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-rw-r--r--hw/char/terminal3270.c18
-rw-r--r--hw/s390x/3270-ccw.c4
-rw-r--r--include/hw/s390x/3270-ccw.h5
3 files changed, 15 insertions, 12 deletions
diff --git a/hw/char/terminal3270.c b/hw/char/terminal3270.c
index 28f599111d..c976a63cc2 100644
--- a/hw/char/terminal3270.c
+++ b/hw/char/terminal3270.c
@@ -182,14 +182,18 @@ static void terminal_init(EmulatedCcw3270Device *dev, Error **errp)
terminal_read, chr_event, NULL, t, NULL, true);
}
-static int read_payload_3270(EmulatedCcw3270Device *dev, uint32_t cda,
- uint16_t count)
+static inline CcwDataStream *get_cds(Terminal3270 *t)
+{
+ return &(CCW_DEVICE(&t->cdev)->sch->cds);
+}
+
+static int read_payload_3270(EmulatedCcw3270Device *dev)
{
Terminal3270 *t = TERMINAL_3270(dev);
int len;
- len = MIN(count, t->in_len);
- cpu_physical_memory_write(cda, t->inv, len);
+ len = MIN(ccw_dstream_avail(get_cds(t)), t->in_len);
+ ccw_dstream_write_buf(get_cds(t), t->inv, len);
t->in_len -= len;
return len;
@@ -222,11 +226,11 @@ static int insert_IAC_escape_char(uint8_t *outv, int out_len)
* Write 3270 outbound to socket.
* Return the count of 3270 data field if succeeded, zero if failed.
*/
-static int write_payload_3270(EmulatedCcw3270Device *dev, uint8_t cmd,
- uint32_t cda, uint16_t count)
+static int write_payload_3270(EmulatedCcw3270Device *dev, uint8_t cmd)
{
Terminal3270 *t = TERMINAL_3270(dev);
int retval = 0;
+ int count = ccw_dstream_avail(get_cds(t));
assert(count <= (OUTPUT_BUFFER_SIZE - 3) / 2);
@@ -244,7 +248,7 @@ static int write_payload_3270(EmulatedCcw3270Device *dev, uint8_t cmd,
return count;
}
t->outv[0] = cmd;
- cpu_physical_memory_read(cda, &t->outv[1], count);
+ ccw_dstream_read_buf(get_cds(t), &t->outv[1], count);
t->out_len = count + 1;
t->out_len = insert_IAC_escape_char(t->outv, t->out_len);
diff --git a/hw/s390x/3270-ccw.c b/hw/s390x/3270-ccw.c
index 1554aa2484..eaca28e224 100644
--- a/hw/s390x/3270-ccw.c
+++ b/hw/s390x/3270-ccw.c
@@ -28,7 +28,7 @@ static int handle_payload_3270_read(EmulatedCcw3270Device *dev, CCW1 *ccw)
return -EFAULT;
}
- len = ck->read_payload_3270(dev, ccw->cda, ccw->count);
+ len = ck->read_payload_3270(dev);
ccw_dev->sch->curr_status.scsw.count = ccw->count - len;
return 0;
@@ -45,7 +45,7 @@ static int handle_payload_3270_write(EmulatedCcw3270Device *dev, CCW1 *ccw)
return -EFAULT;
}
- len = ck->write_payload_3270(dev, ccw->cmd_code, ccw->cda, ccw->count);
+ len = ck->write_payload_3270(dev, ccw->cmd_code);
if (len <= 0) {
return -EIO;
diff --git a/include/hw/s390x/3270-ccw.h b/include/hw/s390x/3270-ccw.h
index 46bee2533c..9d1d18e2bd 100644
--- a/include/hw/s390x/3270-ccw.h
+++ b/include/hw/s390x/3270-ccw.h
@@ -45,9 +45,8 @@ typedef struct EmulatedCcw3270Class {
CCWDeviceClass parent_class;
void (*init)(EmulatedCcw3270Device *, Error **);
- int (*read_payload_3270)(EmulatedCcw3270Device *, uint32_t, uint16_t);
- int (*write_payload_3270)(EmulatedCcw3270Device *, uint8_t, uint32_t,
- uint16_t);
+ int (*read_payload_3270)(EmulatedCcw3270Device *);
+ int (*write_payload_3270)(EmulatedCcw3270Device *, uint8_t);
} EmulatedCcw3270Class;
#endif