void
uhid_intr(struct uhidev *addr, void *data, u_int len)
{
struct uhid_softc *sc = (struct uhid_softc *)addr;
#ifdef UHID_DEBUG
if (uhiddebug > 5) {
u_int32_t i;
DPRINTF(("uhid_intr: data ="));
for (i = 0; i < len; i++)
DPRINTF((" %02x", ((u_char *)data)[i]));
DPRINTF(("\n"));
}
#endif
(void)b_to_q(data, len, &sc->sc_q);
if (sc->sc_state & UHID_ASLP) {
sc->sc_state &= ~UHID_ASLP;
DPRINTFN(5, ("uhid_intr: waking %p\n", &sc->sc_q));
wakeup(&sc->sc_q);
}
selwakeup(&sc->sc_rsel);
if (sc->sc_async != NULL) {
DPRINTFN(3, ("uhid_intr: sending SIGIO %p\n", sc->sc_async));
prsignal(sc->sc_async, SIGIO);
}
}
void
ugenintr(struct usbd_xfer *xfer, void *addr, usbd_status status)
{
struct ugen_endpoint *sce = addr;
/*struct ugen_softc *sc = sce->sc;*/
u_int32_t count;
u_char *ibuf;
if (status == USBD_CANCELLED)
return;
if (status != USBD_NORMAL_COMPLETION) {
DPRINTF(("ugenintr: status=%d\n", status));
if (status == USBD_STALLED)
usbd_clear_endpoint_stall_async(sce->pipeh);
return;
}
usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
ibuf = sce->ibuf;
DPRINTFN(5, ("ugenintr: xfer=%p status=%d count=%d\n",
xfer, status, count));
DPRINTFN(5, (" data = %02x %02x %02x\n",
ibuf[0], ibuf[1], ibuf[2]));
(void)b_to_q(ibuf, count, &sce->q);
if (sce->state & UGEN_ASLP) {
sce->state &= ~UGEN_ASLP;
DPRINTFN(5, ("ugen_intr: waking %p\n", sce));
wakeup(sce);
}
selwakeup(&sce->rsel);
}
void
uhid_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status)
{
struct uhid_softc *sc = addr;
#ifdef USB_DEBUG
if (uhiddebug > 5) {
u_int32_t cc, i;
usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL);
DPRINTF(("uhid_intr: status=%d cc=%d\n", status, cc));
DPRINTF(("uhid_intr: data ="));
for (i = 0; i < cc; i++)
DPRINTF((" %02x", sc->sc_ibuf[i]));
DPRINTF(("\n"));
}
#endif
if (status == USBD_CANCELLED)
return;
if (status != USBD_NORMAL_COMPLETION) {
DPRINTF(("uhid_intr: status=%d\n", status));
if (status == USBD_STALLED)
sc->sc_state |= UHID_NEEDCLEAR;
return;
}
(void) b_to_q(sc->sc_ibuf, sc->sc_isize, &sc->sc_q);
if (sc->sc_state & UHID_ASLP) {
sc->sc_state &= ~UHID_ASLP;
DPRINTFN(5, ("uhid_intr: waking %p\n", &sc->sc_q));
wakeup(&sc->sc_q);
}
selwakeup(&sc->sc_rsel);
if (sc->sc_async != NULL) {
DPRINTFN(3, ("uhid_intr: sending SIGIO %p\n", sc->sc_async));
PROC_LOCK(sc->sc_async);
psignal(sc->sc_async, SIGIO);
PROC_UNLOCK(sc->sc_async);
}
}
int
ptcwrite(dev_t dev, struct uio *uio, int flag)
{
struct pt_softc *pti = pt_softc[minor(dev)];
struct tty *tp = pti->pt_tty;
u_char *cp = NULL;
int cc = 0, bufcc = 0;
u_char buf[BUFSIZ];
size_t cnt = 0;
int error = 0;
again:
if ((tp->t_state&TS_ISOPEN) == 0)
goto block;
if (pti->pt_flags & PF_REMOTE) {
if (tp->t_canq.c_cc)
goto block;
while (uio->uio_resid > 0 && tp->t_canq.c_cc < TTYHOG - 1) {
if (cc == 0) {
cc = MIN(uio->uio_resid, BUFSIZ);
cc = min(cc, TTYHOG - 1 - tp->t_canq.c_cc);
if (cc > bufcc)
bufcc = cc;
cp = buf;
error = uiomove(cp, cc, uio);
if (error)
goto done;
/* check again for safety */
if ((tp->t_state&TS_ISOPEN) == 0) {
error = EIO;
goto done;
}
}
if (cc)
(void) b_to_q((char *)cp, cc, &tp->t_canq);
cc = 0;
}
(void) putc(0, &tp->t_canq);
ttwakeup(tp);
wakeup(&tp->t_canq);
goto done;
}
while (uio->uio_resid > 0) {
if (cc == 0) {
cc = MIN(uio->uio_resid, BUFSIZ);
if (cc > bufcc)
bufcc = cc;
cp = buf;
error = uiomove(cp, cc, uio);
if (error)
goto done;
/* check again for safety */
if ((tp->t_state&TS_ISOPEN) == 0) {
error = EIO;
goto done;
}
}
bufcc = cc;
while (cc > 0) {
if ((tp->t_rawq.c_cc + tp->t_canq.c_cc) >= TTYHOG - 2 &&
(tp->t_canq.c_cc > 0 || !ISSET(tp->t_lflag, ICANON))) {
wakeup(&tp->t_rawq);
goto block;
}
(*linesw[tp->t_line].l_rint)(*cp++, tp);
cnt++;
cc--;
}
cc = 0;
}
goto done;
block:
/*
* Come here to wait for slave to open, for space
* in outq, or space in rawq.
