1 /* Main file for COMM support
3 * DEC 93 Erik Bos <erik@xs4all.nl>
4 * Copyright 1996 Marcus Meissner
5 * Copyright 2005,2006 Eric Pouech
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #include "wine/port.h"
46 #ifdef HAVE_SYS_STAT_H
47 # include <sys/stat.h>
49 #include <sys/types.h>
50 #ifdef HAVE_SYS_FILIO_H
51 # include <sys/filio.h>
53 #ifdef HAVE_SYS_IOCTL_H
54 #include <sys/ioctl.h>
56 #ifdef HAVE_SYS_POLL_H
57 # include <sys/poll.h>
59 #ifdef HAVE_SYS_MODEM_H
60 # include <sys/modem.h>
62 #ifdef HAVE_SYS_STRTIO_H
63 # include <sys/strtio.h>
66 #define NONAMELESSUNION
67 #define NONAMELESSSTRUCT
69 #define WIN32_NO_STATUS
73 #include "ddk/ntddser.h"
74 #include "ntdll_misc.h"
75 #include "wine/server.h"
76 #include "wine/library.h"
77 #include "wine/debug.h"
79 #ifdef HAVE_LINUX_SERIAL_H
80 #include <linux/serial.h>
83 #if !defined(TIOCINQ) && defined(FIONREAD)
84 #define TIOCINQ FIONREAD
87 WINE_DEFAULT_DEBUG_CHANNEL(comm);
89 static const char* iocode2str(DWORD ioc)
93 #define X(x) case (x): return #x;
94 X(IOCTL_SERIAL_CLEAR_STATS);
95 X(IOCTL_SERIAL_CLR_DTR);
96 X(IOCTL_SERIAL_CLR_RTS);
97 X(IOCTL_SERIAL_CONFIG_SIZE);
98 X(IOCTL_SERIAL_GET_BAUD_RATE);
99 X(IOCTL_SERIAL_GET_CHARS);
100 X(IOCTL_SERIAL_GET_COMMSTATUS);
101 X(IOCTL_SERIAL_GET_DTRRTS);
102 X(IOCTL_SERIAL_GET_HANDFLOW);
103 X(IOCTL_SERIAL_GET_LINE_CONTROL);
104 X(IOCTL_SERIAL_GET_MODEM_CONTROL);
105 X(IOCTL_SERIAL_GET_MODEMSTATUS);
106 X(IOCTL_SERIAL_GET_PROPERTIES);
107 X(IOCTL_SERIAL_GET_STATS);
108 X(IOCTL_SERIAL_GET_TIMEOUTS);
109 X(IOCTL_SERIAL_GET_WAIT_MASK);
110 X(IOCTL_SERIAL_IMMEDIATE_CHAR);
111 X(IOCTL_SERIAL_LSRMST_INSERT);
112 X(IOCTL_SERIAL_PURGE);
113 X(IOCTL_SERIAL_RESET_DEVICE);
114 X(IOCTL_SERIAL_SET_BAUD_RATE);
115 X(IOCTL_SERIAL_SET_BREAK_ON);
116 X(IOCTL_SERIAL_SET_BREAK_OFF);
117 X(IOCTL_SERIAL_SET_CHARS);
118 X(IOCTL_SERIAL_SET_DTR);
119 X(IOCTL_SERIAL_SET_FIFO_CONTROL);
120 X(IOCTL_SERIAL_SET_HANDFLOW);
121 X(IOCTL_SERIAL_SET_LINE_CONTROL);
122 X(IOCTL_SERIAL_SET_MODEM_CONTROL);
123 X(IOCTL_SERIAL_SET_QUEUE_SIZE);
124 X(IOCTL_SERIAL_SET_RTS);
125 X(IOCTL_SERIAL_SET_TIMEOUTS);
126 X(IOCTL_SERIAL_SET_WAIT_MASK);
127 X(IOCTL_SERIAL_SET_XOFF);
128 X(IOCTL_SERIAL_SET_XON);
129 X(IOCTL_SERIAL_WAIT_ON_MASK);
130 X(IOCTL_SERIAL_XOFF_COUNTER);
132 default: { static char tmp[32]; sprintf(tmp, "IOCTL_SERIAL_%d\n", ioc); return tmp; }
136 static NTSTATUS get_baud_rate(int fd, SERIAL_BAUD_RATE* sbr)
141 if (tcgetattr(fd, &port) == -1)
143 ERR("tcgetattr error '%s'\n", strerror(errno));
144 return FILE_GetNtStatus();
148 speed = port.c_cflag & CBAUD;
150 speed = cfgetospeed(&port);
154 case B0: sbr->BaudRate = 0; break;
155 case B50: sbr->BaudRate = 50; break;
156 case B75: sbr->BaudRate = 75; break;
157 case B110: sbr->BaudRate = 110; break;
158 case B134: sbr->BaudRate = 134; break;
159 case B150: sbr->BaudRate = 150; break;
160 case B200: sbr->BaudRate = 200; break;
161 case B300: sbr->BaudRate = 300; break;
162 case B600: sbr->BaudRate = 600; break;
163 case B1200: sbr->BaudRate = 1200; break;
164 case B1800: sbr->BaudRate = 1800; break;
165 case B2400: sbr->BaudRate = 2400; break;
166 case B4800: sbr->BaudRate = 4800; break;
167 case B9600: sbr->BaudRate = 9600; break;
168 case B19200: sbr->BaudRate = 19200; break;
169 case B38400: sbr->BaudRate = 38400; break;
171 case B57600: sbr->BaudRate = 57600; break;
174 case B115200: sbr->BaudRate = 115200; break;
177 case B230400: sbr->BaudRate = 230400; break;
180 case B460800: sbr->BaudRate = 460800; break;
183 ERR("unknown speed %x\n", speed);
184 return STATUS_INVALID_PARAMETER;
187 return STATUS_INVALID_PARAMETER;
189 return STATUS_SUCCESS;
192 static NTSTATUS get_hand_flow(int fd, SERIAL_HANDFLOW* shf)
197 if (tcgetattr(fd, &port) == -1)
199 ERR("tcgetattr error '%s'\n", strerror(errno));
200 return FILE_GetNtStatus();
203 if (ioctl(fd, TIOCMGET, &stat) == -1)
205 WARN("ioctl error '%s'\n", strerror(errno));
206 stat = DTR_CONTROL_ENABLE | RTS_CONTROL_ENABLE;
209 /* termios does not support DTR/DSR flow control */
210 shf->ControlHandShake = 0;
211 shf->FlowReplace = 0;
