diff options
Diffstat (limited to 'hw/char/terminal3270.c')
| -rw-r--r-- | hw/char/terminal3270.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/hw/char/terminal3270.c b/hw/char/terminal3270.c index 55eed5622a..450608e3c3 100644 --- a/hw/char/terminal3270.c +++ b/hw/char/terminal3270.c @@ -117,6 +117,32 @@ static void terminal_read(void *opaque, const uint8_t *buf, int size) } } +static void chr_event(void *opaque, int event) +{ + Terminal3270 *t = opaque; + CcwDevice *ccw_dev = CCW_DEVICE(t); + SubchDev *sch = ccw_dev->sch; + + /* Ensure the initial status correct, always reset them. */ + t->in_len = 0; + t->out_len = 0; + t->handshake_done = false; + + switch (event) { + case CHR_EVENT_OPENED: + /* + * 3270 does handshake firstly by the negotiate options in + * char-socket.c. Once qemu receives the terminal-type of the + * client, mark handshake done and trigger everything rolling again. + */ + break; + case CHR_EVENT_CLOSED: + sch->curr_status.scsw.dstat = SCSW_DSTAT_DEVICE_END; + css_conditional_io_interrupt(sch); + break; + } +} + static void terminal_init(EmulatedCcw3270Device *dev, Error **errp) { Terminal3270 *t = TERMINAL_3270(dev); @@ -128,7 +154,7 @@ static void terminal_init(EmulatedCcw3270Device *dev, Error **errp) } terminal_available = true; qemu_chr_fe_set_handlers(&t->chr, terminal_can_read, - terminal_read, NULL, t, NULL, true); + terminal_read, chr_event, t, NULL, true); } static int read_payload_3270(EmulatedCcw3270Device *dev, uint32_t cda, |