*/
if ((tp->t_state&TS_CARR_ON) == 0) {
error = EIO;
goto done;
}
if (flag & IO_NDELAY) {
/* adjust for data copied in but not written */
uio->uio_resid += cc;
if (cnt == 0)
error = EWOULDBLOCK;
goto done;
}
error = tsleep(&tp->t_rawq.c_cf, TTOPRI | PCATCH,
ttyout, 0);
if (error == 0)
goto again;
/* adjust for data copied in but not written */
uio->uio_resid += cc;
done:
if (bufcc)
bzero(buf, bufcc);
return (error);
}
/*
* Write to TTY.
* No locks may be held.
* Calls device start routine; must already be on master if
* device needs to run on master.
*/
io_return_t char_write(
register struct tty * tp,
register io_req_t ior)
{
spl_t s;
register int count;
register char *data;
vm_offset_t addr;
io_return_t rc = D_SUCCESS;
data = ior->io_data;
count = ior->io_count;
if (count == 0)
return rc;
if (!(ior->io_op & IO_INBAND)) {
/*
* Copy out-of-line data into kernel address space.
* Since data is copied as page list, it will be
* accessible.
*/
vm_map_copy_t copy = (vm_map_copy_t) data;
kern_return_t kr;
kr = vm_map_copyout(device_io_map, &addr, copy);
if (kr != KERN_SUCCESS)
return kr;
data = (char *) addr;
}
/*
* Check for tty operating.
*/
s = spltty();
simple_lock(&tp->t_lock);
if ((tp->t_state & TS_CARR_ON) == 0) {
if ((tp->t_state & TS_ONDELAY) == 0) {
/*
* No delayed writes - tell caller that device is down
*/
rc = D_IO_ERROR;
goto out;
}
if (ior->io_mode & D_NOWAIT) {
rc = D_WOULD_BLOCK;
goto out;
}
}
/*
* Copy data into the output buffer.
* Report the amount not copied.
*/
ior->io_residual = b_to_q(data, count, &tp->t_outq);
/*
* Start hardware output.
*/
tp->t_state &= ~TS_TTSTOP;
tty_output(tp);
if (tp->t_outq.c_cc > TTHIWAT(tp) ||
(tp->t_state & TS_CARR_ON) == 0) {
/*
* Do not send reply until some characters have been sent.