213 if (stat & TIOCM_DTR)
215 shf->ControlHandShake |= SERIAL_DTR_CONTROL;
217 if (port.c_cflag & CRTSCTS)
219 shf->ControlHandShake |= SERIAL_DTR_CONTROL | SERIAL_DTR_HANDSHAKE;
220 shf->ControlHandShake |= SERIAL_CTS_HANDSHAKE;
226 if (stat & TIOCM_RTS)
228 shf->ControlHandShake |= SERIAL_RTS_CONTROL;
230 if (port.c_iflag & IXON)
231 shf->FlowReplace |= SERIAL_AUTO_RECEIVE;
232 if (port.c_iflag & IXOFF)
233 shf->FlowReplace |= SERIAL_AUTO_TRANSMIT;
237 return STATUS_SUCCESS;
240 static NTSTATUS get_line_control(int fd, SERIAL_LINE_CONTROL* slc)
244 if (tcgetattr(fd, &port) == -1)
246 ERR("tcgetattr error '%s'\n", strerror(errno));
247 return FILE_GetNtStatus();
251 switch (port.c_cflag & (PARENB | PARODD | CMSPAR))
253 switch (port.c_cflag & (PARENB | PARODD))
256 case 0: slc->Parity = NOPARITY; break;
257 case PARENB: slc->Parity = EVENPARITY; break;
258 case PARENB|PARODD: slc->Parity = ODDPARITY; break;
260 case PARENB|CMSPAR: slc->Parity = MARKPARITY; break;
261 case PARENB|PARODD|CMSPAR: slc->Parity = SPACEPARITY; break;
264 switch (port.c_cflag & CSIZE)
266 case CS5: slc->WordLength = 5; break;
267 case CS6: slc->WordLength = 6; break;
268 case CS7: slc->WordLength = 7; break;
269 case CS8: slc->WordLength = 8; break;
270 default: ERR("unknown size %x\n", (UINT)(port.c_cflag & CSIZE));
273 if (port.c_cflag & CSTOPB)
275 if (slc->WordLength == 5)
276 slc->StopBits = ONE5STOPBITS;
278 slc->StopBits = TWOSTOPBITS;
281 slc->StopBits = ONESTOPBIT;
283 return STATUS_SUCCESS;
286 static NTSTATUS get_modem_status(int fd, DWORD* lpModemStat)
288 NTSTATUS status = STATUS_SUCCESS;
292 if (ioctl(fd, TIOCMGET, &mstat) == -1)
294 WARN("ioctl failed\n");
295 status = FILE_GetNtStatus();
301 if (mstat & TIOCM_CTS) *lpModemStat |= MS_CTS_ON;
304 if (mstat & TIOCM_DSR) *lpModemStat |= MS_DSR_ON;
307 if (mstat & TIOCM_RNG) *lpModemStat |= MS_RING_ON;
310 /* FIXME: Not really sure about RLSD UB 990810 */
311 if (mstat & TIOCM_CAR) *lpModemStat |= MS_RLSD_ON;
313 TRACE("%04x -> %s%s%s%s\n", mstat,
314 (*lpModemStat & MS_RLSD_ON) ? "MS_RLSD_ON " : "",
315 (*lpModemStat & MS_RING_ON) ? "MS_RING_ON " : "",
316 (*lpModemStat & MS_DSR_ON) ? "MS_DSR_ON " : "",
317 (*lpModemStat & MS_CTS_ON) ? "MS_CTS_ON " : "");
320 status = STATUS_NOT_SUPPORTED;
325 static NTSTATUS get_special_chars(int fd, SERIAL_CHARS* sc)
329 if (tcgetattr(fd, &port) == -1)
331 ERR("tcgetattr error '%s'\n", strerror(errno));
332 return FILE_GetNtStatus();
334 sc->EofChar = port.c_cc[VEOF];
335 sc->ErrorChar = 0xFF;
336 sc->BreakChar = 0; /* FIXME */
337 sc->EventChar = 0; /* FIXME */
338 sc->XonChar = port.c_cc[VSTART];
339 sc->XoffChar = port.c_cc[VSTOP];
341 return STATUS_SUCCESS;
344 static NTSTATUS get_status(int fd, SERIAL_STATUS* ss)
346 NTSTATUS status = STATUS_SUCCESS;
350 ss->EofReceived = FALSE;
351 ss->WaitForImmediate = FALSE;
353 if (ioctl(fd, TIOCOUTQ, &ss->AmountInOutQueue) == -1)
355 WARN("ioctl returned error\n");
356 status = FILE_GetNtStatus();
359 ss->AmountInOutQueue = 0; /* FIXME: find a different way to find out */
363 if (ioctl(fd, TIOCINQ, &ss->AmountInInQueue))
365 WARN("ioctl returned error\n");
366 status = FILE_GetNtStatus();
369 ss->AmountInInQueue = 0; /* FIXME: find a different way to find out */
374 static NTSTATUS get_timeouts(HANDLE handle, SERIAL_TIMEOUTS* st)
377 SERVER_START_REQ( get_serial_info )
379 req->handle = handle;
380 if (!(status = wine_server_call( req )))
382 st->ReadIntervalTimeout = reply->readinterval;
383 st->ReadTotalTimeoutMultiplier = reply->readmult;
384 st->ReadTotalTimeoutConstant = reply->readconst;
385 st->WriteTotalTimeoutMultiplier = reply->writemult;
386 st->WriteTotalTimeoutConstant = reply->writeconst;
393 static NTSTATUS get_wait_mask(HANDLE hDevice, DWORD* mask)
397 SERVER_START_REQ( get_serial_info )
399 req->handle = hDevice;
400 if (!(status = wine_server_call( req )))
401 *mask = reply->eventmask;
407 static NTSTATUS purge(int fd, DWORD flags)
410 ** not exactly sure how these are different
411 ** Perhaps if we had our own internal queues, one flushes them
412 ** and the other flushes the kernel's buffers.
