ccw.count - len;
         memset(sch->sense_data, 0, sizeof(sch->sense_data));
         ret = 0;
@@ -930,7 +931,7 @@ static int css_interpret_ccw(SubchDev *sch, hwaddr ccw_addr,
         } else {
             sense_id.reserved = 0;
         }
-        cpu_physical_memory_write(ccw.cda, &sense_id, len);
+        ccw_dstream_write_buf(&sch->cds, &sense_id, len);
         sch->curr_status.scsw.count = ccw.count - len;
         ret = 0;
         break;
-- 
2.13.5