*/
ior->io_dev_ptr = (char *)tp;
queue_delayed_reply(&tp->t_delayed_write, ior, char_write_done);
rc = D_IO_QUEUED;
}
out:
simple_unlock(&tp->t_lock);
splx(s);
if (!(ior->io_op & IO_INBAND))
(void) vm_deallocate(device_io_map, addr, ior->io_count);
return rc;
}
/*
* I/O ops
*/
static int
ptcwrite(struct dev_write_args *ap)
{
cdev_t dev = ap->a_head.a_dev;
struct tty *tp = dev->si_tty;
u_char *cp = NULL;
int cc = 0;
u_char locbuf[BUFSIZ];
int cnt = 0;
struct pt_ioctl *pti = dev->si_drv1;
int error = 0;
lwkt_gettoken(&tty_token);
again:
if ((tp->t_state&TS_ISOPEN) == 0)
goto block;
if (pti->pt_flags & PF_REMOTE) {
if (tp->t_canq.c_cc)
goto block;
while ((ap->a_uio->uio_resid > 0 || cc > 0) &&
tp->t_canq.c_cc < TTYHOG - 1) {
if (cc == 0) {
cc = (int)szmin(ap->a_uio->uio_resid, BUFSIZ);
cc = imin(cc, TTYHOG - 1 - tp->t_canq.c_cc);
cp = locbuf;
error = uiomove(cp, (size_t)cc, ap->a_uio);
if (error) {
lwkt_reltoken(&tty_token);
return (error);
}
/* check again for safety */
if ((tp->t_state & TS_ISOPEN) == 0) {
/* adjust as usual */
ap->a_uio->uio_resid += cc;
lwkt_reltoken(&tty_token);
return (EIO);
}
}
if (cc > 0) {
cc = b_to_q((char *)cp, cc, &tp->t_canq);
/*
* XXX we don't guarantee that the canq size
* is >= TTYHOG, so the above b_to_q() may
* leave some bytes uncopied. However, space
* is guaranteed for the null terminator if
* we don't fail here since (TTYHOG - 1) is
* not a multiple of CBSIZE.
*/
if (cc > 0)
break;
}
}
/* adjust for data copied in but not written */
ap->a_uio->uio_resid += cc;
clist_putc(0, &tp->t_canq);
ttwakeup(tp);
wakeup(TSA_PTS_READ(tp));
lwkt_reltoken(&tty_token);
return (0);
}
while (ap->a_uio->uio_resid > 0 || cc > 0) {
if (cc == 0) {
cc = (int)szmin(ap->a_uio->uio_resid, BUFSIZ);
cp = locbuf;
error = uiomove(cp, (size_t)cc, ap->a_uio);
if (error) {
lwkt_reltoken(&tty_token);
return (error);
}
/* check again for safety */
if ((tp->t_state & TS_ISOPEN) == 0) {
/* adjust for data copied in but not written */
ap->a_uio->uio_resid += cc;
lwkt_reltoken(&tty_token);
return (EIO);
}
}
while (cc > 0) {
if ((tp->t_rawq.c_cc + tp->t_canq.c_cc) >= TTYHOG - 2 &&
(tp->t_canq.c_cc > 0 || !(tp->t_lflag&ICANON))) {
wakeup(TSA_HUP_OR_INPUT(tp));
goto block;
}
(*linesw[tp->t_line].l_rint)(*cp++, tp);
cnt++;
cc--;
}
cc = 0;
}
lwkt_reltoken(&tty_token);
return (0);
block:
/*
* Come here to wait for slave to open, for space
* in outq, or space in rawq, or an empty canq.
*/
if ((tp->t_state & TS_CONNECTED) == 0) {
/* adjust for data copied in but not written */
ap->a_uio->uio_resid += cc;
lwkt_reltoken(&tty_token);
return (EIO);
}
if (ap->a_ioflag & IO_NDELAY) {
/* adjust for data copied in but not written */
ap->a_uio->uio_resid += cc;
if (cnt == 0) {
lwkt_reltoken(&tty_token);
return (EWOULDBLOCK);
}
lwkt_reltoken(&tty_token);
return (0);
}
error = tsleep(TSA_PTC_WRITE(tp), PCATCH, "ptcout", 0);
if (error) {
/* adjust for data copied in but not written */
ap->a_uio->uio_resid += cc;
lwkt_reltoken(&tty_token);
return (error);
}
goto again;
}
Static void
ucomreadcb(usbd_xfer_handle xfer, usbd_private_handle p, usbd_status status)
{
struct ucom_softc *sc = (struct ucom_softc *)p;
struct tty *tp = sc->sc_tty;
int (*rint) (int c, struct tty *tp) = linesw[tp->t_line].l_rint;
usbd_status err;
u_int32_t cc;
u_char *cp;
int lostcc;