414 if (flags & PURGE_TXABORT) tcflush(fd, TCOFLUSH);
415 if (flags & PURGE_RXABORT) tcflush(fd, TCIFLUSH);
416 if (flags & PURGE_TXCLEAR) tcflush(fd, TCOFLUSH);
417 if (flags & PURGE_RXCLEAR) tcflush(fd, TCIFLUSH);
418 return STATUS_SUCCESS;
421 static NTSTATUS set_baud_rate(int fd, const SERIAL_BAUD_RATE* sbr)
425 if (tcgetattr(fd, &port) == -1)
427 ERR("tcgetattr error '%s'\n", strerror(errno));
428 return FILE_GetNtStatus();
432 port.c_cflag &= ~CBAUD;
433 switch (sbr->BaudRate)
435 case 0: port.c_cflag |= B0; break;
436 case 50: port.c_cflag |= B50; break;
437 case 75: port.c_cflag |= B75; break;
439 case CBR_110: port.c_cflag |= B110; break;
440 case 134: port.c_cflag |= B134; break;
441 case 150: port.c_cflag |= B150; break;
442 case 200: port.c_cflag |= B200; break;
444 case CBR_300: port.c_cflag |= B300; break;
446 case CBR_600: port.c_cflag |= B600; break;
448 case CBR_1200: port.c_cflag |= B1200; break;
449 case 1800: port.c_cflag |= B1800; break;
451 case CBR_2400: port.c_cflag |= B2400; break;
453 case CBR_4800: port.c_cflag |= B4800; break;
455 case CBR_9600: port.c_cflag |= B9600; break;
457 case CBR_19200: port.c_cflag |= B19200; break;
459 case CBR_38400: port.c_cflag |= B38400; break;
461 case 57600: port.c_cflag |= B57600; break;
464 case 115200: port.c_cflag |= B115200;break;
467 case 230400: port.c_cflag |= B230400;break;
470 case 460800: port.c_cflag |= B460800;break;
473 #if defined (HAVE_LINUX_SERIAL_H) && defined (TIOCSSERIAL)
475 struct serial_struct nuts;
478 ioctl(fd, TIOCGSERIAL, &nuts);
479 nuts.custom_divisor = nuts.baud_base / sbr->BaudRate;
480 if (!(nuts.custom_divisor)) nuts.custom_divisor = 1;
481 arby = nuts.baud_base / nuts.custom_divisor;
482 nuts.flags &= ~ASYNC_SPD_MASK;
483 nuts.flags |= ASYNC_SPD_CUST;
484 WARN("You (or a program acting at your behest) have specified\n"
485 "a non-standard baud rate %d. Wine will set the rate to %d,\n"
486 "which is as close as we can get by our present understanding of your\n"
487 "hardware. I hope you know what you are doing. Any disruption Wine\n"
488 "has caused to your linux system can be undone with setserial \n"
489 "(see man setserial). If you have incapacitated a Hayes type modem,\n"
490 "reset it and it will probably recover.\n", sbr->BaudRate, arby);
491 ioctl(fd, TIOCSSERIAL, &nuts);
492 port.c_cflag |= B38400;
495 #else /* Don't have linux/serial.h or lack TIOCSSERIAL */
496 ERR("baudrate %d\n", sbr->BaudRate);
497 return STATUS_NOT_SUPPORTED;
498 #endif /* Don't have linux/serial.h or lack TIOCSSERIAL */
500 #elif !defined(__EMX__)
501 switch (sbr->BaudRate)
503 case 0: port.c_ospeed = B0; break;
504 case 50: port.c_ospeed = B50; break;
505 case 75: port.c_ospeed = B75; break;
507 case CBR_110: port.c_ospeed = B110; break;
508 case 134: port.c_ospeed = B134; break;
509 case 150: port.c_ospeed = B150; break;
510 case 200: port.c_ospeed = B200; break;
512 case CBR_300: port.c_ospeed = B300; break;
514 case CBR_600: port.c_ospeed = B600; break;
516 case CBR_1200: port.c_ospeed = B1200; break;
517 case 1800: port.c_ospeed = B1800; break;
519 case CBR_2400: port.c_ospeed = B2400; break;
521 case CBR_4800: port.c_ospeed = B4800; break;
523 case CBR_9600: port.c_ospeed = B9600; break;
525 case CBR_19200: port.c_ospeed = B19200; break;
527 case CBR_38400: port.c_ospeed = B38400; break;
530 case CBR_57600: port.c_cflag |= B57600; break;
534 case CBR_115200: port.c_cflag |= B115200;break;
537 case 230400: port.c_cflag |= B230400;break;
540 case 460800: port.c_cflag |= B460800;break;
543 ERR("baudrate %d\n", sbr->BaudRate);
544 return STATUS_NOT_SUPPORTED;
546 port.c_ispeed = port.c_ospeed;
548 if (tcsetattr(fd, TCSANOW, &port) == -1)
550 ERR("tcsetattr error '%s'\n", strerror(errno));
551 return FILE_GetNtStatus();
553 return STATUS_SUCCESS;
556 static int whack_modem(int fd, unsigned int andy, unsigned int orrie)
559 unsigned int mstat, okay;
560 okay = ioctl(fd, TIOCMGET, &mstat);
561 if (okay) return okay;
562 if (andy) mstat &= andy;
564 return ioctl(fd, TIOCMSET, &mstat);
570 static NTSTATUS set_handflow(int fd, const SERIAL_HANDFLOW* shf)
574 if ((shf->FlowReplace & (SERIAL_RTS_CONTROL | SERIAL_RTS_HANDSHAKE)) ==
575 (SERIAL_RTS_CONTROL | SERIAL_RTS_HANDSHAKE))
576 return STATUS_NOT_SUPPORTED;
578 if (tcgetattr(fd, &port) == -1)
580 ERR("tcgetattr error '%s'\n", strerror(errno));
581 return FILE_GetNtStatus();
585 if ((shf->ControlHandShake & SERIAL_CTS_HANDSHAKE) ||
586 (shf->FlowReplace & SERIAL_RTS_HANDSHAKE))
588 port.c_cflag |= CRTSCTS;
592 port.c_cflag &= ~CRTSCTS;
595 if (shf->ControlHandShake & SERIAL_DTR_HANDSHAKE)
597 WARN("DSR/DTR flow control not supported\n");
598 } else if (!(shf->ControlHandShake & SERIAL_DTR_CONTROL))
599 whack_modem(fd, ~TIOCM_DTR, 0);
601 whack_modem(fd, 0, TIOCM_DTR);
604 if (!(shf->ControlHandShake & SERIAL_CTS_HANDSHAKE))
606 if ((shf->FlowReplace & (SERIAL_RTS_CONTROL|SERIAL_RTS_HANDSHAKE)) == 0)
607 whack_modem(fd, ~TIOCM_RTS, 0);
609 whack_modem(fd, 0, TIOCM_RTS);
613 if (shf->FlowReplace & SERIAL_AUTO_RECEIVE)
614 port.c_iflag |= IXON;
616 port.c_iflag &= ~IXON;
617 if (shf->FlowReplace & SERIAL_AUTO_TRANSMIT)
618 port.c_iflag |= IXOFF;
620 port.c_iflag &= ~IXOFF;
621 if (tcsetattr(fd, TCSANOW, &port) == -1)
623 ERR("tcsetattr error '%s'\n", strerror(errno));
624 return FILE_GetNtStatus();
627 return STATUS_SUCCESS;
630 static NTSTATUS set_line_control(int fd, const SERIAL_LINE_CONTROL* slc)
633 unsigned bytesize, stopbits;
635 if (tcgetattr(fd, &port) == -1)
637 ERR("tcgetattr error '%s'\n", strerror(errno));
638 return FILE_GetNtStatus();
642 port.c_iflag &= ~(ISTRIP|BRKINT|IGNCR|ICRNL|INLCR|PARMRK|IMAXBEL);
644 port.c_iflag &= ~(ISTRIP|BRKINT|IGNCR|ICRNL|INLCR|PARMRK);
646 port.c_iflag |= IGNBRK | INPCK;
648 port.c_oflag &= ~(OPOST);
650 port.c_cflag &= ~(HUPCL);
651 port.c_cflag |= CLOCAL | CREAD;
653 port.c_lflag &= ~(ICANON|ECHO|ISIG);
654 port.c_lflag |= NOFLSH;
656 bytesize = slc->WordLength;
657 stopbits = slc->StopBits;
660 port.c_cflag &= ~(PARENB | PARODD | CMSPAR);
662 port.c_cflag &= ~(PARENB | PARODD);
667 case NOPARITY: port.c_iflag &= ~INPCK; break;
668 case ODDPARITY: port.c_cflag |= PARENB | PARODD; break;
669 case EVENPARITY: port.c_cflag |= PARENB; break;
671 /* Linux defines mark/space (stick) parity */
672 case MARKPARITY: port.c_cflag |= PARENB | CMSPAR; break;
673 case SPACEPARITY: port.c_cflag |= PARENB | PARODD | CMSPAR; break;
675 /* try the POSIX way */
677 if (slc->StopBits == ONESTOPBIT)
679 stopbits = TWOSTOPBITS;
680 port.c_iflag &= ~INPCK;
684 ERR("Cannot set MARK Parity\n");
685 return STATUS_NOT_SUPPORTED;
689 if (slc->WordLength < 8)
692 port.c_iflag &= ~INPCK;
696 ERR("Cannot set SPACE Parity\n");
697 return STATUS_NOT_SUPPORTED;
703 return STATUS_NOT_SUPPORTED;
706 port.c_cflag &= ~CSIZE;
709 case 5: port.c_cflag |= CS5; break;
710 case 6: port.c_cflag |= CS6; break;
711 case 7: port.c_cflag |= CS7; break;
712 case 8: port.c_cflag |= CS8; break;
715 return STATUS_NOT_SUPPORTED;
720 case ONESTOPBIT: port.c_cflag &= ~CSTOPB; break;
721 case ONE5STOPBITS: /* will be selected if bytesize is 5 */
722 case TWOSTOPBITS: port.c_cflag |= CSTOPB; break;
725 return STATUS_NOT_SUPPORTED;
727 /* otherwise it hangs with pending input*/
728 if (tcsetattr(fd, TCSANOW, &port) == -1)
730 ERR("tcsetattr error '%s'\n", strerror(errno));
731 return FILE_GetNtStatus();
733 return STATUS_SUCCESS;
736 static NTSTATUS set_queue_size(int fd, const SERIAL_QUEUE_SIZE* sqs)
738 FIXME("insize %d outsize %d unimplemented stub\n", sqs->InSize, sqs->OutSize);
739 return STATUS_SUCCESS;
742 static NTSTATUS set_special_chars(int fd, const SERIAL_CHARS* sc)
746 if (tcgetattr(fd, &port) == -1)
748 ERR("tcgetattr error '%s'\n", strerror(errno));
749 return FILE_GetNtStatus();
752 port.c_cc[VMIN ] = 0;
753 port.c_cc[VTIME ] = 1;
755 port.c_cc[VEOF ] = sc->EofChar;
756 /* FIXME: sc->ErrorChar is not supported */
757 /* FIXME: sc->BreakChar is not supported */
758 /* FIXME: sc->EventChar is not supported */
759 port.c_cc[VSTART] = sc->XonChar;
760 port.c_cc[VSTOP ] = sc->XoffChar;
762 if (tcsetattr(fd, TCSANOW, &port) == -1)
764 ERR("tcsetattr error '%s'\n", strerror(errno));
765 return FILE_GetNtStatus();
767 return STATUS_SUCCESS;
770 static NTSTATUS set_timeouts(HANDLE handle, int fd, const SERIAL_TIMEOUTS* st)
774 unsigned int ux_timeout;
776 SERVER_START_REQ( set_serial_info )
778 req->handle = handle;