int s;
DPRINTF(("ucomreadcb: status = %d\n", status));
if (status != USBD_NORMAL_COMPLETION) {
if (!(sc->sc_state & UCS_RXSTOP))
printf("%s: ucomreadcb: %s\n",
USBDEVNAME(sc->sc_dev), usbd_errstr(status));
if (status == USBD_STALLED)
usbd_clear_endpoint_stall_async(sc->sc_bulkin_pipe);
/* XXX we should restart after some delay. */
return;
}
usbd_get_xfer_status(xfer, NULL, (void **)&cp, &cc, NULL);
DPRINTF(("ucomreadcb: got %d chars, tp = %p\n", cc, tp));
if (cc == 0)
goto resubmit;
if (sc->sc_callback->ucom_read != NULL)
sc->sc_callback->ucom_read(sc->sc_parent, sc->sc_portno,
&cp, &cc);
if (cc > sc->sc_ibufsize) {
printf("%s: invalid receive data size, %d chars\n",
USBDEVNAME(sc->sc_dev), cc);
goto resubmit;
}
if (cc < 1)
goto resubmit;
s = spltty();
if (tp->t_state & TS_CAN_BYPASS_L_RINT) {
if (tp->t_rawq.c_cc + cc > tp->t_ihiwat
&& (sc->sc_state & UCS_RTS_IFLOW
|| tp->t_iflag & IXOFF)
&& !(tp->t_state & TS_TBLOCK))
ttyblock(tp);
lostcc = b_to_q((char *)cp, cc, &tp->t_rawq);
tp->t_rawcc += cc;
ttwakeup(tp);
if (tp->t_state & TS_TTSTOP
&& (tp->t_iflag & IXANY
|| tp->t_cc[VSTART] == tp->t_cc[VSTOP])) {
tp->t_state &= ~TS_TTSTOP;
tp->t_lflag &= ~FLUSHO;
ucomstart(tp);
}
if (lostcc > 0)
printf("%s: lost %d chars\n", USBDEVNAME(sc->sc_dev),
lostcc);
} else {
/* Give characters to tty layer. */
while (cc > 0) {
DPRINTFN(7, ("ucomreadcb: char = 0x%02x\n", *cp));
if ((*rint)(*cp, tp) == -1) {
/* XXX what should we do? */
printf("%s: lost %d chars\n",
USBDEVNAME(sc->sc_dev), cc);
break;
}
cc--;
cp++;
}
}
splx(s);
resubmit:
err = ucomstartread(sc);
if (err) {
printf("%s: read start failed\n", USBDEVNAME(sc->sc_dev));
/* XXX what should we dow now? */
}
if ((sc->sc_state & UCS_RTS_IFLOW) && !ISSET(sc->sc_mcr, UMCR_RTS)
&& !(tp->t_state & TS_TBLOCK))
ucomctl(sc, UMCR_RTS, DMBIS);
}
/*
* NOTE: Must be called with tty_token held
*/
static void
rp_do_receive(struct rp_port *rp, struct tty *tp,
CHANNEL_t *cp, unsigned int ChanStatus)
{
unsigned int CharNStat;
int ToRecv, wRecv, ch, ttynocopy;
ASSERT_LWKT_TOKEN_HELD(&tty_token);
ToRecv = sGetRxCnt(cp);
if(ToRecv == 0)
return;
/* If status indicates there are errored characters in the
FIFO, then enter status mode (a word in FIFO holds
characters and status)
*/
if(ChanStatus & (RXFOVERFL | RXBREAK | RXFRAME | RXPARITY)) {
if(!(ChanStatus & STATMODE)) {
ChanStatus |= STATMODE;
sEnRxStatusMode(cp);
}
}
/*
if we previously entered status mode then read down the
FIFO one word at a time, pulling apart the character and
the status. Update error counters depending on status.
*/
if(ChanStatus & STATMODE) {
while(ToRecv) {
if(tp->t_state & TS_TBLOCK) {
break;
}
CharNStat = rp_readch2(cp,sGetTxRxDataIO(cp));
ch = CharNStat & 0xff;
if((CharNStat & STMBREAK) || (CharNStat & STMFRAMEH))
ch |= TTY_FE;
else if (CharNStat & STMPARITYH)
ch |= TTY_PE;
else if (CharNStat & STMRCVROVRH)
rp->rp_overflows++;
(*linesw[tp->t_line].l_rint)(ch, tp);
ToRecv--;
}
/*
After emtying FIFO in status mode, turn off status mode
*/
if(sGetRxCnt(cp) == 0) {
sDisRxStatusMode(cp);
}
} else {
/*
* Avoid the grotesquely inefficient lineswitch routine
* (ttyinput) in "raw" mode. It usually takes about 450
* instructions (that's without canonical processing or echo!).
* slinput is reasonably fast (usually 40 instructions plus
* call overhead).