779 req->flags = SERIALINFO_SET_TIMEOUTS;
780 req->readinterval = st->ReadIntervalTimeout ;
781 req->readmult = st->ReadTotalTimeoutMultiplier ;
782 req->readconst = st->ReadTotalTimeoutConstant ;
783 req->writemult = st->WriteTotalTimeoutMultiplier ;
784 req->writeconst = st->WriteTotalTimeoutConstant ;
785 status = wine_server_call( req );
788 if (status) return status;
790 if (tcgetattr(fd, &port) == -1)
792 FIXME("tcgetattr on fd %d failed (%s)!\n", fd, strerror(errno));
793 return FILE_GetNtStatus();
796 /* VTIME is in 1/10 seconds */
797 if (st->ReadIntervalTimeout == 0) /* 0 means no timeout */
801 ux_timeout = (st->ReadIntervalTimeout + 99) / 100;
803 ux_timeout = 1; /* must be at least some timeout */
805 port.c_cc[VTIME] = ux_timeout;
807 if (tcsetattr(fd, 0, &port) == -1)
809 FIXME("tcsetattr on fd %d failed (%s)!\n", fd, strerror(errno));
810 return FILE_GetNtStatus();
812 return STATUS_SUCCESS;
815 static NTSTATUS set_wait_mask(HANDLE hDevice, DWORD mask)
819 SERVER_START_REQ( set_serial_info )
821 req->handle = hDevice;
822 req->flags = SERIALINFO_SET_MASK;
823 req->eventmask = mask;
824 status = wine_server_call( req );
830 static NTSTATUS set_XOff(int fd)
834 if (tcgetattr(fd,&port) == -1)
836 FIXME("tcgetattr on fd %d failed (%s)!\n", fd, strerror(errno));
837 return FILE_GetNtStatus();
841 port.c_iflag |= IXOFF;
842 if (tcsetattr(fd, TCSADRAIN, &port) == -1)
844 FIXME("tcsetattr on fd %d failed (%s)!\n", fd, strerror(errno));
845 return FILE_GetNtStatus();
847 return STATUS_SUCCESS;
850 static NTSTATUS set_XOn(int fd)
854 if (tcgetattr(fd,&port) == -1)
856 FIXME("tcgetattr on fd %d failed (%s)!\n", fd, strerror(errno));
857 return FILE_GetNtStatus();
859 port.c_iflag |= IXON;
860 if (tcsetattr(fd, TCSADRAIN, &port) == -1)
862 FIXME("tcsetattr on fd %d failed (%s)!\n", fd, strerror(errno));
863 return FILE_GetNtStatus();
865 return STATUS_SUCCESS;
869 * local structure holding the irq values we need for WaitCommEvent()
871 * Stripped down from struct serial_icounter_struct, which may not be available on some systems
872 * As the modem line interrupts (cts, dsr, rng, dcd) only get updated with TIOCMIWAIT active,
873 * no need to carry them in the internal structure
876 typedef struct serial_irq_info
878 int rx , tx, frame, overrun, parity, brk, buf_overrun;
881 /***********************************************************************
882 * Data needed by the thread polling for the changing CommEvent
884 typedef struct async_commio
891 serial_irq_info irq_info;
894 /***********************************************************************
895 * Get extended interrupt count info, needed for wait_on
897 static NTSTATUS get_irq_info(int fd, serial_irq_info *irq_info)
900 struct serial_icounter_struct einfo;
901 if (!ioctl(fd, TIOCGICOUNT, &einfo))
903 irq_info->rx = einfo.rx;
904 irq_info->tx = einfo.tx;
905 irq_info->frame = einfo.frame;
906 irq_info->overrun = einfo.overrun;
907 irq_info->parity = einfo.parity;
908 irq_info->brk = einfo.brk;
909 irq_info->buf_overrun = einfo.buf_overrun;
910 return STATUS_SUCCESS;
912 TRACE("TIOCGICOUNT err %s\n", strerror(errno));
913 return FILE_GetNtStatus();
915 memset(irq_info,0, sizeof(serial_irq_info));
916 return STATUS_NOT_IMPLEMENTED;
921 static DWORD WINAPI check_events(int fd, DWORD mask,
922 const serial_irq_info *new,
923 const serial_irq_info *old,
924 DWORD new_mstat, DWORD old_mstat)
926 DWORD ret = 0, queue;
928 TRACE("mask 0x%08x\n", mask);
929 TRACE("old->rx 0x%08x vs. new->rx 0x%08x\n", old->rx, new->rx);
930 TRACE("old->tx 0x%08x vs. new->tx 0x%08x\n", old->tx, new->tx);
931 TRACE("old->frame 0x%08x vs. new->frame 0x%08x\n", old->frame, new->frame);
932 TRACE("old->overrun 0x%08x vs. new->overrun 0x%08x\n", old->overrun, new->overrun);
933 TRACE("old->parity 0x%08x vs. new->parity 0x%08x\n", old->parity, new->parity);
934 TRACE("old->brk 0x%08x vs. new->brk 0x%08x\n", old->brk, new->brk);
935 TRACE("old->buf_overrun 0x%08x vs. new->buf_overrun 0x%08x\n", old->buf_overrun, new->buf_overrun);
937 if (old->brk != new->brk) ret |= EV_BREAK;
938 if ((old_mstat & MS_CTS_ON ) != (new_mstat & MS_CTS_ON )) ret |= EV_CTS;
939 if ((old_mstat & MS_DSR_ON ) != (new_mstat & MS_DSR_ON )) ret |= EV_DSR;
940 if ((old_mstat & MS_RING_ON) != (new_mstat & MS_RING_ON)) ret |= EV_RING;
941 if ((old_mstat & MS_RLSD_ON) != (new_mstat & MS_RLSD_ON)) ret |= EV_RLSD;
942 if (old->frame != new->frame || old->overrun != new->overrun || old->parity != new->parity) ret |= EV_ERR;
943 if (mask & EV_RXCHAR)
947 if (ioctl(fd, TIOCINQ, &queue))
948 WARN("TIOCINQ returned error\n");
953 if (mask & EV_TXEMPTY)
956 /* We really want to know when all characters have gone out of the transmitter */
957 #if defined(TIOCSERGETLSR)
958 if (ioctl(fd, TIOCSERGETLSR, &queue))
959 WARN("TIOCSERGETLSR returned error\n");
961 /* TIOCOUTQ only checks for an empty buffer */
962 #elif defined(TIOCOUTQ)
963 if (ioctl(fd, TIOCOUTQ, &queue))
964 WARN("TIOCOUTQ returned error\n");
968 TRACE("OUTQUEUE %d, Transmitter %sempty\n",
969 queue, (ret & EV_TXEMPTY) ? "" : "not ");
974 /***********************************************************************
975 * wait_for_event (INTERNAL)
977 * We need to poll for what is interesting
978 * TIOCMIWAIT only checks modem status line and may not be aborted by a changing mask
981 static DWORD CALLBACK wait_for_event(LPVOID arg)
983 async_commio *commio = (async_commio*) arg;
986 if (!server_get_unix_fd( commio->hDevice, FILE_READ_DATA | FILE_WRITE_DATA, &fd, &needs_close, NULL, NULL ))
988 serial_irq_info new_irq_info;
989 DWORD new_mstat, new_evtmask;
992 TRACE("device=%p fd=0x%08x mask=0x%08x buffer=%p event=%p irq_info=%p\n",
993 commio->hDevice, fd, commio->evtmask, commio->events, commio->hEvent, &commio->irq_info);
995 time.QuadPart = (ULONGLONG)10000;
996 time.QuadPart = -time.QuadPart;
1000 * TIOCMIWAIT is not adequate
1003 * We don't handle the EV_RXFLAG (the eventchar)
1005 NtDelayExecution(FALSE, &time);
1006 get_irq_info(fd, &new_irq_info);
1007 if (get_modem_status(fd, &new_mstat))
1008 TRACE("get_modem_status failed\n");
1009 *commio->events = check_events(fd, commio->evtmask,
1010 &new_irq_info, &commio->irq_info,
1011 new_mstat, commio->mstat);
1012 if (*commio->events) break;
1013 get_wait_mask(commio->hDevice, &new_evtmask);
1014 if (commio->evtmask != new_evtmask)
1016 *commio->events = 0;
1020 if (needs_close) close( fd );
1022 if (commio->hEvent) NtSetEvent(commio->hEvent, NULL);
1023 RtlFreeHeap(GetProcessHeap(), 0, commio);
1027 static NTSTATUS wait_on(HANDLE hDevice, int fd, HANDLE hEvent, DWORD* events)
1029 async_commio* commio;
1032 if ((status = NtResetEvent(hEvent, NULL)))
1035 commio = RtlAllocateHeap(GetProcessHeap(), 0, sizeof (async_commio));
1036 if (!commio) return STATUS_NO_MEMORY;
1038 commio->hDevice = hDevice;
1039 commio->events = events;
1040 commio->hEvent = hEvent;
1041 get_wait_mask(commio->hDevice, &commio->evtmask);
1043 /* We may never return, if some capabilities miss
1044 * Return error in that case
1046 #if !defined(TIOCINQ)
1047 if (commio->evtmask & EV_RXCHAR)
1050 #if !(defined(TIOCSERGETLSR) && defined(TIOCSER_TEMT)) || !defined(TIOCINQ)
1051 if (commio->evtmask & EV_TXEMPTY)
1054 #if !defined(TIOCMGET)
1055 if (commio->evtmask & (EV_CTS | EV_DSR| EV_RING| EV_RLSD))
1058 #if !defined(TIOCM_CTS)
1059 if (commio->evtmask & EV_CTS)
1062 #if !defined(TIOCM_DSR)
1063 if (commio->evtmask & EV_DSR)
1066 #if !defined(TIOCM_RNG)
1067 if (commio->evtmask & EV_RING)
1070 #if !defined(TIOCM_CAR)
1071 if (commio->evtmask & EV_RLSD)
1074 if (commio->evtmask & EV_RXFLAG)
1075 FIXME("EV_RXFLAG not handled\n");
1076 if ((status = get_irq_info(fd, &commio->irq_info)) ||
1077 (status = get_modem_status(fd, &commio->mstat)))
1080 /* We might have received something or the TX bufffer is delivered */
1081 *events = check_events(fd, commio->evtmask,
1082 &commio->irq_info, &commio->irq_info,
1083 commio->mstat, commio->mstat);
1084 if (*events) goto out_now;
1086 /* create the worker for the task */
1087 status = RtlQueueWorkItem(wait_for_event, commio, 0 /* FIXME */);
1088 if (status != STATUS_SUCCESS) goto out_now;
1089 return STATUS_PENDING;
1091 #if !defined(TIOCINQ) || (!(defined(TIOCSERGETLSR) && defined(TIOCSER_TEMT)) || !defined(TIOCINQ)) || !defined(TIOCMGET) || !defined(TIOCM_CTS) ||!defined(TIOCM_DSR) || !defined(TIOCM_RNG) || !defined(TIOCM_CAR)