*/
ToRecv = sGetRxCnt(cp);
if ( tp->t_state & TS_CAN_BYPASS_L_RINT ) {
if ( ToRecv > RXFIFO_SIZE ) {
ToRecv = RXFIFO_SIZE;
}
wRecv = ToRecv >> 1;
if ( wRecv ) {
rp_readmultich2(cp,sGetTxRxDataIO(cp),(u_int16_t *)rp->RxBuf,wRecv);
}
if ( ToRecv & 1 ) {
((unsigned char *)rp->RxBuf)[(ToRecv-1)] = (u_char) rp_readch1(cp,sGetTxRxDataIO(cp));
}
tk_nin += ToRecv;
tk_rawcc += ToRecv;
tp->t_rawcc += ToRecv;
ttynocopy = b_to_q((char *)rp->RxBuf, ToRecv, &tp->t_rawq);
ttwakeup(tp);
} else {
while (ToRecv) {
if(tp->t_state & TS_TBLOCK) {
break;
}
ch = (u_char) rp_readch1(cp,sGetTxRxDataIO(cp));
crit_enter();
(*linesw[tp->t_line].l_rint)(ch, tp);
crit_exit();
ToRecv--;
}
}
}
void
si_intr(void *arg)
{
struct si_softc *sc;
struct si_port *pp;
volatile struct si_channel *ccbp;
struct tty *tp;
volatile caddr_t maddr;
BYTE op, ip;
int x, card, port, n, i, isopen;
volatile BYTE *z;
BYTE c;
sc = arg;
DPRINT((0, arg == NULL ? DBG_POLL:DBG_INTR, "si_intr\n"));
if (in_intr)
return;
in_intr = 1;
/*
* When we get an int we poll all the channels and do ALL pending
* work, not just the first one we find. This allows all cards to
* share the same vector.
*
* XXX - But if we're sharing the vector with something that's NOT
* a SI/XIO/SX card, we may be making more work for ourselves.
*/
for (card = 0; card < si_numunits; card++) {
sc = devclass_get_softc(si_devclass, card);
if (sc == NULL || sc->sc_type == SIEMPTY)
continue;
/*
* First, clear the interrupt
*/
switch(sc->sc_type) {
case SIHOST:
maddr = sc->sc_maddr;
((volatile struct si_reg *)maddr)->int_pending = 0;
/* flag nothing pending */
*(maddr+SIINTCL) = 0x00; /* Set IRQ clear */
*(maddr+SIINTCL_CL) = 0x00; /* Clear IRQ clear */
break;
case SIHOST2:
maddr = sc->sc_maddr;
((volatile struct si_reg *)maddr)->int_pending = 0;
*(maddr+SIPLIRQCLR) = 0x00;
*(maddr+SIPLIRQCLR) = 0x10;
break;
case SIPCI:
maddr = sc->sc_maddr;
((volatile struct si_reg *)maddr)->int_pending = 0;
*(maddr+SIPCIINTCL) = 0x0;
break;
case SIJETPCI: /* fall through to JETISA case */
case SIJETISA:
maddr = sc->sc_maddr;
((volatile struct si_reg *)maddr)->int_pending = 0;
*(maddr+SIJETINTCL) = 0x0;
break;
#ifdef DEV_EISA
case SIEISA:
maddr = sc->sc_maddr;
((volatile struct si_reg *)maddr)->int_pending = 0;
(void)inb(sc->sc_iobase + 3);
break;
#endif
case SIEMPTY:
default:
continue;
}
((volatile struct si_reg *)maddr)->int_scounter = 0;
/*
* check each port
*/
for (pp = sc->sc_ports, port = 0; port < sc->sc_nport;
pp++, port++) {
ccbp = pp->sp_ccb;
tp = pp->sp_tty;
/*
* See if a command has completed ?
*/
if (ccbp->hi_stat != pp->sp_pend) {
DPRINT((pp, DBG_INTR,
"si_intr hi_stat = 0x%x, pend = %d\n",
ccbp->hi_stat, pp->sp_pend));
switch(pp->sp_pend) {
case LOPEN:
case MPEND:
case MOPEN:
case CONFIG:
case SBREAK:
case EBREAK:
pp->sp_pend = ccbp->hi_stat;
/* sleeping in si_command */
wakeup(&pp->sp_state);
break;
default:
pp->sp_pend = ccbp->hi_stat;
}
}
/*
* Continue on if it's closed
*/
if (ccbp->hi_stat == IDLE_CLOSE) {
continue;
}
/*
* Do modem state change if not a local device
*/
si_modem_state(pp, tp, ccbp->hi_ip);
/*
* Check to see if we should 'receive' characters.