1093 FIXME("Returning error because of missing capabilities\n");
1094 status = STATUS_INVALID_PARAMETER;
1097 RtlFreeHeap(GetProcessHeap(), 0, commio);
1101 static NTSTATUS xmit_immediate(HANDLE hDevice, int fd, const char* ptr)
1103 /* FIXME: not perfect as it should bypass the in-queue */
1104 WARN("(%p,'%c') not perfect!\n", hDevice, *ptr);
1105 if (write(fd, ptr, 1) != 1)
1106 return FILE_GetNtStatus();
1107 return STATUS_SUCCESS;
1110 /******************************************************************
1111 * COMM_DeviceIoControl
1115 static inline NTSTATUS io_control(HANDLE hDevice,
1116 HANDLE hEvent, PIO_APC_ROUTINE UserApcRoutine,
1117 PVOID UserApcContext,
1118 PIO_STATUS_BLOCK piosb,
1119 ULONG dwIoControlCode,
1120 LPVOID lpInBuffer, DWORD nInBufferSize,
1121 LPVOID lpOutBuffer, DWORD nOutBufferSize)
1123 DWORD sz = 0, access = FILE_READ_DATA;
1124 NTSTATUS status = STATUS_SUCCESS;
1125 int fd = -1, needs_close = 0;
1127 TRACE("%p %s %p %d %p %d %p\n",
1128 hDevice, iocode2str(dwIoControlCode), lpInBuffer, nInBufferSize,
1129 lpOutBuffer, nOutBufferSize, piosb);
1131 piosb->Information = 0;
1133 if (dwIoControlCode != IOCTL_SERIAL_GET_TIMEOUTS)
1134 if ((status = server_get_unix_fd( hDevice, access, &fd, &needs_close, NULL, NULL )))
1137 switch (dwIoControlCode)
1139 case IOCTL_SERIAL_CLR_DTR:
1141 if (whack_modem(fd, ~TIOCM_DTR, 0) == -1) status = FILE_GetNtStatus();
1143 status = STATUS_NOT_SUPPORTED;
1146 case IOCTL_SERIAL_CLR_RTS:
1148 if (whack_modem(fd, ~TIOCM_RTS, 0) == -1) status = FILE_GetNtStatus();
1150 status = STATUS_NOT_SUPPORTED;
1153 case IOCTL_SERIAL_GET_BAUD_RATE:
1154 if (lpOutBuffer && nOutBufferSize == sizeof(SERIAL_BAUD_RATE))
1156 if (!(status = get_baud_rate(fd, (SERIAL_BAUD_RATE*)lpOutBuffer)))
1157 sz = sizeof(SERIAL_BAUD_RATE);
1160 status = STATUS_INVALID_PARAMETER;
1162 case IOCTL_SERIAL_GET_CHARS:
1163 if (lpOutBuffer && nOutBufferSize == sizeof(SERIAL_CHARS))
1165 if (!(status = get_special_chars(fd, (SERIAL_CHARS*)lpOutBuffer)))
1166 sz = sizeof(SERIAL_CHARS);
1169 status = STATUS_INVALID_PARAMETER;
1171 case IOCTL_SERIAL_GET_COMMSTATUS:
1172 if (lpOutBuffer && nOutBufferSize == sizeof(SERIAL_STATUS))
1174 if (!(status = get_status(fd, (SERIAL_STATUS*)lpOutBuffer)))
1175 sz = sizeof(SERIAL_STATUS);
1177 else status = STATUS_INVALID_PARAMETER;
1179 case IOCTL_SERIAL_GET_HANDFLOW:
1180 if (lpOutBuffer && nOutBufferSize == sizeof(SERIAL_HANDFLOW))
1182 if (!(status = get_hand_flow(fd, (SERIAL_HANDFLOW*)lpOutBuffer)))
1183 sz = sizeof(SERIAL_HANDFLOW);
1186 status = STATUS_INVALID_PARAMETER;
1188 case IOCTL_SERIAL_GET_LINE_CONTROL:
1189 if (lpOutBuffer && nOutBufferSize == sizeof(SERIAL_LINE_CONTROL))
1191 if (!(status = get_line_control(fd, (SERIAL_LINE_CONTROL*)lpOutBuffer)))
1192 sz = sizeof(SERIAL_LINE_CONTROL);
1195 status = STATUS_INVALID_PARAMETER;
1197 case IOCTL_SERIAL_GET_MODEMSTATUS:
1198 if (lpOutBuffer && nOutBufferSize == sizeof(DWORD))
1200 if (!(status = get_modem_status(fd, (DWORD*)lpOutBuffer)))
1203 else status = STATUS_INVALID_PARAMETER;
1205 case IOCTL_SERIAL_GET_TIMEOUTS:
1206 if (lpOutBuffer && nOutBufferSize == sizeof(SERIAL_TIMEOUTS))
1208 if (!(status = get_timeouts(hDevice, (SERIAL_TIMEOUTS*)lpOutBuffer)))
1209 sz = sizeof(SERIAL_TIMEOUTS);
1212 status = STATUS_INVALID_PARAMETER;
1214 case IOCTL_SERIAL_GET_WAIT_MASK:
1215 if (lpOutBuffer && nOutBufferSize == sizeof(DWORD))
1217 if (!(status = get_wait_mask(hDevice, (DWORD*)lpOutBuffer)))
1221 status = STATUS_INVALID_PARAMETER;
1223 case IOCTL_SERIAL_IMMEDIATE_CHAR:
1224 if (lpInBuffer && nInBufferSize == sizeof(CHAR))
1225 status = xmit_immediate(hDevice, fd, lpInBuffer);
1227 status = STATUS_INVALID_PARAMETER;
1229 case IOCTL_SERIAL_PURGE:
1230 if (lpInBuffer && nInBufferSize == sizeof(DWORD))
1231 status = purge(fd, *(DWORD*)lpInBuffer);
1233 status = STATUS_INVALID_PARAMETER;
1235 case IOCTL_SERIAL_RESET_DEVICE:
1236 FIXME("Unsupported\n");
1238 case IOCTL_SERIAL_SET_BAUD_RATE:
1239 if (lpInBuffer && nInBufferSize == sizeof(SERIAL_BAUD_RATE))
1240 status = set_baud_rate(fd, (const SERIAL_BAUD_RATE*)lpInBuffer);
1242 status = STATUS_INVALID_PARAMETER;
1244 case IOCTL_SERIAL_SET_BREAK_OFF:
1245 #if defined(TIOCSBRK) && defined(TIOCCBRK) /* check if available for compilation */
1246 if (ioctl(fd, TIOCCBRK, 0) == -1)
1248 TRACE("ioctl failed\n");
1249 status = FILE_GetNtStatus();
1252 FIXME("ioctl not available\n");
1253 status = STATUS_NOT_SUPPORTED;
1256 case IOCTL_SERIAL_SET_BREAK_ON:
1257 #if defined(TIOCSBRK) && defined(TIOCCBRK) /* check if available for compilation */
1258 if (ioctl(fd, TIOCSBRK, 0) == -1)
1260 TRACE("ioctl failed\n");
1261 status = FILE_GetNtStatus();
1264 FIXME("ioctl not available\n");
1265 status = STATUS_NOT_SUPPORTED;
1268 case IOCTL_SERIAL_SET_CHARS:
1269 if (lpInBuffer && nInBufferSize == sizeof(SERIAL_CHARS))
1270 status = set_special_chars(fd, (const SERIAL_CHARS*)lpInBuffer);
1272 status = STATUS_INVALID_PARAMETER;
1274 case IOCTL_SERIAL_SET_DTR:
1276 if (whack_modem(fd, 0, TIOCM_DTR) == -1) status = FILE_GetNtStatus();
1278 status = STATUS_NOT_SUPPORTED;
1281 case IOCTL_SERIAL_SET_HANDFLOW:
1282 if (lpInBuffer && nInBufferSize == sizeof(SERIAL_HANDFLOW))
1283 status = set_handflow(fd, (const SERIAL_HANDFLOW*)lpInBuffer);
1285 status = STATUS_INVALID_PARAMETER;
1287 case IOCTL_SERIAL_SET_LINE_CONTROL:
1288 if (lpInBuffer && nInBufferSize == sizeof(SERIAL_LINE_CONTROL))
1289 status = set_line_control(fd, (const SERIAL_LINE_CONTROL*)lpInBuffer);
1291 status = STATUS_INVALID_PARAMETER;
1293 case IOCTL_SERIAL_SET_QUEUE_SIZE:
1294 if (lpInBuffer && nInBufferSize == sizeof(SERIAL_QUEUE_SIZE))
1295 status = set_queue_size(fd, (const SERIAL_QUEUE_SIZE*)lpInBuffer);
1297 status = STATUS_INVALID_PARAMETER;
1299 case IOCTL_SERIAL_SET_RTS:
1301 if (whack_modem(fd, 0, TIOCM_RTS) == -1) status = FILE_GetNtStatus();
1303 status = STATUS_NOT_SUPPORTED;
1306 case IOCTL_SERIAL_SET_TIMEOUTS:
1307 if (lpInBuffer && nInBufferSize == sizeof(SERIAL_TIMEOUTS))
1308 status = set_timeouts(hDevice, fd, (const SERIAL_TIMEOUTS*)lpInBuffer);
1310 status = STATUS_INVALID_PARAMETER;
1312 case IOCTL_SERIAL_SET_WAIT_MASK:
1313 if (lpInBuffer && nInBufferSize == sizeof(DWORD))
1315 status = set_wait_mask(hDevice, *(DWORD*)lpInBuffer);
1317 else status = STATUS_INVALID_PARAMETER;
1319 case IOCTL_SERIAL_SET_XOFF:
1320 status = set_XOff(fd);
1322 case IOCTL_SERIAL_SET_XON:
1323 status = set_XOn(fd);
1325 case IOCTL_SERIAL_WAIT_ON_MASK:
1326 if (lpOutBuffer && nOutBufferSize == sizeof(DWORD))
1328 if (!(status = wait_on(hDevice, fd, hEvent, (DWORD*)lpOutBuffer)))
1332 status = STATUS_INVALID_PARAMETER;
1335 FIXME("Unsupported IOCTL %x (type=%x access=%x func=%x meth=%x)\n",
1336 dwIoControlCode, dwIoControlCode >> 16, (dwIoControlCode >> 14) & 3,
1337 (dwIoControlCode >> 2) & 0xFFF, dwIoControlCode & 3);
1339 status = STATUS_INVALID_PARAMETER;
1342 if (needs_close) close( fd );
1344 piosb->u.Status = status;
1345 piosb->Information = sz;
1346 if (hEvent && status != STATUS_PENDING) NtSetEvent(hEvent, NULL);
1350 NTSTATUS COMM_DeviceIoControl(HANDLE hDevice,
1351 HANDLE hEvent, PIO_APC_ROUTINE UserApcRoutine,
1352 PVOID UserApcContext,
1353 PIO_STATUS_BLOCK piosb,
1354 ULONG dwIoControlCode,
1355 LPVOID lpInBuffer, DWORD nInBufferSize,
1356 LPVOID lpOutBuffer, DWORD nOutBufferSize)
1360 if (dwIoControlCode == IOCTL_SERIAL_WAIT_ON_MASK)
1362 HANDLE hev = hEvent;
1364 /* this is an ioctl we implement in a non blocking way if hEvent is not
1366 * so we have to explicitely wait if no hEvent is provided
1370 OBJECT_ATTRIBUTES attr;
1372 attr.Length = sizeof(attr);
1373 attr.RootDirectory = 0;
1374 attr.ObjectName = NULL;
1375 attr.Attributes = OBJ_CASE_INSENSITIVE | OBJ_OPENIF;
1376 attr.SecurityDescriptor = NULL;
1377 attr.SecurityQualityOfService = NULL;
1378 status = NtCreateEvent(&hev, EVENT_ALL_ACCESS, &attr, FALSE, FALSE);
1380 if (status) goto done;
1382 status = io_control(hDevice, hev, UserApcRoutine, UserApcContext,
1383 piosb, dwIoControlCode, lpInBuffer, nInBufferSize,
1384 lpOutBuffer, nOutBufferSize);
1387 if (status == STATUS_PENDING)
1389 NtWaitForSingleObject(hev, FALSE, NULL);
1390 status = STATUS_SUCCESS;
1395 else status = io_control(hDevice, hEvent, UserApcRoutine, UserApcContext,
1396 piosb, dwIoControlCode, lpInBuffer, nInBufferSize,
1397 lpOutBuffer, nOutBufferSize);