*/
if (tp->t_state & TS_CONNECTED &&
tp->t_state & TS_ISOPEN)
isopen = 1;
else
isopen = 0;
/*
* Do input break processing
*/
if (ccbp->hi_state & ST_BREAK) {
if (isopen) {
ttyld_rint(tp, TTY_BI);
}
ccbp->hi_state &= ~ST_BREAK; /* A Bit iffy this */
DPRINT((pp, DBG_INTR, "si_intr break\n"));
}
/*
* Do RX stuff - if not open then dump any characters.
* XXX: This is VERY messy and needs to be cleaned up.
*
* XXX: can we leave data in the host adapter buffer
* when the clists are full? That may be dangerous
* if the user cannot get an interrupt signal through.
*/
more_rx: /* XXX Sorry. the nesting was driving me bats! :-( */
if (!isopen) {
ccbp->hi_rxopos = ccbp->hi_rxipos;
goto end_rx;
}
/*
* If the tty input buffers are blocked, stop emptying
* the incoming buffers and let the auto flow control
* assert..
*/
if (tp->t_state & TS_TBLOCK) {
goto end_rx;
}
/*
* Process read characters if not skipped above
*/
op = ccbp->hi_rxopos;
ip = ccbp->hi_rxipos;
c = ip - op;
if (c == 0) {
goto end_rx;
}
n = c & 0xff;
if (n > 250)
n = 250;
DPRINT((pp, DBG_INTR, "n = %d, op = %d, ip = %d\n",
n, op, ip));
/*
* Suck characters out of host card buffer into the
* "input staging buffer" - so that we dont leave the
* host card in limbo while we're possibly echoing
* characters and possibly flushing input inside the
* ldisc l_rint() routine.
*/
if (n <= SI_BUFFERSIZE - op) {
DPRINT((pp, DBG_INTR, "\tsingle copy\n"));
z = ccbp->hi_rxbuf + op;
si_vbcopy(z, si_rxbuf, n);
op += n;
} else {
x = SI_BUFFERSIZE - op;
DPRINT((pp, DBG_INTR, "\tdouble part 1 %d\n", x));
z = ccbp->hi_rxbuf + op;
si_vbcopy(z, si_rxbuf, x);
DPRINT((pp, DBG_INTR, "\tdouble part 2 %d\n",
n - x));
z = ccbp->hi_rxbuf;
si_vbcopy(z, si_rxbuf + x, n - x);
op += n;
}
/* clear collected characters from buffer */
ccbp->hi_rxopos = op;
DPRINT((pp, DBG_INTR, "n = %d, op = %d, ip = %d\n",
n, op, ip));
/*
* at this point...
* n = number of chars placed in si_rxbuf
*/
/*
* Avoid the grotesquely inefficient lineswitch
* routine (ttyinput) in "raw" mode. It usually
* takes about 450 instructions (that's without
* canonical processing or echo!). slinput is
* reasonably fast (usually 40 instructions
* plus call overhead).
*/
if (tp->t_state & TS_CAN_BYPASS_L_RINT) {
/* block if the driver supports it */
if (tp->t_rawq.c_cc + n >= SI_I_HIGH_WATER &&
(tp->t_cflag & CRTS_IFLOW ||
tp->t_iflag & IXOFF) &&
!(tp->t_state & TS_TBLOCK))
ttyblock(tp);
tk_nin += n;
tk_rawcc += n;
tp->t_rawcc += n;
pp->sp_delta_overflows +=
b_to_q((char *)si_rxbuf, n, &tp->t_rawq);
ttwakeup(tp);
if (tp->t_state & TS_TTSTOP &&
(tp->t_iflag & IXANY ||
tp->t_cc[VSTART] == tp->t_cc[VSTOP])) {
tp->t_state &= ~TS_TTSTOP;
tp->t_lflag &= ~FLUSHO;
si_start(tp);
}
} else {
/*
* It'd be nice to not have to go through the
* function call overhead for each char here.
* It'd be nice to block input it, saving a
* loop here and the call/return overhead.
*/
for(x = 0; x < n; x++) {
i = si_rxbuf[x];
if (ttyld_rint(tp, i)
== -1) {
pp->sp_delta_overflows++;
}
}
}
goto more_rx; /* try for more until RXbuf is empty */
end_rx: /* XXX: Again, sorry about the gotos.. :-) */
/*
* Do TX stuff
*/
ttyld_start(tp);
} /* end of for (all ports on this controller) */
} /* end of for (all controllers) */
in_intr = 0;
DPRINT((0, arg == NULL ? DBG_POLL:DBG_INTR, "end si_intr\n"));
}